* object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
[external/binutils.git] / gold / ChangeLog
1 2012-02-29  Cary Coutant  <ccoutant@google.com>
2
3         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
4
5 2012-02-29  Cary Coutant  <ccoutant@google.com>
6
7         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8         Call Object::decompressed_section_contents.
9         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
10         New dtor.
11         (Sized_dwarf_line_info::buffer_start_): New data member.
12         * merge.cc (Output_merge_data::do_add_input_section): Call
13         Object::decompressed_section_contents.
14         (Output_merge_string::do_add_input_section): Likewise.
15         * object.cc (need_decompressed_section): New function.
16         (build_compressed_section_map): Decompress sections needed later.
17         (Sized_relobj_file::do_decompressed_section_contents): New function.
18         (Sized_relobj_file::do_discard_decompressed_sections): New function.
19         * object.h (Object::decompressed_section_contents): New function.
20         (Object::discard_decompressed_sections): New function.
21         (Object::do_decompressed_section_contents): New function.
22         (Object::do_discard_decompressed_sections): New function.
23         (Compressed_section_info): New type.
24         (Compressed_section_map): Include decompressed section contents.
25         (Sized_relobj_file::do_decompressed_section_contents): New function.
26         (Sized_relobj_file::do_discard_decompressed_sections): New function.
27
28 2012-02-16  Cary Coutant  <ccoutant@google.com>
29
30         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
31         * testsuite/Makefile.in: Regenerate.
32
33 2012-02-14  Cary Coutant  <ccoutant@google.com>
34
35         * options.cc (General_options::finalize): Disallow -pie and -static.
36
37 2012-02-03  Doug Kwan  <dougkwan@google.com>
38
39         * arm.cc (Arm_relocate_functions::abs8,
40         Arm_relocate_functions::abs16): Use
41         Bits::has_signed_unsigned_overflow32.
42         (Arm_relocate_functions::thm_abs8): Correct range of
43         overflow check.
44         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
45         in assertions.
46
47 2012-02-02  Doug Kwan  <dougkwan@google.com>
48
49         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
50         position independent outputs, not just shared objects.
51
52 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
53
54         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
55         * configure: Regenerated.
56
57 2012-01-27  Ian Lance Taylor  <iant@google.com>
58
59         * reloc.h (Bits): New class with static functions, copied from
60         namespace utils in arm.cc.
61         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
62         instead.
63
64 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
65
66         * incremental.cc (write_info_blocks): Correct relocation offset.
67
68 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
69
70         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
71         (Relocate::tls_gd_to_le): Likewise.
72
73 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
74
75         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
76
77 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
78
79         * configure.ac: Check if -mcmodel=medium works.
80         * configure: Regenerated.
81
82 2012-01-24  Cary Coutant  <ccoutant@google.com>
83
84         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
85         definition and ...
86         (read_unsigned_LEB_128_x): ... this new function.
87         (read_signed_LEB_128): Replaced with inline definition and ...
88         (read_signed_LEB_128_x): ... this new function.
89         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
90         (read_unsigned_LEB_128): Add inline definition.
91         (read_signed_LEB_128_x): New function.
92         (read_signed_LEB_128): Add inline definition.
93         * testsuite/Makefile.am (leb128_unittest): New unit test.
94         * testsuite/Makefile.in: Regenerate.
95         * testsuite/leb128_unittest.cc: New unit test.
96
97 2012-01-23  Ian Lance Taylor  <iant@google.com>
98
99         PR gold/13617
100         * i386.cc (Target_i386::do_code_fill): When using a jmp
101         instruction, pad with nop instructions.
102         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
103
104 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
105
106         * x86_64.cc (gc_process_relocs): Add typename on types used in
107         template.
108         (scan_relocs): Likewise.
109         (relocate_section): Likewise.
110         (apply_relocation): Likewise.
111
112 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
113
114         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
115         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
116         under x32.
117
118 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
119
120         * x86_64.cc: Initial support for x32.
121
122 2012-01-03  Cary Coutant  <ccoutant@google.com>
123
124         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
125         Use abstract base class for GOT.
126         * gold/output.h (class Output_data_got_base): New abstract base class.
127         (class Output_data_got): Derive from new base class, adjust ctors.
128         (Output_data_got::reserve_slot): Make virtual; rename to
129         do_reserve_slot; Adjust callers.
130         * gold/target.h (Sized_target::init_got_plt_for_update): Return
131         pointer to abstract base class.
132         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
133
134 2011-12-18  Ian Lance Taylor  <iant@google.com>
135
136         * object.h (Relobj::local_symbol_value): New function.
137         (Relobj::local_plt_offset): New function.
138         (Relobj::local_has_got_offset): New function.
139         (Relobj::local_got_offset): New function.
140         (Relobj::set_local_got_offset): New function.
141         (Relobj::do_local_symbol_value): New pure virtual function.
142         (Relobj::do_local_plt_offset): Likewise.
143         (Relobj::do_local_has_got_offset): Likewise.
144         (Relobj::do_local_got_offset): Likewise.
145         (Relobj::do_set_local_got_offset): Likewise.
146         (Sized_relobj::do_local_has_got_offset): Rename from
147         local_has_got_offset.
148         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
149         (Sized_relobj::do_set_local_got_offset): Rename from
150         set_local_got_offset.
151         (Sized_relobj_file::do_local_plt_offset): Rename from
152         local_plt_offset.
153         (Sized_relobj_file::do_local_symbol_value): New function.
154         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
155         local_plt_offset.
156         * output.cc (Output_data_got::Got_entry::write): Change object to
157         Relobj.  Use local_symbol_value.
158         (Output_data_got::add_global_with_rel): Change rel_dyn to
159         Output_data_reloc_generic*.  Use add_global_generic.
160         (Output_data_got::add_global_with_rela): Remove.  Change all
161         callers to use add_global_with_rel.
162         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
163         Output_data_reloc_generic*.  Use add_global_generic.
164         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
165         callers to use add_global_pair_with_rel.
166         (Output_data_got::add_local): Change object to Relobj*.
167         (Output_data_got::add_local_plt): Likewise.
168         (Output_data_got::add_local_with_rel): Change object to Relobj*,
169         change rel_dyn to Output_data_reloc_generic*.  Use
170         add_local_generic.
171         (Output_data_got::add_local_with_rela): Remove.  Change all
172         callers to use all_local_with_rel.
173         (Output_data_got::add_local_pair_with_rel): Change object to
174         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
175         add_output_section_generic.
176         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
177         callers to use add_local_pair_with_rel.
178         (Output_data_got::reserve_local): Change object to Relobj*.
179         * output.h: (class Output_data_reloc_generic): Add pure virtual
180         declarations for add_global_generic, add_local_generic,
181         add_output_section_generic.
182         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
183         functions for Output_data_reloc_generic.  Update declarations for
184         changes listed in output.cc.
185         (class Output_data_got): Change template parameter to got_size.
186         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
187         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
188         function.
189         (Sized_relobj_incr::do_local_plt_offset): New function.
190         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
191         add_global_generic.
192
193 2011-12-17  Cary Coutant  <ccoutant@google.com>
194
195         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
196         * resolve.cc (Symbol_table::resolve): Likewise.
197         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
198         arrays.
199         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
200
201 2011-12-16  Ian Lance Taylor  <iant@google.com>
202
203         * output.h (Output_data_reloc_generic::add): Only call
204         add_dynamic_reloc if this is a dynamic reloc section.
205
206 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
207
208         PR gold/13505
209         * target-reloc.h (apply_relocation): Replace <64, false> with
210         <size, big_endian>.
211
212 2011-11-25  Nick Clifton  <nickc@redhat.com>
213
214         * po/it.po: New Italian translation.
215
216 2011-11-17  Sterling Augustine  <saugustine@google.com>
217
218         * script.cc (script_include_directive): Implement.
219         (read_script_file): New local variables name and search_path. Update
220         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
221         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
222         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
223
224 2011-11-11  Sterling Augustine  <saugustine@google.com>
225
226         * yyscript.y (section_cmd): Add support for INCLUDE directive.
227         (file_or_sections_cmd): Likewise.
228
229 2011-11-11  Doug Kwan  <dougkwan@google.com>
230
231         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
232         if --just-symbols is given.
233
234 2011-11-10  Doug Kwan  <dougkwan@google.com>
235
236         PR gold/13362
237         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
238         when processing data relocs.
239         * reloc.h (Relocate_functions::rel_unaligned): New method.
240         (Relocate_functions::pcrel_unaligned): Ditto.
241         (Relocate_functions::rel32_unaligned): Ditto.
242         (Relocate_functions::pcrel32_unaligned): Ditto.
243
244 2011-11-09  Doug Kwan  <dougkwan@google.com>
245
246         PR gold/13362
247         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
248         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
249         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
250         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
251         (Relocate_functions::rel_unaligned): New.
252         (Relocate_functions::rel32_unaligned): New.
253         * target-reloc.h (relocate_for_relocatable): Add code to handle
254         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
255         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
256         arm_unaligned_reloc_r): New targets.
257         * testsuite/Makefile.in: Regenerate.
258         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
259         linking.
260
261 2011-11-02  Ian Lance Taylor  <iant@google.com>
262
263         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
264         NATIVE_LINKER.
265         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
266         * options.cc (General_options::finalize): Use library search path
267         from configure script if specified.  If not native and no sysroot,
268         only search TOOLLIBDIR.
269         * options.h (Search_directory::Search_directory): Change name to
270         const std::string&.
271         (General_options::add_to_library_path_with_sysroot): Change arg to
272         const std::string&.
273         * configure, Makefile.in, config.in: Rebuild.
274
275 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
276
277         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
278         we are working around the ARM1176 Erratum.
279         * options.h (General_options::fix_arm1176): Add option.
280         * testsuite/Makefile.am: Add testcases, and keep current ones
281         working.
282         * testsuite/Makefile.in: Regenerate.
283         * testsuite/arm_fix_1176.s: New file.
284         * testsuite/arm_fix_1176.sh: Likewise.
285
286 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
287
288         * arm.cc (Target_arm::Target_arm): Remove initialisation of
289         may_use_blx_.
290         (Target_arm::may_use_blx): Remove method.
291         (Target_arm::set_may_use_blx): Likewise.
292         (Target_arm::may_use_v4t_interworking): New method.
293         (Target_arm::may_use_v5t_interworking): Likewise.
294         (Target_arm::may_use_blx_): Remove member variable.
295         (Arm_relocate_functions::arm_branch_common): Check for v5T
296         interworking.
297         (Arm_relocate_functions::thumb_branch_common): Likewise.
298         (Reloc_stub::stub_type_for_reloc): Likewise.
299         (Target_arm::do_finalize_sections): Correct interworking checks.
300         * testsuite/Makefile.am: Add new tests.
301         * testsuite/Makefile.in: Regenerate.
302         * testsuite/arm_farcall_arm_arm.s: New test.
303         * testsuite/arm_farcall_arm_arm.sh: Likewise.
304         * testsuite/arm_farcall_arm_thumb.s: Likewise.
305         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
306         * testsuite/arm_farcall_thumb_arm.s: Likewise.
307         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
308         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
309         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
310
311 2011-10-31  Cary Coutant  <ccoutant@google.com>
312
313         PR gold/13023
314         * expression.cc (Expression::eval_with_dot): Add
315         is_section_dot_assignment parameter.
316         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
317         absolute and assigning to dot within a section.
318         * script-sections.cc
319         (Output_section_element_assignment::set_section_addresses): Pass
320         dot_section to set_if_absolute.
321         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
322         as is_section_dot_assignment flag to eval_with_dot.
323         (Output_section_element_dot_assignment::set_section_addresses):
324         Likewise.
325         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
326         parameter.  Also set value if relative to dot_section; set the
327         symbol's output_section.
328         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
329         parameter.  Adjust all callers.
330         (Expression::eval_maybe_dot): Likewise.
331         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
332         Adjust all callers.
333         * testsuite/script_test_2.t: Test assignment of an absolute value
334         to dot within an output section element.
335
336 2011-10-31  Cary Coutant  <ccoutant@google.com>
337
338         * options.h (class General_options): Add --[no-]gnu-unique options.
339         * symtab.cc (Symbol_table::sized_write_globals): Convert
340         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
341
342 2011-10-31  Cary Coutant  <ccoutant@google.com>
343
344         PR gold/13359
345         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
346         unnecessary assertion.
347         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
348
349 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
350
351         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
352         gc_mark_symbol.
353         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
354         gc_mark_symbol.
355         Change to just keep the section associated with symbol.
356         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
357         they are externally visible and --export-dynamic is turned on.
358         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
359
360 2011-10-19  Ian Lance Taylor  <iant@google.com>
361
362         PR gold/13163
363         * script-sections.cc
364         (Output_section_element_dot_assignment::needs_output_section): New
365         function.
366
367 2011-10-19  Ian Lance Taylor  <iant@google.com>
368
369         PR gold/13204
370         * layout.cc (Layout::segment_precedes): Don't assert failure if a
371         --section-start option was seen.
372         * options.h (General_options::any_section_start): New function.
373
374 2011-10-18  David S. Miller  <davem@davemloft.net>
375
376         PR binutils/13301
377         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
378         member to track relocation locations that have moved during TLS
379         reloc optimizations.
380         (Target_sparc::Relocate::Relocate): Initialize to NULL.
381         (Target_sparc::Relocate::relocate): Adjust view down by 4
382         bytes if it matches reloc_adjust_addr_.
383         (Target_sparc::Relocate::relocate_tls): Always move the
384         __tls_get_addr call delay slot instruction forward 4 bytes when
385         performing relaxation.
386
387 2011-10-18  Cary Coutant  <ccoutant@google.com>
388
389         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
390         (Output_file::map_no_anonymous): Check for non-zero
391         return code from posix_fallocate.
392
393 2011-10-17  Cary Coutant  <ccoutant@google.com>
394
395         PR gold/13245
396         * plugin.cc (is_visible_from_outside): Check for symbols
397         referenced from dynamic objects.
398         * resolve.cc (Symbol_table::resolve): Don't count references
399         from dynamic objects as references from real ELF files.
400         * testsuite/plugin_test_2.sh: Adjust expected result.
401
402 2011-10-17  Cary Coutant  <ccoutant@google.com>
403
404         * gold.cc: Include timer.h.
405         (queue_middle_tasks): Stamp time.
406         (queue_final_tasks): Likewise.
407         * main.cc (main): Store timer in parameters.  Print timers
408         for each pass.
409         * parameters.cc (Parameters::Parameters): Initialize timer_.
410         (Parameters::set_timer): New function.
411         (set_parameters_timer): New function.
412         * parameters.h (Parameters::set_timer): New function.
413         (Parameters::timer): New function.
414         (Parameters::timer_): New data member.
415         (set_parameters_timer): New function.
416         * timer.cc (Timer::stamp): New function.
417         (Timer::get_pass_time): New function.
418         * timer.h (Timer::stamp): New function.
419         (Timer::get_pass_time): New function.
420         (Timer::pass_times_): New data member.
421
422 2011-10-17  Cary Coutant  <ccoutant@google.com>
423
424         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
425         task for members of lib groups.
426
427 2011-10-17  Cary Coutant  <ccoutant@google.com>
428
429         PR gold/13288
430         * fileread.cc (File_read::find_view): Add assert.
431         (File_read::make_view): Move bounds check (replace with assert)...
432         (File_read::find_or_make_view): ... to here.
433
434 2011-10-12  Cary Coutant  <ccoutant@google.com>
435
436         * output.cc (Output_file::open_base_file): Handle case where
437         ::read returns less than requested size.
438
439 2011-10-10  Cary Coutant  <ccoutant@google.com>
440
441         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
442         Initialize defined_count_.
443         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
444         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
445         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
446         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
447         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
448         * incremental.h (Sized_relobj_incr::defined_count_): New data
449         member.
450         (Sized_incr_dynobj::defined_count_): New data member.
451         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
452         Return zeroes instead of internal error.
453
454 2011-10-10  Cary Coutant  <ccoutant@google.com>
455
456         PR gold/13249
457         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
458         (Output_reloc::symbol_value): Return PLT offset if flag is set.
459         * output.h (class Output_reloc): Add use_plt_offset flag.
460         (Output_reloc::type_): Adjust size of bit field.
461         (Output_reloc::use_plt_offset_): New bit field.
462         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
463         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
464         flag.  Adjust all callers.
465         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
466         creating RELATIVE relocations.
467
468 2011-10-10  Nick Clifton  <nickc@redhat.com>
469
470         * po/es.po: Updated Spanish translation.
471         * po/fi.po: Updated Finnish translation.
472
473 2011-10-03   Diego Novillo  <dnovillo@google.com>
474
475         * options.cc (parse_uint): Fix dereference of RETVAL.
476
477 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
478
479         * layout.h (section_order_map_): New member.
480         (get_section_order_map): New member function.
481         * output.cc (Output_section::add_input_section): Check for patterns
482         only when --section-ordering-file is specified.
483         * gold.cc (queue_middle_tasks): Delay updating order of sections till
484         output_sections have been formed.
485         * layout.cc (Layout_Layout): Initialize section_order_map_.
486         * plugin.cc (update_section_order): Store order in order_map. Do not
487         update the order.
488         * testsuite/Makefile.am: Add test case for plugin_final_layout.
489         * testsuite/Makefile.in: Regenerate.
490         * testsuite/plugin_section_order.c: New file.
491         * testsuite/plugin_final_layout.cc: New file.
492         * testsuite/plugin_final_layout.sh: New file.
493
494 2011-09-29  Cary Coutant  <ccoutant@google.com>
495
496         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
497         Check for NULL.
498         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
499         symbols during incremental update.
500         (Symbol_table::add_from_dynobj): Likewise.
501
502 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
503             Ian Lance Taylor  <iant@google.com>
504
505         * symtab.cc (Symbol_table::define_special_symbol): Always
506         canonicalize version string.
507
508 2011-09-26  Cary Coutant  <ccoutant@google.com>
509
510         * gold.cc (queue_initial_tasks): Move option checks ...
511         * options.cc (General_options::finalize): ... to here. Disable
512         some options; make others fatal.
513
514 2011-09-26  Cary Coutant  <ccoutant@google.com>
515
516         gcc PR lto/47247
517         * plugin.cc (get_symbols_v2): New function.
518         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
519         (is_referenced_from_outside): New function.
520         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
521         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
522         (get_symbols): Pass version parameter.
523         (get_symbols_v2): New function.
524         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
525         parameter.
526         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
527         (onload): Add LDPT_GET_SYMBOLS_V2.
528         (all_symbols_read_hook): Use get_symbols_v2; check for
529         LDPR_PREVAILING_DEF_IRONLY_EXP.
530         * testsuite/plugin_test_3.sh: Update expected results.
531
532 2011-09-23  Simon Baldwin  <simonb@google.com>
533
534         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
535         configuration options.
536         * configure: Regenerate.
537         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
538         * Makefile.in: Regenerate.
539         * testsuite/Makefile.in: Regenerate.
540
541 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
542
543         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
544
545 2011-09-19  Cary Coutant  <ccoutant@google.com>
546
547         * incremental.cc (can_incremental_update): Fix typo in comment.
548         * incremental.h (can_incremental_update): Likewise.
549
550 2011-09-18  Cary Coutant  <ccoutant@google.com>
551
552         * incremental.cc (can_incremental_update): New function.
553         * incremental.h (can_incremental_update): New function.
554         * layout.cc (Layout::init_fixed_output_section): Call it.
555         (Layout::make_output_section): Don't allow patch space in .eh_frame.
556         * object.cc (Sized_relobj_file::do_layout): Call
557         can_incremental_update.
558
559 2011-09-13  Cary Coutant  <ccoutant@google.com>
560
561         * configure.ac: Check for glibc support for gnu_indirect_function
562         support with static linking, setting automake conditional
563         IFUNC_STATIC.
564         * Makefile.in: Regenerate.
565         * configure: Regenerate.
566
567         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
568         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
569         for IFUNC_STATIC.
570         * testsuite/Makefile.in: Regenerate.
571
572 2011-09-13  Cary Coutant  <ccoutant@google.com>
573
574         * incremental.cc (Sized_relobj_incr::do_layout): Call
575         report_comdat_group for kept comdat sections.
576         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
577         * testsuite/Makefile.in: Regenerate.
578         * testsuite/incr_comdat_test_1.cc: New source file.
579         * testsuite/incr_comdat_test_2_v1.cc: New source file.
580         * testsuite/incr_comdat_test_2_v2.cc: New source file.
581         * testsuite/incr_comdat_test_2_v3.cc: New source file.
582
583 2011-09-13  Ian Lance Taylor  <iant@google.com>
584
585         * object.cc (Sized_relobj_file::do_layout): Remove unused local
586         variable external_symbols_offset.
587
588 2011-09-12  Ian Lance Taylor  <iant@google.com>
589
590         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
591         triggered if object has no symbols.
592
593 2011-09-09  David S. Miller  <davem@davemloft.net>
594
595         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
596         (Output_fill_debug_line::do_write): Likewise.
597
598 2011-08-29  Cary Coutant  <ccoutant@google.com>
599
600         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
601         casts to match formatting specs.
602         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
603
604 2011-08-26  Cary Coutant  <ccoutant@google.com>
605
606         * layout.cc (Free_list::allocate): Provide guarantee of minimum
607         remaining hole size when allocating.
608         (Layout::make_output_section): Set fill methods for debug sections.
609         * layout.h (Free_list::Free_list_node): Move from private to
610         public.
611         (Free_list::set_min_hole_size): New function.
612         (Free_list::begin, Free_list::end): New functions.
613         (Free_list::min_hole_): New data member.
614         * output.cc: Include dwarf.h.
615         (Output_fill_debug_info::do_minimum_hole_size): New function.
616         (Output_fill_debug_info::do_write): New function.
617         (Output_fill_debug_line::do_minimum_hole_size): New function.
618         (Output_fill_debug_line::do_write): New function.
619         (Output_section::Output_section): Initialize new data member.
620         (Output_section::set_final_data_size): Ensure patch space is larger
621         than minimum hole size.
622         (Output_section::do_write): Fill holes in debug sections.
623         * output.h (Output_fill): New class.
624         (Output_fill_debug_info): New class.
625         (Output_fill_debug_line): New class.
626         (Output_section::set_free_space_fill): New function.
627         (Output_section::free_space_fill_): New data member.
628         * testsuite/Makefile.am (incremental_test_3): Add
629         --incremental-patch option.
630         (incremental_test_4): Likewise.
631         (incremental_test_5): Likewise.
632         (incremental_test_6): Likewise.
633         (incremental_copy_test): Likewise.
634         (incremental_common_test_1): Likewise.
635         * testsuite/Makefile.in: Regenerate.
636
637 2011-08-26  Nick Clifton  <nickc@redhat.com>
638
639         * po/es.po: Updated Spanish translation.
640
641 2011-08-01  Cary Coutant  <ccoutant@google.com>
642
643         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
644         * gold/testsuite/Makefile.in: Regenerate.
645         * gold/testsuite/justsyms_exec.c: New source file.
646         * gold/testsuite/justsyms_lib.c: New source file.
647
648 2011-08-01  Cary Coutant  <ccoutant@google.com>
649
650         * layout.cc (Layout::set_segment_offsets): Don't realign text
651         segment if -Ttext was specified.
652         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
653         file type.
654         * object.h (Sized_relobj_file::e_type): New function.
655         (Sized_relobj_file::e_type_): New data member.
656         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
657         base address for ET_EXEC files.
658         * target.cc (Target::do_make_elf_object_implementation): Allow
659         ET_EXEC files with --just-symbols option.
660
661 2011-07-28  Cary Coutant  <ccoutant@google.com>
662
663         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
664         Add thread_number parameter.
665         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
666         * workqueue-threads.cc
667         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
668         current thread if its thread number is greater than desired thread
669         count.
670         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
671         Add thread_number parameter.
672         (Workqueue::should_cancel_thread): Likewise.
673         (Workqueue::find_runnable_or_wait): Pass thread_number to
674         should_cancel_thread.
675         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
676         parameter.
677
678 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
679
680         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
681         only after checking if it cannot be forced local.
682         * symtab.h (is_externally_visible): Check if the symbol is not forced
683         local.
684
685 2011-07-15  Ian Lance Taylor  <iant@google.com>
686
687         * options.h (class General_options): Add --print-output-format.
688         Move -EL next to -EB, for  better --help output.
689         * target-select.cc: Include <cstdio>, "options.h", and
690         "parameters.h".
691         (Target_selector::do_target_bfd_name): New function.
692         (print_output_format): New function.
693         * target-select.h (class Target_selector): Update declarations.
694         (Target_selector::target_bfd_name): New function.
695         (print_output_format): Declare.
696         * main.cc: Include "target-select.h".
697         (main): Handle --print-output-format.
698         * gold.cc: Include "target-select.h".
699         (queue_initial_tasks): Handle --print-output-format when there are
700         no input files.
701         * parameters.cc (parameters_force_valid_target): Give a better
702         error message if -EB/-EL does not match target.
703         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
704         function.
705
706 2011-07-15  Ian Lance Taylor  <iant@google.com>
707
708         * i386.cc (class Output_data_plt_i386): Add layout_ field.
709         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
710         (Output_data_plt_i386::do_write): Write address of .dynamic
711         section to first entry in .got.plt section.
712         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
713         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
714         Initialize layout_.
715         (Output_data_plt_x86_64::do_write): Write address of .dynamic
716         section to first entry in .got.plt section.
717         * layout.h (Layout::dynamic_section): New function.
718
719 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
720
721         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
722         to claim_file call.
723         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
724         input_section_position_, and input_section_glob_.
725         (read_layout_from_file): Call function section_ordering_specified.
726         * layout.h (is_section_ordering_specified): New function.
727         (section_ordering_specified): New function.
728         (section_ordering_specified_): New boolean member.
729         * main.cc(main): Call load_plugins after layout object is defined.
730         * output.cc (Output_section::add_input_section): Use
731         function section_ordering_specified to check if section ordering is
732         needed.
733         * output.cc (Output_section::add_relaxed_input_section): Use
734         function section_ordering_specified to check if section ordering is
735         needed.
736         (Output_section::update_section_layout): New function.
737         (Output_section::sort_attached_input_sections): Check if input section
738         must be reordered.
739         * output.h (Output_section::update_section_layout): New function.
740         * plugin.cc (get_section_count): New function.
741         (get_section_type): New function.
742         (get_section_name): New function.
743         (get_section_contents): New function.
744         (update_section_order): New function.
745         (allow_section_ordering): New function. 
746         (Plugin::load): Add the new interfaces to the transfer vector.
747         (Plugin_manager::load_plugins): New parameter.
748         (Plugin_manager::all_symbols_read): New parameter.
749         (Plugin_manager::claim_file): New parameter. Save the elf object for
750         unclaimed objects.
751         (Plugin_manager::get_elf_object): New function.
752         (Plugin_manager::get_view): Change to directly use the bool to check
753         if get_view is called from claim_file_hook.
754         * plugin.h (input_objects): New function
755         (Plugin__manager::load_plugins): New parameter.
756         (Plugin_manager::claim_file): New parameter.
757         (Plugin_manager::get_elf_object): New function.
758         (Plugin_manager::in_claim_file_handler): New function.
759         (Plugin_manager::in_claim_file_handler_): New member.
760         (layout): New function.
761         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
762         handler with an extra parameter. Make the elf object before calling
763         claim_file handler.
764         * testsuite/plugin_test.c (get_section_count): New function pointer.
765         (get_section_type): New function pointer.
766         (get_section_name): New function pointer.
767         (get_section_contents): New function pointer.
768         (update_section_order): New function pointer.
769         (allow_section_ordering): New function pointer.
770         (onload): Check if the new interfaces exist.
771
772 2011-07-13  Ian Lance Taylor  <iant@google.com>
773
774         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
775         relro section.
776         * x86_64.cc (Target_x86_64::got_section): Likewise.
777         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
778         (relro_now_test_SOURCES): New variable.
779         (relro_now_test_DEPENDENCIES): New variable.
780         (relro_now_test_LDFLAGS): New variable.
781         (relro_now_test_LDADD): New variable.
782         (relro_now_test.so): New target.
783         * testsuite/Makefile.in: Rebuild.
784
785 2011-07-12  Ian Lance Taylor  <iant@google.com>
786
787         PR gold/12980
788         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
789         GLOB_DAT relocation rather than a RELATIVE relocation for a
790         protected symbol when creating a shared library.
791         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
792         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
793         * testsuite/protected_main_1.cc (main): Test that protected
794         function has same address.
795
796 2011-07-11  Ian Lance Taylor  <iant@google.com>
797
798         PR gold/12979
799         * options.h (class General_options): Add -Bgroup.
800         * options.cc (General_options::finalize): If -Bgroup is set,
801         default to --unresolved-symbols=report-all.
802         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
803         * target-reloc.h (issue_undefined_symbol_error): Handle
804         --unresolved-symbols=report-all.
805
806 2011-07-08  Ian Lance Taylor  <iant@google.com>
807
808         PR gold/11985
809         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
810         if linker script discards key sections.
811         (Layout::create_dynamic_symtab): Likewise.
812         (Layout::assign_local_dynsym_offsets): Likewise.
813         (Layout::sized_create_version_sections): Likewise.
814         (Layout::create_interp): Likewise.
815         (Layout::finish_dynamic_section): Likewise.
816         (Layout::set_dynamic_symbol_size): Likewise.
817
818 2011-07-08  Ian Lance Taylor  <iant@google.com>
819
820         PR gold/12386
821         * options.h (class General_options): Add --unresolved-symbols.
822         * target-reloc.h (issue_undefined_symbol_error): Check
823         --unresolved-symbols.  Add comments.
824
825 2011-07-08  Ian Lance Taylor  <iant@google.com>
826
827         * testsuite/odr_violation2.cc (Ordering::operator()): Make
828         expression more complex.
829
830 2011-07-08  Ian Lance Taylor  <iant@google.com>
831
832         PR gold/11317
833         * target-reloc.h (issue_undefined_symbol_error): New inline
834         function, broken out of relocate_section.
835         (relocate_section): Call issue_undefined_symbol_error.
836         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
837         there is no TLS segment if we are about to issue an undefined
838         symbol error.
839         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
840
841 2011-07-08  Ian Lance Taylor  <iant@google.com>
842
843         PR gold/12279
844         * resolve.cc (Symbol_table::should_override): Add fromtype
845         parameter.  Change all callers.  Give error when linking together
846         TLS and non-TLS symbol.
847         (Symbol_table::should_override_with_special): Add fromtype
848         parameter.  Change all callers.
849         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
850         there is no TLS segment if we have reported some errors.
851         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
852
853 2011-07-08  Ian Lance Taylor  <iant@google.com>
854
855         PR gold/12372
856         * target.h (Target::plt_address_for_global): New function.
857         (Target::plt_address_for_local): New function.
858         (Target::plt_section_for_global): Remove.
859         (Target::plt_section_for_local): Remove.
860         (Target::do_plt_address_for_global): New virtual function.
861         (Target::do_plt_address_for_local): New virtual function.
862         (Target::do_plt_section_for_global): Remove.
863         (Target::do_plt_section_for_local): Remove.
864         (Target::register_global_plt_entry): Add Symbol_table and Layout
865         parameters.
866         * output.cc (Output_data_got::Got_entry::write): Use
867         plt_address_for_global and plt_address_for_local.
868         * layout.cc (Layout::add_target_dynamic_tags): Use size and
869         address of output section.
870         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
871         got_irelative_, and irelative_count_ fields.  Update
872         declarations.
873         (Output_data_plt_i386::has_irelative_section): New function.
874         (Output_data_plt_i386::entry_count): Add irelative_count_.
875         (Output_data_plt_i386::set_final_data_size): Likewise.
876         (class Target_i386): Add got_irelative_ and rel_irelative_
877         fields.  Update declarations.
878         (Target_i386::Target_i386): Initialize new fields.
879         (Target_i386::do_plt_address_for_global): New function replacing
880         do_plt_section_for_global.
881         (Target_i386::do_plt_address_for_local): New function replacing
882         do_plt_section_for_local.
883         (Target_i386::got_section): Create got_irelative_.
884         (Target_i386::rel_irelative_section): New function.
885         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
886         fields.  Don't define __rel_iplt_{start,end}.
887         (Output_data_plt_i386::add_entry): Add symtab and layout
888         parameters.  Change all callers.  Use different PLT and GOT for
889         IFUNC symbols.
890         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
891         layout parameters.  Change all callers.  Use different PLT and
892         GOT.
893         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
894         (Output_data_plt_i386::rel_irelative): New function.
895         (Output_data_plt_i386::address_for_global): New function.
896         (Output_data_plt_i386::address_for_local): New function.
897         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
898         IRELATIVE GOT when changing IFUNC GOT entries.
899         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
900         reloc.
901         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
902         if we didn't create an IRELATIVE GOT.
903         (Target_i386::Relocate::relocate): Use plt_address_for_global and
904         plt_address_for_local.
905         (Target_i386::do_dynsym_value): Use plt_address_for_global.
906         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
907         got_irelative_, and irelative_count_ fields.  Update
908         declarations.
909         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
910         Initialize new fields.  Remove symtab parameter.  Change all
911         callers.
912         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
913         irelative_count_.
914         (Output_data_plt_x86_64::has_irelative_section): New function.
915         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
916         (class Target_x86_64): Add got_irelative_ and rel_irelative_
917         fields.  Update declarations.
918         (Target_x86_64::Target_x86_64): Initialize new fields.
919         (Target_x86_64::do_plt_address_for_global): New function replacing
920         do_plt_section_for_global.
921         (Target_x86_64::do_plt_address_for_local): New function replacing
922         do_plt_section_for_local.
923         (Target_x86_64::got_section): Create got_irelative_.
924         (Target_x86_64::rela_irelative_section): New function.
925         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
926         all callers.  Don't create __rel_iplt_{start,end}.
927         (Output_data_plt_x86_64::add_entry): Add symtab and layout
928         parameters.  Change all callers.  Use different PLT and GOT for
929         IFUNC symbols.
930         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
931         layout parameters.  Change all callers.  Use different PLT and
932         GOT.
933         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
934         parameters.  Change all callers.  Use different PLT and GOT for
935         IFUNC symbols.
936         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
937         (Output_data_plt_x86_64::rela_irelative): New function.
938         (Output_data_plt_x86_64::address_for_global): New function.
939         (Output_data_plt_x86_64::address_for_local): New function.
940         (Output_data_plt_x86_64::set_final_data_size): Likewise.
941         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
942         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
943         (Target_x86_64::register_global_plt_entry): Add symtab and layout
944         parameters.
945         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
946         reloc.
947         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
948         symbols if we didn't create an IRELATIVE GOT.
949         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
950         plt_address_for_local.
951         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
952         * testsuite/ifuncvar1.c: New test file.
953         * testsuite/ifuncvar2.c: New test file.
954         * testsuite/ifuncvar3.c: New test file.
955         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
956         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
957         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
958         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
959         * testsuite/Makefile.in: Rebuild.
960
961 2011-07-07  Cary Coutant  <ccoutant@google.com>
962
963         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
964         (two_file_test_1_ndebug.o): Likewise.
965         (two_file_test_1b_ndebug.o): Likewise.
966         (two_file_test_2_ndebug.o): Likewise.
967         (two_file_test_main_ndebug.o): Likewise.
968         (incremental_test_2): Link with no-debug versions.
969
970 2011-07-06  Cary Coutant  <ccoutant@google.com>
971
972         * gold/incremental.cc
973         (Output_section_incremental_inputs::write_info_blocks): Check for
974         hidden and internal symbols.
975
976 2011-07-06  Cary Coutant  <ccoutant@google.com>
977
978         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
979         Check disposition for startup file.
980         (Incremental_inputs::report_command_line): Ignore
981         --incremental-startup-unchanged option.
982         * options.cc (General_options::parse_incremental_startup_unchanged):
983         New function.
984         (General_options::General_options): Initialize new data member.
985         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
986         (General_options): Add --incremental-startup-unchanged option.
987         (General_options::incremental_startup_disposition): New function.
988         (General_options::incremental_startup_disposition_): New data member.
989
990 2011-07-06  Cary Coutant  <ccoutant@google.com>
991
992         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
993         input file index to Script_info ctor.
994         (Sized_incremental_binary::do_file_has_changed): Find the
995         command-line argument for files named in scripts.
996         * incremental.h (Script_info::Script_info): New ctor
997         with input file index.
998         (Script_info::input_file_index): New function.
999         (Script_info::input_file_index_): New data member.
1000         (Incremental_binary::get_library): Add const.
1001         (Incremental_binary::get_script_info): Add const.
1002         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1003         * testsuite/Makefile.am (incremental_test_5): New test case.
1004         (incremental_test_6): New test case.
1005         * testsuite/Makefile.in: Regenerate.
1006
1007 2011-07-06  Cary Coutant  <ccoutant@google.com>
1008
1009         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1010         debug output when command lines differ.
1011
1012 2011-07-06  Cary Coutant  <ccoutant@google.com>
1013
1014         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1015         --incremental-patch option.
1016         * layout.cc (Free_list::allocate): Extend allocation beyond original
1017         end if enabled.
1018         (Layout::make_output_section): Mark sections that should get
1019         patch space.
1020         * options.cc (parse_percent): New function.
1021         * options.h (parse_percent): New function.
1022         (DEFINE_percent): New macro.
1023         (General_options): Add --incremental-patch option.
1024         * output.cc (Output_section::Output_section): Initialize new data
1025         members.
1026         (Output_section::add_input_section): Print section name when out
1027         of patch space.
1028         (Output_section::add_output_section_data): Likewise.
1029         (Output_section::set_final_data_size): Add patch space when
1030         doing --incremental-full.
1031         (Output_section::do_reset_address_and_file_offset): Remove patch
1032         space.
1033         (Output_segment::set_section_list_addresses): Print debug output
1034         only if --incremental-update.
1035         * output.h (Output_section::set_is_patch_space_allowed): New function.
1036         (Output_section::is_patch_space_allowed_): New data member.
1037         (Output_section::patch_space_): New data member.
1038         * parameters.cc (Parameters::incremental_full): New function.
1039         * parameters.h (Parameters::incremental_full): New function
1040         * testsuite/Makefile.am (incremental_test_2): Add test for
1041         --incremental-patch option.
1042         * testsuite/Makefile.in: Regenerate.
1043         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1044         (t18): Remove function body.
1045
1046 2011-07-05  Doug Kwan  <dougkwan@google.com>
1047
1048         PR gold/12771
1049         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1050         Arm_Address type for relocation result.
1051         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1052         overflow check.
1053         (Arm_relocate_functions::abs32): Use unaligned access.
1054         (Arm_relocate_functions::rel32): Ditto.
1055         (Arm_relocate_functions::prel31): Ditto.
1056         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1057         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1058         static data relocations.
1059         * testsuite/Makefile.in: Regnerate.
1060         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1061
1062 2011-07-05  Ian Lance Taylor  <iant@google.com>
1063
1064         PR gold/12392
1065         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1066         symbols if necessary.
1067         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1068
1069 2011-07-05  Ian Lance Taylor  <iant@google.com>
1070
1071         PR gold/12952
1072         * resolve.cc (Symbol::override_base_with_special): Simply override
1073         version with special symbol version, ignoring previous version.
1074
1075 2011-07-05  Ian Lance Taylor  <iant@google.com>
1076
1077         * object.cc (Sized_relobj_file::include_section_group): Add
1078         information to comment about signature location.
1079
1080 2011-07-02  Ian Lance Taylor  <iant@google.com>
1081
1082         PR gold/12957
1083         * options.h (class General_options): Add -f and -F.
1084         * options.cc (General_options::finalize): Fatal error if -f/-F
1085         are used without -shared.
1086         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1087
1088 2011-07-02  Ian Lance Taylor  <iant@google.com>
1089
1090         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1091
1092 2011-07-01  Ian Lance Taylor  <iant@google.com>
1093
1094         PR gold/12525
1095         PR gold/12952
1096         * resolve.cc (Symbol::override_base_with_special): Don't override
1097         the version if the overriding symbol has a different name.
1098         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1099         all callers.  If we give an error about an undefined version,
1100         define the base version if necessary.
1101         * dynobj.h (class Versions): Update declaration.
1102         * testsuite/weak_alias_test_5.cc: New file.
1103         * testsuite/weak_alias_test.script: New file.
1104         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1105         and versioned_alias have the right value, and call t2.
1106         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1107         weak_alias_test_5.so.
1108         (weak_alias_test_LDADD): Likewise.
1109         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1110         * testsuite/Makefile.in: Rebuild.
1111
1112 2011-07-01  Ian Lance Taylor  <iant@google.com>
1113
1114         PR gold/12525
1115         * options.h (class General_options): Support -z notext.
1116         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1117         -Wl,-z,notext.
1118         (two_file_shared_nonpic.so): Likewise.
1119         (two_file_shared_mixed.so): Likewise.
1120         (two_file_shared_mixed_1.so): Likewise.
1121         (weak_undef_lib_nonpic.so): Likewise.
1122         (alt/weak_undef_lib_nonpic.so): Likewise.
1123         (tls_test_shared_nonpic.so): Likewise.
1124         * testsuite/Makefile.in: Rebuild.
1125
1126 2011-07-01  Ian Lance Taylor  <iant@google.com>
1127
1128         PR gold/12525
1129         * configure.ac: Test whether static linking works, setting
1130         the automake conditional HAVE_STATIC.
1131         * testsuite/Makefile.am: Disable tests using -static if
1132         HAVE_STATIC is not true.
1133         * configure, testsuite/Makefile.in: Rebuild.
1134
1135 2011-07-01  Ian Lance Taylor  <iant@google.com>
1136
1137         PR gold/12525
1138         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1139         Assert if we see DW_EH_PE_indirect.
1140         * target.h (Target::ehframe_datarel_base): New function.
1141         (Target::do_ehframe_datarel_base): New target function.
1142         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1143         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1144         function.
1145
1146 2011-07-01  Ian Lance Taylor  <iant@google.com>
1147
1148         PR gold/12571
1149         * options.h (class General_options): Add
1150         --ld-generated-unwind-info.
1151         * ehframe.cc (Fde::write): Add address parameter.  Change all
1152         callers.  If associated with PLT, fill in address and size.
1153         (Cie::set_output_offset): Only add merge mapping if there is an
1154         object.
1155         (Cie::write): Add address parameter.  Change all callers.
1156         (Eh_frame::add_ehframe_for_plt): New function.
1157         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1158         input_offset_ fields into union u_, with new plt field.
1159         (Fde::Fde): Adjust for new union field.
1160         (Fde::Fde) [Output_data version]: New constructor.
1161         (Fde::add_mapping): Only add merge mapping if there is an object.
1162         (class Cie): Update declarations.
1163         (class Eh_frame): Declare add_ehframe_for_plt.
1164         * layout.cc (Layout::layout_eh_frame): Break out code into
1165         make_eh_frame_section, and call it.
1166         (Layout::make_eh_frame_section): New function.
1167         (Layout::add_eh_frame_for_plt): New function.
1168         * layout.h (class Layout): Update declarations.
1169         * merge.cc (Merge_map::add_mapping): Add assertion.
1170         * i386.cc: Include "dwarf.h".
1171         (class Output_data_plt_i386): Make first_plt_entry,
1172         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1173         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1174         and plt_eh_frame_fde.
1175         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1176         boundary.  Call add_eh_frame_for_plt if appropriate.
1177         * x86_64.cc: Include "dwarf.h".
1178         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1179         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1180         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1181         and plt_eh_frame_fde.
1182         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1183         appropriate.
1184
1185 2011-06-29  Ian Lance Taylor  <iant@google.com>
1186
1187         PR gold/12629
1188         * object.cc (Sized_relobj_file::layout_section): Change shdr
1189         parameter to be const.
1190         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1191         out of do_layout.
1192         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1193         appropriate.  Call layout_eh_frame_section.
1194         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1195         sections.
1196         * object.h (class Sized_relobj_file): Update declarations.
1197
1198 2011-06-29  Ian Lance Taylor  <iant@google.com>
1199
1200         PR gold/12652
1201         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1202         modifier.
1203         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1204
1205 2011-06-29  Ian Lance Taylor  <iant@google.com>
1206
1207         PR gold/12675
1208         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1209         SHT_X86_64_UNWIND.
1210         * layout.cc (Layout::layout_eh_frame): Likewise.
1211
1212 2011-06-29  Ian Lance Taylor  <iant@google.com>
1213
1214         PR gold/12695
1215         * layout.cc (Layout::symtab_section_shndx): New function.
1216         * layout.h (class Layout): Declare symtab_section_shndx.
1217         * output.cc (Output_section::write_header): Call it.
1218
1219 2011-06-29  Ian Lance Taylor  <iant@google.com>
1220
1221         PR gold/12818
1222         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1223         symbols which are not used in a relocation.
1224
1225 2011-06-28  Ian Lance Taylor  <iant@google.com>
1226
1227         PR gold/12898
1228         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1229         script create indistinguishable segments.
1230         (Layout::set_segment_offsets): Use stable_sort when sorting
1231         segments.  Pass this to Compare_segments constructor.
1232         * layout.h (class Layout): Make segment_precedes non-static.
1233         (class Compare_segments): Change from struct to class.  Add
1234         layout_ field.  Add constructor.
1235         * script-sections.cc
1236         (Script_sections::attach_sections_using_phdrs_clause): Rename
1237         local orphan to is_orphan.  Don't report failure to put empty
1238         section in segment.  On attachment failure, report name of
1239         section, and attach to first PT_LOAD segment.
1240
1241 2011-06-28  Ian Lance Taylor  <iant@google.com>
1242
1243         PR gold/12934
1244         * target-select.cc (Target_selector::Target_selector): Add
1245         emulation parameter.  Change all callers.
1246         (select_target_by_bfd_name): Rename from select_target_by_name.
1247         Change all callers.
1248         (select_target_by_emulation): New function.
1249         (supported_emulation_names): New function.
1250         * target-select.h (class Target_selector): Add emulation_ field.
1251         Update declarations.
1252         (Target_selector::recognize_by_bfd_name): Rename from
1253         recognize_by_name.  Change all callers.
1254         (Target_selector::supported_bfd_names): Rename from
1255         supported_names.  Change all callers.
1256         (Target_selector::recognize_by_emulation): New function.
1257         (Target_selector::supported_emulations): New function.
1258         (Target_selector::emulation): New function.
1259         (Target_selector::do_recognize_by_bfd_name): Rename from
1260         do_recognize_by_name.  Change all callers.
1261         (Target_selector::do_supported_bfd_names): Rename from
1262         do_supported_names.  Change all callers.
1263         (Target_selector::do_recognize_by_emulation): New function.
1264         (Target_selector::do_supported_emulations): New function.
1265         (select_target_by_bfd_name): Change name in declaration.
1266         (select_target_by_emulation): Declare.
1267         (supported_emulation_names): Declare.
1268         * parameters.cc (parameters_force_valid_target): Try to find
1269         target based on emulation from -m option.
1270         * options.h (class General_options): Change doc string for -m.
1271         * options.cc (help): Print emulations.
1272         (General_options::parse_V): Likewise.
1273         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1274         Add emulation parameter.  Change all callers.
1275
1276 2011-06-28  Ian Lance Taylor  <iant@google.com>
1277
1278         * target.h (class Target): Add osabi_ field.
1279         (Target::osabi): New function.
1280         (Target::set_osabi): New function.
1281         (Target::Target): Initialize osabi_.
1282         (Target::do_adjust_elf_header): Make pure virtual.
1283         (Sized_target::do_adjust_elf_header): Declare.
1284         * target.cc (Sized_target::do_adjust_elf_header): New function.
1285         (class Sized_target): Instantiate all versions.
1286         * freebsd.h (class Target_freebsd): Remove.
1287         (Target_selector_freebsd::do_recognize): Call set_osabi on
1288         Target.
1289         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1290         (Target_selector_freebsd::set_osabi): Remove.
1291         * i386.cc (class Target_i386): Inherit from Sized_target rather
1292         than Target_freebsd.
1293         * x86_64.cc (class Target_x86_64): Likewise.
1294
1295 2011-06-28  Ian Lance Taylor  <iant@google.com>
1296
1297         * target.h (Target::can_check_for_function_pointers): Rewrite.
1298         Make non-virtual.
1299         (Target::can_icf_inline_merge_sections): Likewise.
1300         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1301         (Target::Target_info): Add can_icf_inline_merge_sections field.
1302         (Target::do_can_check_for_function_pointers): New virtual
1303         function.
1304         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1305         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1306         from can_check_for_function_pointers, move in file.
1307         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1308         section_may_have_icf_unsafe_poineters, move in file.
1309         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1310         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1311         Rename from can_check_for_function_pointers, move in file.
1312         (Target_i386::can_icf_inline_merge_sections): Remove.
1313         (Target_i386::i386_info): Initialize
1314         can_icf_inline_merge_sections.
1315         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1316         Initialize can_icf_inline_merge_sections.
1317         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1318         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1319         Rename from can_check_for_function_pointers, move in file.
1320         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1321         (Target_x86_64::x86_64_info): Initialize
1322         can_icf_inline_merge_sections.
1323         * testsuite/testfile.cc (Target_test::test_target_info):
1324         Likewise.
1325         * icf.cc (get_section_contents): Correct formatting.
1326
1327 2011-06-27  Ian Lance Taylor  <iant@google.com>
1328
1329         * symtab.cc (Symbol::versioned_name): New function.
1330         (Symbol_table::add_to_final_symtab): Use versioned_name when
1331         appropriate.
1332         (Symbol_table::sized_write_symbol): Likewise.
1333         * symtab.h (class Symbol): Declare versioned_name.
1334         * stringpool.h (class Stringpool_template): Add variant of add
1335         which takes a std::basic_string.
1336         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1337         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1338         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1339         (ver_test_12.o): New target.
1340         * testsuite/Makefile.in: Rebuild.
1341
1342 2011-06-27  Doug Kwan  <dougkwan@google.com>
1343
1344         * arm.cc (Arm_relocate_functions::thm_jump8,
1345         Arm_relocate_functions::thm_jump11): Use a wider signed
1346         type to compute offset.
1347         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1348         arm_thm_jump8.
1349         * testsuite/Makefile.in: Regenerate.
1350         * testsuite/arm_branch_in_range.sh: Check test results of
1351         arm_thm_jump11 and arm_thm_jump8.
1352         * testsuite/arm_thm_jump11.s: New test source file.
1353         * testsuite/arm_thm_jump11.t: New linker script.
1354         * testsuite/arm_thm_jump8.s: New test source file.
1355         * testsuite/arm_thm_jump8.t: New linker script.
1356
1357 2011-06-24  Ian Lance Taylor  <iant@google.com>
1358
1359         * layout.cc: Include "object.h".
1360         (ctors_sections_in_init_array): New static variable.
1361         (Layout::is_ctors_in_init_array): New function.
1362         (Layout::layout): Add entry to ctors_sections_in_init_array if
1363         appropriate.
1364         * layout.h (class Layout): Declare is_ctors_in_init_array.
1365         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1366         is_ctors_reverse_view is set.
1367         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1368         all callers.  Set is_ctors_reverse_view field of View_size.
1369         (Sized_relobj_file::reverse_words): New function.
1370         * object.h (Sized_relobj_file::View_size): Add
1371         is_ctors_reverse_view field.
1372         (class Sized_relobj_file): Update declarations.
1373         * testsuite/initpri3.c: New test.
1374         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1375         initpri3b.
1376         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1377         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1378         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1379         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1380         * testsuite/Makefile.in: Rebuild.
1381
1382 2011-06-24  Cary Coutant  <ccoutant@google.com>
1383
1384         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1385         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1386         (debug_msg_cdebug.err): New targets.
1387         * testsuite/Makefile.in: Regenerate.
1388         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1389         Fix checks for link with shared library.
1390
1391 2011-06-24  Doug Kwan  <dougkwan@google.com>
1392
1393         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1394         skip empty text sections.
1395         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1396
1397 2011-06-22  Ian Lance Taylor  <iant@google.com>
1398
1399         PR gold/12910
1400         * options.h (class General_options): Add --ctors-in-init-array.
1401         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1402         friends as SHT_PROGBITS for merging sections.
1403         (Layout::layout): Remove special handling of .init_array and
1404         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1405         and .dtors if ctors_in_init_array.
1406         (Layout::make_output_section): Force correct section types for
1407         .init_array and friends.  Don't sort if doing relocatable link,
1408         Don't sort .ctors and .dtors if ctors_in_init_array.
1409         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1410         (Layout::output_section_name): Add relobj parameter.  Change all
1411         callers.  Handle .ctors. and .dtors. in code rather than table.
1412         Handle .ctors and .dtors if ctors_in_init_array.
1413         (Layout::match_file_name): New function, moved from output.cc.
1414         * layout.h (class Layout): Update declarations.
1415         * output.cc: Include "layout.h".
1416         (Input_section_sort_entry::get_priority): New function.
1417         (Input_section_sort_entry::match_file_name): Just call
1418         Layout::match_file_name.
1419         (Output_section::Input_section_sort_init_fini_compare::operator()):
1420         Handle .ctors and .dtors.  Sort by explicit priority rather than
1421         by name.
1422         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1423         * testsuite/initpri2.c: New test.
1424         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1425         (check_PROGRAMS): Add initpri2.
1426         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1427         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1428         * configure, testsuite/Makefile.in: Rebuild.
1429
1430 2011-06-19  Ian Lance Taylor  <iant@google.com>
1431
1432         PR gold/12880
1433         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1434         .interp section to a PT_INTERP segment even if we have seen a
1435         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1436         clause in a linker script.
1437         (Layout::finalize): Don't create a .interp section if we've
1438         already create a PT_INTERP segment.
1439         (Layout::create_interp): Always call choose_output_section (revert
1440         patch of 2011-06-17).  Don't create PT_INTERP segment.
1441         * script-sections.cc
1442         (Script_sections::create_note_and_tls_segments): Add a .interp
1443         section to a PT_INTERP segment even if we have seen a
1444         --dynamic-linker option.
1445
1446 2011-06-18  Ian Lance Taylor  <iant@google.com>
1447
1448         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1449         merely because a non-PT_LOAD segment has a dynamic reloc.
1450
1451 2011-06-18  Ian Lance Taylor  <iant@google.com>
1452
1453         * layout.cc (Layout::finish_dynamic_section): Don't create
1454         DT_FLAGS entry if not needed.
1455
1456 2011-06-18  Ian Lance Taylor  <iant@google.com>
1457
1458         PR gold/12745
1459         * layout.cc (Layout::layout_eh_frame): Correct handling of
1460         writable .eh_frame section.
1461
1462 2011-06-17  Ian Lance Taylor  <iant@google.com>
1463
1464         PR gold/12893
1465         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1466         symbol is redefined with the exact same object and value.
1467
1468 2011-06-17  Ian Lance Taylor  <iant@google.com>
1469
1470         PR gold/12880
1471         * layout.h (class Layout): Add interp_segment_ field.
1472         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1473         (Layout::attach_allocated_section_to_segment): If making shared
1474         library, put .interp section in PT_INTERP segment.
1475         (Layout::finalize): Also call create_interp if -dynamic-linker
1476         option was used.
1477         (Layout::create_interp): Assert that there is no PT_INTERP
1478         segment.  If not using a SECTIONS clause, use make_output_section.
1479         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1480         * script-sections.cc
1481         (Script_sections::create_note_and_tls_segments): If making shared
1482         library, put .interp section in PT_INTERP segment.
1483
1484 2011-06-17  Ian Lance Taylor  <iant@google.com>
1485
1486         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1487         when making a shared library.
1488
1489 2011-06-17  Ian Lance Taylor  <iant@google.com>
1490
1491         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1492         parameter.  Change all callers.  Don't issue warning about PC32
1493         against locally defined symbol.
1494
1495 2011-06-16  Ian Lance Taylor  <iant@google.com>
1496
1497         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1498         occurs in same object.
1499
1500 2011-06-14  Alan Modra  <amodra@gmail.com>
1501
1502         * po/POTFILES.in: Regenerate.
1503
1504 2011-06-09  Ian Lance Taylor  <iant@google.com>
1505
1506         * script-sections.cc
1507         (Orphan_output_section::set_section_addresses): For a relocatable
1508         link set address to 0.
1509
1510 2011-06-09  Cary Coutant  <ccoutant@google.com>
1511
1512         PR gold/12804
1513         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1514         used with --compress-debug-sections.
1515         * gold/object.cc (Sized_relobj_file::do_layout): Report
1516         uncompressed size of compressed input sections.
1517
1518 2011-06-08  Cary Coutant  <ccoutant@google.com>
1519
1520         PR gold/12804
1521         * testsuite/two_file_test_2_v1.cc: Change initialization of
1522         v2 to keep it in .data.
1523
1524 2011-06-07  Cary Coutant  <ccoutant@google.com>
1525
1526         * common.cc (Symbol_table::do_allocate_commons_list): Call
1527         gold_fallback.
1528         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1529         (Errors::fallback): New function.
1530         (gold_fallback): New function.
1531         * errors.h (Errors::fallback): New function.
1532         * gold.cc (gold_exit): Change status parameter to enum; adjust
1533         all callers.
1534         (queue_initial_tasks): Call gold_fallback.
1535         * gold.h: Include cstdlib.
1536         (Exit_status): New enum type.
1537         (gold_exit): Change status parameter to enum.
1538         (gold_fallback): New function.
1539         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1540         (Layout::create_symtab_sections): Likewise.
1541         (Layout::create_shdrs): Likewise.
1542         * main.cc (main): Adjust call to gold_exit.
1543         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1544         (Output_data_got::add_got_entry_pair): Likewise.
1545         (Output_section::add_input_section): Likewise.
1546         (Output_section::add_output_section_data): Likewise.
1547         (Output_segment::set_section_list_addresses): Likewise.
1548         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1549
1550 2011-06-07  Cary Coutant  <ccoutant@google.com>
1551
1552         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1553         for incremental links.
1554         * output.cc (Output_segment::set_section_list_addresses): Remove
1555         FIXME and test for TLS or BSS.
1556
1557 2011-06-07  Cary Coutant  <ccoutant@google.com>
1558
1559         * testsuite/Makefile.am: Add incremental_copy_test,
1560         incremental_common_test_1.
1561         * testsuite/Makefile.in: Regenerate.
1562         * testsuite/common_test_1_v1.c: New source file.
1563         * testsuite/common_test_1_v2.c: New source file.
1564         * testsuite/copy_test_v1.cc: New source file.
1565
1566 2011-06-07  Cary Coutant  <ccoutant@google.com>
1567
1568         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1569         update, allocate common from bss section's free list.
1570         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1571         linker-defined symbols.
1572         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1573         Skip GOT and PLT entries that are no longer referenced.
1574         (Output_section_incremental_inputs::write_info_blocks): Mark
1575         linker-defined symbols.
1576         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1577         * output.cc (Output_section::allocate): New function.
1578         * output.h (Output_section::allocate): New function.
1579         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1580         linker-defined symbols.
1581         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1582         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1583         (Symbol::init_base_output_data): Likewise.
1584         (Symbol::init_base_output_segment): Likewise.
1585         (Symbol::init_base_constant): Likewise.
1586         (Sized_symbol::init_output_data): Likewise.
1587         (Sized_symbol::init_output_segment): Likewise.
1588         (Sized_symbol::init_constant): Likewise.
1589         (Symbol_table::do_define_in_output_data): Likewise.
1590         (Symbol_table::do_define_in_output_segment): Likewise.
1591         (Symbol_table::do_define_as_constant): Likewise.
1592         * symtab.h (Symbol::is_predefined): New function.
1593         (Symbol::init_base_output_data): Add is_predefined parameter.
1594         (Symbol::init_base_output_segment): Likewise.
1595         (Symbol::init_base_constant): Likewise.
1596         (Symbol::is_predefined_): New data member.
1597         (Sized_symbol::init_output_data): Add is_predefined parameter.
1598         (Sized_symbol::init_output_segment): Likewise.
1599         (Sized_symbol::init_constant): Likewise.
1600         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1601
1602 2011-06-07  Cary Coutant  <ccoutant@google.com>
1603
1604         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1605         instead of emit_copy_reloc.
1606         (Copy_relocs::emit_copy_reloc): Refactor.
1607         (Copy_relocs::make_copy_reloc): New function.
1608         (Copy_relocs::add_copy_reloc): Remove.
1609         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1610         section.
1611         (Copy_relocs::make_copy_reloc): New function.
1612         (Copy_relocs::add_copy_reloc): Remove.
1613         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1614         unchanged input files.
1615         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1616         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1617         Reserve BSS space for COPY relocations.
1618         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1619         (Output_section_incremental_inputs::write_info_blocks): Record
1620         whether a symbol is copied from a shared object.
1621         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1622         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1623         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1624         (Incremental_input_entry_reader::get_output_symbol_index): Add
1625         is_copy parameter.
1626         (Incremental_binary::emit_copy_relocs): New function.
1627         (Incremental_binary::do_emit_copy_relocs): New function.
1628         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1629         new data member.
1630         (Sized_incremental_binary::add_copy_reloc): New function.
1631         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1632         (Sized_incremental_binary::Copy_reloc): New struct.
1633         (Sized_incremental_binary::Copy_relocs): New typedef.
1634         (Sized_incremental_binary::copy_relocs_): New data member.
1635         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1636         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1637         * target.h (Sized_target::emit_copy_reloc): New function.
1638         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1639
1640 2011-06-02  Cary Coutant  <ccoutant@google.com>
1641
1642         PR gold/12163
1643         * gold/archive.cc (Archive::Archive): Initialize new data member.
1644         (Archive::include_all_members): Return if archive has already been
1645         included.
1646         * gold/archive.h (Archive::include_all_members_): New data member.
1647
1648 2011-06-02  Nick Clifton  <nickc@redhat.com>
1649
1650         * dynobj.h: Fix spelling mistake in comment.
1651         * output.cc: Likewise.
1652
1653 2011-05-31  Doug Kwan  <dougkwan@google.com>
1654             Asier Llano
1655
1656         PR gold/12826
1657         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1658         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1659         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1660         redundant arm_exidx_test.so.
1661         * testsuite/Makefile.in: Regenerate.
1662         (check_SCRIPTS): Add pr12826.sh
1663         (check_DATA): Add pr12826.stdout
1664         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1665         * testsuite/pr12826.sh: New file.
1666         * testsuite/pr12826_1.s: Ditto.
1667         * testsuite/pr12826_1.s: Ditto.
1668
1669 2011-05-30  Ian Lance Taylor  <iant@google.com>
1670
1671         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1672         sections.
1673
1674 2011-05-29  Ian Lance Taylor  <iant@google.com>
1675
1676         PR gold/12804
1677         * testsuite/Makefile.am: Use different file name for two_file_test
1678         temporary file for each incremental test.
1679         * testsuite/Makefile.in: Rebuild.
1680
1681 2011-05-29  Ian Lance Taylor  <iant@google.com>
1682
1683         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1684         binary input file is empty.
1685
1686 2011-05-27  Ian Lance Taylor  <iant@google.com>
1687
1688         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1689         (ver_test_9.so): Likewise.
1690         * testsuite/Makefile.in: Rebuild.
1691
1692 2011-05-26 Cary Coutant  <ccoutant@google.com>
1693
1694         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1695         * incremental.cc (Incremental_inputs::report_input_section): Fix
1696         comment, indentation.
1697         (Incremental_inputs::report_comdat_group): New function.
1698         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1699         of data for incremental input file entry.
1700         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1701         group count, COMDAT group signatures.
1702         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1703         an unchanged input file.
1704         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1705         Initialize new data member.
1706         (Incremental_object_entry::add_comdat_group): New function.
1707         (Incremental_object_entry::get_comdat_group_count): New function.
1708         (Incremental_object_entry::get_comdat_signature_key): New function.
1709         (Incremental_object_entry::groups_): New data member.
1710         (Incremental_inputs::report_comdat_group): New function.
1711         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1712         data for incremental input file entry.
1713         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1714         (Incremental_input_entry_reader::get_input_section): Adjust size of
1715         data for incremental input file entry.
1716         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1717         (Incremental_input_entry_reader::get_comdat_group_signature): New
1718         function.
1719         * object.cc (Sized_relobj::include_section_group): Report kept
1720         COMDAT groups for incremental links.
1721
1722 2011-05-24  David Meyer  <pdox@google.com>
1723
1724         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1725         with name parameter.  Add found_name parameter.
1726         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1727         * dirsearch.h (class Dirsearch): Update declaration.
1728
1729 2011-05-24  Ian Lance Taylor  <iant@google.com>
1730
1731         * archive.cc (Library_base::should_include_member): Pull in object
1732         from archive if it defines the entry symbol.
1733         * parameters.cc (Parameters::entry): New function.
1734         * parameters.h (class Parameters): Declare entry.
1735         * output.h (class Output_file_header): Remove entry_ field.
1736         * output.cc (Output_file_header::Output_file_header): Remove entry
1737         parameter.  Change all callers.
1738         (Output_file_header::entry): Use parameters->entry.
1739         * gold.cc (queue_middle_tasks): Likewise.
1740         * plugin.cc (Plugin_hook::run): Likewise.
1741
1742 2011-05-24 Cary Coutant  <ccoutant@google.com>
1743
1744         * gold.cc (queue_initial_tasks): Pass incremental base filename
1745         to Output_file::open_base_file; don't print error message.
1746         * incremental-dump.cc (main): Adjust call to
1747         Output_file::open_for_modification.
1748         * incremental-dump.cc (main): Likewise.
1749         * incremental.cc (Incremental_inputs::report_command_line):
1750         Ignore --incremental-base option when comparing command lines.
1751         Ignore parameter when given as separate argument.
1752         * options.h (class General_options): Add --incremental-base.
1753         * output.cc (Output_file::Output_file):
1754         (Output_file::open_base_file): Add base_name and writable parameters;
1755         read base file into new file; print error message here.
1756         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1757         callers.
1758         * output.h (Output_file::open_for_modification): Rename to...
1759         (Output_file::open_base_file): ...this; add base_name and
1760         writable parameters; adjust all callers.
1761         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1762         callers.
1763         * testsuite/Makefile.am (incremental_test_4): Test
1764         --incremental-base.
1765         * testsuite/Makefile.in: Regenerate.
1766
1767 2011-05-24 Cary Coutant  <ccoutant@google.com>
1768
1769         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1770         incremental_test_4.
1771         * testsuite/Makefile.in: Regenerate.
1772         * testsuite/two_file_test_1_v1.cc: New test source file.
1773         * testsuite/two_file_test_1b_v1.cc: New test source file.
1774         * testsuite/two_file_test_2_v1.cc: New test source file.
1775
1776 2011-05-24 Cary Coutant  <ccoutant@google.com>
1777
1778         * dynobj.h (Dynobj::do_dynobj): New function.
1779         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1780         flag and soname for shared objects.
1781         * incremental.cc (Incremental_inputs::report_object): Make
1782         either Incremental_object_entry or Incremental_dynobj_entry; add
1783         soname to string table.
1784         (Incremental_inputs::report_input_section): Add assertion.
1785         (Output_section_incremental_inputs::set_final_data_size): Adjust
1786         type of input file entry for shared libraries; adjust size of
1787         shared library info entry.
1788         (Output_section_incremental_inputs::write_input_files): Write
1789         as_needed flag for shared libraries.
1790         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1791         of input file entry for shared libraries; write soname.
1792         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1793         soname from incremental info.
1794         * incremental.h (enum Incremental_input_flags): Add
1795         INCREMENTAL_INPUT_AS_NEEDED.
1796         (Incremental_input_entry::Incremental_input_entry): Initialize new
1797         data member.
1798         (Incremental_input_entry::set_as_needed): New function.
1799         (Incremental_input_entry::as_needed): New function.
1800         (Incremental_input_entry::do_dynobj_entry): New function.
1801         (Incremental_input_entry::as_needed_): New data member.
1802         (Incremental_object_entry::Incremental_object_entry): Don't check
1803         for shared library.
1804         (Incremental_object_entry::do_type): Likewise.
1805         (class Incremental_dynobj_entry): New class.
1806         (Incremental_input_entry_reader::as_needed): New function.
1807         (Incremental_input_entry_reader::get_soname): New function.
1808         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1809         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1810         size of shared library info entry.
1811         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1812         incremental link when adding DT_NEEDED entries.
1813         * object.h (Object::Object): Initialize new data member.
1814         (Object::dynobj): New function.
1815         (Object::set_as_needed): New function.
1816         (Object::as_needed): New function.
1817         (Object::do_dynobj): New function.
1818         (Object::as_needed_): New data member.
1819
1820 2011-05-24 Cary Coutant  <ccoutant@google.com>
1821
1822         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1823         info; adjust display of GOT entries.
1824         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1825         vector of input objects; remove file_status_.
1826         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1827         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1828         got_plt reader; call target hooks to reserve GOT entries.
1829         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1830         of input file info header and GOT info entry.
1831         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1832         relocation info.
1833         (Got_plt_view_info::got_descriptor): Remove.
1834         (Got_plt_view_info::sym_index): New data member.
1835         (Got_plt_view_info::input_index): New data member.
1836         (Local_got_offset_visitor::visit): Write input file index.
1837         (Global_got_offset_visitor::visit): Write 0 for input file index.
1838         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1839         with sym_index and input_index.
1840         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1841         incremental info GOT entry; replace got_descriptor with input_index.
1842         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1843         map from input file index to object.
1844         (Sized_relobj_incr::do_layout): Replace direct data member reference
1845         with accessor function.
1846         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1847         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1848         Adjust size of input file info header.
1849         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1850         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1851         (Incremental_input_entry_reader::get_input_section): Adjust size of
1852         input file info header.
1853         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1854         of incremental info GOT entry.
1855         (Incremental_got_plt_reader::get_got_desc): Remove.
1856         (Incremental_got_plt_reader::get_got_symndx): New function.
1857         (Incremental_got_plt_reader::get_got_input_index): New function.
1858         (Sized_incremental_binary::Sized_incremental_binary): Remove
1859         file_status_; add input_objects_.
1860         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1861         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1862         (Sized_incremental_binary::file_is_unchanged): Remove.
1863         (Sized_incremental_binary::set_input_object): New function.
1864         (Sized_incremental_binary::input_object): New function.
1865         (Sized_incremental_binary::file_status_): Remove.
1866         (Sized_incremental_binary::input_objects_): New data member.
1867         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1868         references.
1869         (Sized_relobj_incr::invalid_address): Move to base class.
1870         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1871         class.
1872         (Sized_relobj_incr::do_output_section_offset): Likewise.
1873         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1874         (Sized_relobj_incr::section_offsets_): Likewise.
1875         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1876         function.
1877         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1878         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1879         with accessor function.
1880         (Sized_relobj_file::do_layout): Likewise.
1881         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1882         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1883         (Sized_relobj_file::compute_final_local_value): Replace refs to
1884         section_offsets_ with accessor function.
1885         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1886         * object.h (Relobj::Relobj): Initialize new data members.
1887         (Relobj::add_dyn_reloc): New function.
1888         (Relobj::first_dyn_reloc): New function.
1889         (Relobj::dyn_reloc_count): New function.
1890         (Relobj::first_dyn_reloc_): New data member.
1891         (Relobj::dyn_reloc_count_): New data member.
1892         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1893         references.
1894         (Sized_relobj::Address): New typedef.
1895         (Sized_relobj::invalid_address): Move here from child class.
1896         (Sized_relobj::Sized_relobj): Initialize new data members.
1897         (Sized_relobj::sized_relobj): New function.
1898         (Sized_relobj::is_output_section_offset_invalid): Move here from
1899         child class.
1900         (Sized_relobj::get_output_section_offset): Likewise.
1901         (Sized_relobj::local_has_got_offset): Likewise.
1902         (Sized_relobj::local_got_offset): Likewise.
1903         (Sized_relobj::set_local_got_offset): Likewise.
1904         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1905         (Sized_relobj::clear_got_offsets): New function.
1906         (Sized_relobj::section_offsets): Move here from child class.
1907         (Sized_relobj::do_output_section_offset): Likewise.
1908         (Sized_relobj::do_set_section_offset): Likewise.
1909         (Sized_relobj::Local_got_offsets): Likewise.
1910         (Sized_relobj::local_got_offsets_): Likewise.
1911         (Sized_relobj::section_offsets_): Likewise.
1912         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1913         references.
1914         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1915         class.
1916         (Sized_relobj_file::sized_relobj): New function
1917         (Sized_relobj_file::local_has_got_offset): Move to base class.
1918         (Sized_relobj_file::local_got_offset): Likewise.
1919         (Sized_relobj_file::set_local_got_offset): Likewise.
1920         (Sized_relobj_file::get_output_section_offset): Likewise.
1921         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1922         (Sized_relobj_file::do_output_section_offset): Likewise.
1923         (Sized_relobj_file::do_set_section_offset): Likewise.
1924         (Sized_relobj_file::Local_got_offsets): Likewise.
1925         (Sized_relobj_file::local_got_offsets_): Likewise.
1926         (Sized_relobj_file::section_offsets_): Likewise.
1927         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1928         (all constructors).
1929         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1930         (Output_reloc::get_symbol_index): Likewise.
1931         (Output_reloc::local_section_offset): Likewise.
1932         (Output_reloc::get_address): Likewise.
1933         (Output_reloc::symbol_value): Likewise.
1934         (Output_data_got::reserve_slot): Move to class definition.
1935         (Output_data_got::reserve_local): New function.
1936         (Output_data_got::reserve_slot_for_global): Remove.
1937         (Output_data_got::reserve_global): New function.
1938         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1939         (all constructors, two instantiations).
1940         (Output_reloc::get_relobj): New function (two instantiations).
1941         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1942         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1943         (Output_data_reloc::add_global): Adjust type of relobj.
1944         (Output_data_reloc::add_global_relative): Likewise.
1945         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1946         (Output_data_reloc::add_local): Likewise.
1947         (Output_data_reloc::add_local_relative): Likewise.
1948         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1949         (Output_data_reloc::add_local_section): Likewise.
1950         (Output_data_reloc::add_output_section): Likewise.
1951         (Output_data_reloc::add_absolute): Likewise.
1952         (Output_data_reloc::add_target_specific): Likewise.
1953         (Output_data_got::reserve_slot): Move definition here.
1954         (Output_data_got::reserve_local): New function.
1955         (Output_data_got::reserve_global): New function.
1956         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1957         section_offsets_ with accessor function.
1958         (Sized_relobj_file::write_sections): Likewise.
1959         (Sized_relobj_file::do_relocate_sections): Likewise.
1960         * target.h (Sized_target::reserve_local_got_entry): New function.
1961         (Sized_target::reserve_global_got_entry): New function.
1962         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1963         (Target_x86_64::reserve_global_got_entry): New function.
1964         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1965
1966 2011-05-23 Cary Coutant  <ccoutant@google.com>
1967
1968         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1969         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1970         bit when checking got_type.
1971         * incremental.cc (Sized_incremental_binary::setup_readers):
1972         Store symbol table and string table locations; initialize bit vector
1973         of file status flags.
1974         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1975         unchanged files.
1976         (Sized_incremental_binary::do_process_got_plt): New function.
1977         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1978         (Output_section_incremental_inputs::set_final_data_size): Record
1979         file index for each input file.
1980         (Output_section_incremental_inputs::write_got_plt): Store file index
1981         instead of input entry offset for each GOT entry.
1982         * incremental.h
1983         (Incremental_input_entry::Incremental_input_entry): Initialize new
1984         data member.
1985         (Incremental_input_entry::set_offset): Store file index.
1986         (Incremental_input_entry::get_file_index): New function.
1987         (Incremental_input_entry::file_index_): New data member.
1988         (Incremental_binary::process_got_plt): New function.
1989         (Incremental_binary::do_process_got_plt): New function.
1990         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1991         data members.
1992         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1993         (Sized_incremental_binary::set_file_is_unchanged): New function.
1994         (Sized_incremental_binary::file_is_unchanged): New function.
1995         (Sized_incremental_binary::do_process_got_plt): New function.
1996         (Sized_incremental_binary::file_status_): New data member.
1997         (Sized_incremental_binary::main_symtab_loc_): New data member.
1998         (Sized_incremental_binary::main_strtab_loc_): New data member.
1999         * output.cc (Output_data_got::Got_entry::write): Add case
2000         RESERVED_CODE.
2001         (Output_data_got::add_global): Call add_got_entry.
2002         (Output_data_got::add_global_plt): Likewise.
2003         (Output_data_got::add_global_with_rel): Likewise.
2004         (Output_data_got::add_global_with_rela): Likewise.
2005         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2006         (Output_data_got::add_global_pair_with_rela): Likewise.
2007         (Output_data_got::add_local): Call add_got_entry.
2008         (Output_data_got::add_local_plt): Likewise.
2009         (Output_data_got::add_local_with_rel): Likewise.
2010         (Output_data_got::add_local_with_rela): Likewise.
2011         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2012         (Output_data_got::add_local_pair_with_rela): Likewise.
2013         (Output_data_got::reserve_slot): New function.
2014         (Output_data_got::reserve_slot_for_global): New function.
2015         (Output_data_got::add_got_entry): New function.
2016         (Output_data_got::add_got_entry_pair): New function.
2017         (Output_section::add_output_section_data): Edit FIXME.
2018         * output.h
2019         (Output_section_data_build::Output_section_data_build): New
2020         constructor with size parameter.
2021         (Output_data_space::Output_data_space): Likewise.
2022         (Output_data_got::Output_data_got): Initialize new data member; new
2023         constructor with size parameter.
2024         (Output_data_got::add_constant): Call add_got_entry.
2025         (Output_data_got::reserve_slot): New function.
2026         (Output_data_got::reserve_slot_for_global): New function.
2027         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2028         (Output_data_got::add_got_entry): New function.
2029         (Output_data_got::add_got_entry_pair): New function.
2030         (Output_data_got::free_list_): New data member.
2031         * target.h (Sized_target::init_got_plt_for_update): New function.
2032         (Sized_target::register_global_plt_entry): New function.
2033         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2034         Initialize new data member; call init; add constructor with PLT count.
2035         (Output_data_plt_x86_64::init): New function.
2036         (Output_data_plt_x86_64::add_relocation): New function.
2037         (Output_data_plt_x86_64::reserve_slot): New function.
2038         (Output_data_plt_x86_64::free_list_): New data member.
2039         (Target_x86_64::init_got_plt_for_update): New function.
2040         (Target_x86_64::register_global_plt_entry): New function.
2041         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2042         incremental updates.
2043         (Output_data_plt_x86_64::add_relocation): New function.
2044         * testsuite/object_unittest.cc (Object_test): Set default options.
2045
2046 2011-05-16  Ian Lance Taylor  <iant@google.com>
2047
2048         * options.h (class General_options): Make -i a synonym for -r.
2049
2050 2011-05-16  Ian Lance Taylor  <iant@google.com>
2051
2052         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2053
2054 2011-05-10 Cary Coutant  <ccoutant@google.com>
2055
2056         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2057         strip_all (-s).
2058
2059 2011-05-06  Ian Lance Taylor  <iant@google.com>
2060
2061         * layout.cc (Layout::layout): If the output section flags change,
2062         update the ordering.
2063
2064 2011-04-25 Cary Coutant  <ccoutant@google.com>
2065
2066         * incremental-dump.cc (dump_incremental_inputs): Print local
2067         symbol info for each input file.
2068         * incremental.cc
2069         (Output_section_incremental_inputs::set_final_data_size): Add local
2070         symbol info to input file entries in incremental info.
2071         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2072         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2073         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2074         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2075         implementation.
2076         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2077         (Sized_incr_relobj::do_relocate): Write the local symbols.
2078         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2079         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2080         Adjust size of input file header.
2081         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2082         (Incremental_inputs_reader::get_local_symbol_count): New function.
2083         (Incremental_inputs_reader::get_input_section): Adjust size of input
2084         file header.
2085         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2086         (Sized_incr_relobj::This): New typedef.
2087         (Sized_incr_relobj::sym_size): New const data member.
2088         (Sized_incr_relobj::Local_symbol): New struct.
2089         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2090         (Sized_incr_relobj::do_local_symbol_offset): New function.
2091         (Sized_incr_relobj::local_symbol_count_): New data member.
2092         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2093         (Sized_incr_relobj::local_symbol_index_): New data member.
2094         (Sized_incr_relobj::local_symbol_offset_): New data member.
2095         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2096         (Sized_incr_relobj::local_symbols_): New data member.
2097         * object.h (Relobj::output_local_symbol_count): New function.
2098         (Relobj::local_symbol_offset): New function.
2099         (Relobj::do_output_local_symbol_count): New function.
2100         (Relobj::do_local_symbol_offset): New function.
2101         (Sized_relobj::do_output_local_symbol_count): New function.
2102         (Sized_relobj::do_local_symbol_offset): New function.
2103
2104 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2105
2106         * descriptors.cc (set_close_on_exec): New function.
2107         (Descriptors::open): Use set_close_on_exec.
2108         * output.cc (S_ISLNK): Define if not defined.
2109
2110 2011-04-22 Cary Coutant  <ccoutant@google.com>
2111
2112         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2113         global symbol map.
2114         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2115         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2116         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2117         relocations.
2118         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2119         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2120         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2121         * incremental.h
2122         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2123         function.
2124         (Incremental_binary::apply_incremental_relocs): New function.
2125         (Incremental_binary::do_apply_incremental_relocs): New function.
2126         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2127         data member.
2128         (Sized_incremental_binary::add_global_symbol): New function.
2129         (Sized_incremental_binary::global_symbol): New function.
2130         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2131         (Sized_incremental_binary::symbol_map_): New data member.
2132         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2133         * target.h (Sized_target::apply_relocation): New function.
2134         * target-reloc.h (apply_relocation): New function.
2135         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2136
2137 2011-04-22  Doug Kwan  <dougkwan@google.com>
2138
2139         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2140         flag of a SHT_ARM_EXIDX section.
2141         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2142         * testsuite/Makefile.in: Regenerate.
2143         * testsuite/arm_exidx_test.s: New file.
2144         * testsuite/arm_exidx_test.sh: Same.
2145
2146 2011-04-20 Cary Coutant  <ccoutant@google.com>
2147
2148         PR gold/12689
2149         * archive.h (Incremental_archive_entry::Archive_member):
2150         Initialize arg_serial_ (second constructor).
2151
2152 2011-04-17  Ian Lance Taylor  <iant@google.com>
2153
2154         * object.cc (Relocate_info::location): Simplify location string.
2155         * errors.cc (Errors::error_at_location): Don't print program
2156         name.
2157         (Errors::warning_at_location): Likewise.
2158         (Errors::undefined_symbol): Likewise.
2159         * testsuite/debug_msg.sh: Update accordingly.
2160
2161 2011-04-14 Cary Coutant  <ccoutant@google.com>
2162
2163         * gold/layout.cc (Layout::symtab_section_offset): New function.
2164         * gold/layout.h (Layout::symtab_section_offset): New function.
2165         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2166
2167 2011-04-12  Ian Lance Taylor  <iant@google.com>
2168
2169         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2170         with MREMAP_MAYMOVE.
2171         * output.h (class Output_file): Add map_is_allocated_ field.
2172         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2173         not available, provide stubs.  If mremap is not available, #define
2174         it to gold_mremap.
2175         (MREMAP_MAYMOVE): Define if not defined.
2176         (Output_file::Output_file): Initialize map_is_allocated_.
2177         (Output_file::resize): Check map_is_allocated_.
2178         (Output_file::map_anonymous): If mmap fails, use malloc.
2179         (Output_file::unmap): Don't do anything for an anonymous map.
2180         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2181         is not available, provide stubs.
2182         (File_read::View::~View): Use free rather than delete[].
2183         (File_read::make_view): Use malloc rather than new[].  If mmap
2184         fails, use malloc.
2185         (File_read::find_or_make_view): Use malloc rather than new[].
2186         * gold.h: Remove HAVE_REMAP code.
2187         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2188         exists.  Rename mremap to gold_mremap.  If mmap is not available
2189         don't do anything.
2190         * configure, config.in: Rebuild.
2191
2192 2011-04-11  Ian Lance Taylor  <iant@google.com>
2193
2194         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2195         initialize local variable v.
2196
2197 2011-04-11  Cary Coutant  <ccoutant@google.com>
2198
2199         * archive.cc (Archive::include_member): Adjust call to
2200         report_object.
2201         (Add_archive_symbols::run): Track argument serial numbers.
2202         (Lib_group::include_member): Likewise.
2203         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2204         * archive.h (Incremental_archive_entry::Archive_member):
2205         Initialize arg_serial_.
2206         (Archive_member::arg_serial_): New data member.
2207         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2208         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2209         incremental link.
2210         (Sized_dynobj::do_for_all_local_got_entries): New function.
2211         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2212         function.
2213         * fileread.cc (get_mtime): New function.
2214         * fileread.h (get_mtime): New function.
2215         * gold.cc (queue_initial_tasks): Check for incremental update.
2216         (process_incremental_input): New function.
2217         (queue_middle_tasks): Don't force valid target for incremental
2218         update.
2219         * incremental-dump.cc (find_input_containing_global): Adjust
2220         size of symbol info entry.
2221         (dump_incremental_inputs): Dump argument serial number and
2222         in_system_directory flag; bias shndx by 1; print symbol names
2223         when dumping per-file symbol lists; use new symbol info readers.
2224         * incremental.cc
2225         (Output_section_incremental_inputs:update_data_size): New function.
2226         (Sized_incremental_binary::setup_readers): Setup input readers
2227         for each input file; build maps for files added from libraries
2228         and scripts.
2229         (Sized_incremental_binary::check_input_args): New function.
2230         (Sized_incremental_binary::do_check_inputs): Build map of argument
2231         serial numbers to input arguments.
2232         (Sized_incremental_binary::do_file_has_changed): Rename
2233         do_file_is_unchanged to this; compare file modification times.
2234         (Sized_incremental_binary::do_init_layout): New function.
2235         (Sized_incremental_binary::do_reserve_layout): New function.
2236         (Sized_incremental_binary::do_get_input_reader): Remove.
2237         (Sized_incremental_binary::get_symtab_view): New function.
2238         (Incremental_checker::can_incrementally_link_output_file): Remove.
2239         (Incremental_inputs::report_command_line): Exclude --debug options.
2240         (Incremental_inputs::report_archive_begin): Add parameter; track
2241         argument serial numbers; don't put input file entry for archive
2242         before archive members.
2243         (Incremental_inputs::report_archive_end): Put input file entry
2244         for archive after archive members.
2245         (Incremental_inputs::report_object): Add parameter; track argument
2246         serial numbers and in_system_directory flag.
2247         (Incremental_inputs::report_script): Add parameter; track argument
2248         serial numbers.
2249         (Output_section_incremental_inputs::set_final_data_size): Adjust
2250         size of symbol info entry; check for forwarding symbols.
2251         (Output_section_incremental_inputs::write_input_files): Write
2252         in_system_directory flag and argument serial number.
2253         (Output_section_incremental_inputs::write_info_blocks): Map section
2254         indices between incremental info and original input file; store
2255         input section index for each symbol.
2256         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2257         change operator() to visit().
2258         (class Global_got_offset_visitor): Likewise.
2259         (class Global_symbol_visitor_got_plt):
2260         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2261         classes.
2262         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2263         (Sized_incr_relobj::do_read_symbols): New function.
2264         (Sized_incr_relobj::do_layout): New function.
2265         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2266         (Sized_incr_relobj::do_add_symbols): New function.
2267         (Sized_incr_relobj::do_should_include_member): New function.
2268         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2269         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2270         (Sized_incr_relobj::do_section_size): New function.
2271         (Sized_incr_relobj::do_section_name): New function.
2272         (Sized_incr_relobj::do_section_contents): New function.
2273         (Sized_incr_relobj::do_section_flags): New function.
2274         (Sized_incr_relobj::do_section_entsize): New function.
2275         (Sized_incr_relobj::do_section_address): New function.
2276         (Sized_incr_relobj::do_section_type): New function.
2277         (Sized_incr_relobj::do_section_link): New function.
2278         (Sized_incr_relobj::do_section_info): New function.
2279         (Sized_incr_relobj::do_section_addralign): New function.
2280         (Sized_incr_relobj::do_initialize_xindex): New function.
2281         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2282         (Sized_incr_relobj::do_read_relocs): New function.
2283         (Sized_incr_relobj::do_gc_process_relocs): New function.
2284         (Sized_incr_relobj::do_scan_relocs): New function.
2285         (Sized_incr_relobj::do_count_local_symbols): New function.
2286         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2287         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2288         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2289         (Sized_incr_relobj::do_relocate): New function.
2290         (Sized_incr_relobj::do_set_section_offset): New function.
2291         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2292         (Sized_incr_dynobj::do_read_symbols): New function.
2293         (Sized_incr_dynobj::do_layout): New function.
2294         (Sized_incr_dynobj::do_add_symbols): New function.
2295         (Sized_incr_dynobj::do_should_include_member): New function.
2296         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2297         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2298         (Sized_incr_dynobj::do_section_size): New function.
2299         (Sized_incr_dynobj::do_section_name): New function.
2300         (Sized_incr_dynobj::do_section_contents): New function.
2301         (Sized_incr_dynobj::do_section_flags): New function.
2302         (Sized_incr_dynobj::do_section_entsize): New function.
2303         (Sized_incr_dynobj::do_section_address): New function.
2304         (Sized_incr_dynobj::do_section_type): New function.
2305         (Sized_incr_dynobj::do_section_link): New function.
2306         (Sized_incr_dynobj::do_section_info): New function.
2307         (Sized_incr_dynobj::do_section_addralign): New function.
2308         (Sized_incr_dynobj::do_initialize_xindex): New function.
2309         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2310         (make_sized_incremental_object): New function.
2311         (Incremental_library::copy_unused_symbols): New function.
2312         (Incremental_library::do_for_all_unused_symbols): New function.
2313         * incremental.h (enum Incremental_input_flags): New type.
2314         (class Incremental_checker): Remove.
2315         (Incremental_input_entry::Incremental_input_entry): Add argument
2316         serial number.
2317         (Incremental_input_entry::arg_serial): New function.
2318         (Incremental_input_entry::set_is_in_system_directory): New function.
2319         (Incremental_input_entry::is_in_system_directory): New function.
2320         (Incremental_input_entry::arg_serial_): New data member.
2321         (Incremental_input_entry::is_in_system_directory_): New data member.
2322         (class Script_info): Move here from script.h.
2323         (Script_info::Script_info): Add filename parameter.
2324         (Script_info::filename): New function.
2325         (Script_info::filename_): New data member.
2326         (Incremental_script_entry::Incremental_script_entry): Add argument
2327         serial number.
2328         (Incremental_object_entry::Incremental_object_entry): Likewise.
2329         (Incremental_object_entry::add_input_section): Build list of input
2330         sections with map to original shndx.
2331         (Incremental_object_entry::get_input_section_index): New function.
2332         (Incremental_object_entry::shndx_): New data member.
2333         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2334         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2335         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2336         serial number.
2337         (Incremental_inputs::report_archive_begin): Likewise.
2338         (Incremental_inputs::report_object): Likewise.
2339         (Incremental_inputs::report_script): Likewise.
2340         (class Incremental_global_symbol_reader): New class.
2341         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2342         and store flags and input file type.
2343         (Incremental_input_entry_reader::arg_serial): New function.
2344         (Incremental_input_entry_reader::type): Extract type from flags.
2345         (Incremental_input_entry_reader::is_in_system_directory): New function.
2346         (Incremental_input_entry_reader::get_input_section_count): Call
2347         accessor function for type.
2348         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2349         function for type; adjust size of global symbol entry.
2350         (Incremental_input_entry_reader::get_global_symbol_count): Call
2351         accessor function for type.
2352         (Incremental_input_entry_reader::get_object_count): Likewise.
2353         (Incremental_input_entry_reader::get_object_offset): Likewise.
2354         (Incremental_input_entry_reader::get_member_count): Likewise.
2355         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2356         (Incremental_input_entry_reader::get_member_offset): Likewise.
2357         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2358         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2359         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2360         (Incremental_input_entry_reader::get_global_symbol_reader): New
2361         function.
2362         (Incremental_input_entry_reader::get_output_symbol_index): New
2363         function.
2364         (Incremental_input_entry_reader::type_): Remove.
2365         (Incremental_input_entry_reader::flags_): New data member.
2366         (Incremental_inputs_reader::input_file_offset): New function.
2367         (Incremental_inputs_reader::input_file_index): New function.
2368         (Incremental_inputs_reader::input_file): Call input_file_offset.
2369         (Incremental_inputs_reader::input_file_at_offset): New function.
2370         (Incremental_relocs_reader::get_r_type): Reformat.
2371         (Incremental_relocs_reader::get_r_shndx): Reformat.
2372         (Incremental_relocs_reader::get_r_offset): Reformat.
2373         (Incremental_relocs_reader::data): New function.
2374         (Incremental_binary::Incremental_binary): Initialize new data members.
2375         (Incremental_binary::check_inputs): Add cmdline parameter.
2376         (Incremental_binary::file_is_unchanged): Remove.
2377         (Input_reader::arg_serial): New function.
2378         (Input_reader::get_unused_symbol_count): New function.
2379         (Input_reader::get_unused_symbol): New function.
2380         (Input_reader::do_arg_serial): New function.
2381         (Input_reader::do_get_unused_symbol_count): New function.
2382         (Input_reader::do_get_unused_symbol): New function.
2383         (Incremental_binary::input_file_count): New function.
2384         (Incremental_binary::get_input_reader): Change signature to use
2385         index instead of filename.
2386         (Incremental_binary::file_has_changed): New function.
2387         (Incremental_binary::get_input_argument): New function.
2388         (Incremental_binary::get_library): New function.
2389         (Incremental_binary::get_script_info): New function.
2390         (Incremental_binary::init_layout): New function.
2391         (Incremental_binary::reserve_layout): New function.
2392         (Incremental_binary::output_file): New function.
2393         (Incremental_binary::do_check_inputs): New function.
2394         (Incremental_binary::do_file_is_unchanged): Remove.
2395         (Incremental_binary::do_file_has_changed): New function.
2396         (Incremental_binary::do_init_layout): New function.
2397         (Incremental_binary::do_reserve_layout): New function.
2398         (Incremental_binary::do_input_file_count): New function.
2399         (Incremental_binary::do_get_input_reader): Change signature.
2400         (Incremental_binary::input_args_map_): New data member.
2401         (Incremental_binary::library_map_): New data member.
2402         (Incremental_binary::script_map_): New data member.
2403         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2404         new data members.
2405         (Sized_incremental_binary::output_section): New function.
2406         (Sized_incremental_binary::inputs_reader): Add const.
2407         (Sized_incremental_binary::symtab_reader): Add const.
2408         (Sized_incremental_binary::relocs_reader): Add const.
2409         (Sized_incremental_binary::got_plt_reader): Add const.
2410         (Sized_incremental_binary::get_symtab_view): New function.
2411         (Sized_incremental_binary::Inputs_reader): New typedef.
2412         (Sized_incremental_binary::Input_entry_reader): New typedef.
2413         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2414         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2415         (Sized_incremental_binary::do_file_has_changed): New function.
2416         (Sized_incremental_binary::do_init_layout): New function.
2417         (Sized_incremental_binary::do_reserve_layout): New function.
2418         (Sized_input_reader::Inputs_reader): Remove.
2419         (Sized_input_reader::Input_entry_reader): Remove.
2420         (Sized_input_reader::do_arg_serial): New function.
2421         (Sized_input_reader::do_get_unused_symbol_count): New function.
2422         (Sized_input_reader::do_get_unused_symbol): New function.
2423         (Sized_incremental_binary::do_input_file_count): New function.
2424         (Sized_incremental_binary::do_get_input_reader): Change signature;
2425         use index instead of filename.
2426         (Sized_incremental_binary::section_map_): New data member.
2427         (Sized_incremental_binary::input_entry_readers_): New data member.
2428         (class Sized_incr_relobj): New class.
2429         (class Sized_incr_dynobj): New class.
2430         (make_sized_incremental_object): New function.
2431         (class Incremental_library): New class.
2432         * layout.cc (Free_list::num_lists): New static data member.
2433         (Free_list::num_nodes): New static data member.
2434         (Free_list::num_removes): New static data member.
2435         (Free_list::num_remove_visits): New static data member.
2436         (Free_list::num_allocates): New static data member.
2437         (Free_list::num_allocate_visits): New static data member.
2438         (Free_list::init): New function.
2439         (Free_list::remove): New function.
2440         (Free_list::allocate): New function.
2441         (Free_list::dump): New function.
2442         (Free_list::print_stats): New function.
2443         (Layout_task_runner::run): Resize output file for incremental updates.
2444         (Layout::Layout): Initialize new data members.
2445         (Layout::set_incremental_base): New function.
2446         (Layout::init_fixed_output_section): New function.
2447         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2448         incremental updates.
2449         (Layout::create_gold_note): Do not create gold note section for
2450         incremental updates.
2451         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2452         for incremental updates.
2453         (Layout::set_section_offsets): For incremental updates, allocate space
2454         from free list.
2455         (Layout::create_symtab_sections): Layout with offsets relative to
2456         start of section; for incremental updates, allocate space from free
2457         list.
2458         (Layout::create_shdrs): For incremental updates, allocate space from
2459         free list.
2460         (Layout::finish_dynamic_section): For incremental updates, do not
2461         check --as-needed (fixed in subsequent patch).
2462         * layout.h (class Free_list): New class.
2463         (Layout::set_incremental_base): New function.
2464         (Layout::incremental_base): New function.
2465         (Layout::init_fixed_output_section): New function.
2466         (Layout::allocate): New function.
2467         (Layout::incremental_base_): New data member.
2468         (Layout::free_list_): New data member.
2469         * main.cc (main): Print Free_list statistics.
2470         * object.cc (Relobj::finalize_incremental_relocs): Add
2471         clear_counts parameter; clear counts only when clear_counts is set.
2472         (Sized_relobj::Sized_relobj): Initialize new base class.
2473         (Sized_relobj::do_layout): Don't report special sections.
2474         (Sized_relobj::do_for_all_local_got_entries): New function.
2475         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2476         symtab_off to all symbol table offsets.
2477         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2478         * object.h (class Got_offset_list): Move to top of file.
2479         (Object::Object): Allow case where input_file == NULL.
2480         (Object::~Object): Likewise.
2481         (Object::input_file): Assert that input_file != NULL.
2482         (Object::lock): Allow case where input_file == NULL.
2483         (Object::unlock): Likewise.
2484         (Object::is_locked): Likewise.
2485         (Object::token): Likewise.
2486         (Object::release): Likewise.
2487         (Object::is_incremental): New function.
2488         (Object::get_mtime): New function.
2489         (Object::for_all_local_got_entries): New function.
2490         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2491         (Object::set_is_in_system_directory): New function.
2492         (Object::is_in_system_directory): New function.
2493         (Object::do_is_incremental): New function.
2494         (Object::do_get_mtime): New function.
2495         (Object::do_for_all_local_got_entries): New function.
2496         (Object::is_in_system_directory_): New data member.
2497         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2498         (class Sized_relobj_base): New class.
2499         (class Sized_relobj): Derive from Sized_relobj_base.
2500         (class Sized_relobj::Symbols): Redeclare from base class.
2501         (class Sized_relobj::local_got_offset_list): Remove.
2502         (class Sized_relobj::Output_sections): Redeclare from base class.
2503         (class Sized_relobj::do_for_all_local_got_entries): New function.
2504         (class Sized_relobj::write_local_symbols): Add offset parameter.
2505         (class Sized_relobj::local_symbol_offset_): Update comment.
2506         (class Sized_relobj::local_dynsym_offset_): Update comment.
2507         * options.cc (Input_arguments::add_file): Remove const.
2508         * options.h (Input_file_argument::Input_file_argument):
2509         Initialize arg_serial_ (all constructors).
2510         (Input_file_argument::set_arg_serial): New function.
2511         (Input_file_argument::arg_serial): New function.
2512         (Input_file_argument::arg_serial_): New data member.
2513         (Input_arguments::Input_arguments): Initialize file_count_.
2514         (Input_arguments::add_file): Remove const.
2515         (Input_arguments::number_of_input_files): New function.
2516         (Input_arguments::file_count_): New data member.
2517         (Command_line::number_of_input_files): Call
2518         Input_arguments::number_of_input_files.
2519         * output.cc (Output_segment_headers::Output_segment_headers):
2520         Set current size.
2521         (Output_section::Input_section::current_data_size): New function.
2522         (Output_section::Output_section): Initialize new data members.
2523         (Output_section::add_input_section): Don't do merge sections for
2524         an incremental link; allocate space from free list for an
2525         incremental update.
2526         (Output_section::add_output_section_data): Allocate space from
2527         free list for an incremental update.
2528         (Output_section::update_data_size): New function.
2529         (Output_section::set_fixed_layout): New function.
2530         (Output_section::reserve): New function.
2531         (Output_segment::set_section_addresses): Remove const.
2532         (Output_segment::set_section_list_addresses): Remove const; allocate
2533         space from free list for an incremental update.
2534         (Output_segment::set_offset): Adjust size of RELRO segment for an
2535         incremental update.
2536         * output.h (Output_data::current_data_size): Move here from
2537         child classes.
2538         (Output_data::pre_finalize_data_size): New function.
2539         (Output_data::update_data_size): New function.
2540         (Output_section_headers::update_data_size): new function.
2541         (Output_section_data_build::current_data_size): Move to Output_data.
2542         (Output_data_strtab::update_data_size): New function.
2543         (Output_section::current_data_size): Move to Output_data.
2544         (Output_section::set_fixed_layout): New function.
2545         (Output_section::has_fixed_layout): New function.
2546         (Output_section::reserve): New function.
2547         (Output_section::update_data_size): New function.
2548         (Output_section::has_fixed_layout_): New data member.
2549         (Output_section::free_list_): New data member.
2550         (Output_segment::set_section_addresses): Remove const.
2551         (Output_segment::set_section_list_addresses): Remove const.
2552         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2553         New function.
2554         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2555         New function.
2556         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2557         parameter when calling Add_symbols constructor; store argument
2558         serial number for members of a lib group.
2559         (Add_symbols::locks): Allow case where token == NULL.
2560         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2561         (Read_member::~Read_member): New function.
2562         (Read_member::is_runnable): New function.
2563         (Read_member::locks): New function.
2564         (Read_member::run): New function.
2565         (Check_script::~Check_script): New function.
2566         (Check_script::is_runnable): New function.
2567         (Check_script::locks): New function.
2568         (Check_script::run): New function.
2569         (Check_library::~Check_library): New function.
2570         (Check_library::is_runnable): New function.
2571         (Check_library::locks): New function.
2572         (Check_library::run): New function.
2573         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2574         (Add_symbols::library_): New data member.
2575         (class Read_member): New class.
2576         (class Check_script): New class.
2577         (class Check_library): New class.
2578         * reloc.cc (Read_relocs::is_runnable): Allow case where
2579         token == NULL.
2580         (Read_relocs::locks): Likewise.
2581         (Scan_relocs::locks): Likewise.
2582         (Relocate_task::locks): Likewise.
2583         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2584         to clear counters.
2585         (Sized_relobj::incremental_relocs_scan): Fix comment.
2586         (Sized_relobj::do_relocate): Pass output file offset to
2587         write_local_symbols.
2588         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2589         from class declaration.
2590         * script.cc (read_input_script): Allocate Script_info; pass
2591         argument serial number to report_script.
2592         * script.h (class Script_info): Move to incremental.h.
2593         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2594         * symtab.h (Symbol_table::add_from_incrobj): New function.
2595         (Symbol_table::set_file_offset): New function.
2596
2597 2011-04-05  Cary Coutant  <ccoutant@google.com>
2598
2599         * incremental-dump.cc (dump_incremental_inputs): Change signature
2600         to take a Sized_incremental_binary; change caller.  Use readers
2601         in Sized_incremental_binary.
2602         * incremental.cc
2603         (Sized_incremental_binary::find_incremental_inputs_sections):
2604         Rename do_find_incremental_inputs_sections to this.
2605         (Sized_incremental_binary::setup_readers): New function.
2606         (Sized_incremental_binary::do_check_inputs): Check
2607         has_incremental_info_ flag; move setup code to setup_readers;
2608         use input readers.
2609         (Sized_incremental_binary::do_file_is_unchanged): New function.
2610         (Sized_incremental_binary::do_get_input_reader): New function.
2611         * incremental.h (class Incremental_binary): Move to end of file.
2612         (Incremental_binary::file_is_unchanged): New function.
2613         (Incremental_binary::do_file_is_unchanged): New function.
2614         (Incremental_binary::Input_reader): New class.
2615         (Incremental_binary::get_input_reader): New function.
2616         (class Sized_incremental_binary): Move to end of file.
2617         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2618         input section reader classes.
2619         (Sized_incremental_binary::has_incremental_info): New function.
2620         (Sized_incremental_binary::inputs_reader): New function.
2621         (Sized_incremental_binary::symtab_reader): New function.
2622         (Sized_incremental_binary::relocs_reader): New function.
2623         (Sized_incremental_binary::got_plt_reader): New function.
2624         (Sized_incremental_binary::do_file_is_unchanged): New function.
2625         (Sized_incremental_binary::Sized_input_reader): New class.
2626         (Sized_incremental_binary::get_input_reader): New function.
2627         (Sized_incremental_binary::find_incremental_inputs_sections):
2628         Rename do_find_incremental_inputs_sections to this.
2629         (Sized_incremental_binary::setup_readers): New function.
2630         (Sized_incremental_binary::has_incremental_info_): New data member.
2631         (Sized_incremental_binary::inputs_reader_): New data member.
2632         (Sized_incremental_binary::symtab_reader_): New data member.
2633         (Sized_incremental_binary::relocs_reader_): New data member.
2634         (Sized_incremental_binary::got_plt_reader_): New data member.
2635         (Sized_incremental_binary::current_input_file_): New data member.
2636
2637 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2638
2639         PR gold/12640
2640         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2641         violation.
2642
2643 2011-03-30  Cary Coutant  <ccoutant@google.com>
2644
2645         * archive.cc (Archive::include_member): Adjust call to report_object.
2646         (Add_archive_symbols::run): Add script_info to call to
2647         report_archive_begin.
2648         (Lib_group::include_member): Adjust call to report_object.
2649         (Add_lib_group_symbols::run): Adjust call to report_object.
2650         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2651         blocks.  Add object count for script input files.
2652         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2653         script_info parameter; change all callers.
2654         (Incremental_inputs::report_object): Add script_info parameter;
2655         change all callers.
2656         (Incremental_inputs::report_script): Store backpointer to
2657         incremental info entry.
2658         (Output_section_incremental_inputs::set_final_data_size): Record
2659         additional information for scripts.
2660         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2661         * incremental.h (Incremental_script_entry::add_object): New function.
2662         (Incremental_script_entry::get_object_count): New function.
2663         (Incremental_script_entry::get_object): New function.
2664         (Incremental_script_entry::objects_): New data member; adjust
2665         constructor.
2666         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2667         (Incremental_inputs::report_object): Add script_info parameter.
2668         (Incremental_inputs_reader::get_object_count): New function.
2669         (Incremental_inputs_reader::get_object_offset): New function.
2670         * options.cc (Input_arguments::add_file): Return reference to
2671         new input argument.
2672         * options.h (Input_argument::set_script_info): New function.
2673         (Input_argument::script_info): New function.
2674         (Input_argument::script_info_): New data member; adjust all
2675         constructors.
2676         (Input_file_group::add_file): Return reference to new input argument.
2677         (Input_file_lib::add_file): Likewise.
2678         (Input_arguments::add_file): Likewise.
2679         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2680         * script.cc (Parser_closure::Parser_closure): Add script_info
2681         parameter; adjust all callers.
2682         (Parser_closure::script_info): New function.
2683         (Parser_closure::script_info_): New data member.
2684         (read_input_script): Report scripts earlier to incremental info.
2685         (script_add_file): Set script_info in Input_argument.
2686         (script_add_library): Likewise.
2687         * script.h (Script_options::Script_info): Rewrite class.
2688
2689 2011-03-29  Cary Coutant  <ccoutant@google.com>
2690
2691         * archive.cc (Library_base::should_include_member): Move
2692         method here from class Archive.
2693         (Archive::Archive): Initialize base class.
2694         (Archive::should_include_member): Move to base class.
2695         (Archive::do_for_all_unused_symbols): New function.
2696         (Add_archive_symbols::run): Remove redundant access to
2697         incremental_inputs.
2698         (Lib_group::Lib_group): Initialize base class.
2699         (Lib_group::do_filename): New function.
2700         (Lib_group::include_member): Pass pointer to Lib_group to
2701         report_object.
2702         (Lib_group::do_for_all_unused_symbols): New function.
2703         (Add_lib_group_symbols::run): Report archive information for
2704         incremental links.
2705         * archive.h (class Library_base): New base class.
2706         (class Archive): Derive from Library_base.
2707         (Archive::filename): Move to base class.
2708         (Archive::set_incremental_info): Likewise.
2709         (Archive::incremental_info): Likewise.
2710         (Archive::Should_include): Likewise.
2711         (Archive::should_include_member): Likewise.
2712         (Archive::Armap_entry): Remove.
2713         (Archive::Unused_symbol_iterator): Remove.
2714         (Archive::unused_symbols_begin): Remove.
2715         (Archive::unused_symbols_end): Remove.
2716         (Archive::do_filename): New function.
2717         (Archive::do_get_mtime): New function.
2718         (Archive::do_for_all_unused_symbols): New function.
2719         (Archive::task_): Move to base class.
2720         (Archive::incremental_info_): Likewise.
2721         (class Lib_group): Derive from Library_base.
2722         (Lib_group::do_filename): New function.
2723         (Lib_group::do_get_mtime): New function.
2724         (Lib_group::do_for_all_unused_symbols): New function.
2725         (Lib_group::task_): Move to base class.
2726         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2727         function.
2728         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2729         function.
2730         * incremental.cc (Incremental_inputs::report_archive_begin):
2731         Use Library_base; call library's get_mtime; add incremental inputs
2732         entry before members.
2733         (class Unused_symbol_visitor): New class.
2734         (Incremental_inputs::report_archive_end): Use Library_base; use
2735         visitor class to record unused symbols; don't add incremental inputs
2736         entry after members.
2737         (Incremental_inputs::report_object): Use Library_base.
2738         * incremental.h
2739         (Incremental_archive_entry::Incremental_archive_entry): Remove
2740         unused Archive parameter.
2741         (Incremental_inputs::report_archive_begin): Use Library_base.
2742         (Incremental_inputs::report_archive_end): Likewise.
2743         (Incremental_inputs::report_object): Likewise.
2744         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2745         function.
2746         * object.h (Object::for_all_global_symbols): New function.
2747         (Object::do_for_all_global_symbols): New function.
2748         (Sized_relobj::do_for_all_global_symbols): New function.
2749         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2750         function.
2751         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2752         function.
2753
2754 2011-03-27  Ian Lance Taylor  <iant@google.com>
2755
2756         * archive.cc (Archive::interpret_header): Return -1 if something
2757         goes wrong.  Change callers accordingly.
2758
2759 2011-03-25  Cary Coutant  <ccoutant@google.com>
2760
2761         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2762         * testsuite/Makefile.in: Regenerate.
2763
2764 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2765
2766         * plugin.cc (get_view): New.
2767         (Plugin::load): Pass get_view to the plugin.
2768         (Plugin_manager::get_view): New.
2769
2770 2011-03-21  Ian Lance Taylor  <iant@google.com>
2771
2772         * testsuite/final_layout.sh: Rewrite to not use dc.
2773         * testsuite/relro_test.sh: Fail if dc is not present.
2774
2775 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2776
2777         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2778         Change == to -eq.
2779         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2780         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2781         Change == to -eq.
2782         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2783         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2784
2785 2011-03-14  Ian Lance Taylor  <iant@google.com>
2786
2787         * script-sections.cc (Sort_output_sections::script_compare):
2788         Rename from is_before, change return type.
2789         (Sort_output_sections::operator()): Adjust accordingly.
2790
2791 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2792
2793         PR gold/12572
2794         * testsuite/odr_violation2.cc: Add comment to make all error line
2795         numbers double digits.
2796         * testsuite/debug_msg.sh: Adjust expected errors.
2797
2798 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2799
2800         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2801         but mark earlier ones as non-canonical
2802         (offset_to_iterator): Update search target and example
2803         (do_addr2line): Return extra lines in a vector*
2804         (format_file_lineno): Extract from do_addr2line
2805         (one_addr2line): Add vector* out-param
2806         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2807         when a lineno entry appeared last for its instruction
2808         (Dwarf_line_info): Add vector* out-param
2809         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2810         * symtab.cc (Odr_violation_compare): Include the lineno in the
2811         comparison again.
2812         (linenos_from_loc): New. Combine the canonical line for an
2813         address with its other lines.
2814         (True_if_intersect): New. Helper functor to make
2815         std::set_intersection a query.
2816         (detect_odr_violations): Compare sets of lines instead of just
2817         one line for each function. This became less deterministic, but
2818         has fewer false positives.
2819         * symtab.h: Declarations.
2820         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2821         mix an optimized and non-optimized object in the same binary
2822         (odr_violation2.so): Same.
2823         * testsuite/Makefile.in: Regenerate from Makefile.am.
2824         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2825         * testsuite/debug_msg.sh: Update line numbers and add
2826         assertions.
2827         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2828         non-optimized context.
2829         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2830         isn't inlined, and use OdrDerived in an optimized context.
2831         * testsuite/odr_header1.h: Defines OdrDerived, where
2832         optimization will change the
2833         first-instruction-in-the-destructor's file and line number.
2834         * testsuite/odr_header2.h: Defines OdrBase.
2835
2836 2011-03-09  Ian Lance Taylor  <iant@google.com>
2837
2838         * fileread.cc (File_read::clear_views): Don't delete the whole
2839         file view.
2840
2841 2011-03-08  Ian Lance Taylor  <iant@google.com>
2842
2843         PR gold/12525
2844         * fileread.cc: #include <climits>.
2845         (GOLD_IOV_MAX): Define.
2846         (File_read::read_multiple): Limit number of entries by iov_max.
2847         * fileread.h (class File_read): Always set max_readv_entries to
2848         128.
2849
2850 2011-03-07  Ian Lance Taylor  <iant@google.com>
2851
2852         PR gold/12525
2853         * options.h (class General_options): Add -dy and -dn.
2854
2855 2011-03-02  Cary Coutant  <ccoutant@google.com>
2856
2857         * testsuite/script_test_9.t: Add TLS segment.
2858
2859 2011-03-02  Simon Baldwin  <simonb@google.com>
2860
2861         * configure.ac: Add check for gnu_indirect_function support in
2862         the toolchain building binutils.
2863         * configure: Rebuild.
2864
2865 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2866
2867         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2868         plugin only symbols.
2869         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2870         in plugin files as not needed in the symbol table.
2871
2872 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2873
2874         * output.cc (Output_section::add_input_section): Delay fill
2875         generation for section ordering.
2876
2877 2011-02-09  Ian Lance Taylor  <iant@google.com>
2878
2879         PR gold/12316
2880         * object.h (class Sized_relobj): Remove clear_local_symbols.
2881         * reloc.cc (Sized_relobj::do_relocate): Don't call
2882         clear_local_symbols.
2883
2884 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2885
2886         * plugin.cc (is_visible_from_outside): Return true for symbols
2887         in the -u option.
2888
2889 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2890
2891         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2892         filename.
2893
2894 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2895
2896         * icf.h (is_section_foldable_candidate): Change type of parameter
2897         to std::string.
2898         * icf.cc (Icf::find_identical_sections): Change type of local variable
2899         section_name to be std::string.
2900         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2901
2902 2011-01-25  Ian Lance Taylor  <iant@google.com>
2903
2904         * script.cc (script_add_extern): Rewrite to use
2905         add_symbol_reference.
2906
2907 2011-01-25  Doug Kwan  <dougkwan@google.com>
2908
2909         * icf.cc (get_section_contents): Always lock section's object.
2910
2911 2011-01-24  Ian Lance Taylor  <iant@google.com>
2912
2913         * options.h (class General_options): Accept
2914         --no-detect-odr-violations.
2915
2916 2011-01-24  Ian Lance Taylor  <iant@google.com>
2917
2918         * version.cc (version_string): Bump to 1.11.
2919
2920 2011-01-24  Ian Lance Taylor  <iant@google.com>
2921
2922         * plugin.cc (class Plugin_rescan): Define new class.
2923         (Plugin_manager::claim_file): Set any_claimed_.
2924         (Plugin_manager::save_archive): New function.
2925         (Plugin_manager::save_input_group): New function.
2926         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2927         necessary.
2928         (Plugin_manager::new_undefined_symbol): New function.
2929         (Plugin_manager::rescan): New function.
2930         (Plugin_manager::rescannable_defines): New function.
2931         (Plugin_manager::add_input_file): Set any_added_.
2932         * plugin.h (class Plugin_manager): define new fields rescannable_,
2933         undefined_symbols_, any_claimed_, and any_added_.  Declare
2934         Plugin_rescan as friend.  Declare new functions.
2935         (Plugin_manager::Rescannable): Define type.
2936         (Plugin_manager::Rescannable_list): Define type.
2937         (Plugin_manager::Undefined_symbol_list): Define type.
2938         (Plugin_manager::Plugin_manager): Initialize new fields.
2939         * archive.cc (Archive::defines_symbol): New function.
2940         (Add_archive_symbols::run): Pass archive to plugins if any.
2941         * archive.h (class Archive): Declare defines_symbol.
2942         * readsyms.cc (Input_group::~Input_group): New function.
2943         (Finish_group::run): Pass input_group to plugins if any.
2944         * readsyms.h (class Input_group): Declare destructor.
2945         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2946         any.
2947
2948 2011-01-10  Ian Lance Taylor  <iant@google.com>
2949
2950         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2951         section as relro.
2952         (Layout::set_segment_offsets): Reset increase_relro before calling
2953         set_section_addresses a second time.
2954
2955 2011-01-04  Cary Coutant  <ccoutant@google.com>
2956
2957         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2958         sections before NOBITS sections.
2959
2960 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2961
2962         * version.cc (print_version): Update copyright to 2011.
2963
2964 2010-12-23  Cary Coutant  <ccoutant@google.com>
2965
2966         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2967         of OS to this->add.  Add OD parameter to second form of the function.
2968
2969 2010-12-20  Ian Lance Taylor  <iant@google.com>
2970
2971         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2972         second of two consecutive entries with same offset.
2973
2974 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2975
2976         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2977         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2978         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2979         to avoid unneeded links against $(LDADD).
2980         * testsuite/Makefile.in: Regenerate.
2981
2982 2010-12-15  Ian Lance Taylor  <iant@google.com>
2983
2984         PR gold/12324
2985         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2986         for R_X86_64_32 and R_X86_64_PC32.
2987         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2988         ver_matching_def_pic.o.
2989         (ver_matching_def_pic.o): New target.
2990
2991 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2992
2993         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2994         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2995         Move definition before File_read::View member definitions.
2996         (File_read::View::~View): Initialize and hold lock before
2997         updating current_mapped_bytes.
2998
2999 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3000
3001         * dwarf_reader.cc: Remove outdated comment.
3002         * gold-threads.cc: Fix typo in error message.
3003         * archive.cc: Fix typos in comments.
3004         * archive.h: Likewise.
3005         * arm-reloc-property.cc: Likewise.
3006         * arm-reloc-property.h: Likewise.
3007         * arm-reloc.def: Likewise.
3008         * arm.cc: Likewise.
3009         * attributes.h: Likewise.
3010         * cref.cc: Likewise.
3011         * ehframe.cc: Likewise.
3012         * fileread.h: Likewise.
3013         * gold.h: Likewise.
3014         * i386.cc: Likewise.
3015         * icf.cc: Likewise.
3016         * incremental.h: Likewise.
3017         * int_encoding.cc: Likewise.
3018         * layout.h: Likewise.
3019         * main.cc: Likewise.
3020         * merge.h: Likewise.
3021         * object.cc: Likewise.
3022         * object.h: Likewise.
3023         * options.cc: Likewise.
3024         * readsyms.cc: Likewise.
3025         * reduced_debug_output.cc: Likewise.
3026         * reloc.cc: Likewise.
3027         * script-sections.cc: Likewise.
3028         * sparc.cc: Likewise.
3029         * symtab.h: Likewise.
3030         * target-reloc.h: Likewise.
3031         * target.cc: Likewise.
3032         * target.h: Likewise.
3033         * timer.cc: Likewise.
3034         * timer.h: Likewise.
3035         * x86_64.cc: Likewise.
3036
3037 2010-12-09  Cary Coutant  <ccoutant@google.com>
3038
3039         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3040         stack.
3041         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3042         parameter; change all callers.
3043         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3044         * options.h (warn_execstack): New option.
3045
3046 2010-12-07  Doug Kwan  <dougkwan@google.com>
3047
3048         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3049         like function call relocations.
3050
3051 2010-12-07  Ian Lance Taylor  <iant@google.com>
3052
3053         * archive.cc (Archive::get_elf_object_for_member): Permit
3054         punconfigured to be NULL.
3055         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3056         (Archive::include_member): Pass NULL to get_elf_object_for_member
3057         if we searched for the archive and this is the first included
3058         object.
3059
3060 2010-12-01  Ian Lance Taylor  <iant@google.com>
3061
3062         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3063         track_relocs_type_ field.
3064         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3065         Set track_relocs_type_.
3066         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3067         contents when using RELA relocs.
3068         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3069         reloc_map_.
3070         * reloc.cc (Track_relocs::next_addend): New function.
3071         * reloc.h (class Track_relocs): Declare next_addend.
3072
3073 2010-12-01  Ian Lance Taylor  <iant@google.com>
3074
3075         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3076         virtual destructor.
3077
3078 2010-12-01  Ian Lance Taylor  <iant@google.com>
3079
3080         * README: Update compilers known to work and fail.
3081
3082 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3083
3084         * configure.in: For --enable-gold, handle value `default' instead of
3085         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3086         not the default.
3087         * configure: Regenerate.
3088
3089 2010-11-18  Doug Kwan  <dougkwan@google.com>
3090
3091         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3092         and right_alignment to be zero.  Store result alignment only if it is
3093         greater than existing alignment.
3094
3095 2010-11-16  Cary Coutant  <ccoutant@google.com>
3096
3097         PR gold/12220
3098         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3099         Check for ".zdebug_line".
3100
3101 2010-11-16  Doug Kwan  <dougkwan@google.com>
3102             Cary Coutant  <ccoutant@google.com>
3103
3104         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3105         by reference; adjust all callers.
3106         * output.cc (Output_segment::set_section_addresses): Adjust references
3107         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3108         list is empty.
3109         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3110         end at page boundary.
3111
3112 2010-11-16  Cary Coutant  <ccoutant@google.com>
3113
3114         PR gold/12220
3115         * layout.cc (Layout::choose_output_section): Transform names of
3116         compressed sections even when using a script with a SECTIONS clause.
3117         (Layout::output_section_name): Remove code to transform
3118         compressed debug section names.
3119         * output.cc (Output_section::add_input_section): Use uncompressed
3120         section size when tracking input sections.
3121
3122 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3123
3124         * symtab.h (Symbol::NON_PIC_REF): Remove.
3125         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3126         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3127         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3128         (Symbol::use_plt_offset): Take a flags argument and pass it
3129         directly to needs_dynamic_reloc.  Restrict check for undefined
3130         weak symbols to function calls.
3131         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3132         (Target_arm::Scan::global): Use it.
3133         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3134         (Target_arm::Relocate::relocate): Likewise.
3135         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3136         parameter with an r_type parameter.  Use get_reference_flags
3137         to get the flags.
3138         (Target_arm::Relocate::relocate): Update accordingly.
3139         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3140         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3141         (Target_i386::Scan::global): Likewise.
3142         (Target_i386::Relocate::relocate): Likewise.
3143         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3144         parameter with an r_type parameter.  Use get_reference_flags
3145         to get the flags.
3146         (Target_i386::Relocate::relocate): Update accordingly.
3147         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3148         (Target_powerpc::Scan::global): Use it.
3149         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3150         (Target_powerpc::Relocate::relocate): Likewise.
3151         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3152         (Target_sparc::Scan::global): Use it.
3153         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3154         (Target_sparc::Relocate::relocate): Likewise.
3155         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3156         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3157         (Target_x86_64::Scan::global): Likewise.
3158         (Target_x86_64::Relocate::relocate): Likewise.
3159
3160 2010-11-08  Doug Kwan  <dougkwan@google.com>
3161             Cary Coutant  <ccoutant@google.com>
3162
3163         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3164         (Arm_exidx_merge_section::section_contents_): New data member.
3165         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3166         (Arm_input_section::~Arm_input_section): De-allocate memory.
3167         (Arm_input_section::original_contents_): New data member.       
3168         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3169         in parameters instead of calling Object::section_contents without
3170         locking.
3171         (Arm_output_section::group_section): New parameter TASK.  Pass it
3172         to callees that need locking objects.
3173         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3174         to lock EXIDX input sections.  Fix a formatting issue.  Call
3175         Arm_exidx_merged_section::build_contents to create merged section
3176         contents.
3177         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3178         to lock object of stub table owner.
3179         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3180         TEXT_SIZE to initialize data member TEXT_SIZE_.
3181         (Arm_exidx_input_section::addralign): Fix typo in comment.
3182         (Arm_exidx_input_section::text_size): New method.
3183         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3184         that require locking objects.  Lock objects before scanning for stubs
3185         and updating local symbols.
3186         (Arm_input_section<big_endian>::init): Copy contents of original
3187         input section.
3188         (Arm_input_section<big_endian>::do_write): Use saved contents of
3189         original input section instead of calling Object::section_contents
3190         without locking.
3191         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3192         size without calling Object::section_size().
3193         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3194         for size.  Allocate a buffer for merged EXIDX entries.
3195         (Arm_exidx_merged_section::build_contents): New method.
3196         (Arm_exidx_merged_section::do_write): Move merge section contents
3197         building code to Arm_exidx_merged_section::build_contetns.  Write
3198         out contetns in buffer instead of building it on the fly.
3199         (Arm_relobj::make_exidx_input_section): Also pass text section size
3200         to Arm_exidx_input_section constructor.
3201         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3202         (Arm_dynobj::do_read_symbols): Fix memory leak.
3203         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3204         * target.h: (class Task): Add forward declaration.
3205         (Target::relax): Add new parameter TASK and pass it to
3206         Target::do_relax().
3207         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3208
3209 2010-11-05  Cary Coutant  <ccoutant@google.com>
3210
3211         PR gold/10708
3212         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3213         object when reading from the file.
3214         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3215         second layout pass.
3216         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3217         when reading section contents.
3218         (get_section_contents): Likewise.
3219         (icf::find_identical_sections): Likewise.
3220         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3221         object when reading from the file.
3222         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3223         the object when doing deferred section layout.
3224
3225 2010-11-03  Nick Clifton  <nickc@redhat.com>
3226
3227         PR gold/12001
3228         * script.h (class Symbol_assignment: name): New member.  Returns
3229         the name of the symbol.
3230         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3231         Returns true if the given symbol name is on the list of
3232         assignments wating to be processed.
3233         * archive.cc (should_incldue_member): If the symbol is undefined,
3234         check to see if it is on the list of symbols pending assignment.
3235
3236 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3237
3238         * script-sections.cc (Script_sections::find_memory_region): Check
3239         for a NULL output section pointer.
3240
3241 2010-10-29  Doug Kwan  <dougkwan@google.com>
3242
3243         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3244         Output_section::add_relaxed_input_section.
3245         * output.cc (Output_section::add_relaxed_input_section): Add new
3246         arguments LAYOUT and NAME.  Set section order index.
3247         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3248         Copy section order index.
3249         * output.h (Output_section::add_relaxed_input_section): Add new
3250         arguments LAYOUT and NAME.
3251
3252 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3253
3254         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3255         NATIVE_OR_CROSS_LINKER.
3256         * testsuite/Makefile.in: Regenerate.
3257
3258 2010-10-20  Doug Kwan  <dougkwan@google.com>
3259
3260         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3261         without SHF_LINK_ORDER flags.
3262         * layout.cc (Layout::choose_output_section): Do not filter
3263         SHF_LINK_ORDER flag in a relocatable link.
3264
3265 2010-10-17  Cary Coutant  <ccoutant@google.com>
3266
3267         * output.h (Output_segment::set_section_addresses): Change function
3268         signature.  Update all callers.
3269         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3270         sections.
3271         (Output_segment::set_section_addresses): Align after last TLS
3272         section.  Add padding before last relro section instead of after.
3273
3274 2010-10-17  Doug Kwan  <dougkwan@google.com>
3275
3276         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3277         GOT output section to be writable.
3278
3279 2010-10-14  Cary Coutant  <ccoutant@google.com>
3280
3281         * debug.h (DEBUG_INCREMENTAL): New flag.
3282         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3283         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3284         mode.
3285         * incremental.cc (report_command_line): Ignore all forms of
3286         --incremental.
3287         * layout.cc (Layout::Layout): Check parameters for incremental link
3288         mode.
3289         * options.cc (General_options::parse_incremental): New function.
3290         (General_options::parse_no_incremental): New function.
3291         (General_options::parse_incremental_full): New function.
3292         (General_options::parse_incremental_update): New function.
3293         (General_options::incremental_mode_): New data member.
3294         (General_options::finalize): Check incremental_mode_.
3295         * options.h (General_options): Update help text for --incremental.
3296         Add --no-incremental, --incremental-full, --incremental-update.
3297         (General_options::Incremental_mode): New enum type.
3298         (General_options::incremental_mode): New function.
3299         (General_options::incremental_mode_): New data member.
3300         * parameters.cc (Parameters::incremental_mode_): New data member.
3301         (Parameters::set_options): Set incremental_mode_.
3302         (Parameters::set_incremental_full): New function.
3303         (Parameters::incremental): New function.
3304         (Parameters::incremental_update): New function.
3305         (set_parameters_incremental_full): New function.
3306         * parameters.h (Parameters::set_incremental_full): New function.
3307         (Parameters::incremental): New function.
3308         (Parameters::incremental_update): New function.
3309         (Parameters::incremental_mode_): New data member.
3310         (set_parameters_incremental_full): New function.
3311         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3312         incremental link mode.
3313         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3314         (Sized_relobj::do_relocate_sections): Likewise.
3315         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3316         option.
3317         * testsuite/Makefile.in: Regenerate.
3318         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3319
3320 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3321
3322         * script-sections.h (class Script_sections): Make
3323         Sections_elements typedef public.
3324         * script-sections.cc (class Sort_output_sections): Add elements_
3325         field.  Add constructor which sets it; change all callers.
3326         (Sort_output_sections::is_before): New function.
3327         (Sort_output_sections::operator()): Call is_before.
3328         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3329         conditional.
3330         * testsuite/script_test_10.sh: New test. Test script section
3331         order.
3332         * testsuite/script_test_10.t: Likewise.
3333         * testsuite/script_test_10.s: Likewise.
3334         * testsuite/Makefile.am: Wrap the cross linker tests and the
3335         common tests into NATIVE_OR_CROSS_LINKER.
3336         (check_SCRIPTS): Add script_test_10.sh.
3337         (check_DATA): Add script_test_10.stdout.
3338         (script_test_10.o, script_test_10): New targets.
3339         (script_test_10.stdout): New target.
3340         * configure, testsuite/Makefile.in: Regenerate.
3341
3342 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3343
3344         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3345         error for the deprecated relocations.
3346         (Target_arm::Scan::global): Likewise.
3347         (Target_arm::Relocate::relocate): Likewise.
3348
3349 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3350
3351         * fileread.cc (Input_file::find_file): Initialize *found_name
3352         and *namep when using the fallback search for case 4.
3353
3354 2010-10-11  Cary Coutant  <ccoutant@google.com>
3355
3356         * options.h (class General_options): Redefine -z lazy as an alias for
3357         the negation of -z now.
3358
3359 2010-10-11  Ian Lance Taylor  <iant@google.com>
3360
3361         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3362         binding.
3363
3364 2010-10-06  Nick Clifton  <nickc@redhat.com>
3365
3366         * script-sections.cc(class Memory_region): Remove
3367         current_lma_offset_ field.  Rename current_vma_offset_ to
3368         current_offset_.  Add last_section_ field.
3369         (Memory_region::get_current_vma_address): Rename to
3370         get_current_address.
3371         (Memory_region::get_current_lma_address): Delete.
3372         (Memory_region::increment_vma_offset): Rename to
3373         increment_offset.
3374         (Memory_region::increment_lma_offset): Delete.
3375         (Memory_region::attributes_compatible): New method.  Returns
3376         true if the provided section is compatible with the region.
3377         (Memory_region::get_last_section): New method.  Returns the last
3378         section to use the region.
3379         (Memory_region::set_last_section): New method.  Stores the last
3380         section to use the region.
3381         (Script_sections::block_in_region): New method.  Returns true if
3382         a block of memory is contained within a region.
3383         (Script_sections::find_memory_region): New method.  Locates a
3384         memory region to be used to set a VMA or LMA address.
3385         (Output_section_definition::set_section_addresses): Add code to
3386         check for addresses set by memory regions.
3387         (Output_segment::set_section_addresses): Remove memory region
3388         walking code.
3389         (Script_sections::create_segment): Add a warning if a header
3390         segment is created outside of any region.
3391         * script-sections.h (class Script_sections): Add prototypes for
3392         find_memory_region and block_in_region methods.
3393         * testsuite/memory_test.s: Use .long instead of .word.
3394         * testsuite/memory_test.t: Add some more output sections.
3395         * testsuite/memory_test.sh: Update expected output.
3396
3397 2010-10-02  Doug Kwan  <dougkwan@google.com>
3398
3399         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3400         defintion to symtab.h
3401         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3402         declaration to defintion.
3403
3404 2010-10-01  Nick Clifton  <nickc@redhat.com>
3405
3406         * expression.cc (eval): Replace dummy argument with NULL.
3407         (eval_maybe_dot): Check for a NULL result section pointer.
3408         (Symbol_expression::value): Likewise.
3409         (Dot_expression::value): Likewise.
3410         (BINARY_EXPRESSION): Likewise.
3411         (Max_expression::value): Likewise.
3412         (Min_expression::value): Likewise.
3413         (Absolute_expression::value): Likewise.
3414         (Addr_expression::value_from_output_section): Likewise.
3415         (Loaddddr_expression::value_from_output_section): Likewise.
3416         (Segment_start_expression::value): Likewise.
3417         * script-sections.cc
3418         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3419         argument with NULL.
3420         (Sections_elememt_dot_assignment::set_section_addresses):
3421         Likewise.
3422         (Output_data_expression::do_write_to_buffer): Likewise.
3423         (Output_section_definition::finalize_symbols): Likewise.
3424         (Output_section_definition::set_section_addresses): Likewise.
3425
3426 2010-09-30  Doug Kwan  <dougkwan@google.com>
3427
3428         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3429
3430 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3431
3432         * target.h (Target::can_icf_inline_merge_sections): New virtual
3433         function.
3434         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3435         virtual function.
3436         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3437         virtual function.
3438         * icf.cc (get_section_contents): Inline merge sections only when
3439         target allows it.
3440
3441 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3442
3443         * configure: Regenerate.
3444
3445 2010-09-17  Ian Lance Taylor  <iant@google.com>
3446
3447         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3448         * testsuite/Makefile.am (memory_test.o): New target.
3449         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3450         memory_test.t.
3451         * testsuite/Makefile.in: Rebuild.
3452
3453 2010-09-17  Doug Kwan  <dougkwan@google.com>
3454
3455         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3456         defintion if relocation uses GOT entries of the symbol.
3457         * testsuite/icf_safe_test.sh: Fix test.
3458         * testsuite/icf_safe_so_test.sh: Fix test.
3459
3460 2010-09-16  Cary Coutant  <ccoutant@google.com>
3461
3462         * script_sections.cc (class Memory_region): Remove "NULL" from
3463         vector initializations.
3464
3465 2010-09-15  Cary Coutant  <ccoutant@google.com>
3466
3467         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3468         Resolve forwarding symbols.
3469
3470 2010-09-15  Doug Kwan  <dougkwan@google.com>
3471
3472         * gold/testsuite/script_test_3.t: Add ARM special sections.
3473         * gold/testsuite/script_test_4.t: Same.
3474         * gold/testsuite/script_test_5.t: Same.
3475         * gold/testsuite/script_test_6.t: Same.
3476         * gold/testsuite/script_test_7.t: Same.
3477         * gold/testsuite/script_test_7.t: Same.
3478         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3479
3480 2010-09-14  Cary Coutant  <ccoutant@google.com>
3481
3482         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3483         (Target_x86_64::Relocate::relocate_tls): Replace check for
3484         saw_tls_block_reloc_ with test for executable section.
3485
3486 2010-09-12  Cary Coutant  <ccoutant@google.com>
3487
3488         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3489         position-independent executables to shared libraries need dynamic
3490         relocations.
3491         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3492         position-independent executables.
3493         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3494         * testsuite/Makefile.in: Regenerate.
3495
3496 2010-09-10  Nick Clifton  <nickc@redhat.com>
3497
3498         PR gold/11997
3499         * testsuite/memory_test.t: Discard any sections that are not
3500         needed.
3501
3502 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3503
3504         PR gold/11996
3505         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3506         "This::" to work around a bug in gcc 4.2.
3507
3508         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3509
3510 2010-09-09  Rafael Espindola  <espindola@google.com>
3511
3512         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3513         sections with different PF_X flags in the same segment.
3514         (Layout::find_first_load_seg): Search all segments to find the first
3515         one.
3516         * options.h (rosegment): New.
3517
3518 2010-09-08  Rafael Espindola  <espindola@google.com>
3519
3520         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3521
3522 2010-09-08  Doug Kwan  <dougkwan@google.com>
3523
3524         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3525         (Arm_relobj::do_relocate_sections): Add new parameter for output
3526         file to match the parent.
3527         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3528         of local symbols instead of input values.  Update code to track
3529         changes in gold::relocate_section.
3530         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3531         (Sized_relobj::compute_final_local_value_internal): New methods.
3532         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3533         body into private version of Sized_relobj::compute_final_local_value.
3534         Call the inline method.
3535         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3536         merged symbol value if there is one.
3537         (Symbol_value::has_output_value): New method defintiion.
3538         (Sized_relobj::Compute_final_local_value_status): New enum type.
3539         (Sized_relobj::compute_final_local_value): New methods.
3540         (Sized_relobj::compute_final_local_value_internal): New methods.
3541         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3542         and arm_cortex_a8.sh.
3543         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3544         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3545         New tests.
3546         * Makefile.in: Regenerate.
3547         * testsuite/arm_bl_out_of_range.s: Update test.
3548         * testsuite/thumb_bl_out_of_range.s: Ditto.
3549         * testsuite/thumb_blx_out_of_range.s: Ditto.
3550         * testsuite/arm_branch_out_of_range.sh: New file.
3551         * testsuite/arm_cortex_a8.sh: Ditto.
3552         * testsuite/arm_cortex_a8_b.s: Ditto.
3553         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3554         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3555         * testsuite/arm_cortex_a8_bl.s: Ditto.
3556         * testsuite/arm_cortex_a8_blx.s: Ditto.
3557         * testsuite/arm_cortex_a8_local.s: Ditto.
3558         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3559         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3560
3561 2010-09-08  Rafael Espindola  <espindola@google.com>
3562
3563         * Makefile.am (memory_test.stdout): Run readelf with -W.
3564         * Makefile.in: Regenerate.
3565         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3566         64 bit output.
3567
3568 2010-09-08  Rafael Espindola  <espindola@google.com>
3569
3570         * script-sections.cc (Script_sections::add_memory_region): Convert
3571         field precision to int.
3572         * script.cc (script_set_section_region, script_set_section_region):
3573         Convert field precision to int.
3574
3575 2010-09-08  Rafael Espindola  <espindola@google.com>
3576
3577         * arm.cc (do_finalize_sections): Create the __exidx_start and
3578         __exdix_end symbols even when the section is missing.
3579
3580 2010-09-08  Nick Clifton  <nickc@redhat.com>
3581
3582         * README: Remove claim that MEMORY is not supported.
3583         * expression.cc (script_exp_function_origin)
3584         (script_exp_function_length): Move from here to ...
3585         * script.cc: ... here.
3586         (script_set_section_region, script_add_memory)
3587         (script_parse_memory_attr, script_include_directive): New
3588         functions.
3589         * script-sections.cc
3590         (class Memory_region): New class.
3591         (class Output_section_definition): Add set_memory_region,
3592         set_section_vma, set_section_lma and get_section_name methods.
3593         (class Script_Sections): Add add_memory_region,
3594         find_memory_region, find_memory_region_origin,
3595         find_memory_region_length and set_memory_region methods.
3596         Have set_section_addresses method walk the list of set memory
3597         regions.
3598         Extend the print methos to display memory regions.
3599         * script-sections.h: Add prototypes for new methods.
3600         Add enum for MEMORY region attributes.
3601         * yyscript.y: Add support for parsing MEMORY regions.
3602         * script-c.h: Add prototypes for new functions.
3603         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3604         * testsuite/Makefile.in: Regenerate.
3605         * testsuite/memory_test.sh: New script.
3606         * testsuite/memory_test.s: New assembler source file.
3607         * testsuite/memory_test.t: New linker script.
3608
3609 2010-08-27  Doug Kwan  <dougkwan@google.com>
3610
3611         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3612         reference override an existing dynamic weak reference.
3613         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3614         * testsuite/Makefile.in: Regenerate.
3615         * testsuite/dyn_weak_ref.sh: New file.
3616         * testsuite/dyn_weak_ref_1.c: Ditto.
3617         * testsuite/dyn_weak_ref_2.c: Ditto.
3618
3619 2010-08-27  Ian Lance Taylor  <iant@google.com>
3620
3621         * incremental.h (class Incremental_input_entry): Add virtual
3622         destructor.
3623
3624 2010-08-27  Ian Lance Taylor  <iant@google.com>
3625
3626         * testsuite/start_lib_test_3.c: Mark t3 as used.
3627
3628 2010-08-27  Nick Clifton  <nickc@redhat.com>
3629
3630         * options.cc (version_script): Fix small typo in previous
3631         whitespace tidyup.
3632
3633 2010-08-25  Nick Clifton  <nickc@redhat.com>
3634
3635         * archive.cc: Formatting fixes: Remove whitespace between
3636         typename and following asterisk.  Remove whitespace between
3637         function name and opening parenthesis.
3638         * archive.h: Likewise.
3639         * arm.cc: Likewise.
3640         * attributes.cc: Likewise.
3641         * attributes.h: Likewise.
3642         * common.cc: Likewise.
3643         * copy-relocs.cc: Likewise.
3644         * dirsearch.h: Likewise.
3645         * dynobj.cc: Likewise.
3646         * ehframe.cc: Likewise.
3647         * ehframe.h: Likewise.
3648         * expression.cc: Likewise.
3649         * fileread.cc: Likewise.
3650         * fileread.h: Likewise.
3651         * gc.h: Likewise.
3652         * gold-threads.cc: Likewise.
3653         * gold.cc: Likewise.
3654         * i386.cc: Likewise.
3655         * icf.h: Likewise.
3656         * incremental-dump.cc: Likewise.
3657         * incremental.cc: Likewise.
3658         * layout.cc: Likewise.
3659         * layout.h: Likewise.
3660         * main.cc: Likewise.
3661         * merge.cc: Likewise.
3662         * merge.h: Likewise.
3663         * object.cc: Likewise.
3664         * object.h: Likewise.
3665         * options.cc: Likewise.
3666         * options.h: Likewise.
3667         * output.cc: Likewise.
3668         * output.h: Likewise.
3669         * plugin.cc: Likewise.
3670         * plugin.h: Likewise.
3671         * powerpc.cc: Likewise.
3672         * reloc.cc: Likewise.
3673         * script-c.h: Likewise.
3674         * script-sections.cc: Likewise.
3675         * script.cc: Likewise.
3676         * stringpool.cc: Likewise.
3677         * symtab.cc: Likewise.
3678         * symtab.h: Likewise.
3679         * target.cc: Likewise.
3680         * timer.cc: Likewise.
3681         * timer.h: Likewise.
3682         * version.cc: Likewise.
3683         * x86_64.cc: Likewise.
3684
3685 2010-08-24  Nick Clifton  <nickc@redhat.com>
3686
3687         PR 11899
3688         * layout.cc (segment_precedes): Sort segments by their physical
3689         addresses, if they have been set.
3690
3691 2010-08-23  Cary Coutant  <ccoutant@google.com>
3692
3693         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3694         symbols data.
3695         (Lib_group::include_member): Unlock object after deleting its
3696         symbols data.
3697         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3698         the bug fixed here.
3699
3700 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3701             Cary Coutant  <ccoutant@google.com>
3702
3703         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3704         constructor, and set_blocker.
3705         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3706         readsyms_blocker_.
3707         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3708         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3709         * testsuite/Makefile.am (start_lib_test): New test case.
3710         * testsuite/Makefile.in: Regenerate.
3711         * testsuite/start_lib_test_main.c: New file.
3712         * testsuite/start_lib_test_1.c: New file.
3713         * testsuite/start_lib_test_2.c: New file.
3714         * testsuite/start_lib_test_3.c: New file.
3715
3716 2010-08-19  Ian Lance Taylor  <iant@google.com>
3717
3718         * Makefile.in: Rebuild with automake 1.11.1.
3719         * aclocal.m4: Likewise.
3720         * testsuite/Makefile.in: Likewise.
3721
3722 2010-08-19  Ian Lance Taylor  <iant@google.com>
3723
3724         PR 10893
3725         * i386.cc (class Output_data_plt_i386): Update declarations.
3726         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3727         local_ifuncs_ fields.
3728         (Target_i386::do_plt_section_for_global): New function.
3729         (Target_i386::do_plt_section_for_local): New function.
3730         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3731         parameter; change all callers.  Initialize global_ifuncs_ and
3732         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3733         __rel_iplt_end.
3734         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3735         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3736         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3737         symbols.
3738         (Target_i386::make_plt_section): New function, broken out of
3739         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3740         (Target_i386::make_plt_entry): Call make_plt_section.
3741         (Target_i386::make_local_ifunc_plt_entry): New function.
3742         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3743         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3744         R_386_IRELATIVE to switch.
3745         (Target_i386::Scan::global): Likewise.
3746         (Target_i386::Relocate::relocate): Likewise.
3747         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3748         switch.
3749         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3750         (Target_x86_64::do_plt_section_for_global): New function.
3751         (Target_x86_64::do_plt_section_for_local): New function.
3752         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3753         parameter; change all callers.  If doing a static link define
3754         __rela_iplt_start and __rela_iplt_end.
3755         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3756         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3757         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3758         to point to .plt.
3759         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3760         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3761         switch.
3762         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3763         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3764         R_X86_64_IRELATIVE to switch.
3765         (Target_x86_64::Scan::global): Likewise.
3766         (Target_x86_64::Relocate::relocate): Likewise.
3767         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3768         switch.
3769         * target.h (class Target): Add plt_section_for_global and
3770         plt_section_for_local functions.  Add do_plt_section_for_global
3771         and do_plt_section_for_local virtual functions.
3772         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3773         clarifying comments.
3774         (Symbol::use_plt_offset): Handle IFUNC symbol.
3775         * object.cc (Sized_relobj::Sized_relobj): Initialize
3776         local_plt_offsets_.
3777         (Sized_relobj::local_has_plt_offset): New function.
3778         (Sized_relobj::local_plt_offset): New function.
3779         (Sized_relobj::set_local_plt_offset): New function.
3780         (Sized_relobj::do_count): Handle IFUNC symbol.
3781         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3782         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3783         is_ifunc_symbol functions.
3784         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3785         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3786         local_plt_offsets_ field.
3787         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3788         * output.h (class Output_section_data): Add non-const
3789         output_section function.
3790         (class Output_data_got): Update declarations.
3791         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3792         Add use_plt_offset parameter to global and local constructors.
3793         Change all callers.  Change local_sym_index_ field to 31 bits.
3794         Change GSYM_CODE and CONSTANT_CODE accordingly.
3795         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3796         doing a static link don't set sh_link field.
3797         (Output_data_got::Got_entry::write): Use PLT offset if
3798         appropriate.
3799         (Output_data_got::add_global_plt): New function.
3800         (Output_data_got::add_local_plt): New function.
3801         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3802         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3803         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3804         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3805         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3806         IFUNC conditional.
3807         * testsuite/ifunc-sel.h: New file.
3808         * testsuite/ifuncmain1.c: New file.
3809         * testsuite/ifuncmain1vis.c: New file.
3810         * testsuite/ifuncmod1.c: New file.
3811         * testsuite/ifuncdep2.c: New file.
3812         * testsuite/ifuncmain2.c: New file.
3813         * testsuite/ifuncmain3.c: New file.
3814         * testsuite/ifuncmod3.c: New file.
3815         * testsuite/ifuncmain4.c: New file.
3816         * testsuite/ifuncmain5.c: New file.
3817         * testsuite/ifuncmod5.c: New file.
3818         * testsuite/ifuncmain6pie.c: New file.
3819         * testsuite/ifuncmod6.c: New file.
3820         * testsuite/ifuncmain7.c: New file.
3821         * configure, testsuite/Makefile.in: Rebuild.
3822
3823 2010-08-18  Ian Lance Taylor  <iant@google.com>
3824
3825         * incremental.cc
3826         (Output_section_incremental_inputs::write_input_files): Add cast
3827         to avoid signed/unsigned comparison warning.
3828         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3829
3830 2010-08-12  Cary Coutant  <ccoutant@google.com>
3831
3832         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3833
3834 2010-08-13  Ian Lance Taylor  <iant@google.com>
3835
3836         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3837
3838 2010-08-12  Cary Coutant  <ccoutant@google.com>
3839             Doug Kwan  <dougkwan@google.com>
3840
3841         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3842         defintion overrides non-weak undef, remember that the original undef
3843         is not weak.
3844         * symtab.cc (Symbol_table::sized_write_global): For undef without
3845         an original weak binding, set binding to global in output.
3846         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3847         * testsuite/Makefile.in: Regenerate.
3848         * testsuite/strong_ref_weak_def.sh: New file.
3849         * testsuite/strong_ref_weak_def_1.c: Ditto.
3850         * testsuite/strong_ref_weak_def_2.c: Ditto.
3851
3852 2010-08-12  Cary Coutant  <ccoutant@google.com>
3853
3854         * testsuite/incremental_test.sh: Rewrite.
3855         * testsuite/incremental_test_1.c: Rewrite.
3856         * testsuite/incremental_test_2.c: Rewrite.
3857
3858 2010-08-12  Cary Coutant  <ccoutant@google.com>
3859
3860         * arm.cc (Target_arm::got_size): Add const.
3861         (Target_arm::got_entry_count): New function.
3862         (Target_arm::plt_entry_count): New function.
3863         (Target_arm::first_plt_entry_offset): New function.
3864         (Target_arm::plt_entry_size): New function.
3865         (Output_data_plt_arm::entry_count): New function.
3866         (Output_data_plt_arm::first_plt_entry_offset): New function.
3867         (Output_data_plt_arm::get_plt_entry_size): New function.
3868         * i386.cc (Target_i386::got_size): Add const.
3869         (Target_i386::got_entry_count): New function.
3870         (Target_i386::plt_entry_count): New function.
3871         (Target_i386::first_plt_entry_offset): New function.
3872         (Target_i386::plt_entry_size): New function.
3873         (Output_data_plt_i386::entry_count): New function.
3874         (Output_data_plt_i386::first_plt_entry_offset): New function.
3875         (Output_data_plt_i386::get_plt_entry_size): New function.
3876         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3877         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3878         * incremental.cc: Include target.h.
3879         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3880         parameter.  Adjust all callers.  Find incremental_got_plt section.
3881         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3882         section.
3883         (Output_section_incremental_inputs::set_final_data_size): Calculate
3884         size of incremental_got_plt section.
3885         (Output_section_incremental_inputs::do_write): Write the
3886         incremental_got_plt section.
3887         (Got_plt_view_info): New struct.
3888         (Local_got_offset_visitor): New class.
3889         (Global_got_offset_visitor): New class.
3890         (Global_symbol_visitor_got_plt): New class.
3891         (Output_section_incremental_inputs::write_got_plt): New function.
3892         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3893         Add parameter.  Adjust all callers.
3894         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3895         (Incremental_inputs::got_plt_section): New function.
3896         (Incremental_inputs::got_plt_section_): New data member.
3897         (Incremental_got_plt_reader): New class.
3898         * layout.cc (Layout::create_incremental_info_sections): Add the
3899         incremental_got_plt section.
3900         * object.h (Got_offset_list::get_list): New function.
3901         (Got offset_list::for_all_got_offsets): New function.
3902         (Sized_relobj::local_got_offset_list): New function.
3903         * powerpc.cc (Target_powerpc::got_size): Add const.
3904         (Target_powerpc::got_entry_count): New function.
3905         (Target_powerpc::plt_entry_count): New function.
3906         (Target_powerpc::first_plt_entry_offset): New function.
3907         (Target_powerpc::plt_entry_size): New function.
3908         (Output_data_plt_powerpc::entry_count): New function.
3909         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3910         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3911         * sparc.cc (Target_sparc::got_size): Add const.
3912         (Target_sparc::got_entry_count): New function.
3913         (Target_sparc::plt_entry_count): New function.
3914         (Target_sparc::first_plt_entry_offset): New function.
3915         (Target_sparc::plt_entry_size): New function.
3916         (Output_data_plt_sparc::entry_count): New function.
3917         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3918         (Output_data_plt_sparc::get_plt_entry_size): New function.
3919         * symtab.h (Symbol::got_offset_list): New function.
3920         (Symbol_table::for_all_symbols): New function.
3921         * target.h (Sized_target::got_entry_count): New function.
3922         (Sized_target::plt_entry_count): New function.
3923         (Sized_target::plt_entry_size): New function.
3924         * x86_64.cc (Target_x86_64::got_size): Add const.
3925         (Target_x86_64::got_entry_count): New function.
3926         (Target_x86_64::plt_entry_count): New function.
3927         (Target_x86_64::first_plt_entry_offset): New function.
3928         (Target_x86_64::plt_entry_size): New function.
3929         (Output_data_plt_x86_64::entry_count): New function.
3930         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3931         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3932
3933 2010-08-12  Cary Coutant  <ccoutant@google.com>
3934
3935         * archive.cc: Include incremental.h.
3936         (Archive::Archive): Initialize incremental_info_.
3937         (Archive::include_member): Record archive members in incremental info.
3938         (Add_archive_symbols::run): Record begin and end of an archive in
3939         incremental info.
3940         (Lib_group::include_member): Record objects in incremental info.
3941         * archive.h (Incremental_archive_entry): Forward declaration.
3942         (Archive::set_incremental_info): New member function.
3943         (Archive::incremental_info): New member function.
3944         (Archive::Unused_symbol_iterator): New class.
3945         (Archive::unused_symbols_begin): New member function.
3946         (Archive::unused_symbols_end): New member function.
3947         (Archive::incremental_info_): New data member.
3948         * incremental-dump.cc (find_input_containing_global): New function.
3949         (dump_incremental_inputs): Dump new incremental info sections.
3950         * incremental.cc: Include symtab.h.
3951         (Output_section_incremental_inputs): New class.
3952         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3953         new incremental info sections.
3954         (Sized_incremental_binary::do_check_inputs): Likewise.
3955         (Incremental_inputs::report_archive): Remove.
3956         (Incremental_inputs::report_archive_begin): New function.
3957         (Incremental_inputs::report_archive_end): New function.
3958         (Incremental_inputs::report_object): New function.
3959         (Incremental_inputs::finalize_inputs): Remove.
3960         (Incremental_inputs::report_input_section): New function.
3961         (Incremental_inputs::report_script): Rewrite.
3962         (Incremental_inputs::finalize): Do nothing but finalize string table.
3963         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3964         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3965         (Incremental_inputs::create_data_sections): New function.
3966         (Incremental_inputs::relocs_entsize): New function.
3967         (Output_section_incremental_inputs::set_final_data_size): New function.
3968         (Output_section_incremental_inputs::do_write): New function.
3969         (Output_section_incremental_inputs::write_header): New function.
3970         (Output_section_incremental_inputs::write_input_files): New function.
3971         (Output_section_incremental_inputs::write_info_blocks): New function.
3972         (Output_section_incremental_inputs::write_symtab): New function.
3973         * incremental.h (Incremental_script_entry): Forward declaration.
3974         (Incremental_object_entry): Forward declaration.
3975         (Incremental_archive_entry): Forward declaration.
3976         (Incremental_inputs): Forward declaration.
3977         (Incremental_inputs_header_data): Remove.
3978         (Incremental_inputs_header): Remove.
3979         (Incremental_inputs_header_write): Remove.
3980         (Incremental_inputs_entry_data): Remove.
3981         (Incremental_inputs_entry): Remove.
3982         (Incremental_inputs_entry_write): Remove.
3983         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3984         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3985         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3986         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3987         Likewise.
3988         (Incremental_input_entry): New class.
3989         (Incremental_script_entry): New class.
3990         (Incremental_object_entry): New class.
3991         (Incremental_archive_entry): New class.
3992         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3993         (Incremental_inputs::report_inputs): Remove.
3994         (Incremental_inputs::report_archive): Remove.
3995         (Incremental_inputs::report_archive_begin): New function.
3996         (Incremental_inputs::report_archive_end): New function.
3997         (Incremental_inputs::report_object): Change prototype.
3998         (Incremental_inputs::report_input_section): New function.
3999         (Incremental_inputs::report_script): Change prototype.
4000         (Incremental_inputs::get_reloc_count): New function.
4001         (Incremental_inputs::set_reloc_count): New function.
4002         (Incremental_inputs::create_data_sections): New function.
4003         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4004         (Incremental_inputs::inputs_section): New function.
4005         (Incremental_inputs::symtab_section): New function.
4006         (Incremental_inputs::relocs_section): New function.
4007         (Incremental_inputs::get_stringpool): Add const.
4008         (Incremental_inputs::command_line): Add const.
4009         (Incremental_inputs::inputs): Remove.
4010         (Incremental_inputs::command_line_key): New function.
4011         (Incremental_inputs::input_file_count): New function.
4012         (Incremental_inputs::input_files): New function.
4013         (Incremental_inputs::relocs_entsize): New function.
4014         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4015         (Incremental_inputs::finalize_inputs): Remove.
4016         (Incremental_inputs::Input_info): Remove.
4017         (Incremental_inputs::lock_): Remove.
4018         (Incremental_inputs::inputs_): Change type.
4019         (Incremental_inputs::inputs_map_): Remove.
4020         (Incremental_inputs::current_object_entry_): New data member.
4021         (Incremental_inputs::inputs_section_): New data member.
4022         (Incremental_inputs::symtab_section_): New data member.
4023         (Incremental_inputs::relocs_section_): New data member.
4024         (Incremental_inputs::reloc_count_): New data member.
4025         (Incremental_inputs_reader): New class.
4026         (Incremental_symtab_reader): New class.
4027         (Incremental_relocs_reader): New class.
4028         * layout.cc (Layout::finalize): Move finalization of incremental info
4029         and creation of incremental info sections to follow finalization of
4030         symbol table.  Set offsets for postprocessing sections.
4031         (Layout::create_incremental_info_sections): Call
4032         Incremental_inputs::create_data_sections.  Add incremental symtab
4033         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4034         sections to layout after input sections.
4035         * layout.h (struct Timespec): Forward declaration.
4036         (Layout::incremental_inputs): Add const.
4037         (Layout::create_incremental_info_sections): Add parameter.
4038         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4039         * object.cc: Include incremental.h.
4040         (Relobj::finalize_incremental_relocs): New function.
4041         (Sized_relobj::do_layout): Record input sections in incremental info.
4042         * object.h (Object::output_section): New function.
4043         (Object::output_section_offset): Moved from Relobj.
4044         (Object::get_incremental_reloc_base): New function.
4045         (Object::get_incremental_reloc_count): New function.
4046         (Object::do_output_section): New function.
4047         (Object::do_output_section_offset): Moved from Relobj.
4048         (Object::do_get_incremental_reloc_base): New function.
4049         (Object::do_get_incremental_reloc_count): New function.
4050         (Object::Object): Initialize new data members.
4051         (Relobj::output_section): Renamed do_output_section and moved to
4052         protected.
4053         (Relobj::output_section_offset): Moved to Object.
4054         (Relobj::do_get_incremental_reloc_base): New function.
4055         (Relobj::do_get_incremental_reloc_count): New function.
4056         (Relobj::allocate_incremental_reloc_counts): New function.
4057         (Relobj::count_incremental_reloc): New function.
4058         (Relobj::finalize_incremental_relocs): New function.
4059         (Relobj::next_incremental_reloc_index): New function.
4060         (Relobj::reloc_counts_): New data member.
4061         (Relobj::reloc_bases_): New data member.
4062         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4063         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4064         (Sized_relobj::incremental_relocs_scan): New function.
4065         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4066         (Sized_relobj::incremental_relocs_write): New function.
4067         (Sized_relobj::incremental_relocs_write_reltype): New function.
4068         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4069         incremental link.
4070         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4071         archives and object files elsewhere.
4072         (Add_symbols::run): Report object files here.
4073         (Finish_group::run): Report end of archive at end of group.
4074         * reloc.cc: Include layout.h, incremental.h.
4075         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4076         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4077         (Sized_relobj::incremental_relocs_scan): New function.
4078         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4079         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4080         (Sized_relobj::incremental_relocs_write): New function.
4081         (Sized_relobj::incremental_relocs_write_reltype): New function.
4082         * script.cc (read_input_script): Rewrite test for incremental link.
4083         Change call to Incremental_inputs::report_script.
4084         * symtab.h (Symbol_table::first_global_index): New function.
4085         (Symbol_table::output_count): New function.
4086
4087 2010-08-12  Doug Kwan  <dougkwan@google.com>
4088
4089         * arm.cc (Target_arm::merge_object_attributes): Check command line
4090         options --no-wchar-size-warning and --no-enum-size-warning.
4091         * options.h (General_options): Add ld-compatible options
4092         --no-enum-size-warning and --no-wchar-size-warning.
4093
4094 2010-08-04  Ian Lance Taylor  <iant@google.com>
4095
4096         * x86_64.cc (Target_x86_64::Scan::local): Use
4097         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4098         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4099         (Target_x86_64::Scan::global): Likewise.
4100         (Target_x86_64::Relocate::relocate): Likewise.
4101         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4102         Likewise.
4103
4104 2010-08-03  Cary Coutant  <ccoutant@google.com>
4105
4106         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4107         to reserve space in merged_strings vector. Keep total input size
4108         for stats.
4109         (Output_merge_string::do_print_merge_stats): Print total input size.
4110         * merge.h (Output_merge_string): Add input_size_ field.
4111         * stringpool.cc (Stringpool_template::string_length): Move
4112         implementations out of Stringpool_template class and place in
4113         stringpool.h.
4114         * stringpool.h (string_length): Move out of Stringpool_template.
4115
4116 2010-08-03  Ian Lance Taylor  <iant@google.com>
4117
4118         PR 11712
4119         * layout.cc (relaxation_loop_body): If address of load segment is
4120         set, adjust address to include headers if possible.
4121
4122 2010-08-03  Ian Lance Taylor  <iant@google.com>
4123
4124         * version.cc (version_string): Bump to 1.10.
4125
4126 2010-08-03  Ian Lance Taylor  <iant@google.com>
4127
4128         PR 11805
4129         * layout.h (enum Output_section_order): Define.
4130         (class Layout): Update declarations.
4131         * layout.cc (Layout::get_output_section): Add order parameter.
4132         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4133         is_first_non_relro parameters.  Change all callers.
4134         (Layout::choose_output_section): Likewise.
4135         (Layout::add_output_section_data): Likewise.
4136         (Layout::make_output_section): Likewise.  Set order.
4137         (Layout::default_section_order): New function.
4138         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4139         * output.cc (Output_section::Output_section): Initialize order_.
4140         Don't initialize deleted fields.
4141         (Output_segment::Output_segment): Don't initialize deleted
4142         fields.
4143         (Output_segment::add_output_section_to_load): New function
4144         replacing add_output_section.  Change all callers to call this or
4145         add_output_section_to_nonload.
4146         (Output_segment::add_output_section_to_nonload): New function.
4147         (Output_segment::remove_output_section): Rewrite.
4148         (Output_segment::add_initial_output_data): Likewise.
4149         (Output_segment::has_any_data_sections): Likewise.
4150         (Output_segment::is_first_section_relro): Likewise.
4151         (Output_segment::maximum_alignment): Likewise.
4152         (Output_segment::has_dynamic_reloc): New function replacing
4153         dynamic_reloc_count.  Change all callers.
4154         (Output_segment::has_dynamic_reloc_list): New function replacing
4155         dynamic_reloc_count_list.  Change all callers.
4156         (Output_segment::set_section_addresses): Rewrite.
4157         (Output_segment::set_offset): Rewrite.
4158         (Output_segment::find_first_and_last_list): Remove.
4159         (Output_segment::set_tls_offsets): Rewrite.
4160         (Output_segment::first_section_load_address): Likewise.
4161         (Output_segment::output_section_count): Likewise.
4162         (Output_segment::section_with_lowest_load_address): Likewise.
4163         (Output_segment::write_section_headers): Likewise.
4164         (Output_segment::print_sections_to_map): Likewise.
4165         * output.h (class Output_data): Remove dynamic_reloc_count_
4166         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4167         (Output_data::add_dynamic_reloc): Rewrite.
4168         (Output_data::has_dynamic_reloc): New function.
4169         (Output_data::dynamic_reloc_count): Remove.
4170         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4171         is_last_relro_, is_first_non_relro_, is_interp_,
4172         is_dynamic_linker_section_ fields.  Add order and set_order
4173         functions.  Remove is_relro_local, set_is_relro_local,
4174         is_last_relro, set_is_last_relro, is_first_non_relro,
4175         set_is_first_non_relro functions, is_interp, set_is_interp,
4176         is_dynamic_linker_section, and set_is_dynamic_linker_section
4177         functions.
4178         (class Output_segment): Change Output_data_list from std::list to
4179         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4180         output_bss_ fields.  Update declarations.
4181
4182 2010-08-02  Ian Lance Taylor  <iant@google.com>
4183
4184         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4185         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4186         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4187
4188 2010-08-02  Ian Lance Taylor  <iant@google.com>
4189
4190         PR 11855
4191         * script.cc (Script_options::Script_options): Initialize
4192         symbol_definitions_ and symbol_references_.
4193         (Script_options::add_symbol_assignment): Update
4194         symbol_definitions_ and symbol_references_.
4195         (Script_options::add_symbol_reference): New function.
4196         (script_symbol): New function.
4197         * script.h (class Script_options): Add symbol_definitions_ and
4198         symbol_references_ fields.
4199         (Script_options::referenced_const_iterator): New type.
4200         (Script_options::referenced_begin): New function.
4201         (Script_options::referenced_end): New function.
4202         (Script_options::is_referenced): New function.
4203         (Script_options::any_unreferenced): New function.
4204         * script-c.h (script_symbol): Declare.
4205         * yyscript.y (exp): Call script_symbol.
4206         * symtab.cc: Include "script.h".
4207         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4208         Change all callers.  Check symbols referenced by scripts.
4209         (Symbol_table::add_undefined_symbols_from_command_line): Add
4210         layout parameter.  Change all callers.
4211         (Symbol_table::do_add_undefined_symbols_from_command_line):
4212         Likewise.  Break out loop body.  Check symbols referenced by
4213         scripts.
4214         (Symbol_table::add_undefined_symbol_from_command_line): New
4215         function broken out of
4216         do_add_undefined_symbols_from_command_line.
4217         * symtab.h (class Symbol_table): Update declarations.
4218         * archive.cc: Include "layout.h".
4219         (Archive::should_include_member): Add layout parameter.  Change
4220         all callers.  Check for symbol mentioned in expression.
4221         * archive.h (class Archive): Update declaration.
4222         * object.cc (Sized_relobj::do_should_include_member): Add layout
4223         parameter.
4224         * object.h (Object::should_include_member): Add layout parameter.
4225         Change all callers.
4226         (Object::do_should_include_member): Add layout parameter.
4227         (class Sized_relobj): Update declaration.
4228         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4229         parameter.
4230         * dynobj.h (class Sized_dynobj): Update declaration.
4231         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4232         layout parameter.
4233         * plugin.h (class Sized_pluginobj): Update declaration.
4234
4235 2010-08-02  Ian Lance Taylor  <iant@google.com>
4236
4237         PR 11866
4238         * output.cc (Output_segment::set_offset): Search for the first and
4239         last sections rather than assuming that the list is in order.
4240         (Output_segment::find_first_and_last_list): New function.
4241         * output.h (class Output_segment): Update declarations.
4242         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4243         (relro_strip_test_SOURCES): New variable.
4244         (relro_strip_test_DEPENDENCIES): New variable.
4245         (relro_strip_test_LDFLAGS): New variable.
4246         (relro_strip_test_LDADD): New variable.
4247         (relro_strip_test.so): New target.
4248
4249 2010-08-02  Ian Lance Taylor  <iant@google.com>
4250
4251         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4252         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4253         (Target_i386::got_tlsdesc_section): New function.
4254         (Target_i386::got_section): Create space for GOT entries for
4255         TLSDESC relocations.
4256         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4257         R_386_TLS_GOTDESC.
4258         (Target_i386::Scan::global): Likewise.
4259         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4260         using TLSDESC GOT.
4261         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4262         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4263         (Target_x86_64::got_tlsdesc_section): New function.
4264         (Target_x86_64::got_section): Create space for GOT entries for
4265         TLSDESC relocations.
4266         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4267         R_386_TLS_GOTDESC.
4268         (Target_x86_64::Scan::global): Likewise.
4269         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4270         using TLSDESC GOT.
4271
4272 2010-08-02  Ian Lance Taylor  <iant@google.com>
4273
4274         * testsuite/final_layout.sh: Use dc to convert from hex to
4275         decimal.
4276
4277 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4278
4279         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4280         paramter to the call to gold::gc_process_relocs.
4281         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4282         paramter to the call to gold::gc_process_relocs.
4283         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4284         parameter to the call to gold::gc_process_relocs.
4285         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4286         template parameter to the call to gold::gc_process_relocs.
4287         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4288         paramter to the call to gold::gc_process_relocs.
4289         * gc.h (get_embedded_addend_size): New function.
4290         (gc_process_relocs): Save the size of the reloc for use by ICF.
4291         * icf.cc (get_section_contents): Get the addend from the text section
4292         for SHT_REL relocation sections.
4293         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4294         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4295         * int_encoding.h (read_from_pointer): New overloaded function.
4296         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4297         * testsuite/icf_sht_rel_addend_test.sh: New file.
4298         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4299         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4300
4301 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4302
4303         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4304         * Makefile.in: Regenerate.
4305         * testsuite/Makefile.in: Regenerate.
4306
4307 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4308
4309         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4310         * gold/testsuite/debug_msg.cc: Likewise.
4311         * gold/testsuite/odr_violation1.cc
4312         * gold/testsuite/odr_violation2.cc
4313
4314 2010-07-21  Cary Coutant  <ccoutant@google.com>
4315
4316         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4317         string, and length fields.
4318         (Output_merge_string::Merged_strings_list): New type.
4319         (Output_merge_string::Merged_strings_lists): New typedef.
4320         (Output_merge_string): Replace merged_strings_ with
4321         merged_strings_lists_.
4322         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4323         Merged_strings_list per input object and section.  Don't store pointer
4324         to the string.  Don't store length with each merged string entry.
4325         (Output_merge_string::finalize_merged_data): Loop over list of merged
4326         strings lists.  Recompute length of each merged string.
4327
4328 2010-07-15  Cary Coutant  <ccoutant@google.com>
4329
4330         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4331         here.
4332
4333 2010-07-14  Ian Lance Taylor  <iant@google.com>
4334
4335         * descriptors.cc (Descriptors::open): Report correct name in error
4336         message.
4337
4338 2010-07-13  Doug Kwan  <dougkwan@google.com>
4339
4340         * arm.cc (Arm_input_section::Arm_input_section): For a
4341         SHT_ARM_EXIDX section, always keeps the input sections.
4342         (Arm_input_section::set_exidx_section_link): New method.
4343         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4344         has_errors_ to false.
4345         (Arm_exidx_input_section::has_errors,
4346         Arm_exidx_input_section::set_has_errors): New methods.
4347         (Arm_exidx_input_section::has_errors_): New data member.
4348         (Arm_relobj::get_exidx_shndx_list): New method.
4349         (Arm_output_section::append_text_sections_to_list): Do not skip
4350         section without SHF_EXECINSTR.
4351         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4352         errors.
4353         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4354         section header.  Make error messages more verbose.  Check for
4355         a non-executable section linked to an EXIDX section.
4356         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4357         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4358         check that there is no deferred EXIDX section if we exit early.
4359         Instead of not making an EXIDX section in case of an error, make one
4360         and set the has_errors flag of it.
4361         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4362         in a relocatable link.
4363         (Target_arm::do_relax): Look for the EXIDX output section instead of
4364         assuming that it is called .ARM.exidx.
4365         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4366         section list.  Do not check for SHF_EXECINSTR section flags but
4367         skip any input section with errors.
4368         * output.cc (Output_section::Output_section): Initialize
4369         always_keeps_input_sections_ to false.
4370         (Output_section::add_input_section): Check for
4371         always_keeps_input_sections_.
4372         *  output.h (Output_section::always_keeps_input_sections,
4373         Output_section::set_always_keeps_input_sections): New methods.
4374         (Output_section::always_keeps_input_sections): New data member.
4375
4376 2010-07-13  Rafael Espindola  <espindola@google.com>
4377
4378         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4379         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4380
4381 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4382             Ian Lance Taylor  <iant@google.com>
4383
4384         * output.h (Output_section_lookup_maps::add_merge_section):
4385         Correct check of whether value was inserted.
4386         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4387         (Output_section_lookup_maps::add_relaxed_input_section):
4388         Likewise.
4389         * arm.cc (Target_arm::got_section): Remove used local os.
4390         * i386.cc (Target_i386::got_section): Likewise.
4391         * x86_64.cc (Target_x86_64::got_section): Likewise.
4392         * sparc.cc (Target_sparc::got_section): Likewise.
4393         (Target_sparc::relocate): Remove unused local have_got_offset.
4394         * powerpc.cc (Target_powerpc::relocate): Likewise.
4395
4396 2010-07-13  Ian Lance Taylor  <iant@google.com>
4397
4398         * compressed_output.cc (zlib_decompress): Fix signature in
4399         !HAVE_ZLIB_H case.
4400
4401         * archive.cc (Archive::include_member): Unlock an external member
4402         of a thin archive.  Don't bother to delete an object we know is
4403         NULL.
4404
4405 2010-07-12  Cary Coutant  <ccoutant@google.com>
4406
4407         * compressed_output.cc (zlib_decompress): New function.
4408         (get_uncompressed_size): New function.
4409         (decompress_input_section): New function.
4410         * compressed_output.h (get_uncompressed_size): New function.
4411         (decompress_input_section): New function.
4412         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4413         Handle compressed debug sections.
4414         * layout.cc (is_compressed_debug_section): New function.
4415         (Layout::output_section_name): Map compressed section names to
4416         canonical names.
4417         * layout.h (is_compressed_debug_section): New function.
4418         (is_debug_info_section): Recognize compressed debug sections.
4419         * merge.cc: Include compressed_output.h.
4420         (Output_merge_data::do_add_input_section): Handle compressed
4421         debug sections.
4422         (Output_merge_string::do_add_input_section): Handle compressed
4423         debug sections.
4424         * object.cc: Include compressed_output.h.
4425         (Sized_relobj::Sized_relobj): Initialize new data members.
4426         (build_compressed_section_map): New function.
4427         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4428         * object.h (Object::section_is_compressed): New method.
4429         (Object::do_section_is_compressed): New method.
4430         (Sized_relobj::Compressed_section_map): New type.
4431         (Sized_relobj::do_section_is_compressed): New method.
4432         (Sized_relobj::compressed_sections_): New data member.
4433         * output.cc (Output_section::add_input_section): Handle compressed
4434         debug sections.
4435         * reloc.cc: Include compressed_output.h.
4436         (Sized_relobj::write_sections): Handle compressed debug sections.
4437
4438 2010-07-08  Cary Coutant  <ccoutant@google.com>
4439
4440         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4441         weak when resolving to a dynamic def.
4442         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4443         for weak undef/dynamic def cases. Adjust callers.
4444         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4445         undef_binding_weak_.
4446         (Symbol_table::sized_write_globals): Adjust symbol binding.
4447         (Symbol_table::sized_write_symbol): Add binding parameter.
4448         * symtab.h (Symbol::set_undef_binding): New method.
4449         (Symbol::is_undef_binding_weak): New method.
4450         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4451         (Symbol_table::should_override): Add new parameter.
4452         (Symbol_table::sized_write_symbol): Add new parameter.
4453
4454         * testsuite/weak_undef_file1.cc: Add new test case.
4455         * testsuite/weak_undef_file2.cc: Fix header comment.
4456         * testsuite/weak_undef_test.cc: Add new test case.
4457
4458 2010-06-29  Doug Kwan  <dougkwan@google.com>
4459
4460         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4461         Initialize USE_SYMBOL_.
4462         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4463         definition.
4464         (Arm_reloc_property::uses_symbol_): New data member declaration.
4465         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4466         uses symbol value and symbol is undefined but not weakly undefined.
4467
4468 2010-06-28  Rafael Espindola  <espindola@google.com>
4469
4470         * plugin.cc (Plugin::load): Use dlerror.
4471
4472 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4473
4474         * symtab.cc (detect_odr_violations): When reporting an ODR
4475         violation, report an object where the symbol is defined.
4476
4477 2010-06-25  Doug Kwan  <dougkwan@google.com>
4478
4479         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4480         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4481         definition.
4482         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4483         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4484         target hook to detect function points.
4485         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4486         * icf.h (Icf::check_section_for_function_pointers): Change type of
4487         parameter SECTION_NAME to const reference to std::string.  Use
4488         target hook to determine if section may have unsafe pointers.
4489         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4490         method definition.
4491
4492 2010-06-21  Rafael Espindola  <espindola@google.com>
4493
4494         * fileread.cc (Input_file::find_fie): New
4495         (Input_file::open): Use Input_file::find_fie.
4496         * fileread.h (Input_file::find_fie): New
4497         * plugin.cc (set_extra_library_path): New.
4498         (Plugin::load): Add set_extra_library_path to the transfer vector.
4499         (Plugin_manager::set_extra_library_path): New.
4500         (Plugin_manager::add_input_file): Use the extra search path if set.
4501         (set_extra_library_path(): New.
4502         * plugin.h (Plugin_manager): Add set_extra_library_path and
4503         extra_search_path_.
4504
4505 2010-06-19  Cary Coutant  <ccoutant@google.com>
4506
4507         * layout.cc (gdb_sections): Add .debug_types.
4508         (lines_only_debug_sections): Likewise.
4509
4510 2010-06-18  Rafael Espindola  <espindola@google.com>
4511
4512         * plugin.cc (add_input_file,add_input_library)
4513         (Plugin_manager::add_input_file): Make filename arguments const.
4514         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4515         const.
4516
4517 2010-06-16  Doug Kwan  <dougkwan@google.com>
4518
4519         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4520         .ARM.attributes section if we have not merged any input
4521         attributes sections.
4522
4523 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4524
4525         * arm.cc: Allow combining objects with no EABI version
4526         information.
4527
4528 2010-06-15  Rafael Espindola  <espindola@google.com>
4529
4530         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4531
4532 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4533
4534         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4535         (struct iovec): Correct !HAVE_READV definition.
4536
4537 2010-06-10  Cary Coutant  <ccoutant@google.com>
4538
4539         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4540         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4541         reloc sections.
4542         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4543
4544         PR 11683
4545         * symtab.h (Symbol::is_placeholder): New member function.
4546         * target-reloc.h (relocate_section): Check for placeholder symbols.
4547
4548         * testsuite/Makefile.am (plugin_test_8): New test.
4549         (plugin_test_9): New test.
4550         * testsuite/Makefile.in: Regenerate.
4551
4552 2010-06-09  Nick Clifton  <nickc@redhat.com>
4553
4554         * yyscript.y (input_list_element): Allow strings prefixed with
4555         the '-' character.  Treat these as libraries.
4556         * script.cc (script_add_library): New function.  Adds a library
4557         specified by "-l<name>" found in an input script.
4558         * script-c.h: Add prototype for script_add_library.
4559
4560 2010-06-07  Doug Kwan  <dougkwan@google.com>
4561
4562         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4563         Restrict stub-group size to be within long conditional branch
4564         range when working around cortex-A8 erratum.
4565
4566 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4567
4568         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4569         #ifdef typo.
4570
4571 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4572
4573         PR gold/11658
4574         * output.cc
4575         (Output_section::Input_section_sort_entry::compare_section_ordering):
4576         Change to return non-zero correctly.
4577         (Output_section::Input_section_sort_section_order_index_compare
4578         ::operator()): Change to fix ambiguity in comparisons.
4579
4580 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4581
4582         * gold.h (is_wildcard_string): New function.
4583         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4584         (Layout::layout_eh_frame): Ditto.
4585         (Layout::find_section_order_index): New method.
4586         (Layout::read_layout_from_file): New method.
4587         * layout.h (Layout::find_section_order_index): New method.
4588         (Layout::read_layout_from_file): New method.
4589         (Layout::input_section_position_): New private member.
4590         (Layout::input_section_glob_): New private member.
4591         * main.cc (main): Call read_layout_from_file here.
4592         * options.h (--section-ordering-file): New option.
4593         * output.cc (Output_section::input_section_order_specified_): New
4594         member.
4595         (Output_section::Output_section): Initialize new member.
4596         (Output_section::add_input_section): Add new parameter.
4597         Keep input sections when --section-ordering-file is used.
4598         (Output_section::set_final_data_size): Sort input sections when
4599         section ordering file is specified.
4600         (Output_section::Input_section_sort_entry): Add new parameter.
4601         Check sorting type.
4602         (Output_section::Input_section_sort_entry::compare_section_ordering):
4603         New method.
4604         (Output_section::Input_section_sort_compare::operator()): Change to
4605         consider section_order_index.
4606         (Output_section::Input_section_sort_init_fini_compare::operator()):
4607         Change to consider section_order_index.
4608         (Output_section::Input_section_sort_section_order_index_compare
4609         ::operator()): New method.
4610         (Output_section::sort_attached_input_sections): Change to sort
4611         according to section order when specified.
4612         (Output_section::add_input_section<32, true>): Add new parameter.
4613         (Output_section::add_input_section<64, true>): Add new parameter.
4614         (Output_section::add_input_section<32, false>): Add new parameter.
4615         (Output_section::add_input_section<64, false>): Add new parameter.
4616         * output.h (Output_section::add_input_section): Add new parameter.
4617         (Output_section::input_section_order_specified): New
4618         method.
4619         (Output_section::set_input_section_order_specified): New method.
4620         (Input_section::Input_section): Initialize section_order_index_.
4621         (Input_section::section_order_index): New method.
4622         (Input_section::set_section_order_index): New method.
4623         (Input_section::section_order_index_): New member.
4624         (Input_section::Input_section_sort_section_order_index_compare): New
4625         struct.
4626         (Output_section::input_section_order_specified_): New member.
4627         * script-sections.cc (is_wildcard_string): Delete and move modified
4628         method to gold.h.
4629         (Output_section_element_input::Output_section_element_input): Modify
4630         call to is_wildcard_string.
4631         (Output_section_element_input::Input_section_pattern
4632         ::Input_section_pattern): Ditto.
4633         (Output_section_element_input::Output_section_element_input): Ditto.
4634         * testsuite/Makefile.am (final_layout): New test case.
4635         * testsuite/Makefile.in: Regenerate.
4636         * testsuite/final_layout.cc: New file.
4637         * testsuite/final_layout.sh: New file.
4638
4639 2010-06-01  Rafael Espindola  <espindola@google.com>
4640
4641         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4642
4643 2010-06-01  Rafael Espindola  <espindola@google.com>
4644
4645         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4646         visibility of symbols.
4647
4648 2010-05-27  Doug Kwan  <dougkwan@google.com>
4649
4650         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4651         from start of output section instead of address for a local symbol
4652         in a merged or relaxed section when doing a relocatable link.
4653
4654 2010-05-26  Rafael Espindola  <espindola@google.com>
4655
4656        PR 11604
4657         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4658         adding sections the garbage collector removed.
4659         * gold/testsuite/Makefile.am: Add test.
4660         * gold/testsuite/Makefile.in: Regenerate.
4661         * gold/testsuite/plugin_test_7.sh: New.
4662         * gold/testsuite/plugin_test_7_1.c: New.
4663         * gold/testsuite/plugin_test_7_2.c: New.
4664
4665 2010-05-26  Rafael Espindola  <espindola@google.com>
4666
4667         * script-sections.cc (Output_section_definition::set_section_addresses):
4668         Check for --section-start.
4669
4670 2010-05-26  Doug Kwan  <dougkwan@google.com>
4671
4672         * arm.cc (Arm_scan_relocatable_relocs): New class.
4673         (Target_arm::relocate_special_relocatable): New method.
4674         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4675         (Arm_relocate_functions::thumb_branch_common): Same.
4676         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4677         instead of Default_scan_relocatable_relocs.
4678         * target-reloc.h (relocate_for_relocatable): Let target handle
4679         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4680         * target.h (Sized_target::relocate_special_relocatable): New method.
4681
4682 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4683
4684         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4685
4686 2010-05-23  Doug Kwan  <dougkwan@google.com>
4687
4688         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4689         instead of a cast.
4690         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4691         with a direct branch, not a conditional branch, to a stub.
4692         * merge.cc (Output_merge_base::record_input_section): New method
4693         defintion.
4694         (Output_merge_data::do_add_input_section): Record input section if
4695         keeps-input-sections flag is set.
4696         (Output_merge_string::do_add_input_section): Ditto.
4697         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4698         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4699         INPUT_SECTIONS_.
4700         (Output_merge_base::keeps_input_sections,
4701         Output_merge_base::set_keeps_input_sections,
4702         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4703         method definitions.
4704         (Output_merge_base::Input_sections): New type declaration.
4705         (Output_merge_base::input_sections_begin,
4706         Output_merge_base::input_sections_end,
4707         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4708         (Output_merge_base::bool keeps_input_sections_,
4709         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4710         Output_merge_base::input_sections_): New data members.
4711         (Output_merge_data::do_set_keeps_input_sections): New method
4712         defintion.
4713         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4714         * output.cc (Output_section::Input_section::relobj): Move method
4715         defintion from class declaration to here and handle merge sections.
4716         (Output_section::Input_section::shndx): Ditto.
4717         (Output_section::Output_section): Remove initializations of removed
4718         data members and initialize new data member LOOKUP_MAPS_.
4719         (Output_section::add_input_section): Set keeps-input-sections flag
4720         for a newly created merge output section as appropriate.  Adjust code
4721         to use Output_section_lookup_maps class.
4722         (Output_section::add_relaxed_input_section): Adjst code for lookup
4723         maps code refactoring.
4724         (Output_section::add_merge_input_section): Add a new parameter
4725         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4726         class.  If adding input section to a newly created merge output
4727         section fails, remove the new merge section.
4728         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4729         Adjust code for use of the Output_section_lookup_maps class.
4730         (Output_section::find_merge_section): Ditto.
4731         (Output_section::build_lookup_maps): New method defintion.
4732         (Output_section::find_relaxed_input_section): Adjust code to use
4733         Output_section_lookup_maps class.
4734         (Output_section::get_input_sections): Export merge sections.  Adjust
4735         code to use Output_section_lookup_maps class.
4736         (Output_section:::add_script_input_section): Adjust code to use
4737         Output_section_lookup_maps class.  Update lookup maps for merge
4738         sections also.
4739         (Output_section::discard_states): Use Output_section_lookup_maps.
4740         (Output_section::restore_states): Same.
4741         * output.h (Merge_section_properties): Move class defintion out of
4742         Output_section.
4743         (Output_section_lookup_maps): New class.
4744         (Output_section::Input_section::is_merge_section): New method
4745         defintion.
4746         (Output_section::Input_section::relobj): Move defintion out of class
4747         defintion.  Declare method only.
4748         (Output_section::Input_section::shndx): Ditto.
4749         (Output_section::Input_section::output_merge_base): New method defintion.
4750         (Output_section::Input_section::u2_.pomb): New union field.
4751         (Output_section::Merge_section_by_properties_map,
4752         Output_section::Output_section_data_by_input_section_map,
4753         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4754         Remove types.
4755         (Output_section::add_merge_input_section): Add new parameter
4756         KEEPS_INPUT_SECTIONS.
4757         (Output_section::build_lookup_maps): New method declaration.
4758         (Output_section::merge_section_map_,
4759         Output_section::merge_section_by_properties_map_,
4760         Output_section::relaxed_input_section_map_,
4761         Output_section::is_relaxed_input_section_map_valid_): Remove data
4762         members.
4763         (Output_section::lookup_maps_): New data member.
4764
4765 2010-05-21  Doug Kwan  <dougkwan@google.com>
4766
4767         PR gold/11619
4768         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4769         avoid a compilation error.
4770
4771 2010-05-19  Rafael Espindola  <espindola@google.com>
4772
4773         * script-sections.cc (Output_section_definition::allocate_to_segment):
4774         Update the phdrs_list even when the output section is NULL.
4775         * testsuite/Makefile.am: Add test.
4776         * testsuite/Makefile.in: Regenerate.
4777         * testsuite/script_test_9.cc: New.
4778         * testsuite/script_test_9.sh: New.
4779         * testsuite/script_test_9.t: New.
4780
4781 2010-05-19  Doug Kwan  <dougkwan@google.com>
4782
4783         * arm.cc (Arm_input_section::original_size): New method.
4784         (Arm_input_section::do_addralign): Add a cast.
4785         (Arm_input_section::do_output_offset): Remove static cast.
4786         (Arm_input_section::original_addralign,
4787          Arm_input_section::original_size_): Change type to uint32_t.
4788         (Arm_input_section::init): Add safe casts for section alignment
4789         and size.
4790         (Arm_input_section::set_final_data_size): Do not set address and
4791         offset of stub table.
4792         (Arm_output_section::fix_exidx_coverage): Change use of of
4793         Output_section::Simple_input_section to that of
4794         Output_section::Input_section.
4795         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4796         except for the first pass.
4797         * output.cc (Output_section::get_input_sections): Change type of
4798         input_sections to std::list<Input_section>.
4799         (Output_section::add_script_input_section): Rename from
4800         Output_section::add_simple_input_section.  Change type of SIS
4801         parameter from Simple_input_section to Input_section.
4802         * output.h (Output_section::Simple_input_section): Remove class.
4803         (Output_section::Input_section): Change class visibility to public.
4804         (Output_section::Input_section::addralign): Use stored alignments
4805         for special input sections if set.
4806         (Output_section::Input_section::set_addralign): New method.
4807         (Output_section::get_input_sections): Change parameter type from
4808         list of Simple_input_section to list of Input_section.
4809         (Output_section::add_script_input_section): Rename from
4810         Output_section::add_simple_input_section. Change first parameter's
4811         type from Simple_input_section to Input_section and remove the
4812         second and third parameters.
4813         * script-sections.cc (Input_section::Input_section_list): Change
4814         type to list of Output_section::Input_section/
4815         (Input_section_info::Input_section_info): Change parameter type of
4816         INPUT_SECTION to Output_section::Input_section.
4817         (Input_section_info::input_section): Change return type.
4818         (Input_section_info::input_section_): Change type to
4819         Output_section::Input_section.
4820         (Output_section_element_input::set_section_addresses): Adjust code
4821         to use Output_section::Input_section instead of
4822         Output_section::Simple_input_section.  Adjust code for renaming
4823         of Output_section::add_simple_input_section.
4824         (Orphan_output_section::set_section_addresses): Ditto.
4825
4826 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4827
4828         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4829         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4830
4831 2010-05-18  Rafael Espindola  <espindola@google.com>
4832
4833         * options.cc (General_options::finalize): Handle -nostdlib.
4834         * options.h (nostdlib): New option.
4835         * script.cc (script_add_search_dir): Handle -nostdlib.
4836
4837 2010-05-12  Doug Kwan  <dougkwan@google.com>
4838
4839         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4840         attributes section only if there no attributes section after merging.
4841         (Target_arm::merge_object_attributes): Move value of
4842         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4843         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4844         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4845         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4846         and arm_attr_merge_7.stdout.
4847         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4848         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4849         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4850         arm_attr_merge_7b.o): New rules.
4851         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4852         arm_attr_merge_7
4853         * testsuite/Makefile.in: Regenerate.
4854         * testsuite/arm_attr_merge.sh: New file.
4855         * testsuite/arm_attr_merge_[67][ab].s: Same.
4856
4857 2010-05-05  Nick Clifton  <nickc@redhat.com>
4858
4859         * po/es.po: Updated Spanish translation.
4860
4861 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4862
4863         * Makefile.am (install-exec-local): Properly install gold as
4864         default cross linker.
4865         * Makefile.in: Regenerated.
4866
4867 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4868             Nick Clifton  <nickc@redhat.com>
4869
4870         * configure.ac (install_as_default): Define and set to false
4871         unless --enable-gold or --enable-gold=both/gold has been
4872         specified.
4873         * configure: Regenerate.
4874
4875         * Makefile.am (install-exec-local): Install the executable as
4876         'ld.gold'.  If install_as_default is true then also install it as
4877         'ld'.
4878         * Makefile.in: Regenerated.
4879
4880 2010-04-24  Ian Lance Taylor  <iant@google.com>
4881
4882         * layout.cc (Layout::layout_reloc): In relocatable link don't
4883         combine reloc sections for grouped sections.
4884
4885 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4886
4887         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4888         sections that are not ordinary to icf.
4889         * icf.cc (get_section_contents): Handle relocation pointing to section
4890         with no object or shndx information.
4891         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4892         * testsuite/Makefile.in: Regenerate.
4893         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4894         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4895
4896 2010-04-22  Ian Lance Taylor  <iant@google.com>
4897
4898         * expression.cc (Expression::Expression_eval_info): Add
4899         result_alignment_pointer field.
4900         (Expression::eval_with_dot): Add result_alignment_pointer
4901         parameter.  Change all callers.
4902         (Expression::eval_maybe_dot): Likewise.
4903         (class Binary_expression): Add alignment_pointer parameter to
4904         left_value and right_value.  Change all callers.
4905         (BINARY_EXPRESSION): Set result alignment.
4906         (class Trinary_expression): Add alignment_pointer parameter to
4907         arg2_value and arg3_value.  Change all callers.
4908         (Trinary_cond::value): Set result alignment.
4909         (Max_expression::value, Min_expression::value): Likewise.
4910         (Align_expression::value): Likewise.
4911         * script-sections.cc (class Sections_element): Add dot_alignment
4912         parameter to set_section_addresses virtual function.  Update
4913         instantiations.
4914         (class Output_section_element): Likewise.
4915         (Script_sections::create_segments): Add dot_alignment parameter.
4916         Change all callers.
4917         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4918         (Script_sections::set_phdrs_clause_addresses): Likewise.
4919         * script-sections.h: Update declarations.
4920         * script.h: Update declarations.
4921         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4922         min_p_align.
4923         * testsuite/script_test_3.t: Set large alignment.
4924         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4925         segment has expected alignment.
4926
4927 2010-04-22  Nick Clifton  <nickc@redhat.com>
4928
4929         * po/gold.pot: Updated by the Translation project.
4930         * po/vi.po: Updated Vietnamese translation.
4931
4932 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4933
4934         * testsuite/Makefile.am (check_PROGRAMS): Add
4935         icf_virtual_function_folding_test.
4936         * testsuite/Makefile.in: Regenerated.
4937
4938 2010-04-15  Andrew Haley  <aph@redhat.com>
4939
4940         * options.h (merge_exidx_entries): New option.
4941         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4942         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4943         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4944         (Target_arm::merge_exidx_entries): New function.
4945         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4946         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4947         to Arm_exidx_fixup constructor.
4948         Add new arg, merge_exidx_entries.
4949         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4950         Arm_output_section::fix_exidx_coverage.
4951
4952 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4953
4954         * icf.cc (get_section_contents): Check for preemptible functions.
4955         Ignore addend when appropriate.
4956         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4957         section folded.
4958         (add_from_relobj): Check for section folded.
4959         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4960         * symtab.h (should_add_dynsym_entry): Add new parameter.
4961         * target-reloc.h (scan_relocs): Check for section folded.
4962         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4963         Check reloc types for function pointers in shared objects.
4964         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4965         case.
4966         (icf_preemptible_functions_test): New test case.
4967         (icf_string_merge_test): New test case.
4968         * testsuite.Makefile.in: Regenerate.
4969         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4970         bar_glob.  Refactor code.
4971         * testsuite/icf_preemptible_functions_test.cc: New file.
4972         * testsuite/icf_preemptible_functions_test.sh: New file.
4973         * testsuite/icf_string_merge_test.cc: New file.
4974         * testsuite/icf_string_merge_test.sh: New file.
4975         * testsuite/icf_virtual_function_folding_test.cc: New file.
4976         * testsuite/icf_virtual_function_folding_test.sh: New file.
4977
4978 2010-04-14  Doug Kwan  <dougkwan@google.com>
4979
4980         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4981         for local symbol recounting if we remove a section due to ICF.
4982         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4983         there are no regular objects in input.
4984
4985 2010-04-13  Doug Kwan  <dougkwan@google.com>
4986
4987         * arm.cc (Arm_input_section::set_final_data_size): Compute
4988         accurate final data size instead of using current data size.
4989
4990 2010-04-09  Doug Kwan  <dougkwan@google.com>
4991
4992         * layout.cc (Layout::choose_output_section): Handle script section
4993         types.
4994         (Layout::make_output_section_for_script): Add section type parameter.
4995         Handle script section types.
4996         * layout.h (Layout::make_output_section_for_script): Add section
4997         type parameter.
4998         * output.cc (Output_section::Output_section): Initialize data member
4999         is_noload_.
5000         (Output_section::do_reset_address_and_file_offset): Do not set address
5001         to 0 if section is a NOLOAD section.
5002         * output.h (Output_section::is_noload): New method.
5003         (Output_section::set_is_noload): Ditto.
5004         (Output_section::is_noload_): New data member.
5005         * script-c.h (Script_section_type): New enum type.
5006         (struct Parser_output_section_header): Add new file section_type.
5007         * script-sections.cc (Sections_element::output_section_name): Add
5008         parameter for returning script section type.
5009         (Output_section_definition::output_section_name): Ditto.
5010         (Output_section_definition::section_type)P; New method.
5011         (Output_section_definiton::script_section_type_name): Ditto.
5012         (Output_section_definition::script_section_type_): New data member.
5013         (Output_section_definition::Output_section_definition): Initialize
5014         data member Output_section_definition::script_section_type_.
5015         (Output_section_definition::create_sections): Pass script section type
5016         to Layout::make_output_section_for_script.
5017         (Output_section_definition::output_section_name): Return script
5018         section type to caller.
5019         (Output_section_definition::set_section_address): Do not advance
5020         dot value and load address if section type is NOLOAD.  Set address
5021         of NOLOAD sections regardless of section flags.
5022         (Output_section_definition::print): Print section type if it is
5023         not SCRIPT_SECTION_TYPE_NONE.
5024         (Output_section_definition::section_type): New method.
5025         (Output_section_definition::script_section_type_name): Ditto.
5026         (Script_sections::output_section_name): Add new parameter
5027         PSECTION_TYPE for returning script section type.  Pass it to
5028         section elements.  Handle discard sections.
5029         (Sort_output_sections::operator()): Handle NOLOAD sections.
5030         * script-sections.h (Script_sections::Section_type): New enum type.
5031         (Script_sections::output_section_name): Add a new parameter for
5032         returning script section type.
5033         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5034         INFO and NOLOAD.
5035         * yyscript.y (union): Add new field SECTION_TYPE.
5036         (COPY, DSECT, INFO, NOLOAD): New tokens.
5037         (opt_address_and_section_type): Change type to output_section_header.
5038         (section_type): New non-terminal
5039         (section_header): Handle section type.
5040         (opt_address_and_section_type): Return section type value.
5041
5042 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5043
5044         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5045         * testsuite/plugin_common_test_2.c (foo): Likewise.
5046
5047 2010-04-08  Doug Kwan  <dougkwan@google.com>
5048
5049         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5050         Output_merge_data.
5051         * output.cc (Output_section::add_merge_input_section): Simplify
5052         code and return status of Output_merge_base::add_input_section.
5053         Update merge section map only if Output_merge_base::add_input_section
5054         returns true.
5055
5056 2010-04-07  Doug Kwan  <dougkwan@google.com>
5057
5058         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5059         if section is marked as containing instructions but has no mapping
5060         symbols.
5061         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5062         correct section index.
5063         (Arm_relobj::find_linked_text_section): Ditto.
5064
5065 2010-04-07  Cary Coutant  <ccoutant@google.com>
5066
5067         * archive.cc (include_member): Destroy Read_symbols_data object before
5068         releasing file.
5069         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5070         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5071         (Read_symbols_data::~Read_symbols_data) New destructor.
5072         (Section_relocs::Section_relocs) New constructor.
5073         (Section_relocs::~Section_relocs) New destructor.
5074         (Read_relocs_data::Read_relocs_data) New constructor.
5075         (Read_relocs_data::~Read_relocs_data) New destructor.
5076         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5077         pointers to NULL after deleting.
5078
5079 2010-04-07  Doug Kwan  <dougkwan@google.com>
5080
5081         * arm.cc: Replace "endianity" with "endianness" in comments.
5082         (Arm_exidx_cantunwind): Ditto.
5083         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5084         (Arm_relobj::merge_flags_and_attributes): New method.
5085         (Arm_relobj::merge_flags_and_attributes_): New data member.
5086         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5087         (Arm_relobj::scan_sections_for_stubs): Ditto.
5088         (Arm_relobj::do_read_symbols): Check to see if we really want to
5089         merge processor-specific flags and attributes.  Exit early if
5090         an object is empty except for section names and the undefined symbol.
5091         (Target_arm::do_finalize_sections): Move check for ELF format to
5092         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5093         attributes from a regular object only when we have determined that
5094         it is aapropriate.  Do not create an .ARM.attributes section in
5095         output if there is no regular input object.
5096         (Target_arm::merge_processor_specific_flags): Check
5097         --warn-mismatch before printing any error.
5098         (Target_arm::merge_object_attributes): Ditto.
5099         * gold.cc (queue_middle_tasks): Handle the case in which there is
5100         no regular object in input.
5101         * options.cc (General_options::parse_EB): New method.
5102         (General_options::parse_EL): Same.
5103         (General_options::General_options): Initialize endianness_.
5104         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5105         New options.
5106         (General_options::Endianness): New enum.
5107         (General_options::endianness): New method.
5108         (General_options::endianness_): New data member.
5109         * parameters.cc (Parameters::set_options): Check target endianness.
5110         (Parameters::set_target_once): Ditto.
5111         (Parameters::check_target_endianness): New method.
5112         (parameters_force_valid_target): If either -EL or -EB is specified,
5113         use it to define endianness of default target.
5114         * parameters.h (Parameters::check_target_endianness): New method
5115         declaration.
5116         * target.h (class Target): Change "endianity" to "endianness"
5117         in comments.
5118
5119 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5120
5121         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5122         * configure: Regenerate.
5123         * Makefile.in: Regenerate.
5124         * testsuite/Makefile.in: Regenerate.
5125
5126 2010-04-06  Cary Coutant  <ccoutant@google.com>
5127
5128         gcc PR lto/42757
5129         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5130         prevailing definitions of common symbols.
5131         * testsuite/plugin_test_6.sh: New test case.
5132         * testsuite/plugin_common_test_1.c: New test case.
5133         * testsuite/plugin_common_test_2.c: New test case.
5134         * testsuite/Makefile.am (plugin_test_6): New test case.
5135         * testsuite/Makefile.in: Regenerate.
5136
5137 2010-04-06  Nick Clifton  <nickc@redhat.com>
5138
5139         * po/vi.po: New Vietnamese translation.
5140
5141 2010-03-30  Doug Kwan  <dougkwan@google.com>
5142
5143         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5144
5145 2010-03-25  Doug Kwan  <dougkwan@google.com>
5146
5147         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5148         to avoid a conversion warning on a 32-bit host.
5149
5150 2010-03-24  Ian Lance Taylor  <iant@google.com>
5151
5152         * testsuite/script_test_3.t: Add a TLS segment.
5153         * testsuite/Makefile.am (check_PROGRAMS): Add
5154         tls_phdrs_script_test.
5155         (tls_phdrs_script_test_SOURCES): Define.
5156         (tls_phdrs_script_test_DEPENDENCIES): Define.
5157         (tls_phdrs_script_test_LDFLAGS): Define.
5158         (tls_phdrs_script_test_LDADD): Define.
5159         * testsuite/Makefile.in: Rebuild.
5160
5161 2010-03-23  Cary Coutant  <ccoutant@google.com>
5162
5163         * fileread.cc (find_or_make_view): Fix comment.
5164
5165 2010-03-23  Ian Lance Taylor  <iant@google.com>
5166
5167         * script-sections.cc (class Orphan_section_placement): Define
5168         PLACE_TLS and PLACE_TLS_BSS.
5169         (Orphan_section_placement::Orphan_section_placement): Initialize
5170         new places.
5171         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5172         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5173         (tls_script_test_SOURCES): Define.
5174         (tls_script_test_DEPENDENCIES): Define.
5175         (tls_script_test_LDFLAGS): Define.
5176         (tls_script_test_LDADD): Define.
5177         * testsuite/Makefile.in: Rebuild.
5178
5179 2010-03-22  Doug Kwan  <dougkwan@google.com>
5180
5181         * arm.cc (Arm_relocate_functions::abs8,
5182         Arm_relocate_functions::abs16): Use correct check for overflow
5183         specified in the ARM ELF specs.
5184         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5185         target of a BLX instruction specially.
5186         (Reloc_stub::stub_type_for_reloc): Ditto.
5187         (Relocate::relocate): Use symbolic names instead of numeric relocation
5188         codes to report error.
5189         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5190         workaround.
5191         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5192         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5193         thumb2_blx_out_of_range.stdout
5194         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5195         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5196         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5197         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5198         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5199         thumb2_blx_in_range, thumb2_blx_in_range.o,
5200         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5201         thumb2_blx_out_of_range.o): New rules.
5202         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5203         thumb2_blx_in_range and thumb2_blx_out_of_range.
5204         * testsuite/Makefile.in: Regenerate.
5205         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5206         * testsuite/thumb_blx_in_range.s: New file.
5207         * testsuite/thumb_blx_out_of_range.s: New file.
5208
5209 2010-03-22  Rafael Espindola  <espindola@google.com>
5210
5211         * archive.cc (Should_include): Move to archive.h.
5212         (should_include_member): Make it a member of Archive.
5213         (Lib_group): New.
5214         (Add_lib_group_symbols): New.
5215         * archive.h: Include options.h.
5216         (Archive_member): Moved from Archive.
5217         (Should_include): Moved from archive.cc.
5218         (Lib_group): New.
5219         (Add_lib_group_symbols): New.
5220         * dynobj.cc (do_should_include_member): New.
5221         * dynobj.h (do_should_include_member): New.
5222         * gold.cc (queue_initial_tasks): Update call to queue.
5223         * main.cc (main): Print lib group stats.
5224         * object.cc (do_should_include_member): New.
5225         * object.h: Include archive.h.
5226         (Object::should_include_member): New.
5227         (Object::do_should_include_member): New.
5228         (Sized_relobj::do_should_include_member): New.
5229         * options.cc (General_options::parse_start_lib): New.
5230         (General_options::parse_end_lib): New.
5231         (Input_arguments::add_file): Handle lib groups.
5232         (Input_arguments::start_group): Check we are not in a lib.
5233         (Input_arguments::start_lib): New.
5234         (Input_arguments::end_lib): New.
5235         * options.h (General_options): Add start_lib and end_lib.
5236         (Input_argument::lib_): New.
5237         (Input_argument::lib): New.
5238         (Input_argument::is_lib): New.
5239         (Input_file_lib): New.
5240         (Input_arguments::in_lib_): New.
5241         (Input_arguments::in_lib): New.
5242         (Input_arguments::start_lib): New.
5243         (Input_arguments::end_lib_): New.
5244         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5245         in unused members as preempted.
5246         (Sized_pluginobj::do_should_include_member): New.
5247         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5248         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5249         return the blocker.
5250         (Read_symbols::do_whole_lib_group): New.
5251         (Read_symbols::do_lib_group): New.
5252         (Read_symbols::do_read_symbols): Handle lib groups.
5253         (Read_symbols::get_name): Handle lib groups.
5254         * readsyms.h (Read_symbols): Add an archive member pointer.
5255         (Read_symbols::do_whole_lib_group): New.
5256         (Read_symbols::do_lib_group): New.
5257         (Read_symbols::member_): New.
5258         * script.cc (read_input_script): Update call to queue_soon.
5259
5260 2010-03-19  Doug Kwan  <dougkwan@google.com>
5261
5262         * arm.cc (Stub_table::Stub_table): Initialize new data members
5263         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5264         (Stub_table::add_reloc_stub): Assign stub offset and update
5265         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5266         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5267         New data members.
5268         (Stub_table::update_data_size_and_addralign): Use
5269         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5270         instead of going over all reloc stubs.
5271         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5272         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5273         Stringpool_template::offset_ to size of Stringpool_char.
5274         (Stringpool_template::new_key_offset): Remove code to initialize
5275         Stringpool_template::offset_.
5276         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5277         Stringpool_template::offset_ to zero.
5278
5279 2010-03-15  Doug Kwan  <dougkwan@google.com>
5280
5281         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5282         offset_.
5283         (Stringpool_template::new_key_offset): New method.
5284         (Stringpool_template::add_string): Assign offsets when adding new
5285         strings.
5286         (Stringpool_template::set_string_offsets): Do not set string offsets
5287         when not optimizing.
5288         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5289         member size_.
5290         (Chunked_vector::clear): Clear size_.
5291         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5292         (Chunked_vector::size): Return size_.
5293         (Chunked_vector::push_back): Use size_ to find insert position.
5294         (Chunked_vector::size_): New data member.
5295         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5296         (Stringpool_template::new_key_offset): New method declaration.
5297         (Stringpool_template::offset_): New data member.
5298
5299 2010-03-15   Rafael Espindola  <espindola@google.com>
5300
5301         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5302         Add_symbols' constructor.
5303         * readsyms.h (Add_symbols): Remove the input_group member.
5304
5305 2010-03-10  Ian Lance Taylor  <iant@google.com>
5306
5307         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5308         target to ask whether a reference to a symbol requires a stack
5309         split.
5310         * target.h (Target::is_call_to_non_split): New function.
5311         (Target::do_is_call_to_non_split): Declare virtual function.
5312         * target.cc: Include "symtab.h".
5313         (Target::do_is_call_to_non_split): New function.
5314         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5315
5316 2010-03-10  Cary Coutant  <ccoutant@google.com>
5317
5318         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5319         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5320         (File_read::open[2]): Add whole_file_view_ to list of views.
5321         (File_read::make_view): Remove test of whole_file_view_.
5322         (File_read::find_or_make_view): Create whole_file_view_ if
5323         necessary.
5324         (File_read::clear_views): Replace bool parameter with enum;
5325         adjust all callers.  Don't delete views with permanent data;
5326         do delete cached views and views from archives if
5327         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5328         if clearing the corresponding view.
5329         * fileread.h (File_read::Clear_views_mode): New enum.
5330         (File_read::View::is_permanent_view): New method.
5331         (File_read::clear_views): Replace bool parameter
5332         with enum; adjust all callers.
5333         * options.h (General_options): Change keep_files_mapped option;
5334         add map_whole_files.
5335         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5336         releasing the file.
5337         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5338         the file.
5339
5340 2010-03-10  David S. Miller  <davem@davemloft.net>
5341
5342         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5343
5344 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5345
5346         * icf.cc (get_section_contents): Add '@' marker after processing the
5347         merge reloc.
5348
5349 2010-03-08  Doug Kwan  <dougkwan@google.com>
5350
5351         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5352         due to a conversion warning.
5353         (Arm_relobj::update_output_local_symbol_count): Check for local
5354         symbol with unset output index.
5355
5356 2010-03-05  Ian Lance Taylor  <iant@google.com>
5357
5358         * options.h (class General_options): Add --spare-dynamic-tags.
5359         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5360         --spare-dynamic-tags.
5361
5362 2010-03-05  Ian Lance Taylor  <iant@google.com>
5363
5364         * incremental.cc: Include "libiberty.h".
5365
5366 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5367
5368         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5369         function, is_info_ member.
5370         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5371         (Versions::Versions): Update caller.
5372         (Versions::define_base_version): Likewise.
5373         (Versions::add_def): Likewise.
5374
5375 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5376
5377         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5378         (Scan::possible_function_pointer_reloc): New function.
5379         (Scan::local_reloc_may_be_function_pointer): Change to call
5380         possible_function_pointer_reloc.
5381         (Scan::global_reloc_may_be_function_pointer): Ditto.
5382         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5383         relocations in ".data.rel.ro._ZTV" section.
5384         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5385         * testsuite/icf_safe_so_test.cc: Ditto.
5386         * testsuite/icf_safe_test.cc: Ditto.
5387         * testsuite/icf_safe_test.sh: Ditto.
5388
5389 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5390             Ian Lance Taylor  <iant@google.com>
5391
5392         * target-reloc.h (relocate_section): Check the symbol table index
5393         for -1U before setting the local symbol index.
5394         (scan_relocatable_relocs): If copying the relocation, record that
5395         the local symbol is required.
5396         * object.h (Symbol_value::is_output_symtab_index_set): New
5397         function.
5398         (Symbol_value::may_be_discarded_from_output_symtab): New
5399         function.
5400         (Symbol_value::has_output_symtab_entry): New function.
5401         (Symbol_value::needs_output_symtab_entry): Remove.
5402         (Symbol_value::output_symtab_index): Make sure the symbol index is
5403         set.
5404         (Symbol_value::set_output_symtab_index): Make sure the symbol
5405         index is not set.  Make sure the new index is valid.
5406         (Symbol_value::set_must_have_output_symtab_entry): New function.
5407         (Symbol_value::has_output_dynsym_entry): New function.
5408         (Symbol_value::set_output_dynsym_index): Make sure the new index
5409         is valid.
5410         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5411         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5412         local symbol if permitted.
5413         (Sized_relobj::do_finalize_local_symbols): Call
5414         is_output_symtab_index_set rather than needs_output_symtab_entry.
5415         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5416         rather than needs_output_symtab_entry.  Call
5417         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5418         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5419         is_output_symtab_index_set rather than needs_output_symtab_entry.
5420         * testsuite/discard_locals_relocatable_test.c: New file.
5421         * testsuite/discard_locals_test.sh: Test -r.
5422         * testsuite/Makefile.am (check_DATA): Add
5423         discard_locals_relocatable_test1.syms,
5424         discard_local_relocatable_test2.syms.
5425         (MOSTLYCLEANFILES): Likewise.  Also add
5426         discard_locals_relocatable_test1.lout and
5427         discard_locals_relocatable_test2.out.
5428         (discard_locals_relocatable_test1.syms): New target.
5429         (discard_locals_relocatable_test.o): New target.
5430         (discard_locals_relocatable_test1.out): New target.
5431         (discard_locals_relocatable_test2.syms): New target.
5432         (discard_locals_relocatable_test2.out): New target.
5433         (various): Add missing ../ld-new dependencies.
5434         * testsuite/Makefile.in: Rebuild.
5435
5436 2010-03-03  Nick Clifton  <nickc@redhat.com>
5437
5438         * po/fi.po: New Finnish translation.
5439
5440 2010-03-01  Doug Kwan  <dougkwan@google.com>
5441
5442         * layout.cc (Layout::Layout): Force section types of .init_array*,
5443         .preinit_array* and .fini_array* sections.
5444         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5445         Fix check of return value of std::string::find.().
5446         (Output_section::Input_section_sort_compare::operator()): Remove
5447         comment about .init_array.
5448         (Output_section::Input_section_sort_init_fini_compare::operator()):
5449         New method.
5450         (Output_section::sort_attached_input_sections): Handle .init_array
5451         and .fini_array specially.
5452         * output.h (Output_section::Inut_section_sort_compare): Update
5453         comment.
5454         (Output_section::Input_section_sort_init_fini_compare): New struct.
5455
5456 2010-02-26  Doug Kwan  <dougkwan@google.com>
5457
5458         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5459         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5460         * testsuite/debug_msg.sh: Avoid matching source line number for
5461         use of global variable undef_int.
5462
5463 2010-02-26  Doug Kwan  <dougkwan@google.com>
5464
5465         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5466         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5467         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5468         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5469         * options.cc (General_options::General_options): Initialize member
5470         fix_v4bx_.
5471         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5472         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5473         and rm_no_fix_v4bx.stdout
5474         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5475         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5476         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5477         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5478         and arm_no_fix_v4bx.
5479         * Makefile.in: Regenerate.
5480         * testsuite/arm_fix_v4bx.s: New file.
5481         * testsuite/arm_fix_v4bx.sh: Ditto.
5482
5483 2010-02-24  Doug Kwan  <dougkwan@google.com>
5484
5485         * arm.cc (Target_arm::got_section): Make the .got section the first
5486         non RELRO section in the data segment.
5487         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5488         suffixes of section names.
5489
5490 2010-02-24  Doug Kwan  <dougkwan@google.com>
5491
5492         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5493         flags and attributes merging if an input file is a binary file.
5494         * fileread.cc (Input_file::open): Record format of original file.
5495         * fileread.h (Input_file::Format): New enum type.
5496         (Input_file::Input_file): Initialize data member format_.
5497         (Input_file::format): New method definition.
5498         (Input_file::format_):: New data member.
5499
5500 2010-02-24  Doug Kwan  <dougkwan@google.com>
5501
5502         * arm.cc (Arm_output_data_got): New class.
5503         (ARM_TCB_SIZE): New constant
5504         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5505         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5506         If user uses a script with a SECTIONS clause, issue only a warning
5507         for a misplaced EXIDX input section.  Otherwise, issue an error.
5508         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5509         garbage collection.
5510         (Target_arm::got_mode_index_entry): Handle static linking.
5511         (Target_arm::Scan::local): Ditto.
5512         (Target_arm::Scan::global): Ditto.
5513         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5514         all incorrectly implemented relocations.
5515         (Target_arm::fix_exidx_coverage): Pass layout to
5516         Arm_output_section::fix_exidx_coverage.
5517         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5518         from ".ARM.exidx." and ".ARM.extab.".
5519
5520 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5521
5522         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5523         section if it does not already exist.
5524         * attributes.cc (Attributes_section_data::Attributes_section_data):
5525         Don't crash if size is zero.
5526
5527 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5528             Ian Lance Taylor  <iant@google.com>
5529
5530         * gold.cc (queue_middle_tasks): If no input files were opened,
5531         exit.
5532         * workqueue.h (Task_function::Task_function): Assert that there is
5533         a blocker.
5534
5535 2010-02-22  Doug Kwan  <dougkwan@google.com>
5536
5537         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5538         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5539         types to avoid warnings due to different uint64_t implementations
5540         on different hosts.
5541
5542 2010-02-21  Doug Kwan  <dougkwan@google.com>
5543
5544         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5545         handling of the maximum backward branch offset.
5546         (Arm_relocate_functions::thumb_branch_common): Ditto.
5547         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5548         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5549         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5550         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5551         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5552         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5553         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5554         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5555         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5556         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5557         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5558         thumb2_bl_out_of_range.o): New rules.
5559         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5560         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5561         thumb2_bl_out_of_range
5562         * testsuite/Makefile.in: Regenerate.
5563         * testsuite/arm_bl_in_range.s: New file.
5564         * testsuite/arm_bl_out_of_range.s: Ditto.
5565         * testsuite/arm_branch_in_range.sh: Ditto.
5566         * testsuite/arm_branch_range.t: Ditto.
5567         * testsuite/thumb2_branch_range.t: Ditto.
5568         * testsuite/thumb_bl_in_range.s: Ditto.
5569         * testsuite/thumb_bl_out_of_range.s: Ditto.
5570         * testsuite/thumb_branch_range.t: Ditto.
5571
5572 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5573
5574         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5575         Add reloc offset information.
5576         * icf.cc (get_section_contents): Change iterators to point to the new
5577         vectors. Add reloc offset information to the contents.
5578         * icf.h (Icf::Sections_reachable_info): New typedef.
5579         (Icf::Sections_reachable_list): New typedef.
5580         (Icf::Offset_info): New typedef.
5581         (Icf::Reloc_info): New struct typedef.
5582         (Icf::Reloc_info_list): New typedef.
5583         (Icf::symbol_reloc_list): Delete method.
5584         (Icf::addend_reloc_list): Delete method.
5585         (Icf::section_reloc_list): Delete method.
5586         (Icf::reloc_info_list): New method.
5587         (Icf::reloc_info_list_): New member.
5588
5589 2010-02-19  Doug Kwan  <dougkwan@google.com>
5590
5591         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5592         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5593         * arm.cc (Arm_relocation_functions): New forward declaration.
5594         (Target_arm::Target_arm): Initialize new data members
5595         got_mod_index_offset_ and tls_base_symbol_defined_.
5596         (Target_arm::Relocate::relocate_tls): New method.
5597         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5598          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5599         New methods.
5600         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5601         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5602         (Target_arm::got_mod_index_offset_,
5603         Target_arm::tls_base_symbol_defined_): New data members.
5604         (Target_arm::Scan::local, Target::Scan::global,
5605         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5606         relocations.
5607
5608 2010-02-18  Doug Kwan  <dougkwan@google.com>
5609
5610         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5611         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5612         text section as a parameter becuase some broken tools may not set
5613         the link in section header.
5614         (Target_arm::has_got_section): New method.
5615         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5616         without any mapping symbol as data only.  Remove warning.
5617         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5618         link in its section header, try to discover the link by inspecting the
5619         REL31 relocation at the beginning of the section.
5620         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5621         in error message.
5622         (Target_arm::Scan::global): Treat any reference to the symbol
5623         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5624
5625 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5626
5627         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5628         (Scan::global_reloc_may_be_function_pointer): New function.
5629         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5630         (Scan::global_reloc_may_be_function_pointer): New function.
5631         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5632         (Scan::global_reloc_may_be_function_pointer): New function.
5633         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5634         (Scan::global_reloc_may_be_function_pointer): New function.
5635         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5636         (Scan::global_reloc_may_be_function_pointer): New function.
5637         (Scan::possible_function_pointer_reloc): New function.
5638         (Target_x86_64::can_check_for_function_pointers): New function.
5639         * gc.h (gc_process_relocs): Scan relocation types to determine if
5640         function pointers were taken for targets that support it.
5641         * icf.cc (Icf::find_identical_sections): Include functions for
5642         folding in safe ICF whose pointer is not taken.
5643         * icf.h (Secn_fptr_taken_set): New typedef.
5644         (fptr_section_id_): New member.
5645         (section_has_function_pointers): New function.
5646         (set_section_has_function_pointers): New function.
5647         (check_section_for_function_pointers): New function.
5648         * options.h: Fix comment for safe ICF option.
5649         * target.h (can_check_for_function_pointers): New function.
5650         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5651         Modify icf_safe_test for X86-64.
5652         * testsuite/Makefile.in: Regenerate.
5653         * testsuite/icf_safe_so_test.cc: New file.
5654         * testsuite/icf_safe_so_test.sh: New file.
5655         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5656         (main): Change to take pointer to function kept_func_3.
5657         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5658         folding is done correctly for X86-64.
5659
5660 2010-02-12  David S. Miller  <davem@davemloft.net>
5661
5662         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5663         is_symbolless parameter.
5664         (Output_reloc<SHT_REL>::is_symbolless): New.
5665         (Output_reloc<SHT_REL>::is_symbolless_): New.
5666         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5667         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5668         (Output_reloc<SHT_RELA>::is_symbolless): New.
5669         (Output_data_reloc::add_global): Handle is_symbolless.
5670         (Output_data_reloc::add_global_relative): Likewise.
5671         (Output_data_reloc::add_local): Likewise.
5672         (Output_data_reloc::add_local_relative): Likewise.
5673         (Output_data_reloc::add_symbolless_global_addend): New.
5674         (Output_data_reloc::add_symbolless_local_addend): New.
5675         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5676         is_symbolless.
5677         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5678         instead of ->is_relative_
5679         (Output_reloc::write): Likewise.
5680         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5681         (Output_reloc::write_rel): Simplify.
5682
5683         * sparc.cc (Target_sparc::Scan::local): Use
5684         ->add_symbolless_local_addend as needed.
5685         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5686         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5687         based upon relocation offset.
5688
5689 2010-02-11  Doug Kwan  <dougkwan@google.com>
5690
5691         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5692         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5693         beginning of function.
5694         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5695         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5696         parameter is_32bit in calls to should_apply_static_reloc.
5697         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5698         (check_DATA): Add arm_abs_global.stdout.
5699         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5700         arm_abs_global.stdout): New rules.
5701         (MOSTLLYCLEANFILES): Add arm_abs_global
5702         * Makefile.in: Regenerate.
5703         * testsuite/arm_abs_global.s: New file.
5704         * testsuite/arm_abs_global.sh: Ditto.
5705         * testsuite/arm_abs_lib.s: Ditto.
5706
5707 2010-02-11  Ian Lance Taylor  <iant@google.com>
5708
5709         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5710         Read_relocs task.
5711         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5712         Allocate_commons_task first.
5713         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5714         task, rather than symtab_lock_.
5715         (Gc_process_relocs::~Gc_process_relocs): New function.
5716         (Gc_process_relocs::is_runnable): Check this_blocker_.
5717         (Gc_process_relocs::locks): Use next_blocker_ rather than
5718         blocker_.
5719         (Scan_relocs::~Scan_relocs): New function.
5720         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5721         symtab_lock_.
5722         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5723         next_blocker_.
5724         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5725         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5726         constructor accordingly.
5727         (class Gc_process_relocs): Likewise.
5728         (class Scan_relocs): Likewise.
5729         * common.h (class Allocate_commons_task): Remove symtab_lock_
5730         field, and corresponding constructor parameter.
5731         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5732         symtab_lock_.
5733         (Allocate_commons_task::locks): Likewise.
5734
5735 2010-02-11  Ian Lance Taylor  <iant@google.com>
5736
5737         * gold-threads.h (class Once): Define.
5738         (class Initialize_lock): Rewrite as child of Once.
5739         * gold-threads.cc (class Once_initialize): Define.
5740         (once_pointer_control): New static variable.
5741         (once_pointer, once_arg): New static variables.
5742         (c_run_once): New static function.
5743         (Once::Once, Once::run_once, Once::internal_run): New functions.
5744         (class Initialize_lock_once): Remove.
5745         (initialize_lock_control): Remove.
5746         (initialize_lock_pointer): Remove.
5747         (initialize_lock_once): Remove.
5748         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5749         (Initialize_lock::initialize): Rewrite.
5750         (Initialize_lock::do_run_once): New function.
5751         * archive.cc (Archive::interpret_header): Only clear name if it is
5752         not already empty.
5753         * fileread.cc: Include "gold-threads.h"
5754         (file_counts_lock): New static variable.
5755         (file_counts_initialize_lock): Likewise.
5756         (File_read::release): Only increment counts when using --stats.
5757         Use a lock around the increment.
5758         * parameters.cc (class Set_parameters_target_once): Define.
5759         (set_parameters_target_once): New static variable.
5760         (Parameters::Parameters): Move here from parameters.h.
5761         (Parameters::set_target): Rewrite.
5762         (Parameters::set_target_once): New function.
5763         (Parameters::clear_target): Move here and rewrite.
5764         * parameters.h (class Parameters): Update declarations.  Add
5765         set_parameters_target_once_ field.
5766         (Parameters::Parameters): Move to parameters.cc.
5767         (Parameters::clear_target): Likewise.
5768         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5769         task.
5770         (Start_group::~Start_group): New function.
5771         (Start_group::is_runnable): New function.
5772         (Start_group::locks, Start_group::run): New functions.
5773         (Finish_group::run): Change saw_undefined to size_t.
5774         * readsyms.h (class Start_group): Define.
5775         (class Finish_group): Change saw_undefined_ field to size_t.
5776         (Finish_group::Finish_group): Remove saw_undefined and
5777         this_blocker parameters.  Change all callers.
5778         (Finish_group::set_saw_undefined): New function.
5779         (Finish_group::set_blocker): New function.
5780         * symtab.h (class Symbol_table): Change saw_undefined to return
5781         size_t.  Change saw_undefined_ field to size_t.
5782         * target-select.cc (Set_target_once::do_run_once): New function.
5783         (Target_selector::Target_selector): Initialize set_target_once_
5784         field.  Don't initialize lock_ and initialize_lock_ fields.
5785         (Target_selector::instantiate_target): Rewrite.
5786         (Target_selector::set_target): New function.
5787         * target-select.h (class Set_target_once): Define.
5788         (class Target_selector): Update declarations.  Make
5789         Set_target_once a friend.  Remove lock_ and initialize_lock_
5790         fields.  Add set_target_once_ field.
5791
5792 2010-02-10  Ian Lance Taylor  <iant@google.com>
5793
5794         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5795         queueing any tasks.
5796         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5797         (queue_middle_tasks): Add all blockers before queueing any tasks.
5798         (queue_final_tasks): Likewise.
5799         * token.h (Task_token::add_blockers): New function.
5800         * object.h (Input_objects::number_of_relobjs): New function.
5801
5802 2010-02-10  Ian Lance Taylor  <iant@google.com>
5803
5804         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5805         shared, not if not position independent.
5806         * x86_64.cc (Relocate::relocate_tls): Likewise.
5807         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5808         (tls_pie_pic_test): New target.
5809         * testsuite/Makefile.in: Rebuild.
5810
5811         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5812         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5813         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5814         * testsuite/Makefile.in: Rebuild.
5815
5816 2010-02-09  David S. Miller  <davem@davemloft.net>
5817
5818         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5819         R_SPARC_RELATIVE using ->add_local_relative().
5820         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5821
5822         * output.h (Output_data_dynamic::add_section_size): New method
5823         that takes two Output_data objects.
5824         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5825         entry param.  Handle it in initializers.
5826         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5827         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5828         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5829         arg.
5830         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5831         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5832         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5833         for dynrel_includes_plt.
5834         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5835         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5836         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5837         before .rela.plt
5838         (Target_sparc::do_finalize_sections): Update to pass true for
5839         dynrel_includes_plt.
5840         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5841         output before .rela.plt
5842         (Target_powerpc::do_finalize_sections): Update to pass true for
5843         dynrel_includes_plt when 32-bit.
5844
5845 2010-02-08  Doug Kwan  <dougkwan@google.com>
5846
5847         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5848         method.
5849         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5850         Arm_relobj::scan_section_for_cortex_a8_stubs,
5851         Arm_relobj::do_relocation_section): Instead of calling
5852         Output_section::output_address, use faster
5853         Arm_relobj::simple_input_section_output_address.
5854
5855 2010-02-08  David S. Miller  <davem@davemloft.net>
5856
5857         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5858         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5859         relocation helper function.
5860
5861         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5862         just like R_SPARC_GOT{10,13,22}.
5863         (Target_sparc::Scan::local): Likewise.
5864         (Target_sparc::Relocate:relocate): Likewise.
5865
5866 2010-02-06  Ian Lance Taylor  <iant@google.com>
5867
5868         * configure.ac: Rewrite targetobjs duplicate removal code to use
5869         only shell constructs.
5870         * configure: Rebuild.
5871
5872 2010-02-05  Doug Kwan  <dougkwan@google.com>
5873
5874         PR 11247
5875         * arm.cc (Arm_relobj::section_is_scannable): New method.
5876         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5877         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5878
5879 2010-02-04  Doug Kwan  <dougkwan@google.com>
5880
5881         PR 11247
5882         * arm-reloc-property.cc (cstdio): Include.
5883         * configure.ac (targetobjs): Remove duplicates.
5884         * configure: Regenerate.
5885         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5886         big and little endian version for a given address size.
5887
5888 2010-02-03  Doug Kwan  <dougkwan@google.com>
5889
5890         * arm-reloc-property.cc
5891         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5892         definition.
5893         * arm-reloc-property.h
5894         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5895         New method definition.
5896         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5897         declaration.
5898         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5899         overflow to N.
5900         (GOT_PREL): Change implemented to Y.
5901         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5902         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5903         (Arm_relocate_functions::movw_abs_nc): Remove method.
5904         (Arm_relocate_functions::movt_abs): Ditto.
5905         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5906         (Arm_relocate_functions::thm_movt_abs): Ditto.
5907         (Arm_relocate_functions::movw_rel_nc): Ditto.
5908         (Arm_relocate_functions::movw_rel): Ditto.
5909         (Arm_relocate_functions::movt_rel): Ditto.
5910         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5911         (Arm_relocate_functions:thm_movw_rel): Ditto.
5912         (Arm_relocate_functions:thm_movt_rel): Ditto.
5913         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5914         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5915         New method definitions.
5916         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5917         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5918         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5919         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5920         (Target_arm::Relocate::relocate): Check for non-static or
5921         unimplemented relocation code and exit early.  Change calls to
5922         Target_arm::reloc_uses_thumb_bit and
5923         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5924         instead.  Refactor code to handle similar relocations to increase
5925         code sharing.  Remove check for unsupported relocation code in switch
5926         statement.
5927         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5928         relocation property table to find out size.  Change error message to
5929         print out the name of a relocation code instead of the numeric value.
5930         (Target_arm::scan_reloc_for_stub): Use relocation property table
5931         instead of calling Target_arm::reloc_uses_thumb_bit().
5932
5933 2010-02-02  Doug Kwan  <dougkwan@google.com>
5934
5935         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5936         types of relaxed input section.
5937
5938 2010-02-02  Doug Kwan  <dougkwan@google.com>
5939
5940         * Makefile.am (HFILES): Add arm-reloc-property.h.
5941         (DEFFILES): New.
5942         (TARGETSOURCES): Add arm-reloc-property.cc
5943         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5944         (libgold_a_SOURCES): $(DEFFILES)
5945         * Makefile.in: Regenerate.
5946         * arm-reloc-property.cc: New file.
5947         * arm-reloc-property.h: New file.
5948         * arm-reloc.def: New file.
5949         * arm.cc: Update comments.
5950         (arm-reloc-property.h): New included header.
5951         (arm_reloc_property_table): New global variable.
5952         (Target_arm::do_select_as_default_target): New method definition.
5953         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5954         arm-reloc-property to targ_extra_obj.
5955         * parameters.cc (set_parameters_target): Call
5956         Target::select_as_default_target().
5957         * target.h (Target::select_as_default_target): New method definition.
5958         (Target::do_select_as_default_target): Same.
5959
5960 2010-02-01  Doug Kwan  <dougkwan@google.com>
5961
5962         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5963         first_output_text_section_.
5964         (Arm_exidx_fixup::first_output_text_section): New method definition.
5965         (Arm_exidx_fixup::first_output_text_section_): New data member.
5966         (Arm_exidx_fixup::process_exidx_section): Record the first text
5967         output section seen.
5968         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5969         and entsize in output section header.
5970
5971 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5972
5973         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5974         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5975         (Arm_relocate_functions::thm_alu11): New Method.
5976         (Arm_relocate_functions::thm_pc8): New Method.
5977         (Arm_relocate_functions::thm_pc12): New Method.
5978         (Target_arm::Scan::local): Handle the relocations.
5979         (Target_arm::Scan::global): Likewise.
5980         (Target_arm::Relocate::relocate): Likewise.
5981         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5982
5983 2010-01-29  Doug Kwan  <dougkwan@google.com>
5984
5985         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5986         of relocation types as ld.
5987
5988 2010-01-29  Doug Kwan  <dougkwan@google.com>
5989
5990         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5991         to public.
5992         (Arm_relocate_functions::thumb_branch_common): Ditto.
5993         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5994         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5995         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5996         Arm_relocate_functions::jump24): Remove.
5997         (Target_arm::Relocate::relocate): Adjust code to call
5998         Arm_relocation_functions::arm_branch_common and
5999         Arm_relocation_functions::thumb_branch_common instead of their removed
6000         wrappers.  Merge switch-cases together to reduce source code size.
6001
6002 2010-01-29  Doug Kwan  <dougkwan@google.com>
6003
6004         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6005         output_local_symbol_count_needs_update_.
6006         (Arm_relobj::output_local_symbol_count_needs_update,
6007          Arm_relobj::set_output_local_symbol_count_needs_update,
6008          Arm_relobj::update_output_local_symbol_count): New methods.
6009         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6010         member.
6011         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6012         of pointed function as in a R_ARM_PREL31 relocation.
6013         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6014         for output local symbol count updating.
6015         (Target_arm::do_relax): Update output local symbol counts in objects
6016         if necessary.
6017         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6018
6019 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6020
6021         * arm.cc: Added support for the ARM relocations:
6022         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6023         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6024         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6025         movw_prel_nc).
6026         (Arm_relocate_functions::movw_rel): New method.
6027         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6028         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6029         thm_movw_prel_nc).
6030         (Arm_relocate_functions::thm_movw_rel): New method.
6031         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6032         thm_movt_prel).
6033         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6034         relocations.
6035         (Target_arm::Scan::global): Likewise.
6036         (Target_arm::Relocate::relocate): Likewise.
6037         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6038         Likewise.
6039
6040 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6041
6042         * arm.cc: Added support for ARM group relocations.
6043         (Target_arm::reloc_needs_sym_origin): New method.
6044         (Arm_relocate_functions::calc_grp_kn): New method.
6045         (Arm_relocate_functions::calc_grp_residual): New method.
6046         (Arm_relocate_functions::calc_grp_gn): New method.
6047         (Arm_relocate_functions::arm_grp_alu): New Method.
6048         (Arm_relocate_functions::arm_grp_ldr): New Method.
6049         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6050         (Arm_relocate_functions::arm_grp_ldc): New Method.
6051         (Target_arm::Scan::local): Handle the ARM group relocations.
6052         (Target_arm::Scan::global): Likewise.
6053         (Target_arm::Relocate::relocate): Likewise.
6054         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6055         Likewise.
6056
6057 2010-01-26  Doug Kwan  <dougkwan@google.com>
6058
6059         * arm.cc (set): Include.
6060         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6061         pointer type.
6062         (Arm_output_section::Text_section_list): New type.
6063         (Arm_output_section::append_text_sections_to_list): New method.
6064         (Arm_output_section::fix_exidx_coverage): Ditto.
6065         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6066         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6067         Relobj::set_section_offset() instead of
6068         Sized_relobj::invalidate_section_offset().
6069         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6070         parameter for section headers. Ignore relocation sections for
6071         unallocated sections and EXIDX sections.
6072         (Target_arm::fix_exidx_coverage): New method.
6073         (Target_arm::output_section_address_less_than): New type.
6074         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6075         linked text section instead of the EXIDX section.
6076         (Arm_output_section::create_stub_group): Add an assertion to check
6077         that this is not an EXIDX output section.
6078         (Arm_output_section::append_text_sections_to_list): New method.
6079         (Arm_output_section::fix_exidx_coverage): Ditto.
6080         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6081         Arm_relobj::section_needs_reloc_stub_scanning.
6082         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6083         first pass.
6084         (Target_arm::fix_exidx_coverage): New method.
6085         * object.h (Relobj::set_output_section): New method.
6086         (Sized_relobj::invalidate_section_offset): Remove method.
6087         (Sized_relobj::do_invalidate_section_offset): Remove method.
6088         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6089
6090 2010-01-25  Doug Kwan  <dougkwan@google.com>
6091
6092         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6093         Fix warning due to signed and unsigned comparison on a 32-bit host.
6094
6095 2010-01-22  Doug Kwan  <dougkwan@google.com>
6096
6097         * arm.cc (Target_arm::do_relax): Record an output section for section
6098         offset adjustment it contains any stub table that has changed.
6099         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6100         offsets in an output section if necessary.
6101         * output.cc (Output_section::Output_section): Initialize
6102         section_offsets_need_adjustments_.
6103         (Output_section::add_input_section_for_script): Renamed to
6104         Output_section::add_simple_input_section.
6105         (Output_section::save_states): Add a comment.
6106         (Output_section::discard_states): New method defintion.
6107         (Output_section::adjust_section_offsets): Same.
6108         * output.h (Output_section::add_input_section_for_script): Renamed to
6109         Output_section::add_simple_input_section.
6110         (Output_section::discard_states): New method declaration.
6111         (Output_section::adjust_section_offsets): Same.
6112         (Output_section::section_offsets_need_adjustment,
6113         Output_section::set_section_offsets_need_adjustment): New method
6114         definitions.
6115         (Output_section::section_offsets_need_adjustment_): New data member.
6116         * script-sections.cc
6117         (Output_section_element_input::set_section_address): Adjust code for
6118         renaming of Output_section::add_input_section_for_script.
6119         (Orphan_output_section::set_section_address): Same.
6120
6121 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6122
6123         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6124         Fix_v4bx enum values .
6125         * gold/options.h (General_options): New option definitions.
6126         (General_options::fix_v4bx): New method.
6127         (General_options::Fix_v4bx): New enum.
6128         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6129         (General_options::parse_fix_v4bx_interworking): New method.
6130
6131 2010-01-22  Doug Kwan  <dougkwan@google.com>
6132
6133         * arm.cc (Arm_exidx_fixup): New class.
6134
6135 2010-01-21  Doug Kwan  <dougkwan@google.com>
6136
6137         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6138         classes.
6139         (Arm_exidx_section_offset_map): New type.
6140
6141 2010-01-21  Doug Kwan  <dougkwan@google.com>
6142
6143         * arm.cc (Arm_exidx_input_section): New class.
6144         (Arm_relobj::exidx_input_section_by_link,
6145         Arm_relobj::exidx_input_section_by_shndx,
6146         Arm_relobj::make_exidx_input_section): New methods.
6147         (read_arm_attributes_section): Remove.
6148         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6149         information about them.
6150         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6151         to here.
6152
6153 2010-01-20  Doug Kwan  <dougkwan@google.com>
6154
6155         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6156         Input_section_specifier to Section_id.
6157         (Target_arm::new_arm_input_section: Adjust code for change of key
6158         type.
6159         (Target_arm::find_arm_input_section): Ditto.
6160         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6161         (Section_id): Remove.
6162         (Garbage_collection::Section_id_hash): Remove.
6163         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6164         (Section_id): Remove.
6165         (Icf::Section_id_hash): Remove.
6166         * object.h (Section_id, Const_section_id, Section_id_hash,
6167         Const_section_id_hash): New type definitions.
6168         * output.cc (Output_section::add_relaxed_input_section): Change to
6169         use Const_section_id instead of Input_section_specifier as key type.
6170         (Output_section::add_merge_input_section): Ditto.
6171         (Output_section::build_relaxation_map): Change to use Section_id
6172         instead of Input_section_specifier as key type.
6173         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6174         Ditto.
6175         (Output_section::convert_input_sections_to_relaxed_sections): Change
6176         to use Const_section_id instead of Input_section_specifier as key type.
6177         (Output_section::find_merge_section): Ditto.
6178         (Output_section::find_relaxed_input_section): Ditto.
6179         * output.h (Input_section_specifier): Remove class.
6180         (Output_section::Output_section_data_by_input_section_map): Change
6181         key type to Const_section_id.
6182         (Output_section::Output_relaxed_input_section_by_input_section_map):
6183         Ditto.
6184         (Output_section::Relaxation_map): Change key type to Section_id.
6185
6186 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6187
6188         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6189         (class Arm_v4bx_stub): New class.
6190         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6191         (Stub_factory::make_arm_v4bx_stub): New method.
6192         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6193         (Stub_table::empty): Handle v4bx stubs.
6194         (Stub_table::add_arm_v4bx_stub): New method.
6195         (Stub_table::find_arm_v4bx_stub): New method.
6196         (Arm_relocate_functions::v4bx): New method.
6197         (Target_arm::fix_v4bx): New method.
6198         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6199         (Stub_table::relocate_stubs): Likewise.
6200         (Stub_table::do_write): Likewise.
6201         (Stub_table::update_data_size_and_addralign): Likewise.
6202         (Stub_table::finalize_stubs):  Likewise.
6203         (Target_arm::Scan::local): Likewise.
6204         (Target_arm::Scan::global): Likewise.
6205         (Target_arm::do_finalize_sections): Likewise.
6206         (Target_arm::Relocate::relocate): Likewise.
6207         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6208         Likewise.
6209         (Target_arm::scan_reloc_for_stub): Likewise.
6210         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6211
6212 2010-01-19  Ian Lance Taylor  <iant@google.com>
6213
6214         * output.cc (Output_section_headers::do_sized_write): Write large
6215         segment count to sh_info field.
6216         (Output_file_header::do_sized_write): For large segment count,
6217         write PN_XNUM to e_phnum field.
6218
6219 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6220
6221         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6222         (Arm_relocate_functions::thm_jump8): New function.
6223         (Arm_relocate_functions::thm_jump11): New function.
6224         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6225         R_ARM_THM_JUMP11.
6226         (Target_arm::Scan::global): Likewise.
6227         (Target_arm::Relocate::relocate): Likewise.
6228         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6229         Likewise.
6230
6231 2010-01-14  Doug Kwan  <dougkwan@google.com>
6232
6233         * arm.cc (map, utility): Include headers.
6234         (Target_arm::apply_cortex_a8_workaround): New method.
6235         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6236         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6237         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6238         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6239         the --[no-]fix-cortex-a8 command line options.
6240         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6241         (Target_arm::relocate_stub): Use addend in instruction template.
6242         * options.h (DEFINE_bool): Set the user-set flag.
6243         (General_options): Add --[no-]-fix-cortex options.
6244         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6245         : Update fast look-up map after conversion.
6246
6247 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6248
6249         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6250         in the first pass of do_layout.
6251
6252 2010-01-13  Doug Kwan  <dougkwan@google.com>
6253
6254         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6255         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6256         apparent compiler problem of not folding static constant integral
6257         data members of elfcpp::Elf_sizes<32>.
6258
6259 2010-01-13  Doug Kwan  <dougkwan@google.com>
6260
6261         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6262         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6263         Arm_relobj::scan_section_for_cortex_a8_erratum,
6264         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6265         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6266         sections to scan for relocation stubs into a new method
6267         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6268         relocation and Cortex-A8 stub scanning.
6269         (Target_arm::do_relax): Force stubs to be after stubbed sections
6270         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6271         the beginning of a new relaxation pass.  Update a comment.
6272         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6273
6274 2010-01-12  Ian Lance Taylor  <iant@google.com>
6275
6276         * target-reloc.h (visibility_error): New inline function.
6277         (relocate_section): Call visibility_error.
6278         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6279         (MOSTLYCLEANFILES): Likewise.
6280         (protected_4_pic.o, protected_3.err): New targets.
6281         * testsuite/protected_4.cc: New file.
6282
6283 2010-01-12  Doug Kwan  <dougkwan@google.com>
6284
6285         * arm.cc (Cortex_a8_reloc): New class.
6286         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6287         and cortex_a8_relocs_info_.
6288         (Target_arm::fix_cortex_a8): New method definition.
6289         (Target_arm::Cortex_a8_relocs_info): New type.
6290         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6291         New data member declarations.
6292         (Target_arm::scan_reloc_for_stub): Record information about
6293         relocations for THUMB branches that might be exempted from the
6294         Cortex-A8 workaround.
6295         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6296         at the beginning of a relaxation pass.
6297
6298 2010-01-12  Doug Kwan  <dougkwan@google.com>
6299
6300         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6301         (Arm_relobj::Mapping_symbol_position,
6302          Arm_reloj::Mapping_symbol_position_less,
6303          Arm_relobj::Mapping_symbols_info): New types.
6304         (Target_arm::is_mapping_symbol_name): New method definition.
6305         (Arm_relobj::do_count_local_symbols): Save information about mapping
6306         symbols.
6307
6308 2010-01-11  Doug Kwan  <dougkwan@google.com>
6309
6310         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6311         Arm_relocate_functions::thumb32_branch_upper,
6312         Arm_relocate_functions::thumb32_branch_lower,
6313         Arm_relocate_functions::thumb32_cond_branch_offset,
6314         Arm_relocate_functions::thumb32_cond_branch_upper,
6315         Arm_relocate_functions::thumb32_cond_branch_lower,
6316         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6317         branch offset encoding.
6318         (Arm_relocate_functions::thumb_branch_common): Use new branch
6319         offset encoding methods to avoid code duplication.
6320         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6321         (Stub_addend_reader::operator()): Use new branch encoding method
6322         to avoid code duplication.
6323
6324 2010-01-11  Doug Kwan  <dougkwan@google.com>
6325
6326         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6327         (Target_arm::do_finalize_sections): Define special EXIDX section
6328         symbols only if referenced.
6329         * gc.h (Garbage_collection::add_reference): New method.
6330         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6331         code duplication.
6332
6333 2010-01-11  Ian Lance Taylor  <iant@google.com>
6334
6335         * script.cc (Version_script_info::build_expression_list_lookup):
6336         Change complaing about duplicate wildcard match from error to
6337         warning.
6338
6339         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6340         of 2009-12-30.
6341         (Version_script_info::Version_script_info): Initialize globs_,
6342         default_version_, default_is_global_, and exact_.  Don't
6343         initialize globals_ or locals_.
6344         (Version_script_info::build_lookup_tables): Build local symbols
6345         first.
6346         (Version_script_info::unquote): New function.
6347         (Version_script_info::add_exact_match): New function.
6348         (Version_script_info::build_expression_list_lookup): Remove lookup
6349         parameter.  Add is_global parameter.  Change all callers.  Handle
6350         wildcard pattern specially.  Unquote pattern.  Call
6351         add_exact_match.
6352         (Version_script_info::get_name_to_match): New function.
6353         (Version_script_info::get_symbol_version): New function.
6354         (Version_script_info::get_symbol_version_helper): Remove.
6355         (Version_script_info::check_unmatched_names): Call unquote.
6356         * script.h (class Version_script_info): Change get_symbol_version
6357         to be non-inline and add is_global parameter; change all callers.
6358         Rewrite symbol_is_local.  Update declarations.  Define struct
6359         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6360         Remove globals_ and locals_ members.  Add exact_, globs_,
6361         default_version_, is_global_.
6362         (Version_script_info::Glob): Remove pattern, add expression and
6363         is_global.  Update constructor.  Change all callers.
6364         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6365         default version.
6366         (Versions::symbol_section_contents): If a symbol is undefined, or
6367         defined in a dynamic object, set the version index to
6368         VER_NDX_LOCAL.
6369         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6370         symbol_is_local.
6371         (Symbol_table::add_from_pluginobj): Likewise.
6372         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6373
6374 2010-01-11  Doug Kwan  <dougkwan@google.com>
6375
6376         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6377         (incremental_dump_LDADD): Add linking option for libintl.
6378         * Makefile.in: Regenerate.
6379
6380 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6381
6382         PR gold/11144
6383         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6384         instead of -Ds.
6385         * testsuite/Makefile.in: Regenerated.
6386
6387 2010-01-10  Doug Kwan  <dougkwan@google.com>
6388
6389         * options.h (DEFINE_var): Use parentheses around argument varname__
6390         in macro body to avoid any unintended subsequent substitutions.
6391
6392 2010-01-10  Ian Lance Taylor  <iant@google.com>
6393
6394         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6395         candidates before doing symbol resolution.
6396
6397         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6398         ODR candidates if only one is weak.
6399
6400 2010-01-08  Ian Lance Taylor  <iant@google.com>
6401
6402         * script.cc (Version_script_info::build_expression_list_lookup):
6403         Don't warn about ambiguous version, just record the ambiguity.
6404         (Version_script_info::get_symbol_version_helper): Give error if
6405         version is ambiguous.
6406
6407 2010-01-08  Doug Kwan  <dougkwan@google.com>
6408
6409         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6410           prev_data_size_ and prev_addralign_.  Remove initializer for
6411           deleted data member has_been_changed_.
6412           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6413           to determine if the table is empty.
6414           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6415           Remove.
6416           (Stub_table::add_reloc_stub): Define method in class definition
6417           instead of just declaring it there.
6418           (Stub_table::add_cortex_a8_stub): New method definition.
6419           (Stub_table::update_data_size_and_addralign): Ditto.
6420           (Stub_table::finalize_stubs): Ditto.
6421           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6422           (Stub_table::do_addralign_): Return address alignment in the
6423           (Stub_table::do_reset_address_and_file_offset): Define method in
6424           class definition instead of declaring it there.  Set current data
6425           size to be the data size of the previous pass.
6426           (Stub_table::set_final_data_size): Use current data size as the
6427           final data size.
6428           (Stub_table::relocate_stub): Change parameter type of stub from
6429           Reloc_stub pointer to Stub pointer.
6430           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6431           (Stub_table::Cortex_a8_stub_list): New typedef.
6432           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6433            Stub_table::prev_addralign_): New data member.
6434           (Arm_relobj::Arm_relobj): Initialize data member
6435           section_has_cortex_a8_workaround_.
6436           (Arm_relobj::section_has_cortex_a8_workaround,
6437            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6438            definitions.
6439           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6440           declarations.
6441           (Target_arm::relocate_stub): Change parameter type of stub from
6442           Reloc_stub pointer to Stub pointer.
6443           (Insn_template::size, Insn_template::alignment): Handle
6444           THUMB16_SPECIAL_TYPE.
6445           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6446            Stub_table::update_data_size_and_addralign,
6447            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6448           definitions.
6449           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6450           (Stub_table::do_write): Ditto.
6451           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6452
6453 2010-01-08  Ian Lance Taylor  <iant@google.com>
6454
6455         PR 11108
6456         * symtab.h (class Symbol): Remove fields is_target_special_ and
6457         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6458         (Symbol::is_defined_in_discarded_section): New function.
6459         (Symbol::set_is_defined_in_discarded_section): New function.
6460         (Symbol::has_plt_offset): Rewrite.
6461         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6462         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6463         Don't initialize is_target_special_ or has_plt_offset_.
6464         Initialize is_defined_in_discarded_section_.
6465         (Symbol_table::add_from_relobj): If appropriate, set
6466         is_defined_in_discarded_section.
6467         * resolve.cc (Symbol::override_base_with_special): Don't test
6468         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6469         * target-reloc.h (relocate_section): Do special handling for
6470         symbols defined in discarded sections for global symbols as well
6471         as local symbols.
6472
6473 2010-01-08  Ian Lance Taylor  <iant@google.com>
6474
6475         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6476         the SHT_SYMTAB case.
6477
6478 2010-01-08  Ian Lance Taylor  <iant@google.com>
6479
6480         * object.cc (Sized_relobj::do_layout): Don't get confused if
6481         layout_eh_frame returns NULL.
6482
6483 2010-01-08  Ian Lance Taylor  <iant@google.com>
6484
6485         PR 11084
6486         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6487         dynamic symbol table, use the normal symbol table.
6488         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6489         symbol table.
6490
6491 2010-01-08  Ian Lance Taylor  <iant@google.com>
6492
6493         PR 11072
6494         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6495         sections.
6496
6497 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6498
6499         * version.cc (print_version): Change to "Copyright 2010".
6500
6501 2010-01-08  Ian Lance Taylor  <iant@google.com>
6502
6503         PR 10287
6504         PR 11063
6505         * i386.cc (class Target_i386): Change return type of plt_section
6506         to be non-const.
6507         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6508         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6509         tls_desc_rel_ field.
6510         (Output_data_plt_i386::rel_tls_desc): New function.
6511         (Target_i386::rel_tls_desc_section): New function.
6512         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6513         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6514         R_386_TLS_DESC reloc in rel_tls_desc_section.
6515         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6516         Define struct Tlsdesc_info.
6517         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6518         (Target_x86_64::do_reloc_symbol_index): New function.
6519         (Target_x86_64::add_tlsdesc_info): New function.
6520         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6521         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6522         tlsdesc_rel_ field.
6523         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6524         all callers.
6525         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6526         (Target_x86_64::rela_tlsdesc_section): New function.
6527         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6528         handling.
6529         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6530         (Target_x86_64::do_reloc_addend): New function.
6531         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6532         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6533         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6534         (Output_reloc::type): New function.
6535         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6536         (Output_reloc::is_target_specific): New function.
6537         (Output_reloc::target_arg): New function.
6538         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6539         absolute relocs and target specific relocs.
6540         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6541         add_target_specific.
6542         (class Output_data_reloc) [SHT_RELA]: Likewise.
6543         * output.cc (Output_reloc::Output_reloc): Add four new versions
6544         for absolute relocs and target specific relocs.
6545         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6546         (Output_reloc::get_symbol_index): Likewise.
6547         (Output_reloc::local_section_offset): Check that local_sym_index_
6548         is not TARGET_CODE or 0.
6549         (Output_reloc::symbol_value): Likewise.
6550         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6551         reloc.
6552         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6553         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6554         functions.
6555         * layout.cc (add_target_dynamic_tags): Use output section for
6556         DT_PLTRELSZ and DT_JMPREL.
6557
6558 2010-01-07  Ian Lance Taylor  <iant@google.com>
6559
6560         PR 11061
6561         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6562         function.
6563         (class Output_data_reloc_generic): Define.
6564         (class Output_data_reloc_base): Change base class to
6565         Output_data_reloc_generic.  Change add() method to call
6566         bump_relative_reloc_count for a relative reloc.  Remove
6567         sort_relocs_ field.
6568         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6569         to sort_relocs().
6570         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6571         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6572         appropriate.
6573         * layout.h (class Layout): Update declaration.
6574
6575 2010-01-07  Ian Lance Taylor  <iant@google.com>
6576
6577         * output.h (class Output_data): Add const version of
6578         output_section and do_output_section.
6579         (class Output_section_data): Add const version of
6580         do_output_section.
6581         (class Output_section): Likewise.
6582         * layout.cc (Layout::add_target_dynamic_tags): New function.
6583         * layout.h (class Layout): Update declarations.
6584         * arm.cc (Target_arm::do_finalize_sections): Use
6585         add_target_dynamic_tags.
6586         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6587         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6588         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6589         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6590
6591 2010-01-07  Ian Lance Taylor  <iant@google.com>
6592
6593         PR 11042
6594         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6595         object as needed.
6596
6597 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6598             Ian Lance Taylor  <iant@google.com>
6599
6600         PR 11019
6601         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6602         Xindex::read_symtab_xindex.
6603
6604 2010-01-07  Doug Kwan  <dougkwan@google.com>
6605
6606         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6607         (Insn_template::thumb16_bcond_insn): New method declaration.
6608         (Insn_template): Fix spelling.
6609         (Stub::thumb16_special): New method declaration.
6610         (Stub::do_write): Define virtual method which was previously pure
6611         virtual.
6612         (Stub::do_thumb16_special): New method declaration.
6613         (Stub::do_fixed_endian_write): New template member.
6614         (Reloc_stub::do_write): Remove.
6615         (Reloc_stub::do_fixed_endian_write): Remove.
6616         (Cortex_a8_stub): New class definition.
6617         (Stub_factory::make_cortex_a8_stub): New method definition.
6618         (Stub_factory::Stub_factory): Add missing static storage class
6619         qualifier for elf32_arm_stub_a8_veneer_blx.
6620
6621 2010-01-07  Ian Lance Taylor  <iant@google.com>
6622
6623         PR 10980
6624         * options.h (class General_options): Add --warn-unresolved-symbols
6625         and --error-unresolved-symbols.
6626         * errors.cc (Errors::undefined_symbol): Implement
6627         --warn-unresolved-symbols.
6628
6629         * options.h (class General_options): Add -z text and -z textoff.
6630         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6631
6632 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6633
6634         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6635         (Garbage_collection::cident_sections): New function.
6636         (Garbage_collection::add_cident_section): New function.
6637         (Garbage_collection::cident_sections_): New member.
6638         (gc_process_relocs): Add references to sections whose names are C
6639         identifiers.
6640         * gold.h (cident_section_start_prefix): New constant.
6641         (cident_section_stop_prefix): New constant.
6642         (is_cident): New function.
6643         * layout.cc (Layout::define_section_symbols): Replace string constants
6644         with the newly defined constants.
6645         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6646         C identifiers.
6647         * testsuite/Makefile.am: Add gc_orphan_section_test.
6648         * testsuite/Makefile.in: Regenerate.
6649         * testsuite/gc_orphan_section_test.cc: New file.
6650         * testsuite/gc_orphan_section_test.sh: New file.
6651
6652 2010-01-06  Ian Lance Taylor  <iant@google.com>
6653
6654         PR 10980
6655         * options.h (class General_options): Add --warn-shared-textrel.
6656         * layout.cc (Layout::finish_dynamic_section): Implement
6657         --warn-shared-textrel.
6658
6659         PR 10980
6660         * options.h (class General_options): Add --warn-multiple-gp.
6661
6662 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6663
6664         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6665         $(THREADSLIB) and $(LIBDL).
6666         * Makefile.in: Rebuild.
6667
6668 2010-01-06  Ian Lance Taylor  <iant@google.com>
6669
6670         PR 10980
6671         * options.cc (General_options::parse_section_start): New function.
6672         (General_options::section_start): New function.
6673         (General_options::General_options): Initialize all members.
6674         * options.h: Include <map>
6675         (class General_options): Add --section-start.  Add section_starts_
6676         member.
6677         * layout.cc (Layout::attach_allocated_section_to_segment): If
6678         --section-start was used, set the address of the segment.  Remove
6679         local sort_sections.
6680         (Layout::relaxation_loop_body): If the address of the load segment
6681         has been set by --section-start, don't use it.
6682         * output.h (Output_segment::update_flags_for_output_section): New
6683         function.
6684         * output.cc (Output_segment::add_output_section): Call
6685         update_flags_for_output_section.
6686
6687 2010-01-05  Ian Lance Taylor  <iant@google.com>
6688
6689         PR 10980
6690         * options.h (class General_options): Add --undefined-version.
6691         * script.cc (struct Version_expression): Add was_matched_by_symbol
6692         field.
6693         (Version_script_info::matched_symbol): New function.
6694         (Version_script_info::get_symbol_version_helper): Call
6695         matched_symbol.
6696         (Version_script_info::check_unmatched_names): New function.
6697         * script.h (class Version_script_info): Update declarations.
6698         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6699
6700         * options.h (class General_options): Use DEFINE_bool_alias for
6701         allow_multiple_definition.
6702         * resolve.cc (Symbol_table::should_override): Don't test
6703         allow_multiple_definition.
6704
6705         PR 10980
6706         * options.h (class General_options): Add --cref.
6707         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6708         until after printing cref table.
6709         * cref.cc: Include "symtab.h".
6710         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6711         (Cref_table_compare::operator()): New function.
6712         (Cref_inputs::gather_cref): New function.
6713         (filecol): New static const.
6714         (Cref_inputs::print_cref): New function.
6715         (Cref::print_cref): New function.
6716         * cref.h: Include <cstdio>.
6717         (class Cref): Update declarations.
6718         * mapfile.h (Mapfile::file): New function.
6719         * object.h (class Object): Define Symbols.  Declare virtual
6720         do_get_global_symbols.
6721         (Object::get_global_symbols): New function.
6722         * object.cc (Input_objects::add_object): Pass object to cref_ if
6723         --cref.
6724         (Input_objects::archive_start): Likewise.
6725         (Input_objects::archive_stop): Likewise.
6726         (Input_objects::print_cref): New function.
6727         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6728         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6729         --cref.
6730         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6731         function.
6732         * plugin.h (class Sized_pluginobj): Update declarations.
6733
6734 2010-01-05  Ian Lance Taylor  <iant@google.com>
6735
6736         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6737         to is_default_version.  Rename insdef to insdefault.
6738         (Symbol_table::add_from_relobj): Rename def to is_default_version
6739         and local to is_forced_local.
6740         (Symbol_table::add_from_pluginobj): Likewise.
6741         (Symbol_table::add_from_dynobj): Likewise.
6742         (Symbol_table::define_special_symbol): Rename insdef to
6743         insdefault.
6744
6745 2010-01-04  Ian Lance Taylor  <iant@google.com>
6746
6747         PR 10980
6748         * options.h (class General_options): Add
6749         --allow-multiple-definition and -z muldefs.
6750         * resolve.cc (Symbol_table::should_override): Don't warn about a
6751         multiple symbol definition if --allow-multiple-definition or -z
6752         muldefs.
6753
6754         PR 10980
6755         * options.h (class General_options): Add --add-needed and
6756         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6757         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6758         error if --copy-dt-needed-entries aka --add-needed is used and
6759         would cause a change in behaviour.
6760
6761         PR 10980
6762         * options.h (class General_options): Add -G as a short version of
6763         --shared.  Add no-op options -assert, -g, and -i.
6764
6765 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6766
6767         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6768         check for .text or .gnu.linkonce.t sections.
6769         * icf.cc (Icf::find_identical_sections): Ditto.
6770         Change the detection for mangled function name within the section
6771         name.
6772         * icf.h (is_section_foldable_candidate): New function.
6773
6774 2009-12-30  Ian Lance Taylor  <iant@google.com>
6775
6776         PR 10980
6777         * options.h (class General_options): Permit two dashes with
6778         --retain-symbols-file.
6779
6780 2009-12-30  Ian Lance Taylor  <iant@google.com>
6781
6782         PR 10979
6783         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6784         don't put the file header and segment headers in the text
6785         segment.
6786
6787         PR 10979
6788         * common.cc (Sort_commons::operator()): Stabilize sort when both
6789         entries are NULL.
6790         (Symbol_table::do_allocate_commons_list): When allocating common
6791         symbols, skip a symbol which is no longer common.
6792         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6793         an object before checking its type.
6794         * testsuite/common_test_2.c: New file.
6795         * testsuite/common_test_3.c: New file.
6796         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6797         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6798         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6799         (common_test_2_pic.o, common_test_2.so): New targets.
6800         (common_test_3_pic.o, common_test_3.so): New targets.
6801         * testsuite/Makefile.in: Rebuild.
6802
6803         PR 10979
6804         * script.cc (read_input_script): If we see a new SECTIONS clause,
6805         and we have added an input section, give an error.
6806         * layout.h (class Layout): Add have_added_input_section function.
6807         Add have_added_input_section_ field.
6808         * layout.cc (Layout::Layout): Initialize
6809         have_added_input_section_.
6810         (Layout::layout): Set have_added_input_section_.
6811         (Layout::layout_eh_frame): Likewise.
6812
6813 2009-12-30  Ian Lance Taylor  <iant@google.com>
6814
6815         PR 10931
6816         * options.h (class General_options): Add --sort-common option.
6817         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6818         * common.cc (Sort_common): Add sort_order parameter to
6819         constructor.  Add sort_order_ field.
6820         (Sort_commons::operator): Check sort_order_.
6821         (Symbol_table::allocate_commons): Determine the sort order.
6822         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6823         Change all callers.
6824         (Symbol_table::do_allocate_commons_list): Likewise.
6825
6826 2009-12-30  Ian Lance Taylor  <iant@google.com>
6827
6828         PR 10916
6829         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6830         symbols from this object, don't change the visibility of an
6831         undefined symbol.
6832         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6833
6834 2009-12-30  Ian Lance Taylor  <iant@google.com>
6835
6836         PR 10861
6837         * script.h (class Version_script_info): Define Language enum.
6838         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6839         new fields globals_, locals_, and is_finalized_.
6840         * script.cc: Various formatting fixes.
6841         (class Parser_closure): Change language_stack_ from a vector of
6842         std::string to one of Version_script_info::Language.  Adjust all
6843         uses accordingly.
6844         (class Lazy_demangler): Remove.
6845         (struct Version_expression): Change language from std::string to
6846         Version_script_info::Language.
6847         (Version_script_info::Version_script_info): New function.
6848         (Version_script_info::~Version_script_info): Don't call clear.
6849         (Version_script_info::finalize): New function.
6850         (Version_script_info::build_lookup_tables): New function.
6851         (Version_script_info::build_expression_list_lookup): New
6852         function.
6853         (Version_script_info::get_symbol_version_helper): Rewrite to use
6854         lookup tables.
6855         (Version_script_info::print_expression_list): Adjust to use
6856         Version_script_info::Language.
6857         (script_push_lex_into_version_mode): Check that the version script
6858         has not been finalized.
6859         (version_script_push_lang): Change language string to
6860         Version_script_info::Language.
6861         * options.cc (Command_line::version_script): New function.
6862         * options.h (class General_options): Add finalize_dynamic_list
6863         function.  Change version_script from declaration to definition.
6864         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6865         * testsuite/version_script.map: Remove duplicate def of foo.
6866         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6867         version_script.map.
6868         * testsuite/Makefile.in: Rebuild.
6869
6870 2009-12-30  Ian Lance Taylor  <iant@google.com>
6871
6872         PR 10843
6873         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6874         if the input symbol index is 0, make the output symbol index 0.
6875
6876 2009-12-30  Ian Lance Taylor  <iant@google.com>
6877
6878         PR 10670
6879         * options.h (class General_options): Add -x/--discard-all.
6880         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6881         --discard-all.  If the local symbol needs a dynamic entry, check
6882         that before handling --discard-locals.
6883
6884 2009-12-30  Ian Lance Taylor  <iant@google.com>
6885
6886         PR 10450
6887         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6888         flags to PF_R.
6889         (Output_segment::add_output_section): Don't change the flags if
6890         the type is PT_TLS.
6891
6892         PR 10450
6893         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6894         GNU hash table if they need a dynamic value.  Otherwise, don't add
6895         them if they are defined in a dynamic object or are forced local.
6896
6897 2009-12-29  Ian Lance Taylor  <iant@google.com>
6898
6899         PR 10450
6900         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6901         .gnu.hash table for a 32-bit target.
6902
6903         PR 10450
6904         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6905         regular and a dynamic object only needs a dynamic symbol table
6906         entry if it is externally visible.
6907
6908         PR 10450
6909         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6910         constructor.  Add global_offset_table_ field.
6911         (Target_i386::got_section): Set global_offset_table_.
6912         (Target_i386::do_finalize_sections): Set global_offset_table_
6913         size.
6914         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6915         in constructor.  Add global_offset_table_ field.
6916         (Target_x86_64::got_section): Set global_offset_table_.
6917         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6918         size.
6919
6920         * layout.cc (Layout::Layout): Initialize increase_relro_.
6921         (Layout::get_output_section): Add is_relro, is_last_relro, and
6922         is_first_non_relro parameters.  Change all callers.
6923         (Layout::choose_output_section): Likewise.
6924         (Layout::add_output_section_data): Likewise.
6925         (Layout::make_output_section): Likewise.
6926         (Layout::set_segment_offsets): Clear increase_relro when using a
6927         linker script.
6928         * layout.h (class Layout): Add increase_relro method.  Add
6929         increase_relro_ field.  Update declarations.
6930         * output.cc (Output_section::Output_section): Initialize
6931         is_last_relro_ and is_first_non_relro_.
6932         (Output_segment::add_output_section): Group relro sections is
6933         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6934         (Output_segment::maximum_alignment): Remove relro handling.
6935         (Output_segment::set_section_addresses): Add increase_relro
6936         parameter.  Change all callers.  Add initial alignment to align
6937         relro sections on separate page.  Remove old relro handling.
6938         (Output_segment::set_section_list_addresses): Remove in_relro
6939         parameter.  Change all callers.
6940         (Output_segment::set_offset): Add increase parameter.  Change all
6941         callers.  Remove old relro handling.
6942         * output.h (class Output_section): Add new methods: is_last_relro,
6943         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6944         Add is_last_relro_ and is_first_non_relro_ fields.
6945         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6946         Create separate .got.plt section.  Call increase_relro.
6947         * x86_64.cc (Target_x86_64::got_section): Likewise.
6948         * testsuite/relro_script_test.t: Add .got.plt.
6949
6950         PR 10450
6951         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6952         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6953         (Layout::finalize): Call set_dynamic_symbol_size.
6954         (Layout::set_dynamic_symbol_size): New function.
6955         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6956         set_dynamic_symbol_size.
6957
6958         PR 10450
6959         * output.h (class Output_section): Add is_entsize_zero_ field.
6960         * output.cc (Output_section::Output_section): Initialize
6961         is_entsize_zero_.
6962         (Output_section::set_entsize): If two different entsizes are
6963         requested, force it to zero.
6964         (Output_section::add_input_section): Set flags for .debug_str
6965         before updating section flags.  Set entsize.
6966         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6967         and SHF_STRING if all input sections have those flags.
6968
6969 2009-12-29   Rafael Espindola  <espindola@google.com>
6970
6971         * main.cc (main): Fix the sys time reporting.
6972         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6973         reporting.
6974
6975 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6976
6977         * options.cc (General_options::parse_version): Allow -v to exit
6978         without an error if there is nothing to link.
6979
6980 2009-12-29  Ian Lance Taylor  <iant@google.com>
6981
6982         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6983         using a version of gcc before 4.1.
6984         * configure: Rebuild.
6985
6986 2009-12-28  Chris Demetriou  <cgd@google.com>
6987
6988         * attributes.cc (Output_attributes_section_data::do_write): Use
6989         std::vector::front rather than std::vector::data.
6990
6991 2009-12-28  Ian Lance Taylor  <iant@google.com>
6992
6993         * symtab.h (class Symbol_table): Add enum Defined.
6994         * resolve.cc (Symbol_table::should_override): Add defined
6995         parameter.  Change all callers.  Test whether object is NULL
6996         before calling a method on it.
6997         (Symbol_table::report_resolve_problem): Add defined parameter.
6998         Change all callers.
6999         (Symbol_table::should_override_with_special): Likewise.
7000         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7001         parameter.  Change all callers.
7002         (Symbol_table::do_define_in_output_data): Likewise.
7003         (Symbol_table::define_in_output_segment): Likewise.
7004         (Symbol_table::do_define_in_output_segment): Likewise.
7005         (Symbol_table::define_as_constant): Likewise.
7006         (Symbol_table::do_define_as_constant): Likewise.
7007         * script.h (class Symbol_assignment): Add is_defsym parameter to
7008         constructor; change all callers.
7009         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7010         parameter.  Change all callers.  Add is_defsym_ field.
7011         (class Parser_closure): Add parsing_defsym parameter to
7012         constructor; change all callers.  Add parsing_defsym accessor
7013         function.  Add parsing_defsym_ field.
7014
7015 2009-12-28  Ian Lance Taylor  <iant@google.com>
7016
7017         * gold.cc (queue_middle_tasks): Fix formatting.
7018         * object.cc (Relobj::is_section_name_included): Likewise.
7019
7020 2009-12-23  Ian Lance Taylor  <iant@google.com>
7021
7022         * i386.cc (Target_i386::do_calls_non_split): Recognize
7023         -fsplit-stack prologue for a function with a static chain.
7024         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7025         -fsplit-stack prologue when using %r11.
7026
7027 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7028
7029         * options.cc (General_options::parse_version): Make -v continue and do
7030         the link like GNU ld does.
7031
7032 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7033
7034         * Makefile.am (CCFILES): Add timer.cc.
7035         (HFILES): Add timer.h.
7036         * configure.ac: Check for sysconf and times.
7037         * main.cc: include timer.h.
7038         (main): Use Timer instead of get_run_time.
7039         * timer.cc: New.
7040         * timer.h: New.
7041         * workqueue.cc: include timer.h.
7042         (Workqueue::find_and_run_task):
7043         Report user, sys and wall time.
7044         * Makefile.in: Regenerate.
7045         * config.in: Regenerate.
7046         * configure: Regenerate.
7047
7048 2009-12-16  Doug Kwan  <dougkwan@google.com>
7049
7050         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7051         sections.
7052         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7053         relaxed input sections.
7054         * output.cc (Output_section::find_relaxed_input_section): Change
7055         return type to Output_relaxed_input_section pointer.  Adjust code
7056         for new type of relaxed_input_section_map_.
7057         * output.h (Output_section::find_relaxed_input_section): Change
7058         return type to Output_relaxed_input_section pointer.
7059         (Output_section::Output_relaxed_input_section_by_input_section_map):
7060         New type.
7061         (Output_section::relaxed_input_section_map_): Change type to
7062         Output_section::Output_relaxed_input_section_by_input_section_map.
7063         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7064         input section.
7065
7066 2009-12-15  Ian Lance Taylor  <iant@google.com>
7067
7068         * layout.cc (Layout::create_shstrtab): Only write out after input
7069         sections if we are compressing debug sections.
7070
7071 2009-12-15  Ian Lance Taylor  <iant@google.com>
7072
7073         * archive.cc (Archive::add_symbols): Only look up a symbol without
7074         a version if there is, in fact, a version.
7075
7076 2009-12-14  Ian Lance Taylor  <iant@google.com>
7077
7078         Revert -Wshadow changes, all changes from:
7079         2009-12-11  Doug Kwan  <dougkwan@google.com>
7080         2009-12-11  Nick Clifton  <nickc@redhat.com>
7081         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7082
7083 2009-12-11  Doug Kwan  <dougkwan@google.com>
7084
7085         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7086         due to -Wshadow.
7087         * attributes.cc (Object_attribute::size): Ditto.
7088         (Attributes_section_data::size): Ditto.
7089         (Attributes_section_data::Attributes_section_data): Ditto.
7090         (Output_attributes_section_data::do_write): Ditto.
7091         * attributes.h (Object_attribute::set_type): Ditto.
7092         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7093
7094 2009-12-11  Nick Clifton  <nickc@redhat.com>
7095
7096         * archive.cc: Fix shadowed variable warnings.
7097         * arm.cc: Likewise.
7098         * compressed_output.cc: Likewise.
7099         * compressed_output.h: Likewise.
7100         * configure: Likewise.
7101         * dwarf_reader.cc: Likewise.
7102         * dynobj.cc: Likewise.
7103         * dynobj.h: Likewise.
7104         * ehframe.cc: Likewise.
7105         * ehframe.h: Likewise.
7106         * errors.cc: Likewise.
7107         * expression.cc: Likewise.
7108         * fileread.cc: Likewise.
7109         * fileread.h: Likewise.
7110         * freebsd.h: Likewise.
7111         * i386.cc: Likewise.
7112         * icf.cc: Likewise.
7113         * incremental.h: Likewise.
7114         * layout.cc: Likewise.
7115         * layout.h: Likewise.
7116         * mapfile.cc: Likewise.
7117         * merge.cc: Likewise.
7118         * merge.h: Likewise.
7119         * object.cc: Likewise.
7120         * object.h: Likewise.
7121         * options.h: Likewise.
7122         * output.cc: Likewise.
7123         * output.h: Likewise.
7124         * parameters.cc: Likewise.
7125         * plugin.cc: Likewise.
7126         * powerpc.cc: Likewise.
7127         * reduced_debug_output.cc: Likewise.
7128         * reduced_debug_output.h: Likewise.
7129         * reloc.cc: Likewise.
7130         * reloc.h: Likewise.
7131         * resolve.cc: Likewise.
7132         * script-sections.cc: Likewise.
7133         * script.cc: Likewise.
7134         * script.h: Likewise.
7135         * sparc.cc: Likewise.
7136         * symtab.cc: Likewise.
7137         * symtab.h: Likewise.
7138         * target-select.cc: Likewise.
7139         * target-select.h: Likewise.
7140         * token.h: Likewise.
7141         * workqueue.cc: Likewise.
7142         * workqueue.h: Likewise.
7143         * x86_64.cc: Likewise.
7144
7145 2009-12-10  Doug Kwan  <dougkwan@google.com>
7146
7147         * arm.cc (attributes.h): New include.
7148         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7149         (Arm_relobj::~Arm_relobj): Delete object pointed by
7150         attributes_section_data_.
7151         (Arm_relobj::attributes_section_data): New method definition.
7152         (Arm_relobj::attributes_section_data_): New data member declaration.
7153         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7154         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7155         attributes_section_data_.
7156         (Arm_dynobj::attributes_section_data): New method definition.
7157         (Arm_dynobj::attributes_section_data_): New data member declaration.
7158         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7159         initialization value of may_use_blx_ to false.
7160         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7161         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7162         object attributes to compute results instead of hard-coding.
7163         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7164         Target_arm::get_secondary_compatible_arch,
7165         Target_arm::set_secondary_compatible_arch
7166         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7167         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7168         New method declarations.
7169         (Target_arm::get_aeabi_object_attribute): New method definition.
7170         (Target_arm::attributes_section_data_): New data member declaration.
7171         (read_arm_attributes_section): New template definition.
7172         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7173         (Arm_dynobj::do_read_symbols): Ditto.
7174         (Target_arm::do_finalize_sections): Merge attributes sections from
7175         input.  Check for BLX use after attributes section merging.
7176         Fix __exidx_start and __exidx_end visibility.  Create an
7177         .ARM.attributes section if necessary.
7178         (Target_arm::get_secondary_compatible_arch,
7179         Target_arm::set_secondary_compatible_arch,
7180         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7181         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7182         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7183         New method definitions.
7184
7185 2009-12-09  Ian Lance Taylor  <iant@google.com>
7186
7187         * plugin.cc (Plugin::load): Don't cast from void* to a function
7188         pointer.
7189
7190 2009-12-09  Ian Lance Taylor  <iant@google.com>
7191
7192         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7193         information fields.
7194
7195 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7196
7197         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7198         Replace two_file_shared_1.so with two_file_shared_2.so.
7199         * testsuite/Makefile.in: Regenerated.
7200
7201 2009-12-08  Doug Kwan  <dougkwan@google.com>
7202
7203         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7204         (HFILES): Add attributes.h and int_encoding.h.
7205         * Makefile.in: Regenerate.
7206         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7207         function definitions to int_encoding.cc
7208         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7209         prototypes to int_encoding.h
7210         * reduced_debug_output.cc (int_encoding.h): New include.
7211         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7212         function definitions to int_encoding.cc
7213         (insert_into_vector, read_from_pointer): Move template definitions to
7214         int_encoding.h
7215         * attributes.cc: New file.
7216         * attributes.h: New file.
7217         * int_encoding.cc: New file.
7218         * int_encoding.h: New file.
7219
7220 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7221
7222         PR gold/11055
7223         * incremental-dump.cc (dump_incremental_inputs): New.
7224         (main): Use dump_incremental_inputs.
7225
7226 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7227
7228         PR gold/10893
7229         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7230         checking elfcpp::STT_FUNC.
7231         (Target_i386::Relocate::relocate): Likewise.
7232         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7233
7234         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7235         symbols from shared libraries into normal FUNC symbols.
7236
7237         * symtab.h (Symbol): Add is_func and use it.
7238
7239 2009-12-05  Doug Kwan  <dougkwan@google.com>
7240
7241         * arm.cc (Target_arm::arm_info): Initialize new fields
7242         attributes_section and attributes_vendor.
7243         * i386.cc (Target_i386::i386_info): Same.
7244         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7245         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7246         fields attributes_section and attributes_vendor.
7247         * sparc.cc (Target_sparc::sparc_info): Same.
7248         * target.h (Target::attributes_section, Target::attributes_vendor,
7249         Target::is_attributes_section, Target::attribute_arg_type,
7250         Target::attributes_order): New method definitions.
7251         (Target::Target_info::attributes_section,
7252         Target::Target_info::attributes_vendor): New fields.
7253         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7254         virtual method definitions.
7255         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7256         attributes_section and attributes_vendor.
7257         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7258
7259 2009-12-05  Doug Kwan  <dougkwan@google.com>
7260
7261         * arm.cc: Update comments about interworking and stub generation.
7262         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7263         considered as non-PIC.
7264         (Arm_relocate_functions::base_abs): Fix formatting.
7265         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7266         of function to use GOT entry address instead of offset.
7267         (Target_arm::Scan::global): Issue an error if a symbol would need a
7268         PLT does not get one because it is untyped.  Remove code to create
7269         dynamic symbols for relative branches.
7270         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7271         takes unsigned integer instead of boolean.
7272
7273 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7274
7275         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7276         (two_file_test_LDADD): Likewise.
7277         (common_test_1_LDADD): Likewise.
7278         (exception_test_LDADD) Likewise.
7279         (weak_test_LDADD): Likewise.
7280         (many_sections_test_LDADD): Likewise.
7281         (initpri1_LDADD): Likewise.
7282         (script_test_1_LDADD): Likewise.
7283         (script_test_2_LDADD): Likewise.
7284         (justsyms_LDADD): Likewise.
7285         (binary_test_LDADD): Likewise.
7286         (large_LDADD): Likewise.
7287         * testsuite/Makefile.in: Regenerated.
7288
7289 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7290
7291         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7292         (Symbol_table::override_with_special): Likewise.
7293         (Symbol_table::add_from_object): Likewise.
7294
7295 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7296
7297         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7298         Don't set the data_offset twice.
7299
7300 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7301
7302         * testsuite/Makefile.in: Regenerate.
7303
7304 2009-12-03  Doug Kwan  <dougkwan@google.com>
7305
7306         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7307         (Target_arm::do_finalize_sections): Add parameter for symbol table
7308         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7309         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7310         parameter for symbol table pointer.
7311         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7312         an additional parameter for a pointer to symbol table.
7313         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7314         parameter for a symbol table pointer.
7315         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7316         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7317         Ditto.
7318         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7319         parameter for a symbol table pointer.
7320
7321 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7322
7323         * incremental.cc (Incremental_inputs_header)
7324         (Incremental_inputs_header_write, Incremental_inputs_entry)
7325         (Incremental_inputs_entry_write): Move ...
7326         * incremental.h (Incremental_inputs_header)
7327         (Incremental_inputs_header_write, Incremental_inputs_entry)
7328         (Incremental_inputs_entry_write): here.
7329
7330 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7331
7332         * incremental.cc (make_sized_incremental_binary): Set the target.
7333         Error if it is incompatible.
7334         * output.h (Output_file): Add filename method.
7335
7336 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7337
7338         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7339         from the get_* methods.
7340
7341 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7342
7343         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7344         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7345         Write 0 for the data_offset of scripts.
7346
7347 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * testsuite/Makefile.am: Add the incremental_test.sh test.
7350         * testsuite/incremental_test.sh: New.
7351         * testsuite/incremental_test_1.c: New.
7352         * testsuite/incremental_test_2.c: New.
7353
7354 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7355
7356        * incremental-dump.cc (main): Fix typos.
7357
7358 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7359
7360         PR gold/11025
7361         * incremental-dump.cc (main): Use llu to print 64 bit values.
7362
7363 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7364             H.J. Lu  <hongjiu.lu@intel.com>
7365
7366         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7367         $(LIBDL).
7368         (incremental_dump_LDADD): Likewise.
7369         * Makefile.in: Regenerated.
7370
7371 2009-11-25  Doug Kwan  <dougkwan@google.com>
7372
7373         Revert:
7374
7375         2009-11-25  Doug Kwan  <dougkwan@google.com>
7376
7377                 * arm.cc (Target_arm::Target_arm): Move method definition
7378                 outside of class definition.  Add code to handle
7379                 --target1-rel, --target1-abs and --target2= options.
7380                 (Target_arm::get_reloc_reloc_type): Change method to be
7381                 non-static and const.
7382                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7383                 New data member declaration.
7384                 (Target_arm::Scan::local, Target_arm::Scan::global,
7385                 Target_arm::Relocate::relocate,
7386                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7387                 Adjust call to Target_arm::get_real_reloc_type.
7388                 (Target_arm::get_real_reloc_type): Use command line options
7389                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7390                 * options.h (--target1-rel, --target1-abs, --target2): New
7391                 ARM-only options.
7392
7393 2009-11-25  Doug Kwan  <dougkwan@google.com>
7394
7395         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7396         class definition.  Add code to handle --target1-rel, --target1-abs
7397         and --target2= options.
7398         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7399         and const.
7400         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7401         member declaration.
7402         (Target_arm::Scan::local, Target_arm::Scan::global,
7403         Target_arm::Relocate::relocate,
7404         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7405         call to Target_arm::get_real_reloc_type.
7406         (Target_arm::get_real_reloc_type): Use command line options to
7407         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7408         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7409         options.
7410
7411 2009-11-25  Doug Kwan  <dougkwan@google.com>
7412
7413         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7414         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7415         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7416         formatting.
7417         (Arm_relocate_functions::thm_call): Replace body with a call to
7418         Arm_relocate_functions::thumb_branch_common.
7419         (Arm_relocate_functions::thm_jump24,
7420         Arm_relocate_functions::thm_xpc22): New method definitions.
7421         (Arm_relocate_functions::thumb_branch_common): New method definition.
7422         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7423         operator.
7424         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7425         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7426
7427 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7428
7429         * Makefile.am: Build incremental-dump
7430         * Makefile.in: Regenerate.
7431         * incremental-dump.cc: New.
7432         * incremental.cc (Incremental_inputs_header_data,
7433         Incremental_inputs_entry_data): Move to incremental.h
7434         * incremental.h: (Incremental_inputs_header_data,
7435         Incremental_inputs_entry_data): Move from incremental.cc
7436
7437 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7438
7439         * incremental.cc (Incremental_inputs_header,
7440         Incremental_inputs_header_write, Incremental_inputs_entry,
7441         Incremental_inputs_entry_write): Add a typedef with the data type.
7442
7443 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7444
7445         * incremental.cc (Incremental_inputs_header,
7446         Incremental_inputs_header_write, Incremental_inputs_entry,
7447         Incremental_inputs_entry_write): Update comment about which
7448         type has the filed descriptions.
7449
7450 2009-11-15  Doug Kwan  <dougkwan@google.com>
7451
7452         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7453         (Arm_relocate_functions::arm_branch_common): Change method defintion
7454         in class definition to a method declaration and update list of formal
7455         parameters.
7456         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7457         Arm_relocation_functions::jump24): Adjust call to
7458         Arm_relocate_functions::arm_branch_common.  Update list of formal
7459         parameters.
7460         (Arm_relocate_functions::xpc25): New method definition.
7461         (Arm_relocate_functions::arm_branch_common): Move method defintion
7462         out from class definition.  Use stubs for mode-switching and extending
7463         branch ranges.
7464         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7465         specially.  Change code to enable use of stubs in ARM branches.
7466
7467 2009-11-10  Doug Kwan  <dougkwan@google.com>
7468
7469         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7470         in method declaration.
7471         (Target_arm::relocate_stub): New method declaration.
7472         (Target_arm::default_target): Change to return a pointer instead of
7473         a const reference.
7474         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7475         Target_arm::default_target.
7476         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7477         method definition.
7478         (Target_arm::relocate_section): Adjust view.
7479         (Target_arm::relocate_stub): New method definition.
7480
7481 2009-11-10  Doug Kwan  <dougkwan@google.com>
7482
7483         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7484         a format warning.
7485         * incremental.cc (open_incremental_binary): Initialized local
7486         variables to avoid warnings.
7487         * object.cc (make_elf_object): Ditto.
7488         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7489         a format warning.
7490
7491 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7492
7493         PR gold/10930
7494         * testsuite/plugin_test.c: Include "config.h".
7495
7496 2009-11-09  Doug Kwan  <dougkwan@google.com>
7497
7498         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7499         (arm_symbol_value): Remove.
7500         (Arm_relocate_functions::arm_branch_common,
7501         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7502         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7503         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7504         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7505         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7506         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7507         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7508         Arm_relocate_functions::thm_mobw_abs_nc,
7509         Arm_relocate_functions::thm_mov_abs,
7510         Arm_relocate_functions::movw_prel_nc,
7511         Arm_relocate_functions::thm_movt_abs,
7512         Arm_relocate_functions::movt_prel,
7513         Arm_relocate_functions::thm_movw_prel_nc,
7514         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7515         (Target_arm::Relocate::relocate): Only decompose address into two
7516         parts if relocation type uses the thumb-bit and pass the actual
7517         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7518         calls to methods in Arm_relocate_functions for this change.
7519
7520 2009-11-08  Ian Lance Taylor  <iant@google.com>
7521
7522         PR 10925
7523         * reloc.cc: Instantiate
7524         Sized_relobj::initialize_input_to_output_maps and
7525         Sized_relobj:free_input_to_output_maps.
7526
7527 2009-11-06  Ian Lance Taylor  <iant@google.com>
7528
7529         PR 10876
7530         * defstd.cc (in_segment): Set only_if_ref true for "end".
7531
7532 2009-11-06  Doug Kwan  <dougkwan@google.com>
7533
7534         * arm.cc (class Reloc_stub): Correct a comment.
7535         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7536         (Target_arm::scan_section_for_stubs): New method declaration.
7537         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7538         Change methods from private to protected.
7539         (Target_arm::do_may_relax): New method definition.
7540         (Target_arm::do_relax, Target_arm::group_sections,
7541         Target_arm::scan_reloc_for_stub,
7542         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7543         (Target_arm::arm_input_section_map_): New data member declaration.
7544         (Target_arm::scan_reloc_for_stub,
7545         Target_arm::scan_reloc_section_for_stubs,
7546         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7547         Target_arm::do_relax): New method definitions.
7548
7549 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7550
7551         * configure.ac: Check for (struct stat)::st_mtim
7552         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7553         * config.in: Regenerate.
7554         * configure: Regenerate.
7555
7556 2009-11-05  Ian Lance Taylor  <iant@google.com>
7557
7558         PR 10910
7559         * output.cc (Output_segment::add_output_section): Add missing
7560         return statement.
7561
7562 2009-11-04  Ian Lance Taylor  <iant@google.com>
7563
7564         PR 10880
7565         * object.h (class Object): Add is_needed and set_is_needed
7566         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7567         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7568         defined in a dynamic object and referenced by a regular object,
7569         set is_needed for the dynamic object.
7570         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7571         if the file is marked with as_needed and it is not needed.
7572
7573 2009-11-04  Ian Lance Taylor  <iant@google.com>
7574
7575         PR 10887
7576         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7577         tags if data is discarded by linker script.
7578         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7579         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7580         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7581         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7582
7583 2009-11-04  Ian Lance Taylor  <iant@google.com>
7584
7585         * layout.cc (Layout::get_output_section): Add is_interp and
7586         is_dynamic_linker_section parameters.  Change all callers.
7587         (Layout::choose_output_section): Likewise.
7588         (Layout::make_output_section): Likewise.
7589         (Layout::add_output_section_data): Add is_dynamic_linker_section
7590         parameter.  Change all callers.
7591         * layout.h (class Layout): Update declarations.
7592         * output.h (class Output_section): Add is_interp, set_is_interp,
7593         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7594         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7595         generate_code_fills_at_write_ to a bitfield.
7596         * output.cc (Output_section::Output_sections): Initialize new
7597         fields.
7598         (Output_segment::add_output_section): Add do_sort parameter.
7599         Change all callers.
7600
7601 2009-11-03  Ian Lance Taylor  <iant@google.com>
7602
7603         PR 10860
7604         * options.h (class General_options): Add --warn-common.
7605         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7606         merging two common symbols.
7607         (Symbol_table::should_override): Handle --warn-common when merging
7608         a common symbol with a defined symbol.  Use report_resolve_problem
7609         for multiple definitions.
7610         (Symbol_table::report_resolve_problem): New function.
7611         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7612
7613 2009-11-03  Doug Kwan  <dougkwan@google.com>
7614
7615         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7616         stub_factory_.
7617         (Target_arm::stub_factory): New method definition.
7618         (Target_arm::new_arm_input_section,
7619         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7620         Target_arm::reloc_uses_thumb_bit): New method declarations.
7621         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7622         New type definitions.
7623         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7624         member declarations.
7625         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7626         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7627         New method definitions.
7628
7629 2009-11-03  Ian Lance Taylor  <iant@google.com>
7630
7631         * options.h (class General_options): Add --warn_constructors.
7632
7633 2009-11-03  Ian Lance Taylor  <iant@google.com>
7634
7635         PR 10893
7636         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7637         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7638
7639 2009-11-03  Ian Lance Taylor  <iant@google.com>
7640
7641         PR 10895
7642         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7643         --msgid-bugs-address.
7644         (install-pdf): New target.
7645         (install-data_yes): Look up one directory to find mkinstalldirs.
7646
7647 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7648
7649         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7650         tree.
7651
7652 2009-10-30  Doug Kwan  <dougkwan@google.com>
7653
7654         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7655
7656 2009-10-30  Doug Kwan  <dougkwan@google.com>
7657
7658         * arm.cc (Stub_addend_reader): New struct template definition
7659         and partial specializations.
7660         (Stub_addend_reader::operator()): New method definition for a
7661         partially specialized template.
7662
7663 2009-10-30  Doug Kwan  <dougkwan@google.com>
7664
7665         * arm.cc (Arm_relobj::processor_specific_flags): New method
7666         definition.
7667         (Arm_relobj::do_read_symbols): New method declaration.
7668         (Arm_relobj::processor_specific_flags_): New data member declaration.
7669         (Arm_dynobj): New class definition.
7670         (Target_arm::do_finalize_sections): Add input_objects parameter.
7671         (Target_arm::do_adjust_elf_header): New method declaration.
7672         (Target_arm::are_eabi_versions_compatible,
7673         (Target_arm::merge_processor_specific_flags): New method declaration.
7674         (Target_arm::do_make_elf_object): New overloaded method definitions
7675         and declaration.
7676         (Arm_relobj::do_read_symbols): New method definition.
7677         (Arm_dynobj::do_read_symbols): Ditto.
7678         (Target_arm::do_finalize_sections): Add input_objects parameters.
7679         Merge processor-specific flags from all input objects.
7680         (Target_arm::are_eabi_versions_compatible,
7681         Target_arm::merge_processor_specific_flags,
7682         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7683         New method definitions.
7684         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7685         Input_objects pointer type parameter.
7686         * layout.cc (Layout::finalize): Pass input objects to target's.
7687         finalize_sections function.
7688         * output.cc (Output_file_header::do_sized_write): Set ELF file
7689         header's processor-specific flags.
7690         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7691         Input_objects pointer type parameter.
7692         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7693         * target.h (Input_objects): New forward class declaration.
7694         (Target::processor_specific_flags,
7695         Target::are_processor_specific_flags_sect): New method definitions.
7696         (Target::finalize_sections): Add input_objects parameter.
7697         (Target::Target): Initialize processor_specific_flags_ and
7698         are_processor_specific_flags_set_.
7699         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7700         parameter.
7701         (Target::set_processor_specific_flags): New method definition.
7702         (Target::processor_specific_flags_,
7703         Target::are_processor_specific_flags_set_): New data member
7704         declarations.
7705         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7706         Input_objects pointer type parameter.
7707
7708 2009-10-30  Doug Kwan  <dougkwan@google.com>
7709
7710         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7711
7712 2009-10-28  Ian Lance Taylor  <iant@google.com>
7713
7714         * object.h (class Relobj): Drop options parameter from
7715         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7716         do_scan_relocs, do_relocate.  Change all callers.
7717         (class Sized_relobj): Drop options parameters from
7718         do_gc_process_relocs, do_scan_relocs, do_relocate,
7719         do_relocate_sections, relocate_sections, emit_relocs_scan,
7720         emit_relocs_scan_reltype.  Change all callers.
7721         (struct Relocate_info): Remove options field and all references to
7722         it.
7723         * reloc.h (class Read_relocs): Remove options constructor
7724         parameter and options_ field.  Change all callers.
7725         (class Gc_process_relocs, class Scan_relocs): Likewise.
7726         (class Relocate_task): Likewise.
7727         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7728         all callers.
7729         (scan_relocatable_relocs): Likewise.
7730         * target.h (class Sized_target): Remove options parameter from
7731         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7732         all callers.
7733         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7734         callers.
7735         * arm.cc: Update functions to remove options parameters.
7736         * i386.cc: Likewise.
7737         * powerpc.cc: Likewise.
7738         * sparc.cc: Likewise.
7739         * x86_64.cc: Likewise.
7740         * testsuite/testfile.cc: Likewise.
7741
7742 2009-10-28  Doug Kwan  <dougkwan@google.com>
7743
7744         * arm.cc (Arm_relobj): New class definition.
7745         (Arm_relobj::scan_sections_for_stubs,
7746         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7747         New method definitions.
7748
7749 2009-10-28  Cary Coutant  <ccoutant@google.com>
7750
7751         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7752         (Plugin::cleanup_done_): New member.
7753         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7754         (Plugin_manager::cleanup_done_): Remove.
7755         (Plugin_manager::add_input_file): Edit error message.
7756         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7757         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7758
7759 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7760
7761         * fileread.cc: (File_read::View::~View): Use the new
7762         data_ownership_ filed.
7763         (File_read::~File_read): Dispose the new whole_file_view_.
7764         (File_read::open): Mmap the whole file if needed.
7765         (File_read::open): Use whole_file_view_ instead of contents_.
7766         (File_read::find_view): Use whole_file_view_ if applicable.
7767         (File_read::do_read): Use whole_file_view_ instead of contents_.
7768         (File_read::make_view): Use whole_file_view_ instead of contents_,
7769         update File_read::View::View call.
7770         (File_read::find_or_make_view): Update File_read::View::View
7771         call.
7772         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7773         remove contents_
7774         (File_read::View::Data_ownership): New enum.
7775         (File_read::View::View): Replace bool mapped_ with Data_ownership
7776         argument.
7777         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7778         (File_read::View::data_ownership_): New field.
7779         (File_read::contents_): Remove (replaced by whole_file_view_).
7780         (File_read::whole_file_view_): New field.
7781         * options.h (class General_options): Add --keep-files-mapped.
7782
7783 2009-10-27  Cary Coutant  <ccoutant@google.com>
7784
7785         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7786         * testsuite/Makefile.am (plugin_test_5): New test case.
7787         * testsuite/Makefile.in: Regenerate.
7788
7789 2009-10-25  Doug Kwan  <dougkwan@google.com>
7790
7791         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7792         from private to protected to allow access by child class.
7793         (Sized_relobj::do_relocate_sections): New method declaration.
7794         (Sized_relobj::relocate_sections): Virtualize.
7795         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7796         Sized_relobj::relocate_sections.  Instantiate template explicitly
7797         for different target sizes and endianity.
7798
7799 2009-10-24  Doug Kwan  <dougkwan@google.com>
7800
7801         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7802         (Arm_input_section::as_arm_input_section): New method.
7803         (Arm_output_section): New class definition.
7804         (Arm_output_section::create_stub_group,
7805         Arm_output_section::group_sections): New method definitions.
7806
7807 2009-10-22  Doug Kwan  <dougkwan@google.com>
7808
7809         * arm.cc (Arm_input_section): New class definition.
7810         (Arm_input_section::init, Arm_input_section:do_write,
7811         Arm_input_section::set_final_data_size,
7812         Arm_input_section::do_reset_address_and_file_offset): New method
7813         definitions.
7814
7815 2009-10-21  Doug Kwan  <dougkwan@google.com>
7816
7817         * arm.cc (Stub_table, Arm_input_section): New forward class
7818         declarations.
7819         (Stub_table): New class defintion.
7820         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7821         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7822         New method definition.
7823
7824 2009-10-21  Doug Kwan  <dougkwan@google.com>
7825
7826         * arm.cc: Update copyright comments.
7827         (Target_arm): New forward class template declaration.
7828         (Arm_address): New type.
7829         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7830         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7831         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7832         constants.
7833         (Insn_template): Same.
7834         (DEF_STUBS): New macro.
7835         (Stub_type): New enum type.
7836         (Stub_template): New class definition.
7837         (Stub): Same.
7838         (Reloc_stub): Same.
7839         (Stub_factory): Same.
7840         (Target_arm::Target_arm): Initialize may_use_blx_ and
7841         should_force_pic_veneer_.
7842         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7843         Target_arm::should_force_pic_veneer,
7844         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7845         Target_arm::using_thumb_only, Target_arm:;default_target): New
7846         method defintions.
7847         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7848         New data member declarations.
7849         (Insn_template::size, Insn_template::alignment): New method defintions.
7850         (Stub_template::Stub_template): New method definition.
7851         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7852         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7853         (Stub_factory::Stub_factory): New method definition.
7854         * gold.h (string_hash): New template.
7855         * output.h (Input_section_specifier::hash_value): Use
7856         gold::string_hash.
7857         (Input_section_specifier::string_hash): Remove.
7858         * stringpool.cc (Stringpool_template::string_hash): Use
7859         gold::string_hash.
7860
7861 2009-10-20  Doug Kwan  <dougkwan@google.com>
7862
7863         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7864         symbols of relaxed input sections.
7865         * output.h (Output_section::find_relaxed_input_section): Make
7866         method public.
7867
7868 2009-10-16  Doug Kwan  <dougkwan@google.com>
7869
7870         * dynobj.cc (Versions::Versions): Initialize version_script_.
7871         Only insert base version symbol definition for a shared object
7872         if version script defines any version versions.
7873         (Versions::define_base_version): New method definition.
7874         (Versions::add_def): Check that base version is not needed.
7875         (Versions::add_need): Define base version lazily.
7876         * dynobj.h (Versions::define_base_version): New method declaration.
7877         (Versions::needs_base_version_): New data member declaration.
7878         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7879         (check_DATA): Add no_version_test.stdout.
7880         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7881         New make rules.
7882         * testsuite/Makefile.in: Regenerate.
7883         * testsuite/no_version_test.c: New file.
7884         * testsuite/no_version_test.sh: Ditto.
7885
7886 2009-10-16  Doug Kwan  <dougkwan@google.com>
7887
7888         * expression.cc (class Segment_start_expression): New class definition.
7889         (Segment_start_expression::value): New method definition.
7890         (script_exp_function_segment_start): Return a new
7891         Segment_start_expression.
7892         * gold/script-c.h (script_saw_segment_start_expression): New function
7893         prototype.
7894         * script-sections.cc (Script_sections::Script_sections): Initialize
7895         SAW_SEGMENT_START_EXPRESSION_ to false.
7896         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7897         and -Tbbs options to specify section addresses if given in
7898         command line and no SEGMENT_START expression is seen in a script.
7899         * script-sections.h (Script_sections::saw_segment_start_expression,
7900         Script_sections::set_saw_segment_start_expression): New method
7901         definition.
7902         (Script_sections::saw_segment_start_expression_): New data member
7903         declaration.
7904         * script.cc (script_saw_segment_start_expression): New function.
7905         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7906         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7907         script_test_7.sh and script_test_8.sh.
7908         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7909         script_test_8.stdout.
7910         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7911         (script_test_6, script_test_6.stdout, script_test_7,
7912         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7913         * Makefile.in: Regenerate.
7914         * testsuite/script_test_6.sh: New file.
7915         * testsuite/script_test_6.t: Same.
7916         * testsuite/script_test_7.sh: Same.
7917         * testsuite/script_test_7.t: Same.
7918         * testsuite/script_test_8.sh: Same.
7919
7920 2009-10-16  Doug Kwan  <dougkwan@google.com>
7921
7922         * output.cc (Output_segment::set_section_list_address): Cast
7923         expressions to unsigned long long type to avoid format warnings.
7924
7925 2009-10-15  Ian Lance Taylor  <iant@google.com>
7926
7927         * script.cc (Script_options::add_symbol_assignment): Always add a
7928         dot assignment to script_sections_.
7929         * script-sections.cc (Script_sections::add_dot_assignment):
7930         Initialize if necessary.
7931
7932         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7933         program headers with no load segment if there is a linker script.
7934
7935         * layout.cc (Layout::set_segment_offsets): Align the file offset
7936         to the segment aligment for -N or -n with no load segment.
7937         * output.cc (Output_segment::add_output_section): Don't crash if
7938         the first section is a TLS section.
7939         (Output_segment::set_section_list_addresses): Print an error
7940         message if the address moves backward in a linker script.
7941         * script-sections.cc
7942         (Output_section_element_input::set_section_addresses): Don't
7943         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7944         (Orphan_output_section::set_section_addresses): Likewise.
7945
7946 2009-10-15  Doug Kwan  <dougkwan@google.com>
7947
7948         * layout.cc (Layout::finish_dynamic_section): Generate tags
7949         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7950         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7951         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7952
7953 2009-10-14  Ian Lance Taylor  <iant@google.com>
7954
7955         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7956         fields.
7957         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7958         data_shdr fields of relinfo.
7959         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7960         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7961         R_386_TLS_LDO_32, adjust based on section flags.
7962         (Target_i386::Relocate::fix_up_ldo): Remove.
7963
7964 2009-10-13  Ian Lance Taylor  <iant@google.com>
7965
7966         Add support for -pie.
7967         * options.h (class General_options): Add -pie and
7968         --pic-executable.
7969         (General_options::output_is_position_independent): Test -pie.
7970         (General_options::output_is_executable): Return true if not shared
7971         and not relocatable.
7972         (General_options::output_is_pie): Remove.
7973         * options.cc (General_options::finalize): Reject incompatible uses
7974         of -pie.
7975         * gold.cc (queue_middle_tasks): A -pie link is not static.
7976         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7977         * symtab.cc (Symbol::final_value_is_known): Return false if
7978         output_is_position_independent.
7979         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7980         output_is_position_independent.
7981         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7982         output_is_position_independent.
7983         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7984         output_is_position_independent.
7985         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7986         two_file_pie_test.
7987         (basic_pie_test.o, basic_pie_test): New targets.
7988         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7989         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7990         (two_file_pie_test): New target.
7991         * testsuite/Makefile.in: Rebuild.
7992         * README: Remove note saying that -pie is not supported.
7993
7994 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
7995
7996         * options.h (class General_options): Add -init and -fini.
7997         * layout.cc (Layout::finish_dynamic_section): Emit
7998         given init and fini functions.
7999
8000 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8001
8002         * gc.h (gc_process_relocs): Check if icf is enabled using new
8003         function.
8004         * gold.cc (queue_initial_tasks): Likewise.
8005         (queue_middle_tasks): Likewise.
8006         * object.cc (do_layout): Likewise.
8007         * symtab.cc (is_section_folded): Likewise.
8008         * main.cc (main): Likewise.
8009         * reloc.cc (Read_relocs::run): Likewise.
8010         (Sized_relobj::do_scan_relocs): Likewise.
8011         * icf.cc (is_function_ctor_or_dtor): New function.
8012         (Icf::find_identical_sections): Check if function is ctor or dtor when
8013         safe icf is chosen.
8014         * options.h (General_options::icf): Change option to be an enum.
8015         (Icf_status): New enum.
8016         (icf_enabled): New method.
8017         (icf_safe_folding): New method.
8018         (set_icf_status): New method.
8019         (icf_status_): New variable.
8020         * (options.cc) (General_options::finalize): Set icf_status_.
8021         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8022         icf_test and icf_keep_unique_test to use the --icf enum flag.
8023         * testsuite/icf_safe_test.sh: New file.
8024         * testsuite/icf_safe_test.cc: New file.
8025
8026 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8027
8028         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8029         includes to gc.h and icf.h.
8030         * arm.cc: Include gc.h.
8031         * gold.cc: Likewise.
8032         * i386.cc: Likewise.
8033         * powerpc.cc: Likewise.
8034         * sparc.cc: Likewise.
8035         * x86_64.cc: Likewise.
8036         * gc.h: Include icf.h.
8037
8038 2009-10-11  Ian Lance Taylor  <iant@google.com>
8039
8040         * plugin.cc: Include "gold.h" before other header files.
8041
8042 2009-10-10  Chris Demetriou  <cgd@google.com>
8043
8044         * options.h (Input_file_argument::Input_file_type): New enum.
8045         (Input_file_argument::is_lib_): Replace with...
8046         (Input_file_argument::type_): New member.
8047         (Input_file_argument::Input_file_argument): Take Input_file_type
8048         'type' rather than boolean 'is_lib' as second argument.
8049         (Input_file_argument::is_lib): Use type_.
8050         (Input_file_argument::is_searched_file): New function.
8051         (Input_file_argument::may_need_search): Handle is_searched_file.
8052         * options.cc (General_options::parse_library): Support -l:filename.
8053         (General_options::parse_just_symbols): Update for Input_file_argument
8054         changes.
8055         (Command_line::process): Likewise.
8056         * archive.cc (Archive::get_file_and_offset): Likewise.
8057         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8058         * script.cc (read_script_file, script_add_file): Likewise.
8059         * fileread.cc (Input_file::Input_file): Likewise.
8060         (Input_file::will_search_for): Handle is_searched_file.
8061         (Input_file::open): Likewise.
8062         * readsyms.cc (Read_symbols::get_name): Likewise.
8063         * testsuite/Makefile.am (searched_file_test): New test.
8064         * testsuite/Makefile.in: Regenerate.
8065         * testsuite/searched_file_test.cc: New file.
8066         * testsuite/searched_file_test_lib.cc: New file.
8067
8068 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8069             Ian Lance Taylor  <iant@google.com>
8070
8071         * descriptor.cc: Include <cstdio> and "binary-io.h".
8072         (Descriptors::open): Open the files in binary mode always.
8073         * script.cc (Lex::get_token): Treat \r as whitespace.
8074
8075 2009-10-09  Ian Lance Taylor  <iant@google.com>
8076
8077         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8078
8079 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8080             Ian Lance Taylor  <iant@google.com>
8081
8082         * configure.ac: Check for readv function also.
8083         * fileread.cc (readv): Define if not HAVE_READV.
8084         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8085         does not exist.
8086         * config.in: Regenerate.
8087         * configure: Regenerate.
8088
8089 2009-10-09  Doug Kwan  <dougkwan@google.com>
8090
8091         * layout.cc (Layout::make_output_section): Call target hook to make
8092         ordinary output section.
8093         (Layout::finalize): Adjust parameter list of call the
8094         Target::may_relax().
8095         * layout.h (class Layout::section_list): New method.
8096         * merge.h (Output_merge_base::entsize): Change visibility to public.
8097         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8098         New methods.
8099         (Output_merge_string::do_is_string): New method.
8100         * object.cc (Sized_relobj::do_setup): renamed from
8101         Sized_relobj::set_up.
8102         * object.h (Sized_relobj::adjust_shndx,
8103         Sized_relobj::initializ_input_to_output_maps,
8104         Sized_relobj::free_input_to_output_maps): Change visibilities to
8105         protected.
8106         (Sized_relobj::setup): Virtualize.
8107         (Sized_relobj::do_setup): New method declaration.
8108         (Sized_relobj::invalidate_section_offset,
8109         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8110         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8111         * options.cc (parse_int): New function.
8112         * options.h (parse_int): New declaration.
8113         (DEFINE_int): New macro.
8114         (stub_group_size): New option.
8115         * output.cc (Output_section::Output_section): Initialize memebers
8116         merge_section_map_, merge_section_by_properties_map_,
8117         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8118         (Output_section::add_input_section): Handled deferred code-fill
8119         generation and remove an old comment.
8120         (Output_section::add_relaxed_input_section): New method definition.
8121         (Output_section::add_merge_input_section): Use merge section by
8122         properties map to speed to search.  Update merge section maps
8123         as appropriate.
8124         (Output_section::build_relaxation_map): New method definition.
8125         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8126         Same.
8127         (Output_section::relax_input_section): Renamed to
8128         Output_section::convert_input_sections_to_relaxed_sections and change
8129         interface to take a vector of pointers to relaxed sections.
8130         (Output_section::find_merge_section,
8131         Output_section::find_relaxed_input_section): New method definitions.
8132         (Output_section::is_input_address_mapped,
8133         Output_section::output_offset, Output_section::output_address):
8134         Use output section data maps to speed up searching.
8135         (Output_section::find_starting_output_address): Add comments.
8136         (Output_section::do_write,
8137         Output_section::write_to_postprocessing_buffer): Do code-fill
8138         generation as appropriate.
8139         (Output_section::get_input_sections): Invalidate relaxed input section
8140         map.
8141         (Output_section::restore_states): Adjust type of checkpoint .
8142         Invalidate relaxed input section map.
8143         * output.h (Output_merge_base): New class declaration.
8144         (Input_section_specifier): New class defintion.
8145         (class Output_relaxed_input_section) Change base class to
8146         Output_section_data_build.
8147         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8148         base class initializer.
8149         (Output_section::add_relaxed_input_section): New method declaration.
8150         (Output_section::Input_section): Change visibility to protected.
8151         (Output_section::Input_section::relobj,
8152         Output_section::Input_section::shndx): Handle relaxed input sections.
8153         Output_section::input_sections) Change visibility to protected.  Also
8154         define overload to return a non-const pointer.
8155         (Output_section::Merge_section_properties): New class defintion.
8156         (Output_section::Merge_section_by_properties_map,
8157         Output_section::Output_section_data_by_input_section_map,
8158         Output_section::Relaxation_map): New types.
8159         (Output_section::relax_input_section): Rename method to
8160         Output_section::convert_input_sections_to_relaxed_sections and change
8161         interface to take a vector of relaxed section pointers.
8162         (Output_section::find_merge_section,
8163         Output_section::find_relaxed_input_section,
8164         Output_section::build_relaxation_map,
8165         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8166         New method declarations.
8167         (Output_section::merge_section_map_
8168         Output_section::merge_section_by_properties_map_,
8169         Output_section::relaxed_input_section_map_,
8170         Output_section::is_relaxed_input_section_map_valid_,
8171         Output_section::generate_code_fills_at_write_): New data members.
8172         * script-sections.cc
8173         (Output_section_element_input::set_section_addresses): Call
8174         current_data_size and addralign methods of relaxed input sections.
8175         (Orphan_output_section::set_section_addresses): Call current_data_size
8176         and addralign methods of relaxed input sections.
8177         * symtab.cc (Symbol_table::compute_final_value): Extract template
8178         from the body of Symbol_table::sized_finalize_symbol.
8179         (Symbol_table::sized_finalized_symbol): Call
8180         Symbol_table::compute_final_value.
8181         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8182         (Symbol_table::compute_final_value): New templated method declaration.
8183         * target.cc (Target::do_make_output_section): New method defintion.
8184         * target.h (Target::make_output_section): New method declaration.
8185         (Target::relax): Add more parameters for input objects, symbol table
8186         and layout.  Adjust call to do_relax.
8187         (Target::do_make_output_section): New method declaration.
8188         (Target::do_relax): Add parameters for input objects, symbol table
8189         and layout.
8190
8191 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8192
8193         * pread.c: Include stdio.h.
8194
8195 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8196
8197         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8198         defined.
8199
8200 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8201
8202         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8203         Change read_shndx type to unsigned int.
8204         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8205         int.
8206         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8207         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8208         Change read_shndx type to unsigned int.
8209         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8210         int.
8211         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8212         * layout.cc (Layout::create_symtab_sections): Cast the result of
8213         local_symcount * symsize to off_t in the gold_assert.
8214
8215 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8216
8217         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8218         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8219         R_ARM_BASE_ABS.
8220         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8221         (Arm_relocate_functions::thm_abs5): New function.
8222         (Arm_relocate_functions::abs12): New function.
8223         (Arm_relocate_functions::abs16): New function.
8224         (Arm_relocate_functions::base_abs): New function.
8225         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8226         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8227         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8228         R_ARM_BASE_ABS.
8229         (Scan::global): Likewise.
8230         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8231         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8232         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8233         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8234         R_ARM_BASE_ABS.
8235
8236 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8237
8238         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8239         (Arm_relocate_functions::movt_prel): New function.
8240         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8241         (Arm_relocate_functions::thm_movt_prel): New function.
8242         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8243         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8244         (Scan::global, Relocate::relocate): Likewise.
8245         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8246
8247 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8248
8249         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8250         Incremental_checker.
8251         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8252         unsigned int.
8253         (class Incremental_inputs_header): New class.
8254         (Incremental_inputs_header_writer): Edit comment.
8255         (Incremental_inputs_entry): New class.
8256         (Incremental_inputs_entry_writer): Edit comment.
8257         (Sized_incremental_binary::do_find_incremental_inputs_section):
8258         Add *strtab_shndx parameter, fill it.
8259         (Sized_incremental_binary::do_check_inputs): New method.
8260         (Incremental_checker::can_incrementally_link_output_file): Use
8261         Sized_incremental_binary::check_inputs.
8262         (Incremental_inputs::report_command_line): Save command line in
8263         command_line_.
8264         * incremental.h:
8265         (Incremental_binary::find_incremental_inputs_section): New
8266         method.
8267         (Incremental_binary::do_find_incremental_inputs_section): Add
8268         strtab_shndx parameter.
8269         (Incremental_binary::do_check_inputs): New pure virtual method.
8270         (Sized_incremental_binary::do_check_inputs): Declare.
8271         (Incremental_checker::Incremental_checker): Add incremental_inputs
8272         parameter, use it to initialize incremental_inputs_.
8273         (Incremental_checker::incremental_inputs_): New field.
8274         (Incremental_checker::command_line): New method.
8275         (Incremental_checker::inputs): New method.
8276         (Incremental_checker::command_line_): New field.
8277
8278 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8279
8280         * incremental.cc: Include <cstdarg> and "target-select.h".
8281         (vexplain_no_incremental): New function.
8282         (explain_no_incremental): New function.
8283         (Incremental_binary::error): New method.
8284         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8285         method.
8286         (make_sized_incremental_binary): New function.
8287         (open_incremental_binary): New function.
8288         (can_incrementally_link_file): Add checks if output is ELF and has
8289         inputs section.
8290         * incremental.h: Include "elfcpp_file.h" and "output.h".
8291         (Incremental_binary): New class.
8292         (Sized_incremental_binary): New class.
8293         (open_incremental_binary): Declare.
8294         * object.cc (is_elf_object): Use
8295         elfcpp::Elf_recognizer::is_elf_file.
8296         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8297         * output.h (Output_file::filesize): New method.
8298
8299 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8300
8301         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8302         New function.
8303         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8304         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8305         function.
8306         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8307         function.
8308         (Arm_relocate_functions::movw_abs_nc): New function.
8309         (Arm_relocate_functions::movt_abs): New function.
8310         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8311         (Arm_relocate_functions::thm_movt_abs): New function.
8312         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8313         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8314         (Scan::global): Likewise.
8315         (Relocate::relocate): Likewise.
8316         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8317
8318 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8319
8320         * arm.cc (Arm_relocate_functions::got_prel) New function.
8321         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8322         (Relocate::relocate): Likewise.
8323         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8324
8325 2009-10-06  Ian Lance Taylor  <iant@google.com>
8326
8327         * options.h (class General_options): Define
8328         split_stack_adjust_size parameter.
8329         * object.h (class Object): Add uses_split_stack_ and
8330         has_no_split_stack_ fields.  Add uses_split_stack and
8331         has_no_split_stack accessor functions.  Declare
8332         handle_split_stack_section.
8333         (class Reloc_symbol_changes): Define.
8334         (class Sized_relobj): Define Function_offsets.  Declare
8335         split_stack_adjust, split_stack_adjust_reltype, and
8336         find_functions.
8337         * object.cc (Object::handle_split_stack_section): New function.
8338         (Sized_relobj::do_layout): Call handle_split_stack_section.
8339         * dynobj.cc (Sized_dynobj::do_layout): Call
8340         handle_split_stack_section.
8341         * reloc.cc (Sized_relobj::relocate_sections): Call
8342         split_stack_adjust for executable sections in split_stack
8343         objects.  Pass reloc_map to relocate_section.
8344         (Sized_relobj::split_stack_adjust): New function.
8345         (Sized_relobj::split_stack_adjust_reltype): New function.
8346         (Sized_relobj::find_functions): New function.
8347         * target-reloc.h: Include "object.h".
8348         (relocate_section): Add reloc_symbol_changes parameter.  Change
8349         all callers.
8350         * target.h (class Target): Add calls_non_split method.  Declare
8351         do_calls_non_split virtual method.  Declare match_view and
8352         set_view_to_nop.
8353         * target.cc: Include "elfcpp.h".
8354         (Target::do_calls_non_split): New function.
8355         (Target::match_view): New function.
8356         (Target::set_view_to_nop): New function.
8357         * gold.cc (queue_middle_tasks): Give an error if mixing
8358         split-stack and non-split-stack objects with -r.
8359         * i386.cc (Target_i386::relocate_section): Add
8360         reloc_symbol_changes parameter.
8361         (Target_i386::do_calls_non_split): New function.
8362         * x86_64.cc (Target_x86_64::relocate_section): Add
8363         reloc_symbol_changes parameter.
8364         (Target_x86_64::do_calls_non_split): New function.
8365         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8366         parameter.
8367         * powerpc.cc (Target_powerpc::relocate_section): Add
8368         reloc_symbol_changes parameter.
8369         * sparc.cc (Target_sparc::relocate_section): Add
8370         reloc_symbol_changes parameter.
8371         * configure.ac: Call AM_CONDITIONAL for the default target.
8372         * configure: Rebuild.
8373         * testsuite/Makefile.am (TEST_AS): New variable.
8374         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8375         (check_DATA): Add split_i386 and split_x86_64 files.
8376         (SPLIT_DEFSYMS): Define.
8377         (split_i386_[1234n].o): New targets.
8378         (split_i386_[124]): New targets.
8379         (split_i386_[1234r].stdout): New targets.
8380         (split_x86_64_[1234n].o): New targets.
8381         (split_x86_64_[124]): New targets.
8382         (split_x86_64_[1234r].stdout): New targets.
8383         (MOSTLYCLEANFILES): Add new executables.
8384         * testsuite/split_i386.sh: New file.
8385         * testsuite/split_x86_64.sh: New file.
8386         * testsuite/split_i386_1.s: New file.
8387         * testsuite/split_i386_2.s: New file.
8388         * testsuite/split_i386_3.s: New file.
8389         * testsuite/split_i386_4.s: New file.
8390         * testsuite/split_i386_n.s: New file.
8391         * testsuite/split_x86_64_1.s: New file.
8392         * testsuite/split_x86_64_2.s: New file.
8393         * testsuite/split_x86_64_3.s: New file.
8394         * testsuite/split_x86_64_4.s: New file.
8395         * testsuite/split_x86_64_n.s: New file.
8396         * testsuite/testfile.cc (Target_test): Update relocation_section
8397         function.
8398         * testsuite/Makefile.in: Rebuild.
8399
8400 2009-10-06  Ian Lance Taylor  <iant@google.com>
8401
8402         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8403         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8404         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8405         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8406         the address on ldo_addrs_.
8407         (Target_i386::Relocate::fix_up_ldo): New function.
8408
8409 2009-10-06   Rafael Espindola  <espindola@google.com>
8410
8411         * plugin.cc (add_input_library): New.
8412         (Plugin::load): Add add_input_library to tv.
8413         (Plugin_manager::add_input_file): Add the is_lib argument.
8414         (add_input_file): Update call to Plugin_manager::add_input_file.
8415         (add_input_library): New.
8416         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8417
8418 2009-09-30  Doug Kwan  <dougkwan@google.com>
8419
8420         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8421         symbol and call Symbol::may_need_copy_reloc to determine if
8422         a copy reloc is needed.
8423         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8424         nocopyreloc is given in command line.
8425         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8426         given in command line.
8427         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8428         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8429         of the removed Target_i386::may_need_copy_reloc.
8430         * options.h (copyreloc): New option with default value false.
8431         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8432         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8433         instead of the removed Target_powerpc::may_need_copy_reloc.
8434         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8435         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8436         instead of the removed Target_sparc::may_need_copy_reloc.
8437         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8438         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8439         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8440         instead of the removed Target_x86_64::may_need_copy_reloc.
8441
8442 2009-09-30  Ian Lance Taylor  <iant@google.com>
8443
8444         * object.h (class Object): Remove target_ field, and target,
8445         sized_target, and set_target methods.
8446         (Object::sized_target): Remove.
8447         (class Sized_relobj): Update declarations.  Remove sized_target.
8448         * object.cc (Sized_relobj::setup): Remove target parameter.
8449         Change all callers.
8450         (Input_objects::add_object): Don't do anything with the target.
8451         (make_elf_sized_object): Add punconfigured parameter.  Change all
8452         callers.  Set or test parameter target.
8453         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8454         Change all callers.
8455         * parameters.cc (Parameters::set_target): Change parameter type to
8456         be non-const.
8457         (Parameters::default_target): Remove.
8458         (set_parameters_target): Change parameter type to be non-const.
8459         (parameters_force_valid_target): New function.
8460         (parameters_clear_target): New function.
8461         * parameters.h (class Parameters): Update declarations.  Remove
8462         default_target method.  Add sized_target and clear_target
8463         methods.  Change target_ to be non-const.
8464         (set_parameters_target): Update declaration.
8465         (parameters_force_valid_target): Declare.
8466         (parameters_clear_target): Declare.
8467         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8468         as NULL if we aren't searching.
8469         (Add_symbols::run): Don't check for compatible target.
8470         * fileread.cc (Input_file::open_binary): Call
8471         parameters_force_valid_target.
8472         * gold.cc (queue_middle_tasks): Likewise.
8473         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8474         set_target on object.
8475         * dynobj.h (class Sized_dynobj): Update declarations.
8476         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8477         make_elf_object returns NULL.
8478         (Archive::include_member): Don't check whether object target is
8479         compatible.
8480         * output.cc (Output_section::add_input_section): Get target from
8481         parameters.
8482         (Output_section::relax_input_section): Likewise.
8483         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8484         parameters.
8485         (Sized_relobj::do_scan_relocs): Likewise.
8486         (Sized_relobj::relocate_sections): Likewise.
8487         * resolve.cc (Symbol_table::resolve): Likewise.
8488         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8489         parameter.  Change all callers.
8490         (Symbol_table::add_from_object): Get target from parameters.
8491         (Symbol_table::add_from_relobj): Don't check object target.
8492         (Symbol_table::add_from_dynobj): Likewise.
8493         (Symbol_table::define_special_symbol): Get target from
8494         parameters.
8495         * symtab.h (class Symbol_table): Update declaration.
8496         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8497         parameter.  Change all callers.  Clear parameter target.
8498         (Binary_test): Test target here.
8499         * testsuite/object_unittest.cc (gold_testsuite): Remove
8500         target_test_pointer parameter.  Change all callers.
8501         (Object_test): Test target here.
8502
8503 2009-09-26  Ian Lance Taylor  <iant@google.com>
8504
8505         * testsuite/initpri1.c: Don't try to use constructor priorities if
8506         compiling with gcc before 4.3.
8507
8508 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8509
8510         * testsuite/retain_symbols_file_test.sh (check_present): Change
8511         output file name to retain_symbols_file_test.stdout.
8512         (check_absent): Likewise.
8513
8514 2009-09-18  Craig Silverstein  <csilvers@google.com>
8515
8516         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8517         * options.cc: Include <cerrno> and <fstream>.
8518         (General_options::finalize): Parse -retain-symbols-file tag.
8519         * options.h: New flag.
8520         (General_options): New method should_retain_symbol, new
8521         variable symbols_to_retain.
8522         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8523         should_retain_symbol map.
8524         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8525         * testsuite/Makefile.in: Regenerate.
8526         * testsuite/retain_symbols_file_test.sh: New file.
8527
8528 2009-09-18  Nick Clifton  <nickc@redhat.com>
8529
8530         * po/es.po: Updated Spanish translation.
8531
8532 2009-09-17  Doug Kwan  <dougkwan@google.com>
8533
8534         * debug.h (DEBUG_RELAXATION): New constant.
8535         (DEBUG_ALL): Add DEBUG_RELAXATION.
8536         (debug_string_to_enum): Add relaxation debug option.
8537         * layout.cc
8538         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8539         Layout::Relaxation_debug_check::read_sections,
8540         Layout::Relaxation_debug_check::read_sections): New method definitions.
8541         (Layout::Layout): Initialize data members
8542         record_output_section_data_from_scrips_,
8543         script_output_section_data_list_ and relaxation_debug_check_.
8544         (Layout::save_segments, Layout::restore_segments,
8545         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8546         Layout::relaxation_loop_body): New method definitions.
8547         (Layout::finalize): Support relaxation.  Move section layout code to
8548         Layout::relaxation_loop_body.
8549         (Layout::set_asection_address_from_script): Move code for orphan
8550         section placement out.
8551         (Layout::place_orphan_sections_in_script): New method definition.
8552         * layout.h (Output_segment_headers, Output_file_header):
8553         New forward class declarations.
8554         (Layout::~Layout): Define.
8555         (Layout::new_output_section_data_from_script): New method definition.
8556         (Layout::place_orphan_sections_in_script): New method declaration.
8557         (Layout::Segment_states): New type declaration.
8558         (Layout::save_segments, Layout::restore_segments,
8559         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8560         Layout::relaxation_loop_body): New method declarations.
8561         (Layout::Output_section_data_list): New type declaration.
8562         (Layout::Relaxation_debug_check): New class definition.
8563         (Layout::record_output_section_data_from_script_,
8564         Layout::script_output_section_data_list_, Layout::segment_states_,
8565         Layout::relaxation_debug_check_): New data members.
8566         * output.cc: (Output_section_headers::do_size): New method definition.
8567         (Output_section_headers::Output_section_headers): Move size
8568         computation to Output_section_headers::do_size.
8569         (Output_segment_headers::do_size): New method definition.
8570         (Output_file_header::Output_file_header): Move size computation to
8571         Output_file_header::do_size and call it.
8572         (Output_file_header::do_size): New method definition.
8573         (Output_data_group::Output_data_group): Adjust call to
8574         Output_section_data.
8575         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8576         (Output_symtab_xindex::do_write): Add array bound check.
8577         (Output_section::Input_section::print_to_mapfile): Handle
8578         RELAXED_INPUT_SECTION_CODE.
8579         (Output_section::Output_section): Initialize data member checkpoint_.
8580         (Output_section::~Output_section): Delete checkpoint object pointed
8581         by checkpoint_.
8582         (Output_section::add_input_section): Always add an Input_section if
8583         relaxing.
8584         (Output_section::add_merge_input_section): Add assert.
8585         (Output_section::relax_input_section): New method definition.
8586         (Output_section::set_final_data_size): Set load address to zero for
8587         an unallocated section.
8588         (Output_section::do_address_and_file_offset_have_reset_values):
8589         New method definition.
8590         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8591         Handle relaxed input section.
8592         (Output_section::sort_attached_input_sections): Checkpoint input
8593         section list lazily.
8594         (Output_section::get_input_sections): Change type of input_sections to
8595         list of Simple_input_section pointers.  Checkpoint input section list
8596         lazily.  Also handle relaxed input sections.
8597         (Output_section::add_input_section_for_script): Take a reference to
8598         a Simple_input_section object instead of Relobj pointer and section
8599         index as parameter.  Handle relaxed input sections.
8600         (Output_section::save_states, Output_section::restore_states): New
8601         method definitions.
8602         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8603         (Output_data::is_data_size_fixed): New method definition.
8604         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8605         if it is fixed.
8606         (Output_data::address_and_file_offset_have_reset_values): New method
8607         definition.
8608         (Output_data::do_address_and_file_offset_have_reset_values): New method
8609         definition.
8610         (Output_data::set_data_size): Check that data size is not fixed.
8611         (Output_data::fix_data_size): New method definition.
8612         (Output_data::is_data_size_fixed_): New data member.
8613         (Output_section_headers::set_final_data_size): New method definition.
8614         (Output_section_headers::do_size): New method declaration.
8615         (Output_segment_headers::set_final_data_size): New method definition.
8616         (Output_segment_headers::do_size): New method declaration.
8617         (Output_file_header::set_final_data_size)::New method definition.
8618         (Output_file_header::do_size)::New method declaration.
8619         (Output_section_data::Output_section_data): Add new parameter
8620         is_data_size_fixed and use it to fix data size.
8621         (Output_data_const::Output_data_const): Adjust call to base class
8622         constructor and fix data size.
8623         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8624         base class constructor and fix data size.
8625         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8626         base class constructor and fix data size.
8627         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8628         class constructor and fix data size.
8629         (Output_data_group::set_final_data_size): New method definition.
8630         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8631         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8632         class constructor and fix data size.
8633         (Output_relaxed_input_section): New class definition.
8634         (Output_section::Simple_input_section): New class definition.
8635         (Output_section::get_input_sections): Adjust parameter list.
8636         (Output_section::add_input_section_for_script): Same.
8637         (Output_section::save_states, Output_section::restore_states,
8638         Output_section::do_address_and_file_offset_have_reset_values,
8639         (Output_section::Input_section::Input_section): Handle
8640         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8641         Output_relaxed_input_section.
8642         (Output_section::Input_section::is_input_section,
8643         Output_section::Input_section::set_output_section): Handle relaxed
8644         input section.
8645         (Output_section::Input_section::is_relaxed_input_section,
8646         Output_section::Input_section::output_section_data,
8647         Output_section::Input_section::relaxed_input_section): New method
8648         definitions.
8649         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8650         value.
8651         (Output_section::Input_section::u1_): Update comments.
8652         (Output_section::Input_section::u2_): Add new union member poris.
8653         (Output_section::Checkpoint_output_section): New classs definition.
8654         (Output_section::relax_input_section): New method declaration.
8655         (Output_section::checkpoint_): New data member.
8656         (Output_segment): Update comments.
8657         (Output_segment::Output_segment): Un-privatize copy constructor.
8658         (Output_segment::operator=): Un-privatize.
8659         * script-sections.cc (Output_section_element::Input_section_list):
8660         Change element type to Output_section::Simple_input_section.
8661         (Output_section_element_dot_assignment::set_section_addresses):
8662         Register output section data for relaxation clean up.
8663         (Output_data_exression::Output_data_expression): Adjust call to base
8664         constructor to fix data size.
8665         (Output_section_element_data::set_section_addresses): Register
8666         Output_data_expression object for relaxation clean up.
8667         (struct Input_section_info): Replace Relobj pointer and section index
8668         pair with Output_section::Simple_input_section and Convert struct to a
8669         class.
8670         (Input_section_sorter::operator()): Adjust access to
8671         Input_section_info data member to use accessors.
8672         (Output_section_element_input::set_section_addresses): Use layout
8673         parameter.  Adjust code to use Output_section::Simple_input_section
8674         and Input_secction_info classes.  Register filler for relaxation
8675         clean up.
8676         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8677         and section index pair with Output_section::Simple_input_section
8678         class.  Adjust code accordingly.
8679         (Phdrs_element::release_segment): New method definition.
8680         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8681         segment list.
8682         (Script_sections::release_segments): New method definition.
8683         * gold/script-sections.h (Script_sections::release_segments): New
8684         method declaration.
8685         * gold/target.h (Target::may_relax, Target::relax,
8686         Target::do_may_relax, Target::do_relax): New method definitions.
8687
8688 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8689
8690         * arm.cc (has_signed_unsigned_overflow): New function.
8691         (Arm_relocate_functions::abs8): New function.
8692         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8693         (Target_arm::Scan::global): Likewise.
8694         (Target_arm::relocate::relocate): Likewise.
8695         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8696         Likewise.
8697
8698 2009-09-16  Cary Coutant  <ccoutant@google.com>
8699
8700         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8701         * testsuite/Makefile.in: Regenerate.
8702
8703 2009-09-11  Nick Clifton  <nickc@redhat.com>
8704
8705         * po/gold.pot: Updated by the Translation project.
8706
8707 2009-09-08  Cary Coutant  <ccoutant@google.com>
8708
8709         * output.cc (Output_file::open): Add execute permission to empty file.
8710         * testsuite/Makefile.am (permission_test): New test.
8711         * testsuite/Makefile.in: Regenerate.
8712
8713 2009-09-02  Ian Lance Taylor  <iant@google.com>
8714
8715         * output.cc (Output_file::resize): Call map_no_anonymous rather
8716         than map.
8717
8718 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8719
8720         * gold.cc: Include "incremental.h".
8721         (queue_initial_tasks): Call Incremental_checker methods.
8722         * incremental.cc: Include "output.h".
8723         (Incremental_checker::can_incrementally_link_output_file): New
8724         method.
8725         * incremental.h (Incremental_checker): New class.
8726
8727         * output.cc (Output_file::open_for_modification): New method.
8728         (Output_file::map_anonymous): Changed return type to bool.  Record
8729         map in base_ field.
8730         (Output_file::map_no_anonymous): New method, broken out of map.
8731         (Output_file::map): Use map_no_anonymous and map_anonymous.
8732         * output.h (class Output_file): Update declarations.
8733
8734 2009-08-24  Cary Coutant  <ccoutant@google.com>
8735
8736         * options.h (Command_line::Pre_options): New class.
8737         (Command_line::pre_options): New member.
8738         * options.cc (gold::options::ready_to_register): New variable.
8739         (One_option::register_option): Do nothing if not registering options.
8740         Assert if same short option registered twice.
8741         (General_options::General_options): Turn off option registration when
8742         done constructing.
8743         (Command_line::Pre_options::Pre_options): New constructor.
8744
8745 2009-08-24  Cary Coutant  <ccoutant@google.com>
8746
8747         * options.h (General_options::no_keep_memory): Remove incorrect
8748         short option.
8749
8750 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8751
8752         * Makefile.am (am__skiplex, am__skipyacc): New.
8753         * Makefile.in: Regenerate.
8754
8755 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8756
8757         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8758         (INCLUDES): ... this.
8759         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8760         (AM_CPPFLAGS): Renamed from ...
8761         (INCLUDE): ... this.
8762         * Makefile.in, testsuite/Makefile.in: Regenerate.
8763
8764         * Makefile.in: Regenerate.
8765         * aclocal.m4: Likewise.
8766         * config.in: Likewise.
8767         * configure: Likewise.
8768         * testsuite/Makefile.in: Likewise.
8769
8770         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8771         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8772         * Makefile.in: Regenerate.
8773         * testsuite/Makefile.in: Regenerate.
8774
8775 2009-08-19  Cary Coutant  <ccoutant@google.com>
8776
8777         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8778         symbols in shared libraries overridden by hidden or internal symbols
8779         in the main program.
8780
8781 2009-08-19  Chris Demetriou  <cgd@google.com>
8782
8783         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8784         checking source file names in error messages.
8785
8786 2009-08-18  Doug Kwan  <dougkwan@google.com>
8787
8788         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8789         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8790         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8791         an elfcpp::Ehdr as parameter.
8792         * object.cc (Object::set_target): Remove the version that looks up
8793         a target and sets it.
8794         (Sized_relobj::setup): Take a Target object instead of
8795         an elfcpp::Ehdr as parameter.  Adjust call to set_target.
8796         (make_elf_sized_object): Find target and ask target to
8797         make an ELF object.
8798         * object.h: (Object::set_target): Remove the version that looks up
8799         a target and sets it.
8800         (Sized_relobj::setup): Take a Target object instead of
8801         an elfcpp:Ehdr as parameter.
8802         * target.cc: Include dynobj.h.
8803         (Target::do_make_elf_object_implementation): New.
8804         (Target::do_make_elf_object): New.
8805         * target.h (Target::make_elf_object): New template declaration.
8806         (Target::do_make_elf_object): New method declarations.
8807         (Target::do_make_elf_object_implementation): New template declaration.
8808
8809 2009-08-14  Ian Lance Taylor  <iant@google.com>
8810
8811         * gold.h (FUNCTION_NAME): Define.
8812         (gold_unreachable): Use FUNCTION_NAME.
8813
8814 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8815
8816         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8817         symbol in the --keep-unique list is not found.
8818
8819 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8820
8821         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8822         been maked as --keep-unique.
8823         (Icf::unfold_section): New function.
8824         * icf.h (Icf::unfold_section): New function.
8825         * options.h (General_options::keep_unique): New option.
8826         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8827         * testsuite/Makefile.in: Regenerate.
8828         * testsuite/icf_keep_unique_test.sh: New file.
8829         * testsuite/icf_keep_unique_test.cc: New file.
8830
8831 2009-08-12  Cary Coutant  <ccoutant@google.com>
8832
8833         PR 10471
8834         * resolve.cc (Symbol_table::resolve): Check for references from
8835         dynamic objects to hidden and internal symbols.
8836         * testsuite/Makefile.am (hidden_test.sh): New test.
8837         * testsuite/Makefile.in: Regenerate.
8838         * testsuite/hidden_test.sh: New script.
8839         * testsuite/hidden_test_1.c: New test source.
8840         * testsuite/hidden_test_main.c: New test source.
8841
8842 2009-08-11  Doug Kwan  <dougkwan@google.com>
8843
8844         * arm.cc: Update comments.
8845         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8846         segment to locate the .ARM.exidx section if present.
8847
8848 2009-08-09  Doug Kwan  <dougkwan@google.com>
8849
8850         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8851         patch.
8852
8853 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8854         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8855         compiler warnings.
8856
8857 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8858
8859         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8860         valid tls_segment only for non-debug-section relocations.
8861         * testsuite/Makefile.am: Add gc_tls_test.
8862         * testsuite/Makefile.in: Regenerate.
8863         * testsuite/gc_tls_test.cc: New file.
8864         * testsuite/gc_tls_test.sh: New file.
8865
8866 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8867
8868         * icf.cc: New file.
8869         * icf.h: New file.
8870         * Makefile.am (CCFILES): Add icf.cc.
8871         (HFILES): Add icf.h
8872         * Makefile.in: Regenerate.
8873         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8874         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8875         section, symbol and addend information for the relocs.
8876         * gold.cc (queue_middle_tasks): Call identical code folding.
8877         * gold.h: Add defines for multimap.
8878         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8879         to the call of finalize_local_symbols.
8880         * main.cc (main): Create object of class Icf.
8881         * object.cc (Sized_relobj::do_layout): Allow this function to be
8882         called twice during icf.
8883         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8884         to sections marked as identical by icf.
8885         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8886         when available.
8887         (Sized_relobj::do_section_entsize): New function.
8888         * object.h (Object::section_entsize): New function.
8889         (Object::do_section_entsize): New pure virtual function.
8890         (Relobj::finalize_local_symbols): Add new parameter.
8891         (Relobj::do_section_entsize): New function.
8892         * options.h (General_options::icf): New option.
8893         (General_options::icf_iterations): New option.
8894         (General_options::print_icf_sections): New option.
8895         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8896         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8897         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8898         icf.
8899         * symtab.cc (Symbol_table::is_section_folded): New function.
8900         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8901         to sections marked as identical by icf.
8902         * symtab.h (Symbol_table::set_icf): New function.
8903         (Symbol_table::icf): New function.
8904         (Symbol_table::is_section_folded): New function.
8905         (Symbol_table::icf_): New data member.
8906         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8907         * testsuite/Makefile.am: Add commands to build icf_test.
8908         * testsuite/Makefile.in: Regenerate.
8909         * testsuite/icf_test.sh: New file.
8910         * testsuite/icf_test.cc: New file.
8911
8912 2009-07-24  Chris Demetriou  <cgd@google.com>
8913
8914         * layout.cc (is_compressible_debug_section): Fix incorrect
8915         comment about compressed section names.
8916
8917 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8918
8919         PR 10419
8920         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8921
8922 2009-07-16  Ian Lance Taylor  <iant@google.com>
8923
8924         PR 10400
8925         * layout.h: #include <map>.
8926         (class Kept_section): Change from struct to class.  Add accessors
8927         and setters.  Add section size to Comdat_group mapping.  Change
8928         Comdat_group to std::map.  Add is_comdat_ field.  Add
8929         linkonce_size field in union.
8930         (class Layout): Update declaration of find_or_add_kept_section.
8931         Don't declare find_kept_object.
8932         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8933         parameter.  Add object, shndx, is_comdat, and is_group_name
8934         parameters.  Change all callers.  Adjust for new Kept_section.
8935         (Layout::find_kept_object): Remove.
8936         * object.cc (Sized_relobj::include_section_group): Update use of
8937         Kept_section.  Rename secnum to shndx.  Only record
8938         Kept_comdat_section if sections are the same size.
8939         (Sized_relobj::include_linkonce_section): Update use of
8940         Kept_section.  Only record Kept_comdat_section if sections are the
8941         same size.  Set size of linkonce section.
8942         (Sized_relobj::map_to_kept_section): Update call to
8943         get_kept_comdat_section.
8944         * object.h (class Sized_relobj): Rename fields in
8945         Kept_comdat_section to drop trailing underscores; change object
8946         field to Relobj*.  Change Kept_comdat_section_table to store
8947         struct rather than pointer.
8948         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8949         Add kept_object and kept_shndx parameters.  Change all callers.
8950         (Sized_relobj::get_kept_comdat_section): Change return type to
8951         bool.  Add kept_object and kept_shndx parameters.  Change all
8952         callers.
8953         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8954         Layout::find_or_add_kept_section.
8955
8956 2009-07-09  Ian Lance Taylor  <iant@google.com>
8957
8958         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8959         Reserve space in the hash table.
8960
8961 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8962
8963         * fileread.cc (File_read::get_mtime): New method.
8964         * fileread.h (Timespec): New structure.
8965         (File_read::get_mtime): New method.
8966         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8967         Renamed from timestamp_nsec.
8968         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8969         Elf_Xword.
8970         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8971         timestamp_nsec.
8972         (Incremental_inputs::report_archive): Save mtime; style fix.
8973         (Incremental_inputs::report_obejct): Save mtime; style fix.
8974         (Incremental_inputs::report_script): Save mtime; style fix.
8975         (Incremental_inputs::finalize_inputs): Style fix.
8976         (Incremental_inputs::finalize): Style fix.
8977         (Incremental_inputs::create_input_section_data): Store inputs
8978         mtime.
8979         * incremental.h (Incremental_inputs::report_script): Add mtime
8980         argument.
8981         (Incremental_inputs::Input_info::Input_info): Intialize only one
8982         union member.
8983         (Incremental_inputs::Input_info::archive): Move to nameless
8984         union.
8985         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8986         (Incremental_inputs::Input_info::script): Move to nameless union.
8987         (Incremental_inputs::mtime): New field.
8988         * script.cc (read_input_script): Pass file mtime to
8989         Incremental_input.
8990         * script.h (Script_info::inputs): Style fix.
8991
8992 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8993
8994         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8995         instead of 32.
8996
8997 2009-06-24  Ian Lance Taylor  <iant@google.com>
8998
8999         PR 10156
9000         * layout.cc (Layout::choose_output_section): If we find an
9001         existing section, update the flags.
9002         (Layout::create_notes): New function, broken out of
9003         Layout::finalize.
9004         (Layout::finalize): Don't create note sections.
9005         (Layout::create_note): Don't crash if linker script discards
9006         section.
9007         (Layout::create_gold_note): Likewise.
9008         (Layout::create_build_id): Likewise.  Don't set
9009         after_input_sections on the section.
9010         (Layout::create_executable_stack_info): Remove target parameter.
9011         Change caller.
9012         * layout.h (class Layout): Declare create_notes.  Update
9013         declaration of create_executable_stack_info.
9014         * gold.cc (queue_middle_tasks): Call create_notes.
9015         * output.cc (Output_section::update_flags_for_input_section): Move
9016         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9017         invalid.
9018         * output.h (Output_data::mark_address_invalid): New function.
9019         (class Output_section): Only declare, not define,
9020         update_flags_for_input_section.  Remove set_flags.
9021
9022 2009-06-24  Ian Lance Taylor  <iant@google.com>
9023
9024         * script-sections.cc (Output_section_definition::
9025         set_section_addresses): Rename shadowing local load_address to
9026         laddr.
9027
9028 2009-06-24  Ian Lance Taylor  <iant@google.com>
9029
9030         PR 10244
9031         * reloc.cc (relocate_sections): Skip empty relocation sections.
9032
9033 2009-06-23  Ian Lance Taylor  <iant@google.com>
9034
9035         PR 10156
9036         * layout.cc (Layout::create_note): Use choose_output_section
9037         rather than make_output_section.
9038
9039 2009-06-23  Ian Lance Taylor  <iant@google.com>
9040
9041         PR 10237
9042         * options.cc (General_options::parse_V): Set printed_version_.
9043         (General_options::General_options): Initialize printed_version_.
9044         * options.h (class General_options): Add printed_version_ field.
9045         * gold.cc (queue_initial_tasks): If there are no input files,
9046         don't give a fatal error if we printed the version information.
9047         (queue_middle_tasks): If using -r with a shared object, give a
9048         fatal error rather than an ordinary error.
9049
9050 2009-06-23  Ian Lance Taylor  <iant@google.com>
9051
9052         PR 10219
9053         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9054         (Layout::make_output_section): Set have_stabstr_section_ if we see
9055         a .stab*str section.
9056         (Layout::finalize): Call link_stabs_sections.
9057         (Layout::link_stabs_sections): New file.
9058         * layout.h (class Layout): Add have_stabstr_section_ field.
9059         Declare link_stabs_sections.
9060
9061 2009-06-23  Doug Kwan  <dougkwan@google.com>
9062
9063         * Makefile.am (libgold_a_LIBADD): New.
9064         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9065         * Makefile.in: Regenerate.
9066         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9067         * configure: Regenerate.
9068         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9069         * fileread.cc: Include sys/state.h
9070         * gold.h: Declare memmem and strndup if found missing.
9071         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9072
9073 2009-06-23  Ian Lance Taylor  <iant@google.com>
9074
9075         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9076         * configure: Rebuild.
9077
9078 2009-06-23  Ian Lance Taylor  <iant@google.com>
9079
9080         PR 10147
9081         * object.cc (Object::section_contents): Don't try to get a view if
9082         the section has length zero.
9083         (Object::handle_gnu_warning_section): If the section is empty, use
9084         the name of the section as the warning.
9085
9086 2009-06-23  Ian Lance Taylor  <iant@google.com>
9087
9088         PR 10133
9089         * stringpool.h (class Stringpool_template): Add optimize_ field.
9090         (Stringpool_template::set_optimize): New function.
9091         * stringpool.cc (Stringpool_template::Stringpool_template):
9092         Initialize optimize_ field.
9093         (Stringpool_template::set_string_offsets): Test local optimize
9094         fild rather than parameter.
9095         * layout.cc (Layout::Layout): Call set_optimize on the section
9096         name stringpool.
9097
9098 2009-06-22  Ian Lance Taylor  <iant@google.com>
9099
9100         PR 10030
9101         * yyscript.y: Parse TARGET.
9102         * script.cc (script_set_target): New function.
9103         * script-c.h (script_set_target): Declare.
9104         * options.cc (General_options::string_to_object_format): Rename
9105         from string_to_object_format in anonymous namespace.  Change
9106         callers.
9107         * options.h (class General_options): Declare
9108         string_to_object_format.
9109
9110 2009-06-22  Ian Lance Taylor  <iant@google.com>
9111
9112         * script-sections.cc (Script_sections::create_segments): Don't put
9113         program headers in a PT_LOAD segment if -n or -N.
9114
9115 2009-06-22  Ian Lance Taylor  <iant@google.com>
9116
9117         PR 10141
9118         * options.h (class General_options): Add -z lazy and -z now.  Sort
9119         -z options into alphabetical order.
9120         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9121
9122 2009-06-21  Ian Lance Taylor  <iant@google.com>
9123
9124         * layout.cc (Layout::make_output_section): Call
9125         Target::new_output_section.
9126         (Layout::attach_allocated_section_to_segment): Put large section
9127         sections in a separate load segment with the large segment flag
9128         set.
9129         (Layout::segment_precedes): Sort large data segments after other
9130         load segments.
9131         (align_file_offset): New static function.
9132         (Layout::set_segment_offsets): Use align_file_offset.
9133         * output.h (class Output_section): Add is_small_section_ and
9134         is_large_section_ fields.
9135         (Output_section::is_small_section): New function.
9136         (Output_section::set_is_small_section):  New function.
9137         (Output_section::is_large_section): New function.
9138         (Output_section::set_is_large_section): New function.
9139         (Output_section::is_large_data_section): New function.
9140         (class Output_segment): Add is_large_data_segment_ field.
9141         (Output_segment::is_large_data_segment): New function.
9142         (Output_segment::set_is_large_data_segment): New function.
9143         * output.cc (Output_section::Output_section): Initialize new
9144         fields.
9145         (Output_segment::Output_segment): Likewise.
9146         (Output_segment::add_output_section): Add assertion that large
9147         data sections always go in large data segments.  Force small data
9148         sections to the end of the list of data sections.  Force small BSS
9149         sections to the start of the list of BSS sections.  For large BSS
9150         sections to the end of the list of BSS sections.
9151         * symtab.h (class Symbol): Declare is_common_shndx.
9152         (Symbol::is_defined): Check Symbol::is_common_shndx.
9153         (Symbol::is_common): Likewise.
9154         (class Symbol_table): Define enum Commons_section_type.  Update
9155         declarations.  Add small_commons_ and large_commons_ fields.
9156         * symtab.cc (Symbol::is_common_shndx): New function.
9157         (Symbol_table::Symbol_table): Initialize new fields.
9158         (Symbol_table::add_from_object): Put small and large common
9159         symbols in the right list.
9160         (Symbol_table::sized_finalized_symbol): Check
9161         Symbol::is_common_shndx.
9162         (Symbol_table::sized_write_globals): Likewise.
9163         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9164         common symbol lists.  Don't call do_allocate_commons_list if the
9165         list is empty.
9166         (Symbol_table::do_allocate_commons_list): Remove is_tls
9167         parameter.  Add comons_section_type parameter.  Change all
9168         callers.  Handle small and large common symbols.
9169         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9170         Symbol::is_common_shndx.
9171         * resolve.cc (symbol_to_bits): Likewise.
9172         * target.h (Target::small_common_shndx): New function.
9173         (Target::small_common_section_flags): New function.
9174         (Target::large_common_shndx): New function.
9175         (Target::large_common_section_flags): New function.
9176         (Target::new_output_section): New function.
9177         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9178         small_common_section_flags, and large_common_section_flags
9179         fields.
9180         (Target::do_new_output_section): New virtual function.
9181         * arm.cc (Target_arm::arm_info): Initialize new fields.
9182         * i386.cc (Target_i386::i386_info): Likewise.
9183         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9184         Likewise.
9185         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9186         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9187         (Target_x86_64::do_new_output_section): New function.
9188         * configure.ac: Define conditional MCMODEL_MEDIUM.
9189         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9190         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9191         (large_LDFLAGS): Define.
9192         * testsuite/large.c: New file.
9193         * testsuite/testfile.cc (Target_test::test_target_info):
9194         Initialize new fields.
9195         * configure, testsuite/Makefile.in: Rebuild.
9196
9197 2009-06-05  Doug Kwan  <dougkwan@google.com>
9198
9199         * Makefile.am (CCFILES): Add target.cc.
9200         * Makefile.in: Regenerate.
9201         * i386.cc (class Target_i386): Define new virtual method to
9202         override do_is_local_label_name in parent.
9203         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9204         local symbols if --discard-locals or -X is given.
9205         * options.h (class General_options): Declare new options
9206         '--discard-locals' and '-X' for discarding locals.
9207         * target.h (class Target): Define new methods is_local_label_name.
9208         Declare new virtual method do_is_local_label_name.
9209         * target.cc: New file.
9210         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9211         (check_SCRIPTS): Add discard_locals_test.sh.
9212         (check_DATA): Add discard_local_tests.syms.
9213         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9214         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9215         * testsuite/Makefile.in: Regenerate.
9216         * testsuite/discard_locals_test.c: New file.
9217         * testsuite/discard_locals_test.sh: Same.
9218
9219 2009-06-05  Doug Kwan  <dougkwan@google.com>
9220
9221         * object.cc (Sized_relobj::Sized_relobj): Initialize
9222         discarded_eh_frame_shndx_ to -1U.
9223         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9224         section.
9225         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9226         a discarded .eh_frame section.
9227         (Sized_relobj::do_finalize_local_symbols): Ditto.
9228         * object.h (class Sized_relobj): Declare new member
9229         discarded_eh_frame_shndx_.
9230         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9231         (local_labels_test.o, local_labels_test): New rules.
9232         * testsuite/Makefile.in: Regenerate.
9233
9234 2009-06-04  Doug Kwan  <dougkwan@google.com>
9235
9236         * layout.cc (Layout::section_name_mapping): Add mapping for
9237         special ARM sections.
9238
9239 2009-06-03  Doug Kwan  <dougkwan@google.com>
9240
9241         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9242         (utils::has_overflow): Same.
9243
9244 2009-06-03  Ian Lance Taylor  <iant@google.com>
9245
9246         * layout.cc (Layout::section_name_mapping): New array, replacing
9247         Layout::linkonce_mapping.
9248         (Layout::section_name_mapping_count): New variable, replacing
9249         Layout::linkonce_mapping_count.
9250         (Layout::linkonce_output_name): Remove.
9251         (Layout::output_section_name): Rewrite.
9252         * layout.h (class Layout): Rename Linkonce_mapping to
9253         Section_name_mapping, linkonce_mapping to section_name_mapping,
9254         linkonce_mapping_count to section_name_mapping_count.  Don't
9255         declare linkonce_output_name.
9256
9257 2009-06-03  Doug Kwan  <dougkwan@google.com>
9258
9259         * gold/arm.cc (namespace utils): New.
9260         (Target_arm::reloc_is_non_pic): Define new method.
9261         (class Arm_relocate_functions): New.
9262         (Target_arm::Relocate::relocate): Handle relocation types used by
9263         Android.
9264
9265 2009-06-03  Ian Lance Taylor  <iant@google.com>
9266
9267         * arm.cc (Target_arm::scan::global): Use || instead of |.
9268
9269 2009-06-02  Doug Kwan  <dougkwan@google.com>
9270
9271         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9272         issued_non_pic_error_.
9273         (class Target_arm::Scan): Declare new method check_non_pic.
9274         Define new method symbol_needs_plt_entry.
9275         Declare new data member issued_non_pic_error_.
9276         (class Target_arm::Relocate): Declare new method
9277         should_apply_static_reloc.
9278         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9279         (Target_arm::Scan::check_non_pic): Define new method.
9280         (Target_arm::Scan::local): Handle a small subset of reloc types used
9281         by Android.
9282         (Target_arm::Scan::local): Same.
9283         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9284
9285 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9286
9287         * incremental.cc (Incremental_inputs::report_command_line): Filter
9288         out --incremental-* options.
9289
9290 2009-05-29  Doug Kwan  <dougkwan@google.com>
9291
9292         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9293         template class.
9294         (class Target_arm): Update comment.
9295         (Target_arm::Target_arm): Initialize new data members GOT_,
9296         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9297         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9298         and Target_arm::rel_dyn_section.
9299         Declare new_enum Target_arm::Got_type.
9300         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9301         and DYNBSS_.
9302         Update commments for member do_dynsym_value.
9303         (Target_arm::got_size, Target_arm::plt_section,
9304         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9305         new methods inside class defintion.
9306         (Target_arm::got_section): Define new method.
9307         (Target_arm::rel_dyn_section): Same.
9308         (Output_data_plt_arm): New template class.
9309         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9310         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9311         (Output_data_plt_arm::add_entry): Same.
9312         (Output_data_plt_arm::first_plt_entry): Define new
9313         static data member for PLT instruction template.
9314         (Output_data_plt_arm::plt_entry): Same.
9315         (Output_data_plt_arm::do_write): Define new method.
9316         (Target_arm::make_plt_entry): Same.
9317         (Target_arm::do_finalize_sections): Same.
9318         (Target_arm::do_dynsym_value): Same.
9319
9320 2009-05-28  Doug Kwan  <dougkwan@google.com>
9321
9322         * Makefile.am (TARGETSOURCES): Add arm.cc.
9323         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9324         * Makefile.in: Regenerate.
9325         * arm.cc: New file.
9326         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9327
9328 2009-05-26  Doug Kwan  <dougkwan@google.com>
9329
9330         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9331         (General_options::check_excluded_libs): Strip off directories in
9332         archive name before matching like GNU ld does.
9333         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9334         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9335         (exclude_libs_test_LDFLAGS): Add linker option
9336         -Wl,--exclude-libs,libexclude_libs_test_3
9337         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9338         an explicit archive without using -l.
9339         (alt/libexclude_libs_test_3.a): New make rule.
9340         * testsuite/Makefile.in: Regenerate.
9341         * testsuite/exclude_libs_test.c : Declare lib3_default().
9342         (main): Call it.
9343         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9344         * exclude_libs_test_3.c: New file.
9345
9346 2009-05-26  Nick Clifton  <nickc@redhat.com>
9347
9348         * po/id.po: New Indonesian translation.
9349         * po/gold.pot: Updated template file.
9350
9351 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9352
9353         * testsuite/Makefile.am: Add -ffunction-sections to compile
9354         gc_comdat_test files.  Add -Wl,--gc-sections to build
9355         gc_comdat_test.
9356         * testsuite/Makefile.in: Regenerate.
9357         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9358
9359 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9360
9361         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9362         kept comdat section was garbage collected.
9363         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9364         * testsuite/Makefile.in: Regenerate.
9365         * testsuite/gc_comdat_test.sh: New file.
9366         * testsuite/gc_comdat_test_1.cc: New file.
9367         * testsuite/gc_comdat_test_2.cc: New file.
9368
9369 2009-05-19  Doug Kwan  <dougkwan@google.com>
9370
9371         * archive.cc (Archive::Archive): Move constructor from archive.h
9372         to here.  Initialize no_export_.
9373         (Archive::get_elf_object_for_member): Set no_export flag of object.
9374         * archive.h (Archive::Archive): Move constructor body to
9375         archive.cc.
9376         (Archive::no_export): New method.
9377         (Archive::no_export_): New field.
9378         * object.h (Object::Object): Initialize no_export_ to false.
9379         (Object::no_export, Object::set_no_export): New methods.
9380         (Object::no_export_): New field.
9381         * options.cc (General_options::parse_exclude_libs): New method.
9382         (General_options::check_excluded_libs) Same.
9383         * options.h (exclude_libs): New option.
9384         (General_options::check_excluded_libs): New method declaration.
9385         (General_options::excluded_libs_): New field.
9386         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9387         default or protected visibility if an object has no-export flag set.
9388         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9389         (check_SCRIPTS): Add exclude_libs_test.sh.
9390         (check_DATA): Add exclude_libs_test.syms.
9391         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9392         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9393         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9394         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9395         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9396         libexclude_libs_test_2.a): New rules.
9397         * testsuite/Makefile.in: Regenerate.
9398         * testsuite/exclude_libs_test.c: New file.
9399         * testsuite/exclude_libs_test.sh: Ditto.
9400         * testsuite/exclude_libs_test_1.c: Ditto.
9401         * testsuite/exclude_libs_test_2.c: Ditto.
9402
9403 2009-05-15  Ian Lance Taylor  <iant@google.com>
9404
9405         * configure.ac: Check for declarations for cases where libiberty.h
9406         checks HAVE_DECL_xxx.
9407         * configure, config.in: Rebuild.
9408
9409 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9410
9411         * gold.h (Incremental_argument_list): Remove (invalid) forward
9412         declaration.
9413         * incremental.cc (Incremental_inputs::report_achive): New method.
9414         (Incremental_inputs::report_object): New method.
9415         (Incremental_inputs::report_script): New method.
9416         (Incremental_inputs::finalize_inputs): New method.
9417         (Incremental_inputs::finalize): Call finalize_inputs().
9418         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9419         Create inputs entries.
9420         * incremental.h (Incremental_input_type): New enum.
9421         (Incremental_inputs::Incremental_input): Initialize new fields.
9422         (Incremental_inputs::report_inputs): New method.
9423         (Incremental_inputs::report_achive): New method.
9424         (Incremental_inputs::report_object): New method.
9425         (Incremental_inputs::report_script): New method.
9426         (Incremental_inputs::finalize_inputs): New method.
9427         (Incremental_inputs::Input_info): New struct.
9428         (Incremental_inputs::Input_info_map): New typedef.
9429         (Incremental_inputs::lock_): New field.
9430         (Incremental_inputs::Inputs_): New field.
9431         (Incremental_inputs::Inputs_map): New field.
9432         * main.cc (main): Call Incremental_input::report_inputs.
9433         * options.h (Input_argument_list): Typedef moved from
9434         Input_arguments.
9435         (Input_file_group::Files): Remove, use ::Input_argument_list.
9436         (Input_file_group::Input_argument_list): Remove, use
9437         ::Input_argument_list.
9438         * plugin.cc (Plugin_manager::add_input_file): Add error in
9439         incremental build.
9440         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9441         functions.
9442         * script.cc (read_input_script): Call
9443         Incremental_input::report_script.
9444         * script.h (Script_info): New class.
9445
9446 2009-04-27  Ian Lance Taylor  <iant@google.com>
9447
9448         * x86_64.cc (do_adjust_output_section): Set entsize to
9449         plt_entry_size.
9450
9451 2009-04-23  Elliott Hughes  <enh@google.com>
9452
9453         * output.cc (Output_file::close): After short writes, continue
9454         writing from the correct offset in the buffer being written.
9455
9456 2009-04-23  Chris Demetriou  <cgd@google.com>
9457
9458         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9459         * configure: Regenerate.
9460         * config.in: Regenerate.
9461         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9462         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9463
9464 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9465
9466         * incremental.cc (Incremental_inputs_header_data): Renamed from
9467         Incremental_input_header_data.
9468         (Incremental_inputs_header_data::data_size): New field.
9469         (Incremental_inputs_header_data::put_input_file_count): Renamed
9470         from input_file_count.
9471         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9472         from command_line_offset.
9473         (Incremental_inputs_header_data::put_reserved): Renamed from
9474         put_reserved.
9475         (Incremental_inputs_entry_data): Renamed from
9476         Incremental_input_entry_data.
9477         (Incremental_inputs_entry_data::data_size): New field.
9478         (Incremental_inputs::report_command_line): New method.
9479         (Incremental_inputs::finalize): New method.
9480         (Incremental_inputs::create_incremental_inputs_data): New method.
9481         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9482         * incremental.h: New file.
9483         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9484        (Layout::finalize): Create incremental inputs section in
9485         incremental builds.
9486        (Layout::create_incremental_info_sections): New method.
9487         * layout.h (Layout::incremental_inputs): New method.
9488        (Layout::create_incremental_info_sections): New method.
9489        (Layout::incremental_inputs_): New field.
9490         * main.cc (main): Notify Incremental_input of the command line.
9491
9492 2009-04-01  Ian Lance Taylor  <iant@google.com>
9493             Mikolaj Zalewski  <mikolajz@google.com>
9494
9495         * gold.h (reserve_unordered_map): Define, three versions, one for
9496         each version of Unordered_map.
9497         * layout.cc (Layout::Layout): Remove options parameter.  Add
9498         number_of_input_files parameter.  Don't initialize options_.
9499         Initialize number_of_input_files_ and resized_signatures_.  Move
9500         sections_are_attached_.
9501         (Layout::layout_group): Reserve space for group_signatures_.
9502         (Layout::find_or_add_kept_section): Change name parameter to be a
9503         reference.  Resize signatures_ map when it gets large enough.
9504         (Layout::layout_eh_frame): Use parameters->options() instead of
9505         this->options_.
9506         (Layout::make_output_section): Likewise.
9507         (Layout::attach_allocated_section_to_segment): Likewise.
9508         (Layout::finalize, Layout::create_executable_stack): Likewise.
9509         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9510         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9511         * layout.h (class Layout): Update declarations.  Remove options_
9512         field.  Add number_of_input_files_ and resized_signatures_
9513         fields.  Move sections_are_attached_ field.
9514         * main.cc (main): Pass number of input files to Layout
9515         constructor.  Don't pass options.
9516
9517 2009-03-30  Ian Lance Taylor  <iant@google.com>
9518
9519         * ffsll.c (ffsll): Correct implementation.
9520
9521 2009-03-27  Ian Lance Taylor  <iant@google.com>
9522
9523         * ffsll.c: New file.
9524         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9525         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9526         * ftruncate.c (ftruncate): Declare before definition.
9527         * mremap.c (mremap): Likewise.
9528         * pread.c (pread): Likewise.
9529         * configure, Makefile.in, config.in: Rebuild.
9530
9531         * mremap.c: New file.
9532         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9533         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9534         (mremap): Declare if HAVE_MREMAP is not defined.
9535         * configure, Makefile.in, config.in: Rebuild.
9536
9537 2009-03-27  Cary Coutant  <ccoutant@google.com>
9538
9539         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9540         position independent.
9541         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9542         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9543
9544 2009-03-24  Cary Coutant  <ccoutant@google.com>
9545
9546         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9547         an executable.
9548         (needs_dynamic_reloc): Likewise.
9549
9550 2009-03-24  Ian Lance Taylor  <iant@google.com>
9551
9552         * yyscript.y (file_cmd): Recognize EXTERN.
9553         (extern_name_list, extern_name_list_body): New nonterminals.
9554         * script.cc (script_add_extern): Define.
9555         * script-c.h (script_add_extern): Declare.
9556
9557 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9558
9559         * object.cc (is_elf_object): Define.
9560         * object.h (is_elf_object): Declare.
9561         * archive.cc (Archive::get_elf_object_for_member): Call
9562         is_elf_object.
9563         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9564
9565 2009-03-24  Elliott Hughes  <enh@google.com>
9566
9567         * output.cc (Output_file::map_anonymous): Define.
9568         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9569         try an anonymous one.  Report the size if the mmap fails.
9570         * output.h (class Output_file): Declare map_anonymous.
9571
9572 2009-03-24  Ian Lance Taylor  <iant@google.com>
9573
9574         * target-select.cc (instantiate_target): Don't acquire the lock if
9575         the instantiated_target_ field has already been set.
9576
9577 2009-03-23  Ian Lance Taylor  <iant@google.com>
9578
9579         * gold-threads.h (class Initialize_lock): Define.
9580         * gold-threads.cc (class Initialize_lock_once): Define.
9581         (initialize_lock_control): New static variable.
9582         (initialize_lock_pointer): New static variable.
9583         (initialize_lock_once): New static function.
9584         (Initialize_lock::Initialize_lock): Define.
9585         (Initialize_lock::initialize): Define.
9586         * target-select.h: Include "gold-threads.h".
9587         (class Target_selector): Add lock_ and initialize_lock_ fields.
9588         Don't define instantiate_target, just declare it.
9589         * target-select.cc (Target_selector::Target_selector): Initialize
9590         new fields.
9591         (Target_selector::instantiate_target): Define.
9592         * descriptors.h: Include "gold-threads.h".
9593         (class Descriptors): Add initialize_lock_ field.
9594         * descriptors.cc (Descriptors::Descriptors): Initialize new
9595         field.
9596         (Descriptors::open): Use initialize_lock_ field
9597         * errors.h (class Errors): Add initialize_lock_ field.
9598         * errors.cc (Errors::Errors): Initialize new field.
9599         (Errors::initialize_lock): Use initialize_lock_ field.
9600         * powerpc.cc (class Target_selector_powerpc): Remove
9601         instantiated_target_ field.  In do_recognize call
9602         instantiate_target rather than do_instantiate_target.  In
9603         do_instantiate_target just allocate a new target.
9604         * sparc.cc (class Target_selector_sparc): Likewise.
9605
9606         * freebsd.h: New file.
9607         * i386.cc: Include "freebsd.h".
9608         (Target_i386): Derive from Target_freebsd rather than
9609         Sized_target.
9610         (Target_selector_i386): Derive from Target_selector_freebsd rather
9611         than Target_selector.
9612         * x86_64.cc: Include "freebsd.h".
9613         (Target_x86_64): Derive from Target_freebsd rather than
9614         Sized_target.
9615         (Target_selector_x86_64): Derive from Target_selector_freebsd
9616         rather than Target_selector.
9617         * target.h (class Target): Add adjust_elf_header and
9618         do_adjust_elf_header.
9619         * output.cc (Output_file_header:: do_sized_write): Call target
9620         adjust_elf_header routine.
9621         * configure.tgt: Set targ_osabi.
9622         * configure.ac: Define GOLD_DEFAULT_OSABI.
9623         * parameters.cc (Parameters::default_target): Pass
9624         GOLD_DEFAULT_OSABI to select_target.
9625         * target-select.h (class Target_selector): Make instantiate_target
9626         protected rather than private.
9627         * Makefile.am (HFILES): Add freebsd.h.
9628         * configure, Makefile.in, config.in: Rebuild.
9629
9630         * merge.cc (do_add_input_section): Correct pend value.  Change
9631         message about last entry not being null terminated from error to
9632         warning.
9633
9634 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9635
9636         * incremental.cc: New file.
9637         * Makefile.am (CCFILES): Add incremental.cc.
9638         * Makefile.in: Rebuild.
9639
9640 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9641
9642         * layout.cc (Layout::output_section_name): Preserve names
9643         of '.note.' sections.
9644
9645 2009-03-19  Ian Lance Taylor  <iant@google.com>
9646
9647         * descriptors.cc (Descriptors::open): Check that the options are
9648         valid before using them.
9649
9650 2009-03-18  Ian Lance Taylor  <iant@google.com>
9651
9652         * script-sections.h: Include <list>.
9653         (class Script_sections): Change Sections_elements from std::vector
9654         to std::list.  Typedef public Elements_iterator.  Add
9655         orphan_section_placement_, data_segment_align_start_, and
9656         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9657         field.
9658         * script-sections.cc (class Orphan_section_placement): New class.
9659         (class Sections_element): Add virtual functions is_relro and
9660         orphan_section_init.  Remove virtual function place_orphan_here.
9661         (class Output_section_definition): Add is_relro and
9662         orphan_section_init.  Remove place_orphan_here.
9663         (class Orphan_output_section): Likewise.
9664         (Script_sections::Script_sections): Update for field changes.
9665         (Script_sections::data_segment_align): Set saw_data_segment_align_
9666         and data_segment_align_start_, not data_segment_align_index.
9667         (Script_sections::data_segment_relro_end): Check
9668         saw_data_segment_align_.  Use data_segment_align_start_ rather
9669         than data_segment_align_index_.
9670         (Script_sections::place_orphan): Rewrite to use
9671         Orphan_section_placement.
9672
9673 2009-03-17  Ian Lance Taylor  <iant@google.com>
9674
9675         * archive.cc (Archive::add_symbols): Check for a version attached
9676         to the symbol name in the archive map.
9677         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9678         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9679         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9680         (ver_test_11.a): New target.
9681         * testsuite/Makefile.in: Rebuild.
9682
9683         * configure.ac: Check for chsize and posix_fallocate.  Replace
9684         ftruncate.
9685         * ftruncate.c: New file, from gnulib.
9686         * output.cc (posix_fallocate): Define dummy version if not
9687         HAVE_POSIX_FALLOCATE.
9688         (Output_file::map): Call posix_fallocate rather than lseek and
9689         write.
9690         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9691         * configure, Makefile.in, config.in: Rebuild.
9692
9693 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9694
9695         * layout.h (Layout::create_note): Add section_name parameter.
9696         * layout.cc (Layout::create_note): Likewise.
9697         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9698
9699 2009-03-17  Ian Lance Taylor  <iant@google.com>
9700
9701         * descriptors.cc: Include "options.h".
9702         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9703         (Descriptors::open): Always use O_CLOEXEC when opening a new
9704         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9705         then set FD_CLOEXEC.
9706
9707         * sparc.cc (class Target_sparc): Add has_got_section.
9708         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9709         make sure we have a GOT section.
9710
9711         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9712         (Target_sparc::Scan::local): Likewise.
9713         (Target_sparc::Scan::global): Likewise.
9714         (Target_sparc::Relocate::relocate): Likewise.
9715         (Target_sparc::Relocate::relocate_tls): Likewise.
9716
9717         * symtab.cc (Symbol_table::define_default_version): New function,
9718         broken out of add_from_object.
9719         (Symbol_table::add_from_object): Call define_default_version.
9720         (Symbol_table::define_special_symbol): Add resolve_oldsym
9721         parameter.  Change all callers.  If the version for a symbol comes
9722         from a version script, resolve it with the symbol with the same
9723         name with no version.  Also add the symbol without a version if
9724         appropriate.
9725         (do_define_in_output_data): If resolving with oldsym, don't delete
9726         sym.
9727         (do_define_in_output_segment): Likewise.
9728         (do_define_as_constant): Likewise.
9729         * symtab.h (class Symbol_table): Update declarations.
9730
9731 2009-03-13  Ian Lance Taylor  <iant@google.com>
9732
9733         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9734         (Read_symbols::requeue): New function.
9735         (Read_symbols::do_read_symbols): If make_elf_object fails because
9736         the target type is not configured, and the file was searched for,
9737         issue a warning and retry with the next directory.
9738         (Add_symbols::run): If the file has an incompatible format, and
9739         it was searched for, requeue the Read_symbols task.  On error,
9740         release the object.
9741         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9742         dirindex parameter to constructor.  Change all callers.  Declare
9743         incompatible_warning and requeue.
9744         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9745         input_argument_ and input_group_ fields.  Add them to
9746         constructor.  Change all callers.
9747         (class Read_script): Add dirindex_ field.  Add it to constructor.
9748         Change all callers.
9749         * archive.cc (Archive::setup): Remove input_objects parameter.
9750         Change all callers.
9751         (Archive::get_file_and_offset): Likewise.
9752         (Archive::read_all_symbols): Likewise.
9753         (Archive::read_symbols): Likewise.
9754         (Archive::get_elf_object_for_member): Remove input_objects
9755         parameter.  Add punconfigured parameter.  Change all callers.
9756         (Archive::add_symbols): Change return type to bool.  Check return
9757         value of include_member.
9758         (Archive::include_all_members): Likewise.
9759         (Archive::include_member): Change return type to bool.  Return
9760         false if first included object has incompatible target.  Set
9761         included_member_ field.
9762         (Add_archive_symbols::run): If add_symbols returns false, requeue
9763         Read_symbols task.
9764         * archive.h (class Archive): Add included_member_ field.
9765         Initialize it in constructor.  Add input_file and searched_for
9766         methods.  Update declarations.
9767         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9768         input_argument_ fields.  Add them to constructor.  Change all
9769         callers.
9770         * script.cc: Include "target-select.h".
9771         (class Parser_closure): Add skip_on_incompatible_target_ and
9772         found_incompatible_target_ fields.  Add
9773         skip_on_incompatible_target parameter to constructor.  Change all
9774         callers.  Add methods skip_on_incompatible_target,
9775         clear_skip_on_incompatible_target, found_incompatible_target, and
9776         set_found_incompatible_target.
9777         (read_input_script): Add dirindex parameter.  Change all callers.
9778         If parser finds an incompatible target, requeue Read_symbols
9779         task.
9780         (script_set_symbol): Clear skip_on_incompatible_target in
9781         closure.
9782         (script_add_assertion, script_parse_option): Likewise.
9783         (script_start_sections, script_add_phdr): Likewise.
9784         (script_check_output_format): New function.
9785         * script.h (read_input_script): Update declaration.
9786         * script-c.h (script_check_output_format): Declare.
9787         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9788         (ignore_cmd): Remove OUTPUT_FORMAT.
9789         * fileread.cc (Input_file::Input_file): Add explicit this.
9790         (Input_file::will_search_for): New function.
9791         (Input_file::open): Add pindex parameter.  Change all callers.
9792         * fileread.h (class Input_file): Add input_file_argument method.
9793         Declare will_search_for.  Update declarations.
9794         * object.cc (make_elf_object): Add punconfigured parameter.
9795         Change all callers.
9796         * object.h (class Object): Make input_file public.  Add
9797         searched_for method.
9798         (make_elf_object): Update declaration.
9799         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9800         restart search.
9801         * dirsearch.h (class Dirsearch): Update declaration.
9802         * options.h (class General_options): Add --warn-search-mismatch.
9803         * parameters.cc (Parameters::is_compatible_target): New function.
9804         * parameters.h (class Parameters): Declare is_compatible_target.
9805         * workqueue.cc (Workqueue::add_blocker): New function.
9806         * workqueue.h (class Workqueue): Declare add_blocker.
9807
9808         * fileread.cc (Input_file::open): Remove options parameter.
9809         Change all callers.
9810         (Input_file::open_binary): Likewise.
9811         * script.cc (read_input_script): Likewise.
9812         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9813         options parameter from constructor.  Change all callers.
9814         (class Read_script): Likewise.
9815         * fileread.h (class Input_file): Update declarations.
9816         * script.h (read_input_script): Update declaration.
9817
9818 2009-03-10  Nick Clifton  <nickc@redhat.com>
9819
9820         * po/es.po: New Spanish translation.
9821
9822 2009-03-06  Cary Coutant  <ccoutant@google.com>
9823
9824         * options.cc (parse_short_option): Keep dash_z from registering itself.
9825
9826 2009-03-03  Ian Lance Taylor  <iant@google.com>
9827
9828         PR 9918
9829         * target-reloc.h (relocate_section): Pass output_section to
9830         relocate.
9831         * i386.cc (Target_i386::should_apply_static_reloc): Add
9832         output_section parameter.  Change all callers.
9833         (Target_i386::Relocate::relocate): Add output_section parameter.
9834         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9835         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9836         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9837         * testsuite/two_file_shared.sh: New script.
9838         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9839         (check_DATA): Add two_file_shared.dbg.
9840         (two_file_shared.dbg): New target.
9841         * testsuite/Makefile.in: Rebuild.
9842
9843 2009-03-01  Ian Lance Taylor  <iant@google.com>
9844
9845         * configure.ac: Check for byteswap.h.
9846         * configure: Rebuild.
9847         * config.in: Rebuild.
9848
9849 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9850
9851         * layout.cc (Layout::find_or_add_kept_section): New function.
9852         (Layout::add_comdat): Removed.
9853         * layout.h (struct Kept_section): Move out of class Layout.
9854         Remove trailing underscores from field names.  Add group_sections
9855         field.  Rename group_ field to is_group.  Change all uses.
9856         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9857         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9858         comdat_groups_ field.
9859         (Sized_relobj::include_section_group): Use
9860         find_or_add_kept_section and Kept_section::group_sections.
9861         (Sized_relobj::include_linkonce_section): Likewise.
9862         * object.cc (class Sized_relobj): Don't define Comdat_group or
9863         Comdat_group_table.  Remove find_comdat_group and
9864         add_comdat_group.  Remove comdat_groups_ field.
9865         * plugin.cc (include_comdat_group): Use
9866         Layout::find_or_add_kept_section.
9867
9868 2009-02-28  Ian Lance Taylor  <iant@google.com>
9869
9870         * README: --gc-sections and map files are now supported.  Document
9871         some build requirements.
9872
9873         PR 6992
9874         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9875         relocatable link set the value of the section symbol to zero.
9876         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9877         relocatable link don't include the section address in the local
9878         symbol value.
9879
9880 2009-02-27  Ian Lance Taylor  <iant@google.com>
9881
9882         PR 6811
9883         * options.h (class Search_directory): Add is_system_directory.
9884         (class General_options): Declare is_in_system_directory.
9885         * options.cc (get_relative_sysroot): Make static.
9886         (get_default_sysroot): Make static.
9887         (General_optoins::is_in_system_directory): New function.
9888         * fileread.cc (Input_file::is_in_system_directory): New function.
9889         * fileread.h (class Input_file): Declare is_in_system_directory.
9890         * object.h (class Object): Add is_in_system_directory.
9891         (class Input_objects): Remove system_library_directory_ field.
9892         * object.cc (Input_objects::add_object): Don't set
9893         system_library_directory_.
9894         (input_objects::found_in_system_library_directory): Remove.
9895         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9896         parameter.  Change all callers.
9897         (Symbol_table::sized_write_globals): Likewise.
9898         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9899         Call Object::is_in_system_directory.
9900         * symtab.h (class Symbol_table): Update declarations.
9901
9902         PR 5990
9903         * descriptors.h (Open_descriptor): Add is_on_stack field.
9904         * descriptors.cc (Descriptors::open): If the descriptor is on the
9905         top of the stack, remove it.  Initialize is_on_stack field.
9906         (Descriptors::release): Only add pod to stack if it is not on the
9907         stack already.
9908         (Descriptors::close_some_descriptor): Clear stack_next and
9909         is_on_stack fields.
9910
9911         PR 7091
9912         * output.cc (Output_section::find_starting_output_address): Rename
9913         from starting_output_address; add PADDR parameter; change return
9914         type.
9915         * output.h (class Output_section): Declare
9916         find_starting_output_address instead of starting_output_address.
9917         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9918         section symbol for which we can't find a merge section.
9919
9920         PR 9836
9921         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9922         hidden or internal, force the symbol to be local.
9923         * resolve.cc (Symbol::override_visibility): Define.
9924         (Symbol::override_base): Use override_visibility.
9925         (Symbol_table::resolve): Likewise.
9926         (Symbol::override_base_with_special): Likewise.
9927         (Symbol_table::override_with_special): If the visibility is hidden
9928         or internal, force the symbol to be local.
9929         * symtab.h (class Symbol): Add set_visibility and
9930         override_visibility.
9931         * testsuite/ver_test_1.sh: New file.
9932         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9933         (check_DATA): Add ver_test_1.syms.
9934         (ver_test_1.syms): New target.
9935         * testsuite/Makefile.in: Rebuild.
9936
9937 2009-02-25  Cary Coutant  <ccoutant@google.com>
9938
9939         * layout.cc (Layout::choose_output_section): Don't rename sections
9940         when using a linker script that has a SECTIONS clause.
9941         * Makefile.in: Regenerate.
9942
9943         * testsuite/Makefile.am (script_test_5.sh): New test case.
9944         * testsuite/Makefile.in: Regenerate.
9945         * testsuite/script_test_5.cc: New file.
9946         * testsuite/script_test_5.sh: New file.
9947         * testsuite/script_test_5.t: New file.
9948
9949 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9950
9951         * archive.cc (Archive::include_member): Update calls to add_symbols.
9952         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9953         the Layout argument.
9954         * dynobj.h (do_add_symbols): Add the Layout argument.
9955         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9956         Layout argument.
9957         * object.h (Object::add_symbols): Add the Layout argument.
9958         (Object::do_add_symbols): Add the Layout argument.
9959         (Sized_relobj::do_add_symbols): Add the Layout argument.
9960         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9961         Unify the two versions.
9962         (Add_plugin_symbols): Remove.
9963         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9964         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9965         (Add_plugin_symbols): Remove.
9966         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9967         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9968         (Add_symbols::run): Make it work with Pulginobj.
9969
9970 2009-02-06  Ian Lance Taylor  <iant@google.com>
9971
9972         * object.cc (Sized_relobj::do_layout): Make info message start
9973         with lower case letter.
9974
9975 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9976
9977         * binary.cc: Fix file comment.
9978
9979         * options.h (enum Incremental_disposition): Define.
9980         (class General_options): Add new options: --incremental,
9981         --incremental_changed, --incremental_unchanged,
9982         --incremental_unknown.  Add incremental_disposition_ and
9983         implicit_incremental_ fields.
9984         (General_options::incremental_disposition): New function.
9985         (class Position_dependent_options): Add incremental_disposition
9986         option.
9987         (Position_dependent_options::copy_from_options): Set incremental
9988         dispositions.
9989         * options.cc (General_options::parse_incremental_changed): New
9990         function.
9991         (General_options::parse_incremental_unchanged): New function.
9992         (General_options::parse_incremental_unknown): New function.
9993         (General_options::General_options): Initialize new fields
9994         incremental_disposition_ and implicit_incremental_.
9995         (General_options::finalize): Check for uasge of --incremental-*
9996         without --incremental.
9997
9998 2009-02-06  Chris Demetriou  <cgd@google.com>
9999
10000         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10001         pointer and to report location as the file name associated with
10002         the symbol.
10003         (gold_undefined_symbol_at_location): New function to replace the
10004         old gold_undefined_symbol functionality.
10005         * target-reloc.h (relocate_section): Update to use
10006         gold_undefined_symbol_at_location.
10007         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10008         Call gold_undefined_symbol function rather than gold_error.
10009         * errors.h (Errors::undefined_symbol): Take location as a
10010         string, rather than calculating it from a relocation.
10011         * errors.cc (Errors::fatal): Print "fatal error:" before the
10012         formatted message.
10013         (Errors::error, Errors::error_at_location): Print "error: "
10014         before the formatted message.
10015         (Errors::undefined_symbol): Take location as a string, rather
10016         than calculating it from a relocation.
10017         (gold_undefined_symbol_at_location): New function akin to
10018         old gold_undefined_symbol, calculates location from relocation.
10019         (gold_undefined_symbol): Change to take only a Symbol pointer
10020         and to report location as the file name associated with the symbol.
10021         * testsuite/debug_msg.sh: Update for changed error messages.
10022         * testsuite/undef_symbol.sh: Likewise.
10023
10024 2009-02-04  Duncan Sands  <baldrick@free.fr>
10025
10026         PR 9812
10027         * reduced_debug_output.h
10028         (Output_reduced_debug_abbrev_section::failed): Use format for
10029         gold_warning.
10030         (Output_reduced_debug_info_section::faild): Likewise.
10031
10032 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10033
10034         * script.cc (Lazy_demangler): New class.
10035         (Version_script_info::get_symbol_version_helper): Demangle a
10036         symbol only once.
10037
10038 2009-01-29  Cary Coutant  <ccoutant@google.com>
10039
10040         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10041         to __tls_get_addr.
10042         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10043
10044 2009-01-28  Ian Lance Taylor  <iant@google.com>
10045
10046         * version.cc (version_string): Bump to 1.9.
10047
10048         * gold.h: Include <cstring> and <stdint.h>.
10049         * version.cc: Include <cstdio>.
10050         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10051         warning.
10052         * reduced_debug_output.cc (insert_into_vector): Rename from
10053         Insert_into_vector; change all callers.  Use Swap_unaligned to
10054         avoid aliasing issue; remove union since it is unnecessary.
10055
10056 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10057
10058         * Makefile.am (CCFILES): Add gc.cc.
10059         (HFILES): Add gc.h.
10060         * Makefile.in: Regenerate.
10061         * gold.cc (Gc_runner): New class.
10062         (queue_initial_tasks): Call garbage collection related tasks
10063         when corresponding options are invoked.
10064         (queue_middle_gc_tasks): New function.
10065         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10066         processed early before laying out sections during garbage collection.
10067         * gold.h (queue_middle_gc_tasks): New function.
10068         (is_prefix_of): Move from "layout.cc".
10069         * i386.cc (Target_i386::gc_process_relocs): New function.
10070         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10071         * main.cc (main): Create object of class "Garbage_collection".
10072         * object.cc (Relobj::copy_symbols_data): New function.
10073         (Relobj::is_section_name_included): New function.
10074         (Sized_relobj::do_layout): Allow this function to be called twice
10075         during garbage collection and defer layout of section during the
10076         first call.
10077         * object.h (Relobj::get_symbols_data): New function.
10078         (Relobj::is_section_name_included): New function.
10079         (Relobj::copy_symbols_data): New function.
10080         (Relobj::set_symbols_data): New function.
10081         (Relobj::get_relocs_data): New function.
10082         (Relobj::set_relocs_data): New function.
10083         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10084         (Relobj::gc_process_relocs): New function.
10085         (Relobj::do_gc_process_relocs): New pure virtual function.
10086         (Relobj::sd_): New data member.
10087         (Sized_relobj::is_output_section_offset_invalid): New function.
10088         (Sized_relobj::do_gc_process_relocs): New function.
10089         * options.h (General_options::gc_sections): Modify to not be a no-op.
10090         (General_options::print_gc_sections): New option.
10091         * plugin.cc (Plugin_finish::run): Remove function call to
10092         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10093         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10094         * reloc.cc (Read_relocs::run): Add task to process relocs and
10095         determine unreferenced sections when doing garbage collection.
10096         (Gc_process_relocs): New class.
10097         (Sized_relobj::do_gc_process_relocs): New function.
10098         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10099         sections that are garbage collected.
10100         * reloc.h (Gc_process_relocs): New class.
10101         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10102         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10103         symbols whose corresponding sections are garbage collected.
10104         (Symbol_table::Symbol_table): Add new parameter for the garbage
10105         collection object.
10106         (Symbol_table::gc_mark_undef_symbols): New function.
10107         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10108         (Symbol_table::gc_mark_dyn_syms): New function.
10109         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10110         as garbage.
10111         (Symbol_table::add_from_object): Likewise.
10112         (Symbol_table::add_from_relobj): When building shared objects, do not
10113         treat externally visible symbols as garbage.
10114         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10115         table information for static and relocatable links.
10116         * symtab.h (Symbol_table::set_gc): New function.
10117         (Symbol_table::gc): New function.
10118         (Symbol_table::gc_mark_undef_symbols): New function.
10119         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10120         (Symbol_table::gc_mark_dyn_syms): New function.
10121         (Symbol_table::gc_): New data member.
10122         * target.h (Sized_target::gc_process_relocs): New pure virtual
10123         function.
10124         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10125         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10126
10127 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10128
10129         * options.h (General_options::gc_sections): Define as a no-op for now.
10130         (General_options::no_keep_memory): Ditto.
10131         (General_options::Bshareable): Define.
10132         * options.cc (General_options::finalize): Honor -Bshareable.
10133
10134 2009-01-20  Andreas Schwab  <schwab@suse.de>
10135
10136         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10137         read the value in the contents, since we don't use it.  Use the
10138         template endianness when writing.
10139         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10140
10141 2009-01-19  Andreas Schwab  <schwab@suse.de>
10142
10143         * configure.tgt (powerpc64-*): Fix targ_obj.
10144
10145 2009-01-15  Ian Lance Taylor  <iant@google.com>
10146
10147         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10148         local symbols when stripping all symbols.
10149
10150 2009-01-14  Cary Coutant  <ccoutant@google.com>
10151
10152         * output.cc (Output_reloc): Add explicit instantiations.
10153
10154 2009-01-14  Cary Coutant  <ccoutant@google.com>
10155
10156         * archive.cc (Archive::get_elf_object_for_member): Remove call
10157         to File_read::claim_for_plugin.
10158         * descriptors.cc (Descriptors::open): Remove reference to
10159         is_claimed.
10160         (Descriptors::claim_for_plugin): Remove.
10161         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10162         (Descriptors::is_claimed): Remove.
10163         (claim_descriptor_for_plugin): Remove.
10164         * fileread.cc (File_read::claim_for_plugin): Remove.
10165         * fileread.h (File_read::claim_for_plugin): Remove.
10166         (File_read::descriptor): Reopen descriptor if necessary.
10167         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10168         (Plugin_manager::all_symbols_read): Add task parameter. Change
10169         all callers.
10170         (Plugin_manager::get_input_file): New function.
10171         (Plugin_manager::release_input_file): New function.
10172         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10173         corresponding data member.
10174         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10175         and pass to base constructor. Change all callers.
10176         (get_input_file, release_input_file): New functions.
10177         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10178         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10179         (Plugin_manager::all_symbols_read): Add task parameter.
10180         (Plugin_manager::get_input_file): New function.
10181         (Plugin_manager::release_input_file): New function.
10182         (Plugin_manager::task_): New data member.
10183         (Pluginobj::Pluginobj): Add filesize parameter.
10184         (Pluginobj::filename): New function.
10185         (Pluginobj::descriptor): New function.
10186         (Pluginobj::filesize): New function.
10187         (Pluginobj::filesize_): New data member.
10188         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10189         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10190         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10191
10192         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10193         with archive libraries.
10194         * testsuite/Makefile.in: Regenerate.
10195         * testsuite/plugin_test.c (struct sym_info): New type.
10196         (get_input_file, release_input_file): New static variables.
10197         (onload): Capture new transfer vector entries.
10198         (claim_file_hook): Stop reading at end of file according to filesize.
10199         Factor out parsing of readelf output into separate function.
10200         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10201         APIs and get the source file name from the symbol table.  Convert
10202         source file name to corresponding object file name.  Print info
10203         message when adding new input files.
10204         (parse_readelf_line): New function.
10205         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10206         * testsuite/plugin_test_2.sh: Likewise.
10207         * testsuite/plugin_test_3.sh: Likewise.
10208         * testsuite/plugin_test_4.sh: New test case.
10209
10210 2009-01-07  Ian Lance Taylor  <iant@google.com>
10211
10212         * version.cc (version_string): Bump to 1.8.
10213
10214 2008-12-23  Cary Coutant  <ccoutant@google.com>
10215
10216         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10217         * plugin.cc (Plugin_manager::finish): Rename as
10218         layout_deferred_objects.  Move cleanup to separate function.
10219         (Plugin_manager::cleanup): New function.
10220         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10221         separately.
10222         * plugin.h (Plugin_manager::finish): Rename as
10223         layout_deferred_objects.
10224         (Plugin_manager::cleanup): New function.
10225         (Plugin_manager::cleanup_done): New field.
10226
10227 2008-12-23  Cary Coutant  <ccoutant@google.com>
10228
10229         * plugin.cc (is_visible_from_outside): New function.
10230         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10231         so we don't return "IR only" status for exported symbols or -r links.
10232
10233         * testsuite/Makefile.am (plugin_test_3): New test case.
10234         * testsuite/Makefile.in: Regenerate.
10235         * testsuite/plugin_test_3.sh: New file.
10236
10237 2008-12-22  Cary Coutant  <ccoutant@google.com>
10238
10239         * object.cc (Sized_relobj::layout_section): New function.
10240         (Sized_relobj::do_layout): Defer layout of input sections until after
10241         plugin has provided replacement files.
10242         (Sized_relobj::do_layout_deferred_sections): New function.
10243         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10244         (Relobj::layout_deferred_sections): New function.
10245         (Relobj::do_layout_deferred_sections): New function.
10246         (Sized_relobj::do_layout_deferred_sections): New function.
10247         (Sized_relobj::layout_section): New function.
10248         (Sized_relobj::Deferred_layout): New structure.
10249         (Sized_relobj::deferred_layout_): New field.
10250         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10251         Change all callers.  Layout deferred sections.
10252         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10253         references.
10254         (Plugin_hook::run): Move code from do_plugin_hook inline.
10255         (Plugin_hook::do_plugin_hook): Remove.
10256         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10257         (Plugin_manager::finish): Renamed, was cleanup.
10258         (Plugin_manager::should_defer_layout): New function.
10259         (Plugin_manager::add_deferred_layout_object): New function.
10260         (Plugin_manager::Deferred_layout_list): New type.
10261         (Plugin_manager::deferred_layout_objects_): New field.
10262         (Plugin_hook::do_plugin_hook): Remove.
10263
10264 2008-12-17  Ian Lance Taylor  <iant@google.com>
10265
10266         * options.h (class General_options): Add --no case for
10267         --export-dynamic.
10268
10269 2008-12-16  Cary Coutant  <ccoutant@google.com>
10270
10271         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10272         vector.
10273         (Plugin_manager::claim_file): Create plugin object even if
10274         plugin did not call the add_symbols callback.
10275         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10276         asking for more symbols than were added.
10277         * testsuite/Makefile.am (plugin_test_1): Add test case with
10278         no global symbols.
10279         (empty.syms): New target.
10280         * testsuite/Makefile.in: Regenerate.
10281         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10282         message. Don't call add_symbols if no globals.
10283         (all_symbols_read_hook): Don't provide replacement for empty
10284         claimed file.
10285
10286 2008-12-12  Ian Lance Taylor  <iant@google.com>
10287
10288         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10289         r_type == 0 for a local symbol with r_sym == 0.
10290         (scan_relocatable_relocs): Pass r_sym to
10291         local_non_section_strategy.
10292         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10293         r_sym parameter.
10294
10295         * configure.ac: Update test for TLS descriptors: they are
10296         supported as of glibc 2.9.
10297         * configure: Rebuild.
10298
10299 2008-12-11  Ian Lance Taylor  <iant@google.com>
10300
10301         PR 7091
10302         * target-reloc.h (Default_scan_relocatable_relocs): For each
10303         function, map r_type == 0 to RELOC_DISCARD.
10304
10305 2008-12-10  Cary Coutant  <ccoutant@google.com>
10306
10307         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10308         object to override a kept COMDAT group from a plugin object.
10309
10310 2008-12-09  Ian Lance Taylor  <iant@google.com>
10311
10312         PR 7088
10313         * yyscript.y (file_cmd): Handle INPUT.
10314
10315         * testsuite/initpri1.c: Change all declarations to be full
10316         prototypes by adding void, to avoid compiler warnings.
10317
10318 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10319
10320         * options.cc (General_options::parse_plugin_opt): New.
10321         (General_options::add_plugin): The argument now is just the filename.
10322         (General_options::add_plugin_option): New.
10323         * options.h (plugin_opt): New.
10324         (add_plugin): Change argument name.
10325         (add_plugin_option): New.
10326         * plugin.cc (Plugin::load): Don't parse the plugin option.
10327         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10328         (Plugin::add_option): New.
10329         (Plugin::args_): Change type.
10330         (Plugin::filename_): New.
10331         (Plugin_manager::add_plugin_option): New.
10332         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10333         * testsuite/Makefile.in: Regenerate.
10334
10335 2008-12-05  Cary Coutant  <ccoutant@google.com>
10336
10337         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10338         Handle --strip-lto-sections option.
10339         * options.h (strip_lto_sections): New option.
10340
10341 2008-12-01  Cary Coutant  <ccoutant@google.com>
10342
10343         * plugin.cc (ld_plugin_message): Change format parameter to const.
10344         Fix mismatch between new[] and delete.
10345
10346 2008-11-14  Cary Coutant  <ccoutant@google.com>
10347
10348         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10349         instead of -1U.
10350
10351 2008-11-05  Craig Silverstein  <csilvers@google.com>
10352
10353         * options.cc (General_options::parse_dynamic_list): New function.
10354         * options.h (General_options): New flags dynamic_list,
10355         dynamic_list_data, dynamic_list_cpp_new, and
10356         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10357         (General_options::in_dynamic_list): New function.
10358         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10359         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10360         (Lex::can_continue_name): Likewise.
10361         (yylex): Likewise.
10362         (read_script_file): New parameter script_options.
10363         (read_dynamic_list): New function.
10364         (Script_options::define_dynamic_list): New function.
10365         (dynamic_list_keyword_parsecodes): New variable.
10366         (dynamic_list_keywords): New variable.
10367         * script.h (Script_options::define_dynamic_list): New function
10368         prototype.
10369         (read_dynamic_list): New function prototype.
10370         * symtab.cc (strprefix): New macro.
10371         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10372         dynamic_list_data, dynamic_list_cpp_new, and
10373         dynamic_list_cpp_typeinfo.
10374         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10375         (dynamic_list_expr): New rule.
10376         (dynamic_list_nodes): Likewise.
10377         (dynamic_list_node): Likewise.
10378         * testsuite/Makefile.am (dynamic_list): New test.
10379         * testsuite/Makefile.in: Regenerated.
10380         * testsuite/dynamic_list.t: New file.
10381         * testsuite/dynamic_list.sh: New file.
10382
10383 2008-11-05  Craig Silverstein  <csilvers@google.com>
10384
10385         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10386         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10387         (t11_last): Likewise.
10388         * testsuite/ver_test_6.c (main): Likewise.
10389
10390 2008-10-07  Cary Coutant  <ccoutant@google.com>
10391
10392         * options.c (General_options::finalize): Add check for -static and
10393         -shared.
10394         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10395         is not empty.
10396
10397 2008-10-02  Cary Coutant  <ccoutant@google.com>
10398
10399         * plugin.cc (make_sized_plugin_object): Fix conditional
10400         compilation to work when not all targets are enabled.
10401
10402 2008-09-29  Cary Coutant  <ccoutant@google.com>
10403
10404         * archive.cc (Archive::get_file_and_offset): Use filename instead
10405         of name to get library path.
10406         (Archive::include_member): Unlock external member of a thin archive.
10407
10408         * testsuite/Makefile.am (TEST_AR): New variable.
10409         (thin_archive_test_1): New test.
10410         (thin_archive_test_2): New test.
10411         * testsuite/Makefile.in: Regenerate.
10412         * testsuite/thin_archive_main.cc: New file.
10413         * testsuite/thin_archive_test_1.cc: New file.
10414         * testsuite/thin_archive_test_2.cc: New file.
10415         * testsuite/thin_archive_test_3.cc: New file.
10416         * testsuite/thin_archive_test_4.cc: New file.
10417
10418 2008-09-29  Cary Coutant  <ccoutant@google.com>
10419
10420         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10421         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10422         instead of -1U.
10423         (Sized_relobj::do_finalize_local_symbols): Likewise.
10424         (Sized_relobj::map_to_kept_section): Likewise.
10425         * object.h (Sized_relobj::invalid_address): New constant.
10426         (Sized_relobj::do_output_section_offset): Check for invalid_address
10427         and return -1ULL.
10428         * output.cc (Output_reloc::local_section_offset): Use constant
10429         invalid_address instead of -1U.
10430         (Output_reloc::get_address): Likewise.
10431         (Output_section::output_address): Change -1U to -1ULL.
10432         * output.h (Output_reloc::invalid_address): New constant.
10433         * reloc.cc (Sized_relobj::write_sections): Use constant
10434         invalid_address instead of -1U.
10435         (Sized_relobj::relocate_sections): Likewise.
10436         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10437         values for merge sections.
10438         * target-reloc.h (relocate_for_relocatable): Use constant
10439         invalid_address instead of -1U.
10440
10441 2008-09-19  Cary Coutant  <ccoutant@google.com>
10442
10443         Add plugin functionality for link-time optimization (LTO).
10444         * configure.ac (plugins): Add --enable-plugins option.
10445         * configure: Regenerate.
10446         * config.in: Regenerate.
10447         * Makefile.am (LIBDL): New variable.
10448         (CCFILES): Add plugin.cc.
10449         (HFILES): Add plugin.h.
10450         (ldadd_var): Add LIBDL.
10451         * Makefile.in: Regenerate.
10452
10453         * archive.cc: Include "plugin.h".
10454         (Archive::setup): Don't preread archive symbols when using a plugin.
10455         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10456         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10457         files.
10458         (Archive::include_member): Add symbols from plugin objects.
10459         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10460         * descriptors.cc (Descriptors::open): Check for file descriptors
10461         abandoned by plugins.
10462         (Descriptors::claim_for_plugin): New function.
10463         * descriptors.h (Descriptors::claim_for_plugin): New function.
10464         (Open_descriptor::is_claimed): New field.
10465         (claim_descriptor_for_plugin): New function.
10466         * fileread.cc (File_read::claim_for_plugin): New function.
10467         * fileread.h (File_read::claim_for_plugin): New function.
10468         (File_read::descriptor): New function.
10469         * gold.cc: Include "plugin.h".
10470         (queue_initial_tasks): Add task to call plugin hooks for generating
10471         new object files.
10472         * main.cc: Include "plugin.h".
10473         (main): Load plugin libraries.
10474         * object.h (Pluginobj): Declare.
10475         (Object::pluginobj): New function.
10476         (Object::do_pluginobj): New function.
10477         (Object::set_target): New function.
10478         * options.cc: Include "plugin.h".
10479         (General_options::parse_plugin): New function.
10480         (General_options::General_options): Initialize plugins_ field.
10481         (General_options::add_plugin): New function.
10482         * options.h (Plugin_manager): Declare.
10483         (General_options): Add --plugin option.
10484         (General_options::has_plugins): New function.
10485         (General_options::plugins): New function.
10486         (General_options::add_plugin): New function.
10487         (General_options::plugins_): New field.
10488         * plugin.cc: New file.
10489         * plugin.h: New file.
10490         * readsyms.cc: Include "plugin.h".
10491         (Read_symbols::do_read_symbols): Check for archive before checking
10492         for ELF file.  Call plugin hooks to claim files.
10493         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10494         from a real object file; force override when processing replacement
10495         files.
10496         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10497         (Symbol::init_base_object): Likewise.
10498         (Symbol::init_base_output_data): Likewise.
10499         (Symbol::init_base_output_segment): Likewise.
10500         (Symbol::init_base_constant): Likewise.
10501         (Symbol::init_base_undefined): Likewise.
10502         (Symbol::output_section): Assert that object is not a plugin.
10503         (Symbol_table::add_from_pluginobj): New function.
10504         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10505         undefined.
10506         (Symbol_table::sized_write_globals): Likewise.
10507         (Symbol_table::add_from_pluginobj): Instantiate template.
10508         * symtab.h (Sized_pluginobj): Declare.
10509         (Symbol::in_real_elf): New function.
10510         (Symbol::set_in_real_elf): New function.
10511         (Symbol::in_real_elf_): New field.
10512         (Symbol_table::add_from_pluginobj): New function.
10513
10514         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10515         (LIBDL): New variable.
10516         (LDADD): Add LIBDL.
10517         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10518         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10519         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10520         (MOSTLYCLEANFILES): Likewise.
10521         * testsuite/Makefile.in: Regenerate.
10522         * testsuite/plugin_test.c: New file.
10523         * testsuite/plugin_test_1.sh: New file.
10524         * testsuite/plugin_test_2.sh: New file.
10525
10526 2008-09-16  Ian Lance Taylor  <iant@google.com>
10527
10528         * target-reloc.h (relocate_section): Check whether a symbol is
10529         defined by the ABI before reporting an undefined symbol error.
10530         * target.h (Target::is_defined_by_abi): Make parameter const.
10531         (Target::do_is_defined_by_abi): Likewise.
10532         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10533         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10534         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10535         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10536         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10537         * testsuite/Makefile.in: Rebuild.
10538
10539         * fileread.cc (make_view): Add casts to avoid warning.
10540
10541 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10542
10543         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10544         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10545
10546 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10547
10548         * options.h (General_options::output_is_executable): New.
10549         (General_options::output_is_pie): New.
10550         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10551         for shared libraries.
10552         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10553
10554 2008-09-11  Chris Demetriou  <cgd@google.com>
10555
10556         * options.h (origin): New -z option.
10557         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10558         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10559         in DT_FLAGS_1.
10560
10561 2008-09-05  Cary Coutant  <ccoutant@google.com>
10562
10563         * fileread.cc (File_read::make_view): Add check for attempt to map
10564         beyond end of file.
10565
10566 2008-09-05  Cary Coutant  <ccoutant@google.com>
10567
10568         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10569         explicit instantiations.
10570
10571 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10572
10573         PR gold/6858
10574         * options.cc (General_options::finalize): Allow undefined symbols
10575         in shlibs if linking -shared.
10576
10577         PR gold/6859
10578         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10579         symbols as not needing a dynsym entry.
10580
10581 2008-08-20  Craig Silverstein  <csilvers@google.com>
10582
10583         * fileread.cc (File_read::open): Do not lock the file unless it
10584         was successfully opened.
10585
10586 2008-08-14  Cary Coutant  <ccoutant@google.com>
10587
10588         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10589         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10590         * testsuite/tls_test.cc (struct int128): 128-bit struct
10591         for testing TLS relocs with non-zero addend.
10592         (v12): New TLS variable.
10593         (t12): New test.
10594         (t_last): Add check for v12.
10595         * testsuite/tls_test.h (t12): New function.
10596         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10597
10598 2008-08-13  Ian Lance Taylor  <iant@google.com>
10599
10600         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10601         set tls_segment_ or relro_segment_.
10602         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10603         when appropriate.
10604         * output.h (Output_section::clear_is_relro): New function.
10605         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10606         sections specially even when output_data_ is empty.
10607         (Output_segment::maximum_alignment): When first section is relro,
10608         only force alignment for PT_LOAD segments.
10609         * script.cc (script_data_segment_align): New function.
10610         (script_data_segment_relro_end): New function.
10611         * script-c.h (script_data_segment_align): Declare.
10612         (script_data_segment_relro_end): Declare.
10613         * script-sections.h (class Script_sections): Declare
10614         data_segment_align and data_segment_relro_end.  Add fields
10615         segment_align_index_ and saw_relro_end_.
10616         * script-sections.cc (class Sections_element): Add set_is_relro
10617         virtual function.  Add new bool* parameter to place_orphan_here.
10618         Add get_output_section virtual function.
10619         (class Output_section_definition): Add set_is_relro.  Add new
10620         bool* parameter to place_orphan_here.  Add get_output_section.
10621         Add is_relro_ field.
10622         (Output_section_definition::Output_section_definition): Initialize
10623         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10624         and is_relro_ fields.
10625         (Output_section_definition::place_orphan_here): Add is_relro
10626         parameter.
10627         (Output_section_definition::set_section_addresses): Set relro for
10628         output section.
10629         (Output_section_definition::alternate_constraint): Likewise.
10630         (class Orphan_output_section): Add new bool* parameter to
10631         place_orphan_here.  Add get_output_section.
10632         (Orphan_output_section::place_orphan_here): Add is_relro
10633         parameter.
10634         (Script_sections::Script_sections): Initialize
10635         data_segment_align_index_ and saw_relro_end_.
10636         (Script_sections::data_segment_align): New function.
10637         (Script_sections::data_segment_relro_end): New function.
10638         (Script_sections::place_orphan): Set or clear is_relro.
10639         (Script_sections::set_section_addresses): Force alignment of first
10640         TLS section.
10641         * yyscript.y (exp): Call script_data_segment_align and
10642         script_data_segment_relro_end.
10643         * testsuite/relro_script_test.t: New file.
10644         * testsuite/relro_test.cc (using_script): Declare.
10645         (t1, t2): Test using_script.
10646         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10647         (relro_script_test_SOURCES): Define.
10648         (relro_script_test_DEPENDENCIES): Define.
10649         (relro_script_test_LDFLAGS): Define.
10650         (relro_script_test_LDADD): Define.
10651         (relro_script_test.so): New target.
10652         * testsuite/Makefile.in: Rebuild.
10653
10654 2008-08-06  Cary Coutant <ccoutant@google.com>
10655
10656         * archive.cc (Archive::total_archives, Archive::total_members)
10657         (Archive::total_members_loaded): New variables.
10658         (Archive::setup): Add parameter.  Add option to preread
10659         archive symbols.
10660         (Archive::read_armap): Add counter.
10661         (Archive::get_file_and_offset): New function.
10662         (Archive::get_elf_object_for_member): New function.
10663         (Archive::read_all_symbols): New function.
10664         (Archive::read_symbols): New function.
10665         (Archive::add_symbols): Add counters.
10666         (Archive::include_all_members): Use armap to find members if it's
10667         already built.
10668         (Archive::include_member): Skip reading symbols if already read.
10669         Factored code into Archive::get_file_and_offset and
10670         Archive::get_elf_object_for_member.  Changed call to
10671         Mapfile::report_include_archive_member.
10672         (Archive::print_stats): New function.
10673         * archive.h: Declare Object and Read_symbols_data classes.
10674         (Archive::Archive): Add initializers for new members.
10675         (Archive::setup): Add parameter.
10676         (Archive::print_stats): New function.
10677         (Archive::total_archives, Archive::total_members)
10678         (Archive::total_members_loaded): New variables.
10679         (Archive::get_file_and_offset): New function.
10680         (Archive::get_elf_object_for_member): New function.
10681         (Archive::read_all_symbols): New function.
10682         (Archive::read_symbols): New function.
10683         (Archive::Archive_member): New class.
10684         (Archive::members_): New member.
10685         (Archive::num_members_): New member.
10686         * main.cc: Include archive.h.
10687         (main): Call Archive::print_stats.
10688         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10689         archive parameter; member_name is now the fully-decorated name.
10690         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10691         * options.h: (General_options): Add --preread-archive-symbols option.
10692         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10693         Archive::setup.
10694
10695 2008-08-04  Ian Lance Taylor  <iant@google.com>
10696
10697         * symtab.h (Symbol::use_plt_offset): New function.
10698         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10699         * powerpc.cc (Relocate::relocate): Likewise.
10700         * sparc.cc (Relocate::relocate): Likewise.
10701         * x86_64.cc (Relocate::relocate): Likewise.
10702         * testsuite/weak_plt.sh: New test.
10703         * testsuite/weak_plt_main.cc: New test.
10704         * testsuite/weak_plt_shared.cc: New test.
10705         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10706         (check_PROGRAMS): Add weak_plt.
10707         (check_DATA): Add weak_plt_shared.so.
10708         (weak_plt_main_pic.o, weak_plt): New targets.
10709         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10710         * testsuite/Makefile.in: Rebuild.
10711
10712         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10713         gcctestdir/ld.
10714         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10715         * testsuite/Makefile.in: Rebuild.
10716
10717 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10718
10719         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10720         * Makefile.in: Regenerate.
10721         * po/POTFILES.in: Regenerate.
10722
10723 2008-07-29  Ian Lance Taylor  <iant@google.com>
10724
10725         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10726         symbols before other symbols.
10727         * testsuite/script_test_2.cc (test_addr): Declare.
10728         (test_addr_alias): Declare.
10729         (main): Check that test_addr and test_addr_alias have the right
10730         values.
10731         * testsuite/script_test_2.t: Define test_addr_alias and
10732         test_addr.
10733
10734 2008-07-24  Ian Lance Taylor  <iant@google.com>
10735
10736         PR 5990
10737         * descriptors.cc: New file.
10738         * descriptors.h: New file.
10739         * gold-threads.h (class Hold_optional_lock): New class.
10740         * fileread.cc: Include "descriptors.h".
10741         (File_read::~File_read): Release descriptor rather than closing
10742         it.
10743         (File_read::open) [file]: Call open_descriptor rather than open.
10744         Set is_descriptor_opened_.
10745         (File_read::open) [memory]: Assert that descriptor is not open.
10746         (File_read::reopen_descriptor): New function.
10747         (File_read::release): Release descriptor.
10748         (File_read::do_read): Make non-const.  Reopen descriptor.
10749         (File_read::read): Make non-const.
10750         (File_read::make_view): Reopen descriptor.
10751         (File_read::do_readv): Likewise.
10752         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10753         Update declarations.
10754         * layout.cc: Include "descriptors.h".
10755         (Layout::create_build_id): Use open_descriptor rather than open.
10756         * output.cc: Include "descriptors.h".
10757         (Output_file::open): Use open_descriptor rather than open.
10758         * archive.cc (Archive::const_iterator): Change Archive to be
10759         non-const.
10760         (Archive::begin, Archive::end): Make non-const.
10761         (Archive::count_members): Likewise.
10762         * archive.h (class Archive): Update declarations.
10763         * object.h (Object::read): Make non-const.
10764         * Makefile.am (CCFILES): Add descriptors.cc.
10765         (HFILES): Add descriptors.h.
10766         * Makefile.in: Rebuild.
10767
10768         PR 6716
10769         * gold.h: Always include <clocale>.  Add Solaris workarounds
10770         following code in binutils/sysdep.h.
10771
10772         PR 6048
10773         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10774         this->eh_frame_hdr_ is NULL before using it.
10775
10776         * dynobj.cc (Versions::Versions): Update comment.
10777
10778         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10779         the base version name.
10780
10781         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10782         array size plus one.
10783         (Stringpool_template::set_string_offsets): Subtract one from key
10784         before using it as an array index.
10785         (Stringpool_template::get_offset_with_length): Likewise.
10786         (Stringpool_template::write_to_buffer): Likewise.
10787         * stringpool.h (Stringpool_template::get_offset_from_key):
10788         Likewise.
10789
10790 2008-07-23  Ian Lance Taylor  <iant@google.com>
10791
10792         PR 6658
10793         * object.h (Merged_symbol_value::value): Do our best to handle a
10794         negative addend.
10795
10796         PR 6647
10797         * script.cc (Version_script_info::get_versions): Don't add empty
10798         version tag to return value.
10799         (Version_script_info::get_symbol_version_helper): Change return
10800         type to bool.  Add pversion parameter.  Change all callers.
10801         (script_register_vers_node): Don't require a non-NULL tag.
10802         * script.h (class Version_script_info): Update declarations.
10803         (Version_script_info::get_symbol_version): Change return type to
10804         bool.  Add version parameter.  Change all callers.
10805         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10806         handling.  Handle an empty version from a version script.
10807         (Symbol_table::define_special_symbol): Likewise.
10808         * testsuite/ver_test_10.script: New file.
10809         * testsuite/ver_test_10.sh: New file.
10810         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10811         (check_DATA): Add ver_test_10.syms.
10812         (ver_test_10.syms, ver_test_10.so): New target.
10813         * testsuite/Makefile.in: Rebuild.
10814
10815 2008-07-23  Simon Baldwin  <simonb@google.com>
10816
10817         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10818         to zero for undefined symbols from dynamic libraries.
10819
10820 2008-07-23  Ian Lance Taylor  <iant@google.com>
10821
10822         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10823         Change all callers.
10824         * symtab.h (class Symbol_table): Update declaration.
10825         * testsuite/ver_test_9.cc: New file.
10826         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10827         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10828         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10829         (ver_test_9.so, ver_test_9.o): New targets.
10830         * testsuite/Makefile.in: Rebuild.
10831
10832 2008-07-22  Ian Lance Taylor  <iant@google.com>
10833
10834         * options.h (class General_options): Define --check-sections.
10835         * layout.cc (Layout::set_segment_offsets): Handle
10836         --check-sections.
10837
10838         * options.h (class General_options): Define -n/--nmagic and
10839         -N/--omagic.
10840         * options.cc (General_options::finalize): For -n/--nmagic or
10841         -N/--omagic, set -static.
10842         * layout.cc (Layout::attach_allocated_section_to_segment): If
10843         -N/--omagic, don't put read-only and read-write sections in
10844         different segments.
10845         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10846         finding a read-only segment.
10847         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10848         don't set the minimum segment alignment to the common page size,
10849         and don't set the file offset to the address modulo the page size.
10850         * script-sections.cc (Script_sections::create_segments): If
10851         -n/--omagic, don't put read-only and read-write sections in
10852         different segments.
10853
10854         * cref.cc: New file.
10855         * cref.h: New file.
10856         * options.h (class General_options): Add --print-symbol-counts.
10857         * main.cc (main): Issue defined symbol report if requested.
10858         * archive.cc (Archive::interpret_header): Make into a const member
10859         function.
10860         (Archive::add_symbols): Call Input_objects::archive_start and
10861         archive_stop.
10862         (Archive::const_iterator): Define new class.
10863         (Archive::begin, Archive::end): New functions.
10864         (Archive::include_all_members): Rewrite to use iterator.
10865         (Archive::count_members): New function.
10866         * archive.h (class Archive): Update declarations.
10867         (Archive::filename): New function.
10868         * object.cc: Include "cref.h".
10869         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10870         (Sized_relobj::do_get_global_symbol_counts): New function.
10871         (Input_objects::add_object): Add object to cross-referencer.
10872         (Input_objects::archive_start): New function.
10873         (Input_objects::archive_stop): New function.
10874         (Input_objects::print_symbol_counts): New function.
10875         * object.h: Declare Cref and Archive.
10876         (Object::get_global_symbol_counts): New function.
10877         (Object::do_get_global_symbol_counts): New pure virtual function.
10878         (class Sized_relobj): Add defined_count_ field.  Update
10879         declarations.
10880         (class Input_objects): Add cref_ field.  Update constructor.
10881         Update declarations.
10882         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10883         defined_count_.
10884         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10885         symbol counts.
10886         (Sized_dynobj::do_get_global_symbol_counts): New function.
10887         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10888         defined_count_.  Update declarations.  Define Symbols typedef.
10889         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10890         parameter.  Change all callers.
10891         (Symbol_table::add_from_dynobj): Add sympointers and defined
10892         parameters.  Change all callers.
10893         * symtab.h (class Symbol_table): Update declarations.
10894         * Makefile.am (CCFILES): Add cref.cc.
10895         (HFILES): Add cref.h.
10896         * Makefile.in: Rebuild.
10897
10898 2008-07-22  Simon Baldwin  <simonb@google.com>
10899
10900         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10901         to zero when writing undefined symbols.
10902
10903 2008-07-22  Ian Lance Taylor  <iant@google.com>
10904
10905         * output.cc (Output_section::add_input_section): Don't try to
10906         merge empty merge sections.
10907
10908 2008-07-21  Craig Silverstein  <csilvers@google.com>
10909
10910         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10911         Include symbol version in error message.
10912
10913 2008-07-20  Chris Demetriou  <cgd@google.com>
10914
10915         * configure.ac (gold_cv_c_random_seed): New configured variable.
10916         (RANDOM_SEED_CFLAGS): New substituted variable.
10917         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10918         * configure: Rebuild.
10919         * Makefile.in: Likewise.
10920         * testsuite/Makefile.in: Likewise.
10921
10922 2008-07-18  Ian Lance Taylor  <iant@google.com>
10923
10924         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10925         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10926         * testsuite/ver_test_main.cc (main): Call t4.
10927         (t4, t4_2a): Define.
10928         * testsuite/ver_test_2.cc (t4_2): Define.
10929         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10930         * testsuite/ver_test_4.cc (t4_2a): Define.
10931         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10932         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10933
10934 2008-07-17  Ian Lance Taylor  <iant@google.com>
10935
10936         * dynobj.cc (Versions::add_def): If we give an error about a
10937         missing version, go ahead and create the version anyhow.
10938
10939 2008-07-10  Ian Lance Taylor  <iant@google.com>
10940
10941         Handle output sections with more than 0x7fffffff bytes.
10942         * object.h (class Relobj): Change map_to_output_ to
10943         output_sections_, and just keep a section pointer.  Change all
10944         uses.  Move comdat group support to Sized_relobj.
10945         (Relobj::is_section_specially_mapped): Remove.
10946         (Relobj::output_section): Remove poff parameter.  Change all
10947         callers.
10948         (Relobj::output_section_offset): New function.
10949         (Relobj::set_section_offset): Rewrite.
10950         (Relobj::map_to_output): Remove.
10951         (Relobj::output_sections): New function.
10952         (Relobj::do_output_section_offset): New pure virtual function.
10953         (Relobj::do_set_section_offset): Likewise.
10954         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10955         group support from Relobj.  Update declarations.
10956         (Sized_relobj::get_output_section_offset): New function.
10957         (Sized_relobj::do_output_section_offset): New function.
10958         (Sized_relobj::do_set_section_offset): New function.
10959         * object.cc (Relobj::output_section_address): Remove.
10960         (Sized_relobj::Sized_relobj): Initialize new fields.
10961         (Sized_relobj::include_section_group): Cast find_kept_object to
10962         Sized_relobj.
10963         (Sized_relobj::include_linkonce_section): Likewise.
10964         (Sized_relobj::do_layout): Use separate arrays for output section
10965         and output offset.
10966         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10967         output_sections.
10968         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10969         output_sections and section_offsets.
10970         (Sized_relobj::write_local_symbols): Likewise.
10971         (map_to_kept_section): Compute output address directly.
10972         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10973         output_sections and section_offsets.
10974         (Sized_relobj::write_sections): Likewise.
10975         (Sized_relobj::relocate_sections): Likewise.
10976         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10977         * output.h (class Output_reloc): Update declarations.  Change
10978         u2_.relobj to Sized_relobj*.
10979         (class Output_data_reloc): Change add functions to use
10980         Sized_relobj*.
10981         * output.cc (Output_reloc::Output_reloc): Change relobj to
10982         Sized_relobj*.
10983         (Output_reloc::local_section_offset): Change return type to
10984         Elf_Addr.  Use get_output_section_offset.
10985         (Output_reloc::get_address): Likewise.
10986         (Output_section::is_input_address_mapped): Don't call
10987         is_section_specially_mapped.
10988         (Output_section::output_offset): Likewise.
10989         (Output_section::output_address): Likewise.
10990         (Output_section::starting_output_address): Likewise.
10991         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10992         parameter to Sized_relobj*.
10993         (Copy_relocs::need_copy_reloc): Likewise.
10994         (Copy_relocs::save): Likewise.
10995         * copy-relocs.h (class Copy_relocs): Update declarations.
10996         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10997         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
10998         * target-reloc.h (relocate_for_relocatable): Change
10999         offset_in_output_section type to Elf_Addr.  Change code that uses
11000         it as well.
11001         * layout.cc (Layout::layout): Always set *off.
11002         * mapfile.cc (Mapfile::print_input_section): Use
11003         output_section_offset.
11004         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11005         Sized_relobj*.
11006         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11007         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11008         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11009
11010 2008-07-03  Ian Lance Taylor  <iant@google.com>
11011
11012         * layout.cc (Layout::include_section): Do not discard unrecognized
11013         SHT_STRTAB sections.
11014
11015 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11016
11017         * script.cc (Lex::can_continue_name): Make '?' allowable in
11018         version-script names.
11019         * testsuite/version_script.map: Change glob pattern to use '?'
11020
11021 2008-06-30  Manish Singh  <yosh@gimp.org>
11022
11023         PR 6585
11024         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11025         Correct typo.
11026
11027 2008-06-30  Ian Lance Taylor  <iant@google.com>
11028
11029         PR 6660
11030         PR 6682
11031         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11032         versions]: Don't try to read the value in the contents, since we
11033         don't use it.  Use the template endianness when writing.
11034
11035 2008-06-25  Cary Coutant  <ccoutant@google.com>
11036
11037         * fileread.cc (File_read::make_view): Assert on zero-length view.
11038         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11039         symbol table when there are no symbols to read.
11040
11041 2008-06-23  Craig Silverstein  <csilvers@google.com>
11042
11043         * version.cc (version_string): Bump to 1.7
11044
11045 2008-06-18  Craig Silverstein  <csilvers@google.com>
11046
11047         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11048         constant 0xFFFF to type Valtype.
11049         (Powerpc_relocate_functions::rel16_ha): Likewise.
11050
11051 2008-06-17  Ian Lance Taylor  <iant@google.com>
11052
11053         * output.h (Output_section::Input_section): Initialize p2align_ to
11054         zero for Output_section_data constructors.
11055         (Output_section::Input_section::addralign): If not an input
11056         section, return the alignment of the Output_section_data.
11057         * testsuite/copy_test.cc: New file.
11058         * testsuite/copy_test_1.cc: New file.
11059         * testsuite/copy_test_2.cc: New file.
11060         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11061         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11062         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11063         (copy_test_1_pic.o, copy_test_1.so): New targets.
11064         (copy_test_2_pic.o, copy_test_2.so): New targets.
11065         * testsuite/Makefile.in: Rebuild.
11066
11067         * script-sections.cc (Script_sections::place_orphan): Initialize
11068         local variable exact.
11069
11070 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11071
11072         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11073
11074 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11075             David S. Miller  <davem@davemloft.net>
11076
11077         * powerpc.cc: New file.
11078         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11079         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11080         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11081         * Makefile.in: Rebuild.
11082
11083 2008-06-09  Ian Lance Taylor  <iant@google.com>
11084
11085         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11086         <exception>.
11087         (throwing, orig_terminate): New static variables.
11088         (terminate_handler): New static function.
11089         (t2): Set terminate handler.
11090
11091 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11092
11093         PR 6584
11094         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11095         alignment.
11096
11097 2008-05-30  Cary Coutant  <ccoutant@google.com>
11098
11099         * archive.cc (Archive::include_all_members) Correct to step
11100         over symbol table and extended name table in thin archives.
11101
11102 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11103
11104         PR 6407
11105         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11106         calculation.
11107
11108 2008-05-28  Caleb Howe  <cshowe@google.com>
11109
11110         * reduced_debug_output.cc: New file.
11111         * reduced_debug_output.h: New file.
11112         * options.h (class General_options): Add --strip-debug-non-line.
11113         * options.cc (General_options::finalize): Add strip_debug_non_line
11114         to the strip heirarchy.
11115         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11116         fields.
11117         * layout.cc: Include "reduced_debug_output.h".
11118         (Layout::Layout): Initialize new fields.
11119         (line_only_debug_sections): New static array.
11120         (is_lines_only_debug_sections): New static inline function.
11121         (Layout::include_section): Handle --strip-debug-non-line.
11122         (Layout::make_output_section): If --strip-debug-non-line, build
11123         new output sections for .debug_abbrev and .debug_info.
11124         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11125         gold.  Warn about possible overflow.
11126         (read_signed_LEB_128): Likewise.
11127         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11128         (read_signed_LEB_128): Declare.
11129         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11130         (HFILES): Add reduced_debug_output.h.
11131         * Makefile.in: Rebuild.
11132
11133 2008-05-21  Ian Lance Taylor  <iant@google.com>
11134
11135         * mapfile.cc: New file.
11136         * mapfile.h: New file.
11137         * options.h (class General_options): Add -M/--print-map and -Map.
11138         * options.cc (General_options::finalize): Make -M equivalent to
11139         -Map -.
11140         * main.cc: Include <cstdio> and "mapfile.h".
11141         (main): Open mapfile if requested.
11142         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11143         constructor.  Change caller.
11144         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11145         (queue_middle_tasks): Likewise.
11146         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11147         declarations.
11148         * archive.cc: Include "mapfile.h".
11149         (Archive::add_symbols): Add mapfile parameter.  Change all
11150         callers.  Pass mapfile, symbol, and reason to include_member.
11151         (Archive::include_all_members): Add mapfile parameter.  Change all
11152         callers.
11153         (Archive::include_member): Add mapfile, sym, and why parameters.
11154         Change all callers.  Report inclusion to map file.
11155         * archive.h: Include "fileread.h".
11156         (class Archive): Update declarations.
11157         (Archive::file): New const method.
11158         (class Add_archive_symbols): Add mapfile_ field.  Update
11159         constructor.  Change all callers.
11160         * readsyms.h (class Read_symbols): Likewise.
11161         (class Finish_group): Likewise.
11162         (class Read_script): Likewise.
11163         * common.cc: Include "mapfile.h".
11164         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11165         all callers.
11166         (Symbol_table::do_allocate_commons): Likewise.
11167         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11168         symbol allocation to mapfile.
11169         * common.h (class Allocate_commons_task): Add mapfile_ field.
11170         Update constructor.  Change all callers.
11171         * symtab.h (class Symbol_table): Update declarations.
11172         * layout.cc: Include "mapfile.h".
11173         (Layout_task_runner::run): Print information to mapfile.
11174         (Layout::create_gold_note): Change Output_data_fixed_space to
11175         Output_data_zero_fill.
11176         (Layout::create_build_id): Likewise.
11177         (Layout::print_to_mapfile): New function.
11178         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11179         constructor.  Change caller.
11180         (class Layout): Declare print_to_mapfile.
11181         * output.cc (Output_section::Input_section::print_to_mapfile): New
11182         function.
11183         (Output_section::add_input_section): If producing a map, always
11184         add to input_sections_ list.
11185         (Output_section::do_print_to_mapfile): New function.
11186         (Output_segment::print_sections_to_mapfile): New function.
11187         (Output_segment::print_section_list_to_mapfile): New function.
11188         * output.h: Include "mapfile.h".
11189         (Output_data::print_to_mapfile): New function.
11190         (Output_data::do_print_to_mapfile): New virtual function.
11191         (Output_segment_headers::do_print_to_mapfile): New function.
11192         (Output_file_header::do_print_to_mapfile): New function.
11193         (Output_data_const::do_print_to_mapfile): New function.
11194         (class Output_data_const_buffer): Add map_name_ field.  Update
11195         constructor.  Change all callers.  Add do_print_to_mapfile
11196         function.
11197         (class Output_data_fixed_space): Likewise.
11198         (class Output_data_space): Likewise.
11199         (class Output_data_zero_fill): New class.
11200         (Output_data_strtab::do_print_to_mapfile): New function.
11201         (Output_data_reloc_base::do_print_to_mapfile): New function.
11202         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11203         (Output_data_group::do_print_to_mapfile): New function.
11204         (Output_data_got::do_print_to_mapfile): New function.
11205         (Output_data_dynamic::do_print_to_mapfile): New function.
11206         (Output_symtab_xindex::do_print_to_mapfile): New function.
11207         (class Output_section): Declare do_print_to_mapflie.  Declare
11208         print_to_mapfile in Input_section.
11209         (class Output_segment): Declare new functions.
11210         * object.h (Sized_relobj::symbol_count): New function.
11211         * script-sections.cc
11212         (Output_section_element_dot_assignment::set_section_addresses):
11213         Change Output_data_fixed_space to Output_data_zero_fill.
11214         (Output_data_expression::do_print_to_mapfile): New function.
11215         * script.cc (read_input_script): Add mapfile parameter.  Change
11216         all callers.
11217         * script.h (read_input_script): Update declaration.
11218         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11219         (Eh_frame::do_print_to_mapfile): New function.
11220         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11221         (Output_merge_string::do_print_to_mapfile): New function.
11222         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11223         function.
11224         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11225         function.
11226         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11227         function.
11228         * Makefile.am (CCFILES): Add mapfile.cc.
11229         (HFILES): Add mapfile.h.
11230         * Makefile.in: Rebuild.
11231
11232 2008-05-19  Ian Lance Taylor  <iant@google.com>
11233
11234         * options.h (class General_options): Add -z relro.
11235         * layout.cc (Layout::Layout): Initialize relro_segment_.
11236         (Layout::add_output_section_data): Return the output section.
11237         (Layout::make_output_section): Rcognize relro sections and mark
11238         them appropriately.
11239         (Layout::attach_allocated_section_to_segment): Put relro sections
11240         in a PT_GNU_RELRO segment.
11241         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11242         section as relro.
11243         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11244         PT_TLS segments.
11245         (Layout::linkonce_mapping): Map d.rel.ro.local to
11246         .data.rel.ro.local.
11247         (Layout::output_section_name): Us .data.rel.ro.local for any
11248         section which begins with that.
11249         * layout.h (class Layout): Update add_output_section_data
11250         declaration.  Add relro_segment_ field.
11251         * output.cc (Output_section::Output_section): Initialize is_relro_
11252         and is_relro_local_ fields.
11253         (Output_segment::add_output_section): Group relro sections.
11254         (Output_segment::is_first_section_relro): New function.
11255         (Output_segment::maximum_alignment): If there is a relro section,
11256         align the segment to the common page size.
11257         (Output_segment::set_section_addresses): Track whether we are
11258         looking at relro sections.  If the last section is a relro
11259         section, align to the common page size.
11260         (Output_segment::set_section_list_addresses): Add in_relro
11261         parameter.  Change all callers.  Align to the page size when
11262         moving from relro to non-relro section.
11263         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11264         segment.
11265         * output.h (class Output_section): Add is_relro_ and
11266         is_relro_local_ fields.
11267         (Output_section::is_relro): New function.
11268         (Output_section::set_is_relro): New function.
11269         (Output_section::is_relro_local): New function.
11270         (Output_section::set_is_relro_local): New function.
11271         (class Output_segment): Update declarations.
11272         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11273         * sparc.cc (Target_sparc::got_section): Likewise.
11274         * x86_64.cc (Target_x86_64::got_section): Likewise.
11275         * testsuite/relro_test_main.cc: New file.
11276         * testsuite/relro_test.cc: New file.
11277         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11278         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11279         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11280         (relro_test.so, relro_test_pic.o): New targets.
11281         * testsuite/Makefile.in: Rebuild.
11282
11283 2008-05-16  Ian Lance Taylor  <iant@google.com>
11284
11285         * output.cc (Output_segment::add_output_section): Remove front
11286         parameter.
11287         * output.h (class Output_segment): Remove
11288         add_initial_output_section and overloaded add_output_section.
11289         Update declaration of remaining add_output_section.
11290         * layout.cc (Layout::create_interp): Call add_output_section
11291         rather than add_initial_output_section.
11292         (Layout::finish_dynamic_section): Likewise.
11293
11294         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11295         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11296         know the dynamic type.
11297         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11298         field.  Initialize it in constructor.
11299         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11300         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11301         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11302         reloc.
11303
11304         * output.cc (Output_reloc::get_address): Change return type to
11305         Elf_Addr.
11306         * output.h (class Output_reloc): Update get_address declaration.
11307         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11308         for section addresses.
11309
11310 2008-05-09  Ian Lance Taylor  <iant@google.com>
11311
11312         PR 6493
11313         * gold.cc (gold_nomem): Use return value of write.
11314
11315 2008-05-08  Ian Lance Taylor  <iant@google.com>
11316
11317         * symtab.c (Symbol::init_base_output_data): Add version
11318         parameter.  Change all callers.
11319         (Symbol::init_base_output_segment): Likewise.
11320         (Symbol::init_base_constant): Likewise.
11321         (Symbol::init_base_undefined): Likewise.
11322         (Sized_symbol::init_output_data): Likewise.
11323         (Sized_symbol::init_output_segment): Likewise.
11324         (Sized_symbol::init_constant): Likewise.
11325         (Sized_symbol::init_undefined): Likewise.
11326         (Symbol_table::do_define_in_output_data): If the new symbol has a
11327         version, mark it as the default.
11328         (Symbol_table::do_define_in_output_segment): Likewise.
11329         (Symbol_table::do_define_as_constant): Likewise.
11330         * symtab.h (class Symbol): Update declarations.
11331         (class Sized_symbol): Likewise.
11332         * resolve.cc (Symbol::override_version): New function.
11333         (Symbol::override_base): Call override_version.
11334         (Symbol::override_base_with_special): Likewise.
11335         * testsuite/ver_script_8.script: New file.
11336         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11337         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11338         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11339         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11340
11341 2008-05-06  Ian Lance Taylor  <iant@google.com>
11342
11343         PR 6049
11344         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11345         functions.
11346         (class General_options): Remove existing --undefined, and add
11347         --no-undefined instead.  Add new --undefined as synonym for -u.
11348         * archive.cc (Archive::add_symbols): Check whether symbol was
11349         named with -u.
11350         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11351         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11352         all uses.  Add IS_UNDEFINED.  Update declarations to split
11353         different versions of init_base.  Declare init_base_undefined.
11354         (Symbol::is_defined): Handle IS_UNDEFINED.
11355         (Symbol::is_undefined): Likewise.
11356         (Symbol::is_weak_undefined): Call is_undefined.
11357         (Symbol::is_absolute): Handle IS_CONSTANT.
11358         (class Sized_symbol): Update declarations to split different
11359         versions of init.  Declare init_undefined.
11360         (class Symbol_table): Declare new functions.
11361         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11362         Change all callers.
11363         (Symbol::init_base_output_data): Likewise.
11364         (Symbol::init_base_output_segment): Likewise.
11365         (Symbol::init_base_constant): Likewise.
11366         (Symbol::init_base_undefined): New function.
11367         (Sized_symbol::init_object): Rename from init.  Change all
11368         callers.
11369         (Sized_symbol::init_output_data): Likewise.
11370         (Sized_symbol::init_output_segment): Likewise.
11371         (Sized_symbol::init_constant): Likewise.
11372         (Sized_symbol::init_undefined): New function.
11373         (Symbol_table::add_undefined_symbols_from_command_line): New
11374         function.
11375         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11376         function.
11377         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11378         (Symbol::output_section): Likewise.
11379         (Symbol::set_output_section): Likewise.
11380         (Symbol_table::sized_finalize_symbol): Likewise.
11381         (Symbol_table::sized_write_globals): Likewise.
11382         * resolve.cc (Symbol_table::should_override): Likewise.
11383         (Symbol::override_base_with_special): Likewise.
11384
11385         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11386         symbol, change it to have default visibility.
11387         * testsuite/protected_1.cc: New file.
11388         * testsuite/protected_2.cc: New file.
11389         * testsuite/protected_3.cc: New file.
11390         * testsuite/protected_main_1.cc: New file.
11391         * testsuite/protected_main_2.cc: New file.
11392         * testsuite/protected_main_3.cc: New file.
11393         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11394         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11395         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11396         (protected_1.so): New target.
11397         (protected_1_pic.o, protected_2_pic.o): New targets.
11398         (protected_3_pic.o): New target.
11399         (check_PROGRAMS): Add protected_2.
11400         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11401         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11402         * testsuite/Makefile.in: Rebuild.
11403
11404         * options.h (DEFINE_var): Add set_user_set_##varname__.
11405         (DEFINE_bool_alias): New macro.
11406         (class General_options): Define -Bstatic using DEFINE_bool_alias
11407         rather than DEFINE_special.  Add --undefined as an alias for -z
11408         defs.
11409         * options.cc (General_options::parse_Bstatic): Remove.
11410
11411         * options.h (class General_options): Add --fatal-warnings.
11412         * main.cc (main): Implement --fatal-warnings.
11413         * errors.h (Errors::warning_count): New function.
11414
11415         * options.h (class General_options): Add -Bsymbolic-functions.
11416         * symtab.h (Symbol::is_preemptible): Check for
11417         -Bsymbolic-functions.
11418
11419 2008-05-05  Ian Lance Taylor  <iant@google.com>
11420
11421         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11422         as noVARNAME rather than no-VARNAME.
11423         (class General_options): Add option -z combreloc.
11424         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11425         get_address.
11426         (Output_reloc::sort_before) [SHT_REL]: New function.
11427         (Output_reloc::sort_before) [SHT_RELA]: New function.
11428         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11429         Sort_relocs_comparison.
11430         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11431         parameter.  Change all callers.
11432         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11433         sort_relocs parameter.  Change all callers.
11434         * output.cc (Output_reloc::get_address): New function, broken out
11435         of write_rel.
11436         (Output_reloc::write_rel): Call it.
11437         (Output_reloc::compare): New function.
11438         (Output_data_reloc_base::do_write): Optionally sort relocs.
11439
11440         * configure.ac: If targ_extra_obj is set, link it in.
11441         * configure.tgt: Initialize all variables.
11442         (x86_64*): Set targ_extra_obj and targ_extra_size.
11443         * configure: Rebuild.
11444
11445         * object.cc (Sized_relobj::include_section_group): Adjust section
11446         indexes read from group data.  Build vector to pass to
11447         layout_group.
11448         * layout.cc (Layout::layout_group): Add flags and shndxes
11449         parameters.  Remove contents parameter.  Change caller.  Update
11450         explicit instantiations.
11451         * layout.h (class Layout): Update layout_group declaration.
11452         * output.cc (Output_data_group::Output_data_group): Add flags and
11453         input_shndxes parameters.  Remove contents parameter.  Change
11454         caller.
11455         (Output_data_group::do_write): Change input_sections_ to
11456         input_shndxes_.
11457         * output.h (class Output_data_group): Update constructor
11458         declaration.  Rename input_sections_ to input_shndxes_.
11459         * testsuite/many_sections_test.cc: Add template.
11460
11461 2008-04-30  Cary Coutant  <ccoutant@google.com>
11462
11463         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11464
11465         * layout.cc (Layout::include_section): Refactored check for debug
11466         info section.
11467         (Layout::add_comdat): Add new parameters.  Change type
11468         of signature parameter.  Add object and shndx to signatures table.
11469         (Layout::find_kept_object): New function.
11470         * layout.h: Include <cstring>.
11471         (Layout::is_debug_info_section): New function.
11472         (Layout::add_comdat): Add new parameters.
11473         (Layout::find_kept_object): New function.
11474         (Layout::Kept_section): New struct.
11475         (Layout::Signatures): Change type of map range.
11476         * object.cc (Relobj::output_section_address): New function.
11477         (Sized_relobj::include_section_group): Add new parameters.  Change
11478         calls to Layout::add_comdat.  Change to build table of kept comdat
11479         groups and table mapping discarded sections to kept sections.
11480         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11481         (Sized_relobj::do_layout): Change calls to include_section_group and
11482         include_linkonce_section.
11483         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11484         value to zero when section is discarded.
11485         (Sized_relobj::map_to_kept_section): New function.
11486         * object.h (Relobj::output_section_address): New function.
11487         (Relobj::Comdat_group): New type.
11488         (Relobj::find_comdat_group): New function.
11489         (Relobj::Comdat_group_table): New type.
11490         (Relobj::Kept_comdat_section): New type.
11491         (Relobj::Kept_comdat_section_table): New type.
11492         (Relobj::add_comdat_group): New function.
11493         (Relobj::set_kept_comdat_section): New function.
11494         (Relobj::get_kept_comdat_section): New function.
11495         (Relobj::comdat_groups_): New field.
11496         (Relobj::kept_comdat_sections_): New field.
11497         (Symbol_value::input_value): Update comment.
11498         (Sized_relobj::map_to_kept_section) New function.
11499         (Sized_relobj::include_linkonce_section): Add new parameter.
11500         * target-reloc.h (Comdat_behavior): New type.
11501         (get_comdat_behavior): New function.
11502         (relocate_section): Add code to map a discarded section to the
11503         corresponding kept section when applying a relocation.
11504
11505 2008-04-30  Craig Silverstein  <csilvers@google.com>
11506
11507         * dwarf_reader.cc (next_generation_count): New static var.
11508         (Addr2line_cache_entry): New struct.
11509         (addr2line_cache): New static var.
11510         (Dwarf_line_info::one_addr2line): Added caching.
11511         (Dwarf_line_info::clear_addr2line_cache): New function.
11512         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11513         cache-size parameter.
11514         (Dwarf_line_info::one_addr2line_cache): New function.
11515         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11516         new cache-size argument to one_addr2line(), and clear cache.
11517
11518 2008-04-28  Cary Coutant  <ccoutant@google.com>
11519
11520         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11521         R_386_PC8 relocations.
11522
11523 2008-04-23  Ian Lance Taylor  <iant@google.com>
11524
11525         * object.cc (Sized_relobj::include_section_group): Check for
11526         invalid section group.
11527
11528         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11529         header size.
11530
11531         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11532         than read for file header.
11533         * archive.cc (Archive::include_member): Likewise.
11534
11535 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11536
11537         * aclocal.m4: Regenerate.
11538         * configure: Regenerate.
11539
11540 2008-04-19  Ian Lance Taylor  <iant@google.com>
11541
11542         * version.cc (version_string): Bump to 1.6.
11543
11544         * testsuite/Makefile.am (many_sections_r_test): New target.
11545         (many_sections_r_test_SOURCES): Remove.
11546         (many_sections_r_test_DEPENDENCIES): Remove.
11547         (many_sections_r_test_LDFLAGS): Remove.
11548         (many_sections_r_test_LDADD): Remove.
11549
11550         * object.cc (Sized_relobj::do_add_symbols): Always pass
11551         local_symbol_count_ to add_from_relobj.
11552
11553         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11554         every thousand variables.
11555         * testsuite/Makefile.in: Rebuild.
11556
11557         * object.cc (Xindex::initialize_symtab_xindex): New function.
11558         (Xindex::read_symtab_xindex): New function.
11559         (Xindex::sym_xindex_to_shndx): New function.
11560         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11561         available.
11562         (Sized_relobj::do_initialize_xindex): New function.
11563         (Sized_relobj::do_read_symbols): Adjust section links.
11564         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11565         parameter.  Change all callers.
11566         (Sized_relobj::include_section_group): Adjust section links and
11567         symbol section indexes.
11568         (Sized_relobj::do_layout): Adjust section links.
11569         (Sized_relobj::do_count_local_symbols): Adjust section links and
11570         symbol section indexes.
11571         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11572         ordinary and special symbols.
11573         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11574         dynsym_xindex parameters.  Change all callers.  Adjust section
11575         links.  Use SHN_XINDEX when needed.
11576         (Sized_relobj::get_symbol_location_info): Adjust section links.
11577         Don't get fooled by special symbols.
11578         * object.h (class Xindex): Define.
11579         (class Object): Add xindex_ parameter.  Declare virtual functoin
11580         do_initialize_xindex.
11581         (Object::adjust_sym_shndx): New function.
11582         (Object::set_xindex): New protected function.
11583         (class Symbol_value): Add is_ordinary_shndx_ field.
11584         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11585         (Symbol_value::value): Assert ordinary section.
11586         (Symbol_value::initialize_input_to_output_map): Likewise.
11587         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11588         Change all callers.
11589         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11590         all callers.
11591         (class Sized_relobj): Update declarations.
11592         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11593         parameter.  Change all callers.
11594         (Sized_relobj::adjust_shndx): New function.
11595         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11596         field.
11597         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11598         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11599         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11600         (Sized_dynobj::read_dynsym_section): Adjust section links.
11601         (Sized_dynobj::read_dynamic): Likewise.
11602         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11603         section links.
11604         (Sized_dynobj::do_initialize_xindex): New function.
11605         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11606         do_initialize_xindex.
11607         (Sized_dynobj::adjust_shndx): New function.
11608         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11609         dynsym_xindex_ fields.
11610         (Layout::finalize): Add a call to set_section_indexes before
11611         creating the symtab sections.
11612         (Layout::set_section_indexes): Don't do anything if the section
11613         already has a section index.
11614         (Layout::create_symtab_sections): Add shnum parameter.  Change
11615         caller.  Create .symtab_shndx section if needed.
11616         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11617         caller.
11618         (Layout::allocated_output_section_count): New function.
11619         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11620         needed.
11621         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11622         fields.  Update declarations.
11623         (Layout::symtab_xindex): New function.
11624         (Layout::dynsym_xindex): New function.
11625         (class Write_symbols_task): Add layout_ field.
11626         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11627         Change caller.
11628         * output.cc (Output_section_headers::Output_section_headers): Add
11629         shstrtab_section parameter.  Change all callers.
11630         (Output_section_headers::do_sized_write): Store overflow values
11631         for section count and section string table section index in
11632         section header zero.
11633         (Output_file_header::do_sized_write): Check for overflow of
11634         section count and section string table section index.
11635         (Output_symtab_xindex::do_write): New function.
11636         (Output_symtab_xindex::endian_do_write): New function.
11637         * output.h (class Output_section_headers): Add shstrtab_section_.
11638         Update declarations.
11639         (class Output_symtab_xindex): Define.
11640         (Output_section::has_out_shndx): New function.
11641         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11642         field.
11643         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11644         Change all callers.
11645         (Sized_symbol::init): Likewise.
11646         (Symbol::output_section): Check for ordinary symbol.
11647         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11648         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11649         callers.
11650         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11651         Change all callers.  Simplify handling of symbols from sections
11652         not included in the link.
11653         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11654         distinction.
11655         (Weak_alias_sorter::operator()): Assert that symbols are
11656         ordinary.
11657         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11658         distinction.
11659         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11660         parameters.  Change all callers.
11661         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11662         symbol distinction.  Use SHN_XINDEX when needed.
11663         (Symbol_table::write_section_symbol): Add symtab_xindex
11664         parameter.  Change all callers.
11665         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11666         SHN_XINDEX when needed.
11667         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11668         declarations.
11669         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11670         (Symbol::is_defined): Check is_ordinary.
11671         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11672         (Symbol::is_absolute, Symbol::is_common): Likewise.
11673         (class Sized_symbol): Update declarations.
11674         (class Symbol_table): Update declarations.
11675         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11676         parameters.  Change all callers.
11677         (Sized_symbol::override): Likewise.
11678         (Symbol_table::override): Likewise.
11679         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11680         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11681         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11682         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11683         to be in an ordinary section.
11684         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11685         object and is_ordinary parameters.  Change all callers.
11686         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11687         Change all callers.  Don't add undefined or non-ordinary symbols
11688         to reloc_map_.
11689         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11690         Change all callers.
11691         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11692         declarations.
11693         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11694         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11695         (Sized_relobj::relocate_sections): Likewise.
11696         * target-reloc.h (scan_relocs): Adjust section symbol index.
11697         (scan_relocatable_relocs): Likewise.
11698         * i386.cc (Scan::local): Check for ordinary symbols.
11699         * sparc.cc (Scan::local): Likewise.
11700         * x86_64.cc (Scan::local): Likewise.
11701         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11702         to symbol_section_and_value.
11703         * testsuite/many_sections_test.cc: New file.
11704         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11705         (check_PROGRAMS): Add many_sections_test.
11706         (many_sections_test_SOURCES): Define.
11707         (many_sections_test_DEPENDENCIES): Define.
11708         (many_sections_test_LDFLAGS): Define.
11709         (BUILT_SOURCES): Add many_sections_define.h.
11710         (many_sections_define.h): New target.
11711         (BUILT_SOURCES): Add many_sections_check.h.
11712         (many_sections_check.h): New target.
11713         (check_PROGRAMS): Add many_sections_r_test.
11714         (many_sections_r_test_SOURCES): Define.
11715         (many_sections_r_test_DEPENDENCIES): Define.
11716         (many_sections_r_test_LDFLAGS): Define.
11717         (many_sections_r_test_LDADD): Define.
11718         (many_sections_r_test.o): New target.
11719         * testsuite/Makefile.in: Rebuild.
11720
11721 2008-04-17  Cary Coutant  <ccoutant@google.com>
11722
11723         * errors.cc (Errors::info): New function.
11724         (gold_info): New function.
11725         * errors.h (Errors::info): New function.
11726         * gold.h (gold_info): New function.
11727         * object.cc (Input_objects::add_object): Print trace output.
11728         * options.cc (options::parse_set): New function.
11729         (General_options::parse_wrap): Deleted.
11730         (General_options::General_options): Deleted initializer.
11731         * options.h (options::String_set): New typedef.
11732         (options::parse_set): New function.
11733         (DEFINE_set): New macro.
11734         (General_options::wrap): Changed to use DEFINE_set. Changed
11735         callers of any_wrap_symbols and is_wrap_symbol.
11736         (General_options::trace, General_options::trace_symbol):
11737         New options.
11738         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11739         (General_options::wrap_symbols_): Deleted.
11740         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11741
11742 2008-04-17  David S. Miller  <davem@davemloft.net>
11743
11744         * options.cc (General_options::parse_V): New function.
11745         * options.h: Add entries for -V and -Qy.
11746
11747 2008-04-17  Ian Lance Taylor  <iant@google.com>
11748
11749         * common.cc (Symbol_table::allocate_commons): Remove options
11750         parameter.  Change caller.
11751         (Symbol_table::do_allocate_commons): Remove options parameter.
11752         Change caller.  Just call do_allocate_commons_list twice.
11753         (Symbol_table::do_allocate_commons_list): New function, broken out
11754         of do_allocate_commons.
11755         * common.h (class Allocate_commons_task): Remove options_ field.
11756         Update constructor.
11757         * symtab.cc (Symbol_table::Symbol_table): Initialize
11758         tls_commons_.
11759         (Symbol_table::add_from_object): Put TLS common symbols on
11760         tls_commons_ list.
11761         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11762         which are IN_OUTPUT_DATA.
11763         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11764         allocate_commons and do_allocate_commons declarations.  Declare
11765         do_allocate_commons_list.
11766         * gold.cc (queue_middle_tasks): Update creation of
11767         Allocate_commons_task to not pass options.
11768         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11769         (TLS_TEST_C_FLAGS): New variable.
11770         (tls_test_c_pic.o): New target.
11771         (tls_test_shared.so): Link in tls_test_c_pic.o.
11772         (tls_test_c_pic_ie.o): New target.
11773         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11774         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11775         (tls_test_c.o): New target.
11776         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11777         (tls_pic_test_LDADD): Likewise.
11778         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11779         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11780         (tls_test_c_gnu2.o): New target.
11781         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11782         tls_test_c_gnu2.o.
11783         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11784         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11785         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11786         * testsuite/tls_test.cc: Include "config.h".
11787         (t_last): Call t11_last.
11788         * testsuite/tls_test.h (t11, t11_last): Declare.
11789         * testsuite/tls_test_c.c: New file.
11790         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11791         * configure.ac: Check for OpenMP support.
11792         * configure, config.in, Makefile.in: Rebuild.
11793         * testsuite/Makefile.in: Rebuild.
11794
11795 2008-04-16  Cary Coutant  <ccoutant@google.com>
11796
11797         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11798         (Target_i386::tls_base_symbol_defined_): New field.
11799         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11800         (Target_i386::Scan::global): Likewise.
11801         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11802         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11803         (Target_x86_64::tls_base_symbol_defined_): New field.
11804         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11805         (Target_x86_64::Scan::global): Likewise.
11806
11807 2008-04-16  Cary Coutant  <ccoutant@google.com>
11808
11809         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11810         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11811         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11812         building shared libraries.
11813         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11814         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11815         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11816         * testsuite/Makefile.in: Rebuild.
11817         * testsuite/weak_undef.h: New file.
11818         * testsuite/weak_undef_file1.cc: Add extra test cases.
11819         * testsuite/weak_undef_file2.cc: Likewise.
11820         * testsuite/weak_undef_test.cc: Likewise.
11821
11822 2008-04-16  David S. Miller  <davem@davemloft.net>
11823
11824         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11825         Add issued_non_pic_error_ field.  Declare check_non_pic.
11826         (Target_sparc::Scan::check_non_pic): New function.
11827         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11828         (Target_sparc::Scan::global): Likewise.
11829
11830         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11831         * configure: Rebuild.
11832
11833         * options.h (DEFINE_enable): New macro.
11834         (new_dtags): New enable option.
11835         (initfirst, interpose, loadfltr, nodefaultlib,
11836         nodelete, nodlopen, nodump): New -z options.
11837         * layout.cc (Layout:finish_dynamic_section): If new
11838         dtags enabled, emit DT_RUNPATH.  Also, emit a
11839         DT_FLAGS_1 containing any specified -z flags.
11840
11841 2008-04-16  Ian Lance Taylor  <iant@google.com>
11842
11843         * copy-relocs.cc: New file.
11844         * copy-relocs.h: New file.
11845         * reloc.cc: Remove Copy_relocs code.
11846         * reloc.h: Likewise.
11847         * reloc-types.h (struct Reloc_types) [both versions]: Add
11848         get_reloc_addend_noerror.
11849         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11850         variants of add_global which take an addend which must be zero.
11851         * i386.cc: Include "copy-relocs.h".
11852         (class Target_i386): Change type of copy_relocs_ to variable,
11853         update initializer.
11854         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11855         Change all callers.
11856         (Target_i386::do_finalize_sections): Change handling of
11857         copy_relocs_.
11858         * sparc.cc: Include "copy-relocs.h".
11859         (class Target_sparc): Change type of copy_relocs_ to variable,
11860         update initializer.
11861         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11862         Change all callers.
11863         (Target_sparc::do_finalize_sections): Change handling of
11864         copy_relocs_.
11865         * x86_64.cc: Include "copy-relocs.h".
11866         (class Target_x86_64): Change type of copy_relocs_ to variable,
11867         update initializer.
11868         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11869         class.  Change all callers.
11870         (Target_x86_64::do_finalize_sections): Change handling of
11871         copy_relocs_.
11872         * Makefile.am (CCFILES): Add copy-relocs.cc.
11873         (HFILES): Add copy-relocs.h.
11874
11875         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11876
11877         * testsuite/script_test_4.sh: Permit leading zeroes.
11878
11879 2008-04-15  Ian Lance Taylor  <iant@google.com>
11880
11881         * script-sections.cc (Script_sections::create_segments): Use
11882         header_size_adjustment even when there is enough room for the
11883         headers.
11884         * testsuite/script_test_4.sh: New file.
11885         * testsuite/script_test_4.t: New file.
11886         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11887         (check_DATA): Add script_test_4.stdout.
11888         (MOSTLYCLEANFILES): Likewise.
11889         (script_test_4): New target.
11890         (script_test_4.stdout): New target.
11891         * testsuite/Makefile.in: Rebuild.
11892
11893         * sparc.cc: Add definitions for Output_data_plt_sparc class
11894         constants.
11895
11896 2008-04-14  David S. Miller  <davem@davemloft.net>
11897
11898         * sparc.cc: New file.
11899         * Makefile.am (TARGETSOURCES): Add sparc.cc
11900         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11901         * configure.tgt: Document targ_extra_size and
11902         targ_extra_big_endian.  Add entries for sparc-* and
11903         sparc64-*.
11904         * configure.ac: Handle targ_extra_size and
11905         targ_extra_big_endian.
11906         * Makefile.in: Rebuild.
11907         * configure: Likewise.
11908         * po/POTFILES.in: Likewise.
11909         * po/gold.pot: Likewise.
11910
11911 2008-04-14  Ian Lance Taylor  <iant@google.com>
11912
11913         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11914         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11915         in the name/type/flags to section mapping.  Don't call
11916         allocate_output_section.
11917         (Layout::choose_output_section): Change parameter from adjust_name
11918         to is_input_section.  Don't permit input sections after sections
11919         are attached to segments.  Don't call allocate_output_section.
11920         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11921         not write_enable_output_section.
11922         (Layout::make_output_section): Don't push to
11923         unattached_section_list_ nor call attach_to_segment.  Call
11924         attach_section_to_segment if sections are attached.
11925         (Layout::attach_sections_to_segments): New function.
11926         (Layout::attach_section_to_segment): New function.
11927         (Layout::attach_allocated_section_to_segment): Rename from
11928         attach_to_segment.  Remove flags parameter.
11929         (Layout::allocate_output_section): Remove function.
11930         (Layout::write_enable_output_section): Remove function.
11931         * layout.h (class Layout): Update for above changes.  Add new
11932         field sections_are_attached_.
11933         * output.h (Output_section::update_flags_for_input_section): New
11934         function.
11935         * output.cc (Output_section::add_input_section): Call
11936         update_flags_for_input_section.
11937         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11938
11939 2008-04-11  Cary Coutant  <ccoutant@google.com>
11940
11941         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11942         thought unnecessary.
11943         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11944
11945 2008-04-11  Ian Lance Taylor  <iant@google.com>
11946
11947         * output.h (class Output_section_data): Remove inline definition
11948         of set_addralign.
11949         * output.cc (Output_section_data::set_addralign): New function.
11950
11951 2008-04-11  Cary Coutant  <ccoutant@google.com>
11952
11953         Add support for TLS descriptors for i386 and x86_64.
11954         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11955         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11956         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11957         GOT_TYPE_TLS_DESC.
11958         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11959         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11960         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11961         relocations.
11962         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11963         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11964         Fix problem with initial-exec relocations.
11965         (Target_i386::Relocate::relocate_tls): Likewise.
11966         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11967         relaxation.
11968         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11969         support for section-plus-offset dynamic table entries.
11970         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11971         (Output_data_dynamic::Dynamic_entry): Add support for
11972         section-plus-offset dynamic table entries.
11973         (Output_data_dynamic::Classification): Likewise.
11974         (Output_data_dynamic::classification_): Renamed offset_.
11975         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11976         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11977         (Target_x86_64::make_plt_section): New function.
11978         (Target_x86_64::reserve_tlsdesc_entries): New function.
11979         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11980         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11981         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11982         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11983         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11984         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11985         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11986         add extra PLT entry for TLS descriptors.
11987         (Output_data_plt_x86_64::got_): New field.
11988         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11989         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11990         fields.
11991         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11992         descriptors.
11993         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11994         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11995         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11996         R_386_TLS_DESC_CALL relocations.
11997         (Target_x86_64::Scan::global): Likewise.
11998         (Target_x86_64::do_finalize_sections): Add dynamic table entries
11999         for TLS descriptors.
12000         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12001         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12002         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12003         GD-to-IE relaxation.
12004         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12005         and TLS_DESCRIPTORS.
12006         * Makefile.in: Rebuild.
12007         * configure: Rebuild.
12008         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12009         (tls_test_shared2.so): New target.
12010         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12011         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12012         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12013         (tls_shared_gd_to_ie_test_LDADD): New variable.
12014         (tls_shared_gnu2_gd_to_ie_test): New target.
12015         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12016         New targets.
12017         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12018         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12019         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12020         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12021         (tls_shared_gnu2_test): New target.
12022         (tls_test_gnu2_shared.so): New target.
12023         (tls_shared_gnu2_test_SOURCES): New variable.
12024         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12025         (tls_shared_gnu2_test_LDFLAGS): New variable.
12026         (tls_shared_gnu2_test_LDADD): New variable.
12027         * testsuite/Makefile.in: Rebuild.
12028         * testsuite/Makefile.
12029
12030 2008-04-11  Ian Lance Taylor  <iant@google.com>
12031
12032         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12033         justsyms.t.
12034         * testsuite/Makefile.in: Rebuild.
12035
12036         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12037         long.
12038         * testsuite/script_test_2.cc (main): Adjust test.
12039
12040 2008-04-11  David S. Miller  <davem@davemloft.net>
12041             Ian Lance Taylor  <iant@google.com>
12042
12043         * options.h (General_options): Add entries for '-Y' and
12044         '-relax'.
12045         * options.cc (General_options:finalize): If -Y was used, add those
12046         entries to the library path instead of the default "/lib" and
12047         "/usr/lib".
12048
12049 2008-04-11  David S. Miller  <davem@davemloft.net>
12050
12051         * testsuite/justsyms.t: Start at 0x100.
12052         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12053         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12054         long.
12055         * testsuite/script_test_2.cc: Adjust string and section length
12056         checks.
12057
12058 2008-04-09  Ian Lance Taylor  <iant@google.com>
12059
12060         PR gold/5996
12061         * script-sections.cc (Sections_element::allocate_to_segment): Add
12062         orphan parameter.
12063         (Output_section_definition::allocate_to_segment): Likewise.
12064         (Orphan_output_section::allocate_to_segment): Likewise.
12065         (Script_sections::attach_sections_using_phdrs_clause): Don't
12066         propagate non-PT_LOAD segments to orphan sections.
12067         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12068         readelf rather than objdump.
12069         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12070         .interp section and PT_INTERP segment are the same size.
12071         * testsuite/Makefile.in: Rebuild.
12072
12073         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12074         aliases for symbols defined in the same object.
12075         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12076         (weak_alias_test_SOURCES): New variable.
12077         (weak_alias_test_DEPENDENCIES): New variable.
12078         (weak_alias_test_LDFLAGS): New variable.
12079         (weak_alias_test_LDADD): New variable.
12080         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12081         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12082         (weak_alias_test_3.o): New target.
12083         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12084         * testsuite/weak_alias_test_main.cc: New file.
12085         * testsuite/weak_alias_test_1.cc: New file.
12086         * testsuite/weak_alias_test_2.cc: New file.
12087         * testsuite/weak_alias_test_3.cc: New file.
12088
12089 2008-04-08  Ian Lance Taylor  <iant@google.com>
12090
12091         * options.h (class General_options): Add --noinhibit-exec option.
12092         * main.cc (main): Check --noinhibit-exec.
12093
12094         * options.h (class General_options): Define --wrap as a special
12095         option.  Add wrap_symbols_ field.
12096         (General_options::any_wrap_symbols): New function.
12097         (General_options::is_wrap_symbol): New function.
12098         * options.cc (General_options::parse_wrap): New function.
12099         (General_options::General_options): Initialize wrap_symbols_.
12100         * symtab.cc (Symbol_table::wrap_symbol): New function.
12101         (Symbol_table::add_from_object): Handle --wrap.
12102         * symtab.h (class Symbol_table): Declare wrap_symbol.
12103         * target.h (Target::wrap_char): New function.
12104         (Target::Target_info): Add wrap_char field.
12105         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12106         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12107         * testsuite/testfile.cc (Target_test::test_target_info):
12108         Likewise.
12109
12110         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12111         there is one.
12112
12113         * layout.h (class Layout): Add added_eh_frame_data_ field.
12114         * layout.cc (Layout::Layout): Initialize new field.
12115         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12116         output section until we find a section we merged successfully.
12117         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12118         that the size be non-zero.
12119
12120         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12121         qualifier.
12122
12123 2008-04-08  Craig Silverstein  <csilvers@google.com>
12124
12125         * configure.ac: Export new conditional variable HAVE_ZLIB.
12126         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12127         on HAVE_ZLIB.
12128         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12129         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12130
12131 2008-04-07  Ian Lance Taylor  <iant@google.com>
12132
12133         * version.cc (version_string): Set to "1.5".
12134
12135         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12136         Add issued_non_pic_error_ field.  Declare check_non_pic.
12137         (Target_x86_64::Scan::check_non_pic): New function.
12138         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12139         (Target_x86_64::Scan::global): Likewise.
12140
12141         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12142         addend parameter.  Change caller.  Handle merge sections.
12143         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12144         Address to Addend.  Don't add in the result of
12145         local_section_offset, pass down the addend and use the returned
12146         value.
12147         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12148         Update declarations of local_section_offset and symbol_value.
12149         * testsuite/two_file_test_1.cc (t18): New function.
12150         * testsuite/two_file_test_2.cc (f18): New function.
12151         * testsuite/two_file_test_main.cc (main): Call t18.
12152         * testsuite/two_file_test.h (t18, f18): Declare.
12153
12154         * configure.ac: Don't test for objdump, c++filt, or readelf.
12155         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12156         conditionals.
12157         (TEST_READELF): New variable.
12158         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12159         (check_PROGRAMS): Add two_file_strip_test.
12160         (two_file_strip_test): New target.
12161         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12162         (two_file_same_shared_strip_test_SOURCES): New variable.
12163         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12164         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12165         (two_file_same_shared_strip_test_LDADD): New variable.
12166         (two_file_shared_strip.so): New target.
12167         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12168         (ver_test_5.syms, ver_test_7.syms): Likewise.
12169         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12170         (strip_test_3.stdout): Use TEST_OBJDUMP.
12171         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12172
12173 2008-04-04  Cary Coutant  <ccoutant@google.com>
12174
12175         * symtab.h (Symbol::is_weak_undefined): New function.
12176         (Symbol::is_strong_undefined): New function.
12177         (Symbol::is_absolute): New function.
12178         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12179         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12180         absolute symbols.
12181         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12182         (weak_undef_test): New target.
12183         * testsuite/Makefile.in: Rebuild.
12184         * testsuite/weak_undef_file1.cc: New file.
12185         * testsuite/weak_undef_file2.cc: New file.
12186         * testsuite/weak_undef_test.cc: New file.
12187
12188 2008-04-03  Craig Silverstein  <csilvers@google.com>
12189
12190         * compressed_output.h (class Output_compressed_section): Use
12191         unsigned buffer.
12192         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12193         add zlib header.
12194         (zlib_compressed_suffix): Removed.
12195         (Output_compressed_section::set_final_data_size): Use unsigned
12196         buffers.
12197         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12198         Fix linker invocation.
12199         (flagstest_o_specialfile_and_compress_debug_sections):
12200         Likewise.
12201         * testsuite/Makefile.in: Regenerated.
12202
12203 2008-04-02  David S. Miller  <davem@davemloft.net>
12204
12205         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12206         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12207
12208 2008-04-02  Craig Silverstein  <csilvers@google.com>
12209
12210         * TODO: New file.
12211
12212 2008-04-02  Ian Lance Taylor  <iant@google.com>
12213
12214         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12215         parameters.  Update for new key type to views_.  Change all
12216         callers.
12217         (File_read::read): Adjust for byteshift in returned view.
12218         (File_read::add_view): New function, broken out of
12219         find_and_make_view.
12220         (File_read::make_view): New function, broken out of
12221         find_and_make_view.
12222         (File_read::find_or_make_view): Add offset and aligned
12223         parameters.  Rewrite accordingly.  Change all callers.
12224         (File_read::get_view): Add offset and aligned parameters.  Adjust
12225         for byteshift in return value.
12226         (File_read::get_lasting_view): Likewise.
12227         * fileread.h (class File_read): Update declarations.
12228         (class File_read::View): Add byteshift_ field.  Add byteshift to
12229         constructor.  Add byteshift method.
12230         * archive.h (Archive::clear_uncached_views): New function.
12231         (Archive::get_view): Add aligned parameter.  Change all callers.
12232         * object.h (Object::get_view): Add aligned parameter.  Change all
12233         callers.
12234         (Object::get_lasting_view): Likewise.
12235
12236         * fileread.cc (File_read::release): Don't call clear_views if
12237         there are multiple objects.
12238         * fileread.h (File_read::clear_uncached_views): New function.
12239         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12240         on the archive.
12241
12242 2008-03-31  Cary Coutant  <ccoutant@google.com>
12243
12244         Add thin archive support.
12245         * archive.cc (Archive::armagt): New const.
12246         (Archive::setup): Remove task parameter and calls to unlock.
12247         (Archive::unlock_nested_archives): New function.
12248         (Archive::read_header): Add nested_off parameter. Change
12249         all callers.
12250         (Archive::interpret_header): Likewise.
12251         (Archive::include_all_members): Change to handle thin
12252         archives.
12253         (Archive::include_member): Likewise.
12254         * archive.h (Archive::Archive): Add new parameters and
12255         initializers.
12256         (Archive::armagt): New const.
12257         (Archive::setup): Remove task parameter.
12258         (Archive::unlock_nested_archives): New function.
12259         (Archive::read_header): Add nested_off parameter.
12260         (Archive::interpret_header): Likewise.
12261         (Archive::Nested_archive_table): New typedef.
12262         (Archive::is_thin_archive_): New field.
12263         (Archive::nested_archives_): New field.
12264         (Archive::options_): New field.
12265         (Archive::dirpath_): New field.
12266         (Archive::task_): New field.
12267         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12268         for thin archives.  Pass additional parameters to
12269         Archive::Archive.  Unlock the archive file after calling
12270         Archive::setup.
12271
12272 2008-03-29  Ian Lance Taylor  <iant@google.com>
12273
12274         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12275         version symbol to be local.
12276         * testsuite/ver_test_4.sh: New file.
12277         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12278         (check_DATA): Add ver_test_4.syms.
12279         (ver_test_4.syms): New target.
12280         * testsuite/Makefile.in: Rebuild.
12281
12282         * output.cc
12283         (Output_section::Input_section_sort_entry::has_priority): New
12284         function.
12285         (Output_section::Input_section_sort_entry::match_file_name): New
12286         function.
12287         (Output_section::Input_section_sort_entry::match_section_name):
12288         Remove.
12289         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12290         Remove.
12291         (Output_section::Input_section_sort_entry::match_section_file):
12292         Remove.
12293         (Output_section::Input_section_sort_compare::operator()): Rewrite
12294         using new Input_section_sort_entry functions.  Sort crtbegin and
12295         crtend first.  Sort sections with no priority before sections with
12296         a priority.
12297         * testsuite/initpri1.c (d3): Check j != 4.
12298         (cd5): New constructor/destructor function.
12299         (main): Check j != 2.
12300
12301         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12302         new symbol when resolving, don't call set_is_default.
12303         * testsuite/ver_test_7.cc: New file.
12304         * testsuite/ver_test_7.sh: New file.
12305         * testsuite/Makefile.am (ver_test_7.so): New target.
12306         (ver_test_7.o): New target.
12307         (check_SCRIPTS): Add ver_test_7.sh.
12308         (check_DATA): Add ver_test_7.syms.
12309         (ver_test_7.syms): New target.
12310
12311 2008-03-28  Ian Lance Taylor  <iant@google.com>
12312
12313         * layout.cc (Layout::layout): If we see an input section with a
12314         name that needs sorting, set the must_sort flag for the output
12315         section.
12316         (Layout::make_output_section): If the name of the output section
12317         indicates that it might require sorting, set the may_sort flag.
12318         * output.h (Output_section::may_sort_attached_input_sections): New
12319         function.
12320         (Output_section::set_may_sort_attached_input_sections): New
12321         function.
12322         (Output_section::must_sort_attached_input_sections): New
12323         function.
12324         (Output_section::set_must_sort_attached_input_sections): New
12325         function.
12326         (class Output_section): Declare Input_section_sort_entry.  Define
12327         Input_section_sort_compare.  Declare
12328         sort_attached_input_sections.  Add new fields:
12329         may_sort_attached_input_sections_,
12330         must_sort_attached_input_sections_,
12331         attached_input_sections_are_sorted_.
12332         * output.cc (Output_section::Output_section): Initialize new
12333         fields.
12334         (Output_section::add_input_section): Add an entry to
12335         input_sections_ if may_sort or must_sort are true.
12336         (Output_section::set_final_data_size): Call
12337         sort_attached_input_sections if necessary.
12338         (Output_section::Input_section_sort_entry): Define new class.
12339         (Output_section::Input_section_sort_compare::operator()): New
12340         function.
12341         (Output_section::sort_attached_input_sections): New function.
12342         * configure.ac: Check whether the compiler supports constructor
12343         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12344         * testsuite/initpri1.c: New file.
12345         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12346         CONSTRUCTOR_PRIORITY.
12347         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12348         (initpri1_LDFLAGS): New variable.
12349         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12350
12351 2008-03-27  Ian Lance Taylor  <iant@google.com>
12352
12353         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12354         * testsuite/common_test_1.c: New file.
12355         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12356         (common_test_1_SOURCES): New variable.
12357         (common_test_1_DEPENDENCIES): New variable.
12358         (common_test_1_LDFLAGS): New variable.
12359
12360         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12361         and commons_ correctly when NAME/VERSION does not override
12362         NAME/NULL.
12363         * testsuite/ver_test_6.c: New file.
12364         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12365         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12366         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12367
12368 2008-03-26  Ian Lance Taylor  <iant@google.com>
12369
12370         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12371         of an undefined symbol from a version script.
12372         * testsuite/Makefile.am (ver_test_5.so): New target.
12373         (ver_test_5.o): New target.
12374         (check_SCRIPTS): Add ver_test_5.sh.
12375         (check_DATA): Add ver_test_5.syms.
12376         (ver_test_5.syms): New target.
12377         * testsuite/ver_test_5.cc: New file.
12378         * testsuite/ver_test_5.script: New file.
12379         * testsuite/ver_test_5.sh: New file.
12380         * Makefile.in, testsuite/Makefile.in: Rebuild.
12381
12382         PR gold/5986
12383         Fix problems building gold with gcc 4.3.0.
12384         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12385         (gold_error_at_location, gold_warning_at_location): Use it.
12386         * configure.ac: Check whether we can compile and use a template
12387         function with a printf attribute.
12388         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12389         when jumping over bytes.
12390         * object.cc: Instantiate Object::read_section_data.
12391         * debug.h: Include <cstring>
12392         * dwarf_reader.cc: Include <algorithm>
12393         * main.cc: Include <cstring>.
12394         * options.cc: Include <cstring>.
12395         * output.cc: Include <cstring>.
12396         * script.cc: Include <cstring>.
12397         * script.h: Include <string>.
12398         * symtab.cc: Include <cstring> and <algorithm>.
12399         * target-select.cc: Include <cstring>.
12400         * version.cc: Include <string>.
12401         * testsuite/testmain.cc: Include <cstdlib>.
12402         * configure, config.in: Rebuild.
12403
12404 2008-03-25  Ian Lance Taylor  <iant@google.com>
12405
12406         * options.cc: Include "../bfd/bfdver.h".
12407         (options::help): Print bug reporting address.
12408
12409         * version.cc (print_version): Adjust output for current value of
12410         BFD_VERSION_STRING.
12411
12412         * NEWS: New file.
12413
12414         * options.cc (options::help): Print list of supported targets.
12415         * target-select.h: Include <vector>.
12416         (class Target_selector): Make machine_, size_, and is_big_endian_
12417         fields const.  Add bfd_name_ and instantiated_target_ fields.
12418         (Target_selector::Target_selector): Add bfd_name parameter.
12419         (Target_selector::recognize): Make non-virtual, call
12420         do_recognize.
12421         (Target_selector::recognize_by_name): Make non-virtual, call
12422         do_recognize_by_name.
12423         (Target_selector::supported_names): New function.
12424         (Target_selector::bfd_name): New function.
12425         (Target_selector::do_instantiate_target): New pure virtual
12426         function.
12427         (Target_selector::do_recognize): New virtual function.
12428         (Target_selector::do_recognize_by_name): New virtual function.
12429         (Target_selector::instantiate_target): New private function.
12430         (supported_target_names): Declare.
12431         * target-select.cc (Target_selector::Target_selector): Update for
12432         new parameter and fields.
12433         (select_target_by_name): Check that the name matches before
12434         calling recognize_by_name.
12435         (supported_target_names): New function.
12436         * i386.cc (class Target_selector_i386): Update Target_selector
12437         constructor call.  Remove recognize and recognize_by_name.  Add
12438         do_instantiate_target.
12439         * x86_64.cc (class Target_selector_x86_64): Likewise.
12440         * testsuite/testfile.cc (class Target_selector_test): Update for
12441         changes to Target_selector.
12442
12443         * README: Rewrite, with some notes on unsupported features.
12444
12445 2008-03-24  Cary Coutant  <ccoutant@google.com>
12446
12447         * i386.cc (Target_i386::Got_type): New enum declaration.
12448         (Target_i386::Scan::local): Updated callers of Output_data_got
12449         member functions.
12450         (Target_i386::Scan::global): Likewise.
12451         (Target_i386::Relocate::relocate): Likewise.
12452         (Target_i386::Relocate::relocate_tls): Likewise.
12453         * object.h (Got_offset_list): New class.
12454         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12455         (Sized_relobj::local_got_offset): Likewise.
12456         (Sized_relobj::set_local_got_offset): Likewise.
12457         (Sized_relobj::local_has_tls_got_offset): Removed.
12458         (Sized_relobj::local_tls_got_offset): Removed.
12459         (Sized_relobj::set_local_tls_got_offset): Removed.
12460         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12461         * output.cc (Output_data_got::add_global): Added got_type parameter.
12462         (Output_data_got::add_global_with_rel): Likewise.
12463         (Output_data_got::add_global_with_rela): Likewise.
12464         (Output_data_got::add_global_pair_with_rel): New function.
12465         (Output_data_got::add_global_pair_with_rela): New function.
12466         (Output_data_got::add_local): Added got_type parameter.
12467         (Output_data_got::add_local_with_rel): Likewise.
12468         (Output_data_got::add_local_with_rela): Likewise.
12469         (Output_data_got::add_local_pair_with_rel): New function.
12470         (Output_data_got::add_local_pair_with_rela): New function.
12471         (Output_data_got::add_global_tls): Removed.
12472         (Output_data_got::add_global_tls_with_rel): Removed.
12473         (Output_data_got::add_global_tls_with_rela): Removed.
12474         (Output_data_got::add_local_tls): Removed.
12475         (Output_data_got::add_local_tls_with_rel): Removed.
12476         (Output_data_got::add_local_tls_with_rela): Removed.
12477         * output.h (Output_data_got::add_global): Added got_type parameter.
12478         (Output_data_got::add_global_with_rel): Likewise.
12479         (Output_data_got::add_global_with_rela): Likewise.
12480         (Output_data_got::add_global_pair_with_rel): New function.
12481         (Output_data_got::add_global_pair_with_rela): New function.
12482         (Output_data_got::add_local): Added got_type parameter.
12483         (Output_data_got::add_local_with_rel): Likewise.
12484         (Output_data_got::add_local_with_rela): Likewise.
12485         (Output_data_got::add_local_pair_with_rel): New function.
12486         (Output_data_got::add_local_pair_with_rela): New function.
12487         (Output_data_got::add_global_tls): Removed.
12488         (Output_data_got::add_global_tls_with_rel): Removed.
12489         (Output_data_got::add_global_tls_with_rela): Removed.
12490         (Output_data_got::add_local_tls): Removed.
12491         (Output_data_got::add_local_tls_with_rel): Removed.
12492         (Output_data_got::add_local_tls_with_rela): Removed.
12493         * resolve.cc (Symbol::override_base_with_special): Removed
12494         reference to has_got_offset_ field.
12495         * symtab.cc (Symbol::init_fields): Replaced initialization
12496         of got_offset_ with got_offsets_.  Removed initialization
12497         of has_got_offset_
12498         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12499         (Symbol::got_offset): Likewise.
12500         (Symbol::set_got_offset): Likewise.
12501         (Symbol::has_tls_got_offset): Removed.
12502         (Symbol::tls_got_offset): Removed.
12503         (Symbol::set_tls_got_offset): Removed.
12504         (Symbol::got_offset_): Removed.
12505         (Symbol::tls_mod_got_offset_): Removed.
12506         (Symbol::tls_pair_got_offset_): Removed.
12507         (Symbol::got_offsets_): New field.
12508         (Symbol::has_got_offset): Removed.
12509         (Symbol::has_tls_mod_got_offset): Removed.
12510         (Symbol::has_tls_pair_got_offset): Removed.
12511         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12512         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12513         member functions.
12514         (Target_x86_64::Scan::global): Likewise.
12515         (Target_x86_64::Relocate::relocate): Likewise.
12516         (Target_x86_64::Relocate::relocate_tls): Likewise.
12517
12518 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12519
12520         * yyscript.y: Fix spelling error in comment.
12521
12522 2008-03-24  Ian Lance Taylor  <iant@google.com>
12523
12524         * options.h (class General_options): Define build_id option.
12525         * layout.h (class Layout): Declare write_build_id, create_note,
12526         create_build_id.  Add build_id_note_ member.
12527         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12528         "libiberty.h", "md5.h", "sha1.h".
12529         (Layout::Layout): Initialize eh_frame_data_,
12530         eh_frame_hdr_section_, and build_id_note_.
12531         (Layout::finalize): Call create_build_id.
12532         (Layout::create_note): New function, broken out of
12533         Layout::create_gold_note.
12534         (Layout::create_gold_note): Call create_note.
12535         (Layout::create_build_id): New function.
12536         (Layout::write_build_id): New function.
12537         (Close_task_runner::run): Call write_build_id.
12538
12539         * x86_64.cc: Correct license to GPLv3.
12540
12541 2008-03-23  Ian Lance Taylor  <iant@google.com>
12542
12543         * options.cc: Include "demangle.h".
12544         (parse_optional_string): New function.
12545         (parse_long_option): Handle takes_optional_argument.
12546         (parse_short_option): Update dash_z initializer.  Handle
12547         takes_optional_argument.
12548         (General_options::General_options): Initialize do_demangle_.
12549         (General_options::finalize): Set do_demangle_.  Handle demangling
12550         style.
12551         * options.h (parse_optional_string): Declare.
12552         (struct One_option): Add optional_arg field.  Update constructor.
12553         Update call constructor calls.  Add takes_optional_argument
12554         function.
12555         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12556         (DEFINE_optional_string): Define.
12557         (General_options::demangle): Change from DEFINE_bool to
12558         DEFINE_optional_string.
12559         (General_options::no_demangle): New function.
12560         (General_options::do_demangle): New function.
12561         (General_options::set_do_demangle): New function.
12562         (General_options::execstack_status_): Move definition to end of
12563         class definition.
12564         (General_options::static_): Likewise.
12565         (General_options::do_demangle_): New field.
12566         * object.cc (big_endian>::get_symbol_location_info): Call
12567         Options::do_demangle, not Options::demangle.
12568         * symtab.cc (demangle): Likewise.
12569
12570 2008-03-22  Ian Lance Taylor  <iant@google.com>
12571
12572         * gold.h: Include <cstddef> and <sys/types.h>
12573         * options.h: Include <cstring>.
12574
12575 2008-03-21  Ian Lance Taylor  <iant@google.com>
12576
12577         * Added source code to GNU binutils.