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gdb.python/python.exp: Update filename paths.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
e24719f6
CC		 12011-07-06 Cary Coutant <ccoutant@google.com>
2
3 * incremental.cc (Sized_incremental_binary::setup_readers): Pass
4 input file index to Script_info ctor.
5 (Sized_incremental_binary::do_file_has_changed): Find the
6 command-line argument for files named in scripts.
7 * incremental.h (Script_info::Script_info): New ctor
8 with input file index.
9 (Script_info::input_file_index): New function.
10 (Script_info::input_file_index_): New data member.
11 (Incremental_binary::get_library): Add const.
12 (Incremental_binary::get_script_info): Add const.
13 * readsyms.cc (Read_member::is_runnable): Check for this_blocker_.
14 * testsuite/Makefile.am (incremental_test_5): New test case.
15 (incremental_test_6): New test case.
16 * testsuite/Makefile.in: Regenerate.
17
8f7c81e8
CC		 182011-07-06 Cary Coutant <ccoutant@google.com>
19
20 * incremental.cc (Sized_incremental_binary::do_check_inputs): Add
21 debug output when command lines differ.
22
9fbd3822
CC		 232011-07-06 Cary Coutant <ccoutant@google.com>
24
25 * incremental.cc (Incremental_inputs::report_command_line): Ignore
26 --incremental-patch option.
27 * layout.cc (Free_list::allocate): Extend allocation beyond original
28 end if enabled.
29 (Layout::make_output_section): Mark sections that should get
30 patch space.
31 * options.cc (parse_percent): New function.
32 * options.h (parse_percent): New function.
33 (DEFINE_percent): New macro.
34 (General_options): Add --incremental-patch option.
35 * output.cc (Output_section::Output_section): Initialize new data
36 members.
37 (Output_section::add_input_section): Print section name when out
38 of patch space.
39 (Output_section::add_output_section_data): Likewise.
40 (Output_section::set_final_data_size): Add patch space when
41 doing --incremental-full.
42 (Output_section::do_reset_address_and_file_offset): Remove patch
43 space.
44 (Output_segment::set_section_list_addresses): Print debug output
45 only if --incremental-update.
46 * output.h (Output_section::set_is_patch_space_allowed): New function.
47 (Output_section::is_patch_space_allowed_): New data member.
48 (Output_section::patch_space_): New data member.
49 * parameters.cc (Parameters::incremental_full): New function.
50 * parameters.h (Parameters::incremental_full): New function
51 * testsuite/Makefile.am (incremental_test_2): Add test for
52 --incremental-patch option.
53 * testsuite/Makefile.in: Regenerate.
54 * testsuite/two_file_test_1_v1.cc (t1, t2, t3): Add comments.
55 (t18): Remove function body.
56
f6cccc2c
DK		 572011-07-05 Doug Kwan <dougkwan@google.com>
58
59 PR gold/12771
60 * arm.cc (Arm_relocate_functions::abs8): Use int32_t for addend and
61 Arm_Address type for relocation result.
62 (Arm_relocate_functions::abs16): Use unaligned access. Also fix
63 overflow check.
64 (Arm_relocate_functions::abs32): Use unaligned access.
65 (Arm_relocate_functions::rel32): Ditto.
66 (Arm_relocate_functions::prel31): Ditto.
67 (Arm_exidix_cantunwind::do_fixed_endian_write): Ditto.
68 * testsuite/Makefile.am: Add new test arm_unaligned_reloc for unaligned
69 static data relocations.
70 * testsuite/Makefile.in: Regnerate.
71 * testsuite/arm_unaligned_reloc.{s,sh}: New files.
72
28a13fec
ILT		 732011-07-05 Ian Lance Taylor <iant@google.com>
74
75 PR gold/12392
76 * i386.cc (Target_i386::do_finalize_sections): Define __rel_iplt
77 symbols if necessary.
78 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
79
24d47b34
ILT		 802011-07-05 Ian Lance Taylor <iant@google.com>
81
82 PR gold/12952
83 * resolve.cc (Symbol::override_base_with_special): Simply override
84 version with special symbol version, ignoring previous version.
85
41f9cbbe
ILT		 862011-07-05 Ian Lance Taylor <iant@google.com>
87
88 * object.cc (Sized_relobj_file::include_section_group): Add
89 information to comment about signature location.
90
886288f1
ILT		 912011-07-02 Ian Lance Taylor <iant@google.com>
92
93 PR gold/12957
94 * options.h (class General_options): Add -f and -F.
95 * options.cc (General_options::finalize): Fatal error if -f/-F
96 are used without -shared.
97 * layout.cc (Layout::finish_dynamic_section): Implement -f/-F.
98
ae3a6d4f
ILT		 992011-07-02 Ian Lance Taylor <iant@google.com>
100
101 * dirsearch.cc (Dir_cache::read_files): Ignore ENOTDIR errors.
102
21131061
ILT		 1032011-07-01 Ian Lance Taylor <iant@google.com>
104
105 PR gold/12525
106 PR gold/12952
107 * resolve.cc (Symbol::override_base_with_special): Don't override
108 the version if the overriding symbol has a different name.
109 * dynobj.cc (Versions::add_def): Add dynpool parameter. Change
110 all callers. If we give an error about an undefined version,
111 define the base version if necessary.
112 * dynobj.h (class Versions): Update declaration.
113 * testsuite/weak_alias_test_5.cc: New file.
114 * testsuite/weak_alias_test.script: New file.
115 * testsuite/weak_alias_test_main.cc: Check that versioned_symbol
116 and versioned_alias have the right value, and call t2.
117 * testsuite/Makefile.am (weak_alias_test_DEPENDENCIES): Add
118 weak_alias_test_5.so.
119 (weak_alias_test_LDADD): Likewise.
120 (weak_alias_test_5_pic.o, weak_alias_test_5.so): New targets.
121 * testsuite/Makefile.in: Rebuild.
122
611062c0
ILT		 1232011-07-01 Ian Lance Taylor <iant@google.com>
124
125 PR gold/12525
126 * options.h (class General_options): Support -z notext.
127 * testsuite/Makefile.am (two_file_shared_1_nonpic.so): Use
128 -Wl,-z,notext.
129 (two_file_shared_nonpic.so): Likewise.
130 (two_file_shared_mixed.so): Likewise.
131 (two_file_shared_mixed_1.so): Likewise.
132 (weak_undef_lib_nonpic.so): Likewise.
133 (alt/weak_undef_lib_nonpic.so): Likewise.
134 (tls_test_shared_nonpic.so): Likewise.
135 * testsuite/Makefile.in: Rebuild.
136
328c7c2f
ILT		 1372011-07-01 Ian Lance Taylor <iant@google.com>
138
139 PR gold/12525
140 * configure.ac: Test whether static linking works, setting
141 the automake conditional HAVE_STATIC.
142 * testsuite/Makefile.am: Disable tests using -static if
143 HAVE_STATIC is not true.
144 * configure, testsuite/Makefile.in: Rebuild.
145
02d7cd44
ILT		 1462011-07-01 Ian Lance Taylor <iant@google.com>
147
148 PR gold/12525
149 * ehframe.cc (Eh_frame_hdr::get_fde_pc): Handle DW_EH_PE_datarel.
150 Assert if we see DW_EH_PE_indirect.
151 * target.h (Target::ehframe_datarel_base): New function.
152 (Target::do_ehframe_datarel_base): New target function.
153 * i386.cc (Target_i386::do_ehframe_datarel_base): New function.
154 * x86_64.cc (Target_x86_64::do_ehframe_datarel_base): New
155 function.
156
07a60597
ILT		 1572011-07-01 Ian Lance Taylor <iant@google.com>
158
159 PR gold/12571
160 * options.h (class General_options): Add
161 --ld-generated-unwind-info.
162 * ehframe.cc (Fde::write): Add address parameter. Change all
163 callers. If associated with PLT, fill in address and size.
164 (Cie::set_output_offset): Only add merge mapping if there is an
165 object.
166 (Cie::write): Add address parameter. Change all callers.
167 (Eh_frame::add_ehframe_for_plt): New function.
168 * ehframe.h (class Fde): Update declarations. Move shndx_ and
169 input_offset_ fields into union u_, with new plt field.
170 (Fde::Fde): Adjust for new union field.
171 (Fde::Fde) [Output_data version]: New constructor.
172 (Fde::add_mapping): Only add merge mapping if there is an object.
173 (class Cie): Update declarations.
174 (class Eh_frame): Declare add_ehframe_for_plt.
175 * layout.cc (Layout::layout_eh_frame): Break out code into
176 make_eh_frame_section, and call it.
177 (Layout::make_eh_frame_section): New function.
178 (Layout::add_eh_frame_for_plt): New function.
179 * layout.h (class Layout): Update declarations.
180 * merge.cc (Merge_map::add_mapping): Add assertion.
181 * i386.cc: Include "dwarf.h".
182 (class Output_data_plt_i386): Make first_plt_entry,
183 dyn_first_plt_entry, exec_plt_entry, and dyn_plt_entry const. Add
184 plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
185 and plt_eh_frame_fde.
186 (Output_data_plt_i386::Output_data_plt_i386): Align to 16-byte
187 boundary. Call add_eh_frame_for_plt if appropriate.
188 * x86_64.cc: Include "dwarf.h".
189 (class Output_data_plt_x86_64): Align to 16-byte boundary. Make
190 first_plt_entry, plt_entry and tlsdesc_plt_entry const. Add
191 plt_eh_frame_cie_size, plt_eh_frame_fde_size, plt_eh_frame_cie,
192 and plt_eh_frame_fde.
193 (Output_data_plt_x86_64::init): Call add_eh_frame_for_plt if
194 appropriate.
195
14788a3f
ILT		 1962011-06-29 Ian Lance Taylor <iant@google.com>
197
198 PR gold/12629
199 * object.cc (Sized_relobj_file::layout_section): Change shdr
200 parameter to be const.
201 (Sized_relobj_file::layout_eh_frame_section): New function, broken
202 out of do_layout.
203 (Sized_relobj_file::do_layout): Defer .eh_frame sections if
204 appropriate. Call layout_eh_frame_section.
205 (Sized_relobj_file::do_layout_deferred_sections): Handle .eh_frame
206 sections.
207 * object.h (class Sized_relobj_file): Update declarations.
208
6c21fce1
ILT		 2092011-06-29 Ian Lance Taylor <iant@google.com>
210
37e41b03 211 PR gold/12652
6c21fce1
ILT		 212 * script.cc (Token::integer_value): Accept trailing M/m/K/k
213 modifier.
214 (Lex::gather_token): Accept trailing M/m/K/k for integers.
215
4d5e4e62
ILT		 2162011-06-29 Ian Lance Taylor <iant@google.com>
217
218 PR gold/12675
219 * object.cc (Sized_relobj_file::check_eh_frame_flags): Check for
220 SHT_X86_64_UNWIND.
221 * layout.cc (Layout::layout_eh_frame): Likewise.
222
886f533a
ILT		 2232011-06-29 Ian Lance Taylor <iant@google.com>
224
225 PR gold/12695
226 * layout.cc (Layout::symtab_section_shndx): New function.
227 * layout.h (class Layout): Declare symtab_section_shndx.
228 * output.cc (Output_section::write_header): Call it.
229
f3ae1b28
ILT		 2302011-06-29 Ian Lance Taylor <iant@google.com>
231
232 PR gold/12818
233 * symtab.cc (Symbol::should_add_dynsym_entry): Don't add undefined
234 symbols which are not used in a relocation.
235
aecf301f
ILT		 2362011-06-28 Ian Lance Taylor <iant@google.com>
237
238 PR gold/12898
239 * layout.cc (Layout::segment_precedes): Don't crash if a linker
240 script create indistinguishable segments.
241 (Layout::set_segment_offsets): Use stable_sort when sorting
242 segments. Pass this to Compare_segments constructor.
243 * layout.h (class Layout): Make segment_precedes non-static.
244 (class Compare_segments): Change from struct to class. Add
245 layout_ field. Add constructor.
246 * script-sections.cc
247 (Script_sections::attach_sections_using_phdrs_clause): Rename
248 local orphan to is_orphan. Don't report failure to put empty
249 section in segment. On attachment failure, report name of
250 section, and attach to first PT_LOAD segment.
251
03ef7571
ILT		 2522011-06-28 Ian Lance Taylor <iant@google.com>
253
254 PR gold/12934
255 * target-select.cc (Target_selector::Target_selector): Add
256 emulation parameter. Change all callers.
257 (select_target_by_bfd_name): Rename from select_target_by_name.
258 Change all callers.
259 (select_target_by_emulation): New function.
260 (supported_emulation_names): New function.
261 * target-select.h (class Target_selector): Add emulation_ field.
262 Update declarations.
263 (Target_selector::recognize_by_bfd_name): Rename from
264 recognize_by_name. Change all callers.
265 (Target_selector::supported_bfd_names): Rename from
266 supported_names. Change all callers.
267 (Target_selector::recognize_by_emulation): New function.
268 (Target_selector::supported_emulations): New function.
269 (Target_selector::emulation): New function.
270 (Target_selector::do_recognize_by_bfd_name): Rename from
271 do_recognize_by_name. Change all callers.
272 (Target_selector::do_supported_bfd_names): Rename from
273 do_supported_names. Change all callers.
274 (Target_selector::do_recognize_by_emulation): New function.
275 (Target_selector::do_supported_emulations): New function.
276 (select_target_by_bfd_name): Change name in declaration.
277 (select_target_by_emulation): Declare.
278 (supported_emulation_names): Declare.
279 * parameters.cc (parameters_force_valid_target): Try to find
280 target based on emulation from -m option.
281 * options.h (class General_options): Change doc string for -m.
282 * options.cc (help): Print emulations.
283 (General_options::parse_V): Likewise.
284 * freebsd.h (Target_selector_freebsd::Target_selector_freebsd):
285 Add emulation parameter. Change all callers.
286
200b2bb9
ILT		 2872011-06-28 Ian Lance Taylor <iant@google.com>
288
289 * target.h (class Target): Add osabi_ field.
290 (Target::osabi): New function.
291 (Target::set_osabi): New function.
292 (Target::Target): Initialize osabi_.
293 (Target::do_adjust_elf_header): Make pure virtual.
294 (Sized_target::do_adjust_elf_header): Declare.
295 * target.cc (Sized_target::do_adjust_elf_header): New function.
296 (class Sized_target): Instantiate all versions.
297 * freebsd.h (class Target_freebsd): Remove.
298 (Target_selector_freebsd::do_recognize): Call set_osabi on
299 Target.
300 (Target_selector_freebsd::do_recognize_by_name): Likewise.
301 (Target_selector_freebsd::set_osabi): Remove.
302 * i386.cc (class Target_i386): Inherit from Sized_target rather
303 than Target_freebsd.
304 * x86_64.cc (class Target_x86_64): Likewise.
305
b3ce541e
ILT		 3062011-06-28 Ian Lance Taylor <iant@google.com>
307
308 * target.h (Target::can_check_for_function_pointers): Rewrite.
309 Make non-virtual.
310 (Target::can_icf_inline_merge_sections): Likewise.
311 (Target::section_may_have_icf_unsafe_poineters): Likewise.
312 (Target::Target_info): Add can_icf_inline_merge_sections field.
313 (Target::do_can_check_for_function_pointers): New virtual
314 function.
315 (Target::do_section_may_have_icf_unsafe_pointers): Likewise.
316 * arm.cc (Target_arm::do_can_check_for_function_pointers): Rename
317 from can_check_for_function_pointers, move in file.
318 (Target_arm::do_section_may_have_icf_unsafe_pointers): Rename from
319 section_may_have_icf_unsafe_poineters, move in file.
320 (Target_arm::arm_info): Initialize can_icf_inline_merge_sections.
321 * i386.cc (Target_i386::do_can_check_for_function_pointers):
322 Rename from can_check_for_function_pointers, move in file.
323 (Target_i386::can_icf_inline_merge_sections): Remove.
324 (Target_i386::i386_info): Initialize
325 can_icf_inline_merge_sections.
326 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
327 Initialize can_icf_inline_merge_sections.
328 * sparc.cc (Target_sparc::sparc_info) [both version]: Likewise.
329 * x86_64.cc (Target_x86_64::do_can_check_for_function_pointers):
330 Rename from can_check_for_function_pointers, move in file.
331 (Target_x86_64::can_icf_inline_merge_sections): Remove.
332 (Target_x86_64::x86_64_info): Initialize
333 can_icf_inline_merge_sections.
334 * testsuite/testfile.cc (Target_test::test_target_info):
335 Likewise.
336 * icf.cc (get_section_contents): Correct formatting.
337
6d1c4efb
ILT		 3382011-06-27 Ian Lance Taylor <iant@google.com>
339
340 * symtab.cc (Symbol::versioned_name): New function.
341 (Symbol_table::add_to_final_symtab): Use versioned_name when
342 appropriate.
343 (Symbol_table::sized_write_symbol): Likewise.
344 * symtab.h (class Symbol): Declare versioned_name.
345 * stringpool.h (class Stringpool_template): Add variant of add
346 which takes a std::basic_string.
347 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_12.
348 (ver_test_12_SOURCES, ver_test_12_DEPENDENCIES): New variables.
349 (ver_test_12_LDFLAGS, ver_test_12_LDADD): New variables.
350 (ver_test_12.o): New target.
351 * testsuite/Makefile.in: Rebuild.
352
57eb9b50
DK		 3532011-06-27 Doug Kwan <dougkwan@google.com>
354
355 * arm.cc (Arm_relocate_functions::thm_jump8,
356 Arm_relocate_functions::thm_jump11): Use a wider signed
357 type to compute offset.
358 * testsuite/Makefile.am: Add new tests arm_thm_jump11 and
359 arm_thm_jump8.
360 * testsuite/Makefile.in: Regenerate.
361 * testsuite/arm_branch_in_range.sh: Check test results of
362 arm_thm_jump11 and arm_thm_jump8.
363 * testsuite/arm_thm_jump11.s: New test source file.
364 * testsuite/arm_thm_jump11.t: New linker script.
365 * testsuite/arm_thm_jump8.s: New test source file.
366 * testsuite/arm_thm_jump8.t: New linker script.
367
487b39df
ILT		 3682011-06-24 Ian Lance Taylor <iant@google.com>
369
370 * layout.cc: Include "object.h".
371 (ctors_sections_in_init_array): New static variable.
372 (Layout::is_ctors_in_init_array): New function.
373 (Layout::layout): Add entry to ctors_sections_in_init_array if
374 appropriate.
375 * layout.h (class Layout): Declare is_ctors_in_init_array.
376 * reloc.cc (Sized_relobj_file::do_relocate): Call reverse_words if
377 is_ctors_reverse_view is set.
378 (Sized_relobj_file::write_sections): Add layout parameter. Change
379 all callers. Set is_ctors_reverse_view field of View_size.
380 (Sized_relobj_file::reverse_words): New function.
381 * object.h (Sized_relobj_file::View_size): Add
382 is_ctors_reverse_view field.
383 (class Sized_relobj_file): Update declarations.
384 * testsuite/initpri3.c: New test.
385 * testsuite/Makefile.am: (check_PROGRAMS): Add initpri3a and
386 initpri3b.
387 (initpri3a_SOURCES, initpri3a_DEPENDENCIES): New variables.
388 (initpri3a_LDFLAGS, initpri3a_LDADD): New variables.
389 (initpri3b_SOURCES, initpri3b_DEPENDENCIES): New variables.
390 (initpri3b_LDFLAGS, initpri3b_LDADD): New variables.
391 * testsuite/Makefile.in: Rebuild.
392
472076e4
CC		 3932011-06-24 Cary Coutant <ccoutant@google.com>
394
395 * testsuite/Makefile.am: Add in-tree assembler to gcctestdir.
396 (debug_msg_cdebug.o, odr_violation1_cdebug.o, odr_violation2_cdebug.o)
397 (debug_msg_cdebug.err): New targets.
398 * testsuite/Makefile.in: Regenerate.
399 * testsuite/debug_msg.sh: Check output of link with compressed debug.
400 Fix checks for link with shared library.
401
a60af0db
DK		 4022011-06-24 Doug Kwan <dougkwan@google.com>
403
404 * arm.cc (Arm_output_section::append_text_sections_to_list): Do not
405 skip empty text sections.
406 * testsuite/arm_exidx_test.s: Test handling of an empty text section.
407
5393d741
ILT		 4082011-06-22 Ian Lance Taylor <iant@google.com>
409
410 PR gold/12910
411 * options.h (class General_options): Add --ctors-in-init-array.
412 * layout.cc (Layout::get_output_section): Treat SHT_INIT_ARRAY and
413 friends as SHT_PROGBITS for merging sections.
414 (Layout::layout): Remove special handling of .init_array and
415 friends. Don't sort if doing relocatable link. Sort for .ctors
416 and .dtors if ctors_in_init_array.
417 (Layout::make_output_section): Force correct section types for
418 .init_array and friends. Don't sort if doing relocatable link,
419 Don't sort .ctors and .dtors if ctors_in_init_array.
420 (Layout::section_name_mapping): Remove .ctors. and .dtorso.
421 (Layout::output_section_name): Add relobj parameter. Change all
422 callers. Handle .ctors. and .dtors. in code rather than table.
423 Handle .ctors and .dtors if ctors_in_init_array.
424 (Layout::match_file_name): New function, moved from output.cc.
425 * layout.h (class Layout): Update declarations.
426 * output.cc: Include "layout.h".
427 (Input_section_sort_entry::get_priority): New function.
428 (Input_section_sort_entry::match_file_name): Just call
429 Layout::match_file_name.
430 (Output_section::Input_section_sort_init_fini_compare::operator()):
431 Handle .ctors and .dtors. Sort by explicit priority rather than
432 by name.
433 * configure.ac: Remove CONSTRUCTOR_PRIORITY test and conditional.
434 * testsuite/initpri2.c: New test.
435 * testsuite/Makefile.am: Don't test CONSTRUCTOR_PRIORITY.
436 (check_PROGRAMS): Add initpri2.
437 (initpri2_SOURCES, initpri2_DEPENDENCIES): New variables.
438 (initpri2_LDFLAGS, initpri2_LDADD): New variables.
439 * configure, testsuite/Makefile.in: Rebuild.
440
e1f74f98
ILT		 4412011-06-19 Ian Lance Taylor <iant@google.com>
442
443 PR gold/12880
444 * layout.cc (Layout::attach_allocated_section_to_segment): Add a
445 .interp section to a PT_INTERP segment even if we have seen a
446 --dynamic-linker option. Don't do it if we have seen a PHDRS
447 clause in a linker script.
448 (Layout::finalize): Don't create a .interp section if we've
449 already create a PT_INTERP segment.
450 (Layout::create_interp): Always call choose_output_section (revert
451 patch of 2011-06-17). Don't create PT_INTERP segment.
452 * script-sections.cc
453 (Script_sections::create_note_and_tls_segments): Add a .interp
454 section to a PT_INTERP segment even if we have seen a
455 --dynamic-linker option.
456
766f91bb
ILT		 4572011-06-18 Ian Lance Taylor <iant@google.com>
458
459 * layout.cc (Layout::finish_dynamic_section): Don't set DT_TEXTREL
460 merely because a non-PT_LOAD segment has a dynamic reloc.
461
0d212c3a
ILT		 4622011-06-18 Ian Lance Taylor <iant@google.com>
463
464 * layout.cc (Layout::finish_dynamic_section): Don't create
465 DT_FLAGS entry if not needed.
466
911a5072
ILT		 4672011-06-18 Ian Lance Taylor <iant@google.com>
468
469 PR gold/12745
470 * layout.cc (Layout::layout_eh_frame): Correct handling of
471 writable .eh_frame section.
472
534b4e5f
ILT		 4732011-06-17 Ian Lance Taylor <iant@google.com>
474
475 PR gold/12893
476 * resolve.cc (Symbol_table::resolve): Don't give an error if a
477 symbol is redefined with the exact same object and value.
478
10b4f102
ILT		 4792011-06-17 Ian Lance Taylor <iant@google.com>
480
481 PR gold/12880
482 * layout.h (class Layout): Add interp_segment_ field.
483 * layout.cc (Layout::Layout): Initialize interp_segment_ field.
484 (Layout::attach_allocated_section_to_segment): If making shared
485 library, put .interp section in PT_INTERP segment.
486 (Layout::finalize): Also call create_interp if -dynamic-linker
487 option was used.
488 (Layout::create_interp): Assert that there is no PT_INTERP
489 segment. If not using a SECTIONS clause, use make_output_section.
490 (Layout::make_output_segment): Set interp_segment_ if PT_INTERP.
491 * script-sections.cc
492 (Script_sections::create_note_and_tls_segments): If making shared
493 library, put .interp section in PT_INTERP segment.
494
a29b0dad
ILT		 4952011-06-17 Ian Lance Taylor <iant@google.com>
496
e588ea8d
ILT		 497 * object.cc (Sized_relobj_file::do_layout): Keep warning sections
498 when making a shared library.
499
5002011-06-17 Ian Lance Taylor <iant@google.com>
501
502 * x86_64.cc (Target_x86_64::Scan::check_non_pic): Add gsym
503 parameter. Change all callers. Don't issue warning about PC32
504 against locally defined symbol.
a29b0dad 505
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ILT		 5062011-06-16 Ian Lance Taylor <iant@google.com>
507
508 * symtab.cc (Warnings::issue_warning): Don't warn if relocation
509 occurs in same object.
510
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AM		 5112011-06-14 Alan Modra <amodra@gmail.com>
512
513 * po/POTFILES.in: Regenerate.
514
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ILT		 5152011-06-09 Ian Lance Taylor <iant@google.com>
516
517 * script-sections.cc
518 (Orphan_output_section::set_section_addresses): For a relocatable
519 link set address to 0.
520
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522
523 PR gold/12804
524 * gold/gold.cc (queue_initial_tasks): Warn if --incremental is
525 used with --compress-debug-sections.
526 * gold/object.cc (Sized_relobj_file::do_layout): Report
527 uncompressed size of compressed input sections.
528
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CC		 5292011-06-08 Cary Coutant <ccoutant@google.com>
530
531 PR gold/12804
532 * testsuite/two_file_test_2_v1.cc: Change initialization of
533 v2 to keep it in .data.
534
e6455dfb
CC		 5352011-06-07 Cary Coutant <ccoutant@google.com>
536
537 * common.cc (Symbol_table::do_allocate_commons_list): Call
538 gold_fallback.
539 * errors.cc (Errors::fatal): Adjust call to gold_exit.
540 (Errors::fallback): New function.
541 (gold_fallback): New function.
542 * errors.h (Errors::fallback): New function.
543 * gold.cc (gold_exit): Change status parameter to enum; adjust
544 all callers.
545 (queue_initial_tasks): Call gold_fallback.
546 * gold.h: Include cstdlib.
547 (Exit_status): New enum type.
548 (gold_exit): Change status parameter to enum.
549 (gold_fallback): New function.
550 * layout.cc (Layout::set_section_offsets): Call gold_fallback.
551 (Layout::create_symtab_sections): Likewise.
552 (Layout::create_shdrs): Likewise.
553 * main.cc (main): Adjust call to gold_exit.
554 * output.cc (Output_data_got::add_got_entry): Call gold_fallback.
555 (Output_data_got::add_got_entry_pair): Likewise.
556 (Output_section::add_input_section): Likewise.
557 (Output_section::add_output_section_data): Likewise.
558 (Output_segment::set_section_list_addresses): Likewise.
559 * x86_64.cc (Output_data_plt_x86_64::add_entry): Likewise.
560
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562
563 * layout.cc (Layout::set_segment_offsets): Don't adjust layout
564 for incremental links.
565 * output.cc (Output_segment::set_section_list_addresses): Remove
566 FIXME and test for TLS or BSS.
567
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CC		 5682011-06-07 Cary Coutant <ccoutant@google.com>
569
570 * testsuite/Makefile.am: Add incremental_copy_test,
571 incremental_common_test_1.
572 * testsuite/Makefile.in: Regenerate.
573 * testsuite/common_test_1_v1.c: New source file.
574 * testsuite/common_test_1_v2.c: New source file.
575 * testsuite/copy_test_v1.cc: New source file.
576
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CC		 5772011-06-07 Cary Coutant <ccoutant@google.com>
578
579 * common.cc (Symbol_table::do_allocate_commons_list): For incremental
580 update, allocate common from bss section's free list.
581 * incremental-dump.cc (dump_incremental_inputs): Print flag for
582 linker-defined symbols.
583 * incremental.cc (Sized_incremental_binary::do_process_got_plt):
584 Skip GOT and PLT entries that are no longer referenced.
585 (Output_section_incremental_inputs::write_info_blocks): Mark
586 linker-defined symbols.
587 (Sized_incr_relobj::do_add_symbols): Process linker-defined symbols.
588 * output.cc (Output_section::allocate): New function.
589 * output.h (Output_section::allocate): New function.
590 * resolve.cc (Symbol_table::report_resolve_problem): Add case for
591 linker-defined symbols.
592 (Symbol::override_base_with_special): Copy is_predefined_ flag.
593 * symtab.cc (Symbol::init_fields): Initialize is_predefined_ flag.
594 (Symbol::init_base_output_data): Likewise.
595 (Symbol::init_base_output_segment): Likewise.
596 (Symbol::init_base_constant): Likewise.
597 (Sized_symbol::init_output_data): Likewise.
598 (Sized_symbol::init_output_segment): Likewise.
599 (Sized_symbol::init_constant): Likewise.
600 (Symbol_table::do_define_in_output_data): Likewise.
601 (Symbol_table::do_define_in_output_segment): Likewise.
602 (Symbol_table::do_define_as_constant): Likewise.
603 * symtab.h (Symbol::is_predefined): New function.
604 (Symbol::init_base_output_data): Add is_predefined parameter.
605 (Symbol::init_base_output_segment): Likewise.
606 (Symbol::init_base_constant): Likewise.
607 (Symbol::is_predefined_): New data member.
608 (Sized_symbol::init_output_data): Add is_predefined parameter.
609 (Sized_symbol::init_output_segment): Likewise.
610 (Sized_symbol::init_constant): Likewise.
611 (enum Symbol_table::Defined): Add INCREMENTAL_BASE.
612
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CC		 6132011-06-07 Cary Coutant <ccoutant@google.com>
614
615 * copy-relocs.cc (Copy_relocs::copy_reloc): Call make_copy_reloc
616 instead of emit_copy_reloc.
617 (Copy_relocs::emit_copy_reloc): Refactor.
618 (Copy_relocs::make_copy_reloc): New function.
619 (Copy_relocs::add_copy_reloc): Remove.
620 * copy-relocs.h (Copy_relocs::emit_copy_reloc): Move to public
621 section.
622 (Copy_relocs::make_copy_reloc): New function.
623 (Copy_relocs::add_copy_reloc): Remove.
624 * gold.cc (queue_middle_tasks): Emit old COPY relocations from
625 unchanged input files.
626 * incremental-dump.cc (dump_incremental_inputs): Print "COPY" flag.
627 * incremental.cc (Sized_incremental_binary::do_reserve_layout):
628 Reserve BSS space for COPY relocations.
629 (Sized_incremental_binary::do_emit_copy_relocs): New function.
630 (Output_section_incremental_inputs::write_info_blocks): Record
631 whether a symbol is copied from a shared object.
632 (Sized_incr_dynobj::do_add_symbols): Record COPY relocations.
633 * incremental.h (enum Incremental_shlib_symbol_flags): New type.
634 (INCREMENTAL_SHLIB_SYM_FLAGS_SHIFT): New constant.
635 (Incremental_input_entry_reader::get_output_symbol_index): Add
636 is_copy parameter.
637 (Incremental_binary::emit_copy_relocs): New function.
638 (Incremental_binary::do_emit_copy_relocs): New function.
639 (Sized_incremental_binary::Sized_incremental_binary): Initialize
640 new data member.
641 (Sized_incremental_binary::add_copy_reloc): New function.
642 (Sized_incremental_binary::do_emit_copy_relocs): New function.
643 (Sized_incremental_binary::Copy_reloc): New struct.
644 (Sized_incremental_binary::Copy_relocs): New typedef.
645 (Sized_incremental_binary::copy_relocs_): New data member.
646 * symtab.cc (Symbol_table::add_from_incrobj): Change return type.
647 * symtab.h (Symbol_table::add_from_incrobj): Change return type.
648 * target.h (Sized_target::emit_copy_reloc): New function.
649 * x86_64.cc (Target_x86_64::emit_copy_reloc): New function.
650
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652
653 PR gold/12163
654 * gold/archive.cc (Archive::Archive): Initialize new data member.
655 (Archive::include_all_members): Return if archive has already been
656 included.
657 * gold/archive.h (Archive::include_all_members_): New data member.
658
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NC		 6592011-06-02 Nick Clifton <nickc@redhat.com>
660
661 * dynobj.h: Fix spelling mistake in comment.
662 * output.cc: Likewise.
663
f62a3ca7
DK		 6642011-05-31 Doug Kwan <dougkwan@google.com>
665 Asier Llano
666
667 PR gold/12826
cc643b88 668 * arm.cc (Target_arm::tag_cpu_arch_combine): Fix handling of
f62a3ca7
DK		 669 arch value that equals to elfcpp::MAX_TAG_CPU_ARCH.
670 * testsuite/Makefile.am: (MOSTLYCLEANFILES): Clean up. Remove
671 redundant arm_exidx_test.so.
672 * testsuite/Makefile.in: Regenerate.
673 (check_SCRIPTS): Add pr12826.sh
674 (check_DATA): Add pr12826.stdout
675 (pr12826.stdout, pr12826.so, pr12826_1.o, pr12826_2.o): New rules.
676 * testsuite/pr12826.sh: New file.
677 * testsuite/pr12826_1.s: Ditto.
678 * testsuite/pr12826_1.s: Ditto.
679
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681
682 * reloc.cc (Sized_relobj_file::do_read_relocs): Ignore empty reloc
683 sections.
684
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ILT		 6852011-05-29 Ian Lance Taylor <iant@google.com>
686
687 PR gold/12804
688 * testsuite/Makefile.am: Use different file name for two_file_test
689 temporary file for each incremental test.
690 * testsuite/Makefile.in: Rebuild.
691
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ILT		 6922011-05-29 Ian Lance Taylor <iant@google.com>
693
694 * binary.cc (Binary_to_elf::sized_convert): Don't crash if the
695 binary input file is empty.
696
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698
699 * testsuite/Makefile.am (ver_test_2.so): Use -Wl,-R,.
700 (ver_test_9.so): Likewise.
701 * testsuite/Makefile.in: Rebuild.
702
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704
705 * incremental-dump.cc (dump_incremental_inputs): Print COMDAT groups.
706 * incremental.cc (Incremental_inputs::report_input_section): Fix
707 comment, indentation.
708 (Incremental_inputs::report_comdat_group): New function.
709 (Output_section_incremental_inputs::set_final_data_size): Adjust size
710 of data for incremental input file entry.
711 (Output_section_incremental_inputs::write_info_blocks): Write COMDAT
712 group count, COMDAT group signatures.
713 (Sized_incr_relobj::do_layout): Record kept COMDAT group info from
714 an unchanged input file.
715 * incremental.h (Incremental_object_entry::Incremental_object_entry):
716 Initialize new data member.
717 (Incremental_object_entry::add_comdat_group): New function.
718 (Incremental_object_entry::get_comdat_group_count): New function.
719 (Incremental_object_entry::get_comdat_signature_key): New function.
720 (Incremental_object_entry::groups_): New data member.
721 (Incremental_inputs::report_comdat_group): New function.
722 (Incremental_input_entry_reader::get_symbol_offset): Adjust size of
723 data for incremental input file entry.
724 (Incremental_input_entry_reader::get_comdat_group_count): New function.
725 (Incremental_input_entry_reader::get_input_section): Adjust size of
726 data for incremental input file entry.
727 (Incremental_input_entry_reader::get_global_symbol_reader): Likewise.
728 (Incremental_input_entry_reader::get_comdat_group_signature): New
729 function.
730 * object.cc (Sized_relobj::include_section_group): Report kept
731 COMDAT groups for incremental links.
732
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734
735 * dirsearch.cc (Dirsearch::find): Replace n1 and n2 parameters
736 with name parameter. Add found_name parameter.
737 * fileread.cc (Input_file::find_file): Adjust code accordingly.
738 * dirsearch.h (class Dirsearch): Update declaration.
739
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ILT		 7402011-05-24 Ian Lance Taylor <iant@google.com>
741
742 * archive.cc (Library_base::should_include_member): Pull in object
743 from archive if it defines the entry symbol.
744 * parameters.cc (Parameters::entry): New function.
745 * parameters.h (class Parameters): Declare entry.
746 * output.h (class Output_file_header): Remove entry_ field.
747 * output.cc (Output_file_header::Output_file_header): Remove entry
748 parameter. Change all callers.
749 (Output_file_header::entry): Use parameters->entry.
750 * gold.cc (queue_middle_tasks): Likewise.
751 * plugin.cc (Plugin_hook::run): Likewise.
752
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754
755 * gold.cc (queue_initial_tasks): Pass incremental base filename
756 to Output_file::open_base_file; don't print error message.
757 * incremental-dump.cc (main): Adjust call to
758 Output_file::open_for_modification.
759 * incremental-dump.cc (main): Likewise.
760 * incremental.cc (Incremental_inputs::report_command_line):
761 Ignore --incremental-base option when comparing command lines.
762 Ignore parameter when given as separate argument.
763 * options.h (class General_options): Add --incremental-base.
764 * output.cc (Output_file::Output_file):
765 (Output_file::open_base_file): Add base_name and writable parameters;
766 read base file into new file; print error message here.
767 (Output_file::map_no_anonymous): Add writable parameter; adjust all
768 callers.
769 * output.h (Output_file::open_for_modification): Rename to...
770 (Output_file::open_base_file): ...this; add base_name and
771 writable parameters; adjust all callers.
772 (Output_file::map_no_anonymous): Add writable parameter; adjust all
773 callers.
774 * testsuite/Makefile.am (incremental_test_4): Test
775 --incremental-base.
776 * testsuite/Makefile.in: Regenerate.
777
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779
780 * testsuite/Makefile.am: Add incremental_test_2, incremental_test_3,
781 incremental_test_4.
782 * testsuite/Makefile.in: Regenerate.
783 * testsuite/two_file_test_1_v1.cc: New test source file.
784 * testsuite/two_file_test_1b_v1.cc: New test source file.
785 * testsuite/two_file_test_2_v1.cc: New test source file.
786
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CC		 7872011-05-24 Cary Coutant <ccoutant@google.com>
788
789 * dynobj.h (Dynobj::do_dynobj): New function.
790 * incremental-dump.cc (dump_incremental_inputs): Print as_needed
791 flag and soname for shared objects.
792 * incremental.cc (Incremental_inputs::report_object): Make
793 either Incremental_object_entry or Incremental_dynobj_entry; add
794 soname to string table.
795 (Incremental_inputs::report_input_section): Add assertion.
796 (Output_section_incremental_inputs::set_final_data_size): Adjust
797 type of input file entry for shared libraries; adjust size of
798 shared library info entry.
799 (Output_section_incremental_inputs::write_input_files): Write
800 as_needed flag for shared libraries.
801 (Output_section_incremental_inputs::write_info_blocks): Adjust type
802 of input file entry for shared libraries; write soname.
803 (Sized_incr_dynobj::Sized_incr_dynobj): Read as_needed flag and
804 soname from incremental info.
805 * incremental.h (enum Incremental_input_flags): Add
806 INCREMENTAL_INPUT_AS_NEEDED.
807 (Incremental_input_entry::Incremental_input_entry): Initialize new
808 data member.
809 (Incremental_input_entry::set_as_needed): New function.
810 (Incremental_input_entry::as_needed): New function.
811 (Incremental_input_entry::do_dynobj_entry): New function.
812 (Incremental_input_entry::as_needed_): New data member.
813 (Incremental_object_entry::Incremental_object_entry): Don't check
814 for shared library.
815 (Incremental_object_entry::do_type): Likewise.
816 (class Incremental_dynobj_entry): New class.
817 (Incremental_input_entry_reader::as_needed): New function.
818 (Incremental_input_entry_reader::get_soname): New function.
819 (Incremental_input_entry_reader::get_global_symbol_count): Rewrite.
820 (Incremental_input_entry_reader::get_output_symbol_index): Adjust
821 size of shared library info entry.
822 * layout.cc (Layout::finish_dynamic_section): Don't test for
823 incremental link when adding DT_NEEDED entries.
824 * object.h (Object::Object): Initialize new data member.
825 (Object::dynobj): New function.
826 (Object::set_as_needed): New function.
827 (Object::as_needed): New function.
828 (Object::do_dynobj): New function.
829 (Object::as_needed_): New data member.
830
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832
833 * incremental-dump.cc (dump_incremental_inputs): Print dynamic reloc
834 info; adjust display of GOT entries.
835 * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
836 vector of input objects; remove file_status_.
837 (Sized_incremental_binary::do_reserve_layout): Remove file_status_.
838 (Sized_incremental_binary::do_process_got_plt): Adjust calls to
839 got_plt reader; call target hooks to reserve GOT entries.
840 (Output_section_incremental_inputs::set_final_data_size): Adjust size
841 of input file info header and GOT info entry.
842 (Output_section_incremental_inputs::write_info_blocks): Write dynamic
843 relocation info.
844 (Got_plt_view_info::got_descriptor): Remove.
845 (Got_plt_view_info::sym_index): New data member.
846 (Got_plt_view_info::input_index): New data member.
847 (Local_got_offset_visitor::visit): Write input file index.
848 (Global_got_offset_visitor::visit): Write 0 for input file index.
849 (Global_symbol_visitor_got_plt::operator()): Replace got_descriptor
850 with sym_index and input_index.
851 (Output_section_incremental_inputs::write_got_plt): Adjust size of
852 incremental info GOT entry; replace got_descriptor with input_index.
853 (Sized_relobj_incr::Sized_relobj_incr): Adjust initializers; record
854 map from input file index to object.
855 (Sized_relobj_incr::do_layout): Replace direct data member reference
856 with accessor function.
857 (Sized_relobj_incr::do_for_all_local_got_entries): Move to base class.
858 * incremental.h (Incremental_input_entry_reader::get_symbol_offset):
859 Adjust size of input file info header.
860 (Incremental_input_entry_reader::get_first_dyn_reloc): New function.
861 (Incremental_input_entry_reader::get_dyn_reloc_count): New function.
862 (Incremental_input_entry_reader::get_input_section): Adjust size of
863 input file info header.
864 (Incremental_got_plt_reader::Incremental_got_plt_reader): Adjust size
865 of incremental info GOT entry.
866 (Incremental_got_plt_reader::get_got_desc): Remove.
867 (Incremental_got_plt_reader::get_got_symndx): New function.
868 (Incremental_got_plt_reader::get_got_input_index): New function.
869 (Sized_incremental_binary::Sized_incremental_binary): Remove
870 file_status_; add input_objects_.
871 (Sized_incremental_binary::~Sized_incremental_binary): Remove.
872 (Sized_incremental_binary::set_file_is_unchanged): Remove.
873 (Sized_incremental_binary::file_is_unchanged): Remove.
874 (Sized_incremental_binary::set_input_object): New function.
875 (Sized_incremental_binary::input_object): New function.
876 (Sized_incremental_binary::file_status_): Remove.
877 (Sized_incremental_binary::input_objects_): New data member.
878 (Sized_relobj_incr): Rename Sized_incr_relobj to this; adjust all
879 references.
880 (Sized_relobj_incr::invalid_address): Move to base class.
881 (Sized_relobj_incr::is_output_section_offset_invalid): Move to base
882 class.
883 (Sized_relobj_incr::do_output_section_offset): Likewise.
884 (Sized_relobj_incr::do_for_all_local_got_entries): Likewise.
885 (Sized_relobj_incr::section_offsets_): Likewise.
886 * object.cc (Sized_relobj::do_for_all_local_got_entries): New
887 function.
888 (Sized_relobj_file::Sized_relobj_file): Remove local_got_offsets_.
889 (Sized_relobj_file::layout_section): Replace refs to section_offsets_
890 with accessor function.
891 (Sized_relobj_file::do_layout): Likewise.
892 (Sized_relobj_file::do_layout_deferred_sections): Likewise.
893 (Sized_relobj_file::do_for_all_local_got_entries): Move to base class.
894 (Sized_relobj_file::compute_final_local_value): Replace refs to
895 section_offsets_ with accessor function.
896 (Sized_relobj_file::do_finalize_local_symbols): Likewise.
897 * object.h (Relobj::Relobj): Initialize new data members.
898 (Relobj::add_dyn_reloc): New function.
899 (Relobj::first_dyn_reloc): New function.
900 (Relobj::dyn_reloc_count): New function.
901 (Relobj::first_dyn_reloc_): New data member.
902 (Relobj::dyn_reloc_count_): New data member.
903 (Sized_relobj): Rename Sized_relobj_base to this; adjust all
904 references.
905 (Sized_relobj::Address): New typedef.
906 (Sized_relobj::invalid_address): Move here from child class.
907 (Sized_relobj::Sized_relobj): Initialize new data members.
908 (Sized_relobj::sized_relobj): New function.
909 (Sized_relobj::is_output_section_offset_invalid): Move here from
910 child class.
911 (Sized_relobj::get_output_section_offset): Likewise.
912 (Sized_relobj::local_has_got_offset): Likewise.
913 (Sized_relobj::local_got_offset): Likewise.
914 (Sized_relobj::set_local_got_offset): Likewise.
915 (Sized_relobj::do_for_all_local_got_entries): Likewise.
916 (Sized_relobj::clear_got_offsets): New function.
917 (Sized_relobj::section_offsets): Move here from child class.
918 (Sized_relobj::do_output_section_offset): Likewise.
919 (Sized_relobj::do_set_section_offset): Likewise.
920 (Sized_relobj::Local_got_offsets): Likewise.
921 (Sized_relobj::local_got_offsets_): Likewise.
922 (Sized_relobj::section_offsets_): Likewise.
923 (Sized_relobj_file): Rename Sized_relobj to this; adjust all
924 references.
925 (Sized_relobj_file::is_output_section_offset_invalid): Move to base
926 class.
927 (Sized_relobj_file::sized_relobj): New function
928 (Sized_relobj_file::local_has_got_offset): Move to base class.
929 (Sized_relobj_file::local_got_offset): Likewise.
930 (Sized_relobj_file::set_local_got_offset): Likewise.
931 (Sized_relobj_file::get_output_section_offset): Likewise.
932 (Sized_relobj_file::do_for_all_local_got_entries): Likewise.
933 (Sized_relobj_file::do_output_section_offset): Likewise.
934 (Sized_relobj_file::do_set_section_offset): Likewise.
935 (Sized_relobj_file::Local_got_offsets): Likewise.
936 (Sized_relobj_file::local_got_offsets_): Likewise.
937 (Sized_relobj_file::section_offsets_): Likewise.
938 * output.cc (Output_reloc::Output_reloc): Adjust type of relobj
939 (all constructors).
940 (set_needs_dynsym_index): Convert relobj to derived class pointer.
941 (Output_reloc::get_symbol_index): Likewise.
942 (Output_reloc::local_section_offset): Likewise.
943 (Output_reloc::get_address): Likewise.
944 (Output_reloc::symbol_value): Likewise.
945 (Output_data_got::reserve_slot): Move to class definition.
946 (Output_data_got::reserve_local): New function.
947 (Output_data_got::reserve_slot_for_global): Remove.
948 (Output_data_got::reserve_global): New function.
949 * output.h (Output_reloc::Output_reloc): Adjust type of relobj
950 (all constructors, two instantiations).
951 (Output_reloc::get_relobj): New function (two instantiations).
952 (Output_reloc::u1_.relobj, Output_reloc::u2_.relobj): Adjust type.
953 (Output_data_reloc_base::add): Convert relobj to derived class pointer.
954 (Output_data_reloc::add_global): Adjust type of relobj.
955 (Output_data_reloc::add_global_relative): Likewise.
956 (Output_data_reloc::add_symbolless_global_addend): Likewise.
957 (Output_data_reloc::add_local): Likewise.
958 (Output_data_reloc::add_local_relative): Likewise.
959 (Output_data_reloc::add_symbolless_local_addend): Likewise.
960 (Output_data_reloc::add_local_section): Likewise.
961 (Output_data_reloc::add_output_section): Likewise.
962 (Output_data_reloc::add_absolute): Likewise.
963 (Output_data_reloc::add_target_specific): Likewise.
964 (Output_data_got::reserve_slot): Move definition here.
965 (Output_data_got::reserve_local): New function.
966 (Output_data_got::reserve_global): New function.
967 * reloc.cc (Sized_relobj_file::do_read_relocs): Replace refs to
968 section_offsets_ with accessor function.
969 (Sized_relobj_file::write_sections): Likewise.
970 (Sized_relobj_file::do_relocate_sections): Likewise.
971 * target.h (Sized_target::reserve_local_got_entry): New function.
972 (Sized_target::reserve_global_got_entry): New function.
973 * x86_64.cc (Target_x86_64::reserve_local_got_entry): New function.
974 (Target_x86_64::reserve_global_got_entry): New function.
975 (Target_x86_64::init_got_plt_for_update): Create rela_dyn section.
976
4829d394
CC		 9772011-05-23 Cary Coutant <ccoutant@google.com>
978
979 * gold.cc (queue_middle_tasks): Process existing GOT/PLT entries.
980 * incremental-dump.cc (dump_incremental_inputs): Mask high-order
981 bit when checking got_type.
982 * incremental.cc (Sized_incremental_binary::setup_readers):
983 Store symbol table and string table locations; initialize bit vector
984 of file status flags.
985 (Sized_incremental_binary::do_reserve_layout): Set bit flag for
986 unchanged files.
987 (Sized_incremental_binary::do_process_got_plt): New function.
988 (Sized_incremental_binary::get_symtab_view): Use stored locations.
989 (Output_section_incremental_inputs::set_final_data_size): Record
990 file index for each input file.
991 (Output_section_incremental_inputs::write_got_plt): Store file index
992 instead of input entry offset for each GOT entry.
993 * incremental.h
994 (Incremental_input_entry::Incremental_input_entry): Initialize new
995 data member.
996 (Incremental_input_entry::set_offset): Store file index.
997 (Incremental_input_entry::get_file_index): New function.
998 (Incremental_input_entry::file_index_): New data member.
999 (Incremental_binary::process_got_plt): New function.
1000 (Incremental_binary::do_process_got_plt): New function.
1001 (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1002 data members.
1003 (Sized_incremental_binary::~Sized_incremental_binary): New destructor.
1004 (Sized_incremental_binary::set_file_is_unchanged): New function.
1005 (Sized_incremental_binary::file_is_unchanged): New function.
1006 (Sized_incremental_binary::do_process_got_plt): New function.
1007 (Sized_incremental_binary::file_status_): New data member.
1008 (Sized_incremental_binary::main_symtab_loc_): New data member.
1009 (Sized_incremental_binary::main_strtab_loc_): New data member.
1010 * output.cc (Output_data_got::Got_entry::write): Add case
1011 RESERVED_CODE.
1012 (Output_data_got::add_global): Call add_got_entry.
1013 (Output_data_got::add_global_plt): Likewise.
1014 (Output_data_got::add_global_with_rel): Likewise.
1015 (Output_data_got::add_global_with_rela): Likewise.
1016 (Output_data_got::add_global_pair_with_rel): Call add_got_entry_pair.
1017 (Output_data_got::add_global_pair_with_rela): Likewise.
1018 (Output_data_got::add_local): Call add_got_entry.
1019 (Output_data_got::add_local_plt): Likewise.
1020 (Output_data_got::add_local_with_rel): Likewise.
1021 (Output_data_got::add_local_with_rela): Likewise.
1022 (Output_data_got::add_local_pair_with_rel): Call add_got_entry_pair.
1023 (Output_data_got::add_local_pair_with_rela): Likewise.
1024 (Output_data_got::reserve_slot): New function.
1025 (Output_data_got::reserve_slot_for_global): New function.
1026 (Output_data_got::add_got_entry): New function.
1027 (Output_data_got::add_got_entry_pair): New function.
1028 (Output_section::add_output_section_data): Edit FIXME.
1029 * output.h
1030 (Output_section_data_build::Output_section_data_build): New
1031 constructor with size parameter.
1032 (Output_data_space::Output_data_space): Likewise.
1033 (Output_data_got::Output_data_got): Initialize new data member; new
1034 constructor with size parameter.
1035 (Output_data_got::add_constant): Call add_got_entry.
1036 (Output_data_got::reserve_slot): New function.
1037 (Output_data_got::reserve_slot_for_global): New function.
1038 (class Output_data_got::Got_entry): Add RESERVED_CODE.
1039 (Output_data_got::add_got_entry): New function.
1040 (Output_data_got::add_got_entry_pair): New function.
1041 (Output_data_got::free_list_): New data member.
1042 * target.h (Sized_target::init_got_plt_for_update): New function.
1043 (Sized_target::register_global_plt_entry): New function.
1044 * x86_64.cc (Output_data_plt_x86_64::Output_data_plt_x86_64):
1045 Initialize new data member; call init; add constructor with PLT count.
1046 (Output_data_plt_x86_64::init): New function.
1047 (Output_data_plt_x86_64::add_relocation): New function.
1048 (Output_data_plt_x86_64::reserve_slot): New function.
1049 (Output_data_plt_x86_64::free_list_): New data member.
1050 (Target_x86_64::init_got_plt_for_update): New function.
1051 (Target_x86_64::register_global_plt_entry): New function.
1052 (Output_data_plt_x86_64::add_entry): Allocate from free list for
1053 incremental updates.
1054 (Output_data_plt_x86_64::add_relocation): New function.
1055 * testsuite/object_unittest.cc (Object_test): Set default options.
1056
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ILT		 10572011-05-16 Ian Lance Taylor <iant@google.com>
1058
1059 * options.h (class General_options): Make -i a synonym for -r.
1060
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ILT		 10612011-05-16 Ian Lance Taylor <iant@google.com>
1062
1063 * testsuite/tls_test_main.cc: Use semaphores instead of mutexes.
1064
403676b5
CC		 10652011-05-10 Cary Coutant <ccoutant@google.com>
1066
1067 * object.cc (Sized_relobj::do_count_local_symbols): Check for
1068 strip_all (-s).
1069
5b7b7d6e
ILT		 10702011-05-06 Ian Lance Taylor <iant@google.com>
1071
1072 * layout.cc (Layout::layout): If the output section flags change,
1073 update the ordering.
1074
f0f9babf
CC		 10752011-04-25 Cary Coutant <ccoutant@google.com>
1076
1077 * incremental-dump.cc (dump_incremental_inputs): Print local
1078 symbol info for each input file.
1079 * incremental.cc
1080 (Output_section_incremental_inputs::set_final_data_size): Add local
1081 symbol info to input file entries in incremental info.
1082 (Output_section_incremental_inputs::write_info_blocks): Likewise.
1083 (Sized_incr_relobj::Sized_incr_relobj): Initialize new data members.
1084 (Sized_incr_relobj::do_add_symbols): Cosmetic change.
1085 (Sized_incr_relobj::do_count_local_symbols): Replace stub with
1086 implementation.
1087 (Sized_incr_relobj::do_finalize_local_symbols): Likewise.
1088 (Sized_incr_relobj::do_relocate): Write the local symbols.
1089 (Sized_incr_dynobj::do_add_symbols): Cosmetic change.
1090 * incremental.h (Incremental_inputs_reader::get_symbol_offset):
1091 Adjust size of input file header.
1092 (Incremental_inputs_reader::get_local_symbol_offset): New function.
1093 (Incremental_inputs_reader::get_local_symbol_count): New function.
1094 (Incremental_inputs_reader::get_input_section): Adjust size of input
1095 file header.
1096 (Incremental_inputs_reader::get_global_symbol_reader): Likewise.
1097 (Sized_incr_relobj::This): New typedef.
1098 (Sized_incr_relobj::sym_size): New const data member.
1099 (Sized_incr_relobj::Local_symbol): New struct.
1100 (Sized_incr_relobj::do_output_local_symbol_count): New function.
1101 (Sized_incr_relobj::do_local_symbol_offset): New function.
1102 (Sized_incr_relobj::local_symbol_count_): New data member.
1103 (Sized_incr_relobj::output_local_dynsym_count_): New data member.
1104 (Sized_incr_relobj::local_symbol_index_): New data member.
1105 (Sized_incr_relobj::local_symbol_offset_): New data member.
1106 (Sized_incr_relobj::local_dynsym_offset_): New data member.
1107 (Sized_incr_relobj::local_symbols_): New data member.
1108 * object.h (Relobj::output_local_symbol_count): New function.
1109 (Relobj::local_symbol_offset): New function.
1110 (Relobj::do_output_local_symbol_count): New function.
1111 (Relobj::do_local_symbol_offset): New function.
1112 (Sized_relobj::do_output_local_symbol_count): New function.
1113 (Sized_relobj::do_local_symbol_offset): New function.
1114
d0a9ace3
ILT		 11152011-04-22 Vladimir Simonov <sv@sw.ru>
1116
1117 * descriptors.cc (set_close_on_exec): New function.
1118 (Descriptors::open): Use set_close_on_exec.
1119 * output.cc (S_ISLNK): Define if not defined.
1120
94a3fc8b
CC		 11212011-04-22 Cary Coutant <ccoutant@google.com>
1122
1123 * incremental.cc (Sized_incremental_binary::setup_readers): Allocate
1124 global symbol map.
1125 (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1126 (Sized_incr_relobj::do_add_symbols): Add symbols to global symbol map.
1127 (Sized_incr_relobj::do_relocate): Remap section indices in incremental
1128 relocations.
1129 (Sized_incr_dynobj::do_add_symbols): Add symbols to global symbol map.
1130 (Sized_incr_dynobj::do_for_all_global_symbols): Remove FIXME.
1131 (Sized_incr_dynobj::do_for_all_local_got_entries): Likewise.
1132 * incremental.h
1133 (Incremental_inputs_reader::global_symbol_reader_at_offset): New
1134 function.
1135 (Incremental_binary::apply_incremental_relocs): New function.
1136 (Incremental_binary::do_apply_incremental_relocs): New function.
1137 (Sized_incremental_binary::Sized_incremental_binary): Initialize new
1138 data member.
1139 (Sized_incremental_binary::add_global_symbol): New function.
1140 (Sized_incremental_binary::global_symbol): New function.
1141 (Sized_incremental_binary::do_apply_incremental_relocs): New function.
1142 (Sized_incremental_binary::symbol_map_): New data member.
1143 * layout.cc (Layout_task_runner::run): Apply incremental relocations.
1144 * target.h (Sized_target::apply_relocation): New function.
1145 * target-reloc.h (apply_relocation): New function.
1146 * x86_64.cc (Target_x86_64::apply_relocation): New function.
1147
c87e4302
DK		 11482011-04-22 Doug Kwan <dougkwan@google.com>
1149
1150 * arm.cc (Arm_output_section::Arm_output_section): Set SHF_LINK_ORDER
1151 flag of a SHT_ARM_EXIDX section.
1152 * testsuite/Makefile.am (arm_exidx_test): New test rules.
1153 * testsuite/Makefile.in: Regenerate.
1154 * testsuite/arm_exidx_test.s: New file.
1155 * testsuite/arm_exidx_test.sh: Same.
1156
e7782cf6
CC		 11572011-04-20 Cary Coutant <ccoutant@google.com>
1158
1159 PR gold/12689
1160 * archive.h (Incremental_archive_entry::Archive_member):
1161 Initialize arg_serial_ (second constructor).
1162
308ecdc7
ILT		 11632011-04-17 Ian Lance Taylor <iant@google.com>
1164
1165 * object.cc (Relocate_info::location): Simplify location string.
1166 * errors.cc (Errors::error_at_location): Don't print program
1167 name.
1168 (Errors::warning_at_location): Likewise.
1169 (Errors::undefined_symbol): Likewise.
1170 * testsuite/debug_msg.sh: Update accordingly.
1171
bec5b579
CC		 11722011-04-14 Cary Coutant <ccoutant@google.com>
1173
1174 * gold/layout.cc (Layout::symtab_section_offset): New function.
1175 * gold/layout.h (Layout::symtab_section_offset): New function.
1176 * gold/reloc.cc (Sized_relobj::do_relocate): Call it.
1177
88597d34
ILT		 11782011-04-12 Ian Lance Taylor <iant@google.com>
1179
1180 * configure.ac: Check for sys/mman.h and mmap. Check for mremap
1181 with MREMAP_MAYMOVE.
1182 * output.h (class Output_file): Add map_is_allocated_ field.
1183 * output.cc: Only #include <sys/mman.h> if it exists. If mmap is
1184 not available, provide stubs. If mremap is not available, #define
1185 it to gold_mremap.
1186 (MREMAP_MAYMOVE): Define if not defined.
1187 (Output_file::Output_file): Initialize map_is_allocated_.
1188 (Output_file::resize): Check map_is_allocated_.
1189 (Output_file::map_anonymous): If mmap fails, use malloc.
1190 (Output_file::unmap): Don't do anything for an anonymous map.
1191 * fileread.cc: Only #include <sys/mman.h> if it exists. If mmap
1192 is not available, provide stubs.
1193 (File_read::View::~View): Use free rather than delete[].
1194 (File_read::make_view): Use malloc rather than new[]. If mmap
1195 fails, use malloc.
1196 (File_read::find_or_make_view): Use malloc rather than new[].
1197 * gold.h: Remove HAVE_REMAP code.
1198 * mremap.c: #include <errno.h>. Only #include <sys/mman.h> if it
1199 exists. Rename mremap to gold_mremap. If mmap is not available
1200 don't do anything.
1201 * configure, config.in: Rebuild.
1202
11e361bc
ILT		 12032011-04-11 Ian Lance Taylor <iant@google.com>
1204
1205 * incremental.cc (Sized_incr_relobj::do_add_symbols): Always
1206 initialize local variable v.
1207
cdc29364
CC		 12082011-04-11 Cary Coutant <ccoutant@google.com>
1209
1210 * archive.cc (Archive::include_member): Adjust call to
1211 report_object.
1212 (Add_archive_symbols::run): Track argument serial numbers.
1213 (Lib_group::include_member): Likewise.
1214 (Add_lib_group_symbols::run): Adjust call to report_archive_begin.
1215 * archive.h (Incremental_archive_entry::Archive_member):
1216 Initialize arg_serial_.
1217 (Archive_member::arg_serial_): New data member.
1218 * dynobj.cc (Dynobj::Dynobj): Allow input_file_ to be NULL.
1219 (Sized_dynobj::do_add_symbols): Track symbols when doing an
1220 incremental link.
1221 (Sized_dynobj::do_for_all_local_got_entries): New function.
1222 * dynobj.h: (Sized_dynobj::do_for_all_local_got_entries): New
1223 function.
1224 * fileread.cc (get_mtime): New function.
1225 * fileread.h (get_mtime): New function.
1226 * gold.cc (queue_initial_tasks): Check for incremental update.
1227 (process_incremental_input): New function.
1228 (queue_middle_tasks): Don't force valid target for incremental
1229 update.
1230 * incremental-dump.cc (find_input_containing_global): Adjust
1231 size of symbol info entry.
1232 (dump_incremental_inputs): Dump argument serial number and
1233 in_system_directory flag; bias shndx by 1; print symbol names
1234 when dumping per-file symbol lists; use new symbol info readers.
1235 * incremental.cc
1236 (Output_section_incremental_inputs:update_data_size): New function.
1237 (Sized_incremental_binary::setup_readers): Setup input readers
1238 for each input file; build maps for files added from libraries
1239 and scripts.
1240 (Sized_incremental_binary::check_input_args): New function.
1241 (Sized_incremental_binary::do_check_inputs): Build map of argument
1242 serial numbers to input arguments.
1243 (Sized_incremental_binary::do_file_has_changed): Rename
1244 do_file_is_unchanged to this; compare file modification times.
1245 (Sized_incremental_binary::do_init_layout): New function.
1246 (Sized_incremental_binary::do_reserve_layout): New function.
1247 (Sized_incremental_binary::do_get_input_reader): Remove.
1248 (Sized_incremental_binary::get_symtab_view): New function.
1249 (Incremental_checker::can_incrementally_link_output_file): Remove.
1250 (Incremental_inputs::report_command_line): Exclude --debug options.
1251 (Incremental_inputs::report_archive_begin): Add parameter; track
1252 argument serial numbers; don't put input file entry for archive
1253 before archive members.
1254 (Incremental_inputs::report_archive_end): Put input file entry
1255 for archive after archive members.
1256 (Incremental_inputs::report_object): Add parameter; track argument
1257 serial numbers and in_system_directory flag.
1258 (Incremental_inputs::report_script): Add parameter; track argument
1259 serial numbers.
1260 (Output_section_incremental_inputs::set_final_data_size): Adjust
1261 size of symbol info entry; check for forwarding symbols.
1262 (Output_section_incremental_inputs::write_input_files): Write
1263 in_system_directory flag and argument serial number.
1264 (Output_section_incremental_inputs::write_info_blocks): Map section
1265 indices between incremental info and original input file; store
1266 input section index for each symbol.
1267 (class Local_got_offset_visitor): Derive from Got_offset_list::Visitor;
1268 change operator() to visit().
1269 (class Global_got_offset_visitor): Likewise.
1270 (class Global_symbol_visitor_got_plt):
1271 (Output_section_incremental_inputs::write_got_plt): Use new visitor
1272 classes.
1273 (Sized_incr_relobj::Sized_incr_relobj): New constructor.
1274 (Sized_incr_relobj::do_read_symbols): New function.
1275 (Sized_incr_relobj::do_layout): New function.
1276 (Sized_incr_relobj::do_layout_deferred_sections): New function.
1277 (Sized_incr_relobj::do_add_symbols): New function.
1278 (Sized_incr_relobj::do_should_include_member): New function.
1279 (Sized_incr_relobj::do_for_all_global_symbols): New function.
1280 (Sized_incr_relobj::do_for_all_local_got_entries): New function.
1281 (Sized_incr_relobj::do_section_size): New function.
1282 (Sized_incr_relobj::do_section_name): New function.
1283 (Sized_incr_relobj::do_section_contents): New function.
1284 (Sized_incr_relobj::do_section_flags): New function.
1285 (Sized_incr_relobj::do_section_entsize): New function.
1286 (Sized_incr_relobj::do_section_address): New function.
1287 (Sized_incr_relobj::do_section_type): New function.
1288 (Sized_incr_relobj::do_section_link): New function.
1289 (Sized_incr_relobj::do_section_info): New function.
1290 (Sized_incr_relobj::do_section_addralign): New function.
1291 (Sized_incr_relobj::do_initialize_xindex): New function.
1292 (Sized_incr_relobj::do_get_global_symbol_counts): New function.
1293 (Sized_incr_relobj::do_read_relocs): New function.
1294 (Sized_incr_relobj::do_gc_process_relocs): New function.
1295 (Sized_incr_relobj::do_scan_relocs): New function.
1296 (Sized_incr_relobj::do_count_local_symbols): New function.
1297 (Sized_incr_relobj::do_finalize_local_symbols): New function.
1298 (Sized_incr_relobj::do_set_local_dynsym_indexes): New function.
1299 (Sized_incr_relobj::do_set_local_dynsym_offset): New function.
1300 (Sized_incr_relobj::do_relocate): New function.
1301 (Sized_incr_relobj::do_set_section_offset): New function.
1302 (Sized_incr_dynobj::Sized_incr_dynobj): New function.
1303 (Sized_incr_dynobj::do_read_symbols): New function.
1304 (Sized_incr_dynobj::do_layout): New function.
1305 (Sized_incr_dynobj::do_add_symbols): New function.
1306 (Sized_incr_dynobj::do_should_include_member): New function.
1307 (Sized_incr_dynobj::do_for_all_global_symbols): New function.
1308 (Sized_incr_dynobj::do_for_all_local_got_entries): New function.
1309 (Sized_incr_dynobj::do_section_size): New function.
1310 (Sized_incr_dynobj::do_section_name): New function.
1311 (Sized_incr_dynobj::do_section_contents): New function.
1312 (Sized_incr_dynobj::do_section_flags): New function.
1313 (Sized_incr_dynobj::do_section_entsize): New function.
1314 (Sized_incr_dynobj::do_section_address): New function.
1315 (Sized_incr_dynobj::do_section_type): New function.
1316 (Sized_incr_dynobj::do_section_link): New function.
1317 (Sized_incr_dynobj::do_section_info): New function.
1318 (Sized_incr_dynobj::do_section_addralign): New function.
1319 (Sized_incr_dynobj::do_initialize_xindex): New function.
1320 (Sized_incr_dynobj::do_get_global_symbol_counts): New function.
1321 (make_sized_incremental_object): New function.
1322 (Incremental_library::copy_unused_symbols): New function.
1323 (Incremental_library::do_for_all_unused_symbols): New function.
1324 * incremental.h (enum Incremental_input_flags): New type.
1325 (class Incremental_checker): Remove.
1326 (Incremental_input_entry::Incremental_input_entry): Add argument
1327 serial number.
1328 (Incremental_input_entry::arg_serial): New function.
1329 (Incremental_input_entry::set_is_in_system_directory): New function.
1330 (Incremental_input_entry::is_in_system_directory): New function.
1331 (Incremental_input_entry::arg_serial_): New data member.
1332 (Incremental_input_entry::is_in_system_directory_): New data member.
1333 (class Script_info): Move here from script.h.
1334 (Script_info::Script_info): Add filename parameter.
1335 (Script_info::filename): New function.
1336 (Script_info::filename_): New data member.
1337 (Incremental_script_entry::Incremental_script_entry): Add argument
1338 serial number.
1339 (Incremental_object_entry::Incremental_object_entry): Likewise.
1340 (Incremental_object_entry::add_input_section): Build list of input
1341 sections with map to original shndx.
1342 (Incremental_object_entry::get_input_section_index): New function.
1343 (Incremental_object_entry::shndx_): New data member.
1344 (Incremental_object_entry::name_key_): Rename; adjust all refs.
1345 (Incremental_object_entry::sh_size_): Rename; adjust all refs.
1346 (Incremental_archive_entry::Incremental_archive_entry): Add argument
1347 serial number.
1348 (Incremental_inputs::report_archive_begin): Likewise.
1349 (Incremental_inputs::report_object): Likewise.
1350 (Incremental_inputs::report_script): Likewise.
1351 (class Incremental_global_symbol_reader): New class.
1352 (Incremental_input_entry_reader::Incremental_input_entry_reader): Read
1353 and store flags and input file type.
1354 (Incremental_input_entry_reader::arg_serial): New function.
1355 (Incremental_input_entry_reader::type): Extract type from flags.
1356 (Incremental_input_entry_reader::is_in_system_directory): New function.
1357 (Incremental_input_entry_reader::get_input_section_count): Call
1358 accessor function for type.
1359 (Incremental_input_entry_reader::get_symbol_offset): Call accessor
1360 function for type; adjust size of global symbol entry.
1361 (Incremental_input_entry_reader::get_global_symbol_count): Call
1362 accessor function for type.
1363 (Incremental_input_entry_reader::get_object_count): Likewise.
1364 (Incremental_input_entry_reader::get_object_offset): Likewise.
1365 (Incremental_input_entry_reader::get_member_count): Likewise.
1366 (Incremental_input_entry_reader::get_unused_symbol_count): Likewise.
1367 (Incremental_input_entry_reader::get_member_offset): Likewise.
1368 (Incremental_input_entry_reader::get_unused_symbol): Likewise.
1369 (Incremental_input_entry_reader::Global_symbol_info): Remove.
1370 (Incremental_input_entry_reader::get_global_symbol_info): Remove.
1371 (Incremental_input_entry_reader::get_global_symbol_reader): New
1372 function.
1373 (Incremental_input_entry_reader::get_output_symbol_index): New
1374 function.
1375 (Incremental_input_entry_reader::type_): Remove.
1376 (Incremental_input_entry_reader::flags_): New data member.
1377 (Incremental_inputs_reader::input_file_offset): New function.
1378 (Incremental_inputs_reader::input_file_index): New function.
1379 (Incremental_inputs_reader::input_file): Call input_file_offset.
1380 (Incremental_inputs_reader::input_file_at_offset): New function.
1381 (Incremental_relocs_reader::get_r_type): Reformat.
1382 (Incremental_relocs_reader::get_r_shndx): Reformat.
1383 (Incremental_relocs_reader::get_r_offset): Reformat.
1384 (Incremental_relocs_reader::data): New function.
1385 (Incremental_binary::Incremental_binary): Initialize new data members.
1386 (Incremental_binary::check_inputs): Add cmdline parameter.
1387 (Incremental_binary::file_is_unchanged): Remove.
1388 (Input_reader::arg_serial): New function.
1389 (Input_reader::get_unused_symbol_count): New function.
1390 (Input_reader::get_unused_symbol): New function.
1391 (Input_reader::do_arg_serial): New function.
1392 (Input_reader::do_get_unused_symbol_count): New function.
1393 (Input_reader::do_get_unused_symbol): New function.
1394 (Incremental_binary::input_file_count): New function.
1395 (Incremental_binary::get_input_reader): Change signature to use
1396 index instead of filename.
1397 (Incremental_binary::file_has_changed): New function.
1398 (Incremental_binary::get_input_argument): New function.
1399 (Incremental_binary::get_library): New function.
1400 (Incremental_binary::get_script_info): New function.
1401 (Incremental_binary::init_layout): New function.
1402 (Incremental_binary::reserve_layout): New function.
1403 (Incremental_binary::output_file): New function.
1404 (Incremental_binary::do_check_inputs): New function.
1405 (Incremental_binary::do_file_is_unchanged): Remove.
1406 (Incremental_binary::do_file_has_changed): New function.
1407 (Incremental_binary::do_init_layout): New function.
1408 (Incremental_binary::do_reserve_layout): New function.
1409 (Incremental_binary::do_input_file_count): New function.
1410 (Incremental_binary::do_get_input_reader): Change signature.
1411 (Incremental_binary::input_args_map_): New data member.
1412 (Incremental_binary::library_map_): New data member.
1413 (Incremental_binary::script_map_): New data member.
1414 (Sized_incremental_binary::Sized_incremental_binary): Initialize
1415 new data members.
1416 (Sized_incremental_binary::output_section): New function.
1417 (Sized_incremental_binary::inputs_reader): Add const.
1418 (Sized_incremental_binary::symtab_reader): Add const.
1419 (Sized_incremental_binary::relocs_reader): Add const.
1420 (Sized_incremental_binary::got_plt_reader): Add const.
1421 (Sized_incremental_binary::get_symtab_view): New function.
1422 (Sized_incremental_binary::Inputs_reader): New typedef.
1423 (Sized_incremental_binary::Input_entry_reader): New typedef.
1424 (Sized_incremental_binary::do_check_inputs): Add cmdline parameter.
1425 (Sized_incremental_binary::do_file_is_unchanged): Remove.
1426 (Sized_incremental_binary::do_file_has_changed): New function.
1427 (Sized_incremental_binary::do_init_layout): New function.
1428 (Sized_incremental_binary::do_reserve_layout): New function.
1429 (Sized_input_reader::Inputs_reader): Remove.
1430 (Sized_input_reader::Input_entry_reader): Remove.
1431 (Sized_input_reader::do_arg_serial): New function.
1432 (Sized_input_reader::do_get_unused_symbol_count): New function.
1433 (Sized_input_reader::do_get_unused_symbol): New function.
1434 (Sized_incremental_binary::do_input_file_count): New function.
1435 (Sized_incremental_binary::do_get_input_reader): Change signature;
1436 use index instead of filename.
1437 (Sized_incremental_binary::section_map_): New data member.
1438 (Sized_incremental_binary::input_entry_readers_): New data member.
1439 (class Sized_incr_relobj): New class.
1440 (class Sized_incr_dynobj): New class.
1441 (make_sized_incremental_object): New function.
1442 (class Incremental_library): New class.
1443 * layout.cc (Free_list::num_lists): New static data member.
1444 (Free_list::num_nodes): New static data member.
1445 (Free_list::num_removes): New static data member.
1446 (Free_list::num_remove_visits): New static data member.
1447 (Free_list::num_allocates): New static data member.
1448 (Free_list::num_allocate_visits): New static data member.
1449 (Free_list::init): New function.
1450 (Free_list::remove): New function.
1451 (Free_list::allocate): New function.
1452 (Free_list::dump): New function.
1453 (Free_list::print_stats): New function.
1454 (Layout_task_runner::run): Resize output file for incremental updates.
1455 (Layout::Layout): Initialize new data members.
1456 (Layout::set_incremental_base): New function.
1457 (Layout::init_fixed_output_section): New function.
1458 (Layout::layout_eh_frame): Do not build .eh_frame_hdr section for
1459 incremental updates.
1460 (Layout::create_gold_note): Do not create gold note section for
1461 incremental updates.
1462 (Layout::set_segment_offsets): Do not recalculate RELRO alignment
1463 for incremental updates.
1464 (Layout::set_section_offsets): For incremental updates, allocate space
1465 from free list.
1466 (Layout::create_symtab_sections): Layout with offsets relative to
1467 start of section; for incremental updates, allocate space from free
1468 list.
1469 (Layout::create_shdrs): For incremental updates, allocate space from
1470 free list.
1471 (Layout::finish_dynamic_section): For incremental updates, do not
1472 check --as-needed (fixed in subsequent patch).
1473 * layout.h (class Free_list): New class.
1474 (Layout::set_incremental_base): New function.
1475 (Layout::incremental_base): New function.
1476 (Layout::init_fixed_output_section): New function.
1477 (Layout::allocate): New function.
1478 (Layout::incremental_base_): New data member.
1479 (Layout::free_list_): New data member.
1480 * main.cc (main): Print Free_list statistics.
1481 * object.cc (Relobj::finalize_incremental_relocs): Add
1482 clear_counts parameter; clear counts only when clear_counts is set.
1483 (Sized_relobj::Sized_relobj): Initialize new base class.
1484 (Sized_relobj::do_layout): Don't report special sections.
1485 (Sized_relobj::do_for_all_local_got_entries): New function.
1486 (Sized_relobj::write_local_symbols): Add symtab_off parameter; add
1487 symtab_off to all symbol table offsets.
1488 (Sized_relobj::do_get_global_symbol_counts): Add typename keyword.
1489 * object.h (class Got_offset_list): Move to top of file.
1490 (Object::Object): Allow case where input_file == NULL.
1491 (Object::~Object): Likewise.
1492 (Object::input_file): Assert that input_file != NULL.
1493 (Object::lock): Allow case where input_file == NULL.
1494 (Object::unlock): Likewise.
1495 (Object::is_locked): Likewise.
1496 (Object::token): Likewise.
1497 (Object::release): Likewise.
1498 (Object::is_incremental): New function.
1499 (Object::get_mtime): New function.
1500 (Object::for_all_local_got_entries): New function.
1501 (Object::clear_view_cache_marks): Allow case where input_file == NULL.
1502 (Object::set_is_in_system_directory): New function.
1503 (Object::is_in_system_directory): New function.
1504 (Object::do_is_incremental): New function.
1505 (Object::do_get_mtime): New function.
1506 (Object::do_for_all_local_got_entries): New function.
1507 (Object::is_in_system_directory_): New data member.
1508 (Relobj::finalize_incremental_relocs): Add clear_counts parameter.
1509 (class Sized_relobj_base): New class.
1510 (class Sized_relobj): Derive from Sized_relobj_base.
1511 (class Sized_relobj::Symbols): Redeclare from base class.
1512 (class Sized_relobj::local_got_offset_list): Remove.
1513 (class Sized_relobj::Output_sections): Redeclare from base class.
1514 (class Sized_relobj::do_for_all_local_got_entries): New function.
1515 (class Sized_relobj::write_local_symbols): Add offset parameter.
1516 (class Sized_relobj::local_symbol_offset_): Update comment.
1517 (class Sized_relobj::local_dynsym_offset_): Update comment.
1518 * options.cc (Input_arguments::add_file): Remove const.
1519 * options.h (Input_file_argument::Input_file_argument):
1520 Initialize arg_serial_ (all constructors).
1521 (Input_file_argument::set_arg_serial): New function.
1522 (Input_file_argument::arg_serial): New function.
1523 (Input_file_argument::arg_serial_): New data member.
1524 (Input_arguments::Input_arguments): Initialize file_count_.
1525 (Input_arguments::add_file): Remove const.
1526 (Input_arguments::number_of_input_files): New function.
1527 (Input_arguments::file_count_): New data member.
1528 (Command_line::number_of_input_files): Call
1529 Input_arguments::number_of_input_files.
1530 * output.cc (Output_segment_headers::Output_segment_headers):
1531 Set current size.
1532 (Output_section::Input_section::current_data_size): New function.
1533 (Output_section::Output_section): Initialize new data members.
1534 (Output_section::add_input_section): Don't do merge sections for
1535 an incremental link; allocate space from free list for an
1536 incremental update.
1537 (Output_section::add_output_section_data): Allocate space from
1538 free list for an incremental update.
1539 (Output_section::update_data_size): New function.
1540 (Output_section::set_fixed_layout): New function.
1541 (Output_section::reserve): New function.
1542 (Output_segment::set_section_addresses): Remove const.
1543 (Output_segment::set_section_list_addresses): Remove const; allocate
1544 space from free list for an incremental update.
1545 (Output_segment::set_offset): Adjust size of RELRO segment for an
1546 incremental update.
1547 * output.h (Output_data::current_data_size): Move here from
1548 child classes.
1549 (Output_data::pre_finalize_data_size): New function.
1550 (Output_data::update_data_size): New function.
1551 (Output_section_headers::update_data_size): new function.
1552 (Output_section_data_build::current_data_size): Move to Output_data.
1553 (Output_data_strtab::update_data_size): New function.
1554 (Output_section::current_data_size): Move to Output_data.
1555 (Output_section::set_fixed_layout): New function.
1556 (Output_section::has_fixed_layout): New function.
1557 (Output_section::reserve): New function.
1558 (Output_section::update_data_size): New function.
1559 (Output_section::has_fixed_layout_): New data member.
1560 (Output_section::free_list_): New data member.
1561 (Output_segment::set_section_addresses): Remove const.
1562 (Output_segment::set_section_list_addresses): Remove const.
1563 * plugin.cc (Sized_pluginobj::do_for_all_local_got_entries):
1564 New function.
1565 * plugin.h (Sized_pluginobj::do_for_all_local_got_entries):
1566 New function.
1567 * readsyms.cc (Read_symbols::do_read_symbols): Add library
1568 parameter when calling Add_symbols constructor; store argument
1569 serial number for members of a lib group.
1570 (Add_symbols::locks): Allow case where token == NULL.
1571 (Add_symbols::run): Report libraries denoted by --start-lib/--end-lib.
1572 (Read_member::~Read_member): New function.
1573 (Read_member::is_runnable): New function.
1574 (Read_member::locks): New function.
1575 (Read_member::run): New function.
1576 (Check_script::~Check_script): New function.
1577 (Check_script::is_runnable): New function.
1578 (Check_script::locks): New function.
1579 (Check_script::run): New function.
1580 (Check_library::~Check_library): New function.
1581 (Check_library::is_runnable): New function.
1582 (Check_library::locks): New function.
1583 (Check_library::run): New function.
1584 * readsyms.h (Add_symbols::Add_symbols): Add library parameter.
1585 (Add_symbols::library_): New data member.
1586 (class Read_member): New class.
1587 (class Check_script): New class.
1588 (class Check_library): New class.
1589 * reloc.cc (Read_relocs::is_runnable): Allow case where
1590 token == NULL.
1591 (Read_relocs::locks): Likewise.
1592 (Scan_relocs::locks): Likewise.
1593 (Relocate_task::locks): Likewise.
1594 (Sized_relobj::do_scan_relocs): Tell finalize_incremental_relocs
1595 to clear counters.
1596 (Sized_relobj::incremental_relocs_scan): Fix comment.
1597 (Sized_relobj::do_relocate): Pass output file offset to
1598 write_local_symbols.
1599 (Sized_relobj::incremental_relocs_write_reltype): Use reloc_size
1600 from class declaration.
1601 * script.cc (read_input_script): Allocate Script_info; pass
1602 argument serial number to report_script.
1603 * script.h (class Script_info): Move to incremental.h.
1604 * symtab.cc (Symbol_table::add_from_incrobj): New function.
1605 * symtab.h (Symbol_table::add_from_incrobj): New function.
1606 (Symbol_table::set_file_offset): New function.
1607
b961d0d7
CC		 16082011-04-05 Cary Coutant <ccoutant@google.com>
1609
1610 * incremental-dump.cc (dump_incremental_inputs): Change signature
1611 to take a Sized_incremental_binary; change caller. Use readers
1612 in Sized_incremental_binary.
1613 * incremental.cc
1614 (Sized_incremental_binary::find_incremental_inputs_sections):
1615 Rename do_find_incremental_inputs_sections to this.
1616 (Sized_incremental_binary::setup_readers): New function.
1617 (Sized_incremental_binary::do_check_inputs): Check
1618 has_incremental_info_ flag; move setup code to setup_readers;
1619 use input readers.
1620 (Sized_incremental_binary::do_file_is_unchanged): New function.
1621 (Sized_incremental_binary::do_get_input_reader): New function.
1622 * incremental.h (class Incremental_binary): Move to end of file.
1623 (Incremental_binary::file_is_unchanged): New function.
1624 (Incremental_binary::do_file_is_unchanged): New function.
1625 (Incremental_binary::Input_reader): New class.
1626 (Incremental_binary::get_input_reader): New function.
1627 (class Sized_incremental_binary): Move to end of file.
1628 (Sized_incremental_binary::Sized_incremental_binary): Setup the
1629 input section reader classes.
1630 (Sized_incremental_binary::has_incremental_info): New function.
1631 (Sized_incremental_binary::inputs_reader): New function.
1632 (Sized_incremental_binary::symtab_reader): New function.
1633 (Sized_incremental_binary::relocs_reader): New function.
1634 (Sized_incremental_binary::got_plt_reader): New function.
1635 (Sized_incremental_binary::do_file_is_unchanged): New function.
1636 (Sized_incremental_binary::Sized_input_reader): New class.
1637 (Sized_incremental_binary::get_input_reader): New function.
1638 (Sized_incremental_binary::find_incremental_inputs_sections):
1639 Rename do_find_incremental_inputs_sections to this.
1640 (Sized_incremental_binary::setup_readers): New function.
1641 (Sized_incremental_binary::has_incremental_info_): New data member.
1642 (Sized_incremental_binary::inputs_reader_): New data member.
1643 (Sized_incremental_binary::symtab_reader_): New data member.
1644 (Sized_incremental_binary::relocs_reader_): New data member.
1645 (Sized_incremental_binary::got_plt_reader_): New data member.
1646 (Sized_incremental_binary::current_input_file_): New data member.
1647
a869183f
PP		 16482011-04-05 Paul Pluzhnikov <ppluzhnikov@google.com>
1649
1650 PR gold/12640
1651 * dwarf_reader.cc (Sized_dwarf_line_info): Fix vector bounds
1652 violation.
1653
16542011-03-30 Cary Coutant <ccoutant@google.com>
c7975edd
CC		 1655
1656 * archive.cc (Archive::include_member): Adjust call to report_object.
1657 (Add_archive_symbols::run): Add script_info to call to
1658 report_archive_begin.
1659 (Lib_group::include_member): Adjust call to report_object.
1660 (Add_lib_group_symbols::run): Adjust call to report_object.
1661 * incremental-dump.cc (dump_incremental_inputs): Remove unnecessary
1662 blocks. Add object count for script input files.
1663 * incremental.cc (Incremental_inputs::report_archive_begin): Add
1664 script_info parameter; change all callers.
1665 (Incremental_inputs::report_object): Add script_info parameter;
1666 change all callers.
1667 (Incremental_inputs::report_script): Store backpointer to
1668 incremental info entry.
1669 (Output_section_incremental_inputs::set_final_data_size): Record
1670 additional information for scripts.
1671 (Output_section_incremental_inputs::write_info_blocks): Likewise.
1672 * incremental.h (Incremental_script_entry::add_object): New function.
1673 (Incremental_script_entry::get_object_count): New function.
1674 (Incremental_script_entry::get_object): New function.
1675 (Incremental_script_entry::objects_): New data member; adjust
1676 constructor.
1677 (Incremental_inputs::report_archive_begin): Add script_info parameter.
1678 (Incremental_inputs::report_object): Add script_info parameter.
1679 (Incremental_inputs_reader::get_object_count): New function.
1680 (Incremental_inputs_reader::get_object_offset): New function.
1681 * options.cc (Input_arguments::add_file): Return reference to
1682 new input argument.
1683 * options.h (Input_argument::set_script_info): New function.
1684 (Input_argument::script_info): New function.
1685 (Input_argument::script_info_): New data member; adjust all
1686 constructors.
1687 (Input_file_group::add_file): Return reference to new input argument.
1688 (Input_file_lib::add_file): Likewise.
1689 (Input_arguments::add_file): Likewise.
1690 * readsyms.cc (Add_symbols::run): Adjust call to report_object.
1691 * script.cc (Parser_closure::Parser_closure): Add script_info
1692 parameter; adjust all callers.
1693 (Parser_closure::script_info): New function.
1694 (Parser_closure::script_info_): New data member.
1695 (read_input_script): Report scripts earlier to incremental info.
1696 (script_add_file): Set script_info in Input_argument.
1697 (script_add_library): Likewise.
1698 * script.h (Script_options::Script_info): Rewrite class.
1699
a869183f 17002011-03-29 Cary Coutant <ccoutant@google.com>
e0c52780
CC		 1701
1702 * archive.cc (Library_base::should_include_member): Move
1703 method here from class Archive.
1704 (Archive::Archive): Initialize base class.
1705 (Archive::should_include_member): Move to base class.
1706 (Archive::do_for_all_unused_symbols): New function.
1707 (Add_archive_symbols::run): Remove redundant access to
1708 incremental_inputs.
1709 (Lib_group::Lib_group): Initialize base class.
1710 (Lib_group::do_filename): New function.
1711 (Lib_group::include_member): Pass pointer to Lib_group to
1712 report_object.
1713 (Lib_group::do_for_all_unused_symbols): New function.
1714 (Add_lib_group_symbols::run): Report archive information for
1715 incremental links.
1716 * archive.h (class Library_base): New base class.
1717 (class Archive): Derive from Library_base.
1718 (Archive::filename): Move to base class.
1719 (Archive::set_incremental_info): Likewise.
1720 (Archive::incremental_info): Likewise.
1721 (Archive::Should_include): Likewise.
1722 (Archive::should_include_member): Likewise.
1723 (Archive::Armap_entry): Remove.
1724 (Archive::Unused_symbol_iterator): Remove.
1725 (Archive::unused_symbols_begin): Remove.
1726 (Archive::unused_symbols_end): Remove.
1727 (Archive::do_filename): New function.
1728 (Archive::do_get_mtime): New function.
1729 (Archive::do_for_all_unused_symbols): New function.
1730 (Archive::task_): Move to base class.
1731 (Archive::incremental_info_): Likewise.
1732 (class Lib_group): Derive from Library_base.
1733 (Lib_group::do_filename): New function.
1734 (Lib_group::do_get_mtime): New function.
1735 (Lib_group::do_for_all_unused_symbols): New function.
1736 (Lib_group::task_): Move to base class.
1737 * dynobj.cc (Sized_dynobj::do_for_all_global_symbols): New
1738 function.
1739 * dynobj.h (Sized_dynobj::do_for_all_global_symbols): New
1740 function.
1741 * incremental.cc (Incremental_inputs::report_archive_begin):
1742 Use Library_base; call library's get_mtime; add incremental inputs
1743 entry before members.
1744 (class Unused_symbol_visitor): New class.
1745 (Incremental_inputs::report_archive_end): Use Library_base; use
1746 visitor class to record unused symbols; don't add incremental inputs
1747 entry after members.
1748 (Incremental_inputs::report_object): Use Library_base.
1749 * incremental.h
1750 (Incremental_archive_entry::Incremental_archive_entry): Remove
1751 unused Archive parameter.
1752 (Incremental_inputs::report_archive_begin): Use Library_base.
1753 (Incremental_inputs::report_archive_end): Likewise.
1754 (Incremental_inputs::report_object): Likewise.
1755 * object.cc (Sized_relobj::do_for_all_global_symbols): New
1756 function.
1757 * object.h (Object::for_all_global_symbols): New function.
1758 (Object::do_for_all_global_symbols): New function.
1759 (Sized_relobj::do_for_all_global_symbols): New function.
1760 * plugin.cc (Sized_pluginobj::do_for_all_global_symbols): New
1761 function.
1762 * plugin.h (Sized_pluginobj::do_for_all_global_symbols): New
1763 function.
1764
61ab3e40
ILT		 17652011-03-27 Ian Lance Taylor <iant@google.com>
1766
1767 * archive.cc (Archive::interpret_header): Return -1 if something
1768 goes wrong. Change callers accordingly.
1769
30e1f9e6
CC		 17702011-03-25 Cary Coutant <ccoutant@google.com>
1771
1772 * testsuite/Makefile.am (final_layout.stdout): Use -n option with nm.
1773 * testsuite/Makefile.in: Regenerate.
1774
9c793f14
RÁE		 17752010-03-23 Rafael Ávila de Espíndola <respindola@mozilla.com>
1776
1777 * plugin.cc (get_view): New.
1778 (Plugin::load): Pass get_view to the plugin.
1779 (Plugin_manager::get_view): New.
1780
9312bb0a
ILT		 17812011-03-21 Ian Lance Taylor <iant@google.com>
1782
1783 * testsuite/final_layout.sh: Rewrite to not use dc.
07aead7b 1784 * testsuite/relro_test.sh: Fail if dc is not present.
9312bb0a 1785
7e12ba9e
ST		 17862011-03-21 Sriraman Tallam <tmsriram@google.com>
1787
1788 * testsuite/icf_safe_so_test.sh: Add #!/bin/sh to start.
1789 Change == to -eq.
1790 * testsuite/icf_string_merge_test.sh: Add #!/bin/sh to start.
1791 * testsuite/icf_safe_test.sh: Add #!/bin/sh to start.
1792 Change == to -eq.
1793 * testsuite/icf_sht_rel_addend_test.sh: Add #!/bin/sh to start.
1794 * testsuite/icf_preemptible_functions_test.sh: Add #!/bin/sh to start.
1795
fd7a005d
ILT		 17962011-03-14 Ian Lance Taylor <iant@google.com>
1797
1798 * script-sections.cc (Sort_output_sections::script_compare):
1799 Rename from is_before, change return type.
1800 (Sort_output_sections::operator()): Adjust accordingly.
1801
ed16fd1b
ILT		 18022011-03-11 Jeffrey Yasskin <jyasskin@google.com>
1803
1804 PR gold/12572
1805 * testsuite/odr_violation2.cc: Add comment to make all error line
1806 numbers double digits.
1807 * testsuite/debug_msg.sh: Adjust expected errors.
1808
71ff8986
ILT		 18092011-03-09 Jeffrey Yasskin <jyasskin@google.com>
1810
1811 * dwarf_reader.cc (Sized_dwarf_line_info): Include all lines,
1812 but mark earlier ones as non-canonical
1813 (offset_to_iterator): Update search target and example
1814 (do_addr2line): Return extra lines in a vector*
1815 (format_file_lineno): Extract from do_addr2line
1816 (one_addr2line): Add vector* out-param
1817 * dwarf_reader.h (Offset_to_lineno_entry): New field recording
1818 when a lineno entry appeared last for its instruction
1819 (Dwarf_line_info): Add vector* out-param
1820 * object.cc (Relocate_info): Pass NULL for the vector* out-param
1821 * symtab.cc (Odr_violation_compare): Include the lineno in the
1822 comparison again.
1823 (linenos_from_loc): New. Combine the canonical line for an
1824 address with its other lines.
1825 (True_if_intersect): New. Helper functor to make
1826 std::set_intersection a query.
1827 (detect_odr_violations): Compare sets of lines instead of just
1828 one line for each function. This became less deterministic, but
1829 has fewer false positives.
1830 * symtab.h: Declarations.
1831 * testsuite/Makefile.am (odr_violation2.o): Compile with -O2 to
1832 mix an optimized and non-optimized object in the same binary
1833 (odr_violation2.so): Same.
1834 * testsuite/Makefile.in: Regenerate from Makefile.am.
1835 * testsuite/debug_msg.cc (main): Make OdrDerived classes.
1836 * testsuite/debug_msg.sh: Update line numbers and add
1837 assertions.
1838 * testsuite/odr_violation1.cc: Use OdrDerived, in a
1839 non-optimized context.
1840 * testsuite/odr_violation2.cc: Make sure Ordering::operator()
1841 isn't inlined, and use OdrDerived in an optimized context.
1842 * testsuite/odr_header1.h: Defines OdrDerived, where
1843 optimization will change the
1844 first-instruction-in-the-destructor's file and line number.
1845 * testsuite/odr_header2.h: Defines OdrBase.
1846
a19fefdc
ILT		 18472011-03-09 Ian Lance Taylor <iant@google.com>
1848
1849 * fileread.cc (File_read::clear_views): Don't delete the whole
1850 file view.
1851
ecb351e9
ILT		 18522011-03-08 Ian Lance Taylor <iant@google.com>
1853
1854 PR gold/12525
1855 * fileread.cc: #include <climits>.
1856 (GOLD_IOV_MAX): Define.
1857 (File_read::read_multiple): Limit number of entries by iov_max.
1858 * fileread.h (class File_read): Always set max_readv_entries to
1859 128.
1860
b821d13c
ILT		 18612011-03-07 Ian Lance Taylor <iant@google.com>
1862
1863 PR gold/12525
1864 * options.h (class General_options): Add -dy and -dn.
1865
89243142
CC		 18662011-03-02 Cary Coutant <ccoutant@google.com>
1867
1868 * testsuite/script_test_9.t: Add TLS segment.
1869
d0773f31
ILT		 18702011-03-02 Simon Baldwin <simonb@google.com>
1871
1872 * configure.ac: Add check for gnu_indirect_function support in
1873 the toolchain building binutils.
1874 * configure: Rebuild.
1875
badc8139
RÁE		 18762010-02-18 Rafael Ávila de Espíndola <respindola@mozilla.com>
1877
1878 * symtab.cc (Symbol::should_add_dynsym_entry) Return false for
1879 plugin only symbols.
1880 (Symbol_table::sized_finalize_symbol) Mark symbol only present
1881 in plugin files as not needed in the symbol table.
1882
4cf7a849
ST		 18832011-02-11 Sriraman Tallam <tmsriram@google.com>
1884
1885 * output.cc (Output_section::add_input_section): Delay fill
1886 generation for section ordering.
1887
b578bd7d
ILT		 18882011-02-09 Ian Lance Taylor <iant@google.com>
1889
1890 PR gold/12316
1891 * object.h (class Sized_relobj): Remove clear_local_symbols.
1892 * reloc.cc (Sized_relobj::do_relocate): Don't call
1893 clear_local_symbols.
1894
84ced98a
RÁE		 18952010-02-08 Rafael Ávila de Espíndola <respindola@mozilla.com>
1896
1897 * plugin.cc (is_visible_from_outside): Return true for symbols
1898 in the -u option.
1899
55382fb7
ILT		 19002011-02-04 Jeffrey Yasskin <jyasskin@google.com>
1901
1902 * symtab.cc (Odr_violation_compare::operator()): Sort by just the
1903 filename.
1904
4e271fff
ST		 19052011-02-02 Sriraman Tallam <tmsriram@google.com>
1906
1907 * icf.h (is_section_foldable_candidate): Change type of parameter
1908 to std::string.
1909 * icf.cc (Icf::find_identical_sections): Change type of local variable
1910 section_name to be std::string.
1911 (is_function_ctor_or_dtor): Change type of parameter to std::string.
1912
d433c3ac
ILT		 19132011-01-25 Ian Lance Taylor <iant@google.com>
1914
1915 * script.cc (script_add_extern): Rewrite to use
1916 add_symbol_reference.
1917
880473a6
DK		 19182011-01-25 Doug Kwan <dougkwan@google.com>
1919
d433c3ac 1920 * icf.cc (get_section_contents): Always lock section's object.
880473a6 1921
f30f86fa
ILT		 19222011-01-24 Ian Lance Taylor <iant@google.com>
1923
1924 * options.h (class General_options): Accept
1925 --no-detect-odr-violations.
1926
8e51a0b9
ILT		 19272011-01-24 Ian Lance Taylor <iant@google.com>
1928
1929 * version.cc (version_string): Bump to 1.11.
1930
0f3b89d8
ILT		 19312011-01-24 Ian Lance Taylor <iant@google.com>
1932
1933 * plugin.cc (class Plugin_rescan): Define new class.
1934 (Plugin_manager::claim_file): Set any_claimed_.
1935 (Plugin_manager::save_archive): New function.
1936 (Plugin_manager::save_input_group): New function.
1937 (Plugin_manager::all_symbols_read): Create Plugin_rescan task if
1938 necessary.
1939 (Plugin_manager::new_undefined_symbol): New function.
1940 (Plugin_manager::rescan): New function.
1941 (Plugin_manager::rescannable_defines): New function.
1942 (Plugin_manager::add_input_file): Set any_added_.
1943 * plugin.h (class Plugin_manager): define new fields rescannable_,
1944 undefined_symbols_, any_claimed_, and any_added_. Declare
1945 Plugin_rescan as friend. Declare new functions.
1946 (Plugin_manager::Rescannable): Define type.
1947 (Plugin_manager::Rescannable_list): Define type.
1948 (Plugin_manager::Undefined_symbol_list): Define type.
1949 (Plugin_manager::Plugin_manager): Initialize new fields.
1950 * archive.cc (Archive::defines_symbol): New function.
1951 (Add_archive_symbols::run): Pass archive to plugins if any.
1952 * archive.h (class Archive): Declare defines_symbol.
1953 * readsyms.cc (Input_group::~Input_group): New function.
1954 (Finish_group::run): Pass input_group to plugins if any.
1955 * readsyms.h (class Input_group): Declare destructor.
1956 * symtab.cc (add_from_object): Pass undefined symbol to plugins if
1957 any.
1958
3bb951e5
ILT		 19592011-01-10 Ian Lance Taylor <iant@google.com>
1960
1961 * layout.cc (Layout::layout_eh_frame): Mark a writable .eh_frame
1962 section as relro.
1963 (Layout::set_segment_offsets): Reset increase_relro before calling
1964 set_section_addresses a second time.
1965
0aa45fac
CC		 19662011-01-04 Cary Coutant <ccoutant@google.com>
1967
1968 * script-sections.cc (Sort_output_sections::operator()): Sort TLS
1969 sections before NOBITS sections.
1970
0db46eb4
L		 19712011-01-01 H.J. Lu <hongjiu.lu@intel.com>
1972
1973 * version.cc (print_version): Update copyright to 2011.
1974
829c9745
CC		 19752010-12-23 Cary Coutant <ccoutant@google.com>
1976
1977 * output.h (Output_data_reloc::add_output_section): Pass OD instead
1978 of OS to this->add. Add OD parameter to second form of the function.
1979
7500420b
ILT		 19802010-12-20 Ian Lance Taylor <iant@google.com>
1981
1982 * dwarf_reader.cc (Sized_dwarf_line_info::read_lines): Only keep
1983 second of two consecutive entries with same offset.
1984
f8e9a930
RW		 19852010-12-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1986
1987 * testsuite/Makefile.am (ifuncmain2static_LDADD)
1988 (ifuncmain2_LDADD, ifuncmain4static_LDADD, ifuncmain4_LDADD)
1989 (ifuncmain7static_LDADD, ifuncmain7_LDADD): New empty variables,
1990 to avoid unneeded links against $(LDADD).
1991 * testsuite/Makefile.in: Regenerate.
1992
2fbb4320
ILT		 19932010-12-15 Ian Lance Taylor <iant@google.com>
1994
1995 PR gold/12324
1996 * x86_64.cc (Target_x86_64::Scan::check_non_pic): Give an error
1997 for R_X86_64_32 and R_X86_64_PC32.
1998 * testsuite/Makefile.am (ver_matching_def.so): Depend on and use
1999 ver_matching_def_pic.o.
2000 (ver_matching_def_pic.o): New target.
2001
fedb228d
RW		 20022010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2003
2004 * fileread.cc (file_counts_lock, file_counts_initialize_lock)
2005 (total_mapped_bytes, current_mapped_bytes, maximum_mapped_bytes):
2006 Move definition before File_read::View member definitions.
2007 (File_read::View::~View): Initialize and hold lock before
2008 updating current_mapped_bytes.
2009
9b547ce6
RW		 20102010-12-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2011
2012 * dwarf_reader.cc: Remove outdated comment.
2013 * gold-threads.cc: Fix typo in error message.
2014 * archive.cc: Fix typos in comments.
2015 * archive.h: Likewise.
2016 * arm-reloc-property.cc: Likewise.
2017 * arm-reloc-property.h: Likewise.
2018 * arm-reloc.def: Likewise.
2019 * arm.cc: Likewise.
2020 * attributes.h: Likewise.
2021 * cref.cc: Likewise.
2022 * ehframe.cc: Likewise.
2023 * fileread.h: Likewise.
2024 * gold.h: Likewise.
2025 * i386.cc: Likewise.
2026 * icf.cc: Likewise.
2027 * incremental.h: Likewise.
2028 * int_encoding.cc: Likewise.
2029 * layout.h: Likewise.
2030 * main.cc: Likewise.
2031 * merge.h: Likewise.
2032 * object.cc: Likewise.
2033 * object.h: Likewise.
2034 * options.cc: Likewise.
2035 * readsyms.cc: Likewise.
2036 * reduced_debug_output.cc: Likewise.
2037 * reloc.cc: Likewise.
2038 * script-sections.cc: Likewise.
2039 * sparc.cc: Likewise.
2040 * symtab.h: Likewise.
2041 * target-reloc.h: Likewise.
2042 * target.cc: Likewise.
2043 * target.h: Likewise.
2044 * timer.cc: Likewise.
2045 * timer.h: Likewise.
2046 * x86_64.cc: Likewise.
2047
83e17bd5
CC		 20482010-12-09 Cary Coutant <ccoutant@google.com>
2049
2050 * layout.cc (Layout::layout_gnu_stack): Add warnings for executable
2051 stack.
2052 * layout.h (Layout::layout_gnu_stack): Add pointer to Object
2053 parameter; change all callers.
2054 * object.cc (Sized_relobj::do_layout): Adjust call to layout_gnu_stack.
2055 * options.h (warn_execstack): New option.
2056
017257f8
DK		 20572010-12-07 Doug Kwan <dougkwan@google.com>
2058
2059 * arm.cc (Target_arm::Scan::get_reference_flags): Treat R_ARM_PREL31
2060 like function call relocations.
2061
c20cbc06
ILT		 20622010-12-07 Ian Lance Taylor <iant@google.com>
2063
2064 * archive.cc (Archive::get_elf_object_for_member): Permit
2065 punconfigured to be NULL.
2066 (Archive::read_symbols): Pass NULL to get_elf_object_for_member.
2067 (Archive::include_member): Pass NULL to get_elf_object_for_member
2068 if we searched for the archive and this is the first included
2069 object.
2070
4dbfafcc
ILT		 20712010-12-01 Ian Lance Taylor <iant@google.com>
2072
2073 * dwarf_reader.h (class Sized_dwarf_line_info): Add
2074 track_relocs_type_ field.
2075 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2076 Set track_relocs_type_.
2077 (Sized_dwarf_line_info::process_one_opcode): Ignore the section
2078 contents when using RELA relocs.
2079 (Sized_dwarf_line_info::read_relocs): Add the reloc addend to
2080 reloc_map_.
2081 * reloc.cc (Track_relocs::next_addend): New function.
2082 * reloc.h (class Track_relocs): Declare next_addend.
2083
e5e19edd
ILT		 20842010-12-01 Ian Lance Taylor <iant@google.com>
2085
2086 * testsuite/icf_virtual_function_folding_test.cc (class Bar): Add
2087 virtual destructor.
2088
9a5ce24c
ILT		 20892010-12-01 Ian Lance Taylor <iant@google.com>
2090
2091 * README: Update compilers known to work and fail.
2092
c7791212
NC		 20932010-11-23 Matthias Klose <doko@ubuntu.com>
2094
2095 * configure.in: For --enable-gold, handle value `default' instead of
2096 `both*'. Always install ld as ld.bfd, install as ld if gold is
2097 not the default.
2098 * configure: Regenerate.
2099
0ad220c9
DK		 21002010-11-18 Doug Kwan <dougkwan@google.com>
2101
2102 * expression.cc (BINARY_EXPRESSION): Initialize left_alignment
2103 and right_alignment to be zero. Store result alignment only if it is
2104 greater than existing alignment.
2105
ab8056e0
CC		 21062010-11-16 Cary Coutant <ccoutant@google.com>
2107
2108 PR gold/12220
2109 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2110 Check for ".zdebug_line".
2111
fd064a5b
CC		 21122010-11-16 Doug Kwan <dougkwan@google.com>
2113 Cary Coutant <ccoutant@google.com>
2114
2115 * output.h (Output_segment::set_section_addresses): Pass increase_relro
2116 by reference; adjust all callers.
2117 * output.cc (Output_segment::set_section_addresses): Adjust references
2118 to increase_relro. Add padding to *increase_relro when ORDER_RELRO_LAST
2119 list is empty.
2120 (Output_segment::set_offset): Assert if PT_GNU_RELRO segment does not
2121 end at page boundary.
2122
6fc6ea19
CC		 21232010-11-16 Cary Coutant <ccoutant@google.com>
2124
2125 PR gold/12220
2126 * layout.cc (Layout::choose_output_section): Transform names of
2127 compressed sections even when using a script with a SECTIONS clause.
2128 (Layout::output_section_name): Remove code to transform
2129 compressed debug section names.
2130 * output.cc (Output_section::add_input_section): Use uncompressed
2131 section size when tracking input sections.
2132
95a2c8d6
RS		 21332010-11-11 Richard Sandiford <richard.sandiford@linaro.org>
2134
2135 * symtab.h (Symbol::NON_PIC_REF): Remove.
2136 (Symbol::RELATIVE_REF, Symbol::TLS_REF): New Reference_flags.
2137 (Symbol::FUNCTION_CALL): Renumber. Reword comment.
2138 (Symbol::needs_dynamic_reloc): Don't check NON_PIC_REF.
2139 (Symbol::use_plt_offset): Take a flags argument and pass it
2140 directly to needs_dynamic_reloc. Restrict check for undefined
2141 weak symbols to function calls.
2142 * arm.cc (Target_arm::Scan::get_reference_flags): New function.
2143 (Target_arm::Scan::global): Use it.
2144 (Target_arm::Scan::scan_reloc_for_stub): Likewise.
2145 (Target_arm::Relocate::relocate): Likewise.
2146 (Target_arm::Relocate::should_apply_static_reloc): Replace flags
2147 parameter with an r_type parameter. Use get_reference_flags
2148 to get the flags.
2149 (Target_arm::Relocate::relocate): Update accordingly.
2150 * i386.cc (Target_i386::Scan::get_reference_flags): New function.
2151 (Target_i386::Scan::reloc_needs_plt_for_ifunc): Use it.
2152 (Target_i386::Scan::global): Likewise.
2153 (Target_i386::Relocate::relocate): Likewise.
2154 (Target_i386::Relocate::should_apply_static_reloc): Replace flags
2155 parameter with an r_type parameter. Use get_reference_flags
2156 to get the flags.
2157 (Target_i386::Relocate::relocate): Update accordingly.
2158 * powerpc.cc (Target_powerpc::Scan::get_reference_flags): New function.
2159 (Target_powerpc::Scan::global): Use it.
2160 (Target_powerpc::Scan::scan_reloc_for_stub): Likewise.
2161 (Target_powerpc::Relocate::relocate): Likewise.
2162 * sparc.cc (Target_sparc::Scan::get_reference_flags): New function.
2163 (Target_sparc::Scan::global): Use it.
2164 (Target_sparc::Scan::scan_reloc_for_stub): Likewise.
2165 (Target_sparc::Relocate::relocate): Likewise.
2166 * x86_64.cc (Target_x86_64::Scan::get_reference_flags): New function.
2167 (Target_x86_64::Scan::reloc_needs_plt_for_ifunc): Use it.
2168 (Target_x86_64::Scan::global): Likewise.
2169 (Target_x86_64::Relocate::relocate): Likewise.
2170
f625ae50
DK		 21712010-11-08 Doug Kwan <dougkwan@google.com>
2172 Cary Coutant <ccoutant@google.com>
2173
2174 * arm.cc (Arm_exidx_merge_section::build_contents): New method.
2175 (Arm_exidx_merge_section::section_contents_): New data member.
2176 (Arm_input_section::Arm_input_section): Initialize original_contents_.
2177 (Arm_input_section::~Arm_input_section): De-allocate memory.
2178 (Arm_input_section::original_contents_): New data member.
2179 (Arm_exidx_fixup::process_exidx_section): Pass EXIDX section contents
2180 in parameters instead of calling Object::section_contents without
2181 locking.
2182 (Arm_output_section::group_section): New parameter TASK. Pass it
2183 to callees that need locking objects.
2184 (Arm_output_section::fix_exidx_coverage): New parameter TASK. Use it
2185 to lock EXIDX input sections. Fix a formatting issue. Call
2186 Arm_exidx_merged_section::build_contents to create merged section
2187 contents.
2188 (Arm_output_section::create_stub_group): New parameter TASK. Use it
2189 to lock object of stub table owner.
2190 (Arm_exidx_input_section::Arm_exidx_input_section): Add new parameter
2191 TEXT_SIZE to initialize data member TEXT_SIZE_.
2192 (Arm_exidx_input_section::addralign): Fix typo in comment.
2193 (Arm_exidx_input_section::text_size): New method.
2194 (Target_arm::do_relax): New parameter TASK. Pass it to callees
2195 that require locking objects. Lock objects before scanning for stubs
2196 and updating local symbols.
2197 (Arm_input_section<big_endian>::init): Copy contents of original
2198 input section.
2199 (Arm_input_section<big_endian>::do_write): Use saved contents of
2200 original input section instead of calling Object::section_contents
2201 without locking.
2202 (Arm_exidx_cantunwind::do_fixed_endian_write): Find out text section
2203 size without calling Object::section_size().
2204 (Arm_exidx_merged_section::Arm_exidx_merged_section): Add sanity check
2205 for size. Allocate a buffer for merged EXIDX entries.
2206 (Arm_exidx_merged_section::build_contents): New method.
2207 (Arm_exidx_merged_section::do_write): Move merge section contents
2208 building code to Arm_exidx_merged_section::build_contetns. Write
2209 out contetns in buffer instead of building it on the fly.
2210 (Arm_relobj::make_exidx_input_section): Also pass text section size
2211 to Arm_exidx_input_section constructor.
2212 (Arm_relobj::do_read_symbols): Fix memory leak. Fix a formatting issue.
2213 (Arm_dynobj::do_read_symbols): Fix memory leak.
2214 * layout.cc (Layout::finalize): Pass TASK to Target::relax().
2215 * target.h: (class Task): Add forward declaration.
2216 (Target::relax): Add new parameter TASK and pass it to
2217 Target::do_relax().
2218 (Target::do_relax):: New parameter TASK. Fix a formatting issue.
2219
5f9bcf58
CC		 22202010-11-05 Cary Coutant <ccoutant@google.com>
2221
2222 PR gold/10708
2223 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Hold a lock on the
2224 object when reading from the file.
2225 * gold.cc (queue_middle_tasks): Hold a lock on the object when doing
2226 second layout pass.
2227 * icf.cc (preprocess_for_unique_sections): Hold a lock on the object
2228 when reading section contents.
2229 (get_section_contents): Likewise.
2230 (icf::find_identical_sections): Likewise.
2231 * mapfile.cc (Mapfile::print_discarded_sections): Hold a lock on the
2232 object when reading from the file.
2233 * plugin.cc (Plugin_manager::layout_deferred_objects): Hold a lock on
2234 the object when doing deferred section layout.
2235
e597fa08
NC		 22362010-11-03 Nick Clifton <nickc@redhat.com>
2237
2238 PR gold/12001
2239 * script.h (class Symbol_assignment: name): New member. Returns
2240 the name of the symbol.
2241 * scrfipt.cc (Script_options::is_pending_assignment): New member.
2242 Returns true if the given symbol name is on the list of
2243 assignments wating to be processed.
2244 * archive.cc (should_incldue_member): If the symbol is undefined,
2245 check to see if it is on the list of symbols pending assignment.
2246
3f9a3278
ILT		 22472010-11-03 Ryan Mansfield <rmansfield@qnx.com>
2248
2249 * script-sections.cc (Script_sections::find_memory_region): Check
2250 for a NULL output section pointer.
2251
d06fb4d1
DK		 22522010-10-29 Doug Kwan <dougkwan@google.com>
2253
2254 * arm.cc (Arm_outout_section::fix_exidx_coverage): Adjust call to
2255 Output_section::add_relaxed_input_section.
2256 * output.cc (Output_section::add_relaxed_input_section): Add new
2257 arguments LAYOUT and NAME. Set section order index.
2258 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2259 Copy section order index.
2260 * output.h (Output_section::add_relaxed_input_section): Add new
2261 arguments LAYOUT and NAME.
2262
90e24de5
ILT		 22632010-10-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2264
2265 * testsuite/Makefile.am: Move gcctestdir/ld rule to
2266 NATIVE_OR_CROSS_LINKER.
2267 * testsuite/Makefile.in: Regenerate.
2268
c9484ea5
DK		 22692010-10-20 Doug Kwan <dougkwan@google.com>
2270
2271 * arm.cc (Arm_relobj::do_read_symbols): Warn about ARM EXIDX sections
2272 without SHF_LINK_ORDER flags.
2273 * layout.cc (Layout::choose_output_section): Do not filter
2274 SHF_LINK_ORDER flag in a relocatable link.
2275
5bc2f5be
CC		 22762010-10-17 Cary Coutant <ccoutant@google.com>
2277
2278 * output.h (Output_segment::set_section_addresses): Change function
2279 signature. Update all callers.
2280 * output.cc (Output_segment::is_first_section_relro): Ignore TLS
2281 sections.
2282 (Output_segment::set_section_addresses): Align after last TLS
2283 section. Add padding before last relro section instead of after.
2284
0c91cf04
DK		 22852010-10-17 Doug Kwan <dougkwan@google.com>
2286
2287 * gold/arm.cc (Target_arm::got_section): Use correct order and set
2288 GOT output section to be writable.
2289
8c21d9d3
CC		 22902010-10-14 Cary Coutant <ccoutant@google.com>
2291
2292 * debug.h (DEBUG_INCREMENTAL): New flag.
2293 (debug_string_to_enum): Add DEBUG_INCREMENTAL).
2294 * gold.cc (queue_initial_tasks): Check parameters for incremental link
2295 mode.
2296 * incremental.cc (report_command_line): Ignore all forms of
2297 --incremental.
2298 * layout.cc (Layout::Layout): Check parameters for incremental link
2299 mode.
2300 * options.cc (General_options::parse_incremental): New function.
2301 (General_options::parse_no_incremental): New function.
2302 (General_options::parse_incremental_full): New function.
2303 (General_options::parse_incremental_update): New function.
2304 (General_options::incremental_mode_): New data member.
2305 (General_options::finalize): Check incremental_mode_.
2306 * options.h (General_options): Update help text for --incremental.
2307 Add --no-incremental, --incremental-full, --incremental-update.
2308 (General_options::Incremental_mode): New enum type.
2309 (General_options::incremental_mode): New function.
2310 (General_options::incremental_mode_): New data member.
2311 * parameters.cc (Parameters::incremental_mode_): New data member.
2312 (Parameters::set_options): Set incremental_mode_.
2313 (Parameters::set_incremental_full): New function.
2314 (Parameters::incremental): New function.
2315 (Parameters::incremental_update): New function.
2316 (set_parameters_incremental_full): New function.
2317 * parameters.h (Parameters::set_incremental_full): New function.
2318 (Parameters::incremental): New function.
2319 (Parameters::incremental_update): New function.
2320 (Parameters::incremental_mode_): New data member.
2321 (set_parameters_incremental_full): New function.
2322 * plugin.cc (Plugin_manager::add_input_file): Check parameters for
2323 incremental link mode.
2324 * reloc.cc (Sized_relobj::do_read_relocs): Likewise.
2325 (Sized_relobj::do_relocate_sections): Likewise.
2326 * testsuite/Makefile.am (incremental_test): Use --incremental-full
2327 option.
2328 * testsuite/Makefile.in: Regenerate.
2329 * testsuite/incremental_test.sh: Filter all forms of --incremental.
2330
bb32aa18 23312010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com>
eb373049
ILT		 2332
2333 * script-sections.h (class Script_sections): Make
2334 Sections_elements typedef public.
2335 * script-sections.cc (class Sort_output_sections): Add elements_
2336 field. Add constructor which sets it; change all callers.
2337 (Sort_output_sections::is_before): New function.
2338 (Sort_output_sections::operator()): Call is_before.
2339 * configure.ac (NATIVE_OR_CROSS_LINKER): New automake
2340 conditional.
2341 * testsuite/script_test_10.sh: New test. Test script section
2342 order.
2343 * testsuite/script_test_10.t: Likewise.
2344 * testsuite/script_test_10.s: Likewise.
2345 * testsuite/Makefile.am: Wrap the cross linker tests and the
2346 common tests into NATIVE_OR_CROSS_LINKER.
2347 (check_SCRIPTS): Add script_test_10.sh.
2348 (check_DATA): Add script_test_10.stdout.
2349 (script_test_10.o, script_test_10): New targets.
2350 (script_test_10.stdout): New target.
2351 * configure, testsuite/Makefile.in: Regenerate.
2352
3cef7179
ILT		 23532010-10-12 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2354
2355 * arm.cc (Target_arm::Scan::local): Report the unsupported reloc
2356 error for the deprecated relocations.
2357 (Target_arm::Scan::global): Likewise.
2358 (Target_arm::Relocate::relocate): Likewise.
2359
7411e9a8
RS		 23602010-10-12 Richard Sandiford <richard.sandiford@linaro.org>
2361
2362 * fileread.cc (Input_file::find_file): Initialize *found_name
2363 and *namep when using the fallback search for case 4.
2364
6a9da32a
CC		 23652010-10-11 Cary Coutant <ccoutant@google.com>
2366
2367 * options.h (class General_options): Redefine -z lazy as an alias for
2368 the negation of -z now.
2369
ac897c20
ILT		 23702010-10-11 Ian Lance Taylor <iant@google.com>
2371
2372 * resolve.cc (symbol_to_bits): Report the value of the unsupported
2373 binding.
2374
ea5cae92
NC		 23752010-10-06 Nick Clifton <nickc@redhat.com>
2376
2377 * script-sections.cc(class Memory_region): Remove
2378 current_lma_offset_ field. Rename current_vma_offset_ to
2379 current_offset_. Add last_section_ field.
2380 (Memory_region::get_current_vma_address): Rename to
2381 get_current_address.
2382 (Memory_region::get_current_lma_address): Delete.
2383 (Memory_region::increment_vma_offset): Rename to
2384 increment_offset.
2385 (Memory_region::increment_lma_offset): Delete.
2386 (Memory_region::attributes_compatible): New method. Returns
2387 true if the provided section is compatible with the region.
2388 (Memory_region::get_last_section): New method. Returns the last
2389 section to use the region.
2390 (Memory_region::set_last_section): New method. Stores the last
2391 section to use the region.
2392 (Script_sections::block_in_region): New method. Returns true if
2393 a block of memory is contained within a region.
2394 (Script_sections::find_memory_region): New method. Locates a
2395 memory region to be used to set a VMA or LMA address.
2396 (Output_section_definition::set_section_addresses): Add code to
2397 check for addresses set by memory regions.
2398 (Output_segment::set_section_addresses): Remove memory region
2399 walking code.
2400 (Script_sections::create_segment): Add a warning if a header
2401 segment is created outside of any region.
2402 * script-sections.h (class Script_sections): Add prototypes for
2403 find_memory_region and block_in_region methods.
2404 * testsuite/memory_test.s: Use .long instead of .word.
2405 * testsuite/memory_test.t: Add some more output sections.
2406 * testsuite/memory_test.sh: Update expected output.
2407
a9bfd952
DK		 24082010-10-02 Doug Kwan <dougkwan@google.com>
2409
2410 * symtab.cc (Symbol_table::Symbol_table_hash::operator()): Move
2411 defintion to symtab.h
2412 * symtab.h (Symbol_table::Symbol_table_hash::operator()): Change
2413 declaration to defintion.
2414
bacff3ab
NC		 24152010-10-01 Nick Clifton <nickc@redhat.com>
2416
2417 * expression.cc (eval): Replace dummy argument with NULL.
2418 (eval_maybe_dot): Check for a NULL result section pointer.
2419 (Symbol_expression::value): Likewise.
2420 (Dot_expression::value): Likewise.
2421 (BINARY_EXPRESSION): Likewise.
2422 (Max_expression::value): Likewise.
2423 (Min_expression::value): Likewise.
2424 (Absolute_expression::value): Likewise.
2425 (Addr_expression::value_from_output_section): Likewise.
2426 (Loaddddr_expression::value_from_output_section): Likewise.
2427 (Segment_start_expression::value): Likewise.
2428 * script-sections.cc
2429 (Sections_elememt_dot_assignment::finalize_symbols): Replace dummy
2430 argument with NULL.
2431 (Sections_elememt_dot_assignment::set_section_addresses):
2432 Likewise.
2433 (Output_data_expression::do_write_to_buffer): Likewise.
2434 (Output_section_definition::finalize_symbols): Likewise.
2435 (Output_section_definition::set_section_addresses): Likewise.
2436
f81bc8b5
DK		 24372010-09-30 Doug Kwan <dougkwan@google.com>
2438
2439 * gold/testsuite/arm_branch_out_of_range.sh: Fix broken tests.
2440
c95e9f27
ST		 24412010-09-28 Sriraman Tallam <tmsriram@google.com>
2442
2443 * target.h (Target::can_icf_inline_merge_sections): New virtual
bacff3ab 2444 function.
c95e9f27
ST		 2445 * x86_64.cc (Target__x86_64::can_icf_inline_merge_sections): New
2446 virtual function.
2447 * i386.cc (Target_i386::can_icf_inline_merge_sections): New
2448 virtual function.
2449 * icf.cc (get_section_contents): Inline merge sections only when
2450 target allows it.
2451
3cac54d2
RW		 24522010-09-27 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2453
2454 * configure: Regenerate.
2455
2904037a
ILT		 24562010-09-17 Ian Lance Taylor <iant@google.com>
2457
2458 * testsuite/memory_test.sh: Adjust for change of 2010-09-10.
d4d91489
ILT		 2459 * testsuite/Makefile.am (memory_test.o): New target.
2460 (memory_test): Depend on memory_test.o, gcctestdir/ld, and
2461 memory_test.t.
2462 * testsuite/Makefile.in: Rebuild.
2904037a 2463
bca7fb63
DK		 24642010-09-17 Doug Kwan <dougkwan@google.com>
2465
2466 * arm.cc (Target_arm::Relocate::relocate): Ignore symbol type and
2467 defintion if relocation uses GOT entries of the symbol.
2468 * testsuite/icf_safe_test.sh: Fix test.
2469 * testsuite/icf_safe_so_test.sh: Fix test.
2470
4ef28648
CC		 24712010-09-16 Cary Coutant <ccoutant@google.com>
2472
2473 * script_sections.cc (class Memory_region): Remove "NULL" from
2474 vector initializations.
2475
793990de
CC		 24762010-09-15 Cary Coutant <ccoutant@google.com>
2477
2478 * incremental.cc (Output_section_incremental_inputs::write_info_blocks):
2479 Resolve forwarding symbols.
2480
81e015e2
DK		 24812010-09-15 Doug Kwan <dougkwan@google.com>
2482
2483 * gold/testsuite/script_test_3.t: Add ARM special sections.
2484 * gold/testsuite/script_test_4.t: Same.
2485 * gold/testsuite/script_test_5.t: Same.
2486 * gold/testsuite/script_test_6.t: Same.
2487 * gold/testsuite/script_test_7.t: Same.
2488 * gold/testsuite/script_test_7.t: Same.
2489 * gold/testsuite/thumb_blx_out_of_range.s: Fix instruction alignment.
2490
36171d64
CC		 24912010-09-14 Cary Coutant <ccoutant@google.com>
2492
2493 * x86_64.cc (Target_x86_64::saw_tls_block_reloc_): Remove member.
2494 (Target_x86_64::Relocate::relocate_tls): Replace check for
2495 saw_tls_block_reloc_ with test for executable section.
2496
d89051bd
CC		 24972010-09-12 Cary Coutant <ccoutant@google.com>
2498
2499 * symtab.h (Symbol::needs_dynamic_reloc): Non-PIC calls from
2500 position-independent executables to shared libraries need dynamic
2501 relocations.
2502 (Symbol::may_need_copy_reloc): Do not generate COPY relocs in
2503 position-independent executables.
2504 * testsuite/Makefile.am (two_file_mixed_pie_test): New test.
2505 * testsuite/Makefile.in: Regenerate.
2506
fca41f0f
NC		 25072010-09-10 Nick Clifton <nickc@redhat.com>
2508
2509 PR gold/11997
2510 * testsuite/memory_test.t: Discard any sections that are not
2511 needed.
2512
6695e4b3
L		 25132010-09-09 H.J. Lu <hongjiu.lu@intel.com>
2514
2515 PR gold/11996
2516 * object.cc (Sized_relobj::do_finalize_local_symbols): Remove
2517 "This::" to work around a bug in gcc 4.2.
2518
2519 * testsuite/ifuncmain7.c (foo_ifunc): Add __attribute__ ((used)).
2520
0f72bf6f
RÁE		 25212010-09-09 Rafael Espindola <espindola@google.com>
2522
2523 * layout.cc (Layout::attach_allocated_section_to_segment): Don't put
2524 sections with different PF_X flags in the same segment.
2525 (Layout::find_first_load_seg): Search all segments to find the first
2526 one.
2527 * options.h (rosegment): New.
2528
25292010-09-08 Rafael Espindola <espindola@google.com>
a6577478 2530
05a79166 2531 * layout.cc (Layout::set_segment_offsets): Always advance to a new page.
a6577478 2532
aa98ff75
DK		 25332010-09-08 Doug Kwan <dougkwan@google.com>
2534
2535 * arm.cc (Arm_exidx_cantunwind::do_print_to_mapfile): New method.
2536 (Arm_relobj::do_relocate_sections): Add new parameter for output
2537 file to match the parent.
2538 (Target_arm::scan_reloc_section_for_stubs): Use would-be final values
2539 of local symbols instead of input values. Update code to track
2540 changes in gold::relocate_section.
2541 * object.cc (Sized_relobj::compute_final_local_value): New methods.
2542 (Sized_relobj::compute_final_local_value_internal): New methods.
2543 (Sized_relobj::do_finalize_local_symbols): Move code from loop
2544 body into private version of Sized_relobj::compute_final_local_value.
2545 Call the inline method.
2546 * object.h (Symbol_value::Symbol_value): Define destructor. Free
2547 merged symbol value if there is one.
2548 (Symbol_value::has_output_value): New method defintiion.
2549 (Sized_relobj::Compute_final_local_value_status): New enum type.
2550 (Sized_relobj::compute_final_local_value): New methods.
2551 (Sized_relobj::compute_final_local_value_internal): New methods.
2552 * Makefile.am (check_SCRIPTS): Add arm_branch_out_of_range.sh
2553 and arm_cortex_a8.sh.
2554 (thumb_bl_out_of_range_local, arm_cortex_a8_b_cond, arm_cortex_a8_bl,
2555 arm_cortex_a8_blx, arm_cortex_a8_local, arm_corte_a8_local_reloc):
2556 New tests.
2557 * Makefile.in: Regenerate.
2558 * testsuite/arm_bl_out_of_range.s: Update test.
2559 * testsuite/thumb_bl_out_of_range.s: Ditto.
2560 * testsuite/thumb_blx_out_of_range.s: Ditto.
2561 * testsuite/arm_branch_out_of_range.sh: New file.
2562 * testsuite/arm_cortex_a8.sh: Ditto.
2563 * testsuite/arm_cortex_a8_b.s: Ditto.
2564 * testsuite/arm_cortex_a8_b_cond.s: Ditto.
2565 * testsuite/arm_cortex_a8_b_local.s: Ditto.
2566 * testsuite/arm_cortex_a8_bl.s: Ditto.
2567 * testsuite/arm_cortex_a8_blx.s: Ditto.
2568 * testsuite/arm_cortex_a8_local.s: Ditto.
2569 * testsuite/arm_cortex_a8_local_reloc.s: Ditto.
2570 * testsuite/thumb_bl_out_of_range_local.s: Ditto.
2571
05a79166
L		 25722010-09-08 Rafael Espindola <espindola@google.com>
2573
2574 * Makefile.am (memory_test.stdout): Run readelf with -W.
2575 * Makefile.in: Regenerate.
2576 * testsuite/memory_test.sh: Make the regexps accept both 32 and
2577 64 bit output.
2578
33dbc701
RÁE		 25792010-09-08 Rafael Espindola <espindola@google.com>
2580
2581 * script-sections.cc (Script_sections::add_memory_region): Convert
2582 field precision to int.
2583 * script.cc (script_set_section_region, script_set_section_region):
2584 Convert field precision to int.
2585
731ca54a
RÁE		 25862010-09-08 Rafael Espindola <espindola@google.com>
2587
2588 * arm.cc (do_finalize_sections): Create the __exidx_start and
2589 __exdix_end symbols even when the section is missing.
2590
7f8cd844
NC		 25912010-09-08 Nick Clifton <nickc@redhat.com>
2592
2593 * README: Remove claim that MEMORY is not supported.
2594 * expression.cc (script_exp_function_origin)
2595 (script_exp_function_length): Move from here to ...
2596 * script.cc: ... here.
2597 (script_set_section_region, script_add_memory)
2598 (script_parse_memory_attr, script_include_directive): New
2599 functions.
2600 * script-sections.cc
2601 (class Memory_region): New class.
2602 (class Output_section_definition): Add set_memory_region,
2603 set_section_vma, set_section_lma and get_section_name methods.
2604 (class Script_Sections): Add add_memory_region,
2605 find_memory_region, find_memory_region_origin,
2606 find_memory_region_length and set_memory_region methods.
2607 Have set_section_addresses method walk the list of set memory
2608 regions.
2609 Extend the print methos to display memory regions.
2610 * script-sections.h: Add prototypes for new methods.
2611 Add enum for MEMORY region attributes.
2612 * yyscript.y: Add support for parsing MEMORY regions.
2613 * script-c.h: Add prototypes for new functions.
2614 * testsuite/Makefile.am: Add test of MEMORY region functionality.
2615 * testsuite/Makefile.in: Regenerate.
2616 * testsuite/memory_test.sh: New script.
2617 * testsuite/memory_test.s: New assembler source file.
2618 * testsuite/memory_test.t: New linker script.
2619
a4649286
DK		 26202010-08-27 Doug Kwan <dougkwan@google.com>
2621
2622 * gold/resolve.cc (Symbol_table::should_override): Let a weak
2623 reference override an existing dynamic weak reference.
2624 * testsuite/Makefile.am: Add new test dyn_weak_ref.
2625 * testsuite/Makefile.in: Regenerate.
2626 * testsuite/dyn_weak_ref.sh: New file.
2627 * testsuite/dyn_weak_ref_1.c: Ditto.
2628 * testsuite/dyn_weak_ref_2.c: Ditto.
2629
b56648ad
ILT		 26302010-08-27 Ian Lance Taylor <iant@google.com>
2631
2632 * incremental.h (class Incremental_input_entry): Add virtual
2633 destructor.
2634
809313cb
ILT		 26352010-08-27 Ian Lance Taylor <iant@google.com>
2636
2637 * testsuite/start_lib_test_3.c: Mark t3 as used.
2638
11e32464
NC		 26392010-08-27 Nick Clifton <nickc@redhat.com>
2640
2641 * options.cc (version_script): Fix small typo in previous
2642 whitespace tidyup.
2643
ca09d69a
NC		 26442010-08-25 Nick Clifton <nickc@redhat.com>
2645
2646 * archive.cc: Formatting fixes: Remove whitespace between
2647 typename and following asterisk. Remove whitespace between
2648 function name and opening parenthesis.
2649 * archive.h: Likewise.
2650 * arm.cc: Likewise.
2651 * attributes.cc: Likewise.
2652 * attributes.h: Likewise.
2653 * common.cc: Likewise.
2654 * copy-relocs.cc: Likewise.
2655 * dirsearch.h: Likewise.
2656 * dynobj.cc: Likewise.
2657 * ehframe.cc: Likewise.
2658 * ehframe.h: Likewise.
2659 * expression.cc: Likewise.
2660 * fileread.cc: Likewise.
2661 * fileread.h: Likewise.
2662 * gc.h: Likewise.
2663 * gold-threads.cc: Likewise.
2664 * gold.cc: Likewise.
2665 * i386.cc: Likewise.
2666 * icf.h: Likewise.
2667 * incremental-dump.cc: Likewise.
2668 * incremental.cc: Likewise.
2669 * layout.cc: Likewise.
2670 * layout.h: Likewise.
2671 * main.cc: Likewise.
2672 * merge.cc: Likewise.
2673 * merge.h: Likewise.
2674 * object.cc: Likewise.
2675 * object.h: Likewise.
2676 * options.cc: Likewise.
2677 * options.h: Likewise.
2678 * output.cc: Likewise.
2679 * output.h: Likewise.
2680 * plugin.cc: Likewise.
2681 * plugin.h: Likewise.
2682 * powerpc.cc: Likewise.
2683 * reloc.cc: Likewise.
2684 * script-c.h: Likewise.
2685 * script-sections.cc: Likewise.
2686 * script.cc: Likewise.
2687 * stringpool.cc: Likewise.
2688 * symtab.cc: Likewise.
2689 * symtab.h: Likewise.
2690 * target.cc: Likewise.
2691 * timer.cc: Likewise.
2692 * timer.h: Likewise.
2693 * version.cc: Likewise.
2694 * x86_64.cc: Likewise.
2695
b8fa8750
NC		 26962010-08-24 Nick Clifton <nickc@redhat.com>
2697
2698 PR 11899
2699 * layout.cc (segment_precedes): Sort segments by their physical
2700 addresses, if they have been set.
2701
9919d93b
CC		 27022010-08-23 Cary Coutant <ccoutant@google.com>
2703
2704 * archive.cc (Lib_group::add_symbols): Lock object before deleting its
2705 symbols data.
2706 (Lib_group::include_member): Unlock object after deleting its
2707 symbols data.
2708 * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
2709 the bug fixed here.
2710
97b4be1c
CC		 27112010-08-19 Neil Vachharajani <nvachhar@google.com>
2712 Cary Coutant <ccoutant@google.com>
2713
2714 * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
2715 constructor, and set_blocker.
2716 * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
2717 readsyms_blocker_.
2718 * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
2719 this->this_blocker_ to Add_lib_group_symbols::set_blocker.
2720 * testsuite/Makefile.am (start_lib_test): New test case.
2721 * testsuite/Makefile.in: Regenerate.
2722 * testsuite/start_lib_test_main.c: New file.
2723 * testsuite/start_lib_test_1.c: New file.
2724 * testsuite/start_lib_test_2.c: New file.
2725 * testsuite/start_lib_test_3.c: New file.
2726
dd0b1884
ILT		 27272010-08-19 Ian Lance Taylor <iant@google.com>
2728
2729 * Makefile.in: Rebuild with automake 1.11.1.
2730 * aclocal.m4: Likewise.
2731 * testsuite/Makefile.in: Likewise.
2732
7223e9ca
ILT		 27332010-08-19 Ian Lance Taylor <iant@google.com>
2734
2735 PR 10893
2736 * i386.cc (class Output_data_plt_i386): Update declarations.
2737 Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and
2738 local_ifuncs_ fields.
2739 (Target_i386::do_plt_section_for_global): New function.
2740 (Target_i386::do_plt_section_for_local): New function.
2741 (Output_data_plt_i386::Output_data_plt_i386): Add symtab
2742 parameter; change all callers. Initialize global_ifuncs_ and
2743 local_ifuncs_. If doing a static link define __rel_iplt_start and
2744 __rel_iplt_end.
2745 (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
2746 (Output_data_plt_i386::add_local_ifunc_entry): New function.
2747 (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
2748 symbols.
2749 (Target_i386::make_plt_section): New function, broken out of
2750 make_plt_entry. Set sh_info field of .rel.plt to point to .plt.
2751 (Target_i386::make_plt_entry): Call make_plt_section.
2752 (Target_i386::make_local_ifunc_plt_entry): New function.
2753 (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
2754 (Target_i386::Scan::local): Handle IFUNC symbols. Add
2755 R_386_IRELATIVE to switch.
2756 (Target_i386::Scan::global): Likewise.
2757 (Target_i386::Relocate::relocate): Likewise.
2758 (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
2759 switch.
2760 * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
2761 (Target_x86_64::do_plt_section_for_global): New function.
2762 (Target_x86_64::do_plt_section_for_local): New function.
2763 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
2764 parameter; change all callers. If doing a static link define
2765 __rela_iplt_start and __rela_iplt_end.
2766 (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
2767 (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
2768 (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
2769 to point to .plt.
2770 (Target_x86_64::make_local_ifunc_plt_entry): New function.
2771 (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
2772 switch.
2773 (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
2774 (Target_x86_64::Scan::local): Handle IFUNC symbols. Add
2775 R_X86_64_IRELATIVE to switch.
2776 (Target_x86_64::Scan::global): Likewise.
2777 (Target_x86_64::Relocate::relocate): Likewise.
2778 (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
2779 switch.
2780 * target.h (class Target): Add plt_section_for_global and
2781 plt_section_for_local functions. Add do_plt_section_for_global
2782 and do_plt_section_for_local virtual functions.
2783 * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add
2784 clarifying comments.
2785 (Symbol::use_plt_offset): Handle IFUNC symbol.
2786 * object.cc (Sized_relobj::Sized_relobj): Initialize
2787 local_plt_offsets_.
2788 (Sized_relobj::local_has_plt_offset): New function.
2789 (Sized_relobj::local_plt_offset): New function.
2790 (Sized_relobj::set_local_plt_offset): New function.
2791 (Sized_relobj::do_count): Handle IFUNC symbol.
2792 * object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take
2793 a bit away from input_shndx_ field. Add set_is_func_symbol and
2794 is_ifunc_symbol functions.
2795 (class Sized_relobj): Update declarations. Remove Tls_got_entry
2796 and Local_tls_got_offsets. Define Local_plt_offsets. Add
2797 local_plt_offsets_ field.
2798 (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
2799 * output.h (class Output_section_data): Add non-const
2800 output_section function.
2801 (class Output_data_got): Update declarations.
2802 (class Output_data_got::Got_entry): Add use_plt_offset_ field.
2803 Add use_plt_offset parameter to global and local constructors.
2804 Change all callers. Change local_sym_index_ field to 31 bits.
2805 Change GSYM_CODE and CONSTANT_CODE accordingly.
2806 * output.cc (Output_data_reloc_base::do_adjust_output_section): If
2807 doing a static link don't set sh_link field.
2808 (Output_data_got::Got_entry::write): Use PLT offset if
2809 appropriate.
2810 (Output_data_got::add_global_plt): New function.
2811 (Output_data_got::add_local_plt): New function.
2812 * target-reloc.h (relocate_section): Handle IFUNC symbol.
2813 * defstd.cc (in_section): Remove entries for __rel_iplt_start,
2814 __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
2815 * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
2816 * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
2817 IFUNC conditional.
2818 * testsuite/ifunc-sel.h: New file.
2819 * testsuite/ifuncmain1.c: New file.
2820 * testsuite/ifuncmain1vis.c: New file.
2821 * testsuite/ifuncmod1.c: New file.
2822 * testsuite/ifuncdep2.c: New file.
2823 * testsuite/ifuncmain2.c: New file.
2824 * testsuite/ifuncmain3.c: New file.
2825 * testsuite/ifuncmod3.c: New file.
2826 * testsuite/ifuncmain4.c: New file.
2827 * testsuite/ifuncmain5.c: New file.
2828 * testsuite/ifuncmod5.c: New file.
2829 * testsuite/ifuncmain6pie.c: New file.
2830 * testsuite/ifuncmod6.c: New file.
2831 * testsuite/ifuncmain7.c: New file.
2832 * configure, testsuite/Makefile.in: Rebuild.
2833
56f75c03
ILT		 28342010-08-18 Ian Lance Taylor <iant@google.com>
2835
2836 * incremental.cc
2837 (Output_section_incremental_inputs::write_input_files): Add cast
2838 to avoid signed/unsigned comparison warning.
2839 (Output_section_incremental_inputs::write_info_blocks): Likewise.
2840
55455f89
CC		 28412010-08-12 Cary Coutant <ccoutant@google.com>
2842
2843 * common.cc (Sort_commons::operator()): Remove unnecessary code.
2844
e2054bcb
ILT		 28452010-08-13 Ian Lance Taylor <iant@google.com>
2846
2847 * testsuite/incremental_test_1.c: Add prototype to avoid warning.
2848
74f67560
DK		 28492010-08-12 Cary Coutant <ccoutant@google.com>
2850 Doug Kwan <dougkwan@google.com>
2851
2852 * resolve.cc (Symbol_table::should_override): When a weak dynamic
2853 defintion overrides non-weak undef, remember that the original undef
2854 is not weak.
2855 * symtab.cc (Symbol_table::sized_write_global): For undef without
2856 an original weak binding, set binding to global in output.
2857 * testsuite/Makefile.am: Add new test strong_ref_weak_def.
2858 * testsuite/Makefile.in: Regenerate.
2859 * testsuite/strong_ref_weak_def.sh: New file.
2860 * testsuite/strong_ref_weak_def_1.c: Ditto.
2861 * testsuite/strong_ref_weak_def_2.c: Ditto.
2862
d1238d12
CC		 28632010-08-12 Cary Coutant <ccoutant@google.com>
2864
2865 * testsuite/incremental_test.sh: Rewrite.
2866 * testsuite/incremental_test_1.c: Rewrite.
2867 * testsuite/incremental_test_2.c: Rewrite.
2868
0e70b911
CC		 28692010-08-12 Cary Coutant <ccoutant@google.com>
2870
2871 * arm.cc (Target_arm::got_size): Add const.
2872 (Target_arm::got_entry_count): New function.
2873 (Target_arm::plt_entry_count): New function.
2874 (Target_arm::first_plt_entry_offset): New function.
2875 (Target_arm::plt_entry_size): New function.
2876 (Output_data_plt_arm::entry_count): New function.
2877 (Output_data_plt_arm::first_plt_entry_offset): New function.
2878 (Output_data_plt_arm::get_plt_entry_size): New function.
2879 * i386.cc (Target_i386::got_size): Add const.
2880 (Target_i386::got_entry_count): New function.
2881 (Target_i386::plt_entry_count): New function.
2882 (Target_i386::first_plt_entry_offset): New function.
2883 (Target_i386::plt_entry_size): New function.
2884 (Output_data_plt_i386::entry_count): New function.
2885 (Output_data_plt_i386::first_plt_entry_offset): New function.
2886 (Output_data_plt_i386::get_plt_entry_size): New function.
2887 * incremental-dump.cc (dump_incremental_inputs): Adjust call to
2888 find_incremental_inputs_sections. Dump incremental_got_plt section.
2889 * incremental.cc: Include target.h.
2890 (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
2891 parameter. Adjust all callers. Find incremental_got_plt section.
2892 (Incremental_inputs::create_data_sections): Create incremental_got_plt
2893 section.
2894 (Output_section_incremental_inputs::set_final_data_size): Calculate
2895 size of incremental_got_plt section.
2896 (Output_section_incremental_inputs::do_write): Write the
2897 incremental_got_plt section.
2898 (Got_plt_view_info): New struct.
2899 (Local_got_offset_visitor): New class.
2900 (Global_got_offset_visitor): New class.
2901 (Global_symbol_visitor_got_plt): New class.
2902 (Output_section_incremental_inputs::write_got_plt): New function.
2903 * incremental.h (Incremental_binary::find_incremental_inputs_sections):
2904 Add parameter. Adjust all callers.
2905 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2906 (Incremental_inputs::got_plt_section): New function.
2907 (Incremental_inputs::got_plt_section_): New data member.
2908 (Incremental_got_plt_reader): New class.
2909 * layout.cc (Layout::create_incremental_info_sections): Add the
2910 incremental_got_plt section.
2911 * object.h (Got_offset_list::get_list): New function.
2912 (Got offset_list::for_all_got_offsets): New function.
2913 (Sized_relobj::local_got_offset_list): New function.
2914 * powerpc.cc (Target_powerpc::got_size): Add const.
2915 (Target_powerpc::got_entry_count): New function.
2916 (Target_powerpc::plt_entry_count): New function.
2917 (Target_powerpc::first_plt_entry_offset): New function.
2918 (Target_powerpc::plt_entry_size): New function.
2919 (Output_data_plt_powerpc::entry_count): New function.
2920 (Output_data_plt_powerpc::first_plt_entry_offset): New function.
2921 (Output_data_plt_powerpc::get_plt_entry_size): New function.
2922 * sparc.cc (Target_sparc::got_size): Add const.
2923 (Target_sparc::got_entry_count): New function.
2924 (Target_sparc::plt_entry_count): New function.
2925 (Target_sparc::first_plt_entry_offset): New function.
2926 (Target_sparc::plt_entry_size): New function.
2927 (Output_data_plt_sparc::entry_count): New function.
2928 (Output_data_plt_sparc::first_plt_entry_offset): New function.
2929 (Output_data_plt_sparc::get_plt_entry_size): New function.
2930 * symtab.h (Symbol::got_offset_list): New function.
2931 (Symbol_table::for_all_symbols): New function.
2932 * target.h (Sized_target::got_entry_count): New function.
2933 (Sized_target::plt_entry_count): New function.
2934 (Sized_target::plt_entry_size): New function.
2935 * x86_64.cc (Target_x86_64::got_size): Add const.
2936 (Target_x86_64::got_entry_count): New function.
2937 (Target_x86_64::plt_entry_count): New function.
2938 (Target_x86_64::first_plt_entry_offset): New function.
2939 (Target_x86_64::plt_entry_size): New function.
2940 (Output_data_plt_x86_64::entry_count): New function.
2941 (Output_data_plt_x86_64::first_plt_entry_offset): New function.
2942 (Output_data_plt_x86_64::get_plt_entry_size): New function.
2943
09ec0418
CC		 29442010-08-12 Cary Coutant <ccoutant@google.com>
2945
2946 * archive.cc: Include incremental.h.
2947 (Archive::Archive): Initialize incremental_info_.
2948 (Archive::include_member): Record archive members in incremental info.
2949 (Add_archive_symbols::run): Record begin and end of an archive in
2950 incremental info.
2951 (Lib_group::include_member): Record objects in incremental info.
2952 * archive.h (Incremental_archive_entry): Forward declaration.
2953 (Archive::set_incremental_info): New member function.
2954 (Archive::incremental_info): New member function.
2955 (Archive::Unused_symbol_iterator): New class.
2956 (Archive::unused_symbols_begin): New member function.
2957 (Archive::unused_symbols_end): New member function.
2958 (Archive::incremental_info_): New data member.
2959 * incremental-dump.cc (find_input_containing_global): New function.
2960 (dump_incremental_inputs): Dump new incremental info sections.
2961 * incremental.cc: Include symtab.h.
2962 (Output_section_incremental_inputs): New class.
2963 (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
2964 new incremental info sections.
2965 (Sized_incremental_binary::do_check_inputs): Likewise.
2966 (Incremental_inputs::report_archive): Remove.
2967 (Incremental_inputs::report_archive_begin): New function.
2968 (Incremental_inputs::report_archive_end): New function.
2969 (Incremental_inputs::report_object): New function.
2970 (Incremental_inputs::finalize_inputs): Remove.
2971 (Incremental_inputs::report_input_section): New function.
2972 (Incremental_inputs::report_script): Rewrite.
2973 (Incremental_inputs::finalize): Do nothing but finalize string table.
2974 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
2975 (Incremental_inputs::sized_create_inputs_section_data): Remove.
2976 (Incremental_inputs::create_data_sections): New function.
2977 (Incremental_inputs::relocs_entsize): New function.
2978 (Output_section_incremental_inputs::set_final_data_size): New function.
2979 (Output_section_incremental_inputs::do_write): New function.
2980 (Output_section_incremental_inputs::write_header): New function.
2981 (Output_section_incremental_inputs::write_input_files): New function.
2982 (Output_section_incremental_inputs::write_info_blocks): New function.
2983 (Output_section_incremental_inputs::write_symtab): New function.
2984 * incremental.h (Incremental_script_entry): Forward declaration.
2985 (Incremental_object_entry): Forward declaration.
2986 (Incremental_archive_entry): Forward declaration.
2987 (Incremental_inputs): Forward declaration.
2988 (Incremental_inputs_header_data): Remove.
2989 (Incremental_inputs_header): Remove.
2990 (Incremental_inputs_header_write): Remove.
2991 (Incremental_inputs_entry_data): Remove.
2992 (Incremental_inputs_entry): Remove.
2993 (Incremental_inputs_entry_write): Remove.
2994 (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
2995 (Incremental_binary::find_incremental_inputs_sections): Add parameters.
2996 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
2997 (Sized_ncremental_binary::do_find_incremental_inputs_sections):
2998 Likewise.
2999 (Incremental_input_entry): New class.
3000 (Incremental_script_entry): New class.
3001 (Incremental_object_entry): New class.
3002 (Incremental_archive_entry): New class.
3003 (Incremental_inputs::Incremental_inputs): Initialize new data members.
3004 (Incremental_inputs::report_inputs): Remove.
3005 (Incremental_inputs::report_archive): Remove.
3006 (Incremental_inputs::report_archive_begin): New function.
3007 (Incremental_inputs::report_archive_end): New function.
3008 (Incremental_inputs::report_object): Change prototype.
3009 (Incremental_inputs::report_input_section): New function.
3010 (Incremental_inputs::report_script): Change prototype.
3011 (Incremental_inputs::get_reloc_count): New function.
3012 (Incremental_inputs::set_reloc_count): New function.
3013 (Incremental_inputs::create_data_sections): New function.
3014 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
3015 (Incremental_inputs::inputs_section): New function.
3016 (Incremental_inputs::symtab_section): New function.
3017 (Incremental_inputs::relocs_section): New function.
3018 (Incremental_inputs::get_stringpool): Add const.
3019 (Incremental_inputs::command_line): Add const.
3020 (Incremental_inputs::inputs): Remove.
3021 (Incremental_inputs::command_line_key): New function.
3022 (Incremental_inputs::input_file_count): New function.
3023 (Incremental_inputs::input_files): New function.
3024 (Incremental_inputs::relocs_entsize): New function.
3025 (Incremental_inputs::sized_create_inputs_section_data): Remove.
3026 (Incremental_inputs::finalize_inputs): Remove.
3027 (Incremental_inputs::Input_info): Remove.
3028 (Incremental_inputs::lock_): Remove.
3029 (Incremental_inputs::inputs_): Change type.
3030 (Incremental_inputs::inputs_map_): Remove.
3031 (Incremental_inputs::current_object_entry_): New data member.
3032 (Incremental_inputs::inputs_section_): New data member.
3033 (Incremental_inputs::symtab_section_): New data member.
3034 (Incremental_inputs::relocs_section_): New data member.
3035 (Incremental_inputs::reloc_count_): New data member.
3036 (Incremental_inputs_reader): New class.
3037 (Incremental_symtab_reader): New class.
3038 (Incremental_relocs_reader): New class.
3039 * layout.cc (Layout::finalize): Move finalization of incremental info
3040 and creation of incremental info sections to follow finalization of
3041 symbol table. Set offsets for postprocessing sections.
3042 (Layout::create_incremental_info_sections): Call
3043 Incremental_inputs::create_data_sections. Add incremental symtab
3044 and relocs sections. Set sh_entsize and sh_link fields. Arrange for
3045 sections to layout after input sections.
3046 * layout.h (struct Timespec): Forward declaration.
3047 (Layout::incremental_inputs): Add const.
3048 (Layout::create_incremental_info_sections): Add parameter.
3049 * main.cc (main): Remove call to Incremental_inputs::report_inputs.
3050 * object.cc: Include incremental.h.
3051 (Relobj::finalize_incremental_relocs): New function.
3052 (Sized_relobj::do_layout): Record input sections in incremental info.
3053 * object.h (Object::output_section): New function.
3054 (Object::output_section_offset): Moved from Relobj.
3055 (Object::get_incremental_reloc_base): New function.
3056 (Object::get_incremental_reloc_count): New function.
3057 (Object::do_output_section): New function.
3058 (Object::do_output_section_offset): Moved from Relobj.
3059 (Object::do_get_incremental_reloc_base): New function.
3060 (Object::do_get_incremental_reloc_count): New function.
3061 (Object::Object): Initialize new data members.
3062 (Relobj::output_section): Renamed do_output_section and moved to
3063 protected.
3064 (Relobj::output_section_offset): Moved to Object.
3065 (Relobj::do_get_incremental_reloc_base): New function.
3066 (Relobj::do_get_incremental_reloc_count): New function.
3067 (Relobj::allocate_incremental_reloc_counts): New function.
3068 (Relobj::count_incremental_reloc): New function.
3069 (Relobj::finalize_incremental_relocs): New function.
3070 (Relobj::next_incremental_reloc_index): New function.
3071 (Relobj::reloc_counts_): New data member.
3072 (Relobj::reloc_bases_): New data member.
3073 (Sized_relobj::do_relocate_sections): Add parameter. Change caller.
3074 (Sized_relobj::relocate_sections): Add parameter. Change all callers.
3075 (Sized_relobj::incremental_relocs_scan): New function.
3076 (Sized_relobj::incremental_relocs_scan_reltype): New function.
3077 (Sized_relobj::incremental_relocs_write): New function.
3078 (Sized_relobj::incremental_relocs_write_reltype): New function.
3079 * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
3080 incremental link.
3081 * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
3082 archives and object files elsewhere.
3083 (Add_symbols::run): Report object files here.
3084 (Finish_group::run): Report end of archive at end of group.
3085 * reloc.cc: Include layout.h, incremental.h.
3086 (Sized_relobj::do_read_relocs): Need relocations for incremental link.
3087 (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
3088 (Sized_relobj::incremental_relocs_scan): New function.
3089 (Sized_relobj::incremental_relocs_scan_reltype): New function.
3090 (Sized_relobj::do_relocate_sections): Write incremental relocations.
3091 (Sized_relobj::incremental_relocs_write): New function.
3092 (Sized_relobj::incremental_relocs_write_reltype): New function.
3093 * script.cc (read_input_script): Rewrite test for incremental link.
3094 Change call to Incremental_inputs::report_script.
3095 * symtab.h (Symbol_table::first_global_index): New function.
3096 (Symbol_table::output_count): New function.
3097
ce0d1972
DK		 30982010-08-12 Doug Kwan <dougkwan@google.com>
3099
3100 * arm.cc (Target_arm::merge_object_attributes): Check command line
3101 options --no-wchar-size-warning and --no-enum-size-warning.
3102 * options.h (General_options): Add ld-compatible options
3103 --no-enum-size-warning and --no-wchar-size-warning.
3104
6e5710ce
ILT		 31052010-08-04 Ian Lance Taylor <iant@google.com>
3106
3107 * x86_64.cc (Target_x86_64::Scan::local): Use
3108 R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
3109 R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
3110 (Target_x86_64::Scan::global): Likewise.
3111 (Target_x86_64::Relocate::relocate): Likewise.
3112 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
3113 Likewise.
3114
fef830db
CC		 31152010-08-03 Cary Coutant <ccoutant@google.com>
3116
3117 * merge.cc (Output_merge_string::do_add_input_section): Count strings
3118 to reserve space in merged_strings vector. Keep total input size
3119 for stats.
3120 (Output_merge_string::do_print_merge_stats): Print total input size.
3121 * merge.h (Output_merge_string): Add input_size_ field.
3122 * stringpool.cc (Stringpool_template::string_length): Move
3123 implementations out of Stringpool_template class and place in
3124 stringpool.h.
3125 * stringpool.h (string_length): Move out of Stringpool_template.
3126
1e3811b0
ILT		 31272010-08-03 Ian Lance Taylor <iant@google.com>
3128
3129 PR 11712
3130 * layout.cc (relaxation_loop_body): If address of load segment is
3131 set, adjust address to include headers if possible.
3132
7af0c620
ILT		 31332010-08-03 Ian Lance Taylor <iant@google.com>
3134
3135 * version.cc (version_string): Bump to 1.10.
3136
22f0da72
ILT		 31372010-08-03 Ian Lance Taylor <iant@google.com>
3138
3139 PR 11805
3140 * layout.h (enum Output_section_order): Define.
3141 (class Layout): Update declarations.
3142 * layout.cc (Layout::get_output_section): Add order parameter.
3143 Remove is_interp, is_dynamic_linker_section, is_last_relro, and
3144 is_first_non_relro parameters. Change all callers.
3145 (Layout::choose_output_section): Likewise.
3146 (Layout::add_output_section_data): Likewise.
3147 (Layout::make_output_section): Likewise. Set order.
3148 (Layout::default_section_order): New function.
3149 (Layout::layout_eh_frame): Call add_output_section_to_nonload.
3150 * output.cc (Output_section::Output_section): Initialize order_.
3151 Don't initialize deleted fields.
3152 (Output_segment::Output_segment): Don't initialize deleted
3153 fields.
3154 (Output_segment::add_output_section_to_load): New function
3155 replacing add_output_section. Change all callers to call this or
3156 add_output_section_to_nonload.
3157 (Output_segment::add_output_section_to_nonload): New function.
3158 (Output_segment::remove_output_section): Rewrite.
3159 (Output_segment::add_initial_output_data): Likewise.
3160 (Output_segment::has_any_data_sections): Likewise.
3161 (Output_segment::is_first_section_relro): Likewise.
3162 (Output_segment::maximum_alignment): Likewise.
3163 (Output_segment::has_dynamic_reloc): New function replacing
3164 dynamic_reloc_count. Change all callers.
3165 (Output_segment::has_dynamic_reloc_list): New function replacing
3166 dynamic_reloc_count_list. Change all callers.
3167 (Output_segment::set_section_addresses): Rewrite.
3168 (Output_segment::set_offset): Rewrite.
3169 (Output_segment::find_first_and_last_list): Remove.
3170 (Output_segment::set_tls_offsets): Rewrite.
3171 (Output_segment::first_section_load_address): Likewise.
3172 (Output_segment::output_section_count): Likewise.
3173 (Output_segment::section_with_lowest_load_address): Likewise.
3174 (Output_segment::write_section_headers): Likewise.
3175 (Output_segment::print_sections_to_map): Likewise.
3176 * output.h (class Output_data): Remove dynamic_reloc_count_
3177 field. Add has_dynamic_reloc_ field. Make bools into bitfields.
3178 (Output_data::add_dynamic_reloc): Rewrite.
3179 (Output_data::has_dynamic_reloc): New function.
3180 (Output_data::dynamic_reloc_count): Remove.
3181 (class Output_section): Add order_ field. Remvoe is_relro_local_,
3182 is_last_relro_, is_first_non_relro_, is_interp_,
3183 is_dynamic_linker_section_ fields. Add order and set_order
3184 functions. Remove is_relro_local, set_is_relro_local,
3185 is_last_relro, set_is_last_relro, is_first_non_relro,
3186 set_is_first_non_relro functions, is_interp, set_is_interp,
3187 is_dynamic_linker_section, and set_is_dynamic_linker_section
3188 functions.
3189 (class Output_segment): Change Output_data_list from std::list to
3190 std:;vector. Add output_lists_ field. Remove output_data_ and
3191 output_bss_ fields. Update declarations.
3192
3ff2ccb0
ILT		 31932010-08-02 Ian Lance Taylor <iant@google.com>
3194
3195 * arm.cc (Target_arm::gc_process_relocs): Use typename.
3196 * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
3197 * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
3198
88a4108b
ILT		 31992010-08-02 Ian Lance Taylor <iant@google.com>
3200
3201 PR 11855
3202 * script.cc (Script_options::Script_options): Initialize
3203 symbol_definitions_ and symbol_references_.
3204 (Script_options::add_symbol_assignment): Update
3205 symbol_definitions_ and symbol_references_.
3206 (Script_options::add_symbol_reference): New function.
3207 (script_symbol): New function.
3208 * script.h (class Script_options): Add symbol_definitions_ and
3209 symbol_references_ fields.
3210 (Script_options::referenced_const_iterator): New type.
3211 (Script_options::referenced_begin): New function.
3212 (Script_options::referenced_end): New function.
3213 (Script_options::is_referenced): New function.
3214 (Script_options::any_unreferenced): New function.
3215 * script-c.h (script_symbol): Declare.
3216 * yyscript.y (exp): Call script_symbol.
3217 * symtab.cc: Include "script.h".
3218 (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
3219 Change all callers. Check symbols referenced by scripts.
3220 (Symbol_table::add_undefined_symbols_from_command_line): Add
3221 layout parameter. Change all callers.
3222 (Symbol_table::do_add_undefined_symbols_from_command_line):
3223 Likewise. Break out loop body. Check symbols referenced by
3224 scripts.
3225 (Symbol_table::add_undefined_symbol_from_command_line): New
3226 function broken out of
3227 do_add_undefined_symbols_from_command_line.
3228 * symtab.h (class Symbol_table): Update declarations.
3229 * archive.cc: Include "layout.h".
3230 (Archive::should_include_member): Add layout parameter. Change
3231 all callers. Check for symbol mentioned in expression.
3232 * archive.h (class Archive): Update declaration.
3233 * object.cc (Sized_relobj::do_should_include_member): Add layout
3234 parameter.
3235 * object.h (Object::should_include_member): Add layout parameter.
3236 Change all callers.
3237 (Object::do_should_include_member): Add layout parameter.
3238 (class Sized_relobj): Update declaration.
3239 * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
3240 parameter.
3241 * dynobj.h (class Sized_dynobj): Update declaration.
3242 * plugin.cc (Sized_pluginobj::do_should_include_member): Add
3243 layout parameter.
3244 * plugin.h (class Sized_pluginobj): Update declaration.
3245
5f1ab67a
ILT		 32462010-08-02 Ian Lance Taylor <iant@google.com>
3247
3248 PR 11866
3249 * output.cc (Output_segment::set_offset): Search for the first and
3250 last sections rather than assuming that the list is in order.
3251 (Output_segment::find_first_and_last_list): New function.
3252 * output.h (class Output_segment): Update declarations.
3253 * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
3254 (relro_strip_test_SOURCES): New variable.
3255 (relro_strip_test_DEPENDENCIES): New variable.
3256 (relro_strip_test_LDFLAGS): New variable.
3257 (relro_strip_test_LDADD): New variable.
3258 (relro_strip_test.so): New target.
3259
a8df5856
ILT		 32602010-08-02 Ian Lance Taylor <iant@google.com>
3261
3262 * i386.cc (class Target_i386): Add got_tlsdesc_ field.
3263 (Target_i386::Target_i386):: Initialize got_tlsdesc_.
3264 (Target_i386::got_tlsdesc_section): New function.
3265 (Target_i386::got_section): Create space for GOT entries for
3266 TLSDESC relocations.
3267 (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
3268 R_386_TLS_GOTDESC.
3269 (Target_i386::Scan::global): Likewise.
3270 (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
3271 using TLSDESC GOT.
3272 * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
3273 (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
3274 (Target_x86_64::got_tlsdesc_section): New function.
3275 (Target_x86_64::got_section): Create space for GOT entries for
3276 TLSDESC relocations.
3277 (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
3278 R_386_TLS_GOTDESC.
3279 (Target_x86_64::Scan::global): Likewise.
3280 (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
3281 using TLSDESC GOT.
3282
0c10a0a6
ILT		 32832010-08-02 Ian Lance Taylor <iant@google.com>
3284
3285 * testsuite/final_layout.sh: Use dc to convert from hex to
3286 decimal.
3287
41cbeecc
ST		 32882010-07-29 Sriraman Tallam <tmsriram@google.com>
3289
3290 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
3291 paramter to the call to gold::gc_process_relocs.
3292 * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
3293 paramter to the call to gold::gc_process_relocs.
3294 * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
3295 parameter to the call to gold::gc_process_relocs.
3296 * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
3297 template parameter to the call to gold::gc_process_relocs.
3298 * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
3299 paramter to the call to gold::gc_process_relocs.
3300 * gc.h (get_embedded_addend_size): New function.
3301 (gc_process_relocs): Save the size of the reloc for use by ICF.
3302 * icf.cc (get_section_contents): Get the addend from the text section
3303 for SHT_REL relocation sections.
3304 * icf.h (Icf::Reloc_addend_size_info): New typedef.
3305 (Icf::Reloc_info): Add new member reloc_addend_size_info.
3306 * int_encoding.h (read_from_pointer): New overloaded function.
3307 * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
3308 * testsuite/icf_sht_rel_addend_test.sh: New file.
3309 * testsuite/icf_sht_rel_addend_test_1.cc: New file.
3310 * testsuite/icf_sht_rel_addend_test_2.cc: New file.
3311
6ea55b82
RW		 33122010-07-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3313
3314 * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
3315 * Makefile.in: Regenerate.
3316 * testsuite/Makefile.in: Regenerate.
3317
9691462b
ILT		 33182010-07-27 Jeffrey Yasskin <jyasskin@google.com>
3319
3320 * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
3321 * gold/testsuite/debug_msg.cc: Likewise.
3322 * gold/testsuite/odr_violation1.cc
3323 * gold/testsuite/odr_violation2.cc
3324
76897331
CC		 33252010-07-21 Cary Coutant <ccoutant@google.com>
3326
3327 * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
3328 string, and length fields.
3329 (Output_merge_string::Merged_strings_list): New type.
3330 (Output_merge_string::Merged_strings_lists): New typedef.
3331 (Output_merge_string): Replace merged_strings_ with
3332 merged_strings_lists_.
3333 * merge.cc (Output_merge_string::do_add_input_section): Allocate new
3334 Merged_strings_list per input object and section. Don't store pointer
3335 to the string. Don't store length with each merged string entry.
3336 (Output_merge_string::finalize_merged_data): Loop over list of merged
3337 strings lists. Recompute length of each merged string.
3338
78384e8f
CC		 33392010-07-15 Cary Coutant <ccoutant@google.com>
3340
3341 * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
3342 here.
3343
783659f9
ILT		 33442010-07-14 Ian Lance Taylor <iant@google.com>
3345
3346 * descriptors.cc (Descriptors::open): Report correct name in error
3347 message.
3348
131687b4
DK		 33492010-07-13 Doug Kwan <dougkwan@google.com>
3350
3351 * arm.cc (Arm_input_section::Arm_input_section): For a
3352 SHT_ARM_EXIDX section, always keeps the input sections.
3353 (Arm_input_section::set_exidx_section_link): New method.
3354 (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
3355 has_errors_ to false.
3356 (Arm_exidx_input_section::has_errors,
3357 Arm_exidx_input_section::set_has_errors): New methods.
3358 (Arm_exidx_input_section::has_errors_): New data member.
3359 (Arm_relobj::get_exidx_shndx_list): New method.
3360 (Arm_output_section::append_text_sections_to_list): Do not skip
3361 section without SHF_EXECINSTR.
3362 (Arm_output_section::fix_exidx_coverage): Skip input sections with
3363 errors.
3364 (Arm_relobj::make_exidx_input_section): Add new parameter for text
3365 section header. Make error messages more verbose. Check for
3366 a non-executable section linked to an EXIDX section.
3367 (Arm_relobj::do_read_symbols): Remove error checking, which has been
3368 moved to Arm_relobj::make_exidx_input_section. Add an assertion to
3369 check that there is no deferred EXIDX section if we exit early.
3370 Instead of not making an EXIDX section in case of an error, make one
3371 and set the has_errors flag of it.
3372 (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
3373 in a relocatable link.
3374 (Target_arm::do_relax): Look for the EXIDX output section instead of
3375 assuming that it is called .ARM.exidx.
3376 (Target_arm::fix_exidx_coverage): Add a new parameter for input
3377 section list. Do not check for SHF_EXECINSTR section flags but
3378 skip any input section with errors.
3379 * output.cc (Output_section::Output_section): Initialize
3380 always_keeps_input_sections_ to false.
3381 (Output_section::add_input_section): Check for
3382 always_keeps_input_sections_.
3383 * output.h (Output_section::always_keeps_input_sections,
3384 Output_section::set_always_keeps_input_sections): New methods.
3385 (Output_section::always_keeps_input_sections): New data member.
3386
69517287
RÁE		 33872010-07-13 Rafael Espindola <espindola@google.com>
3388
3389 * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
3390 * fileread.h (Input_file): Add try_extra_search_path and find_file.
3391
82742395
ILT		 33922010-07-13 Philip Herron <herron.philip@googlemail.com>
3393 Ian Lance Taylor <iant@google.com>
3394
3395 * output.h (Output_section_lookup_maps::add_merge_section):
3396 Correct check of whether value was inserted.
3397 (Output_section_lookup_maps::add_merge_input_section): Likewise.
3398 (Output_section_lookup_maps::add_relaxed_input_section):
3399 Likewise.
3400 * arm.cc (Target_arm::got_section): Remove used local os.
3401 * i386.cc (Target_i386::got_section): Likewise.
3402 * x86_64.cc (Target_x86_64::got_section): Likewise.
3403 * sparc.cc (Target_sparc::got_section): Likewise.
3404 (Target_sparc::relocate): Remove unused local have_got_offset.
3405 * powerpc.cc (Target_powerpc::relocate): Likewise.
3406
f2d707b5
ILT		 34072010-07-13 Ian Lance Taylor <iant@google.com>
3408
241531d6
ILT		 3409 * compressed_output.cc (zlib_decompress): Fix signature in
3410 !HAVE_ZLIB_H case.
3411
f2d707b5
ILT		 3412 * archive.cc (Archive::include_member): Unlock an external member
3413 of a thin archive. Don't bother to delete an object we know is
3414 NULL.
3415
a2e47362
CC		 34162010-07-12 Cary Coutant <ccoutant@google.com>
3417
3418 * compressed_output.cc (zlib_decompress): New function.
3419 (get_uncompressed_size): New function.
3420 (decompress_input_section): New function.
3421 * compressed_output.h (get_uncompressed_size): New function.
3422 (decompress_input_section): New function.
3423 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
3424 Handle compressed debug sections.
3425 * layout.cc (is_compressed_debug_section): New function.
3426 (Layout::output_section_name): Map compressed section names to
3427 canonical names.
3428 * layout.h (is_compressed_debug_section): New function.
3429 (is_debug_info_section): Recognize compressed debug sections.
3430 * merge.cc: Include compressed_output.h.
3431 (Output_merge_data::do_add_input_section): Handle compressed
3432 debug sections.
3433 (Output_merge_string::do_add_input_section): Handle compressed
3434 debug sections.
3435 * object.cc: Include compressed_output.h.
3436 (Sized_relobj::Sized_relobj): Initialize new data members.
3437 (build_compressed_section_map): New function.
3438 (Sized_relobj::do_read_symbols): Handle compressed debug sections.
3439 * object.h (Object::section_is_compressed): New method.
3440 (Object::do_section_is_compressed): New method.
3441 (Sized_relobj::Compressed_section_map): New type.
3442 (Sized_relobj::do_section_is_compressed): New method.
3443 (Sized_relobj::compressed_sections_): New data member.
3444 * output.cc (Output_section::add_input_section): Handle compressed
3445 debug sections.
3446 * reloc.cc: Include compressed_output.h.
3447 (Sized_relobj::write_sections): Handle compressed debug sections.
3448
ce279a62
CC		 34492010-07-08 Cary Coutant <ccoutant@google.com>
3450
3451 * resolve.cc (Symbol_table::resolve): Remember whether undef was
3452 weak when resolving to a dynamic def.
3453 (Symbol_table::should_override): Add adjust_dyndef flag; set it
3454 for weak undef/dynamic def cases. Adjust callers.
3455 * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
3456 undef_binding_weak_.
3457 (Symbol_table::sized_write_globals): Adjust symbol binding.
3458 (Symbol_table::sized_write_symbol): Add binding parameter.
3459 * symtab.h (Symbol::set_undef_binding): New method.
3460 (Symbol::is_undef_binding_weak): New method.
3461 (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
3462 (Symbol_table::should_override): Add new parameter.
3463 (Symbol_table::sized_write_symbol): Add new parameter.
3464
3465 * testsuite/weak_undef_file1.cc: Add new test case.
3466 * testsuite/weak_undef_file2.cc: Fix header comment.
3467 * testsuite/weak_undef_test.cc: Add new test case.
3468
b2286c10
DK		 34692010-06-29 Doug Kwan <dougkwan@google.com>
3470
3471 * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
3472 Initialize USE_SYMBOL_.
3473 * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
3474 definition.
3475 (Arm_reloc_property::uses_symbol_): New data member declaration.
3476 * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
3477 uses symbol value and symbol is undefined but not weakly undefined.
3478
4802450a
RÁE		 34792010-06-28 Rafael Espindola <espindola@google.com>
3480
3481 * plugin.cc (Plugin::load): Use dlerror.
3482
e5ca47ba
ILT		 34832010-06-26 Jeffrey Yaskin <jyasskin@google.com>
3484
3485 * symtab.cc (detect_odr_violations): When reporting an ODR
3486 violation, report an object where the symbol is defined.
3487
8a75a161
DK		 34882010-06-25 Doug Kwan <dougkwan@google.com>
3489
3490 * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
3491 (Target_arm::section_may_have_icf_unsafe_pointers): New method
3492 definition.
3493 (Target_arm::Scan::local_reloc_may_be_function_pointer,
3494 Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
3495 target hook to detect function points.
3496 (Target_arm::Scan::possible_function_pointer_reloc): New method.
3497 * icf.h (Icf::check_section_for_function_pointers): Change type of
3498 parameter SECTION_NAME to const reference to std::string. Use
3499 target hook to determine if section may have unsafe pointers.
3500 * target.h (Target::section_may_have_icf_unsafe_pointers): New
3501 method definition.
3502
42218b9f
RÁE		 35032010-06-21 Rafael Espindola <espindola@google.com>
3504
3505 * fileread.cc (Input_file::find_fie): New
3506 (Input_file::open): Use Input_file::find_fie.
3507 * fileread.h (Input_file::find_fie): New
3508 * plugin.cc (set_extra_library_path): New.
3509 (Plugin::load): Add set_extra_library_path to the transfer vector.
3510 (Plugin_manager::set_extra_library_path): New.
3511 (Plugin_manager::add_input_file): Use the extra search path if set.
3512 (set_extra_library_path(): New.
3513 * plugin.h (Plugin_manager): Add set_extra_library_path and
3514 extra_search_path_.
3515
a0506cca
CC		 35162010-06-19 Cary Coutant <ccoutant@google.com>
3517
3518 * layout.cc (gdb_sections): Add .debug_types.
3519 (lines_only_debug_sections): Likewise.
3520
6508b958
RÁE		 35212010-06-18 Rafael Espindola <espindola@google.com>
3522
3523 * plugin.cc (add_input_file,add_input_library)
3524 (Plugin_manager::add_input_file): Make filename arguments const.
3525 * plugin.h (Plugin_manager::add_input_file): Make filename arguments
3526 const.
3527
3e235302
DK		 35282010-06-16 Doug Kwan <dougkwan@google.com>
3529
3530 * arm.cc (Target_arm::do_finalize_sections): Do not emit an
3531 .ARM.attributes section if we have not merged any input
3532 attributes sections.
3533
106e8a6c
DK		 35342010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3535
3536 * arm.cc: Allow combining objects with no EABI version
3537 information.
3538
91ff43fe
RÁE		 35392010-06-15 Rafael Espindola <espindola@google.com>
3540
3541 * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
3542
68ed838c
ILT		 35432010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3544
3545 * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
3546 (struct iovec): Correct !HAVE_READV definition.
3547
f3a2388f
CC		 35482010-06-10 Cary Coutant <ccoutant@google.com>
3549
3550 * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
3551 (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
3552 reloc sections.
3553 * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
3554
3555 PR 11683
3556 * symtab.h (Symbol::is_placeholder): New member function.
3557 * target-reloc.h (relocate_section): Check for placeholder symbols.
3558
3559 * testsuite/Makefile.am (plugin_test_8): New test.
3560 (plugin_test_9): New test.
3561 * testsuite/Makefile.in: Regenerate.
3562
e1df38aa
NC		 35632010-06-09 Nick Clifton <nickc@redhat.com>
3564
3565 * yyscript.y (input_list_element): Allow strings prefixed with
3566 the '-' character. Treat these as libraries.
3567 * script.cc (script_add_library): New function. Adds a library
3568 specified by "-l<name>" found in an input script.
3569 * script-c.h: Add prototype for script_add_library.
3570
25bbe950
DK		 35712010-06-07 Doug Kwan <dougkwan@google.com>
3572
3573 * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
3574 Restrict stub-group size to be within long conditional branch
3575 range when working around cortex-A8 erratum.
3576
0f32ea4c
ILT		 35772010-06-07 Damien Diederen <dd@crosstwine.com>
3578
3579 * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
3580 #ifdef typo.
3581
8fe2a369
ST		 35822010-06-03 Sriraman Tallam <tmsriram@google.com>
3583
3584 PR gold/11658
3585 * output.cc
3586 (Output_section::Input_section_sort_entry::compare_section_ordering):
3587 Change to return non-zero correctly.
3588 (Output_section::Input_section_sort_section_order_index_compare
3589 ::operator()): Change to fix ambiguity in comparisons.
3590
6e9ba2ca
ST		 35912010-06-01 Sriraman Tallam <tmsriram@google.com>
3592
3593 * gold.h (is_wildcard_string): New function.
3594 * layout.cc (Layout::layout): Pass this pointer to add_input_section.
3595 (Layout::layout_eh_frame): Ditto.
3596 (Layout::find_section_order_index): New method.
3597 (Layout::read_layout_from_file): New method.
3598 * layout.h (Layout::find_section_order_index): New method.
3599 (Layout::read_layout_from_file): New method.
3600 (Layout::input_section_position_): New private member.
3601 (Layout::input_section_glob_): New private member.
3602 * main.cc (main): Call read_layout_from_file here.
3603 * options.h (--section-ordering-file): New option.
3604 * output.cc (Output_section::input_section_order_specified_): New
3605 member.
3606 (Output_section::Output_section): Initialize new member.
3607 (Output_section::add_input_section): Add new parameter.
3608 Keep input sections when --section-ordering-file is used.
3609 (Output_section::set_final_data_size): Sort input sections when
3610 section ordering file is specified.
3611 (Output_section::Input_section_sort_entry): Add new parameter.
3612 Check sorting type.
3613 (Output_section::Input_section_sort_entry::compare_section_ordering):
3614 New method.
3615 (Output_section::Input_section_sort_compare::operator()): Change to
3616 consider section_order_index.
3617 (Output_section::Input_section_sort_init_fini_compare::operator()):
3618 Change to consider section_order_index.
3619 (Output_section::Input_section_sort_section_order_index_compare
3620 ::operator()): New method.
3621 (Output_section::sort_attached_input_sections): Change to sort
3622 according to section order when specified.
e1df38aa
NC		 3623 (Output_section::add_input_section<32, true>): Add new parameter.
3624 (Output_section::add_input_section<64, true>): Add new parameter.
3625 (Output_section::add_input_section<32, false>): Add new parameter.
3626 (Output_section::add_input_section<64, false>): Add new parameter.
6e9ba2ca
ST		 3627 * output.h (Output_section::add_input_section): Add new parameter.
3628 (Output_section::input_section_order_specified): New
3629 method.
3630 (Output_section::set_input_section_order_specified): New method.
3631 (Input_section::Input_section): Initialize section_order_index_.
3632 (Input_section::section_order_index): New method.
3633 (Input_section::set_section_order_index): New method.
3634 (Input_section::section_order_index_): New member.
3635 (Input_section::Input_section_sort_section_order_index_compare): New
3636 struct.
3637 (Output_section::input_section_order_specified_): New member.
3638 * script-sections.cc (is_wildcard_string): Delete and move modified
3639 method to gold.h.
3640 (Output_section_element_input::Output_section_element_input): Modify
3641 call to is_wildcard_string.
3642 (Output_section_element_input::Input_section_pattern
3643 ::Input_section_pattern): Ditto.
3644 (Output_section_element_input::Output_section_element_input): Ditto.
3645 * testsuite/Makefile.am (final_layout): New test case.
3646 * testsuite/Makefile.in: Regenerate.
3647 * testsuite/final_layout.cc: New file.
3648 * testsuite/final_layout.sh: New file.
3649
3537c84b
RÁE		 36502010-06-01 Rafael Espindola <espindola@google.com>
3651
3652 * plugin.cc (Plugin::load): Pass the output name to the plugin.
3653
105b6afd
RÁE		 36542010-06-01 Rafael Espindola <espindola@google.com>
3655
3656 * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
3657 visibility of symbols.
3658
29e11421
DK		 36592010-05-27 Doug Kwan <dougkwan@google.com>
3660
3661 * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
3662 from start of output section instead of address for a local symbol
3663 in a merged or relaxed section when doing a relocatable link.
3664
5e0f337e
RÁE		 36652010-05-26 Rafael Espindola <espindola@google.com>
3666
3667 PR 11604
3668 * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
3669 adding sections the garbage collector removed.
3670 * gold/testsuite/Makefile.am: Add test.
3671 * gold/testsuite/Makefile.in: Regenerate.
3672 * gold/testsuite/plugin_test_7.sh: New.
3673 * gold/testsuite/plugin_test_7_1.c: New.
3674 * gold/testsuite/plugin_test_7_2.c: New.
3675
f4187277
RÁE		 36762010-05-26 Rafael Espindola <espindola@google.com>
3677
3678 * script-sections.cc (Output_section_definition::set_section_addresses):
3679 Check for --section-start.
3680
5c388529
DK		 36812010-05-26 Doug Kwan <dougkwan@google.com>
3682
3683 * arm.cc (Arm_scan_relocatable_relocs): New class.
3684 (Target_arm::relocate_special_relocatable): New method.
3685 (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
3686 (Arm_relocate_functions::thumb_branch_common): Same.
3687 (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
3688 instead of Default_scan_relocatable_relocs.
3689 * target-reloc.h (relocate_for_relocatable): Let target handle
3690 relocation strategy Relocatable_relocs::RELOC_SPECIAL.
3691 * target.h (Sized_target::relocate_special_relocatable): New method.
3692
bca1c3ae
ILT		 36932010-05-25 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3694
3695 * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
3696
0439c796
DK		 36972010-05-23 Doug Kwan <dougkwan@google.com>
3698
3699 * arm.cc (Arm_input_section::do_output_offset): Use convert_types
3700 instead of a cast.
3701 (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
3702 with a direct branch, not a conditional branch, to a stub.
3703 * merge.cc (Output_merge_base::record_input_section): New method
3704 defintion.
3705 (Output_merge_data::do_add_input_section): Record input section if
3706 keeps-input-sections flag is set.
3707 (Output_merge_string::do_add_input_section): Ditto.
3708 * merge.h (Output_merge_base::Output_merge_base): Initialize new data
3709 members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
3710 INPUT_SECTIONS_.
3711 (Output_merge_base::keeps_input_sections,
3712 Output_merge_base::set_keeps_input_sections,
3713 Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
3714 method definitions.
3715 (Output_merge_base::Input_sections): New type declaration.
3716 (Output_merge_base::input_sections_begin,
3717 Output_merge_base::input_sections_end,
3718 Output_merge_base::do_set_keeps_input_sections): New method definitions.
3719 (Output_merge_base::bool keeps_input_sections_,
3720 Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
3721 Output_merge_base::input_sections_): New data members.
3722 (Output_merge_data::do_set_keeps_input_sections): New method
3723 defintion.
3724 (Output_merge_string::do_set_keeps_input_sections): Ditto.
3725 * output.cc (Output_section::Input_section::relobj): Move method
3726 defintion from class declaration to here and handle merge sections.
3727 (Output_section::Input_section::shndx): Ditto.
3728 (Output_section::Output_section): Remove initializations of removed
3729 data members and initialize new data member LOOKUP_MAPS_.
3730 (Output_section::add_input_section): Set keeps-input-sections flag
3731 for a newly created merge output section as appropriate. Adjust code
3732 to use Output_section_lookup_maps class.
3733 (Output_section::add_relaxed_input_section): Adjst code for lookup
3734 maps code refactoring.
3735 (Output_section::add_merge_input_section): Add a new parameter
3736 KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps
3737 class. If adding input section to a newly created merge output
3738 section fails, remove the new merge section.
3739 (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
e1df38aa 3740 Adjust code for use of the Output_section_lookup_maps class.
0439c796
DK		 3741 (Output_section::find_merge_section): Ditto.
3742 (Output_section::build_lookup_maps): New method defintion.
3743 (Output_section::find_relaxed_input_section): Adjust code to use
3744 Output_section_lookup_maps class.
3745 (Output_section::get_input_sections): Export merge sections. Adjust
3746 code to use Output_section_lookup_maps class.
3747 (Output_section:::add_script_input_section): Adjust code to use
3748 Output_section_lookup_maps class. Update lookup maps for merge
3749 sections also.
3750 (Output_section::discard_states): Use Output_section_lookup_maps.
3751 (Output_section::restore_states): Same.
3752 * output.h (Merge_section_properties): Move class defintion out of
3753 Output_section.
3754 (Output_section_lookup_maps): New class.
3755 (Output_section::Input_section::is_merge_section): New method
3756 defintion.
3757 (Output_section::Input_section::relobj): Move defintion out of class
3758 defintion. Declare method only.
3759 (Output_section::Input_section::shndx): Ditto.
3760 (Output_section::Input_section::output_merge_base): New method defintion.
3761 (Output_section::Input_section::u2_.pomb): New union field.
3762 (Output_section::Merge_section_by_properties_map,
3763 Output_section::Output_section_data_by_input_section_map,
3764 Output_section::Ouptut_relaxed_input_section_by_input_section_map):
3765 Remove types.
3766 (Output_section::add_merge_input_section): Add new parameter
3767 KEEPS_INPUT_SECTIONS.
3768 (Output_section::build_lookup_maps): New method declaration.
3769 (Output_section::merge_section_map_,
3770 Output_section::merge_section_by_properties_map_,
3771 Output_section::relaxed_input_section_map_,
3772 Output_section::is_relaxed_input_section_map_valid_): Remove data
3773 members.
3774 (Output_section::lookup_maps_): New data member.
3775
76295588
L		 37762010-05-21 Doug Kwan <dougkwan@google.com>
3777
3778 PR gold/11619
3779 * arm.cc (Arm_input_section::do_output_offset): Add a cast to
3780 avoid a compilation error.
3781
d103a984
RÁE		 37822010-05-19 Rafael Espindola <espindola@google.com>
3783
3784 * script-sections.cc (Output_section_definition::allocate_to_segment):
3785 Update the phdrs_list even when the output section is NULL.
3786 * testsuite/Makefile.am: Add test.
3787 * testsuite/Makefile.in: Regenerate.
3788 * testsuite/script_test_9.cc: New.
3789 * testsuite/script_test_9.sh: New.
3790 * testsuite/script_test_9.t: New.
3791
6625d24e
DK		 37922010-05-19 Doug Kwan <dougkwan@google.com>
3793
3794 * arm.cc (Arm_input_section::original_size): New method.
3795 (Arm_input_section::do_addralign): Add a cast.
3796 (Arm_input_section::do_output_offset): Remove static cast.
3797 (Arm_input_section::original_addralign,
3798 Arm_input_section::original_size_): Change type to uint32_t.
3799 (Arm_input_section::init): Add safe casts for section alignment
3800 and size.
3801 (Arm_input_section::set_final_data_size): Do not set address and
3802 offset of stub table.
3803 (Arm_output_section::fix_exidx_coverage): Change use of of
3804 Output_section::Simple_input_section to that of
3805 Output_section::Input_section.
3806 (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
3807 except for the first pass.
3808 * output.cc (Output_section::get_input_sections): Change type of
3809 input_sections to std::list<Input_section>.
3810 (Output_section::add_script_input_section): Rename from
3811 Output_section::add_simple_input_section. Change type of SIS
3812 parameter from Simple_input_section to Input_section.
3813 * output.h (Output_section::Simple_input_section): Remove class.
3814 (Output_section::Input_section): Change class visibility to public.
3815 (Output_section::Input_section::addralign): Use stored alignments
3816 for special input sections if set.
3817 (Output_section::Input_section::set_addralign): New method.
3818 (Output_section::get_input_sections): Change parameter type from
3819 list of Simple_input_section to list of Input_section.
3820 (Output_section::add_script_input_section): Rename from
3821 Output_section::add_simple_input_section. Change first parameter's
3822 type from Simple_input_section to Input_section and remove the
3823 second and third parameters.
3824 * script-sections.cc (Input_section::Input_section_list): Change
3825 type to list of Output_section::Input_section/
3826 (Input_section_info::Input_section_info): Change parameter type of
3827 INPUT_SECTION to Output_section::Input_section.
3828 (Input_section_info::input_section): Change return type.
3829 (Input_section_info::input_section_): Change type to
3830 Output_section::Input_section.
3831 (Output_section_element_input::set_section_addresses): Adjust code
3832 to use Output_section::Input_section instead of
3833 Output_section::Simple_input_section. Adjust code for renaming
3834 of Output_section::add_simple_input_section.
3835 (Orphan_output_section::set_section_addresses): Ditto.
3836
e1e82ea4
RW		 38372010-05-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3838
3839 * gold.h (Unordered_multimap, Unordered_map): Fix defines for
3840 when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
3841
91e75c8a
RÁE		 38422010-05-18 Rafael Espindola <espindola@google.com>
3843
3844 * options.cc (General_options::finalize): Handle -nostdlib.
3845 * options.h (nostdlib): New option.
3846 * script.cc (script_add_search_dir): Handle -nostdlib.
3847
da59ad79
DK		 38482010-05-12 Doug Kwan <dougkwan@google.com>
3849
3850 * arm.cc (Target_arm::do_finalize_sections): Create an empty
3851 attributes section only if there no attributes section after merging.
3852 (Target_arm::merge_object_attributes): Move value of
e1df38aa 3853 Tag_MPextension_use_legacy to that of Tag_MPextension_use.
da59ad79
DK		 3854 Handle Tag_DIV_use and Tag_MPextension_use_legacy.
3855 * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
3856 (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
3857 and arm_attr_merge_7.stdout.
3858 (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
3859 arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
3860 arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
3861 arm_attr_merge_7b.o): New rules.
3862 (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
3863 arm_attr_merge_7
3864 * testsuite/Makefile.in: Regenerate.
3865 * testsuite/arm_attr_merge.sh: New file.
3866 * testsuite/arm_attr_merge_[67][ab].s: Same.
3867
3e01a7fd
NC		 38682010-05-05 Nick Clifton <nickc@redhat.com>
3869
3870 * po/es.po: Updated Spanish translation.
3871
7ad2014a
L		 38722010-04-27 H.J. Lu <hongjiu.lu@intel.com>
3873
3874 * Makefile.am (install-exec-local): Properly install gold as
3875 default cross linker.
3876 * Makefile.in: Regenerated.
3877
4fda8867
NC		 38782010-04-27 H.J. Lu <hongjiu.lu@intel.com>
3879 Nick Clifton <nickc@redhat.com>
3880
3881 * configure.ac (install_as_default): Define and set to false
3882 unless --enable-gold or --enable-gold=both/gold has been
3883 specified.
3884 * configure: Regenerate.
3885
3886 * Makefile.am (install-exec-local): Install the executable as
3887 'ld.gold'. If install_as_default is true then also install it as
3888 'ld'.
3889 * Makefile.in: Regenerated.
3890
bd288ea2
ILT		 38912010-04-24 Ian Lance Taylor <iant@google.com>
3892
3893 * layout.cc (Layout::layout_reloc): In relocatable link don't
3894 combine reloc sections for grouped sections.
3895
ef38fd8a
ST		 38962010-04-23 Sriraman Tallam <tmsriram@google.com>
3897
3898 * gc.h (gc_process_relocs): Pass information on relocs pointing to
3899 sections that are not ordinary to icf.
3900 * icf.cc (get_section_contents): Handle relocation pointing to section
3901 with no object or shndx information.
3902 * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
3903 * testsuite/Makefile.in: Regenerate.
3904 * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
3905 * testsuite/icf_virtual_function_folding_test.sh: Delete file.
3906
f6973bdc
ILT		 39072010-04-22 Ian Lance Taylor <iant@google.com>
3908
3909 * expression.cc (Expression::Expression_eval_info): Add
3910 result_alignment_pointer field.
3911 (Expression::eval_with_dot): Add result_alignment_pointer
3912 parameter. Change all callers.
3913 (Expression::eval_maybe_dot): Likewise.
3914 (class Binary_expression): Add alignment_pointer parameter to
3915 left_value and right_value. Change all callers.
3916 (BINARY_EXPRESSION): Set result alignment.
3917 (class Trinary_expression): Add alignment_pointer parameter to
3918 arg2_value and arg3_value. Change all callers.
3919 (Trinary_cond::value): Set result alignment.
3920 (Max_expression::value, Min_expression::value): Likewise.
3921 (Align_expression::value): Likewise.
3922 * script-sections.cc (class Sections_element): Add dot_alignment
3923 parameter to set_section_addresses virtual function. Update
3924 instantiations.
3925 (class Output_section_element): Likewise.
3926 (Script_sections::create_segments): Add dot_alignment parameter.
3927 Change all callers.
3928 (Script_sections::create_segments_from_phdrs_clause): Likewise.
3929 (Script_sections::set_phdrs_clause_addresses): Likewise.
3930 * script-sections.h: Update declarations.
3931 * script.h: Update declarations.
3932 * output.h (Output_segment::set_minimum_p_align): Don't decrease
3933 min_p_align.
3934 * testsuite/script_test_3.t: Set large alignment.
3935 * testsuite/script_test_3.sh: Make sure that at least one LOAD
3936 segment has expected alignment.
3937
9c9c98a5
NC		 39382010-04-22 Nick Clifton <nickc@redhat.com>
3939
3940 * po/gold.pot: Updated by the Translation project.
3941 * po/vi.po: Updated Vietnamese translation.
3942
2253bfba
L		 39432010-04-22 H.J. Lu <hongjiu.lu@intel.com>
3944
3945 * testsuite/Makefile.am (check_PROGRAMS): Add
3946 icf_virtual_function_folding_test.
3947 * testsuite/Makefile.in: Regenerated.
3948
85fdf906
AH		 39492010-04-15 Andrew Haley <aph@redhat.com>
3950
3951 * options.h (merge_exidx_entries): New option.
3952 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
3953 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
3954 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
3955 (Target_arm::merge_exidx_entries): New function.
3956 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
3957 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
3958 to Arm_exidx_fixup constructor.
3959 Add new arg, merge_exidx_entries.
3960 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
3961 Arm_output_section::fix_exidx_coverage.
3962
ce97fa81
ST		 39632010-04-18 Sriraman Tallam <tmsriram@google.com>
3964
3965 * icf.cc (get_section_contents): Check for preemptible functions.
3966 Ignore addend when appropriate.
3967 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
3968 section folded.
3969 (add_from_relobj): Check for section folded.
3970 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
3971 * symtab.h (should_add_dynsym_entry): Add new parameter.
3972 * target-reloc.h (scan_relocs): Check for section folded.
3973 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
3974 Check reloc types for function pointers in shared objects.
3975 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
3976 case.
3977 (icf_preemptible_functions_test): New test case.
3978 (icf_string_merge_test): New test case.
3979 * testsuite.Makefile.in: Regenerate.
3980 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
3981 bar_glob. Refactor code.
3982 * testsuite/icf_preemptible_functions_test.cc: New file.
3983 * testsuite/icf_preemptible_functions_test.sh: New file.
3984 * testsuite/icf_string_merge_test.cc: New file.
3985 * testsuite/icf_string_merge_test.sh: New file.
3986 * testsuite/icf_virtual_function_folding_test.cc: New file.
3987 * testsuite/icf_virtual_function_folding_test.sh: New file.
3988
04ceb17c
DK		 39892010-04-14 Doug Kwan <dougkwan@google.com>
3990
3991 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
3992 for local symbol recounting if we remove a section due to ICF.
3993 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
3994 there are no regular objects in input.
3995
153e7da4
DK		 39962010-04-13 Doug Kwan <dougkwan@google.com>
3997
3998 * arm.cc (Arm_input_section::set_final_data_size): Compute
3999 accurate final data size instead of using current data size.
4000
4dbd9faf
DK		 40012010-04-09 Doug Kwan <dougkwan@google.com>
4002
4003 * layout.cc (Layout::choose_output_section): Handle script section
4004 types.
4005 (Layout::make_output_section_for_script): Add section type parameter.
4006 Handle script section types.
4007 * layout.h (Layout::make_output_section_for_script): Add section
4008 type parameter.
4009 * output.cc (Output_section::Output_section): Initialize data member
4010 is_noload_.
4011 (Output_section::do_reset_address_and_file_offset): Do not set address
4012 to 0 if section is a NOLOAD section.
4013 * output.h (Output_section::is_noload): New method.
4014 (Output_section::set_is_noload): Ditto.
4015 (Output_section::is_noload_): New data member.
4016 * script-c.h (Script_section_type): New enum type.
4017 (struct Parser_output_section_header): Add new file section_type.
4018 * script-sections.cc (Sections_element::output_section_name): Add
4019 parameter for returning script section type.
4020 (Output_section_definition::output_section_name): Ditto.
4021 (Output_section_definition::section_type)P; New method.
4022 (Output_section_definiton::script_section_type_name): Ditto.
4023 (Output_section_definition::script_section_type_): New data member.
4024 (Output_section_definition::Output_section_definition): Initialize
4025 data member Output_section_definition::script_section_type_.
4026 (Output_section_definition::create_sections): Pass script section type
4027 to Layout::make_output_section_for_script.
4028 (Output_section_definition::output_section_name): Return script
4029 section type to caller.
4030 (Output_section_definition::set_section_address): Do not advance
4031 dot value and load address if section type is NOLOAD. Set address
4032 of NOLOAD sections regardless of section flags.
4033 (Output_section_definition::print): Print section type if it is
4034 not SCRIPT_SECTION_TYPE_NONE.
4035 (Output_section_definition::section_type): New method.
4036 (Output_section_definition::script_section_type_name): Ditto.
4037 (Script_sections::output_section_name): Add new parameter
4038 PSECTION_TYPE for returning script section type. Pass it to
4039 section elements. Handle discard sections.
4040 (Sort_output_sections::operator()): Handle NOLOAD sections.
4041 * script-sections.h (Script_sections::Section_type): New enum type.
4042 (Script_sections::output_section_name): Add a new parameter for
4043 returning script section type.
4044 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
4045 INFO and NOLOAD.
4046 * yyscript.y (union): Add new field SECTION_TYPE.
4047 (COPY, DSECT, INFO, NOLOAD): New tokens.
4048 (opt_address_and_section_type): Change type to output_section_header.
4049 (section_type): New non-terminal
4050 (section_header): Handle section type.
2253bfba 4051 (opt_address_and_section_type): Return section type value.
4dbd9faf 4052
721ea635
L		 40532010-04-09 H.J. Lu <hongjiu.lu@intel.com>
4054
4055 * testsuite/plugin_common_test_1.c (foo): Add prototype.
4056 * testsuite/plugin_common_test_2.c (foo): Likewise.
4057
6bf924b0
DK		 40582010-04-08 Doug Kwan <dougkwan@google.com>
4059
4060 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
4061 Output_merge_data.
4062 * output.cc (Output_section::add_merge_input_section): Simplify
4063 code and return status of Output_merge_base::add_input_section.
e1df38aa 4064 Update merge section map only if Output_merge_base::add_input_section
6bf924b0
DK		 4065 returns true.
4066
24af6f92
DK		 40672010-04-07 Doug Kwan <dougkwan@google.com>
4068
4069 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
4070 if section is marked as containing instructions but has no mapping
4071 symbols.
4072 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
4073 correct section index.
4074 (Arm_relobj::find_linked_text_section): Ditto.
4075
00698fc5
CC		 40762010-04-07 Cary Coutant <ccoutant@google.com>
4077
4078 * archive.cc (include_member): Destroy Read_symbols_data object before
4079 releasing file.
4080 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
4081 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
4082 (Read_symbols_data::~Read_symbols_data) New destructor.
4083 (Section_relocs::Section_relocs) New constructor.
4084 (Section_relocs::~Section_relocs) New destructor.
4085 (Read_relocs_data::Read_relocs_data) New constructor.
4086 (Read_relocs_data::~Read_relocs_data) New destructor.
4087 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
4088 pointers to NULL after deleting.
4089
7296d933
DK		 40902010-04-07 Doug Kwan <dougkwan@google.com>
4091
4092 * arm.cc: Replace "endianity" with "endianness" in comments.
4093 (Arm_exidx_cantunwind): Ditto.
4094 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
4095 (Arm_relobj::merge_flags_and_attributes): New method.
4096 (Arm_relobj::merge_flags_and_attributes_): New data member.
4097 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
4098 (Arm_relobj::scan_sections_for_stubs): Ditto.
4099 (Arm_relobj::do_read_symbols): Check to see if we really want to
4100 merge processor-specific flags and attributes. Exit early if
4101 an object is empty except for section names and the undefined symbol.
4102 (Target_arm::do_finalize_sections): Move check for ELF format to
4103 Arm_relobj::do_read_symbols. Merge processor specific flags and
4104 attributes from a regular object only when we have determined that
4105 it is aapropriate. Do not create an .ARM.attributes section in
4106 output if there is no regular input object.
4107 (Target_arm::merge_processor_specific_flags): Check
4108 --warn-mismatch before printing any error.
4109 (Target_arm::merge_object_attributes): Ditto.
4110 * gold.cc (queue_middle_tasks): Handle the case in which there is
4111 no regular object in input.
4112 * options.cc (General_options::parse_EB): New method.
4113 (General_options::parse_EL): Same.
4114 (General_options::General_options): Initialize endianness_.
4115 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
4116 New options.
4117 (General_options::Endianness): New enum.
4118 (General_options::endianness): New method.
4119 (General_options::endianness_): New data member.
4120 * parameters.cc (Parameters::set_options): Check target endianness.
4121 (Parameters::set_target_once): Ditto.
4122 (Parameters::check_target_endianness): New method.
4123 (parameters_force_valid_target): If either -EL or -EB is specified,
4124 use it to define endianness of default target.
4125 * parameters.h (Parameters::check_target_endianness): New method
4126 declaration.
4127 * target.h (class Target): Change "endianity" to "endianness"
4128 in comments.
4129
efc8d4f2
RW		 41302010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4131
4132 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
4133 * configure: Regenerate.
4134 * Makefile.in: Regenerate.
4135 * testsuite/Makefile.in: Regenerate.
4136
be234d88
CC		 41372010-04-06 Cary Coutant <ccoutant@google.com>
4138
4139 gcc PR lto/42757
4140 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
4141 prevailing definitions of common symbols.
4142 * testsuite/plugin_test_6.sh: New test case.
4143 * testsuite/plugin_common_test_1.c: New test case.
4144 * testsuite/plugin_common_test_2.c: New test case.
4145 * testsuite/Makefile.am (plugin_test_6): New test case.
4146 * testsuite/Makefile.in: Regenerate.
4147
bd32c6bd
NC		 41482010-04-06 Nick Clifton <nickc@redhat.com>
4149
4150 * po/vi.po: New Vietnamese translation.
4151
323c532f
DK		 41522010-03-30 Doug Kwan <dougkwan@google.com>
4153
4154 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
4155
4fcd97eb
DK		 41562010-03-25 Doug Kwan <dougkwan@google.com>
4157
4158 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
4159 to avoid a conversion warning on a 32-bit host.
4160
4ebf39db
ILT		 41612010-03-24 Ian Lance Taylor <iant@google.com>
4162
4163 * testsuite/script_test_3.t: Add a TLS segment.
4164 * testsuite/Makefile.am (check_PROGRAMS): Add
4165 tls_phdrs_script_test.
4166 (tls_phdrs_script_test_SOURCES): Define.
4167 (tls_phdrs_script_test_DEPENDENCIES): Define.
4168 (tls_phdrs_script_test_LDFLAGS): Define.
4169 (tls_phdrs_script_test_LDADD): Define.
4170 * testsuite/Makefile.in: Rebuild.
4171
4a599bdd
CC		 41722010-03-23 Cary Coutant <ccoutant@google.com>
4173
4174 * fileread.cc (find_or_make_view): Fix comment.
4175
6c93b22c
ILT		 41762010-03-23 Ian Lance Taylor <iant@google.com>
4177
4178 * script-sections.cc (class Orphan_section_placement): Define
4179 PLACE_TLS and PLACE_TLS_BSS.
4180 (Orphan_section_placement::Orphan_section_placement): Initialize
4181 new places.
4182 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
4183 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
4184 (tls_script_test_SOURCES): Define.
4185 (tls_script_test_DEPENDENCIES): Define.
4186 (tls_script_test_LDFLAGS): Define.
4187 (tls_script_test_LDADD): Define.
4188 * testsuite/Makefile.in: Rebuild.
4189
a2c7281b
DK		 41902010-03-22 Doug Kwan <dougkwan@google.com>
4191
4192 * arm.cc (Arm_relocate_functions::abs8,
4193 Arm_relocate_functions::abs16): Use correct check for overflow
4194 specified in the ARM ELF specs.
4195 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
4196 target of a BLX instruction specially.
4197 (Reloc_stub::stub_type_for_reloc): Ditto.
4198 (Relocate::relocate): Use symbolic names instead of numeric relocation
4199 codes to report error.
4200 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
4201 workaround.
4202 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
4203 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
4204 thumb2_blx_out_of_range.stdout
4205 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
4206 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
4207 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
4208 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
4209 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
4210 thumb2_blx_in_range, thumb2_blx_in_range.o,
4211 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
4212 thumb2_blx_out_of_range.o): New rules.
4213 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
4214 thumb2_blx_in_range and thumb2_blx_out_of_range.
4215 * testsuite/Makefile.in: Regenerate.
4216 * arm_branch_in_range.sh: Add tests for THUMB BLX.
4217 * testsuite/thumb_blx_in_range.s: New file.
4218 * testsuite/thumb_blx_out_of_range.s: New file.
4219
b0193076
RÁE		 42202010-03-22 Rafael Espindola <espindola@google.com>
4221
4222 * archive.cc (Should_include): Move to archive.h.
4223 (should_include_member): Make it a member of Archive.
4224 (Lib_group): New.
4225 (Add_lib_group_symbols): New.
4226 * archive.h: Include options.h.
4227 (Archive_member): Moved from Archive.
4228 (Should_include): Moved from archive.cc.
4229 (Lib_group): New.
4230 (Add_lib_group_symbols): New.
4231 * dynobj.cc (do_should_include_member): New.
4232 * dynobj.h (do_should_include_member): New.
4233 * gold.cc (queue_initial_tasks): Update call to queue.
4234 * main.cc (main): Print lib group stats.
4235 * object.cc (do_should_include_member): New.
4236 * object.h: Include archive.h.
4237 (Object::should_include_member): New.
4238 (Object::do_should_include_member): New.
4239 (Sized_relobj::do_should_include_member): New.
4240 * options.cc (General_options::parse_start_lib): New.
4241 (General_options::parse_end_lib): New.
4242 (Input_arguments::add_file): Handle lib groups.
4243 (Input_arguments::start_group): Check we are not in a lib.
4244 (Input_arguments::start_lib): New.
4245 (Input_arguments::end_lib): New.
4246 * options.h (General_options): Add start_lib and end_lib.
4247 (Input_argument::lib_): New.
4248 (Input_argument::lib): New.
4249 (Input_argument::is_lib): New.
4250 (Input_file_lib): New.
4251 (Input_arguments::in_lib_): New.
4252 (Input_arguments::in_lib): New.
4253 (Input_arguments::start_lib): New.
4254 (Input_arguments::end_lib_): New.
4255 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
4256 in unused members as preempted.
4257 (Sized_pluginobj::do_should_include_member): New.
4258 * plugin.h (Sized_pluginobj::do_should_include_member): New.
4259 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
4260 return the blocker.
4261 (Read_symbols::do_whole_lib_group): New.
4262 (Read_symbols::do_lib_group): New.
4263 (Read_symbols::do_read_symbols): Handle lib groups.
4264 (Read_symbols::get_name): Handle lib groups.
4265 * readsyms.h (Read_symbols): Add an archive member pointer.
4266 (Read_symbols::do_whole_lib_group): New.
4267 (Read_symbols::do_lib_group): New.
4268 (Read_symbols::member_): New.
4269 * script.cc (read_input_script): Update call to queue_soon.
4270
d099120c
DK		 42712010-03-19 Doug Kwan <dougkwan@google.com>
4272
4273 * arm.cc (Stub_table::Stub_table): Initialize new data members
4274 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4275 (Stub_table::add_reloc_stub): Assign stub offset and update
4276 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
4277 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
4278 New data members.
4279 (Stub_table::update_data_size_and_addralign): Use
4280 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
4281 instead of going over all reloc stubs.
4282 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
4283 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4284 Stringpool_template::offset_ to size of Stringpool_char.
4285 (Stringpool_template::new_key_offset): Remove code to initialize
4286 Stringpool_template::offset_.
4287 * stringpool.h (Stringpool_template::set_no_zero_null): Set
4288 Stringpool_template::offset_ to zero.
4289
1aa37384
DK		 42902010-03-15 Doug Kwan <dougkwan@google.com>
4291
4292 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
4293 offset_.
4294 (Stringpool_template::new_key_offset): New method.
4295 (Stringpool_template::add_string): Assign offsets when adding new
4296 strings.
4297 (Stringpool_template::set_string_offsets): Do not set string offsets
4298 when not optimizing.
4299 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
4300 member size_.
4301 (Chunked_vector::clear): Clear size_.
4302 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
4303 (Chunked_vector::size): Return size_.
4304 (Chunked_vector::push_back): Use size_ to find insert position.
e1df38aa 4305 (Chunked_vector::size_): New data member.
1aa37384
DK		 4306 (Stringpool_template::set_no_zero_null): Assert string set is empty.
4307 (Stringpool_template::new_key_offset): New method declaration.
4308 (Stringpool_template::offset_): New data member.
4309
b672b057
RÁE		 43102010-03-15 Rafael Espindola <espindola@google.com>
4311
4312 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
4313 Add_symbols' constructor.
4314 * readsyms.h (Add_symbols): Remove the input_group member.
4315
b6848d3c
ILT		 43162010-03-10 Ian Lance Taylor <iant@google.com>
4317
4318 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
4319 target to ask whether a reference to a symbol requires a stack
4320 split.
4321 * target.h (Target::is_call_to_non_split): New function.
4322 (Target::do_is_call_to_non_split): Declare virtual function.
4323 * target.cc: Include "symtab.h".
4324 (Target::do_is_call_to_non_split): New function.
4325 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
4326
a2a5469e
CC		 43272010-03-10 Cary Coutant <ccoutant@google.com>
4328
4329 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
4330 (File_read::open[1]): Remove initial mapping of whole_file_view_.
4331 (File_read::open[2]): Add whole_file_view_ to list of views.
4332 (File_read::make_view): Remove test of whole_file_view_.
4333 (File_read::find_or_make_view): Create whole_file_view_ if
4334 necessary.
4335 (File_read::clear_views): Replace bool parameter with enum;
4336 adjust all callers. Don't delete views with permanent data;
4337 do delete cached views and views from archives if
4338 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
4339 if clearing the corresponding view.
4340 * fileread.h (File_read::Clear_views_mode): New enum.
4341 (File_read::View::is_permanent_view): New method.
4342 (File_read::clear_views): Replace bool parameter
4343 with enum; adjust all callers.
4344 * options.h (General_options): Change keep_files_mapped option;
4345 add map_whole_files.
4346 * readsyms.cc (Add_symbols::run): Delete sd_ object before
4347 releasing the file.
4348 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
4349 the file.
4350
8861f32b
DM		 43512010-03-10 David S. Miller <davem@davemloft.net>
4352
4353 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
4354
d62d0f5f
ST		 43552010-03-09 Sriraman Tallam <tmsriram@google.com>
4356
4357 * icf.cc (get_section_contents): Add '@' marker after processing the
4358 merge reloc.
4359
9177756d
DK		 43602010-03-08 Doug Kwan <dougkwan@google.com>
4361
4362 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
4363 due to a conversion warning.
4364 (Arm_relobj::update_output_local_symbol_count): Check for local
4365 symbol with unset output index.
4366
9e9e071b
ILT		 43672010-03-05 Ian Lance Taylor <iant@google.com>
4368
4369 * options.h (class General_options): Add --spare-dynamic-tags.
4370 * output.cc (Output_data_dynamic::set_final_data_size): Implement
4371 --spare-dynamic-tags.
4372
a81ee015
ILT		 43732010-03-05 Ian Lance Taylor <iant@google.com>
4374
4375 * incremental.cc: Include "libiberty.h".
4376
44ec90b9
RO		 43772010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4378
4379 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
4380 function, is_info_ member.
4381 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
4382 (Versions::Versions): Update caller.
4383 (Versions::define_base_version): Likewise.
4384 (Versions::add_def): Likewise.
4385
0897ed3b
ST		 43862010-03-03 Sriraman Tallam <tmsriram@google.com>
4387
4388 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
4389 (Scan::possible_function_pointer_reloc): New function.
4390 (Scan::local_reloc_may_be_function_pointer): Change to call
4391 possible_function_pointer_reloc.
4392 (Scan::global_reloc_may_be_function_pointer): Ditto.
4393 * icf.h (Icf::check_section_for_function_pointers): Change to reject
4394 relocations in ".data.rel.ro._ZTV" section.
4395 * testsuite/icf_safe_so_test.sh: Change to pass i386.
4396 * testsuite/icf_safe_so_test.cc: Ditto.
4397 * testsuite/icf_safe_test.cc: Ditto.
4398 * testsuite/icf_safe_test.sh: Ditto.
4399
d3bbad62
ILT		 44002010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4401 Ian Lance Taylor <iant@google.com>
4402
4403 * target-reloc.h (relocate_section): Check the symbol table index
4404 for -1U before setting the local symbol index.
4405 (scan_relocatable_relocs): If copying the relocation, record that
4406 the local symbol is required.
4407 * object.h (Symbol_value::is_output_symtab_index_set): New
4408 function.
4409 (Symbol_value::may_be_discarded_from_output_symtab): New
4410 function.
4411 (Symbol_value::has_output_symtab_entry): New function.
4412 (Symbol_value::needs_output_symtab_entry): Remove.
4413 (Symbol_value::output_symtab_index): Make sure the symbol index is
4414 set.
4415 (Symbol_value::set_output_symtab_index): Make sure the symbol
4416 index is not set. Make sure the new index is valid.
4417 (Symbol_value::set_must_have_output_symtab_entry): New function.
4418 (Symbol_value::has_output_dynsym_entry): New function.
4419 (Symbol_value::set_output_dynsym_index): Make sure the new index
4420 is valid.
4421 (Sized_relobj::set_must_have_output_symtab_entry): New function.
4422 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
4423 local symbol if permitted.
4424 (Sized_relobj::do_finalize_local_symbols): Call
4425 is_output_symtab_index_set rather than needs_output_symtab_entry.
4426 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
4427 rather than needs_output_symtab_entry. Call
4428 has_output_dynsym_entry rather than needs_output_dynsym_entry.
4429 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
4430 is_output_symtab_index_set rather than needs_output_symtab_entry.
4431 * testsuite/discard_locals_relocatable_test.c: New file.
4432 * testsuite/discard_locals_test.sh: Test -r.
4433 * testsuite/Makefile.am (check_DATA): Add
4434 discard_locals_relocatable_test1.syms,
4435 discard_local_relocatable_test2.syms.
4436 (MOSTLYCLEANFILES): Likewise. Also add
4437 discard_locals_relocatable_test1.lout and
4438 discard_locals_relocatable_test2.out.
4439 (discard_locals_relocatable_test1.syms): New target.
4440 (discard_locals_relocatable_test.o): New target.
4441 (discard_locals_relocatable_test1.out): New target.
4442 (discard_locals_relocatable_test2.syms): New target.
4443 (discard_locals_relocatable_test2.out): New target.
4444 (various): Add missing ../ld-new dependencies.
4445 * testsuite/Makefile.in: Rebuild.
4446
7e8ccf26
NC		 44472010-03-03 Nick Clifton <nickc@redhat.com>
4448
4449 * po/fi.po: New Finnish translation.
4450
2a0ff005
DK		 44512010-03-01 Doug Kwan <dougkwan@google.com>
4452
4453 * layout.cc (Layout::Layout): Force section types of .init_array*,
4454 .preinit_array* and .fini_array* sections.
4455 * output.cc (Output_section::Input_section_sort_entry::has_priority):
4456 Fix check of return value of std::string::find.().
4457 (Output_section::Input_section_sort_compare::operator()): Remove
4458 comment about .init_array.
4459 (Output_section::Input_section_sort_init_fini_compare::operator()):
4460 New method.
4461 (Output_section::sort_attached_input_sections): Handle .init_array
4462 and .fini_array specially.
4463 * output.h (Output_section::Inut_section_sort_compare): Update
4464 comment.
4465 (Output_section::Input_section_sort_init_fini_compare): New struct.
4466
c3e4ae29
DK		 44672010-02-26 Doug Kwan <dougkwan@google.com>
4468
4469 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4470 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
4471 * testsuite/debug_msg.sh: Avoid matching source line number for
4472 use of global variable undef_int.
4473
2fd9ae7a
DK		 44742010-02-26 Doug Kwan <dougkwan@google.com>
4475
4476 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4477 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
4478 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
4479 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
4480 * options.cc (General_options::General_options): Initialize member
4481 fix_v4bx_.
4482 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
4483 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
4484 and rm_no_fix_v4bx.stdout
4485 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
4486 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
4487 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
4488 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
4489 and arm_no_fix_v4bx.
4490 * Makefile.in: Regenerate.
4491 * testsuite/arm_fix_v4bx.s: New file.
4492 * testsuite/arm_fix_v4bx.sh: Ditto.
4493
67ec7d0b
DK		 44942010-02-24 Doug Kwan <dougkwan@google.com>
4495
4496 * arm.cc (Target_arm::got_section): Make the .got section the first
4497 non RELRO section in the data segment.
4498 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
4499 suffixes of section names.
4500
10165461
DK		 45012010-02-24 Doug Kwan <dougkwan@google.com>
4502
4503 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4504 flags and attributes merging if an input file is a binary file.
4505 * fileread.cc (Input_file::open): Record format of original file.
4506 * fileread.h (Input_file::Format): New enum type.
4507 (Input_file::Input_file): Initialize data member format_.
4508 (Input_file::format): New method definition.
4509 (Input_file::format_):: New data member.
4510
4a54abbb
DK		 45112010-02-24 Doug Kwan <dougkwan@google.com>
4512
4513 * arm.cc (Arm_output_data_got): New class.
4514 (ARM_TCB_SIZE): New constant
4515 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
4516 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
4517 If user uses a script with a SECTIONS clause, issue only a warning
4518 for a misplaced EXIDX input section. Otherwise, issue an error.
4519 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
4520 garbage collection.
4521 (Target_arm::got_mode_index_entry): Handle static linking.
4522 (Target_arm::Scan::local): Ditto.
4523 (Target_arm::Scan::global): Ditto.
4524 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
4525 all incorrectly implemented relocations.
e1df38aa 4526 (Target_arm::fix_exidx_coverage): Pass layout to
4a54abbb
DK		 4527 Arm_output_section::fix_exidx_coverage.
4528 * layout.cc (Layout::section_name_mapping): Remove trailing dots
4529 from ".ARM.exidx." and ".ARM.extab.".
4530
ca419a6f
ILT		 45312010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4532
4533 * arm.cc (Target_arm::do_finalize_sections): Create attribute
4534 section if it does not already exist.
4535 * attributes.cc (Attributes_section_data::Attributes_section_data):
4536 Don't crash if size is zero.
4537
135b9c78
ILT		 45382010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4539 Ian Lance Taylor <iant@google.com>
4540
4541 * gold.cc (queue_middle_tasks): If no input files were opened,
4542 exit.
4543 * workqueue.h (Task_function::Task_function): Assert that there is
4544 a blocker.
4545
bb0bfe4f
DK		 45462010-02-22 Doug Kwan <dougkwan@google.com>
4547
4548 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
4549 * icf.cc (get_section_contents): Cast snprintf arguments to long long
4550 types to avoid warnings due to different uint64_t implementations
4551 on different hosts.
4552
2a2b6d42
DK		 45532010-02-21 Doug Kwan <dougkwan@google.com>
4554
4555 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
4556 handling of the maximum backward branch offset.
4557 (Arm_relocate_functions::thumb_branch_common): Ditto.
4558 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
4559 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
e1df38aa 4560 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2a2b6d42
DK		 4561 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
4562 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
4563 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
4564 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
4565 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
4566 thumb_bl_out_of_range thumb_bl_out_of_range.o,
4567 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
4568 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
4569 thumb2_bl_out_of_range.o): New rules.
4570 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
4571 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
4572 thumb2_bl_out_of_range
4573 * testsuite/Makefile.in: Regenerate.
4574 * testsuite/arm_bl_in_range.s: New file.
4575 * testsuite/arm_bl_out_of_range.s: Ditto.
4576 * testsuite/arm_branch_in_range.sh: Ditto.
4577 * testsuite/arm_branch_range.t: Ditto.
4578 * testsuite/thumb2_branch_range.t: Ditto.
4579 * testsuite/thumb_bl_in_range.s: Ditto.
4580 * testsuite/thumb_bl_out_of_range.s: Ditto.
4581 * testsuite/thumb_branch_range.t: Ditto.
4582
b487ad64
ST		 45832010-02-20 Sriraman Tallam <tmsriram@google.com>
4584
4585 * gc.h (gc_process_relocs): Change vectors to point to the new list.
4586 Add reloc offset information.
4587 * icf.cc (get_section_contents): Change iterators to point to the new
4588 vectors. Add reloc offset information to the contents.
4589 * icf.h (Icf::Sections_reachable_info): New typedef.
4590 (Icf::Sections_reachable_list): New typedef.
4591 (Icf::Offset_info): New typedef.
4592 (Icf::Reloc_info): New struct typedef.
4593 (Icf::Reloc_info_list): New typedef.
4594 (Icf::symbol_reloc_list): Delete method.
4595 (Icf::addend_reloc_list): Delete method.
4596 (Icf::section_reloc_list): Delete method.
4597 (Icf::reloc_info_list): New method.
4598 (Icf::reloc_info_list_): New member.
4599
f96accdf
DK		 46002010-02-19 Doug Kwan <dougkwan@google.com>
4601
4602 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
4603 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
4604 * arm.cc (Arm_relocation_functions): New forward declaration.
4605 (Target_arm::Target_arm): Initialize new data members
4606 got_mod_index_offset_ and tls_base_symbol_defined_.
4607 (Target_arm::Relocate::relocate_tls): New method.
4608 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
4609 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
4610 New methods.
4611 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
4612 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
4613 (Target_arm::got_mod_index_offset_,
4614 Target_arm::tls_base_symbol_defined_): New data members.
4615 (Target_arm::Scan::local, Target::Scan::global,
4616 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
4617 relocations.
4618
c8761b9a
DK		 46192010-02-18 Doug Kwan <dougkwan@google.com>
4620
4621 * arm.cc (Arm_relobj::find_linked_text_section): New method.
4622 (Arm_relobj::make_exidx_input_section): Pass section index of linked
4623 text section as a parameter becuase some broken tools may not set
4624 the link in section header.
4625 (Target_arm::has_got_section): New method.
4626 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
4627 without any mapping symbol as data only. Remove warning.
4628 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
4629 link in its section header, try to discover the link by inspecting the
4630 REL31 relocation at the beginning of the section.
4631 (Target_arm::Scan::check_non_pic): Report name of offending relocation
4632 in error message.
4633 (Target_arm::Scan::global): Treat any reference to the symbol
4634 _GLOBAL_OFFSET_TABLE_ as a GOT access.
4635
21bb3914
ST		 46362010-02-12 Sriraman Tallam <tmsriram@google.com>
4637
4638 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
4639 (Scan::global_reloc_may_be_function_pointer): New function.
4640 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4641 (Scan::global_reloc_may_be_function_pointer): New function.
4642 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
4643 (Scan::global_reloc_may_be_function_pointer): New function.
4644 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
4645 (Scan::global_reloc_may_be_function_pointer): New function.
4646 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
4647 (Scan::global_reloc_may_be_function_pointer): New function.
4648 (Scan::possible_function_pointer_reloc): New function.
4649 (Target_x86_64::can_check_for_function_pointers): New function.
4650 * gc.h (gc_process_relocs): Scan relocation types to determine if
4651 function pointers were taken for targets that support it.
4652 * icf.cc (Icf::find_identical_sections): Include functions for
4653 folding in safe ICF whose pointer is not taken.
4654 * icf.h (Secn_fptr_taken_set): New typedef.
4655 (fptr_section_id_): New member.
4656 (section_has_function_pointers): New function.
4657 (set_section_has_function_pointers): New function.
4658 (check_section_for_function_pointers): New function.
4659 * options.h: Fix comment for safe ICF option.
4660 * target.h (can_check_for_function_pointers): New function.
4661 * testsuite/Makefile.am: Add icf_safe_so_test test case.
4662 Modify icf_safe_test for X86-64.
4663 * testsuite/Makefile.in: Regenerate.
4664 * testsuite/icf_safe_so_test.cc: New file.
4665 * testsuite/icf_safe_so_test.sh: New file.
4666 * testsuite/icf_safe_test.cc (kept_func_3): New function.
4667 (main): Change to take pointer to function kept_func_3.
4668 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
4669 folding is done correctly for X86-64.
4670
0da6fa6c
DM		 46712010-02-12 David S. Miller <davem@davemloft.net>
4672
4673 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
4674 is_symbolless parameter.
4675 (Output_reloc<SHT_REL>::is_symbolless): New.
4676 (Output_reloc<SHT_REL>::is_symbolless_): New.
4677 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
4678 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
4679 (Output_reloc<SHT_RELA>::is_symbolless): New.
4680 (Output_data_reloc::add_global): Handle is_symbolless.
4681 (Output_data_reloc::add_global_relative): Likewise.
4682 (Output_data_reloc::add_local): Likewise.
4683 (Output_data_reloc::add_local_relative): Likewise.
4684 (Output_data_reloc::add_symbolless_global_addend): New.
4685 (Output_data_reloc::add_symbolless_local_addend): New.
4686 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
4687 is_symbolless.
4688 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
4689 instead of ->is_relative_
4690 (Output_reloc::write): Likewise.
4691 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
4692 (Output_reloc::write_rel): Simplify.
4693
4694 * sparc.cc (Target_sparc::Scan::local): Use
4695 ->add_symbolless_local_addend as needed.
4696 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
4697 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
4698 based upon relocation offset.
4699
e4782e83
DK		 47002010-02-11 Doug Kwan <dougkwan@google.com>
4701
4702 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
4703 (Target_arm::Scan::global): Ditto. Also remove a comment before the
4704 beginning of function.
4705 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
4706 and MOVT_ABS relocations. Those are non issued in scanning. Fix
4707 parameter is_32bit in calls to should_apply_static_reloc.
4708 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
4709 (check_DATA): Add arm_abs_global.stdout.
4710 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
4711 arm_abs_global.stdout): New rules.
4712 (MOSTLLYCLEANFILES): Add arm_abs_global
4713 * Makefile.in: Regenerate.
4714 * testsuite/arm_abs_global.s: New file.
4715 * testsuite/arm_abs_global.sh: Ditto.
4716 * testsuite/arm_abs_lib.s: Ditto.
4717
93ceb764
ILT		 47182010-02-11 Ian Lance Taylor <iant@google.com>
4719
4720 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
4721 Read_relocs task.
4722 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
4723 Allocate_commons_task first.
4724 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
4725 task, rather than symtab_lock_.
4726 (Gc_process_relocs::~Gc_process_relocs): New function.
4727 (Gc_process_relocs::is_runnable): Check this_blocker_.
4728 (Gc_process_relocs::locks): Use next_blocker_ rather than
4729 blocker_.
4730 (Scan_relocs::~Scan_relocs): New function.
4731 (Scan_relocs::is_runnable): Check this_blocker_ rather than
4732 symtab_lock_.
4733 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
4734 next_blocker_.
4735 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
4736 fields. Add this_blocker_ and next_blocker_ fields. Adjust
4737 constructor accordingly.
4738 (class Gc_process_relocs): Likewise.
4739 (class Scan_relocs): Likewise.
4740 * common.h (class Allocate_commons_task): Remove symtab_lock_
4741 field, and corresponding constructor parameter.
4742 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
4743 symtab_lock_.
4744 (Allocate_commons_task::locks): Likewise.
4745
114dfbe1
ILT		 47462010-02-11 Ian Lance Taylor <iant@google.com>
4747
4748 * gold-threads.h (class Once): Define.
4749 (class Initialize_lock): Rewrite as child of Once.
4750 * gold-threads.cc (class Once_initialize): Define.
4751 (once_pointer_control): New static variable.
4752 (once_pointer, once_arg): New static variables.
4753 (c_run_once): New static function.
4754 (Once::Once, Once::run_once, Once::internal_run): New functions.
4755 (class Initialize_lock_once): Remove.
4756 (initialize_lock_control): Remove.
4757 (initialize_lock_pointer): Remove.
4758 (initialize_lock_once): Remove.
4759 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
4760 (Initialize_lock::initialize): Rewrite.
4761 (Initialize_lock::do_run_once): New function.
4762 * archive.cc (Archive::interpret_header): Only clear name if it is
4763 not already empty.
4764 * fileread.cc: Include "gold-threads.h"
4765 (file_counts_lock): New static variable.
4766 (file_counts_initialize_lock): Likewise.
4767 (File_read::release): Only increment counts when using --stats.
4768 Use a lock around the increment.
4769 * parameters.cc (class Set_parameters_target_once): Define.
4770 (set_parameters_target_once): New static variable.
4771 (Parameters::Parameters): Move here from parameters.h.
4772 (Parameters::set_target): Rewrite.
4773 (Parameters::set_target_once): New function.
4774 (Parameters::clear_target): Move here and rewrite.
4775 * parameters.h (class Parameters): Update declarations. Add
4776 set_parameters_target_once_ field.
4777 (Parameters::Parameters): Move to parameters.cc.
4778 (Parameters::clear_target): Likewise.
4779 * readsyms.cc (Read_symbols::do_group): Create a Start_group
4780 task.
4781 (Start_group::~Start_group): New function.
4782 (Start_group::is_runnable): New function.
4783 (Start_group::locks, Start_group::run): New functions.
4784 (Finish_group::run): Change saw_undefined to size_t.
4785 * readsyms.h (class Start_group): Define.
4786 (class Finish_group): Change saw_undefined_ field to size_t.
4787 (Finish_group::Finish_group): Remove saw_undefined and
4788 this_blocker parameters. Change all callers.
4789 (Finish_group::set_saw_undefined): New function.
4790 (Finish_group::set_blocker): New function.
4791 * symtab.h (class Symbol_table): Change saw_undefined to return
4792 size_t. Change saw_undefined_ field to size_t.
4793 * target-select.cc (Set_target_once::do_run_once): New function.
4794 (Target_selector::Target_selector): Initialize set_target_once_
4795 field. Don't initialize lock_ and initialize_lock_ fields.
4796 (Target_selector::instantiate_target): Rewrite.
4797 (Target_selector::set_target): New function.
4798 * target-select.h (class Set_target_once): Define.
4799 (class Target_selector): Update declarations. Make
4800 Set_target_once a friend. Remove lock_ and initialize_lock_
4801 fields. Add set_target_once_ field.
4802
fa17a3f4
ILT		 48032010-02-10 Ian Lance Taylor <iant@google.com>
4804
4805 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
4806 queueing any tasks.
4807 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
4808 (queue_middle_tasks): Add all blockers before queueing any tasks.
4809 (queue_final_tasks): Likewise.
4810 * token.h (Task_token::add_blockers): New function.
4811 * object.h (Input_objects::number_of_relobjs): New function.
4812
c7177d31
ILT		 48132010-02-10 Ian Lance Taylor <iant@google.com>
4814
5de0e392
ILT		 4815 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
4816 shared, not if not position independent.
4817 * x86_64.cc (Relocate::relocate_tls): Likewise.
4818 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
4819 (tls_pie_pic_test): New target.
4820 * testsuite/Makefile.in: Rebuild.
4821
c7177d31
ILT		 4822 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
4823 (tls_test_main_pie.o, tls_test_pie.o): New targets.
4824 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
4825 * testsuite/Makefile.in: Rebuild.
4826
684b268a
DM		 48272010-02-09 David S. Miller <davem@davemloft.net>
4828
4829 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
4830 R_SPARC_RELATIVE using ->add_local_relative().
4831 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
4832
612a8d3d
DM		 4833 * output.h (Output_data_dynamic::add_section_size): New method
4834 that takes two Output_data objects.
4835 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
4836 entry param. Handle it in initializers.
4837 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
4838 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
4839 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
4840 arg.
4841 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
4842 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
4843 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
4844 for dynrel_includes_plt.
4845 * i386.cc (Target_i386::do_finalize_sections): Likewise.
4846 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
4847 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
4848 before .rela.plt
4849 (Target_sparc::do_finalize_sections): Update to pass true for
4850 dynrel_includes_plt.
4851 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
4852 output before .rela.plt
4853 (Target_powerpc::do_finalize_sections): Update to pass true for
4854 dynrel_includes_plt when 32-bit.
4855
cb1be87e
DK		 48562010-02-08 Doug Kwan <dougkwan@google.com>
4857
4858 * arm.cc (Arm_relobj::simple_input_section_output_address): New
4859 method.
4860 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
4861 Arm_relobj::scan_section_for_cortex_a8_stubs,
4862 Arm_relobj::do_relocation_section): Instead of calling
4863 Output_section::output_address, use faster
4864 Arm_relobj::simple_input_section_output_address.
4865
705b5121
DM		 48662010-02-08 David S. Miller <davem@davemloft.net>
4867
4868 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
4869 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
4870 relocation helper function.
4871
024c4466
DM		 4872 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
4873 just like R_SPARC_GOT{10,13,22}.
4874 (Target_sparc::Scan::local): Likewise.
4875 (Target_sparc::Relocate:relocate): Likewise.
4876
9109c078
ILT		 48772010-02-06 Ian Lance Taylor <iant@google.com>
4878
4879 * configure.ac: Rewrite targetobjs duplicate removal code to use
4880 only shell constructs.
4881 * configure: Rebuild.
4882
cf846138
DK		 48832010-02-05 Doug Kwan <dougkwan@google.com>
4884
4885 PR 11247
4886 * arm.cc (Arm_relobj::section_is_scannable): New method.
4887 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
4888 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
4889
6cfaf60b
DK		 48902010-02-04 Doug Kwan <dougkwan@google.com>
4891
4892 PR 11247
4893 * arm-reloc-property.cc (cstdio): Include.
4894 * configure.ac (targetobjs): Remove duplicates.
4895 * configure: Regenerate.
4896 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
4897 big and little endian version for a given address size.
4898
5c57f1be
DK		 48992010-02-03 Doug Kwan <dougkwan@google.com>
4900
4901 * arm-reloc-property.cc
4902 (Arm_reloc_property_table::reloc_name_in_error_message): New method
4903 definition.
4904 * arm-reloc-property.h
4905 (Arm_reloc_property_table::get_implemented_static_reloc_property):
4906 New method definition.
4907 (Arm_reloc_property_table::reloc_name_in_error_message): New method
4908 declaration.
4909 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
4910 overflow to N.
4911 (GOT_PREL): Change implemented to Y.
4912 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
4913 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
4914 (Arm_relocate_functions::movw_abs_nc): Remove method.
4915 (Arm_relocate_functions::movt_abs): Ditto.
4916 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
4917 (Arm_relocate_functions::thm_movt_abs): Ditto.
4918 (Arm_relocate_functions::movw_rel_nc): Ditto.
4919 (Arm_relocate_functions::movw_rel): Ditto.
4920 (Arm_relocate_functions::movt_rel): Ditto.
4921 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
4922 (Arm_relocate_functions:thm_movw_rel): Ditto.
4923 (Arm_relocate_functions:thm_movt_rel): Ditto.
4924 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
4925 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
4926 New method definitions.
4927 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
4928 (Arm_relocation_functions::arm_grp_ldr): Ditto.
4929 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
4930 (Arm_relocation_functions::arm_grp_ldc): Ditto.
4931 (Target_arm::Relocate::relocate): Check for non-static or
4932 unimplemented relocation code and exit early. Change calls to
4933 Target_arm::reloc_uses_thumb_bit and
4934 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
4935 instead. Refactor code to handle similar relocations to increase
4936 code sharing. Remove check for unsupported relocation code in switch
4937 statement.
4938 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
4939 relocation property table to find out size. Change error message to
4940 print out the name of a relocation code instead of the numeric value.
4941 (Target_arm::scan_reloc_for_stub): Use relocation property table
4942 instead of calling Target_arm::reloc_uses_thumb_bit().
4943
218c5831
DK		 49442010-02-02 Doug Kwan <dougkwan@google.com>
4945
4946 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
4947 types of relaxed input section.
4948
0d31c79d
DK		 49492010-02-02 Doug Kwan <dougkwan@google.com>
4950
4951 * Makefile.am (HFILES): Add arm-reloc-property.h.
4952 (DEFFILES): New.
4953 (TARGETSOURCES): Add arm-reloc-property.cc
4954 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
4955 (libgold_a_SOURCES): $(DEFFILES)
4956 * Makefile.in: Regenerate.
4957 * arm-reloc-property.cc: New file.
4958 * arm-reloc-property.h: New file.
4959 * arm-reloc.def: New file.
4960 * arm.cc: Update comments.
4961 (arm-reloc-property.h): New included header.
4962 (arm_reloc_property_table): New global variable.
4963 (Target_arm::do_select_as_default_target): New method definition.
4964 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
4965 arm-reloc-property to targ_extra_obj.
4966 * parameters.cc (set_parameters_target): Call
4967 Target::select_as_default_target().
4968 * target.h (Target::select_as_default_target): New method definition.
4969 (Target::do_select_as_default_target): Same.
4970
546c7457
DK		 49712010-02-01 Doug Kwan <dougkwan@google.com>
4972
4973 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
4974 first_output_text_section_.
4975 (Arm_exidx_fixup::first_output_text_section): New method definition.
4976 (Arm_exidx_fixup::first_output_text_section_): New data member.
4977 (Arm_exidx_fixup::process_exidx_section): Record the first text
4978 output section seen.
4979 (Arm_output_section::fix_exidx_coverage): Set correct linked section
4980 and entsize in output section header.
4981
11b861d5
DK		 49822010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4983
4984 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
4985 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
4986 (Arm_relocate_functions::thm_alu11): New Method.
4987 (Arm_relocate_functions::thm_pc8): New Method.
4988 (Arm_relocate_functions::thm_pc12): New Method.
4989 (Target_arm::Scan::local): Handle the relocations.
4990 (Target_arm::Scan::global): Likewise.
4991 (Target_arm::Relocate::relocate): Likewise.
4992 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4993
c9a2c125
DK		 49942010-01-29 Doug Kwan <dougkwan@google.com>
4995
4996 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
4997 of relocation types as ld.
4998
1521477a
DK		 49992010-01-29 Doug Kwan <dougkwan@google.com>
5000
5001 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
5002 to public.
5003 (Arm_relocate_functions::thumb_branch_common): Ditto.
5004 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
5005 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
5006 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
5007 Arm_relocate_functions::jump24): Remove.
5008 (Target_arm::Relocate::relocate): Adjust code to call
5009 Arm_relocation_functions::arm_branch_common and
5010 Arm_relocation_functions::thumb_branch_common instead of their removed
e1df38aa 5011 wrappers. Merge switch-cases together to reduce source code size.
1521477a 5012
e7eca48c
DK		 50132010-01-29 Doug Kwan <dougkwan@google.com>
5014
5015 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
5016 output_local_symbol_count_needs_update_.
5017 (Arm_relobj::output_local_symbol_count_needs_update,
5018 Arm_relobj::set_output_local_symbol_count_needs_update,
5019 Arm_relobj::update_output_local_symbol_count): New methods.
5020 (Arm_relobj::output_local_symbol_count_needs_update_): New data
5021 member.
5022 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
5023 of pointed function as in a R_ARM_PREL31 relocation.
5024 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
5025 for output local symbol count updating.
5026 (Target_arm::do_relax): Update output local symbol counts in objects
5027 if necessary.
5028 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
5029
02961d7e
ILT		 50302010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5031
5032 * arm.cc: Added support for the ARM relocations:
5033 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
5034 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
5035 (Arm_relocate_functions::movw_rel_nc): Renamed (was
5036 movw_prel_nc).
5037 (Arm_relocate_functions::movw_rel): New method.
5038 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
5039 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
5040 thm_movw_prel_nc).
5041 (Arm_relocate_functions::thm_movw_rel): New method.
5042 (Arm_relocate_functions::thm_movt_rel): Renamed (was
5043 thm_movt_prel).
5044 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
5045 relocations.
5046 (Target_arm::Scan::global): Likewise.
5047 (Target_arm::Relocate::relocate): Likewise.
5048 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5049 Likewise.
5050
b10d2873
ILT		 50512010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5052
5053 * arm.cc: Added support for ARM group relocations.
5054 (Target_arm::reloc_needs_sym_origin): New method.
5055 (Arm_relocate_functions::calc_grp_kn): New method.
5056 (Arm_relocate_functions::calc_grp_residual): New method.
5057 (Arm_relocate_functions::calc_grp_gn): New method.
5058 (Arm_relocate_functions::arm_grp_alu): New Method.
5059 (Arm_relocate_functions::arm_grp_ldr): New Method.
5060 (Arm_relocate_functions::arm_grp_ldrs): New Method.
5061 (Arm_relocate_functions::arm_grp_ldc): New Method.
5062 (Target_arm::Scan::local): Handle the ARM group relocations.
5063 (Target_arm::Scan::global): Likewise.
5064 (Target_arm::Relocate::relocate): Likewise.
5065 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5066 Likewise.
5067
2b328d4e
DK		 50682010-01-26 Doug Kwan <dougkwan@google.com>
5069
5070 * arm.cc (set): Include.
5071 (class Arm_exidx_fixup): Change type of last_input_section_ to const
5072 pointer type.
5073 (Arm_output_section::Text_section_list): New type.
5074 (Arm_output_section::append_text_sections_to_list): New method.
5075 (Arm_output_section::fix_exidx_coverage): Ditto.
5076 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
5077 (Arm_relobj::convert_input_section_to_relaxed_section): Use
5078 Relobj::set_section_offset() instead of
5079 Sized_relobj::invalidate_section_offset().
5080 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
5081 parameter for section headers. Ignore relocation sections for
5082 unallocated sections and EXIDX sections.
5083 (Target_arm::fix_exidx_coverage): New method.
5084 (Target_arm::output_section_address_less_than): New type.
5085 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
5086 linked text section instead of the EXIDX section.
5087 (Arm_output_section::create_stub_group): Add an assertion to check
5088 that this is not an EXIDX output section.
5089 (Arm_output_section::append_text_sections_to_list): New method.
5090 (Arm_output_section::fix_exidx_coverage): Ditto.
5091 (Arm_relobj::scan_sections_for_stubs): Adjust call to
5092 Arm_relobj::section_needs_reloc_stub_scanning.
5093 (Target_arm::do_relax): Fix EXIDX output section coverage in the
5094 first pass.
5095 (Target_arm::fix_exidx_coverage): New method.
5096 * object.h (Relobj::set_output_section): New method.
5097 (Sized_relobj::invalidate_section_offset): Remove method.
5098 (Sized_relobj::do_invalidate_section_offset): Remove method.
5099 (Sized_relobj::do_set_section_offset): Handle offset value -1.
5100
c7f3c371
DK		 51012010-01-25 Doug Kwan <dougkwan@google.com>
5102
5103 * arm.cc (Arm_exidx_merged_section::do_output_offset):
5104 Fix warning due to signed and unsigned comparison on a 32-bit host.
5105
8923b24c
DK		 51062010-01-22 Doug Kwan <dougkwan@google.com>
5107
5108 * arm.cc (Target_arm::do_relax): Record an output section for section
5109 offset adjustment it contains any stub table that has changed.
5110 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
5111 offsets in an output section if necessary.
5112 * output.cc (Output_section::Output_section): Initialize
5113 section_offsets_need_adjustments_.
5114 (Output_section::add_input_section_for_script): Renamed to
5115 Output_section::add_simple_input_section.
5116 (Output_section::save_states): Add a comment.
5117 (Output_section::discard_states): New method defintion.
5118 (Output_section::adjust_section_offsets): Same.
5119 * output.h (Output_section::add_input_section_for_script): Renamed to
5120 Output_section::add_simple_input_section.
5121 (Output_section::discard_states): New method declaration.
5122 (Output_section::adjust_section_offsets): Same.
5123 (Output_section::section_offsets_need_adjustment,
5124 Output_section::set_section_offsets_need_adjustment): New method
5125 definitions.
5126 (Output_section::section_offsets_need_adjustment_): New data member.
5127 * script-sections.cc
5128 (Output_section_element_input::set_section_address): Adjust code for
5129 renaming of Output_section::add_input_section_for_script.
5130 (Orphan_output_section::set_section_address): Same.
5131
9b2fd367
DK		 51322010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5133
5134 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
5135 Fix_v4bx enum values .
5136 * gold/options.h (General_options): New option definitions.
5137 (General_options::fix_v4bx): New method.
5138 (General_options::Fix_v4bx): New enum.
5139 * gold/options.cc (General_options::parse_fix_v4bx): New method.
5140 (General_options::parse_fix_v4bx_interworking): New method.
5141
80d0d023
DK		 51422010-01-22 Doug Kwan <dougkwan@google.com>
5143
5144 * arm.cc (Arm_exidx_fixup): New class.
5145
af2cdeae
DK		 51462010-01-21 Doug Kwan <dougkwan@google.com>
5147
5148 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
5149 classes.
5150 (Arm_exidx_section_offset_map): New type.
5151
993d07c1
DK		 51522010-01-21 Doug Kwan <dougkwan@google.com>
5153
5154 * arm.cc (Arm_exidx_input_section): New class.
5155 (Arm_relobj::exidx_input_section_by_link,
5156 Arm_relobj::exidx_input_section_by_shndx,
5157 Arm_relobj::make_exidx_input_section): New methods.
5158 (read_arm_attributes_section): Remove.
5159 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
5160 information about them.
5161 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
5162 to here.
5163
5ac169d4
DK		 51642010-01-20 Doug Kwan <dougkwan@google.com>
5165
5166 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
5167 Input_section_specifier to Section_id.
5168 (Target_arm::new_arm_input_section: Adjust code for change of key
5169 type.
5170 (Target_arm::find_arm_input_section): Ditto.
5171 * gc.h (object.h): Include for Section_id nand Section_id_hash.
5172 (Section_id): Remove.
5173 (Garbage_collection::Section_id_hash): Remove.
5174 * icf.h (object.h): Include for Section_id nand Section_id_hash.
5175 (Section_id): Remove.
5176 (Icf::Section_id_hash): Remove.
5177 * object.h (Section_id, Const_section_id, Section_id_hash,
5178 Const_section_id_hash): New type definitions.
5179 * output.cc (Output_section::add_relaxed_input_section): Change to
5180 use Const_section_id instead of Input_section_specifier as key type.
5181 (Output_section::add_merge_input_section): Ditto.
5182 (Output_section::build_relaxation_map): Change to use Section_id
5183 instead of Input_section_specifier as key type.
5184 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
5185 Ditto.
5186 (Output_section::convert_input_sections_to_relaxed_sections): Change
5187 to use Const_section_id instead of Input_section_specifier as key type.
5188 (Output_section::find_merge_section): Ditto.
5189 (Output_section::find_relaxed_input_section): Ditto.
5190 * output.h (Input_section_specifier): Remove class.
5191 (Output_section::Output_section_data_by_input_section_map): Change
5192 key type to Const_section_id.
5193 (Output_section::Output_relaxed_input_section_by_input_section_map):
5194 Ditto.
5195 (Output_section::Relaxation_map): Change key type to Section_id.
5196
a2162063
ILT		 51972010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5198
5199 * gold/arm.cc: Added support for R_ARM_V4BX relocation
5200 (class Arm_v4bx_stub): New class.
5201 (DEF_STUBS): Updated definition to support v4_veneer_bx.
5202 (Stub_factory::make_arm_v4bx_stub): New method.
5203 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
5204 (Stub_table::empty): Handle v4bx stubs.
5205 (Stub_table::add_arm_v4bx_stub): New method.
5206 (Stub_table::find_arm_v4bx_stub): New method.
5207 (Arm_relocate_functions::v4bx): New method.
5208 (Target_arm::fix_v4bx): New method.
5209 (Target_arm::Target_arm): Handle R_ARM_V4BX.
5210 (Stub_table::relocate_stubs): Likewise.
5211 (Stub_table::do_write): Likewise.
5212 (Stub_table::update_data_size_and_addralign): Likewise.
5213 (Stub_table::finalize_stubs): Likewise.
5214 (Target_arm::Scan::local): Likewise.
5215 (Target_arm::Scan::global): Likewise.
5216 (Target_arm::do_finalize_sections): Likewise.
5217 (Target_arm::Relocate::relocate): Likewise.
5218 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5219 Likewise.
5220 (Target_arm::scan_reloc_for_stub): Likewise.
5221 (Target_arm::scan_reloc_section_for_stubs): Likewise.
5222
5696ab0b
ILT		 52232010-01-19 Ian Lance Taylor <iant@google.com>
5224
5225 * output.cc (Output_section_headers::do_sized_write): Write large
5226 segment count to sh_info field.
5227 (Output_file_header::do_sized_write): For large segment count,
5228 write PN_XNUM to e_phnum field.
5229
800d0f56
ILT		 52302010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5231
5232 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
5233 (Arm_relocate_functions::thm_jump8): New function.
5234 (Arm_relocate_functions::thm_jump11): New function.
5235 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
5236 R_ARM_THM_JUMP11.
5237 (Target_arm::Scan::global): Likewise.
5238 (Target_arm::Relocate::relocate): Likewise.
5239 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5240 Likewise.
5241
41263c05
DK		 52422010-01-14 Doug Kwan <dougkwan@google.com>
5243
5244 * arm.cc (map, utility): Include headers.
5245 (Target_arm::apply_cortex_a8_workaround): New method.
5246 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
5247 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
5248 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
5249 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
5250 the --[no-]fix-cortex-a8 command line options.
5251 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
5252 (Target_arm::relocate_stub): Use addend in instruction template.
5253 * options.h (DEFINE_bool): Set the user-set flag.
5254 (General_options): Add --[no-]-fix-cortex options.
5255 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
e1df38aa 5256 : Update fast look-up map after conversion.
41263c05 5257
459e9b03
ST		 52582010-01-14 Sriraman Tallam <tmsriram@google.com>
5259
5260 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
5261 in the first pass of do_layout.
5262
b521dfe4
DK		 52632010-01-13 Doug Kwan <dougkwan@google.com>
5264
5265 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5266 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
5267 apparent compiler problem of not folding static constant integral
5268 data members of elfcpp::Elf_sizes<32>.
5269
44272192
DK		 52702010-01-13 Doug Kwan <dougkwan@google.com>
5271
5272 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
5273 Arm_relobj::section_needs_cortex_a8_stub_scanning,
5274 Arm_relobj::scan_section_for_cortex_a8_erratum,
5275 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
5276 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
5277 sections to scan for relocation stubs into a new method
5278 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
5279 relocation and Cortex-A8 stub scanning.
5280 (Target_arm::do_relax): Force stubs to be after stubbed sections
5281 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
e1df38aa 5282 the beginning of a new relaxation pass. Update a comment.
44272192
DK		 5283 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
5284
44b71ece
ILT		 52852010-01-12 Ian Lance Taylor <iant@google.com>
5286
5287 * target-reloc.h (visibility_error): New inline function.
5288 (relocate_section): Call visibility_error.
5289 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
5290 (MOSTLYCLEANFILES): Likewise.
5291 (protected_4_pic.o, protected_3.err): New targets.
5292 * testsuite/protected_4.cc: New file.
5293
a120bc7f
DK		 52942010-01-12 Doug Kwan <dougkwan@google.com>
5295
5296 * arm.cc (Cortex_a8_reloc): New class.
5297 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
5298 and cortex_a8_relocs_info_.
5299 (Target_arm::fix_cortex_a8): New method definition.
5300 (Target_arm::Cortex_a8_relocs_info): New type.
5301 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
5302 New data member declarations.
5303 (Target_arm::scan_reloc_for_stub): Record information about
5304 relocations for THUMB branches that might be exempted from the
5305 Cortex-A8 workaround.
5306 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
5307 at the beginning of a relaxation pass.
5308
20138696
DK		 53092010-01-12 Doug Kwan <dougkwan@google.com>
5310
5311 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
5312 (Arm_relobj::Mapping_symbol_position,
5313 Arm_reloj::Mapping_symbol_position_less,
5314 Arm_relobj::Mapping_symbols_info): New types.
5315 (Target_arm::is_mapping_symbol_name): New method definition.
5316 (Arm_relobj::do_count_local_symbols): Save information about mapping
5317 symbols.
5318
089d69dc
DK		 53192010-01-11 Doug Kwan <dougkwan@google.com>
5320
5321 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
5322 Arm_relocate_functions::thumb32_branch_upper,
5323 Arm_relocate_functions::thumb32_branch_lower,
5324 Arm_relocate_functions::thumb32_cond_branch_offset,
5325 Arm_relocate_functions::thumb32_cond_branch_upper,
5326 Arm_relocate_functions::thumb32_cond_branch_lower,
5327 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
5328 branch offset encoding.
5329 (Arm_relocate_functions::thumb_branch_common): Use new branch
5330 offset encoding methods to avoid code duplication.
5331 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
5332 (Stub_addend_reader::operator()): Use new branch encoding method
5333 to avoid code duplication.
5334
99e5bff2
DK		 53352010-01-11 Doug Kwan <dougkwan@google.com>
5336
5337 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
5338 (Target_arm::do_finalize_sections): Define special EXIDX section
5339 symbols only if referenced.
5340 * gc.h (Garbage_collection::add_reference): New method.
5341 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
5342 code duplication.
5343
98e090bd
ILT		 53442010-01-11 Ian Lance Taylor <iant@google.com>
5345
d0a91bd8
ILT		 5346 * script.cc (Version_script_info::build_expression_list_lookup):
5347 Change complaing about duplicate wildcard match from error to
5348 warning.
5349
98e090bd
ILT		 5350 * script.cc (class Lazy_demangler): Recreate--revert part of patch
5351 of 2009-12-30.
5352 (Version_script_info::Version_script_info): Initialize globs_,
5353 default_version_, default_is_global_, and exact_. Don't
5354 initialize globals_ or locals_.
5355 (Version_script_info::build_lookup_tables): Build local symbols
5356 first.
5357 (Version_script_info::unquote): New function.
5358 (Version_script_info::add_exact_match): New function.
5359 (Version_script_info::build_expression_list_lookup): Remove lookup
5360 parameter. Add is_global parameter. Change all callers. Handle
5361 wildcard pattern specially. Unquote pattern. Call
5362 add_exact_match.
5363 (Version_script_info::get_name_to_match): New function.
5364 (Version_script_info::get_symbol_version): New function.
5365 (Version_script_info::get_symbol_version_helper): Remove.
5366 (Version_script_info::check_unmatched_names): Call unquote.
5367 * script.h (class Version_script_info): Change get_symbol_version
5368 to be non-inline and add is_global parameter; change all callers.
5369 Rewrite symbol_is_local. Update declarations. Define struct
5370 Version_tree_match, Exact, Globs. Don't define struct Lookup.
5371 Remove globals_ and locals_ members. Add exact_, globs_,
5372 default_version_, is_global_.
5373 (Version_script_info::Glob): Remove pattern, add expression and
5374 is_global. Update constructor. Change all callers.
5375 * dynobj.cc (Versions::finalize): Mark the version symbol as the
5376 default version.
5377 (Versions::symbol_section_contents): If a symbol is undefined, or
5378 defined in a dynamic object, set the version index to
5379 VER_NDX_LOCAL.
5380 * symtab.cc (Symbol_table::add_from_relobj): Don't call
5381 symbol_is_local.
5382 (Symbol_table::add_from_pluginobj): Likewise.
5383 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
5384
d56962d3
DK		 53852010-01-11 Doug Kwan <dougkwan@google.com>
5386
5387 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
5388 (incremental_dump_LDADD): Add linking option for libintl.
5389 * Makefile.in: Regenerate.
5390
94e6ee91
L		 53912010-01-11 H.J. Lu <hongjiu.lu@intel.com>
5392
5393 PR gold/11144
5394 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
5395 instead of -Ds.
5396 * testsuite/Makefile.in: Regenerated.
5397
e96c574b
DK		 53982010-01-10 Doug Kwan <dougkwan@google.com>
5399
5400 * options.h (DEFINE_var): Use parentheses around argument varname__
5401 in macro body to avoid any unintended subsequent substitutions.
5402
7198066b
ILT		 54032010-01-10 Ian Lance Taylor <iant@google.com>
5404
ba4d53bf
ILT		 5405 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
5406 candidates before doing symbol resolution.
5407
7198066b
ILT		 5408 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
5409 ODR candidates if only one is weak.
5410
a2beed37
ILT		 54112010-01-08 Ian Lance Taylor <iant@google.com>
5412
5413 * script.cc (Version_script_info::build_expression_list_lookup):
5414 Don't warn about ambiguous version, just record the ambiguity.
5415 (Version_script_info::get_symbol_version_helper): Give error if
5416 version is ambiguous.
5417
2fb7225c
DK		 54182010-01-08 Doug Kwan <dougkwan@google.com>
5419
5420 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
5421 prev_data_size_ and prev_addralign_. Remove initializer for
5422 deleted data member has_been_changed_.
5423 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
5424 to determine if the table is empty.
5425 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
5426 Remove.
5427 (Stub_table::add_reloc_stub): Define method in class definition
5428 instead of just declaring it there.
5429 (Stub_table::add_cortex_a8_stub): New method definition.
5430 (Stub_table::update_data_size_and_addralign): Ditto.
5431 (Stub_table::finalize_stubs): Ditto.
5432 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
5433 (Stub_table::do_addralign_): Return address alignment in the
5434 (Stub_table::do_reset_address_and_file_offset): Define method in
5435 class definition instead of declaring it there. Set current data
5436 size to be the data size of the previous pass.
5437 (Stub_table::set_final_data_size): Use current data size as the
5438 final data size.
5439 (Stub_table::relocate_stub): Change parameter type of stub from
5440 Reloc_stub pointer to Stub pointer.
5441 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
5442 (Stub_table::Cortex_a8_stub_list): New typedef.
5443 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
5444 Stub_table::prev_addralign_): New data member.
5445 (Arm_relobj::Arm_relobj): Initialize data member
5446 section_has_cortex_a8_workaround_.
5447 (Arm_relobj::section_has_cortex_a8_workaround,
5448 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
5449 definitions.
5450 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
5451 declarations.
5452 (Target_arm::relocate_stub): Change parameter type of stub from
5453 Reloc_stub pointer to Stub pointer.
5454 (Insn_template::size, Insn_template::alignment): Handle
5455 THUMB16_SPECIAL_TYPE.
5456 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
5457 Stub_table::update_data_size_and_addralign,
5458 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
5459 definitions.
5460 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
5461 (Stub_table::do_write): Ditto.
5462 (Target_arm::do_relax): Adjust code for changes in Stub_table.
5463
880cd20d
ILT		 54642010-01-08 Ian Lance Taylor <iant@google.com>
5465
5466 PR 11108
5467 * symtab.h (class Symbol): Remove fields is_target_special_ and
5468 has_plt_offset_. Add field is_defined_in_discarded_section_.
5469 (Symbol::is_defined_in_discarded_section): New function.
5470 (Symbol::set_is_defined_in_discarded_section): New function.
5471 (Symbol::has_plt_offset): Rewrite.
5472 (Symbol::set_plt_offset): Verify that new offset is not -1U.
5473 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
5474 Don't initialize is_target_special_ or has_plt_offset_.
5475 Initialize is_defined_in_discarded_section_.
5476 (Symbol_table::add_from_relobj): If appropriate, set
5477 is_defined_in_discarded_section.
5478 * resolve.cc (Symbol::override_base_with_special): Don't test
5479 is_target_special_. Change has_plt_offset_ to has_plt_offset().
5480 * target-reloc.h (relocate_section): Do special handling for
5481 symbols defined in discarded sections for global symbols as well
5482 as local symbols.
5483
2703e3eb
ILT		 54842010-01-08 Ian Lance Taylor <iant@google.com>
5485
5486 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
5487 the SHT_SYMTAB case.
5488
339d40a3
ILT		 54892010-01-08 Ian Lance Taylor <iant@google.com>
5490
5491 * object.cc (Sized_relobj::do_layout): Don't get confused if
5492 layout_eh_frame returns NULL.
5493
abecea76
ILT		 54942010-01-08 Ian Lance Taylor <iant@google.com>
5495
5496 PR 11084
5497 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
5498 dynamic symbol table, use the normal symbol table.
5499 (Sized_dynobj::do_read_symbols): Remove assertion about type of
5500 symbol table.
5501
6b7dd3f3
ILT		 55022010-01-08 Ian Lance Taylor <iant@google.com>
5503
5504 PR 11072
5505 * layout.cc (Layout::include_section): Remove .gnu_debuglink
5506 sections.
5507
36c50e63
L		 55082010-01-08 H.J. Lu <hongjiu.lu@intel.com>
5509
5510 * version.cc (print_version): Change to "Copyright 2010".
5511
e291e7b9
ILT		 55122010-01-08 Ian Lance Taylor <iant@google.com>
5513
5514 PR 10287
5515 PR 11063
5516 * i386.cc (class Target_i386): Change return type of plt_section
5517 to be non-const.
5518 (class Output_data_plt_i386): Add tls_desc_rel_ field.
5519 (Output_data_plt_i386::Output_data_plt_i386): Initialize
5520 tls_desc_rel_ field.
5521 (Output_data_plt_i386::rel_tls_desc): New function.
5522 (Target_i386::rel_tls_desc_section): New function.
5523 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
5524 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
5525 R_386_TLS_DESC reloc in rel_tls_desc_section.
5526 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
5527 Define struct Tlsdesc_info.
5528 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
5529 (Target_x86_64::do_reloc_symbol_index): New function.
5530 (Target_x86_64::add_tlsdesc_info): New function.
5531 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
5532 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
5533 tlsdesc_rel_ field.
5534 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
5535 all callers.
5536 (Output_data_plt_x86_64::rela_tlsdesc): New function.
5537 (Target_x86_64::rela_tlsdesc_section): New function.
5538 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
5539 handling.
5540 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
5541 (Target_x86_64::do_reloc_addend): New function.
5542 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
5543 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
5544 declarations. Define TARGET_CODE. Add arg field to u1_ union.
5545 (Output_reloc::type): New function.
5546 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
5547 (Output_reloc::is_target_specific): New function.
5548 (Output_reloc::target_arg): New function.
5549 (class Output_reloc) [SHT_RELA]: Add four new constructors for
5550 absolute relocs and target specific relocs.
5551 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
5552 add_target_specific.
5553 (class Output_data_reloc) [SHT_RELA]: Likewise.
5554 * output.cc (Output_reloc::Output_reloc): Add four new versions
5555 for absolute relocs and target specific relocs.
5556 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
5557 (Output_reloc::get_symbol_index): Likewise.
5558 (Output_reloc::local_section_offset): Check that local_sym_index_
5559 is not TARGET_CODE or 0.
5560 (Output_reloc::symbol_value): Likewise.
5561 (Output_reloc::write) [SHT_RELA]: Call target for target specific
5562 reloc.
5563 * target.h (class Target): Add reloc_symbol_index and reloc_addend
5564 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
5565 functions.
5566 * layout.cc (add_target_dynamic_tags): Use output section for
5567 DT_PLTRELSZ and DT_JMPREL.
5568
3a44184e
ILT		 55692010-01-07 Ian Lance Taylor <iant@google.com>
5570
5571 PR 11061
5572 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
5573 function.
5574 (class Output_data_reloc_generic): Define.
5575 (class Output_data_reloc_base): Change base class to
5576 Output_data_reloc_generic. Change add() method to call
5577 bump_relative_reloc_count for a relative reloc. Remove
5578 sort_relocs_ field.
5579 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
5580 to sort_relocs().
5581 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
5582 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
5583 appropriate.
5584 * layout.h (class Layout): Update declaration.
5585
ea715a34
ILT		 55862010-01-07 Ian Lance Taylor <iant@google.com>
5587
5588 * output.h (class Output_data): Add const version of
5589 output_section and do_output_section.
5590 (class Output_section_data): Add const version of
5591 do_output_section.
5592 (class Output_section): Likewise.
5593 * layout.cc (Layout::add_target_dynamic_tags): New function.
5594 * layout.h (class Layout): Update declarations.
5595 * arm.cc (Target_arm::do_finalize_sections): Use
5596 add_target_dynamic_tags.
5597 * i386.cc (Target_i386::do_finalize_sections): Likewise.
5598 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
5599 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
5600 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
5601
659948a4
ILT		 56022010-01-07 Ian Lance Taylor <iant@google.com>
5603
5604 PR 11042
5605 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
5606 object as needed.
5607
9d3b86f6
ILT		 56082010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
5609 Ian Lance Taylor <iant@google.com>
5610
5611 PR 11019
5612 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
5613 Xindex::read_symtab_xindex.
5614
bb0d3eb0
DK		 56152010-01-07 Doug Kwan <dougkwan@google.com>
5616
5617 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
5618 (Insn_template::thumb16_bcond_insn): New method declaration.
5619 (Insn_template): Fix spelling.
5620 (Stub::thumb16_special): New method declaration.
5621 (Stub::do_write): Define virtual method which was previously pure
5622 virtual.
5623 (Stub::do_thumb16_special): New method declaration.
5624 (Stub::do_fixed_endian_write): New template member.
5625 (Reloc_stub::do_write): Remove.
5626 (Reloc_stub::do_fixed_endian_write): Remove.
5627 (Cortex_a8_stub): New class definition.
5628 (Stub_factory::make_cortex_a8_stub): New method definition.
5629 (Stub_factory::Stub_factory): Add missing static storage class
5630 qualifier for elf32_arm_stub_a8_veneer_blx.
5631
ffeef7df
ILT		 56322010-01-07 Ian Lance Taylor <iant@google.com>
5633
dc3f80fe
ILT		 5634 PR 10980
5635 * options.h (class General_options): Add --warn-unresolved-symbols
5636 and --error-unresolved-symbols.
5637 * errors.cc (Errors::undefined_symbol): Implement
5638 --warn-unresolved-symbols.
5639
ffeef7df
ILT		 5640 * options.h (class General_options): Add -z text and -z textoff.
5641 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
5642
f1ec9ded
ST		 56432010-01-06 Sriraman Tallam <tmsriram@google.com>
5644
5645 * gc.h (Garbage_collection::Cident_section_map): New typedef.
5646 (Garbage_collection::cident_sections): New function.
5647 (Garbage_collection::add_cident_section): New function.
5648 (Garbage_collection::cident_sections_): New member.
5649 (gc_process_relocs): Add references to sections whose names are C
5650 identifiers.
5651 * gold.h (cident_section_start_prefix): New constant.
5652 (cident_section_stop_prefix): New constant.
5653 (is_cident): New function.
5654 * layout.cc (Layout::define_section_symbols): Replace string constants
5655 with the newly defined constants.
5656 * object.cc (Sized_relobj::do_layout): Track sections whose names are
5657 C identifiers.
5658 * testsuite/Makefile.am: Add gc_orphan_section_test.
5659 * testsuite/Makefile.in: Regenerate.
5660 * testsuite/gc_orphan_section_test.cc: New file.
5661 * testsuite/gc_orphan_section_test.sh: New file.
5662
6eda8c29
ILT		 56632010-01-06 Ian Lance Taylor <iant@google.com>
5664
b9674e17
ILT		 5665 PR 10980
5666 * options.h (class General_options): Add --warn-shared-textrel.
5667 * layout.cc (Layout::finish_dynamic_section): Implement
5668 --warn-shared-textrel.
5669
6eda8c29
ILT		 5670 PR 10980
5671 * options.h (class General_options): Add --warn-multiple-gp.
5672
32dcd44e
ILT		 56732010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5674
5675 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
5676 $(THREADSLIB) and $(LIBDL).
5677 * Makefile.in: Rebuild.
5678
a192ba05
ILT		 56792010-01-06 Ian Lance Taylor <iant@google.com>
5680
5681 PR 10980
5682 * options.cc (General_options::parse_section_start): New function.
5683 (General_options::section_start): New function.
5684 (General_options::General_options): Initialize all members.
5685 * options.h: Include <map>
5686 (class General_options): Add --section-start. Add section_starts_
5687 member.
5688 * layout.cc (Layout::attach_allocated_section_to_segment): If
5689 --section-start was used, set the address of the segment. Remove
5690 local sort_sections.
5691 (Layout::relaxation_loop_body): If the address of the load segment
5692 has been set by --section-start, don't use it.
5693 * output.h (Output_segment::update_flags_for_output_section): New
5694 function.
5695 * output.cc (Output_segment::add_output_section): Call
5696 update_flags_for_output_section.
5697
dde3f402
ILT		 56982010-01-05 Ian Lance Taylor <iant@google.com>
5699
62dfdd4d
ILT		 5700 PR 10980
5701 * options.h (class General_options): Add --undefined-version.
5702 * script.cc (struct Version_expression): Add was_matched_by_symbol
5703 field.
5704 (Version_script_info::matched_symbol): New function.
5705 (Version_script_info::get_symbol_version_helper): Call
5706 matched_symbol.
5707 (Version_script_info::check_unmatched_names): New function.
5708 * script.h (class Version_script_info): Update declarations.
5709 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
5710
9c4ae156
ILT		 5711 * options.h (class General_options): Use DEFINE_bool_alias for
5712 allow_multiple_definition.
5713 * resolve.cc (Symbol_table::should_override): Don't test
5714 allow_multiple_definition.
5715
dde3f402
ILT		 5716 PR 10980
5717 * options.h (class General_options): Add --cref.
5718 * main.cc (main): Print cref table if --cref. Don't close mapfile
5719 until after printing cref table.
5720 * cref.cc: Include "symtab.h".
5721 (class Cref_inputs): Define Cref_table_compare and Cref_table.
5722 (Cref_table_compare::operator()): New function.
5723 (Cref_inputs::gather_cref): New function.
5724 (filecol): New static const.
5725 (Cref_inputs::print_cref): New function.
5726 (Cref::print_cref): New function.
5727 * cref.h: Include <cstdio>.
5728 (class Cref): Update declarations.
5729 * mapfile.h (Mapfile::file): New function.
5730 * object.h (class Object): Define Symbols. Declare virtual
5731 do_get_global_symbols.
5732 (Object::get_global_symbols): New function.
5733 * object.cc (Input_objects::add_object): Pass object to cref_ if
5734 --cref.
5735 (Input_objects::archive_start): Likewise.
5736 (Input_objects::archive_stop): Likewise.
5737 (Input_objects::print_cref): New function.
5738 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
5739 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
5740 --cref.
5741 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
5742 function.
5743 * plugin.h (class Sized_pluginobj): Update declarations.
5744
8781f709
ILT		 57452010-01-05 Ian Lance Taylor <iant@google.com>
5746
5747 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
5748 to is_default_version. Rename insdef to insdefault.
5749 (Symbol_table::add_from_relobj): Rename def to is_default_version
5750 and local to is_forced_local.
5751 (Symbol_table::add_from_pluginobj): Likewise.
5752 (Symbol_table::add_from_dynobj): Likewise.
5753 (Symbol_table::define_special_symbol): Rename insdef to
5754 insdefault.
5755
fe35d28d
ILT		 57562010-01-04 Ian Lance Taylor <iant@google.com>
5757
30bc8c46
ILT		 5758 PR 10980
5759 * options.h (class General_options): Add
5760 --allow-multiple-definition and -z muldefs.
5761 * resolve.cc (Symbol_table::should_override): Don't warn about a
5762 multiple symbol definition if --allow-multiple-definition or -z
5763 muldefs.
5764
7eaea549
ILT		 5765 PR 10980
5766 * options.h (class General_options): Add --add-needed and
5767 --copy-dt-needed-entries. Tweak --as-needed help entry.
5768 * object.cc (Input_objects::check_dynamic_dependencies): Give an
5769 error if --copy-dt-needed-entries aka --add-needed is used and
5770 would cause a change in behaviour.
5771
fe35d28d
ILT		 5772 PR 10980
5773 * options.h (class General_options): Add -G as a short version of
5774 --shared. Add no-op options -assert, -g, and -i.
5775
55a2bb35
ST		 57762010-01-04 Sriraman Tallam <tmsriram@google.com>
5777
5778 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
5779 check for .text or .gnu.linkonce.t sections.
5780 * icf.cc (Icf::find_identical_sections): Ditto.
5781 Change the detection for mangled function name within the section
5782 name.
5783 * icf.h (is_section_foldable_candidate): New function.
5784
719328e1
ILT		 57852009-12-30 Ian Lance Taylor <iant@google.com>
5786
5787 PR 10980
5788 * options.h (class General_options): Permit two dashes with
5789 --retain-symbols-file.
5790
d7bb5745
ILT		 57912009-12-30 Ian Lance Taylor <iant@google.com>
5792
403a15dd
ILT		 5793 PR 10979
5794 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
5795 don't put the file header and segment headers in the text
5796 segment.
5797
eda294df
ILT		 5798 PR 10979
5799 * common.cc (Sort_commons::operator()): Stabilize sort when both
5800 entries are NULL.
5801 (Symbol_table::do_allocate_commons_list): When allocating common
5802 symbols, skip a symbol which is no longer common.
5803 * symtab.h (Symbol::is_common): Test whether the symbol comes from
5804 an object before checking its type.
5805 * testsuite/common_test_2.c: New file.
5806 * testsuite/common_test_3.c: New file.
5807 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
5808 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
5809 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
5810 (common_test_2_pic.o, common_test_2.so): New targets.
5811 (common_test_3_pic.o, common_test_3.so): New targets.
5812 * testsuite/Makefile.in: Rebuild.
5813
d7bb5745
ILT		 5814 PR 10979
5815 * script.cc (read_input_script): If we see a new SECTIONS clause,
5816 and we have added an input section, give an error.
5817 * layout.h (class Layout): Add have_added_input_section function.
5818 Add have_added_input_section_ field.
5819 * layout.cc (Layout::Layout): Initialize
5820 have_added_input_section_.
5821 (Layout::layout): Set have_added_input_section_.
5822 (Layout::layout_eh_frame): Likewise.
5823
fc59c572
ILT		 58242009-12-30 Ian Lance Taylor <iant@google.com>
5825
5826 PR 10931
5827 * options.h (class General_options): Add --sort-common option.
5828 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
5829 * common.cc (Sort_common): Add sort_order parameter to
5830 constructor. Add sort_order_ field.
5831 (Sort_commons::operator): Check sort_order_.
5832 (Symbol_table::allocate_commons): Determine the sort order.
5833 (Symbol_table::do_allocate_commons): Add sort_order parameter.
5834 Change all callers.
5835 (Symbol_table::do_allocate_commons_list): Likewise.
5836
1c74fab0
ILT		 58372009-12-30 Ian Lance Taylor <iant@google.com>
5838
5839 PR 10916
5840 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
5841 symbols from this object, don't change the visibility of an
5842 undefined symbol.
5843 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
5844
6affe781
ILT		 58452009-12-30 Ian Lance Taylor <iant@google.com>
5846
5847 PR 10861
5848 * script.h (class Version_script_info): Define Language enum.
5849 Update declarations. Define Glob, Exact, and Lookup types. Add
5850 new fields globals_, locals_, and is_finalized_.
5851 * script.cc: Various formatting fixes.
5852 (class Parser_closure): Change language_stack_ from a vector of
5853 std::string to one of Version_script_info::Language. Adjust all
5854 uses accordingly.
5855 (class Lazy_demangler): Remove.
5856 (struct Version_expression): Change language from std::string to
5857 Version_script_info::Language.
5858 (Version_script_info::Version_script_info): New function.
5859 (Version_script_info::~Version_script_info): Don't call clear.
5860 (Version_script_info::finalize): New function.
5861 (Version_script_info::build_lookup_tables): New function.
5862 (Version_script_info::build_expression_list_lookup): New
5863 function.
5864 (Version_script_info::get_symbol_version_helper): Rewrite to use
5865 lookup tables.
5866 (Version_script_info::print_expression_list): Adjust to use
5867 Version_script_info::Language.
5868 (script_push_lex_into_version_mode): Check that the version script
5869 has not been finalized.
5870 (version_script_push_lang): Change language string to
5871 Version_script_info::Language.
5872 * options.cc (Command_line::version_script): New function.
5873 * options.h (class General_options): Add finalize_dynamic_list
5874 function. Change version_script from declaration to definition.
5875 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
5876 * testsuite/version_script.map: Remove duplicate def of foo.
5877 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
5878 version_script.map.
5879 * testsuite/Makefile.in: Rebuild.
5880
818bf354
ILT		 58812009-12-30 Ian Lance Taylor <iant@google.com>
5882
5883 PR 10843
5884 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
5885 if the input symbol index is 0, make the output symbol index 0.
5886
ebcc8304
ILT		 58872009-12-30 Ian Lance Taylor <iant@google.com>
5888
5889 PR 10670
5890 * options.h (class General_options): Add -x/--discard-all.
5891 * object.cc (Sized_relobj::do_count_local_symbols): Handle
5892 --discard-all. If the local symbol needs a dynamic entry, check
5893 that before handling --discard-locals.
5894
176fe33f
ILT		 58952009-12-30 Ian Lance Taylor <iant@google.com>
5896
bb321bb1
ILT		 5897 PR 10450
5898 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
5899 flags to PF_R.
5900 (Output_segment::add_output_section): Don't change the flags if
5901 the type is PT_TLS.
5902
176fe33f
ILT		 5903 PR 10450
5904 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
5905 GNU hash table if they need a dynamic value. Otherwise, don't add
5906 them if they are defined in a dynamic object or are forced local.
5907
e8cd95c7
ILT		 59082009-12-29 Ian Lance Taylor <iant@google.com>
5909
1b81fb71
ILT		 5910 PR 10450
5911 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
5912 .gnu.hash table for a 32-bit target.
5913
8d6d383d
ILT		 5914 PR 10450
5915 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
5916 regular and a dynamic object only needs a dynamic symbol table
5917 entry if it is externally visible.
5918
e785ec03
ILT		 5919 PR 10450
5920 * i386.cc (class Target_i386): Initialize global_offset_table_ in
5921 constructor. Add global_offset_table_ field.
5922 (Target_i386::got_section): Set global_offset_table_.
5923 (Target_i386::do_finalize_sections): Set global_offset_table_
5924 size.
5925 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
5926 in constructor. Add global_offset_table_ field.
5927 (Target_x86_64::got_section): Set global_offset_table_.
5928 (Target_x86_64::do_finalize_sections): Set global_offset_table_
5929 size.
5930
1a2dff53
ILT		 5931 * layout.cc (Layout::Layout): Initialize increase_relro_.
5932 (Layout::get_output_section): Add is_relro, is_last_relro, and
5933 is_first_non_relro parameters. Change all callers.
5934 (Layout::choose_output_section): Likewise.
5935 (Layout::add_output_section_data): Likewise.
5936 (Layout::make_output_section): Likewise.
5937 (Layout::set_segment_offsets): Clear increase_relro when using a
5938 linker script.
5939 * layout.h (class Layout): Add increase_relro method. Add
5940 increase_relro_ field. Update declarations.
5941 * output.cc (Output_section::Output_section): Initialize
5942 is_last_relro_ and is_first_non_relro_.
5943 (Output_segment::add_output_section): Group relro sections is
5944 do_sort is true. Handle is_last_relro and is_first_non_relro.
5945 (Output_segment::maximum_alignment): Remove relro handling.
5946 (Output_segment::set_section_addresses): Add increase_relro
5947 parameter. Change all callers. Add initial alignment to align
5948 relro sections on separate page. Remove old relro handling.
5949 (Output_segment::set_section_list_addresses): Remove in_relro
5950 parameter. Change all callers.
5951 (Output_segment::set_offset): Add increase parameter. Change all
5952 callers. Remove old relro handling.
5953 * output.h (class Output_section): Add new methods: is_last_relro,
5954 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
5955 Add is_last_relro_ and is_first_non_relro_ fields.
5956 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
5957 Create separate .got.plt section. Call increase_relro.
5958 * x86_64.cc (Target_x86_64::got_section): Likewise.
5959 * testsuite/relro_script_test.t: Add .got.plt.
5960
f0ba79e2
ILT		 5961 PR 10450
5962 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
5963 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
5964 (Layout::finalize): Call set_dynamic_symbol_size.
5965 (Layout::set_dynamic_symbol_size): New function.
5966 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
5967 set_dynamic_symbol_size.
5968
e8cd95c7
ILT		 5969 PR 10450
5970 * output.h (class Output_section): Add is_entsize_zero_ field.
5971 * output.cc (Output_section::Output_section): Initialize
5972 is_entsize_zero_.
5973 (Output_section::set_entsize): If two different entsizes are
5974 requested, force it to zero.
5975 (Output_section::add_input_section): Set flags for .debug_str
5976 before updating section flags. Set entsize.
5977 (Output_section::update_flags_for_input_section): Set SHF_MERGE
5978 and SHF_STRING if all input sections have those flags.
5979
3e1b9a8a
RÁE		 59802009-12-29 Rafael Espindola <espindola@google.com>
5981
5982 * main.cc (main): Fix the sys time reporting.
e8cd95c7
ILT		 5983 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
5984 reporting.
3e1b9a8a 5985
3dcad376
ST		 59862009-12-29 Sriraman Tallam <tmsriram@google.com>
5987
5988 * options.cc (General_options::parse_version): Allow -v to exit
5989 without an error if there is nothing to link.
5990
084e2665
ILT		 59912009-12-29 Ian Lance Taylor <iant@google.com>
5992
5993 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
5994 using a version of gcc before 4.1.
5995 * configure: Rebuild.
5996
250acde3
CD		 59972009-12-28 Chris Demetriou <cgd@google.com>
5998
5999 * attributes.cc (Output_attributes_section_data::do_write): Use
6000 std::vector::front rather than std::vector::data.
6001
99fff23b
ILT		 60022009-12-28 Ian Lance Taylor <iant@google.com>
6003
6004 * symtab.h (class Symbol_table): Add enum Defined.
6005 * resolve.cc (Symbol_table::should_override): Add defined
6006 parameter. Change all callers. Test whether object is NULL
6007 before calling a method on it.
6008 (Symbol_table::report_resolve_problem): Add defined parameter.
6009 Change all callers.
6010 (Symbol_table::should_override_with_special): Likewise.
6011 * symtab.cc (Symbol_table::define_in_output_data): Add defined
6012 parameter. Change all callers.
6013 (Symbol_table::do_define_in_output_data): Likewise.
6014 (Symbol_table::define_in_output_segment): Likewise.
6015 (Symbol_table::do_define_in_output_segment): Likewise.
6016 (Symbol_table::define_as_constant): Likewise.
6017 (Symbol_table::do_define_as_constant): Likewise.
6018 * script.h (class Symbol_assignment): Add is_defsym parameter to
6019 constructor; change all callers.
6020 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
6021 parameter. Change all callers. Add is_defsym_ field.
6022 (class Parser_closure): Add parsing_defsym parameter to
6023 constructor; change all callers. Add parsing_defsym accessor
6024 function. Add parsing_defsym_ field.
6025
556bd683
ILT		 60262009-12-28 Ian Lance Taylor <iant@google.com>
6027
6028 * gold.cc (queue_middle_tasks): Fix formatting.
fa618ee4 6029 * object.cc (Relobj::is_section_name_included): Likewise.
556bd683 6030
1782c879
ILT		 60312009-12-23 Ian Lance Taylor <iant@google.com>
6032
6033 * i386.cc (Target_i386::do_calls_non_split): Recognize
6034 -fsplit-stack prologue for a function with a static chain.
cbc999b9
ILT		 6035 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
6036 -fsplit-stack prologue when using %r11.
1782c879 6037
329ca2b1
ST		 60382009-12-21 Sriraman Tallam <tmsriram@google.com>
6039
6040 * options.cc (General_options::parse_version): Make -v continue and do
6041 the link like GNU ld does.
6042
d675ff46
RÁE		 60432009-12-17 Rafael Avila de Espindola <espindola@google.com>
6044
6045 * Makefile.am (CCFILES): Add timer.cc.
6046 (HFILES): Add timer.h.
6047 * configure.ac: Check for sysconf and times.
6048 * main.cc: include timer.h.
6049 (main): Use Timer instead of get_run_time.
6050 * timer.cc: New.
6051 * timer.h: New.
6052 * workqueue.cc: include timer.h.
6053 (Workqueue::find_and_run_task):
6054 Report user, sys and wall time.
6055 * Makefile.in: Regenerate.
6056 * config.in: Regenerate.
6057 * configure: Regenerate.
6058
d6344fb5
DK		 60592009-12-16 Doug Kwan <dougkwan@google.com>
6060
6061 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
6062 sections.
6063 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
6064 relaxed input sections.
6065 * output.cc (Output_section::find_relaxed_input_section): Change
6066 return type to Output_relaxed_input_section pointer. Adjust code
6067 for new type of relaxed_input_section_map_.
6068 * output.h (Output_section::find_relaxed_input_section): Change
6069 return type to Output_relaxed_input_section pointer.
6070 (Output_section::Output_relaxed_input_section_by_input_section_map):
6071 New type.
6072 (Output_section::relaxed_input_section_map_): Change type to
6073 Output_section::Output_relaxed_input_section_by_input_section_map.
6074 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
6075 input section.
6076
0e0d5469
ILT		 60772009-12-15 Ian Lance Taylor <iant@google.com>
6078
6079 * layout.cc (Layout::create_shstrtab): Only write out after input
6080 sections if we are compressing debug sections.
6081
0649a889
ILT		 60822009-12-15 Ian Lance Taylor <iant@google.com>
6083
6084 * archive.cc (Archive::add_symbols): Only look up a symbol without
6085 a version if there is, in fact, a version.
6086
2ea97941
ILT		 60872009-12-14 Ian Lance Taylor <iant@google.com>
6088
6089 Revert -Wshadow changes, all changes from:
6090 2009-12-11 Doug Kwan <dougkwan@google.com>
6091 2009-12-11 Nick Clifton <nickc@redhat.com>
6092 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
6093
b0eec2cc
DK		 60942009-12-11 Doug Kwan <dougkwan@google.com>
6095
6096 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
6097 due to -Wshadow.
6098 * attributes.cc (Object_attribute::size): Ditto.
6099 (Attributes_section_data::size): Ditto.
6100 (Attributes_section_data::Attributes_section_data): Ditto.
6101 (Output_attributes_section_data::do_write): Ditto.
6102 * attributes.h (Object_attribute::set_type): Ditto.
6103 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
6104
91d6fa6a
NC		 61052009-12-11 Nick Clifton <nickc@redhat.com>
6106
6107 * archive.cc: Fix shadowed variable warnings.
6108 * arm.cc: Likewise.
6109 * compressed_output.cc: Likewise.
6110 * compressed_output.h: Likewise.
6111 * configure: Likewise.
6112 * dwarf_reader.cc: Likewise.
6113 * dynobj.cc: Likewise.
6114 * dynobj.h: Likewise.
6115 * ehframe.cc: Likewise.
6116 * ehframe.h: Likewise.
6117 * errors.cc: Likewise.
6118 * expression.cc: Likewise.
6119 * fileread.cc: Likewise.
6120 * fileread.h: Likewise.
6121 * freebsd.h: Likewise.
6122 * i386.cc: Likewise.
6123 * icf.cc: Likewise.
6124 * incremental.h: Likewise.
6125 * layout.cc: Likewise.
6126 * layout.h: Likewise.
6127 * mapfile.cc: Likewise.
6128 * merge.cc: Likewise.
6129 * merge.h: Likewise.
6130 * object.cc: Likewise.
6131 * object.h: Likewise.
6132 * options.h: Likewise.
6133 * output.cc: Likewise.
6134 * output.h: Likewise.
6135 * parameters.cc: Likewise.
6136 * plugin.cc: Likewise.
6137 * powerpc.cc: Likewise.
6138 * reduced_debug_output.cc: Likewise.
6139 * reduced_debug_output.h: Likewise.
6140 * reloc.cc: Likewise.
6141 * reloc.h: Likewise.
6142 * resolve.cc: Likewise.
6143 * script-sections.cc: Likewise.
6144 * script.cc: Likewise.
6145 * script.h: Likewise.
6146 * sparc.cc: Likewise.
6147 * symtab.cc: Likewise.
6148 * symtab.h: Likewise.
6149 * target-select.cc: Likewise.
6150 * target-select.h: Likewise.
6151 * token.h: Likewise.
6152 * workqueue.cc: Likewise.
6153 * workqueue.h: Likewise.
6154 * x86_64.cc: Likewise.
6155
a0351a69
DK		 61562009-12-10 Doug Kwan <dougkwan@google.com>
6157
6158 * arm.cc (attributes.h): New include.
6159 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
6160 (Arm_relobj::~Arm_relobj): Delete object pointed by
6161 attributes_section_data_.
6162 (Arm_relobj::attributes_section_data): New method definition.
6163 (Arm_relobj::attributes_section_data_): New data member declaration.
6164 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
6165 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
6166 attributes_section_data_.
6167 (Arm_dynobj::attributes_section_data): New method definition.
6168 (Arm_dynobj::attributes_section_data_): New data member declaration.
6169 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
6170 initialization value of may_use_blx_ to false.
6171 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
6172 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
6173 object attributes to compute results instead of hard-coding.
6174 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
6175 Target_arm::get_secondary_compatible_arch,
6176 Target_arm::set_secondary_compatible_arch
6177 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6178 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
6179 New method declarations.
6180 (Target_arm::get_aeabi_object_attribute): New method definition.
6181 (Target_arm::attributes_section_data_): New data member declaration.
6182 (read_arm_attributes_section): New template definition.
6183 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
6184 (Arm_dynobj::do_read_symbols): Ditto.
6185 (Target_arm::do_finalize_sections): Merge attributes sections from
6186 input. Check for BLX use after attributes section merging.
6187 Fix __exidx_start and __exidx_end visibility. Create an
6188 .ARM.attributes section if necessary.
6189 (Target_arm::get_secondary_compatible_arch,
6190 Target_arm::set_secondary_compatible_arch,
6191 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
6192 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
e1df38aa 6193 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
a0351a69
DK		 6194 New method definitions.
6195
b59befec
ILT		 61962009-12-09 Ian Lance Taylor <iant@google.com>
6197
6198 * plugin.cc (Plugin::load): Don't cast from void* to a function
6199 pointer.
6200
1276bc89
ILT		 62012009-12-09 Ian Lance Taylor <iant@google.com>
6202
6203 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
6204 information fields.
6205
2f2de248
L		 62062009-12-09 H.J. Lu <hongjiu.lu@intel.com>
6207
6208 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
6209 Replace two_file_shared_1.so with two_file_shared_2.so.
6210 * testsuite/Makefile.in: Regenerated.
6211
4f787271
DK		 62122009-12-08 Doug Kwan <dougkwan@google.com>
6213
6214 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
6215 (HFILES): Add attributes.h and int_encoding.h.
6216 * Makefile.in: Regenerate.
6217 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
6218 function definitions to int_encoding.cc
6219 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
6220 prototypes to int_encoding.h
6221 * reduced_debug_output.cc (int_encoding.h): New include.
6222 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
6223 function definitions to int_encoding.cc
6224 (insert_into_vector, read_from_pointer): Move template definitions to
6225 int_encoding.h
6226 * attributes.cc: New file.
6227 * attributes.h: New file.
6228 * int_encoding.cc: New file.
6229 * int_encoding.h: New file.
6230
20b52f1a
RÁE		 62312009-12-07 Rafael Avila de Espindola <espindola@google.com>
6232
6233 PR gold/11055
6234 * incremental-dump.cc (dump_incremental_inputs): New.
6235 (main): Use dump_incremental_inputs.
6236
53d7974c
L		 62372009-12-07 H.J. Lu <hongjiu.lu@intel.com>
6238
6239 PR gold/10893
6240 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
6241 checking elfcpp::STT_FUNC.
6242 (Target_i386::Relocate::relocate): Likewise.
6243 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
6244
6245 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
6246 symbols from shared libraries into normal FUNC symbols.
6247
6248 * symtab.h (Symbol): Add is_func and use it.
6249
05a352e6
DK		 62502009-12-05 Doug Kwan <dougkwan@google.com>
6251
6252 * arm.cc (Target_arm::arm_info): Initialize new fields
6253 attributes_section and attributes_vendor.
6254 * i386.cc (Target_i386::i386_info): Same.
6255 * object.cc (Sized_relobj::do_layout): Skip attribute section.
6256 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
6257 fields attributes_section and attributes_vendor.
53d7974c 6258 * sparc.cc (Target_sparc::sparc_info): Same.
05a352e6
DK		 6259 * target.h (Target::attributes_section, Target::attributes_vendor,
6260 Target::is_attributes_section, Target::attribute_arg_type,
6261 Target::attributes_order): New method definitions.
6262 (Target::Target_info::attributes_section,
6263 Target::Target_info::attributes_vendor): New fields.
6264 (Target::do_attribute_arg_type, Target::do_attributes_order): New
6265 virtual method definitions.
6266 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
6267 attributes_section and attributes_vendor.
6268 * testsuite/testfile.cc (Target_test::test_target_info): Same.
6269
f4e5969c
DK		 62702009-12-05 Doug Kwan <dougkwan@google.com>
6271
6272 * arm.cc: Update comments about interworking and stub generation.
6273 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
6274 considered as non-PIC.
6275 (Arm_relocate_functions::base_abs): Fix formatting.
6276 (Arm_relocate_functions::got_prel): Fix comment. Change interface
6277 of function to use GOT entry address instead of offset.
6278 (Target_arm::Scan::global): Issue an error if a symbol would need a
6279 PLT does not get one because it is untyped. Remove code to create
6280 dynamic symbols for relative branches.
6281 (Target_arm::Relocate::relocate: Use 0 instead of false since function
6282 takes unsigned integer instead of boolean.
6283
1abce4a6
L		 62842009-12-05 H.J. Lu <hongjiu.lu@intel.com>
6285
6286 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
6287 (two_file_test_LDADD): Likewise.
6288 (common_test_1_LDADD): Likewise.
6289 (exception_test_LDADD) Likewise.
6290 (weak_test_LDADD): Likewise.
6291 (many_sections_test_LDADD): Likewise.
6292 (initpri1_LDADD): Likewise.
6293 (script_test_1_LDADD): Likewise.
6294 (script_test_2_LDADD): Likewise.
6295 (justsyms_LDADD): Likewise.
6296 (binary_test_LDADD): Likewise.
6297 (large_LDADD): Likewise.
6298 * testsuite/Makefile.in: Regenerated.
6299
adcf2816 63002009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1abce4a6 6301
adcf2816
L		 6302 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
6303 (Symbol_table::override_with_special): Likewise.
6304 (Symbol_table::add_from_object): Likewise.
6305
28e67f5d
RÁE		 63062009-12-04 Rafael Avila de Espindola <espindola@google.com>
6307
6308 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6309 Don't set the data_offset twice.
6310
ae10a101
RÁE		 63112009-12-04 Rafael Avila de Espindola <espindola@google.com>
6312
6313 * testsuite/Makefile.in: Regenerate.
6314
f59f41f3
DK		 63152009-12-03 Doug Kwan <dougkwan@google.com>
6316
6317 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
6318 (Target_arm::do_finalize_sections): Add parameter for symbol table
6319 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
6320 * i386.cc (Target_i386::do_finalize_sections): Add an additional
6321 parameter for symbol table pointer.
6322 * layout.cc (Layout::finalize): Call Target::finalize_sections with
6323 an additional parameter for a pointer to symbol table.
6324 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
6325 parameter for a symbol table pointer.
6326 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
6327 * target.h (Target::finalize_sections, Target::do_finalize_sections):
6328 Ditto.
6329 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
6330 parameter for a symbol table pointer.
6331
ca55d848
RÁE		 63322009-12-03 Rafael Avila de Espindola <espindola@google.com>
6333
6334 * incremental.cc (Incremental_inputs_header)
6335 (Incremental_inputs_header_write, Incremental_inputs_entry)
6336 (Incremental_inputs_entry_write): Move ...
6337 * incremental.h (Incremental_inputs_header)
6338 (Incremental_inputs_header_write, Incremental_inputs_entry)
6339 (Incremental_inputs_entry_write): here.
6340
3aec4f9c
RÁE		 63412009-12-02 Rafael Avila de Espindola <espindola@google.com>
6342
6343 * incremental.cc (make_sized_incremental_binary): Set the target.
6344 Error if it is incompatible.
6345 * output.h (Output_file): Add filename method.
6346
9c0ae74d
RÁE		 63472009-12-02 Rafael Avila de Espindola <espindola@google.com>
6348
6349 * incremental.cc (Incremental_inputs_entry): Remove unused argument
6350 from the get_* methods.
6351
a45500ae
RÁE		 63522009-12-02 Rafael Avila de Espindola <espindola@google.com>
6353
6354 * incremental-dump.cc (main): Check that the offeset of a script is 0.
6355 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
6356 Write 0 for the data_offset of scripts.
6357
325e6408
RÁE		 63582009-12-02 Rafael Avila de Espindola <espindola@google.com>
6359
6360 * testsuite/Makefile.am: Add the incremental_test.sh test.
6361 * testsuite/incremental_test.sh: New.
6362 * testsuite/incremental_test_1.c: New.
6363 * testsuite/incremental_test_2.c: New.
6364
954c3e2e
RÁE		 63652009-12-01 Rafael Avila de Espindola <espindola@google.com>
6366
6367 * incremental-dump.cc (main): Fix typos.
6368
f8086623
RÁE		 63692009-11-27 Rafael Avila de Espindola <espindola@google.com>
6370
6371 PR gold/11025
6372 * incremental-dump.cc (main): Use llu to print 64 bit values.
6373
3b0dd6ac
L		 63742009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
6375 H.J. Lu <hongjiu.lu@intel.com>
6376
6377 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
6378 $(LIBDL).
6379 (incremental_dump_LDADD): Likewise.
6380 * Makefile.in: Regenerated.
6381
a6d1ef57 63822009-11-25 Doug Kwan <dougkwan@google.com>
e1df38aa 6383
a6d1ef57
DK		 6384 Revert:
6385
6386 2009-11-25 Doug Kwan <dougkwan@google.com>
6387
6388 * arm.cc (Target_arm::Target_arm): Move method definition
6389 outside of class definition. Add code to handle
6390 --target1-rel, --target1-abs and --target2= options.
6391 (Target_arm::get_reloc_reloc_type): Change method to be
6392 non-static and const.
6393 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
6394 New data member declaration.
6395 (Target_arm::Scan::local, Target_arm::Scan::global,
6396 Target_arm::Relocate::relocate,
6397 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
6398 Adjust call to Target_arm::get_real_reloc_type.
6399 (Target_arm::get_real_reloc_type): Use command line options
6400 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6401 * options.h (--target1-rel, --target1-abs, --target2): New
6402 ARM-only options.
6403
50aeb7d4
DK		 64042009-11-25 Doug Kwan <dougkwan@google.com>
6405
6406 * arm.cc (Target_arm::Target_arm): Move method definition outside of
6407 class definition. Add code to handle --target1-rel, --target1-abs
6408 and --target2= options.
6409 (Target_arm::get_reloc_reloc_type): Change method to be non-static
6410 and const.
6411 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
6412 member declaration.
6413 (Target_arm::Scan::local, Target_arm::Scan::global,
6414 Target_arm::Relocate::relocate,
6415 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
6416 call to Target_arm::get_real_reloc_type.
6417 (Target_arm::get_real_reloc_type): Use command line options to
6418 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
6419 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
6420 options.
6421
51938283
DK		 64222009-11-25 Doug Kwan <dougkwan@google.com>
6423
6424 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
6425 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
6426 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
6427 formatting.
6428 (Arm_relocate_functions::thm_call): Replace body with a call to
6429 Arm_relocate_functions::thumb_branch_common.
6430 (Arm_relocate_functions::thm_jump24,
6431 Arm_relocate_functions::thm_xpc22): New method definitions.
6432 (Arm_relocate_functions::thumb_branch_common): New method definition.
6433 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
6434 operator.
6435 (Target_arm::Relocate::relocate): Adjust call to thm_call.
6436 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
6437
e2b8f3c4
RÁE		 64382009-11-24 Rafael Avila de Espindola <espindola@google.com>
6439
6440 * Makefile.am: Build incremental-dump
6441 * Makefile.in: Regenerate.
6442 * incremental-dump.cc: New.
6443 * incremental.cc (Incremental_inputs_header_data,
6444 Incremental_inputs_entry_data): Move to incremental.h
6445 * incremental.h: (Incremental_inputs_header_data,
6446 Incremental_inputs_entry_data): Move from incremental.cc
6447
bcba9aec
RÁE		 64482009-11-24 Rafael Avila de Espindola <espindola@google.com>
6449
6450 * incremental.cc (Incremental_inputs_header,
6451 Incremental_inputs_header_write, Incremental_inputs_entry,
6452 Incremental_inputs_entry_write): Add a typedef with the data type.
6453
7c3afe08
RÁE		 64542009-11-24 Rafael Avila de Espindola <espindola@google.com>
6455
6456 * incremental.cc (Incremental_inputs_header,
6457 Incremental_inputs_header_write, Incremental_inputs_entry,
6458 Incremental_inputs_entry_write): Update comment about which
6459 type has the filed descriptions.
6460
d204b6e9
DK		 64612009-11-15 Doug Kwan <dougkwan@google.com>
6462
6463 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
6464 (Arm_relocate_functions::arm_branch_common): Change method defintion
6465 in class definition to a method declaration and update list of formal
6466 parameters.
6467 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
6468 Arm_relocation_functions::jump24): Adjust call to
6469 Arm_relocate_functions::arm_branch_common. Update list of formal
6470 parameters.
6471 (Arm_relocate_functions::xpc25): New method definition.
6472 (Arm_relocate_functions::arm_branch_common): Move method defintion
6473 out from class definition. Use stubs for mode-switching and extending
6474 branch ranges.
6475 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
6476 specially. Change code to enable use of stubs in ARM branches.
6477
43d12afe
DK		 64782009-11-10 Doug Kwan <dougkwan@google.com>
6479
6480 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
6481 in method declaration.
6482 (Target_arm::relocate_stub): New method declaration.
6483 (Target_arm::default_target): Change to return a pointer instead of
6484 a const reference.
6485 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
6486 Target_arm::default_target.
6487 (Arm_Relobj::do_relocate_sections): Remove options paramater in
6488 method definition.
6489 (Target_arm::relocate_section): Adjust view.
6490 (Target_arm::relocate_stub): New method definition.
6491
ac33a407
DK		 64922009-11-10 Doug Kwan <dougkwan@google.com>
6493
6494 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
6495 a format warning.
6496 * incremental.cc (open_incremental_binary): Initialized local
6497 variables to avoid warnings.
6498 * object.cc (make_elf_object): Ditto.
6499 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
6500 a format warning.
e1df38aa 6501
88ee28e9
L		 6502009-11-09 H.J. Lu <hongjiu.lu@intel.com>
6503
6504 PR gold/10930
6505 * testsuite/plugin_test.c: Include "config.h".
6506
2daedcd6
DK		 65072009-11-09 Doug Kwan <dougkwan@google.com>
6508
6509 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
6510 (arm_symbol_value): Remove.
6511 (Arm_relocate_functions::arm_branch_common,
6512 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
6513 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
6514 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
6515 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
6516 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
6517 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
6518 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
6519 Arm_relocate_functions::thm_mobw_abs_nc,
6520 Arm_relocate_functions::thm_mov_abs,
6521 Arm_relocate_functions::movw_prel_nc,
6522 Arm_relocate_functions::thm_movt_abs,
6523 Arm_relocate_functions::movt_prel,
6524 Arm_relocate_functions::thm_movw_prel_nc,
6525 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
6526 (Target_arm::Relocate::relocate): Only decompose address into two
6527 parts if relocation type uses the thumb-bit and pass the actual
6528 bit instead of a flag indicating that the thumb-bit is used. Adjust
6529 calls to methods in Arm_relocate_functions for this change.
6530
1276bc89 65312009-11-08 Ian Lance Taylor <iant@google.com>
3e4afc80
ILT		 6532
6533 PR 10925
6534 * reloc.cc: Instantiate
6535 Sized_relobj::initialize_input_to_output_maps and
6536 Sized_relobj:free_input_to_output_maps.
6537
e53ad1b5
ILT		 65382009-11-06 Ian Lance Taylor <iant@google.com>
6539
6540 PR 10876
6541 * defstd.cc (in_segment): Set only_if_ref true for "end".
6542
eb44217c
DK		 65432009-11-06 Doug Kwan <dougkwan@google.com>
6544
6545 * arm.cc (class Reloc_stub): Correct a comment.
6546 (Target_arm::Target_arm): Initialize arm_input_section_map_.
6547 (Target_arm::scan_section_for_stubs): New method declaration.
6548 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
6549 Change methods from private to protected.
6550 (Target_arm::do_may_relax): New method definition.
6551 (Target_arm::do_relax, Target_arm::group_sections,
6552 Target_arm::scan_reloc_for_stub,
6553 Target_arm::scan_reloc_section_for_stubs): New method declarations.
6554 (Target_arm::arm_input_section_map_): New data member declaration.
6555 (Target_arm::scan_reloc_for_stub,
6556 Target_arm::scan_reloc_section_for_stubs,
6557 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
6558 Target_arm::do_relax): New method definitions.
6559
5d329b7d
ILT		 65602009-11-06 Mikolaj Zalewski <mikolaj@google.com>
6561
6562 * configure.ac: Check for (struct stat)::st_mtim
6563 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
6564 * config.in: Regenerate.
6565 * configure: Regenerate.
6566
96a0d71b
ILT		 65672009-11-05 Ian Lance Taylor <iant@google.com>
6568
6569 PR 10910
6570 * output.cc (Output_segment::add_output_section): Add missing
6571 return statement.
6572
594c8e5e
ILT		 65732009-11-04 Ian Lance Taylor <iant@google.com>
6574
6575 PR 10880
6576 * object.h (class Object): Add is_needed and set_is_needed
6577 methods. Add is_needed_ field. Make bool fields into bitfields.
6578 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
6579 defined in a dynamic object and referenced by a regular object,
6580 set is_needed for the dynamic object.
6581 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
6582 if the file is marked with as_needed and it is not needed.
6583
22b127cc
ILT		 65842009-11-04 Ian Lance Taylor <iant@google.com>
6585
6586 PR 10887
6587 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
6588 tags if data is discarded by linker script.
6589 * i386.cc (Target_i386::do_finalize_sections): Likewise.
6590 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
6591 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
6592 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
6593
f5c870d2
ILT		 65942009-11-04 Ian Lance Taylor <iant@google.com>
6595
6596 * layout.cc (Layout::get_output_section): Add is_interp and
6597 is_dynamic_linker_section parameters. Change all callers.
6598 (Layout::choose_output_section): Likewise.
6599 (Layout::make_output_section): Likewise.
6600 (Layout::add_output_section_data): Add is_dynamic_linker_section
6601 parameter. Change all callers.
6602 * layout.h (class Layout): Update declarations.
6603 * output.h (class Output_section): Add is_interp, set_is_interp,
6604 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
6605 Add is_interp_, is_dynamic_linker_section_ fields. Change
6606 generate_code_fills_at_write_ to a bitfield.
6607 * output.cc (Output_section::Output_sections): Initialize new
6608 fields.
6609 (Output_segment::add_output_section): Add do_sort parameter.
6610 Change all callers.
6611
1ae4d23b
ILT		 66122009-11-03 Ian Lance Taylor <iant@google.com>
6613
6614 PR 10860
6615 * options.h (class General_options): Add --warn-common.
6616 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
6617 merging two common symbols.
6618 (Symbol_table::should_override): Handle --warn-common when merging
6619 a common symbol with a defined symbol. Use report_resolve_problem
6620 for multiple definitions.
6621 (Symbol_table::report_resolve_problem): New function.
6622 * symtab.h (class Symbol_table): Declare report_resolve_problem.
6623
55da9579
DK		 66242009-11-03 Doug Kwan <dougkwan@google.com>
6625
6626 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
6627 stub_factory_.
6628 (Target_arm::stub_factory): New method definition.
6629 (Target_arm::new_arm_input_section,
6630 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
6631 Target_arm::reloc_uses_thumb_bit): New method declarations.
e1df38aa 6632 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
55da9579
DK		 6633 New type definitions.
6634 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
6635 member declarations.
6636 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
6637 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
6638 New method definitions.
6639
37a9ac43
ILT		 66402009-11-03 Ian Lance Taylor <iant@google.com>
6641
6642 * options.h (class General_options): Add --warn_constructors.
6643
b3d6a3d4
ILT		 66442009-11-03 Ian Lance Taylor <iant@google.com>
6645
6646 PR 10893
6647 * defstd.cc (in_section): Add entries for __rel_iplt_start,
6648 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
6649
934b01dd
ILT		 66502009-11-03 Ian Lance Taylor <iant@google.com>
6651
6652 PR 10895
6653 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
6654 --msgid-bugs-address.
6655 (install-pdf): New target.
6656 (install-data_yes): Look up one directory to find mkinstalldirs.
6657
03c1939b
L		 66582009-11-03 H.J. Lu <hongjiu.lu@intel.com>
6659
6660 * po/Make-in (.po.gmo): Don't generate .gmo files in source
6661 tree.
6662
ebd95253
DK		 66632009-10-30 Doug Kwan <dougkwan@google.com>
6664
6665 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
6666
e9bbb538
DK		 66672009-10-30 Doug Kwan <dougkwan@google.com>
6668
6669 * arm.cc (Stub_addend_reader): New struct template definition
6670 and partial specializations.
6671 (Stub_addend_reader::operator()): New method definition for a
6672 partially specialized template.
6673
d5b40221
DK		 66742009-10-30 Doug Kwan <dougkwan@google.com>
6675
6676 * arm.cc (Arm_relobj::processor_specific_flags): New method
6677 definition.
6678 (Arm_relobj::do_read_symbols): New method declaration.
6679 (Arm_relobj::processor_specific_flags_): New data member declaration.
6680 (Arm_dynobj): New class definition.
6681 (Target_arm::do_finalize_sections): Add input_objects parameter.
6682 (Target_arm::do_adjust_elf_header): New method declaration.
6683 (Target_arm::are_eabi_versions_compatible,
6684 (Target_arm::merge_processor_specific_flags): New method declaration.
6685 (Target_arm::do_make_elf_object): New overloaded method definitions
6686 and declaration.
6687 (Arm_relobj::do_read_symbols): New method definition.
6688 (Arm_dynobj::do_read_symbols): Ditto.
6689 (Target_arm::do_finalize_sections): Add input_objects parameters.
6690 Merge processor-specific flags from all input objects.
6691 (Target_arm::are_eabi_versions_compatible,
6692 Target_arm::merge_processor_specific_flags,
6693 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
6694 New method definitions.
6695 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
6696 Input_objects pointer type parameter.
6697 * layout.cc (Layout::finalize): Pass input objects to target's.
6698 finalize_sections function.
6699 * output.cc (Output_file_header::do_sized_write): Set ELF file
6700 header's processor-specific flags.
6701 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
6702 Input_objects pointer type parameter.
6703 * sparc.cc (Target_sparc::do_finalize_sections): Same.
6704 * target.h (Input_objects): New forward class declaration.
6705 (Target::processor_specific_flags,
6706 Target::are_processor_specific_flags_sect): New method definitions.
6707 (Target::finalize_sections): Add input_objects parameter.
6708 (Target::Target): Initialize processor_specific_flags_ and
6709 are_processor_specific_flags_set_.
6710 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
6711 parameter.
6712 (Target::set_processor_specific_flags): New method definition.
6713 (Target::processor_specific_flags_,
6714 Target::are_processor_specific_flags_set_): New data member
6715 declarations.
6716 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
6717 Input_objects pointer type parameter.
6718
ebabffbd
DK		 67192009-10-30 Doug Kwan <dougkwan@google.com>
6720
6721 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
6722
ad0f2072
ILT		 67232009-10-28 Ian Lance Taylor <iant@google.com>
6724
6725 * object.h (class Relobj): Drop options parameter from
6726 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
6727 do_scan_relocs, do_relocate. Change all callers.
6728 (class Sized_relobj): Drop options parameters from
6729 do_gc_process_relocs, do_scan_relocs, do_relocate,
6730 do_relocate_sections, relocate_sections, emit_relocs_scan,
6731 emit_relocs_scan_reltype. Change all callers.
6732 (struct Relocate_info): Remove options field and all references to
6733 it.
6734 * reloc.h (class Read_relocs): Remove options constructor
6735 parameter and options_ field. Change all callers.
6736 (class Gc_process_relocs, class Scan_relocs): Likewise.
6737 (class Relocate_task): Likewise.
6738 * target-reloc.h (scan_relocs): Remove options parameter. Change
6739 all callers.
6740 (scan_relocatable_relocs): Likewise.
6741 * target.h (class Sized_target): Remove options parameter from
6742 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
6743 all callers.
6744 * gc.h (gc_process_relocs): Remove options parameter. Change all
6745 callers.
6746 * arm.cc: Update functions to remove options parameters.
6747 * i386.cc: Likewise.
6748 * powerpc.cc: Likewise.
6749 * sparc.cc: Likewise.
6750 * x86_64.cc: Likewise.
6751 * testsuite/testfile.cc: Likewise.
6752
8ffa3667
DK		 67532009-10-28 Doug Kwan <dougkwan@google.com>
6754
6755 * arm.cc (Arm_relobj): New class definition.
e1df38aa 6756 (Arm_relobj::scan_sections_for_stubs,
8ffa3667
DK		 6757 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
6758 New method definitions.
6759
40f36857
CC		 67602009-10-28 Cary Coutant <ccoutant@google.com>
6761
6762 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
6763 (Plugin::cleanup_done_): New member.
6764 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
6765 (Plugin_manager::cleanup_done_): Remove.
6766 (Plugin_manager::add_input_file): Edit error message.
6767 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
6768 (Plugin_manager::cleanup): Remove use of cleanup_done_.
6769
2c849493
ILT		 67702009-10-27 Mikolaj Zalewski <mikolajz@google.com>
6771
6772 * fileread.cc: (File_read::View::~View): Use the new
6773 data_ownership_ filed.
6774 (File_read::~File_read): Dispose the new whole_file_view_.
6775 (File_read::open): Mmap the whole file if needed.
6776 (File_read::open): Use whole_file_view_ instead of contents_.
6777 (File_read::find_view): Use whole_file_view_ if applicable.
6778 (File_read::do_read): Use whole_file_view_ instead of contents_.
6779 (File_read::make_view): Use whole_file_view_ instead of contents_,
6780 update File_read::View::View call.
6781 (File_read::find_or_make_view): Update File_read::View::View
6782 call.
6783 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
6784 remove contents_
6785 (File_read::View::Data_ownership): New enum.
6786 (File_read::View::View): Replace bool mapped_ with Data_ownership
6787 argument.
6788 (File_read::View::mapped_): Remove (replaced by data_ownership_).
6789 (File_read::View::data_ownership_): New field.
6790 (File_read::contents_): Remove (replaced by whole_file_view_).
6791 (File_read::whole_file_view_): New field.
6792 * options.h (class General_options): Add --keep-files-mapped.
6793
24998053
CC		 67942009-10-27 Cary Coutant <ccoutant@google.com>
6795
6796 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
6797 * testsuite/Makefile.am (plugin_test_5): New test case.
6798 * testsuite/Makefile.in: Regenerate.
6799
72adc4fa
DK		 68002009-10-25 Doug Kwan <dougkwan@google.com>
6801
6802 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
6803 from private to protected to allow access by child class.
6804 (Sized_relobj::do_relocate_sections): New method declaration.
6805 (Sized_relobj::relocate_sections): Virtualize.
e1df38aa 6806 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
72adc4fa
DK		 6807 Sized_relobj::relocate_sections. Instantiate template explicitly
6808 for different target sizes and endianity.
6809
07f508a2
DK		 68102009-10-24 Doug Kwan <dougkwan@google.com>
6811
6812 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
6813 (Arm_input_section::as_arm_input_section): New method.
6814 (Arm_output_section): New class definition.
6815 (Arm_output_section::create_stub_group,
6816 Arm_output_section::group_sections): New method definitions.
6817
10ad9fe5
DK		 68182009-10-22 Doug Kwan <dougkwan@google.com>
6819
6820 * arm.cc (Arm_input_section): New class definition.
6821 (Arm_input_section::init, Arm_input_section:do_write,
6822 Arm_input_section::set_final_data_size,
6823 Arm_input_section::do_reset_address_and_file_offset): New method
6824 definitions.
6825
56ee5e00
DK		 68262009-10-21 Doug Kwan <dougkwan@google.com>
6827
6828 * arm.cc (Stub_table, Arm_input_section): New forward class
6829 declarations.
6830 (Stub_table): New class defintion.
6831 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
6832 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
6833 New method definition.
6834
b569affa
DK		 68352009-10-21 Doug Kwan <dougkwan@google.com>
6836
6837 * arm.cc: Update copyright comments.
6838 (Target_arm): New forward class template declaration.
6839 (Arm_address): New type.
6840 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
6841 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
6842 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
6843 constants.
6844 (Insn_template): Same.
6845 (DEF_STUBS): New macro.
6846 (Stub_type): New enum type.
6847 (Stub_template): New class definition.
6848 (Stub): Same.
6849 (Reloc_stub): Same.
6850 (Stub_factory): Same.
6851 (Target_arm::Target_arm): Initialize may_use_blx_ and
6852 should_force_pic_veneer_.
6853 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
6854 Target_arm::should_force_pic_veneer,
6855 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
6856 Target_arm::using_thumb_only, Target_arm:;default_target): New
6857 method defintions.
6858 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
6859 New data member declarations.
6860 (Insn_template::size, Insn_template::alignment): New method defintions.
6861 (Stub_template::Stub_template): New method definition.
6862 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
6863 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
6864 (Stub_factory::Stub_factory): New method definition.
6865 * gold.h (string_hash): New template.
6866 * output.h (Input_section_specifier::hash_value): Use
6867 gold::string_hash.
6868 (Input_section_specifier::string_hash): Remove.
6869 * stringpool.cc (Stringpool_template::string_hash): Use
6870 gold::string_hash.
6871
6c172549
DK		 68722009-10-20 Doug Kwan <dougkwan@google.com>
6873
6874 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
6875 symbols of relaxed input sections.
6876 * output.h (Output_section::find_relaxed_input_section): Make
6877 method public.
6878
c5617f2f
DK		 68792009-10-16 Doug Kwan <dougkwan@google.com>
6880
6881 * dynobj.cc (Versions::Versions): Initialize version_script_.
6882 Only insert base version symbol definition for a shared object
6883 if version script defines any version versions.
6884 (Versions::define_base_version): New method definition.
6885 (Versions::add_def): Check that base version is not needed.
6886 (Versions::add_need): Define base version lazily.
6887 * dynobj.h (Versions::define_base_version): New method declaration.
6888 (Versions::needs_base_version_): New data member declaration.
6889 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
6890 (check_DATA): Add no_version_test.stdout.
6891 (libno_version_test.so, no_version_test.o no_version_test.stdout):
6892 New make rules.
6893 * testsuite/Makefile.in: Regenerate.
6894 * testsuite/no_version_test.c: New file.
6895 * testsuite/no_version_test.sh: Ditto.
6896
3c12dcdb
DK		 68972009-10-16 Doug Kwan <dougkwan@google.com>
6898
6899 * expression.cc (class Segment_start_expression): New class definition.
6900 (Segment_start_expression::value): New method definition.
6901 (script_exp_function_segment_start): Return a new
6902 Segment_start_expression.
6903 * gold/script-c.h (script_saw_segment_start_expression): New function
6904 prototype.
6905 * script-sections.cc (Script_sections::Script_sections): Initialize
6906 SAW_SEGMENT_START_EXPRESSION_ to false.
6907 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
6908 and -Tbbs options to specify section addresses if given in
6909 command line and no SEGMENT_START expression is seen in a script.
6910 * script-sections.h (Script_sections::saw_segment_start_expression,
6911 Script_sections::set_saw_segment_start_expression): New method
6912 definition.
6913 (Script_sections::saw_segment_start_expression_): New data member
6914 declaration.
6915 * script.cc (script_saw_segment_start_expression): New function.
6916 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
6917 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
6918 script_test_7.sh and script_test_8.sh.
6919 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
6920 script_test_8.stdout.
6921 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
6922 (script_test_6, script_test_6.stdout, script_test_7,
6923 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
6924 * Makefile.in: Regenerate.
6925 * testsuite/script_test_6.sh: New file.
6926 * testsuite/script_test_6.t: Same.
6927 * testsuite/script_test_7.sh: Same.
6928 * testsuite/script_test_7.t: Same.
6929 * testsuite/script_test_8.sh: Same.
6930
64b1ae37
DK		 69312009-10-16 Doug Kwan <dougkwan@google.com>
6932
6933 * output.cc (Output_segment::set_section_list_address): Cast
6934 expressions to unsigned long long type to avoid format warnings.
6935
661be1e2
ILT		 69362009-10-15 Ian Lance Taylor <iant@google.com>
6937
12edd763 6938 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 6939 dot assignment to script_sections_.
12edd763
ILT		 6940 * script-sections.cc (Script_sections::add_dot_assignment):
6941 Initialize if necessary.
6942
68b6574b
ILT		 6943 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
6944 program headers with no load segment if there is a linker script.
6945
661be1e2
ILT		 6946 * layout.cc (Layout::set_segment_offsets): Align the file offset
6947 to the segment aligment for -N or -n with no load segment.
6948 * output.cc (Output_segment::add_output_section): Don't crash if
6949 the first section is a TLS section.
6950 (Output_segment::set_section_list_addresses): Print an error
6951 message if the address moves backward in a linker script.
6952 * script-sections.cc
6953 (Output_section_element_input::set_section_addresses): Don't
6954 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
6955 (Orphan_output_section::set_section_addresses): Likewise.
6956
f15f61a7
DK		 69572009-10-15 Doug Kwan <dougkwan@google.com>
6958
6959 * layout.cc (Layout::finish_dynamic_section): Generate tags
6960 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
6961 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
6962 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
6963
82bb573a
ILT		 69642009-10-14 Ian Lance Taylor <iant@google.com>
6965
6966 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
6967 fields.
6968 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
6969 data_shdr fields of relinfo.
6970 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
6971 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
6972 R_386_TLS_LDO_32, adjust based on section flags.
6973 (Target_i386::Relocate::fix_up_ldo): Remove.
6974
374ad285
ILT		 69752009-10-13 Ian Lance Taylor <iant@google.com>
6976
6977 Add support for -pie.
6978 * options.h (class General_options): Add -pie and
6979 --pic-executable.
6980 (General_options::output_is_position_independent): Test -pie.
6981 (General_options::output_is_executable): Return true if not shared
6982 and not relocatable.
6983 (General_options::output_is_pie): Remove.
6984 * options.cc (General_options::finalize): Reject incompatible uses
6985 of -pie.
6986 * gold.cc (queue_middle_tasks): A -pie link is not static.
6987 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
6988 * symtab.cc (Symbol::final_value_is_known): Return false if
6989 output_is_position_independent.
6990 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
6991 output_is_position_independent.
6992 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
6993 output_is_position_independent.
6994 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
6995 output_is_position_independent.
6996 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
6997 two_file_pie_test.
6998 (basic_pie_test.o, basic_pie_test): New targets.
6999 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
7000 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
7001 (two_file_pie_test): New target.
7002 * testsuite/Makefile.in: Rebuild.
7003 * README: Remove note saying that -pie is not supported.
7004
c6585162
ILT		 70052009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
7006
7007 * options.h (class General_options): Add -init and -fini.
7008 * layout.cc (Layout::finish_dynamic_section): Emit
7009 given init and fini functions.
7010
032ce4e9
ST		 70112009-10-13 Sriraman Tallam <tmsriram@google.com>
7012
7013 * gc.h (gc_process_relocs): Check if icf is enabled using new
7014 function.
7015 * gold.cc (queue_initial_tasks): Likewise.
7016 (queue_middle_tasks): Likewise.
7017 * object.cc (do_layout): Likewise.
7018 * symtab.cc (is_section_folded): Likewise.
7019 * main.cc (main): Likewise.
7020 * reloc.cc (Read_relocs::run): Likewise.
7021 (Sized_relobj::do_scan_relocs): Likewise.
7022 * icf.cc (is_function_ctor_or_dtor): New function.
7023 (Icf::find_identical_sections): Check if function is ctor or dtor when
7024 safe icf is chosen.
7025 * options.h (General_options::icf): Change option to be an enum.
7026 (Icf_status): New enum.
7027 (icf_enabled): New method.
7028 (icf_safe_folding): New method.
7029 (set_icf_status): New method.
7030 (icf_status_): New variable.
7031 * (options.cc) (General_options::finalize): Set icf_status_.
7032 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
7033 icf_test and icf_keep_unique_test to use the --icf enum flag.
7034 * testsuite/icf_safe_test.sh: New file.
e1df38aa 7035 * testsuite/icf_safe_test.cc: New file.
032ce4e9 7036
f345227a
ST		 70372009-10-12 Sriraman Tallam <tmsriram@google.com>
7038
7039 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
7040 includes to gc.h and icf.h.
7041 * arm.cc: Include gc.h.
7042 * gold.cc: Likewise.
7043 * i386.cc: Likewise.
7044 * powerpc.cc: Likewise.
7045 * sparc.cc: Likewise.
7046 * x86_64.cc: Likewise.
7047 * gc.h: Include icf.h.
7048
1c7814ed
ILT		 70492009-10-11 Ian Lance Taylor <iant@google.com>
7050
7051 * plugin.cc: Include "gold.h" before other header files.
7052
ae3b5189
CD		 70532009-10-10 Chris Demetriou <cgd@google.com>
7054
7055 * options.h (Input_file_argument::Input_file_type): New enum.
7056 (Input_file_argument::is_lib_): Replace with...
7057 (Input_file_argument::type_): New member.
7058 (Input_file_argument::Input_file_argument): Take Input_file_type
7059 'type' rather than boolean 'is_lib' as second argument.
7060 (Input_file_argument::is_lib): Use type_.
7061 (Input_file_argument::is_searched_file): New function.
7062 (Input_file_argument::may_need_search): Handle is_searched_file.
7063 * options.cc (General_options::parse_library): Support -l:filename.
7064 (General_options::parse_just_symbols): Update for Input_file_argument
7065 changes.
7066 (Command_line::process): Likewise.
7067 * archive.cc (Archive::get_file_and_offset): Likewise.
7068 * plugin.cc (Plugin_manager::release_input_file): Likewise.
7069 * script.cc (read_script_file, script_add_file): Likewise.
7070 * fileread.cc (Input_file::Input_file): Likewise.
7071 (Input_file::will_search_for): Handle is_searched_file.
7072 (Input_file::open): Likewise.
7073 * readsyms.cc (Read_symbols::get_name): Likewise.
7074 * testsuite/Makefile.am (searched_file_test): New test.
7075 * testsuite/Makefile.in: Regenerate.
7076 * testsuite/searched_file_test.cc: New file.
7077 * testsuite/searched_file_test_lib.cc: New file.
7078
f3048a1d
ILT		 70792009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7080 Ian Lance Taylor <iant@google.com>
7081
7082 * descriptor.cc: Include <cstdio> and "binary-io.h".
7083 (Descriptors::open): Open the files in binary mode always.
7084 * script.cc (Lex::get_token): Treat \r as whitespace.
7085
d4780e57
ILT		 70862009-10-09 Ian Lance Taylor <iant@google.com>
7087
7088 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
7089
d9a893b8
ILT		 70902009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7091 Ian Lance Taylor <iant@google.com>
7092
7093 * configure.ac: Check for readv function also.
7094 * fileread.cc (readv): Define if not HAVE_READV.
7095 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
7096 does not exist.
7097 * config.in: Regenerate.
7098 * configure: Regenerate.
7099
c0a62865
DK		 71002009-10-09 Doug Kwan <dougkwan@google.com>
7101
7102 * layout.cc (Layout::make_output_section): Call target hook to make
7103 ordinary output section.
7104 (Layout::finalize): Adjust parameter list of call the
7105 Target::may_relax().
7106 * layout.h (class Layout::section_list): New method.
7107 * merge.h (Output_merge_base::entsize): Change visibility to public.
7108 (Output_merge_base::is_string, Output_merge_base::do_is_string):
7109 New methods.
7110 (Output_merge_string::do_is_string): New method.
7111 * object.cc (Sized_relobj::do_setup): renamed from
7112 Sized_relobj::set_up.
7113 * object.h (Sized_relobj::adjust_shndx,
7114 Sized_relobj::initializ_input_to_output_maps,
7115 Sized_relobj::free_input_to_output_maps): Change visibilities to
7116 protected.
7117 (Sized_relobj::setup): Virtualize.
7118 (Sized_relobj::do_setup): New method declaration.
7119 (Sized_relobj::invalidate_section_offset,
7120 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
7121 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
7122 * options.cc (parse_int): New function.
7123 * options.h (parse_int): New declaration.
7124 (DEFINE_int): New macro.
7125 (stub_group_size): New option.
7126 * output.cc (Output_section::Output_section): Initialize memebers
7127 merge_section_map_, merge_section_by_properties_map_,
7128 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
7129 (Output_section::add_input_section): Handled deferred code-fill
7130 generation and remove an old comment.
7131 (Output_section::add_relaxed_input_section): New method definition.
7132 (Output_section::add_merge_input_section): Use merge section by
7133 properties map to speed to search. Update merge section maps
7134 as appropriate.
7135 (Output_section::build_relaxation_map): New method definition.
7136 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
7137 Same.
7138 (Output_section::relax_input_section): Renamed to
7139 Output_section::convert_input_sections_to_relaxed_sections and change
7140 interface to take a vector of pointers to relaxed sections.
7141 (Output_section::find_merge_section,
7142 Output_section::find_relaxed_input_section): New method definitions.
7143 (Output_section::is_input_address_mapped,
7144 Output_section::output_offset, Output_section::output_address):
7145 Use output section data maps to speed up searching.
7146 (Output_section::find_starting_output_address): Add comments.
7147 (Output_section::do_write,
7148 Output_section::write_to_postprocessing_buffer): Do code-fill
7149 generation as appropriate.
7150 (Output_section::get_input_sections): Invalidate relaxed input section
7151 map.
7152 (Output_section::restore_states): Adjust type of checkpoint .
7153 Invalidate relaxed input section map.
7154 * output.h (Output_merge_base): New class declaration.
7155 (Input_section_specifier): New class defintion.
7156 (class Output_relaxed_input_section) Change base class to
7157 Output_section_data_build.
7158 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
7159 base class initializer.
7160 (Output_section::add_relaxed_input_section): New method declaration.
7161 (Output_section::Input_section): Change visibility to protected.
7162 (Output_section::Input_section::relobj,
7163 Output_section::Input_section::shndx): Handle relaxed input sections.
7164 Output_section::input_sections) Change visibility to protected. Also
7165 define overload to return a non-const pointer.
7166 (Output_section::Merge_section_properties): New class defintion.
7167 (Output_section::Merge_section_by_properties_map,
7168 Output_section::Output_section_data_by_input_section_map,
7169 Output_section::Relaxation_map): New types.
7170 (Output_section::relax_input_section): Rename method to
7171 Output_section::convert_input_sections_to_relaxed_sections and change
7172 interface to take a vector of relaxed section pointers.
7173 (Output_section::find_merge_section,
7174 Output_section::find_relaxed_input_section,
7175 Output_section::build_relaxation_map,
7176 Output_section::convert_input_sections_in_list_to_relaxed_sections):
7177 New method declarations.
7178 (Output_section::merge_section_map_
7179 Output_section::merge_section_by_properties_map_,
7180 Output_section::relaxed_input_section_map_,
7181 Output_section::is_relaxed_input_section_map_valid_,
7182 Output_section::generate_code_fills_at_write_): New data members.
7183 * script-sections.cc
7184 (Output_section_element_input::set_section_addresses): Call
7185 current_data_size and addralign methods of relaxed input sections.
7186 (Orphan_output_section::set_section_addresses): Call current_data_size
7187 and addralign methods of relaxed input sections.
7188 * symtab.cc (Symbol_table::compute_final_value): Extract template
7189 from the body of Symbol_table::sized_finalize_symbol.
7190 (Symbol_table::sized_finalized_symbol): Call
7191 Symbol_table::compute_final_value.
7192 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
7193 (Symbol_table::compute_final_value): New templated method declaration.
7194 * target.cc (Target::do_make_output_section): New method defintion.
7195 * target.h (Target::make_output_section): New method declaration.
7196 (Target::relax): Add more parameters for input objects, symbol table
7197 and layout. Adjust call to do_relax.
7198 (Target::do_make_output_section): New method declaration.
7199 (Target::do_relax): Add parameters for input objects, symbol table
7200 and layout.
7201
d446d6c4
ILT		 72022009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7203
7204 * pread.c: Include stdio.h.
7205
bc06c745
ILT		 72062009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7207
7208 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
7209 defined.
7210
75aea3d0
ILT		 72112009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
7212
7213 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
7214 Change read_shndx type to unsigned int.
7215 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7216 int.
7217 (Sized_dwarf_line_info::read_line_mappings): Likewise.
7218 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
7219 Change read_shndx type to unsigned int.
7220 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
7221 int.
7222 (Sized_dwarf_line_info::read_line_mappings): Likewise.
7223 * layout.cc (Layout::create_symtab_sections): Cast the result of
7224 local_symcount * symsize to off_t in the gold_assert.
7225
be8fcb75
ILT		 72262009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7227
7228 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
7229 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
7230 R_ARM_BASE_ABS.
7231 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
7232 (Arm_relocate_functions::thm_abs5): New function.
7233 (Arm_relocate_functions::abs12): New function.
7234 (Arm_relocate_functions::abs16): New function.
7235 (Arm_relocate_functions::base_abs): New function.
7236 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
7237 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
7238 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
7239 R_ARM_BASE_ABS.
7240 (Scan::global): Likewise.
7241 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
7242 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
7243 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
7244 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
7245 R_ARM_BASE_ABS.
7246
c2a122b6
ILT		 72472009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7248
7249 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
7250 (Arm_relocate_functions::movt_prel): New function.
7251 (Arm_relocate_functions::thm_movw_prel_nc): New function.
7252 (Arm_relocate_functions::thm_movt_prel): New function.
7253 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
7254 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
7255 (Scan::global, Relocate::relocate): Likewise.
7256 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7257
c4aa1e2d
ILT		 72582009-10-09 Mikolaj Zalewski <mikolajz@google.com>
7259
7260 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
7261 Incremental_checker.
7262 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
7263 unsigned int.
7264 (class Incremental_inputs_header): New class.
7265 (Incremental_inputs_header_writer): Edit comment.
7266 (Incremental_inputs_entry): New class.
7267 (Incremental_inputs_entry_writer): Edit comment.
7268 (Sized_incremental_binary::do_find_incremental_inputs_section):
7269 Add *strtab_shndx parameter, fill it.
7270 (Sized_incremental_binary::do_check_inputs): New method.
7271 (Incremental_checker::can_incrementally_link_output_file): Use
7272 Sized_incremental_binary::check_inputs.
7273 (Incremental_inputs::report_command_line): Save command line in
7274 command_line_.
7275 * incremental.h:
7276 (Incremental_binary::find_incremental_inputs_section): New
7277 method.
7278 (Incremental_binary::do_find_incremental_inputs_section): Add
7279 strtab_shndx parameter.
7280 (Incremental_binary::do_check_inputs): New pure virtual method.
7281 (Sized_incremental_binary::do_check_inputs): Declare.
7282 (Incremental_checker::Incremental_checker): Add incremental_inputs
7283 parameter, use it to initialize incremental_inputs_.
7284 (Incremental_checker::incremental_inputs_): New field.
7285 (Incremental_checker::command_line): New method.
7286 (Incremental_checker::inputs): New method.
7287 (Incremental_checker::command_line_): New field.
7288
c549a694
ILT		 72892009-10-09 Mikolaj Zalewski <mikolajz@google.com>
7290
7291 * incremental.cc: Include <cstdarg> and "target-select.h".
7292 (vexplain_no_incremental): New function.
7293 (explain_no_incremental): New function.
7294 (Incremental_binary::error): New method.
7295 (Sized_incremental_binary::do_find_incremental_inputs_section): New
7296 method.
7297 (make_sized_incremental_binary): New function.
7298 (open_incremental_binary): New function.
7299 (can_incrementally_link_file): Add checks if output is ELF and has
7300 inputs section.
7301 * incremental.h: Include "elfcpp_file.h" and "output.h".
7302 (Incremental_binary): New class.
7303 (Sized_incremental_binary): New class.
7304 (open_incremental_binary): Declare.
7305 * object.cc (is_elf_object): Use
7306 elfcpp::Elf_recognizer::is_elf_file.
7307 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
7308 * output.h (Output_file::filesize): New method.
7309
fd3c5f0b
ILT		 73102009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7311
7312 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
7313 New function.
7314 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
7315 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
7316 function.
7317 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
7318 function.
7319 (Arm_relocate_functions::movw_abs_nc): New function.
7320 (Arm_relocate_functions::movt_abs): New function.
7321 (Arm_relocate_functions::thm_movw_abs_nc): New function.
7322 (Arm_relocate_functions::thm_movt_abs): New function.
7323 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
7324 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
7325 (Scan::global): Likewise.
7326 (Relocate::relocate): Likewise.
7327 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7328
7f5309a5
ILT		 73292009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7330
7331 * arm.cc (Arm_relocate_functions::got_prel) New function.
7332 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
7333 (Relocate::relocate): Likewise.
7334 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
7335
364c7fa5
ILT		 73362009-10-06 Ian Lance Taylor <iant@google.com>
7337
7338 * options.h (class General_options): Define
7339 split_stack_adjust_size parameter.
7340 * object.h (class Object): Add uses_split_stack_ and
7341 has_no_split_stack_ fields. Add uses_split_stack and
7342 has_no_split_stack accessor functions. Declare
7343 handle_split_stack_section.
7344 (class Reloc_symbol_changes): Define.
7345 (class Sized_relobj): Define Function_offsets. Declare
7346 split_stack_adjust, split_stack_adjust_reltype, and
7347 find_functions.
7348 * object.cc (Object::handle_split_stack_section): New function.
7349 (Sized_relobj::do_layout): Call handle_split_stack_section.
7350 * dynobj.cc (Sized_dynobj::do_layout): Call
7351 handle_split_stack_section.
7352 * reloc.cc (Sized_relobj::relocate_sections): Call
7353 split_stack_adjust for executable sections in split_stack
7354 objects. Pass reloc_map to relocate_section.
7355 (Sized_relobj::split_stack_adjust): New function.
7356 (Sized_relobj::split_stack_adjust_reltype): New function.
7357 (Sized_relobj::find_functions): New function.
7358 * target-reloc.h: Include "object.h".
7359 (relocate_section): Add reloc_symbol_changes parameter. Change
7360 all callers.
7361 * target.h (class Target): Add calls_non_split method. Declare
7362 do_calls_non_split virtual method. Declare match_view and
7363 set_view_to_nop.
7364 * target.cc: Include "elfcpp.h".
7365 (Target::do_calls_non_split): New function.
7366 (Target::match_view): New function.
7367 (Target::set_view_to_nop): New function.
7368 * gold.cc (queue_middle_tasks): Give an error if mixing
7369 split-stack and non-split-stack objects with -r.
7370 * i386.cc (Target_i386::relocate_section): Add
7371 reloc_symbol_changes parameter.
7372 (Target_i386::do_calls_non_split): New function.
7373 * x86_64.cc (Target_x86_64::relocate_section): Add
7374 reloc_symbol_changes parameter.
7375 (Target_x86_64::do_calls_non_split): New function.
7376 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
7377 parameter.
7378 * powerpc.cc (Target_powerpc::relocate_section): Add
7379 reloc_symbol_changes parameter.
7380 * sparc.cc (Target_sparc::relocate_section): Add
7381 reloc_symbol_changes parameter.
7382 * configure.ac: Call AM_CONDITIONAL for the default target.
7383 * configure: Rebuild.
7384 * testsuite/Makefile.am (TEST_AS): New variable.
7385 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
7386 (check_DATA): Add split_i386 and split_x86_64 files.
7387 (SPLIT_DEFSYMS): Define.
7388 (split_i386_[1234n].o): New targets.
7389 (split_i386_[124]): New targets.
7390 (split_i386_[1234r].stdout): New targets.
7391 (split_x86_64_[1234n].o): New targets.
7392 (split_x86_64_[124]): New targets.
7393 (split_x86_64_[1234r].stdout): New targets.
7394 (MOSTLYCLEANFILES): Add new executables.
7395 * testsuite/split_i386.sh: New file.
7396 * testsuite/split_x86_64.sh: New file.
7397 * testsuite/split_i386_1.s: New file.
7398 * testsuite/split_i386_2.s: New file.
7399 * testsuite/split_i386_3.s: New file.
7400 * testsuite/split_i386_4.s: New file.
7401 * testsuite/split_i386_n.s: New file.
7402 * testsuite/split_x86_64_1.s: New file.
7403 * testsuite/split_x86_64_2.s: New file.
7404 * testsuite/split_x86_64_3.s: New file.
7405 * testsuite/split_x86_64_4.s: New file.
7406 * testsuite/split_x86_64_n.s: New file.
7407 * testsuite/testfile.cc (Target_test): Update relocation_section
7408 function.
7409 * testsuite/Makefile.in: Rebuild.
7410
e8a9fcda
ILT		 74112009-10-06 Ian Lance Taylor <iant@google.com>
7412
7413 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
7414 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
7415 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
7416 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
7417 the address on ldo_addrs_.
7418 (Target_i386::Relocate::fix_up_ldo): New function.
7419
e99daf92
ILT		 74202009-10-06 Rafael Espindola <espindola@google.com>
7421
7422 * plugin.cc (add_input_library): New.
7423 (Plugin::load): Add add_input_library to tv.
7424 (Plugin_manager::add_input_file): Add the is_lib argument.
7425 (add_input_file): Update call to Plugin_manager::add_input_file.
7426 (add_input_library): New.
7427 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
7428
966d4097
DK		 74292009-09-30 Doug Kwan <dougkwan@google.com>
7430
7431 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
7432 symbol and call Symbol::may_need_copy_reloc to determine if
7433 a copy reloc is needed.
7434 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
7435 nocopyreloc is given in command line.
7436 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
7437 given in command line.
7438 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
7439 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
7440 of the removed Target_i386::may_need_copy_reloc.
7441 * options.h (copyreloc): New option with default value false.
7442 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7443 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
7444 instead of the removed Target_powerpc::may_need_copy_reloc.
7445 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
7446 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
7447 instead of the removed Target_sparc::may_need_copy_reloc.
7448 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
7449 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
7450 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
7451 instead of the removed Target_x86_64::may_need_copy_reloc.
7452
029ba973
ILT		 74532009-09-30 Ian Lance Taylor <iant@google.com>
7454
7455 * object.h (class Object): Remove target_ field, and target,
7456 sized_target, and set_target methods.
7457 (Object::sized_target): Remove.
7458 (class Sized_relobj): Update declarations. Remove sized_target.
7459 * object.cc (Sized_relobj::setup): Remove target parameter.
7460 Change all callers.
7461 (Input_objects::add_object): Don't do anything with the target.
7462 (make_elf_sized_object): Add punconfigured parameter. Change all
7463 callers. Set or test parameter target.
7464 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
7465 Change all callers.
7466 * parameters.cc (Parameters::set_target): Change parameter type to
7467 be non-const.
7468 (Parameters::default_target): Remove.
7469 (set_parameters_target): Change parameter type to be non-const.
7470 (parameters_force_valid_target): New function.
7471 (parameters_clear_target): New function.
7472 * parameters.h (class Parameters): Update declarations. Remove
7473 default_target method. Add sized_target and clear_target
7474 methods. Change target_ to be non-const.
7475 (set_parameters_target): Update declaration.
7476 (parameters_force_valid_target): Declare.
7477 (parameters_clear_target): Declare.
7478 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
7479 as NULL if we aren't searching.
7480 (Add_symbols::run): Don't check for compatible target.
7481 * fileread.cc (Input_file::open_binary): Call
7482 parameters_force_valid_target.
7483 * gold.cc (queue_middle_tasks): Likewise.
7484 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
7485 set_target on object.
7486 * dynobj.h (class Sized_dynobj): Update declarations.
7487 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
7488 make_elf_object returns NULL.
7489 (Archive::include_member): Don't check whether object target is
7490 compatible.
7491 * output.cc (Output_section::add_input_section): Get target from
7492 parameters.
7493 (Output_section::relax_input_section): Likewise.
7494 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
7495 parameters.
7496 (Sized_relobj::do_scan_relocs): Likewise.
7497 (Sized_relobj::relocate_sections): Likewise.
7498 * resolve.cc (Symbol_table::resolve): Likewise.
7499 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
7500 parameter. Change all callers.
7501 (Symbol_table::add_from_object): Get target from parameters.
7502 (Symbol_table::add_from_relobj): Don't check object target.
7503 (Symbol_table::add_from_dynobj): Likewise.
7504 (Symbol_table::define_special_symbol): Get target from
7505 parameters.
7506 * symtab.h (class Symbol_table): Update declaration.
7507 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
7508 parameter. Change all callers. Clear parameter target.
7509 (Binary_test): Test target here.
7510 * testsuite/object_unittest.cc (gold_testsuite): Remove
7511 target_test_pointer parameter. Change all callers.
7512 (Object_test): Test target here.
7513
a6a22b83
ILT		 75142009-09-26 Ian Lance Taylor <iant@google.com>
7515
7516 * testsuite/initpri1.c: Don't try to use constructor priorities if
7517 compiling with gcc before 4.3.
7518
6a8f49fe
ILT		 75192009-09-22 Mikolaj Zalewski <mikolajz@google.com>
7520
7521 * testsuite/retain_symbols_file_test.sh (check_present): Change
7522 output file name to retain_symbols_file_test.stdout.
7523 (check_absent): Likewise.
7524
8c604651
CS		 75252009-09-18 Craig Silverstein <csilvers@google.com>
7526
7527 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
7528 * options.cc: Include <cerrno> and <fstream>.
7529 (General_options::finalize): Parse -retain-symbols-file tag.
7530 * options.h: New flag.
7531 (General_options): New method should_retain_symbol, new
7532 variable symbols_to_retain.
7533 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
7534 should_retain_symbol map.
7535 * testsuite/Makefile.am (retain_symbols_file_test): New test.
7536 * testsuite/Makefile.in: Regenerate.
7537 * testsuite/retain_symbols_file_test.sh: New file.
7538
ca58b19f
NC		 75392009-09-18 Nick Clifton <nickc@redhat.com>
7540
7541 * po/es.po: Updated Spanish translation.
7542
20e6d0d6
DK		 75432009-09-17 Doug Kwan <dougkwan@google.com>
7544
7545 * debug.h (DEBUG_RELAXATION): New constant.
7546 (DEBUG_ALL): Add DEBUG_RELAXATION.
7547 (debug_string_to_enum): Add relaxation debug option.
7548 * layout.cc
7549 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
7550 Layout::Relaxation_debug_check::read_sections,
7551 Layout::Relaxation_debug_check::read_sections): New method definitions.
7552 (Layout::Layout): Initialize data members
7553 record_output_section_data_from_scrips_,
7554 script_output_section_data_list_ and relaxation_debug_check_.
7555 (Layout::save_segments, Layout::restore_segments,
7556 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7557 Layout::relaxation_loop_body): New method definitions.
7558 (Layout::finalize): Support relaxation. Move section layout code to
7559 Layout::relaxation_loop_body.
7560 (Layout::set_asection_address_from_script): Move code for orphan
7561 section placement out.
7562 (Layout::place_orphan_sections_in_script): New method definition.
7563 * layout.h (Output_segment_headers, Output_file_header):
7564 New forward class declarations.
7565 (Layout::~Layout): Define.
7566 (Layout::new_output_section_data_from_script): New method definition.
7567 (Layout::place_orphan_sections_in_script): New method declaration.
7568 (Layout::Segment_states): New type declaration.
7569 (Layout::save_segments, Layout::restore_segments,
7570 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
7571 Layout::relaxation_loop_body): New method declarations.
7572 (Layout::Output_section_data_list): New type declaration.
7573 (Layout::Relaxation_debug_check): New class definition.
7574 (Layout::record_output_section_data_from_script_,
7575 Layout::script_output_section_data_list_, Layout::segment_states_,
7576 Layout::relaxation_debug_check_): New data members.
7577 * output.cc: (Output_section_headers::do_size): New method definition.
7578 (Output_section_headers::Output_section_headers): Move size
7579 computation to Output_section_headers::do_size.
7580 (Output_segment_headers::do_size): New method definition.
e1df38aa 7581 (Output_file_header::Output_file_header): Move size computation to
20e6d0d6
DK		 7582 Output_file_header::do_size and call it.
7583 (Output_file_header::do_size): New method definition.
7584 (Output_data_group::Output_data_group): Adjust call to
7585 Output_section_data.
7586 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
7587 (Output_symtab_xindex::do_write): Add array bound check.
7588 (Output_section::Input_section::print_to_mapfile): Handle
7589 RELAXED_INPUT_SECTION_CODE.
7590 (Output_section::Output_section): Initialize data member checkpoint_.
7591 (Output_section::~Output_section): Delete checkpoint object pointed
7592 by checkpoint_.
7593 (Output_section::add_input_section): Always add an Input_section if
7594 relaxing.
7595 (Output_section::add_merge_input_section): Add assert.
7596 (Output_section::relax_input_section): New method definition.
7597 (Output_section::set_final_data_size): Set load address to zero for
7598 an unallocated section.
7599 (Output_section::do_address_and_file_offset_have_reset_values):
7600 New method definition.
7601 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
7602 Handle relaxed input section.
7603 (Output_section::sort_attached_input_sections): Checkpoint input
7604 section list lazily.
7605 (Output_section::get_input_sections): Change type of input_sections to
7606 list of Simple_input_section pointers. Checkpoint input section list
7607 lazily. Also handle relaxed input sections.
7608 (Output_section::add_input_section_for_script): Take a reference to
7609 a Simple_input_section object instead of Relobj pointer and section
7610 index as parameter. Handle relaxed input sections.
7611 (Output_section::save_states, Output_section::restore_states): New
7612 method definitions.
7613 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
7614 (Output_data::is_data_size_fixed): New method definition.
7615 (Output_data::reset_addresss_and_file_offset): Do not reset data size
7616 if it is fixed.
7617 (Output_data::address_and_file_offset_have_reset_values): New method
7618 definition.
7619 (Output_data::do_address_and_file_offset_have_reset_values): New method
7620 definition.
7621 (Output_data::set_data_size): Check that data size is not fixed.
7622 (Output_data::fix_data_size): New method definition.
7623 (Output_data::is_data_size_fixed_): New data member.
7624 (Output_section_headers::set_final_data_size): New method definition.
7625 (Output_section_headers::do_size): New method declaration.
7626 (Output_segment_headers::set_final_data_size): New method definition.
7627 (Output_segment_headers::do_size): New method declaration.
7628 (Output_file_header::set_final_data_size)::New method definition.
7629 (Output_file_header::do_size)::New method declaration.
7630 (Output_section_data::Output_section_data): Add new parameter
7631 is_data_size_fixed and use it to fix data size.
7632 (Output_data_const::Output_data_const): Adjust call to base class
7633 constructor and fix data size.
7634 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
7635 base class constructor and fix data size.
7636 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
7637 base class constructor and fix data size.
7638 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
7639 class constructor and fix data size.
7640 (Output_data_group::set_final_data_size): New method definition.
7641 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
7642 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
7643 class constructor and fix data size.
7644 (Output_relaxed_input_section): New class definition.
7645 (Output_section::Simple_input_section): New class definition.
7646 (Output_section::get_input_sections): Adjust parameter list.
7647 (Output_section::add_input_section_for_script): Same.
7648 (Output_section::save_states, Output_section::restore_states,
7649 Output_section::do_address_and_file_offset_have_reset_values,
7650 (Output_section::Input_section::Input_section): Handle
7651 RELAXED_INPUT_SECTION_CODE. Add new overload for
7652 Output_relaxed_input_section.
7653 (Output_section::Input_section::is_input_section,
7654 Output_section::Input_section::set_output_section): Handle relaxed
7655 input section.
7656 (Output_section::Input_section::is_relaxed_input_section,
7657 Output_section::Input_section::output_section_data,
7658 Output_section::Input_section::relaxed_input_section): New method
7659 definitions.
7660 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
7661 value.
7662 (Output_section::Input_section::u1_): Update comments.
7663 (Output_section::Input_section::u2_): Add new union member poris.
7664 (Output_section::Checkpoint_output_section): New classs definition.
7665 (Output_section::relax_input_section): New method declaration.
7666 (Output_section::checkpoint_): New data member.
7667 (Output_segment): Update comments.
7668 (Output_segment::Output_segment): Un-privatize copy constructor.
7669 (Output_segment::operator=): Un-privatize.
7670 * script-sections.cc (Output_section_element::Input_section_list):
7671 Change element type to Output_section::Simple_input_section.
7672 (Output_section_element_dot_assignment::set_section_addresses):
7673 Register output section data for relaxation clean up.
7674 (Output_data_exression::Output_data_expression): Adjust call to base
7675 constructor to fix data size.
7676 (Output_section_element_data::set_section_addresses): Register
7677 Output_data_expression object for relaxation clean up.
7678 (struct Input_section_info): Replace Relobj pointer and section index
7679 pair with Output_section::Simple_input_section and Convert struct to a
7680 class.
7681 (Input_section_sorter::operator()): Adjust access to
e1df38aa 7682 Input_section_info data member to use accessors.
20e6d0d6
DK		 7683 (Output_section_element_input::set_section_addresses): Use layout
7684 parameter. Adjust code to use Output_section::Simple_input_section
7685 and Input_secction_info classes. Register filler for relaxation
7686 clean up.
7687 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
7688 and section index pair with Output_section::Simple_input_section
7689 class. Adjust code accordingly.
7690 (Phdrs_element::release_segment): New method definition.
7691 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
7692 segment list.
7693 (Script_sections::release_segments): New method definition.
7694 * gold/script-sections.h (Script_sections::release_segments): New
7695 method declaration.
7696 * gold/target.h (Target::may_relax, Target::relax,
7697 Target::do_may_relax, Target::do_relax): New method definitions.
7698
5e445df6
ILT		 76992009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
7700
7701 * arm.cc (has_signed_unsigned_overflow): New function.
7702 (Arm_relocate_functions::abs8): New function.
7703 (Target_arm::Scan::local): Handle R_ARM_ABS8.
7704 (Target_arm::Scan::global): Likewise.
7705 (Target_arm::relocate::relocate): Likewise.
7706 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
7707 Likewise.
7708
8c604651 77092009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 7710
7711 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
7712 * testsuite/Makefile.in: Regenerate.
7713
1e9cc1c2
NC		 77142009-09-11 Nick Clifton <nickc@redhat.com>
7715
7716 * po/gold.pot: Updated by the Translation project.
7717
6a89f575
CC		 77182009-09-08 Cary Coutant <ccoutant@google.com>
7719
7720 * output.cc (Output_file::open): Add execute permission to empty file.
7721 * testsuite/Makefile.am (permission_test): New test.
7722 * testsuite/Makefile.in: Regenerate.
7723
fdcac5af
ILT		 77242009-09-02 Ian Lance Taylor <iant@google.com>
7725
7726 * output.cc (Output_file::resize): Call map_no_anonymous rather
7727 than map.
7728
44453f85
ILT		 77292009-09-01 Mikolaj Zalewski <mikolajz@google.com>
7730
7731 * gold.cc: Include "incremental.h".
7732 (queue_initial_tasks): Call Incremental_checker methods.
7733 * incremental.cc: Include "output.h".
7734 (Incremental_checker::can_incrementally_link_output_file): New
7735 method.
7736 * incremental.h (Incremental_checker): New class.
7737
7738 * output.cc (Output_file::open_for_modification): New method.
7739 (Output_file::map_anonymous): Changed return type to bool. Record
7740 map in base_ field.
7741 (Output_file::map_no_anonymous): New method, broken out of map.
7742 (Output_file::map): Use map_no_anonymous and map_anonymous.
7743 * output.h (class Output_file): Update declarations.
7744
293c1386
CC		 77452009-08-24 Cary Coutant <ccoutant@google.com>
7746
7747 * options.h (Command_line::Pre_options): New class.
7748 (Command_line::pre_options): New member.
7749 * options.cc (gold::options::ready_to_register): New variable.
7750 (One_option::register_option): Do nothing if not registering options.
7751 Assert if same short option registered twice.
7752 (General_options::General_options): Turn off option registration when
7753 done constructing.
7754 (Command_line::Pre_options::Pre_options): New constructor.
7755
f773f3d2
CC		 77562009-08-24 Cary Coutant <ccoutant@google.com>
7757
06a73cfe
CC		 7758 * options.h (General_options::no_keep_memory): Remove incorrect
7759 short option.
f773f3d2 7760
a15af8e2
RW		 77612009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7762
7763 * Makefile.am (am__skiplex, am__skipyacc): New.
7764 * Makefile.in: Regenerate.
7765
c462b41b
RW		 77662009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7767
14ec8efd
RW		 7768 * Makefile.am (AM_CPPFLAGS): Renamed from ...
7769 (INCLUDES): ... this.
7770 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
7771 (AM_CPPFLAGS): Renamed from ...
7772 (INCLUDE): ... this.
7773 * Makefile.in, testsuite/Makefile.in: Regenerate.
7774
81ecdfbb
RW		 7775 * Makefile.in: Regenerate.
7776 * aclocal.m4: Likewise.
7777 * config.in: Likewise.
7778 * configure: Likewise.
7779 * testsuite/Makefile.in: Likewise.
7780
c462b41b
RW		 7781 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7782 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
7783 * Makefile.in: Regenerate.
7784 * testsuite/Makefile.in: Regenerate.
7785
2da73f13
CC		 77862009-08-19 Cary Coutant <ccoutant@google.com>
7787
7788 * resolve.cc (Symbol_table::resolve): Don't complain about defined
7789 symbols in shared libraries overridden by hidden or internal symbols
7790 in the main program.
7791
2db70501
CD		 77922009-08-19 Chris Demetriou <cgd@google.com>
7793
7794 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
7795 checking source file names in error messages.
7796
f733487b
DK		 77972009-08-18 Doug Kwan <dougkwan@google.com>
7798
7799 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
7800 an elcpp::Ehdr as parameter. Adjust call to set_target.
7801 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
7802 an elfcpp::Ehdr as parameter.
7803 * object.cc (Object::set_target): Remove the version that looks up
7804 a target and sets it.
7805 (Sized_relobj::setup): Take a Target object instead of
7806 an elfcpp::Ehdr as parameter. Adjust call to set_target.
7807 (make_elf_sized_object): Find target and ask target to
7808 make an ELF object.
7809 * object.h: (Object::set_target): Remove the version that looks up
7810 a target and sets it.
7811 (Sized_relobj::setup): Take a Target object instead of
7812 an elfcpp:Ehdr as parameter.
7813 * target.cc: Include dynobj.h.
7814 (Target::do_make_elf_object_implementation): New.
7815 (Target::do_make_elf_object): New.
7816 * target.h (Target::make_elf_object): New template declaration.
7817 (Target::do_make_elf_object): New method declarations.
7818 (Target::do_make_elf_object_implementation): New template declaration.
7819
cc70f101
ILT		 78202009-08-14 Ian Lance Taylor <iant@google.com>
7821
7822 * gold.h (FUNCTION_NAME): Define.
7823 (gold_unreachable): Use FUNCTION_NAME.
7824
ef5e0cb1
ST		 78252009-08-12 Sriraman Tallam <tmsriram@google.com>
7826
7827 * icf.cc (Icf::find_identical_sections): Issue a warning when a
7828 symbol in the --keep-unique list is not found.
7829
48c187ce
ST		 78302009-08-12 Sriraman Tallam <tmsriram@google.com>
7831
7832 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
7833 been maked as --keep-unique.
7834 (Icf::unfold_section): New function.
7835 * icf.h (Icf::unfold_section): New function.
7836 * options.h (General_options::keep_unique): New option.
7837 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
7838 * testsuite/Makefile.in: Regenerate.
7839 * testsuite/icf_keep_unique_test.sh: New file.
7840 * testsuite/icf_keep_unique_test.cc: New file.
7841
645afe0c
CC		 78422009-08-12 Cary Coutant <ccoutant@google.com>
7843
7844 PR 10471
7845 * resolve.cc (Symbol_table::resolve): Check for references from
7846 dynamic objects to hidden and internal symbols.
7847 * testsuite/Makefile.am (hidden_test.sh): New test.
7848 * testsuite/Makefile.in: Regenerate.
7849 * testsuite/hidden_test.sh: New script.
7850 * testsuite/hidden_test_1.c: New test source.
7851 * testsuite/hidden_test_main.c: New test source.
7852
11af873f
DK		 78532009-08-11 Doug Kwan <dougkwan@google.com>
7854
7855 * arm.cc: Update comments.
7856 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
7857 segment to locate the .ARM.exidx section if present.
7858
b9f7d72d
DK		 78592009-08-09 Doug Kwan <dougkwan@google.com>
7860
7861 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
7862 patch.
7863
ddd3c53c
ST		 78642009-08-07 Sriraman Tallam <tmsriram@google.com>
7865 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
7866 compiler warnings.
7867
27721062
ST		 78682009-08-06 Sriraman Tallam <tmsriram@google.com>
7869
7870 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
7871 valid tls_segment only for non-debug-section relocations.
7872 * testsuite/Makefile.am: Add gc_tls_test.
7873 * testsuite/Makefile.in: Regenerate.
7874 * testsuite/gc_tls_test.cc: New file.
7875 * testsuite/gc_tls_test.sh: New file.
7876
ef15dade 78772009-08-05 Sriraman Tallam <tmsriram@google.com>
e1df38aa 7878
ef15dade
ST		 7879 * icf.cc: New file.
7880 * icf.h: New file.
7881 * Makefile.am (CCFILES): Add icf.cc.
7882 (HFILES): Add icf.h
7883 * Makefile.in: Regenerate.
7884 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
7885 * gc.h (gc_process_relocs): Populate lists used by icf to contain
7886 section, symbol and addend information for the relocs.
7887 * gold.cc (queue_middle_tasks): Call identical code folding.
7888 * gold.h: Add defines for multimap.
7889 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
7890 to the call of finalize_local_symbols.
7891 * main.cc (main): Create object of class Icf.
7892 * object.cc (Sized_relobj::do_layout): Allow this function to be
7893 called twice during icf.
7894 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
7895 to sections marked as identical by icf.
7896 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
7897 when available.
7898 (Sized_relobj::do_section_entsize): New function.
7899 * object.h (Object::section_entsize): New function.
7900 (Object::do_section_entsize): New pure virtual function.
7901 (Relobj::finalize_local_symbols): Add new parameter.
7902 (Relobj::do_section_entsize): New function.
7903 * options.h (General_options::icf): New option.
7904 (General_options::icf_iterations): New option.
7905 (General_options::print_icf_sections): New option.
7906 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
7907 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
7908 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
7909 icf.
7910 * symtab.cc (Symbol_table::is_section_folded): New function.
7911 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
7912 to sections marked as identical by icf.
7913 * symtab.h (Symbol_table::set_icf): New function.
7914 (Symbol_table::icf): New function.
7915 (Symbol_table::is_section_folded): New function.
7916 (Symbol_table::icf_): New data member.
7917 * target-reloc.h (relocate_section): Ignore sections folded by icf.
7918 * testsuite/Makefile.am: Add commands to build icf_test.
7919 * testsuite/Makefile.in: Regenerate.
7920 * testsuite/icf_test.sh: New file.
7921 * testsuite/icf_test.cc: New file.
7922
c3b65ac4
CD		 79232009-07-24 Chris Demetriou <cgd@google.com>
7924
7925 * layout.cc (is_compressible_debug_section): Fix incorrect
7926 comment about compressed section names.
7927
1caf2c51
ILT		 79282009-07-20 Ian Lance Taylor <ian@airs.com>
7929
7930 PR 10419
7931 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
7932
1ef4d87f
ILT		 79332009-07-16 Ian Lance Taylor <iant@google.com>
7934
7935 PR 10400
7936 * layout.h: #include <map>.
7937 (class Kept_section): Change from struct to class. Add accessors
7938 and setters. Add section size to Comdat_group mapping. Change
7939 Comdat_group to std::map. Add is_comdat_ field. Add
7940 linkonce_size field in union.
7941 (class Layout): Update declaration of find_or_add_kept_section.
7942 Don't declare find_kept_object.
7943 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
7944 parameter. Add object, shndx, is_comdat, and is_group_name
7945 parameters. Change all callers. Adjust for new Kept_section.
7946 (Layout::find_kept_object): Remove.
7947 * object.cc (Sized_relobj::include_section_group): Update use of
7948 Kept_section. Rename secnum to shndx. Only record
7949 Kept_comdat_section if sections are the same size.
7950 (Sized_relobj::include_linkonce_section): Update use of
7951 Kept_section. Only record Kept_comdat_section if sections are the
7952 same size. Set size of linkonce section.
7953 (Sized_relobj::map_to_kept_section): Update call to
7954 get_kept_comdat_section.
7955 * object.h (class Sized_relobj): Rename fields in
7956 Kept_comdat_section to drop trailing underscores; change object
7957 field to Relobj*. Change Kept_comdat_section_table to store
7958 struct rather than pointer.
7959 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
7960 Add kept_object and kept_shndx parameters. Change all callers.
7961 (Sized_relobj::get_kept_comdat_section): Change return type to
7962 bool. Add kept_object and kept_shndx parameters. Change all
7963 callers.
7964 * plugin.cc (Pluginobj::include_comdat_group): Update call to
7965 Layout::find_or_add_kept_section.
7966
37c3b7b0
ILT		 79672009-07-09 Ian Lance Taylor <iant@google.com>
7968
7969 * merge.cc (Object_merge_map::initialize_input_to_output_map):
7970 Reserve space in the hash table.
7971
98fa85cb
ILT		 79722009-07-06 Mikolaj Zalewski <mikolajz@google.com>
7973
7974 * fileread.cc (File_read::get_mtime): New method.
7975 * fileread.h (Timespec): New structure.
7976 (File_read::get_mtime): New method.
7977 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
7978 Renamed from timestamp_nsec.
7979 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
7980 Elf_Xword.
e1df38aa 7981 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
98fa85cb 7982 timestamp_nsec.
e1df38aa 7983 (Incremental_inputs::report_archive): Save mtime; style fix.
98fa85cb
ILT		 7984 (Incremental_inputs::report_obejct): Save mtime; style fix.
7985 (Incremental_inputs::report_script): Save mtime; style fix.
7986 (Incremental_inputs::finalize_inputs): Style fix.
7987 (Incremental_inputs::finalize): Style fix.
7988 (Incremental_inputs::create_input_section_data): Store inputs
7989 mtime.
7990 * incremental.h (Incremental_inputs::report_script): Add mtime
7991 argument.
7992 (Incremental_inputs::Input_info::Input_info): Intialize only one
7993 union member.
7994 (Incremental_inputs::Input_info::archive): Move to nameless
7995 union.
7996 (Incremental_inputs::Input_info::obejct): Move to nameless union.
7997 (Incremental_inputs::Input_info::script): Move to nameless union.
7998 (Incremental_inputs::mtime): New field.
7999 * script.cc (read_input_script): Pass file mtime to
8000 Incremental_input.
8001 * script.h (Script_info::inputs): Style fix.
8002
c9d70757
ILT		 80032009-07-01 Ian Lance Taylor <ian@airs.com>
8004
8005 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
8006 instead of 32.
8007
9c547ec3
ILT		 80082009-06-24 Ian Lance Taylor <iant@google.com>
8009
8010 PR 10156
8011 * layout.cc (Layout::choose_output_section): If we find an
8012 existing section, update the flags.
8013 (Layout::create_notes): New function, broken out of
8014 Layout::finalize.
8015 (Layout::finalize): Don't create note sections.
8016 (Layout::create_note): Don't crash if linker script discards
8017 section.
8018 (Layout::create_gold_note): Likewise.
8019 (Layout::create_build_id): Likewise. Don't set
8020 after_input_sections on the section.
8021 (Layout::create_executable_stack_info): Remove target parameter.
8022 Change caller.
8023 * layout.h (class Layout): Declare create_notes. Update
8024 declaration of create_executable_stack_info.
8025 * gold.cc (queue_middle_tasks): Call create_notes.
8026 * output.cc (Output_section::update_flags_for_input_section): Move
8027 here from output.h. If SHF_ALLOC flag is newly set, mark address
8028 invalid.
8029 * output.h (Output_data::mark_address_invalid): New function.
8030 (class Output_section): Only declare, not define,
8031 update_flags_for_input_section. Remove set_flags.
8032
55458500
ILT		 80332009-06-24 Ian Lance Taylor <iant@google.com>
8034
8035 * script-sections.cc (Output_section_definition::
8036 set_section_addresses): Rename shadowing local load_address to
8037 laddr.
8038
1307d6cd
ILT		 80392009-06-24 Ian Lance Taylor <iant@google.com>
8040
8041 PR 10244
8042 * reloc.cc (relocate_sections): Skip empty relocation sections.
8043
ec3f783e
ILT		 80442009-06-23 Ian Lance Taylor <iant@google.com>
8045
8046 PR 10156
8047 * layout.cc (Layout::create_note): Use choose_output_section
8048 rather than make_output_section.
8049
459c9f1c
ILT		 80502009-06-23 Ian Lance Taylor <iant@google.com>
8051
8052 PR 10237
8053 * options.cc (General_options::parse_V): Set printed_version_.
8054 (General_options::General_options): Initialize printed_version_.
8055 * options.h (class General_options): Add printed_version_ field.
8056 * gold.cc (queue_initial_tasks): If there are no input files,
8057 don't give a fatal error if we printed the version information.
8058 (queue_middle_tasks): If using -r with a shared object, give a
8059 fatal error rather than an ordinary error.
8060
1518dc8f
ILT		 80612009-06-23 Ian Lance Taylor <iant@google.com>
8062
8063 PR 10219
8064 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
8065 (Layout::make_output_section): Set have_stabstr_section_ if we see
8066 a .stab*str section.
8067 (Layout::finalize): Call link_stabs_sections.
8068 (Layout::link_stabs_sections): New file.
8069 * layout.h (class Layout): Add have_stabstr_section_ field.
8070 Declare link_stabs_sections.
8071
3d857b98
DK		 80722009-06-23 Doug Kwan <dougkwan@google.com>
8073
8074 * Makefile.am (libgold_a_LIBADD): New.
8075 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
8076 * Makefile.in: Regenerate.
8077 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
8078 * configure: Regenerate.
8079 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
8080 * fileread.cc: Include sys/state.h
8081 * gold.h: Declare memmem and strndup if found missing.
8082 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
8083
0639a6f6
ILT		 80842009-06-23 Ian Lance Taylor <iant@google.com>
8085
8086 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
8087 * configure: Rebuild.
8088
8d63875c
ILT		 80892009-06-23 Ian Lance Taylor <iant@google.com>
8090
8091 PR 10147
8092 * object.cc (Object::section_contents): Don't try to get a view if
8093 the section has length zero.
8094 (Object::handle_gnu_warning_section): If the section is empty, use
8095 the name of the section as the warning.
8096
f7c8a183
ILT		 80972009-06-23 Ian Lance Taylor <iant@google.com>
8098
8099 PR 10133
8100 * stringpool.h (class Stringpool_template): Add optimize_ field.
8101 (Stringpool_template::set_optimize): New function.
8102 * stringpool.cc (Stringpool_template::Stringpool_template):
8103 Initialize optimize_ field.
8104 (Stringpool_template::set_string_offsets): Test local optimize
8105 fild rather than parameter.
8106 * layout.cc (Layout::Layout): Call set_optimize on the section
8107 name stringpool.
8108
e6a307ba
ILT		 81092009-06-22 Ian Lance Taylor <iant@google.com>
8110
8111 PR 10030
8112 * yyscript.y: Parse TARGET.
8113 * script.cc (script_set_target): New function.
8114 * script-c.h (script_set_target): Declare.
8115 * options.cc (General_options::string_to_object_format): Rename
8116 from string_to_object_format in anonymous namespace. Change
8117 callers.
8118 * options.h (class General_options): Declare
8119 string_to_object_format.
8120
3ee173de
ILT		 81212009-06-22 Ian Lance Taylor <iant@google.com>
8122
8123 * script-sections.cc (Script_sections::create_segments): Don't put
8124 program headers in a PT_LOAD segment if -n or -N.
8125
81262009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 8127
8128 PR 10141
8129 * options.h (class General_options): Add -z lazy and -z now. Sort
8130 -z options into alphabetical order.
8131 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
8132
cd6739a1 81332009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 8134
8135 * layout.cc (Layout::make_output_section): Call
8136 Target::new_output_section.
8137 (Layout::attach_allocated_section_to_segment): Put large section
8138 sections in a separate load segment with the large segment flag
8139 set.
8140 (Layout::segment_precedes): Sort large data segments after other
8141 load segments.
8142 (align_file_offset): New static function.
8143 (Layout::set_segment_offsets): Use align_file_offset.
8144 * output.h (class Output_section): Add is_small_section_ and
8145 is_large_section_ fields.
8146 (Output_section::is_small_section): New function.
8147 (Output_section::set_is_small_section): New function.
8148 (Output_section::is_large_section): New function.
8149 (Output_section::set_is_large_section): New function.
8150 (Output_section::is_large_data_section): New function.
8151 (class Output_segment): Add is_large_data_segment_ field.
8152 (Output_segment::is_large_data_segment): New function.
8153 (Output_segment::set_is_large_data_segment): New function.
8154 * output.cc (Output_section::Output_section): Initialize new
8155 fields.
8156 (Output_segment::Output_segment): Likewise.
8157 (Output_segment::add_output_section): Add assertion that large
8158 data sections always go in large data segments. Force small data
8159 sections to the end of the list of data sections. Force small BSS
8160 sections to the start of the list of BSS sections. For large BSS
8161 sections to the end of the list of BSS sections.
8162 * symtab.h (class Symbol): Declare is_common_shndx.
8163 (Symbol::is_defined): Check Symbol::is_common_shndx.
8164 (Symbol::is_common): Likewise.
8165 (class Symbol_table): Define enum Commons_section_type. Update
8166 declarations. Add small_commons_ and large_commons_ fields.
8167 * symtab.cc (Symbol::is_common_shndx): New function.
8168 (Symbol_table::Symbol_table): Initialize new fields.
8169 (Symbol_table::add_from_object): Put small and large common
8170 symbols in the right list.
8171 (Symbol_table::sized_finalized_symbol): Check
8172 Symbol::is_common_shndx.
8173 (Symbol_table::sized_write_globals): Likewise.
8174 * common.cc (Symbol_table::do_allocate_commons): Allocate new
8175 common symbol lists. Don't call do_allocate_commons_list if the
8176 list is empty.
8177 (Symbol_table::do_allocate_commons_list): Remove is_tls
8178 parameter. Add comons_section_type parameter. Change all
8179 callers. Handle small and large common symbols.
8180 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
8181 Symbol::is_common_shndx.
8182 * resolve.cc (symbol_to_bits): Likewise.
8183 * target.h (Target::small_common_shndx): New function.
8184 (Target::small_common_section_flags): New function.
8185 (Target::large_common_shndx): New function.
8186 (Target::large_common_section_flags): New function.
8187 (Target::new_output_section): New function.
8188 (Target::Target_info): Add small_common_shndx, large_common_shndx,
8189 small_common_section_flags, and large_common_section_flags
8190 fields.
8191 (Target::do_new_output_section): New virtual function.
8192 * arm.cc (Target_arm::arm_info): Initialize new fields.
8193 * i386.cc (Target_i386::i386_info): Likewise.
8194 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
8195 Likewise.
8196 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
8197 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8198 (Target_x86_64::do_new_output_section): New function.
8199 * configure.ac: Define conditional MCMODEL_MEDIUM.
8200 * testsuite/Makefile.am (check_PROGRAMS): Add large.
8201 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
8202 (large_LDFLAGS): Define.
8203 * testsuite/large.c: New file.
8204 * testsuite/testfile.cc (Target_test::test_target_info):
8205 Initialize new fields.
8206 * configure, testsuite/Makefile.in: Rebuild.
8207
bb04269c
DK		 82082009-06-05 Doug Kwan <dougkwan@google.com>
8209
8210 * Makefile.am (CCFILES): Add target.cc.
e1df38aa 8211 * Makefile.in: Regenerate.
bb04269c
DK		 8212 * i386.cc (class Target_i386): Define new virtual method to
8213 override do_is_local_label_name in parent.
8214 * object.cc (Sized_relobj::do_count_local_symbols): Discard
8215 local symbols if --discard-locals or -X is given.
8216 * options.h (class General_options): Declare new options
8217 '--discard-locals' and '-X' for discarding locals.
8218 * target.h (class Target): Define new methods is_local_label_name.
8219 Declare new virtual method do_is_local_label_name.
8220 * target.cc: New file.
8221 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
8222 (check_SCRIPTS): Add discard_locals_test.sh.
8223 (check_DATA): Add discard_local_tests.syms.
8224 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
8225 (discard_local_tests.syms, discard_locals_test.o): New make rules.
8226 * testsuite/Makefile.in: Regenerate.
8227 * testsuite/discard_locals_test.c: New file.
8228 * testsuite/discard_locals_test.sh: Same.
8229
805bb01c
DK		 82302009-06-05 Doug Kwan <dougkwan@google.com>
8231
8232 * object.cc (Sized_relobj::Sized_relobj): Initialize
8233 discarded_eh_frame_shndx_ to -1U.
8234 (Sized_relobj::do_layout): Record index of a discard .eh_frame
8235 section.
8236 (Sized_relobj::do_count_local_symbols): Skip local symbols in
8237 a discarded .eh_frame section.
8238 (Sized_relobj::do_finalize_local_symbols): Ditto.
8239 * object.h (class Sized_relobj): Declare new member
8240 discarded_eh_frame_shndx_.
8241 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
8242 (local_labels_test.o, local_labels_test): New rules.
8243 * testsuite/Makefile.in: Regenerate.
8244
1dcd334d
DK		 82452009-06-04 Doug Kwan <dougkwan@google.com>
8246
8247 * layout.cc (Layout::section_name_mapping): Add mapping for
8248 special ARM sections.
8249
96d49306
DK		 82502009-06-03 Doug Kwan <dougkwan@google.com>
8251
8252 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
8253 (utils::has_overflow): Same.
8254
dff16297
ILT		 82552009-06-03 Ian Lance Taylor <iant@google.com>
8256
8257 * layout.cc (Layout::section_name_mapping): New array, replacing
8258 Layout::linkonce_mapping.
8259 (Layout::section_name_mapping_count): New variable, replacing
8260 Layout::linkonce_mapping_count.
8261 (Layout::linkonce_output_name): Remove.
8262 (Layout::output_section_name): Rewrite.
8263 * layout.h (class Layout): Rename Linkonce_mapping to
8264 Section_name_mapping, linkonce_mapping to section_name_mapping,
8265 linkonce_mapping_count to section_name_mapping_count. Don't
8266 declare linkonce_output_name.
8267
c121c671
DK		 82682009-06-03 Doug Kwan <dougkwan@google.com>
8269
8270 * gold/arm.cc (namespace utils): New.
8271 (Target_arm::reloc_is_non_pic): Define new method.
8272 (class Arm_relocate_functions): New.
8273 (Target_arm::Relocate::relocate): Handle relocation types used by
8274 Android.
8275
07800fab
ILT		 82762009-06-03 Ian Lance Taylor <iant@google.com>
8277
8278 * arm.cc (Target_arm::scan::global): Use || instead of |.
8279
c121c671
DK		 82802009-06-02 Doug Kwan <dougkwan@google.com>
8281
8282 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
8283 issued_non_pic_error_.
8284 (class Target_arm::Scan): Declare new method check_non_pic.
8285 Define new method symbol_needs_plt_entry.
8286 Declare new data member issued_non_pic_error_.
8287 (class Target_arm::Relocate): Declare new method
8288 should_apply_static_reloc.
8289 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
8290 (Target_arm::Scan::check_non_pic): Define new method.
8291 (Target_arm::Scan::local): Handle a small subset of reloc types used
8292 by Android.
8293 (Target_arm::Scan::local): Same.
8294 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
8295
b19b0c6d
ILT		 82962009-05-31 Mikolaj Zalewski <mikolajz@google.com>
8297
8298 * incremental.cc (Incremental_inputs::report_command_line): Filter
8299 out --incremental-* options.
8300
94cdfcff
DK		 83012009-05-29 Doug Kwan <dougkwan@google.com>
8302
8303 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
8304 template class.
8305 (class Target_arm): Update comment.
8306 (Target_arm::Target_arm): Initialize new data members GOT_,
8307 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
8308 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
8309 and Target_arm::rel_dyn_section.
8310 Declare new_enum Target_arm::Got_type.
8311 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
8312 and DYNBSS_.
8313 Update commments for member do_dynsym_value.
8314 (Target_arm::got_size, Target_arm::plt_section,
8315 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
8316 new methods inside class defintion.
8317 (Target_arm::got_section): Define new method.
8318 (Target_arm::rel_dyn_section): Same.
8319 (Output_data_plt_arm): New template class.
8320 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
8321 (Output_data_plt_arm:do_adjust_output_section): Define new method.
8322 (Output_data_plt_arm::add_entry): Same.
8323 (Output_data_plt_arm::first_plt_entry): Define new
8324 static data member for PLT instruction template.
8325 (Output_data_plt_arm::plt_entry): Same.
8326 (Output_data_plt_arm::do_write): Define new method.
8327 (Target_arm::make_plt_entry): Same.
8328 (Target_arm::do_finalize_sections): Same.
8329 (Target_arm::do_dynsym_value): Same.
8330
4a657b0d
DK		 83312009-05-28 Doug Kwan <dougkwan@google.com>
8332
8333 * Makefile.am (TARGETSOURCES): Add arm.cc.
8334 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
8335 * Makefile.in: Regenerate.
8336 * arm.cc: New file.
8337 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
8338
e7ae8c36
DK		 83392009-05-26 Doug Kwan <dougkwan@google.com>
8340
8341 * options.cc (General_options::parse_exclude_libs). Fix a comment.
8342 (General_options::check_excluded_libs): Strip off directories in
8343 archive name before matching like GNU ld does.
8344 * testsuite/Makefile.am (MOSTLYCLEANFILES,
8345 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
8346 (exclude_libs_test_LDFLAGS): Add linker option
8347 -Wl,--exclude-libs,libexclude_libs_test_3
8348 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
8349 an explicit archive without using -l.
8350 (alt/libexclude_libs_test_3.a): New make rule.
8351 * testsuite/Makefile.in: Regenerate.
8352 * testsuite/exclude_libs_test.c : Declare lib3_default().
8353 (main): Call it.
8354 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
8355 * exclude_libs_test_3.c: New file.
8356
f12e7348
NC		 83572009-05-26 Nick Clifton <nickc@redhat.com>
8358
8359 * po/id.po: New Indonesian translation.
8360 * po/gold.pot: Updated template file.
8361
4daadc0d
ST		 83622009-05-22 Sriraman Tallam <tmsriram@google.com>
8363
e1df38aa 8364 * testsuite/Makefile.am: Add -ffunction-sections to compile
4daadc0d
ST		 8365 gc_comdat_test files. Add -Wl,--gc-sections to build
8366 gc_comdat_test.
8367 * testsuite/Makefile.in: Regenerate.
8368 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
8369
531813ad
ST		 83702009-05-21 Sriraman Tallam <tmsriram@google.com>
8371
8372 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
8373 kept comdat section was garbage collected.
8374 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
8375 * testsuite/Makefile.in: Regenerate.
8376 * testsuite/gc_comdat_test.sh: New file.
8377 * testsuite/gc_comdat_test_1.cc: New file.
8378 * testsuite/gc_comdat_test_2.cc: New file.
8379
65514900
CC		 83802009-05-19 Doug Kwan <dougkwan@google.com>
8381
8382 * archive.cc (Archive::Archive): Move constructor from archive.h
8383 to here. Initialize no_export_.
8384 (Archive::get_elf_object_for_member): Set no_export flag of object.
8385 * archive.h (Archive::Archive): Move constructor body to
8386 archive.cc.
8387 (Archive::no_export): New method.
8388 (Archive::no_export_): New field.
8389 * object.h (Object::Object): Initialize no_export_ to false.
8390 (Object::no_export, Object::set_no_export): New methods.
8391 (Object::no_export_): New field.
8392 * options.cc (General_options::parse_exclude_libs): New method.
8393 (General_options::check_excluded_libs) Same.
8394 * options.h (exclude_libs): New option.
8395 (General_options::check_excluded_libs): New method declaration.
8396 (General_options::excluded_libs_): New field.
8397 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
8398 default or protected visibility if an object has no-export flag set.
8399 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
8400 (check_SCRIPTS): Add exclude_libs_test.sh.
8401 (check_DATA): Add exclude_libs_test.syms.
8402 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
8403 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
8404 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
8405 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
8406 (exclude_libs_test.syms, libexclude_libs_test_1.a,
8407 libexclude_libs_test_2.a): New rules.
8408 * testsuite/Makefile.in: Regenerate.
8409 * testsuite/exclude_libs_test.c: New file.
8410 * testsuite/exclude_libs_test.sh: Ditto.
8411 * testsuite/exclude_libs_test_1.c: Ditto.
8412 * testsuite/exclude_libs_test_2.c: Ditto.
8413
1b77ea50
ILT		 84142009-05-15 Ian Lance Taylor <iant@google.com>
8415
8416 * configure.ac: Check for declarations for cases where libiberty.h
8417 checks HAVE_DECL_xxx.
8418 * configure, config.in: Rebuild.
8419
072fe7ce
ILT		 84202009-05-15 Mikolaj Zalewski <mikolajz@google.com>
8421
8422 * gold.h (Incremental_argument_list): Remove (invalid) forward
8423 declaration.
8424 * incremental.cc (Incremental_inputs::report_achive): New method.
8425 (Incremental_inputs::report_object): New method.
8426 (Incremental_inputs::report_script): New method.
8427 (Incremental_inputs::finalize_inputs): New method.
8428 (Incremental_inputs::finalize): Call finalize_inputs().
8429 (Incremental_inputs::sized_create_incremental_inputs_section_data):
8430 Create inputs entries.
8431 * incremental.h (Incremental_input_type): New enum.
8432 (Incremental_inputs::Incremental_input): Initialize new fields.
8433 (Incremental_inputs::report_inputs): New method.
8434 (Incremental_inputs::report_achive): New method.
8435 (Incremental_inputs::report_object): New method.
8436 (Incremental_inputs::report_script): New method.
8437 (Incremental_inputs::finalize_inputs): New method.
8438 (Incremental_inputs::Input_info): New struct.
8439 (Incremental_inputs::Input_info_map): New typedef.
8440 (Incremental_inputs::lock_): New field.
8441 (Incremental_inputs::Inputs_): New field.
8442 (Incremental_inputs::Inputs_map): New field.
8443 * main.cc (main): Call Incremental_input::report_inputs.
8444 * options.h (Input_argument_list): Typedef moved from
8445 Input_arguments.
8446 (Input_file_group::Files): Remove, use ::Input_argument_list.
8447 (Input_file_group::Input_argument_list): Remove, use
8448 ::Input_argument_list.
8449 * plugin.cc (Plugin_manager::add_input_file): Add error in
8450 incremental build.
8451 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
8452 functions.
8453 * script.cc (read_input_script): Call
8454 Incremental_input::report_script.
8455 * script.h (Script_info): New class.
8456
b0481b0b
ILT		 84572009-04-27 Ian Lance Taylor <iant@google.com>
8458
8459 * x86_64.cc (do_adjust_output_section): Set entsize to
8460 plt_entry_size.
8461
b22a5a41 84622009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 8463
8464 * output.cc (Output_file::close): After short writes, continue
8465 writing from the correct offset in the buffer being written.
8466
40fde488
CD		 84672009-04-23 Chris Demetriou <cgd@google.com>
8468
8469 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
8470 * configure: Regenerate.
8471 * config.in: Regenerate.
8472 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
8473 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
8474
3ce2c28e
ILT		 84752009-04-21 Mikolaj Zalewski <mikolajz@google.com>
8476
8477 * incremental.cc (Incremental_inputs_header_data): Renamed from
8478 Incremental_input_header_data.
8479 (Incremental_inputs_header_data::data_size): New field.
8480 (Incremental_inputs_header_data::put_input_file_count): Renamed
8481 from input_file_count.
8482 (Incremental_inputs_header_data::put_command_line_offset): Renamed
8483 from command_line_offset.
8484 (Incremental_inputs_header_data::put_reserved): Renamed from
8485 put_reserved.
8486 (Incremental_inputs_entry_data): Renamed from
8487 Incremental_input_entry_data.
8488 (Incremental_inputs_entry_data::data_size): New field.
8489 (Incremental_inputs::report_command_line): New method.
8490 (Incremental_inputs::finalize): New method.
8491 (Incremental_inputs::create_incremental_inputs_data): New method.
8492 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
8493 * incremental.h: New file.
8494 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
8495 (Layout::finalize): Create incremental inputs section in
8496 incremental builds.
8497 (Layout::create_incremental_info_sections): New method.
8498 * layout.h (Layout::incremental_inputs): New method.
8499 (Layout::create_incremental_info_sections): New method.
8500 (Layout::incremental_inputs_): New field.
8501 * main.cc (main): Notify Incremental_input of the command line.
8502
e55bde5e
ILT		 85032009-04-01 Ian Lance Taylor <iant@google.com>
8504 Mikolaj Zalewski <mikolajz@google.com>
8505
8506 * gold.h (reserve_unordered_map): Define, three versions, one for
8507 each version of Unordered_map.
8508 * layout.cc (Layout::Layout): Remove options parameter. Add
8509 number_of_input_files parameter. Don't initialize options_.
8510 Initialize number_of_input_files_ and resized_signatures_. Move
8511 sections_are_attached_.
8512 (Layout::layout_group): Reserve space for group_signatures_.
8513 (Layout::find_or_add_kept_section): Change name parameter to be a
8514 reference. Resize signatures_ map when it gets large enough.
8515 (Layout::layout_eh_frame): Use parameters->options() instead of
8516 this->options_.
8517 (Layout::make_output_section): Likewise.
8518 (Layout::attach_allocated_section_to_segment): Likewise.
8519 (Layout::finalize, Layout::create_executable_stack): Likewise.
8520 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
8521 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
8522 * layout.h (class Layout): Update declarations. Remove options_
8523 field. Add number_of_input_files_ and resized_signatures_
8524 fields. Move sections_are_attached_ field.
8525 * main.cc (main): Pass number of input files to Layout
8526 constructor. Don't pass options.
8527
154b857c
ILT		 85282009-03-30 Ian Lance Taylor <iant@google.com>
8529
8530 * ffsll.c (ffsll): Correct implementation.
8531
2f35ab9b
ILT		 85322009-03-27 Ian Lance Taylor <iant@google.com>
8533
fd03461a
ILT		 8534 * ffsll.c: New file.
8535 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
8536 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
8537 * ftruncate.c (ftruncate): Declare before definition.
8538 * mremap.c (mremap): Likewise.
8539 * pread.c (pread): Likewise.
8540 * configure, Makefile.in, config.in: Rebuild.
8541
2f35ab9b
ILT		 8542 * mremap.c: New file.
8543 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
8544 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
8545 (mremap): Declare if HAVE_MREMAP is not defined.
8546 * configure, Makefile.in, config.in: Rebuild.
8547
33aea2fd
CC		 85482009-03-27 Cary Coutant <ccoutant@google.com>
8549
8550 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
8551 position independent.
8552 * sparc.cc (Target_sparc::check_non_pic): Likewise.
8553 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
8554
6d479619
CC		 85552009-03-24 Cary Coutant <ccoutant@google.com>
8556
8557 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
8558 an executable.
8559 (needs_dynamic_reloc): Likewise.
8560
afc06bb8
ILT		 85612009-03-24 Ian Lance Taylor <iant@google.com>
8562
8563 * yyscript.y (file_cmd): Recognize EXTERN.
8564 (extern_name_list, extern_name_list_body): New nonterminals.
8565 * script.cc (script_add_extern): Define.
8566 * script-c.h (script_add_extern): Declare.
8567
f6060a4d
ILT		 85682009-03-24 Rafael Avila de Espindola <espindola@google.com>
8569
8570 * object.cc (is_elf_object): Define.
8571 * object.h (is_elf_object): Declare.
8572 * archive.cc (Archive::get_elf_object_for_member): Call
8573 is_elf_object.
33aea2fd 8574 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 8575
26736d8e
ILT		 85762009-03-24 Elliott Hughes <enh@google.com>
8577
8578 * output.cc (Output_file::map_anonymous): Define.
8579 (Output_file::map): Use map_anonymous. If the regular mmap fails,
8580 try an anonymous one. Report the size if the mmap fails.
8581 * output.h (class Output_file): Declare map_anonymous.
8582
22fd9730
ILT		 85832009-03-24 Ian Lance Taylor <iant@google.com>
8584
8585 * target-select.cc (instantiate_target): Don't acquire the lock if
8586 the instantiated_target_ field has already been set.
8587
cb010894
ILT		 85882009-03-23 Ian Lance Taylor <iant@google.com>
8589
7f055c20
ILT		 8590 * gold-threads.h (class Initialize_lock): Define.
8591 * gold-threads.cc (class Initialize_lock_once): Define.
8592 (initialize_lock_control): New static variable.
8593 (initialize_lock_pointer): New static variable.
8594 (initialize_lock_once): New static function.
8595 (Initialize_lock::Initialize_lock): Define.
8596 (Initialize_lock::initialize): Define.
8597 * target-select.h: Include "gold-threads.h".
8598 (class Target_selector): Add lock_ and initialize_lock_ fields.
8599 Don't define instantiate_target, just declare it.
8600 * target-select.cc (Target_selector::Target_selector): Initialize
8601 new fields.
8602 (Target_selector::instantiate_target): Define.
8603 * descriptors.h: Include "gold-threads.h".
8604 (class Descriptors): Add initialize_lock_ field.
8605 * descriptors.cc (Descriptors::Descriptors): Initialize new
8606 field.
8607 (Descriptors::open): Use initialize_lock_ field
8608 * errors.h (class Errors): Add initialize_lock_ field.
8609 * errors.cc (Errors::Errors): Initialize new field.
8610 (Errors::initialize_lock): Use initialize_lock_ field.
8611 * powerpc.cc (class Target_selector_powerpc): Remove
8612 instantiated_target_ field. In do_recognize call
8613 instantiate_target rather than do_instantiate_target. In
8614 do_instantiate_target just allocate a new target.
8615 * sparc.cc (class Target_selector_sparc): Likewise.
8616
36959681
ILT		 8617 * freebsd.h: New file.
8618 * i386.cc: Include "freebsd.h".
8619 (Target_i386): Derive from Target_freebsd rather than
8620 Sized_target.
8621 (Target_selector_i386): Derive from Target_selector_freebsd rather
8622 than Target_selector.
8623 * x86_64.cc: Include "freebsd.h".
8624 (Target_x86_64): Derive from Target_freebsd rather than
8625 Sized_target.
8626 (Target_selector_x86_64): Derive from Target_selector_freebsd
8627 rather than Target_selector.
8628 * target.h (class Target): Add adjust_elf_header and
8629 do_adjust_elf_header.
8630 * output.cc (Output_file_header:: do_sized_write): Call target
8631 adjust_elf_header routine.
8632 * configure.tgt: Set targ_osabi.
8633 * configure.ac: Define GOLD_DEFAULT_OSABI.
8634 * parameters.cc (Parameters::default_target): Pass
8635 GOLD_DEFAULT_OSABI to select_target.
8636 * target-select.h (class Target_selector): Make instantiate_target
8637 protected rather than private.
8638 * Makefile.am (HFILES): Add freebsd.h.
8639 * configure, Makefile.in, config.in: Rebuild.
8640
cb010894
ILT		 8641 * merge.cc (do_add_input_section): Correct pend value. Change
8642 message about last entry not being null terminated from error to
8643 warning.
8644
0e879927
ILT		 86452009-03-20 Mikolaj Zalewski <mikolajz@google.com>
8646
8647 * incremental.cc: New file.
8648 * Makefile.am (CCFILES): Add incremental.cc.
8649 * Makefile.in: Rebuild.
8650
41105937
PP		 86512009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
8652
8653 * layout.cc (Layout::output_section_name): Preserve names
8654 of '.note.' sections.
e1df38aa 8655
60439920
ILT		 86562009-03-19 Ian Lance Taylor <iant@google.com>
8657
8658 * descriptors.cc (Descriptors::open): Check that the options are
8659 valid before using them.
8660
0d371ad3
ILT		 86612009-03-18 Ian Lance Taylor <iant@google.com>
8662
8663 * script-sections.h: Include <list>.
8664 (class Script_sections): Change Sections_elements from std::vector
8665 to std::list. Typedef public Elements_iterator. Add
8666 orphan_section_placement_, data_segment_align_start_, and
8667 saw_data_segment_align_ fields. Remove data_segment_align_index_
8668 field.
8669 * script-sections.cc (class Orphan_section_placement): New class.
8670 (class Sections_element): Add virtual functions is_relro and
8671 orphan_section_init. Remove virtual function place_orphan_here.
8672 (class Output_section_definition): Add is_relro and
8673 orphan_section_init. Remove place_orphan_here.
8674 (class Orphan_output_section): Likewise.
8675 (Script_sections::Script_sections): Update for field changes.
8676 (Script_sections::data_segment_align): Set saw_data_segment_align_
8677 and data_segment_align_start_, not data_segment_align_index.
8678 (Script_sections::data_segment_relro_end): Check
8679 saw_data_segment_align_. Use data_segment_align_start_ rather
8680 than data_segment_align_index_.
8681 (Script_sections::place_orphan): Rewrite to use
8682 Orphan_section_placement.
8683
9201d894
ILT		 86842009-03-17 Ian Lance Taylor <iant@google.com>
8685
9c5b8369
ILT		 8686 * archive.cc (Archive::add_symbols): Check for a version attached
8687 to the symbol name in the archive map.
8688 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
8689 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
8690 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
8691 (ver_test_11.a): New target.
8692 * testsuite/Makefile.in: Rebuild.
8693
9201d894
ILT		 8694 * configure.ac: Check for chsize and posix_fallocate. Replace
8695 ftruncate.
8696 * ftruncate.c: New file, from gnulib.
8697 * output.cc (posix_fallocate): Define dummy version if not
8698 HAVE_POSIX_FALLOCATE.
8699 (Output_file::map): Call posix_fallocate rather than lseek and
8700 write.
8701 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
8702 * configure, Makefile.in, config.in: Rebuild.
8703
ef4ab7a8 87042009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
e1df38aa 8705
ef4ab7a8
PP		 8706 * layout.h (Layout::create_note): Add section_name parameter.
8707 * layout.cc (Layout::create_note): Likewise.
8708 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
e1df38aa 8709
8c500701
ILT		 87102009-03-17 Ian Lance Taylor <iant@google.com>
8711
e85b18e1
ILT		 8712 * descriptors.cc: Include "options.h".
8713 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
8714 (Descriptors::open): Always use O_CLOEXEC when opening a new
8715 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
8716 then set FD_CLOEXEC.
8717
9efe6174
ILT		 8718 * sparc.cc (class Target_sparc): Add has_got_section.
8719 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
8720 make sure we have a GOT section.
8721
8722 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
8723 (Target_sparc::Scan::local): Likewise.
8724 (Target_sparc::Scan::global): Likewise.
8725 (Target_sparc::Relocate::relocate): Likewise.
8726 (Target_sparc::Relocate::relocate_tls): Likewise.
8727
8c500701
ILT		 8728 * symtab.cc (Symbol_table::define_default_version): New function,
8729 broken out of add_from_object.
8730 (Symbol_table::add_from_object): Call define_default_version.
8731 (Symbol_table::define_special_symbol): Add resolve_oldsym
8732 parameter. Change all callers. If the version for a symbol comes
8733 from a version script, resolve it with the symbol with the same
8734 name with no version. Also add the symbol without a version if
8735 appropriate.
8736 (do_define_in_output_data): If resolving with oldsym, don't delete
8737 sym.
8738 (do_define_in_output_segment): Likewise.
8739 (do_define_as_constant): Likewise.
8740 * symtab.h (class Symbol_table): Update declarations.
8741
f1ed28fb
ILT		 87422009-03-13 Ian Lance Taylor <iant@google.com>
8743
15f8229b
ILT		 8744 * readsyms.cc (Read_symbols::incompatible_warning): New function.
8745 (Read_symbols::requeue): New function.
8746 (Read_symbols::do_read_symbols): If make_elf_object fails because
8747 the target type is not configured, and the file was searched for,
8748 issue a warning and retry with the next directory.
8749 (Add_symbols::run): If the file has an incompatible format, and
8750 it was searched for, requeue the Read_symbols task. On error,
8751 release the object.
8752 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
8753 dirindex parameter to constructor. Change all callers. Declare
8754 incompatible_warning and requeue.
8755 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
8756 input_argument_ and input_group_ fields. Add them to
8757 constructor. Change all callers.
8758 (class Read_script): Add dirindex_ field. Add it to constructor.
8759 Change all callers.
8760 * archive.cc (Archive::setup): Remove input_objects parameter.
8761 Change all callers.
8762 (Archive::get_file_and_offset): Likewise.
8763 (Archive::read_all_symbols): Likewise.
8764 (Archive::read_symbols): Likewise.
8765 (Archive::get_elf_object_for_member): Remove input_objects
8766 parameter. Add punconfigured parameter. Change all callers.
8767 (Archive::add_symbols): Change return type to bool. Check return
8768 value of include_member.
8769 (Archive::include_all_members): Likewise.
8770 (Archive::include_member): Change return type to bool. Return
8771 false if first included object has incompatible target. Set
8772 included_member_ field.
8773 (Add_archive_symbols::run): If add_symbols returns false, requeue
8774 Read_symbols task.
8775 * archive.h (class Archive): Add included_member_ field.
8776 Initialize it in constructor. Add input_file and searched_for
8777 methods. Update declarations.
8778 (class Add_archive_symbols): Add dirpath_, dirindex_, and
8779 input_argument_ fields. Add them to constructor. Change all
8780 callers.
8781 * script.cc: Include "target-select.h".
8782 (class Parser_closure): Add skip_on_incompatible_target_ and
8783 found_incompatible_target_ fields. Add
8784 skip_on_incompatible_target parameter to constructor. Change all
8785 callers. Add methods skip_on_incompatible_target,
8786 clear_skip_on_incompatible_target, found_incompatible_target, and
8787 set_found_incompatible_target.
8788 (read_input_script): Add dirindex parameter. Change all callers.
8789 If parser finds an incompatible target, requeue Read_symbols
8790 task.
8791 (script_set_symbol): Clear skip_on_incompatible_target in
8792 closure.
8793 (script_add_assertion, script_parse_option): Likewise.
8794 (script_start_sections, script_add_phdr): Likewise.
8795 (script_check_output_format): New function.
8796 * script.h (read_input_script): Update declaration.
8797 * script-c.h (script_check_output_format): Declare.
8798 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
8799 (ignore_cmd): Remove OUTPUT_FORMAT.
8800 * fileread.cc (Input_file::Input_file): Add explicit this.
8801 (Input_file::will_search_for): New function.
8802 (Input_file::open): Add pindex parameter. Change all callers.
8803 * fileread.h (class Input_file): Add input_file_argument method.
8804 Declare will_search_for. Update declarations.
8805 * object.cc (make_elf_object): Add punconfigured parameter.
8806 Change all callers.
8807 * object.h (class Object): Make input_file public. Add
8808 searched_for method.
8809 (make_elf_object): Update declaration.
8810 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
8811 restart search.
8812 * dirsearch.h (class Dirsearch): Update declaration.
8813 * options.h (class General_options): Add --warn-search-mismatch.
8814 * parameters.cc (Parameters::is_compatible_target): New function.
8815 * parameters.h (class Parameters): Declare is_compatible_target.
8816 * workqueue.cc (Workqueue::add_blocker): New function.
8817 * workqueue.h (class Workqueue): Declare add_blocker.
8818
f1ed28fb
ILT		 8819 * fileread.cc (Input_file::open): Remove options parameter.
8820 Change all callers.
8821 (Input_file::open_binary): Likewise.
8822 * script.cc (read_input_script): Likewise.
8823 * readsyms.h (class Read_symbols): Remove options_ field. Remove
8824 options parameter from constructor. Change all callers.
8825 (class Read_script): Likewise.
8826 * fileread.h (class Input_file): Update declarations.
8827 * script.h (read_input_script): Update declaration.
8828
34dd024a
NC		 88292009-03-10 Nick Clifton <nickc@redhat.com>
8830
8831 * po/es.po: New Spanish translation.
8832
6d71b17c
CC		 88332009-03-06 Cary Coutant <ccoutant@google.com>
8834
8835 * options.cc (parse_short_option): Keep dash_z from registering itself.
8836
031cdbed
ILT		 88372009-03-03 Ian Lance Taylor <iant@google.com>
8838
8839 PR 9918
8840 * target-reloc.h (relocate_section): Pass output_section to
8841 relocate.
8842 * i386.cc (Target_i386::should_apply_static_reloc): Add
8843 output_section parameter. Change all callers.
8844 (Target_i386::Relocate::relocate): Add output_section parameter.
8845 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
8846 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
8847 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
8848 * testsuite/two_file_shared.sh: New script.
8849 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
8850 (check_DATA): Add two_file_shared.dbg.
8851 (two_file_shared.dbg): New target.
8852 * testsuite/Makefile.in: Rebuild.
8853
15d5fa16
ILT		 88542009-03-01 Ian Lance Taylor <iant@google.com>
8855
8856 * configure.ac: Check for byteswap.h.
8857 * configure: Rebuild.
8858 * config.in: Rebuild.
8859
8a4c0b0d
ILT		 88602009-03-01 Mikolaj Zalewski <mikolajz@google.com>
8861
8862 * layout.cc (Layout::find_or_add_kept_section): New function.
8863 (Layout::add_comdat): Removed.
8864 * layout.h (struct Kept_section): Move out of class Layout.
8865 Remove trailing underscores from field names. Add group_sections
8866 field. Rename group_ field to is_group. Change all uses.
8867 (class Layout): Declare find_or_add_kept_section, not add_comdat.
8868 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
8869 comdat_groups_ field.
8870 (Sized_relobj::include_section_group): Use
8871 find_or_add_kept_section and Kept_section::group_sections.
8872 (Sized_relobj::include_linkonce_section): Likewise.
8873 * object.cc (class Sized_relobj): Don't define Comdat_group or
8874 Comdat_group_table. Remove find_comdat_group and
8875 add_comdat_group. Remove comdat_groups_ field.
8876 * plugin.cc (include_comdat_group): Use
8877 Layout::find_or_add_kept_section.
8878
b4ecf66b
ILT		 88792009-02-28 Ian Lance Taylor <iant@google.com>
8880
14359ca0
ILT		 8881 * README: --gc-sections and map files are now supported. Document
8882 some build requirements.
8883
b4ecf66b
ILT		 8884 PR 6992
8885 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
8886 relocatable link set the value of the section symbol to zero.
8887 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
8888 relocatable link don't include the section address in the local
8889 symbol value.
8890
0602e05a
ILT		 88912009-02-27 Ian Lance Taylor <iant@google.com>
8892
fd9d194f
ILT		 8893 PR 6811
8894 * options.h (class Search_directory): Add is_system_directory.
8895 (class General_options): Declare is_in_system_directory.
8896 * options.cc (get_relative_sysroot): Make static.
8897 (get_default_sysroot): Make static.
8898 (General_optoins::is_in_system_directory): New function.
8899 * fileread.cc (Input_file::is_in_system_directory): New function.
8900 * fileread.h (class Input_file): Declare is_in_system_directory.
8901 * object.h (class Object): Add is_in_system_directory.
8902 (class Input_objects): Remove system_library_directory_ field.
8903 * object.cc (Input_objects::add_object): Don't set
8904 system_library_directory_.
8905 (input_objects::found_in_system_library_directory): Remove.
8906 * symtab.cc (Symbol_table::write_globals): Remove input_objects
8907 parameter. Change all callers.
8908 (Symbol_table::sized_write_globals): Likewise.
8909 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
8910 Call Object::is_in_system_directory.
8911 * symtab.h (class Symbol_table): Update declarations.
8912
61edd21f
ILT		 8913 PR 5990
8914 * descriptors.h (Open_descriptor): Add is_on_stack field.
8915 * descriptors.cc (Descriptors::open): If the descriptor is on the
8916 top of the stack, remove it. Initialize is_on_stack field.
8917 (Descriptors::release): Only add pod to stack if it is not on the
8918 stack already.
8919 (Descriptors::close_some_descriptor): Clear stack_next and
8920 is_on_stack fields.
8921
e29e076a
ILT		 8922 PR 7091
8923 * output.cc (Output_section::find_starting_output_address): Rename
8924 from starting_output_address; add PADDR parameter; change return
8925 type.
8926 * output.h (class Output_section): Declare
8927 find_starting_output_address instead of starting_output_address.
8928 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
8929 section symbol for which we can't find a merge section.
8930
0602e05a
ILT		 8931 PR 9836
8932 * symtab.cc (Symbol_table::add_from_object): If the visibility is
8933 hidden or internal, force the symbol to be local.
8934 * resolve.cc (Symbol::override_visibility): Define.
8935 (Symbol::override_base): Use override_visibility.
8936 (Symbol_table::resolve): Likewise.
8937 (Symbol::override_base_with_special): Likewise.
8938 (Symbol_table::override_with_special): If the visibility is hidden
8939 or internal, force the symbol to be local.
8940 * symtab.h (class Symbol): Add set_visibility and
8941 override_visibility.
8942 * testsuite/ver_test_1.sh: New file.
8943 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
8944 (check_DATA): Add ver_test_1.syms.
8945 (ver_test_1.syms): New target.
8946 * testsuite/Makefile.in: Rebuild.
8947
401a9a73
CC		 89482009-02-25 Cary Coutant <ccoutant@google.com>
8949
8950 * layout.cc (Layout::choose_output_section): Don't rename sections
8951 when using a linker script that has a SECTIONS clause.
8952 * Makefile.in: Regenerate.
8953
8954 * testsuite/Makefile.am (script_test_5.sh): New test case.
8955 * testsuite/Makefile.in: Regenerate.
8956 * testsuite/script_test_5.cc: New file.
8957 * testsuite/script_test_5.sh: New file.
8958 * testsuite/script_test_5.t: New file.
8959
f488e4b0
CC		 89602009-02-13 Rafael Avila de Espindola <espindola@google.com>
8961
8962 * archive.cc (Archive::include_member): Update calls to add_symbols.
8963 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
8964 the Layout argument.
8965 * dynobj.h (do_add_symbols): Add the Layout argument.
8966 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
8967 Layout argument.
8968 * object.h (Object::add_symbols): Add the Layout argument.
8969 (Object::do_add_symbols): Add the Layout argument.
8970 (Sized_relobj::do_add_symbols): Add the Layout argument.
8971 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
8972 Unify the two versions.
8973 (Add_plugin_symbols): Remove.
8974 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
8975 (Sized_pluginobj::do_add_symbols): Unify the two versions.
8976 (Add_plugin_symbols): Remove.
8977 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
8978 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
8979 (Add_symbols::run): Make it work with Pulginobj.
8980
89dd1680
ILT		 89812009-02-06 Ian Lance Taylor <iant@google.com>
8982
8983 * object.cc (Sized_relobj::do_layout): Make info message start
8984 with lower case letter.
8985
266d0a74
ILT		 89862009-02-06 Mikolaj Zalewski <mikolajz@google.com>
8987
602b464e
ILT		 8988 * binary.cc: Fix file comment.
8989
266d0a74
ILT		 8990 * options.h (enum Incremental_disposition): Define.
8991 (class General_options): Add new options: --incremental,
8992 --incremental_changed, --incremental_unchanged,
8993 --incremental_unknown. Add incremental_disposition_ and
8994 implicit_incremental_ fields.
8995 (General_options::incremental_disposition): New function.
8996 (class Position_dependent_options): Add incremental_disposition
8997 option.
8998 (Position_dependent_options::copy_from_options): Set incremental
8999 dispositions.
9000 * options.cc (General_options::parse_incremental_changed): New
9001 function.
9002 (General_options::parse_incremental_unchanged): New function.
9003 (General_options::parse_incremental_unknown): New function.
9004 (General_options::General_options): Initialize new fields
9005 incremental_disposition_ and implicit_incremental_.
9006 (General_options::finalize): Check for uasge of --incremental-*
9007 without --incremental.
9008
f073bbf7
CD		 90092009-02-06 Chris Demetriou <cgd@google.com>
9010
9011 * gold.h (gold_undefined_symbol): Change to take only a Symbol
9012 pointer and to report location as the file name associated with
9013 the symbol.
9014 (gold_undefined_symbol_at_location): New function to replace the
9015 old gold_undefined_symbol functionality.
9016 * target-reloc.h (relocate_section): Update to use
9017 gold_undefined_symbol_at_location.
9018 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9019 Call gold_undefined_symbol function rather than gold_error.
9020 * errors.h (Errors::undefined_symbol): Take location as a
9021 string, rather than calculating it from a relocation.
9022 * errors.cc (Errors::fatal): Print "fatal error:" before the
9023 formatted message.
9024 (Errors::error, Errors::error_at_location): Print "error: "
9025 before the formatted message.
9026 (Errors::undefined_symbol): Take location as a string, rather
9027 than calculating it from a relocation.
9028 (gold_undefined_symbol_at_location): New function akin to
9029 old gold_undefined_symbol, calculates location from relocation.
9030 (gold_undefined_symbol): Change to take only a Symbol pointer
9031 and to report location as the file name associated with the symbol.
9032 * testsuite/debug_msg.sh: Update for changed error messages.
9033 * testsuite/undef_symbol.sh: Likewise.
9034
8e94a90c
ILT		 90352009-02-04 Duncan Sands <baldrick@free.fr>
9036
9037 PR 9812
9038 * reduced_debug_output.h
9039 (Output_reduced_debug_abbrev_section::failed): Use format for
9040 gold_warning.
9041 (Output_reduced_debug_info_section::faild): Likewise.
9042
88a0e15b
ILT		 90432009-01-31 Mikolaj Zalewski <mikolajz@google.com>
9044
9045 * script.cc (Lazy_demangler): New class.
9046 (Version_script_info::get_symbol_version_helper): Demangle a
9047 symbol only once.
9048
5efc7cd2
CC		 90492009-01-29 Cary Coutant <ccoutant@google.com>
9050
9051 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
9052 to __tls_get_addr.
9053 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
9054
e0ebcf42
ILT		 90552009-01-28 Ian Lance Taylor <iant@google.com>
9056
5efc7cd2 9057 * version.cc (version_string): Bump to 1.9.
75fe7426 9058
e0ebcf42
ILT		 9059 * gold.h: Include <cstring> and <stdint.h>.
9060 * version.cc: Include <cstdio>.
9061 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
9062 warning.
9063 * reduced_debug_output.cc (insert_into_vector): Rename from
9064 Insert_into_vector; change all callers. Use Swap_unaligned to
9065 avoid aliasing issue; remove union since it is unnecessary.
9066
8e2813be 90672009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 9068
9069 * Makefile.am (CCFILES): Add gc.cc.
9070 (HFILES): Add gc.h.
9071 * Makefile.in: Regenerate.
9072 * gold.cc (Gc_runner): New class.
9073 (queue_initial_tasks): Call garbage collection related tasks
9074 when corresponding options are invoked.
9075 (queue_middle_gc_tasks): New function.
9076 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
9077 processed early before laying out sections during garbage collection.
9078 * gold.h (queue_middle_gc_tasks): New function.
9079 (is_prefix_of): Move from "layout.cc".
9080 * i386.cc (Target_i386::gc_process_relocs): New function.
9081 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
9082 * main.cc (main): Create object of class "Garbage_collection".
9083 * object.cc (Relobj::copy_symbols_data): New function.
9084 (Relobj::is_section_name_included): New function.
e1df38aa
NC		 9085 (Sized_relobj::do_layout): Allow this function to be called twice
9086 during garbage collection and defer layout of section during the
6d03d481
ST		 9087 first call.
9088 * object.h (Relobj::get_symbols_data): New function.
9089 (Relobj::is_section_name_included): New function.
9090 (Relobj::copy_symbols_data): New function.
9091 (Relobj::set_symbols_data): New function.
9092 (Relobj::get_relocs_data): New function.
9093 (Relobj::set_relocs_data): New function.
9094 (Relobj::is_output_section_offset_invalid): New pure virtual function.
9095 (Relobj::gc_process_relocs): New function.
9096 (Relobj::do_gc_process_relocs): New pure virtual function.
9097 (Relobj::sd_): New data member.
9098 (Sized_relobj::is_output_section_offset_invalid): New function.
9099 (Sized_relobj::do_gc_process_relocs): New function.
9100 * options.h (General_options::gc_sections): Modify to not be a no-op.
9101 (General_options::print_gc_sections): New option.
9102 * plugin.cc (Plugin_finish::run): Remove function call to
9103 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
9104 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
9105 * reloc.cc (Read_relocs::run): Add task to process relocs and
9106 determine unreferenced sections when doing garbage collection.
9107 (Gc_process_relocs): New class.
9108 (Sized_relobj::do_gc_process_relocs): New function.
9109 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
9110 sections that are garbage collected.
9111 * reloc.h (Gc_process_relocs): New class.
9112 * sparc.cc (Target_sparc::gc_process_relocs): New function.
9113 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
9114 symbols whose corresponding sections are garbage collected.
9115 (Symbol_table::Symbol_table): Add new parameter for the garbage
9116 collection object.
9117 (Symbol_table::gc_mark_undef_symbols): New function.
9118 (Symbol_table::gc_mark_symbol_for_shlib): New function.
9119 (Symbol_table::gc_mark_dyn_syms): New function.
9120 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
9121 as garbage.
9122 (Symbol_table::add_from_object): Likewise.
9123 (Symbol_table::add_from_relobj): When building shared objects, do not
9124 treat externally visible symbols as garbage.
9125 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
9126 table information for static and relocatable links.
9127 * symtab.h (Symbol_table::set_gc): New function.
9128 (Symbol_table::gc): New function.
9129 (Symbol_table::gc_mark_undef_symbols): New function.
9130 (Symbol_table::gc_mark_symbol_for_shlib): New function.
9131 (Symbol_table::gc_mark_dyn_syms): New function.
9132 (Symbol_table::gc_): New data member.
e1df38aa 9133 * target.h (Sized_target::gc_process_relocs): New pure virtual
6d03d481
ST		 9134 function.
9135 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
9136 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
9137
3b293544
CF		 91382009-01-20 Chris Faylor <me.sourceware@sourceware.org>
9139
9140 * options.h (General_options::gc_sections): Define as a no-op for now.
9141 (General_options::no_keep_memory): Ditto.
9142 (General_options::Bshareable): Define.
9143 * options.cc (General_options::finalize): Honor -Bshareable.
9144
83d22aa8
AS		 91452009-01-20 Andreas Schwab <schwab@suse.de>
9146
9147 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
9148 read the value in the contents, since we don't use it. Use the
9149 template endianness when writing.
9150 (Relocate::relocate): Use it for R_PPC_REL16_HA.
9151
cd536b21
AS		 91522009-01-19 Andreas Schwab <schwab@suse.de>
9153
9154 * configure.tgt (powerpc64-*): Fix targ_obj.
9155
99e9a495
ILT		 91562009-01-15 Ian Lance Taylor <iant@google.com>
9157
9158 * object.cc (Sized_relobj::write_local_symbols): Don't write out
9159 local symbols when stripping all symbols.
9160
bbbfea06
CC		 91612009-01-14 Cary Coutant <ccoutant@google.com>
9162
99e9a495 9163 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 9164
0f7c0701
CC		 91652009-01-14 Cary Coutant <ccoutant@google.com>
9166
9167 * archive.cc (Archive::get_elf_object_for_member): Remove call
9168 to File_read::claim_for_plugin.
9169 * descriptors.cc (Descriptors::open): Remove reference to
9170 is_claimed.
9171 (Descriptors::claim_for_plugin): Remove.
9172 * descriptors.h (Descriptors::claim_for_plugin): Remove.
9173 (Descriptors::is_claimed): Remove.
9174 (claim_descriptor_for_plugin): Remove.
9175 * fileread.cc (File_read::claim_for_plugin): Remove.
9176 * fileread.h (File_read::claim_for_plugin): Remove.
9177 (File_read::descriptor): Reopen descriptor if necessary.
9178 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
9179 (Plugin_manager::all_symbols_read): Add task parameter. Change
9180 all callers.
9181 (Plugin_manager::get_input_file): New function.
9182 (Plugin_manager::release_input_file): New function.
9183 (Pluginobj::Pluginobj): Add filesize parameter and initialize
9184 corresponding data member.
9185 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
9186 and pass to base constructor. Change all callers.
9187 (get_input_file, release_input_file): New functions.
9188 (make_sized_plugin_object): Add filesize parameter. Change all callers.
9189 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
9190 (Plugin_manager::all_symbols_read): Add task parameter.
9191 (Plugin_manager::get_input_file): New function.
9192 (Plugin_manager::release_input_file): New function.
9193 (Plugin_manager::task_): New data member.
9194 (Pluginobj::Pluginobj): Add filesize parameter.
9195 (Pluginobj::filename): New function.
9196 (Pluginobj::descriptor): New function.
9197 (Pluginobj::filesize): New function.
9198 (Pluginobj::filesize_): New data member.
9199 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
9200 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
9201 File_read::claim_for_plugin; use Object::unlock to unlock the file.
9202
9203 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
9204 with archive libraries.
9205 * testsuite/Makefile.in: Regenerate.
9206 * testsuite/plugin_test.c (struct sym_info): New type.
9207 (get_input_file, release_input_file): New static variables.
9208 (onload): Capture new transfer vector entries.
9209 (claim_file_hook): Stop reading at end of file according to filesize.
9210 Factor out parsing of readelf output into separate function.
9211 (all_symbols_read_hook): Exercise get_input_file and release_input_file
9212 APIs and get the source file name from the symbol table. Convert
9213 source file name to corresponding object file name. Print info
9214 message when adding new input files.
9215 (parse_readelf_line): New function.
9216 * testsuite/plugin_test_1.sh: Add checks for new info messages.
9217 * testsuite/plugin_test_2.sh: Likewise.
9218 * testsuite/plugin_test_3.sh: Likewise.
9219 * testsuite/plugin_test_4.sh: New test case.
9220
62a6d109
ILT		 92212009-01-07 Ian Lance Taylor <iant@google.com>
9222
9223 * version.cc (version_string): Bump to 1.8.
9224
483620e8
CC		 92252008-12-23 Cary Coutant <ccoutant@google.com>
9226
9227 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
9228 * plugin.cc (Plugin_manager::finish): Rename as
9229 layout_deferred_objects. Move cleanup to separate function.
9230 (Plugin_manager::cleanup): New function.
9231 (Plugin_finish::run): Call layout_deferred_objects and cleanup
9232 separately.
9233 * plugin.h (Plugin_manager::finish): Rename as
9234 layout_deferred_objects.
9235 (Plugin_manager::cleanup): New function.
9236 (Plugin_manager::cleanup_done): New field.
9237
d66a9eb3
CC		 92382008-12-23 Cary Coutant <ccoutant@google.com>
9239
9240 * plugin.cc (is_visible_from_outside): New function.
9241 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
9242 so we don't return "IR only" status for exported symbols or -r links.
9243
9244 * testsuite/Makefile.am (plugin_test_3): New test case.
9245 * testsuite/Makefile.in: Regenerate.
9246 * testsuite/plugin_test_3.sh: New file.
9247
5995b570
CC		 92482008-12-22 Cary Coutant <ccoutant@google.com>
9249
9250 * object.cc (Sized_relobj::layout_section): New function.
9251 (Sized_relobj::do_layout): Defer layout of input sections until after
9252 plugin has provided replacement files.
9253 (Sized_relobj::do_layout_deferred_sections): New function.
9254 * object.h (Relobj::set_section_offset): Remove virtual keyword.
9255 (Relobj::layout_deferred_sections): New function.
9256 (Relobj::do_layout_deferred_sections): New function.
9257 (Sized_relobj::do_layout_deferred_sections): New function.
9258 (Sized_relobj::layout_section): New function.
9259 (Sized_relobj::Deferred_layout): New structure.
9260 (Sized_relobj::deferred_layout_): New field.
9261 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
9262 Change all callers. Layout deferred sections.
9263 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
9264 references.
9265 (Plugin_hook::run): Move code from do_plugin_hook inline.
9266 (Plugin_hook::do_plugin_hook): Remove.
9267 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
9268 (Plugin_manager::finish): Renamed, was cleanup.
9269 (Plugin_manager::should_defer_layout): New function.
9270 (Plugin_manager::add_deferred_layout_object): New function.
9271 (Plugin_manager::Deferred_layout_list): New type.
9272 (Plugin_manager::deferred_layout_objects_): New field.
9273 (Plugin_hook::do_plugin_hook): Remove.
9274
ee769c88
ILT		 92752008-12-17 Ian Lance Taylor <iant@google.com>
9276
9277 * options.h (class General_options): Add --no case for
9278 --export-dynamic.
9279
abc8dcba
CC		 92802008-12-16 Cary Coutant <ccoutant@google.com>
9281
9282 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
9283 vector.
9284 (Plugin_manager::claim_file): Create plugin object even if
9285 plugin did not call the add_symbols callback.
9286 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
9287 asking for more symbols than were added.
9288 * testsuite/Makefile.am (plugin_test_1): Add test case with
9289 no global symbols.
9290 (empty.syms): New target.
9291 * testsuite/Makefile.in: Regenerate.
9292 * testsuite/plugin_test.c (claim_file_hook): Add new debug
9293 message. Don't call add_symbols if no globals.
9294 (all_symbols_read_hook): Don't provide replacement for empty
9295 claimed file.
9296
b0074644
ILT		 92972008-12-12 Ian Lance Taylor <iant@google.com>
9298
68943102
ILT		 9299 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
9300 r_type == 0 for a local symbol with r_sym == 0.
9301 (scan_relocatable_relocs): Pass r_sym to
9302 local_non_section_strategy.
9303 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
9304 r_sym parameter.
9305
b0074644
ILT		 9306 * configure.ac: Update test for TLS descriptors: they are
9307 supported as of glibc 2.9.
9308 * configure: Rebuild.
9309
c2508178
ILT		 93102008-12-11 Ian Lance Taylor <iant@google.com>
9311
9312 PR 7091
9313 * target-reloc.h (Default_scan_relocatable_relocs): For each
9314 function, map r_type == 0 to RELOC_DISCARD.
9315
2756a258
CC		 93162008-12-10 Cary Coutant <ccoutant@google.com>
9317
9318 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
9319 object to override a kept COMDAT group from a plugin object.
9320
bb6f53d3
ILT		 93212008-12-09 Ian Lance Taylor <iant@google.com>
9322
fbc558e1
ILT		 9323 PR 7088
9324 * yyscript.y (file_cmd): Handle INPUT.
9325
bb6f53d3
ILT		 9326 * testsuite/initpri1.c: Change all declarations to be full
9327 prototypes by adding void, to avoid compiler warnings.
9328
4674ecfc
CC		 93292008-12-05 Rafael Avila de Espindola <espindola@google.com>
9330
9331 * options.cc (General_options::parse_plugin_opt): New.
9332 (General_options::add_plugin): The argument now is just the filename.
9333 (General_options::add_plugin_option): New.
9334 * options.h (plugin_opt): New.
9335 (add_plugin): Change argument name.
9336 (add_plugin_option): New.
9337 * plugin.cc (Plugin::load): Don't parse the plugin option.
9338 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
9339 (Plugin::add_option): New.
9340 (Plugin::args_): Change type.
9341 (Plugin::filename_): New.
9342 (Plugin_manager::add_plugin_option): New.
9343 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
9344 * testsuite/Makefile.in: Regenerate.
9345
fd06b4aa
CC		 93462008-12-05 Cary Coutant <ccoutant@google.com>
9347
9348 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
9349 Handle --strip-lto-sections option.
9350 * options.h (strip_lto_sections): New option.
9351
6c52134c
CC		 93522008-12-01 Cary Coutant <ccoutant@google.com>
9353
9354 * plugin.cc (ld_plugin_message): Change format parameter to const.
9355 Fix mismatch between new[] and delete.
9356
a45248e0
CC		 93572008-11-14 Cary Coutant <ccoutant@google.com>
9358
9359 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
9360 instead of -1U.
9361
c82fbeee
CS		 93622008-11-05 Craig Silverstein <csilvers@google.com>
9363
9364 * options.cc (General_options::parse_dynamic_list): New function.
9365 * options.h (General_options): New flags dynamic_list,
9366 dynamic_list_data, dynamic_list_cpp_new, and
9367 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
9368 (General_options::in_dynamic_list): New function.
9369 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
9370 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
9371 (Lex::can_continue_name): Likewise.
9372 (yylex): Likewise.
9373 (read_script_file): New parameter script_options.
9374 (read_dynamic_list): New function.
9375 (Script_options::define_dynamic_list): New function.
9376 (dynamic_list_keyword_parsecodes): New variable.
9377 (dynamic_list_keywords): New variable.
9378 * script.h (Script_options::define_dynamic_list): New function
9379 prototype.
9380 (read_dynamic_list): New function prototype.
9381 * symtab.cc (strprefix): New macro.
9382 (Symbol::should_add_dynsym_entry): Support dynamic_list,
9383 dynamic_list_data, dynamic_list_cpp_new, and
9384 dynamic_list_cpp_typeinfo.
9385 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
9386 (dynamic_list_expr): New rule.
9387 (dynamic_list_nodes): Likewise.
9388 (dynamic_list_node): Likewise.
9389 * testsuite/Makefile.am (dynamic_list): New test.
9390 * testsuite/Makefile.in: Regenerated.
9391 * testsuite/dynamic_list.t: New file.
9392 * testsuite/dynamic_list.sh: New file.
9393
e0bb29a5
CS		 93942008-11-05 Craig Silverstein <csilvers@google.com>
9395
9396 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
9397 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
9398 (t11_last): Likewise.
9399 * testsuite/ver_test_6.c (main): Likewise.
9400
4e1e25e0
CC		 94012008-10-07 Cary Coutant <ccoutant@google.com>
9402
9403 * options.c (General_options::finalize): Add check for -static and
9404 -shared.
9405 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
9406 is not empty.
9407
92f03fcb
CC		 94082008-10-02 Cary Coutant <ccoutant@google.com>
9409
9410 * plugin.cc (make_sized_plugin_object): Fix conditional
9411 compilation to work when not all targets are enabled.
9412
fbd8a257
CC		 94132008-09-29 Cary Coutant <ccoutant@google.com>
9414
9415 * archive.cc (Archive::get_file_and_offset): Use filename instead
9416 of name to get library path.
9417 (Archive::include_member): Unlock external member of a thin archive.
9418
9419 * testsuite/Makefile.am (TEST_AR): New variable.
9420 (thin_archive_test_1): New test.
9421 (thin_archive_test_2): New test.
81636b3f
CC		 9422 * testsuite/Makefile.in: Regenerate.
9423 * testsuite/thin_archive_main.cc: New file.
9424 * testsuite/thin_archive_test_1.cc: New file.
9425 * testsuite/thin_archive_test_2.cc: New file.
9426 * testsuite/thin_archive_test_3.cc: New file.
9427 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 9428
eff45813
CC		 94292008-09-29 Cary Coutant <ccoutant@google.com>
9430
9431 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
9432 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
9433 instead of -1U.
9434 (Sized_relobj::do_finalize_local_symbols): Likewise.
9435 (Sized_relobj::map_to_kept_section): Likewise.
9436 * object.h (Sized_relobj::invalid_address): New constant.
9437 (Sized_relobj::do_output_section_offset): Check for invalid_address
9438 and return -1ULL.
9439 * output.cc (Output_reloc::local_section_offset): Use constant
9440 invalid_address instead of -1U.
9441 (Output_reloc::get_address): Likewise.
9442 (Output_section::output_address): Change -1U to -1ULL.
9443 * output.h (Output_reloc::invalid_address): New constant.
9444 * reloc.cc (Sized_relobj::write_sections): Use constant
9445 invalid_address instead of -1U.
9446 (Sized_relobj::relocate_sections): Likewise.
9447 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
9448 values for merge sections.
9449 * target-reloc.h (relocate_for_relocatable): Use constant
9450 invalid_address instead of -1U.
9451
89fc3421
CC		 94522008-09-19 Cary Coutant <ccoutant@google.com>
9453
9454 Add plugin functionality for link-time optimization (LTO).
9455 * configure.ac (plugins): Add --enable-plugins option.
9456 * configure: Regenerate.
9457 * config.in: Regenerate.
9458 * Makefile.am (LIBDL): New variable.
9459 (CCFILES): Add plugin.cc.
9460 (HFILES): Add plugin.h.
9461 (ldadd_var): Add LIBDL.
9462 * Makefile.in: Regenerate.
9463
9464 * archive.cc: Include "plugin.h".
9465 (Archive::setup): Don't preread archive symbols when using a plugin.
9466 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
9467 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
9468 files.
9469 (Archive::include_member): Add symbols from plugin objects.
9470 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
9471 * descriptors.cc (Descriptors::open): Check for file descriptors
9472 abandoned by plugins.
9473 (Descriptors::claim_for_plugin): New function.
9474 * descriptors.h (Descriptors::claim_for_plugin): New function.
9475 (Open_descriptor::is_claimed): New field.
9476 (claim_descriptor_for_plugin): New function.
9477 * fileread.cc (File_read::claim_for_plugin): New function.
9478 * fileread.h (File_read::claim_for_plugin): New function.
9479 (File_read::descriptor): New function.
9480 * gold.cc: Include "plugin.h".
9481 (queue_initial_tasks): Add task to call plugin hooks for generating
9482 new object files.
9483 * main.cc: Include "plugin.h".
9484 (main): Load plugin libraries.
9485 * object.h (Pluginobj): Declare.
9486 (Object::pluginobj): New function.
9487 (Object::do_pluginobj): New function.
9488 (Object::set_target): New function.
9489 * options.cc: Include "plugin.h".
9490 (General_options::parse_plugin): New function.
9491 (General_options::General_options): Initialize plugins_ field.
9492 (General_options::add_plugin): New function.
9493 * options.h (Plugin_manager): Declare.
9494 (General_options): Add --plugin option.
9495 (General_options::has_plugins): New function.
9496 (General_options::plugins): New function.
9497 (General_options::add_plugin): New function.
9498 (General_options::plugins_): New field.
9499 * plugin.cc: New file.
9500 * plugin.h: New file.
9501 * readsyms.cc: Include "plugin.h".
9502 (Read_symbols::do_read_symbols): Check for archive before checking
9503 for ELF file. Call plugin hooks to claim files.
9504 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
9505 from a real object file; force override when processing replacement
9506 files.
9507 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
9508 (Symbol::init_base_object): Likewise.
9509 (Symbol::init_base_output_data): Likewise.
9510 (Symbol::init_base_output_segment): Likewise.
9511 (Symbol::init_base_constant): Likewise.
9512 (Symbol::init_base_undefined): Likewise.
9513 (Symbol::output_section): Assert that object is not a plugin.
9514 (Symbol_table::add_from_pluginobj): New function.
9515 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
9516 undefined.
9517 (Symbol_table::sized_write_globals): Likewise.
9518 (Symbol_table::add_from_pluginobj): Instantiate template.
9519 * symtab.h (Sized_pluginobj): Declare.
9520 (Symbol::in_real_elf): New function.
9521 (Symbol::set_in_real_elf): New function.
9522 (Symbol::in_real_elf_): New field.
9523 (Symbol_table::add_from_pluginobj): New function.
9524
9525 * testsuite/Makefile.am (AM_CFLAGS): New variable.
9526 (LIBDL): New variable.
9527 (LDADD): Add LIBDL.
9528 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
9529 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
9530 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
9531 (MOSTLYCLEANFILES): Likewise.
9532 * testsuite/Makefile.in: Regenerate.
9533 * testsuite/plugin_test.c: New file.
9534 * testsuite/plugin_test_1.sh: New file.
9535 * testsuite/plugin_test_2.sh: New file.
9536
de31bda5
ILT		 95372008-09-16 Ian Lance Taylor <iant@google.com>
9538
9c2d0ef9
ILT		 9539 * target-reloc.h (relocate_section): Check whether a symbol is
9540 defined by the ABI before reporting an undefined symbol error.
9541 * target.h (Target::is_defined_by_abi): Make parameter const.
9542 (Target::do_is_defined_by_abi): Likewise.
9543 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
9544 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
9545 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
9546 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
9547 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
9548 * testsuite/Makefile.in: Rebuild.
9549
de31bda5
ILT		 9550 * fileread.cc (make_view): Add casts to avoid warning.
9551
9fa33bee
AO		 95522008-09-16 Alexandre Oliva <aoliva@redhat.com>
9553
9554 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
9555 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9556
183fd0e3
AO		 95572008-09-16 Alexandre Oliva <aoliva@redhat.com>
9558
9559 * options.h (General_options::output_is_executable): New.
9560 (General_options::output_is_pie): New.
9561 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
9562 for shared libraries.
9563 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
9564
7be8330a
CD		 95652008-09-11 Chris Demetriou <cgd@google.com>
9566
9567 * options.h (origin): New -z option.
9568 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
9569 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
9570 in DT_FLAGS_1.
9571
a9caad02
CC		 95722008-09-05 Cary Coutant <ccoutant@google.com>
9573
9574 * fileread.cc (File_read::make_view): Add check for attempt to map
9575 beyond end of file.
9576
ae6dce4d
CC		 95772008-09-05 Cary Coutant <ccoutant@google.com>
9578
9579 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
9580 explicit instantiations.
9581
d7ab2a47
KVH		 95822008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
9583
9584 PR gold/6858
9585 * options.cc (General_options::finalize): Allow undefined symbols
9586 in shlibs if linking -shared.
9587
9588 PR gold/6859
9589 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
9590 symbols as not needing a dynsym entry.
9591
1e52a9c1
CS		 95922008-08-20 Craig Silverstein <csilvers@google.com>
9593
9594 * fileread.cc (File_read::open): Do not lock the file unless it
9595 was successfully opened.
9596
d85c80a3
CC		 95972008-08-14 Cary Coutant <ccoutant@google.com>
9598
9599 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
9600 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
9601 * testsuite/tls_test.cc (struct int128): 128-bit struct
9602 for testing TLS relocs with non-zero addend.
9603 (v12): New TLS variable.
9604 (t12): New test.
9605 (t_last): Add check for v12.
9606 * testsuite/tls_test.h (t12): New function.
9607 * testsuite/tls_test_main.cc (thread_routine): Call new test.
9608
2d924fd9
ILT		 96092008-08-13 Ian Lance Taylor <iant@google.com>
9610
9611 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
9612 set tls_segment_ or relro_segment_.
9613 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
9614 when appropriate.
9615 * output.h (Output_section::clear_is_relro): New function.
9616 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
9617 sections specially even when output_data_ is empty.
9618 (Output_segment::maximum_alignment): When first section is relro,
9619 only force alignment for PT_LOAD segments.
9620 * script.cc (script_data_segment_align): New function.
9621 (script_data_segment_relro_end): New function.
9622 * script-c.h (script_data_segment_align): Declare.
9623 (script_data_segment_relro_end): Declare.
9624 * script-sections.h (class Script_sections): Declare
9625 data_segment_align and data_segment_relro_end. Add fields
9626 segment_align_index_ and saw_relro_end_.
9627 * script-sections.cc (class Sections_element): Add set_is_relro
9628 virtual function. Add new bool* parameter to place_orphan_here.
9629 Add get_output_section virtual function.
9630 (class Output_section_definition): Add set_is_relro. Add new
9631 bool* parameter to place_orphan_here. Add get_output_section.
9632 Add is_relro_ field.
9633 (Output_section_definition::Output_section_definition): Initialize
9634 evaluated_address_, evaluated_load_address, evaluated_addralign_,
9635 and is_relro_ fields.
9636 (Output_section_definition::place_orphan_here): Add is_relro
9637 parameter.
9638 (Output_section_definition::set_section_addresses): Set relro for
9639 output section.
9640 (Output_section_definition::alternate_constraint): Likewise.
9641 (class Orphan_output_section): Add new bool* parameter to
9642 place_orphan_here. Add get_output_section.
9643 (Orphan_output_section::place_orphan_here): Add is_relro
9644 parameter.
9645 (Script_sections::Script_sections): Initialize
9646 data_segment_align_index_ and saw_relro_end_.
9647 (Script_sections::data_segment_align): New function.
9648 (Script_sections::data_segment_relro_end): New function.
9649 (Script_sections::place_orphan): Set or clear is_relro.
9650 (Script_sections::set_section_addresses): Force alignment of first
9651 TLS section.
9652 * yyscript.y (exp): Call script_data_segment_align and
9653 script_data_segment_relro_end.
9654 * testsuite/relro_script_test.t: New file.
9655 * testsuite/relro_test.cc (using_script): Declare.
9656 (t1, t2): Test using_script.
9657 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
9658 (relro_script_test_SOURCES): Define.
9659 (relro_script_test_DEPENDENCIES): Define.
9660 (relro_script_test_LDFLAGS): Define.
9661 (relro_script_test_LDADD): Define.
9662 (relro_script_test.so): New target.
9663 * testsuite/Makefile.in: Rebuild.
9664
f827c9a9
CC		 96652008-08-06 Cary Coutant <ccoutant@google.com>
9666
9667 * archive.cc (Archive::total_archives, Archive::total_members)
9668 (Archive::total_members_loaded): New variables.
9669 (Archive::setup): Add parameter. Add option to preread
9670 archive symbols.
9671 (Archive::read_armap): Add counter.
9672 (Archive::get_file_and_offset): New function.
9673 (Archive::get_elf_object_for_member): New function.
9674 (Archive::read_all_symbols): New function.
9675 (Archive::read_symbols): New function.
9676 (Archive::add_symbols): Add counters.
9677 (Archive::include_all_members): Use armap to find members if it's
9678 already built.
9679 (Archive::include_member): Skip reading symbols if already read.
9680 Factored code into Archive::get_file_and_offset and
9681 Archive::get_elf_object_for_member. Changed call to
9682 Mapfile::report_include_archive_member.
9683 (Archive::print_stats): New function.
9684 * archive.h: Declare Object and Read_symbols_data classes.
9685 (Archive::Archive): Add initializers for new members.
9686 (Archive::setup): Add parameter.
9687 (Archive::print_stats): New function.
9688 (Archive::total_archives, Archive::total_members)
9689 (Archive::total_members_loaded): New variables.
9690 (Archive::get_file_and_offset): New function.
9691 (Archive::get_elf_object_for_member): New function.
9692 (Archive::read_all_symbols): New function.
9693 (Archive::read_symbols): New function.
9694 (Archive::Archive_member): New class.
9695 (Archive::members_): New member.
9696 (Archive::num_members_): New member.
9697 * main.cc: Include archive.h.
9698 (main): Call Archive::print_stats.
9699 * mapfile.cc (Mapfile::report_include_archive_member): Delete
9700 archive parameter; member_name is now the fully-decorated name.
9701 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
9702 * options.h: (General_options): Add --preread-archive-symbols option.
9703 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
9704 Archive::setup.
9705
de4c45bd
ILT		 97062008-08-04 Ian Lance Taylor <iant@google.com>
9707
9708 * symtab.h (Symbol::use_plt_offset): New function.
9709 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
9710 * powerpc.cc (Relocate::relocate): Likewise.
9711 * sparc.cc (Relocate::relocate): Likewise.
9712 * x86_64.cc (Relocate::relocate): Likewise.
9713 * testsuite/weak_plt.sh: New test.
9714 * testsuite/weak_plt_main.cc: New test.
9715 * testsuite/weak_plt_shared.cc: New test.
9716 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
9717 (check_PROGRAMS): Add weak_plt.
9718 (check_DATA): Add weak_plt_shared.so.
9719 (weak_plt_main_pic.o, weak_plt): New targets.
9720 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
9721 * testsuite/Makefile.in: Rebuild.
9722
9723 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
9724 gcctestdir/ld.
9725 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
9726 * testsuite/Makefile.in: Rebuild.
9727
323ee3f4
AM		 97282008-08-04 Alan Modra <amodra@bigpond.net.au>
9729
9730 * Makefile.am (POTFILES.in): Set LC_ALL=C.
9731 * Makefile.in: Regenerate.
9732 * po/POTFILES.in: Regenerate.
9733
7c07ecec
ILT		 97342008-07-29 Ian Lance Taylor <iant@google.com>
9735
9736 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
9737 symbols before other symbols.
9738 * testsuite/script_test_2.cc (test_addr): Declare.
9739 (test_addr_alias): Declare.
9740 (main): Check that test_addr and test_addr_alias have the right
cd536b21 9741 values.
7c07ecec
ILT		 9742 * testsuite/script_test_2.t: Define test_addr_alias and
9743 test_addr.
9744
5778530e
ILT		 97452008-07-24 Ian Lance Taylor <iant@google.com>
9746
2a00e4fb
ILT		 9747 PR 5990
9748 * descriptors.cc: New file.
9749 * descriptors.h: New file.
9750 * gold-threads.h (class Hold_optional_lock): New class.
9751 * fileread.cc: Include "descriptors.h".
9752 (File_read::~File_read): Release descriptor rather than closing
9753 it.
9754 (File_read::open) [file]: Call open_descriptor rather than open.
9755 Set is_descriptor_opened_.
9756 (File_read::open) [memory]: Assert that descriptor is not open.
9757 (File_read::reopen_descriptor): New function.
9758 (File_read::release): Release descriptor.
9759 (File_read::do_read): Make non-const. Reopen descriptor.
9760 (File_read::read): Make non-const.
9761 (File_read::make_view): Reopen descriptor.
9762 (File_read::do_readv): Likewise.
9763 * fileread.h (class File_read): Add is_descriptor_opened_ field.
9764 Update declarations.
9765 * layout.cc: Include "descriptors.h".
9766 (Layout::create_build_id): Use open_descriptor rather than open.
9767 * output.cc: Include "descriptors.h".
9768 (Output_file::open): Use open_descriptor rather than open.
9769 * archive.cc (Archive::const_iterator): Change Archive to be
9770 non-const.
9771 (Archive::begin, Archive::end): Make non-const.
9772 (Archive::count_members): Likewise.
9773 * archive.h (class Archive): Update declarations.
9774 * object.h (Object::read): Make non-const.
9775 * Makefile.am (CCFILES): Add descriptors.cc.
9776 (HFILES): Add descriptors.h.
9777 * Makefile.in: Rebuild.
9778
801647d1
ILT		 9779 PR 6716
9780 * gold.h: Always include <clocale>. Add Solaris workarounds
9781 following code in binutils/sysdep.h.
9782
5edd166e
ILT		 9783 PR 6048
9784 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
9785 this->eh_frame_hdr_ is NULL before using it.
9786
c89ad728
ILT		 9787 * dynobj.cc (Versions::Versions): Update comment.
9788
aa86f06b
ILT		 9789 * dynobj.cc (Versions::Versions): If there is an soname, use it as
9790 the base version name.
9791
5778530e
ILT		 9792 * stringpool.cc (Stringpool_template::add_with_length): Set key to
9793 array size plus one.
9794 (Stringpool_template::set_string_offsets): Subtract one from key
9795 before using it as an array index.
9796 (Stringpool_template::get_offset_with_length): Likewise.
9797 (Stringpool_template::write_to_buffer): Likewise.
9798 * stringpool.h (Stringpool_template::get_offset_from_key):
9799 Likewise.
9800
057ead22
ILT		 98012008-07-23 Ian Lance Taylor <iant@google.com>
9802
7f649c59
ILT		 9803 PR 6658
9804 * object.h (Merged_symbol_value::value): Do our best to handle a
9805 negative addend.
9806
057ead22
ILT		 9807 PR 6647
9808 * script.cc (Version_script_info::get_versions): Don't add empty
9809 version tag to return value.
9810 (Version_script_info::get_symbol_version_helper): Change return
9811 type to bool. Add pversion parameter. Change all callers.
9812 (script_register_vers_node): Don't require a non-NULL tag.
9813 * script.h (class Version_script_info): Update declarations.
9814 (Version_script_info::get_symbol_version): Change return type to
9815 bool. Add version parameter. Change all callers.
9816 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
9817 handling. Handle an empty version from a version script.
9818 (Symbol_table::define_special_symbol): Likewise.
9819 * testsuite/ver_test_10.script: New file.
9820 * testsuite/ver_test_10.sh: New file.
9821 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
9822 (check_DATA): Add ver_test_10.syms.
9823 (ver_test_10.syms, ver_test_10.so): New target.
9824 * testsuite/Makefile.in: Rebuild.
9825
58e54ac2
CD		 98262008-07-23 Simon Baldwin <simonb@google.com>
9827
9828 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
9829 to zero for undefined symbols from dynamic libraries.
9830
95d14cd3
ILT		 98312008-07-23 Ian Lance Taylor <iant@google.com>
9832
9833 * symtab.cc (Symbol_table::resolve): Remove version parameter.
9834 Change all callers.
9835 * symtab.h (class Symbol_table): Update declaration.
9836 * testsuite/ver_test_9.cc: New file.
9837 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
9838 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
9839 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
9840 (ver_test_9.so, ver_test_9.o): New targets.
9841 * testsuite/Makefile.in: Rebuild.
9842
92de84a6
ILT		 98432008-07-22 Ian Lance Taylor <iant@google.com>
9844
34810851
ILT		 9845 * options.h (class General_options): Define --check-sections.
9846 * layout.cc (Layout::set_segment_offsets): Handle
9847 --check-sections.
9848
af6156ef
ILT		 9849 * options.h (class General_options): Define -n/--nmagic and
9850 -N/--omagic.
9851 * options.cc (General_options::finalize): For -n/--nmagic or
9852 -N/--omagic, set -static.
9853 * layout.cc (Layout::attach_allocated_section_to_segment): If
9854 -N/--omagic, don't put read-only and read-write sections in
9855 different segments.
9856 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
9857 finding a read-only segment.
9858 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
9859 don't set the minimum segment alignment to the common page size,
9860 and don't set the file offset to the address modulo the page size.
9861 * script-sections.cc (Script_sections::create_segments): If
9862 -n/--omagic, don't put read-only and read-write sections in
9863 different segments.
9864
92de84a6
ILT		 9865 * cref.cc: New file.
9866 * cref.h: New file.
9867 * options.h (class General_options): Add --print-symbol-counts.
9868 * main.cc (main): Issue defined symbol report if requested.
9869 * archive.cc (Archive::interpret_header): Make into a const member
9870 function.
9871 (Archive::add_symbols): Call Input_objects::archive_start and
9872 archive_stop.
9873 (Archive::const_iterator): Define new class.
9874 (Archive::begin, Archive::end): New functions.
9875 (Archive::include_all_members): Rewrite to use iterator.
9876 (Archive::count_members): New function.
9877 * archive.h (class Archive): Update declarations.
9878 (Archive::filename): New function.
9879 * object.cc: Include "cref.h".
9880 (Sized_relobj::Sized_relobj): Initialize defined_count_.
9881 (Sized_relobj::do_get_global_symbol_counts): New function.
9882 (Input_objects::add_object): Add object to cross-referencer.
9883 (Input_objects::archive_start): New function.
9884 (Input_objects::archive_stop): New function.
9885 (Input_objects::print_symbol_counts): New function.
9886 * object.h: Declare Cref and Archive.
9887 (Object::get_global_symbol_counts): New function.
9888 (Object::do_get_global_symbol_counts): New pure virtual function.
9889 (class Sized_relobj): Add defined_count_ field. Update
9890 declarations.
9891 (class Input_objects): Add cref_ field. Update constructor.
9892 Update declarations.
9893 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
9894 defined_count_.
9895 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
9896 symbol counts.
9897 (Sized_dynobj::do_get_global_symbol_counts): New function.
9898 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
9899 defined_count_. Update declarations. Define Symbols typedef.
9900 * symtab.cc (Symbol_table::add_from_relobj): Add defined
9901 parameter. Change all callers.
9902 (Symbol_table::add_from_dynobj): Add sympointers and defined
9903 parameters. Change all callers.
9904 * symtab.h (class Symbol_table): Update declarations.
9905 * Makefile.am (CCFILES): Add cref.cc.
9906 (HFILES): Add cref.h.
9907 * Makefile.in: Rebuild.
9908
3f7c5e1d
CD		 99092008-07-22 Simon Baldwin <simonb@google.com>
9910
9911 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
9912 to zero when writing undefined symbols.
9913
e0b64032
ILT		 99142008-07-22 Ian Lance Taylor <iant@google.com>
9915
9916 * output.cc (Output_section::add_input_section): Don't try to
9917 merge empty merge sections.
9918
096b02cf
CS		 99192008-07-21 Craig Silverstein <csilvers@google.com>
9920
9921 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
9922 Include symbol version in error message.
cd536b21 9923
1d1f116d
CD		 99242008-07-20 Chris Demetriou <cgd@google.com>
9925
cd536b21 9926 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 9927 (RANDOM_SEED_CFLAGS): New substituted variable.
9928 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
9929 * configure: Rebuild.
9930 * Makefile.in: Likewise.
9931 * testsuite/Makefile.in: Likewise.
9932
a18f591e
ILT		 99332008-07-18 Ian Lance Taylor <iant@google.com>
9934
9935 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
9936 where we see NAME/NULL and NAME/VERSION as separate symbols.
9937 * testsuite/ver_test_main.cc (main): Call t4.
9938 (t4, t4_2a): Define.
9939 * testsuite/ver_test_2.cc (t4_2): Define.
9940 * testsuite/ver_test_2.script: Put t4_2a in VER2.
9941 * testsuite/ver_test_4.cc (t4_2a): Define.
9942 * testsuite/ver_test_4.script: Put t4_2a in VER2.
9943 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
9944
c6e3f6ed
ILT		 99452008-07-17 Ian Lance Taylor <iant@google.com>
9946
9947 * dynobj.cc (Versions::add_def): If we give an error about a
9948 missing version, go ahead and create the version anyhow.
9949
ef9beddf
ILT		 99502008-07-10 Ian Lance Taylor <iant@google.com>
9951
9952 Handle output sections with more than 0x7fffffff bytes.
9953 * object.h (class Relobj): Change map_to_output_ to
9954 output_sections_, and just keep a section pointer. Change all
9955 uses. Move comdat group support to Sized_relobj.
9956 (Relobj::is_section_specially_mapped): Remove.
9957 (Relobj::output_section): Remove poff parameter. Change all
9958 callers.
9959 (Relobj::output_section_offset): New function.
9960 (Relobj::set_section_offset): Rewrite.
9961 (Relobj::map_to_output): Remove.
9962 (Relobj::output_sections): New function.
9963 (Relobj::do_output_section_offset): New pure virtual function.
9964 (Relobj::do_set_section_offset): Likewise.
9965 (class Sized_relobj): Add section_offsets_ field. Add comdat
9966 group support from Relobj. Update declarations.
9967 (Sized_relobj::get_output_section_offset): New function.
9968 (Sized_relobj::do_output_section_offset): New function.
9969 (Sized_relobj::do_set_section_offset): New function.
9970 * object.cc (Relobj::output_section_address): Remove.
9971 (Sized_relobj::Sized_relobj): Initialize new fields.
9972 (Sized_relobj::include_section_group): Cast find_kept_object to
9973 Sized_relobj.
9974 (Sized_relobj::include_linkonce_section): Likewise.
9975 (Sized_relobj::do_layout): Use separate arrays for output section
9976 and output offset.
9977 (Sized_relobj::do_count_local_symbols): Change map_to_output to
9978 output_sections.
9979 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
9980 output_sections and section_offsets.
9981 (Sized_relobj::write_local_symbols): Likewise.
9982 (map_to_kept_section): Compute output address directly.
9983 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
9984 output_sections and section_offsets.
9985 (Sized_relobj::write_sections): Likewise.
9986 (Sized_relobj::relocate_sections): Likewise.
9987 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
9988 * output.h (class Output_reloc): Update declarations. Change
9989 u2_.relobj to Sized_relobj*.
9990 (class Output_data_reloc): Change add functions to use
9991 Sized_relobj*.
9992 * output.cc (Output_reloc::Output_reloc): Change relobj to
9993 Sized_relobj*.
9994 (Output_reloc::local_section_offset): Change return type to
9995 Elf_Addr. Use get_output_section_offset.
9996 (Output_reloc::get_address): Likewise.
9997 (Output_section::is_input_address_mapped): Don't call
9998 is_section_specially_mapped.
9999 (Output_section::output_offset): Likewise.
10000 (Output_section::output_address): Likewise.
10001 (Output_section::starting_output_address): Likewise.
10002 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
10003 parameter to Sized_relobj*.
10004 (Copy_relocs::need_copy_reloc): Likewise.
10005 (Copy_relocs::save): Likewise.
10006 * copy-relocs.h (class Copy_relocs): Update declarations.
10007 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
10008 Sized_relobj*. Change relobj_ field to Sized_relobj*.
10009 * target-reloc.h (relocate_for_relocatable): Change
10010 offset_in_output_section type to Elf_Addr. Change code that uses
10011 it as well.
10012 * layout.cc (Layout::layout): Always set *off.
10013 * mapfile.cc (Mapfile::print_input_section): Use
10014 output_section_offset.
10015 * i386.cc (Target_i386::copy_reloc): Change object parameter to
10016 Sized_relobj*.
10017 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
10018 * sparc.cc (Target_sparc::copy_reloc): Likewise.
10019 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
10020
5cb66f97
ILT		 100212008-07-03 Ian Lance Taylor <iant@google.com>
10022
10023 * layout.cc (Layout::include_section): Do not discard unrecognized
10024 SHT_STRTAB sections.
10025
afe47622
CS		 100262008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
10027
10028 * script.cc (Lex::can_continue_name): Make '?' allowable in
10029 version-script names.
10030 * testsuite/version_script.map: Change glob pattern to use '?'
10031
5adf9721
ILT		 100322008-06-30 Manish Singh <yosh@gimp.org>
10033
10034 PR 6585
10035 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
10036 Correct typo.
10037
e6fde208
ILT		 100382008-06-30 Ian Lance Taylor <iant@google.com>
10039
10040 PR 6660
10041 PR 6682
10042 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
10043 versions]: Don't try to read the value in the contents, since we
10044 don't use it. Use the template endianness when writing.
10045
3f2e6a2d
CC		 100462008-06-25 Cary Coutant <ccoutant@google.com>
10047
10048 * fileread.cc (File_read::make_view): Assert on zero-length view.
10049 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
10050 symbol table when there are no symbols to read.
10051
c43d3a48
CS		 100522008-06-23 Craig Silverstein <csilvers@google.com>
10053
10054 * version.cc (version_string): Bump to 1.7
10055
5f494ea0
CS		 100562008-06-18 Craig Silverstein <csilvers@google.com>
10057
10058 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
10059 constant 0xFFFF to type Valtype.
10060 (Powerpc_relocate_functions::rel16_ha): Likewise.
10061
c42e122e
ILT		 100622008-06-17 Ian Lance Taylor <iant@google.com>
10063
f34787f8
ILT		 10064 * output.h (Output_section::Input_section): Initialize p2align_ to
10065 zero for Output_section_data constructors.
10066 (Output_section::Input_section::addralign): If not an input
10067 section, return the alignment of the Output_section_data.
10068 * testsuite/copy_test.cc: New file.
10069 * testsuite/copy_test_1.cc: New file.
10070 * testsuite/copy_test_2.cc: New file.
10071 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
10072 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
10073 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
10074 (copy_test_1_pic.o, copy_test_1.so): New targets.
10075 (copy_test_2_pic.o, copy_test_2.so): New targets.
10076 * testsuite/Makefile.in: Rebuild.
10077
c42e122e
ILT		 10078 * script-sections.cc (Script_sections::place_orphan): Initialize
10079 local variable exact.
10080
ce3ac18a
DE		 100812008-06-13 David Edelsohn <edelsohn@gnu.org>
10082
10083 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
10084
42cacb20
DE		 100852008-06-12 David Edelsohn <edelsohn@gnu.org>
10086 David S. Miller <davem@davemloft.net>
10087
10088 * powerpc.cc: New file.
10089 * Makefile.am (TARGETSOURCES): Add powerpc.cc
10090 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
10091 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
10092 * Makefile.in: Rebuild.
10093
7b308235
ILT		 100942008-06-09 Ian Lance Taylor <iant@google.com>
10095
10096 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
10097 <exception>.
10098 (throwing, orig_terminate): New static variables.
10099 (terminate_handler): New static function.
10100 (t2): Set terminate handler.
10101
f0b886e3
ILT		 101022008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
10103
10104 PR 6584
cd536b21 10105 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 10106 alignment.
10107
3e90f135
CC		 101082008-05-30 Cary Coutant <ccoutant@google.com>
10109
10110 * archive.cc (Archive::include_all_members) Correct to step
10111 over symbol table and extended name table in thin archives.
10112
e09ad04a
ILT		 101132008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
10114
10115 PR 6407
10116 * target-reloc.h (relocate_for_relocatable): Fix new_offset
10117 calculation.
10118
62b01cb5
ILT		 101192008-05-28 Caleb Howe <cshowe@google.com>
10120
10121 * reduced_debug_output.cc: New file.
10122 * reduced_debug_output.h: New file.
92de84a6 10123 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 10124 * options.cc (General_options::finalize): Add strip_debug_non_line
10125 to the strip heirarchy.
10126 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
10127 fields.
10128 * layout.cc: Include "reduced_debug_output.h".
10129 (Layout::Layout): Initialize new fields.
10130 (line_only_debug_sections): New static array.
10131 (is_lines_only_debug_sections): New static inline function.
10132 (Layout::include_section): Handle --strip-debug-non-line.
10133 (Layout::make_output_section): If --strip-debug-non-line, build
10134 new output sections for .debug_abbrev and .debug_info.
10135 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
10136 gold. Warn about possible overflow.
10137 (read_signed_LEB_128): Likewise.
10138 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
10139 (read_signed_LEB_128): Declare.
10140 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
10141 (HFILES): Add reduced_debug_output.h.
10142 * Makefile.in: Rebuild.
10143
7d9e3d98
ILT		 101442008-05-21 Ian Lance Taylor <iant@google.com>
10145
10146 * mapfile.cc: New file.
10147 * mapfile.h: New file.
10148 * options.h (class General_options): Add -M/--print-map and -Map.
10149 * options.cc (General_options::finalize): Make -M equivalent to
10150 -Map -.
10151 * main.cc: Include <cstdio> and "mapfile.h".
10152 (main): Open mapfile if requested.
10153 * gold.cc (class Middle_runner): Add mapfile_ field. Update
10154 constructor. Change caller.
10155 (queue_initial_tasks): Add mapfile parameter. Change caller.
10156 (queue_middle_tasks): Likewise.
10157 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
10158 declarations.
10159 * archive.cc: Include "mapfile.h".
10160 (Archive::add_symbols): Add mapfile parameter. Change all
10161 callers. Pass mapfile, symbol, and reason to include_member.
10162 (Archive::include_all_members): Add mapfile parameter. Change all
10163 callers.
10164 (Archive::include_member): Add mapfile, sym, and why parameters.
10165 Change all callers. Report inclusion to map file.
10166 * archive.h: Include "fileread.h".
10167 (class Archive): Update declarations.
10168 (Archive::file): New const method.
10169 (class Add_archive_symbols): Add mapfile_ field. Update
10170 constructor. Change all callers.
10171 * readsyms.h (class Read_symbols): Likewise.
10172 (class Finish_group): Likewise.
10173 (class Read_script): Likewise.
10174 * common.cc: Include "mapfile.h".
10175 (Symbol_table::allocate_commons): Add mapfile parameter. Change
10176 all callers.
10177 (Symbol_table::do_allocate_commons): Likewise.
10178 (Symbol_table::do_allocate_commons_list): Likewise. Report common
10179 symbol allocation to mapfile.
10180 * common.h (class Allocate_commons_task): Add mapfile_ field.
10181 Update constructor. Change all callers.
10182 * symtab.h (class Symbol_table): Update declarations.
10183 * layout.cc: Include "mapfile.h".
10184 (Layout_task_runner::run): Print information to mapfile.
10185 (Layout::create_gold_note): Change Output_data_fixed_space to
10186 Output_data_zero_fill.
10187 (Layout::create_build_id): Likewise.
10188 (Layout::print_to_mapfile): New function.
10189 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
10190 constructor. Change caller.
10191 (class Layout): Declare print_to_mapfile.
10192 * output.cc (Output_section::Input_section::print_to_mapfile): New
10193 function.
10194 (Output_section::add_input_section): If producing a map, always
10195 add to input_sections_ list.
10196 (Output_section::do_print_to_mapfile): New function.
10197 (Output_segment::print_sections_to_mapfile): New function.
10198 (Output_segment::print_section_list_to_mapfile): New function.
10199 * output.h: Include "mapfile.h".
10200 (Output_data::print_to_mapfile): New function.
10201 (Output_data::do_print_to_mapfile): New virtual function.
10202 (Output_segment_headers::do_print_to_mapfile): New function.
10203 (Output_file_header::do_print_to_mapfile): New function.
10204 (Output_data_const::do_print_to_mapfile): New function.
10205 (class Output_data_const_buffer): Add map_name_ field. Update
10206 constructor. Change all callers. Add do_print_to_mapfile
10207 function.
10208 (class Output_data_fixed_space): Likewise.
10209 (class Output_data_space): Likewise.
10210 (class Output_data_zero_fill): New class.
10211 (Output_data_strtab::do_print_to_mapfile): New function.
10212 (Output_data_reloc_base::do_print_to_mapfile): New function.
10213 (Output_relocatable_relocs::do_print_to_mapfile): New function.
10214 (Output_data_group::do_print_to_mapfile): New function.
10215 (Output_data_got::do_print_to_mapfile): New function.
10216 (Output_data_dynamic::do_print_to_mapfile): New function.
10217 (Output_symtab_xindex::do_print_to_mapfile): New function.
10218 (class Output_section): Declare do_print_to_mapflie. Declare
10219 print_to_mapfile in Input_section.
10220 (class Output_segment): Declare new functions.
10221 * object.h (Sized_relobj::symbol_count): New function.
10222 * script-sections.cc
10223 (Output_section_element_dot_assignment::set_section_addresses):
10224 Change Output_data_fixed_space to Output_data_zero_fill.
10225 (Output_data_expression::do_print_to_mapfile): New function.
10226 * script.cc (read_input_script): Add mapfile parameter. Change
10227 all callers.
10228 * script.h (read_input_script): Update declaration.
10229 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
10230 (Eh_frame::do_print_to_mapfile): New function.
10231 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
10232 (Output_merge_string::do_print_to_mapfile): New function.
10233 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
10234 function.
10235 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
10236 function.
10237 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
10238 function.
10239 * Makefile.am (CCFILES): Add mapfile.cc.
10240 (HFILES): Add mapfile.h.
10241 * Makefile.in: Rebuild.
10242
9f1d377b
ILT		 102432008-05-19 Ian Lance Taylor <iant@google.com>
10244
10245 * options.h (class General_options): Add -z relro.
10246 * layout.cc (Layout::Layout): Initialize relro_segment_.
10247 (Layout::add_output_section_data): Return the output section.
10248 (Layout::make_output_section): Rcognize relro sections and mark
10249 them appropriately.
10250 (Layout::attach_allocated_section_to_segment): Put relro sections
10251 in a PT_GNU_RELRO segment.
10252 (Layout::create_initial_dynamic_sections): Mark the .dynamic
10253 section as relro.
10254 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
10255 PT_TLS segments.
10256 (Layout::linkonce_mapping): Map d.rel.ro.local to
10257 .data.rel.ro.local.
10258 (Layout::output_section_name): Us .data.rel.ro.local for any
10259 section which begins with that.
10260 * layout.h (class Layout): Update add_output_section_data
10261 declaration. Add relro_segment_ field.
10262 * output.cc (Output_section::Output_section): Initialize is_relro_
10263 and is_relro_local_ fields.
10264 (Output_segment::add_output_section): Group relro sections.
10265 (Output_segment::is_first_section_relro): New function.
10266 (Output_segment::maximum_alignment): If there is a relro section,
10267 align the segment to the common page size.
10268 (Output_segment::set_section_addresses): Track whether we are
10269 looking at relro sections. If the last section is a relro
10270 section, align to the common page size.
10271 (Output_segment::set_section_list_addresses): Add in_relro
10272 parameter. Change all callers. Align to the page size when
10273 moving from relro to non-relro section.
10274 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
10275 segment.
10276 * output.h (class Output_section): Add is_relro_ and
10277 is_relro_local_ fields.
10278 (Output_section::is_relro): New function.
10279 (Output_section::set_is_relro): New function.
10280 (Output_section::is_relro_local): New function.
10281 (Output_section::set_is_relro_local): New function.
10282 (class Output_segment): Update declarations.
10283 * i386.cc (Target_i386::got_section): Mark .got section as relro.
10284 * sparc.cc (Target_sparc::got_section): Likewise.
10285 * x86_64.cc (Target_x86_64::got_section): Likewise.
10286 * testsuite/relro_test_main.cc: New file.
10287 * testsuite/relro_test.cc: New file.
10288 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
10289 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
10290 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
10291 (relro_test.so, relro_test_pic.o): New targets.
10292 * testsuite/Makefile.in: Rebuild.
10293
a984ee1d
ILT		 102942008-05-16 Ian Lance Taylor <iant@google.com>
10295
01676dcd
ILT		 10296 * output.cc (Output_segment::add_output_section): Remove front
10297 parameter.
10298 * output.h (class Output_segment): Remove
10299 add_initial_output_section and overloaded add_output_section.
10300 Update declaration of remaining add_output_section.
10301 * layout.cc (Layout::create_interp): Call add_output_section
10302 rather than add_initial_output_section.
10303 (Layout::finish_dynamic_section): Likewise.
10304
497897f9
ILT		 10305 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
10306 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
10307 know the dynamic type.
10308 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
10309 field. Initialize it in constructor.
10310 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
10311 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
10312 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
10313 reloc.
10314
a984ee1d
ILT		 10315 * output.cc (Output_reloc::get_address): Change return type to
10316 Elf_Addr.
10317 * output.h (class Output_reloc): Update get_address declaration.
10318 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
10319 for section addresses.
10320
55ba0940
ILT		 103212008-05-09 Ian Lance Taylor <iant@google.com>
10322
10323 PR 6493
10324 * gold.cc (gold_nomem): Use return value of write.
10325
75517b77
ILT		 103262008-05-08 Ian Lance Taylor <iant@google.com>
10327
10328 * symtab.c (Symbol::init_base_output_data): Add version
10329 parameter. Change all callers.
10330 (Symbol::init_base_output_segment): Likewise.
10331 (Symbol::init_base_constant): Likewise.
10332 (Symbol::init_base_undefined): Likewise.
10333 (Sized_symbol::init_output_data): Likewise.
10334 (Sized_symbol::init_output_segment): Likewise.
10335 (Sized_symbol::init_constant): Likewise.
10336 (Sized_symbol::init_undefined): Likewise.
10337 (Symbol_table::do_define_in_output_data): If the new symbol has a
10338 version, mark it as the default.
10339 (Symbol_table::do_define_in_output_segment): Likewise.
10340 (Symbol_table::do_define_as_constant): Likewise.
10341 * symtab.h (class Symbol): Update declarations.
10342 (class Sized_symbol): Likewise.
10343 * resolve.cc (Symbol::override_version): New function.
c42e122e 10344 (Symbol::override_base): Call override_version.
75517b77
ILT		 10345 (Symbol::override_base_with_special): Likewise.
10346 * testsuite/ver_script_8.script: New file.
10347 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
10348 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
10349 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
10350 (ver_test_8_1.so, ver_test_8_2.so): New targets.
10351
f1f70eae
ILT		 103522008-05-06 Ian Lance Taylor <iant@google.com>
10353
f3e9c5c5
ILT		 10354 PR 6049
10355 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
10356 functions.
10357 (class General_options): Remove existing --undefined, and add
10358 --no-undefined instead. Add new --undefined as synonym for -u.
10359 * archive.cc (Archive::add_symbols): Check whether symbol was
10360 named with -u.
10361 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
10362 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
10363 all uses. Add IS_UNDEFINED. Update declarations to split
10364 different versions of init_base. Declare init_base_undefined.
10365 (Symbol::is_defined): Handle IS_UNDEFINED.
10366 (Symbol::is_undefined): Likewise.
10367 (Symbol::is_weak_undefined): Call is_undefined.
10368 (Symbol::is_absolute): Handle IS_CONSTANT.
10369 (class Sized_symbol): Update declarations to split different
10370 versions of init. Declare init_undefined.
10371 (class Symbol_table): Declare new functions.
10372 * symtab.cc (Symbol::init_base_object): Rename from init_base.
10373 Change all callers.
10374 (Symbol::init_base_output_data): Likewise.
10375 (Symbol::init_base_output_segment): Likewise.
10376 (Symbol::init_base_constant): Likewise.
10377 (Symbol::init_base_undefined): New function.
10378 (Sized_symbol::init_object): Rename from init. Change all
10379 callers.
10380 (Sized_symbol::init_output_data): Likewise.
10381 (Sized_symbol::init_output_segment): Likewise.
10382 (Sized_symbol::init_constant): Likewise.
10383 (Sized_symbol::init_undefined): New function.
10384 (Symbol_table::add_undefined_symbols_from_command_line): New
10385 function.
10386 (Symbol_table::do_add_undefined_symbols_from_command_line): New
10387 function.
10388 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
10389 (Symbol::output_section): Likewise.
10390 (Symbol::set_output_section): Likewise.
10391 (Symbol_table::sized_finalize_symbol): Likewise.
10392 (Symbol_table::sized_write_globals): Likewise.
10393 * resolve.cc (Symbol_table::should_override): Likewise.
10394 (Symbol::override_base_with_special): Likewise.
10395
8bdcdf2c
ILT		 10396 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
10397 symbol, change it to have default visibility.
10398 * testsuite/protected_1.cc: New file.
10399 * testsuite/protected_2.cc: New file.
10400 * testsuite/protected_3.cc: New file.
10401 * testsuite/protected_main_1.cc: New file.
10402 * testsuite/protected_main_2.cc: New file.
10403 * testsuite/protected_main_3.cc: New file.
10404 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
10405 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
10406 (protected_1_LDFLAGS, protected_1_LDADD): Define.
10407 (protected_1.so): New target.
10408 (protected_1_pic.o, protected_2_pic.o): New targets.
10409 (protected_3_pic.o): New target.
10410 (check_PROGRAMS): Add protected_2.
10411 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
10412 (protected_2_LDFLAGS, protected_2_LDADD): Define.
10413 * testsuite/Makefile.in: Rebuild.
10414
2b706932
ILT		 10415 * options.h (DEFINE_var): Add set_user_set_##varname__.
10416 (DEFINE_bool_alias): New macro.
10417 (class General_options): Define -Bstatic using DEFINE_bool_alias
10418 rather than DEFINE_special. Add --undefined as an alias for -z
10419 defs.
10420 * options.cc (General_options::parse_Bstatic): Remove.
10421
d82a5bcc
ILT		 10422 * options.h (class General_options): Add --fatal-warnings.
10423 * main.cc (main): Implement --fatal-warnings.
10424 * errors.h (Errors::warning_count): New function.
10425
f1f70eae
ILT		 10426 * options.h (class General_options): Add -Bsymbolic-functions.
10427 * symtab.h (Symbol::is_preemptible): Check for
10428 -Bsymbolic-functions.
10429
8825ac63
ILT		 104302008-05-05 Ian Lance Taylor <iant@google.com>
10431
d98bc257
ILT		 10432 * options.h (DEFINE_bool): For DASH_Z, create the negative option
10433 as noVARNAME rather than no-VARNAME.
10434 (class General_options): Add option -z combreloc.
10435 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
10436 get_address.
10437 (Output_reloc::sort_before) [SHT_REL]: New function.
10438 (Output_reloc::sort_before) [SHT_RELA]: New function.
10439 (class Output_data_reloc_base): Add sort_relocs_ field. Define
10440 Sort_relocs_comparison.
10441 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
10442 parameter. Change all callers.
10443 (Output_data_reloc::Output_data_reloc) [both versions]: Add
10444 sort_relocs parameter. Change all callers.
10445 * output.cc (Output_reloc::get_address): New function, broken out
10446 of write_rel.
10447 (Output_reloc::write_rel): Call it.
10448 (Output_reloc::compare): New function.
10449 (Output_data_reloc_base::do_write): Optionally sort relocs.
10450
60b2b4e7
ILT		 10451 * configure.ac: If targ_extra_obj is set, link it in.
10452 * configure.tgt: Initialize all variables.
10453 (x86_64*): Set targ_extra_obj and targ_extra_size.
10454 * configure: Rebuild.
10455
8825ac63
ILT		 10456 * object.cc (Sized_relobj::include_section_group): Adjust section
10457 indexes read from group data. Build vector to pass to
10458 layout_group.
10459 * layout.cc (Layout::layout_group): Add flags and shndxes
10460 parameters. Remove contents parameter. Change caller. Update
10461 explicit instantiations.
10462 * layout.h (class Layout): Update layout_group declaration.
10463 * output.cc (Output_data_group::Output_data_group): Add flags and
10464 input_shndxes parameters. Remove contents parameter. Change
10465 caller.
10466 (Output_data_group::do_write): Change input_sections_ to
10467 input_shndxes_.
10468 * output.h (class Output_data_group): Update constructor
10469 declaration. Rename input_sections_ to input_shndxes_.
10470 * testsuite/many_sections_test.cc: Add template.
10471
e94cf127
CC		 104722008-04-30 Cary Coutant <ccoutant@google.com>
10473
4418b2d5
CC		 10474 * target-reloc.h (relocate_section): Fix dead-pointer bug.
10475
e94cf127
CC		 10476 * layout.cc (Layout::include_section): Refactored check for debug
10477 info section.
10478 (Layout::add_comdat): Add new parameters. Change type
10479 of signature parameter. Add object and shndx to signatures table.
10480 (Layout::find_kept_object): New function.
10481 * layout.h: Include <cstring>.
10482 (Layout::is_debug_info_section): New function.
10483 (Layout::add_comdat): Add new parameters.
10484 (Layout::find_kept_object): New function.
10485 (Layout::Kept_section): New struct.
10486 (Layout::Signatures): Change type of map range.
10487 * object.cc (Relobj::output_section_address): New function.
10488 (Sized_relobj::include_section_group): Add new parameters. Change
10489 calls to Layout::add_comdat. Change to build table of kept comdat
10490 groups and table mapping discarded sections to kept sections.
10491 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
10492 (Sized_relobj::do_layout): Change calls to include_section_group and
10493 include_linkonce_section.
10494 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
10495 value to zero when section is discarded.
10496 (Sized_relobj::map_to_kept_section): New function.
10497 * object.h (Relobj::output_section_address): New function.
10498 (Relobj::Comdat_group): New type.
10499 (Relobj::find_comdat_group): New function.
10500 (Relobj::Comdat_group_table): New type.
10501 (Relobj::Kept_comdat_section): New type.
10502 (Relobj::Kept_comdat_section_table): New type.
10503 (Relobj::add_comdat_group): New function.
10504 (Relobj::set_kept_comdat_section): New function.
10505 (Relobj::get_kept_comdat_section): New function.
10506 (Relobj::comdat_groups_): New field.
10507 (Relobj::kept_comdat_sections_): New field.
10508 (Symbol_value::input_value): Update comment.
10509 (Sized_relobj::map_to_kept_section) New function.
10510 (Sized_relobj::include_linkonce_section): Add new parameter.
10511 * target-reloc.h (Comdat_behavior): New type.
10512 (get_comdat_behavior): New function.
10513 (relocate_section): Add code to map a discarded section to the
10514 corresponding kept section when applying a relocation.
10515
e4e5049b
CS		 105162008-04-30 Craig Silverstein <csilvers@google.com>
10517
10518 * dwarf_reader.cc (next_generation_count): New static var.
10519 (Addr2line_cache_entry): New struct.
10520 (addr2line_cache): New static var.
10521 (Dwarf_line_info::one_addr2line): Added caching.
10522 (Dwarf_line_info::clear_addr2line_cache): New function.
10523 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
10524 cache-size parameter.
10525 (Dwarf_line_info::one_addr2line_cache): New function.
10526 * symtab.cc (Symbol_table::detect_odr_violations): Pass
10527 new cache-size argument to one_addr2line(), and clear cache.
10528
d09e9154
CC		 105292008-04-28 Cary Coutant <ccoutant@google.com>
10530
10531 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
10532 R_386_PC8 relocations.
10533
7ef73768
ILT		 105342008-04-23 Ian Lance Taylor <iant@google.com>
10535
55438702
ILT		 10536 * object.cc (Sized_relobj::include_section_group): Check for
10537 invalid section group.
10538
c165fb93
ILT		 10539 * object.cc (make_elf_object): Correct test for 64-bit ELF file
10540 header size.
10541
7ef73768
ILT		 10542 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
10543 than read for file header.
10544 * archive.cc (Archive::include_member): Likewise.
10545
6194aaab
L		 105462008-04-23 Paolo Bonzini <bonzini@gnu.org>
10547
10548 * aclocal.m4: Regenerate.
10549 * configure: Regenerate.
10550
d491d34e
ILT		 105512008-04-19 Ian Lance Taylor <iant@google.com>
10552
5ea2bac6
ILT		 10553 * version.cc (version_string): Bump to 1.6.
10554
7bc3e21a
ILT		 10555 * testsuite/Makefile.am (many_sections_r_test): New target.
10556 (many_sections_r_test_SOURCES): Remove.
10557 (many_sections_r_test_DEPENDENCIES): Remove.
10558 (many_sections_r_test_LDFLAGS): Remove.
10559 (many_sections_r_test_LDADD): Remove.
10560
7fcd3aa9
ILT		 10561 * object.cc (Sized_relobj::do_add_symbols): Always pass
10562 local_symbol_count_ to add_from_relobj.
10563
4c94d6ae
ILT		 10564 * testsuite/Makefile.am (many_sections_check.h): Only check one in
10565 every thousand variables.
10566 * testsuite/Makefile.in: Rebuild.
10567
d491d34e
ILT		 10568 * object.cc (Xindex::initialize_symtab_xindex): New function.
10569 (Xindex::read_symtab_xindex): New function.
10570 (Xindex::sym_xindex_to_shndx): New function.
10571 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
10572 available.
10573 (Sized_relobj::do_initialize_xindex): New function.
10574 (Sized_relobj::do_read_symbols): Adjust section links.
10575 (Sized_relobj::symbol_section_and_value): Add is_ordinary
10576 parameter. Change all callers.
10577 (Sized_relobj::include_section_group): Adjust section links and
10578 symbol section indexes.
10579 (Sized_relobj::do_layout): Adjust section links.
10580 (Sized_relobj::do_count_local_symbols): Adjust section links and
10581 symbol section indexes.
10582 (Sized_relobj::do_finalize_local_symbols): Distinguish between
10583 ordinary and special symbols.
10584 (Sized_relobj::write_local_symbols): Add symtab_xindex and
10585 dynsym_xindex parameters. Change all callers. Adjust section
10586 links. Use SHN_XINDEX when needed.
10587 (Sized_relobj::get_symbol_location_info): Adjust section links.
10588 Don't get fooled by special symbols.
10589 * object.h (class Xindex): Define.
10590 (class Object): Add xindex_ parameter. Declare virtual functoin
10591 do_initialize_xindex.
10592 (Object::adjust_sym_shndx): New function.
10593 (Object::set_xindex): New protected function.
10594 (class Symbol_value): Add is_ordinary_shndx_ field.
10595 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
10596 (Symbol_value::value): Assert ordinary section.
10597 (Symbol_value::initialize_input_to_output_map): Likewise.
10598 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
10599 Change all callers.
10600 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
10601 all callers.
10602 (class Sized_relobj): Update declarations.
10603 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
10604 parameter. Change all callers.
10605 (Sized_relobj::adjust_shndx): New function.
10606 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
10607 field.
10608 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
10609 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
10610 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
10611 (Sized_dynobj::read_dynsym_section): Adjust section links.
10612 (Sized_dynobj::read_dynamic): Likewise.
10613 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
10614 section links.
10615 (Sized_dynobj::do_initialize_xindex): New function.
10616 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
10617 do_initialize_xindex.
10618 (Sized_dynobj::adjust_shndx): New function.
10619 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
10620 dynsym_xindex_ fields.
10621 (Layout::finalize): Add a call to set_section_indexes before
10622 creating the symtab sections.
10623 (Layout::set_section_indexes): Don't do anything if the section
10624 already has a section index.
10625 (Layout::create_symtab_sections): Add shnum parameter. Change
10626 caller. Create .symtab_shndx section if needed.
10627 (Layout::create_shdrs): Add shstrtab_section parameter. Change
10628 caller.
10629 (Layout::allocated_output_section_count): New function.
10630 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
10631 needed.
10632 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
10633 fields. Update declarations.
10634 (Layout::symtab_xindex): New function.
10635 (Layout::dynsym_xindex): New function.
10636 (class Write_symbols_task): Add layout_ field.
10637 (Write_symbols_task::Write_symbols_task): Add layout parameter.
10638 Change caller.
10639 * output.cc (Output_section_headers::Output_section_headers): Add
10640 shstrtab_section parameter. Change all callers.
10641 (Output_section_headers::do_sized_write): Store overflow values
10642 for section count and section string table section index in
10643 section header zero.
10644 (Output_file_header::do_sized_write): Check for overflow of
10645 section count and section string table section index.
10646 (Output_symtab_xindex::do_write): New function.
10647 (Output_symtab_xindex::endian_do_write): New function.
10648 * output.h (class Output_section_headers): Add shstrtab_section_.
10649 Update declarations.
10650 (class Output_symtab_xindex): Define.
10651 (Output_section::has_out_shndx): New function.
10652 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
10653 field.
10654 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
10655 Change all callers.
10656 (Sized_symbol::init): Likewise.
10657 (Symbol::output_section): Check for ordinary symbol.
10658 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
10659 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
10660 callers.
10661 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
10662 Change all callers. Simplify handling of symbols from sections
10663 not included in the link.
10664 (Symbol_table::add_from_dynobj): Handle ordinary symbol
10665 distinction.
10666 (Weak_alias_sorter::operator()): Assert that symbols are
10667 ordinary.
10668 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
10669 distinction.
10670 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
10671 parameters. Change all callers.
10672 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
10673 symbol distinction. Use SHN_XINDEX when needed.
10674 (Symbol_table::write_section_symbol): Add symtab_xindex
10675 parameter. Change all callers.
10676 (Symbol_table::sized_write_section_symbol): Likewise. Use
10677 SHN_XINDEX when needed.
10678 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
10679 declarations.
10680 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
10681 (Symbol::is_defined): Check is_ordinary.
10682 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
10683 (Symbol::is_absolute, Symbol::is_common): Likewise.
10684 (class Sized_symbol): Update declarations.
10685 (class Symbol_table): Update declarations.
10686 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
10687 parameters. Change all callers.
10688 (Sized_symbol::override): Likewise.
10689 (Symbol_table::override): Likewise.
10690 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
10691 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
10692 is_ordinary, and orig_st_shndx parameters. Change all callers.
10693 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
10694 to be in an ordinary section.
10695 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
10696 object and is_ordinary parameters. Change all callers.
10697 (Sized_dwarf_line_info::read_relocs): Add object parameter.
10698 Change all callers. Don't add undefined or non-ordinary symbols
10699 to reloc_map_.
10700 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
10701 Change all callers.
10702 * dwarf_reader.h (class Sized_dwarf_line_info): Update
10703 declarations.
10704 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
10705 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
10706 (Sized_relobj::relocate_sections): Likewise.
10707 * target-reloc.h (scan_relocs): Adjust section symbol index.
10708 (scan_relocatable_relocs): Likewise.
10709 * i386.cc (Scan::local): Check for ordinary symbols.
10710 * sparc.cc (Scan::local): Likewise.
10711 * x86_64.cc (Scan::local): Likewise.
10712 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
10713 to symbol_section_and_value.
10714 * testsuite/many_sections_test.cc: New file.
10715 * testsuite/Makefile.am (BUILT_SOURCES): Define.
10716 (check_PROGRAMS): Add many_sections_test.
10717 (many_sections_test_SOURCES): Define.
10718 (many_sections_test_DEPENDENCIES): Define.
10719 (many_sections_test_LDFLAGS): Define.
10720 (BUILT_SOURCES): Add many_sections_define.h.
10721 (many_sections_define.h): New target.
10722 (BUILT_SOURCES): Add many_sections_check.h.
10723 (many_sections_check.h): New target.
10724 (check_PROGRAMS): Add many_sections_r_test.
10725 (many_sections_r_test_SOURCES): Define.
10726 (many_sections_r_test_DEPENDENCIES): Define.
10727 (many_sections_r_test_LDFLAGS): Define.
10728 (many_sections_r_test_LDADD): Define.
10729 (many_sections_r_test.o): New target.
10730 * testsuite/Makefile.in: Rebuild.
10731
c5818ff1
CC		 107322008-04-17 Cary Coutant <ccoutant@google.com>
10733
10734 * errors.cc (Errors::info): New function.
10735 (gold_info): New function.
10736 * errors.h (Errors::info): New function.
10737 * gold.h (gold_info): New function.
10738 * object.cc (Input_objects::add_object): Print trace output.
10739 * options.cc (options::parse_set): New function.
10740 (General_options::parse_wrap): Deleted.
10741 (General_options::General_options): Deleted initializer.
10742 * options.h (options::String_set): New typedef.
10743 (options::parse_set): New function.
10744 (DEFINE_set): New macro.
10745 (General_options::wrap): Changed to use DEFINE_set. Changed
10746 callers of any_wrap_symbols and is_wrap_symbol.
10747 (General_options::trace, General_options::trace_symbol):
10748 New options.
10749 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
10750 (General_options::wrap_symbols_): Deleted.
10751 * symtab.cc (Symbol_table::add_from_object): Print trace output.
10752
b5be4a7c
DM		 107532008-04-17 David S. Miller <davem@davemloft.net>
10754
10755 * options.cc (General_options::parse_V): New function.
10756 * options.h: Add entries for -V and -Qy.
10757
155a0dd7
ILT		 107582008-04-17 Ian Lance Taylor <iant@google.com>
10759
10760 * common.cc (Symbol_table::allocate_commons): Remove options
10761 parameter. Change caller.
10762 (Symbol_table::do_allocate_commons): Remove options parameter.
10763 Change caller. Just call do_allocate_commons_list twice.
10764 (Symbol_table::do_allocate_commons_list): New function, broken out
10765 of do_allocate_commons.
10766 * common.h (class Allocate_commons_task): Remove options_ field.
10767 Update constructor.
10768 * symtab.cc (Symbol_table::Symbol_table): Initialize
10769 tls_commons_.
10770 (Symbol_table::add_from_object): Put TLS common symbols on
10771 tls_commons_ list.
10772 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
10773 which are IN_OUTPUT_DATA.
10774 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
10775 allocate_commons and do_allocate_commons declarations. Declare
10776 do_allocate_commons_list.
10777 * gold.cc (queue_middle_tasks): Update creation of
10778 Allocate_commons_task to not pass options.
10779 * testsuite/Makefile.am (INCLUDES): Add -I.. .
10780 (TLS_TEST_C_FLAGS): New variable.
10781 (tls_test_c_pic.o): New target.
10782 (tls_test_shared.so): Link in tls_test_c_pic.o.
10783 (tls_test_c_pic_ie.o): New target.
10784 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
10785 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
10786 (tls_test_c.o): New target.
10787 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
10788 (tls_pic_test_LDADD): Likewise.
10789 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
10790 (tls_shared_gd_to_ie_test_LDADD): Likewise.
10791 (tls_test_c_gnu2.o): New target.
10792 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
10793 tls_test_c_gnu2.o.
10794 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
10795 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
10796 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
10797 * testsuite/tls_test.cc: Include "config.h".
10798 (t_last): Call t11_last.
10799 * testsuite/tls_test.h (t11, t11_last): Declare.
10800 * testsuite/tls_test_c.c: New file.
10801 * testsuite/tls_test_main.cc (thread_routine): Call t11.
10802 * configure.ac: Check for OpenMP support.
10803 * configure, config.in, Makefile.in: Rebuild.
10804 * testsuite/Makefile.in: Rebuild.
10805
edfbb029
CC		 108062008-04-16 Cary Coutant <ccoutant@google.com>
10807
10808 * i386.cc (Target_i386::define_tls_base_symbol): New function.
10809 (Target_i386::tls_base_symbol_defined_): New field.
10810 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10811 (Target_i386::Scan::global): Likewise.
10812 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
10813 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
10814 (Target_x86_64::tls_base_symbol_defined_): New field.
10815 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
10816 (Target_x86_64::Scan::global): Likewise.
10817
f3c69fca
CC		 108182008-04-16 Cary Coutant <ccoutant@google.com>
10819
10820 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
10821 (Symbol::needs_plt_entry): Allow weak undefined symbols.
10822 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
10823 building shared libraries.
10824 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
10825 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
10826 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
10827 * testsuite/Makefile.in: Rebuild.
10828 * testsuite/weak_undef.h: New file.
10829 * testsuite/weak_undef_file1.cc: Add extra test cases.
10830 * testsuite/weak_undef_file2.cc: Likewise.
10831 * testsuite/weak_undef_test.cc: Likewise.
10832
7c414435
DM		 108332008-04-16 David S. Miller <davem@davemloft.net>
10834
32b769e1
DM		 10835 * sparc.cc (Target_sparc::Scan): Change from struct to class.
10836 Add issued_non_pic_error_ field. Declare check_non_pic.
10837 (Target_sparc::Scan::check_non_pic): New function.
10838 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
10839 (Target_sparc::Scan::global): Likewise.
10840
11936fb1
DM		 10841 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
10842 * configure: Rebuild.
10843
7c414435
DM		 10844 * options.h (DEFINE_enable): New macro.
10845 (new_dtags): New enable option.
10846 (initfirst, interpose, loadfltr, nodefaultlib,
10847 nodelete, nodlopen, nodump): New -z options.
10848 * layout.cc (Layout:finish_dynamic_section): If new
10849 dtags enabled, emit DT_RUNPATH. Also, emit a
10850 DT_FLAGS_1 containing any specified -z flags.
10851
85c7bf8b
ILT		 108522008-04-16 Ian Lance Taylor <iant@google.com>
10853
12c0daef
ILT		 10854 * copy-relocs.cc: New file.
10855 * copy-relocs.h: New file.
10856 * reloc.cc: Remove Copy_relocs code.
10857 * reloc.h: Likewise.
10858 * reloc-types.h (struct Reloc_types) [both versions]: Add
10859 get_reloc_addend_noerror.
10860 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
10861 variants of add_global which take an addend which must be zero.
10862 * i386.cc: Include "copy-relocs.h".
10863 (class Target_i386): Change type of copy_relocs_ to variable,
10864 update initializer.
10865 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
10866 Change all callers.
10867 (Target_i386::do_finalize_sections): Change handling of
10868 copy_relocs_.
10869 * sparc.cc: Include "copy-relocs.h".
10870 (class Target_sparc): Change type of copy_relocs_ to variable,
10871 update initializer.
10872 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
10873 Change all callers.
10874 (Target_sparc::do_finalize_sections): Change handling of
10875 copy_relocs_.
10876 * x86_64.cc: Include "copy-relocs.h".
10877 (class Target_x86_64): Change type of copy_relocs_ to variable,
10878 update initializer.
10879 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
10880 class. Change all callers.
10881 (Target_x86_64::do_finalize_sections): Change handling of
10882 copy_relocs_.
10883 * Makefile.am (CCFILES): Add copy-relocs.cc.
10884 (HFILES): Add copy-relocs.h.
10885
4f4995b6
ILT		 10886 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
10887
85c7bf8b
ILT		 10888 * testsuite/script_test_4.sh: Permit leading zeroes.
10889
4f2a9edd
ILT		 108902008-04-15 Ian Lance Taylor <iant@google.com>
10891
e6188289
ILT		 10892 * script-sections.cc (Script_sections::create_segments): Use
10893 header_size_adjustment even when there is enough room for the
10894 headers.
10895 * testsuite/script_test_4.sh: New file.
10896 * testsuite/script_test_4.t: New file.
10897 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
10898 (check_DATA): Add script_test_4.stdout.
10899 (MOSTLYCLEANFILES): Likewise.
10900 (script_test_4): New target.
10901 (script_test_4.stdout): New target.
10902 * testsuite/Makefile.in: Rebuild.
10903
4f2a9edd
ILT		 10904 * sparc.cc: Add definitions for Output_data_plt_sparc class
10905 constants.
10906
f5314dd5
DM		 109072008-04-14 David S. Miller <davem@davemloft.net>
10908
10909 * sparc.cc: New file.
10910 * Makefile.am (TARGETSOURCES): Add sparc.cc
10911 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
10912 * configure.tgt: Document targ_extra_size and
10913 targ_extra_big_endian. Add entries for sparc-* and
10914 sparc64-*.
10915 * configure.ac: Handle targ_extra_size and
10916 targ_extra_big_endian.
10917 * Makefile.in: Rebuild.
10918 * configure: Likewise.
10919 * po/POTFILES.in: Likewise.
10920 * po/gold.pot: Likewise.
10921
154e0e9a
ILT		 109222008-04-14 Ian Lance Taylor <iant@google.com>
10923
10924 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
10925 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
10926 in the name/type/flags to section mapping. Don't call
10927 allocate_output_section.
10928 (Layout::choose_output_section): Change parameter from adjust_name
10929 to is_input_section. Don't permit input sections after sections
10930 are attached to segments. Don't call allocate_output_section.
10931 (Layout::layout_eh_frame): Call update_flags_for_input_section,
10932 not write_enable_output_section.
10933 (Layout::make_output_section): Don't push to
10934 unattached_section_list_ nor call attach_to_segment. Call
10935 attach_section_to_segment if sections are attached.
10936 (Layout::attach_sections_to_segments): New function.
10937 (Layout::attach_section_to_segment): New function.
10938 (Layout::attach_allocated_section_to_segment): Rename from
10939 attach_to_segment. Remove flags parameter.
10940 (Layout::allocate_output_section): Remove function.
10941 (Layout::write_enable_output_section): Remove function.
10942 * layout.h (class Layout): Update for above changes. Add new
10943 field sections_are_attached_.
10944 * output.h (Output_section::update_flags_for_input_section): New
10945 function.
10946 * output.cc (Output_section::add_input_section): Call
10947 update_flags_for_input_section.
10948 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
10949
009a67a2
CC		 109502008-04-11 Cary Coutant <ccoutant@google.com>
10951
10952 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
10953 thought unnecessary.
10954 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
10955
759b1a24
ILT		 109562008-04-11 Ian Lance Taylor <iant@google.com>
10957
10958 * output.h (class Output_section_data): Remove inline definition
10959 of set_addralign.
10960 * output.cc (Output_section_data::set_addralign): New function.
10961
c2b45e22
CC		 109622008-04-11 Cary Coutant <ccoutant@google.com>
10963
10964 Add support for TLS descriptors for i386 and x86_64.
10965 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
10966 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
10967 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
10968 GOT_TYPE_TLS_DESC.
10969 (Target_i386::got_mod_index_entry): Remove unnecessary code.
10970 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
10971 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
10972 relocations.
10973 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
10974 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
10975 Fix problem with initial-exec relocations.
10976 (Target_i386::Relocate::relocate_tls): Likewise.
10977 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
10978 relaxation.
10979 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
10980 support for section-plus-offset dynamic table entries.
10981 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
10982 (Output_data_dynamic::Dynamic_entry): Add support for
10983 section-plus-offset dynamic table entries.
10984 (Output_data_dynamic::Classification): Likewise.
10985 (Output_data_dynamic::classification_): Renamed offset_.
10986 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
10987 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
10988 (Target_x86_64::make_plt_section): New function.
10989 (Target_x86_64::reserve_tlsdesc_entries): New function.
10990 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
10991 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
10992 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
10993 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
10994 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
10995 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
10996 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
10997 add extra PLT entry for TLS descriptors.
10998 (Output_data_plt_x86_64::got_): New field.
10999 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
11000 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
11001 fields.
11002 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
11003 descriptors.
11004 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
11005 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
11006 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
11007 R_386_TLS_DESC_CALL relocations.
11008 (Target_x86_64::Scan::global): Likewise.
11009 (Target_x86_64::do_finalize_sections): Add dynamic table entries
11010 for TLS descriptors.
11011 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
11012 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
11013 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
11014 GD-to-IE relaxation.
11015 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
11016 and TLS_DESCRIPTORS.
11017 * Makefile.in: Rebuild.
11018 * configure: Rebuild.
11019 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
11020 (tls_test_shared2.so): New target.
11021 (tls_shared_gd_to_ie_test_SOURCES): New variable.
11022 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
11023 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
11024 (tls_shared_gd_to_ie_test_LDADD): New variable.
11025 (tls_shared_gnu2_gd_to_ie_test): New target.
11026 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
11027 New targets.
11028 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
11029 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
11030 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
11031 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
11032 (tls_shared_gnu2_test): New target.
11033 (tls_test_gnu2_shared.so): New target.
11034 (tls_shared_gnu2_test_SOURCES): New variable.
11035 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
11036 (tls_shared_gnu2_test_LDFLAGS): New variable.
11037 (tls_shared_gnu2_test_LDADD): New variable.
11038 * testsuite/Makefile.in: Rebuild.
11039 * testsuite/Makefile.
11040
83bfb6b7
ILT		 110412008-04-11 Ian Lance Taylor <iant@google.com>
11042
11043 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
11044 justsyms.t.
11045 * testsuite/Makefile.in: Rebuild.
11046
11047 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
11048 long.
11049 * testsuite/script_test_2.cc (main): Adjust test.
11050
706e1f5e
ILT		 110512008-04-11 David S. Miller <davem@davemloft.net>
11052 Ian Lance Taylor <iant@google.com>
11053
11054 * options.h (General_options): Add entries for '-Y' and
11055 '-relax'.
11056 * options.cc (General_options:finalize): If -Y was used, add those
11057 entries to the library path instead of the default "/lib" and
11058 "/usr/lib".
11059
7c98e6bb
DM		 110602008-04-11 David S. Miller <davem@davemloft.net>
11061
11062 * testsuite/justsyms.t: Start at 0x100.
11063 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 11064 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
11065 long.
11066 * testsuite/script_test_2.cc: Adjust string and section length
11067 checks.
7c98e6bb 11068
99a37bfd
ILT		 110692008-04-09 Ian Lance Taylor <iant@google.com>
11070
2cefc357
ILT		 11071 PR gold/5996
11072 * script-sections.cc (Sections_element::allocate_to_segment): Add
11073 orphan parameter.
11074 (Output_section_definition::allocate_to_segment): Likewise.
11075 (Orphan_output_section::allocate_to_segment): Likewise.
11076 (Script_sections::attach_sections_using_phdrs_clause): Don't
11077 propagate non-PT_LOAD segments to orphan sections.
11078 * testsuite/Makefile.am (script_test_3.stdout): Generate using
11079 readelf rather than objdump.
11080 * testsuite/script_test_3.sh: Adjust accordingly. Test that
11081 .interp section and PT_INTERP segment are the same size.
11082 * testsuite/Makefile.in: Rebuild.
11083
99a37bfd
ILT		 11084 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
11085 aliases for symbols defined in the same object.
11086 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
11087 (weak_alias_test_SOURCES): New variable.
11088 (weak_alias_test_DEPENDENCIES): New variable.
11089 (weak_alias_test_LDFLAGS): New variable.
11090 (weak_alias_test_LDADD): New variable.
11091 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
11092 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
11093 (weak_alias_test_3.o): New target.
11094 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
11095 * testsuite/weak_alias_test_main.cc: New file.
11096 * testsuite/weak_alias_test_1.cc: New file.
11097 * testsuite/weak_alias_test_2.cc: New file.
11098 * testsuite/weak_alias_test_3.cc: New file.
11099
780e49c5
ILT		 111002008-04-08 Ian Lance Taylor <iant@google.com>
11101
cdb0b8f5
ILT		 11102 * options.h (class General_options): Add --noinhibit-exec option.
11103 * main.cc (main): Check --noinhibit-exec.
11104
0864d551
ILT		 11105 * options.h (class General_options): Define --wrap as a special
11106 option. Add wrap_symbols_ field.
11107 (General_options::any_wrap_symbols): New function.
11108 (General_options::is_wrap_symbol): New function.
11109 * options.cc (General_options::parse_wrap): New function.
11110 (General_options::General_options): Initialize wrap_symbols_.
11111 * symtab.cc (Symbol_table::wrap_symbol): New function.
11112 (Symbol_table::add_from_object): Handle --wrap.
11113 * symtab.h (class Symbol_table): Declare wrap_symbol.
11114 * target.h (Target::wrap_char): New function.
11115 (Target::Target_info): Add wrap_char field.
11116 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
11117 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
11118 * testsuite/testfile.cc (Target_test::test_target_info):
11119 Likewise.
11120
789aa6de
ILT		 11121 * errors.cc (Errors::undefined_symbol): Mention symbol version if
11122 there is one.
11123
2c38906f
ILT		 11124 * layout.h (class Layout): Add added_eh_frame_data_ field.
11125 * layout.cc (Layout::Layout): Initialize new field.
11126 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
11127 output section until we find a section we merged successfully.
11128 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
11129 that the size be non-zero.
11130
780e49c5
ILT		 11131 * merge.cc (Object_merge_map::get_output_offset): Remove inline
11132 qualifier.
11133
7fcd0256
ILT		 111342008-04-08 Craig Silverstein <csilvers@google.com>
11135
11136 * configure.ac: Export new conditional variable HAVE_ZLIB.
11137 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
11138 on HAVE_ZLIB.
11139 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
11140 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11141
6835af53
ILT		 111422008-04-07 Ian Lance Taylor <iant@google.com>
11143
e24f324c
ILT		 11144 * version.cc (version_string): Set to "1.5".
11145
a036edd8
ILT		 11146 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
11147 Add issued_non_pic_error_ field. Declare check_non_pic.
11148 (Target_x86_64::Scan::check_non_pic): New function.
11149 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
11150 (Target_x86_64::Scan::global): Likewise.
11151
624f8810
ILT		 11152 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
11153 addend parameter. Change caller. Handle merge sections.
11154 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
11155 Address to Addend. Don't add in the result of
11156 local_section_offset, pass down the addend and use the returned
11157 value.
11158 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
11159 Update declarations of local_section_offset and symbol_value.
11160 * testsuite/two_file_test_1.cc (t18): New function.
11161 * testsuite/two_file_test_2.cc (f18): New function.
11162 * testsuite/two_file_test_main.cc (main): Call t18.
11163 * testsuite/two_file_test.h (t18, f18): Declare.
11164
6835af53
ILT		 11165 * configure.ac: Don't test for objdump, c++filt, or readelf.
11166 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
11167 conditionals.
11168 (TEST_READELF): New variable.
11169 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
11170 (check_PROGRAMS): Add two_file_strip_test.
11171 (two_file_strip_test): New target.
11172 (check_PROGRAMS): Add two_file_same_shared_strip_test.
11173 (two_file_same_shared_strip_test_SOURCES): New variable.
11174 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
11175 (two_file_same_shared_strip_test_LDFLAGS): New variable.
11176 (two_file_same_shared_strip_test_LDADD): New variable.
11177 (two_file_shared_strip.so): New target.
11178 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
11179 (ver_test_5.syms, ver_test_7.syms): Likewise.
11180 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
11181 (strip_test_3.stdout): Use TEST_OBJDUMP.
11182 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11183
86925eef
CC		 111842008-04-04 Cary Coutant <ccoutant@google.com>
11185
11186 * symtab.h (Symbol::is_weak_undefined): New function.
11187 (Symbol::is_strong_undefined): New function.
11188 (Symbol::is_absolute): New function.
11189 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
11190 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
11191 absolute symbols.
11192 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
11193 (weak_undef_test): New target.
11194 * testsuite/Makefile.in: Rebuild.
11195 * testsuite/weak_undef_file1.cc: New file.
11196 * testsuite/weak_undef_file2.cc: New file.
11197 * testsuite/weak_undef_test.cc: New file.
11198
126f3ece
ILT		 111992008-04-03 Craig Silverstein <csilvers@google.com>
11200
11201 * compressed_output.h (class Output_compressed_section): Use
11202 unsigned buffer.
11203 * compressed_output.cc (zlib_compress): Use unsigned buffers,
11204 add zlib header.
11205 (zlib_compressed_suffix): Removed.
11206 (Output_compressed_section::set_final_data_size): Use unsigned
11207 buffers.
11208 * testsuite/Makefile.am (flagstest_compress_debug_sections):
11209 Fix linker invocation.
11210 (flagstest_o_specialfile_and_compress_debug_sections):
11211 Likewise.
11212 * testsuite/Makefile.in: Regenerated.
11213
deae2a14
DM		 112142008-04-02 David S. Miller <davem@davemloft.net>
11215
11216 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
11217 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
11218
70752818
ILT		 112192008-04-02 Craig Silverstein <csilvers@google.com>
11220
11221 * TODO: New file.
11222
39d0cb0e
ILT		 112232008-04-02 Ian Lance Taylor <iant@google.com>
11224
11225 * fileread.cc (File_read::find_view): Add byteshift and vshifted
11226 parameters. Update for new key type to views_. Change all
11227 callers.
11228 (File_read::read): Adjust for byteshift in returned view.
11229 (File_read::add_view): New function, broken out of
11230 find_and_make_view.
11231 (File_read::make_view): New function, broken out of
11232 find_and_make_view.
11233 (File_read::find_or_make_view): Add offset and aligned
11234 parameters. Rewrite accordingly. Change all callers.
11235 (File_read::get_view): Add offset and aligned parameters. Adjust
11236 for byteshift in return value.
11237 (File_read::get_lasting_view): Likewise.
11238 * fileread.h (class File_read): Update declarations.
11239 (class File_read::View): Add byteshift_ field. Add byteshift to
11240 constructor. Add byteshift method.
11241 * archive.h (Archive::clear_uncached_views): New function.
11242 (Archive::get_view): Add aligned parameter. Change all callers.
11243 * object.h (Object::get_view): Add aligned parameter. Change all
11244 callers.
11245 (Object::get_lasting_view): Likewise.
11246
11247 * fileread.cc (File_read::release): Don't call clear_views if
11248 there are multiple objects.
11249 * fileread.h (File_read::clear_uncached_views): New function.
11250 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
11251 on the archive.
11252
a1207466
CC		 112532008-03-31 Cary Coutant <ccoutant@google.com>
11254
11255 Add thin archive support.
11256 * archive.cc (Archive::armagt): New const.
11257 (Archive::setup): Remove task parameter and calls to unlock.
11258 (Archive::unlock_nested_archives): New function.
11259 (Archive::read_header): Add nested_off parameter. Change
11260 all callers.
11261 (Archive::interpret_header): Likewise.
11262 (Archive::include_all_members): Change to handle thin
11263 archives.
11264 (Archive::include_member): Likewise.
11265 * archive.h (Archive::Archive): Add new parameters and
11266 initializers.
11267 (Archive::armagt): New const.
11268 (Archive::setup): Remove task parameter.
11269 (Archive::unlock_nested_archives): New function.
11270 (Archive::read_header): Add nested_off parameter.
11271 (Archive::interpret_header): Likewise.
11272 (Archive::Nested_archive_table): New typedef.
11273 (Archive::is_thin_archive_): New field.
11274 (Archive::nested_archives_): New field.
11275 (Archive::options_): New field.
11276 (Archive::dirpath_): New field.
11277 (Archive::task_): New field.
11278 * readsyms.cc (Read_symbols::do_read_symbols): Add check
11279 for thin archives. Pass additional parameters to
11280 Archive::Archive. Unlock the archive file after calling
11281 Archive::setup.
cd536b21 11282
479f6503
ILT		 112832008-03-29 Ian Lance Taylor <iant@google.com>
11284
686c8caf
ILT		 11285 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
11286 version symbol to be local.
11287 * testsuite/ver_test_4.sh: New file.
11288 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
11289 (check_DATA): Add ver_test_4.syms.
11290 (ver_test_4.syms): New target.
11291 * testsuite/Makefile.in: Rebuild.
11292
ab794b6b
ILT		 11293 * output.cc
11294 (Output_section::Input_section_sort_entry::has_priority): New
11295 function.
11296 (Output_section::Input_section_sort_entry::match_file_name): New
11297 function.
11298 (Output_section::Input_section_sort_entry::match_section_name):
11299 Remove.
11300 (Output_section::Input_section_sort_entry::match_section_name_prefix):
11301 Remove.
11302 (Output_section::Input_section_sort_entry::match_section_file):
11303 Remove.
11304 (Output_section::Input_section_sort_compare::operator()): Rewrite
11305 using new Input_section_sort_entry functions. Sort crtbegin and
11306 crtend first. Sort sections with no priority before sections with
11307 a priority.
11308 * testsuite/initpri1.c (d3): Check j != 4.
11309 (cd5): New constructor/destructor function.
11310 (main): Check j != 2.
11311
479f6503
ILT		 11312 * symtab.cc (Symbol_table::add_from_object): If we don't use the
11313 new symbol when resolving, don't call set_is_default.
11314 * testsuite/ver_test_7.cc: New file.
11315 * testsuite/ver_test_7.sh: New file.
11316 * testsuite/Makefile.am (ver_test_7.so): New target.
11317 (ver_test_7.o): New target.
11318 (check_SCRIPTS): Add ver_test_7.sh.
11319 (check_DATA): Add ver_test_7.syms.
11320 (ver_test_7.syms): New target.
11321
2fd32231
ILT		 113222008-03-28 Ian Lance Taylor <iant@google.com>
11323
11324 * layout.cc (Layout::layout): If we see an input section with a
11325 name that needs sorting, set the must_sort flag for the output
11326 section.
11327 (Layout::make_output_section): If the name of the output section
11328 indicates that it might require sorting, set the may_sort flag.
11329 * output.h (Output_section::may_sort_attached_input_sections): New
11330 function.
11331 (Output_section::set_may_sort_attached_input_sections): New
11332 function.
11333 (Output_section::must_sort_attached_input_sections): New
11334 function.
11335 (Output_section::set_must_sort_attached_input_sections): New
11336 function.
11337 (class Output_section): Declare Input_section_sort_entry. Define
11338 Input_section_sort_compare. Declare
11339 sort_attached_input_sections. Add new fields:
11340 may_sort_attached_input_sections_,
11341 must_sort_attached_input_sections_,
11342 attached_input_sections_are_sorted_.
11343 * output.cc (Output_section::Output_section): Initialize new
11344 fields.
11345 (Output_section::add_input_section): Add an entry to
11346 input_sections_ if may_sort or must_sort are true.
11347 (Output_section::set_final_data_size): Call
11348 sort_attached_input_sections if necessary.
11349 (Output_section::Input_section_sort_entry): Define new class.
11350 (Output_section::Input_section_sort_compare::operator()): New
11351 function.
11352 (Output_section::sort_attached_input_sections): New function.
11353 * configure.ac: Check whether the compiler supports constructor
11354 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
11355 * testsuite/initpri1.c: New file.
11356 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
11357 CONSTRUCTOR_PRIORITY.
11358 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
11359 (initpri1_LDFLAGS): New variable.
11360 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
11361
18e6b24e
ILT		 113622008-03-27 Ian Lance Taylor <iant@google.com>
11363
49bdd526
ILT		 11364 * common.cc (Sort_commons::operator): Correct sorting algorithm.
11365 * testsuite/common_test_1.c: New file.
11366 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
11367 (common_test_1_SOURCES): New variable.
11368 (common_test_1_DEPENDENCIES): New variable.
11369 (common_test_1_LDFLAGS): New variable.
11370
18e6b24e
ILT		 11371 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
11372 and commons_ correctly when NAME/VERSION does not override
11373 NAME/NULL.
11374 * testsuite/ver_test_6.c: New file.
11375 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
11376 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
11377 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
11378
04bf7072
ILT		 113792008-03-26 Ian Lance Taylor <iant@google.com>
11380
5871526f
ILT		 11381 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
11382 of an undefined symbol from a version script.
11383 * testsuite/Makefile.am (ver_test_5.so): New target.
11384 (ver_test_5.o): New target.
11385 (check_SCRIPTS): Add ver_test_5.sh.
11386 (check_DATA): Add ver_test_5.syms.
11387 (ver_test_5.syms): New target.
11388 * testsuite/ver_test_5.cc: New file.
11389 * testsuite/ver_test_5.script: New file.
11390 * testsuite/ver_test_5.sh: New file.
11391 * Makefile.in, testsuite/Makefile.in: Rebuild.
11392
04bf7072
ILT		 11393 PR gold/5986
11394 Fix problems building gold with gcc 4.3.0.
11395 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
11396 (gold_error_at_location, gold_warning_at_location): Use it.
11397 * configure.ac: Check whether we can compile and use a template
11398 function with a printf attribute.
11399 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
11400 when jumping over bytes.
11401 * object.cc: Instantiate Object::read_section_data.
11402 * debug.h: Include <cstring>
11403 * dwarf_reader.cc: Include <algorithm>
11404 * main.cc: Include <cstring>.
11405 * options.cc: Include <cstring>.
11406 * output.cc: Include <cstring>.
11407 * script.cc: Include <cstring>.
11408 * script.h: Include <string>.
11409 * symtab.cc: Include <cstring> and <algorithm>.
11410 * target-select.cc: Include <cstring>.
11411 * version.cc: Include <string>.
11412 * testsuite/testmain.cc: Include <cstdlib>.
11413 * configure, config.in: Rebuild.
11414
874c5b28
ILT		 114152008-03-25 Ian Lance Taylor <iant@google.com>
11416
819d6c3a
ILT		 11417 * options.cc: Include "../bfd/bfdver.h".
11418 (options::help): Print bug reporting address.
11419
f4b2c6f5
ILT		 11420 * version.cc (print_version): Adjust output for current value of
11421 BFD_VERSION_STRING.
11422
11423 * NEWS: New file.
11424
e96caa79
ILT		 11425 * options.cc (options::help): Print list of supported targets.
11426 * target-select.h: Include <vector>.
11427 (class Target_selector): Make machine_, size_, and is_big_endian_
11428 fields const. Add bfd_name_ and instantiated_target_ fields.
11429 (Target_selector::Target_selector): Add bfd_name parameter.
11430 (Target_selector::recognize): Make non-virtual, call
11431 do_recognize.
11432 (Target_selector::recognize_by_name): Make non-virtual, call
11433 do_recognize_by_name.
11434 (Target_selector::supported_names): New function.
11435 (Target_selector::bfd_name): New function.
11436 (Target_selector::do_instantiate_target): New pure virtual
11437 function.
11438 (Target_selector::do_recognize): New virtual function.
11439 (Target_selector::do_recognize_by_name): New virtual function.
11440 (Target_selector::instantiate_target): New private function.
11441 (supported_target_names): Declare.
11442 * target-select.cc (Target_selector::Target_selector): Update for
11443 new parameter and fields.
11444 (select_target_by_name): Check that the name matches before
11445 calling recognize_by_name.
11446 (supported_target_names): New function.
11447 * i386.cc (class Target_selector_i386): Update Target_selector
11448 constructor call. Remove recognize and recognize_by_name. Add
11449 do_instantiate_target.
11450 * x86_64.cc (class Target_selector_x86_64): Likewise.
11451 * testsuite/testfile.cc (class Target_selector_test): Update for
11452 changes to Target_selector.
11453
874c5b28
ILT		 11454 * README: Rewrite, with some notes on unsupported features.
11455
0a65a3a7
CC		 114562008-03-24 Cary Coutant <ccoutant@google.com>
11457
11458 * i386.cc (Target_i386::Got_type): New enum declaration.
11459 (Target_i386::Scan::local): Updated callers of Output_data_got
11460 member functions.
11461 (Target_i386::Scan::global): Likewise.
11462 (Target_i386::Relocate::relocate): Likewise.
11463 (Target_i386::Relocate::relocate_tls): Likewise.
11464 * object.h (Got_offset_list): New class.
11465 (Sized_relobj::local_has_got_offset): Added got_type parameter.
11466 (Sized_relobj::local_got_offset): Likewise.
11467 (Sized_relobj::set_local_got_offset): Likewise.
11468 (Sized_relobj::local_has_tls_got_offset): Removed.
11469 (Sized_relobj::local_tls_got_offset): Removed.
11470 (Sized_relobj::set_local_tls_got_offset): Removed.
11471 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
11472 * output.cc (Output_data_got::add_global): Added got_type parameter.
11473 (Output_data_got::add_global_with_rel): Likewise.
11474 (Output_data_got::add_global_with_rela): Likewise.
11475 (Output_data_got::add_global_pair_with_rel): New function.
11476 (Output_data_got::add_global_pair_with_rela): New function.
11477 (Output_data_got::add_local): Added got_type parameter.
11478 (Output_data_got::add_local_with_rel): Likewise.
11479 (Output_data_got::add_local_with_rela): Likewise.
11480 (Output_data_got::add_local_pair_with_rel): New function.
11481 (Output_data_got::add_local_pair_with_rela): New function.
11482 (Output_data_got::add_global_tls): Removed.
11483 (Output_data_got::add_global_tls_with_rel): Removed.
11484 (Output_data_got::add_global_tls_with_rela): Removed.
11485 (Output_data_got::add_local_tls): Removed.
11486 (Output_data_got::add_local_tls_with_rel): Removed.
11487 (Output_data_got::add_local_tls_with_rela): Removed.
11488 * output.h (Output_data_got::add_global): Added got_type parameter.
11489 (Output_data_got::add_global_with_rel): Likewise.
11490 (Output_data_got::add_global_with_rela): Likewise.
11491 (Output_data_got::add_global_pair_with_rel): New function.
11492 (Output_data_got::add_global_pair_with_rela): New function.
11493 (Output_data_got::add_local): Added got_type parameter.
11494 (Output_data_got::add_local_with_rel): Likewise.
11495 (Output_data_got::add_local_with_rela): Likewise.
11496 (Output_data_got::add_local_pair_with_rel): New function.
11497 (Output_data_got::add_local_pair_with_rela): New function.
11498 (Output_data_got::add_global_tls): Removed.
11499 (Output_data_got::add_global_tls_with_rel): Removed.
11500 (Output_data_got::add_global_tls_with_rela): Removed.
11501 (Output_data_got::add_local_tls): Removed.
11502 (Output_data_got::add_local_tls_with_rel): Removed.
11503 (Output_data_got::add_local_tls_with_rela): Removed.
11504 * resolve.cc (Symbol::override_base_with_special): Removed
11505 reference to has_got_offset_ field.
11506 * symtab.cc (Symbol::init_fields): Replaced initialization
11507 of got_offset_ with got_offsets_. Removed initialization
11508 of has_got_offset_
53fcba31 11509 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 11510 (Symbol::got_offset): Likewise.
11511 (Symbol::set_got_offset): Likewise.
11512 (Symbol::has_tls_got_offset): Removed.
11513 (Symbol::tls_got_offset): Removed.
11514 (Symbol::set_tls_got_offset): Removed.
11515 (Symbol::got_offset_): Removed.
11516 (Symbol::tls_mod_got_offset_): Removed.
11517 (Symbol::tls_pair_got_offset_): Removed.
11518 (Symbol::got_offsets_): New field.
11519 (Symbol::has_got_offset): Removed.
11520 (Symbol::has_tls_mod_got_offset): Removed.
11521 (Symbol::has_tls_pair_got_offset): Removed.
11522 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
11523 (Target_x86_64::Scan::local): Updated callers of Output_data_got
11524 member functions.
11525 (Target_x86_64::Scan::global): Likewise.
11526 (Target_x86_64::Relocate::relocate): Likewise.
11527 (Target_x86_64::Relocate::relocate_tls): Likewise.
11528
bd52eafb
BE		 115292008-03-25 Ben Elliston <bje@au.ibm.com>
11530
11531 * yyscript.y: Fix spelling error in comment.
11532
8b105e34
ILT		 115332008-03-24 Ian Lance Taylor <iant@google.com>
11534
8ed814a9
ILT		 11535 * options.h (class General_options): Define build_id option.
11536 * layout.h (class Layout): Declare write_build_id, create_note,
11537 create_build_id. Add build_id_note_ member.
11538 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
11539 "libiberty.h", "md5.h", "sha1.h".
11540 (Layout::Layout): Initialize eh_frame_data_,
11541 eh_frame_hdr_section_, and build_id_note_.
11542 (Layout::finalize): Call create_build_id.
11543 (Layout::create_note): New function, broken out of
11544 Layout::create_gold_note.
11545 (Layout::create_gold_note): Call create_note.
11546 (Layout::create_build_id): New function.
11547 (Layout::write_build_id): New function.
11548 (Close_task_runner::run): Call write_build_id.
11549
8b105e34
ILT		 11550 * x86_64.cc: Correct license to GPLv3.
11551
086a1841
ILT		 115522008-03-23 Ian Lance Taylor <iant@google.com>
11553
11554 * options.cc: Include "demangle.h".
11555 (parse_optional_string): New function.
11556 (parse_long_option): Handle takes_optional_argument.
11557 (parse_short_option): Update dash_z initializer. Handle
11558 takes_optional_argument.
11559 (General_options::General_options): Initialize do_demangle_.
11560 (General_options::finalize): Set do_demangle_. Handle demangling
11561 style.
11562 * options.h (parse_optional_string): Declare.
11563 (struct One_option): Add optional_arg field. Update constructor.
11564 Update call constructor calls. Add takes_optional_argument
11565 function.
11566 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
11567 (DEFINE_optional_string): Define.
11568 (General_options::demangle): Change from DEFINE_bool to
11569 DEFINE_optional_string.
11570 (General_options::no_demangle): New function.
11571 (General_options::do_demangle): New function.
11572 (General_options::set_do_demangle): New function.
11573 (General_options::execstack_status_): Move definition to end of
11574 class definition.
11575 (General_options::static_): Likewise.
11576 (General_options::do_demangle_): New field.
11577 * object.cc (big_endian>::get_symbol_location_info): Call
11578 Options::do_demangle, not Options::demangle.
11579 * symtab.cc (demangle): Likewise.
11580
cbb93e63
ILT		 115812008-03-22 Ian Lance Taylor <iant@google.com>
11582
11583 * gold.h: Include <cstddef> and <sys/types.h>
11584 * options.h: Include <cstring>.
11585
ec531623
ILT		 115862008-03-21 Ian Lance Taylor <iant@google.com>
11587
11588 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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