2011-09-29 Sriraman Tallam <tmsriram@google.com>
[external/binutils.git] / gold / ChangeLog
1 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
2
3         * layout.h (section_order_map_): New member.
4         (get_section_order_map): New member function.
5         * output.cc (Output_section::add_input_section): Check for patterns
6         only when --section-ordering-file is specified.
7         * gold.cc (queue_middle_tasks): Delay updating order of sections till
8         output_sections have been formed.
9         * layout.cc (Layout_Layout): Initialize section_order_map_.
10         * plugin.cc (update_section_order): Store order in order_map. Do not
11         update the order.
12         * testsuite/Makefile.am: Add test case for plugin_final_layout.
13         * testsuite/Makefile.in: Regenerate.
14         * testsuite/plugin_section_order.c: New file.
15         * testsuite/plugin_final_layout.cc: New file.
16         * testsuite/plugin_final_layout.sh: New file.
17
18 2011-09-29  Cary Coutant  <ccoutant@google.com>
19
20         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
21         Check for NULL.
22         * gold/symtab.cc (Symbol_table::add_from_relobj): Ignore version
23         symbols during incremental update.
24         (Symbol_table::add_from_dynobj): Likewise.
25
26 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
27             Ian Lance Taylor  <iant@google.com>
28
29         * symtab.cc (Symbol_table::define_special_symbol): Always
30         canonicalize version string.
31
32 2011-09-26  Cary Coutant  <ccoutant@google.com>
33
34         * gold/gold.cc (queue_initial_tasks): Move option checks ...
35         * gold/options.cc (General_options::finalize): ... to here. Disable
36         some options; make others fatal.
37
38 2011-09-26  Cary Coutant  <ccoutant@google.com>
39
40         gcc PR lto/47247
41         * plugin.cc (get_symbols_v2): New function.
42         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
43         (is_referenced_from_outside): New function.
44         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
45         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
46         (get_symbols): Pass version parameter.
47         (get_symbols_v2): New function.
48         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
49         parameter.
50         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
51         (onload): Add LDPT_GET_SYMBOLS_V2.
52         (all_symbols_read_hook): Use get_symbols_v2; check for
53         LDPR_PREVAILING_DEF_IRONLY_EXP.
54         * testsuite/plugin_test_3.sh: Update expected results.
55
56 2011-09-23  Simon Baldwin  <simonb@google.com>
57
58         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
59         configuration options.
60         * configure: Regenerate.
61         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
62         * Makefile.in: Regenerate.
63         * testsuite/Makefile.in: Regenerate.
64
65 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
66
67         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
68
69 2011-09-19  Cary Coutant  <ccoutant@google.com>
70
71         * incremental.cc (can_incremental_update): Fix typo in comment.
72         * incremental.h (can_incremental_update): Likewise.
73
74 2011-09-18  Cary Coutant  <ccoutant@google.com>
75
76         * incremental.cc (can_incremental_update): New function.
77         * incremental.h (can_incremental_update): New function.
78         * layout.cc (Layout::init_fixed_output_section): Call it.
79         (Layout::make_output_section): Don't allow patch space in .eh_frame.
80         * object.cc (Sized_relobj_file::do_layout): Call
81         can_incremental_update.
82
83 2011-09-13  Cary Coutant  <ccoutant@google.com>
84
85         * configure.ac: Check for glibc support for gnu_indirect_function
86         support with static linking, setting automake conditional
87         IFUNC_STATIC.
88         * Makefile.in: Regenerate.
89         * configure: Regenerate.
90
91         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
92         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
93         for IFUNC_STATIC.
94         * testsuite/Makefile.in: Regenerate.
95
96 2011-09-13  Cary Coutant  <ccoutant@google.com>
97
98         * incremental.cc (Sized_relobj_incr::do_layout): Call
99         report_comdat_group for kept comdat sections.
100         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
101         * testsuite/Makefile.in: Regenerate.
102         * testsuite/incr_comdat_test_1.cc: New source file.
103         * testsuite/incr_comdat_test_2_v1.cc: New source file.
104         * testsuite/incr_comdat_test_2_v2.cc: New source file.
105         * testsuite/incr_comdat_test_2_v3.cc: New source file.
106
107 2011-09-13  Ian Lance Taylor  <iant@google.com>
108
109         * object.cc (Sized_relobj_file::do_layout): Remove unused local
110         variable external_symbols_offset.
111
112 2011-09-12  Ian Lance Taylor  <iant@google.com>
113
114         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
115         triggered if object has no symbols.
116
117 2011-09-09  David S. Miller  <davem@davemloft.net>
118
119         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
120         (Output_fill_debug_line::do_write): Likewise.
121
122 2011-08-29  Cary Coutant  <ccoutant@google.com>
123
124         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
125         casts to match formatting specs.
126         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
127
128 2011-08-26  Cary Coutant  <ccoutant@google.com>
129
130         * layout.cc (Free_list::allocate): Provide guarantee of minimum
131         remaining hole size when allocating.
132         (Layout::make_output_section): Set fill methods for debug sections.
133         * layout.h (Free_list::Free_list_node): Move from private to
134         public.
135         (Free_list::set_min_hole_size): New function.
136         (Free_list::begin, Free_list::end): New functions.
137         (Free_list::min_hole_): New data member.
138         * output.cc: Include dwarf.h.
139         (Output_fill_debug_info::do_minimum_hole_size): New function.
140         (Output_fill_debug_info::do_write): New function.
141         (Output_fill_debug_line::do_minimum_hole_size): New function.
142         (Output_fill_debug_line::do_write): New function.
143         (Output_section::Output_section): Initialize new data member.
144         (Output_section::set_final_data_size): Ensure patch space is larger
145         than minimum hole size.
146         (Output_section::do_write): Fill holes in debug sections.
147         * output.h (Output_fill): New class.
148         (Output_fill_debug_info): New class.
149         (Output_fill_debug_line): New class.
150         (Output_section::set_free_space_fill): New function.
151         (Output_section::free_space_fill_): New data member.
152         * testsuite/Makefile.am (incremental_test_3): Add
153         --incremental-patch option.
154         (incremental_test_4): Likewise.
155         (incremental_test_5): Likewise.
156         (incremental_test_6): Likewise.
157         (incremental_copy_test): Likewise.
158         (incremental_common_test_1): Likewise.
159         * testsuite/Makefile.in: Regenerate.
160
161 2011-08-26  Nick Clifton  <nickc@redhat.com>
162
163         * po/es.po: Updated Spanish translation.
164
165 2011-08-01  Cary Coutant  <ccoutant@google.com>
166
167         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
168         * gold/testsuite/Makefile.in: Regenerate.
169         * gold/testsuite/justsyms_exec.c: New source file.
170         * gold/testsuite/justsyms_lib.c: New source file.
171
172 2011-08-01  Cary Coutant  <ccoutant@google.com>
173
174         * layout.cc (Layout::set_segment_offsets): Don't realign text
175         segment if -Ttext was specified.
176         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
177         file type.
178         * object.h (Sized_relobj_file::e_type): New function.
179         (Sized_relobj_file::e_type_): New data member.
180         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
181         base address for ET_EXEC files.
182         * target.cc (Target::do_make_elf_object_implementation): Allow
183         ET_EXEC files with --just-symbols option.
184
185 2011-07-28  Cary Coutant  <ccoutant@google.com>
186
187         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
188         Add thread_number parameter.
189         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
190         * workqueue-threads.cc
191         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
192         current thread if its thread number is greater than desired thread
193         count.
194         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
195         Add thread_number parameter.
196         (Workqueue::should_cancel_thread): Likewise.
197         (Workqueue::find_runnable_or_wait): Pass thread_number to
198         should_cancel_thread.
199         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
200         parameter.
201
202 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
203
204         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
205         only after checking if it cannot be forced local.
206         * symtab.h (is_externally_visible): Check if the symbol is not forced
207         local.
208
209 2011-07-15  Ian Lance Taylor  <iant@google.com>
210
211         * options.h (class General_options): Add --print-output-format.
212         Move -EL next to -EB, for  better --help output.
213         * target-select.cc: Include <cstdio>, "options.h", and
214         "parameters.h".
215         (Target_selector::do_target_bfd_name): New function.
216         (print_output_format): New function.
217         * target-select.h (class Target_selector): Update declarations.
218         (Target_selector::target_bfd_name): New function.
219         (print_output_format): Declare.
220         * main.cc: Include "target-select.h".
221         (main): Handle --print-output-format.
222         * gold.cc: Include "target-select.h".
223         (queue_initial_tasks): Handle --print-output-format when there are
224         no input files.
225         * parameters.cc (parameters_force_valid_target): Give a better
226         error message if -EB/-EL does not match target.
227         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
228         function.
229
230 2011-07-15  Ian Lance Taylor  <iant@google.com>
231
232         * i386.cc (class Output_data_plt_i386): Add layout_ field.
233         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
234         (Output_data_plt_i386::do_write): Write address of .dynamic
235         section to first entry in .got.plt section.
236         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
237         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
238         Initialize layout_.
239         (Output_data_plt_x86_64::do_write): Write address of .dynamic
240         section to first entry in .got.plt section.
241         * layout.h (Layout::dynamic_section): New function.
242
243 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
244
245         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
246         to claim_file call.
247         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
248         input_section_position_, and input_section_glob_.
249         (read_layout_from_file): Call function section_ordering_specified.
250         * layout.h (is_section_ordering_specified): New function.
251         (section_ordering_specified): New function.
252         (section_ordering_specified_): New boolean member.
253         * main.cc(main): Call load_plugins after layout object is defined.
254         * output.cc (Output_section::add_input_section): Use
255         function section_ordering_specified to check if section ordering is
256         needed.
257         * output.cc (Output_section::add_relaxed_input_section): Use
258         function section_ordering_specified to check if section ordering is
259         needed.
260         (Output_section::update_section_layout): New function.
261         (Output_section::sort_attached_input_sections): Check if input section
262         must be reordered.
263         * output.h (Output_section::update_section_layout): New function.
264         * plugin.cc (get_section_count): New function.
265         (get_section_type): New function.
266         (get_section_name): New function.
267         (get_section_contents): New function.
268         (update_section_order): New function.
269         (allow_section_ordering): New function. 
270         (Plugin::load): Add the new interfaces to the transfer vector.
271         (Plugin_manager::load_plugins): New parameter.
272         (Plugin_manager::all_symbols_read): New parameter.
273         (Plugin_manager::claim_file): New parameter. Save the elf object for
274         unclaimed objects.
275         (Plugin_manager::get_elf_object): New function.
276         (Plugin_manager::get_view): Change to directly use the bool to check
277         if get_view is called from claim_file_hook.
278         * plugin.h (input_objects): New function
279         (Plugin__manager::load_plugins): New parameter.
280         (Plugin_manager::claim_file): New parameter.
281         (Plugin_manager::get_elf_object): New function.
282         (Plugin_manager::in_claim_file_handler): New function.
283         (Plugin_manager::in_claim_file_handler_): New member.
284         (layout): New function.
285         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
286         handler with an extra parameter. Make the elf object before calling
287         claim_file handler.
288         * testsuite/plugin_test.c (get_section_count): New function pointer.
289         (get_section_type): New function pointer.
290         (get_section_name): New function pointer.
291         (get_section_contents): New function pointer.
292         (update_section_order): New function pointer.
293         (allow_section_ordering): New function pointer.
294         (onload): Check if the new interfaces exist.
295
296 2011-07-13  Ian Lance Taylor  <iant@google.com>
297
298         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
299         relro section.
300         * x86_64.cc (Target_x86_64::got_section): Likewise.
301         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
302         (relro_now_test_SOURCES): New variable.
303         (relro_now_test_DEPENDENCIES): New variable.
304         (relro_now_test_LDFLAGS): New variable.
305         (relro_now_test_LDADD): New variable.
306         (relro_now_test.so): New target.
307         * testsuite/Makefile.in: Rebuild.
308
309 2011-07-12  Ian Lance Taylor  <iant@google.com>
310
311         PR gold/12980
312         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
313         GLOB_DAT relocation rather than a RELATIVE relocation for a
314         protected symbol when creating a shared library.
315         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
316         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
317         * testsuite/protected_main_1.cc (main): Test that protected
318         function has same address.
319
320 2011-07-11  Ian Lance Taylor  <iant@google.com>
321
322         PR gold/12979
323         * options.h (class General_options): Add -Bgroup.
324         * options.cc (General_options::finalize): If -Bgroup is set,
325         default to --unresolved-symbols=report-all.
326         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
327         * target-reloc.h (issue_undefined_symbol_error): Handle
328         --unresolved-symbols=report-all.
329
330 2011-07-08  Ian Lance Taylor  <iant@google.com>
331
332         PR gold/11985
333         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
334         if linker script discards key sections.
335         (Layout::create_dynamic_symtab): Likewise.
336         (Layout::assign_local_dynsym_offsets): Likewise.
337         (Layout::sized_create_version_sections): Likewise.
338         (Layout::create_interp): Likewise.
339         (Layout::finish_dynamic_section): Likewise.
340         (Layout::set_dynamic_symbol_size): Likewise.
341
342 2011-07-08  Ian Lance Taylor  <iant@google.com>
343
344         PR gold/12386
345         * options.h (class General_options): Add --unresolved-symbols.
346         * target-reloc.h (issue_undefined_symbol_error): Check
347         --unresolved-symbols.  Add comments.
348
349 2011-07-08  Ian Lance Taylor  <iant@google.com>
350
351         * testsuite/odr_violation2.cc (Ordering::operator()): Make
352         expression more complex.
353
354 2011-07-08  Ian Lance Taylor  <iant@google.com>
355
356         PR gold/11317
357         * target-reloc.h (issue_undefined_symbol_error): New inline
358         function, broken out of relocate_section.
359         (relocate_section): Call issue_undefined_symbol_error.
360         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
361         there is no TLS segment if we are about to issue an undefined
362         symbol error.
363         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
364
365 2011-07-08  Ian Lance Taylor  <iant@google.com>
366
367         PR gold/12279
368         * resolve.cc (Symbol_table::should_override): Add fromtype
369         parameter.  Change all callers.  Give error when linking together
370         TLS and non-TLS symbol.
371         (Symbol_table::should_override_with_special): Add fromtype
372         parameter.  Change all callers.
373         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
374         there is no TLS segment if we have reported some errors.
375         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
376
377 2011-07-08  Ian Lance Taylor  <iant@google.com>
378
379         PR gold/12372
380         * target.h (Target::plt_address_for_global): New function.
381         (Target::plt_address_for_local): New function.
382         (Target::plt_section_for_global): Remove.
383         (Target::plt_section_for_local): Remove.
384         (Target::do_plt_address_for_global): New virtual function.
385         (Target::do_plt_address_for_local): New virtual function.
386         (Target::do_plt_section_for_global): Remove.
387         (Target::do_plt_section_for_local): Remove.
388         (Target::register_global_plt_entry): Add Symbol_table and Layout
389         parameters.
390         * output.cc (Output_data_got::Got_entry::write): Use
391         plt_address_for_global and plt_address_for_local.
392         * layout.cc (Layout::add_target_dynamic_tags): Use size and
393         address of output section.
394         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
395         got_irelative_, and irelative_count_ fields.  Update
396         declarations.
397         (Output_data_plt_i386::has_irelative_section): New function.
398         (Output_data_plt_i386::entry_count): Add irelative_count_.
399         (Output_data_plt_i386::set_final_data_size): Likewise.
400         (class Target_i386): Add got_irelative_ and rel_irelative_
401         fields.  Update declarations.
402         (Target_i386::Target_i386): Initialize new fields.
403         (Target_i386::do_plt_address_for_global): New function replacing
404         do_plt_section_for_global.
405         (Target_i386::do_plt_address_for_local): New function replacing
406         do_plt_section_for_local.
407         (Target_i386::got_section): Create got_irelative_.
408         (Target_i386::rel_irelative_section): New function.
409         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
410         fields.  Don't define __rel_iplt_{start,end}.
411         (Output_data_plt_i386::add_entry): Add symtab and layout
412         parameters.  Change all callers.  Use different PLT and GOT for
413         IFUNC symbols.
414         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
415         layout parameters.  Change all callers.  Use different PLT and
416         GOT.
417         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
418         (Output_data_plt_i386::rel_irelative): New function.
419         (Output_data_plt_i386::address_for_global): New function.
420         (Output_data_plt_i386::address_for_local): New function.
421         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
422         IRELATIVE GOT when changing IFUNC GOT entries.
423         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
424         reloc.
425         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
426         if we didn't create an IRELATIVE GOT.
427         (Target_i386::Relocate::relocate): Use plt_address_for_global and
428         plt_address_for_local.
429         (Target_i386::do_dynsym_value): Use plt_address_for_global.
430         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
431         got_irelative_, and irelative_count_ fields.  Update
432         declarations.
433         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
434         Initialize new fields.  Remove symtab parameter.  Change all
435         callers.
436         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
437         irelative_count_.
438         (Output_data_plt_x86_64::has_irelative_section): New function.
439         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
440         (class Target_x86_64): Add got_irelative_ and rel_irelative_
441         fields.  Update declarations.
442         (Target_x86_64::Target_x86_64): Initialize new fields.
443         (Target_x86_64::do_plt_address_for_global): New function replacing
444         do_plt_section_for_global.
445         (Target_x86_64::do_plt_address_for_local): New function replacing
446         do_plt_section_for_local.
447         (Target_x86_64::got_section): Create got_irelative_.
448         (Target_x86_64::rela_irelative_section): New function.
449         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
450         all callers.  Don't create __rel_iplt_{start,end}.
451         (Output_data_plt_x86_64::add_entry): Add symtab and layout
452         parameters.  Change all callers.  Use different PLT and GOT for
453         IFUNC symbols.
454         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
455         layout parameters.  Change all callers.  Use different PLT and
456         GOT.
457         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
458         parameters.  Change all callers.  Use different PLT and GOT for
459         IFUNC symbols.
460         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
461         (Output_data_plt_x86_64::rela_irelative): New function.
462         (Output_data_plt_x86_64::address_for_global): New function.
463         (Output_data_plt_x86_64::address_for_local): New function.
464         (Output_data_plt_x86_64::set_final_data_size): Likewise.
465         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
466         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
467         (Target_x86_64::register_global_plt_entry): Add symtab and layout
468         parameters.
469         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
470         reloc.
471         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
472         symbols if we didn't create an IRELATIVE GOT.
473         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
474         plt_address_for_local.
475         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
476         * testsuite/ifuncvar1.c: New test file.
477         * testsuite/ifuncvar2.c: New test file.
478         * testsuite/ifuncvar3.c: New test file.
479         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
480         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
481         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
482         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
483         * testsuite/Makefile.in: Rebuild.
484
485 2011-07-07  Cary Coutant  <ccoutant@google.com>
486
487         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
488         (two_file_test_1_ndebug.o): Likewise.
489         (two_file_test_1b_ndebug.o): Likewise.
490         (two_file_test_2_ndebug.o): Likewise.
491         (two_file_test_main_ndebug.o): Likewise.
492         (incremental_test_2): Link with no-debug versions.
493
494 2011-07-06  Cary Coutant  <ccoutant@google.com>
495
496         * gold/incremental.cc
497         (Output_section_incremental_inputs::write_info_blocks): Check for
498         hidden and internal symbols.
499
500 2011-07-06  Cary Coutant  <ccoutant@google.com>
501
502         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
503         Check disposition for startup file.
504         (Incremental_inputs::report_command_line): Ignore
505         --incremental-startup-unchanged option.
506         * options.cc (General_options::parse_incremental_startup_unchanged):
507         New function.
508         (General_options::General_options): Initialize new data member.
509         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
510         (General_options): Add --incremental-startup-unchanged option.
511         (General_options::incremental_startup_disposition): New function.
512         (General_options::incremental_startup_disposition_): New data member.
513
514 2011-07-06  Cary Coutant  <ccoutant@google.com>
515
516         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
517         input file index to Script_info ctor.
518         (Sized_incremental_binary::do_file_has_changed): Find the
519         command-line argument for files named in scripts.
520         * incremental.h (Script_info::Script_info): New ctor
521         with input file index.
522         (Script_info::input_file_index): New function.
523         (Script_info::input_file_index_): New data member.
524         (Incremental_binary::get_library): Add const.
525         (Incremental_binary::get_script_info): Add const.
526         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
527         * testsuite/Makefile.am (incremental_test_5): New test case.
528         (incremental_test_6): New test case.
529         * testsuite/Makefile.in: Regenerate.
530
531 2011-07-06  Cary Coutant  <ccoutant@google.com>
532
533         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
534         debug output when command lines differ.
535
536 2011-07-06  Cary Coutant  <ccoutant@google.com>
537
538         * incremental.cc (Incremental_inputs::report_command_line): Ignore
539         --incremental-patch option.
540         * layout.cc (Free_list::allocate): Extend allocation beyond original
541         end if enabled.
542         (Layout::make_output_section): Mark sections that should get
543         patch space.
544         * options.cc (parse_percent): New function.
545         * options.h (parse_percent): New function.
546         (DEFINE_percent): New macro.
547         (General_options): Add --incremental-patch option.
548         * output.cc (Output_section::Output_section): Initialize new data
549         members.
550         (Output_section::add_input_section): Print section name when out
551         of patch space.
552         (Output_section::add_output_section_data): Likewise.
553         (Output_section::set_final_data_size): Add patch space when
554         doing --incremental-full.
555         (Output_section::do_reset_address_and_file_offset): Remove patch
556         space.
557         (Output_segment::set_section_list_addresses): Print debug output
558         only if --incremental-update.
559         * output.h (Output_section::set_is_patch_space_allowed): New function.
560         (Output_section::is_patch_space_allowed_): New data member.
561         (Output_section::patch_space_): New data member.
562         * parameters.cc (Parameters::incremental_full): New function.
563         * parameters.h (Parameters::incremental_full): New function
564         * testsuite/Makefile.am (incremental_test_2): Add test for
565         --incremental-patch option.
566         * testsuite/Makefile.in: Regenerate.
567         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
568         (t18): Remove function body.
569
570 2011-07-05  Doug Kwan  <dougkwan@google.com>
571
572         PR gold/12771
573         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
574         Arm_Address type for relocation result.
575         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
576         overflow check.
577         (Arm_relocate_functions::abs32): Use unaligned access.
578         (Arm_relocate_functions::rel32): Ditto.
579         (Arm_relocate_functions::prel31): Ditto.
580         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
581         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
582         static data relocations.
583         * testsuite/Makefile.in: Regnerate.
584         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
585
586 2011-07-05  Ian Lance Taylor  <iant@google.com>
587
588         PR gold/12392
589         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
590         symbols if necessary.
591         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
592
593 2011-07-05  Ian Lance Taylor  <iant@google.com>
594
595         PR gold/12952
596         * resolve.cc (Symbol::override_base_with_special): Simply override
597         version with special symbol version, ignoring previous version.
598
599 2011-07-05  Ian Lance Taylor  <iant@google.com>
600
601         * object.cc (Sized_relobj_file::include_section_group): Add
602         information to comment about signature location.
603
604 2011-07-02  Ian Lance Taylor  <iant@google.com>
605
606         PR gold/12957
607         * options.h (class General_options): Add -f and -F.
608         * options.cc (General_options::finalize): Fatal error if -f/-F
609         are used without -shared.
610         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
611
612 2011-07-02  Ian Lance Taylor  <iant@google.com>
613
614         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
615
616 2011-07-01  Ian Lance Taylor  <iant@google.com>
617
618         PR gold/12525
619         PR gold/12952
620         * resolve.cc (Symbol::override_base_with_special): Don't override
621         the version if the overriding symbol has a different name.
622         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
623         all callers.  If we give an error about an undefined version,
624         define the base version if necessary.
625         * dynobj.h (class Versions): Update declaration.
626         * testsuite/weak_alias_test_5.cc: New file.
627         * testsuite/weak_alias_test.script: New file.
628         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
629         and versioned_alias have the right value, and call t2.
630         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
631         weak_alias_test_5.so.
632         (weak_alias_test_LDADD): Likewise.
633         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
634         * testsuite/Makefile.in: Rebuild.
635
636 2011-07-01  Ian Lance Taylor  <iant@google.com>
637
638         PR gold/12525
639         * options.h (class General_options): Support -z notext.
640         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
641         -Wl,-z,notext.
642         (two_file_shared_nonpic.so): Likewise.
643         (two_file_shared_mixed.so): Likewise.
644         (two_file_shared_mixed_1.so): Likewise.
645         (weak_undef_lib_nonpic.so): Likewise.
646         (alt/weak_undef_lib_nonpic.so): Likewise.
647         (tls_test_shared_nonpic.so): Likewise.
648         * testsuite/Makefile.in: Rebuild.
649
650 2011-07-01  Ian Lance Taylor  <iant@google.com>
651
652         PR gold/12525
653         * configure.ac: Test whether static linking works, setting
654         the automake conditional HAVE_STATIC.
655         * testsuite/Makefile.am: Disable tests using -static if
656         HAVE_STATIC is not true.
657         * configure, testsuite/Makefile.in: Rebuild.
658
659 2011-07-01  Ian Lance Taylor  <iant@google.com>
660
661         PR gold/12525
662         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
663         Assert if we see DW_EH_PE_indirect.
664         * target.h (Target::ehframe_datarel_base): New function.
665         (Target::do_ehframe_datarel_base): New target function.
666         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
667         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
668         function.
669
670 2011-07-01  Ian Lance Taylor  <iant@google.com>
671
672         PR gold/12571
673         * options.h (class General_options): Add
674         --ld-generated-unwind-info.
675         * ehframe.cc (Fde::write): Add address parameter.  Change all
676         callers.  If associated with PLT, fill in address and size.
677         (Cie::set_output_offset): Only add merge mapping if there is an
678         object.
679         (Cie::write): Add address parameter.  Change all callers.
680         (Eh_frame::add_ehframe_for_plt): New function.
681         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
682         input_offset_ fields into union u_, with new plt field.
683         (Fde::Fde): Adjust for new union field.
684         (Fde::Fde) [Output_data version]: New constructor.
685         (Fde::add_mapping): Only add merge mapping if there is an object.
686         (class Cie): Update declarations.
687         (class Eh_frame): Declare add_ehframe_for_plt.
688         * layout.cc (Layout::layout_eh_frame): Break out code into
689         make_eh_frame_section, and call it.
690         (Layout::make_eh_frame_section): New function.
691         (Layout::add_eh_frame_for_plt): New function.
692         * layout.h (class Layout): Update declarations.
693         * merge.cc (Merge_map::add_mapping): Add assertion.
694         * i386.cc: Include "dwarf.h".
695         (class Output_data_plt_i386): Make first_plt_entry,
696         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
697         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
698         and plt_eh_frame_fde.
699         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
700         boundary.  Call add_eh_frame_for_plt if appropriate.
701         * x86_64.cc: Include "dwarf.h".
702         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
703         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
704         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
705         and plt_eh_frame_fde.
706         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
707         appropriate.
708
709 2011-06-29  Ian Lance Taylor  <iant@google.com>
710
711         PR gold/12629
712         * object.cc (Sized_relobj_file::layout_section): Change shdr
713         parameter to be const.
714         (Sized_relobj_file::layout_eh_frame_section): New function, broken
715         out of do_layout.
716         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
717         appropriate.  Call layout_eh_frame_section.
718         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
719         sections.
720         * object.h (class Sized_relobj_file): Update declarations.
721
722 2011-06-29  Ian Lance Taylor  <iant@google.com>
723
724         PR gold/12652
725         * script.cc (Token::integer_value): Accept trailing M/m/K/k
726         modifier.
727         (Lex::gather_token): Accept trailing M/m/K/k for integers.
728
729 2011-06-29  Ian Lance Taylor  <iant@google.com>
730
731         PR gold/12675
732         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
733         SHT_X86_64_UNWIND.
734         * layout.cc (Layout::layout_eh_frame): Likewise.
735
736 2011-06-29  Ian Lance Taylor  <iant@google.com>
737
738         PR gold/12695
739         * layout.cc (Layout::symtab_section_shndx): New function.
740         * layout.h (class Layout): Declare symtab_section_shndx.
741         * output.cc (Output_section::write_header): Call it.
742
743 2011-06-29  Ian Lance Taylor  <iant@google.com>
744
745         PR gold/12818
746         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
747         symbols which are not used in a relocation.
748
749 2011-06-28  Ian Lance Taylor  <iant@google.com>
750
751         PR gold/12898
752         * layout.cc (Layout::segment_precedes): Don't crash if a linker
753         script create indistinguishable segments.
754         (Layout::set_segment_offsets): Use stable_sort when sorting
755         segments.  Pass this to Compare_segments constructor.
756         * layout.h (class Layout): Make segment_precedes non-static.
757         (class Compare_segments): Change from struct to class.  Add
758         layout_ field.  Add constructor.
759         * script-sections.cc
760         (Script_sections::attach_sections_using_phdrs_clause): Rename
761         local orphan to is_orphan.  Don't report failure to put empty
762         section in segment.  On attachment failure, report name of
763         section, and attach to first PT_LOAD segment.
764
765 2011-06-28  Ian Lance Taylor  <iant@google.com>
766
767         PR gold/12934
768         * target-select.cc (Target_selector::Target_selector): Add
769         emulation parameter.  Change all callers.
770         (select_target_by_bfd_name): Rename from select_target_by_name.
771         Change all callers.
772         (select_target_by_emulation): New function.
773         (supported_emulation_names): New function.
774         * target-select.h (class Target_selector): Add emulation_ field.
775         Update declarations.
776         (Target_selector::recognize_by_bfd_name): Rename from
777         recognize_by_name.  Change all callers.
778         (Target_selector::supported_bfd_names): Rename from
779         supported_names.  Change all callers.
780         (Target_selector::recognize_by_emulation): New function.
781         (Target_selector::supported_emulations): New function.
782         (Target_selector::emulation): New function.
783         (Target_selector::do_recognize_by_bfd_name): Rename from
784         do_recognize_by_name.  Change all callers.
785         (Target_selector::do_supported_bfd_names): Rename from
786         do_supported_names.  Change all callers.
787         (Target_selector::do_recognize_by_emulation): New function.
788         (Target_selector::do_supported_emulations): New function.
789         (select_target_by_bfd_name): Change name in declaration.
790         (select_target_by_emulation): Declare.
791         (supported_emulation_names): Declare.
792         * parameters.cc (parameters_force_valid_target): Try to find
793         target based on emulation from -m option.
794         * options.h (class General_options): Change doc string for -m.
795         * options.cc (help): Print emulations.
796         (General_options::parse_V): Likewise.
797         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
798         Add emulation parameter.  Change all callers.
799
800 2011-06-28  Ian Lance Taylor  <iant@google.com>
801
802         * target.h (class Target): Add osabi_ field.
803         (Target::osabi): New function.
804         (Target::set_osabi): New function.
805         (Target::Target): Initialize osabi_.
806         (Target::do_adjust_elf_header): Make pure virtual.
807         (Sized_target::do_adjust_elf_header): Declare.
808         * target.cc (Sized_target::do_adjust_elf_header): New function.
809         (class Sized_target): Instantiate all versions.
810         * freebsd.h (class Target_freebsd): Remove.
811         (Target_selector_freebsd::do_recognize): Call set_osabi on
812         Target.
813         (Target_selector_freebsd::do_recognize_by_name): Likewise.
814         (Target_selector_freebsd::set_osabi): Remove.
815         * i386.cc (class Target_i386): Inherit from Sized_target rather
816         than Target_freebsd.
817         * x86_64.cc (class Target_x86_64): Likewise.
818
819 2011-06-28  Ian Lance Taylor  <iant@google.com>
820
821         * target.h (Target::can_check_for_function_pointers): Rewrite.
822         Make non-virtual.
823         (Target::can_icf_inline_merge_sections): Likewise.
824         (Target::section_may_have_icf_unsafe_poineters): Likewise.
825         (Target::Target_info): Add can_icf_inline_merge_sections field.
826         (Target::do_can_check_for_function_pointers): New virtual
827         function.
828         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
829         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
830         from can_check_for_function_pointers, move in file.
831         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
832         section_may_have_icf_unsafe_poineters, move in file.
833         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
834         * i386.cc (Target_i386::do_can_check_for_function_pointers):
835         Rename from can_check_for_function_pointers, move in file.
836         (Target_i386::can_icf_inline_merge_sections): Remove.
837         (Target_i386::i386_info): Initialize
838         can_icf_inline_merge_sections.
839         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
840         Initialize can_icf_inline_merge_sections.
841         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
842         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
843         Rename from can_check_for_function_pointers, move in file.
844         (Target_x86_64::can_icf_inline_merge_sections): Remove.
845         (Target_x86_64::x86_64_info): Initialize
846         can_icf_inline_merge_sections.
847         * testsuite/testfile.cc (Target_test::test_target_info):
848         Likewise.
849         * icf.cc (get_section_contents): Correct formatting.
850
851 2011-06-27  Ian Lance Taylor  <iant@google.com>
852
853         * symtab.cc (Symbol::versioned_name): New function.
854         (Symbol_table::add_to_final_symtab): Use versioned_name when
855         appropriate.
856         (Symbol_table::sized_write_symbol): Likewise.
857         * symtab.h (class Symbol): Declare versioned_name.
858         * stringpool.h (class Stringpool_template): Add variant of add
859         which takes a std::basic_string.
860         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
861         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
862         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
863         (ver_test_12.o): New target.
864         * testsuite/Makefile.in: Rebuild.
865
866 2011-06-27  Doug Kwan  <dougkwan@google.com>
867
868         * arm.cc (Arm_relocate_functions::thm_jump8,
869         Arm_relocate_functions::thm_jump11): Use a wider signed
870         type to compute offset.
871         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
872         arm_thm_jump8.
873         * testsuite/Makefile.in: Regenerate.
874         * testsuite/arm_branch_in_range.sh: Check test results of
875         arm_thm_jump11 and arm_thm_jump8.
876         * testsuite/arm_thm_jump11.s: New test source file.
877         * testsuite/arm_thm_jump11.t: New linker script.
878         * testsuite/arm_thm_jump8.s: New test source file.
879         * testsuite/arm_thm_jump8.t: New linker script.
880
881 2011-06-24  Ian Lance Taylor  <iant@google.com>
882
883         * layout.cc: Include "object.h".
884         (ctors_sections_in_init_array): New static variable.
885         (Layout::is_ctors_in_init_array): New function.
886         (Layout::layout): Add entry to ctors_sections_in_init_array if
887         appropriate.
888         * layout.h (class Layout): Declare is_ctors_in_init_array.
889         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
890         is_ctors_reverse_view is set.
891         (Sized_relobj_file::write_sections): Add layout parameter.  Change
892         all callers.  Set is_ctors_reverse_view field of View_size.
893         (Sized_relobj_file::reverse_words): New function.
894         * object.h (Sized_relobj_file::View_size): Add
895         is_ctors_reverse_view field.
896         (class Sized_relobj_file): Update declarations.
897         * testsuite/initpri3.c: New test.
898         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
899         initpri3b.
900         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
901         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
902         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
903         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
904         * testsuite/Makefile.in: Rebuild.
905
906 2011-06-24  Cary Coutant  <ccoutant@google.com>
907
908         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
909         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
910         (debug_msg_cdebug.err): New targets.
911         * testsuite/Makefile.in: Regenerate.
912         * testsuite/debug_msg.sh: Check output of link with compressed debug.
913         Fix checks for link with shared library.
914
915 2011-06-24  Doug Kwan  <dougkwan@google.com>
916
917         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
918         skip empty text sections.
919         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
920
921 2011-06-22  Ian Lance Taylor  <iant@google.com>
922
923         PR gold/12910
924         * options.h (class General_options): Add --ctors-in-init-array.
925         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
926         friends as SHT_PROGBITS for merging sections.
927         (Layout::layout): Remove special handling of .init_array and
928         friends.  Don't sort if doing relocatable link.  Sort for .ctors
929         and .dtors if ctors_in_init_array.
930         (Layout::make_output_section): Force correct section types for
931         .init_array and friends.  Don't sort if doing relocatable link,
932         Don't sort .ctors and .dtors if ctors_in_init_array.
933         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
934         (Layout::output_section_name): Add relobj parameter.  Change all
935         callers.  Handle .ctors. and .dtors. in code rather than table.
936         Handle .ctors and .dtors if ctors_in_init_array.
937         (Layout::match_file_name): New function, moved from output.cc.
938         * layout.h (class Layout): Update declarations.
939         * output.cc: Include "layout.h".
940         (Input_section_sort_entry::get_priority): New function.
941         (Input_section_sort_entry::match_file_name): Just call
942         Layout::match_file_name.
943         (Output_section::Input_section_sort_init_fini_compare::operator()):
944         Handle .ctors and .dtors.  Sort by explicit priority rather than
945         by name.
946         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
947         * testsuite/initpri2.c: New test.
948         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
949         (check_PROGRAMS): Add initpri2.
950         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
951         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
952         * configure, testsuite/Makefile.in: Rebuild.
953
954 2011-06-19  Ian Lance Taylor  <iant@google.com>
955
956         PR gold/12880
957         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
958         .interp section to a PT_INTERP segment even if we have seen a
959         --dynamic-linker option.  Don't do it if we have seen a PHDRS
960         clause in a linker script.
961         (Layout::finalize): Don't create a .interp section if we've
962         already create a PT_INTERP segment.
963         (Layout::create_interp): Always call choose_output_section (revert
964         patch of 2011-06-17).  Don't create PT_INTERP segment.
965         * script-sections.cc
966         (Script_sections::create_note_and_tls_segments): Add a .interp
967         section to a PT_INTERP segment even if we have seen a
968         --dynamic-linker option.
969
970 2011-06-18  Ian Lance Taylor  <iant@google.com>
971
972         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
973         merely because a non-PT_LOAD segment has a dynamic reloc.
974
975 2011-06-18  Ian Lance Taylor  <iant@google.com>
976
977         * layout.cc (Layout::finish_dynamic_section): Don't create
978         DT_FLAGS entry if not needed.
979
980 2011-06-18  Ian Lance Taylor  <iant@google.com>
981
982         PR gold/12745
983         * layout.cc (Layout::layout_eh_frame): Correct handling of
984         writable .eh_frame section.
985
986 2011-06-17  Ian Lance Taylor  <iant@google.com>
987
988         PR gold/12893
989         * resolve.cc (Symbol_table::resolve): Don't give an error if a
990         symbol is redefined with the exact same object and value.
991
992 2011-06-17  Ian Lance Taylor  <iant@google.com>
993
994         PR gold/12880
995         * layout.h (class Layout): Add interp_segment_ field.
996         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
997         (Layout::attach_allocated_section_to_segment): If making shared
998         library, put .interp section in PT_INTERP segment.
999         (Layout::finalize): Also call create_interp if -dynamic-linker
1000         option was used.
1001         (Layout::create_interp): Assert that there is no PT_INTERP
1002         segment.  If not using a SECTIONS clause, use make_output_section.
1003         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1004         * script-sections.cc
1005         (Script_sections::create_note_and_tls_segments): If making shared
1006         library, put .interp section in PT_INTERP segment.
1007
1008 2011-06-17  Ian Lance Taylor  <iant@google.com>
1009
1010         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1011         when making a shared library.
1012
1013 2011-06-17  Ian Lance Taylor  <iant@google.com>
1014
1015         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1016         parameter.  Change all callers.  Don't issue warning about PC32
1017         against locally defined symbol.
1018
1019 2011-06-16  Ian Lance Taylor  <iant@google.com>
1020
1021         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1022         occurs in same object.
1023
1024 2011-06-14  Alan Modra  <amodra@gmail.com>
1025
1026         * po/POTFILES.in: Regenerate.
1027
1028 2011-06-09  Ian Lance Taylor  <iant@google.com>
1029
1030         * script-sections.cc
1031         (Orphan_output_section::set_section_addresses): For a relocatable
1032         link set address to 0.
1033
1034 2011-06-09  Cary Coutant  <ccoutant@google.com>
1035
1036         PR gold/12804
1037         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1038         used with --compress-debug-sections.
1039         * gold/object.cc (Sized_relobj_file::do_layout): Report
1040         uncompressed size of compressed input sections.
1041
1042 2011-06-08  Cary Coutant  <ccoutant@google.com>
1043
1044         PR gold/12804
1045         * testsuite/two_file_test_2_v1.cc: Change initialization of
1046         v2 to keep it in .data.
1047
1048 2011-06-07  Cary Coutant  <ccoutant@google.com>
1049
1050         * common.cc (Symbol_table::do_allocate_commons_list): Call
1051         gold_fallback.
1052         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1053         (Errors::fallback): New function.
1054         (gold_fallback): New function.
1055         * errors.h (Errors::fallback): New function.
1056         * gold.cc (gold_exit): Change status parameter to enum; adjust
1057         all callers.
1058         (queue_initial_tasks): Call gold_fallback.
1059         * gold.h: Include cstdlib.
1060         (Exit_status): New enum type.
1061         (gold_exit): Change status parameter to enum.
1062         (gold_fallback): New function.
1063         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1064         (Layout::create_symtab_sections): Likewise.
1065         (Layout::create_shdrs): Likewise.
1066         * main.cc (main): Adjust call to gold_exit.
1067         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1068         (Output_data_got::add_got_entry_pair): Likewise.
1069         (Output_section::add_input_section): Likewise.
1070         (Output_section::add_output_section_data): Likewise.
1071         (Output_segment::set_section_list_addresses): Likewise.
1072         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1073
1074 2011-06-07  Cary Coutant  <ccoutant@google.com>
1075
1076         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1077         for incremental links.
1078         * output.cc (Output_segment::set_section_list_addresses): Remove
1079         FIXME and test for TLS or BSS.
1080
1081 2011-06-07  Cary Coutant  <ccoutant@google.com>
1082
1083         * testsuite/Makefile.am: Add incremental_copy_test,
1084         incremental_common_test_1.
1085         * testsuite/Makefile.in: Regenerate.
1086         * testsuite/common_test_1_v1.c: New source file.
1087         * testsuite/common_test_1_v2.c: New source file.
1088         * testsuite/copy_test_v1.cc: New source file.
1089
1090 2011-06-07  Cary Coutant  <ccoutant@google.com>
1091
1092         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1093         update, allocate common from bss section's free list.
1094         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1095         linker-defined symbols.
1096         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1097         Skip GOT and PLT entries that are no longer referenced.
1098         (Output_section_incremental_inputs::write_info_blocks): Mark
1099         linker-defined symbols.
1100         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1101         * output.cc (Output_section::allocate): New function.
1102         * output.h (Output_section::allocate): New function.
1103         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1104         linker-defined symbols.
1105         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1106         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1107         (Symbol::init_base_output_data): Likewise.
1108         (Symbol::init_base_output_segment): Likewise.
1109         (Symbol::init_base_constant): Likewise.
1110         (Sized_symbol::init_output_data): Likewise.
1111         (Sized_symbol::init_output_segment): Likewise.
1112         (Sized_symbol::init_constant): Likewise.
1113         (Symbol_table::do_define_in_output_data): Likewise.
1114         (Symbol_table::do_define_in_output_segment): Likewise.
1115         (Symbol_table::do_define_as_constant): Likewise.
1116         * symtab.h (Symbol::is_predefined): New function.
1117         (Symbol::init_base_output_data): Add is_predefined parameter.
1118         (Symbol::init_base_output_segment): Likewise.
1119         (Symbol::init_base_constant): Likewise.
1120         (Symbol::is_predefined_): New data member.
1121         (Sized_symbol::init_output_data): Add is_predefined parameter.
1122         (Sized_symbol::init_output_segment): Likewise.
1123         (Sized_symbol::init_constant): Likewise.
1124         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1125
1126 2011-06-07  Cary Coutant  <ccoutant@google.com>
1127
1128         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1129         instead of emit_copy_reloc.
1130         (Copy_relocs::emit_copy_reloc): Refactor.
1131         (Copy_relocs::make_copy_reloc): New function.
1132         (Copy_relocs::add_copy_reloc): Remove.
1133         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1134         section.
1135         (Copy_relocs::make_copy_reloc): New function.
1136         (Copy_relocs::add_copy_reloc): Remove.
1137         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1138         unchanged input files.
1139         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1140         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1141         Reserve BSS space for COPY relocations.
1142         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1143         (Output_section_incremental_inputs::write_info_blocks): Record
1144         whether a symbol is copied from a shared object.
1145         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1146         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1147         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1148         (Incremental_input_entry_reader::get_output_symbol_index): Add
1149         is_copy parameter.
1150         (Incremental_binary::emit_copy_relocs): New function.
1151         (Incremental_binary::do_emit_copy_relocs): New function.
1152         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1153         new data member.
1154         (Sized_incremental_binary::add_copy_reloc): New function.
1155         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1156         (Sized_incremental_binary::Copy_reloc): New struct.
1157         (Sized_incremental_binary::Copy_relocs): New typedef.
1158         (Sized_incremental_binary::copy_relocs_): New data member.
1159         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1160         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1161         * target.h (Sized_target::emit_copy_reloc): New function.
1162         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1163
1164 2011-06-02  Cary Coutant  <ccoutant@google.com>
1165
1166         PR gold/12163
1167         * gold/archive.cc (Archive::Archive): Initialize new data member.
1168         (Archive::include_all_members): Return if archive has already been
1169         included.
1170         * gold/archive.h (Archive::include_all_members_): New data member.
1171
1172 2011-06-02  Nick Clifton  <nickc@redhat.com>
1173
1174         * dynobj.h: Fix spelling mistake in comment.
1175         * output.cc: Likewise.
1176
1177 2011-05-31  Doug Kwan  <dougkwan@google.com>
1178             Asier Llano
1179
1180         PR gold/12826
1181         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1182         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1183         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1184         redundant arm_exidx_test.so.
1185         * testsuite/Makefile.in: Regenerate.
1186         (check_SCRIPTS): Add pr12826.sh
1187         (check_DATA): Add pr12826.stdout
1188         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1189         * testsuite/pr12826.sh: New file.
1190         * testsuite/pr12826_1.s: Ditto.
1191         * testsuite/pr12826_1.s: Ditto.
1192
1193 2011-05-30  Ian Lance Taylor  <iant@google.com>
1194
1195         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1196         sections.
1197
1198 2011-05-29  Ian Lance Taylor  <iant@google.com>
1199
1200         PR gold/12804
1201         * testsuite/Makefile.am: Use different file name for two_file_test
1202         temporary file for each incremental test.
1203         * testsuite/Makefile.in: Rebuild.
1204
1205 2011-05-29  Ian Lance Taylor  <iant@google.com>
1206
1207         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1208         binary input file is empty.
1209
1210 2011-05-27  Ian Lance Taylor  <iant@google.com>
1211
1212         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1213         (ver_test_9.so): Likewise.
1214         * testsuite/Makefile.in: Rebuild.
1215
1216 2011-05-26 Cary Coutant  <ccoutant@google.com>
1217
1218         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1219         * incremental.cc (Incremental_inputs::report_input_section): Fix
1220         comment, indentation.
1221         (Incremental_inputs::report_comdat_group): New function.
1222         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1223         of data for incremental input file entry.
1224         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1225         group count, COMDAT group signatures.
1226         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1227         an unchanged input file.
1228         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1229         Initialize new data member.
1230         (Incremental_object_entry::add_comdat_group): New function.
1231         (Incremental_object_entry::get_comdat_group_count): New function.
1232         (Incremental_object_entry::get_comdat_signature_key): New function.
1233         (Incremental_object_entry::groups_): New data member.
1234         (Incremental_inputs::report_comdat_group): New function.
1235         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1236         data for incremental input file entry.
1237         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1238         (Incremental_input_entry_reader::get_input_section): Adjust size of
1239         data for incremental input file entry.
1240         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1241         (Incremental_input_entry_reader::get_comdat_group_signature): New
1242         function.
1243         * object.cc (Sized_relobj::include_section_group): Report kept
1244         COMDAT groups for incremental links.
1245
1246 2011-05-24  David Meyer  <pdox@google.com>
1247
1248         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1249         with name parameter.  Add found_name parameter.
1250         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1251         * dirsearch.h (class Dirsearch): Update declaration.
1252
1253 2011-05-24  Ian Lance Taylor  <iant@google.com>
1254
1255         * archive.cc (Library_base::should_include_member): Pull in object
1256         from archive if it defines the entry symbol.
1257         * parameters.cc (Parameters::entry): New function.
1258         * parameters.h (class Parameters): Declare entry.
1259         * output.h (class Output_file_header): Remove entry_ field.
1260         * output.cc (Output_file_header::Output_file_header): Remove entry
1261         parameter.  Change all callers.
1262         (Output_file_header::entry): Use parameters->entry.
1263         * gold.cc (queue_middle_tasks): Likewise.
1264         * plugin.cc (Plugin_hook::run): Likewise.
1265
1266 2011-05-24 Cary Coutant  <ccoutant@google.com>
1267
1268         * gold.cc (queue_initial_tasks): Pass incremental base filename
1269         to Output_file::open_base_file; don't print error message.
1270         * incremental-dump.cc (main): Adjust call to
1271         Output_file::open_for_modification.
1272         * incremental-dump.cc (main): Likewise.
1273         * incremental.cc (Incremental_inputs::report_command_line):
1274         Ignore --incremental-base option when comparing command lines.
1275         Ignore parameter when given as separate argument.
1276         * options.h (class General_options): Add --incremental-base.
1277         * output.cc (Output_file::Output_file):
1278         (Output_file::open_base_file): Add base_name and writable parameters;
1279         read base file into new file; print error message here.
1280         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1281         callers.
1282         * output.h (Output_file::open_for_modification): Rename to...
1283         (Output_file::open_base_file): ...this; add base_name and
1284         writable parameters; adjust all callers.
1285         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1286         callers.
1287         * testsuite/Makefile.am (incremental_test_4): Test
1288         --incremental-base.
1289         * testsuite/Makefile.in: Regenerate.
1290
1291 2011-05-24 Cary Coutant  <ccoutant@google.com>
1292
1293         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1294         incremental_test_4.
1295         * testsuite/Makefile.in: Regenerate.
1296         * testsuite/two_file_test_1_v1.cc: New test source file.
1297         * testsuite/two_file_test_1b_v1.cc: New test source file.
1298         * testsuite/two_file_test_2_v1.cc: New test source file.
1299
1300 2011-05-24 Cary Coutant  <ccoutant@google.com>
1301
1302         * dynobj.h (Dynobj::do_dynobj): New function.
1303         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1304         flag and soname for shared objects.
1305         * incremental.cc (Incremental_inputs::report_object): Make
1306         either Incremental_object_entry or Incremental_dynobj_entry; add
1307         soname to string table.
1308         (Incremental_inputs::report_input_section): Add assertion.
1309         (Output_section_incremental_inputs::set_final_data_size): Adjust
1310         type of input file entry for shared libraries; adjust size of
1311         shared library info entry.
1312         (Output_section_incremental_inputs::write_input_files): Write
1313         as_needed flag for shared libraries.
1314         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1315         of input file entry for shared libraries; write soname.
1316         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1317         soname from incremental info.
1318         * incremental.h (enum Incremental_input_flags): Add
1319         INCREMENTAL_INPUT_AS_NEEDED.
1320         (Incremental_input_entry::Incremental_input_entry): Initialize new
1321         data member.
1322         (Incremental_input_entry::set_as_needed): New function.
1323         (Incremental_input_entry::as_needed): New function.
1324         (Incremental_input_entry::do_dynobj_entry): New function.
1325         (Incremental_input_entry::as_needed_): New data member.
1326         (Incremental_object_entry::Incremental_object_entry): Don't check
1327         for shared library.
1328         (Incremental_object_entry::do_type): Likewise.
1329         (class Incremental_dynobj_entry): New class.
1330         (Incremental_input_entry_reader::as_needed): New function.
1331         (Incremental_input_entry_reader::get_soname): New function.
1332         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1333         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1334         size of shared library info entry.
1335         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1336         incremental link when adding DT_NEEDED entries.
1337         * object.h (Object::Object): Initialize new data member.
1338         (Object::dynobj): New function.
1339         (Object::set_as_needed): New function.
1340         (Object::as_needed): New function.
1341         (Object::do_dynobj): New function.
1342         (Object::as_needed_): New data member.
1343
1344 2011-05-24 Cary Coutant  <ccoutant@google.com>
1345
1346         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1347         info; adjust display of GOT entries.
1348         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1349         vector of input objects; remove file_status_.
1350         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1351         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1352         got_plt reader; call target hooks to reserve GOT entries.
1353         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1354         of input file info header and GOT info entry.
1355         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1356         relocation info.
1357         (Got_plt_view_info::got_descriptor): Remove.
1358         (Got_plt_view_info::sym_index): New data member.
1359         (Got_plt_view_info::input_index): New data member.
1360         (Local_got_offset_visitor::visit): Write input file index.
1361         (Global_got_offset_visitor::visit): Write 0 for input file index.
1362         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1363         with sym_index and input_index.
1364         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1365         incremental info GOT entry; replace got_descriptor with input_index.
1366         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1367         map from input file index to object.
1368         (Sized_relobj_incr::do_layout): Replace direct data member reference
1369         with accessor function.
1370         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1371         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1372         Adjust size of input file info header.
1373         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1374         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1375         (Incremental_input_entry_reader::get_input_section): Adjust size of
1376         input file info header.
1377         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1378         of incremental info GOT entry.
1379         (Incremental_got_plt_reader::get_got_desc): Remove.
1380         (Incremental_got_plt_reader::get_got_symndx): New function.
1381         (Incremental_got_plt_reader::get_got_input_index): New function.
1382         (Sized_incremental_binary::Sized_incremental_binary): Remove
1383         file_status_; add input_objects_.
1384         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1385         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1386         (Sized_incremental_binary::file_is_unchanged): Remove.
1387         (Sized_incremental_binary::set_input_object): New function.
1388         (Sized_incremental_binary::input_object): New function.
1389         (Sized_incremental_binary::file_status_): Remove.
1390         (Sized_incremental_binary::input_objects_): New data member.
1391         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1392         references.
1393         (Sized_relobj_incr::invalid_address): Move to base class.
1394         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1395         class.
1396         (Sized_relobj_incr::do_output_section_offset): Likewise.
1397         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1398         (Sized_relobj_incr::section_offsets_): Likewise.
1399         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1400         function.
1401         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1402         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1403         with accessor function.
1404         (Sized_relobj_file::do_layout): Likewise.
1405         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1406         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1407         (Sized_relobj_file::compute_final_local_value): Replace refs to
1408         section_offsets_ with accessor function.
1409         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1410         * object.h (Relobj::Relobj): Initialize new data members.
1411         (Relobj::add_dyn_reloc): New function.
1412         (Relobj::first_dyn_reloc): New function.
1413         (Relobj::dyn_reloc_count): New function.
1414         (Relobj::first_dyn_reloc_): New data member.
1415         (Relobj::dyn_reloc_count_): New data member.
1416         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1417         references.
1418         (Sized_relobj::Address): New typedef.
1419         (Sized_relobj::invalid_address): Move here from child class.
1420         (Sized_relobj::Sized_relobj): Initialize new data members.
1421         (Sized_relobj::sized_relobj): New function.
1422         (Sized_relobj::is_output_section_offset_invalid): Move here from
1423         child class.
1424         (Sized_relobj::get_output_section_offset): Likewise.
1425         (Sized_relobj::local_has_got_offset): Likewise.
1426         (Sized_relobj::local_got_offset): Likewise.
1427         (Sized_relobj::set_local_got_offset): Likewise.
1428         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1429         (Sized_relobj::clear_got_offsets): New function.
1430         (Sized_relobj::section_offsets): Move here from child class.
1431         (Sized_relobj::do_output_section_offset): Likewise.
1432         (Sized_relobj::do_set_section_offset): Likewise.
1433         (Sized_relobj::Local_got_offsets): Likewise.
1434         (Sized_relobj::local_got_offsets_): Likewise.
1435         (Sized_relobj::section_offsets_): Likewise.
1436         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1437         references.
1438         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1439         class.
1440         (Sized_relobj_file::sized_relobj): New function
1441         (Sized_relobj_file::local_has_got_offset): Move to base class.
1442         (Sized_relobj_file::local_got_offset): Likewise.
1443         (Sized_relobj_file::set_local_got_offset): Likewise.
1444         (Sized_relobj_file::get_output_section_offset): Likewise.
1445         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1446         (Sized_relobj_file::do_output_section_offset): Likewise.
1447         (Sized_relobj_file::do_set_section_offset): Likewise.
1448         (Sized_relobj_file::Local_got_offsets): Likewise.
1449         (Sized_relobj_file::local_got_offsets_): Likewise.
1450         (Sized_relobj_file::section_offsets_): Likewise.
1451         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1452         (all constructors).
1453         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1454         (Output_reloc::get_symbol_index): Likewise.
1455         (Output_reloc::local_section_offset): Likewise.
1456         (Output_reloc::get_address): Likewise.
1457         (Output_reloc::symbol_value): Likewise.
1458         (Output_data_got::reserve_slot): Move to class definition.
1459         (Output_data_got::reserve_local): New function.
1460         (Output_data_got::reserve_slot_for_global): Remove.
1461         (Output_data_got::reserve_global): New function.
1462         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1463         (all constructors, two instantiations).
1464         (Output_reloc::get_relobj): New function (two instantiations).
1465         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1466         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1467         (Output_data_reloc::add_global): Adjust type of relobj.
1468         (Output_data_reloc::add_global_relative): Likewise.
1469         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1470         (Output_data_reloc::add_local): Likewise.
1471         (Output_data_reloc::add_local_relative): Likewise.
1472         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1473         (Output_data_reloc::add_local_section): Likewise.
1474         (Output_data_reloc::add_output_section): Likewise.
1475         (Output_data_reloc::add_absolute): Likewise.
1476         (Output_data_reloc::add_target_specific): Likewise.
1477         (Output_data_got::reserve_slot): Move definition here.
1478         (Output_data_got::reserve_local): New function.
1479         (Output_data_got::reserve_global): New function.
1480         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1481         section_offsets_ with accessor function.
1482         (Sized_relobj_file::write_sections): Likewise.
1483         (Sized_relobj_file::do_relocate_sections): Likewise.
1484         * target.h (Sized_target::reserve_local_got_entry): New function.
1485         (Sized_target::reserve_global_got_entry): New function.
1486         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1487         (Target_x86_64::reserve_global_got_entry): New function.
1488         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1489
1490 2011-05-23 Cary Coutant  <ccoutant@google.com>
1491
1492         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1493         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1494         bit when checking got_type.
1495         * incremental.cc (Sized_incremental_binary::setup_readers):
1496         Store symbol table and string table locations; initialize bit vector
1497         of file status flags.
1498         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1499         unchanged files.
1500         (Sized_incremental_binary::do_process_got_plt): New function.
1501         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1502         (Output_section_incremental_inputs::set_final_data_size): Record
1503         file index for each input file.
1504         (Output_section_incremental_inputs::write_got_plt): Store file index
1505         instead of input entry offset for each GOT entry.
1506         * incremental.h
1507         (Incremental_input_entry::Incremental_input_entry): Initialize new
1508         data member.
1509         (Incremental_input_entry::set_offset): Store file index.
1510         (Incremental_input_entry::get_file_index): New function.
1511         (Incremental_input_entry::file_index_): New data member.
1512         (Incremental_binary::process_got_plt): New function.
1513         (Incremental_binary::do_process_got_plt): New function.
1514         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1515         data members.
1516         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1517         (Sized_incremental_binary::set_file_is_unchanged): New function.
1518         (Sized_incremental_binary::file_is_unchanged): New function.
1519         (Sized_incremental_binary::do_process_got_plt): New function.
1520         (Sized_incremental_binary::file_status_): New data member.
1521         (Sized_incremental_binary::main_symtab_loc_): New data member.
1522         (Sized_incremental_binary::main_strtab_loc_): New data member.
1523         * output.cc (Output_data_got::Got_entry::write): Add case
1524         RESERVED_CODE.
1525         (Output_data_got::add_global): Call add_got_entry.
1526         (Output_data_got::add_global_plt): Likewise.
1527         (Output_data_got::add_global_with_rel): Likewise.
1528         (Output_data_got::add_global_with_rela): Likewise.
1529         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1530         (Output_data_got::add_global_pair_with_rela): Likewise.
1531         (Output_data_got::add_local): Call add_got_entry.
1532         (Output_data_got::add_local_plt): Likewise.
1533         (Output_data_got::add_local_with_rel): Likewise.
1534         (Output_data_got::add_local_with_rela): Likewise.
1535         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1536         (Output_data_got::add_local_pair_with_rela): Likewise.
1537         (Output_data_got::reserve_slot): New function.
1538         (Output_data_got::reserve_slot_for_global): New function.
1539         (Output_data_got::add_got_entry): New function.
1540         (Output_data_got::add_got_entry_pair): New function.
1541         (Output_section::add_output_section_data): Edit FIXME.
1542         * output.h
1543         (Output_section_data_build::Output_section_data_build): New
1544         constructor with size parameter.
1545         (Output_data_space::Output_data_space): Likewise.
1546         (Output_data_got::Output_data_got): Initialize new data member; new
1547         constructor with size parameter.
1548         (Output_data_got::add_constant): Call add_got_entry.
1549         (Output_data_got::reserve_slot): New function.
1550         (Output_data_got::reserve_slot_for_global): New function.
1551         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1552         (Output_data_got::add_got_entry): New function.
1553         (Output_data_got::add_got_entry_pair): New function.
1554         (Output_data_got::free_list_): New data member.
1555         * target.h (Sized_target::init_got_plt_for_update): New function.
1556         (Sized_target::register_global_plt_entry): New function.
1557         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1558         Initialize new data member; call init; add constructor with PLT count.
1559         (Output_data_plt_x86_64::init): New function.
1560         (Output_data_plt_x86_64::add_relocation): New function.
1561         (Output_data_plt_x86_64::reserve_slot): New function.
1562         (Output_data_plt_x86_64::free_list_): New data member.
1563         (Target_x86_64::init_got_plt_for_update): New function.
1564         (Target_x86_64::register_global_plt_entry): New function.
1565         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1566         incremental updates.
1567         (Output_data_plt_x86_64::add_relocation): New function.
1568         * testsuite/object_unittest.cc (Object_test): Set default options.
1569
1570 2011-05-16  Ian Lance Taylor  <iant@google.com>
1571
1572         * options.h (class General_options): Make -i a synonym for -r.
1573
1574 2011-05-16  Ian Lance Taylor  <iant@google.com>
1575
1576         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1577
1578 2011-05-10 Cary Coutant  <ccoutant@google.com>
1579
1580         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1581         strip_all (-s).
1582
1583 2011-05-06  Ian Lance Taylor  <iant@google.com>
1584
1585         * layout.cc (Layout::layout): If the output section flags change,
1586         update the ordering.
1587
1588 2011-04-25 Cary Coutant  <ccoutant@google.com>
1589
1590         * incremental-dump.cc (dump_incremental_inputs): Print local
1591         symbol info for each input file.
1592         * incremental.cc
1593         (Output_section_incremental_inputs::set_final_data_size): Add local
1594         symbol info to input file entries in incremental info.
1595         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1596         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1597         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1598         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1599         implementation.
1600         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1601         (Sized_incr_relobj::do_relocate): Write the local symbols.
1602         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1603         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1604         Adjust size of input file header.
1605         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1606         (Incremental_inputs_reader::get_local_symbol_count): New function.
1607         (Incremental_inputs_reader::get_input_section): Adjust size of input
1608         file header.
1609         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1610         (Sized_incr_relobj::This): New typedef.
1611         (Sized_incr_relobj::sym_size): New const data member.
1612         (Sized_incr_relobj::Local_symbol): New struct.
1613         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1614         (Sized_incr_relobj::do_local_symbol_offset): New function.
1615         (Sized_incr_relobj::local_symbol_count_): New data member.
1616         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1617         (Sized_incr_relobj::local_symbol_index_): New data member.
1618         (Sized_incr_relobj::local_symbol_offset_): New data member.
1619         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1620         (Sized_incr_relobj::local_symbols_): New data member.
1621         * object.h (Relobj::output_local_symbol_count): New function.
1622         (Relobj::local_symbol_offset): New function.
1623         (Relobj::do_output_local_symbol_count): New function.
1624         (Relobj::do_local_symbol_offset): New function.
1625         (Sized_relobj::do_output_local_symbol_count): New function.
1626         (Sized_relobj::do_local_symbol_offset): New function.
1627
1628 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1629
1630         * descriptors.cc (set_close_on_exec): New function.
1631         (Descriptors::open): Use set_close_on_exec.
1632         * output.cc (S_ISLNK): Define if not defined.
1633
1634 2011-04-22 Cary Coutant  <ccoutant@google.com>
1635
1636         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1637         global symbol map.
1638         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1639         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1640         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1641         relocations.
1642         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1643         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1644         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1645         * incremental.h
1646         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1647         function.
1648         (Incremental_binary::apply_incremental_relocs): New function.
1649         (Incremental_binary::do_apply_incremental_relocs): New function.
1650         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1651         data member.
1652         (Sized_incremental_binary::add_global_symbol): New function.
1653         (Sized_incremental_binary::global_symbol): New function.
1654         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1655         (Sized_incremental_binary::symbol_map_): New data member.
1656         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1657         * target.h (Sized_target::apply_relocation): New function.
1658         * target-reloc.h (apply_relocation): New function.
1659         * x86_64.cc (Target_x86_64::apply_relocation): New function.
1660
1661 2011-04-22  Doug Kwan  <dougkwan@google.com>
1662
1663         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1664         flag of a SHT_ARM_EXIDX section.
1665         * testsuite/Makefile.am (arm_exidx_test): New test rules.
1666         * testsuite/Makefile.in: Regenerate.
1667         * testsuite/arm_exidx_test.s: New file.
1668         * testsuite/arm_exidx_test.sh: Same.
1669
1670 2011-04-20 Cary Coutant  <ccoutant@google.com>
1671
1672         PR gold/12689
1673         * archive.h (Incremental_archive_entry::Archive_member):
1674         Initialize arg_serial_ (second constructor).
1675
1676 2011-04-17  Ian Lance Taylor  <iant@google.com>
1677
1678         * object.cc (Relocate_info::location): Simplify location string.
1679         * errors.cc (Errors::error_at_location): Don't print program
1680         name.
1681         (Errors::warning_at_location): Likewise.
1682         (Errors::undefined_symbol): Likewise.
1683         * testsuite/debug_msg.sh: Update accordingly.
1684
1685 2011-04-14 Cary Coutant  <ccoutant@google.com>
1686
1687         * gold/layout.cc (Layout::symtab_section_offset): New function.
1688         * gold/layout.h (Layout::symtab_section_offset): New function.
1689         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1690
1691 2011-04-12  Ian Lance Taylor  <iant@google.com>
1692
1693         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
1694         with MREMAP_MAYMOVE.
1695         * output.h (class Output_file): Add map_is_allocated_ field.
1696         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
1697         not available, provide stubs.  If mremap is not available, #define
1698         it to gold_mremap.
1699         (MREMAP_MAYMOVE): Define if not defined.
1700         (Output_file::Output_file): Initialize map_is_allocated_.
1701         (Output_file::resize): Check map_is_allocated_.
1702         (Output_file::map_anonymous): If mmap fails, use malloc.
1703         (Output_file::unmap): Don't do anything for an anonymous map.
1704         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
1705         is not available, provide stubs.
1706         (File_read::View::~View): Use free rather than delete[].
1707         (File_read::make_view): Use malloc rather than new[].  If mmap
1708         fails, use malloc.
1709         (File_read::find_or_make_view): Use malloc rather than new[].
1710         * gold.h: Remove HAVE_REMAP code.
1711         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
1712         exists.  Rename mremap to gold_mremap.  If mmap is not available
1713         don't do anything.
1714         * configure, config.in: Rebuild.
1715
1716 2011-04-11  Ian Lance Taylor  <iant@google.com>
1717
1718         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1719         initialize local variable v.
1720
1721 2011-04-11  Cary Coutant  <ccoutant@google.com>
1722
1723         * archive.cc (Archive::include_member): Adjust call to
1724         report_object.
1725         (Add_archive_symbols::run): Track argument serial numbers.
1726         (Lib_group::include_member): Likewise.
1727         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1728         * archive.h (Incremental_archive_entry::Archive_member):
1729         Initialize arg_serial_.
1730         (Archive_member::arg_serial_): New data member.
1731         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1732         (Sized_dynobj::do_add_symbols): Track symbols when doing an
1733         incremental link.
1734         (Sized_dynobj::do_for_all_local_got_entries): New function.
1735         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1736         function.
1737         * fileread.cc (get_mtime): New function.
1738         * fileread.h (get_mtime): New function.
1739         * gold.cc (queue_initial_tasks): Check for incremental update.
1740         (process_incremental_input): New function.
1741         (queue_middle_tasks): Don't force valid target for incremental
1742         update.
1743         * incremental-dump.cc (find_input_containing_global): Adjust
1744         size of symbol info entry.
1745         (dump_incremental_inputs): Dump argument serial number and
1746         in_system_directory flag; bias shndx by 1; print symbol names
1747         when dumping per-file symbol lists; use new symbol info readers.
1748         * incremental.cc
1749         (Output_section_incremental_inputs:update_data_size): New function.
1750         (Sized_incremental_binary::setup_readers): Setup input readers
1751         for each input file; build maps for files added from libraries
1752         and scripts.
1753         (Sized_incremental_binary::check_input_args): New function.
1754         (Sized_incremental_binary::do_check_inputs): Build map of argument
1755         serial numbers to input arguments.
1756         (Sized_incremental_binary::do_file_has_changed): Rename
1757         do_file_is_unchanged to this; compare file modification times.
1758         (Sized_incremental_binary::do_init_layout): New function.
1759         (Sized_incremental_binary::do_reserve_layout): New function.
1760         (Sized_incremental_binary::do_get_input_reader): Remove.
1761         (Sized_incremental_binary::get_symtab_view): New function.
1762         (Incremental_checker::can_incrementally_link_output_file): Remove.
1763         (Incremental_inputs::report_command_line): Exclude --debug options.
1764         (Incremental_inputs::report_archive_begin): Add parameter; track
1765         argument serial numbers; don't put input file entry for archive
1766         before archive members.
1767         (Incremental_inputs::report_archive_end): Put input file entry
1768         for archive after archive members.
1769         (Incremental_inputs::report_object): Add parameter; track argument
1770         serial numbers and in_system_directory flag.
1771         (Incremental_inputs::report_script): Add parameter; track argument
1772         serial numbers.
1773         (Output_section_incremental_inputs::set_final_data_size): Adjust
1774         size of symbol info entry; check for forwarding symbols.
1775         (Output_section_incremental_inputs::write_input_files): Write
1776         in_system_directory flag and argument serial number.
1777         (Output_section_incremental_inputs::write_info_blocks): Map section
1778         indices between incremental info and original input file; store
1779         input section index for each symbol.
1780         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1781         change operator() to visit().
1782         (class Global_got_offset_visitor): Likewise.
1783         (class Global_symbol_visitor_got_plt):
1784         (Output_section_incremental_inputs::write_got_plt): Use new visitor
1785         classes.
1786         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1787         (Sized_incr_relobj::do_read_symbols): New function.
1788         (Sized_incr_relobj::do_layout): New function.
1789         (Sized_incr_relobj::do_layout_deferred_sections): New function.
1790         (Sized_incr_relobj::do_add_symbols): New function.
1791         (Sized_incr_relobj::do_should_include_member): New function.
1792         (Sized_incr_relobj::do_for_all_global_symbols): New function.
1793         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1794         (Sized_incr_relobj::do_section_size): New function.
1795         (Sized_incr_relobj::do_section_name): New function.
1796         (Sized_incr_relobj::do_section_contents): New function.
1797         (Sized_incr_relobj::do_section_flags): New function.
1798         (Sized_incr_relobj::do_section_entsize): New function.
1799         (Sized_incr_relobj::do_section_address): New function.
1800         (Sized_incr_relobj::do_section_type): New function.
1801         (Sized_incr_relobj::do_section_link): New function.
1802         (Sized_incr_relobj::do_section_info): New function.
1803         (Sized_incr_relobj::do_section_addralign): New function.
1804         (Sized_incr_relobj::do_initialize_xindex): New function.
1805         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1806         (Sized_incr_relobj::do_read_relocs): New function.
1807         (Sized_incr_relobj::do_gc_process_relocs): New function.
1808         (Sized_incr_relobj::do_scan_relocs): New function.
1809         (Sized_incr_relobj::do_count_local_symbols): New function.
1810         (Sized_incr_relobj::do_finalize_local_symbols): New function.
1811         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1812         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1813         (Sized_incr_relobj::do_relocate): New function.
1814         (Sized_incr_relobj::do_set_section_offset): New function.
1815         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1816         (Sized_incr_dynobj::do_read_symbols): New function.
1817         (Sized_incr_dynobj::do_layout): New function.
1818         (Sized_incr_dynobj::do_add_symbols): New function.
1819         (Sized_incr_dynobj::do_should_include_member): New function.
1820         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1821         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1822         (Sized_incr_dynobj::do_section_size): New function.
1823         (Sized_incr_dynobj::do_section_name): New function.
1824         (Sized_incr_dynobj::do_section_contents): New function.
1825         (Sized_incr_dynobj::do_section_flags): New function.
1826         (Sized_incr_dynobj::do_section_entsize): New function.
1827         (Sized_incr_dynobj::do_section_address): New function.
1828         (Sized_incr_dynobj::do_section_type): New function.
1829         (Sized_incr_dynobj::do_section_link): New function.
1830         (Sized_incr_dynobj::do_section_info): New function.
1831         (Sized_incr_dynobj::do_section_addralign): New function.
1832         (Sized_incr_dynobj::do_initialize_xindex): New function.
1833         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1834         (make_sized_incremental_object): New function.
1835         (Incremental_library::copy_unused_symbols): New function.
1836         (Incremental_library::do_for_all_unused_symbols): New function.
1837         * incremental.h (enum Incremental_input_flags): New type.
1838         (class Incremental_checker): Remove.
1839         (Incremental_input_entry::Incremental_input_entry): Add argument
1840         serial number.
1841         (Incremental_input_entry::arg_serial): New function.
1842         (Incremental_input_entry::set_is_in_system_directory): New function.
1843         (Incremental_input_entry::is_in_system_directory): New function.
1844         (Incremental_input_entry::arg_serial_): New data member.
1845         (Incremental_input_entry::is_in_system_directory_): New data member.
1846         (class Script_info): Move here from script.h.
1847         (Script_info::Script_info): Add filename parameter.
1848         (Script_info::filename): New function.
1849         (Script_info::filename_): New data member.
1850         (Incremental_script_entry::Incremental_script_entry): Add argument
1851         serial number.
1852         (Incremental_object_entry::Incremental_object_entry): Likewise.
1853         (Incremental_object_entry::add_input_section): Build list of input
1854         sections with map to original shndx.
1855         (Incremental_object_entry::get_input_section_index): New function.
1856         (Incremental_object_entry::shndx_): New data member.
1857         (Incremental_object_entry::name_key_): Rename; adjust all refs.
1858         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1859         (Incremental_archive_entry::Incremental_archive_entry): Add argument
1860         serial number.
1861         (Incremental_inputs::report_archive_begin): Likewise.
1862         (Incremental_inputs::report_object): Likewise.
1863         (Incremental_inputs::report_script): Likewise.
1864         (class Incremental_global_symbol_reader): New class.
1865         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1866         and store flags and input file type.
1867         (Incremental_input_entry_reader::arg_serial): New function.
1868         (Incremental_input_entry_reader::type): Extract type from flags.
1869         (Incremental_input_entry_reader::is_in_system_directory): New function.
1870         (Incremental_input_entry_reader::get_input_section_count): Call
1871         accessor function for type.
1872         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1873         function for type; adjust size of global symbol entry.
1874         (Incremental_input_entry_reader::get_global_symbol_count): Call
1875         accessor function for type.
1876         (Incremental_input_entry_reader::get_object_count): Likewise.
1877         (Incremental_input_entry_reader::get_object_offset): Likewise.
1878         (Incremental_input_entry_reader::get_member_count): Likewise.
1879         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1880         (Incremental_input_entry_reader::get_member_offset): Likewise.
1881         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1882         (Incremental_input_entry_reader::Global_symbol_info): Remove.
1883         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1884         (Incremental_input_entry_reader::get_global_symbol_reader): New
1885         function.
1886         (Incremental_input_entry_reader::get_output_symbol_index): New
1887         function.
1888         (Incremental_input_entry_reader::type_): Remove.
1889         (Incremental_input_entry_reader::flags_): New data member.
1890         (Incremental_inputs_reader::input_file_offset): New function.
1891         (Incremental_inputs_reader::input_file_index): New function.
1892         (Incremental_inputs_reader::input_file): Call input_file_offset.
1893         (Incremental_inputs_reader::input_file_at_offset): New function.
1894         (Incremental_relocs_reader::get_r_type): Reformat.
1895         (Incremental_relocs_reader::get_r_shndx): Reformat.
1896         (Incremental_relocs_reader::get_r_offset): Reformat.
1897         (Incremental_relocs_reader::data): New function.
1898         (Incremental_binary::Incremental_binary): Initialize new data members.
1899         (Incremental_binary::check_inputs): Add cmdline parameter.
1900         (Incremental_binary::file_is_unchanged): Remove.
1901         (Input_reader::arg_serial): New function.
1902         (Input_reader::get_unused_symbol_count): New function.
1903         (Input_reader::get_unused_symbol): New function.
1904         (Input_reader::do_arg_serial): New function.
1905         (Input_reader::do_get_unused_symbol_count): New function.
1906         (Input_reader::do_get_unused_symbol): New function.
1907         (Incremental_binary::input_file_count): New function.
1908         (Incremental_binary::get_input_reader): Change signature to use
1909         index instead of filename.
1910         (Incremental_binary::file_has_changed): New function.
1911         (Incremental_binary::get_input_argument): New function.
1912         (Incremental_binary::get_library): New function.
1913         (Incremental_binary::get_script_info): New function.
1914         (Incremental_binary::init_layout): New function.
1915         (Incremental_binary::reserve_layout): New function.
1916         (Incremental_binary::output_file): New function.
1917         (Incremental_binary::do_check_inputs): New function.
1918         (Incremental_binary::do_file_is_unchanged): Remove.
1919         (Incremental_binary::do_file_has_changed): New function.
1920         (Incremental_binary::do_init_layout): New function.
1921         (Incremental_binary::do_reserve_layout): New function.
1922         (Incremental_binary::do_input_file_count): New function.
1923         (Incremental_binary::do_get_input_reader): Change signature.
1924         (Incremental_binary::input_args_map_): New data member.
1925         (Incremental_binary::library_map_): New data member.
1926         (Incremental_binary::script_map_): New data member.
1927         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1928         new data members.
1929         (Sized_incremental_binary::output_section): New function.
1930         (Sized_incremental_binary::inputs_reader): Add const.
1931         (Sized_incremental_binary::symtab_reader): Add const.
1932         (Sized_incremental_binary::relocs_reader): Add const.
1933         (Sized_incremental_binary::got_plt_reader): Add const.
1934         (Sized_incremental_binary::get_symtab_view): New function.
1935         (Sized_incremental_binary::Inputs_reader): New typedef.
1936         (Sized_incremental_binary::Input_entry_reader): New typedef.
1937         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1938         (Sized_incremental_binary::do_file_is_unchanged): Remove.
1939         (Sized_incremental_binary::do_file_has_changed): New function.
1940         (Sized_incremental_binary::do_init_layout): New function.
1941         (Sized_incremental_binary::do_reserve_layout): New function.
1942         (Sized_input_reader::Inputs_reader): Remove.
1943         (Sized_input_reader::Input_entry_reader): Remove.
1944         (Sized_input_reader::do_arg_serial): New function.
1945         (Sized_input_reader::do_get_unused_symbol_count): New function.
1946         (Sized_input_reader::do_get_unused_symbol): New function.
1947         (Sized_incremental_binary::do_input_file_count): New function.
1948         (Sized_incremental_binary::do_get_input_reader): Change signature;
1949         use index instead of filename.
1950         (Sized_incremental_binary::section_map_): New data member.
1951         (Sized_incremental_binary::input_entry_readers_): New data member.
1952         (class Sized_incr_relobj): New class.
1953         (class Sized_incr_dynobj): New class.
1954         (make_sized_incremental_object): New function.
1955         (class Incremental_library): New class.
1956         * layout.cc (Free_list::num_lists): New static data member.
1957         (Free_list::num_nodes): New static data member.
1958         (Free_list::num_removes): New static data member.
1959         (Free_list::num_remove_visits): New static data member.
1960         (Free_list::num_allocates): New static data member.
1961         (Free_list::num_allocate_visits): New static data member.
1962         (Free_list::init): New function.
1963         (Free_list::remove): New function.
1964         (Free_list::allocate): New function.
1965         (Free_list::dump): New function.
1966         (Free_list::print_stats): New function.
1967         (Layout_task_runner::run): Resize output file for incremental updates.
1968         (Layout::Layout): Initialize new data members.
1969         (Layout::set_incremental_base): New function.
1970         (Layout::init_fixed_output_section): New function.
1971         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1972         incremental updates.
1973         (Layout::create_gold_note): Do not create gold note section for
1974         incremental updates.
1975         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1976         for incremental updates.
1977         (Layout::set_section_offsets): For incremental updates, allocate space
1978         from free list.
1979         (Layout::create_symtab_sections): Layout with offsets relative to
1980         start of section; for incremental updates, allocate space from free
1981         list.
1982         (Layout::create_shdrs): For incremental updates, allocate space from
1983         free list.
1984         (Layout::finish_dynamic_section): For incremental updates, do not
1985         check --as-needed (fixed in subsequent patch).
1986         * layout.h (class Free_list): New class.
1987         (Layout::set_incremental_base): New function.
1988         (Layout::incremental_base): New function.
1989         (Layout::init_fixed_output_section): New function.
1990         (Layout::allocate): New function.
1991         (Layout::incremental_base_): New data member.
1992         (Layout::free_list_): New data member.
1993         * main.cc (main): Print Free_list statistics.
1994         * object.cc (Relobj::finalize_incremental_relocs): Add
1995         clear_counts parameter; clear counts only when clear_counts is set.
1996         (Sized_relobj::Sized_relobj): Initialize new base class.
1997         (Sized_relobj::do_layout): Don't report special sections.
1998         (Sized_relobj::do_for_all_local_got_entries): New function.
1999         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2000         symtab_off to all symbol table offsets.
2001         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2002         * object.h (class Got_offset_list): Move to top of file.
2003         (Object::Object): Allow case where input_file == NULL.
2004         (Object::~Object): Likewise.
2005         (Object::input_file): Assert that input_file != NULL.
2006         (Object::lock): Allow case where input_file == NULL.
2007         (Object::unlock): Likewise.
2008         (Object::is_locked): Likewise.
2009         (Object::token): Likewise.
2010         (Object::release): Likewise.
2011         (Object::is_incremental): New function.
2012         (Object::get_mtime): New function.
2013         (Object::for_all_local_got_entries): New function.
2014         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2015         (Object::set_is_in_system_directory): New function.
2016         (Object::is_in_system_directory): New function.
2017         (Object::do_is_incremental): New function.
2018         (Object::do_get_mtime): New function.
2019         (Object::do_for_all_local_got_entries): New function.
2020         (Object::is_in_system_directory_): New data member.
2021         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2022         (class Sized_relobj_base): New class.
2023         (class Sized_relobj): Derive from Sized_relobj_base.
2024         (class Sized_relobj::Symbols): Redeclare from base class.
2025         (class Sized_relobj::local_got_offset_list): Remove.
2026         (class Sized_relobj::Output_sections): Redeclare from base class.
2027         (class Sized_relobj::do_for_all_local_got_entries): New function.
2028         (class Sized_relobj::write_local_symbols): Add offset parameter.
2029         (class Sized_relobj::local_symbol_offset_): Update comment.
2030         (class Sized_relobj::local_dynsym_offset_): Update comment.
2031         * options.cc (Input_arguments::add_file): Remove const.
2032         * options.h (Input_file_argument::Input_file_argument):
2033         Initialize arg_serial_ (all constructors).
2034         (Input_file_argument::set_arg_serial): New function.
2035         (Input_file_argument::arg_serial): New function.
2036         (Input_file_argument::arg_serial_): New data member.
2037         (Input_arguments::Input_arguments): Initialize file_count_.
2038         (Input_arguments::add_file): Remove const.
2039         (Input_arguments::number_of_input_files): New function.
2040         (Input_arguments::file_count_): New data member.
2041         (Command_line::number_of_input_files): Call
2042         Input_arguments::number_of_input_files.
2043         * output.cc (Output_segment_headers::Output_segment_headers):
2044         Set current size.
2045         (Output_section::Input_section::current_data_size): New function.
2046         (Output_section::Output_section): Initialize new data members.
2047         (Output_section::add_input_section): Don't do merge sections for
2048         an incremental link; allocate space from free list for an
2049         incremental update.
2050         (Output_section::add_output_section_data): Allocate space from
2051         free list for an incremental update.
2052         (Output_section::update_data_size): New function.
2053         (Output_section::set_fixed_layout): New function.
2054         (Output_section::reserve): New function.
2055         (Output_segment::set_section_addresses): Remove const.
2056         (Output_segment::set_section_list_addresses): Remove const; allocate
2057         space from free list for an incremental update.
2058         (Output_segment::set_offset): Adjust size of RELRO segment for an
2059         incremental update.
2060         * output.h (Output_data::current_data_size): Move here from
2061         child classes.
2062         (Output_data::pre_finalize_data_size): New function.
2063         (Output_data::update_data_size): New function.
2064         (Output_section_headers::update_data_size): new function.
2065         (Output_section_data_build::current_data_size): Move to Output_data.
2066         (Output_data_strtab::update_data_size): New function.
2067         (Output_section::current_data_size): Move to Output_data.
2068         (Output_section::set_fixed_layout): New function.
2069         (Output_section::has_fixed_layout): New function.
2070         (Output_section::reserve): New function.
2071         (Output_section::update_data_size): New function.
2072         (Output_section::has_fixed_layout_): New data member.
2073         (Output_section::free_list_): New data member.
2074         (Output_segment::set_section_addresses): Remove const.
2075         (Output_segment::set_section_list_addresses): Remove const.
2076         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2077         New function.
2078         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2079         New function.
2080         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2081         parameter when calling Add_symbols constructor; store argument
2082         serial number for members of a lib group.
2083         (Add_symbols::locks): Allow case where token == NULL.
2084         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2085         (Read_member::~Read_member): New function.
2086         (Read_member::is_runnable): New function.
2087         (Read_member::locks): New function.
2088         (Read_member::run): New function.
2089         (Check_script::~Check_script): New function.
2090         (Check_script::is_runnable): New function.
2091         (Check_script::locks): New function.
2092         (Check_script::run): New function.
2093         (Check_library::~Check_library): New function.
2094         (Check_library::is_runnable): New function.
2095         (Check_library::locks): New function.
2096         (Check_library::run): New function.
2097         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2098         (Add_symbols::library_): New data member.
2099         (class Read_member): New class.
2100         (class Check_script): New class.
2101         (class Check_library): New class.
2102         * reloc.cc (Read_relocs::is_runnable): Allow case where
2103         token == NULL.
2104         (Read_relocs::locks): Likewise.
2105         (Scan_relocs::locks): Likewise.
2106         (Relocate_task::locks): Likewise.
2107         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2108         to clear counters.
2109         (Sized_relobj::incremental_relocs_scan): Fix comment.
2110         (Sized_relobj::do_relocate): Pass output file offset to
2111         write_local_symbols.
2112         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2113         from class declaration.
2114         * script.cc (read_input_script): Allocate Script_info; pass
2115         argument serial number to report_script.
2116         * script.h (class Script_info): Move to incremental.h.
2117         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2118         * symtab.h (Symbol_table::add_from_incrobj): New function.
2119         (Symbol_table::set_file_offset): New function.
2120
2121 2011-04-05  Cary Coutant  <ccoutant@google.com>
2122
2123         * incremental-dump.cc (dump_incremental_inputs): Change signature
2124         to take a Sized_incremental_binary; change caller.  Use readers
2125         in Sized_incremental_binary.
2126         * incremental.cc
2127         (Sized_incremental_binary::find_incremental_inputs_sections):
2128         Rename do_find_incremental_inputs_sections to this.
2129         (Sized_incremental_binary::setup_readers): New function.
2130         (Sized_incremental_binary::do_check_inputs): Check
2131         has_incremental_info_ flag; move setup code to setup_readers;
2132         use input readers.
2133         (Sized_incremental_binary::do_file_is_unchanged): New function.
2134         (Sized_incremental_binary::do_get_input_reader): New function.
2135         * incremental.h (class Incremental_binary): Move to end of file.
2136         (Incremental_binary::file_is_unchanged): New function.
2137         (Incremental_binary::do_file_is_unchanged): New function.
2138         (Incremental_binary::Input_reader): New class.
2139         (Incremental_binary::get_input_reader): New function.
2140         (class Sized_incremental_binary): Move to end of file.
2141         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2142         input section reader classes.
2143         (Sized_incremental_binary::has_incremental_info): New function.
2144         (Sized_incremental_binary::inputs_reader): New function.
2145         (Sized_incremental_binary::symtab_reader): New function.
2146         (Sized_incremental_binary::relocs_reader): New function.
2147         (Sized_incremental_binary::got_plt_reader): New function.
2148         (Sized_incremental_binary::do_file_is_unchanged): New function.
2149         (Sized_incremental_binary::Sized_input_reader): New class.
2150         (Sized_incremental_binary::get_input_reader): New function.
2151         (Sized_incremental_binary::find_incremental_inputs_sections):
2152         Rename do_find_incremental_inputs_sections to this.
2153         (Sized_incremental_binary::setup_readers): New function.
2154         (Sized_incremental_binary::has_incremental_info_): New data member.
2155         (Sized_incremental_binary::inputs_reader_): New data member.
2156         (Sized_incremental_binary::symtab_reader_): New data member.
2157         (Sized_incremental_binary::relocs_reader_): New data member.
2158         (Sized_incremental_binary::got_plt_reader_): New data member.
2159         (Sized_incremental_binary::current_input_file_): New data member.
2160
2161 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2162
2163         PR gold/12640
2164         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2165         violation.
2166
2167 2011-03-30  Cary Coutant  <ccoutant@google.com>
2168
2169         * archive.cc (Archive::include_member): Adjust call to report_object.
2170         (Add_archive_symbols::run): Add script_info to call to
2171         report_archive_begin.
2172         (Lib_group::include_member): Adjust call to report_object.
2173         (Add_lib_group_symbols::run): Adjust call to report_object.
2174         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2175         blocks.  Add object count for script input files.
2176         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2177         script_info parameter; change all callers.
2178         (Incremental_inputs::report_object): Add script_info parameter;
2179         change all callers.
2180         (Incremental_inputs::report_script): Store backpointer to
2181         incremental info entry.
2182         (Output_section_incremental_inputs::set_final_data_size): Record
2183         additional information for scripts.
2184         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2185         * incremental.h (Incremental_script_entry::add_object): New function.
2186         (Incremental_script_entry::get_object_count): New function.
2187         (Incremental_script_entry::get_object): New function.
2188         (Incremental_script_entry::objects_): New data member; adjust
2189         constructor.
2190         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2191         (Incremental_inputs::report_object): Add script_info parameter.
2192         (Incremental_inputs_reader::get_object_count): New function.
2193         (Incremental_inputs_reader::get_object_offset): New function.
2194         * options.cc (Input_arguments::add_file): Return reference to
2195         new input argument.
2196         * options.h (Input_argument::set_script_info): New function.
2197         (Input_argument::script_info): New function.
2198         (Input_argument::script_info_): New data member; adjust all
2199         constructors.
2200         (Input_file_group::add_file): Return reference to new input argument.
2201         (Input_file_lib::add_file): Likewise.
2202         (Input_arguments::add_file): Likewise.
2203         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2204         * script.cc (Parser_closure::Parser_closure): Add script_info
2205         parameter; adjust all callers.
2206         (Parser_closure::script_info): New function.
2207         (Parser_closure::script_info_): New data member.
2208         (read_input_script): Report scripts earlier to incremental info.
2209         (script_add_file): Set script_info in Input_argument.
2210         (script_add_library): Likewise.
2211         * script.h (Script_options::Script_info): Rewrite class.
2212
2213 2011-03-29  Cary Coutant  <ccoutant@google.com>
2214
2215         * archive.cc (Library_base::should_include_member): Move
2216         method here from class Archive.
2217         (Archive::Archive): Initialize base class.
2218         (Archive::should_include_member): Move to base class.
2219         (Archive::do_for_all_unused_symbols): New function.
2220         (Add_archive_symbols::run): Remove redundant access to
2221         incremental_inputs.
2222         (Lib_group::Lib_group): Initialize base class.
2223         (Lib_group::do_filename): New function.
2224         (Lib_group::include_member): Pass pointer to Lib_group to
2225         report_object.
2226         (Lib_group::do_for_all_unused_symbols): New function.
2227         (Add_lib_group_symbols::run): Report archive information for
2228         incremental links.
2229         * archive.h (class Library_base): New base class.
2230         (class Archive): Derive from Library_base.
2231         (Archive::filename): Move to base class.
2232         (Archive::set_incremental_info): Likewise.
2233         (Archive::incremental_info): Likewise.
2234         (Archive::Should_include): Likewise.
2235         (Archive::should_include_member): Likewise.
2236         (Archive::Armap_entry): Remove.
2237         (Archive::Unused_symbol_iterator): Remove.
2238         (Archive::unused_symbols_begin): Remove.
2239         (Archive::unused_symbols_end): Remove.
2240         (Archive::do_filename): New function.
2241         (Archive::do_get_mtime): New function.
2242         (Archive::do_for_all_unused_symbols): New function.
2243         (Archive::task_): Move to base class.
2244         (Archive::incremental_info_): Likewise.
2245         (class Lib_group): Derive from Library_base.
2246         (Lib_group::do_filename): New function.
2247         (Lib_group::do_get_mtime): New function.
2248         (Lib_group::do_for_all_unused_symbols): New function.
2249         (Lib_group::task_): Move to base class.
2250         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2251         function.
2252         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2253         function.
2254         * incremental.cc (Incremental_inputs::report_archive_begin):
2255         Use Library_base; call library's get_mtime; add incremental inputs
2256         entry before members.
2257         (class Unused_symbol_visitor): New class.
2258         (Incremental_inputs::report_archive_end): Use Library_base; use
2259         visitor class to record unused symbols; don't add incremental inputs
2260         entry after members.
2261         (Incremental_inputs::report_object): Use Library_base.
2262         * incremental.h
2263         (Incremental_archive_entry::Incremental_archive_entry): Remove
2264         unused Archive parameter.
2265         (Incremental_inputs::report_archive_begin): Use Library_base.
2266         (Incremental_inputs::report_archive_end): Likewise.
2267         (Incremental_inputs::report_object): Likewise.
2268         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2269         function.
2270         * object.h (Object::for_all_global_symbols): New function.
2271         (Object::do_for_all_global_symbols): New function.
2272         (Sized_relobj::do_for_all_global_symbols): New function.
2273         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2274         function.
2275         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2276         function.
2277
2278 2011-03-27  Ian Lance Taylor  <iant@google.com>
2279
2280         * archive.cc (Archive::interpret_header): Return -1 if something
2281         goes wrong.  Change callers accordingly.
2282
2283 2011-03-25  Cary Coutant  <ccoutant@google.com>
2284
2285         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2286         * testsuite/Makefile.in: Regenerate.
2287
2288 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2289
2290         * plugin.cc (get_view): New.
2291         (Plugin::load): Pass get_view to the plugin.
2292         (Plugin_manager::get_view): New.
2293
2294 2011-03-21  Ian Lance Taylor  <iant@google.com>
2295
2296         * testsuite/final_layout.sh: Rewrite to not use dc.
2297         * testsuite/relro_test.sh: Fail if dc is not present.
2298
2299 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2300
2301         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2302         Change == to -eq.
2303         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2304         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2305         Change == to -eq.
2306         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2307         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2308
2309 2011-03-14  Ian Lance Taylor  <iant@google.com>
2310
2311         * script-sections.cc (Sort_output_sections::script_compare):
2312         Rename from is_before, change return type.
2313         (Sort_output_sections::operator()): Adjust accordingly.
2314
2315 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2316
2317         PR gold/12572
2318         * testsuite/odr_violation2.cc: Add comment to make all error line
2319         numbers double digits.
2320         * testsuite/debug_msg.sh: Adjust expected errors.
2321
2322 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2323
2324         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2325         but mark earlier ones as non-canonical
2326         (offset_to_iterator): Update search target and example
2327         (do_addr2line): Return extra lines in a vector*
2328         (format_file_lineno): Extract from do_addr2line
2329         (one_addr2line): Add vector* out-param
2330         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2331         when a lineno entry appeared last for its instruction
2332         (Dwarf_line_info): Add vector* out-param
2333         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2334         * symtab.cc (Odr_violation_compare): Include the lineno in the
2335         comparison again.
2336         (linenos_from_loc): New. Combine the canonical line for an
2337         address with its other lines.
2338         (True_if_intersect): New. Helper functor to make
2339         std::set_intersection a query.
2340         (detect_odr_violations): Compare sets of lines instead of just
2341         one line for each function. This became less deterministic, but
2342         has fewer false positives.
2343         * symtab.h: Declarations.
2344         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2345         mix an optimized and non-optimized object in the same binary
2346         (odr_violation2.so): Same.
2347         * testsuite/Makefile.in: Regenerate from Makefile.am.
2348         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2349         * testsuite/debug_msg.sh: Update line numbers and add
2350         assertions.
2351         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2352         non-optimized context.
2353         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2354         isn't inlined, and use OdrDerived in an optimized context.
2355         * testsuite/odr_header1.h: Defines OdrDerived, where
2356         optimization will change the
2357         first-instruction-in-the-destructor's file and line number.
2358         * testsuite/odr_header2.h: Defines OdrBase.
2359
2360 2011-03-09  Ian Lance Taylor  <iant@google.com>
2361
2362         * fileread.cc (File_read::clear_views): Don't delete the whole
2363         file view.
2364
2365 2011-03-08  Ian Lance Taylor  <iant@google.com>
2366
2367         PR gold/12525
2368         * fileread.cc: #include <climits>.
2369         (GOLD_IOV_MAX): Define.
2370         (File_read::read_multiple): Limit number of entries by iov_max.
2371         * fileread.h (class File_read): Always set max_readv_entries to
2372         128.
2373
2374 2011-03-07  Ian Lance Taylor  <iant@google.com>
2375
2376         PR gold/12525
2377         * options.h (class General_options): Add -dy and -dn.
2378
2379 2011-03-02  Cary Coutant  <ccoutant@google.com>
2380
2381         * testsuite/script_test_9.t: Add TLS segment.
2382
2383 2011-03-02  Simon Baldwin  <simonb@google.com>
2384
2385         * configure.ac: Add check for gnu_indirect_function support in
2386         the toolchain building binutils.
2387         * configure: Rebuild.
2388
2389 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2390
2391         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2392         plugin only symbols.
2393         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2394         in plugin files as not needed in the symbol table.
2395
2396 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2397
2398         * output.cc (Output_section::add_input_section): Delay fill
2399         generation for section ordering.
2400
2401 2011-02-09  Ian Lance Taylor  <iant@google.com>
2402
2403         PR gold/12316
2404         * object.h (class Sized_relobj): Remove clear_local_symbols.
2405         * reloc.cc (Sized_relobj::do_relocate): Don't call
2406         clear_local_symbols.
2407
2408 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2409
2410         * plugin.cc (is_visible_from_outside): Return true for symbols
2411         in the -u option.
2412
2413 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2414
2415         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2416         filename.
2417
2418 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2419
2420         * icf.h (is_section_foldable_candidate): Change type of parameter
2421         to std::string.
2422         * icf.cc (Icf::find_identical_sections): Change type of local variable
2423         section_name to be std::string.
2424         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2425
2426 2011-01-25  Ian Lance Taylor  <iant@google.com>
2427
2428         * script.cc (script_add_extern): Rewrite to use
2429         add_symbol_reference.
2430
2431 2011-01-25  Doug Kwan  <dougkwan@google.com>
2432
2433         * icf.cc (get_section_contents): Always lock section's object.
2434
2435 2011-01-24  Ian Lance Taylor  <iant@google.com>
2436
2437         * options.h (class General_options): Accept
2438         --no-detect-odr-violations.
2439
2440 2011-01-24  Ian Lance Taylor  <iant@google.com>
2441
2442         * version.cc (version_string): Bump to 1.11.
2443
2444 2011-01-24  Ian Lance Taylor  <iant@google.com>
2445
2446         * plugin.cc (class Plugin_rescan): Define new class.
2447         (Plugin_manager::claim_file): Set any_claimed_.
2448         (Plugin_manager::save_archive): New function.
2449         (Plugin_manager::save_input_group): New function.
2450         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2451         necessary.
2452         (Plugin_manager::new_undefined_symbol): New function.
2453         (Plugin_manager::rescan): New function.
2454         (Plugin_manager::rescannable_defines): New function.
2455         (Plugin_manager::add_input_file): Set any_added_.
2456         * plugin.h (class Plugin_manager): define new fields rescannable_,
2457         undefined_symbols_, any_claimed_, and any_added_.  Declare
2458         Plugin_rescan as friend.  Declare new functions.
2459         (Plugin_manager::Rescannable): Define type.
2460         (Plugin_manager::Rescannable_list): Define type.
2461         (Plugin_manager::Undefined_symbol_list): Define type.
2462         (Plugin_manager::Plugin_manager): Initialize new fields.
2463         * archive.cc (Archive::defines_symbol): New function.
2464         (Add_archive_symbols::run): Pass archive to plugins if any.
2465         * archive.h (class Archive): Declare defines_symbol.
2466         * readsyms.cc (Input_group::~Input_group): New function.
2467         (Finish_group::run): Pass input_group to plugins if any.
2468         * readsyms.h (class Input_group): Declare destructor.
2469         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2470         any.
2471
2472 2011-01-10  Ian Lance Taylor  <iant@google.com>
2473
2474         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2475         section as relro.
2476         (Layout::set_segment_offsets): Reset increase_relro before calling
2477         set_section_addresses a second time.
2478
2479 2011-01-04  Cary Coutant  <ccoutant@google.com>
2480
2481         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2482         sections before NOBITS sections.
2483
2484 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2485
2486         * version.cc (print_version): Update copyright to 2011.
2487
2488 2010-12-23  Cary Coutant  <ccoutant@google.com>
2489
2490         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2491         of OS to this->add.  Add OD parameter to second form of the function.
2492
2493 2010-12-20  Ian Lance Taylor  <iant@google.com>
2494
2495         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2496         second of two consecutive entries with same offset.
2497
2498 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2499
2500         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2501         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2502         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2503         to avoid unneeded links against $(LDADD).
2504         * testsuite/Makefile.in: Regenerate.
2505
2506 2010-12-15  Ian Lance Taylor  <iant@google.com>
2507
2508         PR gold/12324
2509         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2510         for R_X86_64_32 and R_X86_64_PC32.
2511         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2512         ver_matching_def_pic.o.
2513         (ver_matching_def_pic.o): New target.
2514
2515 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2516
2517         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2518         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2519         Move definition before File_read::View member definitions.
2520         (File_read::View::~View): Initialize and hold lock before
2521         updating current_mapped_bytes.
2522
2523 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2524
2525         * dwarf_reader.cc: Remove outdated comment.
2526         * gold-threads.cc: Fix typo in error message.
2527         * archive.cc: Fix typos in comments.
2528         * archive.h: Likewise.
2529         * arm-reloc-property.cc: Likewise.
2530         * arm-reloc-property.h: Likewise.
2531         * arm-reloc.def: Likewise.
2532         * arm.cc: Likewise.
2533         * attributes.h: Likewise.
2534         * cref.cc: Likewise.
2535         * ehframe.cc: Likewise.
2536         * fileread.h: Likewise.
2537         * gold.h: Likewise.
2538         * i386.cc: Likewise.
2539         * icf.cc: Likewise.
2540         * incremental.h: Likewise.
2541         * int_encoding.cc: Likewise.
2542         * layout.h: Likewise.
2543         * main.cc: Likewise.
2544         * merge.h: Likewise.
2545         * object.cc: Likewise.
2546         * object.h: Likewise.
2547         * options.cc: Likewise.
2548         * readsyms.cc: Likewise.
2549         * reduced_debug_output.cc: Likewise.
2550         * reloc.cc: Likewise.
2551         * script-sections.cc: Likewise.
2552         * sparc.cc: Likewise.
2553         * symtab.h: Likewise.
2554         * target-reloc.h: Likewise.
2555         * target.cc: Likewise.
2556         * target.h: Likewise.
2557         * timer.cc: Likewise.
2558         * timer.h: Likewise.
2559         * x86_64.cc: Likewise.
2560
2561 2010-12-09  Cary Coutant  <ccoutant@google.com>
2562
2563         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2564         stack.
2565         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2566         parameter; change all callers.
2567         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2568         * options.h (warn_execstack): New option.
2569
2570 2010-12-07  Doug Kwan  <dougkwan@google.com>
2571
2572         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2573         like function call relocations.
2574
2575 2010-12-07  Ian Lance Taylor  <iant@google.com>
2576
2577         * archive.cc (Archive::get_elf_object_for_member): Permit
2578         punconfigured to be NULL.
2579         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2580         (Archive::include_member): Pass NULL to get_elf_object_for_member
2581         if we searched for the archive and this is the first included
2582         object.
2583
2584 2010-12-01  Ian Lance Taylor  <iant@google.com>
2585
2586         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2587         track_relocs_type_ field.
2588         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2589         Set track_relocs_type_.
2590         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2591         contents when using RELA relocs.
2592         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2593         reloc_map_.
2594         * reloc.cc (Track_relocs::next_addend): New function.
2595         * reloc.h (class Track_relocs): Declare next_addend.
2596
2597 2010-12-01  Ian Lance Taylor  <iant@google.com>
2598
2599         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2600         virtual destructor.
2601
2602 2010-12-01  Ian Lance Taylor  <iant@google.com>
2603
2604         * README: Update compilers known to work and fail.
2605
2606 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2607
2608         * configure.in: For --enable-gold, handle value `default' instead of
2609         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2610         not the default.
2611         * configure: Regenerate.
2612
2613 2010-11-18  Doug Kwan  <dougkwan@google.com>
2614
2615         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2616         and right_alignment to be zero.  Store result alignment only if it is
2617         greater than existing alignment.
2618
2619 2010-11-16  Cary Coutant  <ccoutant@google.com>
2620
2621         PR gold/12220
2622         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2623         Check for ".zdebug_line".
2624
2625 2010-11-16  Doug Kwan  <dougkwan@google.com>
2626             Cary Coutant  <ccoutant@google.com>
2627
2628         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2629         by reference; adjust all callers.
2630         * output.cc (Output_segment::set_section_addresses): Adjust references
2631         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2632         list is empty.
2633         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2634         end at page boundary.
2635
2636 2010-11-16  Cary Coutant  <ccoutant@google.com>
2637
2638         PR gold/12220
2639         * layout.cc (Layout::choose_output_section): Transform names of
2640         compressed sections even when using a script with a SECTIONS clause.
2641         (Layout::output_section_name): Remove code to transform
2642         compressed debug section names.
2643         * output.cc (Output_section::add_input_section): Use uncompressed
2644         section size when tracking input sections.
2645
2646 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2647
2648         * symtab.h (Symbol::NON_PIC_REF): Remove.
2649         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2650         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2651         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2652         (Symbol::use_plt_offset): Take a flags argument and pass it
2653         directly to needs_dynamic_reloc.  Restrict check for undefined
2654         weak symbols to function calls.
2655         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2656         (Target_arm::Scan::global): Use it.
2657         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2658         (Target_arm::Relocate::relocate): Likewise.
2659         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2660         parameter with an r_type parameter.  Use get_reference_flags
2661         to get the flags.
2662         (Target_arm::Relocate::relocate): Update accordingly.
2663         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2664         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2665         (Target_i386::Scan::global): Likewise.
2666         (Target_i386::Relocate::relocate): Likewise.
2667         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2668         parameter with an r_type parameter.  Use get_reference_flags
2669         to get the flags.
2670         (Target_i386::Relocate::relocate): Update accordingly.
2671         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2672         (Target_powerpc::Scan::global): Use it.
2673         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2674         (Target_powerpc::Relocate::relocate): Likewise.
2675         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2676         (Target_sparc::Scan::global): Use it.
2677         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2678         (Target_sparc::Relocate::relocate): Likewise.
2679         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2680         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2681         (Target_x86_64::Scan::global): Likewise.
2682         (Target_x86_64::Relocate::relocate): Likewise.
2683
2684 2010-11-08  Doug Kwan  <dougkwan@google.com>
2685             Cary Coutant  <ccoutant@google.com>
2686
2687         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2688         (Arm_exidx_merge_section::section_contents_): New data member.
2689         (Arm_input_section::Arm_input_section): Initialize original_contents_.
2690         (Arm_input_section::~Arm_input_section): De-allocate memory.
2691         (Arm_input_section::original_contents_): New data member.       
2692         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2693         in parameters instead of calling Object::section_contents without
2694         locking.
2695         (Arm_output_section::group_section): New parameter TASK.  Pass it
2696         to callees that need locking objects.
2697         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
2698         to lock EXIDX input sections.  Fix a formatting issue.  Call
2699         Arm_exidx_merged_section::build_contents to create merged section
2700         contents.
2701         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
2702         to lock object of stub table owner.
2703         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2704         TEXT_SIZE to initialize data member TEXT_SIZE_.
2705         (Arm_exidx_input_section::addralign): Fix typo in comment.
2706         (Arm_exidx_input_section::text_size): New method.
2707         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
2708         that require locking objects.  Lock objects before scanning for stubs
2709         and updating local symbols.
2710         (Arm_input_section<big_endian>::init): Copy contents of original
2711         input section.
2712         (Arm_input_section<big_endian>::do_write): Use saved contents of
2713         original input section instead of calling Object::section_contents
2714         without locking.
2715         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2716         size without calling Object::section_size().
2717         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2718         for size.  Allocate a buffer for merged EXIDX entries.
2719         (Arm_exidx_merged_section::build_contents): New method.
2720         (Arm_exidx_merged_section::do_write): Move merge section contents
2721         building code to Arm_exidx_merged_section::build_contetns.  Write
2722         out contetns in buffer instead of building it on the fly.
2723         (Arm_relobj::make_exidx_input_section): Also pass text section size
2724         to Arm_exidx_input_section constructor.
2725         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
2726         (Arm_dynobj::do_read_symbols): Fix memory leak.
2727         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2728         * target.h: (class Task): Add forward declaration.
2729         (Target::relax): Add new parameter TASK and pass it to
2730         Target::do_relax().
2731         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
2732
2733 2010-11-05  Cary Coutant  <ccoutant@google.com>
2734
2735         PR gold/10708
2736         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2737         object when reading from the file.
2738         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2739         second layout pass.
2740         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2741         when reading section contents.
2742         (get_section_contents): Likewise.
2743         (icf::find_identical_sections): Likewise.
2744         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2745         object when reading from the file.
2746         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2747         the object when doing deferred section layout.
2748
2749 2010-11-03  Nick Clifton  <nickc@redhat.com>
2750
2751         PR gold/12001
2752         * script.h (class Symbol_assignment: name): New member.  Returns
2753         the name of the symbol.
2754         * scrfipt.cc (Script_options::is_pending_assignment): New member.
2755         Returns true if the given symbol name is on the list of
2756         assignments wating to be processed.
2757         * archive.cc (should_incldue_member): If the symbol is undefined,
2758         check to see if it is on the list of symbols pending assignment.
2759
2760 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
2761
2762         * script-sections.cc (Script_sections::find_memory_region): Check
2763         for a NULL output section pointer.
2764
2765 2010-10-29  Doug Kwan  <dougkwan@google.com>
2766
2767         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2768         Output_section::add_relaxed_input_section.
2769         * output.cc (Output_section::add_relaxed_input_section): Add new
2770         arguments LAYOUT and NAME.  Set section order index.
2771         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2772         Copy section order index.
2773         * output.h (Output_section::add_relaxed_input_section): Add new
2774         arguments LAYOUT and NAME.
2775
2776 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2777
2778         * testsuite/Makefile.am: Move gcctestdir/ld rule to
2779         NATIVE_OR_CROSS_LINKER.
2780         * testsuite/Makefile.in: Regenerate.
2781
2782 2010-10-20  Doug Kwan  <dougkwan@google.com>
2783
2784         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2785         without SHF_LINK_ORDER flags.
2786         * layout.cc (Layout::choose_output_section): Do not filter
2787         SHF_LINK_ORDER flag in a relocatable link.
2788
2789 2010-10-17  Cary Coutant  <ccoutant@google.com>
2790
2791         * output.h (Output_segment::set_section_addresses): Change function
2792         signature.  Update all callers.
2793         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2794         sections.
2795         (Output_segment::set_section_addresses): Align after last TLS
2796         section.  Add padding before last relro section instead of after.
2797
2798 2010-10-17  Doug Kwan  <dougkwan@google.com>
2799
2800         * gold/arm.cc (Target_arm::got_section): Use correct order and set
2801         GOT output section to be writable.
2802
2803 2010-10-14  Cary Coutant  <ccoutant@google.com>
2804
2805         * debug.h (DEBUG_INCREMENTAL): New flag.
2806         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2807         * gold.cc (queue_initial_tasks): Check parameters for incremental link
2808         mode.
2809         * incremental.cc (report_command_line): Ignore all forms of
2810         --incremental.
2811         * layout.cc (Layout::Layout): Check parameters for incremental link
2812         mode.
2813         * options.cc (General_options::parse_incremental): New function.
2814         (General_options::parse_no_incremental): New function.
2815         (General_options::parse_incremental_full): New function.
2816         (General_options::parse_incremental_update): New function.
2817         (General_options::incremental_mode_): New data member.
2818         (General_options::finalize): Check incremental_mode_.
2819         * options.h (General_options): Update help text for --incremental.
2820         Add --no-incremental, --incremental-full, --incremental-update.
2821         (General_options::Incremental_mode): New enum type.
2822         (General_options::incremental_mode): New function.
2823         (General_options::incremental_mode_): New data member.
2824         * parameters.cc (Parameters::incremental_mode_): New data member.
2825         (Parameters::set_options): Set incremental_mode_.
2826         (Parameters::set_incremental_full): New function.
2827         (Parameters::incremental): New function.
2828         (Parameters::incremental_update): New function.
2829         (set_parameters_incremental_full): New function.
2830         * parameters.h (Parameters::set_incremental_full): New function.
2831         (Parameters::incremental): New function.
2832         (Parameters::incremental_update): New function.
2833         (Parameters::incremental_mode_): New data member.
2834         (set_parameters_incremental_full): New function.
2835         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2836         incremental link mode.
2837         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2838         (Sized_relobj::do_relocate_sections): Likewise.
2839         * testsuite/Makefile.am (incremental_test): Use --incremental-full
2840         option.
2841         * testsuite/Makefile.in: Regenerate.
2842         * testsuite/incremental_test.sh: Filter all forms of --incremental.
2843
2844 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2845
2846         * script-sections.h (class Script_sections): Make
2847         Sections_elements typedef public.
2848         * script-sections.cc (class Sort_output_sections): Add elements_
2849         field.  Add constructor which sets it; change all callers.
2850         (Sort_output_sections::is_before): New function.
2851         (Sort_output_sections::operator()): Call is_before.
2852         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2853         conditional.
2854         * testsuite/script_test_10.sh: New test. Test script section
2855         order.
2856         * testsuite/script_test_10.t: Likewise.
2857         * testsuite/script_test_10.s: Likewise.
2858         * testsuite/Makefile.am: Wrap the cross linker tests and the
2859         common tests into NATIVE_OR_CROSS_LINKER.
2860         (check_SCRIPTS): Add script_test_10.sh.
2861         (check_DATA): Add script_test_10.stdout.
2862         (script_test_10.o, script_test_10): New targets.
2863         (script_test_10.stdout): New target.
2864         * configure, testsuite/Makefile.in: Regenerate.
2865
2866 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
2867
2868         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2869         error for the deprecated relocations.
2870         (Target_arm::Scan::global): Likewise.
2871         (Target_arm::Relocate::relocate): Likewise.
2872
2873 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
2874
2875         * fileread.cc (Input_file::find_file): Initialize *found_name
2876         and *namep when using the fallback search for case 4.
2877
2878 2010-10-11  Cary Coutant  <ccoutant@google.com>
2879
2880         * options.h (class General_options): Redefine -z lazy as an alias for
2881         the negation of -z now.
2882
2883 2010-10-11  Ian Lance Taylor  <iant@google.com>
2884
2885         * resolve.cc (symbol_to_bits): Report the value of the unsupported
2886         binding.
2887
2888 2010-10-06  Nick Clifton  <nickc@redhat.com>
2889
2890         * script-sections.cc(class Memory_region): Remove
2891         current_lma_offset_ field.  Rename current_vma_offset_ to
2892         current_offset_.  Add last_section_ field.
2893         (Memory_region::get_current_vma_address): Rename to
2894         get_current_address.
2895         (Memory_region::get_current_lma_address): Delete.
2896         (Memory_region::increment_vma_offset): Rename to
2897         increment_offset.
2898         (Memory_region::increment_lma_offset): Delete.
2899         (Memory_region::attributes_compatible): New method.  Returns
2900         true if the provided section is compatible with the region.
2901         (Memory_region::get_last_section): New method.  Returns the last
2902         section to use the region.
2903         (Memory_region::set_last_section): New method.  Stores the last
2904         section to use the region.
2905         (Script_sections::block_in_region): New method.  Returns true if
2906         a block of memory is contained within a region.
2907         (Script_sections::find_memory_region): New method.  Locates a
2908         memory region to be used to set a VMA or LMA address.
2909         (Output_section_definition::set_section_addresses): Add code to
2910         check for addresses set by memory regions.
2911         (Output_segment::set_section_addresses): Remove memory region
2912         walking code.
2913         (Script_sections::create_segment): Add a warning if a header
2914         segment is created outside of any region.
2915         * script-sections.h (class Script_sections): Add prototypes for
2916         find_memory_region and block_in_region methods.
2917         * testsuite/memory_test.s: Use .long instead of .word.
2918         * testsuite/memory_test.t: Add some more output sections.
2919         * testsuite/memory_test.sh: Update expected output.
2920
2921 2010-10-02  Doug Kwan  <dougkwan@google.com>
2922
2923         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2924         defintion to symtab.h
2925         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2926         declaration to defintion.
2927
2928 2010-10-01  Nick Clifton  <nickc@redhat.com>
2929
2930         * expression.cc (eval): Replace dummy argument with NULL.
2931         (eval_maybe_dot): Check for a NULL result section pointer.
2932         (Symbol_expression::value): Likewise.
2933         (Dot_expression::value): Likewise.
2934         (BINARY_EXPRESSION): Likewise.
2935         (Max_expression::value): Likewise.
2936         (Min_expression::value): Likewise.
2937         (Absolute_expression::value): Likewise.
2938         (Addr_expression::value_from_output_section): Likewise.
2939         (Loaddddr_expression::value_from_output_section): Likewise.
2940         (Segment_start_expression::value): Likewise.
2941         * script-sections.cc
2942         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2943         argument with NULL.
2944         (Sections_elememt_dot_assignment::set_section_addresses):
2945         Likewise.
2946         (Output_data_expression::do_write_to_buffer): Likewise.
2947         (Output_section_definition::finalize_symbols): Likewise.
2948         (Output_section_definition::set_section_addresses): Likewise.
2949
2950 2010-09-30  Doug Kwan  <dougkwan@google.com>
2951
2952         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2953
2954 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
2955
2956         * target.h (Target::can_icf_inline_merge_sections): New virtual
2957         function.
2958         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2959         virtual function.
2960         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2961         virtual function.
2962         * icf.cc (get_section_contents): Inline merge sections only when
2963         target allows it.
2964
2965 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2966
2967         * configure: Regenerate.
2968
2969 2010-09-17  Ian Lance Taylor  <iant@google.com>
2970
2971         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
2972         * testsuite/Makefile.am (memory_test.o): New target.
2973         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2974         memory_test.t.
2975         * testsuite/Makefile.in: Rebuild.
2976
2977 2010-09-17  Doug Kwan  <dougkwan@google.com>
2978
2979         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2980         defintion if relocation uses GOT entries of the symbol.
2981         * testsuite/icf_safe_test.sh: Fix test.
2982         * testsuite/icf_safe_so_test.sh: Fix test.
2983
2984 2010-09-16  Cary Coutant  <ccoutant@google.com>
2985
2986         * script_sections.cc (class Memory_region): Remove "NULL" from
2987         vector initializations.
2988
2989 2010-09-15  Cary Coutant  <ccoutant@google.com>
2990
2991         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2992         Resolve forwarding symbols.
2993
2994 2010-09-15  Doug Kwan  <dougkwan@google.com>
2995
2996         * gold/testsuite/script_test_3.t: Add ARM special sections.
2997         * gold/testsuite/script_test_4.t: Same.
2998         * gold/testsuite/script_test_5.t: Same.
2999         * gold/testsuite/script_test_6.t: Same.
3000         * gold/testsuite/script_test_7.t: Same.
3001         * gold/testsuite/script_test_7.t: Same.
3002         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3003
3004 2010-09-14  Cary Coutant  <ccoutant@google.com>
3005
3006         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3007         (Target_x86_64::Relocate::relocate_tls): Replace check for
3008         saw_tls_block_reloc_ with test for executable section.
3009
3010 2010-09-12  Cary Coutant  <ccoutant@google.com>
3011
3012         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3013         position-independent executables to shared libraries need dynamic
3014         relocations.
3015         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3016         position-independent executables.
3017         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3018         * testsuite/Makefile.in: Regenerate.
3019
3020 2010-09-10  Nick Clifton  <nickc@redhat.com>
3021
3022         PR gold/11997
3023         * testsuite/memory_test.t: Discard any sections that are not
3024         needed.
3025
3026 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3027
3028         PR gold/11996
3029         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3030         "This::" to work around a bug in gcc 4.2.
3031
3032         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3033
3034 2010-09-09  Rafael Espindola  <espindola@google.com>
3035
3036         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3037         sections with different PF_X flags in the same segment.
3038         (Layout::find_first_load_seg): Search all segments to find the first
3039         one.
3040         * options.h (rosegment): New.
3041
3042 2010-09-08  Rafael Espindola  <espindola@google.com>
3043
3044         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3045
3046 2010-09-08  Doug Kwan  <dougkwan@google.com>
3047
3048         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3049         (Arm_relobj::do_relocate_sections): Add new parameter for output
3050         file to match the parent.
3051         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3052         of local symbols instead of input values.  Update code to track
3053         changes in gold::relocate_section.
3054         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3055         (Sized_relobj::compute_final_local_value_internal): New methods.
3056         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3057         body into private version of Sized_relobj::compute_final_local_value.
3058         Call the inline method.
3059         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3060         merged symbol value if there is one.
3061         (Symbol_value::has_output_value): New method defintiion.
3062         (Sized_relobj::Compute_final_local_value_status): New enum type.
3063         (Sized_relobj::compute_final_local_value): New methods.
3064         (Sized_relobj::compute_final_local_value_internal): New methods.
3065         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3066         and arm_cortex_a8.sh.
3067         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3068         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3069         New tests.
3070         * Makefile.in: Regenerate.
3071         * testsuite/arm_bl_out_of_range.s: Update test.
3072         * testsuite/thumb_bl_out_of_range.s: Ditto.
3073         * testsuite/thumb_blx_out_of_range.s: Ditto.
3074         * testsuite/arm_branch_out_of_range.sh: New file.
3075         * testsuite/arm_cortex_a8.sh: Ditto.
3076         * testsuite/arm_cortex_a8_b.s: Ditto.
3077         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3078         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3079         * testsuite/arm_cortex_a8_bl.s: Ditto.
3080         * testsuite/arm_cortex_a8_blx.s: Ditto.
3081         * testsuite/arm_cortex_a8_local.s: Ditto.
3082         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3083         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3084
3085 2010-09-08  Rafael Espindola  <espindola@google.com>
3086
3087         * Makefile.am (memory_test.stdout): Run readelf with -W.
3088         * Makefile.in: Regenerate.
3089         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3090         64 bit output.
3091
3092 2010-09-08  Rafael Espindola  <espindola@google.com>
3093
3094         * script-sections.cc (Script_sections::add_memory_region): Convert
3095         field precision to int.
3096         * script.cc (script_set_section_region, script_set_section_region):
3097         Convert field precision to int.
3098
3099 2010-09-08  Rafael Espindola  <espindola@google.com>
3100
3101         * arm.cc (do_finalize_sections): Create the __exidx_start and
3102         __exdix_end symbols even when the section is missing.
3103
3104 2010-09-08  Nick Clifton  <nickc@redhat.com>
3105
3106         * README: Remove claim that MEMORY is not supported.
3107         * expression.cc (script_exp_function_origin)
3108         (script_exp_function_length): Move from here to ...
3109         * script.cc: ... here.
3110         (script_set_section_region, script_add_memory)
3111         (script_parse_memory_attr, script_include_directive): New
3112         functions.
3113         * script-sections.cc
3114         (class Memory_region): New class.
3115         (class Output_section_definition): Add set_memory_region,
3116         set_section_vma, set_section_lma and get_section_name methods.
3117         (class Script_Sections): Add add_memory_region,
3118         find_memory_region, find_memory_region_origin,
3119         find_memory_region_length and set_memory_region methods.
3120         Have set_section_addresses method walk the list of set memory
3121         regions.
3122         Extend the print methos to display memory regions.
3123         * script-sections.h: Add prototypes for new methods.
3124         Add enum for MEMORY region attributes.
3125         * yyscript.y: Add support for parsing MEMORY regions.
3126         * script-c.h: Add prototypes for new functions.
3127         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3128         * testsuite/Makefile.in: Regenerate.
3129         * testsuite/memory_test.sh: New script.
3130         * testsuite/memory_test.s: New assembler source file.
3131         * testsuite/memory_test.t: New linker script.
3132
3133 2010-08-27  Doug Kwan  <dougkwan@google.com>
3134
3135         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3136         reference override an existing dynamic weak reference.
3137         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3138         * testsuite/Makefile.in: Regenerate.
3139         * testsuite/dyn_weak_ref.sh: New file.
3140         * testsuite/dyn_weak_ref_1.c: Ditto.
3141         * testsuite/dyn_weak_ref_2.c: Ditto.
3142
3143 2010-08-27  Ian Lance Taylor  <iant@google.com>
3144
3145         * incremental.h (class Incremental_input_entry): Add virtual
3146         destructor.
3147
3148 2010-08-27  Ian Lance Taylor  <iant@google.com>
3149
3150         * testsuite/start_lib_test_3.c: Mark t3 as used.
3151
3152 2010-08-27  Nick Clifton  <nickc@redhat.com>
3153
3154         * options.cc (version_script): Fix small typo in previous
3155         whitespace tidyup.
3156
3157 2010-08-25  Nick Clifton  <nickc@redhat.com>
3158
3159         * archive.cc: Formatting fixes: Remove whitespace between
3160         typename and following asterisk.  Remove whitespace between
3161         function name and opening parenthesis.
3162         * archive.h: Likewise.
3163         * arm.cc: Likewise.
3164         * attributes.cc: Likewise.
3165         * attributes.h: Likewise.
3166         * common.cc: Likewise.
3167         * copy-relocs.cc: Likewise.
3168         * dirsearch.h: Likewise.
3169         * dynobj.cc: Likewise.
3170         * ehframe.cc: Likewise.
3171         * ehframe.h: Likewise.
3172         * expression.cc: Likewise.
3173         * fileread.cc: Likewise.
3174         * fileread.h: Likewise.
3175         * gc.h: Likewise.
3176         * gold-threads.cc: Likewise.
3177         * gold.cc: Likewise.
3178         * i386.cc: Likewise.
3179         * icf.h: Likewise.
3180         * incremental-dump.cc: Likewise.
3181         * incremental.cc: Likewise.
3182         * layout.cc: Likewise.
3183         * layout.h: Likewise.
3184         * main.cc: Likewise.
3185         * merge.cc: Likewise.
3186         * merge.h: Likewise.
3187         * object.cc: Likewise.
3188         * object.h: Likewise.
3189         * options.cc: Likewise.
3190         * options.h: Likewise.
3191         * output.cc: Likewise.
3192         * output.h: Likewise.
3193         * plugin.cc: Likewise.
3194         * plugin.h: Likewise.
3195         * powerpc.cc: Likewise.
3196         * reloc.cc: Likewise.
3197         * script-c.h: Likewise.
3198         * script-sections.cc: Likewise.
3199         * script.cc: Likewise.
3200         * stringpool.cc: Likewise.
3201         * symtab.cc: Likewise.
3202         * symtab.h: Likewise.
3203         * target.cc: Likewise.
3204         * timer.cc: Likewise.
3205         * timer.h: Likewise.
3206         * version.cc: Likewise.
3207         * x86_64.cc: Likewise.
3208
3209 2010-08-24  Nick Clifton  <nickc@redhat.com>
3210
3211         PR 11899
3212         * layout.cc (segment_precedes): Sort segments by their physical
3213         addresses, if they have been set.
3214
3215 2010-08-23  Cary Coutant  <ccoutant@google.com>
3216
3217         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3218         symbols data.
3219         (Lib_group::include_member): Unlock object after deleting its
3220         symbols data.
3221         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3222         the bug fixed here.
3223
3224 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3225             Cary Coutant  <ccoutant@google.com>
3226
3227         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3228         constructor, and set_blocker.
3229         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3230         readsyms_blocker_.
3231         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3232         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3233         * testsuite/Makefile.am (start_lib_test): New test case.
3234         * testsuite/Makefile.in: Regenerate.
3235         * testsuite/start_lib_test_main.c: New file.
3236         * testsuite/start_lib_test_1.c: New file.
3237         * testsuite/start_lib_test_2.c: New file.
3238         * testsuite/start_lib_test_3.c: New file.
3239
3240 2010-08-19  Ian Lance Taylor  <iant@google.com>
3241
3242         * Makefile.in: Rebuild with automake 1.11.1.
3243         * aclocal.m4: Likewise.
3244         * testsuite/Makefile.in: Likewise.
3245
3246 2010-08-19  Ian Lance Taylor  <iant@google.com>
3247
3248         PR 10893
3249         * i386.cc (class Output_data_plt_i386): Update declarations.
3250         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3251         local_ifuncs_ fields.
3252         (Target_i386::do_plt_section_for_global): New function.
3253         (Target_i386::do_plt_section_for_local): New function.
3254         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3255         parameter; change all callers.  Initialize global_ifuncs_ and
3256         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3257         __rel_iplt_end.
3258         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3259         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3260         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3261         symbols.
3262         (Target_i386::make_plt_section): New function, broken out of
3263         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3264         (Target_i386::make_plt_entry): Call make_plt_section.
3265         (Target_i386::make_local_ifunc_plt_entry): New function.
3266         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3267         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3268         R_386_IRELATIVE to switch.
3269         (Target_i386::Scan::global): Likewise.
3270         (Target_i386::Relocate::relocate): Likewise.
3271         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3272         switch.
3273         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3274         (Target_x86_64::do_plt_section_for_global): New function.
3275         (Target_x86_64::do_plt_section_for_local): New function.
3276         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3277         parameter; change all callers.  If doing a static link define
3278         __rela_iplt_start and __rela_iplt_end.
3279         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3280         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3281         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3282         to point to .plt.
3283         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3284         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3285         switch.
3286         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3287         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3288         R_X86_64_IRELATIVE to switch.
3289         (Target_x86_64::Scan::global): Likewise.
3290         (Target_x86_64::Relocate::relocate): Likewise.
3291         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3292         switch.
3293         * target.h (class Target): Add plt_section_for_global and
3294         plt_section_for_local functions.  Add do_plt_section_for_global
3295         and do_plt_section_for_local virtual functions.
3296         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3297         clarifying comments.
3298         (Symbol::use_plt_offset): Handle IFUNC symbol.
3299         * object.cc (Sized_relobj::Sized_relobj): Initialize
3300         local_plt_offsets_.
3301         (Sized_relobj::local_has_plt_offset): New function.
3302         (Sized_relobj::local_plt_offset): New function.
3303         (Sized_relobj::set_local_plt_offset): New function.
3304         (Sized_relobj::do_count): Handle IFUNC symbol.
3305         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3306         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3307         is_ifunc_symbol functions.
3308         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3309         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3310         local_plt_offsets_ field.
3311         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3312         * output.h (class Output_section_data): Add non-const
3313         output_section function.
3314         (class Output_data_got): Update declarations.
3315         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3316         Add use_plt_offset parameter to global and local constructors.
3317         Change all callers.  Change local_sym_index_ field to 31 bits.
3318         Change GSYM_CODE and CONSTANT_CODE accordingly.
3319         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3320         doing a static link don't set sh_link field.
3321         (Output_data_got::Got_entry::write): Use PLT offset if
3322         appropriate.
3323         (Output_data_got::add_global_plt): New function.
3324         (Output_data_got::add_local_plt): New function.
3325         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3326         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3327         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3328         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3329         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3330         IFUNC conditional.
3331         * testsuite/ifunc-sel.h: New file.
3332         * testsuite/ifuncmain1.c: New file.
3333         * testsuite/ifuncmain1vis.c: New file.
3334         * testsuite/ifuncmod1.c: New file.
3335         * testsuite/ifuncdep2.c: New file.
3336         * testsuite/ifuncmain2.c: New file.
3337         * testsuite/ifuncmain3.c: New file.
3338         * testsuite/ifuncmod3.c: New file.
3339         * testsuite/ifuncmain4.c: New file.
3340         * testsuite/ifuncmain5.c: New file.
3341         * testsuite/ifuncmod5.c: New file.
3342         * testsuite/ifuncmain6pie.c: New file.
3343         * testsuite/ifuncmod6.c: New file.
3344         * testsuite/ifuncmain7.c: New file.
3345         * configure, testsuite/Makefile.in: Rebuild.
3346
3347 2010-08-18  Ian Lance Taylor  <iant@google.com>
3348
3349         * incremental.cc
3350         (Output_section_incremental_inputs::write_input_files): Add cast
3351         to avoid signed/unsigned comparison warning.
3352         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3353
3354 2010-08-12  Cary Coutant  <ccoutant@google.com>
3355
3356         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3357
3358 2010-08-13  Ian Lance Taylor  <iant@google.com>
3359
3360         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3361
3362 2010-08-12  Cary Coutant  <ccoutant@google.com>
3363             Doug Kwan  <dougkwan@google.com>
3364
3365         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3366         defintion overrides non-weak undef, remember that the original undef
3367         is not weak.
3368         * symtab.cc (Symbol_table::sized_write_global): For undef without
3369         an original weak binding, set binding to global in output.
3370         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3371         * testsuite/Makefile.in: Regenerate.
3372         * testsuite/strong_ref_weak_def.sh: New file.
3373         * testsuite/strong_ref_weak_def_1.c: Ditto.
3374         * testsuite/strong_ref_weak_def_2.c: Ditto.
3375
3376 2010-08-12  Cary Coutant  <ccoutant@google.com>
3377
3378         * testsuite/incremental_test.sh: Rewrite.
3379         * testsuite/incremental_test_1.c: Rewrite.
3380         * testsuite/incremental_test_2.c: Rewrite.
3381
3382 2010-08-12  Cary Coutant  <ccoutant@google.com>
3383
3384         * arm.cc (Target_arm::got_size): Add const.
3385         (Target_arm::got_entry_count): New function.
3386         (Target_arm::plt_entry_count): New function.
3387         (Target_arm::first_plt_entry_offset): New function.
3388         (Target_arm::plt_entry_size): New function.
3389         (Output_data_plt_arm::entry_count): New function.
3390         (Output_data_plt_arm::first_plt_entry_offset): New function.
3391         (Output_data_plt_arm::get_plt_entry_size): New function.
3392         * i386.cc (Target_i386::got_size): Add const.
3393         (Target_i386::got_entry_count): New function.
3394         (Target_i386::plt_entry_count): New function.
3395         (Target_i386::first_plt_entry_offset): New function.
3396         (Target_i386::plt_entry_size): New function.
3397         (Output_data_plt_i386::entry_count): New function.
3398         (Output_data_plt_i386::first_plt_entry_offset): New function.
3399         (Output_data_plt_i386::get_plt_entry_size): New function.
3400         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3401         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3402         * incremental.cc: Include target.h.
3403         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3404         parameter.  Adjust all callers.  Find incremental_got_plt section.
3405         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3406         section.
3407         (Output_section_incremental_inputs::set_final_data_size): Calculate
3408         size of incremental_got_plt section.
3409         (Output_section_incremental_inputs::do_write): Write the
3410         incremental_got_plt section.
3411         (Got_plt_view_info): New struct.
3412         (Local_got_offset_visitor): New class.
3413         (Global_got_offset_visitor): New class.
3414         (Global_symbol_visitor_got_plt): New class.
3415         (Output_section_incremental_inputs::write_got_plt): New function.
3416         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3417         Add parameter.  Adjust all callers.
3418         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3419         (Incremental_inputs::got_plt_section): New function.
3420         (Incremental_inputs::got_plt_section_): New data member.
3421         (Incremental_got_plt_reader): New class.
3422         * layout.cc (Layout::create_incremental_info_sections): Add the
3423         incremental_got_plt section.
3424         * object.h (Got_offset_list::get_list): New function.
3425         (Got offset_list::for_all_got_offsets): New function.
3426         (Sized_relobj::local_got_offset_list): New function.
3427         * powerpc.cc (Target_powerpc::got_size): Add const.
3428         (Target_powerpc::got_entry_count): New function.
3429         (Target_powerpc::plt_entry_count): New function.
3430         (Target_powerpc::first_plt_entry_offset): New function.
3431         (Target_powerpc::plt_entry_size): New function.
3432         (Output_data_plt_powerpc::entry_count): New function.
3433         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3434         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3435         * sparc.cc (Target_sparc::got_size): Add const.
3436         (Target_sparc::got_entry_count): New function.
3437         (Target_sparc::plt_entry_count): New function.
3438         (Target_sparc::first_plt_entry_offset): New function.
3439         (Target_sparc::plt_entry_size): New function.
3440         (Output_data_plt_sparc::entry_count): New function.
3441         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3442         (Output_data_plt_sparc::get_plt_entry_size): New function.
3443         * symtab.h (Symbol::got_offset_list): New function.
3444         (Symbol_table::for_all_symbols): New function.
3445         * target.h (Sized_target::got_entry_count): New function.
3446         (Sized_target::plt_entry_count): New function.
3447         (Sized_target::plt_entry_size): New function.
3448         * x86_64.cc (Target_x86_64::got_size): Add const.
3449         (Target_x86_64::got_entry_count): New function.
3450         (Target_x86_64::plt_entry_count): New function.
3451         (Target_x86_64::first_plt_entry_offset): New function.
3452         (Target_x86_64::plt_entry_size): New function.
3453         (Output_data_plt_x86_64::entry_count): New function.
3454         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3455         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3456
3457 2010-08-12  Cary Coutant  <ccoutant@google.com>
3458
3459         * archive.cc: Include incremental.h.
3460         (Archive::Archive): Initialize incremental_info_.
3461         (Archive::include_member): Record archive members in incremental info.
3462         (Add_archive_symbols::run): Record begin and end of an archive in
3463         incremental info.
3464         (Lib_group::include_member): Record objects in incremental info.
3465         * archive.h (Incremental_archive_entry): Forward declaration.
3466         (Archive::set_incremental_info): New member function.
3467         (Archive::incremental_info): New member function.
3468         (Archive::Unused_symbol_iterator): New class.
3469         (Archive::unused_symbols_begin): New member function.
3470         (Archive::unused_symbols_end): New member function.
3471         (Archive::incremental_info_): New data member.
3472         * incremental-dump.cc (find_input_containing_global): New function.
3473         (dump_incremental_inputs): Dump new incremental info sections.
3474         * incremental.cc: Include symtab.h.
3475         (Output_section_incremental_inputs): New class.
3476         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3477         new incremental info sections.
3478         (Sized_incremental_binary::do_check_inputs): Likewise.
3479         (Incremental_inputs::report_archive): Remove.
3480         (Incremental_inputs::report_archive_begin): New function.
3481         (Incremental_inputs::report_archive_end): New function.
3482         (Incremental_inputs::report_object): New function.
3483         (Incremental_inputs::finalize_inputs): Remove.
3484         (Incremental_inputs::report_input_section): New function.
3485         (Incremental_inputs::report_script): Rewrite.
3486         (Incremental_inputs::finalize): Do nothing but finalize string table.
3487         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3488         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3489         (Incremental_inputs::create_data_sections): New function.
3490         (Incremental_inputs::relocs_entsize): New function.
3491         (Output_section_incremental_inputs::set_final_data_size): New function.
3492         (Output_section_incremental_inputs::do_write): New function.
3493         (Output_section_incremental_inputs::write_header): New function.
3494         (Output_section_incremental_inputs::write_input_files): New function.
3495         (Output_section_incremental_inputs::write_info_blocks): New function.
3496         (Output_section_incremental_inputs::write_symtab): New function.
3497         * incremental.h (Incremental_script_entry): Forward declaration.
3498         (Incremental_object_entry): Forward declaration.
3499         (Incremental_archive_entry): Forward declaration.
3500         (Incremental_inputs): Forward declaration.
3501         (Incremental_inputs_header_data): Remove.
3502         (Incremental_inputs_header): Remove.
3503         (Incremental_inputs_header_write): Remove.
3504         (Incremental_inputs_entry_data): Remove.
3505         (Incremental_inputs_entry): Remove.
3506         (Incremental_inputs_entry_write): Remove.
3507         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3508         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3509         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3510         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3511         Likewise.
3512         (Incremental_input_entry): New class.
3513         (Incremental_script_entry): New class.
3514         (Incremental_object_entry): New class.
3515         (Incremental_archive_entry): New class.
3516         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3517         (Incremental_inputs::report_inputs): Remove.
3518         (Incremental_inputs::report_archive): Remove.
3519         (Incremental_inputs::report_archive_begin): New function.
3520         (Incremental_inputs::report_archive_end): New function.
3521         (Incremental_inputs::report_object): Change prototype.
3522         (Incremental_inputs::report_input_section): New function.
3523         (Incremental_inputs::report_script): Change prototype.
3524         (Incremental_inputs::get_reloc_count): New function.
3525         (Incremental_inputs::set_reloc_count): New function.
3526         (Incremental_inputs::create_data_sections): New function.
3527         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3528         (Incremental_inputs::inputs_section): New function.
3529         (Incremental_inputs::symtab_section): New function.
3530         (Incremental_inputs::relocs_section): New function.
3531         (Incremental_inputs::get_stringpool): Add const.
3532         (Incremental_inputs::command_line): Add const.
3533         (Incremental_inputs::inputs): Remove.
3534         (Incremental_inputs::command_line_key): New function.
3535         (Incremental_inputs::input_file_count): New function.
3536         (Incremental_inputs::input_files): New function.
3537         (Incremental_inputs::relocs_entsize): New function.
3538         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3539         (Incremental_inputs::finalize_inputs): Remove.
3540         (Incremental_inputs::Input_info): Remove.
3541         (Incremental_inputs::lock_): Remove.
3542         (Incremental_inputs::inputs_): Change type.
3543         (Incremental_inputs::inputs_map_): Remove.
3544         (Incremental_inputs::current_object_entry_): New data member.
3545         (Incremental_inputs::inputs_section_): New data member.
3546         (Incremental_inputs::symtab_section_): New data member.
3547         (Incremental_inputs::relocs_section_): New data member.
3548         (Incremental_inputs::reloc_count_): New data member.
3549         (Incremental_inputs_reader): New class.
3550         (Incremental_symtab_reader): New class.
3551         (Incremental_relocs_reader): New class.
3552         * layout.cc (Layout::finalize): Move finalization of incremental info
3553         and creation of incremental info sections to follow finalization of
3554         symbol table.  Set offsets for postprocessing sections.
3555         (Layout::create_incremental_info_sections): Call
3556         Incremental_inputs::create_data_sections.  Add incremental symtab
3557         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3558         sections to layout after input sections.
3559         * layout.h (struct Timespec): Forward declaration.
3560         (Layout::incremental_inputs): Add const.
3561         (Layout::create_incremental_info_sections): Add parameter.
3562         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3563         * object.cc: Include incremental.h.
3564         (Relobj::finalize_incremental_relocs): New function.
3565         (Sized_relobj::do_layout): Record input sections in incremental info.
3566         * object.h (Object::output_section): New function.
3567         (Object::output_section_offset): Moved from Relobj.
3568         (Object::get_incremental_reloc_base): New function.
3569         (Object::get_incremental_reloc_count): New function.
3570         (Object::do_output_section): New function.
3571         (Object::do_output_section_offset): Moved from Relobj.
3572         (Object::do_get_incremental_reloc_base): New function.
3573         (Object::do_get_incremental_reloc_count): New function.
3574         (Object::Object): Initialize new data members.
3575         (Relobj::output_section): Renamed do_output_section and moved to
3576         protected.
3577         (Relobj::output_section_offset): Moved to Object.
3578         (Relobj::do_get_incremental_reloc_base): New function.
3579         (Relobj::do_get_incremental_reloc_count): New function.
3580         (Relobj::allocate_incremental_reloc_counts): New function.
3581         (Relobj::count_incremental_reloc): New function.
3582         (Relobj::finalize_incremental_relocs): New function.
3583         (Relobj::next_incremental_reloc_index): New function.
3584         (Relobj::reloc_counts_): New data member.
3585         (Relobj::reloc_bases_): New data member.
3586         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3587         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3588         (Sized_relobj::incremental_relocs_scan): New function.
3589         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3590         (Sized_relobj::incremental_relocs_write): New function.
3591         (Sized_relobj::incremental_relocs_write_reltype): New function.
3592         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3593         incremental link.
3594         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3595         archives and object files elsewhere.
3596         (Add_symbols::run): Report object files here.
3597         (Finish_group::run): Report end of archive at end of group.
3598         * reloc.cc: Include layout.h, incremental.h.
3599         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3600         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3601         (Sized_relobj::incremental_relocs_scan): New function.
3602         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3603         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3604         (Sized_relobj::incremental_relocs_write): New function.
3605         (Sized_relobj::incremental_relocs_write_reltype): New function.
3606         * script.cc (read_input_script): Rewrite test for incremental link.
3607         Change call to Incremental_inputs::report_script.
3608         * symtab.h (Symbol_table::first_global_index): New function.
3609         (Symbol_table::output_count): New function.
3610
3611 2010-08-12  Doug Kwan  <dougkwan@google.com>
3612
3613         * arm.cc (Target_arm::merge_object_attributes): Check command line
3614         options --no-wchar-size-warning and --no-enum-size-warning.
3615         * options.h (General_options): Add ld-compatible options
3616         --no-enum-size-warning and --no-wchar-size-warning.
3617
3618 2010-08-04  Ian Lance Taylor  <iant@google.com>
3619
3620         * x86_64.cc (Target_x86_64::Scan::local): Use
3621         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3622         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3623         (Target_x86_64::Scan::global): Likewise.
3624         (Target_x86_64::Relocate::relocate): Likewise.
3625         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3626         Likewise.
3627
3628 2010-08-03  Cary Coutant  <ccoutant@google.com>
3629
3630         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3631         to reserve space in merged_strings vector. Keep total input size
3632         for stats.
3633         (Output_merge_string::do_print_merge_stats): Print total input size.
3634         * merge.h (Output_merge_string): Add input_size_ field.
3635         * stringpool.cc (Stringpool_template::string_length): Move
3636         implementations out of Stringpool_template class and place in
3637         stringpool.h.
3638         * stringpool.h (string_length): Move out of Stringpool_template.
3639
3640 2010-08-03  Ian Lance Taylor  <iant@google.com>
3641
3642         PR 11712
3643         * layout.cc (relaxation_loop_body): If address of load segment is
3644         set, adjust address to include headers if possible.
3645
3646 2010-08-03  Ian Lance Taylor  <iant@google.com>
3647
3648         * version.cc (version_string): Bump to 1.10.
3649
3650 2010-08-03  Ian Lance Taylor  <iant@google.com>
3651
3652         PR 11805
3653         * layout.h (enum Output_section_order): Define.
3654         (class Layout): Update declarations.
3655         * layout.cc (Layout::get_output_section): Add order parameter.
3656         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3657         is_first_non_relro parameters.  Change all callers.
3658         (Layout::choose_output_section): Likewise.
3659         (Layout::add_output_section_data): Likewise.
3660         (Layout::make_output_section): Likewise.  Set order.
3661         (Layout::default_section_order): New function.
3662         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3663         * output.cc (Output_section::Output_section): Initialize order_.
3664         Don't initialize deleted fields.
3665         (Output_segment::Output_segment): Don't initialize deleted
3666         fields.
3667         (Output_segment::add_output_section_to_load): New function
3668         replacing add_output_section.  Change all callers to call this or
3669         add_output_section_to_nonload.
3670         (Output_segment::add_output_section_to_nonload): New function.
3671         (Output_segment::remove_output_section): Rewrite.
3672         (Output_segment::add_initial_output_data): Likewise.
3673         (Output_segment::has_any_data_sections): Likewise.
3674         (Output_segment::is_first_section_relro): Likewise.
3675         (Output_segment::maximum_alignment): Likewise.
3676         (Output_segment::has_dynamic_reloc): New function replacing
3677         dynamic_reloc_count.  Change all callers.
3678         (Output_segment::has_dynamic_reloc_list): New function replacing
3679         dynamic_reloc_count_list.  Change all callers.
3680         (Output_segment::set_section_addresses): Rewrite.
3681         (Output_segment::set_offset): Rewrite.
3682         (Output_segment::find_first_and_last_list): Remove.
3683         (Output_segment::set_tls_offsets): Rewrite.
3684         (Output_segment::first_section_load_address): Likewise.
3685         (Output_segment::output_section_count): Likewise.
3686         (Output_segment::section_with_lowest_load_address): Likewise.
3687         (Output_segment::write_section_headers): Likewise.
3688         (Output_segment::print_sections_to_map): Likewise.
3689         * output.h (class Output_data): Remove dynamic_reloc_count_
3690         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
3691         (Output_data::add_dynamic_reloc): Rewrite.
3692         (Output_data::has_dynamic_reloc): New function.
3693         (Output_data::dynamic_reloc_count): Remove.
3694         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
3695         is_last_relro_, is_first_non_relro_, is_interp_,
3696         is_dynamic_linker_section_ fields.  Add order and set_order
3697         functions.  Remove is_relro_local, set_is_relro_local,
3698         is_last_relro, set_is_last_relro, is_first_non_relro,
3699         set_is_first_non_relro functions, is_interp, set_is_interp,
3700         is_dynamic_linker_section, and set_is_dynamic_linker_section
3701         functions.
3702         (class Output_segment): Change Output_data_list from std::list to
3703         std:;vector.  Add output_lists_ field.  Remove output_data_ and
3704         output_bss_ fields.  Update declarations.
3705
3706 2010-08-02  Ian Lance Taylor  <iant@google.com>
3707
3708         * arm.cc (Target_arm::gc_process_relocs): Use typename.
3709         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3710         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3711
3712 2010-08-02  Ian Lance Taylor  <iant@google.com>
3713
3714         PR 11855
3715         * script.cc (Script_options::Script_options): Initialize
3716         symbol_definitions_ and symbol_references_.
3717         (Script_options::add_symbol_assignment): Update
3718         symbol_definitions_ and symbol_references_.
3719         (Script_options::add_symbol_reference): New function.
3720         (script_symbol): New function.
3721         * script.h (class Script_options): Add symbol_definitions_ and
3722         symbol_references_ fields.
3723         (Script_options::referenced_const_iterator): New type.
3724         (Script_options::referenced_begin): New function.
3725         (Script_options::referenced_end): New function.
3726         (Script_options::is_referenced): New function.
3727         (Script_options::any_unreferenced): New function.
3728         * script-c.h (script_symbol): Declare.
3729         * yyscript.y (exp): Call script_symbol.
3730         * symtab.cc: Include "script.h".
3731         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3732         Change all callers.  Check symbols referenced by scripts.
3733         (Symbol_table::add_undefined_symbols_from_command_line): Add
3734         layout parameter.  Change all callers.
3735         (Symbol_table::do_add_undefined_symbols_from_command_line):
3736         Likewise.  Break out loop body.  Check symbols referenced by
3737         scripts.
3738         (Symbol_table::add_undefined_symbol_from_command_line): New
3739         function broken out of
3740         do_add_undefined_symbols_from_command_line.
3741         * symtab.h (class Symbol_table): Update declarations.
3742         * archive.cc: Include "layout.h".
3743         (Archive::should_include_member): Add layout parameter.  Change
3744         all callers.  Check for symbol mentioned in expression.
3745         * archive.h (class Archive): Update declaration.
3746         * object.cc (Sized_relobj::do_should_include_member): Add layout
3747         parameter.
3748         * object.h (Object::should_include_member): Add layout parameter.
3749         Change all callers.
3750         (Object::do_should_include_member): Add layout parameter.
3751         (class Sized_relobj): Update declaration.
3752         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3753         parameter.
3754         * dynobj.h (class Sized_dynobj): Update declaration.
3755         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3756         layout parameter.
3757         * plugin.h (class Sized_pluginobj): Update declaration.
3758
3759 2010-08-02  Ian Lance Taylor  <iant@google.com>
3760
3761         PR 11866
3762         * output.cc (Output_segment::set_offset): Search for the first and
3763         last sections rather than assuming that the list is in order.
3764         (Output_segment::find_first_and_last_list): New function.
3765         * output.h (class Output_segment): Update declarations.
3766         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3767         (relro_strip_test_SOURCES): New variable.
3768         (relro_strip_test_DEPENDENCIES): New variable.
3769         (relro_strip_test_LDFLAGS): New variable.
3770         (relro_strip_test_LDADD): New variable.
3771         (relro_strip_test.so): New target.
3772
3773 2010-08-02  Ian Lance Taylor  <iant@google.com>
3774
3775         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3776         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3777         (Target_i386::got_tlsdesc_section): New function.
3778         (Target_i386::got_section): Create space for GOT entries for
3779         TLSDESC relocations.
3780         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3781         R_386_TLS_GOTDESC.
3782         (Target_i386::Scan::global): Likewise.
3783         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3784         using TLSDESC GOT.
3785         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3786         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3787         (Target_x86_64::got_tlsdesc_section): New function.
3788         (Target_x86_64::got_section): Create space for GOT entries for
3789         TLSDESC relocations.
3790         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3791         R_386_TLS_GOTDESC.
3792         (Target_x86_64::Scan::global): Likewise.
3793         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3794         using TLSDESC GOT.
3795
3796 2010-08-02  Ian Lance Taylor  <iant@google.com>
3797
3798         * testsuite/final_layout.sh: Use dc to convert from hex to
3799         decimal.
3800
3801 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
3802
3803         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3804         paramter to the call to gold::gc_process_relocs.
3805         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3806         paramter to the call to gold::gc_process_relocs.
3807         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3808         parameter to the call to gold::gc_process_relocs.
3809         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3810         template parameter to the call to gold::gc_process_relocs.
3811         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3812         paramter to the call to gold::gc_process_relocs.
3813         * gc.h (get_embedded_addend_size): New function.
3814         (gc_process_relocs): Save the size of the reloc for use by ICF.
3815         * icf.cc (get_section_contents): Get the addend from the text section
3816         for SHT_REL relocation sections.
3817         * icf.h (Icf::Reloc_addend_size_info): New typedef.
3818         (Icf::Reloc_info): Add new member reloc_addend_size_info.
3819         * int_encoding.h (read_from_pointer): New overloaded function.
3820         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3821         * testsuite/icf_sht_rel_addend_test.sh: New file.
3822         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3823         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3824
3825 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3826
3827         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3828         * Makefile.in: Regenerate.
3829         * testsuite/Makefile.in: Regenerate.
3830
3831 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
3832
3833         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3834         * gold/testsuite/debug_msg.cc: Likewise.
3835         * gold/testsuite/odr_violation1.cc
3836         * gold/testsuite/odr_violation2.cc
3837
3838 2010-07-21  Cary Coutant  <ccoutant@google.com>
3839
3840         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3841         string, and length fields.
3842         (Output_merge_string::Merged_strings_list): New type.
3843         (Output_merge_string::Merged_strings_lists): New typedef.
3844         (Output_merge_string): Replace merged_strings_ with
3845         merged_strings_lists_.
3846         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3847         Merged_strings_list per input object and section.  Don't store pointer
3848         to the string.  Don't store length with each merged string entry.
3849         (Output_merge_string::finalize_merged_data): Loop over list of merged
3850         strings lists.  Recompute length of each merged string.
3851
3852 2010-07-15  Cary Coutant  <ccoutant@google.com>
3853
3854         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3855         here.
3856
3857 2010-07-14  Ian Lance Taylor  <iant@google.com>
3858
3859         * descriptors.cc (Descriptors::open): Report correct name in error
3860         message.
3861
3862 2010-07-13  Doug Kwan  <dougkwan@google.com>
3863
3864         * arm.cc (Arm_input_section::Arm_input_section): For a
3865         SHT_ARM_EXIDX section, always keeps the input sections.
3866         (Arm_input_section::set_exidx_section_link): New method.
3867         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3868         has_errors_ to false.
3869         (Arm_exidx_input_section::has_errors,
3870         Arm_exidx_input_section::set_has_errors): New methods.
3871         (Arm_exidx_input_section::has_errors_): New data member.
3872         (Arm_relobj::get_exidx_shndx_list): New method.
3873         (Arm_output_section::append_text_sections_to_list): Do not skip
3874         section without SHF_EXECINSTR.
3875         (Arm_output_section::fix_exidx_coverage): Skip input sections with
3876         errors.
3877         (Arm_relobj::make_exidx_input_section): Add new parameter for text
3878         section header.  Make error messages more verbose.  Check for
3879         a non-executable section linked to an EXIDX section.
3880         (Arm_relobj::do_read_symbols): Remove error checking, which has been
3881         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
3882         check that there is no deferred EXIDX section if we exit early.
3883         Instead of not making an EXIDX section in case of an error, make one
3884         and set the has_errors flag of it.
3885         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3886         in a relocatable link.
3887         (Target_arm::do_relax): Look for the EXIDX output section instead of
3888         assuming that it is called .ARM.exidx.
3889         (Target_arm::fix_exidx_coverage): Add a new parameter for input
3890         section list.  Do not check for SHF_EXECINSTR section flags but
3891         skip any input section with errors.
3892         * output.cc (Output_section::Output_section): Initialize
3893         always_keeps_input_sections_ to false.
3894         (Output_section::add_input_section): Check for
3895         always_keeps_input_sections_.
3896         *  output.h (Output_section::always_keeps_input_sections,
3897         Output_section::set_always_keeps_input_sections): New methods.
3898         (Output_section::always_keeps_input_sections): New data member.
3899
3900 2010-07-13  Rafael Espindola  <espindola@google.com>
3901
3902         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3903         * fileread.h (Input_file): Add try_extra_search_path and find_file.
3904
3905 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
3906             Ian Lance Taylor  <iant@google.com>
3907
3908         * output.h (Output_section_lookup_maps::add_merge_section):
3909         Correct check of whether value was inserted.
3910         (Output_section_lookup_maps::add_merge_input_section): Likewise.
3911         (Output_section_lookup_maps::add_relaxed_input_section):
3912         Likewise.
3913         * arm.cc (Target_arm::got_section): Remove used local os.
3914         * i386.cc (Target_i386::got_section): Likewise.
3915         * x86_64.cc (Target_x86_64::got_section): Likewise.
3916         * sparc.cc (Target_sparc::got_section): Likewise.
3917         (Target_sparc::relocate): Remove unused local have_got_offset.
3918         * powerpc.cc (Target_powerpc::relocate): Likewise.
3919
3920 2010-07-13  Ian Lance Taylor  <iant@google.com>
3921
3922         * compressed_output.cc (zlib_decompress): Fix signature in
3923         !HAVE_ZLIB_H case.
3924
3925         * archive.cc (Archive::include_member): Unlock an external member
3926         of a thin archive.  Don't bother to delete an object we know is
3927         NULL.
3928
3929 2010-07-12  Cary Coutant  <ccoutant@google.com>
3930
3931         * compressed_output.cc (zlib_decompress): New function.
3932         (get_uncompressed_size): New function.
3933         (decompress_input_section): New function.
3934         * compressed_output.h (get_uncompressed_size): New function.
3935         (decompress_input_section): New function.
3936         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3937         Handle compressed debug sections.
3938         * layout.cc (is_compressed_debug_section): New function.
3939         (Layout::output_section_name): Map compressed section names to
3940         canonical names.
3941         * layout.h (is_compressed_debug_section): New function.
3942         (is_debug_info_section): Recognize compressed debug sections.
3943         * merge.cc: Include compressed_output.h.
3944         (Output_merge_data::do_add_input_section): Handle compressed
3945         debug sections.
3946         (Output_merge_string::do_add_input_section): Handle compressed
3947         debug sections.
3948         * object.cc: Include compressed_output.h.
3949         (Sized_relobj::Sized_relobj): Initialize new data members.
3950         (build_compressed_section_map): New function.
3951         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3952         * object.h (Object::section_is_compressed): New method.
3953         (Object::do_section_is_compressed): New method.
3954         (Sized_relobj::Compressed_section_map): New type.
3955         (Sized_relobj::do_section_is_compressed): New method.
3956         (Sized_relobj::compressed_sections_): New data member.
3957         * output.cc (Output_section::add_input_section): Handle compressed
3958         debug sections.
3959         * reloc.cc: Include compressed_output.h.
3960         (Sized_relobj::write_sections): Handle compressed debug sections.
3961
3962 2010-07-08  Cary Coutant  <ccoutant@google.com>
3963
3964         * resolve.cc (Symbol_table::resolve): Remember whether undef was
3965         weak when resolving to a dynamic def.
3966         (Symbol_table::should_override): Add adjust_dyndef flag; set it
3967         for weak undef/dynamic def cases. Adjust callers.
3968         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3969         undef_binding_weak_.
3970         (Symbol_table::sized_write_globals): Adjust symbol binding.
3971         (Symbol_table::sized_write_symbol): Add binding parameter.
3972         * symtab.h (Symbol::set_undef_binding): New method.
3973         (Symbol::is_undef_binding_weak): New method.
3974         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3975         (Symbol_table::should_override): Add new parameter.
3976         (Symbol_table::sized_write_symbol): Add new parameter.
3977
3978         * testsuite/weak_undef_file1.cc: Add new test case.
3979         * testsuite/weak_undef_file2.cc: Fix header comment.
3980         * testsuite/weak_undef_test.cc: Add new test case.
3981
3982 2010-06-29  Doug Kwan  <dougkwan@google.com>
3983
3984         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3985         Initialize USE_SYMBOL_.
3986         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3987         definition.
3988         (Arm_reloc_property::uses_symbol_): New data member declaration.
3989         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3990         uses symbol value and symbol is undefined but not weakly undefined.
3991
3992 2010-06-28  Rafael Espindola  <espindola@google.com>
3993
3994         * plugin.cc (Plugin::load): Use dlerror.
3995
3996 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
3997
3998         * symtab.cc (detect_odr_violations): When reporting an ODR
3999         violation, report an object where the symbol is defined.
4000
4001 2010-06-25  Doug Kwan  <dougkwan@google.com>
4002
4003         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4004         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4005         definition.
4006         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4007         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4008         target hook to detect function points.
4009         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4010         * icf.h (Icf::check_section_for_function_pointers): Change type of
4011         parameter SECTION_NAME to const reference to std::string.  Use
4012         target hook to determine if section may have unsafe pointers.
4013         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4014         method definition.
4015
4016 2010-06-21  Rafael Espindola  <espindola@google.com>
4017
4018         * fileread.cc (Input_file::find_fie): New
4019         (Input_file::open): Use Input_file::find_fie.
4020         * fileread.h (Input_file::find_fie): New
4021         * plugin.cc (set_extra_library_path): New.
4022         (Plugin::load): Add set_extra_library_path to the transfer vector.
4023         (Plugin_manager::set_extra_library_path): New.
4024         (Plugin_manager::add_input_file): Use the extra search path if set.
4025         (set_extra_library_path(): New.
4026         * plugin.h (Plugin_manager): Add set_extra_library_path and
4027         extra_search_path_.
4028
4029 2010-06-19  Cary Coutant  <ccoutant@google.com>
4030
4031         * layout.cc (gdb_sections): Add .debug_types.
4032         (lines_only_debug_sections): Likewise.
4033
4034 2010-06-18  Rafael Espindola  <espindola@google.com>
4035
4036         * plugin.cc (add_input_file,add_input_library)
4037         (Plugin_manager::add_input_file): Make filename arguments const.
4038         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4039         const.
4040
4041 2010-06-16  Doug Kwan  <dougkwan@google.com>
4042
4043         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4044         .ARM.attributes section if we have not merged any input
4045         attributes sections.
4046
4047 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4048
4049         * arm.cc: Allow combining objects with no EABI version
4050         information.
4051
4052 2010-06-15  Rafael Espindola  <espindola@google.com>
4053
4054         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4055
4056 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4057
4058         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4059         (struct iovec): Correct !HAVE_READV definition.
4060
4061 2010-06-10  Cary Coutant  <ccoutant@google.com>
4062
4063         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4064         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4065         reloc sections.
4066         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4067
4068         PR 11683
4069         * symtab.h (Symbol::is_placeholder): New member function.
4070         * target-reloc.h (relocate_section): Check for placeholder symbols.
4071
4072         * testsuite/Makefile.am (plugin_test_8): New test.
4073         (plugin_test_9): New test.
4074         * testsuite/Makefile.in: Regenerate.
4075
4076 2010-06-09  Nick Clifton  <nickc@redhat.com>
4077
4078         * yyscript.y (input_list_element): Allow strings prefixed with
4079         the '-' character.  Treat these as libraries.
4080         * script.cc (script_add_library): New function.  Adds a library
4081         specified by "-l<name>" found in an input script.
4082         * script-c.h: Add prototype for script_add_library.
4083
4084 2010-06-07  Doug Kwan  <dougkwan@google.com>
4085
4086         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4087         Restrict stub-group size to be within long conditional branch
4088         range when working around cortex-A8 erratum.
4089
4090 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4091
4092         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4093         #ifdef typo.
4094
4095 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4096
4097         PR gold/11658
4098         * output.cc
4099         (Output_section::Input_section_sort_entry::compare_section_ordering):
4100         Change to return non-zero correctly.
4101         (Output_section::Input_section_sort_section_order_index_compare
4102         ::operator()): Change to fix ambiguity in comparisons.
4103
4104 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4105
4106         * gold.h (is_wildcard_string): New function.
4107         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4108         (Layout::layout_eh_frame): Ditto.
4109         (Layout::find_section_order_index): New method.
4110         (Layout::read_layout_from_file): New method.
4111         * layout.h (Layout::find_section_order_index): New method.
4112         (Layout::read_layout_from_file): New method.
4113         (Layout::input_section_position_): New private member.
4114         (Layout::input_section_glob_): New private member.
4115         * main.cc (main): Call read_layout_from_file here.
4116         * options.h (--section-ordering-file): New option.
4117         * output.cc (Output_section::input_section_order_specified_): New
4118         member.
4119         (Output_section::Output_section): Initialize new member.
4120         (Output_section::add_input_section): Add new parameter.
4121         Keep input sections when --section-ordering-file is used.
4122         (Output_section::set_final_data_size): Sort input sections when
4123         section ordering file is specified.
4124         (Output_section::Input_section_sort_entry): Add new parameter.
4125         Check sorting type.
4126         (Output_section::Input_section_sort_entry::compare_section_ordering):
4127         New method.
4128         (Output_section::Input_section_sort_compare::operator()): Change to
4129         consider section_order_index.
4130         (Output_section::Input_section_sort_init_fini_compare::operator()):
4131         Change to consider section_order_index.
4132         (Output_section::Input_section_sort_section_order_index_compare
4133         ::operator()): New method.
4134         (Output_section::sort_attached_input_sections): Change to sort
4135         according to section order when specified.
4136         (Output_section::add_input_section<32, true>): Add new parameter.
4137         (Output_section::add_input_section<64, true>): Add new parameter.
4138         (Output_section::add_input_section<32, false>): Add new parameter.
4139         (Output_section::add_input_section<64, false>): Add new parameter.
4140         * output.h (Output_section::add_input_section): Add new parameter.
4141         (Output_section::input_section_order_specified): New
4142         method.
4143         (Output_section::set_input_section_order_specified): New method.
4144         (Input_section::Input_section): Initialize section_order_index_.
4145         (Input_section::section_order_index): New method.
4146         (Input_section::set_section_order_index): New method.
4147         (Input_section::section_order_index_): New member.
4148         (Input_section::Input_section_sort_section_order_index_compare): New
4149         struct.
4150         (Output_section::input_section_order_specified_): New member.
4151         * script-sections.cc (is_wildcard_string): Delete and move modified
4152         method to gold.h.
4153         (Output_section_element_input::Output_section_element_input): Modify
4154         call to is_wildcard_string.
4155         (Output_section_element_input::Input_section_pattern
4156         ::Input_section_pattern): Ditto.
4157         (Output_section_element_input::Output_section_element_input): Ditto.
4158         * testsuite/Makefile.am (final_layout): New test case.
4159         * testsuite/Makefile.in: Regenerate.
4160         * testsuite/final_layout.cc: New file.
4161         * testsuite/final_layout.sh: New file.
4162
4163 2010-06-01  Rafael Espindola  <espindola@google.com>
4164
4165         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4166
4167 2010-06-01  Rafael Espindola  <espindola@google.com>
4168
4169         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4170         visibility of symbols.
4171
4172 2010-05-27  Doug Kwan  <dougkwan@google.com>
4173
4174         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4175         from start of output section instead of address for a local symbol
4176         in a merged or relaxed section when doing a relocatable link.
4177
4178 2010-05-26  Rafael Espindola  <espindola@google.com>
4179
4180        PR 11604
4181         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4182         adding sections the garbage collector removed.
4183         * gold/testsuite/Makefile.am: Add test.
4184         * gold/testsuite/Makefile.in: Regenerate.
4185         * gold/testsuite/plugin_test_7.sh: New.
4186         * gold/testsuite/plugin_test_7_1.c: New.
4187         * gold/testsuite/plugin_test_7_2.c: New.
4188
4189 2010-05-26  Rafael Espindola  <espindola@google.com>
4190
4191         * script-sections.cc (Output_section_definition::set_section_addresses):
4192         Check for --section-start.
4193
4194 2010-05-26  Doug Kwan  <dougkwan@google.com>
4195
4196         * arm.cc (Arm_scan_relocatable_relocs): New class.
4197         (Target_arm::relocate_special_relocatable): New method.
4198         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4199         (Arm_relocate_functions::thumb_branch_common): Same.
4200         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4201         instead of Default_scan_relocatable_relocs.
4202         * target-reloc.h (relocate_for_relocatable): Let target handle
4203         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4204         * target.h (Sized_target::relocate_special_relocatable): New method.
4205
4206 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4207
4208         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4209
4210 2010-05-23  Doug Kwan  <dougkwan@google.com>
4211
4212         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4213         instead of a cast.
4214         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4215         with a direct branch, not a conditional branch, to a stub.
4216         * merge.cc (Output_merge_base::record_input_section): New method
4217         defintion.
4218         (Output_merge_data::do_add_input_section): Record input section if
4219         keeps-input-sections flag is set.
4220         (Output_merge_string::do_add_input_section): Ditto.
4221         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4222         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4223         INPUT_SECTIONS_.
4224         (Output_merge_base::keeps_input_sections,
4225         Output_merge_base::set_keeps_input_sections,
4226         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4227         method definitions.
4228         (Output_merge_base::Input_sections): New type declaration.
4229         (Output_merge_base::input_sections_begin,
4230         Output_merge_base::input_sections_end,
4231         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4232         (Output_merge_base::bool keeps_input_sections_,
4233         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4234         Output_merge_base::input_sections_): New data members.
4235         (Output_merge_data::do_set_keeps_input_sections): New method
4236         defintion.
4237         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4238         * output.cc (Output_section::Input_section::relobj): Move method
4239         defintion from class declaration to here and handle merge sections.
4240         (Output_section::Input_section::shndx): Ditto.
4241         (Output_section::Output_section): Remove initializations of removed
4242         data members and initialize new data member LOOKUP_MAPS_.
4243         (Output_section::add_input_section): Set keeps-input-sections flag
4244         for a newly created merge output section as appropriate.  Adjust code
4245         to use Output_section_lookup_maps class.
4246         (Output_section::add_relaxed_input_section): Adjst code for lookup
4247         maps code refactoring.
4248         (Output_section::add_merge_input_section): Add a new parameter
4249         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4250         class.  If adding input section to a newly created merge output
4251         section fails, remove the new merge section.
4252         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4253         Adjust code for use of the Output_section_lookup_maps class.
4254         (Output_section::find_merge_section): Ditto.
4255         (Output_section::build_lookup_maps): New method defintion.
4256         (Output_section::find_relaxed_input_section): Adjust code to use
4257         Output_section_lookup_maps class.
4258         (Output_section::get_input_sections): Export merge sections.  Adjust
4259         code to use Output_section_lookup_maps class.
4260         (Output_section:::add_script_input_section): Adjust code to use
4261         Output_section_lookup_maps class.  Update lookup maps for merge
4262         sections also.
4263         (Output_section::discard_states): Use Output_section_lookup_maps.
4264         (Output_section::restore_states): Same.
4265         * output.h (Merge_section_properties): Move class defintion out of
4266         Output_section.
4267         (Output_section_lookup_maps): New class.
4268         (Output_section::Input_section::is_merge_section): New method
4269         defintion.
4270         (Output_section::Input_section::relobj): Move defintion out of class
4271         defintion.  Declare method only.
4272         (Output_section::Input_section::shndx): Ditto.
4273         (Output_section::Input_section::output_merge_base): New method defintion.
4274         (Output_section::Input_section::u2_.pomb): New union field.
4275         (Output_section::Merge_section_by_properties_map,
4276         Output_section::Output_section_data_by_input_section_map,
4277         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4278         Remove types.
4279         (Output_section::add_merge_input_section): Add new parameter
4280         KEEPS_INPUT_SECTIONS.
4281         (Output_section::build_lookup_maps): New method declaration.
4282         (Output_section::merge_section_map_,
4283         Output_section::merge_section_by_properties_map_,
4284         Output_section::relaxed_input_section_map_,
4285         Output_section::is_relaxed_input_section_map_valid_): Remove data
4286         members.
4287         (Output_section::lookup_maps_): New data member.
4288
4289 2010-05-21  Doug Kwan  <dougkwan@google.com>
4290
4291         PR gold/11619
4292         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4293         avoid a compilation error.
4294
4295 2010-05-19  Rafael Espindola  <espindola@google.com>
4296
4297         * script-sections.cc (Output_section_definition::allocate_to_segment):
4298         Update the phdrs_list even when the output section is NULL.
4299         * testsuite/Makefile.am: Add test.
4300         * testsuite/Makefile.in: Regenerate.
4301         * testsuite/script_test_9.cc: New.
4302         * testsuite/script_test_9.sh: New.
4303         * testsuite/script_test_9.t: New.
4304
4305 2010-05-19  Doug Kwan  <dougkwan@google.com>
4306
4307         * arm.cc (Arm_input_section::original_size): New method.
4308         (Arm_input_section::do_addralign): Add a cast.
4309         (Arm_input_section::do_output_offset): Remove static cast.
4310         (Arm_input_section::original_addralign,
4311          Arm_input_section::original_size_): Change type to uint32_t.
4312         (Arm_input_section::init): Add safe casts for section alignment
4313         and size.
4314         (Arm_input_section::set_final_data_size): Do not set address and
4315         offset of stub table.
4316         (Arm_output_section::fix_exidx_coverage): Change use of of
4317         Output_section::Simple_input_section to that of
4318         Output_section::Input_section.
4319         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4320         except for the first pass.
4321         * output.cc (Output_section::get_input_sections): Change type of
4322         input_sections to std::list<Input_section>.
4323         (Output_section::add_script_input_section): Rename from
4324         Output_section::add_simple_input_section.  Change type of SIS
4325         parameter from Simple_input_section to Input_section.
4326         * output.h (Output_section::Simple_input_section): Remove class.
4327         (Output_section::Input_section): Change class visibility to public.
4328         (Output_section::Input_section::addralign): Use stored alignments
4329         for special input sections if set.
4330         (Output_section::Input_section::set_addralign): New method.
4331         (Output_section::get_input_sections): Change parameter type from
4332         list of Simple_input_section to list of Input_section.
4333         (Output_section::add_script_input_section): Rename from
4334         Output_section::add_simple_input_section. Change first parameter's
4335         type from Simple_input_section to Input_section and remove the
4336         second and third parameters.
4337         * script-sections.cc (Input_section::Input_section_list): Change
4338         type to list of Output_section::Input_section/
4339         (Input_section_info::Input_section_info): Change parameter type of
4340         INPUT_SECTION to Output_section::Input_section.
4341         (Input_section_info::input_section): Change return type.
4342         (Input_section_info::input_section_): Change type to
4343         Output_section::Input_section.
4344         (Output_section_element_input::set_section_addresses): Adjust code
4345         to use Output_section::Input_section instead of
4346         Output_section::Simple_input_section.  Adjust code for renaming
4347         of Output_section::add_simple_input_section.
4348         (Orphan_output_section::set_section_addresses): Ditto.
4349
4350 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4351
4352         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4353         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4354
4355 2010-05-18  Rafael Espindola  <espindola@google.com>
4356
4357         * options.cc (General_options::finalize): Handle -nostdlib.
4358         * options.h (nostdlib): New option.
4359         * script.cc (script_add_search_dir): Handle -nostdlib.
4360
4361 2010-05-12  Doug Kwan  <dougkwan@google.com>
4362
4363         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4364         attributes section only if there no attributes section after merging.
4365         (Target_arm::merge_object_attributes): Move value of
4366         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4367         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4368         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4369         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4370         and arm_attr_merge_7.stdout.
4371         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4372         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4373         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4374         arm_attr_merge_7b.o): New rules.
4375         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4376         arm_attr_merge_7
4377         * testsuite/Makefile.in: Regenerate.
4378         * testsuite/arm_attr_merge.sh: New file.
4379         * testsuite/arm_attr_merge_[67][ab].s: Same.
4380
4381 2010-05-05  Nick Clifton  <nickc@redhat.com>
4382
4383         * po/es.po: Updated Spanish translation.
4384
4385 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4386
4387         * Makefile.am (install-exec-local): Properly install gold as
4388         default cross linker.
4389         * Makefile.in: Regenerated.
4390
4391 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4392             Nick Clifton  <nickc@redhat.com>
4393
4394         * configure.ac (install_as_default): Define and set to false
4395         unless --enable-gold or --enable-gold=both/gold has been
4396         specified.
4397         * configure: Regenerate.
4398
4399         * Makefile.am (install-exec-local): Install the executable as
4400         'ld.gold'.  If install_as_default is true then also install it as
4401         'ld'.
4402         * Makefile.in: Regenerated.
4403
4404 2010-04-24  Ian Lance Taylor  <iant@google.com>
4405
4406         * layout.cc (Layout::layout_reloc): In relocatable link don't
4407         combine reloc sections for grouped sections.
4408
4409 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4410
4411         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4412         sections that are not ordinary to icf.
4413         * icf.cc (get_section_contents): Handle relocation pointing to section
4414         with no object or shndx information.
4415         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4416         * testsuite/Makefile.in: Regenerate.
4417         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4418         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4419
4420 2010-04-22  Ian Lance Taylor  <iant@google.com>
4421
4422         * expression.cc (Expression::Expression_eval_info): Add
4423         result_alignment_pointer field.
4424         (Expression::eval_with_dot): Add result_alignment_pointer
4425         parameter.  Change all callers.
4426         (Expression::eval_maybe_dot): Likewise.
4427         (class Binary_expression): Add alignment_pointer parameter to
4428         left_value and right_value.  Change all callers.
4429         (BINARY_EXPRESSION): Set result alignment.
4430         (class Trinary_expression): Add alignment_pointer parameter to
4431         arg2_value and arg3_value.  Change all callers.
4432         (Trinary_cond::value): Set result alignment.
4433         (Max_expression::value, Min_expression::value): Likewise.
4434         (Align_expression::value): Likewise.
4435         * script-sections.cc (class Sections_element): Add dot_alignment
4436         parameter to set_section_addresses virtual function.  Update
4437         instantiations.
4438         (class Output_section_element): Likewise.
4439         (Script_sections::create_segments): Add dot_alignment parameter.
4440         Change all callers.
4441         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4442         (Script_sections::set_phdrs_clause_addresses): Likewise.
4443         * script-sections.h: Update declarations.
4444         * script.h: Update declarations.
4445         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4446         min_p_align.
4447         * testsuite/script_test_3.t: Set large alignment.
4448         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4449         segment has expected alignment.
4450
4451 2010-04-22  Nick Clifton  <nickc@redhat.com>
4452
4453         * po/gold.pot: Updated by the Translation project.
4454         * po/vi.po: Updated Vietnamese translation.
4455
4456 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4457
4458         * testsuite/Makefile.am (check_PROGRAMS): Add
4459         icf_virtual_function_folding_test.
4460         * testsuite/Makefile.in: Regenerated.
4461
4462 2010-04-15  Andrew Haley  <aph@redhat.com>
4463
4464         * options.h (merge_exidx_entries): New option.
4465         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4466         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4467         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4468         (Target_arm::merge_exidx_entries): New function.
4469         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4470         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4471         to Arm_exidx_fixup constructor.
4472         Add new arg, merge_exidx_entries.
4473         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4474         Arm_output_section::fix_exidx_coverage.
4475
4476 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4477
4478         * icf.cc (get_section_contents): Check for preemptible functions.
4479         Ignore addend when appropriate.
4480         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4481         section folded.
4482         (add_from_relobj): Check for section folded.
4483         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4484         * symtab.h (should_add_dynsym_entry): Add new parameter.
4485         * target-reloc.h (scan_relocs): Check for section folded.
4486         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4487         Check reloc types for function pointers in shared objects.
4488         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4489         case.
4490         (icf_preemptible_functions_test): New test case.
4491         (icf_string_merge_test): New test case.
4492         * testsuite.Makefile.in: Regenerate.
4493         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4494         bar_glob.  Refactor code.
4495         * testsuite/icf_preemptible_functions_test.cc: New file.
4496         * testsuite/icf_preemptible_functions_test.sh: New file.
4497         * testsuite/icf_string_merge_test.cc: New file.
4498         * testsuite/icf_string_merge_test.sh: New file.
4499         * testsuite/icf_virtual_function_folding_test.cc: New file.
4500         * testsuite/icf_virtual_function_folding_test.sh: New file.
4501
4502 2010-04-14  Doug Kwan  <dougkwan@google.com>
4503
4504         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4505         for local symbol recounting if we remove a section due to ICF.
4506         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4507         there are no regular objects in input.
4508
4509 2010-04-13  Doug Kwan  <dougkwan@google.com>
4510
4511         * arm.cc (Arm_input_section::set_final_data_size): Compute
4512         accurate final data size instead of using current data size.
4513
4514 2010-04-09  Doug Kwan  <dougkwan@google.com>
4515
4516         * layout.cc (Layout::choose_output_section): Handle script section
4517         types.
4518         (Layout::make_output_section_for_script): Add section type parameter.
4519         Handle script section types.
4520         * layout.h (Layout::make_output_section_for_script): Add section
4521         type parameter.
4522         * output.cc (Output_section::Output_section): Initialize data member
4523         is_noload_.
4524         (Output_section::do_reset_address_and_file_offset): Do not set address
4525         to 0 if section is a NOLOAD section.
4526         * output.h (Output_section::is_noload): New method.
4527         (Output_section::set_is_noload): Ditto.
4528         (Output_section::is_noload_): New data member.
4529         * script-c.h (Script_section_type): New enum type.
4530         (struct Parser_output_section_header): Add new file section_type.
4531         * script-sections.cc (Sections_element::output_section_name): Add
4532         parameter for returning script section type.
4533         (Output_section_definition::output_section_name): Ditto.
4534         (Output_section_definition::section_type)P; New method.
4535         (Output_section_definiton::script_section_type_name): Ditto.
4536         (Output_section_definition::script_section_type_): New data member.
4537         (Output_section_definition::Output_section_definition): Initialize
4538         data member Output_section_definition::script_section_type_.
4539         (Output_section_definition::create_sections): Pass script section type
4540         to Layout::make_output_section_for_script.
4541         (Output_section_definition::output_section_name): Return script
4542         section type to caller.
4543         (Output_section_definition::set_section_address): Do not advance
4544         dot value and load address if section type is NOLOAD.  Set address
4545         of NOLOAD sections regardless of section flags.
4546         (Output_section_definition::print): Print section type if it is
4547         not SCRIPT_SECTION_TYPE_NONE.
4548         (Output_section_definition::section_type): New method.
4549         (Output_section_definition::script_section_type_name): Ditto.
4550         (Script_sections::output_section_name): Add new parameter
4551         PSECTION_TYPE for returning script section type.  Pass it to
4552         section elements.  Handle discard sections.
4553         (Sort_output_sections::operator()): Handle NOLOAD sections.
4554         * script-sections.h (Script_sections::Section_type): New enum type.
4555         (Script_sections::output_section_name): Add a new parameter for
4556         returning script section type.
4557         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4558         INFO and NOLOAD.
4559         * yyscript.y (union): Add new field SECTION_TYPE.
4560         (COPY, DSECT, INFO, NOLOAD): New tokens.
4561         (opt_address_and_section_type): Change type to output_section_header.
4562         (section_type): New non-terminal
4563         (section_header): Handle section type.
4564         (opt_address_and_section_type): Return section type value.
4565
4566 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4567
4568         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4569         * testsuite/plugin_common_test_2.c (foo): Likewise.
4570
4571 2010-04-08  Doug Kwan  <dougkwan@google.com>
4572
4573         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4574         Output_merge_data.
4575         * output.cc (Output_section::add_merge_input_section): Simplify
4576         code and return status of Output_merge_base::add_input_section.
4577         Update merge section map only if Output_merge_base::add_input_section
4578         returns true.
4579
4580 2010-04-07  Doug Kwan  <dougkwan@google.com>
4581
4582         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4583         if section is marked as containing instructions but has no mapping
4584         symbols.
4585         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4586         correct section index.
4587         (Arm_relobj::find_linked_text_section): Ditto.
4588
4589 2010-04-07  Cary Coutant  <ccoutant@google.com>
4590
4591         * archive.cc (include_member): Destroy Read_symbols_data object before
4592         releasing file.
4593         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4594         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4595         (Read_symbols_data::~Read_symbols_data) New destructor.
4596         (Section_relocs::Section_relocs) New constructor.
4597         (Section_relocs::~Section_relocs) New destructor.
4598         (Read_relocs_data::Read_relocs_data) New constructor.
4599         (Read_relocs_data::~Read_relocs_data) New destructor.
4600         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4601         pointers to NULL after deleting.
4602
4603 2010-04-07  Doug Kwan  <dougkwan@google.com>
4604
4605         * arm.cc: Replace "endianity" with "endianness" in comments.
4606         (Arm_exidx_cantunwind): Ditto.
4607         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4608         (Arm_relobj::merge_flags_and_attributes): New method.
4609         (Arm_relobj::merge_flags_and_attributes_): New data member.
4610         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4611         (Arm_relobj::scan_sections_for_stubs): Ditto.
4612         (Arm_relobj::do_read_symbols): Check to see if we really want to
4613         merge processor-specific flags and attributes.  Exit early if
4614         an object is empty except for section names and the undefined symbol.
4615         (Target_arm::do_finalize_sections): Move check for ELF format to
4616         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4617         attributes from a regular object only when we have determined that
4618         it is aapropriate.  Do not create an .ARM.attributes section in
4619         output if there is no regular input object.
4620         (Target_arm::merge_processor_specific_flags): Check
4621         --warn-mismatch before printing any error.
4622         (Target_arm::merge_object_attributes): Ditto.
4623         * gold.cc (queue_middle_tasks): Handle the case in which there is
4624         no regular object in input.
4625         * options.cc (General_options::parse_EB): New method.
4626         (General_options::parse_EL): Same.
4627         (General_options::General_options): Initialize endianness_.
4628         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4629         New options.
4630         (General_options::Endianness): New enum.
4631         (General_options::endianness): New method.
4632         (General_options::endianness_): New data member.
4633         * parameters.cc (Parameters::set_options): Check target endianness.
4634         (Parameters::set_target_once): Ditto.
4635         (Parameters::check_target_endianness): New method.
4636         (parameters_force_valid_target): If either -EL or -EB is specified,
4637         use it to define endianness of default target.
4638         * parameters.h (Parameters::check_target_endianness): New method
4639         declaration.
4640         * target.h (class Target): Change "endianity" to "endianness"
4641         in comments.
4642
4643 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4644
4645         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4646         * configure: Regenerate.
4647         * Makefile.in: Regenerate.
4648         * testsuite/Makefile.in: Regenerate.
4649
4650 2010-04-06  Cary Coutant  <ccoutant@google.com>
4651
4652         gcc PR lto/42757
4653         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4654         prevailing definitions of common symbols.
4655         * testsuite/plugin_test_6.sh: New test case.
4656         * testsuite/plugin_common_test_1.c: New test case.
4657         * testsuite/plugin_common_test_2.c: New test case.
4658         * testsuite/Makefile.am (plugin_test_6): New test case.
4659         * testsuite/Makefile.in: Regenerate.
4660
4661 2010-04-06  Nick Clifton  <nickc@redhat.com>
4662
4663         * po/vi.po: New Vietnamese translation.
4664
4665 2010-03-30  Doug Kwan  <dougkwan@google.com>
4666
4667         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4668
4669 2010-03-25  Doug Kwan  <dougkwan@google.com>
4670
4671         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4672         to avoid a conversion warning on a 32-bit host.
4673
4674 2010-03-24  Ian Lance Taylor  <iant@google.com>
4675
4676         * testsuite/script_test_3.t: Add a TLS segment.
4677         * testsuite/Makefile.am (check_PROGRAMS): Add
4678         tls_phdrs_script_test.
4679         (tls_phdrs_script_test_SOURCES): Define.
4680         (tls_phdrs_script_test_DEPENDENCIES): Define.
4681         (tls_phdrs_script_test_LDFLAGS): Define.
4682         (tls_phdrs_script_test_LDADD): Define.
4683         * testsuite/Makefile.in: Rebuild.
4684
4685 2010-03-23  Cary Coutant  <ccoutant@google.com>
4686
4687         * fileread.cc (find_or_make_view): Fix comment.
4688
4689 2010-03-23  Ian Lance Taylor  <iant@google.com>
4690
4691         * script-sections.cc (class Orphan_section_placement): Define
4692         PLACE_TLS and PLACE_TLS_BSS.
4693         (Orphan_section_placement::Orphan_section_placement): Initialize
4694         new places.
4695         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4696         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4697         (tls_script_test_SOURCES): Define.
4698         (tls_script_test_DEPENDENCIES): Define.
4699         (tls_script_test_LDFLAGS): Define.
4700         (tls_script_test_LDADD): Define.
4701         * testsuite/Makefile.in: Rebuild.
4702
4703 2010-03-22  Doug Kwan  <dougkwan@google.com>
4704
4705         * arm.cc (Arm_relocate_functions::abs8,
4706         Arm_relocate_functions::abs16): Use correct check for overflow
4707         specified in the ARM ELF specs.
4708         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
4709         target of a BLX instruction specially.
4710         (Reloc_stub::stub_type_for_reloc): Ditto.
4711         (Relocate::relocate): Use symbolic names instead of numeric relocation
4712         codes to report error.
4713         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4714         workaround.
4715         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4716         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4717         thumb2_blx_out_of_range.stdout
4718         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4719         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4720         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4721         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4722         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4723         thumb2_blx_in_range, thumb2_blx_in_range.o,
4724         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4725         thumb2_blx_out_of_range.o): New rules.
4726         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4727         thumb2_blx_in_range and thumb2_blx_out_of_range.
4728         * testsuite/Makefile.in: Regenerate.
4729         * arm_branch_in_range.sh: Add tests for THUMB BLX.
4730         * testsuite/thumb_blx_in_range.s: New file.
4731         * testsuite/thumb_blx_out_of_range.s: New file.
4732
4733 2010-03-22  Rafael Espindola  <espindola@google.com>
4734
4735         * archive.cc (Should_include): Move to archive.h.
4736         (should_include_member): Make it a member of Archive.
4737         (Lib_group): New.
4738         (Add_lib_group_symbols): New.
4739         * archive.h: Include options.h.
4740         (Archive_member): Moved from Archive.
4741         (Should_include): Moved from archive.cc.
4742         (Lib_group): New.
4743         (Add_lib_group_symbols): New.
4744         * dynobj.cc (do_should_include_member): New.
4745         * dynobj.h (do_should_include_member): New.
4746         * gold.cc (queue_initial_tasks): Update call to queue.
4747         * main.cc (main): Print lib group stats.
4748         * object.cc (do_should_include_member): New.
4749         * object.h: Include archive.h.
4750         (Object::should_include_member): New.
4751         (Object::do_should_include_member): New.
4752         (Sized_relobj::do_should_include_member): New.
4753         * options.cc (General_options::parse_start_lib): New.
4754         (General_options::parse_end_lib): New.
4755         (Input_arguments::add_file): Handle lib groups.
4756         (Input_arguments::start_group): Check we are not in a lib.
4757         (Input_arguments::start_lib): New.
4758         (Input_arguments::end_lib): New.
4759         * options.h (General_options): Add start_lib and end_lib.
4760         (Input_argument::lib_): New.
4761         (Input_argument::lib): New.
4762         (Input_argument::is_lib): New.
4763         (Input_file_lib): New.
4764         (Input_arguments::in_lib_): New.
4765         (Input_arguments::in_lib): New.
4766         (Input_arguments::start_lib): New.
4767         (Input_arguments::end_lib_): New.
4768         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4769         in unused members as preempted.
4770         (Sized_pluginobj::do_should_include_member): New.
4771         * plugin.h (Sized_pluginobj::do_should_include_member): New.
4772         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4773         return the blocker.
4774         (Read_symbols::do_whole_lib_group): New.
4775         (Read_symbols::do_lib_group): New.
4776         (Read_symbols::do_read_symbols): Handle lib groups.
4777         (Read_symbols::get_name): Handle lib groups.
4778         * readsyms.h (Read_symbols): Add an archive member pointer.
4779         (Read_symbols::do_whole_lib_group): New.
4780         (Read_symbols::do_lib_group): New.
4781         (Read_symbols::member_): New.
4782         * script.cc (read_input_script): Update call to queue_soon.
4783
4784 2010-03-19  Doug Kwan  <dougkwan@google.com>
4785
4786         * arm.cc (Stub_table::Stub_table): Initialize new data members
4787         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4788         (Stub_table::add_reloc_stub): Assign stub offset and update
4789         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4790         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4791         New data members.
4792         (Stub_table::update_data_size_and_addralign): Use
4793         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4794         instead of going over all reloc stubs.
4795         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4796         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4797         Stringpool_template::offset_ to size of Stringpool_char.
4798         (Stringpool_template::new_key_offset): Remove code to initialize
4799         Stringpool_template::offset_.
4800         * stringpool.h (Stringpool_template::set_no_zero_null): Set
4801         Stringpool_template::offset_ to zero.
4802
4803 2010-03-15  Doug Kwan  <dougkwan@google.com>
4804
4805         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4806         offset_.
4807         (Stringpool_template::new_key_offset): New method.
4808         (Stringpool_template::add_string): Assign offsets when adding new
4809         strings.
4810         (Stringpool_template::set_string_offsets): Do not set string offsets
4811         when not optimizing.
4812         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4813         member size_.
4814         (Chunked_vector::clear): Clear size_.
4815         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4816         (Chunked_vector::size): Return size_.
4817         (Chunked_vector::push_back): Use size_ to find insert position.
4818         (Chunked_vector::size_): New data member.
4819         (Stringpool_template::set_no_zero_null): Assert string set is empty.
4820         (Stringpool_template::new_key_offset): New method declaration.
4821         (Stringpool_template::offset_): New data member.
4822
4823 2010-03-15   Rafael Espindola  <espindola@google.com>
4824
4825         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4826         Add_symbols' constructor.
4827         * readsyms.h (Add_symbols): Remove the input_group member.
4828
4829 2010-03-10  Ian Lance Taylor  <iant@google.com>
4830
4831         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4832         target to ask whether a reference to a symbol requires a stack
4833         split.
4834         * target.h (Target::is_call_to_non_split): New function.
4835         (Target::do_is_call_to_non_split): Declare virtual function.
4836         * target.cc: Include "symtab.h".
4837         (Target::do_is_call_to_non_split): New function.
4838         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4839
4840 2010-03-10  Cary Coutant  <ccoutant@google.com>
4841
4842         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4843         (File_read::open[1]): Remove initial mapping of whole_file_view_.
4844         (File_read::open[2]): Add whole_file_view_ to list of views.
4845         (File_read::make_view): Remove test of whole_file_view_.
4846         (File_read::find_or_make_view): Create whole_file_view_ if
4847         necessary.
4848         (File_read::clear_views): Replace bool parameter with enum;
4849         adjust all callers.  Don't delete views with permanent data;
4850         do delete cached views and views from archives if
4851         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
4852         if clearing the corresponding view.
4853         * fileread.h (File_read::Clear_views_mode): New enum.
4854         (File_read::View::is_permanent_view): New method.
4855         (File_read::clear_views): Replace bool parameter
4856         with enum; adjust all callers.
4857         * options.h (General_options): Change keep_files_mapped option;
4858         add map_whole_files.
4859         * readsyms.cc (Add_symbols::run): Delete sd_ object before
4860         releasing the file.
4861         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4862         the file.
4863
4864 2010-03-10  David S. Miller  <davem@davemloft.net>
4865
4866         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4867
4868 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
4869
4870         * icf.cc (get_section_contents): Add '@' marker after processing the
4871         merge reloc.
4872
4873 2010-03-08  Doug Kwan  <dougkwan@google.com>
4874
4875         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4876         due to a conversion warning.
4877         (Arm_relobj::update_output_local_symbol_count): Check for local
4878         symbol with unset output index.
4879
4880 2010-03-05  Ian Lance Taylor  <iant@google.com>
4881
4882         * options.h (class General_options): Add --spare-dynamic-tags.
4883         * output.cc (Output_data_dynamic::set_final_data_size): Implement
4884         --spare-dynamic-tags.
4885
4886 2010-03-05  Ian Lance Taylor  <iant@google.com>
4887
4888         * incremental.cc: Include "libiberty.h".
4889
4890 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
4891
4892         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4893         function, is_info_ member.
4894         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4895         (Versions::Versions): Update caller.
4896         (Versions::define_base_version): Likewise.
4897         (Versions::add_def): Likewise.
4898
4899 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
4900
4901         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4902         (Scan::possible_function_pointer_reloc): New function.
4903         (Scan::local_reloc_may_be_function_pointer): Change to call
4904         possible_function_pointer_reloc.
4905         (Scan::global_reloc_may_be_function_pointer): Ditto.
4906         * icf.h (Icf::check_section_for_function_pointers): Change to reject
4907         relocations in ".data.rel.ro._ZTV" section.
4908         * testsuite/icf_safe_so_test.sh: Change to pass i386.
4909         * testsuite/icf_safe_so_test.cc: Ditto.
4910         * testsuite/icf_safe_test.cc: Ditto.
4911         * testsuite/icf_safe_test.sh: Ditto.
4912
4913 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4914             Ian Lance Taylor  <iant@google.com>
4915
4916         * target-reloc.h (relocate_section): Check the symbol table index
4917         for -1U before setting the local symbol index.
4918         (scan_relocatable_relocs): If copying the relocation, record that
4919         the local symbol is required.
4920         * object.h (Symbol_value::is_output_symtab_index_set): New
4921         function.
4922         (Symbol_value::may_be_discarded_from_output_symtab): New
4923         function.
4924         (Symbol_value::has_output_symtab_entry): New function.
4925         (Symbol_value::needs_output_symtab_entry): Remove.
4926         (Symbol_value::output_symtab_index): Make sure the symbol index is
4927         set.
4928         (Symbol_value::set_output_symtab_index): Make sure the symbol
4929         index is not set.  Make sure the new index is valid.
4930         (Symbol_value::set_must_have_output_symtab_entry): New function.
4931         (Symbol_value::has_output_dynsym_entry): New function.
4932         (Symbol_value::set_output_dynsym_index): Make sure the new index
4933         is valid.
4934         (Sized_relobj::set_must_have_output_symtab_entry): New function.
4935         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4936         local symbol if permitted.
4937         (Sized_relobj::do_finalize_local_symbols): Call
4938         is_output_symtab_index_set rather than needs_output_symtab_entry.
4939         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4940         rather than needs_output_symtab_entry.  Call
4941         has_output_dynsym_entry rather than needs_output_dynsym_entry.
4942         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4943         is_output_symtab_index_set rather than needs_output_symtab_entry.
4944         * testsuite/discard_locals_relocatable_test.c: New file.
4945         * testsuite/discard_locals_test.sh: Test -r.
4946         * testsuite/Makefile.am (check_DATA): Add
4947         discard_locals_relocatable_test1.syms,
4948         discard_local_relocatable_test2.syms.
4949         (MOSTLYCLEANFILES): Likewise.  Also add
4950         discard_locals_relocatable_test1.lout and
4951         discard_locals_relocatable_test2.out.
4952         (discard_locals_relocatable_test1.syms): New target.
4953         (discard_locals_relocatable_test.o): New target.
4954         (discard_locals_relocatable_test1.out): New target.
4955         (discard_locals_relocatable_test2.syms): New target.
4956         (discard_locals_relocatable_test2.out): New target.
4957         (various): Add missing ../ld-new dependencies.
4958         * testsuite/Makefile.in: Rebuild.
4959
4960 2010-03-03  Nick Clifton  <nickc@redhat.com>
4961
4962         * po/fi.po: New Finnish translation.
4963
4964 2010-03-01  Doug Kwan  <dougkwan@google.com>
4965
4966         * layout.cc (Layout::Layout): Force section types of .init_array*,
4967         .preinit_array* and .fini_array* sections.
4968         * output.cc (Output_section::Input_section_sort_entry::has_priority):
4969         Fix check of return value of std::string::find.().
4970         (Output_section::Input_section_sort_compare::operator()): Remove
4971         comment about .init_array.
4972         (Output_section::Input_section_sort_init_fini_compare::operator()):
4973         New method.
4974         (Output_section::sort_attached_input_sections): Handle .init_array
4975         and .fini_array specially.
4976         * output.h (Output_section::Inut_section_sort_compare): Update
4977         comment.
4978         (Output_section::Input_section_sort_init_fini_compare): New struct.
4979
4980 2010-02-26  Doug Kwan  <dougkwan@google.com>
4981
4982         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4983         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4984         * testsuite/debug_msg.sh: Avoid matching source line number for
4985         use of global variable undef_int.
4986
4987 2010-02-26  Doug Kwan  <dougkwan@google.com>
4988
4989         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4990         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4991         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4992         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4993         * options.cc (General_options::General_options): Initialize member
4994         fix_v4bx_.
4995         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4996         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4997         and rm_no_fix_v4bx.stdout
4998         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4999         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5000         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5001         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5002         and arm_no_fix_v4bx.
5003         * Makefile.in: Regenerate.
5004         * testsuite/arm_fix_v4bx.s: New file.
5005         * testsuite/arm_fix_v4bx.sh: Ditto.
5006
5007 2010-02-24  Doug Kwan  <dougkwan@google.com>
5008
5009         * arm.cc (Target_arm::got_section): Make the .got section the first
5010         non RELRO section in the data segment.
5011         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5012         suffixes of section names.
5013
5014 2010-02-24  Doug Kwan  <dougkwan@google.com>
5015
5016         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5017         flags and attributes merging if an input file is a binary file.
5018         * fileread.cc (Input_file::open): Record format of original file.
5019         * fileread.h (Input_file::Format): New enum type.
5020         (Input_file::Input_file): Initialize data member format_.
5021         (Input_file::format): New method definition.
5022         (Input_file::format_):: New data member.
5023
5024 2010-02-24  Doug Kwan  <dougkwan@google.com>
5025
5026         * arm.cc (Arm_output_data_got): New class.
5027         (ARM_TCB_SIZE): New constant
5028         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5029         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5030         If user uses a script with a SECTIONS clause, issue only a warning
5031         for a misplaced EXIDX input section.  Otherwise, issue an error.
5032         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5033         garbage collection.
5034         (Target_arm::got_mode_index_entry): Handle static linking.
5035         (Target_arm::Scan::local): Ditto.
5036         (Target_arm::Scan::global): Ditto.
5037         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5038         all incorrectly implemented relocations.
5039         (Target_arm::fix_exidx_coverage): Pass layout to
5040         Arm_output_section::fix_exidx_coverage.
5041         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5042         from ".ARM.exidx." and ".ARM.extab.".
5043
5044 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5045
5046         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5047         section if it does not already exist.
5048         * attributes.cc (Attributes_section_data::Attributes_section_data):
5049         Don't crash if size is zero.
5050
5051 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5052             Ian Lance Taylor  <iant@google.com>
5053
5054         * gold.cc (queue_middle_tasks): If no input files were opened,
5055         exit.
5056         * workqueue.h (Task_function::Task_function): Assert that there is
5057         a blocker.
5058
5059 2010-02-22  Doug Kwan  <dougkwan@google.com>
5060
5061         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5062         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5063         types to avoid warnings due to different uint64_t implementations
5064         on different hosts.
5065
5066 2010-02-21  Doug Kwan  <dougkwan@google.com>
5067
5068         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5069         handling of the maximum backward branch offset.
5070         (Arm_relocate_functions::thumb_branch_common): Ditto.
5071         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5072         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5073         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5074         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5075         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5076         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5077         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5078         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5079         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5080         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5081         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5082         thumb2_bl_out_of_range.o): New rules.
5083         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5084         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5085         thumb2_bl_out_of_range
5086         * testsuite/Makefile.in: Regenerate.
5087         * testsuite/arm_bl_in_range.s: New file.
5088         * testsuite/arm_bl_out_of_range.s: Ditto.
5089         * testsuite/arm_branch_in_range.sh: Ditto.
5090         * testsuite/arm_branch_range.t: Ditto.
5091         * testsuite/thumb2_branch_range.t: Ditto.
5092         * testsuite/thumb_bl_in_range.s: Ditto.
5093         * testsuite/thumb_bl_out_of_range.s: Ditto.
5094         * testsuite/thumb_branch_range.t: Ditto.
5095
5096 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5097
5098         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5099         Add reloc offset information.
5100         * icf.cc (get_section_contents): Change iterators to point to the new
5101         vectors. Add reloc offset information to the contents.
5102         * icf.h (Icf::Sections_reachable_info): New typedef.
5103         (Icf::Sections_reachable_list): New typedef.
5104         (Icf::Offset_info): New typedef.
5105         (Icf::Reloc_info): New struct typedef.
5106         (Icf::Reloc_info_list): New typedef.
5107         (Icf::symbol_reloc_list): Delete method.
5108         (Icf::addend_reloc_list): Delete method.
5109         (Icf::section_reloc_list): Delete method.
5110         (Icf::reloc_info_list): New method.
5111         (Icf::reloc_info_list_): New member.
5112
5113 2010-02-19  Doug Kwan  <dougkwan@google.com>
5114
5115         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5116         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5117         * arm.cc (Arm_relocation_functions): New forward declaration.
5118         (Target_arm::Target_arm): Initialize new data members
5119         got_mod_index_offset_ and tls_base_symbol_defined_.
5120         (Target_arm::Relocate::relocate_tls): New method.
5121         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5122          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5123         New methods.
5124         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5125         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5126         (Target_arm::got_mod_index_offset_,
5127         Target_arm::tls_base_symbol_defined_): New data members.
5128         (Target_arm::Scan::local, Target::Scan::global,
5129         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5130         relocations.
5131
5132 2010-02-18  Doug Kwan  <dougkwan@google.com>
5133
5134         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5135         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5136         text section as a parameter becuase some broken tools may not set
5137         the link in section header.
5138         (Target_arm::has_got_section): New method.
5139         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5140         without any mapping symbol as data only.  Remove warning.
5141         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5142         link in its section header, try to discover the link by inspecting the
5143         REL31 relocation at the beginning of the section.
5144         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5145         in error message.
5146         (Target_arm::Scan::global): Treat any reference to the symbol
5147         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5148
5149 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5150
5151         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5152         (Scan::global_reloc_may_be_function_pointer): New function.
5153         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5154         (Scan::global_reloc_may_be_function_pointer): New function.
5155         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5156         (Scan::global_reloc_may_be_function_pointer): New function.
5157         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5158         (Scan::global_reloc_may_be_function_pointer): New function.
5159         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5160         (Scan::global_reloc_may_be_function_pointer): New function.
5161         (Scan::possible_function_pointer_reloc): New function.
5162         (Target_x86_64::can_check_for_function_pointers): New function.
5163         * gc.h (gc_process_relocs): Scan relocation types to determine if
5164         function pointers were taken for targets that support it.
5165         * icf.cc (Icf::find_identical_sections): Include functions for
5166         folding in safe ICF whose pointer is not taken.
5167         * icf.h (Secn_fptr_taken_set): New typedef.
5168         (fptr_section_id_): New member.
5169         (section_has_function_pointers): New function.
5170         (set_section_has_function_pointers): New function.
5171         (check_section_for_function_pointers): New function.
5172         * options.h: Fix comment for safe ICF option.
5173         * target.h (can_check_for_function_pointers): New function.
5174         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5175         Modify icf_safe_test for X86-64.
5176         * testsuite/Makefile.in: Regenerate.
5177         * testsuite/icf_safe_so_test.cc: New file.
5178         * testsuite/icf_safe_so_test.sh: New file.
5179         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5180         (main): Change to take pointer to function kept_func_3.
5181         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5182         folding is done correctly for X86-64.
5183
5184 2010-02-12  David S. Miller  <davem@davemloft.net>
5185
5186         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5187         is_symbolless parameter.
5188         (Output_reloc<SHT_REL>::is_symbolless): New.
5189         (Output_reloc<SHT_REL>::is_symbolless_): New.
5190         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5191         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5192         (Output_reloc<SHT_RELA>::is_symbolless): New.
5193         (Output_data_reloc::add_global): Handle is_symbolless.
5194         (Output_data_reloc::add_global_relative): Likewise.
5195         (Output_data_reloc::add_local): Likewise.
5196         (Output_data_reloc::add_local_relative): Likewise.
5197         (Output_data_reloc::add_symbolless_global_addend): New.
5198         (Output_data_reloc::add_symbolless_local_addend): New.
5199         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5200         is_symbolless.
5201         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5202         instead of ->is_relative_
5203         (Output_reloc::write): Likewise.
5204         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5205         (Output_reloc::write_rel): Simplify.
5206
5207         * sparc.cc (Target_sparc::Scan::local): Use
5208         ->add_symbolless_local_addend as needed.
5209         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5210         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5211         based upon relocation offset.
5212
5213 2010-02-11  Doug Kwan  <dougkwan@google.com>
5214
5215         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5216         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5217         beginning of function.
5218         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5219         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5220         parameter is_32bit in calls to should_apply_static_reloc.
5221         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5222         (check_DATA): Add arm_abs_global.stdout.
5223         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5224         arm_abs_global.stdout): New rules.
5225         (MOSTLLYCLEANFILES): Add arm_abs_global
5226         * Makefile.in: Regenerate.
5227         * testsuite/arm_abs_global.s: New file.
5228         * testsuite/arm_abs_global.sh: Ditto.
5229         * testsuite/arm_abs_lib.s: Ditto.
5230
5231 2010-02-11  Ian Lance Taylor  <iant@google.com>
5232
5233         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5234         Read_relocs task.
5235         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5236         Allocate_commons_task first.
5237         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5238         task, rather than symtab_lock_.
5239         (Gc_process_relocs::~Gc_process_relocs): New function.
5240         (Gc_process_relocs::is_runnable): Check this_blocker_.
5241         (Gc_process_relocs::locks): Use next_blocker_ rather than
5242         blocker_.
5243         (Scan_relocs::~Scan_relocs): New function.
5244         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5245         symtab_lock_.
5246         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5247         next_blocker_.
5248         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5249         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5250         constructor accordingly.
5251         (class Gc_process_relocs): Likewise.
5252         (class Scan_relocs): Likewise.
5253         * common.h (class Allocate_commons_task): Remove symtab_lock_
5254         field, and corresponding constructor parameter.
5255         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5256         symtab_lock_.
5257         (Allocate_commons_task::locks): Likewise.
5258
5259 2010-02-11  Ian Lance Taylor  <iant@google.com>
5260
5261         * gold-threads.h (class Once): Define.
5262         (class Initialize_lock): Rewrite as child of Once.
5263         * gold-threads.cc (class Once_initialize): Define.
5264         (once_pointer_control): New static variable.
5265         (once_pointer, once_arg): New static variables.
5266         (c_run_once): New static function.
5267         (Once::Once, Once::run_once, Once::internal_run): New functions.
5268         (class Initialize_lock_once): Remove.
5269         (initialize_lock_control): Remove.
5270         (initialize_lock_pointer): Remove.
5271         (initialize_lock_once): Remove.
5272         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5273         (Initialize_lock::initialize): Rewrite.
5274         (Initialize_lock::do_run_once): New function.
5275         * archive.cc (Archive::interpret_header): Only clear name if it is
5276         not already empty.
5277         * fileread.cc: Include "gold-threads.h"
5278         (file_counts_lock): New static variable.
5279         (file_counts_initialize_lock): Likewise.
5280         (File_read::release): Only increment counts when using --stats.
5281         Use a lock around the increment.
5282         * parameters.cc (class Set_parameters_target_once): Define.
5283         (set_parameters_target_once): New static variable.
5284         (Parameters::Parameters): Move here from parameters.h.
5285         (Parameters::set_target): Rewrite.
5286         (Parameters::set_target_once): New function.
5287         (Parameters::clear_target): Move here and rewrite.
5288         * parameters.h (class Parameters): Update declarations.  Add
5289         set_parameters_target_once_ field.
5290         (Parameters::Parameters): Move to parameters.cc.
5291         (Parameters::clear_target): Likewise.
5292         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5293         task.
5294         (Start_group::~Start_group): New function.
5295         (Start_group::is_runnable): New function.
5296         (Start_group::locks, Start_group::run): New functions.
5297         (Finish_group::run): Change saw_undefined to size_t.
5298         * readsyms.h (class Start_group): Define.
5299         (class Finish_group): Change saw_undefined_ field to size_t.
5300         (Finish_group::Finish_group): Remove saw_undefined and
5301         this_blocker parameters.  Change all callers.
5302         (Finish_group::set_saw_undefined): New function.
5303         (Finish_group::set_blocker): New function.
5304         * symtab.h (class Symbol_table): Change saw_undefined to return
5305         size_t.  Change saw_undefined_ field to size_t.
5306         * target-select.cc (Set_target_once::do_run_once): New function.
5307         (Target_selector::Target_selector): Initialize set_target_once_
5308         field.  Don't initialize lock_ and initialize_lock_ fields.
5309         (Target_selector::instantiate_target): Rewrite.
5310         (Target_selector::set_target): New function.
5311         * target-select.h (class Set_target_once): Define.
5312         (class Target_selector): Update declarations.  Make
5313         Set_target_once a friend.  Remove lock_ and initialize_lock_
5314         fields.  Add set_target_once_ field.
5315
5316 2010-02-10  Ian Lance Taylor  <iant@google.com>
5317
5318         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5319         queueing any tasks.
5320         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5321         (queue_middle_tasks): Add all blockers before queueing any tasks.
5322         (queue_final_tasks): Likewise.
5323         * token.h (Task_token::add_blockers): New function.
5324         * object.h (Input_objects::number_of_relobjs): New function.
5325
5326 2010-02-10  Ian Lance Taylor  <iant@google.com>
5327
5328         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5329         shared, not if not position independent.
5330         * x86_64.cc (Relocate::relocate_tls): Likewise.
5331         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5332         (tls_pie_pic_test): New target.
5333         * testsuite/Makefile.in: Rebuild.
5334
5335         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5336         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5337         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5338         * testsuite/Makefile.in: Rebuild.
5339
5340 2010-02-09  David S. Miller  <davem@davemloft.net>
5341
5342         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5343         R_SPARC_RELATIVE using ->add_local_relative().
5344         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5345
5346         * output.h (Output_data_dynamic::add_section_size): New method
5347         that takes two Output_data objects.
5348         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5349         entry param.  Handle it in initializers.
5350         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5351         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5352         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5353         arg.
5354         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5355         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5356         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5357         for dynrel_includes_plt.
5358         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5359         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5360         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5361         before .rela.plt
5362         (Target_sparc::do_finalize_sections): Update to pass true for
5363         dynrel_includes_plt.
5364         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5365         output before .rela.plt
5366         (Target_powerpc::do_finalize_sections): Update to pass true for
5367         dynrel_includes_plt when 32-bit.
5368
5369 2010-02-08  Doug Kwan  <dougkwan@google.com>
5370
5371         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5372         method.
5373         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5374         Arm_relobj::scan_section_for_cortex_a8_stubs,
5375         Arm_relobj::do_relocation_section): Instead of calling
5376         Output_section::output_address, use faster
5377         Arm_relobj::simple_input_section_output_address.
5378
5379 2010-02-08  David S. Miller  <davem@davemloft.net>
5380
5381         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5382         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5383         relocation helper function.
5384
5385         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5386         just like R_SPARC_GOT{10,13,22}.
5387         (Target_sparc::Scan::local): Likewise.
5388         (Target_sparc::Relocate:relocate): Likewise.
5389
5390 2010-02-06  Ian Lance Taylor  <iant@google.com>
5391
5392         * configure.ac: Rewrite targetobjs duplicate removal code to use
5393         only shell constructs.
5394         * configure: Rebuild.
5395
5396 2010-02-05  Doug Kwan  <dougkwan@google.com>
5397
5398         PR 11247
5399         * arm.cc (Arm_relobj::section_is_scannable): New method.
5400         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5401         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5402
5403 2010-02-04  Doug Kwan  <dougkwan@google.com>
5404
5405         PR 11247
5406         * arm-reloc-property.cc (cstdio): Include.
5407         * configure.ac (targetobjs): Remove duplicates.
5408         * configure: Regenerate.
5409         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5410         big and little endian version for a given address size.
5411
5412 2010-02-03  Doug Kwan  <dougkwan@google.com>
5413
5414         * arm-reloc-property.cc
5415         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5416         definition.
5417         * arm-reloc-property.h
5418         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5419         New method definition.
5420         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5421         declaration.
5422         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5423         overflow to N.
5424         (GOT_PREL): Change implemented to Y.
5425         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5426         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5427         (Arm_relocate_functions::movw_abs_nc): Remove method.
5428         (Arm_relocate_functions::movt_abs): Ditto.
5429         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5430         (Arm_relocate_functions::thm_movt_abs): Ditto.
5431         (Arm_relocate_functions::movw_rel_nc): Ditto.
5432         (Arm_relocate_functions::movw_rel): Ditto.
5433         (Arm_relocate_functions::movt_rel): Ditto.
5434         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5435         (Arm_relocate_functions:thm_movw_rel): Ditto.
5436         (Arm_relocate_functions:thm_movt_rel): Ditto.
5437         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5438         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5439         New method definitions.
5440         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5441         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5442         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5443         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5444         (Target_arm::Relocate::relocate): Check for non-static or
5445         unimplemented relocation code and exit early.  Change calls to
5446         Target_arm::reloc_uses_thumb_bit and
5447         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5448         instead.  Refactor code to handle similar relocations to increase
5449         code sharing.  Remove check for unsupported relocation code in switch
5450         statement.
5451         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5452         relocation property table to find out size.  Change error message to
5453         print out the name of a relocation code instead of the numeric value.
5454         (Target_arm::scan_reloc_for_stub): Use relocation property table
5455         instead of calling Target_arm::reloc_uses_thumb_bit().
5456
5457 2010-02-02  Doug Kwan  <dougkwan@google.com>
5458
5459         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5460         types of relaxed input section.
5461
5462 2010-02-02  Doug Kwan  <dougkwan@google.com>
5463
5464         * Makefile.am (HFILES): Add arm-reloc-property.h.
5465         (DEFFILES): New.
5466         (TARGETSOURCES): Add arm-reloc-property.cc
5467         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5468         (libgold_a_SOURCES): $(DEFFILES)
5469         * Makefile.in: Regenerate.
5470         * arm-reloc-property.cc: New file.
5471         * arm-reloc-property.h: New file.
5472         * arm-reloc.def: New file.
5473         * arm.cc: Update comments.
5474         (arm-reloc-property.h): New included header.
5475         (arm_reloc_property_table): New global variable.
5476         (Target_arm::do_select_as_default_target): New method definition.
5477         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5478         arm-reloc-property to targ_extra_obj.
5479         * parameters.cc (set_parameters_target): Call
5480         Target::select_as_default_target().
5481         * target.h (Target::select_as_default_target): New method definition.
5482         (Target::do_select_as_default_target): Same.
5483
5484 2010-02-01  Doug Kwan  <dougkwan@google.com>
5485
5486         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5487         first_output_text_section_.
5488         (Arm_exidx_fixup::first_output_text_section): New method definition.
5489         (Arm_exidx_fixup::first_output_text_section_): New data member.
5490         (Arm_exidx_fixup::process_exidx_section): Record the first text
5491         output section seen.
5492         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5493         and entsize in output section header.
5494
5495 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5496
5497         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5498         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5499         (Arm_relocate_functions::thm_alu11): New Method.
5500         (Arm_relocate_functions::thm_pc8): New Method.
5501         (Arm_relocate_functions::thm_pc12): New Method.
5502         (Target_arm::Scan::local): Handle the relocations.
5503         (Target_arm::Scan::global): Likewise.
5504         (Target_arm::Relocate::relocate): Likewise.
5505         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5506
5507 2010-01-29  Doug Kwan  <dougkwan@google.com>
5508
5509         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5510         of relocation types as ld.
5511
5512 2010-01-29  Doug Kwan  <dougkwan@google.com>
5513
5514         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5515         to public.
5516         (Arm_relocate_functions::thumb_branch_common): Ditto.
5517         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5518         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5519         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5520         Arm_relocate_functions::jump24): Remove.
5521         (Target_arm::Relocate::relocate): Adjust code to call
5522         Arm_relocation_functions::arm_branch_common and
5523         Arm_relocation_functions::thumb_branch_common instead of their removed
5524         wrappers.  Merge switch-cases together to reduce source code size.
5525
5526 2010-01-29  Doug Kwan  <dougkwan@google.com>
5527
5528         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5529         output_local_symbol_count_needs_update_.
5530         (Arm_relobj::output_local_symbol_count_needs_update,
5531          Arm_relobj::set_output_local_symbol_count_needs_update,
5532          Arm_relobj::update_output_local_symbol_count): New methods.
5533         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5534         member.
5535         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5536         of pointed function as in a R_ARM_PREL31 relocation.
5537         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5538         for output local symbol count updating.
5539         (Target_arm::do_relax): Update output local symbol counts in objects
5540         if necessary.
5541         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5542
5543 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5544
5545         * arm.cc: Added support for the ARM relocations:
5546         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5547         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5548         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5549         movw_prel_nc).
5550         (Arm_relocate_functions::movw_rel): New method.
5551         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5552         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5553         thm_movw_prel_nc).
5554         (Arm_relocate_functions::thm_movw_rel): New method.
5555         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5556         thm_movt_prel).
5557         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5558         relocations.
5559         (Target_arm::Scan::global): Likewise.
5560         (Target_arm::Relocate::relocate): Likewise.
5561         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5562         Likewise.
5563
5564 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5565
5566         * arm.cc: Added support for ARM group relocations.
5567         (Target_arm::reloc_needs_sym_origin): New method.
5568         (Arm_relocate_functions::calc_grp_kn): New method.
5569         (Arm_relocate_functions::calc_grp_residual): New method.
5570         (Arm_relocate_functions::calc_grp_gn): New method.
5571         (Arm_relocate_functions::arm_grp_alu): New Method.
5572         (Arm_relocate_functions::arm_grp_ldr): New Method.
5573         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5574         (Arm_relocate_functions::arm_grp_ldc): New Method.
5575         (Target_arm::Scan::local): Handle the ARM group relocations.
5576         (Target_arm::Scan::global): Likewise.
5577         (Target_arm::Relocate::relocate): Likewise.
5578         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5579         Likewise.
5580
5581 2010-01-26  Doug Kwan  <dougkwan@google.com>
5582
5583         * arm.cc (set): Include.
5584         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5585         pointer type.
5586         (Arm_output_section::Text_section_list): New type.
5587         (Arm_output_section::append_text_sections_to_list): New method.
5588         (Arm_output_section::fix_exidx_coverage): Ditto.
5589         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5590         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5591         Relobj::set_section_offset() instead of
5592         Sized_relobj::invalidate_section_offset().
5593         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5594         parameter for section headers. Ignore relocation sections for
5595         unallocated sections and EXIDX sections.
5596         (Target_arm::fix_exidx_coverage): New method.
5597         (Target_arm::output_section_address_less_than): New type.
5598         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5599         linked text section instead of the EXIDX section.
5600         (Arm_output_section::create_stub_group): Add an assertion to check
5601         that this is not an EXIDX output section.
5602         (Arm_output_section::append_text_sections_to_list): New method.
5603         (Arm_output_section::fix_exidx_coverage): Ditto.
5604         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5605         Arm_relobj::section_needs_reloc_stub_scanning.
5606         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5607         first pass.
5608         (Target_arm::fix_exidx_coverage): New method.
5609         * object.h (Relobj::set_output_section): New method.
5610         (Sized_relobj::invalidate_section_offset): Remove method.
5611         (Sized_relobj::do_invalidate_section_offset): Remove method.
5612         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5613
5614 2010-01-25  Doug Kwan  <dougkwan@google.com>
5615
5616         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5617         Fix warning due to signed and unsigned comparison on a 32-bit host.
5618
5619 2010-01-22  Doug Kwan  <dougkwan@google.com>
5620
5621         * arm.cc (Target_arm::do_relax): Record an output section for section
5622         offset adjustment it contains any stub table that has changed.
5623         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5624         offsets in an output section if necessary.
5625         * output.cc (Output_section::Output_section): Initialize
5626         section_offsets_need_adjustments_.
5627         (Output_section::add_input_section_for_script): Renamed to
5628         Output_section::add_simple_input_section.
5629         (Output_section::save_states): Add a comment.
5630         (Output_section::discard_states): New method defintion.
5631         (Output_section::adjust_section_offsets): Same.
5632         * output.h (Output_section::add_input_section_for_script): Renamed to
5633         Output_section::add_simple_input_section.
5634         (Output_section::discard_states): New method declaration.
5635         (Output_section::adjust_section_offsets): Same.
5636         (Output_section::section_offsets_need_adjustment,
5637         Output_section::set_section_offsets_need_adjustment): New method
5638         definitions.
5639         (Output_section::section_offsets_need_adjustment_): New data member.
5640         * script-sections.cc
5641         (Output_section_element_input::set_section_address): Adjust code for
5642         renaming of Output_section::add_input_section_for_script.
5643         (Orphan_output_section::set_section_address): Same.
5644
5645 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5646
5647         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5648         Fix_v4bx enum values .
5649         * gold/options.h (General_options): New option definitions.
5650         (General_options::fix_v4bx): New method.
5651         (General_options::Fix_v4bx): New enum.
5652         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5653         (General_options::parse_fix_v4bx_interworking): New method.
5654
5655 2010-01-22  Doug Kwan  <dougkwan@google.com>
5656
5657         * arm.cc (Arm_exidx_fixup): New class.
5658
5659 2010-01-21  Doug Kwan  <dougkwan@google.com>
5660
5661         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5662         classes.
5663         (Arm_exidx_section_offset_map): New type.
5664
5665 2010-01-21  Doug Kwan  <dougkwan@google.com>
5666
5667         * arm.cc (Arm_exidx_input_section): New class.
5668         (Arm_relobj::exidx_input_section_by_link,
5669         Arm_relobj::exidx_input_section_by_shndx,
5670         Arm_relobj::make_exidx_input_section): New methods.
5671         (read_arm_attributes_section): Remove.
5672         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5673         information about them.
5674         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5675         to here.
5676
5677 2010-01-20  Doug Kwan  <dougkwan@google.com>
5678
5679         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5680         Input_section_specifier to Section_id.
5681         (Target_arm::new_arm_input_section: Adjust code for change of key
5682         type.
5683         (Target_arm::find_arm_input_section): Ditto.
5684         * gc.h (object.h): Include for Section_id nand Section_id_hash.
5685         (Section_id): Remove.
5686         (Garbage_collection::Section_id_hash): Remove.
5687         * icf.h (object.h): Include for Section_id nand Section_id_hash.
5688         (Section_id): Remove.
5689         (Icf::Section_id_hash): Remove.
5690         * object.h (Section_id, Const_section_id, Section_id_hash,
5691         Const_section_id_hash): New type definitions.
5692         * output.cc (Output_section::add_relaxed_input_section): Change to
5693         use Const_section_id instead of Input_section_specifier as key type.
5694         (Output_section::add_merge_input_section): Ditto.
5695         (Output_section::build_relaxation_map): Change to use Section_id
5696         instead of Input_section_specifier as key type.
5697         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5698         Ditto.
5699         (Output_section::convert_input_sections_to_relaxed_sections): Change
5700         to use Const_section_id instead of Input_section_specifier as key type.
5701         (Output_section::find_merge_section): Ditto.
5702         (Output_section::find_relaxed_input_section): Ditto.
5703         * output.h (Input_section_specifier): Remove class.
5704         (Output_section::Output_section_data_by_input_section_map): Change
5705         key type to Const_section_id.
5706         (Output_section::Output_relaxed_input_section_by_input_section_map):
5707         Ditto.
5708         (Output_section::Relaxation_map): Change key type to Section_id.
5709
5710 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5711
5712         * gold/arm.cc: Added support for R_ARM_V4BX relocation
5713         (class Arm_v4bx_stub): New class.
5714         (DEF_STUBS): Updated definition to support v4_veneer_bx.
5715         (Stub_factory::make_arm_v4bx_stub): New method.
5716         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5717         (Stub_table::empty): Handle v4bx stubs.
5718         (Stub_table::add_arm_v4bx_stub): New method.
5719         (Stub_table::find_arm_v4bx_stub): New method.
5720         (Arm_relocate_functions::v4bx): New method.
5721         (Target_arm::fix_v4bx): New method.
5722         (Target_arm::Target_arm): Handle R_ARM_V4BX.
5723         (Stub_table::relocate_stubs): Likewise.
5724         (Stub_table::do_write): Likewise.
5725         (Stub_table::update_data_size_and_addralign): Likewise.
5726         (Stub_table::finalize_stubs):  Likewise.
5727         (Target_arm::Scan::local): Likewise.
5728         (Target_arm::Scan::global): Likewise.
5729         (Target_arm::do_finalize_sections): Likewise.
5730         (Target_arm::Relocate::relocate): Likewise.
5731         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5732         Likewise.
5733         (Target_arm::scan_reloc_for_stub): Likewise.
5734         (Target_arm::scan_reloc_section_for_stubs): Likewise.
5735
5736 2010-01-19  Ian Lance Taylor  <iant@google.com>
5737
5738         * output.cc (Output_section_headers::do_sized_write): Write large
5739         segment count to sh_info field.
5740         (Output_file_header::do_sized_write): For large segment count,
5741         write PN_XNUM to e_phnum field.
5742
5743 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5744
5745         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5746         (Arm_relocate_functions::thm_jump8): New function.
5747         (Arm_relocate_functions::thm_jump11): New function.
5748         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5749         R_ARM_THM_JUMP11.
5750         (Target_arm::Scan::global): Likewise.
5751         (Target_arm::Relocate::relocate): Likewise.
5752         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5753         Likewise.
5754
5755 2010-01-14  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm.cc (map, utility): Include headers.
5758         (Target_arm::apply_cortex_a8_workaround): New method.
5759         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5760         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5761         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5762         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5763         the --[no-]fix-cortex-a8 command line options.
5764         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5765         (Target_arm::relocate_stub): Use addend in instruction template.
5766         * options.h (DEFINE_bool): Set the user-set flag.
5767         (General_options): Add --[no-]-fix-cortex options.
5768         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
5769         : Update fast look-up map after conversion.
5770
5771 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
5772
5773         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5774         in the first pass of do_layout.
5775
5776 2010-01-13  Doug Kwan  <dougkwan@google.com>
5777
5778         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5779         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5780         apparent compiler problem of not folding static constant integral
5781         data members of elfcpp::Elf_sizes<32>.
5782
5783 2010-01-13  Doug Kwan  <dougkwan@google.com>
5784
5785         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5786         Arm_relobj::section_needs_cortex_a8_stub_scanning,
5787         Arm_relobj::scan_section_for_cortex_a8_erratum,
5788         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5789         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5790         sections to scan for relocation stubs into a new method
5791         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
5792         relocation and Cortex-A8 stub scanning.
5793         (Target_arm::do_relax): Force stubs to be after stubbed sections
5794         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
5795         the beginning of a new relaxation pass.  Update a comment.
5796         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5797
5798 2010-01-12  Ian Lance Taylor  <iant@google.com>
5799
5800         * target-reloc.h (visibility_error): New inline function.
5801         (relocate_section): Call visibility_error.
5802         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5803         (MOSTLYCLEANFILES): Likewise.
5804         (protected_4_pic.o, protected_3.err): New targets.
5805         * testsuite/protected_4.cc: New file.
5806
5807 2010-01-12  Doug Kwan  <dougkwan@google.com>
5808
5809         * arm.cc (Cortex_a8_reloc): New class.
5810         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5811         and cortex_a8_relocs_info_.
5812         (Target_arm::fix_cortex_a8): New method definition.
5813         (Target_arm::Cortex_a8_relocs_info): New type.
5814         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5815         New data member declarations.
5816         (Target_arm::scan_reloc_for_stub): Record information about
5817         relocations for THUMB branches that might be exempted from the
5818         Cortex-A8 workaround.
5819         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5820         at the beginning of a relaxation pass.
5821
5822 2010-01-12  Doug Kwan  <dougkwan@google.com>
5823
5824         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5825         (Arm_relobj::Mapping_symbol_position,
5826          Arm_reloj::Mapping_symbol_position_less,
5827          Arm_relobj::Mapping_symbols_info): New types.
5828         (Target_arm::is_mapping_symbol_name): New method definition.
5829         (Arm_relobj::do_count_local_symbols): Save information about mapping
5830         symbols.
5831
5832 2010-01-11  Doug Kwan  <dougkwan@google.com>
5833
5834         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5835         Arm_relocate_functions::thumb32_branch_upper,
5836         Arm_relocate_functions::thumb32_branch_lower,
5837         Arm_relocate_functions::thumb32_cond_branch_offset,
5838         Arm_relocate_functions::thumb32_cond_branch_upper,
5839         Arm_relocate_functions::thumb32_cond_branch_lower,
5840         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5841         branch offset encoding.
5842         (Arm_relocate_functions::thumb_branch_common): Use new branch
5843         offset encoding methods to avoid code duplication.
5844         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5845         (Stub_addend_reader::operator()): Use new branch encoding method
5846         to avoid code duplication.
5847
5848 2010-01-11  Doug Kwan  <dougkwan@google.com>
5849
5850         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5851         (Target_arm::do_finalize_sections): Define special EXIDX section
5852         symbols only if referenced.
5853         * gc.h (Garbage_collection::add_reference): New method.
5854         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5855         code duplication.
5856
5857 2010-01-11  Ian Lance Taylor  <iant@google.com>
5858
5859         * script.cc (Version_script_info::build_expression_list_lookup):
5860         Change complaing about duplicate wildcard match from error to
5861         warning.
5862
5863         * script.cc (class Lazy_demangler): Recreate--revert part of patch
5864         of 2009-12-30.
5865         (Version_script_info::Version_script_info): Initialize globs_,
5866         default_version_, default_is_global_, and exact_.  Don't
5867         initialize globals_ or locals_.
5868         (Version_script_info::build_lookup_tables): Build local symbols
5869         first.
5870         (Version_script_info::unquote): New function.
5871         (Version_script_info::add_exact_match): New function.
5872         (Version_script_info::build_expression_list_lookup): Remove lookup
5873         parameter.  Add is_global parameter.  Change all callers.  Handle
5874         wildcard pattern specially.  Unquote pattern.  Call
5875         add_exact_match.
5876         (Version_script_info::get_name_to_match): New function.
5877         (Version_script_info::get_symbol_version): New function.
5878         (Version_script_info::get_symbol_version_helper): Remove.
5879         (Version_script_info::check_unmatched_names): Call unquote.
5880         * script.h (class Version_script_info): Change get_symbol_version
5881         to be non-inline and add is_global parameter; change all callers.
5882         Rewrite symbol_is_local.  Update declarations.  Define struct
5883         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
5884         Remove globals_ and locals_ members.  Add exact_, globs_,
5885         default_version_, is_global_.
5886         (Version_script_info::Glob): Remove pattern, add expression and
5887         is_global.  Update constructor.  Change all callers.
5888         * dynobj.cc (Versions::finalize): Mark the version symbol as the
5889         default version.
5890         (Versions::symbol_section_contents): If a symbol is undefined, or
5891         defined in a dynamic object, set the version index to
5892         VER_NDX_LOCAL.
5893         * symtab.cc (Symbol_table::add_from_relobj): Don't call
5894         symbol_is_local.
5895         (Symbol_table::add_from_pluginobj): Likewise.
5896         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5897
5898 2010-01-11  Doug Kwan  <dougkwan@google.com>
5899
5900         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5901         (incremental_dump_LDADD): Add linking option for libintl.
5902         * Makefile.in: Regenerate.
5903
5904 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
5905
5906         PR gold/11144
5907         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5908         instead of -Ds.
5909         * testsuite/Makefile.in: Regenerated.
5910
5911 2010-01-10  Doug Kwan  <dougkwan@google.com>
5912
5913         * options.h (DEFINE_var): Use parentheses around argument varname__
5914         in macro body to avoid any unintended subsequent substitutions.
5915
5916 2010-01-10  Ian Lance Taylor  <iant@google.com>
5917
5918         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5919         candidates before doing symbol resolution.
5920
5921         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5922         ODR candidates if only one is weak.
5923
5924 2010-01-08  Ian Lance Taylor  <iant@google.com>
5925
5926         * script.cc (Version_script_info::build_expression_list_lookup):
5927         Don't warn about ambiguous version, just record the ambiguity.
5928         (Version_script_info::get_symbol_version_helper): Give error if
5929         version is ambiguous.
5930
5931 2010-01-08  Doug Kwan  <dougkwan@google.com>
5932
5933         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5934           prev_data_size_ and prev_addralign_.  Remove initializer for
5935           deleted data member has_been_changed_.
5936           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5937           to determine if the table is empty.
5938           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5939           Remove.
5940           (Stub_table::add_reloc_stub): Define method in class definition
5941           instead of just declaring it there.
5942           (Stub_table::add_cortex_a8_stub): New method definition.
5943           (Stub_table::update_data_size_and_addralign): Ditto.
5944           (Stub_table::finalize_stubs): Ditto.
5945           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5946           (Stub_table::do_addralign_): Return address alignment in the
5947           (Stub_table::do_reset_address_and_file_offset): Define method in
5948           class definition instead of declaring it there.  Set current data
5949           size to be the data size of the previous pass.
5950           (Stub_table::set_final_data_size): Use current data size as the
5951           final data size.
5952           (Stub_table::relocate_stub): Change parameter type of stub from
5953           Reloc_stub pointer to Stub pointer.
5954           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5955           (Stub_table::Cortex_a8_stub_list): New typedef.
5956           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5957            Stub_table::prev_addralign_): New data member.
5958           (Arm_relobj::Arm_relobj): Initialize data member
5959           section_has_cortex_a8_workaround_.
5960           (Arm_relobj::section_has_cortex_a8_workaround,
5961            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5962            definitions.
5963           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5964           declarations.
5965           (Target_arm::relocate_stub): Change parameter type of stub from
5966           Reloc_stub pointer to Stub pointer.
5967           (Insn_template::size, Insn_template::alignment): Handle
5968           THUMB16_SPECIAL_TYPE.
5969           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5970            Stub_table::update_data_size_and_addralign,
5971            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5972           definitions.
5973           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5974           (Stub_table::do_write): Ditto.
5975           (Target_arm::do_relax): Adjust code for changes in Stub_table.
5976
5977 2010-01-08  Ian Lance Taylor  <iant@google.com>
5978
5979         PR 11108
5980         * symtab.h (class Symbol): Remove fields is_target_special_ and
5981         has_plt_offset_.  Add field is_defined_in_discarded_section_.
5982         (Symbol::is_defined_in_discarded_section): New function.
5983         (Symbol::set_is_defined_in_discarded_section): New function.
5984         (Symbol::has_plt_offset): Rewrite.
5985         (Symbol::set_plt_offset): Verify that new offset is not -1U.
5986         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5987         Don't initialize is_target_special_ or has_plt_offset_.
5988         Initialize is_defined_in_discarded_section_.
5989         (Symbol_table::add_from_relobj): If appropriate, set
5990         is_defined_in_discarded_section.
5991         * resolve.cc (Symbol::override_base_with_special): Don't test
5992         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
5993         * target-reloc.h (relocate_section): Do special handling for
5994         symbols defined in discarded sections for global symbols as well
5995         as local symbols.
5996
5997 2010-01-08  Ian Lance Taylor  <iant@google.com>
5998
5999         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6000         the SHT_SYMTAB case.
6001
6002 2010-01-08  Ian Lance Taylor  <iant@google.com>
6003
6004         * object.cc (Sized_relobj::do_layout): Don't get confused if
6005         layout_eh_frame returns NULL.
6006
6007 2010-01-08  Ian Lance Taylor  <iant@google.com>
6008
6009         PR 11084
6010         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6011         dynamic symbol table, use the normal symbol table.
6012         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6013         symbol table.
6014
6015 2010-01-08  Ian Lance Taylor  <iant@google.com>
6016
6017         PR 11072
6018         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6019         sections.
6020
6021 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6022
6023         * version.cc (print_version): Change to "Copyright 2010".
6024
6025 2010-01-08  Ian Lance Taylor  <iant@google.com>
6026
6027         PR 10287
6028         PR 11063
6029         * i386.cc (class Target_i386): Change return type of plt_section
6030         to be non-const.
6031         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6032         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6033         tls_desc_rel_ field.
6034         (Output_data_plt_i386::rel_tls_desc): New function.
6035         (Target_i386::rel_tls_desc_section): New function.
6036         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6037         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6038         R_386_TLS_DESC reloc in rel_tls_desc_section.
6039         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6040         Define struct Tlsdesc_info.
6041         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6042         (Target_x86_64::do_reloc_symbol_index): New function.
6043         (Target_x86_64::add_tlsdesc_info): New function.
6044         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6045         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6046         tlsdesc_rel_ field.
6047         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6048         all callers.
6049         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6050         (Target_x86_64::rela_tlsdesc_section): New function.
6051         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6052         handling.
6053         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6054         (Target_x86_64::do_reloc_addend): New function.
6055         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6056         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6057         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6058         (Output_reloc::type): New function.
6059         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6060         (Output_reloc::is_target_specific): New function.
6061         (Output_reloc::target_arg): New function.
6062         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6063         absolute relocs and target specific relocs.
6064         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6065         add_target_specific.
6066         (class Output_data_reloc) [SHT_RELA]: Likewise.
6067         * output.cc (Output_reloc::Output_reloc): Add four new versions
6068         for absolute relocs and target specific relocs.
6069         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6070         (Output_reloc::get_symbol_index): Likewise.
6071         (Output_reloc::local_section_offset): Check that local_sym_index_
6072         is not TARGET_CODE or 0.
6073         (Output_reloc::symbol_value): Likewise.
6074         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6075         reloc.
6076         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6077         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6078         functions.
6079         * layout.cc (add_target_dynamic_tags): Use output section for
6080         DT_PLTRELSZ and DT_JMPREL.
6081
6082 2010-01-07  Ian Lance Taylor  <iant@google.com>
6083
6084         PR 11061
6085         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6086         function.
6087         (class Output_data_reloc_generic): Define.
6088         (class Output_data_reloc_base): Change base class to
6089         Output_data_reloc_generic.  Change add() method to call
6090         bump_relative_reloc_count for a relative reloc.  Remove
6091         sort_relocs_ field.
6092         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6093         to sort_relocs().
6094         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6095         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6096         appropriate.
6097         * layout.h (class Layout): Update declaration.
6098
6099 2010-01-07  Ian Lance Taylor  <iant@google.com>
6100
6101         * output.h (class Output_data): Add const version of
6102         output_section and do_output_section.
6103         (class Output_section_data): Add const version of
6104         do_output_section.
6105         (class Output_section): Likewise.
6106         * layout.cc (Layout::add_target_dynamic_tags): New function.
6107         * layout.h (class Layout): Update declarations.
6108         * arm.cc (Target_arm::do_finalize_sections): Use
6109         add_target_dynamic_tags.
6110         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6111         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6112         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6113         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6114
6115 2010-01-07  Ian Lance Taylor  <iant@google.com>
6116
6117         PR 11042
6118         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6119         object as needed.
6120
6121 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6122             Ian Lance Taylor  <iant@google.com>
6123
6124         PR 11019
6125         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6126         Xindex::read_symtab_xindex.
6127
6128 2010-01-07  Doug Kwan  <dougkwan@google.com>
6129
6130         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6131         (Insn_template::thumb16_bcond_insn): New method declaration.
6132         (Insn_template): Fix spelling.
6133         (Stub::thumb16_special): New method declaration.
6134         (Stub::do_write): Define virtual method which was previously pure
6135         virtual.
6136         (Stub::do_thumb16_special): New method declaration.
6137         (Stub::do_fixed_endian_write): New template member.
6138         (Reloc_stub::do_write): Remove.
6139         (Reloc_stub::do_fixed_endian_write): Remove.
6140         (Cortex_a8_stub): New class definition.
6141         (Stub_factory::make_cortex_a8_stub): New method definition.
6142         (Stub_factory::Stub_factory): Add missing static storage class
6143         qualifier for elf32_arm_stub_a8_veneer_blx.
6144
6145 2010-01-07  Ian Lance Taylor  <iant@google.com>
6146
6147         PR 10980
6148         * options.h (class General_options): Add --warn-unresolved-symbols
6149         and --error-unresolved-symbols.
6150         * errors.cc (Errors::undefined_symbol): Implement
6151         --warn-unresolved-symbols.
6152
6153         * options.h (class General_options): Add -z text and -z textoff.
6154         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6155
6156 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6157
6158         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6159         (Garbage_collection::cident_sections): New function.
6160         (Garbage_collection::add_cident_section): New function.
6161         (Garbage_collection::cident_sections_): New member.
6162         (gc_process_relocs): Add references to sections whose names are C
6163         identifiers.
6164         * gold.h (cident_section_start_prefix): New constant.
6165         (cident_section_stop_prefix): New constant.
6166         (is_cident): New function.
6167         * layout.cc (Layout::define_section_symbols): Replace string constants
6168         with the newly defined constants.
6169         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6170         C identifiers.
6171         * testsuite/Makefile.am: Add gc_orphan_section_test.
6172         * testsuite/Makefile.in: Regenerate.
6173         * testsuite/gc_orphan_section_test.cc: New file.
6174         * testsuite/gc_orphan_section_test.sh: New file.
6175
6176 2010-01-06  Ian Lance Taylor  <iant@google.com>
6177
6178         PR 10980
6179         * options.h (class General_options): Add --warn-shared-textrel.
6180         * layout.cc (Layout::finish_dynamic_section): Implement
6181         --warn-shared-textrel.
6182
6183         PR 10980
6184         * options.h (class General_options): Add --warn-multiple-gp.
6185
6186 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6187
6188         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6189         $(THREADSLIB) and $(LIBDL).
6190         * Makefile.in: Rebuild.
6191
6192 2010-01-06  Ian Lance Taylor  <iant@google.com>
6193
6194         PR 10980
6195         * options.cc (General_options::parse_section_start): New function.
6196         (General_options::section_start): New function.
6197         (General_options::General_options): Initialize all members.
6198         * options.h: Include <map>
6199         (class General_options): Add --section-start.  Add section_starts_
6200         member.
6201         * layout.cc (Layout::attach_allocated_section_to_segment): If
6202         --section-start was used, set the address of the segment.  Remove
6203         local sort_sections.
6204         (Layout::relaxation_loop_body): If the address of the load segment
6205         has been set by --section-start, don't use it.
6206         * output.h (Output_segment::update_flags_for_output_section): New
6207         function.
6208         * output.cc (Output_segment::add_output_section): Call
6209         update_flags_for_output_section.
6210
6211 2010-01-05  Ian Lance Taylor  <iant@google.com>
6212
6213         PR 10980
6214         * options.h (class General_options): Add --undefined-version.
6215         * script.cc (struct Version_expression): Add was_matched_by_symbol
6216         field.
6217         (Version_script_info::matched_symbol): New function.
6218         (Version_script_info::get_symbol_version_helper): Call
6219         matched_symbol.
6220         (Version_script_info::check_unmatched_names): New function.
6221         * script.h (class Version_script_info): Update declarations.
6222         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6223
6224         * options.h (class General_options): Use DEFINE_bool_alias for
6225         allow_multiple_definition.
6226         * resolve.cc (Symbol_table::should_override): Don't test
6227         allow_multiple_definition.
6228
6229         PR 10980
6230         * options.h (class General_options): Add --cref.
6231         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6232         until after printing cref table.
6233         * cref.cc: Include "symtab.h".
6234         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6235         (Cref_table_compare::operator()): New function.
6236         (Cref_inputs::gather_cref): New function.
6237         (filecol): New static const.
6238         (Cref_inputs::print_cref): New function.
6239         (Cref::print_cref): New function.
6240         * cref.h: Include <cstdio>.
6241         (class Cref): Update declarations.
6242         * mapfile.h (Mapfile::file): New function.
6243         * object.h (class Object): Define Symbols.  Declare virtual
6244         do_get_global_symbols.
6245         (Object::get_global_symbols): New function.
6246         * object.cc (Input_objects::add_object): Pass object to cref_ if
6247         --cref.
6248         (Input_objects::archive_start): Likewise.
6249         (Input_objects::archive_stop): Likewise.
6250         (Input_objects::print_cref): New function.
6251         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6252         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6253         --cref.
6254         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6255         function.
6256         * plugin.h (class Sized_pluginobj): Update declarations.
6257
6258 2010-01-05  Ian Lance Taylor  <iant@google.com>
6259
6260         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6261         to is_default_version.  Rename insdef to insdefault.
6262         (Symbol_table::add_from_relobj): Rename def to is_default_version
6263         and local to is_forced_local.
6264         (Symbol_table::add_from_pluginobj): Likewise.
6265         (Symbol_table::add_from_dynobj): Likewise.
6266         (Symbol_table::define_special_symbol): Rename insdef to
6267         insdefault.
6268
6269 2010-01-04  Ian Lance Taylor  <iant@google.com>
6270
6271         PR 10980
6272         * options.h (class General_options): Add
6273         --allow-multiple-definition and -z muldefs.
6274         * resolve.cc (Symbol_table::should_override): Don't warn about a
6275         multiple symbol definition if --allow-multiple-definition or -z
6276         muldefs.
6277
6278         PR 10980
6279         * options.h (class General_options): Add --add-needed and
6280         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6281         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6282         error if --copy-dt-needed-entries aka --add-needed is used and
6283         would cause a change in behaviour.
6284
6285         PR 10980
6286         * options.h (class General_options): Add -G as a short version of
6287         --shared.  Add no-op options -assert, -g, and -i.
6288
6289 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6290
6291         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6292         check for .text or .gnu.linkonce.t sections.
6293         * icf.cc (Icf::find_identical_sections): Ditto.
6294         Change the detection for mangled function name within the section
6295         name.
6296         * icf.h (is_section_foldable_candidate): New function.
6297
6298 2009-12-30  Ian Lance Taylor  <iant@google.com>
6299
6300         PR 10980
6301         * options.h (class General_options): Permit two dashes with
6302         --retain-symbols-file.
6303
6304 2009-12-30  Ian Lance Taylor  <iant@google.com>
6305
6306         PR 10979
6307         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6308         don't put the file header and segment headers in the text
6309         segment.
6310
6311         PR 10979
6312         * common.cc (Sort_commons::operator()): Stabilize sort when both
6313         entries are NULL.
6314         (Symbol_table::do_allocate_commons_list): When allocating common
6315         symbols, skip a symbol which is no longer common.
6316         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6317         an object before checking its type.
6318         * testsuite/common_test_2.c: New file.
6319         * testsuite/common_test_3.c: New file.
6320         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6321         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6322         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6323         (common_test_2_pic.o, common_test_2.so): New targets.
6324         (common_test_3_pic.o, common_test_3.so): New targets.
6325         * testsuite/Makefile.in: Rebuild.
6326
6327         PR 10979
6328         * script.cc (read_input_script): If we see a new SECTIONS clause,
6329         and we have added an input section, give an error.
6330         * layout.h (class Layout): Add have_added_input_section function.
6331         Add have_added_input_section_ field.
6332         * layout.cc (Layout::Layout): Initialize
6333         have_added_input_section_.
6334         (Layout::layout): Set have_added_input_section_.
6335         (Layout::layout_eh_frame): Likewise.
6336
6337 2009-12-30  Ian Lance Taylor  <iant@google.com>
6338
6339         PR 10931
6340         * options.h (class General_options): Add --sort-common option.
6341         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6342         * common.cc (Sort_common): Add sort_order parameter to
6343         constructor.  Add sort_order_ field.
6344         (Sort_commons::operator): Check sort_order_.
6345         (Symbol_table::allocate_commons): Determine the sort order.
6346         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6347         Change all callers.
6348         (Symbol_table::do_allocate_commons_list): Likewise.
6349
6350 2009-12-30  Ian Lance Taylor  <iant@google.com>
6351
6352         PR 10916
6353         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6354         symbols from this object, don't change the visibility of an
6355         undefined symbol.
6356         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6357
6358 2009-12-30  Ian Lance Taylor  <iant@google.com>
6359
6360         PR 10861
6361         * script.h (class Version_script_info): Define Language enum.
6362         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6363         new fields globals_, locals_, and is_finalized_.
6364         * script.cc: Various formatting fixes.
6365         (class Parser_closure): Change language_stack_ from a vector of
6366         std::string to one of Version_script_info::Language.  Adjust all
6367         uses accordingly.
6368         (class Lazy_demangler): Remove.
6369         (struct Version_expression): Change language from std::string to
6370         Version_script_info::Language.
6371         (Version_script_info::Version_script_info): New function.
6372         (Version_script_info::~Version_script_info): Don't call clear.
6373         (Version_script_info::finalize): New function.
6374         (Version_script_info::build_lookup_tables): New function.
6375         (Version_script_info::build_expression_list_lookup): New
6376         function.
6377         (Version_script_info::get_symbol_version_helper): Rewrite to use
6378         lookup tables.
6379         (Version_script_info::print_expression_list): Adjust to use
6380         Version_script_info::Language.
6381         (script_push_lex_into_version_mode): Check that the version script
6382         has not been finalized.
6383         (version_script_push_lang): Change language string to
6384         Version_script_info::Language.
6385         * options.cc (Command_line::version_script): New function.
6386         * options.h (class General_options): Add finalize_dynamic_list
6387         function.  Change version_script from declaration to definition.
6388         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6389         * testsuite/version_script.map: Remove duplicate def of foo.
6390         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6391         version_script.map.
6392         * testsuite/Makefile.in: Rebuild.
6393
6394 2009-12-30  Ian Lance Taylor  <iant@google.com>
6395
6396         PR 10843
6397         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6398         if the input symbol index is 0, make the output symbol index 0.
6399
6400 2009-12-30  Ian Lance Taylor  <iant@google.com>
6401
6402         PR 10670
6403         * options.h (class General_options): Add -x/--discard-all.
6404         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6405         --discard-all.  If the local symbol needs a dynamic entry, check
6406         that before handling --discard-locals.
6407
6408 2009-12-30  Ian Lance Taylor  <iant@google.com>
6409
6410         PR 10450
6411         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6412         flags to PF_R.
6413         (Output_segment::add_output_section): Don't change the flags if
6414         the type is PT_TLS.
6415
6416         PR 10450
6417         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6418         GNU hash table if they need a dynamic value.  Otherwise, don't add
6419         them if they are defined in a dynamic object or are forced local.
6420
6421 2009-12-29  Ian Lance Taylor  <iant@google.com>
6422
6423         PR 10450
6424         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6425         .gnu.hash table for a 32-bit target.
6426
6427         PR 10450
6428         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6429         regular and a dynamic object only needs a dynamic symbol table
6430         entry if it is externally visible.
6431
6432         PR 10450
6433         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6434         constructor.  Add global_offset_table_ field.
6435         (Target_i386::got_section): Set global_offset_table_.
6436         (Target_i386::do_finalize_sections): Set global_offset_table_
6437         size.
6438         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6439         in constructor.  Add global_offset_table_ field.
6440         (Target_x86_64::got_section): Set global_offset_table_.
6441         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6442         size.
6443
6444         * layout.cc (Layout::Layout): Initialize increase_relro_.
6445         (Layout::get_output_section): Add is_relro, is_last_relro, and
6446         is_first_non_relro parameters.  Change all callers.
6447         (Layout::choose_output_section): Likewise.
6448         (Layout::add_output_section_data): Likewise.
6449         (Layout::make_output_section): Likewise.
6450         (Layout::set_segment_offsets): Clear increase_relro when using a
6451         linker script.
6452         * layout.h (class Layout): Add increase_relro method.  Add
6453         increase_relro_ field.  Update declarations.
6454         * output.cc (Output_section::Output_section): Initialize
6455         is_last_relro_ and is_first_non_relro_.
6456         (Output_segment::add_output_section): Group relro sections is
6457         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6458         (Output_segment::maximum_alignment): Remove relro handling.
6459         (Output_segment::set_section_addresses): Add increase_relro
6460         parameter.  Change all callers.  Add initial alignment to align
6461         relro sections on separate page.  Remove old relro handling.
6462         (Output_segment::set_section_list_addresses): Remove in_relro
6463         parameter.  Change all callers.
6464         (Output_segment::set_offset): Add increase parameter.  Change all
6465         callers.  Remove old relro handling.
6466         * output.h (class Output_section): Add new methods: is_last_relro,
6467         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6468         Add is_last_relro_ and is_first_non_relro_ fields.
6469         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6470         Create separate .got.plt section.  Call increase_relro.
6471         * x86_64.cc (Target_x86_64::got_section): Likewise.
6472         * testsuite/relro_script_test.t: Add .got.plt.
6473
6474         PR 10450
6475         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6476         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6477         (Layout::finalize): Call set_dynamic_symbol_size.
6478         (Layout::set_dynamic_symbol_size): New function.
6479         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6480         set_dynamic_symbol_size.
6481
6482         PR 10450
6483         * output.h (class Output_section): Add is_entsize_zero_ field.
6484         * output.cc (Output_section::Output_section): Initialize
6485         is_entsize_zero_.
6486         (Output_section::set_entsize): If two different entsizes are
6487         requested, force it to zero.
6488         (Output_section::add_input_section): Set flags for .debug_str
6489         before updating section flags.  Set entsize.
6490         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6491         and SHF_STRING if all input sections have those flags.
6492
6493 2009-12-29   Rafael Espindola  <espindola@google.com>
6494
6495         * main.cc (main): Fix the sys time reporting.
6496         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6497         reporting.
6498
6499 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6500
6501         * options.cc (General_options::parse_version): Allow -v to exit
6502         without an error if there is nothing to link.
6503
6504 2009-12-29  Ian Lance Taylor  <iant@google.com>
6505
6506         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6507         using a version of gcc before 4.1.
6508         * configure: Rebuild.
6509
6510 2009-12-28  Chris Demetriou  <cgd@google.com>
6511
6512         * attributes.cc (Output_attributes_section_data::do_write): Use
6513         std::vector::front rather than std::vector::data.
6514
6515 2009-12-28  Ian Lance Taylor  <iant@google.com>
6516
6517         * symtab.h (class Symbol_table): Add enum Defined.
6518         * resolve.cc (Symbol_table::should_override): Add defined
6519         parameter.  Change all callers.  Test whether object is NULL
6520         before calling a method on it.
6521         (Symbol_table::report_resolve_problem): Add defined parameter.
6522         Change all callers.
6523         (Symbol_table::should_override_with_special): Likewise.
6524         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6525         parameter.  Change all callers.
6526         (Symbol_table::do_define_in_output_data): Likewise.
6527         (Symbol_table::define_in_output_segment): Likewise.
6528         (Symbol_table::do_define_in_output_segment): Likewise.
6529         (Symbol_table::define_as_constant): Likewise.
6530         (Symbol_table::do_define_as_constant): Likewise.
6531         * script.h (class Symbol_assignment): Add is_defsym parameter to
6532         constructor; change all callers.
6533         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6534         parameter.  Change all callers.  Add is_defsym_ field.
6535         (class Parser_closure): Add parsing_defsym parameter to
6536         constructor; change all callers.  Add parsing_defsym accessor
6537         function.  Add parsing_defsym_ field.
6538
6539 2009-12-28  Ian Lance Taylor  <iant@google.com>
6540
6541         * gold.cc (queue_middle_tasks): Fix formatting.
6542         * object.cc (Relobj::is_section_name_included): Likewise.
6543
6544 2009-12-23  Ian Lance Taylor  <iant@google.com>
6545
6546         * i386.cc (Target_i386::do_calls_non_split): Recognize
6547         -fsplit-stack prologue for a function with a static chain.
6548         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6549         -fsplit-stack prologue when using %r11.
6550
6551 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6552
6553         * options.cc (General_options::parse_version): Make -v continue and do
6554         the link like GNU ld does.
6555
6556 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6557
6558         * Makefile.am (CCFILES): Add timer.cc.
6559         (HFILES): Add timer.h.
6560         * configure.ac: Check for sysconf and times.
6561         * main.cc: include timer.h.
6562         (main): Use Timer instead of get_run_time.
6563         * timer.cc: New.
6564         * timer.h: New.
6565         * workqueue.cc: include timer.h.
6566         (Workqueue::find_and_run_task):
6567         Report user, sys and wall time.
6568         * Makefile.in: Regenerate.
6569         * config.in: Regenerate.
6570         * configure: Regenerate.
6571
6572 2009-12-16  Doug Kwan  <dougkwan@google.com>
6573
6574         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6575         sections.
6576         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6577         relaxed input sections.
6578         * output.cc (Output_section::find_relaxed_input_section): Change
6579         return type to Output_relaxed_input_section pointer.  Adjust code
6580         for new type of relaxed_input_section_map_.
6581         * output.h (Output_section::find_relaxed_input_section): Change
6582         return type to Output_relaxed_input_section pointer.
6583         (Output_section::Output_relaxed_input_section_by_input_section_map):
6584         New type.
6585         (Output_section::relaxed_input_section_map_): Change type to
6586         Output_section::Output_relaxed_input_section_by_input_section_map.
6587         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6588         input section.
6589
6590 2009-12-15  Ian Lance Taylor  <iant@google.com>
6591
6592         * layout.cc (Layout::create_shstrtab): Only write out after input
6593         sections if we are compressing debug sections.
6594
6595 2009-12-15  Ian Lance Taylor  <iant@google.com>
6596
6597         * archive.cc (Archive::add_symbols): Only look up a symbol without
6598         a version if there is, in fact, a version.
6599
6600 2009-12-14  Ian Lance Taylor  <iant@google.com>
6601
6602         Revert -Wshadow changes, all changes from:
6603         2009-12-11  Doug Kwan  <dougkwan@google.com>
6604         2009-12-11  Nick Clifton  <nickc@redhat.com>
6605         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6606
6607 2009-12-11  Doug Kwan  <dougkwan@google.com>
6608
6609         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6610         due to -Wshadow.
6611         * attributes.cc (Object_attribute::size): Ditto.
6612         (Attributes_section_data::size): Ditto.
6613         (Attributes_section_data::Attributes_section_data): Ditto.
6614         (Output_attributes_section_data::do_write): Ditto.
6615         * attributes.h (Object_attribute::set_type): Ditto.
6616         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6617
6618 2009-12-11  Nick Clifton  <nickc@redhat.com>
6619
6620         * archive.cc: Fix shadowed variable warnings.
6621         * arm.cc: Likewise.
6622         * compressed_output.cc: Likewise.
6623         * compressed_output.h: Likewise.
6624         * configure: Likewise.
6625         * dwarf_reader.cc: Likewise.
6626         * dynobj.cc: Likewise.
6627         * dynobj.h: Likewise.
6628         * ehframe.cc: Likewise.
6629         * ehframe.h: Likewise.
6630         * errors.cc: Likewise.
6631         * expression.cc: Likewise.
6632         * fileread.cc: Likewise.
6633         * fileread.h: Likewise.
6634         * freebsd.h: Likewise.
6635         * i386.cc: Likewise.
6636         * icf.cc: Likewise.
6637         * incremental.h: Likewise.
6638         * layout.cc: Likewise.
6639         * layout.h: Likewise.
6640         * mapfile.cc: Likewise.
6641         * merge.cc: Likewise.
6642         * merge.h: Likewise.
6643         * object.cc: Likewise.
6644         * object.h: Likewise.
6645         * options.h: Likewise.
6646         * output.cc: Likewise.
6647         * output.h: Likewise.
6648         * parameters.cc: Likewise.
6649         * plugin.cc: Likewise.
6650         * powerpc.cc: Likewise.
6651         * reduced_debug_output.cc: Likewise.
6652         * reduced_debug_output.h: Likewise.
6653         * reloc.cc: Likewise.
6654         * reloc.h: Likewise.
6655         * resolve.cc: Likewise.
6656         * script-sections.cc: Likewise.
6657         * script.cc: Likewise.
6658         * script.h: Likewise.
6659         * sparc.cc: Likewise.
6660         * symtab.cc: Likewise.
6661         * symtab.h: Likewise.
6662         * target-select.cc: Likewise.
6663         * target-select.h: Likewise.
6664         * token.h: Likewise.
6665         * workqueue.cc: Likewise.
6666         * workqueue.h: Likewise.
6667         * x86_64.cc: Likewise.
6668
6669 2009-12-10  Doug Kwan  <dougkwan@google.com>
6670
6671         * arm.cc (attributes.h): New include.
6672         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6673         (Arm_relobj::~Arm_relobj): Delete object pointed by
6674         attributes_section_data_.
6675         (Arm_relobj::attributes_section_data): New method definition.
6676         (Arm_relobj::attributes_section_data_): New data member declaration.
6677         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6678         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6679         attributes_section_data_.
6680         (Arm_dynobj::attributes_section_data): New method definition.
6681         (Arm_dynobj::attributes_section_data_): New data member declaration.
6682         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
6683         initialization value of may_use_blx_ to false.
6684         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6685         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6686         object attributes to compute results instead of hard-coding.
6687         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6688         Target_arm::get_secondary_compatible_arch,
6689         Target_arm::set_secondary_compatible_arch
6690         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6691         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6692         New method declarations.
6693         (Target_arm::get_aeabi_object_attribute): New method definition.
6694         (Target_arm::attributes_section_data_): New data member declaration.
6695         (read_arm_attributes_section): New template definition.
6696         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6697         (Arm_dynobj::do_read_symbols): Ditto.
6698         (Target_arm::do_finalize_sections): Merge attributes sections from
6699         input.  Check for BLX use after attributes section merging.
6700         Fix __exidx_start and __exidx_end visibility.  Create an
6701         .ARM.attributes section if necessary.
6702         (Target_arm::get_secondary_compatible_arch,
6703         Target_arm::set_secondary_compatible_arch,
6704         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6705         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
6706         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
6707         New method definitions.
6708
6709 2009-12-09  Ian Lance Taylor  <iant@google.com>
6710
6711         * plugin.cc (Plugin::load): Don't cast from void* to a function
6712         pointer.
6713
6714 2009-12-09  Ian Lance Taylor  <iant@google.com>
6715
6716         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6717         information fields.
6718
6719 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
6720
6721         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6722         Replace two_file_shared_1.so with two_file_shared_2.so.
6723         * testsuite/Makefile.in: Regenerated.
6724
6725 2009-12-08  Doug Kwan  <dougkwan@google.com>
6726
6727         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6728         (HFILES): Add attributes.h and int_encoding.h.
6729         * Makefile.in: Regenerate.
6730         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6731         function definitions to int_encoding.cc
6732         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6733         prototypes to int_encoding.h
6734         * reduced_debug_output.cc (int_encoding.h): New include.
6735         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6736         function definitions to int_encoding.cc
6737         (insert_into_vector, read_from_pointer): Move template definitions to
6738         int_encoding.h
6739         * attributes.cc: New file.
6740         * attributes.h: New file.
6741         * int_encoding.cc: New file.
6742         * int_encoding.h: New file.
6743
6744 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
6745
6746         PR gold/11055
6747         * incremental-dump.cc (dump_incremental_inputs): New.
6748         (main): Use dump_incremental_inputs.
6749
6750 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
6751
6752         PR gold/10893
6753         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6754         checking elfcpp::STT_FUNC.
6755         (Target_i386::Relocate::relocate): Likewise.
6756         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6757
6758         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6759         symbols from shared libraries into normal FUNC symbols.
6760
6761         * symtab.h (Symbol): Add is_func and use it.
6762
6763 2009-12-05  Doug Kwan  <dougkwan@google.com>
6764
6765         * arm.cc (Target_arm::arm_info): Initialize new fields
6766         attributes_section and attributes_vendor.
6767         * i386.cc (Target_i386::i386_info): Same.
6768         * object.cc (Sized_relobj::do_layout): Skip attribute section.
6769         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6770         fields attributes_section and attributes_vendor.
6771         * sparc.cc (Target_sparc::sparc_info): Same.
6772         * target.h (Target::attributes_section, Target::attributes_vendor,
6773         Target::is_attributes_section, Target::attribute_arg_type,
6774         Target::attributes_order): New method definitions.
6775         (Target::Target_info::attributes_section,
6776         Target::Target_info::attributes_vendor): New fields.
6777         (Target::do_attribute_arg_type, Target::do_attributes_order): New
6778         virtual method definitions.
6779         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6780         attributes_section and attributes_vendor.
6781         * testsuite/testfile.cc (Target_test::test_target_info): Same.
6782
6783 2009-12-05  Doug Kwan  <dougkwan@google.com>
6784
6785         * arm.cc: Update comments about interworking and stub generation.
6786         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6787         considered as non-PIC.
6788         (Arm_relocate_functions::base_abs): Fix formatting.
6789         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
6790         of function to use GOT entry address instead of offset.
6791         (Target_arm::Scan::global): Issue an error if a symbol would need a
6792         PLT does not get one because it is untyped.  Remove code to create
6793         dynamic symbols for relative branches.
6794         (Target_arm::Relocate::relocate: Use 0 instead of false since function
6795         takes unsigned integer instead of boolean.
6796
6797 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
6798
6799         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6800         (two_file_test_LDADD): Likewise.
6801         (common_test_1_LDADD): Likewise.
6802         (exception_test_LDADD) Likewise.
6803         (weak_test_LDADD): Likewise.
6804         (many_sections_test_LDADD): Likewise.
6805         (initpri1_LDADD): Likewise.
6806         (script_test_1_LDADD): Likewise.
6807         (script_test_2_LDADD): Likewise.
6808         (justsyms_LDADD): Likewise.
6809         (binary_test_LDADD): Likewise.
6810         (large_LDADD): Likewise.
6811         * testsuite/Makefile.in: Regenerated.
6812
6813 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
6814
6815         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6816         (Symbol_table::override_with_special): Likewise.
6817         (Symbol_table::add_from_object): Likewise.
6818
6819 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6820
6821         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6822         Don't set the data_offset twice.
6823
6824 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
6825
6826         * testsuite/Makefile.in: Regenerate.
6827
6828 2009-12-03  Doug Kwan  <dougkwan@google.com>
6829
6830         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6831         (Target_arm::do_finalize_sections): Add parameter for symbol table
6832         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
6833         * i386.cc (Target_i386::do_finalize_sections): Add an additional
6834         parameter for symbol table pointer.
6835         * layout.cc (Layout::finalize): Call Target::finalize_sections with
6836         an additional parameter for a pointer to symbol table.
6837         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6838         parameter for a symbol table pointer.
6839         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6840         * target.h (Target::finalize_sections, Target::do_finalize_sections):
6841         Ditto.
6842         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6843         parameter for a symbol table pointer.
6844
6845 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
6846
6847         * incremental.cc (Incremental_inputs_header)
6848         (Incremental_inputs_header_write, Incremental_inputs_entry)
6849         (Incremental_inputs_entry_write): Move ...
6850         * incremental.h (Incremental_inputs_header)
6851         (Incremental_inputs_header_write, Incremental_inputs_entry)
6852         (Incremental_inputs_entry_write): here.
6853
6854 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6855
6856         * incremental.cc (make_sized_incremental_binary): Set the target.
6857         Error if it is incompatible.
6858         * output.h (Output_file): Add filename method.
6859
6860 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6861
6862         * incremental.cc (Incremental_inputs_entry): Remove unused argument
6863         from the get_* methods.
6864
6865 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6866
6867         * incremental-dump.cc (main): Check that the offeset of a script is 0.
6868         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6869         Write 0 for the data_offset of scripts.
6870
6871 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
6872
6873         * testsuite/Makefile.am: Add the incremental_test.sh test.
6874         * testsuite/incremental_test.sh: New.
6875         * testsuite/incremental_test_1.c: New.
6876         * testsuite/incremental_test_2.c: New.
6877
6878 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
6879
6880        * incremental-dump.cc (main): Fix typos.
6881
6882 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
6883
6884         PR gold/11025
6885         * incremental-dump.cc (main): Use llu to print 64 bit values.
6886
6887 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
6888             H.J. Lu  <hongjiu.lu@intel.com>
6889
6890         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6891         $(LIBDL).
6892         (incremental_dump_LDADD): Likewise.
6893         * Makefile.in: Regenerated.
6894
6895 2009-11-25  Doug Kwan  <dougkwan@google.com>
6896
6897         Revert:
6898
6899         2009-11-25  Doug Kwan  <dougkwan@google.com>
6900
6901                 * arm.cc (Target_arm::Target_arm): Move method definition
6902                 outside of class definition.  Add code to handle
6903                 --target1-rel, --target1-abs and --target2= options.
6904                 (Target_arm::get_reloc_reloc_type): Change method to be
6905                 non-static and const.
6906                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6907                 New data member declaration.
6908                 (Target_arm::Scan::local, Target_arm::Scan::global,
6909                 Target_arm::Relocate::relocate,
6910                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6911                 Adjust call to Target_arm::get_real_reloc_type.
6912                 (Target_arm::get_real_reloc_type): Use command line options
6913                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6914                 * options.h (--target1-rel, --target1-abs, --target2): New
6915                 ARM-only options.
6916
6917 2009-11-25  Doug Kwan  <dougkwan@google.com>
6918
6919         * arm.cc (Target_arm::Target_arm): Move method definition outside of
6920         class definition.  Add code to handle --target1-rel, --target1-abs
6921         and --target2= options.
6922         (Target_arm::get_reloc_reloc_type): Change method to be non-static
6923         and const.
6924         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6925         member declaration.
6926         (Target_arm::Scan::local, Target_arm::Scan::global,
6927         Target_arm::Relocate::relocate,
6928         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6929         call to Target_arm::get_real_reloc_type.
6930         (Target_arm::get_real_reloc_type): Use command line options to
6931         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6932         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6933         options.
6934
6935 2009-11-25  Doug Kwan  <dougkwan@google.com>
6936
6937         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6938         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6939         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6940         formatting.
6941         (Arm_relocate_functions::thm_call): Replace body with a call to
6942         Arm_relocate_functions::thumb_branch_common.
6943         (Arm_relocate_functions::thm_jump24,
6944         Arm_relocate_functions::thm_xpc22): New method definitions.
6945         (Arm_relocate_functions::thumb_branch_common): New method definition.
6946         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6947         operator.
6948         (Target_arm::Relocate::relocate): Adjust call to thm_call.
6949         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6950
6951 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6952
6953         * Makefile.am: Build incremental-dump
6954         * Makefile.in: Regenerate.
6955         * incremental-dump.cc: New.
6956         * incremental.cc (Incremental_inputs_header_data,
6957         Incremental_inputs_entry_data): Move to incremental.h
6958         * incremental.h: (Incremental_inputs_header_data,
6959         Incremental_inputs_entry_data): Move from incremental.cc
6960
6961 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6962
6963         * incremental.cc (Incremental_inputs_header,
6964         Incremental_inputs_header_write, Incremental_inputs_entry,
6965         Incremental_inputs_entry_write): Add a typedef with the data type.
6966
6967 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
6968
6969         * incremental.cc (Incremental_inputs_header,
6970         Incremental_inputs_header_write, Incremental_inputs_entry,
6971         Incremental_inputs_entry_write): Update comment about which
6972         type has the filed descriptions.
6973
6974 2009-11-15  Doug Kwan  <dougkwan@google.com>
6975
6976         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6977         (Arm_relocate_functions::arm_branch_common): Change method defintion
6978         in class definition to a method declaration and update list of formal
6979         parameters.
6980         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6981         Arm_relocation_functions::jump24): Adjust call to
6982         Arm_relocate_functions::arm_branch_common.  Update list of formal
6983         parameters.
6984         (Arm_relocate_functions::xpc25): New method definition.
6985         (Arm_relocate_functions::arm_branch_common): Move method defintion
6986         out from class definition.  Use stubs for mode-switching and extending
6987         branch ranges.
6988         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6989         specially.  Change code to enable use of stubs in ARM branches.
6990
6991 2009-11-10  Doug Kwan  <dougkwan@google.com>
6992
6993         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6994         in method declaration.
6995         (Target_arm::relocate_stub): New method declaration.
6996         (Target_arm::default_target): Change to return a pointer instead of
6997         a const reference.
6998         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6999         Target_arm::default_target.
7000         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7001         method definition.
7002         (Target_arm::relocate_section): Adjust view.
7003         (Target_arm::relocate_stub): New method definition.
7004
7005 2009-11-10  Doug Kwan  <dougkwan@google.com>
7006
7007         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7008         a format warning.
7009         * incremental.cc (open_incremental_binary): Initialized local
7010         variables to avoid warnings.
7011         * object.cc (make_elf_object): Ditto.
7012         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7013         a format warning.
7014
7015 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7016
7017         PR gold/10930
7018         * testsuite/plugin_test.c: Include "config.h".
7019
7020 2009-11-09  Doug Kwan  <dougkwan@google.com>
7021
7022         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7023         (arm_symbol_value): Remove.
7024         (Arm_relocate_functions::arm_branch_common,
7025         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7026         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7027         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7028         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7029         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7030         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7031         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7032         Arm_relocate_functions::thm_mobw_abs_nc,
7033         Arm_relocate_functions::thm_mov_abs,
7034         Arm_relocate_functions::movw_prel_nc,
7035         Arm_relocate_functions::thm_movt_abs,
7036         Arm_relocate_functions::movt_prel,
7037         Arm_relocate_functions::thm_movw_prel_nc,
7038         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7039         (Target_arm::Relocate::relocate): Only decompose address into two
7040         parts if relocation type uses the thumb-bit and pass the actual
7041         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7042         calls to methods in Arm_relocate_functions for this change.
7043
7044 2009-11-08  Ian Lance Taylor  <iant@google.com>
7045
7046         PR 10925
7047         * reloc.cc: Instantiate
7048         Sized_relobj::initialize_input_to_output_maps and
7049         Sized_relobj:free_input_to_output_maps.
7050
7051 2009-11-06  Ian Lance Taylor  <iant@google.com>
7052
7053         PR 10876
7054         * defstd.cc (in_segment): Set only_if_ref true for "end".
7055
7056 2009-11-06  Doug Kwan  <dougkwan@google.com>
7057
7058         * arm.cc (class Reloc_stub): Correct a comment.
7059         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7060         (Target_arm::scan_section_for_stubs): New method declaration.
7061         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7062         Change methods from private to protected.
7063         (Target_arm::do_may_relax): New method definition.
7064         (Target_arm::do_relax, Target_arm::group_sections,
7065         Target_arm::scan_reloc_for_stub,
7066         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7067         (Target_arm::arm_input_section_map_): New data member declaration.
7068         (Target_arm::scan_reloc_for_stub,
7069         Target_arm::scan_reloc_section_for_stubs,
7070         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7071         Target_arm::do_relax): New method definitions.
7072
7073 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7074
7075         * configure.ac: Check for (struct stat)::st_mtim
7076         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7077         * config.in: Regenerate.
7078         * configure: Regenerate.
7079
7080 2009-11-05  Ian Lance Taylor  <iant@google.com>
7081
7082         PR 10910
7083         * output.cc (Output_segment::add_output_section): Add missing
7084         return statement.
7085
7086 2009-11-04  Ian Lance Taylor  <iant@google.com>
7087
7088         PR 10880
7089         * object.h (class Object): Add is_needed and set_is_needed
7090         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7091         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7092         defined in a dynamic object and referenced by a regular object,
7093         set is_needed for the dynamic object.
7094         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7095         if the file is marked with as_needed and it is not needed.
7096
7097 2009-11-04  Ian Lance Taylor  <iant@google.com>
7098
7099         PR 10887
7100         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7101         tags if data is discarded by linker script.
7102         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7103         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7104         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7105         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7106
7107 2009-11-04  Ian Lance Taylor  <iant@google.com>
7108
7109         * layout.cc (Layout::get_output_section): Add is_interp and
7110         is_dynamic_linker_section parameters.  Change all callers.
7111         (Layout::choose_output_section): Likewise.
7112         (Layout::make_output_section): Likewise.
7113         (Layout::add_output_section_data): Add is_dynamic_linker_section
7114         parameter.  Change all callers.
7115         * layout.h (class Layout): Update declarations.
7116         * output.h (class Output_section): Add is_interp, set_is_interp,
7117         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7118         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7119         generate_code_fills_at_write_ to a bitfield.
7120         * output.cc (Output_section::Output_sections): Initialize new
7121         fields.
7122         (Output_segment::add_output_section): Add do_sort parameter.
7123         Change all callers.
7124
7125 2009-11-03  Ian Lance Taylor  <iant@google.com>
7126
7127         PR 10860
7128         * options.h (class General_options): Add --warn-common.
7129         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7130         merging two common symbols.
7131         (Symbol_table::should_override): Handle --warn-common when merging
7132         a common symbol with a defined symbol.  Use report_resolve_problem
7133         for multiple definitions.
7134         (Symbol_table::report_resolve_problem): New function.
7135         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7136
7137 2009-11-03  Doug Kwan  <dougkwan@google.com>
7138
7139         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7140         stub_factory_.
7141         (Target_arm::stub_factory): New method definition.
7142         (Target_arm::new_arm_input_section,
7143         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7144         Target_arm::reloc_uses_thumb_bit): New method declarations.
7145         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7146         New type definitions.
7147         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7148         member declarations.
7149         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7150         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7151         New method definitions.
7152
7153 2009-11-03  Ian Lance Taylor  <iant@google.com>
7154
7155         * options.h (class General_options): Add --warn_constructors.
7156
7157 2009-11-03  Ian Lance Taylor  <iant@google.com>
7158
7159         PR 10893
7160         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7161         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7162
7163 2009-11-03  Ian Lance Taylor  <iant@google.com>
7164
7165         PR 10895
7166         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7167         --msgid-bugs-address.
7168         (install-pdf): New target.
7169         (install-data_yes): Look up one directory to find mkinstalldirs.
7170
7171 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7172
7173         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7174         tree.
7175
7176 2009-10-30  Doug Kwan  <dougkwan@google.com>
7177
7178         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7179
7180 2009-10-30  Doug Kwan  <dougkwan@google.com>
7181
7182         * arm.cc (Stub_addend_reader): New struct template definition
7183         and partial specializations.
7184         (Stub_addend_reader::operator()): New method definition for a
7185         partially specialized template.
7186
7187 2009-10-30  Doug Kwan  <dougkwan@google.com>
7188
7189         * arm.cc (Arm_relobj::processor_specific_flags): New method
7190         definition.
7191         (Arm_relobj::do_read_symbols): New method declaration.
7192         (Arm_relobj::processor_specific_flags_): New data member declaration.
7193         (Arm_dynobj): New class definition.
7194         (Target_arm::do_finalize_sections): Add input_objects parameter.
7195         (Target_arm::do_adjust_elf_header): New method declaration.
7196         (Target_arm::are_eabi_versions_compatible,
7197         (Target_arm::merge_processor_specific_flags): New method declaration.
7198         (Target_arm::do_make_elf_object): New overloaded method definitions
7199         and declaration.
7200         (Arm_relobj::do_read_symbols): New method definition.
7201         (Arm_dynobj::do_read_symbols): Ditto.
7202         (Target_arm::do_finalize_sections): Add input_objects parameters.
7203         Merge processor-specific flags from all input objects.
7204         (Target_arm::are_eabi_versions_compatible,
7205         Target_arm::merge_processor_specific_flags,
7206         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7207         New method definitions.
7208         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7209         Input_objects pointer type parameter.
7210         * layout.cc (Layout::finalize): Pass input objects to target's.
7211         finalize_sections function.
7212         * output.cc (Output_file_header::do_sized_write): Set ELF file
7213         header's processor-specific flags.
7214         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7215         Input_objects pointer type parameter.
7216         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7217         * target.h (Input_objects): New forward class declaration.
7218         (Target::processor_specific_flags,
7219         Target::are_processor_specific_flags_sect): New method definitions.
7220         (Target::finalize_sections): Add input_objects parameter.
7221         (Target::Target): Initialize processor_specific_flags_ and
7222         are_processor_specific_flags_set_.
7223         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7224         parameter.
7225         (Target::set_processor_specific_flags): New method definition.
7226         (Target::processor_specific_flags_,
7227         Target::are_processor_specific_flags_set_): New data member
7228         declarations.
7229         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7230         Input_objects pointer type parameter.
7231
7232 2009-10-30  Doug Kwan  <dougkwan@google.com>
7233
7234         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7235
7236 2009-10-28  Ian Lance Taylor  <iant@google.com>
7237
7238         * object.h (class Relobj): Drop options parameter from
7239         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7240         do_scan_relocs, do_relocate.  Change all callers.
7241         (class Sized_relobj): Drop options parameters from
7242         do_gc_process_relocs, do_scan_relocs, do_relocate,
7243         do_relocate_sections, relocate_sections, emit_relocs_scan,
7244         emit_relocs_scan_reltype.  Change all callers.
7245         (struct Relocate_info): Remove options field and all references to
7246         it.
7247         * reloc.h (class Read_relocs): Remove options constructor
7248         parameter and options_ field.  Change all callers.
7249         (class Gc_process_relocs, class Scan_relocs): Likewise.
7250         (class Relocate_task): Likewise.
7251         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7252         all callers.
7253         (scan_relocatable_relocs): Likewise.
7254         * target.h (class Sized_target): Remove options parameter from
7255         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7256         all callers.
7257         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7258         callers.
7259         * arm.cc: Update functions to remove options parameters.
7260         * i386.cc: Likewise.
7261         * powerpc.cc: Likewise.
7262         * sparc.cc: Likewise.
7263         * x86_64.cc: Likewise.
7264         * testsuite/testfile.cc: Likewise.
7265
7266 2009-10-28  Doug Kwan  <dougkwan@google.com>
7267
7268         * arm.cc (Arm_relobj): New class definition.
7269         (Arm_relobj::scan_sections_for_stubs,
7270         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7271         New method definitions.
7272
7273 2009-10-28  Cary Coutant  <ccoutant@google.com>
7274
7275         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7276         (Plugin::cleanup_done_): New member.
7277         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7278         (Plugin_manager::cleanup_done_): Remove.
7279         (Plugin_manager::add_input_file): Edit error message.
7280         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7281         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7282
7283 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7284
7285         * fileread.cc: (File_read::View::~View): Use the new
7286         data_ownership_ filed.
7287         (File_read::~File_read): Dispose the new whole_file_view_.
7288         (File_read::open): Mmap the whole file if needed.
7289         (File_read::open): Use whole_file_view_ instead of contents_.
7290         (File_read::find_view): Use whole_file_view_ if applicable.
7291         (File_read::do_read): Use whole_file_view_ instead of contents_.
7292         (File_read::make_view): Use whole_file_view_ instead of contents_,
7293         update File_read::View::View call.
7294         (File_read::find_or_make_view): Update File_read::View::View
7295         call.
7296         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7297         remove contents_
7298         (File_read::View::Data_ownership): New enum.
7299         (File_read::View::View): Replace bool mapped_ with Data_ownership
7300         argument.
7301         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7302         (File_read::View::data_ownership_): New field.
7303         (File_read::contents_): Remove (replaced by whole_file_view_).
7304         (File_read::whole_file_view_): New field.
7305         * options.h (class General_options): Add --keep-files-mapped.
7306
7307 2009-10-27  Cary Coutant  <ccoutant@google.com>
7308
7309         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7310         * testsuite/Makefile.am (plugin_test_5): New test case.
7311         * testsuite/Makefile.in: Regenerate.
7312
7313 2009-10-25  Doug Kwan  <dougkwan@google.com>
7314
7315         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7316         from private to protected to allow access by child class.
7317         (Sized_relobj::do_relocate_sections): New method declaration.
7318         (Sized_relobj::relocate_sections): Virtualize.
7319         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7320         Sized_relobj::relocate_sections.  Instantiate template explicitly
7321         for different target sizes and endianity.
7322
7323 2009-10-24  Doug Kwan  <dougkwan@google.com>
7324
7325         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7326         (Arm_input_section::as_arm_input_section): New method.
7327         (Arm_output_section): New class definition.
7328         (Arm_output_section::create_stub_group,
7329         Arm_output_section::group_sections): New method definitions.
7330
7331 2009-10-22  Doug Kwan  <dougkwan@google.com>
7332
7333         * arm.cc (Arm_input_section): New class definition.
7334         (Arm_input_section::init, Arm_input_section:do_write,
7335         Arm_input_section::set_final_data_size,
7336         Arm_input_section::do_reset_address_and_file_offset): New method
7337         definitions.
7338
7339 2009-10-21  Doug Kwan  <dougkwan@google.com>
7340
7341         * arm.cc (Stub_table, Arm_input_section): New forward class
7342         declarations.
7343         (Stub_table): New class defintion.
7344         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7345         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7346         New method definition.
7347
7348 2009-10-21  Doug Kwan  <dougkwan@google.com>
7349
7350         * arm.cc: Update copyright comments.
7351         (Target_arm): New forward class template declaration.
7352         (Arm_address): New type.
7353         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7354         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7355         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7356         constants.
7357         (Insn_template): Same.
7358         (DEF_STUBS): New macro.
7359         (Stub_type): New enum type.
7360         (Stub_template): New class definition.
7361         (Stub): Same.
7362         (Reloc_stub): Same.
7363         (Stub_factory): Same.
7364         (Target_arm::Target_arm): Initialize may_use_blx_ and
7365         should_force_pic_veneer_.
7366         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7367         Target_arm::should_force_pic_veneer,
7368         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7369         Target_arm::using_thumb_only, Target_arm:;default_target): New
7370         method defintions.
7371         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7372         New data member declarations.
7373         (Insn_template::size, Insn_template::alignment): New method defintions.
7374         (Stub_template::Stub_template): New method definition.
7375         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7376         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7377         (Stub_factory::Stub_factory): New method definition.
7378         * gold.h (string_hash): New template.
7379         * output.h (Input_section_specifier::hash_value): Use
7380         gold::string_hash.
7381         (Input_section_specifier::string_hash): Remove.
7382         * stringpool.cc (Stringpool_template::string_hash): Use
7383         gold::string_hash.
7384
7385 2009-10-20  Doug Kwan  <dougkwan@google.com>
7386
7387         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7388         symbols of relaxed input sections.
7389         * output.h (Output_section::find_relaxed_input_section): Make
7390         method public.
7391
7392 2009-10-16  Doug Kwan  <dougkwan@google.com>
7393
7394         * dynobj.cc (Versions::Versions): Initialize version_script_.
7395         Only insert base version symbol definition for a shared object
7396         if version script defines any version versions.
7397         (Versions::define_base_version): New method definition.
7398         (Versions::add_def): Check that base version is not needed.
7399         (Versions::add_need): Define base version lazily.
7400         * dynobj.h (Versions::define_base_version): New method declaration.
7401         (Versions::needs_base_version_): New data member declaration.
7402         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7403         (check_DATA): Add no_version_test.stdout.
7404         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7405         New make rules.
7406         * testsuite/Makefile.in: Regenerate.
7407         * testsuite/no_version_test.c: New file.
7408         * testsuite/no_version_test.sh: Ditto.
7409
7410 2009-10-16  Doug Kwan  <dougkwan@google.com>
7411
7412         * expression.cc (class Segment_start_expression): New class definition.
7413         (Segment_start_expression::value): New method definition.
7414         (script_exp_function_segment_start): Return a new
7415         Segment_start_expression.
7416         * gold/script-c.h (script_saw_segment_start_expression): New function
7417         prototype.
7418         * script-sections.cc (Script_sections::Script_sections): Initialize
7419         SAW_SEGMENT_START_EXPRESSION_ to false.
7420         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7421         and -Tbbs options to specify section addresses if given in
7422         command line and no SEGMENT_START expression is seen in a script.
7423         * script-sections.h (Script_sections::saw_segment_start_expression,
7424         Script_sections::set_saw_segment_start_expression): New method
7425         definition.
7426         (Script_sections::saw_segment_start_expression_): New data member
7427         declaration.
7428         * script.cc (script_saw_segment_start_expression): New function.
7429         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7430         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7431         script_test_7.sh and script_test_8.sh.
7432         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7433         script_test_8.stdout.
7434         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7435         (script_test_6, script_test_6.stdout, script_test_7,
7436         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7437         * Makefile.in: Regenerate.
7438         * testsuite/script_test_6.sh: New file.
7439         * testsuite/script_test_6.t: Same.
7440         * testsuite/script_test_7.sh: Same.
7441         * testsuite/script_test_7.t: Same.
7442         * testsuite/script_test_8.sh: Same.
7443
7444 2009-10-16  Doug Kwan  <dougkwan@google.com>
7445
7446         * output.cc (Output_segment::set_section_list_address): Cast
7447         expressions to unsigned long long type to avoid format warnings.
7448
7449 2009-10-15  Ian Lance Taylor  <iant@google.com>
7450
7451         * script.cc (Script_options::add_symbol_assignment): Always add a
7452         dot assignment to script_sections_.
7453         * script-sections.cc (Script_sections::add_dot_assignment):
7454         Initialize if necessary.
7455
7456         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7457         program headers with no load segment if there is a linker script.
7458
7459         * layout.cc (Layout::set_segment_offsets): Align the file offset
7460         to the segment aligment for -N or -n with no load segment.
7461         * output.cc (Output_segment::add_output_section): Don't crash if
7462         the first section is a TLS section.
7463         (Output_segment::set_section_list_addresses): Print an error
7464         message if the address moves backward in a linker script.
7465         * script-sections.cc
7466         (Output_section_element_input::set_section_addresses): Don't
7467         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7468         (Orphan_output_section::set_section_addresses): Likewise.
7469
7470 2009-10-15  Doug Kwan  <dougkwan@google.com>
7471
7472         * layout.cc (Layout::finish_dynamic_section): Generate tags
7473         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7474         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7475         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7476
7477 2009-10-14  Ian Lance Taylor  <iant@google.com>
7478
7479         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7480         fields.
7481         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7482         data_shdr fields of relinfo.
7483         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7484         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7485         R_386_TLS_LDO_32, adjust based on section flags.
7486         (Target_i386::Relocate::fix_up_ldo): Remove.
7487
7488 2009-10-13  Ian Lance Taylor  <iant@google.com>
7489
7490         Add support for -pie.
7491         * options.h (class General_options): Add -pie and
7492         --pic-executable.
7493         (General_options::output_is_position_independent): Test -pie.
7494         (General_options::output_is_executable): Return true if not shared
7495         and not relocatable.
7496         (General_options::output_is_pie): Remove.
7497         * options.cc (General_options::finalize): Reject incompatible uses
7498         of -pie.
7499         * gold.cc (queue_middle_tasks): A -pie link is not static.
7500         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7501         * symtab.cc (Symbol::final_value_is_known): Return false if
7502         output_is_position_independent.
7503         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7504         output_is_position_independent.
7505         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7506         output_is_position_independent.
7507         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7508         output_is_position_independent.
7509         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7510         two_file_pie_test.
7511         (basic_pie_test.o, basic_pie_test): New targets.
7512         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7513         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7514         (two_file_pie_test): New target.
7515         * testsuite/Makefile.in: Rebuild.
7516         * README: Remove note saying that -pie is not supported.
7517
7518 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7519
7520         * options.h (class General_options): Add -init and -fini.
7521         * layout.cc (Layout::finish_dynamic_section): Emit
7522         given init and fini functions.
7523
7524 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7525
7526         * gc.h (gc_process_relocs): Check if icf is enabled using new
7527         function.
7528         * gold.cc (queue_initial_tasks): Likewise.
7529         (queue_middle_tasks): Likewise.
7530         * object.cc (do_layout): Likewise.
7531         * symtab.cc (is_section_folded): Likewise.
7532         * main.cc (main): Likewise.
7533         * reloc.cc (Read_relocs::run): Likewise.
7534         (Sized_relobj::do_scan_relocs): Likewise.
7535         * icf.cc (is_function_ctor_or_dtor): New function.
7536         (Icf::find_identical_sections): Check if function is ctor or dtor when
7537         safe icf is chosen.
7538         * options.h (General_options::icf): Change option to be an enum.
7539         (Icf_status): New enum.
7540         (icf_enabled): New method.
7541         (icf_safe_folding): New method.
7542         (set_icf_status): New method.
7543         (icf_status_): New variable.
7544         * (options.cc) (General_options::finalize): Set icf_status_.
7545         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7546         icf_test and icf_keep_unique_test to use the --icf enum flag.
7547         * testsuite/icf_safe_test.sh: New file.
7548         * testsuite/icf_safe_test.cc: New file.
7549
7550 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7551
7552         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7553         includes to gc.h and icf.h.
7554         * arm.cc: Include gc.h.
7555         * gold.cc: Likewise.
7556         * i386.cc: Likewise.
7557         * powerpc.cc: Likewise.
7558         * sparc.cc: Likewise.
7559         * x86_64.cc: Likewise.
7560         * gc.h: Include icf.h.
7561
7562 2009-10-11  Ian Lance Taylor  <iant@google.com>
7563
7564         * plugin.cc: Include "gold.h" before other header files.
7565
7566 2009-10-10  Chris Demetriou  <cgd@google.com>
7567
7568         * options.h (Input_file_argument::Input_file_type): New enum.
7569         (Input_file_argument::is_lib_): Replace with...
7570         (Input_file_argument::type_): New member.
7571         (Input_file_argument::Input_file_argument): Take Input_file_type
7572         'type' rather than boolean 'is_lib' as second argument.
7573         (Input_file_argument::is_lib): Use type_.
7574         (Input_file_argument::is_searched_file): New function.
7575         (Input_file_argument::may_need_search): Handle is_searched_file.
7576         * options.cc (General_options::parse_library): Support -l:filename.
7577         (General_options::parse_just_symbols): Update for Input_file_argument
7578         changes.
7579         (Command_line::process): Likewise.
7580         * archive.cc (Archive::get_file_and_offset): Likewise.
7581         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7582         * script.cc (read_script_file, script_add_file): Likewise.
7583         * fileread.cc (Input_file::Input_file): Likewise.
7584         (Input_file::will_search_for): Handle is_searched_file.
7585         (Input_file::open): Likewise.
7586         * readsyms.cc (Read_symbols::get_name): Likewise.
7587         * testsuite/Makefile.am (searched_file_test): New test.
7588         * testsuite/Makefile.in: Regenerate.
7589         * testsuite/searched_file_test.cc: New file.
7590         * testsuite/searched_file_test_lib.cc: New file.
7591
7592 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7593             Ian Lance Taylor  <iant@google.com>
7594
7595         * descriptor.cc: Include <cstdio> and "binary-io.h".
7596         (Descriptors::open): Open the files in binary mode always.
7597         * script.cc (Lex::get_token): Treat \r as whitespace.
7598
7599 2009-10-09  Ian Lance Taylor  <iant@google.com>
7600
7601         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7602
7603 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7604             Ian Lance Taylor  <iant@google.com>
7605
7606         * configure.ac: Check for readv function also.
7607         * fileread.cc (readv): Define if not HAVE_READV.
7608         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7609         does not exist.
7610         * config.in: Regenerate.
7611         * configure: Regenerate.
7612
7613 2009-10-09  Doug Kwan  <dougkwan@google.com>
7614
7615         * layout.cc (Layout::make_output_section): Call target hook to make
7616         ordinary output section.
7617         (Layout::finalize): Adjust parameter list of call the
7618         Target::may_relax().
7619         * layout.h (class Layout::section_list): New method.
7620         * merge.h (Output_merge_base::entsize): Change visibility to public.
7621         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7622         New methods.
7623         (Output_merge_string::do_is_string): New method.
7624         * object.cc (Sized_relobj::do_setup): renamed from
7625         Sized_relobj::set_up.
7626         * object.h (Sized_relobj::adjust_shndx,
7627         Sized_relobj::initializ_input_to_output_maps,
7628         Sized_relobj::free_input_to_output_maps): Change visibilities to
7629         protected.
7630         (Sized_relobj::setup): Virtualize.
7631         (Sized_relobj::do_setup): New method declaration.
7632         (Sized_relobj::invalidate_section_offset,
7633         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7634         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7635         * options.cc (parse_int): New function.
7636         * options.h (parse_int): New declaration.
7637         (DEFINE_int): New macro.
7638         (stub_group_size): New option.
7639         * output.cc (Output_section::Output_section): Initialize memebers
7640         merge_section_map_, merge_section_by_properties_map_,
7641         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7642         (Output_section::add_input_section): Handled deferred code-fill
7643         generation and remove an old comment.
7644         (Output_section::add_relaxed_input_section): New method definition.
7645         (Output_section::add_merge_input_section): Use merge section by
7646         properties map to speed to search.  Update merge section maps
7647         as appropriate.
7648         (Output_section::build_relaxation_map): New method definition.
7649         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7650         Same.
7651         (Output_section::relax_input_section): Renamed to
7652         Output_section::convert_input_sections_to_relaxed_sections and change
7653         interface to take a vector of pointers to relaxed sections.
7654         (Output_section::find_merge_section,
7655         Output_section::find_relaxed_input_section): New method definitions.
7656         (Output_section::is_input_address_mapped,
7657         Output_section::output_offset, Output_section::output_address):
7658         Use output section data maps to speed up searching.
7659         (Output_section::find_starting_output_address): Add comments.
7660         (Output_section::do_write,
7661         Output_section::write_to_postprocessing_buffer): Do code-fill
7662         generation as appropriate.
7663         (Output_section::get_input_sections): Invalidate relaxed input section
7664         map.
7665         (Output_section::restore_states): Adjust type of checkpoint .
7666         Invalidate relaxed input section map.
7667         * output.h (Output_merge_base): New class declaration.
7668         (Input_section_specifier): New class defintion.
7669         (class Output_relaxed_input_section) Change base class to
7670         Output_section_data_build.
7671         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7672         base class initializer.
7673         (Output_section::add_relaxed_input_section): New method declaration.
7674         (Output_section::Input_section): Change visibility to protected.
7675         (Output_section::Input_section::relobj,
7676         Output_section::Input_section::shndx): Handle relaxed input sections.
7677         Output_section::input_sections) Change visibility to protected.  Also
7678         define overload to return a non-const pointer.
7679         (Output_section::Merge_section_properties): New class defintion.
7680         (Output_section::Merge_section_by_properties_map,
7681         Output_section::Output_section_data_by_input_section_map,
7682         Output_section::Relaxation_map): New types.
7683         (Output_section::relax_input_section): Rename method to
7684         Output_section::convert_input_sections_to_relaxed_sections and change
7685         interface to take a vector of relaxed section pointers.
7686         (Output_section::find_merge_section,
7687         Output_section::find_relaxed_input_section,
7688         Output_section::build_relaxation_map,
7689         Output_section::convert_input_sections_in_list_to_relaxed_sections):
7690         New method declarations.
7691         (Output_section::merge_section_map_
7692         Output_section::merge_section_by_properties_map_,
7693         Output_section::relaxed_input_section_map_,
7694         Output_section::is_relaxed_input_section_map_valid_,
7695         Output_section::generate_code_fills_at_write_): New data members.
7696         * script-sections.cc
7697         (Output_section_element_input::set_section_addresses): Call
7698         current_data_size and addralign methods of relaxed input sections.
7699         (Orphan_output_section::set_section_addresses): Call current_data_size
7700         and addralign methods of relaxed input sections.
7701         * symtab.cc (Symbol_table::compute_final_value): Extract template
7702         from the body of Symbol_table::sized_finalize_symbol.
7703         (Symbol_table::sized_finalized_symbol): Call
7704         Symbol_table::compute_final_value.
7705         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7706         (Symbol_table::compute_final_value): New templated method declaration.
7707         * target.cc (Target::do_make_output_section): New method defintion.
7708         * target.h (Target::make_output_section): New method declaration.
7709         (Target::relax): Add more parameters for input objects, symbol table
7710         and layout.  Adjust call to do_relax.
7711         (Target::do_make_output_section): New method declaration.
7712         (Target::do_relax): Add parameters for input objects, symbol table
7713         and layout.
7714
7715 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7716
7717         * pread.c: Include stdio.h.
7718
7719 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7720
7721         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7722         defined.
7723
7724 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7725
7726         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7727         Change read_shndx type to unsigned int.
7728         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7729         int.
7730         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7731         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7732         Change read_shndx type to unsigned int.
7733         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7734         int.
7735         (Sized_dwarf_line_info::read_line_mappings): Likewise.
7736         * layout.cc (Layout::create_symtab_sections): Cast the result of
7737         local_symcount * symsize to off_t in the gold_assert.
7738
7739 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7740
7741         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7742         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7743         R_ARM_BASE_ABS.
7744         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7745         (Arm_relocate_functions::thm_abs5): New function.
7746         (Arm_relocate_functions::abs12): New function.
7747         (Arm_relocate_functions::abs16): New function.
7748         (Arm_relocate_functions::base_abs): New function.
7749         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7750         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
7751         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7752         R_ARM_BASE_ABS.
7753         (Scan::global): Likewise.
7754         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7755         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7756         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7757         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7758         R_ARM_BASE_ABS.
7759
7760 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7761
7762         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7763         (Arm_relocate_functions::movt_prel): New function.
7764         (Arm_relocate_functions::thm_movw_prel_nc): New function.
7765         (Arm_relocate_functions::thm_movt_prel): New function.
7766         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7767         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7768         (Scan::global, Relocate::relocate): Likewise.
7769         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7770
7771 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7772
7773         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7774         Incremental_checker.
7775         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7776         unsigned int.
7777         (class Incremental_inputs_header): New class.
7778         (Incremental_inputs_header_writer): Edit comment.
7779         (Incremental_inputs_entry): New class.
7780         (Incremental_inputs_entry_writer): Edit comment.
7781         (Sized_incremental_binary::do_find_incremental_inputs_section):
7782         Add *strtab_shndx parameter, fill it.
7783         (Sized_incremental_binary::do_check_inputs): New method.
7784         (Incremental_checker::can_incrementally_link_output_file): Use
7785         Sized_incremental_binary::check_inputs.
7786         (Incremental_inputs::report_command_line): Save command line in
7787         command_line_.
7788         * incremental.h:
7789         (Incremental_binary::find_incremental_inputs_section): New
7790         method.
7791         (Incremental_binary::do_find_incremental_inputs_section): Add
7792         strtab_shndx parameter.
7793         (Incremental_binary::do_check_inputs): New pure virtual method.
7794         (Sized_incremental_binary::do_check_inputs): Declare.
7795         (Incremental_checker::Incremental_checker): Add incremental_inputs
7796         parameter, use it to initialize incremental_inputs_.
7797         (Incremental_checker::incremental_inputs_): New field.
7798         (Incremental_checker::command_line): New method.
7799         (Incremental_checker::inputs): New method.
7800         (Incremental_checker::command_line_): New field.
7801
7802 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
7803
7804         * incremental.cc: Include <cstdarg> and "target-select.h".
7805         (vexplain_no_incremental): New function.
7806         (explain_no_incremental): New function.
7807         (Incremental_binary::error): New method.
7808         (Sized_incremental_binary::do_find_incremental_inputs_section): New
7809         method.
7810         (make_sized_incremental_binary): New function.
7811         (open_incremental_binary): New function.
7812         (can_incrementally_link_file): Add checks if output is ELF and has
7813         inputs section.
7814         * incremental.h: Include "elfcpp_file.h" and "output.h".
7815         (Incremental_binary): New class.
7816         (Sized_incremental_binary): New class.
7817         (open_incremental_binary): Declare.
7818         * object.cc (is_elf_object): Use
7819         elfcpp::Elf_recognizer::is_elf_file.
7820         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7821         * output.h (Output_file::filesize): New method.
7822
7823 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7824
7825         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7826         New function.
7827         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7828         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7829         function.
7830         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7831         function.
7832         (Arm_relocate_functions::movw_abs_nc): New function.
7833         (Arm_relocate_functions::movt_abs): New function.
7834         (Arm_relocate_functions::thm_movw_abs_nc): New function.
7835         (Arm_relocate_functions::thm_movt_abs): New function.
7836         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7837         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7838         (Scan::global): Likewise.
7839         (Relocate::relocate): Likewise.
7840         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7841
7842 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
7843
7844         * arm.cc (Arm_relocate_functions::got_prel) New function.
7845         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7846         (Relocate::relocate): Likewise.
7847         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7848
7849 2009-10-06  Ian Lance Taylor  <iant@google.com>
7850
7851         * options.h (class General_options): Define
7852         split_stack_adjust_size parameter.
7853         * object.h (class Object): Add uses_split_stack_ and
7854         has_no_split_stack_ fields.  Add uses_split_stack and
7855         has_no_split_stack accessor functions.  Declare
7856         handle_split_stack_section.
7857         (class Reloc_symbol_changes): Define.
7858         (class Sized_relobj): Define Function_offsets.  Declare
7859         split_stack_adjust, split_stack_adjust_reltype, and
7860         find_functions.
7861         * object.cc (Object::handle_split_stack_section): New function.
7862         (Sized_relobj::do_layout): Call handle_split_stack_section.
7863         * dynobj.cc (Sized_dynobj::do_layout): Call
7864         handle_split_stack_section.
7865         * reloc.cc (Sized_relobj::relocate_sections): Call
7866         split_stack_adjust for executable sections in split_stack
7867         objects.  Pass reloc_map to relocate_section.
7868         (Sized_relobj::split_stack_adjust): New function.
7869         (Sized_relobj::split_stack_adjust_reltype): New function.
7870         (Sized_relobj::find_functions): New function.
7871         * target-reloc.h: Include "object.h".
7872         (relocate_section): Add reloc_symbol_changes parameter.  Change
7873         all callers.
7874         * target.h (class Target): Add calls_non_split method.  Declare
7875         do_calls_non_split virtual method.  Declare match_view and
7876         set_view_to_nop.
7877         * target.cc: Include "elfcpp.h".
7878         (Target::do_calls_non_split): New function.
7879         (Target::match_view): New function.
7880         (Target::set_view_to_nop): New function.
7881         * gold.cc (queue_middle_tasks): Give an error if mixing
7882         split-stack and non-split-stack objects with -r.
7883         * i386.cc (Target_i386::relocate_section): Add
7884         reloc_symbol_changes parameter.
7885         (Target_i386::do_calls_non_split): New function.
7886         * x86_64.cc (Target_x86_64::relocate_section): Add
7887         reloc_symbol_changes parameter.
7888         (Target_x86_64::do_calls_non_split): New function.
7889         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7890         parameter.
7891         * powerpc.cc (Target_powerpc::relocate_section): Add
7892         reloc_symbol_changes parameter.
7893         * sparc.cc (Target_sparc::relocate_section): Add
7894         reloc_symbol_changes parameter.
7895         * configure.ac: Call AM_CONDITIONAL for the default target.
7896         * configure: Rebuild.
7897         * testsuite/Makefile.am (TEST_AS): New variable.
7898         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7899         (check_DATA): Add split_i386 and split_x86_64 files.
7900         (SPLIT_DEFSYMS): Define.
7901         (split_i386_[1234n].o): New targets.
7902         (split_i386_[124]): New targets.
7903         (split_i386_[1234r].stdout): New targets.
7904         (split_x86_64_[1234n].o): New targets.
7905         (split_x86_64_[124]): New targets.
7906         (split_x86_64_[1234r].stdout): New targets.
7907         (MOSTLYCLEANFILES): Add new executables.
7908         * testsuite/split_i386.sh: New file.
7909         * testsuite/split_x86_64.sh: New file.
7910         * testsuite/split_i386_1.s: New file.
7911         * testsuite/split_i386_2.s: New file.
7912         * testsuite/split_i386_3.s: New file.
7913         * testsuite/split_i386_4.s: New file.
7914         * testsuite/split_i386_n.s: New file.
7915         * testsuite/split_x86_64_1.s: New file.
7916         * testsuite/split_x86_64_2.s: New file.
7917         * testsuite/split_x86_64_3.s: New file.
7918         * testsuite/split_x86_64_4.s: New file.
7919         * testsuite/split_x86_64_n.s: New file.
7920         * testsuite/testfile.cc (Target_test): Update relocation_section
7921         function.
7922         * testsuite/Makefile.in: Rebuild.
7923
7924 2009-10-06  Ian Lance Taylor  <iant@google.com>
7925
7926         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7927         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7928         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
7929         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7930         the address on ldo_addrs_.
7931         (Target_i386::Relocate::fix_up_ldo): New function.
7932
7933 2009-10-06   Rafael Espindola  <espindola@google.com>
7934
7935         * plugin.cc (add_input_library): New.
7936         (Plugin::load): Add add_input_library to tv.
7937         (Plugin_manager::add_input_file): Add the is_lib argument.
7938         (add_input_file): Update call to Plugin_manager::add_input_file.
7939         (add_input_library): New.
7940         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7941
7942 2009-09-30  Doug Kwan  <dougkwan@google.com>
7943
7944         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7945         symbol and call Symbol::may_need_copy_reloc to determine if
7946         a copy reloc is needed.
7947         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7948         nocopyreloc is given in command line.
7949         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7950         given in command line.
7951         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7952         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7953         of the removed Target_i386::may_need_copy_reloc.
7954         * options.h (copyreloc): New option with default value false.
7955         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7956         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7957         instead of the removed Target_powerpc::may_need_copy_reloc.
7958         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7959         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7960         instead of the removed Target_sparc::may_need_copy_reloc.
7961         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7962         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7963         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7964         instead of the removed Target_x86_64::may_need_copy_reloc.
7965
7966 2009-09-30  Ian Lance Taylor  <iant@google.com>
7967
7968         * object.h (class Object): Remove target_ field, and target,
7969         sized_target, and set_target methods.
7970         (Object::sized_target): Remove.
7971         (class Sized_relobj): Update declarations.  Remove sized_target.
7972         * object.cc (Sized_relobj::setup): Remove target parameter.
7973         Change all callers.
7974         (Input_objects::add_object): Don't do anything with the target.
7975         (make_elf_sized_object): Add punconfigured parameter.  Change all
7976         callers.  Set or test parameter target.
7977         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7978         Change all callers.
7979         * parameters.cc (Parameters::set_target): Change parameter type to
7980         be non-const.
7981         (Parameters::default_target): Remove.
7982         (set_parameters_target): Change parameter type to be non-const.
7983         (parameters_force_valid_target): New function.
7984         (parameters_clear_target): New function.
7985         * parameters.h (class Parameters): Update declarations.  Remove
7986         default_target method.  Add sized_target and clear_target
7987         methods.  Change target_ to be non-const.
7988         (set_parameters_target): Update declaration.
7989         (parameters_force_valid_target): Declare.
7990         (parameters_clear_target): Declare.
7991         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7992         as NULL if we aren't searching.
7993         (Add_symbols::run): Don't check for compatible target.
7994         * fileread.cc (Input_file::open_binary): Call
7995         parameters_force_valid_target.
7996         * gold.cc (queue_middle_tasks): Likewise.
7997         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
7998         set_target on object.
7999         * dynobj.h (class Sized_dynobj): Update declarations.
8000         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8001         make_elf_object returns NULL.
8002         (Archive::include_member): Don't check whether object target is
8003         compatible.
8004         * output.cc (Output_section::add_input_section): Get target from
8005         parameters.
8006         (Output_section::relax_input_section): Likewise.
8007         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8008         parameters.
8009         (Sized_relobj::do_scan_relocs): Likewise.
8010         (Sized_relobj::relocate_sections): Likewise.
8011         * resolve.cc (Symbol_table::resolve): Likewise.
8012         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8013         parameter.  Change all callers.
8014         (Symbol_table::add_from_object): Get target from parameters.
8015         (Symbol_table::add_from_relobj): Don't check object target.
8016         (Symbol_table::add_from_dynobj): Likewise.
8017         (Symbol_table::define_special_symbol): Get target from
8018         parameters.
8019         * symtab.h (class Symbol_table): Update declaration.
8020         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8021         parameter.  Change all callers.  Clear parameter target.
8022         (Binary_test): Test target here.
8023         * testsuite/object_unittest.cc (gold_testsuite): Remove
8024         target_test_pointer parameter.  Change all callers.
8025         (Object_test): Test target here.
8026
8027 2009-09-26  Ian Lance Taylor  <iant@google.com>
8028
8029         * testsuite/initpri1.c: Don't try to use constructor priorities if
8030         compiling with gcc before 4.3.
8031
8032 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8033
8034         * testsuite/retain_symbols_file_test.sh (check_present): Change
8035         output file name to retain_symbols_file_test.stdout.
8036         (check_absent): Likewise.
8037
8038 2009-09-18  Craig Silverstein  <csilvers@google.com>
8039
8040         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8041         * options.cc: Include <cerrno> and <fstream>.
8042         (General_options::finalize): Parse -retain-symbols-file tag.
8043         * options.h: New flag.
8044         (General_options): New method should_retain_symbol, new
8045         variable symbols_to_retain.
8046         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8047         should_retain_symbol map.
8048         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8049         * testsuite/Makefile.in: Regenerate.
8050         * testsuite/retain_symbols_file_test.sh: New file.
8051
8052 2009-09-18  Nick Clifton  <nickc@redhat.com>
8053
8054         * po/es.po: Updated Spanish translation.
8055
8056 2009-09-17  Doug Kwan  <dougkwan@google.com>
8057
8058         * debug.h (DEBUG_RELAXATION): New constant.
8059         (DEBUG_ALL): Add DEBUG_RELAXATION.
8060         (debug_string_to_enum): Add relaxation debug option.
8061         * layout.cc
8062         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8063         Layout::Relaxation_debug_check::read_sections,
8064         Layout::Relaxation_debug_check::read_sections): New method definitions.
8065         (Layout::Layout): Initialize data members
8066         record_output_section_data_from_scrips_,
8067         script_output_section_data_list_ and relaxation_debug_check_.
8068         (Layout::save_segments, Layout::restore_segments,
8069         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8070         Layout::relaxation_loop_body): New method definitions.
8071         (Layout::finalize): Support relaxation.  Move section layout code to
8072         Layout::relaxation_loop_body.
8073         (Layout::set_asection_address_from_script): Move code for orphan
8074         section placement out.
8075         (Layout::place_orphan_sections_in_script): New method definition.
8076         * layout.h (Output_segment_headers, Output_file_header):
8077         New forward class declarations.
8078         (Layout::~Layout): Define.
8079         (Layout::new_output_section_data_from_script): New method definition.
8080         (Layout::place_orphan_sections_in_script): New method declaration.
8081         (Layout::Segment_states): New type declaration.
8082         (Layout::save_segments, Layout::restore_segments,
8083         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8084         Layout::relaxation_loop_body): New method declarations.
8085         (Layout::Output_section_data_list): New type declaration.
8086         (Layout::Relaxation_debug_check): New class definition.
8087         (Layout::record_output_section_data_from_script_,
8088         Layout::script_output_section_data_list_, Layout::segment_states_,
8089         Layout::relaxation_debug_check_): New data members.
8090         * output.cc: (Output_section_headers::do_size): New method definition.
8091         (Output_section_headers::Output_section_headers): Move size
8092         computation to Output_section_headers::do_size.
8093         (Output_segment_headers::do_size): New method definition.
8094         (Output_file_header::Output_file_header): Move size computation to
8095         Output_file_header::do_size and call it.
8096         (Output_file_header::do_size): New method definition.
8097         (Output_data_group::Output_data_group): Adjust call to
8098         Output_section_data.
8099         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8100         (Output_symtab_xindex::do_write): Add array bound check.
8101         (Output_section::Input_section::print_to_mapfile): Handle
8102         RELAXED_INPUT_SECTION_CODE.
8103         (Output_section::Output_section): Initialize data member checkpoint_.
8104         (Output_section::~Output_section): Delete checkpoint object pointed
8105         by checkpoint_.
8106         (Output_section::add_input_section): Always add an Input_section if
8107         relaxing.
8108         (Output_section::add_merge_input_section): Add assert.
8109         (Output_section::relax_input_section): New method definition.
8110         (Output_section::set_final_data_size): Set load address to zero for
8111         an unallocated section.
8112         (Output_section::do_address_and_file_offset_have_reset_values):
8113         New method definition.
8114         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8115         Handle relaxed input section.
8116         (Output_section::sort_attached_input_sections): Checkpoint input
8117         section list lazily.
8118         (Output_section::get_input_sections): Change type of input_sections to
8119         list of Simple_input_section pointers.  Checkpoint input section list
8120         lazily.  Also handle relaxed input sections.
8121         (Output_section::add_input_section_for_script): Take a reference to
8122         a Simple_input_section object instead of Relobj pointer and section
8123         index as parameter.  Handle relaxed input sections.
8124         (Output_section::save_states, Output_section::restore_states): New
8125         method definitions.
8126         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8127         (Output_data::is_data_size_fixed): New method definition.
8128         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8129         if it is fixed.
8130         (Output_data::address_and_file_offset_have_reset_values): New method
8131         definition.
8132         (Output_data::do_address_and_file_offset_have_reset_values): New method
8133         definition.
8134         (Output_data::set_data_size): Check that data size is not fixed.
8135         (Output_data::fix_data_size): New method definition.
8136         (Output_data::is_data_size_fixed_): New data member.
8137         (Output_section_headers::set_final_data_size): New method definition.
8138         (Output_section_headers::do_size): New method declaration.
8139         (Output_segment_headers::set_final_data_size): New method definition.
8140         (Output_segment_headers::do_size): New method declaration.
8141         (Output_file_header::set_final_data_size)::New method definition.
8142         (Output_file_header::do_size)::New method declaration.
8143         (Output_section_data::Output_section_data): Add new parameter
8144         is_data_size_fixed and use it to fix data size.
8145         (Output_data_const::Output_data_const): Adjust call to base class
8146         constructor and fix data size.
8147         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8148         base class constructor and fix data size.
8149         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8150         base class constructor and fix data size.
8151         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8152         class constructor and fix data size.
8153         (Output_data_group::set_final_data_size): New method definition.
8154         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8155         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8156         class constructor and fix data size.
8157         (Output_relaxed_input_section): New class definition.
8158         (Output_section::Simple_input_section): New class definition.
8159         (Output_section::get_input_sections): Adjust parameter list.
8160         (Output_section::add_input_section_for_script): Same.
8161         (Output_section::save_states, Output_section::restore_states,
8162         Output_section::do_address_and_file_offset_have_reset_values,
8163         (Output_section::Input_section::Input_section): Handle
8164         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8165         Output_relaxed_input_section.
8166         (Output_section::Input_section::is_input_section,
8167         Output_section::Input_section::set_output_section): Handle relaxed
8168         input section.
8169         (Output_section::Input_section::is_relaxed_input_section,
8170         Output_section::Input_section::output_section_data,
8171         Output_section::Input_section::relaxed_input_section): New method
8172         definitions.
8173         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8174         value.
8175         (Output_section::Input_section::u1_): Update comments.
8176         (Output_section::Input_section::u2_): Add new union member poris.
8177         (Output_section::Checkpoint_output_section): New classs definition.
8178         (Output_section::relax_input_section): New method declaration.
8179         (Output_section::checkpoint_): New data member.
8180         (Output_segment): Update comments.
8181         (Output_segment::Output_segment): Un-privatize copy constructor.
8182         (Output_segment::operator=): Un-privatize.
8183         * script-sections.cc (Output_section_element::Input_section_list):
8184         Change element type to Output_section::Simple_input_section.
8185         (Output_section_element_dot_assignment::set_section_addresses):
8186         Register output section data for relaxation clean up.
8187         (Output_data_exression::Output_data_expression): Adjust call to base
8188         constructor to fix data size.
8189         (Output_section_element_data::set_section_addresses): Register
8190         Output_data_expression object for relaxation clean up.
8191         (struct Input_section_info): Replace Relobj pointer and section index
8192         pair with Output_section::Simple_input_section and Convert struct to a
8193         class.
8194         (Input_section_sorter::operator()): Adjust access to
8195         Input_section_info data member to use accessors.
8196         (Output_section_element_input::set_section_addresses): Use layout
8197         parameter.  Adjust code to use Output_section::Simple_input_section
8198         and Input_secction_info classes.  Register filler for relaxation
8199         clean up.
8200         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8201         and section index pair with Output_section::Simple_input_section
8202         class.  Adjust code accordingly.
8203         (Phdrs_element::release_segment): New method definition.
8204         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8205         segment list.
8206         (Script_sections::release_segments): New method definition.
8207         * gold/script-sections.h (Script_sections::release_segments): New
8208         method declaration.
8209         * gold/target.h (Target::may_relax, Target::relax,
8210         Target::do_may_relax, Target::do_relax): New method definitions.
8211
8212 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8213
8214         * arm.cc (has_signed_unsigned_overflow): New function.
8215         (Arm_relocate_functions::abs8): New function.
8216         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8217         (Target_arm::Scan::global): Likewise.
8218         (Target_arm::relocate::relocate): Likewise.
8219         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8220         Likewise.
8221
8222 2009-09-16  Cary Coutant  <ccoutant@google.com>
8223
8224         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8225         * testsuite/Makefile.in: Regenerate.
8226
8227 2009-09-11  Nick Clifton  <nickc@redhat.com>
8228
8229         * po/gold.pot: Updated by the Translation project.
8230
8231 2009-09-08  Cary Coutant  <ccoutant@google.com>
8232
8233         * output.cc (Output_file::open): Add execute permission to empty file.
8234         * testsuite/Makefile.am (permission_test): New test.
8235         * testsuite/Makefile.in: Regenerate.
8236
8237 2009-09-02  Ian Lance Taylor  <iant@google.com>
8238
8239         * output.cc (Output_file::resize): Call map_no_anonymous rather
8240         than map.
8241
8242 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8243
8244         * gold.cc: Include "incremental.h".
8245         (queue_initial_tasks): Call Incremental_checker methods.
8246         * incremental.cc: Include "output.h".
8247         (Incremental_checker::can_incrementally_link_output_file): New
8248         method.
8249         * incremental.h (Incremental_checker): New class.
8250
8251         * output.cc (Output_file::open_for_modification): New method.
8252         (Output_file::map_anonymous): Changed return type to bool.  Record
8253         map in base_ field.
8254         (Output_file::map_no_anonymous): New method, broken out of map.
8255         (Output_file::map): Use map_no_anonymous and map_anonymous.
8256         * output.h (class Output_file): Update declarations.
8257
8258 2009-08-24  Cary Coutant  <ccoutant@google.com>
8259
8260         * options.h (Command_line::Pre_options): New class.
8261         (Command_line::pre_options): New member.
8262         * options.cc (gold::options::ready_to_register): New variable.
8263         (One_option::register_option): Do nothing if not registering options.
8264         Assert if same short option registered twice.
8265         (General_options::General_options): Turn off option registration when
8266         done constructing.
8267         (Command_line::Pre_options::Pre_options): New constructor.
8268
8269 2009-08-24  Cary Coutant  <ccoutant@google.com>
8270
8271         * options.h (General_options::no_keep_memory): Remove incorrect
8272         short option.
8273
8274 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8275
8276         * Makefile.am (am__skiplex, am__skipyacc): New.
8277         * Makefile.in: Regenerate.
8278
8279 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8280
8281         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8282         (INCLUDES): ... this.
8283         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8284         (AM_CPPFLAGS): Renamed from ...
8285         (INCLUDE): ... this.
8286         * Makefile.in, testsuite/Makefile.in: Regenerate.
8287
8288         * Makefile.in: Regenerate.
8289         * aclocal.m4: Likewise.
8290         * config.in: Likewise.
8291         * configure: Likewise.
8292         * testsuite/Makefile.in: Likewise.
8293
8294         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8295         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8296         * Makefile.in: Regenerate.
8297         * testsuite/Makefile.in: Regenerate.
8298
8299 2009-08-19  Cary Coutant  <ccoutant@google.com>
8300
8301         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8302         symbols in shared libraries overridden by hidden or internal symbols
8303         in the main program.
8304
8305 2009-08-19  Chris Demetriou  <cgd@google.com>
8306
8307         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8308         checking source file names in error messages.
8309
8310 2009-08-18  Doug Kwan  <dougkwan@google.com>
8311
8312         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8313         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8314         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8315         an elfcpp::Ehdr as parameter.
8316         * object.cc (Object::set_target): Remove the version that looks up
8317         a target and sets it.
8318         (Sized_relobj::setup): Take a Target object instead of
8319         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8320         (make_elf_sized_object): Find target and ask target to
8321         make an ELF object.
8322         * object.h: (Object::set_target): Remove the version that looks up
8323         a target and sets it.
8324         (Sized_relobj::setup): Take a Target object instead of
8325         an elfcpp:Ehdr as parameter.
8326         * target.cc: Include dynobj.h.
8327         (Target::do_make_elf_object_implementation): New.
8328         (Target::do_make_elf_object): New.
8329         * target.h (Target::make_elf_object): New template declaration.
8330         (Target::do_make_elf_object): New method declarations.
8331         (Target::do_make_elf_object_implementation): New template declaration.
8332
8333 2009-08-14  Ian Lance Taylor  <iant@google.com>
8334
8335         * gold.h (FUNCTION_NAME): Define.
8336         (gold_unreachable): Use FUNCTION_NAME.
8337
8338 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8339
8340         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8341         symbol in the --keep-unique list is not found.
8342
8343 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8344
8345         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8346         been maked as --keep-unique.
8347         (Icf::unfold_section): New function.
8348         * icf.h (Icf::unfold_section): New function.
8349         * options.h (General_options::keep_unique): New option.
8350         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8351         * testsuite/Makefile.in: Regenerate.
8352         * testsuite/icf_keep_unique_test.sh: New file.
8353         * testsuite/icf_keep_unique_test.cc: New file.
8354
8355 2009-08-12  Cary Coutant  <ccoutant@google.com>
8356
8357         PR 10471
8358         * resolve.cc (Symbol_table::resolve): Check for references from
8359         dynamic objects to hidden and internal symbols.
8360         * testsuite/Makefile.am (hidden_test.sh): New test.
8361         * testsuite/Makefile.in: Regenerate.
8362         * testsuite/hidden_test.sh: New script.
8363         * testsuite/hidden_test_1.c: New test source.
8364         * testsuite/hidden_test_main.c: New test source.
8365
8366 2009-08-11  Doug Kwan  <dougkwan@google.com>
8367
8368         * arm.cc: Update comments.
8369         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8370         segment to locate the .ARM.exidx section if present.
8371
8372 2009-08-09  Doug Kwan  <dougkwan@google.com>
8373
8374         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8375         patch.
8376
8377 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8378         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8379         compiler warnings.
8380
8381 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8382
8383         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8384         valid tls_segment only for non-debug-section relocations.
8385         * testsuite/Makefile.am: Add gc_tls_test.
8386         * testsuite/Makefile.in: Regenerate.
8387         * testsuite/gc_tls_test.cc: New file.
8388         * testsuite/gc_tls_test.sh: New file.
8389
8390 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8391
8392         * icf.cc: New file.
8393         * icf.h: New file.
8394         * Makefile.am (CCFILES): Add icf.cc.
8395         (HFILES): Add icf.h
8396         * Makefile.in: Regenerate.
8397         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8398         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8399         section, symbol and addend information for the relocs.
8400         * gold.cc (queue_middle_tasks): Call identical code folding.
8401         * gold.h: Add defines for multimap.
8402         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8403         to the call of finalize_local_symbols.
8404         * main.cc (main): Create object of class Icf.
8405         * object.cc (Sized_relobj::do_layout): Allow this function to be
8406         called twice during icf.
8407         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8408         to sections marked as identical by icf.
8409         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8410         when available.
8411         (Sized_relobj::do_section_entsize): New function.
8412         * object.h (Object::section_entsize): New function.
8413         (Object::do_section_entsize): New pure virtual function.
8414         (Relobj::finalize_local_symbols): Add new parameter.
8415         (Relobj::do_section_entsize): New function.
8416         * options.h (General_options::icf): New option.
8417         (General_options::icf_iterations): New option.
8418         (General_options::print_icf_sections): New option.
8419         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8420         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8421         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8422         icf.
8423         * symtab.cc (Symbol_table::is_section_folded): New function.
8424         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8425         to sections marked as identical by icf.
8426         * symtab.h (Symbol_table::set_icf): New function.
8427         (Symbol_table::icf): New function.
8428         (Symbol_table::is_section_folded): New function.
8429         (Symbol_table::icf_): New data member.
8430         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8431         * testsuite/Makefile.am: Add commands to build icf_test.
8432         * testsuite/Makefile.in: Regenerate.
8433         * testsuite/icf_test.sh: New file.
8434         * testsuite/icf_test.cc: New file.
8435
8436 2009-07-24  Chris Demetriou  <cgd@google.com>
8437
8438         * layout.cc (is_compressible_debug_section): Fix incorrect
8439         comment about compressed section names.
8440
8441 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8442
8443         PR 10419
8444         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8445
8446 2009-07-16  Ian Lance Taylor  <iant@google.com>
8447
8448         PR 10400
8449         * layout.h: #include <map>.
8450         (class Kept_section): Change from struct to class.  Add accessors
8451         and setters.  Add section size to Comdat_group mapping.  Change
8452         Comdat_group to std::map.  Add is_comdat_ field.  Add
8453         linkonce_size field in union.
8454         (class Layout): Update declaration of find_or_add_kept_section.
8455         Don't declare find_kept_object.
8456         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8457         parameter.  Add object, shndx, is_comdat, and is_group_name
8458         parameters.  Change all callers.  Adjust for new Kept_section.
8459         (Layout::find_kept_object): Remove.
8460         * object.cc (Sized_relobj::include_section_group): Update use of
8461         Kept_section.  Rename secnum to shndx.  Only record
8462         Kept_comdat_section if sections are the same size.
8463         (Sized_relobj::include_linkonce_section): Update use of
8464         Kept_section.  Only record Kept_comdat_section if sections are the
8465         same size.  Set size of linkonce section.
8466         (Sized_relobj::map_to_kept_section): Update call to
8467         get_kept_comdat_section.
8468         * object.h (class Sized_relobj): Rename fields in
8469         Kept_comdat_section to drop trailing underscores; change object
8470         field to Relobj*.  Change Kept_comdat_section_table to store
8471         struct rather than pointer.
8472         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8473         Add kept_object and kept_shndx parameters.  Change all callers.
8474         (Sized_relobj::get_kept_comdat_section): Change return type to
8475         bool.  Add kept_object and kept_shndx parameters.  Change all
8476         callers.
8477         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8478         Layout::find_or_add_kept_section.
8479
8480 2009-07-09  Ian Lance Taylor  <iant@google.com>
8481
8482         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8483         Reserve space in the hash table.
8484
8485 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8486
8487         * fileread.cc (File_read::get_mtime): New method.
8488         * fileread.h (Timespec): New structure.
8489         (File_read::get_mtime): New method.
8490         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8491         Renamed from timestamp_nsec.
8492         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8493         Elf_Xword.
8494         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8495         timestamp_nsec.
8496         (Incremental_inputs::report_archive): Save mtime; style fix.
8497         (Incremental_inputs::report_obejct): Save mtime; style fix.
8498         (Incremental_inputs::report_script): Save mtime; style fix.
8499         (Incremental_inputs::finalize_inputs): Style fix.
8500         (Incremental_inputs::finalize): Style fix.
8501         (Incremental_inputs::create_input_section_data): Store inputs
8502         mtime.
8503         * incremental.h (Incremental_inputs::report_script): Add mtime
8504         argument.
8505         (Incremental_inputs::Input_info::Input_info): Intialize only one
8506         union member.
8507         (Incremental_inputs::Input_info::archive): Move to nameless
8508         union.
8509         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8510         (Incremental_inputs::Input_info::script): Move to nameless union.
8511         (Incremental_inputs::mtime): New field.
8512         * script.cc (read_input_script): Pass file mtime to
8513         Incremental_input.
8514         * script.h (Script_info::inputs): Style fix.
8515
8516 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8517
8518         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8519         instead of 32.
8520
8521 2009-06-24  Ian Lance Taylor  <iant@google.com>
8522
8523         PR 10156
8524         * layout.cc (Layout::choose_output_section): If we find an
8525         existing section, update the flags.
8526         (Layout::create_notes): New function, broken out of
8527         Layout::finalize.
8528         (Layout::finalize): Don't create note sections.
8529         (Layout::create_note): Don't crash if linker script discards
8530         section.
8531         (Layout::create_gold_note): Likewise.
8532         (Layout::create_build_id): Likewise.  Don't set
8533         after_input_sections on the section.
8534         (Layout::create_executable_stack_info): Remove target parameter.
8535         Change caller.
8536         * layout.h (class Layout): Declare create_notes.  Update
8537         declaration of create_executable_stack_info.
8538         * gold.cc (queue_middle_tasks): Call create_notes.
8539         * output.cc (Output_section::update_flags_for_input_section): Move
8540         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8541         invalid.
8542         * output.h (Output_data::mark_address_invalid): New function.
8543         (class Output_section): Only declare, not define,
8544         update_flags_for_input_section.  Remove set_flags.
8545
8546 2009-06-24  Ian Lance Taylor  <iant@google.com>
8547
8548         * script-sections.cc (Output_section_definition::
8549         set_section_addresses): Rename shadowing local load_address to
8550         laddr.
8551
8552 2009-06-24  Ian Lance Taylor  <iant@google.com>
8553
8554         PR 10244
8555         * reloc.cc (relocate_sections): Skip empty relocation sections.
8556
8557 2009-06-23  Ian Lance Taylor  <iant@google.com>
8558
8559         PR 10156
8560         * layout.cc (Layout::create_note): Use choose_output_section
8561         rather than make_output_section.
8562
8563 2009-06-23  Ian Lance Taylor  <iant@google.com>
8564
8565         PR 10237
8566         * options.cc (General_options::parse_V): Set printed_version_.
8567         (General_options::General_options): Initialize printed_version_.
8568         * options.h (class General_options): Add printed_version_ field.
8569         * gold.cc (queue_initial_tasks): If there are no input files,
8570         don't give a fatal error if we printed the version information.
8571         (queue_middle_tasks): If using -r with a shared object, give a
8572         fatal error rather than an ordinary error.
8573
8574 2009-06-23  Ian Lance Taylor  <iant@google.com>
8575
8576         PR 10219
8577         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8578         (Layout::make_output_section): Set have_stabstr_section_ if we see
8579         a .stab*str section.
8580         (Layout::finalize): Call link_stabs_sections.
8581         (Layout::link_stabs_sections): New file.
8582         * layout.h (class Layout): Add have_stabstr_section_ field.
8583         Declare link_stabs_sections.
8584
8585 2009-06-23  Doug Kwan  <dougkwan@google.com>
8586
8587         * Makefile.am (libgold_a_LIBADD): New.
8588         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8589         * Makefile.in: Regenerate.
8590         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8591         * configure: Regenerate.
8592         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8593         * fileread.cc: Include sys/state.h
8594         * gold.h: Declare memmem and strndup if found missing.
8595         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8596
8597 2009-06-23  Ian Lance Taylor  <iant@google.com>
8598
8599         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8600         * configure: Rebuild.
8601
8602 2009-06-23  Ian Lance Taylor  <iant@google.com>
8603
8604         PR 10147
8605         * object.cc (Object::section_contents): Don't try to get a view if
8606         the section has length zero.
8607         (Object::handle_gnu_warning_section): If the section is empty, use
8608         the name of the section as the warning.
8609
8610 2009-06-23  Ian Lance Taylor  <iant@google.com>
8611
8612         PR 10133
8613         * stringpool.h (class Stringpool_template): Add optimize_ field.
8614         (Stringpool_template::set_optimize): New function.
8615         * stringpool.cc (Stringpool_template::Stringpool_template):
8616         Initialize optimize_ field.
8617         (Stringpool_template::set_string_offsets): Test local optimize
8618         fild rather than parameter.
8619         * layout.cc (Layout::Layout): Call set_optimize on the section
8620         name stringpool.
8621
8622 2009-06-22  Ian Lance Taylor  <iant@google.com>
8623
8624         PR 10030
8625         * yyscript.y: Parse TARGET.
8626         * script.cc (script_set_target): New function.
8627         * script-c.h (script_set_target): Declare.
8628         * options.cc (General_options::string_to_object_format): Rename
8629         from string_to_object_format in anonymous namespace.  Change
8630         callers.
8631         * options.h (class General_options): Declare
8632         string_to_object_format.
8633
8634 2009-06-22  Ian Lance Taylor  <iant@google.com>
8635
8636         * script-sections.cc (Script_sections::create_segments): Don't put
8637         program headers in a PT_LOAD segment if -n or -N.
8638
8639 2009-06-22  Ian Lance Taylor  <iant@google.com>
8640
8641         PR 10141
8642         * options.h (class General_options): Add -z lazy and -z now.  Sort
8643         -z options into alphabetical order.
8644         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8645
8646 2009-06-21  Ian Lance Taylor  <iant@google.com>
8647
8648         * layout.cc (Layout::make_output_section): Call
8649         Target::new_output_section.
8650         (Layout::attach_allocated_section_to_segment): Put large section
8651         sections in a separate load segment with the large segment flag
8652         set.
8653         (Layout::segment_precedes): Sort large data segments after other
8654         load segments.
8655         (align_file_offset): New static function.
8656         (Layout::set_segment_offsets): Use align_file_offset.
8657         * output.h (class Output_section): Add is_small_section_ and
8658         is_large_section_ fields.
8659         (Output_section::is_small_section): New function.
8660         (Output_section::set_is_small_section):  New function.
8661         (Output_section::is_large_section): New function.
8662         (Output_section::set_is_large_section): New function.
8663         (Output_section::is_large_data_section): New function.
8664         (class Output_segment): Add is_large_data_segment_ field.
8665         (Output_segment::is_large_data_segment): New function.
8666         (Output_segment::set_is_large_data_segment): New function.
8667         * output.cc (Output_section::Output_section): Initialize new
8668         fields.
8669         (Output_segment::Output_segment): Likewise.
8670         (Output_segment::add_output_section): Add assertion that large
8671         data sections always go in large data segments.  Force small data
8672         sections to the end of the list of data sections.  Force small BSS
8673         sections to the start of the list of BSS sections.  For large BSS
8674         sections to the end of the list of BSS sections.
8675         * symtab.h (class Symbol): Declare is_common_shndx.
8676         (Symbol::is_defined): Check Symbol::is_common_shndx.
8677         (Symbol::is_common): Likewise.
8678         (class Symbol_table): Define enum Commons_section_type.  Update
8679         declarations.  Add small_commons_ and large_commons_ fields.
8680         * symtab.cc (Symbol::is_common_shndx): New function.
8681         (Symbol_table::Symbol_table): Initialize new fields.
8682         (Symbol_table::add_from_object): Put small and large common
8683         symbols in the right list.
8684         (Symbol_table::sized_finalized_symbol): Check
8685         Symbol::is_common_shndx.
8686         (Symbol_table::sized_write_globals): Likewise.
8687         * common.cc (Symbol_table::do_allocate_commons): Allocate new
8688         common symbol lists.  Don't call do_allocate_commons_list if the
8689         list is empty.
8690         (Symbol_table::do_allocate_commons_list): Remove is_tls
8691         parameter.  Add comons_section_type parameter.  Change all
8692         callers.  Handle small and large common symbols.
8693         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8694         Symbol::is_common_shndx.
8695         * resolve.cc (symbol_to_bits): Likewise.
8696         * target.h (Target::small_common_shndx): New function.
8697         (Target::small_common_section_flags): New function.
8698         (Target::large_common_shndx): New function.
8699         (Target::large_common_section_flags): New function.
8700         (Target::new_output_section): New function.
8701         (Target::Target_info): Add small_common_shndx, large_common_shndx,
8702         small_common_section_flags, and large_common_section_flags
8703         fields.
8704         (Target::do_new_output_section): New virtual function.
8705         * arm.cc (Target_arm::arm_info): Initialize new fields.
8706         * i386.cc (Target_i386::i386_info): Likewise.
8707         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8708         Likewise.
8709         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8710         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8711         (Target_x86_64::do_new_output_section): New function.
8712         * configure.ac: Define conditional MCMODEL_MEDIUM.
8713         * testsuite/Makefile.am (check_PROGRAMS): Add large.
8714         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8715         (large_LDFLAGS): Define.
8716         * testsuite/large.c: New file.
8717         * testsuite/testfile.cc (Target_test::test_target_info):
8718         Initialize new fields.
8719         * configure, testsuite/Makefile.in: Rebuild.
8720
8721 2009-06-05  Doug Kwan  <dougkwan@google.com>
8722
8723         * Makefile.am (CCFILES): Add target.cc.
8724         * Makefile.in: Regenerate.
8725         * i386.cc (class Target_i386): Define new virtual method to
8726         override do_is_local_label_name in parent.
8727         * object.cc (Sized_relobj::do_count_local_symbols): Discard
8728         local symbols if --discard-locals or -X is given.
8729         * options.h (class General_options): Declare new options
8730         '--discard-locals' and '-X' for discarding locals.
8731         * target.h (class Target): Define new methods is_local_label_name.
8732         Declare new virtual method do_is_local_label_name.
8733         * target.cc: New file.
8734         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8735         (check_SCRIPTS): Add discard_locals_test.sh.
8736         (check_DATA): Add discard_local_tests.syms.
8737         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8738         (discard_local_tests.syms, discard_locals_test.o): New make rules.
8739         * testsuite/Makefile.in: Regenerate.
8740         * testsuite/discard_locals_test.c: New file.
8741         * testsuite/discard_locals_test.sh: Same.
8742
8743 2009-06-05  Doug Kwan  <dougkwan@google.com>
8744
8745         * object.cc (Sized_relobj::Sized_relobj): Initialize
8746         discarded_eh_frame_shndx_ to -1U.
8747         (Sized_relobj::do_layout): Record index of a discard .eh_frame
8748         section.
8749         (Sized_relobj::do_count_local_symbols): Skip local symbols in
8750         a discarded .eh_frame section.
8751         (Sized_relobj::do_finalize_local_symbols): Ditto.
8752         * object.h (class Sized_relobj): Declare new member
8753         discarded_eh_frame_shndx_.
8754         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8755         (local_labels_test.o, local_labels_test): New rules.
8756         * testsuite/Makefile.in: Regenerate.
8757
8758 2009-06-04  Doug Kwan  <dougkwan@google.com>
8759
8760         * layout.cc (Layout::section_name_mapping): Add mapping for
8761         special ARM sections.
8762
8763 2009-06-03  Doug Kwan  <dougkwan@google.com>
8764
8765         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8766         (utils::has_overflow): Same.
8767
8768 2009-06-03  Ian Lance Taylor  <iant@google.com>
8769
8770         * layout.cc (Layout::section_name_mapping): New array, replacing
8771         Layout::linkonce_mapping.
8772         (Layout::section_name_mapping_count): New variable, replacing
8773         Layout::linkonce_mapping_count.
8774         (Layout::linkonce_output_name): Remove.
8775         (Layout::output_section_name): Rewrite.
8776         * layout.h (class Layout): Rename Linkonce_mapping to
8777         Section_name_mapping, linkonce_mapping to section_name_mapping,
8778         linkonce_mapping_count to section_name_mapping_count.  Don't
8779         declare linkonce_output_name.
8780
8781 2009-06-03  Doug Kwan  <dougkwan@google.com>
8782
8783         * gold/arm.cc (namespace utils): New.
8784         (Target_arm::reloc_is_non_pic): Define new method.
8785         (class Arm_relocate_functions): New.
8786         (Target_arm::Relocate::relocate): Handle relocation types used by
8787         Android.
8788
8789 2009-06-03  Ian Lance Taylor  <iant@google.com>
8790
8791         * arm.cc (Target_arm::scan::global): Use || instead of |.
8792
8793 2009-06-02  Doug Kwan  <dougkwan@google.com>
8794
8795         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
8796         issued_non_pic_error_.
8797         (class Target_arm::Scan): Declare new method check_non_pic.
8798         Define new method symbol_needs_plt_entry.
8799         Declare new data member issued_non_pic_error_.
8800         (class Target_arm::Relocate): Declare new method
8801         should_apply_static_reloc.
8802         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8803         (Target_arm::Scan::check_non_pic): Define new method.
8804         (Target_arm::Scan::local): Handle a small subset of reloc types used
8805         by Android.
8806         (Target_arm::Scan::local): Same.
8807         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8808
8809 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
8810
8811         * incremental.cc (Incremental_inputs::report_command_line): Filter
8812         out --incremental-* options.
8813
8814 2009-05-29  Doug Kwan  <dougkwan@google.com>
8815
8816         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8817         template class.
8818         (class Target_arm): Update comment.
8819         (Target_arm::Target_arm): Initialize new data members GOT_,
8820         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8821         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8822         and Target_arm::rel_dyn_section.
8823         Declare new_enum Target_arm::Got_type.
8824         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8825         and DYNBSS_.
8826         Update commments for member do_dynsym_value.
8827         (Target_arm::got_size, Target_arm::plt_section,
8828         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8829         new methods inside class defintion.
8830         (Target_arm::got_section): Define new method.
8831         (Target_arm::rel_dyn_section): Same.
8832         (Output_data_plt_arm): New template class.
8833         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8834         (Output_data_plt_arm:do_adjust_output_section): Define new method.
8835         (Output_data_plt_arm::add_entry): Same.
8836         (Output_data_plt_arm::first_plt_entry): Define new
8837         static data member for PLT instruction template.
8838         (Output_data_plt_arm::plt_entry): Same.
8839         (Output_data_plt_arm::do_write): Define new method.
8840         (Target_arm::make_plt_entry): Same.
8841         (Target_arm::do_finalize_sections): Same.
8842         (Target_arm::do_dynsym_value): Same.
8843
8844 2009-05-28  Doug Kwan  <dougkwan@google.com>
8845
8846         * Makefile.am (TARGETSOURCES): Add arm.cc.
8847         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8848         * Makefile.in: Regenerate.
8849         * arm.cc: New file.
8850         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8851
8852 2009-05-26  Doug Kwan  <dougkwan@google.com>
8853
8854         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
8855         (General_options::check_excluded_libs): Strip off directories in
8856         archive name before matching like GNU ld does.
8857         * testsuite/Makefile.am (MOSTLYCLEANFILES,
8858         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8859         (exclude_libs_test_LDFLAGS): Add linker option
8860         -Wl,--exclude-libs,libexclude_libs_test_3
8861         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8862         an explicit archive without using -l.
8863         (alt/libexclude_libs_test_3.a): New make rule.
8864         * testsuite/Makefile.in: Regenerate.
8865         * testsuite/exclude_libs_test.c : Declare lib3_default().
8866         (main): Call it.
8867         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8868         * exclude_libs_test_3.c: New file.
8869
8870 2009-05-26  Nick Clifton  <nickc@redhat.com>
8871
8872         * po/id.po: New Indonesian translation.
8873         * po/gold.pot: Updated template file.
8874
8875 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
8876
8877         * testsuite/Makefile.am: Add -ffunction-sections to compile
8878         gc_comdat_test files.  Add -Wl,--gc-sections to build
8879         gc_comdat_test.
8880         * testsuite/Makefile.in: Regenerate.
8881         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8882
8883 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
8884
8885         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8886         kept comdat section was garbage collected.
8887         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8888         * testsuite/Makefile.in: Regenerate.
8889         * testsuite/gc_comdat_test.sh: New file.
8890         * testsuite/gc_comdat_test_1.cc: New file.
8891         * testsuite/gc_comdat_test_2.cc: New file.
8892
8893 2009-05-19  Doug Kwan  <dougkwan@google.com>
8894
8895         * archive.cc (Archive::Archive): Move constructor from archive.h
8896         to here.  Initialize no_export_.
8897         (Archive::get_elf_object_for_member): Set no_export flag of object.
8898         * archive.h (Archive::Archive): Move constructor body to
8899         archive.cc.
8900         (Archive::no_export): New method.
8901         (Archive::no_export_): New field.
8902         * object.h (Object::Object): Initialize no_export_ to false.
8903         (Object::no_export, Object::set_no_export): New methods.
8904         (Object::no_export_): New field.
8905         * options.cc (General_options::parse_exclude_libs): New method.
8906         (General_options::check_excluded_libs) Same.
8907         * options.h (exclude_libs): New option.
8908         (General_options::check_excluded_libs): New method declaration.
8909         (General_options::excluded_libs_): New field.
8910         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8911         default or protected visibility if an object has no-export flag set.
8912         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8913         (check_SCRIPTS): Add exclude_libs_test.sh.
8914         (check_DATA): Add exclude_libs_test.syms.
8915         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8916         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8917         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8918         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8919         (exclude_libs_test.syms, libexclude_libs_test_1.a,
8920         libexclude_libs_test_2.a): New rules.
8921         * testsuite/Makefile.in: Regenerate.
8922         * testsuite/exclude_libs_test.c: New file.
8923         * testsuite/exclude_libs_test.sh: Ditto.
8924         * testsuite/exclude_libs_test_1.c: Ditto.
8925         * testsuite/exclude_libs_test_2.c: Ditto.
8926
8927 2009-05-15  Ian Lance Taylor  <iant@google.com>
8928
8929         * configure.ac: Check for declarations for cases where libiberty.h
8930         checks HAVE_DECL_xxx.
8931         * configure, config.in: Rebuild.
8932
8933 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
8934
8935         * gold.h (Incremental_argument_list): Remove (invalid) forward
8936         declaration.
8937         * incremental.cc (Incremental_inputs::report_achive): New method.
8938         (Incremental_inputs::report_object): New method.
8939         (Incremental_inputs::report_script): New method.
8940         (Incremental_inputs::finalize_inputs): New method.
8941         (Incremental_inputs::finalize): Call finalize_inputs().
8942         (Incremental_inputs::sized_create_incremental_inputs_section_data):
8943         Create inputs entries.
8944         * incremental.h (Incremental_input_type): New enum.
8945         (Incremental_inputs::Incremental_input): Initialize new fields.
8946         (Incremental_inputs::report_inputs): New method.
8947         (Incremental_inputs::report_achive): New method.
8948         (Incremental_inputs::report_object): New method.
8949         (Incremental_inputs::report_script): New method.
8950         (Incremental_inputs::finalize_inputs): New method.
8951         (Incremental_inputs::Input_info): New struct.
8952         (Incremental_inputs::Input_info_map): New typedef.
8953         (Incremental_inputs::lock_): New field.
8954         (Incremental_inputs::Inputs_): New field.
8955         (Incremental_inputs::Inputs_map): New field.
8956         * main.cc (main): Call Incremental_input::report_inputs.
8957         * options.h (Input_argument_list): Typedef moved from
8958         Input_arguments.
8959         (Input_file_group::Files): Remove, use ::Input_argument_list.
8960         (Input_file_group::Input_argument_list): Remove, use
8961         ::Input_argument_list.
8962         * plugin.cc (Plugin_manager::add_input_file): Add error in
8963         incremental build.
8964         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8965         functions.
8966         * script.cc (read_input_script): Call
8967         Incremental_input::report_script.
8968         * script.h (Script_info): New class.
8969
8970 2009-04-27  Ian Lance Taylor  <iant@google.com>
8971
8972         * x86_64.cc (do_adjust_output_section): Set entsize to
8973         plt_entry_size.
8974
8975 2009-04-23  Elliott Hughes  <enh@google.com>
8976
8977         * output.cc (Output_file::close): After short writes, continue
8978         writing from the correct offset in the buffer being written.
8979
8980 2009-04-23  Chris Demetriou  <cgd@google.com>
8981
8982         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8983         * configure: Regenerate.
8984         * config.in: Regenerate.
8985         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8986         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8987
8988 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
8989
8990         * incremental.cc (Incremental_inputs_header_data): Renamed from
8991         Incremental_input_header_data.
8992         (Incremental_inputs_header_data::data_size): New field.
8993         (Incremental_inputs_header_data::put_input_file_count): Renamed
8994         from input_file_count.
8995         (Incremental_inputs_header_data::put_command_line_offset): Renamed
8996         from command_line_offset.
8997         (Incremental_inputs_header_data::put_reserved): Renamed from
8998         put_reserved.
8999         (Incremental_inputs_entry_data): Renamed from
9000         Incremental_input_entry_data.
9001         (Incremental_inputs_entry_data::data_size): New field.
9002         (Incremental_inputs::report_command_line): New method.
9003         (Incremental_inputs::finalize): New method.
9004         (Incremental_inputs::create_incremental_inputs_data): New method.
9005         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9006         * incremental.h: New file.
9007         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9008        (Layout::finalize): Create incremental inputs section in
9009         incremental builds.
9010        (Layout::create_incremental_info_sections): New method.
9011         * layout.h (Layout::incremental_inputs): New method.
9012        (Layout::create_incremental_info_sections): New method.
9013        (Layout::incremental_inputs_): New field.
9014         * main.cc (main): Notify Incremental_input of the command line.
9015
9016 2009-04-01  Ian Lance Taylor  <iant@google.com>
9017             Mikolaj Zalewski  <mikolajz@google.com>
9018
9019         * gold.h (reserve_unordered_map): Define, three versions, one for
9020         each version of Unordered_map.
9021         * layout.cc (Layout::Layout): Remove options parameter.  Add
9022         number_of_input_files parameter.  Don't initialize options_.
9023         Initialize number_of_input_files_ and resized_signatures_.  Move
9024         sections_are_attached_.
9025         (Layout::layout_group): Reserve space for group_signatures_.
9026         (Layout::find_or_add_kept_section): Change name parameter to be a
9027         reference.  Resize signatures_ map when it gets large enough.
9028         (Layout::layout_eh_frame): Use parameters->options() instead of
9029         this->options_.
9030         (Layout::make_output_section): Likewise.
9031         (Layout::attach_allocated_section_to_segment): Likewise.
9032         (Layout::finalize, Layout::create_executable_stack): Likewise.
9033         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9034         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9035         * layout.h (class Layout): Update declarations.  Remove options_
9036         field.  Add number_of_input_files_ and resized_signatures_
9037         fields.  Move sections_are_attached_ field.
9038         * main.cc (main): Pass number of input files to Layout
9039         constructor.  Don't pass options.
9040
9041 2009-03-30  Ian Lance Taylor  <iant@google.com>
9042
9043         * ffsll.c (ffsll): Correct implementation.
9044
9045 2009-03-27  Ian Lance Taylor  <iant@google.com>
9046
9047         * ffsll.c: New file.
9048         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9049         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9050         * ftruncate.c (ftruncate): Declare before definition.
9051         * mremap.c (mremap): Likewise.
9052         * pread.c (pread): Likewise.
9053         * configure, Makefile.in, config.in: Rebuild.
9054
9055         * mremap.c: New file.
9056         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9057         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9058         (mremap): Declare if HAVE_MREMAP is not defined.
9059         * configure, Makefile.in, config.in: Rebuild.
9060
9061 2009-03-27  Cary Coutant  <ccoutant@google.com>
9062
9063         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9064         position independent.
9065         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9066         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9067
9068 2009-03-24  Cary Coutant  <ccoutant@google.com>
9069
9070         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9071         an executable.
9072         (needs_dynamic_reloc): Likewise.
9073
9074 2009-03-24  Ian Lance Taylor  <iant@google.com>
9075
9076         * yyscript.y (file_cmd): Recognize EXTERN.
9077         (extern_name_list, extern_name_list_body): New nonterminals.
9078         * script.cc (script_add_extern): Define.
9079         * script-c.h (script_add_extern): Declare.
9080
9081 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9082
9083         * object.cc (is_elf_object): Define.
9084         * object.h (is_elf_object): Declare.
9085         * archive.cc (Archive::get_elf_object_for_member): Call
9086         is_elf_object.
9087         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9088
9089 2009-03-24  Elliott Hughes  <enh@google.com>
9090
9091         * output.cc (Output_file::map_anonymous): Define.
9092         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9093         try an anonymous one.  Report the size if the mmap fails.
9094         * output.h (class Output_file): Declare map_anonymous.
9095
9096 2009-03-24  Ian Lance Taylor  <iant@google.com>
9097
9098         * target-select.cc (instantiate_target): Don't acquire the lock if
9099         the instantiated_target_ field has already been set.
9100
9101 2009-03-23  Ian Lance Taylor  <iant@google.com>
9102
9103         * gold-threads.h (class Initialize_lock): Define.
9104         * gold-threads.cc (class Initialize_lock_once): Define.
9105         (initialize_lock_control): New static variable.
9106         (initialize_lock_pointer): New static variable.
9107         (initialize_lock_once): New static function.
9108         (Initialize_lock::Initialize_lock): Define.
9109         (Initialize_lock::initialize): Define.
9110         * target-select.h: Include "gold-threads.h".
9111         (class Target_selector): Add lock_ and initialize_lock_ fields.
9112         Don't define instantiate_target, just declare it.
9113         * target-select.cc (Target_selector::Target_selector): Initialize
9114         new fields.
9115         (Target_selector::instantiate_target): Define.
9116         * descriptors.h: Include "gold-threads.h".
9117         (class Descriptors): Add initialize_lock_ field.
9118         * descriptors.cc (Descriptors::Descriptors): Initialize new
9119         field.
9120         (Descriptors::open): Use initialize_lock_ field
9121         * errors.h (class Errors): Add initialize_lock_ field.
9122         * errors.cc (Errors::Errors): Initialize new field.
9123         (Errors::initialize_lock): Use initialize_lock_ field.
9124         * powerpc.cc (class Target_selector_powerpc): Remove
9125         instantiated_target_ field.  In do_recognize call
9126         instantiate_target rather than do_instantiate_target.  In
9127         do_instantiate_target just allocate a new target.
9128         * sparc.cc (class Target_selector_sparc): Likewise.
9129
9130         * freebsd.h: New file.
9131         * i386.cc: Include "freebsd.h".
9132         (Target_i386): Derive from Target_freebsd rather than
9133         Sized_target.
9134         (Target_selector_i386): Derive from Target_selector_freebsd rather
9135         than Target_selector.
9136         * x86_64.cc: Include "freebsd.h".
9137         (Target_x86_64): Derive from Target_freebsd rather than
9138         Sized_target.
9139         (Target_selector_x86_64): Derive from Target_selector_freebsd
9140         rather than Target_selector.
9141         * target.h (class Target): Add adjust_elf_header and
9142         do_adjust_elf_header.
9143         * output.cc (Output_file_header:: do_sized_write): Call target
9144         adjust_elf_header routine.
9145         * configure.tgt: Set targ_osabi.
9146         * configure.ac: Define GOLD_DEFAULT_OSABI.
9147         * parameters.cc (Parameters::default_target): Pass
9148         GOLD_DEFAULT_OSABI to select_target.
9149         * target-select.h (class Target_selector): Make instantiate_target
9150         protected rather than private.
9151         * Makefile.am (HFILES): Add freebsd.h.
9152         * configure, Makefile.in, config.in: Rebuild.
9153
9154         * merge.cc (do_add_input_section): Correct pend value.  Change
9155         message about last entry not being null terminated from error to
9156         warning.
9157
9158 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9159
9160         * incremental.cc: New file.
9161         * Makefile.am (CCFILES): Add incremental.cc.
9162         * Makefile.in: Rebuild.
9163
9164 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9165
9166         * layout.cc (Layout::output_section_name): Preserve names
9167         of '.note.' sections.
9168
9169 2009-03-19  Ian Lance Taylor  <iant@google.com>
9170
9171         * descriptors.cc (Descriptors::open): Check that the options are
9172         valid before using them.
9173
9174 2009-03-18  Ian Lance Taylor  <iant@google.com>
9175
9176         * script-sections.h: Include <list>.
9177         (class Script_sections): Change Sections_elements from std::vector
9178         to std::list.  Typedef public Elements_iterator.  Add
9179         orphan_section_placement_, data_segment_align_start_, and
9180         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9181         field.
9182         * script-sections.cc (class Orphan_section_placement): New class.
9183         (class Sections_element): Add virtual functions is_relro and
9184         orphan_section_init.  Remove virtual function place_orphan_here.
9185         (class Output_section_definition): Add is_relro and
9186         orphan_section_init.  Remove place_orphan_here.
9187         (class Orphan_output_section): Likewise.
9188         (Script_sections::Script_sections): Update for field changes.
9189         (Script_sections::data_segment_align): Set saw_data_segment_align_
9190         and data_segment_align_start_, not data_segment_align_index.
9191         (Script_sections::data_segment_relro_end): Check
9192         saw_data_segment_align_.  Use data_segment_align_start_ rather
9193         than data_segment_align_index_.
9194         (Script_sections::place_orphan): Rewrite to use
9195         Orphan_section_placement.
9196
9197 2009-03-17  Ian Lance Taylor  <iant@google.com>
9198
9199         * archive.cc (Archive::add_symbols): Check for a version attached
9200         to the symbol name in the archive map.
9201         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9202         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9203         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9204         (ver_test_11.a): New target.
9205         * testsuite/Makefile.in: Rebuild.
9206
9207         * configure.ac: Check for chsize and posix_fallocate.  Replace
9208         ftruncate.
9209         * ftruncate.c: New file, from gnulib.
9210         * output.cc (posix_fallocate): Define dummy version if not
9211         HAVE_POSIX_FALLOCATE.
9212         (Output_file::map): Call posix_fallocate rather than lseek and
9213         write.
9214         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9215         * configure, Makefile.in, config.in: Rebuild.
9216
9217 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9218
9219         * layout.h (Layout::create_note): Add section_name parameter.
9220         * layout.cc (Layout::create_note): Likewise.
9221         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9222
9223 2009-03-17  Ian Lance Taylor  <iant@google.com>
9224
9225         * descriptors.cc: Include "options.h".
9226         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9227         (Descriptors::open): Always use O_CLOEXEC when opening a new
9228         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9229         then set FD_CLOEXEC.
9230
9231         * sparc.cc (class Target_sparc): Add has_got_section.
9232         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9233         make sure we have a GOT section.
9234
9235         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9236         (Target_sparc::Scan::local): Likewise.
9237         (Target_sparc::Scan::global): Likewise.
9238         (Target_sparc::Relocate::relocate): Likewise.
9239         (Target_sparc::Relocate::relocate_tls): Likewise.
9240
9241         * symtab.cc (Symbol_table::define_default_version): New function,
9242         broken out of add_from_object.
9243         (Symbol_table::add_from_object): Call define_default_version.
9244         (Symbol_table::define_special_symbol): Add resolve_oldsym
9245         parameter.  Change all callers.  If the version for a symbol comes
9246         from a version script, resolve it with the symbol with the same
9247         name with no version.  Also add the symbol without a version if
9248         appropriate.
9249         (do_define_in_output_data): If resolving with oldsym, don't delete
9250         sym.
9251         (do_define_in_output_segment): Likewise.
9252         (do_define_as_constant): Likewise.
9253         * symtab.h (class Symbol_table): Update declarations.
9254
9255 2009-03-13  Ian Lance Taylor  <iant@google.com>
9256
9257         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9258         (Read_symbols::requeue): New function.
9259         (Read_symbols::do_read_symbols): If make_elf_object fails because
9260         the target type is not configured, and the file was searched for,
9261         issue a warning and retry with the next directory.
9262         (Add_symbols::run): If the file has an incompatible format, and
9263         it was searched for, requeue the Read_symbols task.  On error,
9264         release the object.
9265         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9266         dirindex parameter to constructor.  Change all callers.  Declare
9267         incompatible_warning and requeue.
9268         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9269         input_argument_ and input_group_ fields.  Add them to
9270         constructor.  Change all callers.
9271         (class Read_script): Add dirindex_ field.  Add it to constructor.
9272         Change all callers.
9273         * archive.cc (Archive::setup): Remove input_objects parameter.
9274         Change all callers.
9275         (Archive::get_file_and_offset): Likewise.
9276         (Archive::read_all_symbols): Likewise.
9277         (Archive::read_symbols): Likewise.
9278         (Archive::get_elf_object_for_member): Remove input_objects
9279         parameter.  Add punconfigured parameter.  Change all callers.
9280         (Archive::add_symbols): Change return type to bool.  Check return
9281         value of include_member.
9282         (Archive::include_all_members): Likewise.
9283         (Archive::include_member): Change return type to bool.  Return
9284         false if first included object has incompatible target.  Set
9285         included_member_ field.
9286         (Add_archive_symbols::run): If add_symbols returns false, requeue
9287         Read_symbols task.
9288         * archive.h (class Archive): Add included_member_ field.
9289         Initialize it in constructor.  Add input_file and searched_for
9290         methods.  Update declarations.
9291         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9292         input_argument_ fields.  Add them to constructor.  Change all
9293         callers.
9294         * script.cc: Include "target-select.h".
9295         (class Parser_closure): Add skip_on_incompatible_target_ and
9296         found_incompatible_target_ fields.  Add
9297         skip_on_incompatible_target parameter to constructor.  Change all
9298         callers.  Add methods skip_on_incompatible_target,
9299         clear_skip_on_incompatible_target, found_incompatible_target, and
9300         set_found_incompatible_target.
9301         (read_input_script): Add dirindex parameter.  Change all callers.
9302         If parser finds an incompatible target, requeue Read_symbols
9303         task.
9304         (script_set_symbol): Clear skip_on_incompatible_target in
9305         closure.
9306         (script_add_assertion, script_parse_option): Likewise.
9307         (script_start_sections, script_add_phdr): Likewise.
9308         (script_check_output_format): New function.
9309         * script.h (read_input_script): Update declaration.
9310         * script-c.h (script_check_output_format): Declare.
9311         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9312         (ignore_cmd): Remove OUTPUT_FORMAT.
9313         * fileread.cc (Input_file::Input_file): Add explicit this.
9314         (Input_file::will_search_for): New function.
9315         (Input_file::open): Add pindex parameter.  Change all callers.
9316         * fileread.h (class Input_file): Add input_file_argument method.
9317         Declare will_search_for.  Update declarations.
9318         * object.cc (make_elf_object): Add punconfigured parameter.
9319         Change all callers.
9320         * object.h (class Object): Make input_file public.  Add
9321         searched_for method.
9322         (make_elf_object): Update declaration.
9323         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9324         restart search.
9325         * dirsearch.h (class Dirsearch): Update declaration.
9326         * options.h (class General_options): Add --warn-search-mismatch.
9327         * parameters.cc (Parameters::is_compatible_target): New function.
9328         * parameters.h (class Parameters): Declare is_compatible_target.
9329         * workqueue.cc (Workqueue::add_blocker): New function.
9330         * workqueue.h (class Workqueue): Declare add_blocker.
9331
9332         * fileread.cc (Input_file::open): Remove options parameter.
9333         Change all callers.
9334         (Input_file::open_binary): Likewise.
9335         * script.cc (read_input_script): Likewise.
9336         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9337         options parameter from constructor.  Change all callers.
9338         (class Read_script): Likewise.
9339         * fileread.h (class Input_file): Update declarations.
9340         * script.h (read_input_script): Update declaration.
9341
9342 2009-03-10  Nick Clifton  <nickc@redhat.com>
9343
9344         * po/es.po: New Spanish translation.
9345
9346 2009-03-06  Cary Coutant  <ccoutant@google.com>
9347
9348         * options.cc (parse_short_option): Keep dash_z from registering itself.
9349
9350 2009-03-03  Ian Lance Taylor  <iant@google.com>
9351
9352         PR 9918
9353         * target-reloc.h (relocate_section): Pass output_section to
9354         relocate.
9355         * i386.cc (Target_i386::should_apply_static_reloc): Add
9356         output_section parameter.  Change all callers.
9357         (Target_i386::Relocate::relocate): Add output_section parameter.
9358         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9359         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9360         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9361         * testsuite/two_file_shared.sh: New script.
9362         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9363         (check_DATA): Add two_file_shared.dbg.
9364         (two_file_shared.dbg): New target.
9365         * testsuite/Makefile.in: Rebuild.
9366
9367 2009-03-01  Ian Lance Taylor  <iant@google.com>
9368
9369         * configure.ac: Check for byteswap.h.
9370         * configure: Rebuild.
9371         * config.in: Rebuild.
9372
9373 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9374
9375         * layout.cc (Layout::find_or_add_kept_section): New function.
9376         (Layout::add_comdat): Removed.
9377         * layout.h (struct Kept_section): Move out of class Layout.
9378         Remove trailing underscores from field names.  Add group_sections
9379         field.  Rename group_ field to is_group.  Change all uses.
9380         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9381         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9382         comdat_groups_ field.
9383         (Sized_relobj::include_section_group): Use
9384         find_or_add_kept_section and Kept_section::group_sections.
9385         (Sized_relobj::include_linkonce_section): Likewise.
9386         * object.cc (class Sized_relobj): Don't define Comdat_group or
9387         Comdat_group_table.  Remove find_comdat_group and
9388         add_comdat_group.  Remove comdat_groups_ field.
9389         * plugin.cc (include_comdat_group): Use
9390         Layout::find_or_add_kept_section.
9391
9392 2009-02-28  Ian Lance Taylor  <iant@google.com>
9393
9394         * README: --gc-sections and map files are now supported.  Document
9395         some build requirements.
9396
9397         PR 6992
9398         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9399         relocatable link set the value of the section symbol to zero.
9400         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9401         relocatable link don't include the section address in the local
9402         symbol value.
9403
9404 2009-02-27  Ian Lance Taylor  <iant@google.com>
9405
9406         PR 6811
9407         * options.h (class Search_directory): Add is_system_directory.
9408         (class General_options): Declare is_in_system_directory.
9409         * options.cc (get_relative_sysroot): Make static.
9410         (get_default_sysroot): Make static.
9411         (General_optoins::is_in_system_directory): New function.
9412         * fileread.cc (Input_file::is_in_system_directory): New function.
9413         * fileread.h (class Input_file): Declare is_in_system_directory.
9414         * object.h (class Object): Add is_in_system_directory.
9415         (class Input_objects): Remove system_library_directory_ field.
9416         * object.cc (Input_objects::add_object): Don't set
9417         system_library_directory_.
9418         (input_objects::found_in_system_library_directory): Remove.
9419         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9420         parameter.  Change all callers.
9421         (Symbol_table::sized_write_globals): Likewise.
9422         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9423         Call Object::is_in_system_directory.
9424         * symtab.h (class Symbol_table): Update declarations.
9425
9426         PR 5990
9427         * descriptors.h (Open_descriptor): Add is_on_stack field.
9428         * descriptors.cc (Descriptors::open): If the descriptor is on the
9429         top of the stack, remove it.  Initialize is_on_stack field.
9430         (Descriptors::release): Only add pod to stack if it is not on the
9431         stack already.
9432         (Descriptors::close_some_descriptor): Clear stack_next and
9433         is_on_stack fields.
9434
9435         PR 7091
9436         * output.cc (Output_section::find_starting_output_address): Rename
9437         from starting_output_address; add PADDR parameter; change return
9438         type.
9439         * output.h (class Output_section): Declare
9440         find_starting_output_address instead of starting_output_address.
9441         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9442         section symbol for which we can't find a merge section.
9443
9444         PR 9836
9445         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9446         hidden or internal, force the symbol to be local.
9447         * resolve.cc (Symbol::override_visibility): Define.
9448         (Symbol::override_base): Use override_visibility.
9449         (Symbol_table::resolve): Likewise.
9450         (Symbol::override_base_with_special): Likewise.
9451         (Symbol_table::override_with_special): If the visibility is hidden
9452         or internal, force the symbol to be local.
9453         * symtab.h (class Symbol): Add set_visibility and
9454         override_visibility.
9455         * testsuite/ver_test_1.sh: New file.
9456         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9457         (check_DATA): Add ver_test_1.syms.
9458         (ver_test_1.syms): New target.
9459         * testsuite/Makefile.in: Rebuild.
9460
9461 2009-02-25  Cary Coutant  <ccoutant@google.com>
9462
9463         * layout.cc (Layout::choose_output_section): Don't rename sections
9464         when using a linker script that has a SECTIONS clause.
9465         * Makefile.in: Regenerate.
9466
9467         * testsuite/Makefile.am (script_test_5.sh): New test case.
9468         * testsuite/Makefile.in: Regenerate.
9469         * testsuite/script_test_5.cc: New file.
9470         * testsuite/script_test_5.sh: New file.
9471         * testsuite/script_test_5.t: New file.
9472
9473 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9474
9475         * archive.cc (Archive::include_member): Update calls to add_symbols.
9476         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9477         the Layout argument.
9478         * dynobj.h (do_add_symbols): Add the Layout argument.
9479         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9480         Layout argument.
9481         * object.h (Object::add_symbols): Add the Layout argument.
9482         (Object::do_add_symbols): Add the Layout argument.
9483         (Sized_relobj::do_add_symbols): Add the Layout argument.
9484         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9485         Unify the two versions.
9486         (Add_plugin_symbols): Remove.
9487         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9488         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9489         (Add_plugin_symbols): Remove.
9490         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9491         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9492         (Add_symbols::run): Make it work with Pulginobj.
9493
9494 2009-02-06  Ian Lance Taylor  <iant@google.com>
9495
9496         * object.cc (Sized_relobj::do_layout): Make info message start
9497         with lower case letter.
9498
9499 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9500
9501         * binary.cc: Fix file comment.
9502
9503         * options.h (enum Incremental_disposition): Define.
9504         (class General_options): Add new options: --incremental,
9505         --incremental_changed, --incremental_unchanged,
9506         --incremental_unknown.  Add incremental_disposition_ and
9507         implicit_incremental_ fields.
9508         (General_options::incremental_disposition): New function.
9509         (class Position_dependent_options): Add incremental_disposition
9510         option.
9511         (Position_dependent_options::copy_from_options): Set incremental
9512         dispositions.
9513         * options.cc (General_options::parse_incremental_changed): New
9514         function.
9515         (General_options::parse_incremental_unchanged): New function.
9516         (General_options::parse_incremental_unknown): New function.
9517         (General_options::General_options): Initialize new fields
9518         incremental_disposition_ and implicit_incremental_.
9519         (General_options::finalize): Check for uasge of --incremental-*
9520         without --incremental.
9521
9522 2009-02-06  Chris Demetriou  <cgd@google.com>
9523
9524         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9525         pointer and to report location as the file name associated with
9526         the symbol.
9527         (gold_undefined_symbol_at_location): New function to replace the
9528         old gold_undefined_symbol functionality.
9529         * target-reloc.h (relocate_section): Update to use
9530         gold_undefined_symbol_at_location.
9531         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9532         Call gold_undefined_symbol function rather than gold_error.
9533         * errors.h (Errors::undefined_symbol): Take location as a
9534         string, rather than calculating it from a relocation.
9535         * errors.cc (Errors::fatal): Print "fatal error:" before the
9536         formatted message.
9537         (Errors::error, Errors::error_at_location): Print "error: "
9538         before the formatted message.
9539         (Errors::undefined_symbol): Take location as a string, rather
9540         than calculating it from a relocation.
9541         (gold_undefined_symbol_at_location): New function akin to
9542         old gold_undefined_symbol, calculates location from relocation.
9543         (gold_undefined_symbol): Change to take only a Symbol pointer
9544         and to report location as the file name associated with the symbol.
9545         * testsuite/debug_msg.sh: Update for changed error messages.
9546         * testsuite/undef_symbol.sh: Likewise.
9547
9548 2009-02-04  Duncan Sands  <baldrick@free.fr>
9549
9550         PR 9812
9551         * reduced_debug_output.h
9552         (Output_reduced_debug_abbrev_section::failed): Use format for
9553         gold_warning.
9554         (Output_reduced_debug_info_section::faild): Likewise.
9555
9556 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9557
9558         * script.cc (Lazy_demangler): New class.
9559         (Version_script_info::get_symbol_version_helper): Demangle a
9560         symbol only once.
9561
9562 2009-01-29  Cary Coutant  <ccoutant@google.com>
9563
9564         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9565         to __tls_get_addr.
9566         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9567
9568 2009-01-28  Ian Lance Taylor  <iant@google.com>
9569
9570         * version.cc (version_string): Bump to 1.9.
9571
9572         * gold.h: Include <cstring> and <stdint.h>.
9573         * version.cc: Include <cstdio>.
9574         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9575         warning.
9576         * reduced_debug_output.cc (insert_into_vector): Rename from
9577         Insert_into_vector; change all callers.  Use Swap_unaligned to
9578         avoid aliasing issue; remove union since it is unnecessary.
9579
9580 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9581
9582         * Makefile.am (CCFILES): Add gc.cc.
9583         (HFILES): Add gc.h.
9584         * Makefile.in: Regenerate.
9585         * gold.cc (Gc_runner): New class.
9586         (queue_initial_tasks): Call garbage collection related tasks
9587         when corresponding options are invoked.
9588         (queue_middle_gc_tasks): New function.
9589         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9590         processed early before laying out sections during garbage collection.
9591         * gold.h (queue_middle_gc_tasks): New function.
9592         (is_prefix_of): Move from "layout.cc".
9593         * i386.cc (Target_i386::gc_process_relocs): New function.
9594         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9595         * main.cc (main): Create object of class "Garbage_collection".
9596         * object.cc (Relobj::copy_symbols_data): New function.
9597         (Relobj::is_section_name_included): New function.
9598         (Sized_relobj::do_layout): Allow this function to be called twice
9599         during garbage collection and defer layout of section during the
9600         first call.
9601         * object.h (Relobj::get_symbols_data): New function.
9602         (Relobj::is_section_name_included): New function.
9603         (Relobj::copy_symbols_data): New function.
9604         (Relobj::set_symbols_data): New function.
9605         (Relobj::get_relocs_data): New function.
9606         (Relobj::set_relocs_data): New function.
9607         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9608         (Relobj::gc_process_relocs): New function.
9609         (Relobj::do_gc_process_relocs): New pure virtual function.
9610         (Relobj::sd_): New data member.
9611         (Sized_relobj::is_output_section_offset_invalid): New function.
9612         (Sized_relobj::do_gc_process_relocs): New function.
9613         * options.h (General_options::gc_sections): Modify to not be a no-op.
9614         (General_options::print_gc_sections): New option.
9615         * plugin.cc (Plugin_finish::run): Remove function call to
9616         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9617         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9618         * reloc.cc (Read_relocs::run): Add task to process relocs and
9619         determine unreferenced sections when doing garbage collection.
9620         (Gc_process_relocs): New class.
9621         (Sized_relobj::do_gc_process_relocs): New function.
9622         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9623         sections that are garbage collected.
9624         * reloc.h (Gc_process_relocs): New class.
9625         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9626         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9627         symbols whose corresponding sections are garbage collected.
9628         (Symbol_table::Symbol_table): Add new parameter for the garbage
9629         collection object.
9630         (Symbol_table::gc_mark_undef_symbols): New function.
9631         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9632         (Symbol_table::gc_mark_dyn_syms): New function.
9633         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9634         as garbage.
9635         (Symbol_table::add_from_object): Likewise.
9636         (Symbol_table::add_from_relobj): When building shared objects, do not
9637         treat externally visible symbols as garbage.
9638         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9639         table information for static and relocatable links.
9640         * symtab.h (Symbol_table::set_gc): New function.
9641         (Symbol_table::gc): New function.
9642         (Symbol_table::gc_mark_undef_symbols): New function.
9643         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9644         (Symbol_table::gc_mark_dyn_syms): New function.
9645         (Symbol_table::gc_): New data member.
9646         * target.h (Sized_target::gc_process_relocs): New pure virtual
9647         function.
9648         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9649         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9650
9651 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9652
9653         * options.h (General_options::gc_sections): Define as a no-op for now.
9654         (General_options::no_keep_memory): Ditto.
9655         (General_options::Bshareable): Define.
9656         * options.cc (General_options::finalize): Honor -Bshareable.
9657
9658 2009-01-20  Andreas Schwab  <schwab@suse.de>
9659
9660         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9661         read the value in the contents, since we don't use it.  Use the
9662         template endianness when writing.
9663         (Relocate::relocate): Use it for R_PPC_REL16_HA.
9664
9665 2009-01-19  Andreas Schwab  <schwab@suse.de>
9666
9667         * configure.tgt (powerpc64-*): Fix targ_obj.
9668
9669 2009-01-15  Ian Lance Taylor  <iant@google.com>
9670
9671         * object.cc (Sized_relobj::write_local_symbols): Don't write out
9672         local symbols when stripping all symbols.
9673
9674 2009-01-14  Cary Coutant  <ccoutant@google.com>
9675
9676         * output.cc (Output_reloc): Add explicit instantiations.
9677
9678 2009-01-14  Cary Coutant  <ccoutant@google.com>
9679
9680         * archive.cc (Archive::get_elf_object_for_member): Remove call
9681         to File_read::claim_for_plugin.
9682         * descriptors.cc (Descriptors::open): Remove reference to
9683         is_claimed.
9684         (Descriptors::claim_for_plugin): Remove.
9685         * descriptors.h (Descriptors::claim_for_plugin): Remove.
9686         (Descriptors::is_claimed): Remove.
9687         (claim_descriptor_for_plugin): Remove.
9688         * fileread.cc (File_read::claim_for_plugin): Remove.
9689         * fileread.h (File_read::claim_for_plugin): Remove.
9690         (File_read::descriptor): Reopen descriptor if necessary.
9691         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
9692         (Plugin_manager::all_symbols_read): Add task parameter. Change
9693         all callers.
9694         (Plugin_manager::get_input_file): New function.
9695         (Plugin_manager::release_input_file): New function.
9696         (Pluginobj::Pluginobj): Add filesize parameter and initialize
9697         corresponding data member.
9698         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9699         and pass to base constructor. Change all callers.
9700         (get_input_file, release_input_file): New functions.
9701         (make_sized_plugin_object): Add filesize parameter. Change all callers.
9702         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9703         (Plugin_manager::all_symbols_read): Add task parameter.
9704         (Plugin_manager::get_input_file): New function.
9705         (Plugin_manager::release_input_file): New function.
9706         (Plugin_manager::task_): New data member.
9707         (Pluginobj::Pluginobj): Add filesize parameter.
9708         (Pluginobj::filename): New function.
9709         (Pluginobj::descriptor): New function.
9710         (Pluginobj::filesize): New function.
9711         (Pluginobj::filesize_): New data member.
9712         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9713         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9714         File_read::claim_for_plugin; use Object::unlock to unlock the file.
9715
9716         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9717         with archive libraries.
9718         * testsuite/Makefile.in: Regenerate.
9719         * testsuite/plugin_test.c (struct sym_info): New type.
9720         (get_input_file, release_input_file): New static variables.
9721         (onload): Capture new transfer vector entries.
9722         (claim_file_hook): Stop reading at end of file according to filesize.
9723         Factor out parsing of readelf output into separate function.
9724         (all_symbols_read_hook): Exercise get_input_file and release_input_file
9725         APIs and get the source file name from the symbol table.  Convert
9726         source file name to corresponding object file name.  Print info
9727         message when adding new input files.
9728         (parse_readelf_line): New function.
9729         * testsuite/plugin_test_1.sh: Add checks for new info messages.
9730         * testsuite/plugin_test_2.sh: Likewise.
9731         * testsuite/plugin_test_3.sh: Likewise.
9732         * testsuite/plugin_test_4.sh: New test case.
9733
9734 2009-01-07  Ian Lance Taylor  <iant@google.com>
9735
9736         * version.cc (version_string): Bump to 1.8.
9737
9738 2008-12-23  Cary Coutant  <ccoutant@google.com>
9739
9740         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9741         * plugin.cc (Plugin_manager::finish): Rename as
9742         layout_deferred_objects.  Move cleanup to separate function.
9743         (Plugin_manager::cleanup): New function.
9744         (Plugin_finish::run): Call layout_deferred_objects and cleanup
9745         separately.
9746         * plugin.h (Plugin_manager::finish): Rename as
9747         layout_deferred_objects.
9748         (Plugin_manager::cleanup): New function.
9749         (Plugin_manager::cleanup_done): New field.
9750
9751 2008-12-23  Cary Coutant  <ccoutant@google.com>
9752
9753         * plugin.cc (is_visible_from_outside): New function.
9754         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9755         so we don't return "IR only" status for exported symbols or -r links.
9756
9757         * testsuite/Makefile.am (plugin_test_3): New test case.
9758         * testsuite/Makefile.in: Regenerate.
9759         * testsuite/plugin_test_3.sh: New file.
9760
9761 2008-12-22  Cary Coutant  <ccoutant@google.com>
9762
9763         * object.cc (Sized_relobj::layout_section): New function.
9764         (Sized_relobj::do_layout): Defer layout of input sections until after
9765         plugin has provided replacement files.
9766         (Sized_relobj::do_layout_deferred_sections): New function.
9767         * object.h (Relobj::set_section_offset): Remove virtual keyword.
9768         (Relobj::layout_deferred_sections): New function.
9769         (Relobj::do_layout_deferred_sections): New function.
9770         (Sized_relobj::do_layout_deferred_sections): New function.
9771         (Sized_relobj::layout_section): New function.
9772         (Sized_relobj::Deferred_layout): New structure.
9773         (Sized_relobj::deferred_layout_): New field.
9774         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9775         Change all callers.  Layout deferred sections.
9776         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
9777         references.
9778         (Plugin_hook::run): Move code from do_plugin_hook inline.
9779         (Plugin_hook::do_plugin_hook): Remove.
9780         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9781         (Plugin_manager::finish): Renamed, was cleanup.
9782         (Plugin_manager::should_defer_layout): New function.
9783         (Plugin_manager::add_deferred_layout_object): New function.
9784         (Plugin_manager::Deferred_layout_list): New type.
9785         (Plugin_manager::deferred_layout_objects_): New field.
9786         (Plugin_hook::do_plugin_hook): Remove.
9787
9788 2008-12-17  Ian Lance Taylor  <iant@google.com>
9789
9790         * options.h (class General_options): Add --no case for
9791         --export-dynamic.
9792
9793 2008-12-16  Cary Coutant  <ccoutant@google.com>
9794
9795         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9796         vector.
9797         (Plugin_manager::claim_file): Create plugin object even if
9798         plugin did not call the add_symbols callback.
9799         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9800         asking for more symbols than were added.
9801         * testsuite/Makefile.am (plugin_test_1): Add test case with
9802         no global symbols.
9803         (empty.syms): New target.
9804         * testsuite/Makefile.in: Regenerate.
9805         * testsuite/plugin_test.c (claim_file_hook): Add new debug
9806         message. Don't call add_symbols if no globals.
9807         (all_symbols_read_hook): Don't provide replacement for empty
9808         claimed file.
9809
9810 2008-12-12  Ian Lance Taylor  <iant@google.com>
9811
9812         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9813         r_type == 0 for a local symbol with r_sym == 0.
9814         (scan_relocatable_relocs): Pass r_sym to
9815         local_non_section_strategy.
9816         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9817         r_sym parameter.
9818
9819         * configure.ac: Update test for TLS descriptors: they are
9820         supported as of glibc 2.9.
9821         * configure: Rebuild.
9822
9823 2008-12-11  Ian Lance Taylor  <iant@google.com>
9824
9825         PR 7091
9826         * target-reloc.h (Default_scan_relocatable_relocs): For each
9827         function, map r_type == 0 to RELOC_DISCARD.
9828
9829 2008-12-10  Cary Coutant  <ccoutant@google.com>
9830
9831         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9832         object to override a kept COMDAT group from a plugin object.
9833
9834 2008-12-09  Ian Lance Taylor  <iant@google.com>
9835
9836         PR 7088
9837         * yyscript.y (file_cmd): Handle INPUT.
9838
9839         * testsuite/initpri1.c: Change all declarations to be full
9840         prototypes by adding void, to avoid compiler warnings.
9841
9842 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
9843
9844         * options.cc (General_options::parse_plugin_opt): New.
9845         (General_options::add_plugin): The argument now is just the filename.
9846         (General_options::add_plugin_option): New.
9847         * options.h (plugin_opt): New.
9848         (add_plugin): Change argument name.
9849         (add_plugin_option): New.
9850         * plugin.cc (Plugin::load): Don't parse the plugin option.
9851         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9852         (Plugin::add_option): New.
9853         (Plugin::args_): Change type.
9854         (Plugin::filename_): New.
9855         (Plugin_manager::add_plugin_option): New.
9856         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9857         * testsuite/Makefile.in: Regenerate.
9858
9859 2008-12-05  Cary Coutant  <ccoutant@google.com>
9860
9861         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9862         Handle --strip-lto-sections option.
9863         * options.h (strip_lto_sections): New option.
9864
9865 2008-12-01  Cary Coutant  <ccoutant@google.com>
9866
9867         * plugin.cc (ld_plugin_message): Change format parameter to const.
9868         Fix mismatch between new[] and delete.
9869
9870 2008-11-14  Cary Coutant  <ccoutant@google.com>
9871
9872         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9873         instead of -1U.
9874
9875 2008-11-05  Craig Silverstein  <csilvers@google.com>
9876
9877         * options.cc (General_options::parse_dynamic_list): New function.
9878         * options.h (General_options): New flags dynamic_list,
9879         dynamic_list_data, dynamic_list_cpp_new, and
9880         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
9881         (General_options::in_dynamic_list): New function.
9882         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9883         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9884         (Lex::can_continue_name): Likewise.
9885         (yylex): Likewise.
9886         (read_script_file): New parameter script_options.
9887         (read_dynamic_list): New function.
9888         (Script_options::define_dynamic_list): New function.
9889         (dynamic_list_keyword_parsecodes): New variable.
9890         (dynamic_list_keywords): New variable.
9891         * script.h (Script_options::define_dynamic_list): New function
9892         prototype.
9893         (read_dynamic_list): New function prototype.
9894         * symtab.cc (strprefix): New macro.
9895         (Symbol::should_add_dynsym_entry): Support dynamic_list,
9896         dynamic_list_data, dynamic_list_cpp_new, and
9897         dynamic_list_cpp_typeinfo.
9898         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9899         (dynamic_list_expr): New rule.
9900         (dynamic_list_nodes): Likewise.
9901         (dynamic_list_node): Likewise.
9902         * testsuite/Makefile.am (dynamic_list): New test.
9903         * testsuite/Makefile.in: Regenerated.
9904         * testsuite/dynamic_list.t: New file.
9905         * testsuite/dynamic_list.sh: New file.
9906
9907 2008-11-05  Craig Silverstein  <csilvers@google.com>
9908
9909         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9910         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9911         (t11_last): Likewise.
9912         * testsuite/ver_test_6.c (main): Likewise.
9913
9914 2008-10-07  Cary Coutant  <ccoutant@google.com>
9915
9916         * options.c (General_options::finalize): Add check for -static and
9917         -shared.
9918         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9919         is not empty.
9920
9921 2008-10-02  Cary Coutant  <ccoutant@google.com>
9922
9923         * plugin.cc (make_sized_plugin_object): Fix conditional
9924         compilation to work when not all targets are enabled.
9925
9926 2008-09-29  Cary Coutant  <ccoutant@google.com>
9927
9928         * archive.cc (Archive::get_file_and_offset): Use filename instead
9929         of name to get library path.
9930         (Archive::include_member): Unlock external member of a thin archive.
9931
9932         * testsuite/Makefile.am (TEST_AR): New variable.
9933         (thin_archive_test_1): New test.
9934         (thin_archive_test_2): New test.
9935         * testsuite/Makefile.in: Regenerate.
9936         * testsuite/thin_archive_main.cc: New file.
9937         * testsuite/thin_archive_test_1.cc: New file.
9938         * testsuite/thin_archive_test_2.cc: New file.
9939         * testsuite/thin_archive_test_3.cc: New file.
9940         * testsuite/thin_archive_test_4.cc: New file.
9941
9942 2008-09-29  Cary Coutant  <ccoutant@google.com>
9943
9944         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9945         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9946         instead of -1U.
9947         (Sized_relobj::do_finalize_local_symbols): Likewise.
9948         (Sized_relobj::map_to_kept_section): Likewise.
9949         * object.h (Sized_relobj::invalid_address): New constant.
9950         (Sized_relobj::do_output_section_offset): Check for invalid_address
9951         and return -1ULL.
9952         * output.cc (Output_reloc::local_section_offset): Use constant
9953         invalid_address instead of -1U.
9954         (Output_reloc::get_address): Likewise.
9955         (Output_section::output_address): Change -1U to -1ULL.
9956         * output.h (Output_reloc::invalid_address): New constant.
9957         * reloc.cc (Sized_relobj::write_sections): Use constant
9958         invalid_address instead of -1U.
9959         (Sized_relobj::relocate_sections): Likewise.
9960         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9961         values for merge sections.
9962         * target-reloc.h (relocate_for_relocatable): Use constant
9963         invalid_address instead of -1U.
9964
9965 2008-09-19  Cary Coutant  <ccoutant@google.com>
9966
9967         Add plugin functionality for link-time optimization (LTO).
9968         * configure.ac (plugins): Add --enable-plugins option.
9969         * configure: Regenerate.
9970         * config.in: Regenerate.
9971         * Makefile.am (LIBDL): New variable.
9972         (CCFILES): Add plugin.cc.
9973         (HFILES): Add plugin.h.
9974         (ldadd_var): Add LIBDL.
9975         * Makefile.in: Regenerate.
9976
9977         * archive.cc: Include "plugin.h".
9978         (Archive::setup): Don't preread archive symbols when using a plugin.
9979         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
9980         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9981         files.
9982         (Archive::include_member): Add symbols from plugin objects.
9983         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9984         * descriptors.cc (Descriptors::open): Check for file descriptors
9985         abandoned by plugins.
9986         (Descriptors::claim_for_plugin): New function.
9987         * descriptors.h (Descriptors::claim_for_plugin): New function.
9988         (Open_descriptor::is_claimed): New field.
9989         (claim_descriptor_for_plugin): New function.
9990         * fileread.cc (File_read::claim_for_plugin): New function.
9991         * fileread.h (File_read::claim_for_plugin): New function.
9992         (File_read::descriptor): New function.
9993         * gold.cc: Include "plugin.h".
9994         (queue_initial_tasks): Add task to call plugin hooks for generating
9995         new object files.
9996         * main.cc: Include "plugin.h".
9997         (main): Load plugin libraries.
9998         * object.h (Pluginobj): Declare.
9999         (Object::pluginobj): New function.
10000         (Object::do_pluginobj): New function.
10001         (Object::set_target): New function.
10002         * options.cc: Include "plugin.h".
10003         (General_options::parse_plugin): New function.
10004         (General_options::General_options): Initialize plugins_ field.
10005         (General_options::add_plugin): New function.
10006         * options.h (Plugin_manager): Declare.
10007         (General_options): Add --plugin option.
10008         (General_options::has_plugins): New function.
10009         (General_options::plugins): New function.
10010         (General_options::add_plugin): New function.
10011         (General_options::plugins_): New field.
10012         * plugin.cc: New file.
10013         * plugin.h: New file.
10014         * readsyms.cc: Include "plugin.h".
10015         (Read_symbols::do_read_symbols): Check for archive before checking
10016         for ELF file.  Call plugin hooks to claim files.
10017         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10018         from a real object file; force override when processing replacement
10019         files.
10020         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10021         (Symbol::init_base_object): Likewise.
10022         (Symbol::init_base_output_data): Likewise.
10023         (Symbol::init_base_output_segment): Likewise.
10024         (Symbol::init_base_constant): Likewise.
10025         (Symbol::init_base_undefined): Likewise.
10026         (Symbol::output_section): Assert that object is not a plugin.
10027         (Symbol_table::add_from_pluginobj): New function.
10028         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10029         undefined.
10030         (Symbol_table::sized_write_globals): Likewise.
10031         (Symbol_table::add_from_pluginobj): Instantiate template.
10032         * symtab.h (Sized_pluginobj): Declare.
10033         (Symbol::in_real_elf): New function.
10034         (Symbol::set_in_real_elf): New function.
10035         (Symbol::in_real_elf_): New field.
10036         (Symbol_table::add_from_pluginobj): New function.
10037
10038         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10039         (LIBDL): New variable.
10040         (LDADD): Add LIBDL.
10041         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10042         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10043         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10044         (MOSTLYCLEANFILES): Likewise.
10045         * testsuite/Makefile.in: Regenerate.
10046         * testsuite/plugin_test.c: New file.
10047         * testsuite/plugin_test_1.sh: New file.
10048         * testsuite/plugin_test_2.sh: New file.
10049
10050 2008-09-16  Ian Lance Taylor  <iant@google.com>
10051
10052         * target-reloc.h (relocate_section): Check whether a symbol is
10053         defined by the ABI before reporting an undefined symbol error.
10054         * target.h (Target::is_defined_by_abi): Make parameter const.
10055         (Target::do_is_defined_by_abi): Likewise.
10056         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10057         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10058         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10059         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10060         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10061         * testsuite/Makefile.in: Rebuild.
10062
10063         * fileread.cc (make_view): Add casts to avoid warning.
10064
10065 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10066
10067         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10068         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10069
10070 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10071
10072         * options.h (General_options::output_is_executable): New.
10073         (General_options::output_is_pie): New.
10074         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10075         for shared libraries.
10076         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10077
10078 2008-09-11  Chris Demetriou  <cgd@google.com>
10079
10080         * options.h (origin): New -z option.
10081         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10082         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10083         in DT_FLAGS_1.
10084
10085 2008-09-05  Cary Coutant  <ccoutant@google.com>
10086
10087         * fileread.cc (File_read::make_view): Add check for attempt to map
10088         beyond end of file.
10089
10090 2008-09-05  Cary Coutant  <ccoutant@google.com>
10091
10092         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10093         explicit instantiations.
10094
10095 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10096
10097         PR gold/6858
10098         * options.cc (General_options::finalize): Allow undefined symbols
10099         in shlibs if linking -shared.
10100
10101         PR gold/6859
10102         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10103         symbols as not needing a dynsym entry.
10104
10105 2008-08-20  Craig Silverstein  <csilvers@google.com>
10106
10107         * fileread.cc (File_read::open): Do not lock the file unless it
10108         was successfully opened.
10109
10110 2008-08-14  Cary Coutant  <ccoutant@google.com>
10111
10112         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10113         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10114         * testsuite/tls_test.cc (struct int128): 128-bit struct
10115         for testing TLS relocs with non-zero addend.
10116         (v12): New TLS variable.
10117         (t12): New test.
10118         (t_last): Add check for v12.
10119         * testsuite/tls_test.h (t12): New function.
10120         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10121
10122 2008-08-13  Ian Lance Taylor  <iant@google.com>
10123
10124         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10125         set tls_segment_ or relro_segment_.
10126         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10127         when appropriate.
10128         * output.h (Output_section::clear_is_relro): New function.
10129         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10130         sections specially even when output_data_ is empty.
10131         (Output_segment::maximum_alignment): When first section is relro,
10132         only force alignment for PT_LOAD segments.
10133         * script.cc (script_data_segment_align): New function.
10134         (script_data_segment_relro_end): New function.
10135         * script-c.h (script_data_segment_align): Declare.
10136         (script_data_segment_relro_end): Declare.
10137         * script-sections.h (class Script_sections): Declare
10138         data_segment_align and data_segment_relro_end.  Add fields
10139         segment_align_index_ and saw_relro_end_.
10140         * script-sections.cc (class Sections_element): Add set_is_relro
10141         virtual function.  Add new bool* parameter to place_orphan_here.
10142         Add get_output_section virtual function.
10143         (class Output_section_definition): Add set_is_relro.  Add new
10144         bool* parameter to place_orphan_here.  Add get_output_section.
10145         Add is_relro_ field.
10146         (Output_section_definition::Output_section_definition): Initialize
10147         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10148         and is_relro_ fields.
10149         (Output_section_definition::place_orphan_here): Add is_relro
10150         parameter.
10151         (Output_section_definition::set_section_addresses): Set relro for
10152         output section.
10153         (Output_section_definition::alternate_constraint): Likewise.
10154         (class Orphan_output_section): Add new bool* parameter to
10155         place_orphan_here.  Add get_output_section.
10156         (Orphan_output_section::place_orphan_here): Add is_relro
10157         parameter.
10158         (Script_sections::Script_sections): Initialize
10159         data_segment_align_index_ and saw_relro_end_.
10160         (Script_sections::data_segment_align): New function.
10161         (Script_sections::data_segment_relro_end): New function.
10162         (Script_sections::place_orphan): Set or clear is_relro.
10163         (Script_sections::set_section_addresses): Force alignment of first
10164         TLS section.
10165         * yyscript.y (exp): Call script_data_segment_align and
10166         script_data_segment_relro_end.
10167         * testsuite/relro_script_test.t: New file.
10168         * testsuite/relro_test.cc (using_script): Declare.
10169         (t1, t2): Test using_script.
10170         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10171         (relro_script_test_SOURCES): Define.
10172         (relro_script_test_DEPENDENCIES): Define.
10173         (relro_script_test_LDFLAGS): Define.
10174         (relro_script_test_LDADD): Define.
10175         (relro_script_test.so): New target.
10176         * testsuite/Makefile.in: Rebuild.
10177
10178 2008-08-06  Cary Coutant <ccoutant@google.com>
10179
10180         * archive.cc (Archive::total_archives, Archive::total_members)
10181         (Archive::total_members_loaded): New variables.
10182         (Archive::setup): Add parameter.  Add option to preread
10183         archive symbols.
10184         (Archive::read_armap): Add counter.
10185         (Archive::get_file_and_offset): New function.
10186         (Archive::get_elf_object_for_member): New function.
10187         (Archive::read_all_symbols): New function.
10188         (Archive::read_symbols): New function.
10189         (Archive::add_symbols): Add counters.
10190         (Archive::include_all_members): Use armap to find members if it's
10191         already built.
10192         (Archive::include_member): Skip reading symbols if already read.
10193         Factored code into Archive::get_file_and_offset and
10194         Archive::get_elf_object_for_member.  Changed call to
10195         Mapfile::report_include_archive_member.
10196         (Archive::print_stats): New function.
10197         * archive.h: Declare Object and Read_symbols_data classes.
10198         (Archive::Archive): Add initializers for new members.
10199         (Archive::setup): Add parameter.
10200         (Archive::print_stats): New function.
10201         (Archive::total_archives, Archive::total_members)
10202         (Archive::total_members_loaded): New variables.
10203         (Archive::get_file_and_offset): New function.
10204         (Archive::get_elf_object_for_member): New function.
10205         (Archive::read_all_symbols): New function.
10206         (Archive::read_symbols): New function.
10207         (Archive::Archive_member): New class.
10208         (Archive::members_): New member.
10209         (Archive::num_members_): New member.
10210         * main.cc: Include archive.h.
10211         (main): Call Archive::print_stats.
10212         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10213         archive parameter; member_name is now the fully-decorated name.
10214         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10215         * options.h: (General_options): Add --preread-archive-symbols option.
10216         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10217         Archive::setup.
10218
10219 2008-08-04  Ian Lance Taylor  <iant@google.com>
10220
10221         * symtab.h (Symbol::use_plt_offset): New function.
10222         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10223         * powerpc.cc (Relocate::relocate): Likewise.
10224         * sparc.cc (Relocate::relocate): Likewise.
10225         * x86_64.cc (Relocate::relocate): Likewise.
10226         * testsuite/weak_plt.sh: New test.
10227         * testsuite/weak_plt_main.cc: New test.
10228         * testsuite/weak_plt_shared.cc: New test.
10229         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10230         (check_PROGRAMS): Add weak_plt.
10231         (check_DATA): Add weak_plt_shared.so.
10232         (weak_plt_main_pic.o, weak_plt): New targets.
10233         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10234         * testsuite/Makefile.in: Rebuild.
10235
10236         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10237         gcctestdir/ld.
10238         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10239         * testsuite/Makefile.in: Rebuild.
10240
10241 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10242
10243         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10244         * Makefile.in: Regenerate.
10245         * po/POTFILES.in: Regenerate.
10246
10247 2008-07-29  Ian Lance Taylor  <iant@google.com>
10248
10249         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10250         symbols before other symbols.
10251         * testsuite/script_test_2.cc (test_addr): Declare.
10252         (test_addr_alias): Declare.
10253         (main): Check that test_addr and test_addr_alias have the right
10254         values.
10255         * testsuite/script_test_2.t: Define test_addr_alias and
10256         test_addr.
10257
10258 2008-07-24  Ian Lance Taylor  <iant@google.com>
10259
10260         PR 5990
10261         * descriptors.cc: New file.
10262         * descriptors.h: New file.
10263         * gold-threads.h (class Hold_optional_lock): New class.
10264         * fileread.cc: Include "descriptors.h".
10265         (File_read::~File_read): Release descriptor rather than closing
10266         it.
10267         (File_read::open) [file]: Call open_descriptor rather than open.
10268         Set is_descriptor_opened_.
10269         (File_read::open) [memory]: Assert that descriptor is not open.
10270         (File_read::reopen_descriptor): New function.
10271         (File_read::release): Release descriptor.
10272         (File_read::do_read): Make non-const.  Reopen descriptor.
10273         (File_read::read): Make non-const.
10274         (File_read::make_view): Reopen descriptor.
10275         (File_read::do_readv): Likewise.
10276         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10277         Update declarations.
10278         * layout.cc: Include "descriptors.h".
10279         (Layout::create_build_id): Use open_descriptor rather than open.
10280         * output.cc: Include "descriptors.h".
10281         (Output_file::open): Use open_descriptor rather than open.
10282         * archive.cc (Archive::const_iterator): Change Archive to be
10283         non-const.
10284         (Archive::begin, Archive::end): Make non-const.
10285         (Archive::count_members): Likewise.
10286         * archive.h (class Archive): Update declarations.
10287         * object.h (Object::read): Make non-const.
10288         * Makefile.am (CCFILES): Add descriptors.cc.
10289         (HFILES): Add descriptors.h.
10290         * Makefile.in: Rebuild.
10291
10292         PR 6716
10293         * gold.h: Always include <clocale>.  Add Solaris workarounds
10294         following code in binutils/sysdep.h.
10295
10296         PR 6048
10297         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10298         this->eh_frame_hdr_ is NULL before using it.
10299
10300         * dynobj.cc (Versions::Versions): Update comment.
10301
10302         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10303         the base version name.
10304
10305         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10306         array size plus one.
10307         (Stringpool_template::set_string_offsets): Subtract one from key
10308         before using it as an array index.
10309         (Stringpool_template::get_offset_with_length): Likewise.
10310         (Stringpool_template::write_to_buffer): Likewise.
10311         * stringpool.h (Stringpool_template::get_offset_from_key):
10312         Likewise.
10313
10314 2008-07-23  Ian Lance Taylor  <iant@google.com>
10315
10316         PR 6658
10317         * object.h (Merged_symbol_value::value): Do our best to handle a
10318         negative addend.
10319
10320         PR 6647
10321         * script.cc (Version_script_info::get_versions): Don't add empty
10322         version tag to return value.
10323         (Version_script_info::get_symbol_version_helper): Change return
10324         type to bool.  Add pversion parameter.  Change all callers.
10325         (script_register_vers_node): Don't require a non-NULL tag.
10326         * script.h (class Version_script_info): Update declarations.
10327         (Version_script_info::get_symbol_version): Change return type to
10328         bool.  Add version parameter.  Change all callers.
10329         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10330         handling.  Handle an empty version from a version script.
10331         (Symbol_table::define_special_symbol): Likewise.
10332         * testsuite/ver_test_10.script: New file.
10333         * testsuite/ver_test_10.sh: New file.
10334         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10335         (check_DATA): Add ver_test_10.syms.
10336         (ver_test_10.syms, ver_test_10.so): New target.
10337         * testsuite/Makefile.in: Rebuild.
10338
10339 2008-07-23  Simon Baldwin  <simonb@google.com>
10340
10341         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10342         to zero for undefined symbols from dynamic libraries.
10343
10344 2008-07-23  Ian Lance Taylor  <iant@google.com>
10345
10346         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10347         Change all callers.
10348         * symtab.h (class Symbol_table): Update declaration.
10349         * testsuite/ver_test_9.cc: New file.
10350         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10351         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10352         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10353         (ver_test_9.so, ver_test_9.o): New targets.
10354         * testsuite/Makefile.in: Rebuild.
10355
10356 2008-07-22  Ian Lance Taylor  <iant@google.com>
10357
10358         * options.h (class General_options): Define --check-sections.
10359         * layout.cc (Layout::set_segment_offsets): Handle
10360         --check-sections.
10361
10362         * options.h (class General_options): Define -n/--nmagic and
10363         -N/--omagic.
10364         * options.cc (General_options::finalize): For -n/--nmagic or
10365         -N/--omagic, set -static.
10366         * layout.cc (Layout::attach_allocated_section_to_segment): If
10367         -N/--omagic, don't put read-only and read-write sections in
10368         different segments.
10369         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10370         finding a read-only segment.
10371         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10372         don't set the minimum segment alignment to the common page size,
10373         and don't set the file offset to the address modulo the page size.
10374         * script-sections.cc (Script_sections::create_segments): If
10375         -n/--omagic, don't put read-only and read-write sections in
10376         different segments.
10377
10378         * cref.cc: New file.
10379         * cref.h: New file.
10380         * options.h (class General_options): Add --print-symbol-counts.
10381         * main.cc (main): Issue defined symbol report if requested.
10382         * archive.cc (Archive::interpret_header): Make into a const member
10383         function.
10384         (Archive::add_symbols): Call Input_objects::archive_start and
10385         archive_stop.
10386         (Archive::const_iterator): Define new class.
10387         (Archive::begin, Archive::end): New functions.
10388         (Archive::include_all_members): Rewrite to use iterator.
10389         (Archive::count_members): New function.
10390         * archive.h (class Archive): Update declarations.
10391         (Archive::filename): New function.
10392         * object.cc: Include "cref.h".
10393         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10394         (Sized_relobj::do_get_global_symbol_counts): New function.
10395         (Input_objects::add_object): Add object to cross-referencer.
10396         (Input_objects::archive_start): New function.
10397         (Input_objects::archive_stop): New function.
10398         (Input_objects::print_symbol_counts): New function.
10399         * object.h: Declare Cref and Archive.
10400         (Object::get_global_symbol_counts): New function.
10401         (Object::do_get_global_symbol_counts): New pure virtual function.
10402         (class Sized_relobj): Add defined_count_ field.  Update
10403         declarations.
10404         (class Input_objects): Add cref_ field.  Update constructor.
10405         Update declarations.
10406         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10407         defined_count_.
10408         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10409         symbol counts.
10410         (Sized_dynobj::do_get_global_symbol_counts): New function.
10411         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10412         defined_count_.  Update declarations.  Define Symbols typedef.
10413         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10414         parameter.  Change all callers.
10415         (Symbol_table::add_from_dynobj): Add sympointers and defined
10416         parameters.  Change all callers.
10417         * symtab.h (class Symbol_table): Update declarations.
10418         * Makefile.am (CCFILES): Add cref.cc.
10419         (HFILES): Add cref.h.
10420         * Makefile.in: Rebuild.
10421
10422 2008-07-22  Simon Baldwin  <simonb@google.com>
10423
10424         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10425         to zero when writing undefined symbols.
10426
10427 2008-07-22  Ian Lance Taylor  <iant@google.com>
10428
10429         * output.cc (Output_section::add_input_section): Don't try to
10430         merge empty merge sections.
10431
10432 2008-07-21  Craig Silverstein  <csilvers@google.com>
10433
10434         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10435         Include symbol version in error message.
10436
10437 2008-07-20  Chris Demetriou  <cgd@google.com>
10438
10439         * configure.ac (gold_cv_c_random_seed): New configured variable.
10440         (RANDOM_SEED_CFLAGS): New substituted variable.
10441         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10442         * configure: Rebuild.
10443         * Makefile.in: Likewise.
10444         * testsuite/Makefile.in: Likewise.
10445
10446 2008-07-18  Ian Lance Taylor  <iant@google.com>
10447
10448         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10449         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10450         * testsuite/ver_test_main.cc (main): Call t4.
10451         (t4, t4_2a): Define.
10452         * testsuite/ver_test_2.cc (t4_2): Define.
10453         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10454         * testsuite/ver_test_4.cc (t4_2a): Define.
10455         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10456         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10457
10458 2008-07-17  Ian Lance Taylor  <iant@google.com>
10459
10460         * dynobj.cc (Versions::add_def): If we give an error about a
10461         missing version, go ahead and create the version anyhow.
10462
10463 2008-07-10  Ian Lance Taylor  <iant@google.com>
10464
10465         Handle output sections with more than 0x7fffffff bytes.
10466         * object.h (class Relobj): Change map_to_output_ to
10467         output_sections_, and just keep a section pointer.  Change all
10468         uses.  Move comdat group support to Sized_relobj.
10469         (Relobj::is_section_specially_mapped): Remove.
10470         (Relobj::output_section): Remove poff parameter.  Change all
10471         callers.
10472         (Relobj::output_section_offset): New function.
10473         (Relobj::set_section_offset): Rewrite.
10474         (Relobj::map_to_output): Remove.
10475         (Relobj::output_sections): New function.
10476         (Relobj::do_output_section_offset): New pure virtual function.
10477         (Relobj::do_set_section_offset): Likewise.
10478         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10479         group support from Relobj.  Update declarations.
10480         (Sized_relobj::get_output_section_offset): New function.
10481         (Sized_relobj::do_output_section_offset): New function.
10482         (Sized_relobj::do_set_section_offset): New function.
10483         * object.cc (Relobj::output_section_address): Remove.
10484         (Sized_relobj::Sized_relobj): Initialize new fields.
10485         (Sized_relobj::include_section_group): Cast find_kept_object to
10486         Sized_relobj.
10487         (Sized_relobj::include_linkonce_section): Likewise.
10488         (Sized_relobj::do_layout): Use separate arrays for output section
10489         and output offset.
10490         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10491         output_sections.
10492         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10493         output_sections and section_offsets.
10494         (Sized_relobj::write_local_symbols): Likewise.
10495         (map_to_kept_section): Compute output address directly.
10496         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10497         output_sections and section_offsets.
10498         (Sized_relobj::write_sections): Likewise.
10499         (Sized_relobj::relocate_sections): Likewise.
10500         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10501         * output.h (class Output_reloc): Update declarations.  Change
10502         u2_.relobj to Sized_relobj*.
10503         (class Output_data_reloc): Change add functions to use
10504         Sized_relobj*.
10505         * output.cc (Output_reloc::Output_reloc): Change relobj to
10506         Sized_relobj*.
10507         (Output_reloc::local_section_offset): Change return type to
10508         Elf_Addr.  Use get_output_section_offset.
10509         (Output_reloc::get_address): Likewise.
10510         (Output_section::is_input_address_mapped): Don't call
10511         is_section_specially_mapped.
10512         (Output_section::output_offset): Likewise.
10513         (Output_section::output_address): Likewise.
10514         (Output_section::starting_output_address): Likewise.
10515         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10516         parameter to Sized_relobj*.
10517         (Copy_relocs::need_copy_reloc): Likewise.
10518         (Copy_relocs::save): Likewise.
10519         * copy-relocs.h (class Copy_relocs): Update declarations.
10520         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10521         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10522         * target-reloc.h (relocate_for_relocatable): Change
10523         offset_in_output_section type to Elf_Addr.  Change code that uses
10524         it as well.
10525         * layout.cc (Layout::layout): Always set *off.
10526         * mapfile.cc (Mapfile::print_input_section): Use
10527         output_section_offset.
10528         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10529         Sized_relobj*.
10530         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10531         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10532         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10533
10534 2008-07-03  Ian Lance Taylor  <iant@google.com>
10535
10536         * layout.cc (Layout::include_section): Do not discard unrecognized
10537         SHT_STRTAB sections.
10538
10539 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10540
10541         * script.cc (Lex::can_continue_name): Make '?' allowable in
10542         version-script names.
10543         * testsuite/version_script.map: Change glob pattern to use '?'
10544
10545 2008-06-30  Manish Singh  <yosh@gimp.org>
10546
10547         PR 6585
10548         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10549         Correct typo.
10550
10551 2008-06-30  Ian Lance Taylor  <iant@google.com>
10552
10553         PR 6660
10554         PR 6682
10555         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10556         versions]: Don't try to read the value in the contents, since we
10557         don't use it.  Use the template endianness when writing.
10558
10559 2008-06-25  Cary Coutant  <ccoutant@google.com>
10560
10561         * fileread.cc (File_read::make_view): Assert on zero-length view.
10562         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10563         symbol table when there are no symbols to read.
10564
10565 2008-06-23  Craig Silverstein  <csilvers@google.com>
10566
10567         * version.cc (version_string): Bump to 1.7
10568
10569 2008-06-18  Craig Silverstein  <csilvers@google.com>
10570
10571         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10572         constant 0xFFFF to type Valtype.
10573         (Powerpc_relocate_functions::rel16_ha): Likewise.
10574
10575 2008-06-17  Ian Lance Taylor  <iant@google.com>
10576
10577         * output.h (Output_section::Input_section): Initialize p2align_ to
10578         zero for Output_section_data constructors.
10579         (Output_section::Input_section::addralign): If not an input
10580         section, return the alignment of the Output_section_data.
10581         * testsuite/copy_test.cc: New file.
10582         * testsuite/copy_test_1.cc: New file.
10583         * testsuite/copy_test_2.cc: New file.
10584         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10585         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10586         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10587         (copy_test_1_pic.o, copy_test_1.so): New targets.
10588         (copy_test_2_pic.o, copy_test_2.so): New targets.
10589         * testsuite/Makefile.in: Rebuild.
10590
10591         * script-sections.cc (Script_sections::place_orphan): Initialize
10592         local variable exact.
10593
10594 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10595
10596         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10597
10598 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10599             David S. Miller  <davem@davemloft.net>
10600
10601         * powerpc.cc: New file.
10602         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10603         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10604         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10605         * Makefile.in: Rebuild.
10606
10607 2008-06-09  Ian Lance Taylor  <iant@google.com>
10608
10609         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10610         <exception>.
10611         (throwing, orig_terminate): New static variables.
10612         (terminate_handler): New static function.
10613         (t2): Set terminate handler.
10614
10615 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10616
10617         PR 6584
10618         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10619         alignment.
10620
10621 2008-05-30  Cary Coutant  <ccoutant@google.com>
10622
10623         * archive.cc (Archive::include_all_members) Correct to step
10624         over symbol table and extended name table in thin archives.
10625
10626 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10627
10628         PR 6407
10629         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10630         calculation.
10631
10632 2008-05-28  Caleb Howe  <cshowe@google.com>
10633
10634         * reduced_debug_output.cc: New file.
10635         * reduced_debug_output.h: New file.
10636         * options.h (class General_options): Add --strip-debug-non-line.
10637         * options.cc (General_options::finalize): Add strip_debug_non_line
10638         to the strip heirarchy.
10639         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10640         fields.
10641         * layout.cc: Include "reduced_debug_output.h".
10642         (Layout::Layout): Initialize new fields.
10643         (line_only_debug_sections): New static array.
10644         (is_lines_only_debug_sections): New static inline function.
10645         (Layout::include_section): Handle --strip-debug-non-line.
10646         (Layout::make_output_section): If --strip-debug-non-line, build
10647         new output sections for .debug_abbrev and .debug_info.
10648         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10649         gold.  Warn about possible overflow.
10650         (read_signed_LEB_128): Likewise.
10651         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10652         (read_signed_LEB_128): Declare.
10653         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10654         (HFILES): Add reduced_debug_output.h.
10655         * Makefile.in: Rebuild.
10656
10657 2008-05-21  Ian Lance Taylor  <iant@google.com>
10658
10659         * mapfile.cc: New file.
10660         * mapfile.h: New file.
10661         * options.h (class General_options): Add -M/--print-map and -Map.
10662         * options.cc (General_options::finalize): Make -M equivalent to
10663         -Map -.
10664         * main.cc: Include <cstdio> and "mapfile.h".
10665         (main): Open mapfile if requested.
10666         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
10667         constructor.  Change caller.
10668         (queue_initial_tasks): Add mapfile parameter.  Change caller.
10669         (queue_middle_tasks): Likewise.
10670         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10671         declarations.
10672         * archive.cc: Include "mapfile.h".
10673         (Archive::add_symbols): Add mapfile parameter.  Change all
10674         callers.  Pass mapfile, symbol, and reason to include_member.
10675         (Archive::include_all_members): Add mapfile parameter.  Change all
10676         callers.
10677         (Archive::include_member): Add mapfile, sym, and why parameters.
10678         Change all callers.  Report inclusion to map file.
10679         * archive.h: Include "fileread.h".
10680         (class Archive): Update declarations.
10681         (Archive::file): New const method.
10682         (class Add_archive_symbols): Add mapfile_ field.  Update
10683         constructor.  Change all callers.
10684         * readsyms.h (class Read_symbols): Likewise.
10685         (class Finish_group): Likewise.
10686         (class Read_script): Likewise.
10687         * common.cc: Include "mapfile.h".
10688         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
10689         all callers.
10690         (Symbol_table::do_allocate_commons): Likewise.
10691         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
10692         symbol allocation to mapfile.
10693         * common.h (class Allocate_commons_task): Add mapfile_ field.
10694         Update constructor.  Change all callers.
10695         * symtab.h (class Symbol_table): Update declarations.
10696         * layout.cc: Include "mapfile.h".
10697         (Layout_task_runner::run): Print information to mapfile.
10698         (Layout::create_gold_note): Change Output_data_fixed_space to
10699         Output_data_zero_fill.
10700         (Layout::create_build_id): Likewise.
10701         (Layout::print_to_mapfile): New function.
10702         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
10703         constructor.  Change caller.
10704         (class Layout): Declare print_to_mapfile.
10705         * output.cc (Output_section::Input_section::print_to_mapfile): New
10706         function.
10707         (Output_section::add_input_section): If producing a map, always
10708         add to input_sections_ list.
10709         (Output_section::do_print_to_mapfile): New function.
10710         (Output_segment::print_sections_to_mapfile): New function.
10711         (Output_segment::print_section_list_to_mapfile): New function.
10712         * output.h: Include "mapfile.h".
10713         (Output_data::print_to_mapfile): New function.
10714         (Output_data::do_print_to_mapfile): New virtual function.
10715         (Output_segment_headers::do_print_to_mapfile): New function.
10716         (Output_file_header::do_print_to_mapfile): New function.
10717         (Output_data_const::do_print_to_mapfile): New function.
10718         (class Output_data_const_buffer): Add map_name_ field.  Update
10719         constructor.  Change all callers.  Add do_print_to_mapfile
10720         function.
10721         (class Output_data_fixed_space): Likewise.
10722         (class Output_data_space): Likewise.
10723         (class Output_data_zero_fill): New class.
10724         (Output_data_strtab::do_print_to_mapfile): New function.
10725         (Output_data_reloc_base::do_print_to_mapfile): New function.
10726         (Output_relocatable_relocs::do_print_to_mapfile): New function.
10727         (Output_data_group::do_print_to_mapfile): New function.
10728         (Output_data_got::do_print_to_mapfile): New function.
10729         (Output_data_dynamic::do_print_to_mapfile): New function.
10730         (Output_symtab_xindex::do_print_to_mapfile): New function.
10731         (class Output_section): Declare do_print_to_mapflie.  Declare
10732         print_to_mapfile in Input_section.
10733         (class Output_segment): Declare new functions.
10734         * object.h (Sized_relobj::symbol_count): New function.
10735         * script-sections.cc
10736         (Output_section_element_dot_assignment::set_section_addresses):
10737         Change Output_data_fixed_space to Output_data_zero_fill.
10738         (Output_data_expression::do_print_to_mapfile): New function.
10739         * script.cc (read_input_script): Add mapfile parameter.  Change
10740         all callers.
10741         * script.h (read_input_script): Update declaration.
10742         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10743         (Eh_frame::do_print_to_mapfile): New function.
10744         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10745         (Output_merge_string::do_print_to_mapfile): New function.
10746         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10747         function.
10748         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10749         function.
10750         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10751         function.
10752         * Makefile.am (CCFILES): Add mapfile.cc.
10753         (HFILES): Add mapfile.h.
10754         * Makefile.in: Rebuild.
10755
10756 2008-05-19  Ian Lance Taylor  <iant@google.com>
10757
10758         * options.h (class General_options): Add -z relro.
10759         * layout.cc (Layout::Layout): Initialize relro_segment_.
10760         (Layout::add_output_section_data): Return the output section.
10761         (Layout::make_output_section): Rcognize relro sections and mark
10762         them appropriately.
10763         (Layout::attach_allocated_section_to_segment): Put relro sections
10764         in a PT_GNU_RELRO segment.
10765         (Layout::create_initial_dynamic_sections): Mark the .dynamic
10766         section as relro.
10767         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10768         PT_TLS segments.
10769         (Layout::linkonce_mapping): Map d.rel.ro.local to
10770         .data.rel.ro.local.
10771         (Layout::output_section_name): Us .data.rel.ro.local for any
10772         section which begins with that.
10773         * layout.h (class Layout): Update add_output_section_data
10774         declaration.  Add relro_segment_ field.
10775         * output.cc (Output_section::Output_section): Initialize is_relro_
10776         and is_relro_local_ fields.
10777         (Output_segment::add_output_section): Group relro sections.
10778         (Output_segment::is_first_section_relro): New function.
10779         (Output_segment::maximum_alignment): If there is a relro section,
10780         align the segment to the common page size.
10781         (Output_segment::set_section_addresses): Track whether we are
10782         looking at relro sections.  If the last section is a relro
10783         section, align to the common page size.
10784         (Output_segment::set_section_list_addresses): Add in_relro
10785         parameter.  Change all callers.  Align to the page size when
10786         moving from relro to non-relro section.
10787         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10788         segment.
10789         * output.h (class Output_section): Add is_relro_ and
10790         is_relro_local_ fields.
10791         (Output_section::is_relro): New function.
10792         (Output_section::set_is_relro): New function.
10793         (Output_section::is_relro_local): New function.
10794         (Output_section::set_is_relro_local): New function.
10795         (class Output_segment): Update declarations.
10796         * i386.cc (Target_i386::got_section): Mark .got section as relro.
10797         * sparc.cc (Target_sparc::got_section): Likewise.
10798         * x86_64.cc (Target_x86_64::got_section): Likewise.
10799         * testsuite/relro_test_main.cc: New file.
10800         * testsuite/relro_test.cc: New file.
10801         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10802         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10803         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10804         (relro_test.so, relro_test_pic.o): New targets.
10805         * testsuite/Makefile.in: Rebuild.
10806
10807 2008-05-16  Ian Lance Taylor  <iant@google.com>
10808
10809         * output.cc (Output_segment::add_output_section): Remove front
10810         parameter.
10811         * output.h (class Output_segment): Remove
10812         add_initial_output_section and overloaded add_output_section.
10813         Update declaration of remaining add_output_section.
10814         * layout.cc (Layout::create_interp): Call add_output_section
10815         rather than add_initial_output_section.
10816         (Layout::finish_dynamic_section): Likewise.
10817
10818         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10819         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
10820         know the dynamic type.
10821         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10822         field.  Initialize it in constructor.
10823         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10824         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10825         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10826         reloc.
10827
10828         * output.cc (Output_reloc::get_address): Change return type to
10829         Elf_Addr.
10830         * output.h (class Output_reloc): Update get_address declaration.
10831         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10832         for section addresses.
10833
10834 2008-05-09  Ian Lance Taylor  <iant@google.com>
10835
10836         PR 6493
10837         * gold.cc (gold_nomem): Use return value of write.
10838
10839 2008-05-08  Ian Lance Taylor  <iant@google.com>
10840
10841         * symtab.c (Symbol::init_base_output_data): Add version
10842         parameter.  Change all callers.
10843         (Symbol::init_base_output_segment): Likewise.
10844         (Symbol::init_base_constant): Likewise.
10845         (Symbol::init_base_undefined): Likewise.
10846         (Sized_symbol::init_output_data): Likewise.
10847         (Sized_symbol::init_output_segment): Likewise.
10848         (Sized_symbol::init_constant): Likewise.
10849         (Sized_symbol::init_undefined): Likewise.
10850         (Symbol_table::do_define_in_output_data): If the new symbol has a
10851         version, mark it as the default.
10852         (Symbol_table::do_define_in_output_segment): Likewise.
10853         (Symbol_table::do_define_as_constant): Likewise.
10854         * symtab.h (class Symbol): Update declarations.
10855         (class Sized_symbol): Likewise.
10856         * resolve.cc (Symbol::override_version): New function.
10857         (Symbol::override_base): Call override_version.
10858         (Symbol::override_base_with_special): Likewise.
10859         * testsuite/ver_script_8.script: New file.
10860         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10861         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10862         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10863         (ver_test_8_1.so, ver_test_8_2.so): New targets.
10864
10865 2008-05-06  Ian Lance Taylor  <iant@google.com>
10866
10867         PR 6049
10868         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10869         functions.
10870         (class General_options): Remove existing --undefined, and add
10871         --no-undefined instead.  Add new --undefined as synonym for -u.
10872         * archive.cc (Archive::add_symbols): Check whether symbol was
10873         named with -u.
10874         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10875         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10876         all uses.  Add IS_UNDEFINED.  Update declarations to split
10877         different versions of init_base.  Declare init_base_undefined.
10878         (Symbol::is_defined): Handle IS_UNDEFINED.
10879         (Symbol::is_undefined): Likewise.
10880         (Symbol::is_weak_undefined): Call is_undefined.
10881         (Symbol::is_absolute): Handle IS_CONSTANT.
10882         (class Sized_symbol): Update declarations to split different
10883         versions of init.  Declare init_undefined.
10884         (class Symbol_table): Declare new functions.
10885         * symtab.cc (Symbol::init_base_object): Rename from init_base.
10886         Change all callers.
10887         (Symbol::init_base_output_data): Likewise.
10888         (Symbol::init_base_output_segment): Likewise.
10889         (Symbol::init_base_constant): Likewise.
10890         (Symbol::init_base_undefined): New function.
10891         (Sized_symbol::init_object): Rename from init.  Change all
10892         callers.
10893         (Sized_symbol::init_output_data): Likewise.
10894         (Sized_symbol::init_output_segment): Likewise.
10895         (Sized_symbol::init_constant): Likewise.
10896         (Sized_symbol::init_undefined): New function.
10897         (Symbol_table::add_undefined_symbols_from_command_line): New
10898         function.
10899         (Symbol_table::do_add_undefined_symbols_from_command_line): New
10900         function.
10901         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10902         (Symbol::output_section): Likewise.
10903         (Symbol::set_output_section): Likewise.
10904         (Symbol_table::sized_finalize_symbol): Likewise.
10905         (Symbol_table::sized_write_globals): Likewise.
10906         * resolve.cc (Symbol_table::should_override): Likewise.
10907         (Symbol::override_base_with_special): Likewise.
10908
10909         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10910         symbol, change it to have default visibility.
10911         * testsuite/protected_1.cc: New file.
10912         * testsuite/protected_2.cc: New file.
10913         * testsuite/protected_3.cc: New file.
10914         * testsuite/protected_main_1.cc: New file.
10915         * testsuite/protected_main_2.cc: New file.
10916         * testsuite/protected_main_3.cc: New file.
10917         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10918         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10919         (protected_1_LDFLAGS, protected_1_LDADD): Define.
10920         (protected_1.so): New target.
10921         (protected_1_pic.o, protected_2_pic.o): New targets.
10922         (protected_3_pic.o): New target.
10923         (check_PROGRAMS): Add protected_2.
10924         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10925         (protected_2_LDFLAGS, protected_2_LDADD): Define.
10926         * testsuite/Makefile.in: Rebuild.
10927
10928         * options.h (DEFINE_var): Add set_user_set_##varname__.
10929         (DEFINE_bool_alias): New macro.
10930         (class General_options): Define -Bstatic using DEFINE_bool_alias
10931         rather than DEFINE_special.  Add --undefined as an alias for -z
10932         defs.
10933         * options.cc (General_options::parse_Bstatic): Remove.
10934
10935         * options.h (class General_options): Add --fatal-warnings.
10936         * main.cc (main): Implement --fatal-warnings.
10937         * errors.h (Errors::warning_count): New function.
10938
10939         * options.h (class General_options): Add -Bsymbolic-functions.
10940         * symtab.h (Symbol::is_preemptible): Check for
10941         -Bsymbolic-functions.
10942
10943 2008-05-05  Ian Lance Taylor  <iant@google.com>
10944
10945         * options.h (DEFINE_bool): For DASH_Z, create the negative option
10946         as noVARNAME rather than no-VARNAME.
10947         (class General_options): Add option -z combreloc.
10948         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10949         get_address.
10950         (Output_reloc::sort_before) [SHT_REL]: New function.
10951         (Output_reloc::sort_before) [SHT_RELA]: New function.
10952         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
10953         Sort_relocs_comparison.
10954         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10955         parameter.  Change all callers.
10956         (Output_data_reloc::Output_data_reloc) [both versions]: Add
10957         sort_relocs parameter.  Change all callers.
10958         * output.cc (Output_reloc::get_address): New function, broken out
10959         of write_rel.
10960         (Output_reloc::write_rel): Call it.
10961         (Output_reloc::compare): New function.
10962         (Output_data_reloc_base::do_write): Optionally sort relocs.
10963
10964         * configure.ac: If targ_extra_obj is set, link it in.
10965         * configure.tgt: Initialize all variables.
10966         (x86_64*): Set targ_extra_obj and targ_extra_size.
10967         * configure: Rebuild.
10968
10969         * object.cc (Sized_relobj::include_section_group): Adjust section
10970         indexes read from group data.  Build vector to pass to
10971         layout_group.
10972         * layout.cc (Layout::layout_group): Add flags and shndxes
10973         parameters.  Remove contents parameter.  Change caller.  Update
10974         explicit instantiations.
10975         * layout.h (class Layout): Update layout_group declaration.
10976         * output.cc (Output_data_group::Output_data_group): Add flags and
10977         input_shndxes parameters.  Remove contents parameter.  Change
10978         caller.
10979         (Output_data_group::do_write): Change input_sections_ to
10980         input_shndxes_.
10981         * output.h (class Output_data_group): Update constructor
10982         declaration.  Rename input_sections_ to input_shndxes_.
10983         * testsuite/many_sections_test.cc: Add template.
10984
10985 2008-04-30  Cary Coutant  <ccoutant@google.com>
10986
10987         * target-reloc.h (relocate_section): Fix dead-pointer bug.
10988
10989         * layout.cc (Layout::include_section): Refactored check for debug
10990         info section.
10991         (Layout::add_comdat): Add new parameters.  Change type
10992         of signature parameter.  Add object and shndx to signatures table.
10993         (Layout::find_kept_object): New function.
10994         * layout.h: Include <cstring>.
10995         (Layout::is_debug_info_section): New function.
10996         (Layout::add_comdat): Add new parameters.
10997         (Layout::find_kept_object): New function.
10998         (Layout::Kept_section): New struct.
10999         (Layout::Signatures): Change type of map range.
11000         * object.cc (Relobj::output_section_address): New function.
11001         (Sized_relobj::include_section_group): Add new parameters.  Change
11002         calls to Layout::add_comdat.  Change to build table of kept comdat
11003         groups and table mapping discarded sections to kept sections.
11004         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11005         (Sized_relobj::do_layout): Change calls to include_section_group and
11006         include_linkonce_section.
11007         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11008         value to zero when section is discarded.
11009         (Sized_relobj::map_to_kept_section): New function.
11010         * object.h (Relobj::output_section_address): New function.
11011         (Relobj::Comdat_group): New type.
11012         (Relobj::find_comdat_group): New function.
11013         (Relobj::Comdat_group_table): New type.
11014         (Relobj::Kept_comdat_section): New type.
11015         (Relobj::Kept_comdat_section_table): New type.
11016         (Relobj::add_comdat_group): New function.
11017         (Relobj::set_kept_comdat_section): New function.
11018         (Relobj::get_kept_comdat_section): New function.
11019         (Relobj::comdat_groups_): New field.
11020         (Relobj::kept_comdat_sections_): New field.
11021         (Symbol_value::input_value): Update comment.
11022         (Sized_relobj::map_to_kept_section) New function.
11023         (Sized_relobj::include_linkonce_section): Add new parameter.
11024         * target-reloc.h (Comdat_behavior): New type.
11025         (get_comdat_behavior): New function.
11026         (relocate_section): Add code to map a discarded section to the
11027         corresponding kept section when applying a relocation.
11028
11029 2008-04-30  Craig Silverstein  <csilvers@google.com>
11030
11031         * dwarf_reader.cc (next_generation_count): New static var.
11032         (Addr2line_cache_entry): New struct.
11033         (addr2line_cache): New static var.
11034         (Dwarf_line_info::one_addr2line): Added caching.
11035         (Dwarf_line_info::clear_addr2line_cache): New function.
11036         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11037         cache-size parameter.
11038         (Dwarf_line_info::one_addr2line_cache): New function.
11039         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11040         new cache-size argument to one_addr2line(), and clear cache.
11041
11042 2008-04-28  Cary Coutant  <ccoutant@google.com>
11043
11044         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11045         R_386_PC8 relocations.
11046
11047 2008-04-23  Ian Lance Taylor  <iant@google.com>
11048
11049         * object.cc (Sized_relobj::include_section_group): Check for
11050         invalid section group.
11051
11052         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11053         header size.
11054
11055         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11056         than read for file header.
11057         * archive.cc (Archive::include_member): Likewise.
11058
11059 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11060
11061         * aclocal.m4: Regenerate.
11062         * configure: Regenerate.
11063
11064 2008-04-19  Ian Lance Taylor  <iant@google.com>
11065
11066         * version.cc (version_string): Bump to 1.6.
11067
11068         * testsuite/Makefile.am (many_sections_r_test): New target.
11069         (many_sections_r_test_SOURCES): Remove.
11070         (many_sections_r_test_DEPENDENCIES): Remove.
11071         (many_sections_r_test_LDFLAGS): Remove.
11072         (many_sections_r_test_LDADD): Remove.
11073
11074         * object.cc (Sized_relobj::do_add_symbols): Always pass
11075         local_symbol_count_ to add_from_relobj.
11076
11077         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11078         every thousand variables.
11079         * testsuite/Makefile.in: Rebuild.
11080
11081         * object.cc (Xindex::initialize_symtab_xindex): New function.
11082         (Xindex::read_symtab_xindex): New function.
11083         (Xindex::sym_xindex_to_shndx): New function.
11084         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11085         available.
11086         (Sized_relobj::do_initialize_xindex): New function.
11087         (Sized_relobj::do_read_symbols): Adjust section links.
11088         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11089         parameter.  Change all callers.
11090         (Sized_relobj::include_section_group): Adjust section links and
11091         symbol section indexes.
11092         (Sized_relobj::do_layout): Adjust section links.
11093         (Sized_relobj::do_count_local_symbols): Adjust section links and
11094         symbol section indexes.
11095         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11096         ordinary and special symbols.
11097         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11098         dynsym_xindex parameters.  Change all callers.  Adjust section
11099         links.  Use SHN_XINDEX when needed.
11100         (Sized_relobj::get_symbol_location_info): Adjust section links.
11101         Don't get fooled by special symbols.
11102         * object.h (class Xindex): Define.
11103         (class Object): Add xindex_ parameter.  Declare virtual functoin
11104         do_initialize_xindex.
11105         (Object::adjust_sym_shndx): New function.
11106         (Object::set_xindex): New protected function.
11107         (class Symbol_value): Add is_ordinary_shndx_ field.
11108         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11109         (Symbol_value::value): Assert ordinary section.
11110         (Symbol_value::initialize_input_to_output_map): Likewise.
11111         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11112         Change all callers.
11113         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11114         all callers.
11115         (class Sized_relobj): Update declarations.
11116         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11117         parameter.  Change all callers.
11118         (Sized_relobj::adjust_shndx): New function.
11119         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11120         field.
11121         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11122         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11123         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11124         (Sized_dynobj::read_dynsym_section): Adjust section links.
11125         (Sized_dynobj::read_dynamic): Likewise.
11126         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11127         section links.
11128         (Sized_dynobj::do_initialize_xindex): New function.
11129         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11130         do_initialize_xindex.
11131         (Sized_dynobj::adjust_shndx): New function.
11132         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11133         dynsym_xindex_ fields.
11134         (Layout::finalize): Add a call to set_section_indexes before
11135         creating the symtab sections.
11136         (Layout::set_section_indexes): Don't do anything if the section
11137         already has a section index.
11138         (Layout::create_symtab_sections): Add shnum parameter.  Change
11139         caller.  Create .symtab_shndx section if needed.
11140         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11141         caller.
11142         (Layout::allocated_output_section_count): New function.
11143         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11144         needed.
11145         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11146         fields.  Update declarations.
11147         (Layout::symtab_xindex): New function.
11148         (Layout::dynsym_xindex): New function.
11149         (class Write_symbols_task): Add layout_ field.
11150         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11151         Change caller.
11152         * output.cc (Output_section_headers::Output_section_headers): Add
11153         shstrtab_section parameter.  Change all callers.
11154         (Output_section_headers::do_sized_write): Store overflow values
11155         for section count and section string table section index in
11156         section header zero.
11157         (Output_file_header::do_sized_write): Check for overflow of
11158         section count and section string table section index.
11159         (Output_symtab_xindex::do_write): New function.
11160         (Output_symtab_xindex::endian_do_write): New function.
11161         * output.h (class Output_section_headers): Add shstrtab_section_.
11162         Update declarations.
11163         (class Output_symtab_xindex): Define.
11164         (Output_section::has_out_shndx): New function.
11165         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11166         field.
11167         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11168         Change all callers.
11169         (Sized_symbol::init): Likewise.
11170         (Symbol::output_section): Check for ordinary symbol.
11171         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11172         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11173         callers.
11174         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11175         Change all callers.  Simplify handling of symbols from sections
11176         not included in the link.
11177         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11178         distinction.
11179         (Weak_alias_sorter::operator()): Assert that symbols are
11180         ordinary.
11181         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11182         distinction.
11183         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11184         parameters.  Change all callers.
11185         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11186         symbol distinction.  Use SHN_XINDEX when needed.
11187         (Symbol_table::write_section_symbol): Add symtab_xindex
11188         parameter.  Change all callers.
11189         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11190         SHN_XINDEX when needed.
11191         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11192         declarations.
11193         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11194         (Symbol::is_defined): Check is_ordinary.
11195         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11196         (Symbol::is_absolute, Symbol::is_common): Likewise.
11197         (class Sized_symbol): Update declarations.
11198         (class Symbol_table): Update declarations.
11199         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11200         parameters.  Change all callers.
11201         (Sized_symbol::override): Likewise.
11202         (Symbol_table::override): Likewise.
11203         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11204         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11205         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11206         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11207         to be in an ordinary section.
11208         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11209         object and is_ordinary parameters.  Change all callers.
11210         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11211         Change all callers.  Don't add undefined or non-ordinary symbols
11212         to reloc_map_.
11213         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11214         Change all callers.
11215         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11216         declarations.
11217         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11218         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11219         (Sized_relobj::relocate_sections): Likewise.
11220         * target-reloc.h (scan_relocs): Adjust section symbol index.
11221         (scan_relocatable_relocs): Likewise.
11222         * i386.cc (Scan::local): Check for ordinary symbols.
11223         * sparc.cc (Scan::local): Likewise.
11224         * x86_64.cc (Scan::local): Likewise.
11225         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11226         to symbol_section_and_value.
11227         * testsuite/many_sections_test.cc: New file.
11228         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11229         (check_PROGRAMS): Add many_sections_test.
11230         (many_sections_test_SOURCES): Define.
11231         (many_sections_test_DEPENDENCIES): Define.
11232         (many_sections_test_LDFLAGS): Define.
11233         (BUILT_SOURCES): Add many_sections_define.h.
11234         (many_sections_define.h): New target.
11235         (BUILT_SOURCES): Add many_sections_check.h.
11236         (many_sections_check.h): New target.
11237         (check_PROGRAMS): Add many_sections_r_test.
11238         (many_sections_r_test_SOURCES): Define.
11239         (many_sections_r_test_DEPENDENCIES): Define.
11240         (many_sections_r_test_LDFLAGS): Define.
11241         (many_sections_r_test_LDADD): Define.
11242         (many_sections_r_test.o): New target.
11243         * testsuite/Makefile.in: Rebuild.
11244
11245 2008-04-17  Cary Coutant  <ccoutant@google.com>
11246
11247         * errors.cc (Errors::info): New function.
11248         (gold_info): New function.
11249         * errors.h (Errors::info): New function.
11250         * gold.h (gold_info): New function.
11251         * object.cc (Input_objects::add_object): Print trace output.
11252         * options.cc (options::parse_set): New function.
11253         (General_options::parse_wrap): Deleted.
11254         (General_options::General_options): Deleted initializer.
11255         * options.h (options::String_set): New typedef.
11256         (options::parse_set): New function.
11257         (DEFINE_set): New macro.
11258         (General_options::wrap): Changed to use DEFINE_set. Changed
11259         callers of any_wrap_symbols and is_wrap_symbol.
11260         (General_options::trace, General_options::trace_symbol):
11261         New options.
11262         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11263         (General_options::wrap_symbols_): Deleted.
11264         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11265
11266 2008-04-17  David S. Miller  <davem@davemloft.net>
11267
11268         * options.cc (General_options::parse_V): New function.
11269         * options.h: Add entries for -V and -Qy.
11270
11271 2008-04-17  Ian Lance Taylor  <iant@google.com>
11272
11273         * common.cc (Symbol_table::allocate_commons): Remove options
11274         parameter.  Change caller.
11275         (Symbol_table::do_allocate_commons): Remove options parameter.
11276         Change caller.  Just call do_allocate_commons_list twice.
11277         (Symbol_table::do_allocate_commons_list): New function, broken out
11278         of do_allocate_commons.
11279         * common.h (class Allocate_commons_task): Remove options_ field.
11280         Update constructor.
11281         * symtab.cc (Symbol_table::Symbol_table): Initialize
11282         tls_commons_.
11283         (Symbol_table::add_from_object): Put TLS common symbols on
11284         tls_commons_ list.
11285         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11286         which are IN_OUTPUT_DATA.
11287         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11288         allocate_commons and do_allocate_commons declarations.  Declare
11289         do_allocate_commons_list.
11290         * gold.cc (queue_middle_tasks): Update creation of
11291         Allocate_commons_task to not pass options.
11292         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11293         (TLS_TEST_C_FLAGS): New variable.
11294         (tls_test_c_pic.o): New target.
11295         (tls_test_shared.so): Link in tls_test_c_pic.o.
11296         (tls_test_c_pic_ie.o): New target.
11297         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11298         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11299         (tls_test_c.o): New target.
11300         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11301         (tls_pic_test_LDADD): Likewise.
11302         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11303         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11304         (tls_test_c_gnu2.o): New target.
11305         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11306         tls_test_c_gnu2.o.
11307         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11308         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11309         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11310         * testsuite/tls_test.cc: Include "config.h".
11311         (t_last): Call t11_last.
11312         * testsuite/tls_test.h (t11, t11_last): Declare.
11313         * testsuite/tls_test_c.c: New file.
11314         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11315         * configure.ac: Check for OpenMP support.
11316         * configure, config.in, Makefile.in: Rebuild.
11317         * testsuite/Makefile.in: Rebuild.
11318
11319 2008-04-16  Cary Coutant  <ccoutant@google.com>
11320
11321         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11322         (Target_i386::tls_base_symbol_defined_): New field.
11323         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11324         (Target_i386::Scan::global): Likewise.
11325         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11326         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11327         (Target_x86_64::tls_base_symbol_defined_): New field.
11328         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11329         (Target_x86_64::Scan::global): Likewise.
11330
11331 2008-04-16  Cary Coutant  <ccoutant@google.com>
11332
11333         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11334         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11335         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11336         building shared libraries.
11337         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11338         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11339         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11340         * testsuite/Makefile.in: Rebuild.
11341         * testsuite/weak_undef.h: New file.
11342         * testsuite/weak_undef_file1.cc: Add extra test cases.
11343         * testsuite/weak_undef_file2.cc: Likewise.
11344         * testsuite/weak_undef_test.cc: Likewise.
11345
11346 2008-04-16  David S. Miller  <davem@davemloft.net>
11347
11348         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11349         Add issued_non_pic_error_ field.  Declare check_non_pic.
11350         (Target_sparc::Scan::check_non_pic): New function.
11351         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11352         (Target_sparc::Scan::global): Likewise.
11353
11354         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11355         * configure: Rebuild.
11356
11357         * options.h (DEFINE_enable): New macro.
11358         (new_dtags): New enable option.
11359         (initfirst, interpose, loadfltr, nodefaultlib,
11360         nodelete, nodlopen, nodump): New -z options.
11361         * layout.cc (Layout:finish_dynamic_section): If new
11362         dtags enabled, emit DT_RUNPATH.  Also, emit a
11363         DT_FLAGS_1 containing any specified -z flags.
11364
11365 2008-04-16  Ian Lance Taylor  <iant@google.com>
11366
11367         * copy-relocs.cc: New file.
11368         * copy-relocs.h: New file.
11369         * reloc.cc: Remove Copy_relocs code.
11370         * reloc.h: Likewise.
11371         * reloc-types.h (struct Reloc_types) [both versions]: Add
11372         get_reloc_addend_noerror.
11373         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11374         variants of add_global which take an addend which must be zero.
11375         * i386.cc: Include "copy-relocs.h".
11376         (class Target_i386): Change type of copy_relocs_ to variable,
11377         update initializer.
11378         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11379         Change all callers.
11380         (Target_i386::do_finalize_sections): Change handling of
11381         copy_relocs_.
11382         * sparc.cc: Include "copy-relocs.h".
11383         (class Target_sparc): Change type of copy_relocs_ to variable,
11384         update initializer.
11385         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11386         Change all callers.
11387         (Target_sparc::do_finalize_sections): Change handling of
11388         copy_relocs_.
11389         * x86_64.cc: Include "copy-relocs.h".
11390         (class Target_x86_64): Change type of copy_relocs_ to variable,
11391         update initializer.
11392         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11393         class.  Change all callers.
11394         (Target_x86_64::do_finalize_sections): Change handling of
11395         copy_relocs_.
11396         * Makefile.am (CCFILES): Add copy-relocs.cc.
11397         (HFILES): Add copy-relocs.h.
11398
11399         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11400
11401         * testsuite/script_test_4.sh: Permit leading zeroes.
11402
11403 2008-04-15  Ian Lance Taylor  <iant@google.com>
11404
11405         * script-sections.cc (Script_sections::create_segments): Use
11406         header_size_adjustment even when there is enough room for the
11407         headers.
11408         * testsuite/script_test_4.sh: New file.
11409         * testsuite/script_test_4.t: New file.
11410         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11411         (check_DATA): Add script_test_4.stdout.
11412         (MOSTLYCLEANFILES): Likewise.
11413         (script_test_4): New target.
11414         (script_test_4.stdout): New target.
11415         * testsuite/Makefile.in: Rebuild.
11416
11417         * sparc.cc: Add definitions for Output_data_plt_sparc class
11418         constants.
11419
11420 2008-04-14  David S. Miller  <davem@davemloft.net>
11421
11422         * sparc.cc: New file.
11423         * Makefile.am (TARGETSOURCES): Add sparc.cc
11424         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11425         * configure.tgt: Document targ_extra_size and
11426         targ_extra_big_endian.  Add entries for sparc-* and
11427         sparc64-*.
11428         * configure.ac: Handle targ_extra_size and
11429         targ_extra_big_endian.
11430         * Makefile.in: Rebuild.
11431         * configure: Likewise.
11432         * po/POTFILES.in: Likewise.
11433         * po/gold.pot: Likewise.
11434
11435 2008-04-14  Ian Lance Taylor  <iant@google.com>
11436
11437         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11438         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11439         in the name/type/flags to section mapping.  Don't call
11440         allocate_output_section.
11441         (Layout::choose_output_section): Change parameter from adjust_name
11442         to is_input_section.  Don't permit input sections after sections
11443         are attached to segments.  Don't call allocate_output_section.
11444         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11445         not write_enable_output_section.
11446         (Layout::make_output_section): Don't push to
11447         unattached_section_list_ nor call attach_to_segment.  Call
11448         attach_section_to_segment if sections are attached.
11449         (Layout::attach_sections_to_segments): New function.
11450         (Layout::attach_section_to_segment): New function.
11451         (Layout::attach_allocated_section_to_segment): Rename from
11452         attach_to_segment.  Remove flags parameter.
11453         (Layout::allocate_output_section): Remove function.
11454         (Layout::write_enable_output_section): Remove function.
11455         * layout.h (class Layout): Update for above changes.  Add new
11456         field sections_are_attached_.
11457         * output.h (Output_section::update_flags_for_input_section): New
11458         function.
11459         * output.cc (Output_section::add_input_section): Call
11460         update_flags_for_input_section.
11461         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11462
11463 2008-04-11  Cary Coutant  <ccoutant@google.com>
11464
11465         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11466         thought unnecessary.
11467         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11468
11469 2008-04-11  Ian Lance Taylor  <iant@google.com>
11470
11471         * output.h (class Output_section_data): Remove inline definition
11472         of set_addralign.
11473         * output.cc (Output_section_data::set_addralign): New function.
11474
11475 2008-04-11  Cary Coutant  <ccoutant@google.com>
11476
11477         Add support for TLS descriptors for i386 and x86_64.
11478         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11479         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11480         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11481         GOT_TYPE_TLS_DESC.
11482         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11483         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11484         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11485         relocations.
11486         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11487         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11488         Fix problem with initial-exec relocations.
11489         (Target_i386::Relocate::relocate_tls): Likewise.
11490         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11491         relaxation.
11492         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11493         support for section-plus-offset dynamic table entries.
11494         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11495         (Output_data_dynamic::Dynamic_entry): Add support for
11496         section-plus-offset dynamic table entries.
11497         (Output_data_dynamic::Classification): Likewise.
11498         (Output_data_dynamic::classification_): Renamed offset_.
11499         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11500         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11501         (Target_x86_64::make_plt_section): New function.
11502         (Target_x86_64::reserve_tlsdesc_entries): New function.
11503         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11504         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11505         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11506         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11507         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11508         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11509         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11510         add extra PLT entry for TLS descriptors.
11511         (Output_data_plt_x86_64::got_): New field.
11512         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11513         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11514         fields.
11515         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11516         descriptors.
11517         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11518         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11519         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11520         R_386_TLS_DESC_CALL relocations.
11521         (Target_x86_64::Scan::global): Likewise.
11522         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11523         for TLS descriptors.
11524         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11525         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11526         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11527         GD-to-IE relaxation.
11528         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11529         and TLS_DESCRIPTORS.
11530         * Makefile.in: Rebuild.
11531         * configure: Rebuild.
11532         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11533         (tls_test_shared2.so): New target.
11534         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11535         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11536         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11537         (tls_shared_gd_to_ie_test_LDADD): New variable.
11538         (tls_shared_gnu2_gd_to_ie_test): New target.
11539         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11540         New targets.
11541         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11542         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11543         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11544         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11545         (tls_shared_gnu2_test): New target.
11546         (tls_test_gnu2_shared.so): New target.
11547         (tls_shared_gnu2_test_SOURCES): New variable.
11548         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11549         (tls_shared_gnu2_test_LDFLAGS): New variable.
11550         (tls_shared_gnu2_test_LDADD): New variable.
11551         * testsuite/Makefile.in: Rebuild.
11552         * testsuite/Makefile.
11553
11554 2008-04-11  Ian Lance Taylor  <iant@google.com>
11555
11556         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11557         justsyms.t.
11558         * testsuite/Makefile.in: Rebuild.
11559
11560         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11561         long.
11562         * testsuite/script_test_2.cc (main): Adjust test.
11563
11564 2008-04-11  David S. Miller  <davem@davemloft.net>
11565             Ian Lance Taylor  <iant@google.com>
11566
11567         * options.h (General_options): Add entries for '-Y' and
11568         '-relax'.
11569         * options.cc (General_options:finalize): If -Y was used, add those
11570         entries to the library path instead of the default "/lib" and
11571         "/usr/lib".
11572
11573 2008-04-11  David S. Miller  <davem@davemloft.net>
11574
11575         * testsuite/justsyms.t: Start at 0x100.
11576         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11577         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11578         long.
11579         * testsuite/script_test_2.cc: Adjust string and section length
11580         checks.
11581
11582 2008-04-09  Ian Lance Taylor  <iant@google.com>
11583
11584         PR gold/5996
11585         * script-sections.cc (Sections_element::allocate_to_segment): Add
11586         orphan parameter.
11587         (Output_section_definition::allocate_to_segment): Likewise.
11588         (Orphan_output_section::allocate_to_segment): Likewise.
11589         (Script_sections::attach_sections_using_phdrs_clause): Don't
11590         propagate non-PT_LOAD segments to orphan sections.
11591         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11592         readelf rather than objdump.
11593         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11594         .interp section and PT_INTERP segment are the same size.
11595         * testsuite/Makefile.in: Rebuild.
11596
11597         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11598         aliases for symbols defined in the same object.
11599         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11600         (weak_alias_test_SOURCES): New variable.
11601         (weak_alias_test_DEPENDENCIES): New variable.
11602         (weak_alias_test_LDFLAGS): New variable.
11603         (weak_alias_test_LDADD): New variable.
11604         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11605         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11606         (weak_alias_test_3.o): New target.
11607         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11608         * testsuite/weak_alias_test_main.cc: New file.
11609         * testsuite/weak_alias_test_1.cc: New file.
11610         * testsuite/weak_alias_test_2.cc: New file.
11611         * testsuite/weak_alias_test_3.cc: New file.
11612
11613 2008-04-08  Ian Lance Taylor  <iant@google.com>
11614
11615         * options.h (class General_options): Add --noinhibit-exec option.
11616         * main.cc (main): Check --noinhibit-exec.
11617
11618         * options.h (class General_options): Define --wrap as a special
11619         option.  Add wrap_symbols_ field.
11620         (General_options::any_wrap_symbols): New function.
11621         (General_options::is_wrap_symbol): New function.
11622         * options.cc (General_options::parse_wrap): New function.
11623         (General_options::General_options): Initialize wrap_symbols_.
11624         * symtab.cc (Symbol_table::wrap_symbol): New function.
11625         (Symbol_table::add_from_object): Handle --wrap.
11626         * symtab.h (class Symbol_table): Declare wrap_symbol.
11627         * target.h (Target::wrap_char): New function.
11628         (Target::Target_info): Add wrap_char field.
11629         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11630         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11631         * testsuite/testfile.cc (Target_test::test_target_info):
11632         Likewise.
11633
11634         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11635         there is one.
11636
11637         * layout.h (class Layout): Add added_eh_frame_data_ field.
11638         * layout.cc (Layout::Layout): Initialize new field.
11639         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11640         output section until we find a section we merged successfully.
11641         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11642         that the size be non-zero.
11643
11644         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11645         qualifier.
11646
11647 2008-04-08  Craig Silverstein  <csilvers@google.com>
11648
11649         * configure.ac: Export new conditional variable HAVE_ZLIB.
11650         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11651         on HAVE_ZLIB.
11652         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11653         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11654
11655 2008-04-07  Ian Lance Taylor  <iant@google.com>
11656
11657         * version.cc (version_string): Set to "1.5".
11658
11659         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11660         Add issued_non_pic_error_ field.  Declare check_non_pic.
11661         (Target_x86_64::Scan::check_non_pic): New function.
11662         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11663         (Target_x86_64::Scan::global): Likewise.
11664
11665         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11666         addend parameter.  Change caller.  Handle merge sections.
11667         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11668         Address to Addend.  Don't add in the result of
11669         local_section_offset, pass down the addend and use the returned
11670         value.
11671         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11672         Update declarations of local_section_offset and symbol_value.
11673         * testsuite/two_file_test_1.cc (t18): New function.
11674         * testsuite/two_file_test_2.cc (f18): New function.
11675         * testsuite/two_file_test_main.cc (main): Call t18.
11676         * testsuite/two_file_test.h (t18, f18): Declare.
11677
11678         * configure.ac: Don't test for objdump, c++filt, or readelf.
11679         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11680         conditionals.
11681         (TEST_READELF): New variable.
11682         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11683         (check_PROGRAMS): Add two_file_strip_test.
11684         (two_file_strip_test): New target.
11685         (check_PROGRAMS): Add two_file_same_shared_strip_test.
11686         (two_file_same_shared_strip_test_SOURCES): New variable.
11687         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11688         (two_file_same_shared_strip_test_LDFLAGS): New variable.
11689         (two_file_same_shared_strip_test_LDADD): New variable.
11690         (two_file_shared_strip.so): New target.
11691         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11692         (ver_test_5.syms, ver_test_7.syms): Likewise.
11693         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11694         (strip_test_3.stdout): Use TEST_OBJDUMP.
11695         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11696
11697 2008-04-04  Cary Coutant  <ccoutant@google.com>
11698
11699         * symtab.h (Symbol::is_weak_undefined): New function.
11700         (Symbol::is_strong_undefined): New function.
11701         (Symbol::is_absolute): New function.
11702         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11703         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11704         absolute symbols.
11705         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11706         (weak_undef_test): New target.
11707         * testsuite/Makefile.in: Rebuild.
11708         * testsuite/weak_undef_file1.cc: New file.
11709         * testsuite/weak_undef_file2.cc: New file.
11710         * testsuite/weak_undef_test.cc: New file.
11711
11712 2008-04-03  Craig Silverstein  <csilvers@google.com>
11713
11714         * compressed_output.h (class Output_compressed_section): Use
11715         unsigned buffer.
11716         * compressed_output.cc (zlib_compress): Use unsigned buffers,
11717         add zlib header.
11718         (zlib_compressed_suffix): Removed.
11719         (Output_compressed_section::set_final_data_size): Use unsigned
11720         buffers.
11721         * testsuite/Makefile.am (flagstest_compress_debug_sections):
11722         Fix linker invocation.
11723         (flagstest_o_specialfile_and_compress_debug_sections):
11724         Likewise.
11725         * testsuite/Makefile.in: Regenerated.
11726
11727 2008-04-02  David S. Miller  <davem@davemloft.net>
11728
11729         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11730         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11731
11732 2008-04-02  Craig Silverstein  <csilvers@google.com>
11733
11734         * TODO: New file.
11735
11736 2008-04-02  Ian Lance Taylor  <iant@google.com>
11737
11738         * fileread.cc (File_read::find_view): Add byteshift and vshifted
11739         parameters.  Update for new key type to views_.  Change all
11740         callers.
11741         (File_read::read): Adjust for byteshift in returned view.
11742         (File_read::add_view): New function, broken out of
11743         find_and_make_view.
11744         (File_read::make_view): New function, broken out of
11745         find_and_make_view.
11746         (File_read::find_or_make_view): Add offset and aligned
11747         parameters.  Rewrite accordingly.  Change all callers.
11748         (File_read::get_view): Add offset and aligned parameters.  Adjust
11749         for byteshift in return value.
11750         (File_read::get_lasting_view): Likewise.
11751         * fileread.h (class File_read): Update declarations.
11752         (class File_read::View): Add byteshift_ field.  Add byteshift to
11753         constructor.  Add byteshift method.
11754         * archive.h (Archive::clear_uncached_views): New function.
11755         (Archive::get_view): Add aligned parameter.  Change all callers.
11756         * object.h (Object::get_view): Add aligned parameter.  Change all
11757         callers.
11758         (Object::get_lasting_view): Likewise.
11759
11760         * fileread.cc (File_read::release): Don't call clear_views if
11761         there are multiple objects.
11762         * fileread.h (File_read::clear_uncached_views): New function.
11763         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11764         on the archive.
11765
11766 2008-03-31  Cary Coutant  <ccoutant@google.com>
11767
11768         Add thin archive support.
11769         * archive.cc (Archive::armagt): New const.
11770         (Archive::setup): Remove task parameter and calls to unlock.
11771         (Archive::unlock_nested_archives): New function.
11772         (Archive::read_header): Add nested_off parameter. Change
11773         all callers.
11774         (Archive::interpret_header): Likewise.
11775         (Archive::include_all_members): Change to handle thin
11776         archives.
11777         (Archive::include_member): Likewise.
11778         * archive.h (Archive::Archive): Add new parameters and
11779         initializers.
11780         (Archive::armagt): New const.
11781         (Archive::setup): Remove task parameter.
11782         (Archive::unlock_nested_archives): New function.
11783         (Archive::read_header): Add nested_off parameter.
11784         (Archive::interpret_header): Likewise.
11785         (Archive::Nested_archive_table): New typedef.
11786         (Archive::is_thin_archive_): New field.
11787         (Archive::nested_archives_): New field.
11788         (Archive::options_): New field.
11789         (Archive::dirpath_): New field.
11790         (Archive::task_): New field.
11791         * readsyms.cc (Read_symbols::do_read_symbols): Add check
11792         for thin archives.  Pass additional parameters to
11793         Archive::Archive.  Unlock the archive file after calling
11794         Archive::setup.
11795
11796 2008-03-29  Ian Lance Taylor  <iant@google.com>
11797
11798         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11799         version symbol to be local.
11800         * testsuite/ver_test_4.sh: New file.
11801         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11802         (check_DATA): Add ver_test_4.syms.
11803         (ver_test_4.syms): New target.
11804         * testsuite/Makefile.in: Rebuild.
11805
11806         * output.cc
11807         (Output_section::Input_section_sort_entry::has_priority): New
11808         function.
11809         (Output_section::Input_section_sort_entry::match_file_name): New
11810         function.
11811         (Output_section::Input_section_sort_entry::match_section_name):
11812         Remove.
11813         (Output_section::Input_section_sort_entry::match_section_name_prefix):
11814         Remove.
11815         (Output_section::Input_section_sort_entry::match_section_file):
11816         Remove.
11817         (Output_section::Input_section_sort_compare::operator()): Rewrite
11818         using new Input_section_sort_entry functions.  Sort crtbegin and
11819         crtend first.  Sort sections with no priority before sections with
11820         a priority.
11821         * testsuite/initpri1.c (d3): Check j != 4.
11822         (cd5): New constructor/destructor function.
11823         (main): Check j != 2.
11824
11825         * symtab.cc (Symbol_table::add_from_object): If we don't use the
11826         new symbol when resolving, don't call set_is_default.
11827         * testsuite/ver_test_7.cc: New file.
11828         * testsuite/ver_test_7.sh: New file.
11829         * testsuite/Makefile.am (ver_test_7.so): New target.
11830         (ver_test_7.o): New target.
11831         (check_SCRIPTS): Add ver_test_7.sh.
11832         (check_DATA): Add ver_test_7.syms.
11833         (ver_test_7.syms): New target.
11834
11835 2008-03-28  Ian Lance Taylor  <iant@google.com>
11836
11837         * layout.cc (Layout::layout): If we see an input section with a
11838         name that needs sorting, set the must_sort flag for the output
11839         section.
11840         (Layout::make_output_section): If the name of the output section
11841         indicates that it might require sorting, set the may_sort flag.
11842         * output.h (Output_section::may_sort_attached_input_sections): New
11843         function.
11844         (Output_section::set_may_sort_attached_input_sections): New
11845         function.
11846         (Output_section::must_sort_attached_input_sections): New
11847         function.
11848         (Output_section::set_must_sort_attached_input_sections): New
11849         function.
11850         (class Output_section): Declare Input_section_sort_entry.  Define
11851         Input_section_sort_compare.  Declare
11852         sort_attached_input_sections.  Add new fields:
11853         may_sort_attached_input_sections_,
11854         must_sort_attached_input_sections_,
11855         attached_input_sections_are_sorted_.
11856         * output.cc (Output_section::Output_section): Initialize new
11857         fields.
11858         (Output_section::add_input_section): Add an entry to
11859         input_sections_ if may_sort or must_sort are true.
11860         (Output_section::set_final_data_size): Call
11861         sort_attached_input_sections if necessary.
11862         (Output_section::Input_section_sort_entry): Define new class.
11863         (Output_section::Input_section_sort_compare::operator()): New
11864         function.
11865         (Output_section::sort_attached_input_sections): New function.
11866         * configure.ac: Check whether the compiler supports constructor
11867         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
11868         * testsuite/initpri1.c: New file.
11869         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11870         CONSTRUCTOR_PRIORITY.
11871         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11872         (initpri1_LDFLAGS): New variable.
11873         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11874
11875 2008-03-27  Ian Lance Taylor  <iant@google.com>
11876
11877         * common.cc (Sort_commons::operator): Correct sorting algorithm.
11878         * testsuite/common_test_1.c: New file.
11879         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11880         (common_test_1_SOURCES): New variable.
11881         (common_test_1_DEPENDENCIES): New variable.
11882         (common_test_1_LDFLAGS): New variable.
11883
11884         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11885         and commons_ correctly when NAME/VERSION does not override
11886         NAME/NULL.
11887         * testsuite/ver_test_6.c: New file.
11888         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11889         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11890         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11891
11892 2008-03-26  Ian Lance Taylor  <iant@google.com>
11893
11894         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11895         of an undefined symbol from a version script.
11896         * testsuite/Makefile.am (ver_test_5.so): New target.
11897         (ver_test_5.o): New target.
11898         (check_SCRIPTS): Add ver_test_5.sh.
11899         (check_DATA): Add ver_test_5.syms.
11900         (ver_test_5.syms): New target.
11901         * testsuite/ver_test_5.cc: New file.
11902         * testsuite/ver_test_5.script: New file.
11903         * testsuite/ver_test_5.sh: New file.
11904         * Makefile.in, testsuite/Makefile.in: Rebuild.
11905
11906         PR gold/5986
11907         Fix problems building gold with gcc 4.3.0.
11908         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11909         (gold_error_at_location, gold_warning_at_location): Use it.
11910         * configure.ac: Check whether we can compile and use a template
11911         function with a printf attribute.
11912         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11913         when jumping over bytes.
11914         * object.cc: Instantiate Object::read_section_data.
11915         * debug.h: Include <cstring>
11916         * dwarf_reader.cc: Include <algorithm>
11917         * main.cc: Include <cstring>.
11918         * options.cc: Include <cstring>.
11919         * output.cc: Include <cstring>.
11920         * script.cc: Include <cstring>.
11921         * script.h: Include <string>.
11922         * symtab.cc: Include <cstring> and <algorithm>.
11923         * target-select.cc: Include <cstring>.
11924         * version.cc: Include <string>.
11925         * testsuite/testmain.cc: Include <cstdlib>.
11926         * configure, config.in: Rebuild.
11927
11928 2008-03-25  Ian Lance Taylor  <iant@google.com>
11929
11930         * options.cc: Include "../bfd/bfdver.h".
11931         (options::help): Print bug reporting address.
11932
11933         * version.cc (print_version): Adjust output for current value of
11934         BFD_VERSION_STRING.
11935
11936         * NEWS: New file.
11937
11938         * options.cc (options::help): Print list of supported targets.
11939         * target-select.h: Include <vector>.
11940         (class Target_selector): Make machine_, size_, and is_big_endian_
11941         fields const.  Add bfd_name_ and instantiated_target_ fields.
11942         (Target_selector::Target_selector): Add bfd_name parameter.
11943         (Target_selector::recognize): Make non-virtual, call
11944         do_recognize.
11945         (Target_selector::recognize_by_name): Make non-virtual, call
11946         do_recognize_by_name.
11947         (Target_selector::supported_names): New function.
11948         (Target_selector::bfd_name): New function.
11949         (Target_selector::do_instantiate_target): New pure virtual
11950         function.
11951         (Target_selector::do_recognize): New virtual function.
11952         (Target_selector::do_recognize_by_name): New virtual function.
11953         (Target_selector::instantiate_target): New private function.
11954         (supported_target_names): Declare.
11955         * target-select.cc (Target_selector::Target_selector): Update for
11956         new parameter and fields.
11957         (select_target_by_name): Check that the name matches before
11958         calling recognize_by_name.
11959         (supported_target_names): New function.
11960         * i386.cc (class Target_selector_i386): Update Target_selector
11961         constructor call.  Remove recognize and recognize_by_name.  Add
11962         do_instantiate_target.
11963         * x86_64.cc (class Target_selector_x86_64): Likewise.
11964         * testsuite/testfile.cc (class Target_selector_test): Update for
11965         changes to Target_selector.
11966
11967         * README: Rewrite, with some notes on unsupported features.
11968
11969 2008-03-24  Cary Coutant  <ccoutant@google.com>
11970
11971         * i386.cc (Target_i386::Got_type): New enum declaration.
11972         (Target_i386::Scan::local): Updated callers of Output_data_got
11973         member functions.
11974         (Target_i386::Scan::global): Likewise.
11975         (Target_i386::Relocate::relocate): Likewise.
11976         (Target_i386::Relocate::relocate_tls): Likewise.
11977         * object.h (Got_offset_list): New class.
11978         (Sized_relobj::local_has_got_offset): Added got_type parameter.
11979         (Sized_relobj::local_got_offset): Likewise.
11980         (Sized_relobj::set_local_got_offset): Likewise.
11981         (Sized_relobj::local_has_tls_got_offset): Removed.
11982         (Sized_relobj::local_tls_got_offset): Removed.
11983         (Sized_relobj::set_local_tls_got_offset): Removed.
11984         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11985         * output.cc (Output_data_got::add_global): Added got_type parameter.
11986         (Output_data_got::add_global_with_rel): Likewise.
11987         (Output_data_got::add_global_with_rela): Likewise.
11988         (Output_data_got::add_global_pair_with_rel): New function.
11989         (Output_data_got::add_global_pair_with_rela): New function.
11990         (Output_data_got::add_local): Added got_type parameter.
11991         (Output_data_got::add_local_with_rel): Likewise.
11992         (Output_data_got::add_local_with_rela): Likewise.
11993         (Output_data_got::add_local_pair_with_rel): New function.
11994         (Output_data_got::add_local_pair_with_rela): New function.
11995         (Output_data_got::add_global_tls): Removed.
11996         (Output_data_got::add_global_tls_with_rel): Removed.
11997         (Output_data_got::add_global_tls_with_rela): Removed.
11998         (Output_data_got::add_local_tls): Removed.
11999         (Output_data_got::add_local_tls_with_rel): Removed.
12000         (Output_data_got::add_local_tls_with_rela): Removed.
12001         * output.h (Output_data_got::add_global): Added got_type parameter.
12002         (Output_data_got::add_global_with_rel): Likewise.
12003         (Output_data_got::add_global_with_rela): Likewise.
12004         (Output_data_got::add_global_pair_with_rel): New function.
12005         (Output_data_got::add_global_pair_with_rela): New function.
12006         (Output_data_got::add_local): Added got_type parameter.
12007         (Output_data_got::add_local_with_rel): Likewise.
12008         (Output_data_got::add_local_with_rela): Likewise.
12009         (Output_data_got::add_local_pair_with_rel): New function.
12010         (Output_data_got::add_local_pair_with_rela): New function.
12011         (Output_data_got::add_global_tls): Removed.
12012         (Output_data_got::add_global_tls_with_rel): Removed.
12013         (Output_data_got::add_global_tls_with_rela): Removed.
12014         (Output_data_got::add_local_tls): Removed.
12015         (Output_data_got::add_local_tls_with_rel): Removed.
12016         (Output_data_got::add_local_tls_with_rela): Removed.
12017         * resolve.cc (Symbol::override_base_with_special): Removed
12018         reference to has_got_offset_ field.
12019         * symtab.cc (Symbol::init_fields): Replaced initialization
12020         of got_offset_ with got_offsets_.  Removed initialization
12021         of has_got_offset_
12022         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12023         (Symbol::got_offset): Likewise.
12024         (Symbol::set_got_offset): Likewise.
12025         (Symbol::has_tls_got_offset): Removed.
12026         (Symbol::tls_got_offset): Removed.
12027         (Symbol::set_tls_got_offset): Removed.
12028         (Symbol::got_offset_): Removed.
12029         (Symbol::tls_mod_got_offset_): Removed.
12030         (Symbol::tls_pair_got_offset_): Removed.
12031         (Symbol::got_offsets_): New field.
12032         (Symbol::has_got_offset): Removed.
12033         (Symbol::has_tls_mod_got_offset): Removed.
12034         (Symbol::has_tls_pair_got_offset): Removed.
12035         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12036         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12037         member functions.
12038         (Target_x86_64::Scan::global): Likewise.
12039         (Target_x86_64::Relocate::relocate): Likewise.
12040         (Target_x86_64::Relocate::relocate_tls): Likewise.
12041
12042 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12043
12044         * yyscript.y: Fix spelling error in comment.
12045
12046 2008-03-24  Ian Lance Taylor  <iant@google.com>
12047
12048         * options.h (class General_options): Define build_id option.
12049         * layout.h (class Layout): Declare write_build_id, create_note,
12050         create_build_id.  Add build_id_note_ member.
12051         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12052         "libiberty.h", "md5.h", "sha1.h".
12053         (Layout::Layout): Initialize eh_frame_data_,
12054         eh_frame_hdr_section_, and build_id_note_.
12055         (Layout::finalize): Call create_build_id.
12056         (Layout::create_note): New function, broken out of
12057         Layout::create_gold_note.
12058         (Layout::create_gold_note): Call create_note.
12059         (Layout::create_build_id): New function.
12060         (Layout::write_build_id): New function.
12061         (Close_task_runner::run): Call write_build_id.
12062
12063         * x86_64.cc: Correct license to GPLv3.
12064
12065 2008-03-23  Ian Lance Taylor  <iant@google.com>
12066
12067         * options.cc: Include "demangle.h".
12068         (parse_optional_string): New function.
12069         (parse_long_option): Handle takes_optional_argument.
12070         (parse_short_option): Update dash_z initializer.  Handle
12071         takes_optional_argument.
12072         (General_options::General_options): Initialize do_demangle_.
12073         (General_options::finalize): Set do_demangle_.  Handle demangling
12074         style.
12075         * options.h (parse_optional_string): Declare.
12076         (struct One_option): Add optional_arg field.  Update constructor.
12077         Update call constructor calls.  Add takes_optional_argument
12078         function.
12079         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12080         (DEFINE_optional_string): Define.
12081         (General_options::demangle): Change from DEFINE_bool to
12082         DEFINE_optional_string.
12083         (General_options::no_demangle): New function.
12084         (General_options::do_demangle): New function.
12085         (General_options::set_do_demangle): New function.
12086         (General_options::execstack_status_): Move definition to end of
12087         class definition.
12088         (General_options::static_): Likewise.
12089         (General_options::do_demangle_): New field.
12090         * object.cc (big_endian>::get_symbol_location_info): Call
12091         Options::do_demangle, not Options::demangle.
12092         * symtab.cc (demangle): Likewise.
12093
12094 2008-03-22  Ian Lance Taylor  <iant@google.com>
12095
12096         * gold.h: Include <cstddef> and <sys/types.h>
12097         * options.h: Include <cstring>.
12098
12099 2008-03-21  Ian Lance Taylor  <iant@google.com>
12100
12101         * Added source code to GNU binutils.