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PR gdb/13079
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
a8279f82
ST		 12011-09-19 Sriraman Tallam <tmsriram@google.com>
2
3 * plugin.h (should_defer_layout): Modify to check for any_claimed_.
4
0c9350c8
CC		 52011-09-19 Cary Coutant <ccoutant@google.com>
6
7 * incremental.cc (can_incremental_update): Fix typo in comment.
8 * incremental.h (can_incremental_update): Likewise.
9
aa06ae28
CC		 102011-09-18 Cary Coutant <ccoutant@google.com>
11
12 * incremental.cc (can_incremental_update): New function.
13 * incremental.h (can_incremental_update): New function.
14 * layout.cc (Layout::init_fixed_output_section): Call it.
15 (Layout::make_output_section): Don't allow patch space in .eh_frame.
16 * object.cc (Sized_relobj_file::do_layout): Call
17 can_incremental_update.
18
ebb300b2
CC		 192011-09-13 Cary Coutant <ccoutant@google.com>
20
21 * configure.ac: Check for glibc support for gnu_indirect_function
22 support with static linking, setting automake conditional
23 IFUNC_STATIC.
24 * Makefile.in: Regenerate.
25 * configure: Regenerate.
26
27 * testsuite/Makefile.am (ifuncmain1static, ifuncmain2static)
28 (ifuncmain4static, ifuncmain5static, ifuncmain7static): Add check
29 for IFUNC_STATIC.
30 * testsuite/Makefile.in: Regenerate.
31
1206d0d5
CC		 322011-09-13 Cary Coutant <ccoutant@google.com>
33
34 * incremental.cc (Sized_relobj_incr::do_layout): Call
35 report_comdat_group for kept comdat sections.
36 * testsuite/Makefile.am (incremental_comdat_test_1): New test.
37 * testsuite/Makefile.in: Regenerate.
38 * testsuite/incr_comdat_test_1.cc: New source file.
39 * testsuite/incr_comdat_test_2_v1.cc: New source file.
40 * testsuite/incr_comdat_test_2_v2.cc: New source file.
41 * testsuite/incr_comdat_test_2_v3.cc: New source file.
42
40b29874
ILT		 432011-09-13 Ian Lance Taylor <iant@google.com>
44
45 * object.cc (Sized_relobj_file::do_layout): Remove unused local
46 variable external_symbols_offset.
47
1b045aac
ILT		 482011-09-12 Ian Lance Taylor <iant@google.com>
49
50 * object.cc (Sized_relobj_file::do_layout): Remove assertion which
51 triggered if object has no symbols.
52
24c6c55a
DM		 532011-09-09 David S. Miller <davem@davemloft.net>
54
55 * output.cc (Output_fill_debug_info::do_write): Use Swap_unaligned.
56 (Output_fill_debug_line::do_write): Likewise.
57
66570254
CC		 582011-08-29 Cary Coutant <ccoutant@google.com>
59
60 * output.cc: (Output_fill_debug_info::do_minimum_hole_size): Add
61 casts to match formatting specs.
62 (Output_fill_debug_line::do_minimum_hole_size): Likewise.
63
8ea8cd50
CC		 642011-08-26 Cary Coutant <ccoutant@google.com>
65
66 * layout.cc (Free_list::allocate): Provide guarantee of minimum
67 remaining hole size when allocating.
68 (Layout::make_output_section): Set fill methods for debug sections.
69 * layout.h (Free_list::Free_list_node): Move from private to
70 public.
71 (Free_list::set_min_hole_size): New function.
72 (Free_list::begin, Free_list::end): New functions.
73 (Free_list::min_hole_): New data member.
74 * output.cc: Include dwarf.h.
75 (Output_fill_debug_info::do_minimum_hole_size): New function.
76 (Output_fill_debug_info::do_write): New function.
77 (Output_fill_debug_line::do_minimum_hole_size): New function.
78 (Output_fill_debug_line::do_write): New function.
79 (Output_section::Output_section): Initialize new data member.
80 (Output_section::set_final_data_size): Ensure patch space is larger
81 than minimum hole size.
82 (Output_section::do_write): Fill holes in debug sections.
83 * output.h (Output_fill): New class.
84 (Output_fill_debug_info): New class.
85 (Output_fill_debug_line): New class.
86 (Output_section::set_free_space_fill): New function.
87 (Output_section::free_space_fill_): New data member.
88 * testsuite/Makefile.am (incremental_test_3): Add
89 --incremental-patch option.
90 (incremental_test_4): Likewise.
91 (incremental_test_5): Likewise.
92 (incremental_test_6): Likewise.
93 (incremental_copy_test): Likewise.
94 (incremental_common_test_1): Likewise.
95 * testsuite/Makefile.in: Regenerate.
96
7cf80422
NC		 972011-08-26 Nick Clifton <nickc@redhat.com>
98
99 * po/es.po: Updated Spanish translation.
100
c3f7b0e5
CC		 1012011-08-01 Cary Coutant <ccoutant@google.com>
102
103 * gold/testsuite/Makefile.am (justsyms_exec): New testcase.
104 * gold/testsuite/Makefile.in: Regenerate.
105 * gold/testsuite/justsyms_exec.c: New source file.
106 * gold/testsuite/justsyms_lib.c: New source file.
107
9590bf25
CC		 1082011-08-01 Cary Coutant <ccoutant@google.com>
109
110 * layout.cc (Layout::set_segment_offsets): Don't realign text
111 segment if -Ttext was specified.
112 * object.cc (Sized_relobj_file::Sized_relobj_file): Store the ELF
113 file type.
114 * object.h (Sized_relobj_file::e_type): New function.
115 (Sized_relobj_file::e_type_): New data member.
116 * symtab.cc (Symbol_table::add_from_relobj): Don't add section
117 base address for ET_EXEC files.
118 * target.cc (Target::do_make_elf_object_implementation): Allow
119 ET_EXEC files with --just-symbols option.
120
dcd8d12e
CC		 1212011-07-28 Cary Coutant <ccoutant@google.com>
122
123 * workqueue-internal.h (Workqueue_threader::should_cancel_thread):
124 Add thread_number parameter.
125 (Workqueue_threader_threadpool::should_cancel_thread): Likewise.
126 * workqueue-threads.cc
127 (Workqueue_threader_threadpool::should_cancel_thread): Cancel
128 current thread if its thread number is greater than desired thread
129 count.
130 * workqueue.cc (Workqueue_threader_single::should_cancel_thread):
131 Add thread_number parameter.
132 (Workqueue::should_cancel_thread): Likewise.
133 (Workqueue::find_runnable_or_wait): Pass thread_number to
134 should_cancel_thread.
135 * workqueue.h (Workqueue::should_cancel_thread): Add thread_number
136 parameter.
137
804eb480
ST		 1382011-07-22 Sriraman Tallam <tmsriram@google.com>
139
140 * symtab.cc (Symbol_table::add_from_relobj): Mark symbol as referenced
141 only after checking if it cannot be forced local.
142 * symtab.h (is_externally_visible): Check if the symbol is not forced
143 local.
144
f1ddb600
ILT		 1452011-07-15 Ian Lance Taylor <iant@google.com>
146
147 * options.h (class General_options): Add --print-output-format.
148 Move -EL next to -EB, for better --help output.
149 * target-select.cc: Include <cstdio>, "options.h", and
150 "parameters.h".
151 (Target_selector::do_target_bfd_name): New function.
152 (print_output_format): New function.
153 * target-select.h (class Target_selector): Update declarations.
154 (Target_selector::target_bfd_name): New function.
155 (print_output_format): Declare.
156 * main.cc: Include "target-select.h".
157 (main): Handle --print-output-format.
158 * gold.cc: Include "target-select.h".
159 (queue_initial_tasks): Handle --print-output-format when there are
160 no input files.
161 * parameters.cc (parameters_force_valid_target): Give a better
162 error message if -EB/-EL does not match target.
163 * freebsd.h (Target_selector_freebsd::do_target_bfd_name): New
164 function.
165
7d172687
ILT		 1662011-07-15 Ian Lance Taylor <iant@google.com>
167
168 * i386.cc (class Output_data_plt_i386): Add layout_ field.
169 (Output_data_plt_i386::Output_data_plt_i386): Initialize layout_.
170 (Output_data_plt_i386::do_write): Write address of .dynamic
171 section to first entry in .got.plt section.
172 * x86_64.cc (class Output_data_plt_x86_64): Add layout_ field.
173 (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
174 Initialize layout_.
175 (Output_data_plt_x86_64::do_write): Write address of .dynamic
176 section to first entry in .got.plt section.
177 * layout.h (Layout::dynamic_section): New function.
178
e9552f7e
ST		 1792011-07-13 Sriraman Tallam <tmsriram@google.com>
180
181 * archive.cc (Archive::get_elf_object_for_member): Add extra parameter
182 to claim_file call.
183 * layout.cc (Layout::Layout): Initialize section_ordering_specified_,
184 input_section_position_, and input_section_glob_.
185 (read_layout_from_file): Call function section_ordering_specified.
186 * layout.h (is_section_ordering_specified): New function.
187 (section_ordering_specified): New function.
188 (section_ordering_specified_): New boolean member.
189 * main.cc(main): Call load_plugins after layout object is defined.
190 * output.cc (Output_section::add_input_section): Use
191 function section_ordering_specified to check if section ordering is
192 needed.
193 * output.cc (Output_section::add_relaxed_input_section): Use
194 function section_ordering_specified to check if section ordering is
195 needed.
196 (Output_section::update_section_layout): New function.
197 (Output_section::sort_attached_input_sections): Check if input section
198 must be reordered.
199 * output.h (Output_section::update_section_layout): New function.
200 * plugin.cc (get_section_count): New function.
201 (get_section_type): New function.
202 (get_section_name): New function.
203 (get_section_contents): New function.
204 (update_section_order): New function.
205 (allow_section_ordering): New function.
206 (Plugin::load): Add the new interfaces to the transfer vector.
207 (Plugin_manager::load_plugins): New parameter.
208 (Plugin_manager::all_symbols_read): New parameter.
209 (Plugin_manager::claim_file): New parameter. Save the elf object for
210 unclaimed objects.
211 (Plugin_manager::get_elf_object): New function.
212 (Plugin_manager::get_view): Change to directly use the bool to check
213 if get_view is called from claim_file_hook.
214 * plugin.h (input_objects): New function
215 (Plugin__manager::load_plugins): New parameter.
216 (Plugin_manager::claim_file): New parameter.
217 (Plugin_manager::get_elf_object): New function.
218 (Plugin_manager::in_claim_file_handler): New function.
219 (Plugin_manager::in_claim_file_handler_): New member.
220 (layout): New function.
221 * readsyms.cc (Read_symbols::do_read_symbols): Call the claim_file
222 handler with an extra parameter. Make the elf object before calling
223 claim_file handler.
224 * testsuite/plugin_test.c (get_section_count): New function pointer.
225 (get_section_type): New function pointer.
226 (get_section_name): New function pointer.
227 (get_section_contents): New function pointer.
228 (update_section_order): New function pointer.
229 (allow_section_ordering): New function pointer.
230 (onload): Check if the new interfaces exist.
231
9446efde
ILT		 2322011-07-13 Ian Lance Taylor <iant@google.com>
233
234 * i386.cc (Target_i386::got_section): If -z now, make .got.plt a
235 relro section.
236 * x86_64.cc (Target_x86_64::got_section): Likewise.
237 * testsuite/Makefile.am (check_PROGRAMS): Add relro_now_test.
238 (relro_now_test_SOURCES): New variable.
239 (relro_now_test_DEPENDENCIES): New variable.
240 (relro_now_test_LDFLAGS): New variable.
241 (relro_now_test_LDADD): New variable.
242 (relro_now_test.so): New target.
243 * testsuite/Makefile.in: Rebuild.
244
07aa62f2
ILT		 2452011-07-12 Ian Lance Taylor <iant@google.com>
246
247 PR gold/12980
248 * i386.cc (Target_i386::Scan::global): For a GOT reloc, use a
249 GLOB_DAT relocation rather than a RELATIVE relocation for a
250 protected symbol when creating a shared library.
251 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
252 * testsuite/protected_1.cc (f2, get_f2_addr): New functions.
253 * testsuite/protected_main_1.cc (main): Test that protected
254 function has same address.
255
e2153196
ILT		 2562011-07-11 Ian Lance Taylor <iant@google.com>
257
258 PR gold/12979
259 * options.h (class General_options): Add -Bgroup.
260 * options.cc (General_options::finalize): If -Bgroup is set,
261 default to --unresolved-symbols=report-all.
262 * layout.cc (Layout::finish_dynamic_section): Implement -Bgroup.
263 * target-reloc.h (issue_undefined_symbol_error): Handle
264 --unresolved-symbols=report-all.
265
6daf5215
ILT		 2662011-07-08 Ian Lance Taylor <iant@google.com>
267
268 PR gold/11985
269 * layout.cc (Layout::create_initial_dynamic_sections): Don't crash
270 if linker script discards key sections.
271 (Layout::create_dynamic_symtab): Likewise.
272 (Layout::assign_local_dynsym_offsets): Likewise.
273 (Layout::sized_create_version_sections): Likewise.
274 (Layout::create_interp): Likewise.
275 (Layout::finish_dynamic_section): Likewise.
276 (Layout::set_dynamic_symbol_size): Likewise.
277
beabb2c6
ILT		 2782011-07-08 Ian Lance Taylor <iant@google.com>
279
280 PR gold/12386
281 * options.h (class General_options): Add --unresolved-symbols.
282 * target-reloc.h (issue_undefined_symbol_error): Check
283 --unresolved-symbols. Add comments.
284
9c16daf1
ILT		 2852011-07-08 Ian Lance Taylor <iant@google.com>
286
287 * testsuite/odr_violation2.cc (Ordering::operator()): Make
288 expression more complex.
289
191f1a2d
ILT		 2902011-07-08 Ian Lance Taylor <iant@google.com>
291
292 PR gold/11317
293 * target-reloc.h (issue_undefined_symbol_error): New inline
294 function, broken out of relocate_section.
295 (relocate_section): Call issue_undefined_symbol_error.
296 * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
297 there is no TLS segment if we are about to issue an undefined
298 symbol error.
299 * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
300
62855347
ILT		 3012011-07-08 Ian Lance Taylor <iant@google.com>
302
303 PR gold/12279
304 * resolve.cc (Symbol_table::should_override): Add fromtype
305 parameter. Change all callers. Give error when linking together
306 TLS and non-TLS symbol.
307 (Symbol_table::should_override_with_special): Add fromtype
308 parameter. Change all callers.
309 * i386.cc (Target_i386::Relocate::relocate_tls): Don't crash if
310 there is no TLS segment if we have reported some errors.
311 * x86_64.cc (Target_x86_64::relocate_tls): Likewise.
312
67181c72
ILT		 3132011-07-08 Ian Lance Taylor <iant@google.com>
314
315 PR gold/12372
316 * target.h (Target::plt_address_for_global): New function.
317 (Target::plt_address_for_local): New function.
318 (Target::plt_section_for_global): Remove.
319 (Target::plt_section_for_local): Remove.
320 (Target::do_plt_address_for_global): New virtual function.
321 (Target::do_plt_address_for_local): New virtual function.
322 (Target::do_plt_section_for_global): Remove.
323 (Target::do_plt_section_for_local): Remove.
324 (Target::register_global_plt_entry): Add Symbol_table and Layout
325 parameters.
326 * output.cc (Output_data_got::Got_entry::write): Use
327 plt_address_for_global and plt_address_for_local.
328 * layout.cc (Layout::add_target_dynamic_tags): Use size and
329 address of output section.
330 * i386.cc (class Output_data_plt_i386): Add irelative_rel_,
331 got_irelative_, and irelative_count_ fields. Update
332 declarations.
333 (Output_data_plt_i386::has_irelative_section): New function.
334 (Output_data_plt_i386::entry_count): Add irelative_count_.
335 (Output_data_plt_i386::set_final_data_size): Likewise.
336 (class Target_i386): Add got_irelative_ and rel_irelative_
337 fields. Update declarations.
338 (Target_i386::Target_i386): Initialize new fields.
339 (Target_i386::do_plt_address_for_global): New function replacing
340 do_plt_section_for_global.
341 (Target_i386::do_plt_address_for_local): New function replacing
342 do_plt_section_for_local.
343 (Target_i386::got_section): Create got_irelative_.
344 (Target_i386::rel_irelative_section): New function.
345 (Output_data_plt_i386::Output_data_plt_i386): Initialize new
346 fields. Don't define __rel_iplt_{start,end}.
347 (Output_data_plt_i386::add_entry): Add symtab and layout
348 parameters. Change all callers. Use different PLT and GOT for
349 IFUNC symbols.
350 (Output_data_plt_i386::add_local_ifunc_entry): Add symtab and
351 layout parameters. Change all callers. Use different PLT and
352 GOT.
353 (Output_data_plt_i386::rel_tls_desc): Fix formatting.
354 (Output_data_plt_i386::rel_irelative): New function.
355 (Output_data_plt_i386::address_for_global): New function.
356 (Output_data_plt_i386::address_for_local): New function.
357 (Output_data_plt_i386::do_write): Write out IRELATIVE area. Use
358 IRELATIVE GOT when changing IFUNC GOT entries.
359 (Target_i386::Scan::global): Use IRELATIVE GOT for IRELATIVE
360 reloc.
361 (Target_i386::do_finalize_sections): Create the __rel_iplt symbols
362 if we didn't create an IRELATIVE GOT.
363 (Target_i386::Relocate::relocate): Use plt_address_for_global and
364 plt_address_for_local.
365 (Target_i386::do_dynsym_value): Use plt_address_for_global.
366 * x86_64.cc (class Output_data_plt_x86_64): Add irelative_rel_,
367 got_irelative_, and irelative_count_ fields. Update
368 declarations.
369 (Output_data_plt_x86_64::Output_data_plt_x86_64) [both versions]:
370 Initialize new fields. Remove symtab parameter. Change all
371 callers.
372 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): Add
373 irelative_count_.
374 (Output_data_plt_x86_64::has_irelative_section): New function.
375 (Output_data_plt_x86_64::entry_count): Add irelative_count_.
376 (class Target_x86_64): Add got_irelative_ and rel_irelative_
377 fields. Update declarations.
378 (Target_x86_64::Target_x86_64): Initialize new fields.
379 (Target_x86_64::do_plt_address_for_global): New function replacing
380 do_plt_section_for_global.
381 (Target_x86_64::do_plt_address_for_local): New function replacing
382 do_plt_section_for_local.
383 (Target_x86_64::got_section): Create got_irelative_.
384 (Target_x86_64::rela_irelative_section): New function.
385 (Output_data_plt_x86_64::init): Remove symtab parameter. Change
386 all callers. Don't create __rel_iplt_{start,end}.
387 (Output_data_plt_x86_64::add_entry): Add symtab and layout
388 parameters. Change all callers. Use different PLT and GOT for
389 IFUNC symbols.
390 (Output_data_plt_x86_64::add_local_ifunc_entry): Add symtab and
391 layout parameters. Change all callers. Use different PLT and
392 GOT.
393 (Output_data_plt_x86_64::add_relocation): Add symtab and layout
394 parameters. Change all callers. Use different PLT and GOT for
395 IFUNC symbols.
396 (Output_data_plt_x86_64::rela_tlsdesc): Fix formatting.
397 (Output_data_plt_x86_64::rela_irelative): New function.
398 (Output_data_plt_x86_64::address_for_global): New function.
399 (Output_data_plt_x86_64::address_for_local): New function.
400 (Output_data_plt_x86_64::set_final_data_size): Likewise.
401 (Output_data_plt_x86_64::do_write): Write out IRELATIVE area.
402 (Target_x86_64::init_got_plt_for_update): Create got_irelative_.
403 (Target_x86_64::register_global_plt_entry): Add symtab and layout
404 parameters.
405 (Target_x86_64::Scan::global): Use IRELATIVE GOT for IRELATIVE
406 reloc.
407 (Target_x86_64::do_finalize_sections): Create the __rela_iplt
408 symbols if we didn't create an IRELATIVE GOT.
409 (Target_x86_64::Relocate::relocate): Use plt_address_for_global and
410 plt_address_for_local.
411 (Target_x86_64::do_dynsym_value): Use plt_address_for_global.
412 * testsuite/ifuncvar1.c: New test file.
413 * testsuite/ifuncvar2.c: New test file.
414 * testsuite/ifuncvar3.c: New test file.
415 * testsuite/Makefile.am (check_PROGRAMS): Add ifuncvar.
416 (ifuncvar1_pic.o, ifuncvar2_pic.o, ifuncvar.so): New targets.
417 (ifuncvar_SOURCES, ifuncvar_DEPENDENCIES): New variables.
418 (ifuncvar_LDFLAGS, ifuncvar_LDADD): New variables.
419 * testsuite/Makefile.in: Rebuild.
420
33c15b45
CC		 4212011-07-07 Cary Coutant <ccoutant@google.com>
422
423 * testsuite/Makefile.am (two_file_test_1_v1_ndebug.o): New target.
424 (two_file_test_1_ndebug.o): Likewise.
425 (two_file_test_1b_ndebug.o): Likewise.
426 (two_file_test_2_ndebug.o): Likewise.
427 (two_file_test_main_ndebug.o): Likewise.
428 (incremental_test_2): Link with no-debug versions.
429
f48b5fb7
CC		 4302011-07-06 Cary Coutant <ccoutant@google.com>
431
432 * gold/incremental.cc
433 (Output_section_incremental_inputs::write_info_blocks): Check for
434 hidden and internal symbols.
435
221597a5
CC		 4362011-07-06 Cary Coutant <ccoutant@google.com>
437
438 * incremental.cc (Sized_incremental_binary::do_file_has_changed):
439 Check disposition for startup file.
440 (Incremental_inputs::report_command_line): Ignore
441 --incremental-startup-unchanged option.
442 * options.cc (General_options::parse_incremental_startup_unchanged):
443 New function.
444 (General_options::General_options): Initialize new data member.
445 * options.h (Incremental_disposition): Add INCREMENTAL_STARTUP.
446 (General_options): Add --incremental-startup-unchanged option.
447 (General_options::incremental_startup_disposition): New function.
448 (General_options::incremental_startup_disposition_): New data member.
449
e24719f6
CC		 4502011-07-06 Cary Coutant <ccoutant@google.com>
451
452 * incremental.cc (Sized_incremental_binary::setup_readers): Pass
453 input file index to Script_info ctor.
454 (Sized_incremental_binary::do_file_has_changed): Find the
455 command-line argument for files named in scripts.
456 * incremental.h (Script_info::Script_info): New ctor
457 with input file index.
458 (Script_info::input_file_index): New function.
459 (Script_info::input_file_index_): New data member.
460 (Incremental_binary::get_library): Add const.
461 (Incremental_binary::get_script_info): Add const.
462 * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
463 * testsuite/Makefile.am (incremental_test_5): New test case.
464 (incremental_test_6): New test case.
465 * testsuite/Makefile.in: Regenerate.
466
8f7c81e8
CC		 4672011-07-06 Cary Coutant <ccoutant@google.com>
468
469 * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
470 debug output when command lines differ.
471
9fbd3822
CC		 4722011-07-06 Cary Coutant <ccoutant@google.com>
473
474 * incremental.cc (Incremental_inputs::report_command_line): Ignore
475 --incremental-patch option.
476 * layout.cc (Free_list::allocate): Extend allocation beyond original
477 end if enabled.
478 (Layout::make_output_section): Mark sections that should get
479 patch space.
480 * options.cc (parse_percent): New function.
481 * options.h (parse_percent): New function.
482 (DEFINE_percent): New macro.
483 (General_options): Add --incremental-patch option.
484 * output.cc (Output_section::Output_section): Initialize new data
485 members.
486 (Output_section::add_input_section): Print section name when out
487 of patch space.
488 (Output_section::add_output_section_data): Likewise.
489 (Output_section::set_final_data_size): Add patch space when
490 doing --incremental-full.
491 (Output_section::do_reset_address_and_file_offset): Remove patch
492 space.
493 (Output_segment::set_section_list_addresses): Print debug output
494 only if --incremental-update.
495 * output.h (Output_section::set_is_patch_space_allowed): New function.
496 (Output_section::is_patch_space_allowed_): New data member.
497 (Output_section::patch_space_): New data member.
498 * parameters.cc (Parameters::incremental_full): New function.
499 * parameters.h (Parameters::incremental_full): New function
500 * testsuite/Makefile.am (incremental_test_2): Add test for
501 --incremental-patch option.
502 * testsuite/Makefile.in: Regenerate.
503 * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
504 (t18): Remove function body.
505
f6cccc2c
DK		 5062011-07-05 Doug Kwan <dougkwan@google.com>
507
508 PR gold/12771
509 * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
510 Arm_Address type for relocation result.
511 (Arm_relocate_functions::abs16): Use unaligned access. Also fix
512 overflow check.
513 (Arm_relocate_functions::abs32): Use unaligned access.
514 (Arm_relocate_functions::rel32): Ditto.
515 (Arm_relocate_functions::prel31): Ditto.
516 (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
517 * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
518 static data relocations.
519 * testsuite/Makefile.in: Regnerate.
520 * testsuite/arm_unaligned_reloc.{s,sh}: New files.
521
28a13fec
ILT		 5222011-07-05 Ian Lance Taylor <iant@google.com>
523
524 PR gold/12392
525 * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
526 symbols if necessary.
527 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
528
24d47b34
ILT		 5292011-07-05 Ian Lance Taylor <iant@google.com>
530
531 PR gold/12952
532 * resolve.cc (Symbol::override_base_with_special): Simply override
533 version with special symbol version, ignoring previous version.
534
41f9cbbe
ILT		 5352011-07-05 Ian Lance Taylor <iant@google.com>
536
537 * object.cc (Sized_relobj_file::include_section_group): Add
538 information to comment about signature location.
539
886288f1
ILT		 5402011-07-02 Ian Lance Taylor <iant@google.com>
541
542 PR gold/12957
543 * options.h (class General_options): Add -f and -F.
544 * options.cc (General_options::finalize): Fatal error if -f/-F
545 are used without -shared.
546 * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
547
ae3a6d4f
ILT		 5482011-07-02 Ian Lance Taylor <iant@google.com>
549
550 * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
551
21131061
ILT		 5522011-07-01 Ian Lance Taylor <iant@google.com>
553
554 PR gold/12525
555 PR gold/12952
556 * resolve.cc (Symbol::override_base_with_special): Don't override
557 the version if the overriding symbol has a different name.
558 * dynobj.cc (Versions::add_def): Add dynpool parameter. Change
559 all callers. If we give an error about an undefined version,
560 define the base version if necessary.
561 * dynobj.h (class Versions): Update declaration.
562 * testsuite/weak_alias_test_5.cc: New file.
563 * testsuite/weak_alias_test.script: New file.
564 * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
565 and versioned_alias have the right value, and call t2.
566 * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
567 weak_alias_test_5.so.
568 (weak_alias_test_LDADD): Likewise.
569 (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
570 * testsuite/Makefile.in: Rebuild.
571
611062c0
ILT		 5722011-07-01 Ian Lance Taylor <iant@google.com>
573
574 PR gold/12525
575 * options.h (class General_options): Support -z notext.
576 * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
577 -Wl,-z,notext.
578 (two_file_shared_nonpic.so): Likewise.
579 (two_file_shared_mixed.so): Likewise.
580 (two_file_shared_mixed_1.so): Likewise.
581 (weak_undef_lib_nonpic.so): Likewise.
582 (alt/weak_undef_lib_nonpic.so): Likewise.
583 (tls_test_shared_nonpic.so): Likewise.
584 * testsuite/Makefile.in: Rebuild.
585
328c7c2f
ILT		 5862011-07-01 Ian Lance Taylor <iant@google.com>
587
588 PR gold/12525
589 * configure.ac: Test whether static linking works, setting
590 the automake conditional HAVE_STATIC.
591 * testsuite/Makefile.am: Disable tests using -static if
592 HAVE_STATIC is not true.
593 * configure, testsuite/Makefile.in: Rebuild.
594
02d7cd44
ILT		 5952011-07-01 Ian Lance Taylor <iant@google.com>
596
597 PR gold/12525
598 * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
599 Assert if we see DW_EH_PE_indirect.
600 * target.h (Target::ehframe_datarel_base): New function.
601 (Target::do_ehframe_datarel_base): New target function.
602 * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
603 * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
604 function.
605
07a60597
ILT		 6062011-07-01 Ian Lance Taylor <iant@google.com>
607
608 PR gold/12571
609 * options.h (class General_options): Add
610 --ld-generated-unwind-info.
611 * ehframe.cc (Fde::write): Add address parameter. Change all
612 callers. If associated with PLT, fill in address and size.
613 (Cie::set_output_offset): Only add merge mapping if there is an
614 object.
615 (Cie::write): Add address parameter. Change all callers.
616 (Eh_frame::add_ehframe_for_plt): New function.
617 * ehframe.h (class Fde): Update declarations. Move shndx_ and
618 input_offset_ fields into union u_, with new plt field.
619 (Fde::Fde): Adjust for new union field.
620 (Fde::Fde) [Output_data version]: New constructor.
621 (Fde::add_mapping): Only add merge mapping if there is an object.
622 (class Cie): Update declarations.
623 (class Eh_frame): Declare add_ehframe_for_plt.
624 * layout.cc (Layout::layout_eh_frame): Break out code into
625 make_eh_frame_section, and call it.
626 (Layout::make_eh_frame_section): New function.
627 (Layout::add_eh_frame_for_plt): New function.
628 * layout.h (class Layout): Update declarations.
629 * merge.cc (Merge_map::add_mapping): Add assertion.
630 * i386.cc: Include "dwarf.h".
631 (class Output_data_plt_i386): Make first_plt_entry,
632 dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const. Add
633 plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
634 and plt_eh_frame_fde.
635 (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
636 boundary. Call add_eh_frame_for_plt if appropriate.
637 * x86_64.cc: Include "dwarf.h".
638 (class Output_data_plt_x86_64): Align to 16-byte boundary. Make
639 first_plt_entry, plt_entry and tlsdesc_plt_entry const. Add
640 plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
641 and plt_eh_frame_fde.
642 (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
643 appropriate.
644
14788a3f
ILT		 6452011-06-29 Ian Lance Taylor <iant@google.com>
646
647 PR gold/12629
648 * object.cc (Sized_relobj_file::layout_section): Change shdr
649 parameter to be const.
650 (Sized_relobj_file::layout_eh_frame_section): New function, broken
651 out of do_layout.
652 (Sized_relobj_file::do_layout): Defer .eh_frame sections if
653 appropriate. Call layout_eh_frame_section.
654 (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
655 sections.
656 * object.h (class Sized_relobj_file): Update declarations.
657
6c21fce1
ILT		 6582011-06-29 Ian Lance Taylor <iant@google.com>
659
37e41b03 660 PR gold/12652
6c21fce1
ILT		 661 * script.cc (Token::integer_value): Accept trailing M/m/K/k
662 modifier.
663 (Lex::gather_token): Accept trailing M/m/K/k for integers.
664
4d5e4e62
ILT		 6652011-06-29 Ian Lance Taylor <iant@google.com>
666
667 PR gold/12675
668 * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
669 SHT_X86_64_UNWIND.
670 * layout.cc (Layout::layout_eh_frame): Likewise.
671
886f533a
ILT		 6722011-06-29 Ian Lance Taylor <iant@google.com>
673
674 PR gold/12695
675 * layout.cc (Layout::symtab_section_shndx): New function.
676 * layout.h (class Layout): Declare symtab_section_shndx.
677 * output.cc (Output_section::write_header): Call it.
678
f3ae1b28
ILT		 6792011-06-29 Ian Lance Taylor <iant@google.com>
680
681 PR gold/12818
682 * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
683 symbols which are not used in a relocation.
684
aecf301f
ILT		 6852011-06-28 Ian Lance Taylor <iant@google.com>
686
687 PR gold/12898
688 * layout.cc (Layout::segment_precedes): Don't crash if a linker
689 script create indistinguishable segments.
690 (Layout::set_segment_offsets): Use stable_sort when sorting
691 segments. Pass this to Compare_segments constructor.
692 * layout.h (class Layout): Make segment_precedes non-static.
693 (class Compare_segments): Change from struct to class. Add
694 layout_ field. Add constructor.
695 * script-sections.cc
696 (Script_sections::attach_sections_using_phdrs_clause): Rename
697 local orphan to is_orphan. Don't report failure to put empty
698 section in segment. On attachment failure, report name of
699 section, and attach to first PT_LOAD segment.
700
03ef7571
ILT		 7012011-06-28 Ian Lance Taylor <iant@google.com>
702
703 PR gold/12934
704 * target-select.cc (Target_selector::Target_selector): Add
705 emulation parameter. Change all callers.
706 (select_target_by_bfd_name): Rename from select_target_by_name.
707 Change all callers.
708 (select_target_by_emulation): New function.
709 (supported_emulation_names): New function.
710 * target-select.h (class Target_selector): Add emulation_ field.
711 Update declarations.
712 (Target_selector::recognize_by_bfd_name): Rename from
713 recognize_by_name. Change all callers.
714 (Target_selector::supported_bfd_names): Rename from
715 supported_names. Change all callers.
716 (Target_selector::recognize_by_emulation): New function.
717 (Target_selector::supported_emulations): New function.
718 (Target_selector::emulation): New function.
719 (Target_selector::do_recognize_by_bfd_name): Rename from
720 do_recognize_by_name. Change all callers.
721 (Target_selector::do_supported_bfd_names): Rename from
722 do_supported_names. Change all callers.
723 (Target_selector::do_recognize_by_emulation): New function.
724 (Target_selector::do_supported_emulations): New function.
725 (select_target_by_bfd_name): Change name in declaration.
726 (select_target_by_emulation): Declare.
727 (supported_emulation_names): Declare.
728 * parameters.cc (parameters_force_valid_target): Try to find
729 target based on emulation from -m option.
730 * options.h (class General_options): Change doc string for -m.
731 * options.cc (help): Print emulations.
732 (General_options::parse_V): Likewise.
733 * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
734 Add emulation parameter. Change all callers.
735
200b2bb9
ILT		 7362011-06-28 Ian Lance Taylor <iant@google.com>
737
738 * target.h (class Target): Add osabi_ field.
739 (Target::osabi): New function.
740 (Target::set_osabi): New function.
741 (Target::Target): Initialize osabi_.
742 (Target::do_adjust_elf_header): Make pure virtual.
743 (Sized_target::do_adjust_elf_header): Declare.
744 * target.cc (Sized_target::do_adjust_elf_header): New function.
745 (class Sized_target): Instantiate all versions.
746 * freebsd.h (class Target_freebsd): Remove.
747 (Target_selector_freebsd::do_recognize): Call set_osabi on
748 Target.
749 (Target_selector_freebsd::do_recognize_by_name): Likewise.
750 (Target_selector_freebsd::set_osabi): Remove.
751 * i386.cc (class Target_i386): Inherit from Sized_target rather
752 than Target_freebsd.
753 * x86_64.cc (class Target_x86_64): Likewise.
754
b3ce541e
ILT		 7552011-06-28 Ian Lance Taylor <iant@google.com>
756
757 * target.h (Target::can_check_for_function_pointers): Rewrite.
758 Make non-virtual.
759 (Target::can_icf_inline_merge_sections): Likewise.
760 (Target::section_may_have_icf_unsafe_poineters): Likewise.
761 (Target::Target_info): Add can_icf_inline_merge_sections field.
762 (Target::do_can_check_for_function_pointers): New virtual
763 function.
764 (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
765 * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
766 from can_check_for_function_pointers, move in file.
767 (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
768 section_may_have_icf_unsafe_poineters, move in file.
769 (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
770 * i386.cc (Target_i386::do_can_check_for_function_pointers):
771 Rename from can_check_for_function_pointers, move in file.
772 (Target_i386::can_icf_inline_merge_sections): Remove.
773 (Target_i386::i386_info): Initialize
774 can_icf_inline_merge_sections.
775 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
776 Initialize can_icf_inline_merge_sections.
777 * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
778 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
779 Rename from can_check_for_function_pointers, move in file.
780 (Target_x86_64::can_icf_inline_merge_sections): Remove.
781 (Target_x86_64::x86_64_info): Initialize
782 can_icf_inline_merge_sections.
783 * testsuite/testfile.cc (Target_test::test_target_info):
784 Likewise.
785 * icf.cc (get_section_contents): Correct formatting.
786
6d1c4efb
ILT		 7872011-06-27 Ian Lance Taylor <iant@google.com>
788
789 * symtab.cc (Symbol::versioned_name): New function.
790 (Symbol_table::add_to_final_symtab): Use versioned_name when
791 appropriate.
792 (Symbol_table::sized_write_symbol): Likewise.
793 * symtab.h (class Symbol): Declare versioned_name.
794 * stringpool.h (class Stringpool_template): Add variant of add
795 which takes a std::basic_string.
796 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
797 (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
798 (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
799 (ver_test_12.o): New target.
800 * testsuite/Makefile.in: Rebuild.
801
57eb9b50
DK		 8022011-06-27 Doug Kwan <dougkwan@google.com>
803
804 * arm.cc (Arm_relocate_functions::thm_jump8,
805 Arm_relocate_functions::thm_jump11): Use a wider signed
806 type to compute offset.
807 * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
808 arm_thm_jump8.
809 * testsuite/Makefile.in: Regenerate.
810 * testsuite/arm_branch_in_range.sh: Check test results of
811 arm_thm_jump11 and arm_thm_jump8.
812 * testsuite/arm_thm_jump11.s: New test source file.
813 * testsuite/arm_thm_jump11.t: New linker script.
814 * testsuite/arm_thm_jump8.s: New test source file.
815 * testsuite/arm_thm_jump8.t: New linker script.
816
487b39df
ILT		 8172011-06-24 Ian Lance Taylor <iant@google.com>
818
819 * layout.cc: Include "object.h".
820 (ctors_sections_in_init_array): New static variable.
821 (Layout::is_ctors_in_init_array): New function.
822 (Layout::layout): Add entry to ctors_sections_in_init_array if
823 appropriate.
824 * layout.h (class Layout): Declare is_ctors_in_init_array.
825 * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
826 is_ctors_reverse_view is set.
827 (Sized_relobj_file::write_sections): Add layout parameter. Change
828 all callers. Set is_ctors_reverse_view field of View_size.
829 (Sized_relobj_file::reverse_words): New function.
830 * object.h (Sized_relobj_file::View_size): Add
831 is_ctors_reverse_view field.
832 (class Sized_relobj_file): Update declarations.
833 * testsuite/initpri3.c: New test.
834 * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
835 initpri3b.
836 (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
837 (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
838 (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
839 (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
840 * testsuite/Makefile.in: Rebuild.
841
472076e4
CC		 8422011-06-24 Cary Coutant <ccoutant@google.com>
843
844 * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
845 (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
846 (debug_msg_cdebug.err): New targets.
847 * testsuite/Makefile.in: Regenerate.
848 * testsuite/debug_msg.sh: Check output of link with compressed debug.
849 Fix checks for link with shared library.
850
a60af0db
DK		 8512011-06-24 Doug Kwan <dougkwan@google.com>
852
853 * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
854 skip empty text sections.
855 * testsuite/arm_exidx_test.s: Test handling of an empty text section.
856
5393d741
ILT		 8572011-06-22 Ian Lance Taylor <iant@google.com>
858
859 PR gold/12910
860 * options.h (class General_options): Add --ctors-in-init-array.
861 * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
862 friends as SHT_PROGBITS for merging sections.
863 (Layout::layout): Remove special handling of .init_array and
864 friends. Don't sort if doing relocatable link. Sort for .ctors
865 and .dtors if ctors_in_init_array.
866 (Layout::make_output_section): Force correct section types for
867 .init_array and friends. Don't sort if doing relocatable link,
868 Don't sort .ctors and .dtors if ctors_in_init_array.
869 (Layout::section_name_mapping): Remove .ctors. and .dtorso.
870 (Layout::output_section_name): Add relobj parameter. Change all
871 callers. Handle .ctors. and .dtors. in code rather than table.
872 Handle .ctors and .dtors if ctors_in_init_array.
873 (Layout::match_file_name): New function, moved from output.cc.
874 * layout.h (class Layout): Update declarations.
875 * output.cc: Include "layout.h".
876 (Input_section_sort_entry::get_priority): New function.
877 (Input_section_sort_entry::match_file_name): Just call
878 Layout::match_file_name.
879 (Output_section::Input_section_sort_init_fini_compare::operator()):
880 Handle .ctors and .dtors. Sort by explicit priority rather than
881 by name.
882 * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
883 * testsuite/initpri2.c: New test.
884 * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
885 (check_PROGRAMS): Add initpri2.
886 (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
887 (initpri2_LDFLAGS, initpri2_LDADD): New variables.
888 * configure, testsuite/Makefile.in: Rebuild.
889
e1f74f98
ILT		 8902011-06-19 Ian Lance Taylor <iant@google.com>
891
892 PR gold/12880
893 * layout.cc (Layout::attach_allocated_section_to_segment): Add a
894 .interp section to a PT_INTERP segment even if we have seen a
895 --dynamic-linker option. Don't do it if we have seen a PHDRS
896 clause in a linker script.
897 (Layout::finalize): Don't create a .interp section if we've
898 already create a PT_INTERP segment.
899 (Layout::create_interp): Always call choose_output_section (revert
900 patch of 2011-06-17). Don't create PT_INTERP segment.
901 * script-sections.cc
902 (Script_sections::create_note_and_tls_segments): Add a .interp
903 section to a PT_INTERP segment even if we have seen a
904 --dynamic-linker option.
905
766f91bb
ILT		 9062011-06-18 Ian Lance Taylor <iant@google.com>
907
908 * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
909 merely because a non-PT_LOAD segment has a dynamic reloc.
910
0d212c3a
ILT		 9112011-06-18 Ian Lance Taylor <iant@google.com>
912
913 * layout.cc (Layout::finish_dynamic_section): Don't create
914 DT_FLAGS entry if not needed.
915
911a5072
ILT		 9162011-06-18 Ian Lance Taylor <iant@google.com>
917
918 PR gold/12745
919 * layout.cc (Layout::layout_eh_frame): Correct handling of
920 writable .eh_frame section.
921
534b4e5f
ILT		 9222011-06-17 Ian Lance Taylor <iant@google.com>
923
924 PR gold/12893
925 * resolve.cc (Symbol_table::resolve): Don't give an error if a
926 symbol is redefined with the exact same object and value.
927
10b4f102
ILT		 9282011-06-17 Ian Lance Taylor <iant@google.com>
929
930 PR gold/12880
931 * layout.h (class Layout): Add interp_segment_ field.
932 * layout.cc (Layout::Layout): Initialize interp_segment_ field.
933 (Layout::attach_allocated_section_to_segment): If making shared
934 library, put .interp section in PT_INTERP segment.
935 (Layout::finalize): Also call create_interp if -dynamic-linker
936 option was used.
937 (Layout::create_interp): Assert that there is no PT_INTERP
938 segment. If not using a SECTIONS clause, use make_output_section.
939 (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
940 * script-sections.cc
941 (Script_sections::create_note_and_tls_segments): If making shared
942 library, put .interp section in PT_INTERP segment.
943
a29b0dad
ILT		 9442011-06-17 Ian Lance Taylor <iant@google.com>
945
e588ea8d
ILT		 946 * object.cc (Sized_relobj_file::do_layout): Keep warning sections
947 when making a shared library.
948
9492011-06-17 Ian Lance Taylor <iant@google.com>
950
951 * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
952 parameter. Change all callers. Don't issue warning about PC32
953 against locally defined symbol.
a29b0dad 954
9d3b0698
ILT		 9552011-06-16 Ian Lance Taylor <iant@google.com>
956
957 * symtab.cc (Warnings::issue_warning): Don't warn if relocation
958 occurs in same object.
959
85b0f90c
AM		 9602011-06-14 Alan Modra <amodra@gmail.com>
961
962 * po/POTFILES.in: Regenerate.
963
a94907d9
ILT		 9642011-06-09 Ian Lance Taylor <iant@google.com>
965
966 * script-sections.cc
967 (Orphan_output_section::set_section_addresses): For a relocatable
968 link set address to 0.
969
4fb3a1c3
CC		 9702011-06-09 Cary Coutant <ccoutant@google.com>
971
972 PR gold/12804
973 * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
974 used with --compress-debug-sections.
975 * gold/object.cc (Sized_relobj_file::do_layout): Report
976 uncompressed size of compressed input sections.
977
61220854
CC		 9782011-06-08 Cary Coutant <ccoutant@google.com>
979
980 PR gold/12804
981 * testsuite/two_file_test_2_v1.cc: Change initialization of
982 v2 to keep it in .data.
983
e6455dfb
CC		 9842011-06-07 Cary Coutant <ccoutant@google.com>
985
986 * common.cc (Symbol_table::do_allocate_commons_list): Call
987 gold_fallback.
988 * errors.cc (Errors::fatal): Adjust call to gold_exit.
989 (Errors::fallback): New function.
990 (gold_fallback): New function.
991 * errors.h (Errors::fallback): New function.
992 * gold.cc (gold_exit): Change status parameter to enum; adjust
993 all callers.
994 (queue_initial_tasks): Call gold_fallback.
995 * gold.h: Include cstdlib.
996 (Exit_status): New enum type.
997 (gold_exit): Change status parameter to enum.
998 (gold_fallback): New function.
999 * layout.cc (Layout::set_section_offsets): Call gold_fallback.
1000 (Layout::create_symtab_sections): Likewise.
1001 (Layout::create_shdrs): Likewise.
1002 * main.cc (main): Adjust call to gold_exit.
1003 * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
1004 (Output_data_got::add_got_entry_pair): Likewise.
1005 (Output_section::add_input_section): Likewise.
1006 (Output_section::add_output_section_data): Likewise.
1007 (Output_segment::set_section_list_addresses): Likewise.
1008 * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
1009
fb0e076f
CC		 10102011-06-07 Cary Coutant <ccoutant@google.com>
1011
1012 * layout.cc (Layout::set_segment_offsets): Don't adjust layout
1013 for incremental links.
1014 * output.cc (Output_segment::set_section_list_addresses): Remove
1015 FIXME and test for TLS or BSS.
1016
a5ee4d5d
CC		 10172011-06-07 Cary Coutant <ccoutant@google.com>
1018
1019 * testsuite/Makefile.am: Add incremental_copy_test,
1020 incremental_common_test_1.
1021 * testsuite/Makefile.in: Regenerate.
1022 * testsuite/common_test_1_v1.c: New source file.
1023 * testsuite/common_test_1_v2.c: New source file.
1024 * testsuite/copy_test_v1.cc: New source file.
1025
5146f448
CC		 10262011-06-07 Cary Coutant <ccoutant@google.com>
1027
1028 * common.cc (Symbol_table::do_allocate_commons_list): For incremental
1029 update, allocate common from bss section's free list.
1030 * incremental-dump.cc (dump_incremental_inputs): Print flag for
1031 linker-defined symbols.
1032 * incremental.cc (Sized_incremental_binary::do_process_got_plt):
1033 Skip GOT and PLT entries that are no longer referenced.
1034 (Output_section_incremental_inputs::write_info_blocks): Mark
1035 linker-defined symbols.
1036 (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
1037 * output.cc (Output_section::allocate): New function.
1038 * output.h (Output_section::allocate): New function.
1039 * resolve.cc (Symbol_table::report_resolve_problem): Add case for
1040 linker-defined symbols.
1041 (Symbol::override_base_with_special): Copy is_predefined_ flag.
1042 * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
1043 (Symbol::init_base_output_data): Likewise.
1044 (Symbol::init_base_output_segment): Likewise.
1045 (Symbol::init_base_constant): Likewise.
1046 (Sized_symbol::init_output_data): Likewise.
1047 (Sized_symbol::init_output_segment): Likewise.
1048 (Sized_symbol::init_constant): Likewise.
1049 (Symbol_table::do_define_in_output_data): Likewise.
1050 (Symbol_table::do_define_in_output_segment): Likewise.
1051 (Symbol_table::do_define_as_constant): Likewise.
1052 * symtab.h (Symbol::is_predefined): New function.
1053 (Symbol::init_base_output_data): Add is_predefined parameter.
1054 (Symbol::init_base_output_segment): Likewise.
1055 (Symbol::init_base_constant): Likewise.
1056 (Symbol::is_predefined_): New data member.
1057 (Sized_symbol::init_output_data): Add is_predefined parameter.
1058 (Sized_symbol::init_output_segment): Likewise.
1059 (Sized_symbol::init_constant): Likewise.
1060 (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
1061
26d3c67d
CC		 10622011-06-07 Cary Coutant <ccoutant@google.com>
1063
1064 * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
1065 instead of emit_copy_reloc.
1066 (Copy_relocs::emit_copy_reloc): Refactor.
1067 (Copy_relocs::make_copy_reloc): New function.
1068 (Copy_relocs::add_copy_reloc): Remove.
1069 * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
1070 section.
1071 (Copy_relocs::make_copy_reloc): New function.
1072 (Copy_relocs::add_copy_reloc): Remove.
1073 * gold.cc (queue_middle_tasks): Emit old COPY relocations from
1074 unchanged input files.
1075 * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
1076 * incremental.cc (Sized_incremental_binary::do_reserve_layout):
1077 Reserve BSS space for COPY relocations.
1078 (Sized_incremental_binary::do_emit_copy_relocs): New function.
1079 (Output_section_incremental_inputs::write_info_blocks): Record
1080 whether a symbol is copied from a shared object.
1081 (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
1082 * incremental.h (enum Incremental_shlib_symbol_flags): New type.
1083 (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
1084 (Incremental_input_entry_reader::get_output_symbol_index): Add
1085 is_copy parameter.
1086 (Incremental_binary::emit_copy_relocs): New function.
1087 (Incremental_binary::do_emit_copy_relocs): New function.
1088 (Sized_incremental_binary::Sized_incremental_binary): Initialize
1089 new data member.
1090 (Sized_incremental_binary::add_copy_reloc): New function.
1091 (Sized_incremental_binary::do_emit_copy_relocs): New function.
1092 (Sized_incremental_binary::Copy_reloc): New struct.
1093 (Sized_incremental_binary::Copy_relocs): New typedef.
1094 (Sized_incremental_binary::copy_relocs_): New data member.
1095 * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
1096 * symtab.h (Symbol_table::add_from_incrobj): Change return type.
1097 * target.h (Sized_target::emit_copy_reloc): New function.
1098 * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
1099
7cdb37d9
CC		 11002011-06-02 Cary Coutant <ccoutant@google.com>
1101
1102 PR gold/12163
1103 * gold/archive.cc (Archive::Archive): Initialize new data member.
1104 (Archive::include_all_members): Return if archive has already been
1105 included.
1106 * gold/archive.h (Archive::include_all_members_): New data member.
1107
cc643b88
NC		 11082011-06-02 Nick Clifton <nickc@redhat.com>
1109
1110 * dynobj.h: Fix spelling mistake in comment.
1111 * output.cc: Likewise.
1112
f62a3ca7
DK		 11132011-05-31 Doug Kwan <dougkwan@google.com>
1114 Asier Llano
1115
1116 PR gold/12826
cc643b88 1117 * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
f62a3ca7
DK		 1118 arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
1119 * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up. Remove
1120 redundant arm_exidx_test.so.
1121 * testsuite/Makefile.in: Regenerate.
1122 (check_SCRIPTS): Add pr12826.sh
1123 (check_DATA): Add pr12826.stdout
1124 (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
1125 * testsuite/pr12826.sh: New file.
1126 * testsuite/pr12826_1.s: Ditto.
1127 * testsuite/pr12826_1.s: Ditto.
1128
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ILT		 11292011-05-30 Ian Lance Taylor <iant@google.com>
1130
1131 * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
1132 sections.
1133
c49875be
ILT		 11342011-05-29 Ian Lance Taylor <iant@google.com>
1135
1136 PR gold/12804
1137 * testsuite/Makefile.am: Use different file name for two_file_test
1138 temporary file for each incremental test.
1139 * testsuite/Makefile.in: Rebuild.
1140
69d53f7a
ILT		 11412011-05-29 Ian Lance Taylor <iant@google.com>
1142
1143 * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
1144 binary input file is empty.
1145
41d0ab5f
ILT		 11462011-05-27 Ian Lance Taylor <iant@google.com>
1147
1148 * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
1149 (ver_test_9.so): Likewise.
1150 * testsuite/Makefile.in: Rebuild.
1151
89d8a36b
CC		 11522011-05-26 Cary Coutant <ccoutant@google.com>
1153
1154 * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
1155 * incremental.cc (Incremental_inputs::report_input_section): Fix
1156 comment, indentation.
1157 (Incremental_inputs::report_comdat_group): New function.
1158 (Output_section_incremental_inputs::set_final_data_size): Adjust size
1159 of data for incremental input file entry.
1160 (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
1161 group count, COMDAT group signatures.
1162 (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
1163 an unchanged input file.
1164 * incremental.h (Incremental_object_entry::Incremental_object_entry):
1165 Initialize new data member.
1166 (Incremental_object_entry::add_comdat_group): New function.
1167 (Incremental_object_entry::get_comdat_group_count): New function.
1168 (Incremental_object_entry::get_comdat_signature_key): New function.
1169 (Incremental_object_entry::groups_): New data member.
1170 (Incremental_inputs::report_comdat_group): New function.
1171 (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
1172 data for incremental input file entry.
1173 (Incremental_input_entry_reader::get_comdat_group_count): New function.
1174 (Incremental_input_entry_reader::get_input_section): Adjust size of
1175 data for incremental input file entry.
1176 (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
1177 (Incremental_input_entry_reader::get_comdat_group_signature): New
1178 function.
1179 * object.cc (Sized_relobj::include_section_group): Report kept
1180 COMDAT groups for incremental links.
1181
1706a06f
ILT		 11822011-05-24 David Meyer <pdox@google.com>
1183
1184 * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
1185 with name parameter. Add found_name parameter.
1186 * fileread.cc (Input_file::find_file): Adjust code accordingly.
1187 * dirsearch.h (class Dirsearch): Update declaration.
1188
a10ae760
ILT		 11892011-05-24 Ian Lance Taylor <iant@google.com>
1190
1191 * archive.cc (Library_base::should_include_member): Pull in object
1192 from archive if it defines the entry symbol.
1193 * parameters.cc (Parameters::entry): New function.
1194 * parameters.h (class Parameters): Declare entry.
1195 * output.h (class Output_file_header): Remove entry_ field.
1196 * output.cc (Output_file_header::Output_file_header): Remove entry
1197 parameter. Change all callers.
1198 (Output_file_header::entry): Use parameters->entry.
1199 * gold.cc (queue_middle_tasks): Likewise.
1200 * plugin.cc (Plugin_hook::run): Likewise.
1201
aa92d6ed
CC		 12022011-05-24 Cary Coutant <ccoutant@google.com>
1203
1204 * gold.cc (queue_initial_tasks): Pass incremental base filename
1205 to Output_file::open_base_file; don't print error message.
1206 * incremental-dump.cc (main): Adjust call to
1207 Output_file::open_for_modification.
1208 * incremental-dump.cc (main): Likewise.
1209 * incremental.cc (Incremental_inputs::report_command_line):
1210 Ignore --incremental-base option when comparing command lines.
1211 Ignore parameter when given as separate argument.
1212 * options.h (class General_options): Add --incremental-base.
1213 * output.cc (Output_file::Output_file):
1214 (Output_file::open_base_file): Add base_name and writable parameters;
1215 read base file into new file; print error message here.
1216 (Output_file::map_no_anonymous): Add writable parameter; adjust all
1217 callers.
1218 * output.h (Output_file::open_for_modification): Rename to...
1219 (Output_file::open_base_file): ...this; add base_name and
1220 writable parameters; adjust all callers.
1221 (Output_file::map_no_anonymous): Add writable parameter; adjust all
1222 callers.
1223 * testsuite/Makefile.am (incremental_test_4): Test
1224 --incremental-base.
1225 * testsuite/Makefile.in: Regenerate.
1226
2eedd706
CC		 12272011-05-24 Cary Coutant <ccoutant@google.com>
1228
1229 * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
1230 incremental_test_4.
1231 * testsuite/Makefile.in: Regenerate.
1232 * testsuite/two_file_test_1_v1.cc: New test source file.
1233 * testsuite/two_file_test_1b_v1.cc: New test source file.
1234 * testsuite/two_file_test_2_v1.cc: New test source file.
1235
0f1c85a6
CC		 12362011-05-24 Cary Coutant <ccoutant@google.com>
1237
1238 * dynobj.h (Dynobj::do_dynobj): New function.
1239 * incremental-dump.cc (dump_incremental_inputs): Print as_needed
1240 flag and soname for shared objects.
1241 * incremental.cc (Incremental_inputs::report_object): Make
1242 either Incremental_object_entry or Incremental_dynobj_entry; add
1243 soname to string table.
1244 (Incremental_inputs::report_input_section): Add assertion.
1245 (Output_section_incremental_inputs::set_final_data_size): Adjust
1246 type of input file entry for shared libraries; adjust size of
1247 shared library info entry.
1248 (Output_section_incremental_inputs::write_input_files): Write
1249 as_needed flag for shared libraries.
1250 (Output_section_incremental_inputs::write_info_blocks): Adjust type
1251 of input file entry for shared libraries; write soname.
1252 (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
1253 soname from incremental info.
1254 * incremental.h (enum Incremental_input_flags): Add
1255 INCREMENTAL_INPUT_AS_NEEDED.
1256 (Incremental_input_entry::Incremental_input_entry): Initialize new
1257 data member.
1258 (Incremental_input_entry::set_as_needed): New function.
1259 (Incremental_input_entry::as_needed): New function.
1260 (Incremental_input_entry::do_dynobj_entry): New function.
1261 (Incremental_input_entry::as_needed_): New data member.
1262 (Incremental_object_entry::Incremental_object_entry): Don't check
1263 for shared library.
1264 (Incremental_object_entry::do_type): Likewise.
1265 (class Incremental_dynobj_entry): New class.
1266 (Incremental_input_entry_reader::as_needed): New function.
1267 (Incremental_input_entry_reader::get_soname): New function.
1268 (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
1269 (Incremental_input_entry_reader::get_output_symbol_index): Adjust
1270 size of shared library info entry.
1271 * layout.cc (Layout::finish_dynamic_section): Don't test for
1272 incremental link when adding DT_NEEDED entries.
1273 * object.h (Object::Object): Initialize new data member.
1274 (Object::dynobj): New function.
1275 (Object::set_as_needed): New function.
1276 (Object::as_needed): New function.
1277 (Object::do_dynobj): New function.
1278 (Object::as_needed_): New data member.
1279
6fa2a40b
CC		 12802011-05-24 Cary Coutant <ccoutant@google.com>
1281
1282 * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
1283 info; adjust display of GOT entries.
1284 * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1285 vector of input objects; remove file_status_.
1286 (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
1287 (Sized_incremental_binary::do_process_got_plt): Adjust calls to
1288 got_plt reader; call target hooks to reserve GOT entries.
1289 (Output_section_incremental_inputs::set_final_data_size): Adjust size
1290 of input file info header and GOT info entry.
1291 (Output_section_incremental_inputs::write_info_blocks): Write dynamic
1292 relocation info.
1293 (Got_plt_view_info::got_descriptor): Remove.
1294 (Got_plt_view_info::sym_index): New data member.
1295 (Got_plt_view_info::input_index): New data member.
1296 (Local_got_offset_visitor::visit): Write input file index.
1297 (Global_got_offset_visitor::visit): Write 0 for input file index.
1298 (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
1299 with sym_index and input_index.
1300 (Output_section_incremental_inputs::write_got_plt): Adjust size of
1301 incremental info GOT entry; replace got_descriptor with input_index.
1302 (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
1303 map from input file index to object.
1304 (Sized_relobj_incr::do_layout): Replace direct data member reference
1305 with accessor function.
1306 (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
1307 * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
1308 Adjust size of input file info header.
1309 (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
1310 (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
1311 (Incremental_input_entry_reader::get_input_section): Adjust size of
1312 input file info header.
1313 (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
1314 of incremental info GOT entry.
1315 (Incremental_got_plt_reader::get_got_desc): Remove.
1316 (Incremental_got_plt_reader::get_got_symndx): New function.
1317 (Incremental_got_plt_reader::get_got_input_index): New function.
1318 (Sized_incremental_binary::Sized_incremental_binary): Remove
1319 file_status_; add input_objects_.
1320 (Sized_incremental_binary::~Sized_incremental_binary): Remove.
1321 (Sized_incremental_binary::set_file_is_unchanged): Remove.
1322 (Sized_incremental_binary::file_is_unchanged): Remove.
1323 (Sized_incremental_binary::set_input_object): New function.
1324 (Sized_incremental_binary::input_object): New function.
1325 (Sized_incremental_binary::file_status_): Remove.
1326 (Sized_incremental_binary::input_objects_): New data member.
1327 (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
1328 references.
1329 (Sized_relobj_incr::invalid_address): Move to base class.
1330 (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
1331 class.
1332 (Sized_relobj_incr::do_output_section_offset): Likewise.
1333 (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
1334 (Sized_relobj_incr::section_offsets_): Likewise.
1335 * object.cc (Sized_relobj::do_for_all_local_got_entries): New
1336 function.
1337 (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
1338 (Sized_relobj_file::layout_section): Replace refs to section_offsets_
1339 with accessor function.
1340 (Sized_relobj_file::do_layout): Likewise.
1341 (Sized_relobj_file::do_layout_deferred_sections): Likewise.
1342 (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
1343 (Sized_relobj_file::compute_final_local_value): Replace refs to
1344 section_offsets_ with accessor function.
1345 (Sized_relobj_file::do_finalize_local_symbols): Likewise.
1346 * object.h (Relobj::Relobj): Initialize new data members.
1347 (Relobj::add_dyn_reloc): New function.
1348 (Relobj::first_dyn_reloc): New function.
1349 (Relobj::dyn_reloc_count): New function.
1350 (Relobj::first_dyn_reloc_): New data member.
1351 (Relobj::dyn_reloc_count_): New data member.
1352 (Sized_relobj): Rename Sized_relobj_base to this; adjust all
1353 references.
1354 (Sized_relobj::Address): New typedef.
1355 (Sized_relobj::invalid_address): Move here from child class.
1356 (Sized_relobj::Sized_relobj): Initialize new data members.
1357 (Sized_relobj::sized_relobj): New function.
1358 (Sized_relobj::is_output_section_offset_invalid): Move here from
1359 child class.
1360 (Sized_relobj::get_output_section_offset): Likewise.
1361 (Sized_relobj::local_has_got_offset): Likewise.
1362 (Sized_relobj::local_got_offset): Likewise.
1363 (Sized_relobj::set_local_got_offset): Likewise.
1364 (Sized_relobj::do_for_all_local_got_entries): Likewise.
1365 (Sized_relobj::clear_got_offsets): New function.
1366 (Sized_relobj::section_offsets): Move here from child class.
1367 (Sized_relobj::do_output_section_offset): Likewise.
1368 (Sized_relobj::do_set_section_offset): Likewise.
1369 (Sized_relobj::Local_got_offsets): Likewise.
1370 (Sized_relobj::local_got_offsets_): Likewise.
1371 (Sized_relobj::section_offsets_): Likewise.
1372 (Sized_relobj_file): Rename Sized_relobj to this; adjust all
1373 references.
1374 (Sized_relobj_file::is_output_section_offset_invalid): Move to base
1375 class.
1376 (Sized_relobj_file::sized_relobj): New function
1377 (Sized_relobj_file::local_has_got_offset): Move to base class.
1378 (Sized_relobj_file::local_got_offset): Likewise.
1379 (Sized_relobj_file::set_local_got_offset): Likewise.
1380 (Sized_relobj_file::get_output_section_offset): Likewise.
1381 (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
1382 (Sized_relobj_file::do_output_section_offset): Likewise.
1383 (Sized_relobj_file::do_set_section_offset): Likewise.
1384 (Sized_relobj_file::Local_got_offsets): Likewise.
1385 (Sized_relobj_file::local_got_offsets_): Likewise.
1386 (Sized_relobj_file::section_offsets_): Likewise.
1387 * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
1388 (all constructors).
1389 (set_needs_dynsym_index): Convert relobj to derived class pointer.
1390 (Output_reloc::get_symbol_index): Likewise.
1391 (Output_reloc::local_section_offset): Likewise.
1392 (Output_reloc::get_address): Likewise.
1393 (Output_reloc::symbol_value): Likewise.
1394 (Output_data_got::reserve_slot): Move to class definition.
1395 (Output_data_got::reserve_local): New function.
1396 (Output_data_got::reserve_slot_for_global): Remove.
1397 (Output_data_got::reserve_global): New function.
1398 * output.h (Output_reloc::Output_reloc): Adjust type of relobj
1399 (all constructors, two instantiations).
1400 (Output_reloc::get_relobj): New function (two instantiations).
1401 (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
1402 (Output_data_reloc_base::add): Convert relobj to derived class pointer.
1403 (Output_data_reloc::add_global): Adjust type of relobj.
1404 (Output_data_reloc::add_global_relative): Likewise.
1405 (Output_data_reloc::add_symbolless_global_addend): Likewise.
1406 (Output_data_reloc::add_local): Likewise.
1407 (Output_data_reloc::add_local_relative): Likewise.
1408 (Output_data_reloc::add_symbolless_local_addend): Likewise.
1409 (Output_data_reloc::add_local_section): Likewise.
1410 (Output_data_reloc::add_output_section): Likewise.
1411 (Output_data_reloc::add_absolute): Likewise.
1412 (Output_data_reloc::add_target_specific): Likewise.
1413 (Output_data_got::reserve_slot): Move definition here.
1414 (Output_data_got::reserve_local): New function.
1415 (Output_data_got::reserve_global): New function.
1416 * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
1417 section_offsets_ with accessor function.
1418 (Sized_relobj_file::write_sections): Likewise.
1419 (Sized_relobj_file::do_relocate_sections): Likewise.
1420 * target.h (Sized_target::reserve_local_got_entry): New function.
1421 (Sized_target::reserve_global_got_entry): New function.
1422 * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
1423 (Target_x86_64::reserve_global_got_entry): New function.
1424 (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
1425
4829d394
CC		 14262011-05-23 Cary Coutant <ccoutant@google.com>
1427
1428 * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
1429 * incremental-dump.cc (dump_incremental_inputs): Mask high-order
1430 bit when checking got_type.
1431 * incremental.cc (Sized_incremental_binary::setup_readers):
1432 Store symbol table and string table locations; initialize bit vector
1433 of file status flags.
1434 (Sized_incremental_binary::do_reserve_layout): Set bit flag for
1435 unchanged files.
1436 (Sized_incremental_binary::do_process_got_plt): New function.
1437 (Sized_incremental_binary::get_symtab_view): Use stored locations.
1438 (Output_section_incremental_inputs::set_final_data_size): Record
1439 file index for each input file.
1440 (Output_section_incremental_inputs::write_got_plt): Store file index
1441 instead of input entry offset for each GOT entry.
1442 * incremental.h
1443 (Incremental_input_entry::Incremental_input_entry): Initialize new
1444 data member.
1445 (Incremental_input_entry::set_offset): Store file index.
1446 (Incremental_input_entry::get_file_index): New function.
1447 (Incremental_input_entry::file_index_): New data member.
1448 (Incremental_binary::process_got_plt): New function.
1449 (Incremental_binary::do_process_got_plt): New function.
1450 (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1451 data members.
1452 (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1453 (Sized_incremental_binary::set_file_is_unchanged): New function.
1454 (Sized_incremental_binary::file_is_unchanged): New function.
1455 (Sized_incremental_binary::do_process_got_plt): New function.
1456 (Sized_incremental_binary::file_status_): New data member.
1457 (Sized_incremental_binary::main_symtab_loc_): New data member.
1458 (Sized_incremental_binary::main_strtab_loc_): New data member.
1459 * output.cc (Output_data_got::Got_entry::write): Add case
1460 RESERVED_CODE.
1461 (Output_data_got::add_global): Call add_got_entry.
1462 (Output_data_got::add_global_plt): Likewise.
1463 (Output_data_got::add_global_with_rel): Likewise.
1464 (Output_data_got::add_global_with_rela): Likewise.
1465 (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1466 (Output_data_got::add_global_pair_with_rela): Likewise.
1467 (Output_data_got::add_local): Call add_got_entry.
1468 (Output_data_got::add_local_plt): Likewise.
1469 (Output_data_got::add_local_with_rel): Likewise.
1470 (Output_data_got::add_local_with_rela): Likewise.
1471 (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1472 (Output_data_got::add_local_pair_with_rela): Likewise.
1473 (Output_data_got::reserve_slot): New function.
1474 (Output_data_got::reserve_slot_for_global): New function.
1475 (Output_data_got::add_got_entry): New function.
1476 (Output_data_got::add_got_entry_pair): New function.
1477 (Output_section::add_output_section_data): Edit FIXME.
1478 * output.h
1479 (Output_section_data_build::Output_section_data_build): New
1480 constructor with size parameter.
1481 (Output_data_space::Output_data_space): Likewise.
1482 (Output_data_got::Output_data_got): Initialize new data member; new
1483 constructor with size parameter.
1484 (Output_data_got::add_constant): Call add_got_entry.
1485 (Output_data_got::reserve_slot): New function.
1486 (Output_data_got::reserve_slot_for_global): New function.
1487 (class Output_data_got::Got_entry): Add RESERVED_CODE.
1488 (Output_data_got::add_got_entry): New function.
1489 (Output_data_got::add_got_entry_pair): New function.
1490 (Output_data_got::free_list_): New data member.
1491 * target.h (Sized_target::init_got_plt_for_update): New function.
1492 (Sized_target::register_global_plt_entry): New function.
1493 * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1494 Initialize new data member; call init; add constructor with PLT count.
1495 (Output_data_plt_x86_64::init): New function.
1496 (Output_data_plt_x86_64::add_relocation): New function.
1497 (Output_data_plt_x86_64::reserve_slot): New function.
1498 (Output_data_plt_x86_64::free_list_): New data member.
1499 (Target_x86_64::init_got_plt_for_update): New function.
1500 (Target_x86_64::register_global_plt_entry): New function.
1501 (Output_data_plt_x86_64::add_entry): Allocate from free list for
1502 incremental updates.
1503 (Output_data_plt_x86_64::add_relocation): New function.
1504 * testsuite/object_unittest.cc (Object_test): Set default options.
1505
ec69d6da
ILT		 15062011-05-16 Ian Lance Taylor <iant@google.com>
1507
1508 * options.h (class General_options): Make -i a synonym for -r.
1509
732e31de
ILT		 15102011-05-16 Ian Lance Taylor <iant@google.com>
1511
1512 * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1513
403676b5
CC		 15142011-05-10 Cary Coutant <ccoutant@google.com>
1515
1516 * object.cc (Sized_relobj::do_count_local_symbols): Check for
1517 strip_all (-s).
1518
5b7b7d6e
ILT		 15192011-05-06 Ian Lance Taylor <iant@google.com>
1520
1521 * layout.cc (Layout::layout): If the output section flags change,
1522 update the ordering.
1523
f0f9babf
CC		 15242011-04-25 Cary Coutant <ccoutant@google.com>
1525
1526 * incremental-dump.cc (dump_incremental_inputs): Print local
1527 symbol info for each input file.
1528 * incremental.cc
1529 (Output_section_incremental_inputs::set_final_data_size): Add local
1530 symbol info to input file entries in incremental info.
1531 (Output_section_incremental_inputs::write_info_blocks): Likewise.
1532 (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1533 (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1534 (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1535 implementation.
1536 (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1537 (Sized_incr_relobj::do_relocate): Write the local symbols.
1538 (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1539 * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1540 Adjust size of input file header.
1541 (Incremental_inputs_reader::get_local_symbol_offset): New function.
1542 (Incremental_inputs_reader::get_local_symbol_count): New function.
1543 (Incremental_inputs_reader::get_input_section): Adjust size of input
1544 file header.
1545 (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1546 (Sized_incr_relobj::This): New typedef.
1547 (Sized_incr_relobj::sym_size): New const data member.
1548 (Sized_incr_relobj::Local_symbol): New struct.
1549 (Sized_incr_relobj::do_output_local_symbol_count): New function.
1550 (Sized_incr_relobj::do_local_symbol_offset): New function.
1551 (Sized_incr_relobj::local_symbol_count_): New data member.
1552 (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1553 (Sized_incr_relobj::local_symbol_index_): New data member.
1554 (Sized_incr_relobj::local_symbol_offset_): New data member.
1555 (Sized_incr_relobj::local_dynsym_offset_): New data member.
1556 (Sized_incr_relobj::local_symbols_): New data member.
1557 * object.h (Relobj::output_local_symbol_count): New function.
1558 (Relobj::local_symbol_offset): New function.
1559 (Relobj::do_output_local_symbol_count): New function.
1560 (Relobj::do_local_symbol_offset): New function.
1561 (Sized_relobj::do_output_local_symbol_count): New function.
1562 (Sized_relobj::do_local_symbol_offset): New function.
1563
d0a9ace3
ILT		 15642011-04-22 Vladimir Simonov <sv@sw.ru>
1565
1566 * descriptors.cc (set_close_on_exec): New function.
1567 (Descriptors::open): Use set_close_on_exec.
1568 * output.cc (S_ISLNK): Define if not defined.
1569
94a3fc8b
CC		 15702011-04-22 Cary Coutant <ccoutant@google.com>
1571
1572 * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1573 global symbol map.
1574 (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1575 (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1576 (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1577 relocations.
1578 (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1579 (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1580 (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1581 * incremental.h
1582 (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1583 function.
1584 (Incremental_binary::apply_incremental_relocs): New function.
1585 (Incremental_binary::do_apply_incremental_relocs): New function.
1586 (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1587 data member.
1588 (Sized_incremental_binary::add_global_symbol): New function.
1589 (Sized_incremental_binary::global_symbol): New function.
1590 (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1591 (Sized_incremental_binary::symbol_map_): New data member.
1592 * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1593 * target.h (Sized_target::apply_relocation): New function.
1594 * target-reloc.h (apply_relocation): New function.
1595 * x86_64.cc (Target_x86_64::apply_relocation): New function.
1596
c87e4302
DK		 15972011-04-22 Doug Kwan <dougkwan@google.com>
1598
1599 * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1600 flag of a SHT_ARM_EXIDX section.
1601 * testsuite/Makefile.am (arm_exidx_test): New test rules.
1602 * testsuite/Makefile.in: Regenerate.
1603 * testsuite/arm_exidx_test.s: New file.
1604 * testsuite/arm_exidx_test.sh: Same.
1605
e7782cf6
CC		 16062011-04-20 Cary Coutant <ccoutant@google.com>
1607
1608 PR gold/12689
1609 * archive.h (Incremental_archive_entry::Archive_member):
1610 Initialize arg_serial_ (second constructor).
1611
308ecdc7
ILT		 16122011-04-17 Ian Lance Taylor <iant@google.com>
1613
1614 * object.cc (Relocate_info::location): Simplify location string.
1615 * errors.cc (Errors::error_at_location): Don't print program
1616 name.
1617 (Errors::warning_at_location): Likewise.
1618 (Errors::undefined_symbol): Likewise.
1619 * testsuite/debug_msg.sh: Update accordingly.
1620
bec5b579
CC		 16212011-04-14 Cary Coutant <ccoutant@google.com>
1622
1623 * gold/layout.cc (Layout::symtab_section_offset): New function.
1624 * gold/layout.h (Layout::symtab_section_offset): New function.
1625 * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1626
88597d34
ILT		 16272011-04-12 Ian Lance Taylor <iant@google.com>
1628
1629 * configure.ac: Check for sys/mman.h and mmap. Check for mremap
1630 with MREMAP_MAYMOVE.
1631 * output.h (class Output_file): Add map_is_allocated_ field.
1632 * output.cc: Only #include <sys/mman.h> if it exists. If mmap is
1633 not available, provide stubs. If mremap is not available, #define
1634 it to gold_mremap.
1635 (MREMAP_MAYMOVE): Define if not defined.
1636 (Output_file::Output_file): Initialize map_is_allocated_.
1637 (Output_file::resize): Check map_is_allocated_.
1638 (Output_file::map_anonymous): If mmap fails, use malloc.
1639 (Output_file::unmap): Don't do anything for an anonymous map.
1640 * fileread.cc: Only #include <sys/mman.h> if it exists. If mmap
1641 is not available, provide stubs.
1642 (File_read::View::~View): Use free rather than delete[].
1643 (File_read::make_view): Use malloc rather than new[]. If mmap
1644 fails, use malloc.
1645 (File_read::find_or_make_view): Use malloc rather than new[].
1646 * gold.h: Remove HAVE_REMAP code.
1647 * mremap.c: #include <errno.h>. Only #include <sys/mman.h> if it
1648 exists. Rename mremap to gold_mremap. If mmap is not available
1649 don't do anything.
1650 * configure, config.in: Rebuild.
1651
11e361bc
ILT		 16522011-04-11 Ian Lance Taylor <iant@google.com>
1653
1654 * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1655 initialize local variable v.
1656
cdc29364
CC		 16572011-04-11 Cary Coutant <ccoutant@google.com>
1658
1659 * archive.cc (Archive::include_member): Adjust call to
1660 report_object.
1661 (Add_archive_symbols::run): Track argument serial numbers.
1662 (Lib_group::include_member): Likewise.
1663 (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1664 * archive.h (Incremental_archive_entry::Archive_member):
1665 Initialize arg_serial_.
1666 (Archive_member::arg_serial_): New data member.
1667 * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1668 (Sized_dynobj::do_add_symbols): Track symbols when doing an
1669 incremental link.
1670 (Sized_dynobj::do_for_all_local_got_entries): New function.
1671 * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1672 function.
1673 * fileread.cc (get_mtime): New function.
1674 * fileread.h (get_mtime): New function.
1675 * gold.cc (queue_initial_tasks): Check for incremental update.
1676 (process_incremental_input): New function.
1677 (queue_middle_tasks): Don't force valid target for incremental
1678 update.
1679 * incremental-dump.cc (find_input_containing_global): Adjust
1680 size of symbol info entry.
1681 (dump_incremental_inputs): Dump argument serial number and
1682 in_system_directory flag; bias shndx by 1; print symbol names
1683 when dumping per-file symbol lists; use new symbol info readers.
1684 * incremental.cc
1685 (Output_section_incremental_inputs:update_data_size): New function.
1686 (Sized_incremental_binary::setup_readers): Setup input readers
1687 for each input file; build maps for files added from libraries
1688 and scripts.
1689 (Sized_incremental_binary::check_input_args): New function.
1690 (Sized_incremental_binary::do_check_inputs): Build map of argument
1691 serial numbers to input arguments.
1692 (Sized_incremental_binary::do_file_has_changed): Rename
1693 do_file_is_unchanged to this; compare file modification times.
1694 (Sized_incremental_binary::do_init_layout): New function.
1695 (Sized_incremental_binary::do_reserve_layout): New function.
1696 (Sized_incremental_binary::do_get_input_reader): Remove.
1697 (Sized_incremental_binary::get_symtab_view): New function.
1698 (Incremental_checker::can_incrementally_link_output_file): Remove.
1699 (Incremental_inputs::report_command_line): Exclude --debug options.
1700 (Incremental_inputs::report_archive_begin): Add parameter; track
1701 argument serial numbers; don't put input file entry for archive
1702 before archive members.
1703 (Incremental_inputs::report_archive_end): Put input file entry
1704 for archive after archive members.
1705 (Incremental_inputs::report_object): Add parameter; track argument
1706 serial numbers and in_system_directory flag.
1707 (Incremental_inputs::report_script): Add parameter; track argument
1708 serial numbers.
1709 (Output_section_incremental_inputs::set_final_data_size): Adjust
1710 size of symbol info entry; check for forwarding symbols.
1711 (Output_section_incremental_inputs::write_input_files): Write
1712 in_system_directory flag and argument serial number.
1713 (Output_section_incremental_inputs::write_info_blocks): Map section
1714 indices between incremental info and original input file; store
1715 input section index for each symbol.
1716 (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1717 change operator() to visit().
1718 (class Global_got_offset_visitor): Likewise.
1719 (class Global_symbol_visitor_got_plt):
1720 (Output_section_incremental_inputs::write_got_plt): Use new visitor
1721 classes.
1722 (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1723 (Sized_incr_relobj::do_read_symbols): New function.
1724 (Sized_incr_relobj::do_layout): New function.
1725 (Sized_incr_relobj::do_layout_deferred_sections): New function.
1726 (Sized_incr_relobj::do_add_symbols): New function.
1727 (Sized_incr_relobj::do_should_include_member): New function.
1728 (Sized_incr_relobj::do_for_all_global_symbols): New function.
1729 (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1730 (Sized_incr_relobj::do_section_size): New function.
1731 (Sized_incr_relobj::do_section_name): New function.
1732 (Sized_incr_relobj::do_section_contents): New function.
1733 (Sized_incr_relobj::do_section_flags): New function.
1734 (Sized_incr_relobj::do_section_entsize): New function.
1735 (Sized_incr_relobj::do_section_address): New function.
1736 (Sized_incr_relobj::do_section_type): New function.
1737 (Sized_incr_relobj::do_section_link): New function.
1738 (Sized_incr_relobj::do_section_info): New function.
1739 (Sized_incr_relobj::do_section_addralign): New function.
1740 (Sized_incr_relobj::do_initialize_xindex): New function.
1741 (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1742 (Sized_incr_relobj::do_read_relocs): New function.
1743 (Sized_incr_relobj::do_gc_process_relocs): New function.
1744 (Sized_incr_relobj::do_scan_relocs): New function.
1745 (Sized_incr_relobj::do_count_local_symbols): New function.
1746 (Sized_incr_relobj::do_finalize_local_symbols): New function.
1747 (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1748 (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1749 (Sized_incr_relobj::do_relocate): New function.
1750 (Sized_incr_relobj::do_set_section_offset): New function.
1751 (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1752 (Sized_incr_dynobj::do_read_symbols): New function.
1753 (Sized_incr_dynobj::do_layout): New function.
1754 (Sized_incr_dynobj::do_add_symbols): New function.
1755 (Sized_incr_dynobj::do_should_include_member): New function.
1756 (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1757 (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1758 (Sized_incr_dynobj::do_section_size): New function.
1759 (Sized_incr_dynobj::do_section_name): New function.
1760 (Sized_incr_dynobj::do_section_contents): New function.
1761 (Sized_incr_dynobj::do_section_flags): New function.
1762 (Sized_incr_dynobj::do_section_entsize): New function.
1763 (Sized_incr_dynobj::do_section_address): New function.
1764 (Sized_incr_dynobj::do_section_type): New function.
1765 (Sized_incr_dynobj::do_section_link): New function.
1766 (Sized_incr_dynobj::do_section_info): New function.
1767 (Sized_incr_dynobj::do_section_addralign): New function.
1768 (Sized_incr_dynobj::do_initialize_xindex): New function.
1769 (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1770 (make_sized_incremental_object): New function.
1771 (Incremental_library::copy_unused_symbols): New function.
1772 (Incremental_library::do_for_all_unused_symbols): New function.
1773 * incremental.h (enum Incremental_input_flags): New type.
1774 (class Incremental_checker): Remove.
1775 (Incremental_input_entry::Incremental_input_entry): Add argument
1776 serial number.
1777 (Incremental_input_entry::arg_serial): New function.
1778 (Incremental_input_entry::set_is_in_system_directory): New function.
1779 (Incremental_input_entry::is_in_system_directory): New function.
1780 (Incremental_input_entry::arg_serial_): New data member.
1781 (Incremental_input_entry::is_in_system_directory_): New data member.
1782 (class Script_info): Move here from script.h.
1783 (Script_info::Script_info): Add filename parameter.
1784 (Script_info::filename): New function.
1785 (Script_info::filename_): New data member.
1786 (Incremental_script_entry::Incremental_script_entry): Add argument
1787 serial number.
1788 (Incremental_object_entry::Incremental_object_entry): Likewise.
1789 (Incremental_object_entry::add_input_section): Build list of input
1790 sections with map to original shndx.
1791 (Incremental_object_entry::get_input_section_index): New function.
1792 (Incremental_object_entry::shndx_): New data member.
1793 (Incremental_object_entry::name_key_): Rename; adjust all refs.
1794 (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1795 (Incremental_archive_entry::Incremental_archive_entry): Add argument
1796 serial number.
1797 (Incremental_inputs::report_archive_begin): Likewise.
1798 (Incremental_inputs::report_object): Likewise.
1799 (Incremental_inputs::report_script): Likewise.
1800 (class Incremental_global_symbol_reader): New class.
1801 (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1802 and store flags and input file type.
1803 (Incremental_input_entry_reader::arg_serial): New function.
1804 (Incremental_input_entry_reader::type): Extract type from flags.
1805 (Incremental_input_entry_reader::is_in_system_directory): New function.
1806 (Incremental_input_entry_reader::get_input_section_count): Call
1807 accessor function for type.
1808 (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1809 function for type; adjust size of global symbol entry.
1810 (Incremental_input_entry_reader::get_global_symbol_count): Call
1811 accessor function for type.
1812 (Incremental_input_entry_reader::get_object_count): Likewise.
1813 (Incremental_input_entry_reader::get_object_offset): Likewise.
1814 (Incremental_input_entry_reader::get_member_count): Likewise.
1815 (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1816 (Incremental_input_entry_reader::get_member_offset): Likewise.
1817 (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1818 (Incremental_input_entry_reader::Global_symbol_info): Remove.
1819 (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1820 (Incremental_input_entry_reader::get_global_symbol_reader): New
1821 function.
1822 (Incremental_input_entry_reader::get_output_symbol_index): New
1823 function.
1824 (Incremental_input_entry_reader::type_): Remove.
1825 (Incremental_input_entry_reader::flags_): New data member.
1826 (Incremental_inputs_reader::input_file_offset): New function.
1827 (Incremental_inputs_reader::input_file_index): New function.
1828 (Incremental_inputs_reader::input_file): Call input_file_offset.
1829 (Incremental_inputs_reader::input_file_at_offset): New function.
1830 (Incremental_relocs_reader::get_r_type): Reformat.
1831 (Incremental_relocs_reader::get_r_shndx): Reformat.
1832 (Incremental_relocs_reader::get_r_offset): Reformat.
1833 (Incremental_relocs_reader::data): New function.
1834 (Incremental_binary::Incremental_binary): Initialize new data members.
1835 (Incremental_binary::check_inputs): Add cmdline parameter.
1836 (Incremental_binary::file_is_unchanged): Remove.
1837 (Input_reader::arg_serial): New function.
1838 (Input_reader::get_unused_symbol_count): New function.
1839 (Input_reader::get_unused_symbol): New function.
1840 (Input_reader::do_arg_serial): New function.
1841 (Input_reader::do_get_unused_symbol_count): New function.
1842 (Input_reader::do_get_unused_symbol): New function.
1843 (Incremental_binary::input_file_count): New function.
1844 (Incremental_binary::get_input_reader): Change signature to use
1845 index instead of filename.
1846 (Incremental_binary::file_has_changed): New function.
1847 (Incremental_binary::get_input_argument): New function.
1848 (Incremental_binary::get_library): New function.
1849 (Incremental_binary::get_script_info): New function.
1850 (Incremental_binary::init_layout): New function.
1851 (Incremental_binary::reserve_layout): New function.
1852 (Incremental_binary::output_file): New function.
1853 (Incremental_binary::do_check_inputs): New function.
1854 (Incremental_binary::do_file_is_unchanged): Remove.
1855 (Incremental_binary::do_file_has_changed): New function.
1856 (Incremental_binary::do_init_layout): New function.
1857 (Incremental_binary::do_reserve_layout): New function.
1858 (Incremental_binary::do_input_file_count): New function.
1859 (Incremental_binary::do_get_input_reader): Change signature.
1860 (Incremental_binary::input_args_map_): New data member.
1861 (Incremental_binary::library_map_): New data member.
1862 (Incremental_binary::script_map_): New data member.
1863 (Sized_incremental_binary::Sized_incremental_binary): Initialize
1864 new data members.
1865 (Sized_incremental_binary::output_section): New function.
1866 (Sized_incremental_binary::inputs_reader): Add const.
1867 (Sized_incremental_binary::symtab_reader): Add const.
1868 (Sized_incremental_binary::relocs_reader): Add const.
1869 (Sized_incremental_binary::got_plt_reader): Add const.
1870 (Sized_incremental_binary::get_symtab_view): New function.
1871 (Sized_incremental_binary::Inputs_reader): New typedef.
1872 (Sized_incremental_binary::Input_entry_reader): New typedef.
1873 (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1874 (Sized_incremental_binary::do_file_is_unchanged): Remove.
1875 (Sized_incremental_binary::do_file_has_changed): New function.
1876 (Sized_incremental_binary::do_init_layout): New function.
1877 (Sized_incremental_binary::do_reserve_layout): New function.
1878 (Sized_input_reader::Inputs_reader): Remove.
1879 (Sized_input_reader::Input_entry_reader): Remove.
1880 (Sized_input_reader::do_arg_serial): New function.
1881 (Sized_input_reader::do_get_unused_symbol_count): New function.
1882 (Sized_input_reader::do_get_unused_symbol): New function.
1883 (Sized_incremental_binary::do_input_file_count): New function.
1884 (Sized_incremental_binary::do_get_input_reader): Change signature;
1885 use index instead of filename.
1886 (Sized_incremental_binary::section_map_): New data member.
1887 (Sized_incremental_binary::input_entry_readers_): New data member.
1888 (class Sized_incr_relobj): New class.
1889 (class Sized_incr_dynobj): New class.
1890 (make_sized_incremental_object): New function.
1891 (class Incremental_library): New class.
1892 * layout.cc (Free_list::num_lists): New static data member.
1893 (Free_list::num_nodes): New static data member.
1894 (Free_list::num_removes): New static data member.
1895 (Free_list::num_remove_visits): New static data member.
1896 (Free_list::num_allocates): New static data member.
1897 (Free_list::num_allocate_visits): New static data member.
1898 (Free_list::init): New function.
1899 (Free_list::remove): New function.
1900 (Free_list::allocate): New function.
1901 (Free_list::dump): New function.
1902 (Free_list::print_stats): New function.
1903 (Layout_task_runner::run): Resize output file for incremental updates.
1904 (Layout::Layout): Initialize new data members.
1905 (Layout::set_incremental_base): New function.
1906 (Layout::init_fixed_output_section): New function.
1907 (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1908 incremental updates.
1909 (Layout::create_gold_note): Do not create gold note section for
1910 incremental updates.
1911 (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1912 for incremental updates.
1913 (Layout::set_section_offsets): For incremental updates, allocate space
1914 from free list.
1915 (Layout::create_symtab_sections): Layout with offsets relative to
1916 start of section; for incremental updates, allocate space from free
1917 list.
1918 (Layout::create_shdrs): For incremental updates, allocate space from
1919 free list.
1920 (Layout::finish_dynamic_section): For incremental updates, do not
1921 check --as-needed (fixed in subsequent patch).
1922 * layout.h (class Free_list): New class.
1923 (Layout::set_incremental_base): New function.
1924 (Layout::incremental_base): New function.
1925 (Layout::init_fixed_output_section): New function.
1926 (Layout::allocate): New function.
1927 (Layout::incremental_base_): New data member.
1928 (Layout::free_list_): New data member.
1929 * main.cc (main): Print Free_list statistics.
1930 * object.cc (Relobj::finalize_incremental_relocs): Add
1931 clear_counts parameter; clear counts only when clear_counts is set.
1932 (Sized_relobj::Sized_relobj): Initialize new base class.
1933 (Sized_relobj::do_layout): Don't report special sections.
1934 (Sized_relobj::do_for_all_local_got_entries): New function.
1935 (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1936 symtab_off to all symbol table offsets.
1937 (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1938 * object.h (class Got_offset_list): Move to top of file.
1939 (Object::Object): Allow case where input_file == NULL.
1940 (Object::~Object): Likewise.
1941 (Object::input_file): Assert that input_file != NULL.
1942 (Object::lock): Allow case where input_file == NULL.
1943 (Object::unlock): Likewise.
1944 (Object::is_locked): Likewise.
1945 (Object::token): Likewise.
1946 (Object::release): Likewise.
1947 (Object::is_incremental): New function.
1948 (Object::get_mtime): New function.
1949 (Object::for_all_local_got_entries): New function.
1950 (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1951 (Object::set_is_in_system_directory): New function.
1952 (Object::is_in_system_directory): New function.
1953 (Object::do_is_incremental): New function.
1954 (Object::do_get_mtime): New function.
1955 (Object::do_for_all_local_got_entries): New function.
1956 (Object::is_in_system_directory_): New data member.
1957 (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1958 (class Sized_relobj_base): New class.
1959 (class Sized_relobj): Derive from Sized_relobj_base.
1960 (class Sized_relobj::Symbols): Redeclare from base class.
1961 (class Sized_relobj::local_got_offset_list): Remove.
1962 (class Sized_relobj::Output_sections): Redeclare from base class.
1963 (class Sized_relobj::do_for_all_local_got_entries): New function.
1964 (class Sized_relobj::write_local_symbols): Add offset parameter.
1965 (class Sized_relobj::local_symbol_offset_): Update comment.
1966 (class Sized_relobj::local_dynsym_offset_): Update comment.
1967 * options.cc (Input_arguments::add_file): Remove const.
1968 * options.h (Input_file_argument::Input_file_argument):
1969 Initialize arg_serial_ (all constructors).
1970 (Input_file_argument::set_arg_serial): New function.
1971 (Input_file_argument::arg_serial): New function.
1972 (Input_file_argument::arg_serial_): New data member.
1973 (Input_arguments::Input_arguments): Initialize file_count_.
1974 (Input_arguments::add_file): Remove const.
1975 (Input_arguments::number_of_input_files): New function.
1976 (Input_arguments::file_count_): New data member.
1977 (Command_line::number_of_input_files): Call
1978 Input_arguments::number_of_input_files.
1979 * output.cc (Output_segment_headers::Output_segment_headers):
1980 Set current size.
1981 (Output_section::Input_section::current_data_size): New function.
1982 (Output_section::Output_section): Initialize new data members.
1983 (Output_section::add_input_section): Don't do merge sections for
1984 an incremental link; allocate space from free list for an
1985 incremental update.
1986 (Output_section::add_output_section_data): Allocate space from
1987 free list for an incremental update.
1988 (Output_section::update_data_size): New function.
1989 (Output_section::set_fixed_layout): New function.
1990 (Output_section::reserve): New function.
1991 (Output_segment::set_section_addresses): Remove const.
1992 (Output_segment::set_section_list_addresses): Remove const; allocate
1993 space from free list for an incremental update.
1994 (Output_segment::set_offset): Adjust size of RELRO segment for an
1995 incremental update.
1996 * output.h (Output_data::current_data_size): Move here from
1997 child classes.
1998 (Output_data::pre_finalize_data_size): New function.
1999 (Output_data::update_data_size): New function.
2000 (Output_section_headers::update_data_size): new function.
2001 (Output_section_data_build::current_data_size): Move to Output_data.
2002 (Output_data_strtab::update_data_size): New function.
2003 (Output_section::current_data_size): Move to Output_data.
2004 (Output_section::set_fixed_layout): New function.
2005 (Output_section::has_fixed_layout): New function.
2006 (Output_section::reserve): New function.
2007 (Output_section::update_data_size): New function.
2008 (Output_section::has_fixed_layout_): New data member.
2009 (Output_section::free_list_): New data member.
2010 (Output_segment::set_section_addresses): Remove const.
2011 (Output_segment::set_section_list_addresses): Remove const.
2012 * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
2013 New function.
2014 * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
2015 New function.
2016 * readsyms.cc (Read_symbols::do_read_symbols): Add library
2017 parameter when calling Add_symbols constructor; store argument
2018 serial number for members of a lib group.
2019 (Add_symbols::locks): Allow case where token == NULL.
2020 (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
2021 (Read_member::~Read_member): New function.
2022 (Read_member::is_runnable): New function.
2023 (Read_member::locks): New function.
2024 (Read_member::run): New function.
2025 (Check_script::~Check_script): New function.
2026 (Check_script::is_runnable): New function.
2027 (Check_script::locks): New function.
2028 (Check_script::run): New function.
2029 (Check_library::~Check_library): New function.
2030 (Check_library::is_runnable): New function.
2031 (Check_library::locks): New function.
2032 (Check_library::run): New function.
2033 * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
2034 (Add_symbols::library_): New data member.
2035 (class Read_member): New class.
2036 (class Check_script): New class.
2037 (class Check_library): New class.
2038 * reloc.cc (Read_relocs::is_runnable): Allow case where
2039 token == NULL.
2040 (Read_relocs::locks): Likewise.
2041 (Scan_relocs::locks): Likewise.
2042 (Relocate_task::locks): Likewise.
2043 (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
2044 to clear counters.
2045 (Sized_relobj::incremental_relocs_scan): Fix comment.
2046 (Sized_relobj::do_relocate): Pass output file offset to
2047 write_local_symbols.
2048 (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
2049 from class declaration.
2050 * script.cc (read_input_script): Allocate Script_info; pass
2051 argument serial number to report_script.
2052 * script.h (class Script_info): Move to incremental.h.
2053 * symtab.cc (Symbol_table::add_from_incrobj): New function.
2054 * symtab.h (Symbol_table::add_from_incrobj): New function.
2055 (Symbol_table::set_file_offset): New function.
2056
b961d0d7
CC		 20572011-04-05 Cary Coutant <ccoutant@google.com>
2058
2059 * incremental-dump.cc (dump_incremental_inputs): Change signature
2060 to take a Sized_incremental_binary; change caller. Use readers
2061 in Sized_incremental_binary.
2062 * incremental.cc
2063 (Sized_incremental_binary::find_incremental_inputs_sections):
2064 Rename do_find_incremental_inputs_sections to this.
2065 (Sized_incremental_binary::setup_readers): New function.
2066 (Sized_incremental_binary::do_check_inputs): Check
2067 has_incremental_info_ flag; move setup code to setup_readers;
2068 use input readers.
2069 (Sized_incremental_binary::do_file_is_unchanged): New function.
2070 (Sized_incremental_binary::do_get_input_reader): New function.
2071 * incremental.h (class Incremental_binary): Move to end of file.
2072 (Incremental_binary::file_is_unchanged): New function.
2073 (Incremental_binary::do_file_is_unchanged): New function.
2074 (Incremental_binary::Input_reader): New class.
2075 (Incremental_binary::get_input_reader): New function.
2076 (class Sized_incremental_binary): Move to end of file.
2077 (Sized_incremental_binary::Sized_incremental_binary): Setup the
2078 input section reader classes.
2079 (Sized_incremental_binary::has_incremental_info): New function.
2080 (Sized_incremental_binary::inputs_reader): New function.
2081 (Sized_incremental_binary::symtab_reader): New function.
2082 (Sized_incremental_binary::relocs_reader): New function.
2083 (Sized_incremental_binary::got_plt_reader): New function.
2084 (Sized_incremental_binary::do_file_is_unchanged): New function.
2085 (Sized_incremental_binary::Sized_input_reader): New class.
2086 (Sized_incremental_binary::get_input_reader): New function.
2087 (Sized_incremental_binary::find_incremental_inputs_sections):
2088 Rename do_find_incremental_inputs_sections to this.
2089 (Sized_incremental_binary::setup_readers): New function.
2090 (Sized_incremental_binary::has_incremental_info_): New data member.
2091 (Sized_incremental_binary::inputs_reader_): New data member.
2092 (Sized_incremental_binary::symtab_reader_): New data member.
2093 (Sized_incremental_binary::relocs_reader_): New data member.
2094 (Sized_incremental_binary::got_plt_reader_): New data member.
2095 (Sized_incremental_binary::current_input_file_): New data member.
2096
a869183f
PP		 20972011-04-05 Paul Pluzhnikov <ppluzhnikov@google.com>
2098
2099 PR gold/12640
2100 * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
2101 violation.
2102
21032011-03-30 Cary Coutant <ccoutant@google.com>
c7975edd
CC		 2104
2105 * archive.cc (Archive::include_member): Adjust call to report_object.
2106 (Add_archive_symbols::run): Add script_info to call to
2107 report_archive_begin.
2108 (Lib_group::include_member): Adjust call to report_object.
2109 (Add_lib_group_symbols::run): Adjust call to report_object.
2110 * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
2111 blocks. Add object count for script input files.
2112 * incremental.cc (Incremental_inputs::report_archive_begin): Add
2113 script_info parameter; change all callers.
2114 (Incremental_inputs::report_object): Add script_info parameter;
2115 change all callers.
2116 (Incremental_inputs::report_script): Store backpointer to
2117 incremental info entry.
2118 (Output_section_incremental_inputs::set_final_data_size): Record
2119 additional information for scripts.
2120 (Output_section_incremental_inputs::write_info_blocks): Likewise.
2121 * incremental.h (Incremental_script_entry::add_object): New function.
2122 (Incremental_script_entry::get_object_count): New function.
2123 (Incremental_script_entry::get_object): New function.
2124 (Incremental_script_entry::objects_): New data member; adjust
2125 constructor.
2126 (Incremental_inputs::report_archive_begin): Add script_info parameter.
2127 (Incremental_inputs::report_object): Add script_info parameter.
2128 (Incremental_inputs_reader::get_object_count): New function.
2129 (Incremental_inputs_reader::get_object_offset): New function.
2130 * options.cc (Input_arguments::add_file): Return reference to
2131 new input argument.
2132 * options.h (Input_argument::set_script_info): New function.
2133 (Input_argument::script_info): New function.
2134 (Input_argument::script_info_): New data member; adjust all
2135 constructors.
2136 (Input_file_group::add_file): Return reference to new input argument.
2137 (Input_file_lib::add_file): Likewise.
2138 (Input_arguments::add_file): Likewise.
2139 * readsyms.cc (Add_symbols::run): Adjust call to report_object.
2140 * script.cc (Parser_closure::Parser_closure): Add script_info
2141 parameter; adjust all callers.
2142 (Parser_closure::script_info): New function.
2143 (Parser_closure::script_info_): New data member.
2144 (read_input_script): Report scripts earlier to incremental info.
2145 (script_add_file): Set script_info in Input_argument.
2146 (script_add_library): Likewise.
2147 * script.h (Script_options::Script_info): Rewrite class.
2148
a869183f 21492011-03-29 Cary Coutant <ccoutant@google.com>
e0c52780
CC		 2150
2151 * archive.cc (Library_base::should_include_member): Move
2152 method here from class Archive.
2153 (Archive::Archive): Initialize base class.
2154 (Archive::should_include_member): Move to base class.
2155 (Archive::do_for_all_unused_symbols): New function.
2156 (Add_archive_symbols::run): Remove redundant access to
2157 incremental_inputs.
2158 (Lib_group::Lib_group): Initialize base class.
2159 (Lib_group::do_filename): New function.
2160 (Lib_group::include_member): Pass pointer to Lib_group to
2161 report_object.
2162 (Lib_group::do_for_all_unused_symbols): New function.
2163 (Add_lib_group_symbols::run): Report archive information for
2164 incremental links.
2165 * archive.h (class Library_base): New base class.
2166 (class Archive): Derive from Library_base.
2167 (Archive::filename): Move to base class.
2168 (Archive::set_incremental_info): Likewise.
2169 (Archive::incremental_info): Likewise.
2170 (Archive::Should_include): Likewise.
2171 (Archive::should_include_member): Likewise.
2172 (Archive::Armap_entry): Remove.
2173 (Archive::Unused_symbol_iterator): Remove.
2174 (Archive::unused_symbols_begin): Remove.
2175 (Archive::unused_symbols_end): Remove.
2176 (Archive::do_filename): New function.
2177 (Archive::do_get_mtime): New function.
2178 (Archive::do_for_all_unused_symbols): New function.
2179 (Archive::task_): Move to base class.
2180 (Archive::incremental_info_): Likewise.
2181 (class Lib_group): Derive from Library_base.
2182 (Lib_group::do_filename): New function.
2183 (Lib_group::do_get_mtime): New function.
2184 (Lib_group::do_for_all_unused_symbols): New function.
2185 (Lib_group::task_): Move to base class.
2186 * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
2187 function.
2188 * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
2189 function.
2190 * incremental.cc (Incremental_inputs::report_archive_begin):
2191 Use Library_base; call library's get_mtime; add incremental inputs
2192 entry before members.
2193 (class Unused_symbol_visitor): New class.
2194 (Incremental_inputs::report_archive_end): Use Library_base; use
2195 visitor class to record unused symbols; don't add incremental inputs
2196 entry after members.
2197 (Incremental_inputs::report_object): Use Library_base.
2198 * incremental.h
2199 (Incremental_archive_entry::Incremental_archive_entry): Remove
2200 unused Archive parameter.
2201 (Incremental_inputs::report_archive_begin): Use Library_base.
2202 (Incremental_inputs::report_archive_end): Likewise.
2203 (Incremental_inputs::report_object): Likewise.
2204 * object.cc (Sized_relobj::do_for_all_global_symbols): New
2205 function.
2206 * object.h (Object::for_all_global_symbols): New function.
2207 (Object::do_for_all_global_symbols): New function.
2208 (Sized_relobj::do_for_all_global_symbols): New function.
2209 * plugin.cc (Sized_pluginobj::do_for_all_global_symbols): New
2210 function.
2211 * plugin.h (Sized_pluginobj::do_for_all_global_symbols): New
2212 function.
2213
61ab3e40
ILT		 22142011-03-27 Ian Lance Taylor <iant@google.com>
2215
2216 * archive.cc (Archive::interpret_header): Return -1 if something
2217 goes wrong. Change callers accordingly.
2218
30e1f9e6
CC		 22192011-03-25 Cary Coutant <ccoutant@google.com>
2220
2221 * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
2222 * testsuite/Makefile.in: Regenerate.
2223
9370ce59 22242011-03-23 Rafael Ávila de Espíndola <respindola@mozilla.com>
9c793f14
RÁE		 2225
2226 * plugin.cc (get_view): New.
2227 (Plugin::load): Pass get_view to the plugin.
2228 (Plugin_manager::get_view): New.
2229
9312bb0a
ILT		 22302011-03-21 Ian Lance Taylor <iant@google.com>
2231
2232 * testsuite/final_layout.sh: Rewrite to not use dc.
07aead7b 2233 * testsuite/relro_test.sh: Fail if dc is not present.
9312bb0a 2234
7e12ba9e
ST		 22352011-03-21 Sriraman Tallam <tmsriram@google.com>
2236
2237 * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
2238 Change == to -eq.
2239 * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
2240 * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
2241 Change == to -eq.
2242 * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
2243 * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
2244
fd7a005d
ILT		 22452011-03-14 Ian Lance Taylor <iant@google.com>
2246
2247 * script-sections.cc (Sort_output_sections::script_compare):
2248 Rename from is_before, change return type.
2249 (Sort_output_sections::operator()): Adjust accordingly.
2250
ed16fd1b
ILT		 22512011-03-11 Jeffrey Yasskin <jyasskin@google.com>
2252
2253 PR gold/12572
2254 * testsuite/odr_violation2.cc: Add comment to make all error line
2255 numbers double digits.
2256 * testsuite/debug_msg.sh: Adjust expected errors.
2257
71ff8986
ILT		 22582011-03-09 Jeffrey Yasskin <jyasskin@google.com>
2259
2260 * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
2261 but mark earlier ones as non-canonical
2262 (offset_to_iterator): Update search target and example
2263 (do_addr2line): Return extra lines in a vector*
2264 (format_file_lineno): Extract from do_addr2line
2265 (one_addr2line): Add vector* out-param
2266 * dwarf_reader.h (Offset_to_lineno_entry): New field recording
2267 when a lineno entry appeared last for its instruction
2268 (Dwarf_line_info): Add vector* out-param
2269 * object.cc (Relocate_info): Pass NULL for the vector* out-param
2270 * symtab.cc (Odr_violation_compare): Include the lineno in the
2271 comparison again.
2272 (linenos_from_loc): New. Combine the canonical line for an
2273 address with its other lines.
2274 (True_if_intersect): New. Helper functor to make
2275 std::set_intersection a query.
2276 (detect_odr_violations): Compare sets of lines instead of just
2277 one line for each function. This became less deterministic, but
2278 has fewer false positives.
2279 * symtab.h: Declarations.
2280 * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
2281 mix an optimized and non-optimized object in the same binary
2282 (odr_violation2.so): Same.
2283 * testsuite/Makefile.in: Regenerate from Makefile.am.
2284 * testsuite/debug_msg.cc (main): Make OdrDerived classes.
2285 * testsuite/debug_msg.sh: Update line numbers and add
2286 assertions.
2287 * testsuite/odr_violation1.cc: Use OdrDerived, in a
2288 non-optimized context.
2289 * testsuite/odr_violation2.cc: Make sure Ordering::operator()
2290 isn't inlined, and use OdrDerived in an optimized context.
2291 * testsuite/odr_header1.h: Defines OdrDerived, where
2292 optimization will change the
2293 first-instruction-in-the-destructor's file and line number.
2294 * testsuite/odr_header2.h: Defines OdrBase.
2295
a19fefdc
ILT		 22962011-03-09 Ian Lance Taylor <iant@google.com>
2297
2298 * fileread.cc (File_read::clear_views): Don't delete the whole
2299 file view.
2300
ecb351e9
ILT		 23012011-03-08 Ian Lance Taylor <iant@google.com>
2302
2303 PR gold/12525
2304 * fileread.cc: #include <climits>.
2305 (GOLD_IOV_MAX): Define.
2306 (File_read::read_multiple): Limit number of entries by iov_max.
2307 * fileread.h (class File_read): Always set max_readv_entries to
2308 128.
2309
b821d13c
ILT		 23102011-03-07 Ian Lance Taylor <iant@google.com>
2311
2312 PR gold/12525
2313 * options.h (class General_options): Add -dy and -dn.
2314
89243142
CC		 23152011-03-02 Cary Coutant <ccoutant@google.com>
2316
2317 * testsuite/script_test_9.t: Add TLS segment.
2318
d0773f31
ILT		 23192011-03-02 Simon Baldwin <simonb@google.com>
2320
2321 * configure.ac: Add check for gnu_indirect_function support in
2322 the toolchain building binutils.
2323 * configure: Rebuild.
2324
9370ce59 23252011-02-18 Rafael Ávila de Espíndola <respindola@mozilla.com>
badc8139
RÁE		 2326
2327 * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
2328 plugin only symbols.
2329 (Symbol_table::sized_finalize_symbol) Mark symbol only present
2330 in plugin files as not needed in the symbol table.
2331
4cf7a849
ST		 23322011-02-11 Sriraman Tallam <tmsriram@google.com>
2333
2334 * output.cc (Output_section::add_input_section): Delay fill
2335 generation for section ordering.
2336
b578bd7d
ILT		 23372011-02-09 Ian Lance Taylor <iant@google.com>
2338
2339 PR gold/12316
2340 * object.h (class Sized_relobj): Remove clear_local_symbols.
2341 * reloc.cc (Sized_relobj::do_relocate): Don't call
2342 clear_local_symbols.
2343
9370ce59 23442011-02-08 Rafael Ávila de Espíndola <respindola@mozilla.com>
84ced98a
RÁE		 2345
2346 * plugin.cc (is_visible_from_outside): Return true for symbols
2347 in the -u option.
2348
55382fb7
ILT		 23492011-02-04 Jeffrey Yasskin <jyasskin@google.com>
2350
2351 * symtab.cc (Odr_violation_compare::operator()): Sort by just the
2352 filename.
2353
4e271fff
ST		 23542011-02-02 Sriraman Tallam <tmsriram@google.com>
2355
2356 * icf.h (is_section_foldable_candidate): Change type of parameter
2357 to std::string.
2358 * icf.cc (Icf::find_identical_sections): Change type of local variable
2359 section_name to be std::string.
2360 (is_function_ctor_or_dtor): Change type of parameter to std::string.
2361
d433c3ac
ILT		 23622011-01-25 Ian Lance Taylor <iant@google.com>
2363
2364 * script.cc (script_add_extern): Rewrite to use
2365 add_symbol_reference.
2366
880473a6
DK		 23672011-01-25 Doug Kwan <dougkwan@google.com>
2368
d433c3ac 2369 * icf.cc (get_section_contents): Always lock section's object.
880473a6 2370
f30f86fa
ILT		 23712011-01-24 Ian Lance Taylor <iant@google.com>
2372
2373 * options.h (class General_options): Accept
2374 --no-detect-odr-violations.
2375
8e51a0b9
ILT		 23762011-01-24 Ian Lance Taylor <iant@google.com>
2377
2378 * version.cc (version_string): Bump to 1.11.
2379
0f3b89d8
ILT		 23802011-01-24 Ian Lance Taylor <iant@google.com>
2381
2382 * plugin.cc (class Plugin_rescan): Define new class.
2383 (Plugin_manager::claim_file): Set any_claimed_.
2384 (Plugin_manager::save_archive): New function.
2385 (Plugin_manager::save_input_group): New function.
2386 (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
2387 necessary.
2388 (Plugin_manager::new_undefined_symbol): New function.
2389 (Plugin_manager::rescan): New function.
2390 (Plugin_manager::rescannable_defines): New function.
2391 (Plugin_manager::add_input_file): Set any_added_.
2392 * plugin.h (class Plugin_manager): define new fields rescannable_,
2393 undefined_symbols_, any_claimed_, and any_added_. Declare
2394 Plugin_rescan as friend. Declare new functions.
2395 (Plugin_manager::Rescannable): Define type.
2396 (Plugin_manager::Rescannable_list): Define type.
2397 (Plugin_manager::Undefined_symbol_list): Define type.
2398 (Plugin_manager::Plugin_manager): Initialize new fields.
2399 * archive.cc (Archive::defines_symbol): New function.
2400 (Add_archive_symbols::run): Pass archive to plugins if any.
2401 * archive.h (class Archive): Declare defines_symbol.
2402 * readsyms.cc (Input_group::~Input_group): New function.
2403 (Finish_group::run): Pass input_group to plugins if any.
2404 * readsyms.h (class Input_group): Declare destructor.
2405 * symtab.cc (add_from_object): Pass undefined symbol to plugins if
2406 any.
2407
3bb951e5
ILT		 24082011-01-10 Ian Lance Taylor <iant@google.com>
2409
2410 * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
2411 section as relro.
2412 (Layout::set_segment_offsets): Reset increase_relro before calling
2413 set_section_addresses a second time.
2414
0aa45fac
CC		 24152011-01-04 Cary Coutant <ccoutant@google.com>
2416
2417 * script-sections.cc (Sort_output_sections::operator()): Sort TLS
2418 sections before NOBITS sections.
2419
0db46eb4
L		 24202011-01-01 H.J. Lu <hongjiu.lu@intel.com>
2421
2422 * version.cc (print_version): Update copyright to 2011.
2423
829c9745
CC		 24242010-12-23 Cary Coutant <ccoutant@google.com>
2425
2426 * output.h (Output_data_reloc::add_output_section): Pass OD instead
2427 of OS to this->add. Add OD parameter to second form of the function.
2428
7500420b
ILT		 24292010-12-20 Ian Lance Taylor <iant@google.com>
2430
2431 * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
2432 second of two consecutive entries with same offset.
2433
f8e9a930
RW		 24342010-12-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2435
2436 * testsuite/Makefile.am (ifuncmain2static_LDADD)
2437 (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
2438 (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
2439 to avoid unneeded links against $(LDADD).
2440 * testsuite/Makefile.in: Regenerate.
2441
2fbb4320
ILT		 24422010-12-15 Ian Lance Taylor <iant@google.com>
2443
2444 PR gold/12324
2445 * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
2446 for R_X86_64_32 and R_X86_64_PC32.
2447 * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
2448 ver_matching_def_pic.o.
2449 (ver_matching_def_pic.o): New target.
2450
fedb228d
RW		 24512010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2452
2453 * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2454 (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2455 Move definition before File_read::View member definitions.
2456 (File_read::View::~View): Initialize and hold lock before
2457 updating current_mapped_bytes.
2458
9b547ce6
RW		 24592010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2460
2461 * dwarf_reader.cc: Remove outdated comment.
2462 * gold-threads.cc: Fix typo in error message.
2463 * archive.cc: Fix typos in comments.
2464 * archive.h: Likewise.
2465 * arm-reloc-property.cc: Likewise.
2466 * arm-reloc-property.h: Likewise.
2467 * arm-reloc.def: Likewise.
2468 * arm.cc: Likewise.
2469 * attributes.h: Likewise.
2470 * cref.cc: Likewise.
2471 * ehframe.cc: Likewise.
2472 * fileread.h: Likewise.
2473 * gold.h: Likewise.
2474 * i386.cc: Likewise.
2475 * icf.cc: Likewise.
2476 * incremental.h: Likewise.
2477 * int_encoding.cc: Likewise.
2478 * layout.h: Likewise.
2479 * main.cc: Likewise.
2480 * merge.h: Likewise.
2481 * object.cc: Likewise.
2482 * object.h: Likewise.
2483 * options.cc: Likewise.
2484 * readsyms.cc: Likewise.
2485 * reduced_debug_output.cc: Likewise.
2486 * reloc.cc: Likewise.
2487 * script-sections.cc: Likewise.
2488 * sparc.cc: Likewise.
2489 * symtab.h: Likewise.
2490 * target-reloc.h: Likewise.
2491 * target.cc: Likewise.
2492 * target.h: Likewise.
2493 * timer.cc: Likewise.
2494 * timer.h: Likewise.
2495 * x86_64.cc: Likewise.
2496
83e17bd5
CC		 24972010-12-09 Cary Coutant <ccoutant@google.com>
2498
2499 * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2500 stack.
2501 * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2502 parameter; change all callers.
2503 * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2504 * options.h (warn_execstack): New option.
2505
017257f8
DK		 25062010-12-07 Doug Kwan <dougkwan@google.com>
2507
2508 * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2509 like function call relocations.
2510
c20cbc06
ILT		 25112010-12-07 Ian Lance Taylor <iant@google.com>
2512
2513 * archive.cc (Archive::get_elf_object_for_member): Permit
2514 punconfigured to be NULL.
2515 (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2516 (Archive::include_member): Pass NULL to get_elf_object_for_member
2517 if we searched for the archive and this is the first included
2518 object.
2519
4dbfafcc
ILT		 25202010-12-01 Ian Lance Taylor <iant@google.com>
2521
2522 * dwarf_reader.h (class Sized_dwarf_line_info): Add
2523 track_relocs_type_ field.
2524 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2525 Set track_relocs_type_.
2526 (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2527 contents when using RELA relocs.
2528 (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2529 reloc_map_.
2530 * reloc.cc (Track_relocs::next_addend): New function.
2531 * reloc.h (class Track_relocs): Declare next_addend.
2532
e5e19edd
ILT		 25332010-12-01 Ian Lance Taylor <iant@google.com>
2534
2535 * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2536 virtual destructor.
2537
9a5ce24c
ILT		 25382010-12-01 Ian Lance Taylor <iant@google.com>
2539
2540 * README: Update compilers known to work and fail.
2541
c7791212
NC		 25422010-11-23 Matthias Klose <doko@ubuntu.com>
2543
2544 * configure.in: For --enable-gold, handle value `default' instead of
2545 `both*'. Always install ld as ld.bfd, install as ld if gold is
2546 not the default.
2547 * configure: Regenerate.
2548
0ad220c9
DK		 25492010-11-18 Doug Kwan <dougkwan@google.com>
2550
2551 * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2552 and right_alignment to be zero. Store result alignment only if it is
2553 greater than existing alignment.
2554
ab8056e0
CC		 25552010-11-16 Cary Coutant <ccoutant@google.com>
2556
2557 PR gold/12220
2558 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2559 Check for ".zdebug_line".
2560
fd064a5b
CC		 25612010-11-16 Doug Kwan <dougkwan@google.com>
2562 Cary Coutant <ccoutant@google.com>
2563
2564 * output.h (Output_segment::set_section_addresses): Pass increase_relro
2565 by reference; adjust all callers.
2566 * output.cc (Output_segment::set_section_addresses): Adjust references
2567 to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2568 list is empty.
2569 (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2570 end at page boundary.
2571
6fc6ea19
CC		 25722010-11-16 Cary Coutant <ccoutant@google.com>
2573
2574 PR gold/12220
2575 * layout.cc (Layout::choose_output_section): Transform names of
2576 compressed sections even when using a script with a SECTIONS clause.
2577 (Layout::output_section_name): Remove code to transform
2578 compressed debug section names.
2579 * output.cc (Output_section::add_input_section): Use uncompressed
2580 section size when tracking input sections.
2581
95a2c8d6
RS		 25822010-11-11 Richard Sandiford <richard.sandiford@linaro.org>
2583
2584 * symtab.h (Symbol::NON_PIC_REF): Remove.
2585 (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2586 (Symbol::FUNCTION_CALL): Renumber. Reword comment.
2587 (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2588 (Symbol::use_plt_offset): Take a flags argument and pass it
2589 directly to needs_dynamic_reloc. Restrict check for undefined
2590 weak symbols to function calls.
2591 * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2592 (Target_arm::Scan::global): Use it.
2593 (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2594 (Target_arm::Relocate::relocate): Likewise.
2595 (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2596 parameter with an r_type parameter. Use get_reference_flags
2597 to get the flags.
2598 (Target_arm::Relocate::relocate): Update accordingly.
2599 * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2600 (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2601 (Target_i386::Scan::global): Likewise.
2602 (Target_i386::Relocate::relocate): Likewise.
2603 (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2604 parameter with an r_type parameter. Use get_reference_flags
2605 to get the flags.
2606 (Target_i386::Relocate::relocate): Update accordingly.
2607 * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2608 (Target_powerpc::Scan::global): Use it.
2609 (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2610 (Target_powerpc::Relocate::relocate): Likewise.
2611 * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2612 (Target_sparc::Scan::global): Use it.
2613 (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2614 (Target_sparc::Relocate::relocate): Likewise.
2615 * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2616 (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2617 (Target_x86_64::Scan::global): Likewise.
2618 (Target_x86_64::Relocate::relocate): Likewise.
2619
f625ae50
DK		 26202010-11-08 Doug Kwan <dougkwan@google.com>
2621 Cary Coutant <ccoutant@google.com>
2622
2623 * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2624 (Arm_exidx_merge_section::section_contents_): New data member.
2625 (Arm_input_section::Arm_input_section): Initialize original_contents_.
2626 (Arm_input_section::~Arm_input_section): De-allocate memory.
2627 (Arm_input_section::original_contents_): New data member.
2628 (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2629 in parameters instead of calling Object::section_contents without
2630 locking.
2631 (Arm_output_section::group_section): New parameter TASK. Pass it
2632 to callees that need locking objects.
2633 (Arm_output_section::fix_exidx_coverage): New parameter TASK. Use it
2634 to lock EXIDX input sections. Fix a formatting issue. Call
2635 Arm_exidx_merged_section::build_contents to create merged section
2636 contents.
2637 (Arm_output_section::create_stub_group): New parameter TASK. Use it
2638 to lock object of stub table owner.
2639 (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2640 TEXT_SIZE to initialize data member TEXT_SIZE_.
2641 (Arm_exidx_input_section::addralign): Fix typo in comment.
2642 (Arm_exidx_input_section::text_size): New method.
2643 (Target_arm::do_relax): New parameter TASK. Pass it to callees
2644 that require locking objects. Lock objects before scanning for stubs
2645 and updating local symbols.
2646 (Arm_input_section<big_endian>::init): Copy contents of original
2647 input section.
2648 (Arm_input_section<big_endian>::do_write): Use saved contents of
2649 original input section instead of calling Object::section_contents
2650 without locking.
2651 (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2652 size without calling Object::section_size().
2653 (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2654 for size. Allocate a buffer for merged EXIDX entries.
2655 (Arm_exidx_merged_section::build_contents): New method.
2656 (Arm_exidx_merged_section::do_write): Move merge section contents
2657 building code to Arm_exidx_merged_section::build_contetns. Write
2658 out contetns in buffer instead of building it on the fly.
2659 (Arm_relobj::make_exidx_input_section): Also pass text section size
2660 to Arm_exidx_input_section constructor.
2661 (Arm_relobj::do_read_symbols): Fix memory leak. Fix a formatting issue.
2662 (Arm_dynobj::do_read_symbols): Fix memory leak.
2663 * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2664 * target.h: (class Task): Add forward declaration.
2665 (Target::relax): Add new parameter TASK and pass it to
2666 Target::do_relax().
2667 (Target::do_relax):: New parameter TASK. Fix a formatting issue.
2668
5f9bcf58
CC		 26692010-11-05 Cary Coutant <ccoutant@google.com>
2670
2671 PR gold/10708
2672 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2673 object when reading from the file.
2674 * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2675 second layout pass.
2676 * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2677 when reading section contents.
2678 (get_section_contents): Likewise.
2679 (icf::find_identical_sections): Likewise.
2680 * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2681 object when reading from the file.
2682 * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2683 the object when doing deferred section layout.
2684
e597fa08
NC		 26852010-11-03 Nick Clifton <nickc@redhat.com>
2686
2687 PR gold/12001
2688 * script.h (class Symbol_assignment: name): New member. Returns
2689 the name of the symbol.
2690 * scrfipt.cc (Script_options::is_pending_assignment): New member.
2691 Returns true if the given symbol name is on the list of
2692 assignments wating to be processed.
2693 * archive.cc (should_incldue_member): If the symbol is undefined,
2694 check to see if it is on the list of symbols pending assignment.
2695
3f9a3278
ILT		 26962010-11-03 Ryan Mansfield <rmansfield@qnx.com>
2697
2698 * script-sections.cc (Script_sections::find_memory_region): Check
2699 for a NULL output section pointer.
2700
d06fb4d1
DK		 27012010-10-29 Doug Kwan <dougkwan@google.com>
2702
2703 * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2704 Output_section::add_relaxed_input_section.
2705 * output.cc (Output_section::add_relaxed_input_section): Add new
2706 arguments LAYOUT and NAME. Set section order index.
2707 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2708 Copy section order index.
2709 * output.h (Output_section::add_relaxed_input_section): Add new
2710 arguments LAYOUT and NAME.
2711
90e24de5
ILT		 27122010-10-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2713
2714 * testsuite/Makefile.am: Move gcctestdir/ld rule to
2715 NATIVE_OR_CROSS_LINKER.
2716 * testsuite/Makefile.in: Regenerate.
2717
c9484ea5
DK		 27182010-10-20 Doug Kwan <dougkwan@google.com>
2719
2720 * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2721 without SHF_LINK_ORDER flags.
2722 * layout.cc (Layout::choose_output_section): Do not filter
2723 SHF_LINK_ORDER flag in a relocatable link.
2724
5bc2f5be
CC		 27252010-10-17 Cary Coutant <ccoutant@google.com>
2726
2727 * output.h (Output_segment::set_section_addresses): Change function
2728 signature. Update all callers.
2729 * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2730 sections.
2731 (Output_segment::set_section_addresses): Align after last TLS
2732 section. Add padding before last relro section instead of after.
2733
0c91cf04
DK		 27342010-10-17 Doug Kwan <dougkwan@google.com>
2735
2736 * gold/arm.cc (Target_arm::got_section): Use correct order and set
2737 GOT output section to be writable.
2738
8c21d9d3
CC		 27392010-10-14 Cary Coutant <ccoutant@google.com>
2740
2741 * debug.h (DEBUG_INCREMENTAL): New flag.
2742 (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2743 * gold.cc (queue_initial_tasks): Check parameters for incremental link
2744 mode.
2745 * incremental.cc (report_command_line): Ignore all forms of
2746 --incremental.
2747 * layout.cc (Layout::Layout): Check parameters for incremental link
2748 mode.
2749 * options.cc (General_options::parse_incremental): New function.
2750 (General_options::parse_no_incremental): New function.
2751 (General_options::parse_incremental_full): New function.
2752 (General_options::parse_incremental_update): New function.
2753 (General_options::incremental_mode_): New data member.
2754 (General_options::finalize): Check incremental_mode_.
2755 * options.h (General_options): Update help text for --incremental.
2756 Add --no-incremental, --incremental-full, --incremental-update.
2757 (General_options::Incremental_mode): New enum type.
2758 (General_options::incremental_mode): New function.
2759 (General_options::incremental_mode_): New data member.
2760 * parameters.cc (Parameters::incremental_mode_): New data member.
2761 (Parameters::set_options): Set incremental_mode_.
2762 (Parameters::set_incremental_full): New function.
2763 (Parameters::incremental): New function.
2764 (Parameters::incremental_update): New function.
2765 (set_parameters_incremental_full): New function.
2766 * parameters.h (Parameters::set_incremental_full): New function.
2767 (Parameters::incremental): New function.
2768 (Parameters::incremental_update): New function.
2769 (Parameters::incremental_mode_): New data member.
2770 (set_parameters_incremental_full): New function.
2771 * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2772 incremental link mode.
2773 * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2774 (Sized_relobj::do_relocate_sections): Likewise.
2775 * testsuite/Makefile.am (incremental_test): Use --incremental-full
2776 option.
2777 * testsuite/Makefile.in: Regenerate.
2778 * testsuite/incremental_test.sh: Filter all forms of --incremental.
2779
bb32aa18 27802010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com>
eb373049
ILT		 2781
2782 * script-sections.h (class Script_sections): Make
2783 Sections_elements typedef public.
2784 * script-sections.cc (class Sort_output_sections): Add elements_
2785 field. Add constructor which sets it; change all callers.
2786 (Sort_output_sections::is_before): New function.
2787 (Sort_output_sections::operator()): Call is_before.
2788 * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2789 conditional.
2790 * testsuite/script_test_10.sh: New test. Test script section
2791 order.
2792 * testsuite/script_test_10.t: Likewise.
2793 * testsuite/script_test_10.s: Likewise.
2794 * testsuite/Makefile.am: Wrap the cross linker tests and the
2795 common tests into NATIVE_OR_CROSS_LINKER.
2796 (check_SCRIPTS): Add script_test_10.sh.
2797 (check_DATA): Add script_test_10.stdout.
2798 (script_test_10.o, script_test_10): New targets.
2799 (script_test_10.stdout): New target.
2800 * configure, testsuite/Makefile.in: Regenerate.
2801
3cef7179
ILT		 28022010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2803
2804 * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2805 error for the deprecated relocations.
2806 (Target_arm::Scan::global): Likewise.
2807 (Target_arm::Relocate::relocate): Likewise.
2808
7411e9a8
RS		 28092010-10-12 Richard Sandiford <richard.sandiford@linaro.org>
2810
2811 * fileread.cc (Input_file::find_file): Initialize *found_name
2812 and *namep when using the fallback search for case 4.
2813
6a9da32a
CC		 28142010-10-11 Cary Coutant <ccoutant@google.com>
2815
2816 * options.h (class General_options): Redefine -z lazy as an alias for
2817 the negation of -z now.
2818
ac897c20
ILT		 28192010-10-11 Ian Lance Taylor <iant@google.com>
2820
2821 * resolve.cc (symbol_to_bits): Report the value of the unsupported
2822 binding.
2823
ea5cae92
NC		 28242010-10-06 Nick Clifton <nickc@redhat.com>
2825
2826 * script-sections.cc(class Memory_region): Remove
2827 current_lma_offset_ field. Rename current_vma_offset_ to
2828 current_offset_. Add last_section_ field.
2829 (Memory_region::get_current_vma_address): Rename to
2830 get_current_address.
2831 (Memory_region::get_current_lma_address): Delete.
2832 (Memory_region::increment_vma_offset): Rename to
2833 increment_offset.
2834 (Memory_region::increment_lma_offset): Delete.
2835 (Memory_region::attributes_compatible): New method. Returns
2836 true if the provided section is compatible with the region.
2837 (Memory_region::get_last_section): New method. Returns the last
2838 section to use the region.
2839 (Memory_region::set_last_section): New method. Stores the last
2840 section to use the region.
2841 (Script_sections::block_in_region): New method. Returns true if
2842 a block of memory is contained within a region.
2843 (Script_sections::find_memory_region): New method. Locates a
2844 memory region to be used to set a VMA or LMA address.
2845 (Output_section_definition::set_section_addresses): Add code to
2846 check for addresses set by memory regions.
2847 (Output_segment::set_section_addresses): Remove memory region
2848 walking code.
2849 (Script_sections::create_segment): Add a warning if a header
2850 segment is created outside of any region.
2851 * script-sections.h (class Script_sections): Add prototypes for
2852 find_memory_region and block_in_region methods.
2853 * testsuite/memory_test.s: Use .long instead of .word.
2854 * testsuite/memory_test.t: Add some more output sections.
2855 * testsuite/memory_test.sh: Update expected output.
2856
a9bfd952
DK		 28572010-10-02 Doug Kwan <dougkwan@google.com>
2858
2859 * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2860 defintion to symtab.h
2861 * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2862 declaration to defintion.
2863
bacff3ab
NC		 28642010-10-01 Nick Clifton <nickc@redhat.com>
2865
2866 * expression.cc (eval): Replace dummy argument with NULL.
2867 (eval_maybe_dot): Check for a NULL result section pointer.
2868 (Symbol_expression::value): Likewise.
2869 (Dot_expression::value): Likewise.
2870 (BINARY_EXPRESSION): Likewise.
2871 (Max_expression::value): Likewise.
2872 (Min_expression::value): Likewise.
2873 (Absolute_expression::value): Likewise.
2874 (Addr_expression::value_from_output_section): Likewise.
2875 (Loaddddr_expression::value_from_output_section): Likewise.
2876 (Segment_start_expression::value): Likewise.
2877 * script-sections.cc
2878 (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2879 argument with NULL.
2880 (Sections_elememt_dot_assignment::set_section_addresses):
2881 Likewise.
2882 (Output_data_expression::do_write_to_buffer): Likewise.
2883 (Output_section_definition::finalize_symbols): Likewise.
2884 (Output_section_definition::set_section_addresses): Likewise.
2885
f81bc8b5
DK		 28862010-09-30 Doug Kwan <dougkwan@google.com>
2887
2888 * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2889
c95e9f27
ST		 28902010-09-28 Sriraman Tallam <tmsriram@google.com>
2891
2892 * target.h (Target::can_icf_inline_merge_sections): New virtual
bacff3ab 2893 function.
c95e9f27
ST		 2894 * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2895 virtual function.
2896 * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2897 virtual function.
2898 * icf.cc (get_section_contents): Inline merge sections only when
2899 target allows it.
2900
3cac54d2
RW		 29012010-09-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2902
2903 * configure: Regenerate.
2904
2904037a
ILT		 29052010-09-17 Ian Lance Taylor <iant@google.com>
2906
2907 * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
d4d91489
ILT		 2908 * testsuite/Makefile.am (memory_test.o): New target.
2909 (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2910 memory_test.t.
2911 * testsuite/Makefile.in: Rebuild.
2904037a 2912
bca7fb63
DK		 29132010-09-17 Doug Kwan <dougkwan@google.com>
2914
2915 * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2916 defintion if relocation uses GOT entries of the symbol.
2917 * testsuite/icf_safe_test.sh: Fix test.
2918 * testsuite/icf_safe_so_test.sh: Fix test.
2919
4ef28648
CC		 29202010-09-16 Cary Coutant <ccoutant@google.com>
2921
2922 * script_sections.cc (class Memory_region): Remove "NULL" from
2923 vector initializations.
2924
793990de
CC		 29252010-09-15 Cary Coutant <ccoutant@google.com>
2926
2927 * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2928 Resolve forwarding symbols.
2929
81e015e2
DK		 29302010-09-15 Doug Kwan <dougkwan@google.com>
2931
2932 * gold/testsuite/script_test_3.t: Add ARM special sections.
2933 * gold/testsuite/script_test_4.t: Same.
2934 * gold/testsuite/script_test_5.t: Same.
2935 * gold/testsuite/script_test_6.t: Same.
2936 * gold/testsuite/script_test_7.t: Same.
2937 * gold/testsuite/script_test_7.t: Same.
2938 * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2939
36171d64
CC		 29402010-09-14 Cary Coutant <ccoutant@google.com>
2941
2942 * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2943 (Target_x86_64::Relocate::relocate_tls): Replace check for
2944 saw_tls_block_reloc_ with test for executable section.
2945
d89051bd
CC		 29462010-09-12 Cary Coutant <ccoutant@google.com>
2947
2948 * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2949 position-independent executables to shared libraries need dynamic
2950 relocations.
2951 (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2952 position-independent executables.
2953 * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2954 * testsuite/Makefile.in: Regenerate.
2955
fca41f0f
NC		 29562010-09-10 Nick Clifton <nickc@redhat.com>
2957
2958 PR gold/11997
2959 * testsuite/memory_test.t: Discard any sections that are not
2960 needed.
2961
6695e4b3
L		 29622010-09-09 H.J. Lu <hongjiu.lu@intel.com>
2963
2964 PR gold/11996
2965 * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2966 "This::" to work around a bug in gcc 4.2.
2967
2968 * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2969
0f72bf6f
RÁE		 29702010-09-09 Rafael Espindola <espindola@google.com>
2971
2972 * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2973 sections with different PF_X flags in the same segment.
2974 (Layout::find_first_load_seg): Search all segments to find the first
2975 one.
2976 * options.h (rosegment): New.
2977
29782010-09-08 Rafael Espindola <espindola@google.com>
a6577478 2979
05a79166 2980 * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
a6577478 2981
aa98ff75
DK		 29822010-09-08 Doug Kwan <dougkwan@google.com>
2983
2984 * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2985 (Arm_relobj::do_relocate_sections): Add new parameter for output
2986 file to match the parent.
2987 (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2988 of local symbols instead of input values. Update code to track
2989 changes in gold::relocate_section.
2990 * object.cc (Sized_relobj::compute_final_local_value): New methods.
2991 (Sized_relobj::compute_final_local_value_internal): New methods.
2992 (Sized_relobj::do_finalize_local_symbols): Move code from loop
2993 body into private version of Sized_relobj::compute_final_local_value.
2994 Call the inline method.
2995 * object.h (Symbol_value::Symbol_value): Define destructor. Free
2996 merged symbol value if there is one.
2997 (Symbol_value::has_output_value): New method defintiion.
2998 (Sized_relobj::Compute_final_local_value_status): New enum type.
2999 (Sized_relobj::compute_final_local_value): New methods.
3000 (Sized_relobj::compute_final_local_value_internal): New methods.
3001 * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
3002 and arm_cortex_a8.sh.
3003 (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
3004 arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
3005 New tests.
3006 * Makefile.in: Regenerate.
3007 * testsuite/arm_bl_out_of_range.s: Update test.
3008 * testsuite/thumb_bl_out_of_range.s: Ditto.
3009 * testsuite/thumb_blx_out_of_range.s: Ditto.
3010 * testsuite/arm_branch_out_of_range.sh: New file.
3011 * testsuite/arm_cortex_a8.sh: Ditto.
3012 * testsuite/arm_cortex_a8_b.s: Ditto.
3013 * testsuite/arm_cortex_a8_b_cond.s: Ditto.
3014 * testsuite/arm_cortex_a8_b_local.s: Ditto.
3015 * testsuite/arm_cortex_a8_bl.s: Ditto.
3016 * testsuite/arm_cortex_a8_blx.s: Ditto.
3017 * testsuite/arm_cortex_a8_local.s: Ditto.
3018 * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
3019 * testsuite/thumb_bl_out_of_range_local.s: Ditto.
3020
05a79166
L		 30212010-09-08 Rafael Espindola <espindola@google.com>
3022
3023 * Makefile.am (memory_test.stdout): Run readelf with -W.
3024 * Makefile.in: Regenerate.
3025 * testsuite/memory_test.sh: Make the regexps accept both 32 and
3026 64 bit output.
3027
33dbc701
RÁE		 30282010-09-08 Rafael Espindola <espindola@google.com>
3029
3030 * script-sections.cc (Script_sections::add_memory_region): Convert
3031 field precision to int.
3032 * script.cc (script_set_section_region, script_set_section_region):
3033 Convert field precision to int.
3034
731ca54a
RÁE		 30352010-09-08 Rafael Espindola <espindola@google.com>
3036
3037 * arm.cc (do_finalize_sections): Create the __exidx_start and
3038 __exdix_end symbols even when the section is missing.
3039
7f8cd844
NC		 30402010-09-08 Nick Clifton <nickc@redhat.com>
3041
3042 * README: Remove claim that MEMORY is not supported.
3043 * expression.cc (script_exp_function_origin)
3044 (script_exp_function_length): Move from here to ...
3045 * script.cc: ... here.
3046 (script_set_section_region, script_add_memory)
3047 (script_parse_memory_attr, script_include_directive): New
3048 functions.
3049 * script-sections.cc
3050 (class Memory_region): New class.
3051 (class Output_section_definition): Add set_memory_region,
3052 set_section_vma, set_section_lma and get_section_name methods.
3053 (class Script_Sections): Add add_memory_region,
3054 find_memory_region, find_memory_region_origin,
3055 find_memory_region_length and set_memory_region methods.
3056 Have set_section_addresses method walk the list of set memory
3057 regions.
3058 Extend the print methos to display memory regions.
3059 * script-sections.h: Add prototypes for new methods.
3060 Add enum for MEMORY region attributes.
3061 * yyscript.y: Add support for parsing MEMORY regions.
3062 * script-c.h: Add prototypes for new functions.
3063 * testsuite/Makefile.am: Add test of MEMORY region functionality.
3064 * testsuite/Makefile.in: Regenerate.
3065 * testsuite/memory_test.sh: New script.
3066 * testsuite/memory_test.s: New assembler source file.
3067 * testsuite/memory_test.t: New linker script.
3068
a4649286
DK		 30692010-08-27 Doug Kwan <dougkwan@google.com>
3070
3071 * gold/resolve.cc (Symbol_table::should_override): Let a weak
3072 reference override an existing dynamic weak reference.
3073 * testsuite/Makefile.am: Add new test dyn_weak_ref.
3074 * testsuite/Makefile.in: Regenerate.
3075 * testsuite/dyn_weak_ref.sh: New file.
3076 * testsuite/dyn_weak_ref_1.c: Ditto.
3077 * testsuite/dyn_weak_ref_2.c: Ditto.
3078
b56648ad
ILT		 30792010-08-27 Ian Lance Taylor <iant@google.com>
3080
3081 * incremental.h (class Incremental_input_entry): Add virtual
3082 destructor.
3083
809313cb
ILT		 30842010-08-27 Ian Lance Taylor <iant@google.com>
3085
3086 * testsuite/start_lib_test_3.c: Mark t3 as used.
3087
11e32464
NC		 30882010-08-27 Nick Clifton <nickc@redhat.com>
3089
3090 * options.cc (version_script): Fix small typo in previous
3091 whitespace tidyup.
3092
ca09d69a
NC		 30932010-08-25 Nick Clifton <nickc@redhat.com>
3094
3095 * archive.cc: Formatting fixes: Remove whitespace between
3096 typename and following asterisk. Remove whitespace between
3097 function name and opening parenthesis.
3098 * archive.h: Likewise.
3099 * arm.cc: Likewise.
3100 * attributes.cc: Likewise.
3101 * attributes.h: Likewise.
3102 * common.cc: Likewise.
3103 * copy-relocs.cc: Likewise.
3104 * dirsearch.h: Likewise.
3105 * dynobj.cc: Likewise.
3106 * ehframe.cc: Likewise.
3107 * ehframe.h: Likewise.
3108 * expression.cc: Likewise.
3109 * fileread.cc: Likewise.
3110 * fileread.h: Likewise.
3111 * gc.h: Likewise.
3112 * gold-threads.cc: Likewise.
3113 * gold.cc: Likewise.
3114 * i386.cc: Likewise.
3115 * icf.h: Likewise.
3116 * incremental-dump.cc: Likewise.
3117 * incremental.cc: Likewise.
3118 * layout.cc: Likewise.
3119 * layout.h: Likewise.
3120 * main.cc: Likewise.
3121 * merge.cc: Likewise.
3122 * merge.h: Likewise.
3123 * object.cc: Likewise.
3124 * object.h: Likewise.
3125 * options.cc: Likewise.
3126 * options.h: Likewise.
3127 * output.cc: Likewise.
3128 * output.h: Likewise.
3129 * plugin.cc: Likewise.
3130 * plugin.h: Likewise.
3131 * powerpc.cc: Likewise.
3132 * reloc.cc: Likewise.
3133 * script-c.h: Likewise.
3134 * script-sections.cc: Likewise.
3135 * script.cc: Likewise.
3136 * stringpool.cc: Likewise.
3137 * symtab.cc: Likewise.
3138 * symtab.h: Likewise.
3139 * target.cc: Likewise.
3140 * timer.cc: Likewise.
3141 * timer.h: Likewise.
3142 * version.cc: Likewise.
3143 * x86_64.cc: Likewise.
3144
b8fa8750
NC		 31452010-08-24 Nick Clifton <nickc@redhat.com>
3146
3147 PR 11899
3148 * layout.cc (segment_precedes): Sort segments by their physical
3149 addresses, if they have been set.
3150
9919d93b
CC		 31512010-08-23 Cary Coutant <ccoutant@google.com>
3152
3153 * archive.cc (Lib_group::add_symbols): Lock object before deleting its
3154 symbols data.
3155 (Lib_group::include_member): Unlock object after deleting its
3156 symbols data.
3157 * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
3158 the bug fixed here.
3159
97b4be1c
CC		 31602010-08-19 Neil Vachharajani <nvachhar@google.com>
3161 Cary Coutant <ccoutant@google.com>
3162
3163 * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
3164 constructor, and set_blocker.
3165 * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
3166 readsyms_blocker_.
3167 * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
3168 this->this_blocker_ to Add_lib_group_symbols::set_blocker.
3169 * testsuite/Makefile.am (start_lib_test): New test case.
3170 * testsuite/Makefile.in: Regenerate.
3171 * testsuite/start_lib_test_main.c: New file.
3172 * testsuite/start_lib_test_1.c: New file.
3173 * testsuite/start_lib_test_2.c: New file.
3174 * testsuite/start_lib_test_3.c: New file.
3175
dd0b1884
ILT		 31762010-08-19 Ian Lance Taylor <iant@google.com>
3177
3178 * Makefile.in: Rebuild with automake 1.11.1.
3179 * aclocal.m4: Likewise.
3180 * testsuite/Makefile.in: Likewise.
3181
7223e9ca
ILT		 31822010-08-19 Ian Lance Taylor <iant@google.com>
3183
3184 PR 10893
3185 * i386.cc (class Output_data_plt_i386): Update declarations.
3186 Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and
3187 local_ifuncs_ fields.
3188 (Target_i386::do_plt_section_for_global): New function.
3189 (Target_i386::do_plt_section_for_local): New function.
3190 (Output_data_plt_i386::Output_data_plt_i386): Add symtab
3191 parameter; change all callers. Initialize global_ifuncs_ and
3192 local_ifuncs_. If doing a static link define __rel_iplt_start and
3193 __rel_iplt_end.
3194 (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
3195 (Output_data_plt_i386::add_local_ifunc_entry): New function.
3196 (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
3197 symbols.
3198 (Target_i386::make_plt_section): New function, broken out of
3199 make_plt_entry. Set sh_info field of .rel.plt to point to .plt.
3200 (Target_i386::make_plt_entry): Call make_plt_section.
3201 (Target_i386::make_local_ifunc_plt_entry): New function.
3202 (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
3203 (Target_i386::Scan::local): Handle IFUNC symbols. Add
3204 R_386_IRELATIVE to switch.
3205 (Target_i386::Scan::global): Likewise.
3206 (Target_i386::Relocate::relocate): Likewise.
3207 (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
3208 switch.
3209 * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
3210 (Target_x86_64::do_plt_section_for_global): New function.
3211 (Target_x86_64::do_plt_section_for_local): New function.
3212 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
3213 parameter; change all callers. If doing a static link define
3214 __rela_iplt_start and __rela_iplt_end.
3215 (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
3216 (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
3217 (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
3218 to point to .plt.
3219 (Target_x86_64::make_local_ifunc_plt_entry): New function.
3220 (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
3221 switch.
3222 (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
3223 (Target_x86_64::Scan::local): Handle IFUNC symbols. Add
3224 R_X86_64_IRELATIVE to switch.
3225 (Target_x86_64::Scan::global): Likewise.
3226 (Target_x86_64::Relocate::relocate): Likewise.
3227 (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
3228 switch.
3229 * target.h (class Target): Add plt_section_for_global and
3230 plt_section_for_local functions. Add do_plt_section_for_global
3231 and do_plt_section_for_local virtual functions.
3232 * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add
3233 clarifying comments.
3234 (Symbol::use_plt_offset): Handle IFUNC symbol.
3235 * object.cc (Sized_relobj::Sized_relobj): Initialize
3236 local_plt_offsets_.
3237 (Sized_relobj::local_has_plt_offset): New function.
3238 (Sized_relobj::local_plt_offset): New function.
3239 (Sized_relobj::set_local_plt_offset): New function.
3240 (Sized_relobj::do_count): Handle IFUNC symbol.
3241 * object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take
3242 a bit away from input_shndx_ field. Add set_is_func_symbol and
3243 is_ifunc_symbol functions.
3244 (class Sized_relobj): Update declarations. Remove Tls_got_entry
3245 and Local_tls_got_offsets. Define Local_plt_offsets. Add
3246 local_plt_offsets_ field.
3247 (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
3248 * output.h (class Output_section_data): Add non-const
3249 output_section function.
3250 (class Output_data_got): Update declarations.
3251 (class Output_data_got::Got_entry): Add use_plt_offset_ field.
3252 Add use_plt_offset parameter to global and local constructors.
3253 Change all callers. Change local_sym_index_ field to 31 bits.
3254 Change GSYM_CODE and CONSTANT_CODE accordingly.
3255 * output.cc (Output_data_reloc_base::do_adjust_output_section): If
3256 doing a static link don't set sh_link field.
3257 (Output_data_got::Got_entry::write): Use PLT offset if
3258 appropriate.
3259 (Output_data_got::add_global_plt): New function.
3260 (Output_data_got::add_local_plt): New function.
3261 * target-reloc.h (relocate_section): Handle IFUNC symbol.
3262 * defstd.cc (in_section): Remove entries for __rel_iplt_start,
3263 __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
3264 * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
3265 * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
3266 IFUNC conditional.
3267 * testsuite/ifunc-sel.h: New file.
3268 * testsuite/ifuncmain1.c: New file.
3269 * testsuite/ifuncmain1vis.c: New file.
3270 * testsuite/ifuncmod1.c: New file.
3271 * testsuite/ifuncdep2.c: New file.
3272 * testsuite/ifuncmain2.c: New file.
3273 * testsuite/ifuncmain3.c: New file.
3274 * testsuite/ifuncmod3.c: New file.
3275 * testsuite/ifuncmain4.c: New file.
3276 * testsuite/ifuncmain5.c: New file.
3277 * testsuite/ifuncmod5.c: New file.
3278 * testsuite/ifuncmain6pie.c: New file.
3279 * testsuite/ifuncmod6.c: New file.
3280 * testsuite/ifuncmain7.c: New file.
3281 * configure, testsuite/Makefile.in: Rebuild.
3282
56f75c03
ILT		 32832010-08-18 Ian Lance Taylor <iant@google.com>
3284
3285 * incremental.cc
3286 (Output_section_incremental_inputs::write_input_files): Add cast
3287 to avoid signed/unsigned comparison warning.
3288 (Output_section_incremental_inputs::write_info_blocks): Likewise.
3289
55455f89
CC		 32902010-08-12 Cary Coutant <ccoutant@google.com>
3291
3292 * common.cc (Sort_commons::operator()): Remove unnecessary code.
3293
e2054bcb
ILT		 32942010-08-13 Ian Lance Taylor <iant@google.com>
3295
3296 * testsuite/incremental_test_1.c: Add prototype to avoid warning.
3297
74f67560
DK		 32982010-08-12 Cary Coutant <ccoutant@google.com>
3299 Doug Kwan <dougkwan@google.com>
3300
3301 * resolve.cc (Symbol_table::should_override): When a weak dynamic
3302 defintion overrides non-weak undef, remember that the original undef
3303 is not weak.
3304 * symtab.cc (Symbol_table::sized_write_global): For undef without
3305 an original weak binding, set binding to global in output.
3306 * testsuite/Makefile.am: Add new test strong_ref_weak_def.
3307 * testsuite/Makefile.in: Regenerate.
3308 * testsuite/strong_ref_weak_def.sh: New file.
3309 * testsuite/strong_ref_weak_def_1.c: Ditto.
3310 * testsuite/strong_ref_weak_def_2.c: Ditto.
3311
d1238d12
CC		 33122010-08-12 Cary Coutant <ccoutant@google.com>
3313
3314 * testsuite/incremental_test.sh: Rewrite.
3315 * testsuite/incremental_test_1.c: Rewrite.
3316 * testsuite/incremental_test_2.c: Rewrite.
3317
0e70b911
CC		 33182010-08-12 Cary Coutant <ccoutant@google.com>
3319
3320 * arm.cc (Target_arm::got_size): Add const.
3321 (Target_arm::got_entry_count): New function.
3322 (Target_arm::plt_entry_count): New function.
3323 (Target_arm::first_plt_entry_offset): New function.
3324 (Target_arm::plt_entry_size): New function.
3325 (Output_data_plt_arm::entry_count): New function.
3326 (Output_data_plt_arm::first_plt_entry_offset): New function.
3327 (Output_data_plt_arm::get_plt_entry_size): New function.
3328 * i386.cc (Target_i386::got_size): Add const.
3329 (Target_i386::got_entry_count): New function.
3330 (Target_i386::plt_entry_count): New function.
3331 (Target_i386::first_plt_entry_offset): New function.
3332 (Target_i386::plt_entry_size): New function.
3333 (Output_data_plt_i386::entry_count): New function.
3334 (Output_data_plt_i386::first_plt_entry_offset): New function.
3335 (Output_data_plt_i386::get_plt_entry_size): New function.
3336 * incremental-dump.cc (dump_incremental_inputs): Adjust call to
3337 find_incremental_inputs_sections. Dump incremental_got_plt section.
3338 * incremental.cc: Include target.h.
3339 (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
3340 parameter. Adjust all callers. Find incremental_got_plt section.
3341 (Incremental_inputs::create_data_sections): Create incremental_got_plt
3342 section.
3343 (Output_section_incremental_inputs::set_final_data_size): Calculate
3344 size of incremental_got_plt section.
3345 (Output_section_incremental_inputs::do_write): Write the
3346 incremental_got_plt section.
3347 (Got_plt_view_info): New struct.
3348 (Local_got_offset_visitor): New class.
3349 (Global_got_offset_visitor): New class.
3350 (Global_symbol_visitor_got_plt): New class.
3351 (Output_section_incremental_inputs::write_got_plt): New function.
3352 * incremental.h (Incremental_binary::find_incremental_inputs_sections):
3353 Add parameter. Adjust all callers.
3354 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3355 (Incremental_inputs::got_plt_section): New function.
3356 (Incremental_inputs::got_plt_section_): New data member.
3357 (Incremental_got_plt_reader): New class.
3358 * layout.cc (Layout::create_incremental_info_sections): Add the
3359 incremental_got_plt section.
3360 * object.h (Got_offset_list::get_list): New function.
3361 (Got offset_list::for_all_got_offsets): New function.
3362 (Sized_relobj::local_got_offset_list): New function.
3363 * powerpc.cc (Target_powerpc::got_size): Add const.
3364 (Target_powerpc::got_entry_count): New function.
3365 (Target_powerpc::plt_entry_count): New function.
3366 (Target_powerpc::first_plt_entry_offset): New function.
3367 (Target_powerpc::plt_entry_size): New function.
3368 (Output_data_plt_powerpc::entry_count): New function.
3369 (Output_data_plt_powerpc::first_plt_entry_offset): New function.
3370 (Output_data_plt_powerpc::get_plt_entry_size): New function.
3371 * sparc.cc (Target_sparc::got_size): Add const.
3372 (Target_sparc::got_entry_count): New function.
3373 (Target_sparc::plt_entry_count): New function.
3374 (Target_sparc::first_plt_entry_offset): New function.
3375 (Target_sparc::plt_entry_size): New function.
3376 (Output_data_plt_sparc::entry_count): New function.
3377 (Output_data_plt_sparc::first_plt_entry_offset): New function.
3378 (Output_data_plt_sparc::get_plt_entry_size): New function.
3379 * symtab.h (Symbol::got_offset_list): New function.
3380 (Symbol_table::for_all_symbols): New function.
3381 * target.h (Sized_target::got_entry_count): New function.
3382 (Sized_target::plt_entry_count): New function.
3383 (Sized_target::plt_entry_size): New function.
3384 * x86_64.cc (Target_x86_64::got_size): Add const.
3385 (Target_x86_64::got_entry_count): New function.
3386 (Target_x86_64::plt_entry_count): New function.
3387 (Target_x86_64::first_plt_entry_offset): New function.
3388 (Target_x86_64::plt_entry_size): New function.
3389 (Output_data_plt_x86_64::entry_count): New function.
3390 (Output_data_plt_x86_64::first_plt_entry_offset): New function.
3391 (Output_data_plt_x86_64::get_plt_entry_size): New function.
3392
09ec0418
CC		 33932010-08-12 Cary Coutant <ccoutant@google.com>
3394
3395 * archive.cc: Include incremental.h.
3396 (Archive::Archive): Initialize incremental_info_.
3397 (Archive::include_member): Record archive members in incremental info.
3398 (Add_archive_symbols::run): Record begin and end of an archive in
3399 incremental info.
3400 (Lib_group::include_member): Record objects in incremental info.
3401 * archive.h (Incremental_archive_entry): Forward declaration.
3402 (Archive::set_incremental_info): New member function.
3403 (Archive::incremental_info): New member function.
3404 (Archive::Unused_symbol_iterator): New class.
3405 (Archive::unused_symbols_begin): New member function.
3406 (Archive::unused_symbols_end): New member function.
3407 (Archive::incremental_info_): New data member.
3408 * incremental-dump.cc (find_input_containing_global): New function.
3409 (dump_incremental_inputs): Dump new incremental info sections.
3410 * incremental.cc: Include symtab.h.
3411 (Output_section_incremental_inputs): New class.
3412 (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
3413 new incremental info sections.
3414 (Sized_incremental_binary::do_check_inputs): Likewise.
3415 (Incremental_inputs::report_archive): Remove.
3416 (Incremental_inputs::report_archive_begin): New function.
3417 (Incremental_inputs::report_archive_end): New function.
3418 (Incremental_inputs::report_object): New function.
3419 (Incremental_inputs::finalize_inputs): Remove.
3420 (Incremental_inputs::report_input_section): New function.
3421 (Incremental_inputs::report_script): Rewrite.
3422 (Incremental_inputs::finalize): Do nothing but finalize string table.
3423 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3424 (Incremental_inputs::sized_create_inputs_section_data): Remove.
3425 (Incremental_inputs::create_data_sections): New function.
3426 (Incremental_inputs::relocs_entsize): New function.
3427 (Output_section_incremental_inputs::set_final_data_size): New function.
3428 (Output_section_incremental_inputs::do_write): New function.
3429 (Output_section_incremental_inputs::write_header): New function.
3430 (Output_section_incremental_inputs::write_input_files): New function.
3431 (Output_section_incremental_inputs::write_info_blocks): New function.
3432 (Output_section_incremental_inputs::write_symtab): New function.
3433 * incremental.h (Incremental_script_entry): Forward declaration.
3434 (Incremental_object_entry): Forward declaration.
3435 (Incremental_archive_entry): Forward declaration.
3436 (Incremental_inputs): Forward declaration.
3437 (Incremental_inputs_header_data): Remove.
3438 (Incremental_inputs_header): Remove.
3439 (Incremental_inputs_header_write): Remove.
3440 (Incremental_inputs_entry_data): Remove.
3441 (Incremental_inputs_entry): Remove.
3442 (Incremental_inputs_entry_write): Remove.
3443 (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
3444 (Incremental_binary::find_incremental_inputs_sections): Add parameters.
3445 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
3446 (Sized_ncremental_binary::do_find_incremental_inputs_sections):
3447 Likewise.
3448 (Incremental_input_entry): New class.
3449 (Incremental_script_entry): New class.
3450 (Incremental_object_entry): New class.
3451 (Incremental_archive_entry): New class.
3452 (Incremental_inputs::Incremental_inputs): Initialize new data members.
3453 (Incremental_inputs::report_inputs): Remove.
3454 (Incremental_inputs::report_archive): Remove.
3455 (Incremental_inputs::report_archive_begin): New function.
3456 (Incremental_inputs::report_archive_end): New function.
3457 (Incremental_inputs::report_object): Change prototype.
3458 (Incremental_inputs::report_input_section): New function.
3459 (Incremental_inputs::report_script): Change prototype.
3460 (Incremental_inputs::get_reloc_count): New function.
3461 (Incremental_inputs::set_reloc_count): New function.
3462 (Incremental_inputs::create_data_sections): New function.
3463 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3464 (Incremental_inputs::inputs_section): New function.
3465 (Incremental_inputs::symtab_section): New function.
3466 (Incremental_inputs::relocs_section): New function.
3467 (Incremental_inputs::get_stringpool): Add const.
3468 (Incremental_inputs::command_line): Add const.
3469 (Incremental_inputs::inputs): Remove.
3470 (Incremental_inputs::command_line_key): New function.
3471 (Incremental_inputs::input_file_count): New function.
3472 (Incremental_inputs::input_files): New function.
3473 (Incremental_inputs::relocs_entsize): New function.
3474 (Incremental_inputs::sized_create_inputs_section_data): Remove.
3475 (Incremental_inputs::finalize_inputs): Remove.
3476 (Incremental_inputs::Input_info): Remove.
3477 (Incremental_inputs::lock_): Remove.
3478 (Incremental_inputs::inputs_): Change type.
3479 (Incremental_inputs::inputs_map_): Remove.
3480 (Incremental_inputs::current_object_entry_): New data member.
3481 (Incremental_inputs::inputs_section_): New data member.
3482 (Incremental_inputs::symtab_section_): New data member.
3483 (Incremental_inputs::relocs_section_): New data member.
3484 (Incremental_inputs::reloc_count_): New data member.
3485 (Incremental_inputs_reader): New class.
3486 (Incremental_symtab_reader): New class.
3487 (Incremental_relocs_reader): New class.
3488 * layout.cc (Layout::finalize): Move finalization of incremental info
3489 and creation of incremental info sections to follow finalization of
3490 symbol table. Set offsets for postprocessing sections.
3491 (Layout::create_incremental_info_sections): Call
3492 Incremental_inputs::create_data_sections. Add incremental symtab
3493 and relocs sections. Set sh_entsize and sh_link fields. Arrange for
3494 sections to layout after input sections.
3495 * layout.h (struct Timespec): Forward declaration.
3496 (Layout::incremental_inputs): Add const.
3497 (Layout::create_incremental_info_sections): Add parameter.
3498 * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3499 * object.cc: Include incremental.h.
3500 (Relobj::finalize_incremental_relocs): New function.
3501 (Sized_relobj::do_layout): Record input sections in incremental info.
3502 * object.h (Object::output_section): New function.
3503 (Object::output_section_offset): Moved from Relobj.
3504 (Object::get_incremental_reloc_base): New function.
3505 (Object::get_incremental_reloc_count): New function.
3506 (Object::do_output_section): New function.
3507 (Object::do_output_section_offset): Moved from Relobj.
3508 (Object::do_get_incremental_reloc_base): New function.
3509 (Object::do_get_incremental_reloc_count): New function.
3510 (Object::Object): Initialize new data members.
3511 (Relobj::output_section): Renamed do_output_section and moved to
3512 protected.
3513 (Relobj::output_section_offset): Moved to Object.
3514 (Relobj::do_get_incremental_reloc_base): New function.
3515 (Relobj::do_get_incremental_reloc_count): New function.
3516 (Relobj::allocate_incremental_reloc_counts): New function.
3517 (Relobj::count_incremental_reloc): New function.
3518 (Relobj::finalize_incremental_relocs): New function.
3519 (Relobj::next_incremental_reloc_index): New function.
3520 (Relobj::reloc_counts_): New data member.
3521 (Relobj::reloc_bases_): New data member.
3522 (Sized_relobj::do_relocate_sections): Add parameter. Change caller.
3523 (Sized_relobj::relocate_sections): Add parameter. Change all callers.
3524 (Sized_relobj::incremental_relocs_scan): New function.
3525 (Sized_relobj::incremental_relocs_scan_reltype): New function.
3526 (Sized_relobj::incremental_relocs_write): New function.
3527 (Sized_relobj::incremental_relocs_write_reltype): New function.
3528 * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3529 incremental link.
3530 * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3531 archives and object files elsewhere.
3532 (Add_symbols::run): Report object files here.
3533 (Finish_group::run): Report end of archive at end of group.
3534 * reloc.cc: Include layout.h, incremental.h.
3535 (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3536 (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3537 (Sized_relobj::incremental_relocs_scan): New function.
3538 (Sized_relobj::incremental_relocs_scan_reltype): New function.
3539 (Sized_relobj::do_relocate_sections): Write incremental relocations.
3540 (Sized_relobj::incremental_relocs_write): New function.
3541 (Sized_relobj::incremental_relocs_write_reltype): New function.
3542 * script.cc (read_input_script): Rewrite test for incremental link.
3543 Change call to Incremental_inputs::report_script.
3544 * symtab.h (Symbol_table::first_global_index): New function.
3545 (Symbol_table::output_count): New function.
3546
ce0d1972
DK		 35472010-08-12 Doug Kwan <dougkwan@google.com>
3548
3549 * arm.cc (Target_arm::merge_object_attributes): Check command line
3550 options --no-wchar-size-warning and --no-enum-size-warning.
3551 * options.h (General_options): Add ld-compatible options
3552 --no-enum-size-warning and --no-wchar-size-warning.
3553
6e5710ce
ILT		 35542010-08-04 Ian Lance Taylor <iant@google.com>
3555
3556 * x86_64.cc (Target_x86_64::Scan::local): Use
3557 R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3558 R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3559 (Target_x86_64::Scan::global): Likewise.
3560 (Target_x86_64::Relocate::relocate): Likewise.
3561 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3562 Likewise.
3563
fef830db
CC		 35642010-08-03 Cary Coutant <ccoutant@google.com>
3565
3566 * merge.cc (Output_merge_string::do_add_input_section): Count strings
3567 to reserve space in merged_strings vector. Keep total input size
3568 for stats.
3569 (Output_merge_string::do_print_merge_stats): Print total input size.
3570 * merge.h (Output_merge_string): Add input_size_ field.
3571 * stringpool.cc (Stringpool_template::string_length): Move
3572 implementations out of Stringpool_template class and place in
3573 stringpool.h.
3574 * stringpool.h (string_length): Move out of Stringpool_template.
3575
1e3811b0
ILT		 35762010-08-03 Ian Lance Taylor <iant@google.com>
3577
3578 PR 11712
3579 * layout.cc (relaxation_loop_body): If address of load segment is
3580 set, adjust address to include headers if possible.
3581
7af0c620
ILT		 35822010-08-03 Ian Lance Taylor <iant@google.com>
3583
3584 * version.cc (version_string): Bump to 1.10.
3585
22f0da72
ILT		 35862010-08-03 Ian Lance Taylor <iant@google.com>
3587
3588 PR 11805
3589 * layout.h (enum Output_section_order): Define.
3590 (class Layout): Update declarations.
3591 * layout.cc (Layout::get_output_section): Add order parameter.
3592 Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3593 is_first_non_relro parameters. Change all callers.
3594 (Layout::choose_output_section): Likewise.
3595 (Layout::add_output_section_data): Likewise.
3596 (Layout::make_output_section): Likewise. Set order.
3597 (Layout::default_section_order): New function.
3598 (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3599 * output.cc (Output_section::Output_section): Initialize order_.
3600 Don't initialize deleted fields.
3601 (Output_segment::Output_segment): Don't initialize deleted
3602 fields.
3603 (Output_segment::add_output_section_to_load): New function
3604 replacing add_output_section. Change all callers to call this or
3605 add_output_section_to_nonload.
3606 (Output_segment::add_output_section_to_nonload): New function.
3607 (Output_segment::remove_output_section): Rewrite.
3608 (Output_segment::add_initial_output_data): Likewise.
3609 (Output_segment::has_any_data_sections): Likewise.
3610 (Output_segment::is_first_section_relro): Likewise.
3611 (Output_segment::maximum_alignment): Likewise.
3612 (Output_segment::has_dynamic_reloc): New function replacing
3613 dynamic_reloc_count. Change all callers.
3614 (Output_segment::has_dynamic_reloc_list): New function replacing
3615 dynamic_reloc_count_list. Change all callers.
3616 (Output_segment::set_section_addresses): Rewrite.
3617 (Output_segment::set_offset): Rewrite.
3618 (Output_segment::find_first_and_last_list): Remove.
3619 (Output_segment::set_tls_offsets): Rewrite.
3620 (Output_segment::first_section_load_address): Likewise.
3621 (Output_segment::output_section_count): Likewise.
3622 (Output_segment::section_with_lowest_load_address): Likewise.
3623 (Output_segment::write_section_headers): Likewise.
3624 (Output_segment::print_sections_to_map): Likewise.
3625 * output.h (class Output_data): Remove dynamic_reloc_count_
3626 field. Add has_dynamic_reloc_ field. Make bools into bitfields.
3627 (Output_data::add_dynamic_reloc): Rewrite.
3628 (Output_data::has_dynamic_reloc): New function.
3629 (Output_data::dynamic_reloc_count): Remove.
3630 (class Output_section): Add order_ field. Remvoe is_relro_local_,
3631 is_last_relro_, is_first_non_relro_, is_interp_,
3632 is_dynamic_linker_section_ fields. Add order and set_order
3633 functions. Remove is_relro_local, set_is_relro_local,
3634 is_last_relro, set_is_last_relro, is_first_non_relro,
3635 set_is_first_non_relro functions, is_interp, set_is_interp,
3636 is_dynamic_linker_section, and set_is_dynamic_linker_section
3637 functions.
3638 (class Output_segment): Change Output_data_list from std::list to
3639 std:;vector. Add output_lists_ field. Remove output_data_ and
3640 output_bss_ fields. Update declarations.
3641
3ff2ccb0
ILT		 36422010-08-02 Ian Lance Taylor <iant@google.com>
3643
3644 * arm.cc (Target_arm::gc_process_relocs): Use typename.
3645 * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3646 * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3647
88a4108b
ILT		 36482010-08-02 Ian Lance Taylor <iant@google.com>
3649
3650 PR 11855
3651 * script.cc (Script_options::Script_options): Initialize
3652 symbol_definitions_ and symbol_references_.
3653 (Script_options::add_symbol_assignment): Update
3654 symbol_definitions_ and symbol_references_.
3655 (Script_options::add_symbol_reference): New function.
3656 (script_symbol): New function.
3657 * script.h (class Script_options): Add symbol_definitions_ and
3658 symbol_references_ fields.
3659 (Script_options::referenced_const_iterator): New type.
3660 (Script_options::referenced_begin): New function.
3661 (Script_options::referenced_end): New function.
3662 (Script_options::is_referenced): New function.
3663 (Script_options::any_unreferenced): New function.
3664 * script-c.h (script_symbol): Declare.
3665 * yyscript.y (exp): Call script_symbol.
3666 * symtab.cc: Include "script.h".
3667 (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3668 Change all callers. Check symbols referenced by scripts.
3669 (Symbol_table::add_undefined_symbols_from_command_line): Add
3670 layout parameter. Change all callers.
3671 (Symbol_table::do_add_undefined_symbols_from_command_line):
3672 Likewise. Break out loop body. Check symbols referenced by
3673 scripts.
3674 (Symbol_table::add_undefined_symbol_from_command_line): New
3675 function broken out of
3676 do_add_undefined_symbols_from_command_line.
3677 * symtab.h (class Symbol_table): Update declarations.
3678 * archive.cc: Include "layout.h".
3679 (Archive::should_include_member): Add layout parameter. Change
3680 all callers. Check for symbol mentioned in expression.
3681 * archive.h (class Archive): Update declaration.
3682 * object.cc (Sized_relobj::do_should_include_member): Add layout
3683 parameter.
3684 * object.h (Object::should_include_member): Add layout parameter.
3685 Change all callers.
3686 (Object::do_should_include_member): Add layout parameter.
3687 (class Sized_relobj): Update declaration.
3688 * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3689 parameter.
3690 * dynobj.h (class Sized_dynobj): Update declaration.
3691 * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3692 layout parameter.
3693 * plugin.h (class Sized_pluginobj): Update declaration.
3694
5f1ab67a
ILT		 36952010-08-02 Ian Lance Taylor <iant@google.com>
3696
3697 PR 11866
3698 * output.cc (Output_segment::set_offset): Search for the first and
3699 last sections rather than assuming that the list is in order.
3700 (Output_segment::find_first_and_last_list): New function.
3701 * output.h (class Output_segment): Update declarations.
3702 * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3703 (relro_strip_test_SOURCES): New variable.
3704 (relro_strip_test_DEPENDENCIES): New variable.
3705 (relro_strip_test_LDFLAGS): New variable.
3706 (relro_strip_test_LDADD): New variable.
3707 (relro_strip_test.so): New target.
3708
a8df5856
ILT		 37092010-08-02 Ian Lance Taylor <iant@google.com>
3710
3711 * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3712 (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3713 (Target_i386::got_tlsdesc_section): New function.
3714 (Target_i386::got_section): Create space for GOT entries for
3715 TLSDESC relocations.
3716 (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3717 R_386_TLS_GOTDESC.
3718 (Target_i386::Scan::global): Likewise.
3719 (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3720 using TLSDESC GOT.
3721 * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3722 (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3723 (Target_x86_64::got_tlsdesc_section): New function.
3724 (Target_x86_64::got_section): Create space for GOT entries for
3725 TLSDESC relocations.
3726 (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3727 R_386_TLS_GOTDESC.
3728 (Target_x86_64::Scan::global): Likewise.
3729 (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3730 using TLSDESC GOT.
3731
0c10a0a6
ILT		 37322010-08-02 Ian Lance Taylor <iant@google.com>
3733
3734 * testsuite/final_layout.sh: Use dc to convert from hex to
3735 decimal.
3736
41cbeecc
ST		 37372010-07-29 Sriraman Tallam <tmsriram@google.com>
3738
3739 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3740 paramter to the call to gold::gc_process_relocs.
3741 * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3742 paramter to the call to gold::gc_process_relocs.
3743 * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3744 parameter to the call to gold::gc_process_relocs.
3745 * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3746 template parameter to the call to gold::gc_process_relocs.
3747 * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3748 paramter to the call to gold::gc_process_relocs.
3749 * gc.h (get_embedded_addend_size): New function.
3750 (gc_process_relocs): Save the size of the reloc for use by ICF.
3751 * icf.cc (get_section_contents): Get the addend from the text section
3752 for SHT_REL relocation sections.
3753 * icf.h (Icf::Reloc_addend_size_info): New typedef.
3754 (Icf::Reloc_info): Add new member reloc_addend_size_info.
3755 * int_encoding.h (read_from_pointer): New overloaded function.
3756 * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3757 * testsuite/icf_sht_rel_addend_test.sh: New file.
3758 * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3759 * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3760
6ea55b82
RW		 37612010-07-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3762
3763 * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3764 * Makefile.in: Regenerate.
3765 * testsuite/Makefile.in: Regenerate.
3766
9691462b
ILT		 37672010-07-27 Jeffrey Yasskin <jyasskin@google.com>
3768
3769 * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3770 * gold/testsuite/debug_msg.cc: Likewise.
3771 * gold/testsuite/odr_violation1.cc
3772 * gold/testsuite/odr_violation2.cc
3773
76897331
CC		 37742010-07-21 Cary Coutant <ccoutant@google.com>
3775
3776 * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3777 string, and length fields.
3778 (Output_merge_string::Merged_strings_list): New type.
3779 (Output_merge_string::Merged_strings_lists): New typedef.
3780 (Output_merge_string): Replace merged_strings_ with
3781 merged_strings_lists_.
3782 * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3783 Merged_strings_list per input object and section. Don't store pointer
3784 to the string. Don't store length with each merged string entry.
3785 (Output_merge_string::finalize_merged_data): Loop over list of merged
3786 strings lists. Recompute length of each merged string.
3787
78384e8f
CC		 37882010-07-15 Cary Coutant <ccoutant@google.com>
3789
3790 * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3791 here.
3792
783659f9
ILT		 37932010-07-14 Ian Lance Taylor <iant@google.com>
3794
3795 * descriptors.cc (Descriptors::open): Report correct name in error
3796 message.
3797
131687b4
DK		 37982010-07-13 Doug Kwan <dougkwan@google.com>
3799
3800 * arm.cc (Arm_input_section::Arm_input_section): For a
3801 SHT_ARM_EXIDX section, always keeps the input sections.
3802 (Arm_input_section::set_exidx_section_link): New method.
3803 (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3804 has_errors_ to false.
3805 (Arm_exidx_input_section::has_errors,
3806 Arm_exidx_input_section::set_has_errors): New methods.
3807 (Arm_exidx_input_section::has_errors_): New data member.
3808 (Arm_relobj::get_exidx_shndx_list): New method.
3809 (Arm_output_section::append_text_sections_to_list): Do not skip
3810 section without SHF_EXECINSTR.
3811 (Arm_output_section::fix_exidx_coverage): Skip input sections with
3812 errors.
3813 (Arm_relobj::make_exidx_input_section): Add new parameter for text
3814 section header. Make error messages more verbose. Check for
3815 a non-executable section linked to an EXIDX section.
3816 (Arm_relobj::do_read_symbols): Remove error checking, which has been
3817 moved to Arm_relobj::make_exidx_input_section. Add an assertion to
3818 check that there is no deferred EXIDX section if we exit early.
3819 Instead of not making an EXIDX section in case of an error, make one
3820 and set the has_errors flag of it.
3821 (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3822 in a relocatable link.
3823 (Target_arm::do_relax): Look for the EXIDX output section instead of
3824 assuming that it is called .ARM.exidx.
3825 (Target_arm::fix_exidx_coverage): Add a new parameter for input
3826 section list. Do not check for SHF_EXECINSTR section flags but
3827 skip any input section with errors.
3828 * output.cc (Output_section::Output_section): Initialize
3829 always_keeps_input_sections_ to false.
3830 (Output_section::add_input_section): Check for
3831 always_keeps_input_sections_.
3832 * output.h (Output_section::always_keeps_input_sections,
3833 Output_section::set_always_keeps_input_sections): New methods.
3834 (Output_section::always_keeps_input_sections): New data member.
3835
69517287
RÁE		 38362010-07-13 Rafael Espindola <espindola@google.com>
3837
3838 * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3839 * fileread.h (Input_file): Add try_extra_search_path and find_file.
3840
82742395
ILT		 38412010-07-13 Philip Herron <herron.philip@googlemail.com>
3842 Ian Lance Taylor <iant@google.com>
3843
3844 * output.h (Output_section_lookup_maps::add_merge_section):
3845 Correct check of whether value was inserted.
3846 (Output_section_lookup_maps::add_merge_input_section): Likewise.
3847 (Output_section_lookup_maps::add_relaxed_input_section):
3848 Likewise.
3849 * arm.cc (Target_arm::got_section): Remove used local os.
3850 * i386.cc (Target_i386::got_section): Likewise.
3851 * x86_64.cc (Target_x86_64::got_section): Likewise.
3852 * sparc.cc (Target_sparc::got_section): Likewise.
3853 (Target_sparc::relocate): Remove unused local have_got_offset.
3854 * powerpc.cc (Target_powerpc::relocate): Likewise.
3855
f2d707b5
ILT		 38562010-07-13 Ian Lance Taylor <iant@google.com>
3857
241531d6
ILT		 3858 * compressed_output.cc (zlib_decompress): Fix signature in
3859 !HAVE_ZLIB_H case.
3860
f2d707b5
ILT		 3861 * archive.cc (Archive::include_member): Unlock an external member
3862 of a thin archive. Don't bother to delete an object we know is
3863 NULL.
3864
a2e47362
CC		 38652010-07-12 Cary Coutant <ccoutant@google.com>
3866
3867 * compressed_output.cc (zlib_decompress): New function.
3868 (get_uncompressed_size): New function.
3869 (decompress_input_section): New function.
3870 * compressed_output.h (get_uncompressed_size): New function.
3871 (decompress_input_section): New function.
3872 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3873 Handle compressed debug sections.
3874 * layout.cc (is_compressed_debug_section): New function.
3875 (Layout::output_section_name): Map compressed section names to
3876 canonical names.
3877 * layout.h (is_compressed_debug_section): New function.
3878 (is_debug_info_section): Recognize compressed debug sections.
3879 * merge.cc: Include compressed_output.h.
3880 (Output_merge_data::do_add_input_section): Handle compressed
3881 debug sections.
3882 (Output_merge_string::do_add_input_section): Handle compressed
3883 debug sections.
3884 * object.cc: Include compressed_output.h.
3885 (Sized_relobj::Sized_relobj): Initialize new data members.
3886 (build_compressed_section_map): New function.
3887 (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3888 * object.h (Object::section_is_compressed): New method.
3889 (Object::do_section_is_compressed): New method.
3890 (Sized_relobj::Compressed_section_map): New type.
3891 (Sized_relobj::do_section_is_compressed): New method.
3892 (Sized_relobj::compressed_sections_): New data member.
3893 * output.cc (Output_section::add_input_section): Handle compressed
3894 debug sections.
3895 * reloc.cc: Include compressed_output.h.
3896 (Sized_relobj::write_sections): Handle compressed debug sections.
3897
ce279a62
CC		 38982010-07-08 Cary Coutant <ccoutant@google.com>
3899
3900 * resolve.cc (Symbol_table::resolve): Remember whether undef was
3901 weak when resolving to a dynamic def.
3902 (Symbol_table::should_override): Add adjust_dyndef flag; set it
3903 for weak undef/dynamic def cases. Adjust callers.
3904 * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3905 undef_binding_weak_.
3906 (Symbol_table::sized_write_globals): Adjust symbol binding.
3907 (Symbol_table::sized_write_symbol): Add binding parameter.
3908 * symtab.h (Symbol::set_undef_binding): New method.
3909 (Symbol::is_undef_binding_weak): New method.
3910 (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3911 (Symbol_table::should_override): Add new parameter.
3912 (Symbol_table::sized_write_symbol): Add new parameter.
3913
3914 * testsuite/weak_undef_file1.cc: Add new test case.
3915 * testsuite/weak_undef_file2.cc: Fix header comment.
3916 * testsuite/weak_undef_test.cc: Add new test case.
3917
b2286c10
DK		 39182010-06-29 Doug Kwan <dougkwan@google.com>
3919
3920 * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3921 Initialize USE_SYMBOL_.
3922 * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3923 definition.
3924 (Arm_reloc_property::uses_symbol_): New data member declaration.
3925 * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3926 uses symbol value and symbol is undefined but not weakly undefined.
3927
4802450a
RÁE		 39282010-06-28 Rafael Espindola <espindola@google.com>
3929
3930 * plugin.cc (Plugin::load): Use dlerror.
3931
e5ca47ba
ILT		 39322010-06-26 Jeffrey Yaskin <jyasskin@google.com>
3933
3934 * symtab.cc (detect_odr_violations): When reporting an ODR
3935 violation, report an object where the symbol is defined.
3936
8a75a161
DK		 39372010-06-25 Doug Kwan <dougkwan@google.com>
3938
3939 * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3940 (Target_arm::section_may_have_icf_unsafe_pointers): New method
3941 definition.
3942 (Target_arm::Scan::local_reloc_may_be_function_pointer,
3943 Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3944 target hook to detect function points.
3945 (Target_arm::Scan::possible_function_pointer_reloc): New method.
3946 * icf.h (Icf::check_section_for_function_pointers): Change type of
3947 parameter SECTION_NAME to const reference to std::string. Use
3948 target hook to determine if section may have unsafe pointers.
3949 * target.h (Target::section_may_have_icf_unsafe_pointers): New
3950 method definition.
3951
42218b9f
RÁE		 39522010-06-21 Rafael Espindola <espindola@google.com>
3953
3954 * fileread.cc (Input_file::find_fie): New
3955 (Input_file::open): Use Input_file::find_fie.
3956 * fileread.h (Input_file::find_fie): New
3957 * plugin.cc (set_extra_library_path): New.
3958 (Plugin::load): Add set_extra_library_path to the transfer vector.
3959 (Plugin_manager::set_extra_library_path): New.
3960 (Plugin_manager::add_input_file): Use the extra search path if set.
3961 (set_extra_library_path(): New.
3962 * plugin.h (Plugin_manager): Add set_extra_library_path and
3963 extra_search_path_.
3964
a0506cca
CC		 39652010-06-19 Cary Coutant <ccoutant@google.com>
3966
3967 * layout.cc (gdb_sections): Add .debug_types.
3968 (lines_only_debug_sections): Likewise.
3969
6508b958
RÁE		 39702010-06-18 Rafael Espindola <espindola@google.com>
3971
3972 * plugin.cc (add_input_file,add_input_library)
3973 (Plugin_manager::add_input_file): Make filename arguments const.
3974 * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3975 const.
3976
3e235302
DK		 39772010-06-16 Doug Kwan <dougkwan@google.com>
3978
3979 * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3980 .ARM.attributes section if we have not merged any input
3981 attributes sections.
3982
106e8a6c
DK		 39832010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3984
3985 * arm.cc: Allow combining objects with no EABI version
3986 information.
3987
91ff43fe
RÁE		 39882010-06-15 Rafael Espindola <espindola@google.com>
3989
3990 * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3991
68ed838c
ILT		 39922010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3993
3994 * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3995 (struct iovec): Correct !HAVE_READV definition.
3996
f3a2388f
CC		 39972010-06-10 Cary Coutant <ccoutant@google.com>
3998
3999 * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
4000 (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
4001 reloc sections.
4002 * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
4003
4004 PR 11683
4005 * symtab.h (Symbol::is_placeholder): New member function.
4006 * target-reloc.h (relocate_section): Check for placeholder symbols.
4007
4008 * testsuite/Makefile.am (plugin_test_8): New test.
4009 (plugin_test_9): New test.
4010 * testsuite/Makefile.in: Regenerate.
4011
e1df38aa
NC		 40122010-06-09 Nick Clifton <nickc@redhat.com>
4013
4014 * yyscript.y (input_list_element): Allow strings prefixed with
4015 the '-' character. Treat these as libraries.
4016 * script.cc (script_add_library): New function. Adds a library
4017 specified by "-l<name>" found in an input script.
4018 * script-c.h: Add prototype for script_add_library.
4019
25bbe950
DK		 40202010-06-07 Doug Kwan <dougkwan@google.com>
4021
4022 * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
4023 Restrict stub-group size to be within long conditional branch
4024 range when working around cortex-A8 erratum.
4025
0f32ea4c
ILT		 40262010-06-07 Damien Diederen <dd@crosstwine.com>
4027
4028 * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
4029 #ifdef typo.
4030
8fe2a369
ST		 40312010-06-03 Sriraman Tallam <tmsriram@google.com>
4032
4033 PR gold/11658
4034 * output.cc
4035 (Output_section::Input_section_sort_entry::compare_section_ordering):
4036 Change to return non-zero correctly.
4037 (Output_section::Input_section_sort_section_order_index_compare
4038 ::operator()): Change to fix ambiguity in comparisons.
4039
6e9ba2ca
ST		 40402010-06-01 Sriraman Tallam <tmsriram@google.com>
4041
4042 * gold.h (is_wildcard_string): New function.
4043 * layout.cc (Layout::layout): Pass this pointer to add_input_section.
4044 (Layout::layout_eh_frame): Ditto.
4045 (Layout::find_section_order_index): New method.
4046 (Layout::read_layout_from_file): New method.
4047 * layout.h (Layout::find_section_order_index): New method.
4048 (Layout::read_layout_from_file): New method.
4049 (Layout::input_section_position_): New private member.
4050 (Layout::input_section_glob_): New private member.
4051 * main.cc (main): Call read_layout_from_file here.
4052 * options.h (--section-ordering-file): New option.
4053 * output.cc (Output_section::input_section_order_specified_): New
4054 member.
4055 (Output_section::Output_section): Initialize new member.
4056 (Output_section::add_input_section): Add new parameter.
4057 Keep input sections when --section-ordering-file is used.
4058 (Output_section::set_final_data_size): Sort input sections when
4059 section ordering file is specified.
4060 (Output_section::Input_section_sort_entry): Add new parameter.
4061 Check sorting type.
4062 (Output_section::Input_section_sort_entry::compare_section_ordering):
4063 New method.
4064 (Output_section::Input_section_sort_compare::operator()): Change to
4065 consider section_order_index.
4066 (Output_section::Input_section_sort_init_fini_compare::operator()):
4067 Change to consider section_order_index.
4068 (Output_section::Input_section_sort_section_order_index_compare
4069 ::operator()): New method.
4070 (Output_section::sort_attached_input_sections): Change to sort
4071 according to section order when specified.
e1df38aa
NC		 4072 (Output_section::add_input_section<32, true>): Add new parameter.
4073 (Output_section::add_input_section<64, true>): Add new parameter.
4074 (Output_section::add_input_section<32, false>): Add new parameter.
4075 (Output_section::add_input_section<64, false>): Add new parameter.
6e9ba2ca
ST		 4076 * output.h (Output_section::add_input_section): Add new parameter.
4077 (Output_section::input_section_order_specified): New
4078 method.
4079 (Output_section::set_input_section_order_specified): New method.
4080 (Input_section::Input_section): Initialize section_order_index_.
4081 (Input_section::section_order_index): New method.
4082 (Input_section::set_section_order_index): New method.
4083 (Input_section::section_order_index_): New member.
4084 (Input_section::Input_section_sort_section_order_index_compare): New
4085 struct.
4086 (Output_section::input_section_order_specified_): New member.
4087 * script-sections.cc (is_wildcard_string): Delete and move modified
4088 method to gold.h.
4089 (Output_section_element_input::Output_section_element_input): Modify
4090 call to is_wildcard_string.
4091 (Output_section_element_input::Input_section_pattern
4092 ::Input_section_pattern): Ditto.
4093 (Output_section_element_input::Output_section_element_input): Ditto.
4094 * testsuite/Makefile.am (final_layout): New test case.
4095 * testsuite/Makefile.in: Regenerate.
4096 * testsuite/final_layout.cc: New file.
4097 * testsuite/final_layout.sh: New file.
4098
3537c84b
RÁE		 40992010-06-01 Rafael Espindola <espindola@google.com>
4100
4101 * plugin.cc (Plugin::load): Pass the output name to the plugin.
4102
105b6afd
RÁE		 41032010-06-01 Rafael Espindola <espindola@google.com>
4104
4105 * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
4106 visibility of symbols.
4107
29e11421
DK		 41082010-05-27 Doug Kwan <dougkwan@google.com>
4109
4110 * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
4111 from start of output section instead of address for a local symbol
4112 in a merged or relaxed section when doing a relocatable link.
4113
5e0f337e
RÁE		 41142010-05-26 Rafael Espindola <espindola@google.com>
4115
4116 PR 11604
4117 * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
4118 adding sections the garbage collector removed.
4119 * gold/testsuite/Makefile.am: Add test.
4120 * gold/testsuite/Makefile.in: Regenerate.
4121 * gold/testsuite/plugin_test_7.sh: New.
4122 * gold/testsuite/plugin_test_7_1.c: New.
4123 * gold/testsuite/plugin_test_7_2.c: New.
4124
f4187277
RÁE		 41252010-05-26 Rafael Espindola <espindola@google.com>
4126
4127 * script-sections.cc (Output_section_definition::set_section_addresses):
4128 Check for --section-start.
4129
5c388529
DK		 41302010-05-26 Doug Kwan <dougkwan@google.com>
4131
4132 * arm.cc (Arm_scan_relocatable_relocs): New class.
4133 (Target_arm::relocate_special_relocatable): New method.
4134 (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
4135 (Arm_relocate_functions::thumb_branch_common): Same.
4136 (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
4137 instead of Default_scan_relocatable_relocs.
4138 * target-reloc.h (relocate_for_relocatable): Let target handle
4139 relocation strategy Relocatable_relocs::RELOC_SPECIAL.
4140 * target.h (Sized_target::relocate_special_relocatable): New method.
4141
bca1c3ae
ILT		 41422010-05-25 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4143
4144 * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
4145
0439c796
DK		 41462010-05-23 Doug Kwan <dougkwan@google.com>
4147
4148 * arm.cc (Arm_input_section::do_output_offset): Use convert_types
4149 instead of a cast.
4150 (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
4151 with a direct branch, not a conditional branch, to a stub.
4152 * merge.cc (Output_merge_base::record_input_section): New method
4153 defintion.
4154 (Output_merge_data::do_add_input_section): Record input section if
4155 keeps-input-sections flag is set.
4156 (Output_merge_string::do_add_input_section): Ditto.
4157 * merge.h (Output_merge_base::Output_merge_base): Initialize new data
4158 members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
4159 INPUT_SECTIONS_.
4160 (Output_merge_base::keeps_input_sections,
4161 Output_merge_base::set_keeps_input_sections,
4162 Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
4163 method definitions.
4164 (Output_merge_base::Input_sections): New type declaration.
4165 (Output_merge_base::input_sections_begin,
4166 Output_merge_base::input_sections_end,
4167 Output_merge_base::do_set_keeps_input_sections): New method definitions.
4168 (Output_merge_base::bool keeps_input_sections_,
4169 Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
4170 Output_merge_base::input_sections_): New data members.
4171 (Output_merge_data::do_set_keeps_input_sections): New method
4172 defintion.
4173 (Output_merge_string::do_set_keeps_input_sections): Ditto.
4174 * output.cc (Output_section::Input_section::relobj): Move method
4175 defintion from class declaration to here and handle merge sections.
4176 (Output_section::Input_section::shndx): Ditto.
4177 (Output_section::Output_section): Remove initializations of removed
4178 data members and initialize new data member LOOKUP_MAPS_.
4179 (Output_section::add_input_section): Set keeps-input-sections flag
4180 for a newly created merge output section as appropriate. Adjust code
4181 to use Output_section_lookup_maps class.
4182 (Output_section::add_relaxed_input_section): Adjst code for lookup
4183 maps code refactoring.
4184 (Output_section::add_merge_input_section): Add a new parameter
4185 KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps
4186 class. If adding input section to a newly created merge output
4187 section fails, remove the new merge section.
4188 (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
e1df38aa 4189 Adjust code for use of the Output_section_lookup_maps class.
0439c796
DK		 4190 (Output_section::find_merge_section): Ditto.
4191 (Output_section::build_lookup_maps): New method defintion.
4192 (Output_section::find_relaxed_input_section): Adjust code to use
4193 Output_section_lookup_maps class.
4194 (Output_section::get_input_sections): Export merge sections. Adjust
4195 code to use Output_section_lookup_maps class.
4196 (Output_section:::add_script_input_section): Adjust code to use
4197 Output_section_lookup_maps class. Update lookup maps for merge
4198 sections also.
4199 (Output_section::discard_states): Use Output_section_lookup_maps.
4200 (Output_section::restore_states): Same.
4201 * output.h (Merge_section_properties): Move class defintion out of
4202 Output_section.
4203 (Output_section_lookup_maps): New class.
4204 (Output_section::Input_section::is_merge_section): New method
4205 defintion.
4206 (Output_section::Input_section::relobj): Move defintion out of class
4207 defintion. Declare method only.
4208 (Output_section::Input_section::shndx): Ditto.
4209 (Output_section::Input_section::output_merge_base): New method defintion.
4210 (Output_section::Input_section::u2_.pomb): New union field.
4211 (Output_section::Merge_section_by_properties_map,
4212 Output_section::Output_section_data_by_input_section_map,
4213 Output_section::Ouptut_relaxed_input_section_by_input_section_map):
4214 Remove types.
4215 (Output_section::add_merge_input_section): Add new parameter
4216 KEEPS_INPUT_SECTIONS.
4217 (Output_section::build_lookup_maps): New method declaration.
4218 (Output_section::merge_section_map_,
4219 Output_section::merge_section_by_properties_map_,
4220 Output_section::relaxed_input_section_map_,
4221 Output_section::is_relaxed_input_section_map_valid_): Remove data
4222 members.
4223 (Output_section::lookup_maps_): New data member.
4224
76295588
L		 42252010-05-21 Doug Kwan <dougkwan@google.com>
4226
4227 PR gold/11619
4228 * arm.cc (Arm_input_section::do_output_offset): Add a cast to
4229 avoid a compilation error.
4230
d103a984
RÁE		 42312010-05-19 Rafael Espindola <espindola@google.com>
4232
4233 * script-sections.cc (Output_section_definition::allocate_to_segment):
4234 Update the phdrs_list even when the output section is NULL.
4235 * testsuite/Makefile.am: Add test.
4236 * testsuite/Makefile.in: Regenerate.
4237 * testsuite/script_test_9.cc: New.
4238 * testsuite/script_test_9.sh: New.
4239 * testsuite/script_test_9.t: New.
4240
6625d24e
DK		 42412010-05-19 Doug Kwan <dougkwan@google.com>
4242
4243 * arm.cc (Arm_input_section::original_size): New method.
4244 (Arm_input_section::do_addralign): Add a cast.
4245 (Arm_input_section::do_output_offset): Remove static cast.
4246 (Arm_input_section::original_addralign,
4247 Arm_input_section::original_size_): Change type to uint32_t.
4248 (Arm_input_section::init): Add safe casts for section alignment
4249 and size.
4250 (Arm_input_section::set_final_data_size): Do not set address and
4251 offset of stub table.
4252 (Arm_output_section::fix_exidx_coverage): Change use of of
4253 Output_section::Simple_input_section to that of
4254 Output_section::Input_section.
4255 (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
4256 except for the first pass.
4257 * output.cc (Output_section::get_input_sections): Change type of
4258 input_sections to std::list<Input_section>.
4259 (Output_section::add_script_input_section): Rename from
4260 Output_section::add_simple_input_section. Change type of SIS
4261 parameter from Simple_input_section to Input_section.
4262 * output.h (Output_section::Simple_input_section): Remove class.
4263 (Output_section::Input_section): Change class visibility to public.
4264 (Output_section::Input_section::addralign): Use stored alignments
4265 for special input sections if set.
4266 (Output_section::Input_section::set_addralign): New method.
4267 (Output_section::get_input_sections): Change parameter type from
4268 list of Simple_input_section to list of Input_section.
4269 (Output_section::add_script_input_section): Rename from
4270 Output_section::add_simple_input_section. Change first parameter's
4271 type from Simple_input_section to Input_section and remove the
4272 second and third parameters.
4273 * script-sections.cc (Input_section::Input_section_list): Change
4274 type to list of Output_section::Input_section/
4275 (Input_section_info::Input_section_info): Change parameter type of
4276 INPUT_SECTION to Output_section::Input_section.
4277 (Input_section_info::input_section): Change return type.
4278 (Input_section_info::input_section_): Change type to
4279 Output_section::Input_section.
4280 (Output_section_element_input::set_section_addresses): Adjust code
4281 to use Output_section::Input_section instead of
4282 Output_section::Simple_input_section. Adjust code for renaming
4283 of Output_section::add_simple_input_section.
4284 (Orphan_output_section::set_section_addresses): Ditto.
4285
e1e82ea4
RW		 42862010-05-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4287
4288 * gold.h (Unordered_multimap, Unordered_map): Fix defines for
4289 when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
4290
91e75c8a
RÁE		 42912010-05-18 Rafael Espindola <espindola@google.com>
4292
4293 * options.cc (General_options::finalize): Handle -nostdlib.
4294 * options.h (nostdlib): New option.
4295 * script.cc (script_add_search_dir): Handle -nostdlib.
4296
da59ad79
DK		 42972010-05-12 Doug Kwan <dougkwan@google.com>
4298
4299 * arm.cc (Target_arm::do_finalize_sections): Create an empty
4300 attributes section only if there no attributes section after merging.
4301 (Target_arm::merge_object_attributes): Move value of
e1df38aa 4302 Tag_MPextension_use_legacy to that of Tag_MPextension_use.
da59ad79
DK		 4303 Handle Tag_DIV_use and Tag_MPextension_use_legacy.
4304 * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
4305 (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
4306 and arm_attr_merge_7.stdout.
4307 (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
4308 arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
4309 arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
4310 arm_attr_merge_7b.o): New rules.
4311 (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
4312 arm_attr_merge_7
4313 * testsuite/Makefile.in: Regenerate.
4314 * testsuite/arm_attr_merge.sh: New file.
4315 * testsuite/arm_attr_merge_[67][ab].s: Same.
4316
3e01a7fd
NC		 43172010-05-05 Nick Clifton <nickc@redhat.com>
4318
4319 * po/es.po: Updated Spanish translation.
4320
7ad2014a
L		 43212010-04-27 H.J. Lu <hongjiu.lu@intel.com>
4322
4323 * Makefile.am (install-exec-local): Properly install gold as
4324 default cross linker.
4325 * Makefile.in: Regenerated.
4326
4fda8867
NC		 43272010-04-27 H.J. Lu <hongjiu.lu@intel.com>
4328 Nick Clifton <nickc@redhat.com>
4329
4330 * configure.ac (install_as_default): Define and set to false
4331 unless --enable-gold or --enable-gold=both/gold has been
4332 specified.
4333 * configure: Regenerate.
4334
4335 * Makefile.am (install-exec-local): Install the executable as
4336 'ld.gold'. If install_as_default is true then also install it as
4337 'ld'.
4338 * Makefile.in: Regenerated.
4339
bd288ea2
ILT		 43402010-04-24 Ian Lance Taylor <iant@google.com>
4341
4342 * layout.cc (Layout::layout_reloc): In relocatable link don't
4343 combine reloc sections for grouped sections.
4344
ef38fd8a
ST		 43452010-04-23 Sriraman Tallam <tmsriram@google.com>
4346
4347 * gc.h (gc_process_relocs): Pass information on relocs pointing to
4348 sections that are not ordinary to icf.
4349 * icf.cc (get_section_contents): Handle relocation pointing to section
4350 with no object or shndx information.
4351 * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
4352 * testsuite/Makefile.in: Regenerate.
4353 * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
4354 * testsuite/icf_virtual_function_folding_test.sh: Delete file.
4355
f6973bdc
ILT		 43562010-04-22 Ian Lance Taylor <iant@google.com>
4357
4358 * expression.cc (Expression::Expression_eval_info): Add
4359 result_alignment_pointer field.
4360 (Expression::eval_with_dot): Add result_alignment_pointer
4361 parameter. Change all callers.
4362 (Expression::eval_maybe_dot): Likewise.
4363 (class Binary_expression): Add alignment_pointer parameter to
4364 left_value and right_value. Change all callers.
4365 (BINARY_EXPRESSION): Set result alignment.
4366 (class Trinary_expression): Add alignment_pointer parameter to
4367 arg2_value and arg3_value. Change all callers.
4368 (Trinary_cond::value): Set result alignment.
4369 (Max_expression::value, Min_expression::value): Likewise.
4370 (Align_expression::value): Likewise.
4371 * script-sections.cc (class Sections_element): Add dot_alignment
4372 parameter to set_section_addresses virtual function. Update
4373 instantiations.
4374 (class Output_section_element): Likewise.
4375 (Script_sections::create_segments): Add dot_alignment parameter.
4376 Change all callers.
4377 (Script_sections::create_segments_from_phdrs_clause): Likewise.
4378 (Script_sections::set_phdrs_clause_addresses): Likewise.
4379 * script-sections.h: Update declarations.
4380 * script.h: Update declarations.
4381 * output.h (Output_segment::set_minimum_p_align): Don't decrease
4382 min_p_align.
4383 * testsuite/script_test_3.t: Set large alignment.
4384 * testsuite/script_test_3.sh: Make sure that at least one LOAD
4385 segment has expected alignment.
4386
9c9c98a5
NC		 43872010-04-22 Nick Clifton <nickc@redhat.com>
4388
4389 * po/gold.pot: Updated by the Translation project.
4390 * po/vi.po: Updated Vietnamese translation.
4391
2253bfba
L		 43922010-04-22 H.J. Lu <hongjiu.lu@intel.com>
4393
4394 * testsuite/Makefile.am (check_PROGRAMS): Add
4395 icf_virtual_function_folding_test.
4396 * testsuite/Makefile.in: Regenerated.
4397
85fdf906
AH		 43982010-04-15 Andrew Haley <aph@redhat.com>
4399
4400 * options.h (merge_exidx_entries): New option.
4401 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
4402 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
4403 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
4404 (Target_arm::merge_exidx_entries): New function.
4405 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
4406 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
4407 to Arm_exidx_fixup constructor.
4408 Add new arg, merge_exidx_entries.
4409 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
4410 Arm_output_section::fix_exidx_coverage.
4411
ce97fa81
ST		 44122010-04-18 Sriraman Tallam <tmsriram@google.com>
4413
4414 * icf.cc (get_section_contents): Check for preemptible functions.
4415 Ignore addend when appropriate.
4416 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
4417 section folded.
4418 (add_from_relobj): Check for section folded.
4419 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
4420 * symtab.h (should_add_dynsym_entry): Add new parameter.
4421 * target-reloc.h (scan_relocs): Check for section folded.
4422 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
4423 Check reloc types for function pointers in shared objects.
4424 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
4425 case.
4426 (icf_preemptible_functions_test): New test case.
4427 (icf_string_merge_test): New test case.
4428 * testsuite.Makefile.in: Regenerate.
4429 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
4430 bar_glob. Refactor code.
4431 * testsuite/icf_preemptible_functions_test.cc: New file.
4432 * testsuite/icf_preemptible_functions_test.sh: New file.
4433 * testsuite/icf_string_merge_test.cc: New file.
4434 * testsuite/icf_string_merge_test.sh: New file.
4435 * testsuite/icf_virtual_function_folding_test.cc: New file.
4436 * testsuite/icf_virtual_function_folding_test.sh: New file.
4437
04ceb17c
DK		 44382010-04-14 Doug Kwan <dougkwan@google.com>
4439
4440 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
4441 for local symbol recounting if we remove a section due to ICF.
4442 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
4443 there are no regular objects in input.
4444
153e7da4
DK		 44452010-04-13 Doug Kwan <dougkwan@google.com>
4446
4447 * arm.cc (Arm_input_section::set_final_data_size): Compute
4448 accurate final data size instead of using current data size.
4449
4dbd9faf
DK		 44502010-04-09 Doug Kwan <dougkwan@google.com>
4451
4452 * layout.cc (Layout::choose_output_section): Handle script section
4453 types.
4454 (Layout::make_output_section_for_script): Add section type parameter.
4455 Handle script section types.
4456 * layout.h (Layout::make_output_section_for_script): Add section
4457 type parameter.
4458 * output.cc (Output_section::Output_section): Initialize data member
4459 is_noload_.
4460 (Output_section::do_reset_address_and_file_offset): Do not set address
4461 to 0 if section is a NOLOAD section.
4462 * output.h (Output_section::is_noload): New method.
4463 (Output_section::set_is_noload): Ditto.
4464 (Output_section::is_noload_): New data member.
4465 * script-c.h (Script_section_type): New enum type.
4466 (struct Parser_output_section_header): Add new file section_type.
4467 * script-sections.cc (Sections_element::output_section_name): Add
4468 parameter for returning script section type.
4469 (Output_section_definition::output_section_name): Ditto.
4470 (Output_section_definition::section_type)P; New method.
4471 (Output_section_definiton::script_section_type_name): Ditto.
4472 (Output_section_definition::script_section_type_): New data member.
4473 (Output_section_definition::Output_section_definition): Initialize
4474 data member Output_section_definition::script_section_type_.
4475 (Output_section_definition::create_sections): Pass script section type
4476 to Layout::make_output_section_for_script.
4477 (Output_section_definition::output_section_name): Return script
4478 section type to caller.
4479 (Output_section_definition::set_section_address): Do not advance
4480 dot value and load address if section type is NOLOAD. Set address
4481 of NOLOAD sections regardless of section flags.
4482 (Output_section_definition::print): Print section type if it is
4483 not SCRIPT_SECTION_TYPE_NONE.
4484 (Output_section_definition::section_type): New method.
4485 (Output_section_definition::script_section_type_name): Ditto.
4486 (Script_sections::output_section_name): Add new parameter
4487 PSECTION_TYPE for returning script section type. Pass it to
4488 section elements. Handle discard sections.
4489 (Sort_output_sections::operator()): Handle NOLOAD sections.
4490 * script-sections.h (Script_sections::Section_type): New enum type.
4491 (Script_sections::output_section_name): Add a new parameter for
4492 returning script section type.
4493 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4494 INFO and NOLOAD.
4495 * yyscript.y (union): Add new field SECTION_TYPE.
4496 (COPY, DSECT, INFO, NOLOAD): New tokens.
4497 (opt_address_and_section_type): Change type to output_section_header.
4498 (section_type): New non-terminal
4499 (section_header): Handle section type.
2253bfba 4500 (opt_address_and_section_type): Return section type value.
4dbd9faf 4501
721ea635
L		 45022010-04-09 H.J. Lu <hongjiu.lu@intel.com>
4503
4504 * testsuite/plugin_common_test_1.c (foo): Add prototype.
4505 * testsuite/plugin_common_test_2.c (foo): Likewise.
4506
6bf924b0
DK		 45072010-04-08 Doug Kwan <dougkwan@google.com>
4508
4509 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4510 Output_merge_data.
4511 * output.cc (Output_section::add_merge_input_section): Simplify
4512 code and return status of Output_merge_base::add_input_section.
e1df38aa 4513 Update merge section map only if Output_merge_base::add_input_section
6bf924b0
DK		 4514 returns true.
4515
24af6f92
DK		 45162010-04-07 Doug Kwan <dougkwan@google.com>
4517
4518 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4519 if section is marked as containing instructions but has no mapping
4520 symbols.
4521 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4522 correct section index.
4523 (Arm_relobj::find_linked_text_section): Ditto.
4524
00698fc5
CC		 45252010-04-07 Cary Coutant <ccoutant@google.com>
4526
4527 * archive.cc (include_member): Destroy Read_symbols_data object before
4528 releasing file.
4529 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4530 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4531 (Read_symbols_data::~Read_symbols_data) New destructor.
4532 (Section_relocs::Section_relocs) New constructor.
4533 (Section_relocs::~Section_relocs) New destructor.
4534 (Read_relocs_data::Read_relocs_data) New constructor.
4535 (Read_relocs_data::~Read_relocs_data) New destructor.
4536 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4537 pointers to NULL after deleting.
4538
7296d933
DK		 45392010-04-07 Doug Kwan <dougkwan@google.com>
4540
4541 * arm.cc: Replace "endianity" with "endianness" in comments.
4542 (Arm_exidx_cantunwind): Ditto.
4543 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4544 (Arm_relobj::merge_flags_and_attributes): New method.
4545 (Arm_relobj::merge_flags_and_attributes_): New data member.
4546 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4547 (Arm_relobj::scan_sections_for_stubs): Ditto.
4548 (Arm_relobj::do_read_symbols): Check to see if we really want to
4549 merge processor-specific flags and attributes. Exit early if
4550 an object is empty except for section names and the undefined symbol.
4551 (Target_arm::do_finalize_sections): Move check for ELF format to
4552 Arm_relobj::do_read_symbols. Merge processor specific flags and
4553 attributes from a regular object only when we have determined that
4554 it is aapropriate. Do not create an .ARM.attributes section in
4555 output if there is no regular input object.
4556 (Target_arm::merge_processor_specific_flags): Check
4557 --warn-mismatch before printing any error.
4558 (Target_arm::merge_object_attributes): Ditto.
4559 * gold.cc (queue_middle_tasks): Handle the case in which there is
4560 no regular object in input.
4561 * options.cc (General_options::parse_EB): New method.
4562 (General_options::parse_EL): Same.
4563 (General_options::General_options): Initialize endianness_.
4564 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4565 New options.
4566 (General_options::Endianness): New enum.
4567 (General_options::endianness): New method.
4568 (General_options::endianness_): New data member.
4569 * parameters.cc (Parameters::set_options): Check target endianness.
4570 (Parameters::set_target_once): Ditto.
4571 (Parameters::check_target_endianness): New method.
4572 (parameters_force_valid_target): If either -EL or -EB is specified,
4573 use it to define endianness of default target.
4574 * parameters.h (Parameters::check_target_endianness): New method
4575 declaration.
4576 * target.h (class Target): Change "endianity" to "endianness"
4577 in comments.
4578
efc8d4f2
RW		 45792010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4580
4581 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4582 * configure: Regenerate.
4583 * Makefile.in: Regenerate.
4584 * testsuite/Makefile.in: Regenerate.
4585
be234d88
CC		 45862010-04-06 Cary Coutant <ccoutant@google.com>
4587
4588 gcc PR lto/42757
4589 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4590 prevailing definitions of common symbols.
4591 * testsuite/plugin_test_6.sh: New test case.
4592 * testsuite/plugin_common_test_1.c: New test case.
4593 * testsuite/plugin_common_test_2.c: New test case.
4594 * testsuite/Makefile.am (plugin_test_6): New test case.
4595 * testsuite/Makefile.in: Regenerate.
4596
bd32c6bd
NC		 45972010-04-06 Nick Clifton <nickc@redhat.com>
4598
4599 * po/vi.po: New Vietnamese translation.
4600
323c532f
DK		 46012010-03-30 Doug Kwan <dougkwan@google.com>
4602
4603 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4604
4fcd97eb
DK		 46052010-03-25 Doug Kwan <dougkwan@google.com>
4606
4607 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4608 to avoid a conversion warning on a 32-bit host.
4609
4ebf39db
ILT		 46102010-03-24 Ian Lance Taylor <iant@google.com>
4611
4612 * testsuite/script_test_3.t: Add a TLS segment.
4613 * testsuite/Makefile.am (check_PROGRAMS): Add
4614 tls_phdrs_script_test.
4615 (tls_phdrs_script_test_SOURCES): Define.
4616 (tls_phdrs_script_test_DEPENDENCIES): Define.
4617 (tls_phdrs_script_test_LDFLAGS): Define.
4618 (tls_phdrs_script_test_LDADD): Define.
4619 * testsuite/Makefile.in: Rebuild.
4620
4a599bdd
CC		 46212010-03-23 Cary Coutant <ccoutant@google.com>
4622
4623 * fileread.cc (find_or_make_view): Fix comment.
4624
6c93b22c
ILT		 46252010-03-23 Ian Lance Taylor <iant@google.com>
4626
4627 * script-sections.cc (class Orphan_section_placement): Define
4628 PLACE_TLS and PLACE_TLS_BSS.
4629 (Orphan_section_placement::Orphan_section_placement): Initialize
4630 new places.
4631 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4632 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4633 (tls_script_test_SOURCES): Define.
4634 (tls_script_test_DEPENDENCIES): Define.
4635 (tls_script_test_LDFLAGS): Define.
4636 (tls_script_test_LDADD): Define.
4637 * testsuite/Makefile.in: Rebuild.
4638
a2c7281b
DK		 46392010-03-22 Doug Kwan <dougkwan@google.com>
4640
4641 * arm.cc (Arm_relocate_functions::abs8,
4642 Arm_relocate_functions::abs16): Use correct check for overflow
4643 specified in the ARM ELF specs.
4644 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
4645 target of a BLX instruction specially.
4646 (Reloc_stub::stub_type_for_reloc): Ditto.
4647 (Relocate::relocate): Use symbolic names instead of numeric relocation
4648 codes to report error.
4649 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4650 workaround.
4651 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4652 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4653 thumb2_blx_out_of_range.stdout
4654 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4655 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4656 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4657 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4658 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4659 thumb2_blx_in_range, thumb2_blx_in_range.o,
4660 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4661 thumb2_blx_out_of_range.o): New rules.
4662 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4663 thumb2_blx_in_range and thumb2_blx_out_of_range.
4664 * testsuite/Makefile.in: Regenerate.
4665 * arm_branch_in_range.sh: Add tests for THUMB BLX.
4666 * testsuite/thumb_blx_in_range.s: New file.
4667 * testsuite/thumb_blx_out_of_range.s: New file.
4668
b0193076
RÁE		 46692010-03-22 Rafael Espindola <espindola@google.com>
4670
4671 * archive.cc (Should_include): Move to archive.h.
4672 (should_include_member): Make it a member of Archive.
4673 (Lib_group): New.
4674 (Add_lib_group_symbols): New.
4675 * archive.h: Include options.h.
4676 (Archive_member): Moved from Archive.
4677 (Should_include): Moved from archive.cc.
4678 (Lib_group): New.
4679 (Add_lib_group_symbols): New.
4680 * dynobj.cc (do_should_include_member): New.
4681 * dynobj.h (do_should_include_member): New.
4682 * gold.cc (queue_initial_tasks): Update call to queue.
4683 * main.cc (main): Print lib group stats.
4684 * object.cc (do_should_include_member): New.
4685 * object.h: Include archive.h.
4686 (Object::should_include_member): New.
4687 (Object::do_should_include_member): New.
4688 (Sized_relobj::do_should_include_member): New.
4689 * options.cc (General_options::parse_start_lib): New.
4690 (General_options::parse_end_lib): New.
4691 (Input_arguments::add_file): Handle lib groups.
4692 (Input_arguments::start_group): Check we are not in a lib.
4693 (Input_arguments::start_lib): New.
4694 (Input_arguments::end_lib): New.
4695 * options.h (General_options): Add start_lib and end_lib.
4696 (Input_argument::lib_): New.
4697 (Input_argument::lib): New.
4698 (Input_argument::is_lib): New.
4699 (Input_file_lib): New.
4700 (Input_arguments::in_lib_): New.
4701 (Input_arguments::in_lib): New.
4702 (Input_arguments::start_lib): New.
4703 (Input_arguments::end_lib_): New.
4704 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4705 in unused members as preempted.
4706 (Sized_pluginobj::do_should_include_member): New.
4707 * plugin.h (Sized_pluginobj::do_should_include_member): New.
4708 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4709 return the blocker.
4710 (Read_symbols::do_whole_lib_group): New.
4711 (Read_symbols::do_lib_group): New.
4712 (Read_symbols::do_read_symbols): Handle lib groups.
4713 (Read_symbols::get_name): Handle lib groups.
4714 * readsyms.h (Read_symbols): Add an archive member pointer.
4715 (Read_symbols::do_whole_lib_group): New.
4716 (Read_symbols::do_lib_group): New.
4717 (Read_symbols::member_): New.
4718 * script.cc (read_input_script): Update call to queue_soon.
4719
d099120c
DK		 47202010-03-19 Doug Kwan <dougkwan@google.com>
4721
4722 * arm.cc (Stub_table::Stub_table): Initialize new data members
4723 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4724 (Stub_table::add_reloc_stub): Assign stub offset and update
4725 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4726 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4727 New data members.
4728 (Stub_table::update_data_size_and_addralign): Use
4729 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4730 instead of going over all reloc stubs.
4731 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4732 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4733 Stringpool_template::offset_ to size of Stringpool_char.
4734 (Stringpool_template::new_key_offset): Remove code to initialize
4735 Stringpool_template::offset_.
4736 * stringpool.h (Stringpool_template::set_no_zero_null): Set
4737 Stringpool_template::offset_ to zero.
4738
1aa37384
DK		 47392010-03-15 Doug Kwan <dougkwan@google.com>
4740
4741 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4742 offset_.
4743 (Stringpool_template::new_key_offset): New method.
4744 (Stringpool_template::add_string): Assign offsets when adding new
4745 strings.
4746 (Stringpool_template::set_string_offsets): Do not set string offsets
4747 when not optimizing.
4748 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4749 member size_.
4750 (Chunked_vector::clear): Clear size_.
4751 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4752 (Chunked_vector::size): Return size_.
4753 (Chunked_vector::push_back): Use size_ to find insert position.
e1df38aa 4754 (Chunked_vector::size_): New data member.
1aa37384
DK		 4755 (Stringpool_template::set_no_zero_null): Assert string set is empty.
4756 (Stringpool_template::new_key_offset): New method declaration.
4757 (Stringpool_template::offset_): New data member.
4758
b672b057
RÁE		 47592010-03-15 Rafael Espindola <espindola@google.com>
4760
4761 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4762 Add_symbols' constructor.
4763 * readsyms.h (Add_symbols): Remove the input_group member.
4764
b6848d3c
ILT		 47652010-03-10 Ian Lance Taylor <iant@google.com>
4766
4767 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4768 target to ask whether a reference to a symbol requires a stack
4769 split.
4770 * target.h (Target::is_call_to_non_split): New function.
4771 (Target::do_is_call_to_non_split): Declare virtual function.
4772 * target.cc: Include "symtab.h".
4773 (Target::do_is_call_to_non_split): New function.
4774 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4775
a2a5469e
CC		 47762010-03-10 Cary Coutant <ccoutant@google.com>
4777
4778 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4779 (File_read::open[1]): Remove initial mapping of whole_file_view_.
4780 (File_read::open[2]): Add whole_file_view_ to list of views.
4781 (File_read::make_view): Remove test of whole_file_view_.
4782 (File_read::find_or_make_view): Create whole_file_view_ if
4783 necessary.
4784 (File_read::clear_views): Replace bool parameter with enum;
4785 adjust all callers. Don't delete views with permanent data;
4786 do delete cached views and views from archives if
4787 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
4788 if clearing the corresponding view.
4789 * fileread.h (File_read::Clear_views_mode): New enum.
4790 (File_read::View::is_permanent_view): New method.
4791 (File_read::clear_views): Replace bool parameter
4792 with enum; adjust all callers.
4793 * options.h (General_options): Change keep_files_mapped option;
4794 add map_whole_files.
4795 * readsyms.cc (Add_symbols::run): Delete sd_ object before
4796 releasing the file.
4797 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4798 the file.
4799
8861f32b
DM		 48002010-03-10 David S. Miller <davem@davemloft.net>
4801
4802 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4803
d62d0f5f
ST		 48042010-03-09 Sriraman Tallam <tmsriram@google.com>
4805
4806 * icf.cc (get_section_contents): Add '@' marker after processing the
4807 merge reloc.
4808
9177756d
DK		 48092010-03-08 Doug Kwan <dougkwan@google.com>
4810
4811 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4812 due to a conversion warning.
4813 (Arm_relobj::update_output_local_symbol_count): Check for local
4814 symbol with unset output index.
4815
9e9e071b
ILT		 48162010-03-05 Ian Lance Taylor <iant@google.com>
4817
4818 * options.h (class General_options): Add --spare-dynamic-tags.
4819 * output.cc (Output_data_dynamic::set_final_data_size): Implement
4820 --spare-dynamic-tags.
4821
a81ee015
ILT		 48222010-03-05 Ian Lance Taylor <iant@google.com>
4823
4824 * incremental.cc: Include "libiberty.h".
4825
44ec90b9
RO		 48262010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4827
4828 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4829 function, is_info_ member.
4830 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4831 (Versions::Versions): Update caller.
4832 (Versions::define_base_version): Likewise.
4833 (Versions::add_def): Likewise.
4834
0897ed3b
ST		 48352010-03-03 Sriraman Tallam <tmsriram@google.com>
4836
4837 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4838 (Scan::possible_function_pointer_reloc): New function.
4839 (Scan::local_reloc_may_be_function_pointer): Change to call
4840 possible_function_pointer_reloc.
4841 (Scan::global_reloc_may_be_function_pointer): Ditto.
4842 * icf.h (Icf::check_section_for_function_pointers): Change to reject
4843 relocations in ".data.rel.ro._ZTV" section.
4844 * testsuite/icf_safe_so_test.sh: Change to pass i386.
4845 * testsuite/icf_safe_so_test.cc: Ditto.
4846 * testsuite/icf_safe_test.cc: Ditto.
4847 * testsuite/icf_safe_test.sh: Ditto.
4848
d3bbad62
ILT		 48492010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4850 Ian Lance Taylor <iant@google.com>
4851
4852 * target-reloc.h (relocate_section): Check the symbol table index
4853 for -1U before setting the local symbol index.
4854 (scan_relocatable_relocs): If copying the relocation, record that
4855 the local symbol is required.
4856 * object.h (Symbol_value::is_output_symtab_index_set): New
4857 function.
4858 (Symbol_value::may_be_discarded_from_output_symtab): New
4859 function.
4860 (Symbol_value::has_output_symtab_entry): New function.
4861 (Symbol_value::needs_output_symtab_entry): Remove.
4862 (Symbol_value::output_symtab_index): Make sure the symbol index is
4863 set.
4864 (Symbol_value::set_output_symtab_index): Make sure the symbol
4865 index is not set. Make sure the new index is valid.
4866 (Symbol_value::set_must_have_output_symtab_entry): New function.
4867 (Symbol_value::has_output_dynsym_entry): New function.
4868 (Symbol_value::set_output_dynsym_index): Make sure the new index
4869 is valid.
4870 (Sized_relobj::set_must_have_output_symtab_entry): New function.
4871 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4872 local symbol if permitted.
4873 (Sized_relobj::do_finalize_local_symbols): Call
4874 is_output_symtab_index_set rather than needs_output_symtab_entry.
4875 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4876 rather than needs_output_symtab_entry. Call
4877 has_output_dynsym_entry rather than needs_output_dynsym_entry.
4878 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4879 is_output_symtab_index_set rather than needs_output_symtab_entry.
4880 * testsuite/discard_locals_relocatable_test.c: New file.
4881 * testsuite/discard_locals_test.sh: Test -r.
4882 * testsuite/Makefile.am (check_DATA): Add
4883 discard_locals_relocatable_test1.syms,
4884 discard_local_relocatable_test2.syms.
4885 (MOSTLYCLEANFILES): Likewise. Also add
4886 discard_locals_relocatable_test1.lout and
4887 discard_locals_relocatable_test2.out.
4888 (discard_locals_relocatable_test1.syms): New target.
4889 (discard_locals_relocatable_test.o): New target.
4890 (discard_locals_relocatable_test1.out): New target.
4891 (discard_locals_relocatable_test2.syms): New target.
4892 (discard_locals_relocatable_test2.out): New target.
4893 (various): Add missing ../ld-new dependencies.
4894 * testsuite/Makefile.in: Rebuild.
4895
7e8ccf26
NC		 48962010-03-03 Nick Clifton <nickc@redhat.com>
4897
4898 * po/fi.po: New Finnish translation.
4899
2a0ff005
DK		 49002010-03-01 Doug Kwan <dougkwan@google.com>
4901
4902 * layout.cc (Layout::Layout): Force section types of .init_array*,
4903 .preinit_array* and .fini_array* sections.
4904 * output.cc (Output_section::Input_section_sort_entry::has_priority):
4905 Fix check of return value of std::string::find.().
4906 (Output_section::Input_section_sort_compare::operator()): Remove
4907 comment about .init_array.
4908 (Output_section::Input_section_sort_init_fini_compare::operator()):
4909 New method.
4910 (Output_section::sort_attached_input_sections): Handle .init_array
4911 and .fini_array specially.
4912 * output.h (Output_section::Inut_section_sort_compare): Update
4913 comment.
4914 (Output_section::Input_section_sort_init_fini_compare): New struct.
4915
c3e4ae29
DK		 49162010-02-26 Doug Kwan <dougkwan@google.com>
4917
4918 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4919 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4920 * testsuite/debug_msg.sh: Avoid matching source line number for
4921 use of global variable undef_int.
4922
2fd9ae7a
DK		 49232010-02-26 Doug Kwan <dougkwan@google.com>
4924
4925 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4926 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4927 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4928 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4929 * options.cc (General_options::General_options): Initialize member
4930 fix_v4bx_.
4931 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4932 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4933 and rm_no_fix_v4bx.stdout
4934 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4935 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4936 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4937 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4938 and arm_no_fix_v4bx.
4939 * Makefile.in: Regenerate.
4940 * testsuite/arm_fix_v4bx.s: New file.
4941 * testsuite/arm_fix_v4bx.sh: Ditto.
4942
67ec7d0b
DK		 49432010-02-24 Doug Kwan <dougkwan@google.com>
4944
4945 * arm.cc (Target_arm::got_section): Make the .got section the first
4946 non RELRO section in the data segment.
4947 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4948 suffixes of section names.
4949
10165461
DK		 49502010-02-24 Doug Kwan <dougkwan@google.com>
4951
4952 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4953 flags and attributes merging if an input file is a binary file.
4954 * fileread.cc (Input_file::open): Record format of original file.
4955 * fileread.h (Input_file::Format): New enum type.
4956 (Input_file::Input_file): Initialize data member format_.
4957 (Input_file::format): New method definition.
4958 (Input_file::format_):: New data member.
4959
4a54abbb
DK		 49602010-02-24 Doug Kwan <dougkwan@google.com>
4961
4962 * arm.cc (Arm_output_data_got): New class.
4963 (ARM_TCB_SIZE): New constant
4964 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4965 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4966 If user uses a script with a SECTIONS clause, issue only a warning
4967 for a misplaced EXIDX input section. Otherwise, issue an error.
4968 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4969 garbage collection.
4970 (Target_arm::got_mode_index_entry): Handle static linking.
4971 (Target_arm::Scan::local): Ditto.
4972 (Target_arm::Scan::global): Ditto.
4973 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
4974 all incorrectly implemented relocations.
e1df38aa 4975 (Target_arm::fix_exidx_coverage): Pass layout to
4a54abbb
DK		 4976 Arm_output_section::fix_exidx_coverage.
4977 * layout.cc (Layout::section_name_mapping): Remove trailing dots
4978 from ".ARM.exidx." and ".ARM.extab.".
4979
ca419a6f
ILT		 49802010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4981
4982 * arm.cc (Target_arm::do_finalize_sections): Create attribute
4983 section if it does not already exist.
4984 * attributes.cc (Attributes_section_data::Attributes_section_data):
4985 Don't crash if size is zero.
4986
135b9c78
ILT		 49872010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4988 Ian Lance Taylor <iant@google.com>
4989
4990 * gold.cc (queue_middle_tasks): If no input files were opened,
4991 exit.
4992 * workqueue.h (Task_function::Task_function): Assert that there is
4993 a blocker.
4994
bb0bfe4f
DK		 49952010-02-22 Doug Kwan <dougkwan@google.com>
4996
4997 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4998 * icf.cc (get_section_contents): Cast snprintf arguments to long long
4999 types to avoid warnings due to different uint64_t implementations
5000 on different hosts.
5001
2a2b6d42
DK		 50022010-02-21 Doug Kwan <dougkwan@google.com>
5003
5004 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
5005 handling of the maximum backward branch offset.
5006 (Arm_relocate_functions::thumb_branch_common): Ditto.
5007 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
5008 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
e1df38aa 5009 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2a2b6d42
DK		 5010 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
5011 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
5012 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
5013 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
5014 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
5015 thumb_bl_out_of_range thumb_bl_out_of_range.o,
5016 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
5017 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
5018 thumb2_bl_out_of_range.o): New rules.
5019 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
5020 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
5021 thumb2_bl_out_of_range
5022 * testsuite/Makefile.in: Regenerate.
5023 * testsuite/arm_bl_in_range.s: New file.
5024 * testsuite/arm_bl_out_of_range.s: Ditto.
5025 * testsuite/arm_branch_in_range.sh: Ditto.
5026 * testsuite/arm_branch_range.t: Ditto.
5027 * testsuite/thumb2_branch_range.t: Ditto.
5028 * testsuite/thumb_bl_in_range.s: Ditto.
5029 * testsuite/thumb_bl_out_of_range.s: Ditto.
5030 * testsuite/thumb_branch_range.t: Ditto.
5031
b487ad64
ST		 50322010-02-20 Sriraman Tallam <tmsriram@google.com>
5033
5034 * gc.h (gc_process_relocs): Change vectors to point to the new list.
5035 Add reloc offset information.
5036 * icf.cc (get_section_contents): Change iterators to point to the new
5037 vectors. Add reloc offset information to the contents.
5038 * icf.h (Icf::Sections_reachable_info): New typedef.
5039 (Icf::Sections_reachable_list): New typedef.
5040 (Icf::Offset_info): New typedef.
5041 (Icf::Reloc_info): New struct typedef.
5042 (Icf::Reloc_info_list): New typedef.
5043 (Icf::symbol_reloc_list): Delete method.
5044 (Icf::addend_reloc_list): Delete method.
5045 (Icf::section_reloc_list): Delete method.
5046 (Icf::reloc_info_list): New method.
5047 (Icf::reloc_info_list_): New member.
5048
f96accdf
DK		 50492010-02-19 Doug Kwan <dougkwan@google.com>
5050
5051 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
5052 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
5053 * arm.cc (Arm_relocation_functions): New forward declaration.
5054 (Target_arm::Target_arm): Initialize new data members
5055 got_mod_index_offset_ and tls_base_symbol_defined_.
5056 (Target_arm::Relocate::relocate_tls): New method.
5057 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
5058 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
5059 New methods.
5060 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
5061 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
5062 (Target_arm::got_mod_index_offset_,
5063 Target_arm::tls_base_symbol_defined_): New data members.
5064 (Target_arm::Scan::local, Target::Scan::global,
5065 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
5066 relocations.
5067
c8761b9a
DK		 50682010-02-18 Doug Kwan <dougkwan@google.com>
5069
5070 * arm.cc (Arm_relobj::find_linked_text_section): New method.
5071 (Arm_relobj::make_exidx_input_section): Pass section index of linked
5072 text section as a parameter becuase some broken tools may not set
5073 the link in section header.
5074 (Target_arm::has_got_section): New method.
5075 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
5076 without any mapping symbol as data only. Remove warning.
5077 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
5078 link in its section header, try to discover the link by inspecting the
5079 REL31 relocation at the beginning of the section.
5080 (Target_arm::Scan::check_non_pic): Report name of offending relocation
5081 in error message.
5082 (Target_arm::Scan::global): Treat any reference to the symbol
5083 _GLOBAL_OFFSET_TABLE_ as a GOT access.
5084
21bb3914
ST		 50852010-02-12 Sriraman Tallam <tmsriram@google.com>
5086
5087 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
5088 (Scan::global_reloc_may_be_function_pointer): New function.
5089 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5090 (Scan::global_reloc_may_be_function_pointer): New function.
5091 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
5092 (Scan::global_reloc_may_be_function_pointer): New function.
5093 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
5094 (Scan::global_reloc_may_be_function_pointer): New function.
5095 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
5096 (Scan::global_reloc_may_be_function_pointer): New function.
5097 (Scan::possible_function_pointer_reloc): New function.
5098 (Target_x86_64::can_check_for_function_pointers): New function.
5099 * gc.h (gc_process_relocs): Scan relocation types to determine if
5100 function pointers were taken for targets that support it.
5101 * icf.cc (Icf::find_identical_sections): Include functions for
5102 folding in safe ICF whose pointer is not taken.
5103 * icf.h (Secn_fptr_taken_set): New typedef.
5104 (fptr_section_id_): New member.
5105 (section_has_function_pointers): New function.
5106 (set_section_has_function_pointers): New function.
5107 (check_section_for_function_pointers): New function.
5108 * options.h: Fix comment for safe ICF option.
5109 * target.h (can_check_for_function_pointers): New function.
5110 * testsuite/Makefile.am: Add icf_safe_so_test test case.
5111 Modify icf_safe_test for X86-64.
5112 * testsuite/Makefile.in: Regenerate.
5113 * testsuite/icf_safe_so_test.cc: New file.
5114 * testsuite/icf_safe_so_test.sh: New file.
5115 * testsuite/icf_safe_test.cc (kept_func_3): New function.
5116 (main): Change to take pointer to function kept_func_3.
5117 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
5118 folding is done correctly for X86-64.
5119
0da6fa6c
DM		 51202010-02-12 David S. Miller <davem@davemloft.net>
5121
5122 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
5123 is_symbolless parameter.
5124 (Output_reloc<SHT_REL>::is_symbolless): New.
5125 (Output_reloc<SHT_REL>::is_symbolless_): New.
5126 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
5127 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
5128 (Output_reloc<SHT_RELA>::is_symbolless): New.
5129 (Output_data_reloc::add_global): Handle is_symbolless.
5130 (Output_data_reloc::add_global_relative): Likewise.
5131 (Output_data_reloc::add_local): Likewise.
5132 (Output_data_reloc::add_local_relative): Likewise.
5133 (Output_data_reloc::add_symbolless_global_addend): New.
5134 (Output_data_reloc::add_symbolless_local_addend): New.
5135 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
5136 is_symbolless.
5137 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
5138 instead of ->is_relative_
5139 (Output_reloc::write): Likewise.
5140 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
5141 (Output_reloc::write_rel): Simplify.
5142
5143 * sparc.cc (Target_sparc::Scan::local): Use
5144 ->add_symbolless_local_addend as needed.
5145 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
5146 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
5147 based upon relocation offset.
5148
e4782e83
DK		 51492010-02-11 Doug Kwan <dougkwan@google.com>
5150
5151 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
5152 (Target_arm::Scan::global): Ditto. Also remove a comment before the
5153 beginning of function.
5154 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
5155 and MOVT_ABS relocations. Those are non issued in scanning. Fix
5156 parameter is_32bit in calls to should_apply_static_reloc.
5157 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
5158 (check_DATA): Add arm_abs_global.stdout.
5159 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
5160 arm_abs_global.stdout): New rules.
5161 (MOSTLLYCLEANFILES): Add arm_abs_global
5162 * Makefile.in: Regenerate.
5163 * testsuite/arm_abs_global.s: New file.
5164 * testsuite/arm_abs_global.sh: Ditto.
5165 * testsuite/arm_abs_lib.s: Ditto.
5166
93ceb764
ILT		 51672010-02-11 Ian Lance Taylor <iant@google.com>
5168
5169 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
5170 Read_relocs task.
5171 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
5172 Allocate_commons_task first.
5173 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
5174 task, rather than symtab_lock_.
5175 (Gc_process_relocs::~Gc_process_relocs): New function.
5176 (Gc_process_relocs::is_runnable): Check this_blocker_.
5177 (Gc_process_relocs::locks): Use next_blocker_ rather than
5178 blocker_.
5179 (Scan_relocs::~Scan_relocs): New function.
5180 (Scan_relocs::is_runnable): Check this_blocker_ rather than
5181 symtab_lock_.
5182 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
5183 next_blocker_.
5184 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
5185 fields. Add this_blocker_ and next_blocker_ fields. Adjust
5186 constructor accordingly.
5187 (class Gc_process_relocs): Likewise.
5188 (class Scan_relocs): Likewise.
5189 * common.h (class Allocate_commons_task): Remove symtab_lock_
5190 field, and corresponding constructor parameter.
5191 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
5192 symtab_lock_.
5193 (Allocate_commons_task::locks): Likewise.
5194
114dfbe1
ILT		 51952010-02-11 Ian Lance Taylor <iant@google.com>
5196
5197 * gold-threads.h (class Once): Define.
5198 (class Initialize_lock): Rewrite as child of Once.
5199 * gold-threads.cc (class Once_initialize): Define.
5200 (once_pointer_control): New static variable.
5201 (once_pointer, once_arg): New static variables.
5202 (c_run_once): New static function.
5203 (Once::Once, Once::run_once, Once::internal_run): New functions.
5204 (class Initialize_lock_once): Remove.
5205 (initialize_lock_control): Remove.
5206 (initialize_lock_pointer): Remove.
5207 (initialize_lock_once): Remove.
5208 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
5209 (Initialize_lock::initialize): Rewrite.
5210 (Initialize_lock::do_run_once): New function.
5211 * archive.cc (Archive::interpret_header): Only clear name if it is
5212 not already empty.
5213 * fileread.cc: Include "gold-threads.h"
5214 (file_counts_lock): New static variable.
5215 (file_counts_initialize_lock): Likewise.
5216 (File_read::release): Only increment counts when using --stats.
5217 Use a lock around the increment.
5218 * parameters.cc (class Set_parameters_target_once): Define.
5219 (set_parameters_target_once): New static variable.
5220 (Parameters::Parameters): Move here from parameters.h.
5221 (Parameters::set_target): Rewrite.
5222 (Parameters::set_target_once): New function.
5223 (Parameters::clear_target): Move here and rewrite.
5224 * parameters.h (class Parameters): Update declarations. Add
5225 set_parameters_target_once_ field.
5226 (Parameters::Parameters): Move to parameters.cc.
5227 (Parameters::clear_target): Likewise.
5228 * readsyms.cc (Read_symbols::do_group): Create a Start_group
5229 task.
5230 (Start_group::~Start_group): New function.
5231 (Start_group::is_runnable): New function.
5232 (Start_group::locks, Start_group::run): New functions.
5233 (Finish_group::run): Change saw_undefined to size_t.
5234 * readsyms.h (class Start_group): Define.
5235 (class Finish_group): Change saw_undefined_ field to size_t.
5236 (Finish_group::Finish_group): Remove saw_undefined and
5237 this_blocker parameters. Change all callers.
5238 (Finish_group::set_saw_undefined): New function.
5239 (Finish_group::set_blocker): New function.
5240 * symtab.h (class Symbol_table): Change saw_undefined to return
5241 size_t. Change saw_undefined_ field to size_t.
5242 * target-select.cc (Set_target_once::do_run_once): New function.
5243 (Target_selector::Target_selector): Initialize set_target_once_
5244 field. Don't initialize lock_ and initialize_lock_ fields.
5245 (Target_selector::instantiate_target): Rewrite.
5246 (Target_selector::set_target): New function.
5247 * target-select.h (class Set_target_once): Define.
5248 (class Target_selector): Update declarations. Make
5249 Set_target_once a friend. Remove lock_ and initialize_lock_
5250 fields. Add set_target_once_ field.
5251
fa17a3f4
ILT		 52522010-02-10 Ian Lance Taylor <iant@google.com>
5253
5254 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
5255 queueing any tasks.
5256 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
5257 (queue_middle_tasks): Add all blockers before queueing any tasks.
5258 (queue_final_tasks): Likewise.
5259 * token.h (Task_token::add_blockers): New function.
5260 * object.h (Input_objects::number_of_relobjs): New function.
5261
c7177d31
ILT		 52622010-02-10 Ian Lance Taylor <iant@google.com>
5263
5de0e392
ILT		 5264 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
5265 shared, not if not position independent.
5266 * x86_64.cc (Relocate::relocate_tls): Likewise.
5267 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
5268 (tls_pie_pic_test): New target.
5269 * testsuite/Makefile.in: Rebuild.
5270
c7177d31
ILT		 5271 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
5272 (tls_test_main_pie.o, tls_test_pie.o): New targets.
5273 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
5274 * testsuite/Makefile.in: Rebuild.
5275
684b268a
DM		 52762010-02-09 David S. Miller <davem@davemloft.net>
5277
5278 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
5279 R_SPARC_RELATIVE using ->add_local_relative().
5280 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
5281
612a8d3d
DM		 5282 * output.h (Output_data_dynamic::add_section_size): New method
5283 that takes two Output_data objects.
5284 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
5285 entry param. Handle it in initializers.
5286 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
5287 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
5288 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
5289 arg.
5290 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
5291 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
5292 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
5293 for dynrel_includes_plt.
5294 * i386.cc (Target_i386::do_finalize_sections): Likewise.
5295 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5296 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
5297 before .rela.plt
5298 (Target_sparc::do_finalize_sections): Update to pass true for
5299 dynrel_includes_plt.
5300 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
5301 output before .rela.plt
5302 (Target_powerpc::do_finalize_sections): Update to pass true for
5303 dynrel_includes_plt when 32-bit.
5304
cb1be87e
DK		 53052010-02-08 Doug Kwan <dougkwan@google.com>
5306
5307 * arm.cc (Arm_relobj::simple_input_section_output_address): New
5308 method.
5309 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
5310 Arm_relobj::scan_section_for_cortex_a8_stubs,
5311 Arm_relobj::do_relocation_section): Instead of calling
5312 Output_section::output_address, use faster
5313 Arm_relobj::simple_input_section_output_address.
5314
705b5121
DM		 53152010-02-08 David S. Miller <davem@davemloft.net>
5316
5317 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
5318 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
5319 relocation helper function.
5320
024c4466
DM		 5321 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
5322 just like R_SPARC_GOT{10,13,22}.
5323 (Target_sparc::Scan::local): Likewise.
5324 (Target_sparc::Relocate:relocate): Likewise.
5325
9109c078
ILT		 53262010-02-06 Ian Lance Taylor <iant@google.com>
5327
5328 * configure.ac: Rewrite targetobjs duplicate removal code to use
5329 only shell constructs.
5330 * configure: Rebuild.
5331
cf846138
DK		 53322010-02-05 Doug Kwan <dougkwan@google.com>
5333
5334 PR 11247
5335 * arm.cc (Arm_relobj::section_is_scannable): New method.
5336 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
5337 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
5338
6cfaf60b
DK		 53392010-02-04 Doug Kwan <dougkwan@google.com>
5340
5341 PR 11247
5342 * arm-reloc-property.cc (cstdio): Include.
5343 * configure.ac (targetobjs): Remove duplicates.
5344 * configure: Regenerate.
5345 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
5346 big and little endian version for a given address size.
5347
5c57f1be
DK		 53482010-02-03 Doug Kwan <dougkwan@google.com>
5349
5350 * arm-reloc-property.cc
5351 (Arm_reloc_property_table::reloc_name_in_error_message): New method
5352 definition.
5353 * arm-reloc-property.h
5354 (Arm_reloc_property_table::get_implemented_static_reloc_property):
5355 New method definition.
5356 (Arm_reloc_property_table::reloc_name_in_error_message): New method
5357 declaration.
5358 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
5359 overflow to N.
5360 (GOT_PREL): Change implemented to Y.
5361 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
5362 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
5363 (Arm_relocate_functions::movw_abs_nc): Remove method.
5364 (Arm_relocate_functions::movt_abs): Ditto.
5365 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
5366 (Arm_relocate_functions::thm_movt_abs): Ditto.
5367 (Arm_relocate_functions::movw_rel_nc): Ditto.
5368 (Arm_relocate_functions::movw_rel): Ditto.
5369 (Arm_relocate_functions::movt_rel): Ditto.
5370 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
5371 (Arm_relocate_functions:thm_movw_rel): Ditto.
5372 (Arm_relocate_functions:thm_movt_rel): Ditto.
5373 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
5374 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
5375 New method definitions.
5376 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
5377 (Arm_relocation_functions::arm_grp_ldr): Ditto.
5378 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
5379 (Arm_relocation_functions::arm_grp_ldc): Ditto.
5380 (Target_arm::Relocate::relocate): Check for non-static or
5381 unimplemented relocation code and exit early. Change calls to
5382 Target_arm::reloc_uses_thumb_bit and
5383 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
5384 instead. Refactor code to handle similar relocations to increase
5385 code sharing. Remove check for unsupported relocation code in switch
5386 statement.
5387 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
5388 relocation property table to find out size. Change error message to
5389 print out the name of a relocation code instead of the numeric value.
5390 (Target_arm::scan_reloc_for_stub): Use relocation property table
5391 instead of calling Target_arm::reloc_uses_thumb_bit().
5392
218c5831
DK		 53932010-02-02 Doug Kwan <dougkwan@google.com>
5394
5395 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
5396 types of relaxed input section.
5397
0d31c79d
DK		 53982010-02-02 Doug Kwan <dougkwan@google.com>
5399
5400 * Makefile.am (HFILES): Add arm-reloc-property.h.
5401 (DEFFILES): New.
5402 (TARGETSOURCES): Add arm-reloc-property.cc
5403 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
5404 (libgold_a_SOURCES): $(DEFFILES)
5405 * Makefile.in: Regenerate.
5406 * arm-reloc-property.cc: New file.
5407 * arm-reloc-property.h: New file.
5408 * arm-reloc.def: New file.
5409 * arm.cc: Update comments.
5410 (arm-reloc-property.h): New included header.
5411 (arm_reloc_property_table): New global variable.
5412 (Target_arm::do_select_as_default_target): New method definition.
5413 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
5414 arm-reloc-property to targ_extra_obj.
5415 * parameters.cc (set_parameters_target): Call
5416 Target::select_as_default_target().
5417 * target.h (Target::select_as_default_target): New method definition.
5418 (Target::do_select_as_default_target): Same.
5419
546c7457
DK		 54202010-02-01 Doug Kwan <dougkwan@google.com>
5421
5422 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
5423 first_output_text_section_.
5424 (Arm_exidx_fixup::first_output_text_section): New method definition.
5425 (Arm_exidx_fixup::first_output_text_section_): New data member.
5426 (Arm_exidx_fixup::process_exidx_section): Record the first text
5427 output section seen.
5428 (Arm_output_section::fix_exidx_coverage): Set correct linked section
5429 and entsize in output section header.
5430
11b861d5
DK		 54312010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5432
5433 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
5434 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
5435 (Arm_relocate_functions::thm_alu11): New Method.
5436 (Arm_relocate_functions::thm_pc8): New Method.
5437 (Arm_relocate_functions::thm_pc12): New Method.
5438 (Target_arm::Scan::local): Handle the relocations.
5439 (Target_arm::Scan::global): Likewise.
5440 (Target_arm::Relocate::relocate): Likewise.
5441 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
5442
c9a2c125
DK		 54432010-01-29 Doug Kwan <dougkwan@google.com>
5444
5445 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
5446 of relocation types as ld.
5447
1521477a
DK		 54482010-01-29 Doug Kwan <dougkwan@google.com>
5449
5450 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5451 to public.
5452 (Arm_relocate_functions::thumb_branch_common): Ditto.
5453 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5454 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5455 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5456 Arm_relocate_functions::jump24): Remove.
5457 (Target_arm::Relocate::relocate): Adjust code to call
5458 Arm_relocation_functions::arm_branch_common and
5459 Arm_relocation_functions::thumb_branch_common instead of their removed
e1df38aa 5460 wrappers. Merge switch-cases together to reduce source code size.
1521477a 5461
e7eca48c
DK		 54622010-01-29 Doug Kwan <dougkwan@google.com>
5463
5464 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5465 output_local_symbol_count_needs_update_.
5466 (Arm_relobj::output_local_symbol_count_needs_update,
5467 Arm_relobj::set_output_local_symbol_count_needs_update,
5468 Arm_relobj::update_output_local_symbol_count): New methods.
5469 (Arm_relobj::output_local_symbol_count_needs_update_): New data
5470 member.
5471 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5472 of pointed function as in a R_ARM_PREL31 relocation.
5473 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5474 for output local symbol count updating.
5475 (Target_arm::do_relax): Update output local symbol counts in objects
5476 if necessary.
5477 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5478
02961d7e
ILT		 54792010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5480
5481 * arm.cc: Added support for the ARM relocations:
5482 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5483 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5484 (Arm_relocate_functions::movw_rel_nc): Renamed (was
5485 movw_prel_nc).
5486 (Arm_relocate_functions::movw_rel): New method.
5487 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5488 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5489 thm_movw_prel_nc).
5490 (Arm_relocate_functions::thm_movw_rel): New method.
5491 (Arm_relocate_functions::thm_movt_rel): Renamed (was
5492 thm_movt_prel).
5493 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5494 relocations.
5495 (Target_arm::Scan::global): Likewise.
5496 (Target_arm::Relocate::relocate): Likewise.
5497 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5498 Likewise.
5499
b10d2873
ILT		 55002010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5501
5502 * arm.cc: Added support for ARM group relocations.
5503 (Target_arm::reloc_needs_sym_origin): New method.
5504 (Arm_relocate_functions::calc_grp_kn): New method.
5505 (Arm_relocate_functions::calc_grp_residual): New method.
5506 (Arm_relocate_functions::calc_grp_gn): New method.
5507 (Arm_relocate_functions::arm_grp_alu): New Method.
5508 (Arm_relocate_functions::arm_grp_ldr): New Method.
5509 (Arm_relocate_functions::arm_grp_ldrs): New Method.
5510 (Arm_relocate_functions::arm_grp_ldc): New Method.
5511 (Target_arm::Scan::local): Handle the ARM group relocations.
5512 (Target_arm::Scan::global): Likewise.
5513 (Target_arm::Relocate::relocate): Likewise.
5514 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5515 Likewise.
5516
2b328d4e
DK		 55172010-01-26 Doug Kwan <dougkwan@google.com>
5518
5519 * arm.cc (set): Include.
5520 (class Arm_exidx_fixup): Change type of last_input_section_ to const
5521 pointer type.
5522 (Arm_output_section::Text_section_list): New type.
5523 (Arm_output_section::append_text_sections_to_list): New method.
5524 (Arm_output_section::fix_exidx_coverage): Ditto.
5525 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5526 (Arm_relobj::convert_input_section_to_relaxed_section): Use
5527 Relobj::set_section_offset() instead of
5528 Sized_relobj::invalidate_section_offset().
5529 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5530 parameter for section headers. Ignore relocation sections for
5531 unallocated sections and EXIDX sections.
5532 (Target_arm::fix_exidx_coverage): New method.
5533 (Target_arm::output_section_address_less_than): New type.
5534 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5535 linked text section instead of the EXIDX section.
5536 (Arm_output_section::create_stub_group): Add an assertion to check
5537 that this is not an EXIDX output section.
5538 (Arm_output_section::append_text_sections_to_list): New method.
5539 (Arm_output_section::fix_exidx_coverage): Ditto.
5540 (Arm_relobj::scan_sections_for_stubs): Adjust call to
5541 Arm_relobj::section_needs_reloc_stub_scanning.
5542 (Target_arm::do_relax): Fix EXIDX output section coverage in the
5543 first pass.
5544 (Target_arm::fix_exidx_coverage): New method.
5545 * object.h (Relobj::set_output_section): New method.
5546 (Sized_relobj::invalidate_section_offset): Remove method.
5547 (Sized_relobj::do_invalidate_section_offset): Remove method.
5548 (Sized_relobj::do_set_section_offset): Handle offset value -1.
5549
c7f3c371
DK		 55502010-01-25 Doug Kwan <dougkwan@google.com>
5551
5552 * arm.cc (Arm_exidx_merged_section::do_output_offset):
5553 Fix warning due to signed and unsigned comparison on a 32-bit host.
5554
8923b24c
DK		 55552010-01-22 Doug Kwan <dougkwan@google.com>
5556
5557 * arm.cc (Target_arm::do_relax): Record an output section for section
5558 offset adjustment it contains any stub table that has changed.
5559 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5560 offsets in an output section if necessary.
5561 * output.cc (Output_section::Output_section): Initialize
5562 section_offsets_need_adjustments_.
5563 (Output_section::add_input_section_for_script): Renamed to
5564 Output_section::add_simple_input_section.
5565 (Output_section::save_states): Add a comment.
5566 (Output_section::discard_states): New method defintion.
5567 (Output_section::adjust_section_offsets): Same.
5568 * output.h (Output_section::add_input_section_for_script): Renamed to
5569 Output_section::add_simple_input_section.
5570 (Output_section::discard_states): New method declaration.
5571 (Output_section::adjust_section_offsets): Same.
5572 (Output_section::section_offsets_need_adjustment,
5573 Output_section::set_section_offsets_need_adjustment): New method
5574 definitions.
5575 (Output_section::section_offsets_need_adjustment_): New data member.
5576 * script-sections.cc
5577 (Output_section_element_input::set_section_address): Adjust code for
5578 renaming of Output_section::add_input_section_for_script.
5579 (Orphan_output_section::set_section_address): Same.
5580
9b2fd367
DK		 55812010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5582
5583 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5584 Fix_v4bx enum values .
5585 * gold/options.h (General_options): New option definitions.
5586 (General_options::fix_v4bx): New method.
5587 (General_options::Fix_v4bx): New enum.
5588 * gold/options.cc (General_options::parse_fix_v4bx): New method.
5589 (General_options::parse_fix_v4bx_interworking): New method.
5590
80d0d023
DK		 55912010-01-22 Doug Kwan <dougkwan@google.com>
5592
5593 * arm.cc (Arm_exidx_fixup): New class.
5594
af2cdeae
DK		 55952010-01-21 Doug Kwan <dougkwan@google.com>
5596
5597 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5598 classes.
5599 (Arm_exidx_section_offset_map): New type.
5600
993d07c1
DK		 56012010-01-21 Doug Kwan <dougkwan@google.com>
5602
5603 * arm.cc (Arm_exidx_input_section): New class.
5604 (Arm_relobj::exidx_input_section_by_link,
5605 Arm_relobj::exidx_input_section_by_shndx,
5606 Arm_relobj::make_exidx_input_section): New methods.
5607 (read_arm_attributes_section): Remove.
5608 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5609 information about them.
5610 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5611 to here.
5612
5ac169d4
DK		 56132010-01-20 Doug Kwan <dougkwan@google.com>
5614
5615 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5616 Input_section_specifier to Section_id.
5617 (Target_arm::new_arm_input_section: Adjust code for change of key
5618 type.
5619 (Target_arm::find_arm_input_section): Ditto.
5620 * gc.h (object.h): Include for Section_id nand Section_id_hash.
5621 (Section_id): Remove.
5622 (Garbage_collection::Section_id_hash): Remove.
5623 * icf.h (object.h): Include for Section_id nand Section_id_hash.
5624 (Section_id): Remove.
5625 (Icf::Section_id_hash): Remove.
5626 * object.h (Section_id, Const_section_id, Section_id_hash,
5627 Const_section_id_hash): New type definitions.
5628 * output.cc (Output_section::add_relaxed_input_section): Change to
5629 use Const_section_id instead of Input_section_specifier as key type.
5630 (Output_section::add_merge_input_section): Ditto.
5631 (Output_section::build_relaxation_map): Change to use Section_id
5632 instead of Input_section_specifier as key type.
5633 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5634 Ditto.
5635 (Output_section::convert_input_sections_to_relaxed_sections): Change
5636 to use Const_section_id instead of Input_section_specifier as key type.
5637 (Output_section::find_merge_section): Ditto.
5638 (Output_section::find_relaxed_input_section): Ditto.
5639 * output.h (Input_section_specifier): Remove class.
5640 (Output_section::Output_section_data_by_input_section_map): Change
5641 key type to Const_section_id.
5642 (Output_section::Output_relaxed_input_section_by_input_section_map):
5643 Ditto.
5644 (Output_section::Relaxation_map): Change key type to Section_id.
5645
a2162063
ILT		 56462010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5647
5648 * gold/arm.cc: Added support for R_ARM_V4BX relocation
5649 (class Arm_v4bx_stub): New class.
5650 (DEF_STUBS): Updated definition to support v4_veneer_bx.
5651 (Stub_factory::make_arm_v4bx_stub): New method.
5652 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5653 (Stub_table::empty): Handle v4bx stubs.
5654 (Stub_table::add_arm_v4bx_stub): New method.
5655 (Stub_table::find_arm_v4bx_stub): New method.
5656 (Arm_relocate_functions::v4bx): New method.
5657 (Target_arm::fix_v4bx): New method.
5658 (Target_arm::Target_arm): Handle R_ARM_V4BX.
5659 (Stub_table::relocate_stubs): Likewise.
5660 (Stub_table::do_write): Likewise.
5661 (Stub_table::update_data_size_and_addralign): Likewise.
5662 (Stub_table::finalize_stubs): Likewise.
5663 (Target_arm::Scan::local): Likewise.
5664 (Target_arm::Scan::global): Likewise.
5665 (Target_arm::do_finalize_sections): Likewise.
5666 (Target_arm::Relocate::relocate): Likewise.
5667 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5668 Likewise.
5669 (Target_arm::scan_reloc_for_stub): Likewise.
5670 (Target_arm::scan_reloc_section_for_stubs): Likewise.
5671
5696ab0b
ILT		 56722010-01-19 Ian Lance Taylor <iant@google.com>
5673
5674 * output.cc (Output_section_headers::do_sized_write): Write large
5675 segment count to sh_info field.
5676 (Output_file_header::do_sized_write): For large segment count,
5677 write PN_XNUM to e_phnum field.
5678
800d0f56
ILT		 56792010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5680
5681 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5682 (Arm_relocate_functions::thm_jump8): New function.
5683 (Arm_relocate_functions::thm_jump11): New function.
5684 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5685 R_ARM_THM_JUMP11.
5686 (Target_arm::Scan::global): Likewise.
5687 (Target_arm::Relocate::relocate): Likewise.
5688 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5689 Likewise.
5690
41263c05
DK		 56912010-01-14 Doug Kwan <dougkwan@google.com>
5692
5693 * arm.cc (map, utility): Include headers.
5694 (Target_arm::apply_cortex_a8_workaround): New method.
5695 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5696 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5697 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5698 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5699 the --[no-]fix-cortex-a8 command line options.
5700 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5701 (Target_arm::relocate_stub): Use addend in instruction template.
5702 * options.h (DEFINE_bool): Set the user-set flag.
5703 (General_options): Add --[no-]-fix-cortex options.
5704 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
e1df38aa 5705 : Update fast look-up map after conversion.
41263c05 5706
459e9b03
ST		 57072010-01-14 Sriraman Tallam <tmsriram@google.com>
5708
5709 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5710 in the first pass of do_layout.
5711
b521dfe4
DK		 57122010-01-13 Doug Kwan <dougkwan@google.com>
5713
5714 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5715 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5716 apparent compiler problem of not folding static constant integral
5717 data members of elfcpp::Elf_sizes<32>.
5718
44272192
DK		 57192010-01-13 Doug Kwan <dougkwan@google.com>
5720
5721 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5722 Arm_relobj::section_needs_cortex_a8_stub_scanning,
5723 Arm_relobj::scan_section_for_cortex_a8_erratum,
5724 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5725 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5726 sections to scan for relocation stubs into a new method
5727 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
5728 relocation and Cortex-A8 stub scanning.
5729 (Target_arm::do_relax): Force stubs to be after stubbed sections
5730 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
e1df38aa 5731 the beginning of a new relaxation pass. Update a comment.
44272192
DK		 5732 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5733
44b71ece
ILT		 57342010-01-12 Ian Lance Taylor <iant@google.com>
5735
5736 * target-reloc.h (visibility_error): New inline function.
5737 (relocate_section): Call visibility_error.
5738 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5739 (MOSTLYCLEANFILES): Likewise.
5740 (protected_4_pic.o, protected_3.err): New targets.
5741 * testsuite/protected_4.cc: New file.
5742
a120bc7f
DK		 57432010-01-12 Doug Kwan <dougkwan@google.com>
5744
5745 * arm.cc (Cortex_a8_reloc): New class.
5746 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5747 and cortex_a8_relocs_info_.
5748 (Target_arm::fix_cortex_a8): New method definition.
5749 (Target_arm::Cortex_a8_relocs_info): New type.
5750 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5751 New data member declarations.
5752 (Target_arm::scan_reloc_for_stub): Record information about
5753 relocations for THUMB branches that might be exempted from the
5754 Cortex-A8 workaround.
5755 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5756 at the beginning of a relaxation pass.
5757
20138696
DK		 57582010-01-12 Doug Kwan <dougkwan@google.com>
5759
5760 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5761 (Arm_relobj::Mapping_symbol_position,
5762 Arm_reloj::Mapping_symbol_position_less,
5763 Arm_relobj::Mapping_symbols_info): New types.
5764 (Target_arm::is_mapping_symbol_name): New method definition.
5765 (Arm_relobj::do_count_local_symbols): Save information about mapping
5766 symbols.
5767
089d69dc
DK		 57682010-01-11 Doug Kwan <dougkwan@google.com>
5769
5770 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5771 Arm_relocate_functions::thumb32_branch_upper,
5772 Arm_relocate_functions::thumb32_branch_lower,
5773 Arm_relocate_functions::thumb32_cond_branch_offset,
5774 Arm_relocate_functions::thumb32_cond_branch_upper,
5775 Arm_relocate_functions::thumb32_cond_branch_lower,
5776 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5777 branch offset encoding.
5778 (Arm_relocate_functions::thumb_branch_common): Use new branch
5779 offset encoding methods to avoid code duplication.
5780 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5781 (Stub_addend_reader::operator()): Use new branch encoding method
5782 to avoid code duplication.
5783
99e5bff2
DK		 57842010-01-11 Doug Kwan <dougkwan@google.com>
5785
5786 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5787 (Target_arm::do_finalize_sections): Define special EXIDX section
5788 symbols only if referenced.
5789 * gc.h (Garbage_collection::add_reference): New method.
5790 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5791 code duplication.
5792
98e090bd
ILT		 57932010-01-11 Ian Lance Taylor <iant@google.com>
5794
d0a91bd8
ILT		 5795 * script.cc (Version_script_info::build_expression_list_lookup):
5796 Change complaing about duplicate wildcard match from error to
5797 warning.
5798
98e090bd
ILT		 5799 * script.cc (class Lazy_demangler): Recreate--revert part of patch
5800 of 2009-12-30.
5801 (Version_script_info::Version_script_info): Initialize globs_,
5802 default_version_, default_is_global_, and exact_. Don't
5803 initialize globals_ or locals_.
5804 (Version_script_info::build_lookup_tables): Build local symbols
5805 first.
5806 (Version_script_info::unquote): New function.
5807 (Version_script_info::add_exact_match): New function.
5808 (Version_script_info::build_expression_list_lookup): Remove lookup
5809 parameter. Add is_global parameter. Change all callers. Handle
5810 wildcard pattern specially. Unquote pattern. Call
5811 add_exact_match.
5812 (Version_script_info::get_name_to_match): New function.
5813 (Version_script_info::get_symbol_version): New function.
5814 (Version_script_info::get_symbol_version_helper): Remove.
5815 (Version_script_info::check_unmatched_names): Call unquote.
5816 * script.h (class Version_script_info): Change get_symbol_version
5817 to be non-inline and add is_global parameter; change all callers.
5818 Rewrite symbol_is_local. Update declarations. Define struct
5819 Version_tree_match, Exact, Globs. Don't define struct Lookup.
5820 Remove globals_ and locals_ members. Add exact_, globs_,
5821 default_version_, is_global_.
5822 (Version_script_info::Glob): Remove pattern, add expression and
5823 is_global. Update constructor. Change all callers.
5824 * dynobj.cc (Versions::finalize): Mark the version symbol as the
5825 default version.
5826 (Versions::symbol_section_contents): If a symbol is undefined, or
5827 defined in a dynamic object, set the version index to
5828 VER_NDX_LOCAL.
5829 * symtab.cc (Symbol_table::add_from_relobj): Don't call
5830 symbol_is_local.
5831 (Symbol_table::add_from_pluginobj): Likewise.
5832 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5833
d56962d3
DK		 58342010-01-11 Doug Kwan <dougkwan@google.com>
5835
5836 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5837 (incremental_dump_LDADD): Add linking option for libintl.
5838 * Makefile.in: Regenerate.
5839
94e6ee91
L		 58402010-01-11 H.J. Lu <hongjiu.lu@intel.com>
5841
5842 PR gold/11144
5843 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5844 instead of -Ds.
5845 * testsuite/Makefile.in: Regenerated.
5846
e96c574b
DK		 58472010-01-10 Doug Kwan <dougkwan@google.com>
5848
5849 * options.h (DEFINE_var): Use parentheses around argument varname__
5850 in macro body to avoid any unintended subsequent substitutions.
5851
7198066b
ILT		 58522010-01-10 Ian Lance Taylor <iant@google.com>
5853
ba4d53bf
ILT		 5854 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5855 candidates before doing symbol resolution.
5856
7198066b
ILT		 5857 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5858 ODR candidates if only one is weak.
5859
a2beed37
ILT		 58602010-01-08 Ian Lance Taylor <iant@google.com>
5861
5862 * script.cc (Version_script_info::build_expression_list_lookup):
5863 Don't warn about ambiguous version, just record the ambiguity.
5864 (Version_script_info::get_symbol_version_helper): Give error if
5865 version is ambiguous.
5866
2fb7225c
DK		 58672010-01-08 Doug Kwan <dougkwan@google.com>
5868
5869 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5870 prev_data_size_ and prev_addralign_. Remove initializer for
5871 deleted data member has_been_changed_.
5872 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5873 to determine if the table is empty.
5874 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5875 Remove.
5876 (Stub_table::add_reloc_stub): Define method in class definition
5877 instead of just declaring it there.
5878 (Stub_table::add_cortex_a8_stub): New method definition.
5879 (Stub_table::update_data_size_and_addralign): Ditto.
5880 (Stub_table::finalize_stubs): Ditto.
5881 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5882 (Stub_table::do_addralign_): Return address alignment in the
5883 (Stub_table::do_reset_address_and_file_offset): Define method in
5884 class definition instead of declaring it there. Set current data
5885 size to be the data size of the previous pass.
5886 (Stub_table::set_final_data_size): Use current data size as the
5887 final data size.
5888 (Stub_table::relocate_stub): Change parameter type of stub from
5889 Reloc_stub pointer to Stub pointer.
5890 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5891 (Stub_table::Cortex_a8_stub_list): New typedef.
5892 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5893 Stub_table::prev_addralign_): New data member.
5894 (Arm_relobj::Arm_relobj): Initialize data member
5895 section_has_cortex_a8_workaround_.
5896 (Arm_relobj::section_has_cortex_a8_workaround,
5897 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5898 definitions.
5899 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5900 declarations.
5901 (Target_arm::relocate_stub): Change parameter type of stub from
5902 Reloc_stub pointer to Stub pointer.
5903 (Insn_template::size, Insn_template::alignment): Handle
5904 THUMB16_SPECIAL_TYPE.
5905 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5906 Stub_table::update_data_size_and_addralign,
5907 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5908 definitions.
5909 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5910 (Stub_table::do_write): Ditto.
5911 (Target_arm::do_relax): Adjust code for changes in Stub_table.
5912
880cd20d
ILT		 59132010-01-08 Ian Lance Taylor <iant@google.com>
5914
5915 PR 11108
5916 * symtab.h (class Symbol): Remove fields is_target_special_ and
5917 has_plt_offset_. Add field is_defined_in_discarded_section_.
5918 (Symbol::is_defined_in_discarded_section): New function.
5919 (Symbol::set_is_defined_in_discarded_section): New function.
5920 (Symbol::has_plt_offset): Rewrite.
5921 (Symbol::set_plt_offset): Verify that new offset is not -1U.
5922 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5923 Don't initialize is_target_special_ or has_plt_offset_.
5924 Initialize is_defined_in_discarded_section_.
5925 (Symbol_table::add_from_relobj): If appropriate, set
5926 is_defined_in_discarded_section.
5927 * resolve.cc (Symbol::override_base_with_special): Don't test
5928 is_target_special_. Change has_plt_offset_ to has_plt_offset().
5929 * target-reloc.h (relocate_section): Do special handling for
5930 symbols defined in discarded sections for global symbols as well
5931 as local symbols.
5932
2703e3eb
ILT		 59332010-01-08 Ian Lance Taylor <iant@google.com>
5934
5935 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5936 the SHT_SYMTAB case.
5937
339d40a3
ILT		 59382010-01-08 Ian Lance Taylor <iant@google.com>
5939
5940 * object.cc (Sized_relobj::do_layout): Don't get confused if
5941 layout_eh_frame returns NULL.
5942
abecea76
ILT		 59432010-01-08 Ian Lance Taylor <iant@google.com>
5944
5945 PR 11084
5946 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5947 dynamic symbol table, use the normal symbol table.
5948 (Sized_dynobj::do_read_symbols): Remove assertion about type of
5949 symbol table.
5950
6b7dd3f3
ILT		 59512010-01-08 Ian Lance Taylor <iant@google.com>
5952
5953 PR 11072
5954 * layout.cc (Layout::include_section): Remove .gnu_debuglink
5955 sections.
5956
36c50e63
L		 59572010-01-08 H.J. Lu <hongjiu.lu@intel.com>
5958
5959 * version.cc (print_version): Change to "Copyright 2010".
5960
e291e7b9
ILT		 59612010-01-08 Ian Lance Taylor <iant@google.com>
5962
5963 PR 10287
5964 PR 11063
5965 * i386.cc (class Target_i386): Change return type of plt_section
5966 to be non-const.
5967 (class Output_data_plt_i386): Add tls_desc_rel_ field.
5968 (Output_data_plt_i386::Output_data_plt_i386): Initialize
5969 tls_desc_rel_ field.
5970 (Output_data_plt_i386::rel_tls_desc): New function.
5971 (Target_i386::rel_tls_desc_section): New function.
5972 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5973 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5974 R_386_TLS_DESC reloc in rel_tls_desc_section.
5975 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5976 Define struct Tlsdesc_info.
5977 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5978 (Target_x86_64::do_reloc_symbol_index): New function.
5979 (Target_x86_64::add_tlsdesc_info): New function.
5980 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5981 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5982 tlsdesc_rel_ field.
5983 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
5984 all callers.
5985 (Output_data_plt_x86_64::rela_tlsdesc): New function.
5986 (Target_x86_64::rela_tlsdesc_section): New function.
5987 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5988 handling.
5989 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5990 (Target_x86_64::do_reloc_addend): New function.
5991 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5992 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5993 declarations. Define TARGET_CODE. Add arg field to u1_ union.
5994 (Output_reloc::type): New function.
5995 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5996 (Output_reloc::is_target_specific): New function.
5997 (Output_reloc::target_arg): New function.
5998 (class Output_reloc) [SHT_RELA]: Add four new constructors for
5999 absolute relocs and target specific relocs.
6000 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
6001 add_target_specific.
6002 (class Output_data_reloc) [SHT_RELA]: Likewise.
6003 * output.cc (Output_reloc::Output_reloc): Add four new versions
6004 for absolute relocs and target specific relocs.
6005 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
6006 (Output_reloc::get_symbol_index): Likewise.
6007 (Output_reloc::local_section_offset): Check that local_sym_index_
6008 is not TARGET_CODE or 0.
6009 (Output_reloc::symbol_value): Likewise.
6010 (Output_reloc::write) [SHT_RELA]: Call target for target specific
6011 reloc.
6012 * target.h (class Target): Add reloc_symbol_index and reloc_addend
6013 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
6014 functions.
6015 * layout.cc (add_target_dynamic_tags): Use output section for
6016 DT_PLTRELSZ and DT_JMPREL.
6017
3a44184e
ILT		 60182010-01-07 Ian Lance Taylor <iant@google.com>
6019
6020 PR 11061
6021 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
6022 function.
6023 (class Output_data_reloc_generic): Define.
6024 (class Output_data_reloc_base): Change base class to
6025 Output_data_reloc_generic. Change add() method to call
6026 bump_relative_reloc_count for a relative reloc. Remove
6027 sort_relocs_ field.
6028 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
6029 to sort_relocs().
6030 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
6031 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
6032 appropriate.
6033 * layout.h (class Layout): Update declaration.
6034
ea715a34
ILT		 60352010-01-07 Ian Lance Taylor <iant@google.com>
6036
6037 * output.h (class Output_data): Add const version of
6038 output_section and do_output_section.
6039 (class Output_section_data): Add const version of
6040 do_output_section.
6041 (class Output_section): Likewise.
6042 * layout.cc (Layout::add_target_dynamic_tags): New function.
6043 * layout.h (class Layout): Update declarations.
6044 * arm.cc (Target_arm::do_finalize_sections): Use
6045 add_target_dynamic_tags.
6046 * i386.cc (Target_i386::do_finalize_sections): Likewise.
6047 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6048 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6049 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6050
659948a4
ILT		 60512010-01-07 Ian Lance Taylor <iant@google.com>
6052
6053 PR 11042
6054 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
6055 object as needed.
6056
9d3b86f6
ILT		 60572010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
6058 Ian Lance Taylor <iant@google.com>
6059
6060 PR 11019
6061 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
6062 Xindex::read_symtab_xindex.
6063
bb0d3eb0
DK		 60642010-01-07 Doug Kwan <dougkwan@google.com>
6065
6066 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
6067 (Insn_template::thumb16_bcond_insn): New method declaration.
6068 (Insn_template): Fix spelling.
6069 (Stub::thumb16_special): New method declaration.
6070 (Stub::do_write): Define virtual method which was previously pure
6071 virtual.
6072 (Stub::do_thumb16_special): New method declaration.
6073 (Stub::do_fixed_endian_write): New template member.
6074 (Reloc_stub::do_write): Remove.
6075 (Reloc_stub::do_fixed_endian_write): Remove.
6076 (Cortex_a8_stub): New class definition.
6077 (Stub_factory::make_cortex_a8_stub): New method definition.
6078 (Stub_factory::Stub_factory): Add missing static storage class
6079 qualifier for elf32_arm_stub_a8_veneer_blx.
6080
ffeef7df
ILT		 60812010-01-07 Ian Lance Taylor <iant@google.com>
6082
dc3f80fe
ILT		 6083 PR 10980
6084 * options.h (class General_options): Add --warn-unresolved-symbols
6085 and --error-unresolved-symbols.
6086 * errors.cc (Errors::undefined_symbol): Implement
6087 --warn-unresolved-symbols.
6088
ffeef7df
ILT		 6089 * options.h (class General_options): Add -z text and -z textoff.
6090 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
6091
f1ec9ded
ST		 60922010-01-06 Sriraman Tallam <tmsriram@google.com>
6093
6094 * gc.h (Garbage_collection::Cident_section_map): New typedef.
6095 (Garbage_collection::cident_sections): New function.
6096 (Garbage_collection::add_cident_section): New function.
6097 (Garbage_collection::cident_sections_): New member.
6098 (gc_process_relocs): Add references to sections whose names are C
6099 identifiers.
6100 * gold.h (cident_section_start_prefix): New constant.
6101 (cident_section_stop_prefix): New constant.
6102 (is_cident): New function.
6103 * layout.cc (Layout::define_section_symbols): Replace string constants
6104 with the newly defined constants.
6105 * object.cc (Sized_relobj::do_layout): Track sections whose names are
6106 C identifiers.
6107 * testsuite/Makefile.am: Add gc_orphan_section_test.
6108 * testsuite/Makefile.in: Regenerate.
6109 * testsuite/gc_orphan_section_test.cc: New file.
6110 * testsuite/gc_orphan_section_test.sh: New file.
6111
6eda8c29
ILT		 61122010-01-06 Ian Lance Taylor <iant@google.com>
6113
b9674e17
ILT		 6114 PR 10980
6115 * options.h (class General_options): Add --warn-shared-textrel.
6116 * layout.cc (Layout::finish_dynamic_section): Implement
6117 --warn-shared-textrel.
6118
6eda8c29
ILT		 6119 PR 10980
6120 * options.h (class General_options): Add --warn-multiple-gp.
6121
32dcd44e
ILT		 61222010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
6123
6124 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
6125 $(THREADSLIB) and $(LIBDL).
6126 * Makefile.in: Rebuild.
6127
a192ba05
ILT		 61282010-01-06 Ian Lance Taylor <iant@google.com>
6129
6130 PR 10980
6131 * options.cc (General_options::parse_section_start): New function.
6132 (General_options::section_start): New function.
6133 (General_options::General_options): Initialize all members.
6134 * options.h: Include <map>
6135 (class General_options): Add --section-start. Add section_starts_
6136 member.
6137 * layout.cc (Layout::attach_allocated_section_to_segment): If
6138 --section-start was used, set the address of the segment. Remove
6139 local sort_sections.
6140 (Layout::relaxation_loop_body): If the address of the load segment
6141 has been set by --section-start, don't use it.
6142 * output.h (Output_segment::update_flags_for_output_section): New
6143 function.
6144 * output.cc (Output_segment::add_output_section): Call
6145 update_flags_for_output_section.
6146
dde3f402
ILT		 61472010-01-05 Ian Lance Taylor <iant@google.com>
6148
62dfdd4d
ILT		 6149 PR 10980
6150 * options.h (class General_options): Add --undefined-version.
6151 * script.cc (struct Version_expression): Add was_matched_by_symbol
6152 field.
6153 (Version_script_info::matched_symbol): New function.
6154 (Version_script_info::get_symbol_version_helper): Call
6155 matched_symbol.
6156 (Version_script_info::check_unmatched_names): New function.
6157 * script.h (class Version_script_info): Update declarations.
6158 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
6159
9c4ae156
ILT		 6160 * options.h (class General_options): Use DEFINE_bool_alias for
6161 allow_multiple_definition.
6162 * resolve.cc (Symbol_table::should_override): Don't test
6163 allow_multiple_definition.
6164
dde3f402
ILT		 6165 PR 10980
6166 * options.h (class General_options): Add --cref.
6167 * main.cc (main): Print cref table if --cref. Don't close mapfile
6168 until after printing cref table.
6169 * cref.cc: Include "symtab.h".
6170 (class Cref_inputs): Define Cref_table_compare and Cref_table.
6171 (Cref_table_compare::operator()): New function.
6172 (Cref_inputs::gather_cref): New function.
6173 (filecol): New static const.
6174 (Cref_inputs::print_cref): New function.
6175 (Cref::print_cref): New function.
6176 * cref.h: Include <cstdio>.
6177 (class Cref): Update declarations.
6178 * mapfile.h (Mapfile::file): New function.
6179 * object.h (class Object): Define Symbols. Declare virtual
6180 do_get_global_symbols.
6181 (Object::get_global_symbols): New function.
6182 * object.cc (Input_objects::add_object): Pass object to cref_ if
6183 --cref.
6184 (Input_objects::archive_start): Likewise.
6185 (Input_objects::archive_stop): Likewise.
6186 (Input_objects::print_cref): New function.
6187 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
6188 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
6189 --cref.
6190 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
6191 function.
6192 * plugin.h (class Sized_pluginobj): Update declarations.
6193
8781f709
ILT		 61942010-01-05 Ian Lance Taylor <iant@google.com>
6195
6196 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
6197 to is_default_version. Rename insdef to insdefault.
6198 (Symbol_table::add_from_relobj): Rename def to is_default_version
6199 and local to is_forced_local.
6200 (Symbol_table::add_from_pluginobj): Likewise.
6201 (Symbol_table::add_from_dynobj): Likewise.
6202 (Symbol_table::define_special_symbol): Rename insdef to
6203 insdefault.
6204
fe35d28d
ILT		 62052010-01-04 Ian Lance Taylor <iant@google.com>
6206
30bc8c46
ILT		 6207 PR 10980
6208 * options.h (class General_options): Add
6209 --allow-multiple-definition and -z muldefs.
6210 * resolve.cc (Symbol_table::should_override): Don't warn about a
6211 multiple symbol definition if --allow-multiple-definition or -z
6212 muldefs.
6213
7eaea549
ILT		 6214 PR 10980
6215 * options.h (class General_options): Add --add-needed and
6216 --copy-dt-needed-entries. Tweak --as-needed help entry.
6217 * object.cc (Input_objects::check_dynamic_dependencies): Give an
6218 error if --copy-dt-needed-entries aka --add-needed is used and
6219 would cause a change in behaviour.
6220
fe35d28d
ILT		 6221 PR 10980
6222 * options.h (class General_options): Add -G as a short version of
6223 --shared. Add no-op options -assert, -g, and -i.
6224
55a2bb35
ST		 62252010-01-04 Sriraman Tallam <tmsriram@google.com>
6226
6227 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
6228 check for .text or .gnu.linkonce.t sections.
6229 * icf.cc (Icf::find_identical_sections): Ditto.
6230 Change the detection for mangled function name within the section
6231 name.
6232 * icf.h (is_section_foldable_candidate): New function.
6233
719328e1
ILT		 62342009-12-30 Ian Lance Taylor <iant@google.com>
6235
6236 PR 10980
6237 * options.h (class General_options): Permit two dashes with
6238 --retain-symbols-file.
6239
d7bb5745
ILT		 62402009-12-30 Ian Lance Taylor <iant@google.com>
6241
403a15dd
ILT		 6242 PR 10979
6243 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
6244 don't put the file header and segment headers in the text
6245 segment.
6246
eda294df
ILT		 6247 PR 10979
6248 * common.cc (Sort_commons::operator()): Stabilize sort when both
6249 entries are NULL.
6250 (Symbol_table::do_allocate_commons_list): When allocating common
6251 symbols, skip a symbol which is no longer common.
6252 * symtab.h (Symbol::is_common): Test whether the symbol comes from
6253 an object before checking its type.
6254 * testsuite/common_test_2.c: New file.
6255 * testsuite/common_test_3.c: New file.
6256 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
6257 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
6258 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
6259 (common_test_2_pic.o, common_test_2.so): New targets.
6260 (common_test_3_pic.o, common_test_3.so): New targets.
6261 * testsuite/Makefile.in: Rebuild.
6262
d7bb5745
ILT		 6263 PR 10979
6264 * script.cc (read_input_script): If we see a new SECTIONS clause,
6265 and we have added an input section, give an error.
6266 * layout.h (class Layout): Add have_added_input_section function.
6267 Add have_added_input_section_ field.
6268 * layout.cc (Layout::Layout): Initialize
6269 have_added_input_section_.
6270 (Layout::layout): Set have_added_input_section_.
6271 (Layout::layout_eh_frame): Likewise.
6272
fc59c572
ILT		 62732009-12-30 Ian Lance Taylor <iant@google.com>
6274
6275 PR 10931
6276 * options.h (class General_options): Add --sort-common option.
6277 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
6278 * common.cc (Sort_common): Add sort_order parameter to
6279 constructor. Add sort_order_ field.
6280 (Sort_commons::operator): Check sort_order_.
6281 (Symbol_table::allocate_commons): Determine the sort order.
6282 (Symbol_table::do_allocate_commons): Add sort_order parameter.
6283 Change all callers.
6284 (Symbol_table::do_allocate_commons_list): Likewise.
6285
1c74fab0
ILT		 62862009-12-30 Ian Lance Taylor <iant@google.com>
6287
6288 PR 10916
6289 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
6290 symbols from this object, don't change the visibility of an
6291 undefined symbol.
6292 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
6293
6affe781
ILT		 62942009-12-30 Ian Lance Taylor <iant@google.com>
6295
6296 PR 10861
6297 * script.h (class Version_script_info): Define Language enum.
6298 Update declarations. Define Glob, Exact, and Lookup types. Add
6299 new fields globals_, locals_, and is_finalized_.
6300 * script.cc: Various formatting fixes.
6301 (class Parser_closure): Change language_stack_ from a vector of
6302 std::string to one of Version_script_info::Language. Adjust all
6303 uses accordingly.
6304 (class Lazy_demangler): Remove.
6305 (struct Version_expression): Change language from std::string to
6306 Version_script_info::Language.
6307 (Version_script_info::Version_script_info): New function.
6308 (Version_script_info::~Version_script_info): Don't call clear.
6309 (Version_script_info::finalize): New function.
6310 (Version_script_info::build_lookup_tables): New function.
6311 (Version_script_info::build_expression_list_lookup): New
6312 function.
6313 (Version_script_info::get_symbol_version_helper): Rewrite to use
6314 lookup tables.
6315 (Version_script_info::print_expression_list): Adjust to use
6316 Version_script_info::Language.
6317 (script_push_lex_into_version_mode): Check that the version script
6318 has not been finalized.
6319 (version_script_push_lang): Change language string to
6320 Version_script_info::Language.
6321 * options.cc (Command_line::version_script): New function.
6322 * options.h (class General_options): Add finalize_dynamic_list
6323 function. Change version_script from declaration to definition.
6324 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
6325 * testsuite/version_script.map: Remove duplicate def of foo.
6326 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
6327 version_script.map.
6328 * testsuite/Makefile.in: Rebuild.
6329
818bf354
ILT		 63302009-12-30 Ian Lance Taylor <iant@google.com>
6331
6332 PR 10843
6333 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
6334 if the input symbol index is 0, make the output symbol index 0.
6335
ebcc8304
ILT		 63362009-12-30 Ian Lance Taylor <iant@google.com>
6337
6338 PR 10670
6339 * options.h (class General_options): Add -x/--discard-all.
6340 * object.cc (Sized_relobj::do_count_local_symbols): Handle
6341 --discard-all. If the local symbol needs a dynamic entry, check
6342 that before handling --discard-locals.
6343
176fe33f
ILT		 63442009-12-30 Ian Lance Taylor <iant@google.com>
6345
bb321bb1
ILT		 6346 PR 10450
6347 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
6348 flags to PF_R.
6349 (Output_segment::add_output_section): Don't change the flags if
6350 the type is PT_TLS.
6351
176fe33f
ILT		 6352 PR 10450
6353 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
6354 GNU hash table if they need a dynamic value. Otherwise, don't add
6355 them if they are defined in a dynamic object or are forced local.
6356
e8cd95c7
ILT		 63572009-12-29 Ian Lance Taylor <iant@google.com>
6358
1b81fb71
ILT		 6359 PR 10450
6360 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
6361 .gnu.hash table for a 32-bit target.
6362
8d6d383d
ILT		 6363 PR 10450
6364 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
6365 regular and a dynamic object only needs a dynamic symbol table
6366 entry if it is externally visible.
6367
e785ec03
ILT		 6368 PR 10450
6369 * i386.cc (class Target_i386): Initialize global_offset_table_ in
6370 constructor. Add global_offset_table_ field.
6371 (Target_i386::got_section): Set global_offset_table_.
6372 (Target_i386::do_finalize_sections): Set global_offset_table_
6373 size.
6374 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
6375 in constructor. Add global_offset_table_ field.
6376 (Target_x86_64::got_section): Set global_offset_table_.
6377 (Target_x86_64::do_finalize_sections): Set global_offset_table_
6378 size.
6379
1a2dff53
ILT		 6380 * layout.cc (Layout::Layout): Initialize increase_relro_.
6381 (Layout::get_output_section): Add is_relro, is_last_relro, and
6382 is_first_non_relro parameters. Change all callers.
6383 (Layout::choose_output_section): Likewise.
6384 (Layout::add_output_section_data): Likewise.
6385 (Layout::make_output_section): Likewise.
6386 (Layout::set_segment_offsets): Clear increase_relro when using a
6387 linker script.
6388 * layout.h (class Layout): Add increase_relro method. Add
6389 increase_relro_ field. Update declarations.
6390 * output.cc (Output_section::Output_section): Initialize
6391 is_last_relro_ and is_first_non_relro_.
6392 (Output_segment::add_output_section): Group relro sections is
6393 do_sort is true. Handle is_last_relro and is_first_non_relro.
6394 (Output_segment::maximum_alignment): Remove relro handling.
6395 (Output_segment::set_section_addresses): Add increase_relro
6396 parameter. Change all callers. Add initial alignment to align
6397 relro sections on separate page. Remove old relro handling.
6398 (Output_segment::set_section_list_addresses): Remove in_relro
6399 parameter. Change all callers.
6400 (Output_segment::set_offset): Add increase parameter. Change all
6401 callers. Remove old relro handling.
6402 * output.h (class Output_section): Add new methods: is_last_relro,
6403 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
6404 Add is_last_relro_ and is_first_non_relro_ fields.
6405 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
6406 Create separate .got.plt section. Call increase_relro.
6407 * x86_64.cc (Target_x86_64::got_section): Likewise.
6408 * testsuite/relro_script_test.t: Add .got.plt.
6409
f0ba79e2
ILT		 6410 PR 10450
6411 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
6412 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
6413 (Layout::finalize): Call set_dynamic_symbol_size.
6414 (Layout::set_dynamic_symbol_size): New function.
6415 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
6416 set_dynamic_symbol_size.
6417
e8cd95c7
ILT		 6418 PR 10450
6419 * output.h (class Output_section): Add is_entsize_zero_ field.
6420 * output.cc (Output_section::Output_section): Initialize
6421 is_entsize_zero_.
6422 (Output_section::set_entsize): If two different entsizes are
6423 requested, force it to zero.
6424 (Output_section::add_input_section): Set flags for .debug_str
6425 before updating section flags. Set entsize.
6426 (Output_section::update_flags_for_input_section): Set SHF_MERGE
6427 and SHF_STRING if all input sections have those flags.
6428
3e1b9a8a
RÁE		 64292009-12-29 Rafael Espindola <espindola@google.com>
6430
6431 * main.cc (main): Fix the sys time reporting.
e8cd95c7
ILT		 6432 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
6433 reporting.
3e1b9a8a 6434
3dcad376
ST		 64352009-12-29 Sriraman Tallam <tmsriram@google.com>
6436
6437 * options.cc (General_options::parse_version): Allow -v to exit
6438 without an error if there is nothing to link.
6439
084e2665
ILT		 64402009-12-29 Ian Lance Taylor <iant@google.com>
6441
6442 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
6443 using a version of gcc before 4.1.
6444 * configure: Rebuild.
6445
250acde3
CD		 64462009-12-28 Chris Demetriou <cgd@google.com>
6447
6448 * attributes.cc (Output_attributes_section_data::do_write): Use
6449 std::vector::front rather than std::vector::data.
6450
99fff23b
ILT		 64512009-12-28 Ian Lance Taylor <iant@google.com>
6452
6453 * symtab.h (class Symbol_table): Add enum Defined.
6454 * resolve.cc (Symbol_table::should_override): Add defined
6455 parameter. Change all callers. Test whether object is NULL
6456 before calling a method on it.
6457 (Symbol_table::report_resolve_problem): Add defined parameter.
6458 Change all callers.
6459 (Symbol_table::should_override_with_special): Likewise.
6460 * symtab.cc (Symbol_table::define_in_output_data): Add defined
6461 parameter. Change all callers.
6462 (Symbol_table::do_define_in_output_data): Likewise.
6463 (Symbol_table::define_in_output_segment): Likewise.
6464 (Symbol_table::do_define_in_output_segment): Likewise.
6465 (Symbol_table::define_as_constant): Likewise.
6466 (Symbol_table::do_define_as_constant): Likewise.
6467 * script.h (class Symbol_assignment): Add is_defsym parameter to
6468 constructor; change all callers.
6469 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6470 parameter. Change all callers. Add is_defsym_ field.
6471 (class Parser_closure): Add parsing_defsym parameter to
6472 constructor; change all callers. Add parsing_defsym accessor
6473 function. Add parsing_defsym_ field.
6474
556bd683
ILT		 64752009-12-28 Ian Lance Taylor <iant@google.com>
6476
6477 * gold.cc (queue_middle_tasks): Fix formatting.
fa618ee4 6478 * object.cc (Relobj::is_section_name_included): Likewise.
556bd683 6479
1782c879
ILT		 64802009-12-23 Ian Lance Taylor <iant@google.com>
6481
6482 * i386.cc (Target_i386::do_calls_non_split): Recognize
6483 -fsplit-stack prologue for a function with a static chain.
cbc999b9
ILT		 6484 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6485 -fsplit-stack prologue when using %r11.
1782c879 6486
329ca2b1
ST		 64872009-12-21 Sriraman Tallam <tmsriram@google.com>
6488
6489 * options.cc (General_options::parse_version): Make -v continue and do
6490 the link like GNU ld does.
6491
d675ff46
RÁE		 64922009-12-17 Rafael Avila de Espindola <espindola@google.com>
6493
6494 * Makefile.am (CCFILES): Add timer.cc.
6495 (HFILES): Add timer.h.
6496 * configure.ac: Check for sysconf and times.
6497 * main.cc: include timer.h.
6498 (main): Use Timer instead of get_run_time.
6499 * timer.cc: New.
6500 * timer.h: New.
6501 * workqueue.cc: include timer.h.
6502 (Workqueue::find_and_run_task):
6503 Report user, sys and wall time.
6504 * Makefile.in: Regenerate.
6505 * config.in: Regenerate.
6506 * configure: Regenerate.
6507
d6344fb5
DK		 65082009-12-16 Doug Kwan <dougkwan@google.com>
6509
6510 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6511 sections.
6512 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6513 relaxed input sections.
6514 * output.cc (Output_section::find_relaxed_input_section): Change
6515 return type to Output_relaxed_input_section pointer. Adjust code
6516 for new type of relaxed_input_section_map_.
6517 * output.h (Output_section::find_relaxed_input_section): Change
6518 return type to Output_relaxed_input_section pointer.
6519 (Output_section::Output_relaxed_input_section_by_input_section_map):
6520 New type.
6521 (Output_section::relaxed_input_section_map_): Change type to
6522 Output_section::Output_relaxed_input_section_by_input_section_map.
6523 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6524 input section.
6525
0e0d5469
ILT		 65262009-12-15 Ian Lance Taylor <iant@google.com>
6527
6528 * layout.cc (Layout::create_shstrtab): Only write out after input
6529 sections if we are compressing debug sections.
6530
0649a889
ILT		 65312009-12-15 Ian Lance Taylor <iant@google.com>
6532
6533 * archive.cc (Archive::add_symbols): Only look up a symbol without
6534 a version if there is, in fact, a version.
6535
2ea97941
ILT		 65362009-12-14 Ian Lance Taylor <iant@google.com>
6537
6538 Revert -Wshadow changes, all changes from:
6539 2009-12-11 Doug Kwan <dougkwan@google.com>
6540 2009-12-11 Nick Clifton <nickc@redhat.com>
6541 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6542
b0eec2cc
DK		 65432009-12-11 Doug Kwan <dougkwan@google.com>
6544
6545 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6546 due to -Wshadow.
6547 * attributes.cc (Object_attribute::size): Ditto.
6548 (Attributes_section_data::size): Ditto.
6549 (Attributes_section_data::Attributes_section_data): Ditto.
6550 (Output_attributes_section_data::do_write): Ditto.
6551 * attributes.h (Object_attribute::set_type): Ditto.
6552 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6553
91d6fa6a
NC		 65542009-12-11 Nick Clifton <nickc@redhat.com>
6555
6556 * archive.cc: Fix shadowed variable warnings.
6557 * arm.cc: Likewise.
6558 * compressed_output.cc: Likewise.
6559 * compressed_output.h: Likewise.
6560 * configure: Likewise.
6561 * dwarf_reader.cc: Likewise.
6562 * dynobj.cc: Likewise.
6563 * dynobj.h: Likewise.
6564 * ehframe.cc: Likewise.
6565 * ehframe.h: Likewise.
6566 * errors.cc: Likewise.
6567 * expression.cc: Likewise.
6568 * fileread.cc: Likewise.
6569 * fileread.h: Likewise.
6570 * freebsd.h: Likewise.
6571 * i386.cc: Likewise.
6572 * icf.cc: Likewise.
6573 * incremental.h: Likewise.
6574 * layout.cc: Likewise.
6575 * layout.h: Likewise.
6576 * mapfile.cc: Likewise.
6577 * merge.cc: Likewise.
6578 * merge.h: Likewise.
6579 * object.cc: Likewise.
6580 * object.h: Likewise.
6581 * options.h: Likewise.
6582 * output.cc: Likewise.
6583 * output.h: Likewise.
6584 * parameters.cc: Likewise.
6585 * plugin.cc: Likewise.
6586 * powerpc.cc: Likewise.
6587 * reduced_debug_output.cc: Likewise.
6588 * reduced_debug_output.h: Likewise.
6589 * reloc.cc: Likewise.
6590 * reloc.h: Likewise.
6591 * resolve.cc: Likewise.
6592 * script-sections.cc: Likewise.
6593 * script.cc: Likewise.
6594 * script.h: Likewise.
6595 * sparc.cc: Likewise.
6596 * symtab.cc: Likewise.
6597 * symtab.h: Likewise.
6598 * target-select.cc: Likewise.
6599 * target-select.h: Likewise.
6600 * token.h: Likewise.
6601 * workqueue.cc: Likewise.
6602 * workqueue.h: Likewise.
6603 * x86_64.cc: Likewise.
6604
a0351a69
DK		 66052009-12-10 Doug Kwan <dougkwan@google.com>
6606
6607 * arm.cc (attributes.h): New include.
6608 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6609 (Arm_relobj::~Arm_relobj): Delete object pointed by
6610 attributes_section_data_.
6611 (Arm_relobj::attributes_section_data): New method definition.
6612 (Arm_relobj::attributes_section_data_): New data member declaration.
6613 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6614 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6615 attributes_section_data_.
6616 (Arm_dynobj::attributes_section_data): New method definition.
6617 (Arm_dynobj::attributes_section_data_): New data member declaration.
6618 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
6619 initialization value of may_use_blx_ to false.
6620 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6621 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6622 object attributes to compute results instead of hard-coding.
6623 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6624 Target_arm::get_secondary_compatible_arch,
6625 Target_arm::set_secondary_compatible_arch
6626 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6627 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6628 New method declarations.
6629 (Target_arm::get_aeabi_object_attribute): New method definition.
6630 (Target_arm::attributes_section_data_): New data member declaration.
6631 (read_arm_attributes_section): New template definition.
6632 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6633 (Arm_dynobj::do_read_symbols): Ditto.
6634 (Target_arm::do_finalize_sections): Merge attributes sections from
6635 input. Check for BLX use after attributes section merging.
6636 Fix __exidx_start and __exidx_end visibility. Create an
6637 .ARM.attributes section if necessary.
6638 (Target_arm::get_secondary_compatible_arch,
6639 Target_arm::set_secondary_compatible_arch,
6640 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6641 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
e1df38aa 6642 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
a0351a69
DK		 6643 New method definitions.
6644
b59befec
ILT		 66452009-12-09 Ian Lance Taylor <iant@google.com>
6646
6647 * plugin.cc (Plugin::load): Don't cast from void* to a function
6648 pointer.
6649
1276bc89
ILT		 66502009-12-09 Ian Lance Taylor <iant@google.com>
6651
6652 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6653 information fields.
6654
2f2de248
L		 66552009-12-09 H.J. Lu <hongjiu.lu@intel.com>
6656
6657 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6658 Replace two_file_shared_1.so with two_file_shared_2.so.
6659 * testsuite/Makefile.in: Regenerated.
6660
4f787271
DK		 66612009-12-08 Doug Kwan <dougkwan@google.com>
6662
6663 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6664 (HFILES): Add attributes.h and int_encoding.h.
6665 * Makefile.in: Regenerate.
6666 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6667 function definitions to int_encoding.cc
6668 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6669 prototypes to int_encoding.h
6670 * reduced_debug_output.cc (int_encoding.h): New include.
6671 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6672 function definitions to int_encoding.cc
6673 (insert_into_vector, read_from_pointer): Move template definitions to
6674 int_encoding.h
6675 * attributes.cc: New file.
6676 * attributes.h: New file.
6677 * int_encoding.cc: New file.
6678 * int_encoding.h: New file.
6679
20b52f1a
RÁE		 66802009-12-07 Rafael Avila de Espindola <espindola@google.com>
6681
6682 PR gold/11055
6683 * incremental-dump.cc (dump_incremental_inputs): New.
6684 (main): Use dump_incremental_inputs.
6685
53d7974c
L		 66862009-12-07 H.J. Lu <hongjiu.lu@intel.com>
6687
6688 PR gold/10893
6689 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6690 checking elfcpp::STT_FUNC.
6691 (Target_i386::Relocate::relocate): Likewise.
6692 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6693
6694 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6695 symbols from shared libraries into normal FUNC symbols.
6696
6697 * symtab.h (Symbol): Add is_func and use it.
6698
05a352e6
DK		 66992009-12-05 Doug Kwan <dougkwan@google.com>
6700
6701 * arm.cc (Target_arm::arm_info): Initialize new fields
6702 attributes_section and attributes_vendor.
6703 * i386.cc (Target_i386::i386_info): Same.
6704 * object.cc (Sized_relobj::do_layout): Skip attribute section.
6705 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6706 fields attributes_section and attributes_vendor.
53d7974c 6707 * sparc.cc (Target_sparc::sparc_info): Same.
05a352e6
DK		 6708 * target.h (Target::attributes_section, Target::attributes_vendor,
6709 Target::is_attributes_section, Target::attribute_arg_type,
6710 Target::attributes_order): New method definitions.
6711 (Target::Target_info::attributes_section,
6712 Target::Target_info::attributes_vendor): New fields.
6713 (Target::do_attribute_arg_type, Target::do_attributes_order): New
6714 virtual method definitions.
6715 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6716 attributes_section and attributes_vendor.
6717 * testsuite/testfile.cc (Target_test::test_target_info): Same.
6718
f4e5969c
DK		 67192009-12-05 Doug Kwan <dougkwan@google.com>
6720
6721 * arm.cc: Update comments about interworking and stub generation.
6722 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6723 considered as non-PIC.
6724 (Arm_relocate_functions::base_abs): Fix formatting.
6725 (Arm_relocate_functions::got_prel): Fix comment. Change interface
6726 of function to use GOT entry address instead of offset.
6727 (Target_arm::Scan::global): Issue an error if a symbol would need a
6728 PLT does not get one because it is untyped. Remove code to create
6729 dynamic symbols for relative branches.
6730 (Target_arm::Relocate::relocate: Use 0 instead of false since function
6731 takes unsigned integer instead of boolean.
6732
1abce4a6
L		 67332009-12-05 H.J. Lu <hongjiu.lu@intel.com>
6734
6735 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6736 (two_file_test_LDADD): Likewise.
6737 (common_test_1_LDADD): Likewise.
6738 (exception_test_LDADD) Likewise.
6739 (weak_test_LDADD): Likewise.
6740 (many_sections_test_LDADD): Likewise.
6741 (initpri1_LDADD): Likewise.
6742 (script_test_1_LDADD): Likewise.
6743 (script_test_2_LDADD): Likewise.
6744 (justsyms_LDADD): Likewise.
6745 (binary_test_LDADD): Likewise.
6746 (large_LDADD): Likewise.
6747 * testsuite/Makefile.in: Regenerated.
6748
adcf2816 67492009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1abce4a6 6750
adcf2816
L		 6751 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6752 (Symbol_table::override_with_special): Likewise.
6753 (Symbol_table::add_from_object): Likewise.
6754
28e67f5d
RÁE		 67552009-12-04 Rafael Avila de Espindola <espindola@google.com>
6756
6757 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6758 Don't set the data_offset twice.
6759
ae10a101
RÁE		 67602009-12-04 Rafael Avila de Espindola <espindola@google.com>
6761
6762 * testsuite/Makefile.in: Regenerate.
6763
f59f41f3
DK		 67642009-12-03 Doug Kwan <dougkwan@google.com>
6765
6766 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6767 (Target_arm::do_finalize_sections): Add parameter for symbol table
6768 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
6769 * i386.cc (Target_i386::do_finalize_sections): Add an additional
6770 parameter for symbol table pointer.
6771 * layout.cc (Layout::finalize): Call Target::finalize_sections with
6772 an additional parameter for a pointer to symbol table.
6773 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6774 parameter for a symbol table pointer.
6775 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6776 * target.h (Target::finalize_sections, Target::do_finalize_sections):
6777 Ditto.
6778 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6779 parameter for a symbol table pointer.
6780
ca55d848
RÁE		 67812009-12-03 Rafael Avila de Espindola <espindola@google.com>
6782
6783 * incremental.cc (Incremental_inputs_header)
6784 (Incremental_inputs_header_write, Incremental_inputs_entry)
6785 (Incremental_inputs_entry_write): Move ...
6786 * incremental.h (Incremental_inputs_header)
6787 (Incremental_inputs_header_write, Incremental_inputs_entry)
6788 (Incremental_inputs_entry_write): here.
6789
3aec4f9c
RÁE		 67902009-12-02 Rafael Avila de Espindola <espindola@google.com>
6791
6792 * incremental.cc (make_sized_incremental_binary): Set the target.
6793 Error if it is incompatible.
6794 * output.h (Output_file): Add filename method.
6795
9c0ae74d
RÁE		 67962009-12-02 Rafael Avila de Espindola <espindola@google.com>
6797
6798 * incremental.cc (Incremental_inputs_entry): Remove unused argument
6799 from the get_* methods.
6800
a45500ae
RÁE		 68012009-12-02 Rafael Avila de Espindola <espindola@google.com>
6802
6803 * incremental-dump.cc (main): Check that the offeset of a script is 0.
6804 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6805 Write 0 for the data_offset of scripts.
6806
325e6408
RÁE		 68072009-12-02 Rafael Avila de Espindola <espindola@google.com>
6808
6809 * testsuite/Makefile.am: Add the incremental_test.sh test.
6810 * testsuite/incremental_test.sh: New.
6811 * testsuite/incremental_test_1.c: New.
6812 * testsuite/incremental_test_2.c: New.
6813
954c3e2e
RÁE		 68142009-12-01 Rafael Avila de Espindola <espindola@google.com>
6815
6816 * incremental-dump.cc (main): Fix typos.
6817
f8086623
RÁE		 68182009-11-27 Rafael Avila de Espindola <espindola@google.com>
6819
6820 PR gold/11025
6821 * incremental-dump.cc (main): Use llu to print 64 bit values.
6822
3b0dd6ac
L		 68232009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
6824 H.J. Lu <hongjiu.lu@intel.com>
6825
6826 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6827 $(LIBDL).
6828 (incremental_dump_LDADD): Likewise.
6829 * Makefile.in: Regenerated.
6830
a6d1ef57 68312009-11-25 Doug Kwan <dougkwan@google.com>
e1df38aa 6832
a6d1ef57
DK		 6833 Revert:
6834
6835 2009-11-25 Doug Kwan <dougkwan@google.com>
6836
6837 * arm.cc (Target_arm::Target_arm): Move method definition
6838 outside of class definition. Add code to handle
6839 --target1-rel, --target1-abs and --target2= options.
6840 (Target_arm::get_reloc_reloc_type): Change method to be
6841 non-static and const.
6842 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6843 New data member declaration.
6844 (Target_arm::Scan::local, Target_arm::Scan::global,
6845 Target_arm::Relocate::relocate,
6846 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6847 Adjust call to Target_arm::get_real_reloc_type.
6848 (Target_arm::get_real_reloc_type): Use command line options
6849 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6850 * options.h (--target1-rel, --target1-abs, --target2): New
6851 ARM-only options.
6852
50aeb7d4
DK		 68532009-11-25 Doug Kwan <dougkwan@google.com>
6854
6855 * arm.cc (Target_arm::Target_arm): Move method definition outside of
6856 class definition. Add code to handle --target1-rel, --target1-abs
6857 and --target2= options.
6858 (Target_arm::get_reloc_reloc_type): Change method to be non-static
6859 and const.
6860 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6861 member declaration.
6862 (Target_arm::Scan::local, Target_arm::Scan::global,
6863 Target_arm::Relocate::relocate,
6864 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6865 call to Target_arm::get_real_reloc_type.
6866 (Target_arm::get_real_reloc_type): Use command line options to
6867 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6868 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6869 options.
6870
51938283
DK		 68712009-11-25 Doug Kwan <dougkwan@google.com>
6872
6873 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6874 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6875 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6876 formatting.
6877 (Arm_relocate_functions::thm_call): Replace body with a call to
6878 Arm_relocate_functions::thumb_branch_common.
6879 (Arm_relocate_functions::thm_jump24,
6880 Arm_relocate_functions::thm_xpc22): New method definitions.
6881 (Arm_relocate_functions::thumb_branch_common): New method definition.
6882 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6883 operator.
6884 (Target_arm::Relocate::relocate): Adjust call to thm_call.
6885 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6886
e2b8f3c4
RÁE		 68872009-11-24 Rafael Avila de Espindola <espindola@google.com>
6888
6889 * Makefile.am: Build incremental-dump
6890 * Makefile.in: Regenerate.
6891 * incremental-dump.cc: New.
6892 * incremental.cc (Incremental_inputs_header_data,
6893 Incremental_inputs_entry_data): Move to incremental.h
6894 * incremental.h: (Incremental_inputs_header_data,
6895 Incremental_inputs_entry_data): Move from incremental.cc
6896
bcba9aec
RÁE		 68972009-11-24 Rafael Avila de Espindola <espindola@google.com>
6898
6899 * incremental.cc (Incremental_inputs_header,
6900 Incremental_inputs_header_write, Incremental_inputs_entry,
6901 Incremental_inputs_entry_write): Add a typedef with the data type.
6902
7c3afe08
RÁE		 69032009-11-24 Rafael Avila de Espindola <espindola@google.com>
6904
6905 * incremental.cc (Incremental_inputs_header,
6906 Incremental_inputs_header_write, Incremental_inputs_entry,
6907 Incremental_inputs_entry_write): Update comment about which
6908 type has the filed descriptions.
6909
d204b6e9
DK		 69102009-11-15 Doug Kwan <dougkwan@google.com>
6911
6912 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6913 (Arm_relocate_functions::arm_branch_common): Change method defintion
6914 in class definition to a method declaration and update list of formal
6915 parameters.
6916 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6917 Arm_relocation_functions::jump24): Adjust call to
6918 Arm_relocate_functions::arm_branch_common. Update list of formal
6919 parameters.
6920 (Arm_relocate_functions::xpc25): New method definition.
6921 (Arm_relocate_functions::arm_branch_common): Move method defintion
6922 out from class definition. Use stubs for mode-switching and extending
6923 branch ranges.
6924 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6925 specially. Change code to enable use of stubs in ARM branches.
6926
43d12afe
DK		 69272009-11-10 Doug Kwan <dougkwan@google.com>
6928
6929 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6930 in method declaration.
6931 (Target_arm::relocate_stub): New method declaration.
6932 (Target_arm::default_target): Change to return a pointer instead of
6933 a const reference.
6934 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6935 Target_arm::default_target.
6936 (Arm_Relobj::do_relocate_sections): Remove options paramater in
6937 method definition.
6938 (Target_arm::relocate_section): Adjust view.
6939 (Target_arm::relocate_stub): New method definition.
6940
ac33a407
DK		 69412009-11-10 Doug Kwan <dougkwan@google.com>
6942
6943 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6944 a format warning.
6945 * incremental.cc (open_incremental_binary): Initialized local
6946 variables to avoid warnings.
6947 * object.cc (make_elf_object): Ditto.
6948 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6949 a format warning.
e1df38aa 6950
88ee28e9
L		 6951009-11-09 H.J. Lu <hongjiu.lu@intel.com>
6952
6953 PR gold/10930
6954 * testsuite/plugin_test.c: Include "config.h".
6955
2daedcd6
DK		 69562009-11-09 Doug Kwan <dougkwan@google.com>
6957
6958 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6959 (arm_symbol_value): Remove.
6960 (Arm_relocate_functions::arm_branch_common,
6961 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6962 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6963 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6964 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6965 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6966 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6967 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6968 Arm_relocate_functions::thm_mobw_abs_nc,
6969 Arm_relocate_functions::thm_mov_abs,
6970 Arm_relocate_functions::movw_prel_nc,
6971 Arm_relocate_functions::thm_movt_abs,
6972 Arm_relocate_functions::movt_prel,
6973 Arm_relocate_functions::thm_movw_prel_nc,
6974 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6975 (Target_arm::Relocate::relocate): Only decompose address into two
6976 parts if relocation type uses the thumb-bit and pass the actual
6977 bit instead of a flag indicating that the thumb-bit is used. Adjust
6978 calls to methods in Arm_relocate_functions for this change.
6979
1276bc89 69802009-11-08 Ian Lance Taylor <iant@google.com>
3e4afc80
ILT		 6981
6982 PR 10925
6983 * reloc.cc: Instantiate
6984 Sized_relobj::initialize_input_to_output_maps and
6985 Sized_relobj:free_input_to_output_maps.
6986
e53ad1b5
ILT		 69872009-11-06 Ian Lance Taylor <iant@google.com>
6988
6989 PR 10876
6990 * defstd.cc (in_segment): Set only_if_ref true for "end".
6991
eb44217c
DK		 69922009-11-06 Doug Kwan <dougkwan@google.com>
6993
6994 * arm.cc (class Reloc_stub): Correct a comment.
6995 (Target_arm::Target_arm): Initialize arm_input_section_map_.
6996 (Target_arm::scan_section_for_stubs): New method declaration.
6997 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6998 Change methods from private to protected.
6999 (Target_arm::do_may_relax): New method definition.
7000 (Target_arm::do_relax, Target_arm::group_sections,
7001 Target_arm::scan_reloc_for_stub,
7002 Target_arm::scan_reloc_section_for_stubs): New method declarations.
7003 (Target_arm::arm_input_section_map_): New data member declaration.
7004 (Target_arm::scan_reloc_for_stub,
7005 Target_arm::scan_reloc_section_for_stubs,
7006 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
7007 Target_arm::do_relax): New method definitions.
7008
5d329b7d
ILT		 70092009-11-06 Mikolaj Zalewski <mikolaj@google.com>
7010
7011 * configure.ac: Check for (struct stat)::st_mtim
7012 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
7013 * config.in: Regenerate.
7014 * configure: Regenerate.
7015
96a0d71b
ILT		 70162009-11-05 Ian Lance Taylor <iant@google.com>
7017
7018 PR 10910
7019 * output.cc (Output_segment::add_output_section): Add missing
7020 return statement.
7021
594c8e5e
ILT		 70222009-11-04 Ian Lance Taylor <iant@google.com>
7023
7024 PR 10880
7025 * object.h (class Object): Add is_needed and set_is_needed
7026 methods. Add is_needed_ field. Make bool fields into bitfields.
7027 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
7028 defined in a dynamic object and referenced by a regular object,
7029 set is_needed for the dynamic object.
7030 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
7031 if the file is marked with as_needed and it is not needed.
7032
22b127cc
ILT		 70332009-11-04 Ian Lance Taylor <iant@google.com>
7034
7035 PR 10887
7036 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
7037 tags if data is discarded by linker script.
7038 * i386.cc (Target_i386::do_finalize_sections): Likewise.
7039 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
7040 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
7041 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
7042
f5c870d2
ILT		 70432009-11-04 Ian Lance Taylor <iant@google.com>
7044
7045 * layout.cc (Layout::get_output_section): Add is_interp and
7046 is_dynamic_linker_section parameters. Change all callers.
7047 (Layout::choose_output_section): Likewise.
7048 (Layout::make_output_section): Likewise.
7049 (Layout::add_output_section_data): Add is_dynamic_linker_section
7050 parameter. Change all callers.
7051 * layout.h (class Layout): Update declarations.
7052 * output.h (class Output_section): Add is_interp, set_is_interp,
7053 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
7054 Add is_interp_, is_dynamic_linker_section_ fields. Change
7055 generate_code_fills_at_write_ to a bitfield.
7056 * output.cc (Output_section::Output_sections): Initialize new
7057 fields.
7058 (Output_segment::add_output_section): Add do_sort parameter.
7059 Change all callers.
7060
1ae4d23b
ILT		 70612009-11-03 Ian Lance Taylor <iant@google.com>
7062
7063 PR 10860
7064 * options.h (class General_options): Add --warn-common.
7065 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
7066 merging two common symbols.
7067 (Symbol_table::should_override): Handle --warn-common when merging
7068 a common symbol with a defined symbol. Use report_resolve_problem
7069 for multiple definitions.
7070 (Symbol_table::report_resolve_problem): New function.
7071 * symtab.h (class Symbol_table): Declare report_resolve_problem.
7072
55da9579
DK		 70732009-11-03 Doug Kwan <dougkwan@google.com>
7074
7075 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
7076 stub_factory_.
7077 (Target_arm::stub_factory): New method definition.
7078 (Target_arm::new_arm_input_section,
7079 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
7080 Target_arm::reloc_uses_thumb_bit): New method declarations.
e1df38aa 7081 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
55da9579
DK		 7082 New type definitions.
7083 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
7084 member declarations.
7085 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
7086 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
7087 New method definitions.
7088
37a9ac43
ILT		 70892009-11-03 Ian Lance Taylor <iant@google.com>
7090
7091 * options.h (class General_options): Add --warn_constructors.
7092
b3d6a3d4
ILT		 70932009-11-03 Ian Lance Taylor <iant@google.com>
7094
7095 PR 10893
7096 * defstd.cc (in_section): Add entries for __rel_iplt_start,
7097 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
7098
934b01dd
ILT		 70992009-11-03 Ian Lance Taylor <iant@google.com>
7100
7101 PR 10895
7102 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
7103 --msgid-bugs-address.
7104 (install-pdf): New target.
7105 (install-data_yes): Look up one directory to find mkinstalldirs.
7106
03c1939b
L		 71072009-11-03 H.J. Lu <hongjiu.lu@intel.com>
7108
7109 * po/Make-in (.po.gmo): Don't generate .gmo files in source
7110 tree.
7111
ebd95253
DK		 71122009-10-30 Doug Kwan <dougkwan@google.com>
7113
7114 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
7115
e9bbb538
DK		 71162009-10-30 Doug Kwan <dougkwan@google.com>
7117
7118 * arm.cc (Stub_addend_reader): New struct template definition
7119 and partial specializations.
7120 (Stub_addend_reader::operator()): New method definition for a
7121 partially specialized template.
7122
d5b40221
DK		 71232009-10-30 Doug Kwan <dougkwan@google.com>
7124
7125 * arm.cc (Arm_relobj::processor_specific_flags): New method
7126 definition.
7127 (Arm_relobj::do_read_symbols): New method declaration.
7128 (Arm_relobj::processor_specific_flags_): New data member declaration.
7129 (Arm_dynobj): New class definition.
7130 (Target_arm::do_finalize_sections): Add input_objects parameter.
7131 (Target_arm::do_adjust_elf_header): New method declaration.
7132 (Target_arm::are_eabi_versions_compatible,
7133 (Target_arm::merge_processor_specific_flags): New method declaration.
7134 (Target_arm::do_make_elf_object): New overloaded method definitions
7135 and declaration.
7136 (Arm_relobj::do_read_symbols): New method definition.
7137 (Arm_dynobj::do_read_symbols): Ditto.
7138 (Target_arm::do_finalize_sections): Add input_objects parameters.
7139 Merge processor-specific flags from all input objects.
7140 (Target_arm::are_eabi_versions_compatible,
7141 Target_arm::merge_processor_specific_flags,
7142 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
7143 New method definitions.
7144 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
7145 Input_objects pointer type parameter.
7146 * layout.cc (Layout::finalize): Pass input objects to target's.
7147 finalize_sections function.
7148 * output.cc (Output_file_header::do_sized_write): Set ELF file
7149 header's processor-specific flags.
7150 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
7151 Input_objects pointer type parameter.
7152 * sparc.cc (Target_sparc::do_finalize_sections): Same.
7153 * target.h (Input_objects): New forward class declaration.
7154 (Target::processor_specific_flags,
7155 Target::are_processor_specific_flags_sect): New method definitions.
7156 (Target::finalize_sections): Add input_objects parameter.
7157 (Target::Target): Initialize processor_specific_flags_ and
7158 are_processor_specific_flags_set_.
7159 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
7160 parameter.
7161 (Target::set_processor_specific_flags): New method definition.
7162 (Target::processor_specific_flags_,
7163 Target::are_processor_specific_flags_set_): New data member
7164 declarations.
7165 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
7166 Input_objects pointer type parameter.
7167
ebabffbd
DK		 71682009-10-30 Doug Kwan <dougkwan@google.com>
7169
7170 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
7171
ad0f2072
ILT		 71722009-10-28 Ian Lance Taylor <iant@google.com>
7173
7174 * object.h (class Relobj): Drop options parameter from
7175 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
7176 do_scan_relocs, do_relocate. Change all callers.
7177 (class Sized_relobj): Drop options parameters from
7178 do_gc_process_relocs, do_scan_relocs, do_relocate,
7179 do_relocate_sections, relocate_sections, emit_relocs_scan,
7180 emit_relocs_scan_reltype. Change all callers.
7181 (struct Relocate_info): Remove options field and all references to
7182 it.
7183 * reloc.h (class Read_relocs): Remove options constructor
7184 parameter and options_ field. Change all callers.
7185 (class Gc_process_relocs, class Scan_relocs): Likewise.
7186 (class Relocate_task): Likewise.
7187 * target-reloc.h (scan_relocs): Remove options parameter. Change
7188 all callers.
7189 (scan_relocatable_relocs): Likewise.
7190 * target.h (class Sized_target): Remove options parameter from
7191 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
7192 all callers.
7193 * gc.h (gc_process_relocs): Remove options parameter. Change all
7194 callers.
7195 * arm.cc: Update functions to remove options parameters.
7196 * i386.cc: Likewise.
7197 * powerpc.cc: Likewise.
7198 * sparc.cc: Likewise.
7199 * x86_64.cc: Likewise.
7200 * testsuite/testfile.cc: Likewise.
7201
8ffa3667
DK		 72022009-10-28 Doug Kwan <dougkwan@google.com>
7203
7204 * arm.cc (Arm_relobj): New class definition.
e1df38aa 7205 (Arm_relobj::scan_sections_for_stubs,
8ffa3667
DK		 7206 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
7207 New method definitions.
7208
40f36857
CC		 72092009-10-28 Cary Coutant <ccoutant@google.com>
7210
7211 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
7212 (Plugin::cleanup_done_): New member.
7213 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
7214 (Plugin_manager::cleanup_done_): Remove.
7215 (Plugin_manager::add_input_file): Edit error message.
7216 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
7217 (Plugin_manager::cleanup): Remove use of cleanup_done_.
7218
2c849493
ILT		 72192009-10-27 Mikolaj Zalewski <mikolajz@google.com>
7220
7221 * fileread.cc: (File_read::View::~View): Use the new
7222 data_ownership_ filed.
7223 (File_read::~File_read): Dispose the new whole_file_view_.
7224 (File_read::open): Mmap the whole file if needed.
7225 (File_read::open): Use whole_file_view_ instead of contents_.
7226 (File_read::find_view): Use whole_file_view_ if applicable.
7227 (File_read::do_read): Use whole_file_view_ instead of contents_.
7228 (File_read::make_view): Use whole_file_view_ instead of contents_,
7229 update File_read::View::View call.
7230 (File_read::find_or_make_view): Update File_read::View::View
7231 call.
7232 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
7233 remove contents_
7234 (File_read::View::Data_ownership): New enum.
7235 (File_read::View::View): Replace bool mapped_ with Data_ownership
7236 argument.
7237 (File_read::View::mapped_): Remove (replaced by data_ownership_).
7238 (File_read::View::data_ownership_): New field.
7239 (File_read::contents_): Remove (replaced by whole_file_view_).
7240 (File_read::whole_file_view_): New field.
7241 * options.h (class General_options): Add --keep-files-mapped.
7242
24998053
CC		 72432009-10-27 Cary Coutant <ccoutant@google.com>
7244
7245 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
7246 * testsuite/Makefile.am (plugin_test_5): New test case.
7247 * testsuite/Makefile.in: Regenerate.
7248
72adc4fa
DK		 72492009-10-25 Doug Kwan <dougkwan@google.com>
7250
7251 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
7252 from private to protected to allow access by child class.
7253 (Sized_relobj::do_relocate_sections): New method declaration.
7254 (Sized_relobj::relocate_sections): Virtualize.
e1df38aa 7255 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
72adc4fa
DK		 7256 Sized_relobj::relocate_sections. Instantiate template explicitly
7257 for different target sizes and endianity.
7258
07f508a2
DK		 72592009-10-24 Doug Kwan <dougkwan@google.com>
7260
7261 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
7262 (Arm_input_section::as_arm_input_section): New method.
7263 (Arm_output_section): New class definition.
7264 (Arm_output_section::create_stub_group,
7265 Arm_output_section::group_sections): New method definitions.
7266
10ad9fe5
DK		 72672009-10-22 Doug Kwan <dougkwan@google.com>
7268
7269 * arm.cc (Arm_input_section): New class definition.
7270 (Arm_input_section::init, Arm_input_section:do_write,
7271 Arm_input_section::set_final_data_size,
7272 Arm_input_section::do_reset_address_and_file_offset): New method
7273 definitions.
7274
56ee5e00
DK		 72752009-10-21 Doug Kwan <dougkwan@google.com>
7276
7277 * arm.cc (Stub_table, Arm_input_section): New forward class
7278 declarations.
7279 (Stub_table): New class defintion.
7280 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
7281 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
7282 New method definition.
7283
b569affa
DK		 72842009-10-21 Doug Kwan <dougkwan@google.com>
7285
7286 * arm.cc: Update copyright comments.
7287 (Target_arm): New forward class template declaration.
7288 (Arm_address): New type.
7289 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
7290 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
7291 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
7292 constants.
7293 (Insn_template): Same.
7294 (DEF_STUBS): New macro.
7295 (Stub_type): New enum type.
7296 (Stub_template): New class definition.
7297 (Stub): Same.
7298 (Reloc_stub): Same.
7299 (Stub_factory): Same.
7300 (Target_arm::Target_arm): Initialize may_use_blx_ and
7301 should_force_pic_veneer_.
7302 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
7303 Target_arm::should_force_pic_veneer,
7304 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
7305 Target_arm::using_thumb_only, Target_arm:;default_target): New
7306 method defintions.
7307 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
7308 New data member declarations.
7309 (Insn_template::size, Insn_template::alignment): New method defintions.
7310 (Stub_template::Stub_template): New method definition.
7311 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
7312 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
7313 (Stub_factory::Stub_factory): New method definition.
7314 * gold.h (string_hash): New template.
7315 * output.h (Input_section_specifier::hash_value): Use
7316 gold::string_hash.
7317 (Input_section_specifier::string_hash): Remove.
7318 * stringpool.cc (Stringpool_template::string_hash): Use
7319 gold::string_hash.
7320
6c172549
DK		 73212009-10-20 Doug Kwan <dougkwan@google.com>
7322
7323 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
7324 symbols of relaxed input sections.
7325 * output.h (Output_section::find_relaxed_input_section): Make
7326 method public.
7327
c5617f2f
DK		 73282009-10-16 Doug Kwan <dougkwan@google.com>
7329
7330 * dynobj.cc (Versions::Versions): Initialize version_script_.
7331 Only insert base version symbol definition for a shared object
7332 if version script defines any version versions.
7333 (Versions::define_base_version): New method definition.
7334 (Versions::add_def): Check that base version is not needed.
7335 (Versions::add_need): Define base version lazily.
7336 * dynobj.h (Versions::define_base_version): New method declaration.
7337 (Versions::needs_base_version_): New data member declaration.
7338 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
7339 (check_DATA): Add no_version_test.stdout.
7340 (libno_version_test.so, no_version_test.o no_version_test.stdout):
7341 New make rules.
7342 * testsuite/Makefile.in: Regenerate.
7343 * testsuite/no_version_test.c: New file.
7344 * testsuite/no_version_test.sh: Ditto.
7345
3c12dcdb
DK		 73462009-10-16 Doug Kwan <dougkwan@google.com>
7347
7348 * expression.cc (class Segment_start_expression): New class definition.
7349 (Segment_start_expression::value): New method definition.
7350 (script_exp_function_segment_start): Return a new
7351 Segment_start_expression.
7352 * gold/script-c.h (script_saw_segment_start_expression): New function
7353 prototype.
7354 * script-sections.cc (Script_sections::Script_sections): Initialize
7355 SAW_SEGMENT_START_EXPRESSION_ to false.
7356 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
7357 and -Tbbs options to specify section addresses if given in
7358 command line and no SEGMENT_START expression is seen in a script.
7359 * script-sections.h (Script_sections::saw_segment_start_expression,
7360 Script_sections::set_saw_segment_start_expression): New method
7361 definition.
7362 (Script_sections::saw_segment_start_expression_): New data member
7363 declaration.
7364 * script.cc (script_saw_segment_start_expression): New function.
7365 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
7366 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
7367 script_test_7.sh and script_test_8.sh.
7368 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
7369 script_test_8.stdout.
7370 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
7371 (script_test_6, script_test_6.stdout, script_test_7,
7372 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
7373 * Makefile.in: Regenerate.
7374 * testsuite/script_test_6.sh: New file.
7375 * testsuite/script_test_6.t: Same.
7376 * testsuite/script_test_7.sh: Same.
7377 * testsuite/script_test_7.t: Same.
7378 * testsuite/script_test_8.sh: Same.
7379
64b1ae37
DK		 73802009-10-16 Doug Kwan <dougkwan@google.com>
7381
7382 * output.cc (Output_segment::set_section_list_address): Cast
7383 expressions to unsigned long long type to avoid format warnings.
7384
661be1e2
ILT		 73852009-10-15 Ian Lance Taylor <iant@google.com>
7386
12edd763 7387 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 7388 dot assignment to script_sections_.
12edd763
ILT		 7389 * script-sections.cc (Script_sections::add_dot_assignment):
7390 Initialize if necessary.
7391
68b6574b
ILT		 7392 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
7393 program headers with no load segment if there is a linker script.
7394
661be1e2
ILT		 7395 * layout.cc (Layout::set_segment_offsets): Align the file offset
7396 to the segment aligment for -N or -n with no load segment.
7397 * output.cc (Output_segment::add_output_section): Don't crash if
7398 the first section is a TLS section.
7399 (Output_segment::set_section_list_addresses): Print an error
7400 message if the address moves backward in a linker script.
7401 * script-sections.cc
7402 (Output_section_element_input::set_section_addresses): Don't
7403 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
7404 (Orphan_output_section::set_section_addresses): Likewise.
7405
f15f61a7
DK		 74062009-10-15 Doug Kwan <dougkwan@google.com>
7407
7408 * layout.cc (Layout::finish_dynamic_section): Generate tags
7409 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
7410 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
7411 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
7412
82bb573a
ILT		 74132009-10-14 Ian Lance Taylor <iant@google.com>
7414
7415 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
7416 fields.
7417 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
7418 data_shdr fields of relinfo.
7419 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
7420 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
7421 R_386_TLS_LDO_32, adjust based on section flags.
7422 (Target_i386::Relocate::fix_up_ldo): Remove.
7423
374ad285
ILT		 74242009-10-13 Ian Lance Taylor <iant@google.com>
7425
7426 Add support for -pie.
7427 * options.h (class General_options): Add -pie and
7428 --pic-executable.
7429 (General_options::output_is_position_independent): Test -pie.
7430 (General_options::output_is_executable): Return true if not shared
7431 and not relocatable.
7432 (General_options::output_is_pie): Remove.
7433 * options.cc (General_options::finalize): Reject incompatible uses
7434 of -pie.
7435 * gold.cc (queue_middle_tasks): A -pie link is not static.
7436 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
7437 * symtab.cc (Symbol::final_value_is_known): Return false if
7438 output_is_position_independent.
7439 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
7440 output_is_position_independent.
7441 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
7442 output_is_position_independent.
7443 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
7444 output_is_position_independent.
7445 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
7446 two_file_pie_test.
7447 (basic_pie_test.o, basic_pie_test): New targets.
7448 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7449 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7450 (two_file_pie_test): New target.
7451 * testsuite/Makefile.in: Rebuild.
7452 * README: Remove note saying that -pie is not supported.
7453
c6585162
ILT		 74542009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
7455
7456 * options.h (class General_options): Add -init and -fini.
7457 * layout.cc (Layout::finish_dynamic_section): Emit
7458 given init and fini functions.
7459
032ce4e9
ST		 74602009-10-13 Sriraman Tallam <tmsriram@google.com>
7461
7462 * gc.h (gc_process_relocs): Check if icf is enabled using new
7463 function.
7464 * gold.cc (queue_initial_tasks): Likewise.
7465 (queue_middle_tasks): Likewise.
7466 * object.cc (do_layout): Likewise.
7467 * symtab.cc (is_section_folded): Likewise.
7468 * main.cc (main): Likewise.
7469 * reloc.cc (Read_relocs::run): Likewise.
7470 (Sized_relobj::do_scan_relocs): Likewise.
7471 * icf.cc (is_function_ctor_or_dtor): New function.
7472 (Icf::find_identical_sections): Check if function is ctor or dtor when
7473 safe icf is chosen.
7474 * options.h (General_options::icf): Change option to be an enum.
7475 (Icf_status): New enum.
7476 (icf_enabled): New method.
7477 (icf_safe_folding): New method.
7478 (set_icf_status): New method.
7479 (icf_status_): New variable.
7480 * (options.cc) (General_options::finalize): Set icf_status_.
7481 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7482 icf_test and icf_keep_unique_test to use the --icf enum flag.
7483 * testsuite/icf_safe_test.sh: New file.
e1df38aa 7484 * testsuite/icf_safe_test.cc: New file.
032ce4e9 7485
f345227a
ST		 74862009-10-12 Sriraman Tallam <tmsriram@google.com>
7487
7488 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7489 includes to gc.h and icf.h.
7490 * arm.cc: Include gc.h.
7491 * gold.cc: Likewise.
7492 * i386.cc: Likewise.
7493 * powerpc.cc: Likewise.
7494 * sparc.cc: Likewise.
7495 * x86_64.cc: Likewise.
7496 * gc.h: Include icf.h.
7497
1c7814ed
ILT		 74982009-10-11 Ian Lance Taylor <iant@google.com>
7499
7500 * plugin.cc: Include "gold.h" before other header files.
7501
ae3b5189
CD		 75022009-10-10 Chris Demetriou <cgd@google.com>
7503
7504 * options.h (Input_file_argument::Input_file_type): New enum.
7505 (Input_file_argument::is_lib_): Replace with...
7506 (Input_file_argument::type_): New member.
7507 (Input_file_argument::Input_file_argument): Take Input_file_type
7508 'type' rather than boolean 'is_lib' as second argument.
7509 (Input_file_argument::is_lib): Use type_.
7510 (Input_file_argument::is_searched_file): New function.
7511 (Input_file_argument::may_need_search): Handle is_searched_file.
7512 * options.cc (General_options::parse_library): Support -l:filename.
7513 (General_options::parse_just_symbols): Update for Input_file_argument
7514 changes.
7515 (Command_line::process): Likewise.
7516 * archive.cc (Archive::get_file_and_offset): Likewise.
7517 * plugin.cc (Plugin_manager::release_input_file): Likewise.
7518 * script.cc (read_script_file, script_add_file): Likewise.
7519 * fileread.cc (Input_file::Input_file): Likewise.
7520 (Input_file::will_search_for): Handle is_searched_file.
7521 (Input_file::open): Likewise.
7522 * readsyms.cc (Read_symbols::get_name): Likewise.
7523 * testsuite/Makefile.am (searched_file_test): New test.
7524 * testsuite/Makefile.in: Regenerate.
7525 * testsuite/searched_file_test.cc: New file.
7526 * testsuite/searched_file_test_lib.cc: New file.
7527
f3048a1d
ILT		 75282009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7529 Ian Lance Taylor <iant@google.com>
7530
7531 * descriptor.cc: Include <cstdio> and "binary-io.h".
7532 (Descriptors::open): Open the files in binary mode always.
7533 * script.cc (Lex::get_token): Treat \r as whitespace.
7534
d4780e57
ILT		 75352009-10-09 Ian Lance Taylor <iant@google.com>
7536
7537 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7538
d9a893b8
ILT		 75392009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7540 Ian Lance Taylor <iant@google.com>
7541
7542 * configure.ac: Check for readv function also.
7543 * fileread.cc (readv): Define if not HAVE_READV.
7544 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7545 does not exist.
7546 * config.in: Regenerate.
7547 * configure: Regenerate.
7548
c0a62865
DK		 75492009-10-09 Doug Kwan <dougkwan@google.com>
7550
7551 * layout.cc (Layout::make_output_section): Call target hook to make
7552 ordinary output section.
7553 (Layout::finalize): Adjust parameter list of call the
7554 Target::may_relax().
7555 * layout.h (class Layout::section_list): New method.
7556 * merge.h (Output_merge_base::entsize): Change visibility to public.
7557 (Output_merge_base::is_string, Output_merge_base::do_is_string):
7558 New methods.
7559 (Output_merge_string::do_is_string): New method.
7560 * object.cc (Sized_relobj::do_setup): renamed from
7561 Sized_relobj::set_up.
7562 * object.h (Sized_relobj::adjust_shndx,
7563 Sized_relobj::initializ_input_to_output_maps,
7564 Sized_relobj::free_input_to_output_maps): Change visibilities to
7565 protected.
7566 (Sized_relobj::setup): Virtualize.
7567 (Sized_relobj::do_setup): New method declaration.
7568 (Sized_relobj::invalidate_section_offset,
7569 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7570 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7571 * options.cc (parse_int): New function.
7572 * options.h (parse_int): New declaration.
7573 (DEFINE_int): New macro.
7574 (stub_group_size): New option.
7575 * output.cc (Output_section::Output_section): Initialize memebers
7576 merge_section_map_, merge_section_by_properties_map_,
7577 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7578 (Output_section::add_input_section): Handled deferred code-fill
7579 generation and remove an old comment.
7580 (Output_section::add_relaxed_input_section): New method definition.
7581 (Output_section::add_merge_input_section): Use merge section by
7582 properties map to speed to search. Update merge section maps
7583 as appropriate.
7584 (Output_section::build_relaxation_map): New method definition.
7585 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7586 Same.
7587 (Output_section::relax_input_section): Renamed to
7588 Output_section::convert_input_sections_to_relaxed_sections and change
7589 interface to take a vector of pointers to relaxed sections.
7590 (Output_section::find_merge_section,
7591 Output_section::find_relaxed_input_section): New method definitions.
7592 (Output_section::is_input_address_mapped,
7593 Output_section::output_offset, Output_section::output_address):
7594 Use output section data maps to speed up searching.
7595 (Output_section::find_starting_output_address): Add comments.
7596 (Output_section::do_write,
7597 Output_section::write_to_postprocessing_buffer): Do code-fill
7598 generation as appropriate.
7599 (Output_section::get_input_sections): Invalidate relaxed input section
7600 map.
7601 (Output_section::restore_states): Adjust type of checkpoint .
7602 Invalidate relaxed input section map.
7603 * output.h (Output_merge_base): New class declaration.
7604 (Input_section_specifier): New class defintion.
7605 (class Output_relaxed_input_section) Change base class to
7606 Output_section_data_build.
7607 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7608 base class initializer.
7609 (Output_section::add_relaxed_input_section): New method declaration.
7610 (Output_section::Input_section): Change visibility to protected.
7611 (Output_section::Input_section::relobj,
7612 Output_section::Input_section::shndx): Handle relaxed input sections.
7613 Output_section::input_sections) Change visibility to protected. Also
7614 define overload to return a non-const pointer.
7615 (Output_section::Merge_section_properties): New class defintion.
7616 (Output_section::Merge_section_by_properties_map,
7617 Output_section::Output_section_data_by_input_section_map,
7618 Output_section::Relaxation_map): New types.
7619 (Output_section::relax_input_section): Rename method to
7620 Output_section::convert_input_sections_to_relaxed_sections and change
7621 interface to take a vector of relaxed section pointers.
7622 (Output_section::find_merge_section,
7623 Output_section::find_relaxed_input_section,
7624 Output_section::build_relaxation_map,
7625 Output_section::convert_input_sections_in_list_to_relaxed_sections):
7626 New method declarations.
7627 (Output_section::merge_section_map_
7628 Output_section::merge_section_by_properties_map_,
7629 Output_section::relaxed_input_section_map_,
7630 Output_section::is_relaxed_input_section_map_valid_,
7631 Output_section::generate_code_fills_at_write_): New data members.
7632 * script-sections.cc
7633 (Output_section_element_input::set_section_addresses): Call
7634 current_data_size and addralign methods of relaxed input sections.
7635 (Orphan_output_section::set_section_addresses): Call current_data_size
7636 and addralign methods of relaxed input sections.
7637 * symtab.cc (Symbol_table::compute_final_value): Extract template
7638 from the body of Symbol_table::sized_finalize_symbol.
7639 (Symbol_table::sized_finalized_symbol): Call
7640 Symbol_table::compute_final_value.
7641 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7642 (Symbol_table::compute_final_value): New templated method declaration.
7643 * target.cc (Target::do_make_output_section): New method defintion.
7644 * target.h (Target::make_output_section): New method declaration.
7645 (Target::relax): Add more parameters for input objects, symbol table
7646 and layout. Adjust call to do_relax.
7647 (Target::do_make_output_section): New method declaration.
7648 (Target::do_relax): Add parameters for input objects, symbol table
7649 and layout.
7650
d446d6c4
ILT		 76512009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7652
7653 * pread.c: Include stdio.h.
7654
bc06c745
ILT		 76552009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7656
7657 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7658 defined.
7659
75aea3d0
ILT		 76602009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7661
7662 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7663 Change read_shndx type to unsigned int.
7664 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7665 int.
7666 (Sized_dwarf_line_info::read_line_mappings): Likewise.
7667 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7668 Change read_shndx type to unsigned int.
7669 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7670 int.
7671 (Sized_dwarf_line_info::read_line_mappings): Likewise.
7672 * layout.cc (Layout::create_symtab_sections): Cast the result of
7673 local_symcount * symsize to off_t in the gold_assert.
7674
be8fcb75
ILT		 76752009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7676
7677 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7678 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7679 R_ARM_BASE_ABS.
7680 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7681 (Arm_relocate_functions::thm_abs5): New function.
7682 (Arm_relocate_functions::abs12): New function.
7683 (Arm_relocate_functions::abs16): New function.
7684 (Arm_relocate_functions::base_abs): New function.
7685 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7686 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
7687 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7688 R_ARM_BASE_ABS.
7689 (Scan::global): Likewise.
7690 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7691 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7692 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7693 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7694 R_ARM_BASE_ABS.
7695
c2a122b6
ILT		 76962009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7697
7698 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7699 (Arm_relocate_functions::movt_prel): New function.
7700 (Arm_relocate_functions::thm_movw_prel_nc): New function.
7701 (Arm_relocate_functions::thm_movt_prel): New function.
7702 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7703 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7704 (Scan::global, Relocate::relocate): Likewise.
7705 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7706
c4aa1e2d
ILT		 77072009-10-09 Mikolaj Zalewski <mikolajz@google.com>
7708
7709 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7710 Incremental_checker.
7711 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7712 unsigned int.
7713 (class Incremental_inputs_header): New class.
7714 (Incremental_inputs_header_writer): Edit comment.
7715 (Incremental_inputs_entry): New class.
7716 (Incremental_inputs_entry_writer): Edit comment.
7717 (Sized_incremental_binary::do_find_incremental_inputs_section):
7718 Add *strtab_shndx parameter, fill it.
7719 (Sized_incremental_binary::do_check_inputs): New method.
7720 (Incremental_checker::can_incrementally_link_output_file): Use
7721 Sized_incremental_binary::check_inputs.
7722 (Incremental_inputs::report_command_line): Save command line in
7723 command_line_.
7724 * incremental.h:
7725 (Incremental_binary::find_incremental_inputs_section): New
7726 method.
7727 (Incremental_binary::do_find_incremental_inputs_section): Add
7728 strtab_shndx parameter.
7729 (Incremental_binary::do_check_inputs): New pure virtual method.
7730 (Sized_incremental_binary::do_check_inputs): Declare.
7731 (Incremental_checker::Incremental_checker): Add incremental_inputs
7732 parameter, use it to initialize incremental_inputs_.
7733 (Incremental_checker::incremental_inputs_): New field.
7734 (Incremental_checker::command_line): New method.
7735 (Incremental_checker::inputs): New method.
7736 (Incremental_checker::command_line_): New field.
7737
c549a694
ILT		 77382009-10-09 Mikolaj Zalewski <mikolajz@google.com>
7739
7740 * incremental.cc: Include <cstdarg> and "target-select.h".
7741 (vexplain_no_incremental): New function.
7742 (explain_no_incremental): New function.
7743 (Incremental_binary::error): New method.
7744 (Sized_incremental_binary::do_find_incremental_inputs_section): New
7745 method.
7746 (make_sized_incremental_binary): New function.
7747 (open_incremental_binary): New function.
7748 (can_incrementally_link_file): Add checks if output is ELF and has
7749 inputs section.
7750 * incremental.h: Include "elfcpp_file.h" and "output.h".
7751 (Incremental_binary): New class.
7752 (Sized_incremental_binary): New class.
7753 (open_incremental_binary): Declare.
7754 * object.cc (is_elf_object): Use
7755 elfcpp::Elf_recognizer::is_elf_file.
7756 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7757 * output.h (Output_file::filesize): New method.
7758
fd3c5f0b
ILT		 77592009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7760
7761 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7762 New function.
7763 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7764 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7765 function.
7766 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7767 function.
7768 (Arm_relocate_functions::movw_abs_nc): New function.
7769 (Arm_relocate_functions::movt_abs): New function.
7770 (Arm_relocate_functions::thm_movw_abs_nc): New function.
7771 (Arm_relocate_functions::thm_movt_abs): New function.
7772 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7773 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7774 (Scan::global): Likewise.
7775 (Relocate::relocate): Likewise.
7776 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7777
7f5309a5
ILT		 77782009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7779
7780 * arm.cc (Arm_relocate_functions::got_prel) New function.
7781 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7782 (Relocate::relocate): Likewise.
7783 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7784
364c7fa5
ILT		 77852009-10-06 Ian Lance Taylor <iant@google.com>
7786
7787 * options.h (class General_options): Define
7788 split_stack_adjust_size parameter.
7789 * object.h (class Object): Add uses_split_stack_ and
7790 has_no_split_stack_ fields. Add uses_split_stack and
7791 has_no_split_stack accessor functions. Declare
7792 handle_split_stack_section.
7793 (class Reloc_symbol_changes): Define.
7794 (class Sized_relobj): Define Function_offsets. Declare
7795 split_stack_adjust, split_stack_adjust_reltype, and
7796 find_functions.
7797 * object.cc (Object::handle_split_stack_section): New function.
7798 (Sized_relobj::do_layout): Call handle_split_stack_section.
7799 * dynobj.cc (Sized_dynobj::do_layout): Call
7800 handle_split_stack_section.
7801 * reloc.cc (Sized_relobj::relocate_sections): Call
7802 split_stack_adjust for executable sections in split_stack
7803 objects. Pass reloc_map to relocate_section.
7804 (Sized_relobj::split_stack_adjust): New function.
7805 (Sized_relobj::split_stack_adjust_reltype): New function.
7806 (Sized_relobj::find_functions): New function.
7807 * target-reloc.h: Include "object.h".
7808 (relocate_section): Add reloc_symbol_changes parameter. Change
7809 all callers.
7810 * target.h (class Target): Add calls_non_split method. Declare
7811 do_calls_non_split virtual method. Declare match_view and
7812 set_view_to_nop.
7813 * target.cc: Include "elfcpp.h".
7814 (Target::do_calls_non_split): New function.
7815 (Target::match_view): New function.
7816 (Target::set_view_to_nop): New function.
7817 * gold.cc (queue_middle_tasks): Give an error if mixing
7818 split-stack and non-split-stack objects with -r.
7819 * i386.cc (Target_i386::relocate_section): Add
7820 reloc_symbol_changes parameter.
7821 (Target_i386::do_calls_non_split): New function.
7822 * x86_64.cc (Target_x86_64::relocate_section): Add
7823 reloc_symbol_changes parameter.
7824 (Target_x86_64::do_calls_non_split): New function.
7825 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7826 parameter.
7827 * powerpc.cc (Target_powerpc::relocate_section): Add
7828 reloc_symbol_changes parameter.
7829 * sparc.cc (Target_sparc::relocate_section): Add
7830 reloc_symbol_changes parameter.
7831 * configure.ac: Call AM_CONDITIONAL for the default target.
7832 * configure: Rebuild.
7833 * testsuite/Makefile.am (TEST_AS): New variable.
7834 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7835 (check_DATA): Add split_i386 and split_x86_64 files.
7836 (SPLIT_DEFSYMS): Define.
7837 (split_i386_[1234n].o): New targets.
7838 (split_i386_[124]): New targets.
7839 (split_i386_[1234r].stdout): New targets.
7840 (split_x86_64_[1234n].o): New targets.
7841 (split_x86_64_[124]): New targets.
7842 (split_x86_64_[1234r].stdout): New targets.
7843 (MOSTLYCLEANFILES): Add new executables.
7844 * testsuite/split_i386.sh: New file.
7845 * testsuite/split_x86_64.sh: New file.
7846 * testsuite/split_i386_1.s: New file.
7847 * testsuite/split_i386_2.s: New file.
7848 * testsuite/split_i386_3.s: New file.
7849 * testsuite/split_i386_4.s: New file.
7850 * testsuite/split_i386_n.s: New file.
7851 * testsuite/split_x86_64_1.s: New file.
7852 * testsuite/split_x86_64_2.s: New file.
7853 * testsuite/split_x86_64_3.s: New file.
7854 * testsuite/split_x86_64_4.s: New file.
7855 * testsuite/split_x86_64_n.s: New file.
7856 * testsuite/testfile.cc (Target_test): Update relocation_section
7857 function.
7858 * testsuite/Makefile.in: Rebuild.
7859
e8a9fcda
ILT		 78602009-10-06 Ian Lance Taylor <iant@google.com>
7861
7862 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7863 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7864 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
7865 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7866 the address on ldo_addrs_.
7867 (Target_i386::Relocate::fix_up_ldo): New function.
7868
e99daf92
ILT		 78692009-10-06 Rafael Espindola <espindola@google.com>
7870
7871 * plugin.cc (add_input_library): New.
7872 (Plugin::load): Add add_input_library to tv.
7873 (Plugin_manager::add_input_file): Add the is_lib argument.
7874 (add_input_file): Update call to Plugin_manager::add_input_file.
7875 (add_input_library): New.
7876 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7877
966d4097
DK		 78782009-09-30 Doug Kwan <dougkwan@google.com>
7879
7880 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7881 symbol and call Symbol::may_need_copy_reloc to determine if
7882 a copy reloc is needed.
7883 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7884 nocopyreloc is given in command line.
7885 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7886 given in command line.
7887 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7888 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7889 of the removed Target_i386::may_need_copy_reloc.
7890 * options.h (copyreloc): New option with default value false.
7891 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7892 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7893 instead of the removed Target_powerpc::may_need_copy_reloc.
7894 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7895 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7896 instead of the removed Target_sparc::may_need_copy_reloc.
7897 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7898 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7899 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7900 instead of the removed Target_x86_64::may_need_copy_reloc.
7901
029ba973
ILT		 79022009-09-30 Ian Lance Taylor <iant@google.com>
7903
7904 * object.h (class Object): Remove target_ field, and target,
7905 sized_target, and set_target methods.
7906 (Object::sized_target): Remove.
7907 (class Sized_relobj): Update declarations. Remove sized_target.
7908 * object.cc (Sized_relobj::setup): Remove target parameter.
7909 Change all callers.
7910 (Input_objects::add_object): Don't do anything with the target.
7911 (make_elf_sized_object): Add punconfigured parameter. Change all
7912 callers. Set or test parameter target.
7913 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7914 Change all callers.
7915 * parameters.cc (Parameters::set_target): Change parameter type to
7916 be non-const.
7917 (Parameters::default_target): Remove.
7918 (set_parameters_target): Change parameter type to be non-const.
7919 (parameters_force_valid_target): New function.
7920 (parameters_clear_target): New function.
7921 * parameters.h (class Parameters): Update declarations. Remove
7922 default_target method. Add sized_target and clear_target
7923 methods. Change target_ to be non-const.
7924 (set_parameters_target): Update declaration.
7925 (parameters_force_valid_target): Declare.
7926 (parameters_clear_target): Declare.
7927 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7928 as NULL if we aren't searching.
7929 (Add_symbols::run): Don't check for compatible target.
7930 * fileread.cc (Input_file::open_binary): Call
7931 parameters_force_valid_target.
7932 * gold.cc (queue_middle_tasks): Likewise.
7933 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
7934 set_target on object.
7935 * dynobj.h (class Sized_dynobj): Update declarations.
7936 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7937 make_elf_object returns NULL.
7938 (Archive::include_member): Don't check whether object target is
7939 compatible.
7940 * output.cc (Output_section::add_input_section): Get target from
7941 parameters.
7942 (Output_section::relax_input_section): Likewise.
7943 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7944 parameters.
7945 (Sized_relobj::do_scan_relocs): Likewise.
7946 (Sized_relobj::relocate_sections): Likewise.
7947 * resolve.cc (Symbol_table::resolve): Likewise.
7948 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
7949 parameter. Change all callers.
7950 (Symbol_table::add_from_object): Get target from parameters.
7951 (Symbol_table::add_from_relobj): Don't check object target.
7952 (Symbol_table::add_from_dynobj): Likewise.
7953 (Symbol_table::define_special_symbol): Get target from
7954 parameters.
7955 * symtab.h (class Symbol_table): Update declaration.
7956 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7957 parameter. Change all callers. Clear parameter target.
7958 (Binary_test): Test target here.
7959 * testsuite/object_unittest.cc (gold_testsuite): Remove
7960 target_test_pointer parameter. Change all callers.
7961 (Object_test): Test target here.
7962
a6a22b83
ILT		 79632009-09-26 Ian Lance Taylor <iant@google.com>
7964
7965 * testsuite/initpri1.c: Don't try to use constructor priorities if
7966 compiling with gcc before 4.3.
7967
6a8f49fe
ILT		 79682009-09-22 Mikolaj Zalewski <mikolajz@google.com>
7969
7970 * testsuite/retain_symbols_file_test.sh (check_present): Change
7971 output file name to retain_symbols_file_test.stdout.
7972 (check_absent): Likewise.
7973
8c604651
CS		 79742009-09-18 Craig Silverstein <csilvers@google.com>
7975
7976 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7977 * options.cc: Include <cerrno> and <fstream>.
7978 (General_options::finalize): Parse -retain-symbols-file tag.
7979 * options.h: New flag.
7980 (General_options): New method should_retain_symbol, new
7981 variable symbols_to_retain.
7982 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7983 should_retain_symbol map.
7984 * testsuite/Makefile.am (retain_symbols_file_test): New test.
7985 * testsuite/Makefile.in: Regenerate.
7986 * testsuite/retain_symbols_file_test.sh: New file.
7987
ca58b19f
NC		 79882009-09-18 Nick Clifton <nickc@redhat.com>
7989
7990 * po/es.po: Updated Spanish translation.
7991
20e6d0d6
DK		 79922009-09-17 Doug Kwan <dougkwan@google.com>
7993
7994 * debug.h (DEBUG_RELAXATION): New constant.
7995 (DEBUG_ALL): Add DEBUG_RELAXATION.
7996 (debug_string_to_enum): Add relaxation debug option.
7997 * layout.cc
7998 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7999 Layout::Relaxation_debug_check::read_sections,
8000 Layout::Relaxation_debug_check::read_sections): New method definitions.
8001 (Layout::Layout): Initialize data members
8002 record_output_section_data_from_scrips_,
8003 script_output_section_data_list_ and relaxation_debug_check_.
8004 (Layout::save_segments, Layout::restore_segments,
8005 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8006 Layout::relaxation_loop_body): New method definitions.
8007 (Layout::finalize): Support relaxation. Move section layout code to
8008 Layout::relaxation_loop_body.
8009 (Layout::set_asection_address_from_script): Move code for orphan
8010 section placement out.
8011 (Layout::place_orphan_sections_in_script): New method definition.
8012 * layout.h (Output_segment_headers, Output_file_header):
8013 New forward class declarations.
8014 (Layout::~Layout): Define.
8015 (Layout::new_output_section_data_from_script): New method definition.
8016 (Layout::place_orphan_sections_in_script): New method declaration.
8017 (Layout::Segment_states): New type declaration.
8018 (Layout::save_segments, Layout::restore_segments,
8019 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
8020 Layout::relaxation_loop_body): New method declarations.
8021 (Layout::Output_section_data_list): New type declaration.
8022 (Layout::Relaxation_debug_check): New class definition.
8023 (Layout::record_output_section_data_from_script_,
8024 Layout::script_output_section_data_list_, Layout::segment_states_,
8025 Layout::relaxation_debug_check_): New data members.
8026 * output.cc: (Output_section_headers::do_size): New method definition.
8027 (Output_section_headers::Output_section_headers): Move size
8028 computation to Output_section_headers::do_size.
8029 (Output_segment_headers::do_size): New method definition.
e1df38aa 8030 (Output_file_header::Output_file_header): Move size computation to
20e6d0d6
DK		 8031 Output_file_header::do_size and call it.
8032 (Output_file_header::do_size): New method definition.
8033 (Output_data_group::Output_data_group): Adjust call to
8034 Output_section_data.
8035 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
8036 (Output_symtab_xindex::do_write): Add array bound check.
8037 (Output_section::Input_section::print_to_mapfile): Handle
8038 RELAXED_INPUT_SECTION_CODE.
8039 (Output_section::Output_section): Initialize data member checkpoint_.
8040 (Output_section::~Output_section): Delete checkpoint object pointed
8041 by checkpoint_.
8042 (Output_section::add_input_section): Always add an Input_section if
8043 relaxing.
8044 (Output_section::add_merge_input_section): Add assert.
8045 (Output_section::relax_input_section): New method definition.
8046 (Output_section::set_final_data_size): Set load address to zero for
8047 an unallocated section.
8048 (Output_section::do_address_and_file_offset_have_reset_values):
8049 New method definition.
8050 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
8051 Handle relaxed input section.
8052 (Output_section::sort_attached_input_sections): Checkpoint input
8053 section list lazily.
8054 (Output_section::get_input_sections): Change type of input_sections to
8055 list of Simple_input_section pointers. Checkpoint input section list
8056 lazily. Also handle relaxed input sections.
8057 (Output_section::add_input_section_for_script): Take a reference to
8058 a Simple_input_section object instead of Relobj pointer and section
8059 index as parameter. Handle relaxed input sections.
8060 (Output_section::save_states, Output_section::restore_states): New
8061 method definitions.
8062 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
8063 (Output_data::is_data_size_fixed): New method definition.
8064 (Output_data::reset_addresss_and_file_offset): Do not reset data size
8065 if it is fixed.
8066 (Output_data::address_and_file_offset_have_reset_values): New method
8067 definition.
8068 (Output_data::do_address_and_file_offset_have_reset_values): New method
8069 definition.
8070 (Output_data::set_data_size): Check that data size is not fixed.
8071 (Output_data::fix_data_size): New method definition.
8072 (Output_data::is_data_size_fixed_): New data member.
8073 (Output_section_headers::set_final_data_size): New method definition.
8074 (Output_section_headers::do_size): New method declaration.
8075 (Output_segment_headers::set_final_data_size): New method definition.
8076 (Output_segment_headers::do_size): New method declaration.
8077 (Output_file_header::set_final_data_size)::New method definition.
8078 (Output_file_header::do_size)::New method declaration.
8079 (Output_section_data::Output_section_data): Add new parameter
8080 is_data_size_fixed and use it to fix data size.
8081 (Output_data_const::Output_data_const): Adjust call to base class
8082 constructor and fix data size.
8083 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
8084 base class constructor and fix data size.
8085 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
8086 base class constructor and fix data size.
8087 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
8088 class constructor and fix data size.
8089 (Output_data_group::set_final_data_size): New method definition.
8090 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
8091 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
8092 class constructor and fix data size.
8093 (Output_relaxed_input_section): New class definition.
8094 (Output_section::Simple_input_section): New class definition.
8095 (Output_section::get_input_sections): Adjust parameter list.
8096 (Output_section::add_input_section_for_script): Same.
8097 (Output_section::save_states, Output_section::restore_states,
8098 Output_section::do_address_and_file_offset_have_reset_values,
8099 (Output_section::Input_section::Input_section): Handle
8100 RELAXED_INPUT_SECTION_CODE. Add new overload for
8101 Output_relaxed_input_section.
8102 (Output_section::Input_section::is_input_section,
8103 Output_section::Input_section::set_output_section): Handle relaxed
8104 input section.
8105 (Output_section::Input_section::is_relaxed_input_section,
8106 Output_section::Input_section::output_section_data,
8107 Output_section::Input_section::relaxed_input_section): New method
8108 definitions.
8109 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
8110 value.
8111 (Output_section::Input_section::u1_): Update comments.
8112 (Output_section::Input_section::u2_): Add new union member poris.
8113 (Output_section::Checkpoint_output_section): New classs definition.
8114 (Output_section::relax_input_section): New method declaration.
8115 (Output_section::checkpoint_): New data member.
8116 (Output_segment): Update comments.
8117 (Output_segment::Output_segment): Un-privatize copy constructor.
8118 (Output_segment::operator=): Un-privatize.
8119 * script-sections.cc (Output_section_element::Input_section_list):
8120 Change element type to Output_section::Simple_input_section.
8121 (Output_section_element_dot_assignment::set_section_addresses):
8122 Register output section data for relaxation clean up.
8123 (Output_data_exression::Output_data_expression): Adjust call to base
8124 constructor to fix data size.
8125 (Output_section_element_data::set_section_addresses): Register
8126 Output_data_expression object for relaxation clean up.
8127 (struct Input_section_info): Replace Relobj pointer and section index
8128 pair with Output_section::Simple_input_section and Convert struct to a
8129 class.
8130 (Input_section_sorter::operator()): Adjust access to
e1df38aa 8131 Input_section_info data member to use accessors.
20e6d0d6
DK		 8132 (Output_section_element_input::set_section_addresses): Use layout
8133 parameter. Adjust code to use Output_section::Simple_input_section
8134 and Input_secction_info classes. Register filler for relaxation
8135 clean up.
8136 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
8137 and section index pair with Output_section::Simple_input_section
8138 class. Adjust code accordingly.
8139 (Phdrs_element::release_segment): New method definition.
8140 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
8141 segment list.
8142 (Script_sections::release_segments): New method definition.
8143 * gold/script-sections.h (Script_sections::release_segments): New
8144 method declaration.
8145 * gold/target.h (Target::may_relax, Target::relax,
8146 Target::do_may_relax, Target::do_relax): New method definitions.
8147
5e445df6
ILT		 81482009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
8149
8150 * arm.cc (has_signed_unsigned_overflow): New function.
8151 (Arm_relocate_functions::abs8): New function.
8152 (Target_arm::Scan::local): Handle R_ARM_ABS8.
8153 (Target_arm::Scan::global): Likewise.
8154 (Target_arm::relocate::relocate): Likewise.
8155 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
8156 Likewise.
8157
8c604651 81582009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 8159
8160 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
8161 * testsuite/Makefile.in: Regenerate.
8162
1e9cc1c2
NC		 81632009-09-11 Nick Clifton <nickc@redhat.com>
8164
8165 * po/gold.pot: Updated by the Translation project.
8166
6a89f575
CC		 81672009-09-08 Cary Coutant <ccoutant@google.com>
8168
8169 * output.cc (Output_file::open): Add execute permission to empty file.
8170 * testsuite/Makefile.am (permission_test): New test.
8171 * testsuite/Makefile.in: Regenerate.
8172
fdcac5af
ILT		 81732009-09-02 Ian Lance Taylor <iant@google.com>
8174
8175 * output.cc (Output_file::resize): Call map_no_anonymous rather
8176 than map.
8177
44453f85
ILT		 81782009-09-01 Mikolaj Zalewski <mikolajz@google.com>
8179
8180 * gold.cc: Include "incremental.h".
8181 (queue_initial_tasks): Call Incremental_checker methods.
8182 * incremental.cc: Include "output.h".
8183 (Incremental_checker::can_incrementally_link_output_file): New
8184 method.
8185 * incremental.h (Incremental_checker): New class.
8186
8187 * output.cc (Output_file::open_for_modification): New method.
8188 (Output_file::map_anonymous): Changed return type to bool. Record
8189 map in base_ field.
8190 (Output_file::map_no_anonymous): New method, broken out of map.
8191 (Output_file::map): Use map_no_anonymous and map_anonymous.
8192 * output.h (class Output_file): Update declarations.
8193
293c1386
CC		 81942009-08-24 Cary Coutant <ccoutant@google.com>
8195
8196 * options.h (Command_line::Pre_options): New class.
8197 (Command_line::pre_options): New member.
8198 * options.cc (gold::options::ready_to_register): New variable.
8199 (One_option::register_option): Do nothing if not registering options.
8200 Assert if same short option registered twice.
8201 (General_options::General_options): Turn off option registration when
8202 done constructing.
8203 (Command_line::Pre_options::Pre_options): New constructor.
8204
f773f3d2
CC		 82052009-08-24 Cary Coutant <ccoutant@google.com>
8206
06a73cfe
CC		 8207 * options.h (General_options::no_keep_memory): Remove incorrect
8208 short option.
f773f3d2 8209
a15af8e2
RW		 82102009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8211
8212 * Makefile.am (am__skiplex, am__skipyacc): New.
8213 * Makefile.in: Regenerate.
8214
c462b41b
RW		 82152009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
8216
14ec8efd
RW		 8217 * Makefile.am (AM_CPPFLAGS): Renamed from ...
8218 (INCLUDES): ... this.
8219 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
8220 (AM_CPPFLAGS): Renamed from ...
8221 (INCLUDE): ... this.
8222 * Makefile.in, testsuite/Makefile.in: Regenerate.
8223
81ecdfbb
RW		 8224 * Makefile.in: Regenerate.
8225 * aclocal.m4: Likewise.
8226 * config.in: Likewise.
8227 * configure: Likewise.
8228 * testsuite/Makefile.in: Likewise.
8229
c462b41b
RW		 8230 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8231 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
8232 * Makefile.in: Regenerate.
8233 * testsuite/Makefile.in: Regenerate.
8234
2da73f13
CC		 82352009-08-19 Cary Coutant <ccoutant@google.com>
8236
8237 * resolve.cc (Symbol_table::resolve): Don't complain about defined
8238 symbols in shared libraries overridden by hidden or internal symbols
8239 in the main program.
8240
2db70501
CD		 82412009-08-19 Chris Demetriou <cgd@google.com>
8242
8243 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
8244 checking source file names in error messages.
8245
f733487b
DK		 82462009-08-18 Doug Kwan <dougkwan@google.com>
8247
8248 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
8249 an elcpp::Ehdr as parameter. Adjust call to set_target.
8250 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
8251 an elfcpp::Ehdr as parameter.
8252 * object.cc (Object::set_target): Remove the version that looks up
8253 a target and sets it.
8254 (Sized_relobj::setup): Take a Target object instead of
8255 an elfcpp::Ehdr as parameter. Adjust call to set_target.
8256 (make_elf_sized_object): Find target and ask target to
8257 make an ELF object.
8258 * object.h: (Object::set_target): Remove the version that looks up
8259 a target and sets it.
8260 (Sized_relobj::setup): Take a Target object instead of
8261 an elfcpp:Ehdr as parameter.
8262 * target.cc: Include dynobj.h.
8263 (Target::do_make_elf_object_implementation): New.
8264 (Target::do_make_elf_object): New.
8265 * target.h (Target::make_elf_object): New template declaration.
8266 (Target::do_make_elf_object): New method declarations.
8267 (Target::do_make_elf_object_implementation): New template declaration.
8268
cc70f101
ILT		 82692009-08-14 Ian Lance Taylor <iant@google.com>
8270
8271 * gold.h (FUNCTION_NAME): Define.
8272 (gold_unreachable): Use FUNCTION_NAME.
8273
ef5e0cb1
ST		 82742009-08-12 Sriraman Tallam <tmsriram@google.com>
8275
8276 * icf.cc (Icf::find_identical_sections): Issue a warning when a
8277 symbol in the --keep-unique list is not found.
8278
48c187ce
ST		 82792009-08-12 Sriraman Tallam <tmsriram@google.com>
8280
8281 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
8282 been maked as --keep-unique.
8283 (Icf::unfold_section): New function.
8284 * icf.h (Icf::unfold_section): New function.
8285 * options.h (General_options::keep_unique): New option.
8286 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
8287 * testsuite/Makefile.in: Regenerate.
8288 * testsuite/icf_keep_unique_test.sh: New file.
8289 * testsuite/icf_keep_unique_test.cc: New file.
8290
645afe0c
CC		 82912009-08-12 Cary Coutant <ccoutant@google.com>
8292
8293 PR 10471
8294 * resolve.cc (Symbol_table::resolve): Check for references from
8295 dynamic objects to hidden and internal symbols.
8296 * testsuite/Makefile.am (hidden_test.sh): New test.
8297 * testsuite/Makefile.in: Regenerate.
8298 * testsuite/hidden_test.sh: New script.
8299 * testsuite/hidden_test_1.c: New test source.
8300 * testsuite/hidden_test_main.c: New test source.
8301
11af873f
DK		 83022009-08-11 Doug Kwan <dougkwan@google.com>
8303
8304 * arm.cc: Update comments.
8305 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
8306 segment to locate the .ARM.exidx section if present.
8307
b9f7d72d
DK		 83082009-08-09 Doug Kwan <dougkwan@google.com>
8309
8310 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
8311 patch.
8312
ddd3c53c
ST		 83132009-08-07 Sriraman Tallam <tmsriram@google.com>
8314 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
8315 compiler warnings.
8316
27721062
ST		 83172009-08-06 Sriraman Tallam <tmsriram@google.com>
8318
8319 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
8320 valid tls_segment only for non-debug-section relocations.
8321 * testsuite/Makefile.am: Add gc_tls_test.
8322 * testsuite/Makefile.in: Regenerate.
8323 * testsuite/gc_tls_test.cc: New file.
8324 * testsuite/gc_tls_test.sh: New file.
8325
ef15dade 83262009-08-05 Sriraman Tallam <tmsriram@google.com>
e1df38aa 8327
ef15dade
ST		 8328 * icf.cc: New file.
8329 * icf.h: New file.
8330 * Makefile.am (CCFILES): Add icf.cc.
8331 (HFILES): Add icf.h
8332 * Makefile.in: Regenerate.
8333 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
8334 * gc.h (gc_process_relocs): Populate lists used by icf to contain
8335 section, symbol and addend information for the relocs.
8336 * gold.cc (queue_middle_tasks): Call identical code folding.
8337 * gold.h: Add defines for multimap.
8338 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
8339 to the call of finalize_local_symbols.
8340 * main.cc (main): Create object of class Icf.
8341 * object.cc (Sized_relobj::do_layout): Allow this function to be
8342 called twice during icf.
8343 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
8344 to sections marked as identical by icf.
8345 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
8346 when available.
8347 (Sized_relobj::do_section_entsize): New function.
8348 * object.h (Object::section_entsize): New function.
8349 (Object::do_section_entsize): New pure virtual function.
8350 (Relobj::finalize_local_symbols): Add new parameter.
8351 (Relobj::do_section_entsize): New function.
8352 * options.h (General_options::icf): New option.
8353 (General_options::icf_iterations): New option.
8354 (General_options::print_icf_sections): New option.
8355 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
8356 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
8357 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
8358 icf.
8359 * symtab.cc (Symbol_table::is_section_folded): New function.
8360 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
8361 to sections marked as identical by icf.
8362 * symtab.h (Symbol_table::set_icf): New function.
8363 (Symbol_table::icf): New function.
8364 (Symbol_table::is_section_folded): New function.
8365 (Symbol_table::icf_): New data member.
8366 * target-reloc.h (relocate_section): Ignore sections folded by icf.
8367 * testsuite/Makefile.am: Add commands to build icf_test.
8368 * testsuite/Makefile.in: Regenerate.
8369 * testsuite/icf_test.sh: New file.
8370 * testsuite/icf_test.cc: New file.
8371
c3b65ac4
CD		 83722009-07-24 Chris Demetriou <cgd@google.com>
8373
8374 * layout.cc (is_compressible_debug_section): Fix incorrect
8375 comment about compressed section names.
8376
1caf2c51
ILT		 83772009-07-20 Ian Lance Taylor <ian@airs.com>
8378
8379 PR 10419
8380 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
8381
1ef4d87f
ILT		 83822009-07-16 Ian Lance Taylor <iant@google.com>
8383
8384 PR 10400
8385 * layout.h: #include <map>.
8386 (class Kept_section): Change from struct to class. Add accessors
8387 and setters. Add section size to Comdat_group mapping. Change
8388 Comdat_group to std::map. Add is_comdat_ field. Add
8389 linkonce_size field in union.
8390 (class Layout): Update declaration of find_or_add_kept_section.
8391 Don't declare find_kept_object.
8392 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
8393 parameter. Add object, shndx, is_comdat, and is_group_name
8394 parameters. Change all callers. Adjust for new Kept_section.
8395 (Layout::find_kept_object): Remove.
8396 * object.cc (Sized_relobj::include_section_group): Update use of
8397 Kept_section. Rename secnum to shndx. Only record
8398 Kept_comdat_section if sections are the same size.
8399 (Sized_relobj::include_linkonce_section): Update use of
8400 Kept_section. Only record Kept_comdat_section if sections are the
8401 same size. Set size of linkonce section.
8402 (Sized_relobj::map_to_kept_section): Update call to
8403 get_kept_comdat_section.
8404 * object.h (class Sized_relobj): Rename fields in
8405 Kept_comdat_section to drop trailing underscores; change object
8406 field to Relobj*. Change Kept_comdat_section_table to store
8407 struct rather than pointer.
8408 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
8409 Add kept_object and kept_shndx parameters. Change all callers.
8410 (Sized_relobj::get_kept_comdat_section): Change return type to
8411 bool. Add kept_object and kept_shndx parameters. Change all
8412 callers.
8413 * plugin.cc (Pluginobj::include_comdat_group): Update call to
8414 Layout::find_or_add_kept_section.
8415
37c3b7b0
ILT		 84162009-07-09 Ian Lance Taylor <iant@google.com>
8417
8418 * merge.cc (Object_merge_map::initialize_input_to_output_map):
8419 Reserve space in the hash table.
8420
98fa85cb
ILT		 84212009-07-06 Mikolaj Zalewski <mikolajz@google.com>
8422
8423 * fileread.cc (File_read::get_mtime): New method.
8424 * fileread.h (Timespec): New structure.
8425 (File_read::get_mtime): New method.
8426 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
8427 Renamed from timestamp_nsec.
8428 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
8429 Elf_Xword.
e1df38aa 8430 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
98fa85cb 8431 timestamp_nsec.
e1df38aa 8432 (Incremental_inputs::report_archive): Save mtime; style fix.
98fa85cb
ILT		 8433 (Incremental_inputs::report_obejct): Save mtime; style fix.
8434 (Incremental_inputs::report_script): Save mtime; style fix.
8435 (Incremental_inputs::finalize_inputs): Style fix.
8436 (Incremental_inputs::finalize): Style fix.
8437 (Incremental_inputs::create_input_section_data): Store inputs
8438 mtime.
8439 * incremental.h (Incremental_inputs::report_script): Add mtime
8440 argument.
8441 (Incremental_inputs::Input_info::Input_info): Intialize only one
8442 union member.
8443 (Incremental_inputs::Input_info::archive): Move to nameless
8444 union.
8445 (Incremental_inputs::Input_info::obejct): Move to nameless union.
8446 (Incremental_inputs::Input_info::script): Move to nameless union.
8447 (Incremental_inputs::mtime): New field.
8448 * script.cc (read_input_script): Pass file mtime to
8449 Incremental_input.
8450 * script.h (Script_info::inputs): Style fix.
8451
c9d70757
ILT		 84522009-07-01 Ian Lance Taylor <ian@airs.com>
8453
8454 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8455 instead of 32.
8456
9c547ec3
ILT		 84572009-06-24 Ian Lance Taylor <iant@google.com>
8458
8459 PR 10156
8460 * layout.cc (Layout::choose_output_section): If we find an
8461 existing section, update the flags.
8462 (Layout::create_notes): New function, broken out of
8463 Layout::finalize.
8464 (Layout::finalize): Don't create note sections.
8465 (Layout::create_note): Don't crash if linker script discards
8466 section.
8467 (Layout::create_gold_note): Likewise.
8468 (Layout::create_build_id): Likewise. Don't set
8469 after_input_sections on the section.
8470 (Layout::create_executable_stack_info): Remove target parameter.
8471 Change caller.
8472 * layout.h (class Layout): Declare create_notes. Update
8473 declaration of create_executable_stack_info.
8474 * gold.cc (queue_middle_tasks): Call create_notes.
8475 * output.cc (Output_section::update_flags_for_input_section): Move
8476 here from output.h. If SHF_ALLOC flag is newly set, mark address
8477 invalid.
8478 * output.h (Output_data::mark_address_invalid): New function.
8479 (class Output_section): Only declare, not define,
8480 update_flags_for_input_section. Remove set_flags.
8481
55458500
ILT		 84822009-06-24 Ian Lance Taylor <iant@google.com>
8483
8484 * script-sections.cc (Output_section_definition::
8485 set_section_addresses): Rename shadowing local load_address to
8486 laddr.
8487
1307d6cd
ILT		 84882009-06-24 Ian Lance Taylor <iant@google.com>
8489
8490 PR 10244
8491 * reloc.cc (relocate_sections): Skip empty relocation sections.
8492
ec3f783e
ILT		 84932009-06-23 Ian Lance Taylor <iant@google.com>
8494
8495 PR 10156
8496 * layout.cc (Layout::create_note): Use choose_output_section
8497 rather than make_output_section.
8498
459c9f1c
ILT		 84992009-06-23 Ian Lance Taylor <iant@google.com>
8500
8501 PR 10237
8502 * options.cc (General_options::parse_V): Set printed_version_.
8503 (General_options::General_options): Initialize printed_version_.
8504 * options.h (class General_options): Add printed_version_ field.
8505 * gold.cc (queue_initial_tasks): If there are no input files,
8506 don't give a fatal error if we printed the version information.
8507 (queue_middle_tasks): If using -r with a shared object, give a
8508 fatal error rather than an ordinary error.
8509
1518dc8f
ILT		 85102009-06-23 Ian Lance Taylor <iant@google.com>
8511
8512 PR 10219
8513 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8514 (Layout::make_output_section): Set have_stabstr_section_ if we see
8515 a .stab*str section.
8516 (Layout::finalize): Call link_stabs_sections.
8517 (Layout::link_stabs_sections): New file.
8518 * layout.h (class Layout): Add have_stabstr_section_ field.
8519 Declare link_stabs_sections.
8520
3d857b98
DK		 85212009-06-23 Doug Kwan <dougkwan@google.com>
8522
8523 * Makefile.am (libgold_a_LIBADD): New.
8524 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8525 * Makefile.in: Regenerate.
8526 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8527 * configure: Regenerate.
8528 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8529 * fileread.cc: Include sys/state.h
8530 * gold.h: Declare memmem and strndup if found missing.
8531 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8532
0639a6f6
ILT		 85332009-06-23 Ian Lance Taylor <iant@google.com>
8534
8535 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8536 * configure: Rebuild.
8537
8d63875c
ILT		 85382009-06-23 Ian Lance Taylor <iant@google.com>
8539
8540 PR 10147
8541 * object.cc (Object::section_contents): Don't try to get a view if
8542 the section has length zero.
8543 (Object::handle_gnu_warning_section): If the section is empty, use
8544 the name of the section as the warning.
8545
f7c8a183
ILT		 85462009-06-23 Ian Lance Taylor <iant@google.com>
8547
8548 PR 10133
8549 * stringpool.h (class Stringpool_template): Add optimize_ field.
8550 (Stringpool_template::set_optimize): New function.
8551 * stringpool.cc (Stringpool_template::Stringpool_template):
8552 Initialize optimize_ field.
8553 (Stringpool_template::set_string_offsets): Test local optimize
8554 fild rather than parameter.
8555 * layout.cc (Layout::Layout): Call set_optimize on the section
8556 name stringpool.
8557
e6a307ba
ILT		 85582009-06-22 Ian Lance Taylor <iant@google.com>
8559
8560 PR 10030
8561 * yyscript.y: Parse TARGET.
8562 * script.cc (script_set_target): New function.
8563 * script-c.h (script_set_target): Declare.
8564 * options.cc (General_options::string_to_object_format): Rename
8565 from string_to_object_format in anonymous namespace. Change
8566 callers.
8567 * options.h (class General_options): Declare
8568 string_to_object_format.
8569
3ee173de
ILT		 85702009-06-22 Ian Lance Taylor <iant@google.com>
8571
8572 * script-sections.cc (Script_sections::create_segments): Don't put
8573 program headers in a PT_LOAD segment if -n or -N.
8574
85752009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 8576
8577 PR 10141
8578 * options.h (class General_options): Add -z lazy and -z now. Sort
8579 -z options into alphabetical order.
8580 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8581
cd6739a1 85822009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 8583
8584 * layout.cc (Layout::make_output_section): Call
8585 Target::new_output_section.
8586 (Layout::attach_allocated_section_to_segment): Put large section
8587 sections in a separate load segment with the large segment flag
8588 set.
8589 (Layout::segment_precedes): Sort large data segments after other
8590 load segments.
8591 (align_file_offset): New static function.
8592 (Layout::set_segment_offsets): Use align_file_offset.
8593 * output.h (class Output_section): Add is_small_section_ and
8594 is_large_section_ fields.
8595 (Output_section::is_small_section): New function.
8596 (Output_section::set_is_small_section): New function.
8597 (Output_section::is_large_section): New function.
8598 (Output_section::set_is_large_section): New function.
8599 (Output_section::is_large_data_section): New function.
8600 (class Output_segment): Add is_large_data_segment_ field.
8601 (Output_segment::is_large_data_segment): New function.
8602 (Output_segment::set_is_large_data_segment): New function.
8603 * output.cc (Output_section::Output_section): Initialize new
8604 fields.
8605 (Output_segment::Output_segment): Likewise.
8606 (Output_segment::add_output_section): Add assertion that large
8607 data sections always go in large data segments. Force small data
8608 sections to the end of the list of data sections. Force small BSS
8609 sections to the start of the list of BSS sections. For large BSS
8610 sections to the end of the list of BSS sections.
8611 * symtab.h (class Symbol): Declare is_common_shndx.
8612 (Symbol::is_defined): Check Symbol::is_common_shndx.
8613 (Symbol::is_common): Likewise.
8614 (class Symbol_table): Define enum Commons_section_type. Update
8615 declarations. Add small_commons_ and large_commons_ fields.
8616 * symtab.cc (Symbol::is_common_shndx): New function.
8617 (Symbol_table::Symbol_table): Initialize new fields.
8618 (Symbol_table::add_from_object): Put small and large common
8619 symbols in the right list.
8620 (Symbol_table::sized_finalized_symbol): Check
8621 Symbol::is_common_shndx.
8622 (Symbol_table::sized_write_globals): Likewise.
8623 * common.cc (Symbol_table::do_allocate_commons): Allocate new
8624 common symbol lists. Don't call do_allocate_commons_list if the
8625 list is empty.
8626 (Symbol_table::do_allocate_commons_list): Remove is_tls
8627 parameter. Add comons_section_type parameter. Change all
8628 callers. Handle small and large common symbols.
8629 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8630 Symbol::is_common_shndx.
8631 * resolve.cc (symbol_to_bits): Likewise.
8632 * target.h (Target::small_common_shndx): New function.
8633 (Target::small_common_section_flags): New function.
8634 (Target::large_common_shndx): New function.
8635 (Target::large_common_section_flags): New function.
8636 (Target::new_output_section): New function.
8637 (Target::Target_info): Add small_common_shndx, large_common_shndx,
8638 small_common_section_flags, and large_common_section_flags
8639 fields.
8640 (Target::do_new_output_section): New virtual function.
8641 * arm.cc (Target_arm::arm_info): Initialize new fields.
8642 * i386.cc (Target_i386::i386_info): Likewise.
8643 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8644 Likewise.
8645 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8646 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8647 (Target_x86_64::do_new_output_section): New function.
8648 * configure.ac: Define conditional MCMODEL_MEDIUM.
8649 * testsuite/Makefile.am (check_PROGRAMS): Add large.
8650 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8651 (large_LDFLAGS): Define.
8652 * testsuite/large.c: New file.
8653 * testsuite/testfile.cc (Target_test::test_target_info):
8654 Initialize new fields.
8655 * configure, testsuite/Makefile.in: Rebuild.
8656
bb04269c
DK		 86572009-06-05 Doug Kwan <dougkwan@google.com>
8658
8659 * Makefile.am (CCFILES): Add target.cc.
e1df38aa 8660 * Makefile.in: Regenerate.
bb04269c
DK		 8661 * i386.cc (class Target_i386): Define new virtual method to
8662 override do_is_local_label_name in parent.
8663 * object.cc (Sized_relobj::do_count_local_symbols): Discard
8664 local symbols if --discard-locals or -X is given.
8665 * options.h (class General_options): Declare new options
8666 '--discard-locals' and '-X' for discarding locals.
8667 * target.h (class Target): Define new methods is_local_label_name.
8668 Declare new virtual method do_is_local_label_name.
8669 * target.cc: New file.
8670 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8671 (check_SCRIPTS): Add discard_locals_test.sh.
8672 (check_DATA): Add discard_local_tests.syms.
8673 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8674 (discard_local_tests.syms, discard_locals_test.o): New make rules.
8675 * testsuite/Makefile.in: Regenerate.
8676 * testsuite/discard_locals_test.c: New file.
8677 * testsuite/discard_locals_test.sh: Same.
8678
805bb01c
DK		 86792009-06-05 Doug Kwan <dougkwan@google.com>
8680
8681 * object.cc (Sized_relobj::Sized_relobj): Initialize
8682 discarded_eh_frame_shndx_ to -1U.
8683 (Sized_relobj::do_layout): Record index of a discard .eh_frame
8684 section.
8685 (Sized_relobj::do_count_local_symbols): Skip local symbols in
8686 a discarded .eh_frame section.
8687 (Sized_relobj::do_finalize_local_symbols): Ditto.
8688 * object.h (class Sized_relobj): Declare new member
8689 discarded_eh_frame_shndx_.
8690 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8691 (local_labels_test.o, local_labels_test): New rules.
8692 * testsuite/Makefile.in: Regenerate.
8693
1dcd334d
DK		 86942009-06-04 Doug Kwan <dougkwan@google.com>
8695
8696 * layout.cc (Layout::section_name_mapping): Add mapping for
8697 special ARM sections.
8698
96d49306
DK		 86992009-06-03 Doug Kwan <dougkwan@google.com>
8700
8701 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8702 (utils::has_overflow): Same.
8703
dff16297
ILT		 87042009-06-03 Ian Lance Taylor <iant@google.com>
8705
8706 * layout.cc (Layout::section_name_mapping): New array, replacing
8707 Layout::linkonce_mapping.
8708 (Layout::section_name_mapping_count): New variable, replacing
8709 Layout::linkonce_mapping_count.
8710 (Layout::linkonce_output_name): Remove.
8711 (Layout::output_section_name): Rewrite.
8712 * layout.h (class Layout): Rename Linkonce_mapping to
8713 Section_name_mapping, linkonce_mapping to section_name_mapping,
8714 linkonce_mapping_count to section_name_mapping_count. Don't
8715 declare linkonce_output_name.
8716
c121c671
DK		 87172009-06-03 Doug Kwan <dougkwan@google.com>
8718
8719 * gold/arm.cc (namespace utils): New.
8720 (Target_arm::reloc_is_non_pic): Define new method.
8721 (class Arm_relocate_functions): New.
8722 (Target_arm::Relocate::relocate): Handle relocation types used by
8723 Android.
8724
07800fab
ILT		 87252009-06-03 Ian Lance Taylor <iant@google.com>
8726
8727 * arm.cc (Target_arm::scan::global): Use || instead of |.
8728
c121c671
DK		 87292009-06-02 Doug Kwan <dougkwan@google.com>
8730
8731 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
8732 issued_non_pic_error_.
8733 (class Target_arm::Scan): Declare new method check_non_pic.
8734 Define new method symbol_needs_plt_entry.
8735 Declare new data member issued_non_pic_error_.
8736 (class Target_arm::Relocate): Declare new method
8737 should_apply_static_reloc.
8738 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8739 (Target_arm::Scan::check_non_pic): Define new method.
8740 (Target_arm::Scan::local): Handle a small subset of reloc types used
8741 by Android.
8742 (Target_arm::Scan::local): Same.
8743 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8744
b19b0c6d
ILT		 87452009-05-31 Mikolaj Zalewski <mikolajz@google.com>
8746
8747 * incremental.cc (Incremental_inputs::report_command_line): Filter
8748 out --incremental-* options.
8749
94cdfcff
DK		 87502009-05-29 Doug Kwan <dougkwan@google.com>
8751
8752 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8753 template class.
8754 (class Target_arm): Update comment.
8755 (Target_arm::Target_arm): Initialize new data members GOT_,
8756 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8757 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8758 and Target_arm::rel_dyn_section.
8759 Declare new_enum Target_arm::Got_type.
8760 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8761 and DYNBSS_.
8762 Update commments for member do_dynsym_value.
8763 (Target_arm::got_size, Target_arm::plt_section,
8764 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8765 new methods inside class defintion.
8766 (Target_arm::got_section): Define new method.
8767 (Target_arm::rel_dyn_section): Same.
8768 (Output_data_plt_arm): New template class.
8769 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8770 (Output_data_plt_arm:do_adjust_output_section): Define new method.
8771 (Output_data_plt_arm::add_entry): Same.
8772 (Output_data_plt_arm::first_plt_entry): Define new
8773 static data member for PLT instruction template.
8774 (Output_data_plt_arm::plt_entry): Same.
8775 (Output_data_plt_arm::do_write): Define new method.
8776 (Target_arm::make_plt_entry): Same.
8777 (Target_arm::do_finalize_sections): Same.
8778 (Target_arm::do_dynsym_value): Same.
8779
4a657b0d
DK		 87802009-05-28 Doug Kwan <dougkwan@google.com>
8781
8782 * Makefile.am (TARGETSOURCES): Add arm.cc.
8783 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8784 * Makefile.in: Regenerate.
8785 * arm.cc: New file.
8786 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8787
e7ae8c36
DK		 87882009-05-26 Doug Kwan <dougkwan@google.com>
8789
8790 * options.cc (General_options::parse_exclude_libs). Fix a comment.
8791 (General_options::check_excluded_libs): Strip off directories in
8792 archive name before matching like GNU ld does.
8793 * testsuite/Makefile.am (MOSTLYCLEANFILES,
8794 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8795 (exclude_libs_test_LDFLAGS): Add linker option
8796 -Wl,--exclude-libs,libexclude_libs_test_3
8797 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8798 an explicit archive without using -l.
8799 (alt/libexclude_libs_test_3.a): New make rule.
8800 * testsuite/Makefile.in: Regenerate.
8801 * testsuite/exclude_libs_test.c : Declare lib3_default().
8802 (main): Call it.
8803 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8804 * exclude_libs_test_3.c: New file.
8805
f12e7348
NC		 88062009-05-26 Nick Clifton <nickc@redhat.com>
8807
8808 * po/id.po: New Indonesian translation.
8809 * po/gold.pot: Updated template file.
8810
4daadc0d
ST		 88112009-05-22 Sriraman Tallam <tmsriram@google.com>
8812
e1df38aa 8813 * testsuite/Makefile.am: Add -ffunction-sections to compile
4daadc0d
ST		 8814 gc_comdat_test files. Add -Wl,--gc-sections to build
8815 gc_comdat_test.
8816 * testsuite/Makefile.in: Regenerate.
8817 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8818
531813ad
ST		 88192009-05-21 Sriraman Tallam <tmsriram@google.com>
8820
8821 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8822 kept comdat section was garbage collected.
8823 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8824 * testsuite/Makefile.in: Regenerate.
8825 * testsuite/gc_comdat_test.sh: New file.
8826 * testsuite/gc_comdat_test_1.cc: New file.
8827 * testsuite/gc_comdat_test_2.cc: New file.
8828
65514900
CC		 88292009-05-19 Doug Kwan <dougkwan@google.com>
8830
8831 * archive.cc (Archive::Archive): Move constructor from archive.h
8832 to here. Initialize no_export_.
8833 (Archive::get_elf_object_for_member): Set no_export flag of object.
8834 * archive.h (Archive::Archive): Move constructor body to
8835 archive.cc.
8836 (Archive::no_export): New method.
8837 (Archive::no_export_): New field.
8838 * object.h (Object::Object): Initialize no_export_ to false.
8839 (Object::no_export, Object::set_no_export): New methods.
8840 (Object::no_export_): New field.
8841 * options.cc (General_options::parse_exclude_libs): New method.
8842 (General_options::check_excluded_libs) Same.
8843 * options.h (exclude_libs): New option.
8844 (General_options::check_excluded_libs): New method declaration.
8845 (General_options::excluded_libs_): New field.
8846 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8847 default or protected visibility if an object has no-export flag set.
8848 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8849 (check_SCRIPTS): Add exclude_libs_test.sh.
8850 (check_DATA): Add exclude_libs_test.syms.
8851 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8852 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8853 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8854 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8855 (exclude_libs_test.syms, libexclude_libs_test_1.a,
8856 libexclude_libs_test_2.a): New rules.
8857 * testsuite/Makefile.in: Regenerate.
8858 * testsuite/exclude_libs_test.c: New file.
8859 * testsuite/exclude_libs_test.sh: Ditto.
8860 * testsuite/exclude_libs_test_1.c: Ditto.
8861 * testsuite/exclude_libs_test_2.c: Ditto.
8862
1b77ea50
ILT		 88632009-05-15 Ian Lance Taylor <iant@google.com>
8864
8865 * configure.ac: Check for declarations for cases where libiberty.h
8866 checks HAVE_DECL_xxx.
8867 * configure, config.in: Rebuild.
8868
072fe7ce
ILT		 88692009-05-15 Mikolaj Zalewski <mikolajz@google.com>
8870
8871 * gold.h (Incremental_argument_list): Remove (invalid) forward
8872 declaration.
8873 * incremental.cc (Incremental_inputs::report_achive): New method.
8874 (Incremental_inputs::report_object): New method.
8875 (Incremental_inputs::report_script): New method.
8876 (Incremental_inputs::finalize_inputs): New method.
8877 (Incremental_inputs::finalize): Call finalize_inputs().
8878 (Incremental_inputs::sized_create_incremental_inputs_section_data):
8879 Create inputs entries.
8880 * incremental.h (Incremental_input_type): New enum.
8881 (Incremental_inputs::Incremental_input): Initialize new fields.
8882 (Incremental_inputs::report_inputs): New method.
8883 (Incremental_inputs::report_achive): New method.
8884 (Incremental_inputs::report_object): New method.
8885 (Incremental_inputs::report_script): New method.
8886 (Incremental_inputs::finalize_inputs): New method.
8887 (Incremental_inputs::Input_info): New struct.
8888 (Incremental_inputs::Input_info_map): New typedef.
8889 (Incremental_inputs::lock_): New field.
8890 (Incremental_inputs::Inputs_): New field.
8891 (Incremental_inputs::Inputs_map): New field.
8892 * main.cc (main): Call Incremental_input::report_inputs.
8893 * options.h (Input_argument_list): Typedef moved from
8894 Input_arguments.
8895 (Input_file_group::Files): Remove, use ::Input_argument_list.
8896 (Input_file_group::Input_argument_list): Remove, use
8897 ::Input_argument_list.
8898 * plugin.cc (Plugin_manager::add_input_file): Add error in
8899 incremental build.
8900 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8901 functions.
8902 * script.cc (read_input_script): Call
8903 Incremental_input::report_script.
8904 * script.h (Script_info): New class.
8905
b0481b0b
ILT		 89062009-04-27 Ian Lance Taylor <iant@google.com>
8907
8908 * x86_64.cc (do_adjust_output_section): Set entsize to
8909 plt_entry_size.
8910
b22a5a41 89112009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 8912
8913 * output.cc (Output_file::close): After short writes, continue
8914 writing from the correct offset in the buffer being written.
8915
40fde488
CD		 89162009-04-23 Chris Demetriou <cgd@google.com>
8917
8918 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8919 * configure: Regenerate.
8920 * config.in: Regenerate.
8921 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8922 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8923
3ce2c28e
ILT		 89242009-04-21 Mikolaj Zalewski <mikolajz@google.com>
8925
8926 * incremental.cc (Incremental_inputs_header_data): Renamed from
8927 Incremental_input_header_data.
8928 (Incremental_inputs_header_data::data_size): New field.
8929 (Incremental_inputs_header_data::put_input_file_count): Renamed
8930 from input_file_count.
8931 (Incremental_inputs_header_data::put_command_line_offset): Renamed
8932 from command_line_offset.
8933 (Incremental_inputs_header_data::put_reserved): Renamed from
8934 put_reserved.
8935 (Incremental_inputs_entry_data): Renamed from
8936 Incremental_input_entry_data.
8937 (Incremental_inputs_entry_data::data_size): New field.
8938 (Incremental_inputs::report_command_line): New method.
8939 (Incremental_inputs::finalize): New method.
8940 (Incremental_inputs::create_incremental_inputs_data): New method.
8941 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8942 * incremental.h: New file.
8943 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8944 (Layout::finalize): Create incremental inputs section in
8945 incremental builds.
8946 (Layout::create_incremental_info_sections): New method.
8947 * layout.h (Layout::incremental_inputs): New method.
8948 (Layout::create_incremental_info_sections): New method.
8949 (Layout::incremental_inputs_): New field.
8950 * main.cc (main): Notify Incremental_input of the command line.
8951
e55bde5e
ILT		 89522009-04-01 Ian Lance Taylor <iant@google.com>
8953 Mikolaj Zalewski <mikolajz@google.com>
8954
8955 * gold.h (reserve_unordered_map): Define, three versions, one for
8956 each version of Unordered_map.
8957 * layout.cc (Layout::Layout): Remove options parameter. Add
8958 number_of_input_files parameter. Don't initialize options_.
8959 Initialize number_of_input_files_ and resized_signatures_. Move
8960 sections_are_attached_.
8961 (Layout::layout_group): Reserve space for group_signatures_.
8962 (Layout::find_or_add_kept_section): Change name parameter to be a
8963 reference. Resize signatures_ map when it gets large enough.
8964 (Layout::layout_eh_frame): Use parameters->options() instead of
8965 this->options_.
8966 (Layout::make_output_section): Likewise.
8967 (Layout::attach_allocated_section_to_segment): Likewise.
8968 (Layout::finalize, Layout::create_executable_stack): Likewise.
8969 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8970 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8971 * layout.h (class Layout): Update declarations. Remove options_
8972 field. Add number_of_input_files_ and resized_signatures_
8973 fields. Move sections_are_attached_ field.
8974 * main.cc (main): Pass number of input files to Layout
8975 constructor. Don't pass options.
8976
154b857c
ILT		 89772009-03-30 Ian Lance Taylor <iant@google.com>
8978
8979 * ffsll.c (ffsll): Correct implementation.
8980
2f35ab9b
ILT		 89812009-03-27 Ian Lance Taylor <iant@google.com>
8982
fd03461a
ILT		 8983 * ffsll.c: New file.
8984 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8985 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8986 * ftruncate.c (ftruncate): Declare before definition.
8987 * mremap.c (mremap): Likewise.
8988 * pread.c (pread): Likewise.
8989 * configure, Makefile.in, config.in: Rebuild.
8990
2f35ab9b
ILT		 8991 * mremap.c: New file.
8992 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8993 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8994 (mremap): Declare if HAVE_MREMAP is not defined.
8995 * configure, Makefile.in, config.in: Rebuild.
8996
33aea2fd
CC		 89972009-03-27 Cary Coutant <ccoutant@google.com>
8998
8999 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
9000 position independent.
9001 * sparc.cc (Target_sparc::check_non_pic): Likewise.
9002 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
9003
6d479619
CC		 90042009-03-24 Cary Coutant <ccoutant@google.com>
9005
9006 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
9007 an executable.
9008 (needs_dynamic_reloc): Likewise.
9009
afc06bb8
ILT		 90102009-03-24 Ian Lance Taylor <iant@google.com>
9011
9012 * yyscript.y (file_cmd): Recognize EXTERN.
9013 (extern_name_list, extern_name_list_body): New nonterminals.
9014 * script.cc (script_add_extern): Define.
9015 * script-c.h (script_add_extern): Declare.
9016
f6060a4d
ILT		 90172009-03-24 Rafael Avila de Espindola <espindola@google.com>
9018
9019 * object.cc (is_elf_object): Define.
9020 * object.h (is_elf_object): Declare.
9021 * archive.cc (Archive::get_elf_object_for_member): Call
9022 is_elf_object.
33aea2fd 9023 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 9024
26736d8e
ILT		 90252009-03-24 Elliott Hughes <enh@google.com>
9026
9027 * output.cc (Output_file::map_anonymous): Define.
9028 (Output_file::map): Use map_anonymous. If the regular mmap fails,
9029 try an anonymous one. Report the size if the mmap fails.
9030 * output.h (class Output_file): Declare map_anonymous.
9031
22fd9730
ILT		 90322009-03-24 Ian Lance Taylor <iant@google.com>
9033
9034 * target-select.cc (instantiate_target): Don't acquire the lock if
9035 the instantiated_target_ field has already been set.
9036
cb010894
ILT		 90372009-03-23 Ian Lance Taylor <iant@google.com>
9038
7f055c20
ILT		 9039 * gold-threads.h (class Initialize_lock): Define.
9040 * gold-threads.cc (class Initialize_lock_once): Define.
9041 (initialize_lock_control): New static variable.
9042 (initialize_lock_pointer): New static variable.
9043 (initialize_lock_once): New static function.
9044 (Initialize_lock::Initialize_lock): Define.
9045 (Initialize_lock::initialize): Define.
9046 * target-select.h: Include "gold-threads.h".
9047 (class Target_selector): Add lock_ and initialize_lock_ fields.
9048 Don't define instantiate_target, just declare it.
9049 * target-select.cc (Target_selector::Target_selector): Initialize
9050 new fields.
9051 (Target_selector::instantiate_target): Define.
9052 * descriptors.h: Include "gold-threads.h".
9053 (class Descriptors): Add initialize_lock_ field.
9054 * descriptors.cc (Descriptors::Descriptors): Initialize new
9055 field.
9056 (Descriptors::open): Use initialize_lock_ field
9057 * errors.h (class Errors): Add initialize_lock_ field.
9058 * errors.cc (Errors::Errors): Initialize new field.
9059 (Errors::initialize_lock): Use initialize_lock_ field.
9060 * powerpc.cc (class Target_selector_powerpc): Remove
9061 instantiated_target_ field. In do_recognize call
9062 instantiate_target rather than do_instantiate_target. In
9063 do_instantiate_target just allocate a new target.
9064 * sparc.cc (class Target_selector_sparc): Likewise.
9065
36959681
ILT		 9066 * freebsd.h: New file.
9067 * i386.cc: Include "freebsd.h".
9068 (Target_i386): Derive from Target_freebsd rather than
9069 Sized_target.
9070 (Target_selector_i386): Derive from Target_selector_freebsd rather
9071 than Target_selector.
9072 * x86_64.cc: Include "freebsd.h".
9073 (Target_x86_64): Derive from Target_freebsd rather than
9074 Sized_target.
9075 (Target_selector_x86_64): Derive from Target_selector_freebsd
9076 rather than Target_selector.
9077 * target.h (class Target): Add adjust_elf_header and
9078 do_adjust_elf_header.
9079 * output.cc (Output_file_header:: do_sized_write): Call target
9080 adjust_elf_header routine.
9081 * configure.tgt: Set targ_osabi.
9082 * configure.ac: Define GOLD_DEFAULT_OSABI.
9083 * parameters.cc (Parameters::default_target): Pass
9084 GOLD_DEFAULT_OSABI to select_target.
9085 * target-select.h (class Target_selector): Make instantiate_target
9086 protected rather than private.
9087 * Makefile.am (HFILES): Add freebsd.h.
9088 * configure, Makefile.in, config.in: Rebuild.
9089
cb010894
ILT		 9090 * merge.cc (do_add_input_section): Correct pend value. Change
9091 message about last entry not being null terminated from error to
9092 warning.
9093
0e879927
ILT		 90942009-03-20 Mikolaj Zalewski <mikolajz@google.com>
9095
9096 * incremental.cc: New file.
9097 * Makefile.am (CCFILES): Add incremental.cc.
9098 * Makefile.in: Rebuild.
9099
41105937
PP		 91002009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
9101
9102 * layout.cc (Layout::output_section_name): Preserve names
9103 of '.note.' sections.
e1df38aa 9104
60439920
ILT		 91052009-03-19 Ian Lance Taylor <iant@google.com>
9106
9107 * descriptors.cc (Descriptors::open): Check that the options are
9108 valid before using them.
9109
0d371ad3
ILT		 91102009-03-18 Ian Lance Taylor <iant@google.com>
9111
9112 * script-sections.h: Include <list>.
9113 (class Script_sections): Change Sections_elements from std::vector
9114 to std::list. Typedef public Elements_iterator. Add
9115 orphan_section_placement_, data_segment_align_start_, and
9116 saw_data_segment_align_ fields. Remove data_segment_align_index_
9117 field.
9118 * script-sections.cc (class Orphan_section_placement): New class.
9119 (class Sections_element): Add virtual functions is_relro and
9120 orphan_section_init. Remove virtual function place_orphan_here.
9121 (class Output_section_definition): Add is_relro and
9122 orphan_section_init. Remove place_orphan_here.
9123 (class Orphan_output_section): Likewise.
9124 (Script_sections::Script_sections): Update for field changes.
9125 (Script_sections::data_segment_align): Set saw_data_segment_align_
9126 and data_segment_align_start_, not data_segment_align_index.
9127 (Script_sections::data_segment_relro_end): Check
9128 saw_data_segment_align_. Use data_segment_align_start_ rather
9129 than data_segment_align_index_.
9130 (Script_sections::place_orphan): Rewrite to use
9131 Orphan_section_placement.
9132
9201d894
ILT		 91332009-03-17 Ian Lance Taylor <iant@google.com>
9134
9c5b8369
ILT		 9135 * archive.cc (Archive::add_symbols): Check for a version attached
9136 to the symbol name in the archive map.
9137 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
9138 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
9139 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
9140 (ver_test_11.a): New target.
9141 * testsuite/Makefile.in: Rebuild.
9142
9201d894
ILT		 9143 * configure.ac: Check for chsize and posix_fallocate. Replace
9144 ftruncate.
9145 * ftruncate.c: New file, from gnulib.
9146 * output.cc (posix_fallocate): Define dummy version if not
9147 HAVE_POSIX_FALLOCATE.
9148 (Output_file::map): Call posix_fallocate rather than lseek and
9149 write.
9150 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
9151 * configure, Makefile.in, config.in: Rebuild.
9152
ef4ab7a8 91532009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
e1df38aa 9154
ef4ab7a8
PP		 9155 * layout.h (Layout::create_note): Add section_name parameter.
9156 * layout.cc (Layout::create_note): Likewise.
9157 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
e1df38aa 9158
8c500701
ILT		 91592009-03-17 Ian Lance Taylor <iant@google.com>
9160
e85b18e1
ILT		 9161 * descriptors.cc: Include "options.h".
9162 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
9163 (Descriptors::open): Always use O_CLOEXEC when opening a new
9164 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
9165 then set FD_CLOEXEC.
9166
9efe6174
ILT		 9167 * sparc.cc (class Target_sparc): Add has_got_section.
9168 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
9169 make sure we have a GOT section.
9170
9171 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
9172 (Target_sparc::Scan::local): Likewise.
9173 (Target_sparc::Scan::global): Likewise.
9174 (Target_sparc::Relocate::relocate): Likewise.
9175 (Target_sparc::Relocate::relocate_tls): Likewise.
9176
8c500701
ILT		 9177 * symtab.cc (Symbol_table::define_default_version): New function,
9178 broken out of add_from_object.
9179 (Symbol_table::add_from_object): Call define_default_version.
9180 (Symbol_table::define_special_symbol): Add resolve_oldsym
9181 parameter. Change all callers. If the version for a symbol comes
9182 from a version script, resolve it with the symbol with the same
9183 name with no version. Also add the symbol without a version if
9184 appropriate.
9185 (do_define_in_output_data): If resolving with oldsym, don't delete
9186 sym.
9187 (do_define_in_output_segment): Likewise.
9188 (do_define_as_constant): Likewise.
9189 * symtab.h (class Symbol_table): Update declarations.
9190
f1ed28fb
ILT		 91912009-03-13 Ian Lance Taylor <iant@google.com>
9192
15f8229b
ILT		 9193 * readsyms.cc (Read_symbols::incompatible_warning): New function.
9194 (Read_symbols::requeue): New function.
9195 (Read_symbols::do_read_symbols): If make_elf_object fails because
9196 the target type is not configured, and the file was searched for,
9197 issue a warning and retry with the next directory.
9198 (Add_symbols::run): If the file has an incompatible format, and
9199 it was searched for, requeue the Read_symbols task. On error,
9200 release the object.
9201 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
9202 dirindex parameter to constructor. Change all callers. Declare
9203 incompatible_warning and requeue.
9204 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
9205 input_argument_ and input_group_ fields. Add them to
9206 constructor. Change all callers.
9207 (class Read_script): Add dirindex_ field. Add it to constructor.
9208 Change all callers.
9209 * archive.cc (Archive::setup): Remove input_objects parameter.
9210 Change all callers.
9211 (Archive::get_file_and_offset): Likewise.
9212 (Archive::read_all_symbols): Likewise.
9213 (Archive::read_symbols): Likewise.
9214 (Archive::get_elf_object_for_member): Remove input_objects
9215 parameter. Add punconfigured parameter. Change all callers.
9216 (Archive::add_symbols): Change return type to bool. Check return
9217 value of include_member.
9218 (Archive::include_all_members): Likewise.
9219 (Archive::include_member): Change return type to bool. Return
9220 false if first included object has incompatible target. Set
9221 included_member_ field.
9222 (Add_archive_symbols::run): If add_symbols returns false, requeue
9223 Read_symbols task.
9224 * archive.h (class Archive): Add included_member_ field.
9225 Initialize it in constructor. Add input_file and searched_for
9226 methods. Update declarations.
9227 (class Add_archive_symbols): Add dirpath_, dirindex_, and
9228 input_argument_ fields. Add them to constructor. Change all
9229 callers.
9230 * script.cc: Include "target-select.h".
9231 (class Parser_closure): Add skip_on_incompatible_target_ and
9232 found_incompatible_target_ fields. Add
9233 skip_on_incompatible_target parameter to constructor. Change all
9234 callers. Add methods skip_on_incompatible_target,
9235 clear_skip_on_incompatible_target, found_incompatible_target, and
9236 set_found_incompatible_target.
9237 (read_input_script): Add dirindex parameter. Change all callers.
9238 If parser finds an incompatible target, requeue Read_symbols
9239 task.
9240 (script_set_symbol): Clear skip_on_incompatible_target in
9241 closure.
9242 (script_add_assertion, script_parse_option): Likewise.
9243 (script_start_sections, script_add_phdr): Likewise.
9244 (script_check_output_format): New function.
9245 * script.h (read_input_script): Update declaration.
9246 * script-c.h (script_check_output_format): Declare.
9247 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
9248 (ignore_cmd): Remove OUTPUT_FORMAT.
9249 * fileread.cc (Input_file::Input_file): Add explicit this.
9250 (Input_file::will_search_for): New function.
9251 (Input_file::open): Add pindex parameter. Change all callers.
9252 * fileread.h (class Input_file): Add input_file_argument method.
9253 Declare will_search_for. Update declarations.
9254 * object.cc (make_elf_object): Add punconfigured parameter.
9255 Change all callers.
9256 * object.h (class Object): Make input_file public. Add
9257 searched_for method.
9258 (make_elf_object): Update declaration.
9259 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
9260 restart search.
9261 * dirsearch.h (class Dirsearch): Update declaration.
9262 * options.h (class General_options): Add --warn-search-mismatch.
9263 * parameters.cc (Parameters::is_compatible_target): New function.
9264 * parameters.h (class Parameters): Declare is_compatible_target.
9265 * workqueue.cc (Workqueue::add_blocker): New function.
9266 * workqueue.h (class Workqueue): Declare add_blocker.
9267
f1ed28fb
ILT		 9268 * fileread.cc (Input_file::open): Remove options parameter.
9269 Change all callers.
9270 (Input_file::open_binary): Likewise.
9271 * script.cc (read_input_script): Likewise.
9272 * readsyms.h (class Read_symbols): Remove options_ field. Remove
9273 options parameter from constructor. Change all callers.
9274 (class Read_script): Likewise.
9275 * fileread.h (class Input_file): Update declarations.
9276 * script.h (read_input_script): Update declaration.
9277
34dd024a
NC		 92782009-03-10 Nick Clifton <nickc@redhat.com>
9279
9280 * po/es.po: New Spanish translation.
9281
6d71b17c
CC		 92822009-03-06 Cary Coutant <ccoutant@google.com>
9283
9284 * options.cc (parse_short_option): Keep dash_z from registering itself.
9285
031cdbed
ILT		 92862009-03-03 Ian Lance Taylor <iant@google.com>
9287
9288 PR 9918
9289 * target-reloc.h (relocate_section): Pass output_section to
9290 relocate.
9291 * i386.cc (Target_i386::should_apply_static_reloc): Add
9292 output_section parameter. Change all callers.
9293 (Target_i386::Relocate::relocate): Add output_section parameter.
9294 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9295 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
9296 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
9297 * testsuite/two_file_shared.sh: New script.
9298 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
9299 (check_DATA): Add two_file_shared.dbg.
9300 (two_file_shared.dbg): New target.
9301 * testsuite/Makefile.in: Rebuild.
9302
15d5fa16
ILT		 93032009-03-01 Ian Lance Taylor <iant@google.com>
9304
9305 * configure.ac: Check for byteswap.h.
9306 * configure: Rebuild.
9307 * config.in: Rebuild.
9308
8a4c0b0d
ILT		 93092009-03-01 Mikolaj Zalewski <mikolajz@google.com>
9310
9311 * layout.cc (Layout::find_or_add_kept_section): New function.
9312 (Layout::add_comdat): Removed.
9313 * layout.h (struct Kept_section): Move out of class Layout.
9314 Remove trailing underscores from field names. Add group_sections
9315 field. Rename group_ field to is_group. Change all uses.
9316 (class Layout): Declare find_or_add_kept_section, not add_comdat.
9317 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
9318 comdat_groups_ field.
9319 (Sized_relobj::include_section_group): Use
9320 find_or_add_kept_section and Kept_section::group_sections.
9321 (Sized_relobj::include_linkonce_section): Likewise.
9322 * object.cc (class Sized_relobj): Don't define Comdat_group or
9323 Comdat_group_table. Remove find_comdat_group and
9324 add_comdat_group. Remove comdat_groups_ field.
9325 * plugin.cc (include_comdat_group): Use
9326 Layout::find_or_add_kept_section.
9327
b4ecf66b
ILT		 93282009-02-28 Ian Lance Taylor <iant@google.com>
9329
14359ca0
ILT		 9330 * README: --gc-sections and map files are now supported. Document
9331 some build requirements.
9332
b4ecf66b
ILT		 9333 PR 6992
9334 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
9335 relocatable link set the value of the section symbol to zero.
9336 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
9337 relocatable link don't include the section address in the local
9338 symbol value.
9339
0602e05a
ILT		 93402009-02-27 Ian Lance Taylor <iant@google.com>
9341
fd9d194f
ILT		 9342 PR 6811
9343 * options.h (class Search_directory): Add is_system_directory.
9344 (class General_options): Declare is_in_system_directory.
9345 * options.cc (get_relative_sysroot): Make static.
9346 (get_default_sysroot): Make static.
9347 (General_optoins::is_in_system_directory): New function.
9348 * fileread.cc (Input_file::is_in_system_directory): New function.
9349 * fileread.h (class Input_file): Declare is_in_system_directory.
9350 * object.h (class Object): Add is_in_system_directory.
9351 (class Input_objects): Remove system_library_directory_ field.
9352 * object.cc (Input_objects::add_object): Don't set
9353 system_library_directory_.
9354 (input_objects::found_in_system_library_directory): Remove.
9355 * symtab.cc (Symbol_table::write_globals): Remove input_objects
9356 parameter. Change all callers.
9357 (Symbol_table::sized_write_globals): Likewise.
9358 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
9359 Call Object::is_in_system_directory.
9360 * symtab.h (class Symbol_table): Update declarations.
9361
61edd21f
ILT		 9362 PR 5990
9363 * descriptors.h (Open_descriptor): Add is_on_stack field.
9364 * descriptors.cc (Descriptors::open): If the descriptor is on the
9365 top of the stack, remove it. Initialize is_on_stack field.
9366 (Descriptors::release): Only add pod to stack if it is not on the
9367 stack already.
9368 (Descriptors::close_some_descriptor): Clear stack_next and
9369 is_on_stack fields.
9370
e29e076a
ILT		 9371 PR 7091
9372 * output.cc (Output_section::find_starting_output_address): Rename
9373 from starting_output_address; add PADDR parameter; change return
9374 type.
9375 * output.h (class Output_section): Declare
9376 find_starting_output_address instead of starting_output_address.
9377 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
9378 section symbol for which we can't find a merge section.
9379
0602e05a
ILT		 9380 PR 9836
9381 * symtab.cc (Symbol_table::add_from_object): If the visibility is
9382 hidden or internal, force the symbol to be local.
9383 * resolve.cc (Symbol::override_visibility): Define.
9384 (Symbol::override_base): Use override_visibility.
9385 (Symbol_table::resolve): Likewise.
9386 (Symbol::override_base_with_special): Likewise.
9387 (Symbol_table::override_with_special): If the visibility is hidden
9388 or internal, force the symbol to be local.
9389 * symtab.h (class Symbol): Add set_visibility and
9390 override_visibility.
9391 * testsuite/ver_test_1.sh: New file.
9392 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
9393 (check_DATA): Add ver_test_1.syms.
9394 (ver_test_1.syms): New target.
9395 * testsuite/Makefile.in: Rebuild.
9396
401a9a73
CC		 93972009-02-25 Cary Coutant <ccoutant@google.com>
9398
9399 * layout.cc (Layout::choose_output_section): Don't rename sections
9400 when using a linker script that has a SECTIONS clause.
9401 * Makefile.in: Regenerate.
9402
9403 * testsuite/Makefile.am (script_test_5.sh): New test case.
9404 * testsuite/Makefile.in: Regenerate.
9405 * testsuite/script_test_5.cc: New file.
9406 * testsuite/script_test_5.sh: New file.
9407 * testsuite/script_test_5.t: New file.
9408
f488e4b0
CC		 94092009-02-13 Rafael Avila de Espindola <espindola@google.com>
9410
9411 * archive.cc (Archive::include_member): Update calls to add_symbols.
9412 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
9413 the Layout argument.
9414 * dynobj.h (do_add_symbols): Add the Layout argument.
9415 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
9416 Layout argument.
9417 * object.h (Object::add_symbols): Add the Layout argument.
9418 (Object::do_add_symbols): Add the Layout argument.
9419 (Sized_relobj::do_add_symbols): Add the Layout argument.
9420 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
9421 Unify the two versions.
9422 (Add_plugin_symbols): Remove.
9423 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
9424 (Sized_pluginobj::do_add_symbols): Unify the two versions.
9425 (Add_plugin_symbols): Remove.
9426 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
9427 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
9428 (Add_symbols::run): Make it work with Pulginobj.
9429
89dd1680
ILT		 94302009-02-06 Ian Lance Taylor <iant@google.com>
9431
9432 * object.cc (Sized_relobj::do_layout): Make info message start
9433 with lower case letter.
9434
266d0a74
ILT		 94352009-02-06 Mikolaj Zalewski <mikolajz@google.com>
9436
602b464e
ILT		 9437 * binary.cc: Fix file comment.
9438
266d0a74
ILT		 9439 * options.h (enum Incremental_disposition): Define.
9440 (class General_options): Add new options: --incremental,
9441 --incremental_changed, --incremental_unchanged,
9442 --incremental_unknown. Add incremental_disposition_ and
9443 implicit_incremental_ fields.
9444 (General_options::incremental_disposition): New function.
9445 (class Position_dependent_options): Add incremental_disposition
9446 option.
9447 (Position_dependent_options::copy_from_options): Set incremental
9448 dispositions.
9449 * options.cc (General_options::parse_incremental_changed): New
9450 function.
9451 (General_options::parse_incremental_unchanged): New function.
9452 (General_options::parse_incremental_unknown): New function.
9453 (General_options::General_options): Initialize new fields
9454 incremental_disposition_ and implicit_incremental_.
9455 (General_options::finalize): Check for uasge of --incremental-*
9456 without --incremental.
9457
f073bbf7
CD		 94582009-02-06 Chris Demetriou <cgd@google.com>
9459
9460 * gold.h (gold_undefined_symbol): Change to take only a Symbol
9461 pointer and to report location as the file name associated with
9462 the symbol.
9463 (gold_undefined_symbol_at_location): New function to replace the
9464 old gold_undefined_symbol functionality.
9465 * target-reloc.h (relocate_section): Update to use
9466 gold_undefined_symbol_at_location.
9467 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9468 Call gold_undefined_symbol function rather than gold_error.
9469 * errors.h (Errors::undefined_symbol): Take location as a
9470 string, rather than calculating it from a relocation.
9471 * errors.cc (Errors::fatal): Print "fatal error:" before the
9472 formatted message.
9473 (Errors::error, Errors::error_at_location): Print "error: "
9474 before the formatted message.
9475 (Errors::undefined_symbol): Take location as a string, rather
9476 than calculating it from a relocation.
9477 (gold_undefined_symbol_at_location): New function akin to
9478 old gold_undefined_symbol, calculates location from relocation.
9479 (gold_undefined_symbol): Change to take only a Symbol pointer
9480 and to report location as the file name associated with the symbol.
9481 * testsuite/debug_msg.sh: Update for changed error messages.
9482 * testsuite/undef_symbol.sh: Likewise.
9483
8e94a90c
ILT		 94842009-02-04 Duncan Sands <baldrick@free.fr>
9485
9486 PR 9812
9487 * reduced_debug_output.h
9488 (Output_reduced_debug_abbrev_section::failed): Use format for
9489 gold_warning.
9490 (Output_reduced_debug_info_section::faild): Likewise.
9491
88a0e15b
ILT		 94922009-01-31 Mikolaj Zalewski <mikolajz@google.com>
9493
9494 * script.cc (Lazy_demangler): New class.
9495 (Version_script_info::get_symbol_version_helper): Demangle a
9496 symbol only once.
9497
5efc7cd2
CC		 94982009-01-29 Cary Coutant <ccoutant@google.com>
9499
9500 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9501 to __tls_get_addr.
9502 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9503
e0ebcf42
ILT		 95042009-01-28 Ian Lance Taylor <iant@google.com>
9505
5efc7cd2 9506 * version.cc (version_string): Bump to 1.9.
75fe7426 9507
e0ebcf42
ILT		 9508 * gold.h: Include <cstring> and <stdint.h>.
9509 * version.cc: Include <cstdio>.
9510 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9511 warning.
9512 * reduced_debug_output.cc (insert_into_vector): Rename from
9513 Insert_into_vector; change all callers. Use Swap_unaligned to
9514 avoid aliasing issue; remove union since it is unnecessary.
9515
8e2813be 95162009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 9517
9518 * Makefile.am (CCFILES): Add gc.cc.
9519 (HFILES): Add gc.h.
9520 * Makefile.in: Regenerate.
9521 * gold.cc (Gc_runner): New class.
9522 (queue_initial_tasks): Call garbage collection related tasks
9523 when corresponding options are invoked.
9524 (queue_middle_gc_tasks): New function.
9525 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9526 processed early before laying out sections during garbage collection.
9527 * gold.h (queue_middle_gc_tasks): New function.
9528 (is_prefix_of): Move from "layout.cc".
9529 * i386.cc (Target_i386::gc_process_relocs): New function.
9530 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9531 * main.cc (main): Create object of class "Garbage_collection".
9532 * object.cc (Relobj::copy_symbols_data): New function.
9533 (Relobj::is_section_name_included): New function.
e1df38aa
NC		 9534 (Sized_relobj::do_layout): Allow this function to be called twice
9535 during garbage collection and defer layout of section during the
6d03d481
ST		 9536 first call.
9537 * object.h (Relobj::get_symbols_data): New function.
9538 (Relobj::is_section_name_included): New function.
9539 (Relobj::copy_symbols_data): New function.
9540 (Relobj::set_symbols_data): New function.
9541 (Relobj::get_relocs_data): New function.
9542 (Relobj::set_relocs_data): New function.
9543 (Relobj::is_output_section_offset_invalid): New pure virtual function.
9544 (Relobj::gc_process_relocs): New function.
9545 (Relobj::do_gc_process_relocs): New pure virtual function.
9546 (Relobj::sd_): New data member.
9547 (Sized_relobj::is_output_section_offset_invalid): New function.
9548 (Sized_relobj::do_gc_process_relocs): New function.
9549 * options.h (General_options::gc_sections): Modify to not be a no-op.
9550 (General_options::print_gc_sections): New option.
9551 * plugin.cc (Plugin_finish::run): Remove function call to
9552 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
9553 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9554 * reloc.cc (Read_relocs::run): Add task to process relocs and
9555 determine unreferenced sections when doing garbage collection.
9556 (Gc_process_relocs): New class.
9557 (Sized_relobj::do_gc_process_relocs): New function.
9558 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9559 sections that are garbage collected.
9560 * reloc.h (Gc_process_relocs): New class.
9561 * sparc.cc (Target_sparc::gc_process_relocs): New function.
9562 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9563 symbols whose corresponding sections are garbage collected.
9564 (Symbol_table::Symbol_table): Add new parameter for the garbage
9565 collection object.
9566 (Symbol_table::gc_mark_undef_symbols): New function.
9567 (Symbol_table::gc_mark_symbol_for_shlib): New function.
9568 (Symbol_table::gc_mark_dyn_syms): New function.
9569 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9570 as garbage.
9571 (Symbol_table::add_from_object): Likewise.
9572 (Symbol_table::add_from_relobj): When building shared objects, do not
9573 treat externally visible symbols as garbage.
9574 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9575 table information for static and relocatable links.
9576 * symtab.h (Symbol_table::set_gc): New function.
9577 (Symbol_table::gc): New function.
9578 (Symbol_table::gc_mark_undef_symbols): New function.
9579 (Symbol_table::gc_mark_symbol_for_shlib): New function.
9580 (Symbol_table::gc_mark_dyn_syms): New function.
9581 (Symbol_table::gc_): New data member.
e1df38aa 9582 * target.h (Sized_target::gc_process_relocs): New pure virtual
6d03d481
ST		 9583 function.
9584 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9585 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9586
3b293544
CF		 95872009-01-20 Chris Faylor <me.sourceware@sourceware.org>
9588
9589 * options.h (General_options::gc_sections): Define as a no-op for now.
9590 (General_options::no_keep_memory): Ditto.
9591 (General_options::Bshareable): Define.
9592 * options.cc (General_options::finalize): Honor -Bshareable.
9593
83d22aa8
AS		 95942009-01-20 Andreas Schwab <schwab@suse.de>
9595
9596 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9597 read the value in the contents, since we don't use it. Use the
9598 template endianness when writing.
9599 (Relocate::relocate): Use it for R_PPC_REL16_HA.
9600
cd536b21
AS		 96012009-01-19 Andreas Schwab <schwab@suse.de>
9602
9603 * configure.tgt (powerpc64-*): Fix targ_obj.
9604
99e9a495
ILT		 96052009-01-15 Ian Lance Taylor <iant@google.com>
9606
9607 * object.cc (Sized_relobj::write_local_symbols): Don't write out
9608 local symbols when stripping all symbols.
9609
bbbfea06
CC		 96102009-01-14 Cary Coutant <ccoutant@google.com>
9611
99e9a495 9612 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 9613
0f7c0701
CC		 96142009-01-14 Cary Coutant <ccoutant@google.com>
9615
9616 * archive.cc (Archive::get_elf_object_for_member): Remove call
9617 to File_read::claim_for_plugin.
9618 * descriptors.cc (Descriptors::open): Remove reference to
9619 is_claimed.
9620 (Descriptors::claim_for_plugin): Remove.
9621 * descriptors.h (Descriptors::claim_for_plugin): Remove.
9622 (Descriptors::is_claimed): Remove.
9623 (claim_descriptor_for_plugin): Remove.
9624 * fileread.cc (File_read::claim_for_plugin): Remove.
9625 * fileread.h (File_read::claim_for_plugin): Remove.
9626 (File_read::descriptor): Reopen descriptor if necessary.
9627 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
9628 (Plugin_manager::all_symbols_read): Add task parameter. Change
9629 all callers.
9630 (Plugin_manager::get_input_file): New function.
9631 (Plugin_manager::release_input_file): New function.
9632 (Pluginobj::Pluginobj): Add filesize parameter and initialize
9633 corresponding data member.
9634 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9635 and pass to base constructor. Change all callers.
9636 (get_input_file, release_input_file): New functions.
9637 (make_sized_plugin_object): Add filesize parameter. Change all callers.
9638 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9639 (Plugin_manager::all_symbols_read): Add task parameter.
9640 (Plugin_manager::get_input_file): New function.
9641 (Plugin_manager::release_input_file): New function.
9642 (Plugin_manager::task_): New data member.
9643 (Pluginobj::Pluginobj): Add filesize parameter.
9644 (Pluginobj::filename): New function.
9645 (Pluginobj::descriptor): New function.
9646 (Pluginobj::filesize): New function.
9647 (Pluginobj::filesize_): New data member.
9648 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9649 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9650 File_read::claim_for_plugin; use Object::unlock to unlock the file.
9651
9652 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9653 with archive libraries.
9654 * testsuite/Makefile.in: Regenerate.
9655 * testsuite/plugin_test.c (struct sym_info): New type.
9656 (get_input_file, release_input_file): New static variables.
9657 (onload): Capture new transfer vector entries.
9658 (claim_file_hook): Stop reading at end of file according to filesize.
9659 Factor out parsing of readelf output into separate function.
9660 (all_symbols_read_hook): Exercise get_input_file and release_input_file
9661 APIs and get the source file name from the symbol table. Convert
9662 source file name to corresponding object file name. Print info
9663 message when adding new input files.
9664 (parse_readelf_line): New function.
9665 * testsuite/plugin_test_1.sh: Add checks for new info messages.
9666 * testsuite/plugin_test_2.sh: Likewise.
9667 * testsuite/plugin_test_3.sh: Likewise.
9668 * testsuite/plugin_test_4.sh: New test case.
9669
62a6d109
ILT		 96702009-01-07 Ian Lance Taylor <iant@google.com>
9671
9672 * version.cc (version_string): Bump to 1.8.
9673
483620e8
CC		 96742008-12-23 Cary Coutant <ccoutant@google.com>
9675
9676 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9677 * plugin.cc (Plugin_manager::finish): Rename as
9678 layout_deferred_objects. Move cleanup to separate function.
9679 (Plugin_manager::cleanup): New function.
9680 (Plugin_finish::run): Call layout_deferred_objects and cleanup
9681 separately.
9682 * plugin.h (Plugin_manager::finish): Rename as
9683 layout_deferred_objects.
9684 (Plugin_manager::cleanup): New function.
9685 (Plugin_manager::cleanup_done): New field.
9686
d66a9eb3
CC		 96872008-12-23 Cary Coutant <ccoutant@google.com>
9688
9689 * plugin.cc (is_visible_from_outside): New function.
9690 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9691 so we don't return "IR only" status for exported symbols or -r links.
9692
9693 * testsuite/Makefile.am (plugin_test_3): New test case.
9694 * testsuite/Makefile.in: Regenerate.
9695 * testsuite/plugin_test_3.sh: New file.
9696
5995b570
CC		 96972008-12-22 Cary Coutant <ccoutant@google.com>
9698
9699 * object.cc (Sized_relobj::layout_section): New function.
9700 (Sized_relobj::do_layout): Defer layout of input sections until after
9701 plugin has provided replacement files.
9702 (Sized_relobj::do_layout_deferred_sections): New function.
9703 * object.h (Relobj::set_section_offset): Remove virtual keyword.
9704 (Relobj::layout_deferred_sections): New function.
9705 (Relobj::do_layout_deferred_sections): New function.
9706 (Sized_relobj::do_layout_deferred_sections): New function.
9707 (Sized_relobj::layout_section): New function.
9708 (Sized_relobj::Deferred_layout): New structure.
9709 (Sized_relobj::deferred_layout_): New field.
9710 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9711 Change all callers. Layout deferred sections.
9712 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
9713 references.
9714 (Plugin_hook::run): Move code from do_plugin_hook inline.
9715 (Plugin_hook::do_plugin_hook): Remove.
9716 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9717 (Plugin_manager::finish): Renamed, was cleanup.
9718 (Plugin_manager::should_defer_layout): New function.
9719 (Plugin_manager::add_deferred_layout_object): New function.
9720 (Plugin_manager::Deferred_layout_list): New type.
9721 (Plugin_manager::deferred_layout_objects_): New field.
9722 (Plugin_hook::do_plugin_hook): Remove.
9723
ee769c88
ILT		 97242008-12-17 Ian Lance Taylor <iant@google.com>
9725
9726 * options.h (class General_options): Add --no case for
9727 --export-dynamic.
9728
abc8dcba
CC		 97292008-12-16 Cary Coutant <ccoutant@google.com>
9730
9731 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9732 vector.
9733 (Plugin_manager::claim_file): Create plugin object even if
9734 plugin did not call the add_symbols callback.
9735 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9736 asking for more symbols than were added.
9737 * testsuite/Makefile.am (plugin_test_1): Add test case with
9738 no global symbols.
9739 (empty.syms): New target.
9740 * testsuite/Makefile.in: Regenerate.
9741 * testsuite/plugin_test.c (claim_file_hook): Add new debug
9742 message. Don't call add_symbols if no globals.
9743 (all_symbols_read_hook): Don't provide replacement for empty
9744 claimed file.
9745
b0074644
ILT		 97462008-12-12 Ian Lance Taylor <iant@google.com>
9747
68943102
ILT		 9748 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9749 r_type == 0 for a local symbol with r_sym == 0.
9750 (scan_relocatable_relocs): Pass r_sym to
9751 local_non_section_strategy.
9752 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9753 r_sym parameter.
9754
b0074644
ILT		 9755 * configure.ac: Update test for TLS descriptors: they are
9756 supported as of glibc 2.9.
9757 * configure: Rebuild.
9758
c2508178
ILT		 97592008-12-11 Ian Lance Taylor <iant@google.com>
9760
9761 PR 7091
9762 * target-reloc.h (Default_scan_relocatable_relocs): For each
9763 function, map r_type == 0 to RELOC_DISCARD.
9764
2756a258
CC		 97652008-12-10 Cary Coutant <ccoutant@google.com>
9766
9767 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9768 object to override a kept COMDAT group from a plugin object.
9769
bb6f53d3
ILT		 97702008-12-09 Ian Lance Taylor <iant@google.com>
9771
fbc558e1
ILT		 9772 PR 7088
9773 * yyscript.y (file_cmd): Handle INPUT.
9774
bb6f53d3
ILT		 9775 * testsuite/initpri1.c: Change all declarations to be full
9776 prototypes by adding void, to avoid compiler warnings.
9777
4674ecfc
CC		 97782008-12-05 Rafael Avila de Espindola <espindola@google.com>
9779
9780 * options.cc (General_options::parse_plugin_opt): New.
9781 (General_options::add_plugin): The argument now is just the filename.
9782 (General_options::add_plugin_option): New.
9783 * options.h (plugin_opt): New.
9784 (add_plugin): Change argument name.
9785 (add_plugin_option): New.
9786 * plugin.cc (Plugin::load): Don't parse the plugin option.
9787 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9788 (Plugin::add_option): New.
9789 (Plugin::args_): Change type.
9790 (Plugin::filename_): New.
9791 (Plugin_manager::add_plugin_option): New.
9792 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9793 * testsuite/Makefile.in: Regenerate.
9794
fd06b4aa
CC		 97952008-12-05 Cary Coutant <ccoutant@google.com>
9796
9797 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9798 Handle --strip-lto-sections option.
9799 * options.h (strip_lto_sections): New option.
9800
6c52134c
CC		 98012008-12-01 Cary Coutant <ccoutant@google.com>
9802
9803 * plugin.cc (ld_plugin_message): Change format parameter to const.
9804 Fix mismatch between new[] and delete.
9805
a45248e0
CC		 98062008-11-14 Cary Coutant <ccoutant@google.com>
9807
9808 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9809 instead of -1U.
9810
c82fbeee
CS		 98112008-11-05 Craig Silverstein <csilvers@google.com>
9812
9813 * options.cc (General_options::parse_dynamic_list): New function.
9814 * options.h (General_options): New flags dynamic_list,
9815 dynamic_list_data, dynamic_list_cpp_new, and
9816 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
9817 (General_options::in_dynamic_list): New function.
9818 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9819 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9820 (Lex::can_continue_name): Likewise.
9821 (yylex): Likewise.
9822 (read_script_file): New parameter script_options.
9823 (read_dynamic_list): New function.
9824 (Script_options::define_dynamic_list): New function.
9825 (dynamic_list_keyword_parsecodes): New variable.
9826 (dynamic_list_keywords): New variable.
9827 * script.h (Script_options::define_dynamic_list): New function
9828 prototype.
9829 (read_dynamic_list): New function prototype.
9830 * symtab.cc (strprefix): New macro.
9831 (Symbol::should_add_dynsym_entry): Support dynamic_list,
9832 dynamic_list_data, dynamic_list_cpp_new, and
9833 dynamic_list_cpp_typeinfo.
9834 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9835 (dynamic_list_expr): New rule.
9836 (dynamic_list_nodes): Likewise.
9837 (dynamic_list_node): Likewise.
9838 * testsuite/Makefile.am (dynamic_list): New test.
9839 * testsuite/Makefile.in: Regenerated.
9840 * testsuite/dynamic_list.t: New file.
9841 * testsuite/dynamic_list.sh: New file.
9842
e0bb29a5
CS		 98432008-11-05 Craig Silverstein <csilvers@google.com>
9844
9845 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9846 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9847 (t11_last): Likewise.
9848 * testsuite/ver_test_6.c (main): Likewise.
9849
4e1e25e0
CC		 98502008-10-07 Cary Coutant <ccoutant@google.com>
9851
9852 * options.c (General_options::finalize): Add check for -static and
9853 -shared.
9854 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9855 is not empty.
9856
92f03fcb
CC		 98572008-10-02 Cary Coutant <ccoutant@google.com>
9858
9859 * plugin.cc (make_sized_plugin_object): Fix conditional
9860 compilation to work when not all targets are enabled.
9861
fbd8a257
CC		 98622008-09-29 Cary Coutant <ccoutant@google.com>
9863
9864 * archive.cc (Archive::get_file_and_offset): Use filename instead
9865 of name to get library path.
9866 (Archive::include_member): Unlock external member of a thin archive.
9867
9868 * testsuite/Makefile.am (TEST_AR): New variable.
9869 (thin_archive_test_1): New test.
9870 (thin_archive_test_2): New test.
81636b3f
CC		 9871 * testsuite/Makefile.in: Regenerate.
9872 * testsuite/thin_archive_main.cc: New file.
9873 * testsuite/thin_archive_test_1.cc: New file.
9874 * testsuite/thin_archive_test_2.cc: New file.
9875 * testsuite/thin_archive_test_3.cc: New file.
9876 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 9877
eff45813
CC		 98782008-09-29 Cary Coutant <ccoutant@google.com>
9879
9880 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9881 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9882 instead of -1U.
9883 (Sized_relobj::do_finalize_local_symbols): Likewise.
9884 (Sized_relobj::map_to_kept_section): Likewise.
9885 * object.h (Sized_relobj::invalid_address): New constant.
9886 (Sized_relobj::do_output_section_offset): Check for invalid_address
9887 and return -1ULL.
9888 * output.cc (Output_reloc::local_section_offset): Use constant
9889 invalid_address instead of -1U.
9890 (Output_reloc::get_address): Likewise.
9891 (Output_section::output_address): Change -1U to -1ULL.
9892 * output.h (Output_reloc::invalid_address): New constant.
9893 * reloc.cc (Sized_relobj::write_sections): Use constant
9894 invalid_address instead of -1U.
9895 (Sized_relobj::relocate_sections): Likewise.
9896 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9897 values for merge sections.
9898 * target-reloc.h (relocate_for_relocatable): Use constant
9899 invalid_address instead of -1U.
9900
89fc3421
CC		 99012008-09-19 Cary Coutant <ccoutant@google.com>
9902
9903 Add plugin functionality for link-time optimization (LTO).
9904 * configure.ac (plugins): Add --enable-plugins option.
9905 * configure: Regenerate.
9906 * config.in: Regenerate.
9907 * Makefile.am (LIBDL): New variable.
9908 (CCFILES): Add plugin.cc.
9909 (HFILES): Add plugin.h.
9910 (ldadd_var): Add LIBDL.
9911 * Makefile.in: Regenerate.
9912
9913 * archive.cc: Include "plugin.h".
9914 (Archive::setup): Don't preread archive symbols when using a plugin.
9915 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
9916 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9917 files.
9918 (Archive::include_member): Add symbols from plugin objects.
9919 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9920 * descriptors.cc (Descriptors::open): Check for file descriptors
9921 abandoned by plugins.
9922 (Descriptors::claim_for_plugin): New function.
9923 * descriptors.h (Descriptors::claim_for_plugin): New function.
9924 (Open_descriptor::is_claimed): New field.
9925 (claim_descriptor_for_plugin): New function.
9926 * fileread.cc (File_read::claim_for_plugin): New function.
9927 * fileread.h (File_read::claim_for_plugin): New function.
9928 (File_read::descriptor): New function.
9929 * gold.cc: Include "plugin.h".
9930 (queue_initial_tasks): Add task to call plugin hooks for generating
9931 new object files.
9932 * main.cc: Include "plugin.h".
9933 (main): Load plugin libraries.
9934 * object.h (Pluginobj): Declare.
9935 (Object::pluginobj): New function.
9936 (Object::do_pluginobj): New function.
9937 (Object::set_target): New function.
9938 * options.cc: Include "plugin.h".
9939 (General_options::parse_plugin): New function.
9940 (General_options::General_options): Initialize plugins_ field.
9941 (General_options::add_plugin): New function.
9942 * options.h (Plugin_manager): Declare.
9943 (General_options): Add --plugin option.
9944 (General_options::has_plugins): New function.
9945 (General_options::plugins): New function.
9946 (General_options::add_plugin): New function.
9947 (General_options::plugins_): New field.
9948 * plugin.cc: New file.
9949 * plugin.h: New file.
9950 * readsyms.cc: Include "plugin.h".
9951 (Read_symbols::do_read_symbols): Check for archive before checking
9952 for ELF file. Call plugin hooks to claim files.
9953 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9954 from a real object file; force override when processing replacement
9955 files.
9956 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9957 (Symbol::init_base_object): Likewise.
9958 (Symbol::init_base_output_data): Likewise.
9959 (Symbol::init_base_output_segment): Likewise.
9960 (Symbol::init_base_constant): Likewise.
9961 (Symbol::init_base_undefined): Likewise.
9962 (Symbol::output_section): Assert that object is not a plugin.
9963 (Symbol_table::add_from_pluginobj): New function.
9964 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9965 undefined.
9966 (Symbol_table::sized_write_globals): Likewise.
9967 (Symbol_table::add_from_pluginobj): Instantiate template.
9968 * symtab.h (Sized_pluginobj): Declare.
9969 (Symbol::in_real_elf): New function.
9970 (Symbol::set_in_real_elf): New function.
9971 (Symbol::in_real_elf_): New field.
9972 (Symbol_table::add_from_pluginobj): New function.
9973
9974 * testsuite/Makefile.am (AM_CFLAGS): New variable.
9975 (LIBDL): New variable.
9976 (LDADD): Add LIBDL.
9977 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9978 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9979 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9980 (MOSTLYCLEANFILES): Likewise.
9981 * testsuite/Makefile.in: Regenerate.
9982 * testsuite/plugin_test.c: New file.
9983 * testsuite/plugin_test_1.sh: New file.
9984 * testsuite/plugin_test_2.sh: New file.
9985
de31bda5
ILT		 99862008-09-16 Ian Lance Taylor <iant@google.com>
9987
9c2d0ef9
ILT		 9988 * target-reloc.h (relocate_section): Check whether a symbol is
9989 defined by the ABI before reporting an undefined symbol error.
9990 * target.h (Target::is_defined_by_abi): Make parameter const.
9991 (Target::do_is_defined_by_abi): Likewise.
9992 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9993 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9994 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9995 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9996 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9997 * testsuite/Makefile.in: Rebuild.
9998
de31bda5
ILT		 9999 * fileread.cc (make_view): Add casts to avoid warning.
10000
9fa33bee
AO		 100012008-09-16 Alexandre Oliva <aoliva@redhat.com>
10002
10003 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
10004 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10005
183fd0e3
AO		 100062008-09-16 Alexandre Oliva <aoliva@redhat.com>
10007
10008 * options.h (General_options::output_is_executable): New.
10009 (General_options::output_is_pie): New.
10010 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
10011 for shared libraries.
10012 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
10013
7be8330a
CD		 100142008-09-11 Chris Demetriou <cgd@google.com>
10015
10016 * options.h (origin): New -z option.
10017 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
10018 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
10019 in DT_FLAGS_1.
10020
a9caad02
CC		 100212008-09-05 Cary Coutant <ccoutant@google.com>
10022
10023 * fileread.cc (File_read::make_view): Add check for attempt to map
10024 beyond end of file.
10025
ae6dce4d
CC		 100262008-09-05 Cary Coutant <ccoutant@google.com>
10027
10028 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
10029 explicit instantiations.
10030
d7ab2a47
KVH		 100312008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
10032
10033 PR gold/6858
10034 * options.cc (General_options::finalize): Allow undefined symbols
10035 in shlibs if linking -shared.
10036
10037 PR gold/6859
10038 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
10039 symbols as not needing a dynsym entry.
10040
1e52a9c1
CS		 100412008-08-20 Craig Silverstein <csilvers@google.com>
10042
10043 * fileread.cc (File_read::open): Do not lock the file unless it
10044 was successfully opened.
10045
d85c80a3
CC		 100462008-08-14 Cary Coutant <ccoutant@google.com>
10047
10048 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
10049 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
10050 * testsuite/tls_test.cc (struct int128): 128-bit struct
10051 for testing TLS relocs with non-zero addend.
10052 (v12): New TLS variable.
10053 (t12): New test.
10054 (t_last): Add check for v12.
10055 * testsuite/tls_test.h (t12): New function.
10056 * testsuite/tls_test_main.cc (thread_routine): Call new test.
10057
2d924fd9
ILT		 100582008-08-13 Ian Lance Taylor <iant@google.com>
10059
10060 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
10061 set tls_segment_ or relro_segment_.
10062 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
10063 when appropriate.
10064 * output.h (Output_section::clear_is_relro): New function.
10065 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
10066 sections specially even when output_data_ is empty.
10067 (Output_segment::maximum_alignment): When first section is relro,
10068 only force alignment for PT_LOAD segments.
10069 * script.cc (script_data_segment_align): New function.
10070 (script_data_segment_relro_end): New function.
10071 * script-c.h (script_data_segment_align): Declare.
10072 (script_data_segment_relro_end): Declare.
10073 * script-sections.h (class Script_sections): Declare
10074 data_segment_align and data_segment_relro_end. Add fields
10075 segment_align_index_ and saw_relro_end_.
10076 * script-sections.cc (class Sections_element): Add set_is_relro
10077 virtual function. Add new bool* parameter to place_orphan_here.
10078 Add get_output_section virtual function.
10079 (class Output_section_definition): Add set_is_relro. Add new
10080 bool* parameter to place_orphan_here. Add get_output_section.
10081 Add is_relro_ field.
10082 (Output_section_definition::Output_section_definition): Initialize
10083 evaluated_address_, evaluated_load_address, evaluated_addralign_,
10084 and is_relro_ fields.
10085 (Output_section_definition::place_orphan_here): Add is_relro
10086 parameter.
10087 (Output_section_definition::set_section_addresses): Set relro for
10088 output section.
10089 (Output_section_definition::alternate_constraint): Likewise.
10090 (class Orphan_output_section): Add new bool* parameter to
10091 place_orphan_here. Add get_output_section.
10092 (Orphan_output_section::place_orphan_here): Add is_relro
10093 parameter.
10094 (Script_sections::Script_sections): Initialize
10095 data_segment_align_index_ and saw_relro_end_.
10096 (Script_sections::data_segment_align): New function.
10097 (Script_sections::data_segment_relro_end): New function.
10098 (Script_sections::place_orphan): Set or clear is_relro.
10099 (Script_sections::set_section_addresses): Force alignment of first
10100 TLS section.
10101 * yyscript.y (exp): Call script_data_segment_align and
10102 script_data_segment_relro_end.
10103 * testsuite/relro_script_test.t: New file.
10104 * testsuite/relro_test.cc (using_script): Declare.
10105 (t1, t2): Test using_script.
10106 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
10107 (relro_script_test_SOURCES): Define.
10108 (relro_script_test_DEPENDENCIES): Define.
10109 (relro_script_test_LDFLAGS): Define.
10110 (relro_script_test_LDADD): Define.
10111 (relro_script_test.so): New target.
10112 * testsuite/Makefile.in: Rebuild.
10113
f827c9a9
CC		 101142008-08-06 Cary Coutant <ccoutant@google.com>
10115
10116 * archive.cc (Archive::total_archives, Archive::total_members)
10117 (Archive::total_members_loaded): New variables.
10118 (Archive::setup): Add parameter. Add option to preread
10119 archive symbols.
10120 (Archive::read_armap): Add counter.
10121 (Archive::get_file_and_offset): New function.
10122 (Archive::get_elf_object_for_member): New function.
10123 (Archive::read_all_symbols): New function.
10124 (Archive::read_symbols): New function.
10125 (Archive::add_symbols): Add counters.
10126 (Archive::include_all_members): Use armap to find members if it's
10127 already built.
10128 (Archive::include_member): Skip reading symbols if already read.
10129 Factored code into Archive::get_file_and_offset and
10130 Archive::get_elf_object_for_member. Changed call to
10131 Mapfile::report_include_archive_member.
10132 (Archive::print_stats): New function.
10133 * archive.h: Declare Object and Read_symbols_data classes.
10134 (Archive::Archive): Add initializers for new members.
10135 (Archive::setup): Add parameter.
10136 (Archive::print_stats): New function.
10137 (Archive::total_archives, Archive::total_members)
10138 (Archive::total_members_loaded): New variables.
10139 (Archive::get_file_and_offset): New function.
10140 (Archive::get_elf_object_for_member): New function.
10141 (Archive::read_all_symbols): New function.
10142 (Archive::read_symbols): New function.
10143 (Archive::Archive_member): New class.
10144 (Archive::members_): New member.
10145 (Archive::num_members_): New member.
10146 * main.cc: Include archive.h.
10147 (main): Call Archive::print_stats.
10148 * mapfile.cc (Mapfile::report_include_archive_member): Delete
10149 archive parameter; member_name is now the fully-decorated name.
10150 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
10151 * options.h: (General_options): Add --preread-archive-symbols option.
10152 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
10153 Archive::setup.
10154
de4c45bd
ILT		 101552008-08-04 Ian Lance Taylor <iant@google.com>
10156
10157 * symtab.h (Symbol::use_plt_offset): New function.
10158 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
10159 * powerpc.cc (Relocate::relocate): Likewise.
10160 * sparc.cc (Relocate::relocate): Likewise.
10161 * x86_64.cc (Relocate::relocate): Likewise.
10162 * testsuite/weak_plt.sh: New test.
10163 * testsuite/weak_plt_main.cc: New test.
10164 * testsuite/weak_plt_shared.cc: New test.
10165 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
10166 (check_PROGRAMS): Add weak_plt.
10167 (check_DATA): Add weak_plt_shared.so.
10168 (weak_plt_main_pic.o, weak_plt): New targets.
10169 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
10170 * testsuite/Makefile.in: Rebuild.
10171
10172 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
10173 gcctestdir/ld.
10174 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
10175 * testsuite/Makefile.in: Rebuild.
10176
323ee3f4
AM		 101772008-08-04 Alan Modra <amodra@bigpond.net.au>
10178
10179 * Makefile.am (POTFILES.in): Set LC_ALL=C.
10180 * Makefile.in: Regenerate.
10181 * po/POTFILES.in: Regenerate.
10182
7c07ecec
ILT		 101832008-07-29 Ian Lance Taylor <iant@google.com>
10184
10185 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
10186 symbols before other symbols.
10187 * testsuite/script_test_2.cc (test_addr): Declare.
10188 (test_addr_alias): Declare.
10189 (main): Check that test_addr and test_addr_alias have the right
cd536b21 10190 values.
7c07ecec
ILT		 10191 * testsuite/script_test_2.t: Define test_addr_alias and
10192 test_addr.
10193
5778530e
ILT		 101942008-07-24 Ian Lance Taylor <iant@google.com>
10195
2a00e4fb
ILT		 10196 PR 5990
10197 * descriptors.cc: New file.
10198 * descriptors.h: New file.
10199 * gold-threads.h (class Hold_optional_lock): New class.
10200 * fileread.cc: Include "descriptors.h".
10201 (File_read::~File_read): Release descriptor rather than closing
10202 it.
10203 (File_read::open) [file]: Call open_descriptor rather than open.
10204 Set is_descriptor_opened_.
10205 (File_read::open) [memory]: Assert that descriptor is not open.
10206 (File_read::reopen_descriptor): New function.
10207 (File_read::release): Release descriptor.
10208 (File_read::do_read): Make non-const. Reopen descriptor.
10209 (File_read::read): Make non-const.
10210 (File_read::make_view): Reopen descriptor.
10211 (File_read::do_readv): Likewise.
10212 * fileread.h (class File_read): Add is_descriptor_opened_ field.
10213 Update declarations.
10214 * layout.cc: Include "descriptors.h".
10215 (Layout::create_build_id): Use open_descriptor rather than open.
10216 * output.cc: Include "descriptors.h".
10217 (Output_file::open): Use open_descriptor rather than open.
10218 * archive.cc (Archive::const_iterator): Change Archive to be
10219 non-const.
10220 (Archive::begin, Archive::end): Make non-const.
10221 (Archive::count_members): Likewise.
10222 * archive.h (class Archive): Update declarations.
10223 * object.h (Object::read): Make non-const.
10224 * Makefile.am (CCFILES): Add descriptors.cc.
10225 (HFILES): Add descriptors.h.
10226 * Makefile.in: Rebuild.
10227
801647d1
ILT		 10228 PR 6716
10229 * gold.h: Always include <clocale>. Add Solaris workarounds
10230 following code in binutils/sysdep.h.
10231
5edd166e
ILT		 10232 PR 6048
10233 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
10234 this->eh_frame_hdr_ is NULL before using it.
10235
c89ad728
ILT		 10236 * dynobj.cc (Versions::Versions): Update comment.
10237
aa86f06b
ILT		 10238 * dynobj.cc (Versions::Versions): If there is an soname, use it as
10239 the base version name.
10240
5778530e
ILT		 10241 * stringpool.cc (Stringpool_template::add_with_length): Set key to
10242 array size plus one.
10243 (Stringpool_template::set_string_offsets): Subtract one from key
10244 before using it as an array index.
10245 (Stringpool_template::get_offset_with_length): Likewise.
10246 (Stringpool_template::write_to_buffer): Likewise.
10247 * stringpool.h (Stringpool_template::get_offset_from_key):
10248 Likewise.
10249
057ead22
ILT		 102502008-07-23 Ian Lance Taylor <iant@google.com>
10251
7f649c59
ILT		 10252 PR 6658
10253 * object.h (Merged_symbol_value::value): Do our best to handle a
10254 negative addend.
10255
057ead22
ILT		 10256 PR 6647
10257 * script.cc (Version_script_info::get_versions): Don't add empty
10258 version tag to return value.
10259 (Version_script_info::get_symbol_version_helper): Change return
10260 type to bool. Add pversion parameter. Change all callers.
10261 (script_register_vers_node): Don't require a non-NULL tag.
10262 * script.h (class Version_script_info): Update declarations.
10263 (Version_script_info::get_symbol_version): Change return type to
10264 bool. Add version parameter. Change all callers.
10265 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
10266 handling. Handle an empty version from a version script.
10267 (Symbol_table::define_special_symbol): Likewise.
10268 * testsuite/ver_test_10.script: New file.
10269 * testsuite/ver_test_10.sh: New file.
10270 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
10271 (check_DATA): Add ver_test_10.syms.
10272 (ver_test_10.syms, ver_test_10.so): New target.
10273 * testsuite/Makefile.in: Rebuild.
10274
58e54ac2
CD		 102752008-07-23 Simon Baldwin <simonb@google.com>
10276
10277 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
10278 to zero for undefined symbols from dynamic libraries.
10279
95d14cd3
ILT		 102802008-07-23 Ian Lance Taylor <iant@google.com>
10281
10282 * symtab.cc (Symbol_table::resolve): Remove version parameter.
10283 Change all callers.
10284 * symtab.h (class Symbol_table): Update declaration.
10285 * testsuite/ver_test_9.cc: New file.
10286 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
10287 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
10288 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
10289 (ver_test_9.so, ver_test_9.o): New targets.
10290 * testsuite/Makefile.in: Rebuild.
10291
92de84a6
ILT		 102922008-07-22 Ian Lance Taylor <iant@google.com>
10293
34810851
ILT		 10294 * options.h (class General_options): Define --check-sections.
10295 * layout.cc (Layout::set_segment_offsets): Handle
10296 --check-sections.
10297
af6156ef
ILT		 10298 * options.h (class General_options): Define -n/--nmagic and
10299 -N/--omagic.
10300 * options.cc (General_options::finalize): For -n/--nmagic or
10301 -N/--omagic, set -static.
10302 * layout.cc (Layout::attach_allocated_section_to_segment): If
10303 -N/--omagic, don't put read-only and read-write sections in
10304 different segments.
10305 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
10306 finding a read-only segment.
10307 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
10308 don't set the minimum segment alignment to the common page size,
10309 and don't set the file offset to the address modulo the page size.
10310 * script-sections.cc (Script_sections::create_segments): If
10311 -n/--omagic, don't put read-only and read-write sections in
10312 different segments.
10313
92de84a6
ILT		 10314 * cref.cc: New file.
10315 * cref.h: New file.
10316 * options.h (class General_options): Add --print-symbol-counts.
10317 * main.cc (main): Issue defined symbol report if requested.
10318 * archive.cc (Archive::interpret_header): Make into a const member
10319 function.
10320 (Archive::add_symbols): Call Input_objects::archive_start and
10321 archive_stop.
10322 (Archive::const_iterator): Define new class.
10323 (Archive::begin, Archive::end): New functions.
10324 (Archive::include_all_members): Rewrite to use iterator.
10325 (Archive::count_members): New function.
10326 * archive.h (class Archive): Update declarations.
10327 (Archive::filename): New function.
10328 * object.cc: Include "cref.h".
10329 (Sized_relobj::Sized_relobj): Initialize defined_count_.
10330 (Sized_relobj::do_get_global_symbol_counts): New function.
10331 (Input_objects::add_object): Add object to cross-referencer.
10332 (Input_objects::archive_start): New function.
10333 (Input_objects::archive_stop): New function.
10334 (Input_objects::print_symbol_counts): New function.
10335 * object.h: Declare Cref and Archive.
10336 (Object::get_global_symbol_counts): New function.
10337 (Object::do_get_global_symbol_counts): New pure virtual function.
10338 (class Sized_relobj): Add defined_count_ field. Update
10339 declarations.
10340 (class Input_objects): Add cref_ field. Update constructor.
10341 Update declarations.
10342 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
10343 defined_count_.
10344 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
10345 symbol counts.
10346 (Sized_dynobj::do_get_global_symbol_counts): New function.
10347 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
10348 defined_count_. Update declarations. Define Symbols typedef.
10349 * symtab.cc (Symbol_table::add_from_relobj): Add defined
10350 parameter. Change all callers.
10351 (Symbol_table::add_from_dynobj): Add sympointers and defined
10352 parameters. Change all callers.
10353 * symtab.h (class Symbol_table): Update declarations.
10354 * Makefile.am (CCFILES): Add cref.cc.
10355 (HFILES): Add cref.h.
10356 * Makefile.in: Rebuild.
10357
3f7c5e1d
CD		 103582008-07-22 Simon Baldwin <simonb@google.com>
10359
10360 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
10361 to zero when writing undefined symbols.
10362
e0b64032
ILT		 103632008-07-22 Ian Lance Taylor <iant@google.com>
10364
10365 * output.cc (Output_section::add_input_section): Don't try to
10366 merge empty merge sections.
10367
096b02cf
CS		 103682008-07-21 Craig Silverstein <csilvers@google.com>
10369
10370 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
10371 Include symbol version in error message.
cd536b21 10372
1d1f116d
CD		 103732008-07-20 Chris Demetriou <cgd@google.com>
10374
cd536b21 10375 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 10376 (RANDOM_SEED_CFLAGS): New substituted variable.
10377 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
10378 * configure: Rebuild.
10379 * Makefile.in: Likewise.
10380 * testsuite/Makefile.in: Likewise.
10381
a18f591e
ILT		 103822008-07-18 Ian Lance Taylor <iant@google.com>
10383
10384 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
10385 where we see NAME/NULL and NAME/VERSION as separate symbols.
10386 * testsuite/ver_test_main.cc (main): Call t4.
10387 (t4, t4_2a): Define.
10388 * testsuite/ver_test_2.cc (t4_2): Define.
10389 * testsuite/ver_test_2.script: Put t4_2a in VER2.
10390 * testsuite/ver_test_4.cc (t4_2a): Define.
10391 * testsuite/ver_test_4.script: Put t4_2a in VER2.
10392 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
10393
c6e3f6ed
ILT		 103942008-07-17 Ian Lance Taylor <iant@google.com>
10395
10396 * dynobj.cc (Versions::add_def): If we give an error about a
10397 missing version, go ahead and create the version anyhow.
10398
ef9beddf
ILT		 103992008-07-10 Ian Lance Taylor <iant@google.com>
10400
10401 Handle output sections with more than 0x7fffffff bytes.
10402 * object.h (class Relobj): Change map_to_output_ to
10403 output_sections_, and just keep a section pointer. Change all
10404 uses. Move comdat group support to Sized_relobj.
10405 (Relobj::is_section_specially_mapped): Remove.
10406 (Relobj::output_section): Remove poff parameter. Change all
10407 callers.
10408 (Relobj::output_section_offset): New function.
10409 (Relobj::set_section_offset): Rewrite.
10410 (Relobj::map_to_output): Remove.
10411 (Relobj::output_sections): New function.
10412 (Relobj::do_output_section_offset): New pure virtual function.
10413 (Relobj::do_set_section_offset): Likewise.
10414 (class Sized_relobj): Add section_offsets_ field. Add comdat
10415 group support from Relobj. Update declarations.
10416 (Sized_relobj::get_output_section_offset): New function.
10417 (Sized_relobj::do_output_section_offset): New function.
10418 (Sized_relobj::do_set_section_offset): New function.
10419 * object.cc (Relobj::output_section_address): Remove.
10420 (Sized_relobj::Sized_relobj): Initialize new fields.
10421 (Sized_relobj::include_section_group): Cast find_kept_object to
10422 Sized_relobj.
10423 (Sized_relobj::include_linkonce_section): Likewise.
10424 (Sized_relobj::do_layout): Use separate arrays for output section
10425 and output offset.
10426 (Sized_relobj::do_count_local_symbols): Change map_to_output to
10427 output_sections.
10428 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
10429 output_sections and section_offsets.
10430 (Sized_relobj::write_local_symbols): Likewise.
10431 (map_to_kept_section): Compute output address directly.
10432 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
10433 output_sections and section_offsets.
10434 (Sized_relobj::write_sections): Likewise.
10435 (Sized_relobj::relocate_sections): Likewise.
10436 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
10437 * output.h (class Output_reloc): Update declarations. Change
10438 u2_.relobj to Sized_relobj*.
10439 (class Output_data_reloc): Change add functions to use
10440 Sized_relobj*.
10441 * output.cc (Output_reloc::Output_reloc): Change relobj to
10442 Sized_relobj*.
10443 (Output_reloc::local_section_offset): Change return type to
10444 Elf_Addr. Use get_output_section_offset.
10445 (Output_reloc::get_address): Likewise.
10446 (Output_section::is_input_address_mapped): Don't call
10447 is_section_specially_mapped.
10448 (Output_section::output_offset): Likewise.
10449 (Output_section::output_address): Likewise.
10450 (Output_section::starting_output_address): Likewise.
10451 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10452 parameter to Sized_relobj*.
10453 (Copy_relocs::need_copy_reloc): Likewise.
10454 (Copy_relocs::save): Likewise.
10455 * copy-relocs.h (class Copy_relocs): Update declarations.
10456 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10457 Sized_relobj*. Change relobj_ field to Sized_relobj*.
10458 * target-reloc.h (relocate_for_relocatable): Change
10459 offset_in_output_section type to Elf_Addr. Change code that uses
10460 it as well.
10461 * layout.cc (Layout::layout): Always set *off.
10462 * mapfile.cc (Mapfile::print_input_section): Use
10463 output_section_offset.
10464 * i386.cc (Target_i386::copy_reloc): Change object parameter to
10465 Sized_relobj*.
10466 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10467 * sparc.cc (Target_sparc::copy_reloc): Likewise.
10468 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10469
5cb66f97
ILT		 104702008-07-03 Ian Lance Taylor <iant@google.com>
10471
10472 * layout.cc (Layout::include_section): Do not discard unrecognized
10473 SHT_STRTAB sections.
10474
afe47622
CS		 104752008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
10476
10477 * script.cc (Lex::can_continue_name): Make '?' allowable in
10478 version-script names.
10479 * testsuite/version_script.map: Change glob pattern to use '?'
10480
5adf9721
ILT		 104812008-06-30 Manish Singh <yosh@gimp.org>
10482
10483 PR 6585
10484 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10485 Correct typo.
10486
e6fde208
ILT		 104872008-06-30 Ian Lance Taylor <iant@google.com>
10488
10489 PR 6660
10490 PR 6682
10491 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10492 versions]: Don't try to read the value in the contents, since we
10493 don't use it. Use the template endianness when writing.
10494
3f2e6a2d
CC		 104952008-06-25 Cary Coutant <ccoutant@google.com>
10496
10497 * fileread.cc (File_read::make_view): Assert on zero-length view.
10498 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10499 symbol table when there are no symbols to read.
10500
c43d3a48
CS		 105012008-06-23 Craig Silverstein <csilvers@google.com>
10502
10503 * version.cc (version_string): Bump to 1.7
10504
5f494ea0
CS		 105052008-06-18 Craig Silverstein <csilvers@google.com>
10506
10507 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10508 constant 0xFFFF to type Valtype.
10509 (Powerpc_relocate_functions::rel16_ha): Likewise.
10510
c42e122e
ILT		 105112008-06-17 Ian Lance Taylor <iant@google.com>
10512
f34787f8
ILT		 10513 * output.h (Output_section::Input_section): Initialize p2align_ to
10514 zero for Output_section_data constructors.
10515 (Output_section::Input_section::addralign): If not an input
10516 section, return the alignment of the Output_section_data.
10517 * testsuite/copy_test.cc: New file.
10518 * testsuite/copy_test_1.cc: New file.
10519 * testsuite/copy_test_2.cc: New file.
10520 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10521 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10522 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10523 (copy_test_1_pic.o, copy_test_1.so): New targets.
10524 (copy_test_2_pic.o, copy_test_2.so): New targets.
10525 * testsuite/Makefile.in: Rebuild.
10526
c42e122e
ILT		 10527 * script-sections.cc (Script_sections::place_orphan): Initialize
10528 local variable exact.
10529
ce3ac18a
DE		 105302008-06-13 David Edelsohn <edelsohn@gnu.org>
10531
10532 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10533
42cacb20
DE		 105342008-06-12 David Edelsohn <edelsohn@gnu.org>
10535 David S. Miller <davem@davemloft.net>
10536
10537 * powerpc.cc: New file.
10538 * Makefile.am (TARGETSOURCES): Add powerpc.cc
10539 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10540 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10541 * Makefile.in: Rebuild.
10542
7b308235
ILT		 105432008-06-09 Ian Lance Taylor <iant@google.com>
10544
10545 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10546 <exception>.
10547 (throwing, orig_terminate): New static variables.
10548 (terminate_handler): New static function.
10549 (t2): Set terminate handler.
10550
f0b886e3
ILT		 105512008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
10552
10553 PR 6584
cd536b21 10554 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 10555 alignment.
10556
3e90f135
CC		 105572008-05-30 Cary Coutant <ccoutant@google.com>
10558
10559 * archive.cc (Archive::include_all_members) Correct to step
10560 over symbol table and extended name table in thin archives.
10561
e09ad04a
ILT		 105622008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
10563
10564 PR 6407
10565 * target-reloc.h (relocate_for_relocatable): Fix new_offset
10566 calculation.
10567
62b01cb5
ILT		 105682008-05-28 Caleb Howe <cshowe@google.com>
10569
10570 * reduced_debug_output.cc: New file.
10571 * reduced_debug_output.h: New file.
92de84a6 10572 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 10573 * options.cc (General_options::finalize): Add strip_debug_non_line
10574 to the strip heirarchy.
10575 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10576 fields.
10577 * layout.cc: Include "reduced_debug_output.h".
10578 (Layout::Layout): Initialize new fields.
10579 (line_only_debug_sections): New static array.
10580 (is_lines_only_debug_sections): New static inline function.
10581 (Layout::include_section): Handle --strip-debug-non-line.
10582 (Layout::make_output_section): If --strip-debug-non-line, build
10583 new output sections for .debug_abbrev and .debug_info.
10584 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10585 gold. Warn about possible overflow.
10586 (read_signed_LEB_128): Likewise.
10587 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10588 (read_signed_LEB_128): Declare.
10589 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10590 (HFILES): Add reduced_debug_output.h.
10591 * Makefile.in: Rebuild.
10592
7d9e3d98
ILT		 105932008-05-21 Ian Lance Taylor <iant@google.com>
10594
10595 * mapfile.cc: New file.
10596 * mapfile.h: New file.
10597 * options.h (class General_options): Add -M/--print-map and -Map.
10598 * options.cc (General_options::finalize): Make -M equivalent to
10599 -Map -.
10600 * main.cc: Include <cstdio> and "mapfile.h".
10601 (main): Open mapfile if requested.
10602 * gold.cc (class Middle_runner): Add mapfile_ field. Update
10603 constructor. Change caller.
10604 (queue_initial_tasks): Add mapfile parameter. Change caller.
10605 (queue_middle_tasks): Likewise.
10606 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10607 declarations.
10608 * archive.cc: Include "mapfile.h".
10609 (Archive::add_symbols): Add mapfile parameter. Change all
10610 callers. Pass mapfile, symbol, and reason to include_member.
10611 (Archive::include_all_members): Add mapfile parameter. Change all
10612 callers.
10613 (Archive::include_member): Add mapfile, sym, and why parameters.
10614 Change all callers. Report inclusion to map file.
10615 * archive.h: Include "fileread.h".
10616 (class Archive): Update declarations.
10617 (Archive::file): New const method.
10618 (class Add_archive_symbols): Add mapfile_ field. Update
10619 constructor. Change all callers.
10620 * readsyms.h (class Read_symbols): Likewise.
10621 (class Finish_group): Likewise.
10622 (class Read_script): Likewise.
10623 * common.cc: Include "mapfile.h".
10624 (Symbol_table::allocate_commons): Add mapfile parameter. Change
10625 all callers.
10626 (Symbol_table::do_allocate_commons): Likewise.
10627 (Symbol_table::do_allocate_commons_list): Likewise. Report common
10628 symbol allocation to mapfile.
10629 * common.h (class Allocate_commons_task): Add mapfile_ field.
10630 Update constructor. Change all callers.
10631 * symtab.h (class Symbol_table): Update declarations.
10632 * layout.cc: Include "mapfile.h".
10633 (Layout_task_runner::run): Print information to mapfile.
10634 (Layout::create_gold_note): Change Output_data_fixed_space to
10635 Output_data_zero_fill.
10636 (Layout::create_build_id): Likewise.
10637 (Layout::print_to_mapfile): New function.
10638 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
10639 constructor. Change caller.
10640 (class Layout): Declare print_to_mapfile.
10641 * output.cc (Output_section::Input_section::print_to_mapfile): New
10642 function.
10643 (Output_section::add_input_section): If producing a map, always
10644 add to input_sections_ list.
10645 (Output_section::do_print_to_mapfile): New function.
10646 (Output_segment::print_sections_to_mapfile): New function.
10647 (Output_segment::print_section_list_to_mapfile): New function.
10648 * output.h: Include "mapfile.h".
10649 (Output_data::print_to_mapfile): New function.
10650 (Output_data::do_print_to_mapfile): New virtual function.
10651 (Output_segment_headers::do_print_to_mapfile): New function.
10652 (Output_file_header::do_print_to_mapfile): New function.
10653 (Output_data_const::do_print_to_mapfile): New function.
10654 (class Output_data_const_buffer): Add map_name_ field. Update
10655 constructor. Change all callers. Add do_print_to_mapfile
10656 function.
10657 (class Output_data_fixed_space): Likewise.
10658 (class Output_data_space): Likewise.
10659 (class Output_data_zero_fill): New class.
10660 (Output_data_strtab::do_print_to_mapfile): New function.
10661 (Output_data_reloc_base::do_print_to_mapfile): New function.
10662 (Output_relocatable_relocs::do_print_to_mapfile): New function.
10663 (Output_data_group::do_print_to_mapfile): New function.
10664 (Output_data_got::do_print_to_mapfile): New function.
10665 (Output_data_dynamic::do_print_to_mapfile): New function.
10666 (Output_symtab_xindex::do_print_to_mapfile): New function.
10667 (class Output_section): Declare do_print_to_mapflie. Declare
10668 print_to_mapfile in Input_section.
10669 (class Output_segment): Declare new functions.
10670 * object.h (Sized_relobj::symbol_count): New function.
10671 * script-sections.cc
10672 (Output_section_element_dot_assignment::set_section_addresses):
10673 Change Output_data_fixed_space to Output_data_zero_fill.
10674 (Output_data_expression::do_print_to_mapfile): New function.
10675 * script.cc (read_input_script): Add mapfile parameter. Change
10676 all callers.
10677 * script.h (read_input_script): Update declaration.
10678 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10679 (Eh_frame::do_print_to_mapfile): New function.
10680 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10681 (Output_merge_string::do_print_to_mapfile): New function.
10682 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10683 function.
10684 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10685 function.
10686 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10687 function.
10688 * Makefile.am (CCFILES): Add mapfile.cc.
10689 (HFILES): Add mapfile.h.
10690 * Makefile.in: Rebuild.
10691
9f1d377b
ILT		 106922008-05-19 Ian Lance Taylor <iant@google.com>
10693
10694 * options.h (class General_options): Add -z relro.
10695 * layout.cc (Layout::Layout): Initialize relro_segment_.
10696 (Layout::add_output_section_data): Return the output section.
10697 (Layout::make_output_section): Rcognize relro sections and mark
10698 them appropriately.
10699 (Layout::attach_allocated_section_to_segment): Put relro sections
10700 in a PT_GNU_RELRO segment.
10701 (Layout::create_initial_dynamic_sections): Mark the .dynamic
10702 section as relro.
10703 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10704 PT_TLS segments.
10705 (Layout::linkonce_mapping): Map d.rel.ro.local to
10706 .data.rel.ro.local.
10707 (Layout::output_section_name): Us .data.rel.ro.local for any
10708 section which begins with that.
10709 * layout.h (class Layout): Update add_output_section_data
10710 declaration. Add relro_segment_ field.
10711 * output.cc (Output_section::Output_section): Initialize is_relro_
10712 and is_relro_local_ fields.
10713 (Output_segment::add_output_section): Group relro sections.
10714 (Output_segment::is_first_section_relro): New function.
10715 (Output_segment::maximum_alignment): If there is a relro section,
10716 align the segment to the common page size.
10717 (Output_segment::set_section_addresses): Track whether we are
10718 looking at relro sections. If the last section is a relro
10719 section, align to the common page size.
10720 (Output_segment::set_section_list_addresses): Add in_relro
10721 parameter. Change all callers. Align to the page size when
10722 moving from relro to non-relro section.
10723 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10724 segment.
10725 * output.h (class Output_section): Add is_relro_ and
10726 is_relro_local_ fields.
10727 (Output_section::is_relro): New function.
10728 (Output_section::set_is_relro): New function.
10729 (Output_section::is_relro_local): New function.
10730 (Output_section::set_is_relro_local): New function.
10731 (class Output_segment): Update declarations.
10732 * i386.cc (Target_i386::got_section): Mark .got section as relro.
10733 * sparc.cc (Target_sparc::got_section): Likewise.
10734 * x86_64.cc (Target_x86_64::got_section): Likewise.
10735 * testsuite/relro_test_main.cc: New file.
10736 * testsuite/relro_test.cc: New file.
10737 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10738 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10739 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10740 (relro_test.so, relro_test_pic.o): New targets.
10741 * testsuite/Makefile.in: Rebuild.
10742
a984ee1d
ILT		 107432008-05-16 Ian Lance Taylor <iant@google.com>
10744
01676dcd
ILT		 10745 * output.cc (Output_segment::add_output_section): Remove front
10746 parameter.
10747 * output.h (class Output_segment): Remove
10748 add_initial_output_section and overloaded add_output_section.
10749 Update declaration of remaining add_output_section.
10750 * layout.cc (Layout::create_interp): Call add_output_section
10751 rather than add_initial_output_section.
10752 (Layout::finish_dynamic_section): Likewise.
10753
497897f9
ILT		 10754 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10755 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
10756 know the dynamic type.
10757 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10758 field. Initialize it in constructor.
10759 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10760 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10761 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10762 reloc.
10763
a984ee1d
ILT		 10764 * output.cc (Output_reloc::get_address): Change return type to
10765 Elf_Addr.
10766 * output.h (class Output_reloc): Update get_address declaration.
10767 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10768 for section addresses.
10769
55ba0940
ILT		 107702008-05-09 Ian Lance Taylor <iant@google.com>
10771
10772 PR 6493
10773 * gold.cc (gold_nomem): Use return value of write.
10774
75517b77
ILT		 107752008-05-08 Ian Lance Taylor <iant@google.com>
10776
10777 * symtab.c (Symbol::init_base_output_data): Add version
10778 parameter. Change all callers.
10779 (Symbol::init_base_output_segment): Likewise.
10780 (Symbol::init_base_constant): Likewise.
10781 (Symbol::init_base_undefined): Likewise.
10782 (Sized_symbol::init_output_data): Likewise.
10783 (Sized_symbol::init_output_segment): Likewise.
10784 (Sized_symbol::init_constant): Likewise.
10785 (Sized_symbol::init_undefined): Likewise.
10786 (Symbol_table::do_define_in_output_data): If the new symbol has a
10787 version, mark it as the default.
10788 (Symbol_table::do_define_in_output_segment): Likewise.
10789 (Symbol_table::do_define_as_constant): Likewise.
10790 * symtab.h (class Symbol): Update declarations.
10791 (class Sized_symbol): Likewise.
10792 * resolve.cc (Symbol::override_version): New function.
c42e122e 10793 (Symbol::override_base): Call override_version.
75517b77
ILT		 10794 (Symbol::override_base_with_special): Likewise.
10795 * testsuite/ver_script_8.script: New file.
10796 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10797 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10798 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10799 (ver_test_8_1.so, ver_test_8_2.so): New targets.
10800
f1f70eae
ILT		 108012008-05-06 Ian Lance Taylor <iant@google.com>
10802
f3e9c5c5
ILT		 10803 PR 6049
10804 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10805 functions.
10806 (class General_options): Remove existing --undefined, and add
10807 --no-undefined instead. Add new --undefined as synonym for -u.
10808 * archive.cc (Archive::add_symbols): Check whether symbol was
10809 named with -u.
10810 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10811 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10812 all uses. Add IS_UNDEFINED. Update declarations to split
10813 different versions of init_base. Declare init_base_undefined.
10814 (Symbol::is_defined): Handle IS_UNDEFINED.
10815 (Symbol::is_undefined): Likewise.
10816 (Symbol::is_weak_undefined): Call is_undefined.
10817 (Symbol::is_absolute): Handle IS_CONSTANT.
10818 (class Sized_symbol): Update declarations to split different
10819 versions of init. Declare init_undefined.
10820 (class Symbol_table): Declare new functions.
10821 * symtab.cc (Symbol::init_base_object): Rename from init_base.
10822 Change all callers.
10823 (Symbol::init_base_output_data): Likewise.
10824 (Symbol::init_base_output_segment): Likewise.
10825 (Symbol::init_base_constant): Likewise.
10826 (Symbol::init_base_undefined): New function.
10827 (Sized_symbol::init_object): Rename from init. Change all
10828 callers.
10829 (Sized_symbol::init_output_data): Likewise.
10830 (Sized_symbol::init_output_segment): Likewise.
10831 (Sized_symbol::init_constant): Likewise.
10832 (Sized_symbol::init_undefined): New function.
10833 (Symbol_table::add_undefined_symbols_from_command_line): New
10834 function.
10835 (Symbol_table::do_add_undefined_symbols_from_command_line): New
10836 function.
10837 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10838 (Symbol::output_section): Likewise.
10839 (Symbol::set_output_section): Likewise.
10840 (Symbol_table::sized_finalize_symbol): Likewise.
10841 (Symbol_table::sized_write_globals): Likewise.
10842 * resolve.cc (Symbol_table::should_override): Likewise.
10843 (Symbol::override_base_with_special): Likewise.
10844
8bdcdf2c
ILT		 10845 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10846 symbol, change it to have default visibility.
10847 * testsuite/protected_1.cc: New file.
10848 * testsuite/protected_2.cc: New file.
10849 * testsuite/protected_3.cc: New file.
10850 * testsuite/protected_main_1.cc: New file.
10851 * testsuite/protected_main_2.cc: New file.
10852 * testsuite/protected_main_3.cc: New file.
10853 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10854 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10855 (protected_1_LDFLAGS, protected_1_LDADD): Define.
10856 (protected_1.so): New target.
10857 (protected_1_pic.o, protected_2_pic.o): New targets.
10858 (protected_3_pic.o): New target.
10859 (check_PROGRAMS): Add protected_2.
10860 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10861 (protected_2_LDFLAGS, protected_2_LDADD): Define.
10862 * testsuite/Makefile.in: Rebuild.
10863
2b706932
ILT		 10864 * options.h (DEFINE_var): Add set_user_set_##varname__.
10865 (DEFINE_bool_alias): New macro.
10866 (class General_options): Define -Bstatic using DEFINE_bool_alias
10867 rather than DEFINE_special. Add --undefined as an alias for -z
10868 defs.
10869 * options.cc (General_options::parse_Bstatic): Remove.
10870
d82a5bcc
ILT		 10871 * options.h (class General_options): Add --fatal-warnings.
10872 * main.cc (main): Implement --fatal-warnings.
10873 * errors.h (Errors::warning_count): New function.
10874
f1f70eae
ILT		 10875 * options.h (class General_options): Add -Bsymbolic-functions.
10876 * symtab.h (Symbol::is_preemptible): Check for
10877 -Bsymbolic-functions.
10878
8825ac63
ILT		 108792008-05-05 Ian Lance Taylor <iant@google.com>
10880
d98bc257
ILT		 10881 * options.h (DEFINE_bool): For DASH_Z, create the negative option
10882 as noVARNAME rather than no-VARNAME.
10883 (class General_options): Add option -z combreloc.
10884 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10885 get_address.
10886 (Output_reloc::sort_before) [SHT_REL]: New function.
10887 (Output_reloc::sort_before) [SHT_RELA]: New function.
10888 (class Output_data_reloc_base): Add sort_relocs_ field. Define
10889 Sort_relocs_comparison.
10890 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10891 parameter. Change all callers.
10892 (Output_data_reloc::Output_data_reloc) [both versions]: Add
10893 sort_relocs parameter. Change all callers.
10894 * output.cc (Output_reloc::get_address): New function, broken out
10895 of write_rel.
10896 (Output_reloc::write_rel): Call it.
10897 (Output_reloc::compare): New function.
10898 (Output_data_reloc_base::do_write): Optionally sort relocs.
10899
60b2b4e7
ILT		 10900 * configure.ac: If targ_extra_obj is set, link it in.
10901 * configure.tgt: Initialize all variables.
10902 (x86_64*): Set targ_extra_obj and targ_extra_size.
10903 * configure: Rebuild.
10904
8825ac63
ILT		 10905 * object.cc (Sized_relobj::include_section_group): Adjust section
10906 indexes read from group data. Build vector to pass to
10907 layout_group.
10908 * layout.cc (Layout::layout_group): Add flags and shndxes
10909 parameters. Remove contents parameter. Change caller. Update
10910 explicit instantiations.
10911 * layout.h (class Layout): Update layout_group declaration.
10912 * output.cc (Output_data_group::Output_data_group): Add flags and
10913 input_shndxes parameters. Remove contents parameter. Change
10914 caller.
10915 (Output_data_group::do_write): Change input_sections_ to
10916 input_shndxes_.
10917 * output.h (class Output_data_group): Update constructor
10918 declaration. Rename input_sections_ to input_shndxes_.
10919 * testsuite/many_sections_test.cc: Add template.
10920
e94cf127
CC		 109212008-04-30 Cary Coutant <ccoutant@google.com>
10922
4418b2d5
CC		 10923 * target-reloc.h (relocate_section): Fix dead-pointer bug.
10924
e94cf127
CC		 10925 * layout.cc (Layout::include_section): Refactored check for debug
10926 info section.
10927 (Layout::add_comdat): Add new parameters. Change type
10928 of signature parameter. Add object and shndx to signatures table.
10929 (Layout::find_kept_object): New function.
10930 * layout.h: Include <cstring>.
10931 (Layout::is_debug_info_section): New function.
10932 (Layout::add_comdat): Add new parameters.
10933 (Layout::find_kept_object): New function.
10934 (Layout::Kept_section): New struct.
10935 (Layout::Signatures): Change type of map range.
10936 * object.cc (Relobj::output_section_address): New function.
10937 (Sized_relobj::include_section_group): Add new parameters. Change
10938 calls to Layout::add_comdat. Change to build table of kept comdat
10939 groups and table mapping discarded sections to kept sections.
10940 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
10941 (Sized_relobj::do_layout): Change calls to include_section_group and
10942 include_linkonce_section.
10943 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10944 value to zero when section is discarded.
10945 (Sized_relobj::map_to_kept_section): New function.
10946 * object.h (Relobj::output_section_address): New function.
10947 (Relobj::Comdat_group): New type.
10948 (Relobj::find_comdat_group): New function.
10949 (Relobj::Comdat_group_table): New type.
10950 (Relobj::Kept_comdat_section): New type.
10951 (Relobj::Kept_comdat_section_table): New type.
10952 (Relobj::add_comdat_group): New function.
10953 (Relobj::set_kept_comdat_section): New function.
10954 (Relobj::get_kept_comdat_section): New function.
10955 (Relobj::comdat_groups_): New field.
10956 (Relobj::kept_comdat_sections_): New field.
10957 (Symbol_value::input_value): Update comment.
10958 (Sized_relobj::map_to_kept_section) New function.
10959 (Sized_relobj::include_linkonce_section): Add new parameter.
10960 * target-reloc.h (Comdat_behavior): New type.
10961 (get_comdat_behavior): New function.
10962 (relocate_section): Add code to map a discarded section to the
10963 corresponding kept section when applying a relocation.
10964
e4e5049b
CS		 109652008-04-30 Craig Silverstein <csilvers@google.com>
10966
10967 * dwarf_reader.cc (next_generation_count): New static var.
10968 (Addr2line_cache_entry): New struct.
10969 (addr2line_cache): New static var.
10970 (Dwarf_line_info::one_addr2line): Added caching.
10971 (Dwarf_line_info::clear_addr2line_cache): New function.
10972 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10973 cache-size parameter.
10974 (Dwarf_line_info::one_addr2line_cache): New function.
10975 * symtab.cc (Symbol_table::detect_odr_violations): Pass
10976 new cache-size argument to one_addr2line(), and clear cache.
10977
d09e9154
CC		 109782008-04-28 Cary Coutant <ccoutant@google.com>
10979
10980 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10981 R_386_PC8 relocations.
10982
7ef73768
ILT		 109832008-04-23 Ian Lance Taylor <iant@google.com>
10984
55438702
ILT		 10985 * object.cc (Sized_relobj::include_section_group): Check for
10986 invalid section group.
10987
c165fb93
ILT		 10988 * object.cc (make_elf_object): Correct test for 64-bit ELF file
10989 header size.
10990
7ef73768
ILT		 10991 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10992 than read for file header.
10993 * archive.cc (Archive::include_member): Likewise.
10994
6194aaab
L		 109952008-04-23 Paolo Bonzini <bonzini@gnu.org>
10996
10997 * aclocal.m4: Regenerate.
10998 * configure: Regenerate.
10999
d491d34e
ILT		 110002008-04-19 Ian Lance Taylor <iant@google.com>
11001
5ea2bac6
ILT		 11002 * version.cc (version_string): Bump to 1.6.
11003
7bc3e21a
ILT		 11004 * testsuite/Makefile.am (many_sections_r_test): New target.
11005 (many_sections_r_test_SOURCES): Remove.
11006 (many_sections_r_test_DEPENDENCIES): Remove.
11007 (many_sections_r_test_LDFLAGS): Remove.
11008 (many_sections_r_test_LDADD): Remove.
11009
7fcd3aa9
ILT		 11010 * object.cc (Sized_relobj::do_add_symbols): Always pass
11011 local_symbol_count_ to add_from_relobj.
11012
4c94d6ae
ILT		 11013 * testsuite/Makefile.am (many_sections_check.h): Only check one in
11014 every thousand variables.
11015 * testsuite/Makefile.in: Rebuild.
11016
d491d34e
ILT		 11017 * object.cc (Xindex::initialize_symtab_xindex): New function.
11018 (Xindex::read_symtab_xindex): New function.
11019 (Xindex::sym_xindex_to_shndx): New function.
11020 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
11021 available.
11022 (Sized_relobj::do_initialize_xindex): New function.
11023 (Sized_relobj::do_read_symbols): Adjust section links.
11024 (Sized_relobj::symbol_section_and_value): Add is_ordinary
11025 parameter. Change all callers.
11026 (Sized_relobj::include_section_group): Adjust section links and
11027 symbol section indexes.
11028 (Sized_relobj::do_layout): Adjust section links.
11029 (Sized_relobj::do_count_local_symbols): Adjust section links and
11030 symbol section indexes.
11031 (Sized_relobj::do_finalize_local_symbols): Distinguish between
11032 ordinary and special symbols.
11033 (Sized_relobj::write_local_symbols): Add symtab_xindex and
11034 dynsym_xindex parameters. Change all callers. Adjust section
11035 links. Use SHN_XINDEX when needed.
11036 (Sized_relobj::get_symbol_location_info): Adjust section links.
11037 Don't get fooled by special symbols.
11038 * object.h (class Xindex): Define.
11039 (class Object): Add xindex_ parameter. Declare virtual functoin
11040 do_initialize_xindex.
11041 (Object::adjust_sym_shndx): New function.
11042 (Object::set_xindex): New protected function.
11043 (class Symbol_value): Add is_ordinary_shndx_ field.
11044 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
11045 (Symbol_value::value): Assert ordinary section.
11046 (Symbol_value::initialize_input_to_output_map): Likewise.
11047 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
11048 Change all callers.
11049 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
11050 all callers.
11051 (class Sized_relobj): Update declarations.
11052 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
11053 parameter. Change all callers.
11054 (Sized_relobj::adjust_shndx): New function.
11055 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
11056 field.
11057 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
11058 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
11059 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
11060 (Sized_dynobj::read_dynsym_section): Adjust section links.
11061 (Sized_dynobj::read_dynamic): Likewise.
11062 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
11063 section links.
11064 (Sized_dynobj::do_initialize_xindex): New function.
11065 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
11066 do_initialize_xindex.
11067 (Sized_dynobj::adjust_shndx): New function.
11068 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
11069 dynsym_xindex_ fields.
11070 (Layout::finalize): Add a call to set_section_indexes before
11071 creating the symtab sections.
11072 (Layout::set_section_indexes): Don't do anything if the section
11073 already has a section index.
11074 (Layout::create_symtab_sections): Add shnum parameter. Change
11075 caller. Create .symtab_shndx section if needed.
11076 (Layout::create_shdrs): Add shstrtab_section parameter. Change
11077 caller.
11078 (Layout::allocated_output_section_count): New function.
11079 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
11080 needed.
11081 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
11082 fields. Update declarations.
11083 (Layout::symtab_xindex): New function.
11084 (Layout::dynsym_xindex): New function.
11085 (class Write_symbols_task): Add layout_ field.
11086 (Write_symbols_task::Write_symbols_task): Add layout parameter.
11087 Change caller.
11088 * output.cc (Output_section_headers::Output_section_headers): Add
11089 shstrtab_section parameter. Change all callers.
11090 (Output_section_headers::do_sized_write): Store overflow values
11091 for section count and section string table section index in
11092 section header zero.
11093 (Output_file_header::do_sized_write): Check for overflow of
11094 section count and section string table section index.
11095 (Output_symtab_xindex::do_write): New function.
11096 (Output_symtab_xindex::endian_do_write): New function.
11097 * output.h (class Output_section_headers): Add shstrtab_section_.
11098 Update declarations.
11099 (class Output_symtab_xindex): Define.
11100 (Output_section::has_out_shndx): New function.
11101 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
11102 field.
11103 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
11104 Change all callers.
11105 (Sized_symbol::init): Likewise.
11106 (Symbol::output_section): Check for ordinary symbol.
11107 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
11108 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
11109 callers.
11110 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
11111 Change all callers. Simplify handling of symbols from sections
11112 not included in the link.
11113 (Symbol_table::add_from_dynobj): Handle ordinary symbol
11114 distinction.
11115 (Weak_alias_sorter::operator()): Assert that symbols are
11116 ordinary.
11117 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
11118 distinction.
11119 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
11120 parameters. Change all callers.
11121 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
11122 symbol distinction. Use SHN_XINDEX when needed.
11123 (Symbol_table::write_section_symbol): Add symtab_xindex
11124 parameter. Change all callers.
11125 (Symbol_table::sized_write_section_symbol): Likewise. Use
11126 SHN_XINDEX when needed.
11127 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
11128 declarations.
11129 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
11130 (Symbol::is_defined): Check is_ordinary.
11131 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
11132 (Symbol::is_absolute, Symbol::is_common): Likewise.
11133 (class Sized_symbol): Update declarations.
11134 (class Symbol_table): Update declarations.
11135 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
11136 parameters. Change all callers.
11137 (Sized_symbol::override): Likewise.
11138 (Symbol_table::override): Likewise.
11139 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
11140 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
11141 is_ordinary, and orig_st_shndx parameters. Change all callers.
11142 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
11143 to be in an ordinary section.
11144 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
11145 object and is_ordinary parameters. Change all callers.
11146 (Sized_dwarf_line_info::read_relocs): Add object parameter.
11147 Change all callers. Don't add undefined or non-ordinary symbols
11148 to reloc_map_.
11149 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
11150 Change all callers.
11151 * dwarf_reader.h (class Sized_dwarf_line_info): Update
11152 declarations.
11153 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
11154 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
11155 (Sized_relobj::relocate_sections): Likewise.
11156 * target-reloc.h (scan_relocs): Adjust section symbol index.
11157 (scan_relocatable_relocs): Likewise.
11158 * i386.cc (Scan::local): Check for ordinary symbols.
11159 * sparc.cc (Scan::local): Likewise.
11160 * x86_64.cc (Scan::local): Likewise.
11161 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
11162 to symbol_section_and_value.
11163 * testsuite/many_sections_test.cc: New file.
11164 * testsuite/Makefile.am (BUILT_SOURCES): Define.
11165 (check_PROGRAMS): Add many_sections_test.
11166 (many_sections_test_SOURCES): Define.
11167 (many_sections_test_DEPENDENCIES): Define.
11168 (many_sections_test_LDFLAGS): Define.
11169 (BUILT_SOURCES): Add many_sections_define.h.
11170 (many_sections_define.h): New target.
11171 (BUILT_SOURCES): Add many_sections_check.h.
11172 (many_sections_check.h): New target.
11173 (check_PROGRAMS): Add many_sections_r_test.
11174 (many_sections_r_test_SOURCES): Define.
11175 (many_sections_r_test_DEPENDENCIES): Define.
11176 (many_sections_r_test_LDFLAGS): Define.
11177 (many_sections_r_test_LDADD): Define.
11178 (many_sections_r_test.o): New target.
11179 * testsuite/Makefile.in: Rebuild.
11180
c5818ff1
CC		 111812008-04-17 Cary Coutant <ccoutant@google.com>
11182
11183 * errors.cc (Errors::info): New function.
11184 (gold_info): New function.
11185 * errors.h (Errors::info): New function.
11186 * gold.h (gold_info): New function.
11187 * object.cc (Input_objects::add_object): Print trace output.
11188 * options.cc (options::parse_set): New function.
11189 (General_options::parse_wrap): Deleted.
11190 (General_options::General_options): Deleted initializer.
11191 * options.h (options::String_set): New typedef.
11192 (options::parse_set): New function.
11193 (DEFINE_set): New macro.
11194 (General_options::wrap): Changed to use DEFINE_set. Changed
11195 callers of any_wrap_symbols and is_wrap_symbol.
11196 (General_options::trace, General_options::trace_symbol):
11197 New options.
11198 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
11199 (General_options::wrap_symbols_): Deleted.
11200 * symtab.cc (Symbol_table::add_from_object): Print trace output.
11201
b5be4a7c
DM		 112022008-04-17 David S. Miller <davem@davemloft.net>
11203
11204 * options.cc (General_options::parse_V): New function.
11205 * options.h: Add entries for -V and -Qy.
11206
155a0dd7
ILT		 112072008-04-17 Ian Lance Taylor <iant@google.com>
11208
11209 * common.cc (Symbol_table::allocate_commons): Remove options
11210 parameter. Change caller.
11211 (Symbol_table::do_allocate_commons): Remove options parameter.
11212 Change caller. Just call do_allocate_commons_list twice.
11213 (Symbol_table::do_allocate_commons_list): New function, broken out
11214 of do_allocate_commons.
11215 * common.h (class Allocate_commons_task): Remove options_ field.
11216 Update constructor.
11217 * symtab.cc (Symbol_table::Symbol_table): Initialize
11218 tls_commons_.
11219 (Symbol_table::add_from_object): Put TLS common symbols on
11220 tls_commons_ list.
11221 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
11222 which are IN_OUTPUT_DATA.
11223 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
11224 allocate_commons and do_allocate_commons declarations. Declare
11225 do_allocate_commons_list.
11226 * gold.cc (queue_middle_tasks): Update creation of
11227 Allocate_commons_task to not pass options.
11228 * testsuite/Makefile.am (INCLUDES): Add -I.. .
11229 (TLS_TEST_C_FLAGS): New variable.
11230 (tls_test_c_pic.o): New target.
11231 (tls_test_shared.so): Link in tls_test_c_pic.o.
11232 (tls_test_c_pic_ie.o): New target.
11233 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
11234 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
11235 (tls_test_c.o): New target.
11236 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
11237 (tls_pic_test_LDADD): Likewise.
11238 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
11239 (tls_shared_gd_to_ie_test_LDADD): Likewise.
11240 (tls_test_c_gnu2.o): New target.
11241 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
11242 tls_test_c_gnu2.o.
11243 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
11244 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
11245 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
11246 * testsuite/tls_test.cc: Include "config.h".
11247 (t_last): Call t11_last.
11248 * testsuite/tls_test.h (t11, t11_last): Declare.
11249 * testsuite/tls_test_c.c: New file.
11250 * testsuite/tls_test_main.cc (thread_routine): Call t11.
11251 * configure.ac: Check for OpenMP support.
11252 * configure, config.in, Makefile.in: Rebuild.
11253 * testsuite/Makefile.in: Rebuild.
11254
edfbb029
CC		 112552008-04-16 Cary Coutant <ccoutant@google.com>
11256
11257 * i386.cc (Target_i386::define_tls_base_symbol): New function.
11258 (Target_i386::tls_base_symbol_defined_): New field.
11259 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11260 (Target_i386::Scan::global): Likewise.
11261 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
11262 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
11263 (Target_x86_64::tls_base_symbol_defined_): New field.
11264 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
11265 (Target_x86_64::Scan::global): Likewise.
11266
f3c69fca
CC		 112672008-04-16 Cary Coutant <ccoutant@google.com>
11268
11269 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
11270 (Symbol::needs_plt_entry): Allow weak undefined symbols.
11271 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
11272 building shared libraries.
11273 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
11274 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
11275 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
11276 * testsuite/Makefile.in: Rebuild.
11277 * testsuite/weak_undef.h: New file.
11278 * testsuite/weak_undef_file1.cc: Add extra test cases.
11279 * testsuite/weak_undef_file2.cc: Likewise.
11280 * testsuite/weak_undef_test.cc: Likewise.
11281
7c414435
DM		 112822008-04-16 David S. Miller <davem@davemloft.net>
11283
32b769e1
DM		 11284 * sparc.cc (Target_sparc::Scan): Change from struct to class.
11285 Add issued_non_pic_error_ field. Declare check_non_pic.
11286 (Target_sparc::Scan::check_non_pic): New function.
11287 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
11288 (Target_sparc::Scan::global): Likewise.
11289
11936fb1
DM		 11290 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
11291 * configure: Rebuild.
11292
7c414435
DM		 11293 * options.h (DEFINE_enable): New macro.
11294 (new_dtags): New enable option.
11295 (initfirst, interpose, loadfltr, nodefaultlib,
11296 nodelete, nodlopen, nodump): New -z options.
11297 * layout.cc (Layout:finish_dynamic_section): If new
11298 dtags enabled, emit DT_RUNPATH. Also, emit a
11299 DT_FLAGS_1 containing any specified -z flags.
11300
85c7bf8b
ILT		 113012008-04-16 Ian Lance Taylor <iant@google.com>
11302
12c0daef
ILT		 11303 * copy-relocs.cc: New file.
11304 * copy-relocs.h: New file.
11305 * reloc.cc: Remove Copy_relocs code.
11306 * reloc.h: Likewise.
11307 * reloc-types.h (struct Reloc_types) [both versions]: Add
11308 get_reloc_addend_noerror.
11309 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
11310 variants of add_global which take an addend which must be zero.
11311 * i386.cc: Include "copy-relocs.h".
11312 (class Target_i386): Change type of copy_relocs_ to variable,
11313 update initializer.
11314 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
11315 Change all callers.
11316 (Target_i386::do_finalize_sections): Change handling of
11317 copy_relocs_.
11318 * sparc.cc: Include "copy-relocs.h".
11319 (class Target_sparc): Change type of copy_relocs_ to variable,
11320 update initializer.
11321 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
11322 Change all callers.
11323 (Target_sparc::do_finalize_sections): Change handling of
11324 copy_relocs_.
11325 * x86_64.cc: Include "copy-relocs.h".
11326 (class Target_x86_64): Change type of copy_relocs_ to variable,
11327 update initializer.
11328 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
11329 class. Change all callers.
11330 (Target_x86_64::do_finalize_sections): Change handling of
11331 copy_relocs_.
11332 * Makefile.am (CCFILES): Add copy-relocs.cc.
11333 (HFILES): Add copy-relocs.h.
11334
4f4995b6
ILT		 11335 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
11336
85c7bf8b
ILT		 11337 * testsuite/script_test_4.sh: Permit leading zeroes.
11338
4f2a9edd
ILT		 113392008-04-15 Ian Lance Taylor <iant@google.com>
11340
e6188289
ILT		 11341 * script-sections.cc (Script_sections::create_segments): Use
11342 header_size_adjustment even when there is enough room for the
11343 headers.
11344 * testsuite/script_test_4.sh: New file.
11345 * testsuite/script_test_4.t: New file.
11346 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
11347 (check_DATA): Add script_test_4.stdout.
11348 (MOSTLYCLEANFILES): Likewise.
11349 (script_test_4): New target.
11350 (script_test_4.stdout): New target.
11351 * testsuite/Makefile.in: Rebuild.
11352
4f2a9edd
ILT		 11353 * sparc.cc: Add definitions for Output_data_plt_sparc class
11354 constants.
11355
f5314dd5
DM		 113562008-04-14 David S. Miller <davem@davemloft.net>
11357
11358 * sparc.cc: New file.
11359 * Makefile.am (TARGETSOURCES): Add sparc.cc
11360 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
11361 * configure.tgt: Document targ_extra_size and
11362 targ_extra_big_endian. Add entries for sparc-* and
11363 sparc64-*.
11364 * configure.ac: Handle targ_extra_size and
11365 targ_extra_big_endian.
11366 * Makefile.in: Rebuild.
11367 * configure: Likewise.
11368 * po/POTFILES.in: Likewise.
11369 * po/gold.pot: Likewise.
11370
154e0e9a
ILT		 113712008-04-14 Ian Lance Taylor <iant@google.com>
11372
11373 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
11374 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
11375 in the name/type/flags to section mapping. Don't call
11376 allocate_output_section.
11377 (Layout::choose_output_section): Change parameter from adjust_name
11378 to is_input_section. Don't permit input sections after sections
11379 are attached to segments. Don't call allocate_output_section.
11380 (Layout::layout_eh_frame): Call update_flags_for_input_section,
11381 not write_enable_output_section.
11382 (Layout::make_output_section): Don't push to
11383 unattached_section_list_ nor call attach_to_segment. Call
11384 attach_section_to_segment if sections are attached.
11385 (Layout::attach_sections_to_segments): New function.
11386 (Layout::attach_section_to_segment): New function.
11387 (Layout::attach_allocated_section_to_segment): Rename from
11388 attach_to_segment. Remove flags parameter.
11389 (Layout::allocate_output_section): Remove function.
11390 (Layout::write_enable_output_section): Remove function.
11391 * layout.h (class Layout): Update for above changes. Add new
11392 field sections_are_attached_.
11393 * output.h (Output_section::update_flags_for_input_section): New
11394 function.
11395 * output.cc (Output_section::add_input_section): Call
11396 update_flags_for_input_section.
11397 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
11398
009a67a2
CC		 113992008-04-11 Cary Coutant <ccoutant@google.com>
11400
11401 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
11402 thought unnecessary.
11403 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
11404
759b1a24
ILT		 114052008-04-11 Ian Lance Taylor <iant@google.com>
11406
11407 * output.h (class Output_section_data): Remove inline definition
11408 of set_addralign.
11409 * output.cc (Output_section_data::set_addralign): New function.
11410
c2b45e22
CC		 114112008-04-11 Cary Coutant <ccoutant@google.com>
11412
11413 Add support for TLS descriptors for i386 and x86_64.
11414 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
11415 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
11416 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
11417 GOT_TYPE_TLS_DESC.
11418 (Target_i386::got_mod_index_entry): Remove unnecessary code.
11419 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
11420 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
11421 relocations.
11422 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
11423 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
11424 Fix problem with initial-exec relocations.
11425 (Target_i386::Relocate::relocate_tls): Likewise.
11426 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
11427 relaxation.
11428 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
11429 support for section-plus-offset dynamic table entries.
11430 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
11431 (Output_data_dynamic::Dynamic_entry): Add support for
11432 section-plus-offset dynamic table entries.
11433 (Output_data_dynamic::Classification): Likewise.
11434 (Output_data_dynamic::classification_): Renamed offset_.
11435 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
11436 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
11437 (Target_x86_64::make_plt_section): New function.
11438 (Target_x86_64::reserve_tlsdesc_entries): New function.
11439 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
11440 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
11441 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
11442 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
11443 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
11444 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
11445 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
11446 add extra PLT entry for TLS descriptors.
11447 (Output_data_plt_x86_64::got_): New field.
11448 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11449 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11450 fields.
11451 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11452 descriptors.
11453 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11454 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11455 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11456 R_386_TLS_DESC_CALL relocations.
11457 (Target_x86_64::Scan::global): Likewise.
11458 (Target_x86_64::do_finalize_sections): Add dynamic table entries
11459 for TLS descriptors.
11460 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11461 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11462 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11463 GD-to-IE relaxation.
11464 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11465 and TLS_DESCRIPTORS.
11466 * Makefile.in: Rebuild.
11467 * configure: Rebuild.
11468 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11469 (tls_test_shared2.so): New target.
11470 (tls_shared_gd_to_ie_test_SOURCES): New variable.
11471 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11472 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11473 (tls_shared_gd_to_ie_test_LDADD): New variable.
11474 (tls_shared_gnu2_gd_to_ie_test): New target.
11475 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11476 New targets.
11477 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11478 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11479 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11480 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11481 (tls_shared_gnu2_test): New target.
11482 (tls_test_gnu2_shared.so): New target.
11483 (tls_shared_gnu2_test_SOURCES): New variable.
11484 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11485 (tls_shared_gnu2_test_LDFLAGS): New variable.
11486 (tls_shared_gnu2_test_LDADD): New variable.
11487 * testsuite/Makefile.in: Rebuild.
11488 * testsuite/Makefile.
11489
83bfb6b7
ILT		 114902008-04-11 Ian Lance Taylor <iant@google.com>
11491
11492 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11493 justsyms.t.
11494 * testsuite/Makefile.in: Rebuild.
11495
11496 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11497 long.
11498 * testsuite/script_test_2.cc (main): Adjust test.
11499
706e1f5e
ILT		 115002008-04-11 David S. Miller <davem@davemloft.net>
11501 Ian Lance Taylor <iant@google.com>
11502
11503 * options.h (General_options): Add entries for '-Y' and
11504 '-relax'.
11505 * options.cc (General_options:finalize): If -Y was used, add those
11506 entries to the library path instead of the default "/lib" and
11507 "/usr/lib".
11508
7c98e6bb
DM		 115092008-04-11 David S. Miller <davem@davemloft.net>
11510
11511 * testsuite/justsyms.t: Start at 0x100.
11512 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 11513 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11514 long.
11515 * testsuite/script_test_2.cc: Adjust string and section length
11516 checks.
7c98e6bb 11517
99a37bfd
ILT		 115182008-04-09 Ian Lance Taylor <iant@google.com>
11519
2cefc357
ILT		 11520 PR gold/5996
11521 * script-sections.cc (Sections_element::allocate_to_segment): Add
11522 orphan parameter.
11523 (Output_section_definition::allocate_to_segment): Likewise.
11524 (Orphan_output_section::allocate_to_segment): Likewise.
11525 (Script_sections::attach_sections_using_phdrs_clause): Don't
11526 propagate non-PT_LOAD segments to orphan sections.
11527 * testsuite/Makefile.am (script_test_3.stdout): Generate using
11528 readelf rather than objdump.
11529 * testsuite/script_test_3.sh: Adjust accordingly. Test that
11530 .interp section and PT_INTERP segment are the same size.
11531 * testsuite/Makefile.in: Rebuild.
11532
99a37bfd
ILT		 11533 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11534 aliases for symbols defined in the same object.
11535 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11536 (weak_alias_test_SOURCES): New variable.
11537 (weak_alias_test_DEPENDENCIES): New variable.
11538 (weak_alias_test_LDFLAGS): New variable.
11539 (weak_alias_test_LDADD): New variable.
11540 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11541 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11542 (weak_alias_test_3.o): New target.
11543 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11544 * testsuite/weak_alias_test_main.cc: New file.
11545 * testsuite/weak_alias_test_1.cc: New file.
11546 * testsuite/weak_alias_test_2.cc: New file.
11547 * testsuite/weak_alias_test_3.cc: New file.
11548
780e49c5
ILT		 115492008-04-08 Ian Lance Taylor <iant@google.com>
11550
cdb0b8f5
ILT		 11551 * options.h (class General_options): Add --noinhibit-exec option.
11552 * main.cc (main): Check --noinhibit-exec.
11553
0864d551
ILT		 11554 * options.h (class General_options): Define --wrap as a special
11555 option. Add wrap_symbols_ field.
11556 (General_options::any_wrap_symbols): New function.
11557 (General_options::is_wrap_symbol): New function.
11558 * options.cc (General_options::parse_wrap): New function.
11559 (General_options::General_options): Initialize wrap_symbols_.
11560 * symtab.cc (Symbol_table::wrap_symbol): New function.
11561 (Symbol_table::add_from_object): Handle --wrap.
11562 * symtab.h (class Symbol_table): Declare wrap_symbol.
11563 * target.h (Target::wrap_char): New function.
11564 (Target::Target_info): Add wrap_char field.
11565 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11566 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11567 * testsuite/testfile.cc (Target_test::test_target_info):
11568 Likewise.
11569
789aa6de
ILT		 11570 * errors.cc (Errors::undefined_symbol): Mention symbol version if
11571 there is one.
11572
2c38906f
ILT		 11573 * layout.h (class Layout): Add added_eh_frame_data_ field.
11574 * layout.cc (Layout::Layout): Initialize new field.
11575 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11576 output section until we find a section we merged successfully.
11577 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11578 that the size be non-zero.
11579
780e49c5
ILT		 11580 * merge.cc (Object_merge_map::get_output_offset): Remove inline
11581 qualifier.
11582
7fcd0256
ILT		 115832008-04-08 Craig Silverstein <csilvers@google.com>
11584
11585 * configure.ac: Export new conditional variable HAVE_ZLIB.
11586 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11587 on HAVE_ZLIB.
11588 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11589 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11590
6835af53
ILT		 115912008-04-07 Ian Lance Taylor <iant@google.com>
11592
e24f324c
ILT		 11593 * version.cc (version_string): Set to "1.5".
11594
a036edd8
ILT		 11595 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11596 Add issued_non_pic_error_ field. Declare check_non_pic.
11597 (Target_x86_64::Scan::check_non_pic): New function.
11598 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11599 (Target_x86_64::Scan::global): Likewise.
11600
624f8810
ILT		 11601 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11602 addend parameter. Change caller. Handle merge sections.
11603 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11604 Address to Addend. Don't add in the result of
11605 local_section_offset, pass down the addend and use the returned
11606 value.
11607 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11608 Update declarations of local_section_offset and symbol_value.
11609 * testsuite/two_file_test_1.cc (t18): New function.
11610 * testsuite/two_file_test_2.cc (f18): New function.
11611 * testsuite/two_file_test_main.cc (main): Call t18.
11612 * testsuite/two_file_test.h (t18, f18): Declare.
11613
6835af53
ILT		 11614 * configure.ac: Don't test for objdump, c++filt, or readelf.
11615 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11616 conditionals.
11617 (TEST_READELF): New variable.
11618 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11619 (check_PROGRAMS): Add two_file_strip_test.
11620 (two_file_strip_test): New target.
11621 (check_PROGRAMS): Add two_file_same_shared_strip_test.
11622 (two_file_same_shared_strip_test_SOURCES): New variable.
11623 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11624 (two_file_same_shared_strip_test_LDFLAGS): New variable.
11625 (two_file_same_shared_strip_test_LDADD): New variable.
11626 (two_file_shared_strip.so): New target.
11627 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11628 (ver_test_5.syms, ver_test_7.syms): Likewise.
11629 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11630 (strip_test_3.stdout): Use TEST_OBJDUMP.
11631 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11632
86925eef
CC		 116332008-04-04 Cary Coutant <ccoutant@google.com>
11634
11635 * symtab.h (Symbol::is_weak_undefined): New function.
11636 (Symbol::is_strong_undefined): New function.
11637 (Symbol::is_absolute): New function.
11638 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11639 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11640 absolute symbols.
11641 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11642 (weak_undef_test): New target.
11643 * testsuite/Makefile.in: Rebuild.
11644 * testsuite/weak_undef_file1.cc: New file.
11645 * testsuite/weak_undef_file2.cc: New file.
11646 * testsuite/weak_undef_test.cc: New file.
11647
126f3ece
ILT		 116482008-04-03 Craig Silverstein <csilvers@google.com>
11649
11650 * compressed_output.h (class Output_compressed_section): Use
11651 unsigned buffer.
11652 * compressed_output.cc (zlib_compress): Use unsigned buffers,
11653 add zlib header.
11654 (zlib_compressed_suffix): Removed.
11655 (Output_compressed_section::set_final_data_size): Use unsigned
11656 buffers.
11657 * testsuite/Makefile.am (flagstest_compress_debug_sections):
11658 Fix linker invocation.
11659 (flagstest_o_specialfile_and_compress_debug_sections):
11660 Likewise.
11661 * testsuite/Makefile.in: Regenerated.
11662
deae2a14
DM		 116632008-04-02 David S. Miller <davem@davemloft.net>
11664
11665 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11666 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11667
70752818
ILT		 116682008-04-02 Craig Silverstein <csilvers@google.com>
11669
11670 * TODO: New file.
11671
39d0cb0e
ILT		 116722008-04-02 Ian Lance Taylor <iant@google.com>
11673
11674 * fileread.cc (File_read::find_view): Add byteshift and vshifted
11675 parameters. Update for new key type to views_. Change all
11676 callers.
11677 (File_read::read): Adjust for byteshift in returned view.
11678 (File_read::add_view): New function, broken out of
11679 find_and_make_view.
11680 (File_read::make_view): New function, broken out of
11681 find_and_make_view.
11682 (File_read::find_or_make_view): Add offset and aligned
11683 parameters. Rewrite accordingly. Change all callers.
11684 (File_read::get_view): Add offset and aligned parameters. Adjust
11685 for byteshift in return value.
11686 (File_read::get_lasting_view): Likewise.
11687 * fileread.h (class File_read): Update declarations.
11688 (class File_read::View): Add byteshift_ field. Add byteshift to
11689 constructor. Add byteshift method.
11690 * archive.h (Archive::clear_uncached_views): New function.
11691 (Archive::get_view): Add aligned parameter. Change all callers.
11692 * object.h (Object::get_view): Add aligned parameter. Change all
11693 callers.
11694 (Object::get_lasting_view): Likewise.
11695
11696 * fileread.cc (File_read::release): Don't call clear_views if
11697 there are multiple objects.
11698 * fileread.h (File_read::clear_uncached_views): New function.
11699 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11700 on the archive.
11701
a1207466
CC		 117022008-03-31 Cary Coutant <ccoutant@google.com>
11703
11704 Add thin archive support.
11705 * archive.cc (Archive::armagt): New const.
11706 (Archive::setup): Remove task parameter and calls to unlock.
11707 (Archive::unlock_nested_archives): New function.
11708 (Archive::read_header): Add nested_off parameter. Change
11709 all callers.
11710 (Archive::interpret_header): Likewise.
11711 (Archive::include_all_members): Change to handle thin
11712 archives.
11713 (Archive::include_member): Likewise.
11714 * archive.h (Archive::Archive): Add new parameters and
11715 initializers.
11716 (Archive::armagt): New const.
11717 (Archive::setup): Remove task parameter.
11718 (Archive::unlock_nested_archives): New function.
11719 (Archive::read_header): Add nested_off parameter.
11720 (Archive::interpret_header): Likewise.
11721 (Archive::Nested_archive_table): New typedef.
11722 (Archive::is_thin_archive_): New field.
11723 (Archive::nested_archives_): New field.
11724 (Archive::options_): New field.
11725 (Archive::dirpath_): New field.
11726 (Archive::task_): New field.
11727 * readsyms.cc (Read_symbols::do_read_symbols): Add check
11728 for thin archives. Pass additional parameters to
11729 Archive::Archive. Unlock the archive file after calling
11730 Archive::setup.
cd536b21 11731
479f6503
ILT		 117322008-03-29 Ian Lance Taylor <iant@google.com>
11733
686c8caf
ILT		 11734 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11735 version symbol to be local.
11736 * testsuite/ver_test_4.sh: New file.
11737 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11738 (check_DATA): Add ver_test_4.syms.
11739 (ver_test_4.syms): New target.
11740 * testsuite/Makefile.in: Rebuild.
11741
ab794b6b
ILT		 11742 * output.cc
11743 (Output_section::Input_section_sort_entry::has_priority): New
11744 function.
11745 (Output_section::Input_section_sort_entry::match_file_name): New
11746 function.
11747 (Output_section::Input_section_sort_entry::match_section_name):
11748 Remove.
11749 (Output_section::Input_section_sort_entry::match_section_name_prefix):
11750 Remove.
11751 (Output_section::Input_section_sort_entry::match_section_file):
11752 Remove.
11753 (Output_section::Input_section_sort_compare::operator()): Rewrite
11754 using new Input_section_sort_entry functions. Sort crtbegin and
11755 crtend first. Sort sections with no priority before sections with
11756 a priority.
11757 * testsuite/initpri1.c (d3): Check j != 4.
11758 (cd5): New constructor/destructor function.
11759 (main): Check j != 2.
11760
479f6503
ILT		 11761 * symtab.cc (Symbol_table::add_from_object): If we don't use the
11762 new symbol when resolving, don't call set_is_default.
11763 * testsuite/ver_test_7.cc: New file.
11764 * testsuite/ver_test_7.sh: New file.
11765 * testsuite/Makefile.am (ver_test_7.so): New target.
11766 (ver_test_7.o): New target.
11767 (check_SCRIPTS): Add ver_test_7.sh.
11768 (check_DATA): Add ver_test_7.syms.
11769 (ver_test_7.syms): New target.
11770
2fd32231
ILT		 117712008-03-28 Ian Lance Taylor <iant@google.com>
11772
11773 * layout.cc (Layout::layout): If we see an input section with a
11774 name that needs sorting, set the must_sort flag for the output
11775 section.
11776 (Layout::make_output_section): If the name of the output section
11777 indicates that it might require sorting, set the may_sort flag.
11778 * output.h (Output_section::may_sort_attached_input_sections): New
11779 function.
11780 (Output_section::set_may_sort_attached_input_sections): New
11781 function.
11782 (Output_section::must_sort_attached_input_sections): New
11783 function.
11784 (Output_section::set_must_sort_attached_input_sections): New
11785 function.
11786 (class Output_section): Declare Input_section_sort_entry. Define
11787 Input_section_sort_compare. Declare
11788 sort_attached_input_sections. Add new fields:
11789 may_sort_attached_input_sections_,
11790 must_sort_attached_input_sections_,
11791 attached_input_sections_are_sorted_.
11792 * output.cc (Output_section::Output_section): Initialize new
11793 fields.
11794 (Output_section::add_input_section): Add an entry to
11795 input_sections_ if may_sort or must_sort are true.
11796 (Output_section::set_final_data_size): Call
11797 sort_attached_input_sections if necessary.
11798 (Output_section::Input_section_sort_entry): Define new class.
11799 (Output_section::Input_section_sort_compare::operator()): New
11800 function.
11801 (Output_section::sort_attached_input_sections): New function.
11802 * configure.ac: Check whether the compiler supports constructor
11803 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
11804 * testsuite/initpri1.c: New file.
11805 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11806 CONSTRUCTOR_PRIORITY.
11807 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11808 (initpri1_LDFLAGS): New variable.
11809 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11810
18e6b24e
ILT		 118112008-03-27 Ian Lance Taylor <iant@google.com>
11812
49bdd526
ILT		 11813 * common.cc (Sort_commons::operator): Correct sorting algorithm.
11814 * testsuite/common_test_1.c: New file.
11815 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11816 (common_test_1_SOURCES): New variable.
11817 (common_test_1_DEPENDENCIES): New variable.
11818 (common_test_1_LDFLAGS): New variable.
11819
18e6b24e
ILT		 11820 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11821 and commons_ correctly when NAME/VERSION does not override
11822 NAME/NULL.
11823 * testsuite/ver_test_6.c: New file.
11824 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11825 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11826 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11827
04bf7072
ILT		 118282008-03-26 Ian Lance Taylor <iant@google.com>
11829
5871526f
ILT		 11830 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11831 of an undefined symbol from a version script.
11832 * testsuite/Makefile.am (ver_test_5.so): New target.
11833 (ver_test_5.o): New target.
11834 (check_SCRIPTS): Add ver_test_5.sh.
11835 (check_DATA): Add ver_test_5.syms.
11836 (ver_test_5.syms): New target.
11837 * testsuite/ver_test_5.cc: New file.
11838 * testsuite/ver_test_5.script: New file.
11839 * testsuite/ver_test_5.sh: New file.
11840 * Makefile.in, testsuite/Makefile.in: Rebuild.
11841
04bf7072
ILT		 11842 PR gold/5986
11843 Fix problems building gold with gcc 4.3.0.
11844 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11845 (gold_error_at_location, gold_warning_at_location): Use it.
11846 * configure.ac: Check whether we can compile and use a template
11847 function with a printf attribute.
11848 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11849 when jumping over bytes.
11850 * object.cc: Instantiate Object::read_section_data.
11851 * debug.h: Include <cstring>
11852 * dwarf_reader.cc: Include <algorithm>
11853 * main.cc: Include <cstring>.
11854 * options.cc: Include <cstring>.
11855 * output.cc: Include <cstring>.
11856 * script.cc: Include <cstring>.
11857 * script.h: Include <string>.
11858 * symtab.cc: Include <cstring> and <algorithm>.
11859 * target-select.cc: Include <cstring>.
11860 * version.cc: Include <string>.
11861 * testsuite/testmain.cc: Include <cstdlib>.
11862 * configure, config.in: Rebuild.
11863
874c5b28
ILT		 118642008-03-25 Ian Lance Taylor <iant@google.com>
11865
819d6c3a
ILT		 11866 * options.cc: Include "../bfd/bfdver.h".
11867 (options::help): Print bug reporting address.
11868
f4b2c6f5
ILT		 11869 * version.cc (print_version): Adjust output for current value of
11870 BFD_VERSION_STRING.
11871
11872 * NEWS: New file.
11873
e96caa79
ILT		 11874 * options.cc (options::help): Print list of supported targets.
11875 * target-select.h: Include <vector>.
11876 (class Target_selector): Make machine_, size_, and is_big_endian_
11877 fields const. Add bfd_name_ and instantiated_target_ fields.
11878 (Target_selector::Target_selector): Add bfd_name parameter.
11879 (Target_selector::recognize): Make non-virtual, call
11880 do_recognize.
11881 (Target_selector::recognize_by_name): Make non-virtual, call
11882 do_recognize_by_name.
11883 (Target_selector::supported_names): New function.
11884 (Target_selector::bfd_name): New function.
11885 (Target_selector::do_instantiate_target): New pure virtual
11886 function.
11887 (Target_selector::do_recognize): New virtual function.
11888 (Target_selector::do_recognize_by_name): New virtual function.
11889 (Target_selector::instantiate_target): New private function.
11890 (supported_target_names): Declare.
11891 * target-select.cc (Target_selector::Target_selector): Update for
11892 new parameter and fields.
11893 (select_target_by_name): Check that the name matches before
11894 calling recognize_by_name.
11895 (supported_target_names): New function.
11896 * i386.cc (class Target_selector_i386): Update Target_selector
11897 constructor call. Remove recognize and recognize_by_name. Add
11898 do_instantiate_target.
11899 * x86_64.cc (class Target_selector_x86_64): Likewise.
11900 * testsuite/testfile.cc (class Target_selector_test): Update for
11901 changes to Target_selector.
11902
874c5b28
ILT		 11903 * README: Rewrite, with some notes on unsupported features.
11904
0a65a3a7
CC		 119052008-03-24 Cary Coutant <ccoutant@google.com>
11906
11907 * i386.cc (Target_i386::Got_type): New enum declaration.
11908 (Target_i386::Scan::local): Updated callers of Output_data_got
11909 member functions.
11910 (Target_i386::Scan::global): Likewise.
11911 (Target_i386::Relocate::relocate): Likewise.
11912 (Target_i386::Relocate::relocate_tls): Likewise.
11913 * object.h (Got_offset_list): New class.
11914 (Sized_relobj::local_has_got_offset): Added got_type parameter.
11915 (Sized_relobj::local_got_offset): Likewise.
11916 (Sized_relobj::set_local_got_offset): Likewise.
11917 (Sized_relobj::local_has_tls_got_offset): Removed.
11918 (Sized_relobj::local_tls_got_offset): Removed.
11919 (Sized_relobj::set_local_tls_got_offset): Removed.
11920 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11921 * output.cc (Output_data_got::add_global): Added got_type parameter.
11922 (Output_data_got::add_global_with_rel): Likewise.
11923 (Output_data_got::add_global_with_rela): Likewise.
11924 (Output_data_got::add_global_pair_with_rel): New function.
11925 (Output_data_got::add_global_pair_with_rela): New function.
11926 (Output_data_got::add_local): Added got_type parameter.
11927 (Output_data_got::add_local_with_rel): Likewise.
11928 (Output_data_got::add_local_with_rela): Likewise.
11929 (Output_data_got::add_local_pair_with_rel): New function.
11930 (Output_data_got::add_local_pair_with_rela): New function.
11931 (Output_data_got::add_global_tls): Removed.
11932 (Output_data_got::add_global_tls_with_rel): Removed.
11933 (Output_data_got::add_global_tls_with_rela): Removed.
11934 (Output_data_got::add_local_tls): Removed.
11935 (Output_data_got::add_local_tls_with_rel): Removed.
11936 (Output_data_got::add_local_tls_with_rela): Removed.
11937 * output.h (Output_data_got::add_global): Added got_type parameter.
11938 (Output_data_got::add_global_with_rel): Likewise.
11939 (Output_data_got::add_global_with_rela): Likewise.
11940 (Output_data_got::add_global_pair_with_rel): New function.
11941 (Output_data_got::add_global_pair_with_rela): New function.
11942 (Output_data_got::add_local): Added got_type parameter.
11943 (Output_data_got::add_local_with_rel): Likewise.
11944 (Output_data_got::add_local_with_rela): Likewise.
11945 (Output_data_got::add_local_pair_with_rel): New function.
11946 (Output_data_got::add_local_pair_with_rela): New function.
11947 (Output_data_got::add_global_tls): Removed.
11948 (Output_data_got::add_global_tls_with_rel): Removed.
11949 (Output_data_got::add_global_tls_with_rela): Removed.
11950 (Output_data_got::add_local_tls): Removed.
11951 (Output_data_got::add_local_tls_with_rel): Removed.
11952 (Output_data_got::add_local_tls_with_rela): Removed.
11953 * resolve.cc (Symbol::override_base_with_special): Removed
11954 reference to has_got_offset_ field.
11955 * symtab.cc (Symbol::init_fields): Replaced initialization
11956 of got_offset_ with got_offsets_. Removed initialization
11957 of has_got_offset_
53fcba31 11958 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 11959 (Symbol::got_offset): Likewise.
11960 (Symbol::set_got_offset): Likewise.
11961 (Symbol::has_tls_got_offset): Removed.
11962 (Symbol::tls_got_offset): Removed.
11963 (Symbol::set_tls_got_offset): Removed.
11964 (Symbol::got_offset_): Removed.
11965 (Symbol::tls_mod_got_offset_): Removed.
11966 (Symbol::tls_pair_got_offset_): Removed.
11967 (Symbol::got_offsets_): New field.
11968 (Symbol::has_got_offset): Removed.
11969 (Symbol::has_tls_mod_got_offset): Removed.
11970 (Symbol::has_tls_pair_got_offset): Removed.
11971 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11972 (Target_x86_64::Scan::local): Updated callers of Output_data_got
11973 member functions.
11974 (Target_x86_64::Scan::global): Likewise.
11975 (Target_x86_64::Relocate::relocate): Likewise.
11976 (Target_x86_64::Relocate::relocate_tls): Likewise.
11977
bd52eafb
BE		 119782008-03-25 Ben Elliston <bje@au.ibm.com>
11979
11980 * yyscript.y: Fix spelling error in comment.
11981
8b105e34
ILT		 119822008-03-24 Ian Lance Taylor <iant@google.com>
11983
8ed814a9
ILT		 11984 * options.h (class General_options): Define build_id option.
11985 * layout.h (class Layout): Declare write_build_id, create_note,
11986 create_build_id. Add build_id_note_ member.
11987 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11988 "libiberty.h", "md5.h", "sha1.h".
11989 (Layout::Layout): Initialize eh_frame_data_,
11990 eh_frame_hdr_section_, and build_id_note_.
11991 (Layout::finalize): Call create_build_id.
11992 (Layout::create_note): New function, broken out of
11993 Layout::create_gold_note.
11994 (Layout::create_gold_note): Call create_note.
11995 (Layout::create_build_id): New function.
11996 (Layout::write_build_id): New function.
11997 (Close_task_runner::run): Call write_build_id.
11998
8b105e34
ILT		 11999 * x86_64.cc: Correct license to GPLv3.
12000
086a1841
ILT		 120012008-03-23 Ian Lance Taylor <iant@google.com>
12002
12003 * options.cc: Include "demangle.h".
12004 (parse_optional_string): New function.
12005 (parse_long_option): Handle takes_optional_argument.
12006 (parse_short_option): Update dash_z initializer. Handle
12007 takes_optional_argument.
12008 (General_options::General_options): Initialize do_demangle_.
12009 (General_options::finalize): Set do_demangle_. Handle demangling
12010 style.
12011 * options.h (parse_optional_string): Declare.
12012 (struct One_option): Add optional_arg field. Update constructor.
12013 Update call constructor calls. Add takes_optional_argument
12014 function.
12015 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
12016 (DEFINE_optional_string): Define.
12017 (General_options::demangle): Change from DEFINE_bool to
12018 DEFINE_optional_string.
12019 (General_options::no_demangle): New function.
12020 (General_options::do_demangle): New function.
12021 (General_options::set_do_demangle): New function.
12022 (General_options::execstack_status_): Move definition to end of
12023 class definition.
12024 (General_options::static_): Likewise.
12025 (General_options::do_demangle_): New field.
12026 * object.cc (big_endian>::get_symbol_location_info): Call
12027 Options::do_demangle, not Options::demangle.
12028 * symtab.cc (demangle): Likewise.
12029
cbb93e63
ILT		 120302008-03-22 Ian Lance Taylor <iant@google.com>
12031
12032 * gold.h: Include <cstddef> and <sys/types.h>
12033 * options.h: Include <cstring>.
12034
ec531623
ILT		 120352008-03-21 Ian Lance Taylor <iant@google.com>
12036
12037 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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