* dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
[external/binutils.git] / gold / ChangeLog
1 2012-02-29  Cary Coutant  <ccoutant@google.com>
2
3         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4         Call Object::decompressed_section_contents.
5         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
6         New dtor.
7         (Sized_dwarf_line_info::buffer_start_): New data member.
8         * merge.cc (Output_merge_data::do_add_input_section): Call
9         Object::decompressed_section_contents.
10         (Output_merge_string::do_add_input_section): Likewise.
11         * object.cc (need_decompressed_section): New function.
12         (build_compressed_section_map): Decompress sections needed later.
13         (Sized_relobj_file::do_decompressed_section_contents): New function.
14         (Sized_relobj_file::do_discard_decompressed_sections): New function.
15         * object.h (Object::decompressed_section_contents): New function.
16         (Object::discard_decompressed_sections): New function.
17         (Object::do_decompressed_section_contents): New function.
18         (Object::do_discard_decompressed_sections): New function.
19         (Compressed_section_info): New type.
20         (Compressed_section_map): Include decompressed section contents.
21         (Sized_relobj_file::do_decompressed_section_contents): New function.
22         (Sized_relobj_file::do_discard_decompressed_sections): New function.
23
24 2012-02-16  Cary Coutant  <ccoutant@google.com>
25
26         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
27         * testsuite/Makefile.in: Regenerate.
28
29 2012-02-14  Cary Coutant  <ccoutant@google.com>
30
31         * options.cc (General_options::finalize): Disallow -pie and -static.
32
33 2012-02-03  Doug Kwan  <dougkwan@google.com>
34
35         * arm.cc (Arm_relocate_functions::abs8,
36         Arm_relocate_functions::abs16): Use
37         Bits::has_signed_unsigned_overflow32.
38         (Arm_relocate_functions::thm_abs8): Correct range of
39         overflow check.
40         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
41         in assertions.
42
43 2012-02-02  Doug Kwan  <dougkwan@google.com>
44
45         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
46         position independent outputs, not just shared objects.
47
48 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
49
50         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
51         * configure: Regenerated.
52
53 2012-01-27  Ian Lance Taylor  <iant@google.com>
54
55         * reloc.h (Bits): New class with static functions, copied from
56         namespace utils in arm.cc.
57         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
58         instead.
59
60 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
61
62         * incremental.cc (write_info_blocks): Correct relocation offset.
63
64 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
65
66         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
67         (Relocate::tls_gd_to_le): Likewise.
68
69 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
70
71         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
72
73 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
74
75         * configure.ac: Check if -mcmodel=medium works.
76         * configure: Regenerated.
77
78 2012-01-24  Cary Coutant  <ccoutant@google.com>
79
80         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
81         definition and ...
82         (read_unsigned_LEB_128_x): ... this new function.
83         (read_signed_LEB_128): Replaced with inline definition and ...
84         (read_signed_LEB_128_x): ... this new function.
85         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
86         (read_unsigned_LEB_128): Add inline definition.
87         (read_signed_LEB_128_x): New function.
88         (read_signed_LEB_128): Add inline definition.
89         * testsuite/Makefile.am (leb128_unittest): New unit test.
90         * testsuite/Makefile.in: Regenerate.
91         * testsuite/leb128_unittest.cc: New unit test.
92
93 2012-01-23  Ian Lance Taylor  <iant@google.com>
94
95         PR gold/13617
96         * i386.cc (Target_i386::do_code_fill): When using a jmp
97         instruction, pad with nop instructions.
98         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
99
100 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
101
102         * x86_64.cc (gc_process_relocs): Add typename on types used in
103         template.
104         (scan_relocs): Likewise.
105         (relocate_section): Likewise.
106         (apply_relocation): Likewise.
107
108 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
109
110         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
111         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
112         under x32.
113
114 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
115
116         * x86_64.cc: Initial support for x32.
117
118 2012-01-03  Cary Coutant  <ccoutant@google.com>
119
120         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
121         Use abstract base class for GOT.
122         * gold/output.h (class Output_data_got_base): New abstract base class.
123         (class Output_data_got): Derive from new base class, adjust ctors.
124         (Output_data_got::reserve_slot): Make virtual; rename to
125         do_reserve_slot; Adjust callers.
126         * gold/target.h (Sized_target::init_got_plt_for_update): Return
127         pointer to abstract base class.
128         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
129
130 2011-12-18  Ian Lance Taylor  <iant@google.com>
131
132         * object.h (Relobj::local_symbol_value): New function.
133         (Relobj::local_plt_offset): New function.
134         (Relobj::local_has_got_offset): New function.
135         (Relobj::local_got_offset): New function.
136         (Relobj::set_local_got_offset): New function.
137         (Relobj::do_local_symbol_value): New pure virtual function.
138         (Relobj::do_local_plt_offset): Likewise.
139         (Relobj::do_local_has_got_offset): Likewise.
140         (Relobj::do_local_got_offset): Likewise.
141         (Relobj::do_set_local_got_offset): Likewise.
142         (Sized_relobj::do_local_has_got_offset): Rename from
143         local_has_got_offset.
144         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
145         (Sized_relobj::do_set_local_got_offset): Rename from
146         set_local_got_offset.
147         (Sized_relobj_file::do_local_plt_offset): Rename from
148         local_plt_offset.
149         (Sized_relobj_file::do_local_symbol_value): New function.
150         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
151         local_plt_offset.
152         * output.cc (Output_data_got::Got_entry::write): Change object to
153         Relobj.  Use local_symbol_value.
154         (Output_data_got::add_global_with_rel): Change rel_dyn to
155         Output_data_reloc_generic*.  Use add_global_generic.
156         (Output_data_got::add_global_with_rela): Remove.  Change all
157         callers to use add_global_with_rel.
158         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
159         Output_data_reloc_generic*.  Use add_global_generic.
160         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
161         callers to use add_global_pair_with_rel.
162         (Output_data_got::add_local): Change object to Relobj*.
163         (Output_data_got::add_local_plt): Likewise.
164         (Output_data_got::add_local_with_rel): Change object to Relobj*,
165         change rel_dyn to Output_data_reloc_generic*.  Use
166         add_local_generic.
167         (Output_data_got::add_local_with_rela): Remove.  Change all
168         callers to use all_local_with_rel.
169         (Output_data_got::add_local_pair_with_rel): Change object to
170         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
171         add_output_section_generic.
172         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
173         callers to use add_local_pair_with_rel.
174         (Output_data_got::reserve_local): Change object to Relobj*.
175         * output.h: (class Output_data_reloc_generic): Add pure virtual
176         declarations for add_global_generic, add_local_generic,
177         add_output_section_generic.
178         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
179         functions for Output_data_reloc_generic.  Update declarations for
180         changes listed in output.cc.
181         (class Output_data_got): Change template parameter to got_size.
182         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
183         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
184         function.
185         (Sized_relobj_incr::do_local_plt_offset): New function.
186         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
187         add_global_generic.
188
189 2011-12-17  Cary Coutant  <ccoutant@google.com>
190
191         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
192         * resolve.cc (Symbol_table::resolve): Likewise.
193         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
194         arrays.
195         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
196
197 2011-12-16  Ian Lance Taylor  <iant@google.com>
198
199         * output.h (Output_data_reloc_generic::add): Only call
200         add_dynamic_reloc if this is a dynamic reloc section.
201
202 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
203
204         PR gold/13505
205         * target-reloc.h (apply_relocation): Replace <64, false> with
206         <size, big_endian>.
207
208 2011-11-25  Nick Clifton  <nickc@redhat.com>
209
210         * po/it.po: New Italian translation.
211
212 2011-11-17  Sterling Augustine  <saugustine@google.com>
213
214         * script.cc (script_include_directive): Implement.
215         (read_script_file): New local variables name and search_path. Update
216         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
217         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
218         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
219
220 2011-11-11  Sterling Augustine  <saugustine@google.com>
221
222         * yyscript.y (section_cmd): Add support for INCLUDE directive.
223         (file_or_sections_cmd): Likewise.
224
225 2011-11-11  Doug Kwan  <dougkwan@google.com>
226
227         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
228         if --just-symbols is given.
229
230 2011-11-10  Doug Kwan  <dougkwan@google.com>
231
232         PR gold/13362
233         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
234         when processing data relocs.
235         * reloc.h (Relocate_functions::rel_unaligned): New method.
236         (Relocate_functions::pcrel_unaligned): Ditto.
237         (Relocate_functions::rel32_unaligned): Ditto.
238         (Relocate_functions::pcrel32_unaligned): Ditto.
239
240 2011-11-09  Doug Kwan  <dougkwan@google.com>
241
242         PR gold/13362
243         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
244         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
245         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
246         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
247         (Relocate_functions::rel_unaligned): New.
248         (Relocate_functions::rel32_unaligned): New.
249         * target-reloc.h (relocate_for_relocatable): Add code to handle
250         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
251         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
252         arm_unaligned_reloc_r): New targets.
253         * testsuite/Makefile.in: Regenerate.
254         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
255         linking.
256
257 2011-11-02  Ian Lance Taylor  <iant@google.com>
258
259         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
260         NATIVE_LINKER.
261         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
262         * options.cc (General_options::finalize): Use library search path
263         from configure script if specified.  If not native and no sysroot,
264         only search TOOLLIBDIR.
265         * options.h (Search_directory::Search_directory): Change name to
266         const std::string&.
267         (General_options::add_to_library_path_with_sysroot): Change arg to
268         const std::string&.
269         * configure, Makefile.in, config.in: Rebuild.
270
271 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
272
273         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
274         we are working around the ARM1176 Erratum.
275         * options.h (General_options::fix_arm1176): Add option.
276         * testsuite/Makefile.am: Add testcases, and keep current ones
277         working.
278         * testsuite/Makefile.in: Regenerate.
279         * testsuite/arm_fix_1176.s: New file.
280         * testsuite/arm_fix_1176.sh: Likewise.
281
282 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
283
284         * arm.cc (Target_arm::Target_arm): Remove initialisation of
285         may_use_blx_.
286         (Target_arm::may_use_blx): Remove method.
287         (Target_arm::set_may_use_blx): Likewise.
288         (Target_arm::may_use_v4t_interworking): New method.
289         (Target_arm::may_use_v5t_interworking): Likewise.
290         (Target_arm::may_use_blx_): Remove member variable.
291         (Arm_relocate_functions::arm_branch_common): Check for v5T
292         interworking.
293         (Arm_relocate_functions::thumb_branch_common): Likewise.
294         (Reloc_stub::stub_type_for_reloc): Likewise.
295         (Target_arm::do_finalize_sections): Correct interworking checks.
296         * testsuite/Makefile.am: Add new tests.
297         * testsuite/Makefile.in: Regenerate.
298         * testsuite/arm_farcall_arm_arm.s: New test.
299         * testsuite/arm_farcall_arm_arm.sh: Likewise.
300         * testsuite/arm_farcall_arm_thumb.s: Likewise.
301         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
302         * testsuite/arm_farcall_thumb_arm.s: Likewise.
303         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
304         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
305         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
306
307 2011-10-31  Cary Coutant  <ccoutant@google.com>
308
309         PR gold/13023
310         * expression.cc (Expression::eval_with_dot): Add
311         is_section_dot_assignment parameter.
312         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
313         absolute and assigning to dot within a section.
314         * script-sections.cc
315         (Output_section_element_assignment::set_section_addresses): Pass
316         dot_section to set_if_absolute.
317         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
318         as is_section_dot_assignment flag to eval_with_dot.
319         (Output_section_element_dot_assignment::set_section_addresses):
320         Likewise.
321         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
322         parameter.  Also set value if relative to dot_section; set the
323         symbol's output_section.
324         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
325         parameter.  Adjust all callers.
326         (Expression::eval_maybe_dot): Likewise.
327         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
328         Adjust all callers.
329         * testsuite/script_test_2.t: Test assignment of an absolute value
330         to dot within an output section element.
331
332 2011-10-31  Cary Coutant  <ccoutant@google.com>
333
334         * options.h (class General_options): Add --[no-]gnu-unique options.
335         * symtab.cc (Symbol_table::sized_write_globals): Convert
336         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
337
338 2011-10-31  Cary Coutant  <ccoutant@google.com>
339
340         PR gold/13359
341         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
342         unnecessary assertion.
343         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
344
345 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
346
347         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
348         gc_mark_symbol.
349         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
350         gc_mark_symbol.
351         Change to just keep the section associated with symbol.
352         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
353         they are externally visible and --export-dynamic is turned on.
354         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
355
356 2011-10-19  Ian Lance Taylor  <iant@google.com>
357
358         PR gold/13163
359         * script-sections.cc
360         (Output_section_element_dot_assignment::needs_output_section): New
361         function.
362
363 2011-10-19  Ian Lance Taylor  <iant@google.com>
364
365         PR gold/13204
366         * layout.cc (Layout::segment_precedes): Don't assert failure if a
367         --section-start option was seen.
368         * options.h (General_options::any_section_start): New function.
369
370 2011-10-18  David S. Miller  <davem@davemloft.net>
371
372         PR binutils/13301
373         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
374         member to track relocation locations that have moved during TLS
375         reloc optimizations.
376         (Target_sparc::Relocate::Relocate): Initialize to NULL.
377         (Target_sparc::Relocate::relocate): Adjust view down by 4
378         bytes if it matches reloc_adjust_addr_.
379         (Target_sparc::Relocate::relocate_tls): Always move the
380         __tls_get_addr call delay slot instruction forward 4 bytes when
381         performing relaxation.
382
383 2011-10-18  Cary Coutant  <ccoutant@google.com>
384
385         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
386         (Output_file::map_no_anonymous): Check for non-zero
387         return code from posix_fallocate.
388
389 2011-10-17  Cary Coutant  <ccoutant@google.com>
390
391         PR gold/13245
392         * plugin.cc (is_visible_from_outside): Check for symbols
393         referenced from dynamic objects.
394         * resolve.cc (Symbol_table::resolve): Don't count references
395         from dynamic objects as references from real ELF files.
396         * testsuite/plugin_test_2.sh: Adjust expected result.
397
398 2011-10-17  Cary Coutant  <ccoutant@google.com>
399
400         * gold.cc: Include timer.h.
401         (queue_middle_tasks): Stamp time.
402         (queue_final_tasks): Likewise.
403         * main.cc (main): Store timer in parameters.  Print timers
404         for each pass.
405         * parameters.cc (Parameters::Parameters): Initialize timer_.
406         (Parameters::set_timer): New function.
407         (set_parameters_timer): New function.
408         * parameters.h (Parameters::set_timer): New function.
409         (Parameters::timer): New function.
410         (Parameters::timer_): New data member.
411         (set_parameters_timer): New function.
412         * timer.cc (Timer::stamp): New function.
413         (Timer::get_pass_time): New function.
414         * timer.h (Timer::stamp): New function.
415         (Timer::get_pass_time): New function.
416         (Timer::pass_times_): New data member.
417
418 2011-10-17  Cary Coutant  <ccoutant@google.com>
419
420         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
421         task for members of lib groups.
422
423 2011-10-17  Cary Coutant  <ccoutant@google.com>
424
425         PR gold/13288
426         * fileread.cc (File_read::find_view): Add assert.
427         (File_read::make_view): Move bounds check (replace with assert)...
428         (File_read::find_or_make_view): ... to here.
429
430 2011-10-12  Cary Coutant  <ccoutant@google.com>
431
432         * output.cc (Output_file::open_base_file): Handle case where
433         ::read returns less than requested size.
434
435 2011-10-10  Cary Coutant  <ccoutant@google.com>
436
437         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
438         Initialize defined_count_.
439         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
440         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
441         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
442         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
443         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
444         * incremental.h (Sized_relobj_incr::defined_count_): New data
445         member.
446         (Sized_incr_dynobj::defined_count_): New data member.
447         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
448         Return zeroes instead of internal error.
449
450 2011-10-10  Cary Coutant  <ccoutant@google.com>
451
452         PR gold/13249
453         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
454         (Output_reloc::symbol_value): Return PLT offset if flag is set.
455         * output.h (class Output_reloc): Add use_plt_offset flag.
456         (Output_reloc::type_): Adjust size of bit field.
457         (Output_reloc::use_plt_offset_): New bit field.
458         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
459         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
460         flag.  Adjust all callers.
461         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
462         creating RELATIVE relocations.
463
464 2011-10-10  Nick Clifton  <nickc@redhat.com>
465
466         * po/es.po: Updated Spanish translation.
467         * po/fi.po: Updated Finnish translation.
468
469 2011-10-03   Diego Novillo  <dnovillo@google.com>
470
471         * options.cc (parse_uint): Fix dereference of RETVAL.
472
473 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
474
475         * layout.h (section_order_map_): New member.
476         (get_section_order_map): New member function.
477         * output.cc (Output_section::add_input_section): Check for patterns
478         only when --section-ordering-file is specified.
479         * gold.cc (queue_middle_tasks): Delay updating order of sections till
480         output_sections have been formed.
481         * layout.cc (Layout_Layout): Initialize section_order_map_.
482         * plugin.cc (update_section_order): Store order in order_map. Do not
483         update the order.
484         * testsuite/Makefile.am: Add test case for plugin_final_layout.
485         * testsuite/Makefile.in: Regenerate.
486         * testsuite/plugin_section_order.c: New file.
487         * testsuite/plugin_final_layout.cc: New file.
488         * testsuite/plugin_final_layout.sh: New file.
489
490 2011-09-29  Cary Coutant  <ccoutant@google.com>
491
492         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
493         Check for NULL.
494         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
495         symbols during incremental update.
496         (Symbol_table::add_from_dynobj): Likewise.
497
498 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
499             Ian Lance Taylor  <iant@google.com>
500
501         * symtab.cc (Symbol_table::define_special_symbol): Always
502         canonicalize version string.
503
504 2011-09-26  Cary Coutant  <ccoutant@google.com>
505
506         * gold.cc (queue_initial_tasks): Move option checks ...
507         * options.cc (General_options::finalize): ... to here. Disable
508         some options; make others fatal.
509
510 2011-09-26  Cary Coutant  <ccoutant@google.com>
511
512         gcc PR lto/47247
513         * plugin.cc (get_symbols_v2): New function.
514         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
515         (is_referenced_from_outside): New function.
516         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
517         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
518         (get_symbols): Pass version parameter.
519         (get_symbols_v2): New function.
520         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
521         parameter.
522         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
523         (onload): Add LDPT_GET_SYMBOLS_V2.
524         (all_symbols_read_hook): Use get_symbols_v2; check for
525         LDPR_PREVAILING_DEF_IRONLY_EXP.
526         * testsuite/plugin_test_3.sh: Update expected results.
527
528 2011-09-23  Simon Baldwin  <simonb@google.com>
529
530         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
531         configuration options.
532         * configure: Regenerate.
533         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
534         * Makefile.in: Regenerate.
535         * testsuite/Makefile.in: Regenerate.
536
537 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
538
539         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
540
541 2011-09-19  Cary Coutant  <ccoutant@google.com>
542
543         * incremental.cc (can_incremental_update): Fix typo in comment.
544         * incremental.h (can_incremental_update): Likewise.
545
546 2011-09-18  Cary Coutant  <ccoutant@google.com>
547
548         * incremental.cc (can_incremental_update): New function.
549         * incremental.h (can_incremental_update): New function.
550         * layout.cc (Layout::init_fixed_output_section): Call it.
551         (Layout::make_output_section): Don't allow patch space in .eh_frame.
552         * object.cc (Sized_relobj_file::do_layout): Call
553         can_incremental_update.
554
555 2011-09-13  Cary Coutant  <ccoutant@google.com>
556
557         * configure.ac: Check for glibc support for gnu_indirect_function
558         support with static linking, setting automake conditional
559         IFUNC_STATIC.
560         * Makefile.in: Regenerate.
561         * configure: Regenerate.
562
563         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
564         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
565         for IFUNC_STATIC.
566         * testsuite/Makefile.in: Regenerate.
567
568 2011-09-13  Cary Coutant  <ccoutant@google.com>
569
570         * incremental.cc (Sized_relobj_incr::do_layout): Call
571         report_comdat_group for kept comdat sections.
572         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
573         * testsuite/Makefile.in: Regenerate.
574         * testsuite/incr_comdat_test_1.cc: New source file.
575         * testsuite/incr_comdat_test_2_v1.cc: New source file.
576         * testsuite/incr_comdat_test_2_v2.cc: New source file.
577         * testsuite/incr_comdat_test_2_v3.cc: New source file.
578
579 2011-09-13  Ian Lance Taylor  <iant@google.com>
580
581         * object.cc (Sized_relobj_file::do_layout): Remove unused local
582         variable external_symbols_offset.
583
584 2011-09-12  Ian Lance Taylor  <iant@google.com>
585
586         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
587         triggered if object has no symbols.
588
589 2011-09-09  David S. Miller  <davem@davemloft.net>
590
591         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
592         (Output_fill_debug_line::do_write): Likewise.
593
594 2011-08-29  Cary Coutant  <ccoutant@google.com>
595
596         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
597         casts to match formatting specs.
598         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
599
600 2011-08-26  Cary Coutant  <ccoutant@google.com>
601
602         * layout.cc (Free_list::allocate): Provide guarantee of minimum
603         remaining hole size when allocating.
604         (Layout::make_output_section): Set fill methods for debug sections.
605         * layout.h (Free_list::Free_list_node): Move from private to
606         public.
607         (Free_list::set_min_hole_size): New function.
608         (Free_list::begin, Free_list::end): New functions.
609         (Free_list::min_hole_): New data member.
610         * output.cc: Include dwarf.h.
611         (Output_fill_debug_info::do_minimum_hole_size): New function.
612         (Output_fill_debug_info::do_write): New function.
613         (Output_fill_debug_line::do_minimum_hole_size): New function.
614         (Output_fill_debug_line::do_write): New function.
615         (Output_section::Output_section): Initialize new data member.
616         (Output_section::set_final_data_size): Ensure patch space is larger
617         than minimum hole size.
618         (Output_section::do_write): Fill holes in debug sections.
619         * output.h (Output_fill): New class.
620         (Output_fill_debug_info): New class.
621         (Output_fill_debug_line): New class.
622         (Output_section::set_free_space_fill): New function.
623         (Output_section::free_space_fill_): New data member.
624         * testsuite/Makefile.am (incremental_test_3): Add
625         --incremental-patch option.
626         (incremental_test_4): Likewise.
627         (incremental_test_5): Likewise.
628         (incremental_test_6): Likewise.
629         (incremental_copy_test): Likewise.
630         (incremental_common_test_1): Likewise.
631         * testsuite/Makefile.in: Regenerate.
632
633 2011-08-26  Nick Clifton  <nickc@redhat.com>
634
635         * po/es.po: Updated Spanish translation.
636
637 2011-08-01  Cary Coutant  <ccoutant@google.com>
638
639         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
640         * gold/testsuite/Makefile.in: Regenerate.
641         * gold/testsuite/justsyms_exec.c: New source file.
642         * gold/testsuite/justsyms_lib.c: New source file.
643
644 2011-08-01  Cary Coutant  <ccoutant@google.com>
645
646         * layout.cc (Layout::set_segment_offsets): Don't realign text
647         segment if -Ttext was specified.
648         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
649         file type.
650         * object.h (Sized_relobj_file::e_type): New function.
651         (Sized_relobj_file::e_type_): New data member.
652         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
653         base address for ET_EXEC files.
654         * target.cc (Target::do_make_elf_object_implementation): Allow
655         ET_EXEC files with --just-symbols option.
656
657 2011-07-28  Cary Coutant  <ccoutant@google.com>
658
659         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
660         Add thread_number parameter.
661         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
662         * workqueue-threads.cc
663         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
664         current thread if its thread number is greater than desired thread
665         count.
666         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
667         Add thread_number parameter.
668         (Workqueue::should_cancel_thread): Likewise.
669         (Workqueue::find_runnable_or_wait): Pass thread_number to
670         should_cancel_thread.
671         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
672         parameter.
673
674 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
675
676         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
677         only after checking if it cannot be forced local.
678         * symtab.h (is_externally_visible): Check if the symbol is not forced
679         local.
680
681 2011-07-15  Ian Lance Taylor  <iant@google.com>
682
683         * options.h (class General_options): Add --print-output-format.
684         Move -EL next to -EB, for  better --help output.
685         * target-select.cc: Include <cstdio>, "options.h", and
686         "parameters.h".
687         (Target_selector::do_target_bfd_name): New function.
688         (print_output_format): New function.
689         * target-select.h (class Target_selector): Update declarations.
690         (Target_selector::target_bfd_name): New function.
691         (print_output_format): Declare.
692         * main.cc: Include "target-select.h".
693         (main): Handle --print-output-format.
694         * gold.cc: Include "target-select.h".
695         (queue_initial_tasks): Handle --print-output-format when there are
696         no input files.
697         * parameters.cc (parameters_force_valid_target): Give a better
698         error message if -EB/-EL does not match target.
699         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
700         function.
701
702 2011-07-15  Ian Lance Taylor  <iant@google.com>
703
704         * i386.cc (class Output_data_plt_i386): Add layout_ field.
705         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
706         (Output_data_plt_i386::do_write): Write address of .dynamic
707         section to first entry in .got.plt section.
708         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
709         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
710         Initialize layout_.
711         (Output_data_plt_x86_64::do_write): Write address of .dynamic
712         section to first entry in .got.plt section.
713         * layout.h (Layout::dynamic_section): New function.
714
715 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
716
717         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
718         to claim_file call.
719         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
720         input_section_position_, and input_section_glob_.
721         (read_layout_from_file): Call function section_ordering_specified.
722         * layout.h (is_section_ordering_specified): New function.
723         (section_ordering_specified): New function.
724         (section_ordering_specified_): New boolean member.
725         * main.cc(main): Call load_plugins after layout object is defined.
726         * output.cc (Output_section::add_input_section): Use
727         function section_ordering_specified to check if section ordering is
728         needed.
729         * output.cc (Output_section::add_relaxed_input_section): Use
730         function section_ordering_specified to check if section ordering is
731         needed.
732         (Output_section::update_section_layout): New function.
733         (Output_section::sort_attached_input_sections): Check if input section
734         must be reordered.
735         * output.h (Output_section::update_section_layout): New function.
736         * plugin.cc (get_section_count): New function.
737         (get_section_type): New function.
738         (get_section_name): New function.
739         (get_section_contents): New function.
740         (update_section_order): New function.
741         (allow_section_ordering): New function. 
742         (Plugin::load): Add the new interfaces to the transfer vector.
743         (Plugin_manager::load_plugins): New parameter.
744         (Plugin_manager::all_symbols_read): New parameter.
745         (Plugin_manager::claim_file): New parameter. Save the elf object for
746         unclaimed objects.
747         (Plugin_manager::get_elf_object): New function.
748         (Plugin_manager::get_view): Change to directly use the bool to check
749         if get_view is called from claim_file_hook.
750         * plugin.h (input_objects): New function
751         (Plugin__manager::load_plugins): New parameter.
752         (Plugin_manager::claim_file): New parameter.
753         (Plugin_manager::get_elf_object): New function.
754         (Plugin_manager::in_claim_file_handler): New function.
755         (Plugin_manager::in_claim_file_handler_): New member.
756         (layout): New function.
757         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
758         handler with an extra parameter. Make the elf object before calling
759         claim_file handler.
760         * testsuite/plugin_test.c (get_section_count): New function pointer.
761         (get_section_type): New function pointer.
762         (get_section_name): New function pointer.
763         (get_section_contents): New function pointer.
764         (update_section_order): New function pointer.
765         (allow_section_ordering): New function pointer.
766         (onload): Check if the new interfaces exist.
767
768 2011-07-13  Ian Lance Taylor  <iant@google.com>
769
770         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
771         relro section.
772         * x86_64.cc (Target_x86_64::got_section): Likewise.
773         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
774         (relro_now_test_SOURCES): New variable.
775         (relro_now_test_DEPENDENCIES): New variable.
776         (relro_now_test_LDFLAGS): New variable.
777         (relro_now_test_LDADD): New variable.
778         (relro_now_test.so): New target.
779         * testsuite/Makefile.in: Rebuild.
780
781 2011-07-12  Ian Lance Taylor  <iant@google.com>
782
783         PR gold/12980
784         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
785         GLOB_DAT relocation rather than a RELATIVE relocation for a
786         protected symbol when creating a shared library.
787         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
788         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
789         * testsuite/protected_main_1.cc (main): Test that protected
790         function has same address.
791
792 2011-07-11  Ian Lance Taylor  <iant@google.com>
793
794         PR gold/12979
795         * options.h (class General_options): Add -Bgroup.
796         * options.cc (General_options::finalize): If -Bgroup is set,
797         default to --unresolved-symbols=report-all.
798         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
799         * target-reloc.h (issue_undefined_symbol_error): Handle
800         --unresolved-symbols=report-all.
801
802 2011-07-08  Ian Lance Taylor  <iant@google.com>
803
804         PR gold/11985
805         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
806         if linker script discards key sections.
807         (Layout::create_dynamic_symtab): Likewise.
808         (Layout::assign_local_dynsym_offsets): Likewise.
809         (Layout::sized_create_version_sections): Likewise.
810         (Layout::create_interp): Likewise.
811         (Layout::finish_dynamic_section): Likewise.
812         (Layout::set_dynamic_symbol_size): Likewise.
813
814 2011-07-08  Ian Lance Taylor  <iant@google.com>
815
816         PR gold/12386
817         * options.h (class General_options): Add --unresolved-symbols.
818         * target-reloc.h (issue_undefined_symbol_error): Check
819         --unresolved-symbols.  Add comments.
820
821 2011-07-08  Ian Lance Taylor  <iant@google.com>
822
823         * testsuite/odr_violation2.cc (Ordering::operator()): Make
824         expression more complex.
825
826 2011-07-08  Ian Lance Taylor  <iant@google.com>
827
828         PR gold/11317
829         * target-reloc.h (issue_undefined_symbol_error): New inline
830         function, broken out of relocate_section.
831         (relocate_section): Call issue_undefined_symbol_error.
832         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
833         there is no TLS segment if we are about to issue an undefined
834         symbol error.
835         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
836
837 2011-07-08  Ian Lance Taylor  <iant@google.com>
838
839         PR gold/12279
840         * resolve.cc (Symbol_table::should_override): Add fromtype
841         parameter.  Change all callers.  Give error when linking together
842         TLS and non-TLS symbol.
843         (Symbol_table::should_override_with_special): Add fromtype
844         parameter.  Change all callers.
845         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
846         there is no TLS segment if we have reported some errors.
847         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
848
849 2011-07-08  Ian Lance Taylor  <iant@google.com>
850
851         PR gold/12372
852         * target.h (Target::plt_address_for_global): New function.
853         (Target::plt_address_for_local): New function.
854         (Target::plt_section_for_global): Remove.
855         (Target::plt_section_for_local): Remove.
856         (Target::do_plt_address_for_global): New virtual function.
857         (Target::do_plt_address_for_local): New virtual function.
858         (Target::do_plt_section_for_global): Remove.
859         (Target::do_plt_section_for_local): Remove.
860         (Target::register_global_plt_entry): Add Symbol_table and Layout
861         parameters.
862         * output.cc (Output_data_got::Got_entry::write): Use
863         plt_address_for_global and plt_address_for_local.
864         * layout.cc (Layout::add_target_dynamic_tags): Use size and
865         address of output section.
866         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
867         got_irelative_, and irelative_count_ fields.  Update
868         declarations.
869         (Output_data_plt_i386::has_irelative_section): New function.
870         (Output_data_plt_i386::entry_count): Add irelative_count_.
871         (Output_data_plt_i386::set_final_data_size): Likewise.
872         (class Target_i386): Add got_irelative_ and rel_irelative_
873         fields.  Update declarations.
874         (Target_i386::Target_i386): Initialize new fields.
875         (Target_i386::do_plt_address_for_global): New function replacing
876         do_plt_section_for_global.
877         (Target_i386::do_plt_address_for_local): New function replacing
878         do_plt_section_for_local.
879         (Target_i386::got_section): Create got_irelative_.
880         (Target_i386::rel_irelative_section): New function.
881         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
882         fields.  Don't define __rel_iplt_{start,end}.
883         (Output_data_plt_i386::add_entry): Add symtab and layout
884         parameters.  Change all callers.  Use different PLT and GOT for
885         IFUNC symbols.
886         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
887         layout parameters.  Change all callers.  Use different PLT and
888         GOT.
889         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
890         (Output_data_plt_i386::rel_irelative): New function.
891         (Output_data_plt_i386::address_for_global): New function.
892         (Output_data_plt_i386::address_for_local): New function.
893         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
894         IRELATIVE GOT when changing IFUNC GOT entries.
895         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
896         reloc.
897         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
898         if we didn't create an IRELATIVE GOT.
899         (Target_i386::Relocate::relocate): Use plt_address_for_global and
900         plt_address_for_local.
901         (Target_i386::do_dynsym_value): Use plt_address_for_global.
902         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
903         got_irelative_, and irelative_count_ fields.  Update
904         declarations.
905         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
906         Initialize new fields.  Remove symtab parameter.  Change all
907         callers.
908         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
909         irelative_count_.
910         (Output_data_plt_x86_64::has_irelative_section): New function.
911         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
912         (class Target_x86_64): Add got_irelative_ and rel_irelative_
913         fields.  Update declarations.
914         (Target_x86_64::Target_x86_64): Initialize new fields.
915         (Target_x86_64::do_plt_address_for_global): New function replacing
916         do_plt_section_for_global.
917         (Target_x86_64::do_plt_address_for_local): New function replacing
918         do_plt_section_for_local.
919         (Target_x86_64::got_section): Create got_irelative_.
920         (Target_x86_64::rela_irelative_section): New function.
921         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
922         all callers.  Don't create __rel_iplt_{start,end}.
923         (Output_data_plt_x86_64::add_entry): Add symtab and layout
924         parameters.  Change all callers.  Use different PLT and GOT for
925         IFUNC symbols.
926         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
927         layout parameters.  Change all callers.  Use different PLT and
928         GOT.
929         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
930         parameters.  Change all callers.  Use different PLT and GOT for
931         IFUNC symbols.
932         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
933         (Output_data_plt_x86_64::rela_irelative): New function.
934         (Output_data_plt_x86_64::address_for_global): New function.
935         (Output_data_plt_x86_64::address_for_local): New function.
936         (Output_data_plt_x86_64::set_final_data_size): Likewise.
937         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
938         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
939         (Target_x86_64::register_global_plt_entry): Add symtab and layout
940         parameters.
941         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
942         reloc.
943         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
944         symbols if we didn't create an IRELATIVE GOT.
945         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
946         plt_address_for_local.
947         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
948         * testsuite/ifuncvar1.c: New test file.
949         * testsuite/ifuncvar2.c: New test file.
950         * testsuite/ifuncvar3.c: New test file.
951         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
952         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
953         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
954         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
955         * testsuite/Makefile.in: Rebuild.
956
957 2011-07-07  Cary Coutant  <ccoutant@google.com>
958
959         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
960         (two_file_test_1_ndebug.o): Likewise.
961         (two_file_test_1b_ndebug.o): Likewise.
962         (two_file_test_2_ndebug.o): Likewise.
963         (two_file_test_main_ndebug.o): Likewise.
964         (incremental_test_2): Link with no-debug versions.
965
966 2011-07-06  Cary Coutant  <ccoutant@google.com>
967
968         * gold/incremental.cc
969         (Output_section_incremental_inputs::write_info_blocks): Check for
970         hidden and internal symbols.
971
972 2011-07-06  Cary Coutant  <ccoutant@google.com>
973
974         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
975         Check disposition for startup file.
976         (Incremental_inputs::report_command_line): Ignore
977         --incremental-startup-unchanged option.
978         * options.cc (General_options::parse_incremental_startup_unchanged):
979         New function.
980         (General_options::General_options): Initialize new data member.
981         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
982         (General_options): Add --incremental-startup-unchanged option.
983         (General_options::incremental_startup_disposition): New function.
984         (General_options::incremental_startup_disposition_): New data member.
985
986 2011-07-06  Cary Coutant  <ccoutant@google.com>
987
988         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
989         input file index to Script_info ctor.
990         (Sized_incremental_binary::do_file_has_changed): Find the
991         command-line argument for files named in scripts.
992         * incremental.h (Script_info::Script_info): New ctor
993         with input file index.
994         (Script_info::input_file_index): New function.
995         (Script_info::input_file_index_): New data member.
996         (Incremental_binary::get_library): Add const.
997         (Incremental_binary::get_script_info): Add const.
998         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
999         * testsuite/Makefile.am (incremental_test_5): New test case.
1000         (incremental_test_6): New test case.
1001         * testsuite/Makefile.in: Regenerate.
1002
1003 2011-07-06  Cary Coutant  <ccoutant@google.com>
1004
1005         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1006         debug output when command lines differ.
1007
1008 2011-07-06  Cary Coutant  <ccoutant@google.com>
1009
1010         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1011         --incremental-patch option.
1012         * layout.cc (Free_list::allocate): Extend allocation beyond original
1013         end if enabled.
1014         (Layout::make_output_section): Mark sections that should get
1015         patch space.
1016         * options.cc (parse_percent): New function.
1017         * options.h (parse_percent): New function.
1018         (DEFINE_percent): New macro.
1019         (General_options): Add --incremental-patch option.
1020         * output.cc (Output_section::Output_section): Initialize new data
1021         members.
1022         (Output_section::add_input_section): Print section name when out
1023         of patch space.
1024         (Output_section::add_output_section_data): Likewise.
1025         (Output_section::set_final_data_size): Add patch space when
1026         doing --incremental-full.
1027         (Output_section::do_reset_address_and_file_offset): Remove patch
1028         space.
1029         (Output_segment::set_section_list_addresses): Print debug output
1030         only if --incremental-update.
1031         * output.h (Output_section::set_is_patch_space_allowed): New function.
1032         (Output_section::is_patch_space_allowed_): New data member.
1033         (Output_section::patch_space_): New data member.
1034         * parameters.cc (Parameters::incremental_full): New function.
1035         * parameters.h (Parameters::incremental_full): New function
1036         * testsuite/Makefile.am (incremental_test_2): Add test for
1037         --incremental-patch option.
1038         * testsuite/Makefile.in: Regenerate.
1039         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1040         (t18): Remove function body.
1041
1042 2011-07-05  Doug Kwan  <dougkwan@google.com>
1043
1044         PR gold/12771
1045         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1046         Arm_Address type for relocation result.
1047         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1048         overflow check.
1049         (Arm_relocate_functions::abs32): Use unaligned access.
1050         (Arm_relocate_functions::rel32): Ditto.
1051         (Arm_relocate_functions::prel31): Ditto.
1052         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1053         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1054         static data relocations.
1055         * testsuite/Makefile.in: Regnerate.
1056         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1057
1058 2011-07-05  Ian Lance Taylor  <iant@google.com>
1059
1060         PR gold/12392
1061         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1062         symbols if necessary.
1063         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1064
1065 2011-07-05  Ian Lance Taylor  <iant@google.com>
1066
1067         PR gold/12952
1068         * resolve.cc (Symbol::override_base_with_special): Simply override
1069         version with special symbol version, ignoring previous version.
1070
1071 2011-07-05  Ian Lance Taylor  <iant@google.com>
1072
1073         * object.cc (Sized_relobj_file::include_section_group): Add
1074         information to comment about signature location.
1075
1076 2011-07-02  Ian Lance Taylor  <iant@google.com>
1077
1078         PR gold/12957
1079         * options.h (class General_options): Add -f and -F.
1080         * options.cc (General_options::finalize): Fatal error if -f/-F
1081         are used without -shared.
1082         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1083
1084 2011-07-02  Ian Lance Taylor  <iant@google.com>
1085
1086         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1087
1088 2011-07-01  Ian Lance Taylor  <iant@google.com>
1089
1090         PR gold/12525
1091         PR gold/12952
1092         * resolve.cc (Symbol::override_base_with_special): Don't override
1093         the version if the overriding symbol has a different name.
1094         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1095         all callers.  If we give an error about an undefined version,
1096         define the base version if necessary.
1097         * dynobj.h (class Versions): Update declaration.
1098         * testsuite/weak_alias_test_5.cc: New file.
1099         * testsuite/weak_alias_test.script: New file.
1100         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1101         and versioned_alias have the right value, and call t2.
1102         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1103         weak_alias_test_5.so.
1104         (weak_alias_test_LDADD): Likewise.
1105         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1106         * testsuite/Makefile.in: Rebuild.
1107
1108 2011-07-01  Ian Lance Taylor  <iant@google.com>
1109
1110         PR gold/12525
1111         * options.h (class General_options): Support -z notext.
1112         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1113         -Wl,-z,notext.
1114         (two_file_shared_nonpic.so): Likewise.
1115         (two_file_shared_mixed.so): Likewise.
1116         (two_file_shared_mixed_1.so): Likewise.
1117         (weak_undef_lib_nonpic.so): Likewise.
1118         (alt/weak_undef_lib_nonpic.so): Likewise.
1119         (tls_test_shared_nonpic.so): Likewise.
1120         * testsuite/Makefile.in: Rebuild.
1121
1122 2011-07-01  Ian Lance Taylor  <iant@google.com>
1123
1124         PR gold/12525
1125         * configure.ac: Test whether static linking works, setting
1126         the automake conditional HAVE_STATIC.
1127         * testsuite/Makefile.am: Disable tests using -static if
1128         HAVE_STATIC is not true.
1129         * configure, testsuite/Makefile.in: Rebuild.
1130
1131 2011-07-01  Ian Lance Taylor  <iant@google.com>
1132
1133         PR gold/12525
1134         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1135         Assert if we see DW_EH_PE_indirect.
1136         * target.h (Target::ehframe_datarel_base): New function.
1137         (Target::do_ehframe_datarel_base): New target function.
1138         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1139         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1140         function.
1141
1142 2011-07-01  Ian Lance Taylor  <iant@google.com>
1143
1144         PR gold/12571
1145         * options.h (class General_options): Add
1146         --ld-generated-unwind-info.
1147         * ehframe.cc (Fde::write): Add address parameter.  Change all
1148         callers.  If associated with PLT, fill in address and size.
1149         (Cie::set_output_offset): Only add merge mapping if there is an
1150         object.
1151         (Cie::write): Add address parameter.  Change all callers.
1152         (Eh_frame::add_ehframe_for_plt): New function.
1153         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1154         input_offset_ fields into union u_, with new plt field.
1155         (Fde::Fde): Adjust for new union field.
1156         (Fde::Fde) [Output_data version]: New constructor.
1157         (Fde::add_mapping): Only add merge mapping if there is an object.
1158         (class Cie): Update declarations.
1159         (class Eh_frame): Declare add_ehframe_for_plt.
1160         * layout.cc (Layout::layout_eh_frame): Break out code into
1161         make_eh_frame_section, and call it.
1162         (Layout::make_eh_frame_section): New function.
1163         (Layout::add_eh_frame_for_plt): New function.
1164         * layout.h (class Layout): Update declarations.
1165         * merge.cc (Merge_map::add_mapping): Add assertion.
1166         * i386.cc: Include "dwarf.h".
1167         (class Output_data_plt_i386): Make first_plt_entry,
1168         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1169         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1170         and plt_eh_frame_fde.
1171         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1172         boundary.  Call add_eh_frame_for_plt if appropriate.
1173         * x86_64.cc: Include "dwarf.h".
1174         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1175         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1176         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1177         and plt_eh_frame_fde.
1178         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1179         appropriate.
1180
1181 2011-06-29  Ian Lance Taylor  <iant@google.com>
1182
1183         PR gold/12629
1184         * object.cc (Sized_relobj_file::layout_section): Change shdr
1185         parameter to be const.
1186         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1187         out of do_layout.
1188         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1189         appropriate.  Call layout_eh_frame_section.
1190         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1191         sections.
1192         * object.h (class Sized_relobj_file): Update declarations.
1193
1194 2011-06-29  Ian Lance Taylor  <iant@google.com>
1195
1196         PR gold/12652
1197         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1198         modifier.
1199         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1200
1201 2011-06-29  Ian Lance Taylor  <iant@google.com>
1202
1203         PR gold/12675
1204         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1205         SHT_X86_64_UNWIND.
1206         * layout.cc (Layout::layout_eh_frame): Likewise.
1207
1208 2011-06-29  Ian Lance Taylor  <iant@google.com>
1209
1210         PR gold/12695
1211         * layout.cc (Layout::symtab_section_shndx): New function.
1212         * layout.h (class Layout): Declare symtab_section_shndx.
1213         * output.cc (Output_section::write_header): Call it.
1214
1215 2011-06-29  Ian Lance Taylor  <iant@google.com>
1216
1217         PR gold/12818
1218         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1219         symbols which are not used in a relocation.
1220
1221 2011-06-28  Ian Lance Taylor  <iant@google.com>
1222
1223         PR gold/12898
1224         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1225         script create indistinguishable segments.
1226         (Layout::set_segment_offsets): Use stable_sort when sorting
1227         segments.  Pass this to Compare_segments constructor.
1228         * layout.h (class Layout): Make segment_precedes non-static.
1229         (class Compare_segments): Change from struct to class.  Add
1230         layout_ field.  Add constructor.
1231         * script-sections.cc
1232         (Script_sections::attach_sections_using_phdrs_clause): Rename
1233         local orphan to is_orphan.  Don't report failure to put empty
1234         section in segment.  On attachment failure, report name of
1235         section, and attach to first PT_LOAD segment.
1236
1237 2011-06-28  Ian Lance Taylor  <iant@google.com>
1238
1239         PR gold/12934
1240         * target-select.cc (Target_selector::Target_selector): Add
1241         emulation parameter.  Change all callers.
1242         (select_target_by_bfd_name): Rename from select_target_by_name.
1243         Change all callers.
1244         (select_target_by_emulation): New function.
1245         (supported_emulation_names): New function.
1246         * target-select.h (class Target_selector): Add emulation_ field.
1247         Update declarations.
1248         (Target_selector::recognize_by_bfd_name): Rename from
1249         recognize_by_name.  Change all callers.
1250         (Target_selector::supported_bfd_names): Rename from
1251         supported_names.  Change all callers.
1252         (Target_selector::recognize_by_emulation): New function.
1253         (Target_selector::supported_emulations): New function.
1254         (Target_selector::emulation): New function.
1255         (Target_selector::do_recognize_by_bfd_name): Rename from
1256         do_recognize_by_name.  Change all callers.
1257         (Target_selector::do_supported_bfd_names): Rename from
1258         do_supported_names.  Change all callers.
1259         (Target_selector::do_recognize_by_emulation): New function.
1260         (Target_selector::do_supported_emulations): New function.
1261         (select_target_by_bfd_name): Change name in declaration.
1262         (select_target_by_emulation): Declare.
1263         (supported_emulation_names): Declare.
1264         * parameters.cc (parameters_force_valid_target): Try to find
1265         target based on emulation from -m option.
1266         * options.h (class General_options): Change doc string for -m.
1267         * options.cc (help): Print emulations.
1268         (General_options::parse_V): Likewise.
1269         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1270         Add emulation parameter.  Change all callers.
1271
1272 2011-06-28  Ian Lance Taylor  <iant@google.com>
1273
1274         * target.h (class Target): Add osabi_ field.
1275         (Target::osabi): New function.
1276         (Target::set_osabi): New function.
1277         (Target::Target): Initialize osabi_.
1278         (Target::do_adjust_elf_header): Make pure virtual.
1279         (Sized_target::do_adjust_elf_header): Declare.
1280         * target.cc (Sized_target::do_adjust_elf_header): New function.
1281         (class Sized_target): Instantiate all versions.
1282         * freebsd.h (class Target_freebsd): Remove.
1283         (Target_selector_freebsd::do_recognize): Call set_osabi on
1284         Target.
1285         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1286         (Target_selector_freebsd::set_osabi): Remove.
1287         * i386.cc (class Target_i386): Inherit from Sized_target rather
1288         than Target_freebsd.
1289         * x86_64.cc (class Target_x86_64): Likewise.
1290
1291 2011-06-28  Ian Lance Taylor  <iant@google.com>
1292
1293         * target.h (Target::can_check_for_function_pointers): Rewrite.
1294         Make non-virtual.
1295         (Target::can_icf_inline_merge_sections): Likewise.
1296         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1297         (Target::Target_info): Add can_icf_inline_merge_sections field.
1298         (Target::do_can_check_for_function_pointers): New virtual
1299         function.
1300         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1301         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1302         from can_check_for_function_pointers, move in file.
1303         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1304         section_may_have_icf_unsafe_poineters, move in file.
1305         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1306         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1307         Rename from can_check_for_function_pointers, move in file.
1308         (Target_i386::can_icf_inline_merge_sections): Remove.
1309         (Target_i386::i386_info): Initialize
1310         can_icf_inline_merge_sections.
1311         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1312         Initialize can_icf_inline_merge_sections.
1313         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1314         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1315         Rename from can_check_for_function_pointers, move in file.
1316         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1317         (Target_x86_64::x86_64_info): Initialize
1318         can_icf_inline_merge_sections.
1319         * testsuite/testfile.cc (Target_test::test_target_info):
1320         Likewise.
1321         * icf.cc (get_section_contents): Correct formatting.
1322
1323 2011-06-27  Ian Lance Taylor  <iant@google.com>
1324
1325         * symtab.cc (Symbol::versioned_name): New function.
1326         (Symbol_table::add_to_final_symtab): Use versioned_name when
1327         appropriate.
1328         (Symbol_table::sized_write_symbol): Likewise.
1329         * symtab.h (class Symbol): Declare versioned_name.
1330         * stringpool.h (class Stringpool_template): Add variant of add
1331         which takes a std::basic_string.
1332         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1333         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1334         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1335         (ver_test_12.o): New target.
1336         * testsuite/Makefile.in: Rebuild.
1337
1338 2011-06-27  Doug Kwan  <dougkwan@google.com>
1339
1340         * arm.cc (Arm_relocate_functions::thm_jump8,
1341         Arm_relocate_functions::thm_jump11): Use a wider signed
1342         type to compute offset.
1343         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1344         arm_thm_jump8.
1345         * testsuite/Makefile.in: Regenerate.
1346         * testsuite/arm_branch_in_range.sh: Check test results of
1347         arm_thm_jump11 and arm_thm_jump8.
1348         * testsuite/arm_thm_jump11.s: New test source file.
1349         * testsuite/arm_thm_jump11.t: New linker script.
1350         * testsuite/arm_thm_jump8.s: New test source file.
1351         * testsuite/arm_thm_jump8.t: New linker script.
1352
1353 2011-06-24  Ian Lance Taylor  <iant@google.com>
1354
1355         * layout.cc: Include "object.h".
1356         (ctors_sections_in_init_array): New static variable.
1357         (Layout::is_ctors_in_init_array): New function.
1358         (Layout::layout): Add entry to ctors_sections_in_init_array if
1359         appropriate.
1360         * layout.h (class Layout): Declare is_ctors_in_init_array.
1361         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1362         is_ctors_reverse_view is set.
1363         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1364         all callers.  Set is_ctors_reverse_view field of View_size.
1365         (Sized_relobj_file::reverse_words): New function.
1366         * object.h (Sized_relobj_file::View_size): Add
1367         is_ctors_reverse_view field.
1368         (class Sized_relobj_file): Update declarations.
1369         * testsuite/initpri3.c: New test.
1370         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1371         initpri3b.
1372         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1373         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1374         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1375         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1376         * testsuite/Makefile.in: Rebuild.
1377
1378 2011-06-24  Cary Coutant  <ccoutant@google.com>
1379
1380         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1381         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1382         (debug_msg_cdebug.err): New targets.
1383         * testsuite/Makefile.in: Regenerate.
1384         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1385         Fix checks for link with shared library.
1386
1387 2011-06-24  Doug Kwan  <dougkwan@google.com>
1388
1389         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1390         skip empty text sections.
1391         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1392
1393 2011-06-22  Ian Lance Taylor  <iant@google.com>
1394
1395         PR gold/12910
1396         * options.h (class General_options): Add --ctors-in-init-array.
1397         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1398         friends as SHT_PROGBITS for merging sections.
1399         (Layout::layout): Remove special handling of .init_array and
1400         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1401         and .dtors if ctors_in_init_array.
1402         (Layout::make_output_section): Force correct section types for
1403         .init_array and friends.  Don't sort if doing relocatable link,
1404         Don't sort .ctors and .dtors if ctors_in_init_array.
1405         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1406         (Layout::output_section_name): Add relobj parameter.  Change all
1407         callers.  Handle .ctors. and .dtors. in code rather than table.
1408         Handle .ctors and .dtors if ctors_in_init_array.
1409         (Layout::match_file_name): New function, moved from output.cc.
1410         * layout.h (class Layout): Update declarations.
1411         * output.cc: Include "layout.h".
1412         (Input_section_sort_entry::get_priority): New function.
1413         (Input_section_sort_entry::match_file_name): Just call
1414         Layout::match_file_name.
1415         (Output_section::Input_section_sort_init_fini_compare::operator()):
1416         Handle .ctors and .dtors.  Sort by explicit priority rather than
1417         by name.
1418         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1419         * testsuite/initpri2.c: New test.
1420         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1421         (check_PROGRAMS): Add initpri2.
1422         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1423         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1424         * configure, testsuite/Makefile.in: Rebuild.
1425
1426 2011-06-19  Ian Lance Taylor  <iant@google.com>
1427
1428         PR gold/12880
1429         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1430         .interp section to a PT_INTERP segment even if we have seen a
1431         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1432         clause in a linker script.
1433         (Layout::finalize): Don't create a .interp section if we've
1434         already create a PT_INTERP segment.
1435         (Layout::create_interp): Always call choose_output_section (revert
1436         patch of 2011-06-17).  Don't create PT_INTERP segment.
1437         * script-sections.cc
1438         (Script_sections::create_note_and_tls_segments): Add a .interp
1439         section to a PT_INTERP segment even if we have seen a
1440         --dynamic-linker option.
1441
1442 2011-06-18  Ian Lance Taylor  <iant@google.com>
1443
1444         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1445         merely because a non-PT_LOAD segment has a dynamic reloc.
1446
1447 2011-06-18  Ian Lance Taylor  <iant@google.com>
1448
1449         * layout.cc (Layout::finish_dynamic_section): Don't create
1450         DT_FLAGS entry if not needed.
1451
1452 2011-06-18  Ian Lance Taylor  <iant@google.com>
1453
1454         PR gold/12745
1455         * layout.cc (Layout::layout_eh_frame): Correct handling of
1456         writable .eh_frame section.
1457
1458 2011-06-17  Ian Lance Taylor  <iant@google.com>
1459
1460         PR gold/12893
1461         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1462         symbol is redefined with the exact same object and value.
1463
1464 2011-06-17  Ian Lance Taylor  <iant@google.com>
1465
1466         PR gold/12880
1467         * layout.h (class Layout): Add interp_segment_ field.
1468         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1469         (Layout::attach_allocated_section_to_segment): If making shared
1470         library, put .interp section in PT_INTERP segment.
1471         (Layout::finalize): Also call create_interp if -dynamic-linker
1472         option was used.
1473         (Layout::create_interp): Assert that there is no PT_INTERP
1474         segment.  If not using a SECTIONS clause, use make_output_section.
1475         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1476         * script-sections.cc
1477         (Script_sections::create_note_and_tls_segments): If making shared
1478         library, put .interp section in PT_INTERP segment.
1479
1480 2011-06-17  Ian Lance Taylor  <iant@google.com>
1481
1482         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1483         when making a shared library.
1484
1485 2011-06-17  Ian Lance Taylor  <iant@google.com>
1486
1487         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1488         parameter.  Change all callers.  Don't issue warning about PC32
1489         against locally defined symbol.
1490
1491 2011-06-16  Ian Lance Taylor  <iant@google.com>
1492
1493         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1494         occurs in same object.
1495
1496 2011-06-14  Alan Modra  <amodra@gmail.com>
1497
1498         * po/POTFILES.in: Regenerate.
1499
1500 2011-06-09  Ian Lance Taylor  <iant@google.com>
1501
1502         * script-sections.cc
1503         (Orphan_output_section::set_section_addresses): For a relocatable
1504         link set address to 0.
1505
1506 2011-06-09  Cary Coutant  <ccoutant@google.com>
1507
1508         PR gold/12804
1509         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1510         used with --compress-debug-sections.
1511         * gold/object.cc (Sized_relobj_file::do_layout): Report
1512         uncompressed size of compressed input sections.
1513
1514 2011-06-08  Cary Coutant  <ccoutant@google.com>
1515
1516         PR gold/12804
1517         * testsuite/two_file_test_2_v1.cc: Change initialization of
1518         v2 to keep it in .data.
1519
1520 2011-06-07  Cary Coutant  <ccoutant@google.com>
1521
1522         * common.cc (Symbol_table::do_allocate_commons_list): Call
1523         gold_fallback.
1524         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1525         (Errors::fallback): New function.
1526         (gold_fallback): New function.
1527         * errors.h (Errors::fallback): New function.
1528         * gold.cc (gold_exit): Change status parameter to enum; adjust
1529         all callers.
1530         (queue_initial_tasks): Call gold_fallback.
1531         * gold.h: Include cstdlib.
1532         (Exit_status): New enum type.
1533         (gold_exit): Change status parameter to enum.
1534         (gold_fallback): New function.
1535         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1536         (Layout::create_symtab_sections): Likewise.
1537         (Layout::create_shdrs): Likewise.
1538         * main.cc (main): Adjust call to gold_exit.
1539         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1540         (Output_data_got::add_got_entry_pair): Likewise.
1541         (Output_section::add_input_section): Likewise.
1542         (Output_section::add_output_section_data): Likewise.
1543         (Output_segment::set_section_list_addresses): Likewise.
1544         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1545
1546 2011-06-07  Cary Coutant  <ccoutant@google.com>
1547
1548         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1549         for incremental links.
1550         * output.cc (Output_segment::set_section_list_addresses): Remove
1551         FIXME and test for TLS or BSS.
1552
1553 2011-06-07  Cary Coutant  <ccoutant@google.com>
1554
1555         * testsuite/Makefile.am: Add incremental_copy_test,
1556         incremental_common_test_1.
1557         * testsuite/Makefile.in: Regenerate.
1558         * testsuite/common_test_1_v1.c: New source file.
1559         * testsuite/common_test_1_v2.c: New source file.
1560         * testsuite/copy_test_v1.cc: New source file.
1561
1562 2011-06-07  Cary Coutant  <ccoutant@google.com>
1563
1564         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1565         update, allocate common from bss section's free list.
1566         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1567         linker-defined symbols.
1568         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1569         Skip GOT and PLT entries that are no longer referenced.
1570         (Output_section_incremental_inputs::write_info_blocks): Mark
1571         linker-defined symbols.
1572         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1573         * output.cc (Output_section::allocate): New function.
1574         * output.h (Output_section::allocate): New function.
1575         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1576         linker-defined symbols.
1577         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1578         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1579         (Symbol::init_base_output_data): Likewise.
1580         (Symbol::init_base_output_segment): Likewise.
1581         (Symbol::init_base_constant): Likewise.
1582         (Sized_symbol::init_output_data): Likewise.
1583         (Sized_symbol::init_output_segment): Likewise.
1584         (Sized_symbol::init_constant): Likewise.
1585         (Symbol_table::do_define_in_output_data): Likewise.
1586         (Symbol_table::do_define_in_output_segment): Likewise.
1587         (Symbol_table::do_define_as_constant): Likewise.
1588         * symtab.h (Symbol::is_predefined): New function.
1589         (Symbol::init_base_output_data): Add is_predefined parameter.
1590         (Symbol::init_base_output_segment): Likewise.
1591         (Symbol::init_base_constant): Likewise.
1592         (Symbol::is_predefined_): New data member.
1593         (Sized_symbol::init_output_data): Add is_predefined parameter.
1594         (Sized_symbol::init_output_segment): Likewise.
1595         (Sized_symbol::init_constant): Likewise.
1596         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1597
1598 2011-06-07  Cary Coutant  <ccoutant@google.com>
1599
1600         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1601         instead of emit_copy_reloc.
1602         (Copy_relocs::emit_copy_reloc): Refactor.
1603         (Copy_relocs::make_copy_reloc): New function.
1604         (Copy_relocs::add_copy_reloc): Remove.
1605         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1606         section.
1607         (Copy_relocs::make_copy_reloc): New function.
1608         (Copy_relocs::add_copy_reloc): Remove.
1609         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1610         unchanged input files.
1611         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1612         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1613         Reserve BSS space for COPY relocations.
1614         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1615         (Output_section_incremental_inputs::write_info_blocks): Record
1616         whether a symbol is copied from a shared object.
1617         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1618         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1619         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1620         (Incremental_input_entry_reader::get_output_symbol_index): Add
1621         is_copy parameter.
1622         (Incremental_binary::emit_copy_relocs): New function.
1623         (Incremental_binary::do_emit_copy_relocs): New function.
1624         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1625         new data member.
1626         (Sized_incremental_binary::add_copy_reloc): New function.
1627         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1628         (Sized_incremental_binary::Copy_reloc): New struct.
1629         (Sized_incremental_binary::Copy_relocs): New typedef.
1630         (Sized_incremental_binary::copy_relocs_): New data member.
1631         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1632         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1633         * target.h (Sized_target::emit_copy_reloc): New function.
1634         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1635
1636 2011-06-02  Cary Coutant  <ccoutant@google.com>
1637
1638         PR gold/12163
1639         * gold/archive.cc (Archive::Archive): Initialize new data member.
1640         (Archive::include_all_members): Return if archive has already been
1641         included.
1642         * gold/archive.h (Archive::include_all_members_): New data member.
1643
1644 2011-06-02  Nick Clifton  <nickc@redhat.com>
1645
1646         * dynobj.h: Fix spelling mistake in comment.
1647         * output.cc: Likewise.
1648
1649 2011-05-31  Doug Kwan  <dougkwan@google.com>
1650             Asier Llano
1651
1652         PR gold/12826
1653         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1654         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1655         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1656         redundant arm_exidx_test.so.
1657         * testsuite/Makefile.in: Regenerate.
1658         (check_SCRIPTS): Add pr12826.sh
1659         (check_DATA): Add pr12826.stdout
1660         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1661         * testsuite/pr12826.sh: New file.
1662         * testsuite/pr12826_1.s: Ditto.
1663         * testsuite/pr12826_1.s: Ditto.
1664
1665 2011-05-30  Ian Lance Taylor  <iant@google.com>
1666
1667         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1668         sections.
1669
1670 2011-05-29  Ian Lance Taylor  <iant@google.com>
1671
1672         PR gold/12804
1673         * testsuite/Makefile.am: Use different file name for two_file_test
1674         temporary file for each incremental test.
1675         * testsuite/Makefile.in: Rebuild.
1676
1677 2011-05-29  Ian Lance Taylor  <iant@google.com>
1678
1679         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1680         binary input file is empty.
1681
1682 2011-05-27  Ian Lance Taylor  <iant@google.com>
1683
1684         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1685         (ver_test_9.so): Likewise.
1686         * testsuite/Makefile.in: Rebuild.
1687
1688 2011-05-26 Cary Coutant  <ccoutant@google.com>
1689
1690         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1691         * incremental.cc (Incremental_inputs::report_input_section): Fix
1692         comment, indentation.
1693         (Incremental_inputs::report_comdat_group): New function.
1694         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1695         of data for incremental input file entry.
1696         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1697         group count, COMDAT group signatures.
1698         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1699         an unchanged input file.
1700         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1701         Initialize new data member.
1702         (Incremental_object_entry::add_comdat_group): New function.
1703         (Incremental_object_entry::get_comdat_group_count): New function.
1704         (Incremental_object_entry::get_comdat_signature_key): New function.
1705         (Incremental_object_entry::groups_): New data member.
1706         (Incremental_inputs::report_comdat_group): New function.
1707         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1708         data for incremental input file entry.
1709         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1710         (Incremental_input_entry_reader::get_input_section): Adjust size of
1711         data for incremental input file entry.
1712         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1713         (Incremental_input_entry_reader::get_comdat_group_signature): New
1714         function.
1715         * object.cc (Sized_relobj::include_section_group): Report kept
1716         COMDAT groups for incremental links.
1717
1718 2011-05-24  David Meyer  <pdox@google.com>
1719
1720         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1721         with name parameter.  Add found_name parameter.
1722         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1723         * dirsearch.h (class Dirsearch): Update declaration.
1724
1725 2011-05-24  Ian Lance Taylor  <iant@google.com>
1726
1727         * archive.cc (Library_base::should_include_member): Pull in object
1728         from archive if it defines the entry symbol.
1729         * parameters.cc (Parameters::entry): New function.
1730         * parameters.h (class Parameters): Declare entry.
1731         * output.h (class Output_file_header): Remove entry_ field.
1732         * output.cc (Output_file_header::Output_file_header): Remove entry
1733         parameter.  Change all callers.
1734         (Output_file_header::entry): Use parameters->entry.
1735         * gold.cc (queue_middle_tasks): Likewise.
1736         * plugin.cc (Plugin_hook::run): Likewise.
1737
1738 2011-05-24 Cary Coutant  <ccoutant@google.com>
1739
1740         * gold.cc (queue_initial_tasks): Pass incremental base filename
1741         to Output_file::open_base_file; don't print error message.
1742         * incremental-dump.cc (main): Adjust call to
1743         Output_file::open_for_modification.
1744         * incremental-dump.cc (main): Likewise.
1745         * incremental.cc (Incremental_inputs::report_command_line):
1746         Ignore --incremental-base option when comparing command lines.
1747         Ignore parameter when given as separate argument.
1748         * options.h (class General_options): Add --incremental-base.
1749         * output.cc (Output_file::Output_file):
1750         (Output_file::open_base_file): Add base_name and writable parameters;
1751         read base file into new file; print error message here.
1752         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1753         callers.
1754         * output.h (Output_file::open_for_modification): Rename to...
1755         (Output_file::open_base_file): ...this; add base_name and
1756         writable parameters; adjust all callers.
1757         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1758         callers.
1759         * testsuite/Makefile.am (incremental_test_4): Test
1760         --incremental-base.
1761         * testsuite/Makefile.in: Regenerate.
1762
1763 2011-05-24 Cary Coutant  <ccoutant@google.com>
1764
1765         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1766         incremental_test_4.
1767         * testsuite/Makefile.in: Regenerate.
1768         * testsuite/two_file_test_1_v1.cc: New test source file.
1769         * testsuite/two_file_test_1b_v1.cc: New test source file.
1770         * testsuite/two_file_test_2_v1.cc: New test source file.
1771
1772 2011-05-24 Cary Coutant  <ccoutant@google.com>
1773
1774         * dynobj.h (Dynobj::do_dynobj): New function.
1775         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1776         flag and soname for shared objects.
1777         * incremental.cc (Incremental_inputs::report_object): Make
1778         either Incremental_object_entry or Incremental_dynobj_entry; add
1779         soname to string table.
1780         (Incremental_inputs::report_input_section): Add assertion.
1781         (Output_section_incremental_inputs::set_final_data_size): Adjust
1782         type of input file entry for shared libraries; adjust size of
1783         shared library info entry.
1784         (Output_section_incremental_inputs::write_input_files): Write
1785         as_needed flag for shared libraries.
1786         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1787         of input file entry for shared libraries; write soname.
1788         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1789         soname from incremental info.
1790         * incremental.h (enum Incremental_input_flags): Add
1791         INCREMENTAL_INPUT_AS_NEEDED.
1792         (Incremental_input_entry::Incremental_input_entry): Initialize new
1793         data member.
1794         (Incremental_input_entry::set_as_needed): New function.
1795         (Incremental_input_entry::as_needed): New function.
1796         (Incremental_input_entry::do_dynobj_entry): New function.
1797         (Incremental_input_entry::as_needed_): New data member.
1798         (Incremental_object_entry::Incremental_object_entry): Don't check
1799         for shared library.
1800         (Incremental_object_entry::do_type): Likewise.
1801         (class Incremental_dynobj_entry): New class.
1802         (Incremental_input_entry_reader::as_needed): New function.
1803         (Incremental_input_entry_reader::get_soname): New function.
1804         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1805         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1806         size of shared library info entry.
1807         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1808         incremental link when adding DT_NEEDED entries.
1809         * object.h (Object::Object): Initialize new data member.
1810         (Object::dynobj): New function.
1811         (Object::set_as_needed): New function.
1812         (Object::as_needed): New function.
1813         (Object::do_dynobj): New function.
1814         (Object::as_needed_): New data member.
1815
1816 2011-05-24 Cary Coutant  <ccoutant@google.com>
1817
1818         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1819         info; adjust display of GOT entries.
1820         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1821         vector of input objects; remove file_status_.
1822         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1823         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1824         got_plt reader; call target hooks to reserve GOT entries.
1825         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1826         of input file info header and GOT info entry.
1827         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1828         relocation info.
1829         (Got_plt_view_info::got_descriptor): Remove.
1830         (Got_plt_view_info::sym_index): New data member.
1831         (Got_plt_view_info::input_index): New data member.
1832         (Local_got_offset_visitor::visit): Write input file index.
1833         (Global_got_offset_visitor::visit): Write 0 for input file index.
1834         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1835         with sym_index and input_index.
1836         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1837         incremental info GOT entry; replace got_descriptor with input_index.
1838         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1839         map from input file index to object.
1840         (Sized_relobj_incr::do_layout): Replace direct data member reference
1841         with accessor function.
1842         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1843         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1844         Adjust size of input file info header.
1845         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1846         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1847         (Incremental_input_entry_reader::get_input_section): Adjust size of
1848         input file info header.
1849         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1850         of incremental info GOT entry.
1851         (Incremental_got_plt_reader::get_got_desc): Remove.
1852         (Incremental_got_plt_reader::get_got_symndx): New function.
1853         (Incremental_got_plt_reader::get_got_input_index): New function.
1854         (Sized_incremental_binary::Sized_incremental_binary): Remove
1855         file_status_; add input_objects_.
1856         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1857         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1858         (Sized_incremental_binary::file_is_unchanged): Remove.
1859         (Sized_incremental_binary::set_input_object): New function.
1860         (Sized_incremental_binary::input_object): New function.
1861         (Sized_incremental_binary::file_status_): Remove.
1862         (Sized_incremental_binary::input_objects_): New data member.
1863         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1864         references.
1865         (Sized_relobj_incr::invalid_address): Move to base class.
1866         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1867         class.
1868         (Sized_relobj_incr::do_output_section_offset): Likewise.
1869         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1870         (Sized_relobj_incr::section_offsets_): Likewise.
1871         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1872         function.
1873         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1874         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1875         with accessor function.
1876         (Sized_relobj_file::do_layout): Likewise.
1877         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1878         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1879         (Sized_relobj_file::compute_final_local_value): Replace refs to
1880         section_offsets_ with accessor function.
1881         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1882         * object.h (Relobj::Relobj): Initialize new data members.
1883         (Relobj::add_dyn_reloc): New function.
1884         (Relobj::first_dyn_reloc): New function.
1885         (Relobj::dyn_reloc_count): New function.
1886         (Relobj::first_dyn_reloc_): New data member.
1887         (Relobj::dyn_reloc_count_): New data member.
1888         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1889         references.
1890         (Sized_relobj::Address): New typedef.
1891         (Sized_relobj::invalid_address): Move here from child class.
1892         (Sized_relobj::Sized_relobj): Initialize new data members.
1893         (Sized_relobj::sized_relobj): New function.
1894         (Sized_relobj::is_output_section_offset_invalid): Move here from
1895         child class.
1896         (Sized_relobj::get_output_section_offset): Likewise.
1897         (Sized_relobj::local_has_got_offset): Likewise.
1898         (Sized_relobj::local_got_offset): Likewise.
1899         (Sized_relobj::set_local_got_offset): Likewise.
1900         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1901         (Sized_relobj::clear_got_offsets): New function.
1902         (Sized_relobj::section_offsets): Move here from child class.
1903         (Sized_relobj::do_output_section_offset): Likewise.
1904         (Sized_relobj::do_set_section_offset): Likewise.
1905         (Sized_relobj::Local_got_offsets): Likewise.
1906         (Sized_relobj::local_got_offsets_): Likewise.
1907         (Sized_relobj::section_offsets_): Likewise.
1908         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1909         references.
1910         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1911         class.
1912         (Sized_relobj_file::sized_relobj): New function
1913         (Sized_relobj_file::local_has_got_offset): Move to base class.
1914         (Sized_relobj_file::local_got_offset): Likewise.
1915         (Sized_relobj_file::set_local_got_offset): Likewise.
1916         (Sized_relobj_file::get_output_section_offset): Likewise.
1917         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1918         (Sized_relobj_file::do_output_section_offset): Likewise.
1919         (Sized_relobj_file::do_set_section_offset): Likewise.
1920         (Sized_relobj_file::Local_got_offsets): Likewise.
1921         (Sized_relobj_file::local_got_offsets_): Likewise.
1922         (Sized_relobj_file::section_offsets_): Likewise.
1923         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1924         (all constructors).
1925         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1926         (Output_reloc::get_symbol_index): Likewise.
1927         (Output_reloc::local_section_offset): Likewise.
1928         (Output_reloc::get_address): Likewise.
1929         (Output_reloc::symbol_value): Likewise.
1930         (Output_data_got::reserve_slot): Move to class definition.
1931         (Output_data_got::reserve_local): New function.
1932         (Output_data_got::reserve_slot_for_global): Remove.
1933         (Output_data_got::reserve_global): New function.
1934         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1935         (all constructors, two instantiations).
1936         (Output_reloc::get_relobj): New function (two instantiations).
1937         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1938         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1939         (Output_data_reloc::add_global): Adjust type of relobj.
1940         (Output_data_reloc::add_global_relative): Likewise.
1941         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1942         (Output_data_reloc::add_local): Likewise.
1943         (Output_data_reloc::add_local_relative): Likewise.
1944         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1945         (Output_data_reloc::add_local_section): Likewise.
1946         (Output_data_reloc::add_output_section): Likewise.
1947         (Output_data_reloc::add_absolute): Likewise.
1948         (Output_data_reloc::add_target_specific): Likewise.
1949         (Output_data_got::reserve_slot): Move definition here.
1950         (Output_data_got::reserve_local): New function.
1951         (Output_data_got::reserve_global): New function.
1952         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1953         section_offsets_ with accessor function.
1954         (Sized_relobj_file::write_sections): Likewise.
1955         (Sized_relobj_file::do_relocate_sections): Likewise.
1956         * target.h (Sized_target::reserve_local_got_entry): New function.
1957         (Sized_target::reserve_global_got_entry): New function.
1958         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1959         (Target_x86_64::reserve_global_got_entry): New function.
1960         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1961
1962 2011-05-23 Cary Coutant  <ccoutant@google.com>
1963
1964         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1965         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1966         bit when checking got_type.
1967         * incremental.cc (Sized_incremental_binary::setup_readers):
1968         Store symbol table and string table locations; initialize bit vector
1969         of file status flags.
1970         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1971         unchanged files.
1972         (Sized_incremental_binary::do_process_got_plt): New function.
1973         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1974         (Output_section_incremental_inputs::set_final_data_size): Record
1975         file index for each input file.
1976         (Output_section_incremental_inputs::write_got_plt): Store file index
1977         instead of input entry offset for each GOT entry.
1978         * incremental.h
1979         (Incremental_input_entry::Incremental_input_entry): Initialize new
1980         data member.
1981         (Incremental_input_entry::set_offset): Store file index.
1982         (Incremental_input_entry::get_file_index): New function.
1983         (Incremental_input_entry::file_index_): New data member.
1984         (Incremental_binary::process_got_plt): New function.
1985         (Incremental_binary::do_process_got_plt): New function.
1986         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1987         data members.
1988         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1989         (Sized_incremental_binary::set_file_is_unchanged): New function.
1990         (Sized_incremental_binary::file_is_unchanged): New function.
1991         (Sized_incremental_binary::do_process_got_plt): New function.
1992         (Sized_incremental_binary::file_status_): New data member.
1993         (Sized_incremental_binary::main_symtab_loc_): New data member.
1994         (Sized_incremental_binary::main_strtab_loc_): New data member.
1995         * output.cc (Output_data_got::Got_entry::write): Add case
1996         RESERVED_CODE.
1997         (Output_data_got::add_global): Call add_got_entry.
1998         (Output_data_got::add_global_plt): Likewise.
1999         (Output_data_got::add_global_with_rel): Likewise.
2000         (Output_data_got::add_global_with_rela): Likewise.
2001         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2002         (Output_data_got::add_global_pair_with_rela): Likewise.
2003         (Output_data_got::add_local): Call add_got_entry.
2004         (Output_data_got::add_local_plt): Likewise.
2005         (Output_data_got::add_local_with_rel): Likewise.
2006         (Output_data_got::add_local_with_rela): Likewise.
2007         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2008         (Output_data_got::add_local_pair_with_rela): Likewise.
2009         (Output_data_got::reserve_slot): New function.
2010         (Output_data_got::reserve_slot_for_global): New function.
2011         (Output_data_got::add_got_entry): New function.
2012         (Output_data_got::add_got_entry_pair): New function.
2013         (Output_section::add_output_section_data): Edit FIXME.
2014         * output.h
2015         (Output_section_data_build::Output_section_data_build): New
2016         constructor with size parameter.
2017         (Output_data_space::Output_data_space): Likewise.
2018         (Output_data_got::Output_data_got): Initialize new data member; new
2019         constructor with size parameter.
2020         (Output_data_got::add_constant): Call add_got_entry.
2021         (Output_data_got::reserve_slot): New function.
2022         (Output_data_got::reserve_slot_for_global): New function.
2023         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2024         (Output_data_got::add_got_entry): New function.
2025         (Output_data_got::add_got_entry_pair): New function.
2026         (Output_data_got::free_list_): New data member.
2027         * target.h (Sized_target::init_got_plt_for_update): New function.
2028         (Sized_target::register_global_plt_entry): New function.
2029         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2030         Initialize new data member; call init; add constructor with PLT count.
2031         (Output_data_plt_x86_64::init): New function.
2032         (Output_data_plt_x86_64::add_relocation): New function.
2033         (Output_data_plt_x86_64::reserve_slot): New function.
2034         (Output_data_plt_x86_64::free_list_): New data member.
2035         (Target_x86_64::init_got_plt_for_update): New function.
2036         (Target_x86_64::register_global_plt_entry): New function.
2037         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2038         incremental updates.
2039         (Output_data_plt_x86_64::add_relocation): New function.
2040         * testsuite/object_unittest.cc (Object_test): Set default options.
2041
2042 2011-05-16  Ian Lance Taylor  <iant@google.com>
2043
2044         * options.h (class General_options): Make -i a synonym for -r.
2045
2046 2011-05-16  Ian Lance Taylor  <iant@google.com>
2047
2048         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2049
2050 2011-05-10 Cary Coutant  <ccoutant@google.com>
2051
2052         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2053         strip_all (-s).
2054
2055 2011-05-06  Ian Lance Taylor  <iant@google.com>
2056
2057         * layout.cc (Layout::layout): If the output section flags change,
2058         update the ordering.
2059
2060 2011-04-25 Cary Coutant  <ccoutant@google.com>
2061
2062         * incremental-dump.cc (dump_incremental_inputs): Print local
2063         symbol info for each input file.
2064         * incremental.cc
2065         (Output_section_incremental_inputs::set_final_data_size): Add local
2066         symbol info to input file entries in incremental info.
2067         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2068         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2069         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2070         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2071         implementation.
2072         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2073         (Sized_incr_relobj::do_relocate): Write the local symbols.
2074         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2075         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2076         Adjust size of input file header.
2077         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2078         (Incremental_inputs_reader::get_local_symbol_count): New function.
2079         (Incremental_inputs_reader::get_input_section): Adjust size of input
2080         file header.
2081         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2082         (Sized_incr_relobj::This): New typedef.
2083         (Sized_incr_relobj::sym_size): New const data member.
2084         (Sized_incr_relobj::Local_symbol): New struct.
2085         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2086         (Sized_incr_relobj::do_local_symbol_offset): New function.
2087         (Sized_incr_relobj::local_symbol_count_): New data member.
2088         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2089         (Sized_incr_relobj::local_symbol_index_): New data member.
2090         (Sized_incr_relobj::local_symbol_offset_): New data member.
2091         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2092         (Sized_incr_relobj::local_symbols_): New data member.
2093         * object.h (Relobj::output_local_symbol_count): New function.
2094         (Relobj::local_symbol_offset): New function.
2095         (Relobj::do_output_local_symbol_count): New function.
2096         (Relobj::do_local_symbol_offset): New function.
2097         (Sized_relobj::do_output_local_symbol_count): New function.
2098         (Sized_relobj::do_local_symbol_offset): New function.
2099
2100 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2101
2102         * descriptors.cc (set_close_on_exec): New function.
2103         (Descriptors::open): Use set_close_on_exec.
2104         * output.cc (S_ISLNK): Define if not defined.
2105
2106 2011-04-22 Cary Coutant  <ccoutant@google.com>
2107
2108         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2109         global symbol map.
2110         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2111         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2112         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2113         relocations.
2114         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2115         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2116         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2117         * incremental.h
2118         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2119         function.
2120         (Incremental_binary::apply_incremental_relocs): New function.
2121         (Incremental_binary::do_apply_incremental_relocs): New function.
2122         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2123         data member.
2124         (Sized_incremental_binary::add_global_symbol): New function.
2125         (Sized_incremental_binary::global_symbol): New function.
2126         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2127         (Sized_incremental_binary::symbol_map_): New data member.
2128         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2129         * target.h (Sized_target::apply_relocation): New function.
2130         * target-reloc.h (apply_relocation): New function.
2131         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2132
2133 2011-04-22  Doug Kwan  <dougkwan@google.com>
2134
2135         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2136         flag of a SHT_ARM_EXIDX section.
2137         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2138         * testsuite/Makefile.in: Regenerate.
2139         * testsuite/arm_exidx_test.s: New file.
2140         * testsuite/arm_exidx_test.sh: Same.
2141
2142 2011-04-20 Cary Coutant  <ccoutant@google.com>
2143
2144         PR gold/12689
2145         * archive.h (Incremental_archive_entry::Archive_member):
2146         Initialize arg_serial_ (second constructor).
2147
2148 2011-04-17  Ian Lance Taylor  <iant@google.com>
2149
2150         * object.cc (Relocate_info::location): Simplify location string.
2151         * errors.cc (Errors::error_at_location): Don't print program
2152         name.
2153         (Errors::warning_at_location): Likewise.
2154         (Errors::undefined_symbol): Likewise.
2155         * testsuite/debug_msg.sh: Update accordingly.
2156
2157 2011-04-14 Cary Coutant  <ccoutant@google.com>
2158
2159         * gold/layout.cc (Layout::symtab_section_offset): New function.
2160         * gold/layout.h (Layout::symtab_section_offset): New function.
2161         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2162
2163 2011-04-12  Ian Lance Taylor  <iant@google.com>
2164
2165         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2166         with MREMAP_MAYMOVE.
2167         * output.h (class Output_file): Add map_is_allocated_ field.
2168         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2169         not available, provide stubs.  If mremap is not available, #define
2170         it to gold_mremap.
2171         (MREMAP_MAYMOVE): Define if not defined.
2172         (Output_file::Output_file): Initialize map_is_allocated_.
2173         (Output_file::resize): Check map_is_allocated_.
2174         (Output_file::map_anonymous): If mmap fails, use malloc.
2175         (Output_file::unmap): Don't do anything for an anonymous map.
2176         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2177         is not available, provide stubs.
2178         (File_read::View::~View): Use free rather than delete[].
2179         (File_read::make_view): Use malloc rather than new[].  If mmap
2180         fails, use malloc.
2181         (File_read::find_or_make_view): Use malloc rather than new[].
2182         * gold.h: Remove HAVE_REMAP code.
2183         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2184         exists.  Rename mremap to gold_mremap.  If mmap is not available
2185         don't do anything.
2186         * configure, config.in: Rebuild.
2187
2188 2011-04-11  Ian Lance Taylor  <iant@google.com>
2189
2190         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2191         initialize local variable v.
2192
2193 2011-04-11  Cary Coutant  <ccoutant@google.com>
2194
2195         * archive.cc (Archive::include_member): Adjust call to
2196         report_object.
2197         (Add_archive_symbols::run): Track argument serial numbers.
2198         (Lib_group::include_member): Likewise.
2199         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2200         * archive.h (Incremental_archive_entry::Archive_member):
2201         Initialize arg_serial_.
2202         (Archive_member::arg_serial_): New data member.
2203         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2204         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2205         incremental link.
2206         (Sized_dynobj::do_for_all_local_got_entries): New function.
2207         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2208         function.
2209         * fileread.cc (get_mtime): New function.
2210         * fileread.h (get_mtime): New function.
2211         * gold.cc (queue_initial_tasks): Check for incremental update.
2212         (process_incremental_input): New function.
2213         (queue_middle_tasks): Don't force valid target for incremental
2214         update.
2215         * incremental-dump.cc (find_input_containing_global): Adjust
2216         size of symbol info entry.
2217         (dump_incremental_inputs): Dump argument serial number and
2218         in_system_directory flag; bias shndx by 1; print symbol names
2219         when dumping per-file symbol lists; use new symbol info readers.
2220         * incremental.cc
2221         (Output_section_incremental_inputs:update_data_size): New function.
2222         (Sized_incremental_binary::setup_readers): Setup input readers
2223         for each input file; build maps for files added from libraries
2224         and scripts.
2225         (Sized_incremental_binary::check_input_args): New function.
2226         (Sized_incremental_binary::do_check_inputs): Build map of argument
2227         serial numbers to input arguments.
2228         (Sized_incremental_binary::do_file_has_changed): Rename
2229         do_file_is_unchanged to this; compare file modification times.
2230         (Sized_incremental_binary::do_init_layout): New function.
2231         (Sized_incremental_binary::do_reserve_layout): New function.
2232         (Sized_incremental_binary::do_get_input_reader): Remove.
2233         (Sized_incremental_binary::get_symtab_view): New function.
2234         (Incremental_checker::can_incrementally_link_output_file): Remove.
2235         (Incremental_inputs::report_command_line): Exclude --debug options.
2236         (Incremental_inputs::report_archive_begin): Add parameter; track
2237         argument serial numbers; don't put input file entry for archive
2238         before archive members.
2239         (Incremental_inputs::report_archive_end): Put input file entry
2240         for archive after archive members.
2241         (Incremental_inputs::report_object): Add parameter; track argument
2242         serial numbers and in_system_directory flag.
2243         (Incremental_inputs::report_script): Add parameter; track argument
2244         serial numbers.
2245         (Output_section_incremental_inputs::set_final_data_size): Adjust
2246         size of symbol info entry; check for forwarding symbols.
2247         (Output_section_incremental_inputs::write_input_files): Write
2248         in_system_directory flag and argument serial number.
2249         (Output_section_incremental_inputs::write_info_blocks): Map section
2250         indices between incremental info and original input file; store
2251         input section index for each symbol.
2252         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2253         change operator() to visit().
2254         (class Global_got_offset_visitor): Likewise.
2255         (class Global_symbol_visitor_got_plt):
2256         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2257         classes.
2258         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2259         (Sized_incr_relobj::do_read_symbols): New function.
2260         (Sized_incr_relobj::do_layout): New function.
2261         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2262         (Sized_incr_relobj::do_add_symbols): New function.
2263         (Sized_incr_relobj::do_should_include_member): New function.
2264         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2265         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2266         (Sized_incr_relobj::do_section_size): New function.
2267         (Sized_incr_relobj::do_section_name): New function.
2268         (Sized_incr_relobj::do_section_contents): New function.
2269         (Sized_incr_relobj::do_section_flags): New function.
2270         (Sized_incr_relobj::do_section_entsize): New function.
2271         (Sized_incr_relobj::do_section_address): New function.
2272         (Sized_incr_relobj::do_section_type): New function.
2273         (Sized_incr_relobj::do_section_link): New function.
2274         (Sized_incr_relobj::do_section_info): New function.
2275         (Sized_incr_relobj::do_section_addralign): New function.
2276         (Sized_incr_relobj::do_initialize_xindex): New function.
2277         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2278         (Sized_incr_relobj::do_read_relocs): New function.
2279         (Sized_incr_relobj::do_gc_process_relocs): New function.
2280         (Sized_incr_relobj::do_scan_relocs): New function.
2281         (Sized_incr_relobj::do_count_local_symbols): New function.
2282         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2283         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2284         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2285         (Sized_incr_relobj::do_relocate): New function.
2286         (Sized_incr_relobj::do_set_section_offset): New function.
2287         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2288         (Sized_incr_dynobj::do_read_symbols): New function.
2289         (Sized_incr_dynobj::do_layout): New function.
2290         (Sized_incr_dynobj::do_add_symbols): New function.
2291         (Sized_incr_dynobj::do_should_include_member): New function.
2292         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2293         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2294         (Sized_incr_dynobj::do_section_size): New function.
2295         (Sized_incr_dynobj::do_section_name): New function.
2296         (Sized_incr_dynobj::do_section_contents): New function.
2297         (Sized_incr_dynobj::do_section_flags): New function.
2298         (Sized_incr_dynobj::do_section_entsize): New function.
2299         (Sized_incr_dynobj::do_section_address): New function.
2300         (Sized_incr_dynobj::do_section_type): New function.
2301         (Sized_incr_dynobj::do_section_link): New function.
2302         (Sized_incr_dynobj::do_section_info): New function.
2303         (Sized_incr_dynobj::do_section_addralign): New function.
2304         (Sized_incr_dynobj::do_initialize_xindex): New function.
2305         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2306         (make_sized_incremental_object): New function.
2307         (Incremental_library::copy_unused_symbols): New function.
2308         (Incremental_library::do_for_all_unused_symbols): New function.
2309         * incremental.h (enum Incremental_input_flags): New type.
2310         (class Incremental_checker): Remove.
2311         (Incremental_input_entry::Incremental_input_entry): Add argument
2312         serial number.
2313         (Incremental_input_entry::arg_serial): New function.
2314         (Incremental_input_entry::set_is_in_system_directory): New function.
2315         (Incremental_input_entry::is_in_system_directory): New function.
2316         (Incremental_input_entry::arg_serial_): New data member.
2317         (Incremental_input_entry::is_in_system_directory_): New data member.
2318         (class Script_info): Move here from script.h.
2319         (Script_info::Script_info): Add filename parameter.
2320         (Script_info::filename): New function.
2321         (Script_info::filename_): New data member.
2322         (Incremental_script_entry::Incremental_script_entry): Add argument
2323         serial number.
2324         (Incremental_object_entry::Incremental_object_entry): Likewise.
2325         (Incremental_object_entry::add_input_section): Build list of input
2326         sections with map to original shndx.
2327         (Incremental_object_entry::get_input_section_index): New function.
2328         (Incremental_object_entry::shndx_): New data member.
2329         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2330         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2331         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2332         serial number.
2333         (Incremental_inputs::report_archive_begin): Likewise.
2334         (Incremental_inputs::report_object): Likewise.
2335         (Incremental_inputs::report_script): Likewise.
2336         (class Incremental_global_symbol_reader): New class.
2337         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2338         and store flags and input file type.
2339         (Incremental_input_entry_reader::arg_serial): New function.
2340         (Incremental_input_entry_reader::type): Extract type from flags.
2341         (Incremental_input_entry_reader::is_in_system_directory): New function.
2342         (Incremental_input_entry_reader::get_input_section_count): Call
2343         accessor function for type.
2344         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2345         function for type; adjust size of global symbol entry.
2346         (Incremental_input_entry_reader::get_global_symbol_count): Call
2347         accessor function for type.
2348         (Incremental_input_entry_reader::get_object_count): Likewise.
2349         (Incremental_input_entry_reader::get_object_offset): Likewise.
2350         (Incremental_input_entry_reader::get_member_count): Likewise.
2351         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2352         (Incremental_input_entry_reader::get_member_offset): Likewise.
2353         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2354         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2355         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2356         (Incremental_input_entry_reader::get_global_symbol_reader): New
2357         function.
2358         (Incremental_input_entry_reader::get_output_symbol_index): New
2359         function.
2360         (Incremental_input_entry_reader::type_): Remove.
2361         (Incremental_input_entry_reader::flags_): New data member.
2362         (Incremental_inputs_reader::input_file_offset): New function.
2363         (Incremental_inputs_reader::input_file_index): New function.
2364         (Incremental_inputs_reader::input_file): Call input_file_offset.
2365         (Incremental_inputs_reader::input_file_at_offset): New function.
2366         (Incremental_relocs_reader::get_r_type): Reformat.
2367         (Incremental_relocs_reader::get_r_shndx): Reformat.
2368         (Incremental_relocs_reader::get_r_offset): Reformat.
2369         (Incremental_relocs_reader::data): New function.
2370         (Incremental_binary::Incremental_binary): Initialize new data members.
2371         (Incremental_binary::check_inputs): Add cmdline parameter.
2372         (Incremental_binary::file_is_unchanged): Remove.
2373         (Input_reader::arg_serial): New function.
2374         (Input_reader::get_unused_symbol_count): New function.
2375         (Input_reader::get_unused_symbol): New function.
2376         (Input_reader::do_arg_serial): New function.
2377         (Input_reader::do_get_unused_symbol_count): New function.
2378         (Input_reader::do_get_unused_symbol): New function.
2379         (Incremental_binary::input_file_count): New function.
2380         (Incremental_binary::get_input_reader): Change signature to use
2381         index instead of filename.
2382         (Incremental_binary::file_has_changed): New function.
2383         (Incremental_binary::get_input_argument): New function.
2384         (Incremental_binary::get_library): New function.
2385         (Incremental_binary::get_script_info): New function.
2386         (Incremental_binary::init_layout): New function.
2387         (Incremental_binary::reserve_layout): New function.
2388         (Incremental_binary::output_file): New function.
2389         (Incremental_binary::do_check_inputs): New function.
2390         (Incremental_binary::do_file_is_unchanged): Remove.
2391         (Incremental_binary::do_file_has_changed): New function.
2392         (Incremental_binary::do_init_layout): New function.
2393         (Incremental_binary::do_reserve_layout): New function.
2394         (Incremental_binary::do_input_file_count): New function.
2395         (Incremental_binary::do_get_input_reader): Change signature.
2396         (Incremental_binary::input_args_map_): New data member.
2397         (Incremental_binary::library_map_): New data member.
2398         (Incremental_binary::script_map_): New data member.
2399         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2400         new data members.
2401         (Sized_incremental_binary::output_section): New function.
2402         (Sized_incremental_binary::inputs_reader): Add const.
2403         (Sized_incremental_binary::symtab_reader): Add const.
2404         (Sized_incremental_binary::relocs_reader): Add const.
2405         (Sized_incremental_binary::got_plt_reader): Add const.
2406         (Sized_incremental_binary::get_symtab_view): New function.
2407         (Sized_incremental_binary::Inputs_reader): New typedef.
2408         (Sized_incremental_binary::Input_entry_reader): New typedef.
2409         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2410         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2411         (Sized_incremental_binary::do_file_has_changed): New function.
2412         (Sized_incremental_binary::do_init_layout): New function.
2413         (Sized_incremental_binary::do_reserve_layout): New function.
2414         (Sized_input_reader::Inputs_reader): Remove.
2415         (Sized_input_reader::Input_entry_reader): Remove.
2416         (Sized_input_reader::do_arg_serial): New function.
2417         (Sized_input_reader::do_get_unused_symbol_count): New function.
2418         (Sized_input_reader::do_get_unused_symbol): New function.
2419         (Sized_incremental_binary::do_input_file_count): New function.
2420         (Sized_incremental_binary::do_get_input_reader): Change signature;
2421         use index instead of filename.
2422         (Sized_incremental_binary::section_map_): New data member.
2423         (Sized_incremental_binary::input_entry_readers_): New data member.
2424         (class Sized_incr_relobj): New class.
2425         (class Sized_incr_dynobj): New class.
2426         (make_sized_incremental_object): New function.
2427         (class Incremental_library): New class.
2428         * layout.cc (Free_list::num_lists): New static data member.
2429         (Free_list::num_nodes): New static data member.
2430         (Free_list::num_removes): New static data member.
2431         (Free_list::num_remove_visits): New static data member.
2432         (Free_list::num_allocates): New static data member.
2433         (Free_list::num_allocate_visits): New static data member.
2434         (Free_list::init): New function.
2435         (Free_list::remove): New function.
2436         (Free_list::allocate): New function.
2437         (Free_list::dump): New function.
2438         (Free_list::print_stats): New function.
2439         (Layout_task_runner::run): Resize output file for incremental updates.
2440         (Layout::Layout): Initialize new data members.
2441         (Layout::set_incremental_base): New function.
2442         (Layout::init_fixed_output_section): New function.
2443         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2444         incremental updates.
2445         (Layout::create_gold_note): Do not create gold note section for
2446         incremental updates.
2447         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2448         for incremental updates.
2449         (Layout::set_section_offsets): For incremental updates, allocate space
2450         from free list.
2451         (Layout::create_symtab_sections): Layout with offsets relative to
2452         start of section; for incremental updates, allocate space from free
2453         list.
2454         (Layout::create_shdrs): For incremental updates, allocate space from
2455         free list.
2456         (Layout::finish_dynamic_section): For incremental updates, do not
2457         check --as-needed (fixed in subsequent patch).
2458         * layout.h (class Free_list): New class.
2459         (Layout::set_incremental_base): New function.
2460         (Layout::incremental_base): New function.
2461         (Layout::init_fixed_output_section): New function.
2462         (Layout::allocate): New function.
2463         (Layout::incremental_base_): New data member.
2464         (Layout::free_list_): New data member.
2465         * main.cc (main): Print Free_list statistics.
2466         * object.cc (Relobj::finalize_incremental_relocs): Add
2467         clear_counts parameter; clear counts only when clear_counts is set.
2468         (Sized_relobj::Sized_relobj): Initialize new base class.
2469         (Sized_relobj::do_layout): Don't report special sections.
2470         (Sized_relobj::do_for_all_local_got_entries): New function.
2471         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2472         symtab_off to all symbol table offsets.
2473         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2474         * object.h (class Got_offset_list): Move to top of file.
2475         (Object::Object): Allow case where input_file == NULL.
2476         (Object::~Object): Likewise.
2477         (Object::input_file): Assert that input_file != NULL.
2478         (Object::lock): Allow case where input_file == NULL.
2479         (Object::unlock): Likewise.
2480         (Object::is_locked): Likewise.
2481         (Object::token): Likewise.
2482         (Object::release): Likewise.
2483         (Object::is_incremental): New function.
2484         (Object::get_mtime): New function.
2485         (Object::for_all_local_got_entries): New function.
2486         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2487         (Object::set_is_in_system_directory): New function.
2488         (Object::is_in_system_directory): New function.
2489         (Object::do_is_incremental): New function.
2490         (Object::do_get_mtime): New function.
2491         (Object::do_for_all_local_got_entries): New function.
2492         (Object::is_in_system_directory_): New data member.
2493         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2494         (class Sized_relobj_base): New class.
2495         (class Sized_relobj): Derive from Sized_relobj_base.
2496         (class Sized_relobj::Symbols): Redeclare from base class.
2497         (class Sized_relobj::local_got_offset_list): Remove.
2498         (class Sized_relobj::Output_sections): Redeclare from base class.
2499         (class Sized_relobj::do_for_all_local_got_entries): New function.
2500         (class Sized_relobj::write_local_symbols): Add offset parameter.
2501         (class Sized_relobj::local_symbol_offset_): Update comment.
2502         (class Sized_relobj::local_dynsym_offset_): Update comment.
2503         * options.cc (Input_arguments::add_file): Remove const.
2504         * options.h (Input_file_argument::Input_file_argument):
2505         Initialize arg_serial_ (all constructors).
2506         (Input_file_argument::set_arg_serial): New function.
2507         (Input_file_argument::arg_serial): New function.
2508         (Input_file_argument::arg_serial_): New data member.
2509         (Input_arguments::Input_arguments): Initialize file_count_.
2510         (Input_arguments::add_file): Remove const.
2511         (Input_arguments::number_of_input_files): New function.
2512         (Input_arguments::file_count_): New data member.
2513         (Command_line::number_of_input_files): Call
2514         Input_arguments::number_of_input_files.
2515         * output.cc (Output_segment_headers::Output_segment_headers):
2516         Set current size.
2517         (Output_section::Input_section::current_data_size): New function.
2518         (Output_section::Output_section): Initialize new data members.
2519         (Output_section::add_input_section): Don't do merge sections for
2520         an incremental link; allocate space from free list for an
2521         incremental update.
2522         (Output_section::add_output_section_data): Allocate space from
2523         free list for an incremental update.
2524         (Output_section::update_data_size): New function.
2525         (Output_section::set_fixed_layout): New function.
2526         (Output_section::reserve): New function.
2527         (Output_segment::set_section_addresses): Remove const.
2528         (Output_segment::set_section_list_addresses): Remove const; allocate
2529         space from free list for an incremental update.
2530         (Output_segment::set_offset): Adjust size of RELRO segment for an
2531         incremental update.
2532         * output.h (Output_data::current_data_size): Move here from
2533         child classes.
2534         (Output_data::pre_finalize_data_size): New function.
2535         (Output_data::update_data_size): New function.
2536         (Output_section_headers::update_data_size): new function.
2537         (Output_section_data_build::current_data_size): Move to Output_data.
2538         (Output_data_strtab::update_data_size): New function.
2539         (Output_section::current_data_size): Move to Output_data.
2540         (Output_section::set_fixed_layout): New function.
2541         (Output_section::has_fixed_layout): New function.
2542         (Output_section::reserve): New function.
2543         (Output_section::update_data_size): New function.
2544         (Output_section::has_fixed_layout_): New data member.
2545         (Output_section::free_list_): New data member.
2546         (Output_segment::set_section_addresses): Remove const.
2547         (Output_segment::set_section_list_addresses): Remove const.
2548         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2549         New function.
2550         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2551         New function.
2552         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2553         parameter when calling Add_symbols constructor; store argument
2554         serial number for members of a lib group.
2555         (Add_symbols::locks): Allow case where token == NULL.
2556         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2557         (Read_member::~Read_member): New function.
2558         (Read_member::is_runnable): New function.
2559         (Read_member::locks): New function.
2560         (Read_member::run): New function.
2561         (Check_script::~Check_script): New function.
2562         (Check_script::is_runnable): New function.
2563         (Check_script::locks): New function.
2564         (Check_script::run): New function.
2565         (Check_library::~Check_library): New function.
2566         (Check_library::is_runnable): New function.
2567         (Check_library::locks): New function.
2568         (Check_library::run): New function.
2569         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2570         (Add_symbols::library_): New data member.
2571         (class Read_member): New class.
2572         (class Check_script): New class.
2573         (class Check_library): New class.
2574         * reloc.cc (Read_relocs::is_runnable): Allow case where
2575         token == NULL.
2576         (Read_relocs::locks): Likewise.
2577         (Scan_relocs::locks): Likewise.
2578         (Relocate_task::locks): Likewise.
2579         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2580         to clear counters.
2581         (Sized_relobj::incremental_relocs_scan): Fix comment.
2582         (Sized_relobj::do_relocate): Pass output file offset to
2583         write_local_symbols.
2584         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2585         from class declaration.
2586         * script.cc (read_input_script): Allocate Script_info; pass
2587         argument serial number to report_script.
2588         * script.h (class Script_info): Move to incremental.h.
2589         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2590         * symtab.h (Symbol_table::add_from_incrobj): New function.
2591         (Symbol_table::set_file_offset): New function.
2592
2593 2011-04-05  Cary Coutant  <ccoutant@google.com>
2594
2595         * incremental-dump.cc (dump_incremental_inputs): Change signature
2596         to take a Sized_incremental_binary; change caller.  Use readers
2597         in Sized_incremental_binary.
2598         * incremental.cc
2599         (Sized_incremental_binary::find_incremental_inputs_sections):
2600         Rename do_find_incremental_inputs_sections to this.
2601         (Sized_incremental_binary::setup_readers): New function.
2602         (Sized_incremental_binary::do_check_inputs): Check
2603         has_incremental_info_ flag; move setup code to setup_readers;
2604         use input readers.
2605         (Sized_incremental_binary::do_file_is_unchanged): New function.
2606         (Sized_incremental_binary::do_get_input_reader): New function.
2607         * incremental.h (class Incremental_binary): Move to end of file.
2608         (Incremental_binary::file_is_unchanged): New function.
2609         (Incremental_binary::do_file_is_unchanged): New function.
2610         (Incremental_binary::Input_reader): New class.
2611         (Incremental_binary::get_input_reader): New function.
2612         (class Sized_incremental_binary): Move to end of file.
2613         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2614         input section reader classes.
2615         (Sized_incremental_binary::has_incremental_info): New function.
2616         (Sized_incremental_binary::inputs_reader): New function.
2617         (Sized_incremental_binary::symtab_reader): New function.
2618         (Sized_incremental_binary::relocs_reader): New function.
2619         (Sized_incremental_binary::got_plt_reader): New function.
2620         (Sized_incremental_binary::do_file_is_unchanged): New function.
2621         (Sized_incremental_binary::Sized_input_reader): New class.
2622         (Sized_incremental_binary::get_input_reader): New function.
2623         (Sized_incremental_binary::find_incremental_inputs_sections):
2624         Rename do_find_incremental_inputs_sections to this.
2625         (Sized_incremental_binary::setup_readers): New function.
2626         (Sized_incremental_binary::has_incremental_info_): New data member.
2627         (Sized_incremental_binary::inputs_reader_): New data member.
2628         (Sized_incremental_binary::symtab_reader_): New data member.
2629         (Sized_incremental_binary::relocs_reader_): New data member.
2630         (Sized_incremental_binary::got_plt_reader_): New data member.
2631         (Sized_incremental_binary::current_input_file_): New data member.
2632
2633 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2634
2635         PR gold/12640
2636         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2637         violation.
2638
2639 2011-03-30  Cary Coutant  <ccoutant@google.com>
2640
2641         * archive.cc (Archive::include_member): Adjust call to report_object.
2642         (Add_archive_symbols::run): Add script_info to call to
2643         report_archive_begin.
2644         (Lib_group::include_member): Adjust call to report_object.
2645         (Add_lib_group_symbols::run): Adjust call to report_object.
2646         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2647         blocks.  Add object count for script input files.
2648         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2649         script_info parameter; change all callers.
2650         (Incremental_inputs::report_object): Add script_info parameter;
2651         change all callers.
2652         (Incremental_inputs::report_script): Store backpointer to
2653         incremental info entry.
2654         (Output_section_incremental_inputs::set_final_data_size): Record
2655         additional information for scripts.
2656         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2657         * incremental.h (Incremental_script_entry::add_object): New function.
2658         (Incremental_script_entry::get_object_count): New function.
2659         (Incremental_script_entry::get_object): New function.
2660         (Incremental_script_entry::objects_): New data member; adjust
2661         constructor.
2662         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2663         (Incremental_inputs::report_object): Add script_info parameter.
2664         (Incremental_inputs_reader::get_object_count): New function.
2665         (Incremental_inputs_reader::get_object_offset): New function.
2666         * options.cc (Input_arguments::add_file): Return reference to
2667         new input argument.
2668         * options.h (Input_argument::set_script_info): New function.
2669         (Input_argument::script_info): New function.
2670         (Input_argument::script_info_): New data member; adjust all
2671         constructors.
2672         (Input_file_group::add_file): Return reference to new input argument.
2673         (Input_file_lib::add_file): Likewise.
2674         (Input_arguments::add_file): Likewise.
2675         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2676         * script.cc (Parser_closure::Parser_closure): Add script_info
2677         parameter; adjust all callers.
2678         (Parser_closure::script_info): New function.
2679         (Parser_closure::script_info_): New data member.
2680         (read_input_script): Report scripts earlier to incremental info.
2681         (script_add_file): Set script_info in Input_argument.
2682         (script_add_library): Likewise.
2683         * script.h (Script_options::Script_info): Rewrite class.
2684
2685 2011-03-29  Cary Coutant  <ccoutant@google.com>
2686
2687         * archive.cc (Library_base::should_include_member): Move
2688         method here from class Archive.
2689         (Archive::Archive): Initialize base class.
2690         (Archive::should_include_member): Move to base class.
2691         (Archive::do_for_all_unused_symbols): New function.
2692         (Add_archive_symbols::run): Remove redundant access to
2693         incremental_inputs.
2694         (Lib_group::Lib_group): Initialize base class.
2695         (Lib_group::do_filename): New function.
2696         (Lib_group::include_member): Pass pointer to Lib_group to
2697         report_object.
2698         (Lib_group::do_for_all_unused_symbols): New function.
2699         (Add_lib_group_symbols::run): Report archive information for
2700         incremental links.
2701         * archive.h (class Library_base): New base class.
2702         (class Archive): Derive from Library_base.
2703         (Archive::filename): Move to base class.
2704         (Archive::set_incremental_info): Likewise.
2705         (Archive::incremental_info): Likewise.
2706         (Archive::Should_include): Likewise.
2707         (Archive::should_include_member): Likewise.
2708         (Archive::Armap_entry): Remove.
2709         (Archive::Unused_symbol_iterator): Remove.
2710         (Archive::unused_symbols_begin): Remove.
2711         (Archive::unused_symbols_end): Remove.
2712         (Archive::do_filename): New function.
2713         (Archive::do_get_mtime): New function.
2714         (Archive::do_for_all_unused_symbols): New function.
2715         (Archive::task_): Move to base class.
2716         (Archive::incremental_info_): Likewise.
2717         (class Lib_group): Derive from Library_base.
2718         (Lib_group::do_filename): New function.
2719         (Lib_group::do_get_mtime): New function.
2720         (Lib_group::do_for_all_unused_symbols): New function.
2721         (Lib_group::task_): Move to base class.
2722         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2723         function.
2724         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2725         function.
2726         * incremental.cc (Incremental_inputs::report_archive_begin):
2727         Use Library_base; call library's get_mtime; add incremental inputs
2728         entry before members.
2729         (class Unused_symbol_visitor): New class.
2730         (Incremental_inputs::report_archive_end): Use Library_base; use
2731         visitor class to record unused symbols; don't add incremental inputs
2732         entry after members.
2733         (Incremental_inputs::report_object): Use Library_base.
2734         * incremental.h
2735         (Incremental_archive_entry::Incremental_archive_entry): Remove
2736         unused Archive parameter.
2737         (Incremental_inputs::report_archive_begin): Use Library_base.
2738         (Incremental_inputs::report_archive_end): Likewise.
2739         (Incremental_inputs::report_object): Likewise.
2740         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2741         function.
2742         * object.h (Object::for_all_global_symbols): New function.
2743         (Object::do_for_all_global_symbols): New function.
2744         (Sized_relobj::do_for_all_global_symbols): New function.
2745         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2746         function.
2747         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2748         function.
2749
2750 2011-03-27  Ian Lance Taylor  <iant@google.com>
2751
2752         * archive.cc (Archive::interpret_header): Return -1 if something
2753         goes wrong.  Change callers accordingly.
2754
2755 2011-03-25  Cary Coutant  <ccoutant@google.com>
2756
2757         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2758         * testsuite/Makefile.in: Regenerate.
2759
2760 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2761
2762         * plugin.cc (get_view): New.
2763         (Plugin::load): Pass get_view to the plugin.
2764         (Plugin_manager::get_view): New.
2765
2766 2011-03-21  Ian Lance Taylor  <iant@google.com>
2767
2768         * testsuite/final_layout.sh: Rewrite to not use dc.
2769         * testsuite/relro_test.sh: Fail if dc is not present.
2770
2771 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2772
2773         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2774         Change == to -eq.
2775         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2776         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2777         Change == to -eq.
2778         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2779         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2780
2781 2011-03-14  Ian Lance Taylor  <iant@google.com>
2782
2783         * script-sections.cc (Sort_output_sections::script_compare):
2784         Rename from is_before, change return type.
2785         (Sort_output_sections::operator()): Adjust accordingly.
2786
2787 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2788
2789         PR gold/12572
2790         * testsuite/odr_violation2.cc: Add comment to make all error line
2791         numbers double digits.
2792         * testsuite/debug_msg.sh: Adjust expected errors.
2793
2794 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2795
2796         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2797         but mark earlier ones as non-canonical
2798         (offset_to_iterator): Update search target and example
2799         (do_addr2line): Return extra lines in a vector*
2800         (format_file_lineno): Extract from do_addr2line
2801         (one_addr2line): Add vector* out-param
2802         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2803         when a lineno entry appeared last for its instruction
2804         (Dwarf_line_info): Add vector* out-param
2805         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2806         * symtab.cc (Odr_violation_compare): Include the lineno in the
2807         comparison again.
2808         (linenos_from_loc): New. Combine the canonical line for an
2809         address with its other lines.
2810         (True_if_intersect): New. Helper functor to make
2811         std::set_intersection a query.
2812         (detect_odr_violations): Compare sets of lines instead of just
2813         one line for each function. This became less deterministic, but
2814         has fewer false positives.
2815         * symtab.h: Declarations.
2816         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2817         mix an optimized and non-optimized object in the same binary
2818         (odr_violation2.so): Same.
2819         * testsuite/Makefile.in: Regenerate from Makefile.am.
2820         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2821         * testsuite/debug_msg.sh: Update line numbers and add
2822         assertions.
2823         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2824         non-optimized context.
2825         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2826         isn't inlined, and use OdrDerived in an optimized context.
2827         * testsuite/odr_header1.h: Defines OdrDerived, where
2828         optimization will change the
2829         first-instruction-in-the-destructor's file and line number.
2830         * testsuite/odr_header2.h: Defines OdrBase.
2831
2832 2011-03-09  Ian Lance Taylor  <iant@google.com>
2833
2834         * fileread.cc (File_read::clear_views): Don't delete the whole
2835         file view.
2836
2837 2011-03-08  Ian Lance Taylor  <iant@google.com>
2838
2839         PR gold/12525
2840         * fileread.cc: #include <climits>.
2841         (GOLD_IOV_MAX): Define.
2842         (File_read::read_multiple): Limit number of entries by iov_max.
2843         * fileread.h (class File_read): Always set max_readv_entries to
2844         128.
2845
2846 2011-03-07  Ian Lance Taylor  <iant@google.com>
2847
2848         PR gold/12525
2849         * options.h (class General_options): Add -dy and -dn.
2850
2851 2011-03-02  Cary Coutant  <ccoutant@google.com>
2852
2853         * testsuite/script_test_9.t: Add TLS segment.
2854
2855 2011-03-02  Simon Baldwin  <simonb@google.com>
2856
2857         * configure.ac: Add check for gnu_indirect_function support in
2858         the toolchain building binutils.
2859         * configure: Rebuild.
2860
2861 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2862
2863         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2864         plugin only symbols.
2865         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2866         in plugin files as not needed in the symbol table.
2867
2868 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2869
2870         * output.cc (Output_section::add_input_section): Delay fill
2871         generation for section ordering.
2872
2873 2011-02-09  Ian Lance Taylor  <iant@google.com>
2874
2875         PR gold/12316
2876         * object.h (class Sized_relobj): Remove clear_local_symbols.
2877         * reloc.cc (Sized_relobj::do_relocate): Don't call
2878         clear_local_symbols.
2879
2880 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2881
2882         * plugin.cc (is_visible_from_outside): Return true for symbols
2883         in the -u option.
2884
2885 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2886
2887         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2888         filename.
2889
2890 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2891
2892         * icf.h (is_section_foldable_candidate): Change type of parameter
2893         to std::string.
2894         * icf.cc (Icf::find_identical_sections): Change type of local variable
2895         section_name to be std::string.
2896         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2897
2898 2011-01-25  Ian Lance Taylor  <iant@google.com>
2899
2900         * script.cc (script_add_extern): Rewrite to use
2901         add_symbol_reference.
2902
2903 2011-01-25  Doug Kwan  <dougkwan@google.com>
2904
2905         * icf.cc (get_section_contents): Always lock section's object.
2906
2907 2011-01-24  Ian Lance Taylor  <iant@google.com>
2908
2909         * options.h (class General_options): Accept
2910         --no-detect-odr-violations.
2911
2912 2011-01-24  Ian Lance Taylor  <iant@google.com>
2913
2914         * version.cc (version_string): Bump to 1.11.
2915
2916 2011-01-24  Ian Lance Taylor  <iant@google.com>
2917
2918         * plugin.cc (class Plugin_rescan): Define new class.
2919         (Plugin_manager::claim_file): Set any_claimed_.
2920         (Plugin_manager::save_archive): New function.
2921         (Plugin_manager::save_input_group): New function.
2922         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2923         necessary.
2924         (Plugin_manager::new_undefined_symbol): New function.
2925         (Plugin_manager::rescan): New function.
2926         (Plugin_manager::rescannable_defines): New function.
2927         (Plugin_manager::add_input_file): Set any_added_.
2928         * plugin.h (class Plugin_manager): define new fields rescannable_,
2929         undefined_symbols_, any_claimed_, and any_added_.  Declare
2930         Plugin_rescan as friend.  Declare new functions.
2931         (Plugin_manager::Rescannable): Define type.
2932         (Plugin_manager::Rescannable_list): Define type.
2933         (Plugin_manager::Undefined_symbol_list): Define type.
2934         (Plugin_manager::Plugin_manager): Initialize new fields.
2935         * archive.cc (Archive::defines_symbol): New function.
2936         (Add_archive_symbols::run): Pass archive to plugins if any.
2937         * archive.h (class Archive): Declare defines_symbol.
2938         * readsyms.cc (Input_group::~Input_group): New function.
2939         (Finish_group::run): Pass input_group to plugins if any.
2940         * readsyms.h (class Input_group): Declare destructor.
2941         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2942         any.
2943
2944 2011-01-10  Ian Lance Taylor  <iant@google.com>
2945
2946         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2947         section as relro.
2948         (Layout::set_segment_offsets): Reset increase_relro before calling
2949         set_section_addresses a second time.
2950
2951 2011-01-04  Cary Coutant  <ccoutant@google.com>
2952
2953         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2954         sections before NOBITS sections.
2955
2956 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2957
2958         * version.cc (print_version): Update copyright to 2011.
2959
2960 2010-12-23  Cary Coutant  <ccoutant@google.com>
2961
2962         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2963         of OS to this->add.  Add OD parameter to second form of the function.
2964
2965 2010-12-20  Ian Lance Taylor  <iant@google.com>
2966
2967         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2968         second of two consecutive entries with same offset.
2969
2970 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2971
2972         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2973         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2974         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2975         to avoid unneeded links against $(LDADD).
2976         * testsuite/Makefile.in: Regenerate.
2977
2978 2010-12-15  Ian Lance Taylor  <iant@google.com>
2979
2980         PR gold/12324
2981         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2982         for R_X86_64_32 and R_X86_64_PC32.
2983         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2984         ver_matching_def_pic.o.
2985         (ver_matching_def_pic.o): New target.
2986
2987 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2988
2989         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2990         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2991         Move definition before File_read::View member definitions.
2992         (File_read::View::~View): Initialize and hold lock before
2993         updating current_mapped_bytes.
2994
2995 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2996
2997         * dwarf_reader.cc: Remove outdated comment.
2998         * gold-threads.cc: Fix typo in error message.
2999         * archive.cc: Fix typos in comments.
3000         * archive.h: Likewise.
3001         * arm-reloc-property.cc: Likewise.
3002         * arm-reloc-property.h: Likewise.
3003         * arm-reloc.def: Likewise.
3004         * arm.cc: Likewise.
3005         * attributes.h: Likewise.
3006         * cref.cc: Likewise.
3007         * ehframe.cc: Likewise.
3008         * fileread.h: Likewise.
3009         * gold.h: Likewise.
3010         * i386.cc: Likewise.
3011         * icf.cc: Likewise.
3012         * incremental.h: Likewise.
3013         * int_encoding.cc: Likewise.
3014         * layout.h: Likewise.
3015         * main.cc: Likewise.
3016         * merge.h: Likewise.
3017         * object.cc: Likewise.
3018         * object.h: Likewise.
3019         * options.cc: Likewise.
3020         * readsyms.cc: Likewise.
3021         * reduced_debug_output.cc: Likewise.
3022         * reloc.cc: Likewise.
3023         * script-sections.cc: Likewise.
3024         * sparc.cc: Likewise.
3025         * symtab.h: Likewise.
3026         * target-reloc.h: Likewise.
3027         * target.cc: Likewise.
3028         * target.h: Likewise.
3029         * timer.cc: Likewise.
3030         * timer.h: Likewise.
3031         * x86_64.cc: Likewise.
3032
3033 2010-12-09  Cary Coutant  <ccoutant@google.com>
3034
3035         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3036         stack.
3037         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3038         parameter; change all callers.
3039         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3040         * options.h (warn_execstack): New option.
3041
3042 2010-12-07  Doug Kwan  <dougkwan@google.com>
3043
3044         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3045         like function call relocations.
3046
3047 2010-12-07  Ian Lance Taylor  <iant@google.com>
3048
3049         * archive.cc (Archive::get_elf_object_for_member): Permit
3050         punconfigured to be NULL.
3051         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3052         (Archive::include_member): Pass NULL to get_elf_object_for_member
3053         if we searched for the archive and this is the first included
3054         object.
3055
3056 2010-12-01  Ian Lance Taylor  <iant@google.com>
3057
3058         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3059         track_relocs_type_ field.
3060         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3061         Set track_relocs_type_.
3062         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3063         contents when using RELA relocs.
3064         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3065         reloc_map_.
3066         * reloc.cc (Track_relocs::next_addend): New function.
3067         * reloc.h (class Track_relocs): Declare next_addend.
3068
3069 2010-12-01  Ian Lance Taylor  <iant@google.com>
3070
3071         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3072         virtual destructor.
3073
3074 2010-12-01  Ian Lance Taylor  <iant@google.com>
3075
3076         * README: Update compilers known to work and fail.
3077
3078 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3079
3080         * configure.in: For --enable-gold, handle value `default' instead of
3081         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3082         not the default.
3083         * configure: Regenerate.
3084
3085 2010-11-18  Doug Kwan  <dougkwan@google.com>
3086
3087         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3088         and right_alignment to be zero.  Store result alignment only if it is
3089         greater than existing alignment.
3090
3091 2010-11-16  Cary Coutant  <ccoutant@google.com>
3092
3093         PR gold/12220
3094         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3095         Check for ".zdebug_line".
3096
3097 2010-11-16  Doug Kwan  <dougkwan@google.com>
3098             Cary Coutant  <ccoutant@google.com>
3099
3100         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3101         by reference; adjust all callers.
3102         * output.cc (Output_segment::set_section_addresses): Adjust references
3103         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3104         list is empty.
3105         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3106         end at page boundary.
3107
3108 2010-11-16  Cary Coutant  <ccoutant@google.com>
3109
3110         PR gold/12220
3111         * layout.cc (Layout::choose_output_section): Transform names of
3112         compressed sections even when using a script with a SECTIONS clause.
3113         (Layout::output_section_name): Remove code to transform
3114         compressed debug section names.
3115         * output.cc (Output_section::add_input_section): Use uncompressed
3116         section size when tracking input sections.
3117
3118 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3119
3120         * symtab.h (Symbol::NON_PIC_REF): Remove.
3121         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3122         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3123         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3124         (Symbol::use_plt_offset): Take a flags argument and pass it
3125         directly to needs_dynamic_reloc.  Restrict check for undefined
3126         weak symbols to function calls.
3127         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3128         (Target_arm::Scan::global): Use it.
3129         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3130         (Target_arm::Relocate::relocate): Likewise.
3131         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3132         parameter with an r_type parameter.  Use get_reference_flags
3133         to get the flags.
3134         (Target_arm::Relocate::relocate): Update accordingly.
3135         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3136         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3137         (Target_i386::Scan::global): Likewise.
3138         (Target_i386::Relocate::relocate): Likewise.
3139         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3140         parameter with an r_type parameter.  Use get_reference_flags
3141         to get the flags.
3142         (Target_i386::Relocate::relocate): Update accordingly.
3143         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3144         (Target_powerpc::Scan::global): Use it.
3145         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3146         (Target_powerpc::Relocate::relocate): Likewise.
3147         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3148         (Target_sparc::Scan::global): Use it.
3149         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3150         (Target_sparc::Relocate::relocate): Likewise.
3151         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3152         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3153         (Target_x86_64::Scan::global): Likewise.
3154         (Target_x86_64::Relocate::relocate): Likewise.
3155
3156 2010-11-08  Doug Kwan  <dougkwan@google.com>
3157             Cary Coutant  <ccoutant@google.com>
3158
3159         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3160         (Arm_exidx_merge_section::section_contents_): New data member.
3161         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3162         (Arm_input_section::~Arm_input_section): De-allocate memory.
3163         (Arm_input_section::original_contents_): New data member.       
3164         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3165         in parameters instead of calling Object::section_contents without
3166         locking.
3167         (Arm_output_section::group_section): New parameter TASK.  Pass it
3168         to callees that need locking objects.
3169         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3170         to lock EXIDX input sections.  Fix a formatting issue.  Call
3171         Arm_exidx_merged_section::build_contents to create merged section
3172         contents.
3173         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3174         to lock object of stub table owner.
3175         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3176         TEXT_SIZE to initialize data member TEXT_SIZE_.
3177         (Arm_exidx_input_section::addralign): Fix typo in comment.
3178         (Arm_exidx_input_section::text_size): New method.
3179         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3180         that require locking objects.  Lock objects before scanning for stubs
3181         and updating local symbols.
3182         (Arm_input_section<big_endian>::init): Copy contents of original
3183         input section.
3184         (Arm_input_section<big_endian>::do_write): Use saved contents of
3185         original input section instead of calling Object::section_contents
3186         without locking.
3187         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3188         size without calling Object::section_size().
3189         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3190         for size.  Allocate a buffer for merged EXIDX entries.
3191         (Arm_exidx_merged_section::build_contents): New method.
3192         (Arm_exidx_merged_section::do_write): Move merge section contents
3193         building code to Arm_exidx_merged_section::build_contetns.  Write
3194         out contetns in buffer instead of building it on the fly.
3195         (Arm_relobj::make_exidx_input_section): Also pass text section size
3196         to Arm_exidx_input_section constructor.
3197         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3198         (Arm_dynobj::do_read_symbols): Fix memory leak.
3199         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3200         * target.h: (class Task): Add forward declaration.
3201         (Target::relax): Add new parameter TASK and pass it to
3202         Target::do_relax().
3203         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3204
3205 2010-11-05  Cary Coutant  <ccoutant@google.com>
3206
3207         PR gold/10708
3208         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3209         object when reading from the file.
3210         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3211         second layout pass.
3212         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3213         when reading section contents.
3214         (get_section_contents): Likewise.
3215         (icf::find_identical_sections): Likewise.
3216         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3217         object when reading from the file.
3218         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3219         the object when doing deferred section layout.
3220
3221 2010-11-03  Nick Clifton  <nickc@redhat.com>
3222
3223         PR gold/12001
3224         * script.h (class Symbol_assignment: name): New member.  Returns
3225         the name of the symbol.
3226         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3227         Returns true if the given symbol name is on the list of
3228         assignments wating to be processed.
3229         * archive.cc (should_incldue_member): If the symbol is undefined,
3230         check to see if it is on the list of symbols pending assignment.
3231
3232 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3233
3234         * script-sections.cc (Script_sections::find_memory_region): Check
3235         for a NULL output section pointer.
3236
3237 2010-10-29  Doug Kwan  <dougkwan@google.com>
3238
3239         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3240         Output_section::add_relaxed_input_section.
3241         * output.cc (Output_section::add_relaxed_input_section): Add new
3242         arguments LAYOUT and NAME.  Set section order index.
3243         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3244         Copy section order index.
3245         * output.h (Output_section::add_relaxed_input_section): Add new
3246         arguments LAYOUT and NAME.
3247
3248 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3249
3250         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3251         NATIVE_OR_CROSS_LINKER.
3252         * testsuite/Makefile.in: Regenerate.
3253
3254 2010-10-20  Doug Kwan  <dougkwan@google.com>
3255
3256         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3257         without SHF_LINK_ORDER flags.
3258         * layout.cc (Layout::choose_output_section): Do not filter
3259         SHF_LINK_ORDER flag in a relocatable link.
3260
3261 2010-10-17  Cary Coutant  <ccoutant@google.com>
3262
3263         * output.h (Output_segment::set_section_addresses): Change function
3264         signature.  Update all callers.
3265         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3266         sections.
3267         (Output_segment::set_section_addresses): Align after last TLS
3268         section.  Add padding before last relro section instead of after.
3269
3270 2010-10-17  Doug Kwan  <dougkwan@google.com>
3271
3272         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3273         GOT output section to be writable.
3274
3275 2010-10-14  Cary Coutant  <ccoutant@google.com>
3276
3277         * debug.h (DEBUG_INCREMENTAL): New flag.
3278         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3279         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3280         mode.
3281         * incremental.cc (report_command_line): Ignore all forms of
3282         --incremental.
3283         * layout.cc (Layout::Layout): Check parameters for incremental link
3284         mode.
3285         * options.cc (General_options::parse_incremental): New function.
3286         (General_options::parse_no_incremental): New function.
3287         (General_options::parse_incremental_full): New function.
3288         (General_options::parse_incremental_update): New function.
3289         (General_options::incremental_mode_): New data member.
3290         (General_options::finalize): Check incremental_mode_.
3291         * options.h (General_options): Update help text for --incremental.
3292         Add --no-incremental, --incremental-full, --incremental-update.
3293         (General_options::Incremental_mode): New enum type.
3294         (General_options::incremental_mode): New function.
3295         (General_options::incremental_mode_): New data member.
3296         * parameters.cc (Parameters::incremental_mode_): New data member.
3297         (Parameters::set_options): Set incremental_mode_.
3298         (Parameters::set_incremental_full): New function.
3299         (Parameters::incremental): New function.
3300         (Parameters::incremental_update): New function.
3301         (set_parameters_incremental_full): New function.
3302         * parameters.h (Parameters::set_incremental_full): New function.
3303         (Parameters::incremental): New function.
3304         (Parameters::incremental_update): New function.
3305         (Parameters::incremental_mode_): New data member.
3306         (set_parameters_incremental_full): New function.
3307         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3308         incremental link mode.
3309         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3310         (Sized_relobj::do_relocate_sections): Likewise.
3311         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3312         option.
3313         * testsuite/Makefile.in: Regenerate.
3314         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3315
3316 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3317
3318         * script-sections.h (class Script_sections): Make
3319         Sections_elements typedef public.
3320         * script-sections.cc (class Sort_output_sections): Add elements_
3321         field.  Add constructor which sets it; change all callers.
3322         (Sort_output_sections::is_before): New function.
3323         (Sort_output_sections::operator()): Call is_before.
3324         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3325         conditional.
3326         * testsuite/script_test_10.sh: New test. Test script section
3327         order.
3328         * testsuite/script_test_10.t: Likewise.
3329         * testsuite/script_test_10.s: Likewise.
3330         * testsuite/Makefile.am: Wrap the cross linker tests and the
3331         common tests into NATIVE_OR_CROSS_LINKER.
3332         (check_SCRIPTS): Add script_test_10.sh.
3333         (check_DATA): Add script_test_10.stdout.
3334         (script_test_10.o, script_test_10): New targets.
3335         (script_test_10.stdout): New target.
3336         * configure, testsuite/Makefile.in: Regenerate.
3337
3338 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3339
3340         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3341         error for the deprecated relocations.
3342         (Target_arm::Scan::global): Likewise.
3343         (Target_arm::Relocate::relocate): Likewise.
3344
3345 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3346
3347         * fileread.cc (Input_file::find_file): Initialize *found_name
3348         and *namep when using the fallback search for case 4.
3349
3350 2010-10-11  Cary Coutant  <ccoutant@google.com>
3351
3352         * options.h (class General_options): Redefine -z lazy as an alias for
3353         the negation of -z now.
3354
3355 2010-10-11  Ian Lance Taylor  <iant@google.com>
3356
3357         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3358         binding.
3359
3360 2010-10-06  Nick Clifton  <nickc@redhat.com>
3361
3362         * script-sections.cc(class Memory_region): Remove
3363         current_lma_offset_ field.  Rename current_vma_offset_ to
3364         current_offset_.  Add last_section_ field.
3365         (Memory_region::get_current_vma_address): Rename to
3366         get_current_address.
3367         (Memory_region::get_current_lma_address): Delete.
3368         (Memory_region::increment_vma_offset): Rename to
3369         increment_offset.
3370         (Memory_region::increment_lma_offset): Delete.
3371         (Memory_region::attributes_compatible): New method.  Returns
3372         true if the provided section is compatible with the region.
3373         (Memory_region::get_last_section): New method.  Returns the last
3374         section to use the region.
3375         (Memory_region::set_last_section): New method.  Stores the last
3376         section to use the region.
3377         (Script_sections::block_in_region): New method.  Returns true if
3378         a block of memory is contained within a region.
3379         (Script_sections::find_memory_region): New method.  Locates a
3380         memory region to be used to set a VMA or LMA address.
3381         (Output_section_definition::set_section_addresses): Add code to
3382         check for addresses set by memory regions.
3383         (Output_segment::set_section_addresses): Remove memory region
3384         walking code.
3385         (Script_sections::create_segment): Add a warning if a header
3386         segment is created outside of any region.
3387         * script-sections.h (class Script_sections): Add prototypes for
3388         find_memory_region and block_in_region methods.
3389         * testsuite/memory_test.s: Use .long instead of .word.
3390         * testsuite/memory_test.t: Add some more output sections.
3391         * testsuite/memory_test.sh: Update expected output.
3392
3393 2010-10-02  Doug Kwan  <dougkwan@google.com>
3394
3395         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3396         defintion to symtab.h
3397         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3398         declaration to defintion.
3399
3400 2010-10-01  Nick Clifton  <nickc@redhat.com>
3401
3402         * expression.cc (eval): Replace dummy argument with NULL.
3403         (eval_maybe_dot): Check for a NULL result section pointer.
3404         (Symbol_expression::value): Likewise.
3405         (Dot_expression::value): Likewise.
3406         (BINARY_EXPRESSION): Likewise.
3407         (Max_expression::value): Likewise.
3408         (Min_expression::value): Likewise.
3409         (Absolute_expression::value): Likewise.
3410         (Addr_expression::value_from_output_section): Likewise.
3411         (Loaddddr_expression::value_from_output_section): Likewise.
3412         (Segment_start_expression::value): Likewise.
3413         * script-sections.cc
3414         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3415         argument with NULL.
3416         (Sections_elememt_dot_assignment::set_section_addresses):
3417         Likewise.
3418         (Output_data_expression::do_write_to_buffer): Likewise.
3419         (Output_section_definition::finalize_symbols): Likewise.
3420         (Output_section_definition::set_section_addresses): Likewise.
3421
3422 2010-09-30  Doug Kwan  <dougkwan@google.com>
3423
3424         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3425
3426 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3427
3428         * target.h (Target::can_icf_inline_merge_sections): New virtual
3429         function.
3430         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3431         virtual function.
3432         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3433         virtual function.
3434         * icf.cc (get_section_contents): Inline merge sections only when
3435         target allows it.
3436
3437 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3438
3439         * configure: Regenerate.
3440
3441 2010-09-17  Ian Lance Taylor  <iant@google.com>
3442
3443         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3444         * testsuite/Makefile.am (memory_test.o): New target.
3445         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3446         memory_test.t.
3447         * testsuite/Makefile.in: Rebuild.
3448
3449 2010-09-17  Doug Kwan  <dougkwan@google.com>
3450
3451         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3452         defintion if relocation uses GOT entries of the symbol.
3453         * testsuite/icf_safe_test.sh: Fix test.
3454         * testsuite/icf_safe_so_test.sh: Fix test.
3455
3456 2010-09-16  Cary Coutant  <ccoutant@google.com>
3457
3458         * script_sections.cc (class Memory_region): Remove "NULL" from
3459         vector initializations.
3460
3461 2010-09-15  Cary Coutant  <ccoutant@google.com>
3462
3463         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3464         Resolve forwarding symbols.
3465
3466 2010-09-15  Doug Kwan  <dougkwan@google.com>
3467
3468         * gold/testsuite/script_test_3.t: Add ARM special sections.
3469         * gold/testsuite/script_test_4.t: Same.
3470         * gold/testsuite/script_test_5.t: Same.
3471         * gold/testsuite/script_test_6.t: Same.
3472         * gold/testsuite/script_test_7.t: Same.
3473         * gold/testsuite/script_test_7.t: Same.
3474         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3475
3476 2010-09-14  Cary Coutant  <ccoutant@google.com>
3477
3478         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3479         (Target_x86_64::Relocate::relocate_tls): Replace check for
3480         saw_tls_block_reloc_ with test for executable section.
3481
3482 2010-09-12  Cary Coutant  <ccoutant@google.com>
3483
3484         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3485         position-independent executables to shared libraries need dynamic
3486         relocations.
3487         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3488         position-independent executables.
3489         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3490         * testsuite/Makefile.in: Regenerate.
3491
3492 2010-09-10  Nick Clifton  <nickc@redhat.com>
3493
3494         PR gold/11997
3495         * testsuite/memory_test.t: Discard any sections that are not
3496         needed.
3497
3498 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3499
3500         PR gold/11996
3501         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3502         "This::" to work around a bug in gcc 4.2.
3503
3504         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3505
3506 2010-09-09  Rafael Espindola  <espindola@google.com>
3507
3508         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3509         sections with different PF_X flags in the same segment.
3510         (Layout::find_first_load_seg): Search all segments to find the first
3511         one.
3512         * options.h (rosegment): New.
3513
3514 2010-09-08  Rafael Espindola  <espindola@google.com>
3515
3516         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3517
3518 2010-09-08  Doug Kwan  <dougkwan@google.com>
3519
3520         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3521         (Arm_relobj::do_relocate_sections): Add new parameter for output
3522         file to match the parent.
3523         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3524         of local symbols instead of input values.  Update code to track
3525         changes in gold::relocate_section.
3526         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3527         (Sized_relobj::compute_final_local_value_internal): New methods.
3528         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3529         body into private version of Sized_relobj::compute_final_local_value.
3530         Call the inline method.
3531         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3532         merged symbol value if there is one.
3533         (Symbol_value::has_output_value): New method defintiion.
3534         (Sized_relobj::Compute_final_local_value_status): New enum type.
3535         (Sized_relobj::compute_final_local_value): New methods.
3536         (Sized_relobj::compute_final_local_value_internal): New methods.
3537         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3538         and arm_cortex_a8.sh.
3539         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3540         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3541         New tests.
3542         * Makefile.in: Regenerate.
3543         * testsuite/arm_bl_out_of_range.s: Update test.
3544         * testsuite/thumb_bl_out_of_range.s: Ditto.
3545         * testsuite/thumb_blx_out_of_range.s: Ditto.
3546         * testsuite/arm_branch_out_of_range.sh: New file.
3547         * testsuite/arm_cortex_a8.sh: Ditto.
3548         * testsuite/arm_cortex_a8_b.s: Ditto.
3549         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3550         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3551         * testsuite/arm_cortex_a8_bl.s: Ditto.
3552         * testsuite/arm_cortex_a8_blx.s: Ditto.
3553         * testsuite/arm_cortex_a8_local.s: Ditto.
3554         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3555         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3556
3557 2010-09-08  Rafael Espindola  <espindola@google.com>
3558
3559         * Makefile.am (memory_test.stdout): Run readelf with -W.
3560         * Makefile.in: Regenerate.
3561         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3562         64 bit output.
3563
3564 2010-09-08  Rafael Espindola  <espindola@google.com>
3565
3566         * script-sections.cc (Script_sections::add_memory_region): Convert
3567         field precision to int.
3568         * script.cc (script_set_section_region, script_set_section_region):
3569         Convert field precision to int.
3570
3571 2010-09-08  Rafael Espindola  <espindola@google.com>
3572
3573         * arm.cc (do_finalize_sections): Create the __exidx_start and
3574         __exdix_end symbols even when the section is missing.
3575
3576 2010-09-08  Nick Clifton  <nickc@redhat.com>
3577
3578         * README: Remove claim that MEMORY is not supported.
3579         * expression.cc (script_exp_function_origin)
3580         (script_exp_function_length): Move from here to ...
3581         * script.cc: ... here.
3582         (script_set_section_region, script_add_memory)
3583         (script_parse_memory_attr, script_include_directive): New
3584         functions.
3585         * script-sections.cc
3586         (class Memory_region): New class.
3587         (class Output_section_definition): Add set_memory_region,
3588         set_section_vma, set_section_lma and get_section_name methods.
3589         (class Script_Sections): Add add_memory_region,
3590         find_memory_region, find_memory_region_origin,
3591         find_memory_region_length and set_memory_region methods.
3592         Have set_section_addresses method walk the list of set memory
3593         regions.
3594         Extend the print methos to display memory regions.
3595         * script-sections.h: Add prototypes for new methods.
3596         Add enum for MEMORY region attributes.
3597         * yyscript.y: Add support for parsing MEMORY regions.
3598         * script-c.h: Add prototypes for new functions.
3599         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3600         * testsuite/Makefile.in: Regenerate.
3601         * testsuite/memory_test.sh: New script.
3602         * testsuite/memory_test.s: New assembler source file.
3603         * testsuite/memory_test.t: New linker script.
3604
3605 2010-08-27  Doug Kwan  <dougkwan@google.com>
3606
3607         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3608         reference override an existing dynamic weak reference.
3609         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3610         * testsuite/Makefile.in: Regenerate.
3611         * testsuite/dyn_weak_ref.sh: New file.
3612         * testsuite/dyn_weak_ref_1.c: Ditto.
3613         * testsuite/dyn_weak_ref_2.c: Ditto.
3614
3615 2010-08-27  Ian Lance Taylor  <iant@google.com>
3616
3617         * incremental.h (class Incremental_input_entry): Add virtual
3618         destructor.
3619
3620 2010-08-27  Ian Lance Taylor  <iant@google.com>
3621
3622         * testsuite/start_lib_test_3.c: Mark t3 as used.
3623
3624 2010-08-27  Nick Clifton  <nickc@redhat.com>
3625
3626         * options.cc (version_script): Fix small typo in previous
3627         whitespace tidyup.
3628
3629 2010-08-25  Nick Clifton  <nickc@redhat.com>
3630
3631         * archive.cc: Formatting fixes: Remove whitespace between
3632         typename and following asterisk.  Remove whitespace between
3633         function name and opening parenthesis.
3634         * archive.h: Likewise.
3635         * arm.cc: Likewise.
3636         * attributes.cc: Likewise.
3637         * attributes.h: Likewise.
3638         * common.cc: Likewise.
3639         * copy-relocs.cc: Likewise.
3640         * dirsearch.h: Likewise.
3641         * dynobj.cc: Likewise.
3642         * ehframe.cc: Likewise.
3643         * ehframe.h: Likewise.
3644         * expression.cc: Likewise.
3645         * fileread.cc: Likewise.
3646         * fileread.h: Likewise.
3647         * gc.h: Likewise.
3648         * gold-threads.cc: Likewise.
3649         * gold.cc: Likewise.
3650         * i386.cc: Likewise.
3651         * icf.h: Likewise.
3652         * incremental-dump.cc: Likewise.
3653         * incremental.cc: Likewise.
3654         * layout.cc: Likewise.
3655         * layout.h: Likewise.
3656         * main.cc: Likewise.
3657         * merge.cc: Likewise.
3658         * merge.h: Likewise.
3659         * object.cc: Likewise.
3660         * object.h: Likewise.
3661         * options.cc: Likewise.
3662         * options.h: Likewise.
3663         * output.cc: Likewise.
3664         * output.h: Likewise.
3665         * plugin.cc: Likewise.
3666         * plugin.h: Likewise.
3667         * powerpc.cc: Likewise.
3668         * reloc.cc: Likewise.
3669         * script-c.h: Likewise.
3670         * script-sections.cc: Likewise.
3671         * script.cc: Likewise.
3672         * stringpool.cc: Likewise.
3673         * symtab.cc: Likewise.
3674         * symtab.h: Likewise.
3675         * target.cc: Likewise.
3676         * timer.cc: Likewise.
3677         * timer.h: Likewise.
3678         * version.cc: Likewise.
3679         * x86_64.cc: Likewise.
3680
3681 2010-08-24  Nick Clifton  <nickc@redhat.com>
3682
3683         PR 11899
3684         * layout.cc (segment_precedes): Sort segments by their physical
3685         addresses, if they have been set.
3686
3687 2010-08-23  Cary Coutant  <ccoutant@google.com>
3688
3689         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3690         symbols data.
3691         (Lib_group::include_member): Unlock object after deleting its
3692         symbols data.
3693         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3694         the bug fixed here.
3695
3696 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3697             Cary Coutant  <ccoutant@google.com>
3698
3699         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3700         constructor, and set_blocker.
3701         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3702         readsyms_blocker_.
3703         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3704         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3705         * testsuite/Makefile.am (start_lib_test): New test case.
3706         * testsuite/Makefile.in: Regenerate.
3707         * testsuite/start_lib_test_main.c: New file.
3708         * testsuite/start_lib_test_1.c: New file.
3709         * testsuite/start_lib_test_2.c: New file.
3710         * testsuite/start_lib_test_3.c: New file.
3711
3712 2010-08-19  Ian Lance Taylor  <iant@google.com>
3713
3714         * Makefile.in: Rebuild with automake 1.11.1.
3715         * aclocal.m4: Likewise.
3716         * testsuite/Makefile.in: Likewise.
3717
3718 2010-08-19  Ian Lance Taylor  <iant@google.com>
3719
3720         PR 10893
3721         * i386.cc (class Output_data_plt_i386): Update declarations.
3722         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3723         local_ifuncs_ fields.
3724         (Target_i386::do_plt_section_for_global): New function.
3725         (Target_i386::do_plt_section_for_local): New function.
3726         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3727         parameter; change all callers.  Initialize global_ifuncs_ and
3728         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3729         __rel_iplt_end.
3730         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3731         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3732         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3733         symbols.
3734         (Target_i386::make_plt_section): New function, broken out of
3735         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3736         (Target_i386::make_plt_entry): Call make_plt_section.
3737         (Target_i386::make_local_ifunc_plt_entry): New function.
3738         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3739         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3740         R_386_IRELATIVE to switch.
3741         (Target_i386::Scan::global): Likewise.
3742         (Target_i386::Relocate::relocate): Likewise.
3743         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3744         switch.
3745         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3746         (Target_x86_64::do_plt_section_for_global): New function.
3747         (Target_x86_64::do_plt_section_for_local): New function.
3748         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3749         parameter; change all callers.  If doing a static link define
3750         __rela_iplt_start and __rela_iplt_end.
3751         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3752         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3753         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3754         to point to .plt.
3755         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3756         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3757         switch.
3758         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3759         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3760         R_X86_64_IRELATIVE to switch.
3761         (Target_x86_64::Scan::global): Likewise.
3762         (Target_x86_64::Relocate::relocate): Likewise.
3763         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3764         switch.
3765         * target.h (class Target): Add plt_section_for_global and
3766         plt_section_for_local functions.  Add do_plt_section_for_global
3767         and do_plt_section_for_local virtual functions.
3768         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3769         clarifying comments.
3770         (Symbol::use_plt_offset): Handle IFUNC symbol.
3771         * object.cc (Sized_relobj::Sized_relobj): Initialize
3772         local_plt_offsets_.
3773         (Sized_relobj::local_has_plt_offset): New function.
3774         (Sized_relobj::local_plt_offset): New function.
3775         (Sized_relobj::set_local_plt_offset): New function.
3776         (Sized_relobj::do_count): Handle IFUNC symbol.
3777         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3778         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3779         is_ifunc_symbol functions.
3780         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3781         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3782         local_plt_offsets_ field.
3783         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3784         * output.h (class Output_section_data): Add non-const
3785         output_section function.
3786         (class Output_data_got): Update declarations.
3787         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3788         Add use_plt_offset parameter to global and local constructors.
3789         Change all callers.  Change local_sym_index_ field to 31 bits.
3790         Change GSYM_CODE and CONSTANT_CODE accordingly.
3791         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3792         doing a static link don't set sh_link field.
3793         (Output_data_got::Got_entry::write): Use PLT offset if
3794         appropriate.
3795         (Output_data_got::add_global_plt): New function.
3796         (Output_data_got::add_local_plt): New function.
3797         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3798         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3799         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3800         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3801         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3802         IFUNC conditional.
3803         * testsuite/ifunc-sel.h: New file.
3804         * testsuite/ifuncmain1.c: New file.
3805         * testsuite/ifuncmain1vis.c: New file.
3806         * testsuite/ifuncmod1.c: New file.
3807         * testsuite/ifuncdep2.c: New file.
3808         * testsuite/ifuncmain2.c: New file.
3809         * testsuite/ifuncmain3.c: New file.
3810         * testsuite/ifuncmod3.c: New file.
3811         * testsuite/ifuncmain4.c: New file.
3812         * testsuite/ifuncmain5.c: New file.
3813         * testsuite/ifuncmod5.c: New file.
3814         * testsuite/ifuncmain6pie.c: New file.
3815         * testsuite/ifuncmod6.c: New file.
3816         * testsuite/ifuncmain7.c: New file.
3817         * configure, testsuite/Makefile.in: Rebuild.
3818
3819 2010-08-18  Ian Lance Taylor  <iant@google.com>
3820
3821         * incremental.cc
3822         (Output_section_incremental_inputs::write_input_files): Add cast
3823         to avoid signed/unsigned comparison warning.
3824         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3825
3826 2010-08-12  Cary Coutant  <ccoutant@google.com>
3827
3828         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3829
3830 2010-08-13  Ian Lance Taylor  <iant@google.com>
3831
3832         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3833
3834 2010-08-12  Cary Coutant  <ccoutant@google.com>
3835             Doug Kwan  <dougkwan@google.com>
3836
3837         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3838         defintion overrides non-weak undef, remember that the original undef
3839         is not weak.
3840         * symtab.cc (Symbol_table::sized_write_global): For undef without
3841         an original weak binding, set binding to global in output.
3842         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3843         * testsuite/Makefile.in: Regenerate.
3844         * testsuite/strong_ref_weak_def.sh: New file.
3845         * testsuite/strong_ref_weak_def_1.c: Ditto.
3846         * testsuite/strong_ref_weak_def_2.c: Ditto.
3847
3848 2010-08-12  Cary Coutant  <ccoutant@google.com>
3849
3850         * testsuite/incremental_test.sh: Rewrite.
3851         * testsuite/incremental_test_1.c: Rewrite.
3852         * testsuite/incremental_test_2.c: Rewrite.
3853
3854 2010-08-12  Cary Coutant  <ccoutant@google.com>
3855
3856         * arm.cc (Target_arm::got_size): Add const.
3857         (Target_arm::got_entry_count): New function.
3858         (Target_arm::plt_entry_count): New function.
3859         (Target_arm::first_plt_entry_offset): New function.
3860         (Target_arm::plt_entry_size): New function.
3861         (Output_data_plt_arm::entry_count): New function.
3862         (Output_data_plt_arm::first_plt_entry_offset): New function.
3863         (Output_data_plt_arm::get_plt_entry_size): New function.
3864         * i386.cc (Target_i386::got_size): Add const.
3865         (Target_i386::got_entry_count): New function.
3866         (Target_i386::plt_entry_count): New function.
3867         (Target_i386::first_plt_entry_offset): New function.
3868         (Target_i386::plt_entry_size): New function.
3869         (Output_data_plt_i386::entry_count): New function.
3870         (Output_data_plt_i386::first_plt_entry_offset): New function.
3871         (Output_data_plt_i386::get_plt_entry_size): New function.
3872         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3873         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3874         * incremental.cc: Include target.h.
3875         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3876         parameter.  Adjust all callers.  Find incremental_got_plt section.
3877         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3878         section.
3879         (Output_section_incremental_inputs::set_final_data_size): Calculate
3880         size of incremental_got_plt section.
3881         (Output_section_incremental_inputs::do_write): Write the
3882         incremental_got_plt section.
3883         (Got_plt_view_info): New struct.
3884         (Local_got_offset_visitor): New class.
3885         (Global_got_offset_visitor): New class.
3886         (Global_symbol_visitor_got_plt): New class.
3887         (Output_section_incremental_inputs::write_got_plt): New function.
3888         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3889         Add parameter.  Adjust all callers.
3890         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3891         (Incremental_inputs::got_plt_section): New function.
3892         (Incremental_inputs::got_plt_section_): New data member.
3893         (Incremental_got_plt_reader): New class.
3894         * layout.cc (Layout::create_incremental_info_sections): Add the
3895         incremental_got_plt section.
3896         * object.h (Got_offset_list::get_list): New function.
3897         (Got offset_list::for_all_got_offsets): New function.
3898         (Sized_relobj::local_got_offset_list): New function.
3899         * powerpc.cc (Target_powerpc::got_size): Add const.
3900         (Target_powerpc::got_entry_count): New function.
3901         (Target_powerpc::plt_entry_count): New function.
3902         (Target_powerpc::first_plt_entry_offset): New function.
3903         (Target_powerpc::plt_entry_size): New function.
3904         (Output_data_plt_powerpc::entry_count): New function.
3905         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3906         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3907         * sparc.cc (Target_sparc::got_size): Add const.
3908         (Target_sparc::got_entry_count): New function.
3909         (Target_sparc::plt_entry_count): New function.
3910         (Target_sparc::first_plt_entry_offset): New function.
3911         (Target_sparc::plt_entry_size): New function.
3912         (Output_data_plt_sparc::entry_count): New function.
3913         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3914         (Output_data_plt_sparc::get_plt_entry_size): New function.
3915         * symtab.h (Symbol::got_offset_list): New function.
3916         (Symbol_table::for_all_symbols): New function.
3917         * target.h (Sized_target::got_entry_count): New function.
3918         (Sized_target::plt_entry_count): New function.
3919         (Sized_target::plt_entry_size): New function.
3920         * x86_64.cc (Target_x86_64::got_size): Add const.
3921         (Target_x86_64::got_entry_count): New function.
3922         (Target_x86_64::plt_entry_count): New function.
3923         (Target_x86_64::first_plt_entry_offset): New function.
3924         (Target_x86_64::plt_entry_size): New function.
3925         (Output_data_plt_x86_64::entry_count): New function.
3926         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3927         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3928
3929 2010-08-12  Cary Coutant  <ccoutant@google.com>
3930
3931         * archive.cc: Include incremental.h.
3932         (Archive::Archive): Initialize incremental_info_.
3933         (Archive::include_member): Record archive members in incremental info.
3934         (Add_archive_symbols::run): Record begin and end of an archive in
3935         incremental info.
3936         (Lib_group::include_member): Record objects in incremental info.
3937         * archive.h (Incremental_archive_entry): Forward declaration.
3938         (Archive::set_incremental_info): New member function.
3939         (Archive::incremental_info): New member function.
3940         (Archive::Unused_symbol_iterator): New class.
3941         (Archive::unused_symbols_begin): New member function.
3942         (Archive::unused_symbols_end): New member function.
3943         (Archive::incremental_info_): New data member.
3944         * incremental-dump.cc (find_input_containing_global): New function.
3945         (dump_incremental_inputs): Dump new incremental info sections.
3946         * incremental.cc: Include symtab.h.
3947         (Output_section_incremental_inputs): New class.
3948         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3949         new incremental info sections.
3950         (Sized_incremental_binary::do_check_inputs): Likewise.
3951         (Incremental_inputs::report_archive): Remove.
3952         (Incremental_inputs::report_archive_begin): New function.
3953         (Incremental_inputs::report_archive_end): New function.
3954         (Incremental_inputs::report_object): New function.
3955         (Incremental_inputs::finalize_inputs): Remove.
3956         (Incremental_inputs::report_input_section): New function.
3957         (Incremental_inputs::report_script): Rewrite.
3958         (Incremental_inputs::finalize): Do nothing but finalize string table.
3959         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3960         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3961         (Incremental_inputs::create_data_sections): New function.
3962         (Incremental_inputs::relocs_entsize): New function.
3963         (Output_section_incremental_inputs::set_final_data_size): New function.
3964         (Output_section_incremental_inputs::do_write): New function.
3965         (Output_section_incremental_inputs::write_header): New function.
3966         (Output_section_incremental_inputs::write_input_files): New function.
3967         (Output_section_incremental_inputs::write_info_blocks): New function.
3968         (Output_section_incremental_inputs::write_symtab): New function.
3969         * incremental.h (Incremental_script_entry): Forward declaration.
3970         (Incremental_object_entry): Forward declaration.
3971         (Incremental_archive_entry): Forward declaration.
3972         (Incremental_inputs): Forward declaration.
3973         (Incremental_inputs_header_data): Remove.
3974         (Incremental_inputs_header): Remove.
3975         (Incremental_inputs_header_write): Remove.
3976         (Incremental_inputs_entry_data): Remove.
3977         (Incremental_inputs_entry): Remove.
3978         (Incremental_inputs_entry_write): Remove.
3979         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3980         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3981         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3982         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3983         Likewise.
3984         (Incremental_input_entry): New class.
3985         (Incremental_script_entry): New class.
3986         (Incremental_object_entry): New class.
3987         (Incremental_archive_entry): New class.
3988         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3989         (Incremental_inputs::report_inputs): Remove.
3990         (Incremental_inputs::report_archive): Remove.
3991         (Incremental_inputs::report_archive_begin): New function.
3992         (Incremental_inputs::report_archive_end): New function.
3993         (Incremental_inputs::report_object): Change prototype.
3994         (Incremental_inputs::report_input_section): New function.
3995         (Incremental_inputs::report_script): Change prototype.
3996         (Incremental_inputs::get_reloc_count): New function.
3997         (Incremental_inputs::set_reloc_count): New function.
3998         (Incremental_inputs::create_data_sections): New function.
3999         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4000         (Incremental_inputs::inputs_section): New function.
4001         (Incremental_inputs::symtab_section): New function.
4002         (Incremental_inputs::relocs_section): New function.
4003         (Incremental_inputs::get_stringpool): Add const.
4004         (Incremental_inputs::command_line): Add const.
4005         (Incremental_inputs::inputs): Remove.
4006         (Incremental_inputs::command_line_key): New function.
4007         (Incremental_inputs::input_file_count): New function.
4008         (Incremental_inputs::input_files): New function.
4009         (Incremental_inputs::relocs_entsize): New function.
4010         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4011         (Incremental_inputs::finalize_inputs): Remove.
4012         (Incremental_inputs::Input_info): Remove.
4013         (Incremental_inputs::lock_): Remove.
4014         (Incremental_inputs::inputs_): Change type.
4015         (Incremental_inputs::inputs_map_): Remove.
4016         (Incremental_inputs::current_object_entry_): New data member.
4017         (Incremental_inputs::inputs_section_): New data member.
4018         (Incremental_inputs::symtab_section_): New data member.
4019         (Incremental_inputs::relocs_section_): New data member.
4020         (Incremental_inputs::reloc_count_): New data member.
4021         (Incremental_inputs_reader): New class.
4022         (Incremental_symtab_reader): New class.
4023         (Incremental_relocs_reader): New class.
4024         * layout.cc (Layout::finalize): Move finalization of incremental info
4025         and creation of incremental info sections to follow finalization of
4026         symbol table.  Set offsets for postprocessing sections.
4027         (Layout::create_incremental_info_sections): Call
4028         Incremental_inputs::create_data_sections.  Add incremental symtab
4029         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4030         sections to layout after input sections.
4031         * layout.h (struct Timespec): Forward declaration.
4032         (Layout::incremental_inputs): Add const.
4033         (Layout::create_incremental_info_sections): Add parameter.
4034         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4035         * object.cc: Include incremental.h.
4036         (Relobj::finalize_incremental_relocs): New function.
4037         (Sized_relobj::do_layout): Record input sections in incremental info.
4038         * object.h (Object::output_section): New function.
4039         (Object::output_section_offset): Moved from Relobj.
4040         (Object::get_incremental_reloc_base): New function.
4041         (Object::get_incremental_reloc_count): New function.
4042         (Object::do_output_section): New function.
4043         (Object::do_output_section_offset): Moved from Relobj.
4044         (Object::do_get_incremental_reloc_base): New function.
4045         (Object::do_get_incremental_reloc_count): New function.
4046         (Object::Object): Initialize new data members.
4047         (Relobj::output_section): Renamed do_output_section and moved to
4048         protected.
4049         (Relobj::output_section_offset): Moved to Object.
4050         (Relobj::do_get_incremental_reloc_base): New function.
4051         (Relobj::do_get_incremental_reloc_count): New function.
4052         (Relobj::allocate_incremental_reloc_counts): New function.
4053         (Relobj::count_incremental_reloc): New function.
4054         (Relobj::finalize_incremental_relocs): New function.
4055         (Relobj::next_incremental_reloc_index): New function.
4056         (Relobj::reloc_counts_): New data member.
4057         (Relobj::reloc_bases_): New data member.
4058         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4059         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4060         (Sized_relobj::incremental_relocs_scan): New function.
4061         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4062         (Sized_relobj::incremental_relocs_write): New function.
4063         (Sized_relobj::incremental_relocs_write_reltype): New function.
4064         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4065         incremental link.
4066         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4067         archives and object files elsewhere.
4068         (Add_symbols::run): Report object files here.
4069         (Finish_group::run): Report end of archive at end of group.
4070         * reloc.cc: Include layout.h, incremental.h.
4071         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4072         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4073         (Sized_relobj::incremental_relocs_scan): New function.
4074         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4075         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4076         (Sized_relobj::incremental_relocs_write): New function.
4077         (Sized_relobj::incremental_relocs_write_reltype): New function.
4078         * script.cc (read_input_script): Rewrite test for incremental link.
4079         Change call to Incremental_inputs::report_script.
4080         * symtab.h (Symbol_table::first_global_index): New function.
4081         (Symbol_table::output_count): New function.
4082
4083 2010-08-12  Doug Kwan  <dougkwan@google.com>
4084
4085         * arm.cc (Target_arm::merge_object_attributes): Check command line
4086         options --no-wchar-size-warning and --no-enum-size-warning.
4087         * options.h (General_options): Add ld-compatible options
4088         --no-enum-size-warning and --no-wchar-size-warning.
4089
4090 2010-08-04  Ian Lance Taylor  <iant@google.com>
4091
4092         * x86_64.cc (Target_x86_64::Scan::local): Use
4093         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4094         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4095         (Target_x86_64::Scan::global): Likewise.
4096         (Target_x86_64::Relocate::relocate): Likewise.
4097         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4098         Likewise.
4099
4100 2010-08-03  Cary Coutant  <ccoutant@google.com>
4101
4102         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4103         to reserve space in merged_strings vector. Keep total input size
4104         for stats.
4105         (Output_merge_string::do_print_merge_stats): Print total input size.
4106         * merge.h (Output_merge_string): Add input_size_ field.
4107         * stringpool.cc (Stringpool_template::string_length): Move
4108         implementations out of Stringpool_template class and place in
4109         stringpool.h.
4110         * stringpool.h (string_length): Move out of Stringpool_template.
4111
4112 2010-08-03  Ian Lance Taylor  <iant@google.com>
4113
4114         PR 11712
4115         * layout.cc (relaxation_loop_body): If address of load segment is
4116         set, adjust address to include headers if possible.
4117
4118 2010-08-03  Ian Lance Taylor  <iant@google.com>
4119
4120         * version.cc (version_string): Bump to 1.10.
4121
4122 2010-08-03  Ian Lance Taylor  <iant@google.com>
4123
4124         PR 11805
4125         * layout.h (enum Output_section_order): Define.
4126         (class Layout): Update declarations.
4127         * layout.cc (Layout::get_output_section): Add order parameter.
4128         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4129         is_first_non_relro parameters.  Change all callers.
4130         (Layout::choose_output_section): Likewise.
4131         (Layout::add_output_section_data): Likewise.
4132         (Layout::make_output_section): Likewise.  Set order.
4133         (Layout::default_section_order): New function.
4134         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4135         * output.cc (Output_section::Output_section): Initialize order_.
4136         Don't initialize deleted fields.
4137         (Output_segment::Output_segment): Don't initialize deleted
4138         fields.
4139         (Output_segment::add_output_section_to_load): New function
4140         replacing add_output_section.  Change all callers to call this or
4141         add_output_section_to_nonload.
4142         (Output_segment::add_output_section_to_nonload): New function.
4143         (Output_segment::remove_output_section): Rewrite.
4144         (Output_segment::add_initial_output_data): Likewise.
4145         (Output_segment::has_any_data_sections): Likewise.
4146         (Output_segment::is_first_section_relro): Likewise.
4147         (Output_segment::maximum_alignment): Likewise.
4148         (Output_segment::has_dynamic_reloc): New function replacing
4149         dynamic_reloc_count.  Change all callers.
4150         (Output_segment::has_dynamic_reloc_list): New function replacing
4151         dynamic_reloc_count_list.  Change all callers.
4152         (Output_segment::set_section_addresses): Rewrite.
4153         (Output_segment::set_offset): Rewrite.
4154         (Output_segment::find_first_and_last_list): Remove.
4155         (Output_segment::set_tls_offsets): Rewrite.
4156         (Output_segment::first_section_load_address): Likewise.
4157         (Output_segment::output_section_count): Likewise.
4158         (Output_segment::section_with_lowest_load_address): Likewise.
4159         (Output_segment::write_section_headers): Likewise.
4160         (Output_segment::print_sections_to_map): Likewise.
4161         * output.h (class Output_data): Remove dynamic_reloc_count_
4162         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4163         (Output_data::add_dynamic_reloc): Rewrite.
4164         (Output_data::has_dynamic_reloc): New function.
4165         (Output_data::dynamic_reloc_count): Remove.
4166         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4167         is_last_relro_, is_first_non_relro_, is_interp_,
4168         is_dynamic_linker_section_ fields.  Add order and set_order
4169         functions.  Remove is_relro_local, set_is_relro_local,
4170         is_last_relro, set_is_last_relro, is_first_non_relro,
4171         set_is_first_non_relro functions, is_interp, set_is_interp,
4172         is_dynamic_linker_section, and set_is_dynamic_linker_section
4173         functions.
4174         (class Output_segment): Change Output_data_list from std::list to
4175         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4176         output_bss_ fields.  Update declarations.
4177
4178 2010-08-02  Ian Lance Taylor  <iant@google.com>
4179
4180         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4181         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4182         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4183
4184 2010-08-02  Ian Lance Taylor  <iant@google.com>
4185
4186         PR 11855
4187         * script.cc (Script_options::Script_options): Initialize
4188         symbol_definitions_ and symbol_references_.
4189         (Script_options::add_symbol_assignment): Update
4190         symbol_definitions_ and symbol_references_.
4191         (Script_options::add_symbol_reference): New function.
4192         (script_symbol): New function.
4193         * script.h (class Script_options): Add symbol_definitions_ and
4194         symbol_references_ fields.
4195         (Script_options::referenced_const_iterator): New type.
4196         (Script_options::referenced_begin): New function.
4197         (Script_options::referenced_end): New function.
4198         (Script_options::is_referenced): New function.
4199         (Script_options::any_unreferenced): New function.
4200         * script-c.h (script_symbol): Declare.
4201         * yyscript.y (exp): Call script_symbol.
4202         * symtab.cc: Include "script.h".
4203         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4204         Change all callers.  Check symbols referenced by scripts.
4205         (Symbol_table::add_undefined_symbols_from_command_line): Add
4206         layout parameter.  Change all callers.
4207         (Symbol_table::do_add_undefined_symbols_from_command_line):
4208         Likewise.  Break out loop body.  Check symbols referenced by
4209         scripts.
4210         (Symbol_table::add_undefined_symbol_from_command_line): New
4211         function broken out of
4212         do_add_undefined_symbols_from_command_line.
4213         * symtab.h (class Symbol_table): Update declarations.
4214         * archive.cc: Include "layout.h".
4215         (Archive::should_include_member): Add layout parameter.  Change
4216         all callers.  Check for symbol mentioned in expression.
4217         * archive.h (class Archive): Update declaration.
4218         * object.cc (Sized_relobj::do_should_include_member): Add layout
4219         parameter.
4220         * object.h (Object::should_include_member): Add layout parameter.
4221         Change all callers.
4222         (Object::do_should_include_member): Add layout parameter.
4223         (class Sized_relobj): Update declaration.
4224         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4225         parameter.
4226         * dynobj.h (class Sized_dynobj): Update declaration.
4227         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4228         layout parameter.
4229         * plugin.h (class Sized_pluginobj): Update declaration.
4230
4231 2010-08-02  Ian Lance Taylor  <iant@google.com>
4232
4233         PR 11866
4234         * output.cc (Output_segment::set_offset): Search for the first and
4235         last sections rather than assuming that the list is in order.
4236         (Output_segment::find_first_and_last_list): New function.
4237         * output.h (class Output_segment): Update declarations.
4238         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4239         (relro_strip_test_SOURCES): New variable.
4240         (relro_strip_test_DEPENDENCIES): New variable.
4241         (relro_strip_test_LDFLAGS): New variable.
4242         (relro_strip_test_LDADD): New variable.
4243         (relro_strip_test.so): New target.
4244
4245 2010-08-02  Ian Lance Taylor  <iant@google.com>
4246
4247         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4248         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4249         (Target_i386::got_tlsdesc_section): New function.
4250         (Target_i386::got_section): Create space for GOT entries for
4251         TLSDESC relocations.
4252         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4253         R_386_TLS_GOTDESC.
4254         (Target_i386::Scan::global): Likewise.
4255         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4256         using TLSDESC GOT.
4257         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4258         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4259         (Target_x86_64::got_tlsdesc_section): New function.
4260         (Target_x86_64::got_section): Create space for GOT entries for
4261         TLSDESC relocations.
4262         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4263         R_386_TLS_GOTDESC.
4264         (Target_x86_64::Scan::global): Likewise.
4265         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4266         using TLSDESC GOT.
4267
4268 2010-08-02  Ian Lance Taylor  <iant@google.com>
4269
4270         * testsuite/final_layout.sh: Use dc to convert from hex to
4271         decimal.
4272
4273 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4274
4275         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4276         paramter to the call to gold::gc_process_relocs.
4277         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4278         paramter to the call to gold::gc_process_relocs.
4279         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4280         parameter to the call to gold::gc_process_relocs.
4281         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4282         template parameter to the call to gold::gc_process_relocs.
4283         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4284         paramter to the call to gold::gc_process_relocs.
4285         * gc.h (get_embedded_addend_size): New function.
4286         (gc_process_relocs): Save the size of the reloc for use by ICF.
4287         * icf.cc (get_section_contents): Get the addend from the text section
4288         for SHT_REL relocation sections.
4289         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4290         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4291         * int_encoding.h (read_from_pointer): New overloaded function.
4292         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4293         * testsuite/icf_sht_rel_addend_test.sh: New file.
4294         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4295         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4296
4297 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4298
4299         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4300         * Makefile.in: Regenerate.
4301         * testsuite/Makefile.in: Regenerate.
4302
4303 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4304
4305         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4306         * gold/testsuite/debug_msg.cc: Likewise.
4307         * gold/testsuite/odr_violation1.cc
4308         * gold/testsuite/odr_violation2.cc
4309
4310 2010-07-21  Cary Coutant  <ccoutant@google.com>
4311
4312         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4313         string, and length fields.
4314         (Output_merge_string::Merged_strings_list): New type.
4315         (Output_merge_string::Merged_strings_lists): New typedef.
4316         (Output_merge_string): Replace merged_strings_ with
4317         merged_strings_lists_.
4318         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4319         Merged_strings_list per input object and section.  Don't store pointer
4320         to the string.  Don't store length with each merged string entry.
4321         (Output_merge_string::finalize_merged_data): Loop over list of merged
4322         strings lists.  Recompute length of each merged string.
4323
4324 2010-07-15  Cary Coutant  <ccoutant@google.com>
4325
4326         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4327         here.
4328
4329 2010-07-14  Ian Lance Taylor  <iant@google.com>
4330
4331         * descriptors.cc (Descriptors::open): Report correct name in error
4332         message.
4333
4334 2010-07-13  Doug Kwan  <dougkwan@google.com>
4335
4336         * arm.cc (Arm_input_section::Arm_input_section): For a
4337         SHT_ARM_EXIDX section, always keeps the input sections.
4338         (Arm_input_section::set_exidx_section_link): New method.
4339         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4340         has_errors_ to false.
4341         (Arm_exidx_input_section::has_errors,
4342         Arm_exidx_input_section::set_has_errors): New methods.
4343         (Arm_exidx_input_section::has_errors_): New data member.
4344         (Arm_relobj::get_exidx_shndx_list): New method.
4345         (Arm_output_section::append_text_sections_to_list): Do not skip
4346         section without SHF_EXECINSTR.
4347         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4348         errors.
4349         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4350         section header.  Make error messages more verbose.  Check for
4351         a non-executable section linked to an EXIDX section.
4352         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4353         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4354         check that there is no deferred EXIDX section if we exit early.
4355         Instead of not making an EXIDX section in case of an error, make one
4356         and set the has_errors flag of it.
4357         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4358         in a relocatable link.
4359         (Target_arm::do_relax): Look for the EXIDX output section instead of
4360         assuming that it is called .ARM.exidx.
4361         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4362         section list.  Do not check for SHF_EXECINSTR section flags but
4363         skip any input section with errors.
4364         * output.cc (Output_section::Output_section): Initialize
4365         always_keeps_input_sections_ to false.
4366         (Output_section::add_input_section): Check for
4367         always_keeps_input_sections_.
4368         *  output.h (Output_section::always_keeps_input_sections,
4369         Output_section::set_always_keeps_input_sections): New methods.
4370         (Output_section::always_keeps_input_sections): New data member.
4371
4372 2010-07-13  Rafael Espindola  <espindola@google.com>
4373
4374         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4375         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4376
4377 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4378             Ian Lance Taylor  <iant@google.com>
4379
4380         * output.h (Output_section_lookup_maps::add_merge_section):
4381         Correct check of whether value was inserted.
4382         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4383         (Output_section_lookup_maps::add_relaxed_input_section):
4384         Likewise.
4385         * arm.cc (Target_arm::got_section): Remove used local os.
4386         * i386.cc (Target_i386::got_section): Likewise.
4387         * x86_64.cc (Target_x86_64::got_section): Likewise.
4388         * sparc.cc (Target_sparc::got_section): Likewise.
4389         (Target_sparc::relocate): Remove unused local have_got_offset.
4390         * powerpc.cc (Target_powerpc::relocate): Likewise.
4391
4392 2010-07-13  Ian Lance Taylor  <iant@google.com>
4393
4394         * compressed_output.cc (zlib_decompress): Fix signature in
4395         !HAVE_ZLIB_H case.
4396
4397         * archive.cc (Archive::include_member): Unlock an external member
4398         of a thin archive.  Don't bother to delete an object we know is
4399         NULL.
4400
4401 2010-07-12  Cary Coutant  <ccoutant@google.com>
4402
4403         * compressed_output.cc (zlib_decompress): New function.
4404         (get_uncompressed_size): New function.
4405         (decompress_input_section): New function.
4406         * compressed_output.h (get_uncompressed_size): New function.
4407         (decompress_input_section): New function.
4408         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4409         Handle compressed debug sections.
4410         * layout.cc (is_compressed_debug_section): New function.
4411         (Layout::output_section_name): Map compressed section names to
4412         canonical names.
4413         * layout.h (is_compressed_debug_section): New function.
4414         (is_debug_info_section): Recognize compressed debug sections.
4415         * merge.cc: Include compressed_output.h.
4416         (Output_merge_data::do_add_input_section): Handle compressed
4417         debug sections.
4418         (Output_merge_string::do_add_input_section): Handle compressed
4419         debug sections.
4420         * object.cc: Include compressed_output.h.
4421         (Sized_relobj::Sized_relobj): Initialize new data members.
4422         (build_compressed_section_map): New function.
4423         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4424         * object.h (Object::section_is_compressed): New method.
4425         (Object::do_section_is_compressed): New method.
4426         (Sized_relobj::Compressed_section_map): New type.
4427         (Sized_relobj::do_section_is_compressed): New method.
4428         (Sized_relobj::compressed_sections_): New data member.
4429         * output.cc (Output_section::add_input_section): Handle compressed
4430         debug sections.
4431         * reloc.cc: Include compressed_output.h.
4432         (Sized_relobj::write_sections): Handle compressed debug sections.
4433
4434 2010-07-08  Cary Coutant  <ccoutant@google.com>
4435
4436         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4437         weak when resolving to a dynamic def.
4438         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4439         for weak undef/dynamic def cases. Adjust callers.
4440         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4441         undef_binding_weak_.
4442         (Symbol_table::sized_write_globals): Adjust symbol binding.
4443         (Symbol_table::sized_write_symbol): Add binding parameter.
4444         * symtab.h (Symbol::set_undef_binding): New method.
4445         (Symbol::is_undef_binding_weak): New method.
4446         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4447         (Symbol_table::should_override): Add new parameter.
4448         (Symbol_table::sized_write_symbol): Add new parameter.
4449
4450         * testsuite/weak_undef_file1.cc: Add new test case.
4451         * testsuite/weak_undef_file2.cc: Fix header comment.
4452         * testsuite/weak_undef_test.cc: Add new test case.
4453
4454 2010-06-29  Doug Kwan  <dougkwan@google.com>
4455
4456         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4457         Initialize USE_SYMBOL_.
4458         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4459         definition.
4460         (Arm_reloc_property::uses_symbol_): New data member declaration.
4461         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4462         uses symbol value and symbol is undefined but not weakly undefined.
4463
4464 2010-06-28  Rafael Espindola  <espindola@google.com>
4465
4466         * plugin.cc (Plugin::load): Use dlerror.
4467
4468 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4469
4470         * symtab.cc (detect_odr_violations): When reporting an ODR
4471         violation, report an object where the symbol is defined.
4472
4473 2010-06-25  Doug Kwan  <dougkwan@google.com>
4474
4475         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4476         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4477         definition.
4478         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4479         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4480         target hook to detect function points.
4481         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4482         * icf.h (Icf::check_section_for_function_pointers): Change type of
4483         parameter SECTION_NAME to const reference to std::string.  Use
4484         target hook to determine if section may have unsafe pointers.
4485         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4486         method definition.
4487
4488 2010-06-21  Rafael Espindola  <espindola@google.com>
4489
4490         * fileread.cc (Input_file::find_fie): New
4491         (Input_file::open): Use Input_file::find_fie.
4492         * fileread.h (Input_file::find_fie): New
4493         * plugin.cc (set_extra_library_path): New.
4494         (Plugin::load): Add set_extra_library_path to the transfer vector.
4495         (Plugin_manager::set_extra_library_path): New.
4496         (Plugin_manager::add_input_file): Use the extra search path if set.
4497         (set_extra_library_path(): New.
4498         * plugin.h (Plugin_manager): Add set_extra_library_path and
4499         extra_search_path_.
4500
4501 2010-06-19  Cary Coutant  <ccoutant@google.com>
4502
4503         * layout.cc (gdb_sections): Add .debug_types.
4504         (lines_only_debug_sections): Likewise.
4505
4506 2010-06-18  Rafael Espindola  <espindola@google.com>
4507
4508         * plugin.cc (add_input_file,add_input_library)
4509         (Plugin_manager::add_input_file): Make filename arguments const.
4510         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4511         const.
4512
4513 2010-06-16  Doug Kwan  <dougkwan@google.com>
4514
4515         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4516         .ARM.attributes section if we have not merged any input
4517         attributes sections.
4518
4519 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4520
4521         * arm.cc: Allow combining objects with no EABI version
4522         information.
4523
4524 2010-06-15  Rafael Espindola  <espindola@google.com>
4525
4526         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4527
4528 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4529
4530         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4531         (struct iovec): Correct !HAVE_READV definition.
4532
4533 2010-06-10  Cary Coutant  <ccoutant@google.com>
4534
4535         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4536         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4537         reloc sections.
4538         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4539
4540         PR 11683
4541         * symtab.h (Symbol::is_placeholder): New member function.
4542         * target-reloc.h (relocate_section): Check for placeholder symbols.
4543
4544         * testsuite/Makefile.am (plugin_test_8): New test.
4545         (plugin_test_9): New test.
4546         * testsuite/Makefile.in: Regenerate.
4547
4548 2010-06-09  Nick Clifton  <nickc@redhat.com>
4549
4550         * yyscript.y (input_list_element): Allow strings prefixed with
4551         the '-' character.  Treat these as libraries.
4552         * script.cc (script_add_library): New function.  Adds a library
4553         specified by "-l<name>" found in an input script.
4554         * script-c.h: Add prototype for script_add_library.
4555
4556 2010-06-07  Doug Kwan  <dougkwan@google.com>
4557
4558         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4559         Restrict stub-group size to be within long conditional branch
4560         range when working around cortex-A8 erratum.
4561
4562 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4563
4564         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4565         #ifdef typo.
4566
4567 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4568
4569         PR gold/11658
4570         * output.cc
4571         (Output_section::Input_section_sort_entry::compare_section_ordering):
4572         Change to return non-zero correctly.
4573         (Output_section::Input_section_sort_section_order_index_compare
4574         ::operator()): Change to fix ambiguity in comparisons.
4575
4576 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4577
4578         * gold.h (is_wildcard_string): New function.
4579         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4580         (Layout::layout_eh_frame): Ditto.
4581         (Layout::find_section_order_index): New method.
4582         (Layout::read_layout_from_file): New method.
4583         * layout.h (Layout::find_section_order_index): New method.
4584         (Layout::read_layout_from_file): New method.
4585         (Layout::input_section_position_): New private member.
4586         (Layout::input_section_glob_): New private member.
4587         * main.cc (main): Call read_layout_from_file here.
4588         * options.h (--section-ordering-file): New option.
4589         * output.cc (Output_section::input_section_order_specified_): New
4590         member.
4591         (Output_section::Output_section): Initialize new member.
4592         (Output_section::add_input_section): Add new parameter.
4593         Keep input sections when --section-ordering-file is used.
4594         (Output_section::set_final_data_size): Sort input sections when
4595         section ordering file is specified.
4596         (Output_section::Input_section_sort_entry): Add new parameter.
4597         Check sorting type.
4598         (Output_section::Input_section_sort_entry::compare_section_ordering):
4599         New method.
4600         (Output_section::Input_section_sort_compare::operator()): Change to
4601         consider section_order_index.
4602         (Output_section::Input_section_sort_init_fini_compare::operator()):
4603         Change to consider section_order_index.
4604         (Output_section::Input_section_sort_section_order_index_compare
4605         ::operator()): New method.
4606         (Output_section::sort_attached_input_sections): Change to sort
4607         according to section order when specified.
4608         (Output_section::add_input_section<32, true>): Add new parameter.
4609         (Output_section::add_input_section<64, true>): Add new parameter.
4610         (Output_section::add_input_section<32, false>): Add new parameter.
4611         (Output_section::add_input_section<64, false>): Add new parameter.
4612         * output.h (Output_section::add_input_section): Add new parameter.
4613         (Output_section::input_section_order_specified): New
4614         method.
4615         (Output_section::set_input_section_order_specified): New method.
4616         (Input_section::Input_section): Initialize section_order_index_.
4617         (Input_section::section_order_index): New method.
4618         (Input_section::set_section_order_index): New method.
4619         (Input_section::section_order_index_): New member.
4620         (Input_section::Input_section_sort_section_order_index_compare): New
4621         struct.
4622         (Output_section::input_section_order_specified_): New member.
4623         * script-sections.cc (is_wildcard_string): Delete and move modified
4624         method to gold.h.
4625         (Output_section_element_input::Output_section_element_input): Modify
4626         call to is_wildcard_string.
4627         (Output_section_element_input::Input_section_pattern
4628         ::Input_section_pattern): Ditto.
4629         (Output_section_element_input::Output_section_element_input): Ditto.
4630         * testsuite/Makefile.am (final_layout): New test case.
4631         * testsuite/Makefile.in: Regenerate.
4632         * testsuite/final_layout.cc: New file.
4633         * testsuite/final_layout.sh: New file.
4634
4635 2010-06-01  Rafael Espindola  <espindola@google.com>
4636
4637         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4638
4639 2010-06-01  Rafael Espindola  <espindola@google.com>
4640
4641         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4642         visibility of symbols.
4643
4644 2010-05-27  Doug Kwan  <dougkwan@google.com>
4645
4646         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4647         from start of output section instead of address for a local symbol
4648         in a merged or relaxed section when doing a relocatable link.
4649
4650 2010-05-26  Rafael Espindola  <espindola@google.com>
4651
4652        PR 11604
4653         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4654         adding sections the garbage collector removed.
4655         * gold/testsuite/Makefile.am: Add test.
4656         * gold/testsuite/Makefile.in: Regenerate.
4657         * gold/testsuite/plugin_test_7.sh: New.
4658         * gold/testsuite/plugin_test_7_1.c: New.
4659         * gold/testsuite/plugin_test_7_2.c: New.
4660
4661 2010-05-26  Rafael Espindola  <espindola@google.com>
4662
4663         * script-sections.cc (Output_section_definition::set_section_addresses):
4664         Check for --section-start.
4665
4666 2010-05-26  Doug Kwan  <dougkwan@google.com>
4667
4668         * arm.cc (Arm_scan_relocatable_relocs): New class.
4669         (Target_arm::relocate_special_relocatable): New method.
4670         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4671         (Arm_relocate_functions::thumb_branch_common): Same.
4672         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4673         instead of Default_scan_relocatable_relocs.
4674         * target-reloc.h (relocate_for_relocatable): Let target handle
4675         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4676         * target.h (Sized_target::relocate_special_relocatable): New method.
4677
4678 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4679
4680         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4681
4682 2010-05-23  Doug Kwan  <dougkwan@google.com>
4683
4684         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4685         instead of a cast.
4686         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4687         with a direct branch, not a conditional branch, to a stub.
4688         * merge.cc (Output_merge_base::record_input_section): New method
4689         defintion.
4690         (Output_merge_data::do_add_input_section): Record input section if
4691         keeps-input-sections flag is set.
4692         (Output_merge_string::do_add_input_section): Ditto.
4693         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4694         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4695         INPUT_SECTIONS_.
4696         (Output_merge_base::keeps_input_sections,
4697         Output_merge_base::set_keeps_input_sections,
4698         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4699         method definitions.
4700         (Output_merge_base::Input_sections): New type declaration.
4701         (Output_merge_base::input_sections_begin,
4702         Output_merge_base::input_sections_end,
4703         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4704         (Output_merge_base::bool keeps_input_sections_,
4705         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4706         Output_merge_base::input_sections_): New data members.
4707         (Output_merge_data::do_set_keeps_input_sections): New method
4708         defintion.
4709         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4710         * output.cc (Output_section::Input_section::relobj): Move method
4711         defintion from class declaration to here and handle merge sections.
4712         (Output_section::Input_section::shndx): Ditto.
4713         (Output_section::Output_section): Remove initializations of removed
4714         data members and initialize new data member LOOKUP_MAPS_.
4715         (Output_section::add_input_section): Set keeps-input-sections flag
4716         for a newly created merge output section as appropriate.  Adjust code
4717         to use Output_section_lookup_maps class.
4718         (Output_section::add_relaxed_input_section): Adjst code for lookup
4719         maps code refactoring.
4720         (Output_section::add_merge_input_section): Add a new parameter
4721         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4722         class.  If adding input section to a newly created merge output
4723         section fails, remove the new merge section.
4724         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4725         Adjust code for use of the Output_section_lookup_maps class.
4726         (Output_section::find_merge_section): Ditto.
4727         (Output_section::build_lookup_maps): New method defintion.
4728         (Output_section::find_relaxed_input_section): Adjust code to use
4729         Output_section_lookup_maps class.
4730         (Output_section::get_input_sections): Export merge sections.  Adjust
4731         code to use Output_section_lookup_maps class.
4732         (Output_section:::add_script_input_section): Adjust code to use
4733         Output_section_lookup_maps class.  Update lookup maps for merge
4734         sections also.
4735         (Output_section::discard_states): Use Output_section_lookup_maps.
4736         (Output_section::restore_states): Same.
4737         * output.h (Merge_section_properties): Move class defintion out of
4738         Output_section.
4739         (Output_section_lookup_maps): New class.
4740         (Output_section::Input_section::is_merge_section): New method
4741         defintion.
4742         (Output_section::Input_section::relobj): Move defintion out of class
4743         defintion.  Declare method only.
4744         (Output_section::Input_section::shndx): Ditto.
4745         (Output_section::Input_section::output_merge_base): New method defintion.
4746         (Output_section::Input_section::u2_.pomb): New union field.
4747         (Output_section::Merge_section_by_properties_map,
4748         Output_section::Output_section_data_by_input_section_map,
4749         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4750         Remove types.
4751         (Output_section::add_merge_input_section): Add new parameter
4752         KEEPS_INPUT_SECTIONS.
4753         (Output_section::build_lookup_maps): New method declaration.
4754         (Output_section::merge_section_map_,
4755         Output_section::merge_section_by_properties_map_,
4756         Output_section::relaxed_input_section_map_,
4757         Output_section::is_relaxed_input_section_map_valid_): Remove data
4758         members.
4759         (Output_section::lookup_maps_): New data member.
4760
4761 2010-05-21  Doug Kwan  <dougkwan@google.com>
4762
4763         PR gold/11619
4764         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4765         avoid a compilation error.
4766
4767 2010-05-19  Rafael Espindola  <espindola@google.com>
4768
4769         * script-sections.cc (Output_section_definition::allocate_to_segment):
4770         Update the phdrs_list even when the output section is NULL.
4771         * testsuite/Makefile.am: Add test.
4772         * testsuite/Makefile.in: Regenerate.
4773         * testsuite/script_test_9.cc: New.
4774         * testsuite/script_test_9.sh: New.
4775         * testsuite/script_test_9.t: New.
4776
4777 2010-05-19  Doug Kwan  <dougkwan@google.com>
4778
4779         * arm.cc (Arm_input_section::original_size): New method.
4780         (Arm_input_section::do_addralign): Add a cast.
4781         (Arm_input_section::do_output_offset): Remove static cast.
4782         (Arm_input_section::original_addralign,
4783          Arm_input_section::original_size_): Change type to uint32_t.
4784         (Arm_input_section::init): Add safe casts for section alignment
4785         and size.
4786         (Arm_input_section::set_final_data_size): Do not set address and
4787         offset of stub table.
4788         (Arm_output_section::fix_exidx_coverage): Change use of of
4789         Output_section::Simple_input_section to that of
4790         Output_section::Input_section.
4791         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4792         except for the first pass.
4793         * output.cc (Output_section::get_input_sections): Change type of
4794         input_sections to std::list<Input_section>.
4795         (Output_section::add_script_input_section): Rename from
4796         Output_section::add_simple_input_section.  Change type of SIS
4797         parameter from Simple_input_section to Input_section.
4798         * output.h (Output_section::Simple_input_section): Remove class.
4799         (Output_section::Input_section): Change class visibility to public.
4800         (Output_section::Input_section::addralign): Use stored alignments
4801         for special input sections if set.
4802         (Output_section::Input_section::set_addralign): New method.
4803         (Output_section::get_input_sections): Change parameter type from
4804         list of Simple_input_section to list of Input_section.
4805         (Output_section::add_script_input_section): Rename from
4806         Output_section::add_simple_input_section. Change first parameter's
4807         type from Simple_input_section to Input_section and remove the
4808         second and third parameters.
4809         * script-sections.cc (Input_section::Input_section_list): Change
4810         type to list of Output_section::Input_section/
4811         (Input_section_info::Input_section_info): Change parameter type of
4812         INPUT_SECTION to Output_section::Input_section.
4813         (Input_section_info::input_section): Change return type.
4814         (Input_section_info::input_section_): Change type to
4815         Output_section::Input_section.
4816         (Output_section_element_input::set_section_addresses): Adjust code
4817         to use Output_section::Input_section instead of
4818         Output_section::Simple_input_section.  Adjust code for renaming
4819         of Output_section::add_simple_input_section.
4820         (Orphan_output_section::set_section_addresses): Ditto.
4821
4822 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4823
4824         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4825         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4826
4827 2010-05-18  Rafael Espindola  <espindola@google.com>
4828
4829         * options.cc (General_options::finalize): Handle -nostdlib.
4830         * options.h (nostdlib): New option.
4831         * script.cc (script_add_search_dir): Handle -nostdlib.
4832
4833 2010-05-12  Doug Kwan  <dougkwan@google.com>
4834
4835         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4836         attributes section only if there no attributes section after merging.
4837         (Target_arm::merge_object_attributes): Move value of
4838         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4839         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4840         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4841         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4842         and arm_attr_merge_7.stdout.
4843         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4844         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4845         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4846         arm_attr_merge_7b.o): New rules.
4847         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4848         arm_attr_merge_7
4849         * testsuite/Makefile.in: Regenerate.
4850         * testsuite/arm_attr_merge.sh: New file.
4851         * testsuite/arm_attr_merge_[67][ab].s: Same.
4852
4853 2010-05-05  Nick Clifton  <nickc@redhat.com>
4854
4855         * po/es.po: Updated Spanish translation.
4856
4857 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4858
4859         * Makefile.am (install-exec-local): Properly install gold as
4860         default cross linker.
4861         * Makefile.in: Regenerated.
4862
4863 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4864             Nick Clifton  <nickc@redhat.com>
4865
4866         * configure.ac (install_as_default): Define and set to false
4867         unless --enable-gold or --enable-gold=both/gold has been
4868         specified.
4869         * configure: Regenerate.
4870
4871         * Makefile.am (install-exec-local): Install the executable as
4872         'ld.gold'.  If install_as_default is true then also install it as
4873         'ld'.
4874         * Makefile.in: Regenerated.
4875
4876 2010-04-24  Ian Lance Taylor  <iant@google.com>
4877
4878         * layout.cc (Layout::layout_reloc): In relocatable link don't
4879         combine reloc sections for grouped sections.
4880
4881 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4882
4883         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4884         sections that are not ordinary to icf.
4885         * icf.cc (get_section_contents): Handle relocation pointing to section
4886         with no object or shndx information.
4887         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4888         * testsuite/Makefile.in: Regenerate.
4889         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4890         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4891
4892 2010-04-22  Ian Lance Taylor  <iant@google.com>
4893
4894         * expression.cc (Expression::Expression_eval_info): Add
4895         result_alignment_pointer field.
4896         (Expression::eval_with_dot): Add result_alignment_pointer
4897         parameter.  Change all callers.
4898         (Expression::eval_maybe_dot): Likewise.
4899         (class Binary_expression): Add alignment_pointer parameter to
4900         left_value and right_value.  Change all callers.
4901         (BINARY_EXPRESSION): Set result alignment.
4902         (class Trinary_expression): Add alignment_pointer parameter to
4903         arg2_value and arg3_value.  Change all callers.
4904         (Trinary_cond::value): Set result alignment.
4905         (Max_expression::value, Min_expression::value): Likewise.
4906         (Align_expression::value): Likewise.
4907         * script-sections.cc (class Sections_element): Add dot_alignment
4908         parameter to set_section_addresses virtual function.  Update
4909         instantiations.
4910         (class Output_section_element): Likewise.
4911         (Script_sections::create_segments): Add dot_alignment parameter.
4912         Change all callers.
4913         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4914         (Script_sections::set_phdrs_clause_addresses): Likewise.
4915         * script-sections.h: Update declarations.
4916         * script.h: Update declarations.
4917         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4918         min_p_align.
4919         * testsuite/script_test_3.t: Set large alignment.
4920         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4921         segment has expected alignment.
4922
4923 2010-04-22  Nick Clifton  <nickc@redhat.com>
4924
4925         * po/gold.pot: Updated by the Translation project.
4926         * po/vi.po: Updated Vietnamese translation.
4927
4928 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4929
4930         * testsuite/Makefile.am (check_PROGRAMS): Add
4931         icf_virtual_function_folding_test.
4932         * testsuite/Makefile.in: Regenerated.
4933
4934 2010-04-15  Andrew Haley  <aph@redhat.com>
4935
4936         * options.h (merge_exidx_entries): New option.
4937         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4938         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4939         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4940         (Target_arm::merge_exidx_entries): New function.
4941         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4942         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4943         to Arm_exidx_fixup constructor.
4944         Add new arg, merge_exidx_entries.
4945         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4946         Arm_output_section::fix_exidx_coverage.
4947
4948 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4949
4950         * icf.cc (get_section_contents): Check for preemptible functions.
4951         Ignore addend when appropriate.
4952         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4953         section folded.
4954         (add_from_relobj): Check for section folded.
4955         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4956         * symtab.h (should_add_dynsym_entry): Add new parameter.
4957         * target-reloc.h (scan_relocs): Check for section folded.
4958         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4959         Check reloc types for function pointers in shared objects.
4960         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4961         case.
4962         (icf_preemptible_functions_test): New test case.
4963         (icf_string_merge_test): New test case.
4964         * testsuite.Makefile.in: Regenerate.
4965         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4966         bar_glob.  Refactor code.
4967         * testsuite/icf_preemptible_functions_test.cc: New file.
4968         * testsuite/icf_preemptible_functions_test.sh: New file.
4969         * testsuite/icf_string_merge_test.cc: New file.
4970         * testsuite/icf_string_merge_test.sh: New file.
4971         * testsuite/icf_virtual_function_folding_test.cc: New file.
4972         * testsuite/icf_virtual_function_folding_test.sh: New file.
4973
4974 2010-04-14  Doug Kwan  <dougkwan@google.com>
4975
4976         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4977         for local symbol recounting if we remove a section due to ICF.
4978         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4979         there are no regular objects in input.
4980
4981 2010-04-13  Doug Kwan  <dougkwan@google.com>
4982
4983         * arm.cc (Arm_input_section::set_final_data_size): Compute
4984         accurate final data size instead of using current data size.
4985
4986 2010-04-09  Doug Kwan  <dougkwan@google.com>
4987
4988         * layout.cc (Layout::choose_output_section): Handle script section
4989         types.
4990         (Layout::make_output_section_for_script): Add section type parameter.
4991         Handle script section types.
4992         * layout.h (Layout::make_output_section_for_script): Add section
4993         type parameter.
4994         * output.cc (Output_section::Output_section): Initialize data member
4995         is_noload_.
4996         (Output_section::do_reset_address_and_file_offset): Do not set address
4997         to 0 if section is a NOLOAD section.
4998         * output.h (Output_section::is_noload): New method.
4999         (Output_section::set_is_noload): Ditto.
5000         (Output_section::is_noload_): New data member.
5001         * script-c.h (Script_section_type): New enum type.
5002         (struct Parser_output_section_header): Add new file section_type.
5003         * script-sections.cc (Sections_element::output_section_name): Add
5004         parameter for returning script section type.
5005         (Output_section_definition::output_section_name): Ditto.
5006         (Output_section_definition::section_type)P; New method.
5007         (Output_section_definiton::script_section_type_name): Ditto.
5008         (Output_section_definition::script_section_type_): New data member.
5009         (Output_section_definition::Output_section_definition): Initialize
5010         data member Output_section_definition::script_section_type_.
5011         (Output_section_definition::create_sections): Pass script section type
5012         to Layout::make_output_section_for_script.
5013         (Output_section_definition::output_section_name): Return script
5014         section type to caller.
5015         (Output_section_definition::set_section_address): Do not advance
5016         dot value and load address if section type is NOLOAD.  Set address
5017         of NOLOAD sections regardless of section flags.
5018         (Output_section_definition::print): Print section type if it is
5019         not SCRIPT_SECTION_TYPE_NONE.
5020         (Output_section_definition::section_type): New method.
5021         (Output_section_definition::script_section_type_name): Ditto.
5022         (Script_sections::output_section_name): Add new parameter
5023         PSECTION_TYPE for returning script section type.  Pass it to
5024         section elements.  Handle discard sections.
5025         (Sort_output_sections::operator()): Handle NOLOAD sections.
5026         * script-sections.h (Script_sections::Section_type): New enum type.
5027         (Script_sections::output_section_name): Add a new parameter for
5028         returning script section type.
5029         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5030         INFO and NOLOAD.
5031         * yyscript.y (union): Add new field SECTION_TYPE.
5032         (COPY, DSECT, INFO, NOLOAD): New tokens.
5033         (opt_address_and_section_type): Change type to output_section_header.
5034         (section_type): New non-terminal
5035         (section_header): Handle section type.
5036         (opt_address_and_section_type): Return section type value.
5037
5038 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5039
5040         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5041         * testsuite/plugin_common_test_2.c (foo): Likewise.
5042
5043 2010-04-08  Doug Kwan  <dougkwan@google.com>
5044
5045         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5046         Output_merge_data.
5047         * output.cc (Output_section::add_merge_input_section): Simplify
5048         code and return status of Output_merge_base::add_input_section.
5049         Update merge section map only if Output_merge_base::add_input_section
5050         returns true.
5051
5052 2010-04-07  Doug Kwan  <dougkwan@google.com>
5053
5054         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5055         if section is marked as containing instructions but has no mapping
5056         symbols.
5057         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5058         correct section index.
5059         (Arm_relobj::find_linked_text_section): Ditto.
5060
5061 2010-04-07  Cary Coutant  <ccoutant@google.com>
5062
5063         * archive.cc (include_member): Destroy Read_symbols_data object before
5064         releasing file.
5065         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5066         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5067         (Read_symbols_data::~Read_symbols_data) New destructor.
5068         (Section_relocs::Section_relocs) New constructor.
5069         (Section_relocs::~Section_relocs) New destructor.
5070         (Read_relocs_data::Read_relocs_data) New constructor.
5071         (Read_relocs_data::~Read_relocs_data) New destructor.
5072         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5073         pointers to NULL after deleting.
5074
5075 2010-04-07  Doug Kwan  <dougkwan@google.com>
5076
5077         * arm.cc: Replace "endianity" with "endianness" in comments.
5078         (Arm_exidx_cantunwind): Ditto.
5079         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5080         (Arm_relobj::merge_flags_and_attributes): New method.
5081         (Arm_relobj::merge_flags_and_attributes_): New data member.
5082         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5083         (Arm_relobj::scan_sections_for_stubs): Ditto.
5084         (Arm_relobj::do_read_symbols): Check to see if we really want to
5085         merge processor-specific flags and attributes.  Exit early if
5086         an object is empty except for section names and the undefined symbol.
5087         (Target_arm::do_finalize_sections): Move check for ELF format to
5088         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5089         attributes from a regular object only when we have determined that
5090         it is aapropriate.  Do not create an .ARM.attributes section in
5091         output if there is no regular input object.
5092         (Target_arm::merge_processor_specific_flags): Check
5093         --warn-mismatch before printing any error.
5094         (Target_arm::merge_object_attributes): Ditto.
5095         * gold.cc (queue_middle_tasks): Handle the case in which there is
5096         no regular object in input.
5097         * options.cc (General_options::parse_EB): New method.
5098         (General_options::parse_EL): Same.
5099         (General_options::General_options): Initialize endianness_.
5100         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5101         New options.
5102         (General_options::Endianness): New enum.
5103         (General_options::endianness): New method.
5104         (General_options::endianness_): New data member.
5105         * parameters.cc (Parameters::set_options): Check target endianness.
5106         (Parameters::set_target_once): Ditto.
5107         (Parameters::check_target_endianness): New method.
5108         (parameters_force_valid_target): If either -EL or -EB is specified,
5109         use it to define endianness of default target.
5110         * parameters.h (Parameters::check_target_endianness): New method
5111         declaration.
5112         * target.h (class Target): Change "endianity" to "endianness"
5113         in comments.
5114
5115 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5116
5117         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5118         * configure: Regenerate.
5119         * Makefile.in: Regenerate.
5120         * testsuite/Makefile.in: Regenerate.
5121
5122 2010-04-06  Cary Coutant  <ccoutant@google.com>
5123
5124         gcc PR lto/42757
5125         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5126         prevailing definitions of common symbols.
5127         * testsuite/plugin_test_6.sh: New test case.
5128         * testsuite/plugin_common_test_1.c: New test case.
5129         * testsuite/plugin_common_test_2.c: New test case.
5130         * testsuite/Makefile.am (plugin_test_6): New test case.
5131         * testsuite/Makefile.in: Regenerate.
5132
5133 2010-04-06  Nick Clifton  <nickc@redhat.com>
5134
5135         * po/vi.po: New Vietnamese translation.
5136
5137 2010-03-30  Doug Kwan  <dougkwan@google.com>
5138
5139         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5140
5141 2010-03-25  Doug Kwan  <dougkwan@google.com>
5142
5143         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5144         to avoid a conversion warning on a 32-bit host.
5145
5146 2010-03-24  Ian Lance Taylor  <iant@google.com>
5147
5148         * testsuite/script_test_3.t: Add a TLS segment.
5149         * testsuite/Makefile.am (check_PROGRAMS): Add
5150         tls_phdrs_script_test.
5151         (tls_phdrs_script_test_SOURCES): Define.
5152         (tls_phdrs_script_test_DEPENDENCIES): Define.
5153         (tls_phdrs_script_test_LDFLAGS): Define.
5154         (tls_phdrs_script_test_LDADD): Define.
5155         * testsuite/Makefile.in: Rebuild.
5156
5157 2010-03-23  Cary Coutant  <ccoutant@google.com>
5158
5159         * fileread.cc (find_or_make_view): Fix comment.
5160
5161 2010-03-23  Ian Lance Taylor  <iant@google.com>
5162
5163         * script-sections.cc (class Orphan_section_placement): Define
5164         PLACE_TLS and PLACE_TLS_BSS.
5165         (Orphan_section_placement::Orphan_section_placement): Initialize
5166         new places.
5167         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5168         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5169         (tls_script_test_SOURCES): Define.
5170         (tls_script_test_DEPENDENCIES): Define.
5171         (tls_script_test_LDFLAGS): Define.
5172         (tls_script_test_LDADD): Define.
5173         * testsuite/Makefile.in: Rebuild.
5174
5175 2010-03-22  Doug Kwan  <dougkwan@google.com>
5176
5177         * arm.cc (Arm_relocate_functions::abs8,
5178         Arm_relocate_functions::abs16): Use correct check for overflow
5179         specified in the ARM ELF specs.
5180         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5181         target of a BLX instruction specially.
5182         (Reloc_stub::stub_type_for_reloc): Ditto.
5183         (Relocate::relocate): Use symbolic names instead of numeric relocation
5184         codes to report error.
5185         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5186         workaround.
5187         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5188         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5189         thumb2_blx_out_of_range.stdout
5190         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5191         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5192         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5193         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5194         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5195         thumb2_blx_in_range, thumb2_blx_in_range.o,
5196         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5197         thumb2_blx_out_of_range.o): New rules.
5198         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5199         thumb2_blx_in_range and thumb2_blx_out_of_range.
5200         * testsuite/Makefile.in: Regenerate.
5201         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5202         * testsuite/thumb_blx_in_range.s: New file.
5203         * testsuite/thumb_blx_out_of_range.s: New file.
5204
5205 2010-03-22  Rafael Espindola  <espindola@google.com>
5206
5207         * archive.cc (Should_include): Move to archive.h.
5208         (should_include_member): Make it a member of Archive.
5209         (Lib_group): New.
5210         (Add_lib_group_symbols): New.
5211         * archive.h: Include options.h.
5212         (Archive_member): Moved from Archive.
5213         (Should_include): Moved from archive.cc.
5214         (Lib_group): New.
5215         (Add_lib_group_symbols): New.
5216         * dynobj.cc (do_should_include_member): New.
5217         * dynobj.h (do_should_include_member): New.
5218         * gold.cc (queue_initial_tasks): Update call to queue.
5219         * main.cc (main): Print lib group stats.
5220         * object.cc (do_should_include_member): New.
5221         * object.h: Include archive.h.
5222         (Object::should_include_member): New.
5223         (Object::do_should_include_member): New.
5224         (Sized_relobj::do_should_include_member): New.
5225         * options.cc (General_options::parse_start_lib): New.
5226         (General_options::parse_end_lib): New.
5227         (Input_arguments::add_file): Handle lib groups.
5228         (Input_arguments::start_group): Check we are not in a lib.
5229         (Input_arguments::start_lib): New.
5230         (Input_arguments::end_lib): New.
5231         * options.h (General_options): Add start_lib and end_lib.
5232         (Input_argument::lib_): New.
5233         (Input_argument::lib): New.
5234         (Input_argument::is_lib): New.
5235         (Input_file_lib): New.
5236         (Input_arguments::in_lib_): New.
5237         (Input_arguments::in_lib): New.
5238         (Input_arguments::start_lib): New.
5239         (Input_arguments::end_lib_): New.
5240         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5241         in unused members as preempted.
5242         (Sized_pluginobj::do_should_include_member): New.
5243         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5244         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5245         return the blocker.
5246         (Read_symbols::do_whole_lib_group): New.
5247         (Read_symbols::do_lib_group): New.
5248         (Read_symbols::do_read_symbols): Handle lib groups.
5249         (Read_symbols::get_name): Handle lib groups.
5250         * readsyms.h (Read_symbols): Add an archive member pointer.
5251         (Read_symbols::do_whole_lib_group): New.
5252         (Read_symbols::do_lib_group): New.
5253         (Read_symbols::member_): New.
5254         * script.cc (read_input_script): Update call to queue_soon.
5255
5256 2010-03-19  Doug Kwan  <dougkwan@google.com>
5257
5258         * arm.cc (Stub_table::Stub_table): Initialize new data members
5259         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5260         (Stub_table::add_reloc_stub): Assign stub offset and update
5261         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5262         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5263         New data members.
5264         (Stub_table::update_data_size_and_addralign): Use
5265         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5266         instead of going over all reloc stubs.
5267         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5268         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5269         Stringpool_template::offset_ to size of Stringpool_char.
5270         (Stringpool_template::new_key_offset): Remove code to initialize
5271         Stringpool_template::offset_.
5272         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5273         Stringpool_template::offset_ to zero.
5274
5275 2010-03-15  Doug Kwan  <dougkwan@google.com>
5276
5277         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5278         offset_.
5279         (Stringpool_template::new_key_offset): New method.
5280         (Stringpool_template::add_string): Assign offsets when adding new
5281         strings.
5282         (Stringpool_template::set_string_offsets): Do not set string offsets
5283         when not optimizing.
5284         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5285         member size_.
5286         (Chunked_vector::clear): Clear size_.
5287         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5288         (Chunked_vector::size): Return size_.
5289         (Chunked_vector::push_back): Use size_ to find insert position.
5290         (Chunked_vector::size_): New data member.
5291         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5292         (Stringpool_template::new_key_offset): New method declaration.
5293         (Stringpool_template::offset_): New data member.
5294
5295 2010-03-15   Rafael Espindola  <espindola@google.com>
5296
5297         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5298         Add_symbols' constructor.
5299         * readsyms.h (Add_symbols): Remove the input_group member.
5300
5301 2010-03-10  Ian Lance Taylor  <iant@google.com>
5302
5303         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5304         target to ask whether a reference to a symbol requires a stack
5305         split.
5306         * target.h (Target::is_call_to_non_split): New function.
5307         (Target::do_is_call_to_non_split): Declare virtual function.
5308         * target.cc: Include "symtab.h".
5309         (Target::do_is_call_to_non_split): New function.
5310         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5311
5312 2010-03-10  Cary Coutant  <ccoutant@google.com>
5313
5314         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5315         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5316         (File_read::open[2]): Add whole_file_view_ to list of views.
5317         (File_read::make_view): Remove test of whole_file_view_.
5318         (File_read::find_or_make_view): Create whole_file_view_ if
5319         necessary.
5320         (File_read::clear_views): Replace bool parameter with enum;
5321         adjust all callers.  Don't delete views with permanent data;
5322         do delete cached views and views from archives if
5323         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5324         if clearing the corresponding view.
5325         * fileread.h (File_read::Clear_views_mode): New enum.
5326         (File_read::View::is_permanent_view): New method.
5327         (File_read::clear_views): Replace bool parameter
5328         with enum; adjust all callers.
5329         * options.h (General_options): Change keep_files_mapped option;
5330         add map_whole_files.
5331         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5332         releasing the file.
5333         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5334         the file.
5335
5336 2010-03-10  David S. Miller  <davem@davemloft.net>
5337
5338         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5339
5340 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5341
5342         * icf.cc (get_section_contents): Add '@' marker after processing the
5343         merge reloc.
5344
5345 2010-03-08  Doug Kwan  <dougkwan@google.com>
5346
5347         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5348         due to a conversion warning.
5349         (Arm_relobj::update_output_local_symbol_count): Check for local
5350         symbol with unset output index.
5351
5352 2010-03-05  Ian Lance Taylor  <iant@google.com>
5353
5354         * options.h (class General_options): Add --spare-dynamic-tags.
5355         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5356         --spare-dynamic-tags.
5357
5358 2010-03-05  Ian Lance Taylor  <iant@google.com>
5359
5360         * incremental.cc: Include "libiberty.h".
5361
5362 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5363
5364         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5365         function, is_info_ member.
5366         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5367         (Versions::Versions): Update caller.
5368         (Versions::define_base_version): Likewise.
5369         (Versions::add_def): Likewise.
5370
5371 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5372
5373         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5374         (Scan::possible_function_pointer_reloc): New function.
5375         (Scan::local_reloc_may_be_function_pointer): Change to call
5376         possible_function_pointer_reloc.
5377         (Scan::global_reloc_may_be_function_pointer): Ditto.
5378         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5379         relocations in ".data.rel.ro._ZTV" section.
5380         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5381         * testsuite/icf_safe_so_test.cc: Ditto.
5382         * testsuite/icf_safe_test.cc: Ditto.
5383         * testsuite/icf_safe_test.sh: Ditto.
5384
5385 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5386             Ian Lance Taylor  <iant@google.com>
5387
5388         * target-reloc.h (relocate_section): Check the symbol table index
5389         for -1U before setting the local symbol index.
5390         (scan_relocatable_relocs): If copying the relocation, record that
5391         the local symbol is required.
5392         * object.h (Symbol_value::is_output_symtab_index_set): New
5393         function.
5394         (Symbol_value::may_be_discarded_from_output_symtab): New
5395         function.
5396         (Symbol_value::has_output_symtab_entry): New function.
5397         (Symbol_value::needs_output_symtab_entry): Remove.
5398         (Symbol_value::output_symtab_index): Make sure the symbol index is
5399         set.
5400         (Symbol_value::set_output_symtab_index): Make sure the symbol
5401         index is not set.  Make sure the new index is valid.
5402         (Symbol_value::set_must_have_output_symtab_entry): New function.
5403         (Symbol_value::has_output_dynsym_entry): New function.
5404         (Symbol_value::set_output_dynsym_index): Make sure the new index
5405         is valid.
5406         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5407         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5408         local symbol if permitted.
5409         (Sized_relobj::do_finalize_local_symbols): Call
5410         is_output_symtab_index_set rather than needs_output_symtab_entry.
5411         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5412         rather than needs_output_symtab_entry.  Call
5413         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5414         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5415         is_output_symtab_index_set rather than needs_output_symtab_entry.
5416         * testsuite/discard_locals_relocatable_test.c: New file.
5417         * testsuite/discard_locals_test.sh: Test -r.
5418         * testsuite/Makefile.am (check_DATA): Add
5419         discard_locals_relocatable_test1.syms,
5420         discard_local_relocatable_test2.syms.
5421         (MOSTLYCLEANFILES): Likewise.  Also add
5422         discard_locals_relocatable_test1.lout and
5423         discard_locals_relocatable_test2.out.
5424         (discard_locals_relocatable_test1.syms): New target.
5425         (discard_locals_relocatable_test.o): New target.
5426         (discard_locals_relocatable_test1.out): New target.
5427         (discard_locals_relocatable_test2.syms): New target.
5428         (discard_locals_relocatable_test2.out): New target.
5429         (various): Add missing ../ld-new dependencies.
5430         * testsuite/Makefile.in: Rebuild.
5431
5432 2010-03-03  Nick Clifton  <nickc@redhat.com>
5433
5434         * po/fi.po: New Finnish translation.
5435
5436 2010-03-01  Doug Kwan  <dougkwan@google.com>
5437
5438         * layout.cc (Layout::Layout): Force section types of .init_array*,
5439         .preinit_array* and .fini_array* sections.
5440         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5441         Fix check of return value of std::string::find.().
5442         (Output_section::Input_section_sort_compare::operator()): Remove
5443         comment about .init_array.
5444         (Output_section::Input_section_sort_init_fini_compare::operator()):
5445         New method.
5446         (Output_section::sort_attached_input_sections): Handle .init_array
5447         and .fini_array specially.
5448         * output.h (Output_section::Inut_section_sort_compare): Update
5449         comment.
5450         (Output_section::Input_section_sort_init_fini_compare): New struct.
5451
5452 2010-02-26  Doug Kwan  <dougkwan@google.com>
5453
5454         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5455         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5456         * testsuite/debug_msg.sh: Avoid matching source line number for
5457         use of global variable undef_int.
5458
5459 2010-02-26  Doug Kwan  <dougkwan@google.com>
5460
5461         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5462         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5463         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5464         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5465         * options.cc (General_options::General_options): Initialize member
5466         fix_v4bx_.
5467         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5468         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5469         and rm_no_fix_v4bx.stdout
5470         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5471         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5472         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5473         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5474         and arm_no_fix_v4bx.
5475         * Makefile.in: Regenerate.
5476         * testsuite/arm_fix_v4bx.s: New file.
5477         * testsuite/arm_fix_v4bx.sh: Ditto.
5478
5479 2010-02-24  Doug Kwan  <dougkwan@google.com>
5480
5481         * arm.cc (Target_arm::got_section): Make the .got section the first
5482         non RELRO section in the data segment.
5483         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5484         suffixes of section names.
5485
5486 2010-02-24  Doug Kwan  <dougkwan@google.com>
5487
5488         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5489         flags and attributes merging if an input file is a binary file.
5490         * fileread.cc (Input_file::open): Record format of original file.
5491         * fileread.h (Input_file::Format): New enum type.
5492         (Input_file::Input_file): Initialize data member format_.
5493         (Input_file::format): New method definition.
5494         (Input_file::format_):: New data member.
5495
5496 2010-02-24  Doug Kwan  <dougkwan@google.com>
5497
5498         * arm.cc (Arm_output_data_got): New class.
5499         (ARM_TCB_SIZE): New constant
5500         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5501         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5502         If user uses a script with a SECTIONS clause, issue only a warning
5503         for a misplaced EXIDX input section.  Otherwise, issue an error.
5504         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5505         garbage collection.
5506         (Target_arm::got_mode_index_entry): Handle static linking.
5507         (Target_arm::Scan::local): Ditto.
5508         (Target_arm::Scan::global): Ditto.
5509         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5510         all incorrectly implemented relocations.
5511         (Target_arm::fix_exidx_coverage): Pass layout to
5512         Arm_output_section::fix_exidx_coverage.
5513         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5514         from ".ARM.exidx." and ".ARM.extab.".
5515
5516 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5517
5518         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5519         section if it does not already exist.
5520         * attributes.cc (Attributes_section_data::Attributes_section_data):
5521         Don't crash if size is zero.
5522
5523 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5524             Ian Lance Taylor  <iant@google.com>
5525
5526         * gold.cc (queue_middle_tasks): If no input files were opened,
5527         exit.
5528         * workqueue.h (Task_function::Task_function): Assert that there is
5529         a blocker.
5530
5531 2010-02-22  Doug Kwan  <dougkwan@google.com>
5532
5533         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5534         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5535         types to avoid warnings due to different uint64_t implementations
5536         on different hosts.
5537
5538 2010-02-21  Doug Kwan  <dougkwan@google.com>
5539
5540         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5541         handling of the maximum backward branch offset.
5542         (Arm_relocate_functions::thumb_branch_common): Ditto.
5543         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5544         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5545         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5546         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5547         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5548         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5549         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5550         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5551         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5552         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5553         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5554         thumb2_bl_out_of_range.o): New rules.
5555         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5556         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5557         thumb2_bl_out_of_range
5558         * testsuite/Makefile.in: Regenerate.
5559         * testsuite/arm_bl_in_range.s: New file.
5560         * testsuite/arm_bl_out_of_range.s: Ditto.
5561         * testsuite/arm_branch_in_range.sh: Ditto.
5562         * testsuite/arm_branch_range.t: Ditto.
5563         * testsuite/thumb2_branch_range.t: Ditto.
5564         * testsuite/thumb_bl_in_range.s: Ditto.
5565         * testsuite/thumb_bl_out_of_range.s: Ditto.
5566         * testsuite/thumb_branch_range.t: Ditto.
5567
5568 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5569
5570         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5571         Add reloc offset information.
5572         * icf.cc (get_section_contents): Change iterators to point to the new
5573         vectors. Add reloc offset information to the contents.
5574         * icf.h (Icf::Sections_reachable_info): New typedef.
5575         (Icf::Sections_reachable_list): New typedef.
5576         (Icf::Offset_info): New typedef.
5577         (Icf::Reloc_info): New struct typedef.
5578         (Icf::Reloc_info_list): New typedef.
5579         (Icf::symbol_reloc_list): Delete method.
5580         (Icf::addend_reloc_list): Delete method.
5581         (Icf::section_reloc_list): Delete method.
5582         (Icf::reloc_info_list): New method.
5583         (Icf::reloc_info_list_): New member.
5584
5585 2010-02-19  Doug Kwan  <dougkwan@google.com>
5586
5587         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5588         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5589         * arm.cc (Arm_relocation_functions): New forward declaration.
5590         (Target_arm::Target_arm): Initialize new data members
5591         got_mod_index_offset_ and tls_base_symbol_defined_.
5592         (Target_arm::Relocate::relocate_tls): New method.
5593         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5594          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5595         New methods.
5596         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5597         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5598         (Target_arm::got_mod_index_offset_,
5599         Target_arm::tls_base_symbol_defined_): New data members.
5600         (Target_arm::Scan::local, Target::Scan::global,
5601         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5602         relocations.
5603
5604 2010-02-18  Doug Kwan  <dougkwan@google.com>
5605
5606         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5607         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5608         text section as a parameter becuase some broken tools may not set
5609         the link in section header.
5610         (Target_arm::has_got_section): New method.
5611         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5612         without any mapping symbol as data only.  Remove warning.
5613         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5614         link in its section header, try to discover the link by inspecting the
5615         REL31 relocation at the beginning of the section.
5616         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5617         in error message.
5618         (Target_arm::Scan::global): Treat any reference to the symbol
5619         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5620
5621 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5622
5623         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5624         (Scan::global_reloc_may_be_function_pointer): New function.
5625         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5626         (Scan::global_reloc_may_be_function_pointer): New function.
5627         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5628         (Scan::global_reloc_may_be_function_pointer): New function.
5629         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5630         (Scan::global_reloc_may_be_function_pointer): New function.
5631         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5632         (Scan::global_reloc_may_be_function_pointer): New function.
5633         (Scan::possible_function_pointer_reloc): New function.
5634         (Target_x86_64::can_check_for_function_pointers): New function.
5635         * gc.h (gc_process_relocs): Scan relocation types to determine if
5636         function pointers were taken for targets that support it.
5637         * icf.cc (Icf::find_identical_sections): Include functions for
5638         folding in safe ICF whose pointer is not taken.
5639         * icf.h (Secn_fptr_taken_set): New typedef.
5640         (fptr_section_id_): New member.
5641         (section_has_function_pointers): New function.
5642         (set_section_has_function_pointers): New function.
5643         (check_section_for_function_pointers): New function.
5644         * options.h: Fix comment for safe ICF option.
5645         * target.h (can_check_for_function_pointers): New function.
5646         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5647         Modify icf_safe_test for X86-64.
5648         * testsuite/Makefile.in: Regenerate.
5649         * testsuite/icf_safe_so_test.cc: New file.
5650         * testsuite/icf_safe_so_test.sh: New file.
5651         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5652         (main): Change to take pointer to function kept_func_3.
5653         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5654         folding is done correctly for X86-64.
5655
5656 2010-02-12  David S. Miller  <davem@davemloft.net>
5657
5658         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5659         is_symbolless parameter.
5660         (Output_reloc<SHT_REL>::is_symbolless): New.
5661         (Output_reloc<SHT_REL>::is_symbolless_): New.
5662         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5663         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5664         (Output_reloc<SHT_RELA>::is_symbolless): New.
5665         (Output_data_reloc::add_global): Handle is_symbolless.
5666         (Output_data_reloc::add_global_relative): Likewise.
5667         (Output_data_reloc::add_local): Likewise.
5668         (Output_data_reloc::add_local_relative): Likewise.
5669         (Output_data_reloc::add_symbolless_global_addend): New.
5670         (Output_data_reloc::add_symbolless_local_addend): New.
5671         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5672         is_symbolless.
5673         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5674         instead of ->is_relative_
5675         (Output_reloc::write): Likewise.
5676         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5677         (Output_reloc::write_rel): Simplify.
5678
5679         * sparc.cc (Target_sparc::Scan::local): Use
5680         ->add_symbolless_local_addend as needed.
5681         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5682         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5683         based upon relocation offset.
5684
5685 2010-02-11  Doug Kwan  <dougkwan@google.com>
5686
5687         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5688         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5689         beginning of function.
5690         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5691         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5692         parameter is_32bit in calls to should_apply_static_reloc.
5693         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5694         (check_DATA): Add arm_abs_global.stdout.
5695         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5696         arm_abs_global.stdout): New rules.
5697         (MOSTLLYCLEANFILES): Add arm_abs_global
5698         * Makefile.in: Regenerate.
5699         * testsuite/arm_abs_global.s: New file.
5700         * testsuite/arm_abs_global.sh: Ditto.
5701         * testsuite/arm_abs_lib.s: Ditto.
5702
5703 2010-02-11  Ian Lance Taylor  <iant@google.com>
5704
5705         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5706         Read_relocs task.
5707         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5708         Allocate_commons_task first.
5709         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5710         task, rather than symtab_lock_.
5711         (Gc_process_relocs::~Gc_process_relocs): New function.
5712         (Gc_process_relocs::is_runnable): Check this_blocker_.
5713         (Gc_process_relocs::locks): Use next_blocker_ rather than
5714         blocker_.
5715         (Scan_relocs::~Scan_relocs): New function.
5716         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5717         symtab_lock_.
5718         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5719         next_blocker_.
5720         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5721         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5722         constructor accordingly.
5723         (class Gc_process_relocs): Likewise.
5724         (class Scan_relocs): Likewise.
5725         * common.h (class Allocate_commons_task): Remove symtab_lock_
5726         field, and corresponding constructor parameter.
5727         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5728         symtab_lock_.
5729         (Allocate_commons_task::locks): Likewise.
5730
5731 2010-02-11  Ian Lance Taylor  <iant@google.com>
5732
5733         * gold-threads.h (class Once): Define.
5734         (class Initialize_lock): Rewrite as child of Once.
5735         * gold-threads.cc (class Once_initialize): Define.
5736         (once_pointer_control): New static variable.
5737         (once_pointer, once_arg): New static variables.
5738         (c_run_once): New static function.
5739         (Once::Once, Once::run_once, Once::internal_run): New functions.
5740         (class Initialize_lock_once): Remove.
5741         (initialize_lock_control): Remove.
5742         (initialize_lock_pointer): Remove.
5743         (initialize_lock_once): Remove.
5744         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5745         (Initialize_lock::initialize): Rewrite.
5746         (Initialize_lock::do_run_once): New function.
5747         * archive.cc (Archive::interpret_header): Only clear name if it is
5748         not already empty.
5749         * fileread.cc: Include "gold-threads.h"
5750         (file_counts_lock): New static variable.
5751         (file_counts_initialize_lock): Likewise.
5752         (File_read::release): Only increment counts when using --stats.
5753         Use a lock around the increment.
5754         * parameters.cc (class Set_parameters_target_once): Define.
5755         (set_parameters_target_once): New static variable.
5756         (Parameters::Parameters): Move here from parameters.h.
5757         (Parameters::set_target): Rewrite.
5758         (Parameters::set_target_once): New function.
5759         (Parameters::clear_target): Move here and rewrite.
5760         * parameters.h (class Parameters): Update declarations.  Add
5761         set_parameters_target_once_ field.
5762         (Parameters::Parameters): Move to parameters.cc.
5763         (Parameters::clear_target): Likewise.
5764         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5765         task.
5766         (Start_group::~Start_group): New function.
5767         (Start_group::is_runnable): New function.
5768         (Start_group::locks, Start_group::run): New functions.
5769         (Finish_group::run): Change saw_undefined to size_t.
5770         * readsyms.h (class Start_group): Define.
5771         (class Finish_group): Change saw_undefined_ field to size_t.
5772         (Finish_group::Finish_group): Remove saw_undefined and
5773         this_blocker parameters.  Change all callers.
5774         (Finish_group::set_saw_undefined): New function.
5775         (Finish_group::set_blocker): New function.
5776         * symtab.h (class Symbol_table): Change saw_undefined to return
5777         size_t.  Change saw_undefined_ field to size_t.
5778         * target-select.cc (Set_target_once::do_run_once): New function.
5779         (Target_selector::Target_selector): Initialize set_target_once_
5780         field.  Don't initialize lock_ and initialize_lock_ fields.
5781         (Target_selector::instantiate_target): Rewrite.
5782         (Target_selector::set_target): New function.
5783         * target-select.h (class Set_target_once): Define.
5784         (class Target_selector): Update declarations.  Make
5785         Set_target_once a friend.  Remove lock_ and initialize_lock_
5786         fields.  Add set_target_once_ field.
5787
5788 2010-02-10  Ian Lance Taylor  <iant@google.com>
5789
5790         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5791         queueing any tasks.
5792         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5793         (queue_middle_tasks): Add all blockers before queueing any tasks.
5794         (queue_final_tasks): Likewise.
5795         * token.h (Task_token::add_blockers): New function.
5796         * object.h (Input_objects::number_of_relobjs): New function.
5797
5798 2010-02-10  Ian Lance Taylor  <iant@google.com>
5799
5800         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5801         shared, not if not position independent.
5802         * x86_64.cc (Relocate::relocate_tls): Likewise.
5803         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5804         (tls_pie_pic_test): New target.
5805         * testsuite/Makefile.in: Rebuild.
5806
5807         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5808         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5809         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5810         * testsuite/Makefile.in: Rebuild.
5811
5812 2010-02-09  David S. Miller  <davem@davemloft.net>
5813
5814         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5815         R_SPARC_RELATIVE using ->add_local_relative().
5816         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5817
5818         * output.h (Output_data_dynamic::add_section_size): New method
5819         that takes two Output_data objects.
5820         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5821         entry param.  Handle it in initializers.
5822         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5823         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5824         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5825         arg.
5826         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5827         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5828         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5829         for dynrel_includes_plt.
5830         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5831         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5832         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5833         before .rela.plt
5834         (Target_sparc::do_finalize_sections): Update to pass true for
5835         dynrel_includes_plt.
5836         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5837         output before .rela.plt
5838         (Target_powerpc::do_finalize_sections): Update to pass true for
5839         dynrel_includes_plt when 32-bit.
5840
5841 2010-02-08  Doug Kwan  <dougkwan@google.com>
5842
5843         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5844         method.
5845         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5846         Arm_relobj::scan_section_for_cortex_a8_stubs,
5847         Arm_relobj::do_relocation_section): Instead of calling
5848         Output_section::output_address, use faster
5849         Arm_relobj::simple_input_section_output_address.
5850
5851 2010-02-08  David S. Miller  <davem@davemloft.net>
5852
5853         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5854         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5855         relocation helper function.
5856
5857         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5858         just like R_SPARC_GOT{10,13,22}.
5859         (Target_sparc::Scan::local): Likewise.
5860         (Target_sparc::Relocate:relocate): Likewise.
5861
5862 2010-02-06  Ian Lance Taylor  <iant@google.com>
5863
5864         * configure.ac: Rewrite targetobjs duplicate removal code to use
5865         only shell constructs.
5866         * configure: Rebuild.
5867
5868 2010-02-05  Doug Kwan  <dougkwan@google.com>
5869
5870         PR 11247
5871         * arm.cc (Arm_relobj::section_is_scannable): New method.
5872         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5873         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5874
5875 2010-02-04  Doug Kwan  <dougkwan@google.com>
5876
5877         PR 11247
5878         * arm-reloc-property.cc (cstdio): Include.
5879         * configure.ac (targetobjs): Remove duplicates.
5880         * configure: Regenerate.
5881         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5882         big and little endian version for a given address size.
5883
5884 2010-02-03  Doug Kwan  <dougkwan@google.com>
5885
5886         * arm-reloc-property.cc
5887         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5888         definition.
5889         * arm-reloc-property.h
5890         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5891         New method definition.
5892         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5893         declaration.
5894         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5895         overflow to N.
5896         (GOT_PREL): Change implemented to Y.
5897         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5898         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5899         (Arm_relocate_functions::movw_abs_nc): Remove method.
5900         (Arm_relocate_functions::movt_abs): Ditto.
5901         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5902         (Arm_relocate_functions::thm_movt_abs): Ditto.
5903         (Arm_relocate_functions::movw_rel_nc): Ditto.
5904         (Arm_relocate_functions::movw_rel): Ditto.
5905         (Arm_relocate_functions::movt_rel): Ditto.
5906         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5907         (Arm_relocate_functions:thm_movw_rel): Ditto.
5908         (Arm_relocate_functions:thm_movt_rel): Ditto.
5909         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5910         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5911         New method definitions.
5912         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5913         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5914         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5915         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5916         (Target_arm::Relocate::relocate): Check for non-static or
5917         unimplemented relocation code and exit early.  Change calls to
5918         Target_arm::reloc_uses_thumb_bit and
5919         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5920         instead.  Refactor code to handle similar relocations to increase
5921         code sharing.  Remove check for unsupported relocation code in switch
5922         statement.
5923         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5924         relocation property table to find out size.  Change error message to
5925         print out the name of a relocation code instead of the numeric value.
5926         (Target_arm::scan_reloc_for_stub): Use relocation property table
5927         instead of calling Target_arm::reloc_uses_thumb_bit().
5928
5929 2010-02-02  Doug Kwan  <dougkwan@google.com>
5930
5931         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5932         types of relaxed input section.
5933
5934 2010-02-02  Doug Kwan  <dougkwan@google.com>
5935
5936         * Makefile.am (HFILES): Add arm-reloc-property.h.
5937         (DEFFILES): New.
5938         (TARGETSOURCES): Add arm-reloc-property.cc
5939         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5940         (libgold_a_SOURCES): $(DEFFILES)
5941         * Makefile.in: Regenerate.
5942         * arm-reloc-property.cc: New file.
5943         * arm-reloc-property.h: New file.
5944         * arm-reloc.def: New file.
5945         * arm.cc: Update comments.
5946         (arm-reloc-property.h): New included header.
5947         (arm_reloc_property_table): New global variable.
5948         (Target_arm::do_select_as_default_target): New method definition.
5949         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5950         arm-reloc-property to targ_extra_obj.
5951         * parameters.cc (set_parameters_target): Call
5952         Target::select_as_default_target().
5953         * target.h (Target::select_as_default_target): New method definition.
5954         (Target::do_select_as_default_target): Same.
5955
5956 2010-02-01  Doug Kwan  <dougkwan@google.com>
5957
5958         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5959         first_output_text_section_.
5960         (Arm_exidx_fixup::first_output_text_section): New method definition.
5961         (Arm_exidx_fixup::first_output_text_section_): New data member.
5962         (Arm_exidx_fixup::process_exidx_section): Record the first text
5963         output section seen.
5964         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5965         and entsize in output section header.
5966
5967 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5968
5969         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5970         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5971         (Arm_relocate_functions::thm_alu11): New Method.
5972         (Arm_relocate_functions::thm_pc8): New Method.
5973         (Arm_relocate_functions::thm_pc12): New Method.
5974         (Target_arm::Scan::local): Handle the relocations.
5975         (Target_arm::Scan::global): Likewise.
5976         (Target_arm::Relocate::relocate): Likewise.
5977         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5978
5979 2010-01-29  Doug Kwan  <dougkwan@google.com>
5980
5981         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5982         of relocation types as ld.
5983
5984 2010-01-29  Doug Kwan  <dougkwan@google.com>
5985
5986         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5987         to public.
5988         (Arm_relocate_functions::thumb_branch_common): Ditto.
5989         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5990         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5991         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5992         Arm_relocate_functions::jump24): Remove.
5993         (Target_arm::Relocate::relocate): Adjust code to call
5994         Arm_relocation_functions::arm_branch_common and
5995         Arm_relocation_functions::thumb_branch_common instead of their removed
5996         wrappers.  Merge switch-cases together to reduce source code size.
5997
5998 2010-01-29  Doug Kwan  <dougkwan@google.com>
5999
6000         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6001         output_local_symbol_count_needs_update_.
6002         (Arm_relobj::output_local_symbol_count_needs_update,
6003          Arm_relobj::set_output_local_symbol_count_needs_update,
6004          Arm_relobj::update_output_local_symbol_count): New methods.
6005         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6006         member.
6007         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6008         of pointed function as in a R_ARM_PREL31 relocation.
6009         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6010         for output local symbol count updating.
6011         (Target_arm::do_relax): Update output local symbol counts in objects
6012         if necessary.
6013         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6014
6015 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6016
6017         * arm.cc: Added support for the ARM relocations:
6018         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6019         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6020         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6021         movw_prel_nc).
6022         (Arm_relocate_functions::movw_rel): New method.
6023         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6024         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6025         thm_movw_prel_nc).
6026         (Arm_relocate_functions::thm_movw_rel): New method.
6027         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6028         thm_movt_prel).
6029         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6030         relocations.
6031         (Target_arm::Scan::global): Likewise.
6032         (Target_arm::Relocate::relocate): Likewise.
6033         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6034         Likewise.
6035
6036 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6037
6038         * arm.cc: Added support for ARM group relocations.
6039         (Target_arm::reloc_needs_sym_origin): New method.
6040         (Arm_relocate_functions::calc_grp_kn): New method.
6041         (Arm_relocate_functions::calc_grp_residual): New method.
6042         (Arm_relocate_functions::calc_grp_gn): New method.
6043         (Arm_relocate_functions::arm_grp_alu): New Method.
6044         (Arm_relocate_functions::arm_grp_ldr): New Method.
6045         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6046         (Arm_relocate_functions::arm_grp_ldc): New Method.
6047         (Target_arm::Scan::local): Handle the ARM group relocations.
6048         (Target_arm::Scan::global): Likewise.
6049         (Target_arm::Relocate::relocate): Likewise.
6050         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6051         Likewise.
6052
6053 2010-01-26  Doug Kwan  <dougkwan@google.com>
6054
6055         * arm.cc (set): Include.
6056         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6057         pointer type.
6058         (Arm_output_section::Text_section_list): New type.
6059         (Arm_output_section::append_text_sections_to_list): New method.
6060         (Arm_output_section::fix_exidx_coverage): Ditto.
6061         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6062         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6063         Relobj::set_section_offset() instead of
6064         Sized_relobj::invalidate_section_offset().
6065         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6066         parameter for section headers. Ignore relocation sections for
6067         unallocated sections and EXIDX sections.
6068         (Target_arm::fix_exidx_coverage): New method.
6069         (Target_arm::output_section_address_less_than): New type.
6070         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6071         linked text section instead of the EXIDX section.
6072         (Arm_output_section::create_stub_group): Add an assertion to check
6073         that this is not an EXIDX output section.
6074         (Arm_output_section::append_text_sections_to_list): New method.
6075         (Arm_output_section::fix_exidx_coverage): Ditto.
6076         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6077         Arm_relobj::section_needs_reloc_stub_scanning.
6078         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6079         first pass.
6080         (Target_arm::fix_exidx_coverage): New method.
6081         * object.h (Relobj::set_output_section): New method.
6082         (Sized_relobj::invalidate_section_offset): Remove method.
6083         (Sized_relobj::do_invalidate_section_offset): Remove method.
6084         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6085
6086 2010-01-25  Doug Kwan  <dougkwan@google.com>
6087
6088         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6089         Fix warning due to signed and unsigned comparison on a 32-bit host.
6090
6091 2010-01-22  Doug Kwan  <dougkwan@google.com>
6092
6093         * arm.cc (Target_arm::do_relax): Record an output section for section
6094         offset adjustment it contains any stub table that has changed.
6095         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6096         offsets in an output section if necessary.
6097         * output.cc (Output_section::Output_section): Initialize
6098         section_offsets_need_adjustments_.
6099         (Output_section::add_input_section_for_script): Renamed to
6100         Output_section::add_simple_input_section.
6101         (Output_section::save_states): Add a comment.
6102         (Output_section::discard_states): New method defintion.
6103         (Output_section::adjust_section_offsets): Same.
6104         * output.h (Output_section::add_input_section_for_script): Renamed to
6105         Output_section::add_simple_input_section.
6106         (Output_section::discard_states): New method declaration.
6107         (Output_section::adjust_section_offsets): Same.
6108         (Output_section::section_offsets_need_adjustment,
6109         Output_section::set_section_offsets_need_adjustment): New method
6110         definitions.
6111         (Output_section::section_offsets_need_adjustment_): New data member.
6112         * script-sections.cc
6113         (Output_section_element_input::set_section_address): Adjust code for
6114         renaming of Output_section::add_input_section_for_script.
6115         (Orphan_output_section::set_section_address): Same.
6116
6117 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6118
6119         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6120         Fix_v4bx enum values .
6121         * gold/options.h (General_options): New option definitions.
6122         (General_options::fix_v4bx): New method.
6123         (General_options::Fix_v4bx): New enum.
6124         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6125         (General_options::parse_fix_v4bx_interworking): New method.
6126
6127 2010-01-22  Doug Kwan  <dougkwan@google.com>
6128
6129         * arm.cc (Arm_exidx_fixup): New class.
6130
6131 2010-01-21  Doug Kwan  <dougkwan@google.com>
6132
6133         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6134         classes.
6135         (Arm_exidx_section_offset_map): New type.
6136
6137 2010-01-21  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Arm_exidx_input_section): New class.
6140         (Arm_relobj::exidx_input_section_by_link,
6141         Arm_relobj::exidx_input_section_by_shndx,
6142         Arm_relobj::make_exidx_input_section): New methods.
6143         (read_arm_attributes_section): Remove.
6144         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6145         information about them.
6146         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6147         to here.
6148
6149 2010-01-20  Doug Kwan  <dougkwan@google.com>
6150
6151         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6152         Input_section_specifier to Section_id.
6153         (Target_arm::new_arm_input_section: Adjust code for change of key
6154         type.
6155         (Target_arm::find_arm_input_section): Ditto.
6156         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6157         (Section_id): Remove.
6158         (Garbage_collection::Section_id_hash): Remove.
6159         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6160         (Section_id): Remove.
6161         (Icf::Section_id_hash): Remove.
6162         * object.h (Section_id, Const_section_id, Section_id_hash,
6163         Const_section_id_hash): New type definitions.
6164         * output.cc (Output_section::add_relaxed_input_section): Change to
6165         use Const_section_id instead of Input_section_specifier as key type.
6166         (Output_section::add_merge_input_section): Ditto.
6167         (Output_section::build_relaxation_map): Change to use Section_id
6168         instead of Input_section_specifier as key type.
6169         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6170         Ditto.
6171         (Output_section::convert_input_sections_to_relaxed_sections): Change
6172         to use Const_section_id instead of Input_section_specifier as key type.
6173         (Output_section::find_merge_section): Ditto.
6174         (Output_section::find_relaxed_input_section): Ditto.
6175         * output.h (Input_section_specifier): Remove class.
6176         (Output_section::Output_section_data_by_input_section_map): Change
6177         key type to Const_section_id.
6178         (Output_section::Output_relaxed_input_section_by_input_section_map):
6179         Ditto.
6180         (Output_section::Relaxation_map): Change key type to Section_id.
6181
6182 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6183
6184         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6185         (class Arm_v4bx_stub): New class.
6186         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6187         (Stub_factory::make_arm_v4bx_stub): New method.
6188         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6189         (Stub_table::empty): Handle v4bx stubs.
6190         (Stub_table::add_arm_v4bx_stub): New method.
6191         (Stub_table::find_arm_v4bx_stub): New method.
6192         (Arm_relocate_functions::v4bx): New method.
6193         (Target_arm::fix_v4bx): New method.
6194         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6195         (Stub_table::relocate_stubs): Likewise.
6196         (Stub_table::do_write): Likewise.
6197         (Stub_table::update_data_size_and_addralign): Likewise.
6198         (Stub_table::finalize_stubs):  Likewise.
6199         (Target_arm::Scan::local): Likewise.
6200         (Target_arm::Scan::global): Likewise.
6201         (Target_arm::do_finalize_sections): Likewise.
6202         (Target_arm::Relocate::relocate): Likewise.
6203         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6204         Likewise.
6205         (Target_arm::scan_reloc_for_stub): Likewise.
6206         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6207
6208 2010-01-19  Ian Lance Taylor  <iant@google.com>
6209
6210         * output.cc (Output_section_headers::do_sized_write): Write large
6211         segment count to sh_info field.
6212         (Output_file_header::do_sized_write): For large segment count,
6213         write PN_XNUM to e_phnum field.
6214
6215 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6216
6217         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6218         (Arm_relocate_functions::thm_jump8): New function.
6219         (Arm_relocate_functions::thm_jump11): New function.
6220         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6221         R_ARM_THM_JUMP11.
6222         (Target_arm::Scan::global): Likewise.
6223         (Target_arm::Relocate::relocate): Likewise.
6224         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6225         Likewise.
6226
6227 2010-01-14  Doug Kwan  <dougkwan@google.com>
6228
6229         * arm.cc (map, utility): Include headers.
6230         (Target_arm::apply_cortex_a8_workaround): New method.
6231         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6232         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6233         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6234         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6235         the --[no-]fix-cortex-a8 command line options.
6236         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6237         (Target_arm::relocate_stub): Use addend in instruction template.
6238         * options.h (DEFINE_bool): Set the user-set flag.
6239         (General_options): Add --[no-]-fix-cortex options.
6240         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6241         : Update fast look-up map after conversion.
6242
6243 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6244
6245         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6246         in the first pass of do_layout.
6247
6248 2010-01-13  Doug Kwan  <dougkwan@google.com>
6249
6250         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6251         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6252         apparent compiler problem of not folding static constant integral
6253         data members of elfcpp::Elf_sizes<32>.
6254
6255 2010-01-13  Doug Kwan  <dougkwan@google.com>
6256
6257         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6258         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6259         Arm_relobj::scan_section_for_cortex_a8_erratum,
6260         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6261         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6262         sections to scan for relocation stubs into a new method
6263         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6264         relocation and Cortex-A8 stub scanning.
6265         (Target_arm::do_relax): Force stubs to be after stubbed sections
6266         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6267         the beginning of a new relaxation pass.  Update a comment.
6268         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6269
6270 2010-01-12  Ian Lance Taylor  <iant@google.com>
6271
6272         * target-reloc.h (visibility_error): New inline function.
6273         (relocate_section): Call visibility_error.
6274         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6275         (MOSTLYCLEANFILES): Likewise.
6276         (protected_4_pic.o, protected_3.err): New targets.
6277         * testsuite/protected_4.cc: New file.
6278
6279 2010-01-12  Doug Kwan  <dougkwan@google.com>
6280
6281         * arm.cc (Cortex_a8_reloc): New class.
6282         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6283         and cortex_a8_relocs_info_.
6284         (Target_arm::fix_cortex_a8): New method definition.
6285         (Target_arm::Cortex_a8_relocs_info): New type.
6286         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6287         New data member declarations.
6288         (Target_arm::scan_reloc_for_stub): Record information about
6289         relocations for THUMB branches that might be exempted from the
6290         Cortex-A8 workaround.
6291         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6292         at the beginning of a relaxation pass.
6293
6294 2010-01-12  Doug Kwan  <dougkwan@google.com>
6295
6296         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6297         (Arm_relobj::Mapping_symbol_position,
6298          Arm_reloj::Mapping_symbol_position_less,
6299          Arm_relobj::Mapping_symbols_info): New types.
6300         (Target_arm::is_mapping_symbol_name): New method definition.
6301         (Arm_relobj::do_count_local_symbols): Save information about mapping
6302         symbols.
6303
6304 2010-01-11  Doug Kwan  <dougkwan@google.com>
6305
6306         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6307         Arm_relocate_functions::thumb32_branch_upper,
6308         Arm_relocate_functions::thumb32_branch_lower,
6309         Arm_relocate_functions::thumb32_cond_branch_offset,
6310         Arm_relocate_functions::thumb32_cond_branch_upper,
6311         Arm_relocate_functions::thumb32_cond_branch_lower,
6312         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6313         branch offset encoding.
6314         (Arm_relocate_functions::thumb_branch_common): Use new branch
6315         offset encoding methods to avoid code duplication.
6316         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6317         (Stub_addend_reader::operator()): Use new branch encoding method
6318         to avoid code duplication.
6319
6320 2010-01-11  Doug Kwan  <dougkwan@google.com>
6321
6322         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6323         (Target_arm::do_finalize_sections): Define special EXIDX section
6324         symbols only if referenced.
6325         * gc.h (Garbage_collection::add_reference): New method.
6326         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6327         code duplication.
6328
6329 2010-01-11  Ian Lance Taylor  <iant@google.com>
6330
6331         * script.cc (Version_script_info::build_expression_list_lookup):
6332         Change complaing about duplicate wildcard match from error to
6333         warning.
6334
6335         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6336         of 2009-12-30.
6337         (Version_script_info::Version_script_info): Initialize globs_,
6338         default_version_, default_is_global_, and exact_.  Don't
6339         initialize globals_ or locals_.
6340         (Version_script_info::build_lookup_tables): Build local symbols
6341         first.
6342         (Version_script_info::unquote): New function.
6343         (Version_script_info::add_exact_match): New function.
6344         (Version_script_info::build_expression_list_lookup): Remove lookup
6345         parameter.  Add is_global parameter.  Change all callers.  Handle
6346         wildcard pattern specially.  Unquote pattern.  Call
6347         add_exact_match.
6348         (Version_script_info::get_name_to_match): New function.
6349         (Version_script_info::get_symbol_version): New function.
6350         (Version_script_info::get_symbol_version_helper): Remove.
6351         (Version_script_info::check_unmatched_names): Call unquote.
6352         * script.h (class Version_script_info): Change get_symbol_version
6353         to be non-inline and add is_global parameter; change all callers.
6354         Rewrite symbol_is_local.  Update declarations.  Define struct
6355         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6356         Remove globals_ and locals_ members.  Add exact_, globs_,
6357         default_version_, is_global_.
6358         (Version_script_info::Glob): Remove pattern, add expression and
6359         is_global.  Update constructor.  Change all callers.
6360         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6361         default version.
6362         (Versions::symbol_section_contents): If a symbol is undefined, or
6363         defined in a dynamic object, set the version index to
6364         VER_NDX_LOCAL.
6365         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6366         symbol_is_local.
6367         (Symbol_table::add_from_pluginobj): Likewise.
6368         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6369
6370 2010-01-11  Doug Kwan  <dougkwan@google.com>
6371
6372         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6373         (incremental_dump_LDADD): Add linking option for libintl.
6374         * Makefile.in: Regenerate.
6375
6376 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6377
6378         PR gold/11144
6379         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6380         instead of -Ds.
6381         * testsuite/Makefile.in: Regenerated.
6382
6383 2010-01-10  Doug Kwan  <dougkwan@google.com>
6384
6385         * options.h (DEFINE_var): Use parentheses around argument varname__
6386         in macro body to avoid any unintended subsequent substitutions.
6387
6388 2010-01-10  Ian Lance Taylor  <iant@google.com>
6389
6390         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6391         candidates before doing symbol resolution.
6392
6393         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6394         ODR candidates if only one is weak.
6395
6396 2010-01-08  Ian Lance Taylor  <iant@google.com>
6397
6398         * script.cc (Version_script_info::build_expression_list_lookup):
6399         Don't warn about ambiguous version, just record the ambiguity.
6400         (Version_script_info::get_symbol_version_helper): Give error if
6401         version is ambiguous.
6402
6403 2010-01-08  Doug Kwan  <dougkwan@google.com>
6404
6405         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6406           prev_data_size_ and prev_addralign_.  Remove initializer for
6407           deleted data member has_been_changed_.
6408           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6409           to determine if the table is empty.
6410           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6411           Remove.
6412           (Stub_table::add_reloc_stub): Define method in class definition
6413           instead of just declaring it there.
6414           (Stub_table::add_cortex_a8_stub): New method definition.
6415           (Stub_table::update_data_size_and_addralign): Ditto.
6416           (Stub_table::finalize_stubs): Ditto.
6417           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6418           (Stub_table::do_addralign_): Return address alignment in the
6419           (Stub_table::do_reset_address_and_file_offset): Define method in
6420           class definition instead of declaring it there.  Set current data
6421           size to be the data size of the previous pass.
6422           (Stub_table::set_final_data_size): Use current data size as the
6423           final data size.
6424           (Stub_table::relocate_stub): Change parameter type of stub from
6425           Reloc_stub pointer to Stub pointer.
6426           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6427           (Stub_table::Cortex_a8_stub_list): New typedef.
6428           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6429            Stub_table::prev_addralign_): New data member.
6430           (Arm_relobj::Arm_relobj): Initialize data member
6431           section_has_cortex_a8_workaround_.
6432           (Arm_relobj::section_has_cortex_a8_workaround,
6433            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6434            definitions.
6435           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6436           declarations.
6437           (Target_arm::relocate_stub): Change parameter type of stub from
6438           Reloc_stub pointer to Stub pointer.
6439           (Insn_template::size, Insn_template::alignment): Handle
6440           THUMB16_SPECIAL_TYPE.
6441           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6442            Stub_table::update_data_size_and_addralign,
6443            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6444           definitions.
6445           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6446           (Stub_table::do_write): Ditto.
6447           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6448
6449 2010-01-08  Ian Lance Taylor  <iant@google.com>
6450
6451         PR 11108
6452         * symtab.h (class Symbol): Remove fields is_target_special_ and
6453         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6454         (Symbol::is_defined_in_discarded_section): New function.
6455         (Symbol::set_is_defined_in_discarded_section): New function.
6456         (Symbol::has_plt_offset): Rewrite.
6457         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6458         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6459         Don't initialize is_target_special_ or has_plt_offset_.
6460         Initialize is_defined_in_discarded_section_.
6461         (Symbol_table::add_from_relobj): If appropriate, set
6462         is_defined_in_discarded_section.
6463         * resolve.cc (Symbol::override_base_with_special): Don't test
6464         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6465         * target-reloc.h (relocate_section): Do special handling for
6466         symbols defined in discarded sections for global symbols as well
6467         as local symbols.
6468
6469 2010-01-08  Ian Lance Taylor  <iant@google.com>
6470
6471         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6472         the SHT_SYMTAB case.
6473
6474 2010-01-08  Ian Lance Taylor  <iant@google.com>
6475
6476         * object.cc (Sized_relobj::do_layout): Don't get confused if
6477         layout_eh_frame returns NULL.
6478
6479 2010-01-08  Ian Lance Taylor  <iant@google.com>
6480
6481         PR 11084
6482         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6483         dynamic symbol table, use the normal symbol table.
6484         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6485         symbol table.
6486
6487 2010-01-08  Ian Lance Taylor  <iant@google.com>
6488
6489         PR 11072
6490         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6491         sections.
6492
6493 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6494
6495         * version.cc (print_version): Change to "Copyright 2010".
6496
6497 2010-01-08  Ian Lance Taylor  <iant@google.com>
6498
6499         PR 10287
6500         PR 11063
6501         * i386.cc (class Target_i386): Change return type of plt_section
6502         to be non-const.
6503         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6504         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6505         tls_desc_rel_ field.
6506         (Output_data_plt_i386::rel_tls_desc): New function.
6507         (Target_i386::rel_tls_desc_section): New function.
6508         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6509         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6510         R_386_TLS_DESC reloc in rel_tls_desc_section.
6511         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6512         Define struct Tlsdesc_info.
6513         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6514         (Target_x86_64::do_reloc_symbol_index): New function.
6515         (Target_x86_64::add_tlsdesc_info): New function.
6516         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6517         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6518         tlsdesc_rel_ field.
6519         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6520         all callers.
6521         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6522         (Target_x86_64::rela_tlsdesc_section): New function.
6523         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6524         handling.
6525         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6526         (Target_x86_64::do_reloc_addend): New function.
6527         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6528         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6529         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6530         (Output_reloc::type): New function.
6531         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6532         (Output_reloc::is_target_specific): New function.
6533         (Output_reloc::target_arg): New function.
6534         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6535         absolute relocs and target specific relocs.
6536         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6537         add_target_specific.
6538         (class Output_data_reloc) [SHT_RELA]: Likewise.
6539         * output.cc (Output_reloc::Output_reloc): Add four new versions
6540         for absolute relocs and target specific relocs.
6541         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6542         (Output_reloc::get_symbol_index): Likewise.
6543         (Output_reloc::local_section_offset): Check that local_sym_index_
6544         is not TARGET_CODE or 0.
6545         (Output_reloc::symbol_value): Likewise.
6546         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6547         reloc.
6548         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6549         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6550         functions.
6551         * layout.cc (add_target_dynamic_tags): Use output section for
6552         DT_PLTRELSZ and DT_JMPREL.
6553
6554 2010-01-07  Ian Lance Taylor  <iant@google.com>
6555
6556         PR 11061
6557         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6558         function.
6559         (class Output_data_reloc_generic): Define.
6560         (class Output_data_reloc_base): Change base class to
6561         Output_data_reloc_generic.  Change add() method to call
6562         bump_relative_reloc_count for a relative reloc.  Remove
6563         sort_relocs_ field.
6564         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6565         to sort_relocs().
6566         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6567         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6568         appropriate.
6569         * layout.h (class Layout): Update declaration.
6570
6571 2010-01-07  Ian Lance Taylor  <iant@google.com>
6572
6573         * output.h (class Output_data): Add const version of
6574         output_section and do_output_section.
6575         (class Output_section_data): Add const version of
6576         do_output_section.
6577         (class Output_section): Likewise.
6578         * layout.cc (Layout::add_target_dynamic_tags): New function.
6579         * layout.h (class Layout): Update declarations.
6580         * arm.cc (Target_arm::do_finalize_sections): Use
6581         add_target_dynamic_tags.
6582         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6583         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6584         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6585         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6586
6587 2010-01-07  Ian Lance Taylor  <iant@google.com>
6588
6589         PR 11042
6590         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6591         object as needed.
6592
6593 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6594             Ian Lance Taylor  <iant@google.com>
6595
6596         PR 11019
6597         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6598         Xindex::read_symtab_xindex.
6599
6600 2010-01-07  Doug Kwan  <dougkwan@google.com>
6601
6602         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6603         (Insn_template::thumb16_bcond_insn): New method declaration.
6604         (Insn_template): Fix spelling.
6605         (Stub::thumb16_special): New method declaration.
6606         (Stub::do_write): Define virtual method which was previously pure
6607         virtual.
6608         (Stub::do_thumb16_special): New method declaration.
6609         (Stub::do_fixed_endian_write): New template member.
6610         (Reloc_stub::do_write): Remove.
6611         (Reloc_stub::do_fixed_endian_write): Remove.
6612         (Cortex_a8_stub): New class definition.
6613         (Stub_factory::make_cortex_a8_stub): New method definition.
6614         (Stub_factory::Stub_factory): Add missing static storage class
6615         qualifier for elf32_arm_stub_a8_veneer_blx.
6616
6617 2010-01-07  Ian Lance Taylor  <iant@google.com>
6618
6619         PR 10980
6620         * options.h (class General_options): Add --warn-unresolved-symbols
6621         and --error-unresolved-symbols.
6622         * errors.cc (Errors::undefined_symbol): Implement
6623         --warn-unresolved-symbols.
6624
6625         * options.h (class General_options): Add -z text and -z textoff.
6626         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6627
6628 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6629
6630         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6631         (Garbage_collection::cident_sections): New function.
6632         (Garbage_collection::add_cident_section): New function.
6633         (Garbage_collection::cident_sections_): New member.
6634         (gc_process_relocs): Add references to sections whose names are C
6635         identifiers.
6636         * gold.h (cident_section_start_prefix): New constant.
6637         (cident_section_stop_prefix): New constant.
6638         (is_cident): New function.
6639         * layout.cc (Layout::define_section_symbols): Replace string constants
6640         with the newly defined constants.
6641         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6642         C identifiers.
6643         * testsuite/Makefile.am: Add gc_orphan_section_test.
6644         * testsuite/Makefile.in: Regenerate.
6645         * testsuite/gc_orphan_section_test.cc: New file.
6646         * testsuite/gc_orphan_section_test.sh: New file.
6647
6648 2010-01-06  Ian Lance Taylor  <iant@google.com>
6649
6650         PR 10980
6651         * options.h (class General_options): Add --warn-shared-textrel.
6652         * layout.cc (Layout::finish_dynamic_section): Implement
6653         --warn-shared-textrel.
6654
6655         PR 10980
6656         * options.h (class General_options): Add --warn-multiple-gp.
6657
6658 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6659
6660         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6661         $(THREADSLIB) and $(LIBDL).
6662         * Makefile.in: Rebuild.
6663
6664 2010-01-06  Ian Lance Taylor  <iant@google.com>
6665
6666         PR 10980
6667         * options.cc (General_options::parse_section_start): New function.
6668         (General_options::section_start): New function.
6669         (General_options::General_options): Initialize all members.
6670         * options.h: Include <map>
6671         (class General_options): Add --section-start.  Add section_starts_
6672         member.
6673         * layout.cc (Layout::attach_allocated_section_to_segment): If
6674         --section-start was used, set the address of the segment.  Remove
6675         local sort_sections.
6676         (Layout::relaxation_loop_body): If the address of the load segment
6677         has been set by --section-start, don't use it.
6678         * output.h (Output_segment::update_flags_for_output_section): New
6679         function.
6680         * output.cc (Output_segment::add_output_section): Call
6681         update_flags_for_output_section.
6682
6683 2010-01-05  Ian Lance Taylor  <iant@google.com>
6684
6685         PR 10980
6686         * options.h (class General_options): Add --undefined-version.
6687         * script.cc (struct Version_expression): Add was_matched_by_symbol
6688         field.
6689         (Version_script_info::matched_symbol): New function.
6690         (Version_script_info::get_symbol_version_helper): Call
6691         matched_symbol.
6692         (Version_script_info::check_unmatched_names): New function.
6693         * script.h (class Version_script_info): Update declarations.
6694         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6695
6696         * options.h (class General_options): Use DEFINE_bool_alias for
6697         allow_multiple_definition.
6698         * resolve.cc (Symbol_table::should_override): Don't test
6699         allow_multiple_definition.
6700
6701         PR 10980
6702         * options.h (class General_options): Add --cref.
6703         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6704         until after printing cref table.
6705         * cref.cc: Include "symtab.h".
6706         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6707         (Cref_table_compare::operator()): New function.
6708         (Cref_inputs::gather_cref): New function.
6709         (filecol): New static const.
6710         (Cref_inputs::print_cref): New function.
6711         (Cref::print_cref): New function.
6712         * cref.h: Include <cstdio>.
6713         (class Cref): Update declarations.
6714         * mapfile.h (Mapfile::file): New function.
6715         * object.h (class Object): Define Symbols.  Declare virtual
6716         do_get_global_symbols.
6717         (Object::get_global_symbols): New function.
6718         * object.cc (Input_objects::add_object): Pass object to cref_ if
6719         --cref.
6720         (Input_objects::archive_start): Likewise.
6721         (Input_objects::archive_stop): Likewise.
6722         (Input_objects::print_cref): New function.
6723         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6724         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6725         --cref.
6726         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6727         function.
6728         * plugin.h (class Sized_pluginobj): Update declarations.
6729
6730 2010-01-05  Ian Lance Taylor  <iant@google.com>
6731
6732         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6733         to is_default_version.  Rename insdef to insdefault.
6734         (Symbol_table::add_from_relobj): Rename def to is_default_version
6735         and local to is_forced_local.
6736         (Symbol_table::add_from_pluginobj): Likewise.
6737         (Symbol_table::add_from_dynobj): Likewise.
6738         (Symbol_table::define_special_symbol): Rename insdef to
6739         insdefault.
6740
6741 2010-01-04  Ian Lance Taylor  <iant@google.com>
6742
6743         PR 10980
6744         * options.h (class General_options): Add
6745         --allow-multiple-definition and -z muldefs.
6746         * resolve.cc (Symbol_table::should_override): Don't warn about a
6747         multiple symbol definition if --allow-multiple-definition or -z
6748         muldefs.
6749
6750         PR 10980
6751         * options.h (class General_options): Add --add-needed and
6752         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6753         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6754         error if --copy-dt-needed-entries aka --add-needed is used and
6755         would cause a change in behaviour.
6756
6757         PR 10980
6758         * options.h (class General_options): Add -G as a short version of
6759         --shared.  Add no-op options -assert, -g, and -i.
6760
6761 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6762
6763         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6764         check for .text or .gnu.linkonce.t sections.
6765         * icf.cc (Icf::find_identical_sections): Ditto.
6766         Change the detection for mangled function name within the section
6767         name.
6768         * icf.h (is_section_foldable_candidate): New function.
6769
6770 2009-12-30  Ian Lance Taylor  <iant@google.com>
6771
6772         PR 10980
6773         * options.h (class General_options): Permit two dashes with
6774         --retain-symbols-file.
6775
6776 2009-12-30  Ian Lance Taylor  <iant@google.com>
6777
6778         PR 10979
6779         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6780         don't put the file header and segment headers in the text
6781         segment.
6782
6783         PR 10979
6784         * common.cc (Sort_commons::operator()): Stabilize sort when both
6785         entries are NULL.
6786         (Symbol_table::do_allocate_commons_list): When allocating common
6787         symbols, skip a symbol which is no longer common.
6788         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6789         an object before checking its type.
6790         * testsuite/common_test_2.c: New file.
6791         * testsuite/common_test_3.c: New file.
6792         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6793         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6794         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6795         (common_test_2_pic.o, common_test_2.so): New targets.
6796         (common_test_3_pic.o, common_test_3.so): New targets.
6797         * testsuite/Makefile.in: Rebuild.
6798
6799         PR 10979
6800         * script.cc (read_input_script): If we see a new SECTIONS clause,
6801         and we have added an input section, give an error.
6802         * layout.h (class Layout): Add have_added_input_section function.
6803         Add have_added_input_section_ field.
6804         * layout.cc (Layout::Layout): Initialize
6805         have_added_input_section_.
6806         (Layout::layout): Set have_added_input_section_.
6807         (Layout::layout_eh_frame): Likewise.
6808
6809 2009-12-30  Ian Lance Taylor  <iant@google.com>
6810
6811         PR 10931
6812         * options.h (class General_options): Add --sort-common option.
6813         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6814         * common.cc (Sort_common): Add sort_order parameter to
6815         constructor.  Add sort_order_ field.
6816         (Sort_commons::operator): Check sort_order_.
6817         (Symbol_table::allocate_commons): Determine the sort order.
6818         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6819         Change all callers.
6820         (Symbol_table::do_allocate_commons_list): Likewise.
6821
6822 2009-12-30  Ian Lance Taylor  <iant@google.com>
6823
6824         PR 10916
6825         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6826         symbols from this object, don't change the visibility of an
6827         undefined symbol.
6828         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6829
6830 2009-12-30  Ian Lance Taylor  <iant@google.com>
6831
6832         PR 10861
6833         * script.h (class Version_script_info): Define Language enum.
6834         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6835         new fields globals_, locals_, and is_finalized_.
6836         * script.cc: Various formatting fixes.
6837         (class Parser_closure): Change language_stack_ from a vector of
6838         std::string to one of Version_script_info::Language.  Adjust all
6839         uses accordingly.
6840         (class Lazy_demangler): Remove.
6841         (struct Version_expression): Change language from std::string to
6842         Version_script_info::Language.
6843         (Version_script_info::Version_script_info): New function.
6844         (Version_script_info::~Version_script_info): Don't call clear.
6845         (Version_script_info::finalize): New function.
6846         (Version_script_info::build_lookup_tables): New function.
6847         (Version_script_info::build_expression_list_lookup): New
6848         function.
6849         (Version_script_info::get_symbol_version_helper): Rewrite to use
6850         lookup tables.
6851         (Version_script_info::print_expression_list): Adjust to use
6852         Version_script_info::Language.
6853         (script_push_lex_into_version_mode): Check that the version script
6854         has not been finalized.
6855         (version_script_push_lang): Change language string to
6856         Version_script_info::Language.
6857         * options.cc (Command_line::version_script): New function.
6858         * options.h (class General_options): Add finalize_dynamic_list
6859         function.  Change version_script from declaration to definition.
6860         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6861         * testsuite/version_script.map: Remove duplicate def of foo.
6862         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6863         version_script.map.
6864         * testsuite/Makefile.in: Rebuild.
6865
6866 2009-12-30  Ian Lance Taylor  <iant@google.com>
6867
6868         PR 10843
6869         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6870         if the input symbol index is 0, make the output symbol index 0.
6871
6872 2009-12-30  Ian Lance Taylor  <iant@google.com>
6873
6874         PR 10670
6875         * options.h (class General_options): Add -x/--discard-all.
6876         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6877         --discard-all.  If the local symbol needs a dynamic entry, check
6878         that before handling --discard-locals.
6879
6880 2009-12-30  Ian Lance Taylor  <iant@google.com>
6881
6882         PR 10450
6883         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6884         flags to PF_R.
6885         (Output_segment::add_output_section): Don't change the flags if
6886         the type is PT_TLS.
6887
6888         PR 10450
6889         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6890         GNU hash table if they need a dynamic value.  Otherwise, don't add
6891         them if they are defined in a dynamic object or are forced local.
6892
6893 2009-12-29  Ian Lance Taylor  <iant@google.com>
6894
6895         PR 10450
6896         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6897         .gnu.hash table for a 32-bit target.
6898
6899         PR 10450
6900         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6901         regular and a dynamic object only needs a dynamic symbol table
6902         entry if it is externally visible.
6903
6904         PR 10450
6905         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6906         constructor.  Add global_offset_table_ field.
6907         (Target_i386::got_section): Set global_offset_table_.
6908         (Target_i386::do_finalize_sections): Set global_offset_table_
6909         size.
6910         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6911         in constructor.  Add global_offset_table_ field.
6912         (Target_x86_64::got_section): Set global_offset_table_.
6913         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6914         size.
6915
6916         * layout.cc (Layout::Layout): Initialize increase_relro_.
6917         (Layout::get_output_section): Add is_relro, is_last_relro, and
6918         is_first_non_relro parameters.  Change all callers.
6919         (Layout::choose_output_section): Likewise.
6920         (Layout::add_output_section_data): Likewise.
6921         (Layout::make_output_section): Likewise.
6922         (Layout::set_segment_offsets): Clear increase_relro when using a
6923         linker script.
6924         * layout.h (class Layout): Add increase_relro method.  Add
6925         increase_relro_ field.  Update declarations.
6926         * output.cc (Output_section::Output_section): Initialize
6927         is_last_relro_ and is_first_non_relro_.
6928         (Output_segment::add_output_section): Group relro sections is
6929         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6930         (Output_segment::maximum_alignment): Remove relro handling.
6931         (Output_segment::set_section_addresses): Add increase_relro
6932         parameter.  Change all callers.  Add initial alignment to align
6933         relro sections on separate page.  Remove old relro handling.
6934         (Output_segment::set_section_list_addresses): Remove in_relro
6935         parameter.  Change all callers.
6936         (Output_segment::set_offset): Add increase parameter.  Change all
6937         callers.  Remove old relro handling.
6938         * output.h (class Output_section): Add new methods: is_last_relro,
6939         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6940         Add is_last_relro_ and is_first_non_relro_ fields.
6941         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6942         Create separate .got.plt section.  Call increase_relro.
6943         * x86_64.cc (Target_x86_64::got_section): Likewise.
6944         * testsuite/relro_script_test.t: Add .got.plt.
6945
6946         PR 10450
6947         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6948         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6949         (Layout::finalize): Call set_dynamic_symbol_size.
6950         (Layout::set_dynamic_symbol_size): New function.
6951         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6952         set_dynamic_symbol_size.
6953
6954         PR 10450
6955         * output.h (class Output_section): Add is_entsize_zero_ field.
6956         * output.cc (Output_section::Output_section): Initialize
6957         is_entsize_zero_.
6958         (Output_section::set_entsize): If two different entsizes are
6959         requested, force it to zero.
6960         (Output_section::add_input_section): Set flags for .debug_str
6961         before updating section flags.  Set entsize.
6962         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6963         and SHF_STRING if all input sections have those flags.
6964
6965 2009-12-29   Rafael Espindola  <espindola@google.com>
6966
6967         * main.cc (main): Fix the sys time reporting.
6968         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6969         reporting.
6970
6971 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6972
6973         * options.cc (General_options::parse_version): Allow -v to exit
6974         without an error if there is nothing to link.
6975
6976 2009-12-29  Ian Lance Taylor  <iant@google.com>
6977
6978         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6979         using a version of gcc before 4.1.
6980         * configure: Rebuild.
6981
6982 2009-12-28  Chris Demetriou  <cgd@google.com>
6983
6984         * attributes.cc (Output_attributes_section_data::do_write): Use
6985         std::vector::front rather than std::vector::data.
6986
6987 2009-12-28  Ian Lance Taylor  <iant@google.com>
6988
6989         * symtab.h (class Symbol_table): Add enum Defined.
6990         * resolve.cc (Symbol_table::should_override): Add defined
6991         parameter.  Change all callers.  Test whether object is NULL
6992         before calling a method on it.
6993         (Symbol_table::report_resolve_problem): Add defined parameter.
6994         Change all callers.
6995         (Symbol_table::should_override_with_special): Likewise.
6996         * symtab.cc (Symbol_table::define_in_output_data): Add defined
6997         parameter.  Change all callers.
6998         (Symbol_table::do_define_in_output_data): Likewise.
6999         (Symbol_table::define_in_output_segment): Likewise.
7000         (Symbol_table::do_define_in_output_segment): Likewise.
7001         (Symbol_table::define_as_constant): Likewise.
7002         (Symbol_table::do_define_as_constant): Likewise.
7003         * script.h (class Symbol_assignment): Add is_defsym parameter to
7004         constructor; change all callers.
7005         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7006         parameter.  Change all callers.  Add is_defsym_ field.
7007         (class Parser_closure): Add parsing_defsym parameter to
7008         constructor; change all callers.  Add parsing_defsym accessor
7009         function.  Add parsing_defsym_ field.
7010
7011 2009-12-28  Ian Lance Taylor  <iant@google.com>
7012
7013         * gold.cc (queue_middle_tasks): Fix formatting.
7014         * object.cc (Relobj::is_section_name_included): Likewise.
7015
7016 2009-12-23  Ian Lance Taylor  <iant@google.com>
7017
7018         * i386.cc (Target_i386::do_calls_non_split): Recognize
7019         -fsplit-stack prologue for a function with a static chain.
7020         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7021         -fsplit-stack prologue when using %r11.
7022
7023 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7024
7025         * options.cc (General_options::parse_version): Make -v continue and do
7026         the link like GNU ld does.
7027
7028 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7029
7030         * Makefile.am (CCFILES): Add timer.cc.
7031         (HFILES): Add timer.h.
7032         * configure.ac: Check for sysconf and times.
7033         * main.cc: include timer.h.
7034         (main): Use Timer instead of get_run_time.
7035         * timer.cc: New.
7036         * timer.h: New.
7037         * workqueue.cc: include timer.h.
7038         (Workqueue::find_and_run_task):
7039         Report user, sys and wall time.
7040         * Makefile.in: Regenerate.
7041         * config.in: Regenerate.
7042         * configure: Regenerate.
7043
7044 2009-12-16  Doug Kwan  <dougkwan@google.com>
7045
7046         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7047         sections.
7048         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7049         relaxed input sections.
7050         * output.cc (Output_section::find_relaxed_input_section): Change
7051         return type to Output_relaxed_input_section pointer.  Adjust code
7052         for new type of relaxed_input_section_map_.
7053         * output.h (Output_section::find_relaxed_input_section): Change
7054         return type to Output_relaxed_input_section pointer.
7055         (Output_section::Output_relaxed_input_section_by_input_section_map):
7056         New type.
7057         (Output_section::relaxed_input_section_map_): Change type to
7058         Output_section::Output_relaxed_input_section_by_input_section_map.
7059         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7060         input section.
7061
7062 2009-12-15  Ian Lance Taylor  <iant@google.com>
7063
7064         * layout.cc (Layout::create_shstrtab): Only write out after input
7065         sections if we are compressing debug sections.
7066
7067 2009-12-15  Ian Lance Taylor  <iant@google.com>
7068
7069         * archive.cc (Archive::add_symbols): Only look up a symbol without
7070         a version if there is, in fact, a version.
7071
7072 2009-12-14  Ian Lance Taylor  <iant@google.com>
7073
7074         Revert -Wshadow changes, all changes from:
7075         2009-12-11  Doug Kwan  <dougkwan@google.com>
7076         2009-12-11  Nick Clifton  <nickc@redhat.com>
7077         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7078
7079 2009-12-11  Doug Kwan  <dougkwan@google.com>
7080
7081         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7082         due to -Wshadow.
7083         * attributes.cc (Object_attribute::size): Ditto.
7084         (Attributes_section_data::size): Ditto.
7085         (Attributes_section_data::Attributes_section_data): Ditto.
7086         (Output_attributes_section_data::do_write): Ditto.
7087         * attributes.h (Object_attribute::set_type): Ditto.
7088         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7089
7090 2009-12-11  Nick Clifton  <nickc@redhat.com>
7091
7092         * archive.cc: Fix shadowed variable warnings.
7093         * arm.cc: Likewise.
7094         * compressed_output.cc: Likewise.
7095         * compressed_output.h: Likewise.
7096         * configure: Likewise.
7097         * dwarf_reader.cc: Likewise.
7098         * dynobj.cc: Likewise.
7099         * dynobj.h: Likewise.
7100         * ehframe.cc: Likewise.
7101         * ehframe.h: Likewise.
7102         * errors.cc: Likewise.
7103         * expression.cc: Likewise.
7104         * fileread.cc: Likewise.
7105         * fileread.h: Likewise.
7106         * freebsd.h: Likewise.
7107         * i386.cc: Likewise.
7108         * icf.cc: Likewise.
7109         * incremental.h: Likewise.
7110         * layout.cc: Likewise.
7111         * layout.h: Likewise.
7112         * mapfile.cc: Likewise.
7113         * merge.cc: Likewise.
7114         * merge.h: Likewise.
7115         * object.cc: Likewise.
7116         * object.h: Likewise.
7117         * options.h: Likewise.
7118         * output.cc: Likewise.
7119         * output.h: Likewise.
7120         * parameters.cc: Likewise.
7121         * plugin.cc: Likewise.
7122         * powerpc.cc: Likewise.
7123         * reduced_debug_output.cc: Likewise.
7124         * reduced_debug_output.h: Likewise.
7125         * reloc.cc: Likewise.
7126         * reloc.h: Likewise.
7127         * resolve.cc: Likewise.
7128         * script-sections.cc: Likewise.
7129         * script.cc: Likewise.
7130         * script.h: Likewise.
7131         * sparc.cc: Likewise.
7132         * symtab.cc: Likewise.
7133         * symtab.h: Likewise.
7134         * target-select.cc: Likewise.
7135         * target-select.h: Likewise.
7136         * token.h: Likewise.
7137         * workqueue.cc: Likewise.
7138         * workqueue.h: Likewise.
7139         * x86_64.cc: Likewise.
7140
7141 2009-12-10  Doug Kwan  <dougkwan@google.com>
7142
7143         * arm.cc (attributes.h): New include.
7144         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7145         (Arm_relobj::~Arm_relobj): Delete object pointed by
7146         attributes_section_data_.
7147         (Arm_relobj::attributes_section_data): New method definition.
7148         (Arm_relobj::attributes_section_data_): New data member declaration.
7149         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7150         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7151         attributes_section_data_.
7152         (Arm_dynobj::attributes_section_data): New method definition.
7153         (Arm_dynobj::attributes_section_data_): New data member declaration.
7154         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7155         initialization value of may_use_blx_ to false.
7156         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7157         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7158         object attributes to compute results instead of hard-coding.
7159         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7160         Target_arm::get_secondary_compatible_arch,
7161         Target_arm::set_secondary_compatible_arch
7162         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7163         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7164         New method declarations.
7165         (Target_arm::get_aeabi_object_attribute): New method definition.
7166         (Target_arm::attributes_section_data_): New data member declaration.
7167         (read_arm_attributes_section): New template definition.
7168         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7169         (Arm_dynobj::do_read_symbols): Ditto.
7170         (Target_arm::do_finalize_sections): Merge attributes sections from
7171         input.  Check for BLX use after attributes section merging.
7172         Fix __exidx_start and __exidx_end visibility.  Create an
7173         .ARM.attributes section if necessary.
7174         (Target_arm::get_secondary_compatible_arch,
7175         Target_arm::set_secondary_compatible_arch,
7176         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7177         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7178         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7179         New method definitions.
7180
7181 2009-12-09  Ian Lance Taylor  <iant@google.com>
7182
7183         * plugin.cc (Plugin::load): Don't cast from void* to a function
7184         pointer.
7185
7186 2009-12-09  Ian Lance Taylor  <iant@google.com>
7187
7188         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7189         information fields.
7190
7191 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7192
7193         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7194         Replace two_file_shared_1.so with two_file_shared_2.so.
7195         * testsuite/Makefile.in: Regenerated.
7196
7197 2009-12-08  Doug Kwan  <dougkwan@google.com>
7198
7199         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7200         (HFILES): Add attributes.h and int_encoding.h.
7201         * Makefile.in: Regenerate.
7202         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7203         function definitions to int_encoding.cc
7204         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7205         prototypes to int_encoding.h
7206         * reduced_debug_output.cc (int_encoding.h): New include.
7207         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7208         function definitions to int_encoding.cc
7209         (insert_into_vector, read_from_pointer): Move template definitions to
7210         int_encoding.h
7211         * attributes.cc: New file.
7212         * attributes.h: New file.
7213         * int_encoding.cc: New file.
7214         * int_encoding.h: New file.
7215
7216 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7217
7218         PR gold/11055
7219         * incremental-dump.cc (dump_incremental_inputs): New.
7220         (main): Use dump_incremental_inputs.
7221
7222 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7223
7224         PR gold/10893
7225         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7226         checking elfcpp::STT_FUNC.
7227         (Target_i386::Relocate::relocate): Likewise.
7228         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7229
7230         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7231         symbols from shared libraries into normal FUNC symbols.
7232
7233         * symtab.h (Symbol): Add is_func and use it.
7234
7235 2009-12-05  Doug Kwan  <dougkwan@google.com>
7236
7237         * arm.cc (Target_arm::arm_info): Initialize new fields
7238         attributes_section and attributes_vendor.
7239         * i386.cc (Target_i386::i386_info): Same.
7240         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7241         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7242         fields attributes_section and attributes_vendor.
7243         * sparc.cc (Target_sparc::sparc_info): Same.
7244         * target.h (Target::attributes_section, Target::attributes_vendor,
7245         Target::is_attributes_section, Target::attribute_arg_type,
7246         Target::attributes_order): New method definitions.
7247         (Target::Target_info::attributes_section,
7248         Target::Target_info::attributes_vendor): New fields.
7249         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7250         virtual method definitions.
7251         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7252         attributes_section and attributes_vendor.
7253         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7254
7255 2009-12-05  Doug Kwan  <dougkwan@google.com>
7256
7257         * arm.cc: Update comments about interworking and stub generation.
7258         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7259         considered as non-PIC.
7260         (Arm_relocate_functions::base_abs): Fix formatting.
7261         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7262         of function to use GOT entry address instead of offset.
7263         (Target_arm::Scan::global): Issue an error if a symbol would need a
7264         PLT does not get one because it is untyped.  Remove code to create
7265         dynamic symbols for relative branches.
7266         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7267         takes unsigned integer instead of boolean.
7268
7269 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7270
7271         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7272         (two_file_test_LDADD): Likewise.
7273         (common_test_1_LDADD): Likewise.
7274         (exception_test_LDADD) Likewise.
7275         (weak_test_LDADD): Likewise.
7276         (many_sections_test_LDADD): Likewise.
7277         (initpri1_LDADD): Likewise.
7278         (script_test_1_LDADD): Likewise.
7279         (script_test_2_LDADD): Likewise.
7280         (justsyms_LDADD): Likewise.
7281         (binary_test_LDADD): Likewise.
7282         (large_LDADD): Likewise.
7283         * testsuite/Makefile.in: Regenerated.
7284
7285 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7286
7287         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7288         (Symbol_table::override_with_special): Likewise.
7289         (Symbol_table::add_from_object): Likewise.
7290
7291 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7292
7293         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7294         Don't set the data_offset twice.
7295
7296 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7297
7298         * testsuite/Makefile.in: Regenerate.
7299
7300 2009-12-03  Doug Kwan  <dougkwan@google.com>
7301
7302         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7303         (Target_arm::do_finalize_sections): Add parameter for symbol table
7304         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7305         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7306         parameter for symbol table pointer.
7307         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7308         an additional parameter for a pointer to symbol table.
7309         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7310         parameter for a symbol table pointer.
7311         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7312         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7313         Ditto.
7314         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7315         parameter for a symbol table pointer.
7316
7317 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7318
7319         * incremental.cc (Incremental_inputs_header)
7320         (Incremental_inputs_header_write, Incremental_inputs_entry)
7321         (Incremental_inputs_entry_write): Move ...
7322         * incremental.h (Incremental_inputs_header)
7323         (Incremental_inputs_header_write, Incremental_inputs_entry)
7324         (Incremental_inputs_entry_write): here.
7325
7326 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7327
7328         * incremental.cc (make_sized_incremental_binary): Set the target.
7329         Error if it is incompatible.
7330         * output.h (Output_file): Add filename method.
7331
7332 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7333
7334         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7335         from the get_* methods.
7336
7337 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7338
7339         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7340         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7341         Write 0 for the data_offset of scripts.
7342
7343 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7344
7345         * testsuite/Makefile.am: Add the incremental_test.sh test.
7346         * testsuite/incremental_test.sh: New.
7347         * testsuite/incremental_test_1.c: New.
7348         * testsuite/incremental_test_2.c: New.
7349
7350 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7351
7352        * incremental-dump.cc (main): Fix typos.
7353
7354 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7355
7356         PR gold/11025
7357         * incremental-dump.cc (main): Use llu to print 64 bit values.
7358
7359 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7360             H.J. Lu  <hongjiu.lu@intel.com>
7361
7362         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7363         $(LIBDL).
7364         (incremental_dump_LDADD): Likewise.
7365         * Makefile.in: Regenerated.
7366
7367 2009-11-25  Doug Kwan  <dougkwan@google.com>
7368
7369         Revert:
7370
7371         2009-11-25  Doug Kwan  <dougkwan@google.com>
7372
7373                 * arm.cc (Target_arm::Target_arm): Move method definition
7374                 outside of class definition.  Add code to handle
7375                 --target1-rel, --target1-abs and --target2= options.
7376                 (Target_arm::get_reloc_reloc_type): Change method to be
7377                 non-static and const.
7378                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7379                 New data member declaration.
7380                 (Target_arm::Scan::local, Target_arm::Scan::global,
7381                 Target_arm::Relocate::relocate,
7382                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7383                 Adjust call to Target_arm::get_real_reloc_type.
7384                 (Target_arm::get_real_reloc_type): Use command line options
7385                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7386                 * options.h (--target1-rel, --target1-abs, --target2): New
7387                 ARM-only options.
7388
7389 2009-11-25  Doug Kwan  <dougkwan@google.com>
7390
7391         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7392         class definition.  Add code to handle --target1-rel, --target1-abs
7393         and --target2= options.
7394         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7395         and const.
7396         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7397         member declaration.
7398         (Target_arm::Scan::local, Target_arm::Scan::global,
7399         Target_arm::Relocate::relocate,
7400         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7401         call to Target_arm::get_real_reloc_type.
7402         (Target_arm::get_real_reloc_type): Use command line options to
7403         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7404         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7405         options.
7406
7407 2009-11-25  Doug Kwan  <dougkwan@google.com>
7408
7409         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7410         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7411         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7412         formatting.
7413         (Arm_relocate_functions::thm_call): Replace body with a call to
7414         Arm_relocate_functions::thumb_branch_common.
7415         (Arm_relocate_functions::thm_jump24,
7416         Arm_relocate_functions::thm_xpc22): New method definitions.
7417         (Arm_relocate_functions::thumb_branch_common): New method definition.
7418         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7419         operator.
7420         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7421         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7422
7423 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7424
7425         * Makefile.am: Build incremental-dump
7426         * Makefile.in: Regenerate.
7427         * incremental-dump.cc: New.
7428         * incremental.cc (Incremental_inputs_header_data,
7429         Incremental_inputs_entry_data): Move to incremental.h
7430         * incremental.h: (Incremental_inputs_header_data,
7431         Incremental_inputs_entry_data): Move from incremental.cc
7432
7433 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7434
7435         * incremental.cc (Incremental_inputs_header,
7436         Incremental_inputs_header_write, Incremental_inputs_entry,
7437         Incremental_inputs_entry_write): Add a typedef with the data type.
7438
7439 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7440
7441         * incremental.cc (Incremental_inputs_header,
7442         Incremental_inputs_header_write, Incremental_inputs_entry,
7443         Incremental_inputs_entry_write): Update comment about which
7444         type has the filed descriptions.
7445
7446 2009-11-15  Doug Kwan  <dougkwan@google.com>
7447
7448         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7449         (Arm_relocate_functions::arm_branch_common): Change method defintion
7450         in class definition to a method declaration and update list of formal
7451         parameters.
7452         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7453         Arm_relocation_functions::jump24): Adjust call to
7454         Arm_relocate_functions::arm_branch_common.  Update list of formal
7455         parameters.
7456         (Arm_relocate_functions::xpc25): New method definition.
7457         (Arm_relocate_functions::arm_branch_common): Move method defintion
7458         out from class definition.  Use stubs for mode-switching and extending
7459         branch ranges.
7460         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7461         specially.  Change code to enable use of stubs in ARM branches.
7462
7463 2009-11-10  Doug Kwan  <dougkwan@google.com>
7464
7465         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7466         in method declaration.
7467         (Target_arm::relocate_stub): New method declaration.
7468         (Target_arm::default_target): Change to return a pointer instead of
7469         a const reference.
7470         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7471         Target_arm::default_target.
7472         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7473         method definition.
7474         (Target_arm::relocate_section): Adjust view.
7475         (Target_arm::relocate_stub): New method definition.
7476
7477 2009-11-10  Doug Kwan  <dougkwan@google.com>
7478
7479         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7480         a format warning.
7481         * incremental.cc (open_incremental_binary): Initialized local
7482         variables to avoid warnings.
7483         * object.cc (make_elf_object): Ditto.
7484         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7485         a format warning.
7486
7487 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7488
7489         PR gold/10930
7490         * testsuite/plugin_test.c: Include "config.h".
7491
7492 2009-11-09  Doug Kwan  <dougkwan@google.com>
7493
7494         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7495         (arm_symbol_value): Remove.
7496         (Arm_relocate_functions::arm_branch_common,
7497         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7498         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7499         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7500         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7501         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7502         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7503         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7504         Arm_relocate_functions::thm_mobw_abs_nc,
7505         Arm_relocate_functions::thm_mov_abs,
7506         Arm_relocate_functions::movw_prel_nc,
7507         Arm_relocate_functions::thm_movt_abs,
7508         Arm_relocate_functions::movt_prel,
7509         Arm_relocate_functions::thm_movw_prel_nc,
7510         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7511         (Target_arm::Relocate::relocate): Only decompose address into two
7512         parts if relocation type uses the thumb-bit and pass the actual
7513         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7514         calls to methods in Arm_relocate_functions for this change.
7515
7516 2009-11-08  Ian Lance Taylor  <iant@google.com>
7517
7518         PR 10925
7519         * reloc.cc: Instantiate
7520         Sized_relobj::initialize_input_to_output_maps and
7521         Sized_relobj:free_input_to_output_maps.
7522
7523 2009-11-06  Ian Lance Taylor  <iant@google.com>
7524
7525         PR 10876
7526         * defstd.cc (in_segment): Set only_if_ref true for "end".
7527
7528 2009-11-06  Doug Kwan  <dougkwan@google.com>
7529
7530         * arm.cc (class Reloc_stub): Correct a comment.
7531         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7532         (Target_arm::scan_section_for_stubs): New method declaration.
7533         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7534         Change methods from private to protected.
7535         (Target_arm::do_may_relax): New method definition.
7536         (Target_arm::do_relax, Target_arm::group_sections,
7537         Target_arm::scan_reloc_for_stub,
7538         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7539         (Target_arm::arm_input_section_map_): New data member declaration.
7540         (Target_arm::scan_reloc_for_stub,
7541         Target_arm::scan_reloc_section_for_stubs,
7542         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7543         Target_arm::do_relax): New method definitions.
7544
7545 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7546
7547         * configure.ac: Check for (struct stat)::st_mtim
7548         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7549         * config.in: Regenerate.
7550         * configure: Regenerate.
7551
7552 2009-11-05  Ian Lance Taylor  <iant@google.com>
7553
7554         PR 10910
7555         * output.cc (Output_segment::add_output_section): Add missing
7556         return statement.
7557
7558 2009-11-04  Ian Lance Taylor  <iant@google.com>
7559
7560         PR 10880
7561         * object.h (class Object): Add is_needed and set_is_needed
7562         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7563         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7564         defined in a dynamic object and referenced by a regular object,
7565         set is_needed for the dynamic object.
7566         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7567         if the file is marked with as_needed and it is not needed.
7568
7569 2009-11-04  Ian Lance Taylor  <iant@google.com>
7570
7571         PR 10887
7572         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7573         tags if data is discarded by linker script.
7574         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7575         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7576         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7577         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7578
7579 2009-11-04  Ian Lance Taylor  <iant@google.com>
7580
7581         * layout.cc (Layout::get_output_section): Add is_interp and
7582         is_dynamic_linker_section parameters.  Change all callers.
7583         (Layout::choose_output_section): Likewise.
7584         (Layout::make_output_section): Likewise.
7585         (Layout::add_output_section_data): Add is_dynamic_linker_section
7586         parameter.  Change all callers.
7587         * layout.h (class Layout): Update declarations.
7588         * output.h (class Output_section): Add is_interp, set_is_interp,
7589         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7590         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7591         generate_code_fills_at_write_ to a bitfield.
7592         * output.cc (Output_section::Output_sections): Initialize new
7593         fields.
7594         (Output_segment::add_output_section): Add do_sort parameter.
7595         Change all callers.
7596
7597 2009-11-03  Ian Lance Taylor  <iant@google.com>
7598
7599         PR 10860
7600         * options.h (class General_options): Add --warn-common.
7601         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7602         merging two common symbols.
7603         (Symbol_table::should_override): Handle --warn-common when merging
7604         a common symbol with a defined symbol.  Use report_resolve_problem
7605         for multiple definitions.
7606         (Symbol_table::report_resolve_problem): New function.
7607         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7608
7609 2009-11-03  Doug Kwan  <dougkwan@google.com>
7610
7611         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7612         stub_factory_.
7613         (Target_arm::stub_factory): New method definition.
7614         (Target_arm::new_arm_input_section,
7615         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7616         Target_arm::reloc_uses_thumb_bit): New method declarations.
7617         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7618         New type definitions.
7619         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7620         member declarations.
7621         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7622         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7623         New method definitions.
7624
7625 2009-11-03  Ian Lance Taylor  <iant@google.com>
7626
7627         * options.h (class General_options): Add --warn_constructors.
7628
7629 2009-11-03  Ian Lance Taylor  <iant@google.com>
7630
7631         PR 10893
7632         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7633         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7634
7635 2009-11-03  Ian Lance Taylor  <iant@google.com>
7636
7637         PR 10895
7638         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7639         --msgid-bugs-address.
7640         (install-pdf): New target.
7641         (install-data_yes): Look up one directory to find mkinstalldirs.
7642
7643 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7644
7645         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7646         tree.
7647
7648 2009-10-30  Doug Kwan  <dougkwan@google.com>
7649
7650         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7651
7652 2009-10-30  Doug Kwan  <dougkwan@google.com>
7653
7654         * arm.cc (Stub_addend_reader): New struct template definition
7655         and partial specializations.
7656         (Stub_addend_reader::operator()): New method definition for a
7657         partially specialized template.
7658
7659 2009-10-30  Doug Kwan  <dougkwan@google.com>
7660
7661         * arm.cc (Arm_relobj::processor_specific_flags): New method
7662         definition.
7663         (Arm_relobj::do_read_symbols): New method declaration.
7664         (Arm_relobj::processor_specific_flags_): New data member declaration.
7665         (Arm_dynobj): New class definition.
7666         (Target_arm::do_finalize_sections): Add input_objects parameter.
7667         (Target_arm::do_adjust_elf_header): New method declaration.
7668         (Target_arm::are_eabi_versions_compatible,
7669         (Target_arm::merge_processor_specific_flags): New method declaration.
7670         (Target_arm::do_make_elf_object): New overloaded method definitions
7671         and declaration.
7672         (Arm_relobj::do_read_symbols): New method definition.
7673         (Arm_dynobj::do_read_symbols): Ditto.
7674         (Target_arm::do_finalize_sections): Add input_objects parameters.
7675         Merge processor-specific flags from all input objects.
7676         (Target_arm::are_eabi_versions_compatible,
7677         Target_arm::merge_processor_specific_flags,
7678         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7679         New method definitions.
7680         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7681         Input_objects pointer type parameter.
7682         * layout.cc (Layout::finalize): Pass input objects to target's.
7683         finalize_sections function.
7684         * output.cc (Output_file_header::do_sized_write): Set ELF file
7685         header's processor-specific flags.
7686         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7687         Input_objects pointer type parameter.
7688         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7689         * target.h (Input_objects): New forward class declaration.
7690         (Target::processor_specific_flags,
7691         Target::are_processor_specific_flags_sect): New method definitions.
7692         (Target::finalize_sections): Add input_objects parameter.
7693         (Target::Target): Initialize processor_specific_flags_ and
7694         are_processor_specific_flags_set_.
7695         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7696         parameter.
7697         (Target::set_processor_specific_flags): New method definition.
7698         (Target::processor_specific_flags_,
7699         Target::are_processor_specific_flags_set_): New data member
7700         declarations.
7701         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7702         Input_objects pointer type parameter.
7703
7704 2009-10-30  Doug Kwan  <dougkwan@google.com>
7705
7706         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7707
7708 2009-10-28  Ian Lance Taylor  <iant@google.com>
7709
7710         * object.h (class Relobj): Drop options parameter from
7711         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7712         do_scan_relocs, do_relocate.  Change all callers.
7713         (class Sized_relobj): Drop options parameters from
7714         do_gc_process_relocs, do_scan_relocs, do_relocate,
7715         do_relocate_sections, relocate_sections, emit_relocs_scan,
7716         emit_relocs_scan_reltype.  Change all callers.
7717         (struct Relocate_info): Remove options field and all references to
7718         it.
7719         * reloc.h (class Read_relocs): Remove options constructor
7720         parameter and options_ field.  Change all callers.
7721         (class Gc_process_relocs, class Scan_relocs): Likewise.
7722         (class Relocate_task): Likewise.
7723         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7724         all callers.
7725         (scan_relocatable_relocs): Likewise.
7726         * target.h (class Sized_target): Remove options parameter from
7727         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7728         all callers.
7729         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7730         callers.
7731         * arm.cc: Update functions to remove options parameters.
7732         * i386.cc: Likewise.
7733         * powerpc.cc: Likewise.
7734         * sparc.cc: Likewise.
7735         * x86_64.cc: Likewise.
7736         * testsuite/testfile.cc: Likewise.
7737
7738 2009-10-28  Doug Kwan  <dougkwan@google.com>
7739
7740         * arm.cc (Arm_relobj): New class definition.
7741         (Arm_relobj::scan_sections_for_stubs,
7742         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7743         New method definitions.
7744
7745 2009-10-28  Cary Coutant  <ccoutant@google.com>
7746
7747         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7748         (Plugin::cleanup_done_): New member.
7749         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7750         (Plugin_manager::cleanup_done_): Remove.
7751         (Plugin_manager::add_input_file): Edit error message.
7752         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7753         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7754
7755 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7756
7757         * fileread.cc: (File_read::View::~View): Use the new
7758         data_ownership_ filed.
7759         (File_read::~File_read): Dispose the new whole_file_view_.
7760         (File_read::open): Mmap the whole file if needed.
7761         (File_read::open): Use whole_file_view_ instead of contents_.
7762         (File_read::find_view): Use whole_file_view_ if applicable.
7763         (File_read::do_read): Use whole_file_view_ instead of contents_.
7764         (File_read::make_view): Use whole_file_view_ instead of contents_,
7765         update File_read::View::View call.
7766         (File_read::find_or_make_view): Update File_read::View::View
7767         call.
7768         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7769         remove contents_
7770         (File_read::View::Data_ownership): New enum.
7771         (File_read::View::View): Replace bool mapped_ with Data_ownership
7772         argument.
7773         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7774         (File_read::View::data_ownership_): New field.
7775         (File_read::contents_): Remove (replaced by whole_file_view_).
7776         (File_read::whole_file_view_): New field.
7777         * options.h (class General_options): Add --keep-files-mapped.
7778
7779 2009-10-27  Cary Coutant  <ccoutant@google.com>
7780
7781         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7782         * testsuite/Makefile.am (plugin_test_5): New test case.
7783         * testsuite/Makefile.in: Regenerate.
7784
7785 2009-10-25  Doug Kwan  <dougkwan@google.com>
7786
7787         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7788         from private to protected to allow access by child class.
7789         (Sized_relobj::do_relocate_sections): New method declaration.
7790         (Sized_relobj::relocate_sections): Virtualize.
7791         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7792         Sized_relobj::relocate_sections.  Instantiate template explicitly
7793         for different target sizes and endianity.
7794
7795 2009-10-24  Doug Kwan  <dougkwan@google.com>
7796
7797         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7798         (Arm_input_section::as_arm_input_section): New method.
7799         (Arm_output_section): New class definition.
7800         (Arm_output_section::create_stub_group,
7801         Arm_output_section::group_sections): New method definitions.
7802
7803 2009-10-22  Doug Kwan  <dougkwan@google.com>
7804
7805         * arm.cc (Arm_input_section): New class definition.
7806         (Arm_input_section::init, Arm_input_section:do_write,
7807         Arm_input_section::set_final_data_size,
7808         Arm_input_section::do_reset_address_and_file_offset): New method
7809         definitions.
7810
7811 2009-10-21  Doug Kwan  <dougkwan@google.com>
7812
7813         * arm.cc (Stub_table, Arm_input_section): New forward class
7814         declarations.
7815         (Stub_table): New class defintion.
7816         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7817         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7818         New method definition.
7819
7820 2009-10-21  Doug Kwan  <dougkwan@google.com>
7821
7822         * arm.cc: Update copyright comments.
7823         (Target_arm): New forward class template declaration.
7824         (Arm_address): New type.
7825         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7826         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7827         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7828         constants.
7829         (Insn_template): Same.
7830         (DEF_STUBS): New macro.
7831         (Stub_type): New enum type.
7832         (Stub_template): New class definition.
7833         (Stub): Same.
7834         (Reloc_stub): Same.
7835         (Stub_factory): Same.
7836         (Target_arm::Target_arm): Initialize may_use_blx_ and
7837         should_force_pic_veneer_.
7838         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7839         Target_arm::should_force_pic_veneer,
7840         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7841         Target_arm::using_thumb_only, Target_arm:;default_target): New
7842         method defintions.
7843         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7844         New data member declarations.
7845         (Insn_template::size, Insn_template::alignment): New method defintions.
7846         (Stub_template::Stub_template): New method definition.
7847         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7848         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7849         (Stub_factory::Stub_factory): New method definition.
7850         * gold.h (string_hash): New template.
7851         * output.h (Input_section_specifier::hash_value): Use
7852         gold::string_hash.
7853         (Input_section_specifier::string_hash): Remove.
7854         * stringpool.cc (Stringpool_template::string_hash): Use
7855         gold::string_hash.
7856
7857 2009-10-20  Doug Kwan  <dougkwan@google.com>
7858
7859         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7860         symbols of relaxed input sections.
7861         * output.h (Output_section::find_relaxed_input_section): Make
7862         method public.
7863
7864 2009-10-16  Doug Kwan  <dougkwan@google.com>
7865
7866         * dynobj.cc (Versions::Versions): Initialize version_script_.
7867         Only insert base version symbol definition for a shared object
7868         if version script defines any version versions.
7869         (Versions::define_base_version): New method definition.
7870         (Versions::add_def): Check that base version is not needed.
7871         (Versions::add_need): Define base version lazily.
7872         * dynobj.h (Versions::define_base_version): New method declaration.
7873         (Versions::needs_base_version_): New data member declaration.
7874         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7875         (check_DATA): Add no_version_test.stdout.
7876         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7877         New make rules.
7878         * testsuite/Makefile.in: Regenerate.
7879         * testsuite/no_version_test.c: New file.
7880         * testsuite/no_version_test.sh: Ditto.
7881
7882 2009-10-16  Doug Kwan  <dougkwan@google.com>
7883
7884         * expression.cc (class Segment_start_expression): New class definition.
7885         (Segment_start_expression::value): New method definition.
7886         (script_exp_function_segment_start): Return a new
7887         Segment_start_expression.
7888         * gold/script-c.h (script_saw_segment_start_expression): New function
7889         prototype.
7890         * script-sections.cc (Script_sections::Script_sections): Initialize
7891         SAW_SEGMENT_START_EXPRESSION_ to false.
7892         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7893         and -Tbbs options to specify section addresses if given in
7894         command line and no SEGMENT_START expression is seen in a script.
7895         * script-sections.h (Script_sections::saw_segment_start_expression,
7896         Script_sections::set_saw_segment_start_expression): New method
7897         definition.
7898         (Script_sections::saw_segment_start_expression_): New data member
7899         declaration.
7900         * script.cc (script_saw_segment_start_expression): New function.
7901         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7902         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7903         script_test_7.sh and script_test_8.sh.
7904         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7905         script_test_8.stdout.
7906         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7907         (script_test_6, script_test_6.stdout, script_test_7,
7908         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7909         * Makefile.in: Regenerate.
7910         * testsuite/script_test_6.sh: New file.
7911         * testsuite/script_test_6.t: Same.
7912         * testsuite/script_test_7.sh: Same.
7913         * testsuite/script_test_7.t: Same.
7914         * testsuite/script_test_8.sh: Same.
7915
7916 2009-10-16  Doug Kwan  <dougkwan@google.com>
7917
7918         * output.cc (Output_segment::set_section_list_address): Cast
7919         expressions to unsigned long long type to avoid format warnings.
7920
7921 2009-10-15  Ian Lance Taylor  <iant@google.com>
7922
7923         * script.cc (Script_options::add_symbol_assignment): Always add a
7924         dot assignment to script_sections_.
7925         * script-sections.cc (Script_sections::add_dot_assignment):
7926         Initialize if necessary.
7927
7928         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7929         program headers with no load segment if there is a linker script.
7930
7931         * layout.cc (Layout::set_segment_offsets): Align the file offset
7932         to the segment aligment for -N or -n with no load segment.
7933         * output.cc (Output_segment::add_output_section): Don't crash if
7934         the first section is a TLS section.
7935         (Output_segment::set_section_list_addresses): Print an error
7936         message if the address moves backward in a linker script.
7937         * script-sections.cc
7938         (Output_section_element_input::set_section_addresses): Don't
7939         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7940         (Orphan_output_section::set_section_addresses): Likewise.
7941
7942 2009-10-15  Doug Kwan  <dougkwan@google.com>
7943
7944         * layout.cc (Layout::finish_dynamic_section): Generate tags
7945         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7946         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7947         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7948
7949 2009-10-14  Ian Lance Taylor  <iant@google.com>
7950
7951         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7952         fields.
7953         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7954         data_shdr fields of relinfo.
7955         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7956         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7957         R_386_TLS_LDO_32, adjust based on section flags.
7958         (Target_i386::Relocate::fix_up_ldo): Remove.
7959
7960 2009-10-13  Ian Lance Taylor  <iant@google.com>
7961
7962         Add support for -pie.
7963         * options.h (class General_options): Add -pie and
7964         --pic-executable.
7965         (General_options::output_is_position_independent): Test -pie.
7966         (General_options::output_is_executable): Return true if not shared
7967         and not relocatable.
7968         (General_options::output_is_pie): Remove.
7969         * options.cc (General_options::finalize): Reject incompatible uses
7970         of -pie.
7971         * gold.cc (queue_middle_tasks): A -pie link is not static.
7972         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7973         * symtab.cc (Symbol::final_value_is_known): Return false if
7974         output_is_position_independent.
7975         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7976         output_is_position_independent.
7977         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7978         output_is_position_independent.
7979         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7980         output_is_position_independent.
7981         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7982         two_file_pie_test.
7983         (basic_pie_test.o, basic_pie_test): New targets.
7984         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7985         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7986         (two_file_pie_test): New target.
7987         * testsuite/Makefile.in: Rebuild.
7988         * README: Remove note saying that -pie is not supported.
7989
7990 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7991
7992         * options.h (class General_options): Add -init and -fini.
7993         * layout.cc (Layout::finish_dynamic_section): Emit
7994         given init and fini functions.
7995
7996 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
7997
7998         * gc.h (gc_process_relocs): Check if icf is enabled using new
7999         function.
8000         * gold.cc (queue_initial_tasks): Likewise.
8001         (queue_middle_tasks): Likewise.
8002         * object.cc (do_layout): Likewise.
8003         * symtab.cc (is_section_folded): Likewise.
8004         * main.cc (main): Likewise.
8005         * reloc.cc (Read_relocs::run): Likewise.
8006         (Sized_relobj::do_scan_relocs): Likewise.
8007         * icf.cc (is_function_ctor_or_dtor): New function.
8008         (Icf::find_identical_sections): Check if function is ctor or dtor when
8009         safe icf is chosen.
8010         * options.h (General_options::icf): Change option to be an enum.
8011         (Icf_status): New enum.
8012         (icf_enabled): New method.
8013         (icf_safe_folding): New method.
8014         (set_icf_status): New method.
8015         (icf_status_): New variable.
8016         * (options.cc) (General_options::finalize): Set icf_status_.
8017         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8018         icf_test and icf_keep_unique_test to use the --icf enum flag.
8019         * testsuite/icf_safe_test.sh: New file.
8020         * testsuite/icf_safe_test.cc: New file.
8021
8022 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8023
8024         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8025         includes to gc.h and icf.h.
8026         * arm.cc: Include gc.h.
8027         * gold.cc: Likewise.
8028         * i386.cc: Likewise.
8029         * powerpc.cc: Likewise.
8030         * sparc.cc: Likewise.
8031         * x86_64.cc: Likewise.
8032         * gc.h: Include icf.h.
8033
8034 2009-10-11  Ian Lance Taylor  <iant@google.com>
8035
8036         * plugin.cc: Include "gold.h" before other header files.
8037
8038 2009-10-10  Chris Demetriou  <cgd@google.com>
8039
8040         * options.h (Input_file_argument::Input_file_type): New enum.
8041         (Input_file_argument::is_lib_): Replace with...
8042         (Input_file_argument::type_): New member.
8043         (Input_file_argument::Input_file_argument): Take Input_file_type
8044         'type' rather than boolean 'is_lib' as second argument.
8045         (Input_file_argument::is_lib): Use type_.
8046         (Input_file_argument::is_searched_file): New function.
8047         (Input_file_argument::may_need_search): Handle is_searched_file.
8048         * options.cc (General_options::parse_library): Support -l:filename.
8049         (General_options::parse_just_symbols): Update for Input_file_argument
8050         changes.
8051         (Command_line::process): Likewise.
8052         * archive.cc (Archive::get_file_and_offset): Likewise.
8053         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8054         * script.cc (read_script_file, script_add_file): Likewise.
8055         * fileread.cc (Input_file::Input_file): Likewise.
8056         (Input_file::will_search_for): Handle is_searched_file.
8057         (Input_file::open): Likewise.
8058         * readsyms.cc (Read_symbols::get_name): Likewise.
8059         * testsuite/Makefile.am (searched_file_test): New test.
8060         * testsuite/Makefile.in: Regenerate.
8061         * testsuite/searched_file_test.cc: New file.
8062         * testsuite/searched_file_test_lib.cc: New file.
8063
8064 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8065             Ian Lance Taylor  <iant@google.com>
8066
8067         * descriptor.cc: Include <cstdio> and "binary-io.h".
8068         (Descriptors::open): Open the files in binary mode always.
8069         * script.cc (Lex::get_token): Treat \r as whitespace.
8070
8071 2009-10-09  Ian Lance Taylor  <iant@google.com>
8072
8073         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8074
8075 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8076             Ian Lance Taylor  <iant@google.com>
8077
8078         * configure.ac: Check for readv function also.
8079         * fileread.cc (readv): Define if not HAVE_READV.
8080         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8081         does not exist.
8082         * config.in: Regenerate.
8083         * configure: Regenerate.
8084
8085 2009-10-09  Doug Kwan  <dougkwan@google.com>
8086
8087         * layout.cc (Layout::make_output_section): Call target hook to make
8088         ordinary output section.
8089         (Layout::finalize): Adjust parameter list of call the
8090         Target::may_relax().
8091         * layout.h (class Layout::section_list): New method.
8092         * merge.h (Output_merge_base::entsize): Change visibility to public.
8093         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8094         New methods.
8095         (Output_merge_string::do_is_string): New method.
8096         * object.cc (Sized_relobj::do_setup): renamed from
8097         Sized_relobj::set_up.
8098         * object.h (Sized_relobj::adjust_shndx,
8099         Sized_relobj::initializ_input_to_output_maps,
8100         Sized_relobj::free_input_to_output_maps): Change visibilities to
8101         protected.
8102         (Sized_relobj::setup): Virtualize.
8103         (Sized_relobj::do_setup): New method declaration.
8104         (Sized_relobj::invalidate_section_offset,
8105         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8106         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8107         * options.cc (parse_int): New function.
8108         * options.h (parse_int): New declaration.
8109         (DEFINE_int): New macro.
8110         (stub_group_size): New option.
8111         * output.cc (Output_section::Output_section): Initialize memebers
8112         merge_section_map_, merge_section_by_properties_map_,
8113         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8114         (Output_section::add_input_section): Handled deferred code-fill
8115         generation and remove an old comment.
8116         (Output_section::add_relaxed_input_section): New method definition.
8117         (Output_section::add_merge_input_section): Use merge section by
8118         properties map to speed to search.  Update merge section maps
8119         as appropriate.
8120         (Output_section::build_relaxation_map): New method definition.
8121         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8122         Same.
8123         (Output_section::relax_input_section): Renamed to
8124         Output_section::convert_input_sections_to_relaxed_sections and change
8125         interface to take a vector of pointers to relaxed sections.
8126         (Output_section::find_merge_section,
8127         Output_section::find_relaxed_input_section): New method definitions.
8128         (Output_section::is_input_address_mapped,
8129         Output_section::output_offset, Output_section::output_address):
8130         Use output section data maps to speed up searching.
8131         (Output_section::find_starting_output_address): Add comments.
8132         (Output_section::do_write,
8133         Output_section::write_to_postprocessing_buffer): Do code-fill
8134         generation as appropriate.
8135         (Output_section::get_input_sections): Invalidate relaxed input section
8136         map.
8137         (Output_section::restore_states): Adjust type of checkpoint .
8138         Invalidate relaxed input section map.
8139         * output.h (Output_merge_base): New class declaration.
8140         (Input_section_specifier): New class defintion.
8141         (class Output_relaxed_input_section) Change base class to
8142         Output_section_data_build.
8143         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8144         base class initializer.
8145         (Output_section::add_relaxed_input_section): New method declaration.
8146         (Output_section::Input_section): Change visibility to protected.
8147         (Output_section::Input_section::relobj,
8148         Output_section::Input_section::shndx): Handle relaxed input sections.
8149         Output_section::input_sections) Change visibility to protected.  Also
8150         define overload to return a non-const pointer.
8151         (Output_section::Merge_section_properties): New class defintion.
8152         (Output_section::Merge_section_by_properties_map,
8153         Output_section::Output_section_data_by_input_section_map,
8154         Output_section::Relaxation_map): New types.
8155         (Output_section::relax_input_section): Rename method to
8156         Output_section::convert_input_sections_to_relaxed_sections and change
8157         interface to take a vector of relaxed section pointers.
8158         (Output_section::find_merge_section,
8159         Output_section::find_relaxed_input_section,
8160         Output_section::build_relaxation_map,
8161         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8162         New method declarations.
8163         (Output_section::merge_section_map_
8164         Output_section::merge_section_by_properties_map_,
8165         Output_section::relaxed_input_section_map_,
8166         Output_section::is_relaxed_input_section_map_valid_,
8167         Output_section::generate_code_fills_at_write_): New data members.
8168         * script-sections.cc
8169         (Output_section_element_input::set_section_addresses): Call
8170         current_data_size and addralign methods of relaxed input sections.
8171         (Orphan_output_section::set_section_addresses): Call current_data_size
8172         and addralign methods of relaxed input sections.
8173         * symtab.cc (Symbol_table::compute_final_value): Extract template
8174         from the body of Symbol_table::sized_finalize_symbol.
8175         (Symbol_table::sized_finalized_symbol): Call
8176         Symbol_table::compute_final_value.
8177         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8178         (Symbol_table::compute_final_value): New templated method declaration.
8179         * target.cc (Target::do_make_output_section): New method defintion.
8180         * target.h (Target::make_output_section): New method declaration.
8181         (Target::relax): Add more parameters for input objects, symbol table
8182         and layout.  Adjust call to do_relax.
8183         (Target::do_make_output_section): New method declaration.
8184         (Target::do_relax): Add parameters for input objects, symbol table
8185         and layout.
8186
8187 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8188
8189         * pread.c: Include stdio.h.
8190
8191 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8192
8193         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8194         defined.
8195
8196 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8197
8198         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8199         Change read_shndx type to unsigned int.
8200         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8201         int.
8202         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8203         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8204         Change read_shndx type to unsigned int.
8205         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8206         int.
8207         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8208         * layout.cc (Layout::create_symtab_sections): Cast the result of
8209         local_symcount * symsize to off_t in the gold_assert.
8210
8211 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8212
8213         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8214         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8215         R_ARM_BASE_ABS.
8216         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8217         (Arm_relocate_functions::thm_abs5): New function.
8218         (Arm_relocate_functions::abs12): New function.
8219         (Arm_relocate_functions::abs16): New function.
8220         (Arm_relocate_functions::base_abs): New function.
8221         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8222         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8223         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8224         R_ARM_BASE_ABS.
8225         (Scan::global): Likewise.
8226         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8227         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8228         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8229         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8230         R_ARM_BASE_ABS.
8231
8232 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8233
8234         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8235         (Arm_relocate_functions::movt_prel): New function.
8236         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8237         (Arm_relocate_functions::thm_movt_prel): New function.
8238         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8239         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8240         (Scan::global, Relocate::relocate): Likewise.
8241         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8242
8243 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8244
8245         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8246         Incremental_checker.
8247         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8248         unsigned int.
8249         (class Incremental_inputs_header): New class.
8250         (Incremental_inputs_header_writer): Edit comment.
8251         (Incremental_inputs_entry): New class.
8252         (Incremental_inputs_entry_writer): Edit comment.
8253         (Sized_incremental_binary::do_find_incremental_inputs_section):
8254         Add *strtab_shndx parameter, fill it.
8255         (Sized_incremental_binary::do_check_inputs): New method.
8256         (Incremental_checker::can_incrementally_link_output_file): Use
8257         Sized_incremental_binary::check_inputs.
8258         (Incremental_inputs::report_command_line): Save command line in
8259         command_line_.
8260         * incremental.h:
8261         (Incremental_binary::find_incremental_inputs_section): New
8262         method.
8263         (Incremental_binary::do_find_incremental_inputs_section): Add
8264         strtab_shndx parameter.
8265         (Incremental_binary::do_check_inputs): New pure virtual method.
8266         (Sized_incremental_binary::do_check_inputs): Declare.
8267         (Incremental_checker::Incremental_checker): Add incremental_inputs
8268         parameter, use it to initialize incremental_inputs_.
8269         (Incremental_checker::incremental_inputs_): New field.
8270         (Incremental_checker::command_line): New method.
8271         (Incremental_checker::inputs): New method.
8272         (Incremental_checker::command_line_): New field.
8273
8274 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8275
8276         * incremental.cc: Include <cstdarg> and "target-select.h".
8277         (vexplain_no_incremental): New function.
8278         (explain_no_incremental): New function.
8279         (Incremental_binary::error): New method.
8280         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8281         method.
8282         (make_sized_incremental_binary): New function.
8283         (open_incremental_binary): New function.
8284         (can_incrementally_link_file): Add checks if output is ELF and has
8285         inputs section.
8286         * incremental.h: Include "elfcpp_file.h" and "output.h".
8287         (Incremental_binary): New class.
8288         (Sized_incremental_binary): New class.
8289         (open_incremental_binary): Declare.
8290         * object.cc (is_elf_object): Use
8291         elfcpp::Elf_recognizer::is_elf_file.
8292         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8293         * output.h (Output_file::filesize): New method.
8294
8295 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8296
8297         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8298         New function.
8299         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8300         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8301         function.
8302         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8303         function.
8304         (Arm_relocate_functions::movw_abs_nc): New function.
8305         (Arm_relocate_functions::movt_abs): New function.
8306         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8307         (Arm_relocate_functions::thm_movt_abs): New function.
8308         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8309         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8310         (Scan::global): Likewise.
8311         (Relocate::relocate): Likewise.
8312         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8313
8314 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8315
8316         * arm.cc (Arm_relocate_functions::got_prel) New function.
8317         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8318         (Relocate::relocate): Likewise.
8319         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8320
8321 2009-10-06  Ian Lance Taylor  <iant@google.com>
8322
8323         * options.h (class General_options): Define
8324         split_stack_adjust_size parameter.
8325         * object.h (class Object): Add uses_split_stack_ and
8326         has_no_split_stack_ fields.  Add uses_split_stack and
8327         has_no_split_stack accessor functions.  Declare
8328         handle_split_stack_section.
8329         (class Reloc_symbol_changes): Define.
8330         (class Sized_relobj): Define Function_offsets.  Declare
8331         split_stack_adjust, split_stack_adjust_reltype, and
8332         find_functions.
8333         * object.cc (Object::handle_split_stack_section): New function.
8334         (Sized_relobj::do_layout): Call handle_split_stack_section.
8335         * dynobj.cc (Sized_dynobj::do_layout): Call
8336         handle_split_stack_section.
8337         * reloc.cc (Sized_relobj::relocate_sections): Call
8338         split_stack_adjust for executable sections in split_stack
8339         objects.  Pass reloc_map to relocate_section.
8340         (Sized_relobj::split_stack_adjust): New function.
8341         (Sized_relobj::split_stack_adjust_reltype): New function.
8342         (Sized_relobj::find_functions): New function.
8343         * target-reloc.h: Include "object.h".
8344         (relocate_section): Add reloc_symbol_changes parameter.  Change
8345         all callers.
8346         * target.h (class Target): Add calls_non_split method.  Declare
8347         do_calls_non_split virtual method.  Declare match_view and
8348         set_view_to_nop.
8349         * target.cc: Include "elfcpp.h".
8350         (Target::do_calls_non_split): New function.
8351         (Target::match_view): New function.
8352         (Target::set_view_to_nop): New function.
8353         * gold.cc (queue_middle_tasks): Give an error if mixing
8354         split-stack and non-split-stack objects with -r.
8355         * i386.cc (Target_i386::relocate_section): Add
8356         reloc_symbol_changes parameter.
8357         (Target_i386::do_calls_non_split): New function.
8358         * x86_64.cc (Target_x86_64::relocate_section): Add
8359         reloc_symbol_changes parameter.
8360         (Target_x86_64::do_calls_non_split): New function.
8361         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8362         parameter.
8363         * powerpc.cc (Target_powerpc::relocate_section): Add
8364         reloc_symbol_changes parameter.
8365         * sparc.cc (Target_sparc::relocate_section): Add
8366         reloc_symbol_changes parameter.
8367         * configure.ac: Call AM_CONDITIONAL for the default target.
8368         * configure: Rebuild.
8369         * testsuite/Makefile.am (TEST_AS): New variable.
8370         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8371         (check_DATA): Add split_i386 and split_x86_64 files.
8372         (SPLIT_DEFSYMS): Define.
8373         (split_i386_[1234n].o): New targets.
8374         (split_i386_[124]): New targets.
8375         (split_i386_[1234r].stdout): New targets.
8376         (split_x86_64_[1234n].o): New targets.
8377         (split_x86_64_[124]): New targets.
8378         (split_x86_64_[1234r].stdout): New targets.
8379         (MOSTLYCLEANFILES): Add new executables.
8380         * testsuite/split_i386.sh: New file.
8381         * testsuite/split_x86_64.sh: New file.
8382         * testsuite/split_i386_1.s: New file.
8383         * testsuite/split_i386_2.s: New file.
8384         * testsuite/split_i386_3.s: New file.
8385         * testsuite/split_i386_4.s: New file.
8386         * testsuite/split_i386_n.s: New file.
8387         * testsuite/split_x86_64_1.s: New file.
8388         * testsuite/split_x86_64_2.s: New file.
8389         * testsuite/split_x86_64_3.s: New file.
8390         * testsuite/split_x86_64_4.s: New file.
8391         * testsuite/split_x86_64_n.s: New file.
8392         * testsuite/testfile.cc (Target_test): Update relocation_section
8393         function.
8394         * testsuite/Makefile.in: Rebuild.
8395
8396 2009-10-06  Ian Lance Taylor  <iant@google.com>
8397
8398         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8399         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8400         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8401         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8402         the address on ldo_addrs_.
8403         (Target_i386::Relocate::fix_up_ldo): New function.
8404
8405 2009-10-06   Rafael Espindola  <espindola@google.com>
8406
8407         * plugin.cc (add_input_library): New.
8408         (Plugin::load): Add add_input_library to tv.
8409         (Plugin_manager::add_input_file): Add the is_lib argument.
8410         (add_input_file): Update call to Plugin_manager::add_input_file.
8411         (add_input_library): New.
8412         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8413
8414 2009-09-30  Doug Kwan  <dougkwan@google.com>
8415
8416         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8417         symbol and call Symbol::may_need_copy_reloc to determine if
8418         a copy reloc is needed.
8419         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8420         nocopyreloc is given in command line.
8421         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8422         given in command line.
8423         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8424         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8425         of the removed Target_i386::may_need_copy_reloc.
8426         * options.h (copyreloc): New option with default value false.
8427         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8428         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8429         instead of the removed Target_powerpc::may_need_copy_reloc.
8430         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8431         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8432         instead of the removed Target_sparc::may_need_copy_reloc.
8433         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8434         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8435         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8436         instead of the removed Target_x86_64::may_need_copy_reloc.
8437
8438 2009-09-30  Ian Lance Taylor  <iant@google.com>
8439
8440         * object.h (class Object): Remove target_ field, and target,
8441         sized_target, and set_target methods.
8442         (Object::sized_target): Remove.
8443         (class Sized_relobj): Update declarations.  Remove sized_target.
8444         * object.cc (Sized_relobj::setup): Remove target parameter.
8445         Change all callers.
8446         (Input_objects::add_object): Don't do anything with the target.
8447         (make_elf_sized_object): Add punconfigured parameter.  Change all
8448         callers.  Set or test parameter target.
8449         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8450         Change all callers.
8451         * parameters.cc (Parameters::set_target): Change parameter type to
8452         be non-const.
8453         (Parameters::default_target): Remove.
8454         (set_parameters_target): Change parameter type to be non-const.
8455         (parameters_force_valid_target): New function.
8456         (parameters_clear_target): New function.
8457         * parameters.h (class Parameters): Update declarations.  Remove
8458         default_target method.  Add sized_target and clear_target
8459         methods.  Change target_ to be non-const.
8460         (set_parameters_target): Update declaration.
8461         (parameters_force_valid_target): Declare.
8462         (parameters_clear_target): Declare.
8463         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8464         as NULL if we aren't searching.
8465         (Add_symbols::run): Don't check for compatible target.
8466         * fileread.cc (Input_file::open_binary): Call
8467         parameters_force_valid_target.
8468         * gold.cc (queue_middle_tasks): Likewise.
8469         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8470         set_target on object.
8471         * dynobj.h (class Sized_dynobj): Update declarations.
8472         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8473         make_elf_object returns NULL.
8474         (Archive::include_member): Don't check whether object target is
8475         compatible.
8476         * output.cc (Output_section::add_input_section): Get target from
8477         parameters.
8478         (Output_section::relax_input_section): Likewise.
8479         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8480         parameters.
8481         (Sized_relobj::do_scan_relocs): Likewise.
8482         (Sized_relobj::relocate_sections): Likewise.
8483         * resolve.cc (Symbol_table::resolve): Likewise.
8484         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8485         parameter.  Change all callers.
8486         (Symbol_table::add_from_object): Get target from parameters.
8487         (Symbol_table::add_from_relobj): Don't check object target.
8488         (Symbol_table::add_from_dynobj): Likewise.
8489         (Symbol_table::define_special_symbol): Get target from
8490         parameters.
8491         * symtab.h (class Symbol_table): Update declaration.
8492         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8493         parameter.  Change all callers.  Clear parameter target.
8494         (Binary_test): Test target here.
8495         * testsuite/object_unittest.cc (gold_testsuite): Remove
8496         target_test_pointer parameter.  Change all callers.
8497         (Object_test): Test target here.
8498
8499 2009-09-26  Ian Lance Taylor  <iant@google.com>
8500
8501         * testsuite/initpri1.c: Don't try to use constructor priorities if
8502         compiling with gcc before 4.3.
8503
8504 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8505
8506         * testsuite/retain_symbols_file_test.sh (check_present): Change
8507         output file name to retain_symbols_file_test.stdout.
8508         (check_absent): Likewise.
8509
8510 2009-09-18  Craig Silverstein  <csilvers@google.com>
8511
8512         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8513         * options.cc: Include <cerrno> and <fstream>.
8514         (General_options::finalize): Parse -retain-symbols-file tag.
8515         * options.h: New flag.
8516         (General_options): New method should_retain_symbol, new
8517         variable symbols_to_retain.
8518         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8519         should_retain_symbol map.
8520         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8521         * testsuite/Makefile.in: Regenerate.
8522         * testsuite/retain_symbols_file_test.sh: New file.
8523
8524 2009-09-18  Nick Clifton  <nickc@redhat.com>
8525
8526         * po/es.po: Updated Spanish translation.
8527
8528 2009-09-17  Doug Kwan  <dougkwan@google.com>
8529
8530         * debug.h (DEBUG_RELAXATION): New constant.
8531         (DEBUG_ALL): Add DEBUG_RELAXATION.
8532         (debug_string_to_enum): Add relaxation debug option.
8533         * layout.cc
8534         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8535         Layout::Relaxation_debug_check::read_sections,
8536         Layout::Relaxation_debug_check::read_sections): New method definitions.
8537         (Layout::Layout): Initialize data members
8538         record_output_section_data_from_scrips_,
8539         script_output_section_data_list_ and relaxation_debug_check_.
8540         (Layout::save_segments, Layout::restore_segments,
8541         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8542         Layout::relaxation_loop_body): New method definitions.
8543         (Layout::finalize): Support relaxation.  Move section layout code to
8544         Layout::relaxation_loop_body.
8545         (Layout::set_asection_address_from_script): Move code for orphan
8546         section placement out.
8547         (Layout::place_orphan_sections_in_script): New method definition.
8548         * layout.h (Output_segment_headers, Output_file_header):
8549         New forward class declarations.
8550         (Layout::~Layout): Define.
8551         (Layout::new_output_section_data_from_script): New method definition.
8552         (Layout::place_orphan_sections_in_script): New method declaration.
8553         (Layout::Segment_states): New type declaration.
8554         (Layout::save_segments, Layout::restore_segments,
8555         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8556         Layout::relaxation_loop_body): New method declarations.
8557         (Layout::Output_section_data_list): New type declaration.
8558         (Layout::Relaxation_debug_check): New class definition.
8559         (Layout::record_output_section_data_from_script_,
8560         Layout::script_output_section_data_list_, Layout::segment_states_,
8561         Layout::relaxation_debug_check_): New data members.
8562         * output.cc: (Output_section_headers::do_size): New method definition.
8563         (Output_section_headers::Output_section_headers): Move size
8564         computation to Output_section_headers::do_size.
8565         (Output_segment_headers::do_size): New method definition.
8566         (Output_file_header::Output_file_header): Move size computation to
8567         Output_file_header::do_size and call it.
8568         (Output_file_header::do_size): New method definition.
8569         (Output_data_group::Output_data_group): Adjust call to
8570         Output_section_data.
8571         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8572         (Output_symtab_xindex::do_write): Add array bound check.
8573         (Output_section::Input_section::print_to_mapfile): Handle
8574         RELAXED_INPUT_SECTION_CODE.
8575         (Output_section::Output_section): Initialize data member checkpoint_.
8576         (Output_section::~Output_section): Delete checkpoint object pointed
8577         by checkpoint_.
8578         (Output_section::add_input_section): Always add an Input_section if
8579         relaxing.
8580         (Output_section::add_merge_input_section): Add assert.
8581         (Output_section::relax_input_section): New method definition.
8582         (Output_section::set_final_data_size): Set load address to zero for
8583         an unallocated section.
8584         (Output_section::do_address_and_file_offset_have_reset_values):
8585         New method definition.
8586         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8587         Handle relaxed input section.
8588         (Output_section::sort_attached_input_sections): Checkpoint input
8589         section list lazily.
8590         (Output_section::get_input_sections): Change type of input_sections to
8591         list of Simple_input_section pointers.  Checkpoint input section list
8592         lazily.  Also handle relaxed input sections.
8593         (Output_section::add_input_section_for_script): Take a reference to
8594         a Simple_input_section object instead of Relobj pointer and section
8595         index as parameter.  Handle relaxed input sections.
8596         (Output_section::save_states, Output_section::restore_states): New
8597         method definitions.
8598         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8599         (Output_data::is_data_size_fixed): New method definition.
8600         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8601         if it is fixed.
8602         (Output_data::address_and_file_offset_have_reset_values): New method
8603         definition.
8604         (Output_data::do_address_and_file_offset_have_reset_values): New method
8605         definition.
8606         (Output_data::set_data_size): Check that data size is not fixed.
8607         (Output_data::fix_data_size): New method definition.
8608         (Output_data::is_data_size_fixed_): New data member.
8609         (Output_section_headers::set_final_data_size): New method definition.
8610         (Output_section_headers::do_size): New method declaration.
8611         (Output_segment_headers::set_final_data_size): New method definition.
8612         (Output_segment_headers::do_size): New method declaration.
8613         (Output_file_header::set_final_data_size)::New method definition.
8614         (Output_file_header::do_size)::New method declaration.
8615         (Output_section_data::Output_section_data): Add new parameter
8616         is_data_size_fixed and use it to fix data size.
8617         (Output_data_const::Output_data_const): Adjust call to base class
8618         constructor and fix data size.
8619         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8620         base class constructor and fix data size.
8621         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8622         base class constructor and fix data size.
8623         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8624         class constructor and fix data size.
8625         (Output_data_group::set_final_data_size): New method definition.
8626         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8627         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8628         class constructor and fix data size.
8629         (Output_relaxed_input_section): New class definition.
8630         (Output_section::Simple_input_section): New class definition.
8631         (Output_section::get_input_sections): Adjust parameter list.
8632         (Output_section::add_input_section_for_script): Same.
8633         (Output_section::save_states, Output_section::restore_states,
8634         Output_section::do_address_and_file_offset_have_reset_values,
8635         (Output_section::Input_section::Input_section): Handle
8636         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8637         Output_relaxed_input_section.
8638         (Output_section::Input_section::is_input_section,
8639         Output_section::Input_section::set_output_section): Handle relaxed
8640         input section.
8641         (Output_section::Input_section::is_relaxed_input_section,
8642         Output_section::Input_section::output_section_data,
8643         Output_section::Input_section::relaxed_input_section): New method
8644         definitions.
8645         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8646         value.
8647         (Output_section::Input_section::u1_): Update comments.
8648         (Output_section::Input_section::u2_): Add new union member poris.
8649         (Output_section::Checkpoint_output_section): New classs definition.
8650         (Output_section::relax_input_section): New method declaration.
8651         (Output_section::checkpoint_): New data member.
8652         (Output_segment): Update comments.
8653         (Output_segment::Output_segment): Un-privatize copy constructor.
8654         (Output_segment::operator=): Un-privatize.
8655         * script-sections.cc (Output_section_element::Input_section_list):
8656         Change element type to Output_section::Simple_input_section.
8657         (Output_section_element_dot_assignment::set_section_addresses):
8658         Register output section data for relaxation clean up.
8659         (Output_data_exression::Output_data_expression): Adjust call to base
8660         constructor to fix data size.
8661         (Output_section_element_data::set_section_addresses): Register
8662         Output_data_expression object for relaxation clean up.
8663         (struct Input_section_info): Replace Relobj pointer and section index
8664         pair with Output_section::Simple_input_section and Convert struct to a
8665         class.
8666         (Input_section_sorter::operator()): Adjust access to
8667         Input_section_info data member to use accessors.
8668         (Output_section_element_input::set_section_addresses): Use layout
8669         parameter.  Adjust code to use Output_section::Simple_input_section
8670         and Input_secction_info classes.  Register filler for relaxation
8671         clean up.
8672         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8673         and section index pair with Output_section::Simple_input_section
8674         class.  Adjust code accordingly.
8675         (Phdrs_element::release_segment): New method definition.
8676         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8677         segment list.
8678         (Script_sections::release_segments): New method definition.
8679         * gold/script-sections.h (Script_sections::release_segments): New
8680         method declaration.
8681         * gold/target.h (Target::may_relax, Target::relax,
8682         Target::do_may_relax, Target::do_relax): New method definitions.
8683
8684 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8685
8686         * arm.cc (has_signed_unsigned_overflow): New function.
8687         (Arm_relocate_functions::abs8): New function.
8688         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8689         (Target_arm::Scan::global): Likewise.
8690         (Target_arm::relocate::relocate): Likewise.
8691         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8692         Likewise.
8693
8694 2009-09-16  Cary Coutant  <ccoutant@google.com>
8695
8696         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8697         * testsuite/Makefile.in: Regenerate.
8698
8699 2009-09-11  Nick Clifton  <nickc@redhat.com>
8700
8701         * po/gold.pot: Updated by the Translation project.
8702
8703 2009-09-08  Cary Coutant  <ccoutant@google.com>
8704
8705         * output.cc (Output_file::open): Add execute permission to empty file.
8706         * testsuite/Makefile.am (permission_test): New test.
8707         * testsuite/Makefile.in: Regenerate.
8708
8709 2009-09-02  Ian Lance Taylor  <iant@google.com>
8710
8711         * output.cc (Output_file::resize): Call map_no_anonymous rather
8712         than map.
8713
8714 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8715
8716         * gold.cc: Include "incremental.h".
8717         (queue_initial_tasks): Call Incremental_checker methods.
8718         * incremental.cc: Include "output.h".
8719         (Incremental_checker::can_incrementally_link_output_file): New
8720         method.
8721         * incremental.h (Incremental_checker): New class.
8722
8723         * output.cc (Output_file::open_for_modification): New method.
8724         (Output_file::map_anonymous): Changed return type to bool.  Record
8725         map in base_ field.
8726         (Output_file::map_no_anonymous): New method, broken out of map.
8727         (Output_file::map): Use map_no_anonymous and map_anonymous.
8728         * output.h (class Output_file): Update declarations.
8729
8730 2009-08-24  Cary Coutant  <ccoutant@google.com>
8731
8732         * options.h (Command_line::Pre_options): New class.
8733         (Command_line::pre_options): New member.
8734         * options.cc (gold::options::ready_to_register): New variable.
8735         (One_option::register_option): Do nothing if not registering options.
8736         Assert if same short option registered twice.
8737         (General_options::General_options): Turn off option registration when
8738         done constructing.
8739         (Command_line::Pre_options::Pre_options): New constructor.
8740
8741 2009-08-24  Cary Coutant  <ccoutant@google.com>
8742
8743         * options.h (General_options::no_keep_memory): Remove incorrect
8744         short option.
8745
8746 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8747
8748         * Makefile.am (am__skiplex, am__skipyacc): New.
8749         * Makefile.in: Regenerate.
8750
8751 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8752
8753         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8754         (INCLUDES): ... this.
8755         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8756         (AM_CPPFLAGS): Renamed from ...
8757         (INCLUDE): ... this.
8758         * Makefile.in, testsuite/Makefile.in: Regenerate.
8759
8760         * Makefile.in: Regenerate.
8761         * aclocal.m4: Likewise.
8762         * config.in: Likewise.
8763         * configure: Likewise.
8764         * testsuite/Makefile.in: Likewise.
8765
8766         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8767         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8768         * Makefile.in: Regenerate.
8769         * testsuite/Makefile.in: Regenerate.
8770
8771 2009-08-19  Cary Coutant  <ccoutant@google.com>
8772
8773         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8774         symbols in shared libraries overridden by hidden or internal symbols
8775         in the main program.
8776
8777 2009-08-19  Chris Demetriou  <cgd@google.com>
8778
8779         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8780         checking source file names in error messages.
8781
8782 2009-08-18  Doug Kwan  <dougkwan@google.com>
8783
8784         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8785         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8786         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8787         an elfcpp::Ehdr as parameter.
8788         * object.cc (Object::set_target): Remove the version that looks up
8789         a target and sets it.
8790         (Sized_relobj::setup): Take a Target object instead of
8791         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8792         (make_elf_sized_object): Find target and ask target to
8793         make an ELF object.
8794         * object.h: (Object::set_target): Remove the version that looks up
8795         a target and sets it.
8796         (Sized_relobj::setup): Take a Target object instead of
8797         an elfcpp:Ehdr as parameter.
8798         * target.cc: Include dynobj.h.
8799         (Target::do_make_elf_object_implementation): New.
8800         (Target::do_make_elf_object): New.
8801         * target.h (Target::make_elf_object): New template declaration.
8802         (Target::do_make_elf_object): New method declarations.
8803         (Target::do_make_elf_object_implementation): New template declaration.
8804
8805 2009-08-14  Ian Lance Taylor  <iant@google.com>
8806
8807         * gold.h (FUNCTION_NAME): Define.
8808         (gold_unreachable): Use FUNCTION_NAME.
8809
8810 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8811
8812         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8813         symbol in the --keep-unique list is not found.
8814
8815 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8816
8817         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8818         been maked as --keep-unique.
8819         (Icf::unfold_section): New function.
8820         * icf.h (Icf::unfold_section): New function.
8821         * options.h (General_options::keep_unique): New option.
8822         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8823         * testsuite/Makefile.in: Regenerate.
8824         * testsuite/icf_keep_unique_test.sh: New file.
8825         * testsuite/icf_keep_unique_test.cc: New file.
8826
8827 2009-08-12  Cary Coutant  <ccoutant@google.com>
8828
8829         PR 10471
8830         * resolve.cc (Symbol_table::resolve): Check for references from
8831         dynamic objects to hidden and internal symbols.
8832         * testsuite/Makefile.am (hidden_test.sh): New test.
8833         * testsuite/Makefile.in: Regenerate.
8834         * testsuite/hidden_test.sh: New script.
8835         * testsuite/hidden_test_1.c: New test source.
8836         * testsuite/hidden_test_main.c: New test source.
8837
8838 2009-08-11  Doug Kwan  <dougkwan@google.com>
8839
8840         * arm.cc: Update comments.
8841         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8842         segment to locate the .ARM.exidx section if present.
8843
8844 2009-08-09  Doug Kwan  <dougkwan@google.com>
8845
8846         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8847         patch.
8848
8849 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8850         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8851         compiler warnings.
8852
8853 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8854
8855         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8856         valid tls_segment only for non-debug-section relocations.
8857         * testsuite/Makefile.am: Add gc_tls_test.
8858         * testsuite/Makefile.in: Regenerate.
8859         * testsuite/gc_tls_test.cc: New file.
8860         * testsuite/gc_tls_test.sh: New file.
8861
8862 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8863
8864         * icf.cc: New file.
8865         * icf.h: New file.
8866         * Makefile.am (CCFILES): Add icf.cc.
8867         (HFILES): Add icf.h
8868         * Makefile.in: Regenerate.
8869         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8870         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8871         section, symbol and addend information for the relocs.
8872         * gold.cc (queue_middle_tasks): Call identical code folding.
8873         * gold.h: Add defines for multimap.
8874         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8875         to the call of finalize_local_symbols.
8876         * main.cc (main): Create object of class Icf.
8877         * object.cc (Sized_relobj::do_layout): Allow this function to be
8878         called twice during icf.
8879         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8880         to sections marked as identical by icf.
8881         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8882         when available.
8883         (Sized_relobj::do_section_entsize): New function.
8884         * object.h (Object::section_entsize): New function.
8885         (Object::do_section_entsize): New pure virtual function.
8886         (Relobj::finalize_local_symbols): Add new parameter.
8887         (Relobj::do_section_entsize): New function.
8888         * options.h (General_options::icf): New option.
8889         (General_options::icf_iterations): New option.
8890         (General_options::print_icf_sections): New option.
8891         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8892         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8893         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8894         icf.
8895         * symtab.cc (Symbol_table::is_section_folded): New function.
8896         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8897         to sections marked as identical by icf.
8898         * symtab.h (Symbol_table::set_icf): New function.
8899         (Symbol_table::icf): New function.
8900         (Symbol_table::is_section_folded): New function.
8901         (Symbol_table::icf_): New data member.
8902         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8903         * testsuite/Makefile.am: Add commands to build icf_test.
8904         * testsuite/Makefile.in: Regenerate.
8905         * testsuite/icf_test.sh: New file.
8906         * testsuite/icf_test.cc: New file.
8907
8908 2009-07-24  Chris Demetriou  <cgd@google.com>
8909
8910         * layout.cc (is_compressible_debug_section): Fix incorrect
8911         comment about compressed section names.
8912
8913 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8914
8915         PR 10419
8916         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8917
8918 2009-07-16  Ian Lance Taylor  <iant@google.com>
8919
8920         PR 10400
8921         * layout.h: #include <map>.
8922         (class Kept_section): Change from struct to class.  Add accessors
8923         and setters.  Add section size to Comdat_group mapping.  Change
8924         Comdat_group to std::map.  Add is_comdat_ field.  Add
8925         linkonce_size field in union.
8926         (class Layout): Update declaration of find_or_add_kept_section.
8927         Don't declare find_kept_object.
8928         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8929         parameter.  Add object, shndx, is_comdat, and is_group_name
8930         parameters.  Change all callers.  Adjust for new Kept_section.
8931         (Layout::find_kept_object): Remove.
8932         * object.cc (Sized_relobj::include_section_group): Update use of
8933         Kept_section.  Rename secnum to shndx.  Only record
8934         Kept_comdat_section if sections are the same size.
8935         (Sized_relobj::include_linkonce_section): Update use of
8936         Kept_section.  Only record Kept_comdat_section if sections are the
8937         same size.  Set size of linkonce section.
8938         (Sized_relobj::map_to_kept_section): Update call to
8939         get_kept_comdat_section.
8940         * object.h (class Sized_relobj): Rename fields in
8941         Kept_comdat_section to drop trailing underscores; change object
8942         field to Relobj*.  Change Kept_comdat_section_table to store
8943         struct rather than pointer.
8944         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8945         Add kept_object and kept_shndx parameters.  Change all callers.
8946         (Sized_relobj::get_kept_comdat_section): Change return type to
8947         bool.  Add kept_object and kept_shndx parameters.  Change all
8948         callers.
8949         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8950         Layout::find_or_add_kept_section.
8951
8952 2009-07-09  Ian Lance Taylor  <iant@google.com>
8953
8954         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8955         Reserve space in the hash table.
8956
8957 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8958
8959         * fileread.cc (File_read::get_mtime): New method.
8960         * fileread.h (Timespec): New structure.
8961         (File_read::get_mtime): New method.
8962         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8963         Renamed from timestamp_nsec.
8964         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8965         Elf_Xword.
8966         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8967         timestamp_nsec.
8968         (Incremental_inputs::report_archive): Save mtime; style fix.
8969         (Incremental_inputs::report_obejct): Save mtime; style fix.
8970         (Incremental_inputs::report_script): Save mtime; style fix.
8971         (Incremental_inputs::finalize_inputs): Style fix.
8972         (Incremental_inputs::finalize): Style fix.
8973         (Incremental_inputs::create_input_section_data): Store inputs
8974         mtime.
8975         * incremental.h (Incremental_inputs::report_script): Add mtime
8976         argument.
8977         (Incremental_inputs::Input_info::Input_info): Intialize only one
8978         union member.
8979         (Incremental_inputs::Input_info::archive): Move to nameless
8980         union.
8981         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8982         (Incremental_inputs::Input_info::script): Move to nameless union.
8983         (Incremental_inputs::mtime): New field.
8984         * script.cc (read_input_script): Pass file mtime to
8985         Incremental_input.
8986         * script.h (Script_info::inputs): Style fix.
8987
8988 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8989
8990         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8991         instead of 32.
8992
8993 2009-06-24  Ian Lance Taylor  <iant@google.com>
8994
8995         PR 10156
8996         * layout.cc (Layout::choose_output_section): If we find an
8997         existing section, update the flags.
8998         (Layout::create_notes): New function, broken out of
8999         Layout::finalize.
9000         (Layout::finalize): Don't create note sections.
9001         (Layout::create_note): Don't crash if linker script discards
9002         section.
9003         (Layout::create_gold_note): Likewise.
9004         (Layout::create_build_id): Likewise.  Don't set
9005         after_input_sections on the section.
9006         (Layout::create_executable_stack_info): Remove target parameter.
9007         Change caller.
9008         * layout.h (class Layout): Declare create_notes.  Update
9009         declaration of create_executable_stack_info.
9010         * gold.cc (queue_middle_tasks): Call create_notes.
9011         * output.cc (Output_section::update_flags_for_input_section): Move
9012         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9013         invalid.
9014         * output.h (Output_data::mark_address_invalid): New function.
9015         (class Output_section): Only declare, not define,
9016         update_flags_for_input_section.  Remove set_flags.
9017
9018 2009-06-24  Ian Lance Taylor  <iant@google.com>
9019
9020         * script-sections.cc (Output_section_definition::
9021         set_section_addresses): Rename shadowing local load_address to
9022         laddr.
9023
9024 2009-06-24  Ian Lance Taylor  <iant@google.com>
9025
9026         PR 10244
9027         * reloc.cc (relocate_sections): Skip empty relocation sections.
9028
9029 2009-06-23  Ian Lance Taylor  <iant@google.com>
9030
9031         PR 10156
9032         * layout.cc (Layout::create_note): Use choose_output_section
9033         rather than make_output_section.
9034
9035 2009-06-23  Ian Lance Taylor  <iant@google.com>
9036
9037         PR 10237
9038         * options.cc (General_options::parse_V): Set printed_version_.
9039         (General_options::General_options): Initialize printed_version_.
9040         * options.h (class General_options): Add printed_version_ field.
9041         * gold.cc (queue_initial_tasks): If there are no input files,
9042         don't give a fatal error if we printed the version information.
9043         (queue_middle_tasks): If using -r with a shared object, give a
9044         fatal error rather than an ordinary error.
9045
9046 2009-06-23  Ian Lance Taylor  <iant@google.com>
9047
9048         PR 10219
9049         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9050         (Layout::make_output_section): Set have_stabstr_section_ if we see
9051         a .stab*str section.
9052         (Layout::finalize): Call link_stabs_sections.
9053         (Layout::link_stabs_sections): New file.
9054         * layout.h (class Layout): Add have_stabstr_section_ field.
9055         Declare link_stabs_sections.
9056
9057 2009-06-23  Doug Kwan  <dougkwan@google.com>
9058
9059         * Makefile.am (libgold_a_LIBADD): New.
9060         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9061         * Makefile.in: Regenerate.
9062         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9063         * configure: Regenerate.
9064         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9065         * fileread.cc: Include sys/state.h
9066         * gold.h: Declare memmem and strndup if found missing.
9067         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9068
9069 2009-06-23  Ian Lance Taylor  <iant@google.com>
9070
9071         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9072         * configure: Rebuild.
9073
9074 2009-06-23  Ian Lance Taylor  <iant@google.com>
9075
9076         PR 10147
9077         * object.cc (Object::section_contents): Don't try to get a view if
9078         the section has length zero.
9079         (Object::handle_gnu_warning_section): If the section is empty, use
9080         the name of the section as the warning.
9081
9082 2009-06-23  Ian Lance Taylor  <iant@google.com>
9083
9084         PR 10133
9085         * stringpool.h (class Stringpool_template): Add optimize_ field.
9086         (Stringpool_template::set_optimize): New function.
9087         * stringpool.cc (Stringpool_template::Stringpool_template):
9088         Initialize optimize_ field.
9089         (Stringpool_template::set_string_offsets): Test local optimize
9090         fild rather than parameter.
9091         * layout.cc (Layout::Layout): Call set_optimize on the section
9092         name stringpool.
9093
9094 2009-06-22  Ian Lance Taylor  <iant@google.com>
9095
9096         PR 10030
9097         * yyscript.y: Parse TARGET.
9098         * script.cc (script_set_target): New function.
9099         * script-c.h (script_set_target): Declare.
9100         * options.cc (General_options::string_to_object_format): Rename
9101         from string_to_object_format in anonymous namespace.  Change
9102         callers.
9103         * options.h (class General_options): Declare
9104         string_to_object_format.
9105
9106 2009-06-22  Ian Lance Taylor  <iant@google.com>
9107
9108         * script-sections.cc (Script_sections::create_segments): Don't put
9109         program headers in a PT_LOAD segment if -n or -N.
9110
9111 2009-06-22  Ian Lance Taylor  <iant@google.com>
9112
9113         PR 10141
9114         * options.h (class General_options): Add -z lazy and -z now.  Sort
9115         -z options into alphabetical order.
9116         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9117
9118 2009-06-21  Ian Lance Taylor  <iant@google.com>
9119
9120         * layout.cc (Layout::make_output_section): Call
9121         Target::new_output_section.
9122         (Layout::attach_allocated_section_to_segment): Put large section
9123         sections in a separate load segment with the large segment flag
9124         set.
9125         (Layout::segment_precedes): Sort large data segments after other
9126         load segments.
9127         (align_file_offset): New static function.
9128         (Layout::set_segment_offsets): Use align_file_offset.
9129         * output.h (class Output_section): Add is_small_section_ and
9130         is_large_section_ fields.
9131         (Output_section::is_small_section): New function.
9132         (Output_section::set_is_small_section):  New function.
9133         (Output_section::is_large_section): New function.
9134         (Output_section::set_is_large_section): New function.
9135         (Output_section::is_large_data_section): New function.
9136         (class Output_segment): Add is_large_data_segment_ field.
9137         (Output_segment::is_large_data_segment): New function.
9138         (Output_segment::set_is_large_data_segment): New function.
9139         * output.cc (Output_section::Output_section): Initialize new
9140         fields.
9141         (Output_segment::Output_segment): Likewise.
9142         (Output_segment::add_output_section): Add assertion that large
9143         data sections always go in large data segments.  Force small data
9144         sections to the end of the list of data sections.  Force small BSS
9145         sections to the start of the list of BSS sections.  For large BSS
9146         sections to the end of the list of BSS sections.
9147         * symtab.h (class Symbol): Declare is_common_shndx.
9148         (Symbol::is_defined): Check Symbol::is_common_shndx.
9149         (Symbol::is_common): Likewise.
9150         (class Symbol_table): Define enum Commons_section_type.  Update
9151         declarations.  Add small_commons_ and large_commons_ fields.
9152         * symtab.cc (Symbol::is_common_shndx): New function.
9153         (Symbol_table::Symbol_table): Initialize new fields.
9154         (Symbol_table::add_from_object): Put small and large common
9155         symbols in the right list.
9156         (Symbol_table::sized_finalized_symbol): Check
9157         Symbol::is_common_shndx.
9158         (Symbol_table::sized_write_globals): Likewise.
9159         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9160         common symbol lists.  Don't call do_allocate_commons_list if the
9161         list is empty.
9162         (Symbol_table::do_allocate_commons_list): Remove is_tls
9163         parameter.  Add comons_section_type parameter.  Change all
9164         callers.  Handle small and large common symbols.
9165         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9166         Symbol::is_common_shndx.
9167         * resolve.cc (symbol_to_bits): Likewise.
9168         * target.h (Target::small_common_shndx): New function.
9169         (Target::small_common_section_flags): New function.
9170         (Target::large_common_shndx): New function.
9171         (Target::large_common_section_flags): New function.
9172         (Target::new_output_section): New function.
9173         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9174         small_common_section_flags, and large_common_section_flags
9175         fields.
9176         (Target::do_new_output_section): New virtual function.
9177         * arm.cc (Target_arm::arm_info): Initialize new fields.
9178         * i386.cc (Target_i386::i386_info): Likewise.
9179         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9180         Likewise.
9181         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9182         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9183         (Target_x86_64::do_new_output_section): New function.
9184         * configure.ac: Define conditional MCMODEL_MEDIUM.
9185         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9186         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9187         (large_LDFLAGS): Define.
9188         * testsuite/large.c: New file.
9189         * testsuite/testfile.cc (Target_test::test_target_info):
9190         Initialize new fields.
9191         * configure, testsuite/Makefile.in: Rebuild.
9192
9193 2009-06-05  Doug Kwan  <dougkwan@google.com>
9194
9195         * Makefile.am (CCFILES): Add target.cc.
9196         * Makefile.in: Regenerate.
9197         * i386.cc (class Target_i386): Define new virtual method to
9198         override do_is_local_label_name in parent.
9199         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9200         local symbols if --discard-locals or -X is given.
9201         * options.h (class General_options): Declare new options
9202         '--discard-locals' and '-X' for discarding locals.
9203         * target.h (class Target): Define new methods is_local_label_name.
9204         Declare new virtual method do_is_local_label_name.
9205         * target.cc: New file.
9206         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9207         (check_SCRIPTS): Add discard_locals_test.sh.
9208         (check_DATA): Add discard_local_tests.syms.
9209         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9210         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9211         * testsuite/Makefile.in: Regenerate.
9212         * testsuite/discard_locals_test.c: New file.
9213         * testsuite/discard_locals_test.sh: Same.
9214
9215 2009-06-05  Doug Kwan  <dougkwan@google.com>
9216
9217         * object.cc (Sized_relobj::Sized_relobj): Initialize
9218         discarded_eh_frame_shndx_ to -1U.
9219         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9220         section.
9221         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9222         a discarded .eh_frame section.
9223         (Sized_relobj::do_finalize_local_symbols): Ditto.
9224         * object.h (class Sized_relobj): Declare new member
9225         discarded_eh_frame_shndx_.
9226         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9227         (local_labels_test.o, local_labels_test): New rules.
9228         * testsuite/Makefile.in: Regenerate.
9229
9230 2009-06-04  Doug Kwan  <dougkwan@google.com>
9231
9232         * layout.cc (Layout::section_name_mapping): Add mapping for
9233         special ARM sections.
9234
9235 2009-06-03  Doug Kwan  <dougkwan@google.com>
9236
9237         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9238         (utils::has_overflow): Same.
9239
9240 2009-06-03  Ian Lance Taylor  <iant@google.com>
9241
9242         * layout.cc (Layout::section_name_mapping): New array, replacing
9243         Layout::linkonce_mapping.
9244         (Layout::section_name_mapping_count): New variable, replacing
9245         Layout::linkonce_mapping_count.
9246         (Layout::linkonce_output_name): Remove.
9247         (Layout::output_section_name): Rewrite.
9248         * layout.h (class Layout): Rename Linkonce_mapping to
9249         Section_name_mapping, linkonce_mapping to section_name_mapping,
9250         linkonce_mapping_count to section_name_mapping_count.  Don't
9251         declare linkonce_output_name.
9252
9253 2009-06-03  Doug Kwan  <dougkwan@google.com>
9254
9255         * gold/arm.cc (namespace utils): New.
9256         (Target_arm::reloc_is_non_pic): Define new method.
9257         (class Arm_relocate_functions): New.
9258         (Target_arm::Relocate::relocate): Handle relocation types used by
9259         Android.
9260
9261 2009-06-03  Ian Lance Taylor  <iant@google.com>
9262
9263         * arm.cc (Target_arm::scan::global): Use || instead of |.
9264
9265 2009-06-02  Doug Kwan  <dougkwan@google.com>
9266
9267         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9268         issued_non_pic_error_.
9269         (class Target_arm::Scan): Declare new method check_non_pic.
9270         Define new method symbol_needs_plt_entry.
9271         Declare new data member issued_non_pic_error_.
9272         (class Target_arm::Relocate): Declare new method
9273         should_apply_static_reloc.
9274         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9275         (Target_arm::Scan::check_non_pic): Define new method.
9276         (Target_arm::Scan::local): Handle a small subset of reloc types used
9277         by Android.
9278         (Target_arm::Scan::local): Same.
9279         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9280
9281 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9282
9283         * incremental.cc (Incremental_inputs::report_command_line): Filter
9284         out --incremental-* options.
9285
9286 2009-05-29  Doug Kwan  <dougkwan@google.com>
9287
9288         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9289         template class.
9290         (class Target_arm): Update comment.
9291         (Target_arm::Target_arm): Initialize new data members GOT_,
9292         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9293         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9294         and Target_arm::rel_dyn_section.
9295         Declare new_enum Target_arm::Got_type.
9296         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9297         and DYNBSS_.
9298         Update commments for member do_dynsym_value.
9299         (Target_arm::got_size, Target_arm::plt_section,
9300         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9301         new methods inside class defintion.
9302         (Target_arm::got_section): Define new method.
9303         (Target_arm::rel_dyn_section): Same.
9304         (Output_data_plt_arm): New template class.
9305         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9306         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9307         (Output_data_plt_arm::add_entry): Same.
9308         (Output_data_plt_arm::first_plt_entry): Define new
9309         static data member for PLT instruction template.
9310         (Output_data_plt_arm::plt_entry): Same.
9311         (Output_data_plt_arm::do_write): Define new method.
9312         (Target_arm::make_plt_entry): Same.
9313         (Target_arm::do_finalize_sections): Same.
9314         (Target_arm::do_dynsym_value): Same.
9315
9316 2009-05-28  Doug Kwan  <dougkwan@google.com>
9317
9318         * Makefile.am (TARGETSOURCES): Add arm.cc.
9319         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9320         * Makefile.in: Regenerate.
9321         * arm.cc: New file.
9322         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9323
9324 2009-05-26  Doug Kwan  <dougkwan@google.com>
9325
9326         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9327         (General_options::check_excluded_libs): Strip off directories in
9328         archive name before matching like GNU ld does.
9329         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9330         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9331         (exclude_libs_test_LDFLAGS): Add linker option
9332         -Wl,--exclude-libs,libexclude_libs_test_3
9333         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9334         an explicit archive without using -l.
9335         (alt/libexclude_libs_test_3.a): New make rule.
9336         * testsuite/Makefile.in: Regenerate.
9337         * testsuite/exclude_libs_test.c : Declare lib3_default().
9338         (main): Call it.
9339         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9340         * exclude_libs_test_3.c: New file.
9341
9342 2009-05-26  Nick Clifton  <nickc@redhat.com>
9343
9344         * po/id.po: New Indonesian translation.
9345         * po/gold.pot: Updated template file.
9346
9347 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9348
9349         * testsuite/Makefile.am: Add -ffunction-sections to compile
9350         gc_comdat_test files.  Add -Wl,--gc-sections to build
9351         gc_comdat_test.
9352         * testsuite/Makefile.in: Regenerate.
9353         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9354
9355 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9356
9357         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9358         kept comdat section was garbage collected.
9359         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9360         * testsuite/Makefile.in: Regenerate.
9361         * testsuite/gc_comdat_test.sh: New file.
9362         * testsuite/gc_comdat_test_1.cc: New file.
9363         * testsuite/gc_comdat_test_2.cc: New file.
9364
9365 2009-05-19  Doug Kwan  <dougkwan@google.com>
9366
9367         * archive.cc (Archive::Archive): Move constructor from archive.h
9368         to here.  Initialize no_export_.
9369         (Archive::get_elf_object_for_member): Set no_export flag of object.
9370         * archive.h (Archive::Archive): Move constructor body to
9371         archive.cc.
9372         (Archive::no_export): New method.
9373         (Archive::no_export_): New field.
9374         * object.h (Object::Object): Initialize no_export_ to false.
9375         (Object::no_export, Object::set_no_export): New methods.
9376         (Object::no_export_): New field.
9377         * options.cc (General_options::parse_exclude_libs): New method.
9378         (General_options::check_excluded_libs) Same.
9379         * options.h (exclude_libs): New option.
9380         (General_options::check_excluded_libs): New method declaration.
9381         (General_options::excluded_libs_): New field.
9382         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9383         default or protected visibility if an object has no-export flag set.
9384         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9385         (check_SCRIPTS): Add exclude_libs_test.sh.
9386         (check_DATA): Add exclude_libs_test.syms.
9387         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9388         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9389         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9390         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9391         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9392         libexclude_libs_test_2.a): New rules.
9393         * testsuite/Makefile.in: Regenerate.
9394         * testsuite/exclude_libs_test.c: New file.
9395         * testsuite/exclude_libs_test.sh: Ditto.
9396         * testsuite/exclude_libs_test_1.c: Ditto.
9397         * testsuite/exclude_libs_test_2.c: Ditto.
9398
9399 2009-05-15  Ian Lance Taylor  <iant@google.com>
9400
9401         * configure.ac: Check for declarations for cases where libiberty.h
9402         checks HAVE_DECL_xxx.
9403         * configure, config.in: Rebuild.
9404
9405 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9406
9407         * gold.h (Incremental_argument_list): Remove (invalid) forward
9408         declaration.
9409         * incremental.cc (Incremental_inputs::report_achive): New method.
9410         (Incremental_inputs::report_object): New method.
9411         (Incremental_inputs::report_script): New method.
9412         (Incremental_inputs::finalize_inputs): New method.
9413         (Incremental_inputs::finalize): Call finalize_inputs().
9414         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9415         Create inputs entries.
9416         * incremental.h (Incremental_input_type): New enum.
9417         (Incremental_inputs::Incremental_input): Initialize new fields.
9418         (Incremental_inputs::report_inputs): New method.
9419         (Incremental_inputs::report_achive): New method.
9420         (Incremental_inputs::report_object): New method.
9421         (Incremental_inputs::report_script): New method.
9422         (Incremental_inputs::finalize_inputs): New method.
9423         (Incremental_inputs::Input_info): New struct.
9424         (Incremental_inputs::Input_info_map): New typedef.
9425         (Incremental_inputs::lock_): New field.
9426         (Incremental_inputs::Inputs_): New field.
9427         (Incremental_inputs::Inputs_map): New field.
9428         * main.cc (main): Call Incremental_input::report_inputs.
9429         * options.h (Input_argument_list): Typedef moved from
9430         Input_arguments.
9431         (Input_file_group::Files): Remove, use ::Input_argument_list.
9432         (Input_file_group::Input_argument_list): Remove, use
9433         ::Input_argument_list.
9434         * plugin.cc (Plugin_manager::add_input_file): Add error in
9435         incremental build.
9436         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9437         functions.
9438         * script.cc (read_input_script): Call
9439         Incremental_input::report_script.
9440         * script.h (Script_info): New class.
9441
9442 2009-04-27  Ian Lance Taylor  <iant@google.com>
9443
9444         * x86_64.cc (do_adjust_output_section): Set entsize to
9445         plt_entry_size.
9446
9447 2009-04-23  Elliott Hughes  <enh@google.com>
9448
9449         * output.cc (Output_file::close): After short writes, continue
9450         writing from the correct offset in the buffer being written.
9451
9452 2009-04-23  Chris Demetriou  <cgd@google.com>
9453
9454         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9455         * configure: Regenerate.
9456         * config.in: Regenerate.
9457         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9458         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9459
9460 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9461
9462         * incremental.cc (Incremental_inputs_header_data): Renamed from
9463         Incremental_input_header_data.
9464         (Incremental_inputs_header_data::data_size): New field.
9465         (Incremental_inputs_header_data::put_input_file_count): Renamed
9466         from input_file_count.
9467         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9468         from command_line_offset.
9469         (Incremental_inputs_header_data::put_reserved): Renamed from
9470         put_reserved.
9471         (Incremental_inputs_entry_data): Renamed from
9472         Incremental_input_entry_data.
9473         (Incremental_inputs_entry_data::data_size): New field.
9474         (Incremental_inputs::report_command_line): New method.
9475         (Incremental_inputs::finalize): New method.
9476         (Incremental_inputs::create_incremental_inputs_data): New method.
9477         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9478         * incremental.h: New file.
9479         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9480        (Layout::finalize): Create incremental inputs section in
9481         incremental builds.
9482        (Layout::create_incremental_info_sections): New method.
9483         * layout.h (Layout::incremental_inputs): New method.
9484        (Layout::create_incremental_info_sections): New method.
9485        (Layout::incremental_inputs_): New field.
9486         * main.cc (main): Notify Incremental_input of the command line.
9487
9488 2009-04-01  Ian Lance Taylor  <iant@google.com>
9489             Mikolaj Zalewski  <mikolajz@google.com>
9490
9491         * gold.h (reserve_unordered_map): Define, three versions, one for
9492         each version of Unordered_map.
9493         * layout.cc (Layout::Layout): Remove options parameter.  Add
9494         number_of_input_files parameter.  Don't initialize options_.
9495         Initialize number_of_input_files_ and resized_signatures_.  Move
9496         sections_are_attached_.
9497         (Layout::layout_group): Reserve space for group_signatures_.
9498         (Layout::find_or_add_kept_section): Change name parameter to be a
9499         reference.  Resize signatures_ map when it gets large enough.
9500         (Layout::layout_eh_frame): Use parameters->options() instead of
9501         this->options_.
9502         (Layout::make_output_section): Likewise.
9503         (Layout::attach_allocated_section_to_segment): Likewise.
9504         (Layout::finalize, Layout::create_executable_stack): Likewise.
9505         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9506         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9507         * layout.h (class Layout): Update declarations.  Remove options_
9508         field.  Add number_of_input_files_ and resized_signatures_
9509         fields.  Move sections_are_attached_ field.
9510         * main.cc (main): Pass number of input files to Layout
9511         constructor.  Don't pass options.
9512
9513 2009-03-30  Ian Lance Taylor  <iant@google.com>
9514
9515         * ffsll.c (ffsll): Correct implementation.
9516
9517 2009-03-27  Ian Lance Taylor  <iant@google.com>
9518
9519         * ffsll.c: New file.
9520         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9521         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9522         * ftruncate.c (ftruncate): Declare before definition.
9523         * mremap.c (mremap): Likewise.
9524         * pread.c (pread): Likewise.
9525         * configure, Makefile.in, config.in: Rebuild.
9526
9527         * mremap.c: New file.
9528         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9529         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9530         (mremap): Declare if HAVE_MREMAP is not defined.
9531         * configure, Makefile.in, config.in: Rebuild.
9532
9533 2009-03-27  Cary Coutant  <ccoutant@google.com>
9534
9535         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9536         position independent.
9537         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9538         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9539
9540 2009-03-24  Cary Coutant  <ccoutant@google.com>
9541
9542         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9543         an executable.
9544         (needs_dynamic_reloc): Likewise.
9545
9546 2009-03-24  Ian Lance Taylor  <iant@google.com>
9547
9548         * yyscript.y (file_cmd): Recognize EXTERN.
9549         (extern_name_list, extern_name_list_body): New nonterminals.
9550         * script.cc (script_add_extern): Define.
9551         * script-c.h (script_add_extern): Declare.
9552
9553 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9554
9555         * object.cc (is_elf_object): Define.
9556         * object.h (is_elf_object): Declare.
9557         * archive.cc (Archive::get_elf_object_for_member): Call
9558         is_elf_object.
9559         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9560
9561 2009-03-24  Elliott Hughes  <enh@google.com>
9562
9563         * output.cc (Output_file::map_anonymous): Define.
9564         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9565         try an anonymous one.  Report the size if the mmap fails.
9566         * output.h (class Output_file): Declare map_anonymous.
9567
9568 2009-03-24  Ian Lance Taylor  <iant@google.com>
9569
9570         * target-select.cc (instantiate_target): Don't acquire the lock if
9571         the instantiated_target_ field has already been set.
9572
9573 2009-03-23  Ian Lance Taylor  <iant@google.com>
9574
9575         * gold-threads.h (class Initialize_lock): Define.
9576         * gold-threads.cc (class Initialize_lock_once): Define.
9577         (initialize_lock_control): New static variable.
9578         (initialize_lock_pointer): New static variable.
9579         (initialize_lock_once): New static function.
9580         (Initialize_lock::Initialize_lock): Define.
9581         (Initialize_lock::initialize): Define.
9582         * target-select.h: Include "gold-threads.h".
9583         (class Target_selector): Add lock_ and initialize_lock_ fields.
9584         Don't define instantiate_target, just declare it.
9585         * target-select.cc (Target_selector::Target_selector): Initialize
9586         new fields.
9587         (Target_selector::instantiate_target): Define.
9588         * descriptors.h: Include "gold-threads.h".
9589         (class Descriptors): Add initialize_lock_ field.
9590         * descriptors.cc (Descriptors::Descriptors): Initialize new
9591         field.
9592         (Descriptors::open): Use initialize_lock_ field
9593         * errors.h (class Errors): Add initialize_lock_ field.
9594         * errors.cc (Errors::Errors): Initialize new field.
9595         (Errors::initialize_lock): Use initialize_lock_ field.
9596         * powerpc.cc (class Target_selector_powerpc): Remove
9597         instantiated_target_ field.  In do_recognize call
9598         instantiate_target rather than do_instantiate_target.  In
9599         do_instantiate_target just allocate a new target.
9600         * sparc.cc (class Target_selector_sparc): Likewise.
9601
9602         * freebsd.h: New file.
9603         * i386.cc: Include "freebsd.h".
9604         (Target_i386): Derive from Target_freebsd rather than
9605         Sized_target.
9606         (Target_selector_i386): Derive from Target_selector_freebsd rather
9607         than Target_selector.
9608         * x86_64.cc: Include "freebsd.h".
9609         (Target_x86_64): Derive from Target_freebsd rather than
9610         Sized_target.
9611         (Target_selector_x86_64): Derive from Target_selector_freebsd
9612         rather than Target_selector.
9613         * target.h (class Target): Add adjust_elf_header and
9614         do_adjust_elf_header.
9615         * output.cc (Output_file_header:: do_sized_write): Call target
9616         adjust_elf_header routine.
9617         * configure.tgt: Set targ_osabi.
9618         * configure.ac: Define GOLD_DEFAULT_OSABI.
9619         * parameters.cc (Parameters::default_target): Pass
9620         GOLD_DEFAULT_OSABI to select_target.
9621         * target-select.h (class Target_selector): Make instantiate_target
9622         protected rather than private.
9623         * Makefile.am (HFILES): Add freebsd.h.
9624         * configure, Makefile.in, config.in: Rebuild.
9625
9626         * merge.cc (do_add_input_section): Correct pend value.  Change
9627         message about last entry not being null terminated from error to
9628         warning.
9629
9630 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9631
9632         * incremental.cc: New file.
9633         * Makefile.am (CCFILES): Add incremental.cc.
9634         * Makefile.in: Rebuild.
9635
9636 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9637
9638         * layout.cc (Layout::output_section_name): Preserve names
9639         of '.note.' sections.
9640
9641 2009-03-19  Ian Lance Taylor  <iant@google.com>
9642
9643         * descriptors.cc (Descriptors::open): Check that the options are
9644         valid before using them.
9645
9646 2009-03-18  Ian Lance Taylor  <iant@google.com>
9647
9648         * script-sections.h: Include <list>.
9649         (class Script_sections): Change Sections_elements from std::vector
9650         to std::list.  Typedef public Elements_iterator.  Add
9651         orphan_section_placement_, data_segment_align_start_, and
9652         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9653         field.
9654         * script-sections.cc (class Orphan_section_placement): New class.
9655         (class Sections_element): Add virtual functions is_relro and
9656         orphan_section_init.  Remove virtual function place_orphan_here.
9657         (class Output_section_definition): Add is_relro and
9658         orphan_section_init.  Remove place_orphan_here.
9659         (class Orphan_output_section): Likewise.
9660         (Script_sections::Script_sections): Update for field changes.
9661         (Script_sections::data_segment_align): Set saw_data_segment_align_
9662         and data_segment_align_start_, not data_segment_align_index.
9663         (Script_sections::data_segment_relro_end): Check
9664         saw_data_segment_align_.  Use data_segment_align_start_ rather
9665         than data_segment_align_index_.
9666         (Script_sections::place_orphan): Rewrite to use
9667         Orphan_section_placement.
9668
9669 2009-03-17  Ian Lance Taylor  <iant@google.com>
9670
9671         * archive.cc (Archive::add_symbols): Check for a version attached
9672         to the symbol name in the archive map.
9673         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9674         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9675         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9676         (ver_test_11.a): New target.
9677         * testsuite/Makefile.in: Rebuild.
9678
9679         * configure.ac: Check for chsize and posix_fallocate.  Replace
9680         ftruncate.
9681         * ftruncate.c: New file, from gnulib.
9682         * output.cc (posix_fallocate): Define dummy version if not
9683         HAVE_POSIX_FALLOCATE.
9684         (Output_file::map): Call posix_fallocate rather than lseek and
9685         write.
9686         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9687         * configure, Makefile.in, config.in: Rebuild.
9688
9689 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9690
9691         * layout.h (Layout::create_note): Add section_name parameter.
9692         * layout.cc (Layout::create_note): Likewise.
9693         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9694
9695 2009-03-17  Ian Lance Taylor  <iant@google.com>
9696
9697         * descriptors.cc: Include "options.h".
9698         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9699         (Descriptors::open): Always use O_CLOEXEC when opening a new
9700         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9701         then set FD_CLOEXEC.
9702
9703         * sparc.cc (class Target_sparc): Add has_got_section.
9704         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9705         make sure we have a GOT section.
9706
9707         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9708         (Target_sparc::Scan::local): Likewise.
9709         (Target_sparc::Scan::global): Likewise.
9710         (Target_sparc::Relocate::relocate): Likewise.
9711         (Target_sparc::Relocate::relocate_tls): Likewise.
9712
9713         * symtab.cc (Symbol_table::define_default_version): New function,
9714         broken out of add_from_object.
9715         (Symbol_table::add_from_object): Call define_default_version.
9716         (Symbol_table::define_special_symbol): Add resolve_oldsym
9717         parameter.  Change all callers.  If the version for a symbol comes
9718         from a version script, resolve it with the symbol with the same
9719         name with no version.  Also add the symbol without a version if
9720         appropriate.
9721         (do_define_in_output_data): If resolving with oldsym, don't delete
9722         sym.
9723         (do_define_in_output_segment): Likewise.
9724         (do_define_as_constant): Likewise.
9725         * symtab.h (class Symbol_table): Update declarations.
9726
9727 2009-03-13  Ian Lance Taylor  <iant@google.com>
9728
9729         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9730         (Read_symbols::requeue): New function.
9731         (Read_symbols::do_read_symbols): If make_elf_object fails because
9732         the target type is not configured, and the file was searched for,
9733         issue a warning and retry with the next directory.
9734         (Add_symbols::run): If the file has an incompatible format, and
9735         it was searched for, requeue the Read_symbols task.  On error,
9736         release the object.
9737         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9738         dirindex parameter to constructor.  Change all callers.  Declare
9739         incompatible_warning and requeue.
9740         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9741         input_argument_ and input_group_ fields.  Add them to
9742         constructor.  Change all callers.
9743         (class Read_script): Add dirindex_ field.  Add it to constructor.
9744         Change all callers.
9745         * archive.cc (Archive::setup): Remove input_objects parameter.
9746         Change all callers.
9747         (Archive::get_file_and_offset): Likewise.
9748         (Archive::read_all_symbols): Likewise.
9749         (Archive::read_symbols): Likewise.
9750         (Archive::get_elf_object_for_member): Remove input_objects
9751         parameter.  Add punconfigured parameter.  Change all callers.
9752         (Archive::add_symbols): Change return type to bool.  Check return
9753         value of include_member.
9754         (Archive::include_all_members): Likewise.
9755         (Archive::include_member): Change return type to bool.  Return
9756         false if first included object has incompatible target.  Set
9757         included_member_ field.
9758         (Add_archive_symbols::run): If add_symbols returns false, requeue
9759         Read_symbols task.
9760         * archive.h (class Archive): Add included_member_ field.
9761         Initialize it in constructor.  Add input_file and searched_for
9762         methods.  Update declarations.
9763         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9764         input_argument_ fields.  Add them to constructor.  Change all
9765         callers.
9766         * script.cc: Include "target-select.h".
9767         (class Parser_closure): Add skip_on_incompatible_target_ and
9768         found_incompatible_target_ fields.  Add
9769         skip_on_incompatible_target parameter to constructor.  Change all
9770         callers.  Add methods skip_on_incompatible_target,
9771         clear_skip_on_incompatible_target, found_incompatible_target, and
9772         set_found_incompatible_target.
9773         (read_input_script): Add dirindex parameter.  Change all callers.
9774         If parser finds an incompatible target, requeue Read_symbols
9775         task.
9776         (script_set_symbol): Clear skip_on_incompatible_target in
9777         closure.
9778         (script_add_assertion, script_parse_option): Likewise.
9779         (script_start_sections, script_add_phdr): Likewise.
9780         (script_check_output_format): New function.
9781         * script.h (read_input_script): Update declaration.
9782         * script-c.h (script_check_output_format): Declare.
9783         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9784         (ignore_cmd): Remove OUTPUT_FORMAT.
9785         * fileread.cc (Input_file::Input_file): Add explicit this.
9786         (Input_file::will_search_for): New function.
9787         (Input_file::open): Add pindex parameter.  Change all callers.
9788         * fileread.h (class Input_file): Add input_file_argument method.
9789         Declare will_search_for.  Update declarations.
9790         * object.cc (make_elf_object): Add punconfigured parameter.
9791         Change all callers.
9792         * object.h (class Object): Make input_file public.  Add
9793         searched_for method.
9794         (make_elf_object): Update declaration.
9795         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9796         restart search.
9797         * dirsearch.h (class Dirsearch): Update declaration.
9798         * options.h (class General_options): Add --warn-search-mismatch.
9799         * parameters.cc (Parameters::is_compatible_target): New function.
9800         * parameters.h (class Parameters): Declare is_compatible_target.
9801         * workqueue.cc (Workqueue::add_blocker): New function.
9802         * workqueue.h (class Workqueue): Declare add_blocker.
9803
9804         * fileread.cc (Input_file::open): Remove options parameter.
9805         Change all callers.
9806         (Input_file::open_binary): Likewise.
9807         * script.cc (read_input_script): Likewise.
9808         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9809         options parameter from constructor.  Change all callers.
9810         (class Read_script): Likewise.
9811         * fileread.h (class Input_file): Update declarations.
9812         * script.h (read_input_script): Update declaration.
9813
9814 2009-03-10  Nick Clifton  <nickc@redhat.com>
9815
9816         * po/es.po: New Spanish translation.
9817
9818 2009-03-06  Cary Coutant  <ccoutant@google.com>
9819
9820         * options.cc (parse_short_option): Keep dash_z from registering itself.
9821
9822 2009-03-03  Ian Lance Taylor  <iant@google.com>
9823
9824         PR 9918
9825         * target-reloc.h (relocate_section): Pass output_section to
9826         relocate.
9827         * i386.cc (Target_i386::should_apply_static_reloc): Add
9828         output_section parameter.  Change all callers.
9829         (Target_i386::Relocate::relocate): Add output_section parameter.
9830         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9831         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9832         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9833         * testsuite/two_file_shared.sh: New script.
9834         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9835         (check_DATA): Add two_file_shared.dbg.
9836         (two_file_shared.dbg): New target.
9837         * testsuite/Makefile.in: Rebuild.
9838
9839 2009-03-01  Ian Lance Taylor  <iant@google.com>
9840
9841         * configure.ac: Check for byteswap.h.
9842         * configure: Rebuild.
9843         * config.in: Rebuild.
9844
9845 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9846
9847         * layout.cc (Layout::find_or_add_kept_section): New function.
9848         (Layout::add_comdat): Removed.
9849         * layout.h (struct Kept_section): Move out of class Layout.
9850         Remove trailing underscores from field names.  Add group_sections
9851         field.  Rename group_ field to is_group.  Change all uses.
9852         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9853         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9854         comdat_groups_ field.
9855         (Sized_relobj::include_section_group): Use
9856         find_or_add_kept_section and Kept_section::group_sections.
9857         (Sized_relobj::include_linkonce_section): Likewise.
9858         * object.cc (class Sized_relobj): Don't define Comdat_group or
9859         Comdat_group_table.  Remove find_comdat_group and
9860         add_comdat_group.  Remove comdat_groups_ field.
9861         * plugin.cc (include_comdat_group): Use
9862         Layout::find_or_add_kept_section.
9863
9864 2009-02-28  Ian Lance Taylor  <iant@google.com>
9865
9866         * README: --gc-sections and map files are now supported.  Document
9867         some build requirements.
9868
9869         PR 6992
9870         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9871         relocatable link set the value of the section symbol to zero.
9872         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9873         relocatable link don't include the section address in the local
9874         symbol value.
9875
9876 2009-02-27  Ian Lance Taylor  <iant@google.com>
9877
9878         PR 6811
9879         * options.h (class Search_directory): Add is_system_directory.
9880         (class General_options): Declare is_in_system_directory.
9881         * options.cc (get_relative_sysroot): Make static.
9882         (get_default_sysroot): Make static.
9883         (General_optoins::is_in_system_directory): New function.
9884         * fileread.cc (Input_file::is_in_system_directory): New function.
9885         * fileread.h (class Input_file): Declare is_in_system_directory.
9886         * object.h (class Object): Add is_in_system_directory.
9887         (class Input_objects): Remove system_library_directory_ field.
9888         * object.cc (Input_objects::add_object): Don't set
9889         system_library_directory_.
9890         (input_objects::found_in_system_library_directory): Remove.
9891         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9892         parameter.  Change all callers.
9893         (Symbol_table::sized_write_globals): Likewise.
9894         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9895         Call Object::is_in_system_directory.
9896         * symtab.h (class Symbol_table): Update declarations.
9897
9898         PR 5990
9899         * descriptors.h (Open_descriptor): Add is_on_stack field.
9900         * descriptors.cc (Descriptors::open): If the descriptor is on the
9901         top of the stack, remove it.  Initialize is_on_stack field.
9902         (Descriptors::release): Only add pod to stack if it is not on the
9903         stack already.
9904         (Descriptors::close_some_descriptor): Clear stack_next and
9905         is_on_stack fields.
9906
9907         PR 7091
9908         * output.cc (Output_section::find_starting_output_address): Rename
9909         from starting_output_address; add PADDR parameter; change return
9910         type.
9911         * output.h (class Output_section): Declare
9912         find_starting_output_address instead of starting_output_address.
9913         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9914         section symbol for which we can't find a merge section.
9915
9916         PR 9836
9917         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9918         hidden or internal, force the symbol to be local.
9919         * resolve.cc (Symbol::override_visibility): Define.
9920         (Symbol::override_base): Use override_visibility.
9921         (Symbol_table::resolve): Likewise.
9922         (Symbol::override_base_with_special): Likewise.
9923         (Symbol_table::override_with_special): If the visibility is hidden
9924         or internal, force the symbol to be local.
9925         * symtab.h (class Symbol): Add set_visibility and
9926         override_visibility.
9927         * testsuite/ver_test_1.sh: New file.
9928         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9929         (check_DATA): Add ver_test_1.syms.
9930         (ver_test_1.syms): New target.
9931         * testsuite/Makefile.in: Rebuild.
9932
9933 2009-02-25  Cary Coutant  <ccoutant@google.com>
9934
9935         * layout.cc (Layout::choose_output_section): Don't rename sections
9936         when using a linker script that has a SECTIONS clause.
9937         * Makefile.in: Regenerate.
9938
9939         * testsuite/Makefile.am (script_test_5.sh): New test case.
9940         * testsuite/Makefile.in: Regenerate.
9941         * testsuite/script_test_5.cc: New file.
9942         * testsuite/script_test_5.sh: New file.
9943         * testsuite/script_test_5.t: New file.
9944
9945 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9946
9947         * archive.cc (Archive::include_member): Update calls to add_symbols.
9948         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9949         the Layout argument.
9950         * dynobj.h (do_add_symbols): Add the Layout argument.
9951         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9952         Layout argument.
9953         * object.h (Object::add_symbols): Add the Layout argument.
9954         (Object::do_add_symbols): Add the Layout argument.
9955         (Sized_relobj::do_add_symbols): Add the Layout argument.
9956         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9957         Unify the two versions.
9958         (Add_plugin_symbols): Remove.
9959         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9960         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9961         (Add_plugin_symbols): Remove.
9962         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9963         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9964         (Add_symbols::run): Make it work with Pulginobj.
9965
9966 2009-02-06  Ian Lance Taylor  <iant@google.com>
9967
9968         * object.cc (Sized_relobj::do_layout): Make info message start
9969         with lower case letter.
9970
9971 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9972
9973         * binary.cc: Fix file comment.
9974
9975         * options.h (enum Incremental_disposition): Define.
9976         (class General_options): Add new options: --incremental,
9977         --incremental_changed, --incremental_unchanged,
9978         --incremental_unknown.  Add incremental_disposition_ and
9979         implicit_incremental_ fields.
9980         (General_options::incremental_disposition): New function.
9981         (class Position_dependent_options): Add incremental_disposition
9982         option.
9983         (Position_dependent_options::copy_from_options): Set incremental
9984         dispositions.
9985         * options.cc (General_options::parse_incremental_changed): New
9986         function.
9987         (General_options::parse_incremental_unchanged): New function.
9988         (General_options::parse_incremental_unknown): New function.
9989         (General_options::General_options): Initialize new fields
9990         incremental_disposition_ and implicit_incremental_.
9991         (General_options::finalize): Check for uasge of --incremental-*
9992         without --incremental.
9993
9994 2009-02-06  Chris Demetriou  <cgd@google.com>
9995
9996         * gold.h (gold_undefined_symbol): Change to take only a Symbol
9997         pointer and to report location as the file name associated with
9998         the symbol.
9999         (gold_undefined_symbol_at_location): New function to replace the
10000         old gold_undefined_symbol functionality.
10001         * target-reloc.h (relocate_section): Update to use
10002         gold_undefined_symbol_at_location.
10003         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10004         Call gold_undefined_symbol function rather than gold_error.
10005         * errors.h (Errors::undefined_symbol): Take location as a
10006         string, rather than calculating it from a relocation.
10007         * errors.cc (Errors::fatal): Print "fatal error:" before the
10008         formatted message.
10009         (Errors::error, Errors::error_at_location): Print "error: "
10010         before the formatted message.
10011         (Errors::undefined_symbol): Take location as a string, rather
10012         than calculating it from a relocation.
10013         (gold_undefined_symbol_at_location): New function akin to
10014         old gold_undefined_symbol, calculates location from relocation.
10015         (gold_undefined_symbol): Change to take only a Symbol pointer
10016         and to report location as the file name associated with the symbol.
10017         * testsuite/debug_msg.sh: Update for changed error messages.
10018         * testsuite/undef_symbol.sh: Likewise.
10019
10020 2009-02-04  Duncan Sands  <baldrick@free.fr>
10021
10022         PR 9812
10023         * reduced_debug_output.h
10024         (Output_reduced_debug_abbrev_section::failed): Use format for
10025         gold_warning.
10026         (Output_reduced_debug_info_section::faild): Likewise.
10027
10028 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10029
10030         * script.cc (Lazy_demangler): New class.
10031         (Version_script_info::get_symbol_version_helper): Demangle a
10032         symbol only once.
10033
10034 2009-01-29  Cary Coutant  <ccoutant@google.com>
10035
10036         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10037         to __tls_get_addr.
10038         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10039
10040 2009-01-28  Ian Lance Taylor  <iant@google.com>
10041
10042         * version.cc (version_string): Bump to 1.9.
10043
10044         * gold.h: Include <cstring> and <stdint.h>.
10045         * version.cc: Include <cstdio>.
10046         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10047         warning.
10048         * reduced_debug_output.cc (insert_into_vector): Rename from
10049         Insert_into_vector; change all callers.  Use Swap_unaligned to
10050         avoid aliasing issue; remove union since it is unnecessary.
10051
10052 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10053
10054         * Makefile.am (CCFILES): Add gc.cc.
10055         (HFILES): Add gc.h.
10056         * Makefile.in: Regenerate.
10057         * gold.cc (Gc_runner): New class.
10058         (queue_initial_tasks): Call garbage collection related tasks
10059         when corresponding options are invoked.
10060         (queue_middle_gc_tasks): New function.
10061         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10062         processed early before laying out sections during garbage collection.
10063         * gold.h (queue_middle_gc_tasks): New function.
10064         (is_prefix_of): Move from "layout.cc".
10065         * i386.cc (Target_i386::gc_process_relocs): New function.
10066         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10067         * main.cc (main): Create object of class "Garbage_collection".
10068         * object.cc (Relobj::copy_symbols_data): New function.
10069         (Relobj::is_section_name_included): New function.
10070         (Sized_relobj::do_layout): Allow this function to be called twice
10071         during garbage collection and defer layout of section during the
10072         first call.
10073         * object.h (Relobj::get_symbols_data): New function.
10074         (Relobj::is_section_name_included): New function.
10075         (Relobj::copy_symbols_data): New function.
10076         (Relobj::set_symbols_data): New function.
10077         (Relobj::get_relocs_data): New function.
10078         (Relobj::set_relocs_data): New function.
10079         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10080         (Relobj::gc_process_relocs): New function.
10081         (Relobj::do_gc_process_relocs): New pure virtual function.
10082         (Relobj::sd_): New data member.
10083         (Sized_relobj::is_output_section_offset_invalid): New function.
10084         (Sized_relobj::do_gc_process_relocs): New function.
10085         * options.h (General_options::gc_sections): Modify to not be a no-op.
10086         (General_options::print_gc_sections): New option.
10087         * plugin.cc (Plugin_finish::run): Remove function call to
10088         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10089         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10090         * reloc.cc (Read_relocs::run): Add task to process relocs and
10091         determine unreferenced sections when doing garbage collection.
10092         (Gc_process_relocs): New class.
10093         (Sized_relobj::do_gc_process_relocs): New function.
10094         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10095         sections that are garbage collected.
10096         * reloc.h (Gc_process_relocs): New class.
10097         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10098         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10099         symbols whose corresponding sections are garbage collected.
10100         (Symbol_table::Symbol_table): Add new parameter for the garbage
10101         collection object.
10102         (Symbol_table::gc_mark_undef_symbols): New function.
10103         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10104         (Symbol_table::gc_mark_dyn_syms): New function.
10105         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10106         as garbage.
10107         (Symbol_table::add_from_object): Likewise.
10108         (Symbol_table::add_from_relobj): When building shared objects, do not
10109         treat externally visible symbols as garbage.
10110         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10111         table information for static and relocatable links.
10112         * symtab.h (Symbol_table::set_gc): New function.
10113         (Symbol_table::gc): New function.
10114         (Symbol_table::gc_mark_undef_symbols): New function.
10115         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10116         (Symbol_table::gc_mark_dyn_syms): New function.
10117         (Symbol_table::gc_): New data member.
10118         * target.h (Sized_target::gc_process_relocs): New pure virtual
10119         function.
10120         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10121         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10122
10123 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10124
10125         * options.h (General_options::gc_sections): Define as a no-op for now.
10126         (General_options::no_keep_memory): Ditto.
10127         (General_options::Bshareable): Define.
10128         * options.cc (General_options::finalize): Honor -Bshareable.
10129
10130 2009-01-20  Andreas Schwab  <schwab@suse.de>
10131
10132         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10133         read the value in the contents, since we don't use it.  Use the
10134         template endianness when writing.
10135         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10136
10137 2009-01-19  Andreas Schwab  <schwab@suse.de>
10138
10139         * configure.tgt (powerpc64-*): Fix targ_obj.
10140
10141 2009-01-15  Ian Lance Taylor  <iant@google.com>
10142
10143         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10144         local symbols when stripping all symbols.
10145
10146 2009-01-14  Cary Coutant  <ccoutant@google.com>
10147
10148         * output.cc (Output_reloc): Add explicit instantiations.
10149
10150 2009-01-14  Cary Coutant  <ccoutant@google.com>
10151
10152         * archive.cc (Archive::get_elf_object_for_member): Remove call
10153         to File_read::claim_for_plugin.
10154         * descriptors.cc (Descriptors::open): Remove reference to
10155         is_claimed.
10156         (Descriptors::claim_for_plugin): Remove.
10157         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10158         (Descriptors::is_claimed): Remove.
10159         (claim_descriptor_for_plugin): Remove.
10160         * fileread.cc (File_read::claim_for_plugin): Remove.
10161         * fileread.h (File_read::claim_for_plugin): Remove.
10162         (File_read::descriptor): Reopen descriptor if necessary.
10163         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10164         (Plugin_manager::all_symbols_read): Add task parameter. Change
10165         all callers.
10166         (Plugin_manager::get_input_file): New function.
10167         (Plugin_manager::release_input_file): New function.
10168         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10169         corresponding data member.
10170         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10171         and pass to base constructor. Change all callers.
10172         (get_input_file, release_input_file): New functions.
10173         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10174         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10175         (Plugin_manager::all_symbols_read): Add task parameter.
10176         (Plugin_manager::get_input_file): New function.
10177         (Plugin_manager::release_input_file): New function.
10178         (Plugin_manager::task_): New data member.
10179         (Pluginobj::Pluginobj): Add filesize parameter.
10180         (Pluginobj::filename): New function.
10181         (Pluginobj::descriptor): New function.
10182         (Pluginobj::filesize): New function.
10183         (Pluginobj::filesize_): New data member.
10184         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10185         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10186         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10187
10188         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10189         with archive libraries.
10190         * testsuite/Makefile.in: Regenerate.
10191         * testsuite/plugin_test.c (struct sym_info): New type.
10192         (get_input_file, release_input_file): New static variables.
10193         (onload): Capture new transfer vector entries.
10194         (claim_file_hook): Stop reading at end of file according to filesize.
10195         Factor out parsing of readelf output into separate function.
10196         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10197         APIs and get the source file name from the symbol table.  Convert
10198         source file name to corresponding object file name.  Print info
10199         message when adding new input files.
10200         (parse_readelf_line): New function.
10201         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10202         * testsuite/plugin_test_2.sh: Likewise.
10203         * testsuite/plugin_test_3.sh: Likewise.
10204         * testsuite/plugin_test_4.sh: New test case.
10205
10206 2009-01-07  Ian Lance Taylor  <iant@google.com>
10207
10208         * version.cc (version_string): Bump to 1.8.
10209
10210 2008-12-23  Cary Coutant  <ccoutant@google.com>
10211
10212         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10213         * plugin.cc (Plugin_manager::finish): Rename as
10214         layout_deferred_objects.  Move cleanup to separate function.
10215         (Plugin_manager::cleanup): New function.
10216         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10217         separately.
10218         * plugin.h (Plugin_manager::finish): Rename as
10219         layout_deferred_objects.
10220         (Plugin_manager::cleanup): New function.
10221         (Plugin_manager::cleanup_done): New field.
10222
10223 2008-12-23  Cary Coutant  <ccoutant@google.com>
10224
10225         * plugin.cc (is_visible_from_outside): New function.
10226         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10227         so we don't return "IR only" status for exported symbols or -r links.
10228
10229         * testsuite/Makefile.am (plugin_test_3): New test case.
10230         * testsuite/Makefile.in: Regenerate.
10231         * testsuite/plugin_test_3.sh: New file.
10232
10233 2008-12-22  Cary Coutant  <ccoutant@google.com>
10234
10235         * object.cc (Sized_relobj::layout_section): New function.
10236         (Sized_relobj::do_layout): Defer layout of input sections until after
10237         plugin has provided replacement files.
10238         (Sized_relobj::do_layout_deferred_sections): New function.
10239         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10240         (Relobj::layout_deferred_sections): New function.
10241         (Relobj::do_layout_deferred_sections): New function.
10242         (Sized_relobj::do_layout_deferred_sections): New function.
10243         (Sized_relobj::layout_section): New function.
10244         (Sized_relobj::Deferred_layout): New structure.
10245         (Sized_relobj::deferred_layout_): New field.
10246         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10247         Change all callers.  Layout deferred sections.
10248         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10249         references.
10250         (Plugin_hook::run): Move code from do_plugin_hook inline.
10251         (Plugin_hook::do_plugin_hook): Remove.
10252         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10253         (Plugin_manager::finish): Renamed, was cleanup.
10254         (Plugin_manager::should_defer_layout): New function.
10255         (Plugin_manager::add_deferred_layout_object): New function.
10256         (Plugin_manager::Deferred_layout_list): New type.
10257         (Plugin_manager::deferred_layout_objects_): New field.
10258         (Plugin_hook::do_plugin_hook): Remove.
10259
10260 2008-12-17  Ian Lance Taylor  <iant@google.com>
10261
10262         * options.h (class General_options): Add --no case for
10263         --export-dynamic.
10264
10265 2008-12-16  Cary Coutant  <ccoutant@google.com>
10266
10267         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10268         vector.
10269         (Plugin_manager::claim_file): Create plugin object even if
10270         plugin did not call the add_symbols callback.
10271         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10272         asking for more symbols than were added.
10273         * testsuite/Makefile.am (plugin_test_1): Add test case with
10274         no global symbols.
10275         (empty.syms): New target.
10276         * testsuite/Makefile.in: Regenerate.
10277         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10278         message. Don't call add_symbols if no globals.
10279         (all_symbols_read_hook): Don't provide replacement for empty
10280         claimed file.
10281
10282 2008-12-12  Ian Lance Taylor  <iant@google.com>
10283
10284         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10285         r_type == 0 for a local symbol with r_sym == 0.
10286         (scan_relocatable_relocs): Pass r_sym to
10287         local_non_section_strategy.
10288         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10289         r_sym parameter.
10290
10291         * configure.ac: Update test for TLS descriptors: they are
10292         supported as of glibc 2.9.
10293         * configure: Rebuild.
10294
10295 2008-12-11  Ian Lance Taylor  <iant@google.com>
10296
10297         PR 7091
10298         * target-reloc.h (Default_scan_relocatable_relocs): For each
10299         function, map r_type == 0 to RELOC_DISCARD.
10300
10301 2008-12-10  Cary Coutant  <ccoutant@google.com>
10302
10303         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10304         object to override a kept COMDAT group from a plugin object.
10305
10306 2008-12-09  Ian Lance Taylor  <iant@google.com>
10307
10308         PR 7088
10309         * yyscript.y (file_cmd): Handle INPUT.
10310
10311         * testsuite/initpri1.c: Change all declarations to be full
10312         prototypes by adding void, to avoid compiler warnings.
10313
10314 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10315
10316         * options.cc (General_options::parse_plugin_opt): New.
10317         (General_options::add_plugin): The argument now is just the filename.
10318         (General_options::add_plugin_option): New.
10319         * options.h (plugin_opt): New.
10320         (add_plugin): Change argument name.
10321         (add_plugin_option): New.
10322         * plugin.cc (Plugin::load): Don't parse the plugin option.
10323         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10324         (Plugin::add_option): New.
10325         (Plugin::args_): Change type.
10326         (Plugin::filename_): New.
10327         (Plugin_manager::add_plugin_option): New.
10328         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10329         * testsuite/Makefile.in: Regenerate.
10330
10331 2008-12-05  Cary Coutant  <ccoutant@google.com>
10332
10333         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10334         Handle --strip-lto-sections option.
10335         * options.h (strip_lto_sections): New option.
10336
10337 2008-12-01  Cary Coutant  <ccoutant@google.com>
10338
10339         * plugin.cc (ld_plugin_message): Change format parameter to const.
10340         Fix mismatch between new[] and delete.
10341
10342 2008-11-14  Cary Coutant  <ccoutant@google.com>
10343
10344         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10345         instead of -1U.
10346
10347 2008-11-05  Craig Silverstein  <csilvers@google.com>
10348
10349         * options.cc (General_options::parse_dynamic_list): New function.
10350         * options.h (General_options): New flags dynamic_list,
10351         dynamic_list_data, dynamic_list_cpp_new, and
10352         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10353         (General_options::in_dynamic_list): New function.
10354         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10355         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10356         (Lex::can_continue_name): Likewise.
10357         (yylex): Likewise.
10358         (read_script_file): New parameter script_options.
10359         (read_dynamic_list): New function.
10360         (Script_options::define_dynamic_list): New function.
10361         (dynamic_list_keyword_parsecodes): New variable.
10362         (dynamic_list_keywords): New variable.
10363         * script.h (Script_options::define_dynamic_list): New function
10364         prototype.
10365         (read_dynamic_list): New function prototype.
10366         * symtab.cc (strprefix): New macro.
10367         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10368         dynamic_list_data, dynamic_list_cpp_new, and
10369         dynamic_list_cpp_typeinfo.
10370         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10371         (dynamic_list_expr): New rule.
10372         (dynamic_list_nodes): Likewise.
10373         (dynamic_list_node): Likewise.
10374         * testsuite/Makefile.am (dynamic_list): New test.
10375         * testsuite/Makefile.in: Regenerated.
10376         * testsuite/dynamic_list.t: New file.
10377         * testsuite/dynamic_list.sh: New file.
10378
10379 2008-11-05  Craig Silverstein  <csilvers@google.com>
10380
10381         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10382         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10383         (t11_last): Likewise.
10384         * testsuite/ver_test_6.c (main): Likewise.
10385
10386 2008-10-07  Cary Coutant  <ccoutant@google.com>
10387
10388         * options.c (General_options::finalize): Add check for -static and
10389         -shared.
10390         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10391         is not empty.
10392
10393 2008-10-02  Cary Coutant  <ccoutant@google.com>
10394
10395         * plugin.cc (make_sized_plugin_object): Fix conditional
10396         compilation to work when not all targets are enabled.
10397
10398 2008-09-29  Cary Coutant  <ccoutant@google.com>
10399
10400         * archive.cc (Archive::get_file_and_offset): Use filename instead
10401         of name to get library path.
10402         (Archive::include_member): Unlock external member of a thin archive.
10403
10404         * testsuite/Makefile.am (TEST_AR): New variable.
10405         (thin_archive_test_1): New test.
10406         (thin_archive_test_2): New test.
10407         * testsuite/Makefile.in: Regenerate.
10408         * testsuite/thin_archive_main.cc: New file.
10409         * testsuite/thin_archive_test_1.cc: New file.
10410         * testsuite/thin_archive_test_2.cc: New file.
10411         * testsuite/thin_archive_test_3.cc: New file.
10412         * testsuite/thin_archive_test_4.cc: New file.
10413
10414 2008-09-29  Cary Coutant  <ccoutant@google.com>
10415
10416         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10417         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10418         instead of -1U.
10419         (Sized_relobj::do_finalize_local_symbols): Likewise.
10420         (Sized_relobj::map_to_kept_section): Likewise.
10421         * object.h (Sized_relobj::invalid_address): New constant.
10422         (Sized_relobj::do_output_section_offset): Check for invalid_address
10423         and return -1ULL.
10424         * output.cc (Output_reloc::local_section_offset): Use constant
10425         invalid_address instead of -1U.
10426         (Output_reloc::get_address): Likewise.
10427         (Output_section::output_address): Change -1U to -1ULL.
10428         * output.h (Output_reloc::invalid_address): New constant.
10429         * reloc.cc (Sized_relobj::write_sections): Use constant
10430         invalid_address instead of -1U.
10431         (Sized_relobj::relocate_sections): Likewise.
10432         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10433         values for merge sections.
10434         * target-reloc.h (relocate_for_relocatable): Use constant
10435         invalid_address instead of -1U.
10436
10437 2008-09-19  Cary Coutant  <ccoutant@google.com>
10438
10439         Add plugin functionality for link-time optimization (LTO).
10440         * configure.ac (plugins): Add --enable-plugins option.
10441         * configure: Regenerate.
10442         * config.in: Regenerate.
10443         * Makefile.am (LIBDL): New variable.
10444         (CCFILES): Add plugin.cc.
10445         (HFILES): Add plugin.h.
10446         (ldadd_var): Add LIBDL.
10447         * Makefile.in: Regenerate.
10448
10449         * archive.cc: Include "plugin.h".
10450         (Archive::setup): Don't preread archive symbols when using a plugin.
10451         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10452         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10453         files.
10454         (Archive::include_member): Add symbols from plugin objects.
10455         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10456         * descriptors.cc (Descriptors::open): Check for file descriptors
10457         abandoned by plugins.
10458         (Descriptors::claim_for_plugin): New function.
10459         * descriptors.h (Descriptors::claim_for_plugin): New function.
10460         (Open_descriptor::is_claimed): New field.
10461         (claim_descriptor_for_plugin): New function.
10462         * fileread.cc (File_read::claim_for_plugin): New function.
10463         * fileread.h (File_read::claim_for_plugin): New function.
10464         (File_read::descriptor): New function.
10465         * gold.cc: Include "plugin.h".
10466         (queue_initial_tasks): Add task to call plugin hooks for generating
10467         new object files.
10468         * main.cc: Include "plugin.h".
10469         (main): Load plugin libraries.
10470         * object.h (Pluginobj): Declare.
10471         (Object::pluginobj): New function.
10472         (Object::do_pluginobj): New function.
10473         (Object::set_target): New function.
10474         * options.cc: Include "plugin.h".
10475         (General_options::parse_plugin): New function.
10476         (General_options::General_options): Initialize plugins_ field.
10477         (General_options::add_plugin): New function.
10478         * options.h (Plugin_manager): Declare.
10479         (General_options): Add --plugin option.
10480         (General_options::has_plugins): New function.
10481         (General_options::plugins): New function.
10482         (General_options::add_plugin): New function.
10483         (General_options::plugins_): New field.
10484         * plugin.cc: New file.
10485         * plugin.h: New file.
10486         * readsyms.cc: Include "plugin.h".
10487         (Read_symbols::do_read_symbols): Check for archive before checking
10488         for ELF file.  Call plugin hooks to claim files.
10489         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10490         from a real object file; force override when processing replacement
10491         files.
10492         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10493         (Symbol::init_base_object): Likewise.
10494         (Symbol::init_base_output_data): Likewise.
10495         (Symbol::init_base_output_segment): Likewise.
10496         (Symbol::init_base_constant): Likewise.
10497         (Symbol::init_base_undefined): Likewise.
10498         (Symbol::output_section): Assert that object is not a plugin.
10499         (Symbol_table::add_from_pluginobj): New function.
10500         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10501         undefined.
10502         (Symbol_table::sized_write_globals): Likewise.
10503         (Symbol_table::add_from_pluginobj): Instantiate template.
10504         * symtab.h (Sized_pluginobj): Declare.
10505         (Symbol::in_real_elf): New function.
10506         (Symbol::set_in_real_elf): New function.
10507         (Symbol::in_real_elf_): New field.
10508         (Symbol_table::add_from_pluginobj): New function.
10509
10510         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10511         (LIBDL): New variable.
10512         (LDADD): Add LIBDL.
10513         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10514         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10515         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10516         (MOSTLYCLEANFILES): Likewise.
10517         * testsuite/Makefile.in: Regenerate.
10518         * testsuite/plugin_test.c: New file.
10519         * testsuite/plugin_test_1.sh: New file.
10520         * testsuite/plugin_test_2.sh: New file.
10521
10522 2008-09-16  Ian Lance Taylor  <iant@google.com>
10523
10524         * target-reloc.h (relocate_section): Check whether a symbol is
10525         defined by the ABI before reporting an undefined symbol error.
10526         * target.h (Target::is_defined_by_abi): Make parameter const.
10527         (Target::do_is_defined_by_abi): Likewise.
10528         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10529         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10530         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10531         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10532         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10533         * testsuite/Makefile.in: Rebuild.
10534
10535         * fileread.cc (make_view): Add casts to avoid warning.
10536
10537 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10538
10539         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10540         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10541
10542 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10543
10544         * options.h (General_options::output_is_executable): New.
10545         (General_options::output_is_pie): New.
10546         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10547         for shared libraries.
10548         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10549
10550 2008-09-11  Chris Demetriou  <cgd@google.com>
10551
10552         * options.h (origin): New -z option.
10553         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10554         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10555         in DT_FLAGS_1.
10556
10557 2008-09-05  Cary Coutant  <ccoutant@google.com>
10558
10559         * fileread.cc (File_read::make_view): Add check for attempt to map
10560         beyond end of file.
10561
10562 2008-09-05  Cary Coutant  <ccoutant@google.com>
10563
10564         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10565         explicit instantiations.
10566
10567 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10568
10569         PR gold/6858
10570         * options.cc (General_options::finalize): Allow undefined symbols
10571         in shlibs if linking -shared.
10572
10573         PR gold/6859
10574         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10575         symbols as not needing a dynsym entry.
10576
10577 2008-08-20  Craig Silverstein  <csilvers@google.com>
10578
10579         * fileread.cc (File_read::open): Do not lock the file unless it
10580         was successfully opened.
10581
10582 2008-08-14  Cary Coutant  <ccoutant@google.com>
10583
10584         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10585         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10586         * testsuite/tls_test.cc (struct int128): 128-bit struct
10587         for testing TLS relocs with non-zero addend.
10588         (v12): New TLS variable.
10589         (t12): New test.
10590         (t_last): Add check for v12.
10591         * testsuite/tls_test.h (t12): New function.
10592         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10593
10594 2008-08-13  Ian Lance Taylor  <iant@google.com>
10595
10596         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10597         set tls_segment_ or relro_segment_.
10598         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10599         when appropriate.
10600         * output.h (Output_section::clear_is_relro): New function.
10601         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10602         sections specially even when output_data_ is empty.
10603         (Output_segment::maximum_alignment): When first section is relro,
10604         only force alignment for PT_LOAD segments.
10605         * script.cc (script_data_segment_align): New function.
10606         (script_data_segment_relro_end): New function.
10607         * script-c.h (script_data_segment_align): Declare.
10608         (script_data_segment_relro_end): Declare.
10609         * script-sections.h (class Script_sections): Declare
10610         data_segment_align and data_segment_relro_end.  Add fields
10611         segment_align_index_ and saw_relro_end_.
10612         * script-sections.cc (class Sections_element): Add set_is_relro
10613         virtual function.  Add new bool* parameter to place_orphan_here.
10614         Add get_output_section virtual function.
10615         (class Output_section_definition): Add set_is_relro.  Add new
10616         bool* parameter to place_orphan_here.  Add get_output_section.
10617         Add is_relro_ field.
10618         (Output_section_definition::Output_section_definition): Initialize
10619         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10620         and is_relro_ fields.
10621         (Output_section_definition::place_orphan_here): Add is_relro
10622         parameter.
10623         (Output_section_definition::set_section_addresses): Set relro for
10624         output section.
10625         (Output_section_definition::alternate_constraint): Likewise.
10626         (class Orphan_output_section): Add new bool* parameter to
10627         place_orphan_here.  Add get_output_section.
10628         (Orphan_output_section::place_orphan_here): Add is_relro
10629         parameter.
10630         (Script_sections::Script_sections): Initialize
10631         data_segment_align_index_ and saw_relro_end_.
10632         (Script_sections::data_segment_align): New function.
10633         (Script_sections::data_segment_relro_end): New function.
10634         (Script_sections::place_orphan): Set or clear is_relro.
10635         (Script_sections::set_section_addresses): Force alignment of first
10636         TLS section.
10637         * yyscript.y (exp): Call script_data_segment_align and
10638         script_data_segment_relro_end.
10639         * testsuite/relro_script_test.t: New file.
10640         * testsuite/relro_test.cc (using_script): Declare.
10641         (t1, t2): Test using_script.
10642         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10643         (relro_script_test_SOURCES): Define.
10644         (relro_script_test_DEPENDENCIES): Define.
10645         (relro_script_test_LDFLAGS): Define.
10646         (relro_script_test_LDADD): Define.
10647         (relro_script_test.so): New target.
10648         * testsuite/Makefile.in: Rebuild.
10649
10650 2008-08-06  Cary Coutant <ccoutant@google.com>
10651
10652         * archive.cc (Archive::total_archives, Archive::total_members)
10653         (Archive::total_members_loaded): New variables.
10654         (Archive::setup): Add parameter.  Add option to preread
10655         archive symbols.
10656         (Archive::read_armap): Add counter.
10657         (Archive::get_file_and_offset): New function.
10658         (Archive::get_elf_object_for_member): New function.
10659         (Archive::read_all_symbols): New function.
10660         (Archive::read_symbols): New function.
10661         (Archive::add_symbols): Add counters.
10662         (Archive::include_all_members): Use armap to find members if it's
10663         already built.
10664         (Archive::include_member): Skip reading symbols if already read.
10665         Factored code into Archive::get_file_and_offset and
10666         Archive::get_elf_object_for_member.  Changed call to
10667         Mapfile::report_include_archive_member.
10668         (Archive::print_stats): New function.
10669         * archive.h: Declare Object and Read_symbols_data classes.
10670         (Archive::Archive): Add initializers for new members.
10671         (Archive::setup): Add parameter.
10672         (Archive::print_stats): New function.
10673         (Archive::total_archives, Archive::total_members)
10674         (Archive::total_members_loaded): New variables.
10675         (Archive::get_file_and_offset): New function.
10676         (Archive::get_elf_object_for_member): New function.
10677         (Archive::read_all_symbols): New function.
10678         (Archive::read_symbols): New function.
10679         (Archive::Archive_member): New class.
10680         (Archive::members_): New member.
10681         (Archive::num_members_): New member.
10682         * main.cc: Include archive.h.
10683         (main): Call Archive::print_stats.
10684         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10685         archive parameter; member_name is now the fully-decorated name.
10686         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10687         * options.h: (General_options): Add --preread-archive-symbols option.
10688         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10689         Archive::setup.
10690
10691 2008-08-04  Ian Lance Taylor  <iant@google.com>
10692
10693         * symtab.h (Symbol::use_plt_offset): New function.
10694         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10695         * powerpc.cc (Relocate::relocate): Likewise.
10696         * sparc.cc (Relocate::relocate): Likewise.
10697         * x86_64.cc (Relocate::relocate): Likewise.
10698         * testsuite/weak_plt.sh: New test.
10699         * testsuite/weak_plt_main.cc: New test.
10700         * testsuite/weak_plt_shared.cc: New test.
10701         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10702         (check_PROGRAMS): Add weak_plt.
10703         (check_DATA): Add weak_plt_shared.so.
10704         (weak_plt_main_pic.o, weak_plt): New targets.
10705         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10706         * testsuite/Makefile.in: Rebuild.
10707
10708         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10709         gcctestdir/ld.
10710         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10711         * testsuite/Makefile.in: Rebuild.
10712
10713 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10714
10715         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10716         * Makefile.in: Regenerate.
10717         * po/POTFILES.in: Regenerate.
10718
10719 2008-07-29  Ian Lance Taylor  <iant@google.com>
10720
10721         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10722         symbols before other symbols.
10723         * testsuite/script_test_2.cc (test_addr): Declare.
10724         (test_addr_alias): Declare.
10725         (main): Check that test_addr and test_addr_alias have the right
10726         values.
10727         * testsuite/script_test_2.t: Define test_addr_alias and
10728         test_addr.
10729
10730 2008-07-24  Ian Lance Taylor  <iant@google.com>
10731
10732         PR 5990
10733         * descriptors.cc: New file.
10734         * descriptors.h: New file.
10735         * gold-threads.h (class Hold_optional_lock): New class.
10736         * fileread.cc: Include "descriptors.h".
10737         (File_read::~File_read): Release descriptor rather than closing
10738         it.
10739         (File_read::open) [file]: Call open_descriptor rather than open.
10740         Set is_descriptor_opened_.
10741         (File_read::open) [memory]: Assert that descriptor is not open.
10742         (File_read::reopen_descriptor): New function.
10743         (File_read::release): Release descriptor.
10744         (File_read::do_read): Make non-const.  Reopen descriptor.
10745         (File_read::read): Make non-const.
10746         (File_read::make_view): Reopen descriptor.
10747         (File_read::do_readv): Likewise.
10748         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10749         Update declarations.
10750         * layout.cc: Include "descriptors.h".
10751         (Layout::create_build_id): Use open_descriptor rather than open.
10752         * output.cc: Include "descriptors.h".
10753         (Output_file::open): Use open_descriptor rather than open.
10754         * archive.cc (Archive::const_iterator): Change Archive to be
10755         non-const.
10756         (Archive::begin, Archive::end): Make non-const.
10757         (Archive::count_members): Likewise.
10758         * archive.h (class Archive): Update declarations.
10759         * object.h (Object::read): Make non-const.
10760         * Makefile.am (CCFILES): Add descriptors.cc.
10761         (HFILES): Add descriptors.h.
10762         * Makefile.in: Rebuild.
10763
10764         PR 6716
10765         * gold.h: Always include <clocale>.  Add Solaris workarounds
10766         following code in binutils/sysdep.h.
10767
10768         PR 6048
10769         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10770         this->eh_frame_hdr_ is NULL before using it.
10771
10772         * dynobj.cc (Versions::Versions): Update comment.
10773
10774         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10775         the base version name.
10776
10777         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10778         array size plus one.
10779         (Stringpool_template::set_string_offsets): Subtract one from key
10780         before using it as an array index.
10781         (Stringpool_template::get_offset_with_length): Likewise.
10782         (Stringpool_template::write_to_buffer): Likewise.
10783         * stringpool.h (Stringpool_template::get_offset_from_key):
10784         Likewise.
10785
10786 2008-07-23  Ian Lance Taylor  <iant@google.com>
10787
10788         PR 6658
10789         * object.h (Merged_symbol_value::value): Do our best to handle a
10790         negative addend.
10791
10792         PR 6647
10793         * script.cc (Version_script_info::get_versions): Don't add empty
10794         version tag to return value.
10795         (Version_script_info::get_symbol_version_helper): Change return
10796         type to bool.  Add pversion parameter.  Change all callers.
10797         (script_register_vers_node): Don't require a non-NULL tag.
10798         * script.h (class Version_script_info): Update declarations.
10799         (Version_script_info::get_symbol_version): Change return type to
10800         bool.  Add version parameter.  Change all callers.
10801         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10802         handling.  Handle an empty version from a version script.
10803         (Symbol_table::define_special_symbol): Likewise.
10804         * testsuite/ver_test_10.script: New file.
10805         * testsuite/ver_test_10.sh: New file.
10806         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10807         (check_DATA): Add ver_test_10.syms.
10808         (ver_test_10.syms, ver_test_10.so): New target.
10809         * testsuite/Makefile.in: Rebuild.
10810
10811 2008-07-23  Simon Baldwin  <simonb@google.com>
10812
10813         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10814         to zero for undefined symbols from dynamic libraries.
10815
10816 2008-07-23  Ian Lance Taylor  <iant@google.com>
10817
10818         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10819         Change all callers.
10820         * symtab.h (class Symbol_table): Update declaration.
10821         * testsuite/ver_test_9.cc: New file.
10822         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10823         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10824         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10825         (ver_test_9.so, ver_test_9.o): New targets.
10826         * testsuite/Makefile.in: Rebuild.
10827
10828 2008-07-22  Ian Lance Taylor  <iant@google.com>
10829
10830         * options.h (class General_options): Define --check-sections.
10831         * layout.cc (Layout::set_segment_offsets): Handle
10832         --check-sections.
10833
10834         * options.h (class General_options): Define -n/--nmagic and
10835         -N/--omagic.
10836         * options.cc (General_options::finalize): For -n/--nmagic or
10837         -N/--omagic, set -static.
10838         * layout.cc (Layout::attach_allocated_section_to_segment): If
10839         -N/--omagic, don't put read-only and read-write sections in
10840         different segments.
10841         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10842         finding a read-only segment.
10843         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10844         don't set the minimum segment alignment to the common page size,
10845         and don't set the file offset to the address modulo the page size.
10846         * script-sections.cc (Script_sections::create_segments): If
10847         -n/--omagic, don't put read-only and read-write sections in
10848         different segments.
10849
10850         * cref.cc: New file.
10851         * cref.h: New file.
10852         * options.h (class General_options): Add --print-symbol-counts.
10853         * main.cc (main): Issue defined symbol report if requested.
10854         * archive.cc (Archive::interpret_header): Make into a const member
10855         function.
10856         (Archive::add_symbols): Call Input_objects::archive_start and
10857         archive_stop.
10858         (Archive::const_iterator): Define new class.
10859         (Archive::begin, Archive::end): New functions.
10860         (Archive::include_all_members): Rewrite to use iterator.
10861         (Archive::count_members): New function.
10862         * archive.h (class Archive): Update declarations.
10863         (Archive::filename): New function.
10864         * object.cc: Include "cref.h".
10865         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10866         (Sized_relobj::do_get_global_symbol_counts): New function.
10867         (Input_objects::add_object): Add object to cross-referencer.
10868         (Input_objects::archive_start): New function.
10869         (Input_objects::archive_stop): New function.
10870         (Input_objects::print_symbol_counts): New function.
10871         * object.h: Declare Cref and Archive.
10872         (Object::get_global_symbol_counts): New function.
10873         (Object::do_get_global_symbol_counts): New pure virtual function.
10874         (class Sized_relobj): Add defined_count_ field.  Update
10875         declarations.
10876         (class Input_objects): Add cref_ field.  Update constructor.
10877         Update declarations.
10878         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10879         defined_count_.
10880         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10881         symbol counts.
10882         (Sized_dynobj::do_get_global_symbol_counts): New function.
10883         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10884         defined_count_.  Update declarations.  Define Symbols typedef.
10885         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10886         parameter.  Change all callers.
10887         (Symbol_table::add_from_dynobj): Add sympointers and defined
10888         parameters.  Change all callers.
10889         * symtab.h (class Symbol_table): Update declarations.
10890         * Makefile.am (CCFILES): Add cref.cc.
10891         (HFILES): Add cref.h.
10892         * Makefile.in: Rebuild.
10893
10894 2008-07-22  Simon Baldwin  <simonb@google.com>
10895
10896         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10897         to zero when writing undefined symbols.
10898
10899 2008-07-22  Ian Lance Taylor  <iant@google.com>
10900
10901         * output.cc (Output_section::add_input_section): Don't try to
10902         merge empty merge sections.
10903
10904 2008-07-21  Craig Silverstein  <csilvers@google.com>
10905
10906         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10907         Include symbol version in error message.
10908
10909 2008-07-20  Chris Demetriou  <cgd@google.com>
10910
10911         * configure.ac (gold_cv_c_random_seed): New configured variable.
10912         (RANDOM_SEED_CFLAGS): New substituted variable.
10913         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10914         * configure: Rebuild.
10915         * Makefile.in: Likewise.
10916         * testsuite/Makefile.in: Likewise.
10917
10918 2008-07-18  Ian Lance Taylor  <iant@google.com>
10919
10920         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10921         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10922         * testsuite/ver_test_main.cc (main): Call t4.
10923         (t4, t4_2a): Define.
10924         * testsuite/ver_test_2.cc (t4_2): Define.
10925         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10926         * testsuite/ver_test_4.cc (t4_2a): Define.
10927         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10928         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10929
10930 2008-07-17  Ian Lance Taylor  <iant@google.com>
10931
10932         * dynobj.cc (Versions::add_def): If we give an error about a
10933         missing version, go ahead and create the version anyhow.
10934
10935 2008-07-10  Ian Lance Taylor  <iant@google.com>
10936
10937         Handle output sections with more than 0x7fffffff bytes.
10938         * object.h (class Relobj): Change map_to_output_ to
10939         output_sections_, and just keep a section pointer.  Change all
10940         uses.  Move comdat group support to Sized_relobj.
10941         (Relobj::is_section_specially_mapped): Remove.
10942         (Relobj::output_section): Remove poff parameter.  Change all
10943         callers.
10944         (Relobj::output_section_offset): New function.
10945         (Relobj::set_section_offset): Rewrite.
10946         (Relobj::map_to_output): Remove.
10947         (Relobj::output_sections): New function.
10948         (Relobj::do_output_section_offset): New pure virtual function.
10949         (Relobj::do_set_section_offset): Likewise.
10950         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10951         group support from Relobj.  Update declarations.
10952         (Sized_relobj::get_output_section_offset): New function.
10953         (Sized_relobj::do_output_section_offset): New function.
10954         (Sized_relobj::do_set_section_offset): New function.
10955         * object.cc (Relobj::output_section_address): Remove.
10956         (Sized_relobj::Sized_relobj): Initialize new fields.
10957         (Sized_relobj::include_section_group): Cast find_kept_object to
10958         Sized_relobj.
10959         (Sized_relobj::include_linkonce_section): Likewise.
10960         (Sized_relobj::do_layout): Use separate arrays for output section
10961         and output offset.
10962         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10963         output_sections.
10964         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10965         output_sections and section_offsets.
10966         (Sized_relobj::write_local_symbols): Likewise.
10967         (map_to_kept_section): Compute output address directly.
10968         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10969         output_sections and section_offsets.
10970         (Sized_relobj::write_sections): Likewise.
10971         (Sized_relobj::relocate_sections): Likewise.
10972         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10973         * output.h (class Output_reloc): Update declarations.  Change
10974         u2_.relobj to Sized_relobj*.
10975         (class Output_data_reloc): Change add functions to use
10976         Sized_relobj*.
10977         * output.cc (Output_reloc::Output_reloc): Change relobj to
10978         Sized_relobj*.
10979         (Output_reloc::local_section_offset): Change return type to
10980         Elf_Addr.  Use get_output_section_offset.
10981         (Output_reloc::get_address): Likewise.
10982         (Output_section::is_input_address_mapped): Don't call
10983         is_section_specially_mapped.
10984         (Output_section::output_offset): Likewise.
10985         (Output_section::output_address): Likewise.
10986         (Output_section::starting_output_address): Likewise.
10987         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10988         parameter to Sized_relobj*.
10989         (Copy_relocs::need_copy_reloc): Likewise.
10990         (Copy_relocs::save): Likewise.
10991         * copy-relocs.h (class Copy_relocs): Update declarations.
10992         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10993         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10994         * target-reloc.h (relocate_for_relocatable): Change
10995         offset_in_output_section type to Elf_Addr.  Change code that uses
10996         it as well.
10997         * layout.cc (Layout::layout): Always set *off.
10998         * mapfile.cc (Mapfile::print_input_section): Use
10999         output_section_offset.
11000         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11001         Sized_relobj*.
11002         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11003         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11004         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11005
11006 2008-07-03  Ian Lance Taylor  <iant@google.com>
11007
11008         * layout.cc (Layout::include_section): Do not discard unrecognized
11009         SHT_STRTAB sections.
11010
11011 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11012
11013         * script.cc (Lex::can_continue_name): Make '?' allowable in
11014         version-script names.
11015         * testsuite/version_script.map: Change glob pattern to use '?'
11016
11017 2008-06-30  Manish Singh  <yosh@gimp.org>
11018
11019         PR 6585
11020         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11021         Correct typo.
11022
11023 2008-06-30  Ian Lance Taylor  <iant@google.com>
11024
11025         PR 6660
11026         PR 6682
11027         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11028         versions]: Don't try to read the value in the contents, since we
11029         don't use it.  Use the template endianness when writing.
11030
11031 2008-06-25  Cary Coutant  <ccoutant@google.com>
11032
11033         * fileread.cc (File_read::make_view): Assert on zero-length view.
11034         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11035         symbol table when there are no symbols to read.
11036
11037 2008-06-23  Craig Silverstein  <csilvers@google.com>
11038
11039         * version.cc (version_string): Bump to 1.7
11040
11041 2008-06-18  Craig Silverstein  <csilvers@google.com>
11042
11043         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11044         constant 0xFFFF to type Valtype.
11045         (Powerpc_relocate_functions::rel16_ha): Likewise.
11046
11047 2008-06-17  Ian Lance Taylor  <iant@google.com>
11048
11049         * output.h (Output_section::Input_section): Initialize p2align_ to
11050         zero for Output_section_data constructors.
11051         (Output_section::Input_section::addralign): If not an input
11052         section, return the alignment of the Output_section_data.
11053         * testsuite/copy_test.cc: New file.
11054         * testsuite/copy_test_1.cc: New file.
11055         * testsuite/copy_test_2.cc: New file.
11056         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11057         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11058         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11059         (copy_test_1_pic.o, copy_test_1.so): New targets.
11060         (copy_test_2_pic.o, copy_test_2.so): New targets.
11061         * testsuite/Makefile.in: Rebuild.
11062
11063         * script-sections.cc (Script_sections::place_orphan): Initialize
11064         local variable exact.
11065
11066 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11067
11068         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11069
11070 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11071             David S. Miller  <davem@davemloft.net>
11072
11073         * powerpc.cc: New file.
11074         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11075         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11076         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11077         * Makefile.in: Rebuild.
11078
11079 2008-06-09  Ian Lance Taylor  <iant@google.com>
11080
11081         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11082         <exception>.
11083         (throwing, orig_terminate): New static variables.
11084         (terminate_handler): New static function.
11085         (t2): Set terminate handler.
11086
11087 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11088
11089         PR 6584
11090         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11091         alignment.
11092
11093 2008-05-30  Cary Coutant  <ccoutant@google.com>
11094
11095         * archive.cc (Archive::include_all_members) Correct to step
11096         over symbol table and extended name table in thin archives.
11097
11098 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11099
11100         PR 6407
11101         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11102         calculation.
11103
11104 2008-05-28  Caleb Howe  <cshowe@google.com>
11105
11106         * reduced_debug_output.cc: New file.
11107         * reduced_debug_output.h: New file.
11108         * options.h (class General_options): Add --strip-debug-non-line.
11109         * options.cc (General_options::finalize): Add strip_debug_non_line
11110         to the strip heirarchy.
11111         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11112         fields.
11113         * layout.cc: Include "reduced_debug_output.h".
11114         (Layout::Layout): Initialize new fields.
11115         (line_only_debug_sections): New static array.
11116         (is_lines_only_debug_sections): New static inline function.
11117         (Layout::include_section): Handle --strip-debug-non-line.
11118         (Layout::make_output_section): If --strip-debug-non-line, build
11119         new output sections for .debug_abbrev and .debug_info.
11120         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11121         gold.  Warn about possible overflow.
11122         (read_signed_LEB_128): Likewise.
11123         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11124         (read_signed_LEB_128): Declare.
11125         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11126         (HFILES): Add reduced_debug_output.h.
11127         * Makefile.in: Rebuild.
11128
11129 2008-05-21  Ian Lance Taylor  <iant@google.com>
11130
11131         * mapfile.cc: New file.
11132         * mapfile.h: New file.
11133         * options.h (class General_options): Add -M/--print-map and -Map.
11134         * options.cc (General_options::finalize): Make -M equivalent to
11135         -Map -.
11136         * main.cc: Include <cstdio> and "mapfile.h".
11137         (main): Open mapfile if requested.
11138         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11139         constructor.  Change caller.
11140         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11141         (queue_middle_tasks): Likewise.
11142         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11143         declarations.
11144         * archive.cc: Include "mapfile.h".
11145         (Archive::add_symbols): Add mapfile parameter.  Change all
11146         callers.  Pass mapfile, symbol, and reason to include_member.
11147         (Archive::include_all_members): Add mapfile parameter.  Change all
11148         callers.
11149         (Archive::include_member): Add mapfile, sym, and why parameters.
11150         Change all callers.  Report inclusion to map file.
11151         * archive.h: Include "fileread.h".
11152         (class Archive): Update declarations.
11153         (Archive::file): New const method.
11154         (class Add_archive_symbols): Add mapfile_ field.  Update
11155         constructor.  Change all callers.
11156         * readsyms.h (class Read_symbols): Likewise.
11157         (class Finish_group): Likewise.
11158         (class Read_script): Likewise.
11159         * common.cc: Include "mapfile.h".
11160         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11161         all callers.
11162         (Symbol_table::do_allocate_commons): Likewise.
11163         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11164         symbol allocation to mapfile.
11165         * common.h (class Allocate_commons_task): Add mapfile_ field.
11166         Update constructor.  Change all callers.
11167         * symtab.h (class Symbol_table): Update declarations.
11168         * layout.cc: Include "mapfile.h".
11169         (Layout_task_runner::run): Print information to mapfile.
11170         (Layout::create_gold_note): Change Output_data_fixed_space to
11171         Output_data_zero_fill.
11172         (Layout::create_build_id): Likewise.
11173         (Layout::print_to_mapfile): New function.
11174         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11175         constructor.  Change caller.
11176         (class Layout): Declare print_to_mapfile.
11177         * output.cc (Output_section::Input_section::print_to_mapfile): New
11178         function.
11179         (Output_section::add_input_section): If producing a map, always
11180         add to input_sections_ list.
11181         (Output_section::do_print_to_mapfile): New function.
11182         (Output_segment::print_sections_to_mapfile): New function.
11183         (Output_segment::print_section_list_to_mapfile): New function.
11184         * output.h: Include "mapfile.h".
11185         (Output_data::print_to_mapfile): New function.
11186         (Output_data::do_print_to_mapfile): New virtual function.
11187         (Output_segment_headers::do_print_to_mapfile): New function.
11188         (Output_file_header::do_print_to_mapfile): New function.
11189         (Output_data_const::do_print_to_mapfile): New function.
11190         (class Output_data_const_buffer): Add map_name_ field.  Update
11191         constructor.  Change all callers.  Add do_print_to_mapfile
11192         function.
11193         (class Output_data_fixed_space): Likewise.
11194         (class Output_data_space): Likewise.
11195         (class Output_data_zero_fill): New class.
11196         (Output_data_strtab::do_print_to_mapfile): New function.
11197         (Output_data_reloc_base::do_print_to_mapfile): New function.
11198         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11199         (Output_data_group::do_print_to_mapfile): New function.
11200         (Output_data_got::do_print_to_mapfile): New function.
11201         (Output_data_dynamic::do_print_to_mapfile): New function.
11202         (Output_symtab_xindex::do_print_to_mapfile): New function.
11203         (class Output_section): Declare do_print_to_mapflie.  Declare
11204         print_to_mapfile in Input_section.
11205         (class Output_segment): Declare new functions.
11206         * object.h (Sized_relobj::symbol_count): New function.
11207         * script-sections.cc
11208         (Output_section_element_dot_assignment::set_section_addresses):
11209         Change Output_data_fixed_space to Output_data_zero_fill.
11210         (Output_data_expression::do_print_to_mapfile): New function.
11211         * script.cc (read_input_script): Add mapfile parameter.  Change
11212         all callers.
11213         * script.h (read_input_script): Update declaration.
11214         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11215         (Eh_frame::do_print_to_mapfile): New function.
11216         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11217         (Output_merge_string::do_print_to_mapfile): New function.
11218         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11219         function.
11220         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11221         function.
11222         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11223         function.
11224         * Makefile.am (CCFILES): Add mapfile.cc.
11225         (HFILES): Add mapfile.h.
11226         * Makefile.in: Rebuild.
11227
11228 2008-05-19  Ian Lance Taylor  <iant@google.com>
11229
11230         * options.h (class General_options): Add -z relro.
11231         * layout.cc (Layout::Layout): Initialize relro_segment_.
11232         (Layout::add_output_section_data): Return the output section.
11233         (Layout::make_output_section): Rcognize relro sections and mark
11234         them appropriately.
11235         (Layout::attach_allocated_section_to_segment): Put relro sections
11236         in a PT_GNU_RELRO segment.
11237         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11238         section as relro.
11239         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11240         PT_TLS segments.
11241         (Layout::linkonce_mapping): Map d.rel.ro.local to
11242         .data.rel.ro.local.
11243         (Layout::output_section_name): Us .data.rel.ro.local for any
11244         section which begins with that.
11245         * layout.h (class Layout): Update add_output_section_data
11246         declaration.  Add relro_segment_ field.
11247         * output.cc (Output_section::Output_section): Initialize is_relro_
11248         and is_relro_local_ fields.
11249         (Output_segment::add_output_section): Group relro sections.
11250         (Output_segment::is_first_section_relro): New function.
11251         (Output_segment::maximum_alignment): If there is a relro section,
11252         align the segment to the common page size.
11253         (Output_segment::set_section_addresses): Track whether we are
11254         looking at relro sections.  If the last section is a relro
11255         section, align to the common page size.
11256         (Output_segment::set_section_list_addresses): Add in_relro
11257         parameter.  Change all callers.  Align to the page size when
11258         moving from relro to non-relro section.
11259         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11260         segment.
11261         * output.h (class Output_section): Add is_relro_ and
11262         is_relro_local_ fields.
11263         (Output_section::is_relro): New function.
11264         (Output_section::set_is_relro): New function.
11265         (Output_section::is_relro_local): New function.
11266         (Output_section::set_is_relro_local): New function.
11267         (class Output_segment): Update declarations.
11268         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11269         * sparc.cc (Target_sparc::got_section): Likewise.
11270         * x86_64.cc (Target_x86_64::got_section): Likewise.
11271         * testsuite/relro_test_main.cc: New file.
11272         * testsuite/relro_test.cc: New file.
11273         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11274         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11275         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11276         (relro_test.so, relro_test_pic.o): New targets.
11277         * testsuite/Makefile.in: Rebuild.
11278
11279 2008-05-16  Ian Lance Taylor  <iant@google.com>
11280
11281         * output.cc (Output_segment::add_output_section): Remove front
11282         parameter.
11283         * output.h (class Output_segment): Remove
11284         add_initial_output_section and overloaded add_output_section.
11285         Update declaration of remaining add_output_section.
11286         * layout.cc (Layout::create_interp): Call add_output_section
11287         rather than add_initial_output_section.
11288         (Layout::finish_dynamic_section): Likewise.
11289
11290         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11291         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11292         know the dynamic type.
11293         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11294         field.  Initialize it in constructor.
11295         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11296         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11297         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11298         reloc.
11299
11300         * output.cc (Output_reloc::get_address): Change return type to
11301         Elf_Addr.
11302         * output.h (class Output_reloc): Update get_address declaration.
11303         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11304         for section addresses.
11305
11306 2008-05-09  Ian Lance Taylor  <iant@google.com>
11307
11308         PR 6493
11309         * gold.cc (gold_nomem): Use return value of write.
11310
11311 2008-05-08  Ian Lance Taylor  <iant@google.com>
11312
11313         * symtab.c (Symbol::init_base_output_data): Add version
11314         parameter.  Change all callers.
11315         (Symbol::init_base_output_segment): Likewise.
11316         (Symbol::init_base_constant): Likewise.
11317         (Symbol::init_base_undefined): Likewise.
11318         (Sized_symbol::init_output_data): Likewise.
11319         (Sized_symbol::init_output_segment): Likewise.
11320         (Sized_symbol::init_constant): Likewise.
11321         (Sized_symbol::init_undefined): Likewise.
11322         (Symbol_table::do_define_in_output_data): If the new symbol has a
11323         version, mark it as the default.
11324         (Symbol_table::do_define_in_output_segment): Likewise.
11325         (Symbol_table::do_define_as_constant): Likewise.
11326         * symtab.h (class Symbol): Update declarations.
11327         (class Sized_symbol): Likewise.
11328         * resolve.cc (Symbol::override_version): New function.
11329         (Symbol::override_base): Call override_version.
11330         (Symbol::override_base_with_special): Likewise.
11331         * testsuite/ver_script_8.script: New file.
11332         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11333         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11334         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11335         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11336
11337 2008-05-06  Ian Lance Taylor  <iant@google.com>
11338
11339         PR 6049
11340         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11341         functions.
11342         (class General_options): Remove existing --undefined, and add
11343         --no-undefined instead.  Add new --undefined as synonym for -u.
11344         * archive.cc (Archive::add_symbols): Check whether symbol was
11345         named with -u.
11346         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11347         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11348         all uses.  Add IS_UNDEFINED.  Update declarations to split
11349         different versions of init_base.  Declare init_base_undefined.
11350         (Symbol::is_defined): Handle IS_UNDEFINED.
11351         (Symbol::is_undefined): Likewise.
11352         (Symbol::is_weak_undefined): Call is_undefined.
11353         (Symbol::is_absolute): Handle IS_CONSTANT.
11354         (class Sized_symbol): Update declarations to split different
11355         versions of init.  Declare init_undefined.
11356         (class Symbol_table): Declare new functions.
11357         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11358         Change all callers.
11359         (Symbol::init_base_output_data): Likewise.
11360         (Symbol::init_base_output_segment): Likewise.
11361         (Symbol::init_base_constant): Likewise.
11362         (Symbol::init_base_undefined): New function.
11363         (Sized_symbol::init_object): Rename from init.  Change all
11364         callers.
11365         (Sized_symbol::init_output_data): Likewise.
11366         (Sized_symbol::init_output_segment): Likewise.
11367         (Sized_symbol::init_constant): Likewise.
11368         (Sized_symbol::init_undefined): New function.
11369         (Symbol_table::add_undefined_symbols_from_command_line): New
11370         function.
11371         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11372         function.
11373         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11374         (Symbol::output_section): Likewise.
11375         (Symbol::set_output_section): Likewise.
11376         (Symbol_table::sized_finalize_symbol): Likewise.
11377         (Symbol_table::sized_write_globals): Likewise.
11378         * resolve.cc (Symbol_table::should_override): Likewise.
11379         (Symbol::override_base_with_special): Likewise.
11380
11381         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11382         symbol, change it to have default visibility.
11383         * testsuite/protected_1.cc: New file.
11384         * testsuite/protected_2.cc: New file.
11385         * testsuite/protected_3.cc: New file.
11386         * testsuite/protected_main_1.cc: New file.
11387         * testsuite/protected_main_2.cc: New file.
11388         * testsuite/protected_main_3.cc: New file.
11389         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11390         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11391         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11392         (protected_1.so): New target.
11393         (protected_1_pic.o, protected_2_pic.o): New targets.
11394         (protected_3_pic.o): New target.
11395         (check_PROGRAMS): Add protected_2.
11396         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11397         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11398         * testsuite/Makefile.in: Rebuild.
11399
11400         * options.h (DEFINE_var): Add set_user_set_##varname__.
11401         (DEFINE_bool_alias): New macro.
11402         (class General_options): Define -Bstatic using DEFINE_bool_alias
11403         rather than DEFINE_special.  Add --undefined as an alias for -z
11404         defs.
11405         * options.cc (General_options::parse_Bstatic): Remove.
11406
11407         * options.h (class General_options): Add --fatal-warnings.
11408         * main.cc (main): Implement --fatal-warnings.
11409         * errors.h (Errors::warning_count): New function.
11410
11411         * options.h (class General_options): Add -Bsymbolic-functions.
11412         * symtab.h (Symbol::is_preemptible): Check for
11413         -Bsymbolic-functions.
11414
11415 2008-05-05  Ian Lance Taylor  <iant@google.com>
11416
11417         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11418         as noVARNAME rather than no-VARNAME.
11419         (class General_options): Add option -z combreloc.
11420         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11421         get_address.
11422         (Output_reloc::sort_before) [SHT_REL]: New function.
11423         (Output_reloc::sort_before) [SHT_RELA]: New function.
11424         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11425         Sort_relocs_comparison.
11426         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11427         parameter.  Change all callers.
11428         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11429         sort_relocs parameter.  Change all callers.
11430         * output.cc (Output_reloc::get_address): New function, broken out
11431         of write_rel.
11432         (Output_reloc::write_rel): Call it.
11433         (Output_reloc::compare): New function.
11434         (Output_data_reloc_base::do_write): Optionally sort relocs.
11435
11436         * configure.ac: If targ_extra_obj is set, link it in.
11437         * configure.tgt: Initialize all variables.
11438         (x86_64*): Set targ_extra_obj and targ_extra_size.
11439         * configure: Rebuild.
11440
11441         * object.cc (Sized_relobj::include_section_group): Adjust section
11442         indexes read from group data.  Build vector to pass to
11443         layout_group.
11444         * layout.cc (Layout::layout_group): Add flags and shndxes
11445         parameters.  Remove contents parameter.  Change caller.  Update
11446         explicit instantiations.
11447         * layout.h (class Layout): Update layout_group declaration.
11448         * output.cc (Output_data_group::Output_data_group): Add flags and
11449         input_shndxes parameters.  Remove contents parameter.  Change
11450         caller.
11451         (Output_data_group::do_write): Change input_sections_ to
11452         input_shndxes_.
11453         * output.h (class Output_data_group): Update constructor
11454         declaration.  Rename input_sections_ to input_shndxes_.
11455         * testsuite/many_sections_test.cc: Add template.
11456
11457 2008-04-30  Cary Coutant  <ccoutant@google.com>
11458
11459         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11460
11461         * layout.cc (Layout::include_section): Refactored check for debug
11462         info section.
11463         (Layout::add_comdat): Add new parameters.  Change type
11464         of signature parameter.  Add object and shndx to signatures table.
11465         (Layout::find_kept_object): New function.
11466         * layout.h: Include <cstring>.
11467         (Layout::is_debug_info_section): New function.
11468         (Layout::add_comdat): Add new parameters.
11469         (Layout::find_kept_object): New function.
11470         (Layout::Kept_section): New struct.
11471         (Layout::Signatures): Change type of map range.
11472         * object.cc (Relobj::output_section_address): New function.
11473         (Sized_relobj::include_section_group): Add new parameters.  Change
11474         calls to Layout::add_comdat.  Change to build table of kept comdat
11475         groups and table mapping discarded sections to kept sections.
11476         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11477         (Sized_relobj::do_layout): Change calls to include_section_group and
11478         include_linkonce_section.
11479         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11480         value to zero when section is discarded.
11481         (Sized_relobj::map_to_kept_section): New function.
11482         * object.h (Relobj::output_section_address): New function.
11483         (Relobj::Comdat_group): New type.
11484         (Relobj::find_comdat_group): New function.
11485         (Relobj::Comdat_group_table): New type.
11486         (Relobj::Kept_comdat_section): New type.
11487         (Relobj::Kept_comdat_section_table): New type.
11488         (Relobj::add_comdat_group): New function.
11489         (Relobj::set_kept_comdat_section): New function.
11490         (Relobj::get_kept_comdat_section): New function.
11491         (Relobj::comdat_groups_): New field.
11492         (Relobj::kept_comdat_sections_): New field.
11493         (Symbol_value::input_value): Update comment.
11494         (Sized_relobj::map_to_kept_section) New function.
11495         (Sized_relobj::include_linkonce_section): Add new parameter.
11496         * target-reloc.h (Comdat_behavior): New type.
11497         (get_comdat_behavior): New function.
11498         (relocate_section): Add code to map a discarded section to the
11499         corresponding kept section when applying a relocation.
11500
11501 2008-04-30  Craig Silverstein  <csilvers@google.com>
11502
11503         * dwarf_reader.cc (next_generation_count): New static var.
11504         (Addr2line_cache_entry): New struct.
11505         (addr2line_cache): New static var.
11506         (Dwarf_line_info::one_addr2line): Added caching.
11507         (Dwarf_line_info::clear_addr2line_cache): New function.
11508         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11509         cache-size parameter.
11510         (Dwarf_line_info::one_addr2line_cache): New function.
11511         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11512         new cache-size argument to one_addr2line(), and clear cache.
11513
11514 2008-04-28  Cary Coutant  <ccoutant@google.com>
11515
11516         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11517         R_386_PC8 relocations.
11518
11519 2008-04-23  Ian Lance Taylor  <iant@google.com>
11520
11521         * object.cc (Sized_relobj::include_section_group): Check for
11522         invalid section group.
11523
11524         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11525         header size.
11526
11527         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11528         than read for file header.
11529         * archive.cc (Archive::include_member): Likewise.
11530
11531 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11532
11533         * aclocal.m4: Regenerate.
11534         * configure: Regenerate.
11535
11536 2008-04-19  Ian Lance Taylor  <iant@google.com>
11537
11538         * version.cc (version_string): Bump to 1.6.
11539
11540         * testsuite/Makefile.am (many_sections_r_test): New target.
11541         (many_sections_r_test_SOURCES): Remove.
11542         (many_sections_r_test_DEPENDENCIES): Remove.
11543         (many_sections_r_test_LDFLAGS): Remove.
11544         (many_sections_r_test_LDADD): Remove.
11545
11546         * object.cc (Sized_relobj::do_add_symbols): Always pass
11547         local_symbol_count_ to add_from_relobj.
11548
11549         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11550         every thousand variables.
11551         * testsuite/Makefile.in: Rebuild.
11552
11553         * object.cc (Xindex::initialize_symtab_xindex): New function.
11554         (Xindex::read_symtab_xindex): New function.
11555         (Xindex::sym_xindex_to_shndx): New function.
11556         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11557         available.
11558         (Sized_relobj::do_initialize_xindex): New function.
11559         (Sized_relobj::do_read_symbols): Adjust section links.
11560         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11561         parameter.  Change all callers.
11562         (Sized_relobj::include_section_group): Adjust section links and
11563         symbol section indexes.
11564         (Sized_relobj::do_layout): Adjust section links.
11565         (Sized_relobj::do_count_local_symbols): Adjust section links and
11566         symbol section indexes.
11567         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11568         ordinary and special symbols.
11569         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11570         dynsym_xindex parameters.  Change all callers.  Adjust section
11571         links.  Use SHN_XINDEX when needed.
11572         (Sized_relobj::get_symbol_location_info): Adjust section links.
11573         Don't get fooled by special symbols.
11574         * object.h (class Xindex): Define.
11575         (class Object): Add xindex_ parameter.  Declare virtual functoin
11576         do_initialize_xindex.
11577         (Object::adjust_sym_shndx): New function.
11578         (Object::set_xindex): New protected function.
11579         (class Symbol_value): Add is_ordinary_shndx_ field.
11580         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11581         (Symbol_value::value): Assert ordinary section.
11582         (Symbol_value::initialize_input_to_output_map): Likewise.
11583         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11584         Change all callers.
11585         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11586         all callers.
11587         (class Sized_relobj): Update declarations.
11588         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11589         parameter.  Change all callers.
11590         (Sized_relobj::adjust_shndx): New function.
11591         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11592         field.
11593         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11594         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11595         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11596         (Sized_dynobj::read_dynsym_section): Adjust section links.
11597         (Sized_dynobj::read_dynamic): Likewise.
11598         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11599         section links.
11600         (Sized_dynobj::do_initialize_xindex): New function.
11601         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11602         do_initialize_xindex.
11603         (Sized_dynobj::adjust_shndx): New function.
11604         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11605         dynsym_xindex_ fields.
11606         (Layout::finalize): Add a call to set_section_indexes before
11607         creating the symtab sections.
11608         (Layout::set_section_indexes): Don't do anything if the section
11609         already has a section index.
11610         (Layout::create_symtab_sections): Add shnum parameter.  Change
11611         caller.  Create .symtab_shndx section if needed.
11612         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11613         caller.
11614         (Layout::allocated_output_section_count): New function.
11615         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11616         needed.
11617         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11618         fields.  Update declarations.
11619         (Layout::symtab_xindex): New function.
11620         (Layout::dynsym_xindex): New function.
11621         (class Write_symbols_task): Add layout_ field.
11622         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11623         Change caller.
11624         * output.cc (Output_section_headers::Output_section_headers): Add
11625         shstrtab_section parameter.  Change all callers.
11626         (Output_section_headers::do_sized_write): Store overflow values
11627         for section count and section string table section index in
11628         section header zero.
11629         (Output_file_header::do_sized_write): Check for overflow of
11630         section count and section string table section index.
11631         (Output_symtab_xindex::do_write): New function.
11632         (Output_symtab_xindex::endian_do_write): New function.
11633         * output.h (class Output_section_headers): Add shstrtab_section_.
11634         Update declarations.
11635         (class Output_symtab_xindex): Define.
11636         (Output_section::has_out_shndx): New function.
11637         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11638         field.
11639         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11640         Change all callers.
11641         (Sized_symbol::init): Likewise.
11642         (Symbol::output_section): Check for ordinary symbol.
11643         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11644         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11645         callers.
11646         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11647         Change all callers.  Simplify handling of symbols from sections
11648         not included in the link.
11649         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11650         distinction.
11651         (Weak_alias_sorter::operator()): Assert that symbols are
11652         ordinary.
11653         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11654         distinction.
11655         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11656         parameters.  Change all callers.
11657         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11658         symbol distinction.  Use SHN_XINDEX when needed.
11659         (Symbol_table::write_section_symbol): Add symtab_xindex
11660         parameter.  Change all callers.
11661         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11662         SHN_XINDEX when needed.
11663         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11664         declarations.
11665         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11666         (Symbol::is_defined): Check is_ordinary.
11667         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11668         (Symbol::is_absolute, Symbol::is_common): Likewise.
11669         (class Sized_symbol): Update declarations.
11670         (class Symbol_table): Update declarations.
11671         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11672         parameters.  Change all callers.
11673         (Sized_symbol::override): Likewise.
11674         (Symbol_table::override): Likewise.
11675         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11676         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11677         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11678         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11679         to be in an ordinary section.
11680         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11681         object and is_ordinary parameters.  Change all callers.
11682         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11683         Change all callers.  Don't add undefined or non-ordinary symbols
11684         to reloc_map_.
11685         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11686         Change all callers.
11687         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11688         declarations.
11689         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11690         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11691         (Sized_relobj::relocate_sections): Likewise.
11692         * target-reloc.h (scan_relocs): Adjust section symbol index.
11693         (scan_relocatable_relocs): Likewise.
11694         * i386.cc (Scan::local): Check for ordinary symbols.
11695         * sparc.cc (Scan::local): Likewise.
11696         * x86_64.cc (Scan::local): Likewise.
11697         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11698         to symbol_section_and_value.
11699         * testsuite/many_sections_test.cc: New file.
11700         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11701         (check_PROGRAMS): Add many_sections_test.
11702         (many_sections_test_SOURCES): Define.
11703         (many_sections_test_DEPENDENCIES): Define.
11704         (many_sections_test_LDFLAGS): Define.
11705         (BUILT_SOURCES): Add many_sections_define.h.
11706         (many_sections_define.h): New target.
11707         (BUILT_SOURCES): Add many_sections_check.h.
11708         (many_sections_check.h): New target.
11709         (check_PROGRAMS): Add many_sections_r_test.
11710         (many_sections_r_test_SOURCES): Define.
11711         (many_sections_r_test_DEPENDENCIES): Define.
11712         (many_sections_r_test_LDFLAGS): Define.
11713         (many_sections_r_test_LDADD): Define.
11714         (many_sections_r_test.o): New target.
11715         * testsuite/Makefile.in: Rebuild.
11716
11717 2008-04-17  Cary Coutant  <ccoutant@google.com>
11718
11719         * errors.cc (Errors::info): New function.
11720         (gold_info): New function.
11721         * errors.h (Errors::info): New function.
11722         * gold.h (gold_info): New function.
11723         * object.cc (Input_objects::add_object): Print trace output.
11724         * options.cc (options::parse_set): New function.
11725         (General_options::parse_wrap): Deleted.
11726         (General_options::General_options): Deleted initializer.
11727         * options.h (options::String_set): New typedef.
11728         (options::parse_set): New function.
11729         (DEFINE_set): New macro.
11730         (General_options::wrap): Changed to use DEFINE_set. Changed
11731         callers of any_wrap_symbols and is_wrap_symbol.
11732         (General_options::trace, General_options::trace_symbol):
11733         New options.
11734         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11735         (General_options::wrap_symbols_): Deleted.
11736         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11737
11738 2008-04-17  David S. Miller  <davem@davemloft.net>
11739
11740         * options.cc (General_options::parse_V): New function.
11741         * options.h: Add entries for -V and -Qy.
11742
11743 2008-04-17  Ian Lance Taylor  <iant@google.com>
11744
11745         * common.cc (Symbol_table::allocate_commons): Remove options
11746         parameter.  Change caller.
11747         (Symbol_table::do_allocate_commons): Remove options parameter.
11748         Change caller.  Just call do_allocate_commons_list twice.
11749         (Symbol_table::do_allocate_commons_list): New function, broken out
11750         of do_allocate_commons.
11751         * common.h (class Allocate_commons_task): Remove options_ field.
11752         Update constructor.
11753         * symtab.cc (Symbol_table::Symbol_table): Initialize
11754         tls_commons_.
11755         (Symbol_table::add_from_object): Put TLS common symbols on
11756         tls_commons_ list.
11757         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11758         which are IN_OUTPUT_DATA.
11759         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11760         allocate_commons and do_allocate_commons declarations.  Declare
11761         do_allocate_commons_list.
11762         * gold.cc (queue_middle_tasks): Update creation of
11763         Allocate_commons_task to not pass options.
11764         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11765         (TLS_TEST_C_FLAGS): New variable.
11766         (tls_test_c_pic.o): New target.
11767         (tls_test_shared.so): Link in tls_test_c_pic.o.
11768         (tls_test_c_pic_ie.o): New target.
11769         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11770         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11771         (tls_test_c.o): New target.
11772         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11773         (tls_pic_test_LDADD): Likewise.
11774         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11775         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11776         (tls_test_c_gnu2.o): New target.
11777         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11778         tls_test_c_gnu2.o.
11779         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11780         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11781         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11782         * testsuite/tls_test.cc: Include "config.h".
11783         (t_last): Call t11_last.
11784         * testsuite/tls_test.h (t11, t11_last): Declare.
11785         * testsuite/tls_test_c.c: New file.
11786         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11787         * configure.ac: Check for OpenMP support.
11788         * configure, config.in, Makefile.in: Rebuild.
11789         * testsuite/Makefile.in: Rebuild.
11790
11791 2008-04-16  Cary Coutant  <ccoutant@google.com>
11792
11793         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11794         (Target_i386::tls_base_symbol_defined_): New field.
11795         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11796         (Target_i386::Scan::global): Likewise.
11797         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11798         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11799         (Target_x86_64::tls_base_symbol_defined_): New field.
11800         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11801         (Target_x86_64::Scan::global): Likewise.
11802
11803 2008-04-16  Cary Coutant  <ccoutant@google.com>
11804
11805         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11806         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11807         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11808         building shared libraries.
11809         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11810         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11811         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11812         * testsuite/Makefile.in: Rebuild.
11813         * testsuite/weak_undef.h: New file.
11814         * testsuite/weak_undef_file1.cc: Add extra test cases.
11815         * testsuite/weak_undef_file2.cc: Likewise.
11816         * testsuite/weak_undef_test.cc: Likewise.
11817
11818 2008-04-16  David S. Miller  <davem@davemloft.net>
11819
11820         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11821         Add issued_non_pic_error_ field.  Declare check_non_pic.
11822         (Target_sparc::Scan::check_non_pic): New function.
11823         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11824         (Target_sparc::Scan::global): Likewise.
11825
11826         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11827         * configure: Rebuild.
11828
11829         * options.h (DEFINE_enable): New macro.
11830         (new_dtags): New enable option.
11831         (initfirst, interpose, loadfltr, nodefaultlib,
11832         nodelete, nodlopen, nodump): New -z options.
11833         * layout.cc (Layout:finish_dynamic_section): If new
11834         dtags enabled, emit DT_RUNPATH.  Also, emit a
11835         DT_FLAGS_1 containing any specified -z flags.
11836
11837 2008-04-16  Ian Lance Taylor  <iant@google.com>
11838
11839         * copy-relocs.cc: New file.
11840         * copy-relocs.h: New file.
11841         * reloc.cc: Remove Copy_relocs code.
11842         * reloc.h: Likewise.
11843         * reloc-types.h (struct Reloc_types) [both versions]: Add
11844         get_reloc_addend_noerror.
11845         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11846         variants of add_global which take an addend which must be zero.
11847         * i386.cc: Include "copy-relocs.h".
11848         (class Target_i386): Change type of copy_relocs_ to variable,
11849         update initializer.
11850         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11851         Change all callers.
11852         (Target_i386::do_finalize_sections): Change handling of
11853         copy_relocs_.
11854         * sparc.cc: Include "copy-relocs.h".
11855         (class Target_sparc): Change type of copy_relocs_ to variable,
11856         update initializer.
11857         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11858         Change all callers.
11859         (Target_sparc::do_finalize_sections): Change handling of
11860         copy_relocs_.
11861         * x86_64.cc: Include "copy-relocs.h".
11862         (class Target_x86_64): Change type of copy_relocs_ to variable,
11863         update initializer.
11864         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11865         class.  Change all callers.
11866         (Target_x86_64::do_finalize_sections): Change handling of
11867         copy_relocs_.
11868         * Makefile.am (CCFILES): Add copy-relocs.cc.
11869         (HFILES): Add copy-relocs.h.
11870
11871         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11872
11873         * testsuite/script_test_4.sh: Permit leading zeroes.
11874
11875 2008-04-15  Ian Lance Taylor  <iant@google.com>
11876
11877         * script-sections.cc (Script_sections::create_segments): Use
11878         header_size_adjustment even when there is enough room for the
11879         headers.
11880         * testsuite/script_test_4.sh: New file.
11881         * testsuite/script_test_4.t: New file.
11882         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11883         (check_DATA): Add script_test_4.stdout.
11884         (MOSTLYCLEANFILES): Likewise.
11885         (script_test_4): New target.
11886         (script_test_4.stdout): New target.
11887         * testsuite/Makefile.in: Rebuild.
11888
11889         * sparc.cc: Add definitions for Output_data_plt_sparc class
11890         constants.
11891
11892 2008-04-14  David S. Miller  <davem@davemloft.net>
11893
11894         * sparc.cc: New file.
11895         * Makefile.am (TARGETSOURCES): Add sparc.cc
11896         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11897         * configure.tgt: Document targ_extra_size and
11898         targ_extra_big_endian.  Add entries for sparc-* and
11899         sparc64-*.
11900         * configure.ac: Handle targ_extra_size and
11901         targ_extra_big_endian.
11902         * Makefile.in: Rebuild.
11903         * configure: Likewise.
11904         * po/POTFILES.in: Likewise.
11905         * po/gold.pot: Likewise.
11906
11907 2008-04-14  Ian Lance Taylor  <iant@google.com>
11908
11909         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11910         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11911         in the name/type/flags to section mapping.  Don't call
11912         allocate_output_section.
11913         (Layout::choose_output_section): Change parameter from adjust_name
11914         to is_input_section.  Don't permit input sections after sections
11915         are attached to segments.  Don't call allocate_output_section.
11916         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11917         not write_enable_output_section.
11918         (Layout::make_output_section): Don't push to
11919         unattached_section_list_ nor call attach_to_segment.  Call
11920         attach_section_to_segment if sections are attached.
11921         (Layout::attach_sections_to_segments): New function.
11922         (Layout::attach_section_to_segment): New function.
11923         (Layout::attach_allocated_section_to_segment): Rename from
11924         attach_to_segment.  Remove flags parameter.
11925         (Layout::allocate_output_section): Remove function.
11926         (Layout::write_enable_output_section): Remove function.
11927         * layout.h (class Layout): Update for above changes.  Add new
11928         field sections_are_attached_.
11929         * output.h (Output_section::update_flags_for_input_section): New
11930         function.
11931         * output.cc (Output_section::add_input_section): Call
11932         update_flags_for_input_section.
11933         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11934
11935 2008-04-11  Cary Coutant  <ccoutant@google.com>
11936
11937         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11938         thought unnecessary.
11939         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11940
11941 2008-04-11  Ian Lance Taylor  <iant@google.com>
11942
11943         * output.h (class Output_section_data): Remove inline definition
11944         of set_addralign.
11945         * output.cc (Output_section_data::set_addralign): New function.
11946
11947 2008-04-11  Cary Coutant  <ccoutant@google.com>
11948
11949         Add support for TLS descriptors for i386 and x86_64.
11950         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11951         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11952         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11953         GOT_TYPE_TLS_DESC.
11954         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11955         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11956         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11957         relocations.
11958         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11959         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11960         Fix problem with initial-exec relocations.
11961         (Target_i386::Relocate::relocate_tls): Likewise.
11962         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11963         relaxation.
11964         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11965         support for section-plus-offset dynamic table entries.
11966         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11967         (Output_data_dynamic::Dynamic_entry): Add support for
11968         section-plus-offset dynamic table entries.
11969         (Output_data_dynamic::Classification): Likewise.
11970         (Output_data_dynamic::classification_): Renamed offset_.
11971         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11972         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11973         (Target_x86_64::make_plt_section): New function.
11974         (Target_x86_64::reserve_tlsdesc_entries): New function.
11975         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11976         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11977         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11978         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11979         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11980         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11981         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11982         add extra PLT entry for TLS descriptors.
11983         (Output_data_plt_x86_64::got_): New field.
11984         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11985         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11986         fields.
11987         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11988         descriptors.
11989         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11990         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11991         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11992         R_386_TLS_DESC_CALL relocations.
11993         (Target_x86_64::Scan::global): Likewise.
11994         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11995         for TLS descriptors.
11996         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11997         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11998         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11999         GD-to-IE relaxation.
12000         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12001         and TLS_DESCRIPTORS.
12002         * Makefile.in: Rebuild.
12003         * configure: Rebuild.
12004         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12005         (tls_test_shared2.so): New target.
12006         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12007         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12008         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12009         (tls_shared_gd_to_ie_test_LDADD): New variable.
12010         (tls_shared_gnu2_gd_to_ie_test): New target.
12011         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12012         New targets.
12013         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12014         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12015         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12016         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12017         (tls_shared_gnu2_test): New target.
12018         (tls_test_gnu2_shared.so): New target.
12019         (tls_shared_gnu2_test_SOURCES): New variable.
12020         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12021         (tls_shared_gnu2_test_LDFLAGS): New variable.
12022         (tls_shared_gnu2_test_LDADD): New variable.
12023         * testsuite/Makefile.in: Rebuild.
12024         * testsuite/Makefile.
12025
12026 2008-04-11  Ian Lance Taylor  <iant@google.com>
12027
12028         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12029         justsyms.t.
12030         * testsuite/Makefile.in: Rebuild.
12031
12032         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12033         long.
12034         * testsuite/script_test_2.cc (main): Adjust test.
12035
12036 2008-04-11  David S. Miller  <davem@davemloft.net>
12037             Ian Lance Taylor  <iant@google.com>
12038
12039         * options.h (General_options): Add entries for '-Y' and
12040         '-relax'.
12041         * options.cc (General_options:finalize): If -Y was used, add those
12042         entries to the library path instead of the default "/lib" and
12043         "/usr/lib".
12044
12045 2008-04-11  David S. Miller  <davem@davemloft.net>
12046
12047         * testsuite/justsyms.t: Start at 0x100.
12048         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12049         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12050         long.
12051         * testsuite/script_test_2.cc: Adjust string and section length
12052         checks.
12053
12054 2008-04-09  Ian Lance Taylor  <iant@google.com>
12055
12056         PR gold/5996
12057         * script-sections.cc (Sections_element::allocate_to_segment): Add
12058         orphan parameter.
12059         (Output_section_definition::allocate_to_segment): Likewise.
12060         (Orphan_output_section::allocate_to_segment): Likewise.
12061         (Script_sections::attach_sections_using_phdrs_clause): Don't
12062         propagate non-PT_LOAD segments to orphan sections.
12063         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12064         readelf rather than objdump.
12065         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12066         .interp section and PT_INTERP segment are the same size.
12067         * testsuite/Makefile.in: Rebuild.
12068
12069         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12070         aliases for symbols defined in the same object.
12071         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12072         (weak_alias_test_SOURCES): New variable.
12073         (weak_alias_test_DEPENDENCIES): New variable.
12074         (weak_alias_test_LDFLAGS): New variable.
12075         (weak_alias_test_LDADD): New variable.
12076         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12077         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12078         (weak_alias_test_3.o): New target.
12079         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12080         * testsuite/weak_alias_test_main.cc: New file.
12081         * testsuite/weak_alias_test_1.cc: New file.
12082         * testsuite/weak_alias_test_2.cc: New file.
12083         * testsuite/weak_alias_test_3.cc: New file.
12084
12085 2008-04-08  Ian Lance Taylor  <iant@google.com>
12086
12087         * options.h (class General_options): Add --noinhibit-exec option.
12088         * main.cc (main): Check --noinhibit-exec.
12089
12090         * options.h (class General_options): Define --wrap as a special
12091         option.  Add wrap_symbols_ field.
12092         (General_options::any_wrap_symbols): New function.
12093         (General_options::is_wrap_symbol): New function.
12094         * options.cc (General_options::parse_wrap): New function.
12095         (General_options::General_options): Initialize wrap_symbols_.
12096         * symtab.cc (Symbol_table::wrap_symbol): New function.
12097         (Symbol_table::add_from_object): Handle --wrap.
12098         * symtab.h (class Symbol_table): Declare wrap_symbol.
12099         * target.h (Target::wrap_char): New function.
12100         (Target::Target_info): Add wrap_char field.
12101         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12102         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12103         * testsuite/testfile.cc (Target_test::test_target_info):
12104         Likewise.
12105
12106         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12107         there is one.
12108
12109         * layout.h (class Layout): Add added_eh_frame_data_ field.
12110         * layout.cc (Layout::Layout): Initialize new field.
12111         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12112         output section until we find a section we merged successfully.
12113         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12114         that the size be non-zero.
12115
12116         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12117         qualifier.
12118
12119 2008-04-08  Craig Silverstein  <csilvers@google.com>
12120
12121         * configure.ac: Export new conditional variable HAVE_ZLIB.
12122         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12123         on HAVE_ZLIB.
12124         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12125         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12126
12127 2008-04-07  Ian Lance Taylor  <iant@google.com>
12128
12129         * version.cc (version_string): Set to "1.5".
12130
12131         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12132         Add issued_non_pic_error_ field.  Declare check_non_pic.
12133         (Target_x86_64::Scan::check_non_pic): New function.
12134         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12135         (Target_x86_64::Scan::global): Likewise.
12136
12137         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12138         addend parameter.  Change caller.  Handle merge sections.
12139         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12140         Address to Addend.  Don't add in the result of
12141         local_section_offset, pass down the addend and use the returned
12142         value.
12143         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12144         Update declarations of local_section_offset and symbol_value.
12145         * testsuite/two_file_test_1.cc (t18): New function.
12146         * testsuite/two_file_test_2.cc (f18): New function.
12147         * testsuite/two_file_test_main.cc (main): Call t18.
12148         * testsuite/two_file_test.h (t18, f18): Declare.
12149
12150         * configure.ac: Don't test for objdump, c++filt, or readelf.
12151         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12152         conditionals.
12153         (TEST_READELF): New variable.
12154         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12155         (check_PROGRAMS): Add two_file_strip_test.
12156         (two_file_strip_test): New target.
12157         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12158         (two_file_same_shared_strip_test_SOURCES): New variable.
12159         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12160         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12161         (two_file_same_shared_strip_test_LDADD): New variable.
12162         (two_file_shared_strip.so): New target.
12163         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12164         (ver_test_5.syms, ver_test_7.syms): Likewise.
12165         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12166         (strip_test_3.stdout): Use TEST_OBJDUMP.
12167         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12168
12169 2008-04-04  Cary Coutant  <ccoutant@google.com>
12170
12171         * symtab.h (Symbol::is_weak_undefined): New function.
12172         (Symbol::is_strong_undefined): New function.
12173         (Symbol::is_absolute): New function.
12174         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12175         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12176         absolute symbols.
12177         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12178         (weak_undef_test): New target.
12179         * testsuite/Makefile.in: Rebuild.
12180         * testsuite/weak_undef_file1.cc: New file.
12181         * testsuite/weak_undef_file2.cc: New file.
12182         * testsuite/weak_undef_test.cc: New file.
12183
12184 2008-04-03  Craig Silverstein  <csilvers@google.com>
12185
12186         * compressed_output.h (class Output_compressed_section): Use
12187         unsigned buffer.
12188         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12189         add zlib header.
12190         (zlib_compressed_suffix): Removed.
12191         (Output_compressed_section::set_final_data_size): Use unsigned
12192         buffers.
12193         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12194         Fix linker invocation.
12195         (flagstest_o_specialfile_and_compress_debug_sections):
12196         Likewise.
12197         * testsuite/Makefile.in: Regenerated.
12198
12199 2008-04-02  David S. Miller  <davem@davemloft.net>
12200
12201         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12202         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12203
12204 2008-04-02  Craig Silverstein  <csilvers@google.com>
12205
12206         * TODO: New file.
12207
12208 2008-04-02  Ian Lance Taylor  <iant@google.com>
12209
12210         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12211         parameters.  Update for new key type to views_.  Change all
12212         callers.
12213         (File_read::read): Adjust for byteshift in returned view.
12214         (File_read::add_view): New function, broken out of
12215         find_and_make_view.
12216         (File_read::make_view): New function, broken out of
12217         find_and_make_view.
12218         (File_read::find_or_make_view): Add offset and aligned
12219         parameters.  Rewrite accordingly.  Change all callers.
12220         (File_read::get_view): Add offset and aligned parameters.  Adjust
12221         for byteshift in return value.
12222         (File_read::get_lasting_view): Likewise.
12223         * fileread.h (class File_read): Update declarations.
12224         (class File_read::View): Add byteshift_ field.  Add byteshift to
12225         constructor.  Add byteshift method.
12226         * archive.h (Archive::clear_uncached_views): New function.
12227         (Archive::get_view): Add aligned parameter.  Change all callers.
12228         * object.h (Object::get_view): Add aligned parameter.  Change all
12229         callers.
12230         (Object::get_lasting_view): Likewise.
12231
12232         * fileread.cc (File_read::release): Don't call clear_views if
12233         there are multiple objects.
12234         * fileread.h (File_read::clear_uncached_views): New function.
12235         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12236         on the archive.
12237
12238 2008-03-31  Cary Coutant  <ccoutant@google.com>
12239
12240         Add thin archive support.
12241         * archive.cc (Archive::armagt): New const.
12242         (Archive::setup): Remove task parameter and calls to unlock.
12243         (Archive::unlock_nested_archives): New function.
12244         (Archive::read_header): Add nested_off parameter. Change
12245         all callers.
12246         (Archive::interpret_header): Likewise.
12247         (Archive::include_all_members): Change to handle thin
12248         archives.
12249         (Archive::include_member): Likewise.
12250         * archive.h (Archive::Archive): Add new parameters and
12251         initializers.
12252         (Archive::armagt): New const.
12253         (Archive::setup): Remove task parameter.
12254         (Archive::unlock_nested_archives): New function.
12255         (Archive::read_header): Add nested_off parameter.
12256         (Archive::interpret_header): Likewise.
12257         (Archive::Nested_archive_table): New typedef.
12258         (Archive::is_thin_archive_): New field.
12259         (Archive::nested_archives_): New field.
12260         (Archive::options_): New field.
12261         (Archive::dirpath_): New field.
12262         (Archive::task_): New field.
12263         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12264         for thin archives.  Pass additional parameters to
12265         Archive::Archive.  Unlock the archive file after calling
12266         Archive::setup.
12267
12268 2008-03-29  Ian Lance Taylor  <iant@google.com>
12269
12270         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12271         version symbol to be local.
12272         * testsuite/ver_test_4.sh: New file.
12273         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12274         (check_DATA): Add ver_test_4.syms.
12275         (ver_test_4.syms): New target.
12276         * testsuite/Makefile.in: Rebuild.
12277
12278         * output.cc
12279         (Output_section::Input_section_sort_entry::has_priority): New
12280         function.
12281         (Output_section::Input_section_sort_entry::match_file_name): New
12282         function.
12283         (Output_section::Input_section_sort_entry::match_section_name):
12284         Remove.
12285         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12286         Remove.
12287         (Output_section::Input_section_sort_entry::match_section_file):
12288         Remove.
12289         (Output_section::Input_section_sort_compare::operator()): Rewrite
12290         using new Input_section_sort_entry functions.  Sort crtbegin and
12291         crtend first.  Sort sections with no priority before sections with
12292         a priority.
12293         * testsuite/initpri1.c (d3): Check j != 4.
12294         (cd5): New constructor/destructor function.
12295         (main): Check j != 2.
12296
12297         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12298         new symbol when resolving, don't call set_is_default.
12299         * testsuite/ver_test_7.cc: New file.
12300         * testsuite/ver_test_7.sh: New file.
12301         * testsuite/Makefile.am (ver_test_7.so): New target.
12302         (ver_test_7.o): New target.
12303         (check_SCRIPTS): Add ver_test_7.sh.
12304         (check_DATA): Add ver_test_7.syms.
12305         (ver_test_7.syms): New target.
12306
12307 2008-03-28  Ian Lance Taylor  <iant@google.com>
12308
12309         * layout.cc (Layout::layout): If we see an input section with a
12310         name that needs sorting, set the must_sort flag for the output
12311         section.
12312         (Layout::make_output_section): If the name of the output section
12313         indicates that it might require sorting, set the may_sort flag.
12314         * output.h (Output_section::may_sort_attached_input_sections): New
12315         function.
12316         (Output_section::set_may_sort_attached_input_sections): New
12317         function.
12318         (Output_section::must_sort_attached_input_sections): New
12319         function.
12320         (Output_section::set_must_sort_attached_input_sections): New
12321         function.
12322         (class Output_section): Declare Input_section_sort_entry.  Define
12323         Input_section_sort_compare.  Declare
12324         sort_attached_input_sections.  Add new fields:
12325         may_sort_attached_input_sections_,
12326         must_sort_attached_input_sections_,
12327         attached_input_sections_are_sorted_.
12328         * output.cc (Output_section::Output_section): Initialize new
12329         fields.
12330         (Output_section::add_input_section): Add an entry to
12331         input_sections_ if may_sort or must_sort are true.
12332         (Output_section::set_final_data_size): Call
12333         sort_attached_input_sections if necessary.
12334         (Output_section::Input_section_sort_entry): Define new class.
12335         (Output_section::Input_section_sort_compare::operator()): New
12336         function.
12337         (Output_section::sort_attached_input_sections): New function.
12338         * configure.ac: Check whether the compiler supports constructor
12339         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12340         * testsuite/initpri1.c: New file.
12341         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12342         CONSTRUCTOR_PRIORITY.
12343         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12344         (initpri1_LDFLAGS): New variable.
12345         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12346
12347 2008-03-27  Ian Lance Taylor  <iant@google.com>
12348
12349         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12350         * testsuite/common_test_1.c: New file.
12351         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12352         (common_test_1_SOURCES): New variable.
12353         (common_test_1_DEPENDENCIES): New variable.
12354         (common_test_1_LDFLAGS): New variable.
12355
12356         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12357         and commons_ correctly when NAME/VERSION does not override
12358         NAME/NULL.
12359         * testsuite/ver_test_6.c: New file.
12360         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12361         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12362         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12363
12364 2008-03-26  Ian Lance Taylor  <iant@google.com>
12365
12366         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12367         of an undefined symbol from a version script.
12368         * testsuite/Makefile.am (ver_test_5.so): New target.
12369         (ver_test_5.o): New target.
12370         (check_SCRIPTS): Add ver_test_5.sh.
12371         (check_DATA): Add ver_test_5.syms.
12372         (ver_test_5.syms): New target.
12373         * testsuite/ver_test_5.cc: New file.
12374         * testsuite/ver_test_5.script: New file.
12375         * testsuite/ver_test_5.sh: New file.
12376         * Makefile.in, testsuite/Makefile.in: Rebuild.
12377
12378         PR gold/5986
12379         Fix problems building gold with gcc 4.3.0.
12380         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12381         (gold_error_at_location, gold_warning_at_location): Use it.
12382         * configure.ac: Check whether we can compile and use a template
12383         function with a printf attribute.
12384         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12385         when jumping over bytes.
12386         * object.cc: Instantiate Object::read_section_data.
12387         * debug.h: Include <cstring>
12388         * dwarf_reader.cc: Include <algorithm>
12389         * main.cc: Include <cstring>.
12390         * options.cc: Include <cstring>.
12391         * output.cc: Include <cstring>.
12392         * script.cc: Include <cstring>.
12393         * script.h: Include <string>.
12394         * symtab.cc: Include <cstring> and <algorithm>.
12395         * target-select.cc: Include <cstring>.
12396         * version.cc: Include <string>.
12397         * testsuite/testmain.cc: Include <cstdlib>.
12398         * configure, config.in: Rebuild.
12399
12400 2008-03-25  Ian Lance Taylor  <iant@google.com>
12401
12402         * options.cc: Include "../bfd/bfdver.h".
12403         (options::help): Print bug reporting address.
12404
12405         * version.cc (print_version): Adjust output for current value of
12406         BFD_VERSION_STRING.
12407
12408         * NEWS: New file.
12409
12410         * options.cc (options::help): Print list of supported targets.
12411         * target-select.h: Include <vector>.
12412         (class Target_selector): Make machine_, size_, and is_big_endian_
12413         fields const.  Add bfd_name_ and instantiated_target_ fields.
12414         (Target_selector::Target_selector): Add bfd_name parameter.
12415         (Target_selector::recognize): Make non-virtual, call
12416         do_recognize.
12417         (Target_selector::recognize_by_name): Make non-virtual, call
12418         do_recognize_by_name.
12419         (Target_selector::supported_names): New function.
12420         (Target_selector::bfd_name): New function.
12421         (Target_selector::do_instantiate_target): New pure virtual
12422         function.
12423         (Target_selector::do_recognize): New virtual function.
12424         (Target_selector::do_recognize_by_name): New virtual function.
12425         (Target_selector::instantiate_target): New private function.
12426         (supported_target_names): Declare.
12427         * target-select.cc (Target_selector::Target_selector): Update for
12428         new parameter and fields.
12429         (select_target_by_name): Check that the name matches before
12430         calling recognize_by_name.
12431         (supported_target_names): New function.
12432         * i386.cc (class Target_selector_i386): Update Target_selector
12433         constructor call.  Remove recognize and recognize_by_name.  Add
12434         do_instantiate_target.
12435         * x86_64.cc (class Target_selector_x86_64): Likewise.
12436         * testsuite/testfile.cc (class Target_selector_test): Update for
12437         changes to Target_selector.
12438
12439         * README: Rewrite, with some notes on unsupported features.
12440
12441 2008-03-24  Cary Coutant  <ccoutant@google.com>
12442
12443         * i386.cc (Target_i386::Got_type): New enum declaration.
12444         (Target_i386::Scan::local): Updated callers of Output_data_got
12445         member functions.
12446         (Target_i386::Scan::global): Likewise.
12447         (Target_i386::Relocate::relocate): Likewise.
12448         (Target_i386::Relocate::relocate_tls): Likewise.
12449         * object.h (Got_offset_list): New class.
12450         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12451         (Sized_relobj::local_got_offset): Likewise.
12452         (Sized_relobj::set_local_got_offset): Likewise.
12453         (Sized_relobj::local_has_tls_got_offset): Removed.
12454         (Sized_relobj::local_tls_got_offset): Removed.
12455         (Sized_relobj::set_local_tls_got_offset): Removed.
12456         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12457         * output.cc (Output_data_got::add_global): Added got_type parameter.
12458         (Output_data_got::add_global_with_rel): Likewise.
12459         (Output_data_got::add_global_with_rela): Likewise.
12460         (Output_data_got::add_global_pair_with_rel): New function.
12461         (Output_data_got::add_global_pair_with_rela): New function.
12462         (Output_data_got::add_local): Added got_type parameter.
12463         (Output_data_got::add_local_with_rel): Likewise.
12464         (Output_data_got::add_local_with_rela): Likewise.
12465         (Output_data_got::add_local_pair_with_rel): New function.
12466         (Output_data_got::add_local_pair_with_rela): New function.
12467         (Output_data_got::add_global_tls): Removed.
12468         (Output_data_got::add_global_tls_with_rel): Removed.
12469         (Output_data_got::add_global_tls_with_rela): Removed.
12470         (Output_data_got::add_local_tls): Removed.
12471         (Output_data_got::add_local_tls_with_rel): Removed.
12472         (Output_data_got::add_local_tls_with_rela): Removed.
12473         * output.h (Output_data_got::add_global): Added got_type parameter.
12474         (Output_data_got::add_global_with_rel): Likewise.
12475         (Output_data_got::add_global_with_rela): Likewise.
12476         (Output_data_got::add_global_pair_with_rel): New function.
12477         (Output_data_got::add_global_pair_with_rela): New function.
12478         (Output_data_got::add_local): Added got_type parameter.
12479         (Output_data_got::add_local_with_rel): Likewise.
12480         (Output_data_got::add_local_with_rela): Likewise.
12481         (Output_data_got::add_local_pair_with_rel): New function.
12482         (Output_data_got::add_local_pair_with_rela): New function.
12483         (Output_data_got::add_global_tls): Removed.
12484         (Output_data_got::add_global_tls_with_rel): Removed.
12485         (Output_data_got::add_global_tls_with_rela): Removed.
12486         (Output_data_got::add_local_tls): Removed.
12487         (Output_data_got::add_local_tls_with_rel): Removed.
12488         (Output_data_got::add_local_tls_with_rela): Removed.
12489         * resolve.cc (Symbol::override_base_with_special): Removed
12490         reference to has_got_offset_ field.
12491         * symtab.cc (Symbol::init_fields): Replaced initialization
12492         of got_offset_ with got_offsets_.  Removed initialization
12493         of has_got_offset_
12494         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12495         (Symbol::got_offset): Likewise.
12496         (Symbol::set_got_offset): Likewise.
12497         (Symbol::has_tls_got_offset): Removed.
12498         (Symbol::tls_got_offset): Removed.
12499         (Symbol::set_tls_got_offset): Removed.
12500         (Symbol::got_offset_): Removed.
12501         (Symbol::tls_mod_got_offset_): Removed.
12502         (Symbol::tls_pair_got_offset_): Removed.
12503         (Symbol::got_offsets_): New field.
12504         (Symbol::has_got_offset): Removed.
12505         (Symbol::has_tls_mod_got_offset): Removed.
12506         (Symbol::has_tls_pair_got_offset): Removed.
12507         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12508         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12509         member functions.
12510         (Target_x86_64::Scan::global): Likewise.
12511         (Target_x86_64::Relocate::relocate): Likewise.
12512         (Target_x86_64::Relocate::relocate_tls): Likewise.
12513
12514 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12515
12516         * yyscript.y: Fix spelling error in comment.
12517
12518 2008-03-24  Ian Lance Taylor  <iant@google.com>
12519
12520         * options.h (class General_options): Define build_id option.
12521         * layout.h (class Layout): Declare write_build_id, create_note,
12522         create_build_id.  Add build_id_note_ member.
12523         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12524         "libiberty.h", "md5.h", "sha1.h".
12525         (Layout::Layout): Initialize eh_frame_data_,
12526         eh_frame_hdr_section_, and build_id_note_.
12527         (Layout::finalize): Call create_build_id.
12528         (Layout::create_note): New function, broken out of
12529         Layout::create_gold_note.
12530         (Layout::create_gold_note): Call create_note.
12531         (Layout::create_build_id): New function.
12532         (Layout::write_build_id): New function.
12533         (Close_task_runner::run): Call write_build_id.
12534
12535         * x86_64.cc: Correct license to GPLv3.
12536
12537 2008-03-23  Ian Lance Taylor  <iant@google.com>
12538
12539         * options.cc: Include "demangle.h".
12540         (parse_optional_string): New function.
12541         (parse_long_option): Handle takes_optional_argument.
12542         (parse_short_option): Update dash_z initializer.  Handle
12543         takes_optional_argument.
12544         (General_options::General_options): Initialize do_demangle_.
12545         (General_options::finalize): Set do_demangle_.  Handle demangling
12546         style.
12547         * options.h (parse_optional_string): Declare.
12548         (struct One_option): Add optional_arg field.  Update constructor.
12549         Update call constructor calls.  Add takes_optional_argument
12550         function.
12551         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12552         (DEFINE_optional_string): Define.
12553         (General_options::demangle): Change from DEFINE_bool to
12554         DEFINE_optional_string.
12555         (General_options::no_demangle): New function.
12556         (General_options::do_demangle): New function.
12557         (General_options::set_do_demangle): New function.
12558         (General_options::execstack_status_): Move definition to end of
12559         class definition.
12560         (General_options::static_): Likewise.
12561         (General_options::do_demangle_): New field.
12562         * object.cc (big_endian>::get_symbol_location_info): Call
12563         Options::do_demangle, not Options::demangle.
12564         * symtab.cc (demangle): Likewise.
12565
12566 2008-03-22  Ian Lance Taylor  <iant@google.com>
12567
12568         * gold.h: Include <cstddef> and <sys/types.h>
12569         * options.h: Include <cstring>.
12570
12571 2008-03-21  Ian Lance Taylor  <iant@google.com>
12572
12573         * Added source code to GNU binutils.