* dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
[external/binutils.git] / gold / ChangeLog
1 2012-03-12  Cary Coutant  <ccoutant@google.com>
2
3         * dwarf_reader.cc (Sized_dwarf_line_info::process_one_opcode): Fix
4         handling of DW_LNE_define_file.
5
6 2012-03-12  Cary Coutant  <ccoutant@google.com>
7
8         * reduced_debug_output.cc
9         (Output_reduced_debug_info_section::get_die_end): Add new FORM
10         codes to switch.
11
12 2012-02-29  Cary Coutant  <ccoutant@google.com>
13
14         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
15
16 2012-02-29  Cary Coutant  <ccoutant@google.com>
17
18         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
19         Call Object::decompressed_section_contents.
20         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
21         New dtor.
22         (Sized_dwarf_line_info::buffer_start_): New data member.
23         * merge.cc (Output_merge_data::do_add_input_section): Call
24         Object::decompressed_section_contents.
25         (Output_merge_string::do_add_input_section): Likewise.
26         * object.cc (need_decompressed_section): New function.
27         (build_compressed_section_map): Decompress sections needed later.
28         (Sized_relobj_file::do_decompressed_section_contents): New function.
29         (Sized_relobj_file::do_discard_decompressed_sections): New function.
30         * object.h (Object::decompressed_section_contents): New function.
31         (Object::discard_decompressed_sections): New function.
32         (Object::do_decompressed_section_contents): New function.
33         (Object::do_discard_decompressed_sections): New function.
34         (Compressed_section_info): New type.
35         (Compressed_section_map): Include decompressed section contents.
36         (Sized_relobj_file::do_decompressed_section_contents): New function.
37         (Sized_relobj_file::do_discard_decompressed_sections): New function.
38
39 2012-02-16  Cary Coutant  <ccoutant@google.com>
40
41         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
42         * testsuite/Makefile.in: Regenerate.
43
44 2012-02-14  Cary Coutant  <ccoutant@google.com>
45
46         * options.cc (General_options::finalize): Disallow -pie and -static.
47
48 2012-02-03  Doug Kwan  <dougkwan@google.com>
49
50         * arm.cc (Arm_relocate_functions::abs8,
51         Arm_relocate_functions::abs16): Use
52         Bits::has_signed_unsigned_overflow32.
53         (Arm_relocate_functions::thm_abs8): Correct range of
54         overflow check.
55         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
56         in assertions.
57
58 2012-02-02  Doug Kwan  <dougkwan@google.com>
59
60         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
61         position independent outputs, not just shared objects.
62
63 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
64
65         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
66         * configure: Regenerated.
67
68 2012-01-27  Ian Lance Taylor  <iant@google.com>
69
70         * reloc.h (Bits): New class with static functions, copied from
71         namespace utils in arm.cc.
72         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
73         instead.
74
75 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
76
77         * incremental.cc (write_info_blocks): Correct relocation offset.
78
79 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
80
81         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
82         (Relocate::tls_gd_to_le): Likewise.
83
84 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
85
86         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
87
88 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
89
90         * configure.ac: Check if -mcmodel=medium works.
91         * configure: Regenerated.
92
93 2012-01-24  Cary Coutant  <ccoutant@google.com>
94
95         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
96         definition and ...
97         (read_unsigned_LEB_128_x): ... this new function.
98         (read_signed_LEB_128): Replaced with inline definition and ...
99         (read_signed_LEB_128_x): ... this new function.
100         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
101         (read_unsigned_LEB_128): Add inline definition.
102         (read_signed_LEB_128_x): New function.
103         (read_signed_LEB_128): Add inline definition.
104         * testsuite/Makefile.am (leb128_unittest): New unit test.
105         * testsuite/Makefile.in: Regenerate.
106         * testsuite/leb128_unittest.cc: New unit test.
107
108 2012-01-23  Ian Lance Taylor  <iant@google.com>
109
110         PR gold/13617
111         * i386.cc (Target_i386::do_code_fill): When using a jmp
112         instruction, pad with nop instructions.
113         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
114
115 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
116
117         * x86_64.cc (gc_process_relocs): Add typename on types used in
118         template.
119         (scan_relocs): Likewise.
120         (relocate_section): Likewise.
121         (apply_relocation): Likewise.
122
123 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
124
125         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
126         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
127         under x32.
128
129 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
130
131         * x86_64.cc: Initial support for x32.
132
133 2012-01-03  Cary Coutant  <ccoutant@google.com>
134
135         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
136         Use abstract base class for GOT.
137         * gold/output.h (class Output_data_got_base): New abstract base class.
138         (class Output_data_got): Derive from new base class, adjust ctors.
139         (Output_data_got::reserve_slot): Make virtual; rename to
140         do_reserve_slot; Adjust callers.
141         * gold/target.h (Sized_target::init_got_plt_for_update): Return
142         pointer to abstract base class.
143         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
144
145 2011-12-18  Ian Lance Taylor  <iant@google.com>
146
147         * object.h (Relobj::local_symbol_value): New function.
148         (Relobj::local_plt_offset): New function.
149         (Relobj::local_has_got_offset): New function.
150         (Relobj::local_got_offset): New function.
151         (Relobj::set_local_got_offset): New function.
152         (Relobj::do_local_symbol_value): New pure virtual function.
153         (Relobj::do_local_plt_offset): Likewise.
154         (Relobj::do_local_has_got_offset): Likewise.
155         (Relobj::do_local_got_offset): Likewise.
156         (Relobj::do_set_local_got_offset): Likewise.
157         (Sized_relobj::do_local_has_got_offset): Rename from
158         local_has_got_offset.
159         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
160         (Sized_relobj::do_set_local_got_offset): Rename from
161         set_local_got_offset.
162         (Sized_relobj_file::do_local_plt_offset): Rename from
163         local_plt_offset.
164         (Sized_relobj_file::do_local_symbol_value): New function.
165         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
166         local_plt_offset.
167         * output.cc (Output_data_got::Got_entry::write): Change object to
168         Relobj.  Use local_symbol_value.
169         (Output_data_got::add_global_with_rel): Change rel_dyn to
170         Output_data_reloc_generic*.  Use add_global_generic.
171         (Output_data_got::add_global_with_rela): Remove.  Change all
172         callers to use add_global_with_rel.
173         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
174         Output_data_reloc_generic*.  Use add_global_generic.
175         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
176         callers to use add_global_pair_with_rel.
177         (Output_data_got::add_local): Change object to Relobj*.
178         (Output_data_got::add_local_plt): Likewise.
179         (Output_data_got::add_local_with_rel): Change object to Relobj*,
180         change rel_dyn to Output_data_reloc_generic*.  Use
181         add_local_generic.
182         (Output_data_got::add_local_with_rela): Remove.  Change all
183         callers to use all_local_with_rel.
184         (Output_data_got::add_local_pair_with_rel): Change object to
185         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
186         add_output_section_generic.
187         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
188         callers to use add_local_pair_with_rel.
189         (Output_data_got::reserve_local): Change object to Relobj*.
190         * output.h: (class Output_data_reloc_generic): Add pure virtual
191         declarations for add_global_generic, add_local_generic,
192         add_output_section_generic.
193         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
194         functions for Output_data_reloc_generic.  Update declarations for
195         changes listed in output.cc.
196         (class Output_data_got): Change template parameter to got_size.
197         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
198         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
199         function.
200         (Sized_relobj_incr::do_local_plt_offset): New function.
201         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
202         add_global_generic.
203
204 2011-12-17  Cary Coutant  <ccoutant@google.com>
205
206         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
207         * resolve.cc (Symbol_table::resolve): Likewise.
208         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
209         arrays.
210         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
211
212 2011-12-16  Ian Lance Taylor  <iant@google.com>
213
214         * output.h (Output_data_reloc_generic::add): Only call
215         add_dynamic_reloc if this is a dynamic reloc section.
216
217 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
218
219         PR gold/13505
220         * target-reloc.h (apply_relocation): Replace <64, false> with
221         <size, big_endian>.
222
223 2011-11-25  Nick Clifton  <nickc@redhat.com>
224
225         * po/it.po: New Italian translation.
226
227 2011-11-17  Sterling Augustine  <saugustine@google.com>
228
229         * script.cc (script_include_directive): Implement.
230         (read_script_file): New local variables name and search_path. Update
231         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
232         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
233         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
234
235 2011-11-11  Sterling Augustine  <saugustine@google.com>
236
237         * yyscript.y (section_cmd): Add support for INCLUDE directive.
238         (file_or_sections_cmd): Likewise.
239
240 2011-11-11  Doug Kwan  <dougkwan@google.com>
241
242         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
243         if --just-symbols is given.
244
245 2011-11-10  Doug Kwan  <dougkwan@google.com>
246
247         PR gold/13362
248         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
249         when processing data relocs.
250         * reloc.h (Relocate_functions::rel_unaligned): New method.
251         (Relocate_functions::pcrel_unaligned): Ditto.
252         (Relocate_functions::rel32_unaligned): Ditto.
253         (Relocate_functions::pcrel32_unaligned): Ditto.
254
255 2011-11-09  Doug Kwan  <dougkwan@google.com>
256
257         PR gold/13362
258         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
259         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
260         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
261         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
262         (Relocate_functions::rel_unaligned): New.
263         (Relocate_functions::rel32_unaligned): New.
264         * target-reloc.h (relocate_for_relocatable): Add code to handle
265         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
266         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
267         arm_unaligned_reloc_r): New targets.
268         * testsuite/Makefile.in: Regenerate.
269         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
270         linking.
271
272 2011-11-02  Ian Lance Taylor  <iant@google.com>
273
274         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
275         NATIVE_LINKER.
276         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
277         * options.cc (General_options::finalize): Use library search path
278         from configure script if specified.  If not native and no sysroot,
279         only search TOOLLIBDIR.
280         * options.h (Search_directory::Search_directory): Change name to
281         const std::string&.
282         (General_options::add_to_library_path_with_sysroot): Change arg to
283         const std::string&.
284         * configure, Makefile.in, config.in: Rebuild.
285
286 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
287
288         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
289         we are working around the ARM1176 Erratum.
290         * options.h (General_options::fix_arm1176): Add option.
291         * testsuite/Makefile.am: Add testcases, and keep current ones
292         working.
293         * testsuite/Makefile.in: Regenerate.
294         * testsuite/arm_fix_1176.s: New file.
295         * testsuite/arm_fix_1176.sh: Likewise.
296
297 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
298
299         * arm.cc (Target_arm::Target_arm): Remove initialisation of
300         may_use_blx_.
301         (Target_arm::may_use_blx): Remove method.
302         (Target_arm::set_may_use_blx): Likewise.
303         (Target_arm::may_use_v4t_interworking): New method.
304         (Target_arm::may_use_v5t_interworking): Likewise.
305         (Target_arm::may_use_blx_): Remove member variable.
306         (Arm_relocate_functions::arm_branch_common): Check for v5T
307         interworking.
308         (Arm_relocate_functions::thumb_branch_common): Likewise.
309         (Reloc_stub::stub_type_for_reloc): Likewise.
310         (Target_arm::do_finalize_sections): Correct interworking checks.
311         * testsuite/Makefile.am: Add new tests.
312         * testsuite/Makefile.in: Regenerate.
313         * testsuite/arm_farcall_arm_arm.s: New test.
314         * testsuite/arm_farcall_arm_arm.sh: Likewise.
315         * testsuite/arm_farcall_arm_thumb.s: Likewise.
316         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
317         * testsuite/arm_farcall_thumb_arm.s: Likewise.
318         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
319         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
320         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
321
322 2011-10-31  Cary Coutant  <ccoutant@google.com>
323
324         PR gold/13023
325         * expression.cc (Expression::eval_with_dot): Add
326         is_section_dot_assignment parameter.
327         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
328         absolute and assigning to dot within a section.
329         * script-sections.cc
330         (Output_section_element_assignment::set_section_addresses): Pass
331         dot_section to set_if_absolute.
332         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
333         as is_section_dot_assignment flag to eval_with_dot.
334         (Output_section_element_dot_assignment::set_section_addresses):
335         Likewise.
336         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
337         parameter.  Also set value if relative to dot_section; set the
338         symbol's output_section.
339         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
340         parameter.  Adjust all callers.
341         (Expression::eval_maybe_dot): Likewise.
342         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
343         Adjust all callers.
344         * testsuite/script_test_2.t: Test assignment of an absolute value
345         to dot within an output section element.
346
347 2011-10-31  Cary Coutant  <ccoutant@google.com>
348
349         * options.h (class General_options): Add --[no-]gnu-unique options.
350         * symtab.cc (Symbol_table::sized_write_globals): Convert
351         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
352
353 2011-10-31  Cary Coutant  <ccoutant@google.com>
354
355         PR gold/13359
356         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
357         unnecessary assertion.
358         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
359
360 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
361
362         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
363         gc_mark_symbol.
364         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
365         gc_mark_symbol.
366         Change to just keep the section associated with symbol.
367         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
368         they are externally visible and --export-dynamic is turned on.
369         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
370
371 2011-10-19  Ian Lance Taylor  <iant@google.com>
372
373         PR gold/13163
374         * script-sections.cc
375         (Output_section_element_dot_assignment::needs_output_section): New
376         function.
377
378 2011-10-19  Ian Lance Taylor  <iant@google.com>
379
380         PR gold/13204
381         * layout.cc (Layout::segment_precedes): Don't assert failure if a
382         --section-start option was seen.
383         * options.h (General_options::any_section_start): New function.
384
385 2011-10-18  David S. Miller  <davem@davemloft.net>
386
387         PR binutils/13301
388         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
389         member to track relocation locations that have moved during TLS
390         reloc optimizations.
391         (Target_sparc::Relocate::Relocate): Initialize to NULL.
392         (Target_sparc::Relocate::relocate): Adjust view down by 4
393         bytes if it matches reloc_adjust_addr_.
394         (Target_sparc::Relocate::relocate_tls): Always move the
395         __tls_get_addr call delay slot instruction forward 4 bytes when
396         performing relaxation.
397
398 2011-10-18  Cary Coutant  <ccoutant@google.com>
399
400         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
401         (Output_file::map_no_anonymous): Check for non-zero
402         return code from posix_fallocate.
403
404 2011-10-17  Cary Coutant  <ccoutant@google.com>
405
406         PR gold/13245
407         * plugin.cc (is_visible_from_outside): Check for symbols
408         referenced from dynamic objects.
409         * resolve.cc (Symbol_table::resolve): Don't count references
410         from dynamic objects as references from real ELF files.
411         * testsuite/plugin_test_2.sh: Adjust expected result.
412
413 2011-10-17  Cary Coutant  <ccoutant@google.com>
414
415         * gold.cc: Include timer.h.
416         (queue_middle_tasks): Stamp time.
417         (queue_final_tasks): Likewise.
418         * main.cc (main): Store timer in parameters.  Print timers
419         for each pass.
420         * parameters.cc (Parameters::Parameters): Initialize timer_.
421         (Parameters::set_timer): New function.
422         (set_parameters_timer): New function.
423         * parameters.h (Parameters::set_timer): New function.
424         (Parameters::timer): New function.
425         (Parameters::timer_): New data member.
426         (set_parameters_timer): New function.
427         * timer.cc (Timer::stamp): New function.
428         (Timer::get_pass_time): New function.
429         * timer.h (Timer::stamp): New function.
430         (Timer::get_pass_time): New function.
431         (Timer::pass_times_): New data member.
432
433 2011-10-17  Cary Coutant  <ccoutant@google.com>
434
435         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
436         task for members of lib groups.
437
438 2011-10-17  Cary Coutant  <ccoutant@google.com>
439
440         PR gold/13288
441         * fileread.cc (File_read::find_view): Add assert.
442         (File_read::make_view): Move bounds check (replace with assert)...
443         (File_read::find_or_make_view): ... to here.
444
445 2011-10-12  Cary Coutant  <ccoutant@google.com>
446
447         * output.cc (Output_file::open_base_file): Handle case where
448         ::read returns less than requested size.
449
450 2011-10-10  Cary Coutant  <ccoutant@google.com>
451
452         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
453         Initialize defined_count_.
454         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
455         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
456         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
457         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
458         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
459         * incremental.h (Sized_relobj_incr::defined_count_): New data
460         member.
461         (Sized_incr_dynobj::defined_count_): New data member.
462         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
463         Return zeroes instead of internal error.
464
465 2011-10-10  Cary Coutant  <ccoutant@google.com>
466
467         PR gold/13249
468         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
469         (Output_reloc::symbol_value): Return PLT offset if flag is set.
470         * output.h (class Output_reloc): Add use_plt_offset flag.
471         (Output_reloc::type_): Adjust size of bit field.
472         (Output_reloc::use_plt_offset_): New bit field.
473         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
474         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
475         flag.  Adjust all callers.
476         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
477         creating RELATIVE relocations.
478
479 2011-10-10  Nick Clifton  <nickc@redhat.com>
480
481         * po/es.po: Updated Spanish translation.
482         * po/fi.po: Updated Finnish translation.
483
484 2011-10-03   Diego Novillo  <dnovillo@google.com>
485
486         * options.cc (parse_uint): Fix dereference of RETVAL.
487
488 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
489
490         * layout.h (section_order_map_): New member.
491         (get_section_order_map): New member function.
492         * output.cc (Output_section::add_input_section): Check for patterns
493         only when --section-ordering-file is specified.
494         * gold.cc (queue_middle_tasks): Delay updating order of sections till
495         output_sections have been formed.
496         * layout.cc (Layout_Layout): Initialize section_order_map_.
497         * plugin.cc (update_section_order): Store order in order_map. Do not
498         update the order.
499         * testsuite/Makefile.am: Add test case for plugin_final_layout.
500         * testsuite/Makefile.in: Regenerate.
501         * testsuite/plugin_section_order.c: New file.
502         * testsuite/plugin_final_layout.cc: New file.
503         * testsuite/plugin_final_layout.sh: New file.
504
505 2011-09-29  Cary Coutant  <ccoutant@google.com>
506
507         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
508         Check for NULL.
509         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
510         symbols during incremental update.
511         (Symbol_table::add_from_dynobj): Likewise.
512
513 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
514             Ian Lance Taylor  <iant@google.com>
515
516         * symtab.cc (Symbol_table::define_special_symbol): Always
517         canonicalize version string.
518
519 2011-09-26  Cary Coutant  <ccoutant@google.com>
520
521         * gold.cc (queue_initial_tasks): Move option checks ...
522         * options.cc (General_options::finalize): ... to here. Disable
523         some options; make others fatal.
524
525 2011-09-26  Cary Coutant  <ccoutant@google.com>
526
527         gcc PR lto/47247
528         * plugin.cc (get_symbols_v2): New function.
529         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
530         (is_referenced_from_outside): New function.
531         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
532         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
533         (get_symbols): Pass version parameter.
534         (get_symbols_v2): New function.
535         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
536         parameter.
537         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
538         (onload): Add LDPT_GET_SYMBOLS_V2.
539         (all_symbols_read_hook): Use get_symbols_v2; check for
540         LDPR_PREVAILING_DEF_IRONLY_EXP.
541         * testsuite/plugin_test_3.sh: Update expected results.
542
543 2011-09-23  Simon Baldwin  <simonb@google.com>
544
545         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
546         configuration options.
547         * configure: Regenerate.
548         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
549         * Makefile.in: Regenerate.
550         * testsuite/Makefile.in: Regenerate.
551
552 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
553
554         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
555
556 2011-09-19  Cary Coutant  <ccoutant@google.com>
557
558         * incremental.cc (can_incremental_update): Fix typo in comment.
559         * incremental.h (can_incremental_update): Likewise.
560
561 2011-09-18  Cary Coutant  <ccoutant@google.com>
562
563         * incremental.cc (can_incremental_update): New function.
564         * incremental.h (can_incremental_update): New function.
565         * layout.cc (Layout::init_fixed_output_section): Call it.
566         (Layout::make_output_section): Don't allow patch space in .eh_frame.
567         * object.cc (Sized_relobj_file::do_layout): Call
568         can_incremental_update.
569
570 2011-09-13  Cary Coutant  <ccoutant@google.com>
571
572         * configure.ac: Check for glibc support for gnu_indirect_function
573         support with static linking, setting automake conditional
574         IFUNC_STATIC.
575         * Makefile.in: Regenerate.
576         * configure: Regenerate.
577
578         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
579         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
580         for IFUNC_STATIC.
581         * testsuite/Makefile.in: Regenerate.
582
583 2011-09-13  Cary Coutant  <ccoutant@google.com>
584
585         * incremental.cc (Sized_relobj_incr::do_layout): Call
586         report_comdat_group for kept comdat sections.
587         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
588         * testsuite/Makefile.in: Regenerate.
589         * testsuite/incr_comdat_test_1.cc: New source file.
590         * testsuite/incr_comdat_test_2_v1.cc: New source file.
591         * testsuite/incr_comdat_test_2_v2.cc: New source file.
592         * testsuite/incr_comdat_test_2_v3.cc: New source file.
593
594 2011-09-13  Ian Lance Taylor  <iant@google.com>
595
596         * object.cc (Sized_relobj_file::do_layout): Remove unused local
597         variable external_symbols_offset.
598
599 2011-09-12  Ian Lance Taylor  <iant@google.com>
600
601         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
602         triggered if object has no symbols.
603
604 2011-09-09  David S. Miller  <davem@davemloft.net>
605
606         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
607         (Output_fill_debug_line::do_write): Likewise.
608
609 2011-08-29  Cary Coutant  <ccoutant@google.com>
610
611         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
612         casts to match formatting specs.
613         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
614
615 2011-08-26  Cary Coutant  <ccoutant@google.com>
616
617         * layout.cc (Free_list::allocate): Provide guarantee of minimum
618         remaining hole size when allocating.
619         (Layout::make_output_section): Set fill methods for debug sections.
620         * layout.h (Free_list::Free_list_node): Move from private to
621         public.
622         (Free_list::set_min_hole_size): New function.
623         (Free_list::begin, Free_list::end): New functions.
624         (Free_list::min_hole_): New data member.
625         * output.cc: Include dwarf.h.
626         (Output_fill_debug_info::do_minimum_hole_size): New function.
627         (Output_fill_debug_info::do_write): New function.
628         (Output_fill_debug_line::do_minimum_hole_size): New function.
629         (Output_fill_debug_line::do_write): New function.
630         (Output_section::Output_section): Initialize new data member.
631         (Output_section::set_final_data_size): Ensure patch space is larger
632         than minimum hole size.
633         (Output_section::do_write): Fill holes in debug sections.
634         * output.h (Output_fill): New class.
635         (Output_fill_debug_info): New class.
636         (Output_fill_debug_line): New class.
637         (Output_section::set_free_space_fill): New function.
638         (Output_section::free_space_fill_): New data member.
639         * testsuite/Makefile.am (incremental_test_3): Add
640         --incremental-patch option.
641         (incremental_test_4): Likewise.
642         (incremental_test_5): Likewise.
643         (incremental_test_6): Likewise.
644         (incremental_copy_test): Likewise.
645         (incremental_common_test_1): Likewise.
646         * testsuite/Makefile.in: Regenerate.
647
648 2011-08-26  Nick Clifton  <nickc@redhat.com>
649
650         * po/es.po: Updated Spanish translation.
651
652 2011-08-01  Cary Coutant  <ccoutant@google.com>
653
654         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
655         * gold/testsuite/Makefile.in: Regenerate.
656         * gold/testsuite/justsyms_exec.c: New source file.
657         * gold/testsuite/justsyms_lib.c: New source file.
658
659 2011-08-01  Cary Coutant  <ccoutant@google.com>
660
661         * layout.cc (Layout::set_segment_offsets): Don't realign text
662         segment if -Ttext was specified.
663         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
664         file type.
665         * object.h (Sized_relobj_file::e_type): New function.
666         (Sized_relobj_file::e_type_): New data member.
667         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
668         base address for ET_EXEC files.
669         * target.cc (Target::do_make_elf_object_implementation): Allow
670         ET_EXEC files with --just-symbols option.
671
672 2011-07-28  Cary Coutant  <ccoutant@google.com>
673
674         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
675         Add thread_number parameter.
676         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
677         * workqueue-threads.cc
678         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
679         current thread if its thread number is greater than desired thread
680         count.
681         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
682         Add thread_number parameter.
683         (Workqueue::should_cancel_thread): Likewise.
684         (Workqueue::find_runnable_or_wait): Pass thread_number to
685         should_cancel_thread.
686         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
687         parameter.
688
689 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
690
691         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
692         only after checking if it cannot be forced local.
693         * symtab.h (is_externally_visible): Check if the symbol is not forced
694         local.
695
696 2011-07-15  Ian Lance Taylor  <iant@google.com>
697
698         * options.h (class General_options): Add --print-output-format.
699         Move -EL next to -EB, for  better --help output.
700         * target-select.cc: Include <cstdio>, "options.h", and
701         "parameters.h".
702         (Target_selector::do_target_bfd_name): New function.
703         (print_output_format): New function.
704         * target-select.h (class Target_selector): Update declarations.
705         (Target_selector::target_bfd_name): New function.
706         (print_output_format): Declare.
707         * main.cc: Include "target-select.h".
708         (main): Handle --print-output-format.
709         * gold.cc: Include "target-select.h".
710         (queue_initial_tasks): Handle --print-output-format when there are
711         no input files.
712         * parameters.cc (parameters_force_valid_target): Give a better
713         error message if -EB/-EL does not match target.
714         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
715         function.
716
717 2011-07-15  Ian Lance Taylor  <iant@google.com>
718
719         * i386.cc (class Output_data_plt_i386): Add layout_ field.
720         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
721         (Output_data_plt_i386::do_write): Write address of .dynamic
722         section to first entry in .got.plt section.
723         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
724         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
725         Initialize layout_.
726         (Output_data_plt_x86_64::do_write): Write address of .dynamic
727         section to first entry in .got.plt section.
728         * layout.h (Layout::dynamic_section): New function.
729
730 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
731
732         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
733         to claim_file call.
734         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
735         input_section_position_, and input_section_glob_.
736         (read_layout_from_file): Call function section_ordering_specified.
737         * layout.h (is_section_ordering_specified): New function.
738         (section_ordering_specified): New function.
739         (section_ordering_specified_): New boolean member.
740         * main.cc(main): Call load_plugins after layout object is defined.
741         * output.cc (Output_section::add_input_section): Use
742         function section_ordering_specified to check if section ordering is
743         needed.
744         * output.cc (Output_section::add_relaxed_input_section): Use
745         function section_ordering_specified to check if section ordering is
746         needed.
747         (Output_section::update_section_layout): New function.
748         (Output_section::sort_attached_input_sections): Check if input section
749         must be reordered.
750         * output.h (Output_section::update_section_layout): New function.
751         * plugin.cc (get_section_count): New function.
752         (get_section_type): New function.
753         (get_section_name): New function.
754         (get_section_contents): New function.
755         (update_section_order): New function.
756         (allow_section_ordering): New function. 
757         (Plugin::load): Add the new interfaces to the transfer vector.
758         (Plugin_manager::load_plugins): New parameter.
759         (Plugin_manager::all_symbols_read): New parameter.
760         (Plugin_manager::claim_file): New parameter. Save the elf object for
761         unclaimed objects.
762         (Plugin_manager::get_elf_object): New function.
763         (Plugin_manager::get_view): Change to directly use the bool to check
764         if get_view is called from claim_file_hook.
765         * plugin.h (input_objects): New function
766         (Plugin__manager::load_plugins): New parameter.
767         (Plugin_manager::claim_file): New parameter.
768         (Plugin_manager::get_elf_object): New function.
769         (Plugin_manager::in_claim_file_handler): New function.
770         (Plugin_manager::in_claim_file_handler_): New member.
771         (layout): New function.
772         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
773         handler with an extra parameter. Make the elf object before calling
774         claim_file handler.
775         * testsuite/plugin_test.c (get_section_count): New function pointer.
776         (get_section_type): New function pointer.
777         (get_section_name): New function pointer.
778         (get_section_contents): New function pointer.
779         (update_section_order): New function pointer.
780         (allow_section_ordering): New function pointer.
781         (onload): Check if the new interfaces exist.
782
783 2011-07-13  Ian Lance Taylor  <iant@google.com>
784
785         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
786         relro section.
787         * x86_64.cc (Target_x86_64::got_section): Likewise.
788         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
789         (relro_now_test_SOURCES): New variable.
790         (relro_now_test_DEPENDENCIES): New variable.
791         (relro_now_test_LDFLAGS): New variable.
792         (relro_now_test_LDADD): New variable.
793         (relro_now_test.so): New target.
794         * testsuite/Makefile.in: Rebuild.
795
796 2011-07-12  Ian Lance Taylor  <iant@google.com>
797
798         PR gold/12980
799         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
800         GLOB_DAT relocation rather than a RELATIVE relocation for a
801         protected symbol when creating a shared library.
802         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
803         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
804         * testsuite/protected_main_1.cc (main): Test that protected
805         function has same address.
806
807 2011-07-11  Ian Lance Taylor  <iant@google.com>
808
809         PR gold/12979
810         * options.h (class General_options): Add -Bgroup.
811         * options.cc (General_options::finalize): If -Bgroup is set,
812         default to --unresolved-symbols=report-all.
813         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
814         * target-reloc.h (issue_undefined_symbol_error): Handle
815         --unresolved-symbols=report-all.
816
817 2011-07-08  Ian Lance Taylor  <iant@google.com>
818
819         PR gold/11985
820         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
821         if linker script discards key sections.
822         (Layout::create_dynamic_symtab): Likewise.
823         (Layout::assign_local_dynsym_offsets): Likewise.
824         (Layout::sized_create_version_sections): Likewise.
825         (Layout::create_interp): Likewise.
826         (Layout::finish_dynamic_section): Likewise.
827         (Layout::set_dynamic_symbol_size): Likewise.
828
829 2011-07-08  Ian Lance Taylor  <iant@google.com>
830
831         PR gold/12386
832         * options.h (class General_options): Add --unresolved-symbols.
833         * target-reloc.h (issue_undefined_symbol_error): Check
834         --unresolved-symbols.  Add comments.
835
836 2011-07-08  Ian Lance Taylor  <iant@google.com>
837
838         * testsuite/odr_violation2.cc (Ordering::operator()): Make
839         expression more complex.
840
841 2011-07-08  Ian Lance Taylor  <iant@google.com>
842
843         PR gold/11317
844         * target-reloc.h (issue_undefined_symbol_error): New inline
845         function, broken out of relocate_section.
846         (relocate_section): Call issue_undefined_symbol_error.
847         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
848         there is no TLS segment if we are about to issue an undefined
849         symbol error.
850         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
851
852 2011-07-08  Ian Lance Taylor  <iant@google.com>
853
854         PR gold/12279
855         * resolve.cc (Symbol_table::should_override): Add fromtype
856         parameter.  Change all callers.  Give error when linking together
857         TLS and non-TLS symbol.
858         (Symbol_table::should_override_with_special): Add fromtype
859         parameter.  Change all callers.
860         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
861         there is no TLS segment if we have reported some errors.
862         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
863
864 2011-07-08  Ian Lance Taylor  <iant@google.com>
865
866         PR gold/12372
867         * target.h (Target::plt_address_for_global): New function.
868         (Target::plt_address_for_local): New function.
869         (Target::plt_section_for_global): Remove.
870         (Target::plt_section_for_local): Remove.
871         (Target::do_plt_address_for_global): New virtual function.
872         (Target::do_plt_address_for_local): New virtual function.
873         (Target::do_plt_section_for_global): Remove.
874         (Target::do_plt_section_for_local): Remove.
875         (Target::register_global_plt_entry): Add Symbol_table and Layout
876         parameters.
877         * output.cc (Output_data_got::Got_entry::write): Use
878         plt_address_for_global and plt_address_for_local.
879         * layout.cc (Layout::add_target_dynamic_tags): Use size and
880         address of output section.
881         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
882         got_irelative_, and irelative_count_ fields.  Update
883         declarations.
884         (Output_data_plt_i386::has_irelative_section): New function.
885         (Output_data_plt_i386::entry_count): Add irelative_count_.
886         (Output_data_plt_i386::set_final_data_size): Likewise.
887         (class Target_i386): Add got_irelative_ and rel_irelative_
888         fields.  Update declarations.
889         (Target_i386::Target_i386): Initialize new fields.
890         (Target_i386::do_plt_address_for_global): New function replacing
891         do_plt_section_for_global.
892         (Target_i386::do_plt_address_for_local): New function replacing
893         do_plt_section_for_local.
894         (Target_i386::got_section): Create got_irelative_.
895         (Target_i386::rel_irelative_section): New function.
896         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
897         fields.  Don't define __rel_iplt_{start,end}.
898         (Output_data_plt_i386::add_entry): Add symtab and layout
899         parameters.  Change all callers.  Use different PLT and GOT for
900         IFUNC symbols.
901         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
902         layout parameters.  Change all callers.  Use different PLT and
903         GOT.
904         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
905         (Output_data_plt_i386::rel_irelative): New function.
906         (Output_data_plt_i386::address_for_global): New function.
907         (Output_data_plt_i386::address_for_local): New function.
908         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
909         IRELATIVE GOT when changing IFUNC GOT entries.
910         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
911         reloc.
912         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
913         if we didn't create an IRELATIVE GOT.
914         (Target_i386::Relocate::relocate): Use plt_address_for_global and
915         plt_address_for_local.
916         (Target_i386::do_dynsym_value): Use plt_address_for_global.
917         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
918         got_irelative_, and irelative_count_ fields.  Update
919         declarations.
920         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
921         Initialize new fields.  Remove symtab parameter.  Change all
922         callers.
923         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
924         irelative_count_.
925         (Output_data_plt_x86_64::has_irelative_section): New function.
926         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
927         (class Target_x86_64): Add got_irelative_ and rel_irelative_
928         fields.  Update declarations.
929         (Target_x86_64::Target_x86_64): Initialize new fields.
930         (Target_x86_64::do_plt_address_for_global): New function replacing
931         do_plt_section_for_global.
932         (Target_x86_64::do_plt_address_for_local): New function replacing
933         do_plt_section_for_local.
934         (Target_x86_64::got_section): Create got_irelative_.
935         (Target_x86_64::rela_irelative_section): New function.
936         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
937         all callers.  Don't create __rel_iplt_{start,end}.
938         (Output_data_plt_x86_64::add_entry): Add symtab and layout
939         parameters.  Change all callers.  Use different PLT and GOT for
940         IFUNC symbols.
941         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
942         layout parameters.  Change all callers.  Use different PLT and
943         GOT.
944         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
945         parameters.  Change all callers.  Use different PLT and GOT for
946         IFUNC symbols.
947         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
948         (Output_data_plt_x86_64::rela_irelative): New function.
949         (Output_data_plt_x86_64::address_for_global): New function.
950         (Output_data_plt_x86_64::address_for_local): New function.
951         (Output_data_plt_x86_64::set_final_data_size): Likewise.
952         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
953         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
954         (Target_x86_64::register_global_plt_entry): Add symtab and layout
955         parameters.
956         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
957         reloc.
958         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
959         symbols if we didn't create an IRELATIVE GOT.
960         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
961         plt_address_for_local.
962         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
963         * testsuite/ifuncvar1.c: New test file.
964         * testsuite/ifuncvar2.c: New test file.
965         * testsuite/ifuncvar3.c: New test file.
966         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
967         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
968         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
969         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
970         * testsuite/Makefile.in: Rebuild.
971
972 2011-07-07  Cary Coutant  <ccoutant@google.com>
973
974         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
975         (two_file_test_1_ndebug.o): Likewise.
976         (two_file_test_1b_ndebug.o): Likewise.
977         (two_file_test_2_ndebug.o): Likewise.
978         (two_file_test_main_ndebug.o): Likewise.
979         (incremental_test_2): Link with no-debug versions.
980
981 2011-07-06  Cary Coutant  <ccoutant@google.com>
982
983         * gold/incremental.cc
984         (Output_section_incremental_inputs::write_info_blocks): Check for
985         hidden and internal symbols.
986
987 2011-07-06  Cary Coutant  <ccoutant@google.com>
988
989         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
990         Check disposition for startup file.
991         (Incremental_inputs::report_command_line): Ignore
992         --incremental-startup-unchanged option.
993         * options.cc (General_options::parse_incremental_startup_unchanged):
994         New function.
995         (General_options::General_options): Initialize new data member.
996         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
997         (General_options): Add --incremental-startup-unchanged option.
998         (General_options::incremental_startup_disposition): New function.
999         (General_options::incremental_startup_disposition_): New data member.
1000
1001 2011-07-06  Cary Coutant  <ccoutant@google.com>
1002
1003         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
1004         input file index to Script_info ctor.
1005         (Sized_incremental_binary::do_file_has_changed): Find the
1006         command-line argument for files named in scripts.
1007         * incremental.h (Script_info::Script_info): New ctor
1008         with input file index.
1009         (Script_info::input_file_index): New function.
1010         (Script_info::input_file_index_): New data member.
1011         (Incremental_binary::get_library): Add const.
1012         (Incremental_binary::get_script_info): Add const.
1013         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1014         * testsuite/Makefile.am (incremental_test_5): New test case.
1015         (incremental_test_6): New test case.
1016         * testsuite/Makefile.in: Regenerate.
1017
1018 2011-07-06  Cary Coutant  <ccoutant@google.com>
1019
1020         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1021         debug output when command lines differ.
1022
1023 2011-07-06  Cary Coutant  <ccoutant@google.com>
1024
1025         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1026         --incremental-patch option.
1027         * layout.cc (Free_list::allocate): Extend allocation beyond original
1028         end if enabled.
1029         (Layout::make_output_section): Mark sections that should get
1030         patch space.
1031         * options.cc (parse_percent): New function.
1032         * options.h (parse_percent): New function.
1033         (DEFINE_percent): New macro.
1034         (General_options): Add --incremental-patch option.
1035         * output.cc (Output_section::Output_section): Initialize new data
1036         members.
1037         (Output_section::add_input_section): Print section name when out
1038         of patch space.
1039         (Output_section::add_output_section_data): Likewise.
1040         (Output_section::set_final_data_size): Add patch space when
1041         doing --incremental-full.
1042         (Output_section::do_reset_address_and_file_offset): Remove patch
1043         space.
1044         (Output_segment::set_section_list_addresses): Print debug output
1045         only if --incremental-update.
1046         * output.h (Output_section::set_is_patch_space_allowed): New function.
1047         (Output_section::is_patch_space_allowed_): New data member.
1048         (Output_section::patch_space_): New data member.
1049         * parameters.cc (Parameters::incremental_full): New function.
1050         * parameters.h (Parameters::incremental_full): New function
1051         * testsuite/Makefile.am (incremental_test_2): Add test for
1052         --incremental-patch option.
1053         * testsuite/Makefile.in: Regenerate.
1054         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1055         (t18): Remove function body.
1056
1057 2011-07-05  Doug Kwan  <dougkwan@google.com>
1058
1059         PR gold/12771
1060         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1061         Arm_Address type for relocation result.
1062         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1063         overflow check.
1064         (Arm_relocate_functions::abs32): Use unaligned access.
1065         (Arm_relocate_functions::rel32): Ditto.
1066         (Arm_relocate_functions::prel31): Ditto.
1067         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1068         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1069         static data relocations.
1070         * testsuite/Makefile.in: Regnerate.
1071         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1072
1073 2011-07-05  Ian Lance Taylor  <iant@google.com>
1074
1075         PR gold/12392
1076         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1077         symbols if necessary.
1078         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1079
1080 2011-07-05  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/12952
1083         * resolve.cc (Symbol::override_base_with_special): Simply override
1084         version with special symbol version, ignoring previous version.
1085
1086 2011-07-05  Ian Lance Taylor  <iant@google.com>
1087
1088         * object.cc (Sized_relobj_file::include_section_group): Add
1089         information to comment about signature location.
1090
1091 2011-07-02  Ian Lance Taylor  <iant@google.com>
1092
1093         PR gold/12957
1094         * options.h (class General_options): Add -f and -F.
1095         * options.cc (General_options::finalize): Fatal error if -f/-F
1096         are used without -shared.
1097         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1098
1099 2011-07-02  Ian Lance Taylor  <iant@google.com>
1100
1101         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1102
1103 2011-07-01  Ian Lance Taylor  <iant@google.com>
1104
1105         PR gold/12525
1106         PR gold/12952
1107         * resolve.cc (Symbol::override_base_with_special): Don't override
1108         the version if the overriding symbol has a different name.
1109         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1110         all callers.  If we give an error about an undefined version,
1111         define the base version if necessary.
1112         * dynobj.h (class Versions): Update declaration.
1113         * testsuite/weak_alias_test_5.cc: New file.
1114         * testsuite/weak_alias_test.script: New file.
1115         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1116         and versioned_alias have the right value, and call t2.
1117         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1118         weak_alias_test_5.so.
1119         (weak_alias_test_LDADD): Likewise.
1120         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1121         * testsuite/Makefile.in: Rebuild.
1122
1123 2011-07-01  Ian Lance Taylor  <iant@google.com>
1124
1125         PR gold/12525
1126         * options.h (class General_options): Support -z notext.
1127         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1128         -Wl,-z,notext.
1129         (two_file_shared_nonpic.so): Likewise.
1130         (two_file_shared_mixed.so): Likewise.
1131         (two_file_shared_mixed_1.so): Likewise.
1132         (weak_undef_lib_nonpic.so): Likewise.
1133         (alt/weak_undef_lib_nonpic.so): Likewise.
1134         (tls_test_shared_nonpic.so): Likewise.
1135         * testsuite/Makefile.in: Rebuild.
1136
1137 2011-07-01  Ian Lance Taylor  <iant@google.com>
1138
1139         PR gold/12525
1140         * configure.ac: Test whether static linking works, setting
1141         the automake conditional HAVE_STATIC.
1142         * testsuite/Makefile.am: Disable tests using -static if
1143         HAVE_STATIC is not true.
1144         * configure, testsuite/Makefile.in: Rebuild.
1145
1146 2011-07-01  Ian Lance Taylor  <iant@google.com>
1147
1148         PR gold/12525
1149         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1150         Assert if we see DW_EH_PE_indirect.
1151         * target.h (Target::ehframe_datarel_base): New function.
1152         (Target::do_ehframe_datarel_base): New target function.
1153         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1154         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1155         function.
1156
1157 2011-07-01  Ian Lance Taylor  <iant@google.com>
1158
1159         PR gold/12571
1160         * options.h (class General_options): Add
1161         --ld-generated-unwind-info.
1162         * ehframe.cc (Fde::write): Add address parameter.  Change all
1163         callers.  If associated with PLT, fill in address and size.
1164         (Cie::set_output_offset): Only add merge mapping if there is an
1165         object.
1166         (Cie::write): Add address parameter.  Change all callers.
1167         (Eh_frame::add_ehframe_for_plt): New function.
1168         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1169         input_offset_ fields into union u_, with new plt field.
1170         (Fde::Fde): Adjust for new union field.
1171         (Fde::Fde) [Output_data version]: New constructor.
1172         (Fde::add_mapping): Only add merge mapping if there is an object.
1173         (class Cie): Update declarations.
1174         (class Eh_frame): Declare add_ehframe_for_plt.
1175         * layout.cc (Layout::layout_eh_frame): Break out code into
1176         make_eh_frame_section, and call it.
1177         (Layout::make_eh_frame_section): New function.
1178         (Layout::add_eh_frame_for_plt): New function.
1179         * layout.h (class Layout): Update declarations.
1180         * merge.cc (Merge_map::add_mapping): Add assertion.
1181         * i386.cc: Include "dwarf.h".
1182         (class Output_data_plt_i386): Make first_plt_entry,
1183         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1184         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1185         and plt_eh_frame_fde.
1186         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1187         boundary.  Call add_eh_frame_for_plt if appropriate.
1188         * x86_64.cc: Include "dwarf.h".
1189         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1190         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1191         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1192         and plt_eh_frame_fde.
1193         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1194         appropriate.
1195
1196 2011-06-29  Ian Lance Taylor  <iant@google.com>
1197
1198         PR gold/12629
1199         * object.cc (Sized_relobj_file::layout_section): Change shdr
1200         parameter to be const.
1201         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1202         out of do_layout.
1203         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1204         appropriate.  Call layout_eh_frame_section.
1205         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1206         sections.
1207         * object.h (class Sized_relobj_file): Update declarations.
1208
1209 2011-06-29  Ian Lance Taylor  <iant@google.com>
1210
1211         PR gold/12652
1212         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1213         modifier.
1214         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1215
1216 2011-06-29  Ian Lance Taylor  <iant@google.com>
1217
1218         PR gold/12675
1219         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1220         SHT_X86_64_UNWIND.
1221         * layout.cc (Layout::layout_eh_frame): Likewise.
1222
1223 2011-06-29  Ian Lance Taylor  <iant@google.com>
1224
1225         PR gold/12695
1226         * layout.cc (Layout::symtab_section_shndx): New function.
1227         * layout.h (class Layout): Declare symtab_section_shndx.
1228         * output.cc (Output_section::write_header): Call it.
1229
1230 2011-06-29  Ian Lance Taylor  <iant@google.com>
1231
1232         PR gold/12818
1233         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1234         symbols which are not used in a relocation.
1235
1236 2011-06-28  Ian Lance Taylor  <iant@google.com>
1237
1238         PR gold/12898
1239         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1240         script create indistinguishable segments.
1241         (Layout::set_segment_offsets): Use stable_sort when sorting
1242         segments.  Pass this to Compare_segments constructor.
1243         * layout.h (class Layout): Make segment_precedes non-static.
1244         (class Compare_segments): Change from struct to class.  Add
1245         layout_ field.  Add constructor.
1246         * script-sections.cc
1247         (Script_sections::attach_sections_using_phdrs_clause): Rename
1248         local orphan to is_orphan.  Don't report failure to put empty
1249         section in segment.  On attachment failure, report name of
1250         section, and attach to first PT_LOAD segment.
1251
1252 2011-06-28  Ian Lance Taylor  <iant@google.com>
1253
1254         PR gold/12934
1255         * target-select.cc (Target_selector::Target_selector): Add
1256         emulation parameter.  Change all callers.
1257         (select_target_by_bfd_name): Rename from select_target_by_name.
1258         Change all callers.
1259         (select_target_by_emulation): New function.
1260         (supported_emulation_names): New function.
1261         * target-select.h (class Target_selector): Add emulation_ field.
1262         Update declarations.
1263         (Target_selector::recognize_by_bfd_name): Rename from
1264         recognize_by_name.  Change all callers.
1265         (Target_selector::supported_bfd_names): Rename from
1266         supported_names.  Change all callers.
1267         (Target_selector::recognize_by_emulation): New function.
1268         (Target_selector::supported_emulations): New function.
1269         (Target_selector::emulation): New function.
1270         (Target_selector::do_recognize_by_bfd_name): Rename from
1271         do_recognize_by_name.  Change all callers.
1272         (Target_selector::do_supported_bfd_names): Rename from
1273         do_supported_names.  Change all callers.
1274         (Target_selector::do_recognize_by_emulation): New function.
1275         (Target_selector::do_supported_emulations): New function.
1276         (select_target_by_bfd_name): Change name in declaration.
1277         (select_target_by_emulation): Declare.
1278         (supported_emulation_names): Declare.
1279         * parameters.cc (parameters_force_valid_target): Try to find
1280         target based on emulation from -m option.
1281         * options.h (class General_options): Change doc string for -m.
1282         * options.cc (help): Print emulations.
1283         (General_options::parse_V): Likewise.
1284         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1285         Add emulation parameter.  Change all callers.
1286
1287 2011-06-28  Ian Lance Taylor  <iant@google.com>
1288
1289         * target.h (class Target): Add osabi_ field.
1290         (Target::osabi): New function.
1291         (Target::set_osabi): New function.
1292         (Target::Target): Initialize osabi_.
1293         (Target::do_adjust_elf_header): Make pure virtual.
1294         (Sized_target::do_adjust_elf_header): Declare.
1295         * target.cc (Sized_target::do_adjust_elf_header): New function.
1296         (class Sized_target): Instantiate all versions.
1297         * freebsd.h (class Target_freebsd): Remove.
1298         (Target_selector_freebsd::do_recognize): Call set_osabi on
1299         Target.
1300         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1301         (Target_selector_freebsd::set_osabi): Remove.
1302         * i386.cc (class Target_i386): Inherit from Sized_target rather
1303         than Target_freebsd.
1304         * x86_64.cc (class Target_x86_64): Likewise.
1305
1306 2011-06-28  Ian Lance Taylor  <iant@google.com>
1307
1308         * target.h (Target::can_check_for_function_pointers): Rewrite.
1309         Make non-virtual.
1310         (Target::can_icf_inline_merge_sections): Likewise.
1311         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1312         (Target::Target_info): Add can_icf_inline_merge_sections field.
1313         (Target::do_can_check_for_function_pointers): New virtual
1314         function.
1315         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1316         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1317         from can_check_for_function_pointers, move in file.
1318         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1319         section_may_have_icf_unsafe_poineters, move in file.
1320         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1321         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1322         Rename from can_check_for_function_pointers, move in file.
1323         (Target_i386::can_icf_inline_merge_sections): Remove.
1324         (Target_i386::i386_info): Initialize
1325         can_icf_inline_merge_sections.
1326         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1327         Initialize can_icf_inline_merge_sections.
1328         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1329         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1330         Rename from can_check_for_function_pointers, move in file.
1331         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1332         (Target_x86_64::x86_64_info): Initialize
1333         can_icf_inline_merge_sections.
1334         * testsuite/testfile.cc (Target_test::test_target_info):
1335         Likewise.
1336         * icf.cc (get_section_contents): Correct formatting.
1337
1338 2011-06-27  Ian Lance Taylor  <iant@google.com>
1339
1340         * symtab.cc (Symbol::versioned_name): New function.
1341         (Symbol_table::add_to_final_symtab): Use versioned_name when
1342         appropriate.
1343         (Symbol_table::sized_write_symbol): Likewise.
1344         * symtab.h (class Symbol): Declare versioned_name.
1345         * stringpool.h (class Stringpool_template): Add variant of add
1346         which takes a std::basic_string.
1347         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1348         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1349         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1350         (ver_test_12.o): New target.
1351         * testsuite/Makefile.in: Rebuild.
1352
1353 2011-06-27  Doug Kwan  <dougkwan@google.com>
1354
1355         * arm.cc (Arm_relocate_functions::thm_jump8,
1356         Arm_relocate_functions::thm_jump11): Use a wider signed
1357         type to compute offset.
1358         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1359         arm_thm_jump8.
1360         * testsuite/Makefile.in: Regenerate.
1361         * testsuite/arm_branch_in_range.sh: Check test results of
1362         arm_thm_jump11 and arm_thm_jump8.
1363         * testsuite/arm_thm_jump11.s: New test source file.
1364         * testsuite/arm_thm_jump11.t: New linker script.
1365         * testsuite/arm_thm_jump8.s: New test source file.
1366         * testsuite/arm_thm_jump8.t: New linker script.
1367
1368 2011-06-24  Ian Lance Taylor  <iant@google.com>
1369
1370         * layout.cc: Include "object.h".
1371         (ctors_sections_in_init_array): New static variable.
1372         (Layout::is_ctors_in_init_array): New function.
1373         (Layout::layout): Add entry to ctors_sections_in_init_array if
1374         appropriate.
1375         * layout.h (class Layout): Declare is_ctors_in_init_array.
1376         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1377         is_ctors_reverse_view is set.
1378         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1379         all callers.  Set is_ctors_reverse_view field of View_size.
1380         (Sized_relobj_file::reverse_words): New function.
1381         * object.h (Sized_relobj_file::View_size): Add
1382         is_ctors_reverse_view field.
1383         (class Sized_relobj_file): Update declarations.
1384         * testsuite/initpri3.c: New test.
1385         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1386         initpri3b.
1387         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1388         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1389         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1390         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1391         * testsuite/Makefile.in: Rebuild.
1392
1393 2011-06-24  Cary Coutant  <ccoutant@google.com>
1394
1395         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1396         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1397         (debug_msg_cdebug.err): New targets.
1398         * testsuite/Makefile.in: Regenerate.
1399         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1400         Fix checks for link with shared library.
1401
1402 2011-06-24  Doug Kwan  <dougkwan@google.com>
1403
1404         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1405         skip empty text sections.
1406         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1407
1408 2011-06-22  Ian Lance Taylor  <iant@google.com>
1409
1410         PR gold/12910
1411         * options.h (class General_options): Add --ctors-in-init-array.
1412         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1413         friends as SHT_PROGBITS for merging sections.
1414         (Layout::layout): Remove special handling of .init_array and
1415         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1416         and .dtors if ctors_in_init_array.
1417         (Layout::make_output_section): Force correct section types for
1418         .init_array and friends.  Don't sort if doing relocatable link,
1419         Don't sort .ctors and .dtors if ctors_in_init_array.
1420         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1421         (Layout::output_section_name): Add relobj parameter.  Change all
1422         callers.  Handle .ctors. and .dtors. in code rather than table.
1423         Handle .ctors and .dtors if ctors_in_init_array.
1424         (Layout::match_file_name): New function, moved from output.cc.
1425         * layout.h (class Layout): Update declarations.
1426         * output.cc: Include "layout.h".
1427         (Input_section_sort_entry::get_priority): New function.
1428         (Input_section_sort_entry::match_file_name): Just call
1429         Layout::match_file_name.
1430         (Output_section::Input_section_sort_init_fini_compare::operator()):
1431         Handle .ctors and .dtors.  Sort by explicit priority rather than
1432         by name.
1433         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1434         * testsuite/initpri2.c: New test.
1435         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1436         (check_PROGRAMS): Add initpri2.
1437         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1438         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1439         * configure, testsuite/Makefile.in: Rebuild.
1440
1441 2011-06-19  Ian Lance Taylor  <iant@google.com>
1442
1443         PR gold/12880
1444         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1445         .interp section to a PT_INTERP segment even if we have seen a
1446         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1447         clause in a linker script.
1448         (Layout::finalize): Don't create a .interp section if we've
1449         already create a PT_INTERP segment.
1450         (Layout::create_interp): Always call choose_output_section (revert
1451         patch of 2011-06-17).  Don't create PT_INTERP segment.
1452         * script-sections.cc
1453         (Script_sections::create_note_and_tls_segments): Add a .interp
1454         section to a PT_INTERP segment even if we have seen a
1455         --dynamic-linker option.
1456
1457 2011-06-18  Ian Lance Taylor  <iant@google.com>
1458
1459         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1460         merely because a non-PT_LOAD segment has a dynamic reloc.
1461
1462 2011-06-18  Ian Lance Taylor  <iant@google.com>
1463
1464         * layout.cc (Layout::finish_dynamic_section): Don't create
1465         DT_FLAGS entry if not needed.
1466
1467 2011-06-18  Ian Lance Taylor  <iant@google.com>
1468
1469         PR gold/12745
1470         * layout.cc (Layout::layout_eh_frame): Correct handling of
1471         writable .eh_frame section.
1472
1473 2011-06-17  Ian Lance Taylor  <iant@google.com>
1474
1475         PR gold/12893
1476         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1477         symbol is redefined with the exact same object and value.
1478
1479 2011-06-17  Ian Lance Taylor  <iant@google.com>
1480
1481         PR gold/12880
1482         * layout.h (class Layout): Add interp_segment_ field.
1483         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1484         (Layout::attach_allocated_section_to_segment): If making shared
1485         library, put .interp section in PT_INTERP segment.
1486         (Layout::finalize): Also call create_interp if -dynamic-linker
1487         option was used.
1488         (Layout::create_interp): Assert that there is no PT_INTERP
1489         segment.  If not using a SECTIONS clause, use make_output_section.
1490         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1491         * script-sections.cc
1492         (Script_sections::create_note_and_tls_segments): If making shared
1493         library, put .interp section in PT_INTERP segment.
1494
1495 2011-06-17  Ian Lance Taylor  <iant@google.com>
1496
1497         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1498         when making a shared library.
1499
1500 2011-06-17  Ian Lance Taylor  <iant@google.com>
1501
1502         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1503         parameter.  Change all callers.  Don't issue warning about PC32
1504         against locally defined symbol.
1505
1506 2011-06-16  Ian Lance Taylor  <iant@google.com>
1507
1508         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1509         occurs in same object.
1510
1511 2011-06-14  Alan Modra  <amodra@gmail.com>
1512
1513         * po/POTFILES.in: Regenerate.
1514
1515 2011-06-09  Ian Lance Taylor  <iant@google.com>
1516
1517         * script-sections.cc
1518         (Orphan_output_section::set_section_addresses): For a relocatable
1519         link set address to 0.
1520
1521 2011-06-09  Cary Coutant  <ccoutant@google.com>
1522
1523         PR gold/12804
1524         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1525         used with --compress-debug-sections.
1526         * gold/object.cc (Sized_relobj_file::do_layout): Report
1527         uncompressed size of compressed input sections.
1528
1529 2011-06-08  Cary Coutant  <ccoutant@google.com>
1530
1531         PR gold/12804
1532         * testsuite/two_file_test_2_v1.cc: Change initialization of
1533         v2 to keep it in .data.
1534
1535 2011-06-07  Cary Coutant  <ccoutant@google.com>
1536
1537         * common.cc (Symbol_table::do_allocate_commons_list): Call
1538         gold_fallback.
1539         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1540         (Errors::fallback): New function.
1541         (gold_fallback): New function.
1542         * errors.h (Errors::fallback): New function.
1543         * gold.cc (gold_exit): Change status parameter to enum; adjust
1544         all callers.
1545         (queue_initial_tasks): Call gold_fallback.
1546         * gold.h: Include cstdlib.
1547         (Exit_status): New enum type.
1548         (gold_exit): Change status parameter to enum.
1549         (gold_fallback): New function.
1550         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1551         (Layout::create_symtab_sections): Likewise.
1552         (Layout::create_shdrs): Likewise.
1553         * main.cc (main): Adjust call to gold_exit.
1554         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1555         (Output_data_got::add_got_entry_pair): Likewise.
1556         (Output_section::add_input_section): Likewise.
1557         (Output_section::add_output_section_data): Likewise.
1558         (Output_segment::set_section_list_addresses): Likewise.
1559         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1560
1561 2011-06-07  Cary Coutant  <ccoutant@google.com>
1562
1563         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1564         for incremental links.
1565         * output.cc (Output_segment::set_section_list_addresses): Remove
1566         FIXME and test for TLS or BSS.
1567
1568 2011-06-07  Cary Coutant  <ccoutant@google.com>
1569
1570         * testsuite/Makefile.am: Add incremental_copy_test,
1571         incremental_common_test_1.
1572         * testsuite/Makefile.in: Regenerate.
1573         * testsuite/common_test_1_v1.c: New source file.
1574         * testsuite/common_test_1_v2.c: New source file.
1575         * testsuite/copy_test_v1.cc: New source file.
1576
1577 2011-06-07  Cary Coutant  <ccoutant@google.com>
1578
1579         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1580         update, allocate common from bss section's free list.
1581         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1582         linker-defined symbols.
1583         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1584         Skip GOT and PLT entries that are no longer referenced.
1585         (Output_section_incremental_inputs::write_info_blocks): Mark
1586         linker-defined symbols.
1587         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1588         * output.cc (Output_section::allocate): New function.
1589         * output.h (Output_section::allocate): New function.
1590         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1591         linker-defined symbols.
1592         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1593         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1594         (Symbol::init_base_output_data): Likewise.
1595         (Symbol::init_base_output_segment): Likewise.
1596         (Symbol::init_base_constant): Likewise.
1597         (Sized_symbol::init_output_data): Likewise.
1598         (Sized_symbol::init_output_segment): Likewise.
1599         (Sized_symbol::init_constant): Likewise.
1600         (Symbol_table::do_define_in_output_data): Likewise.
1601         (Symbol_table::do_define_in_output_segment): Likewise.
1602         (Symbol_table::do_define_as_constant): Likewise.
1603         * symtab.h (Symbol::is_predefined): New function.
1604         (Symbol::init_base_output_data): Add is_predefined parameter.
1605         (Symbol::init_base_output_segment): Likewise.
1606         (Symbol::init_base_constant): Likewise.
1607         (Symbol::is_predefined_): New data member.
1608         (Sized_symbol::init_output_data): Add is_predefined parameter.
1609         (Sized_symbol::init_output_segment): Likewise.
1610         (Sized_symbol::init_constant): Likewise.
1611         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1612
1613 2011-06-07  Cary Coutant  <ccoutant@google.com>
1614
1615         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1616         instead of emit_copy_reloc.
1617         (Copy_relocs::emit_copy_reloc): Refactor.
1618         (Copy_relocs::make_copy_reloc): New function.
1619         (Copy_relocs::add_copy_reloc): Remove.
1620         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1621         section.
1622         (Copy_relocs::make_copy_reloc): New function.
1623         (Copy_relocs::add_copy_reloc): Remove.
1624         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1625         unchanged input files.
1626         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1627         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1628         Reserve BSS space for COPY relocations.
1629         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1630         (Output_section_incremental_inputs::write_info_blocks): Record
1631         whether a symbol is copied from a shared object.
1632         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1633         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1634         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1635         (Incremental_input_entry_reader::get_output_symbol_index): Add
1636         is_copy parameter.
1637         (Incremental_binary::emit_copy_relocs): New function.
1638         (Incremental_binary::do_emit_copy_relocs): New function.
1639         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1640         new data member.
1641         (Sized_incremental_binary::add_copy_reloc): New function.
1642         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1643         (Sized_incremental_binary::Copy_reloc): New struct.
1644         (Sized_incremental_binary::Copy_relocs): New typedef.
1645         (Sized_incremental_binary::copy_relocs_): New data member.
1646         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1647         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1648         * target.h (Sized_target::emit_copy_reloc): New function.
1649         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1650
1651 2011-06-02  Cary Coutant  <ccoutant@google.com>
1652
1653         PR gold/12163
1654         * gold/archive.cc (Archive::Archive): Initialize new data member.
1655         (Archive::include_all_members): Return if archive has already been
1656         included.
1657         * gold/archive.h (Archive::include_all_members_): New data member.
1658
1659 2011-06-02  Nick Clifton  <nickc@redhat.com>
1660
1661         * dynobj.h: Fix spelling mistake in comment.
1662         * output.cc: Likewise.
1663
1664 2011-05-31  Doug Kwan  <dougkwan@google.com>
1665             Asier Llano
1666
1667         PR gold/12826
1668         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1669         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1670         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1671         redundant arm_exidx_test.so.
1672         * testsuite/Makefile.in: Regenerate.
1673         (check_SCRIPTS): Add pr12826.sh
1674         (check_DATA): Add pr12826.stdout
1675         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1676         * testsuite/pr12826.sh: New file.
1677         * testsuite/pr12826_1.s: Ditto.
1678         * testsuite/pr12826_1.s: Ditto.
1679
1680 2011-05-30  Ian Lance Taylor  <iant@google.com>
1681
1682         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1683         sections.
1684
1685 2011-05-29  Ian Lance Taylor  <iant@google.com>
1686
1687         PR gold/12804
1688         * testsuite/Makefile.am: Use different file name for two_file_test
1689         temporary file for each incremental test.
1690         * testsuite/Makefile.in: Rebuild.
1691
1692 2011-05-29  Ian Lance Taylor  <iant@google.com>
1693
1694         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1695         binary input file is empty.
1696
1697 2011-05-27  Ian Lance Taylor  <iant@google.com>
1698
1699         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1700         (ver_test_9.so): Likewise.
1701         * testsuite/Makefile.in: Rebuild.
1702
1703 2011-05-26 Cary Coutant  <ccoutant@google.com>
1704
1705         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1706         * incremental.cc (Incremental_inputs::report_input_section): Fix
1707         comment, indentation.
1708         (Incremental_inputs::report_comdat_group): New function.
1709         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1710         of data for incremental input file entry.
1711         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1712         group count, COMDAT group signatures.
1713         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1714         an unchanged input file.
1715         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1716         Initialize new data member.
1717         (Incremental_object_entry::add_comdat_group): New function.
1718         (Incremental_object_entry::get_comdat_group_count): New function.
1719         (Incremental_object_entry::get_comdat_signature_key): New function.
1720         (Incremental_object_entry::groups_): New data member.
1721         (Incremental_inputs::report_comdat_group): New function.
1722         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1723         data for incremental input file entry.
1724         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1725         (Incremental_input_entry_reader::get_input_section): Adjust size of
1726         data for incremental input file entry.
1727         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1728         (Incremental_input_entry_reader::get_comdat_group_signature): New
1729         function.
1730         * object.cc (Sized_relobj::include_section_group): Report kept
1731         COMDAT groups for incremental links.
1732
1733 2011-05-24  David Meyer  <pdox@google.com>
1734
1735         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1736         with name parameter.  Add found_name parameter.
1737         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1738         * dirsearch.h (class Dirsearch): Update declaration.
1739
1740 2011-05-24  Ian Lance Taylor  <iant@google.com>
1741
1742         * archive.cc (Library_base::should_include_member): Pull in object
1743         from archive if it defines the entry symbol.
1744         * parameters.cc (Parameters::entry): New function.
1745         * parameters.h (class Parameters): Declare entry.
1746         * output.h (class Output_file_header): Remove entry_ field.
1747         * output.cc (Output_file_header::Output_file_header): Remove entry
1748         parameter.  Change all callers.
1749         (Output_file_header::entry): Use parameters->entry.
1750         * gold.cc (queue_middle_tasks): Likewise.
1751         * plugin.cc (Plugin_hook::run): Likewise.
1752
1753 2011-05-24 Cary Coutant  <ccoutant@google.com>
1754
1755         * gold.cc (queue_initial_tasks): Pass incremental base filename
1756         to Output_file::open_base_file; don't print error message.
1757         * incremental-dump.cc (main): Adjust call to
1758         Output_file::open_for_modification.
1759         * incremental-dump.cc (main): Likewise.
1760         * incremental.cc (Incremental_inputs::report_command_line):
1761         Ignore --incremental-base option when comparing command lines.
1762         Ignore parameter when given as separate argument.
1763         * options.h (class General_options): Add --incremental-base.
1764         * output.cc (Output_file::Output_file):
1765         (Output_file::open_base_file): Add base_name and writable parameters;
1766         read base file into new file; print error message here.
1767         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1768         callers.
1769         * output.h (Output_file::open_for_modification): Rename to...
1770         (Output_file::open_base_file): ...this; add base_name and
1771         writable parameters; adjust all callers.
1772         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1773         callers.
1774         * testsuite/Makefile.am (incremental_test_4): Test
1775         --incremental-base.
1776         * testsuite/Makefile.in: Regenerate.
1777
1778 2011-05-24 Cary Coutant  <ccoutant@google.com>
1779
1780         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1781         incremental_test_4.
1782         * testsuite/Makefile.in: Regenerate.
1783         * testsuite/two_file_test_1_v1.cc: New test source file.
1784         * testsuite/two_file_test_1b_v1.cc: New test source file.
1785         * testsuite/two_file_test_2_v1.cc: New test source file.
1786
1787 2011-05-24 Cary Coutant  <ccoutant@google.com>
1788
1789         * dynobj.h (Dynobj::do_dynobj): New function.
1790         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1791         flag and soname for shared objects.
1792         * incremental.cc (Incremental_inputs::report_object): Make
1793         either Incremental_object_entry or Incremental_dynobj_entry; add
1794         soname to string table.
1795         (Incremental_inputs::report_input_section): Add assertion.
1796         (Output_section_incremental_inputs::set_final_data_size): Adjust
1797         type of input file entry for shared libraries; adjust size of
1798         shared library info entry.
1799         (Output_section_incremental_inputs::write_input_files): Write
1800         as_needed flag for shared libraries.
1801         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1802         of input file entry for shared libraries; write soname.
1803         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1804         soname from incremental info.
1805         * incremental.h (enum Incremental_input_flags): Add
1806         INCREMENTAL_INPUT_AS_NEEDED.
1807         (Incremental_input_entry::Incremental_input_entry): Initialize new
1808         data member.
1809         (Incremental_input_entry::set_as_needed): New function.
1810         (Incremental_input_entry::as_needed): New function.
1811         (Incremental_input_entry::do_dynobj_entry): New function.
1812         (Incremental_input_entry::as_needed_): New data member.
1813         (Incremental_object_entry::Incremental_object_entry): Don't check
1814         for shared library.
1815         (Incremental_object_entry::do_type): Likewise.
1816         (class Incremental_dynobj_entry): New class.
1817         (Incremental_input_entry_reader::as_needed): New function.
1818         (Incremental_input_entry_reader::get_soname): New function.
1819         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1820         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1821         size of shared library info entry.
1822         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1823         incremental link when adding DT_NEEDED entries.
1824         * object.h (Object::Object): Initialize new data member.
1825         (Object::dynobj): New function.
1826         (Object::set_as_needed): New function.
1827         (Object::as_needed): New function.
1828         (Object::do_dynobj): New function.
1829         (Object::as_needed_): New data member.
1830
1831 2011-05-24 Cary Coutant  <ccoutant@google.com>
1832
1833         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1834         info; adjust display of GOT entries.
1835         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1836         vector of input objects; remove file_status_.
1837         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1838         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1839         got_plt reader; call target hooks to reserve GOT entries.
1840         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1841         of input file info header and GOT info entry.
1842         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1843         relocation info.
1844         (Got_plt_view_info::got_descriptor): Remove.
1845         (Got_plt_view_info::sym_index): New data member.
1846         (Got_plt_view_info::input_index): New data member.
1847         (Local_got_offset_visitor::visit): Write input file index.
1848         (Global_got_offset_visitor::visit): Write 0 for input file index.
1849         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1850         with sym_index and input_index.
1851         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1852         incremental info GOT entry; replace got_descriptor with input_index.
1853         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1854         map from input file index to object.
1855         (Sized_relobj_incr::do_layout): Replace direct data member reference
1856         with accessor function.
1857         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1858         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1859         Adjust size of input file info header.
1860         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1861         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1862         (Incremental_input_entry_reader::get_input_section): Adjust size of
1863         input file info header.
1864         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1865         of incremental info GOT entry.
1866         (Incremental_got_plt_reader::get_got_desc): Remove.
1867         (Incremental_got_plt_reader::get_got_symndx): New function.
1868         (Incremental_got_plt_reader::get_got_input_index): New function.
1869         (Sized_incremental_binary::Sized_incremental_binary): Remove
1870         file_status_; add input_objects_.
1871         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1872         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1873         (Sized_incremental_binary::file_is_unchanged): Remove.
1874         (Sized_incremental_binary::set_input_object): New function.
1875         (Sized_incremental_binary::input_object): New function.
1876         (Sized_incremental_binary::file_status_): Remove.
1877         (Sized_incremental_binary::input_objects_): New data member.
1878         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1879         references.
1880         (Sized_relobj_incr::invalid_address): Move to base class.
1881         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1882         class.
1883         (Sized_relobj_incr::do_output_section_offset): Likewise.
1884         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1885         (Sized_relobj_incr::section_offsets_): Likewise.
1886         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1887         function.
1888         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1889         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1890         with accessor function.
1891         (Sized_relobj_file::do_layout): Likewise.
1892         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1893         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1894         (Sized_relobj_file::compute_final_local_value): Replace refs to
1895         section_offsets_ with accessor function.
1896         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1897         * object.h (Relobj::Relobj): Initialize new data members.
1898         (Relobj::add_dyn_reloc): New function.
1899         (Relobj::first_dyn_reloc): New function.
1900         (Relobj::dyn_reloc_count): New function.
1901         (Relobj::first_dyn_reloc_): New data member.
1902         (Relobj::dyn_reloc_count_): New data member.
1903         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1904         references.
1905         (Sized_relobj::Address): New typedef.
1906         (Sized_relobj::invalid_address): Move here from child class.
1907         (Sized_relobj::Sized_relobj): Initialize new data members.
1908         (Sized_relobj::sized_relobj): New function.
1909         (Sized_relobj::is_output_section_offset_invalid): Move here from
1910         child class.
1911         (Sized_relobj::get_output_section_offset): Likewise.
1912         (Sized_relobj::local_has_got_offset): Likewise.
1913         (Sized_relobj::local_got_offset): Likewise.
1914         (Sized_relobj::set_local_got_offset): Likewise.
1915         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1916         (Sized_relobj::clear_got_offsets): New function.
1917         (Sized_relobj::section_offsets): Move here from child class.
1918         (Sized_relobj::do_output_section_offset): Likewise.
1919         (Sized_relobj::do_set_section_offset): Likewise.
1920         (Sized_relobj::Local_got_offsets): Likewise.
1921         (Sized_relobj::local_got_offsets_): Likewise.
1922         (Sized_relobj::section_offsets_): Likewise.
1923         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1924         references.
1925         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1926         class.
1927         (Sized_relobj_file::sized_relobj): New function
1928         (Sized_relobj_file::local_has_got_offset): Move to base class.
1929         (Sized_relobj_file::local_got_offset): Likewise.
1930         (Sized_relobj_file::set_local_got_offset): Likewise.
1931         (Sized_relobj_file::get_output_section_offset): Likewise.
1932         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1933         (Sized_relobj_file::do_output_section_offset): Likewise.
1934         (Sized_relobj_file::do_set_section_offset): Likewise.
1935         (Sized_relobj_file::Local_got_offsets): Likewise.
1936         (Sized_relobj_file::local_got_offsets_): Likewise.
1937         (Sized_relobj_file::section_offsets_): Likewise.
1938         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1939         (all constructors).
1940         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1941         (Output_reloc::get_symbol_index): Likewise.
1942         (Output_reloc::local_section_offset): Likewise.
1943         (Output_reloc::get_address): Likewise.
1944         (Output_reloc::symbol_value): Likewise.
1945         (Output_data_got::reserve_slot): Move to class definition.
1946         (Output_data_got::reserve_local): New function.
1947         (Output_data_got::reserve_slot_for_global): Remove.
1948         (Output_data_got::reserve_global): New function.
1949         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1950         (all constructors, two instantiations).
1951         (Output_reloc::get_relobj): New function (two instantiations).
1952         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1953         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1954         (Output_data_reloc::add_global): Adjust type of relobj.
1955         (Output_data_reloc::add_global_relative): Likewise.
1956         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1957         (Output_data_reloc::add_local): Likewise.
1958         (Output_data_reloc::add_local_relative): Likewise.
1959         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1960         (Output_data_reloc::add_local_section): Likewise.
1961         (Output_data_reloc::add_output_section): Likewise.
1962         (Output_data_reloc::add_absolute): Likewise.
1963         (Output_data_reloc::add_target_specific): Likewise.
1964         (Output_data_got::reserve_slot): Move definition here.
1965         (Output_data_got::reserve_local): New function.
1966         (Output_data_got::reserve_global): New function.
1967         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1968         section_offsets_ with accessor function.
1969         (Sized_relobj_file::write_sections): Likewise.
1970         (Sized_relobj_file::do_relocate_sections): Likewise.
1971         * target.h (Sized_target::reserve_local_got_entry): New function.
1972         (Sized_target::reserve_global_got_entry): New function.
1973         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1974         (Target_x86_64::reserve_global_got_entry): New function.
1975         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1976
1977 2011-05-23 Cary Coutant  <ccoutant@google.com>
1978
1979         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1980         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1981         bit when checking got_type.
1982         * incremental.cc (Sized_incremental_binary::setup_readers):
1983         Store symbol table and string table locations; initialize bit vector
1984         of file status flags.
1985         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1986         unchanged files.
1987         (Sized_incremental_binary::do_process_got_plt): New function.
1988         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1989         (Output_section_incremental_inputs::set_final_data_size): Record
1990         file index for each input file.
1991         (Output_section_incremental_inputs::write_got_plt): Store file index
1992         instead of input entry offset for each GOT entry.
1993         * incremental.h
1994         (Incremental_input_entry::Incremental_input_entry): Initialize new
1995         data member.
1996         (Incremental_input_entry::set_offset): Store file index.
1997         (Incremental_input_entry::get_file_index): New function.
1998         (Incremental_input_entry::file_index_): New data member.
1999         (Incremental_binary::process_got_plt): New function.
2000         (Incremental_binary::do_process_got_plt): New function.
2001         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2002         data members.
2003         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
2004         (Sized_incremental_binary::set_file_is_unchanged): New function.
2005         (Sized_incremental_binary::file_is_unchanged): New function.
2006         (Sized_incremental_binary::do_process_got_plt): New function.
2007         (Sized_incremental_binary::file_status_): New data member.
2008         (Sized_incremental_binary::main_symtab_loc_): New data member.
2009         (Sized_incremental_binary::main_strtab_loc_): New data member.
2010         * output.cc (Output_data_got::Got_entry::write): Add case
2011         RESERVED_CODE.
2012         (Output_data_got::add_global): Call add_got_entry.
2013         (Output_data_got::add_global_plt): Likewise.
2014         (Output_data_got::add_global_with_rel): Likewise.
2015         (Output_data_got::add_global_with_rela): Likewise.
2016         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2017         (Output_data_got::add_global_pair_with_rela): Likewise.
2018         (Output_data_got::add_local): Call add_got_entry.
2019         (Output_data_got::add_local_plt): Likewise.
2020         (Output_data_got::add_local_with_rel): Likewise.
2021         (Output_data_got::add_local_with_rela): Likewise.
2022         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2023         (Output_data_got::add_local_pair_with_rela): Likewise.
2024         (Output_data_got::reserve_slot): New function.
2025         (Output_data_got::reserve_slot_for_global): New function.
2026         (Output_data_got::add_got_entry): New function.
2027         (Output_data_got::add_got_entry_pair): New function.
2028         (Output_section::add_output_section_data): Edit FIXME.
2029         * output.h
2030         (Output_section_data_build::Output_section_data_build): New
2031         constructor with size parameter.
2032         (Output_data_space::Output_data_space): Likewise.
2033         (Output_data_got::Output_data_got): Initialize new data member; new
2034         constructor with size parameter.
2035         (Output_data_got::add_constant): Call add_got_entry.
2036         (Output_data_got::reserve_slot): New function.
2037         (Output_data_got::reserve_slot_for_global): New function.
2038         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2039         (Output_data_got::add_got_entry): New function.
2040         (Output_data_got::add_got_entry_pair): New function.
2041         (Output_data_got::free_list_): New data member.
2042         * target.h (Sized_target::init_got_plt_for_update): New function.
2043         (Sized_target::register_global_plt_entry): New function.
2044         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2045         Initialize new data member; call init; add constructor with PLT count.
2046         (Output_data_plt_x86_64::init): New function.
2047         (Output_data_plt_x86_64::add_relocation): New function.
2048         (Output_data_plt_x86_64::reserve_slot): New function.
2049         (Output_data_plt_x86_64::free_list_): New data member.
2050         (Target_x86_64::init_got_plt_for_update): New function.
2051         (Target_x86_64::register_global_plt_entry): New function.
2052         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2053         incremental updates.
2054         (Output_data_plt_x86_64::add_relocation): New function.
2055         * testsuite/object_unittest.cc (Object_test): Set default options.
2056
2057 2011-05-16  Ian Lance Taylor  <iant@google.com>
2058
2059         * options.h (class General_options): Make -i a synonym for -r.
2060
2061 2011-05-16  Ian Lance Taylor  <iant@google.com>
2062
2063         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2064
2065 2011-05-10 Cary Coutant  <ccoutant@google.com>
2066
2067         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2068         strip_all (-s).
2069
2070 2011-05-06  Ian Lance Taylor  <iant@google.com>
2071
2072         * layout.cc (Layout::layout): If the output section flags change,
2073         update the ordering.
2074
2075 2011-04-25 Cary Coutant  <ccoutant@google.com>
2076
2077         * incremental-dump.cc (dump_incremental_inputs): Print local
2078         symbol info for each input file.
2079         * incremental.cc
2080         (Output_section_incremental_inputs::set_final_data_size): Add local
2081         symbol info to input file entries in incremental info.
2082         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2083         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2084         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2085         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2086         implementation.
2087         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2088         (Sized_incr_relobj::do_relocate): Write the local symbols.
2089         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2090         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2091         Adjust size of input file header.
2092         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2093         (Incremental_inputs_reader::get_local_symbol_count): New function.
2094         (Incremental_inputs_reader::get_input_section): Adjust size of input
2095         file header.
2096         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2097         (Sized_incr_relobj::This): New typedef.
2098         (Sized_incr_relobj::sym_size): New const data member.
2099         (Sized_incr_relobj::Local_symbol): New struct.
2100         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2101         (Sized_incr_relobj::do_local_symbol_offset): New function.
2102         (Sized_incr_relobj::local_symbol_count_): New data member.
2103         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2104         (Sized_incr_relobj::local_symbol_index_): New data member.
2105         (Sized_incr_relobj::local_symbol_offset_): New data member.
2106         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2107         (Sized_incr_relobj::local_symbols_): New data member.
2108         * object.h (Relobj::output_local_symbol_count): New function.
2109         (Relobj::local_symbol_offset): New function.
2110         (Relobj::do_output_local_symbol_count): New function.
2111         (Relobj::do_local_symbol_offset): New function.
2112         (Sized_relobj::do_output_local_symbol_count): New function.
2113         (Sized_relobj::do_local_symbol_offset): New function.
2114
2115 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2116
2117         * descriptors.cc (set_close_on_exec): New function.
2118         (Descriptors::open): Use set_close_on_exec.
2119         * output.cc (S_ISLNK): Define if not defined.
2120
2121 2011-04-22 Cary Coutant  <ccoutant@google.com>
2122
2123         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2124         global symbol map.
2125         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2126         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2127         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2128         relocations.
2129         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2130         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2131         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2132         * incremental.h
2133         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2134         function.
2135         (Incremental_binary::apply_incremental_relocs): New function.
2136         (Incremental_binary::do_apply_incremental_relocs): New function.
2137         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2138         data member.
2139         (Sized_incremental_binary::add_global_symbol): New function.
2140         (Sized_incremental_binary::global_symbol): New function.
2141         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2142         (Sized_incremental_binary::symbol_map_): New data member.
2143         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2144         * target.h (Sized_target::apply_relocation): New function.
2145         * target-reloc.h (apply_relocation): New function.
2146         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2147
2148 2011-04-22  Doug Kwan  <dougkwan@google.com>
2149
2150         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2151         flag of a SHT_ARM_EXIDX section.
2152         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2153         * testsuite/Makefile.in: Regenerate.
2154         * testsuite/arm_exidx_test.s: New file.
2155         * testsuite/arm_exidx_test.sh: Same.
2156
2157 2011-04-20 Cary Coutant  <ccoutant@google.com>
2158
2159         PR gold/12689
2160         * archive.h (Incremental_archive_entry::Archive_member):
2161         Initialize arg_serial_ (second constructor).
2162
2163 2011-04-17  Ian Lance Taylor  <iant@google.com>
2164
2165         * object.cc (Relocate_info::location): Simplify location string.
2166         * errors.cc (Errors::error_at_location): Don't print program
2167         name.
2168         (Errors::warning_at_location): Likewise.
2169         (Errors::undefined_symbol): Likewise.
2170         * testsuite/debug_msg.sh: Update accordingly.
2171
2172 2011-04-14 Cary Coutant  <ccoutant@google.com>
2173
2174         * gold/layout.cc (Layout::symtab_section_offset): New function.
2175         * gold/layout.h (Layout::symtab_section_offset): New function.
2176         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2177
2178 2011-04-12  Ian Lance Taylor  <iant@google.com>
2179
2180         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2181         with MREMAP_MAYMOVE.
2182         * output.h (class Output_file): Add map_is_allocated_ field.
2183         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2184         not available, provide stubs.  If mremap is not available, #define
2185         it to gold_mremap.
2186         (MREMAP_MAYMOVE): Define if not defined.
2187         (Output_file::Output_file): Initialize map_is_allocated_.
2188         (Output_file::resize): Check map_is_allocated_.
2189         (Output_file::map_anonymous): If mmap fails, use malloc.
2190         (Output_file::unmap): Don't do anything for an anonymous map.
2191         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2192         is not available, provide stubs.
2193         (File_read::View::~View): Use free rather than delete[].
2194         (File_read::make_view): Use malloc rather than new[].  If mmap
2195         fails, use malloc.
2196         (File_read::find_or_make_view): Use malloc rather than new[].
2197         * gold.h: Remove HAVE_REMAP code.
2198         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2199         exists.  Rename mremap to gold_mremap.  If mmap is not available
2200         don't do anything.
2201         * configure, config.in: Rebuild.
2202
2203 2011-04-11  Ian Lance Taylor  <iant@google.com>
2204
2205         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2206         initialize local variable v.
2207
2208 2011-04-11  Cary Coutant  <ccoutant@google.com>
2209
2210         * archive.cc (Archive::include_member): Adjust call to
2211         report_object.
2212         (Add_archive_symbols::run): Track argument serial numbers.
2213         (Lib_group::include_member): Likewise.
2214         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2215         * archive.h (Incremental_archive_entry::Archive_member):
2216         Initialize arg_serial_.
2217         (Archive_member::arg_serial_): New data member.
2218         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2219         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2220         incremental link.
2221         (Sized_dynobj::do_for_all_local_got_entries): New function.
2222         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2223         function.
2224         * fileread.cc (get_mtime): New function.
2225         * fileread.h (get_mtime): New function.
2226         * gold.cc (queue_initial_tasks): Check for incremental update.
2227         (process_incremental_input): New function.
2228         (queue_middle_tasks): Don't force valid target for incremental
2229         update.
2230         * incremental-dump.cc (find_input_containing_global): Adjust
2231         size of symbol info entry.
2232         (dump_incremental_inputs): Dump argument serial number and
2233         in_system_directory flag; bias shndx by 1; print symbol names
2234         when dumping per-file symbol lists; use new symbol info readers.
2235         * incremental.cc
2236         (Output_section_incremental_inputs:update_data_size): New function.
2237         (Sized_incremental_binary::setup_readers): Setup input readers
2238         for each input file; build maps for files added from libraries
2239         and scripts.
2240         (Sized_incremental_binary::check_input_args): New function.
2241         (Sized_incremental_binary::do_check_inputs): Build map of argument
2242         serial numbers to input arguments.
2243         (Sized_incremental_binary::do_file_has_changed): Rename
2244         do_file_is_unchanged to this; compare file modification times.
2245         (Sized_incremental_binary::do_init_layout): New function.
2246         (Sized_incremental_binary::do_reserve_layout): New function.
2247         (Sized_incremental_binary::do_get_input_reader): Remove.
2248         (Sized_incremental_binary::get_symtab_view): New function.
2249         (Incremental_checker::can_incrementally_link_output_file): Remove.
2250         (Incremental_inputs::report_command_line): Exclude --debug options.
2251         (Incremental_inputs::report_archive_begin): Add parameter; track
2252         argument serial numbers; don't put input file entry for archive
2253         before archive members.
2254         (Incremental_inputs::report_archive_end): Put input file entry
2255         for archive after archive members.
2256         (Incremental_inputs::report_object): Add parameter; track argument
2257         serial numbers and in_system_directory flag.
2258         (Incremental_inputs::report_script): Add parameter; track argument
2259         serial numbers.
2260         (Output_section_incremental_inputs::set_final_data_size): Adjust
2261         size of symbol info entry; check for forwarding symbols.
2262         (Output_section_incremental_inputs::write_input_files): Write
2263         in_system_directory flag and argument serial number.
2264         (Output_section_incremental_inputs::write_info_blocks): Map section
2265         indices between incremental info and original input file; store
2266         input section index for each symbol.
2267         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2268         change operator() to visit().
2269         (class Global_got_offset_visitor): Likewise.
2270         (class Global_symbol_visitor_got_plt):
2271         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2272         classes.
2273         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2274         (Sized_incr_relobj::do_read_symbols): New function.
2275         (Sized_incr_relobj::do_layout): New function.
2276         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2277         (Sized_incr_relobj::do_add_symbols): New function.
2278         (Sized_incr_relobj::do_should_include_member): New function.
2279         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2280         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2281         (Sized_incr_relobj::do_section_size): New function.
2282         (Sized_incr_relobj::do_section_name): New function.
2283         (Sized_incr_relobj::do_section_contents): New function.
2284         (Sized_incr_relobj::do_section_flags): New function.
2285         (Sized_incr_relobj::do_section_entsize): New function.
2286         (Sized_incr_relobj::do_section_address): New function.
2287         (Sized_incr_relobj::do_section_type): New function.
2288         (Sized_incr_relobj::do_section_link): New function.
2289         (Sized_incr_relobj::do_section_info): New function.
2290         (Sized_incr_relobj::do_section_addralign): New function.
2291         (Sized_incr_relobj::do_initialize_xindex): New function.
2292         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2293         (Sized_incr_relobj::do_read_relocs): New function.
2294         (Sized_incr_relobj::do_gc_process_relocs): New function.
2295         (Sized_incr_relobj::do_scan_relocs): New function.
2296         (Sized_incr_relobj::do_count_local_symbols): New function.
2297         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2298         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2299         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2300         (Sized_incr_relobj::do_relocate): New function.
2301         (Sized_incr_relobj::do_set_section_offset): New function.
2302         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2303         (Sized_incr_dynobj::do_read_symbols): New function.
2304         (Sized_incr_dynobj::do_layout): New function.
2305         (Sized_incr_dynobj::do_add_symbols): New function.
2306         (Sized_incr_dynobj::do_should_include_member): New function.
2307         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2308         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2309         (Sized_incr_dynobj::do_section_size): New function.
2310         (Sized_incr_dynobj::do_section_name): New function.
2311         (Sized_incr_dynobj::do_section_contents): New function.
2312         (Sized_incr_dynobj::do_section_flags): New function.
2313         (Sized_incr_dynobj::do_section_entsize): New function.
2314         (Sized_incr_dynobj::do_section_address): New function.
2315         (Sized_incr_dynobj::do_section_type): New function.
2316         (Sized_incr_dynobj::do_section_link): New function.
2317         (Sized_incr_dynobj::do_section_info): New function.
2318         (Sized_incr_dynobj::do_section_addralign): New function.
2319         (Sized_incr_dynobj::do_initialize_xindex): New function.
2320         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2321         (make_sized_incremental_object): New function.
2322         (Incremental_library::copy_unused_symbols): New function.
2323         (Incremental_library::do_for_all_unused_symbols): New function.
2324         * incremental.h (enum Incremental_input_flags): New type.
2325         (class Incremental_checker): Remove.
2326         (Incremental_input_entry::Incremental_input_entry): Add argument
2327         serial number.
2328         (Incremental_input_entry::arg_serial): New function.
2329         (Incremental_input_entry::set_is_in_system_directory): New function.
2330         (Incremental_input_entry::is_in_system_directory): New function.
2331         (Incremental_input_entry::arg_serial_): New data member.
2332         (Incremental_input_entry::is_in_system_directory_): New data member.
2333         (class Script_info): Move here from script.h.
2334         (Script_info::Script_info): Add filename parameter.
2335         (Script_info::filename): New function.
2336         (Script_info::filename_): New data member.
2337         (Incremental_script_entry::Incremental_script_entry): Add argument
2338         serial number.
2339         (Incremental_object_entry::Incremental_object_entry): Likewise.
2340         (Incremental_object_entry::add_input_section): Build list of input
2341         sections with map to original shndx.
2342         (Incremental_object_entry::get_input_section_index): New function.
2343         (Incremental_object_entry::shndx_): New data member.
2344         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2345         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2346         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2347         serial number.
2348         (Incremental_inputs::report_archive_begin): Likewise.
2349         (Incremental_inputs::report_object): Likewise.
2350         (Incremental_inputs::report_script): Likewise.
2351         (class Incremental_global_symbol_reader): New class.
2352         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2353         and store flags and input file type.
2354         (Incremental_input_entry_reader::arg_serial): New function.
2355         (Incremental_input_entry_reader::type): Extract type from flags.
2356         (Incremental_input_entry_reader::is_in_system_directory): New function.
2357         (Incremental_input_entry_reader::get_input_section_count): Call
2358         accessor function for type.
2359         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2360         function for type; adjust size of global symbol entry.
2361         (Incremental_input_entry_reader::get_global_symbol_count): Call
2362         accessor function for type.
2363         (Incremental_input_entry_reader::get_object_count): Likewise.
2364         (Incremental_input_entry_reader::get_object_offset): Likewise.
2365         (Incremental_input_entry_reader::get_member_count): Likewise.
2366         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2367         (Incremental_input_entry_reader::get_member_offset): Likewise.
2368         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2369         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2370         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2371         (Incremental_input_entry_reader::get_global_symbol_reader): New
2372         function.
2373         (Incremental_input_entry_reader::get_output_symbol_index): New
2374         function.
2375         (Incremental_input_entry_reader::type_): Remove.
2376         (Incremental_input_entry_reader::flags_): New data member.
2377         (Incremental_inputs_reader::input_file_offset): New function.
2378         (Incremental_inputs_reader::input_file_index): New function.
2379         (Incremental_inputs_reader::input_file): Call input_file_offset.
2380         (Incremental_inputs_reader::input_file_at_offset): New function.
2381         (Incremental_relocs_reader::get_r_type): Reformat.
2382         (Incremental_relocs_reader::get_r_shndx): Reformat.
2383         (Incremental_relocs_reader::get_r_offset): Reformat.
2384         (Incremental_relocs_reader::data): New function.
2385         (Incremental_binary::Incremental_binary): Initialize new data members.
2386         (Incremental_binary::check_inputs): Add cmdline parameter.
2387         (Incremental_binary::file_is_unchanged): Remove.
2388         (Input_reader::arg_serial): New function.
2389         (Input_reader::get_unused_symbol_count): New function.
2390         (Input_reader::get_unused_symbol): New function.
2391         (Input_reader::do_arg_serial): New function.
2392         (Input_reader::do_get_unused_symbol_count): New function.
2393         (Input_reader::do_get_unused_symbol): New function.
2394         (Incremental_binary::input_file_count): New function.
2395         (Incremental_binary::get_input_reader): Change signature to use
2396         index instead of filename.
2397         (Incremental_binary::file_has_changed): New function.
2398         (Incremental_binary::get_input_argument): New function.
2399         (Incremental_binary::get_library): New function.
2400         (Incremental_binary::get_script_info): New function.
2401         (Incremental_binary::init_layout): New function.
2402         (Incremental_binary::reserve_layout): New function.
2403         (Incremental_binary::output_file): New function.
2404         (Incremental_binary::do_check_inputs): New function.
2405         (Incremental_binary::do_file_is_unchanged): Remove.
2406         (Incremental_binary::do_file_has_changed): New function.
2407         (Incremental_binary::do_init_layout): New function.
2408         (Incremental_binary::do_reserve_layout): New function.
2409         (Incremental_binary::do_input_file_count): New function.
2410         (Incremental_binary::do_get_input_reader): Change signature.
2411         (Incremental_binary::input_args_map_): New data member.
2412         (Incremental_binary::library_map_): New data member.
2413         (Incremental_binary::script_map_): New data member.
2414         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2415         new data members.
2416         (Sized_incremental_binary::output_section): New function.
2417         (Sized_incremental_binary::inputs_reader): Add const.
2418         (Sized_incremental_binary::symtab_reader): Add const.
2419         (Sized_incremental_binary::relocs_reader): Add const.
2420         (Sized_incremental_binary::got_plt_reader): Add const.
2421         (Sized_incremental_binary::get_symtab_view): New function.
2422         (Sized_incremental_binary::Inputs_reader): New typedef.
2423         (Sized_incremental_binary::Input_entry_reader): New typedef.
2424         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2425         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2426         (Sized_incremental_binary::do_file_has_changed): New function.
2427         (Sized_incremental_binary::do_init_layout): New function.
2428         (Sized_incremental_binary::do_reserve_layout): New function.
2429         (Sized_input_reader::Inputs_reader): Remove.
2430         (Sized_input_reader::Input_entry_reader): Remove.
2431         (Sized_input_reader::do_arg_serial): New function.
2432         (Sized_input_reader::do_get_unused_symbol_count): New function.
2433         (Sized_input_reader::do_get_unused_symbol): New function.
2434         (Sized_incremental_binary::do_input_file_count): New function.
2435         (Sized_incremental_binary::do_get_input_reader): Change signature;
2436         use index instead of filename.
2437         (Sized_incremental_binary::section_map_): New data member.
2438         (Sized_incremental_binary::input_entry_readers_): New data member.
2439         (class Sized_incr_relobj): New class.
2440         (class Sized_incr_dynobj): New class.
2441         (make_sized_incremental_object): New function.
2442         (class Incremental_library): New class.
2443         * layout.cc (Free_list::num_lists): New static data member.
2444         (Free_list::num_nodes): New static data member.
2445         (Free_list::num_removes): New static data member.
2446         (Free_list::num_remove_visits): New static data member.
2447         (Free_list::num_allocates): New static data member.
2448         (Free_list::num_allocate_visits): New static data member.
2449         (Free_list::init): New function.
2450         (Free_list::remove): New function.
2451         (Free_list::allocate): New function.
2452         (Free_list::dump): New function.
2453         (Free_list::print_stats): New function.
2454         (Layout_task_runner::run): Resize output file for incremental updates.
2455         (Layout::Layout): Initialize new data members.
2456         (Layout::set_incremental_base): New function.
2457         (Layout::init_fixed_output_section): New function.
2458         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2459         incremental updates.
2460         (Layout::create_gold_note): Do not create gold note section for
2461         incremental updates.
2462         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2463         for incremental updates.
2464         (Layout::set_section_offsets): For incremental updates, allocate space
2465         from free list.
2466         (Layout::create_symtab_sections): Layout with offsets relative to
2467         start of section; for incremental updates, allocate space from free
2468         list.
2469         (Layout::create_shdrs): For incremental updates, allocate space from
2470         free list.
2471         (Layout::finish_dynamic_section): For incremental updates, do not
2472         check --as-needed (fixed in subsequent patch).
2473         * layout.h (class Free_list): New class.
2474         (Layout::set_incremental_base): New function.
2475         (Layout::incremental_base): New function.
2476         (Layout::init_fixed_output_section): New function.
2477         (Layout::allocate): New function.
2478         (Layout::incremental_base_): New data member.
2479         (Layout::free_list_): New data member.
2480         * main.cc (main): Print Free_list statistics.
2481         * object.cc (Relobj::finalize_incremental_relocs): Add
2482         clear_counts parameter; clear counts only when clear_counts is set.
2483         (Sized_relobj::Sized_relobj): Initialize new base class.
2484         (Sized_relobj::do_layout): Don't report special sections.
2485         (Sized_relobj::do_for_all_local_got_entries): New function.
2486         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2487         symtab_off to all symbol table offsets.
2488         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2489         * object.h (class Got_offset_list): Move to top of file.
2490         (Object::Object): Allow case where input_file == NULL.
2491         (Object::~Object): Likewise.
2492         (Object::input_file): Assert that input_file != NULL.
2493         (Object::lock): Allow case where input_file == NULL.
2494         (Object::unlock): Likewise.
2495         (Object::is_locked): Likewise.
2496         (Object::token): Likewise.
2497         (Object::release): Likewise.
2498         (Object::is_incremental): New function.
2499         (Object::get_mtime): New function.
2500         (Object::for_all_local_got_entries): New function.
2501         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2502         (Object::set_is_in_system_directory): New function.
2503         (Object::is_in_system_directory): New function.
2504         (Object::do_is_incremental): New function.
2505         (Object::do_get_mtime): New function.
2506         (Object::do_for_all_local_got_entries): New function.
2507         (Object::is_in_system_directory_): New data member.
2508         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2509         (class Sized_relobj_base): New class.
2510         (class Sized_relobj): Derive from Sized_relobj_base.
2511         (class Sized_relobj::Symbols): Redeclare from base class.
2512         (class Sized_relobj::local_got_offset_list): Remove.
2513         (class Sized_relobj::Output_sections): Redeclare from base class.
2514         (class Sized_relobj::do_for_all_local_got_entries): New function.
2515         (class Sized_relobj::write_local_symbols): Add offset parameter.
2516         (class Sized_relobj::local_symbol_offset_): Update comment.
2517         (class Sized_relobj::local_dynsym_offset_): Update comment.
2518         * options.cc (Input_arguments::add_file): Remove const.
2519         * options.h (Input_file_argument::Input_file_argument):
2520         Initialize arg_serial_ (all constructors).
2521         (Input_file_argument::set_arg_serial): New function.
2522         (Input_file_argument::arg_serial): New function.
2523         (Input_file_argument::arg_serial_): New data member.
2524         (Input_arguments::Input_arguments): Initialize file_count_.
2525         (Input_arguments::add_file): Remove const.
2526         (Input_arguments::number_of_input_files): New function.
2527         (Input_arguments::file_count_): New data member.
2528         (Command_line::number_of_input_files): Call
2529         Input_arguments::number_of_input_files.
2530         * output.cc (Output_segment_headers::Output_segment_headers):
2531         Set current size.
2532         (Output_section::Input_section::current_data_size): New function.
2533         (Output_section::Output_section): Initialize new data members.
2534         (Output_section::add_input_section): Don't do merge sections for
2535         an incremental link; allocate space from free list for an
2536         incremental update.
2537         (Output_section::add_output_section_data): Allocate space from
2538         free list for an incremental update.
2539         (Output_section::update_data_size): New function.
2540         (Output_section::set_fixed_layout): New function.
2541         (Output_section::reserve): New function.
2542         (Output_segment::set_section_addresses): Remove const.
2543         (Output_segment::set_section_list_addresses): Remove const; allocate
2544         space from free list for an incremental update.
2545         (Output_segment::set_offset): Adjust size of RELRO segment for an
2546         incremental update.
2547         * output.h (Output_data::current_data_size): Move here from
2548         child classes.
2549         (Output_data::pre_finalize_data_size): New function.
2550         (Output_data::update_data_size): New function.
2551         (Output_section_headers::update_data_size): new function.
2552         (Output_section_data_build::current_data_size): Move to Output_data.
2553         (Output_data_strtab::update_data_size): New function.
2554         (Output_section::current_data_size): Move to Output_data.
2555         (Output_section::set_fixed_layout): New function.
2556         (Output_section::has_fixed_layout): New function.
2557         (Output_section::reserve): New function.
2558         (Output_section::update_data_size): New function.
2559         (Output_section::has_fixed_layout_): New data member.
2560         (Output_section::free_list_): New data member.
2561         (Output_segment::set_section_addresses): Remove const.
2562         (Output_segment::set_section_list_addresses): Remove const.
2563         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2564         New function.
2565         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2566         New function.
2567         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2568         parameter when calling Add_symbols constructor; store argument
2569         serial number for members of a lib group.
2570         (Add_symbols::locks): Allow case where token == NULL.
2571         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2572         (Read_member::~Read_member): New function.
2573         (Read_member::is_runnable): New function.
2574         (Read_member::locks): New function.
2575         (Read_member::run): New function.
2576         (Check_script::~Check_script): New function.
2577         (Check_script::is_runnable): New function.
2578         (Check_script::locks): New function.
2579         (Check_script::run): New function.
2580         (Check_library::~Check_library): New function.
2581         (Check_library::is_runnable): New function.
2582         (Check_library::locks): New function.
2583         (Check_library::run): New function.
2584         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2585         (Add_symbols::library_): New data member.
2586         (class Read_member): New class.
2587         (class Check_script): New class.
2588         (class Check_library): New class.
2589         * reloc.cc (Read_relocs::is_runnable): Allow case where
2590         token == NULL.
2591         (Read_relocs::locks): Likewise.
2592         (Scan_relocs::locks): Likewise.
2593         (Relocate_task::locks): Likewise.
2594         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2595         to clear counters.
2596         (Sized_relobj::incremental_relocs_scan): Fix comment.
2597         (Sized_relobj::do_relocate): Pass output file offset to
2598         write_local_symbols.
2599         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2600         from class declaration.
2601         * script.cc (read_input_script): Allocate Script_info; pass
2602         argument serial number to report_script.
2603         * script.h (class Script_info): Move to incremental.h.
2604         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2605         * symtab.h (Symbol_table::add_from_incrobj): New function.
2606         (Symbol_table::set_file_offset): New function.
2607
2608 2011-04-05  Cary Coutant  <ccoutant@google.com>
2609
2610         * incremental-dump.cc (dump_incremental_inputs): Change signature
2611         to take a Sized_incremental_binary; change caller.  Use readers
2612         in Sized_incremental_binary.
2613         * incremental.cc
2614         (Sized_incremental_binary::find_incremental_inputs_sections):
2615         Rename do_find_incremental_inputs_sections to this.
2616         (Sized_incremental_binary::setup_readers): New function.
2617         (Sized_incremental_binary::do_check_inputs): Check
2618         has_incremental_info_ flag; move setup code to setup_readers;
2619         use input readers.
2620         (Sized_incremental_binary::do_file_is_unchanged): New function.
2621         (Sized_incremental_binary::do_get_input_reader): New function.
2622         * incremental.h (class Incremental_binary): Move to end of file.
2623         (Incremental_binary::file_is_unchanged): New function.
2624         (Incremental_binary::do_file_is_unchanged): New function.
2625         (Incremental_binary::Input_reader): New class.
2626         (Incremental_binary::get_input_reader): New function.
2627         (class Sized_incremental_binary): Move to end of file.
2628         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2629         input section reader classes.
2630         (Sized_incremental_binary::has_incremental_info): New function.
2631         (Sized_incremental_binary::inputs_reader): New function.
2632         (Sized_incremental_binary::symtab_reader): New function.
2633         (Sized_incremental_binary::relocs_reader): New function.
2634         (Sized_incremental_binary::got_plt_reader): New function.
2635         (Sized_incremental_binary::do_file_is_unchanged): New function.
2636         (Sized_incremental_binary::Sized_input_reader): New class.
2637         (Sized_incremental_binary::get_input_reader): New function.
2638         (Sized_incremental_binary::find_incremental_inputs_sections):
2639         Rename do_find_incremental_inputs_sections to this.
2640         (Sized_incremental_binary::setup_readers): New function.
2641         (Sized_incremental_binary::has_incremental_info_): New data member.
2642         (Sized_incremental_binary::inputs_reader_): New data member.
2643         (Sized_incremental_binary::symtab_reader_): New data member.
2644         (Sized_incremental_binary::relocs_reader_): New data member.
2645         (Sized_incremental_binary::got_plt_reader_): New data member.
2646         (Sized_incremental_binary::current_input_file_): New data member.
2647
2648 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2649
2650         PR gold/12640
2651         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2652         violation.
2653
2654 2011-03-30  Cary Coutant  <ccoutant@google.com>
2655
2656         * archive.cc (Archive::include_member): Adjust call to report_object.
2657         (Add_archive_symbols::run): Add script_info to call to
2658         report_archive_begin.
2659         (Lib_group::include_member): Adjust call to report_object.
2660         (Add_lib_group_symbols::run): Adjust call to report_object.
2661         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2662         blocks.  Add object count for script input files.
2663         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2664         script_info parameter; change all callers.
2665         (Incremental_inputs::report_object): Add script_info parameter;
2666         change all callers.
2667         (Incremental_inputs::report_script): Store backpointer to
2668         incremental info entry.
2669         (Output_section_incremental_inputs::set_final_data_size): Record
2670         additional information for scripts.
2671         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2672         * incremental.h (Incremental_script_entry::add_object): New function.
2673         (Incremental_script_entry::get_object_count): New function.
2674         (Incremental_script_entry::get_object): New function.
2675         (Incremental_script_entry::objects_): New data member; adjust
2676         constructor.
2677         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2678         (Incremental_inputs::report_object): Add script_info parameter.
2679         (Incremental_inputs_reader::get_object_count): New function.
2680         (Incremental_inputs_reader::get_object_offset): New function.
2681         * options.cc (Input_arguments::add_file): Return reference to
2682         new input argument.
2683         * options.h (Input_argument::set_script_info): New function.
2684         (Input_argument::script_info): New function.
2685         (Input_argument::script_info_): New data member; adjust all
2686         constructors.
2687         (Input_file_group::add_file): Return reference to new input argument.
2688         (Input_file_lib::add_file): Likewise.
2689         (Input_arguments::add_file): Likewise.
2690         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2691         * script.cc (Parser_closure::Parser_closure): Add script_info
2692         parameter; adjust all callers.
2693         (Parser_closure::script_info): New function.
2694         (Parser_closure::script_info_): New data member.
2695         (read_input_script): Report scripts earlier to incremental info.
2696         (script_add_file): Set script_info in Input_argument.
2697         (script_add_library): Likewise.
2698         * script.h (Script_options::Script_info): Rewrite class.
2699
2700 2011-03-29  Cary Coutant  <ccoutant@google.com>
2701
2702         * archive.cc (Library_base::should_include_member): Move
2703         method here from class Archive.
2704         (Archive::Archive): Initialize base class.
2705         (Archive::should_include_member): Move to base class.
2706         (Archive::do_for_all_unused_symbols): New function.
2707         (Add_archive_symbols::run): Remove redundant access to
2708         incremental_inputs.
2709         (Lib_group::Lib_group): Initialize base class.
2710         (Lib_group::do_filename): New function.
2711         (Lib_group::include_member): Pass pointer to Lib_group to
2712         report_object.
2713         (Lib_group::do_for_all_unused_symbols): New function.
2714         (Add_lib_group_symbols::run): Report archive information for
2715         incremental links.
2716         * archive.h (class Library_base): New base class.
2717         (class Archive): Derive from Library_base.
2718         (Archive::filename): Move to base class.
2719         (Archive::set_incremental_info): Likewise.
2720         (Archive::incremental_info): Likewise.
2721         (Archive::Should_include): Likewise.
2722         (Archive::should_include_member): Likewise.
2723         (Archive::Armap_entry): Remove.
2724         (Archive::Unused_symbol_iterator): Remove.
2725         (Archive::unused_symbols_begin): Remove.
2726         (Archive::unused_symbols_end): Remove.
2727         (Archive::do_filename): New function.
2728         (Archive::do_get_mtime): New function.
2729         (Archive::do_for_all_unused_symbols): New function.
2730         (Archive::task_): Move to base class.
2731         (Archive::incremental_info_): Likewise.
2732         (class Lib_group): Derive from Library_base.
2733         (Lib_group::do_filename): New function.
2734         (Lib_group::do_get_mtime): New function.
2735         (Lib_group::do_for_all_unused_symbols): New function.
2736         (Lib_group::task_): Move to base class.
2737         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2738         function.
2739         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2740         function.
2741         * incremental.cc (Incremental_inputs::report_archive_begin):
2742         Use Library_base; call library's get_mtime; add incremental inputs
2743         entry before members.
2744         (class Unused_symbol_visitor): New class.
2745         (Incremental_inputs::report_archive_end): Use Library_base; use
2746         visitor class to record unused symbols; don't add incremental inputs
2747         entry after members.
2748         (Incremental_inputs::report_object): Use Library_base.
2749         * incremental.h
2750         (Incremental_archive_entry::Incremental_archive_entry): Remove
2751         unused Archive parameter.
2752         (Incremental_inputs::report_archive_begin): Use Library_base.
2753         (Incremental_inputs::report_archive_end): Likewise.
2754         (Incremental_inputs::report_object): Likewise.
2755         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2756         function.
2757         * object.h (Object::for_all_global_symbols): New function.
2758         (Object::do_for_all_global_symbols): New function.
2759         (Sized_relobj::do_for_all_global_symbols): New function.
2760         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2761         function.
2762         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2763         function.
2764
2765 2011-03-27  Ian Lance Taylor  <iant@google.com>
2766
2767         * archive.cc (Archive::interpret_header): Return -1 if something
2768         goes wrong.  Change callers accordingly.
2769
2770 2011-03-25  Cary Coutant  <ccoutant@google.com>
2771
2772         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2773         * testsuite/Makefile.in: Regenerate.
2774
2775 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2776
2777         * plugin.cc (get_view): New.
2778         (Plugin::load): Pass get_view to the plugin.
2779         (Plugin_manager::get_view): New.
2780
2781 2011-03-21  Ian Lance Taylor  <iant@google.com>
2782
2783         * testsuite/final_layout.sh: Rewrite to not use dc.
2784         * testsuite/relro_test.sh: Fail if dc is not present.
2785
2786 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2787
2788         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2789         Change == to -eq.
2790         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2791         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2792         Change == to -eq.
2793         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2794         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2795
2796 2011-03-14  Ian Lance Taylor  <iant@google.com>
2797
2798         * script-sections.cc (Sort_output_sections::script_compare):
2799         Rename from is_before, change return type.
2800         (Sort_output_sections::operator()): Adjust accordingly.
2801
2802 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2803
2804         PR gold/12572
2805         * testsuite/odr_violation2.cc: Add comment to make all error line
2806         numbers double digits.
2807         * testsuite/debug_msg.sh: Adjust expected errors.
2808
2809 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2810
2811         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2812         but mark earlier ones as non-canonical
2813         (offset_to_iterator): Update search target and example
2814         (do_addr2line): Return extra lines in a vector*
2815         (format_file_lineno): Extract from do_addr2line
2816         (one_addr2line): Add vector* out-param
2817         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2818         when a lineno entry appeared last for its instruction
2819         (Dwarf_line_info): Add vector* out-param
2820         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2821         * symtab.cc (Odr_violation_compare): Include the lineno in the
2822         comparison again.
2823         (linenos_from_loc): New. Combine the canonical line for an
2824         address with its other lines.
2825         (True_if_intersect): New. Helper functor to make
2826         std::set_intersection a query.
2827         (detect_odr_violations): Compare sets of lines instead of just
2828         one line for each function. This became less deterministic, but
2829         has fewer false positives.
2830         * symtab.h: Declarations.
2831         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2832         mix an optimized and non-optimized object in the same binary
2833         (odr_violation2.so): Same.
2834         * testsuite/Makefile.in: Regenerate from Makefile.am.
2835         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2836         * testsuite/debug_msg.sh: Update line numbers and add
2837         assertions.
2838         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2839         non-optimized context.
2840         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2841         isn't inlined, and use OdrDerived in an optimized context.
2842         * testsuite/odr_header1.h: Defines OdrDerived, where
2843         optimization will change the
2844         first-instruction-in-the-destructor's file and line number.
2845         * testsuite/odr_header2.h: Defines OdrBase.
2846
2847 2011-03-09  Ian Lance Taylor  <iant@google.com>
2848
2849         * fileread.cc (File_read::clear_views): Don't delete the whole
2850         file view.
2851
2852 2011-03-08  Ian Lance Taylor  <iant@google.com>
2853
2854         PR gold/12525
2855         * fileread.cc: #include <climits>.
2856         (GOLD_IOV_MAX): Define.
2857         (File_read::read_multiple): Limit number of entries by iov_max.
2858         * fileread.h (class File_read): Always set max_readv_entries to
2859         128.
2860
2861 2011-03-07  Ian Lance Taylor  <iant@google.com>
2862
2863         PR gold/12525
2864         * options.h (class General_options): Add -dy and -dn.
2865
2866 2011-03-02  Cary Coutant  <ccoutant@google.com>
2867
2868         * testsuite/script_test_9.t: Add TLS segment.
2869
2870 2011-03-02  Simon Baldwin  <simonb@google.com>
2871
2872         * configure.ac: Add check for gnu_indirect_function support in
2873         the toolchain building binutils.
2874         * configure: Rebuild.
2875
2876 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2877
2878         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2879         plugin only symbols.
2880         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2881         in plugin files as not needed in the symbol table.
2882
2883 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2884
2885         * output.cc (Output_section::add_input_section): Delay fill
2886         generation for section ordering.
2887
2888 2011-02-09  Ian Lance Taylor  <iant@google.com>
2889
2890         PR gold/12316
2891         * object.h (class Sized_relobj): Remove clear_local_symbols.
2892         * reloc.cc (Sized_relobj::do_relocate): Don't call
2893         clear_local_symbols.
2894
2895 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2896
2897         * plugin.cc (is_visible_from_outside): Return true for symbols
2898         in the -u option.
2899
2900 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2901
2902         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2903         filename.
2904
2905 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2906
2907         * icf.h (is_section_foldable_candidate): Change type of parameter
2908         to std::string.
2909         * icf.cc (Icf::find_identical_sections): Change type of local variable
2910         section_name to be std::string.
2911         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2912
2913 2011-01-25  Ian Lance Taylor  <iant@google.com>
2914
2915         * script.cc (script_add_extern): Rewrite to use
2916         add_symbol_reference.
2917
2918 2011-01-25  Doug Kwan  <dougkwan@google.com>
2919
2920         * icf.cc (get_section_contents): Always lock section's object.
2921
2922 2011-01-24  Ian Lance Taylor  <iant@google.com>
2923
2924         * options.h (class General_options): Accept
2925         --no-detect-odr-violations.
2926
2927 2011-01-24  Ian Lance Taylor  <iant@google.com>
2928
2929         * version.cc (version_string): Bump to 1.11.
2930
2931 2011-01-24  Ian Lance Taylor  <iant@google.com>
2932
2933         * plugin.cc (class Plugin_rescan): Define new class.
2934         (Plugin_manager::claim_file): Set any_claimed_.
2935         (Plugin_manager::save_archive): New function.
2936         (Plugin_manager::save_input_group): New function.
2937         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2938         necessary.
2939         (Plugin_manager::new_undefined_symbol): New function.
2940         (Plugin_manager::rescan): New function.
2941         (Plugin_manager::rescannable_defines): New function.
2942         (Plugin_manager::add_input_file): Set any_added_.
2943         * plugin.h (class Plugin_manager): define new fields rescannable_,
2944         undefined_symbols_, any_claimed_, and any_added_.  Declare
2945         Plugin_rescan as friend.  Declare new functions.
2946         (Plugin_manager::Rescannable): Define type.
2947         (Plugin_manager::Rescannable_list): Define type.
2948         (Plugin_manager::Undefined_symbol_list): Define type.
2949         (Plugin_manager::Plugin_manager): Initialize new fields.
2950         * archive.cc (Archive::defines_symbol): New function.
2951         (Add_archive_symbols::run): Pass archive to plugins if any.
2952         * archive.h (class Archive): Declare defines_symbol.
2953         * readsyms.cc (Input_group::~Input_group): New function.
2954         (Finish_group::run): Pass input_group to plugins if any.
2955         * readsyms.h (class Input_group): Declare destructor.
2956         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2957         any.
2958
2959 2011-01-10  Ian Lance Taylor  <iant@google.com>
2960
2961         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2962         section as relro.
2963         (Layout::set_segment_offsets): Reset increase_relro before calling
2964         set_section_addresses a second time.
2965
2966 2011-01-04  Cary Coutant  <ccoutant@google.com>
2967
2968         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2969         sections before NOBITS sections.
2970
2971 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2972
2973         * version.cc (print_version): Update copyright to 2011.
2974
2975 2010-12-23  Cary Coutant  <ccoutant@google.com>
2976
2977         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2978         of OS to this->add.  Add OD parameter to second form of the function.
2979
2980 2010-12-20  Ian Lance Taylor  <iant@google.com>
2981
2982         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2983         second of two consecutive entries with same offset.
2984
2985 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2986
2987         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2988         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2989         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2990         to avoid unneeded links against $(LDADD).
2991         * testsuite/Makefile.in: Regenerate.
2992
2993 2010-12-15  Ian Lance Taylor  <iant@google.com>
2994
2995         PR gold/12324
2996         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2997         for R_X86_64_32 and R_X86_64_PC32.
2998         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2999         ver_matching_def_pic.o.
3000         (ver_matching_def_pic.o): New target.
3001
3002 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3003
3004         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3005         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3006         Move definition before File_read::View member definitions.
3007         (File_read::View::~View): Initialize and hold lock before
3008         updating current_mapped_bytes.
3009
3010 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3011
3012         * dwarf_reader.cc: Remove outdated comment.
3013         * gold-threads.cc: Fix typo in error message.
3014         * archive.cc: Fix typos in comments.
3015         * archive.h: Likewise.
3016         * arm-reloc-property.cc: Likewise.
3017         * arm-reloc-property.h: Likewise.
3018         * arm-reloc.def: Likewise.
3019         * arm.cc: Likewise.
3020         * attributes.h: Likewise.
3021         * cref.cc: Likewise.
3022         * ehframe.cc: Likewise.
3023         * fileread.h: Likewise.
3024         * gold.h: Likewise.
3025         * i386.cc: Likewise.
3026         * icf.cc: Likewise.
3027         * incremental.h: Likewise.
3028         * int_encoding.cc: Likewise.
3029         * layout.h: Likewise.
3030         * main.cc: Likewise.
3031         * merge.h: Likewise.
3032         * object.cc: Likewise.
3033         * object.h: Likewise.
3034         * options.cc: Likewise.
3035         * readsyms.cc: Likewise.
3036         * reduced_debug_output.cc: Likewise.
3037         * reloc.cc: Likewise.
3038         * script-sections.cc: Likewise.
3039         * sparc.cc: Likewise.
3040         * symtab.h: Likewise.
3041         * target-reloc.h: Likewise.
3042         * target.cc: Likewise.
3043         * target.h: Likewise.
3044         * timer.cc: Likewise.
3045         * timer.h: Likewise.
3046         * x86_64.cc: Likewise.
3047
3048 2010-12-09  Cary Coutant  <ccoutant@google.com>
3049
3050         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3051         stack.
3052         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3053         parameter; change all callers.
3054         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3055         * options.h (warn_execstack): New option.
3056
3057 2010-12-07  Doug Kwan  <dougkwan@google.com>
3058
3059         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3060         like function call relocations.
3061
3062 2010-12-07  Ian Lance Taylor  <iant@google.com>
3063
3064         * archive.cc (Archive::get_elf_object_for_member): Permit
3065         punconfigured to be NULL.
3066         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3067         (Archive::include_member): Pass NULL to get_elf_object_for_member
3068         if we searched for the archive and this is the first included
3069         object.
3070
3071 2010-12-01  Ian Lance Taylor  <iant@google.com>
3072
3073         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3074         track_relocs_type_ field.
3075         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3076         Set track_relocs_type_.
3077         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3078         contents when using RELA relocs.
3079         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3080         reloc_map_.
3081         * reloc.cc (Track_relocs::next_addend): New function.
3082         * reloc.h (class Track_relocs): Declare next_addend.
3083
3084 2010-12-01  Ian Lance Taylor  <iant@google.com>
3085
3086         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3087         virtual destructor.
3088
3089 2010-12-01  Ian Lance Taylor  <iant@google.com>
3090
3091         * README: Update compilers known to work and fail.
3092
3093 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3094
3095         * configure.in: For --enable-gold, handle value `default' instead of
3096         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3097         not the default.
3098         * configure: Regenerate.
3099
3100 2010-11-18  Doug Kwan  <dougkwan@google.com>
3101
3102         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3103         and right_alignment to be zero.  Store result alignment only if it is
3104         greater than existing alignment.
3105
3106 2010-11-16  Cary Coutant  <ccoutant@google.com>
3107
3108         PR gold/12220
3109         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3110         Check for ".zdebug_line".
3111
3112 2010-11-16  Doug Kwan  <dougkwan@google.com>
3113             Cary Coutant  <ccoutant@google.com>
3114
3115         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3116         by reference; adjust all callers.
3117         * output.cc (Output_segment::set_section_addresses): Adjust references
3118         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3119         list is empty.
3120         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3121         end at page boundary.
3122
3123 2010-11-16  Cary Coutant  <ccoutant@google.com>
3124
3125         PR gold/12220
3126         * layout.cc (Layout::choose_output_section): Transform names of
3127         compressed sections even when using a script with a SECTIONS clause.
3128         (Layout::output_section_name): Remove code to transform
3129         compressed debug section names.
3130         * output.cc (Output_section::add_input_section): Use uncompressed
3131         section size when tracking input sections.
3132
3133 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3134
3135         * symtab.h (Symbol::NON_PIC_REF): Remove.
3136         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3137         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3138         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3139         (Symbol::use_plt_offset): Take a flags argument and pass it
3140         directly to needs_dynamic_reloc.  Restrict check for undefined
3141         weak symbols to function calls.
3142         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3143         (Target_arm::Scan::global): Use it.
3144         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3145         (Target_arm::Relocate::relocate): Likewise.
3146         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3147         parameter with an r_type parameter.  Use get_reference_flags
3148         to get the flags.
3149         (Target_arm::Relocate::relocate): Update accordingly.
3150         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3151         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3152         (Target_i386::Scan::global): Likewise.
3153         (Target_i386::Relocate::relocate): Likewise.
3154         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3155         parameter with an r_type parameter.  Use get_reference_flags
3156         to get the flags.
3157         (Target_i386::Relocate::relocate): Update accordingly.
3158         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3159         (Target_powerpc::Scan::global): Use it.
3160         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3161         (Target_powerpc::Relocate::relocate): Likewise.
3162         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3163         (Target_sparc::Scan::global): Use it.
3164         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3165         (Target_sparc::Relocate::relocate): Likewise.
3166         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3167         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3168         (Target_x86_64::Scan::global): Likewise.
3169         (Target_x86_64::Relocate::relocate): Likewise.
3170
3171 2010-11-08  Doug Kwan  <dougkwan@google.com>
3172             Cary Coutant  <ccoutant@google.com>
3173
3174         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3175         (Arm_exidx_merge_section::section_contents_): New data member.
3176         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3177         (Arm_input_section::~Arm_input_section): De-allocate memory.
3178         (Arm_input_section::original_contents_): New data member.       
3179         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3180         in parameters instead of calling Object::section_contents without
3181         locking.
3182         (Arm_output_section::group_section): New parameter TASK.  Pass it
3183         to callees that need locking objects.
3184         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3185         to lock EXIDX input sections.  Fix a formatting issue.  Call
3186         Arm_exidx_merged_section::build_contents to create merged section
3187         contents.
3188         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3189         to lock object of stub table owner.
3190         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3191         TEXT_SIZE to initialize data member TEXT_SIZE_.
3192         (Arm_exidx_input_section::addralign): Fix typo in comment.
3193         (Arm_exidx_input_section::text_size): New method.
3194         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3195         that require locking objects.  Lock objects before scanning for stubs
3196         and updating local symbols.
3197         (Arm_input_section<big_endian>::init): Copy contents of original
3198         input section.
3199         (Arm_input_section<big_endian>::do_write): Use saved contents of
3200         original input section instead of calling Object::section_contents
3201         without locking.
3202         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3203         size without calling Object::section_size().
3204         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3205         for size.  Allocate a buffer for merged EXIDX entries.
3206         (Arm_exidx_merged_section::build_contents): New method.
3207         (Arm_exidx_merged_section::do_write): Move merge section contents
3208         building code to Arm_exidx_merged_section::build_contetns.  Write
3209         out contetns in buffer instead of building it on the fly.
3210         (Arm_relobj::make_exidx_input_section): Also pass text section size
3211         to Arm_exidx_input_section constructor.
3212         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3213         (Arm_dynobj::do_read_symbols): Fix memory leak.
3214         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3215         * target.h: (class Task): Add forward declaration.
3216         (Target::relax): Add new parameter TASK and pass it to
3217         Target::do_relax().
3218         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3219
3220 2010-11-05  Cary Coutant  <ccoutant@google.com>
3221
3222         PR gold/10708
3223         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3224         object when reading from the file.
3225         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3226         second layout pass.
3227         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3228         when reading section contents.
3229         (get_section_contents): Likewise.
3230         (icf::find_identical_sections): Likewise.
3231         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3232         object when reading from the file.
3233         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3234         the object when doing deferred section layout.
3235
3236 2010-11-03  Nick Clifton  <nickc@redhat.com>
3237
3238         PR gold/12001
3239         * script.h (class Symbol_assignment: name): New member.  Returns
3240         the name of the symbol.
3241         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3242         Returns true if the given symbol name is on the list of
3243         assignments wating to be processed.
3244         * archive.cc (should_incldue_member): If the symbol is undefined,
3245         check to see if it is on the list of symbols pending assignment.
3246
3247 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3248
3249         * script-sections.cc (Script_sections::find_memory_region): Check
3250         for a NULL output section pointer.
3251
3252 2010-10-29  Doug Kwan  <dougkwan@google.com>
3253
3254         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3255         Output_section::add_relaxed_input_section.
3256         * output.cc (Output_section::add_relaxed_input_section): Add new
3257         arguments LAYOUT and NAME.  Set section order index.
3258         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3259         Copy section order index.
3260         * output.h (Output_section::add_relaxed_input_section): Add new
3261         arguments LAYOUT and NAME.
3262
3263 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3264
3265         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3266         NATIVE_OR_CROSS_LINKER.
3267         * testsuite/Makefile.in: Regenerate.
3268
3269 2010-10-20  Doug Kwan  <dougkwan@google.com>
3270
3271         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3272         without SHF_LINK_ORDER flags.
3273         * layout.cc (Layout::choose_output_section): Do not filter
3274         SHF_LINK_ORDER flag in a relocatable link.
3275
3276 2010-10-17  Cary Coutant  <ccoutant@google.com>
3277
3278         * output.h (Output_segment::set_section_addresses): Change function
3279         signature.  Update all callers.
3280         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3281         sections.
3282         (Output_segment::set_section_addresses): Align after last TLS
3283         section.  Add padding before last relro section instead of after.
3284
3285 2010-10-17  Doug Kwan  <dougkwan@google.com>
3286
3287         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3288         GOT output section to be writable.
3289
3290 2010-10-14  Cary Coutant  <ccoutant@google.com>
3291
3292         * debug.h (DEBUG_INCREMENTAL): New flag.
3293         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3294         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3295         mode.
3296         * incremental.cc (report_command_line): Ignore all forms of
3297         --incremental.
3298         * layout.cc (Layout::Layout): Check parameters for incremental link
3299         mode.
3300         * options.cc (General_options::parse_incremental): New function.
3301         (General_options::parse_no_incremental): New function.
3302         (General_options::parse_incremental_full): New function.
3303         (General_options::parse_incremental_update): New function.
3304         (General_options::incremental_mode_): New data member.
3305         (General_options::finalize): Check incremental_mode_.
3306         * options.h (General_options): Update help text for --incremental.
3307         Add --no-incremental, --incremental-full, --incremental-update.
3308         (General_options::Incremental_mode): New enum type.
3309         (General_options::incremental_mode): New function.
3310         (General_options::incremental_mode_): New data member.
3311         * parameters.cc (Parameters::incremental_mode_): New data member.
3312         (Parameters::set_options): Set incremental_mode_.
3313         (Parameters::set_incremental_full): New function.
3314         (Parameters::incremental): New function.
3315         (Parameters::incremental_update): New function.
3316         (set_parameters_incremental_full): New function.
3317         * parameters.h (Parameters::set_incremental_full): New function.
3318         (Parameters::incremental): New function.
3319         (Parameters::incremental_update): New function.
3320         (Parameters::incremental_mode_): New data member.
3321         (set_parameters_incremental_full): New function.
3322         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3323         incremental link mode.
3324         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3325         (Sized_relobj::do_relocate_sections): Likewise.
3326         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3327         option.
3328         * testsuite/Makefile.in: Regenerate.
3329         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3330
3331 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3332
3333         * script-sections.h (class Script_sections): Make
3334         Sections_elements typedef public.
3335         * script-sections.cc (class Sort_output_sections): Add elements_
3336         field.  Add constructor which sets it; change all callers.
3337         (Sort_output_sections::is_before): New function.
3338         (Sort_output_sections::operator()): Call is_before.
3339         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3340         conditional.
3341         * testsuite/script_test_10.sh: New test. Test script section
3342         order.
3343         * testsuite/script_test_10.t: Likewise.
3344         * testsuite/script_test_10.s: Likewise.
3345         * testsuite/Makefile.am: Wrap the cross linker tests and the
3346         common tests into NATIVE_OR_CROSS_LINKER.
3347         (check_SCRIPTS): Add script_test_10.sh.
3348         (check_DATA): Add script_test_10.stdout.
3349         (script_test_10.o, script_test_10): New targets.
3350         (script_test_10.stdout): New target.
3351         * configure, testsuite/Makefile.in: Regenerate.
3352
3353 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3354
3355         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3356         error for the deprecated relocations.
3357         (Target_arm::Scan::global): Likewise.
3358         (Target_arm::Relocate::relocate): Likewise.
3359
3360 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3361
3362         * fileread.cc (Input_file::find_file): Initialize *found_name
3363         and *namep when using the fallback search for case 4.
3364
3365 2010-10-11  Cary Coutant  <ccoutant@google.com>
3366
3367         * options.h (class General_options): Redefine -z lazy as an alias for
3368         the negation of -z now.
3369
3370 2010-10-11  Ian Lance Taylor  <iant@google.com>
3371
3372         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3373         binding.
3374
3375 2010-10-06  Nick Clifton  <nickc@redhat.com>
3376
3377         * script-sections.cc(class Memory_region): Remove
3378         current_lma_offset_ field.  Rename current_vma_offset_ to
3379         current_offset_.  Add last_section_ field.
3380         (Memory_region::get_current_vma_address): Rename to
3381         get_current_address.
3382         (Memory_region::get_current_lma_address): Delete.
3383         (Memory_region::increment_vma_offset): Rename to
3384         increment_offset.
3385         (Memory_region::increment_lma_offset): Delete.
3386         (Memory_region::attributes_compatible): New method.  Returns
3387         true if the provided section is compatible with the region.
3388         (Memory_region::get_last_section): New method.  Returns the last
3389         section to use the region.
3390         (Memory_region::set_last_section): New method.  Stores the last
3391         section to use the region.
3392         (Script_sections::block_in_region): New method.  Returns true if
3393         a block of memory is contained within a region.
3394         (Script_sections::find_memory_region): New method.  Locates a
3395         memory region to be used to set a VMA or LMA address.
3396         (Output_section_definition::set_section_addresses): Add code to
3397         check for addresses set by memory regions.
3398         (Output_segment::set_section_addresses): Remove memory region
3399         walking code.
3400         (Script_sections::create_segment): Add a warning if a header
3401         segment is created outside of any region.
3402         * script-sections.h (class Script_sections): Add prototypes for
3403         find_memory_region and block_in_region methods.
3404         * testsuite/memory_test.s: Use .long instead of .word.
3405         * testsuite/memory_test.t: Add some more output sections.
3406         * testsuite/memory_test.sh: Update expected output.
3407
3408 2010-10-02  Doug Kwan  <dougkwan@google.com>
3409
3410         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3411         defintion to symtab.h
3412         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3413         declaration to defintion.
3414
3415 2010-10-01  Nick Clifton  <nickc@redhat.com>
3416
3417         * expression.cc (eval): Replace dummy argument with NULL.
3418         (eval_maybe_dot): Check for a NULL result section pointer.
3419         (Symbol_expression::value): Likewise.
3420         (Dot_expression::value): Likewise.
3421         (BINARY_EXPRESSION): Likewise.
3422         (Max_expression::value): Likewise.
3423         (Min_expression::value): Likewise.
3424         (Absolute_expression::value): Likewise.
3425         (Addr_expression::value_from_output_section): Likewise.
3426         (Loaddddr_expression::value_from_output_section): Likewise.
3427         (Segment_start_expression::value): Likewise.
3428         * script-sections.cc
3429         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3430         argument with NULL.
3431         (Sections_elememt_dot_assignment::set_section_addresses):
3432         Likewise.
3433         (Output_data_expression::do_write_to_buffer): Likewise.
3434         (Output_section_definition::finalize_symbols): Likewise.
3435         (Output_section_definition::set_section_addresses): Likewise.
3436
3437 2010-09-30  Doug Kwan  <dougkwan@google.com>
3438
3439         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3440
3441 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3442
3443         * target.h (Target::can_icf_inline_merge_sections): New virtual
3444         function.
3445         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3446         virtual function.
3447         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3448         virtual function.
3449         * icf.cc (get_section_contents): Inline merge sections only when
3450         target allows it.
3451
3452 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3453
3454         * configure: Regenerate.
3455
3456 2010-09-17  Ian Lance Taylor  <iant@google.com>
3457
3458         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3459         * testsuite/Makefile.am (memory_test.o): New target.
3460         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3461         memory_test.t.
3462         * testsuite/Makefile.in: Rebuild.
3463
3464 2010-09-17  Doug Kwan  <dougkwan@google.com>
3465
3466         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3467         defintion if relocation uses GOT entries of the symbol.
3468         * testsuite/icf_safe_test.sh: Fix test.
3469         * testsuite/icf_safe_so_test.sh: Fix test.
3470
3471 2010-09-16  Cary Coutant  <ccoutant@google.com>
3472
3473         * script_sections.cc (class Memory_region): Remove "NULL" from
3474         vector initializations.
3475
3476 2010-09-15  Cary Coutant  <ccoutant@google.com>
3477
3478         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3479         Resolve forwarding symbols.
3480
3481 2010-09-15  Doug Kwan  <dougkwan@google.com>
3482
3483         * gold/testsuite/script_test_3.t: Add ARM special sections.
3484         * gold/testsuite/script_test_4.t: Same.
3485         * gold/testsuite/script_test_5.t: Same.
3486         * gold/testsuite/script_test_6.t: Same.
3487         * gold/testsuite/script_test_7.t: Same.
3488         * gold/testsuite/script_test_7.t: Same.
3489         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3490
3491 2010-09-14  Cary Coutant  <ccoutant@google.com>
3492
3493         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3494         (Target_x86_64::Relocate::relocate_tls): Replace check for
3495         saw_tls_block_reloc_ with test for executable section.
3496
3497 2010-09-12  Cary Coutant  <ccoutant@google.com>
3498
3499         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3500         position-independent executables to shared libraries need dynamic
3501         relocations.
3502         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3503         position-independent executables.
3504         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3505         * testsuite/Makefile.in: Regenerate.
3506
3507 2010-09-10  Nick Clifton  <nickc@redhat.com>
3508
3509         PR gold/11997
3510         * testsuite/memory_test.t: Discard any sections that are not
3511         needed.
3512
3513 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3514
3515         PR gold/11996
3516         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3517         "This::" to work around a bug in gcc 4.2.
3518
3519         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3520
3521 2010-09-09  Rafael Espindola  <espindola@google.com>
3522
3523         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3524         sections with different PF_X flags in the same segment.
3525         (Layout::find_first_load_seg): Search all segments to find the first
3526         one.
3527         * options.h (rosegment): New.
3528
3529 2010-09-08  Rafael Espindola  <espindola@google.com>
3530
3531         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3532
3533 2010-09-08  Doug Kwan  <dougkwan@google.com>
3534
3535         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3536         (Arm_relobj::do_relocate_sections): Add new parameter for output
3537         file to match the parent.
3538         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3539         of local symbols instead of input values.  Update code to track
3540         changes in gold::relocate_section.
3541         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3542         (Sized_relobj::compute_final_local_value_internal): New methods.
3543         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3544         body into private version of Sized_relobj::compute_final_local_value.
3545         Call the inline method.
3546         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3547         merged symbol value if there is one.
3548         (Symbol_value::has_output_value): New method defintiion.
3549         (Sized_relobj::Compute_final_local_value_status): New enum type.
3550         (Sized_relobj::compute_final_local_value): New methods.
3551         (Sized_relobj::compute_final_local_value_internal): New methods.
3552         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3553         and arm_cortex_a8.sh.
3554         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3555         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3556         New tests.
3557         * Makefile.in: Regenerate.
3558         * testsuite/arm_bl_out_of_range.s: Update test.
3559         * testsuite/thumb_bl_out_of_range.s: Ditto.
3560         * testsuite/thumb_blx_out_of_range.s: Ditto.
3561         * testsuite/arm_branch_out_of_range.sh: New file.
3562         * testsuite/arm_cortex_a8.sh: Ditto.
3563         * testsuite/arm_cortex_a8_b.s: Ditto.
3564         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3565         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3566         * testsuite/arm_cortex_a8_bl.s: Ditto.
3567         * testsuite/arm_cortex_a8_blx.s: Ditto.
3568         * testsuite/arm_cortex_a8_local.s: Ditto.
3569         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3570         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3571
3572 2010-09-08  Rafael Espindola  <espindola@google.com>
3573
3574         * Makefile.am (memory_test.stdout): Run readelf with -W.
3575         * Makefile.in: Regenerate.
3576         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3577         64 bit output.
3578
3579 2010-09-08  Rafael Espindola  <espindola@google.com>
3580
3581         * script-sections.cc (Script_sections::add_memory_region): Convert
3582         field precision to int.
3583         * script.cc (script_set_section_region, script_set_section_region):
3584         Convert field precision to int.
3585
3586 2010-09-08  Rafael Espindola  <espindola@google.com>
3587
3588         * arm.cc (do_finalize_sections): Create the __exidx_start and
3589         __exdix_end symbols even when the section is missing.
3590
3591 2010-09-08  Nick Clifton  <nickc@redhat.com>
3592
3593         * README: Remove claim that MEMORY is not supported.
3594         * expression.cc (script_exp_function_origin)
3595         (script_exp_function_length): Move from here to ...
3596         * script.cc: ... here.
3597         (script_set_section_region, script_add_memory)
3598         (script_parse_memory_attr, script_include_directive): New
3599         functions.
3600         * script-sections.cc
3601         (class Memory_region): New class.
3602         (class Output_section_definition): Add set_memory_region,
3603         set_section_vma, set_section_lma and get_section_name methods.
3604         (class Script_Sections): Add add_memory_region,
3605         find_memory_region, find_memory_region_origin,
3606         find_memory_region_length and set_memory_region methods.
3607         Have set_section_addresses method walk the list of set memory
3608         regions.
3609         Extend the print methos to display memory regions.
3610         * script-sections.h: Add prototypes for new methods.
3611         Add enum for MEMORY region attributes.
3612         * yyscript.y: Add support for parsing MEMORY regions.
3613         * script-c.h: Add prototypes for new functions.
3614         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3615         * testsuite/Makefile.in: Regenerate.
3616         * testsuite/memory_test.sh: New script.
3617         * testsuite/memory_test.s: New assembler source file.
3618         * testsuite/memory_test.t: New linker script.
3619
3620 2010-08-27  Doug Kwan  <dougkwan@google.com>
3621
3622         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3623         reference override an existing dynamic weak reference.
3624         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3625         * testsuite/Makefile.in: Regenerate.
3626         * testsuite/dyn_weak_ref.sh: New file.
3627         * testsuite/dyn_weak_ref_1.c: Ditto.
3628         * testsuite/dyn_weak_ref_2.c: Ditto.
3629
3630 2010-08-27  Ian Lance Taylor  <iant@google.com>
3631
3632         * incremental.h (class Incremental_input_entry): Add virtual
3633         destructor.
3634
3635 2010-08-27  Ian Lance Taylor  <iant@google.com>
3636
3637         * testsuite/start_lib_test_3.c: Mark t3 as used.
3638
3639 2010-08-27  Nick Clifton  <nickc@redhat.com>
3640
3641         * options.cc (version_script): Fix small typo in previous
3642         whitespace tidyup.
3643
3644 2010-08-25  Nick Clifton  <nickc@redhat.com>
3645
3646         * archive.cc: Formatting fixes: Remove whitespace between
3647         typename and following asterisk.  Remove whitespace between
3648         function name and opening parenthesis.
3649         * archive.h: Likewise.
3650         * arm.cc: Likewise.
3651         * attributes.cc: Likewise.
3652         * attributes.h: Likewise.
3653         * common.cc: Likewise.
3654         * copy-relocs.cc: Likewise.
3655         * dirsearch.h: Likewise.
3656         * dynobj.cc: Likewise.
3657         * ehframe.cc: Likewise.
3658         * ehframe.h: Likewise.
3659         * expression.cc: Likewise.
3660         * fileread.cc: Likewise.
3661         * fileread.h: Likewise.
3662         * gc.h: Likewise.
3663         * gold-threads.cc: Likewise.
3664         * gold.cc: Likewise.
3665         * i386.cc: Likewise.
3666         * icf.h: Likewise.
3667         * incremental-dump.cc: Likewise.
3668         * incremental.cc: Likewise.
3669         * layout.cc: Likewise.
3670         * layout.h: Likewise.
3671         * main.cc: Likewise.
3672         * merge.cc: Likewise.
3673         * merge.h: Likewise.
3674         * object.cc: Likewise.
3675         * object.h: Likewise.
3676         * options.cc: Likewise.
3677         * options.h: Likewise.
3678         * output.cc: Likewise.
3679         * output.h: Likewise.
3680         * plugin.cc: Likewise.
3681         * plugin.h: Likewise.
3682         * powerpc.cc: Likewise.
3683         * reloc.cc: Likewise.
3684         * script-c.h: Likewise.
3685         * script-sections.cc: Likewise.
3686         * script.cc: Likewise.
3687         * stringpool.cc: Likewise.
3688         * symtab.cc: Likewise.
3689         * symtab.h: Likewise.
3690         * target.cc: Likewise.
3691         * timer.cc: Likewise.
3692         * timer.h: Likewise.
3693         * version.cc: Likewise.
3694         * x86_64.cc: Likewise.
3695
3696 2010-08-24  Nick Clifton  <nickc@redhat.com>
3697
3698         PR 11899
3699         * layout.cc (segment_precedes): Sort segments by their physical
3700         addresses, if they have been set.
3701
3702 2010-08-23  Cary Coutant  <ccoutant@google.com>
3703
3704         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3705         symbols data.
3706         (Lib_group::include_member): Unlock object after deleting its
3707         symbols data.
3708         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3709         the bug fixed here.
3710
3711 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3712             Cary Coutant  <ccoutant@google.com>
3713
3714         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3715         constructor, and set_blocker.
3716         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3717         readsyms_blocker_.
3718         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3719         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3720         * testsuite/Makefile.am (start_lib_test): New test case.
3721         * testsuite/Makefile.in: Regenerate.
3722         * testsuite/start_lib_test_main.c: New file.
3723         * testsuite/start_lib_test_1.c: New file.
3724         * testsuite/start_lib_test_2.c: New file.
3725         * testsuite/start_lib_test_3.c: New file.
3726
3727 2010-08-19  Ian Lance Taylor  <iant@google.com>
3728
3729         * Makefile.in: Rebuild with automake 1.11.1.
3730         * aclocal.m4: Likewise.
3731         * testsuite/Makefile.in: Likewise.
3732
3733 2010-08-19  Ian Lance Taylor  <iant@google.com>
3734
3735         PR 10893
3736         * i386.cc (class Output_data_plt_i386): Update declarations.
3737         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3738         local_ifuncs_ fields.
3739         (Target_i386::do_plt_section_for_global): New function.
3740         (Target_i386::do_plt_section_for_local): New function.
3741         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3742         parameter; change all callers.  Initialize global_ifuncs_ and
3743         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3744         __rel_iplt_end.
3745         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3746         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3747         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3748         symbols.
3749         (Target_i386::make_plt_section): New function, broken out of
3750         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3751         (Target_i386::make_plt_entry): Call make_plt_section.
3752         (Target_i386::make_local_ifunc_plt_entry): New function.
3753         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3754         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3755         R_386_IRELATIVE to switch.
3756         (Target_i386::Scan::global): Likewise.
3757         (Target_i386::Relocate::relocate): Likewise.
3758         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3759         switch.
3760         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3761         (Target_x86_64::do_plt_section_for_global): New function.
3762         (Target_x86_64::do_plt_section_for_local): New function.
3763         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3764         parameter; change all callers.  If doing a static link define
3765         __rela_iplt_start and __rela_iplt_end.
3766         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3767         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3768         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3769         to point to .plt.
3770         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3771         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3772         switch.
3773         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3774         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3775         R_X86_64_IRELATIVE to switch.
3776         (Target_x86_64::Scan::global): Likewise.
3777         (Target_x86_64::Relocate::relocate): Likewise.
3778         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3779         switch.
3780         * target.h (class Target): Add plt_section_for_global and
3781         plt_section_for_local functions.  Add do_plt_section_for_global
3782         and do_plt_section_for_local virtual functions.
3783         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3784         clarifying comments.
3785         (Symbol::use_plt_offset): Handle IFUNC symbol.
3786         * object.cc (Sized_relobj::Sized_relobj): Initialize
3787         local_plt_offsets_.
3788         (Sized_relobj::local_has_plt_offset): New function.
3789         (Sized_relobj::local_plt_offset): New function.
3790         (Sized_relobj::set_local_plt_offset): New function.
3791         (Sized_relobj::do_count): Handle IFUNC symbol.
3792         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3793         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3794         is_ifunc_symbol functions.
3795         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3796         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3797         local_plt_offsets_ field.
3798         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3799         * output.h (class Output_section_data): Add non-const
3800         output_section function.
3801         (class Output_data_got): Update declarations.
3802         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3803         Add use_plt_offset parameter to global and local constructors.
3804         Change all callers.  Change local_sym_index_ field to 31 bits.
3805         Change GSYM_CODE and CONSTANT_CODE accordingly.
3806         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3807         doing a static link don't set sh_link field.
3808         (Output_data_got::Got_entry::write): Use PLT offset if
3809         appropriate.
3810         (Output_data_got::add_global_plt): New function.
3811         (Output_data_got::add_local_plt): New function.
3812         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3813         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3814         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3815         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3816         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3817         IFUNC conditional.
3818         * testsuite/ifunc-sel.h: New file.
3819         * testsuite/ifuncmain1.c: New file.
3820         * testsuite/ifuncmain1vis.c: New file.
3821         * testsuite/ifuncmod1.c: New file.
3822         * testsuite/ifuncdep2.c: New file.
3823         * testsuite/ifuncmain2.c: New file.
3824         * testsuite/ifuncmain3.c: New file.
3825         * testsuite/ifuncmod3.c: New file.
3826         * testsuite/ifuncmain4.c: New file.
3827         * testsuite/ifuncmain5.c: New file.
3828         * testsuite/ifuncmod5.c: New file.
3829         * testsuite/ifuncmain6pie.c: New file.
3830         * testsuite/ifuncmod6.c: New file.
3831         * testsuite/ifuncmain7.c: New file.
3832         * configure, testsuite/Makefile.in: Rebuild.
3833
3834 2010-08-18  Ian Lance Taylor  <iant@google.com>
3835
3836         * incremental.cc
3837         (Output_section_incremental_inputs::write_input_files): Add cast
3838         to avoid signed/unsigned comparison warning.
3839         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3840
3841 2010-08-12  Cary Coutant  <ccoutant@google.com>
3842
3843         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3844
3845 2010-08-13  Ian Lance Taylor  <iant@google.com>
3846
3847         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3848
3849 2010-08-12  Cary Coutant  <ccoutant@google.com>
3850             Doug Kwan  <dougkwan@google.com>
3851
3852         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3853         defintion overrides non-weak undef, remember that the original undef
3854         is not weak.
3855         * symtab.cc (Symbol_table::sized_write_global): For undef without
3856         an original weak binding, set binding to global in output.
3857         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3858         * testsuite/Makefile.in: Regenerate.
3859         * testsuite/strong_ref_weak_def.sh: New file.
3860         * testsuite/strong_ref_weak_def_1.c: Ditto.
3861         * testsuite/strong_ref_weak_def_2.c: Ditto.
3862
3863 2010-08-12  Cary Coutant  <ccoutant@google.com>
3864
3865         * testsuite/incremental_test.sh: Rewrite.
3866         * testsuite/incremental_test_1.c: Rewrite.
3867         * testsuite/incremental_test_2.c: Rewrite.
3868
3869 2010-08-12  Cary Coutant  <ccoutant@google.com>
3870
3871         * arm.cc (Target_arm::got_size): Add const.
3872         (Target_arm::got_entry_count): New function.
3873         (Target_arm::plt_entry_count): New function.
3874         (Target_arm::first_plt_entry_offset): New function.
3875         (Target_arm::plt_entry_size): New function.
3876         (Output_data_plt_arm::entry_count): New function.
3877         (Output_data_plt_arm::first_plt_entry_offset): New function.
3878         (Output_data_plt_arm::get_plt_entry_size): New function.
3879         * i386.cc (Target_i386::got_size): Add const.
3880         (Target_i386::got_entry_count): New function.
3881         (Target_i386::plt_entry_count): New function.
3882         (Target_i386::first_plt_entry_offset): New function.
3883         (Target_i386::plt_entry_size): New function.
3884         (Output_data_plt_i386::entry_count): New function.
3885         (Output_data_plt_i386::first_plt_entry_offset): New function.
3886         (Output_data_plt_i386::get_plt_entry_size): New function.
3887         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3888         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3889         * incremental.cc: Include target.h.
3890         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3891         parameter.  Adjust all callers.  Find incremental_got_plt section.
3892         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3893         section.
3894         (Output_section_incremental_inputs::set_final_data_size): Calculate
3895         size of incremental_got_plt section.
3896         (Output_section_incremental_inputs::do_write): Write the
3897         incremental_got_plt section.
3898         (Got_plt_view_info): New struct.
3899         (Local_got_offset_visitor): New class.
3900         (Global_got_offset_visitor): New class.
3901         (Global_symbol_visitor_got_plt): New class.
3902         (Output_section_incremental_inputs::write_got_plt): New function.
3903         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3904         Add parameter.  Adjust all callers.
3905         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3906         (Incremental_inputs::got_plt_section): New function.
3907         (Incremental_inputs::got_plt_section_): New data member.
3908         (Incremental_got_plt_reader): New class.
3909         * layout.cc (Layout::create_incremental_info_sections): Add the
3910         incremental_got_plt section.
3911         * object.h (Got_offset_list::get_list): New function.
3912         (Got offset_list::for_all_got_offsets): New function.
3913         (Sized_relobj::local_got_offset_list): New function.
3914         * powerpc.cc (Target_powerpc::got_size): Add const.
3915         (Target_powerpc::got_entry_count): New function.
3916         (Target_powerpc::plt_entry_count): New function.
3917         (Target_powerpc::first_plt_entry_offset): New function.
3918         (Target_powerpc::plt_entry_size): New function.
3919         (Output_data_plt_powerpc::entry_count): New function.
3920         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3921         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3922         * sparc.cc (Target_sparc::got_size): Add const.
3923         (Target_sparc::got_entry_count): New function.
3924         (Target_sparc::plt_entry_count): New function.
3925         (Target_sparc::first_plt_entry_offset): New function.
3926         (Target_sparc::plt_entry_size): New function.
3927         (Output_data_plt_sparc::entry_count): New function.
3928         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3929         (Output_data_plt_sparc::get_plt_entry_size): New function.
3930         * symtab.h (Symbol::got_offset_list): New function.
3931         (Symbol_table::for_all_symbols): New function.
3932         * target.h (Sized_target::got_entry_count): New function.
3933         (Sized_target::plt_entry_count): New function.
3934         (Sized_target::plt_entry_size): New function.
3935         * x86_64.cc (Target_x86_64::got_size): Add const.
3936         (Target_x86_64::got_entry_count): New function.
3937         (Target_x86_64::plt_entry_count): New function.
3938         (Target_x86_64::first_plt_entry_offset): New function.
3939         (Target_x86_64::plt_entry_size): New function.
3940         (Output_data_plt_x86_64::entry_count): New function.
3941         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3942         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3943
3944 2010-08-12  Cary Coutant  <ccoutant@google.com>
3945
3946         * archive.cc: Include incremental.h.
3947         (Archive::Archive): Initialize incremental_info_.
3948         (Archive::include_member): Record archive members in incremental info.
3949         (Add_archive_symbols::run): Record begin and end of an archive in
3950         incremental info.
3951         (Lib_group::include_member): Record objects in incremental info.
3952         * archive.h (Incremental_archive_entry): Forward declaration.
3953         (Archive::set_incremental_info): New member function.
3954         (Archive::incremental_info): New member function.
3955         (Archive::Unused_symbol_iterator): New class.
3956         (Archive::unused_symbols_begin): New member function.
3957         (Archive::unused_symbols_end): New member function.
3958         (Archive::incremental_info_): New data member.
3959         * incremental-dump.cc (find_input_containing_global): New function.
3960         (dump_incremental_inputs): Dump new incremental info sections.
3961         * incremental.cc: Include symtab.h.
3962         (Output_section_incremental_inputs): New class.
3963         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3964         new incremental info sections.
3965         (Sized_incremental_binary::do_check_inputs): Likewise.
3966         (Incremental_inputs::report_archive): Remove.
3967         (Incremental_inputs::report_archive_begin): New function.
3968         (Incremental_inputs::report_archive_end): New function.
3969         (Incremental_inputs::report_object): New function.
3970         (Incremental_inputs::finalize_inputs): Remove.
3971         (Incremental_inputs::report_input_section): New function.
3972         (Incremental_inputs::report_script): Rewrite.
3973         (Incremental_inputs::finalize): Do nothing but finalize string table.
3974         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3975         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3976         (Incremental_inputs::create_data_sections): New function.
3977         (Incremental_inputs::relocs_entsize): New function.
3978         (Output_section_incremental_inputs::set_final_data_size): New function.
3979         (Output_section_incremental_inputs::do_write): New function.
3980         (Output_section_incremental_inputs::write_header): New function.
3981         (Output_section_incremental_inputs::write_input_files): New function.
3982         (Output_section_incremental_inputs::write_info_blocks): New function.
3983         (Output_section_incremental_inputs::write_symtab): New function.
3984         * incremental.h (Incremental_script_entry): Forward declaration.
3985         (Incremental_object_entry): Forward declaration.
3986         (Incremental_archive_entry): Forward declaration.
3987         (Incremental_inputs): Forward declaration.
3988         (Incremental_inputs_header_data): Remove.
3989         (Incremental_inputs_header): Remove.
3990         (Incremental_inputs_header_write): Remove.
3991         (Incremental_inputs_entry_data): Remove.
3992         (Incremental_inputs_entry): Remove.
3993         (Incremental_inputs_entry_write): Remove.
3994         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3995         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3996         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3997         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3998         Likewise.
3999         (Incremental_input_entry): New class.
4000         (Incremental_script_entry): New class.
4001         (Incremental_object_entry): New class.
4002         (Incremental_archive_entry): New class.
4003         (Incremental_inputs::Incremental_inputs): Initialize new data members.
4004         (Incremental_inputs::report_inputs): Remove.
4005         (Incremental_inputs::report_archive): Remove.
4006         (Incremental_inputs::report_archive_begin): New function.
4007         (Incremental_inputs::report_archive_end): New function.
4008         (Incremental_inputs::report_object): Change prototype.
4009         (Incremental_inputs::report_input_section): New function.
4010         (Incremental_inputs::report_script): Change prototype.
4011         (Incremental_inputs::get_reloc_count): New function.
4012         (Incremental_inputs::set_reloc_count): New function.
4013         (Incremental_inputs::create_data_sections): New function.
4014         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4015         (Incremental_inputs::inputs_section): New function.
4016         (Incremental_inputs::symtab_section): New function.
4017         (Incremental_inputs::relocs_section): New function.
4018         (Incremental_inputs::get_stringpool): Add const.
4019         (Incremental_inputs::command_line): Add const.
4020         (Incremental_inputs::inputs): Remove.
4021         (Incremental_inputs::command_line_key): New function.
4022         (Incremental_inputs::input_file_count): New function.
4023         (Incremental_inputs::input_files): New function.
4024         (Incremental_inputs::relocs_entsize): New function.
4025         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4026         (Incremental_inputs::finalize_inputs): Remove.
4027         (Incremental_inputs::Input_info): Remove.
4028         (Incremental_inputs::lock_): Remove.
4029         (Incremental_inputs::inputs_): Change type.
4030         (Incremental_inputs::inputs_map_): Remove.
4031         (Incremental_inputs::current_object_entry_): New data member.
4032         (Incremental_inputs::inputs_section_): New data member.
4033         (Incremental_inputs::symtab_section_): New data member.
4034         (Incremental_inputs::relocs_section_): New data member.
4035         (Incremental_inputs::reloc_count_): New data member.
4036         (Incremental_inputs_reader): New class.
4037         (Incremental_symtab_reader): New class.
4038         (Incremental_relocs_reader): New class.
4039         * layout.cc (Layout::finalize): Move finalization of incremental info
4040         and creation of incremental info sections to follow finalization of
4041         symbol table.  Set offsets for postprocessing sections.
4042         (Layout::create_incremental_info_sections): Call
4043         Incremental_inputs::create_data_sections.  Add incremental symtab
4044         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4045         sections to layout after input sections.
4046         * layout.h (struct Timespec): Forward declaration.
4047         (Layout::incremental_inputs): Add const.
4048         (Layout::create_incremental_info_sections): Add parameter.
4049         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4050         * object.cc: Include incremental.h.
4051         (Relobj::finalize_incremental_relocs): New function.
4052         (Sized_relobj::do_layout): Record input sections in incremental info.
4053         * object.h (Object::output_section): New function.
4054         (Object::output_section_offset): Moved from Relobj.
4055         (Object::get_incremental_reloc_base): New function.
4056         (Object::get_incremental_reloc_count): New function.
4057         (Object::do_output_section): New function.
4058         (Object::do_output_section_offset): Moved from Relobj.
4059         (Object::do_get_incremental_reloc_base): New function.
4060         (Object::do_get_incremental_reloc_count): New function.
4061         (Object::Object): Initialize new data members.
4062         (Relobj::output_section): Renamed do_output_section and moved to
4063         protected.
4064         (Relobj::output_section_offset): Moved to Object.
4065         (Relobj::do_get_incremental_reloc_base): New function.
4066         (Relobj::do_get_incremental_reloc_count): New function.
4067         (Relobj::allocate_incremental_reloc_counts): New function.
4068         (Relobj::count_incremental_reloc): New function.
4069         (Relobj::finalize_incremental_relocs): New function.
4070         (Relobj::next_incremental_reloc_index): New function.
4071         (Relobj::reloc_counts_): New data member.
4072         (Relobj::reloc_bases_): New data member.
4073         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4074         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4075         (Sized_relobj::incremental_relocs_scan): New function.
4076         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4077         (Sized_relobj::incremental_relocs_write): New function.
4078         (Sized_relobj::incremental_relocs_write_reltype): New function.
4079         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4080         incremental link.
4081         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4082         archives and object files elsewhere.
4083         (Add_symbols::run): Report object files here.
4084         (Finish_group::run): Report end of archive at end of group.
4085         * reloc.cc: Include layout.h, incremental.h.
4086         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4087         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4088         (Sized_relobj::incremental_relocs_scan): New function.
4089         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4090         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4091         (Sized_relobj::incremental_relocs_write): New function.
4092         (Sized_relobj::incremental_relocs_write_reltype): New function.
4093         * script.cc (read_input_script): Rewrite test for incremental link.
4094         Change call to Incremental_inputs::report_script.
4095         * symtab.h (Symbol_table::first_global_index): New function.
4096         (Symbol_table::output_count): New function.
4097
4098 2010-08-12  Doug Kwan  <dougkwan@google.com>
4099
4100         * arm.cc (Target_arm::merge_object_attributes): Check command line
4101         options --no-wchar-size-warning and --no-enum-size-warning.
4102         * options.h (General_options): Add ld-compatible options
4103         --no-enum-size-warning and --no-wchar-size-warning.
4104
4105 2010-08-04  Ian Lance Taylor  <iant@google.com>
4106
4107         * x86_64.cc (Target_x86_64::Scan::local): Use
4108         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4109         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4110         (Target_x86_64::Scan::global): Likewise.
4111         (Target_x86_64::Relocate::relocate): Likewise.
4112         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4113         Likewise.
4114
4115 2010-08-03  Cary Coutant  <ccoutant@google.com>
4116
4117         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4118         to reserve space in merged_strings vector. Keep total input size
4119         for stats.
4120         (Output_merge_string::do_print_merge_stats): Print total input size.
4121         * merge.h (Output_merge_string): Add input_size_ field.
4122         * stringpool.cc (Stringpool_template::string_length): Move
4123         implementations out of Stringpool_template class and place in
4124         stringpool.h.
4125         * stringpool.h (string_length): Move out of Stringpool_template.
4126
4127 2010-08-03  Ian Lance Taylor  <iant@google.com>
4128
4129         PR 11712
4130         * layout.cc (relaxation_loop_body): If address of load segment is
4131         set, adjust address to include headers if possible.
4132
4133 2010-08-03  Ian Lance Taylor  <iant@google.com>
4134
4135         * version.cc (version_string): Bump to 1.10.
4136
4137 2010-08-03  Ian Lance Taylor  <iant@google.com>
4138
4139         PR 11805
4140         * layout.h (enum Output_section_order): Define.
4141         (class Layout): Update declarations.
4142         * layout.cc (Layout::get_output_section): Add order parameter.
4143         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4144         is_first_non_relro parameters.  Change all callers.
4145         (Layout::choose_output_section): Likewise.
4146         (Layout::add_output_section_data): Likewise.
4147         (Layout::make_output_section): Likewise.  Set order.
4148         (Layout::default_section_order): New function.
4149         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4150         * output.cc (Output_section::Output_section): Initialize order_.
4151         Don't initialize deleted fields.
4152         (Output_segment::Output_segment): Don't initialize deleted
4153         fields.
4154         (Output_segment::add_output_section_to_load): New function
4155         replacing add_output_section.  Change all callers to call this or
4156         add_output_section_to_nonload.
4157         (Output_segment::add_output_section_to_nonload): New function.
4158         (Output_segment::remove_output_section): Rewrite.
4159         (Output_segment::add_initial_output_data): Likewise.
4160         (Output_segment::has_any_data_sections): Likewise.
4161         (Output_segment::is_first_section_relro): Likewise.
4162         (Output_segment::maximum_alignment): Likewise.
4163         (Output_segment::has_dynamic_reloc): New function replacing
4164         dynamic_reloc_count.  Change all callers.
4165         (Output_segment::has_dynamic_reloc_list): New function replacing
4166         dynamic_reloc_count_list.  Change all callers.
4167         (Output_segment::set_section_addresses): Rewrite.
4168         (Output_segment::set_offset): Rewrite.
4169         (Output_segment::find_first_and_last_list): Remove.
4170         (Output_segment::set_tls_offsets): Rewrite.
4171         (Output_segment::first_section_load_address): Likewise.
4172         (Output_segment::output_section_count): Likewise.
4173         (Output_segment::section_with_lowest_load_address): Likewise.
4174         (Output_segment::write_section_headers): Likewise.
4175         (Output_segment::print_sections_to_map): Likewise.
4176         * output.h (class Output_data): Remove dynamic_reloc_count_
4177         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4178         (Output_data::add_dynamic_reloc): Rewrite.
4179         (Output_data::has_dynamic_reloc): New function.
4180         (Output_data::dynamic_reloc_count): Remove.
4181         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4182         is_last_relro_, is_first_non_relro_, is_interp_,
4183         is_dynamic_linker_section_ fields.  Add order and set_order
4184         functions.  Remove is_relro_local, set_is_relro_local,
4185         is_last_relro, set_is_last_relro, is_first_non_relro,
4186         set_is_first_non_relro functions, is_interp, set_is_interp,
4187         is_dynamic_linker_section, and set_is_dynamic_linker_section
4188         functions.
4189         (class Output_segment): Change Output_data_list from std::list to
4190         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4191         output_bss_ fields.  Update declarations.
4192
4193 2010-08-02  Ian Lance Taylor  <iant@google.com>
4194
4195         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4196         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4197         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4198
4199 2010-08-02  Ian Lance Taylor  <iant@google.com>
4200
4201         PR 11855
4202         * script.cc (Script_options::Script_options): Initialize
4203         symbol_definitions_ and symbol_references_.
4204         (Script_options::add_symbol_assignment): Update
4205         symbol_definitions_ and symbol_references_.
4206         (Script_options::add_symbol_reference): New function.
4207         (script_symbol): New function.
4208         * script.h (class Script_options): Add symbol_definitions_ and
4209         symbol_references_ fields.
4210         (Script_options::referenced_const_iterator): New type.
4211         (Script_options::referenced_begin): New function.
4212         (Script_options::referenced_end): New function.
4213         (Script_options::is_referenced): New function.
4214         (Script_options::any_unreferenced): New function.
4215         * script-c.h (script_symbol): Declare.
4216         * yyscript.y (exp): Call script_symbol.
4217         * symtab.cc: Include "script.h".
4218         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4219         Change all callers.  Check symbols referenced by scripts.
4220         (Symbol_table::add_undefined_symbols_from_command_line): Add
4221         layout parameter.  Change all callers.
4222         (Symbol_table::do_add_undefined_symbols_from_command_line):
4223         Likewise.  Break out loop body.  Check symbols referenced by
4224         scripts.
4225         (Symbol_table::add_undefined_symbol_from_command_line): New
4226         function broken out of
4227         do_add_undefined_symbols_from_command_line.
4228         * symtab.h (class Symbol_table): Update declarations.
4229         * archive.cc: Include "layout.h".
4230         (Archive::should_include_member): Add layout parameter.  Change
4231         all callers.  Check for symbol mentioned in expression.
4232         * archive.h (class Archive): Update declaration.
4233         * object.cc (Sized_relobj::do_should_include_member): Add layout
4234         parameter.
4235         * object.h (Object::should_include_member): Add layout parameter.
4236         Change all callers.
4237         (Object::do_should_include_member): Add layout parameter.
4238         (class Sized_relobj): Update declaration.
4239         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4240         parameter.
4241         * dynobj.h (class Sized_dynobj): Update declaration.
4242         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4243         layout parameter.
4244         * plugin.h (class Sized_pluginobj): Update declaration.
4245
4246 2010-08-02  Ian Lance Taylor  <iant@google.com>
4247
4248         PR 11866
4249         * output.cc (Output_segment::set_offset): Search for the first and
4250         last sections rather than assuming that the list is in order.
4251         (Output_segment::find_first_and_last_list): New function.
4252         * output.h (class Output_segment): Update declarations.
4253         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4254         (relro_strip_test_SOURCES): New variable.
4255         (relro_strip_test_DEPENDENCIES): New variable.
4256         (relro_strip_test_LDFLAGS): New variable.
4257         (relro_strip_test_LDADD): New variable.
4258         (relro_strip_test.so): New target.
4259
4260 2010-08-02  Ian Lance Taylor  <iant@google.com>
4261
4262         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4263         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4264         (Target_i386::got_tlsdesc_section): New function.
4265         (Target_i386::got_section): Create space for GOT entries for
4266         TLSDESC relocations.
4267         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4268         R_386_TLS_GOTDESC.
4269         (Target_i386::Scan::global): Likewise.
4270         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4271         using TLSDESC GOT.
4272         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4273         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4274         (Target_x86_64::got_tlsdesc_section): New function.
4275         (Target_x86_64::got_section): Create space for GOT entries for
4276         TLSDESC relocations.
4277         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4278         R_386_TLS_GOTDESC.
4279         (Target_x86_64::Scan::global): Likewise.
4280         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4281         using TLSDESC GOT.
4282
4283 2010-08-02  Ian Lance Taylor  <iant@google.com>
4284
4285         * testsuite/final_layout.sh: Use dc to convert from hex to
4286         decimal.
4287
4288 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4289
4290         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4291         paramter to the call to gold::gc_process_relocs.
4292         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4293         paramter to the call to gold::gc_process_relocs.
4294         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4295         parameter to the call to gold::gc_process_relocs.
4296         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4297         template parameter to the call to gold::gc_process_relocs.
4298         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4299         paramter to the call to gold::gc_process_relocs.
4300         * gc.h (get_embedded_addend_size): New function.
4301         (gc_process_relocs): Save the size of the reloc for use by ICF.
4302         * icf.cc (get_section_contents): Get the addend from the text section
4303         for SHT_REL relocation sections.
4304         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4305         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4306         * int_encoding.h (read_from_pointer): New overloaded function.
4307         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4308         * testsuite/icf_sht_rel_addend_test.sh: New file.
4309         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4310         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4311
4312 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4313
4314         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4315         * Makefile.in: Regenerate.
4316         * testsuite/Makefile.in: Regenerate.
4317
4318 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4319
4320         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4321         * gold/testsuite/debug_msg.cc: Likewise.
4322         * gold/testsuite/odr_violation1.cc
4323         * gold/testsuite/odr_violation2.cc
4324
4325 2010-07-21  Cary Coutant  <ccoutant@google.com>
4326
4327         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4328         string, and length fields.
4329         (Output_merge_string::Merged_strings_list): New type.
4330         (Output_merge_string::Merged_strings_lists): New typedef.
4331         (Output_merge_string): Replace merged_strings_ with
4332         merged_strings_lists_.
4333         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4334         Merged_strings_list per input object and section.  Don't store pointer
4335         to the string.  Don't store length with each merged string entry.
4336         (Output_merge_string::finalize_merged_data): Loop over list of merged
4337         strings lists.  Recompute length of each merged string.
4338
4339 2010-07-15  Cary Coutant  <ccoutant@google.com>
4340
4341         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4342         here.
4343
4344 2010-07-14  Ian Lance Taylor  <iant@google.com>
4345
4346         * descriptors.cc (Descriptors::open): Report correct name in error
4347         message.
4348
4349 2010-07-13  Doug Kwan  <dougkwan@google.com>
4350
4351         * arm.cc (Arm_input_section::Arm_input_section): For a
4352         SHT_ARM_EXIDX section, always keeps the input sections.
4353         (Arm_input_section::set_exidx_section_link): New method.
4354         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4355         has_errors_ to false.
4356         (Arm_exidx_input_section::has_errors,
4357         Arm_exidx_input_section::set_has_errors): New methods.
4358         (Arm_exidx_input_section::has_errors_): New data member.
4359         (Arm_relobj::get_exidx_shndx_list): New method.
4360         (Arm_output_section::append_text_sections_to_list): Do not skip
4361         section without SHF_EXECINSTR.
4362         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4363         errors.
4364         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4365         section header.  Make error messages more verbose.  Check for
4366         a non-executable section linked to an EXIDX section.
4367         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4368         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4369         check that there is no deferred EXIDX section if we exit early.
4370         Instead of not making an EXIDX section in case of an error, make one
4371         and set the has_errors flag of it.
4372         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4373         in a relocatable link.
4374         (Target_arm::do_relax): Look for the EXIDX output section instead of
4375         assuming that it is called .ARM.exidx.
4376         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4377         section list.  Do not check for SHF_EXECINSTR section flags but
4378         skip any input section with errors.
4379         * output.cc (Output_section::Output_section): Initialize
4380         always_keeps_input_sections_ to false.
4381         (Output_section::add_input_section): Check for
4382         always_keeps_input_sections_.
4383         *  output.h (Output_section::always_keeps_input_sections,
4384         Output_section::set_always_keeps_input_sections): New methods.
4385         (Output_section::always_keeps_input_sections): New data member.
4386
4387 2010-07-13  Rafael Espindola  <espindola@google.com>
4388
4389         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4390         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4391
4392 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4393             Ian Lance Taylor  <iant@google.com>
4394
4395         * output.h (Output_section_lookup_maps::add_merge_section):
4396         Correct check of whether value was inserted.
4397         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4398         (Output_section_lookup_maps::add_relaxed_input_section):
4399         Likewise.
4400         * arm.cc (Target_arm::got_section): Remove used local os.
4401         * i386.cc (Target_i386::got_section): Likewise.
4402         * x86_64.cc (Target_x86_64::got_section): Likewise.
4403         * sparc.cc (Target_sparc::got_section): Likewise.
4404         (Target_sparc::relocate): Remove unused local have_got_offset.
4405         * powerpc.cc (Target_powerpc::relocate): Likewise.
4406
4407 2010-07-13  Ian Lance Taylor  <iant@google.com>
4408
4409         * compressed_output.cc (zlib_decompress): Fix signature in
4410         !HAVE_ZLIB_H case.
4411
4412         * archive.cc (Archive::include_member): Unlock an external member
4413         of a thin archive.  Don't bother to delete an object we know is
4414         NULL.
4415
4416 2010-07-12  Cary Coutant  <ccoutant@google.com>
4417
4418         * compressed_output.cc (zlib_decompress): New function.
4419         (get_uncompressed_size): New function.
4420         (decompress_input_section): New function.
4421         * compressed_output.h (get_uncompressed_size): New function.
4422         (decompress_input_section): New function.
4423         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4424         Handle compressed debug sections.
4425         * layout.cc (is_compressed_debug_section): New function.
4426         (Layout::output_section_name): Map compressed section names to
4427         canonical names.
4428         * layout.h (is_compressed_debug_section): New function.
4429         (is_debug_info_section): Recognize compressed debug sections.
4430         * merge.cc: Include compressed_output.h.
4431         (Output_merge_data::do_add_input_section): Handle compressed
4432         debug sections.
4433         (Output_merge_string::do_add_input_section): Handle compressed
4434         debug sections.
4435         * object.cc: Include compressed_output.h.
4436         (Sized_relobj::Sized_relobj): Initialize new data members.
4437         (build_compressed_section_map): New function.
4438         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4439         * object.h (Object::section_is_compressed): New method.
4440         (Object::do_section_is_compressed): New method.
4441         (Sized_relobj::Compressed_section_map): New type.
4442         (Sized_relobj::do_section_is_compressed): New method.
4443         (Sized_relobj::compressed_sections_): New data member.
4444         * output.cc (Output_section::add_input_section): Handle compressed
4445         debug sections.
4446         * reloc.cc: Include compressed_output.h.
4447         (Sized_relobj::write_sections): Handle compressed debug sections.
4448
4449 2010-07-08  Cary Coutant  <ccoutant@google.com>
4450
4451         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4452         weak when resolving to a dynamic def.
4453         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4454         for weak undef/dynamic def cases. Adjust callers.
4455         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4456         undef_binding_weak_.
4457         (Symbol_table::sized_write_globals): Adjust symbol binding.
4458         (Symbol_table::sized_write_symbol): Add binding parameter.
4459         * symtab.h (Symbol::set_undef_binding): New method.
4460         (Symbol::is_undef_binding_weak): New method.
4461         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4462         (Symbol_table::should_override): Add new parameter.
4463         (Symbol_table::sized_write_symbol): Add new parameter.
4464
4465         * testsuite/weak_undef_file1.cc: Add new test case.
4466         * testsuite/weak_undef_file2.cc: Fix header comment.
4467         * testsuite/weak_undef_test.cc: Add new test case.
4468
4469 2010-06-29  Doug Kwan  <dougkwan@google.com>
4470
4471         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4472         Initialize USE_SYMBOL_.
4473         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4474         definition.
4475         (Arm_reloc_property::uses_symbol_): New data member declaration.
4476         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4477         uses symbol value and symbol is undefined but not weakly undefined.
4478
4479 2010-06-28  Rafael Espindola  <espindola@google.com>
4480
4481         * plugin.cc (Plugin::load): Use dlerror.
4482
4483 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4484
4485         * symtab.cc (detect_odr_violations): When reporting an ODR
4486         violation, report an object where the symbol is defined.
4487
4488 2010-06-25  Doug Kwan  <dougkwan@google.com>
4489
4490         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4491         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4492         definition.
4493         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4494         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4495         target hook to detect function points.
4496         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4497         * icf.h (Icf::check_section_for_function_pointers): Change type of
4498         parameter SECTION_NAME to const reference to std::string.  Use
4499         target hook to determine if section may have unsafe pointers.
4500         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4501         method definition.
4502
4503 2010-06-21  Rafael Espindola  <espindola@google.com>
4504
4505         * fileread.cc (Input_file::find_fie): New
4506         (Input_file::open): Use Input_file::find_fie.
4507         * fileread.h (Input_file::find_fie): New
4508         * plugin.cc (set_extra_library_path): New.
4509         (Plugin::load): Add set_extra_library_path to the transfer vector.
4510         (Plugin_manager::set_extra_library_path): New.
4511         (Plugin_manager::add_input_file): Use the extra search path if set.
4512         (set_extra_library_path(): New.
4513         * plugin.h (Plugin_manager): Add set_extra_library_path and
4514         extra_search_path_.
4515
4516 2010-06-19  Cary Coutant  <ccoutant@google.com>
4517
4518         * layout.cc (gdb_sections): Add .debug_types.
4519         (lines_only_debug_sections): Likewise.
4520
4521 2010-06-18  Rafael Espindola  <espindola@google.com>
4522
4523         * plugin.cc (add_input_file,add_input_library)
4524         (Plugin_manager::add_input_file): Make filename arguments const.
4525         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4526         const.
4527
4528 2010-06-16  Doug Kwan  <dougkwan@google.com>
4529
4530         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4531         .ARM.attributes section if we have not merged any input
4532         attributes sections.
4533
4534 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4535
4536         * arm.cc: Allow combining objects with no EABI version
4537         information.
4538
4539 2010-06-15  Rafael Espindola  <espindola@google.com>
4540
4541         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4542
4543 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4544
4545         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4546         (struct iovec): Correct !HAVE_READV definition.
4547
4548 2010-06-10  Cary Coutant  <ccoutant@google.com>
4549
4550         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4551         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4552         reloc sections.
4553         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4554
4555         PR 11683
4556         * symtab.h (Symbol::is_placeholder): New member function.
4557         * target-reloc.h (relocate_section): Check for placeholder symbols.
4558
4559         * testsuite/Makefile.am (plugin_test_8): New test.
4560         (plugin_test_9): New test.
4561         * testsuite/Makefile.in: Regenerate.
4562
4563 2010-06-09  Nick Clifton  <nickc@redhat.com>
4564
4565         * yyscript.y (input_list_element): Allow strings prefixed with
4566         the '-' character.  Treat these as libraries.
4567         * script.cc (script_add_library): New function.  Adds a library
4568         specified by "-l<name>" found in an input script.
4569         * script-c.h: Add prototype for script_add_library.
4570
4571 2010-06-07  Doug Kwan  <dougkwan@google.com>
4572
4573         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4574         Restrict stub-group size to be within long conditional branch
4575         range when working around cortex-A8 erratum.
4576
4577 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4578
4579         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4580         #ifdef typo.
4581
4582 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4583
4584         PR gold/11658
4585         * output.cc
4586         (Output_section::Input_section_sort_entry::compare_section_ordering):
4587         Change to return non-zero correctly.
4588         (Output_section::Input_section_sort_section_order_index_compare
4589         ::operator()): Change to fix ambiguity in comparisons.
4590
4591 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4592
4593         * gold.h (is_wildcard_string): New function.
4594         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4595         (Layout::layout_eh_frame): Ditto.
4596         (Layout::find_section_order_index): New method.
4597         (Layout::read_layout_from_file): New method.
4598         * layout.h (Layout::find_section_order_index): New method.
4599         (Layout::read_layout_from_file): New method.
4600         (Layout::input_section_position_): New private member.
4601         (Layout::input_section_glob_): New private member.
4602         * main.cc (main): Call read_layout_from_file here.
4603         * options.h (--section-ordering-file): New option.
4604         * output.cc (Output_section::input_section_order_specified_): New
4605         member.
4606         (Output_section::Output_section): Initialize new member.
4607         (Output_section::add_input_section): Add new parameter.
4608         Keep input sections when --section-ordering-file is used.
4609         (Output_section::set_final_data_size): Sort input sections when
4610         section ordering file is specified.
4611         (Output_section::Input_section_sort_entry): Add new parameter.
4612         Check sorting type.
4613         (Output_section::Input_section_sort_entry::compare_section_ordering):
4614         New method.
4615         (Output_section::Input_section_sort_compare::operator()): Change to
4616         consider section_order_index.
4617         (Output_section::Input_section_sort_init_fini_compare::operator()):
4618         Change to consider section_order_index.
4619         (Output_section::Input_section_sort_section_order_index_compare
4620         ::operator()): New method.
4621         (Output_section::sort_attached_input_sections): Change to sort
4622         according to section order when specified.
4623         (Output_section::add_input_section<32, true>): Add new parameter.
4624         (Output_section::add_input_section<64, true>): Add new parameter.
4625         (Output_section::add_input_section<32, false>): Add new parameter.
4626         (Output_section::add_input_section<64, false>): Add new parameter.
4627         * output.h (Output_section::add_input_section): Add new parameter.
4628         (Output_section::input_section_order_specified): New
4629         method.
4630         (Output_section::set_input_section_order_specified): New method.
4631         (Input_section::Input_section): Initialize section_order_index_.
4632         (Input_section::section_order_index): New method.
4633         (Input_section::set_section_order_index): New method.
4634         (Input_section::section_order_index_): New member.
4635         (Input_section::Input_section_sort_section_order_index_compare): New
4636         struct.
4637         (Output_section::input_section_order_specified_): New member.
4638         * script-sections.cc (is_wildcard_string): Delete and move modified
4639         method to gold.h.
4640         (Output_section_element_input::Output_section_element_input): Modify
4641         call to is_wildcard_string.
4642         (Output_section_element_input::Input_section_pattern
4643         ::Input_section_pattern): Ditto.
4644         (Output_section_element_input::Output_section_element_input): Ditto.
4645         * testsuite/Makefile.am (final_layout): New test case.
4646         * testsuite/Makefile.in: Regenerate.
4647         * testsuite/final_layout.cc: New file.
4648         * testsuite/final_layout.sh: New file.
4649
4650 2010-06-01  Rafael Espindola  <espindola@google.com>
4651
4652         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4653
4654 2010-06-01  Rafael Espindola  <espindola@google.com>
4655
4656         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4657         visibility of symbols.
4658
4659 2010-05-27  Doug Kwan  <dougkwan@google.com>
4660
4661         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4662         from start of output section instead of address for a local symbol
4663         in a merged or relaxed section when doing a relocatable link.
4664
4665 2010-05-26  Rafael Espindola  <espindola@google.com>
4666
4667        PR 11604
4668         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4669         adding sections the garbage collector removed.
4670         * gold/testsuite/Makefile.am: Add test.
4671         * gold/testsuite/Makefile.in: Regenerate.
4672         * gold/testsuite/plugin_test_7.sh: New.
4673         * gold/testsuite/plugin_test_7_1.c: New.
4674         * gold/testsuite/plugin_test_7_2.c: New.
4675
4676 2010-05-26  Rafael Espindola  <espindola@google.com>
4677
4678         * script-sections.cc (Output_section_definition::set_section_addresses):
4679         Check for --section-start.
4680
4681 2010-05-26  Doug Kwan  <dougkwan@google.com>
4682
4683         * arm.cc (Arm_scan_relocatable_relocs): New class.
4684         (Target_arm::relocate_special_relocatable): New method.
4685         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4686         (Arm_relocate_functions::thumb_branch_common): Same.
4687         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4688         instead of Default_scan_relocatable_relocs.
4689         * target-reloc.h (relocate_for_relocatable): Let target handle
4690         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4691         * target.h (Sized_target::relocate_special_relocatable): New method.
4692
4693 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4694
4695         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4696
4697 2010-05-23  Doug Kwan  <dougkwan@google.com>
4698
4699         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4700         instead of a cast.
4701         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4702         with a direct branch, not a conditional branch, to a stub.
4703         * merge.cc (Output_merge_base::record_input_section): New method
4704         defintion.
4705         (Output_merge_data::do_add_input_section): Record input section if
4706         keeps-input-sections flag is set.
4707         (Output_merge_string::do_add_input_section): Ditto.
4708         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4709         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4710         INPUT_SECTIONS_.
4711         (Output_merge_base::keeps_input_sections,
4712         Output_merge_base::set_keeps_input_sections,
4713         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4714         method definitions.
4715         (Output_merge_base::Input_sections): New type declaration.
4716         (Output_merge_base::input_sections_begin,
4717         Output_merge_base::input_sections_end,
4718         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4719         (Output_merge_base::bool keeps_input_sections_,
4720         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4721         Output_merge_base::input_sections_): New data members.
4722         (Output_merge_data::do_set_keeps_input_sections): New method
4723         defintion.
4724         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4725         * output.cc (Output_section::Input_section::relobj): Move method
4726         defintion from class declaration to here and handle merge sections.
4727         (Output_section::Input_section::shndx): Ditto.
4728         (Output_section::Output_section): Remove initializations of removed
4729         data members and initialize new data member LOOKUP_MAPS_.
4730         (Output_section::add_input_section): Set keeps-input-sections flag
4731         for a newly created merge output section as appropriate.  Adjust code
4732         to use Output_section_lookup_maps class.
4733         (Output_section::add_relaxed_input_section): Adjst code for lookup
4734         maps code refactoring.
4735         (Output_section::add_merge_input_section): Add a new parameter
4736         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4737         class.  If adding input section to a newly created merge output
4738         section fails, remove the new merge section.
4739         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4740         Adjust code for use of the Output_section_lookup_maps class.
4741         (Output_section::find_merge_section): Ditto.
4742         (Output_section::build_lookup_maps): New method defintion.
4743         (Output_section::find_relaxed_input_section): Adjust code to use
4744         Output_section_lookup_maps class.
4745         (Output_section::get_input_sections): Export merge sections.  Adjust
4746         code to use Output_section_lookup_maps class.
4747         (Output_section:::add_script_input_section): Adjust code to use
4748         Output_section_lookup_maps class.  Update lookup maps for merge
4749         sections also.
4750         (Output_section::discard_states): Use Output_section_lookup_maps.
4751         (Output_section::restore_states): Same.
4752         * output.h (Merge_section_properties): Move class defintion out of
4753         Output_section.
4754         (Output_section_lookup_maps): New class.
4755         (Output_section::Input_section::is_merge_section): New method
4756         defintion.
4757         (Output_section::Input_section::relobj): Move defintion out of class
4758         defintion.  Declare method only.
4759         (Output_section::Input_section::shndx): Ditto.
4760         (Output_section::Input_section::output_merge_base): New method defintion.
4761         (Output_section::Input_section::u2_.pomb): New union field.
4762         (Output_section::Merge_section_by_properties_map,
4763         Output_section::Output_section_data_by_input_section_map,
4764         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4765         Remove types.
4766         (Output_section::add_merge_input_section): Add new parameter
4767         KEEPS_INPUT_SECTIONS.
4768         (Output_section::build_lookup_maps): New method declaration.
4769         (Output_section::merge_section_map_,
4770         Output_section::merge_section_by_properties_map_,
4771         Output_section::relaxed_input_section_map_,
4772         Output_section::is_relaxed_input_section_map_valid_): Remove data
4773         members.
4774         (Output_section::lookup_maps_): New data member.
4775
4776 2010-05-21  Doug Kwan  <dougkwan@google.com>
4777
4778         PR gold/11619
4779         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4780         avoid a compilation error.
4781
4782 2010-05-19  Rafael Espindola  <espindola@google.com>
4783
4784         * script-sections.cc (Output_section_definition::allocate_to_segment):
4785         Update the phdrs_list even when the output section is NULL.
4786         * testsuite/Makefile.am: Add test.
4787         * testsuite/Makefile.in: Regenerate.
4788         * testsuite/script_test_9.cc: New.
4789         * testsuite/script_test_9.sh: New.
4790         * testsuite/script_test_9.t: New.
4791
4792 2010-05-19  Doug Kwan  <dougkwan@google.com>
4793
4794         * arm.cc (Arm_input_section::original_size): New method.
4795         (Arm_input_section::do_addralign): Add a cast.
4796         (Arm_input_section::do_output_offset): Remove static cast.
4797         (Arm_input_section::original_addralign,
4798          Arm_input_section::original_size_): Change type to uint32_t.
4799         (Arm_input_section::init): Add safe casts for section alignment
4800         and size.
4801         (Arm_input_section::set_final_data_size): Do not set address and
4802         offset of stub table.
4803         (Arm_output_section::fix_exidx_coverage): Change use of of
4804         Output_section::Simple_input_section to that of
4805         Output_section::Input_section.
4806         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4807         except for the first pass.
4808         * output.cc (Output_section::get_input_sections): Change type of
4809         input_sections to std::list<Input_section>.
4810         (Output_section::add_script_input_section): Rename from
4811         Output_section::add_simple_input_section.  Change type of SIS
4812         parameter from Simple_input_section to Input_section.
4813         * output.h (Output_section::Simple_input_section): Remove class.
4814         (Output_section::Input_section): Change class visibility to public.
4815         (Output_section::Input_section::addralign): Use stored alignments
4816         for special input sections if set.
4817         (Output_section::Input_section::set_addralign): New method.
4818         (Output_section::get_input_sections): Change parameter type from
4819         list of Simple_input_section to list of Input_section.
4820         (Output_section::add_script_input_section): Rename from
4821         Output_section::add_simple_input_section. Change first parameter's
4822         type from Simple_input_section to Input_section and remove the
4823         second and third parameters.
4824         * script-sections.cc (Input_section::Input_section_list): Change
4825         type to list of Output_section::Input_section/
4826         (Input_section_info::Input_section_info): Change parameter type of
4827         INPUT_SECTION to Output_section::Input_section.
4828         (Input_section_info::input_section): Change return type.
4829         (Input_section_info::input_section_): Change type to
4830         Output_section::Input_section.
4831         (Output_section_element_input::set_section_addresses): Adjust code
4832         to use Output_section::Input_section instead of
4833         Output_section::Simple_input_section.  Adjust code for renaming
4834         of Output_section::add_simple_input_section.
4835         (Orphan_output_section::set_section_addresses): Ditto.
4836
4837 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4838
4839         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4840         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4841
4842 2010-05-18  Rafael Espindola  <espindola@google.com>
4843
4844         * options.cc (General_options::finalize): Handle -nostdlib.
4845         * options.h (nostdlib): New option.
4846         * script.cc (script_add_search_dir): Handle -nostdlib.
4847
4848 2010-05-12  Doug Kwan  <dougkwan@google.com>
4849
4850         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4851         attributes section only if there no attributes section after merging.
4852         (Target_arm::merge_object_attributes): Move value of
4853         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4854         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4855         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4856         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4857         and arm_attr_merge_7.stdout.
4858         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4859         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4860         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4861         arm_attr_merge_7b.o): New rules.
4862         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4863         arm_attr_merge_7
4864         * testsuite/Makefile.in: Regenerate.
4865         * testsuite/arm_attr_merge.sh: New file.
4866         * testsuite/arm_attr_merge_[67][ab].s: Same.
4867
4868 2010-05-05  Nick Clifton  <nickc@redhat.com>
4869
4870         * po/es.po: Updated Spanish translation.
4871
4872 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4873
4874         * Makefile.am (install-exec-local): Properly install gold as
4875         default cross linker.
4876         * Makefile.in: Regenerated.
4877
4878 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4879             Nick Clifton  <nickc@redhat.com>
4880
4881         * configure.ac (install_as_default): Define and set to false
4882         unless --enable-gold or --enable-gold=both/gold has been
4883         specified.
4884         * configure: Regenerate.
4885
4886         * Makefile.am (install-exec-local): Install the executable as
4887         'ld.gold'.  If install_as_default is true then also install it as
4888         'ld'.
4889         * Makefile.in: Regenerated.
4890
4891 2010-04-24  Ian Lance Taylor  <iant@google.com>
4892
4893         * layout.cc (Layout::layout_reloc): In relocatable link don't
4894         combine reloc sections for grouped sections.
4895
4896 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4897
4898         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4899         sections that are not ordinary to icf.
4900         * icf.cc (get_section_contents): Handle relocation pointing to section
4901         with no object or shndx information.
4902         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4903         * testsuite/Makefile.in: Regenerate.
4904         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4905         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4906
4907 2010-04-22  Ian Lance Taylor  <iant@google.com>
4908
4909         * expression.cc (Expression::Expression_eval_info): Add
4910         result_alignment_pointer field.
4911         (Expression::eval_with_dot): Add result_alignment_pointer
4912         parameter.  Change all callers.
4913         (Expression::eval_maybe_dot): Likewise.
4914         (class Binary_expression): Add alignment_pointer parameter to
4915         left_value and right_value.  Change all callers.
4916         (BINARY_EXPRESSION): Set result alignment.
4917         (class Trinary_expression): Add alignment_pointer parameter to
4918         arg2_value and arg3_value.  Change all callers.
4919         (Trinary_cond::value): Set result alignment.
4920         (Max_expression::value, Min_expression::value): Likewise.
4921         (Align_expression::value): Likewise.
4922         * script-sections.cc (class Sections_element): Add dot_alignment
4923         parameter to set_section_addresses virtual function.  Update
4924         instantiations.
4925         (class Output_section_element): Likewise.
4926         (Script_sections::create_segments): Add dot_alignment parameter.
4927         Change all callers.
4928         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4929         (Script_sections::set_phdrs_clause_addresses): Likewise.
4930         * script-sections.h: Update declarations.
4931         * script.h: Update declarations.
4932         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4933         min_p_align.
4934         * testsuite/script_test_3.t: Set large alignment.
4935         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4936         segment has expected alignment.
4937
4938 2010-04-22  Nick Clifton  <nickc@redhat.com>
4939
4940         * po/gold.pot: Updated by the Translation project.
4941         * po/vi.po: Updated Vietnamese translation.
4942
4943 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4944
4945         * testsuite/Makefile.am (check_PROGRAMS): Add
4946         icf_virtual_function_folding_test.
4947         * testsuite/Makefile.in: Regenerated.
4948
4949 2010-04-15  Andrew Haley  <aph@redhat.com>
4950
4951         * options.h (merge_exidx_entries): New option.
4952         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4953         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4954         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4955         (Target_arm::merge_exidx_entries): New function.
4956         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4957         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4958         to Arm_exidx_fixup constructor.
4959         Add new arg, merge_exidx_entries.
4960         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4961         Arm_output_section::fix_exidx_coverage.
4962
4963 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4964
4965         * icf.cc (get_section_contents): Check for preemptible functions.
4966         Ignore addend when appropriate.
4967         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4968         section folded.
4969         (add_from_relobj): Check for section folded.
4970         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4971         * symtab.h (should_add_dynsym_entry): Add new parameter.
4972         * target-reloc.h (scan_relocs): Check for section folded.
4973         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4974         Check reloc types for function pointers in shared objects.
4975         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4976         case.
4977         (icf_preemptible_functions_test): New test case.
4978         (icf_string_merge_test): New test case.
4979         * testsuite.Makefile.in: Regenerate.
4980         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4981         bar_glob.  Refactor code.
4982         * testsuite/icf_preemptible_functions_test.cc: New file.
4983         * testsuite/icf_preemptible_functions_test.sh: New file.
4984         * testsuite/icf_string_merge_test.cc: New file.
4985         * testsuite/icf_string_merge_test.sh: New file.
4986         * testsuite/icf_virtual_function_folding_test.cc: New file.
4987         * testsuite/icf_virtual_function_folding_test.sh: New file.
4988
4989 2010-04-14  Doug Kwan  <dougkwan@google.com>
4990
4991         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4992         for local symbol recounting if we remove a section due to ICF.
4993         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4994         there are no regular objects in input.
4995
4996 2010-04-13  Doug Kwan  <dougkwan@google.com>
4997
4998         * arm.cc (Arm_input_section::set_final_data_size): Compute
4999         accurate final data size instead of using current data size.
5000
5001 2010-04-09  Doug Kwan  <dougkwan@google.com>
5002
5003         * layout.cc (Layout::choose_output_section): Handle script section
5004         types.
5005         (Layout::make_output_section_for_script): Add section type parameter.
5006         Handle script section types.
5007         * layout.h (Layout::make_output_section_for_script): Add section
5008         type parameter.
5009         * output.cc (Output_section::Output_section): Initialize data member
5010         is_noload_.
5011         (Output_section::do_reset_address_and_file_offset): Do not set address
5012         to 0 if section is a NOLOAD section.
5013         * output.h (Output_section::is_noload): New method.
5014         (Output_section::set_is_noload): Ditto.
5015         (Output_section::is_noload_): New data member.
5016         * script-c.h (Script_section_type): New enum type.
5017         (struct Parser_output_section_header): Add new file section_type.
5018         * script-sections.cc (Sections_element::output_section_name): Add
5019         parameter for returning script section type.
5020         (Output_section_definition::output_section_name): Ditto.
5021         (Output_section_definition::section_type)P; New method.
5022         (Output_section_definiton::script_section_type_name): Ditto.
5023         (Output_section_definition::script_section_type_): New data member.
5024         (Output_section_definition::Output_section_definition): Initialize
5025         data member Output_section_definition::script_section_type_.
5026         (Output_section_definition::create_sections): Pass script section type
5027         to Layout::make_output_section_for_script.
5028         (Output_section_definition::output_section_name): Return script
5029         section type to caller.
5030         (Output_section_definition::set_section_address): Do not advance
5031         dot value and load address if section type is NOLOAD.  Set address
5032         of NOLOAD sections regardless of section flags.
5033         (Output_section_definition::print): Print section type if it is
5034         not SCRIPT_SECTION_TYPE_NONE.
5035         (Output_section_definition::section_type): New method.
5036         (Output_section_definition::script_section_type_name): Ditto.
5037         (Script_sections::output_section_name): Add new parameter
5038         PSECTION_TYPE for returning script section type.  Pass it to
5039         section elements.  Handle discard sections.
5040         (Sort_output_sections::operator()): Handle NOLOAD sections.
5041         * script-sections.h (Script_sections::Section_type): New enum type.
5042         (Script_sections::output_section_name): Add a new parameter for
5043         returning script section type.
5044         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5045         INFO and NOLOAD.
5046         * yyscript.y (union): Add new field SECTION_TYPE.
5047         (COPY, DSECT, INFO, NOLOAD): New tokens.
5048         (opt_address_and_section_type): Change type to output_section_header.
5049         (section_type): New non-terminal
5050         (section_header): Handle section type.
5051         (opt_address_and_section_type): Return section type value.
5052
5053 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5054
5055         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5056         * testsuite/plugin_common_test_2.c (foo): Likewise.
5057
5058 2010-04-08  Doug Kwan  <dougkwan@google.com>
5059
5060         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5061         Output_merge_data.
5062         * output.cc (Output_section::add_merge_input_section): Simplify
5063         code and return status of Output_merge_base::add_input_section.
5064         Update merge section map only if Output_merge_base::add_input_section
5065         returns true.
5066
5067 2010-04-07  Doug Kwan  <dougkwan@google.com>
5068
5069         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5070         if section is marked as containing instructions but has no mapping
5071         symbols.
5072         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5073         correct section index.
5074         (Arm_relobj::find_linked_text_section): Ditto.
5075
5076 2010-04-07  Cary Coutant  <ccoutant@google.com>
5077
5078         * archive.cc (include_member): Destroy Read_symbols_data object before
5079         releasing file.
5080         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5081         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5082         (Read_symbols_data::~Read_symbols_data) New destructor.
5083         (Section_relocs::Section_relocs) New constructor.
5084         (Section_relocs::~Section_relocs) New destructor.
5085         (Read_relocs_data::Read_relocs_data) New constructor.
5086         (Read_relocs_data::~Read_relocs_data) New destructor.
5087         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5088         pointers to NULL after deleting.
5089
5090 2010-04-07  Doug Kwan  <dougkwan@google.com>
5091
5092         * arm.cc: Replace "endianity" with "endianness" in comments.
5093         (Arm_exidx_cantunwind): Ditto.
5094         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5095         (Arm_relobj::merge_flags_and_attributes): New method.
5096         (Arm_relobj::merge_flags_and_attributes_): New data member.
5097         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5098         (Arm_relobj::scan_sections_for_stubs): Ditto.
5099         (Arm_relobj::do_read_symbols): Check to see if we really want to
5100         merge processor-specific flags and attributes.  Exit early if
5101         an object is empty except for section names and the undefined symbol.
5102         (Target_arm::do_finalize_sections): Move check for ELF format to
5103         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5104         attributes from a regular object only when we have determined that
5105         it is aapropriate.  Do not create an .ARM.attributes section in
5106         output if there is no regular input object.
5107         (Target_arm::merge_processor_specific_flags): Check
5108         --warn-mismatch before printing any error.
5109         (Target_arm::merge_object_attributes): Ditto.
5110         * gold.cc (queue_middle_tasks): Handle the case in which there is
5111         no regular object in input.
5112         * options.cc (General_options::parse_EB): New method.
5113         (General_options::parse_EL): Same.
5114         (General_options::General_options): Initialize endianness_.
5115         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5116         New options.
5117         (General_options::Endianness): New enum.
5118         (General_options::endianness): New method.
5119         (General_options::endianness_): New data member.
5120         * parameters.cc (Parameters::set_options): Check target endianness.
5121         (Parameters::set_target_once): Ditto.
5122         (Parameters::check_target_endianness): New method.
5123         (parameters_force_valid_target): If either -EL or -EB is specified,
5124         use it to define endianness of default target.
5125         * parameters.h (Parameters::check_target_endianness): New method
5126         declaration.
5127         * target.h (class Target): Change "endianity" to "endianness"
5128         in comments.
5129
5130 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5131
5132         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5133         * configure: Regenerate.
5134         * Makefile.in: Regenerate.
5135         * testsuite/Makefile.in: Regenerate.
5136
5137 2010-04-06  Cary Coutant  <ccoutant@google.com>
5138
5139         gcc PR lto/42757
5140         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5141         prevailing definitions of common symbols.
5142         * testsuite/plugin_test_6.sh: New test case.
5143         * testsuite/plugin_common_test_1.c: New test case.
5144         * testsuite/plugin_common_test_2.c: New test case.
5145         * testsuite/Makefile.am (plugin_test_6): New test case.
5146         * testsuite/Makefile.in: Regenerate.
5147
5148 2010-04-06  Nick Clifton  <nickc@redhat.com>
5149
5150         * po/vi.po: New Vietnamese translation.
5151
5152 2010-03-30  Doug Kwan  <dougkwan@google.com>
5153
5154         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5155
5156 2010-03-25  Doug Kwan  <dougkwan@google.com>
5157
5158         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5159         to avoid a conversion warning on a 32-bit host.
5160
5161 2010-03-24  Ian Lance Taylor  <iant@google.com>
5162
5163         * testsuite/script_test_3.t: Add a TLS segment.
5164         * testsuite/Makefile.am (check_PROGRAMS): Add
5165         tls_phdrs_script_test.
5166         (tls_phdrs_script_test_SOURCES): Define.
5167         (tls_phdrs_script_test_DEPENDENCIES): Define.
5168         (tls_phdrs_script_test_LDFLAGS): Define.
5169         (tls_phdrs_script_test_LDADD): Define.
5170         * testsuite/Makefile.in: Rebuild.
5171
5172 2010-03-23  Cary Coutant  <ccoutant@google.com>
5173
5174         * fileread.cc (find_or_make_view): Fix comment.
5175
5176 2010-03-23  Ian Lance Taylor  <iant@google.com>
5177
5178         * script-sections.cc (class Orphan_section_placement): Define
5179         PLACE_TLS and PLACE_TLS_BSS.
5180         (Orphan_section_placement::Orphan_section_placement): Initialize
5181         new places.
5182         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5183         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5184         (tls_script_test_SOURCES): Define.
5185         (tls_script_test_DEPENDENCIES): Define.
5186         (tls_script_test_LDFLAGS): Define.
5187         (tls_script_test_LDADD): Define.
5188         * testsuite/Makefile.in: Rebuild.
5189
5190 2010-03-22  Doug Kwan  <dougkwan@google.com>
5191
5192         * arm.cc (Arm_relocate_functions::abs8,
5193         Arm_relocate_functions::abs16): Use correct check for overflow
5194         specified in the ARM ELF specs.
5195         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5196         target of a BLX instruction specially.
5197         (Reloc_stub::stub_type_for_reloc): Ditto.
5198         (Relocate::relocate): Use symbolic names instead of numeric relocation
5199         codes to report error.
5200         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5201         workaround.
5202         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5203         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5204         thumb2_blx_out_of_range.stdout
5205         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5206         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5207         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5208         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5209         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5210         thumb2_blx_in_range, thumb2_blx_in_range.o,
5211         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5212         thumb2_blx_out_of_range.o): New rules.
5213         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5214         thumb2_blx_in_range and thumb2_blx_out_of_range.
5215         * testsuite/Makefile.in: Regenerate.
5216         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5217         * testsuite/thumb_blx_in_range.s: New file.
5218         * testsuite/thumb_blx_out_of_range.s: New file.
5219
5220 2010-03-22  Rafael Espindola  <espindola@google.com>
5221
5222         * archive.cc (Should_include): Move to archive.h.
5223         (should_include_member): Make it a member of Archive.
5224         (Lib_group): New.
5225         (Add_lib_group_symbols): New.
5226         * archive.h: Include options.h.
5227         (Archive_member): Moved from Archive.
5228         (Should_include): Moved from archive.cc.
5229         (Lib_group): New.
5230         (Add_lib_group_symbols): New.
5231         * dynobj.cc (do_should_include_member): New.
5232         * dynobj.h (do_should_include_member): New.
5233         * gold.cc (queue_initial_tasks): Update call to queue.
5234         * main.cc (main): Print lib group stats.
5235         * object.cc (do_should_include_member): New.
5236         * object.h: Include archive.h.
5237         (Object::should_include_member): New.
5238         (Object::do_should_include_member): New.
5239         (Sized_relobj::do_should_include_member): New.
5240         * options.cc (General_options::parse_start_lib): New.
5241         (General_options::parse_end_lib): New.
5242         (Input_arguments::add_file): Handle lib groups.
5243         (Input_arguments::start_group): Check we are not in a lib.
5244         (Input_arguments::start_lib): New.
5245         (Input_arguments::end_lib): New.
5246         * options.h (General_options): Add start_lib and end_lib.
5247         (Input_argument::lib_): New.
5248         (Input_argument::lib): New.
5249         (Input_argument::is_lib): New.
5250         (Input_file_lib): New.
5251         (Input_arguments::in_lib_): New.
5252         (Input_arguments::in_lib): New.
5253         (Input_arguments::start_lib): New.
5254         (Input_arguments::end_lib_): New.
5255         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5256         in unused members as preempted.
5257         (Sized_pluginobj::do_should_include_member): New.
5258         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5259         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5260         return the blocker.
5261         (Read_symbols::do_whole_lib_group): New.
5262         (Read_symbols::do_lib_group): New.
5263         (Read_symbols::do_read_symbols): Handle lib groups.
5264         (Read_symbols::get_name): Handle lib groups.
5265         * readsyms.h (Read_symbols): Add an archive member pointer.
5266         (Read_symbols::do_whole_lib_group): New.
5267         (Read_symbols::do_lib_group): New.
5268         (Read_symbols::member_): New.
5269         * script.cc (read_input_script): Update call to queue_soon.
5270
5271 2010-03-19  Doug Kwan  <dougkwan@google.com>
5272
5273         * arm.cc (Stub_table::Stub_table): Initialize new data members
5274         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5275         (Stub_table::add_reloc_stub): Assign stub offset and update
5276         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5277         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5278         New data members.
5279         (Stub_table::update_data_size_and_addralign): Use
5280         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5281         instead of going over all reloc stubs.
5282         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5283         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5284         Stringpool_template::offset_ to size of Stringpool_char.
5285         (Stringpool_template::new_key_offset): Remove code to initialize
5286         Stringpool_template::offset_.
5287         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5288         Stringpool_template::offset_ to zero.
5289
5290 2010-03-15  Doug Kwan  <dougkwan@google.com>
5291
5292         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5293         offset_.
5294         (Stringpool_template::new_key_offset): New method.
5295         (Stringpool_template::add_string): Assign offsets when adding new
5296         strings.
5297         (Stringpool_template::set_string_offsets): Do not set string offsets
5298         when not optimizing.
5299         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5300         member size_.
5301         (Chunked_vector::clear): Clear size_.
5302         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5303         (Chunked_vector::size): Return size_.
5304         (Chunked_vector::push_back): Use size_ to find insert position.
5305         (Chunked_vector::size_): New data member.
5306         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5307         (Stringpool_template::new_key_offset): New method declaration.
5308         (Stringpool_template::offset_): New data member.
5309
5310 2010-03-15   Rafael Espindola  <espindola@google.com>
5311
5312         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5313         Add_symbols' constructor.
5314         * readsyms.h (Add_symbols): Remove the input_group member.
5315
5316 2010-03-10  Ian Lance Taylor  <iant@google.com>
5317
5318         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5319         target to ask whether a reference to a symbol requires a stack
5320         split.
5321         * target.h (Target::is_call_to_non_split): New function.
5322         (Target::do_is_call_to_non_split): Declare virtual function.
5323         * target.cc: Include "symtab.h".
5324         (Target::do_is_call_to_non_split): New function.
5325         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5326
5327 2010-03-10  Cary Coutant  <ccoutant@google.com>
5328
5329         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5330         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5331         (File_read::open[2]): Add whole_file_view_ to list of views.
5332         (File_read::make_view): Remove test of whole_file_view_.
5333         (File_read::find_or_make_view): Create whole_file_view_ if
5334         necessary.
5335         (File_read::clear_views): Replace bool parameter with enum;
5336         adjust all callers.  Don't delete views with permanent data;
5337         do delete cached views and views from archives if
5338         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5339         if clearing the corresponding view.
5340         * fileread.h (File_read::Clear_views_mode): New enum.
5341         (File_read::View::is_permanent_view): New method.
5342         (File_read::clear_views): Replace bool parameter
5343         with enum; adjust all callers.
5344         * options.h (General_options): Change keep_files_mapped option;
5345         add map_whole_files.
5346         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5347         releasing the file.
5348         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5349         the file.
5350
5351 2010-03-10  David S. Miller  <davem@davemloft.net>
5352
5353         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5354
5355 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5356
5357         * icf.cc (get_section_contents): Add '@' marker after processing the
5358         merge reloc.
5359
5360 2010-03-08  Doug Kwan  <dougkwan@google.com>
5361
5362         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5363         due to a conversion warning.
5364         (Arm_relobj::update_output_local_symbol_count): Check for local
5365         symbol with unset output index.
5366
5367 2010-03-05  Ian Lance Taylor  <iant@google.com>
5368
5369         * options.h (class General_options): Add --spare-dynamic-tags.
5370         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5371         --spare-dynamic-tags.
5372
5373 2010-03-05  Ian Lance Taylor  <iant@google.com>
5374
5375         * incremental.cc: Include "libiberty.h".
5376
5377 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5378
5379         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5380         function, is_info_ member.
5381         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5382         (Versions::Versions): Update caller.
5383         (Versions::define_base_version): Likewise.
5384         (Versions::add_def): Likewise.
5385
5386 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5387
5388         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5389         (Scan::possible_function_pointer_reloc): New function.
5390         (Scan::local_reloc_may_be_function_pointer): Change to call
5391         possible_function_pointer_reloc.
5392         (Scan::global_reloc_may_be_function_pointer): Ditto.
5393         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5394         relocations in ".data.rel.ro._ZTV" section.
5395         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5396         * testsuite/icf_safe_so_test.cc: Ditto.
5397         * testsuite/icf_safe_test.cc: Ditto.
5398         * testsuite/icf_safe_test.sh: Ditto.
5399
5400 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5401             Ian Lance Taylor  <iant@google.com>
5402
5403         * target-reloc.h (relocate_section): Check the symbol table index
5404         for -1U before setting the local symbol index.
5405         (scan_relocatable_relocs): If copying the relocation, record that
5406         the local symbol is required.
5407         * object.h (Symbol_value::is_output_symtab_index_set): New
5408         function.
5409         (Symbol_value::may_be_discarded_from_output_symtab): New
5410         function.
5411         (Symbol_value::has_output_symtab_entry): New function.
5412         (Symbol_value::needs_output_symtab_entry): Remove.
5413         (Symbol_value::output_symtab_index): Make sure the symbol index is
5414         set.
5415         (Symbol_value::set_output_symtab_index): Make sure the symbol
5416         index is not set.  Make sure the new index is valid.
5417         (Symbol_value::set_must_have_output_symtab_entry): New function.
5418         (Symbol_value::has_output_dynsym_entry): New function.
5419         (Symbol_value::set_output_dynsym_index): Make sure the new index
5420         is valid.
5421         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5422         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5423         local symbol if permitted.
5424         (Sized_relobj::do_finalize_local_symbols): Call
5425         is_output_symtab_index_set rather than needs_output_symtab_entry.
5426         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5427         rather than needs_output_symtab_entry.  Call
5428         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5429         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5430         is_output_symtab_index_set rather than needs_output_symtab_entry.
5431         * testsuite/discard_locals_relocatable_test.c: New file.
5432         * testsuite/discard_locals_test.sh: Test -r.
5433         * testsuite/Makefile.am (check_DATA): Add
5434         discard_locals_relocatable_test1.syms,
5435         discard_local_relocatable_test2.syms.
5436         (MOSTLYCLEANFILES): Likewise.  Also add
5437         discard_locals_relocatable_test1.lout and
5438         discard_locals_relocatable_test2.out.
5439         (discard_locals_relocatable_test1.syms): New target.
5440         (discard_locals_relocatable_test.o): New target.
5441         (discard_locals_relocatable_test1.out): New target.
5442         (discard_locals_relocatable_test2.syms): New target.
5443         (discard_locals_relocatable_test2.out): New target.
5444         (various): Add missing ../ld-new dependencies.
5445         * testsuite/Makefile.in: Rebuild.
5446
5447 2010-03-03  Nick Clifton  <nickc@redhat.com>
5448
5449         * po/fi.po: New Finnish translation.
5450
5451 2010-03-01  Doug Kwan  <dougkwan@google.com>
5452
5453         * layout.cc (Layout::Layout): Force section types of .init_array*,
5454         .preinit_array* and .fini_array* sections.
5455         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5456         Fix check of return value of std::string::find.().
5457         (Output_section::Input_section_sort_compare::operator()): Remove
5458         comment about .init_array.
5459         (Output_section::Input_section_sort_init_fini_compare::operator()):
5460         New method.
5461         (Output_section::sort_attached_input_sections): Handle .init_array
5462         and .fini_array specially.
5463         * output.h (Output_section::Inut_section_sort_compare): Update
5464         comment.
5465         (Output_section::Input_section_sort_init_fini_compare): New struct.
5466
5467 2010-02-26  Doug Kwan  <dougkwan@google.com>
5468
5469         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5470         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5471         * testsuite/debug_msg.sh: Avoid matching source line number for
5472         use of global variable undef_int.
5473
5474 2010-02-26  Doug Kwan  <dougkwan@google.com>
5475
5476         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5477         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5478         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5479         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5480         * options.cc (General_options::General_options): Initialize member
5481         fix_v4bx_.
5482         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5483         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5484         and rm_no_fix_v4bx.stdout
5485         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5486         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5487         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5488         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5489         and arm_no_fix_v4bx.
5490         * Makefile.in: Regenerate.
5491         * testsuite/arm_fix_v4bx.s: New file.
5492         * testsuite/arm_fix_v4bx.sh: Ditto.
5493
5494 2010-02-24  Doug Kwan  <dougkwan@google.com>
5495
5496         * arm.cc (Target_arm::got_section): Make the .got section the first
5497         non RELRO section in the data segment.
5498         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5499         suffixes of section names.
5500
5501 2010-02-24  Doug Kwan  <dougkwan@google.com>
5502
5503         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5504         flags and attributes merging if an input file is a binary file.
5505         * fileread.cc (Input_file::open): Record format of original file.
5506         * fileread.h (Input_file::Format): New enum type.
5507         (Input_file::Input_file): Initialize data member format_.
5508         (Input_file::format): New method definition.
5509         (Input_file::format_):: New data member.
5510
5511 2010-02-24  Doug Kwan  <dougkwan@google.com>
5512
5513         * arm.cc (Arm_output_data_got): New class.
5514         (ARM_TCB_SIZE): New constant
5515         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5516         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5517         If user uses a script with a SECTIONS clause, issue only a warning
5518         for a misplaced EXIDX input section.  Otherwise, issue an error.
5519         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5520         garbage collection.
5521         (Target_arm::got_mode_index_entry): Handle static linking.
5522         (Target_arm::Scan::local): Ditto.
5523         (Target_arm::Scan::global): Ditto.
5524         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5525         all incorrectly implemented relocations.
5526         (Target_arm::fix_exidx_coverage): Pass layout to
5527         Arm_output_section::fix_exidx_coverage.
5528         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5529         from ".ARM.exidx." and ".ARM.extab.".
5530
5531 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5532
5533         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5534         section if it does not already exist.
5535         * attributes.cc (Attributes_section_data::Attributes_section_data):
5536         Don't crash if size is zero.
5537
5538 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5539             Ian Lance Taylor  <iant@google.com>
5540
5541         * gold.cc (queue_middle_tasks): If no input files were opened,
5542         exit.
5543         * workqueue.h (Task_function::Task_function): Assert that there is
5544         a blocker.
5545
5546 2010-02-22  Doug Kwan  <dougkwan@google.com>
5547
5548         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5549         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5550         types to avoid warnings due to different uint64_t implementations
5551         on different hosts.
5552
5553 2010-02-21  Doug Kwan  <dougkwan@google.com>
5554
5555         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5556         handling of the maximum backward branch offset.
5557         (Arm_relocate_functions::thumb_branch_common): Ditto.
5558         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5559         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5560         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5561         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5562         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5563         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5564         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5565         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5566         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5567         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5568         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5569         thumb2_bl_out_of_range.o): New rules.
5570         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5571         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5572         thumb2_bl_out_of_range
5573         * testsuite/Makefile.in: Regenerate.
5574         * testsuite/arm_bl_in_range.s: New file.
5575         * testsuite/arm_bl_out_of_range.s: Ditto.
5576         * testsuite/arm_branch_in_range.sh: Ditto.
5577         * testsuite/arm_branch_range.t: Ditto.
5578         * testsuite/thumb2_branch_range.t: Ditto.
5579         * testsuite/thumb_bl_in_range.s: Ditto.
5580         * testsuite/thumb_bl_out_of_range.s: Ditto.
5581         * testsuite/thumb_branch_range.t: Ditto.
5582
5583 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5584
5585         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5586         Add reloc offset information.
5587         * icf.cc (get_section_contents): Change iterators to point to the new
5588         vectors. Add reloc offset information to the contents.
5589         * icf.h (Icf::Sections_reachable_info): New typedef.
5590         (Icf::Sections_reachable_list): New typedef.
5591         (Icf::Offset_info): New typedef.
5592         (Icf::Reloc_info): New struct typedef.
5593         (Icf::Reloc_info_list): New typedef.
5594         (Icf::symbol_reloc_list): Delete method.
5595         (Icf::addend_reloc_list): Delete method.
5596         (Icf::section_reloc_list): Delete method.
5597         (Icf::reloc_info_list): New method.
5598         (Icf::reloc_info_list_): New member.
5599
5600 2010-02-19  Doug Kwan  <dougkwan@google.com>
5601
5602         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5603         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5604         * arm.cc (Arm_relocation_functions): New forward declaration.
5605         (Target_arm::Target_arm): Initialize new data members
5606         got_mod_index_offset_ and tls_base_symbol_defined_.
5607         (Target_arm::Relocate::relocate_tls): New method.
5608         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5609          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5610         New methods.
5611         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5612         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5613         (Target_arm::got_mod_index_offset_,
5614         Target_arm::tls_base_symbol_defined_): New data members.
5615         (Target_arm::Scan::local, Target::Scan::global,
5616         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5617         relocations.
5618
5619 2010-02-18  Doug Kwan  <dougkwan@google.com>
5620
5621         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5622         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5623         text section as a parameter becuase some broken tools may not set
5624         the link in section header.
5625         (Target_arm::has_got_section): New method.
5626         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5627         without any mapping symbol as data only.  Remove warning.
5628         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5629         link in its section header, try to discover the link by inspecting the
5630         REL31 relocation at the beginning of the section.
5631         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5632         in error message.
5633         (Target_arm::Scan::global): Treat any reference to the symbol
5634         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5635
5636 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5637
5638         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5639         (Scan::global_reloc_may_be_function_pointer): New function.
5640         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5641         (Scan::global_reloc_may_be_function_pointer): New function.
5642         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5643         (Scan::global_reloc_may_be_function_pointer): New function.
5644         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5645         (Scan::global_reloc_may_be_function_pointer): New function.
5646         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5647         (Scan::global_reloc_may_be_function_pointer): New function.
5648         (Scan::possible_function_pointer_reloc): New function.
5649         (Target_x86_64::can_check_for_function_pointers): New function.
5650         * gc.h (gc_process_relocs): Scan relocation types to determine if
5651         function pointers were taken for targets that support it.
5652         * icf.cc (Icf::find_identical_sections): Include functions for
5653         folding in safe ICF whose pointer is not taken.
5654         * icf.h (Secn_fptr_taken_set): New typedef.
5655         (fptr_section_id_): New member.
5656         (section_has_function_pointers): New function.
5657         (set_section_has_function_pointers): New function.
5658         (check_section_for_function_pointers): New function.
5659         * options.h: Fix comment for safe ICF option.
5660         * target.h (can_check_for_function_pointers): New function.
5661         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5662         Modify icf_safe_test for X86-64.
5663         * testsuite/Makefile.in: Regenerate.
5664         * testsuite/icf_safe_so_test.cc: New file.
5665         * testsuite/icf_safe_so_test.sh: New file.
5666         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5667         (main): Change to take pointer to function kept_func_3.
5668         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5669         folding is done correctly for X86-64.
5670
5671 2010-02-12  David S. Miller  <davem@davemloft.net>
5672
5673         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5674         is_symbolless parameter.
5675         (Output_reloc<SHT_REL>::is_symbolless): New.
5676         (Output_reloc<SHT_REL>::is_symbolless_): New.
5677         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5678         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5679         (Output_reloc<SHT_RELA>::is_symbolless): New.
5680         (Output_data_reloc::add_global): Handle is_symbolless.
5681         (Output_data_reloc::add_global_relative): Likewise.
5682         (Output_data_reloc::add_local): Likewise.
5683         (Output_data_reloc::add_local_relative): Likewise.
5684         (Output_data_reloc::add_symbolless_global_addend): New.
5685         (Output_data_reloc::add_symbolless_local_addend): New.
5686         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5687         is_symbolless.
5688         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5689         instead of ->is_relative_
5690         (Output_reloc::write): Likewise.
5691         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5692         (Output_reloc::write_rel): Simplify.
5693
5694         * sparc.cc (Target_sparc::Scan::local): Use
5695         ->add_symbolless_local_addend as needed.
5696         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5697         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5698         based upon relocation offset.
5699
5700 2010-02-11  Doug Kwan  <dougkwan@google.com>
5701
5702         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5703         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5704         beginning of function.
5705         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5706         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5707         parameter is_32bit in calls to should_apply_static_reloc.
5708         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5709         (check_DATA): Add arm_abs_global.stdout.
5710         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5711         arm_abs_global.stdout): New rules.
5712         (MOSTLLYCLEANFILES): Add arm_abs_global
5713         * Makefile.in: Regenerate.
5714         * testsuite/arm_abs_global.s: New file.
5715         * testsuite/arm_abs_global.sh: Ditto.
5716         * testsuite/arm_abs_lib.s: Ditto.
5717
5718 2010-02-11  Ian Lance Taylor  <iant@google.com>
5719
5720         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5721         Read_relocs task.
5722         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5723         Allocate_commons_task first.
5724         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5725         task, rather than symtab_lock_.
5726         (Gc_process_relocs::~Gc_process_relocs): New function.
5727         (Gc_process_relocs::is_runnable): Check this_blocker_.
5728         (Gc_process_relocs::locks): Use next_blocker_ rather than
5729         blocker_.
5730         (Scan_relocs::~Scan_relocs): New function.
5731         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5732         symtab_lock_.
5733         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5734         next_blocker_.
5735         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5736         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5737         constructor accordingly.
5738         (class Gc_process_relocs): Likewise.
5739         (class Scan_relocs): Likewise.
5740         * common.h (class Allocate_commons_task): Remove symtab_lock_
5741         field, and corresponding constructor parameter.
5742         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5743         symtab_lock_.
5744         (Allocate_commons_task::locks): Likewise.
5745
5746 2010-02-11  Ian Lance Taylor  <iant@google.com>
5747
5748         * gold-threads.h (class Once): Define.
5749         (class Initialize_lock): Rewrite as child of Once.
5750         * gold-threads.cc (class Once_initialize): Define.
5751         (once_pointer_control): New static variable.
5752         (once_pointer, once_arg): New static variables.
5753         (c_run_once): New static function.
5754         (Once::Once, Once::run_once, Once::internal_run): New functions.
5755         (class Initialize_lock_once): Remove.
5756         (initialize_lock_control): Remove.
5757         (initialize_lock_pointer): Remove.
5758         (initialize_lock_once): Remove.
5759         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5760         (Initialize_lock::initialize): Rewrite.
5761         (Initialize_lock::do_run_once): New function.
5762         * archive.cc (Archive::interpret_header): Only clear name if it is
5763         not already empty.
5764         * fileread.cc: Include "gold-threads.h"
5765         (file_counts_lock): New static variable.
5766         (file_counts_initialize_lock): Likewise.
5767         (File_read::release): Only increment counts when using --stats.
5768         Use a lock around the increment.
5769         * parameters.cc (class Set_parameters_target_once): Define.
5770         (set_parameters_target_once): New static variable.
5771         (Parameters::Parameters): Move here from parameters.h.
5772         (Parameters::set_target): Rewrite.
5773         (Parameters::set_target_once): New function.
5774         (Parameters::clear_target): Move here and rewrite.
5775         * parameters.h (class Parameters): Update declarations.  Add
5776         set_parameters_target_once_ field.
5777         (Parameters::Parameters): Move to parameters.cc.
5778         (Parameters::clear_target): Likewise.
5779         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5780         task.
5781         (Start_group::~Start_group): New function.
5782         (Start_group::is_runnable): New function.
5783         (Start_group::locks, Start_group::run): New functions.
5784         (Finish_group::run): Change saw_undefined to size_t.
5785         * readsyms.h (class Start_group): Define.
5786         (class Finish_group): Change saw_undefined_ field to size_t.
5787         (Finish_group::Finish_group): Remove saw_undefined and
5788         this_blocker parameters.  Change all callers.
5789         (Finish_group::set_saw_undefined): New function.
5790         (Finish_group::set_blocker): New function.
5791         * symtab.h (class Symbol_table): Change saw_undefined to return
5792         size_t.  Change saw_undefined_ field to size_t.
5793         * target-select.cc (Set_target_once::do_run_once): New function.
5794         (Target_selector::Target_selector): Initialize set_target_once_
5795         field.  Don't initialize lock_ and initialize_lock_ fields.
5796         (Target_selector::instantiate_target): Rewrite.
5797         (Target_selector::set_target): New function.
5798         * target-select.h (class Set_target_once): Define.
5799         (class Target_selector): Update declarations.  Make
5800         Set_target_once a friend.  Remove lock_ and initialize_lock_
5801         fields.  Add set_target_once_ field.
5802
5803 2010-02-10  Ian Lance Taylor  <iant@google.com>
5804
5805         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5806         queueing any tasks.
5807         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5808         (queue_middle_tasks): Add all blockers before queueing any tasks.
5809         (queue_final_tasks): Likewise.
5810         * token.h (Task_token::add_blockers): New function.
5811         * object.h (Input_objects::number_of_relobjs): New function.
5812
5813 2010-02-10  Ian Lance Taylor  <iant@google.com>
5814
5815         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5816         shared, not if not position independent.
5817         * x86_64.cc (Relocate::relocate_tls): Likewise.
5818         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5819         (tls_pie_pic_test): New target.
5820         * testsuite/Makefile.in: Rebuild.
5821
5822         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5823         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5824         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5825         * testsuite/Makefile.in: Rebuild.
5826
5827 2010-02-09  David S. Miller  <davem@davemloft.net>
5828
5829         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5830         R_SPARC_RELATIVE using ->add_local_relative().
5831         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5832
5833         * output.h (Output_data_dynamic::add_section_size): New method
5834         that takes two Output_data objects.
5835         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5836         entry param.  Handle it in initializers.
5837         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5838         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5839         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5840         arg.
5841         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5842         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5843         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5844         for dynrel_includes_plt.
5845         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5846         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5847         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5848         before .rela.plt
5849         (Target_sparc::do_finalize_sections): Update to pass true for
5850         dynrel_includes_plt.
5851         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5852         output before .rela.plt
5853         (Target_powerpc::do_finalize_sections): Update to pass true for
5854         dynrel_includes_plt when 32-bit.
5855
5856 2010-02-08  Doug Kwan  <dougkwan@google.com>
5857
5858         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5859         method.
5860         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5861         Arm_relobj::scan_section_for_cortex_a8_stubs,
5862         Arm_relobj::do_relocation_section): Instead of calling
5863         Output_section::output_address, use faster
5864         Arm_relobj::simple_input_section_output_address.
5865
5866 2010-02-08  David S. Miller  <davem@davemloft.net>
5867
5868         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5869         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5870         relocation helper function.
5871
5872         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5873         just like R_SPARC_GOT{10,13,22}.
5874         (Target_sparc::Scan::local): Likewise.
5875         (Target_sparc::Relocate:relocate): Likewise.
5876
5877 2010-02-06  Ian Lance Taylor  <iant@google.com>
5878
5879         * configure.ac: Rewrite targetobjs duplicate removal code to use
5880         only shell constructs.
5881         * configure: Rebuild.
5882
5883 2010-02-05  Doug Kwan  <dougkwan@google.com>
5884
5885         PR 11247
5886         * arm.cc (Arm_relobj::section_is_scannable): New method.
5887         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5888         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5889
5890 2010-02-04  Doug Kwan  <dougkwan@google.com>
5891
5892         PR 11247
5893         * arm-reloc-property.cc (cstdio): Include.
5894         * configure.ac (targetobjs): Remove duplicates.
5895         * configure: Regenerate.
5896         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5897         big and little endian version for a given address size.
5898
5899 2010-02-03  Doug Kwan  <dougkwan@google.com>
5900
5901         * arm-reloc-property.cc
5902         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5903         definition.
5904         * arm-reloc-property.h
5905         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5906         New method definition.
5907         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5908         declaration.
5909         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5910         overflow to N.
5911         (GOT_PREL): Change implemented to Y.
5912         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5913         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5914         (Arm_relocate_functions::movw_abs_nc): Remove method.
5915         (Arm_relocate_functions::movt_abs): Ditto.
5916         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5917         (Arm_relocate_functions::thm_movt_abs): Ditto.
5918         (Arm_relocate_functions::movw_rel_nc): Ditto.
5919         (Arm_relocate_functions::movw_rel): Ditto.
5920         (Arm_relocate_functions::movt_rel): Ditto.
5921         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5922         (Arm_relocate_functions:thm_movw_rel): Ditto.
5923         (Arm_relocate_functions:thm_movt_rel): Ditto.
5924         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5925         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5926         New method definitions.
5927         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5928         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5929         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5930         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5931         (Target_arm::Relocate::relocate): Check for non-static or
5932         unimplemented relocation code and exit early.  Change calls to
5933         Target_arm::reloc_uses_thumb_bit and
5934         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5935         instead.  Refactor code to handle similar relocations to increase
5936         code sharing.  Remove check for unsupported relocation code in switch
5937         statement.
5938         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5939         relocation property table to find out size.  Change error message to
5940         print out the name of a relocation code instead of the numeric value.
5941         (Target_arm::scan_reloc_for_stub): Use relocation property table
5942         instead of calling Target_arm::reloc_uses_thumb_bit().
5943
5944 2010-02-02  Doug Kwan  <dougkwan@google.com>
5945
5946         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5947         types of relaxed input section.
5948
5949 2010-02-02  Doug Kwan  <dougkwan@google.com>
5950
5951         * Makefile.am (HFILES): Add arm-reloc-property.h.
5952         (DEFFILES): New.
5953         (TARGETSOURCES): Add arm-reloc-property.cc
5954         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5955         (libgold_a_SOURCES): $(DEFFILES)
5956         * Makefile.in: Regenerate.
5957         * arm-reloc-property.cc: New file.
5958         * arm-reloc-property.h: New file.
5959         * arm-reloc.def: New file.
5960         * arm.cc: Update comments.
5961         (arm-reloc-property.h): New included header.
5962         (arm_reloc_property_table): New global variable.
5963         (Target_arm::do_select_as_default_target): New method definition.
5964         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5965         arm-reloc-property to targ_extra_obj.
5966         * parameters.cc (set_parameters_target): Call
5967         Target::select_as_default_target().
5968         * target.h (Target::select_as_default_target): New method definition.
5969         (Target::do_select_as_default_target): Same.
5970
5971 2010-02-01  Doug Kwan  <dougkwan@google.com>
5972
5973         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5974         first_output_text_section_.
5975         (Arm_exidx_fixup::first_output_text_section): New method definition.
5976         (Arm_exidx_fixup::first_output_text_section_): New data member.
5977         (Arm_exidx_fixup::process_exidx_section): Record the first text
5978         output section seen.
5979         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5980         and entsize in output section header.
5981
5982 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5983
5984         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5985         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5986         (Arm_relocate_functions::thm_alu11): New Method.
5987         (Arm_relocate_functions::thm_pc8): New Method.
5988         (Arm_relocate_functions::thm_pc12): New Method.
5989         (Target_arm::Scan::local): Handle the relocations.
5990         (Target_arm::Scan::global): Likewise.
5991         (Target_arm::Relocate::relocate): Likewise.
5992         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5993
5994 2010-01-29  Doug Kwan  <dougkwan@google.com>
5995
5996         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5997         of relocation types as ld.
5998
5999 2010-01-29  Doug Kwan  <dougkwan@google.com>
6000
6001         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
6002         to public.
6003         (Arm_relocate_functions::thumb_branch_common): Ditto.
6004         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6005         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6006         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6007         Arm_relocate_functions::jump24): Remove.
6008         (Target_arm::Relocate::relocate): Adjust code to call
6009         Arm_relocation_functions::arm_branch_common and
6010         Arm_relocation_functions::thumb_branch_common instead of their removed
6011         wrappers.  Merge switch-cases together to reduce source code size.
6012
6013 2010-01-29  Doug Kwan  <dougkwan@google.com>
6014
6015         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6016         output_local_symbol_count_needs_update_.
6017         (Arm_relobj::output_local_symbol_count_needs_update,
6018          Arm_relobj::set_output_local_symbol_count_needs_update,
6019          Arm_relobj::update_output_local_symbol_count): New methods.
6020         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6021         member.
6022         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6023         of pointed function as in a R_ARM_PREL31 relocation.
6024         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6025         for output local symbol count updating.
6026         (Target_arm::do_relax): Update output local symbol counts in objects
6027         if necessary.
6028         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6029
6030 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6031
6032         * arm.cc: Added support for the ARM relocations:
6033         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6034         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6035         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6036         movw_prel_nc).
6037         (Arm_relocate_functions::movw_rel): New method.
6038         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6039         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6040         thm_movw_prel_nc).
6041         (Arm_relocate_functions::thm_movw_rel): New method.
6042         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6043         thm_movt_prel).
6044         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6045         relocations.
6046         (Target_arm::Scan::global): Likewise.
6047         (Target_arm::Relocate::relocate): Likewise.
6048         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6049         Likewise.
6050
6051 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6052
6053         * arm.cc: Added support for ARM group relocations.
6054         (Target_arm::reloc_needs_sym_origin): New method.
6055         (Arm_relocate_functions::calc_grp_kn): New method.
6056         (Arm_relocate_functions::calc_grp_residual): New method.
6057         (Arm_relocate_functions::calc_grp_gn): New method.
6058         (Arm_relocate_functions::arm_grp_alu): New Method.
6059         (Arm_relocate_functions::arm_grp_ldr): New Method.
6060         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6061         (Arm_relocate_functions::arm_grp_ldc): New Method.
6062         (Target_arm::Scan::local): Handle the ARM group relocations.
6063         (Target_arm::Scan::global): Likewise.
6064         (Target_arm::Relocate::relocate): Likewise.
6065         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6066         Likewise.
6067
6068 2010-01-26  Doug Kwan  <dougkwan@google.com>
6069
6070         * arm.cc (set): Include.
6071         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6072         pointer type.
6073         (Arm_output_section::Text_section_list): New type.
6074         (Arm_output_section::append_text_sections_to_list): New method.
6075         (Arm_output_section::fix_exidx_coverage): Ditto.
6076         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6077         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6078         Relobj::set_section_offset() instead of
6079         Sized_relobj::invalidate_section_offset().
6080         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6081         parameter for section headers. Ignore relocation sections for
6082         unallocated sections and EXIDX sections.
6083         (Target_arm::fix_exidx_coverage): New method.
6084         (Target_arm::output_section_address_less_than): New type.
6085         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6086         linked text section instead of the EXIDX section.
6087         (Arm_output_section::create_stub_group): Add an assertion to check
6088         that this is not an EXIDX output section.
6089         (Arm_output_section::append_text_sections_to_list): New method.
6090         (Arm_output_section::fix_exidx_coverage): Ditto.
6091         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6092         Arm_relobj::section_needs_reloc_stub_scanning.
6093         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6094         first pass.
6095         (Target_arm::fix_exidx_coverage): New method.
6096         * object.h (Relobj::set_output_section): New method.
6097         (Sized_relobj::invalidate_section_offset): Remove method.
6098         (Sized_relobj::do_invalidate_section_offset): Remove method.
6099         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6100
6101 2010-01-25  Doug Kwan  <dougkwan@google.com>
6102
6103         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6104         Fix warning due to signed and unsigned comparison on a 32-bit host.
6105
6106 2010-01-22  Doug Kwan  <dougkwan@google.com>
6107
6108         * arm.cc (Target_arm::do_relax): Record an output section for section
6109         offset adjustment it contains any stub table that has changed.
6110         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6111         offsets in an output section if necessary.
6112         * output.cc (Output_section::Output_section): Initialize
6113         section_offsets_need_adjustments_.
6114         (Output_section::add_input_section_for_script): Renamed to
6115         Output_section::add_simple_input_section.
6116         (Output_section::save_states): Add a comment.
6117         (Output_section::discard_states): New method defintion.
6118         (Output_section::adjust_section_offsets): Same.
6119         * output.h (Output_section::add_input_section_for_script): Renamed to
6120         Output_section::add_simple_input_section.
6121         (Output_section::discard_states): New method declaration.
6122         (Output_section::adjust_section_offsets): Same.
6123         (Output_section::section_offsets_need_adjustment,
6124         Output_section::set_section_offsets_need_adjustment): New method
6125         definitions.
6126         (Output_section::section_offsets_need_adjustment_): New data member.
6127         * script-sections.cc
6128         (Output_section_element_input::set_section_address): Adjust code for
6129         renaming of Output_section::add_input_section_for_script.
6130         (Orphan_output_section::set_section_address): Same.
6131
6132 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6133
6134         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6135         Fix_v4bx enum values .
6136         * gold/options.h (General_options): New option definitions.
6137         (General_options::fix_v4bx): New method.
6138         (General_options::Fix_v4bx): New enum.
6139         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6140         (General_options::parse_fix_v4bx_interworking): New method.
6141
6142 2010-01-22  Doug Kwan  <dougkwan@google.com>
6143
6144         * arm.cc (Arm_exidx_fixup): New class.
6145
6146 2010-01-21  Doug Kwan  <dougkwan@google.com>
6147
6148         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6149         classes.
6150         (Arm_exidx_section_offset_map): New type.
6151
6152 2010-01-21  Doug Kwan  <dougkwan@google.com>
6153
6154         * arm.cc (Arm_exidx_input_section): New class.
6155         (Arm_relobj::exidx_input_section_by_link,
6156         Arm_relobj::exidx_input_section_by_shndx,
6157         Arm_relobj::make_exidx_input_section): New methods.
6158         (read_arm_attributes_section): Remove.
6159         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6160         information about them.
6161         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6162         to here.
6163
6164 2010-01-20  Doug Kwan  <dougkwan@google.com>
6165
6166         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6167         Input_section_specifier to Section_id.
6168         (Target_arm::new_arm_input_section: Adjust code for change of key
6169         type.
6170         (Target_arm::find_arm_input_section): Ditto.
6171         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6172         (Section_id): Remove.
6173         (Garbage_collection::Section_id_hash): Remove.
6174         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6175         (Section_id): Remove.
6176         (Icf::Section_id_hash): Remove.
6177         * object.h (Section_id, Const_section_id, Section_id_hash,
6178         Const_section_id_hash): New type definitions.
6179         * output.cc (Output_section::add_relaxed_input_section): Change to
6180         use Const_section_id instead of Input_section_specifier as key type.
6181         (Output_section::add_merge_input_section): Ditto.
6182         (Output_section::build_relaxation_map): Change to use Section_id
6183         instead of Input_section_specifier as key type.
6184         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6185         Ditto.
6186         (Output_section::convert_input_sections_to_relaxed_sections): Change
6187         to use Const_section_id instead of Input_section_specifier as key type.
6188         (Output_section::find_merge_section): Ditto.
6189         (Output_section::find_relaxed_input_section): Ditto.
6190         * output.h (Input_section_specifier): Remove class.
6191         (Output_section::Output_section_data_by_input_section_map): Change
6192         key type to Const_section_id.
6193         (Output_section::Output_relaxed_input_section_by_input_section_map):
6194         Ditto.
6195         (Output_section::Relaxation_map): Change key type to Section_id.
6196
6197 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6198
6199         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6200         (class Arm_v4bx_stub): New class.
6201         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6202         (Stub_factory::make_arm_v4bx_stub): New method.
6203         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6204         (Stub_table::empty): Handle v4bx stubs.
6205         (Stub_table::add_arm_v4bx_stub): New method.
6206         (Stub_table::find_arm_v4bx_stub): New method.
6207         (Arm_relocate_functions::v4bx): New method.
6208         (Target_arm::fix_v4bx): New method.
6209         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6210         (Stub_table::relocate_stubs): Likewise.
6211         (Stub_table::do_write): Likewise.
6212         (Stub_table::update_data_size_and_addralign): Likewise.
6213         (Stub_table::finalize_stubs):  Likewise.
6214         (Target_arm::Scan::local): Likewise.
6215         (Target_arm::Scan::global): Likewise.
6216         (Target_arm::do_finalize_sections): Likewise.
6217         (Target_arm::Relocate::relocate): Likewise.
6218         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6219         Likewise.
6220         (Target_arm::scan_reloc_for_stub): Likewise.
6221         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6222
6223 2010-01-19  Ian Lance Taylor  <iant@google.com>
6224
6225         * output.cc (Output_section_headers::do_sized_write): Write large
6226         segment count to sh_info field.
6227         (Output_file_header::do_sized_write): For large segment count,
6228         write PN_XNUM to e_phnum field.
6229
6230 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6231
6232         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6233         (Arm_relocate_functions::thm_jump8): New function.
6234         (Arm_relocate_functions::thm_jump11): New function.
6235         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6236         R_ARM_THM_JUMP11.
6237         (Target_arm::Scan::global): Likewise.
6238         (Target_arm::Relocate::relocate): Likewise.
6239         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6240         Likewise.
6241
6242 2010-01-14  Doug Kwan  <dougkwan@google.com>
6243
6244         * arm.cc (map, utility): Include headers.
6245         (Target_arm::apply_cortex_a8_workaround): New method.
6246         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6247         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6248         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6249         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6250         the --[no-]fix-cortex-a8 command line options.
6251         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6252         (Target_arm::relocate_stub): Use addend in instruction template.
6253         * options.h (DEFINE_bool): Set the user-set flag.
6254         (General_options): Add --[no-]-fix-cortex options.
6255         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6256         : Update fast look-up map after conversion.
6257
6258 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6259
6260         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6261         in the first pass of do_layout.
6262
6263 2010-01-13  Doug Kwan  <dougkwan@google.com>
6264
6265         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6266         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6267         apparent compiler problem of not folding static constant integral
6268         data members of elfcpp::Elf_sizes<32>.
6269
6270 2010-01-13  Doug Kwan  <dougkwan@google.com>
6271
6272         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6273         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6274         Arm_relobj::scan_section_for_cortex_a8_erratum,
6275         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6276         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6277         sections to scan for relocation stubs into a new method
6278         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6279         relocation and Cortex-A8 stub scanning.
6280         (Target_arm::do_relax): Force stubs to be after stubbed sections
6281         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6282         the beginning of a new relaxation pass.  Update a comment.
6283         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6284
6285 2010-01-12  Ian Lance Taylor  <iant@google.com>
6286
6287         * target-reloc.h (visibility_error): New inline function.
6288         (relocate_section): Call visibility_error.
6289         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6290         (MOSTLYCLEANFILES): Likewise.
6291         (protected_4_pic.o, protected_3.err): New targets.
6292         * testsuite/protected_4.cc: New file.
6293
6294 2010-01-12  Doug Kwan  <dougkwan@google.com>
6295
6296         * arm.cc (Cortex_a8_reloc): New class.
6297         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6298         and cortex_a8_relocs_info_.
6299         (Target_arm::fix_cortex_a8): New method definition.
6300         (Target_arm::Cortex_a8_relocs_info): New type.
6301         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6302         New data member declarations.
6303         (Target_arm::scan_reloc_for_stub): Record information about
6304         relocations for THUMB branches that might be exempted from the
6305         Cortex-A8 workaround.
6306         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6307         at the beginning of a relaxation pass.
6308
6309 2010-01-12  Doug Kwan  <dougkwan@google.com>
6310
6311         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6312         (Arm_relobj::Mapping_symbol_position,
6313          Arm_reloj::Mapping_symbol_position_less,
6314          Arm_relobj::Mapping_symbols_info): New types.
6315         (Target_arm::is_mapping_symbol_name): New method definition.
6316         (Arm_relobj::do_count_local_symbols): Save information about mapping
6317         symbols.
6318
6319 2010-01-11  Doug Kwan  <dougkwan@google.com>
6320
6321         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6322         Arm_relocate_functions::thumb32_branch_upper,
6323         Arm_relocate_functions::thumb32_branch_lower,
6324         Arm_relocate_functions::thumb32_cond_branch_offset,
6325         Arm_relocate_functions::thumb32_cond_branch_upper,
6326         Arm_relocate_functions::thumb32_cond_branch_lower,
6327         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6328         branch offset encoding.
6329         (Arm_relocate_functions::thumb_branch_common): Use new branch
6330         offset encoding methods to avoid code duplication.
6331         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6332         (Stub_addend_reader::operator()): Use new branch encoding method
6333         to avoid code duplication.
6334
6335 2010-01-11  Doug Kwan  <dougkwan@google.com>
6336
6337         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6338         (Target_arm::do_finalize_sections): Define special EXIDX section
6339         symbols only if referenced.
6340         * gc.h (Garbage_collection::add_reference): New method.
6341         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6342         code duplication.
6343
6344 2010-01-11  Ian Lance Taylor  <iant@google.com>
6345
6346         * script.cc (Version_script_info::build_expression_list_lookup):
6347         Change complaing about duplicate wildcard match from error to
6348         warning.
6349
6350         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6351         of 2009-12-30.
6352         (Version_script_info::Version_script_info): Initialize globs_,
6353         default_version_, default_is_global_, and exact_.  Don't
6354         initialize globals_ or locals_.
6355         (Version_script_info::build_lookup_tables): Build local symbols
6356         first.
6357         (Version_script_info::unquote): New function.
6358         (Version_script_info::add_exact_match): New function.
6359         (Version_script_info::build_expression_list_lookup): Remove lookup
6360         parameter.  Add is_global parameter.  Change all callers.  Handle
6361         wildcard pattern specially.  Unquote pattern.  Call
6362         add_exact_match.
6363         (Version_script_info::get_name_to_match): New function.
6364         (Version_script_info::get_symbol_version): New function.
6365         (Version_script_info::get_symbol_version_helper): Remove.
6366         (Version_script_info::check_unmatched_names): Call unquote.
6367         * script.h (class Version_script_info): Change get_symbol_version
6368         to be non-inline and add is_global parameter; change all callers.
6369         Rewrite symbol_is_local.  Update declarations.  Define struct
6370         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6371         Remove globals_ and locals_ members.  Add exact_, globs_,
6372         default_version_, is_global_.
6373         (Version_script_info::Glob): Remove pattern, add expression and
6374         is_global.  Update constructor.  Change all callers.
6375         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6376         default version.
6377         (Versions::symbol_section_contents): If a symbol is undefined, or
6378         defined in a dynamic object, set the version index to
6379         VER_NDX_LOCAL.
6380         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6381         symbol_is_local.
6382         (Symbol_table::add_from_pluginobj): Likewise.
6383         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6384
6385 2010-01-11  Doug Kwan  <dougkwan@google.com>
6386
6387         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6388         (incremental_dump_LDADD): Add linking option for libintl.
6389         * Makefile.in: Regenerate.
6390
6391 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6392
6393         PR gold/11144
6394         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6395         instead of -Ds.
6396         * testsuite/Makefile.in: Regenerated.
6397
6398 2010-01-10  Doug Kwan  <dougkwan@google.com>
6399
6400         * options.h (DEFINE_var): Use parentheses around argument varname__
6401         in macro body to avoid any unintended subsequent substitutions.
6402
6403 2010-01-10  Ian Lance Taylor  <iant@google.com>
6404
6405         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6406         candidates before doing symbol resolution.
6407
6408         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6409         ODR candidates if only one is weak.
6410
6411 2010-01-08  Ian Lance Taylor  <iant@google.com>
6412
6413         * script.cc (Version_script_info::build_expression_list_lookup):
6414         Don't warn about ambiguous version, just record the ambiguity.
6415         (Version_script_info::get_symbol_version_helper): Give error if
6416         version is ambiguous.
6417
6418 2010-01-08  Doug Kwan  <dougkwan@google.com>
6419
6420         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6421           prev_data_size_ and prev_addralign_.  Remove initializer for
6422           deleted data member has_been_changed_.
6423           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6424           to determine if the table is empty.
6425           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6426           Remove.
6427           (Stub_table::add_reloc_stub): Define method in class definition
6428           instead of just declaring it there.
6429           (Stub_table::add_cortex_a8_stub): New method definition.
6430           (Stub_table::update_data_size_and_addralign): Ditto.
6431           (Stub_table::finalize_stubs): Ditto.
6432           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6433           (Stub_table::do_addralign_): Return address alignment in the
6434           (Stub_table::do_reset_address_and_file_offset): Define method in
6435           class definition instead of declaring it there.  Set current data
6436           size to be the data size of the previous pass.
6437           (Stub_table::set_final_data_size): Use current data size as the
6438           final data size.
6439           (Stub_table::relocate_stub): Change parameter type of stub from
6440           Reloc_stub pointer to Stub pointer.
6441           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6442           (Stub_table::Cortex_a8_stub_list): New typedef.
6443           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6444            Stub_table::prev_addralign_): New data member.
6445           (Arm_relobj::Arm_relobj): Initialize data member
6446           section_has_cortex_a8_workaround_.
6447           (Arm_relobj::section_has_cortex_a8_workaround,
6448            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6449            definitions.
6450           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6451           declarations.
6452           (Target_arm::relocate_stub): Change parameter type of stub from
6453           Reloc_stub pointer to Stub pointer.
6454           (Insn_template::size, Insn_template::alignment): Handle
6455           THUMB16_SPECIAL_TYPE.
6456           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6457            Stub_table::update_data_size_and_addralign,
6458            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6459           definitions.
6460           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6461           (Stub_table::do_write): Ditto.
6462           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6463
6464 2010-01-08  Ian Lance Taylor  <iant@google.com>
6465
6466         PR 11108
6467         * symtab.h (class Symbol): Remove fields is_target_special_ and
6468         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6469         (Symbol::is_defined_in_discarded_section): New function.
6470         (Symbol::set_is_defined_in_discarded_section): New function.
6471         (Symbol::has_plt_offset): Rewrite.
6472         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6473         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6474         Don't initialize is_target_special_ or has_plt_offset_.
6475         Initialize is_defined_in_discarded_section_.
6476         (Symbol_table::add_from_relobj): If appropriate, set
6477         is_defined_in_discarded_section.
6478         * resolve.cc (Symbol::override_base_with_special): Don't test
6479         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6480         * target-reloc.h (relocate_section): Do special handling for
6481         symbols defined in discarded sections for global symbols as well
6482         as local symbols.
6483
6484 2010-01-08  Ian Lance Taylor  <iant@google.com>
6485
6486         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6487         the SHT_SYMTAB case.
6488
6489 2010-01-08  Ian Lance Taylor  <iant@google.com>
6490
6491         * object.cc (Sized_relobj::do_layout): Don't get confused if
6492         layout_eh_frame returns NULL.
6493
6494 2010-01-08  Ian Lance Taylor  <iant@google.com>
6495
6496         PR 11084
6497         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6498         dynamic symbol table, use the normal symbol table.
6499         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6500         symbol table.
6501
6502 2010-01-08  Ian Lance Taylor  <iant@google.com>
6503
6504         PR 11072
6505         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6506         sections.
6507
6508 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6509
6510         * version.cc (print_version): Change to "Copyright 2010".
6511
6512 2010-01-08  Ian Lance Taylor  <iant@google.com>
6513
6514         PR 10287
6515         PR 11063
6516         * i386.cc (class Target_i386): Change return type of plt_section
6517         to be non-const.
6518         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6519         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6520         tls_desc_rel_ field.
6521         (Output_data_plt_i386::rel_tls_desc): New function.
6522         (Target_i386::rel_tls_desc_section): New function.
6523         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6524         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6525         R_386_TLS_DESC reloc in rel_tls_desc_section.
6526         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6527         Define struct Tlsdesc_info.
6528         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6529         (Target_x86_64::do_reloc_symbol_index): New function.
6530         (Target_x86_64::add_tlsdesc_info): New function.
6531         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6532         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6533         tlsdesc_rel_ field.
6534         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6535         all callers.
6536         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6537         (Target_x86_64::rela_tlsdesc_section): New function.
6538         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6539         handling.
6540         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6541         (Target_x86_64::do_reloc_addend): New function.
6542         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6543         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6544         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6545         (Output_reloc::type): New function.
6546         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6547         (Output_reloc::is_target_specific): New function.
6548         (Output_reloc::target_arg): New function.
6549         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6550         absolute relocs and target specific relocs.
6551         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6552         add_target_specific.
6553         (class Output_data_reloc) [SHT_RELA]: Likewise.
6554         * output.cc (Output_reloc::Output_reloc): Add four new versions
6555         for absolute relocs and target specific relocs.
6556         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6557         (Output_reloc::get_symbol_index): Likewise.
6558         (Output_reloc::local_section_offset): Check that local_sym_index_
6559         is not TARGET_CODE or 0.
6560         (Output_reloc::symbol_value): Likewise.
6561         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6562         reloc.
6563         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6564         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6565         functions.
6566         * layout.cc (add_target_dynamic_tags): Use output section for
6567         DT_PLTRELSZ and DT_JMPREL.
6568
6569 2010-01-07  Ian Lance Taylor  <iant@google.com>
6570
6571         PR 11061
6572         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6573         function.
6574         (class Output_data_reloc_generic): Define.
6575         (class Output_data_reloc_base): Change base class to
6576         Output_data_reloc_generic.  Change add() method to call
6577         bump_relative_reloc_count for a relative reloc.  Remove
6578         sort_relocs_ field.
6579         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6580         to sort_relocs().
6581         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6582         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6583         appropriate.
6584         * layout.h (class Layout): Update declaration.
6585
6586 2010-01-07  Ian Lance Taylor  <iant@google.com>
6587
6588         * output.h (class Output_data): Add const version of
6589         output_section and do_output_section.
6590         (class Output_section_data): Add const version of
6591         do_output_section.
6592         (class Output_section): Likewise.
6593         * layout.cc (Layout::add_target_dynamic_tags): New function.
6594         * layout.h (class Layout): Update declarations.
6595         * arm.cc (Target_arm::do_finalize_sections): Use
6596         add_target_dynamic_tags.
6597         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6598         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6599         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6600         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6601
6602 2010-01-07  Ian Lance Taylor  <iant@google.com>
6603
6604         PR 11042
6605         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6606         object as needed.
6607
6608 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6609             Ian Lance Taylor  <iant@google.com>
6610
6611         PR 11019
6612         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6613         Xindex::read_symtab_xindex.
6614
6615 2010-01-07  Doug Kwan  <dougkwan@google.com>
6616
6617         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6618         (Insn_template::thumb16_bcond_insn): New method declaration.
6619         (Insn_template): Fix spelling.
6620         (Stub::thumb16_special): New method declaration.
6621         (Stub::do_write): Define virtual method which was previously pure
6622         virtual.
6623         (Stub::do_thumb16_special): New method declaration.
6624         (Stub::do_fixed_endian_write): New template member.
6625         (Reloc_stub::do_write): Remove.
6626         (Reloc_stub::do_fixed_endian_write): Remove.
6627         (Cortex_a8_stub): New class definition.
6628         (Stub_factory::make_cortex_a8_stub): New method definition.
6629         (Stub_factory::Stub_factory): Add missing static storage class
6630         qualifier for elf32_arm_stub_a8_veneer_blx.
6631
6632 2010-01-07  Ian Lance Taylor  <iant@google.com>
6633
6634         PR 10980
6635         * options.h (class General_options): Add --warn-unresolved-symbols
6636         and --error-unresolved-symbols.
6637         * errors.cc (Errors::undefined_symbol): Implement
6638         --warn-unresolved-symbols.
6639
6640         * options.h (class General_options): Add -z text and -z textoff.
6641         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6642
6643 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6644
6645         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6646         (Garbage_collection::cident_sections): New function.
6647         (Garbage_collection::add_cident_section): New function.
6648         (Garbage_collection::cident_sections_): New member.
6649         (gc_process_relocs): Add references to sections whose names are C
6650         identifiers.
6651         * gold.h (cident_section_start_prefix): New constant.
6652         (cident_section_stop_prefix): New constant.
6653         (is_cident): New function.
6654         * layout.cc (Layout::define_section_symbols): Replace string constants
6655         with the newly defined constants.
6656         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6657         C identifiers.
6658         * testsuite/Makefile.am: Add gc_orphan_section_test.
6659         * testsuite/Makefile.in: Regenerate.
6660         * testsuite/gc_orphan_section_test.cc: New file.
6661         * testsuite/gc_orphan_section_test.sh: New file.
6662
6663 2010-01-06  Ian Lance Taylor  <iant@google.com>
6664
6665         PR 10980
6666         * options.h (class General_options): Add --warn-shared-textrel.
6667         * layout.cc (Layout::finish_dynamic_section): Implement
6668         --warn-shared-textrel.
6669
6670         PR 10980
6671         * options.h (class General_options): Add --warn-multiple-gp.
6672
6673 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6674
6675         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6676         $(THREADSLIB) and $(LIBDL).
6677         * Makefile.in: Rebuild.
6678
6679 2010-01-06  Ian Lance Taylor  <iant@google.com>
6680
6681         PR 10980
6682         * options.cc (General_options::parse_section_start): New function.
6683         (General_options::section_start): New function.
6684         (General_options::General_options): Initialize all members.
6685         * options.h: Include <map>
6686         (class General_options): Add --section-start.  Add section_starts_
6687         member.
6688         * layout.cc (Layout::attach_allocated_section_to_segment): If
6689         --section-start was used, set the address of the segment.  Remove
6690         local sort_sections.
6691         (Layout::relaxation_loop_body): If the address of the load segment
6692         has been set by --section-start, don't use it.
6693         * output.h (Output_segment::update_flags_for_output_section): New
6694         function.
6695         * output.cc (Output_segment::add_output_section): Call
6696         update_flags_for_output_section.
6697
6698 2010-01-05  Ian Lance Taylor  <iant@google.com>
6699
6700         PR 10980
6701         * options.h (class General_options): Add --undefined-version.
6702         * script.cc (struct Version_expression): Add was_matched_by_symbol
6703         field.
6704         (Version_script_info::matched_symbol): New function.
6705         (Version_script_info::get_symbol_version_helper): Call
6706         matched_symbol.
6707         (Version_script_info::check_unmatched_names): New function.
6708         * script.h (class Version_script_info): Update declarations.
6709         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6710
6711         * options.h (class General_options): Use DEFINE_bool_alias for
6712         allow_multiple_definition.
6713         * resolve.cc (Symbol_table::should_override): Don't test
6714         allow_multiple_definition.
6715
6716         PR 10980
6717         * options.h (class General_options): Add --cref.
6718         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6719         until after printing cref table.
6720         * cref.cc: Include "symtab.h".
6721         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6722         (Cref_table_compare::operator()): New function.
6723         (Cref_inputs::gather_cref): New function.
6724         (filecol): New static const.
6725         (Cref_inputs::print_cref): New function.
6726         (Cref::print_cref): New function.
6727         * cref.h: Include <cstdio>.
6728         (class Cref): Update declarations.
6729         * mapfile.h (Mapfile::file): New function.
6730         * object.h (class Object): Define Symbols.  Declare virtual
6731         do_get_global_symbols.
6732         (Object::get_global_symbols): New function.
6733         * object.cc (Input_objects::add_object): Pass object to cref_ if
6734         --cref.
6735         (Input_objects::archive_start): Likewise.
6736         (Input_objects::archive_stop): Likewise.
6737         (Input_objects::print_cref): New function.
6738         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6739         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6740         --cref.
6741         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6742         function.
6743         * plugin.h (class Sized_pluginobj): Update declarations.
6744
6745 2010-01-05  Ian Lance Taylor  <iant@google.com>
6746
6747         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6748         to is_default_version.  Rename insdef to insdefault.
6749         (Symbol_table::add_from_relobj): Rename def to is_default_version
6750         and local to is_forced_local.
6751         (Symbol_table::add_from_pluginobj): Likewise.
6752         (Symbol_table::add_from_dynobj): Likewise.
6753         (Symbol_table::define_special_symbol): Rename insdef to
6754         insdefault.
6755
6756 2010-01-04  Ian Lance Taylor  <iant@google.com>
6757
6758         PR 10980
6759         * options.h (class General_options): Add
6760         --allow-multiple-definition and -z muldefs.
6761         * resolve.cc (Symbol_table::should_override): Don't warn about a
6762         multiple symbol definition if --allow-multiple-definition or -z
6763         muldefs.
6764
6765         PR 10980
6766         * options.h (class General_options): Add --add-needed and
6767         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6768         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6769         error if --copy-dt-needed-entries aka --add-needed is used and
6770         would cause a change in behaviour.
6771
6772         PR 10980
6773         * options.h (class General_options): Add -G as a short version of
6774         --shared.  Add no-op options -assert, -g, and -i.
6775
6776 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6777
6778         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6779         check for .text or .gnu.linkonce.t sections.
6780         * icf.cc (Icf::find_identical_sections): Ditto.
6781         Change the detection for mangled function name within the section
6782         name.
6783         * icf.h (is_section_foldable_candidate): New function.
6784
6785 2009-12-30  Ian Lance Taylor  <iant@google.com>
6786
6787         PR 10980
6788         * options.h (class General_options): Permit two dashes with
6789         --retain-symbols-file.
6790
6791 2009-12-30  Ian Lance Taylor  <iant@google.com>
6792
6793         PR 10979
6794         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6795         don't put the file header and segment headers in the text
6796         segment.
6797
6798         PR 10979
6799         * common.cc (Sort_commons::operator()): Stabilize sort when both
6800         entries are NULL.
6801         (Symbol_table::do_allocate_commons_list): When allocating common
6802         symbols, skip a symbol which is no longer common.
6803         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6804         an object before checking its type.
6805         * testsuite/common_test_2.c: New file.
6806         * testsuite/common_test_3.c: New file.
6807         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6808         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6809         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6810         (common_test_2_pic.o, common_test_2.so): New targets.
6811         (common_test_3_pic.o, common_test_3.so): New targets.
6812         * testsuite/Makefile.in: Rebuild.
6813
6814         PR 10979
6815         * script.cc (read_input_script): If we see a new SECTIONS clause,
6816         and we have added an input section, give an error.
6817         * layout.h (class Layout): Add have_added_input_section function.
6818         Add have_added_input_section_ field.
6819         * layout.cc (Layout::Layout): Initialize
6820         have_added_input_section_.
6821         (Layout::layout): Set have_added_input_section_.
6822         (Layout::layout_eh_frame): Likewise.
6823
6824 2009-12-30  Ian Lance Taylor  <iant@google.com>
6825
6826         PR 10931
6827         * options.h (class General_options): Add --sort-common option.
6828         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6829         * common.cc (Sort_common): Add sort_order parameter to
6830         constructor.  Add sort_order_ field.
6831         (Sort_commons::operator): Check sort_order_.
6832         (Symbol_table::allocate_commons): Determine the sort order.
6833         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6834         Change all callers.
6835         (Symbol_table::do_allocate_commons_list): Likewise.
6836
6837 2009-12-30  Ian Lance Taylor  <iant@google.com>
6838
6839         PR 10916
6840         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6841         symbols from this object, don't change the visibility of an
6842         undefined symbol.
6843         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6844
6845 2009-12-30  Ian Lance Taylor  <iant@google.com>
6846
6847         PR 10861
6848         * script.h (class Version_script_info): Define Language enum.
6849         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6850         new fields globals_, locals_, and is_finalized_.
6851         * script.cc: Various formatting fixes.
6852         (class Parser_closure): Change language_stack_ from a vector of
6853         std::string to one of Version_script_info::Language.  Adjust all
6854         uses accordingly.
6855         (class Lazy_demangler): Remove.
6856         (struct Version_expression): Change language from std::string to
6857         Version_script_info::Language.
6858         (Version_script_info::Version_script_info): New function.
6859         (Version_script_info::~Version_script_info): Don't call clear.
6860         (Version_script_info::finalize): New function.
6861         (Version_script_info::build_lookup_tables): New function.
6862         (Version_script_info::build_expression_list_lookup): New
6863         function.
6864         (Version_script_info::get_symbol_version_helper): Rewrite to use
6865         lookup tables.
6866         (Version_script_info::print_expression_list): Adjust to use
6867         Version_script_info::Language.
6868         (script_push_lex_into_version_mode): Check that the version script
6869         has not been finalized.
6870         (version_script_push_lang): Change language string to
6871         Version_script_info::Language.
6872         * options.cc (Command_line::version_script): New function.
6873         * options.h (class General_options): Add finalize_dynamic_list
6874         function.  Change version_script from declaration to definition.
6875         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6876         * testsuite/version_script.map: Remove duplicate def of foo.
6877         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6878         version_script.map.
6879         * testsuite/Makefile.in: Rebuild.
6880
6881 2009-12-30  Ian Lance Taylor  <iant@google.com>
6882
6883         PR 10843
6884         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6885         if the input symbol index is 0, make the output symbol index 0.
6886
6887 2009-12-30  Ian Lance Taylor  <iant@google.com>
6888
6889         PR 10670
6890         * options.h (class General_options): Add -x/--discard-all.
6891         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6892         --discard-all.  If the local symbol needs a dynamic entry, check
6893         that before handling --discard-locals.
6894
6895 2009-12-30  Ian Lance Taylor  <iant@google.com>
6896
6897         PR 10450
6898         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6899         flags to PF_R.
6900         (Output_segment::add_output_section): Don't change the flags if
6901         the type is PT_TLS.
6902
6903         PR 10450
6904         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6905         GNU hash table if they need a dynamic value.  Otherwise, don't add
6906         them if they are defined in a dynamic object or are forced local.
6907
6908 2009-12-29  Ian Lance Taylor  <iant@google.com>
6909
6910         PR 10450
6911         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6912         .gnu.hash table for a 32-bit target.
6913
6914         PR 10450
6915         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6916         regular and a dynamic object only needs a dynamic symbol table
6917         entry if it is externally visible.
6918
6919         PR 10450
6920         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6921         constructor.  Add global_offset_table_ field.
6922         (Target_i386::got_section): Set global_offset_table_.
6923         (Target_i386::do_finalize_sections): Set global_offset_table_
6924         size.
6925         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6926         in constructor.  Add global_offset_table_ field.
6927         (Target_x86_64::got_section): Set global_offset_table_.
6928         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6929         size.
6930
6931         * layout.cc (Layout::Layout): Initialize increase_relro_.
6932         (Layout::get_output_section): Add is_relro, is_last_relro, and
6933         is_first_non_relro parameters.  Change all callers.
6934         (Layout::choose_output_section): Likewise.
6935         (Layout::add_output_section_data): Likewise.
6936         (Layout::make_output_section): Likewise.
6937         (Layout::set_segment_offsets): Clear increase_relro when using a
6938         linker script.
6939         * layout.h (class Layout): Add increase_relro method.  Add
6940         increase_relro_ field.  Update declarations.
6941         * output.cc (Output_section::Output_section): Initialize
6942         is_last_relro_ and is_first_non_relro_.
6943         (Output_segment::add_output_section): Group relro sections is
6944         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6945         (Output_segment::maximum_alignment): Remove relro handling.
6946         (Output_segment::set_section_addresses): Add increase_relro
6947         parameter.  Change all callers.  Add initial alignment to align
6948         relro sections on separate page.  Remove old relro handling.
6949         (Output_segment::set_section_list_addresses): Remove in_relro
6950         parameter.  Change all callers.
6951         (Output_segment::set_offset): Add increase parameter.  Change all
6952         callers.  Remove old relro handling.
6953         * output.h (class Output_section): Add new methods: is_last_relro,
6954         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6955         Add is_last_relro_ and is_first_non_relro_ fields.
6956         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6957         Create separate .got.plt section.  Call increase_relro.
6958         * x86_64.cc (Target_x86_64::got_section): Likewise.
6959         * testsuite/relro_script_test.t: Add .got.plt.
6960
6961         PR 10450
6962         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6963         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6964         (Layout::finalize): Call set_dynamic_symbol_size.
6965         (Layout::set_dynamic_symbol_size): New function.
6966         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6967         set_dynamic_symbol_size.
6968
6969         PR 10450
6970         * output.h (class Output_section): Add is_entsize_zero_ field.
6971         * output.cc (Output_section::Output_section): Initialize
6972         is_entsize_zero_.
6973         (Output_section::set_entsize): If two different entsizes are
6974         requested, force it to zero.
6975         (Output_section::add_input_section): Set flags for .debug_str
6976         before updating section flags.  Set entsize.
6977         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6978         and SHF_STRING if all input sections have those flags.
6979
6980 2009-12-29   Rafael Espindola  <espindola@google.com>
6981
6982         * main.cc (main): Fix the sys time reporting.
6983         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6984         reporting.
6985
6986 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6987
6988         * options.cc (General_options::parse_version): Allow -v to exit
6989         without an error if there is nothing to link.
6990
6991 2009-12-29  Ian Lance Taylor  <iant@google.com>
6992
6993         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6994         using a version of gcc before 4.1.
6995         * configure: Rebuild.
6996
6997 2009-12-28  Chris Demetriou  <cgd@google.com>
6998
6999         * attributes.cc (Output_attributes_section_data::do_write): Use
7000         std::vector::front rather than std::vector::data.
7001
7002 2009-12-28  Ian Lance Taylor  <iant@google.com>
7003
7004         * symtab.h (class Symbol_table): Add enum Defined.
7005         * resolve.cc (Symbol_table::should_override): Add defined
7006         parameter.  Change all callers.  Test whether object is NULL
7007         before calling a method on it.
7008         (Symbol_table::report_resolve_problem): Add defined parameter.
7009         Change all callers.
7010         (Symbol_table::should_override_with_special): Likewise.
7011         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7012         parameter.  Change all callers.
7013         (Symbol_table::do_define_in_output_data): Likewise.
7014         (Symbol_table::define_in_output_segment): Likewise.
7015         (Symbol_table::do_define_in_output_segment): Likewise.
7016         (Symbol_table::define_as_constant): Likewise.
7017         (Symbol_table::do_define_as_constant): Likewise.
7018         * script.h (class Symbol_assignment): Add is_defsym parameter to
7019         constructor; change all callers.
7020         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7021         parameter.  Change all callers.  Add is_defsym_ field.
7022         (class Parser_closure): Add parsing_defsym parameter to
7023         constructor; change all callers.  Add parsing_defsym accessor
7024         function.  Add parsing_defsym_ field.
7025
7026 2009-12-28  Ian Lance Taylor  <iant@google.com>
7027
7028         * gold.cc (queue_middle_tasks): Fix formatting.
7029         * object.cc (Relobj::is_section_name_included): Likewise.
7030
7031 2009-12-23  Ian Lance Taylor  <iant@google.com>
7032
7033         * i386.cc (Target_i386::do_calls_non_split): Recognize
7034         -fsplit-stack prologue for a function with a static chain.
7035         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7036         -fsplit-stack prologue when using %r11.
7037
7038 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7039
7040         * options.cc (General_options::parse_version): Make -v continue and do
7041         the link like GNU ld does.
7042
7043 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7044
7045         * Makefile.am (CCFILES): Add timer.cc.
7046         (HFILES): Add timer.h.
7047         * configure.ac: Check for sysconf and times.
7048         * main.cc: include timer.h.
7049         (main): Use Timer instead of get_run_time.
7050         * timer.cc: New.
7051         * timer.h: New.
7052         * workqueue.cc: include timer.h.
7053         (Workqueue::find_and_run_task):
7054         Report user, sys and wall time.
7055         * Makefile.in: Regenerate.
7056         * config.in: Regenerate.
7057         * configure: Regenerate.
7058
7059 2009-12-16  Doug Kwan  <dougkwan@google.com>
7060
7061         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7062         sections.
7063         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7064         relaxed input sections.
7065         * output.cc (Output_section::find_relaxed_input_section): Change
7066         return type to Output_relaxed_input_section pointer.  Adjust code
7067         for new type of relaxed_input_section_map_.
7068         * output.h (Output_section::find_relaxed_input_section): Change
7069         return type to Output_relaxed_input_section pointer.
7070         (Output_section::Output_relaxed_input_section_by_input_section_map):
7071         New type.
7072         (Output_section::relaxed_input_section_map_): Change type to
7073         Output_section::Output_relaxed_input_section_by_input_section_map.
7074         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7075         input section.
7076
7077 2009-12-15  Ian Lance Taylor  <iant@google.com>
7078
7079         * layout.cc (Layout::create_shstrtab): Only write out after input
7080         sections if we are compressing debug sections.
7081
7082 2009-12-15  Ian Lance Taylor  <iant@google.com>
7083
7084         * archive.cc (Archive::add_symbols): Only look up a symbol without
7085         a version if there is, in fact, a version.
7086
7087 2009-12-14  Ian Lance Taylor  <iant@google.com>
7088
7089         Revert -Wshadow changes, all changes from:
7090         2009-12-11  Doug Kwan  <dougkwan@google.com>
7091         2009-12-11  Nick Clifton  <nickc@redhat.com>
7092         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7093
7094 2009-12-11  Doug Kwan  <dougkwan@google.com>
7095
7096         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7097         due to -Wshadow.
7098         * attributes.cc (Object_attribute::size): Ditto.
7099         (Attributes_section_data::size): Ditto.
7100         (Attributes_section_data::Attributes_section_data): Ditto.
7101         (Output_attributes_section_data::do_write): Ditto.
7102         * attributes.h (Object_attribute::set_type): Ditto.
7103         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7104
7105 2009-12-11  Nick Clifton  <nickc@redhat.com>
7106
7107         * archive.cc: Fix shadowed variable warnings.
7108         * arm.cc: Likewise.
7109         * compressed_output.cc: Likewise.
7110         * compressed_output.h: Likewise.
7111         * configure: Likewise.
7112         * dwarf_reader.cc: Likewise.
7113         * dynobj.cc: Likewise.
7114         * dynobj.h: Likewise.
7115         * ehframe.cc: Likewise.
7116         * ehframe.h: Likewise.
7117         * errors.cc: Likewise.
7118         * expression.cc: Likewise.
7119         * fileread.cc: Likewise.
7120         * fileread.h: Likewise.
7121         * freebsd.h: Likewise.
7122         * i386.cc: Likewise.
7123         * icf.cc: Likewise.
7124         * incremental.h: Likewise.
7125         * layout.cc: Likewise.
7126         * layout.h: Likewise.
7127         * mapfile.cc: Likewise.
7128         * merge.cc: Likewise.
7129         * merge.h: Likewise.
7130         * object.cc: Likewise.
7131         * object.h: Likewise.
7132         * options.h: Likewise.
7133         * output.cc: Likewise.
7134         * output.h: Likewise.
7135         * parameters.cc: Likewise.
7136         * plugin.cc: Likewise.
7137         * powerpc.cc: Likewise.
7138         * reduced_debug_output.cc: Likewise.
7139         * reduced_debug_output.h: Likewise.
7140         * reloc.cc: Likewise.
7141         * reloc.h: Likewise.
7142         * resolve.cc: Likewise.
7143         * script-sections.cc: Likewise.
7144         * script.cc: Likewise.
7145         * script.h: Likewise.
7146         * sparc.cc: Likewise.
7147         * symtab.cc: Likewise.
7148         * symtab.h: Likewise.
7149         * target-select.cc: Likewise.
7150         * target-select.h: Likewise.
7151         * token.h: Likewise.
7152         * workqueue.cc: Likewise.
7153         * workqueue.h: Likewise.
7154         * x86_64.cc: Likewise.
7155
7156 2009-12-10  Doug Kwan  <dougkwan@google.com>
7157
7158         * arm.cc (attributes.h): New include.
7159         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7160         (Arm_relobj::~Arm_relobj): Delete object pointed by
7161         attributes_section_data_.
7162         (Arm_relobj::attributes_section_data): New method definition.
7163         (Arm_relobj::attributes_section_data_): New data member declaration.
7164         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7165         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7166         attributes_section_data_.
7167         (Arm_dynobj::attributes_section_data): New method definition.
7168         (Arm_dynobj::attributes_section_data_): New data member declaration.
7169         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7170         initialization value of may_use_blx_ to false.
7171         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7172         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7173         object attributes to compute results instead of hard-coding.
7174         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7175         Target_arm::get_secondary_compatible_arch,
7176         Target_arm::set_secondary_compatible_arch
7177         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7178         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7179         New method declarations.
7180         (Target_arm::get_aeabi_object_attribute): New method definition.
7181         (Target_arm::attributes_section_data_): New data member declaration.
7182         (read_arm_attributes_section): New template definition.
7183         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7184         (Arm_dynobj::do_read_symbols): Ditto.
7185         (Target_arm::do_finalize_sections): Merge attributes sections from
7186         input.  Check for BLX use after attributes section merging.
7187         Fix __exidx_start and __exidx_end visibility.  Create an
7188         .ARM.attributes section if necessary.
7189         (Target_arm::get_secondary_compatible_arch,
7190         Target_arm::set_secondary_compatible_arch,
7191         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7192         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7193         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7194         New method definitions.
7195
7196 2009-12-09  Ian Lance Taylor  <iant@google.com>
7197
7198         * plugin.cc (Plugin::load): Don't cast from void* to a function
7199         pointer.
7200
7201 2009-12-09  Ian Lance Taylor  <iant@google.com>
7202
7203         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7204         information fields.
7205
7206 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7207
7208         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7209         Replace two_file_shared_1.so with two_file_shared_2.so.
7210         * testsuite/Makefile.in: Regenerated.
7211
7212 2009-12-08  Doug Kwan  <dougkwan@google.com>
7213
7214         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7215         (HFILES): Add attributes.h and int_encoding.h.
7216         * Makefile.in: Regenerate.
7217         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7218         function definitions to int_encoding.cc
7219         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7220         prototypes to int_encoding.h
7221         * reduced_debug_output.cc (int_encoding.h): New include.
7222         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7223         function definitions to int_encoding.cc
7224         (insert_into_vector, read_from_pointer): Move template definitions to
7225         int_encoding.h
7226         * attributes.cc: New file.
7227         * attributes.h: New file.
7228         * int_encoding.cc: New file.
7229         * int_encoding.h: New file.
7230
7231 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7232
7233         PR gold/11055
7234         * incremental-dump.cc (dump_incremental_inputs): New.
7235         (main): Use dump_incremental_inputs.
7236
7237 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7238
7239         PR gold/10893
7240         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7241         checking elfcpp::STT_FUNC.
7242         (Target_i386::Relocate::relocate): Likewise.
7243         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7244
7245         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7246         symbols from shared libraries into normal FUNC symbols.
7247
7248         * symtab.h (Symbol): Add is_func and use it.
7249
7250 2009-12-05  Doug Kwan  <dougkwan@google.com>
7251
7252         * arm.cc (Target_arm::arm_info): Initialize new fields
7253         attributes_section and attributes_vendor.
7254         * i386.cc (Target_i386::i386_info): Same.
7255         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7256         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7257         fields attributes_section and attributes_vendor.
7258         * sparc.cc (Target_sparc::sparc_info): Same.
7259         * target.h (Target::attributes_section, Target::attributes_vendor,
7260         Target::is_attributes_section, Target::attribute_arg_type,
7261         Target::attributes_order): New method definitions.
7262         (Target::Target_info::attributes_section,
7263         Target::Target_info::attributes_vendor): New fields.
7264         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7265         virtual method definitions.
7266         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7267         attributes_section and attributes_vendor.
7268         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7269
7270 2009-12-05  Doug Kwan  <dougkwan@google.com>
7271
7272         * arm.cc: Update comments about interworking and stub generation.
7273         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7274         considered as non-PIC.
7275         (Arm_relocate_functions::base_abs): Fix formatting.
7276         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7277         of function to use GOT entry address instead of offset.
7278         (Target_arm::Scan::global): Issue an error if a symbol would need a
7279         PLT does not get one because it is untyped.  Remove code to create
7280         dynamic symbols for relative branches.
7281         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7282         takes unsigned integer instead of boolean.
7283
7284 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7285
7286         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7287         (two_file_test_LDADD): Likewise.
7288         (common_test_1_LDADD): Likewise.
7289         (exception_test_LDADD) Likewise.
7290         (weak_test_LDADD): Likewise.
7291         (many_sections_test_LDADD): Likewise.
7292         (initpri1_LDADD): Likewise.
7293         (script_test_1_LDADD): Likewise.
7294         (script_test_2_LDADD): Likewise.
7295         (justsyms_LDADD): Likewise.
7296         (binary_test_LDADD): Likewise.
7297         (large_LDADD): Likewise.
7298         * testsuite/Makefile.in: Regenerated.
7299
7300 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7301
7302         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7303         (Symbol_table::override_with_special): Likewise.
7304         (Symbol_table::add_from_object): Likewise.
7305
7306 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7307
7308         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7309         Don't set the data_offset twice.
7310
7311 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7312
7313         * testsuite/Makefile.in: Regenerate.
7314
7315 2009-12-03  Doug Kwan  <dougkwan@google.com>
7316
7317         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7318         (Target_arm::do_finalize_sections): Add parameter for symbol table
7319         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7320         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7321         parameter for symbol table pointer.
7322         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7323         an additional parameter for a pointer to symbol table.
7324         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7325         parameter for a symbol table pointer.
7326         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7327         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7328         Ditto.
7329         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7330         parameter for a symbol table pointer.
7331
7332 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7333
7334         * incremental.cc (Incremental_inputs_header)
7335         (Incremental_inputs_header_write, Incremental_inputs_entry)
7336         (Incremental_inputs_entry_write): Move ...
7337         * incremental.h (Incremental_inputs_header)
7338         (Incremental_inputs_header_write, Incremental_inputs_entry)
7339         (Incremental_inputs_entry_write): here.
7340
7341 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7342
7343         * incremental.cc (make_sized_incremental_binary): Set the target.
7344         Error if it is incompatible.
7345         * output.h (Output_file): Add filename method.
7346
7347 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7350         from the get_* methods.
7351
7352 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7353
7354         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7355         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7356         Write 0 for the data_offset of scripts.
7357
7358 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7359
7360         * testsuite/Makefile.am: Add the incremental_test.sh test.
7361         * testsuite/incremental_test.sh: New.
7362         * testsuite/incremental_test_1.c: New.
7363         * testsuite/incremental_test_2.c: New.
7364
7365 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7366
7367        * incremental-dump.cc (main): Fix typos.
7368
7369 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7370
7371         PR gold/11025
7372         * incremental-dump.cc (main): Use llu to print 64 bit values.
7373
7374 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7375             H.J. Lu  <hongjiu.lu@intel.com>
7376
7377         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7378         $(LIBDL).
7379         (incremental_dump_LDADD): Likewise.
7380         * Makefile.in: Regenerated.
7381
7382 2009-11-25  Doug Kwan  <dougkwan@google.com>
7383
7384         Revert:
7385
7386         2009-11-25  Doug Kwan  <dougkwan@google.com>
7387
7388                 * arm.cc (Target_arm::Target_arm): Move method definition
7389                 outside of class definition.  Add code to handle
7390                 --target1-rel, --target1-abs and --target2= options.
7391                 (Target_arm::get_reloc_reloc_type): Change method to be
7392                 non-static and const.
7393                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7394                 New data member declaration.
7395                 (Target_arm::Scan::local, Target_arm::Scan::global,
7396                 Target_arm::Relocate::relocate,
7397                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7398                 Adjust call to Target_arm::get_real_reloc_type.
7399                 (Target_arm::get_real_reloc_type): Use command line options
7400                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7401                 * options.h (--target1-rel, --target1-abs, --target2): New
7402                 ARM-only options.
7403
7404 2009-11-25  Doug Kwan  <dougkwan@google.com>
7405
7406         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7407         class definition.  Add code to handle --target1-rel, --target1-abs
7408         and --target2= options.
7409         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7410         and const.
7411         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7412         member declaration.
7413         (Target_arm::Scan::local, Target_arm::Scan::global,
7414         Target_arm::Relocate::relocate,
7415         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7416         call to Target_arm::get_real_reloc_type.
7417         (Target_arm::get_real_reloc_type): Use command line options to
7418         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7419         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7420         options.
7421
7422 2009-11-25  Doug Kwan  <dougkwan@google.com>
7423
7424         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7425         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7426         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7427         formatting.
7428         (Arm_relocate_functions::thm_call): Replace body with a call to
7429         Arm_relocate_functions::thumb_branch_common.
7430         (Arm_relocate_functions::thm_jump24,
7431         Arm_relocate_functions::thm_xpc22): New method definitions.
7432         (Arm_relocate_functions::thumb_branch_common): New method definition.
7433         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7434         operator.
7435         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7436         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7437
7438 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7439
7440         * Makefile.am: Build incremental-dump
7441         * Makefile.in: Regenerate.
7442         * incremental-dump.cc: New.
7443         * incremental.cc (Incremental_inputs_header_data,
7444         Incremental_inputs_entry_data): Move to incremental.h
7445         * incremental.h: (Incremental_inputs_header_data,
7446         Incremental_inputs_entry_data): Move from incremental.cc
7447
7448 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7449
7450         * incremental.cc (Incremental_inputs_header,
7451         Incremental_inputs_header_write, Incremental_inputs_entry,
7452         Incremental_inputs_entry_write): Add a typedef with the data type.
7453
7454 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7455
7456         * incremental.cc (Incremental_inputs_header,
7457         Incremental_inputs_header_write, Incremental_inputs_entry,
7458         Incremental_inputs_entry_write): Update comment about which
7459         type has the filed descriptions.
7460
7461 2009-11-15  Doug Kwan  <dougkwan@google.com>
7462
7463         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7464         (Arm_relocate_functions::arm_branch_common): Change method defintion
7465         in class definition to a method declaration and update list of formal
7466         parameters.
7467         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7468         Arm_relocation_functions::jump24): Adjust call to
7469         Arm_relocate_functions::arm_branch_common.  Update list of formal
7470         parameters.
7471         (Arm_relocate_functions::xpc25): New method definition.
7472         (Arm_relocate_functions::arm_branch_common): Move method defintion
7473         out from class definition.  Use stubs for mode-switching and extending
7474         branch ranges.
7475         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7476         specially.  Change code to enable use of stubs in ARM branches.
7477
7478 2009-11-10  Doug Kwan  <dougkwan@google.com>
7479
7480         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7481         in method declaration.
7482         (Target_arm::relocate_stub): New method declaration.
7483         (Target_arm::default_target): Change to return a pointer instead of
7484         a const reference.
7485         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7486         Target_arm::default_target.
7487         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7488         method definition.
7489         (Target_arm::relocate_section): Adjust view.
7490         (Target_arm::relocate_stub): New method definition.
7491
7492 2009-11-10  Doug Kwan  <dougkwan@google.com>
7493
7494         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7495         a format warning.
7496         * incremental.cc (open_incremental_binary): Initialized local
7497         variables to avoid warnings.
7498         * object.cc (make_elf_object): Ditto.
7499         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7500         a format warning.
7501
7502 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7503
7504         PR gold/10930
7505         * testsuite/plugin_test.c: Include "config.h".
7506
7507 2009-11-09  Doug Kwan  <dougkwan@google.com>
7508
7509         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7510         (arm_symbol_value): Remove.
7511         (Arm_relocate_functions::arm_branch_common,
7512         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7513         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7514         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7515         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7516         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7517         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7518         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7519         Arm_relocate_functions::thm_mobw_abs_nc,
7520         Arm_relocate_functions::thm_mov_abs,
7521         Arm_relocate_functions::movw_prel_nc,
7522         Arm_relocate_functions::thm_movt_abs,
7523         Arm_relocate_functions::movt_prel,
7524         Arm_relocate_functions::thm_movw_prel_nc,
7525         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7526         (Target_arm::Relocate::relocate): Only decompose address into two
7527         parts if relocation type uses the thumb-bit and pass the actual
7528         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7529         calls to methods in Arm_relocate_functions for this change.
7530
7531 2009-11-08  Ian Lance Taylor  <iant@google.com>
7532
7533         PR 10925
7534         * reloc.cc: Instantiate
7535         Sized_relobj::initialize_input_to_output_maps and
7536         Sized_relobj:free_input_to_output_maps.
7537
7538 2009-11-06  Ian Lance Taylor  <iant@google.com>
7539
7540         PR 10876
7541         * defstd.cc (in_segment): Set only_if_ref true for "end".
7542
7543 2009-11-06  Doug Kwan  <dougkwan@google.com>
7544
7545         * arm.cc (class Reloc_stub): Correct a comment.
7546         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7547         (Target_arm::scan_section_for_stubs): New method declaration.
7548         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7549         Change methods from private to protected.
7550         (Target_arm::do_may_relax): New method definition.
7551         (Target_arm::do_relax, Target_arm::group_sections,
7552         Target_arm::scan_reloc_for_stub,
7553         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7554         (Target_arm::arm_input_section_map_): New data member declaration.
7555         (Target_arm::scan_reloc_for_stub,
7556         Target_arm::scan_reloc_section_for_stubs,
7557         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7558         Target_arm::do_relax): New method definitions.
7559
7560 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7561
7562         * configure.ac: Check for (struct stat)::st_mtim
7563         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7564         * config.in: Regenerate.
7565         * configure: Regenerate.
7566
7567 2009-11-05  Ian Lance Taylor  <iant@google.com>
7568
7569         PR 10910
7570         * output.cc (Output_segment::add_output_section): Add missing
7571         return statement.
7572
7573 2009-11-04  Ian Lance Taylor  <iant@google.com>
7574
7575         PR 10880
7576         * object.h (class Object): Add is_needed and set_is_needed
7577         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7578         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7579         defined in a dynamic object and referenced by a regular object,
7580         set is_needed for the dynamic object.
7581         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7582         if the file is marked with as_needed and it is not needed.
7583
7584 2009-11-04  Ian Lance Taylor  <iant@google.com>
7585
7586         PR 10887
7587         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7588         tags if data is discarded by linker script.
7589         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7590         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7591         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7592         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7593
7594 2009-11-04  Ian Lance Taylor  <iant@google.com>
7595
7596         * layout.cc (Layout::get_output_section): Add is_interp and
7597         is_dynamic_linker_section parameters.  Change all callers.
7598         (Layout::choose_output_section): Likewise.
7599         (Layout::make_output_section): Likewise.
7600         (Layout::add_output_section_data): Add is_dynamic_linker_section
7601         parameter.  Change all callers.
7602         * layout.h (class Layout): Update declarations.
7603         * output.h (class Output_section): Add is_interp, set_is_interp,
7604         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7605         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7606         generate_code_fills_at_write_ to a bitfield.
7607         * output.cc (Output_section::Output_sections): Initialize new
7608         fields.
7609         (Output_segment::add_output_section): Add do_sort parameter.
7610         Change all callers.
7611
7612 2009-11-03  Ian Lance Taylor  <iant@google.com>
7613
7614         PR 10860
7615         * options.h (class General_options): Add --warn-common.
7616         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7617         merging two common symbols.
7618         (Symbol_table::should_override): Handle --warn-common when merging
7619         a common symbol with a defined symbol.  Use report_resolve_problem
7620         for multiple definitions.
7621         (Symbol_table::report_resolve_problem): New function.
7622         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7623
7624 2009-11-03  Doug Kwan  <dougkwan@google.com>
7625
7626         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7627         stub_factory_.
7628         (Target_arm::stub_factory): New method definition.
7629         (Target_arm::new_arm_input_section,
7630         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7631         Target_arm::reloc_uses_thumb_bit): New method declarations.
7632         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7633         New type definitions.
7634         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7635         member declarations.
7636         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7637         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7638         New method definitions.
7639
7640 2009-11-03  Ian Lance Taylor  <iant@google.com>
7641
7642         * options.h (class General_options): Add --warn_constructors.
7643
7644 2009-11-03  Ian Lance Taylor  <iant@google.com>
7645
7646         PR 10893
7647         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7648         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7649
7650 2009-11-03  Ian Lance Taylor  <iant@google.com>
7651
7652         PR 10895
7653         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7654         --msgid-bugs-address.
7655         (install-pdf): New target.
7656         (install-data_yes): Look up one directory to find mkinstalldirs.
7657
7658 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7659
7660         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7661         tree.
7662
7663 2009-10-30  Doug Kwan  <dougkwan@google.com>
7664
7665         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7666
7667 2009-10-30  Doug Kwan  <dougkwan@google.com>
7668
7669         * arm.cc (Stub_addend_reader): New struct template definition
7670         and partial specializations.
7671         (Stub_addend_reader::operator()): New method definition for a
7672         partially specialized template.
7673
7674 2009-10-30  Doug Kwan  <dougkwan@google.com>
7675
7676         * arm.cc (Arm_relobj::processor_specific_flags): New method
7677         definition.
7678         (Arm_relobj::do_read_symbols): New method declaration.
7679         (Arm_relobj::processor_specific_flags_): New data member declaration.
7680         (Arm_dynobj): New class definition.
7681         (Target_arm::do_finalize_sections): Add input_objects parameter.
7682         (Target_arm::do_adjust_elf_header): New method declaration.
7683         (Target_arm::are_eabi_versions_compatible,
7684         (Target_arm::merge_processor_specific_flags): New method declaration.
7685         (Target_arm::do_make_elf_object): New overloaded method definitions
7686         and declaration.
7687         (Arm_relobj::do_read_symbols): New method definition.
7688         (Arm_dynobj::do_read_symbols): Ditto.
7689         (Target_arm::do_finalize_sections): Add input_objects parameters.
7690         Merge processor-specific flags from all input objects.
7691         (Target_arm::are_eabi_versions_compatible,
7692         Target_arm::merge_processor_specific_flags,
7693         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7694         New method definitions.
7695         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7696         Input_objects pointer type parameter.
7697         * layout.cc (Layout::finalize): Pass input objects to target's.
7698         finalize_sections function.
7699         * output.cc (Output_file_header::do_sized_write): Set ELF file
7700         header's processor-specific flags.
7701         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7702         Input_objects pointer type parameter.
7703         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7704         * target.h (Input_objects): New forward class declaration.
7705         (Target::processor_specific_flags,
7706         Target::are_processor_specific_flags_sect): New method definitions.
7707         (Target::finalize_sections): Add input_objects parameter.
7708         (Target::Target): Initialize processor_specific_flags_ and
7709         are_processor_specific_flags_set_.
7710         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7711         parameter.
7712         (Target::set_processor_specific_flags): New method definition.
7713         (Target::processor_specific_flags_,
7714         Target::are_processor_specific_flags_set_): New data member
7715         declarations.
7716         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7717         Input_objects pointer type parameter.
7718
7719 2009-10-30  Doug Kwan  <dougkwan@google.com>
7720
7721         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7722
7723 2009-10-28  Ian Lance Taylor  <iant@google.com>
7724
7725         * object.h (class Relobj): Drop options parameter from
7726         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7727         do_scan_relocs, do_relocate.  Change all callers.
7728         (class Sized_relobj): Drop options parameters from
7729         do_gc_process_relocs, do_scan_relocs, do_relocate,
7730         do_relocate_sections, relocate_sections, emit_relocs_scan,
7731         emit_relocs_scan_reltype.  Change all callers.
7732         (struct Relocate_info): Remove options field and all references to
7733         it.
7734         * reloc.h (class Read_relocs): Remove options constructor
7735         parameter and options_ field.  Change all callers.
7736         (class Gc_process_relocs, class Scan_relocs): Likewise.
7737         (class Relocate_task): Likewise.
7738         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7739         all callers.
7740         (scan_relocatable_relocs): Likewise.
7741         * target.h (class Sized_target): Remove options parameter from
7742         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7743         all callers.
7744         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7745         callers.
7746         * arm.cc: Update functions to remove options parameters.
7747         * i386.cc: Likewise.
7748         * powerpc.cc: Likewise.
7749         * sparc.cc: Likewise.
7750         * x86_64.cc: Likewise.
7751         * testsuite/testfile.cc: Likewise.
7752
7753 2009-10-28  Doug Kwan  <dougkwan@google.com>
7754
7755         * arm.cc (Arm_relobj): New class definition.
7756         (Arm_relobj::scan_sections_for_stubs,
7757         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7758         New method definitions.
7759
7760 2009-10-28  Cary Coutant  <ccoutant@google.com>
7761
7762         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7763         (Plugin::cleanup_done_): New member.
7764         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7765         (Plugin_manager::cleanup_done_): Remove.
7766         (Plugin_manager::add_input_file): Edit error message.
7767         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7768         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7769
7770 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7771
7772         * fileread.cc: (File_read::View::~View): Use the new
7773         data_ownership_ filed.
7774         (File_read::~File_read): Dispose the new whole_file_view_.
7775         (File_read::open): Mmap the whole file if needed.
7776         (File_read::open): Use whole_file_view_ instead of contents_.
7777         (File_read::find_view): Use whole_file_view_ if applicable.
7778         (File_read::do_read): Use whole_file_view_ instead of contents_.
7779         (File_read::make_view): Use whole_file_view_ instead of contents_,
7780         update File_read::View::View call.
7781         (File_read::find_or_make_view): Update File_read::View::View
7782         call.
7783         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7784         remove contents_
7785         (File_read::View::Data_ownership): New enum.
7786         (File_read::View::View): Replace bool mapped_ with Data_ownership
7787         argument.
7788         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7789         (File_read::View::data_ownership_): New field.
7790         (File_read::contents_): Remove (replaced by whole_file_view_).
7791         (File_read::whole_file_view_): New field.
7792         * options.h (class General_options): Add --keep-files-mapped.
7793
7794 2009-10-27  Cary Coutant  <ccoutant@google.com>
7795
7796         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7797         * testsuite/Makefile.am (plugin_test_5): New test case.
7798         * testsuite/Makefile.in: Regenerate.
7799
7800 2009-10-25  Doug Kwan  <dougkwan@google.com>
7801
7802         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7803         from private to protected to allow access by child class.
7804         (Sized_relobj::do_relocate_sections): New method declaration.
7805         (Sized_relobj::relocate_sections): Virtualize.
7806         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7807         Sized_relobj::relocate_sections.  Instantiate template explicitly
7808         for different target sizes and endianity.
7809
7810 2009-10-24  Doug Kwan  <dougkwan@google.com>
7811
7812         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7813         (Arm_input_section::as_arm_input_section): New method.
7814         (Arm_output_section): New class definition.
7815         (Arm_output_section::create_stub_group,
7816         Arm_output_section::group_sections): New method definitions.
7817
7818 2009-10-22  Doug Kwan  <dougkwan@google.com>
7819
7820         * arm.cc (Arm_input_section): New class definition.
7821         (Arm_input_section::init, Arm_input_section:do_write,
7822         Arm_input_section::set_final_data_size,
7823         Arm_input_section::do_reset_address_and_file_offset): New method
7824         definitions.
7825
7826 2009-10-21  Doug Kwan  <dougkwan@google.com>
7827
7828         * arm.cc (Stub_table, Arm_input_section): New forward class
7829         declarations.
7830         (Stub_table): New class defintion.
7831         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7832         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7833         New method definition.
7834
7835 2009-10-21  Doug Kwan  <dougkwan@google.com>
7836
7837         * arm.cc: Update copyright comments.
7838         (Target_arm): New forward class template declaration.
7839         (Arm_address): New type.
7840         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7841         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7842         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7843         constants.
7844         (Insn_template): Same.
7845         (DEF_STUBS): New macro.
7846         (Stub_type): New enum type.
7847         (Stub_template): New class definition.
7848         (Stub): Same.
7849         (Reloc_stub): Same.
7850         (Stub_factory): Same.
7851         (Target_arm::Target_arm): Initialize may_use_blx_ and
7852         should_force_pic_veneer_.
7853         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7854         Target_arm::should_force_pic_veneer,
7855         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7856         Target_arm::using_thumb_only, Target_arm:;default_target): New
7857         method defintions.
7858         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7859         New data member declarations.
7860         (Insn_template::size, Insn_template::alignment): New method defintions.
7861         (Stub_template::Stub_template): New method definition.
7862         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7863         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7864         (Stub_factory::Stub_factory): New method definition.
7865         * gold.h (string_hash): New template.
7866         * output.h (Input_section_specifier::hash_value): Use
7867         gold::string_hash.
7868         (Input_section_specifier::string_hash): Remove.
7869         * stringpool.cc (Stringpool_template::string_hash): Use
7870         gold::string_hash.
7871
7872 2009-10-20  Doug Kwan  <dougkwan@google.com>
7873
7874         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7875         symbols of relaxed input sections.
7876         * output.h (Output_section::find_relaxed_input_section): Make
7877         method public.
7878
7879 2009-10-16  Doug Kwan  <dougkwan@google.com>
7880
7881         * dynobj.cc (Versions::Versions): Initialize version_script_.
7882         Only insert base version symbol definition for a shared object
7883         if version script defines any version versions.
7884         (Versions::define_base_version): New method definition.
7885         (Versions::add_def): Check that base version is not needed.
7886         (Versions::add_need): Define base version lazily.
7887         * dynobj.h (Versions::define_base_version): New method declaration.
7888         (Versions::needs_base_version_): New data member declaration.
7889         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7890         (check_DATA): Add no_version_test.stdout.
7891         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7892         New make rules.
7893         * testsuite/Makefile.in: Regenerate.
7894         * testsuite/no_version_test.c: New file.
7895         * testsuite/no_version_test.sh: Ditto.
7896
7897 2009-10-16  Doug Kwan  <dougkwan@google.com>
7898
7899         * expression.cc (class Segment_start_expression): New class definition.
7900         (Segment_start_expression::value): New method definition.
7901         (script_exp_function_segment_start): Return a new
7902         Segment_start_expression.
7903         * gold/script-c.h (script_saw_segment_start_expression): New function
7904         prototype.
7905         * script-sections.cc (Script_sections::Script_sections): Initialize
7906         SAW_SEGMENT_START_EXPRESSION_ to false.
7907         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7908         and -Tbbs options to specify section addresses if given in
7909         command line and no SEGMENT_START expression is seen in a script.
7910         * script-sections.h (Script_sections::saw_segment_start_expression,
7911         Script_sections::set_saw_segment_start_expression): New method
7912         definition.
7913         (Script_sections::saw_segment_start_expression_): New data member
7914         declaration.
7915         * script.cc (script_saw_segment_start_expression): New function.
7916         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7917         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7918         script_test_7.sh and script_test_8.sh.
7919         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7920         script_test_8.stdout.
7921         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7922         (script_test_6, script_test_6.stdout, script_test_7,
7923         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7924         * Makefile.in: Regenerate.
7925         * testsuite/script_test_6.sh: New file.
7926         * testsuite/script_test_6.t: Same.
7927         * testsuite/script_test_7.sh: Same.
7928         * testsuite/script_test_7.t: Same.
7929         * testsuite/script_test_8.sh: Same.
7930
7931 2009-10-16  Doug Kwan  <dougkwan@google.com>
7932
7933         * output.cc (Output_segment::set_section_list_address): Cast
7934         expressions to unsigned long long type to avoid format warnings.
7935
7936 2009-10-15  Ian Lance Taylor  <iant@google.com>
7937
7938         * script.cc (Script_options::add_symbol_assignment): Always add a
7939         dot assignment to script_sections_.
7940         * script-sections.cc (Script_sections::add_dot_assignment):
7941         Initialize if necessary.
7942
7943         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7944         program headers with no load segment if there is a linker script.
7945
7946         * layout.cc (Layout::set_segment_offsets): Align the file offset
7947         to the segment aligment for -N or -n with no load segment.
7948         * output.cc (Output_segment::add_output_section): Don't crash if
7949         the first section is a TLS section.
7950         (Output_segment::set_section_list_addresses): Print an error
7951         message if the address moves backward in a linker script.
7952         * script-sections.cc
7953         (Output_section_element_input::set_section_addresses): Don't
7954         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7955         (Orphan_output_section::set_section_addresses): Likewise.
7956
7957 2009-10-15  Doug Kwan  <dougkwan@google.com>
7958
7959         * layout.cc (Layout::finish_dynamic_section): Generate tags
7960         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7961         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7962         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7963
7964 2009-10-14  Ian Lance Taylor  <iant@google.com>
7965
7966         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7967         fields.
7968         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7969         data_shdr fields of relinfo.
7970         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7971         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7972         R_386_TLS_LDO_32, adjust based on section flags.
7973         (Target_i386::Relocate::fix_up_ldo): Remove.
7974
7975 2009-10-13  Ian Lance Taylor  <iant@google.com>
7976
7977         Add support for -pie.
7978         * options.h (class General_options): Add -pie and
7979         --pic-executable.
7980         (General_options::output_is_position_independent): Test -pie.
7981         (General_options::output_is_executable): Return true if not shared
7982         and not relocatable.
7983         (General_options::output_is_pie): Remove.
7984         * options.cc (General_options::finalize): Reject incompatible uses
7985         of -pie.
7986         * gold.cc (queue_middle_tasks): A -pie link is not static.
7987         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7988         * symtab.cc (Symbol::final_value_is_known): Return false if
7989         output_is_position_independent.
7990         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7991         output_is_position_independent.
7992         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7993         output_is_position_independent.
7994         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7995         output_is_position_independent.
7996         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7997         two_file_pie_test.
7998         (basic_pie_test.o, basic_pie_test): New targets.
7999         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
8000         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
8001         (two_file_pie_test): New target.
8002         * testsuite/Makefile.in: Rebuild.
8003         * README: Remove note saying that -pie is not supported.
8004
8005 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8006
8007         * options.h (class General_options): Add -init and -fini.
8008         * layout.cc (Layout::finish_dynamic_section): Emit
8009         given init and fini functions.
8010
8011 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8012
8013         * gc.h (gc_process_relocs): Check if icf is enabled using new
8014         function.
8015         * gold.cc (queue_initial_tasks): Likewise.
8016         (queue_middle_tasks): Likewise.
8017         * object.cc (do_layout): Likewise.
8018         * symtab.cc (is_section_folded): Likewise.
8019         * main.cc (main): Likewise.
8020         * reloc.cc (Read_relocs::run): Likewise.
8021         (Sized_relobj::do_scan_relocs): Likewise.
8022         * icf.cc (is_function_ctor_or_dtor): New function.
8023         (Icf::find_identical_sections): Check if function is ctor or dtor when
8024         safe icf is chosen.
8025         * options.h (General_options::icf): Change option to be an enum.
8026         (Icf_status): New enum.
8027         (icf_enabled): New method.
8028         (icf_safe_folding): New method.
8029         (set_icf_status): New method.
8030         (icf_status_): New variable.
8031         * (options.cc) (General_options::finalize): Set icf_status_.
8032         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8033         icf_test and icf_keep_unique_test to use the --icf enum flag.
8034         * testsuite/icf_safe_test.sh: New file.
8035         * testsuite/icf_safe_test.cc: New file.
8036
8037 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8038
8039         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8040         includes to gc.h and icf.h.
8041         * arm.cc: Include gc.h.
8042         * gold.cc: Likewise.
8043         * i386.cc: Likewise.
8044         * powerpc.cc: Likewise.
8045         * sparc.cc: Likewise.
8046         * x86_64.cc: Likewise.
8047         * gc.h: Include icf.h.
8048
8049 2009-10-11  Ian Lance Taylor  <iant@google.com>
8050
8051         * plugin.cc: Include "gold.h" before other header files.
8052
8053 2009-10-10  Chris Demetriou  <cgd@google.com>
8054
8055         * options.h (Input_file_argument::Input_file_type): New enum.
8056         (Input_file_argument::is_lib_): Replace with...
8057         (Input_file_argument::type_): New member.
8058         (Input_file_argument::Input_file_argument): Take Input_file_type
8059         'type' rather than boolean 'is_lib' as second argument.
8060         (Input_file_argument::is_lib): Use type_.
8061         (Input_file_argument::is_searched_file): New function.
8062         (Input_file_argument::may_need_search): Handle is_searched_file.
8063         * options.cc (General_options::parse_library): Support -l:filename.
8064         (General_options::parse_just_symbols): Update for Input_file_argument
8065         changes.
8066         (Command_line::process): Likewise.
8067         * archive.cc (Archive::get_file_and_offset): Likewise.
8068         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8069         * script.cc (read_script_file, script_add_file): Likewise.
8070         * fileread.cc (Input_file::Input_file): Likewise.
8071         (Input_file::will_search_for): Handle is_searched_file.
8072         (Input_file::open): Likewise.
8073         * readsyms.cc (Read_symbols::get_name): Likewise.
8074         * testsuite/Makefile.am (searched_file_test): New test.
8075         * testsuite/Makefile.in: Regenerate.
8076         * testsuite/searched_file_test.cc: New file.
8077         * testsuite/searched_file_test_lib.cc: New file.
8078
8079 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8080             Ian Lance Taylor  <iant@google.com>
8081
8082         * descriptor.cc: Include <cstdio> and "binary-io.h".
8083         (Descriptors::open): Open the files in binary mode always.
8084         * script.cc (Lex::get_token): Treat \r as whitespace.
8085
8086 2009-10-09  Ian Lance Taylor  <iant@google.com>
8087
8088         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8089
8090 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8091             Ian Lance Taylor  <iant@google.com>
8092
8093         * configure.ac: Check for readv function also.
8094         * fileread.cc (readv): Define if not HAVE_READV.
8095         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8096         does not exist.
8097         * config.in: Regenerate.
8098         * configure: Regenerate.
8099
8100 2009-10-09  Doug Kwan  <dougkwan@google.com>
8101
8102         * layout.cc (Layout::make_output_section): Call target hook to make
8103         ordinary output section.
8104         (Layout::finalize): Adjust parameter list of call the
8105         Target::may_relax().
8106         * layout.h (class Layout::section_list): New method.
8107         * merge.h (Output_merge_base::entsize): Change visibility to public.
8108         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8109         New methods.
8110         (Output_merge_string::do_is_string): New method.
8111         * object.cc (Sized_relobj::do_setup): renamed from
8112         Sized_relobj::set_up.
8113         * object.h (Sized_relobj::adjust_shndx,
8114         Sized_relobj::initializ_input_to_output_maps,
8115         Sized_relobj::free_input_to_output_maps): Change visibilities to
8116         protected.
8117         (Sized_relobj::setup): Virtualize.
8118         (Sized_relobj::do_setup): New method declaration.
8119         (Sized_relobj::invalidate_section_offset,
8120         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8121         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8122         * options.cc (parse_int): New function.
8123         * options.h (parse_int): New declaration.
8124         (DEFINE_int): New macro.
8125         (stub_group_size): New option.
8126         * output.cc (Output_section::Output_section): Initialize memebers
8127         merge_section_map_, merge_section_by_properties_map_,
8128         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8129         (Output_section::add_input_section): Handled deferred code-fill
8130         generation and remove an old comment.
8131         (Output_section::add_relaxed_input_section): New method definition.
8132         (Output_section::add_merge_input_section): Use merge section by
8133         properties map to speed to search.  Update merge section maps
8134         as appropriate.
8135         (Output_section::build_relaxation_map): New method definition.
8136         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8137         Same.
8138         (Output_section::relax_input_section): Renamed to
8139         Output_section::convert_input_sections_to_relaxed_sections and change
8140         interface to take a vector of pointers to relaxed sections.
8141         (Output_section::find_merge_section,
8142         Output_section::find_relaxed_input_section): New method definitions.
8143         (Output_section::is_input_address_mapped,
8144         Output_section::output_offset, Output_section::output_address):
8145         Use output section data maps to speed up searching.
8146         (Output_section::find_starting_output_address): Add comments.
8147         (Output_section::do_write,
8148         Output_section::write_to_postprocessing_buffer): Do code-fill
8149         generation as appropriate.
8150         (Output_section::get_input_sections): Invalidate relaxed input section
8151         map.
8152         (Output_section::restore_states): Adjust type of checkpoint .
8153         Invalidate relaxed input section map.
8154         * output.h (Output_merge_base): New class declaration.
8155         (Input_section_specifier): New class defintion.
8156         (class Output_relaxed_input_section) Change base class to
8157         Output_section_data_build.
8158         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8159         base class initializer.
8160         (Output_section::add_relaxed_input_section): New method declaration.
8161         (Output_section::Input_section): Change visibility to protected.
8162         (Output_section::Input_section::relobj,
8163         Output_section::Input_section::shndx): Handle relaxed input sections.
8164         Output_section::input_sections) Change visibility to protected.  Also
8165         define overload to return a non-const pointer.
8166         (Output_section::Merge_section_properties): New class defintion.
8167         (Output_section::Merge_section_by_properties_map,
8168         Output_section::Output_section_data_by_input_section_map,
8169         Output_section::Relaxation_map): New types.
8170         (Output_section::relax_input_section): Rename method to
8171         Output_section::convert_input_sections_to_relaxed_sections and change
8172         interface to take a vector of relaxed section pointers.
8173         (Output_section::find_merge_section,
8174         Output_section::find_relaxed_input_section,
8175         Output_section::build_relaxation_map,
8176         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8177         New method declarations.
8178         (Output_section::merge_section_map_
8179         Output_section::merge_section_by_properties_map_,
8180         Output_section::relaxed_input_section_map_,
8181         Output_section::is_relaxed_input_section_map_valid_,
8182         Output_section::generate_code_fills_at_write_): New data members.
8183         * script-sections.cc
8184         (Output_section_element_input::set_section_addresses): Call
8185         current_data_size and addralign methods of relaxed input sections.
8186         (Orphan_output_section::set_section_addresses): Call current_data_size
8187         and addralign methods of relaxed input sections.
8188         * symtab.cc (Symbol_table::compute_final_value): Extract template
8189         from the body of Symbol_table::sized_finalize_symbol.
8190         (Symbol_table::sized_finalized_symbol): Call
8191         Symbol_table::compute_final_value.
8192         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8193         (Symbol_table::compute_final_value): New templated method declaration.
8194         * target.cc (Target::do_make_output_section): New method defintion.
8195         * target.h (Target::make_output_section): New method declaration.
8196         (Target::relax): Add more parameters for input objects, symbol table
8197         and layout.  Adjust call to do_relax.
8198         (Target::do_make_output_section): New method declaration.
8199         (Target::do_relax): Add parameters for input objects, symbol table
8200         and layout.
8201
8202 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8203
8204         * pread.c: Include stdio.h.
8205
8206 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8207
8208         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8209         defined.
8210
8211 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8212
8213         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8214         Change read_shndx type to unsigned int.
8215         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8216         int.
8217         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8218         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8219         Change read_shndx type to unsigned int.
8220         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8221         int.
8222         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8223         * layout.cc (Layout::create_symtab_sections): Cast the result of
8224         local_symcount * symsize to off_t in the gold_assert.
8225
8226 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8227
8228         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8229         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8230         R_ARM_BASE_ABS.
8231         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8232         (Arm_relocate_functions::thm_abs5): New function.
8233         (Arm_relocate_functions::abs12): New function.
8234         (Arm_relocate_functions::abs16): New function.
8235         (Arm_relocate_functions::base_abs): New function.
8236         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8237         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8238         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8239         R_ARM_BASE_ABS.
8240         (Scan::global): Likewise.
8241         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8242         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8243         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8244         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8245         R_ARM_BASE_ABS.
8246
8247 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8248
8249         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8250         (Arm_relocate_functions::movt_prel): New function.
8251         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8252         (Arm_relocate_functions::thm_movt_prel): New function.
8253         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8254         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8255         (Scan::global, Relocate::relocate): Likewise.
8256         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8257
8258 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8259
8260         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8261         Incremental_checker.
8262         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8263         unsigned int.
8264         (class Incremental_inputs_header): New class.
8265         (Incremental_inputs_header_writer): Edit comment.
8266         (Incremental_inputs_entry): New class.
8267         (Incremental_inputs_entry_writer): Edit comment.
8268         (Sized_incremental_binary::do_find_incremental_inputs_section):
8269         Add *strtab_shndx parameter, fill it.
8270         (Sized_incremental_binary::do_check_inputs): New method.
8271         (Incremental_checker::can_incrementally_link_output_file): Use
8272         Sized_incremental_binary::check_inputs.
8273         (Incremental_inputs::report_command_line): Save command line in
8274         command_line_.
8275         * incremental.h:
8276         (Incremental_binary::find_incremental_inputs_section): New
8277         method.
8278         (Incremental_binary::do_find_incremental_inputs_section): Add
8279         strtab_shndx parameter.
8280         (Incremental_binary::do_check_inputs): New pure virtual method.
8281         (Sized_incremental_binary::do_check_inputs): Declare.
8282         (Incremental_checker::Incremental_checker): Add incremental_inputs
8283         parameter, use it to initialize incremental_inputs_.
8284         (Incremental_checker::incremental_inputs_): New field.
8285         (Incremental_checker::command_line): New method.
8286         (Incremental_checker::inputs): New method.
8287         (Incremental_checker::command_line_): New field.
8288
8289 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8290
8291         * incremental.cc: Include <cstdarg> and "target-select.h".
8292         (vexplain_no_incremental): New function.
8293         (explain_no_incremental): New function.
8294         (Incremental_binary::error): New method.
8295         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8296         method.
8297         (make_sized_incremental_binary): New function.
8298         (open_incremental_binary): New function.
8299         (can_incrementally_link_file): Add checks if output is ELF and has
8300         inputs section.
8301         * incremental.h: Include "elfcpp_file.h" and "output.h".
8302         (Incremental_binary): New class.
8303         (Sized_incremental_binary): New class.
8304         (open_incremental_binary): Declare.
8305         * object.cc (is_elf_object): Use
8306         elfcpp::Elf_recognizer::is_elf_file.
8307         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8308         * output.h (Output_file::filesize): New method.
8309
8310 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8311
8312         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8313         New function.
8314         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8315         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8316         function.
8317         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8318         function.
8319         (Arm_relocate_functions::movw_abs_nc): New function.
8320         (Arm_relocate_functions::movt_abs): New function.
8321         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8322         (Arm_relocate_functions::thm_movt_abs): New function.
8323         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8324         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8325         (Scan::global): Likewise.
8326         (Relocate::relocate): Likewise.
8327         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8328
8329 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8330
8331         * arm.cc (Arm_relocate_functions::got_prel) New function.
8332         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8333         (Relocate::relocate): Likewise.
8334         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8335
8336 2009-10-06  Ian Lance Taylor  <iant@google.com>
8337
8338         * options.h (class General_options): Define
8339         split_stack_adjust_size parameter.
8340         * object.h (class Object): Add uses_split_stack_ and
8341         has_no_split_stack_ fields.  Add uses_split_stack and
8342         has_no_split_stack accessor functions.  Declare
8343         handle_split_stack_section.
8344         (class Reloc_symbol_changes): Define.
8345         (class Sized_relobj): Define Function_offsets.  Declare
8346         split_stack_adjust, split_stack_adjust_reltype, and
8347         find_functions.
8348         * object.cc (Object::handle_split_stack_section): New function.
8349         (Sized_relobj::do_layout): Call handle_split_stack_section.
8350         * dynobj.cc (Sized_dynobj::do_layout): Call
8351         handle_split_stack_section.
8352         * reloc.cc (Sized_relobj::relocate_sections): Call
8353         split_stack_adjust for executable sections in split_stack
8354         objects.  Pass reloc_map to relocate_section.
8355         (Sized_relobj::split_stack_adjust): New function.
8356         (Sized_relobj::split_stack_adjust_reltype): New function.
8357         (Sized_relobj::find_functions): New function.
8358         * target-reloc.h: Include "object.h".
8359         (relocate_section): Add reloc_symbol_changes parameter.  Change
8360         all callers.
8361         * target.h (class Target): Add calls_non_split method.  Declare
8362         do_calls_non_split virtual method.  Declare match_view and
8363         set_view_to_nop.
8364         * target.cc: Include "elfcpp.h".
8365         (Target::do_calls_non_split): New function.
8366         (Target::match_view): New function.
8367         (Target::set_view_to_nop): New function.
8368         * gold.cc (queue_middle_tasks): Give an error if mixing
8369         split-stack and non-split-stack objects with -r.
8370         * i386.cc (Target_i386::relocate_section): Add
8371         reloc_symbol_changes parameter.
8372         (Target_i386::do_calls_non_split): New function.
8373         * x86_64.cc (Target_x86_64::relocate_section): Add
8374         reloc_symbol_changes parameter.
8375         (Target_x86_64::do_calls_non_split): New function.
8376         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8377         parameter.
8378         * powerpc.cc (Target_powerpc::relocate_section): Add
8379         reloc_symbol_changes parameter.
8380         * sparc.cc (Target_sparc::relocate_section): Add
8381         reloc_symbol_changes parameter.
8382         * configure.ac: Call AM_CONDITIONAL for the default target.
8383         * configure: Rebuild.
8384         * testsuite/Makefile.am (TEST_AS): New variable.
8385         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8386         (check_DATA): Add split_i386 and split_x86_64 files.
8387         (SPLIT_DEFSYMS): Define.
8388         (split_i386_[1234n].o): New targets.
8389         (split_i386_[124]): New targets.
8390         (split_i386_[1234r].stdout): New targets.
8391         (split_x86_64_[1234n].o): New targets.
8392         (split_x86_64_[124]): New targets.
8393         (split_x86_64_[1234r].stdout): New targets.
8394         (MOSTLYCLEANFILES): Add new executables.
8395         * testsuite/split_i386.sh: New file.
8396         * testsuite/split_x86_64.sh: New file.
8397         * testsuite/split_i386_1.s: New file.
8398         * testsuite/split_i386_2.s: New file.
8399         * testsuite/split_i386_3.s: New file.
8400         * testsuite/split_i386_4.s: New file.
8401         * testsuite/split_i386_n.s: New file.
8402         * testsuite/split_x86_64_1.s: New file.
8403         * testsuite/split_x86_64_2.s: New file.
8404         * testsuite/split_x86_64_3.s: New file.
8405         * testsuite/split_x86_64_4.s: New file.
8406         * testsuite/split_x86_64_n.s: New file.
8407         * testsuite/testfile.cc (Target_test): Update relocation_section
8408         function.
8409         * testsuite/Makefile.in: Rebuild.
8410
8411 2009-10-06  Ian Lance Taylor  <iant@google.com>
8412
8413         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8414         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8415         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8416         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8417         the address on ldo_addrs_.
8418         (Target_i386::Relocate::fix_up_ldo): New function.
8419
8420 2009-10-06   Rafael Espindola  <espindola@google.com>
8421
8422         * plugin.cc (add_input_library): New.
8423         (Plugin::load): Add add_input_library to tv.
8424         (Plugin_manager::add_input_file): Add the is_lib argument.
8425         (add_input_file): Update call to Plugin_manager::add_input_file.
8426         (add_input_library): New.
8427         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8428
8429 2009-09-30  Doug Kwan  <dougkwan@google.com>
8430
8431         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8432         symbol and call Symbol::may_need_copy_reloc to determine if
8433         a copy reloc is needed.
8434         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8435         nocopyreloc is given in command line.
8436         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8437         given in command line.
8438         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8439         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8440         of the removed Target_i386::may_need_copy_reloc.
8441         * options.h (copyreloc): New option with default value false.
8442         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8443         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8444         instead of the removed Target_powerpc::may_need_copy_reloc.
8445         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8446         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8447         instead of the removed Target_sparc::may_need_copy_reloc.
8448         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8449         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8450         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8451         instead of the removed Target_x86_64::may_need_copy_reloc.
8452
8453 2009-09-30  Ian Lance Taylor  <iant@google.com>
8454
8455         * object.h (class Object): Remove target_ field, and target,
8456         sized_target, and set_target methods.
8457         (Object::sized_target): Remove.
8458         (class Sized_relobj): Update declarations.  Remove sized_target.
8459         * object.cc (Sized_relobj::setup): Remove target parameter.
8460         Change all callers.
8461         (Input_objects::add_object): Don't do anything with the target.
8462         (make_elf_sized_object): Add punconfigured parameter.  Change all
8463         callers.  Set or test parameter target.
8464         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8465         Change all callers.
8466         * parameters.cc (Parameters::set_target): Change parameter type to
8467         be non-const.
8468         (Parameters::default_target): Remove.
8469         (set_parameters_target): Change parameter type to be non-const.
8470         (parameters_force_valid_target): New function.
8471         (parameters_clear_target): New function.
8472         * parameters.h (class Parameters): Update declarations.  Remove
8473         default_target method.  Add sized_target and clear_target
8474         methods.  Change target_ to be non-const.
8475         (set_parameters_target): Update declaration.
8476         (parameters_force_valid_target): Declare.
8477         (parameters_clear_target): Declare.
8478         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8479         as NULL if we aren't searching.
8480         (Add_symbols::run): Don't check for compatible target.
8481         * fileread.cc (Input_file::open_binary): Call
8482         parameters_force_valid_target.
8483         * gold.cc (queue_middle_tasks): Likewise.
8484         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8485         set_target on object.
8486         * dynobj.h (class Sized_dynobj): Update declarations.
8487         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8488         make_elf_object returns NULL.
8489         (Archive::include_member): Don't check whether object target is
8490         compatible.
8491         * output.cc (Output_section::add_input_section): Get target from
8492         parameters.
8493         (Output_section::relax_input_section): Likewise.
8494         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8495         parameters.
8496         (Sized_relobj::do_scan_relocs): Likewise.
8497         (Sized_relobj::relocate_sections): Likewise.
8498         * resolve.cc (Symbol_table::resolve): Likewise.
8499         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8500         parameter.  Change all callers.
8501         (Symbol_table::add_from_object): Get target from parameters.
8502         (Symbol_table::add_from_relobj): Don't check object target.
8503         (Symbol_table::add_from_dynobj): Likewise.
8504         (Symbol_table::define_special_symbol): Get target from
8505         parameters.
8506         * symtab.h (class Symbol_table): Update declaration.
8507         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8508         parameter.  Change all callers.  Clear parameter target.
8509         (Binary_test): Test target here.
8510         * testsuite/object_unittest.cc (gold_testsuite): Remove
8511         target_test_pointer parameter.  Change all callers.
8512         (Object_test): Test target here.
8513
8514 2009-09-26  Ian Lance Taylor  <iant@google.com>
8515
8516         * testsuite/initpri1.c: Don't try to use constructor priorities if
8517         compiling with gcc before 4.3.
8518
8519 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8520
8521         * testsuite/retain_symbols_file_test.sh (check_present): Change
8522         output file name to retain_symbols_file_test.stdout.
8523         (check_absent): Likewise.
8524
8525 2009-09-18  Craig Silverstein  <csilvers@google.com>
8526
8527         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8528         * options.cc: Include <cerrno> and <fstream>.
8529         (General_options::finalize): Parse -retain-symbols-file tag.
8530         * options.h: New flag.
8531         (General_options): New method should_retain_symbol, new
8532         variable symbols_to_retain.
8533         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8534         should_retain_symbol map.
8535         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8536         * testsuite/Makefile.in: Regenerate.
8537         * testsuite/retain_symbols_file_test.sh: New file.
8538
8539 2009-09-18  Nick Clifton  <nickc@redhat.com>
8540
8541         * po/es.po: Updated Spanish translation.
8542
8543 2009-09-17  Doug Kwan  <dougkwan@google.com>
8544
8545         * debug.h (DEBUG_RELAXATION): New constant.
8546         (DEBUG_ALL): Add DEBUG_RELAXATION.
8547         (debug_string_to_enum): Add relaxation debug option.
8548         * layout.cc
8549         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8550         Layout::Relaxation_debug_check::read_sections,
8551         Layout::Relaxation_debug_check::read_sections): New method definitions.
8552         (Layout::Layout): Initialize data members
8553         record_output_section_data_from_scrips_,
8554         script_output_section_data_list_ and relaxation_debug_check_.
8555         (Layout::save_segments, Layout::restore_segments,
8556         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8557         Layout::relaxation_loop_body): New method definitions.
8558         (Layout::finalize): Support relaxation.  Move section layout code to
8559         Layout::relaxation_loop_body.
8560         (Layout::set_asection_address_from_script): Move code for orphan
8561         section placement out.
8562         (Layout::place_orphan_sections_in_script): New method definition.
8563         * layout.h (Output_segment_headers, Output_file_header):
8564         New forward class declarations.
8565         (Layout::~Layout): Define.
8566         (Layout::new_output_section_data_from_script): New method definition.
8567         (Layout::place_orphan_sections_in_script): New method declaration.
8568         (Layout::Segment_states): New type declaration.
8569         (Layout::save_segments, Layout::restore_segments,
8570         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8571         Layout::relaxation_loop_body): New method declarations.
8572         (Layout::Output_section_data_list): New type declaration.
8573         (Layout::Relaxation_debug_check): New class definition.
8574         (Layout::record_output_section_data_from_script_,
8575         Layout::script_output_section_data_list_, Layout::segment_states_,
8576         Layout::relaxation_debug_check_): New data members.
8577         * output.cc: (Output_section_headers::do_size): New method definition.
8578         (Output_section_headers::Output_section_headers): Move size
8579         computation to Output_section_headers::do_size.
8580         (Output_segment_headers::do_size): New method definition.
8581         (Output_file_header::Output_file_header): Move size computation to
8582         Output_file_header::do_size and call it.
8583         (Output_file_header::do_size): New method definition.
8584         (Output_data_group::Output_data_group): Adjust call to
8585         Output_section_data.
8586         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8587         (Output_symtab_xindex::do_write): Add array bound check.
8588         (Output_section::Input_section::print_to_mapfile): Handle
8589         RELAXED_INPUT_SECTION_CODE.
8590         (Output_section::Output_section): Initialize data member checkpoint_.
8591         (Output_section::~Output_section): Delete checkpoint object pointed
8592         by checkpoint_.
8593         (Output_section::add_input_section): Always add an Input_section if
8594         relaxing.
8595         (Output_section::add_merge_input_section): Add assert.
8596         (Output_section::relax_input_section): New method definition.
8597         (Output_section::set_final_data_size): Set load address to zero for
8598         an unallocated section.
8599         (Output_section::do_address_and_file_offset_have_reset_values):
8600         New method definition.
8601         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8602         Handle relaxed input section.
8603         (Output_section::sort_attached_input_sections): Checkpoint input
8604         section list lazily.
8605         (Output_section::get_input_sections): Change type of input_sections to
8606         list of Simple_input_section pointers.  Checkpoint input section list
8607         lazily.  Also handle relaxed input sections.
8608         (Output_section::add_input_section_for_script): Take a reference to
8609         a Simple_input_section object instead of Relobj pointer and section
8610         index as parameter.  Handle relaxed input sections.
8611         (Output_section::save_states, Output_section::restore_states): New
8612         method definitions.
8613         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8614         (Output_data::is_data_size_fixed): New method definition.
8615         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8616         if it is fixed.
8617         (Output_data::address_and_file_offset_have_reset_values): New method
8618         definition.
8619         (Output_data::do_address_and_file_offset_have_reset_values): New method
8620         definition.
8621         (Output_data::set_data_size): Check that data size is not fixed.
8622         (Output_data::fix_data_size): New method definition.
8623         (Output_data::is_data_size_fixed_): New data member.
8624         (Output_section_headers::set_final_data_size): New method definition.
8625         (Output_section_headers::do_size): New method declaration.
8626         (Output_segment_headers::set_final_data_size): New method definition.
8627         (Output_segment_headers::do_size): New method declaration.
8628         (Output_file_header::set_final_data_size)::New method definition.
8629         (Output_file_header::do_size)::New method declaration.
8630         (Output_section_data::Output_section_data): Add new parameter
8631         is_data_size_fixed and use it to fix data size.
8632         (Output_data_const::Output_data_const): Adjust call to base class
8633         constructor and fix data size.
8634         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8635         base class constructor and fix data size.
8636         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8637         base class constructor and fix data size.
8638         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8639         class constructor and fix data size.
8640         (Output_data_group::set_final_data_size): New method definition.
8641         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8642         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8643         class constructor and fix data size.
8644         (Output_relaxed_input_section): New class definition.
8645         (Output_section::Simple_input_section): New class definition.
8646         (Output_section::get_input_sections): Adjust parameter list.
8647         (Output_section::add_input_section_for_script): Same.
8648         (Output_section::save_states, Output_section::restore_states,
8649         Output_section::do_address_and_file_offset_have_reset_values,
8650         (Output_section::Input_section::Input_section): Handle
8651         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8652         Output_relaxed_input_section.
8653         (Output_section::Input_section::is_input_section,
8654         Output_section::Input_section::set_output_section): Handle relaxed
8655         input section.
8656         (Output_section::Input_section::is_relaxed_input_section,
8657         Output_section::Input_section::output_section_data,
8658         Output_section::Input_section::relaxed_input_section): New method
8659         definitions.
8660         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8661         value.
8662         (Output_section::Input_section::u1_): Update comments.
8663         (Output_section::Input_section::u2_): Add new union member poris.
8664         (Output_section::Checkpoint_output_section): New classs definition.
8665         (Output_section::relax_input_section): New method declaration.
8666         (Output_section::checkpoint_): New data member.
8667         (Output_segment): Update comments.
8668         (Output_segment::Output_segment): Un-privatize copy constructor.
8669         (Output_segment::operator=): Un-privatize.
8670         * script-sections.cc (Output_section_element::Input_section_list):
8671         Change element type to Output_section::Simple_input_section.
8672         (Output_section_element_dot_assignment::set_section_addresses):
8673         Register output section data for relaxation clean up.
8674         (Output_data_exression::Output_data_expression): Adjust call to base
8675         constructor to fix data size.
8676         (Output_section_element_data::set_section_addresses): Register
8677         Output_data_expression object for relaxation clean up.
8678         (struct Input_section_info): Replace Relobj pointer and section index
8679         pair with Output_section::Simple_input_section and Convert struct to a
8680         class.
8681         (Input_section_sorter::operator()): Adjust access to
8682         Input_section_info data member to use accessors.
8683         (Output_section_element_input::set_section_addresses): Use layout
8684         parameter.  Adjust code to use Output_section::Simple_input_section
8685         and Input_secction_info classes.  Register filler for relaxation
8686         clean up.
8687         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8688         and section index pair with Output_section::Simple_input_section
8689         class.  Adjust code accordingly.
8690         (Phdrs_element::release_segment): New method definition.
8691         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8692         segment list.
8693         (Script_sections::release_segments): New method definition.
8694         * gold/script-sections.h (Script_sections::release_segments): New
8695         method declaration.
8696         * gold/target.h (Target::may_relax, Target::relax,
8697         Target::do_may_relax, Target::do_relax): New method definitions.
8698
8699 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8700
8701         * arm.cc (has_signed_unsigned_overflow): New function.
8702         (Arm_relocate_functions::abs8): New function.
8703         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8704         (Target_arm::Scan::global): Likewise.
8705         (Target_arm::relocate::relocate): Likewise.
8706         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8707         Likewise.
8708
8709 2009-09-16  Cary Coutant  <ccoutant@google.com>
8710
8711         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8712         * testsuite/Makefile.in: Regenerate.
8713
8714 2009-09-11  Nick Clifton  <nickc@redhat.com>
8715
8716         * po/gold.pot: Updated by the Translation project.
8717
8718 2009-09-08  Cary Coutant  <ccoutant@google.com>
8719
8720         * output.cc (Output_file::open): Add execute permission to empty file.
8721         * testsuite/Makefile.am (permission_test): New test.
8722         * testsuite/Makefile.in: Regenerate.
8723
8724 2009-09-02  Ian Lance Taylor  <iant@google.com>
8725
8726         * output.cc (Output_file::resize): Call map_no_anonymous rather
8727         than map.
8728
8729 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8730
8731         * gold.cc: Include "incremental.h".
8732         (queue_initial_tasks): Call Incremental_checker methods.
8733         * incremental.cc: Include "output.h".
8734         (Incremental_checker::can_incrementally_link_output_file): New
8735         method.
8736         * incremental.h (Incremental_checker): New class.
8737
8738         * output.cc (Output_file::open_for_modification): New method.
8739         (Output_file::map_anonymous): Changed return type to bool.  Record
8740         map in base_ field.
8741         (Output_file::map_no_anonymous): New method, broken out of map.
8742         (Output_file::map): Use map_no_anonymous and map_anonymous.
8743         * output.h (class Output_file): Update declarations.
8744
8745 2009-08-24  Cary Coutant  <ccoutant@google.com>
8746
8747         * options.h (Command_line::Pre_options): New class.
8748         (Command_line::pre_options): New member.
8749         * options.cc (gold::options::ready_to_register): New variable.
8750         (One_option::register_option): Do nothing if not registering options.
8751         Assert if same short option registered twice.
8752         (General_options::General_options): Turn off option registration when
8753         done constructing.
8754         (Command_line::Pre_options::Pre_options): New constructor.
8755
8756 2009-08-24  Cary Coutant  <ccoutant@google.com>
8757
8758         * options.h (General_options::no_keep_memory): Remove incorrect
8759         short option.
8760
8761 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8762
8763         * Makefile.am (am__skiplex, am__skipyacc): New.
8764         * Makefile.in: Regenerate.
8765
8766 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8767
8768         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8769         (INCLUDES): ... this.
8770         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8771         (AM_CPPFLAGS): Renamed from ...
8772         (INCLUDE): ... this.
8773         * Makefile.in, testsuite/Makefile.in: Regenerate.
8774
8775         * Makefile.in: Regenerate.
8776         * aclocal.m4: Likewise.
8777         * config.in: Likewise.
8778         * configure: Likewise.
8779         * testsuite/Makefile.in: Likewise.
8780
8781         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8782         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8783         * Makefile.in: Regenerate.
8784         * testsuite/Makefile.in: Regenerate.
8785
8786 2009-08-19  Cary Coutant  <ccoutant@google.com>
8787
8788         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8789         symbols in shared libraries overridden by hidden or internal symbols
8790         in the main program.
8791
8792 2009-08-19  Chris Demetriou  <cgd@google.com>
8793
8794         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8795         checking source file names in error messages.
8796
8797 2009-08-18  Doug Kwan  <dougkwan@google.com>
8798
8799         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8800         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8801         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8802         an elfcpp::Ehdr as parameter.
8803         * object.cc (Object::set_target): Remove the version that looks up
8804         a target and sets it.
8805         (Sized_relobj::setup): Take a Target object instead of
8806         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8807         (make_elf_sized_object): Find target and ask target to
8808         make an ELF object.
8809         * object.h: (Object::set_target): Remove the version that looks up
8810         a target and sets it.
8811         (Sized_relobj::setup): Take a Target object instead of
8812         an elfcpp:Ehdr as parameter.
8813         * target.cc: Include dynobj.h.
8814         (Target::do_make_elf_object_implementation): New.
8815         (Target::do_make_elf_object): New.
8816         * target.h (Target::make_elf_object): New template declaration.
8817         (Target::do_make_elf_object): New method declarations.
8818         (Target::do_make_elf_object_implementation): New template declaration.
8819
8820 2009-08-14  Ian Lance Taylor  <iant@google.com>
8821
8822         * gold.h (FUNCTION_NAME): Define.
8823         (gold_unreachable): Use FUNCTION_NAME.
8824
8825 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8826
8827         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8828         symbol in the --keep-unique list is not found.
8829
8830 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8831
8832         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8833         been maked as --keep-unique.
8834         (Icf::unfold_section): New function.
8835         * icf.h (Icf::unfold_section): New function.
8836         * options.h (General_options::keep_unique): New option.
8837         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8838         * testsuite/Makefile.in: Regenerate.
8839         * testsuite/icf_keep_unique_test.sh: New file.
8840         * testsuite/icf_keep_unique_test.cc: New file.
8841
8842 2009-08-12  Cary Coutant  <ccoutant@google.com>
8843
8844         PR 10471
8845         * resolve.cc (Symbol_table::resolve): Check for references from
8846         dynamic objects to hidden and internal symbols.
8847         * testsuite/Makefile.am (hidden_test.sh): New test.
8848         * testsuite/Makefile.in: Regenerate.
8849         * testsuite/hidden_test.sh: New script.
8850         * testsuite/hidden_test_1.c: New test source.
8851         * testsuite/hidden_test_main.c: New test source.
8852
8853 2009-08-11  Doug Kwan  <dougkwan@google.com>
8854
8855         * arm.cc: Update comments.
8856         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8857         segment to locate the .ARM.exidx section if present.
8858
8859 2009-08-09  Doug Kwan  <dougkwan@google.com>
8860
8861         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8862         patch.
8863
8864 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8865         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8866         compiler warnings.
8867
8868 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8869
8870         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8871         valid tls_segment only for non-debug-section relocations.
8872         * testsuite/Makefile.am: Add gc_tls_test.
8873         * testsuite/Makefile.in: Regenerate.
8874         * testsuite/gc_tls_test.cc: New file.
8875         * testsuite/gc_tls_test.sh: New file.
8876
8877 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8878
8879         * icf.cc: New file.
8880         * icf.h: New file.
8881         * Makefile.am (CCFILES): Add icf.cc.
8882         (HFILES): Add icf.h
8883         * Makefile.in: Regenerate.
8884         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8885         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8886         section, symbol and addend information for the relocs.
8887         * gold.cc (queue_middle_tasks): Call identical code folding.
8888         * gold.h: Add defines for multimap.
8889         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8890         to the call of finalize_local_symbols.
8891         * main.cc (main): Create object of class Icf.
8892         * object.cc (Sized_relobj::do_layout): Allow this function to be
8893         called twice during icf.
8894         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8895         to sections marked as identical by icf.
8896         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8897         when available.
8898         (Sized_relobj::do_section_entsize): New function.
8899         * object.h (Object::section_entsize): New function.
8900         (Object::do_section_entsize): New pure virtual function.
8901         (Relobj::finalize_local_symbols): Add new parameter.
8902         (Relobj::do_section_entsize): New function.
8903         * options.h (General_options::icf): New option.
8904         (General_options::icf_iterations): New option.
8905         (General_options::print_icf_sections): New option.
8906         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8907         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8908         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8909         icf.
8910         * symtab.cc (Symbol_table::is_section_folded): New function.
8911         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8912         to sections marked as identical by icf.
8913         * symtab.h (Symbol_table::set_icf): New function.
8914         (Symbol_table::icf): New function.
8915         (Symbol_table::is_section_folded): New function.
8916         (Symbol_table::icf_): New data member.
8917         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8918         * testsuite/Makefile.am: Add commands to build icf_test.
8919         * testsuite/Makefile.in: Regenerate.
8920         * testsuite/icf_test.sh: New file.
8921         * testsuite/icf_test.cc: New file.
8922
8923 2009-07-24  Chris Demetriou  <cgd@google.com>
8924
8925         * layout.cc (is_compressible_debug_section): Fix incorrect
8926         comment about compressed section names.
8927
8928 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8929
8930         PR 10419
8931         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8932
8933 2009-07-16  Ian Lance Taylor  <iant@google.com>
8934
8935         PR 10400
8936         * layout.h: #include <map>.
8937         (class Kept_section): Change from struct to class.  Add accessors
8938         and setters.  Add section size to Comdat_group mapping.  Change
8939         Comdat_group to std::map.  Add is_comdat_ field.  Add
8940         linkonce_size field in union.
8941         (class Layout): Update declaration of find_or_add_kept_section.
8942         Don't declare find_kept_object.
8943         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8944         parameter.  Add object, shndx, is_comdat, and is_group_name
8945         parameters.  Change all callers.  Adjust for new Kept_section.
8946         (Layout::find_kept_object): Remove.
8947         * object.cc (Sized_relobj::include_section_group): Update use of
8948         Kept_section.  Rename secnum to shndx.  Only record
8949         Kept_comdat_section if sections are the same size.
8950         (Sized_relobj::include_linkonce_section): Update use of
8951         Kept_section.  Only record Kept_comdat_section if sections are the
8952         same size.  Set size of linkonce section.
8953         (Sized_relobj::map_to_kept_section): Update call to
8954         get_kept_comdat_section.
8955         * object.h (class Sized_relobj): Rename fields in
8956         Kept_comdat_section to drop trailing underscores; change object
8957         field to Relobj*.  Change Kept_comdat_section_table to store
8958         struct rather than pointer.
8959         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8960         Add kept_object and kept_shndx parameters.  Change all callers.
8961         (Sized_relobj::get_kept_comdat_section): Change return type to
8962         bool.  Add kept_object and kept_shndx parameters.  Change all
8963         callers.
8964         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8965         Layout::find_or_add_kept_section.
8966
8967 2009-07-09  Ian Lance Taylor  <iant@google.com>
8968
8969         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8970         Reserve space in the hash table.
8971
8972 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8973
8974         * fileread.cc (File_read::get_mtime): New method.
8975         * fileread.h (Timespec): New structure.
8976         (File_read::get_mtime): New method.
8977         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8978         Renamed from timestamp_nsec.
8979         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8980         Elf_Xword.
8981         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8982         timestamp_nsec.
8983         (Incremental_inputs::report_archive): Save mtime; style fix.
8984         (Incremental_inputs::report_obejct): Save mtime; style fix.
8985         (Incremental_inputs::report_script): Save mtime; style fix.
8986         (Incremental_inputs::finalize_inputs): Style fix.
8987         (Incremental_inputs::finalize): Style fix.
8988         (Incremental_inputs::create_input_section_data): Store inputs
8989         mtime.
8990         * incremental.h (Incremental_inputs::report_script): Add mtime
8991         argument.
8992         (Incremental_inputs::Input_info::Input_info): Intialize only one
8993         union member.
8994         (Incremental_inputs::Input_info::archive): Move to nameless
8995         union.
8996         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8997         (Incremental_inputs::Input_info::script): Move to nameless union.
8998         (Incremental_inputs::mtime): New field.
8999         * script.cc (read_input_script): Pass file mtime to
9000         Incremental_input.
9001         * script.h (Script_info::inputs): Style fix.
9002
9003 2009-07-01  Ian Lance Taylor  <ian@airs.com>
9004
9005         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9006         instead of 32.
9007
9008 2009-06-24  Ian Lance Taylor  <iant@google.com>
9009
9010         PR 10156
9011         * layout.cc (Layout::choose_output_section): If we find an
9012         existing section, update the flags.
9013         (Layout::create_notes): New function, broken out of
9014         Layout::finalize.
9015         (Layout::finalize): Don't create note sections.
9016         (Layout::create_note): Don't crash if linker script discards
9017         section.
9018         (Layout::create_gold_note): Likewise.
9019         (Layout::create_build_id): Likewise.  Don't set
9020         after_input_sections on the section.
9021         (Layout::create_executable_stack_info): Remove target parameter.
9022         Change caller.
9023         * layout.h (class Layout): Declare create_notes.  Update
9024         declaration of create_executable_stack_info.
9025         * gold.cc (queue_middle_tasks): Call create_notes.
9026         * output.cc (Output_section::update_flags_for_input_section): Move
9027         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9028         invalid.
9029         * output.h (Output_data::mark_address_invalid): New function.
9030         (class Output_section): Only declare, not define,
9031         update_flags_for_input_section.  Remove set_flags.
9032
9033 2009-06-24  Ian Lance Taylor  <iant@google.com>
9034
9035         * script-sections.cc (Output_section_definition::
9036         set_section_addresses): Rename shadowing local load_address to
9037         laddr.
9038
9039 2009-06-24  Ian Lance Taylor  <iant@google.com>
9040
9041         PR 10244
9042         * reloc.cc (relocate_sections): Skip empty relocation sections.
9043
9044 2009-06-23  Ian Lance Taylor  <iant@google.com>
9045
9046         PR 10156
9047         * layout.cc (Layout::create_note): Use choose_output_section
9048         rather than make_output_section.
9049
9050 2009-06-23  Ian Lance Taylor  <iant@google.com>
9051
9052         PR 10237
9053         * options.cc (General_options::parse_V): Set printed_version_.
9054         (General_options::General_options): Initialize printed_version_.
9055         * options.h (class General_options): Add printed_version_ field.
9056         * gold.cc (queue_initial_tasks): If there are no input files,
9057         don't give a fatal error if we printed the version information.
9058         (queue_middle_tasks): If using -r with a shared object, give a
9059         fatal error rather than an ordinary error.
9060
9061 2009-06-23  Ian Lance Taylor  <iant@google.com>
9062
9063         PR 10219
9064         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9065         (Layout::make_output_section): Set have_stabstr_section_ if we see
9066         a .stab*str section.
9067         (Layout::finalize): Call link_stabs_sections.
9068         (Layout::link_stabs_sections): New file.
9069         * layout.h (class Layout): Add have_stabstr_section_ field.
9070         Declare link_stabs_sections.
9071
9072 2009-06-23  Doug Kwan  <dougkwan@google.com>
9073
9074         * Makefile.am (libgold_a_LIBADD): New.
9075         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9076         * Makefile.in: Regenerate.
9077         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9078         * configure: Regenerate.
9079         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9080         * fileread.cc: Include sys/state.h
9081         * gold.h: Declare memmem and strndup if found missing.
9082         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9083
9084 2009-06-23  Ian Lance Taylor  <iant@google.com>
9085
9086         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9087         * configure: Rebuild.
9088
9089 2009-06-23  Ian Lance Taylor  <iant@google.com>
9090
9091         PR 10147
9092         * object.cc (Object::section_contents): Don't try to get a view if
9093         the section has length zero.
9094         (Object::handle_gnu_warning_section): If the section is empty, use
9095         the name of the section as the warning.
9096
9097 2009-06-23  Ian Lance Taylor  <iant@google.com>
9098
9099         PR 10133
9100         * stringpool.h (class Stringpool_template): Add optimize_ field.
9101         (Stringpool_template::set_optimize): New function.
9102         * stringpool.cc (Stringpool_template::Stringpool_template):
9103         Initialize optimize_ field.
9104         (Stringpool_template::set_string_offsets): Test local optimize
9105         fild rather than parameter.
9106         * layout.cc (Layout::Layout): Call set_optimize on the section
9107         name stringpool.
9108
9109 2009-06-22  Ian Lance Taylor  <iant@google.com>
9110
9111         PR 10030
9112         * yyscript.y: Parse TARGET.
9113         * script.cc (script_set_target): New function.
9114         * script-c.h (script_set_target): Declare.
9115         * options.cc (General_options::string_to_object_format): Rename
9116         from string_to_object_format in anonymous namespace.  Change
9117         callers.
9118         * options.h (class General_options): Declare
9119         string_to_object_format.
9120
9121 2009-06-22  Ian Lance Taylor  <iant@google.com>
9122
9123         * script-sections.cc (Script_sections::create_segments): Don't put
9124         program headers in a PT_LOAD segment if -n or -N.
9125
9126 2009-06-22  Ian Lance Taylor  <iant@google.com>
9127
9128         PR 10141
9129         * options.h (class General_options): Add -z lazy and -z now.  Sort
9130         -z options into alphabetical order.
9131         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9132
9133 2009-06-21  Ian Lance Taylor  <iant@google.com>
9134
9135         * layout.cc (Layout::make_output_section): Call
9136         Target::new_output_section.
9137         (Layout::attach_allocated_section_to_segment): Put large section
9138         sections in a separate load segment with the large segment flag
9139         set.
9140         (Layout::segment_precedes): Sort large data segments after other
9141         load segments.
9142         (align_file_offset): New static function.
9143         (Layout::set_segment_offsets): Use align_file_offset.
9144         * output.h (class Output_section): Add is_small_section_ and
9145         is_large_section_ fields.
9146         (Output_section::is_small_section): New function.
9147         (Output_section::set_is_small_section):  New function.
9148         (Output_section::is_large_section): New function.
9149         (Output_section::set_is_large_section): New function.
9150         (Output_section::is_large_data_section): New function.
9151         (class Output_segment): Add is_large_data_segment_ field.
9152         (Output_segment::is_large_data_segment): New function.
9153         (Output_segment::set_is_large_data_segment): New function.
9154         * output.cc (Output_section::Output_section): Initialize new
9155         fields.
9156         (Output_segment::Output_segment): Likewise.
9157         (Output_segment::add_output_section): Add assertion that large
9158         data sections always go in large data segments.  Force small data
9159         sections to the end of the list of data sections.  Force small BSS
9160         sections to the start of the list of BSS sections.  For large BSS
9161         sections to the end of the list of BSS sections.
9162         * symtab.h (class Symbol): Declare is_common_shndx.
9163         (Symbol::is_defined): Check Symbol::is_common_shndx.
9164         (Symbol::is_common): Likewise.
9165         (class Symbol_table): Define enum Commons_section_type.  Update
9166         declarations.  Add small_commons_ and large_commons_ fields.
9167         * symtab.cc (Symbol::is_common_shndx): New function.
9168         (Symbol_table::Symbol_table): Initialize new fields.
9169         (Symbol_table::add_from_object): Put small and large common
9170         symbols in the right list.
9171         (Symbol_table::sized_finalized_symbol): Check
9172         Symbol::is_common_shndx.
9173         (Symbol_table::sized_write_globals): Likewise.
9174         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9175         common symbol lists.  Don't call do_allocate_commons_list if the
9176         list is empty.
9177         (Symbol_table::do_allocate_commons_list): Remove is_tls
9178         parameter.  Add comons_section_type parameter.  Change all
9179         callers.  Handle small and large common symbols.
9180         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9181         Symbol::is_common_shndx.
9182         * resolve.cc (symbol_to_bits): Likewise.
9183         * target.h (Target::small_common_shndx): New function.
9184         (Target::small_common_section_flags): New function.
9185         (Target::large_common_shndx): New function.
9186         (Target::large_common_section_flags): New function.
9187         (Target::new_output_section): New function.
9188         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9189         small_common_section_flags, and large_common_section_flags
9190         fields.
9191         (Target::do_new_output_section): New virtual function.
9192         * arm.cc (Target_arm::arm_info): Initialize new fields.
9193         * i386.cc (Target_i386::i386_info): Likewise.
9194         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9195         Likewise.
9196         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9197         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9198         (Target_x86_64::do_new_output_section): New function.
9199         * configure.ac: Define conditional MCMODEL_MEDIUM.
9200         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9201         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9202         (large_LDFLAGS): Define.
9203         * testsuite/large.c: New file.
9204         * testsuite/testfile.cc (Target_test::test_target_info):
9205         Initialize new fields.
9206         * configure, testsuite/Makefile.in: Rebuild.
9207
9208 2009-06-05  Doug Kwan  <dougkwan@google.com>
9209
9210         * Makefile.am (CCFILES): Add target.cc.
9211         * Makefile.in: Regenerate.
9212         * i386.cc (class Target_i386): Define new virtual method to
9213         override do_is_local_label_name in parent.
9214         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9215         local symbols if --discard-locals or -X is given.
9216         * options.h (class General_options): Declare new options
9217         '--discard-locals' and '-X' for discarding locals.
9218         * target.h (class Target): Define new methods is_local_label_name.
9219         Declare new virtual method do_is_local_label_name.
9220         * target.cc: New file.
9221         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9222         (check_SCRIPTS): Add discard_locals_test.sh.
9223         (check_DATA): Add discard_local_tests.syms.
9224         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9225         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9226         * testsuite/Makefile.in: Regenerate.
9227         * testsuite/discard_locals_test.c: New file.
9228         * testsuite/discard_locals_test.sh: Same.
9229
9230 2009-06-05  Doug Kwan  <dougkwan@google.com>
9231
9232         * object.cc (Sized_relobj::Sized_relobj): Initialize
9233         discarded_eh_frame_shndx_ to -1U.
9234         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9235         section.
9236         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9237         a discarded .eh_frame section.
9238         (Sized_relobj::do_finalize_local_symbols): Ditto.
9239         * object.h (class Sized_relobj): Declare new member
9240         discarded_eh_frame_shndx_.
9241         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9242         (local_labels_test.o, local_labels_test): New rules.
9243         * testsuite/Makefile.in: Regenerate.
9244
9245 2009-06-04  Doug Kwan  <dougkwan@google.com>
9246
9247         * layout.cc (Layout::section_name_mapping): Add mapping for
9248         special ARM sections.
9249
9250 2009-06-03  Doug Kwan  <dougkwan@google.com>
9251
9252         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9253         (utils::has_overflow): Same.
9254
9255 2009-06-03  Ian Lance Taylor  <iant@google.com>
9256
9257         * layout.cc (Layout::section_name_mapping): New array, replacing
9258         Layout::linkonce_mapping.
9259         (Layout::section_name_mapping_count): New variable, replacing
9260         Layout::linkonce_mapping_count.
9261         (Layout::linkonce_output_name): Remove.
9262         (Layout::output_section_name): Rewrite.
9263         * layout.h (class Layout): Rename Linkonce_mapping to
9264         Section_name_mapping, linkonce_mapping to section_name_mapping,
9265         linkonce_mapping_count to section_name_mapping_count.  Don't
9266         declare linkonce_output_name.
9267
9268 2009-06-03  Doug Kwan  <dougkwan@google.com>
9269
9270         * gold/arm.cc (namespace utils): New.
9271         (Target_arm::reloc_is_non_pic): Define new method.
9272         (class Arm_relocate_functions): New.
9273         (Target_arm::Relocate::relocate): Handle relocation types used by
9274         Android.
9275
9276 2009-06-03  Ian Lance Taylor  <iant@google.com>
9277
9278         * arm.cc (Target_arm::scan::global): Use || instead of |.
9279
9280 2009-06-02  Doug Kwan  <dougkwan@google.com>
9281
9282         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9283         issued_non_pic_error_.
9284         (class Target_arm::Scan): Declare new method check_non_pic.
9285         Define new method symbol_needs_plt_entry.
9286         Declare new data member issued_non_pic_error_.
9287         (class Target_arm::Relocate): Declare new method
9288         should_apply_static_reloc.
9289         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9290         (Target_arm::Scan::check_non_pic): Define new method.
9291         (Target_arm::Scan::local): Handle a small subset of reloc types used
9292         by Android.
9293         (Target_arm::Scan::local): Same.
9294         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9295
9296 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9297
9298         * incremental.cc (Incremental_inputs::report_command_line): Filter
9299         out --incremental-* options.
9300
9301 2009-05-29  Doug Kwan  <dougkwan@google.com>
9302
9303         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9304         template class.
9305         (class Target_arm): Update comment.
9306         (Target_arm::Target_arm): Initialize new data members GOT_,
9307         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9308         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9309         and Target_arm::rel_dyn_section.
9310         Declare new_enum Target_arm::Got_type.
9311         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9312         and DYNBSS_.
9313         Update commments for member do_dynsym_value.
9314         (Target_arm::got_size, Target_arm::plt_section,
9315         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9316         new methods inside class defintion.
9317         (Target_arm::got_section): Define new method.
9318         (Target_arm::rel_dyn_section): Same.
9319         (Output_data_plt_arm): New template class.
9320         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9321         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9322         (Output_data_plt_arm::add_entry): Same.
9323         (Output_data_plt_arm::first_plt_entry): Define new
9324         static data member for PLT instruction template.
9325         (Output_data_plt_arm::plt_entry): Same.
9326         (Output_data_plt_arm::do_write): Define new method.
9327         (Target_arm::make_plt_entry): Same.
9328         (Target_arm::do_finalize_sections): Same.
9329         (Target_arm::do_dynsym_value): Same.
9330
9331 2009-05-28  Doug Kwan  <dougkwan@google.com>
9332
9333         * Makefile.am (TARGETSOURCES): Add arm.cc.
9334         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9335         * Makefile.in: Regenerate.
9336         * arm.cc: New file.
9337         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9338
9339 2009-05-26  Doug Kwan  <dougkwan@google.com>
9340
9341         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9342         (General_options::check_excluded_libs): Strip off directories in
9343         archive name before matching like GNU ld does.
9344         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9345         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9346         (exclude_libs_test_LDFLAGS): Add linker option
9347         -Wl,--exclude-libs,libexclude_libs_test_3
9348         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9349         an explicit archive without using -l.
9350         (alt/libexclude_libs_test_3.a): New make rule.
9351         * testsuite/Makefile.in: Regenerate.
9352         * testsuite/exclude_libs_test.c : Declare lib3_default().
9353         (main): Call it.
9354         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9355         * exclude_libs_test_3.c: New file.
9356
9357 2009-05-26  Nick Clifton  <nickc@redhat.com>
9358
9359         * po/id.po: New Indonesian translation.
9360         * po/gold.pot: Updated template file.
9361
9362 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9363
9364         * testsuite/Makefile.am: Add -ffunction-sections to compile
9365         gc_comdat_test files.  Add -Wl,--gc-sections to build
9366         gc_comdat_test.
9367         * testsuite/Makefile.in: Regenerate.
9368         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9369
9370 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9371
9372         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9373         kept comdat section was garbage collected.
9374         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9375         * testsuite/Makefile.in: Regenerate.
9376         * testsuite/gc_comdat_test.sh: New file.
9377         * testsuite/gc_comdat_test_1.cc: New file.
9378         * testsuite/gc_comdat_test_2.cc: New file.
9379
9380 2009-05-19  Doug Kwan  <dougkwan@google.com>
9381
9382         * archive.cc (Archive::Archive): Move constructor from archive.h
9383         to here.  Initialize no_export_.
9384         (Archive::get_elf_object_for_member): Set no_export flag of object.
9385         * archive.h (Archive::Archive): Move constructor body to
9386         archive.cc.
9387         (Archive::no_export): New method.
9388         (Archive::no_export_): New field.
9389         * object.h (Object::Object): Initialize no_export_ to false.
9390         (Object::no_export, Object::set_no_export): New methods.
9391         (Object::no_export_): New field.
9392         * options.cc (General_options::parse_exclude_libs): New method.
9393         (General_options::check_excluded_libs) Same.
9394         * options.h (exclude_libs): New option.
9395         (General_options::check_excluded_libs): New method declaration.
9396         (General_options::excluded_libs_): New field.
9397         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9398         default or protected visibility if an object has no-export flag set.
9399         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9400         (check_SCRIPTS): Add exclude_libs_test.sh.
9401         (check_DATA): Add exclude_libs_test.syms.
9402         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9403         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9404         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9405         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9406         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9407         libexclude_libs_test_2.a): New rules.
9408         * testsuite/Makefile.in: Regenerate.
9409         * testsuite/exclude_libs_test.c: New file.
9410         * testsuite/exclude_libs_test.sh: Ditto.
9411         * testsuite/exclude_libs_test_1.c: Ditto.
9412         * testsuite/exclude_libs_test_2.c: Ditto.
9413
9414 2009-05-15  Ian Lance Taylor  <iant@google.com>
9415
9416         * configure.ac: Check for declarations for cases where libiberty.h
9417         checks HAVE_DECL_xxx.
9418         * configure, config.in: Rebuild.
9419
9420 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9421
9422         * gold.h (Incremental_argument_list): Remove (invalid) forward
9423         declaration.
9424         * incremental.cc (Incremental_inputs::report_achive): New method.
9425         (Incremental_inputs::report_object): New method.
9426         (Incremental_inputs::report_script): New method.
9427         (Incremental_inputs::finalize_inputs): New method.
9428         (Incremental_inputs::finalize): Call finalize_inputs().
9429         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9430         Create inputs entries.
9431         * incremental.h (Incremental_input_type): New enum.
9432         (Incremental_inputs::Incremental_input): Initialize new fields.
9433         (Incremental_inputs::report_inputs): New method.
9434         (Incremental_inputs::report_achive): New method.
9435         (Incremental_inputs::report_object): New method.
9436         (Incremental_inputs::report_script): New method.
9437         (Incremental_inputs::finalize_inputs): New method.
9438         (Incremental_inputs::Input_info): New struct.
9439         (Incremental_inputs::Input_info_map): New typedef.
9440         (Incremental_inputs::lock_): New field.
9441         (Incremental_inputs::Inputs_): New field.
9442         (Incremental_inputs::Inputs_map): New field.
9443         * main.cc (main): Call Incremental_input::report_inputs.
9444         * options.h (Input_argument_list): Typedef moved from
9445         Input_arguments.
9446         (Input_file_group::Files): Remove, use ::Input_argument_list.
9447         (Input_file_group::Input_argument_list): Remove, use
9448         ::Input_argument_list.
9449         * plugin.cc (Plugin_manager::add_input_file): Add error in
9450         incremental build.
9451         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9452         functions.
9453         * script.cc (read_input_script): Call
9454         Incremental_input::report_script.
9455         * script.h (Script_info): New class.
9456
9457 2009-04-27  Ian Lance Taylor  <iant@google.com>
9458
9459         * x86_64.cc (do_adjust_output_section): Set entsize to
9460         plt_entry_size.
9461
9462 2009-04-23  Elliott Hughes  <enh@google.com>
9463
9464         * output.cc (Output_file::close): After short writes, continue
9465         writing from the correct offset in the buffer being written.
9466
9467 2009-04-23  Chris Demetriou  <cgd@google.com>
9468
9469         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9470         * configure: Regenerate.
9471         * config.in: Regenerate.
9472         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9473         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9474
9475 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9476
9477         * incremental.cc (Incremental_inputs_header_data): Renamed from
9478         Incremental_input_header_data.
9479         (Incremental_inputs_header_data::data_size): New field.
9480         (Incremental_inputs_header_data::put_input_file_count): Renamed
9481         from input_file_count.
9482         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9483         from command_line_offset.
9484         (Incremental_inputs_header_data::put_reserved): Renamed from
9485         put_reserved.
9486         (Incremental_inputs_entry_data): Renamed from
9487         Incremental_input_entry_data.
9488         (Incremental_inputs_entry_data::data_size): New field.
9489         (Incremental_inputs::report_command_line): New method.
9490         (Incremental_inputs::finalize): New method.
9491         (Incremental_inputs::create_incremental_inputs_data): New method.
9492         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9493         * incremental.h: New file.
9494         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9495        (Layout::finalize): Create incremental inputs section in
9496         incremental builds.
9497        (Layout::create_incremental_info_sections): New method.
9498         * layout.h (Layout::incremental_inputs): New method.
9499        (Layout::create_incremental_info_sections): New method.
9500        (Layout::incremental_inputs_): New field.
9501         * main.cc (main): Notify Incremental_input of the command line.
9502
9503 2009-04-01  Ian Lance Taylor  <iant@google.com>
9504             Mikolaj Zalewski  <mikolajz@google.com>
9505
9506         * gold.h (reserve_unordered_map): Define, three versions, one for
9507         each version of Unordered_map.
9508         * layout.cc (Layout::Layout): Remove options parameter.  Add
9509         number_of_input_files parameter.  Don't initialize options_.
9510         Initialize number_of_input_files_ and resized_signatures_.  Move
9511         sections_are_attached_.
9512         (Layout::layout_group): Reserve space for group_signatures_.
9513         (Layout::find_or_add_kept_section): Change name parameter to be a
9514         reference.  Resize signatures_ map when it gets large enough.
9515         (Layout::layout_eh_frame): Use parameters->options() instead of
9516         this->options_.
9517         (Layout::make_output_section): Likewise.
9518         (Layout::attach_allocated_section_to_segment): Likewise.
9519         (Layout::finalize, Layout::create_executable_stack): Likewise.
9520         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9521         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9522         * layout.h (class Layout): Update declarations.  Remove options_
9523         field.  Add number_of_input_files_ and resized_signatures_
9524         fields.  Move sections_are_attached_ field.
9525         * main.cc (main): Pass number of input files to Layout
9526         constructor.  Don't pass options.
9527
9528 2009-03-30  Ian Lance Taylor  <iant@google.com>
9529
9530         * ffsll.c (ffsll): Correct implementation.
9531
9532 2009-03-27  Ian Lance Taylor  <iant@google.com>
9533
9534         * ffsll.c: New file.
9535         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9536         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9537         * ftruncate.c (ftruncate): Declare before definition.
9538         * mremap.c (mremap): Likewise.
9539         * pread.c (pread): Likewise.
9540         * configure, Makefile.in, config.in: Rebuild.
9541
9542         * mremap.c: New file.
9543         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9544         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9545         (mremap): Declare if HAVE_MREMAP is not defined.
9546         * configure, Makefile.in, config.in: Rebuild.
9547
9548 2009-03-27  Cary Coutant  <ccoutant@google.com>
9549
9550         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9551         position independent.
9552         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9553         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9554
9555 2009-03-24  Cary Coutant  <ccoutant@google.com>
9556
9557         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9558         an executable.
9559         (needs_dynamic_reloc): Likewise.
9560
9561 2009-03-24  Ian Lance Taylor  <iant@google.com>
9562
9563         * yyscript.y (file_cmd): Recognize EXTERN.
9564         (extern_name_list, extern_name_list_body): New nonterminals.
9565         * script.cc (script_add_extern): Define.
9566         * script-c.h (script_add_extern): Declare.
9567
9568 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9569
9570         * object.cc (is_elf_object): Define.
9571         * object.h (is_elf_object): Declare.
9572         * archive.cc (Archive::get_elf_object_for_member): Call
9573         is_elf_object.
9574         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9575
9576 2009-03-24  Elliott Hughes  <enh@google.com>
9577
9578         * output.cc (Output_file::map_anonymous): Define.
9579         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9580         try an anonymous one.  Report the size if the mmap fails.
9581         * output.h (class Output_file): Declare map_anonymous.
9582
9583 2009-03-24  Ian Lance Taylor  <iant@google.com>
9584
9585         * target-select.cc (instantiate_target): Don't acquire the lock if
9586         the instantiated_target_ field has already been set.
9587
9588 2009-03-23  Ian Lance Taylor  <iant@google.com>
9589
9590         * gold-threads.h (class Initialize_lock): Define.
9591         * gold-threads.cc (class Initialize_lock_once): Define.
9592         (initialize_lock_control): New static variable.
9593         (initialize_lock_pointer): New static variable.
9594         (initialize_lock_once): New static function.
9595         (Initialize_lock::Initialize_lock): Define.
9596         (Initialize_lock::initialize): Define.
9597         * target-select.h: Include "gold-threads.h".
9598         (class Target_selector): Add lock_ and initialize_lock_ fields.
9599         Don't define instantiate_target, just declare it.
9600         * target-select.cc (Target_selector::Target_selector): Initialize
9601         new fields.
9602         (Target_selector::instantiate_target): Define.
9603         * descriptors.h: Include "gold-threads.h".
9604         (class Descriptors): Add initialize_lock_ field.
9605         * descriptors.cc (Descriptors::Descriptors): Initialize new
9606         field.
9607         (Descriptors::open): Use initialize_lock_ field
9608         * errors.h (class Errors): Add initialize_lock_ field.
9609         * errors.cc (Errors::Errors): Initialize new field.
9610         (Errors::initialize_lock): Use initialize_lock_ field.
9611         * powerpc.cc (class Target_selector_powerpc): Remove
9612         instantiated_target_ field.  In do_recognize call
9613         instantiate_target rather than do_instantiate_target.  In
9614         do_instantiate_target just allocate a new target.
9615         * sparc.cc (class Target_selector_sparc): Likewise.
9616
9617         * freebsd.h: New file.
9618         * i386.cc: Include "freebsd.h".
9619         (Target_i386): Derive from Target_freebsd rather than
9620         Sized_target.
9621         (Target_selector_i386): Derive from Target_selector_freebsd rather
9622         than Target_selector.
9623         * x86_64.cc: Include "freebsd.h".
9624         (Target_x86_64): Derive from Target_freebsd rather than
9625         Sized_target.
9626         (Target_selector_x86_64): Derive from Target_selector_freebsd
9627         rather than Target_selector.
9628         * target.h (class Target): Add adjust_elf_header and
9629         do_adjust_elf_header.
9630         * output.cc (Output_file_header:: do_sized_write): Call target
9631         adjust_elf_header routine.
9632         * configure.tgt: Set targ_osabi.
9633         * configure.ac: Define GOLD_DEFAULT_OSABI.
9634         * parameters.cc (Parameters::default_target): Pass
9635         GOLD_DEFAULT_OSABI to select_target.
9636         * target-select.h (class Target_selector): Make instantiate_target
9637         protected rather than private.
9638         * Makefile.am (HFILES): Add freebsd.h.
9639         * configure, Makefile.in, config.in: Rebuild.
9640
9641         * merge.cc (do_add_input_section): Correct pend value.  Change
9642         message about last entry not being null terminated from error to
9643         warning.
9644
9645 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9646
9647         * incremental.cc: New file.
9648         * Makefile.am (CCFILES): Add incremental.cc.
9649         * Makefile.in: Rebuild.
9650
9651 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9652
9653         * layout.cc (Layout::output_section_name): Preserve names
9654         of '.note.' sections.
9655
9656 2009-03-19  Ian Lance Taylor  <iant@google.com>
9657
9658         * descriptors.cc (Descriptors::open): Check that the options are
9659         valid before using them.
9660
9661 2009-03-18  Ian Lance Taylor  <iant@google.com>
9662
9663         * script-sections.h: Include <list>.
9664         (class Script_sections): Change Sections_elements from std::vector
9665         to std::list.  Typedef public Elements_iterator.  Add
9666         orphan_section_placement_, data_segment_align_start_, and
9667         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9668         field.
9669         * script-sections.cc (class Orphan_section_placement): New class.
9670         (class Sections_element): Add virtual functions is_relro and
9671         orphan_section_init.  Remove virtual function place_orphan_here.
9672         (class Output_section_definition): Add is_relro and
9673         orphan_section_init.  Remove place_orphan_here.
9674         (class Orphan_output_section): Likewise.
9675         (Script_sections::Script_sections): Update for field changes.
9676         (Script_sections::data_segment_align): Set saw_data_segment_align_
9677         and data_segment_align_start_, not data_segment_align_index.
9678         (Script_sections::data_segment_relro_end): Check
9679         saw_data_segment_align_.  Use data_segment_align_start_ rather
9680         than data_segment_align_index_.
9681         (Script_sections::place_orphan): Rewrite to use
9682         Orphan_section_placement.
9683
9684 2009-03-17  Ian Lance Taylor  <iant@google.com>
9685
9686         * archive.cc (Archive::add_symbols): Check for a version attached
9687         to the symbol name in the archive map.
9688         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9689         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9690         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9691         (ver_test_11.a): New target.
9692         * testsuite/Makefile.in: Rebuild.
9693
9694         * configure.ac: Check for chsize and posix_fallocate.  Replace
9695         ftruncate.
9696         * ftruncate.c: New file, from gnulib.
9697         * output.cc (posix_fallocate): Define dummy version if not
9698         HAVE_POSIX_FALLOCATE.
9699         (Output_file::map): Call posix_fallocate rather than lseek and
9700         write.
9701         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9702         * configure, Makefile.in, config.in: Rebuild.
9703
9704 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9705
9706         * layout.h (Layout::create_note): Add section_name parameter.
9707         * layout.cc (Layout::create_note): Likewise.
9708         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9709
9710 2009-03-17  Ian Lance Taylor  <iant@google.com>
9711
9712         * descriptors.cc: Include "options.h".
9713         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9714         (Descriptors::open): Always use O_CLOEXEC when opening a new
9715         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9716         then set FD_CLOEXEC.
9717
9718         * sparc.cc (class Target_sparc): Add has_got_section.
9719         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9720         make sure we have a GOT section.
9721
9722         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9723         (Target_sparc::Scan::local): Likewise.
9724         (Target_sparc::Scan::global): Likewise.
9725         (Target_sparc::Relocate::relocate): Likewise.
9726         (Target_sparc::Relocate::relocate_tls): Likewise.
9727
9728         * symtab.cc (Symbol_table::define_default_version): New function,
9729         broken out of add_from_object.
9730         (Symbol_table::add_from_object): Call define_default_version.
9731         (Symbol_table::define_special_symbol): Add resolve_oldsym
9732         parameter.  Change all callers.  If the version for a symbol comes
9733         from a version script, resolve it with the symbol with the same
9734         name with no version.  Also add the symbol without a version if
9735         appropriate.
9736         (do_define_in_output_data): If resolving with oldsym, don't delete
9737         sym.
9738         (do_define_in_output_segment): Likewise.
9739         (do_define_as_constant): Likewise.
9740         * symtab.h (class Symbol_table): Update declarations.
9741
9742 2009-03-13  Ian Lance Taylor  <iant@google.com>
9743
9744         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9745         (Read_symbols::requeue): New function.
9746         (Read_symbols::do_read_symbols): If make_elf_object fails because
9747         the target type is not configured, and the file was searched for,
9748         issue a warning and retry with the next directory.
9749         (Add_symbols::run): If the file has an incompatible format, and
9750         it was searched for, requeue the Read_symbols task.  On error,
9751         release the object.
9752         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9753         dirindex parameter to constructor.  Change all callers.  Declare
9754         incompatible_warning and requeue.
9755         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9756         input_argument_ and input_group_ fields.  Add them to
9757         constructor.  Change all callers.
9758         (class Read_script): Add dirindex_ field.  Add it to constructor.
9759         Change all callers.
9760         * archive.cc (Archive::setup): Remove input_objects parameter.
9761         Change all callers.
9762         (Archive::get_file_and_offset): Likewise.
9763         (Archive::read_all_symbols): Likewise.
9764         (Archive::read_symbols): Likewise.
9765         (Archive::get_elf_object_for_member): Remove input_objects
9766         parameter.  Add punconfigured parameter.  Change all callers.
9767         (Archive::add_symbols): Change return type to bool.  Check return
9768         value of include_member.
9769         (Archive::include_all_members): Likewise.
9770         (Archive::include_member): Change return type to bool.  Return
9771         false if first included object has incompatible target.  Set
9772         included_member_ field.
9773         (Add_archive_symbols::run): If add_symbols returns false, requeue
9774         Read_symbols task.
9775         * archive.h (class Archive): Add included_member_ field.
9776         Initialize it in constructor.  Add input_file and searched_for
9777         methods.  Update declarations.
9778         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9779         input_argument_ fields.  Add them to constructor.  Change all
9780         callers.
9781         * script.cc: Include "target-select.h".
9782         (class Parser_closure): Add skip_on_incompatible_target_ and
9783         found_incompatible_target_ fields.  Add
9784         skip_on_incompatible_target parameter to constructor.  Change all
9785         callers.  Add methods skip_on_incompatible_target,
9786         clear_skip_on_incompatible_target, found_incompatible_target, and
9787         set_found_incompatible_target.
9788         (read_input_script): Add dirindex parameter.  Change all callers.
9789         If parser finds an incompatible target, requeue Read_symbols
9790         task.
9791         (script_set_symbol): Clear skip_on_incompatible_target in
9792         closure.
9793         (script_add_assertion, script_parse_option): Likewise.
9794         (script_start_sections, script_add_phdr): Likewise.
9795         (script_check_output_format): New function.
9796         * script.h (read_input_script): Update declaration.
9797         * script-c.h (script_check_output_format): Declare.
9798         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9799         (ignore_cmd): Remove OUTPUT_FORMAT.
9800         * fileread.cc (Input_file::Input_file): Add explicit this.
9801         (Input_file::will_search_for): New function.
9802         (Input_file::open): Add pindex parameter.  Change all callers.
9803         * fileread.h (class Input_file): Add input_file_argument method.
9804         Declare will_search_for.  Update declarations.
9805         * object.cc (make_elf_object): Add punconfigured parameter.
9806         Change all callers.
9807         * object.h (class Object): Make input_file public.  Add
9808         searched_for method.
9809         (make_elf_object): Update declaration.
9810         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9811         restart search.
9812         * dirsearch.h (class Dirsearch): Update declaration.
9813         * options.h (class General_options): Add --warn-search-mismatch.
9814         * parameters.cc (Parameters::is_compatible_target): New function.
9815         * parameters.h (class Parameters): Declare is_compatible_target.
9816         * workqueue.cc (Workqueue::add_blocker): New function.
9817         * workqueue.h (class Workqueue): Declare add_blocker.
9818
9819         * fileread.cc (Input_file::open): Remove options parameter.
9820         Change all callers.
9821         (Input_file::open_binary): Likewise.
9822         * script.cc (read_input_script): Likewise.
9823         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9824         options parameter from constructor.  Change all callers.
9825         (class Read_script): Likewise.
9826         * fileread.h (class Input_file): Update declarations.
9827         * script.h (read_input_script): Update declaration.
9828
9829 2009-03-10  Nick Clifton  <nickc@redhat.com>
9830
9831         * po/es.po: New Spanish translation.
9832
9833 2009-03-06  Cary Coutant  <ccoutant@google.com>
9834
9835         * options.cc (parse_short_option): Keep dash_z from registering itself.
9836
9837 2009-03-03  Ian Lance Taylor  <iant@google.com>
9838
9839         PR 9918
9840         * target-reloc.h (relocate_section): Pass output_section to
9841         relocate.
9842         * i386.cc (Target_i386::should_apply_static_reloc): Add
9843         output_section parameter.  Change all callers.
9844         (Target_i386::Relocate::relocate): Add output_section parameter.
9845         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9846         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9847         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9848         * testsuite/two_file_shared.sh: New script.
9849         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9850         (check_DATA): Add two_file_shared.dbg.
9851         (two_file_shared.dbg): New target.
9852         * testsuite/Makefile.in: Rebuild.
9853
9854 2009-03-01  Ian Lance Taylor  <iant@google.com>
9855
9856         * configure.ac: Check for byteswap.h.
9857         * configure: Rebuild.
9858         * config.in: Rebuild.
9859
9860 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9861
9862         * layout.cc (Layout::find_or_add_kept_section): New function.
9863         (Layout::add_comdat): Removed.
9864         * layout.h (struct Kept_section): Move out of class Layout.
9865         Remove trailing underscores from field names.  Add group_sections
9866         field.  Rename group_ field to is_group.  Change all uses.
9867         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9868         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9869         comdat_groups_ field.
9870         (Sized_relobj::include_section_group): Use
9871         find_or_add_kept_section and Kept_section::group_sections.
9872         (Sized_relobj::include_linkonce_section): Likewise.
9873         * object.cc (class Sized_relobj): Don't define Comdat_group or
9874         Comdat_group_table.  Remove find_comdat_group and
9875         add_comdat_group.  Remove comdat_groups_ field.
9876         * plugin.cc (include_comdat_group): Use
9877         Layout::find_or_add_kept_section.
9878
9879 2009-02-28  Ian Lance Taylor  <iant@google.com>
9880
9881         * README: --gc-sections and map files are now supported.  Document
9882         some build requirements.
9883
9884         PR 6992
9885         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9886         relocatable link set the value of the section symbol to zero.
9887         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9888         relocatable link don't include the section address in the local
9889         symbol value.
9890
9891 2009-02-27  Ian Lance Taylor  <iant@google.com>
9892
9893         PR 6811
9894         * options.h (class Search_directory): Add is_system_directory.
9895         (class General_options): Declare is_in_system_directory.
9896         * options.cc (get_relative_sysroot): Make static.
9897         (get_default_sysroot): Make static.
9898         (General_optoins::is_in_system_directory): New function.
9899         * fileread.cc (Input_file::is_in_system_directory): New function.
9900         * fileread.h (class Input_file): Declare is_in_system_directory.
9901         * object.h (class Object): Add is_in_system_directory.
9902         (class Input_objects): Remove system_library_directory_ field.
9903         * object.cc (Input_objects::add_object): Don't set
9904         system_library_directory_.
9905         (input_objects::found_in_system_library_directory): Remove.
9906         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9907         parameter.  Change all callers.
9908         (Symbol_table::sized_write_globals): Likewise.
9909         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9910         Call Object::is_in_system_directory.
9911         * symtab.h (class Symbol_table): Update declarations.
9912
9913         PR 5990
9914         * descriptors.h (Open_descriptor): Add is_on_stack field.
9915         * descriptors.cc (Descriptors::open): If the descriptor is on the
9916         top of the stack, remove it.  Initialize is_on_stack field.
9917         (Descriptors::release): Only add pod to stack if it is not on the
9918         stack already.
9919         (Descriptors::close_some_descriptor): Clear stack_next and
9920         is_on_stack fields.
9921
9922         PR 7091
9923         * output.cc (Output_section::find_starting_output_address): Rename
9924         from starting_output_address; add PADDR parameter; change return
9925         type.
9926         * output.h (class Output_section): Declare
9927         find_starting_output_address instead of starting_output_address.
9928         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9929         section symbol for which we can't find a merge section.
9930
9931         PR 9836
9932         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9933         hidden or internal, force the symbol to be local.
9934         * resolve.cc (Symbol::override_visibility): Define.
9935         (Symbol::override_base): Use override_visibility.
9936         (Symbol_table::resolve): Likewise.
9937         (Symbol::override_base_with_special): Likewise.
9938         (Symbol_table::override_with_special): If the visibility is hidden
9939         or internal, force the symbol to be local.
9940         * symtab.h (class Symbol): Add set_visibility and
9941         override_visibility.
9942         * testsuite/ver_test_1.sh: New file.
9943         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9944         (check_DATA): Add ver_test_1.syms.
9945         (ver_test_1.syms): New target.
9946         * testsuite/Makefile.in: Rebuild.
9947
9948 2009-02-25  Cary Coutant  <ccoutant@google.com>
9949
9950         * layout.cc (Layout::choose_output_section): Don't rename sections
9951         when using a linker script that has a SECTIONS clause.
9952         * Makefile.in: Regenerate.
9953
9954         * testsuite/Makefile.am (script_test_5.sh): New test case.
9955         * testsuite/Makefile.in: Regenerate.
9956         * testsuite/script_test_5.cc: New file.
9957         * testsuite/script_test_5.sh: New file.
9958         * testsuite/script_test_5.t: New file.
9959
9960 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9961
9962         * archive.cc (Archive::include_member): Update calls to add_symbols.
9963         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9964         the Layout argument.
9965         * dynobj.h (do_add_symbols): Add the Layout argument.
9966         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9967         Layout argument.
9968         * object.h (Object::add_symbols): Add the Layout argument.
9969         (Object::do_add_symbols): Add the Layout argument.
9970         (Sized_relobj::do_add_symbols): Add the Layout argument.
9971         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9972         Unify the two versions.
9973         (Add_plugin_symbols): Remove.
9974         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9975         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9976         (Add_plugin_symbols): Remove.
9977         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9978         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9979         (Add_symbols::run): Make it work with Pulginobj.
9980
9981 2009-02-06  Ian Lance Taylor  <iant@google.com>
9982
9983         * object.cc (Sized_relobj::do_layout): Make info message start
9984         with lower case letter.
9985
9986 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9987
9988         * binary.cc: Fix file comment.
9989
9990         * options.h (enum Incremental_disposition): Define.
9991         (class General_options): Add new options: --incremental,
9992         --incremental_changed, --incremental_unchanged,
9993         --incremental_unknown.  Add incremental_disposition_ and
9994         implicit_incremental_ fields.
9995         (General_options::incremental_disposition): New function.
9996         (class Position_dependent_options): Add incremental_disposition
9997         option.
9998         (Position_dependent_options::copy_from_options): Set incremental
9999         dispositions.
10000         * options.cc (General_options::parse_incremental_changed): New
10001         function.
10002         (General_options::parse_incremental_unchanged): New function.
10003         (General_options::parse_incremental_unknown): New function.
10004         (General_options::General_options): Initialize new fields
10005         incremental_disposition_ and implicit_incremental_.
10006         (General_options::finalize): Check for uasge of --incremental-*
10007         without --incremental.
10008
10009 2009-02-06  Chris Demetriou  <cgd@google.com>
10010
10011         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10012         pointer and to report location as the file name associated with
10013         the symbol.
10014         (gold_undefined_symbol_at_location): New function to replace the
10015         old gold_undefined_symbol functionality.
10016         * target-reloc.h (relocate_section): Update to use
10017         gold_undefined_symbol_at_location.
10018         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10019         Call gold_undefined_symbol function rather than gold_error.
10020         * errors.h (Errors::undefined_symbol): Take location as a
10021         string, rather than calculating it from a relocation.
10022         * errors.cc (Errors::fatal): Print "fatal error:" before the
10023         formatted message.
10024         (Errors::error, Errors::error_at_location): Print "error: "
10025         before the formatted message.
10026         (Errors::undefined_symbol): Take location as a string, rather
10027         than calculating it from a relocation.
10028         (gold_undefined_symbol_at_location): New function akin to
10029         old gold_undefined_symbol, calculates location from relocation.
10030         (gold_undefined_symbol): Change to take only a Symbol pointer
10031         and to report location as the file name associated with the symbol.
10032         * testsuite/debug_msg.sh: Update for changed error messages.
10033         * testsuite/undef_symbol.sh: Likewise.
10034
10035 2009-02-04  Duncan Sands  <baldrick@free.fr>
10036
10037         PR 9812
10038         * reduced_debug_output.h
10039         (Output_reduced_debug_abbrev_section::failed): Use format for
10040         gold_warning.
10041         (Output_reduced_debug_info_section::faild): Likewise.
10042
10043 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10044
10045         * script.cc (Lazy_demangler): New class.
10046         (Version_script_info::get_symbol_version_helper): Demangle a
10047         symbol only once.
10048
10049 2009-01-29  Cary Coutant  <ccoutant@google.com>
10050
10051         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10052         to __tls_get_addr.
10053         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10054
10055 2009-01-28  Ian Lance Taylor  <iant@google.com>
10056
10057         * version.cc (version_string): Bump to 1.9.
10058
10059         * gold.h: Include <cstring> and <stdint.h>.
10060         * version.cc: Include <cstdio>.
10061         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10062         warning.
10063         * reduced_debug_output.cc (insert_into_vector): Rename from
10064         Insert_into_vector; change all callers.  Use Swap_unaligned to
10065         avoid aliasing issue; remove union since it is unnecessary.
10066
10067 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10068
10069         * Makefile.am (CCFILES): Add gc.cc.
10070         (HFILES): Add gc.h.
10071         * Makefile.in: Regenerate.
10072         * gold.cc (Gc_runner): New class.
10073         (queue_initial_tasks): Call garbage collection related tasks
10074         when corresponding options are invoked.
10075         (queue_middle_gc_tasks): New function.
10076         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10077         processed early before laying out sections during garbage collection.
10078         * gold.h (queue_middle_gc_tasks): New function.
10079         (is_prefix_of): Move from "layout.cc".
10080         * i386.cc (Target_i386::gc_process_relocs): New function.
10081         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10082         * main.cc (main): Create object of class "Garbage_collection".
10083         * object.cc (Relobj::copy_symbols_data): New function.
10084         (Relobj::is_section_name_included): New function.
10085         (Sized_relobj::do_layout): Allow this function to be called twice
10086         during garbage collection and defer layout of section during the
10087         first call.
10088         * object.h (Relobj::get_symbols_data): New function.
10089         (Relobj::is_section_name_included): New function.
10090         (Relobj::copy_symbols_data): New function.
10091         (Relobj::set_symbols_data): New function.
10092         (Relobj::get_relocs_data): New function.
10093         (Relobj::set_relocs_data): New function.
10094         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10095         (Relobj::gc_process_relocs): New function.
10096         (Relobj::do_gc_process_relocs): New pure virtual function.
10097         (Relobj::sd_): New data member.
10098         (Sized_relobj::is_output_section_offset_invalid): New function.
10099         (Sized_relobj::do_gc_process_relocs): New function.
10100         * options.h (General_options::gc_sections): Modify to not be a no-op.
10101         (General_options::print_gc_sections): New option.
10102         * plugin.cc (Plugin_finish::run): Remove function call to
10103         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10104         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10105         * reloc.cc (Read_relocs::run): Add task to process relocs and
10106         determine unreferenced sections when doing garbage collection.
10107         (Gc_process_relocs): New class.
10108         (Sized_relobj::do_gc_process_relocs): New function.
10109         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10110         sections that are garbage collected.
10111         * reloc.h (Gc_process_relocs): New class.
10112         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10113         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10114         symbols whose corresponding sections are garbage collected.
10115         (Symbol_table::Symbol_table): Add new parameter for the garbage
10116         collection object.
10117         (Symbol_table::gc_mark_undef_symbols): New function.
10118         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10119         (Symbol_table::gc_mark_dyn_syms): New function.
10120         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10121         as garbage.
10122         (Symbol_table::add_from_object): Likewise.
10123         (Symbol_table::add_from_relobj): When building shared objects, do not
10124         treat externally visible symbols as garbage.
10125         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10126         table information for static and relocatable links.
10127         * symtab.h (Symbol_table::set_gc): New function.
10128         (Symbol_table::gc): New function.
10129         (Symbol_table::gc_mark_undef_symbols): New function.
10130         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10131         (Symbol_table::gc_mark_dyn_syms): New function.
10132         (Symbol_table::gc_): New data member.
10133         * target.h (Sized_target::gc_process_relocs): New pure virtual
10134         function.
10135         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10136         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10137
10138 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10139
10140         * options.h (General_options::gc_sections): Define as a no-op for now.
10141         (General_options::no_keep_memory): Ditto.
10142         (General_options::Bshareable): Define.
10143         * options.cc (General_options::finalize): Honor -Bshareable.
10144
10145 2009-01-20  Andreas Schwab  <schwab@suse.de>
10146
10147         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10148         read the value in the contents, since we don't use it.  Use the
10149         template endianness when writing.
10150         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10151
10152 2009-01-19  Andreas Schwab  <schwab@suse.de>
10153
10154         * configure.tgt (powerpc64-*): Fix targ_obj.
10155
10156 2009-01-15  Ian Lance Taylor  <iant@google.com>
10157
10158         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10159         local symbols when stripping all symbols.
10160
10161 2009-01-14  Cary Coutant  <ccoutant@google.com>
10162
10163         * output.cc (Output_reloc): Add explicit instantiations.
10164
10165 2009-01-14  Cary Coutant  <ccoutant@google.com>
10166
10167         * archive.cc (Archive::get_elf_object_for_member): Remove call
10168         to File_read::claim_for_plugin.
10169         * descriptors.cc (Descriptors::open): Remove reference to
10170         is_claimed.
10171         (Descriptors::claim_for_plugin): Remove.
10172         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10173         (Descriptors::is_claimed): Remove.
10174         (claim_descriptor_for_plugin): Remove.
10175         * fileread.cc (File_read::claim_for_plugin): Remove.
10176         * fileread.h (File_read::claim_for_plugin): Remove.
10177         (File_read::descriptor): Reopen descriptor if necessary.
10178         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10179         (Plugin_manager::all_symbols_read): Add task parameter. Change
10180         all callers.
10181         (Plugin_manager::get_input_file): New function.
10182         (Plugin_manager::release_input_file): New function.
10183         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10184         corresponding data member.
10185         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10186         and pass to base constructor. Change all callers.
10187         (get_input_file, release_input_file): New functions.
10188         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10189         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10190         (Plugin_manager::all_symbols_read): Add task parameter.
10191         (Plugin_manager::get_input_file): New function.
10192         (Plugin_manager::release_input_file): New function.
10193         (Plugin_manager::task_): New data member.
10194         (Pluginobj::Pluginobj): Add filesize parameter.
10195         (Pluginobj::filename): New function.
10196         (Pluginobj::descriptor): New function.
10197         (Pluginobj::filesize): New function.
10198         (Pluginobj::filesize_): New data member.
10199         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10200         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10201         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10202
10203         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10204         with archive libraries.
10205         * testsuite/Makefile.in: Regenerate.
10206         * testsuite/plugin_test.c (struct sym_info): New type.
10207         (get_input_file, release_input_file): New static variables.
10208         (onload): Capture new transfer vector entries.
10209         (claim_file_hook): Stop reading at end of file according to filesize.
10210         Factor out parsing of readelf output into separate function.
10211         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10212         APIs and get the source file name from the symbol table.  Convert
10213         source file name to corresponding object file name.  Print info
10214         message when adding new input files.
10215         (parse_readelf_line): New function.
10216         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10217         * testsuite/plugin_test_2.sh: Likewise.
10218         * testsuite/plugin_test_3.sh: Likewise.
10219         * testsuite/plugin_test_4.sh: New test case.
10220
10221 2009-01-07  Ian Lance Taylor  <iant@google.com>
10222
10223         * version.cc (version_string): Bump to 1.8.
10224
10225 2008-12-23  Cary Coutant  <ccoutant@google.com>
10226
10227         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10228         * plugin.cc (Plugin_manager::finish): Rename as
10229         layout_deferred_objects.  Move cleanup to separate function.
10230         (Plugin_manager::cleanup): New function.
10231         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10232         separately.
10233         * plugin.h (Plugin_manager::finish): Rename as
10234         layout_deferred_objects.
10235         (Plugin_manager::cleanup): New function.
10236         (Plugin_manager::cleanup_done): New field.
10237
10238 2008-12-23  Cary Coutant  <ccoutant@google.com>
10239
10240         * plugin.cc (is_visible_from_outside): New function.
10241         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10242         so we don't return "IR only" status for exported symbols or -r links.
10243
10244         * testsuite/Makefile.am (plugin_test_3): New test case.
10245         * testsuite/Makefile.in: Regenerate.
10246         * testsuite/plugin_test_3.sh: New file.
10247
10248 2008-12-22  Cary Coutant  <ccoutant@google.com>
10249
10250         * object.cc (Sized_relobj::layout_section): New function.
10251         (Sized_relobj::do_layout): Defer layout of input sections until after
10252         plugin has provided replacement files.
10253         (Sized_relobj::do_layout_deferred_sections): New function.
10254         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10255         (Relobj::layout_deferred_sections): New function.
10256         (Relobj::do_layout_deferred_sections): New function.
10257         (Sized_relobj::do_layout_deferred_sections): New function.
10258         (Sized_relobj::layout_section): New function.
10259         (Sized_relobj::Deferred_layout): New structure.
10260         (Sized_relobj::deferred_layout_): New field.
10261         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10262         Change all callers.  Layout deferred sections.
10263         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10264         references.
10265         (Plugin_hook::run): Move code from do_plugin_hook inline.
10266         (Plugin_hook::do_plugin_hook): Remove.
10267         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10268         (Plugin_manager::finish): Renamed, was cleanup.
10269         (Plugin_manager::should_defer_layout): New function.
10270         (Plugin_manager::add_deferred_layout_object): New function.
10271         (Plugin_manager::Deferred_layout_list): New type.
10272         (Plugin_manager::deferred_layout_objects_): New field.
10273         (Plugin_hook::do_plugin_hook): Remove.
10274
10275 2008-12-17  Ian Lance Taylor  <iant@google.com>
10276
10277         * options.h (class General_options): Add --no case for
10278         --export-dynamic.
10279
10280 2008-12-16  Cary Coutant  <ccoutant@google.com>
10281
10282         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10283         vector.
10284         (Plugin_manager::claim_file): Create plugin object even if
10285         plugin did not call the add_symbols callback.
10286         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10287         asking for more symbols than were added.
10288         * testsuite/Makefile.am (plugin_test_1): Add test case with
10289         no global symbols.
10290         (empty.syms): New target.
10291         * testsuite/Makefile.in: Regenerate.
10292         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10293         message. Don't call add_symbols if no globals.
10294         (all_symbols_read_hook): Don't provide replacement for empty
10295         claimed file.
10296
10297 2008-12-12  Ian Lance Taylor  <iant@google.com>
10298
10299         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10300         r_type == 0 for a local symbol with r_sym == 0.
10301         (scan_relocatable_relocs): Pass r_sym to
10302         local_non_section_strategy.
10303         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10304         r_sym parameter.
10305
10306         * configure.ac: Update test for TLS descriptors: they are
10307         supported as of glibc 2.9.
10308         * configure: Rebuild.
10309
10310 2008-12-11  Ian Lance Taylor  <iant@google.com>
10311
10312         PR 7091
10313         * target-reloc.h (Default_scan_relocatable_relocs): For each
10314         function, map r_type == 0 to RELOC_DISCARD.
10315
10316 2008-12-10  Cary Coutant  <ccoutant@google.com>
10317
10318         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10319         object to override a kept COMDAT group from a plugin object.
10320
10321 2008-12-09  Ian Lance Taylor  <iant@google.com>
10322
10323         PR 7088
10324         * yyscript.y (file_cmd): Handle INPUT.
10325
10326         * testsuite/initpri1.c: Change all declarations to be full
10327         prototypes by adding void, to avoid compiler warnings.
10328
10329 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10330
10331         * options.cc (General_options::parse_plugin_opt): New.
10332         (General_options::add_plugin): The argument now is just the filename.
10333         (General_options::add_plugin_option): New.
10334         * options.h (plugin_opt): New.
10335         (add_plugin): Change argument name.
10336         (add_plugin_option): New.
10337         * plugin.cc (Plugin::load): Don't parse the plugin option.
10338         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10339         (Plugin::add_option): New.
10340         (Plugin::args_): Change type.
10341         (Plugin::filename_): New.
10342         (Plugin_manager::add_plugin_option): New.
10343         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10344         * testsuite/Makefile.in: Regenerate.
10345
10346 2008-12-05  Cary Coutant  <ccoutant@google.com>
10347
10348         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10349         Handle --strip-lto-sections option.
10350         * options.h (strip_lto_sections): New option.
10351
10352 2008-12-01  Cary Coutant  <ccoutant@google.com>
10353
10354         * plugin.cc (ld_plugin_message): Change format parameter to const.
10355         Fix mismatch between new[] and delete.
10356
10357 2008-11-14  Cary Coutant  <ccoutant@google.com>
10358
10359         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10360         instead of -1U.
10361
10362 2008-11-05  Craig Silverstein  <csilvers@google.com>
10363
10364         * options.cc (General_options::parse_dynamic_list): New function.
10365         * options.h (General_options): New flags dynamic_list,
10366         dynamic_list_data, dynamic_list_cpp_new, and
10367         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10368         (General_options::in_dynamic_list): New function.
10369         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10370         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10371         (Lex::can_continue_name): Likewise.
10372         (yylex): Likewise.
10373         (read_script_file): New parameter script_options.
10374         (read_dynamic_list): New function.
10375         (Script_options::define_dynamic_list): New function.
10376         (dynamic_list_keyword_parsecodes): New variable.
10377         (dynamic_list_keywords): New variable.
10378         * script.h (Script_options::define_dynamic_list): New function
10379         prototype.
10380         (read_dynamic_list): New function prototype.
10381         * symtab.cc (strprefix): New macro.
10382         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10383         dynamic_list_data, dynamic_list_cpp_new, and
10384         dynamic_list_cpp_typeinfo.
10385         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10386         (dynamic_list_expr): New rule.
10387         (dynamic_list_nodes): Likewise.
10388         (dynamic_list_node): Likewise.
10389         * testsuite/Makefile.am (dynamic_list): New test.
10390         * testsuite/Makefile.in: Regenerated.
10391         * testsuite/dynamic_list.t: New file.
10392         * testsuite/dynamic_list.sh: New file.
10393
10394 2008-11-05  Craig Silverstein  <csilvers@google.com>
10395
10396         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10397         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10398         (t11_last): Likewise.
10399         * testsuite/ver_test_6.c (main): Likewise.
10400
10401 2008-10-07  Cary Coutant  <ccoutant@google.com>
10402
10403         * options.c (General_options::finalize): Add check for -static and
10404         -shared.
10405         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10406         is not empty.
10407
10408 2008-10-02  Cary Coutant  <ccoutant@google.com>
10409
10410         * plugin.cc (make_sized_plugin_object): Fix conditional
10411         compilation to work when not all targets are enabled.
10412
10413 2008-09-29  Cary Coutant  <ccoutant@google.com>
10414
10415         * archive.cc (Archive::get_file_and_offset): Use filename instead
10416         of name to get library path.
10417         (Archive::include_member): Unlock external member of a thin archive.
10418
10419         * testsuite/Makefile.am (TEST_AR): New variable.
10420         (thin_archive_test_1): New test.
10421         (thin_archive_test_2): New test.
10422         * testsuite/Makefile.in: Regenerate.
10423         * testsuite/thin_archive_main.cc: New file.
10424         * testsuite/thin_archive_test_1.cc: New file.
10425         * testsuite/thin_archive_test_2.cc: New file.
10426         * testsuite/thin_archive_test_3.cc: New file.
10427         * testsuite/thin_archive_test_4.cc: New file.
10428
10429 2008-09-29  Cary Coutant  <ccoutant@google.com>
10430
10431         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10432         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10433         instead of -1U.
10434         (Sized_relobj::do_finalize_local_symbols): Likewise.
10435         (Sized_relobj::map_to_kept_section): Likewise.
10436         * object.h (Sized_relobj::invalid_address): New constant.
10437         (Sized_relobj::do_output_section_offset): Check for invalid_address
10438         and return -1ULL.
10439         * output.cc (Output_reloc::local_section_offset): Use constant
10440         invalid_address instead of -1U.
10441         (Output_reloc::get_address): Likewise.
10442         (Output_section::output_address): Change -1U to -1ULL.
10443         * output.h (Output_reloc::invalid_address): New constant.
10444         * reloc.cc (Sized_relobj::write_sections): Use constant
10445         invalid_address instead of -1U.
10446         (Sized_relobj::relocate_sections): Likewise.
10447         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10448         values for merge sections.
10449         * target-reloc.h (relocate_for_relocatable): Use constant
10450         invalid_address instead of -1U.
10451
10452 2008-09-19  Cary Coutant  <ccoutant@google.com>
10453
10454         Add plugin functionality for link-time optimization (LTO).
10455         * configure.ac (plugins): Add --enable-plugins option.
10456         * configure: Regenerate.
10457         * config.in: Regenerate.
10458         * Makefile.am (LIBDL): New variable.
10459         (CCFILES): Add plugin.cc.
10460         (HFILES): Add plugin.h.
10461         (ldadd_var): Add LIBDL.
10462         * Makefile.in: Regenerate.
10463
10464         * archive.cc: Include "plugin.h".
10465         (Archive::setup): Don't preread archive symbols when using a plugin.
10466         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10467         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10468         files.
10469         (Archive::include_member): Add symbols from plugin objects.
10470         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10471         * descriptors.cc (Descriptors::open): Check for file descriptors
10472         abandoned by plugins.
10473         (Descriptors::claim_for_plugin): New function.
10474         * descriptors.h (Descriptors::claim_for_plugin): New function.
10475         (Open_descriptor::is_claimed): New field.
10476         (claim_descriptor_for_plugin): New function.
10477         * fileread.cc (File_read::claim_for_plugin): New function.
10478         * fileread.h (File_read::claim_for_plugin): New function.
10479         (File_read::descriptor): New function.
10480         * gold.cc: Include "plugin.h".
10481         (queue_initial_tasks): Add task to call plugin hooks for generating
10482         new object files.
10483         * main.cc: Include "plugin.h".
10484         (main): Load plugin libraries.
10485         * object.h (Pluginobj): Declare.
10486         (Object::pluginobj): New function.
10487         (Object::do_pluginobj): New function.
10488         (Object::set_target): New function.
10489         * options.cc: Include "plugin.h".
10490         (General_options::parse_plugin): New function.
10491         (General_options::General_options): Initialize plugins_ field.
10492         (General_options::add_plugin): New function.
10493         * options.h (Plugin_manager): Declare.
10494         (General_options): Add --plugin option.
10495         (General_options::has_plugins): New function.
10496         (General_options::plugins): New function.
10497         (General_options::add_plugin): New function.
10498         (General_options::plugins_): New field.
10499         * plugin.cc: New file.
10500         * plugin.h: New file.
10501         * readsyms.cc: Include "plugin.h".
10502         (Read_symbols::do_read_symbols): Check for archive before checking
10503         for ELF file.  Call plugin hooks to claim files.
10504         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10505         from a real object file; force override when processing replacement
10506         files.
10507         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10508         (Symbol::init_base_object): Likewise.
10509         (Symbol::init_base_output_data): Likewise.
10510         (Symbol::init_base_output_segment): Likewise.
10511         (Symbol::init_base_constant): Likewise.
10512         (Symbol::init_base_undefined): Likewise.
10513         (Symbol::output_section): Assert that object is not a plugin.
10514         (Symbol_table::add_from_pluginobj): New function.
10515         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10516         undefined.
10517         (Symbol_table::sized_write_globals): Likewise.
10518         (Symbol_table::add_from_pluginobj): Instantiate template.
10519         * symtab.h (Sized_pluginobj): Declare.
10520         (Symbol::in_real_elf): New function.
10521         (Symbol::set_in_real_elf): New function.
10522         (Symbol::in_real_elf_): New field.
10523         (Symbol_table::add_from_pluginobj): New function.
10524
10525         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10526         (LIBDL): New variable.
10527         (LDADD): Add LIBDL.
10528         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10529         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10530         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10531         (MOSTLYCLEANFILES): Likewise.
10532         * testsuite/Makefile.in: Regenerate.
10533         * testsuite/plugin_test.c: New file.
10534         * testsuite/plugin_test_1.sh: New file.
10535         * testsuite/plugin_test_2.sh: New file.
10536
10537 2008-09-16  Ian Lance Taylor  <iant@google.com>
10538
10539         * target-reloc.h (relocate_section): Check whether a symbol is
10540         defined by the ABI before reporting an undefined symbol error.
10541         * target.h (Target::is_defined_by_abi): Make parameter const.
10542         (Target::do_is_defined_by_abi): Likewise.
10543         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10544         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10545         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10546         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10547         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10548         * testsuite/Makefile.in: Rebuild.
10549
10550         * fileread.cc (make_view): Add casts to avoid warning.
10551
10552 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10553
10554         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10555         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10556
10557 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10558
10559         * options.h (General_options::output_is_executable): New.
10560         (General_options::output_is_pie): New.
10561         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10562         for shared libraries.
10563         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10564
10565 2008-09-11  Chris Demetriou  <cgd@google.com>
10566
10567         * options.h (origin): New -z option.
10568         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10569         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10570         in DT_FLAGS_1.
10571
10572 2008-09-05  Cary Coutant  <ccoutant@google.com>
10573
10574         * fileread.cc (File_read::make_view): Add check for attempt to map
10575         beyond end of file.
10576
10577 2008-09-05  Cary Coutant  <ccoutant@google.com>
10578
10579         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10580         explicit instantiations.
10581
10582 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10583
10584         PR gold/6858
10585         * options.cc (General_options::finalize): Allow undefined symbols
10586         in shlibs if linking -shared.
10587
10588         PR gold/6859
10589         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10590         symbols as not needing a dynsym entry.
10591
10592 2008-08-20  Craig Silverstein  <csilvers@google.com>
10593
10594         * fileread.cc (File_read::open): Do not lock the file unless it
10595         was successfully opened.
10596
10597 2008-08-14  Cary Coutant  <ccoutant@google.com>
10598
10599         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10600         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10601         * testsuite/tls_test.cc (struct int128): 128-bit struct
10602         for testing TLS relocs with non-zero addend.
10603         (v12): New TLS variable.
10604         (t12): New test.
10605         (t_last): Add check for v12.
10606         * testsuite/tls_test.h (t12): New function.
10607         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10608
10609 2008-08-13  Ian Lance Taylor  <iant@google.com>
10610
10611         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10612         set tls_segment_ or relro_segment_.
10613         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10614         when appropriate.
10615         * output.h (Output_section::clear_is_relro): New function.
10616         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10617         sections specially even when output_data_ is empty.
10618         (Output_segment::maximum_alignment): When first section is relro,
10619         only force alignment for PT_LOAD segments.
10620         * script.cc (script_data_segment_align): New function.
10621         (script_data_segment_relro_end): New function.
10622         * script-c.h (script_data_segment_align): Declare.
10623         (script_data_segment_relro_end): Declare.
10624         * script-sections.h (class Script_sections): Declare
10625         data_segment_align and data_segment_relro_end.  Add fields
10626         segment_align_index_ and saw_relro_end_.
10627         * script-sections.cc (class Sections_element): Add set_is_relro
10628         virtual function.  Add new bool* parameter to place_orphan_here.
10629         Add get_output_section virtual function.
10630         (class Output_section_definition): Add set_is_relro.  Add new
10631         bool* parameter to place_orphan_here.  Add get_output_section.
10632         Add is_relro_ field.
10633         (Output_section_definition::Output_section_definition): Initialize
10634         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10635         and is_relro_ fields.
10636         (Output_section_definition::place_orphan_here): Add is_relro
10637         parameter.
10638         (Output_section_definition::set_section_addresses): Set relro for
10639         output section.
10640         (Output_section_definition::alternate_constraint): Likewise.
10641         (class Orphan_output_section): Add new bool* parameter to
10642         place_orphan_here.  Add get_output_section.
10643         (Orphan_output_section::place_orphan_here): Add is_relro
10644         parameter.
10645         (Script_sections::Script_sections): Initialize
10646         data_segment_align_index_ and saw_relro_end_.
10647         (Script_sections::data_segment_align): New function.
10648         (Script_sections::data_segment_relro_end): New function.
10649         (Script_sections::place_orphan): Set or clear is_relro.
10650         (Script_sections::set_section_addresses): Force alignment of first
10651         TLS section.
10652         * yyscript.y (exp): Call script_data_segment_align and
10653         script_data_segment_relro_end.
10654         * testsuite/relro_script_test.t: New file.
10655         * testsuite/relro_test.cc (using_script): Declare.
10656         (t1, t2): Test using_script.
10657         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10658         (relro_script_test_SOURCES): Define.
10659         (relro_script_test_DEPENDENCIES): Define.
10660         (relro_script_test_LDFLAGS): Define.
10661         (relro_script_test_LDADD): Define.
10662         (relro_script_test.so): New target.
10663         * testsuite/Makefile.in: Rebuild.
10664
10665 2008-08-06  Cary Coutant <ccoutant@google.com>
10666
10667         * archive.cc (Archive::total_archives, Archive::total_members)
10668         (Archive::total_members_loaded): New variables.
10669         (Archive::setup): Add parameter.  Add option to preread
10670         archive symbols.
10671         (Archive::read_armap): Add counter.
10672         (Archive::get_file_and_offset): New function.
10673         (Archive::get_elf_object_for_member): New function.
10674         (Archive::read_all_symbols): New function.
10675         (Archive::read_symbols): New function.
10676         (Archive::add_symbols): Add counters.
10677         (Archive::include_all_members): Use armap to find members if it's
10678         already built.
10679         (Archive::include_member): Skip reading symbols if already read.
10680         Factored code into Archive::get_file_and_offset and
10681         Archive::get_elf_object_for_member.  Changed call to
10682         Mapfile::report_include_archive_member.
10683         (Archive::print_stats): New function.
10684         * archive.h: Declare Object and Read_symbols_data classes.
10685         (Archive::Archive): Add initializers for new members.
10686         (Archive::setup): Add parameter.
10687         (Archive::print_stats): New function.
10688         (Archive::total_archives, Archive::total_members)
10689         (Archive::total_members_loaded): New variables.
10690         (Archive::get_file_and_offset): New function.
10691         (Archive::get_elf_object_for_member): New function.
10692         (Archive::read_all_symbols): New function.
10693         (Archive::read_symbols): New function.
10694         (Archive::Archive_member): New class.
10695         (Archive::members_): New member.
10696         (Archive::num_members_): New member.
10697         * main.cc: Include archive.h.
10698         (main): Call Archive::print_stats.
10699         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10700         archive parameter; member_name is now the fully-decorated name.
10701         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10702         * options.h: (General_options): Add --preread-archive-symbols option.
10703         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10704         Archive::setup.
10705
10706 2008-08-04  Ian Lance Taylor  <iant@google.com>
10707
10708         * symtab.h (Symbol::use_plt_offset): New function.
10709         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10710         * powerpc.cc (Relocate::relocate): Likewise.
10711         * sparc.cc (Relocate::relocate): Likewise.
10712         * x86_64.cc (Relocate::relocate): Likewise.
10713         * testsuite/weak_plt.sh: New test.
10714         * testsuite/weak_plt_main.cc: New test.
10715         * testsuite/weak_plt_shared.cc: New test.
10716         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10717         (check_PROGRAMS): Add weak_plt.
10718         (check_DATA): Add weak_plt_shared.so.
10719         (weak_plt_main_pic.o, weak_plt): New targets.
10720         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10721         * testsuite/Makefile.in: Rebuild.
10722
10723         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10724         gcctestdir/ld.
10725         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10726         * testsuite/Makefile.in: Rebuild.
10727
10728 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10729
10730         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10731         * Makefile.in: Regenerate.
10732         * po/POTFILES.in: Regenerate.
10733
10734 2008-07-29  Ian Lance Taylor  <iant@google.com>
10735
10736         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10737         symbols before other symbols.
10738         * testsuite/script_test_2.cc (test_addr): Declare.
10739         (test_addr_alias): Declare.
10740         (main): Check that test_addr and test_addr_alias have the right
10741         values.
10742         * testsuite/script_test_2.t: Define test_addr_alias and
10743         test_addr.
10744
10745 2008-07-24  Ian Lance Taylor  <iant@google.com>
10746
10747         PR 5990
10748         * descriptors.cc: New file.
10749         * descriptors.h: New file.
10750         * gold-threads.h (class Hold_optional_lock): New class.
10751         * fileread.cc: Include "descriptors.h".
10752         (File_read::~File_read): Release descriptor rather than closing
10753         it.
10754         (File_read::open) [file]: Call open_descriptor rather than open.
10755         Set is_descriptor_opened_.
10756         (File_read::open) [memory]: Assert that descriptor is not open.
10757         (File_read::reopen_descriptor): New function.
10758         (File_read::release): Release descriptor.
10759         (File_read::do_read): Make non-const.  Reopen descriptor.
10760         (File_read::read): Make non-const.
10761         (File_read::make_view): Reopen descriptor.
10762         (File_read::do_readv): Likewise.
10763         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10764         Update declarations.
10765         * layout.cc: Include "descriptors.h".
10766         (Layout::create_build_id): Use open_descriptor rather than open.
10767         * output.cc: Include "descriptors.h".
10768         (Output_file::open): Use open_descriptor rather than open.
10769         * archive.cc (Archive::const_iterator): Change Archive to be
10770         non-const.
10771         (Archive::begin, Archive::end): Make non-const.
10772         (Archive::count_members): Likewise.
10773         * archive.h (class Archive): Update declarations.
10774         * object.h (Object::read): Make non-const.
10775         * Makefile.am (CCFILES): Add descriptors.cc.
10776         (HFILES): Add descriptors.h.
10777         * Makefile.in: Rebuild.
10778
10779         PR 6716
10780         * gold.h: Always include <clocale>.  Add Solaris workarounds
10781         following code in binutils/sysdep.h.
10782
10783         PR 6048
10784         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10785         this->eh_frame_hdr_ is NULL before using it.
10786
10787         * dynobj.cc (Versions::Versions): Update comment.
10788
10789         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10790         the base version name.
10791
10792         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10793         array size plus one.
10794         (Stringpool_template::set_string_offsets): Subtract one from key
10795         before using it as an array index.
10796         (Stringpool_template::get_offset_with_length): Likewise.
10797         (Stringpool_template::write_to_buffer): Likewise.
10798         * stringpool.h (Stringpool_template::get_offset_from_key):
10799         Likewise.
10800
10801 2008-07-23  Ian Lance Taylor  <iant@google.com>
10802
10803         PR 6658
10804         * object.h (Merged_symbol_value::value): Do our best to handle a
10805         negative addend.
10806
10807         PR 6647
10808         * script.cc (Version_script_info::get_versions): Don't add empty
10809         version tag to return value.
10810         (Version_script_info::get_symbol_version_helper): Change return
10811         type to bool.  Add pversion parameter.  Change all callers.
10812         (script_register_vers_node): Don't require a non-NULL tag.
10813         * script.h (class Version_script_info): Update declarations.
10814         (Version_script_info::get_symbol_version): Change return type to
10815         bool.  Add version parameter.  Change all callers.
10816         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10817         handling.  Handle an empty version from a version script.
10818         (Symbol_table::define_special_symbol): Likewise.
10819         * testsuite/ver_test_10.script: New file.
10820         * testsuite/ver_test_10.sh: New file.
10821         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10822         (check_DATA): Add ver_test_10.syms.
10823         (ver_test_10.syms, ver_test_10.so): New target.
10824         * testsuite/Makefile.in: Rebuild.
10825
10826 2008-07-23  Simon Baldwin  <simonb@google.com>
10827
10828         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10829         to zero for undefined symbols from dynamic libraries.
10830
10831 2008-07-23  Ian Lance Taylor  <iant@google.com>
10832
10833         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10834         Change all callers.
10835         * symtab.h (class Symbol_table): Update declaration.
10836         * testsuite/ver_test_9.cc: New file.
10837         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10838         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10839         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10840         (ver_test_9.so, ver_test_9.o): New targets.
10841         * testsuite/Makefile.in: Rebuild.
10842
10843 2008-07-22  Ian Lance Taylor  <iant@google.com>
10844
10845         * options.h (class General_options): Define --check-sections.
10846         * layout.cc (Layout::set_segment_offsets): Handle
10847         --check-sections.
10848
10849         * options.h (class General_options): Define -n/--nmagic and
10850         -N/--omagic.
10851         * options.cc (General_options::finalize): For -n/--nmagic or
10852         -N/--omagic, set -static.
10853         * layout.cc (Layout::attach_allocated_section_to_segment): If
10854         -N/--omagic, don't put read-only and read-write sections in
10855         different segments.
10856         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10857         finding a read-only segment.
10858         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10859         don't set the minimum segment alignment to the common page size,
10860         and don't set the file offset to the address modulo the page size.
10861         * script-sections.cc (Script_sections::create_segments): If
10862         -n/--omagic, don't put read-only and read-write sections in
10863         different segments.
10864
10865         * cref.cc: New file.
10866         * cref.h: New file.
10867         * options.h (class General_options): Add --print-symbol-counts.
10868         * main.cc (main): Issue defined symbol report if requested.
10869         * archive.cc (Archive::interpret_header): Make into a const member
10870         function.
10871         (Archive::add_symbols): Call Input_objects::archive_start and
10872         archive_stop.
10873         (Archive::const_iterator): Define new class.
10874         (Archive::begin, Archive::end): New functions.
10875         (Archive::include_all_members): Rewrite to use iterator.
10876         (Archive::count_members): New function.
10877         * archive.h (class Archive): Update declarations.
10878         (Archive::filename): New function.
10879         * object.cc: Include "cref.h".
10880         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10881         (Sized_relobj::do_get_global_symbol_counts): New function.
10882         (Input_objects::add_object): Add object to cross-referencer.
10883         (Input_objects::archive_start): New function.
10884         (Input_objects::archive_stop): New function.
10885         (Input_objects::print_symbol_counts): New function.
10886         * object.h: Declare Cref and Archive.
10887         (Object::get_global_symbol_counts): New function.
10888         (Object::do_get_global_symbol_counts): New pure virtual function.
10889         (class Sized_relobj): Add defined_count_ field.  Update
10890         declarations.
10891         (class Input_objects): Add cref_ field.  Update constructor.
10892         Update declarations.
10893         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10894         defined_count_.
10895         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10896         symbol counts.
10897         (Sized_dynobj::do_get_global_symbol_counts): New function.
10898         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10899         defined_count_.  Update declarations.  Define Symbols typedef.
10900         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10901         parameter.  Change all callers.
10902         (Symbol_table::add_from_dynobj): Add sympointers and defined
10903         parameters.  Change all callers.
10904         * symtab.h (class Symbol_table): Update declarations.
10905         * Makefile.am (CCFILES): Add cref.cc.
10906         (HFILES): Add cref.h.
10907         * Makefile.in: Rebuild.
10908
10909 2008-07-22  Simon Baldwin  <simonb@google.com>
10910
10911         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10912         to zero when writing undefined symbols.
10913
10914 2008-07-22  Ian Lance Taylor  <iant@google.com>
10915
10916         * output.cc (Output_section::add_input_section): Don't try to
10917         merge empty merge sections.
10918
10919 2008-07-21  Craig Silverstein  <csilvers@google.com>
10920
10921         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10922         Include symbol version in error message.
10923
10924 2008-07-20  Chris Demetriou  <cgd@google.com>
10925
10926         * configure.ac (gold_cv_c_random_seed): New configured variable.
10927         (RANDOM_SEED_CFLAGS): New substituted variable.
10928         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10929         * configure: Rebuild.
10930         * Makefile.in: Likewise.
10931         * testsuite/Makefile.in: Likewise.
10932
10933 2008-07-18  Ian Lance Taylor  <iant@google.com>
10934
10935         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10936         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10937         * testsuite/ver_test_main.cc (main): Call t4.
10938         (t4, t4_2a): Define.
10939         * testsuite/ver_test_2.cc (t4_2): Define.
10940         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10941         * testsuite/ver_test_4.cc (t4_2a): Define.
10942         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10943         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10944
10945 2008-07-17  Ian Lance Taylor  <iant@google.com>
10946
10947         * dynobj.cc (Versions::add_def): If we give an error about a
10948         missing version, go ahead and create the version anyhow.
10949
10950 2008-07-10  Ian Lance Taylor  <iant@google.com>
10951
10952         Handle output sections with more than 0x7fffffff bytes.
10953         * object.h (class Relobj): Change map_to_output_ to
10954         output_sections_, and just keep a section pointer.  Change all
10955         uses.  Move comdat group support to Sized_relobj.
10956         (Relobj::is_section_specially_mapped): Remove.
10957         (Relobj::output_section): Remove poff parameter.  Change all
10958         callers.
10959         (Relobj::output_section_offset): New function.
10960         (Relobj::set_section_offset): Rewrite.
10961         (Relobj::map_to_output): Remove.
10962         (Relobj::output_sections): New function.
10963         (Relobj::do_output_section_offset): New pure virtual function.
10964         (Relobj::do_set_section_offset): Likewise.
10965         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10966         group support from Relobj.  Update declarations.
10967         (Sized_relobj::get_output_section_offset): New function.
10968         (Sized_relobj::do_output_section_offset): New function.
10969         (Sized_relobj::do_set_section_offset): New function.
10970         * object.cc (Relobj::output_section_address): Remove.
10971         (Sized_relobj::Sized_relobj): Initialize new fields.
10972         (Sized_relobj::include_section_group): Cast find_kept_object to
10973         Sized_relobj.
10974         (Sized_relobj::include_linkonce_section): Likewise.
10975         (Sized_relobj::do_layout): Use separate arrays for output section
10976         and output offset.
10977         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10978         output_sections.
10979         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10980         output_sections and section_offsets.
10981         (Sized_relobj::write_local_symbols): Likewise.
10982         (map_to_kept_section): Compute output address directly.
10983         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10984         output_sections and section_offsets.
10985         (Sized_relobj::write_sections): Likewise.
10986         (Sized_relobj::relocate_sections): Likewise.
10987         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10988         * output.h (class Output_reloc): Update declarations.  Change
10989         u2_.relobj to Sized_relobj*.
10990         (class Output_data_reloc): Change add functions to use
10991         Sized_relobj*.
10992         * output.cc (Output_reloc::Output_reloc): Change relobj to
10993         Sized_relobj*.
10994         (Output_reloc::local_section_offset): Change return type to
10995         Elf_Addr.  Use get_output_section_offset.
10996         (Output_reloc::get_address): Likewise.
10997         (Output_section::is_input_address_mapped): Don't call
10998         is_section_specially_mapped.
10999         (Output_section::output_offset): Likewise.
11000         (Output_section::output_address): Likewise.
11001         (Output_section::starting_output_address): Likewise.
11002         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
11003         parameter to Sized_relobj*.
11004         (Copy_relocs::need_copy_reloc): Likewise.
11005         (Copy_relocs::save): Likewise.
11006         * copy-relocs.h (class Copy_relocs): Update declarations.
11007         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11008         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11009         * target-reloc.h (relocate_for_relocatable): Change
11010         offset_in_output_section type to Elf_Addr.  Change code that uses
11011         it as well.
11012         * layout.cc (Layout::layout): Always set *off.
11013         * mapfile.cc (Mapfile::print_input_section): Use
11014         output_section_offset.
11015         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11016         Sized_relobj*.
11017         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11018         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11019         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11020
11021 2008-07-03  Ian Lance Taylor  <iant@google.com>
11022
11023         * layout.cc (Layout::include_section): Do not discard unrecognized
11024         SHT_STRTAB sections.
11025
11026 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11027
11028         * script.cc (Lex::can_continue_name): Make '?' allowable in
11029         version-script names.
11030         * testsuite/version_script.map: Change glob pattern to use '?'
11031
11032 2008-06-30  Manish Singh  <yosh@gimp.org>
11033
11034         PR 6585
11035         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11036         Correct typo.
11037
11038 2008-06-30  Ian Lance Taylor  <iant@google.com>
11039
11040         PR 6660
11041         PR 6682
11042         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11043         versions]: Don't try to read the value in the contents, since we
11044         don't use it.  Use the template endianness when writing.
11045
11046 2008-06-25  Cary Coutant  <ccoutant@google.com>
11047
11048         * fileread.cc (File_read::make_view): Assert on zero-length view.
11049         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11050         symbol table when there are no symbols to read.
11051
11052 2008-06-23  Craig Silverstein  <csilvers@google.com>
11053
11054         * version.cc (version_string): Bump to 1.7
11055
11056 2008-06-18  Craig Silverstein  <csilvers@google.com>
11057
11058         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11059         constant 0xFFFF to type Valtype.
11060         (Powerpc_relocate_functions::rel16_ha): Likewise.
11061
11062 2008-06-17  Ian Lance Taylor  <iant@google.com>
11063
11064         * output.h (Output_section::Input_section): Initialize p2align_ to
11065         zero for Output_section_data constructors.
11066         (Output_section::Input_section::addralign): If not an input
11067         section, return the alignment of the Output_section_data.
11068         * testsuite/copy_test.cc: New file.
11069         * testsuite/copy_test_1.cc: New file.
11070         * testsuite/copy_test_2.cc: New file.
11071         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11072         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11073         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11074         (copy_test_1_pic.o, copy_test_1.so): New targets.
11075         (copy_test_2_pic.o, copy_test_2.so): New targets.
11076         * testsuite/Makefile.in: Rebuild.
11077
11078         * script-sections.cc (Script_sections::place_orphan): Initialize
11079         local variable exact.
11080
11081 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11082
11083         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11084
11085 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11086             David S. Miller  <davem@davemloft.net>
11087
11088         * powerpc.cc: New file.
11089         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11090         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11091         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11092         * Makefile.in: Rebuild.
11093
11094 2008-06-09  Ian Lance Taylor  <iant@google.com>
11095
11096         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11097         <exception>.
11098         (throwing, orig_terminate): New static variables.
11099         (terminate_handler): New static function.
11100         (t2): Set terminate handler.
11101
11102 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11103
11104         PR 6584
11105         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11106         alignment.
11107
11108 2008-05-30  Cary Coutant  <ccoutant@google.com>
11109
11110         * archive.cc (Archive::include_all_members) Correct to step
11111         over symbol table and extended name table in thin archives.
11112
11113 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11114
11115         PR 6407
11116         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11117         calculation.
11118
11119 2008-05-28  Caleb Howe  <cshowe@google.com>
11120
11121         * reduced_debug_output.cc: New file.
11122         * reduced_debug_output.h: New file.
11123         * options.h (class General_options): Add --strip-debug-non-line.
11124         * options.cc (General_options::finalize): Add strip_debug_non_line
11125         to the strip heirarchy.
11126         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11127         fields.
11128         * layout.cc: Include "reduced_debug_output.h".
11129         (Layout::Layout): Initialize new fields.
11130         (line_only_debug_sections): New static array.
11131         (is_lines_only_debug_sections): New static inline function.
11132         (Layout::include_section): Handle --strip-debug-non-line.
11133         (Layout::make_output_section): If --strip-debug-non-line, build
11134         new output sections for .debug_abbrev and .debug_info.
11135         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11136         gold.  Warn about possible overflow.
11137         (read_signed_LEB_128): Likewise.
11138         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11139         (read_signed_LEB_128): Declare.
11140         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11141         (HFILES): Add reduced_debug_output.h.
11142         * Makefile.in: Rebuild.
11143
11144 2008-05-21  Ian Lance Taylor  <iant@google.com>
11145
11146         * mapfile.cc: New file.
11147         * mapfile.h: New file.
11148         * options.h (class General_options): Add -M/--print-map and -Map.
11149         * options.cc (General_options::finalize): Make -M equivalent to
11150         -Map -.
11151         * main.cc: Include <cstdio> and "mapfile.h".
11152         (main): Open mapfile if requested.
11153         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11154         constructor.  Change caller.
11155         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11156         (queue_middle_tasks): Likewise.
11157         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11158         declarations.
11159         * archive.cc: Include "mapfile.h".
11160         (Archive::add_symbols): Add mapfile parameter.  Change all
11161         callers.  Pass mapfile, symbol, and reason to include_member.
11162         (Archive::include_all_members): Add mapfile parameter.  Change all
11163         callers.
11164         (Archive::include_member): Add mapfile, sym, and why parameters.
11165         Change all callers.  Report inclusion to map file.
11166         * archive.h: Include "fileread.h".
11167         (class Archive): Update declarations.
11168         (Archive::file): New const method.
11169         (class Add_archive_symbols): Add mapfile_ field.  Update
11170         constructor.  Change all callers.
11171         * readsyms.h (class Read_symbols): Likewise.
11172         (class Finish_group): Likewise.
11173         (class Read_script): Likewise.
11174         * common.cc: Include "mapfile.h".
11175         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11176         all callers.
11177         (Symbol_table::do_allocate_commons): Likewise.
11178         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11179         symbol allocation to mapfile.
11180         * common.h (class Allocate_commons_task): Add mapfile_ field.
11181         Update constructor.  Change all callers.
11182         * symtab.h (class Symbol_table): Update declarations.
11183         * layout.cc: Include "mapfile.h".
11184         (Layout_task_runner::run): Print information to mapfile.
11185         (Layout::create_gold_note): Change Output_data_fixed_space to
11186         Output_data_zero_fill.
11187         (Layout::create_build_id): Likewise.
11188         (Layout::print_to_mapfile): New function.
11189         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11190         constructor.  Change caller.
11191         (class Layout): Declare print_to_mapfile.
11192         * output.cc (Output_section::Input_section::print_to_mapfile): New
11193         function.
11194         (Output_section::add_input_section): If producing a map, always
11195         add to input_sections_ list.
11196         (Output_section::do_print_to_mapfile): New function.
11197         (Output_segment::print_sections_to_mapfile): New function.
11198         (Output_segment::print_section_list_to_mapfile): New function.
11199         * output.h: Include "mapfile.h".
11200         (Output_data::print_to_mapfile): New function.
11201         (Output_data::do_print_to_mapfile): New virtual function.
11202         (Output_segment_headers::do_print_to_mapfile): New function.
11203         (Output_file_header::do_print_to_mapfile): New function.
11204         (Output_data_const::do_print_to_mapfile): New function.
11205         (class Output_data_const_buffer): Add map_name_ field.  Update
11206         constructor.  Change all callers.  Add do_print_to_mapfile
11207         function.
11208         (class Output_data_fixed_space): Likewise.
11209         (class Output_data_space): Likewise.
11210         (class Output_data_zero_fill): New class.
11211         (Output_data_strtab::do_print_to_mapfile): New function.
11212         (Output_data_reloc_base::do_print_to_mapfile): New function.
11213         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11214         (Output_data_group::do_print_to_mapfile): New function.
11215         (Output_data_got::do_print_to_mapfile): New function.
11216         (Output_data_dynamic::do_print_to_mapfile): New function.
11217         (Output_symtab_xindex::do_print_to_mapfile): New function.
11218         (class Output_section): Declare do_print_to_mapflie.  Declare
11219         print_to_mapfile in Input_section.
11220         (class Output_segment): Declare new functions.
11221         * object.h (Sized_relobj::symbol_count): New function.
11222         * script-sections.cc
11223         (Output_section_element_dot_assignment::set_section_addresses):
11224         Change Output_data_fixed_space to Output_data_zero_fill.
11225         (Output_data_expression::do_print_to_mapfile): New function.
11226         * script.cc (read_input_script): Add mapfile parameter.  Change
11227         all callers.
11228         * script.h (read_input_script): Update declaration.
11229         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11230         (Eh_frame::do_print_to_mapfile): New function.
11231         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11232         (Output_merge_string::do_print_to_mapfile): New function.
11233         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11234         function.
11235         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11236         function.
11237         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11238         function.
11239         * Makefile.am (CCFILES): Add mapfile.cc.
11240         (HFILES): Add mapfile.h.
11241         * Makefile.in: Rebuild.
11242
11243 2008-05-19  Ian Lance Taylor  <iant@google.com>
11244
11245         * options.h (class General_options): Add -z relro.
11246         * layout.cc (Layout::Layout): Initialize relro_segment_.
11247         (Layout::add_output_section_data): Return the output section.
11248         (Layout::make_output_section): Rcognize relro sections and mark
11249         them appropriately.
11250         (Layout::attach_allocated_section_to_segment): Put relro sections
11251         in a PT_GNU_RELRO segment.
11252         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11253         section as relro.
11254         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11255         PT_TLS segments.
11256         (Layout::linkonce_mapping): Map d.rel.ro.local to
11257         .data.rel.ro.local.
11258         (Layout::output_section_name): Us .data.rel.ro.local for any
11259         section which begins with that.
11260         * layout.h (class Layout): Update add_output_section_data
11261         declaration.  Add relro_segment_ field.
11262         * output.cc (Output_section::Output_section): Initialize is_relro_
11263         and is_relro_local_ fields.
11264         (Output_segment::add_output_section): Group relro sections.
11265         (Output_segment::is_first_section_relro): New function.
11266         (Output_segment::maximum_alignment): If there is a relro section,
11267         align the segment to the common page size.
11268         (Output_segment::set_section_addresses): Track whether we are
11269         looking at relro sections.  If the last section is a relro
11270         section, align to the common page size.
11271         (Output_segment::set_section_list_addresses): Add in_relro
11272         parameter.  Change all callers.  Align to the page size when
11273         moving from relro to non-relro section.
11274         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11275         segment.
11276         * output.h (class Output_section): Add is_relro_ and
11277         is_relro_local_ fields.
11278         (Output_section::is_relro): New function.
11279         (Output_section::set_is_relro): New function.
11280         (Output_section::is_relro_local): New function.
11281         (Output_section::set_is_relro_local): New function.
11282         (class Output_segment): Update declarations.
11283         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11284         * sparc.cc (Target_sparc::got_section): Likewise.
11285         * x86_64.cc (Target_x86_64::got_section): Likewise.
11286         * testsuite/relro_test_main.cc: New file.
11287         * testsuite/relro_test.cc: New file.
11288         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11289         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11290         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11291         (relro_test.so, relro_test_pic.o): New targets.
11292         * testsuite/Makefile.in: Rebuild.
11293
11294 2008-05-16  Ian Lance Taylor  <iant@google.com>
11295
11296         * output.cc (Output_segment::add_output_section): Remove front
11297         parameter.
11298         * output.h (class Output_segment): Remove
11299         add_initial_output_section and overloaded add_output_section.
11300         Update declaration of remaining add_output_section.
11301         * layout.cc (Layout::create_interp): Call add_output_section
11302         rather than add_initial_output_section.
11303         (Layout::finish_dynamic_section): Likewise.
11304
11305         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11306         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11307         know the dynamic type.
11308         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11309         field.  Initialize it in constructor.
11310         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11311         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11312         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11313         reloc.
11314
11315         * output.cc (Output_reloc::get_address): Change return type to
11316         Elf_Addr.
11317         * output.h (class Output_reloc): Update get_address declaration.
11318         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11319         for section addresses.
11320
11321 2008-05-09  Ian Lance Taylor  <iant@google.com>
11322
11323         PR 6493
11324         * gold.cc (gold_nomem): Use return value of write.
11325
11326 2008-05-08  Ian Lance Taylor  <iant@google.com>
11327
11328         * symtab.c (Symbol::init_base_output_data): Add version
11329         parameter.  Change all callers.
11330         (Symbol::init_base_output_segment): Likewise.
11331         (Symbol::init_base_constant): Likewise.
11332         (Symbol::init_base_undefined): Likewise.
11333         (Sized_symbol::init_output_data): Likewise.
11334         (Sized_symbol::init_output_segment): Likewise.
11335         (Sized_symbol::init_constant): Likewise.
11336         (Sized_symbol::init_undefined): Likewise.
11337         (Symbol_table::do_define_in_output_data): If the new symbol has a
11338         version, mark it as the default.
11339         (Symbol_table::do_define_in_output_segment): Likewise.
11340         (Symbol_table::do_define_as_constant): Likewise.
11341         * symtab.h (class Symbol): Update declarations.
11342         (class Sized_symbol): Likewise.
11343         * resolve.cc (Symbol::override_version): New function.
11344         (Symbol::override_base): Call override_version.
11345         (Symbol::override_base_with_special): Likewise.
11346         * testsuite/ver_script_8.script: New file.
11347         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11348         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11349         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11350         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11351
11352 2008-05-06  Ian Lance Taylor  <iant@google.com>
11353
11354         PR 6049
11355         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11356         functions.
11357         (class General_options): Remove existing --undefined, and add
11358         --no-undefined instead.  Add new --undefined as synonym for -u.
11359         * archive.cc (Archive::add_symbols): Check whether symbol was
11360         named with -u.
11361         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11362         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11363         all uses.  Add IS_UNDEFINED.  Update declarations to split
11364         different versions of init_base.  Declare init_base_undefined.
11365         (Symbol::is_defined): Handle IS_UNDEFINED.
11366         (Symbol::is_undefined): Likewise.
11367         (Symbol::is_weak_undefined): Call is_undefined.
11368         (Symbol::is_absolute): Handle IS_CONSTANT.
11369         (class Sized_symbol): Update declarations to split different
11370         versions of init.  Declare init_undefined.
11371         (class Symbol_table): Declare new functions.
11372         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11373         Change all callers.
11374         (Symbol::init_base_output_data): Likewise.
11375         (Symbol::init_base_output_segment): Likewise.
11376         (Symbol::init_base_constant): Likewise.
11377         (Symbol::init_base_undefined): New function.
11378         (Sized_symbol::init_object): Rename from init.  Change all
11379         callers.
11380         (Sized_symbol::init_output_data): Likewise.
11381         (Sized_symbol::init_output_segment): Likewise.
11382         (Sized_symbol::init_constant): Likewise.
11383         (Sized_symbol::init_undefined): New function.
11384         (Symbol_table::add_undefined_symbols_from_command_line): New
11385         function.
11386         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11387         function.
11388         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11389         (Symbol::output_section): Likewise.
11390         (Symbol::set_output_section): Likewise.
11391         (Symbol_table::sized_finalize_symbol): Likewise.
11392         (Symbol_table::sized_write_globals): Likewise.
11393         * resolve.cc (Symbol_table::should_override): Likewise.
11394         (Symbol::override_base_with_special): Likewise.
11395
11396         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11397         symbol, change it to have default visibility.
11398         * testsuite/protected_1.cc: New file.
11399         * testsuite/protected_2.cc: New file.
11400         * testsuite/protected_3.cc: New file.
11401         * testsuite/protected_main_1.cc: New file.
11402         * testsuite/protected_main_2.cc: New file.
11403         * testsuite/protected_main_3.cc: New file.
11404         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11405         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11406         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11407         (protected_1.so): New target.
11408         (protected_1_pic.o, protected_2_pic.o): New targets.
11409         (protected_3_pic.o): New target.
11410         (check_PROGRAMS): Add protected_2.
11411         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11412         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11413         * testsuite/Makefile.in: Rebuild.
11414
11415         * options.h (DEFINE_var): Add set_user_set_##varname__.
11416         (DEFINE_bool_alias): New macro.
11417         (class General_options): Define -Bstatic using DEFINE_bool_alias
11418         rather than DEFINE_special.  Add --undefined as an alias for -z
11419         defs.
11420         * options.cc (General_options::parse_Bstatic): Remove.
11421
11422         * options.h (class General_options): Add --fatal-warnings.
11423         * main.cc (main): Implement --fatal-warnings.
11424         * errors.h (Errors::warning_count): New function.
11425
11426         * options.h (class General_options): Add -Bsymbolic-functions.
11427         * symtab.h (Symbol::is_preemptible): Check for
11428         -Bsymbolic-functions.
11429
11430 2008-05-05  Ian Lance Taylor  <iant@google.com>
11431
11432         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11433         as noVARNAME rather than no-VARNAME.
11434         (class General_options): Add option -z combreloc.
11435         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11436         get_address.
11437         (Output_reloc::sort_before) [SHT_REL]: New function.
11438         (Output_reloc::sort_before) [SHT_RELA]: New function.
11439         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11440         Sort_relocs_comparison.
11441         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11442         parameter.  Change all callers.
11443         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11444         sort_relocs parameter.  Change all callers.
11445         * output.cc (Output_reloc::get_address): New function, broken out
11446         of write_rel.
11447         (Output_reloc::write_rel): Call it.
11448         (Output_reloc::compare): New function.
11449         (Output_data_reloc_base::do_write): Optionally sort relocs.
11450
11451         * configure.ac: If targ_extra_obj is set, link it in.
11452         * configure.tgt: Initialize all variables.
11453         (x86_64*): Set targ_extra_obj and targ_extra_size.
11454         * configure: Rebuild.
11455
11456         * object.cc (Sized_relobj::include_section_group): Adjust section
11457         indexes read from group data.  Build vector to pass to
11458         layout_group.
11459         * layout.cc (Layout::layout_group): Add flags and shndxes
11460         parameters.  Remove contents parameter.  Change caller.  Update
11461         explicit instantiations.
11462         * layout.h (class Layout): Update layout_group declaration.
11463         * output.cc (Output_data_group::Output_data_group): Add flags and
11464         input_shndxes parameters.  Remove contents parameter.  Change
11465         caller.
11466         (Output_data_group::do_write): Change input_sections_ to
11467         input_shndxes_.
11468         * output.h (class Output_data_group): Update constructor
11469         declaration.  Rename input_sections_ to input_shndxes_.
11470         * testsuite/many_sections_test.cc: Add template.
11471
11472 2008-04-30  Cary Coutant  <ccoutant@google.com>
11473
11474         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11475
11476         * layout.cc (Layout::include_section): Refactored check for debug
11477         info section.
11478         (Layout::add_comdat): Add new parameters.  Change type
11479         of signature parameter.  Add object and shndx to signatures table.
11480         (Layout::find_kept_object): New function.
11481         * layout.h: Include <cstring>.
11482         (Layout::is_debug_info_section): New function.
11483         (Layout::add_comdat): Add new parameters.
11484         (Layout::find_kept_object): New function.
11485         (Layout::Kept_section): New struct.
11486         (Layout::Signatures): Change type of map range.
11487         * object.cc (Relobj::output_section_address): New function.
11488         (Sized_relobj::include_section_group): Add new parameters.  Change
11489         calls to Layout::add_comdat.  Change to build table of kept comdat
11490         groups and table mapping discarded sections to kept sections.
11491         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11492         (Sized_relobj::do_layout): Change calls to include_section_group and
11493         include_linkonce_section.
11494         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11495         value to zero when section is discarded.
11496         (Sized_relobj::map_to_kept_section): New function.
11497         * object.h (Relobj::output_section_address): New function.
11498         (Relobj::Comdat_group): New type.
11499         (Relobj::find_comdat_group): New function.
11500         (Relobj::Comdat_group_table): New type.
11501         (Relobj::Kept_comdat_section): New type.
11502         (Relobj::Kept_comdat_section_table): New type.
11503         (Relobj::add_comdat_group): New function.
11504         (Relobj::set_kept_comdat_section): New function.
11505         (Relobj::get_kept_comdat_section): New function.
11506         (Relobj::comdat_groups_): New field.
11507         (Relobj::kept_comdat_sections_): New field.
11508         (Symbol_value::input_value): Update comment.
11509         (Sized_relobj::map_to_kept_section) New function.
11510         (Sized_relobj::include_linkonce_section): Add new parameter.
11511         * target-reloc.h (Comdat_behavior): New type.
11512         (get_comdat_behavior): New function.
11513         (relocate_section): Add code to map a discarded section to the
11514         corresponding kept section when applying a relocation.
11515
11516 2008-04-30  Craig Silverstein  <csilvers@google.com>
11517
11518         * dwarf_reader.cc (next_generation_count): New static var.
11519         (Addr2line_cache_entry): New struct.
11520         (addr2line_cache): New static var.
11521         (Dwarf_line_info::one_addr2line): Added caching.
11522         (Dwarf_line_info::clear_addr2line_cache): New function.
11523         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11524         cache-size parameter.
11525         (Dwarf_line_info::one_addr2line_cache): New function.
11526         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11527         new cache-size argument to one_addr2line(), and clear cache.
11528
11529 2008-04-28  Cary Coutant  <ccoutant@google.com>
11530
11531         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11532         R_386_PC8 relocations.
11533
11534 2008-04-23  Ian Lance Taylor  <iant@google.com>
11535
11536         * object.cc (Sized_relobj::include_section_group): Check for
11537         invalid section group.
11538
11539         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11540         header size.
11541
11542         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11543         than read for file header.
11544         * archive.cc (Archive::include_member): Likewise.
11545
11546 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11547
11548         * aclocal.m4: Regenerate.
11549         * configure: Regenerate.
11550
11551 2008-04-19  Ian Lance Taylor  <iant@google.com>
11552
11553         * version.cc (version_string): Bump to 1.6.
11554
11555         * testsuite/Makefile.am (many_sections_r_test): New target.
11556         (many_sections_r_test_SOURCES): Remove.
11557         (many_sections_r_test_DEPENDENCIES): Remove.
11558         (many_sections_r_test_LDFLAGS): Remove.
11559         (many_sections_r_test_LDADD): Remove.
11560
11561         * object.cc (Sized_relobj::do_add_symbols): Always pass
11562         local_symbol_count_ to add_from_relobj.
11563
11564         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11565         every thousand variables.
11566         * testsuite/Makefile.in: Rebuild.
11567
11568         * object.cc (Xindex::initialize_symtab_xindex): New function.
11569         (Xindex::read_symtab_xindex): New function.
11570         (Xindex::sym_xindex_to_shndx): New function.
11571         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11572         available.
11573         (Sized_relobj::do_initialize_xindex): New function.
11574         (Sized_relobj::do_read_symbols): Adjust section links.
11575         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11576         parameter.  Change all callers.
11577         (Sized_relobj::include_section_group): Adjust section links and
11578         symbol section indexes.
11579         (Sized_relobj::do_layout): Adjust section links.
11580         (Sized_relobj::do_count_local_symbols): Adjust section links and
11581         symbol section indexes.
11582         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11583         ordinary and special symbols.
11584         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11585         dynsym_xindex parameters.  Change all callers.  Adjust section
11586         links.  Use SHN_XINDEX when needed.
11587         (Sized_relobj::get_symbol_location_info): Adjust section links.
11588         Don't get fooled by special symbols.
11589         * object.h (class Xindex): Define.
11590         (class Object): Add xindex_ parameter.  Declare virtual functoin
11591         do_initialize_xindex.
11592         (Object::adjust_sym_shndx): New function.
11593         (Object::set_xindex): New protected function.
11594         (class Symbol_value): Add is_ordinary_shndx_ field.
11595         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11596         (Symbol_value::value): Assert ordinary section.
11597         (Symbol_value::initialize_input_to_output_map): Likewise.
11598         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11599         Change all callers.
11600         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11601         all callers.
11602         (class Sized_relobj): Update declarations.
11603         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11604         parameter.  Change all callers.
11605         (Sized_relobj::adjust_shndx): New function.
11606         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11607         field.
11608         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11609         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11610         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11611         (Sized_dynobj::read_dynsym_section): Adjust section links.
11612         (Sized_dynobj::read_dynamic): Likewise.
11613         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11614         section links.
11615         (Sized_dynobj::do_initialize_xindex): New function.
11616         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11617         do_initialize_xindex.
11618         (Sized_dynobj::adjust_shndx): New function.
11619         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11620         dynsym_xindex_ fields.
11621         (Layout::finalize): Add a call to set_section_indexes before
11622         creating the symtab sections.
11623         (Layout::set_section_indexes): Don't do anything if the section
11624         already has a section index.
11625         (Layout::create_symtab_sections): Add shnum parameter.  Change
11626         caller.  Create .symtab_shndx section if needed.
11627         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11628         caller.
11629         (Layout::allocated_output_section_count): New function.
11630         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11631         needed.
11632         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11633         fields.  Update declarations.
11634         (Layout::symtab_xindex): New function.
11635         (Layout::dynsym_xindex): New function.
11636         (class Write_symbols_task): Add layout_ field.
11637         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11638         Change caller.
11639         * output.cc (Output_section_headers::Output_section_headers): Add
11640         shstrtab_section parameter.  Change all callers.
11641         (Output_section_headers::do_sized_write): Store overflow values
11642         for section count and section string table section index in
11643         section header zero.
11644         (Output_file_header::do_sized_write): Check for overflow of
11645         section count and section string table section index.
11646         (Output_symtab_xindex::do_write): New function.
11647         (Output_symtab_xindex::endian_do_write): New function.
11648         * output.h (class Output_section_headers): Add shstrtab_section_.
11649         Update declarations.
11650         (class Output_symtab_xindex): Define.
11651         (Output_section::has_out_shndx): New function.
11652         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11653         field.
11654         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11655         Change all callers.
11656         (Sized_symbol::init): Likewise.
11657         (Symbol::output_section): Check for ordinary symbol.
11658         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11659         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11660         callers.
11661         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11662         Change all callers.  Simplify handling of symbols from sections
11663         not included in the link.
11664         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11665         distinction.
11666         (Weak_alias_sorter::operator()): Assert that symbols are
11667         ordinary.
11668         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11669         distinction.
11670         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11671         parameters.  Change all callers.
11672         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11673         symbol distinction.  Use SHN_XINDEX when needed.
11674         (Symbol_table::write_section_symbol): Add symtab_xindex
11675         parameter.  Change all callers.
11676         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11677         SHN_XINDEX when needed.
11678         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11679         declarations.
11680         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11681         (Symbol::is_defined): Check is_ordinary.
11682         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11683         (Symbol::is_absolute, Symbol::is_common): Likewise.
11684         (class Sized_symbol): Update declarations.
11685         (class Symbol_table): Update declarations.
11686         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11687         parameters.  Change all callers.
11688         (Sized_symbol::override): Likewise.
11689         (Symbol_table::override): Likewise.
11690         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11691         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11692         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11693         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11694         to be in an ordinary section.
11695         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11696         object and is_ordinary parameters.  Change all callers.
11697         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11698         Change all callers.  Don't add undefined or non-ordinary symbols
11699         to reloc_map_.
11700         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11701         Change all callers.
11702         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11703         declarations.
11704         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11705         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11706         (Sized_relobj::relocate_sections): Likewise.
11707         * target-reloc.h (scan_relocs): Adjust section symbol index.
11708         (scan_relocatable_relocs): Likewise.
11709         * i386.cc (Scan::local): Check for ordinary symbols.
11710         * sparc.cc (Scan::local): Likewise.
11711         * x86_64.cc (Scan::local): Likewise.
11712         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11713         to symbol_section_and_value.
11714         * testsuite/many_sections_test.cc: New file.
11715         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11716         (check_PROGRAMS): Add many_sections_test.
11717         (many_sections_test_SOURCES): Define.
11718         (many_sections_test_DEPENDENCIES): Define.
11719         (many_sections_test_LDFLAGS): Define.
11720         (BUILT_SOURCES): Add many_sections_define.h.
11721         (many_sections_define.h): New target.
11722         (BUILT_SOURCES): Add many_sections_check.h.
11723         (many_sections_check.h): New target.
11724         (check_PROGRAMS): Add many_sections_r_test.
11725         (many_sections_r_test_SOURCES): Define.
11726         (many_sections_r_test_DEPENDENCIES): Define.
11727         (many_sections_r_test_LDFLAGS): Define.
11728         (many_sections_r_test_LDADD): Define.
11729         (many_sections_r_test.o): New target.
11730         * testsuite/Makefile.in: Rebuild.
11731
11732 2008-04-17  Cary Coutant  <ccoutant@google.com>
11733
11734         * errors.cc (Errors::info): New function.
11735         (gold_info): New function.
11736         * errors.h (Errors::info): New function.
11737         * gold.h (gold_info): New function.
11738         * object.cc (Input_objects::add_object): Print trace output.
11739         * options.cc (options::parse_set): New function.
11740         (General_options::parse_wrap): Deleted.
11741         (General_options::General_options): Deleted initializer.
11742         * options.h (options::String_set): New typedef.
11743         (options::parse_set): New function.
11744         (DEFINE_set): New macro.
11745         (General_options::wrap): Changed to use DEFINE_set. Changed
11746         callers of any_wrap_symbols and is_wrap_symbol.
11747         (General_options::trace, General_options::trace_symbol):
11748         New options.
11749         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11750         (General_options::wrap_symbols_): Deleted.
11751         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11752
11753 2008-04-17  David S. Miller  <davem@davemloft.net>
11754
11755         * options.cc (General_options::parse_V): New function.
11756         * options.h: Add entries for -V and -Qy.
11757
11758 2008-04-17  Ian Lance Taylor  <iant@google.com>
11759
11760         * common.cc (Symbol_table::allocate_commons): Remove options
11761         parameter.  Change caller.
11762         (Symbol_table::do_allocate_commons): Remove options parameter.
11763         Change caller.  Just call do_allocate_commons_list twice.
11764         (Symbol_table::do_allocate_commons_list): New function, broken out
11765         of do_allocate_commons.
11766         * common.h (class Allocate_commons_task): Remove options_ field.
11767         Update constructor.
11768         * symtab.cc (Symbol_table::Symbol_table): Initialize
11769         tls_commons_.
11770         (Symbol_table::add_from_object): Put TLS common symbols on
11771         tls_commons_ list.
11772         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11773         which are IN_OUTPUT_DATA.
11774         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11775         allocate_commons and do_allocate_commons declarations.  Declare
11776         do_allocate_commons_list.
11777         * gold.cc (queue_middle_tasks): Update creation of
11778         Allocate_commons_task to not pass options.
11779         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11780         (TLS_TEST_C_FLAGS): New variable.
11781         (tls_test_c_pic.o): New target.
11782         (tls_test_shared.so): Link in tls_test_c_pic.o.
11783         (tls_test_c_pic_ie.o): New target.
11784         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11785         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11786         (tls_test_c.o): New target.
11787         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11788         (tls_pic_test_LDADD): Likewise.
11789         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11790         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11791         (tls_test_c_gnu2.o): New target.
11792         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11793         tls_test_c_gnu2.o.
11794         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11795         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11796         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11797         * testsuite/tls_test.cc: Include "config.h".
11798         (t_last): Call t11_last.
11799         * testsuite/tls_test.h (t11, t11_last): Declare.
11800         * testsuite/tls_test_c.c: New file.
11801         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11802         * configure.ac: Check for OpenMP support.
11803         * configure, config.in, Makefile.in: Rebuild.
11804         * testsuite/Makefile.in: Rebuild.
11805
11806 2008-04-16  Cary Coutant  <ccoutant@google.com>
11807
11808         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11809         (Target_i386::tls_base_symbol_defined_): New field.
11810         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11811         (Target_i386::Scan::global): Likewise.
11812         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11813         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11814         (Target_x86_64::tls_base_symbol_defined_): New field.
11815         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11816         (Target_x86_64::Scan::global): Likewise.
11817
11818 2008-04-16  Cary Coutant  <ccoutant@google.com>
11819
11820         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11821         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11822         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11823         building shared libraries.
11824         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11825         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11826         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11827         * testsuite/Makefile.in: Rebuild.
11828         * testsuite/weak_undef.h: New file.
11829         * testsuite/weak_undef_file1.cc: Add extra test cases.
11830         * testsuite/weak_undef_file2.cc: Likewise.
11831         * testsuite/weak_undef_test.cc: Likewise.
11832
11833 2008-04-16  David S. Miller  <davem@davemloft.net>
11834
11835         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11836         Add issued_non_pic_error_ field.  Declare check_non_pic.
11837         (Target_sparc::Scan::check_non_pic): New function.
11838         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11839         (Target_sparc::Scan::global): Likewise.
11840
11841         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11842         * configure: Rebuild.
11843
11844         * options.h (DEFINE_enable): New macro.
11845         (new_dtags): New enable option.
11846         (initfirst, interpose, loadfltr, nodefaultlib,
11847         nodelete, nodlopen, nodump): New -z options.
11848         * layout.cc (Layout:finish_dynamic_section): If new
11849         dtags enabled, emit DT_RUNPATH.  Also, emit a
11850         DT_FLAGS_1 containing any specified -z flags.
11851
11852 2008-04-16  Ian Lance Taylor  <iant@google.com>
11853
11854         * copy-relocs.cc: New file.
11855         * copy-relocs.h: New file.
11856         * reloc.cc: Remove Copy_relocs code.
11857         * reloc.h: Likewise.
11858         * reloc-types.h (struct Reloc_types) [both versions]: Add
11859         get_reloc_addend_noerror.
11860         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11861         variants of add_global which take an addend which must be zero.
11862         * i386.cc: Include "copy-relocs.h".
11863         (class Target_i386): Change type of copy_relocs_ to variable,
11864         update initializer.
11865         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11866         Change all callers.
11867         (Target_i386::do_finalize_sections): Change handling of
11868         copy_relocs_.
11869         * sparc.cc: Include "copy-relocs.h".
11870         (class Target_sparc): Change type of copy_relocs_ to variable,
11871         update initializer.
11872         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11873         Change all callers.
11874         (Target_sparc::do_finalize_sections): Change handling of
11875         copy_relocs_.
11876         * x86_64.cc: Include "copy-relocs.h".
11877         (class Target_x86_64): Change type of copy_relocs_ to variable,
11878         update initializer.
11879         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11880         class.  Change all callers.
11881         (Target_x86_64::do_finalize_sections): Change handling of
11882         copy_relocs_.
11883         * Makefile.am (CCFILES): Add copy-relocs.cc.
11884         (HFILES): Add copy-relocs.h.
11885
11886         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11887
11888         * testsuite/script_test_4.sh: Permit leading zeroes.
11889
11890 2008-04-15  Ian Lance Taylor  <iant@google.com>
11891
11892         * script-sections.cc (Script_sections::create_segments): Use
11893         header_size_adjustment even when there is enough room for the
11894         headers.
11895         * testsuite/script_test_4.sh: New file.
11896         * testsuite/script_test_4.t: New file.
11897         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11898         (check_DATA): Add script_test_4.stdout.
11899         (MOSTLYCLEANFILES): Likewise.
11900         (script_test_4): New target.
11901         (script_test_4.stdout): New target.
11902         * testsuite/Makefile.in: Rebuild.
11903
11904         * sparc.cc: Add definitions for Output_data_plt_sparc class
11905         constants.
11906
11907 2008-04-14  David S. Miller  <davem@davemloft.net>
11908
11909         * sparc.cc: New file.
11910         * Makefile.am (TARGETSOURCES): Add sparc.cc
11911         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11912         * configure.tgt: Document targ_extra_size and
11913         targ_extra_big_endian.  Add entries for sparc-* and
11914         sparc64-*.
11915         * configure.ac: Handle targ_extra_size and
11916         targ_extra_big_endian.
11917         * Makefile.in: Rebuild.
11918         * configure: Likewise.
11919         * po/POTFILES.in: Likewise.
11920         * po/gold.pot: Likewise.
11921
11922 2008-04-14  Ian Lance Taylor  <iant@google.com>
11923
11924         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11925         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11926         in the name/type/flags to section mapping.  Don't call
11927         allocate_output_section.
11928         (Layout::choose_output_section): Change parameter from adjust_name
11929         to is_input_section.  Don't permit input sections after sections
11930         are attached to segments.  Don't call allocate_output_section.
11931         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11932         not write_enable_output_section.
11933         (Layout::make_output_section): Don't push to
11934         unattached_section_list_ nor call attach_to_segment.  Call
11935         attach_section_to_segment if sections are attached.
11936         (Layout::attach_sections_to_segments): New function.
11937         (Layout::attach_section_to_segment): New function.
11938         (Layout::attach_allocated_section_to_segment): Rename from
11939         attach_to_segment.  Remove flags parameter.
11940         (Layout::allocate_output_section): Remove function.
11941         (Layout::write_enable_output_section): Remove function.
11942         * layout.h (class Layout): Update for above changes.  Add new
11943         field sections_are_attached_.
11944         * output.h (Output_section::update_flags_for_input_section): New
11945         function.
11946         * output.cc (Output_section::add_input_section): Call
11947         update_flags_for_input_section.
11948         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11949
11950 2008-04-11  Cary Coutant  <ccoutant@google.com>
11951
11952         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11953         thought unnecessary.
11954         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11955
11956 2008-04-11  Ian Lance Taylor  <iant@google.com>
11957
11958         * output.h (class Output_section_data): Remove inline definition
11959         of set_addralign.
11960         * output.cc (Output_section_data::set_addralign): New function.
11961
11962 2008-04-11  Cary Coutant  <ccoutant@google.com>
11963
11964         Add support for TLS descriptors for i386 and x86_64.
11965         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11966         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11967         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11968         GOT_TYPE_TLS_DESC.
11969         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11970         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11971         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11972         relocations.
11973         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11974         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11975         Fix problem with initial-exec relocations.
11976         (Target_i386::Relocate::relocate_tls): Likewise.
11977         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11978         relaxation.
11979         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11980         support for section-plus-offset dynamic table entries.
11981         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11982         (Output_data_dynamic::Dynamic_entry): Add support for
11983         section-plus-offset dynamic table entries.
11984         (Output_data_dynamic::Classification): Likewise.
11985         (Output_data_dynamic::classification_): Renamed offset_.
11986         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11987         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11988         (Target_x86_64::make_plt_section): New function.
11989         (Target_x86_64::reserve_tlsdesc_entries): New function.
11990         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11991         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11992         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11993         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11994         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11995         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11996         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11997         add extra PLT entry for TLS descriptors.
11998         (Output_data_plt_x86_64::got_): New field.
11999         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
12000         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
12001         fields.
12002         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
12003         descriptors.
12004         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12005         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12006         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12007         R_386_TLS_DESC_CALL relocations.
12008         (Target_x86_64::Scan::global): Likewise.
12009         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12010         for TLS descriptors.
12011         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12012         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12013         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12014         GD-to-IE relaxation.
12015         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12016         and TLS_DESCRIPTORS.
12017         * Makefile.in: Rebuild.
12018         * configure: Rebuild.
12019         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12020         (tls_test_shared2.so): New target.
12021         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12022         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12023         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12024         (tls_shared_gd_to_ie_test_LDADD): New variable.
12025         (tls_shared_gnu2_gd_to_ie_test): New target.
12026         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12027         New targets.
12028         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12029         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12030         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12031         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12032         (tls_shared_gnu2_test): New target.
12033         (tls_test_gnu2_shared.so): New target.
12034         (tls_shared_gnu2_test_SOURCES): New variable.
12035         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12036         (tls_shared_gnu2_test_LDFLAGS): New variable.
12037         (tls_shared_gnu2_test_LDADD): New variable.
12038         * testsuite/Makefile.in: Rebuild.
12039         * testsuite/Makefile.
12040
12041 2008-04-11  Ian Lance Taylor  <iant@google.com>
12042
12043         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12044         justsyms.t.
12045         * testsuite/Makefile.in: Rebuild.
12046
12047         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12048         long.
12049         * testsuite/script_test_2.cc (main): Adjust test.
12050
12051 2008-04-11  David S. Miller  <davem@davemloft.net>
12052             Ian Lance Taylor  <iant@google.com>
12053
12054         * options.h (General_options): Add entries for '-Y' and
12055         '-relax'.
12056         * options.cc (General_options:finalize): If -Y was used, add those
12057         entries to the library path instead of the default "/lib" and
12058         "/usr/lib".
12059
12060 2008-04-11  David S. Miller  <davem@davemloft.net>
12061
12062         * testsuite/justsyms.t: Start at 0x100.
12063         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12064         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12065         long.
12066         * testsuite/script_test_2.cc: Adjust string and section length
12067         checks.
12068
12069 2008-04-09  Ian Lance Taylor  <iant@google.com>
12070
12071         PR gold/5996
12072         * script-sections.cc (Sections_element::allocate_to_segment): Add
12073         orphan parameter.
12074         (Output_section_definition::allocate_to_segment): Likewise.
12075         (Orphan_output_section::allocate_to_segment): Likewise.
12076         (Script_sections::attach_sections_using_phdrs_clause): Don't
12077         propagate non-PT_LOAD segments to orphan sections.
12078         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12079         readelf rather than objdump.
12080         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12081         .interp section and PT_INTERP segment are the same size.
12082         * testsuite/Makefile.in: Rebuild.
12083
12084         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12085         aliases for symbols defined in the same object.
12086         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12087         (weak_alias_test_SOURCES): New variable.
12088         (weak_alias_test_DEPENDENCIES): New variable.
12089         (weak_alias_test_LDFLAGS): New variable.
12090         (weak_alias_test_LDADD): New variable.
12091         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12092         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12093         (weak_alias_test_3.o): New target.
12094         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12095         * testsuite/weak_alias_test_main.cc: New file.
12096         * testsuite/weak_alias_test_1.cc: New file.
12097         * testsuite/weak_alias_test_2.cc: New file.
12098         * testsuite/weak_alias_test_3.cc: New file.
12099
12100 2008-04-08  Ian Lance Taylor  <iant@google.com>
12101
12102         * options.h (class General_options): Add --noinhibit-exec option.
12103         * main.cc (main): Check --noinhibit-exec.
12104
12105         * options.h (class General_options): Define --wrap as a special
12106         option.  Add wrap_symbols_ field.
12107         (General_options::any_wrap_symbols): New function.
12108         (General_options::is_wrap_symbol): New function.
12109         * options.cc (General_options::parse_wrap): New function.
12110         (General_options::General_options): Initialize wrap_symbols_.
12111         * symtab.cc (Symbol_table::wrap_symbol): New function.
12112         (Symbol_table::add_from_object): Handle --wrap.
12113         * symtab.h (class Symbol_table): Declare wrap_symbol.
12114         * target.h (Target::wrap_char): New function.
12115         (Target::Target_info): Add wrap_char field.
12116         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12117         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12118         * testsuite/testfile.cc (Target_test::test_target_info):
12119         Likewise.
12120
12121         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12122         there is one.
12123
12124         * layout.h (class Layout): Add added_eh_frame_data_ field.
12125         * layout.cc (Layout::Layout): Initialize new field.
12126         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12127         output section until we find a section we merged successfully.
12128         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12129         that the size be non-zero.
12130
12131         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12132         qualifier.
12133
12134 2008-04-08  Craig Silverstein  <csilvers@google.com>
12135
12136         * configure.ac: Export new conditional variable HAVE_ZLIB.
12137         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12138         on HAVE_ZLIB.
12139         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12140         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12141
12142 2008-04-07  Ian Lance Taylor  <iant@google.com>
12143
12144         * version.cc (version_string): Set to "1.5".
12145
12146         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12147         Add issued_non_pic_error_ field.  Declare check_non_pic.
12148         (Target_x86_64::Scan::check_non_pic): New function.
12149         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12150         (Target_x86_64::Scan::global): Likewise.
12151
12152         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12153         addend parameter.  Change caller.  Handle merge sections.
12154         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12155         Address to Addend.  Don't add in the result of
12156         local_section_offset, pass down the addend and use the returned
12157         value.
12158         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12159         Update declarations of local_section_offset and symbol_value.
12160         * testsuite/two_file_test_1.cc (t18): New function.
12161         * testsuite/two_file_test_2.cc (f18): New function.
12162         * testsuite/two_file_test_main.cc (main): Call t18.
12163         * testsuite/two_file_test.h (t18, f18): Declare.
12164
12165         * configure.ac: Don't test for objdump, c++filt, or readelf.
12166         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12167         conditionals.
12168         (TEST_READELF): New variable.
12169         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12170         (check_PROGRAMS): Add two_file_strip_test.
12171         (two_file_strip_test): New target.
12172         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12173         (two_file_same_shared_strip_test_SOURCES): New variable.
12174         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12175         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12176         (two_file_same_shared_strip_test_LDADD): New variable.
12177         (two_file_shared_strip.so): New target.
12178         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12179         (ver_test_5.syms, ver_test_7.syms): Likewise.
12180         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12181         (strip_test_3.stdout): Use TEST_OBJDUMP.
12182         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12183
12184 2008-04-04  Cary Coutant  <ccoutant@google.com>
12185
12186         * symtab.h (Symbol::is_weak_undefined): New function.
12187         (Symbol::is_strong_undefined): New function.
12188         (Symbol::is_absolute): New function.
12189         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12190         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12191         absolute symbols.
12192         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12193         (weak_undef_test): New target.
12194         * testsuite/Makefile.in: Rebuild.
12195         * testsuite/weak_undef_file1.cc: New file.
12196         * testsuite/weak_undef_file2.cc: New file.
12197         * testsuite/weak_undef_test.cc: New file.
12198
12199 2008-04-03  Craig Silverstein  <csilvers@google.com>
12200
12201         * compressed_output.h (class Output_compressed_section): Use
12202         unsigned buffer.
12203         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12204         add zlib header.
12205         (zlib_compressed_suffix): Removed.
12206         (Output_compressed_section::set_final_data_size): Use unsigned
12207         buffers.
12208         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12209         Fix linker invocation.
12210         (flagstest_o_specialfile_and_compress_debug_sections):
12211         Likewise.
12212         * testsuite/Makefile.in: Regenerated.
12213
12214 2008-04-02  David S. Miller  <davem@davemloft.net>
12215
12216         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12217         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12218
12219 2008-04-02  Craig Silverstein  <csilvers@google.com>
12220
12221         * TODO: New file.
12222
12223 2008-04-02  Ian Lance Taylor  <iant@google.com>
12224
12225         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12226         parameters.  Update for new key type to views_.  Change all
12227         callers.
12228         (File_read::read): Adjust for byteshift in returned view.
12229         (File_read::add_view): New function, broken out of
12230         find_and_make_view.
12231         (File_read::make_view): New function, broken out of
12232         find_and_make_view.
12233         (File_read::find_or_make_view): Add offset and aligned
12234         parameters.  Rewrite accordingly.  Change all callers.
12235         (File_read::get_view): Add offset and aligned parameters.  Adjust
12236         for byteshift in return value.
12237         (File_read::get_lasting_view): Likewise.
12238         * fileread.h (class File_read): Update declarations.
12239         (class File_read::View): Add byteshift_ field.  Add byteshift to
12240         constructor.  Add byteshift method.
12241         * archive.h (Archive::clear_uncached_views): New function.
12242         (Archive::get_view): Add aligned parameter.  Change all callers.
12243         * object.h (Object::get_view): Add aligned parameter.  Change all
12244         callers.
12245         (Object::get_lasting_view): Likewise.
12246
12247         * fileread.cc (File_read::release): Don't call clear_views if
12248         there are multiple objects.
12249         * fileread.h (File_read::clear_uncached_views): New function.
12250         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12251         on the archive.
12252
12253 2008-03-31  Cary Coutant  <ccoutant@google.com>
12254
12255         Add thin archive support.
12256         * archive.cc (Archive::armagt): New const.
12257         (Archive::setup): Remove task parameter and calls to unlock.
12258         (Archive::unlock_nested_archives): New function.
12259         (Archive::read_header): Add nested_off parameter. Change
12260         all callers.
12261         (Archive::interpret_header): Likewise.
12262         (Archive::include_all_members): Change to handle thin
12263         archives.
12264         (Archive::include_member): Likewise.
12265         * archive.h (Archive::Archive): Add new parameters and
12266         initializers.
12267         (Archive::armagt): New const.
12268         (Archive::setup): Remove task parameter.
12269         (Archive::unlock_nested_archives): New function.
12270         (Archive::read_header): Add nested_off parameter.
12271         (Archive::interpret_header): Likewise.
12272         (Archive::Nested_archive_table): New typedef.
12273         (Archive::is_thin_archive_): New field.
12274         (Archive::nested_archives_): New field.
12275         (Archive::options_): New field.
12276         (Archive::dirpath_): New field.
12277         (Archive::task_): New field.
12278         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12279         for thin archives.  Pass additional parameters to
12280         Archive::Archive.  Unlock the archive file after calling
12281         Archive::setup.
12282
12283 2008-03-29  Ian Lance Taylor  <iant@google.com>
12284
12285         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12286         version symbol to be local.
12287         * testsuite/ver_test_4.sh: New file.
12288         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12289         (check_DATA): Add ver_test_4.syms.
12290         (ver_test_4.syms): New target.
12291         * testsuite/Makefile.in: Rebuild.
12292
12293         * output.cc
12294         (Output_section::Input_section_sort_entry::has_priority): New
12295         function.
12296         (Output_section::Input_section_sort_entry::match_file_name): New
12297         function.
12298         (Output_section::Input_section_sort_entry::match_section_name):
12299         Remove.
12300         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12301         Remove.
12302         (Output_section::Input_section_sort_entry::match_section_file):
12303         Remove.
12304         (Output_section::Input_section_sort_compare::operator()): Rewrite
12305         using new Input_section_sort_entry functions.  Sort crtbegin and
12306         crtend first.  Sort sections with no priority before sections with
12307         a priority.
12308         * testsuite/initpri1.c (d3): Check j != 4.
12309         (cd5): New constructor/destructor function.
12310         (main): Check j != 2.
12311
12312         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12313         new symbol when resolving, don't call set_is_default.
12314         * testsuite/ver_test_7.cc: New file.
12315         * testsuite/ver_test_7.sh: New file.
12316         * testsuite/Makefile.am (ver_test_7.so): New target.
12317         (ver_test_7.o): New target.
12318         (check_SCRIPTS): Add ver_test_7.sh.
12319         (check_DATA): Add ver_test_7.syms.
12320         (ver_test_7.syms): New target.
12321
12322 2008-03-28  Ian Lance Taylor  <iant@google.com>
12323
12324         * layout.cc (Layout::layout): If we see an input section with a
12325         name that needs sorting, set the must_sort flag for the output
12326         section.
12327         (Layout::make_output_section): If the name of the output section
12328         indicates that it might require sorting, set the may_sort flag.
12329         * output.h (Output_section::may_sort_attached_input_sections): New
12330         function.
12331         (Output_section::set_may_sort_attached_input_sections): New
12332         function.
12333         (Output_section::must_sort_attached_input_sections): New
12334         function.
12335         (Output_section::set_must_sort_attached_input_sections): New
12336         function.
12337         (class Output_section): Declare Input_section_sort_entry.  Define
12338         Input_section_sort_compare.  Declare
12339         sort_attached_input_sections.  Add new fields:
12340         may_sort_attached_input_sections_,
12341         must_sort_attached_input_sections_,
12342         attached_input_sections_are_sorted_.
12343         * output.cc (Output_section::Output_section): Initialize new
12344         fields.
12345         (Output_section::add_input_section): Add an entry to
12346         input_sections_ if may_sort or must_sort are true.
12347         (Output_section::set_final_data_size): Call
12348         sort_attached_input_sections if necessary.
12349         (Output_section::Input_section_sort_entry): Define new class.
12350         (Output_section::Input_section_sort_compare::operator()): New
12351         function.
12352         (Output_section::sort_attached_input_sections): New function.
12353         * configure.ac: Check whether the compiler supports constructor
12354         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12355         * testsuite/initpri1.c: New file.
12356         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12357         CONSTRUCTOR_PRIORITY.
12358         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12359         (initpri1_LDFLAGS): New variable.
12360         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12361
12362 2008-03-27  Ian Lance Taylor  <iant@google.com>
12363
12364         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12365         * testsuite/common_test_1.c: New file.
12366         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12367         (common_test_1_SOURCES): New variable.
12368         (common_test_1_DEPENDENCIES): New variable.
12369         (common_test_1_LDFLAGS): New variable.
12370
12371         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12372         and commons_ correctly when NAME/VERSION does not override
12373         NAME/NULL.
12374         * testsuite/ver_test_6.c: New file.
12375         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12376         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12377         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12378
12379 2008-03-26  Ian Lance Taylor  <iant@google.com>
12380
12381         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12382         of an undefined symbol from a version script.
12383         * testsuite/Makefile.am (ver_test_5.so): New target.
12384         (ver_test_5.o): New target.
12385         (check_SCRIPTS): Add ver_test_5.sh.
12386         (check_DATA): Add ver_test_5.syms.
12387         (ver_test_5.syms): New target.
12388         * testsuite/ver_test_5.cc: New file.
12389         * testsuite/ver_test_5.script: New file.
12390         * testsuite/ver_test_5.sh: New file.
12391         * Makefile.in, testsuite/Makefile.in: Rebuild.
12392
12393         PR gold/5986
12394         Fix problems building gold with gcc 4.3.0.
12395         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12396         (gold_error_at_location, gold_warning_at_location): Use it.
12397         * configure.ac: Check whether we can compile and use a template
12398         function with a printf attribute.
12399         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12400         when jumping over bytes.
12401         * object.cc: Instantiate Object::read_section_data.
12402         * debug.h: Include <cstring>
12403         * dwarf_reader.cc: Include <algorithm>
12404         * main.cc: Include <cstring>.
12405         * options.cc: Include <cstring>.
12406         * output.cc: Include <cstring>.
12407         * script.cc: Include <cstring>.
12408         * script.h: Include <string>.
12409         * symtab.cc: Include <cstring> and <algorithm>.
12410         * target-select.cc: Include <cstring>.
12411         * version.cc: Include <string>.
12412         * testsuite/testmain.cc: Include <cstdlib>.
12413         * configure, config.in: Rebuild.
12414
12415 2008-03-25  Ian Lance Taylor  <iant@google.com>
12416
12417         * options.cc: Include "../bfd/bfdver.h".
12418         (options::help): Print bug reporting address.
12419
12420         * version.cc (print_version): Adjust output for current value of
12421         BFD_VERSION_STRING.
12422
12423         * NEWS: New file.
12424
12425         * options.cc (options::help): Print list of supported targets.
12426         * target-select.h: Include <vector>.
12427         (class Target_selector): Make machine_, size_, and is_big_endian_
12428         fields const.  Add bfd_name_ and instantiated_target_ fields.
12429         (Target_selector::Target_selector): Add bfd_name parameter.
12430         (Target_selector::recognize): Make non-virtual, call
12431         do_recognize.
12432         (Target_selector::recognize_by_name): Make non-virtual, call
12433         do_recognize_by_name.
12434         (Target_selector::supported_names): New function.
12435         (Target_selector::bfd_name): New function.
12436         (Target_selector::do_instantiate_target): New pure virtual
12437         function.
12438         (Target_selector::do_recognize): New virtual function.
12439         (Target_selector::do_recognize_by_name): New virtual function.
12440         (Target_selector::instantiate_target): New private function.
12441         (supported_target_names): Declare.
12442         * target-select.cc (Target_selector::Target_selector): Update for
12443         new parameter and fields.
12444         (select_target_by_name): Check that the name matches before
12445         calling recognize_by_name.
12446         (supported_target_names): New function.
12447         * i386.cc (class Target_selector_i386): Update Target_selector
12448         constructor call.  Remove recognize and recognize_by_name.  Add
12449         do_instantiate_target.
12450         * x86_64.cc (class Target_selector_x86_64): Likewise.
12451         * testsuite/testfile.cc (class Target_selector_test): Update for
12452         changes to Target_selector.
12453
12454         * README: Rewrite, with some notes on unsupported features.
12455
12456 2008-03-24  Cary Coutant  <ccoutant@google.com>
12457
12458         * i386.cc (Target_i386::Got_type): New enum declaration.
12459         (Target_i386::Scan::local): Updated callers of Output_data_got
12460         member functions.
12461         (Target_i386::Scan::global): Likewise.
12462         (Target_i386::Relocate::relocate): Likewise.
12463         (Target_i386::Relocate::relocate_tls): Likewise.
12464         * object.h (Got_offset_list): New class.
12465         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12466         (Sized_relobj::local_got_offset): Likewise.
12467         (Sized_relobj::set_local_got_offset): Likewise.
12468         (Sized_relobj::local_has_tls_got_offset): Removed.
12469         (Sized_relobj::local_tls_got_offset): Removed.
12470         (Sized_relobj::set_local_tls_got_offset): Removed.
12471         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12472         * output.cc (Output_data_got::add_global): Added got_type parameter.
12473         (Output_data_got::add_global_with_rel): Likewise.
12474         (Output_data_got::add_global_with_rela): Likewise.
12475         (Output_data_got::add_global_pair_with_rel): New function.
12476         (Output_data_got::add_global_pair_with_rela): New function.
12477         (Output_data_got::add_local): Added got_type parameter.
12478         (Output_data_got::add_local_with_rel): Likewise.
12479         (Output_data_got::add_local_with_rela): Likewise.
12480         (Output_data_got::add_local_pair_with_rel): New function.
12481         (Output_data_got::add_local_pair_with_rela): New function.
12482         (Output_data_got::add_global_tls): Removed.
12483         (Output_data_got::add_global_tls_with_rel): Removed.
12484         (Output_data_got::add_global_tls_with_rela): Removed.
12485         (Output_data_got::add_local_tls): Removed.
12486         (Output_data_got::add_local_tls_with_rel): Removed.
12487         (Output_data_got::add_local_tls_with_rela): Removed.
12488         * output.h (Output_data_got::add_global): Added got_type parameter.
12489         (Output_data_got::add_global_with_rel): Likewise.
12490         (Output_data_got::add_global_with_rela): Likewise.
12491         (Output_data_got::add_global_pair_with_rel): New function.
12492         (Output_data_got::add_global_pair_with_rela): New function.
12493         (Output_data_got::add_local): Added got_type parameter.
12494         (Output_data_got::add_local_with_rel): Likewise.
12495         (Output_data_got::add_local_with_rela): Likewise.
12496         (Output_data_got::add_local_pair_with_rel): New function.
12497         (Output_data_got::add_local_pair_with_rela): New function.
12498         (Output_data_got::add_global_tls): Removed.
12499         (Output_data_got::add_global_tls_with_rel): Removed.
12500         (Output_data_got::add_global_tls_with_rela): Removed.
12501         (Output_data_got::add_local_tls): Removed.
12502         (Output_data_got::add_local_tls_with_rel): Removed.
12503         (Output_data_got::add_local_tls_with_rela): Removed.
12504         * resolve.cc (Symbol::override_base_with_special): Removed
12505         reference to has_got_offset_ field.
12506         * symtab.cc (Symbol::init_fields): Replaced initialization
12507         of got_offset_ with got_offsets_.  Removed initialization
12508         of has_got_offset_
12509         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12510         (Symbol::got_offset): Likewise.
12511         (Symbol::set_got_offset): Likewise.
12512         (Symbol::has_tls_got_offset): Removed.
12513         (Symbol::tls_got_offset): Removed.
12514         (Symbol::set_tls_got_offset): Removed.
12515         (Symbol::got_offset_): Removed.
12516         (Symbol::tls_mod_got_offset_): Removed.
12517         (Symbol::tls_pair_got_offset_): Removed.
12518         (Symbol::got_offsets_): New field.
12519         (Symbol::has_got_offset): Removed.
12520         (Symbol::has_tls_mod_got_offset): Removed.
12521         (Symbol::has_tls_pair_got_offset): Removed.
12522         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12523         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12524         member functions.
12525         (Target_x86_64::Scan::global): Likewise.
12526         (Target_x86_64::Relocate::relocate): Likewise.
12527         (Target_x86_64::Relocate::relocate_tls): Likewise.
12528
12529 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12530
12531         * yyscript.y: Fix spelling error in comment.
12532
12533 2008-03-24  Ian Lance Taylor  <iant@google.com>
12534
12535         * options.h (class General_options): Define build_id option.
12536         * layout.h (class Layout): Declare write_build_id, create_note,
12537         create_build_id.  Add build_id_note_ member.
12538         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12539         "libiberty.h", "md5.h", "sha1.h".
12540         (Layout::Layout): Initialize eh_frame_data_,
12541         eh_frame_hdr_section_, and build_id_note_.
12542         (Layout::finalize): Call create_build_id.
12543         (Layout::create_note): New function, broken out of
12544         Layout::create_gold_note.
12545         (Layout::create_gold_note): Call create_note.
12546         (Layout::create_build_id): New function.
12547         (Layout::write_build_id): New function.
12548         (Close_task_runner::run): Call write_build_id.
12549
12550         * x86_64.cc: Correct license to GPLv3.
12551
12552 2008-03-23  Ian Lance Taylor  <iant@google.com>
12553
12554         * options.cc: Include "demangle.h".
12555         (parse_optional_string): New function.
12556         (parse_long_option): Handle takes_optional_argument.
12557         (parse_short_option): Update dash_z initializer.  Handle
12558         takes_optional_argument.
12559         (General_options::General_options): Initialize do_demangle_.
12560         (General_options::finalize): Set do_demangle_.  Handle demangling
12561         style.
12562         * options.h (parse_optional_string): Declare.
12563         (struct One_option): Add optional_arg field.  Update constructor.
12564         Update call constructor calls.  Add takes_optional_argument
12565         function.
12566         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12567         (DEFINE_optional_string): Define.
12568         (General_options::demangle): Change from DEFINE_bool to
12569         DEFINE_optional_string.
12570         (General_options::no_demangle): New function.
12571         (General_options::do_demangle): New function.
12572         (General_options::set_do_demangle): New function.
12573         (General_options::execstack_status_): Move definition to end of
12574         class definition.
12575         (General_options::static_): Likewise.
12576         (General_options::do_demangle_): New field.
12577         * object.cc (big_endian>::get_symbol_location_info): Call
12578         Options::do_demangle, not Options::demangle.
12579         * symtab.cc (demangle): Likewise.
12580
12581 2008-03-22  Ian Lance Taylor  <iant@google.com>
12582
12583         * gold.h: Include <cstddef> and <sys/types.h>
12584         * options.h: Include <cstring>.
12585
12586 2008-03-21  Ian Lance Taylor  <iant@google.com>
12587
12588         * Added source code to GNU binutils.