* object.h (Relobj::local_symbol_value): New function.
[external/binutils.git] / gold / ChangeLog
1 2011-12-18  Ian Lance Taylor  <iant@google.com>
2
3         * object.h (Relobj::local_symbol_value): New function.
4         (Relobj::local_plt_offset): New function.
5         (Relobj::local_has_got_offset): New function.
6         (Relobj::local_got_offset): New function.
7         (Relobj::set_local_got_offset): New function.
8         (Relobj::do_local_symbol_value): New pure virtual function.
9         (Relobj::do_local_plt_offset): Likewise.
10         (Relobj::do_local_has_got_offset): Likewise.
11         (Relobj::do_local_got_offset): Likewise.
12         (Relobj::do_set_local_got_offset): Likewise.
13         (Sized_relobj::do_local_has_got_offset): Rename from
14         local_has_got_offset.
15         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
16         (Sized_relobj::do_set_local_got_offset): Rename from
17         set_local_got_offset.
18         (Sized_relobj_file::do_local_plt_offset): Rename from
19         local_plt_offset.
20         (Sized_relobj_file::do_local_symbol_value): New function.
21         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
22         local_plt_offset.
23         * output.cc (Output_data_got::Got_entry::write): Change object to
24         Relobj.  Use local_symbol_value.
25         (Output_data_got::add_global_with_rel): Change rel_dyn to
26         Output_data_reloc_generic*.  Use add_global_generic.
27         (Output_data_got::add_global_with_rela): Remove.  Change all
28         callers to use add_global_with_rel.
29         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
30         Output_data_reloc_generic*.  Use add_global_generic.
31         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
32         callers to use add_global_pair_with_rel.
33         (Output_data_got::add_local): Change object to Relobj*.
34         (Output_data_got::add_local_plt): Likewise.
35         (Output_data_got::add_local_with_rel): Change object to Relobj*,
36         change rel_dyn to Output_data_reloc_generic*.  Use
37         add_local_generic.
38         (Output_data_got::add_local_with_rela): Remove.  Change all
39         callers to use all_local_with_rel.
40         (Output_data_got::add_local_pair_with_rel): Change object to
41         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
42         add_output_section_generic.
43         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
44         callers to use add_local_pair_with_rel.
45         (Output_data_got::reserve_local): Change object to Relobj*.
46         * output.h: (class Output_data_reloc_generic): Add pure virtual
47         declarations for add_global_generic, add_local_generic,
48         add_output_section_generic.
49         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
50         functions for Output_data_reloc_generic.  Update declarations for
51         changes listed in output.cc.
52         (class Output_data_got): Change template parameter to got_size.
53         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
54         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
55         function.
56         (Sized_relobj_incr::do_local_plt_offset): New function.
57         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
58         add_global_generic.
59
60 2011-12-17  Cary Coutant  <ccoutant@google.com>
61
62         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
63         * resolve.cc (Symbol_table::resolve): Likewise.
64         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
65         arrays.
66         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
67
68 2011-12-16  Ian Lance Taylor  <iant@google.com>
69
70         * output.h (Output_data_reloc_generic::add): Only call
71         add_dynamic_reloc if this is a dynamic reloc section.
72
73 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
74
75         PR gold/13505
76         * target-reloc.h (apply_relocation): Replace <64, false> with
77         <size, big_endian>.
78
79 2011-11-25  Nick Clifton  <nickc@redhat.com>
80
81         * po/it.po: New Italian translation.
82
83 2011-11-17  Sterling Augustine  <saugustine@google.com>
84
85         * script.cc (script_include_directive): Implement.
86         (read_script_file): New local variables name and search_path. Update
87         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
88         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
89         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
90
91 2011-11-11  Sterling Augustine  <saugustine@google.com>
92
93         * yyscript.y (section_cmd): Add support for INCLUDE directive.
94         (file_or_sections_cmd): Likewise.
95
96 2011-11-11  Doug Kwan  <dougkwan@google.com>
97
98         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
99         if --just-symbols is given.
100
101 2011-11-10  Doug Kwan  <dougkwan@google.com>
102
103         PR gold/13362
104         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
105         when processing data relocs.
106         * reloc.h (Relocate_functions::rel_unaligned): New method.
107         (Relocate_functions::pcrel_unaligned): Ditto.
108         (Relocate_functions::rel32_unaligned): Ditto.
109         (Relocate_functions::pcrel32_unaligned): Ditto.
110
111 2011-11-09  Doug Kwan  <dougkwan@google.com>
112
113         PR gold/13362
114         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
115         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
116         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
117         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
118         (Relocate_functions::rel_unaligned): New.
119         (Relocate_functions::rel32_unaligned): New.
120         * target-reloc.h (relocate_for_relocatable): Add code to handle
121         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
122         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
123         arm_unaligned_reloc_r): New targets.
124         * testsuite/Makefile.in: Regenerate.
125         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
126         linking.
127
128 2011-11-02  Ian Lance Taylor  <iant@google.com>
129
130         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
131         NATIVE_LINKER.
132         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
133         * options.cc (General_options::finalize): Use library search path
134         from configure script if specified.  If not native and no sysroot,
135         only search TOOLLIBDIR.
136         * options.h (Search_directory::Search_directory): Change name to
137         const std::string&.
138         (General_options::add_to_library_path_with_sysroot): Change arg to
139         const std::string&.
140         * configure, Makefile.in, config.in: Rebuild.
141
142 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
143
144         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
145         we are working around the ARM1176 Erratum.
146         * options.h (General_options::fix_arm1176): Add option.
147         * testsuite/Makefile.am: Add testcases, and keep current ones
148         working.
149         * testsuite/Makefile.in: Regenerate.
150         * testsuite/arm_fix_1176.s: New file.
151         * testsuite/arm_fix_1176.sh: Likewise.
152
153 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
154
155         * arm.cc (Target_arm::Target_arm): Remove initialisation of
156         may_use_blx_.
157         (Target_arm::may_use_blx): Remove method.
158         (Target_arm::set_may_use_blx): Likewise.
159         (Target_arm::may_use_v4t_interworking): New method.
160         (Target_arm::may_use_v5t_interworking): Likewise.
161         (Target_arm::may_use_blx_): Remove member variable.
162         (Arm_relocate_functions::arm_branch_common): Check for v5T
163         interworking.
164         (Arm_relocate_functions::thumb_branch_common): Likewise.
165         (Reloc_stub::stub_type_for_reloc): Likewise.
166         (Target_arm::do_finalize_sections): Correct interworking checks.
167         * testsuite/Makefile.am: Add new tests.
168         * testsuite/Makefile.in: Regenerate.
169         * testsuite/arm_farcall_arm_arm.s: New test.
170         * testsuite/arm_farcall_arm_arm.sh: Likewise.
171         * testsuite/arm_farcall_arm_thumb.s: Likewise.
172         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
173         * testsuite/arm_farcall_thumb_arm.s: Likewise.
174         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
175         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
176         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
177
178 2011-10-31  Cary Coutant  <ccoutant@google.com>
179
180         PR gold/13023
181         * expression.cc (Expression::eval_with_dot): Add
182         is_section_dot_assignment parameter.
183         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
184         absolute and assigning to dot within a section.
185         * script-sections.cc
186         (Output_section_element_assignment::set_section_addresses): Pass
187         dot_section to set_if_absolute.
188         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
189         as is_section_dot_assignment flag to eval_with_dot.
190         (Output_section_element_dot_assignment::set_section_addresses):
191         Likewise.
192         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
193         parameter.  Also set value if relative to dot_section; set the
194         symbol's output_section.
195         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
196         parameter.  Adjust all callers.
197         (Expression::eval_maybe_dot): Likewise.
198         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
199         Adjust all callers.
200         * testsuite/script_test_2.t: Test assignment of an absolute value
201         to dot within an output section element.
202
203 2011-10-31  Cary Coutant  <ccoutant@google.com>
204
205         * options.h (class General_options): Add --[no-]gnu-unique options.
206         * symtab.cc (Symbol_table::sized_write_globals): Convert
207         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
208
209 2011-10-31  Cary Coutant  <ccoutant@google.com>
210
211         PR gold/13359
212         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
213         unnecessary assertion.
214         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
215
216 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
217
218         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
219         gc_mark_symbol.
220         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
221         gc_mark_symbol.
222         Change to just keep the section associated with symbol.
223         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
224         they are externally visible and --export-dynamic is turned on.
225         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
226
227 2011-10-19  Ian Lance Taylor  <iant@google.com>
228
229         PR gold/13163
230         * script-sections.cc
231         (Output_section_element_dot_assignment::needs_output_section): New
232         function.
233
234 2011-10-19  Ian Lance Taylor  <iant@google.com>
235
236         PR gold/13204
237         * layout.cc (Layout::segment_precedes): Don't assert failure if a
238         --section-start option was seen.
239         * options.h (General_options::any_section_start): New function.
240
241 2011-10-18  David S. Miller  <davem@davemloft.net>
242
243         PR binutils/13301
244         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
245         member to track relocation locations that have moved during TLS
246         reloc optimizations.
247         (Target_sparc::Relocate::Relocate): Initialize to NULL.
248         (Target_sparc::Relocate::relocate): Adjust view down by 4
249         bytes if it matches reloc_adjust_addr_.
250         (Target_sparc::Relocate::relocate_tls): Always move the
251         __tls_get_addr call delay slot instruction forward 4 bytes when
252         performing relaxation.
253
254 2011-10-18  Cary Coutant  <ccoutant@google.com>
255
256         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
257         (Output_file::map_no_anonymous): Check for non-zero
258         return code from posix_fallocate.
259
260 2011-10-17  Cary Coutant  <ccoutant@google.com>
261
262         PR gold/13245
263         * plugin.cc (is_visible_from_outside): Check for symbols
264         referenced from dynamic objects.
265         * resolve.cc (Symbol_table::resolve): Don't count references
266         from dynamic objects as references from real ELF files.
267         * testsuite/plugin_test_2.sh: Adjust expected result.
268
269 2011-10-17  Cary Coutant  <ccoutant@google.com>
270
271         * gold.cc: Include timer.h.
272         (queue_middle_tasks): Stamp time.
273         (queue_final_tasks): Likewise.
274         * main.cc (main): Store timer in parameters.  Print timers
275         for each pass.
276         * parameters.cc (Parameters::Parameters): Initialize timer_.
277         (Parameters::set_timer): New function.
278         (set_parameters_timer): New function.
279         * parameters.h (Parameters::set_timer): New function.
280         (Parameters::timer): New function.
281         (Parameters::timer_): New data member.
282         (set_parameters_timer): New function.
283         * timer.cc (Timer::stamp): New function.
284         (Timer::get_pass_time): New function.
285         * timer.h (Timer::stamp): New function.
286         (Timer::get_pass_time): New function.
287         (Timer::pass_times_): New data member.
288
289 2011-10-17  Cary Coutant  <ccoutant@google.com>
290
291         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
292         task for members of lib groups.
293
294 2011-10-17  Cary Coutant  <ccoutant@google.com>
295
296         PR gold/13288
297         * fileread.cc (File_read::find_view): Add assert.
298         (File_read::make_view): Move bounds check (replace with assert)...
299         (File_read::find_or_make_view): ... to here.
300
301 2011-10-12  Cary Coutant  <ccoutant@google.com>
302
303         * output.cc (Output_file::open_base_file): Handle case where
304         ::read returns less than requested size.
305
306 2011-10-10  Cary Coutant  <ccoutant@google.com>
307
308         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
309         Initialize defined_count_.
310         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
311         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
312         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
313         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
314         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
315         * incremental.h (Sized_relobj_incr::defined_count_): New data
316         member.
317         (Sized_incr_dynobj::defined_count_): New data member.
318         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
319         Return zeroes instead of internal error.
320
321 2011-10-10  Cary Coutant  <ccoutant@google.com>
322
323         PR gold/13249
324         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
325         (Output_reloc::symbol_value): Return PLT offset if flag is set.
326         * output.h (class Output_reloc): Add use_plt_offset flag.
327         (Output_reloc::type_): Adjust size of bit field.
328         (Output_reloc::use_plt_offset_): New bit field.
329         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
330         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
331         flag.  Adjust all callers.
332         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
333         creating RELATIVE relocations.
334
335 2011-10-10  Nick Clifton  <nickc@redhat.com>
336
337         * po/es.po: Updated Spanish translation.
338         * po/fi.po: Updated Finnish translation.
339
340 2011-10-03   Diego Novillo  <dnovillo@google.com>
341
342         * options.cc (parse_uint): Fix dereference of RETVAL.
343
344 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
345
346         * layout.h (section_order_map_): New member.
347         (get_section_order_map): New member function.
348         * output.cc (Output_section::add_input_section): Check for patterns
349         only when --section-ordering-file is specified.
350         * gold.cc (queue_middle_tasks): Delay updating order of sections till
351         output_sections have been formed.
352         * layout.cc (Layout_Layout): Initialize section_order_map_.
353         * plugin.cc (update_section_order): Store order in order_map. Do not
354         update the order.
355         * testsuite/Makefile.am: Add test case for plugin_final_layout.
356         * testsuite/Makefile.in: Regenerate.
357         * testsuite/plugin_section_order.c: New file.
358         * testsuite/plugin_final_layout.cc: New file.
359         * testsuite/plugin_final_layout.sh: New file.
360
361 2011-09-29  Cary Coutant  <ccoutant@google.com>
362
363         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
364         Check for NULL.
365         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
366         symbols during incremental update.
367         (Symbol_table::add_from_dynobj): Likewise.
368
369 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
370             Ian Lance Taylor  <iant@google.com>
371
372         * symtab.cc (Symbol_table::define_special_symbol): Always
373         canonicalize version string.
374
375 2011-09-26  Cary Coutant  <ccoutant@google.com>
376
377         * gold.cc (queue_initial_tasks): Move option checks ...
378         * options.cc (General_options::finalize): ... to here. Disable
379         some options; make others fatal.
380
381 2011-09-26  Cary Coutant  <ccoutant@google.com>
382
383         gcc PR lto/47247
384         * plugin.cc (get_symbols_v2): New function.
385         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
386         (is_referenced_from_outside): New function.
387         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
388         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
389         (get_symbols): Pass version parameter.
390         (get_symbols_v2): New function.
391         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
392         parameter.
393         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
394         (onload): Add LDPT_GET_SYMBOLS_V2.
395         (all_symbols_read_hook): Use get_symbols_v2; check for
396         LDPR_PREVAILING_DEF_IRONLY_EXP.
397         * testsuite/plugin_test_3.sh: Update expected results.
398
399 2011-09-23  Simon Baldwin  <simonb@google.com>
400
401         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
402         configuration options.
403         * configure: Regenerate.
404         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
405         * Makefile.in: Regenerate.
406         * testsuite/Makefile.in: Regenerate.
407
408 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
409
410         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
411
412 2011-09-19  Cary Coutant  <ccoutant@google.com>
413
414         * incremental.cc (can_incremental_update): Fix typo in comment.
415         * incremental.h (can_incremental_update): Likewise.
416
417 2011-09-18  Cary Coutant  <ccoutant@google.com>
418
419         * incremental.cc (can_incremental_update): New function.
420         * incremental.h (can_incremental_update): New function.
421         * layout.cc (Layout::init_fixed_output_section): Call it.
422         (Layout::make_output_section): Don't allow patch space in .eh_frame.
423         * object.cc (Sized_relobj_file::do_layout): Call
424         can_incremental_update.
425
426 2011-09-13  Cary Coutant  <ccoutant@google.com>
427
428         * configure.ac: Check for glibc support for gnu_indirect_function
429         support with static linking, setting automake conditional
430         IFUNC_STATIC.
431         * Makefile.in: Regenerate.
432         * configure: Regenerate.
433
434         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
435         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
436         for IFUNC_STATIC.
437         * testsuite/Makefile.in: Regenerate.
438
439 2011-09-13  Cary Coutant  <ccoutant@google.com>
440
441         * incremental.cc (Sized_relobj_incr::do_layout): Call
442         report_comdat_group for kept comdat sections.
443         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
444         * testsuite/Makefile.in: Regenerate.
445         * testsuite/incr_comdat_test_1.cc: New source file.
446         * testsuite/incr_comdat_test_2_v1.cc: New source file.
447         * testsuite/incr_comdat_test_2_v2.cc: New source file.
448         * testsuite/incr_comdat_test_2_v3.cc: New source file.
449
450 2011-09-13  Ian Lance Taylor  <iant@google.com>
451
452         * object.cc (Sized_relobj_file::do_layout): Remove unused local
453         variable external_symbols_offset.
454
455 2011-09-12  Ian Lance Taylor  <iant@google.com>
456
457         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
458         triggered if object has no symbols.
459
460 2011-09-09  David S. Miller  <davem@davemloft.net>
461
462         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
463         (Output_fill_debug_line::do_write): Likewise.
464
465 2011-08-29  Cary Coutant  <ccoutant@google.com>
466
467         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
468         casts to match formatting specs.
469         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
470
471 2011-08-26  Cary Coutant  <ccoutant@google.com>
472
473         * layout.cc (Free_list::allocate): Provide guarantee of minimum
474         remaining hole size when allocating.
475         (Layout::make_output_section): Set fill methods for debug sections.
476         * layout.h (Free_list::Free_list_node): Move from private to
477         public.
478         (Free_list::set_min_hole_size): New function.
479         (Free_list::begin, Free_list::end): New functions.
480         (Free_list::min_hole_): New data member.
481         * output.cc: Include dwarf.h.
482         (Output_fill_debug_info::do_minimum_hole_size): New function.
483         (Output_fill_debug_info::do_write): New function.
484         (Output_fill_debug_line::do_minimum_hole_size): New function.
485         (Output_fill_debug_line::do_write): New function.
486         (Output_section::Output_section): Initialize new data member.
487         (Output_section::set_final_data_size): Ensure patch space is larger
488         than minimum hole size.
489         (Output_section::do_write): Fill holes in debug sections.
490         * output.h (Output_fill): New class.
491         (Output_fill_debug_info): New class.
492         (Output_fill_debug_line): New class.
493         (Output_section::set_free_space_fill): New function.
494         (Output_section::free_space_fill_): New data member.
495         * testsuite/Makefile.am (incremental_test_3): Add
496         --incremental-patch option.
497         (incremental_test_4): Likewise.
498         (incremental_test_5): Likewise.
499         (incremental_test_6): Likewise.
500         (incremental_copy_test): Likewise.
501         (incremental_common_test_1): Likewise.
502         * testsuite/Makefile.in: Regenerate.
503
504 2011-08-26  Nick Clifton  <nickc@redhat.com>
505
506         * po/es.po: Updated Spanish translation.
507
508 2011-08-01  Cary Coutant  <ccoutant@google.com>
509
510         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
511         * gold/testsuite/Makefile.in: Regenerate.
512         * gold/testsuite/justsyms_exec.c: New source file.
513         * gold/testsuite/justsyms_lib.c: New source file.
514
515 2011-08-01  Cary Coutant  <ccoutant@google.com>
516
517         * layout.cc (Layout::set_segment_offsets): Don't realign text
518         segment if -Ttext was specified.
519         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
520         file type.
521         * object.h (Sized_relobj_file::e_type): New function.
522         (Sized_relobj_file::e_type_): New data member.
523         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
524         base address for ET_EXEC files.
525         * target.cc (Target::do_make_elf_object_implementation): Allow
526         ET_EXEC files with --just-symbols option.
527
528 2011-07-28  Cary Coutant  <ccoutant@google.com>
529
530         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
531         Add thread_number parameter.
532         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
533         * workqueue-threads.cc
534         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
535         current thread if its thread number is greater than desired thread
536         count.
537         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
538         Add thread_number parameter.
539         (Workqueue::should_cancel_thread): Likewise.
540         (Workqueue::find_runnable_or_wait): Pass thread_number to
541         should_cancel_thread.
542         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
543         parameter.
544
545 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
546
547         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
548         only after checking if it cannot be forced local.
549         * symtab.h (is_externally_visible): Check if the symbol is not forced
550         local.
551
552 2011-07-15  Ian Lance Taylor  <iant@google.com>
553
554         * options.h (class General_options): Add --print-output-format.
555         Move -EL next to -EB, for  better --help output.
556         * target-select.cc: Include <cstdio>, "options.h", and
557         "parameters.h".
558         (Target_selector::do_target_bfd_name): New function.
559         (print_output_format): New function.
560         * target-select.h (class Target_selector): Update declarations.
561         (Target_selector::target_bfd_name): New function.
562         (print_output_format): Declare.
563         * main.cc: Include "target-select.h".
564         (main): Handle --print-output-format.
565         * gold.cc: Include "target-select.h".
566         (queue_initial_tasks): Handle --print-output-format when there are
567         no input files.
568         * parameters.cc (parameters_force_valid_target): Give a better
569         error message if -EB/-EL does not match target.
570         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
571         function.
572
573 2011-07-15  Ian Lance Taylor  <iant@google.com>
574
575         * i386.cc (class Output_data_plt_i386): Add layout_ field.
576         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
577         (Output_data_plt_i386::do_write): Write address of .dynamic
578         section to first entry in .got.plt section.
579         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
580         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
581         Initialize layout_.
582         (Output_data_plt_x86_64::do_write): Write address of .dynamic
583         section to first entry in .got.plt section.
584         * layout.h (Layout::dynamic_section): New function.
585
586 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
587
588         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
589         to claim_file call.
590         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
591         input_section_position_, and input_section_glob_.
592         (read_layout_from_file): Call function section_ordering_specified.
593         * layout.h (is_section_ordering_specified): New function.
594         (section_ordering_specified): New function.
595         (section_ordering_specified_): New boolean member.
596         * main.cc(main): Call load_plugins after layout object is defined.
597         * output.cc (Output_section::add_input_section): Use
598         function section_ordering_specified to check if section ordering is
599         needed.
600         * output.cc (Output_section::add_relaxed_input_section): Use
601         function section_ordering_specified to check if section ordering is
602         needed.
603         (Output_section::update_section_layout): New function.
604         (Output_section::sort_attached_input_sections): Check if input section
605         must be reordered.
606         * output.h (Output_section::update_section_layout): New function.
607         * plugin.cc (get_section_count): New function.
608         (get_section_type): New function.
609         (get_section_name): New function.
610         (get_section_contents): New function.
611         (update_section_order): New function.
612         (allow_section_ordering): New function. 
613         (Plugin::load): Add the new interfaces to the transfer vector.
614         (Plugin_manager::load_plugins): New parameter.
615         (Plugin_manager::all_symbols_read): New parameter.
616         (Plugin_manager::claim_file): New parameter. Save the elf object for
617         unclaimed objects.
618         (Plugin_manager::get_elf_object): New function.
619         (Plugin_manager::get_view): Change to directly use the bool to check
620         if get_view is called from claim_file_hook.
621         * plugin.h (input_objects): New function
622         (Plugin__manager::load_plugins): New parameter.
623         (Plugin_manager::claim_file): New parameter.
624         (Plugin_manager::get_elf_object): New function.
625         (Plugin_manager::in_claim_file_handler): New function.
626         (Plugin_manager::in_claim_file_handler_): New member.
627         (layout): New function.
628         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
629         handler with an extra parameter. Make the elf object before calling
630         claim_file handler.
631         * testsuite/plugin_test.c (get_section_count): New function pointer.
632         (get_section_type): New function pointer.
633         (get_section_name): New function pointer.
634         (get_section_contents): New function pointer.
635         (update_section_order): New function pointer.
636         (allow_section_ordering): New function pointer.
637         (onload): Check if the new interfaces exist.
638
639 2011-07-13  Ian Lance Taylor  <iant@google.com>
640
641         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
642         relro section.
643         * x86_64.cc (Target_x86_64::got_section): Likewise.
644         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
645         (relro_now_test_SOURCES): New variable.
646         (relro_now_test_DEPENDENCIES): New variable.
647         (relro_now_test_LDFLAGS): New variable.
648         (relro_now_test_LDADD): New variable.
649         (relro_now_test.so): New target.
650         * testsuite/Makefile.in: Rebuild.
651
652 2011-07-12  Ian Lance Taylor  <iant@google.com>
653
654         PR gold/12980
655         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
656         GLOB_DAT relocation rather than a RELATIVE relocation for a
657         protected symbol when creating a shared library.
658         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
659         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
660         * testsuite/protected_main_1.cc (main): Test that protected
661         function has same address.
662
663 2011-07-11  Ian Lance Taylor  <iant@google.com>
664
665         PR gold/12979
666         * options.h (class General_options): Add -Bgroup.
667         * options.cc (General_options::finalize): If -Bgroup is set,
668         default to --unresolved-symbols=report-all.
669         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
670         * target-reloc.h (issue_undefined_symbol_error): Handle
671         --unresolved-symbols=report-all.
672
673 2011-07-08  Ian Lance Taylor  <iant@google.com>
674
675         PR gold/11985
676         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
677         if linker script discards key sections.
678         (Layout::create_dynamic_symtab): Likewise.
679         (Layout::assign_local_dynsym_offsets): Likewise.
680         (Layout::sized_create_version_sections): Likewise.
681         (Layout::create_interp): Likewise.
682         (Layout::finish_dynamic_section): Likewise.
683         (Layout::set_dynamic_symbol_size): Likewise.
684
685 2011-07-08  Ian Lance Taylor  <iant@google.com>
686
687         PR gold/12386
688         * options.h (class General_options): Add --unresolved-symbols.
689         * target-reloc.h (issue_undefined_symbol_error): Check
690         --unresolved-symbols.  Add comments.
691
692 2011-07-08  Ian Lance Taylor  <iant@google.com>
693
694         * testsuite/odr_violation2.cc (Ordering::operator()): Make
695         expression more complex.
696
697 2011-07-08  Ian Lance Taylor  <iant@google.com>
698
699         PR gold/11317
700         * target-reloc.h (issue_undefined_symbol_error): New inline
701         function, broken out of relocate_section.
702         (relocate_section): Call issue_undefined_symbol_error.
703         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
704         there is no TLS segment if we are about to issue an undefined
705         symbol error.
706         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
707
708 2011-07-08  Ian Lance Taylor  <iant@google.com>
709
710         PR gold/12279
711         * resolve.cc (Symbol_table::should_override): Add fromtype
712         parameter.  Change all callers.  Give error when linking together
713         TLS and non-TLS symbol.
714         (Symbol_table::should_override_with_special): Add fromtype
715         parameter.  Change all callers.
716         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
717         there is no TLS segment if we have reported some errors.
718         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
719
720 2011-07-08  Ian Lance Taylor  <iant@google.com>
721
722         PR gold/12372
723         * target.h (Target::plt_address_for_global): New function.
724         (Target::plt_address_for_local): New function.
725         (Target::plt_section_for_global): Remove.
726         (Target::plt_section_for_local): Remove.
727         (Target::do_plt_address_for_global): New virtual function.
728         (Target::do_plt_address_for_local): New virtual function.
729         (Target::do_plt_section_for_global): Remove.
730         (Target::do_plt_section_for_local): Remove.
731         (Target::register_global_plt_entry): Add Symbol_table and Layout
732         parameters.
733         * output.cc (Output_data_got::Got_entry::write): Use
734         plt_address_for_global and plt_address_for_local.
735         * layout.cc (Layout::add_target_dynamic_tags): Use size and
736         address of output section.
737         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
738         got_irelative_, and irelative_count_ fields.  Update
739         declarations.
740         (Output_data_plt_i386::has_irelative_section): New function.
741         (Output_data_plt_i386::entry_count): Add irelative_count_.
742         (Output_data_plt_i386::set_final_data_size): Likewise.
743         (class Target_i386): Add got_irelative_ and rel_irelative_
744         fields.  Update declarations.
745         (Target_i386::Target_i386): Initialize new fields.
746         (Target_i386::do_plt_address_for_global): New function replacing
747         do_plt_section_for_global.
748         (Target_i386::do_plt_address_for_local): New function replacing
749         do_plt_section_for_local.
750         (Target_i386::got_section): Create got_irelative_.
751         (Target_i386::rel_irelative_section): New function.
752         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
753         fields.  Don't define __rel_iplt_{start,end}.
754         (Output_data_plt_i386::add_entry): Add symtab and layout
755         parameters.  Change all callers.  Use different PLT and GOT for
756         IFUNC symbols.
757         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
758         layout parameters.  Change all callers.  Use different PLT and
759         GOT.
760         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
761         (Output_data_plt_i386::rel_irelative): New function.
762         (Output_data_plt_i386::address_for_global): New function.
763         (Output_data_plt_i386::address_for_local): New function.
764         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
765         IRELATIVE GOT when changing IFUNC GOT entries.
766         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
767         reloc.
768         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
769         if we didn't create an IRELATIVE GOT.
770         (Target_i386::Relocate::relocate): Use plt_address_for_global and
771         plt_address_for_local.
772         (Target_i386::do_dynsym_value): Use plt_address_for_global.
773         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
774         got_irelative_, and irelative_count_ fields.  Update
775         declarations.
776         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
777         Initialize new fields.  Remove symtab parameter.  Change all
778         callers.
779         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
780         irelative_count_.
781         (Output_data_plt_x86_64::has_irelative_section): New function.
782         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
783         (class Target_x86_64): Add got_irelative_ and rel_irelative_
784         fields.  Update declarations.
785         (Target_x86_64::Target_x86_64): Initialize new fields.
786         (Target_x86_64::do_plt_address_for_global): New function replacing
787         do_plt_section_for_global.
788         (Target_x86_64::do_plt_address_for_local): New function replacing
789         do_plt_section_for_local.
790         (Target_x86_64::got_section): Create got_irelative_.
791         (Target_x86_64::rela_irelative_section): New function.
792         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
793         all callers.  Don't create __rel_iplt_{start,end}.
794         (Output_data_plt_x86_64::add_entry): Add symtab and layout
795         parameters.  Change all callers.  Use different PLT and GOT for
796         IFUNC symbols.
797         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
798         layout parameters.  Change all callers.  Use different PLT and
799         GOT.
800         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
801         parameters.  Change all callers.  Use different PLT and GOT for
802         IFUNC symbols.
803         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
804         (Output_data_plt_x86_64::rela_irelative): New function.
805         (Output_data_plt_x86_64::address_for_global): New function.
806         (Output_data_plt_x86_64::address_for_local): New function.
807         (Output_data_plt_x86_64::set_final_data_size): Likewise.
808         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
809         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
810         (Target_x86_64::register_global_plt_entry): Add symtab and layout
811         parameters.
812         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
813         reloc.
814         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
815         symbols if we didn't create an IRELATIVE GOT.
816         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
817         plt_address_for_local.
818         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
819         * testsuite/ifuncvar1.c: New test file.
820         * testsuite/ifuncvar2.c: New test file.
821         * testsuite/ifuncvar3.c: New test file.
822         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
823         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
824         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
825         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
826         * testsuite/Makefile.in: Rebuild.
827
828 2011-07-07  Cary Coutant  <ccoutant@google.com>
829
830         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
831         (two_file_test_1_ndebug.o): Likewise.
832         (two_file_test_1b_ndebug.o): Likewise.
833         (two_file_test_2_ndebug.o): Likewise.
834         (two_file_test_main_ndebug.o): Likewise.
835         (incremental_test_2): Link with no-debug versions.
836
837 2011-07-06  Cary Coutant  <ccoutant@google.com>
838
839         * gold/incremental.cc
840         (Output_section_incremental_inputs::write_info_blocks): Check for
841         hidden and internal symbols.
842
843 2011-07-06  Cary Coutant  <ccoutant@google.com>
844
845         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
846         Check disposition for startup file.
847         (Incremental_inputs::report_command_line): Ignore
848         --incremental-startup-unchanged option.
849         * options.cc (General_options::parse_incremental_startup_unchanged):
850         New function.
851         (General_options::General_options): Initialize new data member.
852         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
853         (General_options): Add --incremental-startup-unchanged option.
854         (General_options::incremental_startup_disposition): New function.
855         (General_options::incremental_startup_disposition_): New data member.
856
857 2011-07-06  Cary Coutant  <ccoutant@google.com>
858
859         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
860         input file index to Script_info ctor.
861         (Sized_incremental_binary::do_file_has_changed): Find the
862         command-line argument for files named in scripts.
863         * incremental.h (Script_info::Script_info): New ctor
864         with input file index.
865         (Script_info::input_file_index): New function.
866         (Script_info::input_file_index_): New data member.
867         (Incremental_binary::get_library): Add const.
868         (Incremental_binary::get_script_info): Add const.
869         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
870         * testsuite/Makefile.am (incremental_test_5): New test case.
871         (incremental_test_6): New test case.
872         * testsuite/Makefile.in: Regenerate.
873
874 2011-07-06  Cary Coutant  <ccoutant@google.com>
875
876         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
877         debug output when command lines differ.
878
879 2011-07-06  Cary Coutant  <ccoutant@google.com>
880
881         * incremental.cc (Incremental_inputs::report_command_line): Ignore
882         --incremental-patch option.
883         * layout.cc (Free_list::allocate): Extend allocation beyond original
884         end if enabled.
885         (Layout::make_output_section): Mark sections that should get
886         patch space.
887         * options.cc (parse_percent): New function.
888         * options.h (parse_percent): New function.
889         (DEFINE_percent): New macro.
890         (General_options): Add --incremental-patch option.
891         * output.cc (Output_section::Output_section): Initialize new data
892         members.
893         (Output_section::add_input_section): Print section name when out
894         of patch space.
895         (Output_section::add_output_section_data): Likewise.
896         (Output_section::set_final_data_size): Add patch space when
897         doing --incremental-full.
898         (Output_section::do_reset_address_and_file_offset): Remove patch
899         space.
900         (Output_segment::set_section_list_addresses): Print debug output
901         only if --incremental-update.
902         * output.h (Output_section::set_is_patch_space_allowed): New function.
903         (Output_section::is_patch_space_allowed_): New data member.
904         (Output_section::patch_space_): New data member.
905         * parameters.cc (Parameters::incremental_full): New function.
906         * parameters.h (Parameters::incremental_full): New function
907         * testsuite/Makefile.am (incremental_test_2): Add test for
908         --incremental-patch option.
909         * testsuite/Makefile.in: Regenerate.
910         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
911         (t18): Remove function body.
912
913 2011-07-05  Doug Kwan  <dougkwan@google.com>
914
915         PR gold/12771
916         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
917         Arm_Address type for relocation result.
918         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
919         overflow check.
920         (Arm_relocate_functions::abs32): Use unaligned access.
921         (Arm_relocate_functions::rel32): Ditto.
922         (Arm_relocate_functions::prel31): Ditto.
923         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
924         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
925         static data relocations.
926         * testsuite/Makefile.in: Regnerate.
927         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
928
929 2011-07-05  Ian Lance Taylor  <iant@google.com>
930
931         PR gold/12392
932         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
933         symbols if necessary.
934         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
935
936 2011-07-05  Ian Lance Taylor  <iant@google.com>
937
938         PR gold/12952
939         * resolve.cc (Symbol::override_base_with_special): Simply override
940         version with special symbol version, ignoring previous version.
941
942 2011-07-05  Ian Lance Taylor  <iant@google.com>
943
944         * object.cc (Sized_relobj_file::include_section_group): Add
945         information to comment about signature location.
946
947 2011-07-02  Ian Lance Taylor  <iant@google.com>
948
949         PR gold/12957
950         * options.h (class General_options): Add -f and -F.
951         * options.cc (General_options::finalize): Fatal error if -f/-F
952         are used without -shared.
953         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
954
955 2011-07-02  Ian Lance Taylor  <iant@google.com>
956
957         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
958
959 2011-07-01  Ian Lance Taylor  <iant@google.com>
960
961         PR gold/12525
962         PR gold/12952
963         * resolve.cc (Symbol::override_base_with_special): Don't override
964         the version if the overriding symbol has a different name.
965         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
966         all callers.  If we give an error about an undefined version,
967         define the base version if necessary.
968         * dynobj.h (class Versions): Update declaration.
969         * testsuite/weak_alias_test_5.cc: New file.
970         * testsuite/weak_alias_test.script: New file.
971         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
972         and versioned_alias have the right value, and call t2.
973         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
974         weak_alias_test_5.so.
975         (weak_alias_test_LDADD): Likewise.
976         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
977         * testsuite/Makefile.in: Rebuild.
978
979 2011-07-01  Ian Lance Taylor  <iant@google.com>
980
981         PR gold/12525
982         * options.h (class General_options): Support -z notext.
983         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
984         -Wl,-z,notext.
985         (two_file_shared_nonpic.so): Likewise.
986         (two_file_shared_mixed.so): Likewise.
987         (two_file_shared_mixed_1.so): Likewise.
988         (weak_undef_lib_nonpic.so): Likewise.
989         (alt/weak_undef_lib_nonpic.so): Likewise.
990         (tls_test_shared_nonpic.so): Likewise.
991         * testsuite/Makefile.in: Rebuild.
992
993 2011-07-01  Ian Lance Taylor  <iant@google.com>
994
995         PR gold/12525
996         * configure.ac: Test whether static linking works, setting
997         the automake conditional HAVE_STATIC.
998         * testsuite/Makefile.am: Disable tests using -static if
999         HAVE_STATIC is not true.
1000         * configure, testsuite/Makefile.in: Rebuild.
1001
1002 2011-07-01  Ian Lance Taylor  <iant@google.com>
1003
1004         PR gold/12525
1005         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1006         Assert if we see DW_EH_PE_indirect.
1007         * target.h (Target::ehframe_datarel_base): New function.
1008         (Target::do_ehframe_datarel_base): New target function.
1009         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1010         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1011         function.
1012
1013 2011-07-01  Ian Lance Taylor  <iant@google.com>
1014
1015         PR gold/12571
1016         * options.h (class General_options): Add
1017         --ld-generated-unwind-info.
1018         * ehframe.cc (Fde::write): Add address parameter.  Change all
1019         callers.  If associated with PLT, fill in address and size.
1020         (Cie::set_output_offset): Only add merge mapping if there is an
1021         object.
1022         (Cie::write): Add address parameter.  Change all callers.
1023         (Eh_frame::add_ehframe_for_plt): New function.
1024         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1025         input_offset_ fields into union u_, with new plt field.
1026         (Fde::Fde): Adjust for new union field.
1027         (Fde::Fde) [Output_data version]: New constructor.
1028         (Fde::add_mapping): Only add merge mapping if there is an object.
1029         (class Cie): Update declarations.
1030         (class Eh_frame): Declare add_ehframe_for_plt.
1031         * layout.cc (Layout::layout_eh_frame): Break out code into
1032         make_eh_frame_section, and call it.
1033         (Layout::make_eh_frame_section): New function.
1034         (Layout::add_eh_frame_for_plt): New function.
1035         * layout.h (class Layout): Update declarations.
1036         * merge.cc (Merge_map::add_mapping): Add assertion.
1037         * i386.cc: Include "dwarf.h".
1038         (class Output_data_plt_i386): Make first_plt_entry,
1039         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1040         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1041         and plt_eh_frame_fde.
1042         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1043         boundary.  Call add_eh_frame_for_plt if appropriate.
1044         * x86_64.cc: Include "dwarf.h".
1045         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1046         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1047         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1048         and plt_eh_frame_fde.
1049         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1050         appropriate.
1051
1052 2011-06-29  Ian Lance Taylor  <iant@google.com>
1053
1054         PR gold/12629
1055         * object.cc (Sized_relobj_file::layout_section): Change shdr
1056         parameter to be const.
1057         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1058         out of do_layout.
1059         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1060         appropriate.  Call layout_eh_frame_section.
1061         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1062         sections.
1063         * object.h (class Sized_relobj_file): Update declarations.
1064
1065 2011-06-29  Ian Lance Taylor  <iant@google.com>
1066
1067         PR gold/12652
1068         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1069         modifier.
1070         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1071
1072 2011-06-29  Ian Lance Taylor  <iant@google.com>
1073
1074         PR gold/12675
1075         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1076         SHT_X86_64_UNWIND.
1077         * layout.cc (Layout::layout_eh_frame): Likewise.
1078
1079 2011-06-29  Ian Lance Taylor  <iant@google.com>
1080
1081         PR gold/12695
1082         * layout.cc (Layout::symtab_section_shndx): New function.
1083         * layout.h (class Layout): Declare symtab_section_shndx.
1084         * output.cc (Output_section::write_header): Call it.
1085
1086 2011-06-29  Ian Lance Taylor  <iant@google.com>
1087
1088         PR gold/12818
1089         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1090         symbols which are not used in a relocation.
1091
1092 2011-06-28  Ian Lance Taylor  <iant@google.com>
1093
1094         PR gold/12898
1095         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1096         script create indistinguishable segments.
1097         (Layout::set_segment_offsets): Use stable_sort when sorting
1098         segments.  Pass this to Compare_segments constructor.
1099         * layout.h (class Layout): Make segment_precedes non-static.
1100         (class Compare_segments): Change from struct to class.  Add
1101         layout_ field.  Add constructor.
1102         * script-sections.cc
1103         (Script_sections::attach_sections_using_phdrs_clause): Rename
1104         local orphan to is_orphan.  Don't report failure to put empty
1105         section in segment.  On attachment failure, report name of
1106         section, and attach to first PT_LOAD segment.
1107
1108 2011-06-28  Ian Lance Taylor  <iant@google.com>
1109
1110         PR gold/12934
1111         * target-select.cc (Target_selector::Target_selector): Add
1112         emulation parameter.  Change all callers.
1113         (select_target_by_bfd_name): Rename from select_target_by_name.
1114         Change all callers.
1115         (select_target_by_emulation): New function.
1116         (supported_emulation_names): New function.
1117         * target-select.h (class Target_selector): Add emulation_ field.
1118         Update declarations.
1119         (Target_selector::recognize_by_bfd_name): Rename from
1120         recognize_by_name.  Change all callers.
1121         (Target_selector::supported_bfd_names): Rename from
1122         supported_names.  Change all callers.
1123         (Target_selector::recognize_by_emulation): New function.
1124         (Target_selector::supported_emulations): New function.
1125         (Target_selector::emulation): New function.
1126         (Target_selector::do_recognize_by_bfd_name): Rename from
1127         do_recognize_by_name.  Change all callers.
1128         (Target_selector::do_supported_bfd_names): Rename from
1129         do_supported_names.  Change all callers.
1130         (Target_selector::do_recognize_by_emulation): New function.
1131         (Target_selector::do_supported_emulations): New function.
1132         (select_target_by_bfd_name): Change name in declaration.
1133         (select_target_by_emulation): Declare.
1134         (supported_emulation_names): Declare.
1135         * parameters.cc (parameters_force_valid_target): Try to find
1136         target based on emulation from -m option.
1137         * options.h (class General_options): Change doc string for -m.
1138         * options.cc (help): Print emulations.
1139         (General_options::parse_V): Likewise.
1140         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1141         Add emulation parameter.  Change all callers.
1142
1143 2011-06-28  Ian Lance Taylor  <iant@google.com>
1144
1145         * target.h (class Target): Add osabi_ field.
1146         (Target::osabi): New function.
1147         (Target::set_osabi): New function.
1148         (Target::Target): Initialize osabi_.
1149         (Target::do_adjust_elf_header): Make pure virtual.
1150         (Sized_target::do_adjust_elf_header): Declare.
1151         * target.cc (Sized_target::do_adjust_elf_header): New function.
1152         (class Sized_target): Instantiate all versions.
1153         * freebsd.h (class Target_freebsd): Remove.
1154         (Target_selector_freebsd::do_recognize): Call set_osabi on
1155         Target.
1156         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1157         (Target_selector_freebsd::set_osabi): Remove.
1158         * i386.cc (class Target_i386): Inherit from Sized_target rather
1159         than Target_freebsd.
1160         * x86_64.cc (class Target_x86_64): Likewise.
1161
1162 2011-06-28  Ian Lance Taylor  <iant@google.com>
1163
1164         * target.h (Target::can_check_for_function_pointers): Rewrite.
1165         Make non-virtual.
1166         (Target::can_icf_inline_merge_sections): Likewise.
1167         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1168         (Target::Target_info): Add can_icf_inline_merge_sections field.
1169         (Target::do_can_check_for_function_pointers): New virtual
1170         function.
1171         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1172         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1173         from can_check_for_function_pointers, move in file.
1174         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1175         section_may_have_icf_unsafe_poineters, move in file.
1176         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1177         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1178         Rename from can_check_for_function_pointers, move in file.
1179         (Target_i386::can_icf_inline_merge_sections): Remove.
1180         (Target_i386::i386_info): Initialize
1181         can_icf_inline_merge_sections.
1182         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1183         Initialize can_icf_inline_merge_sections.
1184         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1185         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1186         Rename from can_check_for_function_pointers, move in file.
1187         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1188         (Target_x86_64::x86_64_info): Initialize
1189         can_icf_inline_merge_sections.
1190         * testsuite/testfile.cc (Target_test::test_target_info):
1191         Likewise.
1192         * icf.cc (get_section_contents): Correct formatting.
1193
1194 2011-06-27  Ian Lance Taylor  <iant@google.com>
1195
1196         * symtab.cc (Symbol::versioned_name): New function.
1197         (Symbol_table::add_to_final_symtab): Use versioned_name when
1198         appropriate.
1199         (Symbol_table::sized_write_symbol): Likewise.
1200         * symtab.h (class Symbol): Declare versioned_name.
1201         * stringpool.h (class Stringpool_template): Add variant of add
1202         which takes a std::basic_string.
1203         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1204         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1205         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1206         (ver_test_12.o): New target.
1207         * testsuite/Makefile.in: Rebuild.
1208
1209 2011-06-27  Doug Kwan  <dougkwan@google.com>
1210
1211         * arm.cc (Arm_relocate_functions::thm_jump8,
1212         Arm_relocate_functions::thm_jump11): Use a wider signed
1213         type to compute offset.
1214         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1215         arm_thm_jump8.
1216         * testsuite/Makefile.in: Regenerate.
1217         * testsuite/arm_branch_in_range.sh: Check test results of
1218         arm_thm_jump11 and arm_thm_jump8.
1219         * testsuite/arm_thm_jump11.s: New test source file.
1220         * testsuite/arm_thm_jump11.t: New linker script.
1221         * testsuite/arm_thm_jump8.s: New test source file.
1222         * testsuite/arm_thm_jump8.t: New linker script.
1223
1224 2011-06-24  Ian Lance Taylor  <iant@google.com>
1225
1226         * layout.cc: Include "object.h".
1227         (ctors_sections_in_init_array): New static variable.
1228         (Layout::is_ctors_in_init_array): New function.
1229         (Layout::layout): Add entry to ctors_sections_in_init_array if
1230         appropriate.
1231         * layout.h (class Layout): Declare is_ctors_in_init_array.
1232         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1233         is_ctors_reverse_view is set.
1234         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1235         all callers.  Set is_ctors_reverse_view field of View_size.
1236         (Sized_relobj_file::reverse_words): New function.
1237         * object.h (Sized_relobj_file::View_size): Add
1238         is_ctors_reverse_view field.
1239         (class Sized_relobj_file): Update declarations.
1240         * testsuite/initpri3.c: New test.
1241         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1242         initpri3b.
1243         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1244         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1245         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1246         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1247         * testsuite/Makefile.in: Rebuild.
1248
1249 2011-06-24  Cary Coutant  <ccoutant@google.com>
1250
1251         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1252         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1253         (debug_msg_cdebug.err): New targets.
1254         * testsuite/Makefile.in: Regenerate.
1255         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1256         Fix checks for link with shared library.
1257
1258 2011-06-24  Doug Kwan  <dougkwan@google.com>
1259
1260         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1261         skip empty text sections.
1262         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1263
1264 2011-06-22  Ian Lance Taylor  <iant@google.com>
1265
1266         PR gold/12910
1267         * options.h (class General_options): Add --ctors-in-init-array.
1268         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1269         friends as SHT_PROGBITS for merging sections.
1270         (Layout::layout): Remove special handling of .init_array and
1271         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1272         and .dtors if ctors_in_init_array.
1273         (Layout::make_output_section): Force correct section types for
1274         .init_array and friends.  Don't sort if doing relocatable link,
1275         Don't sort .ctors and .dtors if ctors_in_init_array.
1276         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1277         (Layout::output_section_name): Add relobj parameter.  Change all
1278         callers.  Handle .ctors. and .dtors. in code rather than table.
1279         Handle .ctors and .dtors if ctors_in_init_array.
1280         (Layout::match_file_name): New function, moved from output.cc.
1281         * layout.h (class Layout): Update declarations.
1282         * output.cc: Include "layout.h".
1283         (Input_section_sort_entry::get_priority): New function.
1284         (Input_section_sort_entry::match_file_name): Just call
1285         Layout::match_file_name.
1286         (Output_section::Input_section_sort_init_fini_compare::operator()):
1287         Handle .ctors and .dtors.  Sort by explicit priority rather than
1288         by name.
1289         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1290         * testsuite/initpri2.c: New test.
1291         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1292         (check_PROGRAMS): Add initpri2.
1293         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1294         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1295         * configure, testsuite/Makefile.in: Rebuild.
1296
1297 2011-06-19  Ian Lance Taylor  <iant@google.com>
1298
1299         PR gold/12880
1300         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1301         .interp section to a PT_INTERP segment even if we have seen a
1302         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1303         clause in a linker script.
1304         (Layout::finalize): Don't create a .interp section if we've
1305         already create a PT_INTERP segment.
1306         (Layout::create_interp): Always call choose_output_section (revert
1307         patch of 2011-06-17).  Don't create PT_INTERP segment.
1308         * script-sections.cc
1309         (Script_sections::create_note_and_tls_segments): Add a .interp
1310         section to a PT_INTERP segment even if we have seen a
1311         --dynamic-linker option.
1312
1313 2011-06-18  Ian Lance Taylor  <iant@google.com>
1314
1315         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1316         merely because a non-PT_LOAD segment has a dynamic reloc.
1317
1318 2011-06-18  Ian Lance Taylor  <iant@google.com>
1319
1320         * layout.cc (Layout::finish_dynamic_section): Don't create
1321         DT_FLAGS entry if not needed.
1322
1323 2011-06-18  Ian Lance Taylor  <iant@google.com>
1324
1325         PR gold/12745
1326         * layout.cc (Layout::layout_eh_frame): Correct handling of
1327         writable .eh_frame section.
1328
1329 2011-06-17  Ian Lance Taylor  <iant@google.com>
1330
1331         PR gold/12893
1332         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1333         symbol is redefined with the exact same object and value.
1334
1335 2011-06-17  Ian Lance Taylor  <iant@google.com>
1336
1337         PR gold/12880
1338         * layout.h (class Layout): Add interp_segment_ field.
1339         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1340         (Layout::attach_allocated_section_to_segment): If making shared
1341         library, put .interp section in PT_INTERP segment.
1342         (Layout::finalize): Also call create_interp if -dynamic-linker
1343         option was used.
1344         (Layout::create_interp): Assert that there is no PT_INTERP
1345         segment.  If not using a SECTIONS clause, use make_output_section.
1346         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1347         * script-sections.cc
1348         (Script_sections::create_note_and_tls_segments): If making shared
1349         library, put .interp section in PT_INTERP segment.
1350
1351 2011-06-17  Ian Lance Taylor  <iant@google.com>
1352
1353         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1354         when making a shared library.
1355
1356 2011-06-17  Ian Lance Taylor  <iant@google.com>
1357
1358         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1359         parameter.  Change all callers.  Don't issue warning about PC32
1360         against locally defined symbol.
1361
1362 2011-06-16  Ian Lance Taylor  <iant@google.com>
1363
1364         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1365         occurs in same object.
1366
1367 2011-06-14  Alan Modra  <amodra@gmail.com>
1368
1369         * po/POTFILES.in: Regenerate.
1370
1371 2011-06-09  Ian Lance Taylor  <iant@google.com>
1372
1373         * script-sections.cc
1374         (Orphan_output_section::set_section_addresses): For a relocatable
1375         link set address to 0.
1376
1377 2011-06-09  Cary Coutant  <ccoutant@google.com>
1378
1379         PR gold/12804
1380         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1381         used with --compress-debug-sections.
1382         * gold/object.cc (Sized_relobj_file::do_layout): Report
1383         uncompressed size of compressed input sections.
1384
1385 2011-06-08  Cary Coutant  <ccoutant@google.com>
1386
1387         PR gold/12804
1388         * testsuite/two_file_test_2_v1.cc: Change initialization of
1389         v2 to keep it in .data.
1390
1391 2011-06-07  Cary Coutant  <ccoutant@google.com>
1392
1393         * common.cc (Symbol_table::do_allocate_commons_list): Call
1394         gold_fallback.
1395         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1396         (Errors::fallback): New function.
1397         (gold_fallback): New function.
1398         * errors.h (Errors::fallback): New function.
1399         * gold.cc (gold_exit): Change status parameter to enum; adjust
1400         all callers.
1401         (queue_initial_tasks): Call gold_fallback.
1402         * gold.h: Include cstdlib.
1403         (Exit_status): New enum type.
1404         (gold_exit): Change status parameter to enum.
1405         (gold_fallback): New function.
1406         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1407         (Layout::create_symtab_sections): Likewise.
1408         (Layout::create_shdrs): Likewise.
1409         * main.cc (main): Adjust call to gold_exit.
1410         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1411         (Output_data_got::add_got_entry_pair): Likewise.
1412         (Output_section::add_input_section): Likewise.
1413         (Output_section::add_output_section_data): Likewise.
1414         (Output_segment::set_section_list_addresses): Likewise.
1415         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1416
1417 2011-06-07  Cary Coutant  <ccoutant@google.com>
1418
1419         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1420         for incremental links.
1421         * output.cc (Output_segment::set_section_list_addresses): Remove
1422         FIXME and test for TLS or BSS.
1423
1424 2011-06-07  Cary Coutant  <ccoutant@google.com>
1425
1426         * testsuite/Makefile.am: Add incremental_copy_test,
1427         incremental_common_test_1.
1428         * testsuite/Makefile.in: Regenerate.
1429         * testsuite/common_test_1_v1.c: New source file.
1430         * testsuite/common_test_1_v2.c: New source file.
1431         * testsuite/copy_test_v1.cc: New source file.
1432
1433 2011-06-07  Cary Coutant  <ccoutant@google.com>
1434
1435         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1436         update, allocate common from bss section's free list.
1437         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1438         linker-defined symbols.
1439         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1440         Skip GOT and PLT entries that are no longer referenced.
1441         (Output_section_incremental_inputs::write_info_blocks): Mark
1442         linker-defined symbols.
1443         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1444         * output.cc (Output_section::allocate): New function.
1445         * output.h (Output_section::allocate): New function.
1446         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1447         linker-defined symbols.
1448         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1449         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1450         (Symbol::init_base_output_data): Likewise.
1451         (Symbol::init_base_output_segment): Likewise.
1452         (Symbol::init_base_constant): Likewise.
1453         (Sized_symbol::init_output_data): Likewise.
1454         (Sized_symbol::init_output_segment): Likewise.
1455         (Sized_symbol::init_constant): Likewise.
1456         (Symbol_table::do_define_in_output_data): Likewise.
1457         (Symbol_table::do_define_in_output_segment): Likewise.
1458         (Symbol_table::do_define_as_constant): Likewise.
1459         * symtab.h (Symbol::is_predefined): New function.
1460         (Symbol::init_base_output_data): Add is_predefined parameter.
1461         (Symbol::init_base_output_segment): Likewise.
1462         (Symbol::init_base_constant): Likewise.
1463         (Symbol::is_predefined_): New data member.
1464         (Sized_symbol::init_output_data): Add is_predefined parameter.
1465         (Sized_symbol::init_output_segment): Likewise.
1466         (Sized_symbol::init_constant): Likewise.
1467         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1468
1469 2011-06-07  Cary Coutant  <ccoutant@google.com>
1470
1471         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1472         instead of emit_copy_reloc.
1473         (Copy_relocs::emit_copy_reloc): Refactor.
1474         (Copy_relocs::make_copy_reloc): New function.
1475         (Copy_relocs::add_copy_reloc): Remove.
1476         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1477         section.
1478         (Copy_relocs::make_copy_reloc): New function.
1479         (Copy_relocs::add_copy_reloc): Remove.
1480         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1481         unchanged input files.
1482         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1483         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1484         Reserve BSS space for COPY relocations.
1485         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1486         (Output_section_incremental_inputs::write_info_blocks): Record
1487         whether a symbol is copied from a shared object.
1488         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1489         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1490         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1491         (Incremental_input_entry_reader::get_output_symbol_index): Add
1492         is_copy parameter.
1493         (Incremental_binary::emit_copy_relocs): New function.
1494         (Incremental_binary::do_emit_copy_relocs): New function.
1495         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1496         new data member.
1497         (Sized_incremental_binary::add_copy_reloc): New function.
1498         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1499         (Sized_incremental_binary::Copy_reloc): New struct.
1500         (Sized_incremental_binary::Copy_relocs): New typedef.
1501         (Sized_incremental_binary::copy_relocs_): New data member.
1502         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1503         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1504         * target.h (Sized_target::emit_copy_reloc): New function.
1505         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1506
1507 2011-06-02  Cary Coutant  <ccoutant@google.com>
1508
1509         PR gold/12163
1510         * gold/archive.cc (Archive::Archive): Initialize new data member.
1511         (Archive::include_all_members): Return if archive has already been
1512         included.
1513         * gold/archive.h (Archive::include_all_members_): New data member.
1514
1515 2011-06-02  Nick Clifton  <nickc@redhat.com>
1516
1517         * dynobj.h: Fix spelling mistake in comment.
1518         * output.cc: Likewise.
1519
1520 2011-05-31  Doug Kwan  <dougkwan@google.com>
1521             Asier Llano
1522
1523         PR gold/12826
1524         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1525         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1526         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1527         redundant arm_exidx_test.so.
1528         * testsuite/Makefile.in: Regenerate.
1529         (check_SCRIPTS): Add pr12826.sh
1530         (check_DATA): Add pr12826.stdout
1531         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1532         * testsuite/pr12826.sh: New file.
1533         * testsuite/pr12826_1.s: Ditto.
1534         * testsuite/pr12826_1.s: Ditto.
1535
1536 2011-05-30  Ian Lance Taylor  <iant@google.com>
1537
1538         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1539         sections.
1540
1541 2011-05-29  Ian Lance Taylor  <iant@google.com>
1542
1543         PR gold/12804
1544         * testsuite/Makefile.am: Use different file name for two_file_test
1545         temporary file for each incremental test.
1546         * testsuite/Makefile.in: Rebuild.
1547
1548 2011-05-29  Ian Lance Taylor  <iant@google.com>
1549
1550         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1551         binary input file is empty.
1552
1553 2011-05-27  Ian Lance Taylor  <iant@google.com>
1554
1555         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1556         (ver_test_9.so): Likewise.
1557         * testsuite/Makefile.in: Rebuild.
1558
1559 2011-05-26 Cary Coutant  <ccoutant@google.com>
1560
1561         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1562         * incremental.cc (Incremental_inputs::report_input_section): Fix
1563         comment, indentation.
1564         (Incremental_inputs::report_comdat_group): New function.
1565         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1566         of data for incremental input file entry.
1567         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1568         group count, COMDAT group signatures.
1569         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1570         an unchanged input file.
1571         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1572         Initialize new data member.
1573         (Incremental_object_entry::add_comdat_group): New function.
1574         (Incremental_object_entry::get_comdat_group_count): New function.
1575         (Incremental_object_entry::get_comdat_signature_key): New function.
1576         (Incremental_object_entry::groups_): New data member.
1577         (Incremental_inputs::report_comdat_group): New function.
1578         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1579         data for incremental input file entry.
1580         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1581         (Incremental_input_entry_reader::get_input_section): Adjust size of
1582         data for incremental input file entry.
1583         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1584         (Incremental_input_entry_reader::get_comdat_group_signature): New
1585         function.
1586         * object.cc (Sized_relobj::include_section_group): Report kept
1587         COMDAT groups for incremental links.
1588
1589 2011-05-24  David Meyer  <pdox@google.com>
1590
1591         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1592         with name parameter.  Add found_name parameter.
1593         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1594         * dirsearch.h (class Dirsearch): Update declaration.
1595
1596 2011-05-24  Ian Lance Taylor  <iant@google.com>
1597
1598         * archive.cc (Library_base::should_include_member): Pull in object
1599         from archive if it defines the entry symbol.
1600         * parameters.cc (Parameters::entry): New function.
1601         * parameters.h (class Parameters): Declare entry.
1602         * output.h (class Output_file_header): Remove entry_ field.
1603         * output.cc (Output_file_header::Output_file_header): Remove entry
1604         parameter.  Change all callers.
1605         (Output_file_header::entry): Use parameters->entry.
1606         * gold.cc (queue_middle_tasks): Likewise.
1607         * plugin.cc (Plugin_hook::run): Likewise.
1608
1609 2011-05-24 Cary Coutant  <ccoutant@google.com>
1610
1611         * gold.cc (queue_initial_tasks): Pass incremental base filename
1612         to Output_file::open_base_file; don't print error message.
1613         * incremental-dump.cc (main): Adjust call to
1614         Output_file::open_for_modification.
1615         * incremental-dump.cc (main): Likewise.
1616         * incremental.cc (Incremental_inputs::report_command_line):
1617         Ignore --incremental-base option when comparing command lines.
1618         Ignore parameter when given as separate argument.
1619         * options.h (class General_options): Add --incremental-base.
1620         * output.cc (Output_file::Output_file):
1621         (Output_file::open_base_file): Add base_name and writable parameters;
1622         read base file into new file; print error message here.
1623         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1624         callers.
1625         * output.h (Output_file::open_for_modification): Rename to...
1626         (Output_file::open_base_file): ...this; add base_name and
1627         writable parameters; adjust all callers.
1628         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1629         callers.
1630         * testsuite/Makefile.am (incremental_test_4): Test
1631         --incremental-base.
1632         * testsuite/Makefile.in: Regenerate.
1633
1634 2011-05-24 Cary Coutant  <ccoutant@google.com>
1635
1636         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1637         incremental_test_4.
1638         * testsuite/Makefile.in: Regenerate.
1639         * testsuite/two_file_test_1_v1.cc: New test source file.
1640         * testsuite/two_file_test_1b_v1.cc: New test source file.
1641         * testsuite/two_file_test_2_v1.cc: New test source file.
1642
1643 2011-05-24 Cary Coutant  <ccoutant@google.com>
1644
1645         * dynobj.h (Dynobj::do_dynobj): New function.
1646         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1647         flag and soname for shared objects.
1648         * incremental.cc (Incremental_inputs::report_object): Make
1649         either Incremental_object_entry or Incremental_dynobj_entry; add
1650         soname to string table.
1651         (Incremental_inputs::report_input_section): Add assertion.
1652         (Output_section_incremental_inputs::set_final_data_size): Adjust
1653         type of input file entry for shared libraries; adjust size of
1654         shared library info entry.
1655         (Output_section_incremental_inputs::write_input_files): Write
1656         as_needed flag for shared libraries.
1657         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1658         of input file entry for shared libraries; write soname.
1659         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1660         soname from incremental info.
1661         * incremental.h (enum Incremental_input_flags): Add
1662         INCREMENTAL_INPUT_AS_NEEDED.
1663         (Incremental_input_entry::Incremental_input_entry): Initialize new
1664         data member.
1665         (Incremental_input_entry::set_as_needed): New function.
1666         (Incremental_input_entry::as_needed): New function.
1667         (Incremental_input_entry::do_dynobj_entry): New function.
1668         (Incremental_input_entry::as_needed_): New data member.
1669         (Incremental_object_entry::Incremental_object_entry): Don't check
1670         for shared library.
1671         (Incremental_object_entry::do_type): Likewise.
1672         (class Incremental_dynobj_entry): New class.
1673         (Incremental_input_entry_reader::as_needed): New function.
1674         (Incremental_input_entry_reader::get_soname): New function.
1675         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1676         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1677         size of shared library info entry.
1678         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1679         incremental link when adding DT_NEEDED entries.
1680         * object.h (Object::Object): Initialize new data member.
1681         (Object::dynobj): New function.
1682         (Object::set_as_needed): New function.
1683         (Object::as_needed): New function.
1684         (Object::do_dynobj): New function.
1685         (Object::as_needed_): New data member.
1686
1687 2011-05-24 Cary Coutant  <ccoutant@google.com>
1688
1689         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1690         info; adjust display of GOT entries.
1691         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1692         vector of input objects; remove file_status_.
1693         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1694         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1695         got_plt reader; call target hooks to reserve GOT entries.
1696         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1697         of input file info header and GOT info entry.
1698         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1699         relocation info.
1700         (Got_plt_view_info::got_descriptor): Remove.
1701         (Got_plt_view_info::sym_index): New data member.
1702         (Got_plt_view_info::input_index): New data member.
1703         (Local_got_offset_visitor::visit): Write input file index.
1704         (Global_got_offset_visitor::visit): Write 0 for input file index.
1705         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1706         with sym_index and input_index.
1707         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1708         incremental info GOT entry; replace got_descriptor with input_index.
1709         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1710         map from input file index to object.
1711         (Sized_relobj_incr::do_layout): Replace direct data member reference
1712         with accessor function.
1713         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1714         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1715         Adjust size of input file info header.
1716         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1717         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1718         (Incremental_input_entry_reader::get_input_section): Adjust size of
1719         input file info header.
1720         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1721         of incremental info GOT entry.
1722         (Incremental_got_plt_reader::get_got_desc): Remove.
1723         (Incremental_got_plt_reader::get_got_symndx): New function.
1724         (Incremental_got_plt_reader::get_got_input_index): New function.
1725         (Sized_incremental_binary::Sized_incremental_binary): Remove
1726         file_status_; add input_objects_.
1727         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1728         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1729         (Sized_incremental_binary::file_is_unchanged): Remove.
1730         (Sized_incremental_binary::set_input_object): New function.
1731         (Sized_incremental_binary::input_object): New function.
1732         (Sized_incremental_binary::file_status_): Remove.
1733         (Sized_incremental_binary::input_objects_): New data member.
1734         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1735         references.
1736         (Sized_relobj_incr::invalid_address): Move to base class.
1737         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1738         class.
1739         (Sized_relobj_incr::do_output_section_offset): Likewise.
1740         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1741         (Sized_relobj_incr::section_offsets_): Likewise.
1742         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1743         function.
1744         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1745         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1746         with accessor function.
1747         (Sized_relobj_file::do_layout): Likewise.
1748         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1749         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1750         (Sized_relobj_file::compute_final_local_value): Replace refs to
1751         section_offsets_ with accessor function.
1752         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1753         * object.h (Relobj::Relobj): Initialize new data members.
1754         (Relobj::add_dyn_reloc): New function.
1755         (Relobj::first_dyn_reloc): New function.
1756         (Relobj::dyn_reloc_count): New function.
1757         (Relobj::first_dyn_reloc_): New data member.
1758         (Relobj::dyn_reloc_count_): New data member.
1759         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1760         references.
1761         (Sized_relobj::Address): New typedef.
1762         (Sized_relobj::invalid_address): Move here from child class.
1763         (Sized_relobj::Sized_relobj): Initialize new data members.
1764         (Sized_relobj::sized_relobj): New function.
1765         (Sized_relobj::is_output_section_offset_invalid): Move here from
1766         child class.
1767         (Sized_relobj::get_output_section_offset): Likewise.
1768         (Sized_relobj::local_has_got_offset): Likewise.
1769         (Sized_relobj::local_got_offset): Likewise.
1770         (Sized_relobj::set_local_got_offset): Likewise.
1771         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1772         (Sized_relobj::clear_got_offsets): New function.
1773         (Sized_relobj::section_offsets): Move here from child class.
1774         (Sized_relobj::do_output_section_offset): Likewise.
1775         (Sized_relobj::do_set_section_offset): Likewise.
1776         (Sized_relobj::Local_got_offsets): Likewise.
1777         (Sized_relobj::local_got_offsets_): Likewise.
1778         (Sized_relobj::section_offsets_): Likewise.
1779         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1780         references.
1781         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1782         class.
1783         (Sized_relobj_file::sized_relobj): New function
1784         (Sized_relobj_file::local_has_got_offset): Move to base class.
1785         (Sized_relobj_file::local_got_offset): Likewise.
1786         (Sized_relobj_file::set_local_got_offset): Likewise.
1787         (Sized_relobj_file::get_output_section_offset): Likewise.
1788         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1789         (Sized_relobj_file::do_output_section_offset): Likewise.
1790         (Sized_relobj_file::do_set_section_offset): Likewise.
1791         (Sized_relobj_file::Local_got_offsets): Likewise.
1792         (Sized_relobj_file::local_got_offsets_): Likewise.
1793         (Sized_relobj_file::section_offsets_): Likewise.
1794         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1795         (all constructors).
1796         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1797         (Output_reloc::get_symbol_index): Likewise.
1798         (Output_reloc::local_section_offset): Likewise.
1799         (Output_reloc::get_address): Likewise.
1800         (Output_reloc::symbol_value): Likewise.
1801         (Output_data_got::reserve_slot): Move to class definition.
1802         (Output_data_got::reserve_local): New function.
1803         (Output_data_got::reserve_slot_for_global): Remove.
1804         (Output_data_got::reserve_global): New function.
1805         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1806         (all constructors, two instantiations).
1807         (Output_reloc::get_relobj): New function (two instantiations).
1808         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1809         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1810         (Output_data_reloc::add_global): Adjust type of relobj.
1811         (Output_data_reloc::add_global_relative): Likewise.
1812         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1813         (Output_data_reloc::add_local): Likewise.
1814         (Output_data_reloc::add_local_relative): Likewise.
1815         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1816         (Output_data_reloc::add_local_section): Likewise.
1817         (Output_data_reloc::add_output_section): Likewise.
1818         (Output_data_reloc::add_absolute): Likewise.
1819         (Output_data_reloc::add_target_specific): Likewise.
1820         (Output_data_got::reserve_slot): Move definition here.
1821         (Output_data_got::reserve_local): New function.
1822         (Output_data_got::reserve_global): New function.
1823         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1824         section_offsets_ with accessor function.
1825         (Sized_relobj_file::write_sections): Likewise.
1826         (Sized_relobj_file::do_relocate_sections): Likewise.
1827         * target.h (Sized_target::reserve_local_got_entry): New function.
1828         (Sized_target::reserve_global_got_entry): New function.
1829         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1830         (Target_x86_64::reserve_global_got_entry): New function.
1831         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1832
1833 2011-05-23 Cary Coutant  <ccoutant@google.com>
1834
1835         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1836         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1837         bit when checking got_type.
1838         * incremental.cc (Sized_incremental_binary::setup_readers):
1839         Store symbol table and string table locations; initialize bit vector
1840         of file status flags.
1841         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1842         unchanged files.
1843         (Sized_incremental_binary::do_process_got_plt): New function.
1844         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1845         (Output_section_incremental_inputs::set_final_data_size): Record
1846         file index for each input file.
1847         (Output_section_incremental_inputs::write_got_plt): Store file index
1848         instead of input entry offset for each GOT entry.
1849         * incremental.h
1850         (Incremental_input_entry::Incremental_input_entry): Initialize new
1851         data member.
1852         (Incremental_input_entry::set_offset): Store file index.
1853         (Incremental_input_entry::get_file_index): New function.
1854         (Incremental_input_entry::file_index_): New data member.
1855         (Incremental_binary::process_got_plt): New function.
1856         (Incremental_binary::do_process_got_plt): New function.
1857         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1858         data members.
1859         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1860         (Sized_incremental_binary::set_file_is_unchanged): New function.
1861         (Sized_incremental_binary::file_is_unchanged): New function.
1862         (Sized_incremental_binary::do_process_got_plt): New function.
1863         (Sized_incremental_binary::file_status_): New data member.
1864         (Sized_incremental_binary::main_symtab_loc_): New data member.
1865         (Sized_incremental_binary::main_strtab_loc_): New data member.
1866         * output.cc (Output_data_got::Got_entry::write): Add case
1867         RESERVED_CODE.
1868         (Output_data_got::add_global): Call add_got_entry.
1869         (Output_data_got::add_global_plt): Likewise.
1870         (Output_data_got::add_global_with_rel): Likewise.
1871         (Output_data_got::add_global_with_rela): Likewise.
1872         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1873         (Output_data_got::add_global_pair_with_rela): Likewise.
1874         (Output_data_got::add_local): Call add_got_entry.
1875         (Output_data_got::add_local_plt): Likewise.
1876         (Output_data_got::add_local_with_rel): Likewise.
1877         (Output_data_got::add_local_with_rela): Likewise.
1878         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1879         (Output_data_got::add_local_pair_with_rela): Likewise.
1880         (Output_data_got::reserve_slot): New function.
1881         (Output_data_got::reserve_slot_for_global): New function.
1882         (Output_data_got::add_got_entry): New function.
1883         (Output_data_got::add_got_entry_pair): New function.
1884         (Output_section::add_output_section_data): Edit FIXME.
1885         * output.h
1886         (Output_section_data_build::Output_section_data_build): New
1887         constructor with size parameter.
1888         (Output_data_space::Output_data_space): Likewise.
1889         (Output_data_got::Output_data_got): Initialize new data member; new
1890         constructor with size parameter.
1891         (Output_data_got::add_constant): Call add_got_entry.
1892         (Output_data_got::reserve_slot): New function.
1893         (Output_data_got::reserve_slot_for_global): New function.
1894         (class Output_data_got::Got_entry): Add RESERVED_CODE.
1895         (Output_data_got::add_got_entry): New function.
1896         (Output_data_got::add_got_entry_pair): New function.
1897         (Output_data_got::free_list_): New data member.
1898         * target.h (Sized_target::init_got_plt_for_update): New function.
1899         (Sized_target::register_global_plt_entry): New function.
1900         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1901         Initialize new data member; call init; add constructor with PLT count.
1902         (Output_data_plt_x86_64::init): New function.
1903         (Output_data_plt_x86_64::add_relocation): New function.
1904         (Output_data_plt_x86_64::reserve_slot): New function.
1905         (Output_data_plt_x86_64::free_list_): New data member.
1906         (Target_x86_64::init_got_plt_for_update): New function.
1907         (Target_x86_64::register_global_plt_entry): New function.
1908         (Output_data_plt_x86_64::add_entry): Allocate from free list for
1909         incremental updates.
1910         (Output_data_plt_x86_64::add_relocation): New function.
1911         * testsuite/object_unittest.cc (Object_test): Set default options.
1912
1913 2011-05-16  Ian Lance Taylor  <iant@google.com>
1914
1915         * options.h (class General_options): Make -i a synonym for -r.
1916
1917 2011-05-16  Ian Lance Taylor  <iant@google.com>
1918
1919         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1920
1921 2011-05-10 Cary Coutant  <ccoutant@google.com>
1922
1923         * object.cc (Sized_relobj::do_count_local_symbols): Check for
1924         strip_all (-s).
1925
1926 2011-05-06  Ian Lance Taylor  <iant@google.com>
1927
1928         * layout.cc (Layout::layout): If the output section flags change,
1929         update the ordering.
1930
1931 2011-04-25 Cary Coutant  <ccoutant@google.com>
1932
1933         * incremental-dump.cc (dump_incremental_inputs): Print local
1934         symbol info for each input file.
1935         * incremental.cc
1936         (Output_section_incremental_inputs::set_final_data_size): Add local
1937         symbol info to input file entries in incremental info.
1938         (Output_section_incremental_inputs::write_info_blocks): Likewise.
1939         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1940         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1941         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1942         implementation.
1943         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1944         (Sized_incr_relobj::do_relocate): Write the local symbols.
1945         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1946         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1947         Adjust size of input file header.
1948         (Incremental_inputs_reader::get_local_symbol_offset): New function.
1949         (Incremental_inputs_reader::get_local_symbol_count): New function.
1950         (Incremental_inputs_reader::get_input_section): Adjust size of input
1951         file header.
1952         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1953         (Sized_incr_relobj::This): New typedef.
1954         (Sized_incr_relobj::sym_size): New const data member.
1955         (Sized_incr_relobj::Local_symbol): New struct.
1956         (Sized_incr_relobj::do_output_local_symbol_count): New function.
1957         (Sized_incr_relobj::do_local_symbol_offset): New function.
1958         (Sized_incr_relobj::local_symbol_count_): New data member.
1959         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1960         (Sized_incr_relobj::local_symbol_index_): New data member.
1961         (Sized_incr_relobj::local_symbol_offset_): New data member.
1962         (Sized_incr_relobj::local_dynsym_offset_): New data member.
1963         (Sized_incr_relobj::local_symbols_): New data member.
1964         * object.h (Relobj::output_local_symbol_count): New function.
1965         (Relobj::local_symbol_offset): New function.
1966         (Relobj::do_output_local_symbol_count): New function.
1967         (Relobj::do_local_symbol_offset): New function.
1968         (Sized_relobj::do_output_local_symbol_count): New function.
1969         (Sized_relobj::do_local_symbol_offset): New function.
1970
1971 2011-04-22  Vladimir Simonov  <sv@sw.ru>
1972
1973         * descriptors.cc (set_close_on_exec): New function.
1974         (Descriptors::open): Use set_close_on_exec.
1975         * output.cc (S_ISLNK): Define if not defined.
1976
1977 2011-04-22 Cary Coutant  <ccoutant@google.com>
1978
1979         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1980         global symbol map.
1981         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1982         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1983         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1984         relocations.
1985         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1986         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1987         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1988         * incremental.h
1989         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1990         function.
1991         (Incremental_binary::apply_incremental_relocs): New function.
1992         (Incremental_binary::do_apply_incremental_relocs): New function.
1993         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1994         data member.
1995         (Sized_incremental_binary::add_global_symbol): New function.
1996         (Sized_incremental_binary::global_symbol): New function.
1997         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1998         (Sized_incremental_binary::symbol_map_): New data member.
1999         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2000         * target.h (Sized_target::apply_relocation): New function.
2001         * target-reloc.h (apply_relocation): New function.
2002         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2003
2004 2011-04-22  Doug Kwan  <dougkwan@google.com>
2005
2006         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2007         flag of a SHT_ARM_EXIDX section.
2008         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2009         * testsuite/Makefile.in: Regenerate.
2010         * testsuite/arm_exidx_test.s: New file.
2011         * testsuite/arm_exidx_test.sh: Same.
2012
2013 2011-04-20 Cary Coutant  <ccoutant@google.com>
2014
2015         PR gold/12689
2016         * archive.h (Incremental_archive_entry::Archive_member):
2017         Initialize arg_serial_ (second constructor).
2018
2019 2011-04-17  Ian Lance Taylor  <iant@google.com>
2020
2021         * object.cc (Relocate_info::location): Simplify location string.
2022         * errors.cc (Errors::error_at_location): Don't print program
2023         name.
2024         (Errors::warning_at_location): Likewise.
2025         (Errors::undefined_symbol): Likewise.
2026         * testsuite/debug_msg.sh: Update accordingly.
2027
2028 2011-04-14 Cary Coutant  <ccoutant@google.com>
2029
2030         * gold/layout.cc (Layout::symtab_section_offset): New function.
2031         * gold/layout.h (Layout::symtab_section_offset): New function.
2032         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2033
2034 2011-04-12  Ian Lance Taylor  <iant@google.com>
2035
2036         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2037         with MREMAP_MAYMOVE.
2038         * output.h (class Output_file): Add map_is_allocated_ field.
2039         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2040         not available, provide stubs.  If mremap is not available, #define
2041         it to gold_mremap.
2042         (MREMAP_MAYMOVE): Define if not defined.
2043         (Output_file::Output_file): Initialize map_is_allocated_.
2044         (Output_file::resize): Check map_is_allocated_.
2045         (Output_file::map_anonymous): If mmap fails, use malloc.
2046         (Output_file::unmap): Don't do anything for an anonymous map.
2047         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2048         is not available, provide stubs.
2049         (File_read::View::~View): Use free rather than delete[].
2050         (File_read::make_view): Use malloc rather than new[].  If mmap
2051         fails, use malloc.
2052         (File_read::find_or_make_view): Use malloc rather than new[].
2053         * gold.h: Remove HAVE_REMAP code.
2054         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2055         exists.  Rename mremap to gold_mremap.  If mmap is not available
2056         don't do anything.
2057         * configure, config.in: Rebuild.
2058
2059 2011-04-11  Ian Lance Taylor  <iant@google.com>
2060
2061         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2062         initialize local variable v.
2063
2064 2011-04-11  Cary Coutant  <ccoutant@google.com>
2065
2066         * archive.cc (Archive::include_member): Adjust call to
2067         report_object.
2068         (Add_archive_symbols::run): Track argument serial numbers.
2069         (Lib_group::include_member): Likewise.
2070         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2071         * archive.h (Incremental_archive_entry::Archive_member):
2072         Initialize arg_serial_.
2073         (Archive_member::arg_serial_): New data member.
2074         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2075         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2076         incremental link.
2077         (Sized_dynobj::do_for_all_local_got_entries): New function.
2078         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2079         function.
2080         * fileread.cc (get_mtime): New function.
2081         * fileread.h (get_mtime): New function.
2082         * gold.cc (queue_initial_tasks): Check for incremental update.
2083         (process_incremental_input): New function.
2084         (queue_middle_tasks): Don't force valid target for incremental
2085         update.
2086         * incremental-dump.cc (find_input_containing_global): Adjust
2087         size of symbol info entry.
2088         (dump_incremental_inputs): Dump argument serial number and
2089         in_system_directory flag; bias shndx by 1; print symbol names
2090         when dumping per-file symbol lists; use new symbol info readers.
2091         * incremental.cc
2092         (Output_section_incremental_inputs:update_data_size): New function.
2093         (Sized_incremental_binary::setup_readers): Setup input readers
2094         for each input file; build maps for files added from libraries
2095         and scripts.
2096         (Sized_incremental_binary::check_input_args): New function.
2097         (Sized_incremental_binary::do_check_inputs): Build map of argument
2098         serial numbers to input arguments.
2099         (Sized_incremental_binary::do_file_has_changed): Rename
2100         do_file_is_unchanged to this; compare file modification times.
2101         (Sized_incremental_binary::do_init_layout): New function.
2102         (Sized_incremental_binary::do_reserve_layout): New function.
2103         (Sized_incremental_binary::do_get_input_reader): Remove.
2104         (Sized_incremental_binary::get_symtab_view): New function.
2105         (Incremental_checker::can_incrementally_link_output_file): Remove.
2106         (Incremental_inputs::report_command_line): Exclude --debug options.
2107         (Incremental_inputs::report_archive_begin): Add parameter; track
2108         argument serial numbers; don't put input file entry for archive
2109         before archive members.
2110         (Incremental_inputs::report_archive_end): Put input file entry
2111         for archive after archive members.
2112         (Incremental_inputs::report_object): Add parameter; track argument
2113         serial numbers and in_system_directory flag.
2114         (Incremental_inputs::report_script): Add parameter; track argument
2115         serial numbers.
2116         (Output_section_incremental_inputs::set_final_data_size): Adjust
2117         size of symbol info entry; check for forwarding symbols.
2118         (Output_section_incremental_inputs::write_input_files): Write
2119         in_system_directory flag and argument serial number.
2120         (Output_section_incremental_inputs::write_info_blocks): Map section
2121         indices between incremental info and original input file; store
2122         input section index for each symbol.
2123         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2124         change operator() to visit().
2125         (class Global_got_offset_visitor): Likewise.
2126         (class Global_symbol_visitor_got_plt):
2127         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2128         classes.
2129         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2130         (Sized_incr_relobj::do_read_symbols): New function.
2131         (Sized_incr_relobj::do_layout): New function.
2132         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2133         (Sized_incr_relobj::do_add_symbols): New function.
2134         (Sized_incr_relobj::do_should_include_member): New function.
2135         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2136         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2137         (Sized_incr_relobj::do_section_size): New function.
2138         (Sized_incr_relobj::do_section_name): New function.
2139         (Sized_incr_relobj::do_section_contents): New function.
2140         (Sized_incr_relobj::do_section_flags): New function.
2141         (Sized_incr_relobj::do_section_entsize): New function.
2142         (Sized_incr_relobj::do_section_address): New function.
2143         (Sized_incr_relobj::do_section_type): New function.
2144         (Sized_incr_relobj::do_section_link): New function.
2145         (Sized_incr_relobj::do_section_info): New function.
2146         (Sized_incr_relobj::do_section_addralign): New function.
2147         (Sized_incr_relobj::do_initialize_xindex): New function.
2148         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2149         (Sized_incr_relobj::do_read_relocs): New function.
2150         (Sized_incr_relobj::do_gc_process_relocs): New function.
2151         (Sized_incr_relobj::do_scan_relocs): New function.
2152         (Sized_incr_relobj::do_count_local_symbols): New function.
2153         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2154         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2155         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2156         (Sized_incr_relobj::do_relocate): New function.
2157         (Sized_incr_relobj::do_set_section_offset): New function.
2158         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2159         (Sized_incr_dynobj::do_read_symbols): New function.
2160         (Sized_incr_dynobj::do_layout): New function.
2161         (Sized_incr_dynobj::do_add_symbols): New function.
2162         (Sized_incr_dynobj::do_should_include_member): New function.
2163         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2164         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2165         (Sized_incr_dynobj::do_section_size): New function.
2166         (Sized_incr_dynobj::do_section_name): New function.
2167         (Sized_incr_dynobj::do_section_contents): New function.
2168         (Sized_incr_dynobj::do_section_flags): New function.
2169         (Sized_incr_dynobj::do_section_entsize): New function.
2170         (Sized_incr_dynobj::do_section_address): New function.
2171         (Sized_incr_dynobj::do_section_type): New function.
2172         (Sized_incr_dynobj::do_section_link): New function.
2173         (Sized_incr_dynobj::do_section_info): New function.
2174         (Sized_incr_dynobj::do_section_addralign): New function.
2175         (Sized_incr_dynobj::do_initialize_xindex): New function.
2176         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2177         (make_sized_incremental_object): New function.
2178         (Incremental_library::copy_unused_symbols): New function.
2179         (Incremental_library::do_for_all_unused_symbols): New function.
2180         * incremental.h (enum Incremental_input_flags): New type.
2181         (class Incremental_checker): Remove.
2182         (Incremental_input_entry::Incremental_input_entry): Add argument
2183         serial number.
2184         (Incremental_input_entry::arg_serial): New function.
2185         (Incremental_input_entry::set_is_in_system_directory): New function.
2186         (Incremental_input_entry::is_in_system_directory): New function.
2187         (Incremental_input_entry::arg_serial_): New data member.
2188         (Incremental_input_entry::is_in_system_directory_): New data member.
2189         (class Script_info): Move here from script.h.
2190         (Script_info::Script_info): Add filename parameter.
2191         (Script_info::filename): New function.
2192         (Script_info::filename_): New data member.
2193         (Incremental_script_entry::Incremental_script_entry): Add argument
2194         serial number.
2195         (Incremental_object_entry::Incremental_object_entry): Likewise.
2196         (Incremental_object_entry::add_input_section): Build list of input
2197         sections with map to original shndx.
2198         (Incremental_object_entry::get_input_section_index): New function.
2199         (Incremental_object_entry::shndx_): New data member.
2200         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2201         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2202         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2203         serial number.
2204         (Incremental_inputs::report_archive_begin): Likewise.
2205         (Incremental_inputs::report_object): Likewise.
2206         (Incremental_inputs::report_script): Likewise.
2207         (class Incremental_global_symbol_reader): New class.
2208         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2209         and store flags and input file type.
2210         (Incremental_input_entry_reader::arg_serial): New function.
2211         (Incremental_input_entry_reader::type): Extract type from flags.
2212         (Incremental_input_entry_reader::is_in_system_directory): New function.
2213         (Incremental_input_entry_reader::get_input_section_count): Call
2214         accessor function for type.
2215         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2216         function for type; adjust size of global symbol entry.
2217         (Incremental_input_entry_reader::get_global_symbol_count): Call
2218         accessor function for type.
2219         (Incremental_input_entry_reader::get_object_count): Likewise.
2220         (Incremental_input_entry_reader::get_object_offset): Likewise.
2221         (Incremental_input_entry_reader::get_member_count): Likewise.
2222         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2223         (Incremental_input_entry_reader::get_member_offset): Likewise.
2224         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2225         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2226         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2227         (Incremental_input_entry_reader::get_global_symbol_reader): New
2228         function.
2229         (Incremental_input_entry_reader::get_output_symbol_index): New
2230         function.
2231         (Incremental_input_entry_reader::type_): Remove.
2232         (Incremental_input_entry_reader::flags_): New data member.
2233         (Incremental_inputs_reader::input_file_offset): New function.
2234         (Incremental_inputs_reader::input_file_index): New function.
2235         (Incremental_inputs_reader::input_file): Call input_file_offset.
2236         (Incremental_inputs_reader::input_file_at_offset): New function.
2237         (Incremental_relocs_reader::get_r_type): Reformat.
2238         (Incremental_relocs_reader::get_r_shndx): Reformat.
2239         (Incremental_relocs_reader::get_r_offset): Reformat.
2240         (Incremental_relocs_reader::data): New function.
2241         (Incremental_binary::Incremental_binary): Initialize new data members.
2242         (Incremental_binary::check_inputs): Add cmdline parameter.
2243         (Incremental_binary::file_is_unchanged): Remove.
2244         (Input_reader::arg_serial): New function.
2245         (Input_reader::get_unused_symbol_count): New function.
2246         (Input_reader::get_unused_symbol): New function.
2247         (Input_reader::do_arg_serial): New function.
2248         (Input_reader::do_get_unused_symbol_count): New function.
2249         (Input_reader::do_get_unused_symbol): New function.
2250         (Incremental_binary::input_file_count): New function.
2251         (Incremental_binary::get_input_reader): Change signature to use
2252         index instead of filename.
2253         (Incremental_binary::file_has_changed): New function.
2254         (Incremental_binary::get_input_argument): New function.
2255         (Incremental_binary::get_library): New function.
2256         (Incremental_binary::get_script_info): New function.
2257         (Incremental_binary::init_layout): New function.
2258         (Incremental_binary::reserve_layout): New function.
2259         (Incremental_binary::output_file): New function.
2260         (Incremental_binary::do_check_inputs): New function.
2261         (Incremental_binary::do_file_is_unchanged): Remove.
2262         (Incremental_binary::do_file_has_changed): New function.
2263         (Incremental_binary::do_init_layout): New function.
2264         (Incremental_binary::do_reserve_layout): New function.
2265         (Incremental_binary::do_input_file_count): New function.
2266         (Incremental_binary::do_get_input_reader): Change signature.
2267         (Incremental_binary::input_args_map_): New data member.
2268         (Incremental_binary::library_map_): New data member.
2269         (Incremental_binary::script_map_): New data member.
2270         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2271         new data members.
2272         (Sized_incremental_binary::output_section): New function.
2273         (Sized_incremental_binary::inputs_reader): Add const.
2274         (Sized_incremental_binary::symtab_reader): Add const.
2275         (Sized_incremental_binary::relocs_reader): Add const.
2276         (Sized_incremental_binary::got_plt_reader): Add const.
2277         (Sized_incremental_binary::get_symtab_view): New function.
2278         (Sized_incremental_binary::Inputs_reader): New typedef.
2279         (Sized_incremental_binary::Input_entry_reader): New typedef.
2280         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2281         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2282         (Sized_incremental_binary::do_file_has_changed): New function.
2283         (Sized_incremental_binary::do_init_layout): New function.
2284         (Sized_incremental_binary::do_reserve_layout): New function.
2285         (Sized_input_reader::Inputs_reader): Remove.
2286         (Sized_input_reader::Input_entry_reader): Remove.
2287         (Sized_input_reader::do_arg_serial): New function.
2288         (Sized_input_reader::do_get_unused_symbol_count): New function.
2289         (Sized_input_reader::do_get_unused_symbol): New function.
2290         (Sized_incremental_binary::do_input_file_count): New function.
2291         (Sized_incremental_binary::do_get_input_reader): Change signature;
2292         use index instead of filename.
2293         (Sized_incremental_binary::section_map_): New data member.
2294         (Sized_incremental_binary::input_entry_readers_): New data member.
2295         (class Sized_incr_relobj): New class.
2296         (class Sized_incr_dynobj): New class.
2297         (make_sized_incremental_object): New function.
2298         (class Incremental_library): New class.
2299         * layout.cc (Free_list::num_lists): New static data member.
2300         (Free_list::num_nodes): New static data member.
2301         (Free_list::num_removes): New static data member.
2302         (Free_list::num_remove_visits): New static data member.
2303         (Free_list::num_allocates): New static data member.
2304         (Free_list::num_allocate_visits): New static data member.
2305         (Free_list::init): New function.
2306         (Free_list::remove): New function.
2307         (Free_list::allocate): New function.
2308         (Free_list::dump): New function.
2309         (Free_list::print_stats): New function.
2310         (Layout_task_runner::run): Resize output file for incremental updates.
2311         (Layout::Layout): Initialize new data members.
2312         (Layout::set_incremental_base): New function.
2313         (Layout::init_fixed_output_section): New function.
2314         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2315         incremental updates.
2316         (Layout::create_gold_note): Do not create gold note section for
2317         incremental updates.
2318         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2319         for incremental updates.
2320         (Layout::set_section_offsets): For incremental updates, allocate space
2321         from free list.
2322         (Layout::create_symtab_sections): Layout with offsets relative to
2323         start of section; for incremental updates, allocate space from free
2324         list.
2325         (Layout::create_shdrs): For incremental updates, allocate space from
2326         free list.
2327         (Layout::finish_dynamic_section): For incremental updates, do not
2328         check --as-needed (fixed in subsequent patch).
2329         * layout.h (class Free_list): New class.
2330         (Layout::set_incremental_base): New function.
2331         (Layout::incremental_base): New function.
2332         (Layout::init_fixed_output_section): New function.
2333         (Layout::allocate): New function.
2334         (Layout::incremental_base_): New data member.
2335         (Layout::free_list_): New data member.
2336         * main.cc (main): Print Free_list statistics.
2337         * object.cc (Relobj::finalize_incremental_relocs): Add
2338         clear_counts parameter; clear counts only when clear_counts is set.
2339         (Sized_relobj::Sized_relobj): Initialize new base class.
2340         (Sized_relobj::do_layout): Don't report special sections.
2341         (Sized_relobj::do_for_all_local_got_entries): New function.
2342         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2343         symtab_off to all symbol table offsets.
2344         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2345         * object.h (class Got_offset_list): Move to top of file.
2346         (Object::Object): Allow case where input_file == NULL.
2347         (Object::~Object): Likewise.
2348         (Object::input_file): Assert that input_file != NULL.
2349         (Object::lock): Allow case where input_file == NULL.
2350         (Object::unlock): Likewise.
2351         (Object::is_locked): Likewise.
2352         (Object::token): Likewise.
2353         (Object::release): Likewise.
2354         (Object::is_incremental): New function.
2355         (Object::get_mtime): New function.
2356         (Object::for_all_local_got_entries): New function.
2357         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2358         (Object::set_is_in_system_directory): New function.
2359         (Object::is_in_system_directory): New function.
2360         (Object::do_is_incremental): New function.
2361         (Object::do_get_mtime): New function.
2362         (Object::do_for_all_local_got_entries): New function.
2363         (Object::is_in_system_directory_): New data member.
2364         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2365         (class Sized_relobj_base): New class.
2366         (class Sized_relobj): Derive from Sized_relobj_base.
2367         (class Sized_relobj::Symbols): Redeclare from base class.
2368         (class Sized_relobj::local_got_offset_list): Remove.
2369         (class Sized_relobj::Output_sections): Redeclare from base class.
2370         (class Sized_relobj::do_for_all_local_got_entries): New function.
2371         (class Sized_relobj::write_local_symbols): Add offset parameter.
2372         (class Sized_relobj::local_symbol_offset_): Update comment.
2373         (class Sized_relobj::local_dynsym_offset_): Update comment.
2374         * options.cc (Input_arguments::add_file): Remove const.
2375         * options.h (Input_file_argument::Input_file_argument):
2376         Initialize arg_serial_ (all constructors).
2377         (Input_file_argument::set_arg_serial): New function.
2378         (Input_file_argument::arg_serial): New function.
2379         (Input_file_argument::arg_serial_): New data member.
2380         (Input_arguments::Input_arguments): Initialize file_count_.
2381         (Input_arguments::add_file): Remove const.
2382         (Input_arguments::number_of_input_files): New function.
2383         (Input_arguments::file_count_): New data member.
2384         (Command_line::number_of_input_files): Call
2385         Input_arguments::number_of_input_files.
2386         * output.cc (Output_segment_headers::Output_segment_headers):
2387         Set current size.
2388         (Output_section::Input_section::current_data_size): New function.
2389         (Output_section::Output_section): Initialize new data members.
2390         (Output_section::add_input_section): Don't do merge sections for
2391         an incremental link; allocate space from free list for an
2392         incremental update.
2393         (Output_section::add_output_section_data): Allocate space from
2394         free list for an incremental update.
2395         (Output_section::update_data_size): New function.
2396         (Output_section::set_fixed_layout): New function.
2397         (Output_section::reserve): New function.
2398         (Output_segment::set_section_addresses): Remove const.
2399         (Output_segment::set_section_list_addresses): Remove const; allocate
2400         space from free list for an incremental update.
2401         (Output_segment::set_offset): Adjust size of RELRO segment for an
2402         incremental update.
2403         * output.h (Output_data::current_data_size): Move here from
2404         child classes.
2405         (Output_data::pre_finalize_data_size): New function.
2406         (Output_data::update_data_size): New function.
2407         (Output_section_headers::update_data_size): new function.
2408         (Output_section_data_build::current_data_size): Move to Output_data.
2409         (Output_data_strtab::update_data_size): New function.
2410         (Output_section::current_data_size): Move to Output_data.
2411         (Output_section::set_fixed_layout): New function.
2412         (Output_section::has_fixed_layout): New function.
2413         (Output_section::reserve): New function.
2414         (Output_section::update_data_size): New function.
2415         (Output_section::has_fixed_layout_): New data member.
2416         (Output_section::free_list_): New data member.
2417         (Output_segment::set_section_addresses): Remove const.
2418         (Output_segment::set_section_list_addresses): Remove const.
2419         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2420         New function.
2421         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2422         New function.
2423         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2424         parameter when calling Add_symbols constructor; store argument
2425         serial number for members of a lib group.
2426         (Add_symbols::locks): Allow case where token == NULL.
2427         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2428         (Read_member::~Read_member): New function.
2429         (Read_member::is_runnable): New function.
2430         (Read_member::locks): New function.
2431         (Read_member::run): New function.
2432         (Check_script::~Check_script): New function.
2433         (Check_script::is_runnable): New function.
2434         (Check_script::locks): New function.
2435         (Check_script::run): New function.
2436         (Check_library::~Check_library): New function.
2437         (Check_library::is_runnable): New function.
2438         (Check_library::locks): New function.
2439         (Check_library::run): New function.
2440         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2441         (Add_symbols::library_): New data member.
2442         (class Read_member): New class.
2443         (class Check_script): New class.
2444         (class Check_library): New class.
2445         * reloc.cc (Read_relocs::is_runnable): Allow case where
2446         token == NULL.
2447         (Read_relocs::locks): Likewise.
2448         (Scan_relocs::locks): Likewise.
2449         (Relocate_task::locks): Likewise.
2450         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2451         to clear counters.
2452         (Sized_relobj::incremental_relocs_scan): Fix comment.
2453         (Sized_relobj::do_relocate): Pass output file offset to
2454         write_local_symbols.
2455         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2456         from class declaration.
2457         * script.cc (read_input_script): Allocate Script_info; pass
2458         argument serial number to report_script.
2459         * script.h (class Script_info): Move to incremental.h.
2460         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2461         * symtab.h (Symbol_table::add_from_incrobj): New function.
2462         (Symbol_table::set_file_offset): New function.
2463
2464 2011-04-05  Cary Coutant  <ccoutant@google.com>
2465
2466         * incremental-dump.cc (dump_incremental_inputs): Change signature
2467         to take a Sized_incremental_binary; change caller.  Use readers
2468         in Sized_incremental_binary.
2469         * incremental.cc
2470         (Sized_incremental_binary::find_incremental_inputs_sections):
2471         Rename do_find_incremental_inputs_sections to this.
2472         (Sized_incremental_binary::setup_readers): New function.
2473         (Sized_incremental_binary::do_check_inputs): Check
2474         has_incremental_info_ flag; move setup code to setup_readers;
2475         use input readers.
2476         (Sized_incremental_binary::do_file_is_unchanged): New function.
2477         (Sized_incremental_binary::do_get_input_reader): New function.
2478         * incremental.h (class Incremental_binary): Move to end of file.
2479         (Incremental_binary::file_is_unchanged): New function.
2480         (Incremental_binary::do_file_is_unchanged): New function.
2481         (Incremental_binary::Input_reader): New class.
2482         (Incremental_binary::get_input_reader): New function.
2483         (class Sized_incremental_binary): Move to end of file.
2484         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2485         input section reader classes.
2486         (Sized_incremental_binary::has_incremental_info): New function.
2487         (Sized_incremental_binary::inputs_reader): New function.
2488         (Sized_incremental_binary::symtab_reader): New function.
2489         (Sized_incremental_binary::relocs_reader): New function.
2490         (Sized_incremental_binary::got_plt_reader): New function.
2491         (Sized_incremental_binary::do_file_is_unchanged): New function.
2492         (Sized_incremental_binary::Sized_input_reader): New class.
2493         (Sized_incremental_binary::get_input_reader): New function.
2494         (Sized_incremental_binary::find_incremental_inputs_sections):
2495         Rename do_find_incremental_inputs_sections to this.
2496         (Sized_incremental_binary::setup_readers): New function.
2497         (Sized_incremental_binary::has_incremental_info_): New data member.
2498         (Sized_incremental_binary::inputs_reader_): New data member.
2499         (Sized_incremental_binary::symtab_reader_): New data member.
2500         (Sized_incremental_binary::relocs_reader_): New data member.
2501         (Sized_incremental_binary::got_plt_reader_): New data member.
2502         (Sized_incremental_binary::current_input_file_): New data member.
2503
2504 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2505
2506         PR gold/12640
2507         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2508         violation.
2509
2510 2011-03-30  Cary Coutant  <ccoutant@google.com>
2511
2512         * archive.cc (Archive::include_member): Adjust call to report_object.
2513         (Add_archive_symbols::run): Add script_info to call to
2514         report_archive_begin.
2515         (Lib_group::include_member): Adjust call to report_object.
2516         (Add_lib_group_symbols::run): Adjust call to report_object.
2517         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2518         blocks.  Add object count for script input files.
2519         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2520         script_info parameter; change all callers.
2521         (Incremental_inputs::report_object): Add script_info parameter;
2522         change all callers.
2523         (Incremental_inputs::report_script): Store backpointer to
2524         incremental info entry.
2525         (Output_section_incremental_inputs::set_final_data_size): Record
2526         additional information for scripts.
2527         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2528         * incremental.h (Incremental_script_entry::add_object): New function.
2529         (Incremental_script_entry::get_object_count): New function.
2530         (Incremental_script_entry::get_object): New function.
2531         (Incremental_script_entry::objects_): New data member; adjust
2532         constructor.
2533         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2534         (Incremental_inputs::report_object): Add script_info parameter.
2535         (Incremental_inputs_reader::get_object_count): New function.
2536         (Incremental_inputs_reader::get_object_offset): New function.
2537         * options.cc (Input_arguments::add_file): Return reference to
2538         new input argument.
2539         * options.h (Input_argument::set_script_info): New function.
2540         (Input_argument::script_info): New function.
2541         (Input_argument::script_info_): New data member; adjust all
2542         constructors.
2543         (Input_file_group::add_file): Return reference to new input argument.
2544         (Input_file_lib::add_file): Likewise.
2545         (Input_arguments::add_file): Likewise.
2546         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2547         * script.cc (Parser_closure::Parser_closure): Add script_info
2548         parameter; adjust all callers.
2549         (Parser_closure::script_info): New function.
2550         (Parser_closure::script_info_): New data member.
2551         (read_input_script): Report scripts earlier to incremental info.
2552         (script_add_file): Set script_info in Input_argument.
2553         (script_add_library): Likewise.
2554         * script.h (Script_options::Script_info): Rewrite class.
2555
2556 2011-03-29  Cary Coutant  <ccoutant@google.com>
2557
2558         * archive.cc (Library_base::should_include_member): Move
2559         method here from class Archive.
2560         (Archive::Archive): Initialize base class.
2561         (Archive::should_include_member): Move to base class.
2562         (Archive::do_for_all_unused_symbols): New function.
2563         (Add_archive_symbols::run): Remove redundant access to
2564         incremental_inputs.
2565         (Lib_group::Lib_group): Initialize base class.
2566         (Lib_group::do_filename): New function.
2567         (Lib_group::include_member): Pass pointer to Lib_group to
2568         report_object.
2569         (Lib_group::do_for_all_unused_symbols): New function.
2570         (Add_lib_group_symbols::run): Report archive information for
2571         incremental links.
2572         * archive.h (class Library_base): New base class.
2573         (class Archive): Derive from Library_base.
2574         (Archive::filename): Move to base class.
2575         (Archive::set_incremental_info): Likewise.
2576         (Archive::incremental_info): Likewise.
2577         (Archive::Should_include): Likewise.
2578         (Archive::should_include_member): Likewise.
2579         (Archive::Armap_entry): Remove.
2580         (Archive::Unused_symbol_iterator): Remove.
2581         (Archive::unused_symbols_begin): Remove.
2582         (Archive::unused_symbols_end): Remove.
2583         (Archive::do_filename): New function.
2584         (Archive::do_get_mtime): New function.
2585         (Archive::do_for_all_unused_symbols): New function.
2586         (Archive::task_): Move to base class.
2587         (Archive::incremental_info_): Likewise.
2588         (class Lib_group): Derive from Library_base.
2589         (Lib_group::do_filename): New function.
2590         (Lib_group::do_get_mtime): New function.
2591         (Lib_group::do_for_all_unused_symbols): New function.
2592         (Lib_group::task_): Move to base class.
2593         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2594         function.
2595         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2596         function.
2597         * incremental.cc (Incremental_inputs::report_archive_begin):
2598         Use Library_base; call library's get_mtime; add incremental inputs
2599         entry before members.
2600         (class Unused_symbol_visitor): New class.
2601         (Incremental_inputs::report_archive_end): Use Library_base; use
2602         visitor class to record unused symbols; don't add incremental inputs
2603         entry after members.
2604         (Incremental_inputs::report_object): Use Library_base.
2605         * incremental.h
2606         (Incremental_archive_entry::Incremental_archive_entry): Remove
2607         unused Archive parameter.
2608         (Incremental_inputs::report_archive_begin): Use Library_base.
2609         (Incremental_inputs::report_archive_end): Likewise.
2610         (Incremental_inputs::report_object): Likewise.
2611         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2612         function.
2613         * object.h (Object::for_all_global_symbols): New function.
2614         (Object::do_for_all_global_symbols): New function.
2615         (Sized_relobj::do_for_all_global_symbols): New function.
2616         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2617         function.
2618         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2619         function.
2620
2621 2011-03-27  Ian Lance Taylor  <iant@google.com>
2622
2623         * archive.cc (Archive::interpret_header): Return -1 if something
2624         goes wrong.  Change callers accordingly.
2625
2626 2011-03-25  Cary Coutant  <ccoutant@google.com>
2627
2628         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2629         * testsuite/Makefile.in: Regenerate.
2630
2631 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2632
2633         * plugin.cc (get_view): New.
2634         (Plugin::load): Pass get_view to the plugin.
2635         (Plugin_manager::get_view): New.
2636
2637 2011-03-21  Ian Lance Taylor  <iant@google.com>
2638
2639         * testsuite/final_layout.sh: Rewrite to not use dc.
2640         * testsuite/relro_test.sh: Fail if dc is not present.
2641
2642 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2643
2644         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2645         Change == to -eq.
2646         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2647         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2648         Change == to -eq.
2649         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2650         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2651
2652 2011-03-14  Ian Lance Taylor  <iant@google.com>
2653
2654         * script-sections.cc (Sort_output_sections::script_compare):
2655         Rename from is_before, change return type.
2656         (Sort_output_sections::operator()): Adjust accordingly.
2657
2658 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2659
2660         PR gold/12572
2661         * testsuite/odr_violation2.cc: Add comment to make all error line
2662         numbers double digits.
2663         * testsuite/debug_msg.sh: Adjust expected errors.
2664
2665 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2666
2667         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2668         but mark earlier ones as non-canonical
2669         (offset_to_iterator): Update search target and example
2670         (do_addr2line): Return extra lines in a vector*
2671         (format_file_lineno): Extract from do_addr2line
2672         (one_addr2line): Add vector* out-param
2673         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2674         when a lineno entry appeared last for its instruction
2675         (Dwarf_line_info): Add vector* out-param
2676         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2677         * symtab.cc (Odr_violation_compare): Include the lineno in the
2678         comparison again.
2679         (linenos_from_loc): New. Combine the canonical line for an
2680         address with its other lines.
2681         (True_if_intersect): New. Helper functor to make
2682         std::set_intersection a query.
2683         (detect_odr_violations): Compare sets of lines instead of just
2684         one line for each function. This became less deterministic, but
2685         has fewer false positives.
2686         * symtab.h: Declarations.
2687         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2688         mix an optimized and non-optimized object in the same binary
2689         (odr_violation2.so): Same.
2690         * testsuite/Makefile.in: Regenerate from Makefile.am.
2691         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2692         * testsuite/debug_msg.sh: Update line numbers and add
2693         assertions.
2694         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2695         non-optimized context.
2696         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2697         isn't inlined, and use OdrDerived in an optimized context.
2698         * testsuite/odr_header1.h: Defines OdrDerived, where
2699         optimization will change the
2700         first-instruction-in-the-destructor's file and line number.
2701         * testsuite/odr_header2.h: Defines OdrBase.
2702
2703 2011-03-09  Ian Lance Taylor  <iant@google.com>
2704
2705         * fileread.cc (File_read::clear_views): Don't delete the whole
2706         file view.
2707
2708 2011-03-08  Ian Lance Taylor  <iant@google.com>
2709
2710         PR gold/12525
2711         * fileread.cc: #include <climits>.
2712         (GOLD_IOV_MAX): Define.
2713         (File_read::read_multiple): Limit number of entries by iov_max.
2714         * fileread.h (class File_read): Always set max_readv_entries to
2715         128.
2716
2717 2011-03-07  Ian Lance Taylor  <iant@google.com>
2718
2719         PR gold/12525
2720         * options.h (class General_options): Add -dy and -dn.
2721
2722 2011-03-02  Cary Coutant  <ccoutant@google.com>
2723
2724         * testsuite/script_test_9.t: Add TLS segment.
2725
2726 2011-03-02  Simon Baldwin  <simonb@google.com>
2727
2728         * configure.ac: Add check for gnu_indirect_function support in
2729         the toolchain building binutils.
2730         * configure: Rebuild.
2731
2732 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2733
2734         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2735         plugin only symbols.
2736         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2737         in plugin files as not needed in the symbol table.
2738
2739 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2740
2741         * output.cc (Output_section::add_input_section): Delay fill
2742         generation for section ordering.
2743
2744 2011-02-09  Ian Lance Taylor  <iant@google.com>
2745
2746         PR gold/12316
2747         * object.h (class Sized_relobj): Remove clear_local_symbols.
2748         * reloc.cc (Sized_relobj::do_relocate): Don't call
2749         clear_local_symbols.
2750
2751 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2752
2753         * plugin.cc (is_visible_from_outside): Return true for symbols
2754         in the -u option.
2755
2756 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2757
2758         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2759         filename.
2760
2761 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2762
2763         * icf.h (is_section_foldable_candidate): Change type of parameter
2764         to std::string.
2765         * icf.cc (Icf::find_identical_sections): Change type of local variable
2766         section_name to be std::string.
2767         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2768
2769 2011-01-25  Ian Lance Taylor  <iant@google.com>
2770
2771         * script.cc (script_add_extern): Rewrite to use
2772         add_symbol_reference.
2773
2774 2011-01-25  Doug Kwan  <dougkwan@google.com>
2775
2776         * icf.cc (get_section_contents): Always lock section's object.
2777
2778 2011-01-24  Ian Lance Taylor  <iant@google.com>
2779
2780         * options.h (class General_options): Accept
2781         --no-detect-odr-violations.
2782
2783 2011-01-24  Ian Lance Taylor  <iant@google.com>
2784
2785         * version.cc (version_string): Bump to 1.11.
2786
2787 2011-01-24  Ian Lance Taylor  <iant@google.com>
2788
2789         * plugin.cc (class Plugin_rescan): Define new class.
2790         (Plugin_manager::claim_file): Set any_claimed_.
2791         (Plugin_manager::save_archive): New function.
2792         (Plugin_manager::save_input_group): New function.
2793         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2794         necessary.
2795         (Plugin_manager::new_undefined_symbol): New function.
2796         (Plugin_manager::rescan): New function.
2797         (Plugin_manager::rescannable_defines): New function.
2798         (Plugin_manager::add_input_file): Set any_added_.
2799         * plugin.h (class Plugin_manager): define new fields rescannable_,
2800         undefined_symbols_, any_claimed_, and any_added_.  Declare
2801         Plugin_rescan as friend.  Declare new functions.
2802         (Plugin_manager::Rescannable): Define type.
2803         (Plugin_manager::Rescannable_list): Define type.
2804         (Plugin_manager::Undefined_symbol_list): Define type.
2805         (Plugin_manager::Plugin_manager): Initialize new fields.
2806         * archive.cc (Archive::defines_symbol): New function.
2807         (Add_archive_symbols::run): Pass archive to plugins if any.
2808         * archive.h (class Archive): Declare defines_symbol.
2809         * readsyms.cc (Input_group::~Input_group): New function.
2810         (Finish_group::run): Pass input_group to plugins if any.
2811         * readsyms.h (class Input_group): Declare destructor.
2812         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2813         any.
2814
2815 2011-01-10  Ian Lance Taylor  <iant@google.com>
2816
2817         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2818         section as relro.
2819         (Layout::set_segment_offsets): Reset increase_relro before calling
2820         set_section_addresses a second time.
2821
2822 2011-01-04  Cary Coutant  <ccoutant@google.com>
2823
2824         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2825         sections before NOBITS sections.
2826
2827 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2828
2829         * version.cc (print_version): Update copyright to 2011.
2830
2831 2010-12-23  Cary Coutant  <ccoutant@google.com>
2832
2833         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2834         of OS to this->add.  Add OD parameter to second form of the function.
2835
2836 2010-12-20  Ian Lance Taylor  <iant@google.com>
2837
2838         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2839         second of two consecutive entries with same offset.
2840
2841 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2842
2843         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2844         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2845         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2846         to avoid unneeded links against $(LDADD).
2847         * testsuite/Makefile.in: Regenerate.
2848
2849 2010-12-15  Ian Lance Taylor  <iant@google.com>
2850
2851         PR gold/12324
2852         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2853         for R_X86_64_32 and R_X86_64_PC32.
2854         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2855         ver_matching_def_pic.o.
2856         (ver_matching_def_pic.o): New target.
2857
2858 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2859
2860         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2861         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2862         Move definition before File_read::View member definitions.
2863         (File_read::View::~View): Initialize and hold lock before
2864         updating current_mapped_bytes.
2865
2866 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2867
2868         * dwarf_reader.cc: Remove outdated comment.
2869         * gold-threads.cc: Fix typo in error message.
2870         * archive.cc: Fix typos in comments.
2871         * archive.h: Likewise.
2872         * arm-reloc-property.cc: Likewise.
2873         * arm-reloc-property.h: Likewise.
2874         * arm-reloc.def: Likewise.
2875         * arm.cc: Likewise.
2876         * attributes.h: Likewise.
2877         * cref.cc: Likewise.
2878         * ehframe.cc: Likewise.
2879         * fileread.h: Likewise.
2880         * gold.h: Likewise.
2881         * i386.cc: Likewise.
2882         * icf.cc: Likewise.
2883         * incremental.h: Likewise.
2884         * int_encoding.cc: Likewise.
2885         * layout.h: Likewise.
2886         * main.cc: Likewise.
2887         * merge.h: Likewise.
2888         * object.cc: Likewise.
2889         * object.h: Likewise.
2890         * options.cc: Likewise.
2891         * readsyms.cc: Likewise.
2892         * reduced_debug_output.cc: Likewise.
2893         * reloc.cc: Likewise.
2894         * script-sections.cc: Likewise.
2895         * sparc.cc: Likewise.
2896         * symtab.h: Likewise.
2897         * target-reloc.h: Likewise.
2898         * target.cc: Likewise.
2899         * target.h: Likewise.
2900         * timer.cc: Likewise.
2901         * timer.h: Likewise.
2902         * x86_64.cc: Likewise.
2903
2904 2010-12-09  Cary Coutant  <ccoutant@google.com>
2905
2906         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2907         stack.
2908         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2909         parameter; change all callers.
2910         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2911         * options.h (warn_execstack): New option.
2912
2913 2010-12-07  Doug Kwan  <dougkwan@google.com>
2914
2915         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2916         like function call relocations.
2917
2918 2010-12-07  Ian Lance Taylor  <iant@google.com>
2919
2920         * archive.cc (Archive::get_elf_object_for_member): Permit
2921         punconfigured to be NULL.
2922         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2923         (Archive::include_member): Pass NULL to get_elf_object_for_member
2924         if we searched for the archive and this is the first included
2925         object.
2926
2927 2010-12-01  Ian Lance Taylor  <iant@google.com>
2928
2929         * dwarf_reader.h (class Sized_dwarf_line_info): Add
2930         track_relocs_type_ field.
2931         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2932         Set track_relocs_type_.
2933         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2934         contents when using RELA relocs.
2935         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2936         reloc_map_.
2937         * reloc.cc (Track_relocs::next_addend): New function.
2938         * reloc.h (class Track_relocs): Declare next_addend.
2939
2940 2010-12-01  Ian Lance Taylor  <iant@google.com>
2941
2942         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2943         virtual destructor.
2944
2945 2010-12-01  Ian Lance Taylor  <iant@google.com>
2946
2947         * README: Update compilers known to work and fail.
2948
2949 2010-11-23  Matthias Klose  <doko@ubuntu.com>
2950
2951         * configure.in: For --enable-gold, handle value `default' instead of
2952         `both*'.  Always install ld as ld.bfd, install as ld if gold is
2953         not the default.
2954         * configure: Regenerate.
2955
2956 2010-11-18  Doug Kwan  <dougkwan@google.com>
2957
2958         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2959         and right_alignment to be zero.  Store result alignment only if it is
2960         greater than existing alignment.
2961
2962 2010-11-16  Cary Coutant  <ccoutant@google.com>
2963
2964         PR gold/12220
2965         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2966         Check for ".zdebug_line".
2967
2968 2010-11-16  Doug Kwan  <dougkwan@google.com>
2969             Cary Coutant  <ccoutant@google.com>
2970
2971         * output.h (Output_segment::set_section_addresses): Pass increase_relro
2972         by reference; adjust all callers.
2973         * output.cc (Output_segment::set_section_addresses): Adjust references
2974         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2975         list is empty.
2976         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2977         end at page boundary.
2978
2979 2010-11-16  Cary Coutant  <ccoutant@google.com>
2980
2981         PR gold/12220
2982         * layout.cc (Layout::choose_output_section): Transform names of
2983         compressed sections even when using a script with a SECTIONS clause.
2984         (Layout::output_section_name): Remove code to transform
2985         compressed debug section names.
2986         * output.cc (Output_section::add_input_section): Use uncompressed
2987         section size when tracking input sections.
2988
2989 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
2990
2991         * symtab.h (Symbol::NON_PIC_REF): Remove.
2992         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2993         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
2994         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2995         (Symbol::use_plt_offset): Take a flags argument and pass it
2996         directly to needs_dynamic_reloc.  Restrict check for undefined
2997         weak symbols to function calls.
2998         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2999         (Target_arm::Scan::global): Use it.
3000         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3001         (Target_arm::Relocate::relocate): Likewise.
3002         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3003         parameter with an r_type parameter.  Use get_reference_flags
3004         to get the flags.
3005         (Target_arm::Relocate::relocate): Update accordingly.
3006         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3007         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3008         (Target_i386::Scan::global): Likewise.
3009         (Target_i386::Relocate::relocate): Likewise.
3010         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3011         parameter with an r_type parameter.  Use get_reference_flags
3012         to get the flags.
3013         (Target_i386::Relocate::relocate): Update accordingly.
3014         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3015         (Target_powerpc::Scan::global): Use it.
3016         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3017         (Target_powerpc::Relocate::relocate): Likewise.
3018         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3019         (Target_sparc::Scan::global): Use it.
3020         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3021         (Target_sparc::Relocate::relocate): Likewise.
3022         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3023         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3024         (Target_x86_64::Scan::global): Likewise.
3025         (Target_x86_64::Relocate::relocate): Likewise.
3026
3027 2010-11-08  Doug Kwan  <dougkwan@google.com>
3028             Cary Coutant  <ccoutant@google.com>
3029
3030         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3031         (Arm_exidx_merge_section::section_contents_): New data member.
3032         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3033         (Arm_input_section::~Arm_input_section): De-allocate memory.
3034         (Arm_input_section::original_contents_): New data member.       
3035         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3036         in parameters instead of calling Object::section_contents without
3037         locking.
3038         (Arm_output_section::group_section): New parameter TASK.  Pass it
3039         to callees that need locking objects.
3040         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3041         to lock EXIDX input sections.  Fix a formatting issue.  Call
3042         Arm_exidx_merged_section::build_contents to create merged section
3043         contents.
3044         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3045         to lock object of stub table owner.
3046         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3047         TEXT_SIZE to initialize data member TEXT_SIZE_.
3048         (Arm_exidx_input_section::addralign): Fix typo in comment.
3049         (Arm_exidx_input_section::text_size): New method.
3050         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3051         that require locking objects.  Lock objects before scanning for stubs
3052         and updating local symbols.
3053         (Arm_input_section<big_endian>::init): Copy contents of original
3054         input section.
3055         (Arm_input_section<big_endian>::do_write): Use saved contents of
3056         original input section instead of calling Object::section_contents
3057         without locking.
3058         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3059         size without calling Object::section_size().
3060         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3061         for size.  Allocate a buffer for merged EXIDX entries.
3062         (Arm_exidx_merged_section::build_contents): New method.
3063         (Arm_exidx_merged_section::do_write): Move merge section contents
3064         building code to Arm_exidx_merged_section::build_contetns.  Write
3065         out contetns in buffer instead of building it on the fly.
3066         (Arm_relobj::make_exidx_input_section): Also pass text section size
3067         to Arm_exidx_input_section constructor.
3068         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3069         (Arm_dynobj::do_read_symbols): Fix memory leak.
3070         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3071         * target.h: (class Task): Add forward declaration.
3072         (Target::relax): Add new parameter TASK and pass it to
3073         Target::do_relax().
3074         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3075
3076 2010-11-05  Cary Coutant  <ccoutant@google.com>
3077
3078         PR gold/10708
3079         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3080         object when reading from the file.
3081         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3082         second layout pass.
3083         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3084         when reading section contents.
3085         (get_section_contents): Likewise.
3086         (icf::find_identical_sections): Likewise.
3087         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3088         object when reading from the file.
3089         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3090         the object when doing deferred section layout.
3091
3092 2010-11-03  Nick Clifton  <nickc@redhat.com>
3093
3094         PR gold/12001
3095         * script.h (class Symbol_assignment: name): New member.  Returns
3096         the name of the symbol.
3097         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3098         Returns true if the given symbol name is on the list of
3099         assignments wating to be processed.
3100         * archive.cc (should_incldue_member): If the symbol is undefined,
3101         check to see if it is on the list of symbols pending assignment.
3102
3103 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3104
3105         * script-sections.cc (Script_sections::find_memory_region): Check
3106         for a NULL output section pointer.
3107
3108 2010-10-29  Doug Kwan  <dougkwan@google.com>
3109
3110         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3111         Output_section::add_relaxed_input_section.
3112         * output.cc (Output_section::add_relaxed_input_section): Add new
3113         arguments LAYOUT and NAME.  Set section order index.
3114         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3115         Copy section order index.
3116         * output.h (Output_section::add_relaxed_input_section): Add new
3117         arguments LAYOUT and NAME.
3118
3119 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3120
3121         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3122         NATIVE_OR_CROSS_LINKER.
3123         * testsuite/Makefile.in: Regenerate.
3124
3125 2010-10-20  Doug Kwan  <dougkwan@google.com>
3126
3127         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3128         without SHF_LINK_ORDER flags.
3129         * layout.cc (Layout::choose_output_section): Do not filter
3130         SHF_LINK_ORDER flag in a relocatable link.
3131
3132 2010-10-17  Cary Coutant  <ccoutant@google.com>
3133
3134         * output.h (Output_segment::set_section_addresses): Change function
3135         signature.  Update all callers.
3136         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3137         sections.
3138         (Output_segment::set_section_addresses): Align after last TLS
3139         section.  Add padding before last relro section instead of after.
3140
3141 2010-10-17  Doug Kwan  <dougkwan@google.com>
3142
3143         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3144         GOT output section to be writable.
3145
3146 2010-10-14  Cary Coutant  <ccoutant@google.com>
3147
3148         * debug.h (DEBUG_INCREMENTAL): New flag.
3149         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3150         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3151         mode.
3152         * incremental.cc (report_command_line): Ignore all forms of
3153         --incremental.
3154         * layout.cc (Layout::Layout): Check parameters for incremental link
3155         mode.
3156         * options.cc (General_options::parse_incremental): New function.
3157         (General_options::parse_no_incremental): New function.
3158         (General_options::parse_incremental_full): New function.
3159         (General_options::parse_incremental_update): New function.
3160         (General_options::incremental_mode_): New data member.
3161         (General_options::finalize): Check incremental_mode_.
3162         * options.h (General_options): Update help text for --incremental.
3163         Add --no-incremental, --incremental-full, --incremental-update.
3164         (General_options::Incremental_mode): New enum type.
3165         (General_options::incremental_mode): New function.
3166         (General_options::incremental_mode_): New data member.
3167         * parameters.cc (Parameters::incremental_mode_): New data member.
3168         (Parameters::set_options): Set incremental_mode_.
3169         (Parameters::set_incremental_full): New function.
3170         (Parameters::incremental): New function.
3171         (Parameters::incremental_update): New function.
3172         (set_parameters_incremental_full): New function.
3173         * parameters.h (Parameters::set_incremental_full): New function.
3174         (Parameters::incremental): New function.
3175         (Parameters::incremental_update): New function.
3176         (Parameters::incremental_mode_): New data member.
3177         (set_parameters_incremental_full): New function.
3178         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3179         incremental link mode.
3180         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3181         (Sized_relobj::do_relocate_sections): Likewise.
3182         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3183         option.
3184         * testsuite/Makefile.in: Regenerate.
3185         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3186
3187 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3188
3189         * script-sections.h (class Script_sections): Make
3190         Sections_elements typedef public.
3191         * script-sections.cc (class Sort_output_sections): Add elements_
3192         field.  Add constructor which sets it; change all callers.
3193         (Sort_output_sections::is_before): New function.
3194         (Sort_output_sections::operator()): Call is_before.
3195         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3196         conditional.
3197         * testsuite/script_test_10.sh: New test. Test script section
3198         order.
3199         * testsuite/script_test_10.t: Likewise.
3200         * testsuite/script_test_10.s: Likewise.
3201         * testsuite/Makefile.am: Wrap the cross linker tests and the
3202         common tests into NATIVE_OR_CROSS_LINKER.
3203         (check_SCRIPTS): Add script_test_10.sh.
3204         (check_DATA): Add script_test_10.stdout.
3205         (script_test_10.o, script_test_10): New targets.
3206         (script_test_10.stdout): New target.
3207         * configure, testsuite/Makefile.in: Regenerate.
3208
3209 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3210
3211         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3212         error for the deprecated relocations.
3213         (Target_arm::Scan::global): Likewise.
3214         (Target_arm::Relocate::relocate): Likewise.
3215
3216 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3217
3218         * fileread.cc (Input_file::find_file): Initialize *found_name
3219         and *namep when using the fallback search for case 4.
3220
3221 2010-10-11  Cary Coutant  <ccoutant@google.com>
3222
3223         * options.h (class General_options): Redefine -z lazy as an alias for
3224         the negation of -z now.
3225
3226 2010-10-11  Ian Lance Taylor  <iant@google.com>
3227
3228         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3229         binding.
3230
3231 2010-10-06  Nick Clifton  <nickc@redhat.com>
3232
3233         * script-sections.cc(class Memory_region): Remove
3234         current_lma_offset_ field.  Rename current_vma_offset_ to
3235         current_offset_.  Add last_section_ field.
3236         (Memory_region::get_current_vma_address): Rename to
3237         get_current_address.
3238         (Memory_region::get_current_lma_address): Delete.
3239         (Memory_region::increment_vma_offset): Rename to
3240         increment_offset.
3241         (Memory_region::increment_lma_offset): Delete.
3242         (Memory_region::attributes_compatible): New method.  Returns
3243         true if the provided section is compatible with the region.
3244         (Memory_region::get_last_section): New method.  Returns the last
3245         section to use the region.
3246         (Memory_region::set_last_section): New method.  Stores the last
3247         section to use the region.
3248         (Script_sections::block_in_region): New method.  Returns true if
3249         a block of memory is contained within a region.
3250         (Script_sections::find_memory_region): New method.  Locates a
3251         memory region to be used to set a VMA or LMA address.
3252         (Output_section_definition::set_section_addresses): Add code to
3253         check for addresses set by memory regions.
3254         (Output_segment::set_section_addresses): Remove memory region
3255         walking code.
3256         (Script_sections::create_segment): Add a warning if a header
3257         segment is created outside of any region.
3258         * script-sections.h (class Script_sections): Add prototypes for
3259         find_memory_region and block_in_region methods.
3260         * testsuite/memory_test.s: Use .long instead of .word.
3261         * testsuite/memory_test.t: Add some more output sections.
3262         * testsuite/memory_test.sh: Update expected output.
3263
3264 2010-10-02  Doug Kwan  <dougkwan@google.com>
3265
3266         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3267         defintion to symtab.h
3268         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3269         declaration to defintion.
3270
3271 2010-10-01  Nick Clifton  <nickc@redhat.com>
3272
3273         * expression.cc (eval): Replace dummy argument with NULL.
3274         (eval_maybe_dot): Check for a NULL result section pointer.
3275         (Symbol_expression::value): Likewise.
3276         (Dot_expression::value): Likewise.
3277         (BINARY_EXPRESSION): Likewise.
3278         (Max_expression::value): Likewise.
3279         (Min_expression::value): Likewise.
3280         (Absolute_expression::value): Likewise.
3281         (Addr_expression::value_from_output_section): Likewise.
3282         (Loaddddr_expression::value_from_output_section): Likewise.
3283         (Segment_start_expression::value): Likewise.
3284         * script-sections.cc
3285         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3286         argument with NULL.
3287         (Sections_elememt_dot_assignment::set_section_addresses):
3288         Likewise.
3289         (Output_data_expression::do_write_to_buffer): Likewise.
3290         (Output_section_definition::finalize_symbols): Likewise.
3291         (Output_section_definition::set_section_addresses): Likewise.
3292
3293 2010-09-30  Doug Kwan  <dougkwan@google.com>
3294
3295         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3296
3297 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3298
3299         * target.h (Target::can_icf_inline_merge_sections): New virtual
3300         function.
3301         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3302         virtual function.
3303         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3304         virtual function.
3305         * icf.cc (get_section_contents): Inline merge sections only when
3306         target allows it.
3307
3308 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3309
3310         * configure: Regenerate.
3311
3312 2010-09-17  Ian Lance Taylor  <iant@google.com>
3313
3314         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3315         * testsuite/Makefile.am (memory_test.o): New target.
3316         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3317         memory_test.t.
3318         * testsuite/Makefile.in: Rebuild.
3319
3320 2010-09-17  Doug Kwan  <dougkwan@google.com>
3321
3322         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3323         defintion if relocation uses GOT entries of the symbol.
3324         * testsuite/icf_safe_test.sh: Fix test.
3325         * testsuite/icf_safe_so_test.sh: Fix test.
3326
3327 2010-09-16  Cary Coutant  <ccoutant@google.com>
3328
3329         * script_sections.cc (class Memory_region): Remove "NULL" from
3330         vector initializations.
3331
3332 2010-09-15  Cary Coutant  <ccoutant@google.com>
3333
3334         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3335         Resolve forwarding symbols.
3336
3337 2010-09-15  Doug Kwan  <dougkwan@google.com>
3338
3339         * gold/testsuite/script_test_3.t: Add ARM special sections.
3340         * gold/testsuite/script_test_4.t: Same.
3341         * gold/testsuite/script_test_5.t: Same.
3342         * gold/testsuite/script_test_6.t: Same.
3343         * gold/testsuite/script_test_7.t: Same.
3344         * gold/testsuite/script_test_7.t: Same.
3345         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3346
3347 2010-09-14  Cary Coutant  <ccoutant@google.com>
3348
3349         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3350         (Target_x86_64::Relocate::relocate_tls): Replace check for
3351         saw_tls_block_reloc_ with test for executable section.
3352
3353 2010-09-12  Cary Coutant  <ccoutant@google.com>
3354
3355         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3356         position-independent executables to shared libraries need dynamic
3357         relocations.
3358         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3359         position-independent executables.
3360         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3361         * testsuite/Makefile.in: Regenerate.
3362
3363 2010-09-10  Nick Clifton  <nickc@redhat.com>
3364
3365         PR gold/11997
3366         * testsuite/memory_test.t: Discard any sections that are not
3367         needed.
3368
3369 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3370
3371         PR gold/11996
3372         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3373         "This::" to work around a bug in gcc 4.2.
3374
3375         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3376
3377 2010-09-09  Rafael Espindola  <espindola@google.com>
3378
3379         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3380         sections with different PF_X flags in the same segment.
3381         (Layout::find_first_load_seg): Search all segments to find the first
3382         one.
3383         * options.h (rosegment): New.
3384
3385 2010-09-08  Rafael Espindola  <espindola@google.com>
3386
3387         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3388
3389 2010-09-08  Doug Kwan  <dougkwan@google.com>
3390
3391         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3392         (Arm_relobj::do_relocate_sections): Add new parameter for output
3393         file to match the parent.
3394         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3395         of local symbols instead of input values.  Update code to track
3396         changes in gold::relocate_section.
3397         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3398         (Sized_relobj::compute_final_local_value_internal): New methods.
3399         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3400         body into private version of Sized_relobj::compute_final_local_value.
3401         Call the inline method.
3402         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3403         merged symbol value if there is one.
3404         (Symbol_value::has_output_value): New method defintiion.
3405         (Sized_relobj::Compute_final_local_value_status): New enum type.
3406         (Sized_relobj::compute_final_local_value): New methods.
3407         (Sized_relobj::compute_final_local_value_internal): New methods.
3408         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3409         and arm_cortex_a8.sh.
3410         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3411         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3412         New tests.
3413         * Makefile.in: Regenerate.
3414         * testsuite/arm_bl_out_of_range.s: Update test.
3415         * testsuite/thumb_bl_out_of_range.s: Ditto.
3416         * testsuite/thumb_blx_out_of_range.s: Ditto.
3417         * testsuite/arm_branch_out_of_range.sh: New file.
3418         * testsuite/arm_cortex_a8.sh: Ditto.
3419         * testsuite/arm_cortex_a8_b.s: Ditto.
3420         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3421         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3422         * testsuite/arm_cortex_a8_bl.s: Ditto.
3423         * testsuite/arm_cortex_a8_blx.s: Ditto.
3424         * testsuite/arm_cortex_a8_local.s: Ditto.
3425         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3426         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3427
3428 2010-09-08  Rafael Espindola  <espindola@google.com>
3429
3430         * Makefile.am (memory_test.stdout): Run readelf with -W.
3431         * Makefile.in: Regenerate.
3432         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3433         64 bit output.
3434
3435 2010-09-08  Rafael Espindola  <espindola@google.com>
3436
3437         * script-sections.cc (Script_sections::add_memory_region): Convert
3438         field precision to int.
3439         * script.cc (script_set_section_region, script_set_section_region):
3440         Convert field precision to int.
3441
3442 2010-09-08  Rafael Espindola  <espindola@google.com>
3443
3444         * arm.cc (do_finalize_sections): Create the __exidx_start and
3445         __exdix_end symbols even when the section is missing.
3446
3447 2010-09-08  Nick Clifton  <nickc@redhat.com>
3448
3449         * README: Remove claim that MEMORY is not supported.
3450         * expression.cc (script_exp_function_origin)
3451         (script_exp_function_length): Move from here to ...
3452         * script.cc: ... here.
3453         (script_set_section_region, script_add_memory)
3454         (script_parse_memory_attr, script_include_directive): New
3455         functions.
3456         * script-sections.cc
3457         (class Memory_region): New class.
3458         (class Output_section_definition): Add set_memory_region,
3459         set_section_vma, set_section_lma and get_section_name methods.
3460         (class Script_Sections): Add add_memory_region,
3461         find_memory_region, find_memory_region_origin,
3462         find_memory_region_length and set_memory_region methods.
3463         Have set_section_addresses method walk the list of set memory
3464         regions.
3465         Extend the print methos to display memory regions.
3466         * script-sections.h: Add prototypes for new methods.
3467         Add enum for MEMORY region attributes.
3468         * yyscript.y: Add support for parsing MEMORY regions.
3469         * script-c.h: Add prototypes for new functions.
3470         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3471         * testsuite/Makefile.in: Regenerate.
3472         * testsuite/memory_test.sh: New script.
3473         * testsuite/memory_test.s: New assembler source file.
3474         * testsuite/memory_test.t: New linker script.
3475
3476 2010-08-27  Doug Kwan  <dougkwan@google.com>
3477
3478         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3479         reference override an existing dynamic weak reference.
3480         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3481         * testsuite/Makefile.in: Regenerate.
3482         * testsuite/dyn_weak_ref.sh: New file.
3483         * testsuite/dyn_weak_ref_1.c: Ditto.
3484         * testsuite/dyn_weak_ref_2.c: Ditto.
3485
3486 2010-08-27  Ian Lance Taylor  <iant@google.com>
3487
3488         * incremental.h (class Incremental_input_entry): Add virtual
3489         destructor.
3490
3491 2010-08-27  Ian Lance Taylor  <iant@google.com>
3492
3493         * testsuite/start_lib_test_3.c: Mark t3 as used.
3494
3495 2010-08-27  Nick Clifton  <nickc@redhat.com>
3496
3497         * options.cc (version_script): Fix small typo in previous
3498         whitespace tidyup.
3499
3500 2010-08-25  Nick Clifton  <nickc@redhat.com>
3501
3502         * archive.cc: Formatting fixes: Remove whitespace between
3503         typename and following asterisk.  Remove whitespace between
3504         function name and opening parenthesis.
3505         * archive.h: Likewise.
3506         * arm.cc: Likewise.
3507         * attributes.cc: Likewise.
3508         * attributes.h: Likewise.
3509         * common.cc: Likewise.
3510         * copy-relocs.cc: Likewise.
3511         * dirsearch.h: Likewise.
3512         * dynobj.cc: Likewise.
3513         * ehframe.cc: Likewise.
3514         * ehframe.h: Likewise.
3515         * expression.cc: Likewise.
3516         * fileread.cc: Likewise.
3517         * fileread.h: Likewise.
3518         * gc.h: Likewise.
3519         * gold-threads.cc: Likewise.
3520         * gold.cc: Likewise.
3521         * i386.cc: Likewise.
3522         * icf.h: Likewise.
3523         * incremental-dump.cc: Likewise.
3524         * incremental.cc: Likewise.
3525         * layout.cc: Likewise.
3526         * layout.h: Likewise.
3527         * main.cc: Likewise.
3528         * merge.cc: Likewise.
3529         * merge.h: Likewise.
3530         * object.cc: Likewise.
3531         * object.h: Likewise.
3532         * options.cc: Likewise.
3533         * options.h: Likewise.
3534         * output.cc: Likewise.
3535         * output.h: Likewise.
3536         * plugin.cc: Likewise.
3537         * plugin.h: Likewise.
3538         * powerpc.cc: Likewise.
3539         * reloc.cc: Likewise.
3540         * script-c.h: Likewise.
3541         * script-sections.cc: Likewise.
3542         * script.cc: Likewise.
3543         * stringpool.cc: Likewise.
3544         * symtab.cc: Likewise.
3545         * symtab.h: Likewise.
3546         * target.cc: Likewise.
3547         * timer.cc: Likewise.
3548         * timer.h: Likewise.
3549         * version.cc: Likewise.
3550         * x86_64.cc: Likewise.
3551
3552 2010-08-24  Nick Clifton  <nickc@redhat.com>
3553
3554         PR 11899
3555         * layout.cc (segment_precedes): Sort segments by their physical
3556         addresses, if they have been set.
3557
3558 2010-08-23  Cary Coutant  <ccoutant@google.com>
3559
3560         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3561         symbols data.
3562         (Lib_group::include_member): Unlock object after deleting its
3563         symbols data.
3564         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3565         the bug fixed here.
3566
3567 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3568             Cary Coutant  <ccoutant@google.com>
3569
3570         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3571         constructor, and set_blocker.
3572         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3573         readsyms_blocker_.
3574         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3575         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3576         * testsuite/Makefile.am (start_lib_test): New test case.
3577         * testsuite/Makefile.in: Regenerate.
3578         * testsuite/start_lib_test_main.c: New file.
3579         * testsuite/start_lib_test_1.c: New file.
3580         * testsuite/start_lib_test_2.c: New file.
3581         * testsuite/start_lib_test_3.c: New file.
3582
3583 2010-08-19  Ian Lance Taylor  <iant@google.com>
3584
3585         * Makefile.in: Rebuild with automake 1.11.1.
3586         * aclocal.m4: Likewise.
3587         * testsuite/Makefile.in: Likewise.
3588
3589 2010-08-19  Ian Lance Taylor  <iant@google.com>
3590
3591         PR 10893
3592         * i386.cc (class Output_data_plt_i386): Update declarations.
3593         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3594         local_ifuncs_ fields.
3595         (Target_i386::do_plt_section_for_global): New function.
3596         (Target_i386::do_plt_section_for_local): New function.
3597         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3598         parameter; change all callers.  Initialize global_ifuncs_ and
3599         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3600         __rel_iplt_end.
3601         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3602         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3603         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3604         symbols.
3605         (Target_i386::make_plt_section): New function, broken out of
3606         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3607         (Target_i386::make_plt_entry): Call make_plt_section.
3608         (Target_i386::make_local_ifunc_plt_entry): New function.
3609         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3610         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3611         R_386_IRELATIVE to switch.
3612         (Target_i386::Scan::global): Likewise.
3613         (Target_i386::Relocate::relocate): Likewise.
3614         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3615         switch.
3616         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3617         (Target_x86_64::do_plt_section_for_global): New function.
3618         (Target_x86_64::do_plt_section_for_local): New function.
3619         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3620         parameter; change all callers.  If doing a static link define
3621         __rela_iplt_start and __rela_iplt_end.
3622         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3623         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3624         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3625         to point to .plt.
3626         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3627         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3628         switch.
3629         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3630         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3631         R_X86_64_IRELATIVE to switch.
3632         (Target_x86_64::Scan::global): Likewise.
3633         (Target_x86_64::Relocate::relocate): Likewise.
3634         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3635         switch.
3636         * target.h (class Target): Add plt_section_for_global and
3637         plt_section_for_local functions.  Add do_plt_section_for_global
3638         and do_plt_section_for_local virtual functions.
3639         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3640         clarifying comments.
3641         (Symbol::use_plt_offset): Handle IFUNC symbol.
3642         * object.cc (Sized_relobj::Sized_relobj): Initialize
3643         local_plt_offsets_.
3644         (Sized_relobj::local_has_plt_offset): New function.
3645         (Sized_relobj::local_plt_offset): New function.
3646         (Sized_relobj::set_local_plt_offset): New function.
3647         (Sized_relobj::do_count): Handle IFUNC symbol.
3648         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3649         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3650         is_ifunc_symbol functions.
3651         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3652         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3653         local_plt_offsets_ field.
3654         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3655         * output.h (class Output_section_data): Add non-const
3656         output_section function.
3657         (class Output_data_got): Update declarations.
3658         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3659         Add use_plt_offset parameter to global and local constructors.
3660         Change all callers.  Change local_sym_index_ field to 31 bits.
3661         Change GSYM_CODE and CONSTANT_CODE accordingly.
3662         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3663         doing a static link don't set sh_link field.
3664         (Output_data_got::Got_entry::write): Use PLT offset if
3665         appropriate.
3666         (Output_data_got::add_global_plt): New function.
3667         (Output_data_got::add_local_plt): New function.
3668         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3669         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3670         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3671         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3672         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3673         IFUNC conditional.
3674         * testsuite/ifunc-sel.h: New file.
3675         * testsuite/ifuncmain1.c: New file.
3676         * testsuite/ifuncmain1vis.c: New file.
3677         * testsuite/ifuncmod1.c: New file.
3678         * testsuite/ifuncdep2.c: New file.
3679         * testsuite/ifuncmain2.c: New file.
3680         * testsuite/ifuncmain3.c: New file.
3681         * testsuite/ifuncmod3.c: New file.
3682         * testsuite/ifuncmain4.c: New file.
3683         * testsuite/ifuncmain5.c: New file.
3684         * testsuite/ifuncmod5.c: New file.
3685         * testsuite/ifuncmain6pie.c: New file.
3686         * testsuite/ifuncmod6.c: New file.
3687         * testsuite/ifuncmain7.c: New file.
3688         * configure, testsuite/Makefile.in: Rebuild.
3689
3690 2010-08-18  Ian Lance Taylor  <iant@google.com>
3691
3692         * incremental.cc
3693         (Output_section_incremental_inputs::write_input_files): Add cast
3694         to avoid signed/unsigned comparison warning.
3695         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3696
3697 2010-08-12  Cary Coutant  <ccoutant@google.com>
3698
3699         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3700
3701 2010-08-13  Ian Lance Taylor  <iant@google.com>
3702
3703         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3704
3705 2010-08-12  Cary Coutant  <ccoutant@google.com>
3706             Doug Kwan  <dougkwan@google.com>
3707
3708         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3709         defintion overrides non-weak undef, remember that the original undef
3710         is not weak.
3711         * symtab.cc (Symbol_table::sized_write_global): For undef without
3712         an original weak binding, set binding to global in output.
3713         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3714         * testsuite/Makefile.in: Regenerate.
3715         * testsuite/strong_ref_weak_def.sh: New file.
3716         * testsuite/strong_ref_weak_def_1.c: Ditto.
3717         * testsuite/strong_ref_weak_def_2.c: Ditto.
3718
3719 2010-08-12  Cary Coutant  <ccoutant@google.com>
3720
3721         * testsuite/incremental_test.sh: Rewrite.
3722         * testsuite/incremental_test_1.c: Rewrite.
3723         * testsuite/incremental_test_2.c: Rewrite.
3724
3725 2010-08-12  Cary Coutant  <ccoutant@google.com>
3726
3727         * arm.cc (Target_arm::got_size): Add const.
3728         (Target_arm::got_entry_count): New function.
3729         (Target_arm::plt_entry_count): New function.
3730         (Target_arm::first_plt_entry_offset): New function.
3731         (Target_arm::plt_entry_size): New function.
3732         (Output_data_plt_arm::entry_count): New function.
3733         (Output_data_plt_arm::first_plt_entry_offset): New function.
3734         (Output_data_plt_arm::get_plt_entry_size): New function.
3735         * i386.cc (Target_i386::got_size): Add const.
3736         (Target_i386::got_entry_count): New function.
3737         (Target_i386::plt_entry_count): New function.
3738         (Target_i386::first_plt_entry_offset): New function.
3739         (Target_i386::plt_entry_size): New function.
3740         (Output_data_plt_i386::entry_count): New function.
3741         (Output_data_plt_i386::first_plt_entry_offset): New function.
3742         (Output_data_plt_i386::get_plt_entry_size): New function.
3743         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3744         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3745         * incremental.cc: Include target.h.
3746         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3747         parameter.  Adjust all callers.  Find incremental_got_plt section.
3748         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3749         section.
3750         (Output_section_incremental_inputs::set_final_data_size): Calculate
3751         size of incremental_got_plt section.
3752         (Output_section_incremental_inputs::do_write): Write the
3753         incremental_got_plt section.
3754         (Got_plt_view_info): New struct.
3755         (Local_got_offset_visitor): New class.
3756         (Global_got_offset_visitor): New class.
3757         (Global_symbol_visitor_got_plt): New class.
3758         (Output_section_incremental_inputs::write_got_plt): New function.
3759         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3760         Add parameter.  Adjust all callers.
3761         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3762         (Incremental_inputs::got_plt_section): New function.
3763         (Incremental_inputs::got_plt_section_): New data member.
3764         (Incremental_got_plt_reader): New class.
3765         * layout.cc (Layout::create_incremental_info_sections): Add the
3766         incremental_got_plt section.
3767         * object.h (Got_offset_list::get_list): New function.
3768         (Got offset_list::for_all_got_offsets): New function.
3769         (Sized_relobj::local_got_offset_list): New function.
3770         * powerpc.cc (Target_powerpc::got_size): Add const.
3771         (Target_powerpc::got_entry_count): New function.
3772         (Target_powerpc::plt_entry_count): New function.
3773         (Target_powerpc::first_plt_entry_offset): New function.
3774         (Target_powerpc::plt_entry_size): New function.
3775         (Output_data_plt_powerpc::entry_count): New function.
3776         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3777         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3778         * sparc.cc (Target_sparc::got_size): Add const.
3779         (Target_sparc::got_entry_count): New function.
3780         (Target_sparc::plt_entry_count): New function.
3781         (Target_sparc::first_plt_entry_offset): New function.
3782         (Target_sparc::plt_entry_size): New function.
3783         (Output_data_plt_sparc::entry_count): New function.
3784         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3785         (Output_data_plt_sparc::get_plt_entry_size): New function.
3786         * symtab.h (Symbol::got_offset_list): New function.
3787         (Symbol_table::for_all_symbols): New function.
3788         * target.h (Sized_target::got_entry_count): New function.
3789         (Sized_target::plt_entry_count): New function.
3790         (Sized_target::plt_entry_size): New function.
3791         * x86_64.cc (Target_x86_64::got_size): Add const.
3792         (Target_x86_64::got_entry_count): New function.
3793         (Target_x86_64::plt_entry_count): New function.
3794         (Target_x86_64::first_plt_entry_offset): New function.
3795         (Target_x86_64::plt_entry_size): New function.
3796         (Output_data_plt_x86_64::entry_count): New function.
3797         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3798         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3799
3800 2010-08-12  Cary Coutant  <ccoutant@google.com>
3801
3802         * archive.cc: Include incremental.h.
3803         (Archive::Archive): Initialize incremental_info_.
3804         (Archive::include_member): Record archive members in incremental info.
3805         (Add_archive_symbols::run): Record begin and end of an archive in
3806         incremental info.
3807         (Lib_group::include_member): Record objects in incremental info.
3808         * archive.h (Incremental_archive_entry): Forward declaration.
3809         (Archive::set_incremental_info): New member function.
3810         (Archive::incremental_info): New member function.
3811         (Archive::Unused_symbol_iterator): New class.
3812         (Archive::unused_symbols_begin): New member function.
3813         (Archive::unused_symbols_end): New member function.
3814         (Archive::incremental_info_): New data member.
3815         * incremental-dump.cc (find_input_containing_global): New function.
3816         (dump_incremental_inputs): Dump new incremental info sections.
3817         * incremental.cc: Include symtab.h.
3818         (Output_section_incremental_inputs): New class.
3819         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3820         new incremental info sections.
3821         (Sized_incremental_binary::do_check_inputs): Likewise.
3822         (Incremental_inputs::report_archive): Remove.
3823         (Incremental_inputs::report_archive_begin): New function.
3824         (Incremental_inputs::report_archive_end): New function.
3825         (Incremental_inputs::report_object): New function.
3826         (Incremental_inputs::finalize_inputs): Remove.
3827         (Incremental_inputs::report_input_section): New function.
3828         (Incremental_inputs::report_script): Rewrite.
3829         (Incremental_inputs::finalize): Do nothing but finalize string table.
3830         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3831         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3832         (Incremental_inputs::create_data_sections): New function.
3833         (Incremental_inputs::relocs_entsize): New function.
3834         (Output_section_incremental_inputs::set_final_data_size): New function.
3835         (Output_section_incremental_inputs::do_write): New function.
3836         (Output_section_incremental_inputs::write_header): New function.
3837         (Output_section_incremental_inputs::write_input_files): New function.
3838         (Output_section_incremental_inputs::write_info_blocks): New function.
3839         (Output_section_incremental_inputs::write_symtab): New function.
3840         * incremental.h (Incremental_script_entry): Forward declaration.
3841         (Incremental_object_entry): Forward declaration.
3842         (Incremental_archive_entry): Forward declaration.
3843         (Incremental_inputs): Forward declaration.
3844         (Incremental_inputs_header_data): Remove.
3845         (Incremental_inputs_header): Remove.
3846         (Incremental_inputs_header_write): Remove.
3847         (Incremental_inputs_entry_data): Remove.
3848         (Incremental_inputs_entry): Remove.
3849         (Incremental_inputs_entry_write): Remove.
3850         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3851         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3852         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3853         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3854         Likewise.
3855         (Incremental_input_entry): New class.
3856         (Incremental_script_entry): New class.
3857         (Incremental_object_entry): New class.
3858         (Incremental_archive_entry): New class.
3859         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3860         (Incremental_inputs::report_inputs): Remove.
3861         (Incremental_inputs::report_archive): Remove.
3862         (Incremental_inputs::report_archive_begin): New function.
3863         (Incremental_inputs::report_archive_end): New function.
3864         (Incremental_inputs::report_object): Change prototype.
3865         (Incremental_inputs::report_input_section): New function.
3866         (Incremental_inputs::report_script): Change prototype.
3867         (Incremental_inputs::get_reloc_count): New function.
3868         (Incremental_inputs::set_reloc_count): New function.
3869         (Incremental_inputs::create_data_sections): New function.
3870         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3871         (Incremental_inputs::inputs_section): New function.
3872         (Incremental_inputs::symtab_section): New function.
3873         (Incremental_inputs::relocs_section): New function.
3874         (Incremental_inputs::get_stringpool): Add const.
3875         (Incremental_inputs::command_line): Add const.
3876         (Incremental_inputs::inputs): Remove.
3877         (Incremental_inputs::command_line_key): New function.
3878         (Incremental_inputs::input_file_count): New function.
3879         (Incremental_inputs::input_files): New function.
3880         (Incremental_inputs::relocs_entsize): New function.
3881         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3882         (Incremental_inputs::finalize_inputs): Remove.
3883         (Incremental_inputs::Input_info): Remove.
3884         (Incremental_inputs::lock_): Remove.
3885         (Incremental_inputs::inputs_): Change type.
3886         (Incremental_inputs::inputs_map_): Remove.
3887         (Incremental_inputs::current_object_entry_): New data member.
3888         (Incremental_inputs::inputs_section_): New data member.
3889         (Incremental_inputs::symtab_section_): New data member.
3890         (Incremental_inputs::relocs_section_): New data member.
3891         (Incremental_inputs::reloc_count_): New data member.
3892         (Incremental_inputs_reader): New class.
3893         (Incremental_symtab_reader): New class.
3894         (Incremental_relocs_reader): New class.
3895         * layout.cc (Layout::finalize): Move finalization of incremental info
3896         and creation of incremental info sections to follow finalization of
3897         symbol table.  Set offsets for postprocessing sections.
3898         (Layout::create_incremental_info_sections): Call
3899         Incremental_inputs::create_data_sections.  Add incremental symtab
3900         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
3901         sections to layout after input sections.
3902         * layout.h (struct Timespec): Forward declaration.
3903         (Layout::incremental_inputs): Add const.
3904         (Layout::create_incremental_info_sections): Add parameter.
3905         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3906         * object.cc: Include incremental.h.
3907         (Relobj::finalize_incremental_relocs): New function.
3908         (Sized_relobj::do_layout): Record input sections in incremental info.
3909         * object.h (Object::output_section): New function.
3910         (Object::output_section_offset): Moved from Relobj.
3911         (Object::get_incremental_reloc_base): New function.
3912         (Object::get_incremental_reloc_count): New function.
3913         (Object::do_output_section): New function.
3914         (Object::do_output_section_offset): Moved from Relobj.
3915         (Object::do_get_incremental_reloc_base): New function.
3916         (Object::do_get_incremental_reloc_count): New function.
3917         (Object::Object): Initialize new data members.
3918         (Relobj::output_section): Renamed do_output_section and moved to
3919         protected.
3920         (Relobj::output_section_offset): Moved to Object.
3921         (Relobj::do_get_incremental_reloc_base): New function.
3922         (Relobj::do_get_incremental_reloc_count): New function.
3923         (Relobj::allocate_incremental_reloc_counts): New function.
3924         (Relobj::count_incremental_reloc): New function.
3925         (Relobj::finalize_incremental_relocs): New function.
3926         (Relobj::next_incremental_reloc_index): New function.
3927         (Relobj::reloc_counts_): New data member.
3928         (Relobj::reloc_bases_): New data member.
3929         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
3930         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
3931         (Sized_relobj::incremental_relocs_scan): New function.
3932         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3933         (Sized_relobj::incremental_relocs_write): New function.
3934         (Sized_relobj::incremental_relocs_write_reltype): New function.
3935         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3936         incremental link.
3937         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3938         archives and object files elsewhere.
3939         (Add_symbols::run): Report object files here.
3940         (Finish_group::run): Report end of archive at end of group.
3941         * reloc.cc: Include layout.h, incremental.h.
3942         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3943         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3944         (Sized_relobj::incremental_relocs_scan): New function.
3945         (Sized_relobj::incremental_relocs_scan_reltype): New function.
3946         (Sized_relobj::do_relocate_sections): Write incremental relocations.
3947         (Sized_relobj::incremental_relocs_write): New function.
3948         (Sized_relobj::incremental_relocs_write_reltype): New function.
3949         * script.cc (read_input_script): Rewrite test for incremental link.
3950         Change call to Incremental_inputs::report_script.
3951         * symtab.h (Symbol_table::first_global_index): New function.
3952         (Symbol_table::output_count): New function.
3953
3954 2010-08-12  Doug Kwan  <dougkwan@google.com>
3955
3956         * arm.cc (Target_arm::merge_object_attributes): Check command line
3957         options --no-wchar-size-warning and --no-enum-size-warning.
3958         * options.h (General_options): Add ld-compatible options
3959         --no-enum-size-warning and --no-wchar-size-warning.
3960
3961 2010-08-04  Ian Lance Taylor  <iant@google.com>
3962
3963         * x86_64.cc (Target_x86_64::Scan::local): Use
3964         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3965         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3966         (Target_x86_64::Scan::global): Likewise.
3967         (Target_x86_64::Relocate::relocate): Likewise.
3968         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3969         Likewise.
3970
3971 2010-08-03  Cary Coutant  <ccoutant@google.com>
3972
3973         * merge.cc (Output_merge_string::do_add_input_section): Count strings
3974         to reserve space in merged_strings vector. Keep total input size
3975         for stats.
3976         (Output_merge_string::do_print_merge_stats): Print total input size.
3977         * merge.h (Output_merge_string): Add input_size_ field.
3978         * stringpool.cc (Stringpool_template::string_length): Move
3979         implementations out of Stringpool_template class and place in
3980         stringpool.h.
3981         * stringpool.h (string_length): Move out of Stringpool_template.
3982
3983 2010-08-03  Ian Lance Taylor  <iant@google.com>
3984
3985         PR 11712
3986         * layout.cc (relaxation_loop_body): If address of load segment is
3987         set, adjust address to include headers if possible.
3988
3989 2010-08-03  Ian Lance Taylor  <iant@google.com>
3990
3991         * version.cc (version_string): Bump to 1.10.
3992
3993 2010-08-03  Ian Lance Taylor  <iant@google.com>
3994
3995         PR 11805
3996         * layout.h (enum Output_section_order): Define.
3997         (class Layout): Update declarations.
3998         * layout.cc (Layout::get_output_section): Add order parameter.
3999         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4000         is_first_non_relro parameters.  Change all callers.
4001         (Layout::choose_output_section): Likewise.
4002         (Layout::add_output_section_data): Likewise.
4003         (Layout::make_output_section): Likewise.  Set order.
4004         (Layout::default_section_order): New function.
4005         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4006         * output.cc (Output_section::Output_section): Initialize order_.
4007         Don't initialize deleted fields.
4008         (Output_segment::Output_segment): Don't initialize deleted
4009         fields.
4010         (Output_segment::add_output_section_to_load): New function
4011         replacing add_output_section.  Change all callers to call this or
4012         add_output_section_to_nonload.
4013         (Output_segment::add_output_section_to_nonload): New function.
4014         (Output_segment::remove_output_section): Rewrite.
4015         (Output_segment::add_initial_output_data): Likewise.
4016         (Output_segment::has_any_data_sections): Likewise.
4017         (Output_segment::is_first_section_relro): Likewise.
4018         (Output_segment::maximum_alignment): Likewise.
4019         (Output_segment::has_dynamic_reloc): New function replacing
4020         dynamic_reloc_count.  Change all callers.
4021         (Output_segment::has_dynamic_reloc_list): New function replacing
4022         dynamic_reloc_count_list.  Change all callers.
4023         (Output_segment::set_section_addresses): Rewrite.
4024         (Output_segment::set_offset): Rewrite.
4025         (Output_segment::find_first_and_last_list): Remove.
4026         (Output_segment::set_tls_offsets): Rewrite.
4027         (Output_segment::first_section_load_address): Likewise.
4028         (Output_segment::output_section_count): Likewise.
4029         (Output_segment::section_with_lowest_load_address): Likewise.
4030         (Output_segment::write_section_headers): Likewise.
4031         (Output_segment::print_sections_to_map): Likewise.
4032         * output.h (class Output_data): Remove dynamic_reloc_count_
4033         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4034         (Output_data::add_dynamic_reloc): Rewrite.
4035         (Output_data::has_dynamic_reloc): New function.
4036         (Output_data::dynamic_reloc_count): Remove.
4037         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4038         is_last_relro_, is_first_non_relro_, is_interp_,
4039         is_dynamic_linker_section_ fields.  Add order and set_order
4040         functions.  Remove is_relro_local, set_is_relro_local,
4041         is_last_relro, set_is_last_relro, is_first_non_relro,
4042         set_is_first_non_relro functions, is_interp, set_is_interp,
4043         is_dynamic_linker_section, and set_is_dynamic_linker_section
4044         functions.
4045         (class Output_segment): Change Output_data_list from std::list to
4046         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4047         output_bss_ fields.  Update declarations.
4048
4049 2010-08-02  Ian Lance Taylor  <iant@google.com>
4050
4051         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4052         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4053         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4054
4055 2010-08-02  Ian Lance Taylor  <iant@google.com>
4056
4057         PR 11855
4058         * script.cc (Script_options::Script_options): Initialize
4059         symbol_definitions_ and symbol_references_.
4060         (Script_options::add_symbol_assignment): Update
4061         symbol_definitions_ and symbol_references_.
4062         (Script_options::add_symbol_reference): New function.
4063         (script_symbol): New function.
4064         * script.h (class Script_options): Add symbol_definitions_ and
4065         symbol_references_ fields.
4066         (Script_options::referenced_const_iterator): New type.
4067         (Script_options::referenced_begin): New function.
4068         (Script_options::referenced_end): New function.
4069         (Script_options::is_referenced): New function.
4070         (Script_options::any_unreferenced): New function.
4071         * script-c.h (script_symbol): Declare.
4072         * yyscript.y (exp): Call script_symbol.
4073         * symtab.cc: Include "script.h".
4074         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4075         Change all callers.  Check symbols referenced by scripts.
4076         (Symbol_table::add_undefined_symbols_from_command_line): Add
4077         layout parameter.  Change all callers.
4078         (Symbol_table::do_add_undefined_symbols_from_command_line):
4079         Likewise.  Break out loop body.  Check symbols referenced by
4080         scripts.
4081         (Symbol_table::add_undefined_symbol_from_command_line): New
4082         function broken out of
4083         do_add_undefined_symbols_from_command_line.
4084         * symtab.h (class Symbol_table): Update declarations.
4085         * archive.cc: Include "layout.h".
4086         (Archive::should_include_member): Add layout parameter.  Change
4087         all callers.  Check for symbol mentioned in expression.
4088         * archive.h (class Archive): Update declaration.
4089         * object.cc (Sized_relobj::do_should_include_member): Add layout
4090         parameter.
4091         * object.h (Object::should_include_member): Add layout parameter.
4092         Change all callers.
4093         (Object::do_should_include_member): Add layout parameter.
4094         (class Sized_relobj): Update declaration.
4095         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4096         parameter.
4097         * dynobj.h (class Sized_dynobj): Update declaration.
4098         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4099         layout parameter.
4100         * plugin.h (class Sized_pluginobj): Update declaration.
4101
4102 2010-08-02  Ian Lance Taylor  <iant@google.com>
4103
4104         PR 11866
4105         * output.cc (Output_segment::set_offset): Search for the first and
4106         last sections rather than assuming that the list is in order.
4107         (Output_segment::find_first_and_last_list): New function.
4108         * output.h (class Output_segment): Update declarations.
4109         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4110         (relro_strip_test_SOURCES): New variable.
4111         (relro_strip_test_DEPENDENCIES): New variable.
4112         (relro_strip_test_LDFLAGS): New variable.
4113         (relro_strip_test_LDADD): New variable.
4114         (relro_strip_test.so): New target.
4115
4116 2010-08-02  Ian Lance Taylor  <iant@google.com>
4117
4118         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4119         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4120         (Target_i386::got_tlsdesc_section): New function.
4121         (Target_i386::got_section): Create space for GOT entries for
4122         TLSDESC relocations.
4123         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4124         R_386_TLS_GOTDESC.
4125         (Target_i386::Scan::global): Likewise.
4126         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4127         using TLSDESC GOT.
4128         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4129         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4130         (Target_x86_64::got_tlsdesc_section): New function.
4131         (Target_x86_64::got_section): Create space for GOT entries for
4132         TLSDESC relocations.
4133         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4134         R_386_TLS_GOTDESC.
4135         (Target_x86_64::Scan::global): Likewise.
4136         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4137         using TLSDESC GOT.
4138
4139 2010-08-02  Ian Lance Taylor  <iant@google.com>
4140
4141         * testsuite/final_layout.sh: Use dc to convert from hex to
4142         decimal.
4143
4144 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4145
4146         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4147         paramter to the call to gold::gc_process_relocs.
4148         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4149         paramter to the call to gold::gc_process_relocs.
4150         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4151         parameter to the call to gold::gc_process_relocs.
4152         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4153         template parameter to the call to gold::gc_process_relocs.
4154         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4155         paramter to the call to gold::gc_process_relocs.
4156         * gc.h (get_embedded_addend_size): New function.
4157         (gc_process_relocs): Save the size of the reloc for use by ICF.
4158         * icf.cc (get_section_contents): Get the addend from the text section
4159         for SHT_REL relocation sections.
4160         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4161         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4162         * int_encoding.h (read_from_pointer): New overloaded function.
4163         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4164         * testsuite/icf_sht_rel_addend_test.sh: New file.
4165         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4166         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4167
4168 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4169
4170         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4171         * Makefile.in: Regenerate.
4172         * testsuite/Makefile.in: Regenerate.
4173
4174 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4175
4176         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4177         * gold/testsuite/debug_msg.cc: Likewise.
4178         * gold/testsuite/odr_violation1.cc
4179         * gold/testsuite/odr_violation2.cc
4180
4181 2010-07-21  Cary Coutant  <ccoutant@google.com>
4182
4183         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4184         string, and length fields.
4185         (Output_merge_string::Merged_strings_list): New type.
4186         (Output_merge_string::Merged_strings_lists): New typedef.
4187         (Output_merge_string): Replace merged_strings_ with
4188         merged_strings_lists_.
4189         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4190         Merged_strings_list per input object and section.  Don't store pointer
4191         to the string.  Don't store length with each merged string entry.
4192         (Output_merge_string::finalize_merged_data): Loop over list of merged
4193         strings lists.  Recompute length of each merged string.
4194
4195 2010-07-15  Cary Coutant  <ccoutant@google.com>
4196
4197         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4198         here.
4199
4200 2010-07-14  Ian Lance Taylor  <iant@google.com>
4201
4202         * descriptors.cc (Descriptors::open): Report correct name in error
4203         message.
4204
4205 2010-07-13  Doug Kwan  <dougkwan@google.com>
4206
4207         * arm.cc (Arm_input_section::Arm_input_section): For a
4208         SHT_ARM_EXIDX section, always keeps the input sections.
4209         (Arm_input_section::set_exidx_section_link): New method.
4210         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4211         has_errors_ to false.
4212         (Arm_exidx_input_section::has_errors,
4213         Arm_exidx_input_section::set_has_errors): New methods.
4214         (Arm_exidx_input_section::has_errors_): New data member.
4215         (Arm_relobj::get_exidx_shndx_list): New method.
4216         (Arm_output_section::append_text_sections_to_list): Do not skip
4217         section without SHF_EXECINSTR.
4218         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4219         errors.
4220         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4221         section header.  Make error messages more verbose.  Check for
4222         a non-executable section linked to an EXIDX section.
4223         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4224         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4225         check that there is no deferred EXIDX section if we exit early.
4226         Instead of not making an EXIDX section in case of an error, make one
4227         and set the has_errors flag of it.
4228         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4229         in a relocatable link.
4230         (Target_arm::do_relax): Look for the EXIDX output section instead of
4231         assuming that it is called .ARM.exidx.
4232         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4233         section list.  Do not check for SHF_EXECINSTR section flags but
4234         skip any input section with errors.
4235         * output.cc (Output_section::Output_section): Initialize
4236         always_keeps_input_sections_ to false.
4237         (Output_section::add_input_section): Check for
4238         always_keeps_input_sections_.
4239         *  output.h (Output_section::always_keeps_input_sections,
4240         Output_section::set_always_keeps_input_sections): New methods.
4241         (Output_section::always_keeps_input_sections): New data member.
4242
4243 2010-07-13  Rafael Espindola  <espindola@google.com>
4244
4245         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4246         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4247
4248 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4249             Ian Lance Taylor  <iant@google.com>
4250
4251         * output.h (Output_section_lookup_maps::add_merge_section):
4252         Correct check of whether value was inserted.
4253         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4254         (Output_section_lookup_maps::add_relaxed_input_section):
4255         Likewise.
4256         * arm.cc (Target_arm::got_section): Remove used local os.
4257         * i386.cc (Target_i386::got_section): Likewise.
4258         * x86_64.cc (Target_x86_64::got_section): Likewise.
4259         * sparc.cc (Target_sparc::got_section): Likewise.
4260         (Target_sparc::relocate): Remove unused local have_got_offset.
4261         * powerpc.cc (Target_powerpc::relocate): Likewise.
4262
4263 2010-07-13  Ian Lance Taylor  <iant@google.com>
4264
4265         * compressed_output.cc (zlib_decompress): Fix signature in
4266         !HAVE_ZLIB_H case.
4267
4268         * archive.cc (Archive::include_member): Unlock an external member
4269         of a thin archive.  Don't bother to delete an object we know is
4270         NULL.
4271
4272 2010-07-12  Cary Coutant  <ccoutant@google.com>
4273
4274         * compressed_output.cc (zlib_decompress): New function.
4275         (get_uncompressed_size): New function.
4276         (decompress_input_section): New function.
4277         * compressed_output.h (get_uncompressed_size): New function.
4278         (decompress_input_section): New function.
4279         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4280         Handle compressed debug sections.
4281         * layout.cc (is_compressed_debug_section): New function.
4282         (Layout::output_section_name): Map compressed section names to
4283         canonical names.
4284         * layout.h (is_compressed_debug_section): New function.
4285         (is_debug_info_section): Recognize compressed debug sections.
4286         * merge.cc: Include compressed_output.h.
4287         (Output_merge_data::do_add_input_section): Handle compressed
4288         debug sections.
4289         (Output_merge_string::do_add_input_section): Handle compressed
4290         debug sections.
4291         * object.cc: Include compressed_output.h.
4292         (Sized_relobj::Sized_relobj): Initialize new data members.
4293         (build_compressed_section_map): New function.
4294         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4295         * object.h (Object::section_is_compressed): New method.
4296         (Object::do_section_is_compressed): New method.
4297         (Sized_relobj::Compressed_section_map): New type.
4298         (Sized_relobj::do_section_is_compressed): New method.
4299         (Sized_relobj::compressed_sections_): New data member.
4300         * output.cc (Output_section::add_input_section): Handle compressed
4301         debug sections.
4302         * reloc.cc: Include compressed_output.h.
4303         (Sized_relobj::write_sections): Handle compressed debug sections.
4304
4305 2010-07-08  Cary Coutant  <ccoutant@google.com>
4306
4307         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4308         weak when resolving to a dynamic def.
4309         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4310         for weak undef/dynamic def cases. Adjust callers.
4311         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4312         undef_binding_weak_.
4313         (Symbol_table::sized_write_globals): Adjust symbol binding.
4314         (Symbol_table::sized_write_symbol): Add binding parameter.
4315         * symtab.h (Symbol::set_undef_binding): New method.
4316         (Symbol::is_undef_binding_weak): New method.
4317         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4318         (Symbol_table::should_override): Add new parameter.
4319         (Symbol_table::sized_write_symbol): Add new parameter.
4320
4321         * testsuite/weak_undef_file1.cc: Add new test case.
4322         * testsuite/weak_undef_file2.cc: Fix header comment.
4323         * testsuite/weak_undef_test.cc: Add new test case.
4324
4325 2010-06-29  Doug Kwan  <dougkwan@google.com>
4326
4327         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4328         Initialize USE_SYMBOL_.
4329         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4330         definition.
4331         (Arm_reloc_property::uses_symbol_): New data member declaration.
4332         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4333         uses symbol value and symbol is undefined but not weakly undefined.
4334
4335 2010-06-28  Rafael Espindola  <espindola@google.com>
4336
4337         * plugin.cc (Plugin::load): Use dlerror.
4338
4339 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4340
4341         * symtab.cc (detect_odr_violations): When reporting an ODR
4342         violation, report an object where the symbol is defined.
4343
4344 2010-06-25  Doug Kwan  <dougkwan@google.com>
4345
4346         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4347         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4348         definition.
4349         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4350         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4351         target hook to detect function points.
4352         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4353         * icf.h (Icf::check_section_for_function_pointers): Change type of
4354         parameter SECTION_NAME to const reference to std::string.  Use
4355         target hook to determine if section may have unsafe pointers.
4356         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4357         method definition.
4358
4359 2010-06-21  Rafael Espindola  <espindola@google.com>
4360
4361         * fileread.cc (Input_file::find_fie): New
4362         (Input_file::open): Use Input_file::find_fie.
4363         * fileread.h (Input_file::find_fie): New
4364         * plugin.cc (set_extra_library_path): New.
4365         (Plugin::load): Add set_extra_library_path to the transfer vector.
4366         (Plugin_manager::set_extra_library_path): New.
4367         (Plugin_manager::add_input_file): Use the extra search path if set.
4368         (set_extra_library_path(): New.
4369         * plugin.h (Plugin_manager): Add set_extra_library_path and
4370         extra_search_path_.
4371
4372 2010-06-19  Cary Coutant  <ccoutant@google.com>
4373
4374         * layout.cc (gdb_sections): Add .debug_types.
4375         (lines_only_debug_sections): Likewise.
4376
4377 2010-06-18  Rafael Espindola  <espindola@google.com>
4378
4379         * plugin.cc (add_input_file,add_input_library)
4380         (Plugin_manager::add_input_file): Make filename arguments const.
4381         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4382         const.
4383
4384 2010-06-16  Doug Kwan  <dougkwan@google.com>
4385
4386         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4387         .ARM.attributes section if we have not merged any input
4388         attributes sections.
4389
4390 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4391
4392         * arm.cc: Allow combining objects with no EABI version
4393         information.
4394
4395 2010-06-15  Rafael Espindola  <espindola@google.com>
4396
4397         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4398
4399 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4400
4401         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4402         (struct iovec): Correct !HAVE_READV definition.
4403
4404 2010-06-10  Cary Coutant  <ccoutant@google.com>
4405
4406         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4407         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4408         reloc sections.
4409         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4410
4411         PR 11683
4412         * symtab.h (Symbol::is_placeholder): New member function.
4413         * target-reloc.h (relocate_section): Check for placeholder symbols.
4414
4415         * testsuite/Makefile.am (plugin_test_8): New test.
4416         (plugin_test_9): New test.
4417         * testsuite/Makefile.in: Regenerate.
4418
4419 2010-06-09  Nick Clifton  <nickc@redhat.com>
4420
4421         * yyscript.y (input_list_element): Allow strings prefixed with
4422         the '-' character.  Treat these as libraries.
4423         * script.cc (script_add_library): New function.  Adds a library
4424         specified by "-l<name>" found in an input script.
4425         * script-c.h: Add prototype for script_add_library.
4426
4427 2010-06-07  Doug Kwan  <dougkwan@google.com>
4428
4429         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4430         Restrict stub-group size to be within long conditional branch
4431         range when working around cortex-A8 erratum.
4432
4433 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4434
4435         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4436         #ifdef typo.
4437
4438 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4439
4440         PR gold/11658
4441         * output.cc
4442         (Output_section::Input_section_sort_entry::compare_section_ordering):
4443         Change to return non-zero correctly.
4444         (Output_section::Input_section_sort_section_order_index_compare
4445         ::operator()): Change to fix ambiguity in comparisons.
4446
4447 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4448
4449         * gold.h (is_wildcard_string): New function.
4450         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4451         (Layout::layout_eh_frame): Ditto.
4452         (Layout::find_section_order_index): New method.
4453         (Layout::read_layout_from_file): New method.
4454         * layout.h (Layout::find_section_order_index): New method.
4455         (Layout::read_layout_from_file): New method.
4456         (Layout::input_section_position_): New private member.
4457         (Layout::input_section_glob_): New private member.
4458         * main.cc (main): Call read_layout_from_file here.
4459         * options.h (--section-ordering-file): New option.
4460         * output.cc (Output_section::input_section_order_specified_): New
4461         member.
4462         (Output_section::Output_section): Initialize new member.
4463         (Output_section::add_input_section): Add new parameter.
4464         Keep input sections when --section-ordering-file is used.
4465         (Output_section::set_final_data_size): Sort input sections when
4466         section ordering file is specified.
4467         (Output_section::Input_section_sort_entry): Add new parameter.
4468         Check sorting type.
4469         (Output_section::Input_section_sort_entry::compare_section_ordering):
4470         New method.
4471         (Output_section::Input_section_sort_compare::operator()): Change to
4472         consider section_order_index.
4473         (Output_section::Input_section_sort_init_fini_compare::operator()):
4474         Change to consider section_order_index.
4475         (Output_section::Input_section_sort_section_order_index_compare
4476         ::operator()): New method.
4477         (Output_section::sort_attached_input_sections): Change to sort
4478         according to section order when specified.
4479         (Output_section::add_input_section<32, true>): Add new parameter.
4480         (Output_section::add_input_section<64, true>): Add new parameter.
4481         (Output_section::add_input_section<32, false>): Add new parameter.
4482         (Output_section::add_input_section<64, false>): Add new parameter.
4483         * output.h (Output_section::add_input_section): Add new parameter.
4484         (Output_section::input_section_order_specified): New
4485         method.
4486         (Output_section::set_input_section_order_specified): New method.
4487         (Input_section::Input_section): Initialize section_order_index_.
4488         (Input_section::section_order_index): New method.
4489         (Input_section::set_section_order_index): New method.
4490         (Input_section::section_order_index_): New member.
4491         (Input_section::Input_section_sort_section_order_index_compare): New
4492         struct.
4493         (Output_section::input_section_order_specified_): New member.
4494         * script-sections.cc (is_wildcard_string): Delete and move modified
4495         method to gold.h.
4496         (Output_section_element_input::Output_section_element_input): Modify
4497         call to is_wildcard_string.
4498         (Output_section_element_input::Input_section_pattern
4499         ::Input_section_pattern): Ditto.
4500         (Output_section_element_input::Output_section_element_input): Ditto.
4501         * testsuite/Makefile.am (final_layout): New test case.
4502         * testsuite/Makefile.in: Regenerate.
4503         * testsuite/final_layout.cc: New file.
4504         * testsuite/final_layout.sh: New file.
4505
4506 2010-06-01  Rafael Espindola  <espindola@google.com>
4507
4508         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4509
4510 2010-06-01  Rafael Espindola  <espindola@google.com>
4511
4512         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4513         visibility of symbols.
4514
4515 2010-05-27  Doug Kwan  <dougkwan@google.com>
4516
4517         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4518         from start of output section instead of address for a local symbol
4519         in a merged or relaxed section when doing a relocatable link.
4520
4521 2010-05-26  Rafael Espindola  <espindola@google.com>
4522
4523        PR 11604
4524         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4525         adding sections the garbage collector removed.
4526         * gold/testsuite/Makefile.am: Add test.
4527         * gold/testsuite/Makefile.in: Regenerate.
4528         * gold/testsuite/plugin_test_7.sh: New.
4529         * gold/testsuite/plugin_test_7_1.c: New.
4530         * gold/testsuite/plugin_test_7_2.c: New.
4531
4532 2010-05-26  Rafael Espindola  <espindola@google.com>
4533
4534         * script-sections.cc (Output_section_definition::set_section_addresses):
4535         Check for --section-start.
4536
4537 2010-05-26  Doug Kwan  <dougkwan@google.com>
4538
4539         * arm.cc (Arm_scan_relocatable_relocs): New class.
4540         (Target_arm::relocate_special_relocatable): New method.
4541         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4542         (Arm_relocate_functions::thumb_branch_common): Same.
4543         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4544         instead of Default_scan_relocatable_relocs.
4545         * target-reloc.h (relocate_for_relocatable): Let target handle
4546         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4547         * target.h (Sized_target::relocate_special_relocatable): New method.
4548
4549 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4550
4551         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4552
4553 2010-05-23  Doug Kwan  <dougkwan@google.com>
4554
4555         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4556         instead of a cast.
4557         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4558         with a direct branch, not a conditional branch, to a stub.
4559         * merge.cc (Output_merge_base::record_input_section): New method
4560         defintion.
4561         (Output_merge_data::do_add_input_section): Record input section if
4562         keeps-input-sections flag is set.
4563         (Output_merge_string::do_add_input_section): Ditto.
4564         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4565         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4566         INPUT_SECTIONS_.
4567         (Output_merge_base::keeps_input_sections,
4568         Output_merge_base::set_keeps_input_sections,
4569         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4570         method definitions.
4571         (Output_merge_base::Input_sections): New type declaration.
4572         (Output_merge_base::input_sections_begin,
4573         Output_merge_base::input_sections_end,
4574         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4575         (Output_merge_base::bool keeps_input_sections_,
4576         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4577         Output_merge_base::input_sections_): New data members.
4578         (Output_merge_data::do_set_keeps_input_sections): New method
4579         defintion.
4580         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4581         * output.cc (Output_section::Input_section::relobj): Move method
4582         defintion from class declaration to here and handle merge sections.
4583         (Output_section::Input_section::shndx): Ditto.
4584         (Output_section::Output_section): Remove initializations of removed
4585         data members and initialize new data member LOOKUP_MAPS_.
4586         (Output_section::add_input_section): Set keeps-input-sections flag
4587         for a newly created merge output section as appropriate.  Adjust code
4588         to use Output_section_lookup_maps class.
4589         (Output_section::add_relaxed_input_section): Adjst code for lookup
4590         maps code refactoring.
4591         (Output_section::add_merge_input_section): Add a new parameter
4592         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4593         class.  If adding input section to a newly created merge output
4594         section fails, remove the new merge section.
4595         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4596         Adjust code for use of the Output_section_lookup_maps class.
4597         (Output_section::find_merge_section): Ditto.
4598         (Output_section::build_lookup_maps): New method defintion.
4599         (Output_section::find_relaxed_input_section): Adjust code to use
4600         Output_section_lookup_maps class.
4601         (Output_section::get_input_sections): Export merge sections.  Adjust
4602         code to use Output_section_lookup_maps class.
4603         (Output_section:::add_script_input_section): Adjust code to use
4604         Output_section_lookup_maps class.  Update lookup maps for merge
4605         sections also.
4606         (Output_section::discard_states): Use Output_section_lookup_maps.
4607         (Output_section::restore_states): Same.
4608         * output.h (Merge_section_properties): Move class defintion out of
4609         Output_section.
4610         (Output_section_lookup_maps): New class.
4611         (Output_section::Input_section::is_merge_section): New method
4612         defintion.
4613         (Output_section::Input_section::relobj): Move defintion out of class
4614         defintion.  Declare method only.
4615         (Output_section::Input_section::shndx): Ditto.
4616         (Output_section::Input_section::output_merge_base): New method defintion.
4617         (Output_section::Input_section::u2_.pomb): New union field.
4618         (Output_section::Merge_section_by_properties_map,
4619         Output_section::Output_section_data_by_input_section_map,
4620         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4621         Remove types.
4622         (Output_section::add_merge_input_section): Add new parameter
4623         KEEPS_INPUT_SECTIONS.
4624         (Output_section::build_lookup_maps): New method declaration.
4625         (Output_section::merge_section_map_,
4626         Output_section::merge_section_by_properties_map_,
4627         Output_section::relaxed_input_section_map_,
4628         Output_section::is_relaxed_input_section_map_valid_): Remove data
4629         members.
4630         (Output_section::lookup_maps_): New data member.
4631
4632 2010-05-21  Doug Kwan  <dougkwan@google.com>
4633
4634         PR gold/11619
4635         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4636         avoid a compilation error.
4637
4638 2010-05-19  Rafael Espindola  <espindola@google.com>
4639
4640         * script-sections.cc (Output_section_definition::allocate_to_segment):
4641         Update the phdrs_list even when the output section is NULL.
4642         * testsuite/Makefile.am: Add test.
4643         * testsuite/Makefile.in: Regenerate.
4644         * testsuite/script_test_9.cc: New.
4645         * testsuite/script_test_9.sh: New.
4646         * testsuite/script_test_9.t: New.
4647
4648 2010-05-19  Doug Kwan  <dougkwan@google.com>
4649
4650         * arm.cc (Arm_input_section::original_size): New method.
4651         (Arm_input_section::do_addralign): Add a cast.
4652         (Arm_input_section::do_output_offset): Remove static cast.
4653         (Arm_input_section::original_addralign,
4654          Arm_input_section::original_size_): Change type to uint32_t.
4655         (Arm_input_section::init): Add safe casts for section alignment
4656         and size.
4657         (Arm_input_section::set_final_data_size): Do not set address and
4658         offset of stub table.
4659         (Arm_output_section::fix_exidx_coverage): Change use of of
4660         Output_section::Simple_input_section to that of
4661         Output_section::Input_section.
4662         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4663         except for the first pass.
4664         * output.cc (Output_section::get_input_sections): Change type of
4665         input_sections to std::list<Input_section>.
4666         (Output_section::add_script_input_section): Rename from
4667         Output_section::add_simple_input_section.  Change type of SIS
4668         parameter from Simple_input_section to Input_section.
4669         * output.h (Output_section::Simple_input_section): Remove class.
4670         (Output_section::Input_section): Change class visibility to public.
4671         (Output_section::Input_section::addralign): Use stored alignments
4672         for special input sections if set.
4673         (Output_section::Input_section::set_addralign): New method.
4674         (Output_section::get_input_sections): Change parameter type from
4675         list of Simple_input_section to list of Input_section.
4676         (Output_section::add_script_input_section): Rename from
4677         Output_section::add_simple_input_section. Change first parameter's
4678         type from Simple_input_section to Input_section and remove the
4679         second and third parameters.
4680         * script-sections.cc (Input_section::Input_section_list): Change
4681         type to list of Output_section::Input_section/
4682         (Input_section_info::Input_section_info): Change parameter type of
4683         INPUT_SECTION to Output_section::Input_section.
4684         (Input_section_info::input_section): Change return type.
4685         (Input_section_info::input_section_): Change type to
4686         Output_section::Input_section.
4687         (Output_section_element_input::set_section_addresses): Adjust code
4688         to use Output_section::Input_section instead of
4689         Output_section::Simple_input_section.  Adjust code for renaming
4690         of Output_section::add_simple_input_section.
4691         (Orphan_output_section::set_section_addresses): Ditto.
4692
4693 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4694
4695         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4696         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4697
4698 2010-05-18  Rafael Espindola  <espindola@google.com>
4699
4700         * options.cc (General_options::finalize): Handle -nostdlib.
4701         * options.h (nostdlib): New option.
4702         * script.cc (script_add_search_dir): Handle -nostdlib.
4703
4704 2010-05-12  Doug Kwan  <dougkwan@google.com>
4705
4706         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4707         attributes section only if there no attributes section after merging.
4708         (Target_arm::merge_object_attributes): Move value of
4709         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4710         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4711         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4712         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4713         and arm_attr_merge_7.stdout.
4714         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4715         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4716         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4717         arm_attr_merge_7b.o): New rules.
4718         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4719         arm_attr_merge_7
4720         * testsuite/Makefile.in: Regenerate.
4721         * testsuite/arm_attr_merge.sh: New file.
4722         * testsuite/arm_attr_merge_[67][ab].s: Same.
4723
4724 2010-05-05  Nick Clifton  <nickc@redhat.com>
4725
4726         * po/es.po: Updated Spanish translation.
4727
4728 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4729
4730         * Makefile.am (install-exec-local): Properly install gold as
4731         default cross linker.
4732         * Makefile.in: Regenerated.
4733
4734 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4735             Nick Clifton  <nickc@redhat.com>
4736
4737         * configure.ac (install_as_default): Define and set to false
4738         unless --enable-gold or --enable-gold=both/gold has been
4739         specified.
4740         * configure: Regenerate.
4741
4742         * Makefile.am (install-exec-local): Install the executable as
4743         'ld.gold'.  If install_as_default is true then also install it as
4744         'ld'.
4745         * Makefile.in: Regenerated.
4746
4747 2010-04-24  Ian Lance Taylor  <iant@google.com>
4748
4749         * layout.cc (Layout::layout_reloc): In relocatable link don't
4750         combine reloc sections for grouped sections.
4751
4752 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4753
4754         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4755         sections that are not ordinary to icf.
4756         * icf.cc (get_section_contents): Handle relocation pointing to section
4757         with no object or shndx information.
4758         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4759         * testsuite/Makefile.in: Regenerate.
4760         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4761         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4762
4763 2010-04-22  Ian Lance Taylor  <iant@google.com>
4764
4765         * expression.cc (Expression::Expression_eval_info): Add
4766         result_alignment_pointer field.
4767         (Expression::eval_with_dot): Add result_alignment_pointer
4768         parameter.  Change all callers.
4769         (Expression::eval_maybe_dot): Likewise.
4770         (class Binary_expression): Add alignment_pointer parameter to
4771         left_value and right_value.  Change all callers.
4772         (BINARY_EXPRESSION): Set result alignment.
4773         (class Trinary_expression): Add alignment_pointer parameter to
4774         arg2_value and arg3_value.  Change all callers.
4775         (Trinary_cond::value): Set result alignment.
4776         (Max_expression::value, Min_expression::value): Likewise.
4777         (Align_expression::value): Likewise.
4778         * script-sections.cc (class Sections_element): Add dot_alignment
4779         parameter to set_section_addresses virtual function.  Update
4780         instantiations.
4781         (class Output_section_element): Likewise.
4782         (Script_sections::create_segments): Add dot_alignment parameter.
4783         Change all callers.
4784         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4785         (Script_sections::set_phdrs_clause_addresses): Likewise.
4786         * script-sections.h: Update declarations.
4787         * script.h: Update declarations.
4788         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4789         min_p_align.
4790         * testsuite/script_test_3.t: Set large alignment.
4791         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4792         segment has expected alignment.
4793
4794 2010-04-22  Nick Clifton  <nickc@redhat.com>
4795
4796         * po/gold.pot: Updated by the Translation project.
4797         * po/vi.po: Updated Vietnamese translation.
4798
4799 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4800
4801         * testsuite/Makefile.am (check_PROGRAMS): Add
4802         icf_virtual_function_folding_test.
4803         * testsuite/Makefile.in: Regenerated.
4804
4805 2010-04-15  Andrew Haley  <aph@redhat.com>
4806
4807         * options.h (merge_exidx_entries): New option.
4808         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4809         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4810         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4811         (Target_arm::merge_exidx_entries): New function.
4812         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4813         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4814         to Arm_exidx_fixup constructor.
4815         Add new arg, merge_exidx_entries.
4816         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4817         Arm_output_section::fix_exidx_coverage.
4818
4819 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4820
4821         * icf.cc (get_section_contents): Check for preemptible functions.
4822         Ignore addend when appropriate.
4823         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4824         section folded.
4825         (add_from_relobj): Check for section folded.
4826         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4827         * symtab.h (should_add_dynsym_entry): Add new parameter.
4828         * target-reloc.h (scan_relocs): Check for section folded.
4829         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4830         Check reloc types for function pointers in shared objects.
4831         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4832         case.
4833         (icf_preemptible_functions_test): New test case.
4834         (icf_string_merge_test): New test case.
4835         * testsuite.Makefile.in: Regenerate.
4836         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4837         bar_glob.  Refactor code.
4838         * testsuite/icf_preemptible_functions_test.cc: New file.
4839         * testsuite/icf_preemptible_functions_test.sh: New file.
4840         * testsuite/icf_string_merge_test.cc: New file.
4841         * testsuite/icf_string_merge_test.sh: New file.
4842         * testsuite/icf_virtual_function_folding_test.cc: New file.
4843         * testsuite/icf_virtual_function_folding_test.sh: New file.
4844
4845 2010-04-14  Doug Kwan  <dougkwan@google.com>
4846
4847         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4848         for local symbol recounting if we remove a section due to ICF.
4849         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4850         there are no regular objects in input.
4851
4852 2010-04-13  Doug Kwan  <dougkwan@google.com>
4853
4854         * arm.cc (Arm_input_section::set_final_data_size): Compute
4855         accurate final data size instead of using current data size.
4856
4857 2010-04-09  Doug Kwan  <dougkwan@google.com>
4858
4859         * layout.cc (Layout::choose_output_section): Handle script section
4860         types.
4861         (Layout::make_output_section_for_script): Add section type parameter.
4862         Handle script section types.
4863         * layout.h (Layout::make_output_section_for_script): Add section
4864         type parameter.
4865         * output.cc (Output_section::Output_section): Initialize data member
4866         is_noload_.
4867         (Output_section::do_reset_address_and_file_offset): Do not set address
4868         to 0 if section is a NOLOAD section.
4869         * output.h (Output_section::is_noload): New method.
4870         (Output_section::set_is_noload): Ditto.
4871         (Output_section::is_noload_): New data member.
4872         * script-c.h (Script_section_type): New enum type.
4873         (struct Parser_output_section_header): Add new file section_type.
4874         * script-sections.cc (Sections_element::output_section_name): Add
4875         parameter for returning script section type.
4876         (Output_section_definition::output_section_name): Ditto.
4877         (Output_section_definition::section_type)P; New method.
4878         (Output_section_definiton::script_section_type_name): Ditto.
4879         (Output_section_definition::script_section_type_): New data member.
4880         (Output_section_definition::Output_section_definition): Initialize
4881         data member Output_section_definition::script_section_type_.
4882         (Output_section_definition::create_sections): Pass script section type
4883         to Layout::make_output_section_for_script.
4884         (Output_section_definition::output_section_name): Return script
4885         section type to caller.
4886         (Output_section_definition::set_section_address): Do not advance
4887         dot value and load address if section type is NOLOAD.  Set address
4888         of NOLOAD sections regardless of section flags.
4889         (Output_section_definition::print): Print section type if it is
4890         not SCRIPT_SECTION_TYPE_NONE.
4891         (Output_section_definition::section_type): New method.
4892         (Output_section_definition::script_section_type_name): Ditto.
4893         (Script_sections::output_section_name): Add new parameter
4894         PSECTION_TYPE for returning script section type.  Pass it to
4895         section elements.  Handle discard sections.
4896         (Sort_output_sections::operator()): Handle NOLOAD sections.
4897         * script-sections.h (Script_sections::Section_type): New enum type.
4898         (Script_sections::output_section_name): Add a new parameter for
4899         returning script section type.
4900         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4901         INFO and NOLOAD.
4902         * yyscript.y (union): Add new field SECTION_TYPE.
4903         (COPY, DSECT, INFO, NOLOAD): New tokens.
4904         (opt_address_and_section_type): Change type to output_section_header.
4905         (section_type): New non-terminal
4906         (section_header): Handle section type.
4907         (opt_address_and_section_type): Return section type value.
4908
4909 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4910
4911         * testsuite/plugin_common_test_1.c (foo): Add prototype.
4912         * testsuite/plugin_common_test_2.c (foo): Likewise.
4913
4914 2010-04-08  Doug Kwan  <dougkwan@google.com>
4915
4916         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4917         Output_merge_data.
4918         * output.cc (Output_section::add_merge_input_section): Simplify
4919         code and return status of Output_merge_base::add_input_section.
4920         Update merge section map only if Output_merge_base::add_input_section
4921         returns true.
4922
4923 2010-04-07  Doug Kwan  <dougkwan@google.com>
4924
4925         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4926         if section is marked as containing instructions but has no mapping
4927         symbols.
4928         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4929         correct section index.
4930         (Arm_relobj::find_linked_text_section): Ditto.
4931
4932 2010-04-07  Cary Coutant  <ccoutant@google.com>
4933
4934         * archive.cc (include_member): Destroy Read_symbols_data object before
4935         releasing file.
4936         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4937         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4938         (Read_symbols_data::~Read_symbols_data) New destructor.
4939         (Section_relocs::Section_relocs) New constructor.
4940         (Section_relocs::~Section_relocs) New destructor.
4941         (Read_relocs_data::Read_relocs_data) New constructor.
4942         (Read_relocs_data::~Read_relocs_data) New destructor.
4943         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4944         pointers to NULL after deleting.
4945
4946 2010-04-07  Doug Kwan  <dougkwan@google.com>
4947
4948         * arm.cc: Replace "endianity" with "endianness" in comments.
4949         (Arm_exidx_cantunwind): Ditto.
4950         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4951         (Arm_relobj::merge_flags_and_attributes): New method.
4952         (Arm_relobj::merge_flags_and_attributes_): New data member.
4953         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4954         (Arm_relobj::scan_sections_for_stubs): Ditto.
4955         (Arm_relobj::do_read_symbols): Check to see if we really want to
4956         merge processor-specific flags and attributes.  Exit early if
4957         an object is empty except for section names and the undefined symbol.
4958         (Target_arm::do_finalize_sections): Move check for ELF format to
4959         Arm_relobj::do_read_symbols.  Merge processor specific flags and
4960         attributes from a regular object only when we have determined that
4961         it is aapropriate.  Do not create an .ARM.attributes section in
4962         output if there is no regular input object.
4963         (Target_arm::merge_processor_specific_flags): Check
4964         --warn-mismatch before printing any error.
4965         (Target_arm::merge_object_attributes): Ditto.
4966         * gold.cc (queue_middle_tasks): Handle the case in which there is
4967         no regular object in input.
4968         * options.cc (General_options::parse_EB): New method.
4969         (General_options::parse_EL): Same.
4970         (General_options::General_options): Initialize endianness_.
4971         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4972         New options.
4973         (General_options::Endianness): New enum.
4974         (General_options::endianness): New method.
4975         (General_options::endianness_): New data member.
4976         * parameters.cc (Parameters::set_options): Check target endianness.
4977         (Parameters::set_target_once): Ditto.
4978         (Parameters::check_target_endianness): New method.
4979         (parameters_force_valid_target): If either -EL or -EB is specified,
4980         use it to define endianness of default target.
4981         * parameters.h (Parameters::check_target_endianness): New method
4982         declaration.
4983         * target.h (class Target): Change "endianity" to "endianness"
4984         in comments.
4985
4986 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4987
4988         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4989         * configure: Regenerate.
4990         * Makefile.in: Regenerate.
4991         * testsuite/Makefile.in: Regenerate.
4992
4993 2010-04-06  Cary Coutant  <ccoutant@google.com>
4994
4995         gcc PR lto/42757
4996         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4997         prevailing definitions of common symbols.
4998         * testsuite/plugin_test_6.sh: New test case.
4999         * testsuite/plugin_common_test_1.c: New test case.
5000         * testsuite/plugin_common_test_2.c: New test case.
5001         * testsuite/Makefile.am (plugin_test_6): New test case.
5002         * testsuite/Makefile.in: Regenerate.
5003
5004 2010-04-06  Nick Clifton  <nickc@redhat.com>
5005
5006         * po/vi.po: New Vietnamese translation.
5007
5008 2010-03-30  Doug Kwan  <dougkwan@google.com>
5009
5010         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5011
5012 2010-03-25  Doug Kwan  <dougkwan@google.com>
5013
5014         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5015         to avoid a conversion warning on a 32-bit host.
5016
5017 2010-03-24  Ian Lance Taylor  <iant@google.com>
5018
5019         * testsuite/script_test_3.t: Add a TLS segment.
5020         * testsuite/Makefile.am (check_PROGRAMS): Add
5021         tls_phdrs_script_test.
5022         (tls_phdrs_script_test_SOURCES): Define.
5023         (tls_phdrs_script_test_DEPENDENCIES): Define.
5024         (tls_phdrs_script_test_LDFLAGS): Define.
5025         (tls_phdrs_script_test_LDADD): Define.
5026         * testsuite/Makefile.in: Rebuild.
5027
5028 2010-03-23  Cary Coutant  <ccoutant@google.com>
5029
5030         * fileread.cc (find_or_make_view): Fix comment.
5031
5032 2010-03-23  Ian Lance Taylor  <iant@google.com>
5033
5034         * script-sections.cc (class Orphan_section_placement): Define
5035         PLACE_TLS and PLACE_TLS_BSS.
5036         (Orphan_section_placement::Orphan_section_placement): Initialize
5037         new places.
5038         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5039         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5040         (tls_script_test_SOURCES): Define.
5041         (tls_script_test_DEPENDENCIES): Define.
5042         (tls_script_test_LDFLAGS): Define.
5043         (tls_script_test_LDADD): Define.
5044         * testsuite/Makefile.in: Rebuild.
5045
5046 2010-03-22  Doug Kwan  <dougkwan@google.com>
5047
5048         * arm.cc (Arm_relocate_functions::abs8,
5049         Arm_relocate_functions::abs16): Use correct check for overflow
5050         specified in the ARM ELF specs.
5051         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5052         target of a BLX instruction specially.
5053         (Reloc_stub::stub_type_for_reloc): Ditto.
5054         (Relocate::relocate): Use symbolic names instead of numeric relocation
5055         codes to report error.
5056         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5057         workaround.
5058         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5059         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5060         thumb2_blx_out_of_range.stdout
5061         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5062         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5063         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5064         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5065         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5066         thumb2_blx_in_range, thumb2_blx_in_range.o,
5067         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5068         thumb2_blx_out_of_range.o): New rules.
5069         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5070         thumb2_blx_in_range and thumb2_blx_out_of_range.
5071         * testsuite/Makefile.in: Regenerate.
5072         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5073         * testsuite/thumb_blx_in_range.s: New file.
5074         * testsuite/thumb_blx_out_of_range.s: New file.
5075
5076 2010-03-22  Rafael Espindola  <espindola@google.com>
5077
5078         * archive.cc (Should_include): Move to archive.h.
5079         (should_include_member): Make it a member of Archive.
5080         (Lib_group): New.
5081         (Add_lib_group_symbols): New.
5082         * archive.h: Include options.h.
5083         (Archive_member): Moved from Archive.
5084         (Should_include): Moved from archive.cc.
5085         (Lib_group): New.
5086         (Add_lib_group_symbols): New.
5087         * dynobj.cc (do_should_include_member): New.
5088         * dynobj.h (do_should_include_member): New.
5089         * gold.cc (queue_initial_tasks): Update call to queue.
5090         * main.cc (main): Print lib group stats.
5091         * object.cc (do_should_include_member): New.
5092         * object.h: Include archive.h.
5093         (Object::should_include_member): New.
5094         (Object::do_should_include_member): New.
5095         (Sized_relobj::do_should_include_member): New.
5096         * options.cc (General_options::parse_start_lib): New.
5097         (General_options::parse_end_lib): New.
5098         (Input_arguments::add_file): Handle lib groups.
5099         (Input_arguments::start_group): Check we are not in a lib.
5100         (Input_arguments::start_lib): New.
5101         (Input_arguments::end_lib): New.
5102         * options.h (General_options): Add start_lib and end_lib.
5103         (Input_argument::lib_): New.
5104         (Input_argument::lib): New.
5105         (Input_argument::is_lib): New.
5106         (Input_file_lib): New.
5107         (Input_arguments::in_lib_): New.
5108         (Input_arguments::in_lib): New.
5109         (Input_arguments::start_lib): New.
5110         (Input_arguments::end_lib_): New.
5111         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5112         in unused members as preempted.
5113         (Sized_pluginobj::do_should_include_member): New.
5114         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5115         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5116         return the blocker.
5117         (Read_symbols::do_whole_lib_group): New.
5118         (Read_symbols::do_lib_group): New.
5119         (Read_symbols::do_read_symbols): Handle lib groups.
5120         (Read_symbols::get_name): Handle lib groups.
5121         * readsyms.h (Read_symbols): Add an archive member pointer.
5122         (Read_symbols::do_whole_lib_group): New.
5123         (Read_symbols::do_lib_group): New.
5124         (Read_symbols::member_): New.
5125         * script.cc (read_input_script): Update call to queue_soon.
5126
5127 2010-03-19  Doug Kwan  <dougkwan@google.com>
5128
5129         * arm.cc (Stub_table::Stub_table): Initialize new data members
5130         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5131         (Stub_table::add_reloc_stub): Assign stub offset and update
5132         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5133         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5134         New data members.
5135         (Stub_table::update_data_size_and_addralign): Use
5136         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5137         instead of going over all reloc stubs.
5138         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5139         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5140         Stringpool_template::offset_ to size of Stringpool_char.
5141         (Stringpool_template::new_key_offset): Remove code to initialize
5142         Stringpool_template::offset_.
5143         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5144         Stringpool_template::offset_ to zero.
5145
5146 2010-03-15  Doug Kwan  <dougkwan@google.com>
5147
5148         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5149         offset_.
5150         (Stringpool_template::new_key_offset): New method.
5151         (Stringpool_template::add_string): Assign offsets when adding new
5152         strings.
5153         (Stringpool_template::set_string_offsets): Do not set string offsets
5154         when not optimizing.
5155         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5156         member size_.
5157         (Chunked_vector::clear): Clear size_.
5158         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5159         (Chunked_vector::size): Return size_.
5160         (Chunked_vector::push_back): Use size_ to find insert position.
5161         (Chunked_vector::size_): New data member.
5162         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5163         (Stringpool_template::new_key_offset): New method declaration.
5164         (Stringpool_template::offset_): New data member.
5165
5166 2010-03-15   Rafael Espindola  <espindola@google.com>
5167
5168         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5169         Add_symbols' constructor.
5170         * readsyms.h (Add_symbols): Remove the input_group member.
5171
5172 2010-03-10  Ian Lance Taylor  <iant@google.com>
5173
5174         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5175         target to ask whether a reference to a symbol requires a stack
5176         split.
5177         * target.h (Target::is_call_to_non_split): New function.
5178         (Target::do_is_call_to_non_split): Declare virtual function.
5179         * target.cc: Include "symtab.h".
5180         (Target::do_is_call_to_non_split): New function.
5181         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5182
5183 2010-03-10  Cary Coutant  <ccoutant@google.com>
5184
5185         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5186         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5187         (File_read::open[2]): Add whole_file_view_ to list of views.
5188         (File_read::make_view): Remove test of whole_file_view_.
5189         (File_read::find_or_make_view): Create whole_file_view_ if
5190         necessary.
5191         (File_read::clear_views): Replace bool parameter with enum;
5192         adjust all callers.  Don't delete views with permanent data;
5193         do delete cached views and views from archives if
5194         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5195         if clearing the corresponding view.
5196         * fileread.h (File_read::Clear_views_mode): New enum.
5197         (File_read::View::is_permanent_view): New method.
5198         (File_read::clear_views): Replace bool parameter
5199         with enum; adjust all callers.
5200         * options.h (General_options): Change keep_files_mapped option;
5201         add map_whole_files.
5202         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5203         releasing the file.
5204         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5205         the file.
5206
5207 2010-03-10  David S. Miller  <davem@davemloft.net>
5208
5209         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5210
5211 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5212
5213         * icf.cc (get_section_contents): Add '@' marker after processing the
5214         merge reloc.
5215
5216 2010-03-08  Doug Kwan  <dougkwan@google.com>
5217
5218         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5219         due to a conversion warning.
5220         (Arm_relobj::update_output_local_symbol_count): Check for local
5221         symbol with unset output index.
5222
5223 2010-03-05  Ian Lance Taylor  <iant@google.com>
5224
5225         * options.h (class General_options): Add --spare-dynamic-tags.
5226         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5227         --spare-dynamic-tags.
5228
5229 2010-03-05  Ian Lance Taylor  <iant@google.com>
5230
5231         * incremental.cc: Include "libiberty.h".
5232
5233 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5234
5235         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5236         function, is_info_ member.
5237         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5238         (Versions::Versions): Update caller.
5239         (Versions::define_base_version): Likewise.
5240         (Versions::add_def): Likewise.
5241
5242 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5243
5244         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5245         (Scan::possible_function_pointer_reloc): New function.
5246         (Scan::local_reloc_may_be_function_pointer): Change to call
5247         possible_function_pointer_reloc.
5248         (Scan::global_reloc_may_be_function_pointer): Ditto.
5249         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5250         relocations in ".data.rel.ro._ZTV" section.
5251         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5252         * testsuite/icf_safe_so_test.cc: Ditto.
5253         * testsuite/icf_safe_test.cc: Ditto.
5254         * testsuite/icf_safe_test.sh: Ditto.
5255
5256 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5257             Ian Lance Taylor  <iant@google.com>
5258
5259         * target-reloc.h (relocate_section): Check the symbol table index
5260         for -1U before setting the local symbol index.
5261         (scan_relocatable_relocs): If copying the relocation, record that
5262         the local symbol is required.
5263         * object.h (Symbol_value::is_output_symtab_index_set): New
5264         function.
5265         (Symbol_value::may_be_discarded_from_output_symtab): New
5266         function.
5267         (Symbol_value::has_output_symtab_entry): New function.
5268         (Symbol_value::needs_output_symtab_entry): Remove.
5269         (Symbol_value::output_symtab_index): Make sure the symbol index is
5270         set.
5271         (Symbol_value::set_output_symtab_index): Make sure the symbol
5272         index is not set.  Make sure the new index is valid.
5273         (Symbol_value::set_must_have_output_symtab_entry): New function.
5274         (Symbol_value::has_output_dynsym_entry): New function.
5275         (Symbol_value::set_output_dynsym_index): Make sure the new index
5276         is valid.
5277         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5278         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5279         local symbol if permitted.
5280         (Sized_relobj::do_finalize_local_symbols): Call
5281         is_output_symtab_index_set rather than needs_output_symtab_entry.
5282         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5283         rather than needs_output_symtab_entry.  Call
5284         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5285         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5286         is_output_symtab_index_set rather than needs_output_symtab_entry.
5287         * testsuite/discard_locals_relocatable_test.c: New file.
5288         * testsuite/discard_locals_test.sh: Test -r.
5289         * testsuite/Makefile.am (check_DATA): Add
5290         discard_locals_relocatable_test1.syms,
5291         discard_local_relocatable_test2.syms.
5292         (MOSTLYCLEANFILES): Likewise.  Also add
5293         discard_locals_relocatable_test1.lout and
5294         discard_locals_relocatable_test2.out.
5295         (discard_locals_relocatable_test1.syms): New target.
5296         (discard_locals_relocatable_test.o): New target.
5297         (discard_locals_relocatable_test1.out): New target.
5298         (discard_locals_relocatable_test2.syms): New target.
5299         (discard_locals_relocatable_test2.out): New target.
5300         (various): Add missing ../ld-new dependencies.
5301         * testsuite/Makefile.in: Rebuild.
5302
5303 2010-03-03  Nick Clifton  <nickc@redhat.com>
5304
5305         * po/fi.po: New Finnish translation.
5306
5307 2010-03-01  Doug Kwan  <dougkwan@google.com>
5308
5309         * layout.cc (Layout::Layout): Force section types of .init_array*,
5310         .preinit_array* and .fini_array* sections.
5311         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5312         Fix check of return value of std::string::find.().
5313         (Output_section::Input_section_sort_compare::operator()): Remove
5314         comment about .init_array.
5315         (Output_section::Input_section_sort_init_fini_compare::operator()):
5316         New method.
5317         (Output_section::sort_attached_input_sections): Handle .init_array
5318         and .fini_array specially.
5319         * output.h (Output_section::Inut_section_sort_compare): Update
5320         comment.
5321         (Output_section::Input_section_sort_init_fini_compare): New struct.
5322
5323 2010-02-26  Doug Kwan  <dougkwan@google.com>
5324
5325         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5326         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5327         * testsuite/debug_msg.sh: Avoid matching source line number for
5328         use of global variable undef_int.
5329
5330 2010-02-26  Doug Kwan  <dougkwan@google.com>
5331
5332         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5333         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5334         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5335         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5336         * options.cc (General_options::General_options): Initialize member
5337         fix_v4bx_.
5338         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5339         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5340         and rm_no_fix_v4bx.stdout
5341         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5342         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5343         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5344         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5345         and arm_no_fix_v4bx.
5346         * Makefile.in: Regenerate.
5347         * testsuite/arm_fix_v4bx.s: New file.
5348         * testsuite/arm_fix_v4bx.sh: Ditto.
5349
5350 2010-02-24  Doug Kwan  <dougkwan@google.com>
5351
5352         * arm.cc (Target_arm::got_section): Make the .got section the first
5353         non RELRO section in the data segment.
5354         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5355         suffixes of section names.
5356
5357 2010-02-24  Doug Kwan  <dougkwan@google.com>
5358
5359         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5360         flags and attributes merging if an input file is a binary file.
5361         * fileread.cc (Input_file::open): Record format of original file.
5362         * fileread.h (Input_file::Format): New enum type.
5363         (Input_file::Input_file): Initialize data member format_.
5364         (Input_file::format): New method definition.
5365         (Input_file::format_):: New data member.
5366
5367 2010-02-24  Doug Kwan  <dougkwan@google.com>
5368
5369         * arm.cc (Arm_output_data_got): New class.
5370         (ARM_TCB_SIZE): New constant
5371         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5372         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5373         If user uses a script with a SECTIONS clause, issue only a warning
5374         for a misplaced EXIDX input section.  Otherwise, issue an error.
5375         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5376         garbage collection.
5377         (Target_arm::got_mode_index_entry): Handle static linking.
5378         (Target_arm::Scan::local): Ditto.
5379         (Target_arm::Scan::global): Ditto.
5380         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5381         all incorrectly implemented relocations.
5382         (Target_arm::fix_exidx_coverage): Pass layout to
5383         Arm_output_section::fix_exidx_coverage.
5384         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5385         from ".ARM.exidx." and ".ARM.extab.".
5386
5387 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5388
5389         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5390         section if it does not already exist.
5391         * attributes.cc (Attributes_section_data::Attributes_section_data):
5392         Don't crash if size is zero.
5393
5394 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5395             Ian Lance Taylor  <iant@google.com>
5396
5397         * gold.cc (queue_middle_tasks): If no input files were opened,
5398         exit.
5399         * workqueue.h (Task_function::Task_function): Assert that there is
5400         a blocker.
5401
5402 2010-02-22  Doug Kwan  <dougkwan@google.com>
5403
5404         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5405         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5406         types to avoid warnings due to different uint64_t implementations
5407         on different hosts.
5408
5409 2010-02-21  Doug Kwan  <dougkwan@google.com>
5410
5411         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5412         handling of the maximum backward branch offset.
5413         (Arm_relocate_functions::thumb_branch_common): Ditto.
5414         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5415         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5416         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5417         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5418         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5419         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5420         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5421         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5422         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5423         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5424         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5425         thumb2_bl_out_of_range.o): New rules.
5426         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5427         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5428         thumb2_bl_out_of_range
5429         * testsuite/Makefile.in: Regenerate.
5430         * testsuite/arm_bl_in_range.s: New file.
5431         * testsuite/arm_bl_out_of_range.s: Ditto.
5432         * testsuite/arm_branch_in_range.sh: Ditto.
5433         * testsuite/arm_branch_range.t: Ditto.
5434         * testsuite/thumb2_branch_range.t: Ditto.
5435         * testsuite/thumb_bl_in_range.s: Ditto.
5436         * testsuite/thumb_bl_out_of_range.s: Ditto.
5437         * testsuite/thumb_branch_range.t: Ditto.
5438
5439 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5440
5441         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5442         Add reloc offset information.
5443         * icf.cc (get_section_contents): Change iterators to point to the new
5444         vectors. Add reloc offset information to the contents.
5445         * icf.h (Icf::Sections_reachable_info): New typedef.
5446         (Icf::Sections_reachable_list): New typedef.
5447         (Icf::Offset_info): New typedef.
5448         (Icf::Reloc_info): New struct typedef.
5449         (Icf::Reloc_info_list): New typedef.
5450         (Icf::symbol_reloc_list): Delete method.
5451         (Icf::addend_reloc_list): Delete method.
5452         (Icf::section_reloc_list): Delete method.
5453         (Icf::reloc_info_list): New method.
5454         (Icf::reloc_info_list_): New member.
5455
5456 2010-02-19  Doug Kwan  <dougkwan@google.com>
5457
5458         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5459         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5460         * arm.cc (Arm_relocation_functions): New forward declaration.
5461         (Target_arm::Target_arm): Initialize new data members
5462         got_mod_index_offset_ and tls_base_symbol_defined_.
5463         (Target_arm::Relocate::relocate_tls): New method.
5464         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5465          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5466         New methods.
5467         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5468         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5469         (Target_arm::got_mod_index_offset_,
5470         Target_arm::tls_base_symbol_defined_): New data members.
5471         (Target_arm::Scan::local, Target::Scan::global,
5472         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5473         relocations.
5474
5475 2010-02-18  Doug Kwan  <dougkwan@google.com>
5476
5477         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5478         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5479         text section as a parameter becuase some broken tools may not set
5480         the link in section header.
5481         (Target_arm::has_got_section): New method.
5482         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5483         without any mapping symbol as data only.  Remove warning.
5484         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5485         link in its section header, try to discover the link by inspecting the
5486         REL31 relocation at the beginning of the section.
5487         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5488         in error message.
5489         (Target_arm::Scan::global): Treat any reference to the symbol
5490         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5491
5492 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5493
5494         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5495         (Scan::global_reloc_may_be_function_pointer): New function.
5496         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5497         (Scan::global_reloc_may_be_function_pointer): New function.
5498         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5499         (Scan::global_reloc_may_be_function_pointer): New function.
5500         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5501         (Scan::global_reloc_may_be_function_pointer): New function.
5502         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5503         (Scan::global_reloc_may_be_function_pointer): New function.
5504         (Scan::possible_function_pointer_reloc): New function.
5505         (Target_x86_64::can_check_for_function_pointers): New function.
5506         * gc.h (gc_process_relocs): Scan relocation types to determine if
5507         function pointers were taken for targets that support it.
5508         * icf.cc (Icf::find_identical_sections): Include functions for
5509         folding in safe ICF whose pointer is not taken.
5510         * icf.h (Secn_fptr_taken_set): New typedef.
5511         (fptr_section_id_): New member.
5512         (section_has_function_pointers): New function.
5513         (set_section_has_function_pointers): New function.
5514         (check_section_for_function_pointers): New function.
5515         * options.h: Fix comment for safe ICF option.
5516         * target.h (can_check_for_function_pointers): New function.
5517         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5518         Modify icf_safe_test for X86-64.
5519         * testsuite/Makefile.in: Regenerate.
5520         * testsuite/icf_safe_so_test.cc: New file.
5521         * testsuite/icf_safe_so_test.sh: New file.
5522         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5523         (main): Change to take pointer to function kept_func_3.
5524         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5525         folding is done correctly for X86-64.
5526
5527 2010-02-12  David S. Miller  <davem@davemloft.net>
5528
5529         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5530         is_symbolless parameter.
5531         (Output_reloc<SHT_REL>::is_symbolless): New.
5532         (Output_reloc<SHT_REL>::is_symbolless_): New.
5533         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5534         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5535         (Output_reloc<SHT_RELA>::is_symbolless): New.
5536         (Output_data_reloc::add_global): Handle is_symbolless.
5537         (Output_data_reloc::add_global_relative): Likewise.
5538         (Output_data_reloc::add_local): Likewise.
5539         (Output_data_reloc::add_local_relative): Likewise.
5540         (Output_data_reloc::add_symbolless_global_addend): New.
5541         (Output_data_reloc::add_symbolless_local_addend): New.
5542         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5543         is_symbolless.
5544         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5545         instead of ->is_relative_
5546         (Output_reloc::write): Likewise.
5547         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5548         (Output_reloc::write_rel): Simplify.
5549
5550         * sparc.cc (Target_sparc::Scan::local): Use
5551         ->add_symbolless_local_addend as needed.
5552         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5553         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5554         based upon relocation offset.
5555
5556 2010-02-11  Doug Kwan  <dougkwan@google.com>
5557
5558         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5559         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5560         beginning of function.
5561         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5562         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5563         parameter is_32bit in calls to should_apply_static_reloc.
5564         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5565         (check_DATA): Add arm_abs_global.stdout.
5566         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5567         arm_abs_global.stdout): New rules.
5568         (MOSTLLYCLEANFILES): Add arm_abs_global
5569         * Makefile.in: Regenerate.
5570         * testsuite/arm_abs_global.s: New file.
5571         * testsuite/arm_abs_global.sh: Ditto.
5572         * testsuite/arm_abs_lib.s: Ditto.
5573
5574 2010-02-11  Ian Lance Taylor  <iant@google.com>
5575
5576         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5577         Read_relocs task.
5578         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5579         Allocate_commons_task first.
5580         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5581         task, rather than symtab_lock_.
5582         (Gc_process_relocs::~Gc_process_relocs): New function.
5583         (Gc_process_relocs::is_runnable): Check this_blocker_.
5584         (Gc_process_relocs::locks): Use next_blocker_ rather than
5585         blocker_.
5586         (Scan_relocs::~Scan_relocs): New function.
5587         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5588         symtab_lock_.
5589         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5590         next_blocker_.
5591         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5592         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5593         constructor accordingly.
5594         (class Gc_process_relocs): Likewise.
5595         (class Scan_relocs): Likewise.
5596         * common.h (class Allocate_commons_task): Remove symtab_lock_
5597         field, and corresponding constructor parameter.
5598         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5599         symtab_lock_.
5600         (Allocate_commons_task::locks): Likewise.
5601
5602 2010-02-11  Ian Lance Taylor  <iant@google.com>
5603
5604         * gold-threads.h (class Once): Define.
5605         (class Initialize_lock): Rewrite as child of Once.
5606         * gold-threads.cc (class Once_initialize): Define.
5607         (once_pointer_control): New static variable.
5608         (once_pointer, once_arg): New static variables.
5609         (c_run_once): New static function.
5610         (Once::Once, Once::run_once, Once::internal_run): New functions.
5611         (class Initialize_lock_once): Remove.
5612         (initialize_lock_control): Remove.
5613         (initialize_lock_pointer): Remove.
5614         (initialize_lock_once): Remove.
5615         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5616         (Initialize_lock::initialize): Rewrite.
5617         (Initialize_lock::do_run_once): New function.
5618         * archive.cc (Archive::interpret_header): Only clear name if it is
5619         not already empty.
5620         * fileread.cc: Include "gold-threads.h"
5621         (file_counts_lock): New static variable.
5622         (file_counts_initialize_lock): Likewise.
5623         (File_read::release): Only increment counts when using --stats.
5624         Use a lock around the increment.
5625         * parameters.cc (class Set_parameters_target_once): Define.
5626         (set_parameters_target_once): New static variable.
5627         (Parameters::Parameters): Move here from parameters.h.
5628         (Parameters::set_target): Rewrite.
5629         (Parameters::set_target_once): New function.
5630         (Parameters::clear_target): Move here and rewrite.
5631         * parameters.h (class Parameters): Update declarations.  Add
5632         set_parameters_target_once_ field.
5633         (Parameters::Parameters): Move to parameters.cc.
5634         (Parameters::clear_target): Likewise.
5635         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5636         task.
5637         (Start_group::~Start_group): New function.
5638         (Start_group::is_runnable): New function.
5639         (Start_group::locks, Start_group::run): New functions.
5640         (Finish_group::run): Change saw_undefined to size_t.
5641         * readsyms.h (class Start_group): Define.
5642         (class Finish_group): Change saw_undefined_ field to size_t.
5643         (Finish_group::Finish_group): Remove saw_undefined and
5644         this_blocker parameters.  Change all callers.
5645         (Finish_group::set_saw_undefined): New function.
5646         (Finish_group::set_blocker): New function.
5647         * symtab.h (class Symbol_table): Change saw_undefined to return
5648         size_t.  Change saw_undefined_ field to size_t.
5649         * target-select.cc (Set_target_once::do_run_once): New function.
5650         (Target_selector::Target_selector): Initialize set_target_once_
5651         field.  Don't initialize lock_ and initialize_lock_ fields.
5652         (Target_selector::instantiate_target): Rewrite.
5653         (Target_selector::set_target): New function.
5654         * target-select.h (class Set_target_once): Define.
5655         (class Target_selector): Update declarations.  Make
5656         Set_target_once a friend.  Remove lock_ and initialize_lock_
5657         fields.  Add set_target_once_ field.
5658
5659 2010-02-10  Ian Lance Taylor  <iant@google.com>
5660
5661         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5662         queueing any tasks.
5663         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5664         (queue_middle_tasks): Add all blockers before queueing any tasks.
5665         (queue_final_tasks): Likewise.
5666         * token.h (Task_token::add_blockers): New function.
5667         * object.h (Input_objects::number_of_relobjs): New function.
5668
5669 2010-02-10  Ian Lance Taylor  <iant@google.com>
5670
5671         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5672         shared, not if not position independent.
5673         * x86_64.cc (Relocate::relocate_tls): Likewise.
5674         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5675         (tls_pie_pic_test): New target.
5676         * testsuite/Makefile.in: Rebuild.
5677
5678         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5679         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5680         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5681         * testsuite/Makefile.in: Rebuild.
5682
5683 2010-02-09  David S. Miller  <davem@davemloft.net>
5684
5685         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5686         R_SPARC_RELATIVE using ->add_local_relative().
5687         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5688
5689         * output.h (Output_data_dynamic::add_section_size): New method
5690         that takes two Output_data objects.
5691         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5692         entry param.  Handle it in initializers.
5693         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5694         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5695         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5696         arg.
5697         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5698         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5699         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5700         for dynrel_includes_plt.
5701         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5702         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5703         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5704         before .rela.plt
5705         (Target_sparc::do_finalize_sections): Update to pass true for
5706         dynrel_includes_plt.
5707         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5708         output before .rela.plt
5709         (Target_powerpc::do_finalize_sections): Update to pass true for
5710         dynrel_includes_plt when 32-bit.
5711
5712 2010-02-08  Doug Kwan  <dougkwan@google.com>
5713
5714         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5715         method.
5716         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5717         Arm_relobj::scan_section_for_cortex_a8_stubs,
5718         Arm_relobj::do_relocation_section): Instead of calling
5719         Output_section::output_address, use faster
5720         Arm_relobj::simple_input_section_output_address.
5721
5722 2010-02-08  David S. Miller  <davem@davemloft.net>
5723
5724         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5725         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5726         relocation helper function.
5727
5728         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5729         just like R_SPARC_GOT{10,13,22}.
5730         (Target_sparc::Scan::local): Likewise.
5731         (Target_sparc::Relocate:relocate): Likewise.
5732
5733 2010-02-06  Ian Lance Taylor  <iant@google.com>
5734
5735         * configure.ac: Rewrite targetobjs duplicate removal code to use
5736         only shell constructs.
5737         * configure: Rebuild.
5738
5739 2010-02-05  Doug Kwan  <dougkwan@google.com>
5740
5741         PR 11247
5742         * arm.cc (Arm_relobj::section_is_scannable): New method.
5743         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5744         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5745
5746 2010-02-04  Doug Kwan  <dougkwan@google.com>
5747
5748         PR 11247
5749         * arm-reloc-property.cc (cstdio): Include.
5750         * configure.ac (targetobjs): Remove duplicates.
5751         * configure: Regenerate.
5752         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5753         big and little endian version for a given address size.
5754
5755 2010-02-03  Doug Kwan  <dougkwan@google.com>
5756
5757         * arm-reloc-property.cc
5758         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5759         definition.
5760         * arm-reloc-property.h
5761         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5762         New method definition.
5763         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5764         declaration.
5765         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5766         overflow to N.
5767         (GOT_PREL): Change implemented to Y.
5768         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5769         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5770         (Arm_relocate_functions::movw_abs_nc): Remove method.
5771         (Arm_relocate_functions::movt_abs): Ditto.
5772         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5773         (Arm_relocate_functions::thm_movt_abs): Ditto.
5774         (Arm_relocate_functions::movw_rel_nc): Ditto.
5775         (Arm_relocate_functions::movw_rel): Ditto.
5776         (Arm_relocate_functions::movt_rel): Ditto.
5777         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5778         (Arm_relocate_functions:thm_movw_rel): Ditto.
5779         (Arm_relocate_functions:thm_movt_rel): Ditto.
5780         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5781         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5782         New method definitions.
5783         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5784         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5785         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5786         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5787         (Target_arm::Relocate::relocate): Check for non-static or
5788         unimplemented relocation code and exit early.  Change calls to
5789         Target_arm::reloc_uses_thumb_bit and
5790         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5791         instead.  Refactor code to handle similar relocations to increase
5792         code sharing.  Remove check for unsupported relocation code in switch
5793         statement.
5794         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5795         relocation property table to find out size.  Change error message to
5796         print out the name of a relocation code instead of the numeric value.
5797         (Target_arm::scan_reloc_for_stub): Use relocation property table
5798         instead of calling Target_arm::reloc_uses_thumb_bit().
5799
5800 2010-02-02  Doug Kwan  <dougkwan@google.com>
5801
5802         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5803         types of relaxed input section.
5804
5805 2010-02-02  Doug Kwan  <dougkwan@google.com>
5806
5807         * Makefile.am (HFILES): Add arm-reloc-property.h.
5808         (DEFFILES): New.
5809         (TARGETSOURCES): Add arm-reloc-property.cc
5810         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5811         (libgold_a_SOURCES): $(DEFFILES)
5812         * Makefile.in: Regenerate.
5813         * arm-reloc-property.cc: New file.
5814         * arm-reloc-property.h: New file.
5815         * arm-reloc.def: New file.
5816         * arm.cc: Update comments.
5817         (arm-reloc-property.h): New included header.
5818         (arm_reloc_property_table): New global variable.
5819         (Target_arm::do_select_as_default_target): New method definition.
5820         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5821         arm-reloc-property to targ_extra_obj.
5822         * parameters.cc (set_parameters_target): Call
5823         Target::select_as_default_target().
5824         * target.h (Target::select_as_default_target): New method definition.
5825         (Target::do_select_as_default_target): Same.
5826
5827 2010-02-01  Doug Kwan  <dougkwan@google.com>
5828
5829         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5830         first_output_text_section_.
5831         (Arm_exidx_fixup::first_output_text_section): New method definition.
5832         (Arm_exidx_fixup::first_output_text_section_): New data member.
5833         (Arm_exidx_fixup::process_exidx_section): Record the first text
5834         output section seen.
5835         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5836         and entsize in output section header.
5837
5838 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5839
5840         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5841         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5842         (Arm_relocate_functions::thm_alu11): New Method.
5843         (Arm_relocate_functions::thm_pc8): New Method.
5844         (Arm_relocate_functions::thm_pc12): New Method.
5845         (Target_arm::Scan::local): Handle the relocations.
5846         (Target_arm::Scan::global): Likewise.
5847         (Target_arm::Relocate::relocate): Likewise.
5848         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5849
5850 2010-01-29  Doug Kwan  <dougkwan@google.com>
5851
5852         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5853         of relocation types as ld.
5854
5855 2010-01-29  Doug Kwan  <dougkwan@google.com>
5856
5857         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5858         to public.
5859         (Arm_relocate_functions::thumb_branch_common): Ditto.
5860         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5861         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5862         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5863         Arm_relocate_functions::jump24): Remove.
5864         (Target_arm::Relocate::relocate): Adjust code to call
5865         Arm_relocation_functions::arm_branch_common and
5866         Arm_relocation_functions::thumb_branch_common instead of their removed
5867         wrappers.  Merge switch-cases together to reduce source code size.
5868
5869 2010-01-29  Doug Kwan  <dougkwan@google.com>
5870
5871         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5872         output_local_symbol_count_needs_update_.
5873         (Arm_relobj::output_local_symbol_count_needs_update,
5874          Arm_relobj::set_output_local_symbol_count_needs_update,
5875          Arm_relobj::update_output_local_symbol_count): New methods.
5876         (Arm_relobj::output_local_symbol_count_needs_update_): New data
5877         member.
5878         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5879         of pointed function as in a R_ARM_PREL31 relocation.
5880         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5881         for output local symbol count updating.
5882         (Target_arm::do_relax): Update output local symbol counts in objects
5883         if necessary.
5884         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5885
5886 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5887
5888         * arm.cc: Added support for the ARM relocations:
5889         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5890         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5891         (Arm_relocate_functions::movw_rel_nc): Renamed (was
5892         movw_prel_nc).
5893         (Arm_relocate_functions::movw_rel): New method.
5894         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5895         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5896         thm_movw_prel_nc).
5897         (Arm_relocate_functions::thm_movw_rel): New method.
5898         (Arm_relocate_functions::thm_movt_rel): Renamed (was
5899         thm_movt_prel).
5900         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5901         relocations.
5902         (Target_arm::Scan::global): Likewise.
5903         (Target_arm::Relocate::relocate): Likewise.
5904         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5905         Likewise.
5906
5907 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5908
5909         * arm.cc: Added support for ARM group relocations.
5910         (Target_arm::reloc_needs_sym_origin): New method.
5911         (Arm_relocate_functions::calc_grp_kn): New method.
5912         (Arm_relocate_functions::calc_grp_residual): New method.
5913         (Arm_relocate_functions::calc_grp_gn): New method.
5914         (Arm_relocate_functions::arm_grp_alu): New Method.
5915         (Arm_relocate_functions::arm_grp_ldr): New Method.
5916         (Arm_relocate_functions::arm_grp_ldrs): New Method.
5917         (Arm_relocate_functions::arm_grp_ldc): New Method.
5918         (Target_arm::Scan::local): Handle the ARM group relocations.
5919         (Target_arm::Scan::global): Likewise.
5920         (Target_arm::Relocate::relocate): Likewise.
5921         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5922         Likewise.
5923
5924 2010-01-26  Doug Kwan  <dougkwan@google.com>
5925
5926         * arm.cc (set): Include.
5927         (class Arm_exidx_fixup): Change type of last_input_section_ to const
5928         pointer type.
5929         (Arm_output_section::Text_section_list): New type.
5930         (Arm_output_section::append_text_sections_to_list): New method.
5931         (Arm_output_section::fix_exidx_coverage): Ditto.
5932         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5933         (Arm_relobj::convert_input_section_to_relaxed_section): Use
5934         Relobj::set_section_offset() instead of
5935         Sized_relobj::invalidate_section_offset().
5936         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5937         parameter for section headers. Ignore relocation sections for
5938         unallocated sections and EXIDX sections.
5939         (Target_arm::fix_exidx_coverage): New method.
5940         (Target_arm::output_section_address_less_than): New type.
5941         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5942         linked text section instead of the EXIDX section.
5943         (Arm_output_section::create_stub_group): Add an assertion to check
5944         that this is not an EXIDX output section.
5945         (Arm_output_section::append_text_sections_to_list): New method.
5946         (Arm_output_section::fix_exidx_coverage): Ditto.
5947         (Arm_relobj::scan_sections_for_stubs): Adjust call to
5948         Arm_relobj::section_needs_reloc_stub_scanning.
5949         (Target_arm::do_relax): Fix EXIDX output section coverage in the
5950         first pass.
5951         (Target_arm::fix_exidx_coverage): New method.
5952         * object.h (Relobj::set_output_section): New method.
5953         (Sized_relobj::invalidate_section_offset): Remove method.
5954         (Sized_relobj::do_invalidate_section_offset): Remove method.
5955         (Sized_relobj::do_set_section_offset): Handle offset value -1.
5956
5957 2010-01-25  Doug Kwan  <dougkwan@google.com>
5958
5959         * arm.cc (Arm_exidx_merged_section::do_output_offset):
5960         Fix warning due to signed and unsigned comparison on a 32-bit host.
5961
5962 2010-01-22  Doug Kwan  <dougkwan@google.com>
5963
5964         * arm.cc (Target_arm::do_relax): Record an output section for section
5965         offset adjustment it contains any stub table that has changed.
5966         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5967         offsets in an output section if necessary.
5968         * output.cc (Output_section::Output_section): Initialize
5969         section_offsets_need_adjustments_.
5970         (Output_section::add_input_section_for_script): Renamed to
5971         Output_section::add_simple_input_section.
5972         (Output_section::save_states): Add a comment.
5973         (Output_section::discard_states): New method defintion.
5974         (Output_section::adjust_section_offsets): Same.
5975         * output.h (Output_section::add_input_section_for_script): Renamed to
5976         Output_section::add_simple_input_section.
5977         (Output_section::discard_states): New method declaration.
5978         (Output_section::adjust_section_offsets): Same.
5979         (Output_section::section_offsets_need_adjustment,
5980         Output_section::set_section_offsets_need_adjustment): New method
5981         definitions.
5982         (Output_section::section_offsets_need_adjustment_): New data member.
5983         * script-sections.cc
5984         (Output_section_element_input::set_section_address): Adjust code for
5985         renaming of Output_section::add_input_section_for_script.
5986         (Orphan_output_section::set_section_address): Same.
5987
5988 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5989
5990         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5991         Fix_v4bx enum values .
5992         * gold/options.h (General_options): New option definitions.
5993         (General_options::fix_v4bx): New method.
5994         (General_options::Fix_v4bx): New enum.
5995         * gold/options.cc (General_options::parse_fix_v4bx): New method.
5996         (General_options::parse_fix_v4bx_interworking): New method.
5997
5998 2010-01-22  Doug Kwan  <dougkwan@google.com>
5999
6000         * arm.cc (Arm_exidx_fixup): New class.
6001
6002 2010-01-21  Doug Kwan  <dougkwan@google.com>
6003
6004         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6005         classes.
6006         (Arm_exidx_section_offset_map): New type.
6007
6008 2010-01-21  Doug Kwan  <dougkwan@google.com>
6009
6010         * arm.cc (Arm_exidx_input_section): New class.
6011         (Arm_relobj::exidx_input_section_by_link,
6012         Arm_relobj::exidx_input_section_by_shndx,
6013         Arm_relobj::make_exidx_input_section): New methods.
6014         (read_arm_attributes_section): Remove.
6015         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6016         information about them.
6017         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6018         to here.
6019
6020 2010-01-20  Doug Kwan  <dougkwan@google.com>
6021
6022         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6023         Input_section_specifier to Section_id.
6024         (Target_arm::new_arm_input_section: Adjust code for change of key
6025         type.
6026         (Target_arm::find_arm_input_section): Ditto.
6027         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6028         (Section_id): Remove.
6029         (Garbage_collection::Section_id_hash): Remove.
6030         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6031         (Section_id): Remove.
6032         (Icf::Section_id_hash): Remove.
6033         * object.h (Section_id, Const_section_id, Section_id_hash,
6034         Const_section_id_hash): New type definitions.
6035         * output.cc (Output_section::add_relaxed_input_section): Change to
6036         use Const_section_id instead of Input_section_specifier as key type.
6037         (Output_section::add_merge_input_section): Ditto.
6038         (Output_section::build_relaxation_map): Change to use Section_id
6039         instead of Input_section_specifier as key type.
6040         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6041         Ditto.
6042         (Output_section::convert_input_sections_to_relaxed_sections): Change
6043         to use Const_section_id instead of Input_section_specifier as key type.
6044         (Output_section::find_merge_section): Ditto.
6045         (Output_section::find_relaxed_input_section): Ditto.
6046         * output.h (Input_section_specifier): Remove class.
6047         (Output_section::Output_section_data_by_input_section_map): Change
6048         key type to Const_section_id.
6049         (Output_section::Output_relaxed_input_section_by_input_section_map):
6050         Ditto.
6051         (Output_section::Relaxation_map): Change key type to Section_id.
6052
6053 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6054
6055         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6056         (class Arm_v4bx_stub): New class.
6057         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6058         (Stub_factory::make_arm_v4bx_stub): New method.
6059         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6060         (Stub_table::empty): Handle v4bx stubs.
6061         (Stub_table::add_arm_v4bx_stub): New method.
6062         (Stub_table::find_arm_v4bx_stub): New method.
6063         (Arm_relocate_functions::v4bx): New method.
6064         (Target_arm::fix_v4bx): New method.
6065         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6066         (Stub_table::relocate_stubs): Likewise.
6067         (Stub_table::do_write): Likewise.
6068         (Stub_table::update_data_size_and_addralign): Likewise.
6069         (Stub_table::finalize_stubs):  Likewise.
6070         (Target_arm::Scan::local): Likewise.
6071         (Target_arm::Scan::global): Likewise.
6072         (Target_arm::do_finalize_sections): Likewise.
6073         (Target_arm::Relocate::relocate): Likewise.
6074         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6075         Likewise.
6076         (Target_arm::scan_reloc_for_stub): Likewise.
6077         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6078
6079 2010-01-19  Ian Lance Taylor  <iant@google.com>
6080
6081         * output.cc (Output_section_headers::do_sized_write): Write large
6082         segment count to sh_info field.
6083         (Output_file_header::do_sized_write): For large segment count,
6084         write PN_XNUM to e_phnum field.
6085
6086 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6087
6088         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6089         (Arm_relocate_functions::thm_jump8): New function.
6090         (Arm_relocate_functions::thm_jump11): New function.
6091         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6092         R_ARM_THM_JUMP11.
6093         (Target_arm::Scan::global): Likewise.
6094         (Target_arm::Relocate::relocate): Likewise.
6095         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6096         Likewise.
6097
6098 2010-01-14  Doug Kwan  <dougkwan@google.com>
6099
6100         * arm.cc (map, utility): Include headers.
6101         (Target_arm::apply_cortex_a8_workaround): New method.
6102         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6103         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6104         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6105         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6106         the --[no-]fix-cortex-a8 command line options.
6107         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6108         (Target_arm::relocate_stub): Use addend in instruction template.
6109         * options.h (DEFINE_bool): Set the user-set flag.
6110         (General_options): Add --[no-]-fix-cortex options.
6111         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6112         : Update fast look-up map after conversion.
6113
6114 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6115
6116         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6117         in the first pass of do_layout.
6118
6119 2010-01-13  Doug Kwan  <dougkwan@google.com>
6120
6121         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6122         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6123         apparent compiler problem of not folding static constant integral
6124         data members of elfcpp::Elf_sizes<32>.
6125
6126 2010-01-13  Doug Kwan  <dougkwan@google.com>
6127
6128         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6129         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6130         Arm_relobj::scan_section_for_cortex_a8_erratum,
6131         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6132         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6133         sections to scan for relocation stubs into a new method
6134         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6135         relocation and Cortex-A8 stub scanning.
6136         (Target_arm::do_relax): Force stubs to be after stubbed sections
6137         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6138         the beginning of a new relaxation pass.  Update a comment.
6139         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6140
6141 2010-01-12  Ian Lance Taylor  <iant@google.com>
6142
6143         * target-reloc.h (visibility_error): New inline function.
6144         (relocate_section): Call visibility_error.
6145         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6146         (MOSTLYCLEANFILES): Likewise.
6147         (protected_4_pic.o, protected_3.err): New targets.
6148         * testsuite/protected_4.cc: New file.
6149
6150 2010-01-12  Doug Kwan  <dougkwan@google.com>
6151
6152         * arm.cc (Cortex_a8_reloc): New class.
6153         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6154         and cortex_a8_relocs_info_.
6155         (Target_arm::fix_cortex_a8): New method definition.
6156         (Target_arm::Cortex_a8_relocs_info): New type.
6157         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6158         New data member declarations.
6159         (Target_arm::scan_reloc_for_stub): Record information about
6160         relocations for THUMB branches that might be exempted from the
6161         Cortex-A8 workaround.
6162         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6163         at the beginning of a relaxation pass.
6164
6165 2010-01-12  Doug Kwan  <dougkwan@google.com>
6166
6167         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6168         (Arm_relobj::Mapping_symbol_position,
6169          Arm_reloj::Mapping_symbol_position_less,
6170          Arm_relobj::Mapping_symbols_info): New types.
6171         (Target_arm::is_mapping_symbol_name): New method definition.
6172         (Arm_relobj::do_count_local_symbols): Save information about mapping
6173         symbols.
6174
6175 2010-01-11  Doug Kwan  <dougkwan@google.com>
6176
6177         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6178         Arm_relocate_functions::thumb32_branch_upper,
6179         Arm_relocate_functions::thumb32_branch_lower,
6180         Arm_relocate_functions::thumb32_cond_branch_offset,
6181         Arm_relocate_functions::thumb32_cond_branch_upper,
6182         Arm_relocate_functions::thumb32_cond_branch_lower,
6183         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6184         branch offset encoding.
6185         (Arm_relocate_functions::thumb_branch_common): Use new branch
6186         offset encoding methods to avoid code duplication.
6187         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6188         (Stub_addend_reader::operator()): Use new branch encoding method
6189         to avoid code duplication.
6190
6191 2010-01-11  Doug Kwan  <dougkwan@google.com>
6192
6193         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6194         (Target_arm::do_finalize_sections): Define special EXIDX section
6195         symbols only if referenced.
6196         * gc.h (Garbage_collection::add_reference): New method.
6197         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6198         code duplication.
6199
6200 2010-01-11  Ian Lance Taylor  <iant@google.com>
6201
6202         * script.cc (Version_script_info::build_expression_list_lookup):
6203         Change complaing about duplicate wildcard match from error to
6204         warning.
6205
6206         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6207         of 2009-12-30.
6208         (Version_script_info::Version_script_info): Initialize globs_,
6209         default_version_, default_is_global_, and exact_.  Don't
6210         initialize globals_ or locals_.
6211         (Version_script_info::build_lookup_tables): Build local symbols
6212         first.
6213         (Version_script_info::unquote): New function.
6214         (Version_script_info::add_exact_match): New function.
6215         (Version_script_info::build_expression_list_lookup): Remove lookup
6216         parameter.  Add is_global parameter.  Change all callers.  Handle
6217         wildcard pattern specially.  Unquote pattern.  Call
6218         add_exact_match.
6219         (Version_script_info::get_name_to_match): New function.
6220         (Version_script_info::get_symbol_version): New function.
6221         (Version_script_info::get_symbol_version_helper): Remove.
6222         (Version_script_info::check_unmatched_names): Call unquote.
6223         * script.h (class Version_script_info): Change get_symbol_version
6224         to be non-inline and add is_global parameter; change all callers.
6225         Rewrite symbol_is_local.  Update declarations.  Define struct
6226         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6227         Remove globals_ and locals_ members.  Add exact_, globs_,
6228         default_version_, is_global_.
6229         (Version_script_info::Glob): Remove pattern, add expression and
6230         is_global.  Update constructor.  Change all callers.
6231         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6232         default version.
6233         (Versions::symbol_section_contents): If a symbol is undefined, or
6234         defined in a dynamic object, set the version index to
6235         VER_NDX_LOCAL.
6236         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6237         symbol_is_local.
6238         (Symbol_table::add_from_pluginobj): Likewise.
6239         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6240
6241 2010-01-11  Doug Kwan  <dougkwan@google.com>
6242
6243         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6244         (incremental_dump_LDADD): Add linking option for libintl.
6245         * Makefile.in: Regenerate.
6246
6247 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6248
6249         PR gold/11144
6250         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6251         instead of -Ds.
6252         * testsuite/Makefile.in: Regenerated.
6253
6254 2010-01-10  Doug Kwan  <dougkwan@google.com>
6255
6256         * options.h (DEFINE_var): Use parentheses around argument varname__
6257         in macro body to avoid any unintended subsequent substitutions.
6258
6259 2010-01-10  Ian Lance Taylor  <iant@google.com>
6260
6261         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6262         candidates before doing symbol resolution.
6263
6264         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6265         ODR candidates if only one is weak.
6266
6267 2010-01-08  Ian Lance Taylor  <iant@google.com>
6268
6269         * script.cc (Version_script_info::build_expression_list_lookup):
6270         Don't warn about ambiguous version, just record the ambiguity.
6271         (Version_script_info::get_symbol_version_helper): Give error if
6272         version is ambiguous.
6273
6274 2010-01-08  Doug Kwan  <dougkwan@google.com>
6275
6276         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6277           prev_data_size_ and prev_addralign_.  Remove initializer for
6278           deleted data member has_been_changed_.
6279           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6280           to determine if the table is empty.
6281           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6282           Remove.
6283           (Stub_table::add_reloc_stub): Define method in class definition
6284           instead of just declaring it there.
6285           (Stub_table::add_cortex_a8_stub): New method definition.
6286           (Stub_table::update_data_size_and_addralign): Ditto.
6287           (Stub_table::finalize_stubs): Ditto.
6288           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6289           (Stub_table::do_addralign_): Return address alignment in the
6290           (Stub_table::do_reset_address_and_file_offset): Define method in
6291           class definition instead of declaring it there.  Set current data
6292           size to be the data size of the previous pass.
6293           (Stub_table::set_final_data_size): Use current data size as the
6294           final data size.
6295           (Stub_table::relocate_stub): Change parameter type of stub from
6296           Reloc_stub pointer to Stub pointer.
6297           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6298           (Stub_table::Cortex_a8_stub_list): New typedef.
6299           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6300            Stub_table::prev_addralign_): New data member.
6301           (Arm_relobj::Arm_relobj): Initialize data member
6302           section_has_cortex_a8_workaround_.
6303           (Arm_relobj::section_has_cortex_a8_workaround,
6304            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6305            definitions.
6306           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6307           declarations.
6308           (Target_arm::relocate_stub): Change parameter type of stub from
6309           Reloc_stub pointer to Stub pointer.
6310           (Insn_template::size, Insn_template::alignment): Handle
6311           THUMB16_SPECIAL_TYPE.
6312           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6313            Stub_table::update_data_size_and_addralign,
6314            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6315           definitions.
6316           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6317           (Stub_table::do_write): Ditto.
6318           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6319
6320 2010-01-08  Ian Lance Taylor  <iant@google.com>
6321
6322         PR 11108
6323         * symtab.h (class Symbol): Remove fields is_target_special_ and
6324         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6325         (Symbol::is_defined_in_discarded_section): New function.
6326         (Symbol::set_is_defined_in_discarded_section): New function.
6327         (Symbol::has_plt_offset): Rewrite.
6328         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6329         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6330         Don't initialize is_target_special_ or has_plt_offset_.
6331         Initialize is_defined_in_discarded_section_.
6332         (Symbol_table::add_from_relobj): If appropriate, set
6333         is_defined_in_discarded_section.
6334         * resolve.cc (Symbol::override_base_with_special): Don't test
6335         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6336         * target-reloc.h (relocate_section): Do special handling for
6337         symbols defined in discarded sections for global symbols as well
6338         as local symbols.
6339
6340 2010-01-08  Ian Lance Taylor  <iant@google.com>
6341
6342         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6343         the SHT_SYMTAB case.
6344
6345 2010-01-08  Ian Lance Taylor  <iant@google.com>
6346
6347         * object.cc (Sized_relobj::do_layout): Don't get confused if
6348         layout_eh_frame returns NULL.
6349
6350 2010-01-08  Ian Lance Taylor  <iant@google.com>
6351
6352         PR 11084
6353         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6354         dynamic symbol table, use the normal symbol table.
6355         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6356         symbol table.
6357
6358 2010-01-08  Ian Lance Taylor  <iant@google.com>
6359
6360         PR 11072
6361         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6362         sections.
6363
6364 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6365
6366         * version.cc (print_version): Change to "Copyright 2010".
6367
6368 2010-01-08  Ian Lance Taylor  <iant@google.com>
6369
6370         PR 10287
6371         PR 11063
6372         * i386.cc (class Target_i386): Change return type of plt_section
6373         to be non-const.
6374         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6375         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6376         tls_desc_rel_ field.
6377         (Output_data_plt_i386::rel_tls_desc): New function.
6378         (Target_i386::rel_tls_desc_section): New function.
6379         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6380         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6381         R_386_TLS_DESC reloc in rel_tls_desc_section.
6382         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6383         Define struct Tlsdesc_info.
6384         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6385         (Target_x86_64::do_reloc_symbol_index): New function.
6386         (Target_x86_64::add_tlsdesc_info): New function.
6387         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6388         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6389         tlsdesc_rel_ field.
6390         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6391         all callers.
6392         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6393         (Target_x86_64::rela_tlsdesc_section): New function.
6394         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6395         handling.
6396         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6397         (Target_x86_64::do_reloc_addend): New function.
6398         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6399         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6400         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6401         (Output_reloc::type): New function.
6402         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6403         (Output_reloc::is_target_specific): New function.
6404         (Output_reloc::target_arg): New function.
6405         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6406         absolute relocs and target specific relocs.
6407         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6408         add_target_specific.
6409         (class Output_data_reloc) [SHT_RELA]: Likewise.
6410         * output.cc (Output_reloc::Output_reloc): Add four new versions
6411         for absolute relocs and target specific relocs.
6412         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6413         (Output_reloc::get_symbol_index): Likewise.
6414         (Output_reloc::local_section_offset): Check that local_sym_index_
6415         is not TARGET_CODE or 0.
6416         (Output_reloc::symbol_value): Likewise.
6417         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6418         reloc.
6419         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6420         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6421         functions.
6422         * layout.cc (add_target_dynamic_tags): Use output section for
6423         DT_PLTRELSZ and DT_JMPREL.
6424
6425 2010-01-07  Ian Lance Taylor  <iant@google.com>
6426
6427         PR 11061
6428         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6429         function.
6430         (class Output_data_reloc_generic): Define.
6431         (class Output_data_reloc_base): Change base class to
6432         Output_data_reloc_generic.  Change add() method to call
6433         bump_relative_reloc_count for a relative reloc.  Remove
6434         sort_relocs_ field.
6435         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6436         to sort_relocs().
6437         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6438         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6439         appropriate.
6440         * layout.h (class Layout): Update declaration.
6441
6442 2010-01-07  Ian Lance Taylor  <iant@google.com>
6443
6444         * output.h (class Output_data): Add const version of
6445         output_section and do_output_section.
6446         (class Output_section_data): Add const version of
6447         do_output_section.
6448         (class Output_section): Likewise.
6449         * layout.cc (Layout::add_target_dynamic_tags): New function.
6450         * layout.h (class Layout): Update declarations.
6451         * arm.cc (Target_arm::do_finalize_sections): Use
6452         add_target_dynamic_tags.
6453         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6454         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6455         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6456         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6457
6458 2010-01-07  Ian Lance Taylor  <iant@google.com>
6459
6460         PR 11042
6461         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6462         object as needed.
6463
6464 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6465             Ian Lance Taylor  <iant@google.com>
6466
6467         PR 11019
6468         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6469         Xindex::read_symtab_xindex.
6470
6471 2010-01-07  Doug Kwan  <dougkwan@google.com>
6472
6473         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6474         (Insn_template::thumb16_bcond_insn): New method declaration.
6475         (Insn_template): Fix spelling.
6476         (Stub::thumb16_special): New method declaration.
6477         (Stub::do_write): Define virtual method which was previously pure
6478         virtual.
6479         (Stub::do_thumb16_special): New method declaration.
6480         (Stub::do_fixed_endian_write): New template member.
6481         (Reloc_stub::do_write): Remove.
6482         (Reloc_stub::do_fixed_endian_write): Remove.
6483         (Cortex_a8_stub): New class definition.
6484         (Stub_factory::make_cortex_a8_stub): New method definition.
6485         (Stub_factory::Stub_factory): Add missing static storage class
6486         qualifier for elf32_arm_stub_a8_veneer_blx.
6487
6488 2010-01-07  Ian Lance Taylor  <iant@google.com>
6489
6490         PR 10980
6491         * options.h (class General_options): Add --warn-unresolved-symbols
6492         and --error-unresolved-symbols.
6493         * errors.cc (Errors::undefined_symbol): Implement
6494         --warn-unresolved-symbols.
6495
6496         * options.h (class General_options): Add -z text and -z textoff.
6497         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6498
6499 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6500
6501         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6502         (Garbage_collection::cident_sections): New function.
6503         (Garbage_collection::add_cident_section): New function.
6504         (Garbage_collection::cident_sections_): New member.
6505         (gc_process_relocs): Add references to sections whose names are C
6506         identifiers.
6507         * gold.h (cident_section_start_prefix): New constant.
6508         (cident_section_stop_prefix): New constant.
6509         (is_cident): New function.
6510         * layout.cc (Layout::define_section_symbols): Replace string constants
6511         with the newly defined constants.
6512         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6513         C identifiers.
6514         * testsuite/Makefile.am: Add gc_orphan_section_test.
6515         * testsuite/Makefile.in: Regenerate.
6516         * testsuite/gc_orphan_section_test.cc: New file.
6517         * testsuite/gc_orphan_section_test.sh: New file.
6518
6519 2010-01-06  Ian Lance Taylor  <iant@google.com>
6520
6521         PR 10980
6522         * options.h (class General_options): Add --warn-shared-textrel.
6523         * layout.cc (Layout::finish_dynamic_section): Implement
6524         --warn-shared-textrel.
6525
6526         PR 10980
6527         * options.h (class General_options): Add --warn-multiple-gp.
6528
6529 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6530
6531         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6532         $(THREADSLIB) and $(LIBDL).
6533         * Makefile.in: Rebuild.
6534
6535 2010-01-06  Ian Lance Taylor  <iant@google.com>
6536
6537         PR 10980
6538         * options.cc (General_options::parse_section_start): New function.
6539         (General_options::section_start): New function.
6540         (General_options::General_options): Initialize all members.
6541         * options.h: Include <map>
6542         (class General_options): Add --section-start.  Add section_starts_
6543         member.
6544         * layout.cc (Layout::attach_allocated_section_to_segment): If
6545         --section-start was used, set the address of the segment.  Remove
6546         local sort_sections.
6547         (Layout::relaxation_loop_body): If the address of the load segment
6548         has been set by --section-start, don't use it.
6549         * output.h (Output_segment::update_flags_for_output_section): New
6550         function.
6551         * output.cc (Output_segment::add_output_section): Call
6552         update_flags_for_output_section.
6553
6554 2010-01-05  Ian Lance Taylor  <iant@google.com>
6555
6556         PR 10980
6557         * options.h (class General_options): Add --undefined-version.
6558         * script.cc (struct Version_expression): Add was_matched_by_symbol
6559         field.
6560         (Version_script_info::matched_symbol): New function.
6561         (Version_script_info::get_symbol_version_helper): Call
6562         matched_symbol.
6563         (Version_script_info::check_unmatched_names): New function.
6564         * script.h (class Version_script_info): Update declarations.
6565         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6566
6567         * options.h (class General_options): Use DEFINE_bool_alias for
6568         allow_multiple_definition.
6569         * resolve.cc (Symbol_table::should_override): Don't test
6570         allow_multiple_definition.
6571
6572         PR 10980
6573         * options.h (class General_options): Add --cref.
6574         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6575         until after printing cref table.
6576         * cref.cc: Include "symtab.h".
6577         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6578         (Cref_table_compare::operator()): New function.
6579         (Cref_inputs::gather_cref): New function.
6580         (filecol): New static const.
6581         (Cref_inputs::print_cref): New function.
6582         (Cref::print_cref): New function.
6583         * cref.h: Include <cstdio>.
6584         (class Cref): Update declarations.
6585         * mapfile.h (Mapfile::file): New function.
6586         * object.h (class Object): Define Symbols.  Declare virtual
6587         do_get_global_symbols.
6588         (Object::get_global_symbols): New function.
6589         * object.cc (Input_objects::add_object): Pass object to cref_ if
6590         --cref.
6591         (Input_objects::archive_start): Likewise.
6592         (Input_objects::archive_stop): Likewise.
6593         (Input_objects::print_cref): New function.
6594         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6595         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6596         --cref.
6597         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6598         function.
6599         * plugin.h (class Sized_pluginobj): Update declarations.
6600
6601 2010-01-05  Ian Lance Taylor  <iant@google.com>
6602
6603         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6604         to is_default_version.  Rename insdef to insdefault.
6605         (Symbol_table::add_from_relobj): Rename def to is_default_version
6606         and local to is_forced_local.
6607         (Symbol_table::add_from_pluginobj): Likewise.
6608         (Symbol_table::add_from_dynobj): Likewise.
6609         (Symbol_table::define_special_symbol): Rename insdef to
6610         insdefault.
6611
6612 2010-01-04  Ian Lance Taylor  <iant@google.com>
6613
6614         PR 10980
6615         * options.h (class General_options): Add
6616         --allow-multiple-definition and -z muldefs.
6617         * resolve.cc (Symbol_table::should_override): Don't warn about a
6618         multiple symbol definition if --allow-multiple-definition or -z
6619         muldefs.
6620
6621         PR 10980
6622         * options.h (class General_options): Add --add-needed and
6623         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6624         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6625         error if --copy-dt-needed-entries aka --add-needed is used and
6626         would cause a change in behaviour.
6627
6628         PR 10980
6629         * options.h (class General_options): Add -G as a short version of
6630         --shared.  Add no-op options -assert, -g, and -i.
6631
6632 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6633
6634         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6635         check for .text or .gnu.linkonce.t sections.
6636         * icf.cc (Icf::find_identical_sections): Ditto.
6637         Change the detection for mangled function name within the section
6638         name.
6639         * icf.h (is_section_foldable_candidate): New function.
6640
6641 2009-12-30  Ian Lance Taylor  <iant@google.com>
6642
6643         PR 10980
6644         * options.h (class General_options): Permit two dashes with
6645         --retain-symbols-file.
6646
6647 2009-12-30  Ian Lance Taylor  <iant@google.com>
6648
6649         PR 10979
6650         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6651         don't put the file header and segment headers in the text
6652         segment.
6653
6654         PR 10979
6655         * common.cc (Sort_commons::operator()): Stabilize sort when both
6656         entries are NULL.
6657         (Symbol_table::do_allocate_commons_list): When allocating common
6658         symbols, skip a symbol which is no longer common.
6659         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6660         an object before checking its type.
6661         * testsuite/common_test_2.c: New file.
6662         * testsuite/common_test_3.c: New file.
6663         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6664         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6665         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6666         (common_test_2_pic.o, common_test_2.so): New targets.
6667         (common_test_3_pic.o, common_test_3.so): New targets.
6668         * testsuite/Makefile.in: Rebuild.
6669
6670         PR 10979
6671         * script.cc (read_input_script): If we see a new SECTIONS clause,
6672         and we have added an input section, give an error.
6673         * layout.h (class Layout): Add have_added_input_section function.
6674         Add have_added_input_section_ field.
6675         * layout.cc (Layout::Layout): Initialize
6676         have_added_input_section_.
6677         (Layout::layout): Set have_added_input_section_.
6678         (Layout::layout_eh_frame): Likewise.
6679
6680 2009-12-30  Ian Lance Taylor  <iant@google.com>
6681
6682         PR 10931
6683         * options.h (class General_options): Add --sort-common option.
6684         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6685         * common.cc (Sort_common): Add sort_order parameter to
6686         constructor.  Add sort_order_ field.
6687         (Sort_commons::operator): Check sort_order_.
6688         (Symbol_table::allocate_commons): Determine the sort order.
6689         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6690         Change all callers.
6691         (Symbol_table::do_allocate_commons_list): Likewise.
6692
6693 2009-12-30  Ian Lance Taylor  <iant@google.com>
6694
6695         PR 10916
6696         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6697         symbols from this object, don't change the visibility of an
6698         undefined symbol.
6699         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6700
6701 2009-12-30  Ian Lance Taylor  <iant@google.com>
6702
6703         PR 10861
6704         * script.h (class Version_script_info): Define Language enum.
6705         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6706         new fields globals_, locals_, and is_finalized_.
6707         * script.cc: Various formatting fixes.
6708         (class Parser_closure): Change language_stack_ from a vector of
6709         std::string to one of Version_script_info::Language.  Adjust all
6710         uses accordingly.
6711         (class Lazy_demangler): Remove.
6712         (struct Version_expression): Change language from std::string to
6713         Version_script_info::Language.
6714         (Version_script_info::Version_script_info): New function.
6715         (Version_script_info::~Version_script_info): Don't call clear.
6716         (Version_script_info::finalize): New function.
6717         (Version_script_info::build_lookup_tables): New function.
6718         (Version_script_info::build_expression_list_lookup): New
6719         function.
6720         (Version_script_info::get_symbol_version_helper): Rewrite to use
6721         lookup tables.
6722         (Version_script_info::print_expression_list): Adjust to use
6723         Version_script_info::Language.
6724         (script_push_lex_into_version_mode): Check that the version script
6725         has not been finalized.
6726         (version_script_push_lang): Change language string to
6727         Version_script_info::Language.
6728         * options.cc (Command_line::version_script): New function.
6729         * options.h (class General_options): Add finalize_dynamic_list
6730         function.  Change version_script from declaration to definition.
6731         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6732         * testsuite/version_script.map: Remove duplicate def of foo.
6733         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6734         version_script.map.
6735         * testsuite/Makefile.in: Rebuild.
6736
6737 2009-12-30  Ian Lance Taylor  <iant@google.com>
6738
6739         PR 10843
6740         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6741         if the input symbol index is 0, make the output symbol index 0.
6742
6743 2009-12-30  Ian Lance Taylor  <iant@google.com>
6744
6745         PR 10670
6746         * options.h (class General_options): Add -x/--discard-all.
6747         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6748         --discard-all.  If the local symbol needs a dynamic entry, check
6749         that before handling --discard-locals.
6750
6751 2009-12-30  Ian Lance Taylor  <iant@google.com>
6752
6753         PR 10450
6754         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6755         flags to PF_R.
6756         (Output_segment::add_output_section): Don't change the flags if
6757         the type is PT_TLS.
6758
6759         PR 10450
6760         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6761         GNU hash table if they need a dynamic value.  Otherwise, don't add
6762         them if they are defined in a dynamic object or are forced local.
6763
6764 2009-12-29  Ian Lance Taylor  <iant@google.com>
6765
6766         PR 10450
6767         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6768         .gnu.hash table for a 32-bit target.
6769
6770         PR 10450
6771         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6772         regular and a dynamic object only needs a dynamic symbol table
6773         entry if it is externally visible.
6774
6775         PR 10450
6776         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6777         constructor.  Add global_offset_table_ field.
6778         (Target_i386::got_section): Set global_offset_table_.
6779         (Target_i386::do_finalize_sections): Set global_offset_table_
6780         size.
6781         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6782         in constructor.  Add global_offset_table_ field.
6783         (Target_x86_64::got_section): Set global_offset_table_.
6784         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6785         size.
6786
6787         * layout.cc (Layout::Layout): Initialize increase_relro_.
6788         (Layout::get_output_section): Add is_relro, is_last_relro, and
6789         is_first_non_relro parameters.  Change all callers.
6790         (Layout::choose_output_section): Likewise.
6791         (Layout::add_output_section_data): Likewise.
6792         (Layout::make_output_section): Likewise.
6793         (Layout::set_segment_offsets): Clear increase_relro when using a
6794         linker script.
6795         * layout.h (class Layout): Add increase_relro method.  Add
6796         increase_relro_ field.  Update declarations.
6797         * output.cc (Output_section::Output_section): Initialize
6798         is_last_relro_ and is_first_non_relro_.
6799         (Output_segment::add_output_section): Group relro sections is
6800         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6801         (Output_segment::maximum_alignment): Remove relro handling.
6802         (Output_segment::set_section_addresses): Add increase_relro
6803         parameter.  Change all callers.  Add initial alignment to align
6804         relro sections on separate page.  Remove old relro handling.
6805         (Output_segment::set_section_list_addresses): Remove in_relro
6806         parameter.  Change all callers.
6807         (Output_segment::set_offset): Add increase parameter.  Change all
6808         callers.  Remove old relro handling.
6809         * output.h (class Output_section): Add new methods: is_last_relro,
6810         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6811         Add is_last_relro_ and is_first_non_relro_ fields.
6812         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6813         Create separate .got.plt section.  Call increase_relro.
6814         * x86_64.cc (Target_x86_64::got_section): Likewise.
6815         * testsuite/relro_script_test.t: Add .got.plt.
6816
6817         PR 10450
6818         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6819         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6820         (Layout::finalize): Call set_dynamic_symbol_size.
6821         (Layout::set_dynamic_symbol_size): New function.
6822         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6823         set_dynamic_symbol_size.
6824
6825         PR 10450
6826         * output.h (class Output_section): Add is_entsize_zero_ field.
6827         * output.cc (Output_section::Output_section): Initialize
6828         is_entsize_zero_.
6829         (Output_section::set_entsize): If two different entsizes are
6830         requested, force it to zero.
6831         (Output_section::add_input_section): Set flags for .debug_str
6832         before updating section flags.  Set entsize.
6833         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6834         and SHF_STRING if all input sections have those flags.
6835
6836 2009-12-29   Rafael Espindola  <espindola@google.com>
6837
6838         * main.cc (main): Fix the sys time reporting.
6839         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6840         reporting.
6841
6842 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6843
6844         * options.cc (General_options::parse_version): Allow -v to exit
6845         without an error if there is nothing to link.
6846
6847 2009-12-29  Ian Lance Taylor  <iant@google.com>
6848
6849         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6850         using a version of gcc before 4.1.
6851         * configure: Rebuild.
6852
6853 2009-12-28  Chris Demetriou  <cgd@google.com>
6854
6855         * attributes.cc (Output_attributes_section_data::do_write): Use
6856         std::vector::front rather than std::vector::data.
6857
6858 2009-12-28  Ian Lance Taylor  <iant@google.com>
6859
6860         * symtab.h (class Symbol_table): Add enum Defined.
6861         * resolve.cc (Symbol_table::should_override): Add defined
6862         parameter.  Change all callers.  Test whether object is NULL
6863         before calling a method on it.
6864         (Symbol_table::report_resolve_problem): Add defined parameter.
6865         Change all callers.
6866         (Symbol_table::should_override_with_special): Likewise.
6867         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6868         parameter.  Change all callers.
6869         (Symbol_table::do_define_in_output_data): Likewise.
6870         (Symbol_table::define_in_output_segment): Likewise.
6871         (Symbol_table::do_define_in_output_segment): Likewise.
6872         (Symbol_table::define_as_constant): Likewise.
6873         (Symbol_table::do_define_as_constant): Likewise.
6874         * script.h (class Symbol_assignment): Add is_defsym parameter to
6875         constructor; change all callers.
6876         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6877         parameter.  Change all callers.  Add is_defsym_ field.
6878         (class Parser_closure): Add parsing_defsym parameter to
6879         constructor; change all callers.  Add parsing_defsym accessor
6880         function.  Add parsing_defsym_ field.
6881
6882 2009-12-28  Ian Lance Taylor  <iant@google.com>
6883
6884         * gold.cc (queue_middle_tasks): Fix formatting.
6885         * object.cc (Relobj::is_section_name_included): Likewise.
6886
6887 2009-12-23  Ian Lance Taylor  <iant@google.com>
6888
6889         * i386.cc (Target_i386::do_calls_non_split): Recognize
6890         -fsplit-stack prologue for a function with a static chain.
6891         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6892         -fsplit-stack prologue when using %r11.
6893
6894 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
6895
6896         * options.cc (General_options::parse_version): Make -v continue and do
6897         the link like GNU ld does.
6898
6899 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
6900
6901         * Makefile.am (CCFILES): Add timer.cc.
6902         (HFILES): Add timer.h.
6903         * configure.ac: Check for sysconf and times.
6904         * main.cc: include timer.h.
6905         (main): Use Timer instead of get_run_time.
6906         * timer.cc: New.
6907         * timer.h: New.
6908         * workqueue.cc: include timer.h.
6909         (Workqueue::find_and_run_task):
6910         Report user, sys and wall time.
6911         * Makefile.in: Regenerate.
6912         * config.in: Regenerate.
6913         * configure: Regenerate.
6914
6915 2009-12-16  Doug Kwan  <dougkwan@google.com>
6916
6917         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6918         sections.
6919         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6920         relaxed input sections.
6921         * output.cc (Output_section::find_relaxed_input_section): Change
6922         return type to Output_relaxed_input_section pointer.  Adjust code
6923         for new type of relaxed_input_section_map_.
6924         * output.h (Output_section::find_relaxed_input_section): Change
6925         return type to Output_relaxed_input_section pointer.
6926         (Output_section::Output_relaxed_input_section_by_input_section_map):
6927         New type.
6928         (Output_section::relaxed_input_section_map_): Change type to
6929         Output_section::Output_relaxed_input_section_by_input_section_map.
6930         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6931         input section.
6932
6933 2009-12-15  Ian Lance Taylor  <iant@google.com>
6934
6935         * layout.cc (Layout::create_shstrtab): Only write out after input
6936         sections if we are compressing debug sections.
6937
6938 2009-12-15  Ian Lance Taylor  <iant@google.com>
6939
6940         * archive.cc (Archive::add_symbols): Only look up a symbol without
6941         a version if there is, in fact, a version.
6942
6943 2009-12-14  Ian Lance Taylor  <iant@google.com>
6944
6945         Revert -Wshadow changes, all changes from:
6946         2009-12-11  Doug Kwan  <dougkwan@google.com>
6947         2009-12-11  Nick Clifton  <nickc@redhat.com>
6948         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6949
6950 2009-12-11  Doug Kwan  <dougkwan@google.com>
6951
6952         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6953         due to -Wshadow.
6954         * attributes.cc (Object_attribute::size): Ditto.
6955         (Attributes_section_data::size): Ditto.
6956         (Attributes_section_data::Attributes_section_data): Ditto.
6957         (Output_attributes_section_data::do_write): Ditto.
6958         * attributes.h (Object_attribute::set_type): Ditto.
6959         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6960
6961 2009-12-11  Nick Clifton  <nickc@redhat.com>
6962
6963         * archive.cc: Fix shadowed variable warnings.
6964         * arm.cc: Likewise.
6965         * compressed_output.cc: Likewise.
6966         * compressed_output.h: Likewise.
6967         * configure: Likewise.
6968         * dwarf_reader.cc: Likewise.
6969         * dynobj.cc: Likewise.
6970         * dynobj.h: Likewise.
6971         * ehframe.cc: Likewise.
6972         * ehframe.h: Likewise.
6973         * errors.cc: Likewise.
6974         * expression.cc: Likewise.
6975         * fileread.cc: Likewise.
6976         * fileread.h: Likewise.
6977         * freebsd.h: Likewise.
6978         * i386.cc: Likewise.
6979         * icf.cc: Likewise.
6980         * incremental.h: Likewise.
6981         * layout.cc: Likewise.
6982         * layout.h: Likewise.
6983         * mapfile.cc: Likewise.
6984         * merge.cc: Likewise.
6985         * merge.h: Likewise.
6986         * object.cc: Likewise.
6987         * object.h: Likewise.
6988         * options.h: Likewise.
6989         * output.cc: Likewise.
6990         * output.h: Likewise.
6991         * parameters.cc: Likewise.
6992         * plugin.cc: Likewise.
6993         * powerpc.cc: Likewise.
6994         * reduced_debug_output.cc: Likewise.
6995         * reduced_debug_output.h: Likewise.
6996         * reloc.cc: Likewise.
6997         * reloc.h: Likewise.
6998         * resolve.cc: Likewise.
6999         * script-sections.cc: Likewise.
7000         * script.cc: Likewise.
7001         * script.h: Likewise.
7002         * sparc.cc: Likewise.
7003         * symtab.cc: Likewise.
7004         * symtab.h: Likewise.
7005         * target-select.cc: Likewise.
7006         * target-select.h: Likewise.
7007         * token.h: Likewise.
7008         * workqueue.cc: Likewise.
7009         * workqueue.h: Likewise.
7010         * x86_64.cc: Likewise.
7011
7012 2009-12-10  Doug Kwan  <dougkwan@google.com>
7013
7014         * arm.cc (attributes.h): New include.
7015         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7016         (Arm_relobj::~Arm_relobj): Delete object pointed by
7017         attributes_section_data_.
7018         (Arm_relobj::attributes_section_data): New method definition.
7019         (Arm_relobj::attributes_section_data_): New data member declaration.
7020         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7021         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7022         attributes_section_data_.
7023         (Arm_dynobj::attributes_section_data): New method definition.
7024         (Arm_dynobj::attributes_section_data_): New data member declaration.
7025         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7026         initialization value of may_use_blx_ to false.
7027         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7028         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7029         object attributes to compute results instead of hard-coding.
7030         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7031         Target_arm::get_secondary_compatible_arch,
7032         Target_arm::set_secondary_compatible_arch
7033         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7034         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7035         New method declarations.
7036         (Target_arm::get_aeabi_object_attribute): New method definition.
7037         (Target_arm::attributes_section_data_): New data member declaration.
7038         (read_arm_attributes_section): New template definition.
7039         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7040         (Arm_dynobj::do_read_symbols): Ditto.
7041         (Target_arm::do_finalize_sections): Merge attributes sections from
7042         input.  Check for BLX use after attributes section merging.
7043         Fix __exidx_start and __exidx_end visibility.  Create an
7044         .ARM.attributes section if necessary.
7045         (Target_arm::get_secondary_compatible_arch,
7046         Target_arm::set_secondary_compatible_arch,
7047         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7048         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7049         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7050         New method definitions.
7051
7052 2009-12-09  Ian Lance Taylor  <iant@google.com>
7053
7054         * plugin.cc (Plugin::load): Don't cast from void* to a function
7055         pointer.
7056
7057 2009-12-09  Ian Lance Taylor  <iant@google.com>
7058
7059         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7060         information fields.
7061
7062 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7063
7064         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7065         Replace two_file_shared_1.so with two_file_shared_2.so.
7066         * testsuite/Makefile.in: Regenerated.
7067
7068 2009-12-08  Doug Kwan  <dougkwan@google.com>
7069
7070         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7071         (HFILES): Add attributes.h and int_encoding.h.
7072         * Makefile.in: Regenerate.
7073         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7074         function definitions to int_encoding.cc
7075         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7076         prototypes to int_encoding.h
7077         * reduced_debug_output.cc (int_encoding.h): New include.
7078         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7079         function definitions to int_encoding.cc
7080         (insert_into_vector, read_from_pointer): Move template definitions to
7081         int_encoding.h
7082         * attributes.cc: New file.
7083         * attributes.h: New file.
7084         * int_encoding.cc: New file.
7085         * int_encoding.h: New file.
7086
7087 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7088
7089         PR gold/11055
7090         * incremental-dump.cc (dump_incremental_inputs): New.
7091         (main): Use dump_incremental_inputs.
7092
7093 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7094
7095         PR gold/10893
7096         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7097         checking elfcpp::STT_FUNC.
7098         (Target_i386::Relocate::relocate): Likewise.
7099         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7100
7101         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7102         symbols from shared libraries into normal FUNC symbols.
7103
7104         * symtab.h (Symbol): Add is_func and use it.
7105
7106 2009-12-05  Doug Kwan  <dougkwan@google.com>
7107
7108         * arm.cc (Target_arm::arm_info): Initialize new fields
7109         attributes_section and attributes_vendor.
7110         * i386.cc (Target_i386::i386_info): Same.
7111         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7112         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7113         fields attributes_section and attributes_vendor.
7114         * sparc.cc (Target_sparc::sparc_info): Same.
7115         * target.h (Target::attributes_section, Target::attributes_vendor,
7116         Target::is_attributes_section, Target::attribute_arg_type,
7117         Target::attributes_order): New method definitions.
7118         (Target::Target_info::attributes_section,
7119         Target::Target_info::attributes_vendor): New fields.
7120         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7121         virtual method definitions.
7122         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7123         attributes_section and attributes_vendor.
7124         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7125
7126 2009-12-05  Doug Kwan  <dougkwan@google.com>
7127
7128         * arm.cc: Update comments about interworking and stub generation.
7129         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7130         considered as non-PIC.
7131         (Arm_relocate_functions::base_abs): Fix formatting.
7132         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7133         of function to use GOT entry address instead of offset.
7134         (Target_arm::Scan::global): Issue an error if a symbol would need a
7135         PLT does not get one because it is untyped.  Remove code to create
7136         dynamic symbols for relative branches.
7137         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7138         takes unsigned integer instead of boolean.
7139
7140 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7141
7142         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7143         (two_file_test_LDADD): Likewise.
7144         (common_test_1_LDADD): Likewise.
7145         (exception_test_LDADD) Likewise.
7146         (weak_test_LDADD): Likewise.
7147         (many_sections_test_LDADD): Likewise.
7148         (initpri1_LDADD): Likewise.
7149         (script_test_1_LDADD): Likewise.
7150         (script_test_2_LDADD): Likewise.
7151         (justsyms_LDADD): Likewise.
7152         (binary_test_LDADD): Likewise.
7153         (large_LDADD): Likewise.
7154         * testsuite/Makefile.in: Regenerated.
7155
7156 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7157
7158         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7159         (Symbol_table::override_with_special): Likewise.
7160         (Symbol_table::add_from_object): Likewise.
7161
7162 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7163
7164         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7165         Don't set the data_offset twice.
7166
7167 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7168
7169         * testsuite/Makefile.in: Regenerate.
7170
7171 2009-12-03  Doug Kwan  <dougkwan@google.com>
7172
7173         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7174         (Target_arm::do_finalize_sections): Add parameter for symbol table
7175         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7176         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7177         parameter for symbol table pointer.
7178         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7179         an additional parameter for a pointer to symbol table.
7180         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7181         parameter for a symbol table pointer.
7182         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7183         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7184         Ditto.
7185         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7186         parameter for a symbol table pointer.
7187
7188 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7189
7190         * incremental.cc (Incremental_inputs_header)
7191         (Incremental_inputs_header_write, Incremental_inputs_entry)
7192         (Incremental_inputs_entry_write): Move ...
7193         * incremental.h (Incremental_inputs_header)
7194         (Incremental_inputs_header_write, Incremental_inputs_entry)
7195         (Incremental_inputs_entry_write): here.
7196
7197 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7198
7199         * incremental.cc (make_sized_incremental_binary): Set the target.
7200         Error if it is incompatible.
7201         * output.h (Output_file): Add filename method.
7202
7203 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7204
7205         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7206         from the get_* methods.
7207
7208 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7209
7210         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7211         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7212         Write 0 for the data_offset of scripts.
7213
7214 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7215
7216         * testsuite/Makefile.am: Add the incremental_test.sh test.
7217         * testsuite/incremental_test.sh: New.
7218         * testsuite/incremental_test_1.c: New.
7219         * testsuite/incremental_test_2.c: New.
7220
7221 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7222
7223        * incremental-dump.cc (main): Fix typos.
7224
7225 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7226
7227         PR gold/11025
7228         * incremental-dump.cc (main): Use llu to print 64 bit values.
7229
7230 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7231             H.J. Lu  <hongjiu.lu@intel.com>
7232
7233         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7234         $(LIBDL).
7235         (incremental_dump_LDADD): Likewise.
7236         * Makefile.in: Regenerated.
7237
7238 2009-11-25  Doug Kwan  <dougkwan@google.com>
7239
7240         Revert:
7241
7242         2009-11-25  Doug Kwan  <dougkwan@google.com>
7243
7244                 * arm.cc (Target_arm::Target_arm): Move method definition
7245                 outside of class definition.  Add code to handle
7246                 --target1-rel, --target1-abs and --target2= options.
7247                 (Target_arm::get_reloc_reloc_type): Change method to be
7248                 non-static and const.
7249                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7250                 New data member declaration.
7251                 (Target_arm::Scan::local, Target_arm::Scan::global,
7252                 Target_arm::Relocate::relocate,
7253                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7254                 Adjust call to Target_arm::get_real_reloc_type.
7255                 (Target_arm::get_real_reloc_type): Use command line options
7256                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7257                 * options.h (--target1-rel, --target1-abs, --target2): New
7258                 ARM-only options.
7259
7260 2009-11-25  Doug Kwan  <dougkwan@google.com>
7261
7262         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7263         class definition.  Add code to handle --target1-rel, --target1-abs
7264         and --target2= options.
7265         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7266         and const.
7267         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7268         member declaration.
7269         (Target_arm::Scan::local, Target_arm::Scan::global,
7270         Target_arm::Relocate::relocate,
7271         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7272         call to Target_arm::get_real_reloc_type.
7273         (Target_arm::get_real_reloc_type): Use command line options to
7274         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7275         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7276         options.
7277
7278 2009-11-25  Doug Kwan  <dougkwan@google.com>
7279
7280         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7281         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7282         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7283         formatting.
7284         (Arm_relocate_functions::thm_call): Replace body with a call to
7285         Arm_relocate_functions::thumb_branch_common.
7286         (Arm_relocate_functions::thm_jump24,
7287         Arm_relocate_functions::thm_xpc22): New method definitions.
7288         (Arm_relocate_functions::thumb_branch_common): New method definition.
7289         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7290         operator.
7291         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7292         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7293
7294 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7295
7296         * Makefile.am: Build incremental-dump
7297         * Makefile.in: Regenerate.
7298         * incremental-dump.cc: New.
7299         * incremental.cc (Incremental_inputs_header_data,
7300         Incremental_inputs_entry_data): Move to incremental.h
7301         * incremental.h: (Incremental_inputs_header_data,
7302         Incremental_inputs_entry_data): Move from incremental.cc
7303
7304 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7305
7306         * incremental.cc (Incremental_inputs_header,
7307         Incremental_inputs_header_write, Incremental_inputs_entry,
7308         Incremental_inputs_entry_write): Add a typedef with the data type.
7309
7310 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7311
7312         * incremental.cc (Incremental_inputs_header,
7313         Incremental_inputs_header_write, Incremental_inputs_entry,
7314         Incremental_inputs_entry_write): Update comment about which
7315         type has the filed descriptions.
7316
7317 2009-11-15  Doug Kwan  <dougkwan@google.com>
7318
7319         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7320         (Arm_relocate_functions::arm_branch_common): Change method defintion
7321         in class definition to a method declaration and update list of formal
7322         parameters.
7323         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7324         Arm_relocation_functions::jump24): Adjust call to
7325         Arm_relocate_functions::arm_branch_common.  Update list of formal
7326         parameters.
7327         (Arm_relocate_functions::xpc25): New method definition.
7328         (Arm_relocate_functions::arm_branch_common): Move method defintion
7329         out from class definition.  Use stubs for mode-switching and extending
7330         branch ranges.
7331         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7332         specially.  Change code to enable use of stubs in ARM branches.
7333
7334 2009-11-10  Doug Kwan  <dougkwan@google.com>
7335
7336         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7337         in method declaration.
7338         (Target_arm::relocate_stub): New method declaration.
7339         (Target_arm::default_target): Change to return a pointer instead of
7340         a const reference.
7341         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7342         Target_arm::default_target.
7343         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7344         method definition.
7345         (Target_arm::relocate_section): Adjust view.
7346         (Target_arm::relocate_stub): New method definition.
7347
7348 2009-11-10  Doug Kwan  <dougkwan@google.com>
7349
7350         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7351         a format warning.
7352         * incremental.cc (open_incremental_binary): Initialized local
7353         variables to avoid warnings.
7354         * object.cc (make_elf_object): Ditto.
7355         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7356         a format warning.
7357
7358 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7359
7360         PR gold/10930
7361         * testsuite/plugin_test.c: Include "config.h".
7362
7363 2009-11-09  Doug Kwan  <dougkwan@google.com>
7364
7365         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7366         (arm_symbol_value): Remove.
7367         (Arm_relocate_functions::arm_branch_common,
7368         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7369         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7370         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7371         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7372         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7373         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7374         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7375         Arm_relocate_functions::thm_mobw_abs_nc,
7376         Arm_relocate_functions::thm_mov_abs,
7377         Arm_relocate_functions::movw_prel_nc,
7378         Arm_relocate_functions::thm_movt_abs,
7379         Arm_relocate_functions::movt_prel,
7380         Arm_relocate_functions::thm_movw_prel_nc,
7381         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7382         (Target_arm::Relocate::relocate): Only decompose address into two
7383         parts if relocation type uses the thumb-bit and pass the actual
7384         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7385         calls to methods in Arm_relocate_functions for this change.
7386
7387 2009-11-08  Ian Lance Taylor  <iant@google.com>
7388
7389         PR 10925
7390         * reloc.cc: Instantiate
7391         Sized_relobj::initialize_input_to_output_maps and
7392         Sized_relobj:free_input_to_output_maps.
7393
7394 2009-11-06  Ian Lance Taylor  <iant@google.com>
7395
7396         PR 10876
7397         * defstd.cc (in_segment): Set only_if_ref true for "end".
7398
7399 2009-11-06  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (class Reloc_stub): Correct a comment.
7402         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7403         (Target_arm::scan_section_for_stubs): New method declaration.
7404         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7405         Change methods from private to protected.
7406         (Target_arm::do_may_relax): New method definition.
7407         (Target_arm::do_relax, Target_arm::group_sections,
7408         Target_arm::scan_reloc_for_stub,
7409         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7410         (Target_arm::arm_input_section_map_): New data member declaration.
7411         (Target_arm::scan_reloc_for_stub,
7412         Target_arm::scan_reloc_section_for_stubs,
7413         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7414         Target_arm::do_relax): New method definitions.
7415
7416 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7417
7418         * configure.ac: Check for (struct stat)::st_mtim
7419         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7420         * config.in: Regenerate.
7421         * configure: Regenerate.
7422
7423 2009-11-05  Ian Lance Taylor  <iant@google.com>
7424
7425         PR 10910
7426         * output.cc (Output_segment::add_output_section): Add missing
7427         return statement.
7428
7429 2009-11-04  Ian Lance Taylor  <iant@google.com>
7430
7431         PR 10880
7432         * object.h (class Object): Add is_needed and set_is_needed
7433         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7434         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7435         defined in a dynamic object and referenced by a regular object,
7436         set is_needed for the dynamic object.
7437         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7438         if the file is marked with as_needed and it is not needed.
7439
7440 2009-11-04  Ian Lance Taylor  <iant@google.com>
7441
7442         PR 10887
7443         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7444         tags if data is discarded by linker script.
7445         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7446         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7447         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7448         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7449
7450 2009-11-04  Ian Lance Taylor  <iant@google.com>
7451
7452         * layout.cc (Layout::get_output_section): Add is_interp and
7453         is_dynamic_linker_section parameters.  Change all callers.
7454         (Layout::choose_output_section): Likewise.
7455         (Layout::make_output_section): Likewise.
7456         (Layout::add_output_section_data): Add is_dynamic_linker_section
7457         parameter.  Change all callers.
7458         * layout.h (class Layout): Update declarations.
7459         * output.h (class Output_section): Add is_interp, set_is_interp,
7460         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7461         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7462         generate_code_fills_at_write_ to a bitfield.
7463         * output.cc (Output_section::Output_sections): Initialize new
7464         fields.
7465         (Output_segment::add_output_section): Add do_sort parameter.
7466         Change all callers.
7467
7468 2009-11-03  Ian Lance Taylor  <iant@google.com>
7469
7470         PR 10860
7471         * options.h (class General_options): Add --warn-common.
7472         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7473         merging two common symbols.
7474         (Symbol_table::should_override): Handle --warn-common when merging
7475         a common symbol with a defined symbol.  Use report_resolve_problem
7476         for multiple definitions.
7477         (Symbol_table::report_resolve_problem): New function.
7478         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7479
7480 2009-11-03  Doug Kwan  <dougkwan@google.com>
7481
7482         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7483         stub_factory_.
7484         (Target_arm::stub_factory): New method definition.
7485         (Target_arm::new_arm_input_section,
7486         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7487         Target_arm::reloc_uses_thumb_bit): New method declarations.
7488         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7489         New type definitions.
7490         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7491         member declarations.
7492         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7493         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7494         New method definitions.
7495
7496 2009-11-03  Ian Lance Taylor  <iant@google.com>
7497
7498         * options.h (class General_options): Add --warn_constructors.
7499
7500 2009-11-03  Ian Lance Taylor  <iant@google.com>
7501
7502         PR 10893
7503         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7504         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7505
7506 2009-11-03  Ian Lance Taylor  <iant@google.com>
7507
7508         PR 10895
7509         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7510         --msgid-bugs-address.
7511         (install-pdf): New target.
7512         (install-data_yes): Look up one directory to find mkinstalldirs.
7513
7514 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7515
7516         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7517         tree.
7518
7519 2009-10-30  Doug Kwan  <dougkwan@google.com>
7520
7521         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7522
7523 2009-10-30  Doug Kwan  <dougkwan@google.com>
7524
7525         * arm.cc (Stub_addend_reader): New struct template definition
7526         and partial specializations.
7527         (Stub_addend_reader::operator()): New method definition for a
7528         partially specialized template.
7529
7530 2009-10-30  Doug Kwan  <dougkwan@google.com>
7531
7532         * arm.cc (Arm_relobj::processor_specific_flags): New method
7533         definition.
7534         (Arm_relobj::do_read_symbols): New method declaration.
7535         (Arm_relobj::processor_specific_flags_): New data member declaration.
7536         (Arm_dynobj): New class definition.
7537         (Target_arm::do_finalize_sections): Add input_objects parameter.
7538         (Target_arm::do_adjust_elf_header): New method declaration.
7539         (Target_arm::are_eabi_versions_compatible,
7540         (Target_arm::merge_processor_specific_flags): New method declaration.
7541         (Target_arm::do_make_elf_object): New overloaded method definitions
7542         and declaration.
7543         (Arm_relobj::do_read_symbols): New method definition.
7544         (Arm_dynobj::do_read_symbols): Ditto.
7545         (Target_arm::do_finalize_sections): Add input_objects parameters.
7546         Merge processor-specific flags from all input objects.
7547         (Target_arm::are_eabi_versions_compatible,
7548         Target_arm::merge_processor_specific_flags,
7549         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7550         New method definitions.
7551         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7552         Input_objects pointer type parameter.
7553         * layout.cc (Layout::finalize): Pass input objects to target's.
7554         finalize_sections function.
7555         * output.cc (Output_file_header::do_sized_write): Set ELF file
7556         header's processor-specific flags.
7557         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7558         Input_objects pointer type parameter.
7559         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7560         * target.h (Input_objects): New forward class declaration.
7561         (Target::processor_specific_flags,
7562         Target::are_processor_specific_flags_sect): New method definitions.
7563         (Target::finalize_sections): Add input_objects parameter.
7564         (Target::Target): Initialize processor_specific_flags_ and
7565         are_processor_specific_flags_set_.
7566         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7567         parameter.
7568         (Target::set_processor_specific_flags): New method definition.
7569         (Target::processor_specific_flags_,
7570         Target::are_processor_specific_flags_set_): New data member
7571         declarations.
7572         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7573         Input_objects pointer type parameter.
7574
7575 2009-10-30  Doug Kwan  <dougkwan@google.com>
7576
7577         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7578
7579 2009-10-28  Ian Lance Taylor  <iant@google.com>
7580
7581         * object.h (class Relobj): Drop options parameter from
7582         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7583         do_scan_relocs, do_relocate.  Change all callers.
7584         (class Sized_relobj): Drop options parameters from
7585         do_gc_process_relocs, do_scan_relocs, do_relocate,
7586         do_relocate_sections, relocate_sections, emit_relocs_scan,
7587         emit_relocs_scan_reltype.  Change all callers.
7588         (struct Relocate_info): Remove options field and all references to
7589         it.
7590         * reloc.h (class Read_relocs): Remove options constructor
7591         parameter and options_ field.  Change all callers.
7592         (class Gc_process_relocs, class Scan_relocs): Likewise.
7593         (class Relocate_task): Likewise.
7594         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7595         all callers.
7596         (scan_relocatable_relocs): Likewise.
7597         * target.h (class Sized_target): Remove options parameter from
7598         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7599         all callers.
7600         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7601         callers.
7602         * arm.cc: Update functions to remove options parameters.
7603         * i386.cc: Likewise.
7604         * powerpc.cc: Likewise.
7605         * sparc.cc: Likewise.
7606         * x86_64.cc: Likewise.
7607         * testsuite/testfile.cc: Likewise.
7608
7609 2009-10-28  Doug Kwan  <dougkwan@google.com>
7610
7611         * arm.cc (Arm_relobj): New class definition.
7612         (Arm_relobj::scan_sections_for_stubs,
7613         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7614         New method definitions.
7615
7616 2009-10-28  Cary Coutant  <ccoutant@google.com>
7617
7618         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7619         (Plugin::cleanup_done_): New member.
7620         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7621         (Plugin_manager::cleanup_done_): Remove.
7622         (Plugin_manager::add_input_file): Edit error message.
7623         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7624         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7625
7626 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7627
7628         * fileread.cc: (File_read::View::~View): Use the new
7629         data_ownership_ filed.
7630         (File_read::~File_read): Dispose the new whole_file_view_.
7631         (File_read::open): Mmap the whole file if needed.
7632         (File_read::open): Use whole_file_view_ instead of contents_.
7633         (File_read::find_view): Use whole_file_view_ if applicable.
7634         (File_read::do_read): Use whole_file_view_ instead of contents_.
7635         (File_read::make_view): Use whole_file_view_ instead of contents_,
7636         update File_read::View::View call.
7637         (File_read::find_or_make_view): Update File_read::View::View
7638         call.
7639         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7640         remove contents_
7641         (File_read::View::Data_ownership): New enum.
7642         (File_read::View::View): Replace bool mapped_ with Data_ownership
7643         argument.
7644         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7645         (File_read::View::data_ownership_): New field.
7646         (File_read::contents_): Remove (replaced by whole_file_view_).
7647         (File_read::whole_file_view_): New field.
7648         * options.h (class General_options): Add --keep-files-mapped.
7649
7650 2009-10-27  Cary Coutant  <ccoutant@google.com>
7651
7652         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7653         * testsuite/Makefile.am (plugin_test_5): New test case.
7654         * testsuite/Makefile.in: Regenerate.
7655
7656 2009-10-25  Doug Kwan  <dougkwan@google.com>
7657
7658         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7659         from private to protected to allow access by child class.
7660         (Sized_relobj::do_relocate_sections): New method declaration.
7661         (Sized_relobj::relocate_sections): Virtualize.
7662         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7663         Sized_relobj::relocate_sections.  Instantiate template explicitly
7664         for different target sizes and endianity.
7665
7666 2009-10-24  Doug Kwan  <dougkwan@google.com>
7667
7668         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7669         (Arm_input_section::as_arm_input_section): New method.
7670         (Arm_output_section): New class definition.
7671         (Arm_output_section::create_stub_group,
7672         Arm_output_section::group_sections): New method definitions.
7673
7674 2009-10-22  Doug Kwan  <dougkwan@google.com>
7675
7676         * arm.cc (Arm_input_section): New class definition.
7677         (Arm_input_section::init, Arm_input_section:do_write,
7678         Arm_input_section::set_final_data_size,
7679         Arm_input_section::do_reset_address_and_file_offset): New method
7680         definitions.
7681
7682 2009-10-21  Doug Kwan  <dougkwan@google.com>
7683
7684         * arm.cc (Stub_table, Arm_input_section): New forward class
7685         declarations.
7686         (Stub_table): New class defintion.
7687         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7688         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7689         New method definition.
7690
7691 2009-10-21  Doug Kwan  <dougkwan@google.com>
7692
7693         * arm.cc: Update copyright comments.
7694         (Target_arm): New forward class template declaration.
7695         (Arm_address): New type.
7696         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7697         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7698         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7699         constants.
7700         (Insn_template): Same.
7701         (DEF_STUBS): New macro.
7702         (Stub_type): New enum type.
7703         (Stub_template): New class definition.
7704         (Stub): Same.
7705         (Reloc_stub): Same.
7706         (Stub_factory): Same.
7707         (Target_arm::Target_arm): Initialize may_use_blx_ and
7708         should_force_pic_veneer_.
7709         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7710         Target_arm::should_force_pic_veneer,
7711         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7712         Target_arm::using_thumb_only, Target_arm:;default_target): New
7713         method defintions.
7714         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7715         New data member declarations.
7716         (Insn_template::size, Insn_template::alignment): New method defintions.
7717         (Stub_template::Stub_template): New method definition.
7718         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7719         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7720         (Stub_factory::Stub_factory): New method definition.
7721         * gold.h (string_hash): New template.
7722         * output.h (Input_section_specifier::hash_value): Use
7723         gold::string_hash.
7724         (Input_section_specifier::string_hash): Remove.
7725         * stringpool.cc (Stringpool_template::string_hash): Use
7726         gold::string_hash.
7727
7728 2009-10-20  Doug Kwan  <dougkwan@google.com>
7729
7730         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7731         symbols of relaxed input sections.
7732         * output.h (Output_section::find_relaxed_input_section): Make
7733         method public.
7734
7735 2009-10-16  Doug Kwan  <dougkwan@google.com>
7736
7737         * dynobj.cc (Versions::Versions): Initialize version_script_.
7738         Only insert base version symbol definition for a shared object
7739         if version script defines any version versions.
7740         (Versions::define_base_version): New method definition.
7741         (Versions::add_def): Check that base version is not needed.
7742         (Versions::add_need): Define base version lazily.
7743         * dynobj.h (Versions::define_base_version): New method declaration.
7744         (Versions::needs_base_version_): New data member declaration.
7745         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7746         (check_DATA): Add no_version_test.stdout.
7747         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7748         New make rules.
7749         * testsuite/Makefile.in: Regenerate.
7750         * testsuite/no_version_test.c: New file.
7751         * testsuite/no_version_test.sh: Ditto.
7752
7753 2009-10-16  Doug Kwan  <dougkwan@google.com>
7754
7755         * expression.cc (class Segment_start_expression): New class definition.
7756         (Segment_start_expression::value): New method definition.
7757         (script_exp_function_segment_start): Return a new
7758         Segment_start_expression.
7759         * gold/script-c.h (script_saw_segment_start_expression): New function
7760         prototype.
7761         * script-sections.cc (Script_sections::Script_sections): Initialize
7762         SAW_SEGMENT_START_EXPRESSION_ to false.
7763         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7764         and -Tbbs options to specify section addresses if given in
7765         command line and no SEGMENT_START expression is seen in a script.
7766         * script-sections.h (Script_sections::saw_segment_start_expression,
7767         Script_sections::set_saw_segment_start_expression): New method
7768         definition.
7769         (Script_sections::saw_segment_start_expression_): New data member
7770         declaration.
7771         * script.cc (script_saw_segment_start_expression): New function.
7772         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7773         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7774         script_test_7.sh and script_test_8.sh.
7775         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7776         script_test_8.stdout.
7777         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7778         (script_test_6, script_test_6.stdout, script_test_7,
7779         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7780         * Makefile.in: Regenerate.
7781         * testsuite/script_test_6.sh: New file.
7782         * testsuite/script_test_6.t: Same.
7783         * testsuite/script_test_7.sh: Same.
7784         * testsuite/script_test_7.t: Same.
7785         * testsuite/script_test_8.sh: Same.
7786
7787 2009-10-16  Doug Kwan  <dougkwan@google.com>
7788
7789         * output.cc (Output_segment::set_section_list_address): Cast
7790         expressions to unsigned long long type to avoid format warnings.
7791
7792 2009-10-15  Ian Lance Taylor  <iant@google.com>
7793
7794         * script.cc (Script_options::add_symbol_assignment): Always add a
7795         dot assignment to script_sections_.
7796         * script-sections.cc (Script_sections::add_dot_assignment):
7797         Initialize if necessary.
7798
7799         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7800         program headers with no load segment if there is a linker script.
7801
7802         * layout.cc (Layout::set_segment_offsets): Align the file offset
7803         to the segment aligment for -N or -n with no load segment.
7804         * output.cc (Output_segment::add_output_section): Don't crash if
7805         the first section is a TLS section.
7806         (Output_segment::set_section_list_addresses): Print an error
7807         message if the address moves backward in a linker script.
7808         * script-sections.cc
7809         (Output_section_element_input::set_section_addresses): Don't
7810         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7811         (Orphan_output_section::set_section_addresses): Likewise.
7812
7813 2009-10-15  Doug Kwan  <dougkwan@google.com>
7814
7815         * layout.cc (Layout::finish_dynamic_section): Generate tags
7816         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7817         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7818         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7819
7820 2009-10-14  Ian Lance Taylor  <iant@google.com>
7821
7822         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7823         fields.
7824         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7825         data_shdr fields of relinfo.
7826         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7827         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7828         R_386_TLS_LDO_32, adjust based on section flags.
7829         (Target_i386::Relocate::fix_up_ldo): Remove.
7830
7831 2009-10-13  Ian Lance Taylor  <iant@google.com>
7832
7833         Add support for -pie.
7834         * options.h (class General_options): Add -pie and
7835         --pic-executable.
7836         (General_options::output_is_position_independent): Test -pie.
7837         (General_options::output_is_executable): Return true if not shared
7838         and not relocatable.
7839         (General_options::output_is_pie): Remove.
7840         * options.cc (General_options::finalize): Reject incompatible uses
7841         of -pie.
7842         * gold.cc (queue_middle_tasks): A -pie link is not static.
7843         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7844         * symtab.cc (Symbol::final_value_is_known): Return false if
7845         output_is_position_independent.
7846         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7847         output_is_position_independent.
7848         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7849         output_is_position_independent.
7850         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7851         output_is_position_independent.
7852         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7853         two_file_pie_test.
7854         (basic_pie_test.o, basic_pie_test): New targets.
7855         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7856         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7857         (two_file_pie_test): New target.
7858         * testsuite/Makefile.in: Rebuild.
7859         * README: Remove note saying that -pie is not supported.
7860
7861 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7862
7863         * options.h (class General_options): Add -init and -fini.
7864         * layout.cc (Layout::finish_dynamic_section): Emit
7865         given init and fini functions.
7866
7867 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7868
7869         * gc.h (gc_process_relocs): Check if icf is enabled using new
7870         function.
7871         * gold.cc (queue_initial_tasks): Likewise.
7872         (queue_middle_tasks): Likewise.
7873         * object.cc (do_layout): Likewise.
7874         * symtab.cc (is_section_folded): Likewise.
7875         * main.cc (main): Likewise.
7876         * reloc.cc (Read_relocs::run): Likewise.
7877         (Sized_relobj::do_scan_relocs): Likewise.
7878         * icf.cc (is_function_ctor_or_dtor): New function.
7879         (Icf::find_identical_sections): Check if function is ctor or dtor when
7880         safe icf is chosen.
7881         * options.h (General_options::icf): Change option to be an enum.
7882         (Icf_status): New enum.
7883         (icf_enabled): New method.
7884         (icf_safe_folding): New method.
7885         (set_icf_status): New method.
7886         (icf_status_): New variable.
7887         * (options.cc) (General_options::finalize): Set icf_status_.
7888         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7889         icf_test and icf_keep_unique_test to use the --icf enum flag.
7890         * testsuite/icf_safe_test.sh: New file.
7891         * testsuite/icf_safe_test.cc: New file.
7892
7893 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
7894
7895         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7896         includes to gc.h and icf.h.
7897         * arm.cc: Include gc.h.
7898         * gold.cc: Likewise.
7899         * i386.cc: Likewise.
7900         * powerpc.cc: Likewise.
7901         * sparc.cc: Likewise.
7902         * x86_64.cc: Likewise.
7903         * gc.h: Include icf.h.
7904
7905 2009-10-11  Ian Lance Taylor  <iant@google.com>
7906
7907         * plugin.cc: Include "gold.h" before other header files.
7908
7909 2009-10-10  Chris Demetriou  <cgd@google.com>
7910
7911         * options.h (Input_file_argument::Input_file_type): New enum.
7912         (Input_file_argument::is_lib_): Replace with...
7913         (Input_file_argument::type_): New member.
7914         (Input_file_argument::Input_file_argument): Take Input_file_type
7915         'type' rather than boolean 'is_lib' as second argument.
7916         (Input_file_argument::is_lib): Use type_.
7917         (Input_file_argument::is_searched_file): New function.
7918         (Input_file_argument::may_need_search): Handle is_searched_file.
7919         * options.cc (General_options::parse_library): Support -l:filename.
7920         (General_options::parse_just_symbols): Update for Input_file_argument
7921         changes.
7922         (Command_line::process): Likewise.
7923         * archive.cc (Archive::get_file_and_offset): Likewise.
7924         * plugin.cc (Plugin_manager::release_input_file): Likewise.
7925         * script.cc (read_script_file, script_add_file): Likewise.
7926         * fileread.cc (Input_file::Input_file): Likewise.
7927         (Input_file::will_search_for): Handle is_searched_file.
7928         (Input_file::open): Likewise.
7929         * readsyms.cc (Read_symbols::get_name): Likewise.
7930         * testsuite/Makefile.am (searched_file_test): New test.
7931         * testsuite/Makefile.in: Regenerate.
7932         * testsuite/searched_file_test.cc: New file.
7933         * testsuite/searched_file_test_lib.cc: New file.
7934
7935 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7936             Ian Lance Taylor  <iant@google.com>
7937
7938         * descriptor.cc: Include <cstdio> and "binary-io.h".
7939         (Descriptors::open): Open the files in binary mode always.
7940         * script.cc (Lex::get_token): Treat \r as whitespace.
7941
7942 2009-10-09  Ian Lance Taylor  <iant@google.com>
7943
7944         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7945
7946 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7947             Ian Lance Taylor  <iant@google.com>
7948
7949         * configure.ac: Check for readv function also.
7950         * fileread.cc (readv): Define if not HAVE_READV.
7951         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7952         does not exist.
7953         * config.in: Regenerate.
7954         * configure: Regenerate.
7955
7956 2009-10-09  Doug Kwan  <dougkwan@google.com>
7957
7958         * layout.cc (Layout::make_output_section): Call target hook to make
7959         ordinary output section.
7960         (Layout::finalize): Adjust parameter list of call the
7961         Target::may_relax().
7962         * layout.h (class Layout::section_list): New method.
7963         * merge.h (Output_merge_base::entsize): Change visibility to public.
7964         (Output_merge_base::is_string, Output_merge_base::do_is_string):
7965         New methods.
7966         (Output_merge_string::do_is_string): New method.
7967         * object.cc (Sized_relobj::do_setup): renamed from
7968         Sized_relobj::set_up.
7969         * object.h (Sized_relobj::adjust_shndx,
7970         Sized_relobj::initializ_input_to_output_maps,
7971         Sized_relobj::free_input_to_output_maps): Change visibilities to
7972         protected.
7973         (Sized_relobj::setup): Virtualize.
7974         (Sized_relobj::do_setup): New method declaration.
7975         (Sized_relobj::invalidate_section_offset,
7976         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7977         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7978         * options.cc (parse_int): New function.
7979         * options.h (parse_int): New declaration.
7980         (DEFINE_int): New macro.
7981         (stub_group_size): New option.
7982         * output.cc (Output_section::Output_section): Initialize memebers
7983         merge_section_map_, merge_section_by_properties_map_,
7984         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7985         (Output_section::add_input_section): Handled deferred code-fill
7986         generation and remove an old comment.
7987         (Output_section::add_relaxed_input_section): New method definition.
7988         (Output_section::add_merge_input_section): Use merge section by
7989         properties map to speed to search.  Update merge section maps
7990         as appropriate.
7991         (Output_section::build_relaxation_map): New method definition.
7992         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7993         Same.
7994         (Output_section::relax_input_section): Renamed to
7995         Output_section::convert_input_sections_to_relaxed_sections and change
7996         interface to take a vector of pointers to relaxed sections.
7997         (Output_section::find_merge_section,
7998         Output_section::find_relaxed_input_section): New method definitions.
7999         (Output_section::is_input_address_mapped,
8000         Output_section::output_offset, Output_section::output_address):
8001         Use output section data maps to speed up searching.
8002         (Output_section::find_starting_output_address): Add comments.
8003         (Output_section::do_write,
8004         Output_section::write_to_postprocessing_buffer): Do code-fill
8005         generation as appropriate.
8006         (Output_section::get_input_sections): Invalidate relaxed input section
8007         map.
8008         (Output_section::restore_states): Adjust type of checkpoint .
8009         Invalidate relaxed input section map.
8010         * output.h (Output_merge_base): New class declaration.
8011         (Input_section_specifier): New class defintion.
8012         (class Output_relaxed_input_section) Change base class to
8013         Output_section_data_build.
8014         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8015         base class initializer.
8016         (Output_section::add_relaxed_input_section): New method declaration.
8017         (Output_section::Input_section): Change visibility to protected.
8018         (Output_section::Input_section::relobj,
8019         Output_section::Input_section::shndx): Handle relaxed input sections.
8020         Output_section::input_sections) Change visibility to protected.  Also
8021         define overload to return a non-const pointer.
8022         (Output_section::Merge_section_properties): New class defintion.
8023         (Output_section::Merge_section_by_properties_map,
8024         Output_section::Output_section_data_by_input_section_map,
8025         Output_section::Relaxation_map): New types.
8026         (Output_section::relax_input_section): Rename method to
8027         Output_section::convert_input_sections_to_relaxed_sections and change
8028         interface to take a vector of relaxed section pointers.
8029         (Output_section::find_merge_section,
8030         Output_section::find_relaxed_input_section,
8031         Output_section::build_relaxation_map,
8032         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8033         New method declarations.
8034         (Output_section::merge_section_map_
8035         Output_section::merge_section_by_properties_map_,
8036         Output_section::relaxed_input_section_map_,
8037         Output_section::is_relaxed_input_section_map_valid_,
8038         Output_section::generate_code_fills_at_write_): New data members.
8039         * script-sections.cc
8040         (Output_section_element_input::set_section_addresses): Call
8041         current_data_size and addralign methods of relaxed input sections.
8042         (Orphan_output_section::set_section_addresses): Call current_data_size
8043         and addralign methods of relaxed input sections.
8044         * symtab.cc (Symbol_table::compute_final_value): Extract template
8045         from the body of Symbol_table::sized_finalize_symbol.
8046         (Symbol_table::sized_finalized_symbol): Call
8047         Symbol_table::compute_final_value.
8048         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8049         (Symbol_table::compute_final_value): New templated method declaration.
8050         * target.cc (Target::do_make_output_section): New method defintion.
8051         * target.h (Target::make_output_section): New method declaration.
8052         (Target::relax): Add more parameters for input objects, symbol table
8053         and layout.  Adjust call to do_relax.
8054         (Target::do_make_output_section): New method declaration.
8055         (Target::do_relax): Add parameters for input objects, symbol table
8056         and layout.
8057
8058 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8059
8060         * pread.c: Include stdio.h.
8061
8062 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8063
8064         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8065         defined.
8066
8067 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8068
8069         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8070         Change read_shndx type to unsigned int.
8071         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8072         int.
8073         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8074         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8075         Change read_shndx type to unsigned int.
8076         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8077         int.
8078         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8079         * layout.cc (Layout::create_symtab_sections): Cast the result of
8080         local_symcount * symsize to off_t in the gold_assert.
8081
8082 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8083
8084         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8085         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8086         R_ARM_BASE_ABS.
8087         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8088         (Arm_relocate_functions::thm_abs5): New function.
8089         (Arm_relocate_functions::abs12): New function.
8090         (Arm_relocate_functions::abs16): New function.
8091         (Arm_relocate_functions::base_abs): New function.
8092         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8093         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8094         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8095         R_ARM_BASE_ABS.
8096         (Scan::global): Likewise.
8097         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8098         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8099         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8100         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8101         R_ARM_BASE_ABS.
8102
8103 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8104
8105         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8106         (Arm_relocate_functions::movt_prel): New function.
8107         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8108         (Arm_relocate_functions::thm_movt_prel): New function.
8109         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8110         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8111         (Scan::global, Relocate::relocate): Likewise.
8112         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8113
8114 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8115
8116         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8117         Incremental_checker.
8118         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8119         unsigned int.
8120         (class Incremental_inputs_header): New class.
8121         (Incremental_inputs_header_writer): Edit comment.
8122         (Incremental_inputs_entry): New class.
8123         (Incremental_inputs_entry_writer): Edit comment.
8124         (Sized_incremental_binary::do_find_incremental_inputs_section):
8125         Add *strtab_shndx parameter, fill it.
8126         (Sized_incremental_binary::do_check_inputs): New method.
8127         (Incremental_checker::can_incrementally_link_output_file): Use
8128         Sized_incremental_binary::check_inputs.
8129         (Incremental_inputs::report_command_line): Save command line in
8130         command_line_.
8131         * incremental.h:
8132         (Incremental_binary::find_incremental_inputs_section): New
8133         method.
8134         (Incremental_binary::do_find_incremental_inputs_section): Add
8135         strtab_shndx parameter.
8136         (Incremental_binary::do_check_inputs): New pure virtual method.
8137         (Sized_incremental_binary::do_check_inputs): Declare.
8138         (Incremental_checker::Incremental_checker): Add incremental_inputs
8139         parameter, use it to initialize incremental_inputs_.
8140         (Incremental_checker::incremental_inputs_): New field.
8141         (Incremental_checker::command_line): New method.
8142         (Incremental_checker::inputs): New method.
8143         (Incremental_checker::command_line_): New field.
8144
8145 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8146
8147         * incremental.cc: Include <cstdarg> and "target-select.h".
8148         (vexplain_no_incremental): New function.
8149         (explain_no_incremental): New function.
8150         (Incremental_binary::error): New method.
8151         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8152         method.
8153         (make_sized_incremental_binary): New function.
8154         (open_incremental_binary): New function.
8155         (can_incrementally_link_file): Add checks if output is ELF and has
8156         inputs section.
8157         * incremental.h: Include "elfcpp_file.h" and "output.h".
8158         (Incremental_binary): New class.
8159         (Sized_incremental_binary): New class.
8160         (open_incremental_binary): Declare.
8161         * object.cc (is_elf_object): Use
8162         elfcpp::Elf_recognizer::is_elf_file.
8163         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8164         * output.h (Output_file::filesize): New method.
8165
8166 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8167
8168         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8169         New function.
8170         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8171         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8172         function.
8173         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8174         function.
8175         (Arm_relocate_functions::movw_abs_nc): New function.
8176         (Arm_relocate_functions::movt_abs): New function.
8177         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8178         (Arm_relocate_functions::thm_movt_abs): New function.
8179         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8180         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8181         (Scan::global): Likewise.
8182         (Relocate::relocate): Likewise.
8183         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8184
8185 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8186
8187         * arm.cc (Arm_relocate_functions::got_prel) New function.
8188         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8189         (Relocate::relocate): Likewise.
8190         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8191
8192 2009-10-06  Ian Lance Taylor  <iant@google.com>
8193
8194         * options.h (class General_options): Define
8195         split_stack_adjust_size parameter.
8196         * object.h (class Object): Add uses_split_stack_ and
8197         has_no_split_stack_ fields.  Add uses_split_stack and
8198         has_no_split_stack accessor functions.  Declare
8199         handle_split_stack_section.
8200         (class Reloc_symbol_changes): Define.
8201         (class Sized_relobj): Define Function_offsets.  Declare
8202         split_stack_adjust, split_stack_adjust_reltype, and
8203         find_functions.
8204         * object.cc (Object::handle_split_stack_section): New function.
8205         (Sized_relobj::do_layout): Call handle_split_stack_section.
8206         * dynobj.cc (Sized_dynobj::do_layout): Call
8207         handle_split_stack_section.
8208         * reloc.cc (Sized_relobj::relocate_sections): Call
8209         split_stack_adjust for executable sections in split_stack
8210         objects.  Pass reloc_map to relocate_section.
8211         (Sized_relobj::split_stack_adjust): New function.
8212         (Sized_relobj::split_stack_adjust_reltype): New function.
8213         (Sized_relobj::find_functions): New function.
8214         * target-reloc.h: Include "object.h".
8215         (relocate_section): Add reloc_symbol_changes parameter.  Change
8216         all callers.
8217         * target.h (class Target): Add calls_non_split method.  Declare
8218         do_calls_non_split virtual method.  Declare match_view and
8219         set_view_to_nop.
8220         * target.cc: Include "elfcpp.h".
8221         (Target::do_calls_non_split): New function.
8222         (Target::match_view): New function.
8223         (Target::set_view_to_nop): New function.
8224         * gold.cc (queue_middle_tasks): Give an error if mixing
8225         split-stack and non-split-stack objects with -r.
8226         * i386.cc (Target_i386::relocate_section): Add
8227         reloc_symbol_changes parameter.
8228         (Target_i386::do_calls_non_split): New function.
8229         * x86_64.cc (Target_x86_64::relocate_section): Add
8230         reloc_symbol_changes parameter.
8231         (Target_x86_64::do_calls_non_split): New function.
8232         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8233         parameter.
8234         * powerpc.cc (Target_powerpc::relocate_section): Add
8235         reloc_symbol_changes parameter.
8236         * sparc.cc (Target_sparc::relocate_section): Add
8237         reloc_symbol_changes parameter.
8238         * configure.ac: Call AM_CONDITIONAL for the default target.
8239         * configure: Rebuild.
8240         * testsuite/Makefile.am (TEST_AS): New variable.
8241         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8242         (check_DATA): Add split_i386 and split_x86_64 files.
8243         (SPLIT_DEFSYMS): Define.
8244         (split_i386_[1234n].o): New targets.
8245         (split_i386_[124]): New targets.
8246         (split_i386_[1234r].stdout): New targets.
8247         (split_x86_64_[1234n].o): New targets.
8248         (split_x86_64_[124]): New targets.
8249         (split_x86_64_[1234r].stdout): New targets.
8250         (MOSTLYCLEANFILES): Add new executables.
8251         * testsuite/split_i386.sh: New file.
8252         * testsuite/split_x86_64.sh: New file.
8253         * testsuite/split_i386_1.s: New file.
8254         * testsuite/split_i386_2.s: New file.
8255         * testsuite/split_i386_3.s: New file.
8256         * testsuite/split_i386_4.s: New file.
8257         * testsuite/split_i386_n.s: New file.
8258         * testsuite/split_x86_64_1.s: New file.
8259         * testsuite/split_x86_64_2.s: New file.
8260         * testsuite/split_x86_64_3.s: New file.
8261         * testsuite/split_x86_64_4.s: New file.
8262         * testsuite/split_x86_64_n.s: New file.
8263         * testsuite/testfile.cc (Target_test): Update relocation_section
8264         function.
8265         * testsuite/Makefile.in: Rebuild.
8266
8267 2009-10-06  Ian Lance Taylor  <iant@google.com>
8268
8269         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8270         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8271         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8272         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8273         the address on ldo_addrs_.
8274         (Target_i386::Relocate::fix_up_ldo): New function.
8275
8276 2009-10-06   Rafael Espindola  <espindola@google.com>
8277
8278         * plugin.cc (add_input_library): New.
8279         (Plugin::load): Add add_input_library to tv.
8280         (Plugin_manager::add_input_file): Add the is_lib argument.
8281         (add_input_file): Update call to Plugin_manager::add_input_file.
8282         (add_input_library): New.
8283         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8284
8285 2009-09-30  Doug Kwan  <dougkwan@google.com>
8286
8287         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8288         symbol and call Symbol::may_need_copy_reloc to determine if
8289         a copy reloc is needed.
8290         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8291         nocopyreloc is given in command line.
8292         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8293         given in command line.
8294         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8295         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8296         of the removed Target_i386::may_need_copy_reloc.
8297         * options.h (copyreloc): New option with default value false.
8298         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8299         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8300         instead of the removed Target_powerpc::may_need_copy_reloc.
8301         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8302         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8303         instead of the removed Target_sparc::may_need_copy_reloc.
8304         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8305         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8306         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8307         instead of the removed Target_x86_64::may_need_copy_reloc.
8308
8309 2009-09-30  Ian Lance Taylor  <iant@google.com>
8310
8311         * object.h (class Object): Remove target_ field, and target,
8312         sized_target, and set_target methods.
8313         (Object::sized_target): Remove.
8314         (class Sized_relobj): Update declarations.  Remove sized_target.
8315         * object.cc (Sized_relobj::setup): Remove target parameter.
8316         Change all callers.
8317         (Input_objects::add_object): Don't do anything with the target.
8318         (make_elf_sized_object): Add punconfigured parameter.  Change all
8319         callers.  Set or test parameter target.
8320         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8321         Change all callers.
8322         * parameters.cc (Parameters::set_target): Change parameter type to
8323         be non-const.
8324         (Parameters::default_target): Remove.
8325         (set_parameters_target): Change parameter type to be non-const.
8326         (parameters_force_valid_target): New function.
8327         (parameters_clear_target): New function.
8328         * parameters.h (class Parameters): Update declarations.  Remove
8329         default_target method.  Add sized_target and clear_target
8330         methods.  Change target_ to be non-const.
8331         (set_parameters_target): Update declaration.
8332         (parameters_force_valid_target): Declare.
8333         (parameters_clear_target): Declare.
8334         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8335         as NULL if we aren't searching.
8336         (Add_symbols::run): Don't check for compatible target.
8337         * fileread.cc (Input_file::open_binary): Call
8338         parameters_force_valid_target.
8339         * gold.cc (queue_middle_tasks): Likewise.
8340         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8341         set_target on object.
8342         * dynobj.h (class Sized_dynobj): Update declarations.
8343         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8344         make_elf_object returns NULL.
8345         (Archive::include_member): Don't check whether object target is
8346         compatible.
8347         * output.cc (Output_section::add_input_section): Get target from
8348         parameters.
8349         (Output_section::relax_input_section): Likewise.
8350         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8351         parameters.
8352         (Sized_relobj::do_scan_relocs): Likewise.
8353         (Sized_relobj::relocate_sections): Likewise.
8354         * resolve.cc (Symbol_table::resolve): Likewise.
8355         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8356         parameter.  Change all callers.
8357         (Symbol_table::add_from_object): Get target from parameters.
8358         (Symbol_table::add_from_relobj): Don't check object target.
8359         (Symbol_table::add_from_dynobj): Likewise.
8360         (Symbol_table::define_special_symbol): Get target from
8361         parameters.
8362         * symtab.h (class Symbol_table): Update declaration.
8363         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8364         parameter.  Change all callers.  Clear parameter target.
8365         (Binary_test): Test target here.
8366         * testsuite/object_unittest.cc (gold_testsuite): Remove
8367         target_test_pointer parameter.  Change all callers.
8368         (Object_test): Test target here.
8369
8370 2009-09-26  Ian Lance Taylor  <iant@google.com>
8371
8372         * testsuite/initpri1.c: Don't try to use constructor priorities if
8373         compiling with gcc before 4.3.
8374
8375 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8376
8377         * testsuite/retain_symbols_file_test.sh (check_present): Change
8378         output file name to retain_symbols_file_test.stdout.
8379         (check_absent): Likewise.
8380
8381 2009-09-18  Craig Silverstein  <csilvers@google.com>
8382
8383         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8384         * options.cc: Include <cerrno> and <fstream>.
8385         (General_options::finalize): Parse -retain-symbols-file tag.
8386         * options.h: New flag.
8387         (General_options): New method should_retain_symbol, new
8388         variable symbols_to_retain.
8389         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8390         should_retain_symbol map.
8391         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8392         * testsuite/Makefile.in: Regenerate.
8393         * testsuite/retain_symbols_file_test.sh: New file.
8394
8395 2009-09-18  Nick Clifton  <nickc@redhat.com>
8396
8397         * po/es.po: Updated Spanish translation.
8398
8399 2009-09-17  Doug Kwan  <dougkwan@google.com>
8400
8401         * debug.h (DEBUG_RELAXATION): New constant.
8402         (DEBUG_ALL): Add DEBUG_RELAXATION.
8403         (debug_string_to_enum): Add relaxation debug option.
8404         * layout.cc
8405         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8406         Layout::Relaxation_debug_check::read_sections,
8407         Layout::Relaxation_debug_check::read_sections): New method definitions.
8408         (Layout::Layout): Initialize data members
8409         record_output_section_data_from_scrips_,
8410         script_output_section_data_list_ and relaxation_debug_check_.
8411         (Layout::save_segments, Layout::restore_segments,
8412         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8413         Layout::relaxation_loop_body): New method definitions.
8414         (Layout::finalize): Support relaxation.  Move section layout code to
8415         Layout::relaxation_loop_body.
8416         (Layout::set_asection_address_from_script): Move code for orphan
8417         section placement out.
8418         (Layout::place_orphan_sections_in_script): New method definition.
8419         * layout.h (Output_segment_headers, Output_file_header):
8420         New forward class declarations.
8421         (Layout::~Layout): Define.
8422         (Layout::new_output_section_data_from_script): New method definition.
8423         (Layout::place_orphan_sections_in_script): New method declaration.
8424         (Layout::Segment_states): New type declaration.
8425         (Layout::save_segments, Layout::restore_segments,
8426         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8427         Layout::relaxation_loop_body): New method declarations.
8428         (Layout::Output_section_data_list): New type declaration.
8429         (Layout::Relaxation_debug_check): New class definition.
8430         (Layout::record_output_section_data_from_script_,
8431         Layout::script_output_section_data_list_, Layout::segment_states_,
8432         Layout::relaxation_debug_check_): New data members.
8433         * output.cc: (Output_section_headers::do_size): New method definition.
8434         (Output_section_headers::Output_section_headers): Move size
8435         computation to Output_section_headers::do_size.
8436         (Output_segment_headers::do_size): New method definition.
8437         (Output_file_header::Output_file_header): Move size computation to
8438         Output_file_header::do_size and call it.
8439         (Output_file_header::do_size): New method definition.
8440         (Output_data_group::Output_data_group): Adjust call to
8441         Output_section_data.
8442         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8443         (Output_symtab_xindex::do_write): Add array bound check.
8444         (Output_section::Input_section::print_to_mapfile): Handle
8445         RELAXED_INPUT_SECTION_CODE.
8446         (Output_section::Output_section): Initialize data member checkpoint_.
8447         (Output_section::~Output_section): Delete checkpoint object pointed
8448         by checkpoint_.
8449         (Output_section::add_input_section): Always add an Input_section if
8450         relaxing.
8451         (Output_section::add_merge_input_section): Add assert.
8452         (Output_section::relax_input_section): New method definition.
8453         (Output_section::set_final_data_size): Set load address to zero for
8454         an unallocated section.
8455         (Output_section::do_address_and_file_offset_have_reset_values):
8456         New method definition.
8457         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8458         Handle relaxed input section.
8459         (Output_section::sort_attached_input_sections): Checkpoint input
8460         section list lazily.
8461         (Output_section::get_input_sections): Change type of input_sections to
8462         list of Simple_input_section pointers.  Checkpoint input section list
8463         lazily.  Also handle relaxed input sections.
8464         (Output_section::add_input_section_for_script): Take a reference to
8465         a Simple_input_section object instead of Relobj pointer and section
8466         index as parameter.  Handle relaxed input sections.
8467         (Output_section::save_states, Output_section::restore_states): New
8468         method definitions.
8469         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8470         (Output_data::is_data_size_fixed): New method definition.
8471         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8472         if it is fixed.
8473         (Output_data::address_and_file_offset_have_reset_values): New method
8474         definition.
8475         (Output_data::do_address_and_file_offset_have_reset_values): New method
8476         definition.
8477         (Output_data::set_data_size): Check that data size is not fixed.
8478         (Output_data::fix_data_size): New method definition.
8479         (Output_data::is_data_size_fixed_): New data member.
8480         (Output_section_headers::set_final_data_size): New method definition.
8481         (Output_section_headers::do_size): New method declaration.
8482         (Output_segment_headers::set_final_data_size): New method definition.
8483         (Output_segment_headers::do_size): New method declaration.
8484         (Output_file_header::set_final_data_size)::New method definition.
8485         (Output_file_header::do_size)::New method declaration.
8486         (Output_section_data::Output_section_data): Add new parameter
8487         is_data_size_fixed and use it to fix data size.
8488         (Output_data_const::Output_data_const): Adjust call to base class
8489         constructor and fix data size.
8490         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8491         base class constructor and fix data size.
8492         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8493         base class constructor and fix data size.
8494         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8495         class constructor and fix data size.
8496         (Output_data_group::set_final_data_size): New method definition.
8497         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8498         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8499         class constructor and fix data size.
8500         (Output_relaxed_input_section): New class definition.
8501         (Output_section::Simple_input_section): New class definition.
8502         (Output_section::get_input_sections): Adjust parameter list.
8503         (Output_section::add_input_section_for_script): Same.
8504         (Output_section::save_states, Output_section::restore_states,
8505         Output_section::do_address_and_file_offset_have_reset_values,
8506         (Output_section::Input_section::Input_section): Handle
8507         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8508         Output_relaxed_input_section.
8509         (Output_section::Input_section::is_input_section,
8510         Output_section::Input_section::set_output_section): Handle relaxed
8511         input section.
8512         (Output_section::Input_section::is_relaxed_input_section,
8513         Output_section::Input_section::output_section_data,
8514         Output_section::Input_section::relaxed_input_section): New method
8515         definitions.
8516         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8517         value.
8518         (Output_section::Input_section::u1_): Update comments.
8519         (Output_section::Input_section::u2_): Add new union member poris.
8520         (Output_section::Checkpoint_output_section): New classs definition.
8521         (Output_section::relax_input_section): New method declaration.
8522         (Output_section::checkpoint_): New data member.
8523         (Output_segment): Update comments.
8524         (Output_segment::Output_segment): Un-privatize copy constructor.
8525         (Output_segment::operator=): Un-privatize.
8526         * script-sections.cc (Output_section_element::Input_section_list):
8527         Change element type to Output_section::Simple_input_section.
8528         (Output_section_element_dot_assignment::set_section_addresses):
8529         Register output section data for relaxation clean up.
8530         (Output_data_exression::Output_data_expression): Adjust call to base
8531         constructor to fix data size.
8532         (Output_section_element_data::set_section_addresses): Register
8533         Output_data_expression object for relaxation clean up.
8534         (struct Input_section_info): Replace Relobj pointer and section index
8535         pair with Output_section::Simple_input_section and Convert struct to a
8536         class.
8537         (Input_section_sorter::operator()): Adjust access to
8538         Input_section_info data member to use accessors.
8539         (Output_section_element_input::set_section_addresses): Use layout
8540         parameter.  Adjust code to use Output_section::Simple_input_section
8541         and Input_secction_info classes.  Register filler for relaxation
8542         clean up.
8543         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8544         and section index pair with Output_section::Simple_input_section
8545         class.  Adjust code accordingly.
8546         (Phdrs_element::release_segment): New method definition.
8547         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8548         segment list.
8549         (Script_sections::release_segments): New method definition.
8550         * gold/script-sections.h (Script_sections::release_segments): New
8551         method declaration.
8552         * gold/target.h (Target::may_relax, Target::relax,
8553         Target::do_may_relax, Target::do_relax): New method definitions.
8554
8555 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8556
8557         * arm.cc (has_signed_unsigned_overflow): New function.
8558         (Arm_relocate_functions::abs8): New function.
8559         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8560         (Target_arm::Scan::global): Likewise.
8561         (Target_arm::relocate::relocate): Likewise.
8562         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8563         Likewise.
8564
8565 2009-09-16  Cary Coutant  <ccoutant@google.com>
8566
8567         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8568         * testsuite/Makefile.in: Regenerate.
8569
8570 2009-09-11  Nick Clifton  <nickc@redhat.com>
8571
8572         * po/gold.pot: Updated by the Translation project.
8573
8574 2009-09-08  Cary Coutant  <ccoutant@google.com>
8575
8576         * output.cc (Output_file::open): Add execute permission to empty file.
8577         * testsuite/Makefile.am (permission_test): New test.
8578         * testsuite/Makefile.in: Regenerate.
8579
8580 2009-09-02  Ian Lance Taylor  <iant@google.com>
8581
8582         * output.cc (Output_file::resize): Call map_no_anonymous rather
8583         than map.
8584
8585 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8586
8587         * gold.cc: Include "incremental.h".
8588         (queue_initial_tasks): Call Incremental_checker methods.
8589         * incremental.cc: Include "output.h".
8590         (Incremental_checker::can_incrementally_link_output_file): New
8591         method.
8592         * incremental.h (Incremental_checker): New class.
8593
8594         * output.cc (Output_file::open_for_modification): New method.
8595         (Output_file::map_anonymous): Changed return type to bool.  Record
8596         map in base_ field.
8597         (Output_file::map_no_anonymous): New method, broken out of map.
8598         (Output_file::map): Use map_no_anonymous and map_anonymous.
8599         * output.h (class Output_file): Update declarations.
8600
8601 2009-08-24  Cary Coutant  <ccoutant@google.com>
8602
8603         * options.h (Command_line::Pre_options): New class.
8604         (Command_line::pre_options): New member.
8605         * options.cc (gold::options::ready_to_register): New variable.
8606         (One_option::register_option): Do nothing if not registering options.
8607         Assert if same short option registered twice.
8608         (General_options::General_options): Turn off option registration when
8609         done constructing.
8610         (Command_line::Pre_options::Pre_options): New constructor.
8611
8612 2009-08-24  Cary Coutant  <ccoutant@google.com>
8613
8614         * options.h (General_options::no_keep_memory): Remove incorrect
8615         short option.
8616
8617 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8618
8619         * Makefile.am (am__skiplex, am__skipyacc): New.
8620         * Makefile.in: Regenerate.
8621
8622 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8623
8624         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8625         (INCLUDES): ... this.
8626         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8627         (AM_CPPFLAGS): Renamed from ...
8628         (INCLUDE): ... this.
8629         * Makefile.in, testsuite/Makefile.in: Regenerate.
8630
8631         * Makefile.in: Regenerate.
8632         * aclocal.m4: Likewise.
8633         * config.in: Likewise.
8634         * configure: Likewise.
8635         * testsuite/Makefile.in: Likewise.
8636
8637         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8638         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8639         * Makefile.in: Regenerate.
8640         * testsuite/Makefile.in: Regenerate.
8641
8642 2009-08-19  Cary Coutant  <ccoutant@google.com>
8643
8644         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8645         symbols in shared libraries overridden by hidden or internal symbols
8646         in the main program.
8647
8648 2009-08-19  Chris Demetriou  <cgd@google.com>
8649
8650         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8651         checking source file names in error messages.
8652
8653 2009-08-18  Doug Kwan  <dougkwan@google.com>
8654
8655         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8656         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8657         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8658         an elfcpp::Ehdr as parameter.
8659         * object.cc (Object::set_target): Remove the version that looks up
8660         a target and sets it.
8661         (Sized_relobj::setup): Take a Target object instead of
8662         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8663         (make_elf_sized_object): Find target and ask target to
8664         make an ELF object.
8665         * object.h: (Object::set_target): Remove the version that looks up
8666         a target and sets it.
8667         (Sized_relobj::setup): Take a Target object instead of
8668         an elfcpp:Ehdr as parameter.
8669         * target.cc: Include dynobj.h.
8670         (Target::do_make_elf_object_implementation): New.
8671         (Target::do_make_elf_object): New.
8672         * target.h (Target::make_elf_object): New template declaration.
8673         (Target::do_make_elf_object): New method declarations.
8674         (Target::do_make_elf_object_implementation): New template declaration.
8675
8676 2009-08-14  Ian Lance Taylor  <iant@google.com>
8677
8678         * gold.h (FUNCTION_NAME): Define.
8679         (gold_unreachable): Use FUNCTION_NAME.
8680
8681 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8682
8683         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8684         symbol in the --keep-unique list is not found.
8685
8686 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8687
8688         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8689         been maked as --keep-unique.
8690         (Icf::unfold_section): New function.
8691         * icf.h (Icf::unfold_section): New function.
8692         * options.h (General_options::keep_unique): New option.
8693         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8694         * testsuite/Makefile.in: Regenerate.
8695         * testsuite/icf_keep_unique_test.sh: New file.
8696         * testsuite/icf_keep_unique_test.cc: New file.
8697
8698 2009-08-12  Cary Coutant  <ccoutant@google.com>
8699
8700         PR 10471
8701         * resolve.cc (Symbol_table::resolve): Check for references from
8702         dynamic objects to hidden and internal symbols.
8703         * testsuite/Makefile.am (hidden_test.sh): New test.
8704         * testsuite/Makefile.in: Regenerate.
8705         * testsuite/hidden_test.sh: New script.
8706         * testsuite/hidden_test_1.c: New test source.
8707         * testsuite/hidden_test_main.c: New test source.
8708
8709 2009-08-11  Doug Kwan  <dougkwan@google.com>
8710
8711         * arm.cc: Update comments.
8712         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8713         segment to locate the .ARM.exidx section if present.
8714
8715 2009-08-09  Doug Kwan  <dougkwan@google.com>
8716
8717         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8718         patch.
8719
8720 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8721         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8722         compiler warnings.
8723
8724 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8725
8726         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8727         valid tls_segment only for non-debug-section relocations.
8728         * testsuite/Makefile.am: Add gc_tls_test.
8729         * testsuite/Makefile.in: Regenerate.
8730         * testsuite/gc_tls_test.cc: New file.
8731         * testsuite/gc_tls_test.sh: New file.
8732
8733 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8734
8735         * icf.cc: New file.
8736         * icf.h: New file.
8737         * Makefile.am (CCFILES): Add icf.cc.
8738         (HFILES): Add icf.h
8739         * Makefile.in: Regenerate.
8740         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8741         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8742         section, symbol and addend information for the relocs.
8743         * gold.cc (queue_middle_tasks): Call identical code folding.
8744         * gold.h: Add defines for multimap.
8745         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8746         to the call of finalize_local_symbols.
8747         * main.cc (main): Create object of class Icf.
8748         * object.cc (Sized_relobj::do_layout): Allow this function to be
8749         called twice during icf.
8750         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8751         to sections marked as identical by icf.
8752         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8753         when available.
8754         (Sized_relobj::do_section_entsize): New function.
8755         * object.h (Object::section_entsize): New function.
8756         (Object::do_section_entsize): New pure virtual function.
8757         (Relobj::finalize_local_symbols): Add new parameter.
8758         (Relobj::do_section_entsize): New function.
8759         * options.h (General_options::icf): New option.
8760         (General_options::icf_iterations): New option.
8761         (General_options::print_icf_sections): New option.
8762         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8763         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8764         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8765         icf.
8766         * symtab.cc (Symbol_table::is_section_folded): New function.
8767         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8768         to sections marked as identical by icf.
8769         * symtab.h (Symbol_table::set_icf): New function.
8770         (Symbol_table::icf): New function.
8771         (Symbol_table::is_section_folded): New function.
8772         (Symbol_table::icf_): New data member.
8773         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8774         * testsuite/Makefile.am: Add commands to build icf_test.
8775         * testsuite/Makefile.in: Regenerate.
8776         * testsuite/icf_test.sh: New file.
8777         * testsuite/icf_test.cc: New file.
8778
8779 2009-07-24  Chris Demetriou  <cgd@google.com>
8780
8781         * layout.cc (is_compressible_debug_section): Fix incorrect
8782         comment about compressed section names.
8783
8784 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8785
8786         PR 10419
8787         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8788
8789 2009-07-16  Ian Lance Taylor  <iant@google.com>
8790
8791         PR 10400
8792         * layout.h: #include <map>.
8793         (class Kept_section): Change from struct to class.  Add accessors
8794         and setters.  Add section size to Comdat_group mapping.  Change
8795         Comdat_group to std::map.  Add is_comdat_ field.  Add
8796         linkonce_size field in union.
8797         (class Layout): Update declaration of find_or_add_kept_section.
8798         Don't declare find_kept_object.
8799         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8800         parameter.  Add object, shndx, is_comdat, and is_group_name
8801         parameters.  Change all callers.  Adjust for new Kept_section.
8802         (Layout::find_kept_object): Remove.
8803         * object.cc (Sized_relobj::include_section_group): Update use of
8804         Kept_section.  Rename secnum to shndx.  Only record
8805         Kept_comdat_section if sections are the same size.
8806         (Sized_relobj::include_linkonce_section): Update use of
8807         Kept_section.  Only record Kept_comdat_section if sections are the
8808         same size.  Set size of linkonce section.
8809         (Sized_relobj::map_to_kept_section): Update call to
8810         get_kept_comdat_section.
8811         * object.h (class Sized_relobj): Rename fields in
8812         Kept_comdat_section to drop trailing underscores; change object
8813         field to Relobj*.  Change Kept_comdat_section_table to store
8814         struct rather than pointer.
8815         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8816         Add kept_object and kept_shndx parameters.  Change all callers.
8817         (Sized_relobj::get_kept_comdat_section): Change return type to
8818         bool.  Add kept_object and kept_shndx parameters.  Change all
8819         callers.
8820         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8821         Layout::find_or_add_kept_section.
8822
8823 2009-07-09  Ian Lance Taylor  <iant@google.com>
8824
8825         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8826         Reserve space in the hash table.
8827
8828 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8829
8830         * fileread.cc (File_read::get_mtime): New method.
8831         * fileread.h (Timespec): New structure.
8832         (File_read::get_mtime): New method.
8833         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8834         Renamed from timestamp_nsec.
8835         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8836         Elf_Xword.
8837         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8838         timestamp_nsec.
8839         (Incremental_inputs::report_archive): Save mtime; style fix.
8840         (Incremental_inputs::report_obejct): Save mtime; style fix.
8841         (Incremental_inputs::report_script): Save mtime; style fix.
8842         (Incremental_inputs::finalize_inputs): Style fix.
8843         (Incremental_inputs::finalize): Style fix.
8844         (Incremental_inputs::create_input_section_data): Store inputs
8845         mtime.
8846         * incremental.h (Incremental_inputs::report_script): Add mtime
8847         argument.
8848         (Incremental_inputs::Input_info::Input_info): Intialize only one
8849         union member.
8850         (Incremental_inputs::Input_info::archive): Move to nameless
8851         union.
8852         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8853         (Incremental_inputs::Input_info::script): Move to nameless union.
8854         (Incremental_inputs::mtime): New field.
8855         * script.cc (read_input_script): Pass file mtime to
8856         Incremental_input.
8857         * script.h (Script_info::inputs): Style fix.
8858
8859 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8860
8861         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8862         instead of 32.
8863
8864 2009-06-24  Ian Lance Taylor  <iant@google.com>
8865
8866         PR 10156
8867         * layout.cc (Layout::choose_output_section): If we find an
8868         existing section, update the flags.
8869         (Layout::create_notes): New function, broken out of
8870         Layout::finalize.
8871         (Layout::finalize): Don't create note sections.
8872         (Layout::create_note): Don't crash if linker script discards
8873         section.
8874         (Layout::create_gold_note): Likewise.
8875         (Layout::create_build_id): Likewise.  Don't set
8876         after_input_sections on the section.
8877         (Layout::create_executable_stack_info): Remove target parameter.
8878         Change caller.
8879         * layout.h (class Layout): Declare create_notes.  Update
8880         declaration of create_executable_stack_info.
8881         * gold.cc (queue_middle_tasks): Call create_notes.
8882         * output.cc (Output_section::update_flags_for_input_section): Move
8883         here from output.h.  If SHF_ALLOC flag is newly set, mark address
8884         invalid.
8885         * output.h (Output_data::mark_address_invalid): New function.
8886         (class Output_section): Only declare, not define,
8887         update_flags_for_input_section.  Remove set_flags.
8888
8889 2009-06-24  Ian Lance Taylor  <iant@google.com>
8890
8891         * script-sections.cc (Output_section_definition::
8892         set_section_addresses): Rename shadowing local load_address to
8893         laddr.
8894
8895 2009-06-24  Ian Lance Taylor  <iant@google.com>
8896
8897         PR 10244
8898         * reloc.cc (relocate_sections): Skip empty relocation sections.
8899
8900 2009-06-23  Ian Lance Taylor  <iant@google.com>
8901
8902         PR 10156
8903         * layout.cc (Layout::create_note): Use choose_output_section
8904         rather than make_output_section.
8905
8906 2009-06-23  Ian Lance Taylor  <iant@google.com>
8907
8908         PR 10237
8909         * options.cc (General_options::parse_V): Set printed_version_.
8910         (General_options::General_options): Initialize printed_version_.
8911         * options.h (class General_options): Add printed_version_ field.
8912         * gold.cc (queue_initial_tasks): If there are no input files,
8913         don't give a fatal error if we printed the version information.
8914         (queue_middle_tasks): If using -r with a shared object, give a
8915         fatal error rather than an ordinary error.
8916
8917 2009-06-23  Ian Lance Taylor  <iant@google.com>
8918
8919         PR 10219
8920         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8921         (Layout::make_output_section): Set have_stabstr_section_ if we see
8922         a .stab*str section.
8923         (Layout::finalize): Call link_stabs_sections.
8924         (Layout::link_stabs_sections): New file.
8925         * layout.h (class Layout): Add have_stabstr_section_ field.
8926         Declare link_stabs_sections.
8927
8928 2009-06-23  Doug Kwan  <dougkwan@google.com>
8929
8930         * Makefile.am (libgold_a_LIBADD): New.
8931         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8932         * Makefile.in: Regenerate.
8933         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8934         * configure: Regenerate.
8935         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8936         * fileread.cc: Include sys/state.h
8937         * gold.h: Declare memmem and strndup if found missing.
8938         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8939
8940 2009-06-23  Ian Lance Taylor  <iant@google.com>
8941
8942         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8943         * configure: Rebuild.
8944
8945 2009-06-23  Ian Lance Taylor  <iant@google.com>
8946
8947         PR 10147
8948         * object.cc (Object::section_contents): Don't try to get a view if
8949         the section has length zero.
8950         (Object::handle_gnu_warning_section): If the section is empty, use
8951         the name of the section as the warning.
8952
8953 2009-06-23  Ian Lance Taylor  <iant@google.com>
8954
8955         PR 10133
8956         * stringpool.h (class Stringpool_template): Add optimize_ field.
8957         (Stringpool_template::set_optimize): New function.
8958         * stringpool.cc (Stringpool_template::Stringpool_template):
8959         Initialize optimize_ field.
8960         (Stringpool_template::set_string_offsets): Test local optimize
8961         fild rather than parameter.
8962         * layout.cc (Layout::Layout): Call set_optimize on the section
8963         name stringpool.
8964
8965 2009-06-22  Ian Lance Taylor  <iant@google.com>
8966
8967         PR 10030
8968         * yyscript.y: Parse TARGET.
8969         * script.cc (script_set_target): New function.
8970         * script-c.h (script_set_target): Declare.
8971         * options.cc (General_options::string_to_object_format): Rename
8972         from string_to_object_format in anonymous namespace.  Change
8973         callers.
8974         * options.h (class General_options): Declare
8975         string_to_object_format.
8976
8977 2009-06-22  Ian Lance Taylor  <iant@google.com>
8978
8979         * script-sections.cc (Script_sections::create_segments): Don't put
8980         program headers in a PT_LOAD segment if -n or -N.
8981
8982 2009-06-22  Ian Lance Taylor  <iant@google.com>
8983
8984         PR 10141
8985         * options.h (class General_options): Add -z lazy and -z now.  Sort
8986         -z options into alphabetical order.
8987         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8988
8989 2009-06-21  Ian Lance Taylor  <iant@google.com>
8990
8991         * layout.cc (Layout::make_output_section): Call
8992         Target::new_output_section.
8993         (Layout::attach_allocated_section_to_segment): Put large section
8994         sections in a separate load segment with the large segment flag
8995         set.
8996         (Layout::segment_precedes): Sort large data segments after other
8997         load segments.
8998         (align_file_offset): New static function.
8999         (Layout::set_segment_offsets): Use align_file_offset.
9000         * output.h (class Output_section): Add is_small_section_ and
9001         is_large_section_ fields.
9002         (Output_section::is_small_section): New function.
9003         (Output_section::set_is_small_section):  New function.
9004         (Output_section::is_large_section): New function.
9005         (Output_section::set_is_large_section): New function.
9006         (Output_section::is_large_data_section): New function.
9007         (class Output_segment): Add is_large_data_segment_ field.
9008         (Output_segment::is_large_data_segment): New function.
9009         (Output_segment::set_is_large_data_segment): New function.
9010         * output.cc (Output_section::Output_section): Initialize new
9011         fields.
9012         (Output_segment::Output_segment): Likewise.
9013         (Output_segment::add_output_section): Add assertion that large
9014         data sections always go in large data segments.  Force small data
9015         sections to the end of the list of data sections.  Force small BSS
9016         sections to the start of the list of BSS sections.  For large BSS
9017         sections to the end of the list of BSS sections.
9018         * symtab.h (class Symbol): Declare is_common_shndx.
9019         (Symbol::is_defined): Check Symbol::is_common_shndx.
9020         (Symbol::is_common): Likewise.
9021         (class Symbol_table): Define enum Commons_section_type.  Update
9022         declarations.  Add small_commons_ and large_commons_ fields.
9023         * symtab.cc (Symbol::is_common_shndx): New function.
9024         (Symbol_table::Symbol_table): Initialize new fields.
9025         (Symbol_table::add_from_object): Put small and large common
9026         symbols in the right list.
9027         (Symbol_table::sized_finalized_symbol): Check
9028         Symbol::is_common_shndx.
9029         (Symbol_table::sized_write_globals): Likewise.
9030         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9031         common symbol lists.  Don't call do_allocate_commons_list if the
9032         list is empty.
9033         (Symbol_table::do_allocate_commons_list): Remove is_tls
9034         parameter.  Add comons_section_type parameter.  Change all
9035         callers.  Handle small and large common symbols.
9036         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9037         Symbol::is_common_shndx.
9038         * resolve.cc (symbol_to_bits): Likewise.
9039         * target.h (Target::small_common_shndx): New function.
9040         (Target::small_common_section_flags): New function.
9041         (Target::large_common_shndx): New function.
9042         (Target::large_common_section_flags): New function.
9043         (Target::new_output_section): New function.
9044         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9045         small_common_section_flags, and large_common_section_flags
9046         fields.
9047         (Target::do_new_output_section): New virtual function.
9048         * arm.cc (Target_arm::arm_info): Initialize new fields.
9049         * i386.cc (Target_i386::i386_info): Likewise.
9050         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9051         Likewise.
9052         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9053         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9054         (Target_x86_64::do_new_output_section): New function.
9055         * configure.ac: Define conditional MCMODEL_MEDIUM.
9056         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9057         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9058         (large_LDFLAGS): Define.
9059         * testsuite/large.c: New file.
9060         * testsuite/testfile.cc (Target_test::test_target_info):
9061         Initialize new fields.
9062         * configure, testsuite/Makefile.in: Rebuild.
9063
9064 2009-06-05  Doug Kwan  <dougkwan@google.com>
9065
9066         * Makefile.am (CCFILES): Add target.cc.
9067         * Makefile.in: Regenerate.
9068         * i386.cc (class Target_i386): Define new virtual method to
9069         override do_is_local_label_name in parent.
9070         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9071         local symbols if --discard-locals or -X is given.
9072         * options.h (class General_options): Declare new options
9073         '--discard-locals' and '-X' for discarding locals.
9074         * target.h (class Target): Define new methods is_local_label_name.
9075         Declare new virtual method do_is_local_label_name.
9076         * target.cc: New file.
9077         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9078         (check_SCRIPTS): Add discard_locals_test.sh.
9079         (check_DATA): Add discard_local_tests.syms.
9080         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9081         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9082         * testsuite/Makefile.in: Regenerate.
9083         * testsuite/discard_locals_test.c: New file.
9084         * testsuite/discard_locals_test.sh: Same.
9085
9086 2009-06-05  Doug Kwan  <dougkwan@google.com>
9087
9088         * object.cc (Sized_relobj::Sized_relobj): Initialize
9089         discarded_eh_frame_shndx_ to -1U.
9090         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9091         section.
9092         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9093         a discarded .eh_frame section.
9094         (Sized_relobj::do_finalize_local_symbols): Ditto.
9095         * object.h (class Sized_relobj): Declare new member
9096         discarded_eh_frame_shndx_.
9097         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9098         (local_labels_test.o, local_labels_test): New rules.
9099         * testsuite/Makefile.in: Regenerate.
9100
9101 2009-06-04  Doug Kwan  <dougkwan@google.com>
9102
9103         * layout.cc (Layout::section_name_mapping): Add mapping for
9104         special ARM sections.
9105
9106 2009-06-03  Doug Kwan  <dougkwan@google.com>
9107
9108         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9109         (utils::has_overflow): Same.
9110
9111 2009-06-03  Ian Lance Taylor  <iant@google.com>
9112
9113         * layout.cc (Layout::section_name_mapping): New array, replacing
9114         Layout::linkonce_mapping.
9115         (Layout::section_name_mapping_count): New variable, replacing
9116         Layout::linkonce_mapping_count.
9117         (Layout::linkonce_output_name): Remove.
9118         (Layout::output_section_name): Rewrite.
9119         * layout.h (class Layout): Rename Linkonce_mapping to
9120         Section_name_mapping, linkonce_mapping to section_name_mapping,
9121         linkonce_mapping_count to section_name_mapping_count.  Don't
9122         declare linkonce_output_name.
9123
9124 2009-06-03  Doug Kwan  <dougkwan@google.com>
9125
9126         * gold/arm.cc (namespace utils): New.
9127         (Target_arm::reloc_is_non_pic): Define new method.
9128         (class Arm_relocate_functions): New.
9129         (Target_arm::Relocate::relocate): Handle relocation types used by
9130         Android.
9131
9132 2009-06-03  Ian Lance Taylor  <iant@google.com>
9133
9134         * arm.cc (Target_arm::scan::global): Use || instead of |.
9135
9136 2009-06-02  Doug Kwan  <dougkwan@google.com>
9137
9138         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9139         issued_non_pic_error_.
9140         (class Target_arm::Scan): Declare new method check_non_pic.
9141         Define new method symbol_needs_plt_entry.
9142         Declare new data member issued_non_pic_error_.
9143         (class Target_arm::Relocate): Declare new method
9144         should_apply_static_reloc.
9145         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9146         (Target_arm::Scan::check_non_pic): Define new method.
9147         (Target_arm::Scan::local): Handle a small subset of reloc types used
9148         by Android.
9149         (Target_arm::Scan::local): Same.
9150         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9151
9152 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9153
9154         * incremental.cc (Incremental_inputs::report_command_line): Filter
9155         out --incremental-* options.
9156
9157 2009-05-29  Doug Kwan  <dougkwan@google.com>
9158
9159         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9160         template class.
9161         (class Target_arm): Update comment.
9162         (Target_arm::Target_arm): Initialize new data members GOT_,
9163         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9164         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9165         and Target_arm::rel_dyn_section.
9166         Declare new_enum Target_arm::Got_type.
9167         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9168         and DYNBSS_.
9169         Update commments for member do_dynsym_value.
9170         (Target_arm::got_size, Target_arm::plt_section,
9171         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9172         new methods inside class defintion.
9173         (Target_arm::got_section): Define new method.
9174         (Target_arm::rel_dyn_section): Same.
9175         (Output_data_plt_arm): New template class.
9176         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9177         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9178         (Output_data_plt_arm::add_entry): Same.
9179         (Output_data_plt_arm::first_plt_entry): Define new
9180         static data member for PLT instruction template.
9181         (Output_data_plt_arm::plt_entry): Same.
9182         (Output_data_plt_arm::do_write): Define new method.
9183         (Target_arm::make_plt_entry): Same.
9184         (Target_arm::do_finalize_sections): Same.
9185         (Target_arm::do_dynsym_value): Same.
9186
9187 2009-05-28  Doug Kwan  <dougkwan@google.com>
9188
9189         * Makefile.am (TARGETSOURCES): Add arm.cc.
9190         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9191         * Makefile.in: Regenerate.
9192         * arm.cc: New file.
9193         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9194
9195 2009-05-26  Doug Kwan  <dougkwan@google.com>
9196
9197         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9198         (General_options::check_excluded_libs): Strip off directories in
9199         archive name before matching like GNU ld does.
9200         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9201         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9202         (exclude_libs_test_LDFLAGS): Add linker option
9203         -Wl,--exclude-libs,libexclude_libs_test_3
9204         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9205         an explicit archive without using -l.
9206         (alt/libexclude_libs_test_3.a): New make rule.
9207         * testsuite/Makefile.in: Regenerate.
9208         * testsuite/exclude_libs_test.c : Declare lib3_default().
9209         (main): Call it.
9210         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9211         * exclude_libs_test_3.c: New file.
9212
9213 2009-05-26  Nick Clifton  <nickc@redhat.com>
9214
9215         * po/id.po: New Indonesian translation.
9216         * po/gold.pot: Updated template file.
9217
9218 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9219
9220         * testsuite/Makefile.am: Add -ffunction-sections to compile
9221         gc_comdat_test files.  Add -Wl,--gc-sections to build
9222         gc_comdat_test.
9223         * testsuite/Makefile.in: Regenerate.
9224         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9225
9226 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9227
9228         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9229         kept comdat section was garbage collected.
9230         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9231         * testsuite/Makefile.in: Regenerate.
9232         * testsuite/gc_comdat_test.sh: New file.
9233         * testsuite/gc_comdat_test_1.cc: New file.
9234         * testsuite/gc_comdat_test_2.cc: New file.
9235
9236 2009-05-19  Doug Kwan  <dougkwan@google.com>
9237
9238         * archive.cc (Archive::Archive): Move constructor from archive.h
9239         to here.  Initialize no_export_.
9240         (Archive::get_elf_object_for_member): Set no_export flag of object.
9241         * archive.h (Archive::Archive): Move constructor body to
9242         archive.cc.
9243         (Archive::no_export): New method.
9244         (Archive::no_export_): New field.
9245         * object.h (Object::Object): Initialize no_export_ to false.
9246         (Object::no_export, Object::set_no_export): New methods.
9247         (Object::no_export_): New field.
9248         * options.cc (General_options::parse_exclude_libs): New method.
9249         (General_options::check_excluded_libs) Same.
9250         * options.h (exclude_libs): New option.
9251         (General_options::check_excluded_libs): New method declaration.
9252         (General_options::excluded_libs_): New field.
9253         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9254         default or protected visibility if an object has no-export flag set.
9255         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9256         (check_SCRIPTS): Add exclude_libs_test.sh.
9257         (check_DATA): Add exclude_libs_test.syms.
9258         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9259         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9260         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9261         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9262         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9263         libexclude_libs_test_2.a): New rules.
9264         * testsuite/Makefile.in: Regenerate.
9265         * testsuite/exclude_libs_test.c: New file.
9266         * testsuite/exclude_libs_test.sh: Ditto.
9267         * testsuite/exclude_libs_test_1.c: Ditto.
9268         * testsuite/exclude_libs_test_2.c: Ditto.
9269
9270 2009-05-15  Ian Lance Taylor  <iant@google.com>
9271
9272         * configure.ac: Check for declarations for cases where libiberty.h
9273         checks HAVE_DECL_xxx.
9274         * configure, config.in: Rebuild.
9275
9276 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9277
9278         * gold.h (Incremental_argument_list): Remove (invalid) forward
9279         declaration.
9280         * incremental.cc (Incremental_inputs::report_achive): New method.
9281         (Incremental_inputs::report_object): New method.
9282         (Incremental_inputs::report_script): New method.
9283         (Incremental_inputs::finalize_inputs): New method.
9284         (Incremental_inputs::finalize): Call finalize_inputs().
9285         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9286         Create inputs entries.
9287         * incremental.h (Incremental_input_type): New enum.
9288         (Incremental_inputs::Incremental_input): Initialize new fields.
9289         (Incremental_inputs::report_inputs): New method.
9290         (Incremental_inputs::report_achive): New method.
9291         (Incremental_inputs::report_object): New method.
9292         (Incremental_inputs::report_script): New method.
9293         (Incremental_inputs::finalize_inputs): New method.
9294         (Incremental_inputs::Input_info): New struct.
9295         (Incremental_inputs::Input_info_map): New typedef.
9296         (Incremental_inputs::lock_): New field.
9297         (Incremental_inputs::Inputs_): New field.
9298         (Incremental_inputs::Inputs_map): New field.
9299         * main.cc (main): Call Incremental_input::report_inputs.
9300         * options.h (Input_argument_list): Typedef moved from
9301         Input_arguments.
9302         (Input_file_group::Files): Remove, use ::Input_argument_list.
9303         (Input_file_group::Input_argument_list): Remove, use
9304         ::Input_argument_list.
9305         * plugin.cc (Plugin_manager::add_input_file): Add error in
9306         incremental build.
9307         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9308         functions.
9309         * script.cc (read_input_script): Call
9310         Incremental_input::report_script.
9311         * script.h (Script_info): New class.
9312
9313 2009-04-27  Ian Lance Taylor  <iant@google.com>
9314
9315         * x86_64.cc (do_adjust_output_section): Set entsize to
9316         plt_entry_size.
9317
9318 2009-04-23  Elliott Hughes  <enh@google.com>
9319
9320         * output.cc (Output_file::close): After short writes, continue
9321         writing from the correct offset in the buffer being written.
9322
9323 2009-04-23  Chris Demetriou  <cgd@google.com>
9324
9325         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9326         * configure: Regenerate.
9327         * config.in: Regenerate.
9328         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9329         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9330
9331 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9332
9333         * incremental.cc (Incremental_inputs_header_data): Renamed from
9334         Incremental_input_header_data.
9335         (Incremental_inputs_header_data::data_size): New field.
9336         (Incremental_inputs_header_data::put_input_file_count): Renamed
9337         from input_file_count.
9338         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9339         from command_line_offset.
9340         (Incremental_inputs_header_data::put_reserved): Renamed from
9341         put_reserved.
9342         (Incremental_inputs_entry_data): Renamed from
9343         Incremental_input_entry_data.
9344         (Incremental_inputs_entry_data::data_size): New field.
9345         (Incremental_inputs::report_command_line): New method.
9346         (Incremental_inputs::finalize): New method.
9347         (Incremental_inputs::create_incremental_inputs_data): New method.
9348         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9349         * incremental.h: New file.
9350         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9351        (Layout::finalize): Create incremental inputs section in
9352         incremental builds.
9353        (Layout::create_incremental_info_sections): New method.
9354         * layout.h (Layout::incremental_inputs): New method.
9355        (Layout::create_incremental_info_sections): New method.
9356        (Layout::incremental_inputs_): New field.
9357         * main.cc (main): Notify Incremental_input of the command line.
9358
9359 2009-04-01  Ian Lance Taylor  <iant@google.com>
9360             Mikolaj Zalewski  <mikolajz@google.com>
9361
9362         * gold.h (reserve_unordered_map): Define, three versions, one for
9363         each version of Unordered_map.
9364         * layout.cc (Layout::Layout): Remove options parameter.  Add
9365         number_of_input_files parameter.  Don't initialize options_.
9366         Initialize number_of_input_files_ and resized_signatures_.  Move
9367         sections_are_attached_.
9368         (Layout::layout_group): Reserve space for group_signatures_.
9369         (Layout::find_or_add_kept_section): Change name parameter to be a
9370         reference.  Resize signatures_ map when it gets large enough.
9371         (Layout::layout_eh_frame): Use parameters->options() instead of
9372         this->options_.
9373         (Layout::make_output_section): Likewise.
9374         (Layout::attach_allocated_section_to_segment): Likewise.
9375         (Layout::finalize, Layout::create_executable_stack): Likewise.
9376         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9377         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9378         * layout.h (class Layout): Update declarations.  Remove options_
9379         field.  Add number_of_input_files_ and resized_signatures_
9380         fields.  Move sections_are_attached_ field.
9381         * main.cc (main): Pass number of input files to Layout
9382         constructor.  Don't pass options.
9383
9384 2009-03-30  Ian Lance Taylor  <iant@google.com>
9385
9386         * ffsll.c (ffsll): Correct implementation.
9387
9388 2009-03-27  Ian Lance Taylor  <iant@google.com>
9389
9390         * ffsll.c: New file.
9391         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9392         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9393         * ftruncate.c (ftruncate): Declare before definition.
9394         * mremap.c (mremap): Likewise.
9395         * pread.c (pread): Likewise.
9396         * configure, Makefile.in, config.in: Rebuild.
9397
9398         * mremap.c: New file.
9399         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9400         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9401         (mremap): Declare if HAVE_MREMAP is not defined.
9402         * configure, Makefile.in, config.in: Rebuild.
9403
9404 2009-03-27  Cary Coutant  <ccoutant@google.com>
9405
9406         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9407         position independent.
9408         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9409         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9410
9411 2009-03-24  Cary Coutant  <ccoutant@google.com>
9412
9413         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9414         an executable.
9415         (needs_dynamic_reloc): Likewise.
9416
9417 2009-03-24  Ian Lance Taylor  <iant@google.com>
9418
9419         * yyscript.y (file_cmd): Recognize EXTERN.
9420         (extern_name_list, extern_name_list_body): New nonterminals.
9421         * script.cc (script_add_extern): Define.
9422         * script-c.h (script_add_extern): Declare.
9423
9424 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9425
9426         * object.cc (is_elf_object): Define.
9427         * object.h (is_elf_object): Declare.
9428         * archive.cc (Archive::get_elf_object_for_member): Call
9429         is_elf_object.
9430         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9431
9432 2009-03-24  Elliott Hughes  <enh@google.com>
9433
9434         * output.cc (Output_file::map_anonymous): Define.
9435         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9436         try an anonymous one.  Report the size if the mmap fails.
9437         * output.h (class Output_file): Declare map_anonymous.
9438
9439 2009-03-24  Ian Lance Taylor  <iant@google.com>
9440
9441         * target-select.cc (instantiate_target): Don't acquire the lock if
9442         the instantiated_target_ field has already been set.
9443
9444 2009-03-23  Ian Lance Taylor  <iant@google.com>
9445
9446         * gold-threads.h (class Initialize_lock): Define.
9447         * gold-threads.cc (class Initialize_lock_once): Define.
9448         (initialize_lock_control): New static variable.
9449         (initialize_lock_pointer): New static variable.
9450         (initialize_lock_once): New static function.
9451         (Initialize_lock::Initialize_lock): Define.
9452         (Initialize_lock::initialize): Define.
9453         * target-select.h: Include "gold-threads.h".
9454         (class Target_selector): Add lock_ and initialize_lock_ fields.
9455         Don't define instantiate_target, just declare it.
9456         * target-select.cc (Target_selector::Target_selector): Initialize
9457         new fields.
9458         (Target_selector::instantiate_target): Define.
9459         * descriptors.h: Include "gold-threads.h".
9460         (class Descriptors): Add initialize_lock_ field.
9461         * descriptors.cc (Descriptors::Descriptors): Initialize new
9462         field.
9463         (Descriptors::open): Use initialize_lock_ field
9464         * errors.h (class Errors): Add initialize_lock_ field.
9465         * errors.cc (Errors::Errors): Initialize new field.
9466         (Errors::initialize_lock): Use initialize_lock_ field.
9467         * powerpc.cc (class Target_selector_powerpc): Remove
9468         instantiated_target_ field.  In do_recognize call
9469         instantiate_target rather than do_instantiate_target.  In
9470         do_instantiate_target just allocate a new target.
9471         * sparc.cc (class Target_selector_sparc): Likewise.
9472
9473         * freebsd.h: New file.
9474         * i386.cc: Include "freebsd.h".
9475         (Target_i386): Derive from Target_freebsd rather than
9476         Sized_target.
9477         (Target_selector_i386): Derive from Target_selector_freebsd rather
9478         than Target_selector.
9479         * x86_64.cc: Include "freebsd.h".
9480         (Target_x86_64): Derive from Target_freebsd rather than
9481         Sized_target.
9482         (Target_selector_x86_64): Derive from Target_selector_freebsd
9483         rather than Target_selector.
9484         * target.h (class Target): Add adjust_elf_header and
9485         do_adjust_elf_header.
9486         * output.cc (Output_file_header:: do_sized_write): Call target
9487         adjust_elf_header routine.
9488         * configure.tgt: Set targ_osabi.
9489         * configure.ac: Define GOLD_DEFAULT_OSABI.
9490         * parameters.cc (Parameters::default_target): Pass
9491         GOLD_DEFAULT_OSABI to select_target.
9492         * target-select.h (class Target_selector): Make instantiate_target
9493         protected rather than private.
9494         * Makefile.am (HFILES): Add freebsd.h.
9495         * configure, Makefile.in, config.in: Rebuild.
9496
9497         * merge.cc (do_add_input_section): Correct pend value.  Change
9498         message about last entry not being null terminated from error to
9499         warning.
9500
9501 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9502
9503         * incremental.cc: New file.
9504         * Makefile.am (CCFILES): Add incremental.cc.
9505         * Makefile.in: Rebuild.
9506
9507 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9508
9509         * layout.cc (Layout::output_section_name): Preserve names
9510         of '.note.' sections.
9511
9512 2009-03-19  Ian Lance Taylor  <iant@google.com>
9513
9514         * descriptors.cc (Descriptors::open): Check that the options are
9515         valid before using them.
9516
9517 2009-03-18  Ian Lance Taylor  <iant@google.com>
9518
9519         * script-sections.h: Include <list>.
9520         (class Script_sections): Change Sections_elements from std::vector
9521         to std::list.  Typedef public Elements_iterator.  Add
9522         orphan_section_placement_, data_segment_align_start_, and
9523         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9524         field.
9525         * script-sections.cc (class Orphan_section_placement): New class.
9526         (class Sections_element): Add virtual functions is_relro and
9527         orphan_section_init.  Remove virtual function place_orphan_here.
9528         (class Output_section_definition): Add is_relro and
9529         orphan_section_init.  Remove place_orphan_here.
9530         (class Orphan_output_section): Likewise.
9531         (Script_sections::Script_sections): Update for field changes.
9532         (Script_sections::data_segment_align): Set saw_data_segment_align_
9533         and data_segment_align_start_, not data_segment_align_index.
9534         (Script_sections::data_segment_relro_end): Check
9535         saw_data_segment_align_.  Use data_segment_align_start_ rather
9536         than data_segment_align_index_.
9537         (Script_sections::place_orphan): Rewrite to use
9538         Orphan_section_placement.
9539
9540 2009-03-17  Ian Lance Taylor  <iant@google.com>
9541
9542         * archive.cc (Archive::add_symbols): Check for a version attached
9543         to the symbol name in the archive map.
9544         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9545         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9546         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9547         (ver_test_11.a): New target.
9548         * testsuite/Makefile.in: Rebuild.
9549
9550         * configure.ac: Check for chsize and posix_fallocate.  Replace
9551         ftruncate.
9552         * ftruncate.c: New file, from gnulib.
9553         * output.cc (posix_fallocate): Define dummy version if not
9554         HAVE_POSIX_FALLOCATE.
9555         (Output_file::map): Call posix_fallocate rather than lseek and
9556         write.
9557         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9558         * configure, Makefile.in, config.in: Rebuild.
9559
9560 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9561
9562         * layout.h (Layout::create_note): Add section_name parameter.
9563         * layout.cc (Layout::create_note): Likewise.
9564         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9565
9566 2009-03-17  Ian Lance Taylor  <iant@google.com>
9567
9568         * descriptors.cc: Include "options.h".
9569         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9570         (Descriptors::open): Always use O_CLOEXEC when opening a new
9571         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9572         then set FD_CLOEXEC.
9573
9574         * sparc.cc (class Target_sparc): Add has_got_section.
9575         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9576         make sure we have a GOT section.
9577
9578         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9579         (Target_sparc::Scan::local): Likewise.
9580         (Target_sparc::Scan::global): Likewise.
9581         (Target_sparc::Relocate::relocate): Likewise.
9582         (Target_sparc::Relocate::relocate_tls): Likewise.
9583
9584         * symtab.cc (Symbol_table::define_default_version): New function,
9585         broken out of add_from_object.
9586         (Symbol_table::add_from_object): Call define_default_version.
9587         (Symbol_table::define_special_symbol): Add resolve_oldsym
9588         parameter.  Change all callers.  If the version for a symbol comes
9589         from a version script, resolve it with the symbol with the same
9590         name with no version.  Also add the symbol without a version if
9591         appropriate.
9592         (do_define_in_output_data): If resolving with oldsym, don't delete
9593         sym.
9594         (do_define_in_output_segment): Likewise.
9595         (do_define_as_constant): Likewise.
9596         * symtab.h (class Symbol_table): Update declarations.
9597
9598 2009-03-13  Ian Lance Taylor  <iant@google.com>
9599
9600         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9601         (Read_symbols::requeue): New function.
9602         (Read_symbols::do_read_symbols): If make_elf_object fails because
9603         the target type is not configured, and the file was searched for,
9604         issue a warning and retry with the next directory.
9605         (Add_symbols::run): If the file has an incompatible format, and
9606         it was searched for, requeue the Read_symbols task.  On error,
9607         release the object.
9608         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9609         dirindex parameter to constructor.  Change all callers.  Declare
9610         incompatible_warning and requeue.
9611         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9612         input_argument_ and input_group_ fields.  Add them to
9613         constructor.  Change all callers.
9614         (class Read_script): Add dirindex_ field.  Add it to constructor.
9615         Change all callers.
9616         * archive.cc (Archive::setup): Remove input_objects parameter.
9617         Change all callers.
9618         (Archive::get_file_and_offset): Likewise.
9619         (Archive::read_all_symbols): Likewise.
9620         (Archive::read_symbols): Likewise.
9621         (Archive::get_elf_object_for_member): Remove input_objects
9622         parameter.  Add punconfigured parameter.  Change all callers.
9623         (Archive::add_symbols): Change return type to bool.  Check return
9624         value of include_member.
9625         (Archive::include_all_members): Likewise.
9626         (Archive::include_member): Change return type to bool.  Return
9627         false if first included object has incompatible target.  Set
9628         included_member_ field.
9629         (Add_archive_symbols::run): If add_symbols returns false, requeue
9630         Read_symbols task.
9631         * archive.h (class Archive): Add included_member_ field.
9632         Initialize it in constructor.  Add input_file and searched_for
9633         methods.  Update declarations.
9634         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9635         input_argument_ fields.  Add them to constructor.  Change all
9636         callers.
9637         * script.cc: Include "target-select.h".
9638         (class Parser_closure): Add skip_on_incompatible_target_ and
9639         found_incompatible_target_ fields.  Add
9640         skip_on_incompatible_target parameter to constructor.  Change all
9641         callers.  Add methods skip_on_incompatible_target,
9642         clear_skip_on_incompatible_target, found_incompatible_target, and
9643         set_found_incompatible_target.
9644         (read_input_script): Add dirindex parameter.  Change all callers.
9645         If parser finds an incompatible target, requeue Read_symbols
9646         task.
9647         (script_set_symbol): Clear skip_on_incompatible_target in
9648         closure.
9649         (script_add_assertion, script_parse_option): Likewise.
9650         (script_start_sections, script_add_phdr): Likewise.
9651         (script_check_output_format): New function.
9652         * script.h (read_input_script): Update declaration.
9653         * script-c.h (script_check_output_format): Declare.
9654         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9655         (ignore_cmd): Remove OUTPUT_FORMAT.
9656         * fileread.cc (Input_file::Input_file): Add explicit this.
9657         (Input_file::will_search_for): New function.
9658         (Input_file::open): Add pindex parameter.  Change all callers.
9659         * fileread.h (class Input_file): Add input_file_argument method.
9660         Declare will_search_for.  Update declarations.
9661         * object.cc (make_elf_object): Add punconfigured parameter.
9662         Change all callers.
9663         * object.h (class Object): Make input_file public.  Add
9664         searched_for method.
9665         (make_elf_object): Update declaration.
9666         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9667         restart search.
9668         * dirsearch.h (class Dirsearch): Update declaration.
9669         * options.h (class General_options): Add --warn-search-mismatch.
9670         * parameters.cc (Parameters::is_compatible_target): New function.
9671         * parameters.h (class Parameters): Declare is_compatible_target.
9672         * workqueue.cc (Workqueue::add_blocker): New function.
9673         * workqueue.h (class Workqueue): Declare add_blocker.
9674
9675         * fileread.cc (Input_file::open): Remove options parameter.
9676         Change all callers.
9677         (Input_file::open_binary): Likewise.
9678         * script.cc (read_input_script): Likewise.
9679         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9680         options parameter from constructor.  Change all callers.
9681         (class Read_script): Likewise.
9682         * fileread.h (class Input_file): Update declarations.
9683         * script.h (read_input_script): Update declaration.
9684
9685 2009-03-10  Nick Clifton  <nickc@redhat.com>
9686
9687         * po/es.po: New Spanish translation.
9688
9689 2009-03-06  Cary Coutant  <ccoutant@google.com>
9690
9691         * options.cc (parse_short_option): Keep dash_z from registering itself.
9692
9693 2009-03-03  Ian Lance Taylor  <iant@google.com>
9694
9695         PR 9918
9696         * target-reloc.h (relocate_section): Pass output_section to
9697         relocate.
9698         * i386.cc (Target_i386::should_apply_static_reloc): Add
9699         output_section parameter.  Change all callers.
9700         (Target_i386::Relocate::relocate): Add output_section parameter.
9701         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9702         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9703         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9704         * testsuite/two_file_shared.sh: New script.
9705         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9706         (check_DATA): Add two_file_shared.dbg.
9707         (two_file_shared.dbg): New target.
9708         * testsuite/Makefile.in: Rebuild.
9709
9710 2009-03-01  Ian Lance Taylor  <iant@google.com>
9711
9712         * configure.ac: Check for byteswap.h.
9713         * configure: Rebuild.
9714         * config.in: Rebuild.
9715
9716 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9717
9718         * layout.cc (Layout::find_or_add_kept_section): New function.
9719         (Layout::add_comdat): Removed.
9720         * layout.h (struct Kept_section): Move out of class Layout.
9721         Remove trailing underscores from field names.  Add group_sections
9722         field.  Rename group_ field to is_group.  Change all uses.
9723         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9724         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9725         comdat_groups_ field.
9726         (Sized_relobj::include_section_group): Use
9727         find_or_add_kept_section and Kept_section::group_sections.
9728         (Sized_relobj::include_linkonce_section): Likewise.
9729         * object.cc (class Sized_relobj): Don't define Comdat_group or
9730         Comdat_group_table.  Remove find_comdat_group and
9731         add_comdat_group.  Remove comdat_groups_ field.
9732         * plugin.cc (include_comdat_group): Use
9733         Layout::find_or_add_kept_section.
9734
9735 2009-02-28  Ian Lance Taylor  <iant@google.com>
9736
9737         * README: --gc-sections and map files are now supported.  Document
9738         some build requirements.
9739
9740         PR 6992
9741         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9742         relocatable link set the value of the section symbol to zero.
9743         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9744         relocatable link don't include the section address in the local
9745         symbol value.
9746
9747 2009-02-27  Ian Lance Taylor  <iant@google.com>
9748
9749         PR 6811
9750         * options.h (class Search_directory): Add is_system_directory.
9751         (class General_options): Declare is_in_system_directory.
9752         * options.cc (get_relative_sysroot): Make static.
9753         (get_default_sysroot): Make static.
9754         (General_optoins::is_in_system_directory): New function.
9755         * fileread.cc (Input_file::is_in_system_directory): New function.
9756         * fileread.h (class Input_file): Declare is_in_system_directory.
9757         * object.h (class Object): Add is_in_system_directory.
9758         (class Input_objects): Remove system_library_directory_ field.
9759         * object.cc (Input_objects::add_object): Don't set
9760         system_library_directory_.
9761         (input_objects::found_in_system_library_directory): Remove.
9762         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9763         parameter.  Change all callers.
9764         (Symbol_table::sized_write_globals): Likewise.
9765         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9766         Call Object::is_in_system_directory.
9767         * symtab.h (class Symbol_table): Update declarations.
9768
9769         PR 5990
9770         * descriptors.h (Open_descriptor): Add is_on_stack field.
9771         * descriptors.cc (Descriptors::open): If the descriptor is on the
9772         top of the stack, remove it.  Initialize is_on_stack field.
9773         (Descriptors::release): Only add pod to stack if it is not on the
9774         stack already.
9775         (Descriptors::close_some_descriptor): Clear stack_next and
9776         is_on_stack fields.
9777
9778         PR 7091
9779         * output.cc (Output_section::find_starting_output_address): Rename
9780         from starting_output_address; add PADDR parameter; change return
9781         type.
9782         * output.h (class Output_section): Declare
9783         find_starting_output_address instead of starting_output_address.
9784         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9785         section symbol for which we can't find a merge section.
9786
9787         PR 9836
9788         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9789         hidden or internal, force the symbol to be local.
9790         * resolve.cc (Symbol::override_visibility): Define.
9791         (Symbol::override_base): Use override_visibility.
9792         (Symbol_table::resolve): Likewise.
9793         (Symbol::override_base_with_special): Likewise.
9794         (Symbol_table::override_with_special): If the visibility is hidden
9795         or internal, force the symbol to be local.
9796         * symtab.h (class Symbol): Add set_visibility and
9797         override_visibility.
9798         * testsuite/ver_test_1.sh: New file.
9799         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9800         (check_DATA): Add ver_test_1.syms.
9801         (ver_test_1.syms): New target.
9802         * testsuite/Makefile.in: Rebuild.
9803
9804 2009-02-25  Cary Coutant  <ccoutant@google.com>
9805
9806         * layout.cc (Layout::choose_output_section): Don't rename sections
9807         when using a linker script that has a SECTIONS clause.
9808         * Makefile.in: Regenerate.
9809
9810         * testsuite/Makefile.am (script_test_5.sh): New test case.
9811         * testsuite/Makefile.in: Regenerate.
9812         * testsuite/script_test_5.cc: New file.
9813         * testsuite/script_test_5.sh: New file.
9814         * testsuite/script_test_5.t: New file.
9815
9816 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9817
9818         * archive.cc (Archive::include_member): Update calls to add_symbols.
9819         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9820         the Layout argument.
9821         * dynobj.h (do_add_symbols): Add the Layout argument.
9822         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9823         Layout argument.
9824         * object.h (Object::add_symbols): Add the Layout argument.
9825         (Object::do_add_symbols): Add the Layout argument.
9826         (Sized_relobj::do_add_symbols): Add the Layout argument.
9827         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9828         Unify the two versions.
9829         (Add_plugin_symbols): Remove.
9830         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9831         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9832         (Add_plugin_symbols): Remove.
9833         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9834         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9835         (Add_symbols::run): Make it work with Pulginobj.
9836
9837 2009-02-06  Ian Lance Taylor  <iant@google.com>
9838
9839         * object.cc (Sized_relobj::do_layout): Make info message start
9840         with lower case letter.
9841
9842 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9843
9844         * binary.cc: Fix file comment.
9845
9846         * options.h (enum Incremental_disposition): Define.
9847         (class General_options): Add new options: --incremental,
9848         --incremental_changed, --incremental_unchanged,
9849         --incremental_unknown.  Add incremental_disposition_ and
9850         implicit_incremental_ fields.
9851         (General_options::incremental_disposition): New function.
9852         (class Position_dependent_options): Add incremental_disposition
9853         option.
9854         (Position_dependent_options::copy_from_options): Set incremental
9855         dispositions.
9856         * options.cc (General_options::parse_incremental_changed): New
9857         function.
9858         (General_options::parse_incremental_unchanged): New function.
9859         (General_options::parse_incremental_unknown): New function.
9860         (General_options::General_options): Initialize new fields
9861         incremental_disposition_ and implicit_incremental_.
9862         (General_options::finalize): Check for uasge of --incremental-*
9863         without --incremental.
9864
9865 2009-02-06  Chris Demetriou  <cgd@google.com>
9866
9867         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9868         pointer and to report location as the file name associated with
9869         the symbol.
9870         (gold_undefined_symbol_at_location): New function to replace the
9871         old gold_undefined_symbol functionality.
9872         * target-reloc.h (relocate_section): Update to use
9873         gold_undefined_symbol_at_location.
9874         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9875         Call gold_undefined_symbol function rather than gold_error.
9876         * errors.h (Errors::undefined_symbol): Take location as a
9877         string, rather than calculating it from a relocation.
9878         * errors.cc (Errors::fatal): Print "fatal error:" before the
9879         formatted message.
9880         (Errors::error, Errors::error_at_location): Print "error: "
9881         before the formatted message.
9882         (Errors::undefined_symbol): Take location as a string, rather
9883         than calculating it from a relocation.
9884         (gold_undefined_symbol_at_location): New function akin to
9885         old gold_undefined_symbol, calculates location from relocation.
9886         (gold_undefined_symbol): Change to take only a Symbol pointer
9887         and to report location as the file name associated with the symbol.
9888         * testsuite/debug_msg.sh: Update for changed error messages.
9889         * testsuite/undef_symbol.sh: Likewise.
9890
9891 2009-02-04  Duncan Sands  <baldrick@free.fr>
9892
9893         PR 9812
9894         * reduced_debug_output.h
9895         (Output_reduced_debug_abbrev_section::failed): Use format for
9896         gold_warning.
9897         (Output_reduced_debug_info_section::faild): Likewise.
9898
9899 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
9900
9901         * script.cc (Lazy_demangler): New class.
9902         (Version_script_info::get_symbol_version_helper): Demangle a
9903         symbol only once.
9904
9905 2009-01-29  Cary Coutant  <ccoutant@google.com>
9906
9907         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9908         to __tls_get_addr.
9909         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9910
9911 2009-01-28  Ian Lance Taylor  <iant@google.com>
9912
9913         * version.cc (version_string): Bump to 1.9.
9914
9915         * gold.h: Include <cstring> and <stdint.h>.
9916         * version.cc: Include <cstdio>.
9917         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9918         warning.
9919         * reduced_debug_output.cc (insert_into_vector): Rename from
9920         Insert_into_vector; change all callers.  Use Swap_unaligned to
9921         avoid aliasing issue; remove union since it is unnecessary.
9922
9923 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
9924
9925         * Makefile.am (CCFILES): Add gc.cc.
9926         (HFILES): Add gc.h.
9927         * Makefile.in: Regenerate.
9928         * gold.cc (Gc_runner): New class.
9929         (queue_initial_tasks): Call garbage collection related tasks
9930         when corresponding options are invoked.
9931         (queue_middle_gc_tasks): New function.
9932         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9933         processed early before laying out sections during garbage collection.
9934         * gold.h (queue_middle_gc_tasks): New function.
9935         (is_prefix_of): Move from "layout.cc".
9936         * i386.cc (Target_i386::gc_process_relocs): New function.
9937         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9938         * main.cc (main): Create object of class "Garbage_collection".
9939         * object.cc (Relobj::copy_symbols_data): New function.
9940         (Relobj::is_section_name_included): New function.
9941         (Sized_relobj::do_layout): Allow this function to be called twice
9942         during garbage collection and defer layout of section during the
9943         first call.
9944         * object.h (Relobj::get_symbols_data): New function.
9945         (Relobj::is_section_name_included): New function.
9946         (Relobj::copy_symbols_data): New function.
9947         (Relobj::set_symbols_data): New function.
9948         (Relobj::get_relocs_data): New function.
9949         (Relobj::set_relocs_data): New function.
9950         (Relobj::is_output_section_offset_invalid): New pure virtual function.
9951         (Relobj::gc_process_relocs): New function.
9952         (Relobj::do_gc_process_relocs): New pure virtual function.
9953         (Relobj::sd_): New data member.
9954         (Sized_relobj::is_output_section_offset_invalid): New function.
9955         (Sized_relobj::do_gc_process_relocs): New function.
9956         * options.h (General_options::gc_sections): Modify to not be a no-op.
9957         (General_options::print_gc_sections): New option.
9958         * plugin.cc (Plugin_finish::run): Remove function call to
9959         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
9960         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9961         * reloc.cc (Read_relocs::run): Add task to process relocs and
9962         determine unreferenced sections when doing garbage collection.
9963         (Gc_process_relocs): New class.
9964         (Sized_relobj::do_gc_process_relocs): New function.
9965         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9966         sections that are garbage collected.
9967         * reloc.h (Gc_process_relocs): New class.
9968         * sparc.cc (Target_sparc::gc_process_relocs): New function.
9969         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9970         symbols whose corresponding sections are garbage collected.
9971         (Symbol_table::Symbol_table): Add new parameter for the garbage
9972         collection object.
9973         (Symbol_table::gc_mark_undef_symbols): New function.
9974         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9975         (Symbol_table::gc_mark_dyn_syms): New function.
9976         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9977         as garbage.
9978         (Symbol_table::add_from_object): Likewise.
9979         (Symbol_table::add_from_relobj): When building shared objects, do not
9980         treat externally visible symbols as garbage.
9981         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9982         table information for static and relocatable links.
9983         * symtab.h (Symbol_table::set_gc): New function.
9984         (Symbol_table::gc): New function.
9985         (Symbol_table::gc_mark_undef_symbols): New function.
9986         (Symbol_table::gc_mark_symbol_for_shlib): New function.
9987         (Symbol_table::gc_mark_dyn_syms): New function.
9988         (Symbol_table::gc_): New data member.
9989         * target.h (Sized_target::gc_process_relocs): New pure virtual
9990         function.
9991         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9992         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9993
9994 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
9995
9996         * options.h (General_options::gc_sections): Define as a no-op for now.
9997         (General_options::no_keep_memory): Ditto.
9998         (General_options::Bshareable): Define.
9999         * options.cc (General_options::finalize): Honor -Bshareable.
10000
10001 2009-01-20  Andreas Schwab  <schwab@suse.de>
10002
10003         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10004         read the value in the contents, since we don't use it.  Use the
10005         template endianness when writing.
10006         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10007
10008 2009-01-19  Andreas Schwab  <schwab@suse.de>
10009
10010         * configure.tgt (powerpc64-*): Fix targ_obj.
10011
10012 2009-01-15  Ian Lance Taylor  <iant@google.com>
10013
10014         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10015         local symbols when stripping all symbols.
10016
10017 2009-01-14  Cary Coutant  <ccoutant@google.com>
10018
10019         * output.cc (Output_reloc): Add explicit instantiations.
10020
10021 2009-01-14  Cary Coutant  <ccoutant@google.com>
10022
10023         * archive.cc (Archive::get_elf_object_for_member): Remove call
10024         to File_read::claim_for_plugin.
10025         * descriptors.cc (Descriptors::open): Remove reference to
10026         is_claimed.
10027         (Descriptors::claim_for_plugin): Remove.
10028         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10029         (Descriptors::is_claimed): Remove.
10030         (claim_descriptor_for_plugin): Remove.
10031         * fileread.cc (File_read::claim_for_plugin): Remove.
10032         * fileread.h (File_read::claim_for_plugin): Remove.
10033         (File_read::descriptor): Reopen descriptor if necessary.
10034         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10035         (Plugin_manager::all_symbols_read): Add task parameter. Change
10036         all callers.
10037         (Plugin_manager::get_input_file): New function.
10038         (Plugin_manager::release_input_file): New function.
10039         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10040         corresponding data member.
10041         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10042         and pass to base constructor. Change all callers.
10043         (get_input_file, release_input_file): New functions.
10044         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10045         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10046         (Plugin_manager::all_symbols_read): Add task parameter.
10047         (Plugin_manager::get_input_file): New function.
10048         (Plugin_manager::release_input_file): New function.
10049         (Plugin_manager::task_): New data member.
10050         (Pluginobj::Pluginobj): Add filesize parameter.
10051         (Pluginobj::filename): New function.
10052         (Pluginobj::descriptor): New function.
10053         (Pluginobj::filesize): New function.
10054         (Pluginobj::filesize_): New data member.
10055         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10056         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10057         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10058
10059         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10060         with archive libraries.
10061         * testsuite/Makefile.in: Regenerate.
10062         * testsuite/plugin_test.c (struct sym_info): New type.
10063         (get_input_file, release_input_file): New static variables.
10064         (onload): Capture new transfer vector entries.
10065         (claim_file_hook): Stop reading at end of file according to filesize.
10066         Factor out parsing of readelf output into separate function.
10067         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10068         APIs and get the source file name from the symbol table.  Convert
10069         source file name to corresponding object file name.  Print info
10070         message when adding new input files.
10071         (parse_readelf_line): New function.
10072         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10073         * testsuite/plugin_test_2.sh: Likewise.
10074         * testsuite/plugin_test_3.sh: Likewise.
10075         * testsuite/plugin_test_4.sh: New test case.
10076
10077 2009-01-07  Ian Lance Taylor  <iant@google.com>
10078
10079         * version.cc (version_string): Bump to 1.8.
10080
10081 2008-12-23  Cary Coutant  <ccoutant@google.com>
10082
10083         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10084         * plugin.cc (Plugin_manager::finish): Rename as
10085         layout_deferred_objects.  Move cleanup to separate function.
10086         (Plugin_manager::cleanup): New function.
10087         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10088         separately.
10089         * plugin.h (Plugin_manager::finish): Rename as
10090         layout_deferred_objects.
10091         (Plugin_manager::cleanup): New function.
10092         (Plugin_manager::cleanup_done): New field.
10093
10094 2008-12-23  Cary Coutant  <ccoutant@google.com>
10095
10096         * plugin.cc (is_visible_from_outside): New function.
10097         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10098         so we don't return "IR only" status for exported symbols or -r links.
10099
10100         * testsuite/Makefile.am (plugin_test_3): New test case.
10101         * testsuite/Makefile.in: Regenerate.
10102         * testsuite/plugin_test_3.sh: New file.
10103
10104 2008-12-22  Cary Coutant  <ccoutant@google.com>
10105
10106         * object.cc (Sized_relobj::layout_section): New function.
10107         (Sized_relobj::do_layout): Defer layout of input sections until after
10108         plugin has provided replacement files.
10109         (Sized_relobj::do_layout_deferred_sections): New function.
10110         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10111         (Relobj::layout_deferred_sections): New function.
10112         (Relobj::do_layout_deferred_sections): New function.
10113         (Sized_relobj::do_layout_deferred_sections): New function.
10114         (Sized_relobj::layout_section): New function.
10115         (Sized_relobj::Deferred_layout): New structure.
10116         (Sized_relobj::deferred_layout_): New field.
10117         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10118         Change all callers.  Layout deferred sections.
10119         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10120         references.
10121         (Plugin_hook::run): Move code from do_plugin_hook inline.
10122         (Plugin_hook::do_plugin_hook): Remove.
10123         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10124         (Plugin_manager::finish): Renamed, was cleanup.
10125         (Plugin_manager::should_defer_layout): New function.
10126         (Plugin_manager::add_deferred_layout_object): New function.
10127         (Plugin_manager::Deferred_layout_list): New type.
10128         (Plugin_manager::deferred_layout_objects_): New field.
10129         (Plugin_hook::do_plugin_hook): Remove.
10130
10131 2008-12-17  Ian Lance Taylor  <iant@google.com>
10132
10133         * options.h (class General_options): Add --no case for
10134         --export-dynamic.
10135
10136 2008-12-16  Cary Coutant  <ccoutant@google.com>
10137
10138         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10139         vector.
10140         (Plugin_manager::claim_file): Create plugin object even if
10141         plugin did not call the add_symbols callback.
10142         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10143         asking for more symbols than were added.
10144         * testsuite/Makefile.am (plugin_test_1): Add test case with
10145         no global symbols.
10146         (empty.syms): New target.
10147         * testsuite/Makefile.in: Regenerate.
10148         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10149         message. Don't call add_symbols if no globals.
10150         (all_symbols_read_hook): Don't provide replacement for empty
10151         claimed file.
10152
10153 2008-12-12  Ian Lance Taylor  <iant@google.com>
10154
10155         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10156         r_type == 0 for a local symbol with r_sym == 0.
10157         (scan_relocatable_relocs): Pass r_sym to
10158         local_non_section_strategy.
10159         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10160         r_sym parameter.
10161
10162         * configure.ac: Update test for TLS descriptors: they are
10163         supported as of glibc 2.9.
10164         * configure: Rebuild.
10165
10166 2008-12-11  Ian Lance Taylor  <iant@google.com>
10167
10168         PR 7091
10169         * target-reloc.h (Default_scan_relocatable_relocs): For each
10170         function, map r_type == 0 to RELOC_DISCARD.
10171
10172 2008-12-10  Cary Coutant  <ccoutant@google.com>
10173
10174         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10175         object to override a kept COMDAT group from a plugin object.
10176
10177 2008-12-09  Ian Lance Taylor  <iant@google.com>
10178
10179         PR 7088
10180         * yyscript.y (file_cmd): Handle INPUT.
10181
10182         * testsuite/initpri1.c: Change all declarations to be full
10183         prototypes by adding void, to avoid compiler warnings.
10184
10185 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10186
10187         * options.cc (General_options::parse_plugin_opt): New.
10188         (General_options::add_plugin): The argument now is just the filename.
10189         (General_options::add_plugin_option): New.
10190         * options.h (plugin_opt): New.
10191         (add_plugin): Change argument name.
10192         (add_plugin_option): New.
10193         * plugin.cc (Plugin::load): Don't parse the plugin option.
10194         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10195         (Plugin::add_option): New.
10196         (Plugin::args_): Change type.
10197         (Plugin::filename_): New.
10198         (Plugin_manager::add_plugin_option): New.
10199         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10200         * testsuite/Makefile.in: Regenerate.
10201
10202 2008-12-05  Cary Coutant  <ccoutant@google.com>
10203
10204         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10205         Handle --strip-lto-sections option.
10206         * options.h (strip_lto_sections): New option.
10207
10208 2008-12-01  Cary Coutant  <ccoutant@google.com>
10209
10210         * plugin.cc (ld_plugin_message): Change format parameter to const.
10211         Fix mismatch between new[] and delete.
10212
10213 2008-11-14  Cary Coutant  <ccoutant@google.com>
10214
10215         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10216         instead of -1U.
10217
10218 2008-11-05  Craig Silverstein  <csilvers@google.com>
10219
10220         * options.cc (General_options::parse_dynamic_list): New function.
10221         * options.h (General_options): New flags dynamic_list,
10222         dynamic_list_data, dynamic_list_cpp_new, and
10223         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10224         (General_options::in_dynamic_list): New function.
10225         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10226         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10227         (Lex::can_continue_name): Likewise.
10228         (yylex): Likewise.
10229         (read_script_file): New parameter script_options.
10230         (read_dynamic_list): New function.
10231         (Script_options::define_dynamic_list): New function.
10232         (dynamic_list_keyword_parsecodes): New variable.
10233         (dynamic_list_keywords): New variable.
10234         * script.h (Script_options::define_dynamic_list): New function
10235         prototype.
10236         (read_dynamic_list): New function prototype.
10237         * symtab.cc (strprefix): New macro.
10238         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10239         dynamic_list_data, dynamic_list_cpp_new, and
10240         dynamic_list_cpp_typeinfo.
10241         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10242         (dynamic_list_expr): New rule.
10243         (dynamic_list_nodes): Likewise.
10244         (dynamic_list_node): Likewise.
10245         * testsuite/Makefile.am (dynamic_list): New test.
10246         * testsuite/Makefile.in: Regenerated.
10247         * testsuite/dynamic_list.t: New file.
10248         * testsuite/dynamic_list.sh: New file.
10249
10250 2008-11-05  Craig Silverstein  <csilvers@google.com>
10251
10252         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10253         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10254         (t11_last): Likewise.
10255         * testsuite/ver_test_6.c (main): Likewise.
10256
10257 2008-10-07  Cary Coutant  <ccoutant@google.com>
10258
10259         * options.c (General_options::finalize): Add check for -static and
10260         -shared.
10261         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10262         is not empty.
10263
10264 2008-10-02  Cary Coutant  <ccoutant@google.com>
10265
10266         * plugin.cc (make_sized_plugin_object): Fix conditional
10267         compilation to work when not all targets are enabled.
10268
10269 2008-09-29  Cary Coutant  <ccoutant@google.com>
10270
10271         * archive.cc (Archive::get_file_and_offset): Use filename instead
10272         of name to get library path.
10273         (Archive::include_member): Unlock external member of a thin archive.
10274
10275         * testsuite/Makefile.am (TEST_AR): New variable.
10276         (thin_archive_test_1): New test.
10277         (thin_archive_test_2): New test.
10278         * testsuite/Makefile.in: Regenerate.
10279         * testsuite/thin_archive_main.cc: New file.
10280         * testsuite/thin_archive_test_1.cc: New file.
10281         * testsuite/thin_archive_test_2.cc: New file.
10282         * testsuite/thin_archive_test_3.cc: New file.
10283         * testsuite/thin_archive_test_4.cc: New file.
10284
10285 2008-09-29  Cary Coutant  <ccoutant@google.com>
10286
10287         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10288         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10289         instead of -1U.
10290         (Sized_relobj::do_finalize_local_symbols): Likewise.
10291         (Sized_relobj::map_to_kept_section): Likewise.
10292         * object.h (Sized_relobj::invalid_address): New constant.
10293         (Sized_relobj::do_output_section_offset): Check for invalid_address
10294         and return -1ULL.
10295         * output.cc (Output_reloc::local_section_offset): Use constant
10296         invalid_address instead of -1U.
10297         (Output_reloc::get_address): Likewise.
10298         (Output_section::output_address): Change -1U to -1ULL.
10299         * output.h (Output_reloc::invalid_address): New constant.
10300         * reloc.cc (Sized_relobj::write_sections): Use constant
10301         invalid_address instead of -1U.
10302         (Sized_relobj::relocate_sections): Likewise.
10303         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10304         values for merge sections.
10305         * target-reloc.h (relocate_for_relocatable): Use constant
10306         invalid_address instead of -1U.
10307
10308 2008-09-19  Cary Coutant  <ccoutant@google.com>
10309
10310         Add plugin functionality for link-time optimization (LTO).
10311         * configure.ac (plugins): Add --enable-plugins option.
10312         * configure: Regenerate.
10313         * config.in: Regenerate.
10314         * Makefile.am (LIBDL): New variable.
10315         (CCFILES): Add plugin.cc.
10316         (HFILES): Add plugin.h.
10317         (ldadd_var): Add LIBDL.
10318         * Makefile.in: Regenerate.
10319
10320         * archive.cc: Include "plugin.h".
10321         (Archive::setup): Don't preread archive symbols when using a plugin.
10322         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10323         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10324         files.
10325         (Archive::include_member): Add symbols from plugin objects.
10326         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10327         * descriptors.cc (Descriptors::open): Check for file descriptors
10328         abandoned by plugins.
10329         (Descriptors::claim_for_plugin): New function.
10330         * descriptors.h (Descriptors::claim_for_plugin): New function.
10331         (Open_descriptor::is_claimed): New field.
10332         (claim_descriptor_for_plugin): New function.
10333         * fileread.cc (File_read::claim_for_plugin): New function.
10334         * fileread.h (File_read::claim_for_plugin): New function.
10335         (File_read::descriptor): New function.
10336         * gold.cc: Include "plugin.h".
10337         (queue_initial_tasks): Add task to call plugin hooks for generating
10338         new object files.
10339         * main.cc: Include "plugin.h".
10340         (main): Load plugin libraries.
10341         * object.h (Pluginobj): Declare.
10342         (Object::pluginobj): New function.
10343         (Object::do_pluginobj): New function.
10344         (Object::set_target): New function.
10345         * options.cc: Include "plugin.h".
10346         (General_options::parse_plugin): New function.
10347         (General_options::General_options): Initialize plugins_ field.
10348         (General_options::add_plugin): New function.
10349         * options.h (Plugin_manager): Declare.
10350         (General_options): Add --plugin option.
10351         (General_options::has_plugins): New function.
10352         (General_options::plugins): New function.
10353         (General_options::add_plugin): New function.
10354         (General_options::plugins_): New field.
10355         * plugin.cc: New file.
10356         * plugin.h: New file.
10357         * readsyms.cc: Include "plugin.h".
10358         (Read_symbols::do_read_symbols): Check for archive before checking
10359         for ELF file.  Call plugin hooks to claim files.
10360         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10361         from a real object file; force override when processing replacement
10362         files.
10363         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10364         (Symbol::init_base_object): Likewise.
10365         (Symbol::init_base_output_data): Likewise.
10366         (Symbol::init_base_output_segment): Likewise.
10367         (Symbol::init_base_constant): Likewise.
10368         (Symbol::init_base_undefined): Likewise.
10369         (Symbol::output_section): Assert that object is not a plugin.
10370         (Symbol_table::add_from_pluginobj): New function.
10371         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10372         undefined.
10373         (Symbol_table::sized_write_globals): Likewise.
10374         (Symbol_table::add_from_pluginobj): Instantiate template.
10375         * symtab.h (Sized_pluginobj): Declare.
10376         (Symbol::in_real_elf): New function.
10377         (Symbol::set_in_real_elf): New function.
10378         (Symbol::in_real_elf_): New field.
10379         (Symbol_table::add_from_pluginobj): New function.
10380
10381         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10382         (LIBDL): New variable.
10383         (LDADD): Add LIBDL.
10384         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10385         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10386         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10387         (MOSTLYCLEANFILES): Likewise.
10388         * testsuite/Makefile.in: Regenerate.
10389         * testsuite/plugin_test.c: New file.
10390         * testsuite/plugin_test_1.sh: New file.
10391         * testsuite/plugin_test_2.sh: New file.
10392
10393 2008-09-16  Ian Lance Taylor  <iant@google.com>
10394
10395         * target-reloc.h (relocate_section): Check whether a symbol is
10396         defined by the ABI before reporting an undefined symbol error.
10397         * target.h (Target::is_defined_by_abi): Make parameter const.
10398         (Target::do_is_defined_by_abi): Likewise.
10399         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10400         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10401         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10402         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10403         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10404         * testsuite/Makefile.in: Rebuild.
10405
10406         * fileread.cc (make_view): Add casts to avoid warning.
10407
10408 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10409
10410         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10411         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10412
10413 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10414
10415         * options.h (General_options::output_is_executable): New.
10416         (General_options::output_is_pie): New.
10417         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10418         for shared libraries.
10419         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10420
10421 2008-09-11  Chris Demetriou  <cgd@google.com>
10422
10423         * options.h (origin): New -z option.
10424         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10425         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10426         in DT_FLAGS_1.
10427
10428 2008-09-05  Cary Coutant  <ccoutant@google.com>
10429
10430         * fileread.cc (File_read::make_view): Add check for attempt to map
10431         beyond end of file.
10432
10433 2008-09-05  Cary Coutant  <ccoutant@google.com>
10434
10435         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10436         explicit instantiations.
10437
10438 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10439
10440         PR gold/6858
10441         * options.cc (General_options::finalize): Allow undefined symbols
10442         in shlibs if linking -shared.
10443
10444         PR gold/6859
10445         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10446         symbols as not needing a dynsym entry.
10447
10448 2008-08-20  Craig Silverstein  <csilvers@google.com>
10449
10450         * fileread.cc (File_read::open): Do not lock the file unless it
10451         was successfully opened.
10452
10453 2008-08-14  Cary Coutant  <ccoutant@google.com>
10454
10455         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10456         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10457         * testsuite/tls_test.cc (struct int128): 128-bit struct
10458         for testing TLS relocs with non-zero addend.
10459         (v12): New TLS variable.
10460         (t12): New test.
10461         (t_last): Add check for v12.
10462         * testsuite/tls_test.h (t12): New function.
10463         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10464
10465 2008-08-13  Ian Lance Taylor  <iant@google.com>
10466
10467         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10468         set tls_segment_ or relro_segment_.
10469         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10470         when appropriate.
10471         * output.h (Output_section::clear_is_relro): New function.
10472         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10473         sections specially even when output_data_ is empty.
10474         (Output_segment::maximum_alignment): When first section is relro,
10475         only force alignment for PT_LOAD segments.
10476         * script.cc (script_data_segment_align): New function.
10477         (script_data_segment_relro_end): New function.
10478         * script-c.h (script_data_segment_align): Declare.
10479         (script_data_segment_relro_end): Declare.
10480         * script-sections.h (class Script_sections): Declare
10481         data_segment_align and data_segment_relro_end.  Add fields
10482         segment_align_index_ and saw_relro_end_.
10483         * script-sections.cc (class Sections_element): Add set_is_relro
10484         virtual function.  Add new bool* parameter to place_orphan_here.
10485         Add get_output_section virtual function.
10486         (class Output_section_definition): Add set_is_relro.  Add new
10487         bool* parameter to place_orphan_here.  Add get_output_section.
10488         Add is_relro_ field.
10489         (Output_section_definition::Output_section_definition): Initialize
10490         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10491         and is_relro_ fields.
10492         (Output_section_definition::place_orphan_here): Add is_relro
10493         parameter.
10494         (Output_section_definition::set_section_addresses): Set relro for
10495         output section.
10496         (Output_section_definition::alternate_constraint): Likewise.
10497         (class Orphan_output_section): Add new bool* parameter to
10498         place_orphan_here.  Add get_output_section.
10499         (Orphan_output_section::place_orphan_here): Add is_relro
10500         parameter.
10501         (Script_sections::Script_sections): Initialize
10502         data_segment_align_index_ and saw_relro_end_.
10503         (Script_sections::data_segment_align): New function.
10504         (Script_sections::data_segment_relro_end): New function.
10505         (Script_sections::place_orphan): Set or clear is_relro.
10506         (Script_sections::set_section_addresses): Force alignment of first
10507         TLS section.
10508         * yyscript.y (exp): Call script_data_segment_align and
10509         script_data_segment_relro_end.
10510         * testsuite/relro_script_test.t: New file.
10511         * testsuite/relro_test.cc (using_script): Declare.
10512         (t1, t2): Test using_script.
10513         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10514         (relro_script_test_SOURCES): Define.
10515         (relro_script_test_DEPENDENCIES): Define.
10516         (relro_script_test_LDFLAGS): Define.
10517         (relro_script_test_LDADD): Define.
10518         (relro_script_test.so): New target.
10519         * testsuite/Makefile.in: Rebuild.
10520
10521 2008-08-06  Cary Coutant <ccoutant@google.com>
10522
10523         * archive.cc (Archive::total_archives, Archive::total_members)
10524         (Archive::total_members_loaded): New variables.
10525         (Archive::setup): Add parameter.  Add option to preread
10526         archive symbols.
10527         (Archive::read_armap): Add counter.
10528         (Archive::get_file_and_offset): New function.
10529         (Archive::get_elf_object_for_member): New function.
10530         (Archive::read_all_symbols): New function.
10531         (Archive::read_symbols): New function.
10532         (Archive::add_symbols): Add counters.
10533         (Archive::include_all_members): Use armap to find members if it's
10534         already built.
10535         (Archive::include_member): Skip reading symbols if already read.
10536         Factored code into Archive::get_file_and_offset and
10537         Archive::get_elf_object_for_member.  Changed call to
10538         Mapfile::report_include_archive_member.
10539         (Archive::print_stats): New function.
10540         * archive.h: Declare Object and Read_symbols_data classes.
10541         (Archive::Archive): Add initializers for new members.
10542         (Archive::setup): Add parameter.
10543         (Archive::print_stats): New function.
10544         (Archive::total_archives, Archive::total_members)
10545         (Archive::total_members_loaded): New variables.
10546         (Archive::get_file_and_offset): New function.
10547         (Archive::get_elf_object_for_member): New function.
10548         (Archive::read_all_symbols): New function.
10549         (Archive::read_symbols): New function.
10550         (Archive::Archive_member): New class.
10551         (Archive::members_): New member.
10552         (Archive::num_members_): New member.
10553         * main.cc: Include archive.h.
10554         (main): Call Archive::print_stats.
10555         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10556         archive parameter; member_name is now the fully-decorated name.
10557         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10558         * options.h: (General_options): Add --preread-archive-symbols option.
10559         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10560         Archive::setup.
10561
10562 2008-08-04  Ian Lance Taylor  <iant@google.com>
10563
10564         * symtab.h (Symbol::use_plt_offset): New function.
10565         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10566         * powerpc.cc (Relocate::relocate): Likewise.
10567         * sparc.cc (Relocate::relocate): Likewise.
10568         * x86_64.cc (Relocate::relocate): Likewise.
10569         * testsuite/weak_plt.sh: New test.
10570         * testsuite/weak_plt_main.cc: New test.
10571         * testsuite/weak_plt_shared.cc: New test.
10572         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10573         (check_PROGRAMS): Add weak_plt.
10574         (check_DATA): Add weak_plt_shared.so.
10575         (weak_plt_main_pic.o, weak_plt): New targets.
10576         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10577         * testsuite/Makefile.in: Rebuild.
10578
10579         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10580         gcctestdir/ld.
10581         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10582         * testsuite/Makefile.in: Rebuild.
10583
10584 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10585
10586         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10587         * Makefile.in: Regenerate.
10588         * po/POTFILES.in: Regenerate.
10589
10590 2008-07-29  Ian Lance Taylor  <iant@google.com>
10591
10592         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10593         symbols before other symbols.
10594         * testsuite/script_test_2.cc (test_addr): Declare.
10595         (test_addr_alias): Declare.
10596         (main): Check that test_addr and test_addr_alias have the right
10597         values.
10598         * testsuite/script_test_2.t: Define test_addr_alias and
10599         test_addr.
10600
10601 2008-07-24  Ian Lance Taylor  <iant@google.com>
10602
10603         PR 5990
10604         * descriptors.cc: New file.
10605         * descriptors.h: New file.
10606         * gold-threads.h (class Hold_optional_lock): New class.
10607         * fileread.cc: Include "descriptors.h".
10608         (File_read::~File_read): Release descriptor rather than closing
10609         it.
10610         (File_read::open) [file]: Call open_descriptor rather than open.
10611         Set is_descriptor_opened_.
10612         (File_read::open) [memory]: Assert that descriptor is not open.
10613         (File_read::reopen_descriptor): New function.
10614         (File_read::release): Release descriptor.
10615         (File_read::do_read): Make non-const.  Reopen descriptor.
10616         (File_read::read): Make non-const.
10617         (File_read::make_view): Reopen descriptor.
10618         (File_read::do_readv): Likewise.
10619         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10620         Update declarations.
10621         * layout.cc: Include "descriptors.h".
10622         (Layout::create_build_id): Use open_descriptor rather than open.
10623         * output.cc: Include "descriptors.h".
10624         (Output_file::open): Use open_descriptor rather than open.
10625         * archive.cc (Archive::const_iterator): Change Archive to be
10626         non-const.
10627         (Archive::begin, Archive::end): Make non-const.
10628         (Archive::count_members): Likewise.
10629         * archive.h (class Archive): Update declarations.
10630         * object.h (Object::read): Make non-const.
10631         * Makefile.am (CCFILES): Add descriptors.cc.
10632         (HFILES): Add descriptors.h.
10633         * Makefile.in: Rebuild.
10634
10635         PR 6716
10636         * gold.h: Always include <clocale>.  Add Solaris workarounds
10637         following code in binutils/sysdep.h.
10638
10639         PR 6048
10640         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10641         this->eh_frame_hdr_ is NULL before using it.
10642
10643         * dynobj.cc (Versions::Versions): Update comment.
10644
10645         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10646         the base version name.
10647
10648         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10649         array size plus one.
10650         (Stringpool_template::set_string_offsets): Subtract one from key
10651         before using it as an array index.
10652         (Stringpool_template::get_offset_with_length): Likewise.
10653         (Stringpool_template::write_to_buffer): Likewise.
10654         * stringpool.h (Stringpool_template::get_offset_from_key):
10655         Likewise.
10656
10657 2008-07-23  Ian Lance Taylor  <iant@google.com>
10658
10659         PR 6658
10660         * object.h (Merged_symbol_value::value): Do our best to handle a
10661         negative addend.
10662
10663         PR 6647
10664         * script.cc (Version_script_info::get_versions): Don't add empty
10665         version tag to return value.
10666         (Version_script_info::get_symbol_version_helper): Change return
10667         type to bool.  Add pversion parameter.  Change all callers.
10668         (script_register_vers_node): Don't require a non-NULL tag.
10669         * script.h (class Version_script_info): Update declarations.
10670         (Version_script_info::get_symbol_version): Change return type to
10671         bool.  Add version parameter.  Change all callers.
10672         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10673         handling.  Handle an empty version from a version script.
10674         (Symbol_table::define_special_symbol): Likewise.
10675         * testsuite/ver_test_10.script: New file.
10676         * testsuite/ver_test_10.sh: New file.
10677         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10678         (check_DATA): Add ver_test_10.syms.
10679         (ver_test_10.syms, ver_test_10.so): New target.
10680         * testsuite/Makefile.in: Rebuild.
10681
10682 2008-07-23  Simon Baldwin  <simonb@google.com>
10683
10684         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10685         to zero for undefined symbols from dynamic libraries.
10686
10687 2008-07-23  Ian Lance Taylor  <iant@google.com>
10688
10689         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10690         Change all callers.
10691         * symtab.h (class Symbol_table): Update declaration.
10692         * testsuite/ver_test_9.cc: New file.
10693         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10694         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10695         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10696         (ver_test_9.so, ver_test_9.o): New targets.
10697         * testsuite/Makefile.in: Rebuild.
10698
10699 2008-07-22  Ian Lance Taylor  <iant@google.com>
10700
10701         * options.h (class General_options): Define --check-sections.
10702         * layout.cc (Layout::set_segment_offsets): Handle
10703         --check-sections.
10704
10705         * options.h (class General_options): Define -n/--nmagic and
10706         -N/--omagic.
10707         * options.cc (General_options::finalize): For -n/--nmagic or
10708         -N/--omagic, set -static.
10709         * layout.cc (Layout::attach_allocated_section_to_segment): If
10710         -N/--omagic, don't put read-only and read-write sections in
10711         different segments.
10712         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10713         finding a read-only segment.
10714         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10715         don't set the minimum segment alignment to the common page size,
10716         and don't set the file offset to the address modulo the page size.
10717         * script-sections.cc (Script_sections::create_segments): If
10718         -n/--omagic, don't put read-only and read-write sections in
10719         different segments.
10720
10721         * cref.cc: New file.
10722         * cref.h: New file.
10723         * options.h (class General_options): Add --print-symbol-counts.
10724         * main.cc (main): Issue defined symbol report if requested.
10725         * archive.cc (Archive::interpret_header): Make into a const member
10726         function.
10727         (Archive::add_symbols): Call Input_objects::archive_start and
10728         archive_stop.
10729         (Archive::const_iterator): Define new class.
10730         (Archive::begin, Archive::end): New functions.
10731         (Archive::include_all_members): Rewrite to use iterator.
10732         (Archive::count_members): New function.
10733         * archive.h (class Archive): Update declarations.
10734         (Archive::filename): New function.
10735         * object.cc: Include "cref.h".
10736         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10737         (Sized_relobj::do_get_global_symbol_counts): New function.
10738         (Input_objects::add_object): Add object to cross-referencer.
10739         (Input_objects::archive_start): New function.
10740         (Input_objects::archive_stop): New function.
10741         (Input_objects::print_symbol_counts): New function.
10742         * object.h: Declare Cref and Archive.
10743         (Object::get_global_symbol_counts): New function.
10744         (Object::do_get_global_symbol_counts): New pure virtual function.
10745         (class Sized_relobj): Add defined_count_ field.  Update
10746         declarations.
10747         (class Input_objects): Add cref_ field.  Update constructor.
10748         Update declarations.
10749         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10750         defined_count_.
10751         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10752         symbol counts.
10753         (Sized_dynobj::do_get_global_symbol_counts): New function.
10754         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10755         defined_count_.  Update declarations.  Define Symbols typedef.
10756         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10757         parameter.  Change all callers.
10758         (Symbol_table::add_from_dynobj): Add sympointers and defined
10759         parameters.  Change all callers.
10760         * symtab.h (class Symbol_table): Update declarations.
10761         * Makefile.am (CCFILES): Add cref.cc.
10762         (HFILES): Add cref.h.
10763         * Makefile.in: Rebuild.
10764
10765 2008-07-22  Simon Baldwin  <simonb@google.com>
10766
10767         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10768         to zero when writing undefined symbols.
10769
10770 2008-07-22  Ian Lance Taylor  <iant@google.com>
10771
10772         * output.cc (Output_section::add_input_section): Don't try to
10773         merge empty merge sections.
10774
10775 2008-07-21  Craig Silverstein  <csilvers@google.com>
10776
10777         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10778         Include symbol version in error message.
10779
10780 2008-07-20  Chris Demetriou  <cgd@google.com>
10781
10782         * configure.ac (gold_cv_c_random_seed): New configured variable.
10783         (RANDOM_SEED_CFLAGS): New substituted variable.
10784         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10785         * configure: Rebuild.
10786         * Makefile.in: Likewise.
10787         * testsuite/Makefile.in: Likewise.
10788
10789 2008-07-18  Ian Lance Taylor  <iant@google.com>
10790
10791         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10792         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10793         * testsuite/ver_test_main.cc (main): Call t4.
10794         (t4, t4_2a): Define.
10795         * testsuite/ver_test_2.cc (t4_2): Define.
10796         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10797         * testsuite/ver_test_4.cc (t4_2a): Define.
10798         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10799         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10800
10801 2008-07-17  Ian Lance Taylor  <iant@google.com>
10802
10803         * dynobj.cc (Versions::add_def): If we give an error about a
10804         missing version, go ahead and create the version anyhow.
10805
10806 2008-07-10  Ian Lance Taylor  <iant@google.com>
10807
10808         Handle output sections with more than 0x7fffffff bytes.
10809         * object.h (class Relobj): Change map_to_output_ to
10810         output_sections_, and just keep a section pointer.  Change all
10811         uses.  Move comdat group support to Sized_relobj.
10812         (Relobj::is_section_specially_mapped): Remove.
10813         (Relobj::output_section): Remove poff parameter.  Change all
10814         callers.
10815         (Relobj::output_section_offset): New function.
10816         (Relobj::set_section_offset): Rewrite.
10817         (Relobj::map_to_output): Remove.
10818         (Relobj::output_sections): New function.
10819         (Relobj::do_output_section_offset): New pure virtual function.
10820         (Relobj::do_set_section_offset): Likewise.
10821         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10822         group support from Relobj.  Update declarations.
10823         (Sized_relobj::get_output_section_offset): New function.
10824         (Sized_relobj::do_output_section_offset): New function.
10825         (Sized_relobj::do_set_section_offset): New function.
10826         * object.cc (Relobj::output_section_address): Remove.
10827         (Sized_relobj::Sized_relobj): Initialize new fields.
10828         (Sized_relobj::include_section_group): Cast find_kept_object to
10829         Sized_relobj.
10830         (Sized_relobj::include_linkonce_section): Likewise.
10831         (Sized_relobj::do_layout): Use separate arrays for output section
10832         and output offset.
10833         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10834         output_sections.
10835         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10836         output_sections and section_offsets.
10837         (Sized_relobj::write_local_symbols): Likewise.
10838         (map_to_kept_section): Compute output address directly.
10839         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10840         output_sections and section_offsets.
10841         (Sized_relobj::write_sections): Likewise.
10842         (Sized_relobj::relocate_sections): Likewise.
10843         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10844         * output.h (class Output_reloc): Update declarations.  Change
10845         u2_.relobj to Sized_relobj*.
10846         (class Output_data_reloc): Change add functions to use
10847         Sized_relobj*.
10848         * output.cc (Output_reloc::Output_reloc): Change relobj to
10849         Sized_relobj*.
10850         (Output_reloc::local_section_offset): Change return type to
10851         Elf_Addr.  Use get_output_section_offset.
10852         (Output_reloc::get_address): Likewise.
10853         (Output_section::is_input_address_mapped): Don't call
10854         is_section_specially_mapped.
10855         (Output_section::output_offset): Likewise.
10856         (Output_section::output_address): Likewise.
10857         (Output_section::starting_output_address): Likewise.
10858         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10859         parameter to Sized_relobj*.
10860         (Copy_relocs::need_copy_reloc): Likewise.
10861         (Copy_relocs::save): Likewise.
10862         * copy-relocs.h (class Copy_relocs): Update declarations.
10863         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10864         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10865         * target-reloc.h (relocate_for_relocatable): Change
10866         offset_in_output_section type to Elf_Addr.  Change code that uses
10867         it as well.
10868         * layout.cc (Layout::layout): Always set *off.
10869         * mapfile.cc (Mapfile::print_input_section): Use
10870         output_section_offset.
10871         * i386.cc (Target_i386::copy_reloc): Change object parameter to
10872         Sized_relobj*.
10873         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10874         * sparc.cc (Target_sparc::copy_reloc): Likewise.
10875         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10876
10877 2008-07-03  Ian Lance Taylor  <iant@google.com>
10878
10879         * layout.cc (Layout::include_section): Do not discard unrecognized
10880         SHT_STRTAB sections.
10881
10882 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
10883
10884         * script.cc (Lex::can_continue_name): Make '?' allowable in
10885         version-script names.
10886         * testsuite/version_script.map: Change glob pattern to use '?'
10887
10888 2008-06-30  Manish Singh  <yosh@gimp.org>
10889
10890         PR 6585
10891         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10892         Correct typo.
10893
10894 2008-06-30  Ian Lance Taylor  <iant@google.com>
10895
10896         PR 6660
10897         PR 6682
10898         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10899         versions]: Don't try to read the value in the contents, since we
10900         don't use it.  Use the template endianness when writing.
10901
10902 2008-06-25  Cary Coutant  <ccoutant@google.com>
10903
10904         * fileread.cc (File_read::make_view): Assert on zero-length view.
10905         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10906         symbol table when there are no symbols to read.
10907
10908 2008-06-23  Craig Silverstein  <csilvers@google.com>
10909
10910         * version.cc (version_string): Bump to 1.7
10911
10912 2008-06-18  Craig Silverstein  <csilvers@google.com>
10913
10914         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10915         constant 0xFFFF to type Valtype.
10916         (Powerpc_relocate_functions::rel16_ha): Likewise.
10917
10918 2008-06-17  Ian Lance Taylor  <iant@google.com>
10919
10920         * output.h (Output_section::Input_section): Initialize p2align_ to
10921         zero for Output_section_data constructors.
10922         (Output_section::Input_section::addralign): If not an input
10923         section, return the alignment of the Output_section_data.
10924         * testsuite/copy_test.cc: New file.
10925         * testsuite/copy_test_1.cc: New file.
10926         * testsuite/copy_test_2.cc: New file.
10927         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10928         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10929         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10930         (copy_test_1_pic.o, copy_test_1.so): New targets.
10931         (copy_test_2_pic.o, copy_test_2.so): New targets.
10932         * testsuite/Makefile.in: Rebuild.
10933
10934         * script-sections.cc (Script_sections::place_orphan): Initialize
10935         local variable exact.
10936
10937 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
10938
10939         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10940
10941 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
10942             David S. Miller  <davem@davemloft.net>
10943
10944         * powerpc.cc: New file.
10945         * Makefile.am (TARGETSOURCES): Add powerpc.cc
10946         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10947         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10948         * Makefile.in: Rebuild.
10949
10950 2008-06-09  Ian Lance Taylor  <iant@google.com>
10951
10952         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10953         <exception>.
10954         (throwing, orig_terminate): New static variables.
10955         (terminate_handler): New static function.
10956         (t2): Set terminate handler.
10957
10958 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
10959
10960         PR 6584
10961         * binary.cc (Binary_to_elf::sized_convert): Fix .data
10962         alignment.
10963
10964 2008-05-30  Cary Coutant  <ccoutant@google.com>
10965
10966         * archive.cc (Archive::include_all_members) Correct to step
10967         over symbol table and extended name table in thin archives.
10968
10969 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
10970
10971         PR 6407
10972         * target-reloc.h (relocate_for_relocatable): Fix new_offset
10973         calculation.
10974
10975 2008-05-28  Caleb Howe  <cshowe@google.com>
10976
10977         * reduced_debug_output.cc: New file.
10978         * reduced_debug_output.h: New file.
10979         * options.h (class General_options): Add --strip-debug-non-line.
10980         * options.cc (General_options::finalize): Add strip_debug_non_line
10981         to the strip heirarchy.
10982         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10983         fields.
10984         * layout.cc: Include "reduced_debug_output.h".
10985         (Layout::Layout): Initialize new fields.
10986         (line_only_debug_sections): New static array.
10987         (is_lines_only_debug_sections): New static inline function.
10988         (Layout::include_section): Handle --strip-debug-non-line.
10989         (Layout::make_output_section): If --strip-debug-non-line, build
10990         new output sections for .debug_abbrev and .debug_info.
10991         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10992         gold.  Warn about possible overflow.
10993         (read_signed_LEB_128): Likewise.
10994         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10995         (read_signed_LEB_128): Declare.
10996         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10997         (HFILES): Add reduced_debug_output.h.
10998         * Makefile.in: Rebuild.
10999
11000 2008-05-21  Ian Lance Taylor  <iant@google.com>
11001
11002         * mapfile.cc: New file.
11003         * mapfile.h: New file.
11004         * options.h (class General_options): Add -M/--print-map and -Map.
11005         * options.cc (General_options::finalize): Make -M equivalent to
11006         -Map -.
11007         * main.cc: Include <cstdio> and "mapfile.h".
11008         (main): Open mapfile if requested.
11009         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11010         constructor.  Change caller.
11011         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11012         (queue_middle_tasks): Likewise.
11013         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11014         declarations.
11015         * archive.cc: Include "mapfile.h".
11016         (Archive::add_symbols): Add mapfile parameter.  Change all
11017         callers.  Pass mapfile, symbol, and reason to include_member.
11018         (Archive::include_all_members): Add mapfile parameter.  Change all
11019         callers.
11020         (Archive::include_member): Add mapfile, sym, and why parameters.
11021         Change all callers.  Report inclusion to map file.
11022         * archive.h: Include "fileread.h".
11023         (class Archive): Update declarations.
11024         (Archive::file): New const method.
11025         (class Add_archive_symbols): Add mapfile_ field.  Update
11026         constructor.  Change all callers.
11027         * readsyms.h (class Read_symbols): Likewise.
11028         (class Finish_group): Likewise.
11029         (class Read_script): Likewise.
11030         * common.cc: Include "mapfile.h".
11031         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11032         all callers.
11033         (Symbol_table::do_allocate_commons): Likewise.
11034         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11035         symbol allocation to mapfile.
11036         * common.h (class Allocate_commons_task): Add mapfile_ field.
11037         Update constructor.  Change all callers.
11038         * symtab.h (class Symbol_table): Update declarations.
11039         * layout.cc: Include "mapfile.h".
11040         (Layout_task_runner::run): Print information to mapfile.
11041         (Layout::create_gold_note): Change Output_data_fixed_space to
11042         Output_data_zero_fill.
11043         (Layout::create_build_id): Likewise.
11044         (Layout::print_to_mapfile): New function.
11045         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11046         constructor.  Change caller.
11047         (class Layout): Declare print_to_mapfile.
11048         * output.cc (Output_section::Input_section::print_to_mapfile): New
11049         function.
11050         (Output_section::add_input_section): If producing a map, always
11051         add to input_sections_ list.
11052         (Output_section::do_print_to_mapfile): New function.
11053         (Output_segment::print_sections_to_mapfile): New function.
11054         (Output_segment::print_section_list_to_mapfile): New function.
11055         * output.h: Include "mapfile.h".
11056         (Output_data::print_to_mapfile): New function.
11057         (Output_data::do_print_to_mapfile): New virtual function.
11058         (Output_segment_headers::do_print_to_mapfile): New function.
11059         (Output_file_header::do_print_to_mapfile): New function.
11060         (Output_data_const::do_print_to_mapfile): New function.
11061         (class Output_data_const_buffer): Add map_name_ field.  Update
11062         constructor.  Change all callers.  Add do_print_to_mapfile
11063         function.
11064         (class Output_data_fixed_space): Likewise.
11065         (class Output_data_space): Likewise.
11066         (class Output_data_zero_fill): New class.
11067         (Output_data_strtab::do_print_to_mapfile): New function.
11068         (Output_data_reloc_base::do_print_to_mapfile): New function.
11069         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11070         (Output_data_group::do_print_to_mapfile): New function.
11071         (Output_data_got::do_print_to_mapfile): New function.
11072         (Output_data_dynamic::do_print_to_mapfile): New function.
11073         (Output_symtab_xindex::do_print_to_mapfile): New function.
11074         (class Output_section): Declare do_print_to_mapflie.  Declare
11075         print_to_mapfile in Input_section.
11076         (class Output_segment): Declare new functions.
11077         * object.h (Sized_relobj::symbol_count): New function.
11078         * script-sections.cc
11079         (Output_section_element_dot_assignment::set_section_addresses):
11080         Change Output_data_fixed_space to Output_data_zero_fill.
11081         (Output_data_expression::do_print_to_mapfile): New function.
11082         * script.cc (read_input_script): Add mapfile parameter.  Change
11083         all callers.
11084         * script.h (read_input_script): Update declaration.
11085         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11086         (Eh_frame::do_print_to_mapfile): New function.
11087         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11088         (Output_merge_string::do_print_to_mapfile): New function.
11089         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11090         function.
11091         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11092         function.
11093         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11094         function.
11095         * Makefile.am (CCFILES): Add mapfile.cc.
11096         (HFILES): Add mapfile.h.
11097         * Makefile.in: Rebuild.
11098
11099 2008-05-19  Ian Lance Taylor  <iant@google.com>
11100
11101         * options.h (class General_options): Add -z relro.
11102         * layout.cc (Layout::Layout): Initialize relro_segment_.
11103         (Layout::add_output_section_data): Return the output section.
11104         (Layout::make_output_section): Rcognize relro sections and mark
11105         them appropriately.
11106         (Layout::attach_allocated_section_to_segment): Put relro sections
11107         in a PT_GNU_RELRO segment.
11108         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11109         section as relro.
11110         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11111         PT_TLS segments.
11112         (Layout::linkonce_mapping): Map d.rel.ro.local to
11113         .data.rel.ro.local.
11114         (Layout::output_section_name): Us .data.rel.ro.local for any
11115         section which begins with that.
11116         * layout.h (class Layout): Update add_output_section_data
11117         declaration.  Add relro_segment_ field.
11118         * output.cc (Output_section::Output_section): Initialize is_relro_
11119         and is_relro_local_ fields.
11120         (Output_segment::add_output_section): Group relro sections.
11121         (Output_segment::is_first_section_relro): New function.
11122         (Output_segment::maximum_alignment): If there is a relro section,
11123         align the segment to the common page size.
11124         (Output_segment::set_section_addresses): Track whether we are
11125         looking at relro sections.  If the last section is a relro
11126         section, align to the common page size.
11127         (Output_segment::set_section_list_addresses): Add in_relro
11128         parameter.  Change all callers.  Align to the page size when
11129         moving from relro to non-relro section.
11130         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11131         segment.
11132         * output.h (class Output_section): Add is_relro_ and
11133         is_relro_local_ fields.
11134         (Output_section::is_relro): New function.
11135         (Output_section::set_is_relro): New function.
11136         (Output_section::is_relro_local): New function.
11137         (Output_section::set_is_relro_local): New function.
11138         (class Output_segment): Update declarations.
11139         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11140         * sparc.cc (Target_sparc::got_section): Likewise.
11141         * x86_64.cc (Target_x86_64::got_section): Likewise.
11142         * testsuite/relro_test_main.cc: New file.
11143         * testsuite/relro_test.cc: New file.
11144         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11145         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11146         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11147         (relro_test.so, relro_test_pic.o): New targets.
11148         * testsuite/Makefile.in: Rebuild.
11149
11150 2008-05-16  Ian Lance Taylor  <iant@google.com>
11151
11152         * output.cc (Output_segment::add_output_section): Remove front
11153         parameter.
11154         * output.h (class Output_segment): Remove
11155         add_initial_output_section and overloaded add_output_section.
11156         Update declaration of remaining add_output_section.
11157         * layout.cc (Layout::create_interp): Call add_output_section
11158         rather than add_initial_output_section.
11159         (Layout::finish_dynamic_section): Likewise.
11160
11161         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11162         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11163         know the dynamic type.
11164         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11165         field.  Initialize it in constructor.
11166         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11167         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11168         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11169         reloc.
11170
11171         * output.cc (Output_reloc::get_address): Change return type to
11172         Elf_Addr.
11173         * output.h (class Output_reloc): Update get_address declaration.
11174         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11175         for section addresses.
11176
11177 2008-05-09  Ian Lance Taylor  <iant@google.com>
11178
11179         PR 6493
11180         * gold.cc (gold_nomem): Use return value of write.
11181
11182 2008-05-08  Ian Lance Taylor  <iant@google.com>
11183
11184         * symtab.c (Symbol::init_base_output_data): Add version
11185         parameter.  Change all callers.
11186         (Symbol::init_base_output_segment): Likewise.
11187         (Symbol::init_base_constant): Likewise.
11188         (Symbol::init_base_undefined): Likewise.
11189         (Sized_symbol::init_output_data): Likewise.
11190         (Sized_symbol::init_output_segment): Likewise.
11191         (Sized_symbol::init_constant): Likewise.
11192         (Sized_symbol::init_undefined): Likewise.
11193         (Symbol_table::do_define_in_output_data): If the new symbol has a
11194         version, mark it as the default.
11195         (Symbol_table::do_define_in_output_segment): Likewise.
11196         (Symbol_table::do_define_as_constant): Likewise.
11197         * symtab.h (class Symbol): Update declarations.
11198         (class Sized_symbol): Likewise.
11199         * resolve.cc (Symbol::override_version): New function.
11200         (Symbol::override_base): Call override_version.
11201         (Symbol::override_base_with_special): Likewise.
11202         * testsuite/ver_script_8.script: New file.
11203         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11204         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11205         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11206         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11207
11208 2008-05-06  Ian Lance Taylor  <iant@google.com>
11209
11210         PR 6049
11211         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11212         functions.
11213         (class General_options): Remove existing --undefined, and add
11214         --no-undefined instead.  Add new --undefined as synonym for -u.
11215         * archive.cc (Archive::add_symbols): Check whether symbol was
11216         named with -u.
11217         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11218         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11219         all uses.  Add IS_UNDEFINED.  Update declarations to split
11220         different versions of init_base.  Declare init_base_undefined.
11221         (Symbol::is_defined): Handle IS_UNDEFINED.
11222         (Symbol::is_undefined): Likewise.
11223         (Symbol::is_weak_undefined): Call is_undefined.
11224         (Symbol::is_absolute): Handle IS_CONSTANT.
11225         (class Sized_symbol): Update declarations to split different
11226         versions of init.  Declare init_undefined.
11227         (class Symbol_table): Declare new functions.
11228         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11229         Change all callers.
11230         (Symbol::init_base_output_data): Likewise.
11231         (Symbol::init_base_output_segment): Likewise.
11232         (Symbol::init_base_constant): Likewise.
11233         (Symbol::init_base_undefined): New function.
11234         (Sized_symbol::init_object): Rename from init.  Change all
11235         callers.
11236         (Sized_symbol::init_output_data): Likewise.
11237         (Sized_symbol::init_output_segment): Likewise.
11238         (Sized_symbol::init_constant): Likewise.
11239         (Sized_symbol::init_undefined): New function.
11240         (Symbol_table::add_undefined_symbols_from_command_line): New
11241         function.
11242         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11243         function.
11244         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11245         (Symbol::output_section): Likewise.
11246         (Symbol::set_output_section): Likewise.
11247         (Symbol_table::sized_finalize_symbol): Likewise.
11248         (Symbol_table::sized_write_globals): Likewise.
11249         * resolve.cc (Symbol_table::should_override): Likewise.
11250         (Symbol::override_base_with_special): Likewise.
11251
11252         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11253         symbol, change it to have default visibility.
11254         * testsuite/protected_1.cc: New file.
11255         * testsuite/protected_2.cc: New file.
11256         * testsuite/protected_3.cc: New file.
11257         * testsuite/protected_main_1.cc: New file.
11258         * testsuite/protected_main_2.cc: New file.
11259         * testsuite/protected_main_3.cc: New file.
11260         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11261         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11262         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11263         (protected_1.so): New target.
11264         (protected_1_pic.o, protected_2_pic.o): New targets.
11265         (protected_3_pic.o): New target.
11266         (check_PROGRAMS): Add protected_2.
11267         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11268         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11269         * testsuite/Makefile.in: Rebuild.
11270
11271         * options.h (DEFINE_var): Add set_user_set_##varname__.
11272         (DEFINE_bool_alias): New macro.
11273         (class General_options): Define -Bstatic using DEFINE_bool_alias
11274         rather than DEFINE_special.  Add --undefined as an alias for -z
11275         defs.
11276         * options.cc (General_options::parse_Bstatic): Remove.
11277
11278         * options.h (class General_options): Add --fatal-warnings.
11279         * main.cc (main): Implement --fatal-warnings.
11280         * errors.h (Errors::warning_count): New function.
11281
11282         * options.h (class General_options): Add -Bsymbolic-functions.
11283         * symtab.h (Symbol::is_preemptible): Check for
11284         -Bsymbolic-functions.
11285
11286 2008-05-05  Ian Lance Taylor  <iant@google.com>
11287
11288         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11289         as noVARNAME rather than no-VARNAME.
11290         (class General_options): Add option -z combreloc.
11291         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11292         get_address.
11293         (Output_reloc::sort_before) [SHT_REL]: New function.
11294         (Output_reloc::sort_before) [SHT_RELA]: New function.
11295         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11296         Sort_relocs_comparison.
11297         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11298         parameter.  Change all callers.
11299         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11300         sort_relocs parameter.  Change all callers.
11301         * output.cc (Output_reloc::get_address): New function, broken out
11302         of write_rel.
11303         (Output_reloc::write_rel): Call it.
11304         (Output_reloc::compare): New function.
11305         (Output_data_reloc_base::do_write): Optionally sort relocs.
11306
11307         * configure.ac: If targ_extra_obj is set, link it in.
11308         * configure.tgt: Initialize all variables.
11309         (x86_64*): Set targ_extra_obj and targ_extra_size.
11310         * configure: Rebuild.
11311
11312         * object.cc (Sized_relobj::include_section_group): Adjust section
11313         indexes read from group data.  Build vector to pass to
11314         layout_group.
11315         * layout.cc (Layout::layout_group): Add flags and shndxes
11316         parameters.  Remove contents parameter.  Change caller.  Update
11317         explicit instantiations.
11318         * layout.h (class Layout): Update layout_group declaration.
11319         * output.cc (Output_data_group::Output_data_group): Add flags and
11320         input_shndxes parameters.  Remove contents parameter.  Change
11321         caller.
11322         (Output_data_group::do_write): Change input_sections_ to
11323         input_shndxes_.
11324         * output.h (class Output_data_group): Update constructor
11325         declaration.  Rename input_sections_ to input_shndxes_.
11326         * testsuite/many_sections_test.cc: Add template.
11327
11328 2008-04-30  Cary Coutant  <ccoutant@google.com>
11329
11330         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11331
11332         * layout.cc (Layout::include_section): Refactored check for debug
11333         info section.
11334         (Layout::add_comdat): Add new parameters.  Change type
11335         of signature parameter.  Add object and shndx to signatures table.
11336         (Layout::find_kept_object): New function.
11337         * layout.h: Include <cstring>.
11338         (Layout::is_debug_info_section): New function.
11339         (Layout::add_comdat): Add new parameters.
11340         (Layout::find_kept_object): New function.
11341         (Layout::Kept_section): New struct.
11342         (Layout::Signatures): Change type of map range.
11343         * object.cc (Relobj::output_section_address): New function.
11344         (Sized_relobj::include_section_group): Add new parameters.  Change
11345         calls to Layout::add_comdat.  Change to build table of kept comdat
11346         groups and table mapping discarded sections to kept sections.
11347         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11348         (Sized_relobj::do_layout): Change calls to include_section_group and
11349         include_linkonce_section.
11350         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11351         value to zero when section is discarded.
11352         (Sized_relobj::map_to_kept_section): New function.
11353         * object.h (Relobj::output_section_address): New function.
11354         (Relobj::Comdat_group): New type.
11355         (Relobj::find_comdat_group): New function.
11356         (Relobj::Comdat_group_table): New type.
11357         (Relobj::Kept_comdat_section): New type.
11358         (Relobj::Kept_comdat_section_table): New type.
11359         (Relobj::add_comdat_group): New function.
11360         (Relobj::set_kept_comdat_section): New function.
11361         (Relobj::get_kept_comdat_section): New function.
11362         (Relobj::comdat_groups_): New field.
11363         (Relobj::kept_comdat_sections_): New field.
11364         (Symbol_value::input_value): Update comment.
11365         (Sized_relobj::map_to_kept_section) New function.
11366         (Sized_relobj::include_linkonce_section): Add new parameter.
11367         * target-reloc.h (Comdat_behavior): New type.
11368         (get_comdat_behavior): New function.
11369         (relocate_section): Add code to map a discarded section to the
11370         corresponding kept section when applying a relocation.
11371
11372 2008-04-30  Craig Silverstein  <csilvers@google.com>
11373
11374         * dwarf_reader.cc (next_generation_count): New static var.
11375         (Addr2line_cache_entry): New struct.
11376         (addr2line_cache): New static var.
11377         (Dwarf_line_info::one_addr2line): Added caching.
11378         (Dwarf_line_info::clear_addr2line_cache): New function.
11379         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11380         cache-size parameter.
11381         (Dwarf_line_info::one_addr2line_cache): New function.
11382         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11383         new cache-size argument to one_addr2line(), and clear cache.
11384
11385 2008-04-28  Cary Coutant  <ccoutant@google.com>
11386
11387         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11388         R_386_PC8 relocations.
11389
11390 2008-04-23  Ian Lance Taylor  <iant@google.com>
11391
11392         * object.cc (Sized_relobj::include_section_group): Check for
11393         invalid section group.
11394
11395         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11396         header size.
11397
11398         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11399         than read for file header.
11400         * archive.cc (Archive::include_member): Likewise.
11401
11402 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11403
11404         * aclocal.m4: Regenerate.
11405         * configure: Regenerate.
11406
11407 2008-04-19  Ian Lance Taylor  <iant@google.com>
11408
11409         * version.cc (version_string): Bump to 1.6.
11410
11411         * testsuite/Makefile.am (many_sections_r_test): New target.
11412         (many_sections_r_test_SOURCES): Remove.
11413         (many_sections_r_test_DEPENDENCIES): Remove.
11414         (many_sections_r_test_LDFLAGS): Remove.
11415         (many_sections_r_test_LDADD): Remove.
11416
11417         * object.cc (Sized_relobj::do_add_symbols): Always pass
11418         local_symbol_count_ to add_from_relobj.
11419
11420         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11421         every thousand variables.
11422         * testsuite/Makefile.in: Rebuild.
11423
11424         * object.cc (Xindex::initialize_symtab_xindex): New function.
11425         (Xindex::read_symtab_xindex): New function.
11426         (Xindex::sym_xindex_to_shndx): New function.
11427         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11428         available.
11429         (Sized_relobj::do_initialize_xindex): New function.
11430         (Sized_relobj::do_read_symbols): Adjust section links.
11431         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11432         parameter.  Change all callers.
11433         (Sized_relobj::include_section_group): Adjust section links and
11434         symbol section indexes.
11435         (Sized_relobj::do_layout): Adjust section links.
11436         (Sized_relobj::do_count_local_symbols): Adjust section links and
11437         symbol section indexes.
11438         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11439         ordinary and special symbols.
11440         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11441         dynsym_xindex parameters.  Change all callers.  Adjust section
11442         links.  Use SHN_XINDEX when needed.
11443         (Sized_relobj::get_symbol_location_info): Adjust section links.
11444         Don't get fooled by special symbols.
11445         * object.h (class Xindex): Define.
11446         (class Object): Add xindex_ parameter.  Declare virtual functoin
11447         do_initialize_xindex.
11448         (Object::adjust_sym_shndx): New function.
11449         (Object::set_xindex): New protected function.
11450         (class Symbol_value): Add is_ordinary_shndx_ field.
11451         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11452         (Symbol_value::value): Assert ordinary section.
11453         (Symbol_value::initialize_input_to_output_map): Likewise.
11454         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11455         Change all callers.
11456         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11457         all callers.
11458         (class Sized_relobj): Update declarations.
11459         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11460         parameter.  Change all callers.
11461         (Sized_relobj::adjust_shndx): New function.
11462         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11463         field.
11464         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11465         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11466         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11467         (Sized_dynobj::read_dynsym_section): Adjust section links.
11468         (Sized_dynobj::read_dynamic): Likewise.
11469         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11470         section links.
11471         (Sized_dynobj::do_initialize_xindex): New function.
11472         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11473         do_initialize_xindex.
11474         (Sized_dynobj::adjust_shndx): New function.
11475         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11476         dynsym_xindex_ fields.
11477         (Layout::finalize): Add a call to set_section_indexes before
11478         creating the symtab sections.
11479         (Layout::set_section_indexes): Don't do anything if the section
11480         already has a section index.
11481         (Layout::create_symtab_sections): Add shnum parameter.  Change
11482         caller.  Create .symtab_shndx section if needed.
11483         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11484         caller.
11485         (Layout::allocated_output_section_count): New function.
11486         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11487         needed.
11488         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11489         fields.  Update declarations.
11490         (Layout::symtab_xindex): New function.
11491         (Layout::dynsym_xindex): New function.
11492         (class Write_symbols_task): Add layout_ field.
11493         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11494         Change caller.
11495         * output.cc (Output_section_headers::Output_section_headers): Add
11496         shstrtab_section parameter.  Change all callers.
11497         (Output_section_headers::do_sized_write): Store overflow values
11498         for section count and section string table section index in
11499         section header zero.
11500         (Output_file_header::do_sized_write): Check for overflow of
11501         section count and section string table section index.
11502         (Output_symtab_xindex::do_write): New function.
11503         (Output_symtab_xindex::endian_do_write): New function.
11504         * output.h (class Output_section_headers): Add shstrtab_section_.
11505         Update declarations.
11506         (class Output_symtab_xindex): Define.
11507         (Output_section::has_out_shndx): New function.
11508         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11509         field.
11510         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11511         Change all callers.
11512         (Sized_symbol::init): Likewise.
11513         (Symbol::output_section): Check for ordinary symbol.
11514         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11515         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11516         callers.
11517         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11518         Change all callers.  Simplify handling of symbols from sections
11519         not included in the link.
11520         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11521         distinction.
11522         (Weak_alias_sorter::operator()): Assert that symbols are
11523         ordinary.
11524         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11525         distinction.
11526         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11527         parameters.  Change all callers.
11528         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11529         symbol distinction.  Use SHN_XINDEX when needed.
11530         (Symbol_table::write_section_symbol): Add symtab_xindex
11531         parameter.  Change all callers.
11532         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11533         SHN_XINDEX when needed.
11534         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11535         declarations.
11536         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11537         (Symbol::is_defined): Check is_ordinary.
11538         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11539         (Symbol::is_absolute, Symbol::is_common): Likewise.
11540         (class Sized_symbol): Update declarations.
11541         (class Symbol_table): Update declarations.
11542         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11543         parameters.  Change all callers.
11544         (Sized_symbol::override): Likewise.
11545         (Symbol_table::override): Likewise.
11546         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11547         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11548         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11549         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11550         to be in an ordinary section.
11551         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11552         object and is_ordinary parameters.  Change all callers.
11553         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11554         Change all callers.  Don't add undefined or non-ordinary symbols
11555         to reloc_map_.
11556         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11557         Change all callers.
11558         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11559         declarations.
11560         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11561         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11562         (Sized_relobj::relocate_sections): Likewise.
11563         * target-reloc.h (scan_relocs): Adjust section symbol index.
11564         (scan_relocatable_relocs): Likewise.
11565         * i386.cc (Scan::local): Check for ordinary symbols.
11566         * sparc.cc (Scan::local): Likewise.
11567         * x86_64.cc (Scan::local): Likewise.
11568         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11569         to symbol_section_and_value.
11570         * testsuite/many_sections_test.cc: New file.
11571         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11572         (check_PROGRAMS): Add many_sections_test.
11573         (many_sections_test_SOURCES): Define.
11574         (many_sections_test_DEPENDENCIES): Define.
11575         (many_sections_test_LDFLAGS): Define.
11576         (BUILT_SOURCES): Add many_sections_define.h.
11577         (many_sections_define.h): New target.
11578         (BUILT_SOURCES): Add many_sections_check.h.
11579         (many_sections_check.h): New target.
11580         (check_PROGRAMS): Add many_sections_r_test.
11581         (many_sections_r_test_SOURCES): Define.
11582         (many_sections_r_test_DEPENDENCIES): Define.
11583         (many_sections_r_test_LDFLAGS): Define.
11584         (many_sections_r_test_LDADD): Define.
11585         (many_sections_r_test.o): New target.
11586         * testsuite/Makefile.in: Rebuild.
11587
11588 2008-04-17  Cary Coutant  <ccoutant@google.com>
11589
11590         * errors.cc (Errors::info): New function.
11591         (gold_info): New function.
11592         * errors.h (Errors::info): New function.
11593         * gold.h (gold_info): New function.
11594         * object.cc (Input_objects::add_object): Print trace output.
11595         * options.cc (options::parse_set): New function.
11596         (General_options::parse_wrap): Deleted.
11597         (General_options::General_options): Deleted initializer.
11598         * options.h (options::String_set): New typedef.
11599         (options::parse_set): New function.
11600         (DEFINE_set): New macro.
11601         (General_options::wrap): Changed to use DEFINE_set. Changed
11602         callers of any_wrap_symbols and is_wrap_symbol.
11603         (General_options::trace, General_options::trace_symbol):
11604         New options.
11605         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11606         (General_options::wrap_symbols_): Deleted.
11607         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11608
11609 2008-04-17  David S. Miller  <davem@davemloft.net>
11610
11611         * options.cc (General_options::parse_V): New function.
11612         * options.h: Add entries for -V and -Qy.
11613
11614 2008-04-17  Ian Lance Taylor  <iant@google.com>
11615
11616         * common.cc (Symbol_table::allocate_commons): Remove options
11617         parameter.  Change caller.
11618         (Symbol_table::do_allocate_commons): Remove options parameter.
11619         Change caller.  Just call do_allocate_commons_list twice.
11620         (Symbol_table::do_allocate_commons_list): New function, broken out
11621         of do_allocate_commons.
11622         * common.h (class Allocate_commons_task): Remove options_ field.
11623         Update constructor.
11624         * symtab.cc (Symbol_table::Symbol_table): Initialize
11625         tls_commons_.
11626         (Symbol_table::add_from_object): Put TLS common symbols on
11627         tls_commons_ list.
11628         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11629         which are IN_OUTPUT_DATA.
11630         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11631         allocate_commons and do_allocate_commons declarations.  Declare
11632         do_allocate_commons_list.
11633         * gold.cc (queue_middle_tasks): Update creation of
11634         Allocate_commons_task to not pass options.
11635         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11636         (TLS_TEST_C_FLAGS): New variable.
11637         (tls_test_c_pic.o): New target.
11638         (tls_test_shared.so): Link in tls_test_c_pic.o.
11639         (tls_test_c_pic_ie.o): New target.
11640         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11641         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11642         (tls_test_c.o): New target.
11643         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11644         (tls_pic_test_LDADD): Likewise.
11645         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11646         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11647         (tls_test_c_gnu2.o): New target.
11648         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11649         tls_test_c_gnu2.o.
11650         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11651         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11652         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11653         * testsuite/tls_test.cc: Include "config.h".
11654         (t_last): Call t11_last.
11655         * testsuite/tls_test.h (t11, t11_last): Declare.
11656         * testsuite/tls_test_c.c: New file.
11657         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11658         * configure.ac: Check for OpenMP support.
11659         * configure, config.in, Makefile.in: Rebuild.
11660         * testsuite/Makefile.in: Rebuild.
11661
11662 2008-04-16  Cary Coutant  <ccoutant@google.com>
11663
11664         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11665         (Target_i386::tls_base_symbol_defined_): New field.
11666         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11667         (Target_i386::Scan::global): Likewise.
11668         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11669         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11670         (Target_x86_64::tls_base_symbol_defined_): New field.
11671         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11672         (Target_x86_64::Scan::global): Likewise.
11673
11674 2008-04-16  Cary Coutant  <ccoutant@google.com>
11675
11676         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11677         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11678         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11679         building shared libraries.
11680         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11681         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11682         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11683         * testsuite/Makefile.in: Rebuild.
11684         * testsuite/weak_undef.h: New file.
11685         * testsuite/weak_undef_file1.cc: Add extra test cases.
11686         * testsuite/weak_undef_file2.cc: Likewise.
11687         * testsuite/weak_undef_test.cc: Likewise.
11688
11689 2008-04-16  David S. Miller  <davem@davemloft.net>
11690
11691         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11692         Add issued_non_pic_error_ field.  Declare check_non_pic.
11693         (Target_sparc::Scan::check_non_pic): New function.
11694         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11695         (Target_sparc::Scan::global): Likewise.
11696
11697         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11698         * configure: Rebuild.
11699
11700         * options.h (DEFINE_enable): New macro.
11701         (new_dtags): New enable option.
11702         (initfirst, interpose, loadfltr, nodefaultlib,
11703         nodelete, nodlopen, nodump): New -z options.
11704         * layout.cc (Layout:finish_dynamic_section): If new
11705         dtags enabled, emit DT_RUNPATH.  Also, emit a
11706         DT_FLAGS_1 containing any specified -z flags.
11707
11708 2008-04-16  Ian Lance Taylor  <iant@google.com>
11709
11710         * copy-relocs.cc: New file.
11711         * copy-relocs.h: New file.
11712         * reloc.cc: Remove Copy_relocs code.
11713         * reloc.h: Likewise.
11714         * reloc-types.h (struct Reloc_types) [both versions]: Add
11715         get_reloc_addend_noerror.
11716         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11717         variants of add_global which take an addend which must be zero.
11718         * i386.cc: Include "copy-relocs.h".
11719         (class Target_i386): Change type of copy_relocs_ to variable,
11720         update initializer.
11721         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11722         Change all callers.
11723         (Target_i386::do_finalize_sections): Change handling of
11724         copy_relocs_.
11725         * sparc.cc: Include "copy-relocs.h".
11726         (class Target_sparc): Change type of copy_relocs_ to variable,
11727         update initializer.
11728         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11729         Change all callers.
11730         (Target_sparc::do_finalize_sections): Change handling of
11731         copy_relocs_.
11732         * x86_64.cc: Include "copy-relocs.h".
11733         (class Target_x86_64): Change type of copy_relocs_ to variable,
11734         update initializer.
11735         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11736         class.  Change all callers.
11737         (Target_x86_64::do_finalize_sections): Change handling of
11738         copy_relocs_.
11739         * Makefile.am (CCFILES): Add copy-relocs.cc.
11740         (HFILES): Add copy-relocs.h.
11741
11742         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11743
11744         * testsuite/script_test_4.sh: Permit leading zeroes.
11745
11746 2008-04-15  Ian Lance Taylor  <iant@google.com>
11747
11748         * script-sections.cc (Script_sections::create_segments): Use
11749         header_size_adjustment even when there is enough room for the
11750         headers.
11751         * testsuite/script_test_4.sh: New file.
11752         * testsuite/script_test_4.t: New file.
11753         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11754         (check_DATA): Add script_test_4.stdout.
11755         (MOSTLYCLEANFILES): Likewise.
11756         (script_test_4): New target.
11757         (script_test_4.stdout): New target.
11758         * testsuite/Makefile.in: Rebuild.
11759
11760         * sparc.cc: Add definitions for Output_data_plt_sparc class
11761         constants.
11762
11763 2008-04-14  David S. Miller  <davem@davemloft.net>
11764
11765         * sparc.cc: New file.
11766         * Makefile.am (TARGETSOURCES): Add sparc.cc
11767         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11768         * configure.tgt: Document targ_extra_size and
11769         targ_extra_big_endian.  Add entries for sparc-* and
11770         sparc64-*.
11771         * configure.ac: Handle targ_extra_size and
11772         targ_extra_big_endian.
11773         * Makefile.in: Rebuild.
11774         * configure: Likewise.
11775         * po/POTFILES.in: Likewise.
11776         * po/gold.pot: Likewise.
11777
11778 2008-04-14  Ian Lance Taylor  <iant@google.com>
11779
11780         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11781         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11782         in the name/type/flags to section mapping.  Don't call
11783         allocate_output_section.
11784         (Layout::choose_output_section): Change parameter from adjust_name
11785         to is_input_section.  Don't permit input sections after sections
11786         are attached to segments.  Don't call allocate_output_section.
11787         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11788         not write_enable_output_section.
11789         (Layout::make_output_section): Don't push to
11790         unattached_section_list_ nor call attach_to_segment.  Call
11791         attach_section_to_segment if sections are attached.
11792         (Layout::attach_sections_to_segments): New function.
11793         (Layout::attach_section_to_segment): New function.
11794         (Layout::attach_allocated_section_to_segment): Rename from
11795         attach_to_segment.  Remove flags parameter.
11796         (Layout::allocate_output_section): Remove function.
11797         (Layout::write_enable_output_section): Remove function.
11798         * layout.h (class Layout): Update for above changes.  Add new
11799         field sections_are_attached_.
11800         * output.h (Output_section::update_flags_for_input_section): New
11801         function.
11802         * output.cc (Output_section::add_input_section): Call
11803         update_flags_for_input_section.
11804         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11805
11806 2008-04-11  Cary Coutant  <ccoutant@google.com>
11807
11808         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11809         thought unnecessary.
11810         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11811
11812 2008-04-11  Ian Lance Taylor  <iant@google.com>
11813
11814         * output.h (class Output_section_data): Remove inline definition
11815         of set_addralign.
11816         * output.cc (Output_section_data::set_addralign): New function.
11817
11818 2008-04-11  Cary Coutant  <ccoutant@google.com>
11819
11820         Add support for TLS descriptors for i386 and x86_64.
11821         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11822         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11823         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11824         GOT_TYPE_TLS_DESC.
11825         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11826         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11827         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11828         relocations.
11829         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11830         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11831         Fix problem with initial-exec relocations.
11832         (Target_i386::Relocate::relocate_tls): Likewise.
11833         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11834         relaxation.
11835         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11836         support for section-plus-offset dynamic table entries.
11837         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11838         (Output_data_dynamic::Dynamic_entry): Add support for
11839         section-plus-offset dynamic table entries.
11840         (Output_data_dynamic::Classification): Likewise.
11841         (Output_data_dynamic::classification_): Renamed offset_.
11842         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11843         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11844         (Target_x86_64::make_plt_section): New function.
11845         (Target_x86_64::reserve_tlsdesc_entries): New function.
11846         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11847         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11848         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11849         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11850         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11851         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11852         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11853         add extra PLT entry for TLS descriptors.
11854         (Output_data_plt_x86_64::got_): New field.
11855         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11856         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11857         fields.
11858         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11859         descriptors.
11860         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11861         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11862         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11863         R_386_TLS_DESC_CALL relocations.
11864         (Target_x86_64::Scan::global): Likewise.
11865         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11866         for TLS descriptors.
11867         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11868         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11869         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11870         GD-to-IE relaxation.
11871         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11872         and TLS_DESCRIPTORS.
11873         * Makefile.in: Rebuild.
11874         * configure: Rebuild.
11875         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11876         (tls_test_shared2.so): New target.
11877         (tls_shared_gd_to_ie_test_SOURCES): New variable.
11878         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11879         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11880         (tls_shared_gd_to_ie_test_LDADD): New variable.
11881         (tls_shared_gnu2_gd_to_ie_test): New target.
11882         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11883         New targets.
11884         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11885         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11886         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11887         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11888         (tls_shared_gnu2_test): New target.
11889         (tls_test_gnu2_shared.so): New target.
11890         (tls_shared_gnu2_test_SOURCES): New variable.
11891         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11892         (tls_shared_gnu2_test_LDFLAGS): New variable.
11893         (tls_shared_gnu2_test_LDADD): New variable.
11894         * testsuite/Makefile.in: Rebuild.
11895         * testsuite/Makefile.
11896
11897 2008-04-11  Ian Lance Taylor  <iant@google.com>
11898
11899         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11900         justsyms.t.
11901         * testsuite/Makefile.in: Rebuild.
11902
11903         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11904         long.
11905         * testsuite/script_test_2.cc (main): Adjust test.
11906
11907 2008-04-11  David S. Miller  <davem@davemloft.net>
11908             Ian Lance Taylor  <iant@google.com>
11909
11910         * options.h (General_options): Add entries for '-Y' and
11911         '-relax'.
11912         * options.cc (General_options:finalize): If -Y was used, add those
11913         entries to the library path instead of the default "/lib" and
11914         "/usr/lib".
11915
11916 2008-04-11  David S. Miller  <davem@davemloft.net>
11917
11918         * testsuite/justsyms.t: Start at 0x100.
11919         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
11920         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11921         long.
11922         * testsuite/script_test_2.cc: Adjust string and section length
11923         checks.
11924
11925 2008-04-09  Ian Lance Taylor  <iant@google.com>
11926
11927         PR gold/5996
11928         * script-sections.cc (Sections_element::allocate_to_segment): Add
11929         orphan parameter.
11930         (Output_section_definition::allocate_to_segment): Likewise.
11931         (Orphan_output_section::allocate_to_segment): Likewise.
11932         (Script_sections::attach_sections_using_phdrs_clause): Don't
11933         propagate non-PT_LOAD segments to orphan sections.
11934         * testsuite/Makefile.am (script_test_3.stdout): Generate using
11935         readelf rather than objdump.
11936         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
11937         .interp section and PT_INTERP segment are the same size.
11938         * testsuite/Makefile.in: Rebuild.
11939
11940         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11941         aliases for symbols defined in the same object.
11942         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11943         (weak_alias_test_SOURCES): New variable.
11944         (weak_alias_test_DEPENDENCIES): New variable.
11945         (weak_alias_test_LDFLAGS): New variable.
11946         (weak_alias_test_LDADD): New variable.
11947         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11948         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11949         (weak_alias_test_3.o): New target.
11950         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11951         * testsuite/weak_alias_test_main.cc: New file.
11952         * testsuite/weak_alias_test_1.cc: New file.
11953         * testsuite/weak_alias_test_2.cc: New file.
11954         * testsuite/weak_alias_test_3.cc: New file.
11955
11956 2008-04-08  Ian Lance Taylor  <iant@google.com>
11957
11958         * options.h (class General_options): Add --noinhibit-exec option.
11959         * main.cc (main): Check --noinhibit-exec.
11960
11961         * options.h (class General_options): Define --wrap as a special
11962         option.  Add wrap_symbols_ field.
11963         (General_options::any_wrap_symbols): New function.
11964         (General_options::is_wrap_symbol): New function.
11965         * options.cc (General_options::parse_wrap): New function.
11966         (General_options::General_options): Initialize wrap_symbols_.
11967         * symtab.cc (Symbol_table::wrap_symbol): New function.
11968         (Symbol_table::add_from_object): Handle --wrap.
11969         * symtab.h (class Symbol_table): Declare wrap_symbol.
11970         * target.h (Target::wrap_char): New function.
11971         (Target::Target_info): Add wrap_char field.
11972         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11973         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11974         * testsuite/testfile.cc (Target_test::test_target_info):
11975         Likewise.
11976
11977         * errors.cc (Errors::undefined_symbol): Mention symbol version if
11978         there is one.
11979
11980         * layout.h (class Layout): Add added_eh_frame_data_ field.
11981         * layout.cc (Layout::Layout): Initialize new field.
11982         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11983         output section until we find a section we merged successfully.
11984         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11985         that the size be non-zero.
11986
11987         * merge.cc (Object_merge_map::get_output_offset): Remove inline
11988         qualifier.
11989
11990 2008-04-08  Craig Silverstein  <csilvers@google.com>
11991
11992         * configure.ac: Export new conditional variable HAVE_ZLIB.
11993         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11994         on HAVE_ZLIB.
11995         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11996         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11997
11998 2008-04-07  Ian Lance Taylor  <iant@google.com>
11999
12000         * version.cc (version_string): Set to "1.5".
12001
12002         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12003         Add issued_non_pic_error_ field.  Declare check_non_pic.
12004         (Target_x86_64::Scan::check_non_pic): New function.
12005         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12006         (Target_x86_64::Scan::global): Likewise.
12007
12008         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12009         addend parameter.  Change caller.  Handle merge sections.
12010         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12011         Address to Addend.  Don't add in the result of
12012         local_section_offset, pass down the addend and use the returned
12013         value.
12014         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12015         Update declarations of local_section_offset and symbol_value.
12016         * testsuite/two_file_test_1.cc (t18): New function.
12017         * testsuite/two_file_test_2.cc (f18): New function.
12018         * testsuite/two_file_test_main.cc (main): Call t18.
12019         * testsuite/two_file_test.h (t18, f18): Declare.
12020
12021         * configure.ac: Don't test for objdump, c++filt, or readelf.
12022         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12023         conditionals.
12024         (TEST_READELF): New variable.
12025         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12026         (check_PROGRAMS): Add two_file_strip_test.
12027         (two_file_strip_test): New target.
12028         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12029         (two_file_same_shared_strip_test_SOURCES): New variable.
12030         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12031         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12032         (two_file_same_shared_strip_test_LDADD): New variable.
12033         (two_file_shared_strip.so): New target.
12034         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12035         (ver_test_5.syms, ver_test_7.syms): Likewise.
12036         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12037         (strip_test_3.stdout): Use TEST_OBJDUMP.
12038         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12039
12040 2008-04-04  Cary Coutant  <ccoutant@google.com>
12041
12042         * symtab.h (Symbol::is_weak_undefined): New function.
12043         (Symbol::is_strong_undefined): New function.
12044         (Symbol::is_absolute): New function.
12045         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12046         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12047         absolute symbols.
12048         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12049         (weak_undef_test): New target.
12050         * testsuite/Makefile.in: Rebuild.
12051         * testsuite/weak_undef_file1.cc: New file.
12052         * testsuite/weak_undef_file2.cc: New file.
12053         * testsuite/weak_undef_test.cc: New file.
12054
12055 2008-04-03  Craig Silverstein  <csilvers@google.com>
12056
12057         * compressed_output.h (class Output_compressed_section): Use
12058         unsigned buffer.
12059         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12060         add zlib header.
12061         (zlib_compressed_suffix): Removed.
12062         (Output_compressed_section::set_final_data_size): Use unsigned
12063         buffers.
12064         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12065         Fix linker invocation.
12066         (flagstest_o_specialfile_and_compress_debug_sections):
12067         Likewise.
12068         * testsuite/Makefile.in: Regenerated.
12069
12070 2008-04-02  David S. Miller  <davem@davemloft.net>
12071
12072         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12073         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12074
12075 2008-04-02  Craig Silverstein  <csilvers@google.com>
12076
12077         * TODO: New file.
12078
12079 2008-04-02  Ian Lance Taylor  <iant@google.com>
12080
12081         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12082         parameters.  Update for new key type to views_.  Change all
12083         callers.
12084         (File_read::read): Adjust for byteshift in returned view.
12085         (File_read::add_view): New function, broken out of
12086         find_and_make_view.
12087         (File_read::make_view): New function, broken out of
12088         find_and_make_view.
12089         (File_read::find_or_make_view): Add offset and aligned
12090         parameters.  Rewrite accordingly.  Change all callers.
12091         (File_read::get_view): Add offset and aligned parameters.  Adjust
12092         for byteshift in return value.
12093         (File_read::get_lasting_view): Likewise.
12094         * fileread.h (class File_read): Update declarations.
12095         (class File_read::View): Add byteshift_ field.  Add byteshift to
12096         constructor.  Add byteshift method.
12097         * archive.h (Archive::clear_uncached_views): New function.
12098         (Archive::get_view): Add aligned parameter.  Change all callers.
12099         * object.h (Object::get_view): Add aligned parameter.  Change all
12100         callers.
12101         (Object::get_lasting_view): Likewise.
12102
12103         * fileread.cc (File_read::release): Don't call clear_views if
12104         there are multiple objects.
12105         * fileread.h (File_read::clear_uncached_views): New function.
12106         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12107         on the archive.
12108
12109 2008-03-31  Cary Coutant  <ccoutant@google.com>
12110
12111         Add thin archive support.
12112         * archive.cc (Archive::armagt): New const.
12113         (Archive::setup): Remove task parameter and calls to unlock.
12114         (Archive::unlock_nested_archives): New function.
12115         (Archive::read_header): Add nested_off parameter. Change
12116         all callers.
12117         (Archive::interpret_header): Likewise.
12118         (Archive::include_all_members): Change to handle thin
12119         archives.
12120         (Archive::include_member): Likewise.
12121         * archive.h (Archive::Archive): Add new parameters and
12122         initializers.
12123         (Archive::armagt): New const.
12124         (Archive::setup): Remove task parameter.
12125         (Archive::unlock_nested_archives): New function.
12126         (Archive::read_header): Add nested_off parameter.
12127         (Archive::interpret_header): Likewise.
12128         (Archive::Nested_archive_table): New typedef.
12129         (Archive::is_thin_archive_): New field.
12130         (Archive::nested_archives_): New field.
12131         (Archive::options_): New field.
12132         (Archive::dirpath_): New field.
12133         (Archive::task_): New field.
12134         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12135         for thin archives.  Pass additional parameters to
12136         Archive::Archive.  Unlock the archive file after calling
12137         Archive::setup.
12138
12139 2008-03-29  Ian Lance Taylor  <iant@google.com>
12140
12141         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12142         version symbol to be local.
12143         * testsuite/ver_test_4.sh: New file.
12144         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12145         (check_DATA): Add ver_test_4.syms.
12146         (ver_test_4.syms): New target.
12147         * testsuite/Makefile.in: Rebuild.
12148
12149         * output.cc
12150         (Output_section::Input_section_sort_entry::has_priority): New
12151         function.
12152         (Output_section::Input_section_sort_entry::match_file_name): New
12153         function.
12154         (Output_section::Input_section_sort_entry::match_section_name):
12155         Remove.
12156         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12157         Remove.
12158         (Output_section::Input_section_sort_entry::match_section_file):
12159         Remove.
12160         (Output_section::Input_section_sort_compare::operator()): Rewrite
12161         using new Input_section_sort_entry functions.  Sort crtbegin and
12162         crtend first.  Sort sections with no priority before sections with
12163         a priority.
12164         * testsuite/initpri1.c (d3): Check j != 4.
12165         (cd5): New constructor/destructor function.
12166         (main): Check j != 2.
12167
12168         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12169         new symbol when resolving, don't call set_is_default.
12170         * testsuite/ver_test_7.cc: New file.
12171         * testsuite/ver_test_7.sh: New file.
12172         * testsuite/Makefile.am (ver_test_7.so): New target.
12173         (ver_test_7.o): New target.
12174         (check_SCRIPTS): Add ver_test_7.sh.
12175         (check_DATA): Add ver_test_7.syms.
12176         (ver_test_7.syms): New target.
12177
12178 2008-03-28  Ian Lance Taylor  <iant@google.com>
12179
12180         * layout.cc (Layout::layout): If we see an input section with a
12181         name that needs sorting, set the must_sort flag for the output
12182         section.
12183         (Layout::make_output_section): If the name of the output section
12184         indicates that it might require sorting, set the may_sort flag.
12185         * output.h (Output_section::may_sort_attached_input_sections): New
12186         function.
12187         (Output_section::set_may_sort_attached_input_sections): New
12188         function.
12189         (Output_section::must_sort_attached_input_sections): New
12190         function.
12191         (Output_section::set_must_sort_attached_input_sections): New
12192         function.
12193         (class Output_section): Declare Input_section_sort_entry.  Define
12194         Input_section_sort_compare.  Declare
12195         sort_attached_input_sections.  Add new fields:
12196         may_sort_attached_input_sections_,
12197         must_sort_attached_input_sections_,
12198         attached_input_sections_are_sorted_.
12199         * output.cc (Output_section::Output_section): Initialize new
12200         fields.
12201         (Output_section::add_input_section): Add an entry to
12202         input_sections_ if may_sort or must_sort are true.
12203         (Output_section::set_final_data_size): Call
12204         sort_attached_input_sections if necessary.
12205         (Output_section::Input_section_sort_entry): Define new class.
12206         (Output_section::Input_section_sort_compare::operator()): New
12207         function.
12208         (Output_section::sort_attached_input_sections): New function.
12209         * configure.ac: Check whether the compiler supports constructor
12210         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12211         * testsuite/initpri1.c: New file.
12212         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12213         CONSTRUCTOR_PRIORITY.
12214         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12215         (initpri1_LDFLAGS): New variable.
12216         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12217
12218 2008-03-27  Ian Lance Taylor  <iant@google.com>
12219
12220         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12221         * testsuite/common_test_1.c: New file.
12222         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12223         (common_test_1_SOURCES): New variable.
12224         (common_test_1_DEPENDENCIES): New variable.
12225         (common_test_1_LDFLAGS): New variable.
12226
12227         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12228         and commons_ correctly when NAME/VERSION does not override
12229         NAME/NULL.
12230         * testsuite/ver_test_6.c: New file.
12231         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12232         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12233         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12234
12235 2008-03-26  Ian Lance Taylor  <iant@google.com>
12236
12237         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12238         of an undefined symbol from a version script.
12239         * testsuite/Makefile.am (ver_test_5.so): New target.
12240         (ver_test_5.o): New target.
12241         (check_SCRIPTS): Add ver_test_5.sh.
12242         (check_DATA): Add ver_test_5.syms.
12243         (ver_test_5.syms): New target.
12244         * testsuite/ver_test_5.cc: New file.
12245         * testsuite/ver_test_5.script: New file.
12246         * testsuite/ver_test_5.sh: New file.
12247         * Makefile.in, testsuite/Makefile.in: Rebuild.
12248
12249         PR gold/5986
12250         Fix problems building gold with gcc 4.3.0.
12251         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12252         (gold_error_at_location, gold_warning_at_location): Use it.
12253         * configure.ac: Check whether we can compile and use a template
12254         function with a printf attribute.
12255         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12256         when jumping over bytes.
12257         * object.cc: Instantiate Object::read_section_data.
12258         * debug.h: Include <cstring>
12259         * dwarf_reader.cc: Include <algorithm>
12260         * main.cc: Include <cstring>.
12261         * options.cc: Include <cstring>.
12262         * output.cc: Include <cstring>.
12263         * script.cc: Include <cstring>.
12264         * script.h: Include <string>.
12265         * symtab.cc: Include <cstring> and <algorithm>.
12266         * target-select.cc: Include <cstring>.
12267         * version.cc: Include <string>.
12268         * testsuite/testmain.cc: Include <cstdlib>.
12269         * configure, config.in: Rebuild.
12270
12271 2008-03-25  Ian Lance Taylor  <iant@google.com>
12272
12273         * options.cc: Include "../bfd/bfdver.h".
12274         (options::help): Print bug reporting address.
12275
12276         * version.cc (print_version): Adjust output for current value of
12277         BFD_VERSION_STRING.
12278
12279         * NEWS: New file.
12280
12281         * options.cc (options::help): Print list of supported targets.
12282         * target-select.h: Include <vector>.
12283         (class Target_selector): Make machine_, size_, and is_big_endian_
12284         fields const.  Add bfd_name_ and instantiated_target_ fields.
12285         (Target_selector::Target_selector): Add bfd_name parameter.
12286         (Target_selector::recognize): Make non-virtual, call
12287         do_recognize.
12288         (Target_selector::recognize_by_name): Make non-virtual, call
12289         do_recognize_by_name.
12290         (Target_selector::supported_names): New function.
12291         (Target_selector::bfd_name): New function.
12292         (Target_selector::do_instantiate_target): New pure virtual
12293         function.
12294         (Target_selector::do_recognize): New virtual function.
12295         (Target_selector::do_recognize_by_name): New virtual function.
12296         (Target_selector::instantiate_target): New private function.
12297         (supported_target_names): Declare.
12298         * target-select.cc (Target_selector::Target_selector): Update for
12299         new parameter and fields.
12300         (select_target_by_name): Check that the name matches before
12301         calling recognize_by_name.
12302         (supported_target_names): New function.
12303         * i386.cc (class Target_selector_i386): Update Target_selector
12304         constructor call.  Remove recognize and recognize_by_name.  Add
12305         do_instantiate_target.
12306         * x86_64.cc (class Target_selector_x86_64): Likewise.
12307         * testsuite/testfile.cc (class Target_selector_test): Update for
12308         changes to Target_selector.
12309
12310         * README: Rewrite, with some notes on unsupported features.
12311
12312 2008-03-24  Cary Coutant  <ccoutant@google.com>
12313
12314         * i386.cc (Target_i386::Got_type): New enum declaration.
12315         (Target_i386::Scan::local): Updated callers of Output_data_got
12316         member functions.
12317         (Target_i386::Scan::global): Likewise.
12318         (Target_i386::Relocate::relocate): Likewise.
12319         (Target_i386::Relocate::relocate_tls): Likewise.
12320         * object.h (Got_offset_list): New class.
12321         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12322         (Sized_relobj::local_got_offset): Likewise.
12323         (Sized_relobj::set_local_got_offset): Likewise.
12324         (Sized_relobj::local_has_tls_got_offset): Removed.
12325         (Sized_relobj::local_tls_got_offset): Removed.
12326         (Sized_relobj::set_local_tls_got_offset): Removed.
12327         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12328         * output.cc (Output_data_got::add_global): Added got_type parameter.
12329         (Output_data_got::add_global_with_rel): Likewise.
12330         (Output_data_got::add_global_with_rela): Likewise.
12331         (Output_data_got::add_global_pair_with_rel): New function.
12332         (Output_data_got::add_global_pair_with_rela): New function.
12333         (Output_data_got::add_local): Added got_type parameter.
12334         (Output_data_got::add_local_with_rel): Likewise.
12335         (Output_data_got::add_local_with_rela): Likewise.
12336         (Output_data_got::add_local_pair_with_rel): New function.
12337         (Output_data_got::add_local_pair_with_rela): New function.
12338         (Output_data_got::add_global_tls): Removed.
12339         (Output_data_got::add_global_tls_with_rel): Removed.
12340         (Output_data_got::add_global_tls_with_rela): Removed.
12341         (Output_data_got::add_local_tls): Removed.
12342         (Output_data_got::add_local_tls_with_rel): Removed.
12343         (Output_data_got::add_local_tls_with_rela): Removed.
12344         * output.h (Output_data_got::add_global): Added got_type parameter.
12345         (Output_data_got::add_global_with_rel): Likewise.
12346         (Output_data_got::add_global_with_rela): Likewise.
12347         (Output_data_got::add_global_pair_with_rel): New function.
12348         (Output_data_got::add_global_pair_with_rela): New function.
12349         (Output_data_got::add_local): Added got_type parameter.
12350         (Output_data_got::add_local_with_rel): Likewise.
12351         (Output_data_got::add_local_with_rela): Likewise.
12352         (Output_data_got::add_local_pair_with_rel): New function.
12353         (Output_data_got::add_local_pair_with_rela): New function.
12354         (Output_data_got::add_global_tls): Removed.
12355         (Output_data_got::add_global_tls_with_rel): Removed.
12356         (Output_data_got::add_global_tls_with_rela): Removed.
12357         (Output_data_got::add_local_tls): Removed.
12358         (Output_data_got::add_local_tls_with_rel): Removed.
12359         (Output_data_got::add_local_tls_with_rela): Removed.
12360         * resolve.cc (Symbol::override_base_with_special): Removed
12361         reference to has_got_offset_ field.
12362         * symtab.cc (Symbol::init_fields): Replaced initialization
12363         of got_offset_ with got_offsets_.  Removed initialization
12364         of has_got_offset_
12365         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12366         (Symbol::got_offset): Likewise.
12367         (Symbol::set_got_offset): Likewise.
12368         (Symbol::has_tls_got_offset): Removed.
12369         (Symbol::tls_got_offset): Removed.
12370         (Symbol::set_tls_got_offset): Removed.
12371         (Symbol::got_offset_): Removed.
12372         (Symbol::tls_mod_got_offset_): Removed.
12373         (Symbol::tls_pair_got_offset_): Removed.
12374         (Symbol::got_offsets_): New field.
12375         (Symbol::has_got_offset): Removed.
12376         (Symbol::has_tls_mod_got_offset): Removed.
12377         (Symbol::has_tls_pair_got_offset): Removed.
12378         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12379         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12380         member functions.
12381         (Target_x86_64::Scan::global): Likewise.
12382         (Target_x86_64::Relocate::relocate): Likewise.
12383         (Target_x86_64::Relocate::relocate_tls): Likewise.
12384
12385 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12386
12387         * yyscript.y: Fix spelling error in comment.
12388
12389 2008-03-24  Ian Lance Taylor  <iant@google.com>
12390
12391         * options.h (class General_options): Define build_id option.
12392         * layout.h (class Layout): Declare write_build_id, create_note,
12393         create_build_id.  Add build_id_note_ member.
12394         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12395         "libiberty.h", "md5.h", "sha1.h".
12396         (Layout::Layout): Initialize eh_frame_data_,
12397         eh_frame_hdr_section_, and build_id_note_.
12398         (Layout::finalize): Call create_build_id.
12399         (Layout::create_note): New function, broken out of
12400         Layout::create_gold_note.
12401         (Layout::create_gold_note): Call create_note.
12402         (Layout::create_build_id): New function.
12403         (Layout::write_build_id): New function.
12404         (Close_task_runner::run): Call write_build_id.
12405
12406         * x86_64.cc: Correct license to GPLv3.
12407
12408 2008-03-23  Ian Lance Taylor  <iant@google.com>
12409
12410         * options.cc: Include "demangle.h".
12411         (parse_optional_string): New function.
12412         (parse_long_option): Handle takes_optional_argument.
12413         (parse_short_option): Update dash_z initializer.  Handle
12414         takes_optional_argument.
12415         (General_options::General_options): Initialize do_demangle_.
12416         (General_options::finalize): Set do_demangle_.  Handle demangling
12417         style.
12418         * options.h (parse_optional_string): Declare.
12419         (struct One_option): Add optional_arg field.  Update constructor.
12420         Update call constructor calls.  Add takes_optional_argument
12421         function.
12422         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12423         (DEFINE_optional_string): Define.
12424         (General_options::demangle): Change from DEFINE_bool to
12425         DEFINE_optional_string.
12426         (General_options::no_demangle): New function.
12427         (General_options::do_demangle): New function.
12428         (General_options::set_do_demangle): New function.
12429         (General_options::execstack_status_): Move definition to end of
12430         class definition.
12431         (General_options::static_): Likewise.
12432         (General_options::do_demangle_): New field.
12433         * object.cc (big_endian>::get_symbol_location_info): Call
12434         Options::do_demangle, not Options::demangle.
12435         * symtab.cc (demangle): Likewise.
12436
12437 2008-03-22  Ian Lance Taylor  <iant@google.com>
12438
12439         * gold.h: Include <cstddef> and <sys/types.h>
12440         * options.h: Include <cstring>.
12441
12442 2008-03-21  Ian Lance Taylor  <iant@google.com>
12443
12444         * Added source code to GNU binutils.