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fix set but unused variable warnings
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
8a75a161
DK		 12010-06-25 Doug Kwan <dougkwan@google.com>
2
3 * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
4 (Target_arm::section_may_have_icf_unsafe_pointers): New method
5 definition.
6 (Target_arm::Scan::local_reloc_may_be_function_pointer,
7 Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
8 target hook to detect function points.
9 (Target_arm::Scan::possible_function_pointer_reloc): New method.
10 * icf.h (Icf::check_section_for_function_pointers): Change type of
11 parameter SECTION_NAME to const reference to std::string. Use
12 target hook to determine if section may have unsafe pointers.
13 * target.h (Target::section_may_have_icf_unsafe_pointers): New
14 method definition.
15
42218b9f
RÁE		 162010-06-21 Rafael Espindola <espindola@google.com>
17
18 * fileread.cc (Input_file::find_fie): New
19 (Input_file::open): Use Input_file::find_fie.
20 * fileread.h (Input_file::find_fie): New
21 * plugin.cc (set_extra_library_path): New.
22 (Plugin::load): Add set_extra_library_path to the transfer vector.
23 (Plugin_manager::set_extra_library_path): New.
24 (Plugin_manager::add_input_file): Use the extra search path if set.
25 (set_extra_library_path(): New.
26 * plugin.h (Plugin_manager): Add set_extra_library_path and
27 extra_search_path_.
28
a0506cca
CC		 292010-06-19 Cary Coutant <ccoutant@google.com>
30
31 * layout.cc (gdb_sections): Add .debug_types.
32 (lines_only_debug_sections): Likewise.
33
6508b958
RÁE		 342010-06-18 Rafael Espindola <espindola@google.com>
35
36 * plugin.cc (add_input_file,add_input_library)
37 (Plugin_manager::add_input_file): Make filename arguments const.
38 * plugin.h (Plugin_manager::add_input_file): Make filename arguments
39 const.
40
3e235302
DK		 412010-06-16 Doug Kwan <dougkwan@google.com>
42
43 * arm.cc (Target_arm::do_finalize_sections): Do not emit an
44 .ARM.attributes section if we have not merged any input
45 attributes sections.
46
106e8a6c
DK		 472010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
48
49 * arm.cc: Allow combining objects with no EABI version
50 information.
51
91ff43fe
RÁE		 522010-06-15 Rafael Espindola <espindola@google.com>
53
54 * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
55
68ed838c
ILT		 562010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
57
58 * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
59 (struct iovec): Correct !HAVE_READV definition.
60
f3a2388f
CC		 612010-06-10 Cary Coutant <ccoutant@google.com>
62
63 * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
64 (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
65 reloc sections.
66 * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
67
68 PR 11683
69 * symtab.h (Symbol::is_placeholder): New member function.
70 * target-reloc.h (relocate_section): Check for placeholder symbols.
71
72 * testsuite/Makefile.am (plugin_test_8): New test.
73 (plugin_test_9): New test.
74 * testsuite/Makefile.in: Regenerate.
75
e1df38aa
NC		 762010-06-09 Nick Clifton <nickc@redhat.com>
77
78 * yyscript.y (input_list_element): Allow strings prefixed with
79 the '-' character. Treat these as libraries.
80 * script.cc (script_add_library): New function. Adds a library
81 specified by "-l<name>" found in an input script.
82 * script-c.h: Add prototype for script_add_library.
83
25bbe950
DK		 842010-06-07 Doug Kwan <dougkwan@google.com>
85
86 * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
87 Restrict stub-group size to be within long conditional branch
88 range when working around cortex-A8 erratum.
89
0f32ea4c
ILT		 902010-06-07 Damien Diederen <dd@crosstwine.com>
91
92 * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
93 #ifdef typo.
94
8fe2a369
ST		 952010-06-03 Sriraman Tallam <tmsriram@google.com>
96
97 PR gold/11658
98 * output.cc
99 (Output_section::Input_section_sort_entry::compare_section_ordering):
100 Change to return non-zero correctly.
101 (Output_section::Input_section_sort_section_order_index_compare
102 ::operator()): Change to fix ambiguity in comparisons.
103
6e9ba2ca
ST		 1042010-06-01 Sriraman Tallam <tmsriram@google.com>
105
106 * gold.h (is_wildcard_string): New function.
107 * layout.cc (Layout::layout): Pass this pointer to add_input_section.
108 (Layout::layout_eh_frame): Ditto.
109 (Layout::find_section_order_index): New method.
110 (Layout::read_layout_from_file): New method.
111 * layout.h (Layout::find_section_order_index): New method.
112 (Layout::read_layout_from_file): New method.
113 (Layout::input_section_position_): New private member.
114 (Layout::input_section_glob_): New private member.
115 * main.cc (main): Call read_layout_from_file here.
116 * options.h (--section-ordering-file): New option.
117 * output.cc (Output_section::input_section_order_specified_): New
118 member.
119 (Output_section::Output_section): Initialize new member.
120 (Output_section::add_input_section): Add new parameter.
121 Keep input sections when --section-ordering-file is used.
122 (Output_section::set_final_data_size): Sort input sections when
123 section ordering file is specified.
124 (Output_section::Input_section_sort_entry): Add new parameter.
125 Check sorting type.
126 (Output_section::Input_section_sort_entry::compare_section_ordering):
127 New method.
128 (Output_section::Input_section_sort_compare::operator()): Change to
129 consider section_order_index.
130 (Output_section::Input_section_sort_init_fini_compare::operator()):
131 Change to consider section_order_index.
132 (Output_section::Input_section_sort_section_order_index_compare
133 ::operator()): New method.
134 (Output_section::sort_attached_input_sections): Change to sort
135 according to section order when specified.
e1df38aa
NC		 136 (Output_section::add_input_section<32, true>): Add new parameter.
137 (Output_section::add_input_section<64, true>): Add new parameter.
138 (Output_section::add_input_section<32, false>): Add new parameter.
139 (Output_section::add_input_section<64, false>): Add new parameter.
6e9ba2ca
ST		 140 * output.h (Output_section::add_input_section): Add new parameter.
141 (Output_section::input_section_order_specified): New
142 method.
143 (Output_section::set_input_section_order_specified): New method.
144 (Input_section::Input_section): Initialize section_order_index_.
145 (Input_section::section_order_index): New method.
146 (Input_section::set_section_order_index): New method.
147 (Input_section::section_order_index_): New member.
148 (Input_section::Input_section_sort_section_order_index_compare): New
149 struct.
150 (Output_section::input_section_order_specified_): New member.
151 * script-sections.cc (is_wildcard_string): Delete and move modified
152 method to gold.h.
153 (Output_section_element_input::Output_section_element_input): Modify
154 call to is_wildcard_string.
155 (Output_section_element_input::Input_section_pattern
156 ::Input_section_pattern): Ditto.
157 (Output_section_element_input::Output_section_element_input): Ditto.
158 * testsuite/Makefile.am (final_layout): New test case.
159 * testsuite/Makefile.in: Regenerate.
160 * testsuite/final_layout.cc: New file.
161 * testsuite/final_layout.sh: New file.
162
3537c84b
RÁE		 1632010-06-01 Rafael Espindola <espindola@google.com>
164
165 * plugin.cc (Plugin::load): Pass the output name to the plugin.
166
105b6afd
RÁE		 1672010-06-01 Rafael Espindola <espindola@google.com>
168
169 * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
170 visibility of symbols.
171
29e11421
DK		 1722010-05-27 Doug Kwan <dougkwan@google.com>
173
174 * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
175 from start of output section instead of address for a local symbol
176 in a merged or relaxed section when doing a relocatable link.
177
5e0f337e
RÁE		 1782010-05-26 Rafael Espindola <espindola@google.com>
179
180 PR 11604
181 * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
182 adding sections the garbage collector removed.
183 * gold/testsuite/Makefile.am: Add test.
184 * gold/testsuite/Makefile.in: Regenerate.
185 * gold/testsuite/plugin_test_7.sh: New.
186 * gold/testsuite/plugin_test_7_1.c: New.
187 * gold/testsuite/plugin_test_7_2.c: New.
188
f4187277
RÁE		 1892010-05-26 Rafael Espindola <espindola@google.com>
190
191 * script-sections.cc (Output_section_definition::set_section_addresses):
192 Check for --section-start.
193
5c388529
DK		 1942010-05-26 Doug Kwan <dougkwan@google.com>
195
196 * arm.cc (Arm_scan_relocatable_relocs): New class.
197 (Target_arm::relocate_special_relocatable): New method.
198 (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
199 (Arm_relocate_functions::thumb_branch_common): Same.
200 (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
201 instead of Default_scan_relocatable_relocs.
202 * target-reloc.h (relocate_for_relocatable): Let target handle
203 relocation strategy Relocatable_relocs::RELOC_SPECIAL.
204 * target.h (Sized_target::relocate_special_relocatable): New method.
205
bca1c3ae
ILT		 2062010-05-25 Viktor Kutuzov <vkutuzov@accesssoftek.com>
207
208 * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
209
0439c796
DK		 2102010-05-23 Doug Kwan <dougkwan@google.com>
211
212 * arm.cc (Arm_input_section::do_output_offset): Use convert_types
213 instead of a cast.
214 (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
215 with a direct branch, not a conditional branch, to a stub.
216 * merge.cc (Output_merge_base::record_input_section): New method
217 defintion.
218 (Output_merge_data::do_add_input_section): Record input section if
219 keeps-input-sections flag is set.
220 (Output_merge_string::do_add_input_section): Ditto.
221 * merge.h (Output_merge_base::Output_merge_base): Initialize new data
222 members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
223 INPUT_SECTIONS_.
224 (Output_merge_base::keeps_input_sections,
225 Output_merge_base::set_keeps_input_sections,
226 Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
227 method definitions.
228 (Output_merge_base::Input_sections): New type declaration.
229 (Output_merge_base::input_sections_begin,
230 Output_merge_base::input_sections_end,
231 Output_merge_base::do_set_keeps_input_sections): New method definitions.
232 (Output_merge_base::bool keeps_input_sections_,
233 Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
234 Output_merge_base::input_sections_): New data members.
235 (Output_merge_data::do_set_keeps_input_sections): New method
236 defintion.
237 (Output_merge_string::do_set_keeps_input_sections): Ditto.
238 * output.cc (Output_section::Input_section::relobj): Move method
239 defintion from class declaration to here and handle merge sections.
240 (Output_section::Input_section::shndx): Ditto.
241 (Output_section::Output_section): Remove initializations of removed
242 data members and initialize new data member LOOKUP_MAPS_.
243 (Output_section::add_input_section): Set keeps-input-sections flag
244 for a newly created merge output section as appropriate. Adjust code
245 to use Output_section_lookup_maps class.
246 (Output_section::add_relaxed_input_section): Adjst code for lookup
247 maps code refactoring.
248 (Output_section::add_merge_input_section): Add a new parameter
249 KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps
250 class. If adding input section to a newly created merge output
251 section fails, remove the new merge section.
252 (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
e1df38aa 253 Adjust code for use of the Output_section_lookup_maps class.
0439c796
DK		 254 (Output_section::find_merge_section): Ditto.
255 (Output_section::build_lookup_maps): New method defintion.
256 (Output_section::find_relaxed_input_section): Adjust code to use
257 Output_section_lookup_maps class.
258 (Output_section::get_input_sections): Export merge sections. Adjust
259 code to use Output_section_lookup_maps class.
260 (Output_section:::add_script_input_section): Adjust code to use
261 Output_section_lookup_maps class. Update lookup maps for merge
262 sections also.
263 (Output_section::discard_states): Use Output_section_lookup_maps.
264 (Output_section::restore_states): Same.
265 * output.h (Merge_section_properties): Move class defintion out of
266 Output_section.
267 (Output_section_lookup_maps): New class.
268 (Output_section::Input_section::is_merge_section): New method
269 defintion.
270 (Output_section::Input_section::relobj): Move defintion out of class
271 defintion. Declare method only.
272 (Output_section::Input_section::shndx): Ditto.
273 (Output_section::Input_section::output_merge_base): New method defintion.
274 (Output_section::Input_section::u2_.pomb): New union field.
275 (Output_section::Merge_section_by_properties_map,
276 Output_section::Output_section_data_by_input_section_map,
277 Output_section::Ouptut_relaxed_input_section_by_input_section_map):
278 Remove types.
279 (Output_section::add_merge_input_section): Add new parameter
280 KEEPS_INPUT_SECTIONS.
281 (Output_section::build_lookup_maps): New method declaration.
282 (Output_section::merge_section_map_,
283 Output_section::merge_section_by_properties_map_,
284 Output_section::relaxed_input_section_map_,
285 Output_section::is_relaxed_input_section_map_valid_): Remove data
286 members.
287 (Output_section::lookup_maps_): New data member.
288
76295588
L		 2892010-05-21 Doug Kwan <dougkwan@google.com>
290
291 PR gold/11619
292 * arm.cc (Arm_input_section::do_output_offset): Add a cast to
293 avoid a compilation error.
294
d103a984
RÁE		 2952010-05-19 Rafael Espindola <espindola@google.com>
296
297 * script-sections.cc (Output_section_definition::allocate_to_segment):
298 Update the phdrs_list even when the output section is NULL.
299 * testsuite/Makefile.am: Add test.
300 * testsuite/Makefile.in: Regenerate.
301 * testsuite/script_test_9.cc: New.
302 * testsuite/script_test_9.sh: New.
303 * testsuite/script_test_9.t: New.
304
6625d24e
DK		 3052010-05-19 Doug Kwan <dougkwan@google.com>
306
307 * arm.cc (Arm_input_section::original_size): New method.
308 (Arm_input_section::do_addralign): Add a cast.
309 (Arm_input_section::do_output_offset): Remove static cast.
310 (Arm_input_section::original_addralign,
311 Arm_input_section::original_size_): Change type to uint32_t.
312 (Arm_input_section::init): Add safe casts for section alignment
313 and size.
314 (Arm_input_section::set_final_data_size): Do not set address and
315 offset of stub table.
316 (Arm_output_section::fix_exidx_coverage): Change use of of
317 Output_section::Simple_input_section to that of
318 Output_section::Input_section.
319 (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
320 except for the first pass.
321 * output.cc (Output_section::get_input_sections): Change type of
322 input_sections to std::list<Input_section>.
323 (Output_section::add_script_input_section): Rename from
324 Output_section::add_simple_input_section. Change type of SIS
325 parameter from Simple_input_section to Input_section.
326 * output.h (Output_section::Simple_input_section): Remove class.
327 (Output_section::Input_section): Change class visibility to public.
328 (Output_section::Input_section::addralign): Use stored alignments
329 for special input sections if set.
330 (Output_section::Input_section::set_addralign): New method.
331 (Output_section::get_input_sections): Change parameter type from
332 list of Simple_input_section to list of Input_section.
333 (Output_section::add_script_input_section): Rename from
334 Output_section::add_simple_input_section. Change first parameter's
335 type from Simple_input_section to Input_section and remove the
336 second and third parameters.
337 * script-sections.cc (Input_section::Input_section_list): Change
338 type to list of Output_section::Input_section/
339 (Input_section_info::Input_section_info): Change parameter type of
340 INPUT_SECTION to Output_section::Input_section.
341 (Input_section_info::input_section): Change return type.
342 (Input_section_info::input_section_): Change type to
343 Output_section::Input_section.
344 (Output_section_element_input::set_section_addresses): Adjust code
345 to use Output_section::Input_section instead of
346 Output_section::Simple_input_section. Adjust code for renaming
347 of Output_section::add_simple_input_section.
348 (Orphan_output_section::set_section_addresses): Ditto.
349
e1e82ea4
RW		 3502010-05-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
351
352 * gold.h (Unordered_multimap, Unordered_map): Fix defines for
353 when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
354
91e75c8a
RÁE		 3552010-05-18 Rafael Espindola <espindola@google.com>
356
357 * options.cc (General_options::finalize): Handle -nostdlib.
358 * options.h (nostdlib): New option.
359 * script.cc (script_add_search_dir): Handle -nostdlib.
360
da59ad79
DK		 3612010-05-12 Doug Kwan <dougkwan@google.com>
362
363 * arm.cc (Target_arm::do_finalize_sections): Create an empty
364 attributes section only if there no attributes section after merging.
365 (Target_arm::merge_object_attributes): Move value of
e1df38aa 366 Tag_MPextension_use_legacy to that of Tag_MPextension_use.
da59ad79
DK		 367 Handle Tag_DIV_use and Tag_MPextension_use_legacy.
368 * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
369 (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
370 and arm_attr_merge_7.stdout.
371 (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
372 arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
373 arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
374 arm_attr_merge_7b.o): New rules.
375 (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
376 arm_attr_merge_7
377 * testsuite/Makefile.in: Regenerate.
378 * testsuite/arm_attr_merge.sh: New file.
379 * testsuite/arm_attr_merge_[67][ab].s: Same.
380
3e01a7fd
NC		 3812010-05-05 Nick Clifton <nickc@redhat.com>
382
383 * po/es.po: Updated Spanish translation.
384
7ad2014a
L		 3852010-04-27 H.J. Lu <hongjiu.lu@intel.com>
386
387 * Makefile.am (install-exec-local): Properly install gold as
388 default cross linker.
389 * Makefile.in: Regenerated.
390
4fda8867
NC		 3912010-04-27 H.J. Lu <hongjiu.lu@intel.com>
392 Nick Clifton <nickc@redhat.com>
393
394 * configure.ac (install_as_default): Define and set to false
395 unless --enable-gold or --enable-gold=both/gold has been
396 specified.
397 * configure: Regenerate.
398
399 * Makefile.am (install-exec-local): Install the executable as
400 'ld.gold'. If install_as_default is true then also install it as
401 'ld'.
402 * Makefile.in: Regenerated.
403
bd288ea2
ILT		 4042010-04-24 Ian Lance Taylor <iant@google.com>
405
406 * layout.cc (Layout::layout_reloc): In relocatable link don't
407 combine reloc sections for grouped sections.
408
ef38fd8a
ST		 4092010-04-23 Sriraman Tallam <tmsriram@google.com>
410
411 * gc.h (gc_process_relocs): Pass information on relocs pointing to
412 sections that are not ordinary to icf.
413 * icf.cc (get_section_contents): Handle relocation pointing to section
414 with no object or shndx information.
415 * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
416 * testsuite/Makefile.in: Regenerate.
417 * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
418 * testsuite/icf_virtual_function_folding_test.sh: Delete file.
419
f6973bdc
ILT		 4202010-04-22 Ian Lance Taylor <iant@google.com>
421
422 * expression.cc (Expression::Expression_eval_info): Add
423 result_alignment_pointer field.
424 (Expression::eval_with_dot): Add result_alignment_pointer
425 parameter. Change all callers.
426 (Expression::eval_maybe_dot): Likewise.
427 (class Binary_expression): Add alignment_pointer parameter to
428 left_value and right_value. Change all callers.
429 (BINARY_EXPRESSION): Set result alignment.
430 (class Trinary_expression): Add alignment_pointer parameter to
431 arg2_value and arg3_value. Change all callers.
432 (Trinary_cond::value): Set result alignment.
433 (Max_expression::value, Min_expression::value): Likewise.
434 (Align_expression::value): Likewise.
435 * script-sections.cc (class Sections_element): Add dot_alignment
436 parameter to set_section_addresses virtual function. Update
437 instantiations.
438 (class Output_section_element): Likewise.
439 (Script_sections::create_segments): Add dot_alignment parameter.
440 Change all callers.
441 (Script_sections::create_segments_from_phdrs_clause): Likewise.
442 (Script_sections::set_phdrs_clause_addresses): Likewise.
443 * script-sections.h: Update declarations.
444 * script.h: Update declarations.
445 * output.h (Output_segment::set_minimum_p_align): Don't decrease
446 min_p_align.
447 * testsuite/script_test_3.t: Set large alignment.
448 * testsuite/script_test_3.sh: Make sure that at least one LOAD
449 segment has expected alignment.
450
9c9c98a5
NC		 4512010-04-22 Nick Clifton <nickc@redhat.com>
452
453 * po/gold.pot: Updated by the Translation project.
454 * po/vi.po: Updated Vietnamese translation.
455
2253bfba
L		 4562010-04-22 H.J. Lu <hongjiu.lu@intel.com>
457
458 * testsuite/Makefile.am (check_PROGRAMS): Add
459 icf_virtual_function_folding_test.
460 * testsuite/Makefile.in: Regenerated.
461
85fdf906
AH		 4622010-04-15 Andrew Haley <aph@redhat.com>
463
464 * options.h (merge_exidx_entries): New option.
465 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
466 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
467 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
468 (Target_arm::merge_exidx_entries): New function.
469 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
470 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
471 to Arm_exidx_fixup constructor.
472 Add new arg, merge_exidx_entries.
473 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
474 Arm_output_section::fix_exidx_coverage.
475
ce97fa81
ST		 4762010-04-18 Sriraman Tallam <tmsriram@google.com>
477
478 * icf.cc (get_section_contents): Check for preemptible functions.
479 Ignore addend when appropriate.
480 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
481 section folded.
482 (add_from_relobj): Check for section folded.
483 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
484 * symtab.h (should_add_dynsym_entry): Add new parameter.
485 * target-reloc.h (scan_relocs): Check for section folded.
486 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
487 Check reloc types for function pointers in shared objects.
488 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
489 case.
490 (icf_preemptible_functions_test): New test case.
491 (icf_string_merge_test): New test case.
492 * testsuite.Makefile.in: Regenerate.
493 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
494 bar_glob. Refactor code.
495 * testsuite/icf_preemptible_functions_test.cc: New file.
496 * testsuite/icf_preemptible_functions_test.sh: New file.
497 * testsuite/icf_string_merge_test.cc: New file.
498 * testsuite/icf_string_merge_test.sh: New file.
499 * testsuite/icf_virtual_function_folding_test.cc: New file.
500 * testsuite/icf_virtual_function_folding_test.sh: New file.
501
04ceb17c
DK		 5022010-04-14 Doug Kwan <dougkwan@google.com>
503
504 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
505 for local symbol recounting if we remove a section due to ICF.
506 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
507 there are no regular objects in input.
508
153e7da4
DK		 5092010-04-13 Doug Kwan <dougkwan@google.com>
510
511 * arm.cc (Arm_input_section::set_final_data_size): Compute
512 accurate final data size instead of using current data size.
513
4dbd9faf
DK		 5142010-04-09 Doug Kwan <dougkwan@google.com>
515
516 * layout.cc (Layout::choose_output_section): Handle script section
517 types.
518 (Layout::make_output_section_for_script): Add section type parameter.
519 Handle script section types.
520 * layout.h (Layout::make_output_section_for_script): Add section
521 type parameter.
522 * output.cc (Output_section::Output_section): Initialize data member
523 is_noload_.
524 (Output_section::do_reset_address_and_file_offset): Do not set address
525 to 0 if section is a NOLOAD section.
526 * output.h (Output_section::is_noload): New method.
527 (Output_section::set_is_noload): Ditto.
528 (Output_section::is_noload_): New data member.
529 * script-c.h (Script_section_type): New enum type.
530 (struct Parser_output_section_header): Add new file section_type.
531 * script-sections.cc (Sections_element::output_section_name): Add
532 parameter for returning script section type.
533 (Output_section_definition::output_section_name): Ditto.
534 (Output_section_definition::section_type)P; New method.
535 (Output_section_definiton::script_section_type_name): Ditto.
536 (Output_section_definition::script_section_type_): New data member.
537 (Output_section_definition::Output_section_definition): Initialize
538 data member Output_section_definition::script_section_type_.
539 (Output_section_definition::create_sections): Pass script section type
540 to Layout::make_output_section_for_script.
541 (Output_section_definition::output_section_name): Return script
542 section type to caller.
543 (Output_section_definition::set_section_address): Do not advance
544 dot value and load address if section type is NOLOAD. Set address
545 of NOLOAD sections regardless of section flags.
546 (Output_section_definition::print): Print section type if it is
547 not SCRIPT_SECTION_TYPE_NONE.
548 (Output_section_definition::section_type): New method.
549 (Output_section_definition::script_section_type_name): Ditto.
550 (Script_sections::output_section_name): Add new parameter
551 PSECTION_TYPE for returning script section type. Pass it to
552 section elements. Handle discard sections.
553 (Sort_output_sections::operator()): Handle NOLOAD sections.
554 * script-sections.h (Script_sections::Section_type): New enum type.
555 (Script_sections::output_section_name): Add a new parameter for
556 returning script section type.
557 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
558 INFO and NOLOAD.
559 * yyscript.y (union): Add new field SECTION_TYPE.
560 (COPY, DSECT, INFO, NOLOAD): New tokens.
561 (opt_address_and_section_type): Change type to output_section_header.
562 (section_type): New non-terminal
563 (section_header): Handle section type.
2253bfba 564 (opt_address_and_section_type): Return section type value.
4dbd9faf 565
721ea635
L		 5662010-04-09 H.J. Lu <hongjiu.lu@intel.com>
567
568 * testsuite/plugin_common_test_1.c (foo): Add prototype.
569 * testsuite/plugin_common_test_2.c (foo): Likewise.
570
6bf924b0
DK		 5712010-04-08 Doug Kwan <dougkwan@google.com>
572
573 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
574 Output_merge_data.
575 * output.cc (Output_section::add_merge_input_section): Simplify
576 code and return status of Output_merge_base::add_input_section.
e1df38aa 577 Update merge section map only if Output_merge_base::add_input_section
6bf924b0
DK		 578 returns true.
579
24af6f92
DK		 5802010-04-07 Doug Kwan <dougkwan@google.com>
581
582 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
583 if section is marked as containing instructions but has no mapping
584 symbols.
585 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
586 correct section index.
587 (Arm_relobj::find_linked_text_section): Ditto.
588
00698fc5
CC		 5892010-04-07 Cary Coutant <ccoutant@google.com>
590
591 * archive.cc (include_member): Destroy Read_symbols_data object before
592 releasing file.
593 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
594 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
595 (Read_symbols_data::~Read_symbols_data) New destructor.
596 (Section_relocs::Section_relocs) New constructor.
597 (Section_relocs::~Section_relocs) New destructor.
598 (Read_relocs_data::Read_relocs_data) New constructor.
599 (Read_relocs_data::~Read_relocs_data) New destructor.
600 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
601 pointers to NULL after deleting.
602
7296d933
DK		 6032010-04-07 Doug Kwan <dougkwan@google.com>
604
605 * arm.cc: Replace "endianity" with "endianness" in comments.
606 (Arm_exidx_cantunwind): Ditto.
607 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
608 (Arm_relobj::merge_flags_and_attributes): New method.
609 (Arm_relobj::merge_flags_and_attributes_): New data member.
610 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
611 (Arm_relobj::scan_sections_for_stubs): Ditto.
612 (Arm_relobj::do_read_symbols): Check to see if we really want to
613 merge processor-specific flags and attributes. Exit early if
614 an object is empty except for section names and the undefined symbol.
615 (Target_arm::do_finalize_sections): Move check for ELF format to
616 Arm_relobj::do_read_symbols. Merge processor specific flags and
617 attributes from a regular object only when we have determined that
618 it is aapropriate. Do not create an .ARM.attributes section in
619 output if there is no regular input object.
620 (Target_arm::merge_processor_specific_flags): Check
621 --warn-mismatch before printing any error.
622 (Target_arm::merge_object_attributes): Ditto.
623 * gold.cc (queue_middle_tasks): Handle the case in which there is
624 no regular object in input.
625 * options.cc (General_options::parse_EB): New method.
626 (General_options::parse_EL): Same.
627 (General_options::General_options): Initialize endianness_.
628 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
629 New options.
630 (General_options::Endianness): New enum.
631 (General_options::endianness): New method.
632 (General_options::endianness_): New data member.
633 * parameters.cc (Parameters::set_options): Check target endianness.
634 (Parameters::set_target_once): Ditto.
635 (Parameters::check_target_endianness): New method.
636 (parameters_force_valid_target): If either -EL or -EB is specified,
637 use it to define endianness of default target.
638 * parameters.h (Parameters::check_target_endianness): New method
639 declaration.
640 * target.h (class Target): Change "endianity" to "endianness"
641 in comments.
642
efc8d4f2
RW		 6432010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
644
645 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
646 * configure: Regenerate.
647 * Makefile.in: Regenerate.
648 * testsuite/Makefile.in: Regenerate.
649
be234d88
CC		 6502010-04-06 Cary Coutant <ccoutant@google.com>
651
652 gcc PR lto/42757
653 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
654 prevailing definitions of common symbols.
655 * testsuite/plugin_test_6.sh: New test case.
656 * testsuite/plugin_common_test_1.c: New test case.
657 * testsuite/plugin_common_test_2.c: New test case.
658 * testsuite/Makefile.am (plugin_test_6): New test case.
659 * testsuite/Makefile.in: Regenerate.
660
bd32c6bd
NC		 6612010-04-06 Nick Clifton <nickc@redhat.com>
662
663 * po/vi.po: New Vietnamese translation.
664
323c532f
DK		 6652010-03-30 Doug Kwan <dougkwan@google.com>
666
667 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
668
4fcd97eb
DK		 6692010-03-25 Doug Kwan <dougkwan@google.com>
670
671 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
672 to avoid a conversion warning on a 32-bit host.
673
4ebf39db
ILT		 6742010-03-24 Ian Lance Taylor <iant@google.com>
675
676 * testsuite/script_test_3.t: Add a TLS segment.
677 * testsuite/Makefile.am (check_PROGRAMS): Add
678 tls_phdrs_script_test.
679 (tls_phdrs_script_test_SOURCES): Define.
680 (tls_phdrs_script_test_DEPENDENCIES): Define.
681 (tls_phdrs_script_test_LDFLAGS): Define.
682 (tls_phdrs_script_test_LDADD): Define.
683 * testsuite/Makefile.in: Rebuild.
684
4a599bdd
CC		 6852010-03-23 Cary Coutant <ccoutant@google.com>
686
687 * fileread.cc (find_or_make_view): Fix comment.
688
6c93b22c
ILT		 6892010-03-23 Ian Lance Taylor <iant@google.com>
690
691 * script-sections.cc (class Orphan_section_placement): Define
692 PLACE_TLS and PLACE_TLS_BSS.
693 (Orphan_section_placement::Orphan_section_placement): Initialize
694 new places.
695 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
696 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
697 (tls_script_test_SOURCES): Define.
698 (tls_script_test_DEPENDENCIES): Define.
699 (tls_script_test_LDFLAGS): Define.
700 (tls_script_test_LDADD): Define.
701 * testsuite/Makefile.in: Rebuild.
702
a2c7281b
DK		 7032010-03-22 Doug Kwan <dougkwan@google.com>
704
705 * arm.cc (Arm_relocate_functions::abs8,
706 Arm_relocate_functions::abs16): Use correct check for overflow
707 specified in the ARM ELF specs.
708 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
709 target of a BLX instruction specially.
710 (Reloc_stub::stub_type_for_reloc): Ditto.
711 (Relocate::relocate): Use symbolic names instead of numeric relocation
712 codes to report error.
713 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
714 workaround.
715 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
716 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
717 thumb2_blx_out_of_range.stdout
718 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
719 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
720 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
721 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
722 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
723 thumb2_blx_in_range, thumb2_blx_in_range.o,
724 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
725 thumb2_blx_out_of_range.o): New rules.
726 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
727 thumb2_blx_in_range and thumb2_blx_out_of_range.
728 * testsuite/Makefile.in: Regenerate.
729 * arm_branch_in_range.sh: Add tests for THUMB BLX.
730 * testsuite/thumb_blx_in_range.s: New file.
731 * testsuite/thumb_blx_out_of_range.s: New file.
732
b0193076
RÁE		 7332010-03-22 Rafael Espindola <espindola@google.com>
734
735 * archive.cc (Should_include): Move to archive.h.
736 (should_include_member): Make it a member of Archive.
737 (Lib_group): New.
738 (Add_lib_group_symbols): New.
739 * archive.h: Include options.h.
740 (Archive_member): Moved from Archive.
741 (Should_include): Moved from archive.cc.
742 (Lib_group): New.
743 (Add_lib_group_symbols): New.
744 * dynobj.cc (do_should_include_member): New.
745 * dynobj.h (do_should_include_member): New.
746 * gold.cc (queue_initial_tasks): Update call to queue.
747 * main.cc (main): Print lib group stats.
748 * object.cc (do_should_include_member): New.
749 * object.h: Include archive.h.
750 (Object::should_include_member): New.
751 (Object::do_should_include_member): New.
752 (Sized_relobj::do_should_include_member): New.
753 * options.cc (General_options::parse_start_lib): New.
754 (General_options::parse_end_lib): New.
755 (Input_arguments::add_file): Handle lib groups.
756 (Input_arguments::start_group): Check we are not in a lib.
757 (Input_arguments::start_lib): New.
758 (Input_arguments::end_lib): New.
759 * options.h (General_options): Add start_lib and end_lib.
760 (Input_argument::lib_): New.
761 (Input_argument::lib): New.
762 (Input_argument::is_lib): New.
763 (Input_file_lib): New.
764 (Input_arguments::in_lib_): New.
765 (Input_arguments::in_lib): New.
766 (Input_arguments::start_lib): New.
767 (Input_arguments::end_lib_): New.
768 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
769 in unused members as preempted.
770 (Sized_pluginobj::do_should_include_member): New.
771 * plugin.h (Sized_pluginobj::do_should_include_member): New.
772 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
773 return the blocker.
774 (Read_symbols::do_whole_lib_group): New.
775 (Read_symbols::do_lib_group): New.
776 (Read_symbols::do_read_symbols): Handle lib groups.
777 (Read_symbols::get_name): Handle lib groups.
778 * readsyms.h (Read_symbols): Add an archive member pointer.
779 (Read_symbols::do_whole_lib_group): New.
780 (Read_symbols::do_lib_group): New.
781 (Read_symbols::member_): New.
782 * script.cc (read_input_script): Update call to queue_soon.
783
d099120c
DK		 7842010-03-19 Doug Kwan <dougkwan@google.com>
785
786 * arm.cc (Stub_table::Stub_table): Initialize new data members
787 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
788 (Stub_table::add_reloc_stub): Assign stub offset and update
789 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
790 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
791 New data members.
792 (Stub_table::update_data_size_and_addralign): Use
793 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
794 instead of going over all reloc stubs.
795 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
796 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
797 Stringpool_template::offset_ to size of Stringpool_char.
798 (Stringpool_template::new_key_offset): Remove code to initialize
799 Stringpool_template::offset_.
800 * stringpool.h (Stringpool_template::set_no_zero_null): Set
801 Stringpool_template::offset_ to zero.
802
1aa37384
DK		 8032010-03-15 Doug Kwan <dougkwan@google.com>
804
805 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
806 offset_.
807 (Stringpool_template::new_key_offset): New method.
808 (Stringpool_template::add_string): Assign offsets when adding new
809 strings.
810 (Stringpool_template::set_string_offsets): Do not set string offsets
811 when not optimizing.
812 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
813 member size_.
814 (Chunked_vector::clear): Clear size_.
815 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
816 (Chunked_vector::size): Return size_.
817 (Chunked_vector::push_back): Use size_ to find insert position.
e1df38aa 818 (Chunked_vector::size_): New data member.
1aa37384
DK		 819 (Stringpool_template::set_no_zero_null): Assert string set is empty.
820 (Stringpool_template::new_key_offset): New method declaration.
821 (Stringpool_template::offset_): New data member.
822
b672b057
RÁE		 8232010-03-15 Rafael Espindola <espindola@google.com>
824
825 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
826 Add_symbols' constructor.
827 * readsyms.h (Add_symbols): Remove the input_group member.
828
b6848d3c
ILT		 8292010-03-10 Ian Lance Taylor <iant@google.com>
830
831 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
832 target to ask whether a reference to a symbol requires a stack
833 split.
834 * target.h (Target::is_call_to_non_split): New function.
835 (Target::do_is_call_to_non_split): Declare virtual function.
836 * target.cc: Include "symtab.h".
837 (Target::do_is_call_to_non_split): New function.
838 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
839
a2a5469e
CC		 8402010-03-10 Cary Coutant <ccoutant@google.com>
841
842 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
843 (File_read::open[1]): Remove initial mapping of whole_file_view_.
844 (File_read::open[2]): Add whole_file_view_ to list of views.
845 (File_read::make_view): Remove test of whole_file_view_.
846 (File_read::find_or_make_view): Create whole_file_view_ if
847 necessary.
848 (File_read::clear_views): Replace bool parameter with enum;
849 adjust all callers. Don't delete views with permanent data;
850 do delete cached views and views from archives if
851 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
852 if clearing the corresponding view.
853 * fileread.h (File_read::Clear_views_mode): New enum.
854 (File_read::View::is_permanent_view): New method.
855 (File_read::clear_views): Replace bool parameter
856 with enum; adjust all callers.
857 * options.h (General_options): Change keep_files_mapped option;
858 add map_whole_files.
859 * readsyms.cc (Add_symbols::run): Delete sd_ object before
860 releasing the file.
861 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
862 the file.
863
8861f32b
DM		 8642010-03-10 David S. Miller <davem@davemloft.net>
865
866 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
867
d62d0f5f
ST		 8682010-03-09 Sriraman Tallam <tmsriram@google.com>
869
870 * icf.cc (get_section_contents): Add '@' marker after processing the
871 merge reloc.
872
9177756d
DK		 8732010-03-08 Doug Kwan <dougkwan@google.com>
874
875 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
876 due to a conversion warning.
877 (Arm_relobj::update_output_local_symbol_count): Check for local
878 symbol with unset output index.
879
9e9e071b
ILT		 8802010-03-05 Ian Lance Taylor <iant@google.com>
881
882 * options.h (class General_options): Add --spare-dynamic-tags.
883 * output.cc (Output_data_dynamic::set_final_data_size): Implement
884 --spare-dynamic-tags.
885
a81ee015
ILT		 8862010-03-05 Ian Lance Taylor <iant@google.com>
887
888 * incremental.cc: Include "libiberty.h".
889
44ec90b9
RO		 8902010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
891
892 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
893 function, is_info_ member.
894 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
895 (Versions::Versions): Update caller.
896 (Versions::define_base_version): Likewise.
897 (Versions::add_def): Likewise.
898
0897ed3b
ST		 8992010-03-03 Sriraman Tallam <tmsriram@google.com>
900
901 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
902 (Scan::possible_function_pointer_reloc): New function.
903 (Scan::local_reloc_may_be_function_pointer): Change to call
904 possible_function_pointer_reloc.
905 (Scan::global_reloc_may_be_function_pointer): Ditto.
906 * icf.h (Icf::check_section_for_function_pointers): Change to reject
907 relocations in ".data.rel.ro._ZTV" section.
908 * testsuite/icf_safe_so_test.sh: Change to pass i386.
909 * testsuite/icf_safe_so_test.cc: Ditto.
910 * testsuite/icf_safe_test.cc: Ditto.
911 * testsuite/icf_safe_test.sh: Ditto.
912
d3bbad62
ILT		 9132010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
914 Ian Lance Taylor <iant@google.com>
915
916 * target-reloc.h (relocate_section): Check the symbol table index
917 for -1U before setting the local symbol index.
918 (scan_relocatable_relocs): If copying the relocation, record that
919 the local symbol is required.
920 * object.h (Symbol_value::is_output_symtab_index_set): New
921 function.
922 (Symbol_value::may_be_discarded_from_output_symtab): New
923 function.
924 (Symbol_value::has_output_symtab_entry): New function.
925 (Symbol_value::needs_output_symtab_entry): Remove.
926 (Symbol_value::output_symtab_index): Make sure the symbol index is
927 set.
928 (Symbol_value::set_output_symtab_index): Make sure the symbol
929 index is not set. Make sure the new index is valid.
930 (Symbol_value::set_must_have_output_symtab_entry): New function.
931 (Symbol_value::has_output_dynsym_entry): New function.
932 (Symbol_value::set_output_dynsym_index): Make sure the new index
933 is valid.
934 (Sized_relobj::set_must_have_output_symtab_entry): New function.
935 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
936 local symbol if permitted.
937 (Sized_relobj::do_finalize_local_symbols): Call
938 is_output_symtab_index_set rather than needs_output_symtab_entry.
939 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
940 rather than needs_output_symtab_entry. Call
941 has_output_dynsym_entry rather than needs_output_dynsym_entry.
942 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
943 is_output_symtab_index_set rather than needs_output_symtab_entry.
944 * testsuite/discard_locals_relocatable_test.c: New file.
945 * testsuite/discard_locals_test.sh: Test -r.
946 * testsuite/Makefile.am (check_DATA): Add
947 discard_locals_relocatable_test1.syms,
948 discard_local_relocatable_test2.syms.
949 (MOSTLYCLEANFILES): Likewise. Also add
950 discard_locals_relocatable_test1.lout and
951 discard_locals_relocatable_test2.out.
952 (discard_locals_relocatable_test1.syms): New target.
953 (discard_locals_relocatable_test.o): New target.
954 (discard_locals_relocatable_test1.out): New target.
955 (discard_locals_relocatable_test2.syms): New target.
956 (discard_locals_relocatable_test2.out): New target.
957 (various): Add missing ../ld-new dependencies.
958 * testsuite/Makefile.in: Rebuild.
959
7e8ccf26
NC		 9602010-03-03 Nick Clifton <nickc@redhat.com>
961
962 * po/fi.po: New Finnish translation.
963
2a0ff005
DK		 9642010-03-01 Doug Kwan <dougkwan@google.com>
965
966 * layout.cc (Layout::Layout): Force section types of .init_array*,
967 .preinit_array* and .fini_array* sections.
968 * output.cc (Output_section::Input_section_sort_entry::has_priority):
969 Fix check of return value of std::string::find.().
970 (Output_section::Input_section_sort_compare::operator()): Remove
971 comment about .init_array.
972 (Output_section::Input_section_sort_init_fini_compare::operator()):
973 New method.
974 (Output_section::sort_attached_input_sections): Handle .init_array
975 and .fini_array specially.
976 * output.h (Output_section::Inut_section_sort_compare): Update
977 comment.
978 (Output_section::Input_section_sort_init_fini_compare): New struct.
979
c3e4ae29
DK		 9802010-02-26 Doug Kwan <dougkwan@google.com>
981
982 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
983 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
984 * testsuite/debug_msg.sh: Avoid matching source line number for
985 use of global variable undef_int.
986
2fd9ae7a
DK		 9872010-02-26 Doug Kwan <dougkwan@google.com>
988
989 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
990 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
991 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
992 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
993 * options.cc (General_options::General_options): Initialize member
994 fix_v4bx_.
995 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
996 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
997 and rm_no_fix_v4bx.stdout
998 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
999 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1000 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1001 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1002 and arm_no_fix_v4bx.
1003 * Makefile.in: Regenerate.
1004 * testsuite/arm_fix_v4bx.s: New file.
1005 * testsuite/arm_fix_v4bx.sh: Ditto.
1006
67ec7d0b
DK		 10072010-02-24 Doug Kwan <dougkwan@google.com>
1008
1009 * arm.cc (Target_arm::got_section): Make the .got section the first
1010 non RELRO section in the data segment.
1011 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1012 suffixes of section names.
1013
10165461
DK		 10142010-02-24 Doug Kwan <dougkwan@google.com>
1015
1016 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1017 flags and attributes merging if an input file is a binary file.
1018 * fileread.cc (Input_file::open): Record format of original file.
1019 * fileread.h (Input_file::Format): New enum type.
1020 (Input_file::Input_file): Initialize data member format_.
1021 (Input_file::format): New method definition.
1022 (Input_file::format_):: New data member.
1023
4a54abbb
DK		 10242010-02-24 Doug Kwan <dougkwan@google.com>
1025
1026 * arm.cc (Arm_output_data_got): New class.
1027 (ARM_TCB_SIZE): New constant
1028 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1029 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1030 If user uses a script with a SECTIONS clause, issue only a warning
1031 for a misplaced EXIDX input section. Otherwise, issue an error.
1032 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1033 garbage collection.
1034 (Target_arm::got_mode_index_entry): Handle static linking.
1035 (Target_arm::Scan::local): Ditto.
1036 (Target_arm::Scan::global): Ditto.
1037 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
1038 all incorrectly implemented relocations.
e1df38aa 1039 (Target_arm::fix_exidx_coverage): Pass layout to
4a54abbb
DK		 1040 Arm_output_section::fix_exidx_coverage.
1041 * layout.cc (Layout::section_name_mapping): Remove trailing dots
1042 from ".ARM.exidx." and ".ARM.extab.".
1043
ca419a6f
ILT		 10442010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1045
1046 * arm.cc (Target_arm::do_finalize_sections): Create attribute
1047 section if it does not already exist.
1048 * attributes.cc (Attributes_section_data::Attributes_section_data):
1049 Don't crash if size is zero.
1050
135b9c78
ILT		 10512010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1052 Ian Lance Taylor <iant@google.com>
1053
1054 * gold.cc (queue_middle_tasks): If no input files were opened,
1055 exit.
1056 * workqueue.h (Task_function::Task_function): Assert that there is
1057 a blocker.
1058
bb0bfe4f
DK		 10592010-02-22 Doug Kwan <dougkwan@google.com>
1060
1061 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1062 * icf.cc (get_section_contents): Cast snprintf arguments to long long
1063 types to avoid warnings due to different uint64_t implementations
1064 on different hosts.
1065
2a2b6d42
DK		 10662010-02-21 Doug Kwan <dougkwan@google.com>
1067
1068 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1069 handling of the maximum backward branch offset.
1070 (Arm_relocate_functions::thumb_branch_common): Ditto.
1071 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1072 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
e1df38aa 1073 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
2a2b6d42
DK		 1074 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1075 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1076 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1077 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1078 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1079 thumb_bl_out_of_range thumb_bl_out_of_range.o,
1080 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1081 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1082 thumb2_bl_out_of_range.o): New rules.
1083 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1084 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1085 thumb2_bl_out_of_range
1086 * testsuite/Makefile.in: Regenerate.
1087 * testsuite/arm_bl_in_range.s: New file.
1088 * testsuite/arm_bl_out_of_range.s: Ditto.
1089 * testsuite/arm_branch_in_range.sh: Ditto.
1090 * testsuite/arm_branch_range.t: Ditto.
1091 * testsuite/thumb2_branch_range.t: Ditto.
1092 * testsuite/thumb_bl_in_range.s: Ditto.
1093 * testsuite/thumb_bl_out_of_range.s: Ditto.
1094 * testsuite/thumb_branch_range.t: Ditto.
1095
b487ad64
ST		 10962010-02-20 Sriraman Tallam <tmsriram@google.com>
1097
1098 * gc.h (gc_process_relocs): Change vectors to point to the new list.
1099 Add reloc offset information.
1100 * icf.cc (get_section_contents): Change iterators to point to the new
1101 vectors. Add reloc offset information to the contents.
1102 * icf.h (Icf::Sections_reachable_info): New typedef.
1103 (Icf::Sections_reachable_list): New typedef.
1104 (Icf::Offset_info): New typedef.
1105 (Icf::Reloc_info): New struct typedef.
1106 (Icf::Reloc_info_list): New typedef.
1107 (Icf::symbol_reloc_list): Delete method.
1108 (Icf::addend_reloc_list): Delete method.
1109 (Icf::section_reloc_list): Delete method.
1110 (Icf::reloc_info_list): New method.
1111 (Icf::reloc_info_list_): New member.
1112
f96accdf
DK		 11132010-02-19 Doug Kwan <dougkwan@google.com>
1114
1115 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1116 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1117 * arm.cc (Arm_relocation_functions): New forward declaration.
1118 (Target_arm::Target_arm): Initialize new data members
1119 got_mod_index_offset_ and tls_base_symbol_defined_.
1120 (Target_arm::Relocate::relocate_tls): New method.
1121 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1122 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1123 New methods.
1124 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1125 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1126 (Target_arm::got_mod_index_offset_,
1127 Target_arm::tls_base_symbol_defined_): New data members.
1128 (Target_arm::Scan::local, Target::Scan::global,
1129 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1130 relocations.
1131
c8761b9a
DK		 11322010-02-18 Doug Kwan <dougkwan@google.com>
1133
1134 * arm.cc (Arm_relobj::find_linked_text_section): New method.
1135 (Arm_relobj::make_exidx_input_section): Pass section index of linked
1136 text section as a parameter becuase some broken tools may not set
1137 the link in section header.
1138 (Target_arm::has_got_section): New method.
1139 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
1140 without any mapping symbol as data only. Remove warning.
1141 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
1142 link in its section header, try to discover the link by inspecting the
1143 REL31 relocation at the beginning of the section.
1144 (Target_arm::Scan::check_non_pic): Report name of offending relocation
1145 in error message.
1146 (Target_arm::Scan::global): Treat any reference to the symbol
1147 _GLOBAL_OFFSET_TABLE_ as a GOT access.
1148
21bb3914
ST		 11492010-02-12 Sriraman Tallam <tmsriram@google.com>
1150
1151 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
1152 (Scan::global_reloc_may_be_function_pointer): New function.
1153 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1154 (Scan::global_reloc_may_be_function_pointer): New function.
1155 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
1156 (Scan::global_reloc_may_be_function_pointer): New function.
1157 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
1158 (Scan::global_reloc_may_be_function_pointer): New function.
1159 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
1160 (Scan::global_reloc_may_be_function_pointer): New function.
1161 (Scan::possible_function_pointer_reloc): New function.
1162 (Target_x86_64::can_check_for_function_pointers): New function.
1163 * gc.h (gc_process_relocs): Scan relocation types to determine if
1164 function pointers were taken for targets that support it.
1165 * icf.cc (Icf::find_identical_sections): Include functions for
1166 folding in safe ICF whose pointer is not taken.
1167 * icf.h (Secn_fptr_taken_set): New typedef.
1168 (fptr_section_id_): New member.
1169 (section_has_function_pointers): New function.
1170 (set_section_has_function_pointers): New function.
1171 (check_section_for_function_pointers): New function.
1172 * options.h: Fix comment for safe ICF option.
1173 * target.h (can_check_for_function_pointers): New function.
1174 * testsuite/Makefile.am: Add icf_safe_so_test test case.
1175 Modify icf_safe_test for X86-64.
1176 * testsuite/Makefile.in: Regenerate.
1177 * testsuite/icf_safe_so_test.cc: New file.
1178 * testsuite/icf_safe_so_test.sh: New file.
1179 * testsuite/icf_safe_test.cc (kept_func_3): New function.
1180 (main): Change to take pointer to function kept_func_3.
1181 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
1182 folding is done correctly for X86-64.
1183
0da6fa6c
DM		 11842010-02-12 David S. Miller <davem@davemloft.net>
1185
1186 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
1187 is_symbolless parameter.
1188 (Output_reloc<SHT_REL>::is_symbolless): New.
1189 (Output_reloc<SHT_REL>::is_symbolless_): New.
1190 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
1191 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
1192 (Output_reloc<SHT_RELA>::is_symbolless): New.
1193 (Output_data_reloc::add_global): Handle is_symbolless.
1194 (Output_data_reloc::add_global_relative): Likewise.
1195 (Output_data_reloc::add_local): Likewise.
1196 (Output_data_reloc::add_local_relative): Likewise.
1197 (Output_data_reloc::add_symbolless_global_addend): New.
1198 (Output_data_reloc::add_symbolless_local_addend): New.
1199 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
1200 is_symbolless.
1201 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
1202 instead of ->is_relative_
1203 (Output_reloc::write): Likewise.
1204 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
1205 (Output_reloc::write_rel): Simplify.
1206
1207 * sparc.cc (Target_sparc::Scan::local): Use
1208 ->add_symbolless_local_addend as needed.
1209 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
1210 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
1211 based upon relocation offset.
1212
e4782e83
DK		 12132010-02-11 Doug Kwan <dougkwan@google.com>
1214
1215 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
1216 (Target_arm::Scan::global): Ditto. Also remove a comment before the
1217 beginning of function.
1218 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
1219 and MOVT_ABS relocations. Those are non issued in scanning. Fix
1220 parameter is_32bit in calls to should_apply_static_reloc.
1221 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
1222 (check_DATA): Add arm_abs_global.stdout.
1223 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
1224 arm_abs_global.stdout): New rules.
1225 (MOSTLLYCLEANFILES): Add arm_abs_global
1226 * Makefile.in: Regenerate.
1227 * testsuite/arm_abs_global.s: New file.
1228 * testsuite/arm_abs_global.sh: Ditto.
1229 * testsuite/arm_abs_lib.s: Ditto.
1230
93ceb764
ILT		 12312010-02-11 Ian Lance Taylor <iant@google.com>
1232
1233 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
1234 Read_relocs task.
1235 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
1236 Allocate_commons_task first.
1237 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
1238 task, rather than symtab_lock_.
1239 (Gc_process_relocs::~Gc_process_relocs): New function.
1240 (Gc_process_relocs::is_runnable): Check this_blocker_.
1241 (Gc_process_relocs::locks): Use next_blocker_ rather than
1242 blocker_.
1243 (Scan_relocs::~Scan_relocs): New function.
1244 (Scan_relocs::is_runnable): Check this_blocker_ rather than
1245 symtab_lock_.
1246 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
1247 next_blocker_.
1248 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
1249 fields. Add this_blocker_ and next_blocker_ fields. Adjust
1250 constructor accordingly.
1251 (class Gc_process_relocs): Likewise.
1252 (class Scan_relocs): Likewise.
1253 * common.h (class Allocate_commons_task): Remove symtab_lock_
1254 field, and corresponding constructor parameter.
1255 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
1256 symtab_lock_.
1257 (Allocate_commons_task::locks): Likewise.
1258
114dfbe1
ILT		 12592010-02-11 Ian Lance Taylor <iant@google.com>
1260
1261 * gold-threads.h (class Once): Define.
1262 (class Initialize_lock): Rewrite as child of Once.
1263 * gold-threads.cc (class Once_initialize): Define.
1264 (once_pointer_control): New static variable.
1265 (once_pointer, once_arg): New static variables.
1266 (c_run_once): New static function.
1267 (Once::Once, Once::run_once, Once::internal_run): New functions.
1268 (class Initialize_lock_once): Remove.
1269 (initialize_lock_control): Remove.
1270 (initialize_lock_pointer): Remove.
1271 (initialize_lock_once): Remove.
1272 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
1273 (Initialize_lock::initialize): Rewrite.
1274 (Initialize_lock::do_run_once): New function.
1275 * archive.cc (Archive::interpret_header): Only clear name if it is
1276 not already empty.
1277 * fileread.cc: Include "gold-threads.h"
1278 (file_counts_lock): New static variable.
1279 (file_counts_initialize_lock): Likewise.
1280 (File_read::release): Only increment counts when using --stats.
1281 Use a lock around the increment.
1282 * parameters.cc (class Set_parameters_target_once): Define.
1283 (set_parameters_target_once): New static variable.
1284 (Parameters::Parameters): Move here from parameters.h.
1285 (Parameters::set_target): Rewrite.
1286 (Parameters::set_target_once): New function.
1287 (Parameters::clear_target): Move here and rewrite.
1288 * parameters.h (class Parameters): Update declarations. Add
1289 set_parameters_target_once_ field.
1290 (Parameters::Parameters): Move to parameters.cc.
1291 (Parameters::clear_target): Likewise.
1292 * readsyms.cc (Read_symbols::do_group): Create a Start_group
1293 task.
1294 (Start_group::~Start_group): New function.
1295 (Start_group::is_runnable): New function.
1296 (Start_group::locks, Start_group::run): New functions.
1297 (Finish_group::run): Change saw_undefined to size_t.
1298 * readsyms.h (class Start_group): Define.
1299 (class Finish_group): Change saw_undefined_ field to size_t.
1300 (Finish_group::Finish_group): Remove saw_undefined and
1301 this_blocker parameters. Change all callers.
1302 (Finish_group::set_saw_undefined): New function.
1303 (Finish_group::set_blocker): New function.
1304 * symtab.h (class Symbol_table): Change saw_undefined to return
1305 size_t. Change saw_undefined_ field to size_t.
1306 * target-select.cc (Set_target_once::do_run_once): New function.
1307 (Target_selector::Target_selector): Initialize set_target_once_
1308 field. Don't initialize lock_ and initialize_lock_ fields.
1309 (Target_selector::instantiate_target): Rewrite.
1310 (Target_selector::set_target): New function.
1311 * target-select.h (class Set_target_once): Define.
1312 (class Target_selector): Update declarations. Make
1313 Set_target_once a friend. Remove lock_ and initialize_lock_
1314 fields. Add set_target_once_ field.
1315
fa17a3f4
ILT		 13162010-02-10 Ian Lance Taylor <iant@google.com>
1317
1318 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
1319 queueing any tasks.
1320 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
1321 (queue_middle_tasks): Add all blockers before queueing any tasks.
1322 (queue_final_tasks): Likewise.
1323 * token.h (Task_token::add_blockers): New function.
1324 * object.h (Input_objects::number_of_relobjs): New function.
1325
c7177d31
ILT		 13262010-02-10 Ian Lance Taylor <iant@google.com>
1327
5de0e392
ILT		 1328 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
1329 shared, not if not position independent.
1330 * x86_64.cc (Relocate::relocate_tls): Likewise.
1331 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
1332 (tls_pie_pic_test): New target.
1333 * testsuite/Makefile.in: Rebuild.
1334
c7177d31
ILT		 1335 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
1336 (tls_test_main_pie.o, tls_test_pie.o): New targets.
1337 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
1338 * testsuite/Makefile.in: Rebuild.
1339
684b268a
DM		 13402010-02-09 David S. Miller <davem@davemloft.net>
1341
1342 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
1343 R_SPARC_RELATIVE using ->add_local_relative().
1344 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
1345
612a8d3d
DM		 1346 * output.h (Output_data_dynamic::add_section_size): New method
1347 that takes two Output_data objects.
1348 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
1349 entry param. Handle it in initializers.
1350 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
1351 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
1352 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
1353 arg.
1354 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
1355 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
1356 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
1357 for dynrel_includes_plt.
1358 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1359 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1360 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
1361 before .rela.plt
1362 (Target_sparc::do_finalize_sections): Update to pass true for
1363 dynrel_includes_plt.
1364 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
1365 output before .rela.plt
1366 (Target_powerpc::do_finalize_sections): Update to pass true for
1367 dynrel_includes_plt when 32-bit.
1368
cb1be87e
DK		 13692010-02-08 Doug Kwan <dougkwan@google.com>
1370
1371 * arm.cc (Arm_relobj::simple_input_section_output_address): New
1372 method.
1373 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
1374 Arm_relobj::scan_section_for_cortex_a8_stubs,
1375 Arm_relobj::do_relocation_section): Instead of calling
1376 Output_section::output_address, use faster
1377 Arm_relobj::simple_input_section_output_address.
1378
705b5121
DM		 13792010-02-08 David S. Miller <davem@davemloft.net>
1380
1381 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
1382 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
1383 relocation helper function.
1384
024c4466
DM		 1385 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
1386 just like R_SPARC_GOT{10,13,22}.
1387 (Target_sparc::Scan::local): Likewise.
1388 (Target_sparc::Relocate:relocate): Likewise.
1389
9109c078
ILT		 13902010-02-06 Ian Lance Taylor <iant@google.com>
1391
1392 * configure.ac: Rewrite targetobjs duplicate removal code to use
1393 only shell constructs.
1394 * configure: Rebuild.
1395
cf846138
DK		 13962010-02-05 Doug Kwan <dougkwan@google.com>
1397
1398 PR 11247
1399 * arm.cc (Arm_relobj::section_is_scannable): New method.
1400 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
1401 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
1402
6cfaf60b
DK		 14032010-02-04 Doug Kwan <dougkwan@google.com>
1404
1405 PR 11247
1406 * arm-reloc-property.cc (cstdio): Include.
1407 * configure.ac (targetobjs): Remove duplicates.
1408 * configure: Regenerate.
1409 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
1410 big and little endian version for a given address size.
1411
5c57f1be
DK		 14122010-02-03 Doug Kwan <dougkwan@google.com>
1413
1414 * arm-reloc-property.cc
1415 (Arm_reloc_property_table::reloc_name_in_error_message): New method
1416 definition.
1417 * arm-reloc-property.h
1418 (Arm_reloc_property_table::get_implemented_static_reloc_property):
1419 New method definition.
1420 (Arm_reloc_property_table::reloc_name_in_error_message): New method
1421 declaration.
1422 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
1423 overflow to N.
1424 (GOT_PREL): Change implemented to Y.
1425 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
1426 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
1427 (Arm_relocate_functions::movw_abs_nc): Remove method.
1428 (Arm_relocate_functions::movt_abs): Ditto.
1429 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
1430 (Arm_relocate_functions::thm_movt_abs): Ditto.
1431 (Arm_relocate_functions::movw_rel_nc): Ditto.
1432 (Arm_relocate_functions::movw_rel): Ditto.
1433 (Arm_relocate_functions::movt_rel): Ditto.
1434 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
1435 (Arm_relocate_functions:thm_movw_rel): Ditto.
1436 (Arm_relocate_functions:thm_movt_rel): Ditto.
1437 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
1438 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
1439 New method definitions.
1440 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
1441 (Arm_relocation_functions::arm_grp_ldr): Ditto.
1442 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
1443 (Arm_relocation_functions::arm_grp_ldc): Ditto.
1444 (Target_arm::Relocate::relocate): Check for non-static or
1445 unimplemented relocation code and exit early. Change calls to
1446 Target_arm::reloc_uses_thumb_bit and
1447 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
1448 instead. Refactor code to handle similar relocations to increase
1449 code sharing. Remove check for unsupported relocation code in switch
1450 statement.
1451 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
1452 relocation property table to find out size. Change error message to
1453 print out the name of a relocation code instead of the numeric value.
1454 (Target_arm::scan_reloc_for_stub): Use relocation property table
1455 instead of calling Target_arm::reloc_uses_thumb_bit().
1456
218c5831
DK		 14572010-02-02 Doug Kwan <dougkwan@google.com>
1458
1459 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
1460 types of relaxed input section.
1461
0d31c79d
DK		 14622010-02-02 Doug Kwan <dougkwan@google.com>
1463
1464 * Makefile.am (HFILES): Add arm-reloc-property.h.
1465 (DEFFILES): New.
1466 (TARGETSOURCES): Add arm-reloc-property.cc
1467 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
1468 (libgold_a_SOURCES): $(DEFFILES)
1469 * Makefile.in: Regenerate.
1470 * arm-reloc-property.cc: New file.
1471 * arm-reloc-property.h: New file.
1472 * arm-reloc.def: New file.
1473 * arm.cc: Update comments.
1474 (arm-reloc-property.h): New included header.
1475 (arm_reloc_property_table): New global variable.
1476 (Target_arm::do_select_as_default_target): New method definition.
1477 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
1478 arm-reloc-property to targ_extra_obj.
1479 * parameters.cc (set_parameters_target): Call
1480 Target::select_as_default_target().
1481 * target.h (Target::select_as_default_target): New method definition.
1482 (Target::do_select_as_default_target): Same.
1483
546c7457
DK		 14842010-02-01 Doug Kwan <dougkwan@google.com>
1485
1486 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
1487 first_output_text_section_.
1488 (Arm_exidx_fixup::first_output_text_section): New method definition.
1489 (Arm_exidx_fixup::first_output_text_section_): New data member.
1490 (Arm_exidx_fixup::process_exidx_section): Record the first text
1491 output section seen.
1492 (Arm_output_section::fix_exidx_coverage): Set correct linked section
1493 and entsize in output section header.
1494
11b861d5
DK		 14952010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1496
1497 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
1498 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
1499 (Arm_relocate_functions::thm_alu11): New Method.
1500 (Arm_relocate_functions::thm_pc8): New Method.
1501 (Arm_relocate_functions::thm_pc12): New Method.
1502 (Target_arm::Scan::local): Handle the relocations.
1503 (Target_arm::Scan::global): Likewise.
1504 (Target_arm::Relocate::relocate): Likewise.
1505 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1506
c9a2c125
DK		 15072010-01-29 Doug Kwan <dougkwan@google.com>
1508
1509 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
1510 of relocation types as ld.
1511
1521477a
DK		 15122010-01-29 Doug Kwan <dougkwan@google.com>
1513
1514 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
1515 to public.
1516 (Arm_relocate_functions::thumb_branch_common): Ditto.
1517 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
1518 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
1519 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
1520 Arm_relocate_functions::jump24): Remove.
1521 (Target_arm::Relocate::relocate): Adjust code to call
1522 Arm_relocation_functions::arm_branch_common and
1523 Arm_relocation_functions::thumb_branch_common instead of their removed
e1df38aa 1524 wrappers. Merge switch-cases together to reduce source code size.
1521477a 1525
e7eca48c
DK		 15262010-01-29 Doug Kwan <dougkwan@google.com>
1527
1528 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
1529 output_local_symbol_count_needs_update_.
1530 (Arm_relobj::output_local_symbol_count_needs_update,
1531 Arm_relobj::set_output_local_symbol_count_needs_update,
1532 Arm_relobj::update_output_local_symbol_count): New methods.
1533 (Arm_relobj::output_local_symbol_count_needs_update_): New data
1534 member.
1535 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
1536 of pointed function as in a R_ARM_PREL31 relocation.
1537 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
1538 for output local symbol count updating.
1539 (Target_arm::do_relax): Update output local symbol counts in objects
1540 if necessary.
1541 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
1542
02961d7e
ILT		 15432010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1544
1545 * arm.cc: Added support for the ARM relocations:
1546 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
1547 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
1548 (Arm_relocate_functions::movw_rel_nc): Renamed (was
1549 movw_prel_nc).
1550 (Arm_relocate_functions::movw_rel): New method.
1551 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
1552 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
1553 thm_movw_prel_nc).
1554 (Arm_relocate_functions::thm_movw_rel): New method.
1555 (Arm_relocate_functions::thm_movt_rel): Renamed (was
1556 thm_movt_prel).
1557 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
1558 relocations.
1559 (Target_arm::Scan::global): Likewise.
1560 (Target_arm::Relocate::relocate): Likewise.
1561 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1562 Likewise.
1563
b10d2873
ILT		 15642010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1565
1566 * arm.cc: Added support for ARM group relocations.
1567 (Target_arm::reloc_needs_sym_origin): New method.
1568 (Arm_relocate_functions::calc_grp_kn): New method.
1569 (Arm_relocate_functions::calc_grp_residual): New method.
1570 (Arm_relocate_functions::calc_grp_gn): New method.
1571 (Arm_relocate_functions::arm_grp_alu): New Method.
1572 (Arm_relocate_functions::arm_grp_ldr): New Method.
1573 (Arm_relocate_functions::arm_grp_ldrs): New Method.
1574 (Arm_relocate_functions::arm_grp_ldc): New Method.
1575 (Target_arm::Scan::local): Handle the ARM group relocations.
1576 (Target_arm::Scan::global): Likewise.
1577 (Target_arm::Relocate::relocate): Likewise.
1578 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1579 Likewise.
1580
2b328d4e
DK		 15812010-01-26 Doug Kwan <dougkwan@google.com>
1582
1583 * arm.cc (set): Include.
1584 (class Arm_exidx_fixup): Change type of last_input_section_ to const
1585 pointer type.
1586 (Arm_output_section::Text_section_list): New type.
1587 (Arm_output_section::append_text_sections_to_list): New method.
1588 (Arm_output_section::fix_exidx_coverage): Ditto.
1589 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
1590 (Arm_relobj::convert_input_section_to_relaxed_section): Use
1591 Relobj::set_section_offset() instead of
1592 Sized_relobj::invalidate_section_offset().
1593 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
1594 parameter for section headers. Ignore relocation sections for
1595 unallocated sections and EXIDX sections.
1596 (Target_arm::fix_exidx_coverage): New method.
1597 (Target_arm::output_section_address_less_than): New type.
1598 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
1599 linked text section instead of the EXIDX section.
1600 (Arm_output_section::create_stub_group): Add an assertion to check
1601 that this is not an EXIDX output section.
1602 (Arm_output_section::append_text_sections_to_list): New method.
1603 (Arm_output_section::fix_exidx_coverage): Ditto.
1604 (Arm_relobj::scan_sections_for_stubs): Adjust call to
1605 Arm_relobj::section_needs_reloc_stub_scanning.
1606 (Target_arm::do_relax): Fix EXIDX output section coverage in the
1607 first pass.
1608 (Target_arm::fix_exidx_coverage): New method.
1609 * object.h (Relobj::set_output_section): New method.
1610 (Sized_relobj::invalidate_section_offset): Remove method.
1611 (Sized_relobj::do_invalidate_section_offset): Remove method.
1612 (Sized_relobj::do_set_section_offset): Handle offset value -1.
1613
c7f3c371
DK		 16142010-01-25 Doug Kwan <dougkwan@google.com>
1615
1616 * arm.cc (Arm_exidx_merged_section::do_output_offset):
1617 Fix warning due to signed and unsigned comparison on a 32-bit host.
1618
8923b24c
DK		 16192010-01-22 Doug Kwan <dougkwan@google.com>
1620
1621 * arm.cc (Target_arm::do_relax): Record an output section for section
1622 offset adjustment it contains any stub table that has changed.
1623 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
1624 offsets in an output section if necessary.
1625 * output.cc (Output_section::Output_section): Initialize
1626 section_offsets_need_adjustments_.
1627 (Output_section::add_input_section_for_script): Renamed to
1628 Output_section::add_simple_input_section.
1629 (Output_section::save_states): Add a comment.
1630 (Output_section::discard_states): New method defintion.
1631 (Output_section::adjust_section_offsets): Same.
1632 * output.h (Output_section::add_input_section_for_script): Renamed to
1633 Output_section::add_simple_input_section.
1634 (Output_section::discard_states): New method declaration.
1635 (Output_section::adjust_section_offsets): Same.
1636 (Output_section::section_offsets_need_adjustment,
1637 Output_section::set_section_offsets_need_adjustment): New method
1638 definitions.
1639 (Output_section::section_offsets_need_adjustment_): New data member.
1640 * script-sections.cc
1641 (Output_section_element_input::set_section_address): Adjust code for
1642 renaming of Output_section::add_input_section_for_script.
1643 (Orphan_output_section::set_section_address): Same.
1644
9b2fd367
DK		 16452010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1646
1647 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
1648 Fix_v4bx enum values .
1649 * gold/options.h (General_options): New option definitions.
1650 (General_options::fix_v4bx): New method.
1651 (General_options::Fix_v4bx): New enum.
1652 * gold/options.cc (General_options::parse_fix_v4bx): New method.
1653 (General_options::parse_fix_v4bx_interworking): New method.
1654
80d0d023
DK		 16552010-01-22 Doug Kwan <dougkwan@google.com>
1656
1657 * arm.cc (Arm_exidx_fixup): New class.
1658
af2cdeae
DK		 16592010-01-21 Doug Kwan <dougkwan@google.com>
1660
1661 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
1662 classes.
1663 (Arm_exidx_section_offset_map): New type.
1664
993d07c1
DK		 16652010-01-21 Doug Kwan <dougkwan@google.com>
1666
1667 * arm.cc (Arm_exidx_input_section): New class.
1668 (Arm_relobj::exidx_input_section_by_link,
1669 Arm_relobj::exidx_input_section_by_shndx,
1670 Arm_relobj::make_exidx_input_section): New methods.
1671 (read_arm_attributes_section): Remove.
1672 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
1673 information about them.
1674 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
1675 to here.
1676
5ac169d4
DK		 16772010-01-20 Doug Kwan <dougkwan@google.com>
1678
1679 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
1680 Input_section_specifier to Section_id.
1681 (Target_arm::new_arm_input_section: Adjust code for change of key
1682 type.
1683 (Target_arm::find_arm_input_section): Ditto.
1684 * gc.h (object.h): Include for Section_id nand Section_id_hash.
1685 (Section_id): Remove.
1686 (Garbage_collection::Section_id_hash): Remove.
1687 * icf.h (object.h): Include for Section_id nand Section_id_hash.
1688 (Section_id): Remove.
1689 (Icf::Section_id_hash): Remove.
1690 * object.h (Section_id, Const_section_id, Section_id_hash,
1691 Const_section_id_hash): New type definitions.
1692 * output.cc (Output_section::add_relaxed_input_section): Change to
1693 use Const_section_id instead of Input_section_specifier as key type.
1694 (Output_section::add_merge_input_section): Ditto.
1695 (Output_section::build_relaxation_map): Change to use Section_id
1696 instead of Input_section_specifier as key type.
1697 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1698 Ditto.
1699 (Output_section::convert_input_sections_to_relaxed_sections): Change
1700 to use Const_section_id instead of Input_section_specifier as key type.
1701 (Output_section::find_merge_section): Ditto.
1702 (Output_section::find_relaxed_input_section): Ditto.
1703 * output.h (Input_section_specifier): Remove class.
1704 (Output_section::Output_section_data_by_input_section_map): Change
1705 key type to Const_section_id.
1706 (Output_section::Output_relaxed_input_section_by_input_section_map):
1707 Ditto.
1708 (Output_section::Relaxation_map): Change key type to Section_id.
1709
a2162063
ILT		 17102010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1711
1712 * gold/arm.cc: Added support for R_ARM_V4BX relocation
1713 (class Arm_v4bx_stub): New class.
1714 (DEF_STUBS): Updated definition to support v4_veneer_bx.
1715 (Stub_factory::make_arm_v4bx_stub): New method.
1716 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
1717 (Stub_table::empty): Handle v4bx stubs.
1718 (Stub_table::add_arm_v4bx_stub): New method.
1719 (Stub_table::find_arm_v4bx_stub): New method.
1720 (Arm_relocate_functions::v4bx): New method.
1721 (Target_arm::fix_v4bx): New method.
1722 (Target_arm::Target_arm): Handle R_ARM_V4BX.
1723 (Stub_table::relocate_stubs): Likewise.
1724 (Stub_table::do_write): Likewise.
1725 (Stub_table::update_data_size_and_addralign): Likewise.
1726 (Stub_table::finalize_stubs): Likewise.
1727 (Target_arm::Scan::local): Likewise.
1728 (Target_arm::Scan::global): Likewise.
1729 (Target_arm::do_finalize_sections): Likewise.
1730 (Target_arm::Relocate::relocate): Likewise.
1731 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1732 Likewise.
1733 (Target_arm::scan_reloc_for_stub): Likewise.
1734 (Target_arm::scan_reloc_section_for_stubs): Likewise.
1735
5696ab0b
ILT		 17362010-01-19 Ian Lance Taylor <iant@google.com>
1737
1738 * output.cc (Output_section_headers::do_sized_write): Write large
1739 segment count to sh_info field.
1740 (Output_file_header::do_sized_write): For large segment count,
1741 write PN_XNUM to e_phnum field.
1742
800d0f56
ILT		 17432010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1744
1745 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
1746 (Arm_relocate_functions::thm_jump8): New function.
1747 (Arm_relocate_functions::thm_jump11): New function.
1748 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
1749 R_ARM_THM_JUMP11.
1750 (Target_arm::Scan::global): Likewise.
1751 (Target_arm::Relocate::relocate): Likewise.
1752 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1753 Likewise.
1754
41263c05
DK		 17552010-01-14 Doug Kwan <dougkwan@google.com>
1756
1757 * arm.cc (map, utility): Include headers.
1758 (Target_arm::apply_cortex_a8_workaround): New method.
1759 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
1760 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
1761 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
1762 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
1763 the --[no-]fix-cortex-a8 command line options.
1764 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
1765 (Target_arm::relocate_stub): Use addend in instruction template.
1766 * options.h (DEFINE_bool): Set the user-set flag.
1767 (General_options): Add --[no-]-fix-cortex options.
1768 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
e1df38aa 1769 : Update fast look-up map after conversion.
41263c05 1770
459e9b03
ST		 17712010-01-14 Sriraman Tallam <tmsriram@google.com>
1772
1773 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
1774 in the first pass of do_layout.
1775
b521dfe4
DK		 17762010-01-13 Doug Kwan <dougkwan@google.com>
1777
1778 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1779 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
1780 apparent compiler problem of not folding static constant integral
1781 data members of elfcpp::Elf_sizes<32>.
1782
44272192
DK		 17832010-01-13 Doug Kwan <dougkwan@google.com>
1784
1785 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
1786 Arm_relobj::section_needs_cortex_a8_stub_scanning,
1787 Arm_relobj::scan_section_for_cortex_a8_erratum,
1788 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
1789 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
1790 sections to scan for relocation stubs into a new method
1791 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
1792 relocation and Cortex-A8 stub scanning.
1793 (Target_arm::do_relax): Force stubs to be after stubbed sections
1794 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
e1df38aa 1795 the beginning of a new relaxation pass. Update a comment.
44272192
DK		 1796 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
1797
44b71ece
ILT		 17982010-01-12 Ian Lance Taylor <iant@google.com>
1799
1800 * target-reloc.h (visibility_error): New inline function.
1801 (relocate_section): Call visibility_error.
1802 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
1803 (MOSTLYCLEANFILES): Likewise.
1804 (protected_4_pic.o, protected_3.err): New targets.
1805 * testsuite/protected_4.cc: New file.
1806
a120bc7f
DK		 18072010-01-12 Doug Kwan <dougkwan@google.com>
1808
1809 * arm.cc (Cortex_a8_reloc): New class.
1810 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
1811 and cortex_a8_relocs_info_.
1812 (Target_arm::fix_cortex_a8): New method definition.
1813 (Target_arm::Cortex_a8_relocs_info): New type.
1814 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
1815 New data member declarations.
1816 (Target_arm::scan_reloc_for_stub): Record information about
1817 relocations for THUMB branches that might be exempted from the
1818 Cortex-A8 workaround.
1819 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
1820 at the beginning of a relaxation pass.
1821
20138696
DK		 18222010-01-12 Doug Kwan <dougkwan@google.com>
1823
1824 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
1825 (Arm_relobj::Mapping_symbol_position,
1826 Arm_reloj::Mapping_symbol_position_less,
1827 Arm_relobj::Mapping_symbols_info): New types.
1828 (Target_arm::is_mapping_symbol_name): New method definition.
1829 (Arm_relobj::do_count_local_symbols): Save information about mapping
1830 symbols.
1831
089d69dc
DK		 18322010-01-11 Doug Kwan <dougkwan@google.com>
1833
1834 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
1835 Arm_relocate_functions::thumb32_branch_upper,
1836 Arm_relocate_functions::thumb32_branch_lower,
1837 Arm_relocate_functions::thumb32_cond_branch_offset,
1838 Arm_relocate_functions::thumb32_cond_branch_upper,
1839 Arm_relocate_functions::thumb32_cond_branch_lower,
1840 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
1841 branch offset encoding.
1842 (Arm_relocate_functions::thumb_branch_common): Use new branch
1843 offset encoding methods to avoid code duplication.
1844 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
1845 (Stub_addend_reader::operator()): Use new branch encoding method
1846 to avoid code duplication.
1847
99e5bff2
DK		 18482010-01-11 Doug Kwan <dougkwan@google.com>
1849
1850 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
1851 (Target_arm::do_finalize_sections): Define special EXIDX section
1852 symbols only if referenced.
1853 * gc.h (Garbage_collection::add_reference): New method.
1854 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
1855 code duplication.
1856
98e090bd
ILT		 18572010-01-11 Ian Lance Taylor <iant@google.com>
1858
d0a91bd8
ILT		 1859 * script.cc (Version_script_info::build_expression_list_lookup):
1860 Change complaing about duplicate wildcard match from error to
1861 warning.
1862
98e090bd
ILT		 1863 * script.cc (class Lazy_demangler): Recreate--revert part of patch
1864 of 2009-12-30.
1865 (Version_script_info::Version_script_info): Initialize globs_,
1866 default_version_, default_is_global_, and exact_. Don't
1867 initialize globals_ or locals_.
1868 (Version_script_info::build_lookup_tables): Build local symbols
1869 first.
1870 (Version_script_info::unquote): New function.
1871 (Version_script_info::add_exact_match): New function.
1872 (Version_script_info::build_expression_list_lookup): Remove lookup
1873 parameter. Add is_global parameter. Change all callers. Handle
1874 wildcard pattern specially. Unquote pattern. Call
1875 add_exact_match.
1876 (Version_script_info::get_name_to_match): New function.
1877 (Version_script_info::get_symbol_version): New function.
1878 (Version_script_info::get_symbol_version_helper): Remove.
1879 (Version_script_info::check_unmatched_names): Call unquote.
1880 * script.h (class Version_script_info): Change get_symbol_version
1881 to be non-inline and add is_global parameter; change all callers.
1882 Rewrite symbol_is_local. Update declarations. Define struct
1883 Version_tree_match, Exact, Globs. Don't define struct Lookup.
1884 Remove globals_ and locals_ members. Add exact_, globs_,
1885 default_version_, is_global_.
1886 (Version_script_info::Glob): Remove pattern, add expression and
1887 is_global. Update constructor. Change all callers.
1888 * dynobj.cc (Versions::finalize): Mark the version symbol as the
1889 default version.
1890 (Versions::symbol_section_contents): If a symbol is undefined, or
1891 defined in a dynamic object, set the version index to
1892 VER_NDX_LOCAL.
1893 * symtab.cc (Symbol_table::add_from_relobj): Don't call
1894 symbol_is_local.
1895 (Symbol_table::add_from_pluginobj): Likewise.
1896 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
1897
d56962d3
DK		 18982010-01-11 Doug Kwan <dougkwan@google.com>
1899
1900 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
1901 (incremental_dump_LDADD): Add linking option for libintl.
1902 * Makefile.in: Regenerate.
1903
94e6ee91
L		 19042010-01-11 H.J. Lu <hongjiu.lu@intel.com>
1905
1906 PR gold/11144
1907 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
1908 instead of -Ds.
1909 * testsuite/Makefile.in: Regenerated.
1910
e96c574b
DK		 19112010-01-10 Doug Kwan <dougkwan@google.com>
1912
1913 * options.h (DEFINE_var): Use parentheses around argument varname__
1914 in macro body to avoid any unintended subsequent substitutions.
1915
7198066b
ILT		 19162010-01-10 Ian Lance Taylor <iant@google.com>
1917
ba4d53bf
ILT		 1918 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
1919 candidates before doing symbol resolution.
1920
7198066b
ILT		 1921 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
1922 ODR candidates if only one is weak.
1923
a2beed37
ILT		 19242010-01-08 Ian Lance Taylor <iant@google.com>
1925
1926 * script.cc (Version_script_info::build_expression_list_lookup):
1927 Don't warn about ambiguous version, just record the ambiguity.
1928 (Version_script_info::get_symbol_version_helper): Give error if
1929 version is ambiguous.
1930
2fb7225c
DK		 19312010-01-08 Doug Kwan <dougkwan@google.com>
1932
1933 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
1934 prev_data_size_ and prev_addralign_. Remove initializer for
1935 deleted data member has_been_changed_.
1936 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
1937 to determine if the table is empty.
1938 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
1939 Remove.
1940 (Stub_table::add_reloc_stub): Define method in class definition
1941 instead of just declaring it there.
1942 (Stub_table::add_cortex_a8_stub): New method definition.
1943 (Stub_table::update_data_size_and_addralign): Ditto.
1944 (Stub_table::finalize_stubs): Ditto.
1945 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
1946 (Stub_table::do_addralign_): Return address alignment in the
1947 (Stub_table::do_reset_address_and_file_offset): Define method in
1948 class definition instead of declaring it there. Set current data
1949 size to be the data size of the previous pass.
1950 (Stub_table::set_final_data_size): Use current data size as the
1951 final data size.
1952 (Stub_table::relocate_stub): Change parameter type of stub from
1953 Reloc_stub pointer to Stub pointer.
1954 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
1955 (Stub_table::Cortex_a8_stub_list): New typedef.
1956 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
1957 Stub_table::prev_addralign_): New data member.
1958 (Arm_relobj::Arm_relobj): Initialize data member
1959 section_has_cortex_a8_workaround_.
1960 (Arm_relobj::section_has_cortex_a8_workaround,
1961 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
1962 definitions.
1963 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
1964 declarations.
1965 (Target_arm::relocate_stub): Change parameter type of stub from
1966 Reloc_stub pointer to Stub pointer.
1967 (Insn_template::size, Insn_template::alignment): Handle
1968 THUMB16_SPECIAL_TYPE.
1969 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
1970 Stub_table::update_data_size_and_addralign,
1971 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
1972 definitions.
1973 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
1974 (Stub_table::do_write): Ditto.
1975 (Target_arm::do_relax): Adjust code for changes in Stub_table.
1976
880cd20d
ILT		 19772010-01-08 Ian Lance Taylor <iant@google.com>
1978
1979 PR 11108
1980 * symtab.h (class Symbol): Remove fields is_target_special_ and
1981 has_plt_offset_. Add field is_defined_in_discarded_section_.
1982 (Symbol::is_defined_in_discarded_section): New function.
1983 (Symbol::set_is_defined_in_discarded_section): New function.
1984 (Symbol::has_plt_offset): Rewrite.
1985 (Symbol::set_plt_offset): Verify that new offset is not -1U.
1986 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1987 Don't initialize is_target_special_ or has_plt_offset_.
1988 Initialize is_defined_in_discarded_section_.
1989 (Symbol_table::add_from_relobj): If appropriate, set
1990 is_defined_in_discarded_section.
1991 * resolve.cc (Symbol::override_base_with_special): Don't test
1992 is_target_special_. Change has_plt_offset_ to has_plt_offset().
1993 * target-reloc.h (relocate_section): Do special handling for
1994 symbols defined in discarded sections for global symbols as well
1995 as local symbols.
1996
2703e3eb
ILT		 19972010-01-08 Ian Lance Taylor <iant@google.com>
1998
1999 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2000 the SHT_SYMTAB case.
2001
339d40a3
ILT		 20022010-01-08 Ian Lance Taylor <iant@google.com>
2003
2004 * object.cc (Sized_relobj::do_layout): Don't get confused if
2005 layout_eh_frame returns NULL.
2006
abecea76
ILT		 20072010-01-08 Ian Lance Taylor <iant@google.com>
2008
2009 PR 11084
2010 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2011 dynamic symbol table, use the normal symbol table.
2012 (Sized_dynobj::do_read_symbols): Remove assertion about type of
2013 symbol table.
2014
6b7dd3f3
ILT		 20152010-01-08 Ian Lance Taylor <iant@google.com>
2016
2017 PR 11072
2018 * layout.cc (Layout::include_section): Remove .gnu_debuglink
2019 sections.
2020
36c50e63
L		 20212010-01-08 H.J. Lu <hongjiu.lu@intel.com>
2022
2023 * version.cc (print_version): Change to "Copyright 2010".
2024
e291e7b9
ILT		 20252010-01-08 Ian Lance Taylor <iant@google.com>
2026
2027 PR 10287
2028 PR 11063
2029 * i386.cc (class Target_i386): Change return type of plt_section
2030 to be non-const.
2031 (class Output_data_plt_i386): Add tls_desc_rel_ field.
2032 (Output_data_plt_i386::Output_data_plt_i386): Initialize
2033 tls_desc_rel_ field.
2034 (Output_data_plt_i386::rel_tls_desc): New function.
2035 (Target_i386::rel_tls_desc_section): New function.
2036 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2037 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2038 R_386_TLS_DESC reloc in rel_tls_desc_section.
2039 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2040 Define struct Tlsdesc_info.
2041 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2042 (Target_x86_64::do_reloc_symbol_index): New function.
2043 (Target_x86_64::add_tlsdesc_info): New function.
2044 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2045 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2046 tlsdesc_rel_ field.
2047 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
2048 all callers.
2049 (Output_data_plt_x86_64::rela_tlsdesc): New function.
2050 (Target_x86_64::rela_tlsdesc_section): New function.
2051 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2052 handling.
2053 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2054 (Target_x86_64::do_reloc_addend): New function.
2055 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2056 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2057 declarations. Define TARGET_CODE. Add arg field to u1_ union.
2058 (Output_reloc::type): New function.
2059 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2060 (Output_reloc::is_target_specific): New function.
2061 (Output_reloc::target_arg): New function.
2062 (class Output_reloc) [SHT_RELA]: Add four new constructors for
2063 absolute relocs and target specific relocs.
2064 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2065 add_target_specific.
2066 (class Output_data_reloc) [SHT_RELA]: Likewise.
2067 * output.cc (Output_reloc::Output_reloc): Add four new versions
2068 for absolute relocs and target specific relocs.
2069 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2070 (Output_reloc::get_symbol_index): Likewise.
2071 (Output_reloc::local_section_offset): Check that local_sym_index_
2072 is not TARGET_CODE or 0.
2073 (Output_reloc::symbol_value): Likewise.
2074 (Output_reloc::write) [SHT_RELA]: Call target for target specific
2075 reloc.
2076 * target.h (class Target): Add reloc_symbol_index and reloc_addend
2077 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
2078 functions.
2079 * layout.cc (add_target_dynamic_tags): Use output section for
2080 DT_PLTRELSZ and DT_JMPREL.
2081
3a44184e
ILT		 20822010-01-07 Ian Lance Taylor <iant@google.com>
2083
2084 PR 11061
2085 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2086 function.
2087 (class Output_data_reloc_generic): Define.
2088 (class Output_data_reloc_base): Change base class to
2089 Output_data_reloc_generic. Change add() method to call
2090 bump_relative_reloc_count for a relative reloc. Remove
2091 sort_relocs_ field.
2092 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2093 to sort_relocs().
2094 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2095 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
2096 appropriate.
2097 * layout.h (class Layout): Update declaration.
2098
ea715a34
ILT		 20992010-01-07 Ian Lance Taylor <iant@google.com>
2100
2101 * output.h (class Output_data): Add const version of
2102 output_section and do_output_section.
2103 (class Output_section_data): Add const version of
2104 do_output_section.
2105 (class Output_section): Likewise.
2106 * layout.cc (Layout::add_target_dynamic_tags): New function.
2107 * layout.h (class Layout): Update declarations.
2108 * arm.cc (Target_arm::do_finalize_sections): Use
2109 add_target_dynamic_tags.
2110 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2111 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2112 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2113 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2114
659948a4
ILT		 21152010-01-07 Ian Lance Taylor <iant@google.com>
2116
2117 PR 11042
2118 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2119 object as needed.
2120
9d3b86f6
ILT		 21212010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
2122 Ian Lance Taylor <iant@google.com>
2123
2124 PR 11019
2125 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2126 Xindex::read_symtab_xindex.
2127
bb0d3eb0
DK		 21282010-01-07 Doug Kwan <dougkwan@google.com>
2129
2130 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2131 (Insn_template::thumb16_bcond_insn): New method declaration.
2132 (Insn_template): Fix spelling.
2133 (Stub::thumb16_special): New method declaration.
2134 (Stub::do_write): Define virtual method which was previously pure
2135 virtual.
2136 (Stub::do_thumb16_special): New method declaration.
2137 (Stub::do_fixed_endian_write): New template member.
2138 (Reloc_stub::do_write): Remove.
2139 (Reloc_stub::do_fixed_endian_write): Remove.
2140 (Cortex_a8_stub): New class definition.
2141 (Stub_factory::make_cortex_a8_stub): New method definition.
2142 (Stub_factory::Stub_factory): Add missing static storage class
2143 qualifier for elf32_arm_stub_a8_veneer_blx.
2144
ffeef7df
ILT		 21452010-01-07 Ian Lance Taylor <iant@google.com>
2146
dc3f80fe
ILT		 2147 PR 10980
2148 * options.h (class General_options): Add --warn-unresolved-symbols
2149 and --error-unresolved-symbols.
2150 * errors.cc (Errors::undefined_symbol): Implement
2151 --warn-unresolved-symbols.
2152
ffeef7df
ILT		 2153 * options.h (class General_options): Add -z text and -z textoff.
2154 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
2155
f1ec9ded
ST		 21562010-01-06 Sriraman Tallam <tmsriram@google.com>
2157
2158 * gc.h (Garbage_collection::Cident_section_map): New typedef.
2159 (Garbage_collection::cident_sections): New function.
2160 (Garbage_collection::add_cident_section): New function.
2161 (Garbage_collection::cident_sections_): New member.
2162 (gc_process_relocs): Add references to sections whose names are C
2163 identifiers.
2164 * gold.h (cident_section_start_prefix): New constant.
2165 (cident_section_stop_prefix): New constant.
2166 (is_cident): New function.
2167 * layout.cc (Layout::define_section_symbols): Replace string constants
2168 with the newly defined constants.
2169 * object.cc (Sized_relobj::do_layout): Track sections whose names are
2170 C identifiers.
2171 * testsuite/Makefile.am: Add gc_orphan_section_test.
2172 * testsuite/Makefile.in: Regenerate.
2173 * testsuite/gc_orphan_section_test.cc: New file.
2174 * testsuite/gc_orphan_section_test.sh: New file.
2175
6eda8c29
ILT		 21762010-01-06 Ian Lance Taylor <iant@google.com>
2177
b9674e17
ILT		 2178 PR 10980
2179 * options.h (class General_options): Add --warn-shared-textrel.
2180 * layout.cc (Layout::finish_dynamic_section): Implement
2181 --warn-shared-textrel.
2182
6eda8c29
ILT		 2183 PR 10980
2184 * options.h (class General_options): Add --warn-multiple-gp.
2185
32dcd44e
ILT		 21862010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2187
2188 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
2189 $(THREADSLIB) and $(LIBDL).
2190 * Makefile.in: Rebuild.
2191
a192ba05
ILT		 21922010-01-06 Ian Lance Taylor <iant@google.com>
2193
2194 PR 10980
2195 * options.cc (General_options::parse_section_start): New function.
2196 (General_options::section_start): New function.
2197 (General_options::General_options): Initialize all members.
2198 * options.h: Include <map>
2199 (class General_options): Add --section-start. Add section_starts_
2200 member.
2201 * layout.cc (Layout::attach_allocated_section_to_segment): If
2202 --section-start was used, set the address of the segment. Remove
2203 local sort_sections.
2204 (Layout::relaxation_loop_body): If the address of the load segment
2205 has been set by --section-start, don't use it.
2206 * output.h (Output_segment::update_flags_for_output_section): New
2207 function.
2208 * output.cc (Output_segment::add_output_section): Call
2209 update_flags_for_output_section.
2210
dde3f402
ILT		 22112010-01-05 Ian Lance Taylor <iant@google.com>
2212
62dfdd4d
ILT		 2213 PR 10980
2214 * options.h (class General_options): Add --undefined-version.
2215 * script.cc (struct Version_expression): Add was_matched_by_symbol
2216 field.
2217 (Version_script_info::matched_symbol): New function.
2218 (Version_script_info::get_symbol_version_helper): Call
2219 matched_symbol.
2220 (Version_script_info::check_unmatched_names): New function.
2221 * script.h (class Version_script_info): Update declarations.
2222 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
2223
9c4ae156
ILT		 2224 * options.h (class General_options): Use DEFINE_bool_alias for
2225 allow_multiple_definition.
2226 * resolve.cc (Symbol_table::should_override): Don't test
2227 allow_multiple_definition.
2228
dde3f402
ILT		 2229 PR 10980
2230 * options.h (class General_options): Add --cref.
2231 * main.cc (main): Print cref table if --cref. Don't close mapfile
2232 until after printing cref table.
2233 * cref.cc: Include "symtab.h".
2234 (class Cref_inputs): Define Cref_table_compare and Cref_table.
2235 (Cref_table_compare::operator()): New function.
2236 (Cref_inputs::gather_cref): New function.
2237 (filecol): New static const.
2238 (Cref_inputs::print_cref): New function.
2239 (Cref::print_cref): New function.
2240 * cref.h: Include <cstdio>.
2241 (class Cref): Update declarations.
2242 * mapfile.h (Mapfile::file): New function.
2243 * object.h (class Object): Define Symbols. Declare virtual
2244 do_get_global_symbols.
2245 (Object::get_global_symbols): New function.
2246 * object.cc (Input_objects::add_object): Pass object to cref_ if
2247 --cref.
2248 (Input_objects::archive_start): Likewise.
2249 (Input_objects::archive_stop): Likewise.
2250 (Input_objects::print_cref): New function.
2251 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
2252 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
2253 --cref.
2254 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
2255 function.
2256 * plugin.h (class Sized_pluginobj): Update declarations.
2257
8781f709
ILT		 22582010-01-05 Ian Lance Taylor <iant@google.com>
2259
2260 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
2261 to is_default_version. Rename insdef to insdefault.
2262 (Symbol_table::add_from_relobj): Rename def to is_default_version
2263 and local to is_forced_local.
2264 (Symbol_table::add_from_pluginobj): Likewise.
2265 (Symbol_table::add_from_dynobj): Likewise.
2266 (Symbol_table::define_special_symbol): Rename insdef to
2267 insdefault.
2268
fe35d28d
ILT		 22692010-01-04 Ian Lance Taylor <iant@google.com>
2270
30bc8c46
ILT		 2271 PR 10980
2272 * options.h (class General_options): Add
2273 --allow-multiple-definition and -z muldefs.
2274 * resolve.cc (Symbol_table::should_override): Don't warn about a
2275 multiple symbol definition if --allow-multiple-definition or -z
2276 muldefs.
2277
7eaea549
ILT		 2278 PR 10980
2279 * options.h (class General_options): Add --add-needed and
2280 --copy-dt-needed-entries. Tweak --as-needed help entry.
2281 * object.cc (Input_objects::check_dynamic_dependencies): Give an
2282 error if --copy-dt-needed-entries aka --add-needed is used and
2283 would cause a change in behaviour.
2284
fe35d28d
ILT		 2285 PR 10980
2286 * options.h (class General_options): Add -G as a short version of
2287 --shared. Add no-op options -assert, -g, and -i.
2288
55a2bb35
ST		 22892010-01-04 Sriraman Tallam <tmsriram@google.com>
2290
2291 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
2292 check for .text or .gnu.linkonce.t sections.
2293 * icf.cc (Icf::find_identical_sections): Ditto.
2294 Change the detection for mangled function name within the section
2295 name.
2296 * icf.h (is_section_foldable_candidate): New function.
2297
719328e1
ILT		 22982009-12-30 Ian Lance Taylor <iant@google.com>
2299
2300 PR 10980
2301 * options.h (class General_options): Permit two dashes with
2302 --retain-symbols-file.
2303
d7bb5745
ILT		 23042009-12-30 Ian Lance Taylor <iant@google.com>
2305
403a15dd
ILT		 2306 PR 10979
2307 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
2308 don't put the file header and segment headers in the text
2309 segment.
2310
eda294df
ILT		 2311 PR 10979
2312 * common.cc (Sort_commons::operator()): Stabilize sort when both
2313 entries are NULL.
2314 (Symbol_table::do_allocate_commons_list): When allocating common
2315 symbols, skip a symbol which is no longer common.
2316 * symtab.h (Symbol::is_common): Test whether the symbol comes from
2317 an object before checking its type.
2318 * testsuite/common_test_2.c: New file.
2319 * testsuite/common_test_3.c: New file.
2320 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
2321 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
2322 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
2323 (common_test_2_pic.o, common_test_2.so): New targets.
2324 (common_test_3_pic.o, common_test_3.so): New targets.
2325 * testsuite/Makefile.in: Rebuild.
2326
d7bb5745
ILT		 2327 PR 10979
2328 * script.cc (read_input_script): If we see a new SECTIONS clause,
2329 and we have added an input section, give an error.
2330 * layout.h (class Layout): Add have_added_input_section function.
2331 Add have_added_input_section_ field.
2332 * layout.cc (Layout::Layout): Initialize
2333 have_added_input_section_.
2334 (Layout::layout): Set have_added_input_section_.
2335 (Layout::layout_eh_frame): Likewise.
2336
fc59c572
ILT		 23372009-12-30 Ian Lance Taylor <iant@google.com>
2338
2339 PR 10931
2340 * options.h (class General_options): Add --sort-common option.
2341 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
2342 * common.cc (Sort_common): Add sort_order parameter to
2343 constructor. Add sort_order_ field.
2344 (Sort_commons::operator): Check sort_order_.
2345 (Symbol_table::allocate_commons): Determine the sort order.
2346 (Symbol_table::do_allocate_commons): Add sort_order parameter.
2347 Change all callers.
2348 (Symbol_table::do_allocate_commons_list): Likewise.
2349
1c74fab0
ILT		 23502009-12-30 Ian Lance Taylor <iant@google.com>
2351
2352 PR 10916
2353 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
2354 symbols from this object, don't change the visibility of an
2355 undefined symbol.
2356 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
2357
6affe781
ILT		 23582009-12-30 Ian Lance Taylor <iant@google.com>
2359
2360 PR 10861
2361 * script.h (class Version_script_info): Define Language enum.
2362 Update declarations. Define Glob, Exact, and Lookup types. Add
2363 new fields globals_, locals_, and is_finalized_.
2364 * script.cc: Various formatting fixes.
2365 (class Parser_closure): Change language_stack_ from a vector of
2366 std::string to one of Version_script_info::Language. Adjust all
2367 uses accordingly.
2368 (class Lazy_demangler): Remove.
2369 (struct Version_expression): Change language from std::string to
2370 Version_script_info::Language.
2371 (Version_script_info::Version_script_info): New function.
2372 (Version_script_info::~Version_script_info): Don't call clear.
2373 (Version_script_info::finalize): New function.
2374 (Version_script_info::build_lookup_tables): New function.
2375 (Version_script_info::build_expression_list_lookup): New
2376 function.
2377 (Version_script_info::get_symbol_version_helper): Rewrite to use
2378 lookup tables.
2379 (Version_script_info::print_expression_list): Adjust to use
2380 Version_script_info::Language.
2381 (script_push_lex_into_version_mode): Check that the version script
2382 has not been finalized.
2383 (version_script_push_lang): Change language string to
2384 Version_script_info::Language.
2385 * options.cc (Command_line::version_script): New function.
2386 * options.h (class General_options): Add finalize_dynamic_list
2387 function. Change version_script from declaration to definition.
2388 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
2389 * testsuite/version_script.map: Remove duplicate def of foo.
2390 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
2391 version_script.map.
2392 * testsuite/Makefile.in: Rebuild.
2393
818bf354
ILT		 23942009-12-30 Ian Lance Taylor <iant@google.com>
2395
2396 PR 10843
2397 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
2398 if the input symbol index is 0, make the output symbol index 0.
2399
ebcc8304
ILT		 24002009-12-30 Ian Lance Taylor <iant@google.com>
2401
2402 PR 10670
2403 * options.h (class General_options): Add -x/--discard-all.
2404 * object.cc (Sized_relobj::do_count_local_symbols): Handle
2405 --discard-all. If the local symbol needs a dynamic entry, check
2406 that before handling --discard-locals.
2407
176fe33f
ILT		 24082009-12-30 Ian Lance Taylor <iant@google.com>
2409
bb321bb1
ILT		 2410 PR 10450
2411 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
2412 flags to PF_R.
2413 (Output_segment::add_output_section): Don't change the flags if
2414 the type is PT_TLS.
2415
176fe33f
ILT		 2416 PR 10450
2417 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
2418 GNU hash table if they need a dynamic value. Otherwise, don't add
2419 them if they are defined in a dynamic object or are forced local.
2420
e8cd95c7
ILT		 24212009-12-29 Ian Lance Taylor <iant@google.com>
2422
1b81fb71
ILT		 2423 PR 10450
2424 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
2425 .gnu.hash table for a 32-bit target.
2426
8d6d383d
ILT		 2427 PR 10450
2428 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
2429 regular and a dynamic object only needs a dynamic symbol table
2430 entry if it is externally visible.
2431
e785ec03
ILT		 2432 PR 10450
2433 * i386.cc (class Target_i386): Initialize global_offset_table_ in
2434 constructor. Add global_offset_table_ field.
2435 (Target_i386::got_section): Set global_offset_table_.
2436 (Target_i386::do_finalize_sections): Set global_offset_table_
2437 size.
2438 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
2439 in constructor. Add global_offset_table_ field.
2440 (Target_x86_64::got_section): Set global_offset_table_.
2441 (Target_x86_64::do_finalize_sections): Set global_offset_table_
2442 size.
2443
1a2dff53
ILT		 2444 * layout.cc (Layout::Layout): Initialize increase_relro_.
2445 (Layout::get_output_section): Add is_relro, is_last_relro, and
2446 is_first_non_relro parameters. Change all callers.
2447 (Layout::choose_output_section): Likewise.
2448 (Layout::add_output_section_data): Likewise.
2449 (Layout::make_output_section): Likewise.
2450 (Layout::set_segment_offsets): Clear increase_relro when using a
2451 linker script.
2452 * layout.h (class Layout): Add increase_relro method. Add
2453 increase_relro_ field. Update declarations.
2454 * output.cc (Output_section::Output_section): Initialize
2455 is_last_relro_ and is_first_non_relro_.
2456 (Output_segment::add_output_section): Group relro sections is
2457 do_sort is true. Handle is_last_relro and is_first_non_relro.
2458 (Output_segment::maximum_alignment): Remove relro handling.
2459 (Output_segment::set_section_addresses): Add increase_relro
2460 parameter. Change all callers. Add initial alignment to align
2461 relro sections on separate page. Remove old relro handling.
2462 (Output_segment::set_section_list_addresses): Remove in_relro
2463 parameter. Change all callers.
2464 (Output_segment::set_offset): Add increase parameter. Change all
2465 callers. Remove old relro handling.
2466 * output.h (class Output_section): Add new methods: is_last_relro,
2467 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
2468 Add is_last_relro_ and is_first_non_relro_ fields.
2469 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
2470 Create separate .got.plt section. Call increase_relro.
2471 * x86_64.cc (Target_x86_64::got_section): Likewise.
2472 * testsuite/relro_script_test.t: Add .got.plt.
2473
f0ba79e2
ILT		 2474 PR 10450
2475 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
2476 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
2477 (Layout::finalize): Call set_dynamic_symbol_size.
2478 (Layout::set_dynamic_symbol_size): New function.
2479 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
2480 set_dynamic_symbol_size.
2481
e8cd95c7
ILT		 2482 PR 10450
2483 * output.h (class Output_section): Add is_entsize_zero_ field.
2484 * output.cc (Output_section::Output_section): Initialize
2485 is_entsize_zero_.
2486 (Output_section::set_entsize): If two different entsizes are
2487 requested, force it to zero.
2488 (Output_section::add_input_section): Set flags for .debug_str
2489 before updating section flags. Set entsize.
2490 (Output_section::update_flags_for_input_section): Set SHF_MERGE
2491 and SHF_STRING if all input sections have those flags.
2492
3e1b9a8a
RÁE		 24932009-12-29 Rafael Espindola <espindola@google.com>
2494
2495 * main.cc (main): Fix the sys time reporting.
e8cd95c7
ILT		 2496 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
2497 reporting.
3e1b9a8a 2498
3dcad376
ST		 24992009-12-29 Sriraman Tallam <tmsriram@google.com>
2500
2501 * options.cc (General_options::parse_version): Allow -v to exit
2502 without an error if there is nothing to link.
2503
084e2665
ILT		 25042009-12-29 Ian Lance Taylor <iant@google.com>
2505
2506 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
2507 using a version of gcc before 4.1.
2508 * configure: Rebuild.
2509
250acde3
CD		 25102009-12-28 Chris Demetriou <cgd@google.com>
2511
2512 * attributes.cc (Output_attributes_section_data::do_write): Use
2513 std::vector::front rather than std::vector::data.
2514
99fff23b
ILT		 25152009-12-28 Ian Lance Taylor <iant@google.com>
2516
2517 * symtab.h (class Symbol_table): Add enum Defined.
2518 * resolve.cc (Symbol_table::should_override): Add defined
2519 parameter. Change all callers. Test whether object is NULL
2520 before calling a method on it.
2521 (Symbol_table::report_resolve_problem): Add defined parameter.
2522 Change all callers.
2523 (Symbol_table::should_override_with_special): Likewise.
2524 * symtab.cc (Symbol_table::define_in_output_data): Add defined
2525 parameter. Change all callers.
2526 (Symbol_table::do_define_in_output_data): Likewise.
2527 (Symbol_table::define_in_output_segment): Likewise.
2528 (Symbol_table::do_define_in_output_segment): Likewise.
2529 (Symbol_table::define_as_constant): Likewise.
2530 (Symbol_table::do_define_as_constant): Likewise.
2531 * script.h (class Symbol_assignment): Add is_defsym parameter to
2532 constructor; change all callers.
2533 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
2534 parameter. Change all callers. Add is_defsym_ field.
2535 (class Parser_closure): Add parsing_defsym parameter to
2536 constructor; change all callers. Add parsing_defsym accessor
2537 function. Add parsing_defsym_ field.
2538
556bd683
ILT		 25392009-12-28 Ian Lance Taylor <iant@google.com>
2540
2541 * gold.cc (queue_middle_tasks): Fix formatting.
fa618ee4 2542 * object.cc (Relobj::is_section_name_included): Likewise.
556bd683 2543
1782c879
ILT		 25442009-12-23 Ian Lance Taylor <iant@google.com>
2545
2546 * i386.cc (Target_i386::do_calls_non_split): Recognize
2547 -fsplit-stack prologue for a function with a static chain.
cbc999b9
ILT		 2548 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
2549 -fsplit-stack prologue when using %r11.
1782c879 2550
329ca2b1
ST		 25512009-12-21 Sriraman Tallam <tmsriram@google.com>
2552
2553 * options.cc (General_options::parse_version): Make -v continue and do
2554 the link like GNU ld does.
2555
d675ff46
RÁE		 25562009-12-17 Rafael Avila de Espindola <espindola@google.com>
2557
2558 * Makefile.am (CCFILES): Add timer.cc.
2559 (HFILES): Add timer.h.
2560 * configure.ac: Check for sysconf and times.
2561 * main.cc: include timer.h.
2562 (main): Use Timer instead of get_run_time.
2563 * timer.cc: New.
2564 * timer.h: New.
2565 * workqueue.cc: include timer.h.
2566 (Workqueue::find_and_run_task):
2567 Report user, sys and wall time.
2568 * Makefile.in: Regenerate.
2569 * config.in: Regenerate.
2570 * configure: Regenerate.
2571
d6344fb5
DK		 25722009-12-16 Doug Kwan <dougkwan@google.com>
2573
2574 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
2575 sections.
2576 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
2577 relaxed input sections.
2578 * output.cc (Output_section::find_relaxed_input_section): Change
2579 return type to Output_relaxed_input_section pointer. Adjust code
2580 for new type of relaxed_input_section_map_.
2581 * output.h (Output_section::find_relaxed_input_section): Change
2582 return type to Output_relaxed_input_section pointer.
2583 (Output_section::Output_relaxed_input_section_by_input_section_map):
2584 New type.
2585 (Output_section::relaxed_input_section_map_): Change type to
2586 Output_section::Output_relaxed_input_section_by_input_section_map.
2587 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
2588 input section.
2589
0e0d5469
ILT		 25902009-12-15 Ian Lance Taylor <iant@google.com>
2591
2592 * layout.cc (Layout::create_shstrtab): Only write out after input
2593 sections if we are compressing debug sections.
2594
0649a889
ILT		 25952009-12-15 Ian Lance Taylor <iant@google.com>
2596
2597 * archive.cc (Archive::add_symbols): Only look up a symbol without
2598 a version if there is, in fact, a version.
2599
2ea97941
ILT		 26002009-12-14 Ian Lance Taylor <iant@google.com>
2601
2602 Revert -Wshadow changes, all changes from:
2603 2009-12-11 Doug Kwan <dougkwan@google.com>
2604 2009-12-11 Nick Clifton <nickc@redhat.com>
2605 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
2606
b0eec2cc
DK		 26072009-12-11 Doug Kwan <dougkwan@google.com>
2608
2609 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
2610 due to -Wshadow.
2611 * attributes.cc (Object_attribute::size): Ditto.
2612 (Attributes_section_data::size): Ditto.
2613 (Attributes_section_data::Attributes_section_data): Ditto.
2614 (Output_attributes_section_data::do_write): Ditto.
2615 * attributes.h (Object_attribute::set_type): Ditto.
2616 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
2617
91d6fa6a
NC		 26182009-12-11 Nick Clifton <nickc@redhat.com>
2619
2620 * archive.cc: Fix shadowed variable warnings.
2621 * arm.cc: Likewise.
2622 * compressed_output.cc: Likewise.
2623 * compressed_output.h: Likewise.
2624 * configure: Likewise.
2625 * dwarf_reader.cc: Likewise.
2626 * dynobj.cc: Likewise.
2627 * dynobj.h: Likewise.
2628 * ehframe.cc: Likewise.
2629 * ehframe.h: Likewise.
2630 * errors.cc: Likewise.
2631 * expression.cc: Likewise.
2632 * fileread.cc: Likewise.
2633 * fileread.h: Likewise.
2634 * freebsd.h: Likewise.
2635 * i386.cc: Likewise.
2636 * icf.cc: Likewise.
2637 * incremental.h: Likewise.
2638 * layout.cc: Likewise.
2639 * layout.h: Likewise.
2640 * mapfile.cc: Likewise.
2641 * merge.cc: Likewise.
2642 * merge.h: Likewise.
2643 * object.cc: Likewise.
2644 * object.h: Likewise.
2645 * options.h: Likewise.
2646 * output.cc: Likewise.
2647 * output.h: Likewise.
2648 * parameters.cc: Likewise.
2649 * plugin.cc: Likewise.
2650 * powerpc.cc: Likewise.
2651 * reduced_debug_output.cc: Likewise.
2652 * reduced_debug_output.h: Likewise.
2653 * reloc.cc: Likewise.
2654 * reloc.h: Likewise.
2655 * resolve.cc: Likewise.
2656 * script-sections.cc: Likewise.
2657 * script.cc: Likewise.
2658 * script.h: Likewise.
2659 * sparc.cc: Likewise.
2660 * symtab.cc: Likewise.
2661 * symtab.h: Likewise.
2662 * target-select.cc: Likewise.
2663 * target-select.h: Likewise.
2664 * token.h: Likewise.
2665 * workqueue.cc: Likewise.
2666 * workqueue.h: Likewise.
2667 * x86_64.cc: Likewise.
2668
a0351a69
DK		 26692009-12-10 Doug Kwan <dougkwan@google.com>
2670
2671 * arm.cc (attributes.h): New include.
2672 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
2673 (Arm_relobj::~Arm_relobj): Delete object pointed by
2674 attributes_section_data_.
2675 (Arm_relobj::attributes_section_data): New method definition.
2676 (Arm_relobj::attributes_section_data_): New data member declaration.
2677 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
2678 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
2679 attributes_section_data_.
2680 (Arm_dynobj::attributes_section_data): New method definition.
2681 (Arm_dynobj::attributes_section_data_): New data member declaration.
2682 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
2683 initialization value of may_use_blx_ to false.
2684 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
2685 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
2686 object attributes to compute results instead of hard-coding.
2687 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
2688 Target_arm::get_secondary_compatible_arch,
2689 Target_arm::set_secondary_compatible_arch
2690 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2691 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
2692 New method declarations.
2693 (Target_arm::get_aeabi_object_attribute): New method definition.
2694 (Target_arm::attributes_section_data_): New data member declaration.
2695 (read_arm_attributes_section): New template definition.
2696 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
2697 (Arm_dynobj::do_read_symbols): Ditto.
2698 (Target_arm::do_finalize_sections): Merge attributes sections from
2699 input. Check for BLX use after attributes section merging.
2700 Fix __exidx_start and __exidx_end visibility. Create an
2701 .ARM.attributes section if necessary.
2702 (Target_arm::get_secondary_compatible_arch,
2703 Target_arm::set_secondary_compatible_arch,
2704 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
2705 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
e1df38aa 2706 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
a0351a69
DK		 2707 New method definitions.
2708
b59befec
ILT		 27092009-12-09 Ian Lance Taylor <iant@google.com>
2710
2711 * plugin.cc (Plugin::load): Don't cast from void* to a function
2712 pointer.
2713
1276bc89
ILT		 27142009-12-09 Ian Lance Taylor <iant@google.com>
2715
2716 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
2717 information fields.
2718
2f2de248
L		 27192009-12-09 H.J. Lu <hongjiu.lu@intel.com>
2720
2721 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
2722 Replace two_file_shared_1.so with two_file_shared_2.so.
2723 * testsuite/Makefile.in: Regenerated.
2724
4f787271
DK		 27252009-12-08 Doug Kwan <dougkwan@google.com>
2726
2727 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
2728 (HFILES): Add attributes.h and int_encoding.h.
2729 * Makefile.in: Regenerate.
2730 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
2731 function definitions to int_encoding.cc
2732 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
2733 prototypes to int_encoding.h
2734 * reduced_debug_output.cc (int_encoding.h): New include.
2735 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
2736 function definitions to int_encoding.cc
2737 (insert_into_vector, read_from_pointer): Move template definitions to
2738 int_encoding.h
2739 * attributes.cc: New file.
2740 * attributes.h: New file.
2741 * int_encoding.cc: New file.
2742 * int_encoding.h: New file.
2743
20b52f1a
RÁE		 27442009-12-07 Rafael Avila de Espindola <espindola@google.com>
2745
2746 PR gold/11055
2747 * incremental-dump.cc (dump_incremental_inputs): New.
2748 (main): Use dump_incremental_inputs.
2749
53d7974c
L		 27502009-12-07 H.J. Lu <hongjiu.lu@intel.com>
2751
2752 PR gold/10893
2753 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
2754 checking elfcpp::STT_FUNC.
2755 (Target_i386::Relocate::relocate): Likewise.
2756 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
2757
2758 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
2759 symbols from shared libraries into normal FUNC symbols.
2760
2761 * symtab.h (Symbol): Add is_func and use it.
2762
05a352e6
DK		 27632009-12-05 Doug Kwan <dougkwan@google.com>
2764
2765 * arm.cc (Target_arm::arm_info): Initialize new fields
2766 attributes_section and attributes_vendor.
2767 * i386.cc (Target_i386::i386_info): Same.
2768 * object.cc (Sized_relobj::do_layout): Skip attribute section.
2769 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
2770 fields attributes_section and attributes_vendor.
53d7974c 2771 * sparc.cc (Target_sparc::sparc_info): Same.
05a352e6
DK		 2772 * target.h (Target::attributes_section, Target::attributes_vendor,
2773 Target::is_attributes_section, Target::attribute_arg_type,
2774 Target::attributes_order): New method definitions.
2775 (Target::Target_info::attributes_section,
2776 Target::Target_info::attributes_vendor): New fields.
2777 (Target::do_attribute_arg_type, Target::do_attributes_order): New
2778 virtual method definitions.
2779 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
2780 attributes_section and attributes_vendor.
2781 * testsuite/testfile.cc (Target_test::test_target_info): Same.
2782
f4e5969c
DK		 27832009-12-05 Doug Kwan <dougkwan@google.com>
2784
2785 * arm.cc: Update comments about interworking and stub generation.
2786 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
2787 considered as non-PIC.
2788 (Arm_relocate_functions::base_abs): Fix formatting.
2789 (Arm_relocate_functions::got_prel): Fix comment. Change interface
2790 of function to use GOT entry address instead of offset.
2791 (Target_arm::Scan::global): Issue an error if a symbol would need a
2792 PLT does not get one because it is untyped. Remove code to create
2793 dynamic symbols for relative branches.
2794 (Target_arm::Relocate::relocate: Use 0 instead of false since function
2795 takes unsigned integer instead of boolean.
2796
1abce4a6
L		 27972009-12-05 H.J. Lu <hongjiu.lu@intel.com>
2798
2799 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
2800 (two_file_test_LDADD): Likewise.
2801 (common_test_1_LDADD): Likewise.
2802 (exception_test_LDADD) Likewise.
2803 (weak_test_LDADD): Likewise.
2804 (many_sections_test_LDADD): Likewise.
2805 (initpri1_LDADD): Likewise.
2806 (script_test_1_LDADD): Likewise.
2807 (script_test_2_LDADD): Likewise.
2808 (justsyms_LDADD): Likewise.
2809 (binary_test_LDADD): Likewise.
2810 (large_LDADD): Likewise.
2811 * testsuite/Makefile.in: Regenerated.
2812
adcf2816 28132009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1abce4a6 2814
adcf2816
L		 2815 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
2816 (Symbol_table::override_with_special): Likewise.
2817 (Symbol_table::add_from_object): Likewise.
2818
28e67f5d
RÁE		 28192009-12-04 Rafael Avila de Espindola <espindola@google.com>
2820
2821 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2822 Don't set the data_offset twice.
2823
ae10a101
RÁE		 28242009-12-04 Rafael Avila de Espindola <espindola@google.com>
2825
2826 * testsuite/Makefile.in: Regenerate.
2827
f59f41f3
DK		 28282009-12-03 Doug Kwan <dougkwan@google.com>
2829
2830 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
2831 (Target_arm::do_finalize_sections): Add parameter for symbol table
2832 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
2833 * i386.cc (Target_i386::do_finalize_sections): Add an additional
2834 parameter for symbol table pointer.
2835 * layout.cc (Layout::finalize): Call Target::finalize_sections with
2836 an additional parameter for a pointer to symbol table.
2837 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
2838 parameter for a symbol table pointer.
2839 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
2840 * target.h (Target::finalize_sections, Target::do_finalize_sections):
2841 Ditto.
2842 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
2843 parameter for a symbol table pointer.
2844
ca55d848
RÁE		 28452009-12-03 Rafael Avila de Espindola <espindola@google.com>
2846
2847 * incremental.cc (Incremental_inputs_header)
2848 (Incremental_inputs_header_write, Incremental_inputs_entry)
2849 (Incremental_inputs_entry_write): Move ...
2850 * incremental.h (Incremental_inputs_header)
2851 (Incremental_inputs_header_write, Incremental_inputs_entry)
2852 (Incremental_inputs_entry_write): here.
2853
3aec4f9c
RÁE		 28542009-12-02 Rafael Avila de Espindola <espindola@google.com>
2855
2856 * incremental.cc (make_sized_incremental_binary): Set the target.
2857 Error if it is incompatible.
2858 * output.h (Output_file): Add filename method.
2859
9c0ae74d
RÁE		 28602009-12-02 Rafael Avila de Espindola <espindola@google.com>
2861
2862 * incremental.cc (Incremental_inputs_entry): Remove unused argument
2863 from the get_* methods.
2864
a45500ae
RÁE		 28652009-12-02 Rafael Avila de Espindola <espindola@google.com>
2866
2867 * incremental-dump.cc (main): Check that the offeset of a script is 0.
2868 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
2869 Write 0 for the data_offset of scripts.
2870
325e6408
RÁE		 28712009-12-02 Rafael Avila de Espindola <espindola@google.com>
2872
2873 * testsuite/Makefile.am: Add the incremental_test.sh test.
2874 * testsuite/incremental_test.sh: New.
2875 * testsuite/incremental_test_1.c: New.
2876 * testsuite/incremental_test_2.c: New.
2877
954c3e2e
RÁE		 28782009-12-01 Rafael Avila de Espindola <espindola@google.com>
2879
2880 * incremental-dump.cc (main): Fix typos.
2881
f8086623
RÁE		 28822009-11-27 Rafael Avila de Espindola <espindola@google.com>
2883
2884 PR gold/11025
2885 * incremental-dump.cc (main): Use llu to print 64 bit values.
2886
3b0dd6ac
L		 28872009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
2888 H.J. Lu <hongjiu.lu@intel.com>
2889
2890 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
2891 $(LIBDL).
2892 (incremental_dump_LDADD): Likewise.
2893 * Makefile.in: Regenerated.
2894
a6d1ef57 28952009-11-25 Doug Kwan <dougkwan@google.com>
e1df38aa 2896
a6d1ef57
DK		 2897 Revert:
2898
2899 2009-11-25 Doug Kwan <dougkwan@google.com>
2900
2901 * arm.cc (Target_arm::Target_arm): Move method definition
2902 outside of class definition. Add code to handle
2903 --target1-rel, --target1-abs and --target2= options.
2904 (Target_arm::get_reloc_reloc_type): Change method to be
2905 non-static and const.
2906 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
2907 New data member declaration.
2908 (Target_arm::Scan::local, Target_arm::Scan::global,
2909 Target_arm::Relocate::relocate,
2910 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2911 Adjust call to Target_arm::get_real_reloc_type.
2912 (Target_arm::get_real_reloc_type): Use command line options
2913 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2914 * options.h (--target1-rel, --target1-abs, --target2): New
2915 ARM-only options.
2916
50aeb7d4
DK		 29172009-11-25 Doug Kwan <dougkwan@google.com>
2918
2919 * arm.cc (Target_arm::Target_arm): Move method definition outside of
2920 class definition. Add code to handle --target1-rel, --target1-abs
2921 and --target2= options.
2922 (Target_arm::get_reloc_reloc_type): Change method to be non-static
2923 and const.
2924 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
2925 member declaration.
2926 (Target_arm::Scan::local, Target_arm::Scan::global,
2927 Target_arm::Relocate::relocate,
2928 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
2929 call to Target_arm::get_real_reloc_type.
2930 (Target_arm::get_real_reloc_type): Use command line options to
2931 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
2932 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
2933 options.
2934
51938283
DK		 29352009-11-25 Doug Kwan <dougkwan@google.com>
2936
2937 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
2938 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
2939 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
2940 formatting.
2941 (Arm_relocate_functions::thm_call): Replace body with a call to
2942 Arm_relocate_functions::thumb_branch_common.
2943 (Arm_relocate_functions::thm_jump24,
2944 Arm_relocate_functions::thm_xpc22): New method definitions.
2945 (Arm_relocate_functions::thumb_branch_common): New method definition.
2946 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
2947 operator.
2948 (Target_arm::Relocate::relocate): Adjust call to thm_call.
2949 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
2950
e2b8f3c4
RÁE		 29512009-11-24 Rafael Avila de Espindola <espindola@google.com>
2952
2953 * Makefile.am: Build incremental-dump
2954 * Makefile.in: Regenerate.
2955 * incremental-dump.cc: New.
2956 * incremental.cc (Incremental_inputs_header_data,
2957 Incremental_inputs_entry_data): Move to incremental.h
2958 * incremental.h: (Incremental_inputs_header_data,
2959 Incremental_inputs_entry_data): Move from incremental.cc
2960
bcba9aec
RÁE		 29612009-11-24 Rafael Avila de Espindola <espindola@google.com>
2962
2963 * incremental.cc (Incremental_inputs_header,
2964 Incremental_inputs_header_write, Incremental_inputs_entry,
2965 Incremental_inputs_entry_write): Add a typedef with the data type.
2966
7c3afe08
RÁE		 29672009-11-24 Rafael Avila de Espindola <espindola@google.com>
2968
2969 * incremental.cc (Incremental_inputs_header,
2970 Incremental_inputs_header_write, Incremental_inputs_entry,
2971 Incremental_inputs_entry_write): Update comment about which
2972 type has the filed descriptions.
2973
d204b6e9
DK		 29742009-11-15 Doug Kwan <dougkwan@google.com>
2975
2976 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
2977 (Arm_relocate_functions::arm_branch_common): Change method defintion
2978 in class definition to a method declaration and update list of formal
2979 parameters.
2980 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2981 Arm_relocation_functions::jump24): Adjust call to
2982 Arm_relocate_functions::arm_branch_common. Update list of formal
2983 parameters.
2984 (Arm_relocate_functions::xpc25): New method definition.
2985 (Arm_relocate_functions::arm_branch_common): Move method defintion
2986 out from class definition. Use stubs for mode-switching and extending
2987 branch ranges.
2988 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2989 specially. Change code to enable use of stubs in ARM branches.
2990
43d12afe
DK		 29912009-11-10 Doug Kwan <dougkwan@google.com>
2992
2993 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2994 in method declaration.
2995 (Target_arm::relocate_stub): New method declaration.
2996 (Target_arm::default_target): Change to return a pointer instead of
2997 a const reference.
2998 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2999 Target_arm::default_target.
3000 (Arm_Relobj::do_relocate_sections): Remove options paramater in
3001 method definition.
3002 (Target_arm::relocate_section): Adjust view.
3003 (Target_arm::relocate_stub): New method definition.
3004
ac33a407
DK		 30052009-11-10 Doug Kwan <dougkwan@google.com>
3006
3007 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3008 a format warning.
3009 * incremental.cc (open_incremental_binary): Initialized local
3010 variables to avoid warnings.
3011 * object.cc (make_elf_object): Ditto.
3012 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3013 a format warning.
e1df38aa 3014
88ee28e9
L		 3015009-11-09 H.J. Lu <hongjiu.lu@intel.com>
3016
3017 PR gold/10930
3018 * testsuite/plugin_test.c: Include "config.h".
3019
2daedcd6
DK		 30202009-11-09 Doug Kwan <dougkwan@google.com>
3021
3022 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3023 (arm_symbol_value): Remove.
3024 (Arm_relocate_functions::arm_branch_common,
3025 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3026 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3027 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3028 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3029 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3030 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3031 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3032 Arm_relocate_functions::thm_mobw_abs_nc,
3033 Arm_relocate_functions::thm_mov_abs,
3034 Arm_relocate_functions::movw_prel_nc,
3035 Arm_relocate_functions::thm_movt_abs,
3036 Arm_relocate_functions::movt_prel,
3037 Arm_relocate_functions::thm_movw_prel_nc,
3038 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3039 (Target_arm::Relocate::relocate): Only decompose address into two
3040 parts if relocation type uses the thumb-bit and pass the actual
3041 bit instead of a flag indicating that the thumb-bit is used. Adjust
3042 calls to methods in Arm_relocate_functions for this change.
3043
1276bc89 30442009-11-08 Ian Lance Taylor <iant@google.com>
3e4afc80
ILT		 3045
3046 PR 10925
3047 * reloc.cc: Instantiate
3048 Sized_relobj::initialize_input_to_output_maps and
3049 Sized_relobj:free_input_to_output_maps.
3050
e53ad1b5
ILT		 30512009-11-06 Ian Lance Taylor <iant@google.com>
3052
3053 PR 10876
3054 * defstd.cc (in_segment): Set only_if_ref true for "end".
3055
eb44217c
DK		 30562009-11-06 Doug Kwan <dougkwan@google.com>
3057
3058 * arm.cc (class Reloc_stub): Correct a comment.
3059 (Target_arm::Target_arm): Initialize arm_input_section_map_.
3060 (Target_arm::scan_section_for_stubs): New method declaration.
3061 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3062 Change methods from private to protected.
3063 (Target_arm::do_may_relax): New method definition.
3064 (Target_arm::do_relax, Target_arm::group_sections,
3065 Target_arm::scan_reloc_for_stub,
3066 Target_arm::scan_reloc_section_for_stubs): New method declarations.
3067 (Target_arm::arm_input_section_map_): New data member declaration.
3068 (Target_arm::scan_reloc_for_stub,
3069 Target_arm::scan_reloc_section_for_stubs,
3070 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3071 Target_arm::do_relax): New method definitions.
3072
5d329b7d
ILT		 30732009-11-06 Mikolaj Zalewski <mikolaj@google.com>
3074
3075 * configure.ac: Check for (struct stat)::st_mtim
3076 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3077 * config.in: Regenerate.
3078 * configure: Regenerate.
3079
96a0d71b
ILT		 30802009-11-05 Ian Lance Taylor <iant@google.com>
3081
3082 PR 10910
3083 * output.cc (Output_segment::add_output_section): Add missing
3084 return statement.
3085
594c8e5e
ILT		 30862009-11-04 Ian Lance Taylor <iant@google.com>
3087
3088 PR 10880
3089 * object.h (class Object): Add is_needed and set_is_needed
3090 methods. Add is_needed_ field. Make bool fields into bitfields.
3091 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3092 defined in a dynamic object and referenced by a regular object,
3093 set is_needed for the dynamic object.
3094 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3095 if the file is marked with as_needed and it is not needed.
3096
22b127cc
ILT		 30972009-11-04 Ian Lance Taylor <iant@google.com>
3098
3099 PR 10887
3100 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3101 tags if data is discarded by linker script.
3102 * i386.cc (Target_i386::do_finalize_sections): Likewise.
3103 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3104 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3105 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3106
f5c870d2
ILT		 31072009-11-04 Ian Lance Taylor <iant@google.com>
3108
3109 * layout.cc (Layout::get_output_section): Add is_interp and
3110 is_dynamic_linker_section parameters. Change all callers.
3111 (Layout::choose_output_section): Likewise.
3112 (Layout::make_output_section): Likewise.
3113 (Layout::add_output_section_data): Add is_dynamic_linker_section
3114 parameter. Change all callers.
3115 * layout.h (class Layout): Update declarations.
3116 * output.h (class Output_section): Add is_interp, set_is_interp,
3117 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3118 Add is_interp_, is_dynamic_linker_section_ fields. Change
3119 generate_code_fills_at_write_ to a bitfield.
3120 * output.cc (Output_section::Output_sections): Initialize new
3121 fields.
3122 (Output_segment::add_output_section): Add do_sort parameter.
3123 Change all callers.
3124
1ae4d23b
ILT		 31252009-11-03 Ian Lance Taylor <iant@google.com>
3126
3127 PR 10860
3128 * options.h (class General_options): Add --warn-common.
3129 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3130 merging two common symbols.
3131 (Symbol_table::should_override): Handle --warn-common when merging
3132 a common symbol with a defined symbol. Use report_resolve_problem
3133 for multiple definitions.
3134 (Symbol_table::report_resolve_problem): New function.
3135 * symtab.h (class Symbol_table): Declare report_resolve_problem.
3136
55da9579
DK		 31372009-11-03 Doug Kwan <dougkwan@google.com>
3138
3139 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
3140 stub_factory_.
3141 (Target_arm::stub_factory): New method definition.
3142 (Target_arm::new_arm_input_section,
3143 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
3144 Target_arm::reloc_uses_thumb_bit): New method declarations.
e1df38aa 3145 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
55da9579
DK		 3146 New type definitions.
3147 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
3148 member declarations.
3149 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
3150 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
3151 New method definitions.
3152
37a9ac43
ILT		 31532009-11-03 Ian Lance Taylor <iant@google.com>
3154
3155 * options.h (class General_options): Add --warn_constructors.
3156
b3d6a3d4
ILT		 31572009-11-03 Ian Lance Taylor <iant@google.com>
3158
3159 PR 10893
3160 * defstd.cc (in_section): Add entries for __rel_iplt_start,
3161 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
3162
934b01dd
ILT		 31632009-11-03 Ian Lance Taylor <iant@google.com>
3164
3165 PR 10895
3166 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
3167 --msgid-bugs-address.
3168 (install-pdf): New target.
3169 (install-data_yes): Look up one directory to find mkinstalldirs.
3170
03c1939b
L		 31712009-11-03 H.J. Lu <hongjiu.lu@intel.com>
3172
3173 * po/Make-in (.po.gmo): Don't generate .gmo files in source
3174 tree.
3175
ebd95253
DK		 31762009-10-30 Doug Kwan <dougkwan@google.com>
3177
3178 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
3179
e9bbb538
DK		 31802009-10-30 Doug Kwan <dougkwan@google.com>
3181
3182 * arm.cc (Stub_addend_reader): New struct template definition
3183 and partial specializations.
3184 (Stub_addend_reader::operator()): New method definition for a
3185 partially specialized template.
3186
d5b40221
DK		 31872009-10-30 Doug Kwan <dougkwan@google.com>
3188
3189 * arm.cc (Arm_relobj::processor_specific_flags): New method
3190 definition.
3191 (Arm_relobj::do_read_symbols): New method declaration.
3192 (Arm_relobj::processor_specific_flags_): New data member declaration.
3193 (Arm_dynobj): New class definition.
3194 (Target_arm::do_finalize_sections): Add input_objects parameter.
3195 (Target_arm::do_adjust_elf_header): New method declaration.
3196 (Target_arm::are_eabi_versions_compatible,
3197 (Target_arm::merge_processor_specific_flags): New method declaration.
3198 (Target_arm::do_make_elf_object): New overloaded method definitions
3199 and declaration.
3200 (Arm_relobj::do_read_symbols): New method definition.
3201 (Arm_dynobj::do_read_symbols): Ditto.
3202 (Target_arm::do_finalize_sections): Add input_objects parameters.
3203 Merge processor-specific flags from all input objects.
3204 (Target_arm::are_eabi_versions_compatible,
3205 Target_arm::merge_processor_specific_flags,
3206 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
3207 New method definitions.
3208 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
3209 Input_objects pointer type parameter.
3210 * layout.cc (Layout::finalize): Pass input objects to target's.
3211 finalize_sections function.
3212 * output.cc (Output_file_header::do_sized_write): Set ELF file
3213 header's processor-specific flags.
3214 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
3215 Input_objects pointer type parameter.
3216 * sparc.cc (Target_sparc::do_finalize_sections): Same.
3217 * target.h (Input_objects): New forward class declaration.
3218 (Target::processor_specific_flags,
3219 Target::are_processor_specific_flags_sect): New method definitions.
3220 (Target::finalize_sections): Add input_objects parameter.
3221 (Target::Target): Initialize processor_specific_flags_ and
3222 are_processor_specific_flags_set_.
3223 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
3224 parameter.
3225 (Target::set_processor_specific_flags): New method definition.
3226 (Target::processor_specific_flags_,
3227 Target::are_processor_specific_flags_set_): New data member
3228 declarations.
3229 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
3230 Input_objects pointer type parameter.
3231
ebabffbd
DK		 32322009-10-30 Doug Kwan <dougkwan@google.com>
3233
3234 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
3235
ad0f2072
ILT		 32362009-10-28 Ian Lance Taylor <iant@google.com>
3237
3238 * object.h (class Relobj): Drop options parameter from
3239 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
3240 do_scan_relocs, do_relocate. Change all callers.
3241 (class Sized_relobj): Drop options parameters from
3242 do_gc_process_relocs, do_scan_relocs, do_relocate,
3243 do_relocate_sections, relocate_sections, emit_relocs_scan,
3244 emit_relocs_scan_reltype. Change all callers.
3245 (struct Relocate_info): Remove options field and all references to
3246 it.
3247 * reloc.h (class Read_relocs): Remove options constructor
3248 parameter and options_ field. Change all callers.
3249 (class Gc_process_relocs, class Scan_relocs): Likewise.
3250 (class Relocate_task): Likewise.
3251 * target-reloc.h (scan_relocs): Remove options parameter. Change
3252 all callers.
3253 (scan_relocatable_relocs): Likewise.
3254 * target.h (class Sized_target): Remove options parameter from
3255 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
3256 all callers.
3257 * gc.h (gc_process_relocs): Remove options parameter. Change all
3258 callers.
3259 * arm.cc: Update functions to remove options parameters.
3260 * i386.cc: Likewise.
3261 * powerpc.cc: Likewise.
3262 * sparc.cc: Likewise.
3263 * x86_64.cc: Likewise.
3264 * testsuite/testfile.cc: Likewise.
3265
8ffa3667
DK		 32662009-10-28 Doug Kwan <dougkwan@google.com>
3267
3268 * arm.cc (Arm_relobj): New class definition.
e1df38aa 3269 (Arm_relobj::scan_sections_for_stubs,
8ffa3667
DK		 3270 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
3271 New method definitions.
3272
40f36857
CC		 32732009-10-28 Cary Coutant <ccoutant@google.com>
3274
3275 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
3276 (Plugin::cleanup_done_): New member.
3277 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
3278 (Plugin_manager::cleanup_done_): Remove.
3279 (Plugin_manager::add_input_file): Edit error message.
3280 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
3281 (Plugin_manager::cleanup): Remove use of cleanup_done_.
3282
2c849493
ILT		 32832009-10-27 Mikolaj Zalewski <mikolajz@google.com>
3284
3285 * fileread.cc: (File_read::View::~View): Use the new
3286 data_ownership_ filed.
3287 (File_read::~File_read): Dispose the new whole_file_view_.
3288 (File_read::open): Mmap the whole file if needed.
3289 (File_read::open): Use whole_file_view_ instead of contents_.
3290 (File_read::find_view): Use whole_file_view_ if applicable.
3291 (File_read::do_read): Use whole_file_view_ instead of contents_.
3292 (File_read::make_view): Use whole_file_view_ instead of contents_,
3293 update File_read::View::View call.
3294 (File_read::find_or_make_view): Update File_read::View::View
3295 call.
3296 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
3297 remove contents_
3298 (File_read::View::Data_ownership): New enum.
3299 (File_read::View::View): Replace bool mapped_ with Data_ownership
3300 argument.
3301 (File_read::View::mapped_): Remove (replaced by data_ownership_).
3302 (File_read::View::data_ownership_): New field.
3303 (File_read::contents_): Remove (replaced by whole_file_view_).
3304 (File_read::whole_file_view_): New field.
3305 * options.h (class General_options): Add --keep-files-mapped.
3306
24998053
CC		 33072009-10-27 Cary Coutant <ccoutant@google.com>
3308
3309 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
3310 * testsuite/Makefile.am (plugin_test_5): New test case.
3311 * testsuite/Makefile.in: Regenerate.
3312
72adc4fa
DK		 33132009-10-25 Doug Kwan <dougkwan@google.com>
3314
3315 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
3316 from private to protected to allow access by child class.
3317 (Sized_relobj::do_relocate_sections): New method declaration.
3318 (Sized_relobj::relocate_sections): Virtualize.
e1df38aa 3319 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
72adc4fa
DK		 3320 Sized_relobj::relocate_sections. Instantiate template explicitly
3321 for different target sizes and endianity.
3322
07f508a2
DK		 33232009-10-24 Doug Kwan <dougkwan@google.com>
3324
3325 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
3326 (Arm_input_section::as_arm_input_section): New method.
3327 (Arm_output_section): New class definition.
3328 (Arm_output_section::create_stub_group,
3329 Arm_output_section::group_sections): New method definitions.
3330
10ad9fe5
DK		 33312009-10-22 Doug Kwan <dougkwan@google.com>
3332
3333 * arm.cc (Arm_input_section): New class definition.
3334 (Arm_input_section::init, Arm_input_section:do_write,
3335 Arm_input_section::set_final_data_size,
3336 Arm_input_section::do_reset_address_and_file_offset): New method
3337 definitions.
3338
56ee5e00
DK		 33392009-10-21 Doug Kwan <dougkwan@google.com>
3340
3341 * arm.cc (Stub_table, Arm_input_section): New forward class
3342 declarations.
3343 (Stub_table): New class defintion.
3344 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
3345 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
3346 New method definition.
3347
b569affa
DK		 33482009-10-21 Doug Kwan <dougkwan@google.com>
3349
3350 * arm.cc: Update copyright comments.
3351 (Target_arm): New forward class template declaration.
3352 (Arm_address): New type.
3353 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
3354 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
3355 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
3356 constants.
3357 (Insn_template): Same.
3358 (DEF_STUBS): New macro.
3359 (Stub_type): New enum type.
3360 (Stub_template): New class definition.
3361 (Stub): Same.
3362 (Reloc_stub): Same.
3363 (Stub_factory): Same.
3364 (Target_arm::Target_arm): Initialize may_use_blx_ and
3365 should_force_pic_veneer_.
3366 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
3367 Target_arm::should_force_pic_veneer,
3368 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
3369 Target_arm::using_thumb_only, Target_arm:;default_target): New
3370 method defintions.
3371 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
3372 New data member declarations.
3373 (Insn_template::size, Insn_template::alignment): New method defintions.
3374 (Stub_template::Stub_template): New method definition.
3375 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
3376 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
3377 (Stub_factory::Stub_factory): New method definition.
3378 * gold.h (string_hash): New template.
3379 * output.h (Input_section_specifier::hash_value): Use
3380 gold::string_hash.
3381 (Input_section_specifier::string_hash): Remove.
3382 * stringpool.cc (Stringpool_template::string_hash): Use
3383 gold::string_hash.
3384
6c172549
DK		 33852009-10-20 Doug Kwan <dougkwan@google.com>
3386
3387 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
3388 symbols of relaxed input sections.
3389 * output.h (Output_section::find_relaxed_input_section): Make
3390 method public.
3391
c5617f2f
DK		 33922009-10-16 Doug Kwan <dougkwan@google.com>
3393
3394 * dynobj.cc (Versions::Versions): Initialize version_script_.
3395 Only insert base version symbol definition for a shared object
3396 if version script defines any version versions.
3397 (Versions::define_base_version): New method definition.
3398 (Versions::add_def): Check that base version is not needed.
3399 (Versions::add_need): Define base version lazily.
3400 * dynobj.h (Versions::define_base_version): New method declaration.
3401 (Versions::needs_base_version_): New data member declaration.
3402 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
3403 (check_DATA): Add no_version_test.stdout.
3404 (libno_version_test.so, no_version_test.o no_version_test.stdout):
3405 New make rules.
3406 * testsuite/Makefile.in: Regenerate.
3407 * testsuite/no_version_test.c: New file.
3408 * testsuite/no_version_test.sh: Ditto.
3409
3c12dcdb
DK		 34102009-10-16 Doug Kwan <dougkwan@google.com>
3411
3412 * expression.cc (class Segment_start_expression): New class definition.
3413 (Segment_start_expression::value): New method definition.
3414 (script_exp_function_segment_start): Return a new
3415 Segment_start_expression.
3416 * gold/script-c.h (script_saw_segment_start_expression): New function
3417 prototype.
3418 * script-sections.cc (Script_sections::Script_sections): Initialize
3419 SAW_SEGMENT_START_EXPRESSION_ to false.
3420 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
3421 and -Tbbs options to specify section addresses if given in
3422 command line and no SEGMENT_START expression is seen in a script.
3423 * script-sections.h (Script_sections::saw_segment_start_expression,
3424 Script_sections::set_saw_segment_start_expression): New method
3425 definition.
3426 (Script_sections::saw_segment_start_expression_): New data member
3427 declaration.
3428 * script.cc (script_saw_segment_start_expression): New function.
3429 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
3430 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
3431 script_test_7.sh and script_test_8.sh.
3432 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
3433 script_test_8.stdout.
3434 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
3435 (script_test_6, script_test_6.stdout, script_test_7,
3436 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
3437 * Makefile.in: Regenerate.
3438 * testsuite/script_test_6.sh: New file.
3439 * testsuite/script_test_6.t: Same.
3440 * testsuite/script_test_7.sh: Same.
3441 * testsuite/script_test_7.t: Same.
3442 * testsuite/script_test_8.sh: Same.
3443
64b1ae37
DK		 34442009-10-16 Doug Kwan <dougkwan@google.com>
3445
3446 * output.cc (Output_segment::set_section_list_address): Cast
3447 expressions to unsigned long long type to avoid format warnings.
3448
661be1e2
ILT		 34492009-10-15 Ian Lance Taylor <iant@google.com>
3450
12edd763 3451 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 3452 dot assignment to script_sections_.
12edd763
ILT		 3453 * script-sections.cc (Script_sections::add_dot_assignment):
3454 Initialize if necessary.
3455
68b6574b
ILT		 3456 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
3457 program headers with no load segment if there is a linker script.
3458
661be1e2
ILT		 3459 * layout.cc (Layout::set_segment_offsets): Align the file offset
3460 to the segment aligment for -N or -n with no load segment.
3461 * output.cc (Output_segment::add_output_section): Don't crash if
3462 the first section is a TLS section.
3463 (Output_segment::set_section_list_addresses): Print an error
3464 message if the address moves backward in a linker script.
3465 * script-sections.cc
3466 (Output_section_element_input::set_section_addresses): Don't
3467 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
3468 (Orphan_output_section::set_section_addresses): Likewise.
3469
f15f61a7
DK		 34702009-10-15 Doug Kwan <dougkwan@google.com>
3471
3472 * layout.cc (Layout::finish_dynamic_section): Generate tags
3473 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
3474 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
3475 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
3476
82bb573a
ILT		 34772009-10-14 Ian Lance Taylor <iant@google.com>
3478
3479 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
3480 fields.
3481 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
3482 data_shdr fields of relinfo.
3483 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
3484 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
3485 R_386_TLS_LDO_32, adjust based on section flags.
3486 (Target_i386::Relocate::fix_up_ldo): Remove.
3487
374ad285
ILT		 34882009-10-13 Ian Lance Taylor <iant@google.com>
3489
3490 Add support for -pie.
3491 * options.h (class General_options): Add -pie and
3492 --pic-executable.
3493 (General_options::output_is_position_independent): Test -pie.
3494 (General_options::output_is_executable): Return true if not shared
3495 and not relocatable.
3496 (General_options::output_is_pie): Remove.
3497 * options.cc (General_options::finalize): Reject incompatible uses
3498 of -pie.
3499 * gold.cc (queue_middle_tasks): A -pie link is not static.
3500 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
3501 * symtab.cc (Symbol::final_value_is_known): Return false if
3502 output_is_position_independent.
3503 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
3504 output_is_position_independent.
3505 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
3506 output_is_position_independent.
3507 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
3508 output_is_position_independent.
3509 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
3510 two_file_pie_test.
3511 (basic_pie_test.o, basic_pie_test): New targets.
3512 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
3513 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
3514 (two_file_pie_test): New target.
3515 * testsuite/Makefile.in: Rebuild.
3516 * README: Remove note saying that -pie is not supported.
3517
c6585162
ILT		 35182009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
3519
3520 * options.h (class General_options): Add -init and -fini.
3521 * layout.cc (Layout::finish_dynamic_section): Emit
3522 given init and fini functions.
3523
032ce4e9
ST		 35242009-10-13 Sriraman Tallam <tmsriram@google.com>
3525
3526 * gc.h (gc_process_relocs): Check if icf is enabled using new
3527 function.
3528 * gold.cc (queue_initial_tasks): Likewise.
3529 (queue_middle_tasks): Likewise.
3530 * object.cc (do_layout): Likewise.
3531 * symtab.cc (is_section_folded): Likewise.
3532 * main.cc (main): Likewise.
3533 * reloc.cc (Read_relocs::run): Likewise.
3534 (Sized_relobj::do_scan_relocs): Likewise.
3535 * icf.cc (is_function_ctor_or_dtor): New function.
3536 (Icf::find_identical_sections): Check if function is ctor or dtor when
3537 safe icf is chosen.
3538 * options.h (General_options::icf): Change option to be an enum.
3539 (Icf_status): New enum.
3540 (icf_enabled): New method.
3541 (icf_safe_folding): New method.
3542 (set_icf_status): New method.
3543 (icf_status_): New variable.
3544 * (options.cc) (General_options::finalize): Set icf_status_.
3545 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
3546 icf_test and icf_keep_unique_test to use the --icf enum flag.
3547 * testsuite/icf_safe_test.sh: New file.
e1df38aa 3548 * testsuite/icf_safe_test.cc: New file.
032ce4e9 3549
f345227a
ST		 35502009-10-12 Sriraman Tallam <tmsriram@google.com>
3551
3552 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
3553 includes to gc.h and icf.h.
3554 * arm.cc: Include gc.h.
3555 * gold.cc: Likewise.
3556 * i386.cc: Likewise.
3557 * powerpc.cc: Likewise.
3558 * sparc.cc: Likewise.
3559 * x86_64.cc: Likewise.
3560 * gc.h: Include icf.h.
3561
1c7814ed
ILT		 35622009-10-11 Ian Lance Taylor <iant@google.com>
3563
3564 * plugin.cc: Include "gold.h" before other header files.
3565
ae3b5189
CD		 35662009-10-10 Chris Demetriou <cgd@google.com>
3567
3568 * options.h (Input_file_argument::Input_file_type): New enum.
3569 (Input_file_argument::is_lib_): Replace with...
3570 (Input_file_argument::type_): New member.
3571 (Input_file_argument::Input_file_argument): Take Input_file_type
3572 'type' rather than boolean 'is_lib' as second argument.
3573 (Input_file_argument::is_lib): Use type_.
3574 (Input_file_argument::is_searched_file): New function.
3575 (Input_file_argument::may_need_search): Handle is_searched_file.
3576 * options.cc (General_options::parse_library): Support -l:filename.
3577 (General_options::parse_just_symbols): Update for Input_file_argument
3578 changes.
3579 (Command_line::process): Likewise.
3580 * archive.cc (Archive::get_file_and_offset): Likewise.
3581 * plugin.cc (Plugin_manager::release_input_file): Likewise.
3582 * script.cc (read_script_file, script_add_file): Likewise.
3583 * fileread.cc (Input_file::Input_file): Likewise.
3584 (Input_file::will_search_for): Handle is_searched_file.
3585 (Input_file::open): Likewise.
3586 * readsyms.cc (Read_symbols::get_name): Likewise.
3587 * testsuite/Makefile.am (searched_file_test): New test.
3588 * testsuite/Makefile.in: Regenerate.
3589 * testsuite/searched_file_test.cc: New file.
3590 * testsuite/searched_file_test_lib.cc: New file.
3591
f3048a1d
ILT		 35922009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3593 Ian Lance Taylor <iant@google.com>
3594
3595 * descriptor.cc: Include <cstdio> and "binary-io.h".
3596 (Descriptors::open): Open the files in binary mode always.
3597 * script.cc (Lex::get_token): Treat \r as whitespace.
3598
d4780e57
ILT		 35992009-10-09 Ian Lance Taylor <iant@google.com>
3600
3601 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
3602
d9a893b8
ILT		 36032009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3604 Ian Lance Taylor <iant@google.com>
3605
3606 * configure.ac: Check for readv function also.
3607 * fileread.cc (readv): Define if not HAVE_READV.
3608 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
3609 does not exist.
3610 * config.in: Regenerate.
3611 * configure: Regenerate.
3612
c0a62865
DK		 36132009-10-09 Doug Kwan <dougkwan@google.com>
3614
3615 * layout.cc (Layout::make_output_section): Call target hook to make
3616 ordinary output section.
3617 (Layout::finalize): Adjust parameter list of call the
3618 Target::may_relax().
3619 * layout.h (class Layout::section_list): New method.
3620 * merge.h (Output_merge_base::entsize): Change visibility to public.
3621 (Output_merge_base::is_string, Output_merge_base::do_is_string):
3622 New methods.
3623 (Output_merge_string::do_is_string): New method.
3624 * object.cc (Sized_relobj::do_setup): renamed from
3625 Sized_relobj::set_up.
3626 * object.h (Sized_relobj::adjust_shndx,
3627 Sized_relobj::initializ_input_to_output_maps,
3628 Sized_relobj::free_input_to_output_maps): Change visibilities to
3629 protected.
3630 (Sized_relobj::setup): Virtualize.
3631 (Sized_relobj::do_setup): New method declaration.
3632 (Sized_relobj::invalidate_section_offset,
3633 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
3634 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
3635 * options.cc (parse_int): New function.
3636 * options.h (parse_int): New declaration.
3637 (DEFINE_int): New macro.
3638 (stub_group_size): New option.
3639 * output.cc (Output_section::Output_section): Initialize memebers
3640 merge_section_map_, merge_section_by_properties_map_,
3641 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
3642 (Output_section::add_input_section): Handled deferred code-fill
3643 generation and remove an old comment.
3644 (Output_section::add_relaxed_input_section): New method definition.
3645 (Output_section::add_merge_input_section): Use merge section by
3646 properties map to speed to search. Update merge section maps
3647 as appropriate.
3648 (Output_section::build_relaxation_map): New method definition.
3649 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
3650 Same.
3651 (Output_section::relax_input_section): Renamed to
3652 Output_section::convert_input_sections_to_relaxed_sections and change
3653 interface to take a vector of pointers to relaxed sections.
3654 (Output_section::find_merge_section,
3655 Output_section::find_relaxed_input_section): New method definitions.
3656 (Output_section::is_input_address_mapped,
3657 Output_section::output_offset, Output_section::output_address):
3658 Use output section data maps to speed up searching.
3659 (Output_section::find_starting_output_address): Add comments.
3660 (Output_section::do_write,
3661 Output_section::write_to_postprocessing_buffer): Do code-fill
3662 generation as appropriate.
3663 (Output_section::get_input_sections): Invalidate relaxed input section
3664 map.
3665 (Output_section::restore_states): Adjust type of checkpoint .
3666 Invalidate relaxed input section map.
3667 * output.h (Output_merge_base): New class declaration.
3668 (Input_section_specifier): New class defintion.
3669 (class Output_relaxed_input_section) Change base class to
3670 Output_section_data_build.
3671 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
3672 base class initializer.
3673 (Output_section::add_relaxed_input_section): New method declaration.
3674 (Output_section::Input_section): Change visibility to protected.
3675 (Output_section::Input_section::relobj,
3676 Output_section::Input_section::shndx): Handle relaxed input sections.
3677 Output_section::input_sections) Change visibility to protected. Also
3678 define overload to return a non-const pointer.
3679 (Output_section::Merge_section_properties): New class defintion.
3680 (Output_section::Merge_section_by_properties_map,
3681 Output_section::Output_section_data_by_input_section_map,
3682 Output_section::Relaxation_map): New types.
3683 (Output_section::relax_input_section): Rename method to
3684 Output_section::convert_input_sections_to_relaxed_sections and change
3685 interface to take a vector of relaxed section pointers.
3686 (Output_section::find_merge_section,
3687 Output_section::find_relaxed_input_section,
3688 Output_section::build_relaxation_map,
3689 Output_section::convert_input_sections_in_list_to_relaxed_sections):
3690 New method declarations.
3691 (Output_section::merge_section_map_
3692 Output_section::merge_section_by_properties_map_,
3693 Output_section::relaxed_input_section_map_,
3694 Output_section::is_relaxed_input_section_map_valid_,
3695 Output_section::generate_code_fills_at_write_): New data members.
3696 * script-sections.cc
3697 (Output_section_element_input::set_section_addresses): Call
3698 current_data_size and addralign methods of relaxed input sections.
3699 (Orphan_output_section::set_section_addresses): Call current_data_size
3700 and addralign methods of relaxed input sections.
3701 * symtab.cc (Symbol_table::compute_final_value): Extract template
3702 from the body of Symbol_table::sized_finalize_symbol.
3703 (Symbol_table::sized_finalized_symbol): Call
3704 Symbol_table::compute_final_value.
3705 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
3706 (Symbol_table::compute_final_value): New templated method declaration.
3707 * target.cc (Target::do_make_output_section): New method defintion.
3708 * target.h (Target::make_output_section): New method declaration.
3709 (Target::relax): Add more parameters for input objects, symbol table
3710 and layout. Adjust call to do_relax.
3711 (Target::do_make_output_section): New method declaration.
3712 (Target::do_relax): Add parameters for input objects, symbol table
3713 and layout.
3714
d446d6c4
ILT		 37152009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3716
3717 * pread.c: Include stdio.h.
3718
bc06c745
ILT		 37192009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3720
3721 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
3722 defined.
3723
75aea3d0
ILT		 37242009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
3725
3726 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
3727 Change read_shndx type to unsigned int.
3728 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3729 int.
3730 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3731 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
3732 Change read_shndx type to unsigned int.
3733 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
3734 int.
3735 (Sized_dwarf_line_info::read_line_mappings): Likewise.
3736 * layout.cc (Layout::create_symtab_sections): Cast the result of
3737 local_symcount * symsize to off_t in the gold_assert.
3738
be8fcb75
ILT		 37392009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3740
3741 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
3742 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
3743 R_ARM_BASE_ABS.
3744 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
3745 (Arm_relocate_functions::thm_abs5): New function.
3746 (Arm_relocate_functions::abs12): New function.
3747 (Arm_relocate_functions::abs16): New function.
3748 (Arm_relocate_functions::base_abs): New function.
3749 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
3750 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
3751 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
3752 R_ARM_BASE_ABS.
3753 (Scan::global): Likewise.
3754 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
3755 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
3756 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
3757 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
3758 R_ARM_BASE_ABS.
3759
c2a122b6
ILT		 37602009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3761
3762 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
3763 (Arm_relocate_functions::movt_prel): New function.
3764 (Arm_relocate_functions::thm_movw_prel_nc): New function.
3765 (Arm_relocate_functions::thm_movt_prel): New function.
3766 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
3767 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
3768 (Scan::global, Relocate::relocate): Likewise.
3769 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3770
c4aa1e2d
ILT		 37712009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3772
3773 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
3774 Incremental_checker.
3775 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
3776 unsigned int.
3777 (class Incremental_inputs_header): New class.
3778 (Incremental_inputs_header_writer): Edit comment.
3779 (Incremental_inputs_entry): New class.
3780 (Incremental_inputs_entry_writer): Edit comment.
3781 (Sized_incremental_binary::do_find_incremental_inputs_section):
3782 Add *strtab_shndx parameter, fill it.
3783 (Sized_incremental_binary::do_check_inputs): New method.
3784 (Incremental_checker::can_incrementally_link_output_file): Use
3785 Sized_incremental_binary::check_inputs.
3786 (Incremental_inputs::report_command_line): Save command line in
3787 command_line_.
3788 * incremental.h:
3789 (Incremental_binary::find_incremental_inputs_section): New
3790 method.
3791 (Incremental_binary::do_find_incremental_inputs_section): Add
3792 strtab_shndx parameter.
3793 (Incremental_binary::do_check_inputs): New pure virtual method.
3794 (Sized_incremental_binary::do_check_inputs): Declare.
3795 (Incremental_checker::Incremental_checker): Add incremental_inputs
3796 parameter, use it to initialize incremental_inputs_.
3797 (Incremental_checker::incremental_inputs_): New field.
3798 (Incremental_checker::command_line): New method.
3799 (Incremental_checker::inputs): New method.
3800 (Incremental_checker::command_line_): New field.
3801
c549a694
ILT		 38022009-10-09 Mikolaj Zalewski <mikolajz@google.com>
3803
3804 * incremental.cc: Include <cstdarg> and "target-select.h".
3805 (vexplain_no_incremental): New function.
3806 (explain_no_incremental): New function.
3807 (Incremental_binary::error): New method.
3808 (Sized_incremental_binary::do_find_incremental_inputs_section): New
3809 method.
3810 (make_sized_incremental_binary): New function.
3811 (open_incremental_binary): New function.
3812 (can_incrementally_link_file): Add checks if output is ELF and has
3813 inputs section.
3814 * incremental.h: Include "elfcpp_file.h" and "output.h".
3815 (Incremental_binary): New class.
3816 (Sized_incremental_binary): New class.
3817 (open_incremental_binary): Declare.
3818 * object.cc (is_elf_object): Use
3819 elfcpp::Elf_recognizer::is_elf_file.
3820 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
3821 * output.h (Output_file::filesize): New method.
3822
fd3c5f0b
ILT		 38232009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3824
3825 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
3826 New function.
3827 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
3828 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
3829 function.
3830 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
3831 function.
3832 (Arm_relocate_functions::movw_abs_nc): New function.
3833 (Arm_relocate_functions::movt_abs): New function.
3834 (Arm_relocate_functions::thm_movw_abs_nc): New function.
3835 (Arm_relocate_functions::thm_movt_abs): New function.
3836 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
3837 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
3838 (Scan::global): Likewise.
3839 (Relocate::relocate): Likewise.
3840 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3841
7f5309a5
ILT		 38422009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3843
3844 * arm.cc (Arm_relocate_functions::got_prel) New function.
3845 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
3846 (Relocate::relocate): Likewise.
3847 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
3848
364c7fa5
ILT		 38492009-10-06 Ian Lance Taylor <iant@google.com>
3850
3851 * options.h (class General_options): Define
3852 split_stack_adjust_size parameter.
3853 * object.h (class Object): Add uses_split_stack_ and
3854 has_no_split_stack_ fields. Add uses_split_stack and
3855 has_no_split_stack accessor functions. Declare
3856 handle_split_stack_section.
3857 (class Reloc_symbol_changes): Define.
3858 (class Sized_relobj): Define Function_offsets. Declare
3859 split_stack_adjust, split_stack_adjust_reltype, and
3860 find_functions.
3861 * object.cc (Object::handle_split_stack_section): New function.
3862 (Sized_relobj::do_layout): Call handle_split_stack_section.
3863 * dynobj.cc (Sized_dynobj::do_layout): Call
3864 handle_split_stack_section.
3865 * reloc.cc (Sized_relobj::relocate_sections): Call
3866 split_stack_adjust for executable sections in split_stack
3867 objects. Pass reloc_map to relocate_section.
3868 (Sized_relobj::split_stack_adjust): New function.
3869 (Sized_relobj::split_stack_adjust_reltype): New function.
3870 (Sized_relobj::find_functions): New function.
3871 * target-reloc.h: Include "object.h".
3872 (relocate_section): Add reloc_symbol_changes parameter. Change
3873 all callers.
3874 * target.h (class Target): Add calls_non_split method. Declare
3875 do_calls_non_split virtual method. Declare match_view and
3876 set_view_to_nop.
3877 * target.cc: Include "elfcpp.h".
3878 (Target::do_calls_non_split): New function.
3879 (Target::match_view): New function.
3880 (Target::set_view_to_nop): New function.
3881 * gold.cc (queue_middle_tasks): Give an error if mixing
3882 split-stack and non-split-stack objects with -r.
3883 * i386.cc (Target_i386::relocate_section): Add
3884 reloc_symbol_changes parameter.
3885 (Target_i386::do_calls_non_split): New function.
3886 * x86_64.cc (Target_x86_64::relocate_section): Add
3887 reloc_symbol_changes parameter.
3888 (Target_x86_64::do_calls_non_split): New function.
3889 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
3890 parameter.
3891 * powerpc.cc (Target_powerpc::relocate_section): Add
3892 reloc_symbol_changes parameter.
3893 * sparc.cc (Target_sparc::relocate_section): Add
3894 reloc_symbol_changes parameter.
3895 * configure.ac: Call AM_CONDITIONAL for the default target.
3896 * configure: Rebuild.
3897 * testsuite/Makefile.am (TEST_AS): New variable.
3898 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
3899 (check_DATA): Add split_i386 and split_x86_64 files.
3900 (SPLIT_DEFSYMS): Define.
3901 (split_i386_[1234n].o): New targets.
3902 (split_i386_[124]): New targets.
3903 (split_i386_[1234r].stdout): New targets.
3904 (split_x86_64_[1234n].o): New targets.
3905 (split_x86_64_[124]): New targets.
3906 (split_x86_64_[1234r].stdout): New targets.
3907 (MOSTLYCLEANFILES): Add new executables.
3908 * testsuite/split_i386.sh: New file.
3909 * testsuite/split_x86_64.sh: New file.
3910 * testsuite/split_i386_1.s: New file.
3911 * testsuite/split_i386_2.s: New file.
3912 * testsuite/split_i386_3.s: New file.
3913 * testsuite/split_i386_4.s: New file.
3914 * testsuite/split_i386_n.s: New file.
3915 * testsuite/split_x86_64_1.s: New file.
3916 * testsuite/split_x86_64_2.s: New file.
3917 * testsuite/split_x86_64_3.s: New file.
3918 * testsuite/split_x86_64_4.s: New file.
3919 * testsuite/split_x86_64_n.s: New file.
3920 * testsuite/testfile.cc (Target_test): Update relocation_section
3921 function.
3922 * testsuite/Makefile.in: Rebuild.
3923
e8a9fcda
ILT		 39242009-10-06 Ian Lance Taylor <iant@google.com>
3925
3926 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
3927 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
3928 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
3929 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
3930 the address on ldo_addrs_.
3931 (Target_i386::Relocate::fix_up_ldo): New function.
3932
e99daf92
ILT		 39332009-10-06 Rafael Espindola <espindola@google.com>
3934
3935 * plugin.cc (add_input_library): New.
3936 (Plugin::load): Add add_input_library to tv.
3937 (Plugin_manager::add_input_file): Add the is_lib argument.
3938 (add_input_file): Update call to Plugin_manager::add_input_file.
3939 (add_input_library): New.
3940 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
3941
966d4097
DK		 39422009-09-30 Doug Kwan <dougkwan@google.com>
3943
3944 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
3945 symbol and call Symbol::may_need_copy_reloc to determine if
3946 a copy reloc is needed.
3947 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
3948 nocopyreloc is given in command line.
3949 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
3950 given in command line.
3951 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
3952 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
3953 of the removed Target_i386::may_need_copy_reloc.
3954 * options.h (copyreloc): New option with default value false.
3955 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3956 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
3957 instead of the removed Target_powerpc::may_need_copy_reloc.
3958 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
3959 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
3960 instead of the removed Target_sparc::may_need_copy_reloc.
3961 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
3962 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
3963 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
3964 instead of the removed Target_x86_64::may_need_copy_reloc.
3965
029ba973
ILT		 39662009-09-30 Ian Lance Taylor <iant@google.com>
3967
3968 * object.h (class Object): Remove target_ field, and target,
3969 sized_target, and set_target methods.
3970 (Object::sized_target): Remove.
3971 (class Sized_relobj): Update declarations. Remove sized_target.
3972 * object.cc (Sized_relobj::setup): Remove target parameter.
3973 Change all callers.
3974 (Input_objects::add_object): Don't do anything with the target.
3975 (make_elf_sized_object): Add punconfigured parameter. Change all
3976 callers. Set or test parameter target.
3977 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3978 Change all callers.
3979 * parameters.cc (Parameters::set_target): Change parameter type to
3980 be non-const.
3981 (Parameters::default_target): Remove.
3982 (set_parameters_target): Change parameter type to be non-const.
3983 (parameters_force_valid_target): New function.
3984 (parameters_clear_target): New function.
3985 * parameters.h (class Parameters): Update declarations. Remove
3986 default_target method. Add sized_target and clear_target
3987 methods. Change target_ to be non-const.
3988 (set_parameters_target): Update declaration.
3989 (parameters_force_valid_target): Declare.
3990 (parameters_clear_target): Declare.
3991 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3992 as NULL if we aren't searching.
3993 (Add_symbols::run): Don't check for compatible target.
3994 * fileread.cc (Input_file::open_binary): Call
3995 parameters_force_valid_target.
3996 * gold.cc (queue_middle_tasks): Likewise.
3997 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
3998 set_target on object.
3999 * dynobj.h (class Sized_dynobj): Update declarations.
4000 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4001 make_elf_object returns NULL.
4002 (Archive::include_member): Don't check whether object target is
4003 compatible.
4004 * output.cc (Output_section::add_input_section): Get target from
4005 parameters.
4006 (Output_section::relax_input_section): Likewise.
4007 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4008 parameters.
4009 (Sized_relobj::do_scan_relocs): Likewise.
4010 (Sized_relobj::relocate_sections): Likewise.
4011 * resolve.cc (Symbol_table::resolve): Likewise.
4012 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
4013 parameter. Change all callers.
4014 (Symbol_table::add_from_object): Get target from parameters.
4015 (Symbol_table::add_from_relobj): Don't check object target.
4016 (Symbol_table::add_from_dynobj): Likewise.
4017 (Symbol_table::define_special_symbol): Get target from
4018 parameters.
4019 * symtab.h (class Symbol_table): Update declaration.
4020 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4021 parameter. Change all callers. Clear parameter target.
4022 (Binary_test): Test target here.
4023 * testsuite/object_unittest.cc (gold_testsuite): Remove
4024 target_test_pointer parameter. Change all callers.
4025 (Object_test): Test target here.
4026
a6a22b83
ILT		 40272009-09-26 Ian Lance Taylor <iant@google.com>
4028
4029 * testsuite/initpri1.c: Don't try to use constructor priorities if
4030 compiling with gcc before 4.3.
4031
6a8f49fe
ILT		 40322009-09-22 Mikolaj Zalewski <mikolajz@google.com>
4033
4034 * testsuite/retain_symbols_file_test.sh (check_present): Change
4035 output file name to retain_symbols_file_test.stdout.
4036 (check_absent): Likewise.
4037
8c604651
CS		 40382009-09-18 Craig Silverstein <csilvers@google.com>
4039
4040 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4041 * options.cc: Include <cerrno> and <fstream>.
4042 (General_options::finalize): Parse -retain-symbols-file tag.
4043 * options.h: New flag.
4044 (General_options): New method should_retain_symbol, new
4045 variable symbols_to_retain.
4046 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4047 should_retain_symbol map.
4048 * testsuite/Makefile.am (retain_symbols_file_test): New test.
4049 * testsuite/Makefile.in: Regenerate.
4050 * testsuite/retain_symbols_file_test.sh: New file.
4051
ca58b19f
NC		 40522009-09-18 Nick Clifton <nickc@redhat.com>
4053
4054 * po/es.po: Updated Spanish translation.
4055
20e6d0d6
DK		 40562009-09-17 Doug Kwan <dougkwan@google.com>
4057
4058 * debug.h (DEBUG_RELAXATION): New constant.
4059 (DEBUG_ALL): Add DEBUG_RELAXATION.
4060 (debug_string_to_enum): Add relaxation debug option.
4061 * layout.cc
4062 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4063 Layout::Relaxation_debug_check::read_sections,
4064 Layout::Relaxation_debug_check::read_sections): New method definitions.
4065 (Layout::Layout): Initialize data members
4066 record_output_section_data_from_scrips_,
4067 script_output_section_data_list_ and relaxation_debug_check_.
4068 (Layout::save_segments, Layout::restore_segments,
4069 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4070 Layout::relaxation_loop_body): New method definitions.
4071 (Layout::finalize): Support relaxation. Move section layout code to
4072 Layout::relaxation_loop_body.
4073 (Layout::set_asection_address_from_script): Move code for orphan
4074 section placement out.
4075 (Layout::place_orphan_sections_in_script): New method definition.
4076 * layout.h (Output_segment_headers, Output_file_header):
4077 New forward class declarations.
4078 (Layout::~Layout): Define.
4079 (Layout::new_output_section_data_from_script): New method definition.
4080 (Layout::place_orphan_sections_in_script): New method declaration.
4081 (Layout::Segment_states): New type declaration.
4082 (Layout::save_segments, Layout::restore_segments,
4083 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4084 Layout::relaxation_loop_body): New method declarations.
4085 (Layout::Output_section_data_list): New type declaration.
4086 (Layout::Relaxation_debug_check): New class definition.
4087 (Layout::record_output_section_data_from_script_,
4088 Layout::script_output_section_data_list_, Layout::segment_states_,
4089 Layout::relaxation_debug_check_): New data members.
4090 * output.cc: (Output_section_headers::do_size): New method definition.
4091 (Output_section_headers::Output_section_headers): Move size
4092 computation to Output_section_headers::do_size.
4093 (Output_segment_headers::do_size): New method definition.
e1df38aa 4094 (Output_file_header::Output_file_header): Move size computation to
20e6d0d6
DK		 4095 Output_file_header::do_size and call it.
4096 (Output_file_header::do_size): New method definition.
4097 (Output_data_group::Output_data_group): Adjust call to
4098 Output_section_data.
4099 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4100 (Output_symtab_xindex::do_write): Add array bound check.
4101 (Output_section::Input_section::print_to_mapfile): Handle
4102 RELAXED_INPUT_SECTION_CODE.
4103 (Output_section::Output_section): Initialize data member checkpoint_.
4104 (Output_section::~Output_section): Delete checkpoint object pointed
4105 by checkpoint_.
4106 (Output_section::add_input_section): Always add an Input_section if
4107 relaxing.
4108 (Output_section::add_merge_input_section): Add assert.
4109 (Output_section::relax_input_section): New method definition.
4110 (Output_section::set_final_data_size): Set load address to zero for
4111 an unallocated section.
4112 (Output_section::do_address_and_file_offset_have_reset_values):
4113 New method definition.
4114 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4115 Handle relaxed input section.
4116 (Output_section::sort_attached_input_sections): Checkpoint input
4117 section list lazily.
4118 (Output_section::get_input_sections): Change type of input_sections to
4119 list of Simple_input_section pointers. Checkpoint input section list
4120 lazily. Also handle relaxed input sections.
4121 (Output_section::add_input_section_for_script): Take a reference to
4122 a Simple_input_section object instead of Relobj pointer and section
4123 index as parameter. Handle relaxed input sections.
4124 (Output_section::save_states, Output_section::restore_states): New
4125 method definitions.
4126 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4127 (Output_data::is_data_size_fixed): New method definition.
4128 (Output_data::reset_addresss_and_file_offset): Do not reset data size
4129 if it is fixed.
4130 (Output_data::address_and_file_offset_have_reset_values): New method
4131 definition.
4132 (Output_data::do_address_and_file_offset_have_reset_values): New method
4133 definition.
4134 (Output_data::set_data_size): Check that data size is not fixed.
4135 (Output_data::fix_data_size): New method definition.
4136 (Output_data::is_data_size_fixed_): New data member.
4137 (Output_section_headers::set_final_data_size): New method definition.
4138 (Output_section_headers::do_size): New method declaration.
4139 (Output_segment_headers::set_final_data_size): New method definition.
4140 (Output_segment_headers::do_size): New method declaration.
4141 (Output_file_header::set_final_data_size)::New method definition.
4142 (Output_file_header::do_size)::New method declaration.
4143 (Output_section_data::Output_section_data): Add new parameter
4144 is_data_size_fixed and use it to fix data size.
4145 (Output_data_const::Output_data_const): Adjust call to base class
4146 constructor and fix data size.
4147 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
4148 base class constructor and fix data size.
4149 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
4150 base class constructor and fix data size.
4151 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
4152 class constructor and fix data size.
4153 (Output_data_group::set_final_data_size): New method definition.
4154 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
4155 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
4156 class constructor and fix data size.
4157 (Output_relaxed_input_section): New class definition.
4158 (Output_section::Simple_input_section): New class definition.
4159 (Output_section::get_input_sections): Adjust parameter list.
4160 (Output_section::add_input_section_for_script): Same.
4161 (Output_section::save_states, Output_section::restore_states,
4162 Output_section::do_address_and_file_offset_have_reset_values,
4163 (Output_section::Input_section::Input_section): Handle
4164 RELAXED_INPUT_SECTION_CODE. Add new overload for
4165 Output_relaxed_input_section.
4166 (Output_section::Input_section::is_input_section,
4167 Output_section::Input_section::set_output_section): Handle relaxed
4168 input section.
4169 (Output_section::Input_section::is_relaxed_input_section,
4170 Output_section::Input_section::output_section_data,
4171 Output_section::Input_section::relaxed_input_section): New method
4172 definitions.
4173 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
4174 value.
4175 (Output_section::Input_section::u1_): Update comments.
4176 (Output_section::Input_section::u2_): Add new union member poris.
4177 (Output_section::Checkpoint_output_section): New classs definition.
4178 (Output_section::relax_input_section): New method declaration.
4179 (Output_section::checkpoint_): New data member.
4180 (Output_segment): Update comments.
4181 (Output_segment::Output_segment): Un-privatize copy constructor.
4182 (Output_segment::operator=): Un-privatize.
4183 * script-sections.cc (Output_section_element::Input_section_list):
4184 Change element type to Output_section::Simple_input_section.
4185 (Output_section_element_dot_assignment::set_section_addresses):
4186 Register output section data for relaxation clean up.
4187 (Output_data_exression::Output_data_expression): Adjust call to base
4188 constructor to fix data size.
4189 (Output_section_element_data::set_section_addresses): Register
4190 Output_data_expression object for relaxation clean up.
4191 (struct Input_section_info): Replace Relobj pointer and section index
4192 pair with Output_section::Simple_input_section and Convert struct to a
4193 class.
4194 (Input_section_sorter::operator()): Adjust access to
e1df38aa 4195 Input_section_info data member to use accessors.
20e6d0d6
DK		 4196 (Output_section_element_input::set_section_addresses): Use layout
4197 parameter. Adjust code to use Output_section::Simple_input_section
4198 and Input_secction_info classes. Register filler for relaxation
4199 clean up.
4200 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
4201 and section index pair with Output_section::Simple_input_section
4202 class. Adjust code accordingly.
4203 (Phdrs_element::release_segment): New method definition.
4204 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
4205 segment list.
4206 (Script_sections::release_segments): New method definition.
4207 * gold/script-sections.h (Script_sections::release_segments): New
4208 method declaration.
4209 * gold/target.h (Target::may_relax, Target::relax,
4210 Target::do_may_relax, Target::do_relax): New method definitions.
4211
5e445df6
ILT		 42122009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4213
4214 * arm.cc (has_signed_unsigned_overflow): New function.
4215 (Arm_relocate_functions::abs8): New function.
4216 (Target_arm::Scan::local): Handle R_ARM_ABS8.
4217 (Target_arm::Scan::global): Likewise.
4218 (Target_arm::relocate::relocate): Likewise.
4219 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
4220 Likewise.
4221
8c604651 42222009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 4223
4224 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
4225 * testsuite/Makefile.in: Regenerate.
4226
1e9cc1c2
NC		 42272009-09-11 Nick Clifton <nickc@redhat.com>
4228
4229 * po/gold.pot: Updated by the Translation project.
4230
6a89f575
CC		 42312009-09-08 Cary Coutant <ccoutant@google.com>
4232
4233 * output.cc (Output_file::open): Add execute permission to empty file.
4234 * testsuite/Makefile.am (permission_test): New test.
4235 * testsuite/Makefile.in: Regenerate.
4236
fdcac5af
ILT		 42372009-09-02 Ian Lance Taylor <iant@google.com>
4238
4239 * output.cc (Output_file::resize): Call map_no_anonymous rather
4240 than map.
4241
44453f85
ILT		 42422009-09-01 Mikolaj Zalewski <mikolajz@google.com>
4243
4244 * gold.cc: Include "incremental.h".
4245 (queue_initial_tasks): Call Incremental_checker methods.
4246 * incremental.cc: Include "output.h".
4247 (Incremental_checker::can_incrementally_link_output_file): New
4248 method.
4249 * incremental.h (Incremental_checker): New class.
4250
4251 * output.cc (Output_file::open_for_modification): New method.
4252 (Output_file::map_anonymous): Changed return type to bool. Record
4253 map in base_ field.
4254 (Output_file::map_no_anonymous): New method, broken out of map.
4255 (Output_file::map): Use map_no_anonymous and map_anonymous.
4256 * output.h (class Output_file): Update declarations.
4257
293c1386
CC		 42582009-08-24 Cary Coutant <ccoutant@google.com>
4259
4260 * options.h (Command_line::Pre_options): New class.
4261 (Command_line::pre_options): New member.
4262 * options.cc (gold::options::ready_to_register): New variable.
4263 (One_option::register_option): Do nothing if not registering options.
4264 Assert if same short option registered twice.
4265 (General_options::General_options): Turn off option registration when
4266 done constructing.
4267 (Command_line::Pre_options::Pre_options): New constructor.
4268
f773f3d2
CC		 42692009-08-24 Cary Coutant <ccoutant@google.com>
4270
06a73cfe
CC		 4271 * options.h (General_options::no_keep_memory): Remove incorrect
4272 short option.
f773f3d2 4273
a15af8e2
RW		 42742009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4275
4276 * Makefile.am (am__skiplex, am__skipyacc): New.
4277 * Makefile.in: Regenerate.
4278
c462b41b
RW		 42792009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4280
14ec8efd
RW		 4281 * Makefile.am (AM_CPPFLAGS): Renamed from ...
4282 (INCLUDES): ... this.
4283 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
4284 (AM_CPPFLAGS): Renamed from ...
4285 (INCLUDE): ... this.
4286 * Makefile.in, testsuite/Makefile.in: Regenerate.
4287
81ecdfbb
RW		 4288 * Makefile.in: Regenerate.
4289 * aclocal.m4: Likewise.
4290 * config.in: Likewise.
4291 * configure: Likewise.
4292 * testsuite/Makefile.in: Likewise.
4293
c462b41b
RW		 4294 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4295 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
4296 * Makefile.in: Regenerate.
4297 * testsuite/Makefile.in: Regenerate.
4298
2da73f13
CC		 42992009-08-19 Cary Coutant <ccoutant@google.com>
4300
4301 * resolve.cc (Symbol_table::resolve): Don't complain about defined
4302 symbols in shared libraries overridden by hidden or internal symbols
4303 in the main program.
4304
2db70501
CD		 43052009-08-19 Chris Demetriou <cgd@google.com>
4306
4307 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
4308 checking source file names in error messages.
4309
f733487b
DK		 43102009-08-18 Doug Kwan <dougkwan@google.com>
4311
4312 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
4313 an elcpp::Ehdr as parameter. Adjust call to set_target.
4314 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
4315 an elfcpp::Ehdr as parameter.
4316 * object.cc (Object::set_target): Remove the version that looks up
4317 a target and sets it.
4318 (Sized_relobj::setup): Take a Target object instead of
4319 an elfcpp::Ehdr as parameter. Adjust call to set_target.
4320 (make_elf_sized_object): Find target and ask target to
4321 make an ELF object.
4322 * object.h: (Object::set_target): Remove the version that looks up
4323 a target and sets it.
4324 (Sized_relobj::setup): Take a Target object instead of
4325 an elfcpp:Ehdr as parameter.
4326 * target.cc: Include dynobj.h.
4327 (Target::do_make_elf_object_implementation): New.
4328 (Target::do_make_elf_object): New.
4329 * target.h (Target::make_elf_object): New template declaration.
4330 (Target::do_make_elf_object): New method declarations.
4331 (Target::do_make_elf_object_implementation): New template declaration.
4332
cc70f101
ILT		 43332009-08-14 Ian Lance Taylor <iant@google.com>
4334
4335 * gold.h (FUNCTION_NAME): Define.
4336 (gold_unreachable): Use FUNCTION_NAME.
4337
ef5e0cb1
ST		 43382009-08-12 Sriraman Tallam <tmsriram@google.com>
4339
4340 * icf.cc (Icf::find_identical_sections): Issue a warning when a
4341 symbol in the --keep-unique list is not found.
4342
48c187ce
ST		 43432009-08-12 Sriraman Tallam <tmsriram@google.com>
4344
4345 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
4346 been maked as --keep-unique.
4347 (Icf::unfold_section): New function.
4348 * icf.h (Icf::unfold_section): New function.
4349 * options.h (General_options::keep_unique): New option.
4350 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
4351 * testsuite/Makefile.in: Regenerate.
4352 * testsuite/icf_keep_unique_test.sh: New file.
4353 * testsuite/icf_keep_unique_test.cc: New file.
4354
645afe0c
CC		 43552009-08-12 Cary Coutant <ccoutant@google.com>
4356
4357 PR 10471
4358 * resolve.cc (Symbol_table::resolve): Check for references from
4359 dynamic objects to hidden and internal symbols.
4360 * testsuite/Makefile.am (hidden_test.sh): New test.
4361 * testsuite/Makefile.in: Regenerate.
4362 * testsuite/hidden_test.sh: New script.
4363 * testsuite/hidden_test_1.c: New test source.
4364 * testsuite/hidden_test_main.c: New test source.
4365
11af873f
DK		 43662009-08-11 Doug Kwan <dougkwan@google.com>
4367
4368 * arm.cc: Update comments.
4369 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
4370 segment to locate the .ARM.exidx section if present.
4371
b9f7d72d
DK		 43722009-08-09 Doug Kwan <dougkwan@google.com>
4373
4374 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
4375 patch.
4376
ddd3c53c
ST		 43772009-08-07 Sriraman Tallam <tmsriram@google.com>
4378 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
4379 compiler warnings.
4380
27721062
ST		 43812009-08-06 Sriraman Tallam <tmsriram@google.com>
4382
4383 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
4384 valid tls_segment only for non-debug-section relocations.
4385 * testsuite/Makefile.am: Add gc_tls_test.
4386 * testsuite/Makefile.in: Regenerate.
4387 * testsuite/gc_tls_test.cc: New file.
4388 * testsuite/gc_tls_test.sh: New file.
4389
ef15dade 43902009-08-05 Sriraman Tallam <tmsriram@google.com>
e1df38aa 4391
ef15dade
ST		 4392 * icf.cc: New file.
4393 * icf.h: New file.
4394 * Makefile.am (CCFILES): Add icf.cc.
4395 (HFILES): Add icf.h
4396 * Makefile.in: Regenerate.
4397 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
4398 * gc.h (gc_process_relocs): Populate lists used by icf to contain
4399 section, symbol and addend information for the relocs.
4400 * gold.cc (queue_middle_tasks): Call identical code folding.
4401 * gold.h: Add defines for multimap.
4402 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
4403 to the call of finalize_local_symbols.
4404 * main.cc (main): Create object of class Icf.
4405 * object.cc (Sized_relobj::do_layout): Allow this function to be
4406 called twice during icf.
4407 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
4408 to sections marked as identical by icf.
4409 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
4410 when available.
4411 (Sized_relobj::do_section_entsize): New function.
4412 * object.h (Object::section_entsize): New function.
4413 (Object::do_section_entsize): New pure virtual function.
4414 (Relobj::finalize_local_symbols): Add new parameter.
4415 (Relobj::do_section_entsize): New function.
4416 * options.h (General_options::icf): New option.
4417 (General_options::icf_iterations): New option.
4418 (General_options::print_icf_sections): New option.
4419 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
4420 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
4421 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
4422 icf.
4423 * symtab.cc (Symbol_table::is_section_folded): New function.
4424 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
4425 to sections marked as identical by icf.
4426 * symtab.h (Symbol_table::set_icf): New function.
4427 (Symbol_table::icf): New function.
4428 (Symbol_table::is_section_folded): New function.
4429 (Symbol_table::icf_): New data member.
4430 * target-reloc.h (relocate_section): Ignore sections folded by icf.
4431 * testsuite/Makefile.am: Add commands to build icf_test.
4432 * testsuite/Makefile.in: Regenerate.
4433 * testsuite/icf_test.sh: New file.
4434 * testsuite/icf_test.cc: New file.
4435
c3b65ac4
CD		 44362009-07-24 Chris Demetriou <cgd@google.com>
4437
4438 * layout.cc (is_compressible_debug_section): Fix incorrect
4439 comment about compressed section names.
4440
1caf2c51
ILT		 44412009-07-20 Ian Lance Taylor <ian@airs.com>
4442
4443 PR 10419
4444 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
4445
1ef4d87f
ILT		 44462009-07-16 Ian Lance Taylor <iant@google.com>
4447
4448 PR 10400
4449 * layout.h: #include <map>.
4450 (class Kept_section): Change from struct to class. Add accessors
4451 and setters. Add section size to Comdat_group mapping. Change
4452 Comdat_group to std::map. Add is_comdat_ field. Add
4453 linkonce_size field in union.
4454 (class Layout): Update declaration of find_or_add_kept_section.
4455 Don't declare find_kept_object.
4456 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
4457 parameter. Add object, shndx, is_comdat, and is_group_name
4458 parameters. Change all callers. Adjust for new Kept_section.
4459 (Layout::find_kept_object): Remove.
4460 * object.cc (Sized_relobj::include_section_group): Update use of
4461 Kept_section. Rename secnum to shndx. Only record
4462 Kept_comdat_section if sections are the same size.
4463 (Sized_relobj::include_linkonce_section): Update use of
4464 Kept_section. Only record Kept_comdat_section if sections are the
4465 same size. Set size of linkonce section.
4466 (Sized_relobj::map_to_kept_section): Update call to
4467 get_kept_comdat_section.
4468 * object.h (class Sized_relobj): Rename fields in
4469 Kept_comdat_section to drop trailing underscores; change object
4470 field to Relobj*. Change Kept_comdat_section_table to store
4471 struct rather than pointer.
4472 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
4473 Add kept_object and kept_shndx parameters. Change all callers.
4474 (Sized_relobj::get_kept_comdat_section): Change return type to
4475 bool. Add kept_object and kept_shndx parameters. Change all
4476 callers.
4477 * plugin.cc (Pluginobj::include_comdat_group): Update call to
4478 Layout::find_or_add_kept_section.
4479
37c3b7b0
ILT		 44802009-07-09 Ian Lance Taylor <iant@google.com>
4481
4482 * merge.cc (Object_merge_map::initialize_input_to_output_map):
4483 Reserve space in the hash table.
4484
98fa85cb
ILT		 44852009-07-06 Mikolaj Zalewski <mikolajz@google.com>
4486
4487 * fileread.cc (File_read::get_mtime): New method.
4488 * fileread.h (Timespec): New structure.
4489 (File_read::get_mtime): New method.
4490 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
4491 Renamed from timestamp_nsec.
4492 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
4493 Elf_Xword.
e1df38aa 4494 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
98fa85cb 4495 timestamp_nsec.
e1df38aa 4496 (Incremental_inputs::report_archive): Save mtime; style fix.
98fa85cb
ILT		 4497 (Incremental_inputs::report_obejct): Save mtime; style fix.
4498 (Incremental_inputs::report_script): Save mtime; style fix.
4499 (Incremental_inputs::finalize_inputs): Style fix.
4500 (Incremental_inputs::finalize): Style fix.
4501 (Incremental_inputs::create_input_section_data): Store inputs
4502 mtime.
4503 * incremental.h (Incremental_inputs::report_script): Add mtime
4504 argument.
4505 (Incremental_inputs::Input_info::Input_info): Intialize only one
4506 union member.
4507 (Incremental_inputs::Input_info::archive): Move to nameless
4508 union.
4509 (Incremental_inputs::Input_info::obejct): Move to nameless union.
4510 (Incremental_inputs::Input_info::script): Move to nameless union.
4511 (Incremental_inputs::mtime): New field.
4512 * script.cc (read_input_script): Pass file mtime to
4513 Incremental_input.
4514 * script.h (Script_info::inputs): Style fix.
4515
c9d70757
ILT		 45162009-07-01 Ian Lance Taylor <ian@airs.com>
4517
4518 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
4519 instead of 32.
4520
9c547ec3
ILT		 45212009-06-24 Ian Lance Taylor <iant@google.com>
4522
4523 PR 10156
4524 * layout.cc (Layout::choose_output_section): If we find an
4525 existing section, update the flags.
4526 (Layout::create_notes): New function, broken out of
4527 Layout::finalize.
4528 (Layout::finalize): Don't create note sections.
4529 (Layout::create_note): Don't crash if linker script discards
4530 section.
4531 (Layout::create_gold_note): Likewise.
4532 (Layout::create_build_id): Likewise. Don't set
4533 after_input_sections on the section.
4534 (Layout::create_executable_stack_info): Remove target parameter.
4535 Change caller.
4536 * layout.h (class Layout): Declare create_notes. Update
4537 declaration of create_executable_stack_info.
4538 * gold.cc (queue_middle_tasks): Call create_notes.
4539 * output.cc (Output_section::update_flags_for_input_section): Move
4540 here from output.h. If SHF_ALLOC flag is newly set, mark address
4541 invalid.
4542 * output.h (Output_data::mark_address_invalid): New function.
4543 (class Output_section): Only declare, not define,
4544 update_flags_for_input_section. Remove set_flags.
4545
55458500
ILT		 45462009-06-24 Ian Lance Taylor <iant@google.com>
4547
4548 * script-sections.cc (Output_section_definition::
4549 set_section_addresses): Rename shadowing local load_address to
4550 laddr.
4551
1307d6cd
ILT		 45522009-06-24 Ian Lance Taylor <iant@google.com>
4553
4554 PR 10244
4555 * reloc.cc (relocate_sections): Skip empty relocation sections.
4556
ec3f783e
ILT		 45572009-06-23 Ian Lance Taylor <iant@google.com>
4558
4559 PR 10156
4560 * layout.cc (Layout::create_note): Use choose_output_section
4561 rather than make_output_section.
4562
459c9f1c
ILT		 45632009-06-23 Ian Lance Taylor <iant@google.com>
4564
4565 PR 10237
4566 * options.cc (General_options::parse_V): Set printed_version_.
4567 (General_options::General_options): Initialize printed_version_.
4568 * options.h (class General_options): Add printed_version_ field.
4569 * gold.cc (queue_initial_tasks): If there are no input files,
4570 don't give a fatal error if we printed the version information.
4571 (queue_middle_tasks): If using -r with a shared object, give a
4572 fatal error rather than an ordinary error.
4573
1518dc8f
ILT		 45742009-06-23 Ian Lance Taylor <iant@google.com>
4575
4576 PR 10219
4577 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
4578 (Layout::make_output_section): Set have_stabstr_section_ if we see
4579 a .stab*str section.
4580 (Layout::finalize): Call link_stabs_sections.
4581 (Layout::link_stabs_sections): New file.
4582 * layout.h (class Layout): Add have_stabstr_section_ field.
4583 Declare link_stabs_sections.
4584
3d857b98
DK		 45852009-06-23 Doug Kwan <dougkwan@google.com>
4586
4587 * Makefile.am (libgold_a_LIBADD): New.
4588 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
4589 * Makefile.in: Regenerate.
4590 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
4591 * configure: Regenerate.
4592 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
4593 * fileread.cc: Include sys/state.h
4594 * gold.h: Declare memmem and strndup if found missing.
4595 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
4596
0639a6f6
ILT		 45972009-06-23 Ian Lance Taylor <iant@google.com>
4598
4599 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
4600 * configure: Rebuild.
4601
8d63875c
ILT		 46022009-06-23 Ian Lance Taylor <iant@google.com>
4603
4604 PR 10147
4605 * object.cc (Object::section_contents): Don't try to get a view if
4606 the section has length zero.
4607 (Object::handle_gnu_warning_section): If the section is empty, use
4608 the name of the section as the warning.
4609
f7c8a183
ILT		 46102009-06-23 Ian Lance Taylor <iant@google.com>
4611
4612 PR 10133
4613 * stringpool.h (class Stringpool_template): Add optimize_ field.
4614 (Stringpool_template::set_optimize): New function.
4615 * stringpool.cc (Stringpool_template::Stringpool_template):
4616 Initialize optimize_ field.
4617 (Stringpool_template::set_string_offsets): Test local optimize
4618 fild rather than parameter.
4619 * layout.cc (Layout::Layout): Call set_optimize on the section
4620 name stringpool.
4621
e6a307ba
ILT		 46222009-06-22 Ian Lance Taylor <iant@google.com>
4623
4624 PR 10030
4625 * yyscript.y: Parse TARGET.
4626 * script.cc (script_set_target): New function.
4627 * script-c.h (script_set_target): Declare.
4628 * options.cc (General_options::string_to_object_format): Rename
4629 from string_to_object_format in anonymous namespace. Change
4630 callers.
4631 * options.h (class General_options): Declare
4632 string_to_object_format.
4633
3ee173de
ILT		 46342009-06-22 Ian Lance Taylor <iant@google.com>
4635
4636 * script-sections.cc (Script_sections::create_segments): Don't put
4637 program headers in a PT_LOAD segment if -n or -N.
4638
46392009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 4640
4641 PR 10141
4642 * options.h (class General_options): Add -z lazy and -z now. Sort
4643 -z options into alphabetical order.
4644 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
4645
cd6739a1 46462009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 4647
4648 * layout.cc (Layout::make_output_section): Call
4649 Target::new_output_section.
4650 (Layout::attach_allocated_section_to_segment): Put large section
4651 sections in a separate load segment with the large segment flag
4652 set.
4653 (Layout::segment_precedes): Sort large data segments after other
4654 load segments.
4655 (align_file_offset): New static function.
4656 (Layout::set_segment_offsets): Use align_file_offset.
4657 * output.h (class Output_section): Add is_small_section_ and
4658 is_large_section_ fields.
4659 (Output_section::is_small_section): New function.
4660 (Output_section::set_is_small_section): New function.
4661 (Output_section::is_large_section): New function.
4662 (Output_section::set_is_large_section): New function.
4663 (Output_section::is_large_data_section): New function.
4664 (class Output_segment): Add is_large_data_segment_ field.
4665 (Output_segment::is_large_data_segment): New function.
4666 (Output_segment::set_is_large_data_segment): New function.
4667 * output.cc (Output_section::Output_section): Initialize new
4668 fields.
4669 (Output_segment::Output_segment): Likewise.
4670 (Output_segment::add_output_section): Add assertion that large
4671 data sections always go in large data segments. Force small data
4672 sections to the end of the list of data sections. Force small BSS
4673 sections to the start of the list of BSS sections. For large BSS
4674 sections to the end of the list of BSS sections.
4675 * symtab.h (class Symbol): Declare is_common_shndx.
4676 (Symbol::is_defined): Check Symbol::is_common_shndx.
4677 (Symbol::is_common): Likewise.
4678 (class Symbol_table): Define enum Commons_section_type. Update
4679 declarations. Add small_commons_ and large_commons_ fields.
4680 * symtab.cc (Symbol::is_common_shndx): New function.
4681 (Symbol_table::Symbol_table): Initialize new fields.
4682 (Symbol_table::add_from_object): Put small and large common
4683 symbols in the right list.
4684 (Symbol_table::sized_finalized_symbol): Check
4685 Symbol::is_common_shndx.
4686 (Symbol_table::sized_write_globals): Likewise.
4687 * common.cc (Symbol_table::do_allocate_commons): Allocate new
4688 common symbol lists. Don't call do_allocate_commons_list if the
4689 list is empty.
4690 (Symbol_table::do_allocate_commons_list): Remove is_tls
4691 parameter. Add comons_section_type parameter. Change all
4692 callers. Handle small and large common symbols.
4693 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
4694 Symbol::is_common_shndx.
4695 * resolve.cc (symbol_to_bits): Likewise.
4696 * target.h (Target::small_common_shndx): New function.
4697 (Target::small_common_section_flags): New function.
4698 (Target::large_common_shndx): New function.
4699 (Target::large_common_section_flags): New function.
4700 (Target::new_output_section): New function.
4701 (Target::Target_info): Add small_common_shndx, large_common_shndx,
4702 small_common_section_flags, and large_common_section_flags
4703 fields.
4704 (Target::do_new_output_section): New virtual function.
4705 * arm.cc (Target_arm::arm_info): Initialize new fields.
4706 * i386.cc (Target_i386::i386_info): Likewise.
4707 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
4708 Likewise.
4709 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
4710 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
4711 (Target_x86_64::do_new_output_section): New function.
4712 * configure.ac: Define conditional MCMODEL_MEDIUM.
4713 * testsuite/Makefile.am (check_PROGRAMS): Add large.
4714 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
4715 (large_LDFLAGS): Define.
4716 * testsuite/large.c: New file.
4717 * testsuite/testfile.cc (Target_test::test_target_info):
4718 Initialize new fields.
4719 * configure, testsuite/Makefile.in: Rebuild.
4720
bb04269c
DK		 47212009-06-05 Doug Kwan <dougkwan@google.com>
4722
4723 * Makefile.am (CCFILES): Add target.cc.
e1df38aa 4724 * Makefile.in: Regenerate.
bb04269c
DK		 4725 * i386.cc (class Target_i386): Define new virtual method to
4726 override do_is_local_label_name in parent.
4727 * object.cc (Sized_relobj::do_count_local_symbols): Discard
4728 local symbols if --discard-locals or -X is given.
4729 * options.h (class General_options): Declare new options
4730 '--discard-locals' and '-X' for discarding locals.
4731 * target.h (class Target): Define new methods is_local_label_name.
4732 Declare new virtual method do_is_local_label_name.
4733 * target.cc: New file.
4734 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
4735 (check_SCRIPTS): Add discard_locals_test.sh.
4736 (check_DATA): Add discard_local_tests.syms.
4737 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
4738 (discard_local_tests.syms, discard_locals_test.o): New make rules.
4739 * testsuite/Makefile.in: Regenerate.
4740 * testsuite/discard_locals_test.c: New file.
4741 * testsuite/discard_locals_test.sh: Same.
4742
805bb01c
DK		 47432009-06-05 Doug Kwan <dougkwan@google.com>
4744
4745 * object.cc (Sized_relobj::Sized_relobj): Initialize
4746 discarded_eh_frame_shndx_ to -1U.
4747 (Sized_relobj::do_layout): Record index of a discard .eh_frame
4748 section.
4749 (Sized_relobj::do_count_local_symbols): Skip local symbols in
4750 a discarded .eh_frame section.
4751 (Sized_relobj::do_finalize_local_symbols): Ditto.
4752 * object.h (class Sized_relobj): Declare new member
4753 discarded_eh_frame_shndx_.
4754 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
4755 (local_labels_test.o, local_labels_test): New rules.
4756 * testsuite/Makefile.in: Regenerate.
4757
1dcd334d
DK		 47582009-06-04 Doug Kwan <dougkwan@google.com>
4759
4760 * layout.cc (Layout::section_name_mapping): Add mapping for
4761 special ARM sections.
4762
96d49306
DK		 47632009-06-03 Doug Kwan <dougkwan@google.com>
4764
4765 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
4766 (utils::has_overflow): Same.
4767
dff16297
ILT		 47682009-06-03 Ian Lance Taylor <iant@google.com>
4769
4770 * layout.cc (Layout::section_name_mapping): New array, replacing
4771 Layout::linkonce_mapping.
4772 (Layout::section_name_mapping_count): New variable, replacing
4773 Layout::linkonce_mapping_count.
4774 (Layout::linkonce_output_name): Remove.
4775 (Layout::output_section_name): Rewrite.
4776 * layout.h (class Layout): Rename Linkonce_mapping to
4777 Section_name_mapping, linkonce_mapping to section_name_mapping,
4778 linkonce_mapping_count to section_name_mapping_count. Don't
4779 declare linkonce_output_name.
4780
c121c671
DK		 47812009-06-03 Doug Kwan <dougkwan@google.com>
4782
4783 * gold/arm.cc (namespace utils): New.
4784 (Target_arm::reloc_is_non_pic): Define new method.
4785 (class Arm_relocate_functions): New.
4786 (Target_arm::Relocate::relocate): Handle relocation types used by
4787 Android.
4788
07800fab
ILT		 47892009-06-03 Ian Lance Taylor <iant@google.com>
4790
4791 * arm.cc (Target_arm::scan::global): Use || instead of |.
4792
c121c671
DK		 47932009-06-02 Doug Kwan <dougkwan@google.com>
4794
4795 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
4796 issued_non_pic_error_.
4797 (class Target_arm::Scan): Declare new method check_non_pic.
4798 Define new method symbol_needs_plt_entry.
4799 Declare new data member issued_non_pic_error_.
4800 (class Target_arm::Relocate): Declare new method
4801 should_apply_static_reloc.
4802 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
4803 (Target_arm::Scan::check_non_pic): Define new method.
4804 (Target_arm::Scan::local): Handle a small subset of reloc types used
4805 by Android.
4806 (Target_arm::Scan::local): Same.
4807 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
4808
b19b0c6d
ILT		 48092009-05-31 Mikolaj Zalewski <mikolajz@google.com>
4810
4811 * incremental.cc (Incremental_inputs::report_command_line): Filter
4812 out --incremental-* options.
4813
94cdfcff
DK		 48142009-05-29 Doug Kwan <dougkwan@google.com>
4815
4816 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
4817 template class.
4818 (class Target_arm): Update comment.
4819 (Target_arm::Target_arm): Initialize new data members GOT_,
4820 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
4821 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
4822 and Target_arm::rel_dyn_section.
4823 Declare new_enum Target_arm::Got_type.
4824 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
4825 and DYNBSS_.
4826 Update commments for member do_dynsym_value.
4827 (Target_arm::got_size, Target_arm::plt_section,
4828 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
4829 new methods inside class defintion.
4830 (Target_arm::got_section): Define new method.
4831 (Target_arm::rel_dyn_section): Same.
4832 (Output_data_plt_arm): New template class.
4833 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
4834 (Output_data_plt_arm:do_adjust_output_section): Define new method.
4835 (Output_data_plt_arm::add_entry): Same.
4836 (Output_data_plt_arm::first_plt_entry): Define new
4837 static data member for PLT instruction template.
4838 (Output_data_plt_arm::plt_entry): Same.
4839 (Output_data_plt_arm::do_write): Define new method.
4840 (Target_arm::make_plt_entry): Same.
4841 (Target_arm::do_finalize_sections): Same.
4842 (Target_arm::do_dynsym_value): Same.
4843
4a657b0d
DK		 48442009-05-28 Doug Kwan <dougkwan@google.com>
4845
4846 * Makefile.am (TARGETSOURCES): Add arm.cc.
4847 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
4848 * Makefile.in: Regenerate.
4849 * arm.cc: New file.
4850 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
4851
e7ae8c36
DK		 48522009-05-26 Doug Kwan <dougkwan@google.com>
4853
4854 * options.cc (General_options::parse_exclude_libs). Fix a comment.
4855 (General_options::check_excluded_libs): Strip off directories in
4856 archive name before matching like GNU ld does.
4857 * testsuite/Makefile.am (MOSTLYCLEANFILES,
4858 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
4859 (exclude_libs_test_LDFLAGS): Add linker option
4860 -Wl,--exclude-libs,libexclude_libs_test_3
4861 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
4862 an explicit archive without using -l.
4863 (alt/libexclude_libs_test_3.a): New make rule.
4864 * testsuite/Makefile.in: Regenerate.
4865 * testsuite/exclude_libs_test.c : Declare lib3_default().
4866 (main): Call it.
4867 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
4868 * exclude_libs_test_3.c: New file.
4869
f12e7348
NC		 48702009-05-26 Nick Clifton <nickc@redhat.com>
4871
4872 * po/id.po: New Indonesian translation.
4873 * po/gold.pot: Updated template file.
4874
4daadc0d
ST		 48752009-05-22 Sriraman Tallam <tmsriram@google.com>
4876
e1df38aa 4877 * testsuite/Makefile.am: Add -ffunction-sections to compile
4daadc0d
ST		 4878 gc_comdat_test files. Add -Wl,--gc-sections to build
4879 gc_comdat_test.
4880 * testsuite/Makefile.in: Regenerate.
4881 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
4882
531813ad
ST		 48832009-05-21 Sriraman Tallam <tmsriram@google.com>
4884
4885 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
4886 kept comdat section was garbage collected.
4887 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
4888 * testsuite/Makefile.in: Regenerate.
4889 * testsuite/gc_comdat_test.sh: New file.
4890 * testsuite/gc_comdat_test_1.cc: New file.
4891 * testsuite/gc_comdat_test_2.cc: New file.
4892
65514900
CC		 48932009-05-19 Doug Kwan <dougkwan@google.com>
4894
4895 * archive.cc (Archive::Archive): Move constructor from archive.h
4896 to here. Initialize no_export_.
4897 (Archive::get_elf_object_for_member): Set no_export flag of object.
4898 * archive.h (Archive::Archive): Move constructor body to
4899 archive.cc.
4900 (Archive::no_export): New method.
4901 (Archive::no_export_): New field.
4902 * object.h (Object::Object): Initialize no_export_ to false.
4903 (Object::no_export, Object::set_no_export): New methods.
4904 (Object::no_export_): New field.
4905 * options.cc (General_options::parse_exclude_libs): New method.
4906 (General_options::check_excluded_libs) Same.
4907 * options.h (exclude_libs): New option.
4908 (General_options::check_excluded_libs): New method declaration.
4909 (General_options::excluded_libs_): New field.
4910 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
4911 default or protected visibility if an object has no-export flag set.
4912 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
4913 (check_SCRIPTS): Add exclude_libs_test.sh.
4914 (check_DATA): Add exclude_libs_test.syms.
4915 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
4916 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
4917 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
4918 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
4919 (exclude_libs_test.syms, libexclude_libs_test_1.a,
4920 libexclude_libs_test_2.a): New rules.
4921 * testsuite/Makefile.in: Regenerate.
4922 * testsuite/exclude_libs_test.c: New file.
4923 * testsuite/exclude_libs_test.sh: Ditto.
4924 * testsuite/exclude_libs_test_1.c: Ditto.
4925 * testsuite/exclude_libs_test_2.c: Ditto.
4926
1b77ea50
ILT		 49272009-05-15 Ian Lance Taylor <iant@google.com>
4928
4929 * configure.ac: Check for declarations for cases where libiberty.h
4930 checks HAVE_DECL_xxx.
4931 * configure, config.in: Rebuild.
4932
072fe7ce
ILT		 49332009-05-15 Mikolaj Zalewski <mikolajz@google.com>
4934
4935 * gold.h (Incremental_argument_list): Remove (invalid) forward
4936 declaration.
4937 * incremental.cc (Incremental_inputs::report_achive): New method.
4938 (Incremental_inputs::report_object): New method.
4939 (Incremental_inputs::report_script): New method.
4940 (Incremental_inputs::finalize_inputs): New method.
4941 (Incremental_inputs::finalize): Call finalize_inputs().
4942 (Incremental_inputs::sized_create_incremental_inputs_section_data):
4943 Create inputs entries.
4944 * incremental.h (Incremental_input_type): New enum.
4945 (Incremental_inputs::Incremental_input): Initialize new fields.
4946 (Incremental_inputs::report_inputs): New method.
4947 (Incremental_inputs::report_achive): New method.
4948 (Incremental_inputs::report_object): New method.
4949 (Incremental_inputs::report_script): New method.
4950 (Incremental_inputs::finalize_inputs): New method.
4951 (Incremental_inputs::Input_info): New struct.
4952 (Incremental_inputs::Input_info_map): New typedef.
4953 (Incremental_inputs::lock_): New field.
4954 (Incremental_inputs::Inputs_): New field.
4955 (Incremental_inputs::Inputs_map): New field.
4956 * main.cc (main): Call Incremental_input::report_inputs.
4957 * options.h (Input_argument_list): Typedef moved from
4958 Input_arguments.
4959 (Input_file_group::Files): Remove, use ::Input_argument_list.
4960 (Input_file_group::Input_argument_list): Remove, use
4961 ::Input_argument_list.
4962 * plugin.cc (Plugin_manager::add_input_file): Add error in
4963 incremental build.
4964 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
4965 functions.
4966 * script.cc (read_input_script): Call
4967 Incremental_input::report_script.
4968 * script.h (Script_info): New class.
4969
b0481b0b
ILT		 49702009-04-27 Ian Lance Taylor <iant@google.com>
4971
4972 * x86_64.cc (do_adjust_output_section): Set entsize to
4973 plt_entry_size.
4974
b22a5a41 49752009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 4976
4977 * output.cc (Output_file::close): After short writes, continue
4978 writing from the correct offset in the buffer being written.
4979
40fde488
CD		 49802009-04-23 Chris Demetriou <cgd@google.com>
4981
4982 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4983 * configure: Regenerate.
4984 * config.in: Regenerate.
4985 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4986 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4987
3ce2c28e
ILT		 49882009-04-21 Mikolaj Zalewski <mikolajz@google.com>
4989
4990 * incremental.cc (Incremental_inputs_header_data): Renamed from
4991 Incremental_input_header_data.
4992 (Incremental_inputs_header_data::data_size): New field.
4993 (Incremental_inputs_header_data::put_input_file_count): Renamed
4994 from input_file_count.
4995 (Incremental_inputs_header_data::put_command_line_offset): Renamed
4996 from command_line_offset.
4997 (Incremental_inputs_header_data::put_reserved): Renamed from
4998 put_reserved.
4999 (Incremental_inputs_entry_data): Renamed from
5000 Incremental_input_entry_data.
5001 (Incremental_inputs_entry_data::data_size): New field.
5002 (Incremental_inputs::report_command_line): New method.
5003 (Incremental_inputs::finalize): New method.
5004 (Incremental_inputs::create_incremental_inputs_data): New method.
5005 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5006 * incremental.h: New file.
5007 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5008 (Layout::finalize): Create incremental inputs section in
5009 incremental builds.
5010 (Layout::create_incremental_info_sections): New method.
5011 * layout.h (Layout::incremental_inputs): New method.
5012 (Layout::create_incremental_info_sections): New method.
5013 (Layout::incremental_inputs_): New field.
5014 * main.cc (main): Notify Incremental_input of the command line.
5015
e55bde5e
ILT		 50162009-04-01 Ian Lance Taylor <iant@google.com>
5017 Mikolaj Zalewski <mikolajz@google.com>
5018
5019 * gold.h (reserve_unordered_map): Define, three versions, one for
5020 each version of Unordered_map.
5021 * layout.cc (Layout::Layout): Remove options parameter. Add
5022 number_of_input_files parameter. Don't initialize options_.
5023 Initialize number_of_input_files_ and resized_signatures_. Move
5024 sections_are_attached_.
5025 (Layout::layout_group): Reserve space for group_signatures_.
5026 (Layout::find_or_add_kept_section): Change name parameter to be a
5027 reference. Resize signatures_ map when it gets large enough.
5028 (Layout::layout_eh_frame): Use parameters->options() instead of
5029 this->options_.
5030 (Layout::make_output_section): Likewise.
5031 (Layout::attach_allocated_section_to_segment): Likewise.
5032 (Layout::finalize, Layout::create_executable_stack): Likewise.
5033 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5034 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5035 * layout.h (class Layout): Update declarations. Remove options_
5036 field. Add number_of_input_files_ and resized_signatures_
5037 fields. Move sections_are_attached_ field.
5038 * main.cc (main): Pass number of input files to Layout
5039 constructor. Don't pass options.
5040
154b857c
ILT		 50412009-03-30 Ian Lance Taylor <iant@google.com>
5042
5043 * ffsll.c (ffsll): Correct implementation.
5044
2f35ab9b
ILT		 50452009-03-27 Ian Lance Taylor <iant@google.com>
5046
fd03461a
ILT		 5047 * ffsll.c: New file.
5048 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5049 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5050 * ftruncate.c (ftruncate): Declare before definition.
5051 * mremap.c (mremap): Likewise.
5052 * pread.c (pread): Likewise.
5053 * configure, Makefile.in, config.in: Rebuild.
5054
2f35ab9b
ILT		 5055 * mremap.c: New file.
5056 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5057 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5058 (mremap): Declare if HAVE_MREMAP is not defined.
5059 * configure, Makefile.in, config.in: Rebuild.
5060
33aea2fd
CC		 50612009-03-27 Cary Coutant <ccoutant@google.com>
5062
5063 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5064 position independent.
5065 * sparc.cc (Target_sparc::check_non_pic): Likewise.
5066 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5067
6d479619
CC		 50682009-03-24 Cary Coutant <ccoutant@google.com>
5069
5070 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5071 an executable.
5072 (needs_dynamic_reloc): Likewise.
5073
afc06bb8
ILT		 50742009-03-24 Ian Lance Taylor <iant@google.com>
5075
5076 * yyscript.y (file_cmd): Recognize EXTERN.
5077 (extern_name_list, extern_name_list_body): New nonterminals.
5078 * script.cc (script_add_extern): Define.
5079 * script-c.h (script_add_extern): Declare.
5080
f6060a4d
ILT		 50812009-03-24 Rafael Avila de Espindola <espindola@google.com>
5082
5083 * object.cc (is_elf_object): Define.
5084 * object.h (is_elf_object): Declare.
5085 * archive.cc (Archive::get_elf_object_for_member): Call
5086 is_elf_object.
33aea2fd 5087 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 5088
26736d8e
ILT		 50892009-03-24 Elliott Hughes <enh@google.com>
5090
5091 * output.cc (Output_file::map_anonymous): Define.
5092 (Output_file::map): Use map_anonymous. If the regular mmap fails,
5093 try an anonymous one. Report the size if the mmap fails.
5094 * output.h (class Output_file): Declare map_anonymous.
5095
22fd9730
ILT		 50962009-03-24 Ian Lance Taylor <iant@google.com>
5097
5098 * target-select.cc (instantiate_target): Don't acquire the lock if
5099 the instantiated_target_ field has already been set.
5100
cb010894
ILT		 51012009-03-23 Ian Lance Taylor <iant@google.com>
5102
7f055c20
ILT		 5103 * gold-threads.h (class Initialize_lock): Define.
5104 * gold-threads.cc (class Initialize_lock_once): Define.
5105 (initialize_lock_control): New static variable.
5106 (initialize_lock_pointer): New static variable.
5107 (initialize_lock_once): New static function.
5108 (Initialize_lock::Initialize_lock): Define.
5109 (Initialize_lock::initialize): Define.
5110 * target-select.h: Include "gold-threads.h".
5111 (class Target_selector): Add lock_ and initialize_lock_ fields.
5112 Don't define instantiate_target, just declare it.
5113 * target-select.cc (Target_selector::Target_selector): Initialize
5114 new fields.
5115 (Target_selector::instantiate_target): Define.
5116 * descriptors.h: Include "gold-threads.h".
5117 (class Descriptors): Add initialize_lock_ field.
5118 * descriptors.cc (Descriptors::Descriptors): Initialize new
5119 field.
5120 (Descriptors::open): Use initialize_lock_ field
5121 * errors.h (class Errors): Add initialize_lock_ field.
5122 * errors.cc (Errors::Errors): Initialize new field.
5123 (Errors::initialize_lock): Use initialize_lock_ field.
5124 * powerpc.cc (class Target_selector_powerpc): Remove
5125 instantiated_target_ field. In do_recognize call
5126 instantiate_target rather than do_instantiate_target. In
5127 do_instantiate_target just allocate a new target.
5128 * sparc.cc (class Target_selector_sparc): Likewise.
5129
36959681
ILT		 5130 * freebsd.h: New file.
5131 * i386.cc: Include "freebsd.h".
5132 (Target_i386): Derive from Target_freebsd rather than
5133 Sized_target.
5134 (Target_selector_i386): Derive from Target_selector_freebsd rather
5135 than Target_selector.
5136 * x86_64.cc: Include "freebsd.h".
5137 (Target_x86_64): Derive from Target_freebsd rather than
5138 Sized_target.
5139 (Target_selector_x86_64): Derive from Target_selector_freebsd
5140 rather than Target_selector.
5141 * target.h (class Target): Add adjust_elf_header and
5142 do_adjust_elf_header.
5143 * output.cc (Output_file_header:: do_sized_write): Call target
5144 adjust_elf_header routine.
5145 * configure.tgt: Set targ_osabi.
5146 * configure.ac: Define GOLD_DEFAULT_OSABI.
5147 * parameters.cc (Parameters::default_target): Pass
5148 GOLD_DEFAULT_OSABI to select_target.
5149 * target-select.h (class Target_selector): Make instantiate_target
5150 protected rather than private.
5151 * Makefile.am (HFILES): Add freebsd.h.
5152 * configure, Makefile.in, config.in: Rebuild.
5153
cb010894
ILT		 5154 * merge.cc (do_add_input_section): Correct pend value. Change
5155 message about last entry not being null terminated from error to
5156 warning.
5157
0e879927
ILT		 51582009-03-20 Mikolaj Zalewski <mikolajz@google.com>
5159
5160 * incremental.cc: New file.
5161 * Makefile.am (CCFILES): Add incremental.cc.
5162 * Makefile.in: Rebuild.
5163
41105937
PP		 51642009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
5165
5166 * layout.cc (Layout::output_section_name): Preserve names
5167 of '.note.' sections.
e1df38aa 5168
60439920
ILT		 51692009-03-19 Ian Lance Taylor <iant@google.com>
5170
5171 * descriptors.cc (Descriptors::open): Check that the options are
5172 valid before using them.
5173
0d371ad3
ILT		 51742009-03-18 Ian Lance Taylor <iant@google.com>
5175
5176 * script-sections.h: Include <list>.
5177 (class Script_sections): Change Sections_elements from std::vector
5178 to std::list. Typedef public Elements_iterator. Add
5179 orphan_section_placement_, data_segment_align_start_, and
5180 saw_data_segment_align_ fields. Remove data_segment_align_index_
5181 field.
5182 * script-sections.cc (class Orphan_section_placement): New class.
5183 (class Sections_element): Add virtual functions is_relro and
5184 orphan_section_init. Remove virtual function place_orphan_here.
5185 (class Output_section_definition): Add is_relro and
5186 orphan_section_init. Remove place_orphan_here.
5187 (class Orphan_output_section): Likewise.
5188 (Script_sections::Script_sections): Update for field changes.
5189 (Script_sections::data_segment_align): Set saw_data_segment_align_
5190 and data_segment_align_start_, not data_segment_align_index.
5191 (Script_sections::data_segment_relro_end): Check
5192 saw_data_segment_align_. Use data_segment_align_start_ rather
5193 than data_segment_align_index_.
5194 (Script_sections::place_orphan): Rewrite to use
5195 Orphan_section_placement.
5196
9201d894
ILT		 51972009-03-17 Ian Lance Taylor <iant@google.com>
5198
9c5b8369
ILT		 5199 * archive.cc (Archive::add_symbols): Check for a version attached
5200 to the symbol name in the archive map.
5201 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
5202 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
5203 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
5204 (ver_test_11.a): New target.
5205 * testsuite/Makefile.in: Rebuild.
5206
9201d894
ILT		 5207 * configure.ac: Check for chsize and posix_fallocate. Replace
5208 ftruncate.
5209 * ftruncate.c: New file, from gnulib.
5210 * output.cc (posix_fallocate): Define dummy version if not
5211 HAVE_POSIX_FALLOCATE.
5212 (Output_file::map): Call posix_fallocate rather than lseek and
5213 write.
5214 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
5215 * configure, Makefile.in, config.in: Rebuild.
5216
ef4ab7a8 52172009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
e1df38aa 5218
ef4ab7a8
PP		 5219 * layout.h (Layout::create_note): Add section_name parameter.
5220 * layout.cc (Layout::create_note): Likewise.
5221 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
e1df38aa 5222
8c500701
ILT		 52232009-03-17 Ian Lance Taylor <iant@google.com>
5224
e85b18e1
ILT		 5225 * descriptors.cc: Include "options.h".
5226 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
5227 (Descriptors::open): Always use O_CLOEXEC when opening a new
5228 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
5229 then set FD_CLOEXEC.
5230
9efe6174
ILT		 5231 * sparc.cc (class Target_sparc): Add has_got_section.
5232 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
5233 make sure we have a GOT section.
5234
5235 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
5236 (Target_sparc::Scan::local): Likewise.
5237 (Target_sparc::Scan::global): Likewise.
5238 (Target_sparc::Relocate::relocate): Likewise.
5239 (Target_sparc::Relocate::relocate_tls): Likewise.
5240
8c500701
ILT		 5241 * symtab.cc (Symbol_table::define_default_version): New function,
5242 broken out of add_from_object.
5243 (Symbol_table::add_from_object): Call define_default_version.
5244 (Symbol_table::define_special_symbol): Add resolve_oldsym
5245 parameter. Change all callers. If the version for a symbol comes
5246 from a version script, resolve it with the symbol with the same
5247 name with no version. Also add the symbol without a version if
5248 appropriate.
5249 (do_define_in_output_data): If resolving with oldsym, don't delete
5250 sym.
5251 (do_define_in_output_segment): Likewise.
5252 (do_define_as_constant): Likewise.
5253 * symtab.h (class Symbol_table): Update declarations.
5254
f1ed28fb
ILT		 52552009-03-13 Ian Lance Taylor <iant@google.com>
5256
15f8229b
ILT		 5257 * readsyms.cc (Read_symbols::incompatible_warning): New function.
5258 (Read_symbols::requeue): New function.
5259 (Read_symbols::do_read_symbols): If make_elf_object fails because
5260 the target type is not configured, and the file was searched for,
5261 issue a warning and retry with the next directory.
5262 (Add_symbols::run): If the file has an incompatible format, and
5263 it was searched for, requeue the Read_symbols task. On error,
5264 release the object.
5265 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
5266 dirindex parameter to constructor. Change all callers. Declare
5267 incompatible_warning and requeue.
5268 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
5269 input_argument_ and input_group_ fields. Add them to
5270 constructor. Change all callers.
5271 (class Read_script): Add dirindex_ field. Add it to constructor.
5272 Change all callers.
5273 * archive.cc (Archive::setup): Remove input_objects parameter.
5274 Change all callers.
5275 (Archive::get_file_and_offset): Likewise.
5276 (Archive::read_all_symbols): Likewise.
5277 (Archive::read_symbols): Likewise.
5278 (Archive::get_elf_object_for_member): Remove input_objects
5279 parameter. Add punconfigured parameter. Change all callers.
5280 (Archive::add_symbols): Change return type to bool. Check return
5281 value of include_member.
5282 (Archive::include_all_members): Likewise.
5283 (Archive::include_member): Change return type to bool. Return
5284 false if first included object has incompatible target. Set
5285 included_member_ field.
5286 (Add_archive_symbols::run): If add_symbols returns false, requeue
5287 Read_symbols task.
5288 * archive.h (class Archive): Add included_member_ field.
5289 Initialize it in constructor. Add input_file and searched_for
5290 methods. Update declarations.
5291 (class Add_archive_symbols): Add dirpath_, dirindex_, and
5292 input_argument_ fields. Add them to constructor. Change all
5293 callers.
5294 * script.cc: Include "target-select.h".
5295 (class Parser_closure): Add skip_on_incompatible_target_ and
5296 found_incompatible_target_ fields. Add
5297 skip_on_incompatible_target parameter to constructor. Change all
5298 callers. Add methods skip_on_incompatible_target,
5299 clear_skip_on_incompatible_target, found_incompatible_target, and
5300 set_found_incompatible_target.
5301 (read_input_script): Add dirindex parameter. Change all callers.
5302 If parser finds an incompatible target, requeue Read_symbols
5303 task.
5304 (script_set_symbol): Clear skip_on_incompatible_target in
5305 closure.
5306 (script_add_assertion, script_parse_option): Likewise.
5307 (script_start_sections, script_add_phdr): Likewise.
5308 (script_check_output_format): New function.
5309 * script.h (read_input_script): Update declaration.
5310 * script-c.h (script_check_output_format): Declare.
5311 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
5312 (ignore_cmd): Remove OUTPUT_FORMAT.
5313 * fileread.cc (Input_file::Input_file): Add explicit this.
5314 (Input_file::will_search_for): New function.
5315 (Input_file::open): Add pindex parameter. Change all callers.
5316 * fileread.h (class Input_file): Add input_file_argument method.
5317 Declare will_search_for. Update declarations.
5318 * object.cc (make_elf_object): Add punconfigured parameter.
5319 Change all callers.
5320 * object.h (class Object): Make input_file public. Add
5321 searched_for method.
5322 (make_elf_object): Update declaration.
5323 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
5324 restart search.
5325 * dirsearch.h (class Dirsearch): Update declaration.
5326 * options.h (class General_options): Add --warn-search-mismatch.
5327 * parameters.cc (Parameters::is_compatible_target): New function.
5328 * parameters.h (class Parameters): Declare is_compatible_target.
5329 * workqueue.cc (Workqueue::add_blocker): New function.
5330 * workqueue.h (class Workqueue): Declare add_blocker.
5331
f1ed28fb
ILT		 5332 * fileread.cc (Input_file::open): Remove options parameter.
5333 Change all callers.
5334 (Input_file::open_binary): Likewise.
5335 * script.cc (read_input_script): Likewise.
5336 * readsyms.h (class Read_symbols): Remove options_ field. Remove
5337 options parameter from constructor. Change all callers.
5338 (class Read_script): Likewise.
5339 * fileread.h (class Input_file): Update declarations.
5340 * script.h (read_input_script): Update declaration.
5341
34dd024a
NC		 53422009-03-10 Nick Clifton <nickc@redhat.com>
5343
5344 * po/es.po: New Spanish translation.
5345
6d71b17c
CC		 53462009-03-06 Cary Coutant <ccoutant@google.com>
5347
5348 * options.cc (parse_short_option): Keep dash_z from registering itself.
5349
031cdbed
ILT		 53502009-03-03 Ian Lance Taylor <iant@google.com>
5351
5352 PR 9918
5353 * target-reloc.h (relocate_section): Pass output_section to
5354 relocate.
5355 * i386.cc (Target_i386::should_apply_static_reloc): Add
5356 output_section parameter. Change all callers.
5357 (Target_i386::Relocate::relocate): Add output_section parameter.
5358 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5359 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
5360 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
5361 * testsuite/two_file_shared.sh: New script.
5362 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
5363 (check_DATA): Add two_file_shared.dbg.
5364 (two_file_shared.dbg): New target.
5365 * testsuite/Makefile.in: Rebuild.
5366
15d5fa16
ILT		 53672009-03-01 Ian Lance Taylor <iant@google.com>
5368
5369 * configure.ac: Check for byteswap.h.
5370 * configure: Rebuild.
5371 * config.in: Rebuild.
5372
8a4c0b0d
ILT		 53732009-03-01 Mikolaj Zalewski <mikolajz@google.com>
5374
5375 * layout.cc (Layout::find_or_add_kept_section): New function.
5376 (Layout::add_comdat): Removed.
5377 * layout.h (struct Kept_section): Move out of class Layout.
5378 Remove trailing underscores from field names. Add group_sections
5379 field. Rename group_ field to is_group. Change all uses.
5380 (class Layout): Declare find_or_add_kept_section, not add_comdat.
5381 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
5382 comdat_groups_ field.
5383 (Sized_relobj::include_section_group): Use
5384 find_or_add_kept_section and Kept_section::group_sections.
5385 (Sized_relobj::include_linkonce_section): Likewise.
5386 * object.cc (class Sized_relobj): Don't define Comdat_group or
5387 Comdat_group_table. Remove find_comdat_group and
5388 add_comdat_group. Remove comdat_groups_ field.
5389 * plugin.cc (include_comdat_group): Use
5390 Layout::find_or_add_kept_section.
5391
b4ecf66b
ILT		 53922009-02-28 Ian Lance Taylor <iant@google.com>
5393
14359ca0
ILT		 5394 * README: --gc-sections and map files are now supported. Document
5395 some build requirements.
5396
b4ecf66b
ILT		 5397 PR 6992
5398 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5399 relocatable link set the value of the section symbol to zero.
5400 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
5401 relocatable link don't include the section address in the local
5402 symbol value.
5403
0602e05a
ILT		 54042009-02-27 Ian Lance Taylor <iant@google.com>
5405
fd9d194f
ILT		 5406 PR 6811
5407 * options.h (class Search_directory): Add is_system_directory.
5408 (class General_options): Declare is_in_system_directory.
5409 * options.cc (get_relative_sysroot): Make static.
5410 (get_default_sysroot): Make static.
5411 (General_optoins::is_in_system_directory): New function.
5412 * fileread.cc (Input_file::is_in_system_directory): New function.
5413 * fileread.h (class Input_file): Declare is_in_system_directory.
5414 * object.h (class Object): Add is_in_system_directory.
5415 (class Input_objects): Remove system_library_directory_ field.
5416 * object.cc (Input_objects::add_object): Don't set
5417 system_library_directory_.
5418 (input_objects::found_in_system_library_directory): Remove.
5419 * symtab.cc (Symbol_table::write_globals): Remove input_objects
5420 parameter. Change all callers.
5421 (Symbol_table::sized_write_globals): Likewise.
5422 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
5423 Call Object::is_in_system_directory.
5424 * symtab.h (class Symbol_table): Update declarations.
5425
61edd21f
ILT		 5426 PR 5990
5427 * descriptors.h (Open_descriptor): Add is_on_stack field.
5428 * descriptors.cc (Descriptors::open): If the descriptor is on the
5429 top of the stack, remove it. Initialize is_on_stack field.
5430 (Descriptors::release): Only add pod to stack if it is not on the
5431 stack already.
5432 (Descriptors::close_some_descriptor): Clear stack_next and
5433 is_on_stack fields.
5434
e29e076a
ILT		 5435 PR 7091
5436 * output.cc (Output_section::find_starting_output_address): Rename
5437 from starting_output_address; add PADDR parameter; change return
5438 type.
5439 * output.h (class Output_section): Declare
5440 find_starting_output_address instead of starting_output_address.
5441 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
5442 section symbol for which we can't find a merge section.
5443
0602e05a
ILT		 5444 PR 9836
5445 * symtab.cc (Symbol_table::add_from_object): If the visibility is
5446 hidden or internal, force the symbol to be local.
5447 * resolve.cc (Symbol::override_visibility): Define.
5448 (Symbol::override_base): Use override_visibility.
5449 (Symbol_table::resolve): Likewise.
5450 (Symbol::override_base_with_special): Likewise.
5451 (Symbol_table::override_with_special): If the visibility is hidden
5452 or internal, force the symbol to be local.
5453 * symtab.h (class Symbol): Add set_visibility and
5454 override_visibility.
5455 * testsuite/ver_test_1.sh: New file.
5456 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
5457 (check_DATA): Add ver_test_1.syms.
5458 (ver_test_1.syms): New target.
5459 * testsuite/Makefile.in: Rebuild.
5460
401a9a73
CC		 54612009-02-25 Cary Coutant <ccoutant@google.com>
5462
5463 * layout.cc (Layout::choose_output_section): Don't rename sections
5464 when using a linker script that has a SECTIONS clause.
5465 * Makefile.in: Regenerate.
5466
5467 * testsuite/Makefile.am (script_test_5.sh): New test case.
5468 * testsuite/Makefile.in: Regenerate.
5469 * testsuite/script_test_5.cc: New file.
5470 * testsuite/script_test_5.sh: New file.
5471 * testsuite/script_test_5.t: New file.
5472
f488e4b0
CC		 54732009-02-13 Rafael Avila de Espindola <espindola@google.com>
5474
5475 * archive.cc (Archive::include_member): Update calls to add_symbols.
5476 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
5477 the Layout argument.
5478 * dynobj.h (do_add_symbols): Add the Layout argument.
5479 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
5480 Layout argument.
5481 * object.h (Object::add_symbols): Add the Layout argument.
5482 (Object::do_add_symbols): Add the Layout argument.
5483 (Sized_relobj::do_add_symbols): Add the Layout argument.
5484 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
5485 Unify the two versions.
5486 (Add_plugin_symbols): Remove.
5487 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
5488 (Sized_pluginobj::do_add_symbols): Unify the two versions.
5489 (Add_plugin_symbols): Remove.
5490 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
5491 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
5492 (Add_symbols::run): Make it work with Pulginobj.
5493
89dd1680
ILT		 54942009-02-06 Ian Lance Taylor <iant@google.com>
5495
5496 * object.cc (Sized_relobj::do_layout): Make info message start
5497 with lower case letter.
5498
266d0a74
ILT		 54992009-02-06 Mikolaj Zalewski <mikolajz@google.com>
5500
602b464e
ILT		 5501 * binary.cc: Fix file comment.
5502
266d0a74
ILT		 5503 * options.h (enum Incremental_disposition): Define.
5504 (class General_options): Add new options: --incremental,
5505 --incremental_changed, --incremental_unchanged,
5506 --incremental_unknown. Add incremental_disposition_ and
5507 implicit_incremental_ fields.
5508 (General_options::incremental_disposition): New function.
5509 (class Position_dependent_options): Add incremental_disposition
5510 option.
5511 (Position_dependent_options::copy_from_options): Set incremental
5512 dispositions.
5513 * options.cc (General_options::parse_incremental_changed): New
5514 function.
5515 (General_options::parse_incremental_unchanged): New function.
5516 (General_options::parse_incremental_unknown): New function.
5517 (General_options::General_options): Initialize new fields
5518 incremental_disposition_ and implicit_incremental_.
5519 (General_options::finalize): Check for uasge of --incremental-*
5520 without --incremental.
5521
f073bbf7
CD		 55222009-02-06 Chris Demetriou <cgd@google.com>
5523
5524 * gold.h (gold_undefined_symbol): Change to take only a Symbol
5525 pointer and to report location as the file name associated with
5526 the symbol.
5527 (gold_undefined_symbol_at_location): New function to replace the
5528 old gold_undefined_symbol functionality.
5529 * target-reloc.h (relocate_section): Update to use
5530 gold_undefined_symbol_at_location.
5531 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5532 Call gold_undefined_symbol function rather than gold_error.
5533 * errors.h (Errors::undefined_symbol): Take location as a
5534 string, rather than calculating it from a relocation.
5535 * errors.cc (Errors::fatal): Print "fatal error:" before the
5536 formatted message.
5537 (Errors::error, Errors::error_at_location): Print "error: "
5538 before the formatted message.
5539 (Errors::undefined_symbol): Take location as a string, rather
5540 than calculating it from a relocation.
5541 (gold_undefined_symbol_at_location): New function akin to
5542 old gold_undefined_symbol, calculates location from relocation.
5543 (gold_undefined_symbol): Change to take only a Symbol pointer
5544 and to report location as the file name associated with the symbol.
5545 * testsuite/debug_msg.sh: Update for changed error messages.
5546 * testsuite/undef_symbol.sh: Likewise.
5547
8e94a90c
ILT		 55482009-02-04 Duncan Sands <baldrick@free.fr>
5549
5550 PR 9812
5551 * reduced_debug_output.h
5552 (Output_reduced_debug_abbrev_section::failed): Use format for
5553 gold_warning.
5554 (Output_reduced_debug_info_section::faild): Likewise.
5555
88a0e15b
ILT		 55562009-01-31 Mikolaj Zalewski <mikolajz@google.com>
5557
5558 * script.cc (Lazy_demangler): New class.
5559 (Version_script_info::get_symbol_version_helper): Demangle a
5560 symbol only once.
5561
5efc7cd2
CC		 55622009-01-29 Cary Coutant <ccoutant@google.com>
5563
5564 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
5565 to __tls_get_addr.
5566 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
5567
e0ebcf42
ILT		 55682009-01-28 Ian Lance Taylor <iant@google.com>
5569
5efc7cd2 5570 * version.cc (version_string): Bump to 1.9.
75fe7426 5571
e0ebcf42
ILT		 5572 * gold.h: Include <cstring> and <stdint.h>.
5573 * version.cc: Include <cstdio>.
5574 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
5575 warning.
5576 * reduced_debug_output.cc (insert_into_vector): Rename from
5577 Insert_into_vector; change all callers. Use Swap_unaligned to
5578 avoid aliasing issue; remove union since it is unnecessary.
5579
8e2813be 55802009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 5581
5582 * Makefile.am (CCFILES): Add gc.cc.
5583 (HFILES): Add gc.h.
5584 * Makefile.in: Regenerate.
5585 * gold.cc (Gc_runner): New class.
5586 (queue_initial_tasks): Call garbage collection related tasks
5587 when corresponding options are invoked.
5588 (queue_middle_gc_tasks): New function.
5589 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
5590 processed early before laying out sections during garbage collection.
5591 * gold.h (queue_middle_gc_tasks): New function.
5592 (is_prefix_of): Move from "layout.cc".
5593 * i386.cc (Target_i386::gc_process_relocs): New function.
5594 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
5595 * main.cc (main): Create object of class "Garbage_collection".
5596 * object.cc (Relobj::copy_symbols_data): New function.
5597 (Relobj::is_section_name_included): New function.
e1df38aa
NC		 5598 (Sized_relobj::do_layout): Allow this function to be called twice
5599 during garbage collection and defer layout of section during the
6d03d481
ST		 5600 first call.
5601 * object.h (Relobj::get_symbols_data): New function.
5602 (Relobj::is_section_name_included): New function.
5603 (Relobj::copy_symbols_data): New function.
5604 (Relobj::set_symbols_data): New function.
5605 (Relobj::get_relocs_data): New function.
5606 (Relobj::set_relocs_data): New function.
5607 (Relobj::is_output_section_offset_invalid): New pure virtual function.
5608 (Relobj::gc_process_relocs): New function.
5609 (Relobj::do_gc_process_relocs): New pure virtual function.
5610 (Relobj::sd_): New data member.
5611 (Sized_relobj::is_output_section_offset_invalid): New function.
5612 (Sized_relobj::do_gc_process_relocs): New function.
5613 * options.h (General_options::gc_sections): Modify to not be a no-op.
5614 (General_options::print_gc_sections): New option.
5615 * plugin.cc (Plugin_finish::run): Remove function call to
5616 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
5617 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
5618 * reloc.cc (Read_relocs::run): Add task to process relocs and
5619 determine unreferenced sections when doing garbage collection.
5620 (Gc_process_relocs): New class.
5621 (Sized_relobj::do_gc_process_relocs): New function.
5622 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
5623 sections that are garbage collected.
5624 * reloc.h (Gc_process_relocs): New class.
5625 * sparc.cc (Target_sparc::gc_process_relocs): New function.
5626 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
5627 symbols whose corresponding sections are garbage collected.
5628 (Symbol_table::Symbol_table): Add new parameter for the garbage
5629 collection object.
5630 (Symbol_table::gc_mark_undef_symbols): New function.
5631 (Symbol_table::gc_mark_symbol_for_shlib): New function.
5632 (Symbol_table::gc_mark_dyn_syms): New function.
5633 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
5634 as garbage.
5635 (Symbol_table::add_from_object): Likewise.
5636 (Symbol_table::add_from_relobj): When building shared objects, do not
5637 treat externally visible symbols as garbage.
5638 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
5639 table information for static and relocatable links.
5640 * symtab.h (Symbol_table::set_gc): New function.
5641 (Symbol_table::gc): New function.
5642 (Symbol_table::gc_mark_undef_symbols): New function.
5643 (Symbol_table::gc_mark_symbol_for_shlib): New function.
5644 (Symbol_table::gc_mark_dyn_syms): New function.
5645 (Symbol_table::gc_): New data member.
e1df38aa 5646 * target.h (Sized_target::gc_process_relocs): New pure virtual
6d03d481
ST		 5647 function.
5648 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
5649 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
5650
3b293544
CF		 56512009-01-20 Chris Faylor <me.sourceware@sourceware.org>
5652
5653 * options.h (General_options::gc_sections): Define as a no-op for now.
5654 (General_options::no_keep_memory): Ditto.
5655 (General_options::Bshareable): Define.
5656 * options.cc (General_options::finalize): Honor -Bshareable.
5657
83d22aa8
AS		 56582009-01-20 Andreas Schwab <schwab@suse.de>
5659
5660 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
5661 read the value in the contents, since we don't use it. Use the
5662 template endianness when writing.
5663 (Relocate::relocate): Use it for R_PPC_REL16_HA.
5664
cd536b21
AS		 56652009-01-19 Andreas Schwab <schwab@suse.de>
5666
5667 * configure.tgt (powerpc64-*): Fix targ_obj.
5668
99e9a495
ILT		 56692009-01-15 Ian Lance Taylor <iant@google.com>
5670
5671 * object.cc (Sized_relobj::write_local_symbols): Don't write out
5672 local symbols when stripping all symbols.
5673
bbbfea06
CC		 56742009-01-14 Cary Coutant <ccoutant@google.com>
5675
99e9a495 5676 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 5677
0f7c0701
CC		 56782009-01-14 Cary Coutant <ccoutant@google.com>
5679
5680 * archive.cc (Archive::get_elf_object_for_member): Remove call
5681 to File_read::claim_for_plugin.
5682 * descriptors.cc (Descriptors::open): Remove reference to
5683 is_claimed.
5684 (Descriptors::claim_for_plugin): Remove.
5685 * descriptors.h (Descriptors::claim_for_plugin): Remove.
5686 (Descriptors::is_claimed): Remove.
5687 (claim_descriptor_for_plugin): Remove.
5688 * fileread.cc (File_read::claim_for_plugin): Remove.
5689 * fileread.h (File_read::claim_for_plugin): Remove.
5690 (File_read::descriptor): Reopen descriptor if necessary.
5691 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
5692 (Plugin_manager::all_symbols_read): Add task parameter. Change
5693 all callers.
5694 (Plugin_manager::get_input_file): New function.
5695 (Plugin_manager::release_input_file): New function.
5696 (Pluginobj::Pluginobj): Add filesize parameter and initialize
5697 corresponding data member.
5698 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
5699 and pass to base constructor. Change all callers.
5700 (get_input_file, release_input_file): New functions.
5701 (make_sized_plugin_object): Add filesize parameter. Change all callers.
5702 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
5703 (Plugin_manager::all_symbols_read): Add task parameter.
5704 (Plugin_manager::get_input_file): New function.
5705 (Plugin_manager::release_input_file): New function.
5706 (Plugin_manager::task_): New data member.
5707 (Pluginobj::Pluginobj): Add filesize parameter.
5708 (Pluginobj::filename): New function.
5709 (Pluginobj::descriptor): New function.
5710 (Pluginobj::filesize): New function.
5711 (Pluginobj::filesize_): New data member.
5712 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
5713 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
5714 File_read::claim_for_plugin; use Object::unlock to unlock the file.
5715
5716 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
5717 with archive libraries.
5718 * testsuite/Makefile.in: Regenerate.
5719 * testsuite/plugin_test.c (struct sym_info): New type.
5720 (get_input_file, release_input_file): New static variables.
5721 (onload): Capture new transfer vector entries.
5722 (claim_file_hook): Stop reading at end of file according to filesize.
5723 Factor out parsing of readelf output into separate function.
5724 (all_symbols_read_hook): Exercise get_input_file and release_input_file
5725 APIs and get the source file name from the symbol table. Convert
5726 source file name to corresponding object file name. Print info
5727 message when adding new input files.
5728 (parse_readelf_line): New function.
5729 * testsuite/plugin_test_1.sh: Add checks for new info messages.
5730 * testsuite/plugin_test_2.sh: Likewise.
5731 * testsuite/plugin_test_3.sh: Likewise.
5732 * testsuite/plugin_test_4.sh: New test case.
5733
62a6d109
ILT		 57342009-01-07 Ian Lance Taylor <iant@google.com>
5735
5736 * version.cc (version_string): Bump to 1.8.
5737
483620e8
CC		 57382008-12-23 Cary Coutant <ccoutant@google.com>
5739
5740 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
5741 * plugin.cc (Plugin_manager::finish): Rename as
5742 layout_deferred_objects. Move cleanup to separate function.
5743 (Plugin_manager::cleanup): New function.
5744 (Plugin_finish::run): Call layout_deferred_objects and cleanup
5745 separately.
5746 * plugin.h (Plugin_manager::finish): Rename as
5747 layout_deferred_objects.
5748 (Plugin_manager::cleanup): New function.
5749 (Plugin_manager::cleanup_done): New field.
5750
d66a9eb3
CC		 57512008-12-23 Cary Coutant <ccoutant@google.com>
5752
5753 * plugin.cc (is_visible_from_outside): New function.
5754 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
5755 so we don't return "IR only" status for exported symbols or -r links.
5756
5757 * testsuite/Makefile.am (plugin_test_3): New test case.
5758 * testsuite/Makefile.in: Regenerate.
5759 * testsuite/plugin_test_3.sh: New file.
5760
5995b570
CC		 57612008-12-22 Cary Coutant <ccoutant@google.com>
5762
5763 * object.cc (Sized_relobj::layout_section): New function.
5764 (Sized_relobj::do_layout): Defer layout of input sections until after
5765 plugin has provided replacement files.
5766 (Sized_relobj::do_layout_deferred_sections): New function.
5767 * object.h (Relobj::set_section_offset): Remove virtual keyword.
5768 (Relobj::layout_deferred_sections): New function.
5769 (Relobj::do_layout_deferred_sections): New function.
5770 (Sized_relobj::do_layout_deferred_sections): New function.
5771 (Sized_relobj::layout_section): New function.
5772 (Sized_relobj::Deferred_layout): New structure.
5773 (Sized_relobj::deferred_layout_): New field.
5774 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
5775 Change all callers. Layout deferred sections.
5776 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
5777 references.
5778 (Plugin_hook::run): Move code from do_plugin_hook inline.
5779 (Plugin_hook::do_plugin_hook): Remove.
5780 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
5781 (Plugin_manager::finish): Renamed, was cleanup.
5782 (Plugin_manager::should_defer_layout): New function.
5783 (Plugin_manager::add_deferred_layout_object): New function.
5784 (Plugin_manager::Deferred_layout_list): New type.
5785 (Plugin_manager::deferred_layout_objects_): New field.
5786 (Plugin_hook::do_plugin_hook): Remove.
5787
ee769c88
ILT		 57882008-12-17 Ian Lance Taylor <iant@google.com>
5789
5790 * options.h (class General_options): Add --no case for
5791 --export-dynamic.
5792
abc8dcba
CC		 57932008-12-16 Cary Coutant <ccoutant@google.com>
5794
5795 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
5796 vector.
5797 (Plugin_manager::claim_file): Create plugin object even if
5798 plugin did not call the add_symbols callback.
5799 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
5800 asking for more symbols than were added.
5801 * testsuite/Makefile.am (plugin_test_1): Add test case with
5802 no global symbols.
5803 (empty.syms): New target.
5804 * testsuite/Makefile.in: Regenerate.
5805 * testsuite/plugin_test.c (claim_file_hook): Add new debug
5806 message. Don't call add_symbols if no globals.
5807 (all_symbols_read_hook): Don't provide replacement for empty
5808 claimed file.
5809
b0074644
ILT		 58102008-12-12 Ian Lance Taylor <iant@google.com>
5811
68943102
ILT		 5812 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
5813 r_type == 0 for a local symbol with r_sym == 0.
5814 (scan_relocatable_relocs): Pass r_sym to
5815 local_non_section_strategy.
5816 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
5817 r_sym parameter.
5818
b0074644
ILT		 5819 * configure.ac: Update test for TLS descriptors: they are
5820 supported as of glibc 2.9.
5821 * configure: Rebuild.
5822
c2508178
ILT		 58232008-12-11 Ian Lance Taylor <iant@google.com>
5824
5825 PR 7091
5826 * target-reloc.h (Default_scan_relocatable_relocs): For each
5827 function, map r_type == 0 to RELOC_DISCARD.
5828
2756a258
CC		 58292008-12-10 Cary Coutant <ccoutant@google.com>
5830
5831 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
5832 object to override a kept COMDAT group from a plugin object.
5833
bb6f53d3
ILT		 58342008-12-09 Ian Lance Taylor <iant@google.com>
5835
fbc558e1
ILT		 5836 PR 7088
5837 * yyscript.y (file_cmd): Handle INPUT.
5838
bb6f53d3
ILT		 5839 * testsuite/initpri1.c: Change all declarations to be full
5840 prototypes by adding void, to avoid compiler warnings.
5841
4674ecfc
CC		 58422008-12-05 Rafael Avila de Espindola <espindola@google.com>
5843
5844 * options.cc (General_options::parse_plugin_opt): New.
5845 (General_options::add_plugin): The argument now is just the filename.
5846 (General_options::add_plugin_option): New.
5847 * options.h (plugin_opt): New.
5848 (add_plugin): Change argument name.
5849 (add_plugin_option): New.
5850 * plugin.cc (Plugin::load): Don't parse the plugin option.
5851 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
5852 (Plugin::add_option): New.
5853 (Plugin::args_): Change type.
5854 (Plugin::filename_): New.
5855 (Plugin_manager::add_plugin_option): New.
5856 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
5857 * testsuite/Makefile.in: Regenerate.
5858
fd06b4aa
CC		 58592008-12-05 Cary Coutant <ccoutant@google.com>
5860
5861 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
5862 Handle --strip-lto-sections option.
5863 * options.h (strip_lto_sections): New option.
5864
6c52134c
CC		 58652008-12-01 Cary Coutant <ccoutant@google.com>
5866
5867 * plugin.cc (ld_plugin_message): Change format parameter to const.
5868 Fix mismatch between new[] and delete.
5869
a45248e0
CC		 58702008-11-14 Cary Coutant <ccoutant@google.com>
5871
5872 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
5873 instead of -1U.
5874
c82fbeee
CS		 58752008-11-05 Craig Silverstein <csilvers@google.com>
5876
5877 * options.cc (General_options::parse_dynamic_list): New function.
5878 * options.h (General_options): New flags dynamic_list,
5879 dynamic_list_data, dynamic_list_cpp_new, and
5880 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
5881 (General_options::in_dynamic_list): New function.
5882 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
5883 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
5884 (Lex::can_continue_name): Likewise.
5885 (yylex): Likewise.
5886 (read_script_file): New parameter script_options.
5887 (read_dynamic_list): New function.
5888 (Script_options::define_dynamic_list): New function.
5889 (dynamic_list_keyword_parsecodes): New variable.
5890 (dynamic_list_keywords): New variable.
5891 * script.h (Script_options::define_dynamic_list): New function
5892 prototype.
5893 (read_dynamic_list): New function prototype.
5894 * symtab.cc (strprefix): New macro.
5895 (Symbol::should_add_dynsym_entry): Support dynamic_list,
5896 dynamic_list_data, dynamic_list_cpp_new, and
5897 dynamic_list_cpp_typeinfo.
5898 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
5899 (dynamic_list_expr): New rule.
5900 (dynamic_list_nodes): Likewise.
5901 (dynamic_list_node): Likewise.
5902 * testsuite/Makefile.am (dynamic_list): New test.
5903 * testsuite/Makefile.in: Regenerated.
5904 * testsuite/dynamic_list.t: New file.
5905 * testsuite/dynamic_list.sh: New file.
5906
e0bb29a5
CS		 59072008-11-05 Craig Silverstein <csilvers@google.com>
5908
5909 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
5910 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
5911 (t11_last): Likewise.
5912 * testsuite/ver_test_6.c (main): Likewise.
5913
4e1e25e0
CC		 59142008-10-07 Cary Coutant <ccoutant@google.com>
5915
5916 * options.c (General_options::finalize): Add check for -static and
5917 -shared.
5918 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
5919 is not empty.
5920
92f03fcb
CC		 59212008-10-02 Cary Coutant <ccoutant@google.com>
5922
5923 * plugin.cc (make_sized_plugin_object): Fix conditional
5924 compilation to work when not all targets are enabled.
5925
fbd8a257
CC		 59262008-09-29 Cary Coutant <ccoutant@google.com>
5927
5928 * archive.cc (Archive::get_file_and_offset): Use filename instead
5929 of name to get library path.
5930 (Archive::include_member): Unlock external member of a thin archive.
5931
5932 * testsuite/Makefile.am (TEST_AR): New variable.
5933 (thin_archive_test_1): New test.
5934 (thin_archive_test_2): New test.
81636b3f
CC		 5935 * testsuite/Makefile.in: Regenerate.
5936 * testsuite/thin_archive_main.cc: New file.
5937 * testsuite/thin_archive_test_1.cc: New file.
5938 * testsuite/thin_archive_test_2.cc: New file.
5939 * testsuite/thin_archive_test_3.cc: New file.
5940 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 5941
eff45813
CC		 59422008-09-29 Cary Coutant <ccoutant@google.com>
5943
5944 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
5945 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
5946 instead of -1U.
5947 (Sized_relobj::do_finalize_local_symbols): Likewise.
5948 (Sized_relobj::map_to_kept_section): Likewise.
5949 * object.h (Sized_relobj::invalid_address): New constant.
5950 (Sized_relobj::do_output_section_offset): Check for invalid_address
5951 and return -1ULL.
5952 * output.cc (Output_reloc::local_section_offset): Use constant
5953 invalid_address instead of -1U.
5954 (Output_reloc::get_address): Likewise.
5955 (Output_section::output_address): Change -1U to -1ULL.
5956 * output.h (Output_reloc::invalid_address): New constant.
5957 * reloc.cc (Sized_relobj::write_sections): Use constant
5958 invalid_address instead of -1U.
5959 (Sized_relobj::relocate_sections): Likewise.
5960 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
5961 values for merge sections.
5962 * target-reloc.h (relocate_for_relocatable): Use constant
5963 invalid_address instead of -1U.
5964
89fc3421
CC		 59652008-09-19 Cary Coutant <ccoutant@google.com>
5966
5967 Add plugin functionality for link-time optimization (LTO).
5968 * configure.ac (plugins): Add --enable-plugins option.
5969 * configure: Regenerate.
5970 * config.in: Regenerate.
5971 * Makefile.am (LIBDL): New variable.
5972 (CCFILES): Add plugin.cc.
5973 (HFILES): Add plugin.h.
5974 (ldadd_var): Add LIBDL.
5975 * Makefile.in: Regenerate.
5976
5977 * archive.cc: Include "plugin.h".
5978 (Archive::setup): Don't preread archive symbols when using a plugin.
5979 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
5980 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5981 files.
5982 (Archive::include_member): Add symbols from plugin objects.
5983 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5984 * descriptors.cc (Descriptors::open): Check for file descriptors
5985 abandoned by plugins.
5986 (Descriptors::claim_for_plugin): New function.
5987 * descriptors.h (Descriptors::claim_for_plugin): New function.
5988 (Open_descriptor::is_claimed): New field.
5989 (claim_descriptor_for_plugin): New function.
5990 * fileread.cc (File_read::claim_for_plugin): New function.
5991 * fileread.h (File_read::claim_for_plugin): New function.
5992 (File_read::descriptor): New function.
5993 * gold.cc: Include "plugin.h".
5994 (queue_initial_tasks): Add task to call plugin hooks for generating
5995 new object files.
5996 * main.cc: Include "plugin.h".
5997 (main): Load plugin libraries.
5998 * object.h (Pluginobj): Declare.
5999 (Object::pluginobj): New function.
6000 (Object::do_pluginobj): New function.
6001 (Object::set_target): New function.
6002 * options.cc: Include "plugin.h".
6003 (General_options::parse_plugin): New function.
6004 (General_options::General_options): Initialize plugins_ field.
6005 (General_options::add_plugin): New function.
6006 * options.h (Plugin_manager): Declare.
6007 (General_options): Add --plugin option.
6008 (General_options::has_plugins): New function.
6009 (General_options::plugins): New function.
6010 (General_options::add_plugin): New function.
6011 (General_options::plugins_): New field.
6012 * plugin.cc: New file.
6013 * plugin.h: New file.
6014 * readsyms.cc: Include "plugin.h".
6015 (Read_symbols::do_read_symbols): Check for archive before checking
6016 for ELF file. Call plugin hooks to claim files.
6017 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6018 from a real object file; force override when processing replacement
6019 files.
6020 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6021 (Symbol::init_base_object): Likewise.
6022 (Symbol::init_base_output_data): Likewise.
6023 (Symbol::init_base_output_segment): Likewise.
6024 (Symbol::init_base_constant): Likewise.
6025 (Symbol::init_base_undefined): Likewise.
6026 (Symbol::output_section): Assert that object is not a plugin.
6027 (Symbol_table::add_from_pluginobj): New function.
6028 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6029 undefined.
6030 (Symbol_table::sized_write_globals): Likewise.
6031 (Symbol_table::add_from_pluginobj): Instantiate template.
6032 * symtab.h (Sized_pluginobj): Declare.
6033 (Symbol::in_real_elf): New function.
6034 (Symbol::set_in_real_elf): New function.
6035 (Symbol::in_real_elf_): New field.
6036 (Symbol_table::add_from_pluginobj): New function.
6037
6038 * testsuite/Makefile.am (AM_CFLAGS): New variable.
6039 (LIBDL): New variable.
6040 (LDADD): Add LIBDL.
6041 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6042 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6043 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6044 (MOSTLYCLEANFILES): Likewise.
6045 * testsuite/Makefile.in: Regenerate.
6046 * testsuite/plugin_test.c: New file.
6047 * testsuite/plugin_test_1.sh: New file.
6048 * testsuite/plugin_test_2.sh: New file.
6049
de31bda5
ILT		 60502008-09-16 Ian Lance Taylor <iant@google.com>
6051
9c2d0ef9
ILT		 6052 * target-reloc.h (relocate_section): Check whether a symbol is
6053 defined by the ABI before reporting an undefined symbol error.
6054 * target.h (Target::is_defined_by_abi): Make parameter const.
6055 (Target::do_is_defined_by_abi): Likewise.
6056 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6057 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6058 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6059 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6060 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6061 * testsuite/Makefile.in: Rebuild.
6062
de31bda5
ILT		 6063 * fileread.cc (make_view): Add casts to avoid warning.
6064
9fa33bee
AO		 60652008-09-16 Alexandre Oliva <aoliva@redhat.com>
6066
6067 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6068 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6069
183fd0e3
AO		 60702008-09-16 Alexandre Oliva <aoliva@redhat.com>
6071
6072 * options.h (General_options::output_is_executable): New.
6073 (General_options::output_is_pie): New.
6074 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6075 for shared libraries.
6076 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6077
7be8330a
CD		 60782008-09-11 Chris Demetriou <cgd@google.com>
6079
6080 * options.h (origin): New -z option.
6081 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6082 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6083 in DT_FLAGS_1.
6084
a9caad02
CC		 60852008-09-05 Cary Coutant <ccoutant@google.com>
6086
6087 * fileread.cc (File_read::make_view): Add check for attempt to map
6088 beyond end of file.
6089
ae6dce4d
CC		 60902008-09-05 Cary Coutant <ccoutant@google.com>
6091
6092 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6093 explicit instantiations.
6094
d7ab2a47
KVH		 60952008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
6096
6097 PR gold/6858
6098 * options.cc (General_options::finalize): Allow undefined symbols
6099 in shlibs if linking -shared.
6100
6101 PR gold/6859
6102 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6103 symbols as not needing a dynsym entry.
6104
1e52a9c1
CS		 61052008-08-20 Craig Silverstein <csilvers@google.com>
6106
6107 * fileread.cc (File_read::open): Do not lock the file unless it
6108 was successfully opened.
6109
d85c80a3
CC		 61102008-08-14 Cary Coutant <ccoutant@google.com>
6111
6112 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6113 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6114 * testsuite/tls_test.cc (struct int128): 128-bit struct
6115 for testing TLS relocs with non-zero addend.
6116 (v12): New TLS variable.
6117 (t12): New test.
6118 (t_last): Add check for v12.
6119 * testsuite/tls_test.h (t12): New function.
6120 * testsuite/tls_test_main.cc (thread_routine): Call new test.
6121
2d924fd9
ILT		 61222008-08-13 Ian Lance Taylor <iant@google.com>
6123
6124 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6125 set tls_segment_ or relro_segment_.
6126 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6127 when appropriate.
6128 * output.h (Output_section::clear_is_relro): New function.
6129 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6130 sections specially even when output_data_ is empty.
6131 (Output_segment::maximum_alignment): When first section is relro,
6132 only force alignment for PT_LOAD segments.
6133 * script.cc (script_data_segment_align): New function.
6134 (script_data_segment_relro_end): New function.
6135 * script-c.h (script_data_segment_align): Declare.
6136 (script_data_segment_relro_end): Declare.
6137 * script-sections.h (class Script_sections): Declare
6138 data_segment_align and data_segment_relro_end. Add fields
6139 segment_align_index_ and saw_relro_end_.
6140 * script-sections.cc (class Sections_element): Add set_is_relro
6141 virtual function. Add new bool* parameter to place_orphan_here.
6142 Add get_output_section virtual function.
6143 (class Output_section_definition): Add set_is_relro. Add new
6144 bool* parameter to place_orphan_here. Add get_output_section.
6145 Add is_relro_ field.
6146 (Output_section_definition::Output_section_definition): Initialize
6147 evaluated_address_, evaluated_load_address, evaluated_addralign_,
6148 and is_relro_ fields.
6149 (Output_section_definition::place_orphan_here): Add is_relro
6150 parameter.
6151 (Output_section_definition::set_section_addresses): Set relro for
6152 output section.
6153 (Output_section_definition::alternate_constraint): Likewise.
6154 (class Orphan_output_section): Add new bool* parameter to
6155 place_orphan_here. Add get_output_section.
6156 (Orphan_output_section::place_orphan_here): Add is_relro
6157 parameter.
6158 (Script_sections::Script_sections): Initialize
6159 data_segment_align_index_ and saw_relro_end_.
6160 (Script_sections::data_segment_align): New function.
6161 (Script_sections::data_segment_relro_end): New function.
6162 (Script_sections::place_orphan): Set or clear is_relro.
6163 (Script_sections::set_section_addresses): Force alignment of first
6164 TLS section.
6165 * yyscript.y (exp): Call script_data_segment_align and
6166 script_data_segment_relro_end.
6167 * testsuite/relro_script_test.t: New file.
6168 * testsuite/relro_test.cc (using_script): Declare.
6169 (t1, t2): Test using_script.
6170 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
6171 (relro_script_test_SOURCES): Define.
6172 (relro_script_test_DEPENDENCIES): Define.
6173 (relro_script_test_LDFLAGS): Define.
6174 (relro_script_test_LDADD): Define.
6175 (relro_script_test.so): New target.
6176 * testsuite/Makefile.in: Rebuild.
6177
f827c9a9
CC		 61782008-08-06 Cary Coutant <ccoutant@google.com>
6179
6180 * archive.cc (Archive::total_archives, Archive::total_members)
6181 (Archive::total_members_loaded): New variables.
6182 (Archive::setup): Add parameter. Add option to preread
6183 archive symbols.
6184 (Archive::read_armap): Add counter.
6185 (Archive::get_file_and_offset): New function.
6186 (Archive::get_elf_object_for_member): New function.
6187 (Archive::read_all_symbols): New function.
6188 (Archive::read_symbols): New function.
6189 (Archive::add_symbols): Add counters.
6190 (Archive::include_all_members): Use armap to find members if it's
6191 already built.
6192 (Archive::include_member): Skip reading symbols if already read.
6193 Factored code into Archive::get_file_and_offset and
6194 Archive::get_elf_object_for_member. Changed call to
6195 Mapfile::report_include_archive_member.
6196 (Archive::print_stats): New function.
6197 * archive.h: Declare Object and Read_symbols_data classes.
6198 (Archive::Archive): Add initializers for new members.
6199 (Archive::setup): Add parameter.
6200 (Archive::print_stats): New function.
6201 (Archive::total_archives, Archive::total_members)
6202 (Archive::total_members_loaded): New variables.
6203 (Archive::get_file_and_offset): New function.
6204 (Archive::get_elf_object_for_member): New function.
6205 (Archive::read_all_symbols): New function.
6206 (Archive::read_symbols): New function.
6207 (Archive::Archive_member): New class.
6208 (Archive::members_): New member.
6209 (Archive::num_members_): New member.
6210 * main.cc: Include archive.h.
6211 (main): Call Archive::print_stats.
6212 * mapfile.cc (Mapfile::report_include_archive_member): Delete
6213 archive parameter; member_name is now the fully-decorated name.
6214 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
6215 * options.h: (General_options): Add --preread-archive-symbols option.
6216 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
6217 Archive::setup.
6218
de4c45bd
ILT		 62192008-08-04 Ian Lance Taylor <iant@google.com>
6220
6221 * symtab.h (Symbol::use_plt_offset): New function.
6222 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
6223 * powerpc.cc (Relocate::relocate): Likewise.
6224 * sparc.cc (Relocate::relocate): Likewise.
6225 * x86_64.cc (Relocate::relocate): Likewise.
6226 * testsuite/weak_plt.sh: New test.
6227 * testsuite/weak_plt_main.cc: New test.
6228 * testsuite/weak_plt_shared.cc: New test.
6229 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
6230 (check_PROGRAMS): Add weak_plt.
6231 (check_DATA): Add weak_plt_shared.so.
6232 (weak_plt_main_pic.o, weak_plt): New targets.
6233 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
6234 * testsuite/Makefile.in: Rebuild.
6235
6236 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
6237 gcctestdir/ld.
6238 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
6239 * testsuite/Makefile.in: Rebuild.
6240
323ee3f4
AM		 62412008-08-04 Alan Modra <amodra@bigpond.net.au>
6242
6243 * Makefile.am (POTFILES.in): Set LC_ALL=C.
6244 * Makefile.in: Regenerate.
6245 * po/POTFILES.in: Regenerate.
6246
7c07ecec
ILT		 62472008-07-29 Ian Lance Taylor <iant@google.com>
6248
6249 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
6250 symbols before other symbols.
6251 * testsuite/script_test_2.cc (test_addr): Declare.
6252 (test_addr_alias): Declare.
6253 (main): Check that test_addr and test_addr_alias have the right
cd536b21 6254 values.
7c07ecec
ILT		 6255 * testsuite/script_test_2.t: Define test_addr_alias and
6256 test_addr.
6257
5778530e
ILT		 62582008-07-24 Ian Lance Taylor <iant@google.com>
6259
2a00e4fb
ILT		 6260 PR 5990
6261 * descriptors.cc: New file.
6262 * descriptors.h: New file.
6263 * gold-threads.h (class Hold_optional_lock): New class.
6264 * fileread.cc: Include "descriptors.h".
6265 (File_read::~File_read): Release descriptor rather than closing
6266 it.
6267 (File_read::open) [file]: Call open_descriptor rather than open.
6268 Set is_descriptor_opened_.
6269 (File_read::open) [memory]: Assert that descriptor is not open.
6270 (File_read::reopen_descriptor): New function.
6271 (File_read::release): Release descriptor.
6272 (File_read::do_read): Make non-const. Reopen descriptor.
6273 (File_read::read): Make non-const.
6274 (File_read::make_view): Reopen descriptor.
6275 (File_read::do_readv): Likewise.
6276 * fileread.h (class File_read): Add is_descriptor_opened_ field.
6277 Update declarations.
6278 * layout.cc: Include "descriptors.h".
6279 (Layout::create_build_id): Use open_descriptor rather than open.
6280 * output.cc: Include "descriptors.h".
6281 (Output_file::open): Use open_descriptor rather than open.
6282 * archive.cc (Archive::const_iterator): Change Archive to be
6283 non-const.
6284 (Archive::begin, Archive::end): Make non-const.
6285 (Archive::count_members): Likewise.
6286 * archive.h (class Archive): Update declarations.
6287 * object.h (Object::read): Make non-const.
6288 * Makefile.am (CCFILES): Add descriptors.cc.
6289 (HFILES): Add descriptors.h.
6290 * Makefile.in: Rebuild.
6291
801647d1
ILT		 6292 PR 6716
6293 * gold.h: Always include <clocale>. Add Solaris workarounds
6294 following code in binutils/sysdep.h.
6295
5edd166e
ILT		 6296 PR 6048
6297 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
6298 this->eh_frame_hdr_ is NULL before using it.
6299
c89ad728
ILT		 6300 * dynobj.cc (Versions::Versions): Update comment.
6301
aa86f06b
ILT		 6302 * dynobj.cc (Versions::Versions): If there is an soname, use it as
6303 the base version name.
6304
5778530e
ILT		 6305 * stringpool.cc (Stringpool_template::add_with_length): Set key to
6306 array size plus one.
6307 (Stringpool_template::set_string_offsets): Subtract one from key
6308 before using it as an array index.
6309 (Stringpool_template::get_offset_with_length): Likewise.
6310 (Stringpool_template::write_to_buffer): Likewise.
6311 * stringpool.h (Stringpool_template::get_offset_from_key):
6312 Likewise.
6313
057ead22
ILT		 63142008-07-23 Ian Lance Taylor <iant@google.com>
6315
7f649c59
ILT		 6316 PR 6658
6317 * object.h (Merged_symbol_value::value): Do our best to handle a
6318 negative addend.
6319
057ead22
ILT		 6320 PR 6647
6321 * script.cc (Version_script_info::get_versions): Don't add empty
6322 version tag to return value.
6323 (Version_script_info::get_symbol_version_helper): Change return
6324 type to bool. Add pversion parameter. Change all callers.
6325 (script_register_vers_node): Don't require a non-NULL tag.
6326 * script.h (class Version_script_info): Update declarations.
6327 (Version_script_info::get_symbol_version): Change return type to
6328 bool. Add version parameter. Change all callers.
6329 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
6330 handling. Handle an empty version from a version script.
6331 (Symbol_table::define_special_symbol): Likewise.
6332 * testsuite/ver_test_10.script: New file.
6333 * testsuite/ver_test_10.sh: New file.
6334 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
6335 (check_DATA): Add ver_test_10.syms.
6336 (ver_test_10.syms, ver_test_10.so): New target.
6337 * testsuite/Makefile.in: Rebuild.
6338
58e54ac2
CD		 63392008-07-23 Simon Baldwin <simonb@google.com>
6340
6341 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
6342 to zero for undefined symbols from dynamic libraries.
6343
95d14cd3
ILT		 63442008-07-23 Ian Lance Taylor <iant@google.com>
6345
6346 * symtab.cc (Symbol_table::resolve): Remove version parameter.
6347 Change all callers.
6348 * symtab.h (class Symbol_table): Update declaration.
6349 * testsuite/ver_test_9.cc: New file.
6350 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
6351 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
6352 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
6353 (ver_test_9.so, ver_test_9.o): New targets.
6354 * testsuite/Makefile.in: Rebuild.
6355
92de84a6
ILT		 63562008-07-22 Ian Lance Taylor <iant@google.com>
6357
34810851
ILT		 6358 * options.h (class General_options): Define --check-sections.
6359 * layout.cc (Layout::set_segment_offsets): Handle
6360 --check-sections.
6361
af6156ef
ILT		 6362 * options.h (class General_options): Define -n/--nmagic and
6363 -N/--omagic.
6364 * options.cc (General_options::finalize): For -n/--nmagic or
6365 -N/--omagic, set -static.
6366 * layout.cc (Layout::attach_allocated_section_to_segment): If
6367 -N/--omagic, don't put read-only and read-write sections in
6368 different segments.
6369 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
6370 finding a read-only segment.
6371 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
6372 don't set the minimum segment alignment to the common page size,
6373 and don't set the file offset to the address modulo the page size.
6374 * script-sections.cc (Script_sections::create_segments): If
6375 -n/--omagic, don't put read-only and read-write sections in
6376 different segments.
6377
92de84a6
ILT		 6378 * cref.cc: New file.
6379 * cref.h: New file.
6380 * options.h (class General_options): Add --print-symbol-counts.
6381 * main.cc (main): Issue defined symbol report if requested.
6382 * archive.cc (Archive::interpret_header): Make into a const member
6383 function.
6384 (Archive::add_symbols): Call Input_objects::archive_start and
6385 archive_stop.
6386 (Archive::const_iterator): Define new class.
6387 (Archive::begin, Archive::end): New functions.
6388 (Archive::include_all_members): Rewrite to use iterator.
6389 (Archive::count_members): New function.
6390 * archive.h (class Archive): Update declarations.
6391 (Archive::filename): New function.
6392 * object.cc: Include "cref.h".
6393 (Sized_relobj::Sized_relobj): Initialize defined_count_.
6394 (Sized_relobj::do_get_global_symbol_counts): New function.
6395 (Input_objects::add_object): Add object to cross-referencer.
6396 (Input_objects::archive_start): New function.
6397 (Input_objects::archive_stop): New function.
6398 (Input_objects::print_symbol_counts): New function.
6399 * object.h: Declare Cref and Archive.
6400 (Object::get_global_symbol_counts): New function.
6401 (Object::do_get_global_symbol_counts): New pure virtual function.
6402 (class Sized_relobj): Add defined_count_ field. Update
6403 declarations.
6404 (class Input_objects): Add cref_ field. Update constructor.
6405 Update declarations.
6406 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
6407 defined_count_.
6408 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
6409 symbol counts.
6410 (Sized_dynobj::do_get_global_symbol_counts): New function.
6411 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
6412 defined_count_. Update declarations. Define Symbols typedef.
6413 * symtab.cc (Symbol_table::add_from_relobj): Add defined
6414 parameter. Change all callers.
6415 (Symbol_table::add_from_dynobj): Add sympointers and defined
6416 parameters. Change all callers.
6417 * symtab.h (class Symbol_table): Update declarations.
6418 * Makefile.am (CCFILES): Add cref.cc.
6419 (HFILES): Add cref.h.
6420 * Makefile.in: Rebuild.
6421
3f7c5e1d
CD		 64222008-07-22 Simon Baldwin <simonb@google.com>
6423
6424 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
6425 to zero when writing undefined symbols.
6426
e0b64032
ILT		 64272008-07-22 Ian Lance Taylor <iant@google.com>
6428
6429 * output.cc (Output_section::add_input_section): Don't try to
6430 merge empty merge sections.
6431
096b02cf
CS		 64322008-07-21 Craig Silverstein <csilvers@google.com>
6433
6434 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6435 Include symbol version in error message.
cd536b21 6436
1d1f116d
CD		 64372008-07-20 Chris Demetriou <cgd@google.com>
6438
cd536b21 6439 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 6440 (RANDOM_SEED_CFLAGS): New substituted variable.
6441 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
6442 * configure: Rebuild.
6443 * Makefile.in: Likewise.
6444 * testsuite/Makefile.in: Likewise.
6445
a18f591e
ILT		 64462008-07-18 Ian Lance Taylor <iant@google.com>
6447
6448 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
6449 where we see NAME/NULL and NAME/VERSION as separate symbols.
6450 * testsuite/ver_test_main.cc (main): Call t4.
6451 (t4, t4_2a): Define.
6452 * testsuite/ver_test_2.cc (t4_2): Define.
6453 * testsuite/ver_test_2.script: Put t4_2a in VER2.
6454 * testsuite/ver_test_4.cc (t4_2a): Define.
6455 * testsuite/ver_test_4.script: Put t4_2a in VER2.
6456 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
6457
c6e3f6ed
ILT		 64582008-07-17 Ian Lance Taylor <iant@google.com>
6459
6460 * dynobj.cc (Versions::add_def): If we give an error about a
6461 missing version, go ahead and create the version anyhow.
6462
ef9beddf
ILT		 64632008-07-10 Ian Lance Taylor <iant@google.com>
6464
6465 Handle output sections with more than 0x7fffffff bytes.
6466 * object.h (class Relobj): Change map_to_output_ to
6467 output_sections_, and just keep a section pointer. Change all
6468 uses. Move comdat group support to Sized_relobj.
6469 (Relobj::is_section_specially_mapped): Remove.
6470 (Relobj::output_section): Remove poff parameter. Change all
6471 callers.
6472 (Relobj::output_section_offset): New function.
6473 (Relobj::set_section_offset): Rewrite.
6474 (Relobj::map_to_output): Remove.
6475 (Relobj::output_sections): New function.
6476 (Relobj::do_output_section_offset): New pure virtual function.
6477 (Relobj::do_set_section_offset): Likewise.
6478 (class Sized_relobj): Add section_offsets_ field. Add comdat
6479 group support from Relobj. Update declarations.
6480 (Sized_relobj::get_output_section_offset): New function.
6481 (Sized_relobj::do_output_section_offset): New function.
6482 (Sized_relobj::do_set_section_offset): New function.
6483 * object.cc (Relobj::output_section_address): Remove.
6484 (Sized_relobj::Sized_relobj): Initialize new fields.
6485 (Sized_relobj::include_section_group): Cast find_kept_object to
6486 Sized_relobj.
6487 (Sized_relobj::include_linkonce_section): Likewise.
6488 (Sized_relobj::do_layout): Use separate arrays for output section
6489 and output offset.
6490 (Sized_relobj::do_count_local_symbols): Change map_to_output to
6491 output_sections.
6492 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
6493 output_sections and section_offsets.
6494 (Sized_relobj::write_local_symbols): Likewise.
6495 (map_to_kept_section): Compute output address directly.
6496 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
6497 output_sections and section_offsets.
6498 (Sized_relobj::write_sections): Likewise.
6499 (Sized_relobj::relocate_sections): Likewise.
6500 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
6501 * output.h (class Output_reloc): Update declarations. Change
6502 u2_.relobj to Sized_relobj*.
6503 (class Output_data_reloc): Change add functions to use
6504 Sized_relobj*.
6505 * output.cc (Output_reloc::Output_reloc): Change relobj to
6506 Sized_relobj*.
6507 (Output_reloc::local_section_offset): Change return type to
6508 Elf_Addr. Use get_output_section_offset.
6509 (Output_reloc::get_address): Likewise.
6510 (Output_section::is_input_address_mapped): Don't call
6511 is_section_specially_mapped.
6512 (Output_section::output_offset): Likewise.
6513 (Output_section::output_address): Likewise.
6514 (Output_section::starting_output_address): Likewise.
6515 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
6516 parameter to Sized_relobj*.
6517 (Copy_relocs::need_copy_reloc): Likewise.
6518 (Copy_relocs::save): Likewise.
6519 * copy-relocs.h (class Copy_relocs): Update declarations.
6520 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
6521 Sized_relobj*. Change relobj_ field to Sized_relobj*.
6522 * target-reloc.h (relocate_for_relocatable): Change
6523 offset_in_output_section type to Elf_Addr. Change code that uses
6524 it as well.
6525 * layout.cc (Layout::layout): Always set *off.
6526 * mapfile.cc (Mapfile::print_input_section): Use
6527 output_section_offset.
6528 * i386.cc (Target_i386::copy_reloc): Change object parameter to
6529 Sized_relobj*.
6530 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
6531 * sparc.cc (Target_sparc::copy_reloc): Likewise.
6532 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
6533
5cb66f97
ILT		 65342008-07-03 Ian Lance Taylor <iant@google.com>
6535
6536 * layout.cc (Layout::include_section): Do not discard unrecognized
6537 SHT_STRTAB sections.
6538
afe47622
CS		 65392008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
6540
6541 * script.cc (Lex::can_continue_name): Make '?' allowable in
6542 version-script names.
6543 * testsuite/version_script.map: Change glob pattern to use '?'
6544
5adf9721
ILT		 65452008-06-30 Manish Singh <yosh@gimp.org>
6546
6547 PR 6585
6548 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
6549 Correct typo.
6550
e6fde208
ILT		 65512008-06-30 Ian Lance Taylor <iant@google.com>
6552
6553 PR 6660
6554 PR 6682
6555 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
6556 versions]: Don't try to read the value in the contents, since we
6557 don't use it. Use the template endianness when writing.
6558
3f2e6a2d
CC		 65592008-06-25 Cary Coutant <ccoutant@google.com>
6560
6561 * fileread.cc (File_read::make_view): Assert on zero-length view.
6562 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
6563 symbol table when there are no symbols to read.
6564
c43d3a48
CS		 65652008-06-23 Craig Silverstein <csilvers@google.com>
6566
6567 * version.cc (version_string): Bump to 1.7
6568
5f494ea0
CS		 65692008-06-18 Craig Silverstein <csilvers@google.com>
6570
6571 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
6572 constant 0xFFFF to type Valtype.
6573 (Powerpc_relocate_functions::rel16_ha): Likewise.
6574
c42e122e
ILT		 65752008-06-17 Ian Lance Taylor <iant@google.com>
6576
f34787f8
ILT		 6577 * output.h (Output_section::Input_section): Initialize p2align_ to
6578 zero for Output_section_data constructors.
6579 (Output_section::Input_section::addralign): If not an input
6580 section, return the alignment of the Output_section_data.
6581 * testsuite/copy_test.cc: New file.
6582 * testsuite/copy_test_1.cc: New file.
6583 * testsuite/copy_test_2.cc: New file.
6584 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
6585 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
6586 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
6587 (copy_test_1_pic.o, copy_test_1.so): New targets.
6588 (copy_test_2_pic.o, copy_test_2.so): New targets.
6589 * testsuite/Makefile.in: Rebuild.
6590
c42e122e
ILT		 6591 * script-sections.cc (Script_sections::place_orphan): Initialize
6592 local variable exact.
6593
ce3ac18a
DE		 65942008-06-13 David Edelsohn <edelsohn@gnu.org>
6595
6596 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
6597
42cacb20
DE		 65982008-06-12 David Edelsohn <edelsohn@gnu.org>
6599 David S. Miller <davem@davemloft.net>
6600
6601 * powerpc.cc: New file.
6602 * Makefile.am (TARGETSOURCES): Add powerpc.cc
6603 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
6604 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
6605 * Makefile.in: Rebuild.
6606
7b308235
ILT		 66072008-06-09 Ian Lance Taylor <iant@google.com>
6608
6609 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
6610 <exception>.
6611 (throwing, orig_terminate): New static variables.
6612 (terminate_handler): New static function.
6613 (t2): Set terminate handler.
6614
f0b886e3
ILT		 66152008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
6616
6617 PR 6584
cd536b21 6618 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 6619 alignment.
6620
3e90f135
CC		 66212008-05-30 Cary Coutant <ccoutant@google.com>
6622
6623 * archive.cc (Archive::include_all_members) Correct to step
6624 over symbol table and extended name table in thin archives.
6625
e09ad04a
ILT		 66262008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
6627
6628 PR 6407
6629 * target-reloc.h (relocate_for_relocatable): Fix new_offset
6630 calculation.
6631
62b01cb5
ILT		 66322008-05-28 Caleb Howe <cshowe@google.com>
6633
6634 * reduced_debug_output.cc: New file.
6635 * reduced_debug_output.h: New file.
92de84a6 6636 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 6637 * options.cc (General_options::finalize): Add strip_debug_non_line
6638 to the strip heirarchy.
6639 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
6640 fields.
6641 * layout.cc: Include "reduced_debug_output.h".
6642 (Layout::Layout): Initialize new fields.
6643 (line_only_debug_sections): New static array.
6644 (is_lines_only_debug_sections): New static inline function.
6645 (Layout::include_section): Handle --strip-debug-non-line.
6646 (Layout::make_output_section): If --strip-debug-non-line, build
6647 new output sections for .debug_abbrev and .debug_info.
6648 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
6649 gold. Warn about possible overflow.
6650 (read_signed_LEB_128): Likewise.
6651 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
6652 (read_signed_LEB_128): Declare.
6653 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
6654 (HFILES): Add reduced_debug_output.h.
6655 * Makefile.in: Rebuild.
6656
7d9e3d98
ILT		 66572008-05-21 Ian Lance Taylor <iant@google.com>
6658
6659 * mapfile.cc: New file.
6660 * mapfile.h: New file.
6661 * options.h (class General_options): Add -M/--print-map and -Map.
6662 * options.cc (General_options::finalize): Make -M equivalent to
6663 -Map -.
6664 * main.cc: Include <cstdio> and "mapfile.h".
6665 (main): Open mapfile if requested.
6666 * gold.cc (class Middle_runner): Add mapfile_ field. Update
6667 constructor. Change caller.
6668 (queue_initial_tasks): Add mapfile parameter. Change caller.
6669 (queue_middle_tasks): Likewise.
6670 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
6671 declarations.
6672 * archive.cc: Include "mapfile.h".
6673 (Archive::add_symbols): Add mapfile parameter. Change all
6674 callers. Pass mapfile, symbol, and reason to include_member.
6675 (Archive::include_all_members): Add mapfile parameter. Change all
6676 callers.
6677 (Archive::include_member): Add mapfile, sym, and why parameters.
6678 Change all callers. Report inclusion to map file.
6679 * archive.h: Include "fileread.h".
6680 (class Archive): Update declarations.
6681 (Archive::file): New const method.
6682 (class Add_archive_symbols): Add mapfile_ field. Update
6683 constructor. Change all callers.
6684 * readsyms.h (class Read_symbols): Likewise.
6685 (class Finish_group): Likewise.
6686 (class Read_script): Likewise.
6687 * common.cc: Include "mapfile.h".
6688 (Symbol_table::allocate_commons): Add mapfile parameter. Change
6689 all callers.
6690 (Symbol_table::do_allocate_commons): Likewise.
6691 (Symbol_table::do_allocate_commons_list): Likewise. Report common
6692 symbol allocation to mapfile.
6693 * common.h (class Allocate_commons_task): Add mapfile_ field.
6694 Update constructor. Change all callers.
6695 * symtab.h (class Symbol_table): Update declarations.
6696 * layout.cc: Include "mapfile.h".
6697 (Layout_task_runner::run): Print information to mapfile.
6698 (Layout::create_gold_note): Change Output_data_fixed_space to
6699 Output_data_zero_fill.
6700 (Layout::create_build_id): Likewise.
6701 (Layout::print_to_mapfile): New function.
6702 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
6703 constructor. Change caller.
6704 (class Layout): Declare print_to_mapfile.
6705 * output.cc (Output_section::Input_section::print_to_mapfile): New
6706 function.
6707 (Output_section::add_input_section): If producing a map, always
6708 add to input_sections_ list.
6709 (Output_section::do_print_to_mapfile): New function.
6710 (Output_segment::print_sections_to_mapfile): New function.
6711 (Output_segment::print_section_list_to_mapfile): New function.
6712 * output.h: Include "mapfile.h".
6713 (Output_data::print_to_mapfile): New function.
6714 (Output_data::do_print_to_mapfile): New virtual function.
6715 (Output_segment_headers::do_print_to_mapfile): New function.
6716 (Output_file_header::do_print_to_mapfile): New function.
6717 (Output_data_const::do_print_to_mapfile): New function.
6718 (class Output_data_const_buffer): Add map_name_ field. Update
6719 constructor. Change all callers. Add do_print_to_mapfile
6720 function.
6721 (class Output_data_fixed_space): Likewise.
6722 (class Output_data_space): Likewise.
6723 (class Output_data_zero_fill): New class.
6724 (Output_data_strtab::do_print_to_mapfile): New function.
6725 (Output_data_reloc_base::do_print_to_mapfile): New function.
6726 (Output_relocatable_relocs::do_print_to_mapfile): New function.
6727 (Output_data_group::do_print_to_mapfile): New function.
6728 (Output_data_got::do_print_to_mapfile): New function.
6729 (Output_data_dynamic::do_print_to_mapfile): New function.
6730 (Output_symtab_xindex::do_print_to_mapfile): New function.
6731 (class Output_section): Declare do_print_to_mapflie. Declare
6732 print_to_mapfile in Input_section.
6733 (class Output_segment): Declare new functions.
6734 * object.h (Sized_relobj::symbol_count): New function.
6735 * script-sections.cc
6736 (Output_section_element_dot_assignment::set_section_addresses):
6737 Change Output_data_fixed_space to Output_data_zero_fill.
6738 (Output_data_expression::do_print_to_mapfile): New function.
6739 * script.cc (read_input_script): Add mapfile parameter. Change
6740 all callers.
6741 * script.h (read_input_script): Update declaration.
6742 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
6743 (Eh_frame::do_print_to_mapfile): New function.
6744 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
6745 (Output_merge_string::do_print_to_mapfile): New function.
6746 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
6747 function.
6748 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
6749 function.
6750 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
6751 function.
6752 * Makefile.am (CCFILES): Add mapfile.cc.
6753 (HFILES): Add mapfile.h.
6754 * Makefile.in: Rebuild.
6755
9f1d377b
ILT		 67562008-05-19 Ian Lance Taylor <iant@google.com>
6757
6758 * options.h (class General_options): Add -z relro.
6759 * layout.cc (Layout::Layout): Initialize relro_segment_.
6760 (Layout::add_output_section_data): Return the output section.
6761 (Layout::make_output_section): Rcognize relro sections and mark
6762 them appropriately.
6763 (Layout::attach_allocated_section_to_segment): Put relro sections
6764 in a PT_GNU_RELRO segment.
6765 (Layout::create_initial_dynamic_sections): Mark the .dynamic
6766 section as relro.
6767 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
6768 PT_TLS segments.
6769 (Layout::linkonce_mapping): Map d.rel.ro.local to
6770 .data.rel.ro.local.
6771 (Layout::output_section_name): Us .data.rel.ro.local for any
6772 section which begins with that.
6773 * layout.h (class Layout): Update add_output_section_data
6774 declaration. Add relro_segment_ field.
6775 * output.cc (Output_section::Output_section): Initialize is_relro_
6776 and is_relro_local_ fields.
6777 (Output_segment::add_output_section): Group relro sections.
6778 (Output_segment::is_first_section_relro): New function.
6779 (Output_segment::maximum_alignment): If there is a relro section,
6780 align the segment to the common page size.
6781 (Output_segment::set_section_addresses): Track whether we are
6782 looking at relro sections. If the last section is a relro
6783 section, align to the common page size.
6784 (Output_segment::set_section_list_addresses): Add in_relro
6785 parameter. Change all callers. Align to the page size when
6786 moving from relro to non-relro section.
6787 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
6788 segment.
6789 * output.h (class Output_section): Add is_relro_ and
6790 is_relro_local_ fields.
6791 (Output_section::is_relro): New function.
6792 (Output_section::set_is_relro): New function.
6793 (Output_section::is_relro_local): New function.
6794 (Output_section::set_is_relro_local): New function.
6795 (class Output_segment): Update declarations.
6796 * i386.cc (Target_i386::got_section): Mark .got section as relro.
6797 * sparc.cc (Target_sparc::got_section): Likewise.
6798 * x86_64.cc (Target_x86_64::got_section): Likewise.
6799 * testsuite/relro_test_main.cc: New file.
6800 * testsuite/relro_test.cc: New file.
6801 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
6802 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
6803 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
6804 (relro_test.so, relro_test_pic.o): New targets.
6805 * testsuite/Makefile.in: Rebuild.
6806
a984ee1d
ILT		 68072008-05-16 Ian Lance Taylor <iant@google.com>
6808
01676dcd
ILT		 6809 * output.cc (Output_segment::add_output_section): Remove front
6810 parameter.
6811 * output.h (class Output_segment): Remove
6812 add_initial_output_section and overloaded add_output_section.
6813 Update declaration of remaining add_output_section.
6814 * layout.cc (Layout::create_interp): Call add_output_section
6815 rather than add_initial_output_section.
6816 (Layout::finish_dynamic_section): Likewise.
6817
497897f9
ILT		 6818 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
6819 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
6820 know the dynamic type.
6821 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
6822 field. Initialize it in constructor.
6823 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
6824 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
6825 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
6826 reloc.
6827
a984ee1d
ILT		 6828 * output.cc (Output_reloc::get_address): Change return type to
6829 Elf_Addr.
6830 * output.h (class Output_reloc): Update get_address declaration.
6831 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
6832 for section addresses.
6833
55ba0940
ILT		 68342008-05-09 Ian Lance Taylor <iant@google.com>
6835
6836 PR 6493
6837 * gold.cc (gold_nomem): Use return value of write.
6838
75517b77
ILT		 68392008-05-08 Ian Lance Taylor <iant@google.com>
6840
6841 * symtab.c (Symbol::init_base_output_data): Add version
6842 parameter. Change all callers.
6843 (Symbol::init_base_output_segment): Likewise.
6844 (Symbol::init_base_constant): Likewise.
6845 (Symbol::init_base_undefined): Likewise.
6846 (Sized_symbol::init_output_data): Likewise.
6847 (Sized_symbol::init_output_segment): Likewise.
6848 (Sized_symbol::init_constant): Likewise.
6849 (Sized_symbol::init_undefined): Likewise.
6850 (Symbol_table::do_define_in_output_data): If the new symbol has a
6851 version, mark it as the default.
6852 (Symbol_table::do_define_in_output_segment): Likewise.
6853 (Symbol_table::do_define_as_constant): Likewise.
6854 * symtab.h (class Symbol): Update declarations.
6855 (class Sized_symbol): Likewise.
6856 * resolve.cc (Symbol::override_version): New function.
c42e122e 6857 (Symbol::override_base): Call override_version.
75517b77
ILT		 6858 (Symbol::override_base_with_special): Likewise.
6859 * testsuite/ver_script_8.script: New file.
6860 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
6861 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
6862 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
6863 (ver_test_8_1.so, ver_test_8_2.so): New targets.
6864
f1f70eae
ILT		 68652008-05-06 Ian Lance Taylor <iant@google.com>
6866
f3e9c5c5
ILT		 6867 PR 6049
6868 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
6869 functions.
6870 (class General_options): Remove existing --undefined, and add
6871 --no-undefined instead. Add new --undefined as synonym for -u.
6872 * archive.cc (Archive::add_symbols): Check whether symbol was
6873 named with -u.
6874 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
6875 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
6876 all uses. Add IS_UNDEFINED. Update declarations to split
6877 different versions of init_base. Declare init_base_undefined.
6878 (Symbol::is_defined): Handle IS_UNDEFINED.
6879 (Symbol::is_undefined): Likewise.
6880 (Symbol::is_weak_undefined): Call is_undefined.
6881 (Symbol::is_absolute): Handle IS_CONSTANT.
6882 (class Sized_symbol): Update declarations to split different
6883 versions of init. Declare init_undefined.
6884 (class Symbol_table): Declare new functions.
6885 * symtab.cc (Symbol::init_base_object): Rename from init_base.
6886 Change all callers.
6887 (Symbol::init_base_output_data): Likewise.
6888 (Symbol::init_base_output_segment): Likewise.
6889 (Symbol::init_base_constant): Likewise.
6890 (Symbol::init_base_undefined): New function.
6891 (Sized_symbol::init_object): Rename from init. Change all
6892 callers.
6893 (Sized_symbol::init_output_data): Likewise.
6894 (Sized_symbol::init_output_segment): Likewise.
6895 (Sized_symbol::init_constant): Likewise.
6896 (Sized_symbol::init_undefined): New function.
6897 (Symbol_table::add_undefined_symbols_from_command_line): New
6898 function.
6899 (Symbol_table::do_add_undefined_symbols_from_command_line): New
6900 function.
6901 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
6902 (Symbol::output_section): Likewise.
6903 (Symbol::set_output_section): Likewise.
6904 (Symbol_table::sized_finalize_symbol): Likewise.
6905 (Symbol_table::sized_write_globals): Likewise.
6906 * resolve.cc (Symbol_table::should_override): Likewise.
6907 (Symbol::override_base_with_special): Likewise.
6908
8bdcdf2c
ILT		 6909 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
6910 symbol, change it to have default visibility.
6911 * testsuite/protected_1.cc: New file.
6912 * testsuite/protected_2.cc: New file.
6913 * testsuite/protected_3.cc: New file.
6914 * testsuite/protected_main_1.cc: New file.
6915 * testsuite/protected_main_2.cc: New file.
6916 * testsuite/protected_main_3.cc: New file.
6917 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
6918 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
6919 (protected_1_LDFLAGS, protected_1_LDADD): Define.
6920 (protected_1.so): New target.
6921 (protected_1_pic.o, protected_2_pic.o): New targets.
6922 (protected_3_pic.o): New target.
6923 (check_PROGRAMS): Add protected_2.
6924 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
6925 (protected_2_LDFLAGS, protected_2_LDADD): Define.
6926 * testsuite/Makefile.in: Rebuild.
6927
2b706932
ILT		 6928 * options.h (DEFINE_var): Add set_user_set_##varname__.
6929 (DEFINE_bool_alias): New macro.
6930 (class General_options): Define -Bstatic using DEFINE_bool_alias
6931 rather than DEFINE_special. Add --undefined as an alias for -z
6932 defs.
6933 * options.cc (General_options::parse_Bstatic): Remove.
6934
d82a5bcc
ILT		 6935 * options.h (class General_options): Add --fatal-warnings.
6936 * main.cc (main): Implement --fatal-warnings.
6937 * errors.h (Errors::warning_count): New function.
6938
f1f70eae
ILT		 6939 * options.h (class General_options): Add -Bsymbolic-functions.
6940 * symtab.h (Symbol::is_preemptible): Check for
6941 -Bsymbolic-functions.
6942
8825ac63
ILT		 69432008-05-05 Ian Lance Taylor <iant@google.com>
6944
d98bc257
ILT		 6945 * options.h (DEFINE_bool): For DASH_Z, create the negative option
6946 as noVARNAME rather than no-VARNAME.
6947 (class General_options): Add option -z combreloc.
6948 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
6949 get_address.
6950 (Output_reloc::sort_before) [SHT_REL]: New function.
6951 (Output_reloc::sort_before) [SHT_RELA]: New function.
6952 (class Output_data_reloc_base): Add sort_relocs_ field. Define
6953 Sort_relocs_comparison.
6954 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
6955 parameter. Change all callers.
6956 (Output_data_reloc::Output_data_reloc) [both versions]: Add
6957 sort_relocs parameter. Change all callers.
6958 * output.cc (Output_reloc::get_address): New function, broken out
6959 of write_rel.
6960 (Output_reloc::write_rel): Call it.
6961 (Output_reloc::compare): New function.
6962 (Output_data_reloc_base::do_write): Optionally sort relocs.
6963
60b2b4e7
ILT		 6964 * configure.ac: If targ_extra_obj is set, link it in.
6965 * configure.tgt: Initialize all variables.
6966 (x86_64*): Set targ_extra_obj and targ_extra_size.
6967 * configure: Rebuild.
6968
8825ac63
ILT		 6969 * object.cc (Sized_relobj::include_section_group): Adjust section
6970 indexes read from group data. Build vector to pass to
6971 layout_group.
6972 * layout.cc (Layout::layout_group): Add flags and shndxes
6973 parameters. Remove contents parameter. Change caller. Update
6974 explicit instantiations.
6975 * layout.h (class Layout): Update layout_group declaration.
6976 * output.cc (Output_data_group::Output_data_group): Add flags and
6977 input_shndxes parameters. Remove contents parameter. Change
6978 caller.
6979 (Output_data_group::do_write): Change input_sections_ to
6980 input_shndxes_.
6981 * output.h (class Output_data_group): Update constructor
6982 declaration. Rename input_sections_ to input_shndxes_.
6983 * testsuite/many_sections_test.cc: Add template.
6984
e94cf127
CC		 69852008-04-30 Cary Coutant <ccoutant@google.com>
6986
4418b2d5
CC		 6987 * target-reloc.h (relocate_section): Fix dead-pointer bug.
6988
e94cf127
CC		 6989 * layout.cc (Layout::include_section): Refactored check for debug
6990 info section.
6991 (Layout::add_comdat): Add new parameters. Change type
6992 of signature parameter. Add object and shndx to signatures table.
6993 (Layout::find_kept_object): New function.
6994 * layout.h: Include <cstring>.
6995 (Layout::is_debug_info_section): New function.
6996 (Layout::add_comdat): Add new parameters.
6997 (Layout::find_kept_object): New function.
6998 (Layout::Kept_section): New struct.
6999 (Layout::Signatures): Change type of map range.
7000 * object.cc (Relobj::output_section_address): New function.
7001 (Sized_relobj::include_section_group): Add new parameters. Change
7002 calls to Layout::add_comdat. Change to build table of kept comdat
7003 groups and table mapping discarded sections to kept sections.
7004 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
7005 (Sized_relobj::do_layout): Change calls to include_section_group and
7006 include_linkonce_section.
7007 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7008 value to zero when section is discarded.
7009 (Sized_relobj::map_to_kept_section): New function.
7010 * object.h (Relobj::output_section_address): New function.
7011 (Relobj::Comdat_group): New type.
7012 (Relobj::find_comdat_group): New function.
7013 (Relobj::Comdat_group_table): New type.
7014 (Relobj::Kept_comdat_section): New type.
7015 (Relobj::Kept_comdat_section_table): New type.
7016 (Relobj::add_comdat_group): New function.
7017 (Relobj::set_kept_comdat_section): New function.
7018 (Relobj::get_kept_comdat_section): New function.
7019 (Relobj::comdat_groups_): New field.
7020 (Relobj::kept_comdat_sections_): New field.
7021 (Symbol_value::input_value): Update comment.
7022 (Sized_relobj::map_to_kept_section) New function.
7023 (Sized_relobj::include_linkonce_section): Add new parameter.
7024 * target-reloc.h (Comdat_behavior): New type.
7025 (get_comdat_behavior): New function.
7026 (relocate_section): Add code to map a discarded section to the
7027 corresponding kept section when applying a relocation.
7028
e4e5049b
CS		 70292008-04-30 Craig Silverstein <csilvers@google.com>
7030
7031 * dwarf_reader.cc (next_generation_count): New static var.
7032 (Addr2line_cache_entry): New struct.
7033 (addr2line_cache): New static var.
7034 (Dwarf_line_info::one_addr2line): Added caching.
7035 (Dwarf_line_info::clear_addr2line_cache): New function.
7036 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7037 cache-size parameter.
7038 (Dwarf_line_info::one_addr2line_cache): New function.
7039 * symtab.cc (Symbol_table::detect_odr_violations): Pass
7040 new cache-size argument to one_addr2line(), and clear cache.
7041
d09e9154
CC		 70422008-04-28 Cary Coutant <ccoutant@google.com>
7043
7044 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7045 R_386_PC8 relocations.
7046
7ef73768
ILT		 70472008-04-23 Ian Lance Taylor <iant@google.com>
7048
55438702
ILT		 7049 * object.cc (Sized_relobj::include_section_group): Check for
7050 invalid section group.
7051
c165fb93
ILT		 7052 * object.cc (make_elf_object): Correct test for 64-bit ELF file
7053 header size.
7054
7ef73768
ILT		 7055 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7056 than read for file header.
7057 * archive.cc (Archive::include_member): Likewise.
7058
6194aaab
L		 70592008-04-23 Paolo Bonzini <bonzini@gnu.org>
7060
7061 * aclocal.m4: Regenerate.
7062 * configure: Regenerate.
7063
d491d34e
ILT		 70642008-04-19 Ian Lance Taylor <iant@google.com>
7065
5ea2bac6
ILT		 7066 * version.cc (version_string): Bump to 1.6.
7067
7bc3e21a
ILT		 7068 * testsuite/Makefile.am (many_sections_r_test): New target.
7069 (many_sections_r_test_SOURCES): Remove.
7070 (many_sections_r_test_DEPENDENCIES): Remove.
7071 (many_sections_r_test_LDFLAGS): Remove.
7072 (many_sections_r_test_LDADD): Remove.
7073
7fcd3aa9
ILT		 7074 * object.cc (Sized_relobj::do_add_symbols): Always pass
7075 local_symbol_count_ to add_from_relobj.
7076
4c94d6ae
ILT		 7077 * testsuite/Makefile.am (many_sections_check.h): Only check one in
7078 every thousand variables.
7079 * testsuite/Makefile.in: Rebuild.
7080
d491d34e
ILT		 7081 * object.cc (Xindex::initialize_symtab_xindex): New function.
7082 (Xindex::read_symtab_xindex): New function.
7083 (Xindex::sym_xindex_to_shndx): New function.
7084 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7085 available.
7086 (Sized_relobj::do_initialize_xindex): New function.
7087 (Sized_relobj::do_read_symbols): Adjust section links.
7088 (Sized_relobj::symbol_section_and_value): Add is_ordinary
7089 parameter. Change all callers.
7090 (Sized_relobj::include_section_group): Adjust section links and
7091 symbol section indexes.
7092 (Sized_relobj::do_layout): Adjust section links.
7093 (Sized_relobj::do_count_local_symbols): Adjust section links and
7094 symbol section indexes.
7095 (Sized_relobj::do_finalize_local_symbols): Distinguish between
7096 ordinary and special symbols.
7097 (Sized_relobj::write_local_symbols): Add symtab_xindex and
7098 dynsym_xindex parameters. Change all callers. Adjust section
7099 links. Use SHN_XINDEX when needed.
7100 (Sized_relobj::get_symbol_location_info): Adjust section links.
7101 Don't get fooled by special symbols.
7102 * object.h (class Xindex): Define.
7103 (class Object): Add xindex_ parameter. Declare virtual functoin
7104 do_initialize_xindex.
7105 (Object::adjust_sym_shndx): New function.
7106 (Object::set_xindex): New protected function.
7107 (class Symbol_value): Add is_ordinary_shndx_ field.
7108 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7109 (Symbol_value::value): Assert ordinary section.
7110 (Symbol_value::initialize_input_to_output_map): Likewise.
7111 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7112 Change all callers.
7113 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
7114 all callers.
7115 (class Sized_relobj): Update declarations.
7116 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7117 parameter. Change all callers.
7118 (Sized_relobj::adjust_shndx): New function.
7119 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7120 field.
7121 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7122 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
7123 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
7124 (Sized_dynobj::read_dynsym_section): Adjust section links.
7125 (Sized_dynobj::read_dynamic): Likewise.
7126 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
7127 section links.
7128 (Sized_dynobj::do_initialize_xindex): New function.
7129 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
7130 do_initialize_xindex.
7131 (Sized_dynobj::adjust_shndx): New function.
7132 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
7133 dynsym_xindex_ fields.
7134 (Layout::finalize): Add a call to set_section_indexes before
7135 creating the symtab sections.
7136 (Layout::set_section_indexes): Don't do anything if the section
7137 already has a section index.
7138 (Layout::create_symtab_sections): Add shnum parameter. Change
7139 caller. Create .symtab_shndx section if needed.
7140 (Layout::create_shdrs): Add shstrtab_section parameter. Change
7141 caller.
7142 (Layout::allocated_output_section_count): New function.
7143 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
7144 needed.
7145 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
7146 fields. Update declarations.
7147 (Layout::symtab_xindex): New function.
7148 (Layout::dynsym_xindex): New function.
7149 (class Write_symbols_task): Add layout_ field.
7150 (Write_symbols_task::Write_symbols_task): Add layout parameter.
7151 Change caller.
7152 * output.cc (Output_section_headers::Output_section_headers): Add
7153 shstrtab_section parameter. Change all callers.
7154 (Output_section_headers::do_sized_write): Store overflow values
7155 for section count and section string table section index in
7156 section header zero.
7157 (Output_file_header::do_sized_write): Check for overflow of
7158 section count and section string table section index.
7159 (Output_symtab_xindex::do_write): New function.
7160 (Output_symtab_xindex::endian_do_write): New function.
7161 * output.h (class Output_section_headers): Add shstrtab_section_.
7162 Update declarations.
7163 (class Output_symtab_xindex): Define.
7164 (Output_section::has_out_shndx): New function.
7165 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
7166 field.
7167 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
7168 Change all callers.
7169 (Sized_symbol::init): Likewise.
7170 (Symbol::output_section): Check for ordinary symbol.
7171 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
7172 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
7173 callers.
7174 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
7175 Change all callers. Simplify handling of symbols from sections
7176 not included in the link.
7177 (Symbol_table::add_from_dynobj): Handle ordinary symbol
7178 distinction.
7179 (Weak_alias_sorter::operator()): Assert that symbols are
7180 ordinary.
7181 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
7182 distinction.
7183 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
7184 parameters. Change all callers.
7185 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
7186 symbol distinction. Use SHN_XINDEX when needed.
7187 (Symbol_table::write_section_symbol): Add symtab_xindex
7188 parameter. Change all callers.
7189 (Symbol_table::sized_write_section_symbol): Likewise. Use
7190 SHN_XINDEX when needed.
7191 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
7192 declarations.
7193 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
7194 (Symbol::is_defined): Check is_ordinary.
7195 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
7196 (Symbol::is_absolute, Symbol::is_common): Likewise.
7197 (class Sized_symbol): Update declarations.
7198 (class Symbol_table): Update declarations.
7199 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
7200 parameters. Change all callers.
7201 (Sized_symbol::override): Likewise.
7202 (Symbol_table::override): Likewise.
7203 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
7204 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
7205 is_ordinary, and orig_st_shndx parameters. Change all callers.
7206 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
7207 to be in an ordinary section.
7208 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
7209 object and is_ordinary parameters. Change all callers.
7210 (Sized_dwarf_line_info::read_relocs): Add object parameter.
7211 Change all callers. Don't add undefined or non-ordinary symbols
7212 to reloc_map_.
7213 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
7214 Change all callers.
7215 * dwarf_reader.h (class Sized_dwarf_line_info): Update
7216 declarations.
7217 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
7218 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
7219 (Sized_relobj::relocate_sections): Likewise.
7220 * target-reloc.h (scan_relocs): Adjust section symbol index.
7221 (scan_relocatable_relocs): Likewise.
7222 * i386.cc (Scan::local): Check for ordinary symbols.
7223 * sparc.cc (Scan::local): Likewise.
7224 * x86_64.cc (Scan::local): Likewise.
7225 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
7226 to symbol_section_and_value.
7227 * testsuite/many_sections_test.cc: New file.
7228 * testsuite/Makefile.am (BUILT_SOURCES): Define.
7229 (check_PROGRAMS): Add many_sections_test.
7230 (many_sections_test_SOURCES): Define.
7231 (many_sections_test_DEPENDENCIES): Define.
7232 (many_sections_test_LDFLAGS): Define.
7233 (BUILT_SOURCES): Add many_sections_define.h.
7234 (many_sections_define.h): New target.
7235 (BUILT_SOURCES): Add many_sections_check.h.
7236 (many_sections_check.h): New target.
7237 (check_PROGRAMS): Add many_sections_r_test.
7238 (many_sections_r_test_SOURCES): Define.
7239 (many_sections_r_test_DEPENDENCIES): Define.
7240 (many_sections_r_test_LDFLAGS): Define.
7241 (many_sections_r_test_LDADD): Define.
7242 (many_sections_r_test.o): New target.
7243 * testsuite/Makefile.in: Rebuild.
7244
c5818ff1
CC		 72452008-04-17 Cary Coutant <ccoutant@google.com>
7246
7247 * errors.cc (Errors::info): New function.
7248 (gold_info): New function.
7249 * errors.h (Errors::info): New function.
7250 * gold.h (gold_info): New function.
7251 * object.cc (Input_objects::add_object): Print trace output.
7252 * options.cc (options::parse_set): New function.
7253 (General_options::parse_wrap): Deleted.
7254 (General_options::General_options): Deleted initializer.
7255 * options.h (options::String_set): New typedef.
7256 (options::parse_set): New function.
7257 (DEFINE_set): New macro.
7258 (General_options::wrap): Changed to use DEFINE_set. Changed
7259 callers of any_wrap_symbols and is_wrap_symbol.
7260 (General_options::trace, General_options::trace_symbol):
7261 New options.
7262 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
7263 (General_options::wrap_symbols_): Deleted.
7264 * symtab.cc (Symbol_table::add_from_object): Print trace output.
7265
b5be4a7c
DM		 72662008-04-17 David S. Miller <davem@davemloft.net>
7267
7268 * options.cc (General_options::parse_V): New function.
7269 * options.h: Add entries for -V and -Qy.
7270
155a0dd7
ILT		 72712008-04-17 Ian Lance Taylor <iant@google.com>
7272
7273 * common.cc (Symbol_table::allocate_commons): Remove options
7274 parameter. Change caller.
7275 (Symbol_table::do_allocate_commons): Remove options parameter.
7276 Change caller. Just call do_allocate_commons_list twice.
7277 (Symbol_table::do_allocate_commons_list): New function, broken out
7278 of do_allocate_commons.
7279 * common.h (class Allocate_commons_task): Remove options_ field.
7280 Update constructor.
7281 * symtab.cc (Symbol_table::Symbol_table): Initialize
7282 tls_commons_.
7283 (Symbol_table::add_from_object): Put TLS common symbols on
7284 tls_commons_ list.
7285 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
7286 which are IN_OUTPUT_DATA.
7287 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
7288 allocate_commons and do_allocate_commons declarations. Declare
7289 do_allocate_commons_list.
7290 * gold.cc (queue_middle_tasks): Update creation of
7291 Allocate_commons_task to not pass options.
7292 * testsuite/Makefile.am (INCLUDES): Add -I.. .
7293 (TLS_TEST_C_FLAGS): New variable.
7294 (tls_test_c_pic.o): New target.
7295 (tls_test_shared.so): Link in tls_test_c_pic.o.
7296 (tls_test_c_pic_ie.o): New target.
7297 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
7298 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
7299 (tls_test_c.o): New target.
7300 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
7301 (tls_pic_test_LDADD): Likewise.
7302 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
7303 (tls_shared_gd_to_ie_test_LDADD): Likewise.
7304 (tls_test_c_gnu2.o): New target.
7305 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
7306 tls_test_c_gnu2.o.
7307 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
7308 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
7309 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
7310 * testsuite/tls_test.cc: Include "config.h".
7311 (t_last): Call t11_last.
7312 * testsuite/tls_test.h (t11, t11_last): Declare.
7313 * testsuite/tls_test_c.c: New file.
7314 * testsuite/tls_test_main.cc (thread_routine): Call t11.
7315 * configure.ac: Check for OpenMP support.
7316 * configure, config.in, Makefile.in: Rebuild.
7317 * testsuite/Makefile.in: Rebuild.
7318
edfbb029
CC		 73192008-04-16 Cary Coutant <ccoutant@google.com>
7320
7321 * i386.cc (Target_i386::define_tls_base_symbol): New function.
7322 (Target_i386::tls_base_symbol_defined_): New field.
7323 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7324 (Target_i386::Scan::global): Likewise.
7325 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
7326 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
7327 (Target_x86_64::tls_base_symbol_defined_): New field.
7328 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
7329 (Target_x86_64::Scan::global): Likewise.
7330
f3c69fca
CC		 73312008-04-16 Cary Coutant <ccoutant@google.com>
7332
7333 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
7334 (Symbol::needs_plt_entry): Allow weak undefined symbols.
7335 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
7336 building shared libraries.
7337 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
7338 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
7339 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
7340 * testsuite/Makefile.in: Rebuild.
7341 * testsuite/weak_undef.h: New file.
7342 * testsuite/weak_undef_file1.cc: Add extra test cases.
7343 * testsuite/weak_undef_file2.cc: Likewise.
7344 * testsuite/weak_undef_test.cc: Likewise.
7345
7c414435
DM		 73462008-04-16 David S. Miller <davem@davemloft.net>
7347
32b769e1
DM		 7348 * sparc.cc (Target_sparc::Scan): Change from struct to class.
7349 Add issued_non_pic_error_ field. Declare check_non_pic.
7350 (Target_sparc::Scan::check_non_pic): New function.
7351 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
7352 (Target_sparc::Scan::global): Likewise.
7353
11936fb1
DM		 7354 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
7355 * configure: Rebuild.
7356
7c414435
DM		 7357 * options.h (DEFINE_enable): New macro.
7358 (new_dtags): New enable option.
7359 (initfirst, interpose, loadfltr, nodefaultlib,
7360 nodelete, nodlopen, nodump): New -z options.
7361 * layout.cc (Layout:finish_dynamic_section): If new
7362 dtags enabled, emit DT_RUNPATH. Also, emit a
7363 DT_FLAGS_1 containing any specified -z flags.
7364
85c7bf8b
ILT		 73652008-04-16 Ian Lance Taylor <iant@google.com>
7366
12c0daef
ILT		 7367 * copy-relocs.cc: New file.
7368 * copy-relocs.h: New file.
7369 * reloc.cc: Remove Copy_relocs code.
7370 * reloc.h: Likewise.
7371 * reloc-types.h (struct Reloc_types) [both versions]: Add
7372 get_reloc_addend_noerror.
7373 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
7374 variants of add_global which take an addend which must be zero.
7375 * i386.cc: Include "copy-relocs.h".
7376 (class Target_i386): Change type of copy_relocs_ to variable,
7377 update initializer.
7378 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
7379 Change all callers.
7380 (Target_i386::do_finalize_sections): Change handling of
7381 copy_relocs_.
7382 * sparc.cc: Include "copy-relocs.h".
7383 (class Target_sparc): Change type of copy_relocs_ to variable,
7384 update initializer.
7385 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
7386 Change all callers.
7387 (Target_sparc::do_finalize_sections): Change handling of
7388 copy_relocs_.
7389 * x86_64.cc: Include "copy-relocs.h".
7390 (class Target_x86_64): Change type of copy_relocs_ to variable,
7391 update initializer.
7392 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
7393 class. Change all callers.
7394 (Target_x86_64::do_finalize_sections): Change handling of
7395 copy_relocs_.
7396 * Makefile.am (CCFILES): Add copy-relocs.cc.
7397 (HFILES): Add copy-relocs.h.
7398
4f4995b6
ILT		 7399 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
7400
85c7bf8b
ILT		 7401 * testsuite/script_test_4.sh: Permit leading zeroes.
7402
4f2a9edd
ILT		 74032008-04-15 Ian Lance Taylor <iant@google.com>
7404
e6188289
ILT		 7405 * script-sections.cc (Script_sections::create_segments): Use
7406 header_size_adjustment even when there is enough room for the
7407 headers.
7408 * testsuite/script_test_4.sh: New file.
7409 * testsuite/script_test_4.t: New file.
7410 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
7411 (check_DATA): Add script_test_4.stdout.
7412 (MOSTLYCLEANFILES): Likewise.
7413 (script_test_4): New target.
7414 (script_test_4.stdout): New target.
7415 * testsuite/Makefile.in: Rebuild.
7416
4f2a9edd
ILT		 7417 * sparc.cc: Add definitions for Output_data_plt_sparc class
7418 constants.
7419
f5314dd5
DM		 74202008-04-14 David S. Miller <davem@davemloft.net>
7421
7422 * sparc.cc: New file.
7423 * Makefile.am (TARGETSOURCES): Add sparc.cc
7424 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
7425 * configure.tgt: Document targ_extra_size and
7426 targ_extra_big_endian. Add entries for sparc-* and
7427 sparc64-*.
7428 * configure.ac: Handle targ_extra_size and
7429 targ_extra_big_endian.
7430 * Makefile.in: Rebuild.
7431 * configure: Likewise.
7432 * po/POTFILES.in: Likewise.
7433 * po/gold.pot: Likewise.
7434
154e0e9a
ILT		 74352008-04-14 Ian Lance Taylor <iant@google.com>
7436
7437 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
7438 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
7439 in the name/type/flags to section mapping. Don't call
7440 allocate_output_section.
7441 (Layout::choose_output_section): Change parameter from adjust_name
7442 to is_input_section. Don't permit input sections after sections
7443 are attached to segments. Don't call allocate_output_section.
7444 (Layout::layout_eh_frame): Call update_flags_for_input_section,
7445 not write_enable_output_section.
7446 (Layout::make_output_section): Don't push to
7447 unattached_section_list_ nor call attach_to_segment. Call
7448 attach_section_to_segment if sections are attached.
7449 (Layout::attach_sections_to_segments): New function.
7450 (Layout::attach_section_to_segment): New function.
7451 (Layout::attach_allocated_section_to_segment): Rename from
7452 attach_to_segment. Remove flags parameter.
7453 (Layout::allocate_output_section): Remove function.
7454 (Layout::write_enable_output_section): Remove function.
7455 * layout.h (class Layout): Update for above changes. Add new
7456 field sections_are_attached_.
7457 * output.h (Output_section::update_flags_for_input_section): New
7458 function.
7459 * output.cc (Output_section::add_input_section): Call
7460 update_flags_for_input_section.
7461 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
7462
009a67a2
CC		 74632008-04-11 Cary Coutant <ccoutant@google.com>
7464
7465 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
7466 thought unnecessary.
7467 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
7468
759b1a24
ILT		 74692008-04-11 Ian Lance Taylor <iant@google.com>
7470
7471 * output.h (class Output_section_data): Remove inline definition
7472 of set_addralign.
7473 * output.cc (Output_section_data::set_addralign): New function.
7474
c2b45e22
CC		 74752008-04-11 Cary Coutant <ccoutant@google.com>
7476
7477 Add support for TLS descriptors for i386 and x86_64.
7478 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
7479 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
7480 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
7481 GOT_TYPE_TLS_DESC.
7482 (Target_i386::got_mod_index_entry): Remove unnecessary code.
7483 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
7484 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
7485 relocations.
7486 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
7487 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
7488 Fix problem with initial-exec relocations.
7489 (Target_i386::Relocate::relocate_tls): Likewise.
7490 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
7491 relaxation.
7492 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
7493 support for section-plus-offset dynamic table entries.
7494 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
7495 (Output_data_dynamic::Dynamic_entry): Add support for
7496 section-plus-offset dynamic table entries.
7497 (Output_data_dynamic::Classification): Likewise.
7498 (Output_data_dynamic::classification_): Renamed offset_.
7499 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
7500 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
7501 (Target_x86_64::make_plt_section): New function.
7502 (Target_x86_64::reserve_tlsdesc_entries): New function.
7503 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
7504 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
7505 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
7506 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
7507 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
7508 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
7509 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
7510 add extra PLT entry for TLS descriptors.
7511 (Output_data_plt_x86_64::got_): New field.
7512 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
7513 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
7514 fields.
7515 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
7516 descriptors.
7517 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
7518 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
7519 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
7520 R_386_TLS_DESC_CALL relocations.
7521 (Target_x86_64::Scan::global): Likewise.
7522 (Target_x86_64::do_finalize_sections): Add dynamic table entries
7523 for TLS descriptors.
7524 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
7525 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
7526 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
7527 GD-to-IE relaxation.
7528 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
7529 and TLS_DESCRIPTORS.
7530 * Makefile.in: Rebuild.
7531 * configure: Rebuild.
7532 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
7533 (tls_test_shared2.so): New target.
7534 (tls_shared_gd_to_ie_test_SOURCES): New variable.
7535 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
7536 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
7537 (tls_shared_gd_to_ie_test_LDADD): New variable.
7538 (tls_shared_gnu2_gd_to_ie_test): New target.
7539 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
7540 New targets.
7541 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
7542 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
7543 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
7544 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
7545 (tls_shared_gnu2_test): New target.
7546 (tls_test_gnu2_shared.so): New target.
7547 (tls_shared_gnu2_test_SOURCES): New variable.
7548 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
7549 (tls_shared_gnu2_test_LDFLAGS): New variable.
7550 (tls_shared_gnu2_test_LDADD): New variable.
7551 * testsuite/Makefile.in: Rebuild.
7552 * testsuite/Makefile.
7553
83bfb6b7
ILT		 75542008-04-11 Ian Lance Taylor <iant@google.com>
7555
7556 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
7557 justsyms.t.
7558 * testsuite/Makefile.in: Rebuild.
7559
7560 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
7561 long.
7562 * testsuite/script_test_2.cc (main): Adjust test.
7563
706e1f5e
ILT		 75642008-04-11 David S. Miller <davem@davemloft.net>
7565 Ian Lance Taylor <iant@google.com>
7566
7567 * options.h (General_options): Add entries for '-Y' and
7568 '-relax'.
7569 * options.cc (General_options:finalize): If -Y was used, add those
7570 entries to the library path instead of the default "/lib" and
7571 "/usr/lib".
7572
7c98e6bb
DM		 75732008-04-11 David S. Miller <davem@davemloft.net>
7574
7575 * testsuite/justsyms.t: Start at 0x100.
7576 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 7577 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
7578 long.
7579 * testsuite/script_test_2.cc: Adjust string and section length
7580 checks.
7c98e6bb 7581
99a37bfd
ILT		 75822008-04-09 Ian Lance Taylor <iant@google.com>
7583
2cefc357
ILT		 7584 PR gold/5996
7585 * script-sections.cc (Sections_element::allocate_to_segment): Add
7586 orphan parameter.
7587 (Output_section_definition::allocate_to_segment): Likewise.
7588 (Orphan_output_section::allocate_to_segment): Likewise.
7589 (Script_sections::attach_sections_using_phdrs_clause): Don't
7590 propagate non-PT_LOAD segments to orphan sections.
7591 * testsuite/Makefile.am (script_test_3.stdout): Generate using
7592 readelf rather than objdump.
7593 * testsuite/script_test_3.sh: Adjust accordingly. Test that
7594 .interp section and PT_INTERP segment are the same size.
7595 * testsuite/Makefile.in: Rebuild.
7596
99a37bfd
ILT		 7597 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
7598 aliases for symbols defined in the same object.
7599 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
7600 (weak_alias_test_SOURCES): New variable.
7601 (weak_alias_test_DEPENDENCIES): New variable.
7602 (weak_alias_test_LDFLAGS): New variable.
7603 (weak_alias_test_LDADD): New variable.
7604 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
7605 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
7606 (weak_alias_test_3.o): New target.
7607 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
7608 * testsuite/weak_alias_test_main.cc: New file.
7609 * testsuite/weak_alias_test_1.cc: New file.
7610 * testsuite/weak_alias_test_2.cc: New file.
7611 * testsuite/weak_alias_test_3.cc: New file.
7612
780e49c5
ILT		 76132008-04-08 Ian Lance Taylor <iant@google.com>
7614
cdb0b8f5
ILT		 7615 * options.h (class General_options): Add --noinhibit-exec option.
7616 * main.cc (main): Check --noinhibit-exec.
7617
0864d551
ILT		 7618 * options.h (class General_options): Define --wrap as a special
7619 option. Add wrap_symbols_ field.
7620 (General_options::any_wrap_symbols): New function.
7621 (General_options::is_wrap_symbol): New function.
7622 * options.cc (General_options::parse_wrap): New function.
7623 (General_options::General_options): Initialize wrap_symbols_.
7624 * symtab.cc (Symbol_table::wrap_symbol): New function.
7625 (Symbol_table::add_from_object): Handle --wrap.
7626 * symtab.h (class Symbol_table): Declare wrap_symbol.
7627 * target.h (Target::wrap_char): New function.
7628 (Target::Target_info): Add wrap_char field.
7629 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
7630 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
7631 * testsuite/testfile.cc (Target_test::test_target_info):
7632 Likewise.
7633
789aa6de
ILT		 7634 * errors.cc (Errors::undefined_symbol): Mention symbol version if
7635 there is one.
7636
2c38906f
ILT		 7637 * layout.h (class Layout): Add added_eh_frame_data_ field.
7638 * layout.cc (Layout::Layout): Initialize new field.
7639 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
7640 output section until we find a section we merged successfully.
7641 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
7642 that the size be non-zero.
7643
780e49c5
ILT		 7644 * merge.cc (Object_merge_map::get_output_offset): Remove inline
7645 qualifier.
7646
7fcd0256
ILT		 76472008-04-08 Craig Silverstein <csilvers@google.com>
7648
7649 * configure.ac: Export new conditional variable HAVE_ZLIB.
7650 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
7651 on HAVE_ZLIB.
7652 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
7653 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7654
6835af53
ILT		 76552008-04-07 Ian Lance Taylor <iant@google.com>
7656
e24f324c
ILT		 7657 * version.cc (version_string): Set to "1.5".
7658
a036edd8
ILT		 7659 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
7660 Add issued_non_pic_error_ field. Declare check_non_pic.
7661 (Target_x86_64::Scan::check_non_pic): New function.
7662 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
7663 (Target_x86_64::Scan::global): Likewise.
7664
624f8810
ILT		 7665 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
7666 addend parameter. Change caller. Handle merge sections.
7667 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
7668 Address to Addend. Don't add in the result of
7669 local_section_offset, pass down the addend and use the returned
7670 value.
7671 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
7672 Update declarations of local_section_offset and symbol_value.
7673 * testsuite/two_file_test_1.cc (t18): New function.
7674 * testsuite/two_file_test_2.cc (f18): New function.
7675 * testsuite/two_file_test_main.cc (main): Call t18.
7676 * testsuite/two_file_test.h (t18, f18): Declare.
7677
6835af53
ILT		 7678 * configure.ac: Don't test for objdump, c++filt, or readelf.
7679 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
7680 conditionals.
7681 (TEST_READELF): New variable.
7682 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
7683 (check_PROGRAMS): Add two_file_strip_test.
7684 (two_file_strip_test): New target.
7685 (check_PROGRAMS): Add two_file_same_shared_strip_test.
7686 (two_file_same_shared_strip_test_SOURCES): New variable.
7687 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
7688 (two_file_same_shared_strip_test_LDFLAGS): New variable.
7689 (two_file_same_shared_strip_test_LDADD): New variable.
7690 (two_file_shared_strip.so): New target.
7691 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
7692 (ver_test_5.syms, ver_test_7.syms): Likewise.
7693 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
7694 (strip_test_3.stdout): Use TEST_OBJDUMP.
7695 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7696
86925eef
CC		 76972008-04-04 Cary Coutant <ccoutant@google.com>
7698
7699 * symtab.h (Symbol::is_weak_undefined): New function.
7700 (Symbol::is_strong_undefined): New function.
7701 (Symbol::is_absolute): New function.
7702 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
7703 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
7704 absolute symbols.
7705 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
7706 (weak_undef_test): New target.
7707 * testsuite/Makefile.in: Rebuild.
7708 * testsuite/weak_undef_file1.cc: New file.
7709 * testsuite/weak_undef_file2.cc: New file.
7710 * testsuite/weak_undef_test.cc: New file.
7711
126f3ece
ILT		 77122008-04-03 Craig Silverstein <csilvers@google.com>
7713
7714 * compressed_output.h (class Output_compressed_section): Use
7715 unsigned buffer.
7716 * compressed_output.cc (zlib_compress): Use unsigned buffers,
7717 add zlib header.
7718 (zlib_compressed_suffix): Removed.
7719 (Output_compressed_section::set_final_data_size): Use unsigned
7720 buffers.
7721 * testsuite/Makefile.am (flagstest_compress_debug_sections):
7722 Fix linker invocation.
7723 (flagstest_o_specialfile_and_compress_debug_sections):
7724 Likewise.
7725 * testsuite/Makefile.in: Regenerated.
7726
deae2a14
DM		 77272008-04-02 David S. Miller <davem@davemloft.net>
7728
7729 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
7730 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
7731
70752818
ILT		 77322008-04-02 Craig Silverstein <csilvers@google.com>
7733
7734 * TODO: New file.
7735
39d0cb0e
ILT		 77362008-04-02 Ian Lance Taylor <iant@google.com>
7737
7738 * fileread.cc (File_read::find_view): Add byteshift and vshifted
7739 parameters. Update for new key type to views_. Change all
7740 callers.
7741 (File_read::read): Adjust for byteshift in returned view.
7742 (File_read::add_view): New function, broken out of
7743 find_and_make_view.
7744 (File_read::make_view): New function, broken out of
7745 find_and_make_view.
7746 (File_read::find_or_make_view): Add offset and aligned
7747 parameters. Rewrite accordingly. Change all callers.
7748 (File_read::get_view): Add offset and aligned parameters. Adjust
7749 for byteshift in return value.
7750 (File_read::get_lasting_view): Likewise.
7751 * fileread.h (class File_read): Update declarations.
7752 (class File_read::View): Add byteshift_ field. Add byteshift to
7753 constructor. Add byteshift method.
7754 * archive.h (Archive::clear_uncached_views): New function.
7755 (Archive::get_view): Add aligned parameter. Change all callers.
7756 * object.h (Object::get_view): Add aligned parameter. Change all
7757 callers.
7758 (Object::get_lasting_view): Likewise.
7759
7760 * fileread.cc (File_read::release): Don't call clear_views if
7761 there are multiple objects.
7762 * fileread.h (File_read::clear_uncached_views): New function.
7763 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
7764 on the archive.
7765
a1207466
CC		 77662008-03-31 Cary Coutant <ccoutant@google.com>
7767
7768 Add thin archive support.
7769 * archive.cc (Archive::armagt): New const.
7770 (Archive::setup): Remove task parameter and calls to unlock.
7771 (Archive::unlock_nested_archives): New function.
7772 (Archive::read_header): Add nested_off parameter. Change
7773 all callers.
7774 (Archive::interpret_header): Likewise.
7775 (Archive::include_all_members): Change to handle thin
7776 archives.
7777 (Archive::include_member): Likewise.
7778 * archive.h (Archive::Archive): Add new parameters and
7779 initializers.
7780 (Archive::armagt): New const.
7781 (Archive::setup): Remove task parameter.
7782 (Archive::unlock_nested_archives): New function.
7783 (Archive::read_header): Add nested_off parameter.
7784 (Archive::interpret_header): Likewise.
7785 (Archive::Nested_archive_table): New typedef.
7786 (Archive::is_thin_archive_): New field.
7787 (Archive::nested_archives_): New field.
7788 (Archive::options_): New field.
7789 (Archive::dirpath_): New field.
7790 (Archive::task_): New field.
7791 * readsyms.cc (Read_symbols::do_read_symbols): Add check
7792 for thin archives. Pass additional parameters to
7793 Archive::Archive. Unlock the archive file after calling
7794 Archive::setup.
cd536b21 7795
479f6503
ILT		 77962008-03-29 Ian Lance Taylor <iant@google.com>
7797
686c8caf
ILT		 7798 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
7799 version symbol to be local.
7800 * testsuite/ver_test_4.sh: New file.
7801 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
7802 (check_DATA): Add ver_test_4.syms.
7803 (ver_test_4.syms): New target.
7804 * testsuite/Makefile.in: Rebuild.
7805
ab794b6b
ILT		 7806 * output.cc
7807 (Output_section::Input_section_sort_entry::has_priority): New
7808 function.
7809 (Output_section::Input_section_sort_entry::match_file_name): New
7810 function.
7811 (Output_section::Input_section_sort_entry::match_section_name):
7812 Remove.
7813 (Output_section::Input_section_sort_entry::match_section_name_prefix):
7814 Remove.
7815 (Output_section::Input_section_sort_entry::match_section_file):
7816 Remove.
7817 (Output_section::Input_section_sort_compare::operator()): Rewrite
7818 using new Input_section_sort_entry functions. Sort crtbegin and
7819 crtend first. Sort sections with no priority before sections with
7820 a priority.
7821 * testsuite/initpri1.c (d3): Check j != 4.
7822 (cd5): New constructor/destructor function.
7823 (main): Check j != 2.
7824
479f6503
ILT		 7825 * symtab.cc (Symbol_table::add_from_object): If we don't use the
7826 new symbol when resolving, don't call set_is_default.
7827 * testsuite/ver_test_7.cc: New file.
7828 * testsuite/ver_test_7.sh: New file.
7829 * testsuite/Makefile.am (ver_test_7.so): New target.
7830 (ver_test_7.o): New target.
7831 (check_SCRIPTS): Add ver_test_7.sh.
7832 (check_DATA): Add ver_test_7.syms.
7833 (ver_test_7.syms): New target.
7834
2fd32231
ILT		 78352008-03-28 Ian Lance Taylor <iant@google.com>
7836
7837 * layout.cc (Layout::layout): If we see an input section with a
7838 name that needs sorting, set the must_sort flag for the output
7839 section.
7840 (Layout::make_output_section): If the name of the output section
7841 indicates that it might require sorting, set the may_sort flag.
7842 * output.h (Output_section::may_sort_attached_input_sections): New
7843 function.
7844 (Output_section::set_may_sort_attached_input_sections): New
7845 function.
7846 (Output_section::must_sort_attached_input_sections): New
7847 function.
7848 (Output_section::set_must_sort_attached_input_sections): New
7849 function.
7850 (class Output_section): Declare Input_section_sort_entry. Define
7851 Input_section_sort_compare. Declare
7852 sort_attached_input_sections. Add new fields:
7853 may_sort_attached_input_sections_,
7854 must_sort_attached_input_sections_,
7855 attached_input_sections_are_sorted_.
7856 * output.cc (Output_section::Output_section): Initialize new
7857 fields.
7858 (Output_section::add_input_section): Add an entry to
7859 input_sections_ if may_sort or must_sort are true.
7860 (Output_section::set_final_data_size): Call
7861 sort_attached_input_sections if necessary.
7862 (Output_section::Input_section_sort_entry): Define new class.
7863 (Output_section::Input_section_sort_compare::operator()): New
7864 function.
7865 (Output_section::sort_attached_input_sections): New function.
7866 * configure.ac: Check whether the compiler supports constructor
7867 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
7868 * testsuite/initpri1.c: New file.
7869 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
7870 CONSTRUCTOR_PRIORITY.
7871 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
7872 (initpri1_LDFLAGS): New variable.
7873 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
7874
18e6b24e
ILT		 78752008-03-27 Ian Lance Taylor <iant@google.com>
7876
49bdd526
ILT		 7877 * common.cc (Sort_commons::operator): Correct sorting algorithm.
7878 * testsuite/common_test_1.c: New file.
7879 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
7880 (common_test_1_SOURCES): New variable.
7881 (common_test_1_DEPENDENCIES): New variable.
7882 (common_test_1_LDFLAGS): New variable.
7883
18e6b24e
ILT		 7884 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
7885 and commons_ correctly when NAME/VERSION does not override
7886 NAME/NULL.
7887 * testsuite/ver_test_6.c: New file.
7888 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
7889 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
7890 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
7891
04bf7072
ILT		 78922008-03-26 Ian Lance Taylor <iant@google.com>
7893
5871526f
ILT		 7894 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
7895 of an undefined symbol from a version script.
7896 * testsuite/Makefile.am (ver_test_5.so): New target.
7897 (ver_test_5.o): New target.
7898 (check_SCRIPTS): Add ver_test_5.sh.
7899 (check_DATA): Add ver_test_5.syms.
7900 (ver_test_5.syms): New target.
7901 * testsuite/ver_test_5.cc: New file.
7902 * testsuite/ver_test_5.script: New file.
7903 * testsuite/ver_test_5.sh: New file.
7904 * Makefile.in, testsuite/Makefile.in: Rebuild.
7905
04bf7072
ILT		 7906 PR gold/5986
7907 Fix problems building gold with gcc 4.3.0.
7908 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
7909 (gold_error_at_location, gold_warning_at_location): Use it.
7910 * configure.ac: Check whether we can compile and use a template
7911 function with a printf attribute.
7912 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
7913 when jumping over bytes.
7914 * object.cc: Instantiate Object::read_section_data.
7915 * debug.h: Include <cstring>
7916 * dwarf_reader.cc: Include <algorithm>
7917 * main.cc: Include <cstring>.
7918 * options.cc: Include <cstring>.
7919 * output.cc: Include <cstring>.
7920 * script.cc: Include <cstring>.
7921 * script.h: Include <string>.
7922 * symtab.cc: Include <cstring> and <algorithm>.
7923 * target-select.cc: Include <cstring>.
7924 * version.cc: Include <string>.
7925 * testsuite/testmain.cc: Include <cstdlib>.
7926 * configure, config.in: Rebuild.
7927
874c5b28
ILT		 79282008-03-25 Ian Lance Taylor <iant@google.com>
7929
819d6c3a
ILT		 7930 * options.cc: Include "../bfd/bfdver.h".
7931 (options::help): Print bug reporting address.
7932
f4b2c6f5
ILT		 7933 * version.cc (print_version): Adjust output for current value of
7934 BFD_VERSION_STRING.
7935
7936 * NEWS: New file.
7937
e96caa79
ILT		 7938 * options.cc (options::help): Print list of supported targets.
7939 * target-select.h: Include <vector>.
7940 (class Target_selector): Make machine_, size_, and is_big_endian_
7941 fields const. Add bfd_name_ and instantiated_target_ fields.
7942 (Target_selector::Target_selector): Add bfd_name parameter.
7943 (Target_selector::recognize): Make non-virtual, call
7944 do_recognize.
7945 (Target_selector::recognize_by_name): Make non-virtual, call
7946 do_recognize_by_name.
7947 (Target_selector::supported_names): New function.
7948 (Target_selector::bfd_name): New function.
7949 (Target_selector::do_instantiate_target): New pure virtual
7950 function.
7951 (Target_selector::do_recognize): New virtual function.
7952 (Target_selector::do_recognize_by_name): New virtual function.
7953 (Target_selector::instantiate_target): New private function.
7954 (supported_target_names): Declare.
7955 * target-select.cc (Target_selector::Target_selector): Update for
7956 new parameter and fields.
7957 (select_target_by_name): Check that the name matches before
7958 calling recognize_by_name.
7959 (supported_target_names): New function.
7960 * i386.cc (class Target_selector_i386): Update Target_selector
7961 constructor call. Remove recognize and recognize_by_name. Add
7962 do_instantiate_target.
7963 * x86_64.cc (class Target_selector_x86_64): Likewise.
7964 * testsuite/testfile.cc (class Target_selector_test): Update for
7965 changes to Target_selector.
7966
874c5b28
ILT		 7967 * README: Rewrite, with some notes on unsupported features.
7968
0a65a3a7
CC		 79692008-03-24 Cary Coutant <ccoutant@google.com>
7970
7971 * i386.cc (Target_i386::Got_type): New enum declaration.
7972 (Target_i386::Scan::local): Updated callers of Output_data_got
7973 member functions.
7974 (Target_i386::Scan::global): Likewise.
7975 (Target_i386::Relocate::relocate): Likewise.
7976 (Target_i386::Relocate::relocate_tls): Likewise.
7977 * object.h (Got_offset_list): New class.
7978 (Sized_relobj::local_has_got_offset): Added got_type parameter.
7979 (Sized_relobj::local_got_offset): Likewise.
7980 (Sized_relobj::set_local_got_offset): Likewise.
7981 (Sized_relobj::local_has_tls_got_offset): Removed.
7982 (Sized_relobj::local_tls_got_offset): Removed.
7983 (Sized_relobj::set_local_tls_got_offset): Removed.
7984 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7985 * output.cc (Output_data_got::add_global): Added got_type parameter.
7986 (Output_data_got::add_global_with_rel): Likewise.
7987 (Output_data_got::add_global_with_rela): Likewise.
7988 (Output_data_got::add_global_pair_with_rel): New function.
7989 (Output_data_got::add_global_pair_with_rela): New function.
7990 (Output_data_got::add_local): Added got_type parameter.
7991 (Output_data_got::add_local_with_rel): Likewise.
7992 (Output_data_got::add_local_with_rela): Likewise.
7993 (Output_data_got::add_local_pair_with_rel): New function.
7994 (Output_data_got::add_local_pair_with_rela): New function.
7995 (Output_data_got::add_global_tls): Removed.
7996 (Output_data_got::add_global_tls_with_rel): Removed.
7997 (Output_data_got::add_global_tls_with_rela): Removed.
7998 (Output_data_got::add_local_tls): Removed.
7999 (Output_data_got::add_local_tls_with_rel): Removed.
8000 (Output_data_got::add_local_tls_with_rela): Removed.
8001 * output.h (Output_data_got::add_global): Added got_type parameter.
8002 (Output_data_got::add_global_with_rel): Likewise.
8003 (Output_data_got::add_global_with_rela): Likewise.
8004 (Output_data_got::add_global_pair_with_rel): New function.
8005 (Output_data_got::add_global_pair_with_rela): New function.
8006 (Output_data_got::add_local): Added got_type parameter.
8007 (Output_data_got::add_local_with_rel): Likewise.
8008 (Output_data_got::add_local_with_rela): Likewise.
8009 (Output_data_got::add_local_pair_with_rel): New function.
8010 (Output_data_got::add_local_pair_with_rela): New function.
8011 (Output_data_got::add_global_tls): Removed.
8012 (Output_data_got::add_global_tls_with_rel): Removed.
8013 (Output_data_got::add_global_tls_with_rela): Removed.
8014 (Output_data_got::add_local_tls): Removed.
8015 (Output_data_got::add_local_tls_with_rel): Removed.
8016 (Output_data_got::add_local_tls_with_rela): Removed.
8017 * resolve.cc (Symbol::override_base_with_special): Removed
8018 reference to has_got_offset_ field.
8019 * symtab.cc (Symbol::init_fields): Replaced initialization
8020 of got_offset_ with got_offsets_. Removed initialization
8021 of has_got_offset_
53fcba31 8022 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 8023 (Symbol::got_offset): Likewise.
8024 (Symbol::set_got_offset): Likewise.
8025 (Symbol::has_tls_got_offset): Removed.
8026 (Symbol::tls_got_offset): Removed.
8027 (Symbol::set_tls_got_offset): Removed.
8028 (Symbol::got_offset_): Removed.
8029 (Symbol::tls_mod_got_offset_): Removed.
8030 (Symbol::tls_pair_got_offset_): Removed.
8031 (Symbol::got_offsets_): New field.
8032 (Symbol::has_got_offset): Removed.
8033 (Symbol::has_tls_mod_got_offset): Removed.
8034 (Symbol::has_tls_pair_got_offset): Removed.
8035 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8036 (Target_x86_64::Scan::local): Updated callers of Output_data_got
8037 member functions.
8038 (Target_x86_64::Scan::global): Likewise.
8039 (Target_x86_64::Relocate::relocate): Likewise.
8040 (Target_x86_64::Relocate::relocate_tls): Likewise.
8041
bd52eafb
BE		 80422008-03-25 Ben Elliston <bje@au.ibm.com>
8043
8044 * yyscript.y: Fix spelling error in comment.
8045
8b105e34
ILT		 80462008-03-24 Ian Lance Taylor <iant@google.com>
8047
8ed814a9
ILT		 8048 * options.h (class General_options): Define build_id option.
8049 * layout.h (class Layout): Declare write_build_id, create_note,
8050 create_build_id. Add build_id_note_ member.
8051 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8052 "libiberty.h", "md5.h", "sha1.h".
8053 (Layout::Layout): Initialize eh_frame_data_,
8054 eh_frame_hdr_section_, and build_id_note_.
8055 (Layout::finalize): Call create_build_id.
8056 (Layout::create_note): New function, broken out of
8057 Layout::create_gold_note.
8058 (Layout::create_gold_note): Call create_note.
8059 (Layout::create_build_id): New function.
8060 (Layout::write_build_id): New function.
8061 (Close_task_runner::run): Call write_build_id.
8062
8b105e34
ILT		 8063 * x86_64.cc: Correct license to GPLv3.
8064
086a1841
ILT		 80652008-03-23 Ian Lance Taylor <iant@google.com>
8066
8067 * options.cc: Include "demangle.h".
8068 (parse_optional_string): New function.
8069 (parse_long_option): Handle takes_optional_argument.
8070 (parse_short_option): Update dash_z initializer. Handle
8071 takes_optional_argument.
8072 (General_options::General_options): Initialize do_demangle_.
8073 (General_options::finalize): Set do_demangle_. Handle demangling
8074 style.
8075 * options.h (parse_optional_string): Declare.
8076 (struct One_option): Add optional_arg field. Update constructor.
8077 Update call constructor calls. Add takes_optional_argument
8078 function.
8079 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
8080 (DEFINE_optional_string): Define.
8081 (General_options::demangle): Change from DEFINE_bool to
8082 DEFINE_optional_string.
8083 (General_options::no_demangle): New function.
8084 (General_options::do_demangle): New function.
8085 (General_options::set_do_demangle): New function.
8086 (General_options::execstack_status_): Move definition to end of
8087 class definition.
8088 (General_options::static_): Likewise.
8089 (General_options::do_demangle_): New field.
8090 * object.cc (big_endian>::get_symbol_location_info): Call
8091 Options::do_demangle, not Options::demangle.
8092 * symtab.cc (demangle): Likewise.
8093
cbb93e63
ILT		 80942008-03-22 Ian Lance Taylor <iant@google.com>
8095
8096 * gold.h: Include <cstddef> and <sys/types.h>
8097 * options.h: Include <cstring>.
8098
ec531623
ILT		 80992008-03-21 Ian Lance Taylor <iant@google.com>
8100
8101 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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