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Add x86 AVX support to gdbserver.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
be234d88
CC		 12010-04-06 Cary Coutant <ccoutant@google.com>
2
3 gcc PR lto/42757
4 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
5 prevailing definitions of common symbols.
6 * testsuite/plugin_test_6.sh: New test case.
7 * testsuite/plugin_common_test_1.c: New test case.
8 * testsuite/plugin_common_test_2.c: New test case.
9 * testsuite/Makefile.am (plugin_test_6): New test case.
10 * testsuite/Makefile.in: Regenerate.
11
bd32c6bd
NC		 122010-04-06 Nick Clifton <nickc@redhat.com>
13
14 * po/vi.po: New Vietnamese translation.
15
323c532f
DK		 162010-03-30 Doug Kwan <dougkwan@google.com>
17
18 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
19
4fcd97eb
DK		 202010-03-25 Doug Kwan <dougkwan@google.com>
21
22 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
23 to avoid a conversion warning on a 32-bit host.
24
4ebf39db
ILT		 252010-03-24 Ian Lance Taylor <iant@google.com>
26
27 * testsuite/script_test_3.t: Add a TLS segment.
28 * testsuite/Makefile.am (check_PROGRAMS): Add
29 tls_phdrs_script_test.
30 (tls_phdrs_script_test_SOURCES): Define.
31 (tls_phdrs_script_test_DEPENDENCIES): Define.
32 (tls_phdrs_script_test_LDFLAGS): Define.
33 (tls_phdrs_script_test_LDADD): Define.
34 * testsuite/Makefile.in: Rebuild.
35
4a599bdd
CC		 362010-03-23 Cary Coutant <ccoutant@google.com>
37
38 * fileread.cc (find_or_make_view): Fix comment.
39
6c93b22c
ILT		 402010-03-23 Ian Lance Taylor <iant@google.com>
41
42 * script-sections.cc (class Orphan_section_placement): Define
43 PLACE_TLS and PLACE_TLS_BSS.
44 (Orphan_section_placement::Orphan_section_placement): Initialize
45 new places.
46 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
47 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
48 (tls_script_test_SOURCES): Define.
49 (tls_script_test_DEPENDENCIES): Define.
50 (tls_script_test_LDFLAGS): Define.
51 (tls_script_test_LDADD): Define.
52 * testsuite/Makefile.in: Rebuild.
53
a2c7281b
DK		 542010-03-22 Doug Kwan <dougkwan@google.com>
55
56 * arm.cc (Arm_relocate_functions::abs8,
57 Arm_relocate_functions::abs16): Use correct check for overflow
58 specified in the ARM ELF specs.
59 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
60 target of a BLX instruction specially.
61 (Reloc_stub::stub_type_for_reloc): Ditto.
62 (Relocate::relocate): Use symbolic names instead of numeric relocation
63 codes to report error.
64 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
65 workaround.
66 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
67 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
68 thumb2_blx_out_of_range.stdout
69 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
70 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
71 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
72 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
73 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
74 thumb2_blx_in_range, thumb2_blx_in_range.o,
75 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
76 thumb2_blx_out_of_range.o): New rules.
77 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
78 thumb2_blx_in_range and thumb2_blx_out_of_range.
79 * testsuite/Makefile.in: Regenerate.
80 * arm_branch_in_range.sh: Add tests for THUMB BLX.
81 * testsuite/thumb_blx_in_range.s: New file.
82 * testsuite/thumb_blx_out_of_range.s: New file.
83
b0193076
RÁE		 842010-03-22 Rafael Espindola <espindola@google.com>
85
86 * archive.cc (Should_include): Move to archive.h.
87 (should_include_member): Make it a member of Archive.
88 (Lib_group): New.
89 (Add_lib_group_symbols): New.
90 * archive.h: Include options.h.
91 (Archive_member): Moved from Archive.
92 (Should_include): Moved from archive.cc.
93 (Lib_group): New.
94 (Add_lib_group_symbols): New.
95 * dynobj.cc (do_should_include_member): New.
96 * dynobj.h (do_should_include_member): New.
97 * gold.cc (queue_initial_tasks): Update call to queue.
98 * main.cc (main): Print lib group stats.
99 * object.cc (do_should_include_member): New.
100 * object.h: Include archive.h.
101 (Object::should_include_member): New.
102 (Object::do_should_include_member): New.
103 (Sized_relobj::do_should_include_member): New.
104 * options.cc (General_options::parse_start_lib): New.
105 (General_options::parse_end_lib): New.
106 (Input_arguments::add_file): Handle lib groups.
107 (Input_arguments::start_group): Check we are not in a lib.
108 (Input_arguments::start_lib): New.
109 (Input_arguments::end_lib): New.
110 * options.h (General_options): Add start_lib and end_lib.
111 (Input_argument::lib_): New.
112 (Input_argument::lib): New.
113 (Input_argument::is_lib): New.
114 (Input_file_lib): New.
115 (Input_arguments::in_lib_): New.
116 (Input_arguments::in_lib): New.
117 (Input_arguments::start_lib): New.
118 (Input_arguments::end_lib_): New.
119 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
120 in unused members as preempted.
121 (Sized_pluginobj::do_should_include_member): New.
122 * plugin.h (Sized_pluginobj::do_should_include_member): New.
123 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
124 return the blocker.
125 (Read_symbols::do_whole_lib_group): New.
126 (Read_symbols::do_lib_group): New.
127 (Read_symbols::do_read_symbols): Handle lib groups.
128 (Read_symbols::get_name): Handle lib groups.
129 * readsyms.h (Read_symbols): Add an archive member pointer.
130 (Read_symbols::do_whole_lib_group): New.
131 (Read_symbols::do_lib_group): New.
132 (Read_symbols::member_): New.
133 * script.cc (read_input_script): Update call to queue_soon.
134
d099120c
DK		 1352010-03-19 Doug Kwan <dougkwan@google.com>
136
137 * arm.cc (Stub_table::Stub_table): Initialize new data members
138 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
139 (Stub_table::add_reloc_stub): Assign stub offset and update
140 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
141 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
142 New data members.
143 (Stub_table::update_data_size_and_addralign): Use
144 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
145 instead of going over all reloc stubs.
146 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
147 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
148 Stringpool_template::offset_ to size of Stringpool_char.
149 (Stringpool_template::new_key_offset): Remove code to initialize
150 Stringpool_template::offset_.
151 * stringpool.h (Stringpool_template::set_no_zero_null): Set
152 Stringpool_template::offset_ to zero.
153
1aa37384
DK		 1542010-03-15 Doug Kwan <dougkwan@google.com>
155
156 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
157 offset_.
158 (Stringpool_template::new_key_offset): New method.
159 (Stringpool_template::add_string): Assign offsets when adding new
160 strings.
161 (Stringpool_template::set_string_offsets): Do not set string offsets
162 when not optimizing.
163 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
164 member size_.
165 (Chunked_vector::clear): Clear size_.
166 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
167 (Chunked_vector::size): Return size_.
168 (Chunked_vector::push_back): Use size_ to find insert position.
169 (Chunked_vector::size_): New data member.
170 (Stringpool_template::set_no_zero_null): Assert string set is empty.
171 (Stringpool_template::new_key_offset): New method declaration.
172 (Stringpool_template::offset_): New data member.
173
b672b057
RÁE		 1742010-03-15 Rafael Espindola <espindola@google.com>
175
176 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
177 Add_symbols' constructor.
178 * readsyms.h (Add_symbols): Remove the input_group member.
179
b6848d3c
ILT		 1802010-03-10 Ian Lance Taylor <iant@google.com>
181
182 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
183 target to ask whether a reference to a symbol requires a stack
184 split.
185 * target.h (Target::is_call_to_non_split): New function.
186 (Target::do_is_call_to_non_split): Declare virtual function.
187 * target.cc: Include "symtab.h".
188 (Target::do_is_call_to_non_split): New function.
189 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
190
a2a5469e
CC		 1912010-03-10 Cary Coutant <ccoutant@google.com>
192
193 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
194 (File_read::open[1]): Remove initial mapping of whole_file_view_.
195 (File_read::open[2]): Add whole_file_view_ to list of views.
196 (File_read::make_view): Remove test of whole_file_view_.
197 (File_read::find_or_make_view): Create whole_file_view_ if
198 necessary.
199 (File_read::clear_views): Replace bool parameter with enum;
200 adjust all callers. Don't delete views with permanent data;
201 do delete cached views and views from archives if
202 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
203 if clearing the corresponding view.
204 * fileread.h (File_read::Clear_views_mode): New enum.
205 (File_read::View::is_permanent_view): New method.
206 (File_read::clear_views): Replace bool parameter
207 with enum; adjust all callers.
208 * options.h (General_options): Change keep_files_mapped option;
209 add map_whole_files.
210 * readsyms.cc (Add_symbols::run): Delete sd_ object before
211 releasing the file.
212 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
213 the file.
214
8861f32b
DM		 2152010-03-10 David S. Miller <davem@davemloft.net>
216
217 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
218
d62d0f5f
ST		 2192010-03-09 Sriraman Tallam <tmsriram@google.com>
220
221 * icf.cc (get_section_contents): Add '@' marker after processing the
222 merge reloc.
223
9177756d
DK		 2242010-03-08 Doug Kwan <dougkwan@google.com>
225
226 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
227 due to a conversion warning.
228 (Arm_relobj::update_output_local_symbol_count): Check for local
229 symbol with unset output index.
230
9e9e071b
ILT		 2312010-03-05 Ian Lance Taylor <iant@google.com>
232
233 * options.h (class General_options): Add --spare-dynamic-tags.
234 * output.cc (Output_data_dynamic::set_final_data_size): Implement
235 --spare-dynamic-tags.
236
a81ee015
ILT		 2372010-03-05 Ian Lance Taylor <iant@google.com>
238
239 * incremental.cc: Include "libiberty.h".
240
44ec90b9
RO		 2412010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
242
243 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
244 function, is_info_ member.
245 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
246 (Versions::Versions): Update caller.
247 (Versions::define_base_version): Likewise.
248 (Versions::add_def): Likewise.
249
0897ed3b
ST		 2502010-03-03 Sriraman Tallam <tmsriram@google.com>
251
252 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
253 (Scan::possible_function_pointer_reloc): New function.
254 (Scan::local_reloc_may_be_function_pointer): Change to call
255 possible_function_pointer_reloc.
256 (Scan::global_reloc_may_be_function_pointer): Ditto.
257 * icf.h (Icf::check_section_for_function_pointers): Change to reject
258 relocations in ".data.rel.ro._ZTV" section.
259 * testsuite/icf_safe_so_test.sh: Change to pass i386.
260 * testsuite/icf_safe_so_test.cc: Ditto.
261 * testsuite/icf_safe_test.cc: Ditto.
262 * testsuite/icf_safe_test.sh: Ditto.
263
d3bbad62
ILT		 2642010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
265 Ian Lance Taylor <iant@google.com>
266
267 * target-reloc.h (relocate_section): Check the symbol table index
268 for -1U before setting the local symbol index.
269 (scan_relocatable_relocs): If copying the relocation, record that
270 the local symbol is required.
271 * object.h (Symbol_value::is_output_symtab_index_set): New
272 function.
273 (Symbol_value::may_be_discarded_from_output_symtab): New
274 function.
275 (Symbol_value::has_output_symtab_entry): New function.
276 (Symbol_value::needs_output_symtab_entry): Remove.
277 (Symbol_value::output_symtab_index): Make sure the symbol index is
278 set.
279 (Symbol_value::set_output_symtab_index): Make sure the symbol
280 index is not set. Make sure the new index is valid.
281 (Symbol_value::set_must_have_output_symtab_entry): New function.
282 (Symbol_value::has_output_dynsym_entry): New function.
283 (Symbol_value::set_output_dynsym_index): Make sure the new index
284 is valid.
285 (Sized_relobj::set_must_have_output_symtab_entry): New function.
286 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
287 local symbol if permitted.
288 (Sized_relobj::do_finalize_local_symbols): Call
289 is_output_symtab_index_set rather than needs_output_symtab_entry.
290 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
291 rather than needs_output_symtab_entry. Call
292 has_output_dynsym_entry rather than needs_output_dynsym_entry.
293 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
294 is_output_symtab_index_set rather than needs_output_symtab_entry.
295 * testsuite/discard_locals_relocatable_test.c: New file.
296 * testsuite/discard_locals_test.sh: Test -r.
297 * testsuite/Makefile.am (check_DATA): Add
298 discard_locals_relocatable_test1.syms,
299 discard_local_relocatable_test2.syms.
300 (MOSTLYCLEANFILES): Likewise. Also add
301 discard_locals_relocatable_test1.lout and
302 discard_locals_relocatable_test2.out.
303 (discard_locals_relocatable_test1.syms): New target.
304 (discard_locals_relocatable_test.o): New target.
305 (discard_locals_relocatable_test1.out): New target.
306 (discard_locals_relocatable_test2.syms): New target.
307 (discard_locals_relocatable_test2.out): New target.
308 (various): Add missing ../ld-new dependencies.
309 * testsuite/Makefile.in: Rebuild.
310
7e8ccf26
NC		 3112010-03-03 Nick Clifton <nickc@redhat.com>
312
313 * po/fi.po: New Finnish translation.
314
2a0ff005
DK		 3152010-03-01 Doug Kwan <dougkwan@google.com>
316
317 * layout.cc (Layout::Layout): Force section types of .init_array*,
318 .preinit_array* and .fini_array* sections.
319 * output.cc (Output_section::Input_section_sort_entry::has_priority):
320 Fix check of return value of std::string::find.().
321 (Output_section::Input_section_sort_compare::operator()): Remove
322 comment about .init_array.
323 (Output_section::Input_section_sort_init_fini_compare::operator()):
324 New method.
325 (Output_section::sort_attached_input_sections): Handle .init_array
326 and .fini_array specially.
327 * output.h (Output_section::Inut_section_sort_compare): Update
328 comment.
329 (Output_section::Input_section_sort_init_fini_compare): New struct.
330
c3e4ae29
DK		 3312010-02-26 Doug Kwan <dougkwan@google.com>
332
333 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
334 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
335 * testsuite/debug_msg.sh: Avoid matching source line number for
336 use of global variable undef_int.
337
2fd9ae7a
DK		 3382010-02-26 Doug Kwan <dougkwan@google.com>
339
340 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
341 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
342 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
343 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
344 * options.cc (General_options::General_options): Initialize member
345 fix_v4bx_.
346 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
347 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
348 and rm_no_fix_v4bx.stdout
349 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
350 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
351 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
352 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
353 and arm_no_fix_v4bx.
354 * Makefile.in: Regenerate.
355 * testsuite/arm_fix_v4bx.s: New file.
356 * testsuite/arm_fix_v4bx.sh: Ditto.
357
67ec7d0b
DK		 3582010-02-24 Doug Kwan <dougkwan@google.com>
359
360 * arm.cc (Target_arm::got_section): Make the .got section the first
361 non RELRO section in the data segment.
362 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
363 suffixes of section names.
364
10165461
DK		 3652010-02-24 Doug Kwan <dougkwan@google.com>
366
367 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
368 flags and attributes merging if an input file is a binary file.
369 * fileread.cc (Input_file::open): Record format of original file.
370 * fileread.h (Input_file::Format): New enum type.
371 (Input_file::Input_file): Initialize data member format_.
372 (Input_file::format): New method definition.
373 (Input_file::format_):: New data member.
374
4a54abbb
DK		 3752010-02-24 Doug Kwan <dougkwan@google.com>
376
377 * arm.cc (Arm_output_data_got): New class.
378 (ARM_TCB_SIZE): New constant
379 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
380 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
381 If user uses a script with a SECTIONS clause, issue only a warning
382 for a misplaced EXIDX input section. Otherwise, issue an error.
383 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
384 garbage collection.
385 (Target_arm::got_mode_index_entry): Handle static linking.
386 (Target_arm::Scan::local): Ditto.
387 (Target_arm::Scan::global): Ditto.
388 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
389 all incorrectly implemented relocations.
390 (Target_arm::fix_exidx_coverage): Pass layout to
391 Arm_output_section::fix_exidx_coverage.
392 * layout.cc (Layout::section_name_mapping): Remove trailing dots
393 from ".ARM.exidx." and ".ARM.extab.".
394
ca419a6f
ILT		 3952010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
396
397 * arm.cc (Target_arm::do_finalize_sections): Create attribute
398 section if it does not already exist.
399 * attributes.cc (Attributes_section_data::Attributes_section_data):
400 Don't crash if size is zero.
401
135b9c78
ILT		 4022010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
403 Ian Lance Taylor <iant@google.com>
404
405 * gold.cc (queue_middle_tasks): If no input files were opened,
406 exit.
407 * workqueue.h (Task_function::Task_function): Assert that there is
408 a blocker.
409
bb0bfe4f
DK		 4102010-02-22 Doug Kwan <dougkwan@google.com>
411
412 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
413 * icf.cc (get_section_contents): Cast snprintf arguments to long long
414 types to avoid warnings due to different uint64_t implementations
415 on different hosts.
416
2a2b6d42
DK		 4172010-02-21 Doug Kwan <dougkwan@google.com>
418
419 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
420 handling of the maximum backward branch offset.
421 (Arm_relocate_functions::thumb_branch_common): Ditto.
422 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
423 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
424 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
425 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
426 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
427 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
428 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
429 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
430 thumb_bl_out_of_range thumb_bl_out_of_range.o,
431 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
432 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
433 thumb2_bl_out_of_range.o): New rules.
434 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
435 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
436 thumb2_bl_out_of_range
437 * testsuite/Makefile.in: Regenerate.
438 * testsuite/arm_bl_in_range.s: New file.
439 * testsuite/arm_bl_out_of_range.s: Ditto.
440 * testsuite/arm_branch_in_range.sh: Ditto.
441 * testsuite/arm_branch_range.t: Ditto.
442 * testsuite/thumb2_branch_range.t: Ditto.
443 * testsuite/thumb_bl_in_range.s: Ditto.
444 * testsuite/thumb_bl_out_of_range.s: Ditto.
445 * testsuite/thumb_branch_range.t: Ditto.
446
b487ad64
ST		 4472010-02-20 Sriraman Tallam <tmsriram@google.com>
448
449 * gc.h (gc_process_relocs): Change vectors to point to the new list.
450 Add reloc offset information.
451 * icf.cc (get_section_contents): Change iterators to point to the new
452 vectors. Add reloc offset information to the contents.
453 * icf.h (Icf::Sections_reachable_info): New typedef.
454 (Icf::Sections_reachable_list): New typedef.
455 (Icf::Offset_info): New typedef.
456 (Icf::Reloc_info): New struct typedef.
457 (Icf::Reloc_info_list): New typedef.
458 (Icf::symbol_reloc_list): Delete method.
459 (Icf::addend_reloc_list): Delete method.
460 (Icf::section_reloc_list): Delete method.
461 (Icf::reloc_info_list): New method.
462 (Icf::reloc_info_list_): New member.
463
f96accdf
DK		 4642010-02-19 Doug Kwan <dougkwan@google.com>
465
466 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
467 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
468 * arm.cc (Arm_relocation_functions): New forward declaration.
469 (Target_arm::Target_arm): Initialize new data members
470 got_mod_index_offset_ and tls_base_symbol_defined_.
471 (Target_arm::Relocate::relocate_tls): New method.
472 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
473 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
474 New methods.
475 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
476 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
477 (Target_arm::got_mod_index_offset_,
478 Target_arm::tls_base_symbol_defined_): New data members.
479 (Target_arm::Scan::local, Target::Scan::global,
480 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
481 relocations.
482
c8761b9a
DK		 4832010-02-18 Doug Kwan <dougkwan@google.com>
484
485 * arm.cc (Arm_relobj::find_linked_text_section): New method.
486 (Arm_relobj::make_exidx_input_section): Pass section index of linked
487 text section as a parameter becuase some broken tools may not set
488 the link in section header.
489 (Target_arm::has_got_section): New method.
490 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
491 without any mapping symbol as data only. Remove warning.
492 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
493 link in its section header, try to discover the link by inspecting the
494 REL31 relocation at the beginning of the section.
495 (Target_arm::Scan::check_non_pic): Report name of offending relocation
496 in error message.
497 (Target_arm::Scan::global): Treat any reference to the symbol
498 _GLOBAL_OFFSET_TABLE_ as a GOT access.
499
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ST		 5002010-02-12 Sriraman Tallam <tmsriram@google.com>
501
502 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
503 (Scan::global_reloc_may_be_function_pointer): New function.
504 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
505 (Scan::global_reloc_may_be_function_pointer): New function.
506 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
507 (Scan::global_reloc_may_be_function_pointer): New function.
508 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
509 (Scan::global_reloc_may_be_function_pointer): New function.
510 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
511 (Scan::global_reloc_may_be_function_pointer): New function.
512 (Scan::possible_function_pointer_reloc): New function.
513 (Target_x86_64::can_check_for_function_pointers): New function.
514 * gc.h (gc_process_relocs): Scan relocation types to determine if
515 function pointers were taken for targets that support it.
516 * icf.cc (Icf::find_identical_sections): Include functions for
517 folding in safe ICF whose pointer is not taken.
518 * icf.h (Secn_fptr_taken_set): New typedef.
519 (fptr_section_id_): New member.
520 (section_has_function_pointers): New function.
521 (set_section_has_function_pointers): New function.
522 (check_section_for_function_pointers): New function.
523 * options.h: Fix comment for safe ICF option.
524 * target.h (can_check_for_function_pointers): New function.
525 * testsuite/Makefile.am: Add icf_safe_so_test test case.
526 Modify icf_safe_test for X86-64.
527 * testsuite/Makefile.in: Regenerate.
528 * testsuite/icf_safe_so_test.cc: New file.
529 * testsuite/icf_safe_so_test.sh: New file.
530 * testsuite/icf_safe_test.cc (kept_func_3): New function.
531 (main): Change to take pointer to function kept_func_3.
532 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
533 folding is done correctly for X86-64.
534
0da6fa6c
DM		 5352010-02-12 David S. Miller <davem@davemloft.net>
536
537 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
538 is_symbolless parameter.
539 (Output_reloc<SHT_REL>::is_symbolless): New.
540 (Output_reloc<SHT_REL>::is_symbolless_): New.
541 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
542 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
543 (Output_reloc<SHT_RELA>::is_symbolless): New.
544 (Output_data_reloc::add_global): Handle is_symbolless.
545 (Output_data_reloc::add_global_relative): Likewise.
546 (Output_data_reloc::add_local): Likewise.
547 (Output_data_reloc::add_local_relative): Likewise.
548 (Output_data_reloc::add_symbolless_global_addend): New.
549 (Output_data_reloc::add_symbolless_local_addend): New.
550 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
551 is_symbolless.
552 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
553 instead of ->is_relative_
554 (Output_reloc::write): Likewise.
555 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
556 (Output_reloc::write_rel): Simplify.
557
558 * sparc.cc (Target_sparc::Scan::local): Use
559 ->add_symbolless_local_addend as needed.
560 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
561 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
562 based upon relocation offset.
563
e4782e83
DK		 5642010-02-11 Doug Kwan <dougkwan@google.com>
565
566 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
567 (Target_arm::Scan::global): Ditto. Also remove a comment before the
568 beginning of function.
569 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
570 and MOVT_ABS relocations. Those are non issued in scanning. Fix
571 parameter is_32bit in calls to should_apply_static_reloc.
572 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
573 (check_DATA): Add arm_abs_global.stdout.
574 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
575 arm_abs_global.stdout): New rules.
576 (MOSTLLYCLEANFILES): Add arm_abs_global
577 * Makefile.in: Regenerate.
578 * testsuite/arm_abs_global.s: New file.
579 * testsuite/arm_abs_global.sh: Ditto.
580 * testsuite/arm_abs_lib.s: Ditto.
581
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ILT		 5822010-02-11 Ian Lance Taylor <iant@google.com>
583
584 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
585 Read_relocs task.
586 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
587 Allocate_commons_task first.
588 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
589 task, rather than symtab_lock_.
590 (Gc_process_relocs::~Gc_process_relocs): New function.
591 (Gc_process_relocs::is_runnable): Check this_blocker_.
592 (Gc_process_relocs::locks): Use next_blocker_ rather than
593 blocker_.
594 (Scan_relocs::~Scan_relocs): New function.
595 (Scan_relocs::is_runnable): Check this_blocker_ rather than
596 symtab_lock_.
597 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
598 next_blocker_.
599 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
600 fields. Add this_blocker_ and next_blocker_ fields. Adjust
601 constructor accordingly.
602 (class Gc_process_relocs): Likewise.
603 (class Scan_relocs): Likewise.
604 * common.h (class Allocate_commons_task): Remove symtab_lock_
605 field, and corresponding constructor parameter.
606 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
607 symtab_lock_.
608 (Allocate_commons_task::locks): Likewise.
609
114dfbe1
ILT		 6102010-02-11 Ian Lance Taylor <iant@google.com>
611
612 * gold-threads.h (class Once): Define.
613 (class Initialize_lock): Rewrite as child of Once.
614 * gold-threads.cc (class Once_initialize): Define.
615 (once_pointer_control): New static variable.
616 (once_pointer, once_arg): New static variables.
617 (c_run_once): New static function.
618 (Once::Once, Once::run_once, Once::internal_run): New functions.
619 (class Initialize_lock_once): Remove.
620 (initialize_lock_control): Remove.
621 (initialize_lock_pointer): Remove.
622 (initialize_lock_once): Remove.
623 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
624 (Initialize_lock::initialize): Rewrite.
625 (Initialize_lock::do_run_once): New function.
626 * archive.cc (Archive::interpret_header): Only clear name if it is
627 not already empty.
628 * fileread.cc: Include "gold-threads.h"
629 (file_counts_lock): New static variable.
630 (file_counts_initialize_lock): Likewise.
631 (File_read::release): Only increment counts when using --stats.
632 Use a lock around the increment.
633 * parameters.cc (class Set_parameters_target_once): Define.
634 (set_parameters_target_once): New static variable.
635 (Parameters::Parameters): Move here from parameters.h.
636 (Parameters::set_target): Rewrite.
637 (Parameters::set_target_once): New function.
638 (Parameters::clear_target): Move here and rewrite.
639 * parameters.h (class Parameters): Update declarations. Add
640 set_parameters_target_once_ field.
641 (Parameters::Parameters): Move to parameters.cc.
642 (Parameters::clear_target): Likewise.
643 * readsyms.cc (Read_symbols::do_group): Create a Start_group
644 task.
645 (Start_group::~Start_group): New function.
646 (Start_group::is_runnable): New function.
647 (Start_group::locks, Start_group::run): New functions.
648 (Finish_group::run): Change saw_undefined to size_t.
649 * readsyms.h (class Start_group): Define.
650 (class Finish_group): Change saw_undefined_ field to size_t.
651 (Finish_group::Finish_group): Remove saw_undefined and
652 this_blocker parameters. Change all callers.
653 (Finish_group::set_saw_undefined): New function.
654 (Finish_group::set_blocker): New function.
655 * symtab.h (class Symbol_table): Change saw_undefined to return
656 size_t. Change saw_undefined_ field to size_t.
657 * target-select.cc (Set_target_once::do_run_once): New function.
658 (Target_selector::Target_selector): Initialize set_target_once_
659 field. Don't initialize lock_ and initialize_lock_ fields.
660 (Target_selector::instantiate_target): Rewrite.
661 (Target_selector::set_target): New function.
662 * target-select.h (class Set_target_once): Define.
663 (class Target_selector): Update declarations. Make
664 Set_target_once a friend. Remove lock_ and initialize_lock_
665 fields. Add set_target_once_ field.
666
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ILT		 6672010-02-10 Ian Lance Taylor <iant@google.com>
668
669 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
670 queueing any tasks.
671 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
672 (queue_middle_tasks): Add all blockers before queueing any tasks.
673 (queue_final_tasks): Likewise.
674 * token.h (Task_token::add_blockers): New function.
675 * object.h (Input_objects::number_of_relobjs): New function.
676
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ILT		 6772010-02-10 Ian Lance Taylor <iant@google.com>
678
5de0e392
ILT		 679 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
680 shared, not if not position independent.
681 * x86_64.cc (Relocate::relocate_tls): Likewise.
682 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
683 (tls_pie_pic_test): New target.
684 * testsuite/Makefile.in: Rebuild.
685
c7177d31
ILT		 686 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
687 (tls_test_main_pie.o, tls_test_pie.o): New targets.
688 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
689 * testsuite/Makefile.in: Rebuild.
690
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DM		 6912010-02-09 David S. Miller <davem@davemloft.net>
692
693 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
694 R_SPARC_RELATIVE using ->add_local_relative().
695 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
696
612a8d3d
DM		 697 * output.h (Output_data_dynamic::add_section_size): New method
698 that takes two Output_data objects.
699 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
700 entry param. Handle it in initializers.
701 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
702 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
703 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
704 arg.
705 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
706 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
707 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
708 for dynrel_includes_plt.
709 * i386.cc (Target_i386::do_finalize_sections): Likewise.
710 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
711 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
712 before .rela.plt
713 (Target_sparc::do_finalize_sections): Update to pass true for
714 dynrel_includes_plt.
715 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
716 output before .rela.plt
717 (Target_powerpc::do_finalize_sections): Update to pass true for
718 dynrel_includes_plt when 32-bit.
719
cb1be87e
DK		 7202010-02-08 Doug Kwan <dougkwan@google.com>
721
722 * arm.cc (Arm_relobj::simple_input_section_output_address): New
723 method.
724 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
725 Arm_relobj::scan_section_for_cortex_a8_stubs,
726 Arm_relobj::do_relocation_section): Instead of calling
727 Output_section::output_address, use faster
728 Arm_relobj::simple_input_section_output_address.
729
705b5121
DM		 7302010-02-08 David S. Miller <davem@davemloft.net>
731
732 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
733 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
734 relocation helper function.
735
024c4466
DM		 736 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
737 just like R_SPARC_GOT{10,13,22}.
738 (Target_sparc::Scan::local): Likewise.
739 (Target_sparc::Relocate:relocate): Likewise.
740
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ILT		 7412010-02-06 Ian Lance Taylor <iant@google.com>
742
743 * configure.ac: Rewrite targetobjs duplicate removal code to use
744 only shell constructs.
745 * configure: Rebuild.
746
cf846138
DK		 7472010-02-05 Doug Kwan <dougkwan@google.com>
748
749 PR 11247
750 * arm.cc (Arm_relobj::section_is_scannable): New method.
751 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
752 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
753
6cfaf60b
DK		 7542010-02-04 Doug Kwan <dougkwan@google.com>
755
756 PR 11247
757 * arm-reloc-property.cc (cstdio): Include.
758 * configure.ac (targetobjs): Remove duplicates.
759 * configure: Regenerate.
760 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
761 big and little endian version for a given address size.
762
5c57f1be
DK		 7632010-02-03 Doug Kwan <dougkwan@google.com>
764
765 * arm-reloc-property.cc
766 (Arm_reloc_property_table::reloc_name_in_error_message): New method
767 definition.
768 * arm-reloc-property.h
769 (Arm_reloc_property_table::get_implemented_static_reloc_property):
770 New method definition.
771 (Arm_reloc_property_table::reloc_name_in_error_message): New method
772 declaration.
773 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
774 overflow to N.
775 (GOT_PREL): Change implemented to Y.
776 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
777 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
778 (Arm_relocate_functions::movw_abs_nc): Remove method.
779 (Arm_relocate_functions::movt_abs): Ditto.
780 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
781 (Arm_relocate_functions::thm_movt_abs): Ditto.
782 (Arm_relocate_functions::movw_rel_nc): Ditto.
783 (Arm_relocate_functions::movw_rel): Ditto.
784 (Arm_relocate_functions::movt_rel): Ditto.
785 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
786 (Arm_relocate_functions:thm_movw_rel): Ditto.
787 (Arm_relocate_functions:thm_movt_rel): Ditto.
788 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
789 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
790 New method definitions.
791 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
792 (Arm_relocation_functions::arm_grp_ldr): Ditto.
793 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
794 (Arm_relocation_functions::arm_grp_ldc): Ditto.
795 (Target_arm::Relocate::relocate): Check for non-static or
796 unimplemented relocation code and exit early. Change calls to
797 Target_arm::reloc_uses_thumb_bit and
798 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
799 instead. Refactor code to handle similar relocations to increase
800 code sharing. Remove check for unsupported relocation code in switch
801 statement.
802 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
803 relocation property table to find out size. Change error message to
804 print out the name of a relocation code instead of the numeric value.
805 (Target_arm::scan_reloc_for_stub): Use relocation property table
806 instead of calling Target_arm::reloc_uses_thumb_bit().
807
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DK		 8082010-02-02 Doug Kwan <dougkwan@google.com>
809
810 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
811 types of relaxed input section.
812
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DK		 8132010-02-02 Doug Kwan <dougkwan@google.com>
814
815 * Makefile.am (HFILES): Add arm-reloc-property.h.
816 (DEFFILES): New.
817 (TARGETSOURCES): Add arm-reloc-property.cc
818 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
819 (libgold_a_SOURCES): $(DEFFILES)
820 * Makefile.in: Regenerate.
821 * arm-reloc-property.cc: New file.
822 * arm-reloc-property.h: New file.
823 * arm-reloc.def: New file.
824 * arm.cc: Update comments.
825 (arm-reloc-property.h): New included header.
826 (arm_reloc_property_table): New global variable.
827 (Target_arm::do_select_as_default_target): New method definition.
828 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
829 arm-reloc-property to targ_extra_obj.
830 * parameters.cc (set_parameters_target): Call
831 Target::select_as_default_target().
832 * target.h (Target::select_as_default_target): New method definition.
833 (Target::do_select_as_default_target): Same.
834
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DK		 8352010-02-01 Doug Kwan <dougkwan@google.com>
836
837 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
838 first_output_text_section_.
839 (Arm_exidx_fixup::first_output_text_section): New method definition.
840 (Arm_exidx_fixup::first_output_text_section_): New data member.
841 (Arm_exidx_fixup::process_exidx_section): Record the first text
842 output section seen.
843 (Arm_output_section::fix_exidx_coverage): Set correct linked section
844 and entsize in output section header.
845
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DK		 8462010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
847
848 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
849 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
850 (Arm_relocate_functions::thm_alu11): New Method.
851 (Arm_relocate_functions::thm_pc8): New Method.
852 (Arm_relocate_functions::thm_pc12): New Method.
853 (Target_arm::Scan::local): Handle the relocations.
854 (Target_arm::Scan::global): Likewise.
855 (Target_arm::Relocate::relocate): Likewise.
856 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
857
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DK		 8582010-01-29 Doug Kwan <dougkwan@google.com>
859
860 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
861 of relocation types as ld.
862
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DK		 8632010-01-29 Doug Kwan <dougkwan@google.com>
864
865 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
866 to public.
867 (Arm_relocate_functions::thumb_branch_common): Ditto.
868 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
869 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
870 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
871 Arm_relocate_functions::jump24): Remove.
872 (Target_arm::Relocate::relocate): Adjust code to call
873 Arm_relocation_functions::arm_branch_common and
874 Arm_relocation_functions::thumb_branch_common instead of their removed
875 wrappers. Merge switch-cases together to reduce source code size.
876
e7eca48c
DK		 8772010-01-29 Doug Kwan <dougkwan@google.com>
878
879 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
880 output_local_symbol_count_needs_update_.
881 (Arm_relobj::output_local_symbol_count_needs_update,
882 Arm_relobj::set_output_local_symbol_count_needs_update,
883 Arm_relobj::update_output_local_symbol_count): New methods.
884 (Arm_relobj::output_local_symbol_count_needs_update_): New data
885 member.
886 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
887 of pointed function as in a R_ARM_PREL31 relocation.
888 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
889 for output local symbol count updating.
890 (Target_arm::do_relax): Update output local symbol counts in objects
891 if necessary.
892 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
893
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ILT		 8942010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
895
896 * arm.cc: Added support for the ARM relocations:
897 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
898 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
899 (Arm_relocate_functions::movw_rel_nc): Renamed (was
900 movw_prel_nc).
901 (Arm_relocate_functions::movw_rel): New method.
902 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
903 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
904 thm_movw_prel_nc).
905 (Arm_relocate_functions::thm_movw_rel): New method.
906 (Arm_relocate_functions::thm_movt_rel): Renamed (was
907 thm_movt_prel).
908 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
909 relocations.
910 (Target_arm::Scan::global): Likewise.
911 (Target_arm::Relocate::relocate): Likewise.
912 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
913 Likewise.
914
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ILT		 9152010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
916
917 * arm.cc: Added support for ARM group relocations.
918 (Target_arm::reloc_needs_sym_origin): New method.
919 (Arm_relocate_functions::calc_grp_kn): New method.
920 (Arm_relocate_functions::calc_grp_residual): New method.
921 (Arm_relocate_functions::calc_grp_gn): New method.
922 (Arm_relocate_functions::arm_grp_alu): New Method.
923 (Arm_relocate_functions::arm_grp_ldr): New Method.
924 (Arm_relocate_functions::arm_grp_ldrs): New Method.
925 (Arm_relocate_functions::arm_grp_ldc): New Method.
926 (Target_arm::Scan::local): Handle the ARM group relocations.
927 (Target_arm::Scan::global): Likewise.
928 (Target_arm::Relocate::relocate): Likewise.
929 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
930 Likewise.
931
2b328d4e
DK		 9322010-01-26 Doug Kwan <dougkwan@google.com>
933
934 * arm.cc (set): Include.
935 (class Arm_exidx_fixup): Change type of last_input_section_ to const
936 pointer type.
937 (Arm_output_section::Text_section_list): New type.
938 (Arm_output_section::append_text_sections_to_list): New method.
939 (Arm_output_section::fix_exidx_coverage): Ditto.
940 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
941 (Arm_relobj::convert_input_section_to_relaxed_section): Use
942 Relobj::set_section_offset() instead of
943 Sized_relobj::invalidate_section_offset().
944 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
945 parameter for section headers. Ignore relocation sections for
946 unallocated sections and EXIDX sections.
947 (Target_arm::fix_exidx_coverage): New method.
948 (Target_arm::output_section_address_less_than): New type.
949 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
950 linked text section instead of the EXIDX section.
951 (Arm_output_section::create_stub_group): Add an assertion to check
952 that this is not an EXIDX output section.
953 (Arm_output_section::append_text_sections_to_list): New method.
954 (Arm_output_section::fix_exidx_coverage): Ditto.
955 (Arm_relobj::scan_sections_for_stubs): Adjust call to
956 Arm_relobj::section_needs_reloc_stub_scanning.
957 (Target_arm::do_relax): Fix EXIDX output section coverage in the
958 first pass.
959 (Target_arm::fix_exidx_coverage): New method.
960 * object.h (Relobj::set_output_section): New method.
961 (Sized_relobj::invalidate_section_offset): Remove method.
962 (Sized_relobj::do_invalidate_section_offset): Remove method.
963 (Sized_relobj::do_set_section_offset): Handle offset value -1.
964
c7f3c371
DK		 9652010-01-25 Doug Kwan <dougkwan@google.com>
966
967 * arm.cc (Arm_exidx_merged_section::do_output_offset):
968 Fix warning due to signed and unsigned comparison on a 32-bit host.
969
8923b24c
DK		 9702010-01-22 Doug Kwan <dougkwan@google.com>
971
972 * arm.cc (Target_arm::do_relax): Record an output section for section
973 offset adjustment it contains any stub table that has changed.
974 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
975 offsets in an output section if necessary.
976 * output.cc (Output_section::Output_section): Initialize
977 section_offsets_need_adjustments_.
978 (Output_section::add_input_section_for_script): Renamed to
979 Output_section::add_simple_input_section.
980 (Output_section::save_states): Add a comment.
981 (Output_section::discard_states): New method defintion.
982 (Output_section::adjust_section_offsets): Same.
983 * output.h (Output_section::add_input_section_for_script): Renamed to
984 Output_section::add_simple_input_section.
985 (Output_section::discard_states): New method declaration.
986 (Output_section::adjust_section_offsets): Same.
987 (Output_section::section_offsets_need_adjustment,
988 Output_section::set_section_offsets_need_adjustment): New method
989 definitions.
990 (Output_section::section_offsets_need_adjustment_): New data member.
991 * script-sections.cc
992 (Output_section_element_input::set_section_address): Adjust code for
993 renaming of Output_section::add_input_section_for_script.
994 (Orphan_output_section::set_section_address): Same.
995
9b2fd367
DK		 9962010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
997
998 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
999 Fix_v4bx enum values .
1000 * gold/options.h (General_options): New option definitions.
1001 (General_options::fix_v4bx): New method.
1002 (General_options::Fix_v4bx): New enum.
1003 * gold/options.cc (General_options::parse_fix_v4bx): New method.
1004 (General_options::parse_fix_v4bx_interworking): New method.
1005
80d0d023
DK		 10062010-01-22 Doug Kwan <dougkwan@google.com>
1007
1008 * arm.cc (Arm_exidx_fixup): New class.
1009
af2cdeae
DK		 10102010-01-21 Doug Kwan <dougkwan@google.com>
1011
1012 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1013 classes.
1014 (Arm_exidx_section_offset_map): New type.
1015
993d07c1
DK		 10162010-01-21 Doug Kwan <dougkwan@google.com>
1017
1018 * arm.cc (Arm_exidx_input_section): New class.
1019 (Arm_relobj::exidx_input_section_by_link,
1020 Arm_relobj::exidx_input_section_by_shndx,
1021 Arm_relobj::make_exidx_input_section): New methods.
1022 (read_arm_attributes_section): Remove.
1023 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1024 information about them.
1025 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1026 to here.
1027
5ac169d4
DK		 10282010-01-20 Doug Kwan <dougkwan@google.com>
1029
1030 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1031 Input_section_specifier to Section_id.
1032 (Target_arm::new_arm_input_section: Adjust code for change of key
1033 type.
1034 (Target_arm::find_arm_input_section): Ditto.
1035 * gc.h (object.h): Include for Section_id nand Section_id_hash.
1036 (Section_id): Remove.
1037 (Garbage_collection::Section_id_hash): Remove.
1038 * icf.h (object.h): Include for Section_id nand Section_id_hash.
1039 (Section_id): Remove.
1040 (Icf::Section_id_hash): Remove.
1041 * object.h (Section_id, Const_section_id, Section_id_hash,
1042 Const_section_id_hash): New type definitions.
1043 * output.cc (Output_section::add_relaxed_input_section): Change to
1044 use Const_section_id instead of Input_section_specifier as key type.
1045 (Output_section::add_merge_input_section): Ditto.
1046 (Output_section::build_relaxation_map): Change to use Section_id
1047 instead of Input_section_specifier as key type.
1048 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1049 Ditto.
1050 (Output_section::convert_input_sections_to_relaxed_sections): Change
1051 to use Const_section_id instead of Input_section_specifier as key type.
1052 (Output_section::find_merge_section): Ditto.
1053 (Output_section::find_relaxed_input_section): Ditto.
1054 * output.h (Input_section_specifier): Remove class.
1055 (Output_section::Output_section_data_by_input_section_map): Change
1056 key type to Const_section_id.
1057 (Output_section::Output_relaxed_input_section_by_input_section_map):
1058 Ditto.
1059 (Output_section::Relaxation_map): Change key type to Section_id.
1060
a2162063
ILT		 10612010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1062
1063 * gold/arm.cc: Added support for R_ARM_V4BX relocation
1064 (class Arm_v4bx_stub): New class.
1065 (DEF_STUBS): Updated definition to support v4_veneer_bx.
1066 (Stub_factory::make_arm_v4bx_stub): New method.
1067 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1068 (Stub_table::empty): Handle v4bx stubs.
1069 (Stub_table::add_arm_v4bx_stub): New method.
1070 (Stub_table::find_arm_v4bx_stub): New method.
1071 (Arm_relocate_functions::v4bx): New method.
1072 (Target_arm::fix_v4bx): New method.
1073 (Target_arm::Target_arm): Handle R_ARM_V4BX.
1074 (Stub_table::relocate_stubs): Likewise.
1075 (Stub_table::do_write): Likewise.
1076 (Stub_table::update_data_size_and_addralign): Likewise.
1077 (Stub_table::finalize_stubs): Likewise.
1078 (Target_arm::Scan::local): Likewise.
1079 (Target_arm::Scan::global): Likewise.
1080 (Target_arm::do_finalize_sections): Likewise.
1081 (Target_arm::Relocate::relocate): Likewise.
1082 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1083 Likewise.
1084 (Target_arm::scan_reloc_for_stub): Likewise.
1085 (Target_arm::scan_reloc_section_for_stubs): Likewise.
1086
5696ab0b
ILT		 10872010-01-19 Ian Lance Taylor <iant@google.com>
1088
1089 * output.cc (Output_section_headers::do_sized_write): Write large
1090 segment count to sh_info field.
1091 (Output_file_header::do_sized_write): For large segment count,
1092 write PN_XNUM to e_phnum field.
1093
800d0f56
ILT		 10942010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1095
1096 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1097 (Arm_relocate_functions::thm_jump8): New function.
1098 (Arm_relocate_functions::thm_jump11): New function.
1099 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1100 R_ARM_THM_JUMP11.
1101 (Target_arm::Scan::global): Likewise.
1102 (Target_arm::Relocate::relocate): Likewise.
1103 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1104 Likewise.
1105
41263c05
DK		 11062010-01-14 Doug Kwan <dougkwan@google.com>
1107
1108 * arm.cc (map, utility): Include headers.
1109 (Target_arm::apply_cortex_a8_workaround): New method.
1110 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1111 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1112 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1113 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1114 the --[no-]fix-cortex-a8 command line options.
1115 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1116 (Target_arm::relocate_stub): Use addend in instruction template.
1117 * options.h (DEFINE_bool): Set the user-set flag.
1118 (General_options): Add --[no-]-fix-cortex options.
1119 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
1120 : Update fast look-up map after conversion.
1121
459e9b03
ST		 11222010-01-14 Sriraman Tallam <tmsriram@google.com>
1123
1124 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1125 in the first pass of do_layout.
1126
b521dfe4
DK		 11272010-01-13 Doug Kwan <dougkwan@google.com>
1128
1129 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1130 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1131 apparent compiler problem of not folding static constant integral
1132 data members of elfcpp::Elf_sizes<32>.
1133
44272192
DK		 11342010-01-13 Doug Kwan <dougkwan@google.com>
1135
1136 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1137 Arm_relobj::section_needs_cortex_a8_stub_scanning,
1138 Arm_relobj::scan_section_for_cortex_a8_erratum,
1139 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1140 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1141 sections to scan for relocation stubs into a new method
1142 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
1143 relocation and Cortex-A8 stub scanning.
1144 (Target_arm::do_relax): Force stubs to be after stubbed sections
1145 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
1146 the beginning of a new relaxation pass. Update a comment.
1147 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1148
44b71ece
ILT		 11492010-01-12 Ian Lance Taylor <iant@google.com>
1150
1151 * target-reloc.h (visibility_error): New inline function.
1152 (relocate_section): Call visibility_error.
1153 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1154 (MOSTLYCLEANFILES): Likewise.
1155 (protected_4_pic.o, protected_3.err): New targets.
1156 * testsuite/protected_4.cc: New file.
1157
a120bc7f
DK		 11582010-01-12 Doug Kwan <dougkwan@google.com>
1159
1160 * arm.cc (Cortex_a8_reloc): New class.
1161 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1162 and cortex_a8_relocs_info_.
1163 (Target_arm::fix_cortex_a8): New method definition.
1164 (Target_arm::Cortex_a8_relocs_info): New type.
1165 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1166 New data member declarations.
1167 (Target_arm::scan_reloc_for_stub): Record information about
1168 relocations for THUMB branches that might be exempted from the
1169 Cortex-A8 workaround.
1170 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1171 at the beginning of a relaxation pass.
1172
20138696
DK		 11732010-01-12 Doug Kwan <dougkwan@google.com>
1174
1175 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1176 (Arm_relobj::Mapping_symbol_position,
1177 Arm_reloj::Mapping_symbol_position_less,
1178 Arm_relobj::Mapping_symbols_info): New types.
1179 (Target_arm::is_mapping_symbol_name): New method definition.
1180 (Arm_relobj::do_count_local_symbols): Save information about mapping
1181 symbols.
1182
089d69dc
DK		 11832010-01-11 Doug Kwan <dougkwan@google.com>
1184
1185 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1186 Arm_relocate_functions::thumb32_branch_upper,
1187 Arm_relocate_functions::thumb32_branch_lower,
1188 Arm_relocate_functions::thumb32_cond_branch_offset,
1189 Arm_relocate_functions::thumb32_cond_branch_upper,
1190 Arm_relocate_functions::thumb32_cond_branch_lower,
1191 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1192 branch offset encoding.
1193 (Arm_relocate_functions::thumb_branch_common): Use new branch
1194 offset encoding methods to avoid code duplication.
1195 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1196 (Stub_addend_reader::operator()): Use new branch encoding method
1197 to avoid code duplication.
1198
99e5bff2
DK		 11992010-01-11 Doug Kwan <dougkwan@google.com>
1200
1201 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1202 (Target_arm::do_finalize_sections): Define special EXIDX section
1203 symbols only if referenced.
1204 * gc.h (Garbage_collection::add_reference): New method.
1205 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1206 code duplication.
1207
98e090bd
ILT		 12082010-01-11 Ian Lance Taylor <iant@google.com>
1209
d0a91bd8
ILT		 1210 * script.cc (Version_script_info::build_expression_list_lookup):
1211 Change complaing about duplicate wildcard match from error to
1212 warning.
1213
98e090bd
ILT		 1214 * script.cc (class Lazy_demangler): Recreate--revert part of patch
1215 of 2009-12-30.
1216 (Version_script_info::Version_script_info): Initialize globs_,
1217 default_version_, default_is_global_, and exact_. Don't
1218 initialize globals_ or locals_.
1219 (Version_script_info::build_lookup_tables): Build local symbols
1220 first.
1221 (Version_script_info::unquote): New function.
1222 (Version_script_info::add_exact_match): New function.
1223 (Version_script_info::build_expression_list_lookup): Remove lookup
1224 parameter. Add is_global parameter. Change all callers. Handle
1225 wildcard pattern specially. Unquote pattern. Call
1226 add_exact_match.
1227 (Version_script_info::get_name_to_match): New function.
1228 (Version_script_info::get_symbol_version): New function.
1229 (Version_script_info::get_symbol_version_helper): Remove.
1230 (Version_script_info::check_unmatched_names): Call unquote.
1231 * script.h (class Version_script_info): Change get_symbol_version
1232 to be non-inline and add is_global parameter; change all callers.
1233 Rewrite symbol_is_local. Update declarations. Define struct
1234 Version_tree_match, Exact, Globs. Don't define struct Lookup.
1235 Remove globals_ and locals_ members. Add exact_, globs_,
1236 default_version_, is_global_.
1237 (Version_script_info::Glob): Remove pattern, add expression and
1238 is_global. Update constructor. Change all callers.
1239 * dynobj.cc (Versions::finalize): Mark the version symbol as the
1240 default version.
1241 (Versions::symbol_section_contents): If a symbol is undefined, or
1242 defined in a dynamic object, set the version index to
1243 VER_NDX_LOCAL.
1244 * symtab.cc (Symbol_table::add_from_relobj): Don't call
1245 symbol_is_local.
1246 (Symbol_table::add_from_pluginobj): Likewise.
1247 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1248
d56962d3
DK		 12492010-01-11 Doug Kwan <dougkwan@google.com>
1250
1251 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1252 (incremental_dump_LDADD): Add linking option for libintl.
1253 * Makefile.in: Regenerate.
1254
94e6ee91
L		 12552010-01-11 H.J. Lu <hongjiu.lu@intel.com>
1256
1257 PR gold/11144
1258 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1259 instead of -Ds.
1260 * testsuite/Makefile.in: Regenerated.
1261
e96c574b
DK		 12622010-01-10 Doug Kwan <dougkwan@google.com>
1263
1264 * options.h (DEFINE_var): Use parentheses around argument varname__
1265 in macro body to avoid any unintended subsequent substitutions.
1266
7198066b
ILT		 12672010-01-10 Ian Lance Taylor <iant@google.com>
1268
ba4d53bf
ILT		 1269 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1270 candidates before doing symbol resolution.
1271
7198066b
ILT		 1272 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1273 ODR candidates if only one is weak.
1274
a2beed37
ILT		 12752010-01-08 Ian Lance Taylor <iant@google.com>
1276
1277 * script.cc (Version_script_info::build_expression_list_lookup):
1278 Don't warn about ambiguous version, just record the ambiguity.
1279 (Version_script_info::get_symbol_version_helper): Give error if
1280 version is ambiguous.
1281
2fb7225c
DK		 12822010-01-08 Doug Kwan <dougkwan@google.com>
1283
1284 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1285 prev_data_size_ and prev_addralign_. Remove initializer for
1286 deleted data member has_been_changed_.
1287 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1288 to determine if the table is empty.
1289 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1290 Remove.
1291 (Stub_table::add_reloc_stub): Define method in class definition
1292 instead of just declaring it there.
1293 (Stub_table::add_cortex_a8_stub): New method definition.
1294 (Stub_table::update_data_size_and_addralign): Ditto.
1295 (Stub_table::finalize_stubs): Ditto.
1296 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1297 (Stub_table::do_addralign_): Return address alignment in the
1298 (Stub_table::do_reset_address_and_file_offset): Define method in
1299 class definition instead of declaring it there. Set current data
1300 size to be the data size of the previous pass.
1301 (Stub_table::set_final_data_size): Use current data size as the
1302 final data size.
1303 (Stub_table::relocate_stub): Change parameter type of stub from
1304 Reloc_stub pointer to Stub pointer.
1305 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1306 (Stub_table::Cortex_a8_stub_list): New typedef.
1307 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1308 Stub_table::prev_addralign_): New data member.
1309 (Arm_relobj::Arm_relobj): Initialize data member
1310 section_has_cortex_a8_workaround_.
1311 (Arm_relobj::section_has_cortex_a8_workaround,
1312 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1313 definitions.
1314 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1315 declarations.
1316 (Target_arm::relocate_stub): Change parameter type of stub from
1317 Reloc_stub pointer to Stub pointer.
1318 (Insn_template::size, Insn_template::alignment): Handle
1319 THUMB16_SPECIAL_TYPE.
1320 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1321 Stub_table::update_data_size_and_addralign,
1322 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1323 definitions.
1324 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1325 (Stub_table::do_write): Ditto.
1326 (Target_arm::do_relax): Adjust code for changes in Stub_table.
1327
880cd20d
ILT		 13282010-01-08 Ian Lance Taylor <iant@google.com>
1329
1330 PR 11108
1331 * symtab.h (class Symbol): Remove fields is_target_special_ and
1332 has_plt_offset_. Add field is_defined_in_discarded_section_.
1333 (Symbol::is_defined_in_discarded_section): New function.
1334 (Symbol::set_is_defined_in_discarded_section): New function.
1335 (Symbol::has_plt_offset): Rewrite.
1336 (Symbol::set_plt_offset): Verify that new offset is not -1U.
1337 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1338 Don't initialize is_target_special_ or has_plt_offset_.
1339 Initialize is_defined_in_discarded_section_.
1340 (Symbol_table::add_from_relobj): If appropriate, set
1341 is_defined_in_discarded_section.
1342 * resolve.cc (Symbol::override_base_with_special): Don't test
1343 is_target_special_. Change has_plt_offset_ to has_plt_offset().
1344 * target-reloc.h (relocate_section): Do special handling for
1345 symbols defined in discarded sections for global symbols as well
1346 as local symbols.
1347
2703e3eb
ILT		 13482010-01-08 Ian Lance Taylor <iant@google.com>
1349
1350 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1351 the SHT_SYMTAB case.
1352
339d40a3
ILT		 13532010-01-08 Ian Lance Taylor <iant@google.com>
1354
1355 * object.cc (Sized_relobj::do_layout): Don't get confused if
1356 layout_eh_frame returns NULL.
1357
abecea76
ILT		 13582010-01-08 Ian Lance Taylor <iant@google.com>
1359
1360 PR 11084
1361 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1362 dynamic symbol table, use the normal symbol table.
1363 (Sized_dynobj::do_read_symbols): Remove assertion about type of
1364 symbol table.
1365
6b7dd3f3
ILT		 13662010-01-08 Ian Lance Taylor <iant@google.com>
1367
1368 PR 11072
1369 * layout.cc (Layout::include_section): Remove .gnu_debuglink
1370 sections.
1371
36c50e63
L		 13722010-01-08 H.J. Lu <hongjiu.lu@intel.com>
1373
1374 * version.cc (print_version): Change to "Copyright 2010".
1375
e291e7b9
ILT		 13762010-01-08 Ian Lance Taylor <iant@google.com>
1377
1378 PR 10287
1379 PR 11063
1380 * i386.cc (class Target_i386): Change return type of plt_section
1381 to be non-const.
1382 (class Output_data_plt_i386): Add tls_desc_rel_ field.
1383 (Output_data_plt_i386::Output_data_plt_i386): Initialize
1384 tls_desc_rel_ field.
1385 (Output_data_plt_i386::rel_tls_desc): New function.
1386 (Target_i386::rel_tls_desc_section): New function.
1387 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1388 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1389 R_386_TLS_DESC reloc in rel_tls_desc_section.
1390 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1391 Define struct Tlsdesc_info.
1392 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1393 (Target_x86_64::do_reloc_symbol_index): New function.
1394 (Target_x86_64::add_tlsdesc_info): New function.
1395 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1396 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1397 tlsdesc_rel_ field.
1398 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
1399 all callers.
1400 (Output_data_plt_x86_64::rela_tlsdesc): New function.
1401 (Target_x86_64::rela_tlsdesc_section): New function.
1402 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1403 handling.
1404 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1405 (Target_x86_64::do_reloc_addend): New function.
1406 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1407 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1408 declarations. Define TARGET_CODE. Add arg field to u1_ union.
1409 (Output_reloc::type): New function.
1410 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1411 (Output_reloc::is_target_specific): New function.
1412 (Output_reloc::target_arg): New function.
1413 (class Output_reloc) [SHT_RELA]: Add four new constructors for
1414 absolute relocs and target specific relocs.
1415 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1416 add_target_specific.
1417 (class Output_data_reloc) [SHT_RELA]: Likewise.
1418 * output.cc (Output_reloc::Output_reloc): Add four new versions
1419 for absolute relocs and target specific relocs.
1420 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1421 (Output_reloc::get_symbol_index): Likewise.
1422 (Output_reloc::local_section_offset): Check that local_sym_index_
1423 is not TARGET_CODE or 0.
1424 (Output_reloc::symbol_value): Likewise.
1425 (Output_reloc::write) [SHT_RELA]: Call target for target specific
1426 reloc.
1427 * target.h (class Target): Add reloc_symbol_index and reloc_addend
1428 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
1429 functions.
1430 * layout.cc (add_target_dynamic_tags): Use output section for
1431 DT_PLTRELSZ and DT_JMPREL.
1432
3a44184e
ILT		 14332010-01-07 Ian Lance Taylor <iant@google.com>
1434
1435 PR 11061
1436 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1437 function.
1438 (class Output_data_reloc_generic): Define.
1439 (class Output_data_reloc_base): Change base class to
1440 Output_data_reloc_generic. Change add() method to call
1441 bump_relative_reloc_count for a relative reloc. Remove
1442 sort_relocs_ field.
1443 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1444 to sort_relocs().
1445 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1446 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
1447 appropriate.
1448 * layout.h (class Layout): Update declaration.
1449
ea715a34
ILT		 14502010-01-07 Ian Lance Taylor <iant@google.com>
1451
1452 * output.h (class Output_data): Add const version of
1453 output_section and do_output_section.
1454 (class Output_section_data): Add const version of
1455 do_output_section.
1456 (class Output_section): Likewise.
1457 * layout.cc (Layout::add_target_dynamic_tags): New function.
1458 * layout.h (class Layout): Update declarations.
1459 * arm.cc (Target_arm::do_finalize_sections): Use
1460 add_target_dynamic_tags.
1461 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1462 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1463 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1464 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1465
659948a4
ILT		 14662010-01-07 Ian Lance Taylor <iant@google.com>
1467
1468 PR 11042
1469 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1470 object as needed.
1471
9d3b86f6
ILT		 14722010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
1473 Ian Lance Taylor <iant@google.com>
1474
1475 PR 11019
1476 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1477 Xindex::read_symtab_xindex.
1478
bb0d3eb0
DK		 14792010-01-07 Doug Kwan <dougkwan@google.com>
1480
1481 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1482 (Insn_template::thumb16_bcond_insn): New method declaration.
1483 (Insn_template): Fix spelling.
1484 (Stub::thumb16_special): New method declaration.
1485 (Stub::do_write): Define virtual method which was previously pure
1486 virtual.
1487 (Stub::do_thumb16_special): New method declaration.
1488 (Stub::do_fixed_endian_write): New template member.
1489 (Reloc_stub::do_write): Remove.
1490 (Reloc_stub::do_fixed_endian_write): Remove.
1491 (Cortex_a8_stub): New class definition.
1492 (Stub_factory::make_cortex_a8_stub): New method definition.
1493 (Stub_factory::Stub_factory): Add missing static storage class
1494 qualifier for elf32_arm_stub_a8_veneer_blx.
1495
ffeef7df
ILT		 14962010-01-07 Ian Lance Taylor <iant@google.com>
1497
dc3f80fe
ILT		 1498 PR 10980
1499 * options.h (class General_options): Add --warn-unresolved-symbols
1500 and --error-unresolved-symbols.
1501 * errors.cc (Errors::undefined_symbol): Implement
1502 --warn-unresolved-symbols.
1503
ffeef7df
ILT		 1504 * options.h (class General_options): Add -z text and -z textoff.
1505 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1506
f1ec9ded
ST		 15072010-01-06 Sriraman Tallam <tmsriram@google.com>
1508
1509 * gc.h (Garbage_collection::Cident_section_map): New typedef.
1510 (Garbage_collection::cident_sections): New function.
1511 (Garbage_collection::add_cident_section): New function.
1512 (Garbage_collection::cident_sections_): New member.
1513 (gc_process_relocs): Add references to sections whose names are C
1514 identifiers.
1515 * gold.h (cident_section_start_prefix): New constant.
1516 (cident_section_stop_prefix): New constant.
1517 (is_cident): New function.
1518 * layout.cc (Layout::define_section_symbols): Replace string constants
1519 with the newly defined constants.
1520 * object.cc (Sized_relobj::do_layout): Track sections whose names are
1521 C identifiers.
1522 * testsuite/Makefile.am: Add gc_orphan_section_test.
1523 * testsuite/Makefile.in: Regenerate.
1524 * testsuite/gc_orphan_section_test.cc: New file.
1525 * testsuite/gc_orphan_section_test.sh: New file.
1526
6eda8c29
ILT		 15272010-01-06 Ian Lance Taylor <iant@google.com>
1528
b9674e17
ILT		 1529 PR 10980
1530 * options.h (class General_options): Add --warn-shared-textrel.
1531 * layout.cc (Layout::finish_dynamic_section): Implement
1532 --warn-shared-textrel.
1533
6eda8c29
ILT		 1534 PR 10980
1535 * options.h (class General_options): Add --warn-multiple-gp.
1536
32dcd44e
ILT		 15372010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1538
1539 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1540 $(THREADSLIB) and $(LIBDL).
1541 * Makefile.in: Rebuild.
1542
a192ba05
ILT		 15432010-01-06 Ian Lance Taylor <iant@google.com>
1544
1545 PR 10980
1546 * options.cc (General_options::parse_section_start): New function.
1547 (General_options::section_start): New function.
1548 (General_options::General_options): Initialize all members.
1549 * options.h: Include <map>
1550 (class General_options): Add --section-start. Add section_starts_
1551 member.
1552 * layout.cc (Layout::attach_allocated_section_to_segment): If
1553 --section-start was used, set the address of the segment. Remove
1554 local sort_sections.
1555 (Layout::relaxation_loop_body): If the address of the load segment
1556 has been set by --section-start, don't use it.
1557 * output.h (Output_segment::update_flags_for_output_section): New
1558 function.
1559 * output.cc (Output_segment::add_output_section): Call
1560 update_flags_for_output_section.
1561
dde3f402
ILT		 15622010-01-05 Ian Lance Taylor <iant@google.com>
1563
62dfdd4d
ILT		 1564 PR 10980
1565 * options.h (class General_options): Add --undefined-version.
1566 * script.cc (struct Version_expression): Add was_matched_by_symbol
1567 field.
1568 (Version_script_info::matched_symbol): New function.
1569 (Version_script_info::get_symbol_version_helper): Call
1570 matched_symbol.
1571 (Version_script_info::check_unmatched_names): New function.
1572 * script.h (class Version_script_info): Update declarations.
1573 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1574
9c4ae156
ILT		 1575 * options.h (class General_options): Use DEFINE_bool_alias for
1576 allow_multiple_definition.
1577 * resolve.cc (Symbol_table::should_override): Don't test
1578 allow_multiple_definition.
1579
dde3f402
ILT		 1580 PR 10980
1581 * options.h (class General_options): Add --cref.
1582 * main.cc (main): Print cref table if --cref. Don't close mapfile
1583 until after printing cref table.
1584 * cref.cc: Include "symtab.h".
1585 (class Cref_inputs): Define Cref_table_compare and Cref_table.
1586 (Cref_table_compare::operator()): New function.
1587 (Cref_inputs::gather_cref): New function.
1588 (filecol): New static const.
1589 (Cref_inputs::print_cref): New function.
1590 (Cref::print_cref): New function.
1591 * cref.h: Include <cstdio>.
1592 (class Cref): Update declarations.
1593 * mapfile.h (Mapfile::file): New function.
1594 * object.h (class Object): Define Symbols. Declare virtual
1595 do_get_global_symbols.
1596 (Object::get_global_symbols): New function.
1597 * object.cc (Input_objects::add_object): Pass object to cref_ if
1598 --cref.
1599 (Input_objects::archive_start): Likewise.
1600 (Input_objects::archive_stop): Likewise.
1601 (Input_objects::print_cref): New function.
1602 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1603 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1604 --cref.
1605 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1606 function.
1607 * plugin.h (class Sized_pluginobj): Update declarations.
1608
8781f709
ILT		 16092010-01-05 Ian Lance Taylor <iant@google.com>
1610
1611 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1612 to is_default_version. Rename insdef to insdefault.
1613 (Symbol_table::add_from_relobj): Rename def to is_default_version
1614 and local to is_forced_local.
1615 (Symbol_table::add_from_pluginobj): Likewise.
1616 (Symbol_table::add_from_dynobj): Likewise.
1617 (Symbol_table::define_special_symbol): Rename insdef to
1618 insdefault.
1619
fe35d28d
ILT		 16202010-01-04 Ian Lance Taylor <iant@google.com>
1621
30bc8c46
ILT		 1622 PR 10980
1623 * options.h (class General_options): Add
1624 --allow-multiple-definition and -z muldefs.
1625 * resolve.cc (Symbol_table::should_override): Don't warn about a
1626 multiple symbol definition if --allow-multiple-definition or -z
1627 muldefs.
1628
7eaea549
ILT		 1629 PR 10980
1630 * options.h (class General_options): Add --add-needed and
1631 --copy-dt-needed-entries. Tweak --as-needed help entry.
1632 * object.cc (Input_objects::check_dynamic_dependencies): Give an
1633 error if --copy-dt-needed-entries aka --add-needed is used and
1634 would cause a change in behaviour.
1635
fe35d28d
ILT		 1636 PR 10980
1637 * options.h (class General_options): Add -G as a short version of
1638 --shared. Add no-op options -assert, -g, and -i.
1639
55a2bb35
ST		 16402010-01-04 Sriraman Tallam <tmsriram@google.com>
1641
1642 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1643 check for .text or .gnu.linkonce.t sections.
1644 * icf.cc (Icf::find_identical_sections): Ditto.
1645 Change the detection for mangled function name within the section
1646 name.
1647 * icf.h (is_section_foldable_candidate): New function.
1648
719328e1
ILT		 16492009-12-30 Ian Lance Taylor <iant@google.com>
1650
1651 PR 10980
1652 * options.h (class General_options): Permit two dashes with
1653 --retain-symbols-file.
1654
d7bb5745
ILT		 16552009-12-30 Ian Lance Taylor <iant@google.com>
1656
403a15dd
ILT		 1657 PR 10979
1658 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1659 don't put the file header and segment headers in the text
1660 segment.
1661
eda294df
ILT		 1662 PR 10979
1663 * common.cc (Sort_commons::operator()): Stabilize sort when both
1664 entries are NULL.
1665 (Symbol_table::do_allocate_commons_list): When allocating common
1666 symbols, skip a symbol which is no longer common.
1667 * symtab.h (Symbol::is_common): Test whether the symbol comes from
1668 an object before checking its type.
1669 * testsuite/common_test_2.c: New file.
1670 * testsuite/common_test_3.c: New file.
1671 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1672 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1673 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1674 (common_test_2_pic.o, common_test_2.so): New targets.
1675 (common_test_3_pic.o, common_test_3.so): New targets.
1676 * testsuite/Makefile.in: Rebuild.
1677
d7bb5745
ILT		 1678 PR 10979
1679 * script.cc (read_input_script): If we see a new SECTIONS clause,
1680 and we have added an input section, give an error.
1681 * layout.h (class Layout): Add have_added_input_section function.
1682 Add have_added_input_section_ field.
1683 * layout.cc (Layout::Layout): Initialize
1684 have_added_input_section_.
1685 (Layout::layout): Set have_added_input_section_.
1686 (Layout::layout_eh_frame): Likewise.
1687
fc59c572
ILT		 16882009-12-30 Ian Lance Taylor <iant@google.com>
1689
1690 PR 10931
1691 * options.h (class General_options): Add --sort-common option.
1692 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1693 * common.cc (Sort_common): Add sort_order parameter to
1694 constructor. Add sort_order_ field.
1695 (Sort_commons::operator): Check sort_order_.
1696 (Symbol_table::allocate_commons): Determine the sort order.
1697 (Symbol_table::do_allocate_commons): Add sort_order parameter.
1698 Change all callers.
1699 (Symbol_table::do_allocate_commons_list): Likewise.
1700
1c74fab0
ILT		 17012009-12-30 Ian Lance Taylor <iant@google.com>
1702
1703 PR 10916
1704 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1705 symbols from this object, don't change the visibility of an
1706 undefined symbol.
1707 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1708
6affe781
ILT		 17092009-12-30 Ian Lance Taylor <iant@google.com>
1710
1711 PR 10861
1712 * script.h (class Version_script_info): Define Language enum.
1713 Update declarations. Define Glob, Exact, and Lookup types. Add
1714 new fields globals_, locals_, and is_finalized_.
1715 * script.cc: Various formatting fixes.
1716 (class Parser_closure): Change language_stack_ from a vector of
1717 std::string to one of Version_script_info::Language. Adjust all
1718 uses accordingly.
1719 (class Lazy_demangler): Remove.
1720 (struct Version_expression): Change language from std::string to
1721 Version_script_info::Language.
1722 (Version_script_info::Version_script_info): New function.
1723 (Version_script_info::~Version_script_info): Don't call clear.
1724 (Version_script_info::finalize): New function.
1725 (Version_script_info::build_lookup_tables): New function.
1726 (Version_script_info::build_expression_list_lookup): New
1727 function.
1728 (Version_script_info::get_symbol_version_helper): Rewrite to use
1729 lookup tables.
1730 (Version_script_info::print_expression_list): Adjust to use
1731 Version_script_info::Language.
1732 (script_push_lex_into_version_mode): Check that the version script
1733 has not been finalized.
1734 (version_script_push_lang): Change language string to
1735 Version_script_info::Language.
1736 * options.cc (Command_line::version_script): New function.
1737 * options.h (class General_options): Add finalize_dynamic_list
1738 function. Change version_script from declaration to definition.
1739 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1740 * testsuite/version_script.map: Remove duplicate def of foo.
1741 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1742 version_script.map.
1743 * testsuite/Makefile.in: Rebuild.
1744
818bf354
ILT		 17452009-12-30 Ian Lance Taylor <iant@google.com>
1746
1747 PR 10843
1748 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1749 if the input symbol index is 0, make the output symbol index 0.
1750
ebcc8304
ILT		 17512009-12-30 Ian Lance Taylor <iant@google.com>
1752
1753 PR 10670
1754 * options.h (class General_options): Add -x/--discard-all.
1755 * object.cc (Sized_relobj::do_count_local_symbols): Handle
1756 --discard-all. If the local symbol needs a dynamic entry, check
1757 that before handling --discard-locals.
1758
176fe33f
ILT		 17592009-12-30 Ian Lance Taylor <iant@google.com>
1760
bb321bb1
ILT		 1761 PR 10450
1762 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1763 flags to PF_R.
1764 (Output_segment::add_output_section): Don't change the flags if
1765 the type is PT_TLS.
1766
176fe33f
ILT		 1767 PR 10450
1768 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1769 GNU hash table if they need a dynamic value. Otherwise, don't add
1770 them if they are defined in a dynamic object or are forced local.
1771
e8cd95c7
ILT		 17722009-12-29 Ian Lance Taylor <iant@google.com>
1773
1b81fb71
ILT		 1774 PR 10450
1775 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1776 .gnu.hash table for a 32-bit target.
1777
8d6d383d
ILT		 1778 PR 10450
1779 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1780 regular and a dynamic object only needs a dynamic symbol table
1781 entry if it is externally visible.
1782
e785ec03
ILT		 1783 PR 10450
1784 * i386.cc (class Target_i386): Initialize global_offset_table_ in
1785 constructor. Add global_offset_table_ field.
1786 (Target_i386::got_section): Set global_offset_table_.
1787 (Target_i386::do_finalize_sections): Set global_offset_table_
1788 size.
1789 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1790 in constructor. Add global_offset_table_ field.
1791 (Target_x86_64::got_section): Set global_offset_table_.
1792 (Target_x86_64::do_finalize_sections): Set global_offset_table_
1793 size.
1794
1a2dff53
ILT		 1795 * layout.cc (Layout::Layout): Initialize increase_relro_.
1796 (Layout::get_output_section): Add is_relro, is_last_relro, and
1797 is_first_non_relro parameters. Change all callers.
1798 (Layout::choose_output_section): Likewise.
1799 (Layout::add_output_section_data): Likewise.
1800 (Layout::make_output_section): Likewise.
1801 (Layout::set_segment_offsets): Clear increase_relro when using a
1802 linker script.
1803 * layout.h (class Layout): Add increase_relro method. Add
1804 increase_relro_ field. Update declarations.
1805 * output.cc (Output_section::Output_section): Initialize
1806 is_last_relro_ and is_first_non_relro_.
1807 (Output_segment::add_output_section): Group relro sections is
1808 do_sort is true. Handle is_last_relro and is_first_non_relro.
1809 (Output_segment::maximum_alignment): Remove relro handling.
1810 (Output_segment::set_section_addresses): Add increase_relro
1811 parameter. Change all callers. Add initial alignment to align
1812 relro sections on separate page. Remove old relro handling.
1813 (Output_segment::set_section_list_addresses): Remove in_relro
1814 parameter. Change all callers.
1815 (Output_segment::set_offset): Add increase parameter. Change all
1816 callers. Remove old relro handling.
1817 * output.h (class Output_section): Add new methods: is_last_relro,
1818 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1819 Add is_last_relro_ and is_first_non_relro_ fields.
1820 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1821 Create separate .got.plt section. Call increase_relro.
1822 * x86_64.cc (Target_x86_64::got_section): Likewise.
1823 * testsuite/relro_script_test.t: Add .got.plt.
1824
f0ba79e2
ILT		 1825 PR 10450
1826 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1827 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1828 (Layout::finalize): Call set_dynamic_symbol_size.
1829 (Layout::set_dynamic_symbol_size): New function.
1830 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
1831 set_dynamic_symbol_size.
1832
e8cd95c7
ILT		 1833 PR 10450
1834 * output.h (class Output_section): Add is_entsize_zero_ field.
1835 * output.cc (Output_section::Output_section): Initialize
1836 is_entsize_zero_.
1837 (Output_section::set_entsize): If two different entsizes are
1838 requested, force it to zero.
1839 (Output_section::add_input_section): Set flags for .debug_str
1840 before updating section flags. Set entsize.
1841 (Output_section::update_flags_for_input_section): Set SHF_MERGE
1842 and SHF_STRING if all input sections have those flags.
1843
3e1b9a8a
RÁE		 18442009-12-29 Rafael Espindola <espindola@google.com>
1845
1846 * main.cc (main): Fix the sys time reporting.
e8cd95c7
ILT		 1847 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1848 reporting.
3e1b9a8a 1849
3dcad376
ST		 18502009-12-29 Sriraman Tallam <tmsriram@google.com>
1851
1852 * options.cc (General_options::parse_version): Allow -v to exit
1853 without an error if there is nothing to link.
1854
084e2665
ILT		 18552009-12-29 Ian Lance Taylor <iant@google.com>
1856
1857 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1858 using a version of gcc before 4.1.
1859 * configure: Rebuild.
1860
250acde3
CD		 18612009-12-28 Chris Demetriou <cgd@google.com>
1862
1863 * attributes.cc (Output_attributes_section_data::do_write): Use
1864 std::vector::front rather than std::vector::data.
1865
99fff23b
ILT		 18662009-12-28 Ian Lance Taylor <iant@google.com>
1867
1868 * symtab.h (class Symbol_table): Add enum Defined.
1869 * resolve.cc (Symbol_table::should_override): Add defined
1870 parameter. Change all callers. Test whether object is NULL
1871 before calling a method on it.
1872 (Symbol_table::report_resolve_problem): Add defined parameter.
1873 Change all callers.
1874 (Symbol_table::should_override_with_special): Likewise.
1875 * symtab.cc (Symbol_table::define_in_output_data): Add defined
1876 parameter. Change all callers.
1877 (Symbol_table::do_define_in_output_data): Likewise.
1878 (Symbol_table::define_in_output_segment): Likewise.
1879 (Symbol_table::do_define_in_output_segment): Likewise.
1880 (Symbol_table::define_as_constant): Likewise.
1881 (Symbol_table::do_define_as_constant): Likewise.
1882 * script.h (class Symbol_assignment): Add is_defsym parameter to
1883 constructor; change all callers.
1884 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1885 parameter. Change all callers. Add is_defsym_ field.
1886 (class Parser_closure): Add parsing_defsym parameter to
1887 constructor; change all callers. Add parsing_defsym accessor
1888 function. Add parsing_defsym_ field.
1889
556bd683
ILT		 18902009-12-28 Ian Lance Taylor <iant@google.com>
1891
1892 * gold.cc (queue_middle_tasks): Fix formatting.
fa618ee4 1893 * object.cc (Relobj::is_section_name_included): Likewise.
556bd683 1894
1782c879
ILT		 18952009-12-23 Ian Lance Taylor <iant@google.com>
1896
1897 * i386.cc (Target_i386::do_calls_non_split): Recognize
1898 -fsplit-stack prologue for a function with a static chain.
cbc999b9
ILT		 1899 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1900 -fsplit-stack prologue when using %r11.
1782c879 1901
329ca2b1
ST		 19022009-12-21 Sriraman Tallam <tmsriram@google.com>
1903
1904 * options.cc (General_options::parse_version): Make -v continue and do
1905 the link like GNU ld does.
1906
d675ff46
RÁE		 19072009-12-17 Rafael Avila de Espindola <espindola@google.com>
1908
1909 * Makefile.am (CCFILES): Add timer.cc.
1910 (HFILES): Add timer.h.
1911 * configure.ac: Check for sysconf and times.
1912 * main.cc: include timer.h.
1913 (main): Use Timer instead of get_run_time.
1914 * timer.cc: New.
1915 * timer.h: New.
1916 * workqueue.cc: include timer.h.
1917 (Workqueue::find_and_run_task):
1918 Report user, sys and wall time.
1919 * Makefile.in: Regenerate.
1920 * config.in: Regenerate.
1921 * configure: Regenerate.
1922
d6344fb5
DK		 19232009-12-16 Doug Kwan <dougkwan@google.com>
1924
1925 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1926 sections.
1927 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1928 relaxed input sections.
1929 * output.cc (Output_section::find_relaxed_input_section): Change
1930 return type to Output_relaxed_input_section pointer. Adjust code
1931 for new type of relaxed_input_section_map_.
1932 * output.h (Output_section::find_relaxed_input_section): Change
1933 return type to Output_relaxed_input_section pointer.
1934 (Output_section::Output_relaxed_input_section_by_input_section_map):
1935 New type.
1936 (Output_section::relaxed_input_section_map_): Change type to
1937 Output_section::Output_relaxed_input_section_by_input_section_map.
1938 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1939 input section.
1940
0e0d5469
ILT		 19412009-12-15 Ian Lance Taylor <iant@google.com>
1942
1943 * layout.cc (Layout::create_shstrtab): Only write out after input
1944 sections if we are compressing debug sections.
1945
0649a889
ILT		 19462009-12-15 Ian Lance Taylor <iant@google.com>
1947
1948 * archive.cc (Archive::add_symbols): Only look up a symbol without
1949 a version if there is, in fact, a version.
1950
2ea97941
ILT		 19512009-12-14 Ian Lance Taylor <iant@google.com>
1952
1953 Revert -Wshadow changes, all changes from:
1954 2009-12-11 Doug Kwan <dougkwan@google.com>
1955 2009-12-11 Nick Clifton <nickc@redhat.com>
1956 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1957
b0eec2cc
DK		 19582009-12-11 Doug Kwan <dougkwan@google.com>
1959
1960 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1961 due to -Wshadow.
1962 * attributes.cc (Object_attribute::size): Ditto.
1963 (Attributes_section_data::size): Ditto.
1964 (Attributes_section_data::Attributes_section_data): Ditto.
1965 (Output_attributes_section_data::do_write): Ditto.
1966 * attributes.h (Object_attribute::set_type): Ditto.
1967 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1968
91d6fa6a
NC		 19692009-12-11 Nick Clifton <nickc@redhat.com>
1970
1971 * archive.cc: Fix shadowed variable warnings.
1972 * arm.cc: Likewise.
1973 * compressed_output.cc: Likewise.
1974 * compressed_output.h: Likewise.
1975 * configure: Likewise.
1976 * dwarf_reader.cc: Likewise.
1977 * dynobj.cc: Likewise.
1978 * dynobj.h: Likewise.
1979 * ehframe.cc: Likewise.
1980 * ehframe.h: Likewise.
1981 * errors.cc: Likewise.
1982 * expression.cc: Likewise.
1983 * fileread.cc: Likewise.
1984 * fileread.h: Likewise.
1985 * freebsd.h: Likewise.
1986 * i386.cc: Likewise.
1987 * icf.cc: Likewise.
1988 * incremental.h: Likewise.
1989 * layout.cc: Likewise.
1990 * layout.h: Likewise.
1991 * mapfile.cc: Likewise.
1992 * merge.cc: Likewise.
1993 * merge.h: Likewise.
1994 * object.cc: Likewise.
1995 * object.h: Likewise.
1996 * options.h: Likewise.
1997 * output.cc: Likewise.
1998 * output.h: Likewise.
1999 * parameters.cc: Likewise.
2000 * plugin.cc: Likewise.
2001 * powerpc.cc: Likewise.
2002 * reduced_debug_output.cc: Likewise.
2003 * reduced_debug_output.h: Likewise.
2004 * reloc.cc: Likewise.
2005 * reloc.h: Likewise.
2006 * resolve.cc: Likewise.
2007 * script-sections.cc: Likewise.
2008 * script.cc: Likewise.
2009 * script.h: Likewise.
2010 * sparc.cc: Likewise.
2011 * symtab.cc: Likewise.
2012 * symtab.h: Likewise.
2013 * target-select.cc: Likewise.
2014 * target-select.h: Likewise.
2015 * token.h: Likewise.
2016 * workqueue.cc: Likewise.
2017 * workqueue.h: Likewise.
2018 * x86_64.cc: Likewise.
2019
a0351a69
DK		 20202009-12-10 Doug Kwan <dougkwan@google.com>
2021
2022 * arm.cc (attributes.h): New include.
2023 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2024 (Arm_relobj::~Arm_relobj): Delete object pointed by
2025 attributes_section_data_.
2026 (Arm_relobj::attributes_section_data): New method definition.
2027 (Arm_relobj::attributes_section_data_): New data member declaration.
2028 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2029 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2030 attributes_section_data_.
2031 (Arm_dynobj::attributes_section_data): New method definition.
2032 (Arm_dynobj::attributes_section_data_): New data member declaration.
2033 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
2034 initialization value of may_use_blx_ to false.
2035 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2036 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2037 object attributes to compute results instead of hard-coding.
2038 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2039 Target_arm::get_secondary_compatible_arch,
2040 Target_arm::set_secondary_compatible_arch
2041 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2042 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2043 New method declarations.
2044 (Target_arm::get_aeabi_object_attribute): New method definition.
2045 (Target_arm::attributes_section_data_): New data member declaration.
2046 (read_arm_attributes_section): New template definition.
2047 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2048 (Arm_dynobj::do_read_symbols): Ditto.
2049 (Target_arm::do_finalize_sections): Merge attributes sections from
2050 input. Check for BLX use after attributes section merging.
2051 Fix __exidx_start and __exidx_end visibility. Create an
2052 .ARM.attributes section if necessary.
2053 (Target_arm::get_secondary_compatible_arch,
2054 Target_arm::set_secondary_compatible_arch,
2055 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2056 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
2057 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
2058 New method definitions.
2059
b59befec
ILT		 20602009-12-09 Ian Lance Taylor <iant@google.com>
2061
2062 * plugin.cc (Plugin::load): Don't cast from void* to a function
2063 pointer.
2064
1276bc89
ILT		 20652009-12-09 Ian Lance Taylor <iant@google.com>
2066
2067 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2068 information fields.
2069
2f2de248
L		 20702009-12-09 H.J. Lu <hongjiu.lu@intel.com>
2071
2072 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2073 Replace two_file_shared_1.so with two_file_shared_2.so.
2074 * testsuite/Makefile.in: Regenerated.
2075
4f787271
DK		 20762009-12-08 Doug Kwan <dougkwan@google.com>
2077
2078 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2079 (HFILES): Add attributes.h and int_encoding.h.
2080 * Makefile.in: Regenerate.
2081 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2082 function definitions to int_encoding.cc
2083 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2084 prototypes to int_encoding.h
2085 * reduced_debug_output.cc (int_encoding.h): New include.
2086 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2087 function definitions to int_encoding.cc
2088 (insert_into_vector, read_from_pointer): Move template definitions to
2089 int_encoding.h
2090 * attributes.cc: New file.
2091 * attributes.h: New file.
2092 * int_encoding.cc: New file.
2093 * int_encoding.h: New file.
2094
20b52f1a
RÁE		 20952009-12-07 Rafael Avila de Espindola <espindola@google.com>
2096
2097 PR gold/11055
2098 * incremental-dump.cc (dump_incremental_inputs): New.
2099 (main): Use dump_incremental_inputs.
2100
53d7974c
L		 21012009-12-07 H.J. Lu <hongjiu.lu@intel.com>
2102
2103 PR gold/10893
2104 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2105 checking elfcpp::STT_FUNC.
2106 (Target_i386::Relocate::relocate): Likewise.
2107 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2108
2109 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2110 symbols from shared libraries into normal FUNC symbols.
2111
2112 * symtab.h (Symbol): Add is_func and use it.
2113
05a352e6
DK		 21142009-12-05 Doug Kwan <dougkwan@google.com>
2115
2116 * arm.cc (Target_arm::arm_info): Initialize new fields
2117 attributes_section and attributes_vendor.
2118 * i386.cc (Target_i386::i386_info): Same.
2119 * object.cc (Sized_relobj::do_layout): Skip attribute section.
2120 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2121 fields attributes_section and attributes_vendor.
53d7974c 2122 * sparc.cc (Target_sparc::sparc_info): Same.
05a352e6
DK		 2123 * target.h (Target::attributes_section, Target::attributes_vendor,
2124 Target::is_attributes_section, Target::attribute_arg_type,
2125 Target::attributes_order): New method definitions.
2126 (Target::Target_info::attributes_section,
2127 Target::Target_info::attributes_vendor): New fields.
2128 (Target::do_attribute_arg_type, Target::do_attributes_order): New
2129 virtual method definitions.
2130 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2131 attributes_section and attributes_vendor.
2132 * testsuite/testfile.cc (Target_test::test_target_info): Same.
2133
f4e5969c
DK		 21342009-12-05 Doug Kwan <dougkwan@google.com>
2135
2136 * arm.cc: Update comments about interworking and stub generation.
2137 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2138 considered as non-PIC.
2139 (Arm_relocate_functions::base_abs): Fix formatting.
2140 (Arm_relocate_functions::got_prel): Fix comment. Change interface
2141 of function to use GOT entry address instead of offset.
2142 (Target_arm::Scan::global): Issue an error if a symbol would need a
2143 PLT does not get one because it is untyped. Remove code to create
2144 dynamic symbols for relative branches.
2145 (Target_arm::Relocate::relocate: Use 0 instead of false since function
2146 takes unsigned integer instead of boolean.
2147
1abce4a6
L		 21482009-12-05 H.J. Lu <hongjiu.lu@intel.com>
2149
2150 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2151 (two_file_test_LDADD): Likewise.
2152 (common_test_1_LDADD): Likewise.
2153 (exception_test_LDADD) Likewise.
2154 (weak_test_LDADD): Likewise.
2155 (many_sections_test_LDADD): Likewise.
2156 (initpri1_LDADD): Likewise.
2157 (script_test_1_LDADD): Likewise.
2158 (script_test_2_LDADD): Likewise.
2159 (justsyms_LDADD): Likewise.
2160 (binary_test_LDADD): Likewise.
2161 (large_LDADD): Likewise.
2162 * testsuite/Makefile.in: Regenerated.
2163
adcf2816 21642009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1abce4a6 2165
adcf2816
L		 2166 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2167 (Symbol_table::override_with_special): Likewise.
2168 (Symbol_table::add_from_object): Likewise.
2169
28e67f5d
RÁE		 21702009-12-04 Rafael Avila de Espindola <espindola@google.com>
2171
2172 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2173 Don't set the data_offset twice.
2174
ae10a101
RÁE		 21752009-12-04 Rafael Avila de Espindola <espindola@google.com>
2176
2177 * testsuite/Makefile.in: Regenerate.
2178
f59f41f3
DK		 21792009-12-03 Doug Kwan <dougkwan@google.com>
2180
2181 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2182 (Target_arm::do_finalize_sections): Add parameter for symbol table
2183 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
2184 * i386.cc (Target_i386::do_finalize_sections): Add an additional
2185 parameter for symbol table pointer.
2186 * layout.cc (Layout::finalize): Call Target::finalize_sections with
2187 an additional parameter for a pointer to symbol table.
2188 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2189 parameter for a symbol table pointer.
2190 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2191 * target.h (Target::finalize_sections, Target::do_finalize_sections):
2192 Ditto.
2193 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2194 parameter for a symbol table pointer.
2195
ca55d848
RÁE		 21962009-12-03 Rafael Avila de Espindola <espindola@google.com>
2197
2198 * incremental.cc (Incremental_inputs_header)
2199 (Incremental_inputs_header_write, Incremental_inputs_entry)
2200 (Incremental_inputs_entry_write): Move ...
2201 * incremental.h (Incremental_inputs_header)
2202 (Incremental_inputs_header_write, Incremental_inputs_entry)
2203 (Incremental_inputs_entry_write): here.
2204
3aec4f9c
RÁE		 22052009-12-02 Rafael Avila de Espindola <espindola@google.com>
2206
2207 * incremental.cc (make_sized_incremental_binary): Set the target.
2208 Error if it is incompatible.
2209 * output.h (Output_file): Add filename method.
2210
9c0ae74d
RÁE		 22112009-12-02 Rafael Avila de Espindola <espindola@google.com>
2212
2213 * incremental.cc (Incremental_inputs_entry): Remove unused argument
2214 from the get_* methods.
2215
a45500ae
RÁE		 22162009-12-02 Rafael Avila de Espindola <espindola@google.com>
2217
2218 * incremental-dump.cc (main): Check that the offeset of a script is 0.
2219 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2220 Write 0 for the data_offset of scripts.
2221
325e6408
RÁE		 22222009-12-02 Rafael Avila de Espindola <espindola@google.com>
2223
2224 * testsuite/Makefile.am: Add the incremental_test.sh test.
2225 * testsuite/incremental_test.sh: New.
2226 * testsuite/incremental_test_1.c: New.
2227 * testsuite/incremental_test_2.c: New.
2228
954c3e2e
RÁE		 22292009-12-01 Rafael Avila de Espindola <espindola@google.com>
2230
2231 * incremental-dump.cc (main): Fix typos.
2232
f8086623
RÁE		 22332009-11-27 Rafael Avila de Espindola <espindola@google.com>
2234
2235 PR gold/11025
2236 * incremental-dump.cc (main): Use llu to print 64 bit values.
2237
3b0dd6ac
L		 22382009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
2239 H.J. Lu <hongjiu.lu@intel.com>
2240
2241 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2242 $(LIBDL).
2243 (incremental_dump_LDADD): Likewise.
2244 * Makefile.in: Regenerated.
2245
a6d1ef57
DK		 22462009-11-25 Doug Kwan <dougkwan@google.com>
2247
2248 Revert:
2249
2250 2009-11-25 Doug Kwan <dougkwan@google.com>
2251
2252 * arm.cc (Target_arm::Target_arm): Move method definition
2253 outside of class definition. Add code to handle
2254 --target1-rel, --target1-abs and --target2= options.
2255 (Target_arm::get_reloc_reloc_type): Change method to be
2256 non-static and const.
2257 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2258 New data member declaration.
2259 (Target_arm::Scan::local, Target_arm::Scan::global,
2260 Target_arm::Relocate::relocate,
2261 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2262 Adjust call to Target_arm::get_real_reloc_type.
2263 (Target_arm::get_real_reloc_type): Use command line options
2264 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2265 * options.h (--target1-rel, --target1-abs, --target2): New
2266 ARM-only options.
2267
50aeb7d4
DK		 22682009-11-25 Doug Kwan <dougkwan@google.com>
2269
2270 * arm.cc (Target_arm::Target_arm): Move method definition outside of
2271 class definition. Add code to handle --target1-rel, --target1-abs
2272 and --target2= options.
2273 (Target_arm::get_reloc_reloc_type): Change method to be non-static
2274 and const.
2275 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2276 member declaration.
2277 (Target_arm::Scan::local, Target_arm::Scan::global,
2278 Target_arm::Relocate::relocate,
2279 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2280 call to Target_arm::get_real_reloc_type.
2281 (Target_arm::get_real_reloc_type): Use command line options to
2282 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2283 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2284 options.
2285
51938283
DK		 22862009-11-25 Doug Kwan <dougkwan@google.com>
2287
2288 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2289 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2290 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2291 formatting.
2292 (Arm_relocate_functions::thm_call): Replace body with a call to
2293 Arm_relocate_functions::thumb_branch_common.
2294 (Arm_relocate_functions::thm_jump24,
2295 Arm_relocate_functions::thm_xpc22): New method definitions.
2296 (Arm_relocate_functions::thumb_branch_common): New method definition.
2297 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2298 operator.
2299 (Target_arm::Relocate::relocate): Adjust call to thm_call.
2300 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2301
e2b8f3c4
RÁE		 23022009-11-24 Rafael Avila de Espindola <espindola@google.com>
2303
2304 * Makefile.am: Build incremental-dump
2305 * Makefile.in: Regenerate.
2306 * incremental-dump.cc: New.
2307 * incremental.cc (Incremental_inputs_header_data,
2308 Incremental_inputs_entry_data): Move to incremental.h
2309 * incremental.h: (Incremental_inputs_header_data,
2310 Incremental_inputs_entry_data): Move from incremental.cc
2311
bcba9aec
RÁE		 23122009-11-24 Rafael Avila de Espindola <espindola@google.com>
2313
2314 * incremental.cc (Incremental_inputs_header,
2315 Incremental_inputs_header_write, Incremental_inputs_entry,
2316 Incremental_inputs_entry_write): Add a typedef with the data type.
2317
7c3afe08
RÁE		 23182009-11-24 Rafael Avila de Espindola <espindola@google.com>
2319
2320 * incremental.cc (Incremental_inputs_header,
2321 Incremental_inputs_header_write, Incremental_inputs_entry,
2322 Incremental_inputs_entry_write): Update comment about which
2323 type has the filed descriptions.
2324
d204b6e9
DK		 23252009-11-15 Doug Kwan <dougkwan@google.com>
2326
2327 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2328 (Arm_relocate_functions::arm_branch_common): Change method defintion
2329 in class definition to a method declaration and update list of formal
2330 parameters.
2331 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2332 Arm_relocation_functions::jump24): Adjust call to
2333 Arm_relocate_functions::arm_branch_common. Update list of formal
2334 parameters.
2335 (Arm_relocate_functions::xpc25): New method definition.
2336 (Arm_relocate_functions::arm_branch_common): Move method defintion
2337 out from class definition. Use stubs for mode-switching and extending
2338 branch ranges.
2339 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2340 specially. Change code to enable use of stubs in ARM branches.
2341
43d12afe
DK		 23422009-11-10 Doug Kwan <dougkwan@google.com>
2343
2344 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2345 in method declaration.
2346 (Target_arm::relocate_stub): New method declaration.
2347 (Target_arm::default_target): Change to return a pointer instead of
2348 a const reference.
2349 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2350 Target_arm::default_target.
2351 (Arm_Relobj::do_relocate_sections): Remove options paramater in
2352 method definition.
2353 (Target_arm::relocate_section): Adjust view.
2354 (Target_arm::relocate_stub): New method definition.
2355
ac33a407
DK		 23562009-11-10 Doug Kwan <dougkwan@google.com>
2357
2358 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2359 a format warning.
2360 * incremental.cc (open_incremental_binary): Initialized local
2361 variables to avoid warnings.
2362 * object.cc (make_elf_object): Ditto.
2363 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2364 a format warning.
2365
88ee28e9
L		 2366009-11-09 H.J. Lu <hongjiu.lu@intel.com>
2367
2368 PR gold/10930
2369 * testsuite/plugin_test.c: Include "config.h".
2370
2daedcd6
DK		 23712009-11-09 Doug Kwan <dougkwan@google.com>
2372
2373 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2374 (arm_symbol_value): Remove.
2375 (Arm_relocate_functions::arm_branch_common,
2376 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2377 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2378 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2379 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2380 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2381 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2382 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2383 Arm_relocate_functions::thm_mobw_abs_nc,
2384 Arm_relocate_functions::thm_mov_abs,
2385 Arm_relocate_functions::movw_prel_nc,
2386 Arm_relocate_functions::thm_movt_abs,
2387 Arm_relocate_functions::movt_prel,
2388 Arm_relocate_functions::thm_movw_prel_nc,
2389 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2390 (Target_arm::Relocate::relocate): Only decompose address into two
2391 parts if relocation type uses the thumb-bit and pass the actual
2392 bit instead of a flag indicating that the thumb-bit is used. Adjust
2393 calls to methods in Arm_relocate_functions for this change.
2394
1276bc89 23952009-11-08 Ian Lance Taylor <iant@google.com>
3e4afc80
ILT		 2396
2397 PR 10925
2398 * reloc.cc: Instantiate
2399 Sized_relobj::initialize_input_to_output_maps and
2400 Sized_relobj:free_input_to_output_maps.
2401
e53ad1b5
ILT		 24022009-11-06 Ian Lance Taylor <iant@google.com>
2403
2404 PR 10876
2405 * defstd.cc (in_segment): Set only_if_ref true for "end".
2406
eb44217c
DK		 24072009-11-06 Doug Kwan <dougkwan@google.com>
2408
2409 * arm.cc (class Reloc_stub): Correct a comment.
2410 (Target_arm::Target_arm): Initialize arm_input_section_map_.
2411 (Target_arm::scan_section_for_stubs): New method declaration.
2412 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2413 Change methods from private to protected.
2414 (Target_arm::do_may_relax): New method definition.
2415 (Target_arm::do_relax, Target_arm::group_sections,
2416 Target_arm::scan_reloc_for_stub,
2417 Target_arm::scan_reloc_section_for_stubs): New method declarations.
2418 (Target_arm::arm_input_section_map_): New data member declaration.
2419 (Target_arm::scan_reloc_for_stub,
2420 Target_arm::scan_reloc_section_for_stubs,
2421 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2422 Target_arm::do_relax): New method definitions.
2423
5d329b7d
ILT		 24242009-11-06 Mikolaj Zalewski <mikolaj@google.com>
2425
2426 * configure.ac: Check for (struct stat)::st_mtim
2427 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2428 * config.in: Regenerate.
2429 * configure: Regenerate.
2430
96a0d71b
ILT		 24312009-11-05 Ian Lance Taylor <iant@google.com>
2432
2433 PR 10910
2434 * output.cc (Output_segment::add_output_section): Add missing
2435 return statement.
2436
594c8e5e
ILT		 24372009-11-04 Ian Lance Taylor <iant@google.com>
2438
2439 PR 10880
2440 * object.h (class Object): Add is_needed and set_is_needed
2441 methods. Add is_needed_ field. Make bool fields into bitfields.
2442 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2443 defined in a dynamic object and referenced by a regular object,
2444 set is_needed for the dynamic object.
2445 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2446 if the file is marked with as_needed and it is not needed.
2447
22b127cc
ILT		 24482009-11-04 Ian Lance Taylor <iant@google.com>
2449
2450 PR 10887
2451 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2452 tags if data is discarded by linker script.
2453 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2454 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2455 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2456 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2457
f5c870d2
ILT		 24582009-11-04 Ian Lance Taylor <iant@google.com>
2459
2460 * layout.cc (Layout::get_output_section): Add is_interp and
2461 is_dynamic_linker_section parameters. Change all callers.
2462 (Layout::choose_output_section): Likewise.
2463 (Layout::make_output_section): Likewise.
2464 (Layout::add_output_section_data): Add is_dynamic_linker_section
2465 parameter. Change all callers.
2466 * layout.h (class Layout): Update declarations.
2467 * output.h (class Output_section): Add is_interp, set_is_interp,
2468 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2469 Add is_interp_, is_dynamic_linker_section_ fields. Change
2470 generate_code_fills_at_write_ to a bitfield.
2471 * output.cc (Output_section::Output_sections): Initialize new
2472 fields.
2473 (Output_segment::add_output_section): Add do_sort parameter.
2474 Change all callers.
2475
1ae4d23b
ILT		 24762009-11-03 Ian Lance Taylor <iant@google.com>
2477
2478 PR 10860
2479 * options.h (class General_options): Add --warn-common.
2480 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2481 merging two common symbols.
2482 (Symbol_table::should_override): Handle --warn-common when merging
2483 a common symbol with a defined symbol. Use report_resolve_problem
2484 for multiple definitions.
2485 (Symbol_table::report_resolve_problem): New function.
2486 * symtab.h (class Symbol_table): Declare report_resolve_problem.
2487
55da9579
DK		 24882009-11-03 Doug Kwan <dougkwan@google.com>
2489
2490 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2491 stub_factory_.
2492 (Target_arm::stub_factory): New method definition.
2493 (Target_arm::new_arm_input_section,
2494 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2495 Target_arm::reloc_uses_thumb_bit): New method declarations.
2496 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
2497 New type definitions.
2498 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2499 member declarations.
2500 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2501 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2502 New method definitions.
2503
37a9ac43
ILT		 25042009-11-03 Ian Lance Taylor <iant@google.com>
2505
2506 * options.h (class General_options): Add --warn_constructors.
2507
b3d6a3d4
ILT		 25082009-11-03 Ian Lance Taylor <iant@google.com>
2509
2510 PR 10893
2511 * defstd.cc (in_section): Add entries for __rel_iplt_start,
2512 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2513
934b01dd
ILT		 25142009-11-03 Ian Lance Taylor <iant@google.com>
2515
2516 PR 10895
2517 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2518 --msgid-bugs-address.
2519 (install-pdf): New target.
2520 (install-data_yes): Look up one directory to find mkinstalldirs.
2521
03c1939b
L		 25222009-11-03 H.J. Lu <hongjiu.lu@intel.com>
2523
2524 * po/Make-in (.po.gmo): Don't generate .gmo files in source
2525 tree.
2526
ebd95253
DK		 25272009-10-30 Doug Kwan <dougkwan@google.com>
2528
2529 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2530
e9bbb538
DK		 25312009-10-30 Doug Kwan <dougkwan@google.com>
2532
2533 * arm.cc (Stub_addend_reader): New struct template definition
2534 and partial specializations.
2535 (Stub_addend_reader::operator()): New method definition for a
2536 partially specialized template.
2537
d5b40221
DK		 25382009-10-30 Doug Kwan <dougkwan@google.com>
2539
2540 * arm.cc (Arm_relobj::processor_specific_flags): New method
2541 definition.
2542 (Arm_relobj::do_read_symbols): New method declaration.
2543 (Arm_relobj::processor_specific_flags_): New data member declaration.
2544 (Arm_dynobj): New class definition.
2545 (Target_arm::do_finalize_sections): Add input_objects parameter.
2546 (Target_arm::do_adjust_elf_header): New method declaration.
2547 (Target_arm::are_eabi_versions_compatible,
2548 (Target_arm::merge_processor_specific_flags): New method declaration.
2549 (Target_arm::do_make_elf_object): New overloaded method definitions
2550 and declaration.
2551 (Arm_relobj::do_read_symbols): New method definition.
2552 (Arm_dynobj::do_read_symbols): Ditto.
2553 (Target_arm::do_finalize_sections): Add input_objects parameters.
2554 Merge processor-specific flags from all input objects.
2555 (Target_arm::are_eabi_versions_compatible,
2556 Target_arm::merge_processor_specific_flags,
2557 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2558 New method definitions.
2559 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2560 Input_objects pointer type parameter.
2561 * layout.cc (Layout::finalize): Pass input objects to target's.
2562 finalize_sections function.
2563 * output.cc (Output_file_header::do_sized_write): Set ELF file
2564 header's processor-specific flags.
2565 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2566 Input_objects pointer type parameter.
2567 * sparc.cc (Target_sparc::do_finalize_sections): Same.
2568 * target.h (Input_objects): New forward class declaration.
2569 (Target::processor_specific_flags,
2570 Target::are_processor_specific_flags_sect): New method definitions.
2571 (Target::finalize_sections): Add input_objects parameter.
2572 (Target::Target): Initialize processor_specific_flags_ and
2573 are_processor_specific_flags_set_.
2574 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2575 parameter.
2576 (Target::set_processor_specific_flags): New method definition.
2577 (Target::processor_specific_flags_,
2578 Target::are_processor_specific_flags_set_): New data member
2579 declarations.
2580 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2581 Input_objects pointer type parameter.
2582
ebabffbd
DK		 25832009-10-30 Doug Kwan <dougkwan@google.com>
2584
2585 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2586
ad0f2072
ILT		 25872009-10-28 Ian Lance Taylor <iant@google.com>
2588
2589 * object.h (class Relobj): Drop options parameter from
2590 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2591 do_scan_relocs, do_relocate. Change all callers.
2592 (class Sized_relobj): Drop options parameters from
2593 do_gc_process_relocs, do_scan_relocs, do_relocate,
2594 do_relocate_sections, relocate_sections, emit_relocs_scan,
2595 emit_relocs_scan_reltype. Change all callers.
2596 (struct Relocate_info): Remove options field and all references to
2597 it.
2598 * reloc.h (class Read_relocs): Remove options constructor
2599 parameter and options_ field. Change all callers.
2600 (class Gc_process_relocs, class Scan_relocs): Likewise.
2601 (class Relocate_task): Likewise.
2602 * target-reloc.h (scan_relocs): Remove options parameter. Change
2603 all callers.
2604 (scan_relocatable_relocs): Likewise.
2605 * target.h (class Sized_target): Remove options parameter from
2606 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
2607 all callers.
2608 * gc.h (gc_process_relocs): Remove options parameter. Change all
2609 callers.
2610 * arm.cc: Update functions to remove options parameters.
2611 * i386.cc: Likewise.
2612 * powerpc.cc: Likewise.
2613 * sparc.cc: Likewise.
2614 * x86_64.cc: Likewise.
2615 * testsuite/testfile.cc: Likewise.
2616
8ffa3667
DK		 26172009-10-28 Doug Kwan <dougkwan@google.com>
2618
2619 * arm.cc (Arm_relobj): New class definition.
2620 (Arm_relobj::scan_sections_for_stubs,
2621 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2622 New method definitions.
2623
40f36857
CC		 26242009-10-28 Cary Coutant <ccoutant@google.com>
2625
2626 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2627 (Plugin::cleanup_done_): New member.
2628 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2629 (Plugin_manager::cleanup_done_): Remove.
2630 (Plugin_manager::add_input_file): Edit error message.
2631 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2632 (Plugin_manager::cleanup): Remove use of cleanup_done_.
2633
2c849493
ILT		 26342009-10-27 Mikolaj Zalewski <mikolajz@google.com>
2635
2636 * fileread.cc: (File_read::View::~View): Use the new
2637 data_ownership_ filed.
2638 (File_read::~File_read): Dispose the new whole_file_view_.
2639 (File_read::open): Mmap the whole file if needed.
2640 (File_read::open): Use whole_file_view_ instead of contents_.
2641 (File_read::find_view): Use whole_file_view_ if applicable.
2642 (File_read::do_read): Use whole_file_view_ instead of contents_.
2643 (File_read::make_view): Use whole_file_view_ instead of contents_,
2644 update File_read::View::View call.
2645 (File_read::find_or_make_view): Update File_read::View::View
2646 call.
2647 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2648 remove contents_
2649 (File_read::View::Data_ownership): New enum.
2650 (File_read::View::View): Replace bool mapped_ with Data_ownership
2651 argument.
2652 (File_read::View::mapped_): Remove (replaced by data_ownership_).
2653 (File_read::View::data_ownership_): New field.
2654 (File_read::contents_): Remove (replaced by whole_file_view_).
2655 (File_read::whole_file_view_): New field.
2656 * options.h (class General_options): Add --keep-files-mapped.
2657
24998053
CC		 26582009-10-27 Cary Coutant <ccoutant@google.com>
2659
2660 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2661 * testsuite/Makefile.am (plugin_test_5): New test case.
2662 * testsuite/Makefile.in: Regenerate.
2663
72adc4fa
DK		 26642009-10-25 Doug Kwan <dougkwan@google.com>
2665
2666 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2667 from private to protected to allow access by child class.
2668 (Sized_relobj::do_relocate_sections): New method declaration.
2669 (Sized_relobj::relocate_sections): Virtualize.
2670 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2671 Sized_relobj::relocate_sections. Instantiate template explicitly
2672 for different target sizes and endianity.
2673
07f508a2
DK		 26742009-10-24 Doug Kwan <dougkwan@google.com>
2675
2676 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2677 (Arm_input_section::as_arm_input_section): New method.
2678 (Arm_output_section): New class definition.
2679 (Arm_output_section::create_stub_group,
2680 Arm_output_section::group_sections): New method definitions.
2681
10ad9fe5
DK		 26822009-10-22 Doug Kwan <dougkwan@google.com>
2683
2684 * arm.cc (Arm_input_section): New class definition.
2685 (Arm_input_section::init, Arm_input_section:do_write,
2686 Arm_input_section::set_final_data_size,
2687 Arm_input_section::do_reset_address_and_file_offset): New method
2688 definitions.
2689
56ee5e00
DK		 26902009-10-21 Doug Kwan <dougkwan@google.com>
2691
2692 * arm.cc (Stub_table, Arm_input_section): New forward class
2693 declarations.
2694 (Stub_table): New class defintion.
2695 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2696 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2697 New method definition.
2698
b569affa
DK		 26992009-10-21 Doug Kwan <dougkwan@google.com>
2700
2701 * arm.cc: Update copyright comments.
2702 (Target_arm): New forward class template declaration.
2703 (Arm_address): New type.
2704 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2705 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2706 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2707 constants.
2708 (Insn_template): Same.
2709 (DEF_STUBS): New macro.
2710 (Stub_type): New enum type.
2711 (Stub_template): New class definition.
2712 (Stub): Same.
2713 (Reloc_stub): Same.
2714 (Stub_factory): Same.
2715 (Target_arm::Target_arm): Initialize may_use_blx_ and
2716 should_force_pic_veneer_.
2717 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2718 Target_arm::should_force_pic_veneer,
2719 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2720 Target_arm::using_thumb_only, Target_arm:;default_target): New
2721 method defintions.
2722 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2723 New data member declarations.
2724 (Insn_template::size, Insn_template::alignment): New method defintions.
2725 (Stub_template::Stub_template): New method definition.
2726 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2727 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2728 (Stub_factory::Stub_factory): New method definition.
2729 * gold.h (string_hash): New template.
2730 * output.h (Input_section_specifier::hash_value): Use
2731 gold::string_hash.
2732 (Input_section_specifier::string_hash): Remove.
2733 * stringpool.cc (Stringpool_template::string_hash): Use
2734 gold::string_hash.
2735
6c172549
DK		 27362009-10-20 Doug Kwan <dougkwan@google.com>
2737
2738 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2739 symbols of relaxed input sections.
2740 * output.h (Output_section::find_relaxed_input_section): Make
2741 method public.
2742
c5617f2f
DK		 27432009-10-16 Doug Kwan <dougkwan@google.com>
2744
2745 * dynobj.cc (Versions::Versions): Initialize version_script_.
2746 Only insert base version symbol definition for a shared object
2747 if version script defines any version versions.
2748 (Versions::define_base_version): New method definition.
2749 (Versions::add_def): Check that base version is not needed.
2750 (Versions::add_need): Define base version lazily.
2751 * dynobj.h (Versions::define_base_version): New method declaration.
2752 (Versions::needs_base_version_): New data member declaration.
2753 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2754 (check_DATA): Add no_version_test.stdout.
2755 (libno_version_test.so, no_version_test.o no_version_test.stdout):
2756 New make rules.
2757 * testsuite/Makefile.in: Regenerate.
2758 * testsuite/no_version_test.c: New file.
2759 * testsuite/no_version_test.sh: Ditto.
2760
3c12dcdb
DK		 27612009-10-16 Doug Kwan <dougkwan@google.com>
2762
2763 * expression.cc (class Segment_start_expression): New class definition.
2764 (Segment_start_expression::value): New method definition.
2765 (script_exp_function_segment_start): Return a new
2766 Segment_start_expression.
2767 * gold/script-c.h (script_saw_segment_start_expression): New function
2768 prototype.
2769 * script-sections.cc (Script_sections::Script_sections): Initialize
2770 SAW_SEGMENT_START_EXPRESSION_ to false.
2771 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2772 and -Tbbs options to specify section addresses if given in
2773 command line and no SEGMENT_START expression is seen in a script.
2774 * script-sections.h (Script_sections::saw_segment_start_expression,
2775 Script_sections::set_saw_segment_start_expression): New method
2776 definition.
2777 (Script_sections::saw_segment_start_expression_): New data member
2778 declaration.
2779 * script.cc (script_saw_segment_start_expression): New function.
2780 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2781 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2782 script_test_7.sh and script_test_8.sh.
2783 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2784 script_test_8.stdout.
2785 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2786 (script_test_6, script_test_6.stdout, script_test_7,
2787 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2788 * Makefile.in: Regenerate.
2789 * testsuite/script_test_6.sh: New file.
2790 * testsuite/script_test_6.t: Same.
2791 * testsuite/script_test_7.sh: Same.
2792 * testsuite/script_test_7.t: Same.
2793 * testsuite/script_test_8.sh: Same.
2794
64b1ae37
DK		 27952009-10-16 Doug Kwan <dougkwan@google.com>
2796
2797 * output.cc (Output_segment::set_section_list_address): Cast
2798 expressions to unsigned long long type to avoid format warnings.
2799
661be1e2
ILT		 28002009-10-15 Ian Lance Taylor <iant@google.com>
2801
12edd763 2802 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 2803 dot assignment to script_sections_.
12edd763
ILT		 2804 * script-sections.cc (Script_sections::add_dot_assignment):
2805 Initialize if necessary.
2806
68b6574b
ILT		 2807 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2808 program headers with no load segment if there is a linker script.
2809
661be1e2
ILT		 2810 * layout.cc (Layout::set_segment_offsets): Align the file offset
2811 to the segment aligment for -N or -n with no load segment.
2812 * output.cc (Output_segment::add_output_section): Don't crash if
2813 the first section is a TLS section.
2814 (Output_segment::set_section_list_addresses): Print an error
2815 message if the address moves backward in a linker script.
2816 * script-sections.cc
2817 (Output_section_element_input::set_section_addresses): Don't
2818 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2819 (Orphan_output_section::set_section_addresses): Likewise.
2820
f15f61a7
DK		 28212009-10-15 Doug Kwan <dougkwan@google.com>
2822
2823 * layout.cc (Layout::finish_dynamic_section): Generate tags
2824 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2825 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2826 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2827
82bb573a
ILT		 28282009-10-14 Ian Lance Taylor <iant@google.com>
2829
2830 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2831 fields.
2832 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2833 data_shdr fields of relinfo.
2834 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2835 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
2836 R_386_TLS_LDO_32, adjust based on section flags.
2837 (Target_i386::Relocate::fix_up_ldo): Remove.
2838
374ad285
ILT		 28392009-10-13 Ian Lance Taylor <iant@google.com>
2840
2841 Add support for -pie.
2842 * options.h (class General_options): Add -pie and
2843 --pic-executable.
2844 (General_options::output_is_position_independent): Test -pie.
2845 (General_options::output_is_executable): Return true if not shared
2846 and not relocatable.
2847 (General_options::output_is_pie): Remove.
2848 * options.cc (General_options::finalize): Reject incompatible uses
2849 of -pie.
2850 * gold.cc (queue_middle_tasks): A -pie link is not static.
2851 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2852 * symtab.cc (Symbol::final_value_is_known): Return false if
2853 output_is_position_independent.
2854 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2855 output_is_position_independent.
2856 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2857 output_is_position_independent.
2858 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2859 output_is_position_independent.
2860 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2861 two_file_pie_test.
2862 (basic_pie_test.o, basic_pie_test): New targets.
2863 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2864 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2865 (two_file_pie_test): New target.
2866 * testsuite/Makefile.in: Rebuild.
2867 * README: Remove note saying that -pie is not supported.
2868
c6585162
ILT		 28692009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2870
2871 * options.h (class General_options): Add -init and -fini.
2872 * layout.cc (Layout::finish_dynamic_section): Emit
2873 given init and fini functions.
2874
032ce4e9
ST		 28752009-10-13 Sriraman Tallam <tmsriram@google.com>
2876
2877 * gc.h (gc_process_relocs): Check if icf is enabled using new
2878 function.
2879 * gold.cc (queue_initial_tasks): Likewise.
2880 (queue_middle_tasks): Likewise.
2881 * object.cc (do_layout): Likewise.
2882 * symtab.cc (is_section_folded): Likewise.
2883 * main.cc (main): Likewise.
2884 * reloc.cc (Read_relocs::run): Likewise.
2885 (Sized_relobj::do_scan_relocs): Likewise.
2886 * icf.cc (is_function_ctor_or_dtor): New function.
2887 (Icf::find_identical_sections): Check if function is ctor or dtor when
2888 safe icf is chosen.
2889 * options.h (General_options::icf): Change option to be an enum.
2890 (Icf_status): New enum.
2891 (icf_enabled): New method.
2892 (icf_safe_folding): New method.
2893 (set_icf_status): New method.
2894 (icf_status_): New variable.
2895 * (options.cc) (General_options::finalize): Set icf_status_.
2896 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2897 icf_test and icf_keep_unique_test to use the --icf enum flag.
2898 * testsuite/icf_safe_test.sh: New file.
2899 * testsuite/icf_safe_test.cc: New file.
2900
f345227a
ST		 29012009-10-12 Sriraman Tallam <tmsriram@google.com>
2902
2903 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2904 includes to gc.h and icf.h.
2905 * arm.cc: Include gc.h.
2906 * gold.cc: Likewise.
2907 * i386.cc: Likewise.
2908 * powerpc.cc: Likewise.
2909 * sparc.cc: Likewise.
2910 * x86_64.cc: Likewise.
2911 * gc.h: Include icf.h.
2912
1c7814ed
ILT		 29132009-10-11 Ian Lance Taylor <iant@google.com>
2914
2915 * plugin.cc: Include "gold.h" before other header files.
2916
ae3b5189
CD		 29172009-10-10 Chris Demetriou <cgd@google.com>
2918
2919 * options.h (Input_file_argument::Input_file_type): New enum.
2920 (Input_file_argument::is_lib_): Replace with...
2921 (Input_file_argument::type_): New member.
2922 (Input_file_argument::Input_file_argument): Take Input_file_type
2923 'type' rather than boolean 'is_lib' as second argument.
2924 (Input_file_argument::is_lib): Use type_.
2925 (Input_file_argument::is_searched_file): New function.
2926 (Input_file_argument::may_need_search): Handle is_searched_file.
2927 * options.cc (General_options::parse_library): Support -l:filename.
2928 (General_options::parse_just_symbols): Update for Input_file_argument
2929 changes.
2930 (Command_line::process): Likewise.
2931 * archive.cc (Archive::get_file_and_offset): Likewise.
2932 * plugin.cc (Plugin_manager::release_input_file): Likewise.
2933 * script.cc (read_script_file, script_add_file): Likewise.
2934 * fileread.cc (Input_file::Input_file): Likewise.
2935 (Input_file::will_search_for): Handle is_searched_file.
2936 (Input_file::open): Likewise.
2937 * readsyms.cc (Read_symbols::get_name): Likewise.
2938 * testsuite/Makefile.am (searched_file_test): New test.
2939 * testsuite/Makefile.in: Regenerate.
2940 * testsuite/searched_file_test.cc: New file.
2941 * testsuite/searched_file_test_lib.cc: New file.
2942
f3048a1d
ILT		 29432009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2944 Ian Lance Taylor <iant@google.com>
2945
2946 * descriptor.cc: Include <cstdio> and "binary-io.h".
2947 (Descriptors::open): Open the files in binary mode always.
2948 * script.cc (Lex::get_token): Treat \r as whitespace.
2949
d4780e57
ILT		 29502009-10-09 Ian Lance Taylor <iant@google.com>
2951
2952 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2953
d9a893b8
ILT		 29542009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2955 Ian Lance Taylor <iant@google.com>
2956
2957 * configure.ac: Check for readv function also.
2958 * fileread.cc (readv): Define if not HAVE_READV.
2959 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2960 does not exist.
2961 * config.in: Regenerate.
2962 * configure: Regenerate.
2963
c0a62865
DK		 29642009-10-09 Doug Kwan <dougkwan@google.com>
2965
2966 * layout.cc (Layout::make_output_section): Call target hook to make
2967 ordinary output section.
2968 (Layout::finalize): Adjust parameter list of call the
2969 Target::may_relax().
2970 * layout.h (class Layout::section_list): New method.
2971 * merge.h (Output_merge_base::entsize): Change visibility to public.
2972 (Output_merge_base::is_string, Output_merge_base::do_is_string):
2973 New methods.
2974 (Output_merge_string::do_is_string): New method.
2975 * object.cc (Sized_relobj::do_setup): renamed from
2976 Sized_relobj::set_up.
2977 * object.h (Sized_relobj::adjust_shndx,
2978 Sized_relobj::initializ_input_to_output_maps,
2979 Sized_relobj::free_input_to_output_maps): Change visibilities to
2980 protected.
2981 (Sized_relobj::setup): Virtualize.
2982 (Sized_relobj::do_setup): New method declaration.
2983 (Sized_relobj::invalidate_section_offset,
2984 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2985 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2986 * options.cc (parse_int): New function.
2987 * options.h (parse_int): New declaration.
2988 (DEFINE_int): New macro.
2989 (stub_group_size): New option.
2990 * output.cc (Output_section::Output_section): Initialize memebers
2991 merge_section_map_, merge_section_by_properties_map_,
2992 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2993 (Output_section::add_input_section): Handled deferred code-fill
2994 generation and remove an old comment.
2995 (Output_section::add_relaxed_input_section): New method definition.
2996 (Output_section::add_merge_input_section): Use merge section by
2997 properties map to speed to search. Update merge section maps
2998 as appropriate.
2999 (Output_section::build_relaxation_map): New method definition.
3000 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3001 Same.
3002 (Output_section::relax_input_section): Renamed to
3003 Output_section::convert_input_sections_to_relaxed_sections and change
3004 interface to take a vector of pointers to relaxed sections.
3005 (Output_section::find_merge_section,
3006 Output_section::find_relaxed_input_section): New method definitions.
3007 (Output_section::is_input_address_mapped,
3008 Output_section::output_offset, Output_section::output_address):
3009 Use output section data maps to speed up searching.
3010 (Output_section::find_starting_output_address): Add comments.
3011 (Output_section::do_write,
3012 Output_section::write_to_postprocessing_buffer): Do code-fill
3013 generation as appropriate.
3014 (Output_section::get_input_sections): Invalidate relaxed input section
3015 map.
3016 (Output_section::restore_states): Adjust type of checkpoint .
3017 Invalidate relaxed input section map.
3018 * output.h (Output_merge_base): New class declaration.
3019 (Input_section_specifier): New class defintion.
3020 (class Output_relaxed_input_section) Change base class to
3021 Output_section_data_build.
3022 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3023 base class initializer.
3024 (Output_section::add_relaxed_input_section): New method declaration.
3025 (Output_section::Input_section): Change visibility to protected.
3026 (Output_section::Input_section::relobj,
3027 Output_section::Input_section::shndx): Handle relaxed input sections.
3028 Output_section::input_sections) Change visibility to protected. Also
3029 define overload to return a non-const pointer.
3030 (Output_section::Merge_section_properties): New class defintion.
3031 (Output_section::Merge_section_by_properties_map,
3032 Output_section::Output_section_data_by_input_section_map,
3033 Output_section::Relaxation_map): New types.
3034 (Output_section::relax_input_section): Rename method to
3035 Output_section::convert_input_sections_to_relaxed_sections and change
3036 interface to take a vector of relaxed section pointers.
3037 (Output_section::find_merge_section,
3038 Output_section::find_relaxed_input_section,
3039 Output_section::build_relaxation_map,
3040 Output_section::convert_input_sections_in_list_to_relaxed_sections):
3041 New method declarations.
3042 (Output_section::merge_section_map_
3043 Output_section::merge_section_by_properties_map_,
3044 Output_section::relaxed_input_section_map_,
3045 Output_section::is_relaxed_input_section_map_valid_,
3046 Output_section::generate_code_fills_at_write_): New data members.
3047 * script-sections.cc
3048 (Output_section_element_input::set_section_addresses): Call
3049 current_data_size and addralign methods of relaxed input sections.
3050 (Orphan_output_section::set_section_addresses): Call current_data_size
3051 and addralign methods of relaxed input sections.
3052 * symtab.cc (Symbol_table::compute_final_value): Extract template
3053 from the body of Symbol_table::sized_finalize_symbol.
3054 (Symbol_table::sized_finalized_symbol): Call
3055 Symbol_table::compute_final_value.
3056 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3057 (Symbol_table::compute_final_value): New templated method declaration.
3058 * target.cc (Target::do_make_output_section): New method defintion.
3059 * target.h (Target::make_output_section): New method declaration.
3060 (Target::relax): Add more parameters for input objects, symbol table
3061 and layout. Adjust call to do_relax.
3062 (Target::do_make_output_section): New method declaration.
3063 (Target::do_relax): Add parameters for input objects, symbol table
3064 and layout.
3065
d446d6c4
ILT		 30662009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3067
3068 * pread.c: Include stdio.h.
3069
bc06c745
ILT		 30702009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3071
3072 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3073 defined.
3074
75aea3d0
ILT		 30752009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3076
3077 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3078 Change read_shndx type to unsigned int.
3079 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3080 int.
3081 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3082 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3083 Change read_shndx type to unsigned int.
3084 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3085 int.
3086 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3087 * layout.cc (Layout::create_symtab_sections): Cast the result of
3088 local_symcount * symsize to off_t in the gold_assert.
3089
be8fcb75
ILT		 30902009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3091
3092 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3093 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3094 R_ARM_BASE_ABS.
3095 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3096 (Arm_relocate_functions::thm_abs5): New function.
3097 (Arm_relocate_functions::abs12): New function.
3098 (Arm_relocate_functions::abs16): New function.
3099 (Arm_relocate_functions::base_abs): New function.
3100 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3101 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
3102 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3103 R_ARM_BASE_ABS.
3104 (Scan::global): Likewise.
3105 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3106 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3107 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3108 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3109 R_ARM_BASE_ABS.
3110
c2a122b6
ILT		 31112009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3112
3113 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3114 (Arm_relocate_functions::movt_prel): New function.
3115 (Arm_relocate_functions::thm_movw_prel_nc): New function.
3116 (Arm_relocate_functions::thm_movt_prel): New function.
3117 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3118 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3119 (Scan::global, Relocate::relocate): Likewise.
3120 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3121
c4aa1e2d
ILT		 31222009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3123
3124 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3125 Incremental_checker.
3126 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3127 unsigned int.
3128 (class Incremental_inputs_header): New class.
3129 (Incremental_inputs_header_writer): Edit comment.
3130 (Incremental_inputs_entry): New class.
3131 (Incremental_inputs_entry_writer): Edit comment.
3132 (Sized_incremental_binary::do_find_incremental_inputs_section):
3133 Add *strtab_shndx parameter, fill it.
3134 (Sized_incremental_binary::do_check_inputs): New method.
3135 (Incremental_checker::can_incrementally_link_output_file): Use
3136 Sized_incremental_binary::check_inputs.
3137 (Incremental_inputs::report_command_line): Save command line in
3138 command_line_.
3139 * incremental.h:
3140 (Incremental_binary::find_incremental_inputs_section): New
3141 method.
3142 (Incremental_binary::do_find_incremental_inputs_section): Add
3143 strtab_shndx parameter.
3144 (Incremental_binary::do_check_inputs): New pure virtual method.
3145 (Sized_incremental_binary::do_check_inputs): Declare.
3146 (Incremental_checker::Incremental_checker): Add incremental_inputs
3147 parameter, use it to initialize incremental_inputs_.
3148 (Incremental_checker::incremental_inputs_): New field.
3149 (Incremental_checker::command_line): New method.
3150 (Incremental_checker::inputs): New method.
3151 (Incremental_checker::command_line_): New field.
3152
c549a694
ILT		 31532009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3154
3155 * incremental.cc: Include <cstdarg> and "target-select.h".
3156 (vexplain_no_incremental): New function.
3157 (explain_no_incremental): New function.
3158 (Incremental_binary::error): New method.
3159 (Sized_incremental_binary::do_find_incremental_inputs_section): New
3160 method.
3161 (make_sized_incremental_binary): New function.
3162 (open_incremental_binary): New function.
3163 (can_incrementally_link_file): Add checks if output is ELF and has
3164 inputs section.
3165 * incremental.h: Include "elfcpp_file.h" and "output.h".
3166 (Incremental_binary): New class.
3167 (Sized_incremental_binary): New class.
3168 (open_incremental_binary): Declare.
3169 * object.cc (is_elf_object): Use
3170 elfcpp::Elf_recognizer::is_elf_file.
3171 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3172 * output.h (Output_file::filesize): New method.
3173
fd3c5f0b
ILT		 31742009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3175
3176 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3177 New function.
3178 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3179 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3180 function.
3181 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3182 function.
3183 (Arm_relocate_functions::movw_abs_nc): New function.
3184 (Arm_relocate_functions::movt_abs): New function.
3185 (Arm_relocate_functions::thm_movw_abs_nc): New function.
3186 (Arm_relocate_functions::thm_movt_abs): New function.
3187 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3188 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3189 (Scan::global): Likewise.
3190 (Relocate::relocate): Likewise.
3191 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3192
7f5309a5
ILT		 31932009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3194
3195 * arm.cc (Arm_relocate_functions::got_prel) New function.
3196 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3197 (Relocate::relocate): Likewise.
3198 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3199
364c7fa5
ILT		 32002009-10-06 Ian Lance Taylor <iant@google.com>
3201
3202 * options.h (class General_options): Define
3203 split_stack_adjust_size parameter.
3204 * object.h (class Object): Add uses_split_stack_ and
3205 has_no_split_stack_ fields. Add uses_split_stack and
3206 has_no_split_stack accessor functions. Declare
3207 handle_split_stack_section.
3208 (class Reloc_symbol_changes): Define.
3209 (class Sized_relobj): Define Function_offsets. Declare
3210 split_stack_adjust, split_stack_adjust_reltype, and
3211 find_functions.
3212 * object.cc (Object::handle_split_stack_section): New function.
3213 (Sized_relobj::do_layout): Call handle_split_stack_section.
3214 * dynobj.cc (Sized_dynobj::do_layout): Call
3215 handle_split_stack_section.
3216 * reloc.cc (Sized_relobj::relocate_sections): Call
3217 split_stack_adjust for executable sections in split_stack
3218 objects. Pass reloc_map to relocate_section.
3219 (Sized_relobj::split_stack_adjust): New function.
3220 (Sized_relobj::split_stack_adjust_reltype): New function.
3221 (Sized_relobj::find_functions): New function.
3222 * target-reloc.h: Include "object.h".
3223 (relocate_section): Add reloc_symbol_changes parameter. Change
3224 all callers.
3225 * target.h (class Target): Add calls_non_split method. Declare
3226 do_calls_non_split virtual method. Declare match_view and
3227 set_view_to_nop.
3228 * target.cc: Include "elfcpp.h".
3229 (Target::do_calls_non_split): New function.
3230 (Target::match_view): New function.
3231 (Target::set_view_to_nop): New function.
3232 * gold.cc (queue_middle_tasks): Give an error if mixing
3233 split-stack and non-split-stack objects with -r.
3234 * i386.cc (Target_i386::relocate_section): Add
3235 reloc_symbol_changes parameter.
3236 (Target_i386::do_calls_non_split): New function.
3237 * x86_64.cc (Target_x86_64::relocate_section): Add
3238 reloc_symbol_changes parameter.
3239 (Target_x86_64::do_calls_non_split): New function.
3240 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3241 parameter.
3242 * powerpc.cc (Target_powerpc::relocate_section): Add
3243 reloc_symbol_changes parameter.
3244 * sparc.cc (Target_sparc::relocate_section): Add
3245 reloc_symbol_changes parameter.
3246 * configure.ac: Call AM_CONDITIONAL for the default target.
3247 * configure: Rebuild.
3248 * testsuite/Makefile.am (TEST_AS): New variable.
3249 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3250 (check_DATA): Add split_i386 and split_x86_64 files.
3251 (SPLIT_DEFSYMS): Define.
3252 (split_i386_[1234n].o): New targets.
3253 (split_i386_[124]): New targets.
3254 (split_i386_[1234r].stdout): New targets.
3255 (split_x86_64_[1234n].o): New targets.
3256 (split_x86_64_[124]): New targets.
3257 (split_x86_64_[1234r].stdout): New targets.
3258 (MOSTLYCLEANFILES): Add new executables.
3259 * testsuite/split_i386.sh: New file.
3260 * testsuite/split_x86_64.sh: New file.
3261 * testsuite/split_i386_1.s: New file.
3262 * testsuite/split_i386_2.s: New file.
3263 * testsuite/split_i386_3.s: New file.
3264 * testsuite/split_i386_4.s: New file.
3265 * testsuite/split_i386_n.s: New file.
3266 * testsuite/split_x86_64_1.s: New file.
3267 * testsuite/split_x86_64_2.s: New file.
3268 * testsuite/split_x86_64_3.s: New file.
3269 * testsuite/split_x86_64_4.s: New file.
3270 * testsuite/split_x86_64_n.s: New file.
3271 * testsuite/testfile.cc (Target_test): Update relocation_section
3272 function.
3273 * testsuite/Makefile.in: Rebuild.
3274
e8a9fcda
ILT		 32752009-10-06 Ian Lance Taylor <iant@google.com>
3276
3277 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3278 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3279 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
3280 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3281 the address on ldo_addrs_.
3282 (Target_i386::Relocate::fix_up_ldo): New function.
3283
e99daf92
ILT		 32842009-10-06 Rafael Espindola <espindola@google.com>
3285
3286 * plugin.cc (add_input_library): New.
3287 (Plugin::load): Add add_input_library to tv.
3288 (Plugin_manager::add_input_file): Add the is_lib argument.
3289 (add_input_file): Update call to Plugin_manager::add_input_file.
3290 (add_input_library): New.
3291 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3292
966d4097
DK		 32932009-09-30 Doug Kwan <dougkwan@google.com>
3294
3295 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3296 symbol and call Symbol::may_need_copy_reloc to determine if
3297 a copy reloc is needed.
3298 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3299 nocopyreloc is given in command line.
3300 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3301 given in command line.
3302 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3303 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3304 of the removed Target_i386::may_need_copy_reloc.
3305 * options.h (copyreloc): New option with default value false.
3306 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3307 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3308 instead of the removed Target_powerpc::may_need_copy_reloc.
3309 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3310 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3311 instead of the removed Target_sparc::may_need_copy_reloc.
3312 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3313 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3314 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3315 instead of the removed Target_x86_64::may_need_copy_reloc.
3316
029ba973
ILT		 33172009-09-30 Ian Lance Taylor <iant@google.com>
3318
3319 * object.h (class Object): Remove target_ field, and target,
3320 sized_target, and set_target methods.
3321 (Object::sized_target): Remove.
3322 (class Sized_relobj): Update declarations. Remove sized_target.
3323 * object.cc (Sized_relobj::setup): Remove target parameter.
3324 Change all callers.
3325 (Input_objects::add_object): Don't do anything with the target.
3326 (make_elf_sized_object): Add punconfigured parameter. Change all
3327 callers. Set or test parameter target.
3328 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3329 Change all callers.
3330 * parameters.cc (Parameters::set_target): Change parameter type to
3331 be non-const.
3332 (Parameters::default_target): Remove.
3333 (set_parameters_target): Change parameter type to be non-const.
3334 (parameters_force_valid_target): New function.
3335 (parameters_clear_target): New function.
3336 * parameters.h (class Parameters): Update declarations. Remove
3337 default_target method. Add sized_target and clear_target
3338 methods. Change target_ to be non-const.
3339 (set_parameters_target): Update declaration.
3340 (parameters_force_valid_target): Declare.
3341 (parameters_clear_target): Declare.
3342 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3343 as NULL if we aren't searching.
3344 (Add_symbols::run): Don't check for compatible target.
3345 * fileread.cc (Input_file::open_binary): Call
3346 parameters_force_valid_target.
3347 * gold.cc (queue_middle_tasks): Likewise.
3348 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
3349 set_target on object.
3350 * dynobj.h (class Sized_dynobj): Update declarations.
3351 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3352 make_elf_object returns NULL.
3353 (Archive::include_member): Don't check whether object target is
3354 compatible.
3355 * output.cc (Output_section::add_input_section): Get target from
3356 parameters.
3357 (Output_section::relax_input_section): Likewise.
3358 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3359 parameters.
3360 (Sized_relobj::do_scan_relocs): Likewise.
3361 (Sized_relobj::relocate_sections): Likewise.
3362 * resolve.cc (Symbol_table::resolve): Likewise.
3363 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
3364 parameter. Change all callers.
3365 (Symbol_table::add_from_object): Get target from parameters.
3366 (Symbol_table::add_from_relobj): Don't check object target.
3367 (Symbol_table::add_from_dynobj): Likewise.
3368 (Symbol_table::define_special_symbol): Get target from
3369 parameters.
3370 * symtab.h (class Symbol_table): Update declaration.
3371 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3372 parameter. Change all callers. Clear parameter target.
3373 (Binary_test): Test target here.
3374 * testsuite/object_unittest.cc (gold_testsuite): Remove
3375 target_test_pointer parameter. Change all callers.
3376 (Object_test): Test target here.
3377
a6a22b83
ILT		 33782009-09-26 Ian Lance Taylor <iant@google.com>
3379
3380 * testsuite/initpri1.c: Don't try to use constructor priorities if
3381 compiling with gcc before 4.3.
3382
6a8f49fe
ILT		 33832009-09-22 Mikolaj Zalewski <mikolajz@google.com>
3384
3385 * testsuite/retain_symbols_file_test.sh (check_present): Change
3386 output file name to retain_symbols_file_test.stdout.
3387 (check_absent): Likewise.
3388
8c604651
CS		 33892009-09-18 Craig Silverstein <csilvers@google.com>
3390
3391 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3392 * options.cc: Include <cerrno> and <fstream>.
3393 (General_options::finalize): Parse -retain-symbols-file tag.
3394 * options.h: New flag.
3395 (General_options): New method should_retain_symbol, new
3396 variable symbols_to_retain.
3397 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3398 should_retain_symbol map.
3399 * testsuite/Makefile.am (retain_symbols_file_test): New test.
3400 * testsuite/Makefile.in: Regenerate.
3401 * testsuite/retain_symbols_file_test.sh: New file.
3402
ca58b19f
NC		 34032009-09-18 Nick Clifton <nickc@redhat.com>
3404
3405 * po/es.po: Updated Spanish translation.
3406
20e6d0d6
DK		 34072009-09-17 Doug Kwan <dougkwan@google.com>
3408
3409 * debug.h (DEBUG_RELAXATION): New constant.
3410 (DEBUG_ALL): Add DEBUG_RELAXATION.
3411 (debug_string_to_enum): Add relaxation debug option.
3412 * layout.cc
3413 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3414 Layout::Relaxation_debug_check::read_sections,
3415 Layout::Relaxation_debug_check::read_sections): New method definitions.
3416 (Layout::Layout): Initialize data members
3417 record_output_section_data_from_scrips_,
3418 script_output_section_data_list_ and relaxation_debug_check_.
3419 (Layout::save_segments, Layout::restore_segments,
3420 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3421 Layout::relaxation_loop_body): New method definitions.
3422 (Layout::finalize): Support relaxation. Move section layout code to
3423 Layout::relaxation_loop_body.
3424 (Layout::set_asection_address_from_script): Move code for orphan
3425 section placement out.
3426 (Layout::place_orphan_sections_in_script): New method definition.
3427 * layout.h (Output_segment_headers, Output_file_header):
3428 New forward class declarations.
3429 (Layout::~Layout): Define.
3430 (Layout::new_output_section_data_from_script): New method definition.
3431 (Layout::place_orphan_sections_in_script): New method declaration.
3432 (Layout::Segment_states): New type declaration.
3433 (Layout::save_segments, Layout::restore_segments,
3434 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3435 Layout::relaxation_loop_body): New method declarations.
3436 (Layout::Output_section_data_list): New type declaration.
3437 (Layout::Relaxation_debug_check): New class definition.
3438 (Layout::record_output_section_data_from_script_,
3439 Layout::script_output_section_data_list_, Layout::segment_states_,
3440 Layout::relaxation_debug_check_): New data members.
3441 * output.cc: (Output_section_headers::do_size): New method definition.
3442 (Output_section_headers::Output_section_headers): Move size
3443 computation to Output_section_headers::do_size.
3444 (Output_segment_headers::do_size): New method definition.
3445 (Output_file_header::Output_file_header): Move size computation to
3446 Output_file_header::do_size and call it.
3447 (Output_file_header::do_size): New method definition.
3448 (Output_data_group::Output_data_group): Adjust call to
3449 Output_section_data.
3450 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3451 (Output_symtab_xindex::do_write): Add array bound check.
3452 (Output_section::Input_section::print_to_mapfile): Handle
3453 RELAXED_INPUT_SECTION_CODE.
3454 (Output_section::Output_section): Initialize data member checkpoint_.
3455 (Output_section::~Output_section): Delete checkpoint object pointed
3456 by checkpoint_.
3457 (Output_section::add_input_section): Always add an Input_section if
3458 relaxing.
3459 (Output_section::add_merge_input_section): Add assert.
3460 (Output_section::relax_input_section): New method definition.
3461 (Output_section::set_final_data_size): Set load address to zero for
3462 an unallocated section.
3463 (Output_section::do_address_and_file_offset_have_reset_values):
3464 New method definition.
3465 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3466 Handle relaxed input section.
3467 (Output_section::sort_attached_input_sections): Checkpoint input
3468 section list lazily.
3469 (Output_section::get_input_sections): Change type of input_sections to
3470 list of Simple_input_section pointers. Checkpoint input section list
3471 lazily. Also handle relaxed input sections.
3472 (Output_section::add_input_section_for_script): Take a reference to
3473 a Simple_input_section object instead of Relobj pointer and section
3474 index as parameter. Handle relaxed input sections.
3475 (Output_section::save_states, Output_section::restore_states): New
3476 method definitions.
3477 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3478 (Output_data::is_data_size_fixed): New method definition.
3479 (Output_data::reset_addresss_and_file_offset): Do not reset data size
3480 if it is fixed.
3481 (Output_data::address_and_file_offset_have_reset_values): New method
3482 definition.
3483 (Output_data::do_address_and_file_offset_have_reset_values): New method
3484 definition.
3485 (Output_data::set_data_size): Check that data size is not fixed.
3486 (Output_data::fix_data_size): New method definition.
3487 (Output_data::is_data_size_fixed_): New data member.
3488 (Output_section_headers::set_final_data_size): New method definition.
3489 (Output_section_headers::do_size): New method declaration.
3490 (Output_segment_headers::set_final_data_size): New method definition.
3491 (Output_segment_headers::do_size): New method declaration.
3492 (Output_file_header::set_final_data_size)::New method definition.
3493 (Output_file_header::do_size)::New method declaration.
3494 (Output_section_data::Output_section_data): Add new parameter
3495 is_data_size_fixed and use it to fix data size.
3496 (Output_data_const::Output_data_const): Adjust call to base class
3497 constructor and fix data size.
3498 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3499 base class constructor and fix data size.
3500 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3501 base class constructor and fix data size.
3502 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3503 class constructor and fix data size.
3504 (Output_data_group::set_final_data_size): New method definition.
3505 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3506 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3507 class constructor and fix data size.
3508 (Output_relaxed_input_section): New class definition.
3509 (Output_section::Simple_input_section): New class definition.
3510 (Output_section::get_input_sections): Adjust parameter list.
3511 (Output_section::add_input_section_for_script): Same.
3512 (Output_section::save_states, Output_section::restore_states,
3513 Output_section::do_address_and_file_offset_have_reset_values,
3514 (Output_section::Input_section::Input_section): Handle
3515 RELAXED_INPUT_SECTION_CODE. Add new overload for
3516 Output_relaxed_input_section.
3517 (Output_section::Input_section::is_input_section,
3518 Output_section::Input_section::set_output_section): Handle relaxed
3519 input section.
3520 (Output_section::Input_section::is_relaxed_input_section,
3521 Output_section::Input_section::output_section_data,
3522 Output_section::Input_section::relaxed_input_section): New method
3523 definitions.
3524 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3525 value.
3526 (Output_section::Input_section::u1_): Update comments.
3527 (Output_section::Input_section::u2_): Add new union member poris.
3528 (Output_section::Checkpoint_output_section): New classs definition.
3529 (Output_section::relax_input_section): New method declaration.
3530 (Output_section::checkpoint_): New data member.
3531 (Output_segment): Update comments.
3532 (Output_segment::Output_segment): Un-privatize copy constructor.
3533 (Output_segment::operator=): Un-privatize.
3534 * script-sections.cc (Output_section_element::Input_section_list):
3535 Change element type to Output_section::Simple_input_section.
3536 (Output_section_element_dot_assignment::set_section_addresses):
3537 Register output section data for relaxation clean up.
3538 (Output_data_exression::Output_data_expression): Adjust call to base
3539 constructor to fix data size.
3540 (Output_section_element_data::set_section_addresses): Register
3541 Output_data_expression object for relaxation clean up.
3542 (struct Input_section_info): Replace Relobj pointer and section index
3543 pair with Output_section::Simple_input_section and Convert struct to a
3544 class.
3545 (Input_section_sorter::operator()): Adjust access to
3546 Input_section_info data member to use accessors.
3547 (Output_section_element_input::set_section_addresses): Use layout
3548 parameter. Adjust code to use Output_section::Simple_input_section
3549 and Input_secction_info classes. Register filler for relaxation
3550 clean up.
3551 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3552 and section index pair with Output_section::Simple_input_section
3553 class. Adjust code accordingly.
3554 (Phdrs_element::release_segment): New method definition.
3555 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3556 segment list.
3557 (Script_sections::release_segments): New method definition.
3558 * gold/script-sections.h (Script_sections::release_segments): New
3559 method declaration.
3560 * gold/target.h (Target::may_relax, Target::relax,
3561 Target::do_may_relax, Target::do_relax): New method definitions.
3562
5e445df6
ILT		 35632009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3564
3565 * arm.cc (has_signed_unsigned_overflow): New function.
3566 (Arm_relocate_functions::abs8): New function.
3567 (Target_arm::Scan::local): Handle R_ARM_ABS8.
3568 (Target_arm::Scan::global): Likewise.
3569 (Target_arm::relocate::relocate): Likewise.
3570 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3571 Likewise.
3572
8c604651 35732009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 3574
3575 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3576 * testsuite/Makefile.in: Regenerate.
3577
1e9cc1c2
NC		 35782009-09-11 Nick Clifton <nickc@redhat.com>
3579
3580 * po/gold.pot: Updated by the Translation project.
3581
6a89f575
CC		 35822009-09-08 Cary Coutant <ccoutant@google.com>
3583
3584 * output.cc (Output_file::open): Add execute permission to empty file.
3585 * testsuite/Makefile.am (permission_test): New test.
3586 * testsuite/Makefile.in: Regenerate.
3587
fdcac5af
ILT		 35882009-09-02 Ian Lance Taylor <iant@google.com>
3589
3590 * output.cc (Output_file::resize): Call map_no_anonymous rather
3591 than map.
3592
44453f85
ILT		 35932009-09-01 Mikolaj Zalewski <mikolajz@google.com>
3594
3595 * gold.cc: Include "incremental.h".
3596 (queue_initial_tasks): Call Incremental_checker methods.
3597 * incremental.cc: Include "output.h".
3598 (Incremental_checker::can_incrementally_link_output_file): New
3599 method.
3600 * incremental.h (Incremental_checker): New class.
3601
3602 * output.cc (Output_file::open_for_modification): New method.
3603 (Output_file::map_anonymous): Changed return type to bool. Record
3604 map in base_ field.
3605 (Output_file::map_no_anonymous): New method, broken out of map.
3606 (Output_file::map): Use map_no_anonymous and map_anonymous.
3607 * output.h (class Output_file): Update declarations.
3608
293c1386
CC		 36092009-08-24 Cary Coutant <ccoutant@google.com>
3610
3611 * options.h (Command_line::Pre_options): New class.
3612 (Command_line::pre_options): New member.
3613 * options.cc (gold::options::ready_to_register): New variable.
3614 (One_option::register_option): Do nothing if not registering options.
3615 Assert if same short option registered twice.
3616 (General_options::General_options): Turn off option registration when
3617 done constructing.
3618 (Command_line::Pre_options::Pre_options): New constructor.
3619
f773f3d2
CC		 36202009-08-24 Cary Coutant <ccoutant@google.com>
3621
06a73cfe
CC		 3622 * options.h (General_options::no_keep_memory): Remove incorrect
3623 short option.
f773f3d2 3624
a15af8e2
RW		 36252009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3626
3627 * Makefile.am (am__skiplex, am__skipyacc): New.
3628 * Makefile.in: Regenerate.
3629
c462b41b
RW		 36302009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3631
14ec8efd
RW		 3632 * Makefile.am (AM_CPPFLAGS): Renamed from ...
3633 (INCLUDES): ... this.
3634 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3635 (AM_CPPFLAGS): Renamed from ...
3636 (INCLUDE): ... this.
3637 * Makefile.in, testsuite/Makefile.in: Regenerate.
3638
81ecdfbb
RW		 3639 * Makefile.in: Regenerate.
3640 * aclocal.m4: Likewise.
3641 * config.in: Likewise.
3642 * configure: Likewise.
3643 * testsuite/Makefile.in: Likewise.
3644
c462b41b
RW		 3645 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3646 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3647 * Makefile.in: Regenerate.
3648 * testsuite/Makefile.in: Regenerate.
3649
2da73f13
CC		 36502009-08-19 Cary Coutant <ccoutant@google.com>
3651
3652 * resolve.cc (Symbol_table::resolve): Don't complain about defined
3653 symbols in shared libraries overridden by hidden or internal symbols
3654 in the main program.
3655
2db70501
CD		 36562009-08-19 Chris Demetriou <cgd@google.com>
3657
3658 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3659 checking source file names in error messages.
3660
f733487b
DK		 36612009-08-18 Doug Kwan <dougkwan@google.com>
3662
3663 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3664 an elcpp::Ehdr as parameter. Adjust call to set_target.
3665 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3666 an elfcpp::Ehdr as parameter.
3667 * object.cc (Object::set_target): Remove the version that looks up
3668 a target and sets it.
3669 (Sized_relobj::setup): Take a Target object instead of
3670 an elfcpp::Ehdr as parameter. Adjust call to set_target.
3671 (make_elf_sized_object): Find target and ask target to
3672 make an ELF object.
3673 * object.h: (Object::set_target): Remove the version that looks up
3674 a target and sets it.
3675 (Sized_relobj::setup): Take a Target object instead of
3676 an elfcpp:Ehdr as parameter.
3677 * target.cc: Include dynobj.h.
3678 (Target::do_make_elf_object_implementation): New.
3679 (Target::do_make_elf_object): New.
3680 * target.h (Target::make_elf_object): New template declaration.
3681 (Target::do_make_elf_object): New method declarations.
3682 (Target::do_make_elf_object_implementation): New template declaration.
3683
cc70f101
ILT		 36842009-08-14 Ian Lance Taylor <iant@google.com>
3685
3686 * gold.h (FUNCTION_NAME): Define.
3687 (gold_unreachable): Use FUNCTION_NAME.
3688
ef5e0cb1
ST		 36892009-08-12 Sriraman Tallam <tmsriram@google.com>
3690
3691 * icf.cc (Icf::find_identical_sections): Issue a warning when a
3692 symbol in the --keep-unique list is not found.
3693
48c187ce
ST		 36942009-08-12 Sriraman Tallam <tmsriram@google.com>
3695
3696 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3697 been maked as --keep-unique.
3698 (Icf::unfold_section): New function.
3699 * icf.h (Icf::unfold_section): New function.
3700 * options.h (General_options::keep_unique): New option.
3701 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3702 * testsuite/Makefile.in: Regenerate.
3703 * testsuite/icf_keep_unique_test.sh: New file.
3704 * testsuite/icf_keep_unique_test.cc: New file.
3705
645afe0c
CC		 37062009-08-12 Cary Coutant <ccoutant@google.com>
3707
3708 PR 10471
3709 * resolve.cc (Symbol_table::resolve): Check for references from
3710 dynamic objects to hidden and internal symbols.
3711 * testsuite/Makefile.am (hidden_test.sh): New test.
3712 * testsuite/Makefile.in: Regenerate.
3713 * testsuite/hidden_test.sh: New script.
3714 * testsuite/hidden_test_1.c: New test source.
3715 * testsuite/hidden_test_main.c: New test source.
3716
11af873f
DK		 37172009-08-11 Doug Kwan <dougkwan@google.com>
3718
3719 * arm.cc: Update comments.
3720 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3721 segment to locate the .ARM.exidx section if present.
3722
b9f7d72d
DK		 37232009-08-09 Doug Kwan <dougkwan@google.com>
3724
3725 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3726 patch.
3727
ddd3c53c
ST		 37282009-08-07 Sriraman Tallam <tmsriram@google.com>
3729 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3730 compiler warnings.
3731
27721062
ST		 37322009-08-06 Sriraman Tallam <tmsriram@google.com>
3733
3734 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3735 valid tls_segment only for non-debug-section relocations.
3736 * testsuite/Makefile.am: Add gc_tls_test.
3737 * testsuite/Makefile.in: Regenerate.
3738 * testsuite/gc_tls_test.cc: New file.
3739 * testsuite/gc_tls_test.sh: New file.
3740
ef15dade
ST		 37412009-08-05 Sriraman Tallam <tmsriram@google.com>
3742
3743 * icf.cc: New file.
3744 * icf.h: New file.
3745 * Makefile.am (CCFILES): Add icf.cc.
3746 (HFILES): Add icf.h
3747 * Makefile.in: Regenerate.
3748 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3749 * gc.h (gc_process_relocs): Populate lists used by icf to contain
3750 section, symbol and addend information for the relocs.
3751 * gold.cc (queue_middle_tasks): Call identical code folding.
3752 * gold.h: Add defines for multimap.
3753 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3754 to the call of finalize_local_symbols.
3755 * main.cc (main): Create object of class Icf.
3756 * object.cc (Sized_relobj::do_layout): Allow this function to be
3757 called twice during icf.
3758 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3759 to sections marked as identical by icf.
3760 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3761 when available.
3762 (Sized_relobj::do_section_entsize): New function.
3763 * object.h (Object::section_entsize): New function.
3764 (Object::do_section_entsize): New pure virtual function.
3765 (Relobj::finalize_local_symbols): Add new parameter.
3766 (Relobj::do_section_entsize): New function.
3767 * options.h (General_options::icf): New option.
3768 (General_options::icf_iterations): New option.
3769 (General_options::print_icf_sections): New option.
3770 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3771 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3772 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3773 icf.
3774 * symtab.cc (Symbol_table::is_section_folded): New function.
3775 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
3776 to sections marked as identical by icf.
3777 * symtab.h (Symbol_table::set_icf): New function.
3778 (Symbol_table::icf): New function.
3779 (Symbol_table::is_section_folded): New function.
3780 (Symbol_table::icf_): New data member.
3781 * target-reloc.h (relocate_section): Ignore sections folded by icf.
3782 * testsuite/Makefile.am: Add commands to build icf_test.
3783 * testsuite/Makefile.in: Regenerate.
3784 * testsuite/icf_test.sh: New file.
3785 * testsuite/icf_test.cc: New file.
3786
c3b65ac4
CD		 37872009-07-24 Chris Demetriou <cgd@google.com>
3788
3789 * layout.cc (is_compressible_debug_section): Fix incorrect
3790 comment about compressed section names.
3791
1caf2c51
ILT		 37922009-07-20 Ian Lance Taylor <ian@airs.com>
3793
3794 PR 10419
3795 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3796
1ef4d87f
ILT		 37972009-07-16 Ian Lance Taylor <iant@google.com>
3798
3799 PR 10400
3800 * layout.h: #include <map>.
3801 (class Kept_section): Change from struct to class. Add accessors
3802 and setters. Add section size to Comdat_group mapping. Change
3803 Comdat_group to std::map. Add is_comdat_ field. Add
3804 linkonce_size field in union.
3805 (class Layout): Update declaration of find_or_add_kept_section.
3806 Don't declare find_kept_object.
3807 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3808 parameter. Add object, shndx, is_comdat, and is_group_name
3809 parameters. Change all callers. Adjust for new Kept_section.
3810 (Layout::find_kept_object): Remove.
3811 * object.cc (Sized_relobj::include_section_group): Update use of
3812 Kept_section. Rename secnum to shndx. Only record
3813 Kept_comdat_section if sections are the same size.
3814 (Sized_relobj::include_linkonce_section): Update use of
3815 Kept_section. Only record Kept_comdat_section if sections are the
3816 same size. Set size of linkonce section.
3817 (Sized_relobj::map_to_kept_section): Update call to
3818 get_kept_comdat_section.
3819 * object.h (class Sized_relobj): Rename fields in
3820 Kept_comdat_section to drop trailing underscores; change object
3821 field to Relobj*. Change Kept_comdat_section_table to store
3822 struct rather than pointer.
3823 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3824 Add kept_object and kept_shndx parameters. Change all callers.
3825 (Sized_relobj::get_kept_comdat_section): Change return type to
3826 bool. Add kept_object and kept_shndx parameters. Change all
3827 callers.
3828 * plugin.cc (Pluginobj::include_comdat_group): Update call to
3829 Layout::find_or_add_kept_section.
3830
37c3b7b0
ILT		 38312009-07-09 Ian Lance Taylor <iant@google.com>
3832
3833 * merge.cc (Object_merge_map::initialize_input_to_output_map):
3834 Reserve space in the hash table.
3835
98fa85cb
ILT		 38362009-07-06 Mikolaj Zalewski <mikolajz@google.com>
3837
3838 * fileread.cc (File_read::get_mtime): New method.
3839 * fileread.h (Timespec): New structure.
3840 (File_read::get_mtime): New method.
3841 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3842 Renamed from timestamp_nsec.
3843 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3844 Elf_Xword.
3845 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3846 timestamp_nsec.
3847 (Incremental_inputs::report_archive): Save mtime; style fix.
3848 (Incremental_inputs::report_obejct): Save mtime; style fix.
3849 (Incremental_inputs::report_script): Save mtime; style fix.
3850 (Incremental_inputs::finalize_inputs): Style fix.
3851 (Incremental_inputs::finalize): Style fix.
3852 (Incremental_inputs::create_input_section_data): Store inputs
3853 mtime.
3854 * incremental.h (Incremental_inputs::report_script): Add mtime
3855 argument.
3856 (Incremental_inputs::Input_info::Input_info): Intialize only one
3857 union member.
3858 (Incremental_inputs::Input_info::archive): Move to nameless
3859 union.
3860 (Incremental_inputs::Input_info::obejct): Move to nameless union.
3861 (Incremental_inputs::Input_info::script): Move to nameless union.
3862 (Incremental_inputs::mtime): New field.
3863 * script.cc (read_input_script): Pass file mtime to
3864 Incremental_input.
3865 * script.h (Script_info::inputs): Style fix.
3866
c9d70757
ILT		 38672009-07-01 Ian Lance Taylor <ian@airs.com>
3868
3869 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3870 instead of 32.
3871
9c547ec3
ILT		 38722009-06-24 Ian Lance Taylor <iant@google.com>
3873
3874 PR 10156
3875 * layout.cc (Layout::choose_output_section): If we find an
3876 existing section, update the flags.
3877 (Layout::create_notes): New function, broken out of
3878 Layout::finalize.
3879 (Layout::finalize): Don't create note sections.
3880 (Layout::create_note): Don't crash if linker script discards
3881 section.
3882 (Layout::create_gold_note): Likewise.
3883 (Layout::create_build_id): Likewise. Don't set
3884 after_input_sections on the section.
3885 (Layout::create_executable_stack_info): Remove target parameter.
3886 Change caller.
3887 * layout.h (class Layout): Declare create_notes. Update
3888 declaration of create_executable_stack_info.
3889 * gold.cc (queue_middle_tasks): Call create_notes.
3890 * output.cc (Output_section::update_flags_for_input_section): Move
3891 here from output.h. If SHF_ALLOC flag is newly set, mark address
3892 invalid.
3893 * output.h (Output_data::mark_address_invalid): New function.
3894 (class Output_section): Only declare, not define,
3895 update_flags_for_input_section. Remove set_flags.
3896
55458500
ILT		 38972009-06-24 Ian Lance Taylor <iant@google.com>
3898
3899 * script-sections.cc (Output_section_definition::
3900 set_section_addresses): Rename shadowing local load_address to
3901 laddr.
3902
1307d6cd
ILT		 39032009-06-24 Ian Lance Taylor <iant@google.com>
3904
3905 PR 10244
3906 * reloc.cc (relocate_sections): Skip empty relocation sections.
3907
ec3f783e
ILT		 39082009-06-23 Ian Lance Taylor <iant@google.com>
3909
3910 PR 10156
3911 * layout.cc (Layout::create_note): Use choose_output_section
3912 rather than make_output_section.
3913
459c9f1c
ILT		 39142009-06-23 Ian Lance Taylor <iant@google.com>
3915
3916 PR 10237
3917 * options.cc (General_options::parse_V): Set printed_version_.
3918 (General_options::General_options): Initialize printed_version_.
3919 * options.h (class General_options): Add printed_version_ field.
3920 * gold.cc (queue_initial_tasks): If there are no input files,
3921 don't give a fatal error if we printed the version information.
3922 (queue_middle_tasks): If using -r with a shared object, give a
3923 fatal error rather than an ordinary error.
3924
1518dc8f
ILT		 39252009-06-23 Ian Lance Taylor <iant@google.com>
3926
3927 PR 10219
3928 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3929 (Layout::make_output_section): Set have_stabstr_section_ if we see
3930 a .stab*str section.
3931 (Layout::finalize): Call link_stabs_sections.
3932 (Layout::link_stabs_sections): New file.
3933 * layout.h (class Layout): Add have_stabstr_section_ field.
3934 Declare link_stabs_sections.
3935
3d857b98
DK		 39362009-06-23 Doug Kwan <dougkwan@google.com>
3937
3938 * Makefile.am (libgold_a_LIBADD): New.
3939 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3940 * Makefile.in: Regenerate.
3941 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3942 * configure: Regenerate.
3943 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3944 * fileread.cc: Include sys/state.h
3945 * gold.h: Declare memmem and strndup if found missing.
3946 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3947
0639a6f6
ILT		 39482009-06-23 Ian Lance Taylor <iant@google.com>
3949
3950 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3951 * configure: Rebuild.
3952
8d63875c
ILT		 39532009-06-23 Ian Lance Taylor <iant@google.com>
3954
3955 PR 10147
3956 * object.cc (Object::section_contents): Don't try to get a view if
3957 the section has length zero.
3958 (Object::handle_gnu_warning_section): If the section is empty, use
3959 the name of the section as the warning.
3960
f7c8a183
ILT		 39612009-06-23 Ian Lance Taylor <iant@google.com>
3962
3963 PR 10133
3964 * stringpool.h (class Stringpool_template): Add optimize_ field.
3965 (Stringpool_template::set_optimize): New function.
3966 * stringpool.cc (Stringpool_template::Stringpool_template):
3967 Initialize optimize_ field.
3968 (Stringpool_template::set_string_offsets): Test local optimize
3969 fild rather than parameter.
3970 * layout.cc (Layout::Layout): Call set_optimize on the section
3971 name stringpool.
3972
e6a307ba
ILT		 39732009-06-22 Ian Lance Taylor <iant@google.com>
3974
3975 PR 10030
3976 * yyscript.y: Parse TARGET.
3977 * script.cc (script_set_target): New function.
3978 * script-c.h (script_set_target): Declare.
3979 * options.cc (General_options::string_to_object_format): Rename
3980 from string_to_object_format in anonymous namespace. Change
3981 callers.
3982 * options.h (class General_options): Declare
3983 string_to_object_format.
3984
3ee173de
ILT		 39852009-06-22 Ian Lance Taylor <iant@google.com>
3986
3987 * script-sections.cc (Script_sections::create_segments): Don't put
3988 program headers in a PT_LOAD segment if -n or -N.
3989
39902009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 3991
3992 PR 10141
3993 * options.h (class General_options): Add -z lazy and -z now. Sort
3994 -z options into alphabetical order.
3995 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3996
cd6739a1 39972009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 3998
3999 * layout.cc (Layout::make_output_section): Call
4000 Target::new_output_section.
4001 (Layout::attach_allocated_section_to_segment): Put large section
4002 sections in a separate load segment with the large segment flag
4003 set.
4004 (Layout::segment_precedes): Sort large data segments after other
4005 load segments.
4006 (align_file_offset): New static function.
4007 (Layout::set_segment_offsets): Use align_file_offset.
4008 * output.h (class Output_section): Add is_small_section_ and
4009 is_large_section_ fields.
4010 (Output_section::is_small_section): New function.
4011 (Output_section::set_is_small_section): New function.
4012 (Output_section::is_large_section): New function.
4013 (Output_section::set_is_large_section): New function.
4014 (Output_section::is_large_data_section): New function.
4015 (class Output_segment): Add is_large_data_segment_ field.
4016 (Output_segment::is_large_data_segment): New function.
4017 (Output_segment::set_is_large_data_segment): New function.
4018 * output.cc (Output_section::Output_section): Initialize new
4019 fields.
4020 (Output_segment::Output_segment): Likewise.
4021 (Output_segment::add_output_section): Add assertion that large
4022 data sections always go in large data segments. Force small data
4023 sections to the end of the list of data sections. Force small BSS
4024 sections to the start of the list of BSS sections. For large BSS
4025 sections to the end of the list of BSS sections.
4026 * symtab.h (class Symbol): Declare is_common_shndx.
4027 (Symbol::is_defined): Check Symbol::is_common_shndx.
4028 (Symbol::is_common): Likewise.
4029 (class Symbol_table): Define enum Commons_section_type. Update
4030 declarations. Add small_commons_ and large_commons_ fields.
4031 * symtab.cc (Symbol::is_common_shndx): New function.
4032 (Symbol_table::Symbol_table): Initialize new fields.
4033 (Symbol_table::add_from_object): Put small and large common
4034 symbols in the right list.
4035 (Symbol_table::sized_finalized_symbol): Check
4036 Symbol::is_common_shndx.
4037 (Symbol_table::sized_write_globals): Likewise.
4038 * common.cc (Symbol_table::do_allocate_commons): Allocate new
4039 common symbol lists. Don't call do_allocate_commons_list if the
4040 list is empty.
4041 (Symbol_table::do_allocate_commons_list): Remove is_tls
4042 parameter. Add comons_section_type parameter. Change all
4043 callers. Handle small and large common symbols.
4044 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4045 Symbol::is_common_shndx.
4046 * resolve.cc (symbol_to_bits): Likewise.
4047 * target.h (Target::small_common_shndx): New function.
4048 (Target::small_common_section_flags): New function.
4049 (Target::large_common_shndx): New function.
4050 (Target::large_common_section_flags): New function.
4051 (Target::new_output_section): New function.
4052 (Target::Target_info): Add small_common_shndx, large_common_shndx,
4053 small_common_section_flags, and large_common_section_flags
4054 fields.
4055 (Target::do_new_output_section): New virtual function.
4056 * arm.cc (Target_arm::arm_info): Initialize new fields.
4057 * i386.cc (Target_i386::i386_info): Likewise.
4058 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4059 Likewise.
4060 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4061 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4062 (Target_x86_64::do_new_output_section): New function.
4063 * configure.ac: Define conditional MCMODEL_MEDIUM.
4064 * testsuite/Makefile.am (check_PROGRAMS): Add large.
4065 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4066 (large_LDFLAGS): Define.
4067 * testsuite/large.c: New file.
4068 * testsuite/testfile.cc (Target_test::test_target_info):
4069 Initialize new fields.
4070 * configure, testsuite/Makefile.in: Rebuild.
4071
bb04269c
DK		 40722009-06-05 Doug Kwan <dougkwan@google.com>
4073
4074 * Makefile.am (CCFILES): Add target.cc.
4075 * Makefile.in: Regenerate.
4076 * i386.cc (class Target_i386): Define new virtual method to
4077 override do_is_local_label_name in parent.
4078 * object.cc (Sized_relobj::do_count_local_symbols): Discard
4079 local symbols if --discard-locals or -X is given.
4080 * options.h (class General_options): Declare new options
4081 '--discard-locals' and '-X' for discarding locals.
4082 * target.h (class Target): Define new methods is_local_label_name.
4083 Declare new virtual method do_is_local_label_name.
4084 * target.cc: New file.
4085 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4086 (check_SCRIPTS): Add discard_locals_test.sh.
4087 (check_DATA): Add discard_local_tests.syms.
4088 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4089 (discard_local_tests.syms, discard_locals_test.o): New make rules.
4090 * testsuite/Makefile.in: Regenerate.
4091 * testsuite/discard_locals_test.c: New file.
4092 * testsuite/discard_locals_test.sh: Same.
4093
805bb01c
DK		 40942009-06-05 Doug Kwan <dougkwan@google.com>
4095
4096 * object.cc (Sized_relobj::Sized_relobj): Initialize
4097 discarded_eh_frame_shndx_ to -1U.
4098 (Sized_relobj::do_layout): Record index of a discard .eh_frame
4099 section.
4100 (Sized_relobj::do_count_local_symbols): Skip local symbols in
4101 a discarded .eh_frame section.
4102 (Sized_relobj::do_finalize_local_symbols): Ditto.
4103 * object.h (class Sized_relobj): Declare new member
4104 discarded_eh_frame_shndx_.
4105 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4106 (local_labels_test.o, local_labels_test): New rules.
4107 * testsuite/Makefile.in: Regenerate.
4108
1dcd334d
DK		 41092009-06-04 Doug Kwan <dougkwan@google.com>
4110
4111 * layout.cc (Layout::section_name_mapping): Add mapping for
4112 special ARM sections.
4113
96d49306
DK		 41142009-06-03 Doug Kwan <dougkwan@google.com>
4115
4116 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4117 (utils::has_overflow): Same.
4118
dff16297
ILT		 41192009-06-03 Ian Lance Taylor <iant@google.com>
4120
4121 * layout.cc (Layout::section_name_mapping): New array, replacing
4122 Layout::linkonce_mapping.
4123 (Layout::section_name_mapping_count): New variable, replacing
4124 Layout::linkonce_mapping_count.
4125 (Layout::linkonce_output_name): Remove.
4126 (Layout::output_section_name): Rewrite.
4127 * layout.h (class Layout): Rename Linkonce_mapping to
4128 Section_name_mapping, linkonce_mapping to section_name_mapping,
4129 linkonce_mapping_count to section_name_mapping_count. Don't
4130 declare linkonce_output_name.
4131
c121c671
DK		 41322009-06-03 Doug Kwan <dougkwan@google.com>
4133
4134 * gold/arm.cc (namespace utils): New.
4135 (Target_arm::reloc_is_non_pic): Define new method.
4136 (class Arm_relocate_functions): New.
4137 (Target_arm::Relocate::relocate): Handle relocation types used by
4138 Android.
4139
07800fab
ILT		 41402009-06-03 Ian Lance Taylor <iant@google.com>
4141
4142 * arm.cc (Target_arm::scan::global): Use || instead of |.
4143
c121c671
DK		 41442009-06-02 Doug Kwan <dougkwan@google.com>
4145
4146 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
4147 issued_non_pic_error_.
4148 (class Target_arm::Scan): Declare new method check_non_pic.
4149 Define new method symbol_needs_plt_entry.
4150 Declare new data member issued_non_pic_error_.
4151 (class Target_arm::Relocate): Declare new method
4152 should_apply_static_reloc.
4153 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4154 (Target_arm::Scan::check_non_pic): Define new method.
4155 (Target_arm::Scan::local): Handle a small subset of reloc types used
4156 by Android.
4157 (Target_arm::Scan::local): Same.
4158 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4159
b19b0c6d
ILT		 41602009-05-31 Mikolaj Zalewski <mikolajz@google.com>
4161
4162 * incremental.cc (Incremental_inputs::report_command_line): Filter
4163 out --incremental-* options.
4164
94cdfcff
DK		 41652009-05-29 Doug Kwan <dougkwan@google.com>
4166
4167 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4168 template class.
4169 (class Target_arm): Update comment.
4170 (Target_arm::Target_arm): Initialize new data members GOT_,
4171 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4172 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4173 and Target_arm::rel_dyn_section.
4174 Declare new_enum Target_arm::Got_type.
4175 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4176 and DYNBSS_.
4177 Update commments for member do_dynsym_value.
4178 (Target_arm::got_size, Target_arm::plt_section,
4179 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4180 new methods inside class defintion.
4181 (Target_arm::got_section): Define new method.
4182 (Target_arm::rel_dyn_section): Same.
4183 (Output_data_plt_arm): New template class.
4184 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4185 (Output_data_plt_arm:do_adjust_output_section): Define new method.
4186 (Output_data_plt_arm::add_entry): Same.
4187 (Output_data_plt_arm::first_plt_entry): Define new
4188 static data member for PLT instruction template.
4189 (Output_data_plt_arm::plt_entry): Same.
4190 (Output_data_plt_arm::do_write): Define new method.
4191 (Target_arm::make_plt_entry): Same.
4192 (Target_arm::do_finalize_sections): Same.
4193 (Target_arm::do_dynsym_value): Same.
4194
4a657b0d
DK		 41952009-05-28 Doug Kwan <dougkwan@google.com>
4196
4197 * Makefile.am (TARGETSOURCES): Add arm.cc.
4198 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4199 * Makefile.in: Regenerate.
4200 * arm.cc: New file.
4201 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4202
e7ae8c36
DK		 42032009-05-26 Doug Kwan <dougkwan@google.com>
4204
4205 * options.cc (General_options::parse_exclude_libs). Fix a comment.
4206 (General_options::check_excluded_libs): Strip off directories in
4207 archive name before matching like GNU ld does.
4208 * testsuite/Makefile.am (MOSTLYCLEANFILES,
4209 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4210 (exclude_libs_test_LDFLAGS): Add linker option
4211 -Wl,--exclude-libs,libexclude_libs_test_3
4212 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4213 an explicit archive without using -l.
4214 (alt/libexclude_libs_test_3.a): New make rule.
4215 * testsuite/Makefile.in: Regenerate.
4216 * testsuite/exclude_libs_test.c : Declare lib3_default().
4217 (main): Call it.
4218 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4219 * exclude_libs_test_3.c: New file.
4220
f12e7348
NC		 42212009-05-26 Nick Clifton <nickc@redhat.com>
4222
4223 * po/id.po: New Indonesian translation.
4224 * po/gold.pot: Updated template file.
4225
4daadc0d
ST		 42262009-05-22 Sriraman Tallam <tmsriram@google.com>
4227
4228 * testsuite/Makefile.am: Add -ffunction-sections to compile
4229 gc_comdat_test files. Add -Wl,--gc-sections to build
4230 gc_comdat_test.
4231 * testsuite/Makefile.in: Regenerate.
4232 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4233
531813ad
ST		 42342009-05-21 Sriraman Tallam <tmsriram@google.com>
4235
4236 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4237 kept comdat section was garbage collected.
4238 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4239 * testsuite/Makefile.in: Regenerate.
4240 * testsuite/gc_comdat_test.sh: New file.
4241 * testsuite/gc_comdat_test_1.cc: New file.
4242 * testsuite/gc_comdat_test_2.cc: New file.
4243
65514900
CC		 42442009-05-19 Doug Kwan <dougkwan@google.com>
4245
4246 * archive.cc (Archive::Archive): Move constructor from archive.h
4247 to here. Initialize no_export_.
4248 (Archive::get_elf_object_for_member): Set no_export flag of object.
4249 * archive.h (Archive::Archive): Move constructor body to
4250 archive.cc.
4251 (Archive::no_export): New method.
4252 (Archive::no_export_): New field.
4253 * object.h (Object::Object): Initialize no_export_ to false.
4254 (Object::no_export, Object::set_no_export): New methods.
4255 (Object::no_export_): New field.
4256 * options.cc (General_options::parse_exclude_libs): New method.
4257 (General_options::check_excluded_libs) Same.
4258 * options.h (exclude_libs): New option.
4259 (General_options::check_excluded_libs): New method declaration.
4260 (General_options::excluded_libs_): New field.
4261 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4262 default or protected visibility if an object has no-export flag set.
4263 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4264 (check_SCRIPTS): Add exclude_libs_test.sh.
4265 (check_DATA): Add exclude_libs_test.syms.
4266 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4267 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4268 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4269 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4270 (exclude_libs_test.syms, libexclude_libs_test_1.a,
4271 libexclude_libs_test_2.a): New rules.
4272 * testsuite/Makefile.in: Regenerate.
4273 * testsuite/exclude_libs_test.c: New file.
4274 * testsuite/exclude_libs_test.sh: Ditto.
4275 * testsuite/exclude_libs_test_1.c: Ditto.
4276 * testsuite/exclude_libs_test_2.c: Ditto.
4277
1b77ea50
ILT		 42782009-05-15 Ian Lance Taylor <iant@google.com>
4279
4280 * configure.ac: Check for declarations for cases where libiberty.h
4281 checks HAVE_DECL_xxx.
4282 * configure, config.in: Rebuild.
4283
072fe7ce
ILT		 42842009-05-15 Mikolaj Zalewski <mikolajz@google.com>
4285
4286 * gold.h (Incremental_argument_list): Remove (invalid) forward
4287 declaration.
4288 * incremental.cc (Incremental_inputs::report_achive): New method.
4289 (Incremental_inputs::report_object): New method.
4290 (Incremental_inputs::report_script): New method.
4291 (Incremental_inputs::finalize_inputs): New method.
4292 (Incremental_inputs::finalize): Call finalize_inputs().
4293 (Incremental_inputs::sized_create_incremental_inputs_section_data):
4294 Create inputs entries.
4295 * incremental.h (Incremental_input_type): New enum.
4296 (Incremental_inputs::Incremental_input): Initialize new fields.
4297 (Incremental_inputs::report_inputs): New method.
4298 (Incremental_inputs::report_achive): New method.
4299 (Incremental_inputs::report_object): New method.
4300 (Incremental_inputs::report_script): New method.
4301 (Incremental_inputs::finalize_inputs): New method.
4302 (Incremental_inputs::Input_info): New struct.
4303 (Incremental_inputs::Input_info_map): New typedef.
4304 (Incremental_inputs::lock_): New field.
4305 (Incremental_inputs::Inputs_): New field.
4306 (Incremental_inputs::Inputs_map): New field.
4307 * main.cc (main): Call Incremental_input::report_inputs.
4308 * options.h (Input_argument_list): Typedef moved from
4309 Input_arguments.
4310 (Input_file_group::Files): Remove, use ::Input_argument_list.
4311 (Input_file_group::Input_argument_list): Remove, use
4312 ::Input_argument_list.
4313 * plugin.cc (Plugin_manager::add_input_file): Add error in
4314 incremental build.
4315 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4316 functions.
4317 * script.cc (read_input_script): Call
4318 Incremental_input::report_script.
4319 * script.h (Script_info): New class.
4320
b0481b0b
ILT		 43212009-04-27 Ian Lance Taylor <iant@google.com>
4322
4323 * x86_64.cc (do_adjust_output_section): Set entsize to
4324 plt_entry_size.
4325
b22a5a41 43262009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 4327
4328 * output.cc (Output_file::close): After short writes, continue
4329 writing from the correct offset in the buffer being written.
4330
40fde488
CD		 43312009-04-23 Chris Demetriou <cgd@google.com>
4332
4333 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4334 * configure: Regenerate.
4335 * config.in: Regenerate.
4336 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4337 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4338
3ce2c28e
ILT		 43392009-04-21 Mikolaj Zalewski <mikolajz@google.com>
4340
4341 * incremental.cc (Incremental_inputs_header_data): Renamed from
4342 Incremental_input_header_data.
4343 (Incremental_inputs_header_data::data_size): New field.
4344 (Incremental_inputs_header_data::put_input_file_count): Renamed
4345 from input_file_count.
4346 (Incremental_inputs_header_data::put_command_line_offset): Renamed
4347 from command_line_offset.
4348 (Incremental_inputs_header_data::put_reserved): Renamed from
4349 put_reserved.
4350 (Incremental_inputs_entry_data): Renamed from
4351 Incremental_input_entry_data.
4352 (Incremental_inputs_entry_data::data_size): New field.
4353 (Incremental_inputs::report_command_line): New method.
4354 (Incremental_inputs::finalize): New method.
4355 (Incremental_inputs::create_incremental_inputs_data): New method.
4356 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4357 * incremental.h: New file.
4358 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4359 (Layout::finalize): Create incremental inputs section in
4360 incremental builds.
4361 (Layout::create_incremental_info_sections): New method.
4362 * layout.h (Layout::incremental_inputs): New method.
4363 (Layout::create_incremental_info_sections): New method.
4364 (Layout::incremental_inputs_): New field.
4365 * main.cc (main): Notify Incremental_input of the command line.
4366
e55bde5e
ILT		 43672009-04-01 Ian Lance Taylor <iant@google.com>
4368 Mikolaj Zalewski <mikolajz@google.com>
4369
4370 * gold.h (reserve_unordered_map): Define, three versions, one for
4371 each version of Unordered_map.
4372 * layout.cc (Layout::Layout): Remove options parameter. Add
4373 number_of_input_files parameter. Don't initialize options_.
4374 Initialize number_of_input_files_ and resized_signatures_. Move
4375 sections_are_attached_.
4376 (Layout::layout_group): Reserve space for group_signatures_.
4377 (Layout::find_or_add_kept_section): Change name parameter to be a
4378 reference. Resize signatures_ map when it gets large enough.
4379 (Layout::layout_eh_frame): Use parameters->options() instead of
4380 this->options_.
4381 (Layout::make_output_section): Likewise.
4382 (Layout::attach_allocated_section_to_segment): Likewise.
4383 (Layout::finalize, Layout::create_executable_stack): Likewise.
4384 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4385 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4386 * layout.h (class Layout): Update declarations. Remove options_
4387 field. Add number_of_input_files_ and resized_signatures_
4388 fields. Move sections_are_attached_ field.
4389 * main.cc (main): Pass number of input files to Layout
4390 constructor. Don't pass options.
4391
154b857c
ILT		 43922009-03-30 Ian Lance Taylor <iant@google.com>
4393
4394 * ffsll.c (ffsll): Correct implementation.
4395
2f35ab9b
ILT		 43962009-03-27 Ian Lance Taylor <iant@google.com>
4397
fd03461a
ILT		 4398 * ffsll.c: New file.
4399 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4400 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4401 * ftruncate.c (ftruncate): Declare before definition.
4402 * mremap.c (mremap): Likewise.
4403 * pread.c (pread): Likewise.
4404 * configure, Makefile.in, config.in: Rebuild.
4405
2f35ab9b
ILT		 4406 * mremap.c: New file.
4407 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4408 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4409 (mremap): Declare if HAVE_MREMAP is not defined.
4410 * configure, Makefile.in, config.in: Rebuild.
4411
33aea2fd
CC		 44122009-03-27 Cary Coutant <ccoutant@google.com>
4413
4414 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4415 position independent.
4416 * sparc.cc (Target_sparc::check_non_pic): Likewise.
4417 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4418
6d479619
CC		 44192009-03-24 Cary Coutant <ccoutant@google.com>
4420
4421 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4422 an executable.
4423 (needs_dynamic_reloc): Likewise.
4424
afc06bb8
ILT		 44252009-03-24 Ian Lance Taylor <iant@google.com>
4426
4427 * yyscript.y (file_cmd): Recognize EXTERN.
4428 (extern_name_list, extern_name_list_body): New nonterminals.
4429 * script.cc (script_add_extern): Define.
4430 * script-c.h (script_add_extern): Declare.
4431
f6060a4d
ILT		 44322009-03-24 Rafael Avila de Espindola <espindola@google.com>
4433
4434 * object.cc (is_elf_object): Define.
4435 * object.h (is_elf_object): Declare.
4436 * archive.cc (Archive::get_elf_object_for_member): Call
4437 is_elf_object.
33aea2fd 4438 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 4439
26736d8e
ILT		 44402009-03-24 Elliott Hughes <enh@google.com>
4441
4442 * output.cc (Output_file::map_anonymous): Define.
4443 (Output_file::map): Use map_anonymous. If the regular mmap fails,
4444 try an anonymous one. Report the size if the mmap fails.
4445 * output.h (class Output_file): Declare map_anonymous.
4446
22fd9730
ILT		 44472009-03-24 Ian Lance Taylor <iant@google.com>
4448
4449 * target-select.cc (instantiate_target): Don't acquire the lock if
4450 the instantiated_target_ field has already been set.
4451
cb010894
ILT		 44522009-03-23 Ian Lance Taylor <iant@google.com>
4453
7f055c20
ILT		 4454 * gold-threads.h (class Initialize_lock): Define.
4455 * gold-threads.cc (class Initialize_lock_once): Define.
4456 (initialize_lock_control): New static variable.
4457 (initialize_lock_pointer): New static variable.
4458 (initialize_lock_once): New static function.
4459 (Initialize_lock::Initialize_lock): Define.
4460 (Initialize_lock::initialize): Define.
4461 * target-select.h: Include "gold-threads.h".
4462 (class Target_selector): Add lock_ and initialize_lock_ fields.
4463 Don't define instantiate_target, just declare it.
4464 * target-select.cc (Target_selector::Target_selector): Initialize
4465 new fields.
4466 (Target_selector::instantiate_target): Define.
4467 * descriptors.h: Include "gold-threads.h".
4468 (class Descriptors): Add initialize_lock_ field.
4469 * descriptors.cc (Descriptors::Descriptors): Initialize new
4470 field.
4471 (Descriptors::open): Use initialize_lock_ field
4472 * errors.h (class Errors): Add initialize_lock_ field.
4473 * errors.cc (Errors::Errors): Initialize new field.
4474 (Errors::initialize_lock): Use initialize_lock_ field.
4475 * powerpc.cc (class Target_selector_powerpc): Remove
4476 instantiated_target_ field. In do_recognize call
4477 instantiate_target rather than do_instantiate_target. In
4478 do_instantiate_target just allocate a new target.
4479 * sparc.cc (class Target_selector_sparc): Likewise.
4480
36959681
ILT		 4481 * freebsd.h: New file.
4482 * i386.cc: Include "freebsd.h".
4483 (Target_i386): Derive from Target_freebsd rather than
4484 Sized_target.
4485 (Target_selector_i386): Derive from Target_selector_freebsd rather
4486 than Target_selector.
4487 * x86_64.cc: Include "freebsd.h".
4488 (Target_x86_64): Derive from Target_freebsd rather than
4489 Sized_target.
4490 (Target_selector_x86_64): Derive from Target_selector_freebsd
4491 rather than Target_selector.
4492 * target.h (class Target): Add adjust_elf_header and
4493 do_adjust_elf_header.
4494 * output.cc (Output_file_header:: do_sized_write): Call target
4495 adjust_elf_header routine.
4496 * configure.tgt: Set targ_osabi.
4497 * configure.ac: Define GOLD_DEFAULT_OSABI.
4498 * parameters.cc (Parameters::default_target): Pass
4499 GOLD_DEFAULT_OSABI to select_target.
4500 * target-select.h (class Target_selector): Make instantiate_target
4501 protected rather than private.
4502 * Makefile.am (HFILES): Add freebsd.h.
4503 * configure, Makefile.in, config.in: Rebuild.
4504
cb010894
ILT		 4505 * merge.cc (do_add_input_section): Correct pend value. Change
4506 message about last entry not being null terminated from error to
4507 warning.
4508
0e879927
ILT		 45092009-03-20 Mikolaj Zalewski <mikolajz@google.com>
4510
4511 * incremental.cc: New file.
4512 * Makefile.am (CCFILES): Add incremental.cc.
4513 * Makefile.in: Rebuild.
4514
41105937
PP		 45152009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
4516
4517 * layout.cc (Layout::output_section_name): Preserve names
4518 of '.note.' sections.
4519
60439920
ILT		 45202009-03-19 Ian Lance Taylor <iant@google.com>
4521
4522 * descriptors.cc (Descriptors::open): Check that the options are
4523 valid before using them.
4524
0d371ad3
ILT		 45252009-03-18 Ian Lance Taylor <iant@google.com>
4526
4527 * script-sections.h: Include <list>.
4528 (class Script_sections): Change Sections_elements from std::vector
4529 to std::list. Typedef public Elements_iterator. Add
4530 orphan_section_placement_, data_segment_align_start_, and
4531 saw_data_segment_align_ fields. Remove data_segment_align_index_
4532 field.
4533 * script-sections.cc (class Orphan_section_placement): New class.
4534 (class Sections_element): Add virtual functions is_relro and
4535 orphan_section_init. Remove virtual function place_orphan_here.
4536 (class Output_section_definition): Add is_relro and
4537 orphan_section_init. Remove place_orphan_here.
4538 (class Orphan_output_section): Likewise.
4539 (Script_sections::Script_sections): Update for field changes.
4540 (Script_sections::data_segment_align): Set saw_data_segment_align_
4541 and data_segment_align_start_, not data_segment_align_index.
4542 (Script_sections::data_segment_relro_end): Check
4543 saw_data_segment_align_. Use data_segment_align_start_ rather
4544 than data_segment_align_index_.
4545 (Script_sections::place_orphan): Rewrite to use
4546 Orphan_section_placement.
4547
9201d894
ILT		 45482009-03-17 Ian Lance Taylor <iant@google.com>
4549
9c5b8369
ILT		 4550 * archive.cc (Archive::add_symbols): Check for a version attached
4551 to the symbol name in the archive map.
4552 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4553 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4554 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4555 (ver_test_11.a): New target.
4556 * testsuite/Makefile.in: Rebuild.
4557
9201d894
ILT		 4558 * configure.ac: Check for chsize and posix_fallocate. Replace
4559 ftruncate.
4560 * ftruncate.c: New file, from gnulib.
4561 * output.cc (posix_fallocate): Define dummy version if not
4562 HAVE_POSIX_FALLOCATE.
4563 (Output_file::map): Call posix_fallocate rather than lseek and
4564 write.
4565 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4566 * configure, Makefile.in, config.in: Rebuild.
4567
ef4ab7a8
PP		 45682009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
4569
4570 * layout.h (Layout::create_note): Add section_name parameter.
4571 * layout.cc (Layout::create_note): Likewise.
4572 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4573
8c500701
ILT		 45742009-03-17 Ian Lance Taylor <iant@google.com>
4575
e85b18e1
ILT		 4576 * descriptors.cc: Include "options.h".
4577 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4578 (Descriptors::open): Always use O_CLOEXEC when opening a new
4579 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
4580 then set FD_CLOEXEC.
4581
9efe6174
ILT		 4582 * sparc.cc (class Target_sparc): Add has_got_section.
4583 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4584 make sure we have a GOT section.
4585
4586 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4587 (Target_sparc::Scan::local): Likewise.
4588 (Target_sparc::Scan::global): Likewise.
4589 (Target_sparc::Relocate::relocate): Likewise.
4590 (Target_sparc::Relocate::relocate_tls): Likewise.
4591
8c500701
ILT		 4592 * symtab.cc (Symbol_table::define_default_version): New function,
4593 broken out of add_from_object.
4594 (Symbol_table::add_from_object): Call define_default_version.
4595 (Symbol_table::define_special_symbol): Add resolve_oldsym
4596 parameter. Change all callers. If the version for a symbol comes
4597 from a version script, resolve it with the symbol with the same
4598 name with no version. Also add the symbol without a version if
4599 appropriate.
4600 (do_define_in_output_data): If resolving with oldsym, don't delete
4601 sym.
4602 (do_define_in_output_segment): Likewise.
4603 (do_define_as_constant): Likewise.
4604 * symtab.h (class Symbol_table): Update declarations.
4605
f1ed28fb
ILT		 46062009-03-13 Ian Lance Taylor <iant@google.com>
4607
15f8229b
ILT		 4608 * readsyms.cc (Read_symbols::incompatible_warning): New function.
4609 (Read_symbols::requeue): New function.
4610 (Read_symbols::do_read_symbols): If make_elf_object fails because
4611 the target type is not configured, and the file was searched for,
4612 issue a warning and retry with the next directory.
4613 (Add_symbols::run): If the file has an incompatible format, and
4614 it was searched for, requeue the Read_symbols task. On error,
4615 release the object.
4616 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
4617 dirindex parameter to constructor. Change all callers. Declare
4618 incompatible_warning and requeue.
4619 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4620 input_argument_ and input_group_ fields. Add them to
4621 constructor. Change all callers.
4622 (class Read_script): Add dirindex_ field. Add it to constructor.
4623 Change all callers.
4624 * archive.cc (Archive::setup): Remove input_objects parameter.
4625 Change all callers.
4626 (Archive::get_file_and_offset): Likewise.
4627 (Archive::read_all_symbols): Likewise.
4628 (Archive::read_symbols): Likewise.
4629 (Archive::get_elf_object_for_member): Remove input_objects
4630 parameter. Add punconfigured parameter. Change all callers.
4631 (Archive::add_symbols): Change return type to bool. Check return
4632 value of include_member.
4633 (Archive::include_all_members): Likewise.
4634 (Archive::include_member): Change return type to bool. Return
4635 false if first included object has incompatible target. Set
4636 included_member_ field.
4637 (Add_archive_symbols::run): If add_symbols returns false, requeue
4638 Read_symbols task.
4639 * archive.h (class Archive): Add included_member_ field.
4640 Initialize it in constructor. Add input_file and searched_for
4641 methods. Update declarations.
4642 (class Add_archive_symbols): Add dirpath_, dirindex_, and
4643 input_argument_ fields. Add them to constructor. Change all
4644 callers.
4645 * script.cc: Include "target-select.h".
4646 (class Parser_closure): Add skip_on_incompatible_target_ and
4647 found_incompatible_target_ fields. Add
4648 skip_on_incompatible_target parameter to constructor. Change all
4649 callers. Add methods skip_on_incompatible_target,
4650 clear_skip_on_incompatible_target, found_incompatible_target, and
4651 set_found_incompatible_target.
4652 (read_input_script): Add dirindex parameter. Change all callers.
4653 If parser finds an incompatible target, requeue Read_symbols
4654 task.
4655 (script_set_symbol): Clear skip_on_incompatible_target in
4656 closure.
4657 (script_add_assertion, script_parse_option): Likewise.
4658 (script_start_sections, script_add_phdr): Likewise.
4659 (script_check_output_format): New function.
4660 * script.h (read_input_script): Update declaration.
4661 * script-c.h (script_check_output_format): Declare.
4662 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4663 (ignore_cmd): Remove OUTPUT_FORMAT.
4664 * fileread.cc (Input_file::Input_file): Add explicit this.
4665 (Input_file::will_search_for): New function.
4666 (Input_file::open): Add pindex parameter. Change all callers.
4667 * fileread.h (class Input_file): Add input_file_argument method.
4668 Declare will_search_for. Update declarations.
4669 * object.cc (make_elf_object): Add punconfigured parameter.
4670 Change all callers.
4671 * object.h (class Object): Make input_file public. Add
4672 searched_for method.
4673 (make_elf_object): Update declaration.
4674 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
4675 restart search.
4676 * dirsearch.h (class Dirsearch): Update declaration.
4677 * options.h (class General_options): Add --warn-search-mismatch.
4678 * parameters.cc (Parameters::is_compatible_target): New function.
4679 * parameters.h (class Parameters): Declare is_compatible_target.
4680 * workqueue.cc (Workqueue::add_blocker): New function.
4681 * workqueue.h (class Workqueue): Declare add_blocker.
4682
f1ed28fb
ILT		 4683 * fileread.cc (Input_file::open): Remove options parameter.
4684 Change all callers.
4685 (Input_file::open_binary): Likewise.
4686 * script.cc (read_input_script): Likewise.
4687 * readsyms.h (class Read_symbols): Remove options_ field. Remove
4688 options parameter from constructor. Change all callers.
4689 (class Read_script): Likewise.
4690 * fileread.h (class Input_file): Update declarations.
4691 * script.h (read_input_script): Update declaration.
4692
34dd024a
NC		 46932009-03-10 Nick Clifton <nickc@redhat.com>
4694
4695 * po/es.po: New Spanish translation.
4696
6d71b17c
CC		 46972009-03-06 Cary Coutant <ccoutant@google.com>
4698
4699 * options.cc (parse_short_option): Keep dash_z from registering itself.
4700
031cdbed
ILT		 47012009-03-03 Ian Lance Taylor <iant@google.com>
4702
4703 PR 9918
4704 * target-reloc.h (relocate_section): Pass output_section to
4705 relocate.
4706 * i386.cc (Target_i386::should_apply_static_reloc): Add
4707 output_section parameter. Change all callers.
4708 (Target_i386::Relocate::relocate): Add output_section parameter.
4709 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4710 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4711 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4712 * testsuite/two_file_shared.sh: New script.
4713 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4714 (check_DATA): Add two_file_shared.dbg.
4715 (two_file_shared.dbg): New target.
4716 * testsuite/Makefile.in: Rebuild.
4717
15d5fa16
ILT		 47182009-03-01 Ian Lance Taylor <iant@google.com>
4719
4720 * configure.ac: Check for byteswap.h.
4721 * configure: Rebuild.
4722 * config.in: Rebuild.
4723
8a4c0b0d
ILT		 47242009-03-01 Mikolaj Zalewski <mikolajz@google.com>
4725
4726 * layout.cc (Layout::find_or_add_kept_section): New function.
4727 (Layout::add_comdat): Removed.
4728 * layout.h (struct Kept_section): Move out of class Layout.
4729 Remove trailing underscores from field names. Add group_sections
4730 field. Rename group_ field to is_group. Change all uses.
4731 (class Layout): Declare find_or_add_kept_section, not add_comdat.
4732 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4733 comdat_groups_ field.
4734 (Sized_relobj::include_section_group): Use
4735 find_or_add_kept_section and Kept_section::group_sections.
4736 (Sized_relobj::include_linkonce_section): Likewise.
4737 * object.cc (class Sized_relobj): Don't define Comdat_group or
4738 Comdat_group_table. Remove find_comdat_group and
4739 add_comdat_group. Remove comdat_groups_ field.
4740 * plugin.cc (include_comdat_group): Use
4741 Layout::find_or_add_kept_section.
4742
b4ecf66b
ILT		 47432009-02-28 Ian Lance Taylor <iant@google.com>
4744
14359ca0
ILT		 4745 * README: --gc-sections and map files are now supported. Document
4746 some build requirements.
4747
b4ecf66b
ILT		 4748 PR 6992
4749 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4750 relocatable link set the value of the section symbol to zero.
4751 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4752 relocatable link don't include the section address in the local
4753 symbol value.
4754
0602e05a
ILT		 47552009-02-27 Ian Lance Taylor <iant@google.com>
4756
fd9d194f
ILT		 4757 PR 6811
4758 * options.h (class Search_directory): Add is_system_directory.
4759 (class General_options): Declare is_in_system_directory.
4760 * options.cc (get_relative_sysroot): Make static.
4761 (get_default_sysroot): Make static.
4762 (General_optoins::is_in_system_directory): New function.
4763 * fileread.cc (Input_file::is_in_system_directory): New function.
4764 * fileread.h (class Input_file): Declare is_in_system_directory.
4765 * object.h (class Object): Add is_in_system_directory.
4766 (class Input_objects): Remove system_library_directory_ field.
4767 * object.cc (Input_objects::add_object): Don't set
4768 system_library_directory_.
4769 (input_objects::found_in_system_library_directory): Remove.
4770 * symtab.cc (Symbol_table::write_globals): Remove input_objects
4771 parameter. Change all callers.
4772 (Symbol_table::sized_write_globals): Likewise.
4773 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4774 Call Object::is_in_system_directory.
4775 * symtab.h (class Symbol_table): Update declarations.
4776
61edd21f
ILT		 4777 PR 5990
4778 * descriptors.h (Open_descriptor): Add is_on_stack field.
4779 * descriptors.cc (Descriptors::open): If the descriptor is on the
4780 top of the stack, remove it. Initialize is_on_stack field.
4781 (Descriptors::release): Only add pod to stack if it is not on the
4782 stack already.
4783 (Descriptors::close_some_descriptor): Clear stack_next and
4784 is_on_stack fields.
4785
e29e076a
ILT		 4786 PR 7091
4787 * output.cc (Output_section::find_starting_output_address): Rename
4788 from starting_output_address; add PADDR parameter; change return
4789 type.
4790 * output.h (class Output_section): Declare
4791 find_starting_output_address instead of starting_output_address.
4792 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4793 section symbol for which we can't find a merge section.
4794
0602e05a
ILT		 4795 PR 9836
4796 * symtab.cc (Symbol_table::add_from_object): If the visibility is
4797 hidden or internal, force the symbol to be local.
4798 * resolve.cc (Symbol::override_visibility): Define.
4799 (Symbol::override_base): Use override_visibility.
4800 (Symbol_table::resolve): Likewise.
4801 (Symbol::override_base_with_special): Likewise.
4802 (Symbol_table::override_with_special): If the visibility is hidden
4803 or internal, force the symbol to be local.
4804 * symtab.h (class Symbol): Add set_visibility and
4805 override_visibility.
4806 * testsuite/ver_test_1.sh: New file.
4807 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4808 (check_DATA): Add ver_test_1.syms.
4809 (ver_test_1.syms): New target.
4810 * testsuite/Makefile.in: Rebuild.
4811
401a9a73
CC		 48122009-02-25 Cary Coutant <ccoutant@google.com>
4813
4814 * layout.cc (Layout::choose_output_section): Don't rename sections
4815 when using a linker script that has a SECTIONS clause.
4816 * Makefile.in: Regenerate.
4817
4818 * testsuite/Makefile.am (script_test_5.sh): New test case.
4819 * testsuite/Makefile.in: Regenerate.
4820 * testsuite/script_test_5.cc: New file.
4821 * testsuite/script_test_5.sh: New file.
4822 * testsuite/script_test_5.t: New file.
4823
f488e4b0
CC		 48242009-02-13 Rafael Avila de Espindola <espindola@google.com>
4825
4826 * archive.cc (Archive::include_member): Update calls to add_symbols.
4827 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4828 the Layout argument.
4829 * dynobj.h (do_add_symbols): Add the Layout argument.
4830 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4831 Layout argument.
4832 * object.h (Object::add_symbols): Add the Layout argument.
4833 (Object::do_add_symbols): Add the Layout argument.
4834 (Sized_relobj::do_add_symbols): Add the Layout argument.
4835 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4836 Unify the two versions.
4837 (Add_plugin_symbols): Remove.
4838 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4839 (Sized_pluginobj::do_add_symbols): Unify the two versions.
4840 (Add_plugin_symbols): Remove.
4841 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4842 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4843 (Add_symbols::run): Make it work with Pulginobj.
4844
89dd1680
ILT		 48452009-02-06 Ian Lance Taylor <iant@google.com>
4846
4847 * object.cc (Sized_relobj::do_layout): Make info message start
4848 with lower case letter.
4849
266d0a74
ILT		 48502009-02-06 Mikolaj Zalewski <mikolajz@google.com>
4851
602b464e
ILT		 4852 * binary.cc: Fix file comment.
4853
266d0a74
ILT		 4854 * options.h (enum Incremental_disposition): Define.
4855 (class General_options): Add new options: --incremental,
4856 --incremental_changed, --incremental_unchanged,
4857 --incremental_unknown. Add incremental_disposition_ and
4858 implicit_incremental_ fields.
4859 (General_options::incremental_disposition): New function.
4860 (class Position_dependent_options): Add incremental_disposition
4861 option.
4862 (Position_dependent_options::copy_from_options): Set incremental
4863 dispositions.
4864 * options.cc (General_options::parse_incremental_changed): New
4865 function.
4866 (General_options::parse_incremental_unchanged): New function.
4867 (General_options::parse_incremental_unknown): New function.
4868 (General_options::General_options): Initialize new fields
4869 incremental_disposition_ and implicit_incremental_.
4870 (General_options::finalize): Check for uasge of --incremental-*
4871 without --incremental.
4872
f073bbf7
CD		 48732009-02-06 Chris Demetriou <cgd@google.com>
4874
4875 * gold.h (gold_undefined_symbol): Change to take only a Symbol
4876 pointer and to report location as the file name associated with
4877 the symbol.
4878 (gold_undefined_symbol_at_location): New function to replace the
4879 old gold_undefined_symbol functionality.
4880 * target-reloc.h (relocate_section): Update to use
4881 gold_undefined_symbol_at_location.
4882 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4883 Call gold_undefined_symbol function rather than gold_error.
4884 * errors.h (Errors::undefined_symbol): Take location as a
4885 string, rather than calculating it from a relocation.
4886 * errors.cc (Errors::fatal): Print "fatal error:" before the
4887 formatted message.
4888 (Errors::error, Errors::error_at_location): Print "error: "
4889 before the formatted message.
4890 (Errors::undefined_symbol): Take location as a string, rather
4891 than calculating it from a relocation.
4892 (gold_undefined_symbol_at_location): New function akin to
4893 old gold_undefined_symbol, calculates location from relocation.
4894 (gold_undefined_symbol): Change to take only a Symbol pointer
4895 and to report location as the file name associated with the symbol.
4896 * testsuite/debug_msg.sh: Update for changed error messages.
4897 * testsuite/undef_symbol.sh: Likewise.
4898
8e94a90c
ILT		 48992009-02-04 Duncan Sands <baldrick@free.fr>
4900
4901 PR 9812
4902 * reduced_debug_output.h
4903 (Output_reduced_debug_abbrev_section::failed): Use format for
4904 gold_warning.
4905 (Output_reduced_debug_info_section::faild): Likewise.
4906
88a0e15b
ILT		 49072009-01-31 Mikolaj Zalewski <mikolajz@google.com>
4908
4909 * script.cc (Lazy_demangler): New class.
4910 (Version_script_info::get_symbol_version_helper): Demangle a
4911 symbol only once.
4912
5efc7cd2
CC		 49132009-01-29 Cary Coutant <ccoutant@google.com>
4914
4915 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4916 to __tls_get_addr.
4917 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4918
e0ebcf42
ILT		 49192009-01-28 Ian Lance Taylor <iant@google.com>
4920
5efc7cd2 4921 * version.cc (version_string): Bump to 1.9.
75fe7426 4922
e0ebcf42
ILT		 4923 * gold.h: Include <cstring> and <stdint.h>.
4924 * version.cc: Include <cstdio>.
4925 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4926 warning.
4927 * reduced_debug_output.cc (insert_into_vector): Rename from
4928 Insert_into_vector; change all callers. Use Swap_unaligned to
4929 avoid aliasing issue; remove union since it is unnecessary.
4930
8e2813be 49312009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 4932
4933 * Makefile.am (CCFILES): Add gc.cc.
4934 (HFILES): Add gc.h.
4935 * Makefile.in: Regenerate.
4936 * gold.cc (Gc_runner): New class.
4937 (queue_initial_tasks): Call garbage collection related tasks
4938 when corresponding options are invoked.
4939 (queue_middle_gc_tasks): New function.
4940 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4941 processed early before laying out sections during garbage collection.
4942 * gold.h (queue_middle_gc_tasks): New function.
4943 (is_prefix_of): Move from "layout.cc".
4944 * i386.cc (Target_i386::gc_process_relocs): New function.
4945 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4946 * main.cc (main): Create object of class "Garbage_collection".
4947 * object.cc (Relobj::copy_symbols_data): New function.
4948 (Relobj::is_section_name_included): New function.
4949 (Sized_relobj::do_layout): Allow this function to be called twice
4950 during garbage collection and defer layout of section during the
4951 first call.
4952 * object.h (Relobj::get_symbols_data): New function.
4953 (Relobj::is_section_name_included): New function.
4954 (Relobj::copy_symbols_data): New function.
4955 (Relobj::set_symbols_data): New function.
4956 (Relobj::get_relocs_data): New function.
4957 (Relobj::set_relocs_data): New function.
4958 (Relobj::is_output_section_offset_invalid): New pure virtual function.
4959 (Relobj::gc_process_relocs): New function.
4960 (Relobj::do_gc_process_relocs): New pure virtual function.
4961 (Relobj::sd_): New data member.
4962 (Sized_relobj::is_output_section_offset_invalid): New function.
4963 (Sized_relobj::do_gc_process_relocs): New function.
4964 * options.h (General_options::gc_sections): Modify to not be a no-op.
4965 (General_options::print_gc_sections): New option.
4966 * plugin.cc (Plugin_finish::run): Remove function call to
4967 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
4968 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4969 * reloc.cc (Read_relocs::run): Add task to process relocs and
4970 determine unreferenced sections when doing garbage collection.
4971 (Gc_process_relocs): New class.
4972 (Sized_relobj::do_gc_process_relocs): New function.
4973 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4974 sections that are garbage collected.
4975 * reloc.h (Gc_process_relocs): New class.
4976 * sparc.cc (Target_sparc::gc_process_relocs): New function.
4977 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4978 symbols whose corresponding sections are garbage collected.
4979 (Symbol_table::Symbol_table): Add new parameter for the garbage
4980 collection object.
4981 (Symbol_table::gc_mark_undef_symbols): New function.
4982 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4983 (Symbol_table::gc_mark_dyn_syms): New function.
4984 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4985 as garbage.
4986 (Symbol_table::add_from_object): Likewise.
4987 (Symbol_table::add_from_relobj): When building shared objects, do not
4988 treat externally visible symbols as garbage.
4989 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4990 table information for static and relocatable links.
4991 * symtab.h (Symbol_table::set_gc): New function.
4992 (Symbol_table::gc): New function.
4993 (Symbol_table::gc_mark_undef_symbols): New function.
4994 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4995 (Symbol_table::gc_mark_dyn_syms): New function.
4996 (Symbol_table::gc_): New data member.
4997 * target.h (Sized_target::gc_process_relocs): New pure virtual
4998 function.
4999 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5000 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5001
3b293544
CF		 50022009-01-20 Chris Faylor <me.sourceware@sourceware.org>
5003
5004 * options.h (General_options::gc_sections): Define as a no-op for now.
5005 (General_options::no_keep_memory): Ditto.
5006 (General_options::Bshareable): Define.
5007 * options.cc (General_options::finalize): Honor -Bshareable.
5008
83d22aa8
AS		 50092009-01-20 Andreas Schwab <schwab@suse.de>
5010
5011 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5012 read the value in the contents, since we don't use it. Use the
5013 template endianness when writing.
5014 (Relocate::relocate): Use it for R_PPC_REL16_HA.
5015
cd536b21
AS		 50162009-01-19 Andreas Schwab <schwab@suse.de>
5017
5018 * configure.tgt (powerpc64-*): Fix targ_obj.
5019
99e9a495
ILT		 50202009-01-15 Ian Lance Taylor <iant@google.com>
5021
5022 * object.cc (Sized_relobj::write_local_symbols): Don't write out
5023 local symbols when stripping all symbols.
5024
bbbfea06
CC		 50252009-01-14 Cary Coutant <ccoutant@google.com>
5026
99e9a495 5027 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 5028
0f7c0701
CC		 50292009-01-14 Cary Coutant <ccoutant@google.com>
5030
5031 * archive.cc (Archive::get_elf_object_for_member): Remove call
5032 to File_read::claim_for_plugin.
5033 * descriptors.cc (Descriptors::open): Remove reference to
5034 is_claimed.
5035 (Descriptors::claim_for_plugin): Remove.
5036 * descriptors.h (Descriptors::claim_for_plugin): Remove.
5037 (Descriptors::is_claimed): Remove.
5038 (claim_descriptor_for_plugin): Remove.
5039 * fileread.cc (File_read::claim_for_plugin): Remove.
5040 * fileread.h (File_read::claim_for_plugin): Remove.
5041 (File_read::descriptor): Reopen descriptor if necessary.
5042 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
5043 (Plugin_manager::all_symbols_read): Add task parameter. Change
5044 all callers.
5045 (Plugin_manager::get_input_file): New function.
5046 (Plugin_manager::release_input_file): New function.
5047 (Pluginobj::Pluginobj): Add filesize parameter and initialize
5048 corresponding data member.
5049 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5050 and pass to base constructor. Change all callers.
5051 (get_input_file, release_input_file): New functions.
5052 (make_sized_plugin_object): Add filesize parameter. Change all callers.
5053 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5054 (Plugin_manager::all_symbols_read): Add task parameter.
5055 (Plugin_manager::get_input_file): New function.
5056 (Plugin_manager::release_input_file): New function.
5057 (Plugin_manager::task_): New data member.
5058 (Pluginobj::Pluginobj): Add filesize parameter.
5059 (Pluginobj::filename): New function.
5060 (Pluginobj::descriptor): New function.
5061 (Pluginobj::filesize): New function.
5062 (Pluginobj::filesize_): New data member.
5063 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5064 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5065 File_read::claim_for_plugin; use Object::unlock to unlock the file.
5066
5067 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5068 with archive libraries.
5069 * testsuite/Makefile.in: Regenerate.
5070 * testsuite/plugin_test.c (struct sym_info): New type.
5071 (get_input_file, release_input_file): New static variables.
5072 (onload): Capture new transfer vector entries.
5073 (claim_file_hook): Stop reading at end of file according to filesize.
5074 Factor out parsing of readelf output into separate function.
5075 (all_symbols_read_hook): Exercise get_input_file and release_input_file
5076 APIs and get the source file name from the symbol table. Convert
5077 source file name to corresponding object file name. Print info
5078 message when adding new input files.
5079 (parse_readelf_line): New function.
5080 * testsuite/plugin_test_1.sh: Add checks for new info messages.
5081 * testsuite/plugin_test_2.sh: Likewise.
5082 * testsuite/plugin_test_3.sh: Likewise.
5083 * testsuite/plugin_test_4.sh: New test case.
5084
62a6d109
ILT		 50852009-01-07 Ian Lance Taylor <iant@google.com>
5086
5087 * version.cc (version_string): Bump to 1.8.
5088
483620e8
CC		 50892008-12-23 Cary Coutant <ccoutant@google.com>
5090
5091 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5092 * plugin.cc (Plugin_manager::finish): Rename as
5093 layout_deferred_objects. Move cleanup to separate function.
5094 (Plugin_manager::cleanup): New function.
5095 (Plugin_finish::run): Call layout_deferred_objects and cleanup
5096 separately.
5097 * plugin.h (Plugin_manager::finish): Rename as
5098 layout_deferred_objects.
5099 (Plugin_manager::cleanup): New function.
5100 (Plugin_manager::cleanup_done): New field.
5101
d66a9eb3
CC		 51022008-12-23 Cary Coutant <ccoutant@google.com>
5103
5104 * plugin.cc (is_visible_from_outside): New function.
5105 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5106 so we don't return "IR only" status for exported symbols or -r links.
5107
5108 * testsuite/Makefile.am (plugin_test_3): New test case.
5109 * testsuite/Makefile.in: Regenerate.
5110 * testsuite/plugin_test_3.sh: New file.
5111
5995b570
CC		 51122008-12-22 Cary Coutant <ccoutant@google.com>
5113
5114 * object.cc (Sized_relobj::layout_section): New function.
5115 (Sized_relobj::do_layout): Defer layout of input sections until after
5116 plugin has provided replacement files.
5117 (Sized_relobj::do_layout_deferred_sections): New function.
5118 * object.h (Relobj::set_section_offset): Remove virtual keyword.
5119 (Relobj::layout_deferred_sections): New function.
5120 (Relobj::do_layout_deferred_sections): New function.
5121 (Sized_relobj::do_layout_deferred_sections): New function.
5122 (Sized_relobj::layout_section): New function.
5123 (Sized_relobj::Deferred_layout): New structure.
5124 (Sized_relobj::deferred_layout_): New field.
5125 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5126 Change all callers. Layout deferred sections.
5127 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
5128 references.
5129 (Plugin_hook::run): Move code from do_plugin_hook inline.
5130 (Plugin_hook::do_plugin_hook): Remove.
5131 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5132 (Plugin_manager::finish): Renamed, was cleanup.
5133 (Plugin_manager::should_defer_layout): New function.
5134 (Plugin_manager::add_deferred_layout_object): New function.
5135 (Plugin_manager::Deferred_layout_list): New type.
5136 (Plugin_manager::deferred_layout_objects_): New field.
5137 (Plugin_hook::do_plugin_hook): Remove.
5138
ee769c88
ILT		 51392008-12-17 Ian Lance Taylor <iant@google.com>
5140
5141 * options.h (class General_options): Add --no case for
5142 --export-dynamic.
5143
abc8dcba
CC		 51442008-12-16 Cary Coutant <ccoutant@google.com>
5145
5146 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5147 vector.
5148 (Plugin_manager::claim_file): Create plugin object even if
5149 plugin did not call the add_symbols callback.
5150 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5151 asking for more symbols than were added.
5152 * testsuite/Makefile.am (plugin_test_1): Add test case with
5153 no global symbols.
5154 (empty.syms): New target.
5155 * testsuite/Makefile.in: Regenerate.
5156 * testsuite/plugin_test.c (claim_file_hook): Add new debug
5157 message. Don't call add_symbols if no globals.
5158 (all_symbols_read_hook): Don't provide replacement for empty
5159 claimed file.
5160
b0074644
ILT		 51612008-12-12 Ian Lance Taylor <iant@google.com>
5162
68943102
ILT		 5163 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5164 r_type == 0 for a local symbol with r_sym == 0.
5165 (scan_relocatable_relocs): Pass r_sym to
5166 local_non_section_strategy.
5167 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5168 r_sym parameter.
5169
b0074644
ILT		 5170 * configure.ac: Update test for TLS descriptors: they are
5171 supported as of glibc 2.9.
5172 * configure: Rebuild.
5173
c2508178
ILT		 51742008-12-11 Ian Lance Taylor <iant@google.com>
5175
5176 PR 7091
5177 * target-reloc.h (Default_scan_relocatable_relocs): For each
5178 function, map r_type == 0 to RELOC_DISCARD.
5179
2756a258
CC		 51802008-12-10 Cary Coutant <ccoutant@google.com>
5181
5182 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5183 object to override a kept COMDAT group from a plugin object.
5184
bb6f53d3
ILT		 51852008-12-09 Ian Lance Taylor <iant@google.com>
5186
fbc558e1
ILT		 5187 PR 7088
5188 * yyscript.y (file_cmd): Handle INPUT.
5189
bb6f53d3
ILT		 5190 * testsuite/initpri1.c: Change all declarations to be full
5191 prototypes by adding void, to avoid compiler warnings.
5192
4674ecfc
CC		 51932008-12-05 Rafael Avila de Espindola <espindola@google.com>
5194
5195 * options.cc (General_options::parse_plugin_opt): New.
5196 (General_options::add_plugin): The argument now is just the filename.
5197 (General_options::add_plugin_option): New.
5198 * options.h (plugin_opt): New.
5199 (add_plugin): Change argument name.
5200 (add_plugin_option): New.
5201 * plugin.cc (Plugin::load): Don't parse the plugin option.
5202 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5203 (Plugin::add_option): New.
5204 (Plugin::args_): Change type.
5205 (Plugin::filename_): New.
5206 (Plugin_manager::add_plugin_option): New.
5207 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5208 * testsuite/Makefile.in: Regenerate.
5209
fd06b4aa
CC		 52102008-12-05 Cary Coutant <ccoutant@google.com>
5211
5212 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5213 Handle --strip-lto-sections option.
5214 * options.h (strip_lto_sections): New option.
5215
6c52134c
CC		 52162008-12-01 Cary Coutant <ccoutant@google.com>
5217
5218 * plugin.cc (ld_plugin_message): Change format parameter to const.
5219 Fix mismatch between new[] and delete.
5220
a45248e0
CC		 52212008-11-14 Cary Coutant <ccoutant@google.com>
5222
5223 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5224 instead of -1U.
5225
c82fbeee
CS		 52262008-11-05 Craig Silverstein <csilvers@google.com>
5227
5228 * options.cc (General_options::parse_dynamic_list): New function.
5229 * options.h (General_options): New flags dynamic_list,
5230 dynamic_list_data, dynamic_list_cpp_new, and
5231 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
5232 (General_options::in_dynamic_list): New function.
5233 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5234 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5235 (Lex::can_continue_name): Likewise.
5236 (yylex): Likewise.
5237 (read_script_file): New parameter script_options.
5238 (read_dynamic_list): New function.
5239 (Script_options::define_dynamic_list): New function.
5240 (dynamic_list_keyword_parsecodes): New variable.
5241 (dynamic_list_keywords): New variable.
5242 * script.h (Script_options::define_dynamic_list): New function
5243 prototype.
5244 (read_dynamic_list): New function prototype.
5245 * symtab.cc (strprefix): New macro.
5246 (Symbol::should_add_dynsym_entry): Support dynamic_list,
5247 dynamic_list_data, dynamic_list_cpp_new, and
5248 dynamic_list_cpp_typeinfo.
5249 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5250 (dynamic_list_expr): New rule.
5251 (dynamic_list_nodes): Likewise.
5252 (dynamic_list_node): Likewise.
5253 * testsuite/Makefile.am (dynamic_list): New test.
5254 * testsuite/Makefile.in: Regenerated.
5255 * testsuite/dynamic_list.t: New file.
5256 * testsuite/dynamic_list.sh: New file.
5257
e0bb29a5
CS		 52582008-11-05 Craig Silverstein <csilvers@google.com>
5259
5260 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5261 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5262 (t11_last): Likewise.
5263 * testsuite/ver_test_6.c (main): Likewise.
5264
4e1e25e0
CC		 52652008-10-07 Cary Coutant <ccoutant@google.com>
5266
5267 * options.c (General_options::finalize): Add check for -static and
5268 -shared.
5269 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5270 is not empty.
5271
92f03fcb
CC		 52722008-10-02 Cary Coutant <ccoutant@google.com>
5273
5274 * plugin.cc (make_sized_plugin_object): Fix conditional
5275 compilation to work when not all targets are enabled.
5276
fbd8a257
CC		 52772008-09-29 Cary Coutant <ccoutant@google.com>
5278
5279 * archive.cc (Archive::get_file_and_offset): Use filename instead
5280 of name to get library path.
5281 (Archive::include_member): Unlock external member of a thin archive.
5282
5283 * testsuite/Makefile.am (TEST_AR): New variable.
5284 (thin_archive_test_1): New test.
5285 (thin_archive_test_2): New test.
81636b3f
CC		 5286 * testsuite/Makefile.in: Regenerate.
5287 * testsuite/thin_archive_main.cc: New file.
5288 * testsuite/thin_archive_test_1.cc: New file.
5289 * testsuite/thin_archive_test_2.cc: New file.
5290 * testsuite/thin_archive_test_3.cc: New file.
5291 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 5292
eff45813
CC		 52932008-09-29 Cary Coutant <ccoutant@google.com>
5294
5295 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5296 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5297 instead of -1U.
5298 (Sized_relobj::do_finalize_local_symbols): Likewise.
5299 (Sized_relobj::map_to_kept_section): Likewise.
5300 * object.h (Sized_relobj::invalid_address): New constant.
5301 (Sized_relobj::do_output_section_offset): Check for invalid_address
5302 and return -1ULL.
5303 * output.cc (Output_reloc::local_section_offset): Use constant
5304 invalid_address instead of -1U.
5305 (Output_reloc::get_address): Likewise.
5306 (Output_section::output_address): Change -1U to -1ULL.
5307 * output.h (Output_reloc::invalid_address): New constant.
5308 * reloc.cc (Sized_relobj::write_sections): Use constant
5309 invalid_address instead of -1U.
5310 (Sized_relobj::relocate_sections): Likewise.
5311 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5312 values for merge sections.
5313 * target-reloc.h (relocate_for_relocatable): Use constant
5314 invalid_address instead of -1U.
5315
89fc3421
CC		 53162008-09-19 Cary Coutant <ccoutant@google.com>
5317
5318 Add plugin functionality for link-time optimization (LTO).
5319 * configure.ac (plugins): Add --enable-plugins option.
5320 * configure: Regenerate.
5321 * config.in: Regenerate.
5322 * Makefile.am (LIBDL): New variable.
5323 (CCFILES): Add plugin.cc.
5324 (HFILES): Add plugin.h.
5325 (ldadd_var): Add LIBDL.
5326 * Makefile.in: Regenerate.
5327
5328 * archive.cc: Include "plugin.h".
5329 (Archive::setup): Don't preread archive symbols when using a plugin.
5330 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
5331 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5332 files.
5333 (Archive::include_member): Add symbols from plugin objects.
5334 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5335 * descriptors.cc (Descriptors::open): Check for file descriptors
5336 abandoned by plugins.
5337 (Descriptors::claim_for_plugin): New function.
5338 * descriptors.h (Descriptors::claim_for_plugin): New function.
5339 (Open_descriptor::is_claimed): New field.
5340 (claim_descriptor_for_plugin): New function.
5341 * fileread.cc (File_read::claim_for_plugin): New function.
5342 * fileread.h (File_read::claim_for_plugin): New function.
5343 (File_read::descriptor): New function.
5344 * gold.cc: Include "plugin.h".
5345 (queue_initial_tasks): Add task to call plugin hooks for generating
5346 new object files.
5347 * main.cc: Include "plugin.h".
5348 (main): Load plugin libraries.
5349 * object.h (Pluginobj): Declare.
5350 (Object::pluginobj): New function.
5351 (Object::do_pluginobj): New function.
5352 (Object::set_target): New function.
5353 * options.cc: Include "plugin.h".
5354 (General_options::parse_plugin): New function.
5355 (General_options::General_options): Initialize plugins_ field.
5356 (General_options::add_plugin): New function.
5357 * options.h (Plugin_manager): Declare.
5358 (General_options): Add --plugin option.
5359 (General_options::has_plugins): New function.
5360 (General_options::plugins): New function.
5361 (General_options::add_plugin): New function.
5362 (General_options::plugins_): New field.
5363 * plugin.cc: New file.
5364 * plugin.h: New file.
5365 * readsyms.cc: Include "plugin.h".
5366 (Read_symbols::do_read_symbols): Check for archive before checking
5367 for ELF file. Call plugin hooks to claim files.
5368 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5369 from a real object file; force override when processing replacement
5370 files.
5371 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5372 (Symbol::init_base_object): Likewise.
5373 (Symbol::init_base_output_data): Likewise.
5374 (Symbol::init_base_output_segment): Likewise.
5375 (Symbol::init_base_constant): Likewise.
5376 (Symbol::init_base_undefined): Likewise.
5377 (Symbol::output_section): Assert that object is not a plugin.
5378 (Symbol_table::add_from_pluginobj): New function.
5379 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5380 undefined.
5381 (Symbol_table::sized_write_globals): Likewise.
5382 (Symbol_table::add_from_pluginobj): Instantiate template.
5383 * symtab.h (Sized_pluginobj): Declare.
5384 (Symbol::in_real_elf): New function.
5385 (Symbol::set_in_real_elf): New function.
5386 (Symbol::in_real_elf_): New field.
5387 (Symbol_table::add_from_pluginobj): New function.
5388
5389 * testsuite/Makefile.am (AM_CFLAGS): New variable.
5390 (LIBDL): New variable.
5391 (LDADD): Add LIBDL.
5392 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5393 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5394 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5395 (MOSTLYCLEANFILES): Likewise.
5396 * testsuite/Makefile.in: Regenerate.
5397 * testsuite/plugin_test.c: New file.
5398 * testsuite/plugin_test_1.sh: New file.
5399 * testsuite/plugin_test_2.sh: New file.
5400
de31bda5
ILT		 54012008-09-16 Ian Lance Taylor <iant@google.com>
5402
9c2d0ef9
ILT		 5403 * target-reloc.h (relocate_section): Check whether a symbol is
5404 defined by the ABI before reporting an undefined symbol error.
5405 * target.h (Target::is_defined_by_abi): Make parameter const.
5406 (Target::do_is_defined_by_abi): Likewise.
5407 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5408 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5409 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5410 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5411 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5412 * testsuite/Makefile.in: Rebuild.
5413
de31bda5
ILT		 5414 * fileread.cc (make_view): Add casts to avoid warning.
5415
9fa33bee
AO		 54162008-09-16 Alexandre Oliva <aoliva@redhat.com>
5417
5418 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5419 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5420
183fd0e3
AO		 54212008-09-16 Alexandre Oliva <aoliva@redhat.com>
5422
5423 * options.h (General_options::output_is_executable): New.
5424 (General_options::output_is_pie): New.
5425 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5426 for shared libraries.
5427 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5428
7be8330a
CD		 54292008-09-11 Chris Demetriou <cgd@google.com>
5430
5431 * options.h (origin): New -z option.
5432 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5433 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5434 in DT_FLAGS_1.
5435
a9caad02
CC		 54362008-09-05 Cary Coutant <ccoutant@google.com>
5437
5438 * fileread.cc (File_read::make_view): Add check for attempt to map
5439 beyond end of file.
5440
ae6dce4d
CC		 54412008-09-05 Cary Coutant <ccoutant@google.com>
5442
5443 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5444 explicit instantiations.
5445
d7ab2a47
KVH		 54462008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
5447
5448 PR gold/6858
5449 * options.cc (General_options::finalize): Allow undefined symbols
5450 in shlibs if linking -shared.
5451
5452 PR gold/6859
5453 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5454 symbols as not needing a dynsym entry.
5455
1e52a9c1
CS		 54562008-08-20 Craig Silverstein <csilvers@google.com>
5457
5458 * fileread.cc (File_read::open): Do not lock the file unless it
5459 was successfully opened.
5460
d85c80a3
CC		 54612008-08-14 Cary Coutant <ccoutant@google.com>
5462
5463 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5464 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5465 * testsuite/tls_test.cc (struct int128): 128-bit struct
5466 for testing TLS relocs with non-zero addend.
5467 (v12): New TLS variable.
5468 (t12): New test.
5469 (t_last): Add check for v12.
5470 * testsuite/tls_test.h (t12): New function.
5471 * testsuite/tls_test_main.cc (thread_routine): Call new test.
5472
2d924fd9
ILT		 54732008-08-13 Ian Lance Taylor <iant@google.com>
5474
5475 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5476 set tls_segment_ or relro_segment_.
5477 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5478 when appropriate.
5479 * output.h (Output_section::clear_is_relro): New function.
5480 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5481 sections specially even when output_data_ is empty.
5482 (Output_segment::maximum_alignment): When first section is relro,
5483 only force alignment for PT_LOAD segments.
5484 * script.cc (script_data_segment_align): New function.
5485 (script_data_segment_relro_end): New function.
5486 * script-c.h (script_data_segment_align): Declare.
5487 (script_data_segment_relro_end): Declare.
5488 * script-sections.h (class Script_sections): Declare
5489 data_segment_align and data_segment_relro_end. Add fields
5490 segment_align_index_ and saw_relro_end_.
5491 * script-sections.cc (class Sections_element): Add set_is_relro
5492 virtual function. Add new bool* parameter to place_orphan_here.
5493 Add get_output_section virtual function.
5494 (class Output_section_definition): Add set_is_relro. Add new
5495 bool* parameter to place_orphan_here. Add get_output_section.
5496 Add is_relro_ field.
5497 (Output_section_definition::Output_section_definition): Initialize
5498 evaluated_address_, evaluated_load_address, evaluated_addralign_,
5499 and is_relro_ fields.
5500 (Output_section_definition::place_orphan_here): Add is_relro
5501 parameter.
5502 (Output_section_definition::set_section_addresses): Set relro for
5503 output section.
5504 (Output_section_definition::alternate_constraint): Likewise.
5505 (class Orphan_output_section): Add new bool* parameter to
5506 place_orphan_here. Add get_output_section.
5507 (Orphan_output_section::place_orphan_here): Add is_relro
5508 parameter.
5509 (Script_sections::Script_sections): Initialize
5510 data_segment_align_index_ and saw_relro_end_.
5511 (Script_sections::data_segment_align): New function.
5512 (Script_sections::data_segment_relro_end): New function.
5513 (Script_sections::place_orphan): Set or clear is_relro.
5514 (Script_sections::set_section_addresses): Force alignment of first
5515 TLS section.
5516 * yyscript.y (exp): Call script_data_segment_align and
5517 script_data_segment_relro_end.
5518 * testsuite/relro_script_test.t: New file.
5519 * testsuite/relro_test.cc (using_script): Declare.
5520 (t1, t2): Test using_script.
5521 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5522 (relro_script_test_SOURCES): Define.
5523 (relro_script_test_DEPENDENCIES): Define.
5524 (relro_script_test_LDFLAGS): Define.
5525 (relro_script_test_LDADD): Define.
5526 (relro_script_test.so): New target.
5527 * testsuite/Makefile.in: Rebuild.
5528
f827c9a9
CC		 55292008-08-06 Cary Coutant <ccoutant@google.com>
5530
5531 * archive.cc (Archive::total_archives, Archive::total_members)
5532 (Archive::total_members_loaded): New variables.
5533 (Archive::setup): Add parameter. Add option to preread
5534 archive symbols.
5535 (Archive::read_armap): Add counter.
5536 (Archive::get_file_and_offset): New function.
5537 (Archive::get_elf_object_for_member): New function.
5538 (Archive::read_all_symbols): New function.
5539 (Archive::read_symbols): New function.
5540 (Archive::add_symbols): Add counters.
5541 (Archive::include_all_members): Use armap to find members if it's
5542 already built.
5543 (Archive::include_member): Skip reading symbols if already read.
5544 Factored code into Archive::get_file_and_offset and
5545 Archive::get_elf_object_for_member. Changed call to
5546 Mapfile::report_include_archive_member.
5547 (Archive::print_stats): New function.
5548 * archive.h: Declare Object and Read_symbols_data classes.
5549 (Archive::Archive): Add initializers for new members.
5550 (Archive::setup): Add parameter.
5551 (Archive::print_stats): New function.
5552 (Archive::total_archives, Archive::total_members)
5553 (Archive::total_members_loaded): New variables.
5554 (Archive::get_file_and_offset): New function.
5555 (Archive::get_elf_object_for_member): New function.
5556 (Archive::read_all_symbols): New function.
5557 (Archive::read_symbols): New function.
5558 (Archive::Archive_member): New class.
5559 (Archive::members_): New member.
5560 (Archive::num_members_): New member.
5561 * main.cc: Include archive.h.
5562 (main): Call Archive::print_stats.
5563 * mapfile.cc (Mapfile::report_include_archive_member): Delete
5564 archive parameter; member_name is now the fully-decorated name.
5565 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5566 * options.h: (General_options): Add --preread-archive-symbols option.
5567 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5568 Archive::setup.
5569
de4c45bd
ILT		 55702008-08-04 Ian Lance Taylor <iant@google.com>
5571
5572 * symtab.h (Symbol::use_plt_offset): New function.
5573 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5574 * powerpc.cc (Relocate::relocate): Likewise.
5575 * sparc.cc (Relocate::relocate): Likewise.
5576 * x86_64.cc (Relocate::relocate): Likewise.
5577 * testsuite/weak_plt.sh: New test.
5578 * testsuite/weak_plt_main.cc: New test.
5579 * testsuite/weak_plt_shared.cc: New test.
5580 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5581 (check_PROGRAMS): Add weak_plt.
5582 (check_DATA): Add weak_plt_shared.so.
5583 (weak_plt_main_pic.o, weak_plt): New targets.
5584 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5585 * testsuite/Makefile.in: Rebuild.
5586
5587 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5588 gcctestdir/ld.
5589 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5590 * testsuite/Makefile.in: Rebuild.
5591
323ee3f4
AM		 55922008-08-04 Alan Modra <amodra@bigpond.net.au>
5593
5594 * Makefile.am (POTFILES.in): Set LC_ALL=C.
5595 * Makefile.in: Regenerate.
5596 * po/POTFILES.in: Regenerate.
5597
7c07ecec
ILT		 55982008-07-29 Ian Lance Taylor <iant@google.com>
5599
5600 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5601 symbols before other symbols.
5602 * testsuite/script_test_2.cc (test_addr): Declare.
5603 (test_addr_alias): Declare.
5604 (main): Check that test_addr and test_addr_alias have the right
cd536b21 5605 values.
7c07ecec
ILT		 5606 * testsuite/script_test_2.t: Define test_addr_alias and
5607 test_addr.
5608
5778530e
ILT		 56092008-07-24 Ian Lance Taylor <iant@google.com>
5610
2a00e4fb
ILT		 5611 PR 5990
5612 * descriptors.cc: New file.
5613 * descriptors.h: New file.
5614 * gold-threads.h (class Hold_optional_lock): New class.
5615 * fileread.cc: Include "descriptors.h".
5616 (File_read::~File_read): Release descriptor rather than closing
5617 it.
5618 (File_read::open) [file]: Call open_descriptor rather than open.
5619 Set is_descriptor_opened_.
5620 (File_read::open) [memory]: Assert that descriptor is not open.
5621 (File_read::reopen_descriptor): New function.
5622 (File_read::release): Release descriptor.
5623 (File_read::do_read): Make non-const. Reopen descriptor.
5624 (File_read::read): Make non-const.
5625 (File_read::make_view): Reopen descriptor.
5626 (File_read::do_readv): Likewise.
5627 * fileread.h (class File_read): Add is_descriptor_opened_ field.
5628 Update declarations.
5629 * layout.cc: Include "descriptors.h".
5630 (Layout::create_build_id): Use open_descriptor rather than open.
5631 * output.cc: Include "descriptors.h".
5632 (Output_file::open): Use open_descriptor rather than open.
5633 * archive.cc (Archive::const_iterator): Change Archive to be
5634 non-const.
5635 (Archive::begin, Archive::end): Make non-const.
5636 (Archive::count_members): Likewise.
5637 * archive.h (class Archive): Update declarations.
5638 * object.h (Object::read): Make non-const.
5639 * Makefile.am (CCFILES): Add descriptors.cc.
5640 (HFILES): Add descriptors.h.
5641 * Makefile.in: Rebuild.
5642
801647d1
ILT		 5643 PR 6716
5644 * gold.h: Always include <clocale>. Add Solaris workarounds
5645 following code in binutils/sysdep.h.
5646
5edd166e
ILT		 5647 PR 6048
5648 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5649 this->eh_frame_hdr_ is NULL before using it.
5650
c89ad728
ILT		 5651 * dynobj.cc (Versions::Versions): Update comment.
5652
aa86f06b
ILT		 5653 * dynobj.cc (Versions::Versions): If there is an soname, use it as
5654 the base version name.
5655
5778530e
ILT		 5656 * stringpool.cc (Stringpool_template::add_with_length): Set key to
5657 array size plus one.
5658 (Stringpool_template::set_string_offsets): Subtract one from key
5659 before using it as an array index.
5660 (Stringpool_template::get_offset_with_length): Likewise.
5661 (Stringpool_template::write_to_buffer): Likewise.
5662 * stringpool.h (Stringpool_template::get_offset_from_key):
5663 Likewise.
5664
057ead22
ILT		 56652008-07-23 Ian Lance Taylor <iant@google.com>
5666
7f649c59
ILT		 5667 PR 6658
5668 * object.h (Merged_symbol_value::value): Do our best to handle a
5669 negative addend.
5670
057ead22
ILT		 5671 PR 6647
5672 * script.cc (Version_script_info::get_versions): Don't add empty
5673 version tag to return value.
5674 (Version_script_info::get_symbol_version_helper): Change return
5675 type to bool. Add pversion parameter. Change all callers.
5676 (script_register_vers_node): Don't require a non-NULL tag.
5677 * script.h (class Version_script_info): Update declarations.
5678 (Version_script_info::get_symbol_version): Change return type to
5679 bool. Add version parameter. Change all callers.
5680 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5681 handling. Handle an empty version from a version script.
5682 (Symbol_table::define_special_symbol): Likewise.
5683 * testsuite/ver_test_10.script: New file.
5684 * testsuite/ver_test_10.sh: New file.
5685 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5686 (check_DATA): Add ver_test_10.syms.
5687 (ver_test_10.syms, ver_test_10.so): New target.
5688 * testsuite/Makefile.in: Rebuild.
5689
58e54ac2
CD		 56902008-07-23 Simon Baldwin <simonb@google.com>
5691
5692 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5693 to zero for undefined symbols from dynamic libraries.
5694
95d14cd3
ILT		 56952008-07-23 Ian Lance Taylor <iant@google.com>
5696
5697 * symtab.cc (Symbol_table::resolve): Remove version parameter.
5698 Change all callers.
5699 * symtab.h (class Symbol_table): Update declaration.
5700 * testsuite/ver_test_9.cc: New file.
5701 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5702 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5703 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5704 (ver_test_9.so, ver_test_9.o): New targets.
5705 * testsuite/Makefile.in: Rebuild.
5706
92de84a6
ILT		 57072008-07-22 Ian Lance Taylor <iant@google.com>
5708
34810851
ILT		 5709 * options.h (class General_options): Define --check-sections.
5710 * layout.cc (Layout::set_segment_offsets): Handle
5711 --check-sections.
5712
af6156ef
ILT		 5713 * options.h (class General_options): Define -n/--nmagic and
5714 -N/--omagic.
5715 * options.cc (General_options::finalize): For -n/--nmagic or
5716 -N/--omagic, set -static.
5717 * layout.cc (Layout::attach_allocated_section_to_segment): If
5718 -N/--omagic, don't put read-only and read-write sections in
5719 different segments.
5720 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5721 finding a read-only segment.
5722 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5723 don't set the minimum segment alignment to the common page size,
5724 and don't set the file offset to the address modulo the page size.
5725 * script-sections.cc (Script_sections::create_segments): If
5726 -n/--omagic, don't put read-only and read-write sections in
5727 different segments.
5728
92de84a6
ILT		 5729 * cref.cc: New file.
5730 * cref.h: New file.
5731 * options.h (class General_options): Add --print-symbol-counts.
5732 * main.cc (main): Issue defined symbol report if requested.
5733 * archive.cc (Archive::interpret_header): Make into a const member
5734 function.
5735 (Archive::add_symbols): Call Input_objects::archive_start and
5736 archive_stop.
5737 (Archive::const_iterator): Define new class.
5738 (Archive::begin, Archive::end): New functions.
5739 (Archive::include_all_members): Rewrite to use iterator.
5740 (Archive::count_members): New function.
5741 * archive.h (class Archive): Update declarations.
5742 (Archive::filename): New function.
5743 * object.cc: Include "cref.h".
5744 (Sized_relobj::Sized_relobj): Initialize defined_count_.
5745 (Sized_relobj::do_get_global_symbol_counts): New function.
5746 (Input_objects::add_object): Add object to cross-referencer.
5747 (Input_objects::archive_start): New function.
5748 (Input_objects::archive_stop): New function.
5749 (Input_objects::print_symbol_counts): New function.
5750 * object.h: Declare Cref and Archive.
5751 (Object::get_global_symbol_counts): New function.
5752 (Object::do_get_global_symbol_counts): New pure virtual function.
5753 (class Sized_relobj): Add defined_count_ field. Update
5754 declarations.
5755 (class Input_objects): Add cref_ field. Update constructor.
5756 Update declarations.
5757 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5758 defined_count_.
5759 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5760 symbol counts.
5761 (Sized_dynobj::do_get_global_symbol_counts): New function.
5762 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5763 defined_count_. Update declarations. Define Symbols typedef.
5764 * symtab.cc (Symbol_table::add_from_relobj): Add defined
5765 parameter. Change all callers.
5766 (Symbol_table::add_from_dynobj): Add sympointers and defined
5767 parameters. Change all callers.
5768 * symtab.h (class Symbol_table): Update declarations.
5769 * Makefile.am (CCFILES): Add cref.cc.
5770 (HFILES): Add cref.h.
5771 * Makefile.in: Rebuild.
5772
3f7c5e1d
CD		 57732008-07-22 Simon Baldwin <simonb@google.com>
5774
5775 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5776 to zero when writing undefined symbols.
5777
e0b64032
ILT		 57782008-07-22 Ian Lance Taylor <iant@google.com>
5779
5780 * output.cc (Output_section::add_input_section): Don't try to
5781 merge empty merge sections.
5782
096b02cf
CS		 57832008-07-21 Craig Silverstein <csilvers@google.com>
5784
5785 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5786 Include symbol version in error message.
cd536b21 5787
1d1f116d
CD		 57882008-07-20 Chris Demetriou <cgd@google.com>
5789
cd536b21 5790 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 5791 (RANDOM_SEED_CFLAGS): New substituted variable.
5792 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5793 * configure: Rebuild.
5794 * Makefile.in: Likewise.
5795 * testsuite/Makefile.in: Likewise.
5796
a18f591e
ILT		 57972008-07-18 Ian Lance Taylor <iant@google.com>
5798
5799 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5800 where we see NAME/NULL and NAME/VERSION as separate symbols.
5801 * testsuite/ver_test_main.cc (main): Call t4.
5802 (t4, t4_2a): Define.
5803 * testsuite/ver_test_2.cc (t4_2): Define.
5804 * testsuite/ver_test_2.script: Put t4_2a in VER2.
5805 * testsuite/ver_test_4.cc (t4_2a): Define.
5806 * testsuite/ver_test_4.script: Put t4_2a in VER2.
5807 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5808
c6e3f6ed
ILT		 58092008-07-17 Ian Lance Taylor <iant@google.com>
5810
5811 * dynobj.cc (Versions::add_def): If we give an error about a
5812 missing version, go ahead and create the version anyhow.
5813
ef9beddf
ILT		 58142008-07-10 Ian Lance Taylor <iant@google.com>
5815
5816 Handle output sections with more than 0x7fffffff bytes.
5817 * object.h (class Relobj): Change map_to_output_ to
5818 output_sections_, and just keep a section pointer. Change all
5819 uses. Move comdat group support to Sized_relobj.
5820 (Relobj::is_section_specially_mapped): Remove.
5821 (Relobj::output_section): Remove poff parameter. Change all
5822 callers.
5823 (Relobj::output_section_offset): New function.
5824 (Relobj::set_section_offset): Rewrite.
5825 (Relobj::map_to_output): Remove.
5826 (Relobj::output_sections): New function.
5827 (Relobj::do_output_section_offset): New pure virtual function.
5828 (Relobj::do_set_section_offset): Likewise.
5829 (class Sized_relobj): Add section_offsets_ field. Add comdat
5830 group support from Relobj. Update declarations.
5831 (Sized_relobj::get_output_section_offset): New function.
5832 (Sized_relobj::do_output_section_offset): New function.
5833 (Sized_relobj::do_set_section_offset): New function.
5834 * object.cc (Relobj::output_section_address): Remove.
5835 (Sized_relobj::Sized_relobj): Initialize new fields.
5836 (Sized_relobj::include_section_group): Cast find_kept_object to
5837 Sized_relobj.
5838 (Sized_relobj::include_linkonce_section): Likewise.
5839 (Sized_relobj::do_layout): Use separate arrays for output section
5840 and output offset.
5841 (Sized_relobj::do_count_local_symbols): Change map_to_output to
5842 output_sections.
5843 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5844 output_sections and section_offsets.
5845 (Sized_relobj::write_local_symbols): Likewise.
5846 (map_to_kept_section): Compute output address directly.
5847 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5848 output_sections and section_offsets.
5849 (Sized_relobj::write_sections): Likewise.
5850 (Sized_relobj::relocate_sections): Likewise.
5851 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5852 * output.h (class Output_reloc): Update declarations. Change
5853 u2_.relobj to Sized_relobj*.
5854 (class Output_data_reloc): Change add functions to use
5855 Sized_relobj*.
5856 * output.cc (Output_reloc::Output_reloc): Change relobj to
5857 Sized_relobj*.
5858 (Output_reloc::local_section_offset): Change return type to
5859 Elf_Addr. Use get_output_section_offset.
5860 (Output_reloc::get_address): Likewise.
5861 (Output_section::is_input_address_mapped): Don't call
5862 is_section_specially_mapped.
5863 (Output_section::output_offset): Likewise.
5864 (Output_section::output_address): Likewise.
5865 (Output_section::starting_output_address): Likewise.
5866 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5867 parameter to Sized_relobj*.
5868 (Copy_relocs::need_copy_reloc): Likewise.
5869 (Copy_relocs::save): Likewise.
5870 * copy-relocs.h (class Copy_relocs): Update declarations.
5871 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5872 Sized_relobj*. Change relobj_ field to Sized_relobj*.
5873 * target-reloc.h (relocate_for_relocatable): Change
5874 offset_in_output_section type to Elf_Addr. Change code that uses
5875 it as well.
5876 * layout.cc (Layout::layout): Always set *off.
5877 * mapfile.cc (Mapfile::print_input_section): Use
5878 output_section_offset.
5879 * i386.cc (Target_i386::copy_reloc): Change object parameter to
5880 Sized_relobj*.
5881 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5882 * sparc.cc (Target_sparc::copy_reloc): Likewise.
5883 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5884
5cb66f97
ILT		 58852008-07-03 Ian Lance Taylor <iant@google.com>
5886
5887 * layout.cc (Layout::include_section): Do not discard unrecognized
5888 SHT_STRTAB sections.
5889
afe47622
CS		 58902008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
5891
5892 * script.cc (Lex::can_continue_name): Make '?' allowable in
5893 version-script names.
5894 * testsuite/version_script.map: Change glob pattern to use '?'
5895
5adf9721
ILT		 58962008-06-30 Manish Singh <yosh@gimp.org>
5897
5898 PR 6585
5899 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5900 Correct typo.
5901
e6fde208
ILT		 59022008-06-30 Ian Lance Taylor <iant@google.com>
5903
5904 PR 6660
5905 PR 6682
5906 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5907 versions]: Don't try to read the value in the contents, since we
5908 don't use it. Use the template endianness when writing.
5909
3f2e6a2d
CC		 59102008-06-25 Cary Coutant <ccoutant@google.com>
5911
5912 * fileread.cc (File_read::make_view): Assert on zero-length view.
5913 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5914 symbol table when there are no symbols to read.
5915
c43d3a48
CS		 59162008-06-23 Craig Silverstein <csilvers@google.com>
5917
5918 * version.cc (version_string): Bump to 1.7
5919
5f494ea0
CS		 59202008-06-18 Craig Silverstein <csilvers@google.com>
5921
5922 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5923 constant 0xFFFF to type Valtype.
5924 (Powerpc_relocate_functions::rel16_ha): Likewise.
5925
c42e122e
ILT		 59262008-06-17 Ian Lance Taylor <iant@google.com>
5927
f34787f8
ILT		 5928 * output.h (Output_section::Input_section): Initialize p2align_ to
5929 zero for Output_section_data constructors.
5930 (Output_section::Input_section::addralign): If not an input
5931 section, return the alignment of the Output_section_data.
5932 * testsuite/copy_test.cc: New file.
5933 * testsuite/copy_test_1.cc: New file.
5934 * testsuite/copy_test_2.cc: New file.
5935 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5936 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5937 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5938 (copy_test_1_pic.o, copy_test_1.so): New targets.
5939 (copy_test_2_pic.o, copy_test_2.so): New targets.
5940 * testsuite/Makefile.in: Rebuild.
5941
c42e122e
ILT		 5942 * script-sections.cc (Script_sections::place_orphan): Initialize
5943 local variable exact.
5944
ce3ac18a
DE		 59452008-06-13 David Edelsohn <edelsohn@gnu.org>
5946
5947 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5948
42cacb20
DE		 59492008-06-12 David Edelsohn <edelsohn@gnu.org>
5950 David S. Miller <davem@davemloft.net>
5951
5952 * powerpc.cc: New file.
5953 * Makefile.am (TARGETSOURCES): Add powerpc.cc
5954 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5955 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5956 * Makefile.in: Rebuild.
5957
7b308235
ILT		 59582008-06-09 Ian Lance Taylor <iant@google.com>
5959
5960 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5961 <exception>.
5962 (throwing, orig_terminate): New static variables.
5963 (terminate_handler): New static function.
5964 (t2): Set terminate handler.
5965
f0b886e3
ILT		 59662008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
5967
5968 PR 6584
cd536b21 5969 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 5970 alignment.
5971
3e90f135
CC		 59722008-05-30 Cary Coutant <ccoutant@google.com>
5973
5974 * archive.cc (Archive::include_all_members) Correct to step
5975 over symbol table and extended name table in thin archives.
5976
e09ad04a
ILT		 59772008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
5978
5979 PR 6407
5980 * target-reloc.h (relocate_for_relocatable): Fix new_offset
5981 calculation.
5982
62b01cb5
ILT		 59832008-05-28 Caleb Howe <cshowe@google.com>
5984
5985 * reduced_debug_output.cc: New file.
5986 * reduced_debug_output.h: New file.
92de84a6 5987 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 5988 * options.cc (General_options::finalize): Add strip_debug_non_line
5989 to the strip heirarchy.
5990 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5991 fields.
5992 * layout.cc: Include "reduced_debug_output.h".
5993 (Layout::Layout): Initialize new fields.
5994 (line_only_debug_sections): New static array.
5995 (is_lines_only_debug_sections): New static inline function.
5996 (Layout::include_section): Handle --strip-debug-non-line.
5997 (Layout::make_output_section): If --strip-debug-non-line, build
5998 new output sections for .debug_abbrev and .debug_info.
5999 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6000 gold. Warn about possible overflow.
6001 (read_signed_LEB_128): Likewise.
6002 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6003 (read_signed_LEB_128): Declare.
6004 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6005 (HFILES): Add reduced_debug_output.h.
6006 * Makefile.in: Rebuild.
6007
7d9e3d98
ILT		 60082008-05-21 Ian Lance Taylor <iant@google.com>
6009
6010 * mapfile.cc: New file.
6011 * mapfile.h: New file.
6012 * options.h (class General_options): Add -M/--print-map and -Map.
6013 * options.cc (General_options::finalize): Make -M equivalent to
6014 -Map -.
6015 * main.cc: Include <cstdio> and "mapfile.h".
6016 (main): Open mapfile if requested.
6017 * gold.cc (class Middle_runner): Add mapfile_ field. Update
6018 constructor. Change caller.
6019 (queue_initial_tasks): Add mapfile parameter. Change caller.
6020 (queue_middle_tasks): Likewise.
6021 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6022 declarations.
6023 * archive.cc: Include "mapfile.h".
6024 (Archive::add_symbols): Add mapfile parameter. Change all
6025 callers. Pass mapfile, symbol, and reason to include_member.
6026 (Archive::include_all_members): Add mapfile parameter. Change all
6027 callers.
6028 (Archive::include_member): Add mapfile, sym, and why parameters.
6029 Change all callers. Report inclusion to map file.
6030 * archive.h: Include "fileread.h".
6031 (class Archive): Update declarations.
6032 (Archive::file): New const method.
6033 (class Add_archive_symbols): Add mapfile_ field. Update
6034 constructor. Change all callers.
6035 * readsyms.h (class Read_symbols): Likewise.
6036 (class Finish_group): Likewise.
6037 (class Read_script): Likewise.
6038 * common.cc: Include "mapfile.h".
6039 (Symbol_table::allocate_commons): Add mapfile parameter. Change
6040 all callers.
6041 (Symbol_table::do_allocate_commons): Likewise.
6042 (Symbol_table::do_allocate_commons_list): Likewise. Report common
6043 symbol allocation to mapfile.
6044 * common.h (class Allocate_commons_task): Add mapfile_ field.
6045 Update constructor. Change all callers.
6046 * symtab.h (class Symbol_table): Update declarations.
6047 * layout.cc: Include "mapfile.h".
6048 (Layout_task_runner::run): Print information to mapfile.
6049 (Layout::create_gold_note): Change Output_data_fixed_space to
6050 Output_data_zero_fill.
6051 (Layout::create_build_id): Likewise.
6052 (Layout::print_to_mapfile): New function.
6053 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
6054 constructor. Change caller.
6055 (class Layout): Declare print_to_mapfile.
6056 * output.cc (Output_section::Input_section::print_to_mapfile): New
6057 function.
6058 (Output_section::add_input_section): If producing a map, always
6059 add to input_sections_ list.
6060 (Output_section::do_print_to_mapfile): New function.
6061 (Output_segment::print_sections_to_mapfile): New function.
6062 (Output_segment::print_section_list_to_mapfile): New function.
6063 * output.h: Include "mapfile.h".
6064 (Output_data::print_to_mapfile): New function.
6065 (Output_data::do_print_to_mapfile): New virtual function.
6066 (Output_segment_headers::do_print_to_mapfile): New function.
6067 (Output_file_header::do_print_to_mapfile): New function.
6068 (Output_data_const::do_print_to_mapfile): New function.
6069 (class Output_data_const_buffer): Add map_name_ field. Update
6070 constructor. Change all callers. Add do_print_to_mapfile
6071 function.
6072 (class Output_data_fixed_space): Likewise.
6073 (class Output_data_space): Likewise.
6074 (class Output_data_zero_fill): New class.
6075 (Output_data_strtab::do_print_to_mapfile): New function.
6076 (Output_data_reloc_base::do_print_to_mapfile): New function.
6077 (Output_relocatable_relocs::do_print_to_mapfile): New function.
6078 (Output_data_group::do_print_to_mapfile): New function.
6079 (Output_data_got::do_print_to_mapfile): New function.
6080 (Output_data_dynamic::do_print_to_mapfile): New function.
6081 (Output_symtab_xindex::do_print_to_mapfile): New function.
6082 (class Output_section): Declare do_print_to_mapflie. Declare
6083 print_to_mapfile in Input_section.
6084 (class Output_segment): Declare new functions.
6085 * object.h (Sized_relobj::symbol_count): New function.
6086 * script-sections.cc
6087 (Output_section_element_dot_assignment::set_section_addresses):
6088 Change Output_data_fixed_space to Output_data_zero_fill.
6089 (Output_data_expression::do_print_to_mapfile): New function.
6090 * script.cc (read_input_script): Add mapfile parameter. Change
6091 all callers.
6092 * script.h (read_input_script): Update declaration.
6093 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6094 (Eh_frame::do_print_to_mapfile): New function.
6095 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6096 (Output_merge_string::do_print_to_mapfile): New function.
6097 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6098 function.
6099 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6100 function.
6101 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6102 function.
6103 * Makefile.am (CCFILES): Add mapfile.cc.
6104 (HFILES): Add mapfile.h.
6105 * Makefile.in: Rebuild.
6106
9f1d377b
ILT		 61072008-05-19 Ian Lance Taylor <iant@google.com>
6108
6109 * options.h (class General_options): Add -z relro.
6110 * layout.cc (Layout::Layout): Initialize relro_segment_.
6111 (Layout::add_output_section_data): Return the output section.
6112 (Layout::make_output_section): Rcognize relro sections and mark
6113 them appropriately.
6114 (Layout::attach_allocated_section_to_segment): Put relro sections
6115 in a PT_GNU_RELRO segment.
6116 (Layout::create_initial_dynamic_sections): Mark the .dynamic
6117 section as relro.
6118 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6119 PT_TLS segments.
6120 (Layout::linkonce_mapping): Map d.rel.ro.local to
6121 .data.rel.ro.local.
6122 (Layout::output_section_name): Us .data.rel.ro.local for any
6123 section which begins with that.
6124 * layout.h (class Layout): Update add_output_section_data
6125 declaration. Add relro_segment_ field.
6126 * output.cc (Output_section::Output_section): Initialize is_relro_
6127 and is_relro_local_ fields.
6128 (Output_segment::add_output_section): Group relro sections.
6129 (Output_segment::is_first_section_relro): New function.
6130 (Output_segment::maximum_alignment): If there is a relro section,
6131 align the segment to the common page size.
6132 (Output_segment::set_section_addresses): Track whether we are
6133 looking at relro sections. If the last section is a relro
6134 section, align to the common page size.
6135 (Output_segment::set_section_list_addresses): Add in_relro
6136 parameter. Change all callers. Align to the page size when
6137 moving from relro to non-relro section.
6138 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6139 segment.
6140 * output.h (class Output_section): Add is_relro_ and
6141 is_relro_local_ fields.
6142 (Output_section::is_relro): New function.
6143 (Output_section::set_is_relro): New function.
6144 (Output_section::is_relro_local): New function.
6145 (Output_section::set_is_relro_local): New function.
6146 (class Output_segment): Update declarations.
6147 * i386.cc (Target_i386::got_section): Mark .got section as relro.
6148 * sparc.cc (Target_sparc::got_section): Likewise.
6149 * x86_64.cc (Target_x86_64::got_section): Likewise.
6150 * testsuite/relro_test_main.cc: New file.
6151 * testsuite/relro_test.cc: New file.
6152 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6153 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6154 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6155 (relro_test.so, relro_test_pic.o): New targets.
6156 * testsuite/Makefile.in: Rebuild.
6157
a984ee1d
ILT		 61582008-05-16 Ian Lance Taylor <iant@google.com>
6159
01676dcd
ILT		 6160 * output.cc (Output_segment::add_output_section): Remove front
6161 parameter.
6162 * output.h (class Output_segment): Remove
6163 add_initial_output_section and overloaded add_output_section.
6164 Update declaration of remaining add_output_section.
6165 * layout.cc (Layout::create_interp): Call add_output_section
6166 rather than add_initial_output_section.
6167 (Layout::finish_dynamic_section): Likewise.
6168
497897f9
ILT		 6169 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6170 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
6171 know the dynamic type.
6172 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6173 field. Initialize it in constructor.
6174 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6175 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6176 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6177 reloc.
6178
a984ee1d
ILT		 6179 * output.cc (Output_reloc::get_address): Change return type to
6180 Elf_Addr.
6181 * output.h (class Output_reloc): Update get_address declaration.
6182 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6183 for section addresses.
6184
55ba0940
ILT		 61852008-05-09 Ian Lance Taylor <iant@google.com>
6186
6187 PR 6493
6188 * gold.cc (gold_nomem): Use return value of write.
6189
75517b77
ILT		 61902008-05-08 Ian Lance Taylor <iant@google.com>
6191
6192 * symtab.c (Symbol::init_base_output_data): Add version
6193 parameter. Change all callers.
6194 (Symbol::init_base_output_segment): Likewise.
6195 (Symbol::init_base_constant): Likewise.
6196 (Symbol::init_base_undefined): Likewise.
6197 (Sized_symbol::init_output_data): Likewise.
6198 (Sized_symbol::init_output_segment): Likewise.
6199 (Sized_symbol::init_constant): Likewise.
6200 (Sized_symbol::init_undefined): Likewise.
6201 (Symbol_table::do_define_in_output_data): If the new symbol has a
6202 version, mark it as the default.
6203 (Symbol_table::do_define_in_output_segment): Likewise.
6204 (Symbol_table::do_define_as_constant): Likewise.
6205 * symtab.h (class Symbol): Update declarations.
6206 (class Sized_symbol): Likewise.
6207 * resolve.cc (Symbol::override_version): New function.
c42e122e 6208 (Symbol::override_base): Call override_version.
75517b77
ILT		 6209 (Symbol::override_base_with_special): Likewise.
6210 * testsuite/ver_script_8.script: New file.
6211 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6212 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6213 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6214 (ver_test_8_1.so, ver_test_8_2.so): New targets.
6215
f1f70eae
ILT		 62162008-05-06 Ian Lance Taylor <iant@google.com>
6217
f3e9c5c5
ILT		 6218 PR 6049
6219 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6220 functions.
6221 (class General_options): Remove existing --undefined, and add
6222 --no-undefined instead. Add new --undefined as synonym for -u.
6223 * archive.cc (Archive::add_symbols): Check whether symbol was
6224 named with -u.
6225 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6226 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6227 all uses. Add IS_UNDEFINED. Update declarations to split
6228 different versions of init_base. Declare init_base_undefined.
6229 (Symbol::is_defined): Handle IS_UNDEFINED.
6230 (Symbol::is_undefined): Likewise.
6231 (Symbol::is_weak_undefined): Call is_undefined.
6232 (Symbol::is_absolute): Handle IS_CONSTANT.
6233 (class Sized_symbol): Update declarations to split different
6234 versions of init. Declare init_undefined.
6235 (class Symbol_table): Declare new functions.
6236 * symtab.cc (Symbol::init_base_object): Rename from init_base.
6237 Change all callers.
6238 (Symbol::init_base_output_data): Likewise.
6239 (Symbol::init_base_output_segment): Likewise.
6240 (Symbol::init_base_constant): Likewise.
6241 (Symbol::init_base_undefined): New function.
6242 (Sized_symbol::init_object): Rename from init. Change all
6243 callers.
6244 (Sized_symbol::init_output_data): Likewise.
6245 (Sized_symbol::init_output_segment): Likewise.
6246 (Sized_symbol::init_constant): Likewise.
6247 (Sized_symbol::init_undefined): New function.
6248 (Symbol_table::add_undefined_symbols_from_command_line): New
6249 function.
6250 (Symbol_table::do_add_undefined_symbols_from_command_line): New
6251 function.
6252 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6253 (Symbol::output_section): Likewise.
6254 (Symbol::set_output_section): Likewise.
6255 (Symbol_table::sized_finalize_symbol): Likewise.
6256 (Symbol_table::sized_write_globals): Likewise.
6257 * resolve.cc (Symbol_table::should_override): Likewise.
6258 (Symbol::override_base_with_special): Likewise.
6259
8bdcdf2c
ILT		 6260 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6261 symbol, change it to have default visibility.
6262 * testsuite/protected_1.cc: New file.
6263 * testsuite/protected_2.cc: New file.
6264 * testsuite/protected_3.cc: New file.
6265 * testsuite/protected_main_1.cc: New file.
6266 * testsuite/protected_main_2.cc: New file.
6267 * testsuite/protected_main_3.cc: New file.
6268 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6269 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6270 (protected_1_LDFLAGS, protected_1_LDADD): Define.
6271 (protected_1.so): New target.
6272 (protected_1_pic.o, protected_2_pic.o): New targets.
6273 (protected_3_pic.o): New target.
6274 (check_PROGRAMS): Add protected_2.
6275 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6276 (protected_2_LDFLAGS, protected_2_LDADD): Define.
6277 * testsuite/Makefile.in: Rebuild.
6278
2b706932
ILT		 6279 * options.h (DEFINE_var): Add set_user_set_##varname__.
6280 (DEFINE_bool_alias): New macro.
6281 (class General_options): Define -Bstatic using DEFINE_bool_alias
6282 rather than DEFINE_special. Add --undefined as an alias for -z
6283 defs.
6284 * options.cc (General_options::parse_Bstatic): Remove.
6285
d82a5bcc
ILT		 6286 * options.h (class General_options): Add --fatal-warnings.
6287 * main.cc (main): Implement --fatal-warnings.
6288 * errors.h (Errors::warning_count): New function.
6289
f1f70eae
ILT		 6290 * options.h (class General_options): Add -Bsymbolic-functions.
6291 * symtab.h (Symbol::is_preemptible): Check for
6292 -Bsymbolic-functions.
6293
8825ac63
ILT		 62942008-05-05 Ian Lance Taylor <iant@google.com>
6295
d98bc257
ILT		 6296 * options.h (DEFINE_bool): For DASH_Z, create the negative option
6297 as noVARNAME rather than no-VARNAME.
6298 (class General_options): Add option -z combreloc.
6299 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6300 get_address.
6301 (Output_reloc::sort_before) [SHT_REL]: New function.
6302 (Output_reloc::sort_before) [SHT_RELA]: New function.
6303 (class Output_data_reloc_base): Add sort_relocs_ field. Define
6304 Sort_relocs_comparison.
6305 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6306 parameter. Change all callers.
6307 (Output_data_reloc::Output_data_reloc) [both versions]: Add
6308 sort_relocs parameter. Change all callers.
6309 * output.cc (Output_reloc::get_address): New function, broken out
6310 of write_rel.
6311 (Output_reloc::write_rel): Call it.
6312 (Output_reloc::compare): New function.
6313 (Output_data_reloc_base::do_write): Optionally sort relocs.
6314
60b2b4e7
ILT		 6315 * configure.ac: If targ_extra_obj is set, link it in.
6316 * configure.tgt: Initialize all variables.
6317 (x86_64*): Set targ_extra_obj and targ_extra_size.
6318 * configure: Rebuild.
6319
8825ac63
ILT		 6320 * object.cc (Sized_relobj::include_section_group): Adjust section
6321 indexes read from group data. Build vector to pass to
6322 layout_group.
6323 * layout.cc (Layout::layout_group): Add flags and shndxes
6324 parameters. Remove contents parameter. Change caller. Update
6325 explicit instantiations.
6326 * layout.h (class Layout): Update layout_group declaration.
6327 * output.cc (Output_data_group::Output_data_group): Add flags and
6328 input_shndxes parameters. Remove contents parameter. Change
6329 caller.
6330 (Output_data_group::do_write): Change input_sections_ to
6331 input_shndxes_.
6332 * output.h (class Output_data_group): Update constructor
6333 declaration. Rename input_sections_ to input_shndxes_.
6334 * testsuite/many_sections_test.cc: Add template.
6335
e94cf127
CC		 63362008-04-30 Cary Coutant <ccoutant@google.com>
6337
4418b2d5
CC		 6338 * target-reloc.h (relocate_section): Fix dead-pointer bug.
6339
e94cf127
CC		 6340 * layout.cc (Layout::include_section): Refactored check for debug
6341 info section.
6342 (Layout::add_comdat): Add new parameters. Change type
6343 of signature parameter. Add object and shndx to signatures table.
6344 (Layout::find_kept_object): New function.
6345 * layout.h: Include <cstring>.
6346 (Layout::is_debug_info_section): New function.
6347 (Layout::add_comdat): Add new parameters.
6348 (Layout::find_kept_object): New function.
6349 (Layout::Kept_section): New struct.
6350 (Layout::Signatures): Change type of map range.
6351 * object.cc (Relobj::output_section_address): New function.
6352 (Sized_relobj::include_section_group): Add new parameters. Change
6353 calls to Layout::add_comdat. Change to build table of kept comdat
6354 groups and table mapping discarded sections to kept sections.
6355 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
6356 (Sized_relobj::do_layout): Change calls to include_section_group and
6357 include_linkonce_section.
6358 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6359 value to zero when section is discarded.
6360 (Sized_relobj::map_to_kept_section): New function.
6361 * object.h (Relobj::output_section_address): New function.
6362 (Relobj::Comdat_group): New type.
6363 (Relobj::find_comdat_group): New function.
6364 (Relobj::Comdat_group_table): New type.
6365 (Relobj::Kept_comdat_section): New type.
6366 (Relobj::Kept_comdat_section_table): New type.
6367 (Relobj::add_comdat_group): New function.
6368 (Relobj::set_kept_comdat_section): New function.
6369 (Relobj::get_kept_comdat_section): New function.
6370 (Relobj::comdat_groups_): New field.
6371 (Relobj::kept_comdat_sections_): New field.
6372 (Symbol_value::input_value): Update comment.
6373 (Sized_relobj::map_to_kept_section) New function.
6374 (Sized_relobj::include_linkonce_section): Add new parameter.
6375 * target-reloc.h (Comdat_behavior): New type.
6376 (get_comdat_behavior): New function.
6377 (relocate_section): Add code to map a discarded section to the
6378 corresponding kept section when applying a relocation.
6379
e4e5049b
CS		 63802008-04-30 Craig Silverstein <csilvers@google.com>
6381
6382 * dwarf_reader.cc (next_generation_count): New static var.
6383 (Addr2line_cache_entry): New struct.
6384 (addr2line_cache): New static var.
6385 (Dwarf_line_info::one_addr2line): Added caching.
6386 (Dwarf_line_info::clear_addr2line_cache): New function.
6387 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6388 cache-size parameter.
6389 (Dwarf_line_info::one_addr2line_cache): New function.
6390 * symtab.cc (Symbol_table::detect_odr_violations): Pass
6391 new cache-size argument to one_addr2line(), and clear cache.
6392
d09e9154
CC		 63932008-04-28 Cary Coutant <ccoutant@google.com>
6394
6395 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6396 R_386_PC8 relocations.
6397
7ef73768
ILT		 63982008-04-23 Ian Lance Taylor <iant@google.com>
6399
55438702
ILT		 6400 * object.cc (Sized_relobj::include_section_group): Check for
6401 invalid section group.
6402
c165fb93
ILT		 6403 * object.cc (make_elf_object): Correct test for 64-bit ELF file
6404 header size.
6405
7ef73768
ILT		 6406 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6407 than read for file header.
6408 * archive.cc (Archive::include_member): Likewise.
6409
6194aaab
L		 64102008-04-23 Paolo Bonzini <bonzini@gnu.org>
6411
6412 * aclocal.m4: Regenerate.
6413 * configure: Regenerate.
6414
d491d34e
ILT		 64152008-04-19 Ian Lance Taylor <iant@google.com>
6416
5ea2bac6
ILT		 6417 * version.cc (version_string): Bump to 1.6.
6418
7bc3e21a
ILT		 6419 * testsuite/Makefile.am (many_sections_r_test): New target.
6420 (many_sections_r_test_SOURCES): Remove.
6421 (many_sections_r_test_DEPENDENCIES): Remove.
6422 (many_sections_r_test_LDFLAGS): Remove.
6423 (many_sections_r_test_LDADD): Remove.
6424
7fcd3aa9
ILT		 6425 * object.cc (Sized_relobj::do_add_symbols): Always pass
6426 local_symbol_count_ to add_from_relobj.
6427
4c94d6ae
ILT		 6428 * testsuite/Makefile.am (many_sections_check.h): Only check one in
6429 every thousand variables.
6430 * testsuite/Makefile.in: Rebuild.
6431
d491d34e
ILT		 6432 * object.cc (Xindex::initialize_symtab_xindex): New function.
6433 (Xindex::read_symtab_xindex): New function.
6434 (Xindex::sym_xindex_to_shndx): New function.
6435 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6436 available.
6437 (Sized_relobj::do_initialize_xindex): New function.
6438 (Sized_relobj::do_read_symbols): Adjust section links.
6439 (Sized_relobj::symbol_section_and_value): Add is_ordinary
6440 parameter. Change all callers.
6441 (Sized_relobj::include_section_group): Adjust section links and
6442 symbol section indexes.
6443 (Sized_relobj::do_layout): Adjust section links.
6444 (Sized_relobj::do_count_local_symbols): Adjust section links and
6445 symbol section indexes.
6446 (Sized_relobj::do_finalize_local_symbols): Distinguish between
6447 ordinary and special symbols.
6448 (Sized_relobj::write_local_symbols): Add symtab_xindex and
6449 dynsym_xindex parameters. Change all callers. Adjust section
6450 links. Use SHN_XINDEX when needed.
6451 (Sized_relobj::get_symbol_location_info): Adjust section links.
6452 Don't get fooled by special symbols.
6453 * object.h (class Xindex): Define.
6454 (class Object): Add xindex_ parameter. Declare virtual functoin
6455 do_initialize_xindex.
6456 (Object::adjust_sym_shndx): New function.
6457 (Object::set_xindex): New protected function.
6458 (class Symbol_value): Add is_ordinary_shndx_ field.
6459 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6460 (Symbol_value::value): Assert ordinary section.
6461 (Symbol_value::initialize_input_to_output_map): Likewise.
6462 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6463 Change all callers.
6464 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
6465 all callers.
6466 (class Sized_relobj): Update declarations.
6467 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6468 parameter. Change all callers.
6469 (Sized_relobj::adjust_shndx): New function.
6470 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6471 field.
6472 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6473 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
6474 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
6475 (Sized_dynobj::read_dynsym_section): Adjust section links.
6476 (Sized_dynobj::read_dynamic): Likewise.
6477 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
6478 section links.
6479 (Sized_dynobj::do_initialize_xindex): New function.
6480 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
6481 do_initialize_xindex.
6482 (Sized_dynobj::adjust_shndx): New function.
6483 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6484 dynsym_xindex_ fields.
6485 (Layout::finalize): Add a call to set_section_indexes before
6486 creating the symtab sections.
6487 (Layout::set_section_indexes): Don't do anything if the section
6488 already has a section index.
6489 (Layout::create_symtab_sections): Add shnum parameter. Change
6490 caller. Create .symtab_shndx section if needed.
6491 (Layout::create_shdrs): Add shstrtab_section parameter. Change
6492 caller.
6493 (Layout::allocated_output_section_count): New function.
6494 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6495 needed.
6496 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6497 fields. Update declarations.
6498 (Layout::symtab_xindex): New function.
6499 (Layout::dynsym_xindex): New function.
6500 (class Write_symbols_task): Add layout_ field.
6501 (Write_symbols_task::Write_symbols_task): Add layout parameter.
6502 Change caller.
6503 * output.cc (Output_section_headers::Output_section_headers): Add
6504 shstrtab_section parameter. Change all callers.
6505 (Output_section_headers::do_sized_write): Store overflow values
6506 for section count and section string table section index in
6507 section header zero.
6508 (Output_file_header::do_sized_write): Check for overflow of
6509 section count and section string table section index.
6510 (Output_symtab_xindex::do_write): New function.
6511 (Output_symtab_xindex::endian_do_write): New function.
6512 * output.h (class Output_section_headers): Add shstrtab_section_.
6513 Update declarations.
6514 (class Output_symtab_xindex): Define.
6515 (Output_section::has_out_shndx): New function.
6516 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6517 field.
6518 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6519 Change all callers.
6520 (Sized_symbol::init): Likewise.
6521 (Symbol::output_section): Check for ordinary symbol.
6522 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
6523 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
6524 callers.
6525 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6526 Change all callers. Simplify handling of symbols from sections
6527 not included in the link.
6528 (Symbol_table::add_from_dynobj): Handle ordinary symbol
6529 distinction.
6530 (Weak_alias_sorter::operator()): Assert that symbols are
6531 ordinary.
6532 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6533 distinction.
6534 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6535 parameters. Change all callers.
6536 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
6537 symbol distinction. Use SHN_XINDEX when needed.
6538 (Symbol_table::write_section_symbol): Add symtab_xindex
6539 parameter. Change all callers.
6540 (Symbol_table::sized_write_section_symbol): Likewise. Use
6541 SHN_XINDEX when needed.
6542 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
6543 declarations.
6544 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
6545 (Symbol::is_defined): Check is_ordinary.
6546 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6547 (Symbol::is_absolute, Symbol::is_common): Likewise.
6548 (class Sized_symbol): Update declarations.
6549 (class Symbol_table): Update declarations.
6550 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6551 parameters. Change all callers.
6552 (Sized_symbol::override): Likewise.
6553 (Symbol_table::override): Likewise.
6554 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
6555 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
6556 is_ordinary, and orig_st_shndx parameters. Change all callers.
6557 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6558 to be in an ordinary section.
6559 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6560 object and is_ordinary parameters. Change all callers.
6561 (Sized_dwarf_line_info::read_relocs): Add object parameter.
6562 Change all callers. Don't add undefined or non-ordinary symbols
6563 to reloc_map_.
6564 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6565 Change all callers.
6566 * dwarf_reader.h (class Sized_dwarf_line_info): Update
6567 declarations.
6568 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6569 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6570 (Sized_relobj::relocate_sections): Likewise.
6571 * target-reloc.h (scan_relocs): Adjust section symbol index.
6572 (scan_relocatable_relocs): Likewise.
6573 * i386.cc (Scan::local): Check for ordinary symbols.
6574 * sparc.cc (Scan::local): Likewise.
6575 * x86_64.cc (Scan::local): Likewise.
6576 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6577 to symbol_section_and_value.
6578 * testsuite/many_sections_test.cc: New file.
6579 * testsuite/Makefile.am (BUILT_SOURCES): Define.
6580 (check_PROGRAMS): Add many_sections_test.
6581 (many_sections_test_SOURCES): Define.
6582 (many_sections_test_DEPENDENCIES): Define.
6583 (many_sections_test_LDFLAGS): Define.
6584 (BUILT_SOURCES): Add many_sections_define.h.
6585 (many_sections_define.h): New target.
6586 (BUILT_SOURCES): Add many_sections_check.h.
6587 (many_sections_check.h): New target.
6588 (check_PROGRAMS): Add many_sections_r_test.
6589 (many_sections_r_test_SOURCES): Define.
6590 (many_sections_r_test_DEPENDENCIES): Define.
6591 (many_sections_r_test_LDFLAGS): Define.
6592 (many_sections_r_test_LDADD): Define.
6593 (many_sections_r_test.o): New target.
6594 * testsuite/Makefile.in: Rebuild.
6595
c5818ff1
CC		 65962008-04-17 Cary Coutant <ccoutant@google.com>
6597
6598 * errors.cc (Errors::info): New function.
6599 (gold_info): New function.
6600 * errors.h (Errors::info): New function.
6601 * gold.h (gold_info): New function.
6602 * object.cc (Input_objects::add_object): Print trace output.
6603 * options.cc (options::parse_set): New function.
6604 (General_options::parse_wrap): Deleted.
6605 (General_options::General_options): Deleted initializer.
6606 * options.h (options::String_set): New typedef.
6607 (options::parse_set): New function.
6608 (DEFINE_set): New macro.
6609 (General_options::wrap): Changed to use DEFINE_set. Changed
6610 callers of any_wrap_symbols and is_wrap_symbol.
6611 (General_options::trace, General_options::trace_symbol):
6612 New options.
6613 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6614 (General_options::wrap_symbols_): Deleted.
6615 * symtab.cc (Symbol_table::add_from_object): Print trace output.
6616
b5be4a7c
DM		 66172008-04-17 David S. Miller <davem@davemloft.net>
6618
6619 * options.cc (General_options::parse_V): New function.
6620 * options.h: Add entries for -V and -Qy.
6621
155a0dd7
ILT		 66222008-04-17 Ian Lance Taylor <iant@google.com>
6623
6624 * common.cc (Symbol_table::allocate_commons): Remove options
6625 parameter. Change caller.
6626 (Symbol_table::do_allocate_commons): Remove options parameter.
6627 Change caller. Just call do_allocate_commons_list twice.
6628 (Symbol_table::do_allocate_commons_list): New function, broken out
6629 of do_allocate_commons.
6630 * common.h (class Allocate_commons_task): Remove options_ field.
6631 Update constructor.
6632 * symtab.cc (Symbol_table::Symbol_table): Initialize
6633 tls_commons_.
6634 (Symbol_table::add_from_object): Put TLS common symbols on
6635 tls_commons_ list.
6636 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6637 which are IN_OUTPUT_DATA.
6638 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
6639 allocate_commons and do_allocate_commons declarations. Declare
6640 do_allocate_commons_list.
6641 * gold.cc (queue_middle_tasks): Update creation of
6642 Allocate_commons_task to not pass options.
6643 * testsuite/Makefile.am (INCLUDES): Add -I.. .
6644 (TLS_TEST_C_FLAGS): New variable.
6645 (tls_test_c_pic.o): New target.
6646 (tls_test_shared.so): Link in tls_test_c_pic.o.
6647 (tls_test_c_pic_ie.o): New target.
6648 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6649 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6650 (tls_test_c.o): New target.
6651 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6652 (tls_pic_test_LDADD): Likewise.
6653 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6654 (tls_shared_gd_to_ie_test_LDADD): Likewise.
6655 (tls_test_c_gnu2.o): New target.
6656 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6657 tls_test_c_gnu2.o.
6658 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6659 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6660 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6661 * testsuite/tls_test.cc: Include "config.h".
6662 (t_last): Call t11_last.
6663 * testsuite/tls_test.h (t11, t11_last): Declare.
6664 * testsuite/tls_test_c.c: New file.
6665 * testsuite/tls_test_main.cc (thread_routine): Call t11.
6666 * configure.ac: Check for OpenMP support.
6667 * configure, config.in, Makefile.in: Rebuild.
6668 * testsuite/Makefile.in: Rebuild.
6669
edfbb029
CC		 66702008-04-16 Cary Coutant <ccoutant@google.com>
6671
6672 * i386.cc (Target_i386::define_tls_base_symbol): New function.
6673 (Target_i386::tls_base_symbol_defined_): New field.
6674 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6675 (Target_i386::Scan::global): Likewise.
6676 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6677 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6678 (Target_x86_64::tls_base_symbol_defined_): New field.
6679 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6680 (Target_x86_64::Scan::global): Likewise.
6681
f3c69fca
CC		 66822008-04-16 Cary Coutant <ccoutant@google.com>
6683
6684 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6685 (Symbol::needs_plt_entry): Allow weak undefined symbols.
6686 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6687 building shared libraries.
6688 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6689 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6690 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6691 * testsuite/Makefile.in: Rebuild.
6692 * testsuite/weak_undef.h: New file.
6693 * testsuite/weak_undef_file1.cc: Add extra test cases.
6694 * testsuite/weak_undef_file2.cc: Likewise.
6695 * testsuite/weak_undef_test.cc: Likewise.
6696
7c414435
DM		 66972008-04-16 David S. Miller <davem@davemloft.net>
6698
32b769e1
DM		 6699 * sparc.cc (Target_sparc::Scan): Change from struct to class.
6700 Add issued_non_pic_error_ field. Declare check_non_pic.
6701 (Target_sparc::Scan::check_non_pic): New function.
6702 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6703 (Target_sparc::Scan::global): Likewise.
6704
11936fb1
DM		 6705 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6706 * configure: Rebuild.
6707
7c414435
DM		 6708 * options.h (DEFINE_enable): New macro.
6709 (new_dtags): New enable option.
6710 (initfirst, interpose, loadfltr, nodefaultlib,
6711 nodelete, nodlopen, nodump): New -z options.
6712 * layout.cc (Layout:finish_dynamic_section): If new
6713 dtags enabled, emit DT_RUNPATH. Also, emit a
6714 DT_FLAGS_1 containing any specified -z flags.
6715
85c7bf8b
ILT		 67162008-04-16 Ian Lance Taylor <iant@google.com>
6717
12c0daef
ILT		 6718 * copy-relocs.cc: New file.
6719 * copy-relocs.h: New file.
6720 * reloc.cc: Remove Copy_relocs code.
6721 * reloc.h: Likewise.
6722 * reloc-types.h (struct Reloc_types) [both versions]: Add
6723 get_reloc_addend_noerror.
6724 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6725 variants of add_global which take an addend which must be zero.
6726 * i386.cc: Include "copy-relocs.h".
6727 (class Target_i386): Change type of copy_relocs_ to variable,
6728 update initializer.
6729 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6730 Change all callers.
6731 (Target_i386::do_finalize_sections): Change handling of
6732 copy_relocs_.
6733 * sparc.cc: Include "copy-relocs.h".
6734 (class Target_sparc): Change type of copy_relocs_ to variable,
6735 update initializer.
6736 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6737 Change all callers.
6738 (Target_sparc::do_finalize_sections): Change handling of
6739 copy_relocs_.
6740 * x86_64.cc: Include "copy-relocs.h".
6741 (class Target_x86_64): Change type of copy_relocs_ to variable,
6742 update initializer.
6743 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6744 class. Change all callers.
6745 (Target_x86_64::do_finalize_sections): Change handling of
6746 copy_relocs_.
6747 * Makefile.am (CCFILES): Add copy-relocs.cc.
6748 (HFILES): Add copy-relocs.h.
6749
4f4995b6
ILT		 6750 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6751
85c7bf8b
ILT		 6752 * testsuite/script_test_4.sh: Permit leading zeroes.
6753
4f2a9edd
ILT		 67542008-04-15 Ian Lance Taylor <iant@google.com>
6755
e6188289
ILT		 6756 * script-sections.cc (Script_sections::create_segments): Use
6757 header_size_adjustment even when there is enough room for the
6758 headers.
6759 * testsuite/script_test_4.sh: New file.
6760 * testsuite/script_test_4.t: New file.
6761 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6762 (check_DATA): Add script_test_4.stdout.
6763 (MOSTLYCLEANFILES): Likewise.
6764 (script_test_4): New target.
6765 (script_test_4.stdout): New target.
6766 * testsuite/Makefile.in: Rebuild.
6767
4f2a9edd
ILT		 6768 * sparc.cc: Add definitions for Output_data_plt_sparc class
6769 constants.
6770
f5314dd5
DM		 67712008-04-14 David S. Miller <davem@davemloft.net>
6772
6773 * sparc.cc: New file.
6774 * Makefile.am (TARGETSOURCES): Add sparc.cc
6775 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6776 * configure.tgt: Document targ_extra_size and
6777 targ_extra_big_endian. Add entries for sparc-* and
6778 sparc64-*.
6779 * configure.ac: Handle targ_extra_size and
6780 targ_extra_big_endian.
6781 * Makefile.in: Rebuild.
6782 * configure: Likewise.
6783 * po/POTFILES.in: Likewise.
6784 * po/gold.pot: Likewise.
6785
154e0e9a
ILT		 67862008-04-14 Ian Lance Taylor <iant@google.com>
6787
6788 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6789 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6790 in the name/type/flags to section mapping. Don't call
6791 allocate_output_section.
6792 (Layout::choose_output_section): Change parameter from adjust_name
6793 to is_input_section. Don't permit input sections after sections
6794 are attached to segments. Don't call allocate_output_section.
6795 (Layout::layout_eh_frame): Call update_flags_for_input_section,
6796 not write_enable_output_section.
6797 (Layout::make_output_section): Don't push to
6798 unattached_section_list_ nor call attach_to_segment. Call
6799 attach_section_to_segment if sections are attached.
6800 (Layout::attach_sections_to_segments): New function.
6801 (Layout::attach_section_to_segment): New function.
6802 (Layout::attach_allocated_section_to_segment): Rename from
6803 attach_to_segment. Remove flags parameter.
6804 (Layout::allocate_output_section): Remove function.
6805 (Layout::write_enable_output_section): Remove function.
6806 * layout.h (class Layout): Update for above changes. Add new
6807 field sections_are_attached_.
6808 * output.h (Output_section::update_flags_for_input_section): New
6809 function.
6810 * output.cc (Output_section::add_input_section): Call
6811 update_flags_for_input_section.
6812 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6813
009a67a2
CC		 68142008-04-11 Cary Coutant <ccoutant@google.com>
6815
6816 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6817 thought unnecessary.
6818 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6819
759b1a24
ILT		 68202008-04-11 Ian Lance Taylor <iant@google.com>
6821
6822 * output.h (class Output_section_data): Remove inline definition
6823 of set_addralign.
6824 * output.cc (Output_section_data::set_addralign): New function.
6825
c2b45e22
CC		 68262008-04-11 Cary Coutant <ccoutant@google.com>
6827
6828 Add support for TLS descriptors for i386 and x86_64.
6829 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6830 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6831 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6832 GOT_TYPE_TLS_DESC.
6833 (Target_i386::got_mod_index_entry): Remove unnecessary code.
6834 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6835 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
6836 relocations.
6837 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6838 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6839 Fix problem with initial-exec relocations.
6840 (Target_i386::Relocate::relocate_tls): Likewise.
6841 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6842 relaxation.
6843 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6844 support for section-plus-offset dynamic table entries.
6845 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6846 (Output_data_dynamic::Dynamic_entry): Add support for
6847 section-plus-offset dynamic table entries.
6848 (Output_data_dynamic::Classification): Likewise.
6849 (Output_data_dynamic::classification_): Renamed offset_.
6850 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6851 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6852 (Target_x86_64::make_plt_section): New function.
6853 (Target_x86_64::reserve_tlsdesc_entries): New function.
6854 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6855 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6856 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6857 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6858 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6859 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6860 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6861 add extra PLT entry for TLS descriptors.
6862 (Output_data_plt_x86_64::got_): New field.
6863 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6864 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6865 fields.
6866 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6867 descriptors.
6868 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6869 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6870 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6871 R_386_TLS_DESC_CALL relocations.
6872 (Target_x86_64::Scan::global): Likewise.
6873 (Target_x86_64::do_finalize_sections): Add dynamic table entries
6874 for TLS descriptors.
6875 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6876 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6877 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6878 GD-to-IE relaxation.
6879 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6880 and TLS_DESCRIPTORS.
6881 * Makefile.in: Rebuild.
6882 * configure: Rebuild.
6883 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6884 (tls_test_shared2.so): New target.
6885 (tls_shared_gd_to_ie_test_SOURCES): New variable.
6886 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6887 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6888 (tls_shared_gd_to_ie_test_LDADD): New variable.
6889 (tls_shared_gnu2_gd_to_ie_test): New target.
6890 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6891 New targets.
6892 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6893 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6894 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6895 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6896 (tls_shared_gnu2_test): New target.
6897 (tls_test_gnu2_shared.so): New target.
6898 (tls_shared_gnu2_test_SOURCES): New variable.
6899 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6900 (tls_shared_gnu2_test_LDFLAGS): New variable.
6901 (tls_shared_gnu2_test_LDADD): New variable.
6902 * testsuite/Makefile.in: Rebuild.
6903 * testsuite/Makefile.
6904
83bfb6b7
ILT		 69052008-04-11 Ian Lance Taylor <iant@google.com>
6906
6907 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6908 justsyms.t.
6909 * testsuite/Makefile.in: Rebuild.
6910
6911 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6912 long.
6913 * testsuite/script_test_2.cc (main): Adjust test.
6914
706e1f5e
ILT		 69152008-04-11 David S. Miller <davem@davemloft.net>
6916 Ian Lance Taylor <iant@google.com>
6917
6918 * options.h (General_options): Add entries for '-Y' and
6919 '-relax'.
6920 * options.cc (General_options:finalize): If -Y was used, add those
6921 entries to the library path instead of the default "/lib" and
6922 "/usr/lib".
6923
7c98e6bb
DM		 69242008-04-11 David S. Miller <davem@davemloft.net>
6925
6926 * testsuite/justsyms.t: Start at 0x100.
6927 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 6928 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6929 long.
6930 * testsuite/script_test_2.cc: Adjust string and section length
6931 checks.
7c98e6bb 6932
99a37bfd
ILT		 69332008-04-09 Ian Lance Taylor <iant@google.com>
6934
2cefc357
ILT		 6935 PR gold/5996
6936 * script-sections.cc (Sections_element::allocate_to_segment): Add
6937 orphan parameter.
6938 (Output_section_definition::allocate_to_segment): Likewise.
6939 (Orphan_output_section::allocate_to_segment): Likewise.
6940 (Script_sections::attach_sections_using_phdrs_clause): Don't
6941 propagate non-PT_LOAD segments to orphan sections.
6942 * testsuite/Makefile.am (script_test_3.stdout): Generate using
6943 readelf rather than objdump.
6944 * testsuite/script_test_3.sh: Adjust accordingly. Test that
6945 .interp section and PT_INTERP segment are the same size.
6946 * testsuite/Makefile.in: Rebuild.
6947
99a37bfd
ILT		 6948 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6949 aliases for symbols defined in the same object.
6950 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6951 (weak_alias_test_SOURCES): New variable.
6952 (weak_alias_test_DEPENDENCIES): New variable.
6953 (weak_alias_test_LDFLAGS): New variable.
6954 (weak_alias_test_LDADD): New variable.
6955 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6956 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6957 (weak_alias_test_3.o): New target.
6958 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6959 * testsuite/weak_alias_test_main.cc: New file.
6960 * testsuite/weak_alias_test_1.cc: New file.
6961 * testsuite/weak_alias_test_2.cc: New file.
6962 * testsuite/weak_alias_test_3.cc: New file.
6963
780e49c5
ILT		 69642008-04-08 Ian Lance Taylor <iant@google.com>
6965
cdb0b8f5
ILT		 6966 * options.h (class General_options): Add --noinhibit-exec option.
6967 * main.cc (main): Check --noinhibit-exec.
6968
0864d551
ILT		 6969 * options.h (class General_options): Define --wrap as a special
6970 option. Add wrap_symbols_ field.
6971 (General_options::any_wrap_symbols): New function.
6972 (General_options::is_wrap_symbol): New function.
6973 * options.cc (General_options::parse_wrap): New function.
6974 (General_options::General_options): Initialize wrap_symbols_.
6975 * symtab.cc (Symbol_table::wrap_symbol): New function.
6976 (Symbol_table::add_from_object): Handle --wrap.
6977 * symtab.h (class Symbol_table): Declare wrap_symbol.
6978 * target.h (Target::wrap_char): New function.
6979 (Target::Target_info): Add wrap_char field.
6980 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6981 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6982 * testsuite/testfile.cc (Target_test::test_target_info):
6983 Likewise.
6984
789aa6de
ILT		 6985 * errors.cc (Errors::undefined_symbol): Mention symbol version if
6986 there is one.
6987
2c38906f
ILT		 6988 * layout.h (class Layout): Add added_eh_frame_data_ field.
6989 * layout.cc (Layout::Layout): Initialize new field.
6990 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6991 output section until we find a section we merged successfully.
6992 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6993 that the size be non-zero.
6994
780e49c5
ILT		 6995 * merge.cc (Object_merge_map::get_output_offset): Remove inline
6996 qualifier.
6997
7fcd0256
ILT		 69982008-04-08 Craig Silverstein <csilvers@google.com>
6999
7000 * configure.ac: Export new conditional variable HAVE_ZLIB.
7001 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7002 on HAVE_ZLIB.
7003 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7004 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7005
6835af53
ILT		 70062008-04-07 Ian Lance Taylor <iant@google.com>
7007
e24f324c
ILT		 7008 * version.cc (version_string): Set to "1.5".
7009
a036edd8
ILT		 7010 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7011 Add issued_non_pic_error_ field. Declare check_non_pic.
7012 (Target_x86_64::Scan::check_non_pic): New function.
7013 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7014 (Target_x86_64::Scan::global): Likewise.
7015
624f8810
ILT		 7016 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7017 addend parameter. Change caller. Handle merge sections.
7018 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7019 Address to Addend. Don't add in the result of
7020 local_section_offset, pass down the addend and use the returned
7021 value.
7022 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7023 Update declarations of local_section_offset and symbol_value.
7024 * testsuite/two_file_test_1.cc (t18): New function.
7025 * testsuite/two_file_test_2.cc (f18): New function.
7026 * testsuite/two_file_test_main.cc (main): Call t18.
7027 * testsuite/two_file_test.h (t18, f18): Declare.
7028
6835af53
ILT		 7029 * configure.ac: Don't test for objdump, c++filt, or readelf.
7030 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7031 conditionals.
7032 (TEST_READELF): New variable.
7033 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7034 (check_PROGRAMS): Add two_file_strip_test.
7035 (two_file_strip_test): New target.
7036 (check_PROGRAMS): Add two_file_same_shared_strip_test.
7037 (two_file_same_shared_strip_test_SOURCES): New variable.
7038 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7039 (two_file_same_shared_strip_test_LDFLAGS): New variable.
7040 (two_file_same_shared_strip_test_LDADD): New variable.
7041 (two_file_shared_strip.so): New target.
7042 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7043 (ver_test_5.syms, ver_test_7.syms): Likewise.
7044 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7045 (strip_test_3.stdout): Use TEST_OBJDUMP.
7046 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7047
86925eef
CC		 70482008-04-04 Cary Coutant <ccoutant@google.com>
7049
7050 * symtab.h (Symbol::is_weak_undefined): New function.
7051 (Symbol::is_strong_undefined): New function.
7052 (Symbol::is_absolute): New function.
7053 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7054 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7055 absolute symbols.
7056 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7057 (weak_undef_test): New target.
7058 * testsuite/Makefile.in: Rebuild.
7059 * testsuite/weak_undef_file1.cc: New file.
7060 * testsuite/weak_undef_file2.cc: New file.
7061 * testsuite/weak_undef_test.cc: New file.
7062
126f3ece
ILT		 70632008-04-03 Craig Silverstein <csilvers@google.com>
7064
7065 * compressed_output.h (class Output_compressed_section): Use
7066 unsigned buffer.
7067 * compressed_output.cc (zlib_compress): Use unsigned buffers,
7068 add zlib header.
7069 (zlib_compressed_suffix): Removed.
7070 (Output_compressed_section::set_final_data_size): Use unsigned
7071 buffers.
7072 * testsuite/Makefile.am (flagstest_compress_debug_sections):
7073 Fix linker invocation.
7074 (flagstest_o_specialfile_and_compress_debug_sections):
7075 Likewise.
7076 * testsuite/Makefile.in: Regenerated.
7077
deae2a14
DM		 70782008-04-02 David S. Miller <davem@davemloft.net>
7079
7080 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7081 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7082
70752818
ILT		 70832008-04-02 Craig Silverstein <csilvers@google.com>
7084
7085 * TODO: New file.
7086
39d0cb0e
ILT		 70872008-04-02 Ian Lance Taylor <iant@google.com>
7088
7089 * fileread.cc (File_read::find_view): Add byteshift and vshifted
7090 parameters. Update for new key type to views_. Change all
7091 callers.
7092 (File_read::read): Adjust for byteshift in returned view.
7093 (File_read::add_view): New function, broken out of
7094 find_and_make_view.
7095 (File_read::make_view): New function, broken out of
7096 find_and_make_view.
7097 (File_read::find_or_make_view): Add offset and aligned
7098 parameters. Rewrite accordingly. Change all callers.
7099 (File_read::get_view): Add offset and aligned parameters. Adjust
7100 for byteshift in return value.
7101 (File_read::get_lasting_view): Likewise.
7102 * fileread.h (class File_read): Update declarations.
7103 (class File_read::View): Add byteshift_ field. Add byteshift to
7104 constructor. Add byteshift method.
7105 * archive.h (Archive::clear_uncached_views): New function.
7106 (Archive::get_view): Add aligned parameter. Change all callers.
7107 * object.h (Object::get_view): Add aligned parameter. Change all
7108 callers.
7109 (Object::get_lasting_view): Likewise.
7110
7111 * fileread.cc (File_read::release): Don't call clear_views if
7112 there are multiple objects.
7113 * fileread.h (File_read::clear_uncached_views): New function.
7114 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7115 on the archive.
7116
a1207466
CC		 71172008-03-31 Cary Coutant <ccoutant@google.com>
7118
7119 Add thin archive support.
7120 * archive.cc (Archive::armagt): New const.
7121 (Archive::setup): Remove task parameter and calls to unlock.
7122 (Archive::unlock_nested_archives): New function.
7123 (Archive::read_header): Add nested_off parameter. Change
7124 all callers.
7125 (Archive::interpret_header): Likewise.
7126 (Archive::include_all_members): Change to handle thin
7127 archives.
7128 (Archive::include_member): Likewise.
7129 * archive.h (Archive::Archive): Add new parameters and
7130 initializers.
7131 (Archive::armagt): New const.
7132 (Archive::setup): Remove task parameter.
7133 (Archive::unlock_nested_archives): New function.
7134 (Archive::read_header): Add nested_off parameter.
7135 (Archive::interpret_header): Likewise.
7136 (Archive::Nested_archive_table): New typedef.
7137 (Archive::is_thin_archive_): New field.
7138 (Archive::nested_archives_): New field.
7139 (Archive::options_): New field.
7140 (Archive::dirpath_): New field.
7141 (Archive::task_): New field.
7142 * readsyms.cc (Read_symbols::do_read_symbols): Add check
7143 for thin archives. Pass additional parameters to
7144 Archive::Archive. Unlock the archive file after calling
7145 Archive::setup.
cd536b21 7146
479f6503
ILT		 71472008-03-29 Ian Lance Taylor <iant@google.com>
7148
686c8caf
ILT		 7149 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7150 version symbol to be local.
7151 * testsuite/ver_test_4.sh: New file.
7152 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7153 (check_DATA): Add ver_test_4.syms.
7154 (ver_test_4.syms): New target.
7155 * testsuite/Makefile.in: Rebuild.
7156
ab794b6b
ILT		 7157 * output.cc
7158 (Output_section::Input_section_sort_entry::has_priority): New
7159 function.
7160 (Output_section::Input_section_sort_entry::match_file_name): New
7161 function.
7162 (Output_section::Input_section_sort_entry::match_section_name):
7163 Remove.
7164 (Output_section::Input_section_sort_entry::match_section_name_prefix):
7165 Remove.
7166 (Output_section::Input_section_sort_entry::match_section_file):
7167 Remove.
7168 (Output_section::Input_section_sort_compare::operator()): Rewrite
7169 using new Input_section_sort_entry functions. Sort crtbegin and
7170 crtend first. Sort sections with no priority before sections with
7171 a priority.
7172 * testsuite/initpri1.c (d3): Check j != 4.
7173 (cd5): New constructor/destructor function.
7174 (main): Check j != 2.
7175
479f6503
ILT		 7176 * symtab.cc (Symbol_table::add_from_object): If we don't use the
7177 new symbol when resolving, don't call set_is_default.
7178 * testsuite/ver_test_7.cc: New file.
7179 * testsuite/ver_test_7.sh: New file.
7180 * testsuite/Makefile.am (ver_test_7.so): New target.
7181 (ver_test_7.o): New target.
7182 (check_SCRIPTS): Add ver_test_7.sh.
7183 (check_DATA): Add ver_test_7.syms.
7184 (ver_test_7.syms): New target.
7185
2fd32231
ILT		 71862008-03-28 Ian Lance Taylor <iant@google.com>
7187
7188 * layout.cc (Layout::layout): If we see an input section with a
7189 name that needs sorting, set the must_sort flag for the output
7190 section.
7191 (Layout::make_output_section): If the name of the output section
7192 indicates that it might require sorting, set the may_sort flag.
7193 * output.h (Output_section::may_sort_attached_input_sections): New
7194 function.
7195 (Output_section::set_may_sort_attached_input_sections): New
7196 function.
7197 (Output_section::must_sort_attached_input_sections): New
7198 function.
7199 (Output_section::set_must_sort_attached_input_sections): New
7200 function.
7201 (class Output_section): Declare Input_section_sort_entry. Define
7202 Input_section_sort_compare. Declare
7203 sort_attached_input_sections. Add new fields:
7204 may_sort_attached_input_sections_,
7205 must_sort_attached_input_sections_,
7206 attached_input_sections_are_sorted_.
7207 * output.cc (Output_section::Output_section): Initialize new
7208 fields.
7209 (Output_section::add_input_section): Add an entry to
7210 input_sections_ if may_sort or must_sort are true.
7211 (Output_section::set_final_data_size): Call
7212 sort_attached_input_sections if necessary.
7213 (Output_section::Input_section_sort_entry): Define new class.
7214 (Output_section::Input_section_sort_compare::operator()): New
7215 function.
7216 (Output_section::sort_attached_input_sections): New function.
7217 * configure.ac: Check whether the compiler supports constructor
7218 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
7219 * testsuite/initpri1.c: New file.
7220 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7221 CONSTRUCTOR_PRIORITY.
7222 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7223 (initpri1_LDFLAGS): New variable.
7224 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7225
18e6b24e
ILT		 72262008-03-27 Ian Lance Taylor <iant@google.com>
7227
49bdd526
ILT		 7228 * common.cc (Sort_commons::operator): Correct sorting algorithm.
7229 * testsuite/common_test_1.c: New file.
7230 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7231 (common_test_1_SOURCES): New variable.
7232 (common_test_1_DEPENDENCIES): New variable.
7233 (common_test_1_LDFLAGS): New variable.
7234
18e6b24e
ILT		 7235 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7236 and commons_ correctly when NAME/VERSION does not override
7237 NAME/NULL.
7238 * testsuite/ver_test_6.c: New file.
7239 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7240 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7241 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7242
04bf7072
ILT		 72432008-03-26 Ian Lance Taylor <iant@google.com>
7244
5871526f
ILT		 7245 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7246 of an undefined symbol from a version script.
7247 * testsuite/Makefile.am (ver_test_5.so): New target.
7248 (ver_test_5.o): New target.
7249 (check_SCRIPTS): Add ver_test_5.sh.
7250 (check_DATA): Add ver_test_5.syms.
7251 (ver_test_5.syms): New target.
7252 * testsuite/ver_test_5.cc: New file.
7253 * testsuite/ver_test_5.script: New file.
7254 * testsuite/ver_test_5.sh: New file.
7255 * Makefile.in, testsuite/Makefile.in: Rebuild.
7256
04bf7072
ILT		 7257 PR gold/5986
7258 Fix problems building gold with gcc 4.3.0.
7259 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7260 (gold_error_at_location, gold_warning_at_location): Use it.
7261 * configure.ac: Check whether we can compile and use a template
7262 function with a printf attribute.
7263 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7264 when jumping over bytes.
7265 * object.cc: Instantiate Object::read_section_data.
7266 * debug.h: Include <cstring>
7267 * dwarf_reader.cc: Include <algorithm>
7268 * main.cc: Include <cstring>.
7269 * options.cc: Include <cstring>.
7270 * output.cc: Include <cstring>.
7271 * script.cc: Include <cstring>.
7272 * script.h: Include <string>.
7273 * symtab.cc: Include <cstring> and <algorithm>.
7274 * target-select.cc: Include <cstring>.
7275 * version.cc: Include <string>.
7276 * testsuite/testmain.cc: Include <cstdlib>.
7277 * configure, config.in: Rebuild.
7278
874c5b28
ILT		 72792008-03-25 Ian Lance Taylor <iant@google.com>
7280
819d6c3a
ILT		 7281 * options.cc: Include "../bfd/bfdver.h".
7282 (options::help): Print bug reporting address.
7283
f4b2c6f5
ILT		 7284 * version.cc (print_version): Adjust output for current value of
7285 BFD_VERSION_STRING.
7286
7287 * NEWS: New file.
7288
e96caa79
ILT		 7289 * options.cc (options::help): Print list of supported targets.
7290 * target-select.h: Include <vector>.
7291 (class Target_selector): Make machine_, size_, and is_big_endian_
7292 fields const. Add bfd_name_ and instantiated_target_ fields.
7293 (Target_selector::Target_selector): Add bfd_name parameter.
7294 (Target_selector::recognize): Make non-virtual, call
7295 do_recognize.
7296 (Target_selector::recognize_by_name): Make non-virtual, call
7297 do_recognize_by_name.
7298 (Target_selector::supported_names): New function.
7299 (Target_selector::bfd_name): New function.
7300 (Target_selector::do_instantiate_target): New pure virtual
7301 function.
7302 (Target_selector::do_recognize): New virtual function.
7303 (Target_selector::do_recognize_by_name): New virtual function.
7304 (Target_selector::instantiate_target): New private function.
7305 (supported_target_names): Declare.
7306 * target-select.cc (Target_selector::Target_selector): Update for
7307 new parameter and fields.
7308 (select_target_by_name): Check that the name matches before
7309 calling recognize_by_name.
7310 (supported_target_names): New function.
7311 * i386.cc (class Target_selector_i386): Update Target_selector
7312 constructor call. Remove recognize and recognize_by_name. Add
7313 do_instantiate_target.
7314 * x86_64.cc (class Target_selector_x86_64): Likewise.
7315 * testsuite/testfile.cc (class Target_selector_test): Update for
7316 changes to Target_selector.
7317
874c5b28
ILT		 7318 * README: Rewrite, with some notes on unsupported features.
7319
0a65a3a7
CC		 73202008-03-24 Cary Coutant <ccoutant@google.com>
7321
7322 * i386.cc (Target_i386::Got_type): New enum declaration.
7323 (Target_i386::Scan::local): Updated callers of Output_data_got
7324 member functions.
7325 (Target_i386::Scan::global): Likewise.
7326 (Target_i386::Relocate::relocate): Likewise.
7327 (Target_i386::Relocate::relocate_tls): Likewise.
7328 * object.h (Got_offset_list): New class.
7329 (Sized_relobj::local_has_got_offset): Added got_type parameter.
7330 (Sized_relobj::local_got_offset): Likewise.
7331 (Sized_relobj::set_local_got_offset): Likewise.
7332 (Sized_relobj::local_has_tls_got_offset): Removed.
7333 (Sized_relobj::local_tls_got_offset): Removed.
7334 (Sized_relobj::set_local_tls_got_offset): Removed.
7335 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7336 * output.cc (Output_data_got::add_global): Added got_type parameter.
7337 (Output_data_got::add_global_with_rel): Likewise.
7338 (Output_data_got::add_global_with_rela): Likewise.
7339 (Output_data_got::add_global_pair_with_rel): New function.
7340 (Output_data_got::add_global_pair_with_rela): New function.
7341 (Output_data_got::add_local): Added got_type parameter.
7342 (Output_data_got::add_local_with_rel): Likewise.
7343 (Output_data_got::add_local_with_rela): Likewise.
7344 (Output_data_got::add_local_pair_with_rel): New function.
7345 (Output_data_got::add_local_pair_with_rela): New function.
7346 (Output_data_got::add_global_tls): Removed.
7347 (Output_data_got::add_global_tls_with_rel): Removed.
7348 (Output_data_got::add_global_tls_with_rela): Removed.
7349 (Output_data_got::add_local_tls): Removed.
7350 (Output_data_got::add_local_tls_with_rel): Removed.
7351 (Output_data_got::add_local_tls_with_rela): Removed.
7352 * output.h (Output_data_got::add_global): Added got_type parameter.
7353 (Output_data_got::add_global_with_rel): Likewise.
7354 (Output_data_got::add_global_with_rela): Likewise.
7355 (Output_data_got::add_global_pair_with_rel): New function.
7356 (Output_data_got::add_global_pair_with_rela): New function.
7357 (Output_data_got::add_local): Added got_type parameter.
7358 (Output_data_got::add_local_with_rel): Likewise.
7359 (Output_data_got::add_local_with_rela): Likewise.
7360 (Output_data_got::add_local_pair_with_rel): New function.
7361 (Output_data_got::add_local_pair_with_rela): New function.
7362 (Output_data_got::add_global_tls): Removed.
7363 (Output_data_got::add_global_tls_with_rel): Removed.
7364 (Output_data_got::add_global_tls_with_rela): Removed.
7365 (Output_data_got::add_local_tls): Removed.
7366 (Output_data_got::add_local_tls_with_rel): Removed.
7367 (Output_data_got::add_local_tls_with_rela): Removed.
7368 * resolve.cc (Symbol::override_base_with_special): Removed
7369 reference to has_got_offset_ field.
7370 * symtab.cc (Symbol::init_fields): Replaced initialization
7371 of got_offset_ with got_offsets_. Removed initialization
7372 of has_got_offset_
53fcba31 7373 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 7374 (Symbol::got_offset): Likewise.
7375 (Symbol::set_got_offset): Likewise.
7376 (Symbol::has_tls_got_offset): Removed.
7377 (Symbol::tls_got_offset): Removed.
7378 (Symbol::set_tls_got_offset): Removed.
7379 (Symbol::got_offset_): Removed.
7380 (Symbol::tls_mod_got_offset_): Removed.
7381 (Symbol::tls_pair_got_offset_): Removed.
7382 (Symbol::got_offsets_): New field.
7383 (Symbol::has_got_offset): Removed.
7384 (Symbol::has_tls_mod_got_offset): Removed.
7385 (Symbol::has_tls_pair_got_offset): Removed.
7386 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7387 (Target_x86_64::Scan::local): Updated callers of Output_data_got
7388 member functions.
7389 (Target_x86_64::Scan::global): Likewise.
7390 (Target_x86_64::Relocate::relocate): Likewise.
7391 (Target_x86_64::Relocate::relocate_tls): Likewise.
7392
bd52eafb
BE		 73932008-03-25 Ben Elliston <bje@au.ibm.com>
7394
7395 * yyscript.y: Fix spelling error in comment.
7396
8b105e34
ILT		 73972008-03-24 Ian Lance Taylor <iant@google.com>
7398
8ed814a9
ILT		 7399 * options.h (class General_options): Define build_id option.
7400 * layout.h (class Layout): Declare write_build_id, create_note,
7401 create_build_id. Add build_id_note_ member.
7402 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7403 "libiberty.h", "md5.h", "sha1.h".
7404 (Layout::Layout): Initialize eh_frame_data_,
7405 eh_frame_hdr_section_, and build_id_note_.
7406 (Layout::finalize): Call create_build_id.
7407 (Layout::create_note): New function, broken out of
7408 Layout::create_gold_note.
7409 (Layout::create_gold_note): Call create_note.
7410 (Layout::create_build_id): New function.
7411 (Layout::write_build_id): New function.
7412 (Close_task_runner::run): Call write_build_id.
7413
8b105e34
ILT		 7414 * x86_64.cc: Correct license to GPLv3.
7415
086a1841
ILT		 74162008-03-23 Ian Lance Taylor <iant@google.com>
7417
7418 * options.cc: Include "demangle.h".
7419 (parse_optional_string): New function.
7420 (parse_long_option): Handle takes_optional_argument.
7421 (parse_short_option): Update dash_z initializer. Handle
7422 takes_optional_argument.
7423 (General_options::General_options): Initialize do_demangle_.
7424 (General_options::finalize): Set do_demangle_. Handle demangling
7425 style.
7426 * options.h (parse_optional_string): Declare.
7427 (struct One_option): Add optional_arg field. Update constructor.
7428 Update call constructor calls. Add takes_optional_argument
7429 function.
7430 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
7431 (DEFINE_optional_string): Define.
7432 (General_options::demangle): Change from DEFINE_bool to
7433 DEFINE_optional_string.
7434 (General_options::no_demangle): New function.
7435 (General_options::do_demangle): New function.
7436 (General_options::set_do_demangle): New function.
7437 (General_options::execstack_status_): Move definition to end of
7438 class definition.
7439 (General_options::static_): Likewise.
7440 (General_options::do_demangle_): New field.
7441 * object.cc (big_endian>::get_symbol_location_info): Call
7442 Options::do_demangle, not Options::demangle.
7443 * symtab.cc (demangle): Likewise.
7444
cbb93e63
ILT		 74452008-03-22 Ian Lance Taylor <iant@google.com>
7446
7447 * gold.h: Include <cstddef> and <sys/types.h>
7448 * options.h: Include <cstring>.
7449
ec531623
ILT		 74502008-03-21 Ian Lance Taylor <iant@google.com>
7451
7452 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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