elfcpp/
[external/binutils.git] / gold / ChangeLog
1 2012-03-12  Cary Coutant  <ccoutant@google.com>
2
3         * reduced_debug_output.cc
4         (Output_reduced_debug_info_section::get_die_end): Add new FORM
5         codes to switch.
6
7 2012-02-29  Cary Coutant  <ccoutant@google.com>
8
9         * object.cc (need_decompressed_section): Add #ifdef ENABLE_THREADS.
10
11 2012-02-29  Cary Coutant  <ccoutant@google.com>
12
13         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
14         Call Object::decompressed_section_contents.
15         * dwarf_reader.h (Sized_dwarf_line_info::~Sized_dwarf_line_info):
16         New dtor.
17         (Sized_dwarf_line_info::buffer_start_): New data member.
18         * merge.cc (Output_merge_data::do_add_input_section): Call
19         Object::decompressed_section_contents.
20         (Output_merge_string::do_add_input_section): Likewise.
21         * object.cc (need_decompressed_section): New function.
22         (build_compressed_section_map): Decompress sections needed later.
23         (Sized_relobj_file::do_decompressed_section_contents): New function.
24         (Sized_relobj_file::do_discard_decompressed_sections): New function.
25         * object.h (Object::decompressed_section_contents): New function.
26         (Object::discard_decompressed_sections): New function.
27         (Object::do_decompressed_section_contents): New function.
28         (Object::do_discard_decompressed_sections): New function.
29         (Compressed_section_info): New type.
30         (Compressed_section_map): Include decompressed section contents.
31         (Sized_relobj_file::do_decompressed_section_contents): New function.
32         (Sized_relobj_file::do_discard_decompressed_sections): New function.
33
34 2012-02-16  Cary Coutant  <ccoutant@google.com>
35
36         * testsuite/Makefile.am (initpri2): Add --ctors-in-init-array option.
37         * testsuite/Makefile.in: Regenerate.
38
39 2012-02-14  Cary Coutant  <ccoutant@google.com>
40
41         * options.cc (General_options::finalize): Disallow -pie and -static.
42
43 2012-02-03  Doug Kwan  <dougkwan@google.com>
44
45         * arm.cc (Arm_relocate_functions::abs8,
46         Arm_relocate_functions::abs16): Use
47         Bits::has_signed_unsigned_overflow32.
48         (Arm_relocate_functions::thm_abs8): Correct range of
49         overflow check.
50         * reloc.h (Bits class): Change minimum number of bits from 0 to 1
51         in assertions.
52
53 2012-02-02  Doug Kwan  <dougkwan@google.com>
54
55         * arm.cc (Reloc_stub::stub_type_for_reloc): Use PIC stubs in all
56         position independent outputs, not just shared objects.
57
58 2012-01-30  H.J. Lu  <hongjiu.lu@intel.com>
59
60         * configure.ac: Check if -fpic -mtls-dialect=gnu2 works.
61         * configure: Regenerated.
62
63 2012-01-27  Ian Lance Taylor  <iant@google.com>
64
65         * reloc.h (Bits): New class with static functions, copied from
66         namespace utils in arm.cc.
67         * arm.cc (namespace utils): Remove.  Rewrite all uses to use Bits
68         instead.
69
70 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
71
72         * incremental.cc (write_info_blocks): Correct relocation offset.
73
74 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
75
76         * x86_64.cc (Relocate::tls_gd_to_ie): Support x32.
77         (Relocate::tls_gd_to_le): Likewise.
78
79 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
80
81         * x86_64.cc (Scan::global): Support x32 IFUNC function pointer.
82
83 2012-01-27  H.J. Lu  <hongjiu.lu@intel.com>
84
85         * configure.ac: Check if -mcmodel=medium works.
86         * configure: Regenerated.
87
88 2012-01-24  Cary Coutant  <ccoutant@google.com>
89
90         * int_encoding.cc (read_unsigned_LEB_128): Replaced with inline
91         definition and ...
92         (read_unsigned_LEB_128_x): ... this new function.
93         (read_signed_LEB_128): Replaced with inline definition and ...
94         (read_signed_LEB_128_x): ... this new function.
95         * int_encoding.h  (read_unsigned_LEB_128_x): New function.
96         (read_unsigned_LEB_128): Add inline definition.
97         (read_signed_LEB_128_x): New function.
98         (read_signed_LEB_128): Add inline definition.
99         * testsuite/Makefile.am (leb128_unittest): New unit test.
100         * testsuite/Makefile.in: Regenerate.
101         * testsuite/leb128_unittest.cc: New unit test.
102
103 2012-01-23  Ian Lance Taylor  <iant@google.com>
104
105         PR gold/13617
106         * i386.cc (Target_i386::do_code_fill): When using a jmp
107         instruction, pad with nop instructions.
108         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
109
110 2012-01-22  H.J. Lu  <hongjiu.lu@intel.com>
111
112         * x86_64.cc (gc_process_relocs): Add typename on types used in
113         template.
114         (scan_relocs): Likewise.
115         (relocate_section): Likewise.
116         (apply_relocation): Likewise.
117
118 2012-01-10  H.J. Lu  <hongjiu.lu@intel.com>
119
120         * x86_64.cc (Scan::check_non_pic): Allow R_X86_64_32 for x32.
121         (Scan::local): Use R_X86_64_RELATIVE relocation for R_X86_64_32
122         under x32.
123
124 2012-01-09  H.J. Lu  <hongjiu.lu@intel.com>
125
126         * x86_64.cc: Initial support for x32.
127
128 2012-01-03  Cary Coutant  <ccoutant@google.com>
129
130         * gold/incremental.cc (Sized_incremental_binary::do_process_got_plt):
131         Use abstract base class for GOT.
132         * gold/output.h (class Output_data_got_base): New abstract base class.
133         (class Output_data_got): Derive from new base class, adjust ctors.
134         (Output_data_got::reserve_slot): Make virtual; rename to
135         do_reserve_slot; Adjust callers.
136         * gold/target.h (Sized_target::init_got_plt_for_update): Return
137         pointer to abstract base class.
138         * gold/x86_64.cc (Target_x86_64::init_got_plt_for_update): Likewise.
139
140 2011-12-18  Ian Lance Taylor  <iant@google.com>
141
142         * object.h (Relobj::local_symbol_value): New function.
143         (Relobj::local_plt_offset): New function.
144         (Relobj::local_has_got_offset): New function.
145         (Relobj::local_got_offset): New function.
146         (Relobj::set_local_got_offset): New function.
147         (Relobj::do_local_symbol_value): New pure virtual function.
148         (Relobj::do_local_plt_offset): Likewise.
149         (Relobj::do_local_has_got_offset): Likewise.
150         (Relobj::do_local_got_offset): Likewise.
151         (Relobj::do_set_local_got_offset): Likewise.
152         (Sized_relobj::do_local_has_got_offset): Rename from
153         local_has_got_offset.
154         (Sized_relobj::do_local_got_offset): Rename from local_got_offset.
155         (Sized_relobj::do_set_local_got_offset): Rename from
156         set_local_got_offset.
157         (Sized_relobj_file::do_local_plt_offset): Rename from
158         local_plt_offset.
159         (Sized_relobj_file::do_local_symbol_value): New function.
160         * object.cc (Sized_relobj_file::do_local_plt_offset): Rename from
161         local_plt_offset.
162         * output.cc (Output_data_got::Got_entry::write): Change object to
163         Relobj.  Use local_symbol_value.
164         (Output_data_got::add_global_with_rel): Change rel_dyn to
165         Output_data_reloc_generic*.  Use add_global_generic.
166         (Output_data_got::add_global_with_rela): Remove.  Change all
167         callers to use add_global_with_rel.
168         (Output_data_got::add_global_pair_with_rel): Change rel_dyn to
169         Output_data_reloc_generic*.  Use add_global_generic.
170         (Output_data_got::add_global_pair_with_rela): Remove.  Change all
171         callers to use add_global_pair_with_rel.
172         (Output_data_got::add_local): Change object to Relobj*.
173         (Output_data_got::add_local_plt): Likewise.
174         (Output_data_got::add_local_with_rel): Change object to Relobj*,
175         change rel_dyn to Output_data_reloc_generic*.  Use
176         add_local_generic.
177         (Output_data_got::add_local_with_rela): Remove.  Change all
178         callers to use all_local_with_rel.
179         (Output_data_got::add_local_pair_with_rel): Change object to
180         Relobj*, change rel_dyn to Output_data_reloc_generic*.  Use
181         add_output_section_generic.
182         (Output_data_got::add_local_pair_with_rela): Remove.  Change all
183         callers to use add_local_pair_with_rel.
184         (Output_data_got::reserve_local): Change object to Relobj*.
185         * output.h: (class Output_data_reloc_generic): Add pure virtual
186         declarations for add_global_generic, add_local_generic,
187         add_output_section_generic.
188         (class Output_data_reloc) [SHT_REL, SHT_RELA]: Implement new
189         functions for Output_data_reloc_generic.  Update declarations for
190         changes listed in output.cc.
191         (class Output_data_got): Change template parameter to got_size.
192         Don't define Rel_dyn or Rela_dyn.  Update declarations per above.
193         * incremental.h (Sized_relobj_incr::do_local_symbol_value): New
194         function.
195         (Sized_relobj_incr::do_local_plt_offset): New function.
196         * copy-relocs.cc (Copy_relocs::Copy_reloc_entry::emit): Call
197         add_global_generic.
198
199 2011-12-17  Cary Coutant  <ccoutant@google.com>
200
201         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Add casts.
202         * resolve.cc (Symbol_table::resolve): Likewise.
203         * i386.cc (Target_i386::do_code_fill): Use char constants for nop
204         arrays.
205         * x86_64.cc (Target_x86_64::do_code_fill): Likewise.
206
207 2011-12-16  Ian Lance Taylor  <iant@google.com>
208
209         * output.h (Output_data_reloc_generic::add): Only call
210         add_dynamic_reloc if this is a dynamic reloc section.
211
212 2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>
213
214         PR gold/13505
215         * target-reloc.h (apply_relocation): Replace <64, false> with
216         <size, big_endian>.
217
218 2011-11-25  Nick Clifton  <nickc@redhat.com>
219
220         * po/it.po: New Italian translation.
221
222 2011-11-17  Sterling Augustine  <saugustine@google.com>
223
224         * script.cc (script_include_directive): Implement.
225         (read_script_file): New local variables name and search_path. Update
226         comment. Call IS_ABSOLUTE_PATH and Dirsearch::find_file_in_dir_list.
227         * dirsearch.h (Dirsearch::find_file_in_dir_list): Declare new method.
228         * dirsearch.cc (Dirsearch::find_file_in_dir_list): Implement it.
229
230 2011-11-11  Sterling Augustine  <saugustine@google.com>
231
232         * yyscript.y (section_cmd): Add support for INCLUDE directive.
233         (file_or_sections_cmd): Likewise.
234
235 2011-11-11  Doug Kwan  <dougkwan@google.com>
236
237         * arm.cc (Target_arm::do_make_elf_object): Allow executable also
238         if --just-symbols is given.
239
240 2011-11-10  Doug Kwan  <dougkwan@google.com>
241
242         PR gold/13362
243         * arm.cc (Target_arm::Relocate::relocate_tls): Do unaligned accesses
244         when processing data relocs.
245         * reloc.h (Relocate_functions::rel_unaligned): New method.
246         (Relocate_functions::pcrel_unaligned): Ditto.
247         (Relocate_functions::rel32_unaligned): Ditto.
248         (Relocate_functions::pcrel32_unaligned): Ditto.
249
250 2011-11-09  Doug Kwan  <dougkwan@google.com>
251
252         PR gold/13362
253         * arm.cc (Arm_scan_relocatable_relocs::Default_scan_relocatable_relocs):
254         Use unaligned 4-byte relocs for static 32-bit data as required by EABI.
255         * reloc.h (Relocatable_relocs::Reloc_strategy): New enum
256         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
257         (Relocate_functions::rel_unaligned): New.
258         (Relocate_functions::rel32_unaligned): New.
259         * target-reloc.h (relocate_for_relocatable): Add code to handle
260         RELOC_ADJUST_FOR_SECTION_4_UNALIGNED.
261         * testsuite/Makefile.am (arm_unaligned_reloc_r.stdout,
262         arm_unaligned_reloc_r): New targets.
263         * testsuite/Makefile.in: Regenerate.
264         * arm_unaligned_reloc.sh: Check unaligned relocs in relocatable
265         linking.
266
267 2011-11-02  Ian Lance Taylor  <iant@google.com>
268
269         * configure.ac: Add --with-lib-path option.  Define LIB_PATH and
270         NATIVE_LINKER.
271         * Makefile.am (AM_CPPFLAGS): Define TOOLLIBDIR.
272         * options.cc (General_options::finalize): Use library search path
273         from configure script if specified.  If not native and no sysroot,
274         only search TOOLLIBDIR.
275         * options.h (Search_directory::Search_directory): Change name to
276         const std::string&.
277         (General_options::add_to_library_path_with_sysroot): Change arg to
278         const std::string&.
279         * configure, Makefile.in, config.in: Rebuild.
280
281 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
282
283         * arm.cc (Target_arm::may_use_v5t_interworking): Check whether
284         we are working around the ARM1176 Erratum.
285         * options.h (General_options::fix_arm1176): Add option.
286         * testsuite/Makefile.am: Add testcases, and keep current ones
287         working.
288         * testsuite/Makefile.in: Regenerate.
289         * testsuite/arm_fix_1176.s: New file.
290         * testsuite/arm_fix_1176.sh: Likewise.
291
292 2011-11-02  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
293
294         * arm.cc (Target_arm::Target_arm): Remove initialisation of
295         may_use_blx_.
296         (Target_arm::may_use_blx): Remove method.
297         (Target_arm::set_may_use_blx): Likewise.
298         (Target_arm::may_use_v4t_interworking): New method.
299         (Target_arm::may_use_v5t_interworking): Likewise.
300         (Target_arm::may_use_blx_): Remove member variable.
301         (Arm_relocate_functions::arm_branch_common): Check for v5T
302         interworking.
303         (Arm_relocate_functions::thumb_branch_common): Likewise.
304         (Reloc_stub::stub_type_for_reloc): Likewise.
305         (Target_arm::do_finalize_sections): Correct interworking checks.
306         * testsuite/Makefile.am: Add new tests.
307         * testsuite/Makefile.in: Regenerate.
308         * testsuite/arm_farcall_arm_arm.s: New test.
309         * testsuite/arm_farcall_arm_arm.sh: Likewise.
310         * testsuite/arm_farcall_arm_thumb.s: Likewise.
311         * testsuite/arm_farcall_arm_thumb.sh: Likewise.
312         * testsuite/arm_farcall_thumb_arm.s: Likewise.
313         * testsuite/arm_farcall_thumb_arm.sh: Likewise.
314         * testsuite/arm_farcall_thumb_thumb.s: Likewise.
315         * testsuite/arm_farcall_thumb_thumb.sh: Likewise.
316
317 2011-10-31  Cary Coutant  <ccoutant@google.com>
318
319         PR gold/13023
320         * expression.cc (Expression::eval_with_dot): Add
321         is_section_dot_assignment parameter.
322         (Expression::eval_maybe_dot): Likewise.  Adjust value when rhs is
323         absolute and assigning to dot within a section.
324         * script-sections.cc
325         (Output_section_element_assignment::set_section_addresses): Pass
326         dot_section to set_if_absolute.
327         (Output_section_element_dot_assignment::finalize_symbols): Pass TRUE
328         as is_section_dot_assignment flag to eval_with_dot.
329         (Output_section_element_dot_assignment::set_section_addresses):
330         Likewise.
331         * script.cc (Symbol_assignment::set_if_absolute): Add dot_section
332         parameter.  Also set value if relative to dot_section; set the
333         symbol's output_section.
334         * script.h (Expression::eval_with_dot): Add is_section_dot_assignment
335         parameter.  Adjust all callers.
336         (Expression::eval_maybe_dot): Likewise.
337         (Symbol_assignment::set_if_absolute): Add dot_section parameter.
338         Adjust all callers.
339         * testsuite/script_test_2.t: Test assignment of an absolute value
340         to dot within an output section element.
341
342 2011-10-31  Cary Coutant  <ccoutant@google.com>
343
344         * options.h (class General_options): Add --[no-]gnu-unique options.
345         * symtab.cc (Symbol_table::sized_write_globals): Convert
346         STB_GNU_UNIQUE to STB_GLOBAL if --no-gnu-unique.
347
348 2011-10-31  Cary Coutant  <ccoutant@google.com>
349
350         PR gold/13359
351         * i386.cc (Target_i386::Relocate::relocate_tls): Remove
352         unnecessary assertion.
353         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Likewise.
354
355 2011-10-31 Sriraman Tallam  <tmsriram@google.com>
356
357         * symtab.h (Symbol_table::gc_mark_symbol_for_shlib): Rename to
358         gc_mark_symbol.
359         * symtab.cc (Symbol_table::gc_mark_symbol_for_shlib): Rename to
360         gc_mark_symbol.
361         Change to just keep the section associated with symbol.
362         (Symbol_table::add_from_relobj): Mark symbols as not garbage when
363         they are externally visible and --export-dynamic is turned on.
364         (Symbol_table::gc_mark_dyn_syms): Call gc_mark_symbol.
365
366 2011-10-19  Ian Lance Taylor  <iant@google.com>
367
368         PR gold/13163
369         * script-sections.cc
370         (Output_section_element_dot_assignment::needs_output_section): New
371         function.
372
373 2011-10-19  Ian Lance Taylor  <iant@google.com>
374
375         PR gold/13204
376         * layout.cc (Layout::segment_precedes): Don't assert failure if a
377         --section-start option was seen.
378         * options.h (General_options::any_section_start): New function.
379
380 2011-10-18  David S. Miller  <davem@davemloft.net>
381
382         PR binutils/13301
383         * sparc.cc (Target_sparc::Relocate::reloc_adjust_addr_): New
384         member to track relocation locations that have moved during TLS
385         reloc optimizations.
386         (Target_sparc::Relocate::Relocate): Initialize to NULL.
387         (Target_sparc::Relocate::relocate): Adjust view down by 4
388         bytes if it matches reloc_adjust_addr_.
389         (Target_sparc::Relocate::relocate_tls): Always move the
390         __tls_get_addr call delay slot instruction forward 4 bytes when
391         performing relaxation.
392
393 2011-10-18  Cary Coutant  <ccoutant@google.com>
394
395         * output.cc (posix_fallocate): Return 0 on success, errno on failure.
396         (Output_file::map_no_anonymous): Check for non-zero
397         return code from posix_fallocate.
398
399 2011-10-17  Cary Coutant  <ccoutant@google.com>
400
401         PR gold/13245
402         * plugin.cc (is_visible_from_outside): Check for symbols
403         referenced from dynamic objects.
404         * resolve.cc (Symbol_table::resolve): Don't count references
405         from dynamic objects as references from real ELF files.
406         * testsuite/plugin_test_2.sh: Adjust expected result.
407
408 2011-10-17  Cary Coutant  <ccoutant@google.com>
409
410         * gold.cc: Include timer.h.
411         (queue_middle_tasks): Stamp time.
412         (queue_final_tasks): Likewise.
413         * main.cc (main): Store timer in parameters.  Print timers
414         for each pass.
415         * parameters.cc (Parameters::Parameters): Initialize timer_.
416         (Parameters::set_timer): New function.
417         (set_parameters_timer): New function.
418         * parameters.h (Parameters::set_timer): New function.
419         (Parameters::timer): New function.
420         (Parameters::timer_): New data member.
421         (set_parameters_timer): New function.
422         * timer.cc (Timer::stamp): New function.
423         (Timer::get_pass_time): New function.
424         * timer.h (Timer::stamp): New function.
425         (Timer::get_pass_time): New function.
426         (Timer::pass_times_): New data member.
427
428 2011-10-17  Cary Coutant  <ccoutant@google.com>
429
430         * readsyms.cc (Read_symbols::run): Don't queue an unblocker
431         task for members of lib groups.
432
433 2011-10-17  Cary Coutant  <ccoutant@google.com>
434
435         PR gold/13288
436         * fileread.cc (File_read::find_view): Add assert.
437         (File_read::make_view): Move bounds check (replace with assert)...
438         (File_read::find_or_make_view): ... to here.
439
440 2011-10-12  Cary Coutant  <ccoutant@google.com>
441
442         * output.cc (Output_file::open_base_file): Handle case where
443         ::read returns less than requested size.
444
445 2011-10-10  Cary Coutant  <ccoutant@google.com>
446
447         * incremental.cc (Sized_relobj_incr::Sized_relobj_incr):
448         Initialize defined_count_.
449         (Sized_relobj_incr::do_add_symbols): Count defined symbols.
450         (Sized_relobj_incr::do_get_global_symbol_counts): Rewrite.
451         (Sized_incr_dynobj::Sized_incr_dynobj): Initialize defined_count_.
452         (Sized_incr_dynobj::do_add_symbols): Count defined symbols.
453         (Sized_incr_dynobj::do_get_global_symbol_counts): Rewrite.
454         * incremental.h (Sized_relobj_incr::defined_count_): New data
455         member.
456         (Sized_incr_dynobj::defined_count_): New data member.
457         * plugin.cc (Sized_pluginobj::do_get_global_symbol_counts):
458         Return zeroes instead of internal error.
459
460 2011-10-10  Cary Coutant  <ccoutant@google.com>
461
462         PR gold/13249
463         * output.cc (Output_reloc::Output_reloc): Add use_plt_offset flag.
464         (Output_reloc::symbol_value): Return PLT offset if flag is set.
465         * output.h (class Output_reloc): Add use_plt_offset flag.
466         (Output_reloc::type_): Adjust size of bit field.
467         (Output_reloc::use_plt_offset_): New bit field.
468         (class Output_data_reloc): Adjust all calls to Output_reloc_type.
469         (Output_data_reloc::add_local_relative): (RELA only) Add use_plt_offset
470         flag.  Adjust all callers.
471         * x86_64.cc (Target_x86_64::Scan::local): Check for IFUNC when
472         creating RELATIVE relocations.
473
474 2011-10-10  Nick Clifton  <nickc@redhat.com>
475
476         * po/es.po: Updated Spanish translation.
477         * po/fi.po: Updated Finnish translation.
478
479 2011-10-03   Diego Novillo  <dnovillo@google.com>
480
481         * options.cc (parse_uint): Fix dereference of RETVAL.
482
483 2011-09-29  Sriraman Tallam  <tmsriram@google.com>
484
485         * layout.h (section_order_map_): New member.
486         (get_section_order_map): New member function.
487         * output.cc (Output_section::add_input_section): Check for patterns
488         only when --section-ordering-file is specified.
489         * gold.cc (queue_middle_tasks): Delay updating order of sections till
490         output_sections have been formed.
491         * layout.cc (Layout_Layout): Initialize section_order_map_.
492         * plugin.cc (update_section_order): Store order in order_map. Do not
493         update the order.
494         * testsuite/Makefile.am: Add test case for plugin_final_layout.
495         * testsuite/Makefile.in: Regenerate.
496         * testsuite/plugin_section_order.c: New file.
497         * testsuite/plugin_final_layout.cc: New file.
498         * testsuite/plugin_final_layout.sh: New file.
499
500 2011-09-29  Cary Coutant  <ccoutant@google.com>
501
502         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
503         Check for NULL.
504         * symtab.cc (Symbol_table::add_from_relobj): Ignore version
505         symbols during incremental update.
506         (Symbol_table::add_from_dynobj): Likewise.
507
508 2011-09-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
509             Ian Lance Taylor  <iant@google.com>
510
511         * symtab.cc (Symbol_table::define_special_symbol): Always
512         canonicalize version string.
513
514 2011-09-26  Cary Coutant  <ccoutant@google.com>
515
516         * gold.cc (queue_initial_tasks): Move option checks ...
517         * options.cc (General_options::finalize): ... to here. Disable
518         some options; make others fatal.
519
520 2011-09-26  Cary Coutant  <ccoutant@google.com>
521
522         gcc PR lto/47247
523         * plugin.cc (get_symbols_v2): New function.
524         (Plugin::load): Add LDPT_GET_SYMBOLS_V2.
525         (is_referenced_from_outside): New function.
526         (Pluginobj::get_symbol_resolution_info): Add version parameter, return
527         LDPR_PREVAILING_DEF_IRONLY_EXP when using new version.
528         (get_symbols): Pass version parameter.
529         (get_symbols_v2): New function.
530         * plugin.h (Pluginobj::get_symbol_resolution_info): Add version
531         parameter.
532         * testsuite/plugin_test.c (get_symbols_v2): New static variable.
533         (onload): Add LDPT_GET_SYMBOLS_V2.
534         (all_symbols_read_hook): Use get_symbols_v2; check for
535         LDPR_PREVAILING_DEF_IRONLY_EXP.
536         * testsuite/plugin_test_3.sh: Update expected results.
537
538 2011-09-23  Simon Baldwin  <simonb@google.com>
539
540         * configure.ac: Add new --with-gold-ldadd and --with-gold-ldflags
541         configuration options.
542         * configure: Regenerate.
543         * Makefile.am: Handle GOLD_LDADD and GOLD_LDFLAGS.
544         * Makefile.in: Regenerate.
545         * testsuite/Makefile.in: Regenerate.
546
547 2011-09-19  Sriraman Tallam  <tmsriram@google.com>
548
549         * plugin.h (should_defer_layout): Modify to check for any_claimed_.
550
551 2011-09-19  Cary Coutant  <ccoutant@google.com>
552
553         * incremental.cc (can_incremental_update): Fix typo in comment.
554         * incremental.h (can_incremental_update): Likewise.
555
556 2011-09-18  Cary Coutant  <ccoutant@google.com>
557
558         * incremental.cc (can_incremental_update): New function.
559         * incremental.h (can_incremental_update): New function.
560         * layout.cc (Layout::init_fixed_output_section): Call it.
561         (Layout::make_output_section): Don't allow patch space in .eh_frame.
562         * object.cc (Sized_relobj_file::do_layout): Call
563         can_incremental_update.
564
565 2011-09-13  Cary Coutant  <ccoutant@google.com>
566
567         * configure.ac: Check for glibc support for gnu_indirect_function
568         support with static linking, setting automake conditional
569         IFUNC_STATIC.
570         * Makefile.in: Regenerate.
571         * configure: Regenerate.
572
573         * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
574         (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
575         for IFUNC_STATIC.
576         * testsuite/Makefile.in: Regenerate.
577
578 2011-09-13  Cary Coutant  <ccoutant@google.com>
579
580         * incremental.cc (Sized_relobj_incr::do_layout): Call
581         report_comdat_group for kept comdat sections.
582         * testsuite/Makefile.am (incremental_comdat_test_1): New test.
583         * testsuite/Makefile.in: Regenerate.
584         * testsuite/incr_comdat_test_1.cc: New source file.
585         * testsuite/incr_comdat_test_2_v1.cc: New source file.
586         * testsuite/incr_comdat_test_2_v2.cc: New source file.
587         * testsuite/incr_comdat_test_2_v3.cc: New source file.
588
589 2011-09-13  Ian Lance Taylor  <iant@google.com>
590
591         * object.cc (Sized_relobj_file::do_layout): Remove unused local
592         variable external_symbols_offset.
593
594 2011-09-12  Ian Lance Taylor  <iant@google.com>
595
596         * object.cc (Sized_relobj_file::do_layout): Remove assertion which
597         triggered if object has no symbols.
598
599 2011-09-09  David S. Miller  <davem@davemloft.net>
600
601         * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
602         (Output_fill_debug_line::do_write): Likewise.
603
604 2011-08-29  Cary Coutant  <ccoutant@google.com>
605
606         * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
607         casts to match formatting specs.
608         (Output_fill_debug_line::do_minimum_hole_size): Likewise.
609
610 2011-08-26  Cary Coutant  <ccoutant@google.com>
611
612         * layout.cc (Free_list::allocate): Provide guarantee of minimum
613         remaining hole size when allocating.
614         (Layout::make_output_section): Set fill methods for debug sections.
615         * layout.h (Free_list::Free_list_node): Move from private to
616         public.
617         (Free_list::set_min_hole_size): New function.
618         (Free_list::begin, Free_list::end): New functions.
619         (Free_list::min_hole_): New data member.
620         * output.cc: Include dwarf.h.
621         (Output_fill_debug_info::do_minimum_hole_size): New function.
622         (Output_fill_debug_info::do_write): New function.
623         (Output_fill_debug_line::do_minimum_hole_size): New function.
624         (Output_fill_debug_line::do_write): New function.
625         (Output_section::Output_section): Initialize new data member.
626         (Output_section::set_final_data_size): Ensure patch space is larger
627         than minimum hole size.
628         (Output_section::do_write): Fill holes in debug sections.
629         * output.h (Output_fill): New class.
630         (Output_fill_debug_info): New class.
631         (Output_fill_debug_line): New class.
632         (Output_section::set_free_space_fill): New function.
633         (Output_section::free_space_fill_): New data member.
634         * testsuite/Makefile.am (incremental_test_3): Add
635         --incremental-patch option.
636         (incremental_test_4): Likewise.
637         (incremental_test_5): Likewise.
638         (incremental_test_6): Likewise.
639         (incremental_copy_test): Likewise.
640         (incremental_common_test_1): Likewise.
641         * testsuite/Makefile.in: Regenerate.
642
643 2011-08-26  Nick Clifton  <nickc@redhat.com>
644
645         * po/es.po: Updated Spanish translation.
646
647 2011-08-01  Cary Coutant  <ccoutant@google.com>
648
649         * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
650         * gold/testsuite/Makefile.in: Regenerate.
651         * gold/testsuite/justsyms_exec.c: New source file.
652         * gold/testsuite/justsyms_lib.c: New source file.
653
654 2011-08-01  Cary Coutant  <ccoutant@google.com>
655
656         * layout.cc (Layout::set_segment_offsets): Don't realign text
657         segment if -Ttext was specified.
658         * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
659         file type.
660         * object.h (Sized_relobj_file::e_type): New function.
661         (Sized_relobj_file::e_type_): New data member.
662         * symtab.cc (Symbol_table::add_from_relobj): Don't add section
663         base address for ET_EXEC files.
664         * target.cc (Target::do_make_elf_object_implementation): Allow
665         ET_EXEC files with --just-symbols option.
666
667 2011-07-28  Cary Coutant  <ccoutant@google.com>
668
669         * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
670         Add thread_number parameter.
671         (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
672         * workqueue-threads.cc
673         (Workqueue_threader_threadpool::should_cancel_thread): Cancel
674         current thread if its thread number is greater than desired thread
675         count.
676         * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
677         Add thread_number parameter.
678         (Workqueue::should_cancel_thread): Likewise.
679         (Workqueue::find_runnable_or_wait): Pass thread_number to
680         should_cancel_thread.
681         * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
682         parameter.
683
684 2011-07-22  Sriraman Tallam  <tmsriram@google.com>
685
686         * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
687         only after checking if it cannot be forced local.
688         * symtab.h (is_externally_visible): Check if the symbol is not forced
689         local.
690
691 2011-07-15  Ian Lance Taylor  <iant@google.com>
692
693         * options.h (class General_options): Add --print-output-format.
694         Move -EL next to -EB, for  better --help output.
695         * target-select.cc: Include <cstdio>, "options.h", and
696         "parameters.h".
697         (Target_selector::do_target_bfd_name): New function.
698         (print_output_format): New function.
699         * target-select.h (class Target_selector): Update declarations.
700         (Target_selector::target_bfd_name): New function.
701         (print_output_format): Declare.
702         * main.cc: Include "target-select.h".
703         (main): Handle --print-output-format.
704         * gold.cc: Include "target-select.h".
705         (queue_initial_tasks): Handle --print-output-format when there are
706         no input files.
707         * parameters.cc (parameters_force_valid_target): Give a better
708         error message if -EB/-EL does not match target.
709         * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
710         function.
711
712 2011-07-15  Ian Lance Taylor  <iant@google.com>
713
714         * i386.cc (class Output_data_plt_i386): Add layout_ field.
715         (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
716         (Output_data_plt_i386::do_write): Write address of .dynamic
717         section to first entry in .got.plt section.
718         * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
719         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
720         Initialize layout_.
721         (Output_data_plt_x86_64::do_write): Write address of .dynamic
722         section to first entry in .got.plt section.
723         * layout.h (Layout::dynamic_section): New function.
724
725 2011-07-13  Sriraman Tallam  <tmsriram@google.com>
726
727         * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
728         to claim_file call.
729         * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
730         input_section_position_, and input_section_glob_.
731         (read_layout_from_file): Call function section_ordering_specified.
732         * layout.h (is_section_ordering_specified): New function.
733         (section_ordering_specified): New function.
734         (section_ordering_specified_): New boolean member.
735         * main.cc(main): Call load_plugins after layout object is defined.
736         * output.cc (Output_section::add_input_section): Use
737         function section_ordering_specified to check if section ordering is
738         needed.
739         * output.cc (Output_section::add_relaxed_input_section): Use
740         function section_ordering_specified to check if section ordering is
741         needed.
742         (Output_section::update_section_layout): New function.
743         (Output_section::sort_attached_input_sections): Check if input section
744         must be reordered.
745         * output.h (Output_section::update_section_layout): New function.
746         * plugin.cc (get_section_count): New function.
747         (get_section_type): New function.
748         (get_section_name): New function.
749         (get_section_contents): New function.
750         (update_section_order): New function.
751         (allow_section_ordering): New function. 
752         (Plugin::load): Add the new interfaces to the transfer vector.
753         (Plugin_manager::load_plugins): New parameter.
754         (Plugin_manager::all_symbols_read): New parameter.
755         (Plugin_manager::claim_file): New parameter. Save the elf object for
756         unclaimed objects.
757         (Plugin_manager::get_elf_object): New function.
758         (Plugin_manager::get_view): Change to directly use the bool to check
759         if get_view is called from claim_file_hook.
760         * plugin.h (input_objects): New function
761         (Plugin__manager::load_plugins): New parameter.
762         (Plugin_manager::claim_file): New parameter.
763         (Plugin_manager::get_elf_object): New function.
764         (Plugin_manager::in_claim_file_handler): New function.
765         (Plugin_manager::in_claim_file_handler_): New member.
766         (layout): New function.
767         * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
768         handler with an extra parameter. Make the elf object before calling
769         claim_file handler.
770         * testsuite/plugin_test.c (get_section_count): New function pointer.
771         (get_section_type): New function pointer.
772         (get_section_name): New function pointer.
773         (get_section_contents): New function pointer.
774         (update_section_order): New function pointer.
775         (allow_section_ordering): New function pointer.
776         (onload): Check if the new interfaces exist.
777
778 2011-07-13  Ian Lance Taylor  <iant@google.com>
779
780         * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
781         relro section.
782         * x86_64.cc (Target_x86_64::got_section): Likewise.
783         * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
784         (relro_now_test_SOURCES): New variable.
785         (relro_now_test_DEPENDENCIES): New variable.
786         (relro_now_test_LDFLAGS): New variable.
787         (relro_now_test_LDADD): New variable.
788         (relro_now_test.so): New target.
789         * testsuite/Makefile.in: Rebuild.
790
791 2011-07-12  Ian Lance Taylor  <iant@google.com>
792
793         PR gold/12980
794         * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
795         GLOB_DAT relocation rather than a RELATIVE relocation for a
796         protected symbol when creating a shared library.
797         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
798         * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
799         * testsuite/protected_main_1.cc (main): Test that protected
800         function has same address.
801
802 2011-07-11  Ian Lance Taylor  <iant@google.com>
803
804         PR gold/12979
805         * options.h (class General_options): Add -Bgroup.
806         * options.cc (General_options::finalize): If -Bgroup is set,
807         default to --unresolved-symbols=report-all.
808         * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
809         * target-reloc.h (issue_undefined_symbol_error): Handle
810         --unresolved-symbols=report-all.
811
812 2011-07-08  Ian Lance Taylor  <iant@google.com>
813
814         PR gold/11985
815         * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
816         if linker script discards key sections.
817         (Layout::create_dynamic_symtab): Likewise.
818         (Layout::assign_local_dynsym_offsets): Likewise.
819         (Layout::sized_create_version_sections): Likewise.
820         (Layout::create_interp): Likewise.
821         (Layout::finish_dynamic_section): Likewise.
822         (Layout::set_dynamic_symbol_size): Likewise.
823
824 2011-07-08  Ian Lance Taylor  <iant@google.com>
825
826         PR gold/12386
827         * options.h (class General_options): Add --unresolved-symbols.
828         * target-reloc.h (issue_undefined_symbol_error): Check
829         --unresolved-symbols.  Add comments.
830
831 2011-07-08  Ian Lance Taylor  <iant@google.com>
832
833         * testsuite/odr_violation2.cc (Ordering::operator()): Make
834         expression more complex.
835
836 2011-07-08  Ian Lance Taylor  <iant@google.com>
837
838         PR gold/11317
839         * target-reloc.h (issue_undefined_symbol_error): New inline
840         function, broken out of relocate_section.
841         (relocate_section): Call issue_undefined_symbol_error.
842         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
843         there is no TLS segment if we are about to issue an undefined
844         symbol error.
845         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
846
847 2011-07-08  Ian Lance Taylor  <iant@google.com>
848
849         PR gold/12279
850         * resolve.cc (Symbol_table::should_override): Add fromtype
851         parameter.  Change all callers.  Give error when linking together
852         TLS and non-TLS symbol.
853         (Symbol_table::should_override_with_special): Add fromtype
854         parameter.  Change all callers.
855         * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
856         there is no TLS segment if we have reported some errors.
857         * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
858
859 2011-07-08  Ian Lance Taylor  <iant@google.com>
860
861         PR gold/12372
862         * target.h (Target::plt_address_for_global): New function.
863         (Target::plt_address_for_local): New function.
864         (Target::plt_section_for_global): Remove.
865         (Target::plt_section_for_local): Remove.
866         (Target::do_plt_address_for_global): New virtual function.
867         (Target::do_plt_address_for_local): New virtual function.
868         (Target::do_plt_section_for_global): Remove.
869         (Target::do_plt_section_for_local): Remove.
870         (Target::register_global_plt_entry): Add Symbol_table and Layout
871         parameters.
872         * output.cc (Output_data_got::Got_entry::write): Use
873         plt_address_for_global and plt_address_for_local.
874         * layout.cc (Layout::add_target_dynamic_tags): Use size and
875         address of output section.
876         * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
877         got_irelative_, and irelative_count_ fields.  Update
878         declarations.
879         (Output_data_plt_i386::has_irelative_section): New function.
880         (Output_data_plt_i386::entry_count): Add irelative_count_.
881         (Output_data_plt_i386::set_final_data_size): Likewise.
882         (class Target_i386): Add got_irelative_ and rel_irelative_
883         fields.  Update declarations.
884         (Target_i386::Target_i386): Initialize new fields.
885         (Target_i386::do_plt_address_for_global): New function replacing
886         do_plt_section_for_global.
887         (Target_i386::do_plt_address_for_local): New function replacing
888         do_plt_section_for_local.
889         (Target_i386::got_section): Create got_irelative_.
890         (Target_i386::rel_irelative_section): New function.
891         (Output_data_plt_i386::Output_data_plt_i386): Initialize new
892         fields.  Don't define __rel_iplt_{start,end}.
893         (Output_data_plt_i386::add_entry): Add symtab and layout
894         parameters.  Change all callers.  Use different PLT and GOT for
895         IFUNC symbols.
896         (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
897         layout parameters.  Change all callers.  Use different PLT and
898         GOT.
899         (Output_data_plt_i386::rel_tls_desc): Fix formatting.
900         (Output_data_plt_i386::rel_irelative): New function.
901         (Output_data_plt_i386::address_for_global): New function.
902         (Output_data_plt_i386::address_for_local): New function.
903         (Output_data_plt_i386::do_write): Write out IRELATIVE area.  Use
904         IRELATIVE GOT when changing IFUNC GOT entries.
905         (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
906         reloc.
907         (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
908         if we didn't create an IRELATIVE GOT.
909         (Target_i386::Relocate::relocate): Use plt_address_for_global and
910         plt_address_for_local.
911         (Target_i386::do_dynsym_value): Use plt_address_for_global.
912         * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
913         got_irelative_, and irelative_count_ fields.  Update
914         declarations.
915         (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
916         Initialize new fields.  Remove symtab parameter.  Change all
917         callers.
918         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
919         irelative_count_.
920         (Output_data_plt_x86_64::has_irelative_section): New function.
921         (Output_data_plt_x86_64::entry_count): Add irelative_count_.
922         (class Target_x86_64): Add got_irelative_ and rel_irelative_
923         fields.  Update declarations.
924         (Target_x86_64::Target_x86_64): Initialize new fields.
925         (Target_x86_64::do_plt_address_for_global): New function replacing
926         do_plt_section_for_global.
927         (Target_x86_64::do_plt_address_for_local): New function replacing
928         do_plt_section_for_local.
929         (Target_x86_64::got_section): Create got_irelative_.
930         (Target_x86_64::rela_irelative_section): New function.
931         (Output_data_plt_x86_64::init): Remove symtab parameter.  Change
932         all callers.  Don't create __rel_iplt_{start,end}.
933         (Output_data_plt_x86_64::add_entry): Add symtab and layout
934         parameters.  Change all callers.  Use different PLT and GOT for
935         IFUNC symbols.
936         (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
937         layout parameters.  Change all callers.  Use different PLT and
938         GOT.
939         (Output_data_plt_x86_64::add_relocation): Add symtab and layout
940         parameters.  Change all callers.  Use different PLT and GOT for
941         IFUNC symbols.
942         (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
943         (Output_data_plt_x86_64::rela_irelative): New function.
944         (Output_data_plt_x86_64::address_for_global): New function.
945         (Output_data_plt_x86_64::address_for_local): New function.
946         (Output_data_plt_x86_64::set_final_data_size): Likewise.
947         (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
948         (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
949         (Target_x86_64::register_global_plt_entry): Add symtab and layout
950         parameters.
951         (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
952         reloc.
953         (Target_x86_64::do_finalize_sections): Create the __rela_iplt
954         symbols if we didn't create an IRELATIVE GOT.
955         (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
956         plt_address_for_local.
957         (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
958         * testsuite/ifuncvar1.c: New test file.
959         * testsuite/ifuncvar2.c: New test file.
960         * testsuite/ifuncvar3.c: New test file.
961         * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
962         (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
963         (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
964         (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
965         * testsuite/Makefile.in: Rebuild.
966
967 2011-07-07  Cary Coutant  <ccoutant@google.com>
968
969         * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
970         (two_file_test_1_ndebug.o): Likewise.
971         (two_file_test_1b_ndebug.o): Likewise.
972         (two_file_test_2_ndebug.o): Likewise.
973         (two_file_test_main_ndebug.o): Likewise.
974         (incremental_test_2): Link with no-debug versions.
975
976 2011-07-06  Cary Coutant  <ccoutant@google.com>
977
978         * gold/incremental.cc
979         (Output_section_incremental_inputs::write_info_blocks): Check for
980         hidden and internal symbols.
981
982 2011-07-06  Cary Coutant  <ccoutant@google.com>
983
984         * incremental.cc (Sized_incremental_binary::do_file_has_changed):
985         Check disposition for startup file.
986         (Incremental_inputs::report_command_line): Ignore
987         --incremental-startup-unchanged option.
988         * options.cc (General_options::parse_incremental_startup_unchanged):
989         New function.
990         (General_options::General_options): Initialize new data member.
991         * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
992         (General_options): Add --incremental-startup-unchanged option.
993         (General_options::incremental_startup_disposition): New function.
994         (General_options::incremental_startup_disposition_): New data member.
995
996 2011-07-06  Cary Coutant  <ccoutant@google.com>
997
998         * incremental.cc (Sized_incremental_binary::setup_readers): Pass
999         input file index to Script_info ctor.
1000         (Sized_incremental_binary::do_file_has_changed): Find the
1001         command-line argument for files named in scripts.
1002         * incremental.h (Script_info::Script_info): New ctor
1003         with input file index.
1004         (Script_info::input_file_index): New function.
1005         (Script_info::input_file_index_): New data member.
1006         (Incremental_binary::get_library): Add const.
1007         (Incremental_binary::get_script_info): Add const.
1008         * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
1009         * testsuite/Makefile.am (incremental_test_5): New test case.
1010         (incremental_test_6): New test case.
1011         * testsuite/Makefile.in: Regenerate.
1012
1013 2011-07-06  Cary Coutant  <ccoutant@google.com>
1014
1015         * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
1016         debug output when command lines differ.
1017
1018 2011-07-06  Cary Coutant  <ccoutant@google.com>
1019
1020         * incremental.cc (Incremental_inputs::report_command_line): Ignore
1021         --incremental-patch option.
1022         * layout.cc (Free_list::allocate): Extend allocation beyond original
1023         end if enabled.
1024         (Layout::make_output_section): Mark sections that should get
1025         patch space.
1026         * options.cc (parse_percent): New function.
1027         * options.h (parse_percent): New function.
1028         (DEFINE_percent): New macro.
1029         (General_options): Add --incremental-patch option.
1030         * output.cc (Output_section::Output_section): Initialize new data
1031         members.
1032         (Output_section::add_input_section): Print section name when out
1033         of patch space.
1034         (Output_section::add_output_section_data): Likewise.
1035         (Output_section::set_final_data_size): Add patch space when
1036         doing --incremental-full.
1037         (Output_section::do_reset_address_and_file_offset): Remove patch
1038         space.
1039         (Output_segment::set_section_list_addresses): Print debug output
1040         only if --incremental-update.
1041         * output.h (Output_section::set_is_patch_space_allowed): New function.
1042         (Output_section::is_patch_space_allowed_): New data member.
1043         (Output_section::patch_space_): New data member.
1044         * parameters.cc (Parameters::incremental_full): New function.
1045         * parameters.h (Parameters::incremental_full): New function
1046         * testsuite/Makefile.am (incremental_test_2): Add test for
1047         --incremental-patch option.
1048         * testsuite/Makefile.in: Regenerate.
1049         * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
1050         (t18): Remove function body.
1051
1052 2011-07-05  Doug Kwan  <dougkwan@google.com>
1053
1054         PR gold/12771
1055         * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
1056         Arm_Address type for relocation result.
1057         (Arm_relocate_functions::abs16): Use unaligned access.  Also fix
1058         overflow check.
1059         (Arm_relocate_functions::abs32): Use unaligned access.
1060         (Arm_relocate_functions::rel32): Ditto.
1061         (Arm_relocate_functions::prel31): Ditto.
1062         (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
1063         * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
1064         static data relocations.
1065         * testsuite/Makefile.in: Regnerate.
1066         * testsuite/arm_unaligned_reloc.{s,sh}: New files.
1067
1068 2011-07-05  Ian Lance Taylor  <iant@google.com>
1069
1070         PR gold/12392
1071         * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
1072         symbols if necessary.
1073         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1074
1075 2011-07-05  Ian Lance Taylor  <iant@google.com>
1076
1077         PR gold/12952
1078         * resolve.cc (Symbol::override_base_with_special): Simply override
1079         version with special symbol version, ignoring previous version.
1080
1081 2011-07-05  Ian Lance Taylor  <iant@google.com>
1082
1083         * object.cc (Sized_relobj_file::include_section_group): Add
1084         information to comment about signature location.
1085
1086 2011-07-02  Ian Lance Taylor  <iant@google.com>
1087
1088         PR gold/12957
1089         * options.h (class General_options): Add -f and -F.
1090         * options.cc (General_options::finalize): Fatal error if -f/-F
1091         are used without -shared.
1092         * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
1093
1094 2011-07-02  Ian Lance Taylor  <iant@google.com>
1095
1096         * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
1097
1098 2011-07-01  Ian Lance Taylor  <iant@google.com>
1099
1100         PR gold/12525
1101         PR gold/12952
1102         * resolve.cc (Symbol::override_base_with_special): Don't override
1103         the version if the overriding symbol has a different name.
1104         * dynobj.cc (Versions::add_def): Add dynpool parameter.  Change
1105         all callers.  If we give an error about an undefined version,
1106         define the base version if necessary.
1107         * dynobj.h (class Versions): Update declaration.
1108         * testsuite/weak_alias_test_5.cc: New file.
1109         * testsuite/weak_alias_test.script: New file.
1110         * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
1111         and versioned_alias have the right value, and call t2.
1112         * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
1113         weak_alias_test_5.so.
1114         (weak_alias_test_LDADD): Likewise.
1115         (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
1116         * testsuite/Makefile.in: Rebuild.
1117
1118 2011-07-01  Ian Lance Taylor  <iant@google.com>
1119
1120         PR gold/12525
1121         * options.h (class General_options): Support -z notext.
1122         * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
1123         -Wl,-z,notext.
1124         (two_file_shared_nonpic.so): Likewise.
1125         (two_file_shared_mixed.so): Likewise.
1126         (two_file_shared_mixed_1.so): Likewise.
1127         (weak_undef_lib_nonpic.so): Likewise.
1128         (alt/weak_undef_lib_nonpic.so): Likewise.
1129         (tls_test_shared_nonpic.so): Likewise.
1130         * testsuite/Makefile.in: Rebuild.
1131
1132 2011-07-01  Ian Lance Taylor  <iant@google.com>
1133
1134         PR gold/12525
1135         * configure.ac: Test whether static linking works, setting
1136         the automake conditional HAVE_STATIC.
1137         * testsuite/Makefile.am: Disable tests using -static if
1138         HAVE_STATIC is not true.
1139         * configure, testsuite/Makefile.in: Rebuild.
1140
1141 2011-07-01  Ian Lance Taylor  <iant@google.com>
1142
1143         PR gold/12525
1144         * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
1145         Assert if we see DW_EH_PE_indirect.
1146         * target.h (Target::ehframe_datarel_base): New function.
1147         (Target::do_ehframe_datarel_base): New target function.
1148         * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
1149         * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
1150         function.
1151
1152 2011-07-01  Ian Lance Taylor  <iant@google.com>
1153
1154         PR gold/12571
1155         * options.h (class General_options): Add
1156         --ld-generated-unwind-info.
1157         * ehframe.cc (Fde::write): Add address parameter.  Change all
1158         callers.  If associated with PLT, fill in address and size.
1159         (Cie::set_output_offset): Only add merge mapping if there is an
1160         object.
1161         (Cie::write): Add address parameter.  Change all callers.
1162         (Eh_frame::add_ehframe_for_plt): New function.
1163         * ehframe.h (class Fde): Update declarations.  Move shndx_ and
1164         input_offset_ fields into union u_, with new plt field.
1165         (Fde::Fde): Adjust for new union field.
1166         (Fde::Fde) [Output_data version]: New constructor.
1167         (Fde::add_mapping): Only add merge mapping if there is an object.
1168         (class Cie): Update declarations.
1169         (class Eh_frame): Declare add_ehframe_for_plt.
1170         * layout.cc (Layout::layout_eh_frame): Break out code into
1171         make_eh_frame_section, and call it.
1172         (Layout::make_eh_frame_section): New function.
1173         (Layout::add_eh_frame_for_plt): New function.
1174         * layout.h (class Layout): Update declarations.
1175         * merge.cc (Merge_map::add_mapping): Add assertion.
1176         * i386.cc: Include "dwarf.h".
1177         (class Output_data_plt_i386): Make first_plt_entry,
1178         dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const.  Add
1179         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1180         and plt_eh_frame_fde.
1181         (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
1182         boundary.  Call add_eh_frame_for_plt if appropriate.
1183         * x86_64.cc: Include "dwarf.h".
1184         (class Output_data_plt_x86_64): Align to 16-byte boundary.  Make
1185         first_plt_entry, plt_entry and tlsdesc_plt_entry const.  Add
1186         plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
1187         and plt_eh_frame_fde.
1188         (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
1189         appropriate.
1190
1191 2011-06-29  Ian Lance Taylor  <iant@google.com>
1192
1193         PR gold/12629
1194         * object.cc (Sized_relobj_file::layout_section): Change shdr
1195         parameter to be const.
1196         (Sized_relobj_file::layout_eh_frame_section): New function, broken
1197         out of do_layout.
1198         (Sized_relobj_file::do_layout): Defer .eh_frame sections if
1199         appropriate.  Call layout_eh_frame_section.
1200         (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
1201         sections.
1202         * object.h (class Sized_relobj_file): Update declarations.
1203
1204 2011-06-29  Ian Lance Taylor  <iant@google.com>
1205
1206         PR gold/12652
1207         * script.cc (Token::integer_value): Accept trailing M/m/K/k
1208         modifier.
1209         (Lex::gather_token): Accept trailing M/m/K/k for integers.
1210
1211 2011-06-29  Ian Lance Taylor  <iant@google.com>
1212
1213         PR gold/12675
1214         * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
1215         SHT_X86_64_UNWIND.
1216         * layout.cc (Layout::layout_eh_frame): Likewise.
1217
1218 2011-06-29  Ian Lance Taylor  <iant@google.com>
1219
1220         PR gold/12695
1221         * layout.cc (Layout::symtab_section_shndx): New function.
1222         * layout.h (class Layout): Declare symtab_section_shndx.
1223         * output.cc (Output_section::write_header): Call it.
1224
1225 2011-06-29  Ian Lance Taylor  <iant@google.com>
1226
1227         PR gold/12818
1228         * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
1229         symbols which are not used in a relocation.
1230
1231 2011-06-28  Ian Lance Taylor  <iant@google.com>
1232
1233         PR gold/12898
1234         * layout.cc (Layout::segment_precedes): Don't crash if a linker
1235         script create indistinguishable segments.
1236         (Layout::set_segment_offsets): Use stable_sort when sorting
1237         segments.  Pass this to Compare_segments constructor.
1238         * layout.h (class Layout): Make segment_precedes non-static.
1239         (class Compare_segments): Change from struct to class.  Add
1240         layout_ field.  Add constructor.
1241         * script-sections.cc
1242         (Script_sections::attach_sections_using_phdrs_clause): Rename
1243         local orphan to is_orphan.  Don't report failure to put empty
1244         section in segment.  On attachment failure, report name of
1245         section, and attach to first PT_LOAD segment.
1246
1247 2011-06-28  Ian Lance Taylor  <iant@google.com>
1248
1249         PR gold/12934
1250         * target-select.cc (Target_selector::Target_selector): Add
1251         emulation parameter.  Change all callers.
1252         (select_target_by_bfd_name): Rename from select_target_by_name.
1253         Change all callers.
1254         (select_target_by_emulation): New function.
1255         (supported_emulation_names): New function.
1256         * target-select.h (class Target_selector): Add emulation_ field.
1257         Update declarations.
1258         (Target_selector::recognize_by_bfd_name): Rename from
1259         recognize_by_name.  Change all callers.
1260         (Target_selector::supported_bfd_names): Rename from
1261         supported_names.  Change all callers.
1262         (Target_selector::recognize_by_emulation): New function.
1263         (Target_selector::supported_emulations): New function.
1264         (Target_selector::emulation): New function.
1265         (Target_selector::do_recognize_by_bfd_name): Rename from
1266         do_recognize_by_name.  Change all callers.
1267         (Target_selector::do_supported_bfd_names): Rename from
1268         do_supported_names.  Change all callers.
1269         (Target_selector::do_recognize_by_emulation): New function.
1270         (Target_selector::do_supported_emulations): New function.
1271         (select_target_by_bfd_name): Change name in declaration.
1272         (select_target_by_emulation): Declare.
1273         (supported_emulation_names): Declare.
1274         * parameters.cc (parameters_force_valid_target): Try to find
1275         target based on emulation from -m option.
1276         * options.h (class General_options): Change doc string for -m.
1277         * options.cc (help): Print emulations.
1278         (General_options::parse_V): Likewise.
1279         * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
1280         Add emulation parameter.  Change all callers.
1281
1282 2011-06-28  Ian Lance Taylor  <iant@google.com>
1283
1284         * target.h (class Target): Add osabi_ field.
1285         (Target::osabi): New function.
1286         (Target::set_osabi): New function.
1287         (Target::Target): Initialize osabi_.
1288         (Target::do_adjust_elf_header): Make pure virtual.
1289         (Sized_target::do_adjust_elf_header): Declare.
1290         * target.cc (Sized_target::do_adjust_elf_header): New function.
1291         (class Sized_target): Instantiate all versions.
1292         * freebsd.h (class Target_freebsd): Remove.
1293         (Target_selector_freebsd::do_recognize): Call set_osabi on
1294         Target.
1295         (Target_selector_freebsd::do_recognize_by_name): Likewise.
1296         (Target_selector_freebsd::set_osabi): Remove.
1297         * i386.cc (class Target_i386): Inherit from Sized_target rather
1298         than Target_freebsd.
1299         * x86_64.cc (class Target_x86_64): Likewise.
1300
1301 2011-06-28  Ian Lance Taylor  <iant@google.com>
1302
1303         * target.h (Target::can_check_for_function_pointers): Rewrite.
1304         Make non-virtual.
1305         (Target::can_icf_inline_merge_sections): Likewise.
1306         (Target::section_may_have_icf_unsafe_poineters): Likewise.
1307         (Target::Target_info): Add can_icf_inline_merge_sections field.
1308         (Target::do_can_check_for_function_pointers): New virtual
1309         function.
1310         (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
1311         * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
1312         from can_check_for_function_pointers, move in file.
1313         (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
1314         section_may_have_icf_unsafe_poineters, move in file.
1315         (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
1316         * i386.cc (Target_i386::do_can_check_for_function_pointers):
1317         Rename from can_check_for_function_pointers, move in file.
1318         (Target_i386::can_icf_inline_merge_sections): Remove.
1319         (Target_i386::i386_info): Initialize
1320         can_icf_inline_merge_sections.
1321         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
1322         Initialize can_icf_inline_merge_sections.
1323         * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
1324         * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
1325         Rename from can_check_for_function_pointers, move in file.
1326         (Target_x86_64::can_icf_inline_merge_sections): Remove.
1327         (Target_x86_64::x86_64_info): Initialize
1328         can_icf_inline_merge_sections.
1329         * testsuite/testfile.cc (Target_test::test_target_info):
1330         Likewise.
1331         * icf.cc (get_section_contents): Correct formatting.
1332
1333 2011-06-27  Ian Lance Taylor  <iant@google.com>
1334
1335         * symtab.cc (Symbol::versioned_name): New function.
1336         (Symbol_table::add_to_final_symtab): Use versioned_name when
1337         appropriate.
1338         (Symbol_table::sized_write_symbol): Likewise.
1339         * symtab.h (class Symbol): Declare versioned_name.
1340         * stringpool.h (class Stringpool_template): Add variant of add
1341         which takes a std::basic_string.
1342         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
1343         (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
1344         (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
1345         (ver_test_12.o): New target.
1346         * testsuite/Makefile.in: Rebuild.
1347
1348 2011-06-27  Doug Kwan  <dougkwan@google.com>
1349
1350         * arm.cc (Arm_relocate_functions::thm_jump8,
1351         Arm_relocate_functions::thm_jump11): Use a wider signed
1352         type to compute offset.
1353         * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
1354         arm_thm_jump8.
1355         * testsuite/Makefile.in: Regenerate.
1356         * testsuite/arm_branch_in_range.sh: Check test results of
1357         arm_thm_jump11 and arm_thm_jump8.
1358         * testsuite/arm_thm_jump11.s: New test source file.
1359         * testsuite/arm_thm_jump11.t: New linker script.
1360         * testsuite/arm_thm_jump8.s: New test source file.
1361         * testsuite/arm_thm_jump8.t: New linker script.
1362
1363 2011-06-24  Ian Lance Taylor  <iant@google.com>
1364
1365         * layout.cc: Include "object.h".
1366         (ctors_sections_in_init_array): New static variable.
1367         (Layout::is_ctors_in_init_array): New function.
1368         (Layout::layout): Add entry to ctors_sections_in_init_array if
1369         appropriate.
1370         * layout.h (class Layout): Declare is_ctors_in_init_array.
1371         * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
1372         is_ctors_reverse_view is set.
1373         (Sized_relobj_file::write_sections): Add layout parameter.  Change
1374         all callers.  Set is_ctors_reverse_view field of View_size.
1375         (Sized_relobj_file::reverse_words): New function.
1376         * object.h (Sized_relobj_file::View_size): Add
1377         is_ctors_reverse_view field.
1378         (class Sized_relobj_file): Update declarations.
1379         * testsuite/initpri3.c: New test.
1380         * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
1381         initpri3b.
1382         (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
1383         (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
1384         (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
1385         (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
1386         * testsuite/Makefile.in: Rebuild.
1387
1388 2011-06-24  Cary Coutant  <ccoutant@google.com>
1389
1390         * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
1391         (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
1392         (debug_msg_cdebug.err): New targets.
1393         * testsuite/Makefile.in: Regenerate.
1394         * testsuite/debug_msg.sh: Check output of link with compressed debug.
1395         Fix checks for link with shared library.
1396
1397 2011-06-24  Doug Kwan  <dougkwan@google.com>
1398
1399         * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
1400         skip empty text sections.
1401         * testsuite/arm_exidx_test.s: Test handling of an empty text section.
1402
1403 2011-06-22  Ian Lance Taylor  <iant@google.com>
1404
1405         PR gold/12910
1406         * options.h (class General_options): Add --ctors-in-init-array.
1407         * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
1408         friends as SHT_PROGBITS for merging sections.
1409         (Layout::layout): Remove special handling of .init_array and
1410         friends.  Don't sort if doing relocatable link.  Sort for .ctors
1411         and .dtors if ctors_in_init_array.
1412         (Layout::make_output_section): Force correct section types for
1413         .init_array and friends.  Don't sort if doing relocatable link,
1414         Don't sort .ctors and .dtors if ctors_in_init_array.
1415         (Layout::section_name_mapping): Remove .ctors. and .dtorso.
1416         (Layout::output_section_name): Add relobj parameter.  Change all
1417         callers.  Handle .ctors. and .dtors. in code rather than table.
1418         Handle .ctors and .dtors if ctors_in_init_array.
1419         (Layout::match_file_name): New function, moved from output.cc.
1420         * layout.h (class Layout): Update declarations.
1421         * output.cc: Include "layout.h".
1422         (Input_section_sort_entry::get_priority): New function.
1423         (Input_section_sort_entry::match_file_name): Just call
1424         Layout::match_file_name.
1425         (Output_section::Input_section_sort_init_fini_compare::operator()):
1426         Handle .ctors and .dtors.  Sort by explicit priority rather than
1427         by name.
1428         * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
1429         * testsuite/initpri2.c: New test.
1430         * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
1431         (check_PROGRAMS): Add initpri2.
1432         (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
1433         (initpri2_LDFLAGS, initpri2_LDADD): New variables.
1434         * configure, testsuite/Makefile.in: Rebuild.
1435
1436 2011-06-19  Ian Lance Taylor  <iant@google.com>
1437
1438         PR gold/12880
1439         * layout.cc (Layout::attach_allocated_section_to_segment): Add a
1440         .interp section to a PT_INTERP segment even if we have seen a
1441         --dynamic-linker option.  Don't do it if we have seen a PHDRS
1442         clause in a linker script.
1443         (Layout::finalize): Don't create a .interp section if we've
1444         already create a PT_INTERP segment.
1445         (Layout::create_interp): Always call choose_output_section (revert
1446         patch of 2011-06-17).  Don't create PT_INTERP segment.
1447         * script-sections.cc
1448         (Script_sections::create_note_and_tls_segments): Add a .interp
1449         section to a PT_INTERP segment even if we have seen a
1450         --dynamic-linker option.
1451
1452 2011-06-18  Ian Lance Taylor  <iant@google.com>
1453
1454         * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
1455         merely because a non-PT_LOAD segment has a dynamic reloc.
1456
1457 2011-06-18  Ian Lance Taylor  <iant@google.com>
1458
1459         * layout.cc (Layout::finish_dynamic_section): Don't create
1460         DT_FLAGS entry if not needed.
1461
1462 2011-06-18  Ian Lance Taylor  <iant@google.com>
1463
1464         PR gold/12745
1465         * layout.cc (Layout::layout_eh_frame): Correct handling of
1466         writable .eh_frame section.
1467
1468 2011-06-17  Ian Lance Taylor  <iant@google.com>
1469
1470         PR gold/12893
1471         * resolve.cc (Symbol_table::resolve): Don't give an error if a
1472         symbol is redefined with the exact same object and value.
1473
1474 2011-06-17  Ian Lance Taylor  <iant@google.com>
1475
1476         PR gold/12880
1477         * layout.h (class Layout): Add interp_segment_ field.
1478         * layout.cc (Layout::Layout): Initialize interp_segment_ field.
1479         (Layout::attach_allocated_section_to_segment): If making shared
1480         library, put .interp section in PT_INTERP segment.
1481         (Layout::finalize): Also call create_interp if -dynamic-linker
1482         option was used.
1483         (Layout::create_interp): Assert that there is no PT_INTERP
1484         segment.  If not using a SECTIONS clause, use make_output_section.
1485         (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
1486         * script-sections.cc
1487         (Script_sections::create_note_and_tls_segments): If making shared
1488         library, put .interp section in PT_INTERP segment.
1489
1490 2011-06-17  Ian Lance Taylor  <iant@google.com>
1491
1492         * object.cc (Sized_relobj_file::do_layout): Keep warning sections
1493         when making a shared library.
1494
1495 2011-06-17  Ian Lance Taylor  <iant@google.com>
1496
1497         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
1498         parameter.  Change all callers.  Don't issue warning about PC32
1499         against locally defined symbol.
1500
1501 2011-06-16  Ian Lance Taylor  <iant@google.com>
1502
1503         * symtab.cc (Warnings::issue_warning): Don't warn if relocation
1504         occurs in same object.
1505
1506 2011-06-14  Alan Modra  <amodra@gmail.com>
1507
1508         * po/POTFILES.in: Regenerate.
1509
1510 2011-06-09  Ian Lance Taylor  <iant@google.com>
1511
1512         * script-sections.cc
1513         (Orphan_output_section::set_section_addresses): For a relocatable
1514         link set address to 0.
1515
1516 2011-06-09  Cary Coutant  <ccoutant@google.com>
1517
1518         PR gold/12804
1519         * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
1520         used with --compress-debug-sections.
1521         * gold/object.cc (Sized_relobj_file::do_layout): Report
1522         uncompressed size of compressed input sections.
1523
1524 2011-06-08  Cary Coutant  <ccoutant@google.com>
1525
1526         PR gold/12804
1527         * testsuite/two_file_test_2_v1.cc: Change initialization of
1528         v2 to keep it in .data.
1529
1530 2011-06-07  Cary Coutant  <ccoutant@google.com>
1531
1532         * common.cc (Symbol_table::do_allocate_commons_list): Call
1533         gold_fallback.
1534         * errors.cc (Errors::fatal): Adjust call to gold_exit.
1535         (Errors::fallback): New function.
1536         (gold_fallback): New function.
1537         * errors.h (Errors::fallback): New function.
1538         * gold.cc (gold_exit): Change status parameter to enum; adjust
1539         all callers.
1540         (queue_initial_tasks): Call gold_fallback.
1541         * gold.h: Include cstdlib.
1542         (Exit_status): New enum type.
1543         (gold_exit): Change status parameter to enum.
1544         (gold_fallback): New function.
1545         * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1546         (Layout::create_symtab_sections): Likewise.
1547         (Layout::create_shdrs): Likewise.
1548         * main.cc (main): Adjust call to gold_exit.
1549         * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1550         (Output_data_got::add_got_entry_pair): Likewise.
1551         (Output_section::add_input_section): Likewise.
1552         (Output_section::add_output_section_data): Likewise.
1553         (Output_segment::set_section_list_addresses): Likewise.
1554         * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1555
1556 2011-06-07  Cary Coutant  <ccoutant@google.com>
1557
1558         * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1559         for incremental links.
1560         * output.cc (Output_segment::set_section_list_addresses): Remove
1561         FIXME and test for TLS or BSS.
1562
1563 2011-06-07  Cary Coutant  <ccoutant@google.com>
1564
1565         * testsuite/Makefile.am: Add incremental_copy_test,
1566         incremental_common_test_1.
1567         * testsuite/Makefile.in: Regenerate.
1568         * testsuite/common_test_1_v1.c: New source file.
1569         * testsuite/common_test_1_v2.c: New source file.
1570         * testsuite/copy_test_v1.cc: New source file.
1571
1572 2011-06-07  Cary Coutant  <ccoutant@google.com>
1573
1574         * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1575         update, allocate common from bss section's free list.
1576         * incremental-dump.cc (dump_incremental_inputs): Print flag for
1577         linker-defined symbols.
1578         * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1579         Skip GOT and PLT entries that are no longer referenced.
1580         (Output_section_incremental_inputs::write_info_blocks): Mark
1581         linker-defined symbols.
1582         (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1583         * output.cc (Output_section::allocate): New function.
1584         * output.h (Output_section::allocate): New function.
1585         * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1586         linker-defined symbols.
1587         (Symbol::override_base_with_special): Copy is_predefined_ flag.
1588         * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1589         (Symbol::init_base_output_data): Likewise.
1590         (Symbol::init_base_output_segment): Likewise.
1591         (Symbol::init_base_constant): Likewise.
1592         (Sized_symbol::init_output_data): Likewise.
1593         (Sized_symbol::init_output_segment): Likewise.
1594         (Sized_symbol::init_constant): Likewise.
1595         (Symbol_table::do_define_in_output_data): Likewise.
1596         (Symbol_table::do_define_in_output_segment): Likewise.
1597         (Symbol_table::do_define_as_constant): Likewise.
1598         * symtab.h (Symbol::is_predefined): New function.
1599         (Symbol::init_base_output_data): Add is_predefined parameter.
1600         (Symbol::init_base_output_segment): Likewise.
1601         (Symbol::init_base_constant): Likewise.
1602         (Symbol::is_predefined_): New data member.
1603         (Sized_symbol::init_output_data): Add is_predefined parameter.
1604         (Sized_symbol::init_output_segment): Likewise.
1605         (Sized_symbol::init_constant): Likewise.
1606         (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1607
1608 2011-06-07  Cary Coutant  <ccoutant@google.com>
1609
1610         * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1611         instead of emit_copy_reloc.
1612         (Copy_relocs::emit_copy_reloc): Refactor.
1613         (Copy_relocs::make_copy_reloc): New function.
1614         (Copy_relocs::add_copy_reloc): Remove.
1615         * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1616         section.
1617         (Copy_relocs::make_copy_reloc): New function.
1618         (Copy_relocs::add_copy_reloc): Remove.
1619         * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1620         unchanged input files.
1621         * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1622         * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1623         Reserve BSS space for COPY relocations.
1624         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1625         (Output_section_incremental_inputs::write_info_blocks): Record
1626         whether a symbol is copied from a shared object.
1627         (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1628         * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1629         (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1630         (Incremental_input_entry_reader::get_output_symbol_index): Add
1631         is_copy parameter.
1632         (Incremental_binary::emit_copy_relocs): New function.
1633         (Incremental_binary::do_emit_copy_relocs): New function.
1634         (Sized_incremental_binary::Sized_incremental_binary): Initialize
1635         new data member.
1636         (Sized_incremental_binary::add_copy_reloc): New function.
1637         (Sized_incremental_binary::do_emit_copy_relocs): New function.
1638         (Sized_incremental_binary::Copy_reloc): New struct.
1639         (Sized_incremental_binary::Copy_relocs): New typedef.
1640         (Sized_incremental_binary::copy_relocs_): New data member.
1641         * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1642         * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1643         * target.h (Sized_target::emit_copy_reloc): New function.
1644         * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1645
1646 2011-06-02  Cary Coutant  <ccoutant@google.com>
1647
1648         PR gold/12163
1649         * gold/archive.cc (Archive::Archive): Initialize new data member.
1650         (Archive::include_all_members): Return if archive has already been
1651         included.
1652         * gold/archive.h (Archive::include_all_members_): New data member.
1653
1654 2011-06-02  Nick Clifton  <nickc@redhat.com>
1655
1656         * dynobj.h: Fix spelling mistake in comment.
1657         * output.cc: Likewise.
1658
1659 2011-05-31  Doug Kwan  <dougkwan@google.com>
1660             Asier Llano
1661
1662         PR gold/12826
1663         * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
1664         arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1665         * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up.  Remove
1666         redundant arm_exidx_test.so.
1667         * testsuite/Makefile.in: Regenerate.
1668         (check_SCRIPTS): Add pr12826.sh
1669         (check_DATA): Add pr12826.stdout
1670         (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1671         * testsuite/pr12826.sh: New file.
1672         * testsuite/pr12826_1.s: Ditto.
1673         * testsuite/pr12826_1.s: Ditto.
1674
1675 2011-05-30  Ian Lance Taylor  <iant@google.com>
1676
1677         * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1678         sections.
1679
1680 2011-05-29  Ian Lance Taylor  <iant@google.com>
1681
1682         PR gold/12804
1683         * testsuite/Makefile.am: Use different file name for two_file_test
1684         temporary file for each incremental test.
1685         * testsuite/Makefile.in: Rebuild.
1686
1687 2011-05-29  Ian Lance Taylor  <iant@google.com>
1688
1689         * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1690         binary input file is empty.
1691
1692 2011-05-27  Ian Lance Taylor  <iant@google.com>
1693
1694         * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1695         (ver_test_9.so): Likewise.
1696         * testsuite/Makefile.in: Rebuild.
1697
1698 2011-05-26 Cary Coutant  <ccoutant@google.com>
1699
1700         * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1701         * incremental.cc (Incremental_inputs::report_input_section): Fix
1702         comment, indentation.
1703         (Incremental_inputs::report_comdat_group): New function.
1704         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1705         of data for incremental input file entry.
1706         (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1707         group count, COMDAT group signatures.
1708         (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1709         an unchanged input file.
1710         * incremental.h (Incremental_object_entry::Incremental_object_entry):
1711         Initialize new data member.
1712         (Incremental_object_entry::add_comdat_group): New function.
1713         (Incremental_object_entry::get_comdat_group_count): New function.
1714         (Incremental_object_entry::get_comdat_signature_key): New function.
1715         (Incremental_object_entry::groups_): New data member.
1716         (Incremental_inputs::report_comdat_group): New function.
1717         (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1718         data for incremental input file entry.
1719         (Incremental_input_entry_reader::get_comdat_group_count): New function.
1720         (Incremental_input_entry_reader::get_input_section): Adjust size of
1721         data for incremental input file entry.
1722         (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1723         (Incremental_input_entry_reader::get_comdat_group_signature): New
1724         function.
1725         * object.cc (Sized_relobj::include_section_group): Report kept
1726         COMDAT groups for incremental links.
1727
1728 2011-05-24  David Meyer  <pdox@google.com>
1729
1730         * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1731         with name parameter.  Add found_name parameter.
1732         * fileread.cc (Input_file::find_file): Adjust code accordingly.
1733         * dirsearch.h (class Dirsearch): Update declaration.
1734
1735 2011-05-24  Ian Lance Taylor  <iant@google.com>
1736
1737         * archive.cc (Library_base::should_include_member): Pull in object
1738         from archive if it defines the entry symbol.
1739         * parameters.cc (Parameters::entry): New function.
1740         * parameters.h (class Parameters): Declare entry.
1741         * output.h (class Output_file_header): Remove entry_ field.
1742         * output.cc (Output_file_header::Output_file_header): Remove entry
1743         parameter.  Change all callers.
1744         (Output_file_header::entry): Use parameters->entry.
1745         * gold.cc (queue_middle_tasks): Likewise.
1746         * plugin.cc (Plugin_hook::run): Likewise.
1747
1748 2011-05-24 Cary Coutant  <ccoutant@google.com>
1749
1750         * gold.cc (queue_initial_tasks): Pass incremental base filename
1751         to Output_file::open_base_file; don't print error message.
1752         * incremental-dump.cc (main): Adjust call to
1753         Output_file::open_for_modification.
1754         * incremental-dump.cc (main): Likewise.
1755         * incremental.cc (Incremental_inputs::report_command_line):
1756         Ignore --incremental-base option when comparing command lines.
1757         Ignore parameter when given as separate argument.
1758         * options.h (class General_options): Add --incremental-base.
1759         * output.cc (Output_file::Output_file):
1760         (Output_file::open_base_file): Add base_name and writable parameters;
1761         read base file into new file; print error message here.
1762         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1763         callers.
1764         * output.h (Output_file::open_for_modification): Rename to...
1765         (Output_file::open_base_file): ...this; add base_name and
1766         writable parameters; adjust all callers.
1767         (Output_file::map_no_anonymous): Add writable parameter; adjust all
1768         callers.
1769         * testsuite/Makefile.am (incremental_test_4): Test
1770         --incremental-base.
1771         * testsuite/Makefile.in: Regenerate.
1772
1773 2011-05-24 Cary Coutant  <ccoutant@google.com>
1774
1775         * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1776         incremental_test_4.
1777         * testsuite/Makefile.in: Regenerate.
1778         * testsuite/two_file_test_1_v1.cc: New test source file.
1779         * testsuite/two_file_test_1b_v1.cc: New test source file.
1780         * testsuite/two_file_test_2_v1.cc: New test source file.
1781
1782 2011-05-24 Cary Coutant  <ccoutant@google.com>
1783
1784         * dynobj.h (Dynobj::do_dynobj): New function.
1785         * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1786         flag and soname for shared objects.
1787         * incremental.cc (Incremental_inputs::report_object): Make
1788         either Incremental_object_entry or Incremental_dynobj_entry; add
1789         soname to string table.
1790         (Incremental_inputs::report_input_section): Add assertion.
1791         (Output_section_incremental_inputs::set_final_data_size): Adjust
1792         type of input file entry for shared libraries; adjust size of
1793         shared library info entry.
1794         (Output_section_incremental_inputs::write_input_files): Write
1795         as_needed flag for shared libraries.
1796         (Output_section_incremental_inputs::write_info_blocks): Adjust type
1797         of input file entry for shared libraries; write soname.
1798         (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1799         soname from incremental info.
1800         * incremental.h (enum Incremental_input_flags): Add
1801         INCREMENTAL_INPUT_AS_NEEDED.
1802         (Incremental_input_entry::Incremental_input_entry): Initialize new
1803         data member.
1804         (Incremental_input_entry::set_as_needed): New function.
1805         (Incremental_input_entry::as_needed): New function.
1806         (Incremental_input_entry::do_dynobj_entry): New function.
1807         (Incremental_input_entry::as_needed_): New data member.
1808         (Incremental_object_entry::Incremental_object_entry): Don't check
1809         for shared library.
1810         (Incremental_object_entry::do_type): Likewise.
1811         (class Incremental_dynobj_entry): New class.
1812         (Incremental_input_entry_reader::as_needed): New function.
1813         (Incremental_input_entry_reader::get_soname): New function.
1814         (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1815         (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1816         size of shared library info entry.
1817         * layout.cc (Layout::finish_dynamic_section): Don't test for 
1818         incremental link when adding DT_NEEDED entries.
1819         * object.h (Object::Object): Initialize new data member.
1820         (Object::dynobj): New function.
1821         (Object::set_as_needed): New function.
1822         (Object::as_needed): New function.
1823         (Object::do_dynobj): New function.
1824         (Object::as_needed_): New data member.
1825
1826 2011-05-24 Cary Coutant  <ccoutant@google.com>
1827
1828         * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1829         info; adjust display of GOT entries.
1830         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1831         vector of input objects; remove file_status_.
1832         (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1833         (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1834         got_plt reader; call target hooks to reserve GOT entries.
1835         (Output_section_incremental_inputs::set_final_data_size): Adjust size
1836         of input file info header and GOT info entry.
1837         (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1838         relocation info.
1839         (Got_plt_view_info::got_descriptor): Remove.
1840         (Got_plt_view_info::sym_index): New data member.
1841         (Got_plt_view_info::input_index): New data member.
1842         (Local_got_offset_visitor::visit): Write input file index.
1843         (Global_got_offset_visitor::visit): Write 0 for input file index.
1844         (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1845         with sym_index and input_index.
1846         (Output_section_incremental_inputs::write_got_plt): Adjust size of
1847         incremental info GOT entry; replace got_descriptor with input_index.
1848         (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1849         map from input file index to object.
1850         (Sized_relobj_incr::do_layout): Replace direct data member reference
1851         with accessor function.
1852         (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1853         * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1854         Adjust size of input file info header.
1855         (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1856         (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1857         (Incremental_input_entry_reader::get_input_section): Adjust size of
1858         input file info header.
1859         (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1860         of incremental info GOT entry.
1861         (Incremental_got_plt_reader::get_got_desc): Remove.
1862         (Incremental_got_plt_reader::get_got_symndx): New function.
1863         (Incremental_got_plt_reader::get_got_input_index): New function.
1864         (Sized_incremental_binary::Sized_incremental_binary): Remove
1865         file_status_; add input_objects_.
1866         (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1867         (Sized_incremental_binary::set_file_is_unchanged): Remove.
1868         (Sized_incremental_binary::file_is_unchanged): Remove.
1869         (Sized_incremental_binary::set_input_object): New function.
1870         (Sized_incremental_binary::input_object): New function.
1871         (Sized_incremental_binary::file_status_): Remove.
1872         (Sized_incremental_binary::input_objects_): New data member.
1873         (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1874         references.
1875         (Sized_relobj_incr::invalid_address): Move to base class.
1876         (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1877         class.
1878         (Sized_relobj_incr::do_output_section_offset): Likewise.
1879         (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1880         (Sized_relobj_incr::section_offsets_): Likewise.
1881         * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1882         function.
1883         (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1884         (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1885         with accessor function.
1886         (Sized_relobj_file::do_layout): Likewise.
1887         (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1888         (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1889         (Sized_relobj_file::compute_final_local_value): Replace refs to
1890         section_offsets_ with accessor function.
1891         (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1892         * object.h (Relobj::Relobj): Initialize new data members.
1893         (Relobj::add_dyn_reloc): New function.
1894         (Relobj::first_dyn_reloc): New function.
1895         (Relobj::dyn_reloc_count): New function.
1896         (Relobj::first_dyn_reloc_): New data member.
1897         (Relobj::dyn_reloc_count_): New data member.
1898         (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1899         references.
1900         (Sized_relobj::Address): New typedef.
1901         (Sized_relobj::invalid_address): Move here from child class.
1902         (Sized_relobj::Sized_relobj): Initialize new data members.
1903         (Sized_relobj::sized_relobj): New function.
1904         (Sized_relobj::is_output_section_offset_invalid): Move here from
1905         child class.
1906         (Sized_relobj::get_output_section_offset): Likewise.
1907         (Sized_relobj::local_has_got_offset): Likewise.
1908         (Sized_relobj::local_got_offset): Likewise.
1909         (Sized_relobj::set_local_got_offset): Likewise.
1910         (Sized_relobj::do_for_all_local_got_entries): Likewise.
1911         (Sized_relobj::clear_got_offsets): New function.
1912         (Sized_relobj::section_offsets): Move here from child class.
1913         (Sized_relobj::do_output_section_offset): Likewise.
1914         (Sized_relobj::do_set_section_offset): Likewise.
1915         (Sized_relobj::Local_got_offsets): Likewise.
1916         (Sized_relobj::local_got_offsets_): Likewise.
1917         (Sized_relobj::section_offsets_): Likewise.
1918         (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1919         references.
1920         (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1921         class.
1922         (Sized_relobj_file::sized_relobj): New function
1923         (Sized_relobj_file::local_has_got_offset): Move to base class.
1924         (Sized_relobj_file::local_got_offset): Likewise.
1925         (Sized_relobj_file::set_local_got_offset): Likewise.
1926         (Sized_relobj_file::get_output_section_offset): Likewise.
1927         (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1928         (Sized_relobj_file::do_output_section_offset): Likewise.
1929         (Sized_relobj_file::do_set_section_offset): Likewise.
1930         (Sized_relobj_file::Local_got_offsets): Likewise.
1931         (Sized_relobj_file::local_got_offsets_): Likewise.
1932         (Sized_relobj_file::section_offsets_): Likewise.
1933         * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1934         (all constructors).
1935         (set_needs_dynsym_index): Convert relobj to derived class pointer.
1936         (Output_reloc::get_symbol_index): Likewise.
1937         (Output_reloc::local_section_offset): Likewise.
1938         (Output_reloc::get_address): Likewise.
1939         (Output_reloc::symbol_value): Likewise.
1940         (Output_data_got::reserve_slot): Move to class definition.
1941         (Output_data_got::reserve_local): New function.
1942         (Output_data_got::reserve_slot_for_global): Remove.
1943         (Output_data_got::reserve_global): New function.
1944         * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1945         (all constructors, two instantiations).
1946         (Output_reloc::get_relobj): New function (two instantiations).
1947         (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1948         (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1949         (Output_data_reloc::add_global): Adjust type of relobj.
1950         (Output_data_reloc::add_global_relative): Likewise.
1951         (Output_data_reloc::add_symbolless_global_addend): Likewise.
1952         (Output_data_reloc::add_local): Likewise.
1953         (Output_data_reloc::add_local_relative): Likewise.
1954         (Output_data_reloc::add_symbolless_local_addend): Likewise.
1955         (Output_data_reloc::add_local_section): Likewise.
1956         (Output_data_reloc::add_output_section): Likewise.
1957         (Output_data_reloc::add_absolute): Likewise.
1958         (Output_data_reloc::add_target_specific): Likewise.
1959         (Output_data_got::reserve_slot): Move definition here.
1960         (Output_data_got::reserve_local): New function.
1961         (Output_data_got::reserve_global): New function.
1962         * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1963         section_offsets_ with accessor function.
1964         (Sized_relobj_file::write_sections): Likewise.
1965         (Sized_relobj_file::do_relocate_sections): Likewise.
1966         * target.h (Sized_target::reserve_local_got_entry): New function.
1967         (Sized_target::reserve_global_got_entry): New function.
1968         * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1969         (Target_x86_64::reserve_global_got_entry): New function.
1970         (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1971
1972 2011-05-23 Cary Coutant  <ccoutant@google.com>
1973
1974         * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1975         * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1976         bit when checking got_type.
1977         * incremental.cc (Sized_incremental_binary::setup_readers):
1978         Store symbol table and string table locations; initialize bit vector
1979         of file status flags.
1980         (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1981         unchanged files.
1982         (Sized_incremental_binary::do_process_got_plt): New function.
1983         (Sized_incremental_binary::get_symtab_view): Use stored locations.
1984         (Output_section_incremental_inputs::set_final_data_size): Record
1985         file index for each input file.
1986         (Output_section_incremental_inputs::write_got_plt): Store file index
1987         instead of input entry offset for each GOT entry.
1988         * incremental.h
1989         (Incremental_input_entry::Incremental_input_entry): Initialize new
1990         data member.
1991         (Incremental_input_entry::set_offset): Store file index.
1992         (Incremental_input_entry::get_file_index): New function.
1993         (Incremental_input_entry::file_index_): New data member.
1994         (Incremental_binary::process_got_plt): New function.
1995         (Incremental_binary::do_process_got_plt): New function.
1996         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1997         data members.
1998         (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1999         (Sized_incremental_binary::set_file_is_unchanged): New function.
2000         (Sized_incremental_binary::file_is_unchanged): New function.
2001         (Sized_incremental_binary::do_process_got_plt): New function.
2002         (Sized_incremental_binary::file_status_): New data member.
2003         (Sized_incremental_binary::main_symtab_loc_): New data member.
2004         (Sized_incremental_binary::main_strtab_loc_): New data member.
2005         * output.cc (Output_data_got::Got_entry::write): Add case
2006         RESERVED_CODE.
2007         (Output_data_got::add_global): Call add_got_entry.
2008         (Output_data_got::add_global_plt): Likewise.
2009         (Output_data_got::add_global_with_rel): Likewise.
2010         (Output_data_got::add_global_with_rela): Likewise.
2011         (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
2012         (Output_data_got::add_global_pair_with_rela): Likewise.
2013         (Output_data_got::add_local): Call add_got_entry.
2014         (Output_data_got::add_local_plt): Likewise.
2015         (Output_data_got::add_local_with_rel): Likewise.
2016         (Output_data_got::add_local_with_rela): Likewise.
2017         (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
2018         (Output_data_got::add_local_pair_with_rela): Likewise.
2019         (Output_data_got::reserve_slot): New function.
2020         (Output_data_got::reserve_slot_for_global): New function.
2021         (Output_data_got::add_got_entry): New function.
2022         (Output_data_got::add_got_entry_pair): New function.
2023         (Output_section::add_output_section_data): Edit FIXME.
2024         * output.h
2025         (Output_section_data_build::Output_section_data_build): New
2026         constructor with size parameter.
2027         (Output_data_space::Output_data_space): Likewise.
2028         (Output_data_got::Output_data_got): Initialize new data member; new
2029         constructor with size parameter.
2030         (Output_data_got::add_constant): Call add_got_entry.
2031         (Output_data_got::reserve_slot): New function.
2032         (Output_data_got::reserve_slot_for_global): New function.
2033         (class Output_data_got::Got_entry): Add RESERVED_CODE.
2034         (Output_data_got::add_got_entry): New function.
2035         (Output_data_got::add_got_entry_pair): New function.
2036         (Output_data_got::free_list_): New data member.
2037         * target.h (Sized_target::init_got_plt_for_update): New function.
2038         (Sized_target::register_global_plt_entry): New function.
2039         * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
2040         Initialize new data member; call init; add constructor with PLT count.
2041         (Output_data_plt_x86_64::init): New function.
2042         (Output_data_plt_x86_64::add_relocation): New function.
2043         (Output_data_plt_x86_64::reserve_slot): New function.
2044         (Output_data_plt_x86_64::free_list_): New data member.
2045         (Target_x86_64::init_got_plt_for_update): New function.
2046         (Target_x86_64::register_global_plt_entry): New function.
2047         (Output_data_plt_x86_64::add_entry): Allocate from free list for
2048         incremental updates.
2049         (Output_data_plt_x86_64::add_relocation): New function.
2050         * testsuite/object_unittest.cc (Object_test): Set default options.
2051
2052 2011-05-16  Ian Lance Taylor  <iant@google.com>
2053
2054         * options.h (class General_options): Make -i a synonym for -r.
2055
2056 2011-05-16  Ian Lance Taylor  <iant@google.com>
2057
2058         * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
2059
2060 2011-05-10 Cary Coutant  <ccoutant@google.com>
2061
2062         * object.cc (Sized_relobj::do_count_local_symbols): Check for
2063         strip_all (-s).
2064
2065 2011-05-06  Ian Lance Taylor  <iant@google.com>
2066
2067         * layout.cc (Layout::layout): If the output section flags change,
2068         update the ordering.
2069
2070 2011-04-25 Cary Coutant  <ccoutant@google.com>
2071
2072         * incremental-dump.cc (dump_incremental_inputs): Print local
2073         symbol info for each input file.
2074         * incremental.cc
2075         (Output_section_incremental_inputs::set_final_data_size): Add local
2076         symbol info to input file entries in incremental info.
2077         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2078         (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
2079         (Sized_incr_relobj::do_add_symbols): Cosmetic change.
2080         (Sized_incr_relobj::do_count_local_symbols): Replace stub with
2081         implementation.
2082         (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
2083         (Sized_incr_relobj::do_relocate): Write the local symbols.
2084         (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
2085         * incremental.h (Incremental_inputs_reader::get_symbol_offset):
2086         Adjust size of input file header.
2087         (Incremental_inputs_reader::get_local_symbol_offset): New function.
2088         (Incremental_inputs_reader::get_local_symbol_count): New function.
2089         (Incremental_inputs_reader::get_input_section): Adjust size of input
2090         file header.
2091         (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
2092         (Sized_incr_relobj::This): New typedef.
2093         (Sized_incr_relobj::sym_size): New const data member.
2094         (Sized_incr_relobj::Local_symbol): New struct.
2095         (Sized_incr_relobj::do_output_local_symbol_count): New function.
2096         (Sized_incr_relobj::do_local_symbol_offset): New function.
2097         (Sized_incr_relobj::local_symbol_count_): New data member.
2098         (Sized_incr_relobj::output_local_dynsym_count_): New data member.
2099         (Sized_incr_relobj::local_symbol_index_): New data member.
2100         (Sized_incr_relobj::local_symbol_offset_): New data member.
2101         (Sized_incr_relobj::local_dynsym_offset_): New data member.
2102         (Sized_incr_relobj::local_symbols_): New data member.
2103         * object.h (Relobj::output_local_symbol_count): New function.
2104         (Relobj::local_symbol_offset): New function.
2105         (Relobj::do_output_local_symbol_count): New function.
2106         (Relobj::do_local_symbol_offset): New function.
2107         (Sized_relobj::do_output_local_symbol_count): New function.
2108         (Sized_relobj::do_local_symbol_offset): New function.
2109
2110 2011-04-22  Vladimir Simonov  <sv@sw.ru>
2111
2112         * descriptors.cc (set_close_on_exec): New function.
2113         (Descriptors::open): Use set_close_on_exec.
2114         * output.cc (S_ISLNK): Define if not defined.
2115
2116 2011-04-22 Cary Coutant  <ccoutant@google.com>
2117
2118         * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
2119         global symbol map.
2120         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2121         (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
2122         (Sized_incr_relobj::do_relocate): Remap section indices in incremental
2123         relocations.
2124         (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
2125         (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
2126         (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
2127         * incremental.h
2128         (Incremental_inputs_reader::global_symbol_reader_at_offset): New
2129         function.
2130         (Incremental_binary::apply_incremental_relocs): New function.
2131         (Incremental_binary::do_apply_incremental_relocs): New function.
2132         (Sized_incremental_binary::Sized_incremental_binary): Initialize new
2133         data member.
2134         (Sized_incremental_binary::add_global_symbol): New function.
2135         (Sized_incremental_binary::global_symbol): New function.
2136         (Sized_incremental_binary::do_apply_incremental_relocs): New function.
2137         (Sized_incremental_binary::symbol_map_): New data member.
2138         * layout.cc (Layout_task_runner::run): Apply incremental relocations.
2139         * target.h (Sized_target::apply_relocation): New function.
2140         * target-reloc.h (apply_relocation): New function.
2141         * x86_64.cc (Target_x86_64::apply_relocation): New function.
2142
2143 2011-04-22  Doug Kwan  <dougkwan@google.com>
2144
2145         * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
2146         flag of a SHT_ARM_EXIDX section.
2147         * testsuite/Makefile.am (arm_exidx_test): New test rules.
2148         * testsuite/Makefile.in: Regenerate.
2149         * testsuite/arm_exidx_test.s: New file.
2150         * testsuite/arm_exidx_test.sh: Same.
2151
2152 2011-04-20 Cary Coutant  <ccoutant@google.com>
2153
2154         PR gold/12689
2155         * archive.h (Incremental_archive_entry::Archive_member):
2156         Initialize arg_serial_ (second constructor).
2157
2158 2011-04-17  Ian Lance Taylor  <iant@google.com>
2159
2160         * object.cc (Relocate_info::location): Simplify location string.
2161         * errors.cc (Errors::error_at_location): Don't print program
2162         name.
2163         (Errors::warning_at_location): Likewise.
2164         (Errors::undefined_symbol): Likewise.
2165         * testsuite/debug_msg.sh: Update accordingly.
2166
2167 2011-04-14 Cary Coutant  <ccoutant@google.com>
2168
2169         * gold/layout.cc (Layout::symtab_section_offset): New function.
2170         * gold/layout.h (Layout::symtab_section_offset): New function.
2171         * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
2172
2173 2011-04-12  Ian Lance Taylor  <iant@google.com>
2174
2175         * configure.ac: Check for sys/mman.h and mmap.  Check for mremap
2176         with MREMAP_MAYMOVE.
2177         * output.h (class Output_file): Add map_is_allocated_ field.
2178         * output.cc: Only #include <sys/mman.h> if it exists.  If mmap is
2179         not available, provide stubs.  If mremap is not available, #define
2180         it to gold_mremap.
2181         (MREMAP_MAYMOVE): Define if not defined.
2182         (Output_file::Output_file): Initialize map_is_allocated_.
2183         (Output_file::resize): Check map_is_allocated_.
2184         (Output_file::map_anonymous): If mmap fails, use malloc.
2185         (Output_file::unmap): Don't do anything for an anonymous map.
2186         * fileread.cc: Only #include <sys/mman.h> if it exists.  If mmap
2187         is not available, provide stubs.
2188         (File_read::View::~View): Use free rather than delete[].
2189         (File_read::make_view): Use malloc rather than new[].  If mmap
2190         fails, use malloc.
2191         (File_read::find_or_make_view): Use malloc rather than new[].
2192         * gold.h: Remove HAVE_REMAP code.
2193         * mremap.c: #include <errno.h>.  Only #include <sys/mman.h> if it
2194         exists.  Rename mremap to gold_mremap.  If mmap is not available
2195         don't do anything.
2196         * configure, config.in: Rebuild.
2197
2198 2011-04-11  Ian Lance Taylor  <iant@google.com>
2199
2200         * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
2201         initialize local variable v.
2202
2203 2011-04-11  Cary Coutant  <ccoutant@google.com>
2204
2205         * archive.cc (Archive::include_member): Adjust call to
2206         report_object.
2207         (Add_archive_symbols::run): Track argument serial numbers.
2208         (Lib_group::include_member): Likewise.
2209         (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
2210         * archive.h (Incremental_archive_entry::Archive_member):
2211         Initialize arg_serial_.
2212         (Archive_member::arg_serial_): New data member.
2213         * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
2214         (Sized_dynobj::do_add_symbols): Track symbols when doing an
2215         incremental link.
2216         (Sized_dynobj::do_for_all_local_got_entries): New function.
2217         * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
2218         function.
2219         * fileread.cc (get_mtime): New function.
2220         * fileread.h (get_mtime): New function.
2221         * gold.cc (queue_initial_tasks): Check for incremental update.
2222         (process_incremental_input): New function.
2223         (queue_middle_tasks): Don't force valid target for incremental
2224         update.
2225         * incremental-dump.cc (find_input_containing_global): Adjust
2226         size of symbol info entry.
2227         (dump_incremental_inputs): Dump argument serial number and
2228         in_system_directory flag; bias shndx by 1; print symbol names
2229         when dumping per-file symbol lists; use new symbol info readers.
2230         * incremental.cc
2231         (Output_section_incremental_inputs:update_data_size): New function.
2232         (Sized_incremental_binary::setup_readers): Setup input readers
2233         for each input file; build maps for files added from libraries
2234         and scripts.
2235         (Sized_incremental_binary::check_input_args): New function.
2236         (Sized_incremental_binary::do_check_inputs): Build map of argument
2237         serial numbers to input arguments.
2238         (Sized_incremental_binary::do_file_has_changed): Rename
2239         do_file_is_unchanged to this; compare file modification times.
2240         (Sized_incremental_binary::do_init_layout): New function.
2241         (Sized_incremental_binary::do_reserve_layout): New function.
2242         (Sized_incremental_binary::do_get_input_reader): Remove.
2243         (Sized_incremental_binary::get_symtab_view): New function.
2244         (Incremental_checker::can_incrementally_link_output_file): Remove.
2245         (Incremental_inputs::report_command_line): Exclude --debug options.
2246         (Incremental_inputs::report_archive_begin): Add parameter; track
2247         argument serial numbers; don't put input file entry for archive
2248         before archive members.
2249         (Incremental_inputs::report_archive_end): Put input file entry
2250         for archive after archive members.
2251         (Incremental_inputs::report_object): Add parameter; track argument
2252         serial numbers and in_system_directory flag.
2253         (Incremental_inputs::report_script): Add parameter; track argument
2254         serial numbers.
2255         (Output_section_incremental_inputs::set_final_data_size): Adjust
2256         size of symbol info entry; check for forwarding symbols.
2257         (Output_section_incremental_inputs::write_input_files): Write
2258         in_system_directory flag and argument serial number.
2259         (Output_section_incremental_inputs::write_info_blocks): Map section
2260         indices between incremental info and original input file; store
2261         input section index for each symbol.
2262         (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
2263         change operator() to visit().
2264         (class Global_got_offset_visitor): Likewise.
2265         (class Global_symbol_visitor_got_plt):
2266         (Output_section_incremental_inputs::write_got_plt): Use new visitor
2267         classes.
2268         (Sized_incr_relobj::Sized_incr_relobj): New constructor.
2269         (Sized_incr_relobj::do_read_symbols): New function.
2270         (Sized_incr_relobj::do_layout): New function.
2271         (Sized_incr_relobj::do_layout_deferred_sections): New function.
2272         (Sized_incr_relobj::do_add_symbols): New function.
2273         (Sized_incr_relobj::do_should_include_member): New function.
2274         (Sized_incr_relobj::do_for_all_global_symbols): New function.
2275         (Sized_incr_relobj::do_for_all_local_got_entries): New function.
2276         (Sized_incr_relobj::do_section_size): New function.
2277         (Sized_incr_relobj::do_section_name): New function.
2278         (Sized_incr_relobj::do_section_contents): New function.
2279         (Sized_incr_relobj::do_section_flags): New function.
2280         (Sized_incr_relobj::do_section_entsize): New function.
2281         (Sized_incr_relobj::do_section_address): New function.
2282         (Sized_incr_relobj::do_section_type): New function.
2283         (Sized_incr_relobj::do_section_link): New function.
2284         (Sized_incr_relobj::do_section_info): New function.
2285         (Sized_incr_relobj::do_section_addralign): New function.
2286         (Sized_incr_relobj::do_initialize_xindex): New function.
2287         (Sized_incr_relobj::do_get_global_symbol_counts): New function.
2288         (Sized_incr_relobj::do_read_relocs): New function.
2289         (Sized_incr_relobj::do_gc_process_relocs): New function.
2290         (Sized_incr_relobj::do_scan_relocs): New function.
2291         (Sized_incr_relobj::do_count_local_symbols): New function.
2292         (Sized_incr_relobj::do_finalize_local_symbols): New function.
2293         (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
2294         (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
2295         (Sized_incr_relobj::do_relocate): New function.
2296         (Sized_incr_relobj::do_set_section_offset): New function.
2297         (Sized_incr_dynobj::Sized_incr_dynobj): New function.
2298         (Sized_incr_dynobj::do_read_symbols): New function.
2299         (Sized_incr_dynobj::do_layout): New function.
2300         (Sized_incr_dynobj::do_add_symbols): New function.
2301         (Sized_incr_dynobj::do_should_include_member): New function.
2302         (Sized_incr_dynobj::do_for_all_global_symbols): New function.
2303         (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
2304         (Sized_incr_dynobj::do_section_size): New function.
2305         (Sized_incr_dynobj::do_section_name): New function.
2306         (Sized_incr_dynobj::do_section_contents): New function.
2307         (Sized_incr_dynobj::do_section_flags): New function.
2308         (Sized_incr_dynobj::do_section_entsize): New function.
2309         (Sized_incr_dynobj::do_section_address): New function.
2310         (Sized_incr_dynobj::do_section_type): New function.
2311         (Sized_incr_dynobj::do_section_link): New function.
2312         (Sized_incr_dynobj::do_section_info): New function.
2313         (Sized_incr_dynobj::do_section_addralign): New function.
2314         (Sized_incr_dynobj::do_initialize_xindex): New function.
2315         (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
2316         (make_sized_incremental_object): New function.
2317         (Incremental_library::copy_unused_symbols): New function.
2318         (Incremental_library::do_for_all_unused_symbols): New function.
2319         * incremental.h (enum Incremental_input_flags): New type.
2320         (class Incremental_checker): Remove.
2321         (Incremental_input_entry::Incremental_input_entry): Add argument
2322         serial number.
2323         (Incremental_input_entry::arg_serial): New function.
2324         (Incremental_input_entry::set_is_in_system_directory): New function.
2325         (Incremental_input_entry::is_in_system_directory): New function.
2326         (Incremental_input_entry::arg_serial_): New data member.
2327         (Incremental_input_entry::is_in_system_directory_): New data member.
2328         (class Script_info): Move here from script.h.
2329         (Script_info::Script_info): Add filename parameter.
2330         (Script_info::filename): New function.
2331         (Script_info::filename_): New data member.
2332         (Incremental_script_entry::Incremental_script_entry): Add argument
2333         serial number.
2334         (Incremental_object_entry::Incremental_object_entry): Likewise.
2335         (Incremental_object_entry::add_input_section): Build list of input
2336         sections with map to original shndx.
2337         (Incremental_object_entry::get_input_section_index): New function.
2338         (Incremental_object_entry::shndx_): New data member.
2339         (Incremental_object_entry::name_key_): Rename; adjust all refs.
2340         (Incremental_object_entry::sh_size_): Rename; adjust all refs.
2341         (Incremental_archive_entry::Incremental_archive_entry): Add argument
2342         serial number.
2343         (Incremental_inputs::report_archive_begin): Likewise.
2344         (Incremental_inputs::report_object): Likewise.
2345         (Incremental_inputs::report_script): Likewise.
2346         (class Incremental_global_symbol_reader): New class.
2347         (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
2348         and store flags and input file type.
2349         (Incremental_input_entry_reader::arg_serial): New function.
2350         (Incremental_input_entry_reader::type): Extract type from flags.
2351         (Incremental_input_entry_reader::is_in_system_directory): New function.
2352         (Incremental_input_entry_reader::get_input_section_count): Call
2353         accessor function for type.
2354         (Incremental_input_entry_reader::get_symbol_offset): Call accessor
2355         function for type; adjust size of global symbol entry.
2356         (Incremental_input_entry_reader::get_global_symbol_count): Call
2357         accessor function for type.
2358         (Incremental_input_entry_reader::get_object_count): Likewise.
2359         (Incremental_input_entry_reader::get_object_offset): Likewise.
2360         (Incremental_input_entry_reader::get_member_count): Likewise.
2361         (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
2362         (Incremental_input_entry_reader::get_member_offset): Likewise.
2363         (Incremental_input_entry_reader::get_unused_symbol): Likewise.
2364         (Incremental_input_entry_reader::Global_symbol_info): Remove.
2365         (Incremental_input_entry_reader::get_global_symbol_info): Remove.
2366         (Incremental_input_entry_reader::get_global_symbol_reader): New
2367         function.
2368         (Incremental_input_entry_reader::get_output_symbol_index): New
2369         function.
2370         (Incremental_input_entry_reader::type_): Remove.
2371         (Incremental_input_entry_reader::flags_): New data member.
2372         (Incremental_inputs_reader::input_file_offset): New function.
2373         (Incremental_inputs_reader::input_file_index): New function.
2374         (Incremental_inputs_reader::input_file): Call input_file_offset.
2375         (Incremental_inputs_reader::input_file_at_offset): New function.
2376         (Incremental_relocs_reader::get_r_type): Reformat.
2377         (Incremental_relocs_reader::get_r_shndx): Reformat.
2378         (Incremental_relocs_reader::get_r_offset): Reformat.
2379         (Incremental_relocs_reader::data): New function.
2380         (Incremental_binary::Incremental_binary): Initialize new data members.
2381         (Incremental_binary::check_inputs): Add cmdline parameter.
2382         (Incremental_binary::file_is_unchanged): Remove.
2383         (Input_reader::arg_serial): New function.
2384         (Input_reader::get_unused_symbol_count): New function.
2385         (Input_reader::get_unused_symbol): New function.
2386         (Input_reader::do_arg_serial): New function.
2387         (Input_reader::do_get_unused_symbol_count): New function.
2388         (Input_reader::do_get_unused_symbol): New function.
2389         (Incremental_binary::input_file_count): New function.
2390         (Incremental_binary::get_input_reader): Change signature to use
2391         index instead of filename.
2392         (Incremental_binary::file_has_changed): New function.
2393         (Incremental_binary::get_input_argument): New function.
2394         (Incremental_binary::get_library): New function.
2395         (Incremental_binary::get_script_info): New function.
2396         (Incremental_binary::init_layout): New function.
2397         (Incremental_binary::reserve_layout): New function.
2398         (Incremental_binary::output_file): New function.
2399         (Incremental_binary::do_check_inputs): New function.
2400         (Incremental_binary::do_file_is_unchanged): Remove.
2401         (Incremental_binary::do_file_has_changed): New function.
2402         (Incremental_binary::do_init_layout): New function.
2403         (Incremental_binary::do_reserve_layout): New function.
2404         (Incremental_binary::do_input_file_count): New function.
2405         (Incremental_binary::do_get_input_reader): Change signature.
2406         (Incremental_binary::input_args_map_): New data member.
2407         (Incremental_binary::library_map_): New data member.
2408         (Incremental_binary::script_map_): New data member.
2409         (Sized_incremental_binary::Sized_incremental_binary): Initialize
2410         new data members.
2411         (Sized_incremental_binary::output_section): New function.
2412         (Sized_incremental_binary::inputs_reader): Add const.
2413         (Sized_incremental_binary::symtab_reader): Add const.
2414         (Sized_incremental_binary::relocs_reader): Add const.
2415         (Sized_incremental_binary::got_plt_reader): Add const.
2416         (Sized_incremental_binary::get_symtab_view): New function.
2417         (Sized_incremental_binary::Inputs_reader): New typedef.
2418         (Sized_incremental_binary::Input_entry_reader): New typedef.
2419         (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
2420         (Sized_incremental_binary::do_file_is_unchanged): Remove.
2421         (Sized_incremental_binary::do_file_has_changed): New function.
2422         (Sized_incremental_binary::do_init_layout): New function.
2423         (Sized_incremental_binary::do_reserve_layout): New function.
2424         (Sized_input_reader::Inputs_reader): Remove.
2425         (Sized_input_reader::Input_entry_reader): Remove.
2426         (Sized_input_reader::do_arg_serial): New function.
2427         (Sized_input_reader::do_get_unused_symbol_count): New function.
2428         (Sized_input_reader::do_get_unused_symbol): New function.
2429         (Sized_incremental_binary::do_input_file_count): New function.
2430         (Sized_incremental_binary::do_get_input_reader): Change signature;
2431         use index instead of filename.
2432         (Sized_incremental_binary::section_map_): New data member.
2433         (Sized_incremental_binary::input_entry_readers_): New data member.
2434         (class Sized_incr_relobj): New class.
2435         (class Sized_incr_dynobj): New class.
2436         (make_sized_incremental_object): New function.
2437         (class Incremental_library): New class.
2438         * layout.cc (Free_list::num_lists): New static data member.
2439         (Free_list::num_nodes): New static data member.
2440         (Free_list::num_removes): New static data member.
2441         (Free_list::num_remove_visits): New static data member.
2442         (Free_list::num_allocates): New static data member.
2443         (Free_list::num_allocate_visits): New static data member.
2444         (Free_list::init): New function.
2445         (Free_list::remove): New function.
2446         (Free_list::allocate): New function.
2447         (Free_list::dump): New function.
2448         (Free_list::print_stats): New function.
2449         (Layout_task_runner::run): Resize output file for incremental updates.
2450         (Layout::Layout): Initialize new data members.
2451         (Layout::set_incremental_base): New function.
2452         (Layout::init_fixed_output_section): New function.
2453         (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
2454         incremental updates.
2455         (Layout::create_gold_note): Do not create gold note section for
2456         incremental updates.
2457         (Layout::set_segment_offsets): Do not recalculate RELRO alignment
2458         for incremental updates.
2459         (Layout::set_section_offsets): For incremental updates, allocate space
2460         from free list.
2461         (Layout::create_symtab_sections): Layout with offsets relative to
2462         start of section; for incremental updates, allocate space from free
2463         list.
2464         (Layout::create_shdrs): For incremental updates, allocate space from
2465         free list.
2466         (Layout::finish_dynamic_section): For incremental updates, do not
2467         check --as-needed (fixed in subsequent patch).
2468         * layout.h (class Free_list): New class.
2469         (Layout::set_incremental_base): New function.
2470         (Layout::incremental_base): New function.
2471         (Layout::init_fixed_output_section): New function.
2472         (Layout::allocate): New function.
2473         (Layout::incremental_base_): New data member.
2474         (Layout::free_list_): New data member.
2475         * main.cc (main): Print Free_list statistics.
2476         * object.cc (Relobj::finalize_incremental_relocs): Add
2477         clear_counts parameter; clear counts only when clear_counts is set.
2478         (Sized_relobj::Sized_relobj): Initialize new base class.
2479         (Sized_relobj::do_layout): Don't report special sections.
2480         (Sized_relobj::do_for_all_local_got_entries): New function.
2481         (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
2482         symtab_off to all symbol table offsets.
2483         (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
2484         * object.h (class Got_offset_list): Move to top of file.
2485         (Object::Object): Allow case where input_file == NULL.
2486         (Object::~Object): Likewise.
2487         (Object::input_file): Assert that input_file != NULL.
2488         (Object::lock): Allow case where input_file == NULL.
2489         (Object::unlock): Likewise.
2490         (Object::is_locked): Likewise.
2491         (Object::token): Likewise.
2492         (Object::release): Likewise.
2493         (Object::is_incremental): New function.
2494         (Object::get_mtime): New function.
2495         (Object::for_all_local_got_entries): New function.
2496         (Object::clear_view_cache_marks): Allow case where input_file == NULL.
2497         (Object::set_is_in_system_directory): New function.
2498         (Object::is_in_system_directory): New function.
2499         (Object::do_is_incremental): New function.
2500         (Object::do_get_mtime): New function.
2501         (Object::do_for_all_local_got_entries): New function.
2502         (Object::is_in_system_directory_): New data member.
2503         (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
2504         (class Sized_relobj_base): New class.
2505         (class Sized_relobj): Derive from Sized_relobj_base.
2506         (class Sized_relobj::Symbols): Redeclare from base class.
2507         (class Sized_relobj::local_got_offset_list): Remove.
2508         (class Sized_relobj::Output_sections): Redeclare from base class.
2509         (class Sized_relobj::do_for_all_local_got_entries): New function.
2510         (class Sized_relobj::write_local_symbols): Add offset parameter.
2511         (class Sized_relobj::local_symbol_offset_): Update comment.
2512         (class Sized_relobj::local_dynsym_offset_): Update comment.
2513         * options.cc (Input_arguments::add_file): Remove const.
2514         * options.h (Input_file_argument::Input_file_argument):
2515         Initialize arg_serial_ (all constructors).
2516         (Input_file_argument::set_arg_serial): New function.
2517         (Input_file_argument::arg_serial): New function.
2518         (Input_file_argument::arg_serial_): New data member.
2519         (Input_arguments::Input_arguments): Initialize file_count_.
2520         (Input_arguments::add_file): Remove const.
2521         (Input_arguments::number_of_input_files): New function.
2522         (Input_arguments::file_count_): New data member.
2523         (Command_line::number_of_input_files): Call
2524         Input_arguments::number_of_input_files.
2525         * output.cc (Output_segment_headers::Output_segment_headers):
2526         Set current size.
2527         (Output_section::Input_section::current_data_size): New function.
2528         (Output_section::Output_section): Initialize new data members.
2529         (Output_section::add_input_section): Don't do merge sections for
2530         an incremental link; allocate space from free list for an
2531         incremental update.
2532         (Output_section::add_output_section_data): Allocate space from
2533         free list for an incremental update.
2534         (Output_section::update_data_size): New function.
2535         (Output_section::set_fixed_layout): New function.
2536         (Output_section::reserve): New function.
2537         (Output_segment::set_section_addresses): Remove const.
2538         (Output_segment::set_section_list_addresses): Remove const; allocate
2539         space from free list for an incremental update.
2540         (Output_segment::set_offset): Adjust size of RELRO segment for an
2541         incremental update.
2542         * output.h (Output_data::current_data_size): Move here from
2543         child classes.
2544         (Output_data::pre_finalize_data_size): New function.
2545         (Output_data::update_data_size): New function.
2546         (Output_section_headers::update_data_size): new function.
2547         (Output_section_data_build::current_data_size): Move to Output_data.
2548         (Output_data_strtab::update_data_size): New function.
2549         (Output_section::current_data_size): Move to Output_data.
2550         (Output_section::set_fixed_layout): New function.
2551         (Output_section::has_fixed_layout): New function.
2552         (Output_section::reserve): New function.
2553         (Output_section::update_data_size): New function.
2554         (Output_section::has_fixed_layout_): New data member.
2555         (Output_section::free_list_): New data member.
2556         (Output_segment::set_section_addresses): Remove const.
2557         (Output_segment::set_section_list_addresses): Remove const.
2558         * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2559         New function.
2560         * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2561         New function.
2562         * readsyms.cc (Read_symbols::do_read_symbols): Add library
2563         parameter when calling Add_symbols constructor; store argument
2564         serial number for members of a lib group.
2565         (Add_symbols::locks): Allow case where token == NULL.
2566         (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2567         (Read_member::~Read_member): New function.
2568         (Read_member::is_runnable): New function.
2569         (Read_member::locks): New function.
2570         (Read_member::run): New function.
2571         (Check_script::~Check_script): New function.
2572         (Check_script::is_runnable): New function.
2573         (Check_script::locks): New function.
2574         (Check_script::run): New function.
2575         (Check_library::~Check_library): New function.
2576         (Check_library::is_runnable): New function.
2577         (Check_library::locks): New function.
2578         (Check_library::run): New function.
2579         * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2580         (Add_symbols::library_): New data member.
2581         (class Read_member): New class.
2582         (class Check_script): New class.
2583         (class Check_library): New class.
2584         * reloc.cc (Read_relocs::is_runnable): Allow case where
2585         token == NULL.
2586         (Read_relocs::locks): Likewise.
2587         (Scan_relocs::locks): Likewise.
2588         (Relocate_task::locks): Likewise.
2589         (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2590         to clear counters.
2591         (Sized_relobj::incremental_relocs_scan): Fix comment.
2592         (Sized_relobj::do_relocate): Pass output file offset to
2593         write_local_symbols.
2594         (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2595         from class declaration.
2596         * script.cc (read_input_script): Allocate Script_info; pass
2597         argument serial number to report_script.
2598         * script.h (class Script_info): Move to incremental.h.
2599         * symtab.cc (Symbol_table::add_from_incrobj): New function.
2600         * symtab.h (Symbol_table::add_from_incrobj): New function.
2601         (Symbol_table::set_file_offset): New function.
2602
2603 2011-04-05  Cary Coutant  <ccoutant@google.com>
2604
2605         * incremental-dump.cc (dump_incremental_inputs): Change signature
2606         to take a Sized_incremental_binary; change caller.  Use readers
2607         in Sized_incremental_binary.
2608         * incremental.cc
2609         (Sized_incremental_binary::find_incremental_inputs_sections):
2610         Rename do_find_incremental_inputs_sections to this.
2611         (Sized_incremental_binary::setup_readers): New function.
2612         (Sized_incremental_binary::do_check_inputs): Check
2613         has_incremental_info_ flag; move setup code to setup_readers;
2614         use input readers.
2615         (Sized_incremental_binary::do_file_is_unchanged): New function.
2616         (Sized_incremental_binary::do_get_input_reader): New function.
2617         * incremental.h (class Incremental_binary): Move to end of file.
2618         (Incremental_binary::file_is_unchanged): New function.
2619         (Incremental_binary::do_file_is_unchanged): New function.
2620         (Incremental_binary::Input_reader): New class.
2621         (Incremental_binary::get_input_reader): New function.
2622         (class Sized_incremental_binary): Move to end of file.
2623         (Sized_incremental_binary::Sized_incremental_binary): Setup the
2624         input section reader classes.
2625         (Sized_incremental_binary::has_incremental_info): New function.
2626         (Sized_incremental_binary::inputs_reader): New function.
2627         (Sized_incremental_binary::symtab_reader): New function.
2628         (Sized_incremental_binary::relocs_reader): New function.
2629         (Sized_incremental_binary::got_plt_reader): New function.
2630         (Sized_incremental_binary::do_file_is_unchanged): New function.
2631         (Sized_incremental_binary::Sized_input_reader): New class.
2632         (Sized_incremental_binary::get_input_reader): New function.
2633         (Sized_incremental_binary::find_incremental_inputs_sections):
2634         Rename do_find_incremental_inputs_sections to this.
2635         (Sized_incremental_binary::setup_readers): New function.
2636         (Sized_incremental_binary::has_incremental_info_): New data member.
2637         (Sized_incremental_binary::inputs_reader_): New data member.
2638         (Sized_incremental_binary::symtab_reader_): New data member.
2639         (Sized_incremental_binary::relocs_reader_): New data member.
2640         (Sized_incremental_binary::got_plt_reader_): New data member.
2641         (Sized_incremental_binary::current_input_file_): New data member.
2642
2643 2011-04-05  Paul Pluzhnikov  <ppluzhnikov@google.com>
2644
2645         PR gold/12640
2646         * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2647         violation.
2648
2649 2011-03-30  Cary Coutant  <ccoutant@google.com>
2650
2651         * archive.cc (Archive::include_member): Adjust call to report_object.
2652         (Add_archive_symbols::run): Add script_info to call to
2653         report_archive_begin.
2654         (Lib_group::include_member): Adjust call to report_object.
2655         (Add_lib_group_symbols::run): Adjust call to report_object.
2656         * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2657         blocks.  Add object count for script input files.
2658         * incremental.cc (Incremental_inputs::report_archive_begin): Add
2659         script_info parameter; change all callers.
2660         (Incremental_inputs::report_object): Add script_info parameter;
2661         change all callers.
2662         (Incremental_inputs::report_script): Store backpointer to
2663         incremental info entry.
2664         (Output_section_incremental_inputs::set_final_data_size): Record
2665         additional information for scripts.
2666         (Output_section_incremental_inputs::write_info_blocks): Likewise.
2667         * incremental.h (Incremental_script_entry::add_object): New function.
2668         (Incremental_script_entry::get_object_count): New function.
2669         (Incremental_script_entry::get_object): New function.
2670         (Incremental_script_entry::objects_): New data member; adjust
2671         constructor.
2672         (Incremental_inputs::report_archive_begin): Add script_info parameter.
2673         (Incremental_inputs::report_object): Add script_info parameter.
2674         (Incremental_inputs_reader::get_object_count): New function.
2675         (Incremental_inputs_reader::get_object_offset): New function.
2676         * options.cc (Input_arguments::add_file): Return reference to
2677         new input argument.
2678         * options.h (Input_argument::set_script_info): New function.
2679         (Input_argument::script_info): New function.
2680         (Input_argument::script_info_): New data member; adjust all
2681         constructors.
2682         (Input_file_group::add_file): Return reference to new input argument.
2683         (Input_file_lib::add_file): Likewise.
2684         (Input_arguments::add_file): Likewise.
2685         * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2686         * script.cc (Parser_closure::Parser_closure): Add script_info
2687         parameter; adjust all callers.
2688         (Parser_closure::script_info): New function.
2689         (Parser_closure::script_info_): New data member.
2690         (read_input_script): Report scripts earlier to incremental info.
2691         (script_add_file): Set script_info in Input_argument.
2692         (script_add_library): Likewise.
2693         * script.h (Script_options::Script_info): Rewrite class.
2694
2695 2011-03-29  Cary Coutant  <ccoutant@google.com>
2696
2697         * archive.cc (Library_base::should_include_member): Move
2698         method here from class Archive.
2699         (Archive::Archive): Initialize base class.
2700         (Archive::should_include_member): Move to base class.
2701         (Archive::do_for_all_unused_symbols): New function.
2702         (Add_archive_symbols::run): Remove redundant access to
2703         incremental_inputs.
2704         (Lib_group::Lib_group): Initialize base class.
2705         (Lib_group::do_filename): New function.
2706         (Lib_group::include_member): Pass pointer to Lib_group to
2707         report_object.
2708         (Lib_group::do_for_all_unused_symbols): New function.
2709         (Add_lib_group_symbols::run): Report archive information for
2710         incremental links.
2711         * archive.h (class Library_base): New base class.
2712         (class Archive): Derive from Library_base.
2713         (Archive::filename): Move to base class.
2714         (Archive::set_incremental_info): Likewise.
2715         (Archive::incremental_info): Likewise.
2716         (Archive::Should_include): Likewise.
2717         (Archive::should_include_member): Likewise.
2718         (Archive::Armap_entry): Remove.
2719         (Archive::Unused_symbol_iterator): Remove.
2720         (Archive::unused_symbols_begin): Remove.
2721         (Archive::unused_symbols_end): Remove.
2722         (Archive::do_filename): New function.
2723         (Archive::do_get_mtime): New function.
2724         (Archive::do_for_all_unused_symbols): New function.
2725         (Archive::task_): Move to base class.
2726         (Archive::incremental_info_): Likewise.
2727         (class Lib_group): Derive from Library_base.
2728         (Lib_group::do_filename): New function.
2729         (Lib_group::do_get_mtime): New function.
2730         (Lib_group::do_for_all_unused_symbols): New function.
2731         (Lib_group::task_): Move to base class.
2732         * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2733         function.
2734         * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2735         function.
2736         * incremental.cc (Incremental_inputs::report_archive_begin):
2737         Use Library_base; call library's get_mtime; add incremental inputs
2738         entry before members.
2739         (class Unused_symbol_visitor): New class.
2740         (Incremental_inputs::report_archive_end): Use Library_base; use
2741         visitor class to record unused symbols; don't add incremental inputs
2742         entry after members.
2743         (Incremental_inputs::report_object): Use Library_base.
2744         * incremental.h
2745         (Incremental_archive_entry::Incremental_archive_entry): Remove
2746         unused Archive parameter.
2747         (Incremental_inputs::report_archive_begin): Use Library_base.
2748         (Incremental_inputs::report_archive_end): Likewise.
2749         (Incremental_inputs::report_object): Likewise.
2750         * object.cc (Sized_relobj::do_for_all_global_symbols): New
2751         function.
2752         * object.h (Object::for_all_global_symbols): New function.
2753         (Object::do_for_all_global_symbols): New function.
2754         (Sized_relobj::do_for_all_global_symbols): New function.
2755         * plugin.cc (Sized_pluginobj::do_for_all_global_symbols):  New
2756         function.
2757         * plugin.h (Sized_pluginobj::do_for_all_global_symbols):  New
2758         function.
2759
2760 2011-03-27  Ian Lance Taylor  <iant@google.com>
2761
2762         * archive.cc (Archive::interpret_header): Return -1 if something
2763         goes wrong.  Change callers accordingly.
2764
2765 2011-03-25  Cary Coutant  <ccoutant@google.com>
2766
2767         * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2768         * testsuite/Makefile.in: Regenerate.
2769
2770 2011-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>
2771
2772         * plugin.cc (get_view): New.
2773         (Plugin::load): Pass get_view to the plugin.
2774         (Plugin_manager::get_view): New.
2775
2776 2011-03-21  Ian Lance Taylor  <iant@google.com>
2777
2778         * testsuite/final_layout.sh: Rewrite to not use dc.
2779         * testsuite/relro_test.sh: Fail if dc is not present.
2780
2781 2011-03-21  Sriraman Tallam  <tmsriram@google.com>
2782
2783         * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2784         Change == to -eq.
2785         * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2786         * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2787         Change == to -eq.
2788         * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2789         * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2790
2791 2011-03-14  Ian Lance Taylor  <iant@google.com>
2792
2793         * script-sections.cc (Sort_output_sections::script_compare):
2794         Rename from is_before, change return type.
2795         (Sort_output_sections::operator()): Adjust accordingly.
2796
2797 2011-03-11  Jeffrey Yasskin  <jyasskin@google.com>
2798
2799         PR gold/12572
2800         * testsuite/odr_violation2.cc: Add comment to make all error line
2801         numbers double digits.
2802         * testsuite/debug_msg.sh: Adjust expected errors.
2803
2804 2011-03-09  Jeffrey Yasskin  <jyasskin@google.com>
2805
2806         * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2807         but mark earlier ones as non-canonical
2808         (offset_to_iterator): Update search target and example
2809         (do_addr2line): Return extra lines in a vector*
2810         (format_file_lineno): Extract from do_addr2line
2811         (one_addr2line): Add vector* out-param
2812         * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2813         when a lineno entry appeared last for its instruction
2814         (Dwarf_line_info): Add vector* out-param
2815         * object.cc (Relocate_info): Pass NULL for the vector* out-param
2816         * symtab.cc (Odr_violation_compare): Include the lineno in the
2817         comparison again.
2818         (linenos_from_loc): New. Combine the canonical line for an
2819         address with its other lines.
2820         (True_if_intersect): New. Helper functor to make
2821         std::set_intersection a query.
2822         (detect_odr_violations): Compare sets of lines instead of just
2823         one line for each function. This became less deterministic, but
2824         has fewer false positives.
2825         * symtab.h: Declarations.
2826         * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2827         mix an optimized and non-optimized object in the same binary
2828         (odr_violation2.so): Same.
2829         * testsuite/Makefile.in: Regenerate from Makefile.am.
2830         * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2831         * testsuite/debug_msg.sh: Update line numbers and add
2832         assertions.
2833         * testsuite/odr_violation1.cc: Use OdrDerived, in a
2834         non-optimized context.
2835         * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2836         isn't inlined, and use OdrDerived in an optimized context.
2837         * testsuite/odr_header1.h: Defines OdrDerived, where
2838         optimization will change the
2839         first-instruction-in-the-destructor's file and line number.
2840         * testsuite/odr_header2.h: Defines OdrBase.
2841
2842 2011-03-09  Ian Lance Taylor  <iant@google.com>
2843
2844         * fileread.cc (File_read::clear_views): Don't delete the whole
2845         file view.
2846
2847 2011-03-08  Ian Lance Taylor  <iant@google.com>
2848
2849         PR gold/12525
2850         * fileread.cc: #include <climits>.
2851         (GOLD_IOV_MAX): Define.
2852         (File_read::read_multiple): Limit number of entries by iov_max.
2853         * fileread.h (class File_read): Always set max_readv_entries to
2854         128.
2855
2856 2011-03-07  Ian Lance Taylor  <iant@google.com>
2857
2858         PR gold/12525
2859         * options.h (class General_options): Add -dy and -dn.
2860
2861 2011-03-02  Cary Coutant  <ccoutant@google.com>
2862
2863         * testsuite/script_test_9.t: Add TLS segment.
2864
2865 2011-03-02  Simon Baldwin  <simonb@google.com>
2866
2867         * configure.ac: Add check for gnu_indirect_function support in
2868         the toolchain building binutils.
2869         * configure: Rebuild.
2870
2871 2011-02-18  Rafael Ávila de Espíndola <respindola@mozilla.com>
2872
2873         * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2874         plugin only symbols.
2875         (Symbol_table::sized_finalize_symbol) Mark symbol only present
2876         in plugin files as not needed in the symbol table.
2877
2878 2011-02-11  Sriraman Tallam  <tmsriram@google.com>
2879
2880         * output.cc (Output_section::add_input_section): Delay fill
2881         generation for section ordering.
2882
2883 2011-02-09  Ian Lance Taylor  <iant@google.com>
2884
2885         PR gold/12316
2886         * object.h (class Sized_relobj): Remove clear_local_symbols.
2887         * reloc.cc (Sized_relobj::do_relocate): Don't call
2888         clear_local_symbols.
2889
2890 2011-02-08  Rafael Ávila de Espíndola <respindola@mozilla.com>
2891
2892         * plugin.cc (is_visible_from_outside): Return true for symbols
2893         in the -u option.
2894
2895 2011-02-04  Jeffrey Yasskin  <jyasskin@google.com>
2896
2897         * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2898         filename.
2899
2900 2011-02-02  Sriraman Tallam  <tmsriram@google.com>
2901
2902         * icf.h (is_section_foldable_candidate): Change type of parameter
2903         to std::string.
2904         * icf.cc (Icf::find_identical_sections): Change type of local variable
2905         section_name to be std::string.
2906         (is_function_ctor_or_dtor): Change type of parameter to std::string.
2907
2908 2011-01-25  Ian Lance Taylor  <iant@google.com>
2909
2910         * script.cc (script_add_extern): Rewrite to use
2911         add_symbol_reference.
2912
2913 2011-01-25  Doug Kwan  <dougkwan@google.com>
2914
2915         * icf.cc (get_section_contents): Always lock section's object.
2916
2917 2011-01-24  Ian Lance Taylor  <iant@google.com>
2918
2919         * options.h (class General_options): Accept
2920         --no-detect-odr-violations.
2921
2922 2011-01-24  Ian Lance Taylor  <iant@google.com>
2923
2924         * version.cc (version_string): Bump to 1.11.
2925
2926 2011-01-24  Ian Lance Taylor  <iant@google.com>
2927
2928         * plugin.cc (class Plugin_rescan): Define new class.
2929         (Plugin_manager::claim_file): Set any_claimed_.
2930         (Plugin_manager::save_archive): New function.
2931         (Plugin_manager::save_input_group): New function.
2932         (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2933         necessary.
2934         (Plugin_manager::new_undefined_symbol): New function.
2935         (Plugin_manager::rescan): New function.
2936         (Plugin_manager::rescannable_defines): New function.
2937         (Plugin_manager::add_input_file): Set any_added_.
2938         * plugin.h (class Plugin_manager): define new fields rescannable_,
2939         undefined_symbols_, any_claimed_, and any_added_.  Declare
2940         Plugin_rescan as friend.  Declare new functions.
2941         (Plugin_manager::Rescannable): Define type.
2942         (Plugin_manager::Rescannable_list): Define type.
2943         (Plugin_manager::Undefined_symbol_list): Define type.
2944         (Plugin_manager::Plugin_manager): Initialize new fields.
2945         * archive.cc (Archive::defines_symbol): New function.
2946         (Add_archive_symbols::run): Pass archive to plugins if any.
2947         * archive.h (class Archive): Declare defines_symbol.
2948         * readsyms.cc (Input_group::~Input_group): New function.
2949         (Finish_group::run): Pass input_group to plugins if any.
2950         * readsyms.h (class Input_group): Declare destructor.
2951         * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2952         any.
2953
2954 2011-01-10  Ian Lance Taylor  <iant@google.com>
2955
2956         * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2957         section as relro.
2958         (Layout::set_segment_offsets): Reset increase_relro before calling
2959         set_section_addresses a second time.
2960
2961 2011-01-04  Cary Coutant  <ccoutant@google.com>
2962
2963         * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2964         sections before NOBITS sections.
2965
2966 2011-01-01  H.J. Lu  <hongjiu.lu@intel.com>
2967
2968         * version.cc (print_version): Update copyright to 2011.
2969
2970 2010-12-23  Cary Coutant  <ccoutant@google.com>
2971
2972         * output.h (Output_data_reloc::add_output_section): Pass OD instead
2973         of OS to this->add.  Add OD parameter to second form of the function.
2974
2975 2010-12-20  Ian Lance Taylor  <iant@google.com>
2976
2977         * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2978         second of two consecutive entries with same offset.
2979
2980 2010-12-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2981
2982         * testsuite/Makefile.am (ifuncmain2static_LDADD)
2983         (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2984         (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2985         to avoid unneeded links against $(LDADD).
2986         * testsuite/Makefile.in: Regenerate.
2987
2988 2010-12-15  Ian Lance Taylor  <iant@google.com>
2989
2990         PR gold/12324
2991         * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2992         for R_X86_64_32 and R_X86_64_PC32.
2993         * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2994         ver_matching_def_pic.o.
2995         (ver_matching_def_pic.o): New target.
2996
2997 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
2998
2999         * fileread.cc (file_counts_lock, file_counts_initialize_lock)
3000         (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
3001         Move definition before File_read::View member definitions.
3002         (File_read::View::~View): Initialize and hold lock before
3003         updating current_mapped_bytes.
3004
3005 2010-12-14  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3006
3007         * dwarf_reader.cc: Remove outdated comment.
3008         * gold-threads.cc: Fix typo in error message.
3009         * archive.cc: Fix typos in comments.
3010         * archive.h: Likewise.
3011         * arm-reloc-property.cc: Likewise.
3012         * arm-reloc-property.h: Likewise.
3013         * arm-reloc.def: Likewise.
3014         * arm.cc: Likewise.
3015         * attributes.h: Likewise.
3016         * cref.cc: Likewise.
3017         * ehframe.cc: Likewise.
3018         * fileread.h: Likewise.
3019         * gold.h: Likewise.
3020         * i386.cc: Likewise.
3021         * icf.cc: Likewise.
3022         * incremental.h: Likewise.
3023         * int_encoding.cc: Likewise.
3024         * layout.h: Likewise.
3025         * main.cc: Likewise.
3026         * merge.h: Likewise.
3027         * object.cc: Likewise.
3028         * object.h: Likewise.
3029         * options.cc: Likewise.
3030         * readsyms.cc: Likewise.
3031         * reduced_debug_output.cc: Likewise.
3032         * reloc.cc: Likewise.
3033         * script-sections.cc: Likewise.
3034         * sparc.cc: Likewise.
3035         * symtab.h: Likewise.
3036         * target-reloc.h: Likewise.
3037         * target.cc: Likewise.
3038         * target.h: Likewise.
3039         * timer.cc: Likewise.
3040         * timer.h: Likewise.
3041         * x86_64.cc: Likewise.
3042
3043 2010-12-09  Cary Coutant  <ccoutant@google.com>
3044
3045         * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
3046         stack.
3047         * layout.h (Layout::layout_gnu_stack): Add pointer to Object
3048         parameter; change all callers.
3049         * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
3050         * options.h (warn_execstack): New option.
3051
3052 2010-12-07  Doug Kwan  <dougkwan@google.com>
3053
3054         * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
3055         like function call relocations.
3056
3057 2010-12-07  Ian Lance Taylor  <iant@google.com>
3058
3059         * archive.cc (Archive::get_elf_object_for_member): Permit
3060         punconfigured to be NULL.
3061         (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
3062         (Archive::include_member): Pass NULL to get_elf_object_for_member
3063         if we searched for the archive and this is the first included
3064         object.
3065
3066 2010-12-01  Ian Lance Taylor  <iant@google.com>
3067
3068         * dwarf_reader.h (class Sized_dwarf_line_info): Add
3069         track_relocs_type_ field.
3070         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3071         Set track_relocs_type_.
3072         (Sized_dwarf_line_info::process_one_opcode): Ignore the section
3073         contents when using RELA relocs.
3074         (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
3075         reloc_map_.
3076         * reloc.cc (Track_relocs::next_addend): New function.
3077         * reloc.h (class Track_relocs): Declare next_addend.
3078
3079 2010-12-01  Ian Lance Taylor  <iant@google.com>
3080
3081         * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
3082         virtual destructor.
3083
3084 2010-12-01  Ian Lance Taylor  <iant@google.com>
3085
3086         * README: Update compilers known to work and fail.
3087
3088 2010-11-23  Matthias Klose  <doko@ubuntu.com>
3089
3090         * configure.in: For --enable-gold, handle value `default' instead of
3091         `both*'.  Always install ld as ld.bfd, install as ld if gold is
3092         not the default.
3093         * configure: Regenerate.
3094
3095 2010-11-18  Doug Kwan  <dougkwan@google.com>
3096
3097         * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
3098         and right_alignment to be zero.  Store result alignment only if it is
3099         greater than existing alignment.
3100
3101 2010-11-16  Cary Coutant  <ccoutant@google.com>
3102
3103         PR gold/12220
3104         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3105         Check for ".zdebug_line".
3106
3107 2010-11-16  Doug Kwan  <dougkwan@google.com>
3108             Cary Coutant  <ccoutant@google.com>
3109
3110         * output.h (Output_segment::set_section_addresses): Pass increase_relro
3111         by reference; adjust all callers.
3112         * output.cc (Output_segment::set_section_addresses): Adjust references
3113         to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
3114         list is empty.
3115         (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
3116         end at page boundary.
3117
3118 2010-11-16  Cary Coutant  <ccoutant@google.com>
3119
3120         PR gold/12220
3121         * layout.cc (Layout::choose_output_section): Transform names of
3122         compressed sections even when using a script with a SECTIONS clause.
3123         (Layout::output_section_name): Remove code to transform
3124         compressed debug section names.
3125         * output.cc (Output_section::add_input_section): Use uncompressed
3126         section size when tracking input sections.
3127
3128 2010-11-11  Richard Sandiford  <richard.sandiford@linaro.org>
3129
3130         * symtab.h (Symbol::NON_PIC_REF): Remove.
3131         (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
3132         (Symbol::FUNCTION_CALL): Renumber.  Reword comment.
3133         (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
3134         (Symbol::use_plt_offset): Take a flags argument and pass it
3135         directly to needs_dynamic_reloc.  Restrict check for undefined
3136         weak symbols to function calls.
3137         * arm.cc (Target_arm::Scan::get_reference_flags): New function.
3138         (Target_arm::Scan::global): Use it.
3139         (Target_arm::Scan::scan_reloc_for_stub): Likewise.
3140         (Target_arm::Relocate::relocate): Likewise.
3141         (Target_arm::Relocate::should_apply_static_reloc): Replace flags
3142         parameter with an r_type parameter.  Use get_reference_flags
3143         to get the flags.
3144         (Target_arm::Relocate::relocate): Update accordingly.
3145         * i386.cc (Target_i386::Scan::get_reference_flags): New function.
3146         (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
3147         (Target_i386::Scan::global): Likewise.
3148         (Target_i386::Relocate::relocate): Likewise.
3149         (Target_i386::Relocate::should_apply_static_reloc): Replace flags
3150         parameter with an r_type parameter.  Use get_reference_flags
3151         to get the flags.
3152         (Target_i386::Relocate::relocate): Update accordingly.
3153         * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
3154         (Target_powerpc::Scan::global): Use it.
3155         (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
3156         (Target_powerpc::Relocate::relocate): Likewise.
3157         * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
3158         (Target_sparc::Scan::global): Use it.
3159         (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
3160         (Target_sparc::Relocate::relocate): Likewise.
3161         * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
3162         (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
3163         (Target_x86_64::Scan::global): Likewise.
3164         (Target_x86_64::Relocate::relocate): Likewise.
3165
3166 2010-11-08  Doug Kwan  <dougkwan@google.com>
3167             Cary Coutant  <ccoutant@google.com>
3168
3169         * arm.cc (Arm_exidx_merge_section::build_contents): New method.
3170         (Arm_exidx_merge_section::section_contents_): New data member.
3171         (Arm_input_section::Arm_input_section): Initialize original_contents_.
3172         (Arm_input_section::~Arm_input_section): De-allocate memory.
3173         (Arm_input_section::original_contents_): New data member.       
3174         (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
3175         in parameters instead of calling Object::section_contents without
3176         locking.
3177         (Arm_output_section::group_section): New parameter TASK.  Pass it
3178         to callees that need locking objects.
3179         (Arm_output_section::fix_exidx_coverage): New parameter TASK.  Use it
3180         to lock EXIDX input sections.  Fix a formatting issue.  Call
3181         Arm_exidx_merged_section::build_contents to create merged section
3182         contents.
3183         (Arm_output_section::create_stub_group): New parameter TASK.  Use it
3184         to lock object of stub table owner.
3185         (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
3186         TEXT_SIZE to initialize data member TEXT_SIZE_.
3187         (Arm_exidx_input_section::addralign): Fix typo in comment.
3188         (Arm_exidx_input_section::text_size): New method.
3189         (Target_arm::do_relax): New parameter TASK.  Pass it to callees
3190         that require locking objects.  Lock objects before scanning for stubs
3191         and updating local symbols.
3192         (Arm_input_section<big_endian>::init): Copy contents of original
3193         input section.
3194         (Arm_input_section<big_endian>::do_write): Use saved contents of
3195         original input section instead of calling Object::section_contents
3196         without locking.
3197         (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
3198         size without calling Object::section_size().
3199         (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
3200         for size.  Allocate a buffer for merged EXIDX entries.
3201         (Arm_exidx_merged_section::build_contents): New method.
3202         (Arm_exidx_merged_section::do_write): Move merge section contents
3203         building code to Arm_exidx_merged_section::build_contetns.  Write
3204         out contetns in buffer instead of building it on the fly.
3205         (Arm_relobj::make_exidx_input_section): Also pass text section size
3206         to Arm_exidx_input_section constructor.
3207         (Arm_relobj::do_read_symbols): Fix memory leak.  Fix a formatting issue.
3208         (Arm_dynobj::do_read_symbols): Fix memory leak.
3209         * layout.cc (Layout::finalize): Pass TASK to Target::relax().
3210         * target.h: (class Task): Add forward declaration.
3211         (Target::relax): Add new parameter TASK and pass it to
3212         Target::do_relax().
3213         (Target::do_relax):: New parameter TASK.  Fix a formatting issue.
3214
3215 2010-11-05  Cary Coutant  <ccoutant@google.com>
3216
3217         PR gold/10708
3218         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
3219         object when reading from the file.
3220         * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
3221         second layout pass.
3222         * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
3223         when reading section contents.
3224         (get_section_contents): Likewise.
3225         (icf::find_identical_sections): Likewise.
3226         * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
3227         object when reading from the file.
3228         * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
3229         the object when doing deferred section layout.
3230
3231 2010-11-03  Nick Clifton  <nickc@redhat.com>
3232
3233         PR gold/12001
3234         * script.h (class Symbol_assignment: name): New member.  Returns
3235         the name of the symbol.
3236         * scrfipt.cc (Script_options::is_pending_assignment): New member.
3237         Returns true if the given symbol name is on the list of
3238         assignments wating to be processed.
3239         * archive.cc (should_incldue_member): If the symbol is undefined,
3240         check to see if it is on the list of symbols pending assignment.
3241
3242 2010-11-03  Ryan Mansfield  <rmansfield@qnx.com>
3243
3244         * script-sections.cc (Script_sections::find_memory_region): Check
3245         for a NULL output section pointer.
3246
3247 2010-10-29  Doug Kwan  <dougkwan@google.com>
3248
3249         * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
3250         Output_section::add_relaxed_input_section.
3251         * output.cc (Output_section::add_relaxed_input_section): Add new
3252         arguments LAYOUT and NAME.  Set section order index.
3253         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3254         Copy section order index.
3255         * output.h (Output_section::add_relaxed_input_section): Add new
3256         arguments LAYOUT and NAME.
3257
3258 2010-10-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3259
3260         * testsuite/Makefile.am: Move gcctestdir/ld rule to
3261         NATIVE_OR_CROSS_LINKER.
3262         * testsuite/Makefile.in: Regenerate.
3263
3264 2010-10-20  Doug Kwan  <dougkwan@google.com>
3265
3266         * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
3267         without SHF_LINK_ORDER flags.
3268         * layout.cc (Layout::choose_output_section): Do not filter
3269         SHF_LINK_ORDER flag in a relocatable link.
3270
3271 2010-10-17  Cary Coutant  <ccoutant@google.com>
3272
3273         * output.h (Output_segment::set_section_addresses): Change function
3274         signature.  Update all callers.
3275         * output.cc (Output_segment::is_first_section_relro): Ignore TLS
3276         sections.
3277         (Output_segment::set_section_addresses): Align after last TLS
3278         section.  Add padding before last relro section instead of after.
3279
3280 2010-10-17  Doug Kwan  <dougkwan@google.com>
3281
3282         * gold/arm.cc (Target_arm::got_section): Use correct order and set
3283         GOT output section to be writable.
3284
3285 2010-10-14  Cary Coutant  <ccoutant@google.com>
3286
3287         * debug.h (DEBUG_INCREMENTAL): New flag.
3288         (debug_string_to_enum): Add DEBUG_INCREMENTAL).
3289         * gold.cc (queue_initial_tasks): Check parameters for incremental link
3290         mode.
3291         * incremental.cc (report_command_line): Ignore all forms of
3292         --incremental.
3293         * layout.cc (Layout::Layout): Check parameters for incremental link
3294         mode.
3295         * options.cc (General_options::parse_incremental): New function.
3296         (General_options::parse_no_incremental): New function.
3297         (General_options::parse_incremental_full): New function.
3298         (General_options::parse_incremental_update): New function.
3299         (General_options::incremental_mode_): New data member.
3300         (General_options::finalize): Check incremental_mode_.
3301         * options.h (General_options): Update help text for --incremental.
3302         Add --no-incremental, --incremental-full, --incremental-update.
3303         (General_options::Incremental_mode): New enum type.
3304         (General_options::incremental_mode): New function.
3305         (General_options::incremental_mode_): New data member.
3306         * parameters.cc (Parameters::incremental_mode_): New data member.
3307         (Parameters::set_options): Set incremental_mode_.
3308         (Parameters::set_incremental_full): New function.
3309         (Parameters::incremental): New function.
3310         (Parameters::incremental_update): New function.
3311         (set_parameters_incremental_full): New function.
3312         * parameters.h (Parameters::set_incremental_full): New function.
3313         (Parameters::incremental): New function.
3314         (Parameters::incremental_update): New function.
3315         (Parameters::incremental_mode_): New data member.
3316         (set_parameters_incremental_full): New function.
3317         * plugin.cc (Plugin_manager::add_input_file): Check parameters for
3318         incremental link mode.
3319         * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
3320         (Sized_relobj::do_relocate_sections): Likewise.
3321         * testsuite/Makefile.am (incremental_test): Use --incremental-full
3322         option.
3323         * testsuite/Makefile.in: Regenerate.
3324         * testsuite/incremental_test.sh: Filter all forms of --incremental.
3325
3326 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3327
3328         * script-sections.h (class Script_sections): Make
3329         Sections_elements typedef public.
3330         * script-sections.cc (class Sort_output_sections): Add elements_
3331         field.  Add constructor which sets it; change all callers.
3332         (Sort_output_sections::is_before): New function.
3333         (Sort_output_sections::operator()): Call is_before.
3334         * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
3335         conditional.
3336         * testsuite/script_test_10.sh: New test. Test script section
3337         order.
3338         * testsuite/script_test_10.t: Likewise.
3339         * testsuite/script_test_10.s: Likewise.
3340         * testsuite/Makefile.am: Wrap the cross linker tests and the
3341         common tests into NATIVE_OR_CROSS_LINKER.
3342         (check_SCRIPTS): Add script_test_10.sh.
3343         (check_DATA): Add script_test_10.stdout.
3344         (script_test_10.o, script_test_10): New targets.
3345         (script_test_10.stdout): New target.
3346         * configure, testsuite/Makefile.in: Regenerate.
3347
3348 2010-10-12  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
3349
3350         * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
3351         error for the deprecated relocations.
3352         (Target_arm::Scan::global): Likewise.
3353         (Target_arm::Relocate::relocate): Likewise.
3354
3355 2010-10-12  Richard Sandiford  <richard.sandiford@linaro.org>
3356
3357         * fileread.cc (Input_file::find_file): Initialize *found_name
3358         and *namep when using the fallback search for case 4.
3359
3360 2010-10-11  Cary Coutant  <ccoutant@google.com>
3361
3362         * options.h (class General_options): Redefine -z lazy as an alias for
3363         the negation of -z now.
3364
3365 2010-10-11  Ian Lance Taylor  <iant@google.com>
3366
3367         * resolve.cc (symbol_to_bits): Report the value of the unsupported
3368         binding.
3369
3370 2010-10-06  Nick Clifton  <nickc@redhat.com>
3371
3372         * script-sections.cc(class Memory_region): Remove
3373         current_lma_offset_ field.  Rename current_vma_offset_ to
3374         current_offset_.  Add last_section_ field.
3375         (Memory_region::get_current_vma_address): Rename to
3376         get_current_address.
3377         (Memory_region::get_current_lma_address): Delete.
3378         (Memory_region::increment_vma_offset): Rename to
3379         increment_offset.
3380         (Memory_region::increment_lma_offset): Delete.
3381         (Memory_region::attributes_compatible): New method.  Returns
3382         true if the provided section is compatible with the region.
3383         (Memory_region::get_last_section): New method.  Returns the last
3384         section to use the region.
3385         (Memory_region::set_last_section): New method.  Stores the last
3386         section to use the region.
3387         (Script_sections::block_in_region): New method.  Returns true if
3388         a block of memory is contained within a region.
3389         (Script_sections::find_memory_region): New method.  Locates a
3390         memory region to be used to set a VMA or LMA address.
3391         (Output_section_definition::set_section_addresses): Add code to
3392         check for addresses set by memory regions.
3393         (Output_segment::set_section_addresses): Remove memory region
3394         walking code.
3395         (Script_sections::create_segment): Add a warning if a header
3396         segment is created outside of any region.
3397         * script-sections.h (class Script_sections): Add prototypes for
3398         find_memory_region and block_in_region methods.
3399         * testsuite/memory_test.s: Use .long instead of .word.
3400         * testsuite/memory_test.t: Add some more output sections.
3401         * testsuite/memory_test.sh: Update expected output.
3402
3403 2010-10-02  Doug Kwan  <dougkwan@google.com>
3404
3405         * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
3406         defintion to symtab.h
3407         * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
3408         declaration to defintion.
3409
3410 2010-10-01  Nick Clifton  <nickc@redhat.com>
3411
3412         * expression.cc (eval): Replace dummy argument with NULL.
3413         (eval_maybe_dot): Check for a NULL result section pointer.
3414         (Symbol_expression::value): Likewise.
3415         (Dot_expression::value): Likewise.
3416         (BINARY_EXPRESSION): Likewise.
3417         (Max_expression::value): Likewise.
3418         (Min_expression::value): Likewise.
3419         (Absolute_expression::value): Likewise.
3420         (Addr_expression::value_from_output_section): Likewise.
3421         (Loaddddr_expression::value_from_output_section): Likewise.
3422         (Segment_start_expression::value): Likewise.
3423         * script-sections.cc
3424         (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
3425         argument with NULL.
3426         (Sections_elememt_dot_assignment::set_section_addresses):
3427         Likewise.
3428         (Output_data_expression::do_write_to_buffer): Likewise.
3429         (Output_section_definition::finalize_symbols): Likewise.
3430         (Output_section_definition::set_section_addresses): Likewise.
3431
3432 2010-09-30  Doug Kwan  <dougkwan@google.com>
3433
3434         * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
3435
3436 2010-09-28  Sriraman Tallam  <tmsriram@google.com>
3437
3438         * target.h (Target::can_icf_inline_merge_sections): New virtual
3439         function.
3440         * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
3441         virtual function.
3442         * i386.cc (Target_i386::can_icf_inline_merge_sections): New
3443         virtual function.
3444         * icf.cc (get_section_contents): Inline merge sections only when
3445         target allows it.
3446
3447 2010-09-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3448
3449         * configure: Regenerate.
3450
3451 2010-09-17  Ian Lance Taylor  <iant@google.com>
3452
3453         * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
3454         * testsuite/Makefile.am (memory_test.o): New target.
3455         (memory_test): Depend on memory_test.o, gcctestdir/ld, and
3456         memory_test.t.
3457         * testsuite/Makefile.in: Rebuild.
3458
3459 2010-09-17  Doug Kwan  <dougkwan@google.com>
3460
3461         * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
3462         defintion if relocation uses GOT entries of the symbol.
3463         * testsuite/icf_safe_test.sh: Fix test.
3464         * testsuite/icf_safe_so_test.sh: Fix test.
3465
3466 2010-09-16  Cary Coutant  <ccoutant@google.com>
3467
3468         * script_sections.cc (class Memory_region): Remove "NULL" from
3469         vector initializations.
3470
3471 2010-09-15  Cary Coutant  <ccoutant@google.com>
3472
3473         * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
3474         Resolve forwarding symbols.
3475
3476 2010-09-15  Doug Kwan  <dougkwan@google.com>
3477
3478         * gold/testsuite/script_test_3.t: Add ARM special sections.
3479         * gold/testsuite/script_test_4.t: Same.
3480         * gold/testsuite/script_test_5.t: Same.
3481         * gold/testsuite/script_test_6.t: Same.
3482         * gold/testsuite/script_test_7.t: Same.
3483         * gold/testsuite/script_test_7.t: Same.
3484         * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
3485
3486 2010-09-14  Cary Coutant  <ccoutant@google.com>
3487
3488         * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
3489         (Target_x86_64::Relocate::relocate_tls): Replace check for
3490         saw_tls_block_reloc_ with test for executable section.
3491
3492 2010-09-12  Cary Coutant  <ccoutant@google.com>
3493
3494         * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
3495         position-independent executables to shared libraries need dynamic
3496         relocations.
3497         (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
3498         position-independent executables.
3499         * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
3500         * testsuite/Makefile.in: Regenerate.
3501
3502 2010-09-10  Nick Clifton  <nickc@redhat.com>
3503
3504         PR gold/11997
3505         * testsuite/memory_test.t: Discard any sections that are not
3506         needed.
3507
3508 2010-09-09  H.J. Lu  <hongjiu.lu@intel.com>
3509
3510         PR gold/11996
3511         * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
3512         "This::" to work around a bug in gcc 4.2.
3513
3514         * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
3515
3516 2010-09-09  Rafael Espindola  <espindola@google.com>
3517
3518         * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
3519         sections with different PF_X flags in the same segment.
3520         (Layout::find_first_load_seg): Search all segments to find the first
3521         one.
3522         * options.h (rosegment): New.
3523
3524 2010-09-08  Rafael Espindola  <espindola@google.com>
3525
3526         * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
3527
3528 2010-09-08  Doug Kwan  <dougkwan@google.com>
3529
3530         * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
3531         (Arm_relobj::do_relocate_sections): Add new parameter for output
3532         file to match the parent.
3533         (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
3534         of local symbols instead of input values.  Update code to track
3535         changes in gold::relocate_section.
3536         * object.cc (Sized_relobj::compute_final_local_value): New methods.
3537         (Sized_relobj::compute_final_local_value_internal): New methods.
3538         (Sized_relobj::do_finalize_local_symbols): Move code from loop
3539         body into private version of Sized_relobj::compute_final_local_value.
3540         Call the inline method.
3541         * object.h (Symbol_value::Symbol_value): Define destructor.  Free
3542         merged symbol value if there is one.
3543         (Symbol_value::has_output_value): New method defintiion.
3544         (Sized_relobj::Compute_final_local_value_status): New enum type.
3545         (Sized_relobj::compute_final_local_value): New methods.
3546         (Sized_relobj::compute_final_local_value_internal): New methods.
3547         * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3548         and arm_cortex_a8.sh.
3549         (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3550         arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3551         New tests.
3552         * Makefile.in: Regenerate.
3553         * testsuite/arm_bl_out_of_range.s: Update test.
3554         * testsuite/thumb_bl_out_of_range.s: Ditto.
3555         * testsuite/thumb_blx_out_of_range.s: Ditto.
3556         * testsuite/arm_branch_out_of_range.sh: New file.
3557         * testsuite/arm_cortex_a8.sh: Ditto.
3558         * testsuite/arm_cortex_a8_b.s: Ditto.
3559         * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3560         * testsuite/arm_cortex_a8_b_local.s: Ditto.
3561         * testsuite/arm_cortex_a8_bl.s: Ditto.
3562         * testsuite/arm_cortex_a8_blx.s: Ditto.
3563         * testsuite/arm_cortex_a8_local.s: Ditto.
3564         * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3565         * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3566
3567 2010-09-08  Rafael Espindola  <espindola@google.com>
3568
3569         * Makefile.am (memory_test.stdout): Run readelf with -W.
3570         * Makefile.in: Regenerate.
3571         * testsuite/memory_test.sh: Make the regexps accept both 32 and
3572         64 bit output.
3573
3574 2010-09-08  Rafael Espindola  <espindola@google.com>
3575
3576         * script-sections.cc (Script_sections::add_memory_region): Convert
3577         field precision to int.
3578         * script.cc (script_set_section_region, script_set_section_region):
3579         Convert field precision to int.
3580
3581 2010-09-08  Rafael Espindola  <espindola@google.com>
3582
3583         * arm.cc (do_finalize_sections): Create the __exidx_start and
3584         __exdix_end symbols even when the section is missing.
3585
3586 2010-09-08  Nick Clifton  <nickc@redhat.com>
3587
3588         * README: Remove claim that MEMORY is not supported.
3589         * expression.cc (script_exp_function_origin)
3590         (script_exp_function_length): Move from here to ...
3591         * script.cc: ... here.
3592         (script_set_section_region, script_add_memory)
3593         (script_parse_memory_attr, script_include_directive): New
3594         functions.
3595         * script-sections.cc
3596         (class Memory_region): New class.
3597         (class Output_section_definition): Add set_memory_region,
3598         set_section_vma, set_section_lma and get_section_name methods.
3599         (class Script_Sections): Add add_memory_region,
3600         find_memory_region, find_memory_region_origin,
3601         find_memory_region_length and set_memory_region methods.
3602         Have set_section_addresses method walk the list of set memory
3603         regions.
3604         Extend the print methos to display memory regions.
3605         * script-sections.h: Add prototypes for new methods.
3606         Add enum for MEMORY region attributes.
3607         * yyscript.y: Add support for parsing MEMORY regions.
3608         * script-c.h: Add prototypes for new functions.
3609         * testsuite/Makefile.am: Add test of MEMORY region functionality.
3610         * testsuite/Makefile.in: Regenerate.
3611         * testsuite/memory_test.sh: New script.
3612         * testsuite/memory_test.s: New assembler source file.
3613         * testsuite/memory_test.t: New linker script.
3614
3615 2010-08-27  Doug Kwan  <dougkwan@google.com>
3616
3617         * gold/resolve.cc (Symbol_table::should_override): Let a weak
3618         reference override an existing dynamic weak reference.
3619         * testsuite/Makefile.am: Add new test dyn_weak_ref.
3620         * testsuite/Makefile.in: Regenerate.
3621         * testsuite/dyn_weak_ref.sh: New file.
3622         * testsuite/dyn_weak_ref_1.c: Ditto.
3623         * testsuite/dyn_weak_ref_2.c: Ditto.
3624
3625 2010-08-27  Ian Lance Taylor  <iant@google.com>
3626
3627         * incremental.h (class Incremental_input_entry): Add virtual
3628         destructor.
3629
3630 2010-08-27  Ian Lance Taylor  <iant@google.com>
3631
3632         * testsuite/start_lib_test_3.c: Mark t3 as used.
3633
3634 2010-08-27  Nick Clifton  <nickc@redhat.com>
3635
3636         * options.cc (version_script): Fix small typo in previous
3637         whitespace tidyup.
3638
3639 2010-08-25  Nick Clifton  <nickc@redhat.com>
3640
3641         * archive.cc: Formatting fixes: Remove whitespace between
3642         typename and following asterisk.  Remove whitespace between
3643         function name and opening parenthesis.
3644         * archive.h: Likewise.
3645         * arm.cc: Likewise.
3646         * attributes.cc: Likewise.
3647         * attributes.h: Likewise.
3648         * common.cc: Likewise.
3649         * copy-relocs.cc: Likewise.
3650         * dirsearch.h: Likewise.
3651         * dynobj.cc: Likewise.
3652         * ehframe.cc: Likewise.
3653         * ehframe.h: Likewise.
3654         * expression.cc: Likewise.
3655         * fileread.cc: Likewise.
3656         * fileread.h: Likewise.
3657         * gc.h: Likewise.
3658         * gold-threads.cc: Likewise.
3659         * gold.cc: Likewise.
3660         * i386.cc: Likewise.
3661         * icf.h: Likewise.
3662         * incremental-dump.cc: Likewise.
3663         * incremental.cc: Likewise.
3664         * layout.cc: Likewise.
3665         * layout.h: Likewise.
3666         * main.cc: Likewise.
3667         * merge.cc: Likewise.
3668         * merge.h: Likewise.
3669         * object.cc: Likewise.
3670         * object.h: Likewise.
3671         * options.cc: Likewise.
3672         * options.h: Likewise.
3673         * output.cc: Likewise.
3674         * output.h: Likewise.
3675         * plugin.cc: Likewise.
3676         * plugin.h: Likewise.
3677         * powerpc.cc: Likewise.
3678         * reloc.cc: Likewise.
3679         * script-c.h: Likewise.
3680         * script-sections.cc: Likewise.
3681         * script.cc: Likewise.
3682         * stringpool.cc: Likewise.
3683         * symtab.cc: Likewise.
3684         * symtab.h: Likewise.
3685         * target.cc: Likewise.
3686         * timer.cc: Likewise.
3687         * timer.h: Likewise.
3688         * version.cc: Likewise.
3689         * x86_64.cc: Likewise.
3690
3691 2010-08-24  Nick Clifton  <nickc@redhat.com>
3692
3693         PR 11899
3694         * layout.cc (segment_precedes): Sort segments by their physical
3695         addresses, if they have been set.
3696
3697 2010-08-23  Cary Coutant  <ccoutant@google.com>
3698
3699         * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3700         symbols data.
3701         (Lib_group::include_member): Unlock object after deleting its
3702         symbols data.
3703         * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3704         the bug fixed here.
3705
3706 2010-08-19  Neil Vachharajani  <nvachhar@google.com>
3707             Cary Coutant  <ccoutant@google.com>
3708
3709         * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3710         constructor, and set_blocker.
3711         * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3712         readsyms_blocker_.
3713         * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3714         this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3715         * testsuite/Makefile.am (start_lib_test): New test case.
3716         * testsuite/Makefile.in: Regenerate.
3717         * testsuite/start_lib_test_main.c: New file.
3718         * testsuite/start_lib_test_1.c: New file.
3719         * testsuite/start_lib_test_2.c: New file.
3720         * testsuite/start_lib_test_3.c: New file.
3721
3722 2010-08-19  Ian Lance Taylor  <iant@google.com>
3723
3724         * Makefile.in: Rebuild with automake 1.11.1.
3725         * aclocal.m4: Likewise.
3726         * testsuite/Makefile.in: Likewise.
3727
3728 2010-08-19  Ian Lance Taylor  <iant@google.com>
3729
3730         PR 10893
3731         * i386.cc (class Output_data_plt_i386): Update declarations.
3732         Define Global_ifunc and Local_ifunc types.  Add global_ifuncs_ and
3733         local_ifuncs_ fields.
3734         (Target_i386::do_plt_section_for_global): New function.
3735         (Target_i386::do_plt_section_for_local): New function.
3736         (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3737         parameter; change all callers.  Initialize global_ifuncs_ and
3738         local_ifuncs_.  If doing a static link define __rel_iplt_start and
3739         __rel_iplt_end.
3740         (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3741         (Output_data_plt_i386::add_local_ifunc_entry): New function.
3742         (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3743         symbols.
3744         (Target_i386::make_plt_section): New function, broken out of
3745         make_plt_entry.  Set sh_info field of .rel.plt to point to .plt.
3746         (Target_i386::make_plt_entry): Call make_plt_section.
3747         (Target_i386::make_local_ifunc_plt_entry): New function.
3748         (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3749         (Target_i386::Scan::local): Handle IFUNC symbols.  Add
3750         R_386_IRELATIVE to switch.
3751         (Target_i386::Scan::global): Likewise.
3752         (Target_i386::Relocate::relocate): Likewise.
3753         (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3754         switch.
3755         * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3756         (Target_x86_64::do_plt_section_for_global): New function.
3757         (Target_x86_64::do_plt_section_for_local): New function.
3758         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3759         parameter; change all callers.  If doing a static link define
3760         __rela_iplt_start and __rela_iplt_end.
3761         (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3762         (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3763         (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3764         to point to .plt.
3765         (Target_x86_64::make_local_ifunc_plt_entry): New function.
3766         (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3767         switch.
3768         (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3769         (Target_x86_64::Scan::local): Handle IFUNC symbols.  Add
3770         R_X86_64_IRELATIVE to switch.
3771         (Target_x86_64::Scan::global): Likewise.
3772         (Target_x86_64::Relocate::relocate): Likewise.
3773         (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3774         switch.
3775         * target.h (class Target): Add plt_section_for_global and
3776         plt_section_for_local functions.  Add do_plt_section_for_global
3777         and do_plt_section_for_local virtual functions.
3778         * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol.  Add
3779         clarifying comments.
3780         (Symbol::use_plt_offset): Handle IFUNC symbol.
3781         * object.cc (Sized_relobj::Sized_relobj): Initialize
3782         local_plt_offsets_.
3783         (Sized_relobj::local_has_plt_offset): New function.
3784         (Sized_relobj::local_plt_offset): New function.
3785         (Sized_relobj::set_local_plt_offset): New function.
3786         (Sized_relobj::do_count): Handle IFUNC symbol.
3787         * object.h (class Symbol_value): Add is_ifunc_symbol_ field.  Take
3788         a bit away from input_shndx_ field.  Add set_is_func_symbol and
3789         is_ifunc_symbol functions.
3790         (class Sized_relobj): Update declarations.  Remove Tls_got_entry
3791         and Local_tls_got_offsets.  Define Local_plt_offsets.  Add
3792         local_plt_offsets_ field.
3793         (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3794         * output.h (class Output_section_data): Add non-const
3795         output_section function.
3796         (class Output_data_got): Update declarations.
3797         (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3798         Add use_plt_offset parameter to global and local constructors.
3799         Change all callers.  Change local_sym_index_ field to 31 bits.
3800         Change GSYM_CODE and CONSTANT_CODE accordingly.
3801         * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3802         doing a static link don't set sh_link field.
3803         (Output_data_got::Got_entry::write): Use PLT offset if
3804         appropriate.
3805         (Output_data_got::add_global_plt): New function.
3806         (Output_data_got::add_local_plt): New function.
3807         * target-reloc.h (relocate_section): Handle IFUNC symbol.
3808         * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3809         __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3810         * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3811         * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3812         IFUNC conditional.
3813         * testsuite/ifunc-sel.h: New file.
3814         * testsuite/ifuncmain1.c: New file.
3815         * testsuite/ifuncmain1vis.c: New file.
3816         * testsuite/ifuncmod1.c: New file.
3817         * testsuite/ifuncdep2.c: New file.
3818         * testsuite/ifuncmain2.c: New file.
3819         * testsuite/ifuncmain3.c: New file.
3820         * testsuite/ifuncmod3.c: New file.
3821         * testsuite/ifuncmain4.c: New file.
3822         * testsuite/ifuncmain5.c: New file.
3823         * testsuite/ifuncmod5.c: New file.
3824         * testsuite/ifuncmain6pie.c: New file.
3825         * testsuite/ifuncmod6.c: New file.
3826         * testsuite/ifuncmain7.c: New file.
3827         * configure, testsuite/Makefile.in: Rebuild.
3828
3829 2010-08-18  Ian Lance Taylor  <iant@google.com>
3830
3831         * incremental.cc
3832         (Output_section_incremental_inputs::write_input_files): Add cast
3833         to avoid signed/unsigned comparison warning.
3834         (Output_section_incremental_inputs::write_info_blocks): Likewise.
3835
3836 2010-08-12  Cary Coutant  <ccoutant@google.com>
3837
3838         * common.cc (Sort_commons::operator()): Remove unnecessary code.
3839
3840 2010-08-13  Ian Lance Taylor  <iant@google.com>
3841
3842         * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3843
3844 2010-08-12  Cary Coutant  <ccoutant@google.com>
3845             Doug Kwan  <dougkwan@google.com>
3846
3847         * resolve.cc (Symbol_table::should_override): When a weak dynamic
3848         defintion overrides non-weak undef, remember that the original undef
3849         is not weak.
3850         * symtab.cc (Symbol_table::sized_write_global): For undef without
3851         an original weak binding, set binding to global in output.
3852         * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3853         * testsuite/Makefile.in: Regenerate.
3854         * testsuite/strong_ref_weak_def.sh: New file.
3855         * testsuite/strong_ref_weak_def_1.c: Ditto.
3856         * testsuite/strong_ref_weak_def_2.c: Ditto.
3857
3858 2010-08-12  Cary Coutant  <ccoutant@google.com>
3859
3860         * testsuite/incremental_test.sh: Rewrite.
3861         * testsuite/incremental_test_1.c: Rewrite.
3862         * testsuite/incremental_test_2.c: Rewrite.
3863
3864 2010-08-12  Cary Coutant  <ccoutant@google.com>
3865
3866         * arm.cc (Target_arm::got_size): Add const.
3867         (Target_arm::got_entry_count): New function.
3868         (Target_arm::plt_entry_count): New function.
3869         (Target_arm::first_plt_entry_offset): New function.
3870         (Target_arm::plt_entry_size): New function.
3871         (Output_data_plt_arm::entry_count): New function.
3872         (Output_data_plt_arm::first_plt_entry_offset): New function.
3873         (Output_data_plt_arm::get_plt_entry_size): New function.
3874         * i386.cc (Target_i386::got_size): Add const.
3875         (Target_i386::got_entry_count): New function.
3876         (Target_i386::plt_entry_count): New function.
3877         (Target_i386::first_plt_entry_offset): New function.
3878         (Target_i386::plt_entry_size): New function.
3879         (Output_data_plt_i386::entry_count): New function.
3880         (Output_data_plt_i386::first_plt_entry_offset): New function.
3881         (Output_data_plt_i386::get_plt_entry_size): New function.
3882         * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3883         find_incremental_inputs_sections.  Dump incremental_got_plt section.
3884         * incremental.cc: Include target.h.
3885         (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3886         parameter.  Adjust all callers.  Find incremental_got_plt section.
3887         (Incremental_inputs::create_data_sections): Create incremental_got_plt
3888         section.
3889         (Output_section_incremental_inputs::set_final_data_size): Calculate
3890         size of incremental_got_plt section.
3891         (Output_section_incremental_inputs::do_write): Write the
3892         incremental_got_plt section.
3893         (Got_plt_view_info): New struct.
3894         (Local_got_offset_visitor): New class.
3895         (Global_got_offset_visitor): New class.
3896         (Global_symbol_visitor_got_plt): New class.
3897         (Output_section_incremental_inputs::write_got_plt): New function.
3898         * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3899         Add parameter.  Adjust all callers.
3900         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3901         (Incremental_inputs::got_plt_section): New function.
3902         (Incremental_inputs::got_plt_section_): New data member.
3903         (Incremental_got_plt_reader): New class.
3904         * layout.cc (Layout::create_incremental_info_sections): Add the
3905         incremental_got_plt section.
3906         * object.h (Got_offset_list::get_list): New function.
3907         (Got offset_list::for_all_got_offsets): New function.
3908         (Sized_relobj::local_got_offset_list): New function.
3909         * powerpc.cc (Target_powerpc::got_size): Add const.
3910         (Target_powerpc::got_entry_count): New function.
3911         (Target_powerpc::plt_entry_count): New function.
3912         (Target_powerpc::first_plt_entry_offset): New function.
3913         (Target_powerpc::plt_entry_size): New function.
3914         (Output_data_plt_powerpc::entry_count): New function.
3915         (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3916         (Output_data_plt_powerpc::get_plt_entry_size): New function.
3917         * sparc.cc (Target_sparc::got_size): Add const.
3918         (Target_sparc::got_entry_count): New function.
3919         (Target_sparc::plt_entry_count): New function.
3920         (Target_sparc::first_plt_entry_offset): New function.
3921         (Target_sparc::plt_entry_size): New function.
3922         (Output_data_plt_sparc::entry_count): New function.
3923         (Output_data_plt_sparc::first_plt_entry_offset): New function.
3924         (Output_data_plt_sparc::get_plt_entry_size): New function.
3925         * symtab.h (Symbol::got_offset_list): New function.
3926         (Symbol_table::for_all_symbols): New function.
3927         * target.h (Sized_target::got_entry_count): New function.
3928         (Sized_target::plt_entry_count): New function.
3929         (Sized_target::plt_entry_size): New function.
3930         * x86_64.cc (Target_x86_64::got_size): Add const.
3931         (Target_x86_64::got_entry_count): New function.
3932         (Target_x86_64::plt_entry_count): New function.
3933         (Target_x86_64::first_plt_entry_offset): New function.
3934         (Target_x86_64::plt_entry_size): New function.
3935         (Output_data_plt_x86_64::entry_count): New function.
3936         (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3937         (Output_data_plt_x86_64::get_plt_entry_size): New function.
3938
3939 2010-08-12  Cary Coutant  <ccoutant@google.com>
3940
3941         * archive.cc: Include incremental.h.
3942         (Archive::Archive): Initialize incremental_info_.
3943         (Archive::include_member): Record archive members in incremental info.
3944         (Add_archive_symbols::run): Record begin and end of an archive in
3945         incremental info.
3946         (Lib_group::include_member): Record objects in incremental info.
3947         * archive.h (Incremental_archive_entry): Forward declaration.
3948         (Archive::set_incremental_info): New member function.
3949         (Archive::incremental_info): New member function.
3950         (Archive::Unused_symbol_iterator): New class.
3951         (Archive::unused_symbols_begin): New member function.
3952         (Archive::unused_symbols_end): New member function.
3953         (Archive::incremental_info_): New data member.
3954         * incremental-dump.cc (find_input_containing_global): New function.
3955         (dump_incremental_inputs): Dump new incremental info sections.
3956         * incremental.cc: Include symtab.h.
3957         (Output_section_incremental_inputs): New class.
3958         (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3959         new incremental info sections.
3960         (Sized_incremental_binary::do_check_inputs): Likewise.
3961         (Incremental_inputs::report_archive): Remove.
3962         (Incremental_inputs::report_archive_begin): New function.
3963         (Incremental_inputs::report_archive_end): New function.
3964         (Incremental_inputs::report_object): New function.
3965         (Incremental_inputs::finalize_inputs): Remove.
3966         (Incremental_inputs::report_input_section): New function.
3967         (Incremental_inputs::report_script): Rewrite.
3968         (Incremental_inputs::finalize): Do nothing but finalize string table.
3969         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3970         (Incremental_inputs::sized_create_inputs_section_data): Remove.
3971         (Incremental_inputs::create_data_sections): New function.
3972         (Incremental_inputs::relocs_entsize): New function.
3973         (Output_section_incremental_inputs::set_final_data_size): New function.
3974         (Output_section_incremental_inputs::do_write): New function.
3975         (Output_section_incremental_inputs::write_header): New function.
3976         (Output_section_incremental_inputs::write_input_files): New function.
3977         (Output_section_incremental_inputs::write_info_blocks): New function.
3978         (Output_section_incremental_inputs::write_symtab): New function.
3979         * incremental.h (Incremental_script_entry): Forward declaration.
3980         (Incremental_object_entry): Forward declaration.
3981         (Incremental_archive_entry): Forward declaration.
3982         (Incremental_inputs): Forward declaration.
3983         (Incremental_inputs_header_data): Remove.
3984         (Incremental_inputs_header): Remove.
3985         (Incremental_inputs_header_write): Remove.
3986         (Incremental_inputs_entry_data): Remove.
3987         (Incremental_inputs_entry): Remove.
3988         (Incremental_inputs_entry_write): Remove.
3989         (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3990         (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3991         (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3992         (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3993         Likewise.
3994         (Incremental_input_entry): New class.
3995         (Incremental_script_entry): New class.
3996         (Incremental_object_entry): New class.
3997         (Incremental_archive_entry): New class.
3998         (Incremental_inputs::Incremental_inputs): Initialize new data members.
3999         (Incremental_inputs::report_inputs): Remove.
4000         (Incremental_inputs::report_archive): Remove.
4001         (Incremental_inputs::report_archive_begin): New function.
4002         (Incremental_inputs::report_archive_end): New function.
4003         (Incremental_inputs::report_object): Change prototype.
4004         (Incremental_inputs::report_input_section): New function.
4005         (Incremental_inputs::report_script): Change prototype.
4006         (Incremental_inputs::get_reloc_count): New function.
4007         (Incremental_inputs::set_reloc_count): New function.
4008         (Incremental_inputs::create_data_sections): New function.
4009         (Incremental_inputs::create_incremental_inputs_section_data): Remove.
4010         (Incremental_inputs::inputs_section): New function.
4011         (Incremental_inputs::symtab_section): New function.
4012         (Incremental_inputs::relocs_section): New function.
4013         (Incremental_inputs::get_stringpool): Add const.
4014         (Incremental_inputs::command_line): Add const.
4015         (Incremental_inputs::inputs): Remove.
4016         (Incremental_inputs::command_line_key): New function.
4017         (Incremental_inputs::input_file_count): New function.
4018         (Incremental_inputs::input_files): New function.
4019         (Incremental_inputs::relocs_entsize): New function.
4020         (Incremental_inputs::sized_create_inputs_section_data): Remove.
4021         (Incremental_inputs::finalize_inputs): Remove.
4022         (Incremental_inputs::Input_info): Remove.
4023         (Incremental_inputs::lock_): Remove.
4024         (Incremental_inputs::inputs_): Change type.
4025         (Incremental_inputs::inputs_map_): Remove.
4026         (Incremental_inputs::current_object_entry_): New data member.
4027         (Incremental_inputs::inputs_section_): New data member.
4028         (Incremental_inputs::symtab_section_): New data member.
4029         (Incremental_inputs::relocs_section_): New data member.
4030         (Incremental_inputs::reloc_count_): New data member.
4031         (Incremental_inputs_reader): New class.
4032         (Incremental_symtab_reader): New class.
4033         (Incremental_relocs_reader): New class.
4034         * layout.cc (Layout::finalize): Move finalization of incremental info
4035         and creation of incremental info sections to follow finalization of
4036         symbol table.  Set offsets for postprocessing sections.
4037         (Layout::create_incremental_info_sections): Call
4038         Incremental_inputs::create_data_sections.  Add incremental symtab
4039         and relocs sections.  Set sh_entsize and sh_link fields.  Arrange for
4040         sections to layout after input sections.
4041         * layout.h (struct Timespec): Forward declaration.
4042         (Layout::incremental_inputs): Add const.
4043         (Layout::create_incremental_info_sections): Add parameter.
4044         * main.cc (main): Remove call to Incremental_inputs::report_inputs.
4045         * object.cc: Include incremental.h.
4046         (Relobj::finalize_incremental_relocs): New function.
4047         (Sized_relobj::do_layout): Record input sections in incremental info.
4048         * object.h (Object::output_section): New function.
4049         (Object::output_section_offset): Moved from Relobj.
4050         (Object::get_incremental_reloc_base): New function.
4051         (Object::get_incremental_reloc_count): New function.
4052         (Object::do_output_section): New function.
4053         (Object::do_output_section_offset): Moved from Relobj.
4054         (Object::do_get_incremental_reloc_base): New function.
4055         (Object::do_get_incremental_reloc_count): New function.
4056         (Object::Object): Initialize new data members.
4057         (Relobj::output_section): Renamed do_output_section and moved to
4058         protected.
4059         (Relobj::output_section_offset): Moved to Object.
4060         (Relobj::do_get_incremental_reloc_base): New function.
4061         (Relobj::do_get_incremental_reloc_count): New function.
4062         (Relobj::allocate_incremental_reloc_counts): New function.
4063         (Relobj::count_incremental_reloc): New function.
4064         (Relobj::finalize_incremental_relocs): New function.
4065         (Relobj::next_incremental_reloc_index): New function.
4066         (Relobj::reloc_counts_): New data member.
4067         (Relobj::reloc_bases_): New data member.
4068         (Sized_relobj::do_relocate_sections): Add parameter.  Change caller.
4069         (Sized_relobj::relocate_sections): Add parameter.  Change all callers.
4070         (Sized_relobj::incremental_relocs_scan): New function.
4071         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4072         (Sized_relobj::incremental_relocs_write): New function.
4073         (Sized_relobj::incremental_relocs_write_reltype): New function.
4074         * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
4075         incremental link.
4076         * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
4077         archives and object files elsewhere.
4078         (Add_symbols::run): Report object files here.
4079         (Finish_group::run): Report end of archive at end of group.
4080         * reloc.cc: Include layout.h, incremental.h.
4081         (Sized_relobj::do_read_relocs): Need relocations for incremental link.
4082         (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
4083         (Sized_relobj::incremental_relocs_scan): New function.
4084         (Sized_relobj::incremental_relocs_scan_reltype): New function.
4085         (Sized_relobj::do_relocate_sections): Write incremental relocations.
4086         (Sized_relobj::incremental_relocs_write): New function.
4087         (Sized_relobj::incremental_relocs_write_reltype): New function.
4088         * script.cc (read_input_script): Rewrite test for incremental link.
4089         Change call to Incremental_inputs::report_script.
4090         * symtab.h (Symbol_table::first_global_index): New function.
4091         (Symbol_table::output_count): New function.
4092
4093 2010-08-12  Doug Kwan  <dougkwan@google.com>
4094
4095         * arm.cc (Target_arm::merge_object_attributes): Check command line
4096         options --no-wchar-size-warning and --no-enum-size-warning.
4097         * options.h (General_options): Add ld-compatible options
4098         --no-enum-size-warning and --no-wchar-size-warning.
4099
4100 2010-08-04  Ian Lance Taylor  <iant@google.com>
4101
4102         * x86_64.cc (Target_x86_64::Scan::local): Use
4103         R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
4104         R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
4105         (Target_x86_64::Scan::global): Likewise.
4106         (Target_x86_64::Relocate::relocate): Likewise.
4107         (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
4108         Likewise.
4109
4110 2010-08-03  Cary Coutant  <ccoutant@google.com>
4111
4112         * merge.cc (Output_merge_string::do_add_input_section): Count strings
4113         to reserve space in merged_strings vector. Keep total input size
4114         for stats.
4115         (Output_merge_string::do_print_merge_stats): Print total input size.
4116         * merge.h (Output_merge_string): Add input_size_ field.
4117         * stringpool.cc (Stringpool_template::string_length): Move
4118         implementations out of Stringpool_template class and place in
4119         stringpool.h.
4120         * stringpool.h (string_length): Move out of Stringpool_template.
4121
4122 2010-08-03  Ian Lance Taylor  <iant@google.com>
4123
4124         PR 11712
4125         * layout.cc (relaxation_loop_body): If address of load segment is
4126         set, adjust address to include headers if possible.
4127
4128 2010-08-03  Ian Lance Taylor  <iant@google.com>
4129
4130         * version.cc (version_string): Bump to 1.10.
4131
4132 2010-08-03  Ian Lance Taylor  <iant@google.com>
4133
4134         PR 11805
4135         * layout.h (enum Output_section_order): Define.
4136         (class Layout): Update declarations.
4137         * layout.cc (Layout::get_output_section): Add order parameter.
4138         Remove is_interp, is_dynamic_linker_section, is_last_relro, and
4139         is_first_non_relro parameters.  Change all callers.
4140         (Layout::choose_output_section): Likewise.
4141         (Layout::add_output_section_data): Likewise.
4142         (Layout::make_output_section): Likewise.  Set order.
4143         (Layout::default_section_order): New function.
4144         (Layout::layout_eh_frame): Call add_output_section_to_nonload.
4145         * output.cc (Output_section::Output_section): Initialize order_.
4146         Don't initialize deleted fields.
4147         (Output_segment::Output_segment): Don't initialize deleted
4148         fields.
4149         (Output_segment::add_output_section_to_load): New function
4150         replacing add_output_section.  Change all callers to call this or
4151         add_output_section_to_nonload.
4152         (Output_segment::add_output_section_to_nonload): New function.
4153         (Output_segment::remove_output_section): Rewrite.
4154         (Output_segment::add_initial_output_data): Likewise.
4155         (Output_segment::has_any_data_sections): Likewise.
4156         (Output_segment::is_first_section_relro): Likewise.
4157         (Output_segment::maximum_alignment): Likewise.
4158         (Output_segment::has_dynamic_reloc): New function replacing
4159         dynamic_reloc_count.  Change all callers.
4160         (Output_segment::has_dynamic_reloc_list): New function replacing
4161         dynamic_reloc_count_list.  Change all callers.
4162         (Output_segment::set_section_addresses): Rewrite.
4163         (Output_segment::set_offset): Rewrite.
4164         (Output_segment::find_first_and_last_list): Remove.
4165         (Output_segment::set_tls_offsets): Rewrite.
4166         (Output_segment::first_section_load_address): Likewise.
4167         (Output_segment::output_section_count): Likewise.
4168         (Output_segment::section_with_lowest_load_address): Likewise.
4169         (Output_segment::write_section_headers): Likewise.
4170         (Output_segment::print_sections_to_map): Likewise.
4171         * output.h (class Output_data): Remove dynamic_reloc_count_
4172         field.  Add has_dynamic_reloc_ field.  Make bools into bitfields.
4173         (Output_data::add_dynamic_reloc): Rewrite.
4174         (Output_data::has_dynamic_reloc): New function.
4175         (Output_data::dynamic_reloc_count): Remove.
4176         (class Output_section): Add order_ field.  Remvoe is_relro_local_,
4177         is_last_relro_, is_first_non_relro_, is_interp_,
4178         is_dynamic_linker_section_ fields.  Add order and set_order
4179         functions.  Remove is_relro_local, set_is_relro_local,
4180         is_last_relro, set_is_last_relro, is_first_non_relro,
4181         set_is_first_non_relro functions, is_interp, set_is_interp,
4182         is_dynamic_linker_section, and set_is_dynamic_linker_section
4183         functions.
4184         (class Output_segment): Change Output_data_list from std::list to
4185         std:;vector.  Add output_lists_ field.  Remove output_data_ and
4186         output_bss_ fields.  Update declarations.
4187
4188 2010-08-02  Ian Lance Taylor  <iant@google.com>
4189
4190         * arm.cc (Target_arm::gc_process_relocs): Use typename.
4191         * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
4192         * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
4193
4194 2010-08-02  Ian Lance Taylor  <iant@google.com>
4195
4196         PR 11855
4197         * script.cc (Script_options::Script_options): Initialize
4198         symbol_definitions_ and symbol_references_.
4199         (Script_options::add_symbol_assignment): Update
4200         symbol_definitions_ and symbol_references_.
4201         (Script_options::add_symbol_reference): New function.
4202         (script_symbol): New function.
4203         * script.h (class Script_options): Add symbol_definitions_ and
4204         symbol_references_ fields.
4205         (Script_options::referenced_const_iterator): New type.
4206         (Script_options::referenced_begin): New function.
4207         (Script_options::referenced_end): New function.
4208         (Script_options::is_referenced): New function.
4209         (Script_options::any_unreferenced): New function.
4210         * script-c.h (script_symbol): Declare.
4211         * yyscript.y (exp): Call script_symbol.
4212         * symtab.cc: Include "script.h".
4213         (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
4214         Change all callers.  Check symbols referenced by scripts.
4215         (Symbol_table::add_undefined_symbols_from_command_line): Add
4216         layout parameter.  Change all callers.
4217         (Symbol_table::do_add_undefined_symbols_from_command_line):
4218         Likewise.  Break out loop body.  Check symbols referenced by
4219         scripts.
4220         (Symbol_table::add_undefined_symbol_from_command_line): New
4221         function broken out of
4222         do_add_undefined_symbols_from_command_line.
4223         * symtab.h (class Symbol_table): Update declarations.
4224         * archive.cc: Include "layout.h".
4225         (Archive::should_include_member): Add layout parameter.  Change
4226         all callers.  Check for symbol mentioned in expression.
4227         * archive.h (class Archive): Update declaration.
4228         * object.cc (Sized_relobj::do_should_include_member): Add layout
4229         parameter.
4230         * object.h (Object::should_include_member): Add layout parameter.
4231         Change all callers.
4232         (Object::do_should_include_member): Add layout parameter.
4233         (class Sized_relobj): Update declaration.
4234         * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
4235         parameter.
4236         * dynobj.h (class Sized_dynobj): Update declaration.
4237         * plugin.cc (Sized_pluginobj::do_should_include_member): Add
4238         layout parameter.
4239         * plugin.h (class Sized_pluginobj): Update declaration.
4240
4241 2010-08-02  Ian Lance Taylor  <iant@google.com>
4242
4243         PR 11866
4244         * output.cc (Output_segment::set_offset): Search for the first and
4245         last sections rather than assuming that the list is in order.
4246         (Output_segment::find_first_and_last_list): New function.
4247         * output.h (class Output_segment): Update declarations.
4248         * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
4249         (relro_strip_test_SOURCES): New variable.
4250         (relro_strip_test_DEPENDENCIES): New variable.
4251         (relro_strip_test_LDFLAGS): New variable.
4252         (relro_strip_test_LDADD): New variable.
4253         (relro_strip_test.so): New target.
4254
4255 2010-08-02  Ian Lance Taylor  <iant@google.com>
4256
4257         * i386.cc (class Target_i386): Add got_tlsdesc_ field.
4258         (Target_i386::Target_i386):: Initialize got_tlsdesc_.
4259         (Target_i386::got_tlsdesc_section): New function.
4260         (Target_i386::got_section): Create space for GOT entries for
4261         TLSDESC relocations.
4262         (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
4263         R_386_TLS_GOTDESC.
4264         (Target_i386::Scan::global): Likewise.
4265         (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
4266         using TLSDESC GOT.
4267         * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
4268         (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
4269         (Target_x86_64::got_tlsdesc_section): New function.
4270         (Target_x86_64::got_section): Create space for GOT entries for
4271         TLSDESC relocations.
4272         (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
4273         R_386_TLS_GOTDESC.
4274         (Target_x86_64::Scan::global): Likewise.
4275         (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
4276         using TLSDESC GOT.
4277
4278 2010-08-02  Ian Lance Taylor  <iant@google.com>
4279
4280         * testsuite/final_layout.sh: Use dc to convert from hex to
4281         decimal.
4282
4283 2010-07-29  Sriraman Tallam  <tmsriram@google.com>
4284
4285         * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
4286         paramter to the call to gold::gc_process_relocs.
4287         * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
4288         paramter to the call to gold::gc_process_relocs.
4289         * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
4290         parameter to the call to gold::gc_process_relocs.
4291         * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
4292         template parameter to the call to gold::gc_process_relocs.
4293         * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
4294         paramter to the call to gold::gc_process_relocs.
4295         * gc.h (get_embedded_addend_size): New function.
4296         (gc_process_relocs): Save the size of the reloc for use by ICF.
4297         * icf.cc (get_section_contents): Get the addend from the text section
4298         for SHT_REL relocation sections.
4299         * icf.h (Icf::Reloc_addend_size_info): New typedef.
4300         (Icf::Reloc_info): Add new member reloc_addend_size_info.
4301         * int_encoding.h (read_from_pointer): New overloaded function.
4302         * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
4303         * testsuite/icf_sht_rel_addend_test.sh: New file.
4304         * testsuite/icf_sht_rel_addend_test_1.cc: New file.
4305         * testsuite/icf_sht_rel_addend_test_2.cc: New file.
4306
4307 2010-07-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4308
4309         * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
4310         * Makefile.in: Regenerate.
4311         * testsuite/Makefile.in: Regenerate.
4312
4313 2010-07-27  Jeffrey Yasskin  <jyasskin@google.com>
4314
4315         * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
4316         * gold/testsuite/debug_msg.cc: Likewise.
4317         * gold/testsuite/odr_violation1.cc
4318         * gold/testsuite/odr_violation2.cc
4319
4320 2010-07-21  Cary Coutant  <ccoutant@google.com>
4321
4322         * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
4323         string, and length fields.
4324         (Output_merge_string::Merged_strings_list): New type.
4325         (Output_merge_string::Merged_strings_lists): New typedef.
4326         (Output_merge_string): Replace merged_strings_ with
4327         merged_strings_lists_.
4328         * merge.cc (Output_merge_string::do_add_input_section): Allocate new
4329         Merged_strings_list per input object and section.  Don't store pointer
4330         to the string.  Don't store length with each merged string entry.
4331         (Output_merge_string::finalize_merged_data): Loop over list of merged
4332         strings lists.  Recompute length of each merged string.
4333
4334 2010-07-15  Cary Coutant  <ccoutant@google.com>
4335
4336         * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
4337         here.
4338
4339 2010-07-14  Ian Lance Taylor  <iant@google.com>
4340
4341         * descriptors.cc (Descriptors::open): Report correct name in error
4342         message.
4343
4344 2010-07-13  Doug Kwan  <dougkwan@google.com>
4345
4346         * arm.cc (Arm_input_section::Arm_input_section): For a
4347         SHT_ARM_EXIDX section, always keeps the input sections.
4348         (Arm_input_section::set_exidx_section_link): New method.
4349         (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
4350         has_errors_ to false.
4351         (Arm_exidx_input_section::has_errors,
4352         Arm_exidx_input_section::set_has_errors): New methods.
4353         (Arm_exidx_input_section::has_errors_): New data member.
4354         (Arm_relobj::get_exidx_shndx_list): New method.
4355         (Arm_output_section::append_text_sections_to_list): Do not skip
4356         section without SHF_EXECINSTR.
4357         (Arm_output_section::fix_exidx_coverage): Skip input sections with
4358         errors.
4359         (Arm_relobj::make_exidx_input_section): Add new parameter for text
4360         section header.  Make error messages more verbose.  Check for
4361         a non-executable section linked to an EXIDX section.
4362         (Arm_relobj::do_read_symbols): Remove error checking, which has been
4363         moved to Arm_relobj::make_exidx_input_section.  Add an assertion to
4364         check that there is no deferred EXIDX section if we exit early.
4365         Instead of not making an EXIDX section in case of an error, make one
4366         and set the has_errors flag of it.
4367         (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
4368         in a relocatable link.
4369         (Target_arm::do_relax): Look for the EXIDX output section instead of
4370         assuming that it is called .ARM.exidx.
4371         (Target_arm::fix_exidx_coverage): Add a new parameter for input
4372         section list.  Do not check for SHF_EXECINSTR section flags but
4373         skip any input section with errors.
4374         * output.cc (Output_section::Output_section): Initialize
4375         always_keeps_input_sections_ to false.
4376         (Output_section::add_input_section): Check for
4377         always_keeps_input_sections_.
4378         *  output.h (Output_section::always_keeps_input_sections,
4379         Output_section::set_always_keeps_input_sections): New methods.
4380         (Output_section::always_keeps_input_sections): New data member.
4381
4382 2010-07-13  Rafael Espindola  <espindola@google.com>
4383
4384         * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
4385         * fileread.h (Input_file): Add try_extra_search_path and find_file.
4386
4387 2010-07-13  Philip Herron  <herron.philip@googlemail.com>
4388             Ian Lance Taylor  <iant@google.com>
4389
4390         * output.h (Output_section_lookup_maps::add_merge_section):
4391         Correct check of whether value was inserted.
4392         (Output_section_lookup_maps::add_merge_input_section): Likewise.
4393         (Output_section_lookup_maps::add_relaxed_input_section):
4394         Likewise.
4395         * arm.cc (Target_arm::got_section): Remove used local os.
4396         * i386.cc (Target_i386::got_section): Likewise.
4397         * x86_64.cc (Target_x86_64::got_section): Likewise.
4398         * sparc.cc (Target_sparc::got_section): Likewise.
4399         (Target_sparc::relocate): Remove unused local have_got_offset.
4400         * powerpc.cc (Target_powerpc::relocate): Likewise.
4401
4402 2010-07-13  Ian Lance Taylor  <iant@google.com>
4403
4404         * compressed_output.cc (zlib_decompress): Fix signature in
4405         !HAVE_ZLIB_H case.
4406
4407         * archive.cc (Archive::include_member): Unlock an external member
4408         of a thin archive.  Don't bother to delete an object we know is
4409         NULL.
4410
4411 2010-07-12  Cary Coutant  <ccoutant@google.com>
4412
4413         * compressed_output.cc (zlib_decompress): New function.
4414         (get_uncompressed_size): New function.
4415         (decompress_input_section): New function.
4416         * compressed_output.h (get_uncompressed_size): New function.
4417         (decompress_input_section): New function.
4418         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
4419         Handle compressed debug sections.
4420         * layout.cc (is_compressed_debug_section): New function.
4421         (Layout::output_section_name): Map compressed section names to
4422         canonical names.
4423         * layout.h (is_compressed_debug_section): New function.
4424         (is_debug_info_section): Recognize compressed debug sections.
4425         * merge.cc: Include compressed_output.h.
4426         (Output_merge_data::do_add_input_section): Handle compressed
4427         debug sections.
4428         (Output_merge_string::do_add_input_section): Handle compressed
4429         debug sections.
4430         * object.cc: Include compressed_output.h.
4431         (Sized_relobj::Sized_relobj): Initialize new data members.
4432         (build_compressed_section_map): New function.
4433         (Sized_relobj::do_read_symbols): Handle compressed debug sections.
4434         * object.h (Object::section_is_compressed): New method.
4435         (Object::do_section_is_compressed): New method.
4436         (Sized_relobj::Compressed_section_map): New type.
4437         (Sized_relobj::do_section_is_compressed): New method.
4438         (Sized_relobj::compressed_sections_): New data member.
4439         * output.cc (Output_section::add_input_section): Handle compressed
4440         debug sections.
4441         * reloc.cc: Include compressed_output.h.
4442         (Sized_relobj::write_sections): Handle compressed debug sections.
4443
4444 2010-07-08  Cary Coutant  <ccoutant@google.com>
4445
4446         * resolve.cc (Symbol_table::resolve): Remember whether undef was
4447         weak when resolving to a dynamic def.
4448         (Symbol_table::should_override): Add adjust_dyndef flag; set it
4449         for weak undef/dynamic def cases. Adjust callers.
4450         * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
4451         undef_binding_weak_.
4452         (Symbol_table::sized_write_globals): Adjust symbol binding.
4453         (Symbol_table::sized_write_symbol): Add binding parameter.
4454         * symtab.h (Symbol::set_undef_binding): New method.
4455         (Symbol::is_undef_binding_weak): New method.
4456         (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
4457         (Symbol_table::should_override): Add new parameter.
4458         (Symbol_table::sized_write_symbol): Add new parameter.
4459
4460         * testsuite/weak_undef_file1.cc: Add new test case.
4461         * testsuite/weak_undef_file2.cc: Fix header comment.
4462         * testsuite/weak_undef_test.cc: Add new test case.
4463
4464 2010-06-29  Doug Kwan  <dougkwan@google.com>
4465
4466         * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
4467         Initialize USE_SYMBOL_.
4468         * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
4469         definition.
4470         (Arm_reloc_property::uses_symbol_): New data member declaration.
4471         * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
4472         uses symbol value and symbol is undefined but not weakly undefined.
4473
4474 2010-06-28  Rafael Espindola  <espindola@google.com>
4475
4476         * plugin.cc (Plugin::load): Use dlerror.
4477
4478 2010-06-26  Jeffrey Yaskin  <jyasskin@google.com>
4479
4480         * symtab.cc (detect_odr_violations): When reporting an ODR
4481         violation, report an object where the symbol is defined.
4482
4483 2010-06-25  Doug Kwan  <dougkwan@google.com>
4484
4485         * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4486         (Target_arm::section_may_have_icf_unsafe_pointers): New method
4487         definition.
4488         (Target_arm::Scan::local_reloc_may_be_function_pointer,
4489         Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
4490         target hook to detect function points.
4491         (Target_arm::Scan::possible_function_pointer_reloc): New method.
4492         * icf.h (Icf::check_section_for_function_pointers): Change type of
4493         parameter SECTION_NAME to const reference to std::string.  Use
4494         target hook to determine if section may have unsafe pointers.
4495         * target.h (Target::section_may_have_icf_unsafe_pointers): New
4496         method definition.
4497
4498 2010-06-21  Rafael Espindola  <espindola@google.com>
4499
4500         * fileread.cc (Input_file::find_fie): New
4501         (Input_file::open): Use Input_file::find_fie.
4502         * fileread.h (Input_file::find_fie): New
4503         * plugin.cc (set_extra_library_path): New.
4504         (Plugin::load): Add set_extra_library_path to the transfer vector.
4505         (Plugin_manager::set_extra_library_path): New.
4506         (Plugin_manager::add_input_file): Use the extra search path if set.
4507         (set_extra_library_path(): New.
4508         * plugin.h (Plugin_manager): Add set_extra_library_path and
4509         extra_search_path_.
4510
4511 2010-06-19  Cary Coutant  <ccoutant@google.com>
4512
4513         * layout.cc (gdb_sections): Add .debug_types.
4514         (lines_only_debug_sections): Likewise.
4515
4516 2010-06-18  Rafael Espindola  <espindola@google.com>
4517
4518         * plugin.cc (add_input_file,add_input_library)
4519         (Plugin_manager::add_input_file): Make filename arguments const.
4520         * plugin.h (Plugin_manager::add_input_file): Make filename arguments
4521         const.
4522
4523 2010-06-16  Doug Kwan  <dougkwan@google.com>
4524
4525         * arm.cc (Target_arm::do_finalize_sections): Do not emit an
4526         .ARM.attributes section if we have not merged any input
4527         attributes sections.
4528
4529 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4530
4531         * arm.cc: Allow combining objects with no EABI version
4532         information.
4533
4534 2010-06-15  Rafael Espindola  <espindola@google.com>
4535
4536         * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
4537
4538 2010-06-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4539
4540         * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
4541         (struct iovec): Correct !HAVE_READV definition.
4542
4543 2010-06-10  Cary Coutant  <ccoutant@google.com>
4544
4545         * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4546         (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4547         reloc sections.
4548         * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4549
4550         PR 11683
4551         * symtab.h (Symbol::is_placeholder): New member function.
4552         * target-reloc.h (relocate_section): Check for placeholder symbols.
4553
4554         * testsuite/Makefile.am (plugin_test_8): New test.
4555         (plugin_test_9): New test.
4556         * testsuite/Makefile.in: Regenerate.
4557
4558 2010-06-09  Nick Clifton  <nickc@redhat.com>
4559
4560         * yyscript.y (input_list_element): Allow strings prefixed with
4561         the '-' character.  Treat these as libraries.
4562         * script.cc (script_add_library): New function.  Adds a library
4563         specified by "-l<name>" found in an input script.
4564         * script-c.h: Add prototype for script_add_library.
4565
4566 2010-06-07  Doug Kwan  <dougkwan@google.com>
4567
4568         * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4569         Restrict stub-group size to be within long conditional branch
4570         range when working around cortex-A8 erratum.
4571
4572 2010-06-07  Damien Diederen  <dd@crosstwine.com>
4573
4574         * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4575         #ifdef typo.
4576
4577 2010-06-03  Sriraman Tallam  <tmsriram@google.com>
4578
4579         PR gold/11658
4580         * output.cc
4581         (Output_section::Input_section_sort_entry::compare_section_ordering):
4582         Change to return non-zero correctly.
4583         (Output_section::Input_section_sort_section_order_index_compare
4584         ::operator()): Change to fix ambiguity in comparisons.
4585
4586 2010-06-01  Sriraman Tallam  <tmsriram@google.com>
4587
4588         * gold.h (is_wildcard_string): New function.
4589         * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4590         (Layout::layout_eh_frame): Ditto.
4591         (Layout::find_section_order_index): New method.
4592         (Layout::read_layout_from_file): New method.
4593         * layout.h (Layout::find_section_order_index): New method.
4594         (Layout::read_layout_from_file): New method.
4595         (Layout::input_section_position_): New private member.
4596         (Layout::input_section_glob_): New private member.
4597         * main.cc (main): Call read_layout_from_file here.
4598         * options.h (--section-ordering-file): New option.
4599         * output.cc (Output_section::input_section_order_specified_): New
4600         member.
4601         (Output_section::Output_section): Initialize new member.
4602         (Output_section::add_input_section): Add new parameter.
4603         Keep input sections when --section-ordering-file is used.
4604         (Output_section::set_final_data_size): Sort input sections when
4605         section ordering file is specified.
4606         (Output_section::Input_section_sort_entry): Add new parameter.
4607         Check sorting type.
4608         (Output_section::Input_section_sort_entry::compare_section_ordering):
4609         New method.
4610         (Output_section::Input_section_sort_compare::operator()): Change to
4611         consider section_order_index.
4612         (Output_section::Input_section_sort_init_fini_compare::operator()):
4613         Change to consider section_order_index.
4614         (Output_section::Input_section_sort_section_order_index_compare
4615         ::operator()): New method.
4616         (Output_section::sort_attached_input_sections): Change to sort
4617         according to section order when specified.
4618         (Output_section::add_input_section<32, true>): Add new parameter.
4619         (Output_section::add_input_section<64, true>): Add new parameter.
4620         (Output_section::add_input_section<32, false>): Add new parameter.
4621         (Output_section::add_input_section<64, false>): Add new parameter.
4622         * output.h (Output_section::add_input_section): Add new parameter.
4623         (Output_section::input_section_order_specified): New
4624         method.
4625         (Output_section::set_input_section_order_specified): New method.
4626         (Input_section::Input_section): Initialize section_order_index_.
4627         (Input_section::section_order_index): New method.
4628         (Input_section::set_section_order_index): New method.
4629         (Input_section::section_order_index_): New member.
4630         (Input_section::Input_section_sort_section_order_index_compare): New
4631         struct.
4632         (Output_section::input_section_order_specified_): New member.
4633         * script-sections.cc (is_wildcard_string): Delete and move modified
4634         method to gold.h.
4635         (Output_section_element_input::Output_section_element_input): Modify
4636         call to is_wildcard_string.
4637         (Output_section_element_input::Input_section_pattern
4638         ::Input_section_pattern): Ditto.
4639         (Output_section_element_input::Output_section_element_input): Ditto.
4640         * testsuite/Makefile.am (final_layout): New test case.
4641         * testsuite/Makefile.in: Regenerate.
4642         * testsuite/final_layout.cc: New file.
4643         * testsuite/final_layout.sh: New file.
4644
4645 2010-06-01  Rafael Espindola  <espindola@google.com>
4646
4647         * plugin.cc (Plugin::load): Pass the output name to the plugin.
4648
4649 2010-06-01  Rafael Espindola  <espindola@google.com>
4650
4651         * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4652         visibility of symbols.
4653
4654 2010-05-27  Doug Kwan  <dougkwan@google.com>
4655
4656         * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4657         from start of output section instead of address for a local symbol
4658         in a merged or relaxed section when doing a relocatable link.
4659
4660 2010-05-26  Rafael Espindola  <espindola@google.com>
4661
4662        PR 11604
4663         * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4664         adding sections the garbage collector removed.
4665         * gold/testsuite/Makefile.am: Add test.
4666         * gold/testsuite/Makefile.in: Regenerate.
4667         * gold/testsuite/plugin_test_7.sh: New.
4668         * gold/testsuite/plugin_test_7_1.c: New.
4669         * gold/testsuite/plugin_test_7_2.c: New.
4670
4671 2010-05-26  Rafael Espindola  <espindola@google.com>
4672
4673         * script-sections.cc (Output_section_definition::set_section_addresses):
4674         Check for --section-start.
4675
4676 2010-05-26  Doug Kwan  <dougkwan@google.com>
4677
4678         * arm.cc (Arm_scan_relocatable_relocs): New class.
4679         (Target_arm::relocate_special_relocatable): New method.
4680         (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4681         (Arm_relocate_functions::thumb_branch_common): Same.
4682         (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4683         instead of Default_scan_relocatable_relocs.
4684         * target-reloc.h (relocate_for_relocatable): Let target handle
4685         relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4686         * target.h (Sized_target::relocate_special_relocatable): New method.
4687
4688 2010-05-25  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
4689
4690         * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4691
4692 2010-05-23  Doug Kwan  <dougkwan@google.com>
4693
4694         * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4695         instead of a cast.
4696         (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4697         with a direct branch, not a conditional branch, to a stub.
4698         * merge.cc (Output_merge_base::record_input_section): New method
4699         defintion.
4700         (Output_merge_data::do_add_input_section): Record input section if
4701         keeps-input-sections flag is set.
4702         (Output_merge_string::do_add_input_section): Ditto.
4703         * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4704         members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4705         INPUT_SECTIONS_.
4706         (Output_merge_base::keeps_input_sections,
4707         Output_merge_base::set_keeps_input_sections,
4708         Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4709         method definitions.
4710         (Output_merge_base::Input_sections): New type declaration.
4711         (Output_merge_base::input_sections_begin,
4712         Output_merge_base::input_sections_end,
4713         Output_merge_base::do_set_keeps_input_sections): New method definitions.
4714         (Output_merge_base::bool keeps_input_sections_,
4715         Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4716         Output_merge_base::input_sections_): New data members.
4717         (Output_merge_data::do_set_keeps_input_sections): New method
4718         defintion.
4719         (Output_merge_string::do_set_keeps_input_sections): Ditto.
4720         * output.cc (Output_section::Input_section::relobj): Move method
4721         defintion from class declaration to here and handle merge sections.
4722         (Output_section::Input_section::shndx): Ditto.
4723         (Output_section::Output_section): Remove initializations of removed
4724         data members and initialize new data member LOOKUP_MAPS_.
4725         (Output_section::add_input_section): Set keeps-input-sections flag
4726         for a newly created merge output section as appropriate.  Adjust code
4727         to use Output_section_lookup_maps class.
4728         (Output_section::add_relaxed_input_section): Adjst code for lookup
4729         maps code refactoring.
4730         (Output_section::add_merge_input_section): Add a new parameter
4731         KEEPS_INPUT_SECTION.  Adjust code to use Output_section_lookup_maps
4732         class.  If adding input section to a newly created merge output
4733         section fails, remove the new merge section.
4734         (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
4735         Adjust code for use of the Output_section_lookup_maps class.
4736         (Output_section::find_merge_section): Ditto.
4737         (Output_section::build_lookup_maps): New method defintion.
4738         (Output_section::find_relaxed_input_section): Adjust code to use
4739         Output_section_lookup_maps class.
4740         (Output_section::get_input_sections): Export merge sections.  Adjust
4741         code to use Output_section_lookup_maps class.
4742         (Output_section:::add_script_input_section): Adjust code to use
4743         Output_section_lookup_maps class.  Update lookup maps for merge
4744         sections also.
4745         (Output_section::discard_states): Use Output_section_lookup_maps.
4746         (Output_section::restore_states): Same.
4747         * output.h (Merge_section_properties): Move class defintion out of
4748         Output_section.
4749         (Output_section_lookup_maps): New class.
4750         (Output_section::Input_section::is_merge_section): New method
4751         defintion.
4752         (Output_section::Input_section::relobj): Move defintion out of class
4753         defintion.  Declare method only.
4754         (Output_section::Input_section::shndx): Ditto.
4755         (Output_section::Input_section::output_merge_base): New method defintion.
4756         (Output_section::Input_section::u2_.pomb): New union field.
4757         (Output_section::Merge_section_by_properties_map,
4758         Output_section::Output_section_data_by_input_section_map,
4759         Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4760         Remove types.
4761         (Output_section::add_merge_input_section): Add new parameter
4762         KEEPS_INPUT_SECTIONS.
4763         (Output_section::build_lookup_maps): New method declaration.
4764         (Output_section::merge_section_map_,
4765         Output_section::merge_section_by_properties_map_,
4766         Output_section::relaxed_input_section_map_,
4767         Output_section::is_relaxed_input_section_map_valid_): Remove data
4768         members.
4769         (Output_section::lookup_maps_): New data member.
4770
4771 2010-05-21  Doug Kwan  <dougkwan@google.com>
4772
4773         PR gold/11619
4774         * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4775         avoid a compilation error.
4776
4777 2010-05-19  Rafael Espindola  <espindola@google.com>
4778
4779         * script-sections.cc (Output_section_definition::allocate_to_segment):
4780         Update the phdrs_list even when the output section is NULL.
4781         * testsuite/Makefile.am: Add test.
4782         * testsuite/Makefile.in: Regenerate.
4783         * testsuite/script_test_9.cc: New.
4784         * testsuite/script_test_9.sh: New.
4785         * testsuite/script_test_9.t: New.
4786
4787 2010-05-19  Doug Kwan  <dougkwan@google.com>
4788
4789         * arm.cc (Arm_input_section::original_size): New method.
4790         (Arm_input_section::do_addralign): Add a cast.
4791         (Arm_input_section::do_output_offset): Remove static cast.
4792         (Arm_input_section::original_addralign,
4793          Arm_input_section::original_size_): Change type to uint32_t.
4794         (Arm_input_section::init): Add safe casts for section alignment
4795         and size.
4796         (Arm_input_section::set_final_data_size): Do not set address and
4797         offset of stub table.
4798         (Arm_output_section::fix_exidx_coverage): Change use of of
4799         Output_section::Simple_input_section to that of
4800         Output_section::Input_section.
4801         (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4802         except for the first pass.
4803         * output.cc (Output_section::get_input_sections): Change type of
4804         input_sections to std::list<Input_section>.
4805         (Output_section::add_script_input_section): Rename from
4806         Output_section::add_simple_input_section.  Change type of SIS
4807         parameter from Simple_input_section to Input_section.
4808         * output.h (Output_section::Simple_input_section): Remove class.
4809         (Output_section::Input_section): Change class visibility to public.
4810         (Output_section::Input_section::addralign): Use stored alignments
4811         for special input sections if set.
4812         (Output_section::Input_section::set_addralign): New method.
4813         (Output_section::get_input_sections): Change parameter type from
4814         list of Simple_input_section to list of Input_section.
4815         (Output_section::add_script_input_section): Rename from
4816         Output_section::add_simple_input_section. Change first parameter's
4817         type from Simple_input_section to Input_section and remove the
4818         second and third parameters.
4819         * script-sections.cc (Input_section::Input_section_list): Change
4820         type to list of Output_section::Input_section/
4821         (Input_section_info::Input_section_info): Change parameter type of
4822         INPUT_SECTION to Output_section::Input_section.
4823         (Input_section_info::input_section): Change return type.
4824         (Input_section_info::input_section_): Change type to
4825         Output_section::Input_section.
4826         (Output_section_element_input::set_section_addresses): Adjust code
4827         to use Output_section::Input_section instead of
4828         Output_section::Simple_input_section.  Adjust code for renaming
4829         of Output_section::add_simple_input_section.
4830         (Orphan_output_section::set_section_addresses): Ditto.
4831
4832 2010-05-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4833
4834         * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4835         when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4836
4837 2010-05-18  Rafael Espindola  <espindola@google.com>
4838
4839         * options.cc (General_options::finalize): Handle -nostdlib.
4840         * options.h (nostdlib): New option.
4841         * script.cc (script_add_search_dir): Handle -nostdlib.
4842
4843 2010-05-12  Doug Kwan  <dougkwan@google.com>
4844
4845         * arm.cc (Target_arm::do_finalize_sections): Create an empty
4846         attributes section only if there no attributes section after merging.
4847         (Target_arm::merge_object_attributes): Move value of
4848         Tag_MPextension_use_legacy to that of Tag_MPextension_use.
4849         Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4850         * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4851         (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4852         and arm_attr_merge_7.stdout.
4853         (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4854         arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4855         arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4856         arm_attr_merge_7b.o): New rules.
4857         (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4858         arm_attr_merge_7
4859         * testsuite/Makefile.in: Regenerate.
4860         * testsuite/arm_attr_merge.sh: New file.
4861         * testsuite/arm_attr_merge_[67][ab].s: Same.
4862
4863 2010-05-05  Nick Clifton  <nickc@redhat.com>
4864
4865         * po/es.po: Updated Spanish translation.
4866
4867 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4868
4869         * Makefile.am (install-exec-local): Properly install gold as
4870         default cross linker.
4871         * Makefile.in: Regenerated.
4872
4873 2010-04-27  H.J. Lu  <hongjiu.lu@intel.com>
4874             Nick Clifton  <nickc@redhat.com>
4875
4876         * configure.ac (install_as_default): Define and set to false
4877         unless --enable-gold or --enable-gold=both/gold has been
4878         specified.
4879         * configure: Regenerate.
4880
4881         * Makefile.am (install-exec-local): Install the executable as
4882         'ld.gold'.  If install_as_default is true then also install it as
4883         'ld'.
4884         * Makefile.in: Regenerated.
4885
4886 2010-04-24  Ian Lance Taylor  <iant@google.com>
4887
4888         * layout.cc (Layout::layout_reloc): In relocatable link don't
4889         combine reloc sections for grouped sections.
4890
4891 2010-04-23  Sriraman Tallam  <tmsriram@google.com>
4892
4893         * gc.h (gc_process_relocs): Pass information on relocs pointing to
4894         sections that are not ordinary to icf.
4895         * icf.cc (get_section_contents): Handle relocation pointing to section
4896         with no object or shndx information.
4897         * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4898         * testsuite/Makefile.in: Regenerate.
4899         * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4900         * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4901
4902 2010-04-22  Ian Lance Taylor  <iant@google.com>
4903
4904         * expression.cc (Expression::Expression_eval_info): Add
4905         result_alignment_pointer field.
4906         (Expression::eval_with_dot): Add result_alignment_pointer
4907         parameter.  Change all callers.
4908         (Expression::eval_maybe_dot): Likewise.
4909         (class Binary_expression): Add alignment_pointer parameter to
4910         left_value and right_value.  Change all callers.
4911         (BINARY_EXPRESSION): Set result alignment.
4912         (class Trinary_expression): Add alignment_pointer parameter to
4913         arg2_value and arg3_value.  Change all callers.
4914         (Trinary_cond::value): Set result alignment.
4915         (Max_expression::value, Min_expression::value): Likewise.
4916         (Align_expression::value): Likewise.
4917         * script-sections.cc (class Sections_element): Add dot_alignment
4918         parameter to set_section_addresses virtual function.  Update
4919         instantiations.
4920         (class Output_section_element): Likewise.
4921         (Script_sections::create_segments): Add dot_alignment parameter.
4922         Change all callers.
4923         (Script_sections::create_segments_from_phdrs_clause): Likewise.
4924         (Script_sections::set_phdrs_clause_addresses): Likewise.
4925         * script-sections.h: Update declarations.
4926         * script.h: Update declarations.
4927         * output.h (Output_segment::set_minimum_p_align): Don't decrease
4928         min_p_align.
4929         * testsuite/script_test_3.t: Set large alignment.
4930         * testsuite/script_test_3.sh: Make sure that at least one LOAD
4931         segment has expected alignment.
4932
4933 2010-04-22  Nick Clifton  <nickc@redhat.com>
4934
4935         * po/gold.pot: Updated by the Translation project.
4936         * po/vi.po: Updated Vietnamese translation.
4937
4938 2010-04-22  H.J. Lu  <hongjiu.lu@intel.com>
4939
4940         * testsuite/Makefile.am (check_PROGRAMS): Add
4941         icf_virtual_function_folding_test.
4942         * testsuite/Makefile.in: Regenerated.
4943
4944 2010-04-15  Andrew Haley  <aph@redhat.com>
4945
4946         * options.h (merge_exidx_entries): New option.
4947         * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4948         (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4949         (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4950         (Target_arm::merge_exidx_entries): New function.
4951         (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4952         (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4953         to Arm_exidx_fixup constructor.
4954         Add new arg, merge_exidx_entries.
4955         (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4956         Arm_output_section::fix_exidx_coverage.
4957
4958 2010-04-18  Sriraman Tallam  <tmsriram@google.com>
4959
4960         * icf.cc (get_section_contents): Check for preemptible functions.
4961         Ignore addend when appropriate.
4962         * symtab.cc (should_add_dynsym_entry): Add new parameter.  Check for
4963         section folded.
4964         (add_from_relobj): Check for section folded.
4965         (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4966         * symtab.h (should_add_dynsym_entry): Add new parameter.
4967         * target-reloc.h (scan_relocs): Check for section folded.
4968         * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4969         Check reloc types for function pointers in shared objects.
4970         * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4971         case.
4972         (icf_preemptible_functions_test): New test case.
4973         (icf_string_merge_test): New test case.
4974         * testsuite.Makefile.in: Regenerate.
4975         * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4976         bar_glob.  Refactor code.
4977         * testsuite/icf_preemptible_functions_test.cc: New file.
4978         * testsuite/icf_preemptible_functions_test.sh: New file.
4979         * testsuite/icf_string_merge_test.cc: New file.
4980         * testsuite/icf_string_merge_test.sh: New file.
4981         * testsuite/icf_virtual_function_folding_test.cc: New file.
4982         * testsuite/icf_virtual_function_folding_test.sh: New file.
4983
4984 2010-04-14  Doug Kwan  <dougkwan@google.com>
4985
4986         * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4987         for local symbol recounting if we remove a section due to ICF.
4988         * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4989         there are no regular objects in input.
4990
4991 2010-04-13  Doug Kwan  <dougkwan@google.com>
4992
4993         * arm.cc (Arm_input_section::set_final_data_size): Compute
4994         accurate final data size instead of using current data size.
4995
4996 2010-04-09  Doug Kwan  <dougkwan@google.com>
4997
4998         * layout.cc (Layout::choose_output_section): Handle script section
4999         types.
5000         (Layout::make_output_section_for_script): Add section type parameter.
5001         Handle script section types.
5002         * layout.h (Layout::make_output_section_for_script): Add section
5003         type parameter.
5004         * output.cc (Output_section::Output_section): Initialize data member
5005         is_noload_.
5006         (Output_section::do_reset_address_and_file_offset): Do not set address
5007         to 0 if section is a NOLOAD section.
5008         * output.h (Output_section::is_noload): New method.
5009         (Output_section::set_is_noload): Ditto.
5010         (Output_section::is_noload_): New data member.
5011         * script-c.h (Script_section_type): New enum type.
5012         (struct Parser_output_section_header): Add new file section_type.
5013         * script-sections.cc (Sections_element::output_section_name): Add
5014         parameter for returning script section type.
5015         (Output_section_definition::output_section_name): Ditto.
5016         (Output_section_definition::section_type)P; New method.
5017         (Output_section_definiton::script_section_type_name): Ditto.
5018         (Output_section_definition::script_section_type_): New data member.
5019         (Output_section_definition::Output_section_definition): Initialize
5020         data member Output_section_definition::script_section_type_.
5021         (Output_section_definition::create_sections): Pass script section type
5022         to Layout::make_output_section_for_script.
5023         (Output_section_definition::output_section_name): Return script
5024         section type to caller.
5025         (Output_section_definition::set_section_address): Do not advance
5026         dot value and load address if section type is NOLOAD.  Set address
5027         of NOLOAD sections regardless of section flags.
5028         (Output_section_definition::print): Print section type if it is
5029         not SCRIPT_SECTION_TYPE_NONE.
5030         (Output_section_definition::section_type): New method.
5031         (Output_section_definition::script_section_type_name): Ditto.
5032         (Script_sections::output_section_name): Add new parameter
5033         PSECTION_TYPE for returning script section type.  Pass it to
5034         section elements.  Handle discard sections.
5035         (Sort_output_sections::operator()): Handle NOLOAD sections.
5036         * script-sections.h (Script_sections::Section_type): New enum type.
5037         (Script_sections::output_section_name): Add a new parameter for
5038         returning script section type.
5039         * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
5040         INFO and NOLOAD.
5041         * yyscript.y (union): Add new field SECTION_TYPE.
5042         (COPY, DSECT, INFO, NOLOAD): New tokens.
5043         (opt_address_and_section_type): Change type to output_section_header.
5044         (section_type): New non-terminal
5045         (section_header): Handle section type.
5046         (opt_address_and_section_type): Return section type value.
5047
5048 2010-04-09  H.J. Lu  <hongjiu.lu@intel.com>
5049
5050         * testsuite/plugin_common_test_1.c (foo): Add prototype.
5051         * testsuite/plugin_common_test_2.c (foo): Likewise.
5052
5053 2010-04-08  Doug Kwan  <dougkwan@google.com>
5054
5055         * merge.cc (Output_merge_data::set_final_data_size): Handle empty
5056         Output_merge_data.
5057         * output.cc (Output_section::add_merge_input_section): Simplify
5058         code and return status of Output_merge_base::add_input_section.
5059         Update merge section map only if Output_merge_base::add_input_section
5060         returns true.
5061
5062 2010-04-07  Doug Kwan  <dougkwan@google.com>
5063
5064         * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
5065         if section is marked as containing instructions but has no mapping
5066         symbols.
5067         (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
5068         correct section index.
5069         (Arm_relobj::find_linked_text_section): Ditto.
5070
5071 2010-04-07  Cary Coutant  <ccoutant@google.com>
5072
5073         * archive.cc (include_member): Destroy Read_symbols_data object before
5074         releasing file.
5075         * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
5076         * object.h (Read_symbols_data::Read_symbols_data) New constructor.
5077         (Read_symbols_data::~Read_symbols_data) New destructor.
5078         (Section_relocs::Section_relocs) New constructor.
5079         (Section_relocs::~Section_relocs) New destructor.
5080         (Read_relocs_data::Read_relocs_data) New constructor.
5081         (Read_relocs_data::~Read_relocs_data) New destructor.
5082         * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
5083         pointers to NULL after deleting.
5084
5085 2010-04-07  Doug Kwan  <dougkwan@google.com>
5086
5087         * arm.cc: Replace "endianity" with "endianness" in comments.
5088         (Arm_exidx_cantunwind): Ditto.
5089         (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
5090         (Arm_relobj::merge_flags_and_attributes): New method.
5091         (Arm_relobj::merge_flags_and_attributes_): New data member.
5092         (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
5093         (Arm_relobj::scan_sections_for_stubs): Ditto.
5094         (Arm_relobj::do_read_symbols): Check to see if we really want to
5095         merge processor-specific flags and attributes.  Exit early if
5096         an object is empty except for section names and the undefined symbol.
5097         (Target_arm::do_finalize_sections): Move check for ELF format to
5098         Arm_relobj::do_read_symbols.  Merge processor specific flags and
5099         attributes from a regular object only when we have determined that
5100         it is aapropriate.  Do not create an .ARM.attributes section in
5101         output if there is no regular input object.
5102         (Target_arm::merge_processor_specific_flags): Check
5103         --warn-mismatch before printing any error.
5104         (Target_arm::merge_object_attributes): Ditto.
5105         * gold.cc (queue_middle_tasks): Handle the case in which there is
5106         no regular object in input.
5107         * options.cc (General_options::parse_EB): New method.
5108         (General_options::parse_EL): Same.
5109         (General_options::General_options): Initialize endianness_.
5110         * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
5111         New options.
5112         (General_options::Endianness): New enum.
5113         (General_options::endianness): New method.
5114         (General_options::endianness_): New data member.
5115         * parameters.cc (Parameters::set_options): Check target endianness.
5116         (Parameters::set_target_once): Ditto.
5117         (Parameters::check_target_endianness): New method.
5118         (parameters_force_valid_target): If either -EL or -EB is specified,
5119         use it to define endianness of default target.
5120         * parameters.h (Parameters::check_target_endianness): New method
5121         declaration.
5122         * target.h (class Target): Change "endianity" to "endianness"
5123         in comments.
5124
5125 2010-04-07  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
5126
5127         * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
5128         * configure: Regenerate.
5129         * Makefile.in: Regenerate.
5130         * testsuite/Makefile.in: Regenerate.
5131
5132 2010-04-06  Cary Coutant  <ccoutant@google.com>
5133
5134         gcc PR lto/42757
5135         * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5136         prevailing definitions of common symbols.
5137         * testsuite/plugin_test_6.sh: New test case.
5138         * testsuite/plugin_common_test_1.c: New test case.
5139         * testsuite/plugin_common_test_2.c: New test case.
5140         * testsuite/Makefile.am (plugin_test_6): New test case.
5141         * testsuite/Makefile.in: Regenerate.
5142
5143 2010-04-06  Nick Clifton  <nickc@redhat.com>
5144
5145         * po/vi.po: New Vietnamese translation.
5146
5147 2010-03-30  Doug Kwan  <dougkwan@google.com>
5148
5149         * arm.cc (Target_arm::using_thumb_only): Handle v6-M
5150
5151 2010-03-25  Doug Kwan  <dougkwan@google.com>
5152
5153         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
5154         to avoid a conversion warning on a 32-bit host.
5155
5156 2010-03-24  Ian Lance Taylor  <iant@google.com>
5157
5158         * testsuite/script_test_3.t: Add a TLS segment.
5159         * testsuite/Makefile.am (check_PROGRAMS): Add
5160         tls_phdrs_script_test.
5161         (tls_phdrs_script_test_SOURCES): Define.
5162         (tls_phdrs_script_test_DEPENDENCIES): Define.
5163         (tls_phdrs_script_test_LDFLAGS): Define.
5164         (tls_phdrs_script_test_LDADD): Define.
5165         * testsuite/Makefile.in: Rebuild.
5166
5167 2010-03-23  Cary Coutant  <ccoutant@google.com>
5168
5169         * fileread.cc (find_or_make_view): Fix comment.
5170
5171 2010-03-23  Ian Lance Taylor  <iant@google.com>
5172
5173         * script-sections.cc (class Orphan_section_placement): Define
5174         PLACE_TLS and PLACE_TLS_BSS.
5175         (Orphan_section_placement::Orphan_section_placement): Initialize
5176         new places.
5177         (Orphan_section_placement::find_place): Handle SHF_TLS sections.
5178         * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
5179         (tls_script_test_SOURCES): Define.
5180         (tls_script_test_DEPENDENCIES): Define.
5181         (tls_script_test_LDFLAGS): Define.
5182         (tls_script_test_LDADD): Define.
5183         * testsuite/Makefile.in: Rebuild.
5184
5185 2010-03-22  Doug Kwan  <dougkwan@google.com>
5186
5187         * arm.cc (Arm_relocate_functions::abs8,
5188         Arm_relocate_functions::abs16): Use correct check for overflow
5189         specified in the ARM ELF specs.
5190         (Arm_relocate_functions): thumb_branch_common.  Handle bit 1 of branch
5191         target of a BLX instruction specially.
5192         (Reloc_stub::stub_type_for_reloc): Ditto.
5193         (Relocate::relocate): Use symbolic names instead of numeric relocation
5194         codes to report error.
5195         (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
5196         workaround.
5197         * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
5198         thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
5199         thumb2_blx_out_of_range.stdout
5200         (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
5201         thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
5202         (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
5203         thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
5204         thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
5205         thumb2_blx_in_range, thumb2_blx_in_range.o,
5206         thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
5207         thumb2_blx_out_of_range.o): New rules.
5208         (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
5209         thumb2_blx_in_range and thumb2_blx_out_of_range.
5210         * testsuite/Makefile.in: Regenerate.
5211         * arm_branch_in_range.sh: Add tests for THUMB BLX.
5212         * testsuite/thumb_blx_in_range.s: New file.
5213         * testsuite/thumb_blx_out_of_range.s: New file.
5214
5215 2010-03-22  Rafael Espindola  <espindola@google.com>
5216
5217         * archive.cc (Should_include): Move to archive.h.
5218         (should_include_member): Make it a member of Archive.
5219         (Lib_group): New.
5220         (Add_lib_group_symbols): New.
5221         * archive.h: Include options.h.
5222         (Archive_member): Moved from Archive.
5223         (Should_include): Moved from archive.cc.
5224         (Lib_group): New.
5225         (Add_lib_group_symbols): New.
5226         * dynobj.cc (do_should_include_member): New.
5227         * dynobj.h (do_should_include_member): New.
5228         * gold.cc (queue_initial_tasks): Update call to queue.
5229         * main.cc (main): Print lib group stats.
5230         * object.cc (do_should_include_member): New.
5231         * object.h: Include archive.h.
5232         (Object::should_include_member): New.
5233         (Object::do_should_include_member): New.
5234         (Sized_relobj::do_should_include_member): New.
5235         * options.cc (General_options::parse_start_lib): New.
5236         (General_options::parse_end_lib): New.
5237         (Input_arguments::add_file): Handle lib groups.
5238         (Input_arguments::start_group): Check we are not in a lib.
5239         (Input_arguments::start_lib): New.
5240         (Input_arguments::end_lib): New.
5241         * options.h (General_options): Add start_lib and end_lib.
5242         (Input_argument::lib_): New.
5243         (Input_argument::lib): New.
5244         (Input_argument::is_lib): New.
5245         (Input_file_lib): New.
5246         (Input_arguments::in_lib_): New.
5247         (Input_arguments::in_lib): New.
5248         (Input_arguments::start_lib): New.
5249         (Input_arguments::end_lib_): New.
5250         * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
5251         in unused members as preempted.
5252         (Sized_pluginobj::do_should_include_member): New.
5253         * plugin.h (Sized_pluginobj::do_should_include_member): New.
5254         * readsyms.cc (Read_symbols::locks): If we are just reading a member,
5255         return the blocker.
5256         (Read_symbols::do_whole_lib_group): New.
5257         (Read_symbols::do_lib_group): New.
5258         (Read_symbols::do_read_symbols): Handle lib groups.
5259         (Read_symbols::get_name): Handle lib groups.
5260         * readsyms.h (Read_symbols): Add an archive member pointer.
5261         (Read_symbols::do_whole_lib_group): New.
5262         (Read_symbols::do_lib_group): New.
5263         (Read_symbols::member_): New.
5264         * script.cc (read_input_script): Update call to queue_soon.
5265
5266 2010-03-19  Doug Kwan  <dougkwan@google.com>
5267
5268         * arm.cc (Stub_table::Stub_table): Initialize new data members
5269         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5270         (Stub_table::add_reloc_stub): Assign stub offset and update
5271         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
5272         (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
5273         New data members.
5274         (Stub_table::update_data_size_and_addralign): Use
5275         Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
5276         instead of going over all reloc stubs.
5277         (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
5278         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5279         Stringpool_template::offset_ to size of Stringpool_char.
5280         (Stringpool_template::new_key_offset): Remove code to initialize
5281         Stringpool_template::offset_.
5282         * stringpool.h (Stringpool_template::set_no_zero_null): Set
5283         Stringpool_template::offset_ to zero.
5284
5285 2010-03-15  Doug Kwan  <dougkwan@google.com>
5286
5287         * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
5288         offset_.
5289         (Stringpool_template::new_key_offset): New method.
5290         (Stringpool_template::add_string): Assign offsets when adding new
5291         strings.
5292         (Stringpool_template::set_string_offsets): Do not set string offsets
5293         when not optimizing.
5294         * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
5295         member size_.
5296         (Chunked_vector::clear): Clear size_.
5297         (Chunked_vector::reserve): Call reserve method of all Element_vectors.
5298         (Chunked_vector::size): Return size_.
5299         (Chunked_vector::push_back): Use size_ to find insert position.
5300         (Chunked_vector::size_): New data member.
5301         (Stringpool_template::set_no_zero_null): Assert string set is empty.
5302         (Stringpool_template::new_key_offset): New method declaration.
5303         (Stringpool_template::offset_): New data member.
5304
5305 2010-03-15   Rafael Espindola  <espindola@google.com>
5306
5307         * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
5308         Add_symbols' constructor.
5309         * readsyms.h (Add_symbols): Remove the input_group member.
5310
5311 2010-03-10  Ian Lance Taylor  <iant@google.com>
5312
5313         * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
5314         target to ask whether a reference to a symbol requires a stack
5315         split.
5316         * target.h (Target::is_call_to_non_split): New function.
5317         (Target::do_is_call_to_non_split): Declare virtual function.
5318         * target.cc: Include "symtab.h".
5319         (Target::do_is_call_to_non_split): New function.
5320         * i386.cc (Target_i386::do_is_call_to_non_split): New function.
5321
5322 2010-03-10  Cary Coutant  <ccoutant@google.com>
5323
5324         * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
5325         (File_read::open[1]): Remove initial mapping of whole_file_view_.
5326         (File_read::open[2]): Add whole_file_view_ to list of views.
5327         (File_read::make_view): Remove test of whole_file_view_.
5328         (File_read::find_or_make_view): Create whole_file_view_ if
5329         necessary.
5330         (File_read::clear_views): Replace bool parameter with enum;
5331         adjust all callers.  Don't delete views with permanent data;
5332         do delete cached views and views from archives if
5333         --no-keep-files-mapped is set.  Set whole_file_view_ to NULL
5334         if clearing the corresponding view.
5335         * fileread.h (File_read::Clear_views_mode): New enum.
5336         (File_read::View::is_permanent_view): New method.
5337         (File_read::clear_views): Replace bool parameter
5338         with enum; adjust all callers.
5339         * options.h (General_options): Change keep_files_mapped option;
5340         add map_whole_files.
5341         * readsyms.cc (Add_symbols::run): Delete sd_ object before
5342         releasing the file.
5343         * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
5344         the file.
5345
5346 2010-03-10  David S. Miller  <davem@davemloft.net>
5347
5348         * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
5349
5350 2010-03-09  Sriraman Tallam  <tmsriram@google.com>
5351
5352         * icf.cc (get_section_contents): Add '@' marker after processing the
5353         merge reloc.
5354
5355 2010-03-08  Doug Kwan  <dougkwan@google.com>
5356
5357         * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
5358         due to a conversion warning.
5359         (Arm_relobj::update_output_local_symbol_count): Check for local
5360         symbol with unset output index.
5361
5362 2010-03-05  Ian Lance Taylor  <iant@google.com>
5363
5364         * options.h (class General_options): Add --spare-dynamic-tags.
5365         * output.cc (Output_data_dynamic::set_final_data_size): Implement
5366         --spare-dynamic-tags.
5367
5368 2010-03-05  Ian Lance Taylor  <iant@google.com>
5369
5370         * incremental.cc: Include "libiberty.h".
5371
5372 2010-03-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
5373
5374         * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
5375         function, is_info_ member.
5376         * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
5377         (Versions::Versions): Update caller.
5378         (Versions::define_base_version): Likewise.
5379         (Versions::add_def): Likewise.
5380
5381 2010-03-03  Sriraman Tallam  <tmsriram@google.com>
5382
5383         * i386.cc (Target_i386::can_check_for_function_pointers): New function.
5384         (Scan::possible_function_pointer_reloc): New function.
5385         (Scan::local_reloc_may_be_function_pointer): Change to call
5386         possible_function_pointer_reloc.
5387         (Scan::global_reloc_may_be_function_pointer): Ditto.
5388         * icf.h (Icf::check_section_for_function_pointers): Change to reject
5389         relocations in ".data.rel.ro._ZTV" section.
5390         * testsuite/icf_safe_so_test.sh: Change to pass i386.
5391         * testsuite/icf_safe_so_test.cc: Ditto.
5392         * testsuite/icf_safe_test.cc: Ditto.
5393         * testsuite/icf_safe_test.sh: Ditto.
5394
5395 2010-03-03  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5396             Ian Lance Taylor  <iant@google.com>
5397
5398         * target-reloc.h (relocate_section): Check the symbol table index
5399         for -1U before setting the local symbol index.
5400         (scan_relocatable_relocs): If copying the relocation, record that
5401         the local symbol is required.
5402         * object.h (Symbol_value::is_output_symtab_index_set): New
5403         function.
5404         (Symbol_value::may_be_discarded_from_output_symtab): New
5405         function.
5406         (Symbol_value::has_output_symtab_entry): New function.
5407         (Symbol_value::needs_output_symtab_entry): Remove.
5408         (Symbol_value::output_symtab_index): Make sure the symbol index is
5409         set.
5410         (Symbol_value::set_output_symtab_index): Make sure the symbol
5411         index is not set.  Make sure the new index is valid.
5412         (Symbol_value::set_must_have_output_symtab_entry): New function.
5413         (Symbol_value::has_output_dynsym_entry): New function.
5414         (Symbol_value::set_output_dynsym_index): Make sure the new index
5415         is valid.
5416         (Sized_relobj::set_must_have_output_symtab_entry): New function.
5417         * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
5418         local symbol if permitted.
5419         (Sized_relobj::do_finalize_local_symbols): Call
5420         is_output_symtab_index_set rather than needs_output_symtab_entry.
5421         (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
5422         rather than needs_output_symtab_entry.  Call
5423         has_output_dynsym_entry rather than needs_output_dynsym_entry.
5424         * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
5425         is_output_symtab_index_set rather than needs_output_symtab_entry.
5426         * testsuite/discard_locals_relocatable_test.c: New file.
5427         * testsuite/discard_locals_test.sh: Test -r.
5428         * testsuite/Makefile.am (check_DATA): Add
5429         discard_locals_relocatable_test1.syms,
5430         discard_local_relocatable_test2.syms.
5431         (MOSTLYCLEANFILES): Likewise.  Also add
5432         discard_locals_relocatable_test1.lout and
5433         discard_locals_relocatable_test2.out.
5434         (discard_locals_relocatable_test1.syms): New target.
5435         (discard_locals_relocatable_test.o): New target.
5436         (discard_locals_relocatable_test1.out): New target.
5437         (discard_locals_relocatable_test2.syms): New target.
5438         (discard_locals_relocatable_test2.out): New target.
5439         (various): Add missing ../ld-new dependencies.
5440         * testsuite/Makefile.in: Rebuild.
5441
5442 2010-03-03  Nick Clifton  <nickc@redhat.com>
5443
5444         * po/fi.po: New Finnish translation.
5445
5446 2010-03-01  Doug Kwan  <dougkwan@google.com>
5447
5448         * layout.cc (Layout::Layout): Force section types of .init_array*,
5449         .preinit_array* and .fini_array* sections.
5450         * output.cc (Output_section::Input_section_sort_entry::has_priority):
5451         Fix check of return value of std::string::find.().
5452         (Output_section::Input_section_sort_compare::operator()): Remove
5453         comment about .init_array.
5454         (Output_section::Input_section_sort_init_fini_compare::operator()):
5455         New method.
5456         (Output_section::sort_attached_input_sections): Handle .init_array
5457         and .fini_array specially.
5458         * output.h (Output_section::Inut_section_sort_compare): Update
5459         comment.
5460         (Output_section::Input_section_sort_init_fini_compare): New struct.
5461
5462 2010-02-26  Doug Kwan  <dougkwan@google.com>
5463
5464         * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
5465         R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5466         * testsuite/debug_msg.sh: Avoid matching source line number for
5467         use of global variable undef_int.
5468
5469 2010-02-26  Doug Kwan  <dougkwan@google.com>
5470
5471         * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
5472         R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5473         (Target_arm::scan_reloc_section_for_stubs): Instead of calling
5474         scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
5475         * options.cc (General_options::General_options): Initialize member
5476         fix_v4bx_.
5477         * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
5478         (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
5479         and rm_no_fix_v4bx.stdout
5480         (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
5481         arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
5482         arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
5483         (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
5484         and arm_no_fix_v4bx.
5485         * Makefile.in: Regenerate.
5486         * testsuite/arm_fix_v4bx.s: New file.
5487         * testsuite/arm_fix_v4bx.sh: Ditto.
5488
5489 2010-02-24  Doug Kwan  <dougkwan@google.com>
5490
5491         * arm.cc (Target_arm::got_section): Make the .got section the first
5492         non RELRO section in the data segment.
5493         * testsuite/script_test_5.sh: Fix match patterns to avoid matching
5494         suffixes of section names.
5495
5496 2010-02-24  Doug Kwan  <dougkwan@google.com>
5497
5498         * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
5499         flags and attributes merging if an input file is a binary file.
5500         * fileread.cc (Input_file::open): Record format of original file.
5501         * fileread.h (Input_file::Format): New enum type.
5502         (Input_file::Input_file): Initialize data member format_.
5503         (Input_file::format): New method definition.
5504         (Input_file::format_):: New data member.
5505
5506 2010-02-24  Doug Kwan  <dougkwan@google.com>
5507
5508         * arm.cc (Arm_output_data_got): New class.
5509         (ARM_TCB_SIZE): New constant
5510         (Target_arm): Use Arm_output_data_got instead of Output_data_got.
5511         (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
5512         If user uses a script with a SECTIONS clause, issue only a warning
5513         for a misplaced EXIDX input section.  Otherwise, issue an error.
5514         (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
5515         garbage collection.
5516         (Target_arm::got_mode_index_entry): Handle static linking.
5517         (Target_arm::Scan::local): Ditto.
5518         (Target_arm::Scan::global): Ditto.
5519         (Target_arm::Relocate::relocate_tls): Handle static linking.  Fix
5520         all incorrectly implemented relocations.
5521         (Target_arm::fix_exidx_coverage): Pass layout to
5522         Arm_output_section::fix_exidx_coverage.
5523         * layout.cc (Layout::section_name_mapping): Remove trailing dots
5524         from ".ARM.exidx." and ".ARM.extab.".
5525
5526 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5527
5528         * arm.cc (Target_arm::do_finalize_sections): Create attribute
5529         section if it does not already exist.
5530         * attributes.cc (Attributes_section_data::Attributes_section_data):
5531         Don't crash if size is zero.
5532
5533 2010-02-23  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5534             Ian Lance Taylor  <iant@google.com>
5535
5536         * gold.cc (queue_middle_tasks): If no input files were opened,
5537         exit.
5538         * workqueue.h (Task_function::Task_function): Assert that there is
5539         a blocker.
5540
5541 2010-02-22  Doug Kwan  <dougkwan@google.com>
5542
5543         * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
5544         * icf.cc (get_section_contents): Cast snprintf arguments to long long
5545         types to avoid warnings due to different uint64_t implementations
5546         on different hosts.
5547
5548 2010-02-21  Doug Kwan  <dougkwan@google.com>
5549
5550         * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5551         handling of the maximum backward branch offset.
5552         (Arm_relocate_functions::thumb_branch_common): Ditto.
5553         * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5554         (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
5555         thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
5556         thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5557         (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5558         arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5559         arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5560         thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5561         thumb_bl_out_of_range thumb_bl_out_of_range.o,
5562         thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5563         thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5564         thumb2_bl_out_of_range.o): New rules.
5565         (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5566         thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5567         thumb2_bl_out_of_range
5568         * testsuite/Makefile.in: Regenerate.
5569         * testsuite/arm_bl_in_range.s: New file.
5570         * testsuite/arm_bl_out_of_range.s: Ditto.
5571         * testsuite/arm_branch_in_range.sh: Ditto.
5572         * testsuite/arm_branch_range.t: Ditto.
5573         * testsuite/thumb2_branch_range.t: Ditto.
5574         * testsuite/thumb_bl_in_range.s: Ditto.
5575         * testsuite/thumb_bl_out_of_range.s: Ditto.
5576         * testsuite/thumb_branch_range.t: Ditto.
5577
5578 2010-02-20  Sriraman Tallam  <tmsriram@google.com>
5579
5580         * gc.h (gc_process_relocs): Change vectors to point to the new list.
5581         Add reloc offset information.
5582         * icf.cc (get_section_contents): Change iterators to point to the new
5583         vectors. Add reloc offset information to the contents.
5584         * icf.h (Icf::Sections_reachable_info): New typedef.
5585         (Icf::Sections_reachable_list): New typedef.
5586         (Icf::Offset_info): New typedef.
5587         (Icf::Reloc_info): New struct typedef.
5588         (Icf::Reloc_info_list): New typedef.
5589         (Icf::symbol_reloc_list): Delete method.
5590         (Icf::addend_reloc_list): Delete method.
5591         (Icf::section_reloc_list): Delete method.
5592         (Icf::reloc_info_list): New method.
5593         (Icf::reloc_info_list_): New member.
5594
5595 2010-02-19  Doug Kwan  <dougkwan@google.com>
5596
5597         * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5598         R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5599         * arm.cc (Arm_relocation_functions): New forward declaration.
5600         (Target_arm::Target_arm): Initialize new data members
5601         got_mod_index_offset_ and tls_base_symbol_defined_.
5602         (Target_arm::Relocate::relocate_tls): New method.
5603         (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5604          Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5605         New methods.
5606         (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5607         GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5608         (Target_arm::got_mod_index_offset_,
5609         Target_arm::tls_base_symbol_defined_): New data members.
5610         (Target_arm::Scan::local, Target::Scan::global,
5611         Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5612         relocations.
5613
5614 2010-02-18  Doug Kwan  <dougkwan@google.com>
5615
5616         * arm.cc (Arm_relobj::find_linked_text_section): New method.
5617         (Arm_relobj::make_exidx_input_section): Pass section index of linked
5618         text section as a parameter becuase some broken tools may not set
5619         the link in section header.
5620         (Target_arm::has_got_section): New method.
5621         (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5622         without any mapping symbol as data only.  Remove warning.
5623         (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5624         link in its section header, try to discover the link by inspecting the
5625         REL31 relocation at the beginning of the section.
5626         (Target_arm::Scan::check_non_pic): Report name of offending relocation
5627         in error message.
5628         (Target_arm::Scan::global): Treat any reference to the symbol
5629         _GLOBAL_OFFSET_TABLE_ as a GOT access.
5630
5631 2010-02-12  Sriraman Tallam  <tmsriram@google.com>
5632
5633         * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5634         (Scan::global_reloc_may_be_function_pointer): New function.
5635         * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5636         (Scan::global_reloc_may_be_function_pointer): New function.
5637         * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5638         (Scan::global_reloc_may_be_function_pointer): New function.
5639         * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5640         (Scan::global_reloc_may_be_function_pointer): New function.
5641         * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5642         (Scan::global_reloc_may_be_function_pointer): New function.
5643         (Scan::possible_function_pointer_reloc): New function.
5644         (Target_x86_64::can_check_for_function_pointers): New function.
5645         * gc.h (gc_process_relocs): Scan relocation types to determine if
5646         function pointers were taken for targets that support it.
5647         * icf.cc (Icf::find_identical_sections): Include functions for
5648         folding in safe ICF whose pointer is not taken.
5649         * icf.h (Secn_fptr_taken_set): New typedef.
5650         (fptr_section_id_): New member.
5651         (section_has_function_pointers): New function.
5652         (set_section_has_function_pointers): New function.
5653         (check_section_for_function_pointers): New function.
5654         * options.h: Fix comment for safe ICF option.
5655         * target.h (can_check_for_function_pointers): New function.
5656         * testsuite/Makefile.am: Add icf_safe_so_test test case.
5657         Modify icf_safe_test for X86-64.
5658         * testsuite/Makefile.in: Regenerate.
5659         * testsuite/icf_safe_so_test.cc: New file.
5660         * testsuite/icf_safe_so_test.sh: New file.
5661         * testsuite/icf_safe_test.cc (kept_func_3): New function.
5662         (main): Change to take pointer to function kept_func_3.
5663         * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5664         folding is done correctly for X86-64.
5665
5666 2010-02-12  David S. Miller  <davem@davemloft.net>
5667
5668         * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5669         is_symbolless parameter.
5670         (Output_reloc<SHT_REL>::is_symbolless): New.
5671         (Output_reloc<SHT_REL>::is_symbolless_): New.
5672         (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5673         (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5674         (Output_reloc<SHT_RELA>::is_symbolless): New.
5675         (Output_data_reloc::add_global): Handle is_symbolless.
5676         (Output_data_reloc::add_global_relative): Likewise.
5677         (Output_data_reloc::add_local): Likewise.
5678         (Output_data_reloc::add_local_relative): Likewise.
5679         (Output_data_reloc::add_symbolless_global_addend): New.
5680         (Output_data_reloc::add_symbolless_local_addend): New.
5681         * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5682         is_symbolless.
5683         (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5684         instead of ->is_relative_
5685         (Output_reloc::write): Likewise.
5686         (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5687         (Output_reloc::write_rel): Simplify.
5688
5689         * sparc.cc (Target_sparc::Scan::local): Use
5690         ->add_symbolless_local_addend as needed.
5691         (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5692         needed.  Also, emit appropriate unaligned vs. aligned dynamic reloc
5693         based upon relocation offset.
5694
5695 2010-02-11  Doug Kwan  <dougkwan@google.com>
5696
5697         * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5698         (Target_arm::Scan::global): Ditto.  Also remove a comment before the
5699         beginning of function.
5700         (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5701         and MOVT_ABS relocations.  Those are non issued in scanning.  Fix
5702         parameter is_32bit in calls to should_apply_static_reloc.
5703         * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5704         (check_DATA): Add arm_abs_global.stdout.
5705         (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5706         arm_abs_global.stdout): New rules.
5707         (MOSTLLYCLEANFILES): Add arm_abs_global
5708         * Makefile.in: Regenerate.
5709         * testsuite/arm_abs_global.s: New file.
5710         * testsuite/arm_abs_global.sh: Ditto.
5711         * testsuite/arm_abs_lib.s: Ditto.
5712
5713 2010-02-11  Ian Lance Taylor  <iant@google.com>
5714
5715         * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5716         Read_relocs task.
5717         (queue_middle_tasks): Likewise, and also for Scan_relocs.  Run
5718         Allocate_commons_task first.
5719         * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5720         task, rather than symtab_lock_.
5721         (Gc_process_relocs::~Gc_process_relocs): New function.
5722         (Gc_process_relocs::is_runnable): Check this_blocker_.
5723         (Gc_process_relocs::locks): Use next_blocker_ rather than
5724         blocker_.
5725         (Scan_relocs::~Scan_relocs): New function.
5726         (Scan_relocs::is_runnable): Check this_blocker_ rather than
5727         symtab_lock_.
5728         (Scan_relocs::locks): Drop symtab_lock_ and blocker_.  Add
5729         next_blocker_.
5730         * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5731         fields.  Add this_blocker_ and next_blocker_ fields.  Adjust
5732         constructor accordingly.
5733         (class Gc_process_relocs): Likewise.
5734         (class Scan_relocs): Likewise.
5735         * common.h (class Allocate_commons_task): Remove symtab_lock_
5736         field, and corresponding constructor parameter.
5737         * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5738         symtab_lock_.
5739         (Allocate_commons_task::locks): Likewise.
5740
5741 2010-02-11  Ian Lance Taylor  <iant@google.com>
5742
5743         * gold-threads.h (class Once): Define.
5744         (class Initialize_lock): Rewrite as child of Once.
5745         * gold-threads.cc (class Once_initialize): Define.
5746         (once_pointer_control): New static variable.
5747         (once_pointer, once_arg): New static variables.
5748         (c_run_once): New static function.
5749         (Once::Once, Once::run_once, Once::internal_run): New functions.
5750         (class Initialize_lock_once): Remove.
5751         (initialize_lock_control): Remove.
5752         (initialize_lock_pointer): Remove.
5753         (initialize_lock_once): Remove.
5754         (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5755         (Initialize_lock::initialize): Rewrite.
5756         (Initialize_lock::do_run_once): New function.
5757         * archive.cc (Archive::interpret_header): Only clear name if it is
5758         not already empty.
5759         * fileread.cc: Include "gold-threads.h"
5760         (file_counts_lock): New static variable.
5761         (file_counts_initialize_lock): Likewise.
5762         (File_read::release): Only increment counts when using --stats.
5763         Use a lock around the increment.
5764         * parameters.cc (class Set_parameters_target_once): Define.
5765         (set_parameters_target_once): New static variable.
5766         (Parameters::Parameters): Move here from parameters.h.
5767         (Parameters::set_target): Rewrite.
5768         (Parameters::set_target_once): New function.
5769         (Parameters::clear_target): Move here and rewrite.
5770         * parameters.h (class Parameters): Update declarations.  Add
5771         set_parameters_target_once_ field.
5772         (Parameters::Parameters): Move to parameters.cc.
5773         (Parameters::clear_target): Likewise.
5774         * readsyms.cc (Read_symbols::do_group): Create a Start_group
5775         task.
5776         (Start_group::~Start_group): New function.
5777         (Start_group::is_runnable): New function.
5778         (Start_group::locks, Start_group::run): New functions.
5779         (Finish_group::run): Change saw_undefined to size_t.
5780         * readsyms.h (class Start_group): Define.
5781         (class Finish_group): Change saw_undefined_ field to size_t.
5782         (Finish_group::Finish_group): Remove saw_undefined and
5783         this_blocker parameters.  Change all callers.
5784         (Finish_group::set_saw_undefined): New function.
5785         (Finish_group::set_blocker): New function.
5786         * symtab.h (class Symbol_table): Change saw_undefined to return
5787         size_t.  Change saw_undefined_ field to size_t.
5788         * target-select.cc (Set_target_once::do_run_once): New function.
5789         (Target_selector::Target_selector): Initialize set_target_once_
5790         field.  Don't initialize lock_ and initialize_lock_ fields.
5791         (Target_selector::instantiate_target): Rewrite.
5792         (Target_selector::set_target): New function.
5793         * target-select.h (class Set_target_once): Define.
5794         (class Target_selector): Update declarations.  Make
5795         Set_target_once a friend.  Remove lock_ and initialize_lock_
5796         fields.  Add set_target_once_ field.
5797
5798 2010-02-10  Ian Lance Taylor  <iant@google.com>
5799
5800         * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5801         queueing any tasks.
5802         * gold.cc (queue_middle_gc_tasks): Likewise.  Fix final blocker.
5803         (queue_middle_tasks): Add all blockers before queueing any tasks.
5804         (queue_final_tasks): Likewise.
5805         * token.h (Task_token::add_blockers): New function.
5806         * object.h (Input_objects::number_of_relobjs): New function.
5807
5808 2010-02-10  Ian Lance Taylor  <iant@google.com>
5809
5810         * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5811         shared, not if not position independent.
5812         * x86_64.cc (Relocate::relocate_tls): Likewise.
5813         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5814         (tls_pie_pic_test): New target.
5815         * testsuite/Makefile.in: Rebuild.
5816
5817         * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5818         (tls_test_main_pie.o, tls_test_pie.o): New targets.
5819         (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5820         * testsuite/Makefile.in: Rebuild.
5821
5822 2010-02-09  David S. Miller  <davem@davemloft.net>
5823
5824         * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5825         R_SPARC_RELATIVE using ->add_local_relative().
5826         (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5827
5828         * output.h (Output_data_dynamic::add_section_size): New method
5829         that takes two Output_data objects.
5830         (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5831         entry param.  Handle it in initializers.
5832         * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5833         DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5834         * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5835         arg.
5836         * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5837         and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5838         * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5839         for dynrel_includes_plt.
5840         * i386.cc (Target_i386::do_finalize_sections): Likewise.
5841         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5842         * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5843         before .rela.plt
5844         (Target_sparc::do_finalize_sections): Update to pass true for
5845         dynrel_includes_plt.
5846         * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5847         output before .rela.plt
5848         (Target_powerpc::do_finalize_sections): Update to pass true for
5849         dynrel_includes_plt when 32-bit.
5850
5851 2010-02-08  Doug Kwan  <dougkwan@google.com>
5852
5853         * arm.cc (Arm_relobj::simple_input_section_output_address): New
5854         method.
5855         (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5856         Arm_relobj::scan_section_for_cortex_a8_stubs,
5857         Arm_relobj::do_relocation_section): Instead of calling
5858         Output_section::output_address, use faster
5859         Arm_relobj::simple_input_section_output_address.
5860
5861 2010-02-08  David S. Miller  <davem@davemloft.net>
5862
5863         * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5864         unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5865         relocation helper function.
5866
5867         * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5868         just like R_SPARC_GOT{10,13,22}.
5869         (Target_sparc::Scan::local): Likewise.
5870         (Target_sparc::Relocate:relocate): Likewise.
5871
5872 2010-02-06  Ian Lance Taylor  <iant@google.com>
5873
5874         * configure.ac: Rewrite targetobjs duplicate removal code to use
5875         only shell constructs.
5876         * configure: Rebuild.
5877
5878 2010-02-05  Doug Kwan  <dougkwan@google.com>
5879
5880         PR 11247
5881         * arm.cc (Arm_relobj::section_is_scannable): New method.
5882         (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5883         (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5884
5885 2010-02-04  Doug Kwan  <dougkwan@google.com>
5886
5887         PR 11247
5888         * arm-reloc-property.cc (cstdio): Include.
5889         * configure.ac (targetobjs): Remove duplicates.
5890         * configure: Regenerate.
5891         * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5892         big and little endian version for a given address size.
5893
5894 2010-02-03  Doug Kwan  <dougkwan@google.com>
5895
5896         * arm-reloc-property.cc
5897         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5898         definition.
5899         * arm-reloc-property.h
5900         (Arm_reloc_property_table::get_implemented_static_reloc_property):
5901         New method definition.
5902         (Arm_reloc_property_table::reloc_name_in_error_message): New method
5903         declaration.
5904         * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5905         overflow to N.
5906         (GOT_PREL): Change implemented to Y.
5907         * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5908         (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5909         (Arm_relocate_functions::movw_abs_nc): Remove method.
5910         (Arm_relocate_functions::movt_abs): Ditto.
5911         (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5912         (Arm_relocate_functions::thm_movt_abs): Ditto.
5913         (Arm_relocate_functions::movw_rel_nc): Ditto.
5914         (Arm_relocate_functions::movw_rel): Ditto.
5915         (Arm_relocate_functions::movt_rel): Ditto.
5916         (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5917         (Arm_relocate_functions:thm_movw_rel): Ditto.
5918         (Arm_relocate_functions:thm_movt_rel): Ditto.
5919         (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5920         (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5921         New method definitions.
5922         (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5923         (Arm_relocation_functions::arm_grp_ldr): Ditto.
5924         (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5925         (Arm_relocation_functions::arm_grp_ldc): Ditto.
5926         (Target_arm::Relocate::relocate): Check for non-static or
5927         unimplemented relocation code and exit early.  Change calls to
5928         Target_arm::reloc_uses_thumb_bit and
5929         Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5930         instead.  Refactor code to handle similar relocations to increase
5931         code sharing.  Remove check for unsupported relocation code in switch
5932         statement.
5933         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5934         relocation property table to find out size.  Change error message to
5935         print out the name of a relocation code instead of the numeric value.
5936         (Target_arm::scan_reloc_for_stub): Use relocation property table
5937         instead of calling Target_arm::reloc_uses_thumb_bit().
5938
5939 2010-02-02  Doug Kwan  <dougkwan@google.com>
5940
5941         * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5942         types of relaxed input section.
5943
5944 2010-02-02  Doug Kwan  <dougkwan@google.com>
5945
5946         * Makefile.am (HFILES): Add arm-reloc-property.h.
5947         (DEFFILES): New.
5948         (TARGETSOURCES): Add arm-reloc-property.cc
5949         (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5950         (libgold_a_SOURCES): $(DEFFILES)
5951         * Makefile.in: Regenerate.
5952         * arm-reloc-property.cc: New file.
5953         * arm-reloc-property.h: New file.
5954         * arm-reloc.def: New file.
5955         * arm.cc: Update comments.
5956         (arm-reloc-property.h): New included header.
5957         (arm_reloc_property_table): New global variable.
5958         (Target_arm::do_select_as_default_target): New method definition.
5959         * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5960         arm-reloc-property to targ_extra_obj.
5961         * parameters.cc (set_parameters_target): Call
5962         Target::select_as_default_target().
5963         * target.h (Target::select_as_default_target): New method definition.
5964         (Target::do_select_as_default_target): Same.
5965
5966 2010-02-01  Doug Kwan  <dougkwan@google.com>
5967
5968         * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5969         first_output_text_section_.
5970         (Arm_exidx_fixup::first_output_text_section): New method definition.
5971         (Arm_exidx_fixup::first_output_text_section_): New data member.
5972         (Arm_exidx_fixup::process_exidx_section): Record the first text
5973         output section seen.
5974         (Arm_output_section::fix_exidx_coverage): Set correct linked section
5975         and entsize in output section header.
5976
5977 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
5978
5979         * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5980         R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5981         (Arm_relocate_functions::thm_alu11): New Method.
5982         (Arm_relocate_functions::thm_pc8): New Method.
5983         (Arm_relocate_functions::thm_pc12): New Method.
5984         (Target_arm::Scan::local): Handle the relocations.
5985         (Target_arm::Scan::global): Likewise.
5986         (Target_arm::Relocate::relocate): Likewise.
5987         (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5988
5989 2010-01-29  Doug Kwan  <dougkwan@google.com>
5990
5991         * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5992         of relocation types as ld.
5993
5994 2010-01-29  Doug Kwan  <dougkwan@google.com>
5995
5996         * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5997         to public.
5998         (Arm_relocate_functions::thumb_branch_common): Ditto.
5999         (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
6000         Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
6001         Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
6002         Arm_relocate_functions::jump24): Remove.
6003         (Target_arm::Relocate::relocate): Adjust code to call
6004         Arm_relocation_functions::arm_branch_common and
6005         Arm_relocation_functions::thumb_branch_common instead of their removed
6006         wrappers.  Merge switch-cases together to reduce source code size.
6007
6008 2010-01-29  Doug Kwan  <dougkwan@google.com>
6009
6010         * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
6011         output_local_symbol_count_needs_update_.
6012         (Arm_relobj::output_local_symbol_count_needs_update,
6013          Arm_relobj::set_output_local_symbol_count_needs_update,
6014          Arm_relobj::update_output_local_symbol_count): New methods.
6015         (Arm_relobj::output_local_symbol_count_needs_update_): New data
6016         member.
6017         (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
6018         of pointed function as in a R_ARM_PREL31 relocation.
6019         (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
6020         for output local symbol count updating.
6021         (Target_arm::do_relax): Update output local symbol counts in objects
6022         if necessary.
6023         * object.h (Sized_relobj::set_output_local_symbol_count): New method.
6024
6025 2010-01-29  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6026
6027         * arm.cc: Added support for the ARM relocations:
6028         R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
6029         R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
6030         (Arm_relocate_functions::movw_rel_nc): Renamed (was
6031         movw_prel_nc).
6032         (Arm_relocate_functions::movw_rel): New method.
6033         (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
6034         (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
6035         thm_movw_prel_nc).
6036         (Arm_relocate_functions::thm_movw_rel): New method.
6037         (Arm_relocate_functions::thm_movt_rel): Renamed (was
6038         thm_movt_prel).
6039         (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
6040         relocations.
6041         (Target_arm::Scan::global): Likewise.
6042         (Target_arm::Relocate::relocate): Likewise.
6043         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6044         Likewise.
6045
6046 2010-01-27  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6047
6048         * arm.cc: Added support for ARM group relocations.
6049         (Target_arm::reloc_needs_sym_origin): New method.
6050         (Arm_relocate_functions::calc_grp_kn): New method.
6051         (Arm_relocate_functions::calc_grp_residual): New method.
6052         (Arm_relocate_functions::calc_grp_gn): New method.
6053         (Arm_relocate_functions::arm_grp_alu): New Method.
6054         (Arm_relocate_functions::arm_grp_ldr): New Method.
6055         (Arm_relocate_functions::arm_grp_ldrs): New Method.
6056         (Arm_relocate_functions::arm_grp_ldc): New Method.
6057         (Target_arm::Scan::local): Handle the ARM group relocations.
6058         (Target_arm::Scan::global): Likewise.
6059         (Target_arm::Relocate::relocate): Likewise.
6060         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6061         Likewise.
6062
6063 2010-01-26  Doug Kwan  <dougkwan@google.com>
6064
6065         * arm.cc (set): Include.
6066         (class Arm_exidx_fixup): Change type of last_input_section_ to const
6067         pointer type.
6068         (Arm_output_section::Text_section_list): New type.
6069         (Arm_output_section::append_text_sections_to_list): New method.
6070         (Arm_output_section::fix_exidx_coverage): Ditto.
6071         (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
6072         (Arm_relobj::convert_input_section_to_relaxed_section): Use
6073         Relobj::set_section_offset() instead of
6074         Sized_relobj::invalidate_section_offset().
6075         (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
6076         parameter for section headers. Ignore relocation sections for
6077         unallocated sections and EXIDX sections.
6078         (Target_arm::fix_exidx_coverage): New method.
6079         (Target_arm::output_section_address_less_than): New type.
6080         (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
6081         linked text section instead of the EXIDX section.
6082         (Arm_output_section::create_stub_group): Add an assertion to check
6083         that this is not an EXIDX output section.
6084         (Arm_output_section::append_text_sections_to_list): New method.
6085         (Arm_output_section::fix_exidx_coverage): Ditto.
6086         (Arm_relobj::scan_sections_for_stubs): Adjust call to
6087         Arm_relobj::section_needs_reloc_stub_scanning.
6088         (Target_arm::do_relax): Fix EXIDX output section coverage in the
6089         first pass.
6090         (Target_arm::fix_exidx_coverage): New method.
6091         * object.h (Relobj::set_output_section): New method.
6092         (Sized_relobj::invalidate_section_offset): Remove method.
6093         (Sized_relobj::do_invalidate_section_offset): Remove method.
6094         (Sized_relobj::do_set_section_offset): Handle offset value -1.
6095
6096 2010-01-25  Doug Kwan  <dougkwan@google.com>
6097
6098         * arm.cc (Arm_exidx_merged_section::do_output_offset):
6099         Fix warning due to signed and unsigned comparison on a 32-bit host.
6100
6101 2010-01-22  Doug Kwan  <dougkwan@google.com>
6102
6103         * arm.cc (Target_arm::do_relax): Record an output section for section
6104         offset adjustment it contains any stub table that has changed.
6105         * layout.cc (Layout::clean_up_after_relaxation): Adjust section
6106         offsets in an output section if necessary.
6107         * output.cc (Output_section::Output_section): Initialize
6108         section_offsets_need_adjustments_.
6109         (Output_section::add_input_section_for_script): Renamed to
6110         Output_section::add_simple_input_section.
6111         (Output_section::save_states): Add a comment.
6112         (Output_section::discard_states): New method defintion.
6113         (Output_section::adjust_section_offsets): Same.
6114         * output.h (Output_section::add_input_section_for_script): Renamed to
6115         Output_section::add_simple_input_section.
6116         (Output_section::discard_states): New method declaration.
6117         (Output_section::adjust_section_offsets): Same.
6118         (Output_section::section_offsets_need_adjustment,
6119         Output_section::set_section_offsets_need_adjustment): New method
6120         definitions.
6121         (Output_section::section_offsets_need_adjustment_): New data member.
6122         * script-sections.cc
6123         (Output_section_element_input::set_section_address): Adjust code for
6124         renaming of Output_section::add_input_section_for_script.
6125         (Orphan_output_section::set_section_address): Same.
6126
6127 2010-01-22  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6128
6129         * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
6130         Fix_v4bx enum values .
6131         * gold/options.h (General_options): New option definitions.
6132         (General_options::fix_v4bx): New method.
6133         (General_options::Fix_v4bx): New enum.
6134         * gold/options.cc (General_options::parse_fix_v4bx): New method.
6135         (General_options::parse_fix_v4bx_interworking): New method.
6136
6137 2010-01-22  Doug Kwan  <dougkwan@google.com>
6138
6139         * arm.cc (Arm_exidx_fixup): New class.
6140
6141 2010-01-21  Doug Kwan  <dougkwan@google.com>
6142
6143         * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
6144         classes.
6145         (Arm_exidx_section_offset_map): New type.
6146
6147 2010-01-21  Doug Kwan  <dougkwan@google.com>
6148
6149         * arm.cc (Arm_exidx_input_section): New class.
6150         (Arm_relobj::exidx_input_section_by_link,
6151         Arm_relobj::exidx_input_section_by_shndx,
6152         Arm_relobj::make_exidx_input_section): New methods.
6153         (read_arm_attributes_section): Remove.
6154         (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
6155         information about them.
6156         (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
6157         to here.
6158
6159 2010-01-20  Doug Kwan  <dougkwan@google.com>
6160
6161         * arm.cc (Target_arm::Arm_input_section_map): Change key type from
6162         Input_section_specifier to Section_id.
6163         (Target_arm::new_arm_input_section: Adjust code for change of key
6164         type.
6165         (Target_arm::find_arm_input_section): Ditto.
6166         * gc.h (object.h): Include for Section_id nand Section_id_hash.
6167         (Section_id): Remove.
6168         (Garbage_collection::Section_id_hash): Remove.
6169         * icf.h (object.h): Include for Section_id nand Section_id_hash.
6170         (Section_id): Remove.
6171         (Icf::Section_id_hash): Remove.
6172         * object.h (Section_id, Const_section_id, Section_id_hash,
6173         Const_section_id_hash): New type definitions.
6174         * output.cc (Output_section::add_relaxed_input_section): Change to
6175         use Const_section_id instead of Input_section_specifier as key type.
6176         (Output_section::add_merge_input_section): Ditto.
6177         (Output_section::build_relaxation_map): Change to use Section_id
6178         instead of Input_section_specifier as key type.
6179         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
6180         Ditto.
6181         (Output_section::convert_input_sections_to_relaxed_sections): Change
6182         to use Const_section_id instead of Input_section_specifier as key type.
6183         (Output_section::find_merge_section): Ditto.
6184         (Output_section::find_relaxed_input_section): Ditto.
6185         * output.h (Input_section_specifier): Remove class.
6186         (Output_section::Output_section_data_by_input_section_map): Change
6187         key type to Const_section_id.
6188         (Output_section::Output_relaxed_input_section_by_input_section_map):
6189         Ditto.
6190         (Output_section::Relaxation_map): Change key type to Section_id.
6191
6192 2010-01-20  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6193
6194         * gold/arm.cc: Added support for R_ARM_V4BX relocation
6195         (class Arm_v4bx_stub): New class.
6196         (DEF_STUBS): Updated definition to support v4_veneer_bx.
6197         (Stub_factory::make_arm_v4bx_stub): New method.
6198         (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
6199         (Stub_table::empty): Handle v4bx stubs.
6200         (Stub_table::add_arm_v4bx_stub): New method.
6201         (Stub_table::find_arm_v4bx_stub): New method.
6202         (Arm_relocate_functions::v4bx): New method.
6203         (Target_arm::fix_v4bx): New method.
6204         (Target_arm::Target_arm): Handle R_ARM_V4BX.
6205         (Stub_table::relocate_stubs): Likewise.
6206         (Stub_table::do_write): Likewise.
6207         (Stub_table::update_data_size_and_addralign): Likewise.
6208         (Stub_table::finalize_stubs):  Likewise.
6209         (Target_arm::Scan::local): Likewise.
6210         (Target_arm::Scan::global): Likewise.
6211         (Target_arm::do_finalize_sections): Likewise.
6212         (Target_arm::Relocate::relocate): Likewise.
6213         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6214         Likewise.
6215         (Target_arm::scan_reloc_for_stub): Likewise.
6216         (Target_arm::scan_reloc_section_for_stubs): Likewise.
6217
6218 2010-01-19  Ian Lance Taylor  <iant@google.com>
6219
6220         * output.cc (Output_section_headers::do_sized_write): Write large
6221         segment count to sh_info field.
6222         (Output_file_header::do_sized_write): For large segment count,
6223         write PN_XNUM to e_phnum field.
6224
6225 2010-01-15  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6226
6227         * arm.cc (Arm_relocate_functions::thm_jump6): New function.
6228         (Arm_relocate_functions::thm_jump8): New function.
6229         (Arm_relocate_functions::thm_jump11): New function.
6230         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
6231         R_ARM_THM_JUMP11.
6232         (Target_arm::Scan::global): Likewise.
6233         (Target_arm::Relocate::relocate): Likewise.
6234         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6235         Likewise.
6236
6237 2010-01-14  Doug Kwan  <dougkwan@google.com>
6238
6239         * arm.cc (map, utility): Include headers.
6240         (Target_arm::apply_cortex_a8_workaround): New method.
6241         (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
6242         (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
6243         (Target_arm::Scan::global): R_ARM_THM_JUMP19.
6244         (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
6245         the --[no-]fix-cortex-a8 command line options.
6246         (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
6247         (Target_arm::relocate_stub): Use addend in instruction template.
6248         * options.h (DEFINE_bool): Set the user-set flag.
6249         (General_options): Add --[no-]-fix-cortex options.
6250         * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
6251         : Update fast look-up map after conversion.
6252
6253 2010-01-14  Sriraman Tallam  <tmsriram@google.com>
6254
6255         * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
6256         in the first pass of do_layout.
6257
6258 2010-01-13  Doug Kwan  <dougkwan@google.com>
6259
6260         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6261         Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
6262         apparent compiler problem of not folding static constant integral
6263         data members of elfcpp::Elf_sizes<32>.
6264
6265 2010-01-13  Doug Kwan  <dougkwan@google.com>
6266
6267         * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
6268         Arm_relobj::section_needs_cortex_a8_stub_scanning,
6269         Arm_relobj::scan_section_for_cortex_a8_erratum,
6270         Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
6271         (Arm_relobj::scan_sections_for_stubs): Move code deciding what
6272         sections to scan for relocation stubs into a new method
6273         Arm_relobj::section_needs_reloc_stub_scanning.  Handle both
6274         relocation and Cortex-A8 stub scanning.
6275         (Target_arm::do_relax): Force stubs to be after stubbed sections
6276         if fixing the Cortex-A8 erratum.  Remove all Cortex-A8 stubs at
6277         the beginning of a new relaxation pass.  Update a comment.
6278         (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
6279
6280 2010-01-12  Ian Lance Taylor  <iant@google.com>
6281
6282         * target-reloc.h (visibility_error): New inline function.
6283         (relocate_section): Call visibility_error.
6284         * testsuite/Makefile.am (check_DATA): Add protected_3.err.
6285         (MOSTLYCLEANFILES): Likewise.
6286         (protected_4_pic.o, protected_3.err): New targets.
6287         * testsuite/protected_4.cc: New file.
6288
6289 2010-01-12  Doug Kwan  <dougkwan@google.com>
6290
6291         * arm.cc (Cortex_a8_reloc): New class.
6292         (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
6293         and cortex_a8_relocs_info_.
6294         (Target_arm::fix_cortex_a8): New method definition.
6295         (Target_arm::Cortex_a8_relocs_info): New type.
6296         (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
6297         New data member declarations.
6298         (Target_arm::scan_reloc_for_stub): Record information about
6299         relocations for THUMB branches that might be exempted from the
6300         Cortex-A8 workaround.
6301         (Target_arm::do_relax): Clear all Cortex-A8 relocation information
6302         at the beginning of a relaxation pass.
6303
6304 2010-01-12  Doug Kwan  <dougkwan@google.com>
6305
6306         * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
6307         (Arm_relobj::Mapping_symbol_position,
6308          Arm_reloj::Mapping_symbol_position_less,
6309          Arm_relobj::Mapping_symbols_info): New types.
6310         (Target_arm::is_mapping_symbol_name): New method definition.
6311         (Arm_relobj::do_count_local_symbols): Save information about mapping
6312         symbols.
6313
6314 2010-01-11  Doug Kwan  <dougkwan@google.com>
6315
6316         * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
6317         Arm_relocate_functions::thumb32_branch_upper,
6318         Arm_relocate_functions::thumb32_branch_lower,
6319         Arm_relocate_functions::thumb32_cond_branch_offset,
6320         Arm_relocate_functions::thumb32_cond_branch_upper,
6321         Arm_relocate_functions::thumb32_cond_branch_lower,
6322         Arm_relocate_functions::thm_jump19): New methods to handle THUMB
6323         branch offset encoding.
6324         (Arm_relocate_functions::thumb_branch_common): Use new branch
6325         offset encoding methods to avoid code duplication.
6326         (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
6327         (Stub_addend_reader::operator()): Use new branch encoding method
6328         to avoid code duplication.
6329
6330 2010-01-11  Doug Kwan  <dougkwan@google.com>
6331
6332         * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
6333         (Target_arm::do_finalize_sections): Define special EXIDX section
6334         symbols only if referenced.
6335         * gc.h (Garbage_collection::add_reference): New method.
6336         (gc_process_relocs): Use Garbage_collection::add_reference to avoid
6337         code duplication.
6338
6339 2010-01-11  Ian Lance Taylor  <iant@google.com>
6340
6341         * script.cc (Version_script_info::build_expression_list_lookup):
6342         Change complaing about duplicate wildcard match from error to
6343         warning.
6344
6345         * script.cc (class Lazy_demangler): Recreate--revert part of patch
6346         of 2009-12-30.
6347         (Version_script_info::Version_script_info): Initialize globs_,
6348         default_version_, default_is_global_, and exact_.  Don't
6349         initialize globals_ or locals_.
6350         (Version_script_info::build_lookup_tables): Build local symbols
6351         first.
6352         (Version_script_info::unquote): New function.
6353         (Version_script_info::add_exact_match): New function.
6354         (Version_script_info::build_expression_list_lookup): Remove lookup
6355         parameter.  Add is_global parameter.  Change all callers.  Handle
6356         wildcard pattern specially.  Unquote pattern.  Call
6357         add_exact_match.
6358         (Version_script_info::get_name_to_match): New function.
6359         (Version_script_info::get_symbol_version): New function.
6360         (Version_script_info::get_symbol_version_helper): Remove.
6361         (Version_script_info::check_unmatched_names): Call unquote.
6362         * script.h (class Version_script_info): Change get_symbol_version
6363         to be non-inline and add is_global parameter; change all callers.
6364         Rewrite symbol_is_local.  Update declarations.  Define struct
6365         Version_tree_match, Exact, Globs.  Don't define struct Lookup.
6366         Remove globals_ and locals_ members.  Add exact_, globs_,
6367         default_version_, is_global_.
6368         (Version_script_info::Glob): Remove pattern, add expression and
6369         is_global.  Update constructor.  Change all callers.
6370         * dynobj.cc (Versions::finalize): Mark the version symbol as the
6371         default version.
6372         (Versions::symbol_section_contents): If a symbol is undefined, or
6373         defined in a dynamic object, set the version index to
6374         VER_NDX_LOCAL.
6375         * symtab.cc (Symbol_table::add_from_relobj): Don't call
6376         symbol_is_local.
6377         (Symbol_table::add_from_pluginobj): Likewise.
6378         * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
6379
6380 2010-01-11  Doug Kwan  <dougkwan@google.com>
6381
6382         * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
6383         (incremental_dump_LDADD): Add linking option for libintl.
6384         * Makefile.in: Regenerate.
6385
6386 2010-01-11  H.J. Lu  <hongjiu.lu@intel.com>
6387
6388         PR gold/11144
6389         * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
6390         instead of -Ds.
6391         * testsuite/Makefile.in: Regenerated.
6392
6393 2010-01-10  Doug Kwan  <dougkwan@google.com>
6394
6395         * options.h (DEFINE_var): Use parentheses around argument varname__
6396         in macro body to avoid any unintended subsequent substitutions.
6397
6398 2010-01-10  Ian Lance Taylor  <iant@google.com>
6399
6400         * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
6401         candidates before doing symbol resolution.
6402
6403         * resolve.cc (Symbol_table::resolve): Add symbols to the list of
6404         ODR candidates if only one is weak.
6405
6406 2010-01-08  Ian Lance Taylor  <iant@google.com>
6407
6408         * script.cc (Version_script_info::build_expression_list_lookup):
6409         Don't warn about ambiguous version, just record the ambiguity.
6410         (Version_script_info::get_symbol_version_helper): Give error if
6411         version is ambiguous.
6412
6413 2010-01-08  Doug Kwan  <dougkwan@google.com>
6414
6415         * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
6416           prev_data_size_ and prev_addralign_.  Remove initializer for
6417           deleted data member has_been_changed_.
6418           (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
6419           to determine if the table is empty.
6420           (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
6421           Remove.
6422           (Stub_table::add_reloc_stub): Define method in class definition
6423           instead of just declaring it there.
6424           (Stub_table::add_cortex_a8_stub): New method definition.
6425           (Stub_table::update_data_size_and_addralign): Ditto.
6426           (Stub_table::finalize_stubs): Ditto.
6427           (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
6428           (Stub_table::do_addralign_): Return address alignment in the
6429           (Stub_table::do_reset_address_and_file_offset): Define method in
6430           class definition instead of declaring it there.  Set current data
6431           size to be the data size of the previous pass.
6432           (Stub_table::set_final_data_size): Use current data size as the
6433           final data size.
6434           (Stub_table::relocate_stub): Change parameter type of stub from
6435           Reloc_stub pointer to Stub pointer.
6436           (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
6437           (Stub_table::Cortex_a8_stub_list): New typedef.
6438           (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
6439            Stub_table::prev_addralign_): New data member.
6440           (Arm_relobj::Arm_relobj): Initialize data member
6441           section_has_cortex_a8_workaround_.
6442           (Arm_relobj::section_has_cortex_a8_workaround,
6443            Arm_relobj::mark_section_for_cortex_a8_workaround): New method
6444            definitions.
6445           (Arm_relobj::section_has_cortex_a8_workaround_): New data member
6446           declarations.
6447           (Target_arm::relocate_stub): Change parameter type of stub from
6448           Reloc_stub pointer to Stub pointer.
6449           (Insn_template::size, Insn_template::alignment): Handle
6450           THUMB16_SPECIAL_TYPE.
6451           (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
6452            Stub_table::update_data_size_and_addralign,
6453            Stub_table::apply_cortex_a8_workaround_to_address_range): New method
6454           definitions.
6455           (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
6456           (Stub_table::do_write): Ditto.
6457           (Target_arm::do_relax): Adjust code for changes in Stub_table.
6458
6459 2010-01-08  Ian Lance Taylor  <iant@google.com>
6460
6461         PR 11108
6462         * symtab.h (class Symbol): Remove fields is_target_special_ and
6463         has_plt_offset_.  Add field is_defined_in_discarded_section_.
6464         (Symbol::is_defined_in_discarded_section): New function.
6465         (Symbol::set_is_defined_in_discarded_section): New function.
6466         (Symbol::has_plt_offset): Rewrite.
6467         (Symbol::set_plt_offset): Verify that new offset is not -1U.
6468         * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
6469         Don't initialize is_target_special_ or has_plt_offset_.
6470         Initialize is_defined_in_discarded_section_.
6471         (Symbol_table::add_from_relobj): If appropriate, set
6472         is_defined_in_discarded_section.
6473         * resolve.cc (Symbol::override_base_with_special): Don't test
6474         is_target_special_.  Change has_plt_offset_ to has_plt_offset().
6475         * target-reloc.h (relocate_section): Do special handling for
6476         symbols defined in discarded sections for global symbols as well
6477         as local symbols.
6478
6479 2010-01-08  Ian Lance Taylor  <iant@google.com>
6480
6481         * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
6482         the SHT_SYMTAB case.
6483
6484 2010-01-08  Ian Lance Taylor  <iant@google.com>
6485
6486         * object.cc (Sized_relobj::do_layout): Don't get confused if
6487         layout_eh_frame returns NULL.
6488
6489 2010-01-08  Ian Lance Taylor  <iant@google.com>
6490
6491         PR 11084
6492         * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
6493         dynamic symbol table, use the normal symbol table.
6494         (Sized_dynobj::do_read_symbols): Remove assertion about type of
6495         symbol table.
6496
6497 2010-01-08  Ian Lance Taylor  <iant@google.com>
6498
6499         PR 11072
6500         * layout.cc (Layout::include_section): Remove .gnu_debuglink
6501         sections.
6502
6503 2010-01-08  H.J. Lu  <hongjiu.lu@intel.com>
6504
6505         * version.cc (print_version): Change to "Copyright 2010".
6506
6507 2010-01-08  Ian Lance Taylor  <iant@google.com>
6508
6509         PR 10287
6510         PR 11063
6511         * i386.cc (class Target_i386): Change return type of plt_section
6512         to be non-const.
6513         (class Output_data_plt_i386): Add tls_desc_rel_ field.
6514         (Output_data_plt_i386::Output_data_plt_i386): Initialize
6515         tls_desc_rel_ field.
6516         (Output_data_plt_i386::rel_tls_desc): New function.
6517         (Target_i386::rel_tls_desc_section): New function.
6518         (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
6519         (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
6520         R_386_TLS_DESC reloc in rel_tls_desc_section.
6521         * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
6522         Define struct Tlsdesc_info.
6523         (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
6524         (Target_x86_64::do_reloc_symbol_index): New function.
6525         (Target_x86_64::add_tlsdesc_info): New function.
6526         (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
6527         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
6528         tlsdesc_rel_ field.
6529         (Output_data_plt_x86_64::rela_plt): Rename from rel_plt.  Change
6530         all callers.
6531         (Output_data_plt_x86_64::rela_tlsdesc): New function.
6532         (Target_x86_64::rela_tlsdesc_section): New function.
6533         (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
6534         handling.
6535         (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
6536         (Target_x86_64::do_reloc_addend): New function.
6537         R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
6538         * output.h (class Output_reloc) [SHT_REL]: Add new constructor
6539         declarations.  Define TARGET_CODE.  Add arg field to u1_ union.
6540         (Output_reloc::type): New function.
6541         (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
6542         (Output_reloc::is_target_specific): New function.
6543         (Output_reloc::target_arg): New function.
6544         (class Output_reloc) [SHT_RELA]: Add four new constructors for
6545         absolute relocs and target specific relocs.
6546         (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6547         add_target_specific.
6548         (class Output_data_reloc) [SHT_RELA]: Likewise.
6549         * output.cc (Output_reloc::Output_reloc): Add four new versions
6550         for absolute relocs and target specific relocs.
6551         (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6552         (Output_reloc::get_symbol_index): Likewise.
6553         (Output_reloc::local_section_offset): Check that local_sym_index_
6554         is not TARGET_CODE or 0.
6555         (Output_reloc::symbol_value): Likewise.
6556         (Output_reloc::write) [SHT_RELA]: Call target for target specific
6557         reloc.
6558         * target.h (class Target): Add reloc_symbol_index and reloc_addend
6559         functions.  Add do_reloc_symbol_index and do_reloc_addend virtual
6560         functions.
6561         * layout.cc (add_target_dynamic_tags): Use output section for
6562         DT_PLTRELSZ and DT_JMPREL.
6563
6564 2010-01-07  Ian Lance Taylor  <iant@google.com>
6565
6566         PR 11061
6567         * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6568         function.
6569         (class Output_data_reloc_generic): Define.
6570         (class Output_data_reloc_base): Change base class to
6571         Output_data_reloc_generic.  Change add() method to call
6572         bump_relative_reloc_count for a relative reloc.  Remove
6573         sort_relocs_ field.
6574         * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6575         to sort_relocs().
6576         * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6577         Output_data_reloc_generic*.  Add DT_RELCOUNT/DT_RELACOUNT tag if
6578         appropriate.
6579         * layout.h (class Layout): Update declaration.
6580
6581 2010-01-07  Ian Lance Taylor  <iant@google.com>
6582
6583         * output.h (class Output_data): Add const version of
6584         output_section and do_output_section.
6585         (class Output_section_data): Add const version of
6586         do_output_section.
6587         (class Output_section): Likewise.
6588         * layout.cc (Layout::add_target_dynamic_tags): New function.
6589         * layout.h (class Layout): Update declarations.
6590         * arm.cc (Target_arm::do_finalize_sections): Use
6591         add_target_dynamic_tags.
6592         * i386.cc (Target_i386::do_finalize_sections): Likewise.
6593         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6594         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6595         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6596
6597 2010-01-07  Ian Lance Taylor  <iant@google.com>
6598
6599         PR 11042
6600         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6601         object as needed.
6602
6603 2010-01-07  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>
6604             Ian Lance Taylor  <iant@google.com>
6605
6606         PR 11019
6607         * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6608         Xindex::read_symtab_xindex.
6609
6610 2010-01-07  Doug Kwan  <dougkwan@google.com>
6611
6612         * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6613         (Insn_template::thumb16_bcond_insn): New method declaration.
6614         (Insn_template): Fix spelling.
6615         (Stub::thumb16_special): New method declaration.
6616         (Stub::do_write): Define virtual method which was previously pure
6617         virtual.
6618         (Stub::do_thumb16_special): New method declaration.
6619         (Stub::do_fixed_endian_write): New template member.
6620         (Reloc_stub::do_write): Remove.
6621         (Reloc_stub::do_fixed_endian_write): Remove.
6622         (Cortex_a8_stub): New class definition.
6623         (Stub_factory::make_cortex_a8_stub): New method definition.
6624         (Stub_factory::Stub_factory): Add missing static storage class
6625         qualifier for elf32_arm_stub_a8_veneer_blx.
6626
6627 2010-01-07  Ian Lance Taylor  <iant@google.com>
6628
6629         PR 10980
6630         * options.h (class General_options): Add --warn-unresolved-symbols
6631         and --error-unresolved-symbols.
6632         * errors.cc (Errors::undefined_symbol): Implement
6633         --warn-unresolved-symbols.
6634
6635         * options.h (class General_options): Add -z text and -z textoff.
6636         * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6637
6638 2010-01-06  Sriraman Tallam  <tmsriram@google.com>
6639
6640         * gc.h (Garbage_collection::Cident_section_map): New typedef.
6641         (Garbage_collection::cident_sections): New function.
6642         (Garbage_collection::add_cident_section): New function.
6643         (Garbage_collection::cident_sections_): New member.
6644         (gc_process_relocs): Add references to sections whose names are C
6645         identifiers.
6646         * gold.h (cident_section_start_prefix): New constant.
6647         (cident_section_stop_prefix): New constant.
6648         (is_cident): New function.
6649         * layout.cc (Layout::define_section_symbols): Replace string constants
6650         with the newly defined constants.
6651         * object.cc (Sized_relobj::do_layout): Track sections whose names are
6652         C identifiers.
6653         * testsuite/Makefile.am: Add gc_orphan_section_test.
6654         * testsuite/Makefile.in: Regenerate.
6655         * testsuite/gc_orphan_section_test.cc: New file.
6656         * testsuite/gc_orphan_section_test.sh: New file.
6657
6658 2010-01-06  Ian Lance Taylor  <iant@google.com>
6659
6660         PR 10980
6661         * options.h (class General_options): Add --warn-shared-textrel.
6662         * layout.cc (Layout::finish_dynamic_section): Implement
6663         --warn-shared-textrel.
6664
6665         PR 10980
6666         * options.h (class General_options): Add --warn-multiple-gp.
6667
6668 2010-01-06  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
6669
6670         * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6671         $(THREADSLIB) and $(LIBDL).
6672         * Makefile.in: Rebuild.
6673
6674 2010-01-06  Ian Lance Taylor  <iant@google.com>
6675
6676         PR 10980
6677         * options.cc (General_options::parse_section_start): New function.
6678         (General_options::section_start): New function.
6679         (General_options::General_options): Initialize all members.
6680         * options.h: Include <map>
6681         (class General_options): Add --section-start.  Add section_starts_
6682         member.
6683         * layout.cc (Layout::attach_allocated_section_to_segment): If
6684         --section-start was used, set the address of the segment.  Remove
6685         local sort_sections.
6686         (Layout::relaxation_loop_body): If the address of the load segment
6687         has been set by --section-start, don't use it.
6688         * output.h (Output_segment::update_flags_for_output_section): New
6689         function.
6690         * output.cc (Output_segment::add_output_section): Call
6691         update_flags_for_output_section.
6692
6693 2010-01-05  Ian Lance Taylor  <iant@google.com>
6694
6695         PR 10980
6696         * options.h (class General_options): Add --undefined-version.
6697         * script.cc (struct Version_expression): Add was_matched_by_symbol
6698         field.
6699         (Version_script_info::matched_symbol): New function.
6700         (Version_script_info::get_symbol_version_helper): Call
6701         matched_symbol.
6702         (Version_script_info::check_unmatched_names): New function.
6703         * script.h (class Version_script_info): Update declarations.
6704         * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6705
6706         * options.h (class General_options): Use DEFINE_bool_alias for
6707         allow_multiple_definition.
6708         * resolve.cc (Symbol_table::should_override): Don't test
6709         allow_multiple_definition.
6710
6711         PR 10980
6712         * options.h (class General_options): Add --cref.
6713         * main.cc (main): Print cref table if --cref.  Don't close mapfile
6714         until after printing cref table.
6715         * cref.cc: Include "symtab.h".
6716         (class Cref_inputs): Define Cref_table_compare and Cref_table.
6717         (Cref_table_compare::operator()): New function.
6718         (Cref_inputs::gather_cref): New function.
6719         (filecol): New static const.
6720         (Cref_inputs::print_cref): New function.
6721         (Cref::print_cref): New function.
6722         * cref.h: Include <cstdio>.
6723         (class Cref): Update declarations.
6724         * mapfile.h (Mapfile::file): New function.
6725         * object.h (class Object): Define Symbols.  Declare virtual
6726         do_get_global_symbols.
6727         (Object::get_global_symbols): New function.
6728         * object.cc (Input_objects::add_object): Pass object to cref_ if
6729         --cref.
6730         (Input_objects::archive_start): Likewise.
6731         (Input_objects::archive_stop): Likewise.
6732         (Input_objects::print_cref): New function.
6733         * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6734         * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6735         --cref.
6736         * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6737         function.
6738         * plugin.h (class Sized_pluginobj): Update declarations.
6739
6740 2010-01-05  Ian Lance Taylor  <iant@google.com>
6741
6742         * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6743         to is_default_version.  Rename insdef to insdefault.
6744         (Symbol_table::add_from_relobj): Rename def to is_default_version
6745         and local to is_forced_local.
6746         (Symbol_table::add_from_pluginobj): Likewise.
6747         (Symbol_table::add_from_dynobj): Likewise.
6748         (Symbol_table::define_special_symbol): Rename insdef to
6749         insdefault.
6750
6751 2010-01-04  Ian Lance Taylor  <iant@google.com>
6752
6753         PR 10980
6754         * options.h (class General_options): Add
6755         --allow-multiple-definition and -z muldefs.
6756         * resolve.cc (Symbol_table::should_override): Don't warn about a
6757         multiple symbol definition if --allow-multiple-definition or -z
6758         muldefs.
6759
6760         PR 10980
6761         * options.h (class General_options): Add --add-needed and
6762         --copy-dt-needed-entries.  Tweak --as-needed help entry.
6763         * object.cc (Input_objects::check_dynamic_dependencies): Give an
6764         error if --copy-dt-needed-entries aka --add-needed is used and
6765         would cause a change in behaviour.
6766
6767         PR 10980
6768         * options.h (class General_options): Add -G as a short version of
6769         --shared.  Add no-op options -assert, -g, and -i.
6770
6771 2010-01-04  Sriraman Tallam  <tmsriram@google.com>
6772
6773         * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6774         check for .text or .gnu.linkonce.t sections.
6775         * icf.cc (Icf::find_identical_sections): Ditto.
6776         Change the detection for mangled function name within the section
6777         name.
6778         * icf.h (is_section_foldable_candidate): New function.
6779
6780 2009-12-30  Ian Lance Taylor  <iant@google.com>
6781
6782         PR 10980
6783         * options.h (class General_options): Permit two dashes with
6784         --retain-symbols-file.
6785
6786 2009-12-30  Ian Lance Taylor  <iant@google.com>
6787
6788         PR 10979
6789         * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6790         don't put the file header and segment headers in the text
6791         segment.
6792
6793         PR 10979
6794         * common.cc (Sort_commons::operator()): Stabilize sort when both
6795         entries are NULL.
6796         (Symbol_table::do_allocate_commons_list): When allocating common
6797         symbols, skip a symbol which is no longer common.
6798         * symtab.h (Symbol::is_common): Test whether the symbol comes from
6799         an object before checking its type.
6800         * testsuite/common_test_2.c: New file.
6801         * testsuite/common_test_3.c: New file.
6802         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6803         (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6804         (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6805         (common_test_2_pic.o, common_test_2.so): New targets.
6806         (common_test_3_pic.o, common_test_3.so): New targets.
6807         * testsuite/Makefile.in: Rebuild.
6808
6809         PR 10979
6810         * script.cc (read_input_script): If we see a new SECTIONS clause,
6811         and we have added an input section, give an error.
6812         * layout.h (class Layout): Add have_added_input_section function.
6813         Add have_added_input_section_ field.
6814         * layout.cc (Layout::Layout): Initialize
6815         have_added_input_section_.
6816         (Layout::layout): Set have_added_input_section_.
6817         (Layout::layout_eh_frame): Likewise.
6818
6819 2009-12-30  Ian Lance Taylor  <iant@google.com>
6820
6821         PR 10931
6822         * options.h (class General_options): Add --sort-common option.
6823         * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6824         * common.cc (Sort_common): Add sort_order parameter to
6825         constructor.  Add sort_order_ field.
6826         (Sort_commons::operator): Check sort_order_.
6827         (Symbol_table::allocate_commons): Determine the sort order.
6828         (Symbol_table::do_allocate_commons): Add sort_order parameter.
6829         Change all callers.
6830         (Symbol_table::do_allocate_commons_list): Likewise.
6831
6832 2009-12-30  Ian Lance Taylor  <iant@google.com>
6833
6834         PR 10916
6835         * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6836         symbols from this object, don't change the visibility of an
6837         undefined symbol.
6838         * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6839
6840 2009-12-30  Ian Lance Taylor  <iant@google.com>
6841
6842         PR 10861
6843         * script.h (class Version_script_info): Define Language enum.
6844         Update declarations.  Define Glob, Exact, and Lookup types.  Add
6845         new fields globals_, locals_, and is_finalized_.
6846         * script.cc: Various formatting fixes.
6847         (class Parser_closure): Change language_stack_ from a vector of
6848         std::string to one of Version_script_info::Language.  Adjust all
6849         uses accordingly.
6850         (class Lazy_demangler): Remove.
6851         (struct Version_expression): Change language from std::string to
6852         Version_script_info::Language.
6853         (Version_script_info::Version_script_info): New function.
6854         (Version_script_info::~Version_script_info): Don't call clear.
6855         (Version_script_info::finalize): New function.
6856         (Version_script_info::build_lookup_tables): New function.
6857         (Version_script_info::build_expression_list_lookup): New
6858         function.
6859         (Version_script_info::get_symbol_version_helper): Rewrite to use
6860         lookup tables.
6861         (Version_script_info::print_expression_list): Adjust to use
6862         Version_script_info::Language.
6863         (script_push_lex_into_version_mode): Check that the version script
6864         has not been finalized.
6865         (version_script_push_lang): Change language string to
6866         Version_script_info::Language.
6867         * options.cc (Command_line::version_script): New function.
6868         * options.h (class General_options): Add finalize_dynamic_list
6869         function.  Change version_script from declaration to definition.
6870         * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6871         * testsuite/version_script.map: Remove duplicate def of foo.
6872         * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6873         version_script.map.
6874         * testsuite/Makefile.in: Rebuild.
6875
6876 2009-12-30  Ian Lance Taylor  <iant@google.com>
6877
6878         PR 10843
6879         * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6880         if the input symbol index is 0, make the output symbol index 0.
6881
6882 2009-12-30  Ian Lance Taylor  <iant@google.com>
6883
6884         PR 10670
6885         * options.h (class General_options): Add -x/--discard-all.
6886         * object.cc (Sized_relobj::do_count_local_symbols): Handle
6887         --discard-all.  If the local symbol needs a dynamic entry, check
6888         that before handling --discard-locals.
6889
6890 2009-12-30  Ian Lance Taylor  <iant@google.com>
6891
6892         PR 10450
6893         * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6894         flags to PF_R.
6895         (Output_segment::add_output_section): Don't change the flags if
6896         the type is PT_TLS.
6897
6898         PR 10450
6899         * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6900         GNU hash table if they need a dynamic value.  Otherwise, don't add
6901         them if they are defined in a dynamic object or are forced local.
6902
6903 2009-12-29  Ian Lance Taylor  <iant@google.com>
6904
6905         PR 10450
6906         * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6907         .gnu.hash table for a 32-bit target.
6908
6909         PR 10450
6910         * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6911         regular and a dynamic object only needs a dynamic symbol table
6912         entry if it is externally visible.
6913
6914         PR 10450
6915         * i386.cc (class Target_i386): Initialize global_offset_table_ in
6916         constructor.  Add global_offset_table_ field.
6917         (Target_i386::got_section): Set global_offset_table_.
6918         (Target_i386::do_finalize_sections): Set global_offset_table_
6919         size.
6920         * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6921         in constructor.  Add global_offset_table_ field.
6922         (Target_x86_64::got_section): Set global_offset_table_.
6923         (Target_x86_64::do_finalize_sections): Set global_offset_table_
6924         size.
6925
6926         * layout.cc (Layout::Layout): Initialize increase_relro_.
6927         (Layout::get_output_section): Add is_relro, is_last_relro, and
6928         is_first_non_relro parameters.  Change all callers.
6929         (Layout::choose_output_section): Likewise.
6930         (Layout::add_output_section_data): Likewise.
6931         (Layout::make_output_section): Likewise.
6932         (Layout::set_segment_offsets): Clear increase_relro when using a
6933         linker script.
6934         * layout.h (class Layout): Add increase_relro method.  Add
6935         increase_relro_ field.  Update declarations.
6936         * output.cc (Output_section::Output_section): Initialize
6937         is_last_relro_ and is_first_non_relro_.
6938         (Output_segment::add_output_section): Group relro sections is
6939         do_sort is true.  Handle is_last_relro and is_first_non_relro.
6940         (Output_segment::maximum_alignment): Remove relro handling.
6941         (Output_segment::set_section_addresses): Add increase_relro
6942         parameter.  Change all callers.  Add initial alignment to align
6943         relro sections on separate page.  Remove old relro handling.
6944         (Output_segment::set_section_list_addresses): Remove in_relro
6945         parameter.  Change all callers.
6946         (Output_segment::set_offset): Add increase parameter.  Change all
6947         callers.  Remove old relro handling.
6948         * output.h (class Output_section): Add new methods: is_last_relro,
6949         set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6950         Add is_last_relro_ and is_first_non_relro_ fields.
6951         * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6952         Create separate .got.plt section.  Call increase_relro.
6953         * x86_64.cc (Target_x86_64::got_section): Likewise.
6954         * testsuite/relro_script_test.t: Add .got.plt.
6955
6956         PR 10450
6957         * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6958         (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6959         (Layout::finalize): Call set_dynamic_symbol_size.
6960         (Layout::set_dynamic_symbol_size): New function.
6961         * layout.h (class Layout): Add dynamic_symbol_ field.  Declare
6962         set_dynamic_symbol_size.
6963
6964         PR 10450
6965         * output.h (class Output_section): Add is_entsize_zero_ field.
6966         * output.cc (Output_section::Output_section): Initialize
6967         is_entsize_zero_.
6968         (Output_section::set_entsize): If two different entsizes are
6969         requested, force it to zero.
6970         (Output_section::add_input_section): Set flags for .debug_str
6971         before updating section flags.  Set entsize.
6972         (Output_section::update_flags_for_input_section): Set SHF_MERGE
6973         and SHF_STRING if all input sections have those flags.
6974
6975 2009-12-29   Rafael Espindola  <espindola@google.com>
6976
6977         * main.cc (main): Fix the sys time reporting.
6978         * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6979         reporting.
6980
6981 2009-12-29  Sriraman Tallam  <tmsriram@google.com>
6982
6983         * options.cc (General_options::parse_version): Allow -v to exit
6984         without an error if there is nothing to link.
6985
6986 2009-12-29  Ian Lance Taylor  <iant@google.com>
6987
6988         * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6989         using a version of gcc before 4.1.
6990         * configure: Rebuild.
6991
6992 2009-12-28  Chris Demetriou  <cgd@google.com>
6993
6994         * attributes.cc (Output_attributes_section_data::do_write): Use
6995         std::vector::front rather than std::vector::data.
6996
6997 2009-12-28  Ian Lance Taylor  <iant@google.com>
6998
6999         * symtab.h (class Symbol_table): Add enum Defined.
7000         * resolve.cc (Symbol_table::should_override): Add defined
7001         parameter.  Change all callers.  Test whether object is NULL
7002         before calling a method on it.
7003         (Symbol_table::report_resolve_problem): Add defined parameter.
7004         Change all callers.
7005         (Symbol_table::should_override_with_special): Likewise.
7006         * symtab.cc (Symbol_table::define_in_output_data): Add defined
7007         parameter.  Change all callers.
7008         (Symbol_table::do_define_in_output_data): Likewise.
7009         (Symbol_table::define_in_output_segment): Likewise.
7010         (Symbol_table::do_define_in_output_segment): Likewise.
7011         (Symbol_table::define_as_constant): Likewise.
7012         (Symbol_table::do_define_as_constant): Likewise.
7013         * script.h (class Symbol_assignment): Add is_defsym parameter to
7014         constructor; change all callers.
7015         * script.cc (Script_options::add_symbol_assignment): Add is_defsym
7016         parameter.  Change all callers.  Add is_defsym_ field.
7017         (class Parser_closure): Add parsing_defsym parameter to
7018         constructor; change all callers.  Add parsing_defsym accessor
7019         function.  Add parsing_defsym_ field.
7020
7021 2009-12-28  Ian Lance Taylor  <iant@google.com>
7022
7023         * gold.cc (queue_middle_tasks): Fix formatting.
7024         * object.cc (Relobj::is_section_name_included): Likewise.
7025
7026 2009-12-23  Ian Lance Taylor  <iant@google.com>
7027
7028         * i386.cc (Target_i386::do_calls_non_split): Recognize
7029         -fsplit-stack prologue for a function with a static chain.
7030         * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
7031         -fsplit-stack prologue when using %r11.
7032
7033 2009-12-21  Sriraman Tallam  <tmsriram@google.com>
7034
7035         * options.cc (General_options::parse_version): Make -v continue and do
7036         the link like GNU ld does.
7037
7038 2009-12-17  Rafael Avila de Espindola  <espindola@google.com>
7039
7040         * Makefile.am (CCFILES): Add timer.cc.
7041         (HFILES): Add timer.h.
7042         * configure.ac: Check for sysconf and times.
7043         * main.cc: include timer.h.
7044         (main): Use Timer instead of get_run_time.
7045         * timer.cc: New.
7046         * timer.h: New.
7047         * workqueue.cc: include timer.h.
7048         (Workqueue::find_and_run_task):
7049         Report user, sys and wall time.
7050         * Makefile.in: Regenerate.
7051         * config.in: Regenerate.
7052         * configure: Regenerate.
7053
7054 2009-12-16  Doug Kwan  <dougkwan@google.com>
7055
7056         * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
7057         sections.
7058         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
7059         relaxed input sections.
7060         * output.cc (Output_section::find_relaxed_input_section): Change
7061         return type to Output_relaxed_input_section pointer.  Adjust code
7062         for new type of relaxed_input_section_map_.
7063         * output.h (Output_section::find_relaxed_input_section): Change
7064         return type to Output_relaxed_input_section pointer.
7065         (Output_section::Output_relaxed_input_section_by_input_section_map):
7066         New type.
7067         (Output_section::relaxed_input_section_map_): Change type to
7068         Output_section::Output_relaxed_input_section_by_input_section_map.
7069         * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
7070         input section.
7071
7072 2009-12-15  Ian Lance Taylor  <iant@google.com>
7073
7074         * layout.cc (Layout::create_shstrtab): Only write out after input
7075         sections if we are compressing debug sections.
7076
7077 2009-12-15  Ian Lance Taylor  <iant@google.com>
7078
7079         * archive.cc (Archive::add_symbols): Only look up a symbol without
7080         a version if there is, in fact, a version.
7081
7082 2009-12-14  Ian Lance Taylor  <iant@google.com>
7083
7084         Revert -Wshadow changes, all changes from:
7085         2009-12-11  Doug Kwan  <dougkwan@google.com>
7086         2009-12-11  Nick Clifton  <nickc@redhat.com>
7087         * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
7088
7089 2009-12-11  Doug Kwan  <dougkwan@google.com>
7090
7091         * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
7092         due to -Wshadow.
7093         * attributes.cc (Object_attribute::size): Ditto.
7094         (Attributes_section_data::size): Ditto.
7095         (Attributes_section_data::Attributes_section_data): Ditto.
7096         (Output_attributes_section_data::do_write): Ditto.
7097         * attributes.h (Object_attribute::set_type): Ditto.
7098         * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
7099
7100 2009-12-11  Nick Clifton  <nickc@redhat.com>
7101
7102         * archive.cc: Fix shadowed variable warnings.
7103         * arm.cc: Likewise.
7104         * compressed_output.cc: Likewise.
7105         * compressed_output.h: Likewise.
7106         * configure: Likewise.
7107         * dwarf_reader.cc: Likewise.
7108         * dynobj.cc: Likewise.
7109         * dynobj.h: Likewise.
7110         * ehframe.cc: Likewise.
7111         * ehframe.h: Likewise.
7112         * errors.cc: Likewise.
7113         * expression.cc: Likewise.
7114         * fileread.cc: Likewise.
7115         * fileread.h: Likewise.
7116         * freebsd.h: Likewise.
7117         * i386.cc: Likewise.
7118         * icf.cc: Likewise.
7119         * incremental.h: Likewise.
7120         * layout.cc: Likewise.
7121         * layout.h: Likewise.
7122         * mapfile.cc: Likewise.
7123         * merge.cc: Likewise.
7124         * merge.h: Likewise.
7125         * object.cc: Likewise.
7126         * object.h: Likewise.
7127         * options.h: Likewise.
7128         * output.cc: Likewise.
7129         * output.h: Likewise.
7130         * parameters.cc: Likewise.
7131         * plugin.cc: Likewise.
7132         * powerpc.cc: Likewise.
7133         * reduced_debug_output.cc: Likewise.
7134         * reduced_debug_output.h: Likewise.
7135         * reloc.cc: Likewise.
7136         * reloc.h: Likewise.
7137         * resolve.cc: Likewise.
7138         * script-sections.cc: Likewise.
7139         * script.cc: Likewise.
7140         * script.h: Likewise.
7141         * sparc.cc: Likewise.
7142         * symtab.cc: Likewise.
7143         * symtab.h: Likewise.
7144         * target-select.cc: Likewise.
7145         * target-select.h: Likewise.
7146         * token.h: Likewise.
7147         * workqueue.cc: Likewise.
7148         * workqueue.h: Likewise.
7149         * x86_64.cc: Likewise.
7150
7151 2009-12-10  Doug Kwan  <dougkwan@google.com>
7152
7153         * arm.cc (attributes.h): New include.
7154         (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
7155         (Arm_relobj::~Arm_relobj): Delete object pointed by
7156         attributes_section_data_.
7157         (Arm_relobj::attributes_section_data): New method definition.
7158         (Arm_relobj::attributes_section_data_): New data member declaration.
7159         (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
7160         (Arm_dynobj::~Arm_dynobj): Delete object pointed by
7161         attributes_section_data_.
7162         (Arm_dynobj::attributes_section_data): New method definition.
7163         (Arm_dynobj::attributes_section_data_): New data member declaration.
7164         (Target_arm::Target_arm): Initialize attributes_section_data_.  Change
7165         initialization value of may_use_blx_ to false.
7166         (Target_arm::using_thumb2, Target_arm::using_thumb_only,
7167         Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
7168         object attributes to compute results instead of hard-coding.
7169         (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
7170         Target_arm::get_secondary_compatible_arch,
7171         Target_arm::set_secondary_compatible_arch
7172         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7173         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
7174         New method declarations.
7175         (Target_arm::get_aeabi_object_attribute): New method definition.
7176         (Target_arm::attributes_section_data_): New data member declaration.
7177         (read_arm_attributes_section): New template definition.
7178         (Arm_relobj::do_read_symbols): Read attributes section if it exists.
7179         (Arm_dynobj::do_read_symbols): Ditto.
7180         (Target_arm::do_finalize_sections): Merge attributes sections from
7181         input.  Check for BLX use after attributes section merging.
7182         Fix __exidx_start and __exidx_end visibility.  Create an
7183         .ARM.attributes section if necessary.
7184         (Target_arm::get_secondary_compatible_arch,
7185         Target_arm::set_secondary_compatible_arch,
7186         Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
7187         Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
7188         Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
7189         New method definitions.
7190
7191 2009-12-09  Ian Lance Taylor  <iant@google.com>
7192
7193         * plugin.cc (Plugin::load): Don't cast from void* to a function
7194         pointer.
7195
7196 2009-12-09  Ian Lance Taylor  <iant@google.com>
7197
7198         * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
7199         information fields.
7200
7201 2009-12-09  H.J. Lu  <hongjiu.lu@intel.com>
7202
7203         * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
7204         Replace two_file_shared_1.so with two_file_shared_2.so.
7205         * testsuite/Makefile.in: Regenerated.
7206
7207 2009-12-08  Doug Kwan  <dougkwan@google.com>
7208
7209         * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
7210         (HFILES): Add attributes.h and int_encoding.h.
7211         * Makefile.in: Regenerate.
7212         * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
7213         function definitions to int_encoding.cc
7214         * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
7215         prototypes to int_encoding.h
7216         * reduced_debug_output.cc (int_encoding.h): New include.
7217         (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
7218         function definitions to int_encoding.cc
7219         (insert_into_vector, read_from_pointer): Move template definitions to
7220         int_encoding.h
7221         * attributes.cc: New file.
7222         * attributes.h: New file.
7223         * int_encoding.cc: New file.
7224         * int_encoding.h: New file.
7225
7226 2009-12-07  Rafael Avila de Espindola  <espindola@google.com>
7227
7228         PR gold/11055
7229         * incremental-dump.cc (dump_incremental_inputs): New.
7230         (main): Use dump_incremental_inputs.
7231
7232 2009-12-07  H.J. Lu  <hongjiu.lu@intel.com>
7233
7234         PR gold/10893
7235         * i386.cc (Target_i386::Scan::globa): Use is_func instead of
7236         checking elfcpp::STT_FUNC.
7237         (Target_i386::Relocate::relocate): Likewise.
7238         * x86_64.cc (Target_x86_64::Scan::global): Likewise.
7239
7240         * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
7241         symbols from shared libraries into normal FUNC symbols.
7242
7243         * symtab.h (Symbol): Add is_func and use it.
7244
7245 2009-12-05  Doug Kwan  <dougkwan@google.com>
7246
7247         * arm.cc (Target_arm::arm_info): Initialize new fields
7248         attributes_section and attributes_vendor.
7249         * i386.cc (Target_i386::i386_info): Same.
7250         * object.cc (Sized_relobj::do_layout): Skip attribute section.
7251         * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
7252         fields attributes_section and attributes_vendor.
7253         * sparc.cc (Target_sparc::sparc_info): Same.
7254         * target.h (Target::attributes_section, Target::attributes_vendor,
7255         Target::is_attributes_section, Target::attribute_arg_type,
7256         Target::attributes_order): New method definitions.
7257         (Target::Target_info::attributes_section,
7258         Target::Target_info::attributes_vendor): New fields.
7259         (Target::do_attribute_arg_type, Target::do_attributes_order): New
7260         virtual method definitions.
7261         * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
7262         attributes_section and attributes_vendor.
7263         * testsuite/testfile.cc (Target_test::test_target_info): Same.
7264
7265 2009-12-05  Doug Kwan  <dougkwan@google.com>
7266
7267         * arm.cc: Update comments about interworking and stub generation.
7268         (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
7269         considered as non-PIC.
7270         (Arm_relocate_functions::base_abs): Fix formatting.
7271         (Arm_relocate_functions::got_prel): Fix comment.  Change interface
7272         of function to use GOT entry address instead of offset.
7273         (Target_arm::Scan::global): Issue an error if a symbol would need a
7274         PLT does not get one because it is untyped.  Remove code to create
7275         dynamic symbols for relative branches.
7276         (Target_arm::Relocate::relocate: Use 0 instead of false since function
7277         takes unsigned integer instead of boolean.
7278
7279 2009-12-05  H.J. Lu  <hongjiu.lu@intel.com>
7280
7281         * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
7282         (two_file_test_LDADD): Likewise.
7283         (common_test_1_LDADD): Likewise.
7284         (exception_test_LDADD) Likewise.
7285         (weak_test_LDADD): Likewise.
7286         (many_sections_test_LDADD): Likewise.
7287         (initpri1_LDADD): Likewise.
7288         (script_test_1_LDADD): Likewise.
7289         (script_test_2_LDADD): Likewise.
7290         (justsyms_LDADD): Likewise.
7291         (binary_test_LDADD): Likewise.
7292         (large_LDADD): Likewise.
7293         * testsuite/Makefile.in: Regenerated.
7294
7295 2009-12-04  H.J. Lu  <hongjiu.lu@intel.com>
7296
7297         * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
7298         (Symbol_table::override_with_special): Likewise.
7299         (Symbol_table::add_from_object): Likewise.
7300
7301 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7302
7303         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7304         Don't set the data_offset twice.
7305
7306 2009-12-04  Rafael Avila de Espindola  <espindola@google.com>
7307
7308         * testsuite/Makefile.in: Regenerate.
7309
7310 2009-12-03  Doug Kwan  <dougkwan@google.com>
7311
7312         * arm.cc: Remove comment about missing .ARM.exidx section symbols.
7313         (Target_arm::do_finalize_sections): Add parameter for symbol table
7314         pointer.  Add __exidx_start and __exidx_end symbols as appropriate.
7315         * i386.cc (Target_i386::do_finalize_sections): Add an additional
7316         parameter for symbol table pointer.
7317         * layout.cc (Layout::finalize): Call Target::finalize_sections with
7318         an additional parameter for a pointer to symbol table.
7319         * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
7320         parameter for a symbol table pointer.
7321         * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
7322         * target.h (Target::finalize_sections, Target::do_finalize_sections):
7323         Ditto.
7324         * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
7325         parameter for a symbol table pointer.
7326
7327 2009-12-03  Rafael Avila de Espindola  <espindola@google.com>
7328
7329         * incremental.cc (Incremental_inputs_header)
7330         (Incremental_inputs_header_write, Incremental_inputs_entry)
7331         (Incremental_inputs_entry_write): Move ...
7332         * incremental.h (Incremental_inputs_header)
7333         (Incremental_inputs_header_write, Incremental_inputs_entry)
7334         (Incremental_inputs_entry_write): here.
7335
7336 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7337
7338         * incremental.cc (make_sized_incremental_binary): Set the target.
7339         Error if it is incompatible.
7340         * output.h (Output_file): Add filename method.
7341
7342 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7343
7344         * incremental.cc (Incremental_inputs_entry): Remove unused argument
7345         from the get_* methods.
7346
7347 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7348
7349         * incremental-dump.cc (main): Check that the offeset of a script is 0.
7350         * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
7351         Write 0 for the data_offset of scripts.
7352
7353 2009-12-02  Rafael Avila de Espindola  <espindola@google.com>
7354
7355         * testsuite/Makefile.am: Add the incremental_test.sh test.
7356         * testsuite/incremental_test.sh: New.
7357         * testsuite/incremental_test_1.c: New.
7358         * testsuite/incremental_test_2.c: New.
7359
7360 2009-12-01  Rafael Avila de Espindola  <espindola@google.com>
7361
7362        * incremental-dump.cc (main): Fix typos.
7363
7364 2009-11-27  Rafael Avila de Espindola  <espindola@google.com>
7365
7366         PR gold/11025
7367         * incremental-dump.cc (main): Use llu to print 64 bit values.
7368
7369 2009-11-26  Per Øyvind Karlsen <peroyvind@mandriva.org>
7370             H.J. Lu  <hongjiu.lu@intel.com>
7371
7372         * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
7373         $(LIBDL).
7374         (incremental_dump_LDADD): Likewise.
7375         * Makefile.in: Regenerated.
7376
7377 2009-11-25  Doug Kwan  <dougkwan@google.com>
7378
7379         Revert:
7380
7381         2009-11-25  Doug Kwan  <dougkwan@google.com>
7382
7383                 * arm.cc (Target_arm::Target_arm): Move method definition
7384                 outside of class definition.  Add code to handle
7385                 --target1-rel, --target1-abs and --target2= options.
7386                 (Target_arm::get_reloc_reloc_type): Change method to be
7387                 non-static and const.
7388                 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
7389                 New data member declaration.
7390                 (Target_arm::Scan::local, Target_arm::Scan::global,
7391                 Target_arm::Relocate::relocate,
7392                 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7393                 Adjust call to Target_arm::get_real_reloc_type.
7394                 (Target_arm::get_real_reloc_type): Use command line options
7395                 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7396                 * options.h (--target1-rel, --target1-abs, --target2): New
7397                 ARM-only options.
7398
7399 2009-11-25  Doug Kwan  <dougkwan@google.com>
7400
7401         * arm.cc (Target_arm::Target_arm): Move method definition outside of
7402         class definition.  Add code to handle --target1-rel, --target1-abs
7403         and --target2= options.
7404         (Target_arm::get_reloc_reloc_type): Change method to be non-static
7405         and const.
7406         (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
7407         member declaration.
7408         (Target_arm::Scan::local, Target_arm::Scan::global,
7409         Target_arm::Relocate::relocate,
7410         Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
7411         call to Target_arm::get_real_reloc_type.
7412         (Target_arm::get_real_reloc_type): Use command line options to
7413         determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
7414         * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
7415         options.
7416
7417 2009-11-25  Doug Kwan  <dougkwan@google.com>
7418
7419         * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
7420         (Arm_relocate_functions::thumb_branch_common): New metod declaration.
7421         (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
7422         formatting.
7423         (Arm_relocate_functions::thm_call): Replace body with a call to
7424         Arm_relocate_functions::thumb_branch_common.
7425         (Arm_relocate_functions::thm_jump24,
7426         Arm_relocate_functions::thm_xpc22): New method definitions.
7427         (Arm_relocate_functions::thumb_branch_common): New method definition.
7428         (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
7429         operator.
7430         (Target_arm::Relocate::relocate): Adjust call to thm_call.
7431         Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
7432
7433 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7434
7435         * Makefile.am: Build incremental-dump
7436         * Makefile.in: Regenerate.
7437         * incremental-dump.cc: New.
7438         * incremental.cc (Incremental_inputs_header_data,
7439         Incremental_inputs_entry_data): Move to incremental.h
7440         * incremental.h: (Incremental_inputs_header_data,
7441         Incremental_inputs_entry_data): Move from incremental.cc
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): Add a typedef with the data type.
7448
7449 2009-11-24  Rafael Avila de Espindola  <espindola@google.com>
7450
7451         * incremental.cc (Incremental_inputs_header,
7452         Incremental_inputs_header_write, Incremental_inputs_entry,
7453         Incremental_inputs_entry_write): Update comment about which
7454         type has the filed descriptions.
7455
7456 2009-11-15  Doug Kwan  <dougkwan@google.com>
7457
7458         * arm.cc (Target_arm::may_use_arm_nop): New method definition.
7459         (Arm_relocate_functions::arm_branch_common): Change method defintion
7460         in class definition to a method declaration and update list of formal
7461         parameters.
7462         (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
7463         Arm_relocation_functions::jump24): Adjust call to
7464         Arm_relocate_functions::arm_branch_common.  Update list of formal
7465         parameters.
7466         (Arm_relocate_functions::xpc25): New method definition.
7467         (Arm_relocate_functions::arm_branch_common): Move method defintion
7468         out from class definition.  Use stubs for mode-switching and extending
7469         branch ranges.
7470         (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
7471         specially.  Change code to enable use of stubs in ARM branches.
7472
7473 2009-11-10  Doug Kwan  <dougkwan@google.com>
7474
7475         * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
7476         in method declaration.
7477         (Target_arm::relocate_stub): New method declaration.
7478         (Target_arm::default_target): Change to return a pointer instead of
7479         a const reference.
7480         (Reloc_stub::stub_type_for_reloc): Adjust for the change in
7481         Target_arm::default_target.
7482         (Arm_Relobj::do_relocate_sections): Remove options paramater in
7483         method definition.
7484         (Target_arm::relocate_section): Adjust view.
7485         (Target_arm::relocate_stub): New method definition.
7486
7487 2009-11-10  Doug Kwan  <dougkwan@google.com>
7488
7489         * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
7490         a format warning.
7491         * incremental.cc (open_incremental_binary): Initialized local
7492         variables to avoid warnings.
7493         * object.cc (make_elf_object): Ditto.
7494         * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
7495         a format warning.
7496
7497 009-11-09  H.J. Lu  <hongjiu.lu@intel.com>
7498
7499         PR gold/10930
7500         * testsuite/plugin_test.c: Include "config.h".
7501
7502 2009-11-09  Doug Kwan  <dougkwan@google.com>
7503
7504         * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
7505         (arm_symbol_value): Remove.
7506         (Arm_relocate_functions::arm_branch_common,
7507         Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
7508         Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
7509         Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
7510         Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
7511         Arm_relocate_functions::call, Arm_relocate_functions::jump24,
7512         Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
7513         Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
7514         Arm_relocate_functions::thm_mobw_abs_nc,
7515         Arm_relocate_functions::thm_mov_abs,
7516         Arm_relocate_functions::movw_prel_nc,
7517         Arm_relocate_functions::thm_movt_abs,
7518         Arm_relocate_functions::movt_prel,
7519         Arm_relocate_functions::thm_movw_prel_nc,
7520         Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
7521         (Target_arm::Relocate::relocate): Only decompose address into two
7522         parts if relocation type uses the thumb-bit and pass the actual
7523         bit instead of a flag indicating that the thumb-bit is used.  Adjust
7524         calls to methods in Arm_relocate_functions for this change.
7525
7526 2009-11-08  Ian Lance Taylor  <iant@google.com>
7527
7528         PR 10925
7529         * reloc.cc: Instantiate
7530         Sized_relobj::initialize_input_to_output_maps and
7531         Sized_relobj:free_input_to_output_maps.
7532
7533 2009-11-06  Ian Lance Taylor  <iant@google.com>
7534
7535         PR 10876
7536         * defstd.cc (in_segment): Set only_if_ref true for "end".
7537
7538 2009-11-06  Doug Kwan  <dougkwan@google.com>
7539
7540         * arm.cc (class Reloc_stub): Correct a comment.
7541         (Target_arm::Target_arm): Initialize arm_input_section_map_.
7542         (Target_arm::scan_section_for_stubs): New method declaration.
7543         (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
7544         Change methods from private to protected.
7545         (Target_arm::do_may_relax): New method definition.
7546         (Target_arm::do_relax, Target_arm::group_sections,
7547         Target_arm::scan_reloc_for_stub,
7548         Target_arm::scan_reloc_section_for_stubs): New method declarations.
7549         (Target_arm::arm_input_section_map_): New data member declaration.
7550         (Target_arm::scan_reloc_for_stub,
7551         Target_arm::scan_reloc_section_for_stubs,
7552         Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7553         Target_arm::do_relax): New method definitions.
7554
7555 2009-11-06  Mikolaj Zalewski  <mikolaj@google.com>
7556
7557         * configure.ac: Check for (struct stat)::st_mtim
7558         * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7559         * config.in: Regenerate.
7560         * configure: Regenerate.
7561
7562 2009-11-05  Ian Lance Taylor  <iant@google.com>
7563
7564         PR 10910
7565         * output.cc (Output_segment::add_output_section): Add missing
7566         return statement.
7567
7568 2009-11-04  Ian Lance Taylor  <iant@google.com>
7569
7570         PR 10880
7571         * object.h (class Object): Add is_needed and set_is_needed
7572         methods.  Add is_needed_ field.  Make bool fields into bitfields.
7573         * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7574         defined in a dynamic object and referenced by a regular object,
7575         set is_needed for the dynamic object.
7576         * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7577         if the file is marked with as_needed and it is not needed.
7578
7579 2009-11-04  Ian Lance Taylor  <iant@google.com>
7580
7581         PR 10887
7582         * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7583         tags if data is discarded by linker script.
7584         * i386.cc (Target_i386::do_finalize_sections): Likewise.
7585         * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7586         * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7587         * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7588
7589 2009-11-04  Ian Lance Taylor  <iant@google.com>
7590
7591         * layout.cc (Layout::get_output_section): Add is_interp and
7592         is_dynamic_linker_section parameters.  Change all callers.
7593         (Layout::choose_output_section): Likewise.
7594         (Layout::make_output_section): Likewise.
7595         (Layout::add_output_section_data): Add is_dynamic_linker_section
7596         parameter.  Change all callers.
7597         * layout.h (class Layout): Update declarations.
7598         * output.h (class Output_section): Add is_interp, set_is_interp,
7599         is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7600         Add is_interp_, is_dynamic_linker_section_ fields.  Change
7601         generate_code_fills_at_write_ to a bitfield.
7602         * output.cc (Output_section::Output_sections): Initialize new
7603         fields.
7604         (Output_segment::add_output_section): Add do_sort parameter.
7605         Change all callers.
7606
7607 2009-11-03  Ian Lance Taylor  <iant@google.com>
7608
7609         PR 10860
7610         * options.h (class General_options): Add --warn-common.
7611         * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7612         merging two common symbols.
7613         (Symbol_table::should_override): Handle --warn-common when merging
7614         a common symbol with a defined symbol.  Use report_resolve_problem
7615         for multiple definitions.
7616         (Symbol_table::report_resolve_problem): New function.
7617         * symtab.h (class Symbol_table): Declare report_resolve_problem.
7618
7619 2009-11-03  Doug Kwan  <dougkwan@google.com>
7620
7621         * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7622         stub_factory_.
7623         (Target_arm::stub_factory): New method definition.
7624         (Target_arm::new_arm_input_section,
7625         Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7626         Target_arm::reloc_uses_thumb_bit): New method declarations.
7627         (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
7628         New type definitions.
7629         (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7630         member declarations.
7631         (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7632         Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7633         New method definitions.
7634
7635 2009-11-03  Ian Lance Taylor  <iant@google.com>
7636
7637         * options.h (class General_options): Add --warn_constructors.
7638
7639 2009-11-03  Ian Lance Taylor  <iant@google.com>
7640
7641         PR 10893
7642         * defstd.cc (in_section): Add entries for __rel_iplt_start,
7643         __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7644
7645 2009-11-03  Ian Lance Taylor  <iant@google.com>
7646
7647         PR 10895
7648         * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7649         --msgid-bugs-address.
7650         (install-pdf): New target.
7651         (install-data_yes): Look up one directory to find mkinstalldirs.
7652
7653 2009-11-03  H.J. Lu  <hongjiu.lu@intel.com>
7654
7655         * po/Make-in (.po.gmo): Don't generate .gmo files in source
7656         tree.
7657
7658 2009-10-30  Doug Kwan  <dougkwan@google.com>
7659
7660         * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7661
7662 2009-10-30  Doug Kwan  <dougkwan@google.com>
7663
7664         * arm.cc (Stub_addend_reader): New struct template definition
7665         and partial specializations.
7666         (Stub_addend_reader::operator()): New method definition for a
7667         partially specialized template.
7668
7669 2009-10-30  Doug Kwan  <dougkwan@google.com>
7670
7671         * arm.cc (Arm_relobj::processor_specific_flags): New method
7672         definition.
7673         (Arm_relobj::do_read_symbols): New method declaration.
7674         (Arm_relobj::processor_specific_flags_): New data member declaration.
7675         (Arm_dynobj): New class definition.
7676         (Target_arm::do_finalize_sections): Add input_objects parameter.
7677         (Target_arm::do_adjust_elf_header): New method declaration.
7678         (Target_arm::are_eabi_versions_compatible,
7679         (Target_arm::merge_processor_specific_flags): New method declaration.
7680         (Target_arm::do_make_elf_object): New overloaded method definitions
7681         and declaration.
7682         (Arm_relobj::do_read_symbols): New method definition.
7683         (Arm_dynobj::do_read_symbols): Ditto.
7684         (Target_arm::do_finalize_sections): Add input_objects parameters.
7685         Merge processor-specific flags from all input objects.
7686         (Target_arm::are_eabi_versions_compatible,
7687         Target_arm::merge_processor_specific_flags,
7688         Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7689         New method definitions.
7690         * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7691         Input_objects pointer type parameter.
7692         * layout.cc (Layout::finalize): Pass input objects to target's.
7693         finalize_sections function.
7694         * output.cc (Output_file_header::do_sized_write): Set ELF file
7695         header's processor-specific flags.
7696         * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7697         Input_objects pointer type parameter.
7698         * sparc.cc (Target_sparc::do_finalize_sections): Same.
7699         * target.h (Input_objects): New forward class declaration.
7700         (Target::processor_specific_flags,
7701         Target::are_processor_specific_flags_sect): New method definitions.
7702         (Target::finalize_sections): Add input_objects parameter.
7703         (Target::Target): Initialize processor_specific_flags_ and
7704         are_processor_specific_flags_set_.
7705         (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7706         parameter.
7707         (Target::set_processor_specific_flags): New method definition.
7708         (Target::processor_specific_flags_,
7709         Target::are_processor_specific_flags_set_): New data member
7710         declarations.
7711         * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7712         Input_objects pointer type parameter.
7713
7714 2009-10-30  Doug Kwan  <dougkwan@google.com>
7715
7716         * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7717
7718 2009-10-28  Ian Lance Taylor  <iant@google.com>
7719
7720         * object.h (class Relobj): Drop options parameter from
7721         gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7722         do_scan_relocs, do_relocate.  Change all callers.
7723         (class Sized_relobj): Drop options parameters from
7724         do_gc_process_relocs, do_scan_relocs, do_relocate,
7725         do_relocate_sections, relocate_sections, emit_relocs_scan,
7726         emit_relocs_scan_reltype.  Change all callers.
7727         (struct Relocate_info): Remove options field and all references to
7728         it.
7729         * reloc.h (class Read_relocs): Remove options constructor
7730         parameter and options_ field.  Change all callers.
7731         (class Gc_process_relocs, class Scan_relocs): Likewise.
7732         (class Relocate_task): Likewise.
7733         * target-reloc.h (scan_relocs): Remove options parameter.  Change
7734         all callers.
7735         (scan_relocatable_relocs): Likewise.
7736         * target.h (class Sized_target): Remove options parameter from
7737         gc_process_relocs, scan_relocs, scan_relocatable_relocs.  Change
7738         all callers.
7739         * gc.h (gc_process_relocs): Remove options parameter.  Change all
7740         callers.
7741         * arm.cc: Update functions to remove options parameters.
7742         * i386.cc: Likewise.
7743         * powerpc.cc: Likewise.
7744         * sparc.cc: Likewise.
7745         * x86_64.cc: Likewise.
7746         * testsuite/testfile.cc: Likewise.
7747
7748 2009-10-28  Doug Kwan  <dougkwan@google.com>
7749
7750         * arm.cc (Arm_relobj): New class definition.
7751         (Arm_relobj::scan_sections_for_stubs,
7752         Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7753         New method definitions.
7754
7755 2009-10-28  Cary Coutant  <ccoutant@google.com>
7756
7757         * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7758         (Plugin::cleanup_done_): New member.
7759         (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7760         (Plugin_manager::cleanup_done_): Remove.
7761         (Plugin_manager::add_input_file): Edit error message.
7762         * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7763         (Plugin_manager::cleanup): Remove use of cleanup_done_.
7764
7765 2009-10-27  Mikolaj Zalewski  <mikolajz@google.com>
7766
7767         * fileread.cc: (File_read::View::~View): Use the new
7768         data_ownership_ filed.
7769         (File_read::~File_read): Dispose the new whole_file_view_.
7770         (File_read::open): Mmap the whole file if needed.
7771         (File_read::open): Use whole_file_view_ instead of contents_.
7772         (File_read::find_view): Use whole_file_view_ if applicable.
7773         (File_read::do_read): Use whole_file_view_ instead of contents_.
7774         (File_read::make_view): Use whole_file_view_ instead of contents_,
7775         update File_read::View::View call.
7776         (File_read::find_or_make_view): Update File_read::View::View
7777         call.
7778         * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7779         remove contents_
7780         (File_read::View::Data_ownership): New enum.
7781         (File_read::View::View): Replace bool mapped_ with Data_ownership
7782         argument.
7783         (File_read::View::mapped_): Remove (replaced by data_ownership_).
7784         (File_read::View::data_ownership_): New field.
7785         (File_read::contents_): Remove (replaced by whole_file_view_).
7786         (File_read::whole_file_view_): New field.
7787         * options.h (class General_options): Add --keep-files-mapped.
7788
7789 2009-10-27  Cary Coutant  <ccoutant@google.com>
7790
7791         * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7792         * testsuite/Makefile.am (plugin_test_5): New test case.
7793         * testsuite/Makefile.in: Regenerate.
7794
7795 2009-10-25  Doug Kwan  <dougkwan@google.com>
7796
7797         * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7798         from private to protected to allow access by child class.
7799         (Sized_relobj::do_relocate_sections): New method declaration.
7800         (Sized_relobj::relocate_sections): Virtualize.
7801         * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
7802         Sized_relobj::relocate_sections.  Instantiate template explicitly
7803         for different target sizes and endianity.
7804
7805 2009-10-24  Doug Kwan  <dougkwan@google.com>
7806
7807         * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7808         (Arm_input_section::as_arm_input_section): New method.
7809         (Arm_output_section): New class definition.
7810         (Arm_output_section::create_stub_group,
7811         Arm_output_section::group_sections): New method definitions.
7812
7813 2009-10-22  Doug Kwan  <dougkwan@google.com>
7814
7815         * arm.cc (Arm_input_section): New class definition.
7816         (Arm_input_section::init, Arm_input_section:do_write,
7817         Arm_input_section::set_final_data_size,
7818         Arm_input_section::do_reset_address_and_file_offset): New method
7819         definitions.
7820
7821 2009-10-21  Doug Kwan  <dougkwan@google.com>
7822
7823         * arm.cc (Stub_table, Arm_input_section): New forward class
7824         declarations.
7825         (Stub_table): New class defintion.
7826         (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7827         Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7828         New method definition.
7829
7830 2009-10-21  Doug Kwan  <dougkwan@google.com>
7831
7832         * arm.cc: Update copyright comments.
7833         (Target_arm): New forward class template declaration.
7834         (Arm_address): New type.
7835         (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7836         THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7837         THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7838         constants.
7839         (Insn_template): Same.
7840         (DEF_STUBS): New macro.
7841         (Stub_type): New enum type.
7842         (Stub_template): New class definition.
7843         (Stub): Same.
7844         (Reloc_stub): Same.
7845         (Stub_factory): Same.
7846         (Target_arm::Target_arm): Initialize may_use_blx_ and
7847         should_force_pic_veneer_.
7848         (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7849         Target_arm::should_force_pic_veneer,
7850         Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7851         Target_arm::using_thumb_only, Target_arm:;default_target): New
7852         method defintions.
7853         (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7854         New data member declarations.
7855         (Insn_template::size, Insn_template::alignment): New method defintions.
7856         (Stub_template::Stub_template): New method definition.
7857         (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7858         Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7859         (Stub_factory::Stub_factory): New method definition.
7860         * gold.h (string_hash): New template.
7861         * output.h (Input_section_specifier::hash_value): Use
7862         gold::string_hash.
7863         (Input_section_specifier::string_hash): Remove.
7864         * stringpool.cc (Stringpool_template::string_hash): Use
7865         gold::string_hash.
7866
7867 2009-10-20  Doug Kwan  <dougkwan@google.com>
7868
7869         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7870         symbols of relaxed input sections.
7871         * output.h (Output_section::find_relaxed_input_section): Make
7872         method public.
7873
7874 2009-10-16  Doug Kwan  <dougkwan@google.com>
7875
7876         * dynobj.cc (Versions::Versions): Initialize version_script_.
7877         Only insert base version symbol definition for a shared object
7878         if version script defines any version versions.
7879         (Versions::define_base_version): New method definition.
7880         (Versions::add_def): Check that base version is not needed.
7881         (Versions::add_need): Define base version lazily.
7882         * dynobj.h (Versions::define_base_version): New method declaration.
7883         (Versions::needs_base_version_): New data member declaration.
7884         * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7885         (check_DATA): Add no_version_test.stdout.
7886         (libno_version_test.so, no_version_test.o no_version_test.stdout):
7887         New make rules.
7888         * testsuite/Makefile.in: Regenerate.
7889         * testsuite/no_version_test.c: New file.
7890         * testsuite/no_version_test.sh: Ditto.
7891
7892 2009-10-16  Doug Kwan  <dougkwan@google.com>
7893
7894         * expression.cc (class Segment_start_expression): New class definition.
7895         (Segment_start_expression::value): New method definition.
7896         (script_exp_function_segment_start): Return a new
7897         Segment_start_expression.
7898         * gold/script-c.h (script_saw_segment_start_expression): New function
7899         prototype.
7900         * script-sections.cc (Script_sections::Script_sections): Initialize
7901         SAW_SEGMENT_START_EXPRESSION_ to false.
7902         (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7903         and -Tbbs options to specify section addresses if given in
7904         command line and no SEGMENT_START expression is seen in a script.
7905         * script-sections.h (Script_sections::saw_segment_start_expression,
7906         Script_sections::set_saw_segment_start_expression): New method
7907         definition.
7908         (Script_sections::saw_segment_start_expression_): New data member
7909         declaration.
7910         * script.cc (script_saw_segment_start_expression): New function.
7911         * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7912         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7913         script_test_7.sh and script_test_8.sh.
7914         (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7915         script_test_8.stdout.
7916         (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7917         (script_test_6, script_test_6.stdout, script_test_7,
7918         script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7919         * Makefile.in: Regenerate.
7920         * testsuite/script_test_6.sh: New file.
7921         * testsuite/script_test_6.t: Same.
7922         * testsuite/script_test_7.sh: Same.
7923         * testsuite/script_test_7.t: Same.
7924         * testsuite/script_test_8.sh: Same.
7925
7926 2009-10-16  Doug Kwan  <dougkwan@google.com>
7927
7928         * output.cc (Output_segment::set_section_list_address): Cast
7929         expressions to unsigned long long type to avoid format warnings.
7930
7931 2009-10-15  Ian Lance Taylor  <iant@google.com>
7932
7933         * script.cc (Script_options::add_symbol_assignment): Always add a
7934         dot assignment to script_sections_.
7935         * script-sections.cc (Script_sections::add_dot_assignment):
7936         Initialize if necessary.
7937
7938         * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7939         program headers with no load segment if there is a linker script.
7940
7941         * layout.cc (Layout::set_segment_offsets): Align the file offset
7942         to the segment aligment for -N or -n with no load segment.
7943         * output.cc (Output_segment::add_output_section): Don't crash if
7944         the first section is a TLS section.
7945         (Output_segment::set_section_list_addresses): Print an error
7946         message if the address moves backward in a linker script.
7947         * script-sections.cc
7948         (Output_section_element_input::set_section_addresses): Don't
7949         increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7950         (Orphan_output_section::set_section_addresses): Likewise.
7951
7952 2009-10-15  Doug Kwan  <dougkwan@google.com>
7953
7954         * layout.cc (Layout::finish_dynamic_section): Generate tags
7955         DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7956         DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7957         used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7958
7959 2009-10-14  Ian Lance Taylor  <iant@google.com>
7960
7961         * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7962         fields.
7963         * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7964         data_shdr fields of relinfo.
7965         * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7966         (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo.  For
7967         R_386_TLS_LDO_32, adjust based on section flags.
7968         (Target_i386::Relocate::fix_up_ldo): Remove.
7969
7970 2009-10-13  Ian Lance Taylor  <iant@google.com>
7971
7972         Add support for -pie.
7973         * options.h (class General_options): Add -pie and
7974         --pic-executable.
7975         (General_options::output_is_position_independent): Test -pie.
7976         (General_options::output_is_executable): Return true if not shared
7977         and not relocatable.
7978         (General_options::output_is_pie): Remove.
7979         * options.cc (General_options::finalize): Reject incompatible uses
7980         of -pie.
7981         * gold.cc (queue_middle_tasks): A -pie link is not static.
7982         * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7983         * symtab.cc (Symbol::final_value_is_known): Return false if
7984         output_is_position_independent.
7985         * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7986         output_is_position_independent.
7987         * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7988         output_is_position_independent.
7989         * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7990         output_is_position_independent.
7991         * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7992         two_file_pie_test.
7993         (basic_pie_test.o, basic_pie_test): New targets.
7994         (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7995         (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7996         (two_file_pie_test): New target.
7997         * testsuite/Makefile.in: Rebuild.
7998         * README: Remove note saying that -pie is not supported.
7999
8000 2009-10-13  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>
8001
8002         * options.h (class General_options): Add -init and -fini.
8003         * layout.cc (Layout::finish_dynamic_section): Emit
8004         given init and fini functions.
8005
8006 2009-10-13  Sriraman Tallam  <tmsriram@google.com>
8007
8008         * gc.h (gc_process_relocs): Check if icf is enabled using new
8009         function.
8010         * gold.cc (queue_initial_tasks): Likewise.
8011         (queue_middle_tasks): Likewise.
8012         * object.cc (do_layout): Likewise.
8013         * symtab.cc (is_section_folded): Likewise.
8014         * main.cc (main): Likewise.
8015         * reloc.cc (Read_relocs::run): Likewise.
8016         (Sized_relobj::do_scan_relocs): Likewise.
8017         * icf.cc (is_function_ctor_or_dtor): New function.
8018         (Icf::find_identical_sections): Check if function is ctor or dtor when
8019         safe icf is chosen.
8020         * options.h (General_options::icf): Change option to be an enum.
8021         (Icf_status): New enum.
8022         (icf_enabled): New method.
8023         (icf_safe_folding): New method.
8024         (set_icf_status): New method.
8025         (icf_status_): New variable.
8026         * (options.cc) (General_options::finalize): Set icf_status_.
8027         * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
8028         icf_test and icf_keep_unique_test to use the --icf enum flag.
8029         * testsuite/icf_safe_test.sh: New file.
8030         * testsuite/icf_safe_test.cc: New file.
8031
8032 2009-10-12  Sriraman Tallam  <tmsriram@google.com>
8033
8034         * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
8035         includes to gc.h and icf.h.
8036         * arm.cc: Include gc.h.
8037         * gold.cc: Likewise.
8038         * i386.cc: Likewise.
8039         * powerpc.cc: Likewise.
8040         * sparc.cc: Likewise.
8041         * x86_64.cc: Likewise.
8042         * gc.h: Include icf.h.
8043
8044 2009-10-11  Ian Lance Taylor  <iant@google.com>
8045
8046         * plugin.cc: Include "gold.h" before other header files.
8047
8048 2009-10-10  Chris Demetriou  <cgd@google.com>
8049
8050         * options.h (Input_file_argument::Input_file_type): New enum.
8051         (Input_file_argument::is_lib_): Replace with...
8052         (Input_file_argument::type_): New member.
8053         (Input_file_argument::Input_file_argument): Take Input_file_type
8054         'type' rather than boolean 'is_lib' as second argument.
8055         (Input_file_argument::is_lib): Use type_.
8056         (Input_file_argument::is_searched_file): New function.
8057         (Input_file_argument::may_need_search): Handle is_searched_file.
8058         * options.cc (General_options::parse_library): Support -l:filename.
8059         (General_options::parse_just_symbols): Update for Input_file_argument
8060         changes.
8061         (Command_line::process): Likewise.
8062         * archive.cc (Archive::get_file_and_offset): Likewise.
8063         * plugin.cc (Plugin_manager::release_input_file): Likewise.
8064         * script.cc (read_script_file, script_add_file): Likewise.
8065         * fileread.cc (Input_file::Input_file): Likewise.
8066         (Input_file::will_search_for): Handle is_searched_file.
8067         (Input_file::open): Likewise.
8068         * readsyms.cc (Read_symbols::get_name): Likewise.
8069         * testsuite/Makefile.am (searched_file_test): New test.
8070         * testsuite/Makefile.in: Regenerate.
8071         * testsuite/searched_file_test.cc: New file.
8072         * testsuite/searched_file_test_lib.cc: New file.
8073
8074 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8075             Ian Lance Taylor  <iant@google.com>
8076
8077         * descriptor.cc: Include <cstdio> and "binary-io.h".
8078         (Descriptors::open): Open the files in binary mode always.
8079         * script.cc (Lex::get_token): Treat \r as whitespace.
8080
8081 2009-10-09  Ian Lance Taylor  <iant@google.com>
8082
8083         * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
8084
8085 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8086             Ian Lance Taylor  <iant@google.com>
8087
8088         * configure.ac: Check for readv function also.
8089         * fileread.cc (readv): Define if not HAVE_READV.
8090         * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
8091         does not exist.
8092         * config.in: Regenerate.
8093         * configure: Regenerate.
8094
8095 2009-10-09  Doug Kwan  <dougkwan@google.com>
8096
8097         * layout.cc (Layout::make_output_section): Call target hook to make
8098         ordinary output section.
8099         (Layout::finalize): Adjust parameter list of call the
8100         Target::may_relax().
8101         * layout.h (class Layout::section_list): New method.
8102         * merge.h (Output_merge_base::entsize): Change visibility to public.
8103         (Output_merge_base::is_string, Output_merge_base::do_is_string):
8104         New methods.
8105         (Output_merge_string::do_is_string): New method.
8106         * object.cc (Sized_relobj::do_setup): renamed from
8107         Sized_relobj::set_up.
8108         * object.h (Sized_relobj::adjust_shndx,
8109         Sized_relobj::initializ_input_to_output_maps,
8110         Sized_relobj::free_input_to_output_maps): Change visibilities to
8111         protected.
8112         (Sized_relobj::setup): Virtualize.
8113         (Sized_relobj::do_setup): New method declaration.
8114         (Sized_relobj::invalidate_section_offset,
8115         Sized_relobj::do_invalidate_section_offset): New method decfinitions.
8116         (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
8117         * options.cc (parse_int): New function.
8118         * options.h (parse_int): New declaration.
8119         (DEFINE_int): New macro.
8120         (stub_group_size): New option.
8121         * output.cc (Output_section::Output_section): Initialize memebers
8122         merge_section_map_, merge_section_by_properties_map_,
8123         relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
8124         (Output_section::add_input_section): Handled deferred code-fill
8125         generation and remove an old comment.
8126         (Output_section::add_relaxed_input_section): New method definition.
8127         (Output_section::add_merge_input_section): Use merge section by
8128         properties map to speed to search.  Update merge section maps
8129         as appropriate.
8130         (Output_section::build_relaxation_map): New method definition.
8131         (Output_section::convert_input_sections_in_list_to_relaxed_sections):
8132         Same.
8133         (Output_section::relax_input_section): Renamed to
8134         Output_section::convert_input_sections_to_relaxed_sections and change
8135         interface to take a vector of pointers to relaxed sections.
8136         (Output_section::find_merge_section,
8137         Output_section::find_relaxed_input_section): New method definitions.
8138         (Output_section::is_input_address_mapped,
8139         Output_section::output_offset, Output_section::output_address):
8140         Use output section data maps to speed up searching.
8141         (Output_section::find_starting_output_address): Add comments.
8142         (Output_section::do_write,
8143         Output_section::write_to_postprocessing_buffer): Do code-fill
8144         generation as appropriate.
8145         (Output_section::get_input_sections): Invalidate relaxed input section
8146         map.
8147         (Output_section::restore_states): Adjust type of checkpoint .
8148         Invalidate relaxed input section map.
8149         * output.h (Output_merge_base): New class declaration.
8150         (Input_section_specifier): New class defintion.
8151         (class Output_relaxed_input_section) Change base class to
8152         Output_section_data_build.
8153         (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
8154         base class initializer.
8155         (Output_section::add_relaxed_input_section): New method declaration.
8156         (Output_section::Input_section): Change visibility to protected.
8157         (Output_section::Input_section::relobj,
8158         Output_section::Input_section::shndx): Handle relaxed input sections.
8159         Output_section::input_sections) Change visibility to protected.  Also
8160         define overload to return a non-const pointer.
8161         (Output_section::Merge_section_properties): New class defintion.
8162         (Output_section::Merge_section_by_properties_map,
8163         Output_section::Output_section_data_by_input_section_map,
8164         Output_section::Relaxation_map): New types.
8165         (Output_section::relax_input_section): Rename method to
8166         Output_section::convert_input_sections_to_relaxed_sections and change
8167         interface to take a vector of relaxed section pointers.
8168         (Output_section::find_merge_section,
8169         Output_section::find_relaxed_input_section,
8170         Output_section::build_relaxation_map,
8171         Output_section::convert_input_sections_in_list_to_relaxed_sections):
8172         New method declarations.
8173         (Output_section::merge_section_map_
8174         Output_section::merge_section_by_properties_map_,
8175         Output_section::relaxed_input_section_map_,
8176         Output_section::is_relaxed_input_section_map_valid_,
8177         Output_section::generate_code_fills_at_write_): New data members.
8178         * script-sections.cc
8179         (Output_section_element_input::set_section_addresses): Call
8180         current_data_size and addralign methods of relaxed input sections.
8181         (Orphan_output_section::set_section_addresses): Call current_data_size
8182         and addralign methods of relaxed input sections.
8183         * symtab.cc (Symbol_table::compute_final_value): Extract template
8184         from the body of Symbol_table::sized_finalize_symbol.
8185         (Symbol_table::sized_finalized_symbol): Call
8186         Symbol_table::compute_final_value.
8187         * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
8188         (Symbol_table::compute_final_value): New templated method declaration.
8189         * target.cc (Target::do_make_output_section): New method defintion.
8190         * target.h (Target::make_output_section): New method declaration.
8191         (Target::relax): Add more parameters for input objects, symbol table
8192         and layout.  Adjust call to do_relax.
8193         (Target::do_make_output_section): New method declaration.
8194         (Target::do_relax): Add parameters for input objects, symbol table
8195         and layout.
8196
8197 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8198
8199         * pread.c: Include stdio.h.
8200
8201 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8202
8203         * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
8204         defined.
8205
8206 2009-10-09  Andrew Pinski  <andrew_pinski@playstation.sony.com>
8207
8208         * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
8209         Change read_shndx type to unsigned int.
8210         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8211         int.
8212         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8213         * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
8214         Change read_shndx type to unsigned int.
8215         (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
8216         int.
8217         (Sized_dwarf_line_info::read_line_mappings): Likewise.
8218         * layout.cc (Layout::create_symtab_sections): Cast the result of
8219         local_symcount * symsize to off_t in the gold_assert.
8220
8221 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8222
8223         * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
8224         R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
8225         R_ARM_BASE_ABS.
8226         (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
8227         (Arm_relocate_functions::thm_abs5): New function.
8228         (Arm_relocate_functions::abs12): New function.
8229         (Arm_relocate_functions::abs16): New function.
8230         (Arm_relocate_functions::base_abs): New function.
8231         (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
8232         (Scan::local): Remove special handling of R_ARM_ABS8.  Handle
8233         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
8234         R_ARM_BASE_ABS.
8235         (Scan::global): Likewise.
8236         (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
8237         R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
8238         (Relocatable_size_for_reloc::get_size_for_reloc): Handle
8239         R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
8240         R_ARM_BASE_ABS.
8241
8242 2009-10-09  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8243
8244         * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
8245         (Arm_relocate_functions::movt_prel): New function.
8246         (Arm_relocate_functions::thm_movw_prel_nc): New function.
8247         (Arm_relocate_functions::thm_movt_prel): New function.
8248         (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
8249         R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
8250         (Scan::global, Relocate::relocate): Likewise.
8251         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8252
8253 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8254
8255         * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
8256         Incremental_checker.
8257         * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
8258         unsigned int.
8259         (class Incremental_inputs_header): New class.
8260         (Incremental_inputs_header_writer): Edit comment.
8261         (Incremental_inputs_entry): New class.
8262         (Incremental_inputs_entry_writer): Edit comment.
8263         (Sized_incremental_binary::do_find_incremental_inputs_section):
8264         Add *strtab_shndx parameter, fill it.
8265         (Sized_incremental_binary::do_check_inputs): New method.
8266         (Incremental_checker::can_incrementally_link_output_file): Use
8267         Sized_incremental_binary::check_inputs.
8268         (Incremental_inputs::report_command_line): Save command line in
8269         command_line_.
8270         * incremental.h:
8271         (Incremental_binary::find_incremental_inputs_section): New
8272         method.
8273         (Incremental_binary::do_find_incremental_inputs_section): Add
8274         strtab_shndx parameter.
8275         (Incremental_binary::do_check_inputs): New pure virtual method.
8276         (Sized_incremental_binary::do_check_inputs): Declare.
8277         (Incremental_checker::Incremental_checker): Add incremental_inputs
8278         parameter, use it to initialize incremental_inputs_.
8279         (Incremental_checker::incremental_inputs_): New field.
8280         (Incremental_checker::command_line): New method.
8281         (Incremental_checker::inputs): New method.
8282         (Incremental_checker::command_line_): New field.
8283
8284 2009-10-09  Mikolaj Zalewski  <mikolajz@google.com>
8285
8286         * incremental.cc: Include <cstdarg> and "target-select.h".
8287         (vexplain_no_incremental): New function.
8288         (explain_no_incremental): New function.
8289         (Incremental_binary::error): New method.
8290         (Sized_incremental_binary::do_find_incremental_inputs_section): New
8291         method.
8292         (make_sized_incremental_binary): New function.
8293         (open_incremental_binary): New function.
8294         (can_incrementally_link_file): Add checks if output is ELF and has
8295         inputs section.
8296         * incremental.h: Include "elfcpp_file.h" and "output.h".
8297         (Incremental_binary): New class.
8298         (Sized_incremental_binary): New class.
8299         (open_incremental_binary): Declare.
8300         * object.cc (is_elf_object): Use
8301         elfcpp::Elf_recognizer::is_elf_file.
8302         (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
8303         * output.h (Output_file::filesize): New method.
8304
8305 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8306
8307         * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
8308         New function.
8309         (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
8310         (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
8311         function.
8312         (Arm_relocate_functions::insert_val_thumb_movw_movt): New
8313         function.
8314         (Arm_relocate_functions::movw_abs_nc): New function.
8315         (Arm_relocate_functions::movt_abs): New function.
8316         (Arm_relocate_functions::thm_movw_abs_nc): New function.
8317         (Arm_relocate_functions::thm_movt_abs): New function.
8318         (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
8319         R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
8320         (Scan::global): Likewise.
8321         (Relocate::relocate): Likewise.
8322         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8323
8324 2009-10-07  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8325
8326         * arm.cc (Arm_relocate_functions::got_prel) New function.
8327         (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
8328         (Relocate::relocate): Likewise.
8329         (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
8330
8331 2009-10-06  Ian Lance Taylor  <iant@google.com>
8332
8333         * options.h (class General_options): Define
8334         split_stack_adjust_size parameter.
8335         * object.h (class Object): Add uses_split_stack_ and
8336         has_no_split_stack_ fields.  Add uses_split_stack and
8337         has_no_split_stack accessor functions.  Declare
8338         handle_split_stack_section.
8339         (class Reloc_symbol_changes): Define.
8340         (class Sized_relobj): Define Function_offsets.  Declare
8341         split_stack_adjust, split_stack_adjust_reltype, and
8342         find_functions.
8343         * object.cc (Object::handle_split_stack_section): New function.
8344         (Sized_relobj::do_layout): Call handle_split_stack_section.
8345         * dynobj.cc (Sized_dynobj::do_layout): Call
8346         handle_split_stack_section.
8347         * reloc.cc (Sized_relobj::relocate_sections): Call
8348         split_stack_adjust for executable sections in split_stack
8349         objects.  Pass reloc_map to relocate_section.
8350         (Sized_relobj::split_stack_adjust): New function.
8351         (Sized_relobj::split_stack_adjust_reltype): New function.
8352         (Sized_relobj::find_functions): New function.
8353         * target-reloc.h: Include "object.h".
8354         (relocate_section): Add reloc_symbol_changes parameter.  Change
8355         all callers.
8356         * target.h (class Target): Add calls_non_split method.  Declare
8357         do_calls_non_split virtual method.  Declare match_view and
8358         set_view_to_nop.
8359         * target.cc: Include "elfcpp.h".
8360         (Target::do_calls_non_split): New function.
8361         (Target::match_view): New function.
8362         (Target::set_view_to_nop): New function.
8363         * gold.cc (queue_middle_tasks): Give an error if mixing
8364         split-stack and non-split-stack objects with -r.
8365         * i386.cc (Target_i386::relocate_section): Add
8366         reloc_symbol_changes parameter.
8367         (Target_i386::do_calls_non_split): New function.
8368         * x86_64.cc (Target_x86_64::relocate_section): Add
8369         reloc_symbol_changes parameter.
8370         (Target_x86_64::do_calls_non_split): New function.
8371         * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
8372         parameter.
8373         * powerpc.cc (Target_powerpc::relocate_section): Add
8374         reloc_symbol_changes parameter.
8375         * sparc.cc (Target_sparc::relocate_section): Add
8376         reloc_symbol_changes parameter.
8377         * configure.ac: Call AM_CONDITIONAL for the default target.
8378         * configure: Rebuild.
8379         * testsuite/Makefile.am (TEST_AS): New variable.
8380         (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
8381         (check_DATA): Add split_i386 and split_x86_64 files.
8382         (SPLIT_DEFSYMS): Define.
8383         (split_i386_[1234n].o): New targets.
8384         (split_i386_[124]): New targets.
8385         (split_i386_[1234r].stdout): New targets.
8386         (split_x86_64_[1234n].o): New targets.
8387         (split_x86_64_[124]): New targets.
8388         (split_x86_64_[1234r].stdout): New targets.
8389         (MOSTLYCLEANFILES): Add new executables.
8390         * testsuite/split_i386.sh: New file.
8391         * testsuite/split_x86_64.sh: New file.
8392         * testsuite/split_i386_1.s: New file.
8393         * testsuite/split_i386_2.s: New file.
8394         * testsuite/split_i386_3.s: New file.
8395         * testsuite/split_i386_4.s: New file.
8396         * testsuite/split_i386_n.s: New file.
8397         * testsuite/split_x86_64_1.s: New file.
8398         * testsuite/split_x86_64_2.s: New file.
8399         * testsuite/split_x86_64_3.s: New file.
8400         * testsuite/split_x86_64_4.s: New file.
8401         * testsuite/split_x86_64_n.s: New file.
8402         * testsuite/testfile.cc (Target_test): Update relocation_section
8403         function.
8404         * testsuite/Makefile.in: Rebuild.
8405
8406 2009-10-06  Ian Lance Taylor  <iant@google.com>
8407
8408         * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
8409         (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
8410         changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE.  When
8411         handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
8412         the address on ldo_addrs_.
8413         (Target_i386::Relocate::fix_up_ldo): New function.
8414
8415 2009-10-06   Rafael Espindola  <espindola@google.com>
8416
8417         * plugin.cc (add_input_library): New.
8418         (Plugin::load): Add add_input_library to tv.
8419         (Plugin_manager::add_input_file): Add the is_lib argument.
8420         (add_input_file): Update call to Plugin_manager::add_input_file.
8421         (add_input_library): New.
8422         * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
8423
8424 2009-09-30  Doug Kwan  <dougkwan@google.com>
8425
8426         * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
8427         symbol and call Symbol::may_need_copy_reloc to determine if
8428         a copy reloc is needed.
8429         * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
8430         nocopyreloc is given in command line.
8431         (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
8432         given in command line.
8433         * i386.cc (Target_i386::may_need_copy_reloc): Remove.
8434         (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
8435         of the removed Target_i386::may_need_copy_reloc.
8436         * options.h (copyreloc): New option with default value false.
8437         * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8438         (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
8439         instead of the removed Target_powerpc::may_need_copy_reloc.
8440         * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
8441         (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
8442         instead of the removed Target_sparc::may_need_copy_reloc.
8443         * symtab.h (Symbol::may_need_copy_reloc): New method definition.
8444         * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
8445         (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
8446         instead of the removed Target_x86_64::may_need_copy_reloc.
8447
8448 2009-09-30  Ian Lance Taylor  <iant@google.com>
8449
8450         * object.h (class Object): Remove target_ field, and target,
8451         sized_target, and set_target methods.
8452         (Object::sized_target): Remove.
8453         (class Sized_relobj): Update declarations.  Remove sized_target.
8454         * object.cc (Sized_relobj::setup): Remove target parameter.
8455         Change all callers.
8456         (Input_objects::add_object): Don't do anything with the target.
8457         (make_elf_sized_object): Add punconfigured parameter.  Change all
8458         callers.  Set or test parameter target.
8459         * dynobj.cc (Sized_dynobj::target): Remove target parameter.
8460         Change all callers.
8461         * parameters.cc (Parameters::set_target): Change parameter type to
8462         be non-const.
8463         (Parameters::default_target): Remove.
8464         (set_parameters_target): Change parameter type to be non-const.
8465         (parameters_force_valid_target): New function.
8466         (parameters_clear_target): New function.
8467         * parameters.h (class Parameters): Update declarations.  Remove
8468         default_target method.  Add sized_target and clear_target
8469         methods.  Change target_ to be non-const.
8470         (set_parameters_target): Update declaration.
8471         (parameters_force_valid_target): Declare.
8472         (parameters_clear_target): Declare.
8473         * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
8474         as NULL if we aren't searching.
8475         (Add_symbols::run): Don't check for compatible target.
8476         * fileread.cc (Input_file::open_binary): Call
8477         parameters_force_valid_target.
8478         * gold.cc (queue_middle_tasks): Likewise.
8479         * plugin.cc (make_sized_plugin_object): Likewise.  Don't call
8480         set_target on object.
8481         * dynobj.h (class Sized_dynobj): Update declarations.
8482         * archive.cc (Archive::get_elf_object_for_member): Return NULL if
8483         make_elf_object returns NULL.
8484         (Archive::include_member): Don't check whether object target is
8485         compatible.
8486         * output.cc (Output_section::add_input_section): Get target from
8487         parameters.
8488         (Output_section::relax_input_section): Likewise.
8489         * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
8490         parameters.
8491         (Sized_relobj::do_scan_relocs): Likewise.
8492         (Sized_relobj::relocate_sections): Likewise.
8493         * resolve.cc (Symbol_table::resolve): Likewise.
8494         * symtab.cc (Symbol_table::wrap_symbol): Likewise.  Remove object
8495         parameter.  Change all callers.
8496         (Symbol_table::add_from_object): Get target from parameters.
8497         (Symbol_table::add_from_relobj): Don't check object target.
8498         (Symbol_table::add_from_dynobj): Likewise.
8499         (Symbol_table::define_special_symbol): Get target from
8500         parameters.
8501         * symtab.h (class Symbol_table): Update declaration.
8502         * testsuite/binary_unittest.cc (gold_testsuite): Remove target
8503         parameter.  Change all callers.  Clear parameter target.
8504         (Binary_test): Test target here.
8505         * testsuite/object_unittest.cc (gold_testsuite): Remove
8506         target_test_pointer parameter.  Change all callers.
8507         (Object_test): Test target here.
8508
8509 2009-09-26  Ian Lance Taylor  <iant@google.com>
8510
8511         * testsuite/initpri1.c: Don't try to use constructor priorities if
8512         compiling with gcc before 4.3.
8513
8514 2009-09-22  Mikolaj Zalewski  <mikolajz@google.com>
8515
8516         * testsuite/retain_symbols_file_test.sh (check_present): Change
8517         output file name to retain_symbols_file_test.stdout.
8518         (check_absent): Likewise.
8519
8520 2009-09-18  Craig Silverstein  <csilvers@google.com>
8521
8522         * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
8523         * options.cc: Include <cerrno> and <fstream>.
8524         (General_options::finalize): Parse -retain-symbols-file tag.
8525         * options.h: New flag.
8526         (General_options): New method should_retain_symbol, new
8527         variable symbols_to_retain.
8528         * symtab.cc (Symbol_table::sized_finalize_symbol): Test
8529         should_retain_symbol map.
8530         * testsuite/Makefile.am (retain_symbols_file_test): New test.
8531         * testsuite/Makefile.in: Regenerate.
8532         * testsuite/retain_symbols_file_test.sh: New file.
8533
8534 2009-09-18  Nick Clifton  <nickc@redhat.com>
8535
8536         * po/es.po: Updated Spanish translation.
8537
8538 2009-09-17  Doug Kwan  <dougkwan@google.com>
8539
8540         * debug.h (DEBUG_RELAXATION): New constant.
8541         (DEBUG_ALL): Add DEBUG_RELAXATION.
8542         (debug_string_to_enum): Add relaxation debug option.
8543         * layout.cc
8544         (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
8545         Layout::Relaxation_debug_check::read_sections,
8546         Layout::Relaxation_debug_check::read_sections): New method definitions.
8547         (Layout::Layout): Initialize data members
8548         record_output_section_data_from_scrips_,
8549         script_output_section_data_list_ and relaxation_debug_check_.
8550         (Layout::save_segments, Layout::restore_segments,
8551         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8552         Layout::relaxation_loop_body): New method definitions.
8553         (Layout::finalize): Support relaxation.  Move section layout code to
8554         Layout::relaxation_loop_body.
8555         (Layout::set_asection_address_from_script): Move code for orphan
8556         section placement out.
8557         (Layout::place_orphan_sections_in_script): New method definition.
8558         * layout.h (Output_segment_headers, Output_file_header):
8559         New forward class declarations.
8560         (Layout::~Layout): Define.
8561         (Layout::new_output_section_data_from_script): New method definition.
8562         (Layout::place_orphan_sections_in_script): New method declaration.
8563         (Layout::Segment_states): New type declaration.
8564         (Layout::save_segments, Layout::restore_segments,
8565         Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8566         Layout::relaxation_loop_body): New method declarations.
8567         (Layout::Output_section_data_list): New type declaration.
8568         (Layout::Relaxation_debug_check): New class definition.
8569         (Layout::record_output_section_data_from_script_,
8570         Layout::script_output_section_data_list_, Layout::segment_states_,
8571         Layout::relaxation_debug_check_): New data members.
8572         * output.cc: (Output_section_headers::do_size): New method definition.
8573         (Output_section_headers::Output_section_headers): Move size
8574         computation to Output_section_headers::do_size.
8575         (Output_segment_headers::do_size): New method definition.
8576         (Output_file_header::Output_file_header): Move size computation to
8577         Output_file_header::do_size and call it.
8578         (Output_file_header::do_size): New method definition.
8579         (Output_data_group::Output_data_group): Adjust call to
8580         Output_section_data.
8581         (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8582         (Output_symtab_xindex::do_write): Add array bound check.
8583         (Output_section::Input_section::print_to_mapfile): Handle
8584         RELAXED_INPUT_SECTION_CODE.
8585         (Output_section::Output_section): Initialize data member checkpoint_.
8586         (Output_section::~Output_section): Delete checkpoint object pointed
8587         by checkpoint_.
8588         (Output_section::add_input_section): Always add an Input_section if
8589         relaxing.
8590         (Output_section::add_merge_input_section): Add assert.
8591         (Output_section::relax_input_section): New method definition.
8592         (Output_section::set_final_data_size): Set load address to zero for
8593         an unallocated section.
8594         (Output_section::do_address_and_file_offset_have_reset_values):
8595         New method definition.
8596         (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8597         Handle relaxed input section.
8598         (Output_section::sort_attached_input_sections): Checkpoint input
8599         section list lazily.
8600         (Output_section::get_input_sections): Change type of input_sections to
8601         list of Simple_input_section pointers.  Checkpoint input section list
8602         lazily.  Also handle relaxed input sections.
8603         (Output_section::add_input_section_for_script): Take a reference to
8604         a Simple_input_section object instead of Relobj pointer and section
8605         index as parameter.  Handle relaxed input sections.
8606         (Output_section::save_states, Output_section::restore_states): New
8607         method definitions.
8608         * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8609         (Output_data::is_data_size_fixed): New method definition.
8610         (Output_data::reset_addresss_and_file_offset): Do not reset data size
8611         if it is fixed.
8612         (Output_data::address_and_file_offset_have_reset_values): New method
8613         definition.
8614         (Output_data::do_address_and_file_offset_have_reset_values): New method
8615         definition.
8616         (Output_data::set_data_size): Check that data size is not fixed.
8617         (Output_data::fix_data_size): New method definition.
8618         (Output_data::is_data_size_fixed_): New data member.
8619         (Output_section_headers::set_final_data_size): New method definition.
8620         (Output_section_headers::do_size): New method declaration.
8621         (Output_segment_headers::set_final_data_size): New method definition.
8622         (Output_segment_headers::do_size): New method declaration.
8623         (Output_file_header::set_final_data_size)::New method definition.
8624         (Output_file_header::do_size)::New method declaration.
8625         (Output_section_data::Output_section_data): Add new parameter
8626         is_data_size_fixed and use it to fix data size.
8627         (Output_data_const::Output_data_const): Adjust call to base class
8628         constructor and fix data size.
8629         (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8630         base class constructor and fix data size.
8631         (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8632         base class constructor and fix data size.
8633         (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8634         class constructor and fix data size.
8635         (Output_data_group::set_final_data_size): New method definition.
8636         (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8637         (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8638         class constructor and fix data size.
8639         (Output_relaxed_input_section): New class definition.
8640         (Output_section::Simple_input_section): New class definition.
8641         (Output_section::get_input_sections): Adjust parameter list.
8642         (Output_section::add_input_section_for_script): Same.
8643         (Output_section::save_states, Output_section::restore_states,
8644         Output_section::do_address_and_file_offset_have_reset_values,
8645         (Output_section::Input_section::Input_section): Handle
8646         RELAXED_INPUT_SECTION_CODE.  Add new overload for
8647         Output_relaxed_input_section.
8648         (Output_section::Input_section::is_input_section,
8649         Output_section::Input_section::set_output_section): Handle relaxed
8650         input section.
8651         (Output_section::Input_section::is_relaxed_input_section,
8652         Output_section::Input_section::output_section_data,
8653         Output_section::Input_section::relaxed_input_section): New method
8654         definitions.
8655         (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8656         value.
8657         (Output_section::Input_section::u1_): Update comments.
8658         (Output_section::Input_section::u2_): Add new union member poris.
8659         (Output_section::Checkpoint_output_section): New classs definition.
8660         (Output_section::relax_input_section): New method declaration.
8661         (Output_section::checkpoint_): New data member.
8662         (Output_segment): Update comments.
8663         (Output_segment::Output_segment): Un-privatize copy constructor.
8664         (Output_segment::operator=): Un-privatize.
8665         * script-sections.cc (Output_section_element::Input_section_list):
8666         Change element type to Output_section::Simple_input_section.
8667         (Output_section_element_dot_assignment::set_section_addresses):
8668         Register output section data for relaxation clean up.
8669         (Output_data_exression::Output_data_expression): Adjust call to base
8670         constructor to fix data size.
8671         (Output_section_element_data::set_section_addresses): Register
8672         Output_data_expression object for relaxation clean up.
8673         (struct Input_section_info): Replace Relobj pointer and section index
8674         pair with Output_section::Simple_input_section and Convert struct to a
8675         class.
8676         (Input_section_sorter::operator()): Adjust access to
8677         Input_section_info data member to use accessors.
8678         (Output_section_element_input::set_section_addresses): Use layout
8679         parameter.  Adjust code to use Output_section::Simple_input_section
8680         and Input_secction_info classes.  Register filler for relaxation
8681         clean up.
8682         (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8683         and section index pair with Output_section::Simple_input_section
8684         class.  Adjust code accordingly.
8685         (Phdrs_element::release_segment): New method definition.
8686         (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8687         segment list.
8688         (Script_sections::release_segments): New method definition.
8689         * gold/script-sections.h (Script_sections::release_segments): New
8690         method declaration.
8691         * gold/target.h (Target::may_relax, Target::relax,
8692         Target::do_may_relax, Target::do_relax): New method definitions.
8693
8694 2009-09-17  Viktor Kutuzov  <vkutuzov@accesssoftek.com>
8695
8696         * arm.cc (has_signed_unsigned_overflow): New function.
8697         (Arm_relocate_functions::abs8): New function.
8698         (Target_arm::Scan::local): Handle R_ARM_ABS8.
8699         (Target_arm::Scan::global): Likewise.
8700         (Target_arm::relocate::relocate): Likewise.
8701         (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8702         Likewise.
8703
8704 2009-09-16  Cary Coutant  <ccoutant@google.com>
8705
8706         * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8707         * testsuite/Makefile.in: Regenerate.
8708
8709 2009-09-11  Nick Clifton  <nickc@redhat.com>
8710
8711         * po/gold.pot: Updated by the Translation project.
8712
8713 2009-09-08  Cary Coutant  <ccoutant@google.com>
8714
8715         * output.cc (Output_file::open): Add execute permission to empty file.
8716         * testsuite/Makefile.am (permission_test): New test.
8717         * testsuite/Makefile.in: Regenerate.
8718
8719 2009-09-02  Ian Lance Taylor  <iant@google.com>
8720
8721         * output.cc (Output_file::resize): Call map_no_anonymous rather
8722         than map.
8723
8724 2009-09-01  Mikolaj Zalewski  <mikolajz@google.com>
8725
8726         * gold.cc: Include "incremental.h".
8727         (queue_initial_tasks): Call Incremental_checker methods.
8728         * incremental.cc: Include "output.h".
8729         (Incremental_checker::can_incrementally_link_output_file): New
8730         method.
8731         * incremental.h (Incremental_checker): New class.
8732
8733         * output.cc (Output_file::open_for_modification): New method.
8734         (Output_file::map_anonymous): Changed return type to bool.  Record
8735         map in base_ field.
8736         (Output_file::map_no_anonymous): New method, broken out of map.
8737         (Output_file::map): Use map_no_anonymous and map_anonymous.
8738         * output.h (class Output_file): Update declarations.
8739
8740 2009-08-24  Cary Coutant  <ccoutant@google.com>
8741
8742         * options.h (Command_line::Pre_options): New class.
8743         (Command_line::pre_options): New member.
8744         * options.cc (gold::options::ready_to_register): New variable.
8745         (One_option::register_option): Do nothing if not registering options.
8746         Assert if same short option registered twice.
8747         (General_options::General_options): Turn off option registration when
8748         done constructing.
8749         (Command_line::Pre_options::Pre_options): New constructor.
8750
8751 2009-08-24  Cary Coutant  <ccoutant@google.com>
8752
8753         * options.h (General_options::no_keep_memory): Remove incorrect
8754         short option.
8755
8756 2009-08-24  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8757
8758         * Makefile.am (am__skiplex, am__skipyacc): New.
8759         * Makefile.in: Regenerate.
8760
8761 2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
8762
8763         * Makefile.am (AM_CPPFLAGS): Renamed from ...
8764         (INCLUDES): ... this.
8765         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8766         (AM_CPPFLAGS): Renamed from ...
8767         (INCLUDE): ... this.
8768         * Makefile.in, testsuite/Makefile.in: Regenerate.
8769
8770         * Makefile.in: Regenerate.
8771         * aclocal.m4: Likewise.
8772         * config.in: Likewise.
8773         * configure: Likewise.
8774         * testsuite/Makefile.in: Likewise.
8775
8776         * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8777         * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8778         * Makefile.in: Regenerate.
8779         * testsuite/Makefile.in: Regenerate.
8780
8781 2009-08-19  Cary Coutant  <ccoutant@google.com>
8782
8783         * resolve.cc (Symbol_table::resolve): Don't complain about defined
8784         symbols in shared libraries overridden by hidden or internal symbols
8785         in the main program.
8786
8787 2009-08-19  Chris Demetriou  <cgd@google.com>
8788
8789         * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8790         checking source file names in error messages.
8791
8792 2009-08-18  Doug Kwan  <dougkwan@google.com>
8793
8794         * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8795         an elcpp::Ehdr as parameter.  Adjust call to set_target.
8796         * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8797         an elfcpp::Ehdr as parameter.
8798         * object.cc (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.  Adjust call to set_target.
8802         (make_elf_sized_object): Find target and ask target to
8803         make an ELF object.
8804         * object.h: (Object::set_target): Remove the version that looks up
8805         a target and sets it.
8806         (Sized_relobj::setup): Take a Target object instead of
8807         an elfcpp:Ehdr as parameter.
8808         * target.cc: Include dynobj.h.
8809         (Target::do_make_elf_object_implementation): New.
8810         (Target::do_make_elf_object): New.
8811         * target.h (Target::make_elf_object): New template declaration.
8812         (Target::do_make_elf_object): New method declarations.
8813         (Target::do_make_elf_object_implementation): New template declaration.
8814
8815 2009-08-14  Ian Lance Taylor  <iant@google.com>
8816
8817         * gold.h (FUNCTION_NAME): Define.
8818         (gold_unreachable): Use FUNCTION_NAME.
8819
8820 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8821
8822         * icf.cc (Icf::find_identical_sections): Issue a warning when a
8823         symbol in the --keep-unique list is not found.
8824
8825 2009-08-12  Sriraman Tallam  <tmsriram@google.com>
8826
8827         * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8828         been maked as --keep-unique.
8829         (Icf::unfold_section): New function.
8830         * icf.h (Icf::unfold_section): New function.
8831         * options.h (General_options::keep_unique): New option.
8832         * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8833         * testsuite/Makefile.in: Regenerate.
8834         * testsuite/icf_keep_unique_test.sh: New file.
8835         * testsuite/icf_keep_unique_test.cc: New file.
8836
8837 2009-08-12  Cary Coutant  <ccoutant@google.com>
8838
8839         PR 10471
8840         * resolve.cc (Symbol_table::resolve): Check for references from
8841         dynamic objects to hidden and internal symbols.
8842         * testsuite/Makefile.am (hidden_test.sh): New test.
8843         * testsuite/Makefile.in: Regenerate.
8844         * testsuite/hidden_test.sh: New script.
8845         * testsuite/hidden_test_1.c: New test source.
8846         * testsuite/hidden_test_main.c: New test source.
8847
8848 2009-08-11  Doug Kwan  <dougkwan@google.com>
8849
8850         * arm.cc: Update comments.
8851         (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8852         segment to locate the .ARM.exidx section if present.
8853
8854 2009-08-09  Doug Kwan  <dougkwan@google.com>
8855
8856         * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8857         patch.
8858
8859 2009-08-07  Sriraman Tallam  <tmsriram@google.com>
8860         * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8861         compiler warnings.
8862
8863 2009-08-06  Sriraman Tallam  <tmsriram@google.com>
8864
8865         * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8866         valid tls_segment only for non-debug-section relocations.
8867         * testsuite/Makefile.am: Add gc_tls_test.
8868         * testsuite/Makefile.in: Regenerate.
8869         * testsuite/gc_tls_test.cc: New file.
8870         * testsuite/gc_tls_test.sh: New file.
8871
8872 2009-08-05  Sriraman Tallam  <tmsriram@google.com>
8873
8874         * icf.cc: New file.
8875         * icf.h: New file.
8876         * Makefile.am (CCFILES): Add icf.cc.
8877         (HFILES): Add icf.h
8878         * Makefile.in: Regenerate.
8879         * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8880         * gc.h (gc_process_relocs): Populate lists used by icf to contain
8881         section, symbol and addend information for the relocs.
8882         * gold.cc (queue_middle_tasks): Call identical code folding.
8883         * gold.h: Add defines for multimap.
8884         * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8885         to the call of finalize_local_symbols.
8886         * main.cc (main): Create object of class Icf.
8887         * object.cc (Sized_relobj::do_layout): Allow this function to be
8888         called twice during icf.
8889         (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8890         to sections marked as identical by icf.
8891         (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8892         when available.
8893         (Sized_relobj::do_section_entsize): New function.
8894         * object.h (Object::section_entsize): New function.
8895         (Object::do_section_entsize): New pure virtual function.
8896         (Relobj::finalize_local_symbols): Add new parameter.
8897         (Relobj::do_section_entsize): New function.
8898         * options.h (General_options::icf): New option.
8899         (General_options::icf_iterations): New option.
8900         (General_options::print_icf_sections): New option.
8901         * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8902         * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8903         * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8904         icf.
8905         * symtab.cc (Symbol_table::is_section_folded): New function.
8906         (Symbol_table::sized_finalize_symbol):  Fold symbols corresponding
8907         to sections marked as identical by icf.
8908         * symtab.h (Symbol_table::set_icf): New function.
8909         (Symbol_table::icf): New function.
8910         (Symbol_table::is_section_folded): New function.
8911         (Symbol_table::icf_): New data member.
8912         * target-reloc.h (relocate_section): Ignore sections folded by icf.
8913         * testsuite/Makefile.am: Add commands to build icf_test.
8914         * testsuite/Makefile.in: Regenerate.
8915         * testsuite/icf_test.sh: New file.
8916         * testsuite/icf_test.cc: New file.
8917
8918 2009-07-24  Chris Demetriou  <cgd@google.com>
8919
8920         * layout.cc (is_compressible_debug_section): Fix incorrect
8921         comment about compressed section names.
8922
8923 2009-07-20  Ian Lance Taylor  <ian@airs.com>
8924
8925         PR 10419
8926         * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8927
8928 2009-07-16  Ian Lance Taylor  <iant@google.com>
8929
8930         PR 10400
8931         * layout.h: #include <map>.
8932         (class Kept_section): Change from struct to class.  Add accessors
8933         and setters.  Add section size to Comdat_group mapping.  Change
8934         Comdat_group to std::map.  Add is_comdat_ field.  Add
8935         linkonce_size field in union.
8936         (class Layout): Update declaration of find_or_add_kept_section.
8937         Don't declare find_kept_object.
8938         * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8939         parameter.  Add object, shndx, is_comdat, and is_group_name
8940         parameters.  Change all callers.  Adjust for new Kept_section.
8941         (Layout::find_kept_object): Remove.
8942         * object.cc (Sized_relobj::include_section_group): Update use of
8943         Kept_section.  Rename secnum to shndx.  Only record
8944         Kept_comdat_section if sections are the same size.
8945         (Sized_relobj::include_linkonce_section): Update use of
8946         Kept_section.  Only record Kept_comdat_section if sections are the
8947         same size.  Set size of linkonce section.
8948         (Sized_relobj::map_to_kept_section): Update call to
8949         get_kept_comdat_section.
8950         * object.h (class Sized_relobj): Rename fields in
8951         Kept_comdat_section to drop trailing underscores; change object
8952         field to Relobj*.  Change Kept_comdat_section_table to store
8953         struct rather than pointer.
8954         (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8955         Add kept_object and kept_shndx parameters.  Change all callers.
8956         (Sized_relobj::get_kept_comdat_section): Change return type to
8957         bool.  Add kept_object and kept_shndx parameters.  Change all
8958         callers.
8959         * plugin.cc (Pluginobj::include_comdat_group): Update call to
8960         Layout::find_or_add_kept_section.
8961
8962 2009-07-09  Ian Lance Taylor  <iant@google.com>
8963
8964         * merge.cc (Object_merge_map::initialize_input_to_output_map):
8965         Reserve space in the hash table.
8966
8967 2009-07-06  Mikolaj Zalewski  <mikolajz@google.com>
8968
8969         * fileread.cc (File_read::get_mtime): New method.
8970         * fileread.h (Timespec): New structure.
8971         (File_read::get_mtime): New method.
8972         * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8973         Renamed from timestamp_nsec.
8974         (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8975         Elf_Xword.
8976         (Incremental_inputs_entry_write::timestamp_usec): Renamed from
8977         timestamp_nsec.
8978         (Incremental_inputs::report_archive): Save mtime; style fix.
8979         (Incremental_inputs::report_obejct): Save mtime; style fix.
8980         (Incremental_inputs::report_script): Save mtime; style fix.
8981         (Incremental_inputs::finalize_inputs): Style fix.
8982         (Incremental_inputs::finalize): Style fix.
8983         (Incremental_inputs::create_input_section_data): Store inputs
8984         mtime.
8985         * incremental.h (Incremental_inputs::report_script): Add mtime
8986         argument.
8987         (Incremental_inputs::Input_info::Input_info): Intialize only one
8988         union member.
8989         (Incremental_inputs::Input_info::archive): Move to nameless
8990         union.
8991         (Incremental_inputs::Input_info::obejct): Move to nameless union.
8992         (Incremental_inputs::Input_info::script): Move to nameless union.
8993         (Incremental_inputs::mtime): New field.
8994         * script.cc (read_input_script): Pass file mtime to
8995         Incremental_input.
8996         * script.h (Script_info::inputs): Style fix.
8997
8998 2009-07-01  Ian Lance Taylor  <ian@airs.com>
8999
9000         * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
9001         instead of 32.
9002
9003 2009-06-24  Ian Lance Taylor  <iant@google.com>
9004
9005         PR 10156
9006         * layout.cc (Layout::choose_output_section): If we find an
9007         existing section, update the flags.
9008         (Layout::create_notes): New function, broken out of
9009         Layout::finalize.
9010         (Layout::finalize): Don't create note sections.
9011         (Layout::create_note): Don't crash if linker script discards
9012         section.
9013         (Layout::create_gold_note): Likewise.
9014         (Layout::create_build_id): Likewise.  Don't set
9015         after_input_sections on the section.
9016         (Layout::create_executable_stack_info): Remove target parameter.
9017         Change caller.
9018         * layout.h (class Layout): Declare create_notes.  Update
9019         declaration of create_executable_stack_info.
9020         * gold.cc (queue_middle_tasks): Call create_notes.
9021         * output.cc (Output_section::update_flags_for_input_section): Move
9022         here from output.h.  If SHF_ALLOC flag is newly set, mark address
9023         invalid.
9024         * output.h (Output_data::mark_address_invalid): New function.
9025         (class Output_section): Only declare, not define,
9026         update_flags_for_input_section.  Remove set_flags.
9027
9028 2009-06-24  Ian Lance Taylor  <iant@google.com>
9029
9030         * script-sections.cc (Output_section_definition::
9031         set_section_addresses): Rename shadowing local load_address to
9032         laddr.
9033
9034 2009-06-24  Ian Lance Taylor  <iant@google.com>
9035
9036         PR 10244
9037         * reloc.cc (relocate_sections): Skip empty relocation sections.
9038
9039 2009-06-23  Ian Lance Taylor  <iant@google.com>
9040
9041         PR 10156
9042         * layout.cc (Layout::create_note): Use choose_output_section
9043         rather than make_output_section.
9044
9045 2009-06-23  Ian Lance Taylor  <iant@google.com>
9046
9047         PR 10237
9048         * options.cc (General_options::parse_V): Set printed_version_.
9049         (General_options::General_options): Initialize printed_version_.
9050         * options.h (class General_options): Add printed_version_ field.
9051         * gold.cc (queue_initial_tasks): If there are no input files,
9052         don't give a fatal error if we printed the version information.
9053         (queue_middle_tasks): If using -r with a shared object, give a
9054         fatal error rather than an ordinary error.
9055
9056 2009-06-23  Ian Lance Taylor  <iant@google.com>
9057
9058         PR 10219
9059         * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
9060         (Layout::make_output_section): Set have_stabstr_section_ if we see
9061         a .stab*str section.
9062         (Layout::finalize): Call link_stabs_sections.
9063         (Layout::link_stabs_sections): New file.
9064         * layout.h (class Layout): Add have_stabstr_section_ field.
9065         Declare link_stabs_sections.
9066
9067 2009-06-23  Doug Kwan  <dougkwan@google.com>
9068
9069         * Makefile.am (libgold_a_LIBADD): New.
9070         (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
9071         * Makefile.in: Regenerate.
9072         * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
9073         * configure: Regenerate.
9074         * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
9075         * fileread.cc: Include sys/state.h
9076         * gold.h: Declare memmem and strndup if found missing.
9077         * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
9078
9079 2009-06-23  Ian Lance Taylor  <iant@google.com>
9080
9081         * configure.ac: Call AC_CHECK_DECLS using C, not C++.
9082         * configure: Rebuild.
9083
9084 2009-06-23  Ian Lance Taylor  <iant@google.com>
9085
9086         PR 10147
9087         * object.cc (Object::section_contents): Don't try to get a view if
9088         the section has length zero.
9089         (Object::handle_gnu_warning_section): If the section is empty, use
9090         the name of the section as the warning.
9091
9092 2009-06-23  Ian Lance Taylor  <iant@google.com>
9093
9094         PR 10133
9095         * stringpool.h (class Stringpool_template): Add optimize_ field.
9096         (Stringpool_template::set_optimize): New function.
9097         * stringpool.cc (Stringpool_template::Stringpool_template):
9098         Initialize optimize_ field.
9099         (Stringpool_template::set_string_offsets): Test local optimize
9100         fild rather than parameter.
9101         * layout.cc (Layout::Layout): Call set_optimize on the section
9102         name stringpool.
9103
9104 2009-06-22  Ian Lance Taylor  <iant@google.com>
9105
9106         PR 10030
9107         * yyscript.y: Parse TARGET.
9108         * script.cc (script_set_target): New function.
9109         * script-c.h (script_set_target): Declare.
9110         * options.cc (General_options::string_to_object_format): Rename
9111         from string_to_object_format in anonymous namespace.  Change
9112         callers.
9113         * options.h (class General_options): Declare
9114         string_to_object_format.
9115
9116 2009-06-22  Ian Lance Taylor  <iant@google.com>
9117
9118         * script-sections.cc (Script_sections::create_segments): Don't put
9119         program headers in a PT_LOAD segment if -n or -N.
9120
9121 2009-06-22  Ian Lance Taylor  <iant@google.com>
9122
9123         PR 10141
9124         * options.h (class General_options): Add -z lazy and -z now.  Sort
9125         -z options into alphabetical order.
9126         * layout.cc (Layout::finish_dynamic_section): Handle -z now.
9127
9128 2009-06-21  Ian Lance Taylor  <iant@google.com>
9129
9130         * layout.cc (Layout::make_output_section): Call
9131         Target::new_output_section.
9132         (Layout::attach_allocated_section_to_segment): Put large section
9133         sections in a separate load segment with the large segment flag
9134         set.
9135         (Layout::segment_precedes): Sort large data segments after other
9136         load segments.
9137         (align_file_offset): New static function.
9138         (Layout::set_segment_offsets): Use align_file_offset.
9139         * output.h (class Output_section): Add is_small_section_ and
9140         is_large_section_ fields.
9141         (Output_section::is_small_section): New function.
9142         (Output_section::set_is_small_section):  New function.
9143         (Output_section::is_large_section): New function.
9144         (Output_section::set_is_large_section): New function.
9145         (Output_section::is_large_data_section): New function.
9146         (class Output_segment): Add is_large_data_segment_ field.
9147         (Output_segment::is_large_data_segment): New function.
9148         (Output_segment::set_is_large_data_segment): New function.
9149         * output.cc (Output_section::Output_section): Initialize new
9150         fields.
9151         (Output_segment::Output_segment): Likewise.
9152         (Output_segment::add_output_section): Add assertion that large
9153         data sections always go in large data segments.  Force small data
9154         sections to the end of the list of data sections.  Force small BSS
9155         sections to the start of the list of BSS sections.  For large BSS
9156         sections to the end of the list of BSS sections.
9157         * symtab.h (class Symbol): Declare is_common_shndx.
9158         (Symbol::is_defined): Check Symbol::is_common_shndx.
9159         (Symbol::is_common): Likewise.
9160         (class Symbol_table): Define enum Commons_section_type.  Update
9161         declarations.  Add small_commons_ and large_commons_ fields.
9162         * symtab.cc (Symbol::is_common_shndx): New function.
9163         (Symbol_table::Symbol_table): Initialize new fields.
9164         (Symbol_table::add_from_object): Put small and large common
9165         symbols in the right list.
9166         (Symbol_table::sized_finalized_symbol): Check
9167         Symbol::is_common_shndx.
9168         (Symbol_table::sized_write_globals): Likewise.
9169         * common.cc (Symbol_table::do_allocate_commons): Allocate new
9170         common symbol lists.  Don't call do_allocate_commons_list if the
9171         list is empty.
9172         (Symbol_table::do_allocate_commons_list): Remove is_tls
9173         parameter.  Add comons_section_type parameter.  Change all
9174         callers.  Handle small and large common symbols.
9175         * object.cc (Sized_relobj::do_finalize_local_symbols): Check
9176         Symbol::is_common_shndx.
9177         * resolve.cc (symbol_to_bits): Likewise.
9178         * target.h (Target::small_common_shndx): New function.
9179         (Target::small_common_section_flags): New function.
9180         (Target::large_common_shndx): New function.
9181         (Target::large_common_section_flags): New function.
9182         (Target::new_output_section): New function.
9183         (Target::Target_info): Add small_common_shndx, large_common_shndx,
9184         small_common_section_flags, and large_common_section_flags
9185         fields.
9186         (Target::do_new_output_section): New virtual function.
9187         * arm.cc (Target_arm::arm_info): Initialize new fields.
9188         * i386.cc (Target_i386::i386_info): Likewise.
9189         * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
9190         Likewise.
9191         * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
9192         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
9193         (Target_x86_64::do_new_output_section): New function.
9194         * configure.ac: Define conditional MCMODEL_MEDIUM.
9195         * testsuite/Makefile.am (check_PROGRAMS): Add large.
9196         (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
9197         (large_LDFLAGS): Define.
9198         * testsuite/large.c: New file.
9199         * testsuite/testfile.cc (Target_test::test_target_info):
9200         Initialize new fields.
9201         * configure, testsuite/Makefile.in: Rebuild.
9202
9203 2009-06-05  Doug Kwan  <dougkwan@google.com>
9204
9205         * Makefile.am (CCFILES): Add target.cc.
9206         * Makefile.in: Regenerate.
9207         * i386.cc (class Target_i386): Define new virtual method to
9208         override do_is_local_label_name in parent.
9209         * object.cc (Sized_relobj::do_count_local_symbols): Discard
9210         local symbols if --discard-locals or -X is given.
9211         * options.h (class General_options): Declare new options
9212         '--discard-locals' and '-X' for discarding locals.
9213         * target.h (class Target): Define new methods is_local_label_name.
9214         Declare new virtual method do_is_local_label_name.
9215         * target.cc: New file.
9216         * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
9217         (check_SCRIPTS): Add discard_locals_test.sh.
9218         (check_DATA): Add discard_local_tests.syms.
9219         (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
9220         (discard_local_tests.syms, discard_locals_test.o): New make rules.
9221         * testsuite/Makefile.in: Regenerate.
9222         * testsuite/discard_locals_test.c: New file.
9223         * testsuite/discard_locals_test.sh: Same.
9224
9225 2009-06-05  Doug Kwan  <dougkwan@google.com>
9226
9227         * object.cc (Sized_relobj::Sized_relobj): Initialize
9228         discarded_eh_frame_shndx_ to -1U.
9229         (Sized_relobj::do_layout): Record index of a discard .eh_frame
9230         section.
9231         (Sized_relobj::do_count_local_symbols): Skip local symbols in
9232         a discarded .eh_frame section.
9233         (Sized_relobj::do_finalize_local_symbols): Ditto.
9234         * object.h (class Sized_relobj): Declare new member
9235         discarded_eh_frame_shndx_.
9236         * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
9237         (local_labels_test.o, local_labels_test): New rules.
9238         * testsuite/Makefile.in: Regenerate.
9239
9240 2009-06-04  Doug Kwan  <dougkwan@google.com>
9241
9242         * layout.cc (Layout::section_name_mapping): Add mapping for
9243         special ARM sections.
9244
9245 2009-06-03  Doug Kwan  <dougkwan@google.com>
9246
9247         * arm.cc (utils::sign_extend): Reverse test in gold_assert.
9248         (utils::has_overflow): Same.
9249
9250 2009-06-03  Ian Lance Taylor  <iant@google.com>
9251
9252         * layout.cc (Layout::section_name_mapping): New array, replacing
9253         Layout::linkonce_mapping.
9254         (Layout::section_name_mapping_count): New variable, replacing
9255         Layout::linkonce_mapping_count.
9256         (Layout::linkonce_output_name): Remove.
9257         (Layout::output_section_name): Rewrite.
9258         * layout.h (class Layout): Rename Linkonce_mapping to
9259         Section_name_mapping, linkonce_mapping to section_name_mapping,
9260         linkonce_mapping_count to section_name_mapping_count.  Don't
9261         declare linkonce_output_name.
9262
9263 2009-06-03  Doug Kwan  <dougkwan@google.com>
9264
9265         * gold/arm.cc (namespace utils): New.
9266         (Target_arm::reloc_is_non_pic): Define new method.
9267         (class Arm_relocate_functions): New.
9268         (Target_arm::Relocate::relocate): Handle relocation types used by
9269         Android.
9270
9271 2009-06-03  Ian Lance Taylor  <iant@google.com>
9272
9273         * arm.cc (Target_arm::scan::global): Use || instead of |.
9274
9275 2009-06-02  Doug Kwan  <dougkwan@google.com>
9276
9277         * gold/arm.cc (Target_arm::Scan::Scan):  Initialize
9278         issued_non_pic_error_.
9279         (class Target_arm::Scan): Declare new method check_non_pic.
9280         Define new method symbol_needs_plt_entry.
9281         Declare new data member issued_non_pic_error_.
9282         (class Target_arm::Relocate): Declare new method
9283         should_apply_static_reloc.
9284         (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
9285         (Target_arm::Scan::check_non_pic): Define new method.
9286         (Target_arm::Scan::local): Handle a small subset of reloc types used
9287         by Android.
9288         (Target_arm::Scan::local): Same.
9289         (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
9290
9291 2009-05-31  Mikolaj Zalewski  <mikolajz@google.com>
9292
9293         * incremental.cc (Incremental_inputs::report_command_line): Filter
9294         out --incremental-* options.
9295
9296 2009-05-29  Doug Kwan  <dougkwan@google.com>
9297
9298         * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
9299         template class.
9300         (class Target_arm): Update comment.
9301         (Target_arm::Target_arm): Initialize new data members GOT_,
9302         PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
9303         Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
9304         and Target_arm::rel_dyn_section.
9305         Declare new_enum Target_arm::Got_type.
9306         Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
9307         and DYNBSS_.
9308         Update commments for member do_dynsym_value.
9309         (Target_arm::got_size, Target_arm::plt_section,
9310         Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
9311         new methods inside class defintion.
9312         (Target_arm::got_section): Define new method.
9313         (Target_arm::rel_dyn_section): Same.
9314         (Output_data_plt_arm): New template class.
9315         (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
9316         (Output_data_plt_arm:do_adjust_output_section): Define new method.
9317         (Output_data_plt_arm::add_entry): Same.
9318         (Output_data_plt_arm::first_plt_entry): Define new
9319         static data member for PLT instruction template.
9320         (Output_data_plt_arm::plt_entry): Same.
9321         (Output_data_plt_arm::do_write): Define new method.
9322         (Target_arm::make_plt_entry): Same.
9323         (Target_arm::do_finalize_sections): Same.
9324         (Target_arm::do_dynsym_value): Same.
9325
9326 2009-05-28  Doug Kwan  <dougkwan@google.com>
9327
9328         * Makefile.am (TARGETSOURCES): Add arm.cc.
9329         (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
9330         * Makefile.in: Regenerate.
9331         * arm.cc: New file.
9332         * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
9333
9334 2009-05-26  Doug Kwan  <dougkwan@google.com>
9335
9336         * options.cc (General_options::parse_exclude_libs).  Fix a comment.
9337         (General_options::check_excluded_libs): Strip off directories in
9338         archive name before matching like GNU ld does.
9339         * testsuite/Makefile.am (MOSTLYCLEANFILES,
9340         exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
9341         (exclude_libs_test_LDFLAGS): Add linker option
9342         -Wl,--exclude-libs,libexclude_libs_test_3
9343         (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
9344         an explicit archive without using -l.
9345         (alt/libexclude_libs_test_3.a): New make rule.
9346         * testsuite/Makefile.in: Regenerate.
9347         * testsuite/exclude_libs_test.c : Declare lib3_default().
9348         (main): Call it.
9349         * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
9350         * exclude_libs_test_3.c: New file.
9351
9352 2009-05-26  Nick Clifton  <nickc@redhat.com>
9353
9354         * po/id.po: New Indonesian translation.
9355         * po/gold.pot: Updated template file.
9356
9357 2009-05-22  Sriraman Tallam  <tmsriram@google.com>
9358
9359         * testsuite/Makefile.am: Add -ffunction-sections to compile
9360         gc_comdat_test files.  Add -Wl,--gc-sections to build
9361         gc_comdat_test.
9362         * testsuite/Makefile.in: Regenerate.
9363         * testsuite/gc_comdat_test.sh: Fix the condition around grep.
9364
9365 2009-05-21  Sriraman Tallam  <tmsriram@google.com>
9366
9367         * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
9368         kept comdat section was garbage collected.
9369         * testsuite/Makefile.am: Add test gc_comdat_test.sh.
9370         * testsuite/Makefile.in: Regenerate.
9371         * testsuite/gc_comdat_test.sh: New file.
9372         * testsuite/gc_comdat_test_1.cc: New file.
9373         * testsuite/gc_comdat_test_2.cc: New file.
9374
9375 2009-05-19  Doug Kwan  <dougkwan@google.com>
9376
9377         * archive.cc (Archive::Archive): Move constructor from archive.h
9378         to here.  Initialize no_export_.
9379         (Archive::get_elf_object_for_member): Set no_export flag of object.
9380         * archive.h (Archive::Archive): Move constructor body to
9381         archive.cc.
9382         (Archive::no_export): New method.
9383         (Archive::no_export_): New field.
9384         * object.h (Object::Object): Initialize no_export_ to false.
9385         (Object::no_export, Object::set_no_export): New methods.
9386         (Object::no_export_): New field.
9387         * options.cc (General_options::parse_exclude_libs): New method.
9388         (General_options::check_excluded_libs) Same.
9389         * options.h (exclude_libs): New option.
9390         (General_options::check_excluded_libs): New method declaration.
9391         (General_options::excluded_libs_): New field.
9392         * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
9393         default or protected visibility if an object has no-export flag set.
9394         testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
9395         (check_SCRIPTS): Add exclude_libs_test.sh.
9396         (check_DATA): Add exclude_libs_test.syms.
9397         (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
9398         libexclude_libs_test_1.a and libexclude_libs_test_2.a.
9399         (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
9400         exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
9401         (exclude_libs_test.syms, libexclude_libs_test_1.a,
9402         libexclude_libs_test_2.a): New rules.
9403         * testsuite/Makefile.in: Regenerate.
9404         * testsuite/exclude_libs_test.c: New file.
9405         * testsuite/exclude_libs_test.sh: Ditto.
9406         * testsuite/exclude_libs_test_1.c: Ditto.
9407         * testsuite/exclude_libs_test_2.c: Ditto.
9408
9409 2009-05-15  Ian Lance Taylor  <iant@google.com>
9410
9411         * configure.ac: Check for declarations for cases where libiberty.h
9412         checks HAVE_DECL_xxx.
9413         * configure, config.in: Rebuild.
9414
9415 2009-05-15  Mikolaj Zalewski  <mikolajz@google.com>
9416
9417         * gold.h (Incremental_argument_list): Remove (invalid) forward
9418         declaration.
9419         * incremental.cc (Incremental_inputs::report_achive): New method.
9420         (Incremental_inputs::report_object): New method.
9421         (Incremental_inputs::report_script): New method.
9422         (Incremental_inputs::finalize_inputs): New method.
9423         (Incremental_inputs::finalize): Call finalize_inputs().
9424         (Incremental_inputs::sized_create_incremental_inputs_section_data):
9425         Create inputs entries.
9426         * incremental.h (Incremental_input_type): New enum.
9427         (Incremental_inputs::Incremental_input): Initialize new fields.
9428         (Incremental_inputs::report_inputs): New method.
9429         (Incremental_inputs::report_achive): New method.
9430         (Incremental_inputs::report_object): New method.
9431         (Incremental_inputs::report_script): New method.
9432         (Incremental_inputs::finalize_inputs): New method.
9433         (Incremental_inputs::Input_info): New struct.
9434         (Incremental_inputs::Input_info_map): New typedef.
9435         (Incremental_inputs::lock_): New field.
9436         (Incremental_inputs::Inputs_): New field.
9437         (Incremental_inputs::Inputs_map): New field.
9438         * main.cc (main): Call Incremental_input::report_inputs.
9439         * options.h (Input_argument_list): Typedef moved from
9440         Input_arguments.
9441         (Input_file_group::Files): Remove, use ::Input_argument_list.
9442         (Input_file_group::Input_argument_list): Remove, use
9443         ::Input_argument_list.
9444         * plugin.cc (Plugin_manager::add_input_file): Add error in
9445         incremental build.
9446         * read_syms.cc (do_read_syms): Call Incremental_input::report_*
9447         functions.
9448         * script.cc (read_input_script): Call
9449         Incremental_input::report_script.
9450         * script.h (Script_info): New class.
9451
9452 2009-04-27  Ian Lance Taylor  <iant@google.com>
9453
9454         * x86_64.cc (do_adjust_output_section): Set entsize to
9455         plt_entry_size.
9456
9457 2009-04-23  Elliott Hughes  <enh@google.com>
9458
9459         * output.cc (Output_file::close): After short writes, continue
9460         writing from the correct offset in the buffer being written.
9461
9462 2009-04-23  Chris Demetriou  <cgd@google.com>
9463
9464         * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
9465         * configure: Regenerate.
9466         * config.in: Regenerate.
9467         * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
9468         if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
9469
9470 2009-04-21  Mikolaj Zalewski  <mikolajz@google.com>
9471
9472         * incremental.cc (Incremental_inputs_header_data): Renamed from
9473         Incremental_input_header_data.
9474         (Incremental_inputs_header_data::data_size): New field.
9475         (Incremental_inputs_header_data::put_input_file_count): Renamed
9476         from input_file_count.
9477         (Incremental_inputs_header_data::put_command_line_offset): Renamed
9478         from command_line_offset.
9479         (Incremental_inputs_header_data::put_reserved): Renamed from
9480         put_reserved.
9481         (Incremental_inputs_entry_data): Renamed from
9482         Incremental_input_entry_data.
9483         (Incremental_inputs_entry_data::data_size): New field.
9484         (Incremental_inputs::report_command_line): New method.
9485         (Incremental_inputs::finalize): New method.
9486         (Incremental_inputs::create_incremental_inputs_data): New method.
9487         (Incremental_inputs::sized_create_incremental_inputs_data): New method.
9488         * incremental.h: New file.
9489         * layout.cc (Layout::Layout): Handle new incremental_inputs_.
9490        (Layout::finalize): Create incremental inputs section in
9491         incremental builds.
9492        (Layout::create_incremental_info_sections): New method.
9493         * layout.h (Layout::incremental_inputs): New method.
9494        (Layout::create_incremental_info_sections): New method.
9495        (Layout::incremental_inputs_): New field.
9496         * main.cc (main): Notify Incremental_input of the command line.
9497
9498 2009-04-01  Ian Lance Taylor  <iant@google.com>
9499             Mikolaj Zalewski  <mikolajz@google.com>
9500
9501         * gold.h (reserve_unordered_map): Define, three versions, one for
9502         each version of Unordered_map.
9503         * layout.cc (Layout::Layout): Remove options parameter.  Add
9504         number_of_input_files parameter.  Don't initialize options_.
9505         Initialize number_of_input_files_ and resized_signatures_.  Move
9506         sections_are_attached_.
9507         (Layout::layout_group): Reserve space for group_signatures_.
9508         (Layout::find_or_add_kept_section): Change name parameter to be a
9509         reference.  Resize signatures_ map when it gets large enough.
9510         (Layout::layout_eh_frame): Use parameters->options() instead of
9511         this->options_.
9512         (Layout::make_output_section): Likewise.
9513         (Layout::attach_allocated_section_to_segment): Likewise.
9514         (Layout::finalize, Layout::create_executable_stack): Likewise.
9515         (Layout::set_segment_offsets, Layout::create_interp): Likewise.
9516         (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
9517         * layout.h (class Layout): Update declarations.  Remove options_
9518         field.  Add number_of_input_files_ and resized_signatures_
9519         fields.  Move sections_are_attached_ field.
9520         * main.cc (main): Pass number of input files to Layout
9521         constructor.  Don't pass options.
9522
9523 2009-03-30  Ian Lance Taylor  <iant@google.com>
9524
9525         * ffsll.c (ffsll): Correct implementation.
9526
9527 2009-03-27  Ian Lance Taylor  <iant@google.com>
9528
9529         * ffsll.c: New file.
9530         * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
9531         * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
9532         * ftruncate.c (ftruncate): Declare before definition.
9533         * mremap.c (mremap): Likewise.
9534         * pread.c (pread): Likewise.
9535         * configure, Makefile.in, config.in: Rebuild.
9536
9537         * mremap.c: New file.
9538         * configure.ac: Call AC_REPLACE_FUNCS on mremap.
9539         * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
9540         (mremap): Declare if HAVE_MREMAP is not defined.
9541         * configure, Makefile.in, config.in: Rebuild.
9542
9543 2009-03-27  Cary Coutant  <ccoutant@google.com>
9544
9545         * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9546         position independent.
9547         * sparc.cc (Target_sparc::check_non_pic): Likewise.
9548         * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9549
9550 2009-03-24  Cary Coutant  <ccoutant@google.com>
9551
9552         * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9553         an executable.
9554         (needs_dynamic_reloc): Likewise.
9555
9556 2009-03-24  Ian Lance Taylor  <iant@google.com>
9557
9558         * yyscript.y (file_cmd): Recognize EXTERN.
9559         (extern_name_list, extern_name_list_body): New nonterminals.
9560         * script.cc (script_add_extern): Define.
9561         * script-c.h (script_add_extern): Declare.
9562
9563 2009-03-24  Rafael Avila de Espindola  <espindola@google.com>
9564
9565         * object.cc (is_elf_object): Define.
9566         * object.h (is_elf_object): Declare.
9567         * archive.cc (Archive::get_elf_object_for_member): Call
9568         is_elf_object.
9569         * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
9570
9571 2009-03-24  Elliott Hughes  <enh@google.com>
9572
9573         * output.cc (Output_file::map_anonymous): Define.
9574         (Output_file::map): Use map_anonymous.  If the regular mmap fails,
9575         try an anonymous one.  Report the size if the mmap fails.
9576         * output.h (class Output_file): Declare map_anonymous.
9577
9578 2009-03-24  Ian Lance Taylor  <iant@google.com>
9579
9580         * target-select.cc (instantiate_target): Don't acquire the lock if
9581         the instantiated_target_ field has already been set.
9582
9583 2009-03-23  Ian Lance Taylor  <iant@google.com>
9584
9585         * gold-threads.h (class Initialize_lock): Define.
9586         * gold-threads.cc (class Initialize_lock_once): Define.
9587         (initialize_lock_control): New static variable.
9588         (initialize_lock_pointer): New static variable.
9589         (initialize_lock_once): New static function.
9590         (Initialize_lock::Initialize_lock): Define.
9591         (Initialize_lock::initialize): Define.
9592         * target-select.h: Include "gold-threads.h".
9593         (class Target_selector): Add lock_ and initialize_lock_ fields.
9594         Don't define instantiate_target, just declare it.
9595         * target-select.cc (Target_selector::Target_selector): Initialize
9596         new fields.
9597         (Target_selector::instantiate_target): Define.
9598         * descriptors.h: Include "gold-threads.h".
9599         (class Descriptors): Add initialize_lock_ field.
9600         * descriptors.cc (Descriptors::Descriptors): Initialize new
9601         field.
9602         (Descriptors::open): Use initialize_lock_ field
9603         * errors.h (class Errors): Add initialize_lock_ field.
9604         * errors.cc (Errors::Errors): Initialize new field.
9605         (Errors::initialize_lock): Use initialize_lock_ field.
9606         * powerpc.cc (class Target_selector_powerpc): Remove
9607         instantiated_target_ field.  In do_recognize call
9608         instantiate_target rather than do_instantiate_target.  In
9609         do_instantiate_target just allocate a new target.
9610         * sparc.cc (class Target_selector_sparc): Likewise.
9611
9612         * freebsd.h: New file.
9613         * i386.cc: Include "freebsd.h".
9614         (Target_i386): Derive from Target_freebsd rather than
9615         Sized_target.
9616         (Target_selector_i386): Derive from Target_selector_freebsd rather
9617         than Target_selector.
9618         * x86_64.cc: Include "freebsd.h".
9619         (Target_x86_64): Derive from Target_freebsd rather than
9620         Sized_target.
9621         (Target_selector_x86_64): Derive from Target_selector_freebsd
9622         rather than Target_selector.
9623         * target.h (class Target): Add adjust_elf_header and
9624         do_adjust_elf_header.
9625         * output.cc (Output_file_header:: do_sized_write): Call target
9626         adjust_elf_header routine.
9627         * configure.tgt: Set targ_osabi.
9628         * configure.ac: Define GOLD_DEFAULT_OSABI.
9629         * parameters.cc (Parameters::default_target): Pass
9630         GOLD_DEFAULT_OSABI to select_target.
9631         * target-select.h (class Target_selector): Make instantiate_target
9632         protected rather than private.
9633         * Makefile.am (HFILES): Add freebsd.h.
9634         * configure, Makefile.in, config.in: Rebuild.
9635
9636         * merge.cc (do_add_input_section): Correct pend value.  Change
9637         message about last entry not being null terminated from error to
9638         warning.
9639
9640 2009-03-20  Mikolaj Zalewski  <mikolajz@google.com>
9641
9642         * incremental.cc: New file.
9643         * Makefile.am (CCFILES): Add incremental.cc.
9644         * Makefile.in: Rebuild.
9645
9646 2009-03-19  Paul Pluzhnikov  <ppluzhnikov@google.com>
9647
9648         * layout.cc (Layout::output_section_name): Preserve names
9649         of '.note.' sections.
9650
9651 2009-03-19  Ian Lance Taylor  <iant@google.com>
9652
9653         * descriptors.cc (Descriptors::open): Check that the options are
9654         valid before using them.
9655
9656 2009-03-18  Ian Lance Taylor  <iant@google.com>
9657
9658         * script-sections.h: Include <list>.
9659         (class Script_sections): Change Sections_elements from std::vector
9660         to std::list.  Typedef public Elements_iterator.  Add
9661         orphan_section_placement_, data_segment_align_start_, and
9662         saw_data_segment_align_ fields.  Remove data_segment_align_index_
9663         field.
9664         * script-sections.cc (class Orphan_section_placement): New class.
9665         (class Sections_element): Add virtual functions is_relro and
9666         orphan_section_init.  Remove virtual function place_orphan_here.
9667         (class Output_section_definition): Add is_relro and
9668         orphan_section_init.  Remove place_orphan_here.
9669         (class Orphan_output_section): Likewise.
9670         (Script_sections::Script_sections): Update for field changes.
9671         (Script_sections::data_segment_align): Set saw_data_segment_align_
9672         and data_segment_align_start_, not data_segment_align_index.
9673         (Script_sections::data_segment_relro_end): Check
9674         saw_data_segment_align_.  Use data_segment_align_start_ rather
9675         than data_segment_align_index_.
9676         (Script_sections::place_orphan): Rewrite to use
9677         Orphan_section_placement.
9678
9679 2009-03-17  Ian Lance Taylor  <iant@google.com>
9680
9681         * archive.cc (Archive::add_symbols): Check for a version attached
9682         to the symbol name in the archive map.
9683         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9684         (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9685         (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9686         (ver_test_11.a): New target.
9687         * testsuite/Makefile.in: Rebuild.
9688
9689         * configure.ac: Check for chsize and posix_fallocate.  Replace
9690         ftruncate.
9691         * ftruncate.c: New file, from gnulib.
9692         * output.cc (posix_fallocate): Define dummy version if not
9693         HAVE_POSIX_FALLOCATE.
9694         (Output_file::map): Call posix_fallocate rather than lseek and
9695         write.
9696         * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9697         * configure, Makefile.in, config.in: Rebuild.
9698
9699 2009-03-17  Paul Pluzhnikov  <ppluzhnikov@google.com>
9700
9701         * layout.h (Layout::create_note): Add section_name parameter.
9702         * layout.cc (Layout::create_note): Likewise.
9703         (Layout::create_build_id, Layout::create_gold_note): Fix callers.
9704
9705 2009-03-17  Ian Lance Taylor  <iant@google.com>
9706
9707         * descriptors.cc: Include "options.h".
9708         (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9709         (Descriptors::open): Always use O_CLOEXEC when opening a new
9710         descriptor.  If we have a plugin, and O_CLOEXEC was not defined,
9711         then set FD_CLOEXEC.
9712
9713         * sparc.cc (class Target_sparc): Add has_got_section.
9714         (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9715         make sure we have a GOT section.
9716
9717         * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9718         (Target_sparc::Scan::local): Likewise.
9719         (Target_sparc::Scan::global): Likewise.
9720         (Target_sparc::Relocate::relocate): Likewise.
9721         (Target_sparc::Relocate::relocate_tls): Likewise.
9722
9723         * symtab.cc (Symbol_table::define_default_version): New function,
9724         broken out of add_from_object.
9725         (Symbol_table::add_from_object): Call define_default_version.
9726         (Symbol_table::define_special_symbol): Add resolve_oldsym
9727         parameter.  Change all callers.  If the version for a symbol comes
9728         from a version script, resolve it with the symbol with the same
9729         name with no version.  Also add the symbol without a version if
9730         appropriate.
9731         (do_define_in_output_data): If resolving with oldsym, don't delete
9732         sym.
9733         (do_define_in_output_segment): Likewise.
9734         (do_define_as_constant): Likewise.
9735         * symtab.h (class Symbol_table): Update declarations.
9736
9737 2009-03-13  Ian Lance Taylor  <iant@google.com>
9738
9739         * readsyms.cc (Read_symbols::incompatible_warning): New function.
9740         (Read_symbols::requeue): New function.
9741         (Read_symbols::do_read_symbols): If make_elf_object fails because
9742         the target type is not configured, and the file was searched for,
9743         issue a warning and retry with the next directory.
9744         (Add_symbols::run): If the file has an incompatible format, and
9745         it was searched for, requeue the Read_symbols task.  On error,
9746         release the object.
9747         * readsyms.h (class Read_symbols): Add dirindex_ field.  Add
9748         dirindex parameter to constructor.  Change all callers.  Declare
9749         incompatible_warning and requeue.
9750         (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9751         input_argument_ and input_group_ fields.  Add them to
9752         constructor.  Change all callers.
9753         (class Read_script): Add dirindex_ field.  Add it to constructor.
9754         Change all callers.
9755         * archive.cc (Archive::setup): Remove input_objects parameter.
9756         Change all callers.
9757         (Archive::get_file_and_offset): Likewise.
9758         (Archive::read_all_symbols): Likewise.
9759         (Archive::read_symbols): Likewise.
9760         (Archive::get_elf_object_for_member): Remove input_objects
9761         parameter.  Add punconfigured parameter.  Change all callers.
9762         (Archive::add_symbols): Change return type to bool.  Check return
9763         value of include_member.
9764         (Archive::include_all_members): Likewise.
9765         (Archive::include_member): Change return type to bool.  Return
9766         false if first included object has incompatible target.  Set
9767         included_member_ field.
9768         (Add_archive_symbols::run): If add_symbols returns false, requeue
9769         Read_symbols task.
9770         * archive.h (class Archive): Add included_member_ field.
9771         Initialize it in constructor.  Add input_file and searched_for
9772         methods.  Update declarations.
9773         (class Add_archive_symbols): Add dirpath_, dirindex_, and
9774         input_argument_ fields.  Add them to constructor.  Change all
9775         callers.
9776         * script.cc: Include "target-select.h".
9777         (class Parser_closure): Add skip_on_incompatible_target_ and
9778         found_incompatible_target_ fields.  Add
9779         skip_on_incompatible_target parameter to constructor.  Change all
9780         callers.  Add methods skip_on_incompatible_target,
9781         clear_skip_on_incompatible_target, found_incompatible_target, and
9782         set_found_incompatible_target.
9783         (read_input_script): Add dirindex parameter.  Change all callers.
9784         If parser finds an incompatible target, requeue Read_symbols
9785         task.
9786         (script_set_symbol): Clear skip_on_incompatible_target in
9787         closure.
9788         (script_add_assertion, script_parse_option): Likewise.
9789         (script_start_sections, script_add_phdr): Likewise.
9790         (script_check_output_format): New function.
9791         * script.h (read_input_script): Update declaration.
9792         * script-c.h (script_check_output_format): Declare.
9793         * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9794         (ignore_cmd): Remove OUTPUT_FORMAT.
9795         * fileread.cc (Input_file::Input_file): Add explicit this.
9796         (Input_file::will_search_for): New function.
9797         (Input_file::open): Add pindex parameter.  Change all callers.
9798         * fileread.h (class Input_file): Add input_file_argument method.
9799         Declare will_search_for.  Update declarations.
9800         * object.cc (make_elf_object): Add punconfigured parameter.
9801         Change all callers.
9802         * object.h (class Object): Make input_file public.  Add
9803         searched_for method.
9804         (make_elf_object): Update declaration.
9805         * dirsearch.cc (Dirsearch::find): Add pindex parameter.  Use it to
9806         restart search.
9807         * dirsearch.h (class Dirsearch): Update declaration.
9808         * options.h (class General_options): Add --warn-search-mismatch.
9809         * parameters.cc (Parameters::is_compatible_target): New function.
9810         * parameters.h (class Parameters): Declare is_compatible_target.
9811         * workqueue.cc (Workqueue::add_blocker): New function.
9812         * workqueue.h (class Workqueue): Declare add_blocker.
9813
9814         * fileread.cc (Input_file::open): Remove options parameter.
9815         Change all callers.
9816         (Input_file::open_binary): Likewise.
9817         * script.cc (read_input_script): Likewise.
9818         * readsyms.h (class Read_symbols): Remove options_ field.  Remove
9819         options parameter from constructor.  Change all callers.
9820         (class Read_script): Likewise.
9821         * fileread.h (class Input_file): Update declarations.
9822         * script.h (read_input_script): Update declaration.
9823
9824 2009-03-10  Nick Clifton  <nickc@redhat.com>
9825
9826         * po/es.po: New Spanish translation.
9827
9828 2009-03-06  Cary Coutant  <ccoutant@google.com>
9829
9830         * options.cc (parse_short_option): Keep dash_z from registering itself.
9831
9832 2009-03-03  Ian Lance Taylor  <iant@google.com>
9833
9834         PR 9918
9835         * target-reloc.h (relocate_section): Pass output_section to
9836         relocate.
9837         * i386.cc (Target_i386::should_apply_static_reloc): Add
9838         output_section parameter.  Change all callers.
9839         (Target_i386::Relocate::relocate): Add output_section parameter.
9840         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9841         * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9842         * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9843         * testsuite/two_file_shared.sh: New script.
9844         * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9845         (check_DATA): Add two_file_shared.dbg.
9846         (two_file_shared.dbg): New target.
9847         * testsuite/Makefile.in: Rebuild.
9848
9849 2009-03-01  Ian Lance Taylor  <iant@google.com>
9850
9851         * configure.ac: Check for byteswap.h.
9852         * configure: Rebuild.
9853         * config.in: Rebuild.
9854
9855 2009-03-01  Mikolaj Zalewski  <mikolajz@google.com>
9856
9857         * layout.cc (Layout::find_or_add_kept_section): New function.
9858         (Layout::add_comdat): Removed.
9859         * layout.h (struct Kept_section): Move out of class Layout.
9860         Remove trailing underscores from field names.  Add group_sections
9861         field.  Rename group_ field to is_group.  Change all uses.
9862         (class Layout): Declare find_or_add_kept_section, not add_comdat.
9863         * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9864         comdat_groups_ field.
9865         (Sized_relobj::include_section_group): Use
9866         find_or_add_kept_section and Kept_section::group_sections.
9867         (Sized_relobj::include_linkonce_section): Likewise.
9868         * object.cc (class Sized_relobj): Don't define Comdat_group or
9869         Comdat_group_table.  Remove find_comdat_group and
9870         add_comdat_group.  Remove comdat_groups_ field.
9871         * plugin.cc (include_comdat_group): Use
9872         Layout::find_or_add_kept_section.
9873
9874 2009-02-28  Ian Lance Taylor  <iant@google.com>
9875
9876         * README: --gc-sections and map files are now supported.  Document
9877         some build requirements.
9878
9879         PR 6992
9880         * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9881         relocatable link set the value of the section symbol to zero.
9882         * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9883         relocatable link don't include the section address in the local
9884         symbol value.
9885
9886 2009-02-27  Ian Lance Taylor  <iant@google.com>
9887
9888         PR 6811
9889         * options.h (class Search_directory): Add is_system_directory.
9890         (class General_options): Declare is_in_system_directory.
9891         * options.cc (get_relative_sysroot): Make static.
9892         (get_default_sysroot): Make static.
9893         (General_optoins::is_in_system_directory): New function.
9894         * fileread.cc (Input_file::is_in_system_directory): New function.
9895         * fileread.h (class Input_file): Declare is_in_system_directory.
9896         * object.h (class Object): Add is_in_system_directory.
9897         (class Input_objects): Remove system_library_directory_ field.
9898         * object.cc (Input_objects::add_object): Don't set
9899         system_library_directory_.
9900         (input_objects::found_in_system_library_directory): Remove.
9901         * symtab.cc (Symbol_table::write_globals): Remove input_objects
9902         parameter.  Change all callers.
9903         (Symbol_table::sized_write_globals): Likewise.
9904         (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9905         Call Object::is_in_system_directory.
9906         * symtab.h (class Symbol_table): Update declarations.
9907
9908         PR 5990
9909         * descriptors.h (Open_descriptor): Add is_on_stack field.
9910         * descriptors.cc (Descriptors::open): If the descriptor is on the
9911         top of the stack, remove it.  Initialize is_on_stack field.
9912         (Descriptors::release): Only add pod to stack if it is not on the
9913         stack already.
9914         (Descriptors::close_some_descriptor): Clear stack_next and
9915         is_on_stack fields.
9916
9917         PR 7091
9918         * output.cc (Output_section::find_starting_output_address): Rename
9919         from starting_output_address; add PADDR parameter; change return
9920         type.
9921         * output.h (class Output_section): Declare
9922         find_starting_output_address instead of starting_output_address.
9923         * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9924         section symbol for which we can't find a merge section.
9925
9926         PR 9836
9927         * symtab.cc (Symbol_table::add_from_object): If the visibility is
9928         hidden or internal, force the symbol to be local.
9929         * resolve.cc (Symbol::override_visibility): Define.
9930         (Symbol::override_base): Use override_visibility.
9931         (Symbol_table::resolve): Likewise.
9932         (Symbol::override_base_with_special): Likewise.
9933         (Symbol_table::override_with_special): If the visibility is hidden
9934         or internal, force the symbol to be local.
9935         * symtab.h (class Symbol): Add set_visibility and
9936         override_visibility.
9937         * testsuite/ver_test_1.sh: New file.
9938         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9939         (check_DATA): Add ver_test_1.syms.
9940         (ver_test_1.syms): New target.
9941         * testsuite/Makefile.in: Rebuild.
9942
9943 2009-02-25  Cary Coutant  <ccoutant@google.com>
9944
9945         * layout.cc (Layout::choose_output_section): Don't rename sections
9946         when using a linker script that has a SECTIONS clause.
9947         * Makefile.in: Regenerate.
9948
9949         * testsuite/Makefile.am (script_test_5.sh): New test case.
9950         * testsuite/Makefile.in: Regenerate.
9951         * testsuite/script_test_5.cc: New file.
9952         * testsuite/script_test_5.sh: New file.
9953         * testsuite/script_test_5.t: New file.
9954
9955 2009-02-13  Rafael Avila de Espindola  <espindola@google.com>
9956
9957         * archive.cc (Archive::include_member): Update calls to add_symbols.
9958         * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9959         the Layout argument.
9960         * dynobj.h (do_add_symbols): Add the Layout argument.
9961         * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9962         Layout argument.
9963         * object.h (Object::add_symbols): Add the Layout argument.
9964         (Object::do_add_symbols): Add the Layout argument.
9965         (Sized_relobj::do_add_symbols): Add the Layout argument.
9966         * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9967         Unify the two versions.
9968         (Add_plugin_symbols): Remove.
9969         * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9970         (Sized_pluginobj::do_add_symbols): Unify the two versions.
9971         (Add_plugin_symbols): Remove.
9972         * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9973         Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9974         (Add_symbols::run): Make it work with Pulginobj.
9975
9976 2009-02-06  Ian Lance Taylor  <iant@google.com>
9977
9978         * object.cc (Sized_relobj::do_layout): Make info message start
9979         with lower case letter.
9980
9981 2009-02-06  Mikolaj Zalewski  <mikolajz@google.com>
9982
9983         * binary.cc: Fix file comment.
9984
9985         * options.h (enum Incremental_disposition): Define.
9986         (class General_options): Add new options: --incremental,
9987         --incremental_changed, --incremental_unchanged,
9988         --incremental_unknown.  Add incremental_disposition_ and
9989         implicit_incremental_ fields.
9990         (General_options::incremental_disposition): New function.
9991         (class Position_dependent_options): Add incremental_disposition
9992         option.
9993         (Position_dependent_options::copy_from_options): Set incremental
9994         dispositions.
9995         * options.cc (General_options::parse_incremental_changed): New
9996         function.
9997         (General_options::parse_incremental_unchanged): New function.
9998         (General_options::parse_incremental_unknown): New function.
9999         (General_options::General_options): Initialize new fields
10000         incremental_disposition_ and implicit_incremental_.
10001         (General_options::finalize): Check for uasge of --incremental-*
10002         without --incremental.
10003
10004 2009-02-06  Chris Demetriou  <cgd@google.com>
10005
10006         * gold.h (gold_undefined_symbol): Change to take only a Symbol
10007         pointer and to report location as the file name associated with
10008         the symbol.
10009         (gold_undefined_symbol_at_location): New function to replace the
10010         old gold_undefined_symbol functionality.
10011         * target-reloc.h (relocate_section): Update to use
10012         gold_undefined_symbol_at_location.
10013         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10014         Call gold_undefined_symbol function rather than gold_error.
10015         * errors.h (Errors::undefined_symbol): Take location as a
10016         string, rather than calculating it from a relocation.
10017         * errors.cc (Errors::fatal): Print "fatal error:" before the
10018         formatted message.
10019         (Errors::error, Errors::error_at_location): Print "error: "
10020         before the formatted message.
10021         (Errors::undefined_symbol): Take location as a string, rather
10022         than calculating it from a relocation.
10023         (gold_undefined_symbol_at_location): New function akin to
10024         old gold_undefined_symbol, calculates location from relocation.
10025         (gold_undefined_symbol): Change to take only a Symbol pointer
10026         and to report location as the file name associated with the symbol.
10027         * testsuite/debug_msg.sh: Update for changed error messages.
10028         * testsuite/undef_symbol.sh: Likewise.
10029
10030 2009-02-04  Duncan Sands  <baldrick@free.fr>
10031
10032         PR 9812
10033         * reduced_debug_output.h
10034         (Output_reduced_debug_abbrev_section::failed): Use format for
10035         gold_warning.
10036         (Output_reduced_debug_info_section::faild): Likewise.
10037
10038 2009-01-31  Mikolaj Zalewski  <mikolajz@google.com>
10039
10040         * script.cc (Lazy_demangler): New class.
10041         (Version_script_info::get_symbol_version_helper): Demangle a
10042         symbol only once.
10043
10044 2009-01-29  Cary Coutant  <ccoutant@google.com>
10045
10046         * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
10047         to __tls_get_addr.
10048         * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
10049
10050 2009-01-28  Ian Lance Taylor  <iant@google.com>
10051
10052         * version.cc (version_string): Bump to 1.9.
10053
10054         * gold.h: Include <cstring> and <stdint.h>.
10055         * version.cc: Include <cstdio>.
10056         * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
10057         warning.
10058         * reduced_debug_output.cc (insert_into_vector): Rename from
10059         Insert_into_vector; change all callers.  Use Swap_unaligned to
10060         avoid aliasing issue; remove union since it is unnecessary.
10061
10062 2009-01-27  Sriraman Tallam  <tmsriram@google.com>
10063
10064         * Makefile.am (CCFILES): Add gc.cc.
10065         (HFILES): Add gc.h.
10066         * Makefile.in: Regenerate.
10067         * gold.cc (Gc_runner): New class.
10068         (queue_initial_tasks): Call garbage collection related tasks
10069         when corresponding options are invoked.
10070         (queue_middle_gc_tasks): New function.
10071         (queue_middle_tasks): Reorder tasks to allow relocs to be read and
10072         processed early before laying out sections during garbage collection.
10073         * gold.h (queue_middle_gc_tasks): New function.
10074         (is_prefix_of): Move from "layout.cc".
10075         * i386.cc (Target_i386::gc_process_relocs): New function.
10076         * layout.cc (is_prefix_of): Remove. Move to "gold.h"
10077         * main.cc (main): Create object of class "Garbage_collection".
10078         * object.cc (Relobj::copy_symbols_data): New function.
10079         (Relobj::is_section_name_included): New function.
10080         (Sized_relobj::do_layout): Allow this function to be called twice
10081         during garbage collection and defer layout of section during the
10082         first call.
10083         * object.h (Relobj::get_symbols_data): New function.
10084         (Relobj::is_section_name_included): New function.
10085         (Relobj::copy_symbols_data): New function.
10086         (Relobj::set_symbols_data): New function.
10087         (Relobj::get_relocs_data): New function.
10088         (Relobj::set_relocs_data): New function.
10089         (Relobj::is_output_section_offset_invalid): New pure virtual function.
10090         (Relobj::gc_process_relocs): New function.
10091         (Relobj::do_gc_process_relocs): New pure virtual function.
10092         (Relobj::sd_): New data member.
10093         (Sized_relobj::is_output_section_offset_invalid): New function.
10094         (Sized_relobj::do_gc_process_relocs): New function.
10095         * options.h (General_options::gc_sections): Modify to not be a no-op.
10096         (General_options::print_gc_sections): New option.
10097         * plugin.cc (Plugin_finish::run): Remove function call to
10098         Plugin_manager::layout_deferred_objects.  Move it to "gold.cc".
10099         * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
10100         * reloc.cc (Read_relocs::run): Add task to process relocs and
10101         determine unreferenced sections when doing garbage collection.
10102         (Gc_process_relocs): New class.
10103         (Sized_relobj::do_gc_process_relocs): New function.
10104         (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
10105         sections that are garbage collected.
10106         * reloc.h (Gc_process_relocs): New class.
10107         * sparc.cc (Target_sparc::gc_process_relocs): New function.
10108         * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
10109         symbols whose corresponding sections are garbage collected.
10110         (Symbol_table::Symbol_table): Add new parameter for the garbage
10111         collection object.
10112         (Symbol_table::gc_mark_undef_symbols): New function.
10113         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10114         (Symbol_table::gc_mark_dyn_syms): New function.
10115         (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
10116         as garbage.
10117         (Symbol_table::add_from_object): Likewise.
10118         (Symbol_table::add_from_relobj): When building shared objects, do not
10119         treat externally visible symbols as garbage.
10120         (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
10121         table information for static and relocatable links.
10122         * symtab.h (Symbol_table::set_gc): New function.
10123         (Symbol_table::gc): New function.
10124         (Symbol_table::gc_mark_undef_symbols): New function.
10125         (Symbol_table::gc_mark_symbol_for_shlib): New function.
10126         (Symbol_table::gc_mark_dyn_syms): New function.
10127         (Symbol_table::gc_): New data member.
10128         * target.h (Sized_target::gc_process_relocs): New pure virtual
10129         function.
10130         * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
10131         * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
10132
10133 2009-01-20  Chris Faylor <me.sourceware@sourceware.org>
10134
10135         * options.h (General_options::gc_sections): Define as a no-op for now.
10136         (General_options::no_keep_memory): Ditto.
10137         (General_options::Bshareable): Define.
10138         * options.cc (General_options::finalize): Honor -Bshareable.
10139
10140 2009-01-20  Andreas Schwab  <schwab@suse.de>
10141
10142         * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
10143         read the value in the contents, since we don't use it.  Use the
10144         template endianness when writing.
10145         (Relocate::relocate): Use it for R_PPC_REL16_HA.
10146
10147 2009-01-19  Andreas Schwab  <schwab@suse.de>
10148
10149         * configure.tgt (powerpc64-*): Fix targ_obj.
10150
10151 2009-01-15  Ian Lance Taylor  <iant@google.com>
10152
10153         * object.cc (Sized_relobj::write_local_symbols): Don't write out
10154         local symbols when stripping all symbols.
10155
10156 2009-01-14  Cary Coutant  <ccoutant@google.com>
10157
10158         * output.cc (Output_reloc): Add explicit instantiations.
10159
10160 2009-01-14  Cary Coutant  <ccoutant@google.com>
10161
10162         * archive.cc (Archive::get_elf_object_for_member): Remove call
10163         to File_read::claim_for_plugin.
10164         * descriptors.cc (Descriptors::open): Remove reference to
10165         is_claimed.
10166         (Descriptors::claim_for_plugin): Remove.
10167         * descriptors.h (Descriptors::claim_for_plugin): Remove.
10168         (Descriptors::is_claimed): Remove.
10169         (claim_descriptor_for_plugin): Remove.
10170         * fileread.cc (File_read::claim_for_plugin): Remove.
10171         * fileread.h (File_read::claim_for_plugin): Remove.
10172         (File_read::descriptor): Reopen descriptor if necessary.
10173         * plugin.cc  (Plugin::load): Add two new APIs to transfer vector.
10174         (Plugin_manager::all_symbols_read): Add task parameter. Change
10175         all callers.
10176         (Plugin_manager::get_input_file): New function.
10177         (Plugin_manager::release_input_file): New function.
10178         (Pluginobj::Pluginobj): Add filesize parameter and initialize
10179         corresponding data member.
10180         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
10181         and pass to base constructor. Change all callers.
10182         (get_input_file, release_input_file): New functions.
10183         (make_sized_plugin_object): Add filesize parameter. Change all callers.
10184         * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
10185         (Plugin_manager::all_symbols_read): Add task parameter.
10186         (Plugin_manager::get_input_file): New function.
10187         (Plugin_manager::release_input_file): New function.
10188         (Plugin_manager::task_): New data member.
10189         (Pluginobj::Pluginobj): Add filesize parameter.
10190         (Pluginobj::filename): New function.
10191         (Pluginobj::descriptor): New function.
10192         (Pluginobj::filesize): New function.
10193         (Pluginobj::filesize_): New data member.
10194         (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
10195         * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
10196         File_read::claim_for_plugin; use Object::unlock to unlock the file.
10197
10198         * testsuite/Makefile.am (plugin_test_4): New test case for plugins
10199         with archive libraries.
10200         * testsuite/Makefile.in: Regenerate.
10201         * testsuite/plugin_test.c (struct sym_info): New type.
10202         (get_input_file, release_input_file): New static variables.
10203         (onload): Capture new transfer vector entries.
10204         (claim_file_hook): Stop reading at end of file according to filesize.
10205         Factor out parsing of readelf output into separate function.
10206         (all_symbols_read_hook): Exercise get_input_file and release_input_file
10207         APIs and get the source file name from the symbol table.  Convert
10208         source file name to corresponding object file name.  Print info
10209         message when adding new input files.
10210         (parse_readelf_line): New function.
10211         * testsuite/plugin_test_1.sh: Add checks for new info messages.
10212         * testsuite/plugin_test_2.sh: Likewise.
10213         * testsuite/plugin_test_3.sh: Likewise.
10214         * testsuite/plugin_test_4.sh: New test case.
10215
10216 2009-01-07  Ian Lance Taylor  <iant@google.com>
10217
10218         * version.cc (version_string): Bump to 1.8.
10219
10220 2008-12-23  Cary Coutant  <ccoutant@google.com>
10221
10222         * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
10223         * plugin.cc (Plugin_manager::finish): Rename as
10224         layout_deferred_objects.  Move cleanup to separate function.
10225         (Plugin_manager::cleanup): New function.
10226         (Plugin_finish::run): Call layout_deferred_objects and cleanup
10227         separately.
10228         * plugin.h (Plugin_manager::finish): Rename as
10229         layout_deferred_objects.
10230         (Plugin_manager::cleanup): New function.
10231         (Plugin_manager::cleanup_done): New field.
10232
10233 2008-12-23  Cary Coutant  <ccoutant@google.com>
10234
10235         * plugin.cc (is_visible_from_outside): New function.
10236         (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
10237         so we don't return "IR only" status for exported symbols or -r links.
10238
10239         * testsuite/Makefile.am (plugin_test_3): New test case.
10240         * testsuite/Makefile.in: Regenerate.
10241         * testsuite/plugin_test_3.sh: New file.
10242
10243 2008-12-22  Cary Coutant  <ccoutant@google.com>
10244
10245         * object.cc (Sized_relobj::layout_section): New function.
10246         (Sized_relobj::do_layout): Defer layout of input sections until after
10247         plugin has provided replacement files.
10248         (Sized_relobj::do_layout_deferred_sections): New function.
10249         * object.h (Relobj::set_section_offset): Remove virtual keyword.
10250         (Relobj::layout_deferred_sections): New function.
10251         (Relobj::do_layout_deferred_sections): New function.
10252         (Sized_relobj::do_layout_deferred_sections): New function.
10253         (Sized_relobj::layout_section): New function.
10254         (Sized_relobj::Deferred_layout): New structure.
10255         (Sized_relobj::deferred_layout_): New field.
10256         * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
10257         Change all callers.  Layout deferred sections.
10258         (class Plugin_finish): Renamed, was Plugin_cleanup.  Change all
10259         references.
10260         (Plugin_hook::run): Move code from do_plugin_hook inline.
10261         (Plugin_hook::do_plugin_hook): Remove.
10262         * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
10263         (Plugin_manager::finish): Renamed, was cleanup.
10264         (Plugin_manager::should_defer_layout): New function.
10265         (Plugin_manager::add_deferred_layout_object): New function.
10266         (Plugin_manager::Deferred_layout_list): New type.
10267         (Plugin_manager::deferred_layout_objects_): New field.
10268         (Plugin_hook::do_plugin_hook): Remove.
10269
10270 2008-12-17  Ian Lance Taylor  <iant@google.com>
10271
10272         * options.h (class General_options): Add --no case for
10273         --export-dynamic.
10274
10275 2008-12-16  Cary Coutant  <ccoutant@google.com>
10276
10277         * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
10278         vector.
10279         (Plugin_manager::claim_file): Create plugin object even if
10280         plugin did not call the add_symbols callback.
10281         (Plugin_obj::get_symbol_resolution_info): Guard against plugin
10282         asking for more symbols than were added.
10283         * testsuite/Makefile.am (plugin_test_1): Add test case with
10284         no global symbols.
10285         (empty.syms): New target.
10286         * testsuite/Makefile.in: Regenerate.
10287         * testsuite/plugin_test.c (claim_file_hook): Add new debug
10288         message. Don't call add_symbols if no globals.
10289         (all_symbols_read_hook): Don't provide replacement for empty
10290         claimed file.
10291
10292 2008-12-12  Ian Lance Taylor  <iant@google.com>
10293
10294         * target-reloc.h (Default_scan_relocatable_relocs): Only discard
10295         r_type == 0 for a local symbol with r_sym == 0.
10296         (scan_relocatable_relocs): Pass r_sym to
10297         local_non_section_strategy.
10298         * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
10299         r_sym parameter.
10300
10301         * configure.ac: Update test for TLS descriptors: they are
10302         supported as of glibc 2.9.
10303         * configure: Rebuild.
10304
10305 2008-12-11  Ian Lance Taylor  <iant@google.com>
10306
10307         PR 7091
10308         * target-reloc.h (Default_scan_relocatable_relocs): For each
10309         function, map r_type == 0 to RELOC_DISCARD.
10310
10311 2008-12-10  Cary Coutant  <ccoutant@google.com>
10312
10313         * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
10314         object to override a kept COMDAT group from a plugin object.
10315
10316 2008-12-09  Ian Lance Taylor  <iant@google.com>
10317
10318         PR 7088
10319         * yyscript.y (file_cmd): Handle INPUT.
10320
10321         * testsuite/initpri1.c: Change all declarations to be full
10322         prototypes by adding void, to avoid compiler warnings.
10323
10324 2008-12-05  Rafael Avila de Espindola  <espindola@google.com>
10325
10326         * options.cc (General_options::parse_plugin_opt): New.
10327         (General_options::add_plugin): The argument now is just the filename.
10328         (General_options::add_plugin_option): New.
10329         * options.h (plugin_opt): New.
10330         (add_plugin): Change argument name.
10331         (add_plugin_option): New.
10332         * plugin.cc (Plugin::load): Don't parse the plugin option.
10333         * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
10334         (Plugin::add_option): New.
10335         (Plugin::args_): Change type.
10336         (Plugin::filename_): New.
10337         (Plugin_manager::add_plugin_option): New.
10338         * testsuite/Makefile.am (plugin_test_1): Use new syntax.
10339         * testsuite/Makefile.in: Regenerate.
10340
10341 2008-12-05  Cary Coutant  <ccoutant@google.com>
10342
10343         * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
10344         Handle --strip-lto-sections option.
10345         * options.h (strip_lto_sections): New option.
10346
10347 2008-12-01  Cary Coutant  <ccoutant@google.com>
10348
10349         * plugin.cc (ld_plugin_message): Change format parameter to const.
10350         Fix mismatch between new[] and delete.
10351
10352 2008-11-14  Cary Coutant  <ccoutant@google.com>
10353
10354         * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
10355         instead of -1U.
10356
10357 2008-11-05  Craig Silverstein  <csilvers@google.com>
10358
10359         * options.cc (General_options::parse_dynamic_list): New function.
10360         * options.h (General_options): New flags dynamic_list,
10361         dynamic_list_data, dynamic_list_cpp_new, and
10362         dynamic_list_cpp_typeinfo.  New variable dynamic_list_.
10363         (General_options::in_dynamic_list): New function.
10364         * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
10365         (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
10366         (Lex::can_continue_name): Likewise.
10367         (yylex): Likewise.
10368         (read_script_file): New parameter script_options.
10369         (read_dynamic_list): New function.
10370         (Script_options::define_dynamic_list): New function.
10371         (dynamic_list_keyword_parsecodes): New variable.
10372         (dynamic_list_keywords): New variable.
10373         * script.h (Script_options::define_dynamic_list): New function
10374         prototype.
10375         (read_dynamic_list): New function prototype.
10376         * symtab.cc (strprefix): New macro.
10377         (Symbol::should_add_dynsym_entry): Support dynamic_list,
10378         dynamic_list_data, dynamic_list_cpp_new, and
10379         dynamic_list_cpp_typeinfo.
10380         * yyscript.y (PARSING_DYNAMIC_LIST): New token.
10381         (dynamic_list_expr): New rule.
10382         (dynamic_list_nodes): Likewise.
10383         (dynamic_list_node): Likewise.
10384         * testsuite/Makefile.am (dynamic_list): New test.
10385         * testsuite/Makefile.in: Regenerated.
10386         * testsuite/dynamic_list.t: New file.
10387         * testsuite/dynamic_list.sh: New file.
10388
10389 2008-11-05  Craig Silverstein  <csilvers@google.com>
10390
10391         * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
10392         * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
10393         (t11_last): Likewise.
10394         * testsuite/ver_test_6.c (main): Likewise.
10395
10396 2008-10-07  Cary Coutant  <ccoutant@google.com>
10397
10398         * options.c (General_options::finalize): Add check for -static and
10399         -shared.
10400         * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
10401         is not empty.
10402
10403 2008-10-02  Cary Coutant  <ccoutant@google.com>
10404
10405         * plugin.cc (make_sized_plugin_object): Fix conditional
10406         compilation to work when not all targets are enabled.
10407
10408 2008-09-29  Cary Coutant  <ccoutant@google.com>
10409
10410         * archive.cc (Archive::get_file_and_offset): Use filename instead
10411         of name to get library path.
10412         (Archive::include_member): Unlock external member of a thin archive.
10413
10414         * testsuite/Makefile.am (TEST_AR): New variable.
10415         (thin_archive_test_1): New test.
10416         (thin_archive_test_2): New test.
10417         * testsuite/Makefile.in: Regenerate.
10418         * testsuite/thin_archive_main.cc: New file.
10419         * testsuite/thin_archive_test_1.cc: New file.
10420         * testsuite/thin_archive_test_2.cc: New file.
10421         * testsuite/thin_archive_test_3.cc: New file.
10422         * testsuite/thin_archive_test_4.cc: New file.
10423
10424 2008-09-29  Cary Coutant  <ccoutant@google.com>
10425
10426         * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
10427         * object.cc (Sized_relobj::do_layout): Use constant invalid_address
10428         instead of -1U.
10429         (Sized_relobj::do_finalize_local_symbols): Likewise.
10430         (Sized_relobj::map_to_kept_section): Likewise.
10431         * object.h (Sized_relobj::invalid_address): New constant.
10432         (Sized_relobj::do_output_section_offset): Check for invalid_address
10433         and return -1ULL.
10434         * output.cc (Output_reloc::local_section_offset): Use constant
10435         invalid_address instead of -1U.
10436         (Output_reloc::get_address): Likewise.
10437         (Output_section::output_address): Change -1U to -1ULL.
10438         * output.h (Output_reloc::invalid_address): New constant.
10439         * reloc.cc (Sized_relobj::write_sections): Use constant
10440         invalid_address instead of -1U.
10441         (Sized_relobj::relocate_sections): Likewise.
10442         * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
10443         values for merge sections.
10444         * target-reloc.h (relocate_for_relocatable): Use constant
10445         invalid_address instead of -1U.
10446
10447 2008-09-19  Cary Coutant  <ccoutant@google.com>
10448
10449         Add plugin functionality for link-time optimization (LTO).
10450         * configure.ac (plugins): Add --enable-plugins option.
10451         * configure: Regenerate.
10452         * config.in: Regenerate.
10453         * Makefile.am (LIBDL): New variable.
10454         (CCFILES): Add plugin.cc.
10455         (HFILES): Add plugin.h.
10456         (ldadd_var): Add LIBDL.
10457         * Makefile.in: Regenerate.
10458
10459         * archive.cc: Include "plugin.h".
10460         (Archive::setup): Don't preread archive symbols when using a plugin.
10461         (Archive::get_file_and_offset): Add memsize parameter.  Change callers.
10462         (Archive::get_elf_object_for_member): Call plugin hooks for claiming
10463         files.
10464         (Archive::include_member): Add symbols from plugin objects.
10465         * archive.h (Archive::get_file_and_offset): Add memsize parameter.
10466         * descriptors.cc (Descriptors::open): Check for file descriptors
10467         abandoned by plugins.
10468         (Descriptors::claim_for_plugin): New function.
10469         * descriptors.h (Descriptors::claim_for_plugin): New function.
10470         (Open_descriptor::is_claimed): New field.
10471         (claim_descriptor_for_plugin): New function.
10472         * fileread.cc (File_read::claim_for_plugin): New function.
10473         * fileread.h (File_read::claim_for_plugin): New function.
10474         (File_read::descriptor): New function.
10475         * gold.cc: Include "plugin.h".
10476         (queue_initial_tasks): Add task to call plugin hooks for generating
10477         new object files.
10478         * main.cc: Include "plugin.h".
10479         (main): Load plugin libraries.
10480         * object.h (Pluginobj): Declare.
10481         (Object::pluginobj): New function.
10482         (Object::do_pluginobj): New function.
10483         (Object::set_target): New function.
10484         * options.cc: Include "plugin.h".
10485         (General_options::parse_plugin): New function.
10486         (General_options::General_options): Initialize plugins_ field.
10487         (General_options::add_plugin): New function.
10488         * options.h (Plugin_manager): Declare.
10489         (General_options): Add --plugin option.
10490         (General_options::has_plugins): New function.
10491         (General_options::plugins): New function.
10492         (General_options::add_plugin): New function.
10493         (General_options::plugins_): New field.
10494         * plugin.cc: New file.
10495         * plugin.h: New file.
10496         * readsyms.cc: Include "plugin.h".
10497         (Read_symbols::do_read_symbols): Check for archive before checking
10498         for ELF file.  Call plugin hooks to claim files.
10499         * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
10500         from a real object file; force override when processing replacement
10501         files.
10502         * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
10503         (Symbol::init_base_object): Likewise.
10504         (Symbol::init_base_output_data): Likewise.
10505         (Symbol::init_base_output_segment): Likewise.
10506         (Symbol::init_base_constant): Likewise.
10507         (Symbol::init_base_undefined): Likewise.
10508         (Symbol::output_section): Assert that object is not a plugin.
10509         (Symbol_table::add_from_pluginobj): New function.
10510         (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
10511         undefined.
10512         (Symbol_table::sized_write_globals): Likewise.
10513         (Symbol_table::add_from_pluginobj): Instantiate template.
10514         * symtab.h (Sized_pluginobj): Declare.
10515         (Symbol::in_real_elf): New function.
10516         (Symbol::set_in_real_elf): New function.
10517         (Symbol::in_real_elf_): New field.
10518         (Symbol_table::add_from_pluginobj): New function.
10519
10520         * testsuite/Makefile.am (AM_CFLAGS): New variable.
10521         (LIBDL): New variable.
10522         (LDADD): Add LIBDL.
10523         (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
10524         (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
10525         (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
10526         (MOSTLYCLEANFILES): Likewise.
10527         * testsuite/Makefile.in: Regenerate.
10528         * testsuite/plugin_test.c: New file.
10529         * testsuite/plugin_test_1.sh: New file.
10530         * testsuite/plugin_test_2.sh: New file.
10531
10532 2008-09-16  Ian Lance Taylor  <iant@google.com>
10533
10534         * target-reloc.h (relocate_section): Check whether a symbol is
10535         defined by the ABI before reporting an undefined symbol error.
10536         * target.h (Target::is_defined_by_abi): Make parameter const.
10537         (Target::do_is_defined_by_abi): Likewise.
10538         * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
10539         * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
10540         * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
10541         * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
10542         * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
10543         * testsuite/Makefile.in: Rebuild.
10544
10545         * fileread.cc (make_view): Add casts to avoid warning.
10546
10547 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10548
10549         * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10550         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10551
10552 2008-09-16  Alexandre Oliva  <aoliva@redhat.com>
10553
10554         * options.h (General_options::output_is_executable): New.
10555         (General_options::output_is_pie): New.
10556         * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10557         for shared libraries.
10558         * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10559
10560 2008-09-11  Chris Demetriou  <cgd@google.com>
10561
10562         * options.h (origin): New -z option.
10563         * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10564         is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10565         in DT_FLAGS_1.
10566
10567 2008-09-05  Cary Coutant  <ccoutant@google.com>
10568
10569         * fileread.cc (File_read::make_view): Add check for attempt to map
10570         beyond end of file.
10571
10572 2008-09-05  Cary Coutant  <ccoutant@google.com>
10573
10574         * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10575         explicit instantiations.
10576
10577 2008-08-28  Kris Van Hees  <kris.van.hees@oracle.com>
10578
10579         PR gold/6858
10580         * options.cc (General_options::finalize): Allow undefined symbols
10581         in shlibs if linking -shared.
10582
10583         PR gold/6859
10584         * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10585         symbols as not needing a dynsym entry.
10586
10587 2008-08-20  Craig Silverstein  <csilvers@google.com>
10588
10589         * fileread.cc (File_read::open): Do not lock the file unless it
10590         was successfully opened.
10591
10592 2008-08-14  Cary Coutant  <ccoutant@google.com>
10593
10594         * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10595         Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10596         * testsuite/tls_test.cc (struct int128): 128-bit struct
10597         for testing TLS relocs with non-zero addend.
10598         (v12): New TLS variable.
10599         (t12): New test.
10600         (t_last): Add check for v12.
10601         * testsuite/tls_test.h (t12): New function.
10602         * testsuite/tls_test_main.cc (thread_routine): Call new test.
10603
10604 2008-08-13  Ian Lance Taylor  <iant@google.com>
10605
10606         * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10607         set tls_segment_ or relro_segment_.
10608         (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10609         when appropriate.
10610         * output.h (Output_section::clear_is_relro): New function.
10611         * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10612         sections specially even when output_data_ is empty.
10613         (Output_segment::maximum_alignment): When first section is relro,
10614         only force alignment for PT_LOAD segments.
10615         * script.cc (script_data_segment_align): New function.
10616         (script_data_segment_relro_end): New function.
10617         * script-c.h (script_data_segment_align): Declare.
10618         (script_data_segment_relro_end): Declare.
10619         * script-sections.h (class Script_sections): Declare
10620         data_segment_align and data_segment_relro_end.  Add fields
10621         segment_align_index_ and saw_relro_end_.
10622         * script-sections.cc (class Sections_element): Add set_is_relro
10623         virtual function.  Add new bool* parameter to place_orphan_here.
10624         Add get_output_section virtual function.
10625         (class Output_section_definition): Add set_is_relro.  Add new
10626         bool* parameter to place_orphan_here.  Add get_output_section.
10627         Add is_relro_ field.
10628         (Output_section_definition::Output_section_definition): Initialize
10629         evaluated_address_, evaluated_load_address, evaluated_addralign_,
10630         and is_relro_ fields.
10631         (Output_section_definition::place_orphan_here): Add is_relro
10632         parameter.
10633         (Output_section_definition::set_section_addresses): Set relro for
10634         output section.
10635         (Output_section_definition::alternate_constraint): Likewise.
10636         (class Orphan_output_section): Add new bool* parameter to
10637         place_orphan_here.  Add get_output_section.
10638         (Orphan_output_section::place_orphan_here): Add is_relro
10639         parameter.
10640         (Script_sections::Script_sections): Initialize
10641         data_segment_align_index_ and saw_relro_end_.
10642         (Script_sections::data_segment_align): New function.
10643         (Script_sections::data_segment_relro_end): New function.
10644         (Script_sections::place_orphan): Set or clear is_relro.
10645         (Script_sections::set_section_addresses): Force alignment of first
10646         TLS section.
10647         * yyscript.y (exp): Call script_data_segment_align and
10648         script_data_segment_relro_end.
10649         * testsuite/relro_script_test.t: New file.
10650         * testsuite/relro_test.cc (using_script): Declare.
10651         (t1, t2): Test using_script.
10652         * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10653         (relro_script_test_SOURCES): Define.
10654         (relro_script_test_DEPENDENCIES): Define.
10655         (relro_script_test_LDFLAGS): Define.
10656         (relro_script_test_LDADD): Define.
10657         (relro_script_test.so): New target.
10658         * testsuite/Makefile.in: Rebuild.
10659
10660 2008-08-06  Cary Coutant <ccoutant@google.com>
10661
10662         * archive.cc (Archive::total_archives, Archive::total_members)
10663         (Archive::total_members_loaded): New variables.
10664         (Archive::setup): Add parameter.  Add option to preread
10665         archive symbols.
10666         (Archive::read_armap): Add counter.
10667         (Archive::get_file_and_offset): New function.
10668         (Archive::get_elf_object_for_member): New function.
10669         (Archive::read_all_symbols): New function.
10670         (Archive::read_symbols): New function.
10671         (Archive::add_symbols): Add counters.
10672         (Archive::include_all_members): Use armap to find members if it's
10673         already built.
10674         (Archive::include_member): Skip reading symbols if already read.
10675         Factored code into Archive::get_file_and_offset and
10676         Archive::get_elf_object_for_member.  Changed call to
10677         Mapfile::report_include_archive_member.
10678         (Archive::print_stats): New function.
10679         * archive.h: Declare Object and Read_symbols_data classes.
10680         (Archive::Archive): Add initializers for new members.
10681         (Archive::setup): Add parameter.
10682         (Archive::print_stats): New function.
10683         (Archive::total_archives, Archive::total_members)
10684         (Archive::total_members_loaded): New variables.
10685         (Archive::get_file_and_offset): New function.
10686         (Archive::get_elf_object_for_member): New function.
10687         (Archive::read_all_symbols): New function.
10688         (Archive::read_symbols): New function.
10689         (Archive::Archive_member): New class.
10690         (Archive::members_): New member.
10691         (Archive::num_members_): New member.
10692         * main.cc: Include archive.h.
10693         (main): Call Archive::print_stats.
10694         * mapfile.cc (Mapfile::report_include_archive_member): Delete
10695         archive parameter; member_name is now the fully-decorated name.
10696         * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10697         * options.h: (General_options): Add --preread-archive-symbols option.
10698         * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10699         Archive::setup.
10700
10701 2008-08-04  Ian Lance Taylor  <iant@google.com>
10702
10703         * symtab.h (Symbol::use_plt_offset): New function.
10704         * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10705         * powerpc.cc (Relocate::relocate): Likewise.
10706         * sparc.cc (Relocate::relocate): Likewise.
10707         * x86_64.cc (Relocate::relocate): Likewise.
10708         * testsuite/weak_plt.sh: New test.
10709         * testsuite/weak_plt_main.cc: New test.
10710         * testsuite/weak_plt_shared.cc: New test.
10711         * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10712         (check_PROGRAMS): Add weak_plt.
10713         (check_DATA): Add weak_plt_shared.so.
10714         (weak_plt_main_pic.o, weak_plt): New targets.
10715         (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10716         * testsuite/Makefile.in: Rebuild.
10717
10718         * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10719         gcctestdir/ld.
10720         (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10721         * testsuite/Makefile.in: Rebuild.
10722
10723 2008-08-04  Alan Modra  <amodra@bigpond.net.au>
10724
10725         * Makefile.am (POTFILES.in): Set LC_ALL=C.
10726         * Makefile.in: Regenerate.
10727         * po/POTFILES.in: Regenerate.
10728
10729 2008-07-29  Ian Lance Taylor  <iant@google.com>
10730
10731         * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10732         symbols before other symbols.
10733         * testsuite/script_test_2.cc (test_addr): Declare.
10734         (test_addr_alias): Declare.
10735         (main): Check that test_addr and test_addr_alias have the right
10736         values.
10737         * testsuite/script_test_2.t: Define test_addr_alias and
10738         test_addr.
10739
10740 2008-07-24  Ian Lance Taylor  <iant@google.com>
10741
10742         PR 5990
10743         * descriptors.cc: New file.
10744         * descriptors.h: New file.
10745         * gold-threads.h (class Hold_optional_lock): New class.
10746         * fileread.cc: Include "descriptors.h".
10747         (File_read::~File_read): Release descriptor rather than closing
10748         it.
10749         (File_read::open) [file]: Call open_descriptor rather than open.
10750         Set is_descriptor_opened_.
10751         (File_read::open) [memory]: Assert that descriptor is not open.
10752         (File_read::reopen_descriptor): New function.
10753         (File_read::release): Release descriptor.
10754         (File_read::do_read): Make non-const.  Reopen descriptor.
10755         (File_read::read): Make non-const.
10756         (File_read::make_view): Reopen descriptor.
10757         (File_read::do_readv): Likewise.
10758         * fileread.h (class File_read): Add is_descriptor_opened_ field.
10759         Update declarations.
10760         * layout.cc: Include "descriptors.h".
10761         (Layout::create_build_id): Use open_descriptor rather than open.
10762         * output.cc: Include "descriptors.h".
10763         (Output_file::open): Use open_descriptor rather than open.
10764         * archive.cc (Archive::const_iterator): Change Archive to be
10765         non-const.
10766         (Archive::begin, Archive::end): Make non-const.
10767         (Archive::count_members): Likewise.
10768         * archive.h (class Archive): Update declarations.
10769         * object.h (Object::read): Make non-const.
10770         * Makefile.am (CCFILES): Add descriptors.cc.
10771         (HFILES): Add descriptors.h.
10772         * Makefile.in: Rebuild.
10773
10774         PR 6716
10775         * gold.h: Always include <clocale>.  Add Solaris workarounds
10776         following code in binutils/sysdep.h.
10777
10778         PR 6048
10779         * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10780         this->eh_frame_hdr_ is NULL before using it.
10781
10782         * dynobj.cc (Versions::Versions): Update comment.
10783
10784         * dynobj.cc (Versions::Versions): If there is an soname, use it as
10785         the base version name.
10786
10787         * stringpool.cc (Stringpool_template::add_with_length): Set key to
10788         array size plus one.
10789         (Stringpool_template::set_string_offsets): Subtract one from key
10790         before using it as an array index.
10791         (Stringpool_template::get_offset_with_length): Likewise.
10792         (Stringpool_template::write_to_buffer): Likewise.
10793         * stringpool.h (Stringpool_template::get_offset_from_key):
10794         Likewise.
10795
10796 2008-07-23  Ian Lance Taylor  <iant@google.com>
10797
10798         PR 6658
10799         * object.h (Merged_symbol_value::value): Do our best to handle a
10800         negative addend.
10801
10802         PR 6647
10803         * script.cc (Version_script_info::get_versions): Don't add empty
10804         version tag to return value.
10805         (Version_script_info::get_symbol_version_helper): Change return
10806         type to bool.  Add pversion parameter.  Change all callers.
10807         (script_register_vers_node): Don't require a non-NULL tag.
10808         * script.h (class Version_script_info): Update declarations.
10809         (Version_script_info::get_symbol_version): Change return type to
10810         bool.  Add version parameter.  Change all callers.
10811         * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10812         handling.  Handle an empty version from a version script.
10813         (Symbol_table::define_special_symbol): Likewise.
10814         * testsuite/ver_test_10.script: New file.
10815         * testsuite/ver_test_10.sh: New file.
10816         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10817         (check_DATA): Add ver_test_10.syms.
10818         (ver_test_10.syms, ver_test_10.so): New target.
10819         * testsuite/Makefile.in: Rebuild.
10820
10821 2008-07-23  Simon Baldwin  <simonb@google.com>
10822
10823         * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10824         to zero for undefined symbols from dynamic libraries.
10825
10826 2008-07-23  Ian Lance Taylor  <iant@google.com>
10827
10828         * symtab.cc (Symbol_table::resolve): Remove version parameter.
10829         Change all callers.
10830         * symtab.h (class Symbol_table): Update declaration.
10831         * testsuite/ver_test_9.cc: New file.
10832         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10833         (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10834         (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10835         (ver_test_9.so, ver_test_9.o): New targets.
10836         * testsuite/Makefile.in: Rebuild.
10837
10838 2008-07-22  Ian Lance Taylor  <iant@google.com>
10839
10840         * options.h (class General_options): Define --check-sections.
10841         * layout.cc (Layout::set_segment_offsets): Handle
10842         --check-sections.
10843
10844         * options.h (class General_options): Define -n/--nmagic and
10845         -N/--omagic.
10846         * options.cc (General_options::finalize): For -n/--nmagic or
10847         -N/--omagic, set -static.
10848         * layout.cc (Layout::attach_allocated_section_to_segment): If
10849         -N/--omagic, don't put read-only and read-write sections in
10850         different segments.
10851         (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10852         finding a read-only segment.
10853         (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10854         don't set the minimum segment alignment to the common page size,
10855         and don't set the file offset to the address modulo the page size.
10856         * script-sections.cc (Script_sections::create_segments): If
10857         -n/--omagic, don't put read-only and read-write sections in
10858         different segments.
10859
10860         * cref.cc: New file.
10861         * cref.h: New file.
10862         * options.h (class General_options): Add --print-symbol-counts.
10863         * main.cc (main): Issue defined symbol report if requested.
10864         * archive.cc (Archive::interpret_header): Make into a const member
10865         function.
10866         (Archive::add_symbols): Call Input_objects::archive_start and
10867         archive_stop.
10868         (Archive::const_iterator): Define new class.
10869         (Archive::begin, Archive::end): New functions.
10870         (Archive::include_all_members): Rewrite to use iterator.
10871         (Archive::count_members): New function.
10872         * archive.h (class Archive): Update declarations.
10873         (Archive::filename): New function.
10874         * object.cc: Include "cref.h".
10875         (Sized_relobj::Sized_relobj): Initialize defined_count_.
10876         (Sized_relobj::do_get_global_symbol_counts): New function.
10877         (Input_objects::add_object): Add object to cross-referencer.
10878         (Input_objects::archive_start): New function.
10879         (Input_objects::archive_stop): New function.
10880         (Input_objects::print_symbol_counts): New function.
10881         * object.h: Declare Cref and Archive.
10882         (Object::get_global_symbol_counts): New function.
10883         (Object::do_get_global_symbol_counts): New pure virtual function.
10884         (class Sized_relobj): Add defined_count_ field.  Update
10885         declarations.
10886         (class Input_objects): Add cref_ field.  Update constructor.
10887         Update declarations.
10888         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10889         defined_count_.
10890         (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10891         symbol counts.
10892         (Sized_dynobj::do_get_global_symbol_counts): New function.
10893         * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10894         defined_count_.  Update declarations.  Define Symbols typedef.
10895         * symtab.cc (Symbol_table::add_from_relobj): Add defined
10896         parameter.  Change all callers.
10897         (Symbol_table::add_from_dynobj): Add sympointers and defined
10898         parameters.  Change all callers.
10899         * symtab.h (class Symbol_table): Update declarations.
10900         * Makefile.am (CCFILES): Add cref.cc.
10901         (HFILES): Add cref.h.
10902         * Makefile.in: Rebuild.
10903
10904 2008-07-22  Simon Baldwin  <simonb@google.com>
10905
10906         * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10907         to zero when writing undefined symbols.
10908
10909 2008-07-22  Ian Lance Taylor  <iant@google.com>
10910
10911         * output.cc (Output_section::add_input_section): Don't try to
10912         merge empty merge sections.
10913
10914 2008-07-21  Craig Silverstein  <csilvers@google.com>
10915
10916         * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10917         Include symbol version in error message.
10918
10919 2008-07-20  Chris Demetriou  <cgd@google.com>
10920
10921         * configure.ac (gold_cv_c_random_seed): New configured variable.
10922         (RANDOM_SEED_CFLAGS): New substituted variable.
10923         * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10924         * configure: Rebuild.
10925         * Makefile.in: Likewise.
10926         * testsuite/Makefile.in: Likewise.
10927
10928 2008-07-18  Ian Lance Taylor  <iant@google.com>
10929
10930         * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10931         where we see NAME/NULL and NAME/VERSION  as separate symbols.
10932         * testsuite/ver_test_main.cc (main): Call t4.
10933         (t4, t4_2a): Define.
10934         * testsuite/ver_test_2.cc (t4_2): Define.
10935         * testsuite/ver_test_2.script: Put t4_2a in VER2.
10936         * testsuite/ver_test_4.cc (t4_2a): Define.
10937         * testsuite/ver_test_4.script: Put t4_2a in VER2.
10938         * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10939
10940 2008-07-17  Ian Lance Taylor  <iant@google.com>
10941
10942         * dynobj.cc (Versions::add_def): If we give an error about a
10943         missing version, go ahead and create the version anyhow.
10944
10945 2008-07-10  Ian Lance Taylor  <iant@google.com>
10946
10947         Handle output sections with more than 0x7fffffff bytes.
10948         * object.h (class Relobj): Change map_to_output_ to
10949         output_sections_, and just keep a section pointer.  Change all
10950         uses.  Move comdat group support to Sized_relobj.
10951         (Relobj::is_section_specially_mapped): Remove.
10952         (Relobj::output_section): Remove poff parameter.  Change all
10953         callers.
10954         (Relobj::output_section_offset): New function.
10955         (Relobj::set_section_offset): Rewrite.
10956         (Relobj::map_to_output): Remove.
10957         (Relobj::output_sections): New function.
10958         (Relobj::do_output_section_offset): New pure virtual function.
10959         (Relobj::do_set_section_offset): Likewise.
10960         (class Sized_relobj): Add section_offsets_ field.  Add comdat
10961         group support from Relobj.  Update declarations.
10962         (Sized_relobj::get_output_section_offset): New function.
10963         (Sized_relobj::do_output_section_offset): New function.
10964         (Sized_relobj::do_set_section_offset): New function.
10965         * object.cc (Relobj::output_section_address): Remove.
10966         (Sized_relobj::Sized_relobj): Initialize new fields.
10967         (Sized_relobj::include_section_group): Cast find_kept_object to
10968         Sized_relobj.
10969         (Sized_relobj::include_linkonce_section): Likewise.
10970         (Sized_relobj::do_layout): Use separate arrays for output section
10971         and output offset.
10972         (Sized_relobj::do_count_local_symbols): Change map_to_output to
10973         output_sections.
10974         (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10975         output_sections and section_offsets.
10976         (Sized_relobj::write_local_symbols): Likewise.
10977         (map_to_kept_section): Compute output address directly.
10978         * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10979         output_sections and section_offsets.
10980         (Sized_relobj::write_sections): Likewise.
10981         (Sized_relobj::relocate_sections): Likewise.
10982         * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10983         * output.h (class Output_reloc): Update declarations.  Change
10984         u2_.relobj to Sized_relobj*.
10985         (class Output_data_reloc): Change add functions to use
10986         Sized_relobj*.
10987         * output.cc (Output_reloc::Output_reloc): Change relobj to
10988         Sized_relobj*.
10989         (Output_reloc::local_section_offset): Change return type to
10990         Elf_Addr.  Use get_output_section_offset.
10991         (Output_reloc::get_address): Likewise.
10992         (Output_section::is_input_address_mapped): Don't call
10993         is_section_specially_mapped.
10994         (Output_section::output_offset): Likewise.
10995         (Output_section::output_address): Likewise.
10996         (Output_section::starting_output_address): Likewise.
10997         * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10998         parameter to Sized_relobj*.
10999         (Copy_relocs::need_copy_reloc): Likewise.
11000         (Copy_relocs::save): Likewise.
11001         * copy-relocs.h (class Copy_relocs): Update declarations.
11002         (class Copy_relocs::Copy_reloc_entry): Change constructor to use
11003         Sized_relobj*.  Change relobj_ field to Sized_relobj*.
11004         * target-reloc.h (relocate_for_relocatable): Change
11005         offset_in_output_section type to Elf_Addr.  Change code that uses
11006         it as well.
11007         * layout.cc (Layout::layout): Always set *off.
11008         * mapfile.cc (Mapfile::print_input_section): Use
11009         output_section_offset.
11010         * i386.cc (Target_i386::copy_reloc): Change object parameter to
11011         Sized_relobj*.
11012         * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
11013         * sparc.cc (Target_sparc::copy_reloc): Likewise.
11014         * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
11015
11016 2008-07-03  Ian Lance Taylor  <iant@google.com>
11017
11018         * layout.cc (Layout::include_section): Do not discard unrecognized
11019         SHT_STRTAB sections.
11020
11021 2008-06-30  Craig Silverstein  <csilvers@cs.stanford.edu>
11022
11023         * script.cc (Lex::can_continue_name): Make '?' allowable in
11024         version-script names.
11025         * testsuite/version_script.map: Change glob pattern to use '?'
11026
11027 2008-06-30  Manish Singh  <yosh@gimp.org>
11028
11029         PR 6585
11030         * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
11031         Correct typo.
11032
11033 2008-06-30  Ian Lance Taylor  <iant@google.com>
11034
11035         PR 6660
11036         PR 6682
11037         * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
11038         versions]: Don't try to read the value in the contents, since we
11039         don't use it.  Use the template endianness when writing.
11040
11041 2008-06-25  Cary Coutant  <ccoutant@google.com>
11042
11043         * fileread.cc (File_read::make_view): Assert on zero-length view.
11044         * object.cc (Sized_relobj::do_read_symbols): Don't try to read
11045         symbol table when there are no symbols to read.
11046
11047 2008-06-23  Craig Silverstein  <csilvers@google.com>
11048
11049         * version.cc (version_string): Bump to 1.7
11050
11051 2008-06-18  Craig Silverstein  <csilvers@google.com>
11052
11053         * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
11054         constant 0xFFFF to type Valtype.
11055         (Powerpc_relocate_functions::rel16_ha): Likewise.
11056
11057 2008-06-17  Ian Lance Taylor  <iant@google.com>
11058
11059         * output.h (Output_section::Input_section): Initialize p2align_ to
11060         zero for Output_section_data constructors.
11061         (Output_section::Input_section::addralign): If not an input
11062         section, return the alignment of the Output_section_data.
11063         * testsuite/copy_test.cc: New file.
11064         * testsuite/copy_test_1.cc: New file.
11065         * testsuite/copy_test_2.cc: New file.
11066         * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
11067         (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
11068         (copy_test_LDFLAGS, copy_test_LDADD): New variables.
11069         (copy_test_1_pic.o, copy_test_1.so): New targets.
11070         (copy_test_2_pic.o, copy_test_2.so): New targets.
11071         * testsuite/Makefile.in: Rebuild.
11072
11073         * script-sections.cc (Script_sections::place_orphan): Initialize
11074         local variable exact.
11075
11076 2008-06-13  David Edelsohn  <edelsohn@gnu.org>
11077
11078         * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
11079
11080 2008-06-12  David Edelsohn  <edelsohn@gnu.org>
11081             David S. Miller  <davem@davemloft.net>
11082
11083         * powerpc.cc: New file.
11084         * Makefile.am (TARGETSOURCES): Add powerpc.cc
11085         (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
11086         * configure.tgt: Add entries for powerpc-* and powerpc64-*.
11087         * Makefile.in: Rebuild.
11088
11089 2008-06-09  Ian Lance Taylor  <iant@google.com>
11090
11091         * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
11092         <exception>.
11093         (throwing, orig_terminate): New static variables.
11094         (terminate_handler): New static function.
11095         (t2): Set terminate handler.
11096
11097 2008-06-05  Kris Van Hees  <kris.van.hees@oracle.com>
11098
11099         PR 6584
11100         * binary.cc (Binary_to_elf::sized_convert): Fix .data
11101         alignment.
11102
11103 2008-05-30  Cary Coutant  <ccoutant@google.com>
11104
11105         * archive.cc (Archive::include_all_members) Correct to step
11106         over symbol table and extended name table in thin archives.
11107
11108 2008-05-29  Kris Van Hees  <kris.van.hees@oracle.com>
11109
11110         PR 6407
11111         * target-reloc.h (relocate_for_relocatable): Fix new_offset
11112         calculation.
11113
11114 2008-05-28  Caleb Howe  <cshowe@google.com>
11115
11116         * reduced_debug_output.cc: New file.
11117         * reduced_debug_output.h: New file.
11118         * options.h (class General_options): Add --strip-debug-non-line.
11119         * options.cc (General_options::finalize): Add strip_debug_non_line
11120         to the strip heirarchy.
11121         * layout.h (class Layout): Add debug_abbrev_ and debug_info_
11122         fields.
11123         * layout.cc: Include "reduced_debug_output.h".
11124         (Layout::Layout): Initialize new fields.
11125         (line_only_debug_sections): New static array.
11126         (is_lines_only_debug_sections): New static inline function.
11127         (Layout::include_section): Handle --strip-debug-non-line.
11128         (Layout::make_output_section): If --strip-debug-non-line, build
11129         new output sections for .debug_abbrev and .debug_info.
11130         * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
11131         gold.  Warn about possible overflow.
11132         (read_signed_LEB_128): Likewise.
11133         * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
11134         (read_signed_LEB_128): Declare.
11135         * Makefile.am (CCFILES): Add reduced_debug_output.cc.
11136         (HFILES): Add reduced_debug_output.h.
11137         * Makefile.in: Rebuild.
11138
11139 2008-05-21  Ian Lance Taylor  <iant@google.com>
11140
11141         * mapfile.cc: New file.
11142         * mapfile.h: New file.
11143         * options.h (class General_options): Add -M/--print-map and -Map.
11144         * options.cc (General_options::finalize): Make -M equivalent to
11145         -Map -.
11146         * main.cc: Include <cstdio> and "mapfile.h".
11147         (main): Open mapfile if requested.
11148         * gold.cc (class Middle_runner): Add mapfile_ field.  Update
11149         constructor.  Change caller.
11150         (queue_initial_tasks): Add mapfile parameter.  Change caller.
11151         (queue_middle_tasks): Likewise.
11152         * gold.h (queue_initial_tasks, queue_middle_tasks): Update
11153         declarations.
11154         * archive.cc: Include "mapfile.h".
11155         (Archive::add_symbols): Add mapfile parameter.  Change all
11156         callers.  Pass mapfile, symbol, and reason to include_member.
11157         (Archive::include_all_members): Add mapfile parameter.  Change all
11158         callers.
11159         (Archive::include_member): Add mapfile, sym, and why parameters.
11160         Change all callers.  Report inclusion to map file.
11161         * archive.h: Include "fileread.h".
11162         (class Archive): Update declarations.
11163         (Archive::file): New const method.
11164         (class Add_archive_symbols): Add mapfile_ field.  Update
11165         constructor.  Change all callers.
11166         * readsyms.h (class Read_symbols): Likewise.
11167         (class Finish_group): Likewise.
11168         (class Read_script): Likewise.
11169         * common.cc: Include "mapfile.h".
11170         (Symbol_table::allocate_commons): Add mapfile parameter.  Change
11171         all callers.
11172         (Symbol_table::do_allocate_commons): Likewise.
11173         (Symbol_table::do_allocate_commons_list): Likewise.  Report common
11174         symbol allocation to mapfile.
11175         * common.h (class Allocate_commons_task): Add mapfile_ field.
11176         Update constructor.  Change all callers.
11177         * symtab.h (class Symbol_table): Update declarations.
11178         * layout.cc: Include "mapfile.h".
11179         (Layout_task_runner::run): Print information to mapfile.
11180         (Layout::create_gold_note): Change Output_data_fixed_space to
11181         Output_data_zero_fill.
11182         (Layout::create_build_id): Likewise.
11183         (Layout::print_to_mapfile): New function.
11184         * layout.h (class Layout_task_runner): Add mapfile_ field.  Update
11185         constructor.  Change caller.
11186         (class Layout): Declare print_to_mapfile.
11187         * output.cc (Output_section::Input_section::print_to_mapfile): New
11188         function.
11189         (Output_section::add_input_section): If producing a map, always
11190         add to input_sections_ list.
11191         (Output_section::do_print_to_mapfile): New function.
11192         (Output_segment::print_sections_to_mapfile): New function.
11193         (Output_segment::print_section_list_to_mapfile): New function.
11194         * output.h: Include "mapfile.h".
11195         (Output_data::print_to_mapfile): New function.
11196         (Output_data::do_print_to_mapfile): New virtual function.
11197         (Output_segment_headers::do_print_to_mapfile): New function.
11198         (Output_file_header::do_print_to_mapfile): New function.
11199         (Output_data_const::do_print_to_mapfile): New function.
11200         (class Output_data_const_buffer): Add map_name_ field.  Update
11201         constructor.  Change all callers.  Add do_print_to_mapfile
11202         function.
11203         (class Output_data_fixed_space): Likewise.
11204         (class Output_data_space): Likewise.
11205         (class Output_data_zero_fill): New class.
11206         (Output_data_strtab::do_print_to_mapfile): New function.
11207         (Output_data_reloc_base::do_print_to_mapfile): New function.
11208         (Output_relocatable_relocs::do_print_to_mapfile): New function.
11209         (Output_data_group::do_print_to_mapfile): New function.
11210         (Output_data_got::do_print_to_mapfile): New function.
11211         (Output_data_dynamic::do_print_to_mapfile): New function.
11212         (Output_symtab_xindex::do_print_to_mapfile): New function.
11213         (class Output_section): Declare do_print_to_mapflie.  Declare
11214         print_to_mapfile in Input_section.
11215         (class Output_segment): Declare new functions.
11216         * object.h (Sized_relobj::symbol_count): New function.
11217         * script-sections.cc
11218         (Output_section_element_dot_assignment::set_section_addresses):
11219         Change Output_data_fixed_space to Output_data_zero_fill.
11220         (Output_data_expression::do_print_to_mapfile): New function.
11221         * script.cc (read_input_script): Add mapfile parameter.  Change
11222         all callers.
11223         * script.h (read_input_script): Update declaration.
11224         * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
11225         (Eh_frame::do_print_to_mapfile): New function.
11226         * merge.h (Output_merge_data::do_print_to_mapfile): New function.
11227         (Output_merge_string::do_print_to_mapfile): New function.
11228         * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
11229         function.
11230         * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
11231         function.
11232         * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
11233         function.
11234         * Makefile.am (CCFILES): Add mapfile.cc.
11235         (HFILES): Add mapfile.h.
11236         * Makefile.in: Rebuild.
11237
11238 2008-05-19  Ian Lance Taylor  <iant@google.com>
11239
11240         * options.h (class General_options): Add -z relro.
11241         * layout.cc (Layout::Layout): Initialize relro_segment_.
11242         (Layout::add_output_section_data): Return the output section.
11243         (Layout::make_output_section): Rcognize relro sections and mark
11244         them appropriately.
11245         (Layout::attach_allocated_section_to_segment): Put relro sections
11246         in a PT_GNU_RELRO segment.
11247         (Layout::create_initial_dynamic_sections): Mark the .dynamic
11248         section as relro.
11249         (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
11250         PT_TLS segments.
11251         (Layout::linkonce_mapping): Map d.rel.ro.local to
11252         .data.rel.ro.local.
11253         (Layout::output_section_name): Us .data.rel.ro.local for any
11254         section which begins with that.
11255         * layout.h (class Layout): Update add_output_section_data
11256         declaration.  Add relro_segment_ field.
11257         * output.cc (Output_section::Output_section): Initialize is_relro_
11258         and is_relro_local_ fields.
11259         (Output_segment::add_output_section): Group relro sections.
11260         (Output_segment::is_first_section_relro): New function.
11261         (Output_segment::maximum_alignment): If there is a relro section,
11262         align the segment to the common page size.
11263         (Output_segment::set_section_addresses): Track whether we are
11264         looking at relro sections.  If the last section is a relro
11265         section, align to the common page size.
11266         (Output_segment::set_section_list_addresses): Add in_relro
11267         parameter.  Change all callers.  Align to the page size when
11268         moving from relro to non-relro section.
11269         (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
11270         segment.
11271         * output.h (class Output_section): Add is_relro_ and
11272         is_relro_local_ fields.
11273         (Output_section::is_relro): New function.
11274         (Output_section::set_is_relro): New function.
11275         (Output_section::is_relro_local): New function.
11276         (Output_section::set_is_relro_local): New function.
11277         (class Output_segment): Update declarations.
11278         * i386.cc (Target_i386::got_section): Mark .got section as relro.
11279         * sparc.cc (Target_sparc::got_section): Likewise.
11280         * x86_64.cc (Target_x86_64::got_section): Likewise.
11281         * testsuite/relro_test_main.cc: New file.
11282         * testsuite/relro_test.cc: New file.
11283         * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
11284         (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
11285         (relro_test_LDFLAGS, relro_test_LDADD): New variables.
11286         (relro_test.so, relro_test_pic.o): New targets.
11287         * testsuite/Makefile.in: Rebuild.
11288
11289 2008-05-16  Ian Lance Taylor  <iant@google.com>
11290
11291         * output.cc (Output_segment::add_output_section): Remove front
11292         parameter.
11293         * output.h (class Output_segment): Remove
11294         add_initial_output_section and overloaded add_output_section.
11295         Update declaration of remaining add_output_section.
11296         * layout.cc (Layout::create_interp): Call add_output_section
11297         rather than add_initial_output_section.
11298         (Layout::finish_dynamic_section): Likewise.
11299
11300         * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
11301         for TLS_GOTDESC and TLS_DESC_CALL.  Only optimize TLS_LDO_32 if we
11302         know the dynamic type.
11303         * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
11304         field.  Initialize it in constructor.
11305         (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
11306         block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
11307         Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
11308         reloc.
11309
11310         * output.cc (Output_reloc::get_address): Change return type to
11311         Elf_Addr.
11312         * output.h (class Output_reloc): Update get_address declaration.
11313         * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
11314         for section addresses.
11315
11316 2008-05-09  Ian Lance Taylor  <iant@google.com>
11317
11318         PR 6493
11319         * gold.cc (gold_nomem): Use return value of write.
11320
11321 2008-05-08  Ian Lance Taylor  <iant@google.com>
11322
11323         * symtab.c (Symbol::init_base_output_data): Add version
11324         parameter.  Change all callers.
11325         (Symbol::init_base_output_segment): Likewise.
11326         (Symbol::init_base_constant): Likewise.
11327         (Symbol::init_base_undefined): Likewise.
11328         (Sized_symbol::init_output_data): Likewise.
11329         (Sized_symbol::init_output_segment): Likewise.
11330         (Sized_symbol::init_constant): Likewise.
11331         (Sized_symbol::init_undefined): Likewise.
11332         (Symbol_table::do_define_in_output_data): If the new symbol has a
11333         version, mark it as the default.
11334         (Symbol_table::do_define_in_output_segment): Likewise.
11335         (Symbol_table::do_define_as_constant): Likewise.
11336         * symtab.h (class Symbol): Update declarations.
11337         (class Sized_symbol): Likewise.
11338         * resolve.cc (Symbol::override_version): New function.
11339         (Symbol::override_base): Call override_version.
11340         (Symbol::override_base_with_special): Likewise.
11341         * testsuite/ver_script_8.script: New file.
11342         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
11343         (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
11344         (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
11345         (ver_test_8_1.so, ver_test_8_2.so): New targets.
11346
11347 2008-05-06  Ian Lance Taylor  <iant@google.com>
11348
11349         PR 6049
11350         * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
11351         functions.
11352         (class General_options): Remove existing --undefined, and add
11353         --no-undefined instead.  Add new --undefined as synonym for -u.
11354         * archive.cc (Archive::add_symbols): Check whether symbol was
11355         named with -u.
11356         * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
11357         * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
11358         all uses.  Add IS_UNDEFINED.  Update declarations to split
11359         different versions of init_base.  Declare init_base_undefined.
11360         (Symbol::is_defined): Handle IS_UNDEFINED.
11361         (Symbol::is_undefined): Likewise.
11362         (Symbol::is_weak_undefined): Call is_undefined.
11363         (Symbol::is_absolute): Handle IS_CONSTANT.
11364         (class Sized_symbol): Update declarations to split different
11365         versions of init.  Declare init_undefined.
11366         (class Symbol_table): Declare new functions.
11367         * symtab.cc (Symbol::init_base_object): Rename from init_base.
11368         Change all callers.
11369         (Symbol::init_base_output_data): Likewise.
11370         (Symbol::init_base_output_segment): Likewise.
11371         (Symbol::init_base_constant): Likewise.
11372         (Symbol::init_base_undefined): New function.
11373         (Sized_symbol::init_object): Rename from init.  Change all
11374         callers.
11375         (Sized_symbol::init_output_data): Likewise.
11376         (Sized_symbol::init_output_segment): Likewise.
11377         (Sized_symbol::init_constant): Likewise.
11378         (Sized_symbol::init_undefined): New function.
11379         (Symbol_table::add_undefined_symbols_from_command_line): New
11380         function.
11381         (Symbol_table::do_add_undefined_symbols_from_command_line): New
11382         function.
11383         (Symbol::final_value_is_known): Handle IS_UNDEFINED.
11384         (Symbol::output_section): Likewise.
11385         (Symbol::set_output_section): Likewise.
11386         (Symbol_table::sized_finalize_symbol): Likewise.
11387         (Symbol_table::sized_write_globals): Likewise.
11388         * resolve.cc (Symbol_table::should_override): Likewise.
11389         (Symbol::override_base_with_special): Likewise.
11390
11391         * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
11392         symbol, change it to have default visibility.
11393         * testsuite/protected_1.cc: New file.
11394         * testsuite/protected_2.cc: New file.
11395         * testsuite/protected_3.cc: New file.
11396         * testsuite/protected_main_1.cc: New file.
11397         * testsuite/protected_main_2.cc: New file.
11398         * testsuite/protected_main_3.cc: New file.
11399         * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
11400         (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
11401         (protected_1_LDFLAGS, protected_1_LDADD): Define.
11402         (protected_1.so): New target.
11403         (protected_1_pic.o, protected_2_pic.o): New targets.
11404         (protected_3_pic.o): New target.
11405         (check_PROGRAMS): Add protected_2.
11406         (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
11407         (protected_2_LDFLAGS, protected_2_LDADD): Define.
11408         * testsuite/Makefile.in: Rebuild.
11409
11410         * options.h (DEFINE_var): Add set_user_set_##varname__.
11411         (DEFINE_bool_alias): New macro.
11412         (class General_options): Define -Bstatic using DEFINE_bool_alias
11413         rather than DEFINE_special.  Add --undefined as an alias for -z
11414         defs.
11415         * options.cc (General_options::parse_Bstatic): Remove.
11416
11417         * options.h (class General_options): Add --fatal-warnings.
11418         * main.cc (main): Implement --fatal-warnings.
11419         * errors.h (Errors::warning_count): New function.
11420
11421         * options.h (class General_options): Add -Bsymbolic-functions.
11422         * symtab.h (Symbol::is_preemptible): Check for
11423         -Bsymbolic-functions.
11424
11425 2008-05-05  Ian Lance Taylor  <iant@google.com>
11426
11427         * options.h (DEFINE_bool): For DASH_Z, create the negative option
11428         as noVARNAME rather than no-VARNAME.
11429         (class General_options): Add option -z combreloc.
11430         * output.h (class Output_reloc) [SHT_REL]: Declare compare and
11431         get_address.
11432         (Output_reloc::sort_before) [SHT_REL]: New function.
11433         (Output_reloc::sort_before) [SHT_RELA]: New function.
11434         (class Output_data_reloc_base): Add sort_relocs_ field.  Define
11435         Sort_relocs_comparison.
11436         (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
11437         parameter.  Change all callers.
11438         (Output_data_reloc::Output_data_reloc) [both versions]: Add
11439         sort_relocs parameter.  Change all callers.
11440         * output.cc (Output_reloc::get_address): New function, broken out
11441         of write_rel.
11442         (Output_reloc::write_rel): Call it.
11443         (Output_reloc::compare): New function.
11444         (Output_data_reloc_base::do_write): Optionally sort relocs.
11445
11446         * configure.ac: If targ_extra_obj is set, link it in.
11447         * configure.tgt: Initialize all variables.
11448         (x86_64*): Set targ_extra_obj and targ_extra_size.
11449         * configure: Rebuild.
11450
11451         * object.cc (Sized_relobj::include_section_group): Adjust section
11452         indexes read from group data.  Build vector to pass to
11453         layout_group.
11454         * layout.cc (Layout::layout_group): Add flags and shndxes
11455         parameters.  Remove contents parameter.  Change caller.  Update
11456         explicit instantiations.
11457         * layout.h (class Layout): Update layout_group declaration.
11458         * output.cc (Output_data_group::Output_data_group): Add flags and
11459         input_shndxes parameters.  Remove contents parameter.  Change
11460         caller.
11461         (Output_data_group::do_write): Change input_sections_ to
11462         input_shndxes_.
11463         * output.h (class Output_data_group): Update constructor
11464         declaration.  Rename input_sections_ to input_shndxes_.
11465         * testsuite/many_sections_test.cc: Add template.
11466
11467 2008-04-30  Cary Coutant  <ccoutant@google.com>
11468
11469         * target-reloc.h (relocate_section): Fix dead-pointer bug.
11470
11471         * layout.cc (Layout::include_section): Refactored check for debug
11472         info section.
11473         (Layout::add_comdat): Add new parameters.  Change type
11474         of signature parameter.  Add object and shndx to signatures table.
11475         (Layout::find_kept_object): New function.
11476         * layout.h: Include <cstring>.
11477         (Layout::is_debug_info_section): New function.
11478         (Layout::add_comdat): Add new parameters.
11479         (Layout::find_kept_object): New function.
11480         (Layout::Kept_section): New struct.
11481         (Layout::Signatures): Change type of map range.
11482         * object.cc (Relobj::output_section_address): New function.
11483         (Sized_relobj::include_section_group): Add new parameters.  Change
11484         calls to Layout::add_comdat.  Change to build table of kept comdat
11485         groups and table mapping discarded sections to kept sections.
11486         (Sized_relobj::include_linkonce_section): Likewise.  Add new parameter.
11487         (Sized_relobj::do_layout): Change calls to include_section_group and
11488         include_linkonce_section.
11489         (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
11490         value to zero when section is discarded.
11491         (Sized_relobj::map_to_kept_section): New function.
11492         * object.h (Relobj::output_section_address): New function.
11493         (Relobj::Comdat_group): New type.
11494         (Relobj::find_comdat_group): New function.
11495         (Relobj::Comdat_group_table): New type.
11496         (Relobj::Kept_comdat_section): New type.
11497         (Relobj::Kept_comdat_section_table): New type.
11498         (Relobj::add_comdat_group): New function.
11499         (Relobj::set_kept_comdat_section): New function.
11500         (Relobj::get_kept_comdat_section): New function.
11501         (Relobj::comdat_groups_): New field.
11502         (Relobj::kept_comdat_sections_): New field.
11503         (Symbol_value::input_value): Update comment.
11504         (Sized_relobj::map_to_kept_section) New function.
11505         (Sized_relobj::include_linkonce_section): Add new parameter.
11506         * target-reloc.h (Comdat_behavior): New type.
11507         (get_comdat_behavior): New function.
11508         (relocate_section): Add code to map a discarded section to the
11509         corresponding kept section when applying a relocation.
11510
11511 2008-04-30  Craig Silverstein  <csilvers@google.com>
11512
11513         * dwarf_reader.cc (next_generation_count): New static var.
11514         (Addr2line_cache_entry): New struct.
11515         (addr2line_cache): New static var.
11516         (Dwarf_line_info::one_addr2line): Added caching.
11517         (Dwarf_line_info::clear_addr2line_cache): New function.
11518         * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
11519         cache-size parameter.
11520         (Dwarf_line_info::one_addr2line_cache): New function.
11521         * symtab.cc (Symbol_table::detect_odr_violations): Pass
11522         new cache-size argument to one_addr2line(), and clear cache.
11523
11524 2008-04-28  Cary Coutant  <ccoutant@google.com>
11525
11526         * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
11527         R_386_PC8 relocations.
11528
11529 2008-04-23  Ian Lance Taylor  <iant@google.com>
11530
11531         * object.cc (Sized_relobj::include_section_group): Check for
11532         invalid section group.
11533
11534         * object.cc (make_elf_object): Correct test for 64-bit ELF file
11535         header size.
11536
11537         * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
11538         than read for file header.
11539         * archive.cc (Archive::include_member): Likewise.
11540
11541 2008-04-23  Paolo Bonzini  <bonzini@gnu.org>
11542
11543         * aclocal.m4: Regenerate.
11544         * configure: Regenerate.
11545
11546 2008-04-19  Ian Lance Taylor  <iant@google.com>
11547
11548         * version.cc (version_string): Bump to 1.6.
11549
11550         * testsuite/Makefile.am (many_sections_r_test): New target.
11551         (many_sections_r_test_SOURCES): Remove.
11552         (many_sections_r_test_DEPENDENCIES): Remove.
11553         (many_sections_r_test_LDFLAGS): Remove.
11554         (many_sections_r_test_LDADD): Remove.
11555
11556         * object.cc (Sized_relobj::do_add_symbols): Always pass
11557         local_symbol_count_ to add_from_relobj.
11558
11559         * testsuite/Makefile.am (many_sections_check.h): Only check one in
11560         every thousand variables.
11561         * testsuite/Makefile.in: Rebuild.
11562
11563         * object.cc (Xindex::initialize_symtab_xindex): New function.
11564         (Xindex::read_symtab_xindex): New function.
11565         (Xindex::sym_xindex_to_shndx): New function.
11566         (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11567         available.
11568         (Sized_relobj::do_initialize_xindex): New function.
11569         (Sized_relobj::do_read_symbols): Adjust section links.
11570         (Sized_relobj::symbol_section_and_value): Add is_ordinary
11571         parameter.  Change all callers.
11572         (Sized_relobj::include_section_group): Adjust section links and
11573         symbol section indexes.
11574         (Sized_relobj::do_layout): Adjust section links.
11575         (Sized_relobj::do_count_local_symbols): Adjust section links and
11576         symbol section indexes.
11577         (Sized_relobj::do_finalize_local_symbols): Distinguish between
11578         ordinary and special symbols.
11579         (Sized_relobj::write_local_symbols): Add symtab_xindex and
11580         dynsym_xindex parameters.  Change all callers.  Adjust section
11581         links.  Use SHN_XINDEX when needed.
11582         (Sized_relobj::get_symbol_location_info): Adjust section links.
11583         Don't get fooled by special symbols.
11584         * object.h (class Xindex): Define.
11585         (class Object): Add xindex_ parameter.  Declare virtual functoin
11586         do_initialize_xindex.
11587         (Object::adjust_sym_shndx): New function.
11588         (Object::set_xindex): New protected function.
11589         (class Symbol_value): Add is_ordinary_shndx_ field.
11590         (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11591         (Symbol_value::value): Assert ordinary section.
11592         (Symbol_value::initialize_input_to_output_map): Likewise.
11593         (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11594         Change all callers.
11595         (Symbol_value::input_shndx): Add is_ordinary parameter.  Change
11596         all callers.
11597         (class Sized_relobj): Update declarations.
11598         (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11599         parameter.  Change all callers.
11600         (Sized_relobj::adjust_shndx): New function.
11601         * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11602         field.
11603         (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11604         parameter.  Change all callers.  Pick up SHT_DYNSYM_SHNDX section
11605         for SHT_DYNSYM section if available.  Set dynsym_shndx_ field.
11606         (Sized_dynobj::read_dynsym_section): Adjust section links.
11607         (Sized_dynobj::read_dynamic): Likewise.
11608         (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field.  Adjust
11609         section links.
11610         (Sized_dynobj::do_initialize_xindex): New function.
11611         * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field.  Declare
11612         do_initialize_xindex.
11613         (Sized_dynobj::adjust_shndx): New function.
11614         * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11615         dynsym_xindex_ fields.
11616         (Layout::finalize): Add a call to set_section_indexes before
11617         creating the symtab sections.
11618         (Layout::set_section_indexes): Don't do anything if the section
11619         already has a section index.
11620         (Layout::create_symtab_sections): Add shnum parameter.  Change
11621         caller.  Create .symtab_shndx section if needed.
11622         (Layout::create_shdrs): Add shstrtab_section parameter.  Change
11623         caller.
11624         (Layout::allocated_output_section_count): New function.
11625         (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11626         needed.
11627         * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11628         fields.  Update declarations.
11629         (Layout::symtab_xindex): New function.
11630         (Layout::dynsym_xindex): New function.
11631         (class Write_symbols_task): Add layout_ field.
11632         (Write_symbols_task::Write_symbols_task): Add layout parameter.
11633         Change caller.
11634         * output.cc (Output_section_headers::Output_section_headers): Add
11635         shstrtab_section parameter.  Change all callers.
11636         (Output_section_headers::do_sized_write): Store overflow values
11637         for section count and section string table section index in
11638         section header zero.
11639         (Output_file_header::do_sized_write): Check for overflow of
11640         section count and section string table section index.
11641         (Output_symtab_xindex::do_write): New function.
11642         (Output_symtab_xindex::endian_do_write): New function.
11643         * output.h (class Output_section_headers): Add shstrtab_section_.
11644         Update declarations.
11645         (class Output_symtab_xindex): Define.
11646         (Output_section::has_out_shndx): New function.
11647         * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11648         field.
11649         (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11650         Change all callers.
11651         (Sized_symbol::init): Likewise.
11652         (Symbol::output_section): Check for ordinary symbol.
11653         (Symbol_table::add_from_object): Remove orig_sym parameter.  Add
11654         st_shndx, is_ordinary, and orig_st_shndx parameters.  Change all
11655         callers.
11656         (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11657         Change all callers.  Simplify handling of symbols from sections
11658         not included in the link.
11659         (Symbol_table::add_from_dynobj): Handle ordinary symbol
11660         distinction.
11661         (Weak_alias_sorter::operator()): Assert that symbols are
11662         ordinary.
11663         (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11664         distinction.
11665         (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11666         parameters.  Change all callers.
11667         (Symbol_table::sized_write_globals): Likewise.  Handle ordinary
11668         symbol distinction.  Use SHN_XINDEX when needed.
11669         (Symbol_table::write_section_symbol): Add symtab_xindex
11670         parameter.  Change all callers.
11671         (Symbol_table::sized_write_section_symbol): Likewise.  Use
11672         SHN_XINDEX when needed.
11673         * symtab.h (class Symbol): Add is_ordinary_shndx_ field.  Update
11674         declarations.
11675         (Symbol::shndx): Add is_ordinary parameter.  Change all callers.
11676         (Symbol::is_defined): Check is_ordinary.
11677         (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11678         (Symbol::is_absolute, Symbol::is_common): Likewise.
11679         (class Sized_symbol): Update declarations.
11680         (class Symbol_table): Update declarations.
11681         * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11682         parameters.  Change all callers.
11683         (Sized_symbol::override): Likewise.
11684         (Symbol_table::override): Likewise.
11685         (symbol_to_bits): Add is_ordinary parameter.  Change all callers.
11686         (Symbol_table::resolve): Remove orig_sym parameter.  Add st_shndx,
11687         is_ordinary, and orig_st_shndx parameters.  Change all callers.
11688         * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11689         to be in an ordinary section.
11690         * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11691         object and is_ordinary parameters.  Change all callers.
11692         (Sized_dwarf_line_info::read_relocs): Add object parameter.
11693         Change all callers.  Don't add undefined or non-ordinary symbols
11694         to reloc_map_.
11695         (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11696         Change all callers.
11697         * dwarf_reader.h (class Sized_dwarf_line_info): Update
11698         declarations.
11699         * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11700         * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11701         (Sized_relobj::relocate_sections): Likewise.
11702         * target-reloc.h (scan_relocs): Adjust section symbol index.
11703         (scan_relocatable_relocs): Likewise.
11704         * i386.cc (Scan::local): Check for ordinary symbols.
11705         * sparc.cc (Scan::local): Likewise.
11706         * x86_64.cc (Scan::local): Likewise.
11707         * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11708         to symbol_section_and_value.
11709         * testsuite/many_sections_test.cc: New file.
11710         * testsuite/Makefile.am (BUILT_SOURCES): Define.
11711         (check_PROGRAMS): Add many_sections_test.
11712         (many_sections_test_SOURCES): Define.
11713         (many_sections_test_DEPENDENCIES): Define.
11714         (many_sections_test_LDFLAGS): Define.
11715         (BUILT_SOURCES): Add many_sections_define.h.
11716         (many_sections_define.h): New target.
11717         (BUILT_SOURCES): Add many_sections_check.h.
11718         (many_sections_check.h): New target.
11719         (check_PROGRAMS): Add many_sections_r_test.
11720         (many_sections_r_test_SOURCES): Define.
11721         (many_sections_r_test_DEPENDENCIES): Define.
11722         (many_sections_r_test_LDFLAGS): Define.
11723         (many_sections_r_test_LDADD): Define.
11724         (many_sections_r_test.o): New target.
11725         * testsuite/Makefile.in: Rebuild.
11726
11727 2008-04-17  Cary Coutant  <ccoutant@google.com>
11728
11729         * errors.cc (Errors::info): New function.
11730         (gold_info): New function.
11731         * errors.h (Errors::info): New function.
11732         * gold.h (gold_info): New function.
11733         * object.cc (Input_objects::add_object): Print trace output.
11734         * options.cc (options::parse_set): New function.
11735         (General_options::parse_wrap): Deleted.
11736         (General_options::General_options): Deleted initializer.
11737         * options.h (options::String_set): New typedef.
11738         (options::parse_set): New function.
11739         (DEFINE_set): New macro.
11740         (General_options::wrap): Changed to use DEFINE_set. Changed
11741         callers of any_wrap_symbols and is_wrap_symbol.
11742         (General_options::trace, General_options::trace_symbol):
11743         New options.
11744         (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11745         (General_options::wrap_symbols_): Deleted.
11746         * symtab.cc (Symbol_table::add_from_object): Print trace output.
11747
11748 2008-04-17  David S. Miller  <davem@davemloft.net>
11749
11750         * options.cc (General_options::parse_V): New function.
11751         * options.h: Add entries for -V and -Qy.
11752
11753 2008-04-17  Ian Lance Taylor  <iant@google.com>
11754
11755         * common.cc (Symbol_table::allocate_commons): Remove options
11756         parameter.  Change caller.
11757         (Symbol_table::do_allocate_commons): Remove options parameter.
11758         Change caller.  Just call do_allocate_commons_list twice.
11759         (Symbol_table::do_allocate_commons_list): New function, broken out
11760         of do_allocate_commons.
11761         * common.h (class Allocate_commons_task): Remove options_ field.
11762         Update constructor.
11763         * symtab.cc (Symbol_table::Symbol_table): Initialize
11764         tls_commons_.
11765         (Symbol_table::add_from_object): Put TLS common symbols on
11766         tls_commons_ list.
11767         (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11768         which are IN_OUTPUT_DATA.
11769         * symtab.h (class Symbol_table): Add tls_commons_ field.  Update
11770         allocate_commons and do_allocate_commons declarations.  Declare
11771         do_allocate_commons_list.
11772         * gold.cc (queue_middle_tasks): Update creation of
11773         Allocate_commons_task to not pass options.
11774         * testsuite/Makefile.am (INCLUDES): Add -I.. .
11775         (TLS_TEST_C_FLAGS): New variable.
11776         (tls_test_c_pic.o): New target.
11777         (tls_test_shared.so): Link in tls_test_c_pic.o.
11778         (tls_test_c_pic_ie.o): New target.
11779         (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11780         (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11781         (tls_test_c.o): New target.
11782         (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11783         (tls_pic_test_LDADD): Likewise.
11784         (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11785         (tls_shared_gd_to_ie_test_LDADD): Likewise.
11786         (tls_test_c_gnu2.o): New target.
11787         (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11788         tls_test_c_gnu2.o.
11789         (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11790         (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11791         (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11792         * testsuite/tls_test.cc: Include "config.h".
11793         (t_last): Call t11_last.
11794         * testsuite/tls_test.h (t11, t11_last): Declare.
11795         * testsuite/tls_test_c.c: New file.
11796         * testsuite/tls_test_main.cc (thread_routine): Call t11.
11797         * configure.ac: Check for OpenMP support.
11798         * configure, config.in, Makefile.in: Rebuild.
11799         * testsuite/Makefile.in: Rebuild.
11800
11801 2008-04-16  Cary Coutant  <ccoutant@google.com>
11802
11803         * i386.cc (Target_i386::define_tls_base_symbol): New function.
11804         (Target_i386::tls_base_symbol_defined_): New field.
11805         (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11806         (Target_i386::Scan::global): Likewise.
11807         * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11808         * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11809         (Target_x86_64::tls_base_symbol_defined_): New field.
11810         (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11811         (Target_x86_64::Scan::global): Likewise.
11812
11813 2008-04-16  Cary Coutant  <ccoutant@google.com>
11814
11815         * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11816         (Symbol::needs_plt_entry): Allow weak undefined symbols.
11817         (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11818         building shared libraries.
11819         * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11820         (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11821         (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11822         * testsuite/Makefile.in: Rebuild.
11823         * testsuite/weak_undef.h: New file.
11824         * testsuite/weak_undef_file1.cc: Add extra test cases.
11825         * testsuite/weak_undef_file2.cc: Likewise.
11826         * testsuite/weak_undef_test.cc: Likewise.
11827
11828 2008-04-16  David S. Miller  <davem@davemloft.net>
11829
11830         * sparc.cc (Target_sparc::Scan): Change from struct to class.
11831         Add issued_non_pic_error_ field.  Declare check_non_pic.
11832         (Target_sparc::Scan::check_non_pic): New function.
11833         (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11834         (Target_sparc::Scan::global): Likewise.
11835
11836         * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11837         * configure: Rebuild.
11838
11839         * options.h (DEFINE_enable): New macro.
11840         (new_dtags): New enable option.
11841         (initfirst, interpose, loadfltr, nodefaultlib,
11842         nodelete, nodlopen, nodump): New -z options.
11843         * layout.cc (Layout:finish_dynamic_section): If new
11844         dtags enabled, emit DT_RUNPATH.  Also, emit a
11845         DT_FLAGS_1 containing any specified -z flags.
11846
11847 2008-04-16  Ian Lance Taylor  <iant@google.com>
11848
11849         * copy-relocs.cc: New file.
11850         * copy-relocs.h: New file.
11851         * reloc.cc: Remove Copy_relocs code.
11852         * reloc.h: Likewise.
11853         * reloc-types.h (struct Reloc_types) [both versions]: Add
11854         get_reloc_addend_noerror.
11855         * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11856         variants of add_global which take an addend which must be zero.
11857         * i386.cc: Include "copy-relocs.h".
11858         (class Target_i386): Change type of copy_relocs_ to variable,
11859         update initializer.
11860         (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11861         Change all callers.
11862         (Target_i386::do_finalize_sections): Change handling of
11863         copy_relocs_.
11864         * sparc.cc: Include "copy-relocs.h".
11865         (class Target_sparc): Change type of copy_relocs_ to variable,
11866         update initializer.
11867         (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11868         Change all callers.
11869         (Target_sparc::do_finalize_sections): Change handling of
11870         copy_relocs_.
11871         * x86_64.cc: Include "copy-relocs.h".
11872         (class Target_x86_64): Change type of copy_relocs_ to variable,
11873         update initializer.
11874         (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11875         class.  Change all callers.
11876         (Target_x86_64::do_finalize_sections): Change handling of
11877         copy_relocs_.
11878         * Makefile.am (CCFILES): Add copy-relocs.cc.
11879         (HFILES): Add copy-relocs.h.
11880
11881         * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11882
11883         * testsuite/script_test_4.sh: Permit leading zeroes.
11884
11885 2008-04-15  Ian Lance Taylor  <iant@google.com>
11886
11887         * script-sections.cc (Script_sections::create_segments): Use
11888         header_size_adjustment even when there is enough room for the
11889         headers.
11890         * testsuite/script_test_4.sh: New file.
11891         * testsuite/script_test_4.t: New file.
11892         * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11893         (check_DATA): Add script_test_4.stdout.
11894         (MOSTLYCLEANFILES): Likewise.
11895         (script_test_4): New target.
11896         (script_test_4.stdout): New target.
11897         * testsuite/Makefile.in: Rebuild.
11898
11899         * sparc.cc: Add definitions for Output_data_plt_sparc class
11900         constants.
11901
11902 2008-04-14  David S. Miller  <davem@davemloft.net>
11903
11904         * sparc.cc: New file.
11905         * Makefile.am (TARGETSOURCES): Add sparc.cc
11906         (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11907         * configure.tgt: Document targ_extra_size and
11908         targ_extra_big_endian.  Add entries for sparc-* and
11909         sparc64-*.
11910         * configure.ac: Handle targ_extra_size and
11911         targ_extra_big_endian.
11912         * Makefile.in: Rebuild.
11913         * configure: Likewise.
11914         * po/POTFILES.in: Likewise.
11915         * po/gold.pot: Likewise.
11916
11917 2008-04-14  Ian Lance Taylor  <iant@google.com>
11918
11919         * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11920         (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11921         in the name/type/flags to section mapping.  Don't call
11922         allocate_output_section.
11923         (Layout::choose_output_section): Change parameter from adjust_name
11924         to is_input_section.  Don't permit input sections after sections
11925         are attached to segments.  Don't call allocate_output_section.
11926         (Layout::layout_eh_frame): Call update_flags_for_input_section,
11927         not write_enable_output_section.
11928         (Layout::make_output_section): Don't push to
11929         unattached_section_list_ nor call attach_to_segment.  Call
11930         attach_section_to_segment if sections are attached.
11931         (Layout::attach_sections_to_segments): New function.
11932         (Layout::attach_section_to_segment): New function.
11933         (Layout::attach_allocated_section_to_segment): Rename from
11934         attach_to_segment.  Remove flags parameter.
11935         (Layout::allocate_output_section): Remove function.
11936         (Layout::write_enable_output_section): Remove function.
11937         * layout.h (class Layout): Update for above changes.  Add new
11938         field sections_are_attached_.
11939         * output.h (Output_section::update_flags_for_input_section): New
11940         function.
11941         * output.cc (Output_section::add_input_section): Call
11942         update_flags_for_input_section.
11943         * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11944
11945 2008-04-11  Cary Coutant  <ccoutant@google.com>
11946
11947         * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11948         thought unnecessary.
11949         * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11950
11951 2008-04-11  Ian Lance Taylor  <iant@google.com>
11952
11953         * output.h (class Output_section_data): Remove inline definition
11954         of set_addralign.
11955         * output.cc (Output_section_data::set_addralign): New function.
11956
11957 2008-04-11  Cary Coutant  <ccoutant@google.com>
11958
11959         Add support for TLS descriptors for i386 and x86_64.
11960         * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11961         (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11962         (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11963         GOT_TYPE_TLS_DESC.
11964         (Target_i386::got_mod_index_entry): Remove unnecessary code.
11965         (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11966         R_386_TLS_DESC_CALL relocations.  Fix problem with initial-exec
11967         relocations.
11968         (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11969         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11970         Fix problem with initial-exec relocations.
11971         (Target_i386::Relocate::relocate_tls): Likewise.
11972         (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11973         relaxation.
11974         * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11975         support for section-plus-offset dynamic table entries.
11976         * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11977         (Output_data_dynamic::Dynamic_entry): Add support for
11978         section-plus-offset dynamic table entries.
11979         (Output_data_dynamic::Classification): Likewise.
11980         (Output_data_dynamic::classification_): Renamed offset_.
11981         * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11982         (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11983         (Target_x86_64::make_plt_section): New function.
11984         (Target_x86_64::reserve_tlsdesc_entries): New function.
11985         (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11986         (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11987         (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11988         (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11989         (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11990         (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11991         (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11992         add extra PLT entry for TLS descriptors.
11993         (Output_data_plt_x86_64::got_): New field.
11994         (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11995         (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11996         fields.
11997         (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11998         descriptors.
11999         (Target_x86_64::make_plt_entry): Factor out make_plt_section.
12000         (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
12001         (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
12002         R_386_TLS_DESC_CALL relocations.
12003         (Target_x86_64::Scan::global): Likewise.
12004         (Target_x86_64::do_finalize_sections): Add dynamic table entries
12005         for TLS descriptors.
12006         (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
12007         Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
12008         (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
12009         GD-to-IE relaxation.
12010         * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
12011         and TLS_DESCRIPTORS.
12012         * Makefile.in: Rebuild.
12013         * configure: Rebuild.
12014         * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
12015         (tls_test_shared2.so): New target.
12016         (tls_shared_gd_to_ie_test_SOURCES): New variable.
12017         (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
12018         (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
12019         (tls_shared_gd_to_ie_test_LDADD): New variable.
12020         (tls_shared_gnu2_gd_to_ie_test): New target.
12021         (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
12022         New targets.
12023         (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
12024         (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
12025         (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
12026         (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
12027         (tls_shared_gnu2_test): New target.
12028         (tls_test_gnu2_shared.so): New target.
12029         (tls_shared_gnu2_test_SOURCES): New variable.
12030         (tls_shared_gnu2_test_DEPENDENCIES): New variable.
12031         (tls_shared_gnu2_test_LDFLAGS): New variable.
12032         (tls_shared_gnu2_test_LDADD): New variable.
12033         * testsuite/Makefile.in: Rebuild.
12034         * testsuite/Makefile.
12035
12036 2008-04-11  Ian Lance Taylor  <iant@google.com>
12037
12038         * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
12039         justsyms.t.
12040         * testsuite/Makefile.in: Rebuild.
12041
12042         * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
12043         long.
12044         * testsuite/script_test_2.cc (main): Adjust test.
12045
12046 2008-04-11  David S. Miller  <davem@davemloft.net>
12047             Ian Lance Taylor  <iant@google.com>
12048
12049         * options.h (General_options): Add entries for '-Y' and
12050         '-relax'.
12051         * options.cc (General_options:finalize): If -Y was used, add those
12052         entries to the library path instead of the default "/lib" and
12053         "/usr/lib".
12054
12055 2008-04-11  David S. Miller  <davem@davemloft.net>
12056
12057         * testsuite/justsyms.t: Start at 0x100.
12058         * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
12059         * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
12060         long.
12061         * testsuite/script_test_2.cc: Adjust string and section length
12062         checks.
12063
12064 2008-04-09  Ian Lance Taylor  <iant@google.com>
12065
12066         PR gold/5996
12067         * script-sections.cc (Sections_element::allocate_to_segment): Add
12068         orphan parameter.
12069         (Output_section_definition::allocate_to_segment): Likewise.
12070         (Orphan_output_section::allocate_to_segment): Likewise.
12071         (Script_sections::attach_sections_using_phdrs_clause): Don't
12072         propagate non-PT_LOAD segments to orphan sections.
12073         * testsuite/Makefile.am (script_test_3.stdout): Generate using
12074         readelf rather than objdump.
12075         * testsuite/script_test_3.sh: Adjust accordingly.  Test that
12076         .interp section and PT_INTERP segment are the same size.
12077         * testsuite/Makefile.in: Rebuild.
12078
12079         * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
12080         aliases for symbols defined in the same object.
12081         * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
12082         (weak_alias_test_SOURCES): New variable.
12083         (weak_alias_test_DEPENDENCIES): New variable.
12084         (weak_alias_test_LDFLAGS): New variable.
12085         (weak_alias_test_LDADD): New variable.
12086         (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
12087         (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
12088         (weak_alias_test_3.o): New target.
12089         (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
12090         * testsuite/weak_alias_test_main.cc: New file.
12091         * testsuite/weak_alias_test_1.cc: New file.
12092         * testsuite/weak_alias_test_2.cc: New file.
12093         * testsuite/weak_alias_test_3.cc: New file.
12094
12095 2008-04-08  Ian Lance Taylor  <iant@google.com>
12096
12097         * options.h (class General_options): Add --noinhibit-exec option.
12098         * main.cc (main): Check --noinhibit-exec.
12099
12100         * options.h (class General_options): Define --wrap as a special
12101         option.  Add wrap_symbols_ field.
12102         (General_options::any_wrap_symbols): New function.
12103         (General_options::is_wrap_symbol): New function.
12104         * options.cc (General_options::parse_wrap): New function.
12105         (General_options::General_options): Initialize wrap_symbols_.
12106         * symtab.cc (Symbol_table::wrap_symbol): New function.
12107         (Symbol_table::add_from_object): Handle --wrap.
12108         * symtab.h (class Symbol_table): Declare wrap_symbol.
12109         * target.h (Target::wrap_char): New function.
12110         (Target::Target_info): Add wrap_char field.
12111         * i386.cc (Target_i386::i386_info): Initialize wrap_char.
12112         * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
12113         * testsuite/testfile.cc (Target_test::test_target_info):
12114         Likewise.
12115
12116         * errors.cc (Errors::undefined_symbol): Mention symbol version if
12117         there is one.
12118
12119         * layout.h (class Layout): Add added_eh_frame_data_ field.
12120         * layout.cc (Layout::Layout): Initialize new field.
12121         (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
12122         output section until we find a section we merged successfully.
12123         * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
12124         that the size be non-zero.
12125
12126         * merge.cc (Object_merge_map::get_output_offset): Remove inline
12127         qualifier.
12128
12129 2008-04-08  Craig Silverstein  <csilvers@google.com>
12130
12131         * configure.ac: Export new conditional variable HAVE_ZLIB.
12132         * testsuite/Makefile.am (flagstest_o_specialfile): Condition
12133         on HAVE_ZLIB.
12134         (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
12135         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12136
12137 2008-04-07  Ian Lance Taylor  <iant@google.com>
12138
12139         * version.cc (version_string): Set to "1.5".
12140
12141         * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
12142         Add issued_non_pic_error_ field.  Declare check_non_pic.
12143         (Target_x86_64::Scan::check_non_pic): New function.
12144         (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
12145         (Target_x86_64::Scan::global): Likewise.
12146
12147         * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
12148         addend parameter.  Change caller.  Handle merge sections.
12149         (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
12150         Address to Addend.  Don't add in the result of
12151         local_section_offset, pass down the addend and use the returned
12152         value.
12153         * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
12154         Update declarations of local_section_offset and symbol_value.
12155         * testsuite/two_file_test_1.cc (t18): New function.
12156         * testsuite/two_file_test_2.cc (f18): New function.
12157         * testsuite/two_file_test_main.cc (main): Call t18.
12158         * testsuite/two_file_test.h (t18, f18): Declare.
12159
12160         * configure.ac: Don't test for objdump, c++filt, or readelf.
12161         * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
12162         conditionals.
12163         (TEST_READELF): New variable.
12164         (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
12165         (check_PROGRAMS): Add two_file_strip_test.
12166         (two_file_strip_test): New target.
12167         (check_PROGRAMS): Add two_file_same_shared_strip_test.
12168         (two_file_same_shared_strip_test_SOURCES): New variable.
12169         (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
12170         (two_file_same_shared_strip_test_LDFLAGS): New variable.
12171         (two_file_same_shared_strip_test_LDADD): New variable.
12172         (two_file_shared_strip.so): New target.
12173         (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
12174         (ver_test_5.syms, ver_test_7.syms): Likewise.
12175         (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
12176         (strip_test_3.stdout): Use TEST_OBJDUMP.
12177         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12178
12179 2008-04-04  Cary Coutant  <ccoutant@google.com>
12180
12181         * symtab.h (Symbol::is_weak_undefined): New function.
12182         (Symbol::is_strong_undefined): New function.
12183         (Symbol::is_absolute): New function.
12184         (Symbol::needs_plt_entry): Exclude weak undefined symbols.
12185         (Symbol::needs_dynamic_reloc): Exclude weak undefined and
12186         absolute symbols.
12187         * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
12188         (weak_undef_test): New target.
12189         * testsuite/Makefile.in: Rebuild.
12190         * testsuite/weak_undef_file1.cc: New file.
12191         * testsuite/weak_undef_file2.cc: New file.
12192         * testsuite/weak_undef_test.cc: New file.
12193
12194 2008-04-03  Craig Silverstein  <csilvers@google.com>
12195
12196         * compressed_output.h (class Output_compressed_section): Use
12197         unsigned buffer.
12198         * compressed_output.cc (zlib_compress): Use unsigned buffers,
12199         add zlib header.
12200         (zlib_compressed_suffix): Removed.
12201         (Output_compressed_section::set_final_data_size): Use unsigned
12202         buffers.
12203         * testsuite/Makefile.am (flagstest_compress_debug_sections):
12204         Fix linker invocation.
12205         (flagstest_o_specialfile_and_compress_debug_sections):
12206         Likewise.
12207         * testsuite/Makefile.in: Regenerated.
12208
12209 2008-04-02  David S. Miller  <davem@davemloft.net>
12210
12211         *  dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
12212         Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
12213
12214 2008-04-02  Craig Silverstein  <csilvers@google.com>
12215
12216         * TODO: New file.
12217
12218 2008-04-02  Ian Lance Taylor  <iant@google.com>
12219
12220         * fileread.cc (File_read::find_view): Add byteshift and vshifted
12221         parameters.  Update for new key type to views_.  Change all
12222         callers.
12223         (File_read::read): Adjust for byteshift in returned view.
12224         (File_read::add_view): New function, broken out of
12225         find_and_make_view.
12226         (File_read::make_view): New function, broken out of
12227         find_and_make_view.
12228         (File_read::find_or_make_view): Add offset and aligned
12229         parameters.  Rewrite accordingly.  Change all callers.
12230         (File_read::get_view): Add offset and aligned parameters.  Adjust
12231         for byteshift in return value.
12232         (File_read::get_lasting_view): Likewise.
12233         * fileread.h (class File_read): Update declarations.
12234         (class File_read::View): Add byteshift_ field.  Add byteshift to
12235         constructor.  Add byteshift method.
12236         * archive.h (Archive::clear_uncached_views): New function.
12237         (Archive::get_view): Add aligned parameter.  Change all callers.
12238         * object.h (Object::get_view): Add aligned parameter.  Change all
12239         callers.
12240         (Object::get_lasting_view): Likewise.
12241
12242         * fileread.cc (File_read::release): Don't call clear_views if
12243         there are multiple objects.
12244         * fileread.h (File_read::clear_uncached_views): New function.
12245         * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
12246         on the archive.
12247
12248 2008-03-31  Cary Coutant  <ccoutant@google.com>
12249
12250         Add thin archive support.
12251         * archive.cc (Archive::armagt): New const.
12252         (Archive::setup): Remove task parameter and calls to unlock.
12253         (Archive::unlock_nested_archives): New function.
12254         (Archive::read_header): Add nested_off parameter. Change
12255         all callers.
12256         (Archive::interpret_header): Likewise.
12257         (Archive::include_all_members): Change to handle thin
12258         archives.
12259         (Archive::include_member): Likewise.
12260         * archive.h (Archive::Archive): Add new parameters and
12261         initializers.
12262         (Archive::armagt): New const.
12263         (Archive::setup): Remove task parameter.
12264         (Archive::unlock_nested_archives): New function.
12265         (Archive::read_header): Add nested_off parameter.
12266         (Archive::interpret_header): Likewise.
12267         (Archive::Nested_archive_table): New typedef.
12268         (Archive::is_thin_archive_): New field.
12269         (Archive::nested_archives_): New field.
12270         (Archive::options_): New field.
12271         (Archive::dirpath_): New field.
12272         (Archive::task_): New field.
12273         * readsyms.cc (Read_symbols::do_read_symbols): Add check
12274         for thin archives.  Pass additional parameters to
12275         Archive::Archive.  Unlock the archive file after calling
12276         Archive::setup.
12277
12278 2008-03-29  Ian Lance Taylor  <iant@google.com>
12279
12280         * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
12281         version symbol to be local.
12282         * testsuite/ver_test_4.sh: New file.
12283         * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
12284         (check_DATA): Add ver_test_4.syms.
12285         (ver_test_4.syms): New target.
12286         * testsuite/Makefile.in: Rebuild.
12287
12288         * output.cc
12289         (Output_section::Input_section_sort_entry::has_priority): New
12290         function.
12291         (Output_section::Input_section_sort_entry::match_file_name): New
12292         function.
12293         (Output_section::Input_section_sort_entry::match_section_name):
12294         Remove.
12295         (Output_section::Input_section_sort_entry::match_section_name_prefix):
12296         Remove.
12297         (Output_section::Input_section_sort_entry::match_section_file):
12298         Remove.
12299         (Output_section::Input_section_sort_compare::operator()): Rewrite
12300         using new Input_section_sort_entry functions.  Sort crtbegin and
12301         crtend first.  Sort sections with no priority before sections with
12302         a priority.
12303         * testsuite/initpri1.c (d3): Check j != 4.
12304         (cd5): New constructor/destructor function.
12305         (main): Check j != 2.
12306
12307         * symtab.cc (Symbol_table::add_from_object): If we don't use the
12308         new symbol when resolving, don't call set_is_default.
12309         * testsuite/ver_test_7.cc: New file.
12310         * testsuite/ver_test_7.sh: New file.
12311         * testsuite/Makefile.am (ver_test_7.so): New target.
12312         (ver_test_7.o): New target.
12313         (check_SCRIPTS): Add ver_test_7.sh.
12314         (check_DATA): Add ver_test_7.syms.
12315         (ver_test_7.syms): New target.
12316
12317 2008-03-28  Ian Lance Taylor  <iant@google.com>
12318
12319         * layout.cc (Layout::layout): If we see an input section with a
12320         name that needs sorting, set the must_sort flag for the output
12321         section.
12322         (Layout::make_output_section): If the name of the output section
12323         indicates that it might require sorting, set the may_sort flag.
12324         * output.h (Output_section::may_sort_attached_input_sections): New
12325         function.
12326         (Output_section::set_may_sort_attached_input_sections): New
12327         function.
12328         (Output_section::must_sort_attached_input_sections): New
12329         function.
12330         (Output_section::set_must_sort_attached_input_sections): New
12331         function.
12332         (class Output_section): Declare Input_section_sort_entry.  Define
12333         Input_section_sort_compare.  Declare
12334         sort_attached_input_sections.  Add new fields:
12335         may_sort_attached_input_sections_,
12336         must_sort_attached_input_sections_,
12337         attached_input_sections_are_sorted_.
12338         * output.cc (Output_section::Output_section): Initialize new
12339         fields.
12340         (Output_section::add_input_section): Add an entry to
12341         input_sections_ if may_sort or must_sort are true.
12342         (Output_section::set_final_data_size): Call
12343         sort_attached_input_sections if necessary.
12344         (Output_section::Input_section_sort_entry): Define new class.
12345         (Output_section::Input_section_sort_compare::operator()): New
12346         function.
12347         (Output_section::sort_attached_input_sections): New function.
12348         * configure.ac: Check whether the compiler supports constructor
12349         priorities.  Define a CONSTRUCTOR_PRIORITY automake conditional.
12350         * testsuite/initpri1.c: New file.
12351         * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
12352         CONSTRUCTOR_PRIORITY.
12353         (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
12354         (initpri1_LDFLAGS): New variable.
12355         * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
12356
12357 2008-03-27  Ian Lance Taylor  <iant@google.com>
12358
12359         * common.cc (Sort_commons::operator): Correct sorting algorithm.
12360         * testsuite/common_test_1.c: New file.
12361         * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
12362         (common_test_1_SOURCES): New variable.
12363         (common_test_1_DEPENDENCIES): New variable.
12364         (common_test_1_LDFLAGS): New variable.
12365
12366         * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
12367         and commons_ correctly when NAME/VERSION does not override
12368         NAME/NULL.
12369         * testsuite/ver_test_6.c: New file.
12370         * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
12371         (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
12372         (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
12373
12374 2008-03-26  Ian Lance Taylor  <iant@google.com>
12375
12376         * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
12377         of an undefined symbol from a version script.
12378         * testsuite/Makefile.am (ver_test_5.so): New target.
12379         (ver_test_5.o): New target.
12380         (check_SCRIPTS): Add ver_test_5.sh.
12381         (check_DATA): Add ver_test_5.syms.
12382         (ver_test_5.syms): New target.
12383         * testsuite/ver_test_5.cc: New file.
12384         * testsuite/ver_test_5.script: New file.
12385         * testsuite/ver_test_5.sh: New file.
12386         * Makefile.in, testsuite/Makefile.in: Rebuild.
12387
12388         PR gold/5986
12389         Fix problems building gold with gcc 4.3.0.
12390         * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
12391         (gold_error_at_location, gold_warning_at_location): Use it.
12392         * configure.ac: Check whether we can compile and use a template
12393         function with a printf attribute.
12394         * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
12395         when jumping over bytes.
12396         * object.cc: Instantiate Object::read_section_data.
12397         * debug.h: Include <cstring>
12398         * dwarf_reader.cc: Include <algorithm>
12399         * main.cc: Include <cstring>.
12400         * options.cc: Include <cstring>.
12401         * output.cc: Include <cstring>.
12402         * script.cc: Include <cstring>.
12403         * script.h: Include <string>.
12404         * symtab.cc: Include <cstring> and <algorithm>.
12405         * target-select.cc: Include <cstring>.
12406         * version.cc: Include <string>.
12407         * testsuite/testmain.cc: Include <cstdlib>.
12408         * configure, config.in: Rebuild.
12409
12410 2008-03-25  Ian Lance Taylor  <iant@google.com>
12411
12412         * options.cc: Include "../bfd/bfdver.h".
12413         (options::help): Print bug reporting address.
12414
12415         * version.cc (print_version): Adjust output for current value of
12416         BFD_VERSION_STRING.
12417
12418         * NEWS: New file.
12419
12420         * options.cc (options::help): Print list of supported targets.
12421         * target-select.h: Include <vector>.
12422         (class Target_selector): Make machine_, size_, and is_big_endian_
12423         fields const.  Add bfd_name_ and instantiated_target_ fields.
12424         (Target_selector::Target_selector): Add bfd_name parameter.
12425         (Target_selector::recognize): Make non-virtual, call
12426         do_recognize.
12427         (Target_selector::recognize_by_name): Make non-virtual, call
12428         do_recognize_by_name.
12429         (Target_selector::supported_names): New function.
12430         (Target_selector::bfd_name): New function.
12431         (Target_selector::do_instantiate_target): New pure virtual
12432         function.
12433         (Target_selector::do_recognize): New virtual function.
12434         (Target_selector::do_recognize_by_name): New virtual function.
12435         (Target_selector::instantiate_target): New private function.
12436         (supported_target_names): Declare.
12437         * target-select.cc (Target_selector::Target_selector): Update for
12438         new parameter and fields.
12439         (select_target_by_name): Check that the name matches before
12440         calling recognize_by_name.
12441         (supported_target_names): New function.
12442         * i386.cc (class Target_selector_i386): Update Target_selector
12443         constructor call.  Remove recognize and recognize_by_name.  Add
12444         do_instantiate_target.
12445         * x86_64.cc (class Target_selector_x86_64): Likewise.
12446         * testsuite/testfile.cc (class Target_selector_test): Update for
12447         changes to Target_selector.
12448
12449         * README: Rewrite, with some notes on unsupported features.
12450
12451 2008-03-24  Cary Coutant  <ccoutant@google.com>
12452
12453         * i386.cc (Target_i386::Got_type): New enum declaration.
12454         (Target_i386::Scan::local): Updated callers of Output_data_got
12455         member functions.
12456         (Target_i386::Scan::global): Likewise.
12457         (Target_i386::Relocate::relocate): Likewise.
12458         (Target_i386::Relocate::relocate_tls): Likewise.
12459         * object.h (Got_offset_list): New class.
12460         (Sized_relobj::local_has_got_offset): Added got_type parameter.
12461         (Sized_relobj::local_got_offset): Likewise.
12462         (Sized_relobj::set_local_got_offset): Likewise.
12463         (Sized_relobj::local_has_tls_got_offset): Removed.
12464         (Sized_relobj::local_tls_got_offset): Removed.
12465         (Sized_relobj::set_local_tls_got_offset): Removed.
12466         (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
12467         * output.cc (Output_data_got::add_global): Added got_type parameter.
12468         (Output_data_got::add_global_with_rel): Likewise.
12469         (Output_data_got::add_global_with_rela): Likewise.
12470         (Output_data_got::add_global_pair_with_rel): New function.
12471         (Output_data_got::add_global_pair_with_rela): New function.
12472         (Output_data_got::add_local): Added got_type parameter.
12473         (Output_data_got::add_local_with_rel): Likewise.
12474         (Output_data_got::add_local_with_rela): Likewise.
12475         (Output_data_got::add_local_pair_with_rel): New function.
12476         (Output_data_got::add_local_pair_with_rela): New function.
12477         (Output_data_got::add_global_tls): Removed.
12478         (Output_data_got::add_global_tls_with_rel): Removed.
12479         (Output_data_got::add_global_tls_with_rela): Removed.
12480         (Output_data_got::add_local_tls): Removed.
12481         (Output_data_got::add_local_tls_with_rel): Removed.
12482         (Output_data_got::add_local_tls_with_rela): Removed.
12483         * output.h (Output_data_got::add_global): Added got_type parameter.
12484         (Output_data_got::add_global_with_rel): Likewise.
12485         (Output_data_got::add_global_with_rela): Likewise.
12486         (Output_data_got::add_global_pair_with_rel): New function.
12487         (Output_data_got::add_global_pair_with_rela): New function.
12488         (Output_data_got::add_local): Added got_type parameter.
12489         (Output_data_got::add_local_with_rel): Likewise.
12490         (Output_data_got::add_local_with_rela): Likewise.
12491         (Output_data_got::add_local_pair_with_rel): New function.
12492         (Output_data_got::add_local_pair_with_rela): New function.
12493         (Output_data_got::add_global_tls): Removed.
12494         (Output_data_got::add_global_tls_with_rel): Removed.
12495         (Output_data_got::add_global_tls_with_rela): Removed.
12496         (Output_data_got::add_local_tls): Removed.
12497         (Output_data_got::add_local_tls_with_rel): Removed.
12498         (Output_data_got::add_local_tls_with_rela): Removed.
12499         * resolve.cc (Symbol::override_base_with_special): Removed
12500         reference to has_got_offset_ field.
12501         * symtab.cc (Symbol::init_fields): Replaced initialization
12502         of got_offset_ with got_offsets_.  Removed initialization
12503         of has_got_offset_
12504         * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
12505         (Symbol::got_offset): Likewise.
12506         (Symbol::set_got_offset): Likewise.
12507         (Symbol::has_tls_got_offset): Removed.
12508         (Symbol::tls_got_offset): Removed.
12509         (Symbol::set_tls_got_offset): Removed.
12510         (Symbol::got_offset_): Removed.
12511         (Symbol::tls_mod_got_offset_): Removed.
12512         (Symbol::tls_pair_got_offset_): Removed.
12513         (Symbol::got_offsets_): New field.
12514         (Symbol::has_got_offset): Removed.
12515         (Symbol::has_tls_mod_got_offset): Removed.
12516         (Symbol::has_tls_pair_got_offset): Removed.
12517         * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
12518         (Target_x86_64::Scan::local): Updated callers of Output_data_got
12519         member functions.
12520         (Target_x86_64::Scan::global): Likewise.
12521         (Target_x86_64::Relocate::relocate): Likewise.
12522         (Target_x86_64::Relocate::relocate_tls): Likewise.
12523
12524 2008-03-25  Ben Elliston  <bje@au.ibm.com>
12525
12526         * yyscript.y: Fix spelling error in comment.
12527
12528 2008-03-24  Ian Lance Taylor  <iant@google.com>
12529
12530         * options.h (class General_options): Define build_id option.
12531         * layout.h (class Layout): Declare write_build_id, create_note,
12532         create_build_id.  Add build_id_note_ member.
12533         * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
12534         "libiberty.h", "md5.h", "sha1.h".
12535         (Layout::Layout): Initialize eh_frame_data_,
12536         eh_frame_hdr_section_, and build_id_note_.
12537         (Layout::finalize): Call create_build_id.
12538         (Layout::create_note): New function, broken out of
12539         Layout::create_gold_note.
12540         (Layout::create_gold_note): Call create_note.
12541         (Layout::create_build_id): New function.
12542         (Layout::write_build_id): New function.
12543         (Close_task_runner::run): Call write_build_id.
12544
12545         * x86_64.cc: Correct license to GPLv3.
12546
12547 2008-03-23  Ian Lance Taylor  <iant@google.com>
12548
12549         * options.cc: Include "demangle.h".
12550         (parse_optional_string): New function.
12551         (parse_long_option): Handle takes_optional_argument.
12552         (parse_short_option): Update dash_z initializer.  Handle
12553         takes_optional_argument.
12554         (General_options::General_options): Initialize do_demangle_.
12555         (General_options::finalize): Set do_demangle_.  Handle demangling
12556         style.
12557         * options.h (parse_optional_string): Declare.
12558         (struct One_option): Add optional_arg field.  Update constructor.
12559         Update call constructor calls.  Add takes_optional_argument
12560         function.
12561         (DEFINE_var): Add optional_arg__ parameter.  Change all callers.
12562         (DEFINE_optional_string): Define.
12563         (General_options::demangle): Change from DEFINE_bool to
12564         DEFINE_optional_string.
12565         (General_options::no_demangle): New function.
12566         (General_options::do_demangle): New function.
12567         (General_options::set_do_demangle): New function.
12568         (General_options::execstack_status_): Move definition to end of
12569         class definition.
12570         (General_options::static_): Likewise.
12571         (General_options::do_demangle_): New field.
12572         * object.cc (big_endian>::get_symbol_location_info): Call
12573         Options::do_demangle, not Options::demangle.
12574         * symtab.cc (demangle): Likewise.
12575
12576 2008-03-22  Ian Lance Taylor  <iant@google.com>
12577
12578         * gold.h: Include <cstddef> and <sys/types.h>
12579         * options.h: Include <cstring>.
12580
12581 2008-03-21  Ian Lance Taylor  <iant@google.com>
12582
12583         * Added source code to GNU binutils.