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[deliverable/binutils-gdb.git] / gold / ChangeLog
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d675ff46
RÁE		 12009-12-17 Rafael Avila de Espindola <espindola@google.com>
2
3 * Makefile.am (CCFILES): Add timer.cc.
4 (HFILES): Add timer.h.
5 * configure.ac: Check for sysconf and times.
6 * main.cc: include timer.h.
7 (main): Use Timer instead of get_run_time.
8 * timer.cc: New.
9 * timer.h: New.
10 * workqueue.cc: include timer.h.
11 (Workqueue::find_and_run_task):
12 Report user, sys and wall time.
13 * Makefile.in: Regenerate.
14 * config.in: Regenerate.
15 * configure: Regenerate.
16
d6344fb5
DK		 172009-12-16 Doug Kwan <dougkwan@google.com>
18
19 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
20 sections.
21 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
22 relaxed input sections.
23 * output.cc (Output_section::find_relaxed_input_section): Change
24 return type to Output_relaxed_input_section pointer. Adjust code
25 for new type of relaxed_input_section_map_.
26 * output.h (Output_section::find_relaxed_input_section): Change
27 return type to Output_relaxed_input_section pointer.
28 (Output_section::Output_relaxed_input_section_by_input_section_map):
29 New type.
30 (Output_section::relaxed_input_section_map_): Change type to
31 Output_section::Output_relaxed_input_section_by_input_section_map.
32 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
33 input section.
34
0e0d5469
ILT		 352009-12-15 Ian Lance Taylor <iant@google.com>
36
37 * layout.cc (Layout::create_shstrtab): Only write out after input
38 sections if we are compressing debug sections.
39
0649a889
ILT		 402009-12-15 Ian Lance Taylor <iant@google.com>
41
42 * archive.cc (Archive::add_symbols): Only look up a symbol without
43 a version if there is, in fact, a version.
44
2ea97941
ILT		 452009-12-14 Ian Lance Taylor <iant@google.com>
46
47 Revert -Wshadow changes, all changes from:
48 2009-12-11 Doug Kwan <dougkwan@google.com>
49 2009-12-11 Nick Clifton <nickc@redhat.com>
50 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
51
b0eec2cc
DK		 522009-12-11 Doug Kwan <dougkwan@google.com>
53
54 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
55 due to -Wshadow.
56 * attributes.cc (Object_attribute::size): Ditto.
57 (Attributes_section_data::size): Ditto.
58 (Attributes_section_data::Attributes_section_data): Ditto.
59 (Output_attributes_section_data::do_write): Ditto.
60 * attributes.h (Object_attribute::set_type): Ditto.
61 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
62
91d6fa6a
NC		 632009-12-11 Nick Clifton <nickc@redhat.com>
64
65 * archive.cc: Fix shadowed variable warnings.
66 * arm.cc: Likewise.
67 * compressed_output.cc: Likewise.
68 * compressed_output.h: Likewise.
69 * configure: Likewise.
70 * dwarf_reader.cc: Likewise.
71 * dynobj.cc: Likewise.
72 * dynobj.h: Likewise.
73 * ehframe.cc: Likewise.
74 * ehframe.h: Likewise.
75 * errors.cc: Likewise.
76 * expression.cc: Likewise.
77 * fileread.cc: Likewise.
78 * fileread.h: Likewise.
79 * freebsd.h: Likewise.
80 * i386.cc: Likewise.
81 * icf.cc: Likewise.
82 * incremental.h: Likewise.
83 * layout.cc: Likewise.
84 * layout.h: Likewise.
85 * mapfile.cc: Likewise.
86 * merge.cc: Likewise.
87 * merge.h: Likewise.
88 * object.cc: Likewise.
89 * object.h: Likewise.
90 * options.h: Likewise.
91 * output.cc: Likewise.
92 * output.h: Likewise.
93 * parameters.cc: Likewise.
94 * plugin.cc: Likewise.
95 * powerpc.cc: Likewise.
96 * reduced_debug_output.cc: Likewise.
97 * reduced_debug_output.h: Likewise.
98 * reloc.cc: Likewise.
99 * reloc.h: Likewise.
100 * resolve.cc: Likewise.
101 * script-sections.cc: Likewise.
102 * script.cc: Likewise.
103 * script.h: Likewise.
104 * sparc.cc: Likewise.
105 * symtab.cc: Likewise.
106 * symtab.h: Likewise.
107 * target-select.cc: Likewise.
108 * target-select.h: Likewise.
109 * token.h: Likewise.
110 * workqueue.cc: Likewise.
111 * workqueue.h: Likewise.
112 * x86_64.cc: Likewise.
113
a0351a69
DK		 1142009-12-10 Doug Kwan <dougkwan@google.com>
115
116 * arm.cc (attributes.h): New include.
117 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
118 (Arm_relobj::~Arm_relobj): Delete object pointed by
119 attributes_section_data_.
120 (Arm_relobj::attributes_section_data): New method definition.
121 (Arm_relobj::attributes_section_data_): New data member declaration.
122 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
123 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
124 attributes_section_data_.
125 (Arm_dynobj::attributes_section_data): New method definition.
126 (Arm_dynobj::attributes_section_data_): New data member declaration.
127 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
128 initialization value of may_use_blx_ to false.
129 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
130 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
131 object attributes to compute results instead of hard-coding.
132 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
133 Target_arm::get_secondary_compatible_arch,
134 Target_arm::set_secondary_compatible_arch
135 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
136 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
137 New method declarations.
138 (Target_arm::get_aeabi_object_attribute): New method definition.
139 (Target_arm::attributes_section_data_): New data member declaration.
140 (read_arm_attributes_section): New template definition.
141 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
142 (Arm_dynobj::do_read_symbols): Ditto.
143 (Target_arm::do_finalize_sections): Merge attributes sections from
144 input. Check for BLX use after attributes section merging.
145 Fix __exidx_start and __exidx_end visibility. Create an
146 .ARM.attributes section if necessary.
147 (Target_arm::get_secondary_compatible_arch,
148 Target_arm::set_secondary_compatible_arch,
149 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
150 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
151 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
152 New method definitions.
153
b59befec
ILT		 1542009-12-09 Ian Lance Taylor <iant@google.com>
155
156 * plugin.cc (Plugin::load): Don't cast from void* to a function
157 pointer.
158
1276bc89
ILT		 1592009-12-09 Ian Lance Taylor <iant@google.com>
160
161 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
162 information fields.
163
2f2de248
L		 1642009-12-09 H.J. Lu <hongjiu.lu@intel.com>
165
166 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
167 Replace two_file_shared_1.so with two_file_shared_2.so.
168 * testsuite/Makefile.in: Regenerated.
169
4f787271
DK		 1702009-12-08 Doug Kwan <dougkwan@google.com>
171
172 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
173 (HFILES): Add attributes.h and int_encoding.h.
174 * Makefile.in: Regenerate.
175 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
176 function definitions to int_encoding.cc
177 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
178 prototypes to int_encoding.h
179 * reduced_debug_output.cc (int_encoding.h): New include.
180 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
181 function definitions to int_encoding.cc
182 (insert_into_vector, read_from_pointer): Move template definitions to
183 int_encoding.h
184 * attributes.cc: New file.
185 * attributes.h: New file.
186 * int_encoding.cc: New file.
187 * int_encoding.h: New file.
188
20b52f1a
RÁE		 1892009-12-07 Rafael Avila de Espindola <espindola@google.com>
190
191 PR gold/11055
192 * incremental-dump.cc (dump_incremental_inputs): New.
193 (main): Use dump_incremental_inputs.
194
53d7974c
L		 1952009-12-07 H.J. Lu <hongjiu.lu@intel.com>
196
197 PR gold/10893
198 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
199 checking elfcpp::STT_FUNC.
200 (Target_i386::Relocate::relocate): Likewise.
201 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
202
203 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
204 symbols from shared libraries into normal FUNC symbols.
205
206 * symtab.h (Symbol): Add is_func and use it.
207
05a352e6
DK		 2082009-12-05 Doug Kwan <dougkwan@google.com>
209
210 * arm.cc (Target_arm::arm_info): Initialize new fields
211 attributes_section and attributes_vendor.
212 * i386.cc (Target_i386::i386_info): Same.
213 * object.cc (Sized_relobj::do_layout): Skip attribute section.
214 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
215 fields attributes_section and attributes_vendor.
53d7974c 216 * sparc.cc (Target_sparc::sparc_info): Same.
05a352e6
DK		 217 * target.h (Target::attributes_section, Target::attributes_vendor,
218 Target::is_attributes_section, Target::attribute_arg_type,
219 Target::attributes_order): New method definitions.
220 (Target::Target_info::attributes_section,
221 Target::Target_info::attributes_vendor): New fields.
222 (Target::do_attribute_arg_type, Target::do_attributes_order): New
223 virtual method definitions.
224 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
225 attributes_section and attributes_vendor.
226 * testsuite/testfile.cc (Target_test::test_target_info): Same.
227
f4e5969c
DK		 2282009-12-05 Doug Kwan <dougkwan@google.com>
229
230 * arm.cc: Update comments about interworking and stub generation.
231 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
232 considered as non-PIC.
233 (Arm_relocate_functions::base_abs): Fix formatting.
234 (Arm_relocate_functions::got_prel): Fix comment. Change interface
235 of function to use GOT entry address instead of offset.
236 (Target_arm::Scan::global): Issue an error if a symbol would need a
237 PLT does not get one because it is untyped. Remove code to create
238 dynamic symbols for relative branches.
239 (Target_arm::Relocate::relocate: Use 0 instead of false since function
240 takes unsigned integer instead of boolean.
241
1abce4a6
L		 2422009-12-05 H.J. Lu <hongjiu.lu@intel.com>
243
244 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
245 (two_file_test_LDADD): Likewise.
246 (common_test_1_LDADD): Likewise.
247 (exception_test_LDADD) Likewise.
248 (weak_test_LDADD): Likewise.
249 (many_sections_test_LDADD): Likewise.
250 (initpri1_LDADD): Likewise.
251 (script_test_1_LDADD): Likewise.
252 (script_test_2_LDADD): Likewise.
253 (justsyms_LDADD): Likewise.
254 (binary_test_LDADD): Likewise.
255 (large_LDADD): Likewise.
256 * testsuite/Makefile.in: Regenerated.
257
adcf2816 2582009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1abce4a6 259
adcf2816
L		 260 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
261 (Symbol_table::override_with_special): Likewise.
262 (Symbol_table::add_from_object): Likewise.
263
28e67f5d
RÁE		 2642009-12-04 Rafael Avila de Espindola <espindola@google.com>
265
266 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
267 Don't set the data_offset twice.
268
ae10a101
RÁE		 2692009-12-04 Rafael Avila de Espindola <espindola@google.com>
270
271 * testsuite/Makefile.in: Regenerate.
272
f59f41f3
DK		 2732009-12-03 Doug Kwan <dougkwan@google.com>
274
275 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
276 (Target_arm::do_finalize_sections): Add parameter for symbol table
277 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
278 * i386.cc (Target_i386::do_finalize_sections): Add an additional
279 parameter for symbol table pointer.
280 * layout.cc (Layout::finalize): Call Target::finalize_sections with
281 an additional parameter for a pointer to symbol table.
282 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
283 parameter for a symbol table pointer.
284 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
285 * target.h (Target::finalize_sections, Target::do_finalize_sections):
286 Ditto.
287 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
288 parameter for a symbol table pointer.
289
ca55d848
RÁE		 2902009-12-03 Rafael Avila de Espindola <espindola@google.com>
291
292 * incremental.cc (Incremental_inputs_header)
293 (Incremental_inputs_header_write, Incremental_inputs_entry)
294 (Incremental_inputs_entry_write): Move ...
295 * incremental.h (Incremental_inputs_header)
296 (Incremental_inputs_header_write, Incremental_inputs_entry)
297 (Incremental_inputs_entry_write): here.
298
3aec4f9c
RÁE		 2992009-12-02 Rafael Avila de Espindola <espindola@google.com>
300
301 * incremental.cc (make_sized_incremental_binary): Set the target.
302 Error if it is incompatible.
303 * output.h (Output_file): Add filename method.
304
9c0ae74d
RÁE		 3052009-12-02 Rafael Avila de Espindola <espindola@google.com>
306
307 * incremental.cc (Incremental_inputs_entry): Remove unused argument
308 from the get_* methods.
309
a45500ae
RÁE		 3102009-12-02 Rafael Avila de Espindola <espindola@google.com>
311
312 * incremental-dump.cc (main): Check that the offeset of a script is 0.
313 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
314 Write 0 for the data_offset of scripts.
315
325e6408
RÁE		 3162009-12-02 Rafael Avila de Espindola <espindola@google.com>
317
318 * testsuite/Makefile.am: Add the incremental_test.sh test.
319 * testsuite/incremental_test.sh: New.
320 * testsuite/incremental_test_1.c: New.
321 * testsuite/incremental_test_2.c: New.
322
954c3e2e
RÁE		 3232009-12-01 Rafael Avila de Espindola <espindola@google.com>
324
325 * incremental-dump.cc (main): Fix typos.
326
f8086623
RÁE		 3272009-11-27 Rafael Avila de Espindola <espindola@google.com>
328
329 PR gold/11025
330 * incremental-dump.cc (main): Use llu to print 64 bit values.
331
3b0dd6ac
L		 3322009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
333 H.J. Lu <hongjiu.lu@intel.com>
334
335 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
336 $(LIBDL).
337 (incremental_dump_LDADD): Likewise.
338 * Makefile.in: Regenerated.
339
a6d1ef57
DK		 3402009-11-25 Doug Kwan <dougkwan@google.com>
341
342 Revert:
343
344 2009-11-25 Doug Kwan <dougkwan@google.com>
345
346 * arm.cc (Target_arm::Target_arm): Move method definition
347 outside of class definition. Add code to handle
348 --target1-rel, --target1-abs and --target2= options.
349 (Target_arm::get_reloc_reloc_type): Change method to be
350 non-static and const.
351 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
352 New data member declaration.
353 (Target_arm::Scan::local, Target_arm::Scan::global,
354 Target_arm::Relocate::relocate,
355 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
356 Adjust call to Target_arm::get_real_reloc_type.
357 (Target_arm::get_real_reloc_type): Use command line options
358 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
359 * options.h (--target1-rel, --target1-abs, --target2): New
360 ARM-only options.
361
50aeb7d4
DK		 3622009-11-25 Doug Kwan <dougkwan@google.com>
363
364 * arm.cc (Target_arm::Target_arm): Move method definition outside of
365 class definition. Add code to handle --target1-rel, --target1-abs
366 and --target2= options.
367 (Target_arm::get_reloc_reloc_type): Change method to be non-static
368 and const.
369 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
370 member declaration.
371 (Target_arm::Scan::local, Target_arm::Scan::global,
372 Target_arm::Relocate::relocate,
373 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
374 call to Target_arm::get_real_reloc_type.
375 (Target_arm::get_real_reloc_type): Use command line options to
376 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
377 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
378 options.
379
51938283
DK		 3802009-11-25 Doug Kwan <dougkwan@google.com>
381
382 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
383 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
384 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
385 formatting.
386 (Arm_relocate_functions::thm_call): Replace body with a call to
387 Arm_relocate_functions::thumb_branch_common.
388 (Arm_relocate_functions::thm_jump24,
389 Arm_relocate_functions::thm_xpc22): New method definitions.
390 (Arm_relocate_functions::thumb_branch_common): New method definition.
391 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
392 operator.
393 (Target_arm::Relocate::relocate): Adjust call to thm_call.
394 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
395
e2b8f3c4
RÁE		 3962009-11-24 Rafael Avila de Espindola <espindola@google.com>
397
398 * Makefile.am: Build incremental-dump
399 * Makefile.in: Regenerate.
400 * incremental-dump.cc: New.
401 * incremental.cc (Incremental_inputs_header_data,
402 Incremental_inputs_entry_data): Move to incremental.h
403 * incremental.h: (Incremental_inputs_header_data,
404 Incremental_inputs_entry_data): Move from incremental.cc
405
bcba9aec
RÁE		 4062009-11-24 Rafael Avila de Espindola <espindola@google.com>
407
408 * incremental.cc (Incremental_inputs_header,
409 Incremental_inputs_header_write, Incremental_inputs_entry,
410 Incremental_inputs_entry_write): Add a typedef with the data type.
411
7c3afe08
RÁE		 4122009-11-24 Rafael Avila de Espindola <espindola@google.com>
413
414 * incremental.cc (Incremental_inputs_header,
415 Incremental_inputs_header_write, Incremental_inputs_entry,
416 Incremental_inputs_entry_write): Update comment about which
417 type has the filed descriptions.
418
d204b6e9
DK		 4192009-11-15 Doug Kwan <dougkwan@google.com>
420
421 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
422 (Arm_relocate_functions::arm_branch_common): Change method defintion
423 in class definition to a method declaration and update list of formal
424 parameters.
425 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
426 Arm_relocation_functions::jump24): Adjust call to
427 Arm_relocate_functions::arm_branch_common. Update list of formal
428 parameters.
429 (Arm_relocate_functions::xpc25): New method definition.
430 (Arm_relocate_functions::arm_branch_common): Move method defintion
431 out from class definition. Use stubs for mode-switching and extending
432 branch ranges.
433 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
434 specially. Change code to enable use of stubs in ARM branches.
435
43d12afe
DK		 4362009-11-10 Doug Kwan <dougkwan@google.com>
437
438 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
439 in method declaration.
440 (Target_arm::relocate_stub): New method declaration.
441 (Target_arm::default_target): Change to return a pointer instead of
442 a const reference.
443 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
444 Target_arm::default_target.
445 (Arm_Relobj::do_relocate_sections): Remove options paramater in
446 method definition.
447 (Target_arm::relocate_section): Adjust view.
448 (Target_arm::relocate_stub): New method definition.
449
ac33a407
DK		 4502009-11-10 Doug Kwan <dougkwan@google.com>
451
452 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
453 a format warning.
454 * incremental.cc (open_incremental_binary): Initialized local
455 variables to avoid warnings.
456 * object.cc (make_elf_object): Ditto.
457 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
458 a format warning.
459
88ee28e9
L		 460009-11-09 H.J. Lu <hongjiu.lu@intel.com>
461
462 PR gold/10930
463 * testsuite/plugin_test.c: Include "config.h".
464
2daedcd6
DK		 4652009-11-09 Doug Kwan <dougkwan@google.com>
466
467 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
468 (arm_symbol_value): Remove.
469 (Arm_relocate_functions::arm_branch_common,
470 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
471 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
472 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
473 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
474 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
475 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
476 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
477 Arm_relocate_functions::thm_mobw_abs_nc,
478 Arm_relocate_functions::thm_mov_abs,
479 Arm_relocate_functions::movw_prel_nc,
480 Arm_relocate_functions::thm_movt_abs,
481 Arm_relocate_functions::movt_prel,
482 Arm_relocate_functions::thm_movw_prel_nc,
483 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
484 (Target_arm::Relocate::relocate): Only decompose address into two
485 parts if relocation type uses the thumb-bit and pass the actual
486 bit instead of a flag indicating that the thumb-bit is used. Adjust
487 calls to methods in Arm_relocate_functions for this change.
488
1276bc89 4892009-11-08 Ian Lance Taylor <iant@google.com>
3e4afc80
ILT		 490
491 PR 10925
492 * reloc.cc: Instantiate
493 Sized_relobj::initialize_input_to_output_maps and
494 Sized_relobj:free_input_to_output_maps.
495
e53ad1b5
ILT		 4962009-11-06 Ian Lance Taylor <iant@google.com>
497
498 PR 10876
499 * defstd.cc (in_segment): Set only_if_ref true for "end".
500
eb44217c
DK		 5012009-11-06 Doug Kwan <dougkwan@google.com>
502
503 * arm.cc (class Reloc_stub): Correct a comment.
504 (Target_arm::Target_arm): Initialize arm_input_section_map_.
505 (Target_arm::scan_section_for_stubs): New method declaration.
506 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
507 Change methods from private to protected.
508 (Target_arm::do_may_relax): New method definition.
509 (Target_arm::do_relax, Target_arm::group_sections,
510 Target_arm::scan_reloc_for_stub,
511 Target_arm::scan_reloc_section_for_stubs): New method declarations.
512 (Target_arm::arm_input_section_map_): New data member declaration.
513 (Target_arm::scan_reloc_for_stub,
514 Target_arm::scan_reloc_section_for_stubs,
515 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
516 Target_arm::do_relax): New method definitions.
517
5d329b7d
ILT		 5182009-11-06 Mikolaj Zalewski <mikolaj@google.com>
519
520 * configure.ac: Check for (struct stat)::st_mtim
521 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
522 * config.in: Regenerate.
523 * configure: Regenerate.
524
96a0d71b
ILT		 5252009-11-05 Ian Lance Taylor <iant@google.com>
526
527 PR 10910
528 * output.cc (Output_segment::add_output_section): Add missing
529 return statement.
530
594c8e5e
ILT		 5312009-11-04 Ian Lance Taylor <iant@google.com>
532
533 PR 10880
534 * object.h (class Object): Add is_needed and set_is_needed
535 methods. Add is_needed_ field. Make bool fields into bitfields.
536 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
537 defined in a dynamic object and referenced by a regular object,
538 set is_needed for the dynamic object.
539 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
540 if the file is marked with as_needed and it is not needed.
541
22b127cc
ILT		 5422009-11-04 Ian Lance Taylor <iant@google.com>
543
544 PR 10887
545 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
546 tags if data is discarded by linker script.
547 * i386.cc (Target_i386::do_finalize_sections): Likewise.
548 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
549 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
550 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
551
f5c870d2
ILT		 5522009-11-04 Ian Lance Taylor <iant@google.com>
553
554 * layout.cc (Layout::get_output_section): Add is_interp and
555 is_dynamic_linker_section parameters. Change all callers.
556 (Layout::choose_output_section): Likewise.
557 (Layout::make_output_section): Likewise.
558 (Layout::add_output_section_data): Add is_dynamic_linker_section
559 parameter. Change all callers.
560 * layout.h (class Layout): Update declarations.
561 * output.h (class Output_section): Add is_interp, set_is_interp,
562 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
563 Add is_interp_, is_dynamic_linker_section_ fields. Change
564 generate_code_fills_at_write_ to a bitfield.
565 * output.cc (Output_section::Output_sections): Initialize new
566 fields.
567 (Output_segment::add_output_section): Add do_sort parameter.
568 Change all callers.
569
1ae4d23b
ILT		 5702009-11-03 Ian Lance Taylor <iant@google.com>
571
572 PR 10860
573 * options.h (class General_options): Add --warn-common.
574 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
575 merging two common symbols.
576 (Symbol_table::should_override): Handle --warn-common when merging
577 a common symbol with a defined symbol. Use report_resolve_problem
578 for multiple definitions.
579 (Symbol_table::report_resolve_problem): New function.
580 * symtab.h (class Symbol_table): Declare report_resolve_problem.
581
55da9579
DK		 5822009-11-03 Doug Kwan <dougkwan@google.com>
583
584 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
585 stub_factory_.
586 (Target_arm::stub_factory): New method definition.
587 (Target_arm::new_arm_input_section,
588 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
589 Target_arm::reloc_uses_thumb_bit): New method declarations.
590 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
591 New type definitions.
592 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
593 member declarations.
594 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
595 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
596 New method definitions.
597
37a9ac43
ILT		 5982009-11-03 Ian Lance Taylor <iant@google.com>
599
600 * options.h (class General_options): Add --warn_constructors.
601
b3d6a3d4
ILT		 6022009-11-03 Ian Lance Taylor <iant@google.com>
603
604 PR 10893
605 * defstd.cc (in_section): Add entries for __rel_iplt_start,
606 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
607
934b01dd
ILT		 6082009-11-03 Ian Lance Taylor <iant@google.com>
609
610 PR 10895
611 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
612 --msgid-bugs-address.
613 (install-pdf): New target.
614 (install-data_yes): Look up one directory to find mkinstalldirs.
615
03c1939b
L		 6162009-11-03 H.J. Lu <hongjiu.lu@intel.com>
617
618 * po/Make-in (.po.gmo): Don't generate .gmo files in source
619 tree.
620
ebd95253
DK		 6212009-10-30 Doug Kwan <dougkwan@google.com>
622
623 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
624
e9bbb538
DK		 6252009-10-30 Doug Kwan <dougkwan@google.com>
626
627 * arm.cc (Stub_addend_reader): New struct template definition
628 and partial specializations.
629 (Stub_addend_reader::operator()): New method definition for a
630 partially specialized template.
631
d5b40221
DK		 6322009-10-30 Doug Kwan <dougkwan@google.com>
633
634 * arm.cc (Arm_relobj::processor_specific_flags): New method
635 definition.
636 (Arm_relobj::do_read_symbols): New method declaration.
637 (Arm_relobj::processor_specific_flags_): New data member declaration.
638 (Arm_dynobj): New class definition.
639 (Target_arm::do_finalize_sections): Add input_objects parameter.
640 (Target_arm::do_adjust_elf_header): New method declaration.
641 (Target_arm::are_eabi_versions_compatible,
642 (Target_arm::merge_processor_specific_flags): New method declaration.
643 (Target_arm::do_make_elf_object): New overloaded method definitions
644 and declaration.
645 (Arm_relobj::do_read_symbols): New method definition.
646 (Arm_dynobj::do_read_symbols): Ditto.
647 (Target_arm::do_finalize_sections): Add input_objects parameters.
648 Merge processor-specific flags from all input objects.
649 (Target_arm::are_eabi_versions_compatible,
650 Target_arm::merge_processor_specific_flags,
651 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
652 New method definitions.
653 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
654 Input_objects pointer type parameter.
655 * layout.cc (Layout::finalize): Pass input objects to target's.
656 finalize_sections function.
657 * output.cc (Output_file_header::do_sized_write): Set ELF file
658 header's processor-specific flags.
659 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
660 Input_objects pointer type parameter.
661 * sparc.cc (Target_sparc::do_finalize_sections): Same.
662 * target.h (Input_objects): New forward class declaration.
663 (Target::processor_specific_flags,
664 Target::are_processor_specific_flags_sect): New method definitions.
665 (Target::finalize_sections): Add input_objects parameter.
666 (Target::Target): Initialize processor_specific_flags_ and
667 are_processor_specific_flags_set_.
668 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
669 parameter.
670 (Target::set_processor_specific_flags): New method definition.
671 (Target::processor_specific_flags_,
672 Target::are_processor_specific_flags_set_): New data member
673 declarations.
674 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
675 Input_objects pointer type parameter.
676
ebabffbd
DK		 6772009-10-30 Doug Kwan <dougkwan@google.com>
678
679 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
680
ad0f2072
ILT		 6812009-10-28 Ian Lance Taylor <iant@google.com>
682
683 * object.h (class Relobj): Drop options parameter from
684 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
685 do_scan_relocs, do_relocate. Change all callers.
686 (class Sized_relobj): Drop options parameters from
687 do_gc_process_relocs, do_scan_relocs, do_relocate,
688 do_relocate_sections, relocate_sections, emit_relocs_scan,
689 emit_relocs_scan_reltype. Change all callers.
690 (struct Relocate_info): Remove options field and all references to
691 it.
692 * reloc.h (class Read_relocs): Remove options constructor
693 parameter and options_ field. Change all callers.
694 (class Gc_process_relocs, class Scan_relocs): Likewise.
695 (class Relocate_task): Likewise.
696 * target-reloc.h (scan_relocs): Remove options parameter. Change
697 all callers.
698 (scan_relocatable_relocs): Likewise.
699 * target.h (class Sized_target): Remove options parameter from
700 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
701 all callers.
702 * gc.h (gc_process_relocs): Remove options parameter. Change all
703 callers.
704 * arm.cc: Update functions to remove options parameters.
705 * i386.cc: Likewise.
706 * powerpc.cc: Likewise.
707 * sparc.cc: Likewise.
708 * x86_64.cc: Likewise.
709 * testsuite/testfile.cc: Likewise.
710
8ffa3667
DK		 7112009-10-28 Doug Kwan <dougkwan@google.com>
712
713 * arm.cc (Arm_relobj): New class definition.
714 (Arm_relobj::scan_sections_for_stubs,
715 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
716 New method definitions.
717
40f36857
CC		 7182009-10-28 Cary Coutant <ccoutant@google.com>
719
720 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
721 (Plugin::cleanup_done_): New member.
722 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
723 (Plugin_manager::cleanup_done_): Remove.
724 (Plugin_manager::add_input_file): Edit error message.
725 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
726 (Plugin_manager::cleanup): Remove use of cleanup_done_.
727
2c849493
ILT		 7282009-10-27 Mikolaj Zalewski <mikolajz@google.com>
729
730 * fileread.cc: (File_read::View::~View): Use the new
731 data_ownership_ filed.
732 (File_read::~File_read): Dispose the new whole_file_view_.
733 (File_read::open): Mmap the whole file if needed.
734 (File_read::open): Use whole_file_view_ instead of contents_.
735 (File_read::find_view): Use whole_file_view_ if applicable.
736 (File_read::do_read): Use whole_file_view_ instead of contents_.
737 (File_read::make_view): Use whole_file_view_ instead of contents_,
738 update File_read::View::View call.
739 (File_read::find_or_make_view): Update File_read::View::View
740 call.
741 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
742 remove contents_
743 (File_read::View::Data_ownership): New enum.
744 (File_read::View::View): Replace bool mapped_ with Data_ownership
745 argument.
746 (File_read::View::mapped_): Remove (replaced by data_ownership_).
747 (File_read::View::data_ownership_): New field.
748 (File_read::contents_): Remove (replaced by whole_file_view_).
749 (File_read::whole_file_view_): New field.
750 * options.h (class General_options): Add --keep-files-mapped.
751
24998053
CC		 7522009-10-27 Cary Coutant <ccoutant@google.com>
753
754 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
755 * testsuite/Makefile.am (plugin_test_5): New test case.
756 * testsuite/Makefile.in: Regenerate.
757
72adc4fa
DK		 7582009-10-25 Doug Kwan <dougkwan@google.com>
759
760 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
761 from private to protected to allow access by child class.
762 (Sized_relobj::do_relocate_sections): New method declaration.
763 (Sized_relobj::relocate_sections): Virtualize.
764 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
765 Sized_relobj::relocate_sections. Instantiate template explicitly
766 for different target sizes and endianity.
767
07f508a2
DK		 7682009-10-24 Doug Kwan <dougkwan@google.com>
769
770 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
771 (Arm_input_section::as_arm_input_section): New method.
772 (Arm_output_section): New class definition.
773 (Arm_output_section::create_stub_group,
774 Arm_output_section::group_sections): New method definitions.
775
10ad9fe5
DK		 7762009-10-22 Doug Kwan <dougkwan@google.com>
777
778 * arm.cc (Arm_input_section): New class definition.
779 (Arm_input_section::init, Arm_input_section:do_write,
780 Arm_input_section::set_final_data_size,
781 Arm_input_section::do_reset_address_and_file_offset): New method
782 definitions.
783
56ee5e00
DK		 7842009-10-21 Doug Kwan <dougkwan@google.com>
785
786 * arm.cc (Stub_table, Arm_input_section): New forward class
787 declarations.
788 (Stub_table): New class defintion.
789 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
790 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
791 New method definition.
792
b569affa
DK		 7932009-10-21 Doug Kwan <dougkwan@google.com>
794
795 * arm.cc: Update copyright comments.
796 (Target_arm): New forward class template declaration.
797 (Arm_address): New type.
798 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
799 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
800 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
801 constants.
802 (Insn_template): Same.
803 (DEF_STUBS): New macro.
804 (Stub_type): New enum type.
805 (Stub_template): New class definition.
806 (Stub): Same.
807 (Reloc_stub): Same.
808 (Stub_factory): Same.
809 (Target_arm::Target_arm): Initialize may_use_blx_ and
810 should_force_pic_veneer_.
811 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
812 Target_arm::should_force_pic_veneer,
813 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
814 Target_arm::using_thumb_only, Target_arm:;default_target): New
815 method defintions.
816 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
817 New data member declarations.
818 (Insn_template::size, Insn_template::alignment): New method defintions.
819 (Stub_template::Stub_template): New method definition.
820 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
821 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
822 (Stub_factory::Stub_factory): New method definition.
823 * gold.h (string_hash): New template.
824 * output.h (Input_section_specifier::hash_value): Use
825 gold::string_hash.
826 (Input_section_specifier::string_hash): Remove.
827 * stringpool.cc (Stringpool_template::string_hash): Use
828 gold::string_hash.
829
6c172549
DK		 8302009-10-20 Doug Kwan <dougkwan@google.com>
831
832 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
833 symbols of relaxed input sections.
834 * output.h (Output_section::find_relaxed_input_section): Make
835 method public.
836
c5617f2f
DK		 8372009-10-16 Doug Kwan <dougkwan@google.com>
838
839 * dynobj.cc (Versions::Versions): Initialize version_script_.
840 Only insert base version symbol definition for a shared object
841 if version script defines any version versions.
842 (Versions::define_base_version): New method definition.
843 (Versions::add_def): Check that base version is not needed.
844 (Versions::add_need): Define base version lazily.
845 * dynobj.h (Versions::define_base_version): New method declaration.
846 (Versions::needs_base_version_): New data member declaration.
847 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
848 (check_DATA): Add no_version_test.stdout.
849 (libno_version_test.so, no_version_test.o no_version_test.stdout):
850 New make rules.
851 * testsuite/Makefile.in: Regenerate.
852 * testsuite/no_version_test.c: New file.
853 * testsuite/no_version_test.sh: Ditto.
854
3c12dcdb
DK		 8552009-10-16 Doug Kwan <dougkwan@google.com>
856
857 * expression.cc (class Segment_start_expression): New class definition.
858 (Segment_start_expression::value): New method definition.
859 (script_exp_function_segment_start): Return a new
860 Segment_start_expression.
861 * gold/script-c.h (script_saw_segment_start_expression): New function
862 prototype.
863 * script-sections.cc (Script_sections::Script_sections): Initialize
864 SAW_SEGMENT_START_EXPRESSION_ to false.
865 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
866 and -Tbbs options to specify section addresses if given in
867 command line and no SEGMENT_START expression is seen in a script.
868 * script-sections.h (Script_sections::saw_segment_start_expression,
869 Script_sections::set_saw_segment_start_expression): New method
870 definition.
871 (Script_sections::saw_segment_start_expression_): New data member
872 declaration.
873 * script.cc (script_saw_segment_start_expression): New function.
874 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
875 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
876 script_test_7.sh and script_test_8.sh.
877 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
878 script_test_8.stdout.
879 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
880 (script_test_6, script_test_6.stdout, script_test_7,
881 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
882 * Makefile.in: Regenerate.
883 * testsuite/script_test_6.sh: New file.
884 * testsuite/script_test_6.t: Same.
885 * testsuite/script_test_7.sh: Same.
886 * testsuite/script_test_7.t: Same.
887 * testsuite/script_test_8.sh: Same.
888
64b1ae37
DK		 8892009-10-16 Doug Kwan <dougkwan@google.com>
890
891 * output.cc (Output_segment::set_section_list_address): Cast
892 expressions to unsigned long long type to avoid format warnings.
893
661be1e2
ILT		 8942009-10-15 Ian Lance Taylor <iant@google.com>
895
12edd763 896 * script.cc (Script_options::add_symbol_assignment): Always add a
b3d6a3d4 897 dot assignment to script_sections_.
12edd763
ILT		 898 * script-sections.cc (Script_sections::add_dot_assignment):
899 Initialize if necessary.
900
68b6574b
ILT		 901 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
902 program headers with no load segment if there is a linker script.
903
661be1e2
ILT		 904 * layout.cc (Layout::set_segment_offsets): Align the file offset
905 to the segment aligment for -N or -n with no load segment.
906 * output.cc (Output_segment::add_output_section): Don't crash if
907 the first section is a TLS section.
908 (Output_segment::set_section_list_addresses): Print an error
909 message if the address moves backward in a linker script.
910 * script-sections.cc
911 (Output_section_element_input::set_section_addresses): Don't
912 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
913 (Orphan_output_section::set_section_addresses): Likewise.
914
f15f61a7
DK		 9152009-10-15 Doug Kwan <dougkwan@google.com>
916
917 * layout.cc (Layout::finish_dynamic_section): Generate tags
918 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
919 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
920 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
921
82bb573a
ILT		 9222009-10-14 Ian Lance Taylor <iant@google.com>
923
924 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
925 fields.
926 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
927 data_shdr fields of relinfo.
928 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
929 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
930 R_386_TLS_LDO_32, adjust based on section flags.
931 (Target_i386::Relocate::fix_up_ldo): Remove.
932
374ad285
ILT		 9332009-10-13 Ian Lance Taylor <iant@google.com>
934
935 Add support for -pie.
936 * options.h (class General_options): Add -pie and
937 --pic-executable.
938 (General_options::output_is_position_independent): Test -pie.
939 (General_options::output_is_executable): Return true if not shared
940 and not relocatable.
941 (General_options::output_is_pie): Remove.
942 * options.cc (General_options::finalize): Reject incompatible uses
943 of -pie.
944 * gold.cc (queue_middle_tasks): A -pie link is not static.
945 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
946 * symtab.cc (Symbol::final_value_is_known): Return false if
947 output_is_position_independent.
948 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
949 output_is_position_independent.
950 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
951 output_is_position_independent.
952 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
953 output_is_position_independent.
954 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
955 two_file_pie_test.
956 (basic_pie_test.o, basic_pie_test): New targets.
957 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
958 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
959 (two_file_pie_test): New target.
960 * testsuite/Makefile.in: Rebuild.
961 * README: Remove note saying that -pie is not supported.
962
c6585162
ILT		 9632009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
964
965 * options.h (class General_options): Add -init and -fini.
966 * layout.cc (Layout::finish_dynamic_section): Emit
967 given init and fini functions.
968
032ce4e9
ST		 9692009-10-13 Sriraman Tallam <tmsriram@google.com>
970
971 * gc.h (gc_process_relocs): Check if icf is enabled using new
972 function.
973 * gold.cc (queue_initial_tasks): Likewise.
974 (queue_middle_tasks): Likewise.
975 * object.cc (do_layout): Likewise.
976 * symtab.cc (is_section_folded): Likewise.
977 * main.cc (main): Likewise.
978 * reloc.cc (Read_relocs::run): Likewise.
979 (Sized_relobj::do_scan_relocs): Likewise.
980 * icf.cc (is_function_ctor_or_dtor): New function.
981 (Icf::find_identical_sections): Check if function is ctor or dtor when
982 safe icf is chosen.
983 * options.h (General_options::icf): Change option to be an enum.
984 (Icf_status): New enum.
985 (icf_enabled): New method.
986 (icf_safe_folding): New method.
987 (set_icf_status): New method.
988 (icf_status_): New variable.
989 * (options.cc) (General_options::finalize): Set icf_status_.
990 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
991 icf_test and icf_keep_unique_test to use the --icf enum flag.
992 * testsuite/icf_safe_test.sh: New file.
993 * testsuite/icf_safe_test.cc: New file.
994
f345227a
ST		 9952009-10-12 Sriraman Tallam <tmsriram@google.com>
996
997 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
998 includes to gc.h and icf.h.
999 * arm.cc: Include gc.h.
1000 * gold.cc: Likewise.
1001 * i386.cc: Likewise.
1002 * powerpc.cc: Likewise.
1003 * sparc.cc: Likewise.
1004 * x86_64.cc: Likewise.
1005 * gc.h: Include icf.h.
1006
1c7814ed
ILT		 10072009-10-11 Ian Lance Taylor <iant@google.com>
1008
1009 * plugin.cc: Include "gold.h" before other header files.
1010
ae3b5189
CD		 10112009-10-10 Chris Demetriou <cgd@google.com>
1012
1013 * options.h (Input_file_argument::Input_file_type): New enum.
1014 (Input_file_argument::is_lib_): Replace with...
1015 (Input_file_argument::type_): New member.
1016 (Input_file_argument::Input_file_argument): Take Input_file_type
1017 'type' rather than boolean 'is_lib' as second argument.
1018 (Input_file_argument::is_lib): Use type_.
1019 (Input_file_argument::is_searched_file): New function.
1020 (Input_file_argument::may_need_search): Handle is_searched_file.
1021 * options.cc (General_options::parse_library): Support -l:filename.
1022 (General_options::parse_just_symbols): Update for Input_file_argument
1023 changes.
1024 (Command_line::process): Likewise.
1025 * archive.cc (Archive::get_file_and_offset): Likewise.
1026 * plugin.cc (Plugin_manager::release_input_file): Likewise.
1027 * script.cc (read_script_file, script_add_file): Likewise.
1028 * fileread.cc (Input_file::Input_file): Likewise.
1029 (Input_file::will_search_for): Handle is_searched_file.
1030 (Input_file::open): Likewise.
1031 * readsyms.cc (Read_symbols::get_name): Likewise.
1032 * testsuite/Makefile.am (searched_file_test): New test.
1033 * testsuite/Makefile.in: Regenerate.
1034 * testsuite/searched_file_test.cc: New file.
1035 * testsuite/searched_file_test_lib.cc: New file.
1036
f3048a1d
ILT		 10372009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1038 Ian Lance Taylor <iant@google.com>
1039
1040 * descriptor.cc: Include <cstdio> and "binary-io.h".
1041 (Descriptors::open): Open the files in binary mode always.
1042 * script.cc (Lex::get_token): Treat \r as whitespace.
1043
d4780e57
ILT		 10442009-10-09 Ian Lance Taylor <iant@google.com>
1045
1046 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
1047
d9a893b8
ILT		 10482009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1049 Ian Lance Taylor <iant@google.com>
1050
1051 * configure.ac: Check for readv function also.
1052 * fileread.cc (readv): Define if not HAVE_READV.
1053 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
1054 does not exist.
1055 * config.in: Regenerate.
1056 * configure: Regenerate.
1057
c0a62865
DK		 10582009-10-09 Doug Kwan <dougkwan@google.com>
1059
1060 * layout.cc (Layout::make_output_section): Call target hook to make
1061 ordinary output section.
1062 (Layout::finalize): Adjust parameter list of call the
1063 Target::may_relax().
1064 * layout.h (class Layout::section_list): New method.
1065 * merge.h (Output_merge_base::entsize): Change visibility to public.
1066 (Output_merge_base::is_string, Output_merge_base::do_is_string):
1067 New methods.
1068 (Output_merge_string::do_is_string): New method.
1069 * object.cc (Sized_relobj::do_setup): renamed from
1070 Sized_relobj::set_up.
1071 * object.h (Sized_relobj::adjust_shndx,
1072 Sized_relobj::initializ_input_to_output_maps,
1073 Sized_relobj::free_input_to_output_maps): Change visibilities to
1074 protected.
1075 (Sized_relobj::setup): Virtualize.
1076 (Sized_relobj::do_setup): New method declaration.
1077 (Sized_relobj::invalidate_section_offset,
1078 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
1079 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
1080 * options.cc (parse_int): New function.
1081 * options.h (parse_int): New declaration.
1082 (DEFINE_int): New macro.
1083 (stub_group_size): New option.
1084 * output.cc (Output_section::Output_section): Initialize memebers
1085 merge_section_map_, merge_section_by_properties_map_,
1086 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
1087 (Output_section::add_input_section): Handled deferred code-fill
1088 generation and remove an old comment.
1089 (Output_section::add_relaxed_input_section): New method definition.
1090 (Output_section::add_merge_input_section): Use merge section by
1091 properties map to speed to search. Update merge section maps
1092 as appropriate.
1093 (Output_section::build_relaxation_map): New method definition.
1094 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
1095 Same.
1096 (Output_section::relax_input_section): Renamed to
1097 Output_section::convert_input_sections_to_relaxed_sections and change
1098 interface to take a vector of pointers to relaxed sections.
1099 (Output_section::find_merge_section,
1100 Output_section::find_relaxed_input_section): New method definitions.
1101 (Output_section::is_input_address_mapped,
1102 Output_section::output_offset, Output_section::output_address):
1103 Use output section data maps to speed up searching.
1104 (Output_section::find_starting_output_address): Add comments.
1105 (Output_section::do_write,
1106 Output_section::write_to_postprocessing_buffer): Do code-fill
1107 generation as appropriate.
1108 (Output_section::get_input_sections): Invalidate relaxed input section
1109 map.
1110 (Output_section::restore_states): Adjust type of checkpoint .
1111 Invalidate relaxed input section map.
1112 * output.h (Output_merge_base): New class declaration.
1113 (Input_section_specifier): New class defintion.
1114 (class Output_relaxed_input_section) Change base class to
1115 Output_section_data_build.
1116 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
1117 base class initializer.
1118 (Output_section::add_relaxed_input_section): New method declaration.
1119 (Output_section::Input_section): Change visibility to protected.
1120 (Output_section::Input_section::relobj,
1121 Output_section::Input_section::shndx): Handle relaxed input sections.
1122 Output_section::input_sections) Change visibility to protected. Also
1123 define overload to return a non-const pointer.
1124 (Output_section::Merge_section_properties): New class defintion.
1125 (Output_section::Merge_section_by_properties_map,
1126 Output_section::Output_section_data_by_input_section_map,
1127 Output_section::Relaxation_map): New types.
1128 (Output_section::relax_input_section): Rename method to
1129 Output_section::convert_input_sections_to_relaxed_sections and change
1130 interface to take a vector of relaxed section pointers.
1131 (Output_section::find_merge_section,
1132 Output_section::find_relaxed_input_section,
1133 Output_section::build_relaxation_map,
1134 Output_section::convert_input_sections_in_list_to_relaxed_sections):
1135 New method declarations.
1136 (Output_section::merge_section_map_
1137 Output_section::merge_section_by_properties_map_,
1138 Output_section::relaxed_input_section_map_,
1139 Output_section::is_relaxed_input_section_map_valid_,
1140 Output_section::generate_code_fills_at_write_): New data members.
1141 * script-sections.cc
1142 (Output_section_element_input::set_section_addresses): Call
1143 current_data_size and addralign methods of relaxed input sections.
1144 (Orphan_output_section::set_section_addresses): Call current_data_size
1145 and addralign methods of relaxed input sections.
1146 * symtab.cc (Symbol_table::compute_final_value): Extract template
1147 from the body of Symbol_table::sized_finalize_symbol.
1148 (Symbol_table::sized_finalized_symbol): Call
1149 Symbol_table::compute_final_value.
1150 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
1151 (Symbol_table::compute_final_value): New templated method declaration.
1152 * target.cc (Target::do_make_output_section): New method defintion.
1153 * target.h (Target::make_output_section): New method declaration.
1154 (Target::relax): Add more parameters for input objects, symbol table
1155 and layout. Adjust call to do_relax.
1156 (Target::do_make_output_section): New method declaration.
1157 (Target::do_relax): Add parameters for input objects, symbol table
1158 and layout.
1159
d446d6c4
ILT		 11602009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1161
1162 * pread.c: Include stdio.h.
1163
bc06c745
ILT		 11642009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1165
1166 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
1167 defined.
1168
75aea3d0
ILT		 11692009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
1170
1171 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
1172 Change read_shndx type to unsigned int.
1173 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1174 int.
1175 (Sized_dwarf_line_info::read_line_mappings): Likewise.
1176 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
1177 Change read_shndx type to unsigned int.
1178 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
1179 int.
1180 (Sized_dwarf_line_info::read_line_mappings): Likewise.
1181 * layout.cc (Layout::create_symtab_sections): Cast the result of
1182 local_symcount * symsize to off_t in the gold_assert.
1183
be8fcb75
ILT		 11842009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1185
1186 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
1187 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
1188 R_ARM_BASE_ABS.
1189 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
1190 (Arm_relocate_functions::thm_abs5): New function.
1191 (Arm_relocate_functions::abs12): New function.
1192 (Arm_relocate_functions::abs16): New function.
1193 (Arm_relocate_functions::base_abs): New function.
1194 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
1195 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
1196 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
1197 R_ARM_BASE_ABS.
1198 (Scan::global): Likewise.
1199 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
1200 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
1201 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
1202 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
1203 R_ARM_BASE_ABS.
1204
c2a122b6
ILT		 12052009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1206
1207 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
1208 (Arm_relocate_functions::movt_prel): New function.
1209 (Arm_relocate_functions::thm_movw_prel_nc): New function.
1210 (Arm_relocate_functions::thm_movt_prel): New function.
1211 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
1212 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
1213 (Scan::global, Relocate::relocate): Likewise.
1214 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1215
c4aa1e2d
ILT		 12162009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1217
1218 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
1219 Incremental_checker.
1220 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
1221 unsigned int.
1222 (class Incremental_inputs_header): New class.
1223 (Incremental_inputs_header_writer): Edit comment.
1224 (Incremental_inputs_entry): New class.
1225 (Incremental_inputs_entry_writer): Edit comment.
1226 (Sized_incremental_binary::do_find_incremental_inputs_section):
1227 Add *strtab_shndx parameter, fill it.
1228 (Sized_incremental_binary::do_check_inputs): New method.
1229 (Incremental_checker::can_incrementally_link_output_file): Use
1230 Sized_incremental_binary::check_inputs.
1231 (Incremental_inputs::report_command_line): Save command line in
1232 command_line_.
1233 * incremental.h:
1234 (Incremental_binary::find_incremental_inputs_section): New
1235 method.
1236 (Incremental_binary::do_find_incremental_inputs_section): Add
1237 strtab_shndx parameter.
1238 (Incremental_binary::do_check_inputs): New pure virtual method.
1239 (Sized_incremental_binary::do_check_inputs): Declare.
1240 (Incremental_checker::Incremental_checker): Add incremental_inputs
1241 parameter, use it to initialize incremental_inputs_.
1242 (Incremental_checker::incremental_inputs_): New field.
1243 (Incremental_checker::command_line): New method.
1244 (Incremental_checker::inputs): New method.
1245 (Incremental_checker::command_line_): New field.
1246
c549a694
ILT		 12472009-10-09 Mikolaj Zalewski <mikolajz@google.com>
1248
1249 * incremental.cc: Include <cstdarg> and "target-select.h".
1250 (vexplain_no_incremental): New function.
1251 (explain_no_incremental): New function.
1252 (Incremental_binary::error): New method.
1253 (Sized_incremental_binary::do_find_incremental_inputs_section): New
1254 method.
1255 (make_sized_incremental_binary): New function.
1256 (open_incremental_binary): New function.
1257 (can_incrementally_link_file): Add checks if output is ELF and has
1258 inputs section.
1259 * incremental.h: Include "elfcpp_file.h" and "output.h".
1260 (Incremental_binary): New class.
1261 (Sized_incremental_binary): New class.
1262 (open_incremental_binary): Declare.
1263 * object.cc (is_elf_object): Use
1264 elfcpp::Elf_recognizer::is_elf_file.
1265 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
1266 * output.h (Output_file::filesize): New method.
1267
fd3c5f0b
ILT		 12682009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1269
1270 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
1271 New function.
1272 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
1273 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
1274 function.
1275 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
1276 function.
1277 (Arm_relocate_functions::movw_abs_nc): New function.
1278 (Arm_relocate_functions::movt_abs): New function.
1279 (Arm_relocate_functions::thm_movw_abs_nc): New function.
1280 (Arm_relocate_functions::thm_movt_abs): New function.
1281 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
1282 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
1283 (Scan::global): Likewise.
1284 (Relocate::relocate): Likewise.
1285 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1286
7f5309a5
ILT		 12872009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1288
1289 * arm.cc (Arm_relocate_functions::got_prel) New function.
1290 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
1291 (Relocate::relocate): Likewise.
1292 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
1293
364c7fa5
ILT		 12942009-10-06 Ian Lance Taylor <iant@google.com>
1295
1296 * options.h (class General_options): Define
1297 split_stack_adjust_size parameter.
1298 * object.h (class Object): Add uses_split_stack_ and
1299 has_no_split_stack_ fields. Add uses_split_stack and
1300 has_no_split_stack accessor functions. Declare
1301 handle_split_stack_section.
1302 (class Reloc_symbol_changes): Define.
1303 (class Sized_relobj): Define Function_offsets. Declare
1304 split_stack_adjust, split_stack_adjust_reltype, and
1305 find_functions.
1306 * object.cc (Object::handle_split_stack_section): New function.
1307 (Sized_relobj::do_layout): Call handle_split_stack_section.
1308 * dynobj.cc (Sized_dynobj::do_layout): Call
1309 handle_split_stack_section.
1310 * reloc.cc (Sized_relobj::relocate_sections): Call
1311 split_stack_adjust for executable sections in split_stack
1312 objects. Pass reloc_map to relocate_section.
1313 (Sized_relobj::split_stack_adjust): New function.
1314 (Sized_relobj::split_stack_adjust_reltype): New function.
1315 (Sized_relobj::find_functions): New function.
1316 * target-reloc.h: Include "object.h".
1317 (relocate_section): Add reloc_symbol_changes parameter. Change
1318 all callers.
1319 * target.h (class Target): Add calls_non_split method. Declare
1320 do_calls_non_split virtual method. Declare match_view and
1321 set_view_to_nop.
1322 * target.cc: Include "elfcpp.h".
1323 (Target::do_calls_non_split): New function.
1324 (Target::match_view): New function.
1325 (Target::set_view_to_nop): New function.
1326 * gold.cc (queue_middle_tasks): Give an error if mixing
1327 split-stack and non-split-stack objects with -r.
1328 * i386.cc (Target_i386::relocate_section): Add
1329 reloc_symbol_changes parameter.
1330 (Target_i386::do_calls_non_split): New function.
1331 * x86_64.cc (Target_x86_64::relocate_section): Add
1332 reloc_symbol_changes parameter.
1333 (Target_x86_64::do_calls_non_split): New function.
1334 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
1335 parameter.
1336 * powerpc.cc (Target_powerpc::relocate_section): Add
1337 reloc_symbol_changes parameter.
1338 * sparc.cc (Target_sparc::relocate_section): Add
1339 reloc_symbol_changes parameter.
1340 * configure.ac: Call AM_CONDITIONAL for the default target.
1341 * configure: Rebuild.
1342 * testsuite/Makefile.am (TEST_AS): New variable.
1343 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
1344 (check_DATA): Add split_i386 and split_x86_64 files.
1345 (SPLIT_DEFSYMS): Define.
1346 (split_i386_[1234n].o): New targets.
1347 (split_i386_[124]): New targets.
1348 (split_i386_[1234r].stdout): New targets.
1349 (split_x86_64_[1234n].o): New targets.
1350 (split_x86_64_[124]): New targets.
1351 (split_x86_64_[1234r].stdout): New targets.
1352 (MOSTLYCLEANFILES): Add new executables.
1353 * testsuite/split_i386.sh: New file.
1354 * testsuite/split_x86_64.sh: New file.
1355 * testsuite/split_i386_1.s: New file.
1356 * testsuite/split_i386_2.s: New file.
1357 * testsuite/split_i386_3.s: New file.
1358 * testsuite/split_i386_4.s: New file.
1359 * testsuite/split_i386_n.s: New file.
1360 * testsuite/split_x86_64_1.s: New file.
1361 * testsuite/split_x86_64_2.s: New file.
1362 * testsuite/split_x86_64_3.s: New file.
1363 * testsuite/split_x86_64_4.s: New file.
1364 * testsuite/split_x86_64_n.s: New file.
1365 * testsuite/testfile.cc (Target_test): Update relocation_section
1366 function.
1367 * testsuite/Makefile.in: Rebuild.
1368
e8a9fcda
ILT		 13692009-10-06 Ian Lance Taylor <iant@google.com>
1370
1371 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
1372 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
1373 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
1374 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
1375 the address on ldo_addrs_.
1376 (Target_i386::Relocate::fix_up_ldo): New function.
1377
e99daf92
ILT		 13782009-10-06 Rafael Espindola <espindola@google.com>
1379
1380 * plugin.cc (add_input_library): New.
1381 (Plugin::load): Add add_input_library to tv.
1382 (Plugin_manager::add_input_file): Add the is_lib argument.
1383 (add_input_file): Update call to Plugin_manager::add_input_file.
1384 (add_input_library): New.
1385 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
1386
966d4097
DK		 13872009-09-30 Doug Kwan <dougkwan@google.com>
1388
1389 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
1390 symbol and call Symbol::may_need_copy_reloc to determine if
1391 a copy reloc is needed.
1392 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
1393 nocopyreloc is given in command line.
1394 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
1395 given in command line.
1396 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
1397 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
1398 of the removed Target_i386::may_need_copy_reloc.
1399 * options.h (copyreloc): New option with default value false.
1400 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1401 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
1402 instead of the removed Target_powerpc::may_need_copy_reloc.
1403 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
1404 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
1405 instead of the removed Target_sparc::may_need_copy_reloc.
1406 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
1407 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
1408 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
1409 instead of the removed Target_x86_64::may_need_copy_reloc.
1410
029ba973
ILT		 14112009-09-30 Ian Lance Taylor <iant@google.com>
1412
1413 * object.h (class Object): Remove target_ field, and target,
1414 sized_target, and set_target methods.
1415 (Object::sized_target): Remove.
1416 (class Sized_relobj): Update declarations. Remove sized_target.
1417 * object.cc (Sized_relobj::setup): Remove target parameter.
1418 Change all callers.
1419 (Input_objects::add_object): Don't do anything with the target.
1420 (make_elf_sized_object): Add punconfigured parameter. Change all
1421 callers. Set or test parameter target.
1422 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
1423 Change all callers.
1424 * parameters.cc (Parameters::set_target): Change parameter type to
1425 be non-const.
1426 (Parameters::default_target): Remove.
1427 (set_parameters_target): Change parameter type to be non-const.
1428 (parameters_force_valid_target): New function.
1429 (parameters_clear_target): New function.
1430 * parameters.h (class Parameters): Update declarations. Remove
1431 default_target method. Add sized_target and clear_target
1432 methods. Change target_ to be non-const.
1433 (set_parameters_target): Update declaration.
1434 (parameters_force_valid_target): Declare.
1435 (parameters_clear_target): Declare.
1436 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
1437 as NULL if we aren't searching.
1438 (Add_symbols::run): Don't check for compatible target.
1439 * fileread.cc (Input_file::open_binary): Call
1440 parameters_force_valid_target.
1441 * gold.cc (queue_middle_tasks): Likewise.
1442 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
1443 set_target on object.
1444 * dynobj.h (class Sized_dynobj): Update declarations.
1445 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
1446 make_elf_object returns NULL.
1447 (Archive::include_member): Don't check whether object target is
1448 compatible.
1449 * output.cc (Output_section::add_input_section): Get target from
1450 parameters.
1451 (Output_section::relax_input_section): Likewise.
1452 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
1453 parameters.
1454 (Sized_relobj::do_scan_relocs): Likewise.
1455 (Sized_relobj::relocate_sections): Likewise.
1456 * resolve.cc (Symbol_table::resolve): Likewise.
1457 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
1458 parameter. Change all callers.
1459 (Symbol_table::add_from_object): Get target from parameters.
1460 (Symbol_table::add_from_relobj): Don't check object target.
1461 (Symbol_table::add_from_dynobj): Likewise.
1462 (Symbol_table::define_special_symbol): Get target from
1463 parameters.
1464 * symtab.h (class Symbol_table): Update declaration.
1465 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
1466 parameter. Change all callers. Clear parameter target.
1467 (Binary_test): Test target here.
1468 * testsuite/object_unittest.cc (gold_testsuite): Remove
1469 target_test_pointer parameter. Change all callers.
1470 (Object_test): Test target here.
1471
a6a22b83
ILT		 14722009-09-26 Ian Lance Taylor <iant@google.com>
1473
1474 * testsuite/initpri1.c: Don't try to use constructor priorities if
1475 compiling with gcc before 4.3.
1476
6a8f49fe
ILT		 14772009-09-22 Mikolaj Zalewski <mikolajz@google.com>
1478
1479 * testsuite/retain_symbols_file_test.sh (check_present): Change
1480 output file name to retain_symbols_file_test.stdout.
1481 (check_absent): Likewise.
1482
8c604651
CS		 14832009-09-18 Craig Silverstein <csilvers@google.com>
1484
1485 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
1486 * options.cc: Include <cerrno> and <fstream>.
1487 (General_options::finalize): Parse -retain-symbols-file tag.
1488 * options.h: New flag.
1489 (General_options): New method should_retain_symbol, new
1490 variable symbols_to_retain.
1491 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
1492 should_retain_symbol map.
1493 * testsuite/Makefile.am (retain_symbols_file_test): New test.
1494 * testsuite/Makefile.in: Regenerate.
1495 * testsuite/retain_symbols_file_test.sh: New file.
1496
ca58b19f
NC		 14972009-09-18 Nick Clifton <nickc@redhat.com>
1498
1499 * po/es.po: Updated Spanish translation.
1500
20e6d0d6
DK		 15012009-09-17 Doug Kwan <dougkwan@google.com>
1502
1503 * debug.h (DEBUG_RELAXATION): New constant.
1504 (DEBUG_ALL): Add DEBUG_RELAXATION.
1505 (debug_string_to_enum): Add relaxation debug option.
1506 * layout.cc
1507 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
1508 Layout::Relaxation_debug_check::read_sections,
1509 Layout::Relaxation_debug_check::read_sections): New method definitions.
1510 (Layout::Layout): Initialize data members
1511 record_output_section_data_from_scrips_,
1512 script_output_section_data_list_ and relaxation_debug_check_.
1513 (Layout::save_segments, Layout::restore_segments,
1514 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1515 Layout::relaxation_loop_body): New method definitions.
1516 (Layout::finalize): Support relaxation. Move section layout code to
1517 Layout::relaxation_loop_body.
1518 (Layout::set_asection_address_from_script): Move code for orphan
1519 section placement out.
1520 (Layout::place_orphan_sections_in_script): New method definition.
1521 * layout.h (Output_segment_headers, Output_file_header):
1522 New forward class declarations.
1523 (Layout::~Layout): Define.
1524 (Layout::new_output_section_data_from_script): New method definition.
1525 (Layout::place_orphan_sections_in_script): New method declaration.
1526 (Layout::Segment_states): New type declaration.
1527 (Layout::save_segments, Layout::restore_segments,
1528 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
1529 Layout::relaxation_loop_body): New method declarations.
1530 (Layout::Output_section_data_list): New type declaration.
1531 (Layout::Relaxation_debug_check): New class definition.
1532 (Layout::record_output_section_data_from_script_,
1533 Layout::script_output_section_data_list_, Layout::segment_states_,
1534 Layout::relaxation_debug_check_): New data members.
1535 * output.cc: (Output_section_headers::do_size): New method definition.
1536 (Output_section_headers::Output_section_headers): Move size
1537 computation to Output_section_headers::do_size.
1538 (Output_segment_headers::do_size): New method definition.
1539 (Output_file_header::Output_file_header): Move size computation to
1540 Output_file_header::do_size and call it.
1541 (Output_file_header::do_size): New method definition.
1542 (Output_data_group::Output_data_group): Adjust call to
1543 Output_section_data.
1544 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
1545 (Output_symtab_xindex::do_write): Add array bound check.
1546 (Output_section::Input_section::print_to_mapfile): Handle
1547 RELAXED_INPUT_SECTION_CODE.
1548 (Output_section::Output_section): Initialize data member checkpoint_.
1549 (Output_section::~Output_section): Delete checkpoint object pointed
1550 by checkpoint_.
1551 (Output_section::add_input_section): Always add an Input_section if
1552 relaxing.
1553 (Output_section::add_merge_input_section): Add assert.
1554 (Output_section::relax_input_section): New method definition.
1555 (Output_section::set_final_data_size): Set load address to zero for
1556 an unallocated section.
1557 (Output_section::do_address_and_file_offset_have_reset_values):
1558 New method definition.
1559 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
1560 Handle relaxed input section.
1561 (Output_section::sort_attached_input_sections): Checkpoint input
1562 section list lazily.
1563 (Output_section::get_input_sections): Change type of input_sections to
1564 list of Simple_input_section pointers. Checkpoint input section list
1565 lazily. Also handle relaxed input sections.
1566 (Output_section::add_input_section_for_script): Take a reference to
1567 a Simple_input_section object instead of Relobj pointer and section
1568 index as parameter. Handle relaxed input sections.
1569 (Output_section::save_states, Output_section::restore_states): New
1570 method definitions.
1571 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
1572 (Output_data::is_data_size_fixed): New method definition.
1573 (Output_data::reset_addresss_and_file_offset): Do not reset data size
1574 if it is fixed.
1575 (Output_data::address_and_file_offset_have_reset_values): New method
1576 definition.
1577 (Output_data::do_address_and_file_offset_have_reset_values): New method
1578 definition.
1579 (Output_data::set_data_size): Check that data size is not fixed.
1580 (Output_data::fix_data_size): New method definition.
1581 (Output_data::is_data_size_fixed_): New data member.
1582 (Output_section_headers::set_final_data_size): New method definition.
1583 (Output_section_headers::do_size): New method declaration.
1584 (Output_segment_headers::set_final_data_size): New method definition.
1585 (Output_segment_headers::do_size): New method declaration.
1586 (Output_file_header::set_final_data_size)::New method definition.
1587 (Output_file_header::do_size)::New method declaration.
1588 (Output_section_data::Output_section_data): Add new parameter
1589 is_data_size_fixed and use it to fix data size.
1590 (Output_data_const::Output_data_const): Adjust call to base class
1591 constructor and fix data size.
1592 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
1593 base class constructor and fix data size.
1594 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
1595 base class constructor and fix data size.
1596 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
1597 class constructor and fix data size.
1598 (Output_data_group::set_final_data_size): New method definition.
1599 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
1600 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
1601 class constructor and fix data size.
1602 (Output_relaxed_input_section): New class definition.
1603 (Output_section::Simple_input_section): New class definition.
1604 (Output_section::get_input_sections): Adjust parameter list.
1605 (Output_section::add_input_section_for_script): Same.
1606 (Output_section::save_states, Output_section::restore_states,
1607 Output_section::do_address_and_file_offset_have_reset_values,
1608 (Output_section::Input_section::Input_section): Handle
1609 RELAXED_INPUT_SECTION_CODE. Add new overload for
1610 Output_relaxed_input_section.
1611 (Output_section::Input_section::is_input_section,
1612 Output_section::Input_section::set_output_section): Handle relaxed
1613 input section.
1614 (Output_section::Input_section::is_relaxed_input_section,
1615 Output_section::Input_section::output_section_data,
1616 Output_section::Input_section::relaxed_input_section): New method
1617 definitions.
1618 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
1619 value.
1620 (Output_section::Input_section::u1_): Update comments.
1621 (Output_section::Input_section::u2_): Add new union member poris.
1622 (Output_section::Checkpoint_output_section): New classs definition.
1623 (Output_section::relax_input_section): New method declaration.
1624 (Output_section::checkpoint_): New data member.
1625 (Output_segment): Update comments.
1626 (Output_segment::Output_segment): Un-privatize copy constructor.
1627 (Output_segment::operator=): Un-privatize.
1628 * script-sections.cc (Output_section_element::Input_section_list):
1629 Change element type to Output_section::Simple_input_section.
1630 (Output_section_element_dot_assignment::set_section_addresses):
1631 Register output section data for relaxation clean up.
1632 (Output_data_exression::Output_data_expression): Adjust call to base
1633 constructor to fix data size.
1634 (Output_section_element_data::set_section_addresses): Register
1635 Output_data_expression object for relaxation clean up.
1636 (struct Input_section_info): Replace Relobj pointer and section index
1637 pair with Output_section::Simple_input_section and Convert struct to a
1638 class.
1639 (Input_section_sorter::operator()): Adjust access to
1640 Input_section_info data member to use accessors.
1641 (Output_section_element_input::set_section_addresses): Use layout
1642 parameter. Adjust code to use Output_section::Simple_input_section
1643 and Input_secction_info classes. Register filler for relaxation
1644 clean up.
1645 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
1646 and section index pair with Output_section::Simple_input_section
1647 class. Adjust code accordingly.
1648 (Phdrs_element::release_segment): New method definition.
1649 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
1650 segment list.
1651 (Script_sections::release_segments): New method definition.
1652 * gold/script-sections.h (Script_sections::release_segments): New
1653 method declaration.
1654 * gold/target.h (Target::may_relax, Target::relax,
1655 Target::do_may_relax, Target::do_relax): New method definitions.
1656
5e445df6
ILT		 16572009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1658
1659 * arm.cc (has_signed_unsigned_overflow): New function.
1660 (Arm_relocate_functions::abs8): New function.
1661 (Target_arm::Scan::local): Handle R_ARM_ABS8.
1662 (Target_arm::Scan::global): Likewise.
1663 (Target_arm::relocate::relocate): Likewise.
1664 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1665 Likewise.
1666
8c604651 16672009-09-16 Cary Coutant <ccoutant@google.com>
72fef11a
CC		 1668
1669 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
1670 * testsuite/Makefile.in: Regenerate.
1671
1e9cc1c2
NC		 16722009-09-11 Nick Clifton <nickc@redhat.com>
1673
1674 * po/gold.pot: Updated by the Translation project.
1675
6a89f575
CC		 16762009-09-08 Cary Coutant <ccoutant@google.com>
1677
1678 * output.cc (Output_file::open): Add execute permission to empty file.
1679 * testsuite/Makefile.am (permission_test): New test.
1680 * testsuite/Makefile.in: Regenerate.
1681
fdcac5af
ILT		 16822009-09-02 Ian Lance Taylor <iant@google.com>
1683
1684 * output.cc (Output_file::resize): Call map_no_anonymous rather
1685 than map.
1686
44453f85
ILT		 16872009-09-01 Mikolaj Zalewski <mikolajz@google.com>
1688
1689 * gold.cc: Include "incremental.h".
1690 (queue_initial_tasks): Call Incremental_checker methods.
1691 * incremental.cc: Include "output.h".
1692 (Incremental_checker::can_incrementally_link_output_file): New
1693 method.
1694 * incremental.h (Incremental_checker): New class.
1695
1696 * output.cc (Output_file::open_for_modification): New method.
1697 (Output_file::map_anonymous): Changed return type to bool. Record
1698 map in base_ field.
1699 (Output_file::map_no_anonymous): New method, broken out of map.
1700 (Output_file::map): Use map_no_anonymous and map_anonymous.
1701 * output.h (class Output_file): Update declarations.
1702
293c1386
CC		 17032009-08-24 Cary Coutant <ccoutant@google.com>
1704
1705 * options.h (Command_line::Pre_options): New class.
1706 (Command_line::pre_options): New member.
1707 * options.cc (gold::options::ready_to_register): New variable.
1708 (One_option::register_option): Do nothing if not registering options.
1709 Assert if same short option registered twice.
1710 (General_options::General_options): Turn off option registration when
1711 done constructing.
1712 (Command_line::Pre_options::Pre_options): New constructor.
1713
f773f3d2
CC		 17142009-08-24 Cary Coutant <ccoutant@google.com>
1715
06a73cfe
CC		 1716 * options.h (General_options::no_keep_memory): Remove incorrect
1717 short option.
f773f3d2 1718
a15af8e2
RW		 17192009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1720
1721 * Makefile.am (am__skiplex, am__skipyacc): New.
1722 * Makefile.in: Regenerate.
1723
c462b41b
RW		 17242009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1725
14ec8efd
RW		 1726 * Makefile.am (AM_CPPFLAGS): Renamed from ...
1727 (INCLUDES): ... this.
1728 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
1729 (AM_CPPFLAGS): Renamed from ...
1730 (INCLUDE): ... this.
1731 * Makefile.in, testsuite/Makefile.in: Regenerate.
1732
81ecdfbb
RW		 1733 * Makefile.in: Regenerate.
1734 * aclocal.m4: Likewise.
1735 * config.in: Likewise.
1736 * configure: Likewise.
1737 * testsuite/Makefile.in: Likewise.
1738
c462b41b
RW		 1739 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1740 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
1741 * Makefile.in: Regenerate.
1742 * testsuite/Makefile.in: Regenerate.
1743
2da73f13
CC		 17442009-08-19 Cary Coutant <ccoutant@google.com>
1745
1746 * resolve.cc (Symbol_table::resolve): Don't complain about defined
1747 symbols in shared libraries overridden by hidden or internal symbols
1748 in the main program.
1749
2db70501
CD		 17502009-08-19 Chris Demetriou <cgd@google.com>
1751
1752 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
1753 checking source file names in error messages.
1754
f733487b
DK		 17552009-08-18 Doug Kwan <dougkwan@google.com>
1756
1757 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
1758 an elcpp::Ehdr as parameter. Adjust call to set_target.
1759 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
1760 an elfcpp::Ehdr as parameter.
1761 * object.cc (Object::set_target): Remove the version that looks up
1762 a target and sets it.
1763 (Sized_relobj::setup): Take a Target object instead of
1764 an elfcpp::Ehdr as parameter. Adjust call to set_target.
1765 (make_elf_sized_object): Find target and ask target to
1766 make an ELF object.
1767 * object.h: (Object::set_target): Remove the version that looks up
1768 a target and sets it.
1769 (Sized_relobj::setup): Take a Target object instead of
1770 an elfcpp:Ehdr as parameter.
1771 * target.cc: Include dynobj.h.
1772 (Target::do_make_elf_object_implementation): New.
1773 (Target::do_make_elf_object): New.
1774 * target.h (Target::make_elf_object): New template declaration.
1775 (Target::do_make_elf_object): New method declarations.
1776 (Target::do_make_elf_object_implementation): New template declaration.
1777
cc70f101
ILT		 17782009-08-14 Ian Lance Taylor <iant@google.com>
1779
1780 * gold.h (FUNCTION_NAME): Define.
1781 (gold_unreachable): Use FUNCTION_NAME.
1782
ef5e0cb1
ST		 17832009-08-12 Sriraman Tallam <tmsriram@google.com>
1784
1785 * icf.cc (Icf::find_identical_sections): Issue a warning when a
1786 symbol in the --keep-unique list is not found.
1787
48c187ce
ST		 17882009-08-12 Sriraman Tallam <tmsriram@google.com>
1789
1790 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
1791 been maked as --keep-unique.
1792 (Icf::unfold_section): New function.
1793 * icf.h (Icf::unfold_section): New function.
1794 * options.h (General_options::keep_unique): New option.
1795 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
1796 * testsuite/Makefile.in: Regenerate.
1797 * testsuite/icf_keep_unique_test.sh: New file.
1798 * testsuite/icf_keep_unique_test.cc: New file.
1799
645afe0c
CC		 18002009-08-12 Cary Coutant <ccoutant@google.com>
1801
1802 PR 10471
1803 * resolve.cc (Symbol_table::resolve): Check for references from
1804 dynamic objects to hidden and internal symbols.
1805 * testsuite/Makefile.am (hidden_test.sh): New test.
1806 * testsuite/Makefile.in: Regenerate.
1807 * testsuite/hidden_test.sh: New script.
1808 * testsuite/hidden_test_1.c: New test source.
1809 * testsuite/hidden_test_main.c: New test source.
1810
11af873f
DK		 18112009-08-11 Doug Kwan <dougkwan@google.com>
1812
1813 * arm.cc: Update comments.
1814 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
1815 segment to locate the .ARM.exidx section if present.
1816
b9f7d72d
DK		 18172009-08-09 Doug Kwan <dougkwan@google.com>
1818
1819 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
1820 patch.
1821
ddd3c53c
ST		 18222009-08-07 Sriraman Tallam <tmsriram@google.com>
1823 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
1824 compiler warnings.
1825
27721062
ST		 18262009-08-06 Sriraman Tallam <tmsriram@google.com>
1827
1828 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
1829 valid tls_segment only for non-debug-section relocations.
1830 * testsuite/Makefile.am: Add gc_tls_test.
1831 * testsuite/Makefile.in: Regenerate.
1832 * testsuite/gc_tls_test.cc: New file.
1833 * testsuite/gc_tls_test.sh: New file.
1834
ef15dade
ST		 18352009-08-05 Sriraman Tallam <tmsriram@google.com>
1836
1837 * icf.cc: New file.
1838 * icf.h: New file.
1839 * Makefile.am (CCFILES): Add icf.cc.
1840 (HFILES): Add icf.h
1841 * Makefile.in: Regenerate.
1842 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
1843 * gc.h (gc_process_relocs): Populate lists used by icf to contain
1844 section, symbol and addend information for the relocs.
1845 * gold.cc (queue_middle_tasks): Call identical code folding.
1846 * gold.h: Add defines for multimap.
1847 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
1848 to the call of finalize_local_symbols.
1849 * main.cc (main): Create object of class Icf.
1850 * object.cc (Sized_relobj::do_layout): Allow this function to be
1851 called twice during icf.
1852 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
1853 to sections marked as identical by icf.
1854 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
1855 when available.
1856 (Sized_relobj::do_section_entsize): New function.
1857 * object.h (Object::section_entsize): New function.
1858 (Object::do_section_entsize): New pure virtual function.
1859 (Relobj::finalize_local_symbols): Add new parameter.
1860 (Relobj::do_section_entsize): New function.
1861 * options.h (General_options::icf): New option.
1862 (General_options::icf_iterations): New option.
1863 (General_options::print_icf_sections): New option.
1864 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
1865 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
1866 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
1867 icf.
1868 * symtab.cc (Symbol_table::is_section_folded): New function.
1869 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
1870 to sections marked as identical by icf.
1871 * symtab.h (Symbol_table::set_icf): New function.
1872 (Symbol_table::icf): New function.
1873 (Symbol_table::is_section_folded): New function.
1874 (Symbol_table::icf_): New data member.
1875 * target-reloc.h (relocate_section): Ignore sections folded by icf.
1876 * testsuite/Makefile.am: Add commands to build icf_test.
1877 * testsuite/Makefile.in: Regenerate.
1878 * testsuite/icf_test.sh: New file.
1879 * testsuite/icf_test.cc: New file.
1880
c3b65ac4
CD		 18812009-07-24 Chris Demetriou <cgd@google.com>
1882
1883 * layout.cc (is_compressible_debug_section): Fix incorrect
1884 comment about compressed section names.
1885
1caf2c51
ILT		 18862009-07-20 Ian Lance Taylor <ian@airs.com>
1887
1888 PR 10419
1889 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
1890
1ef4d87f
ILT		 18912009-07-16 Ian Lance Taylor <iant@google.com>
1892
1893 PR 10400
1894 * layout.h: #include <map>.
1895 (class Kept_section): Change from struct to class. Add accessors
1896 and setters. Add section size to Comdat_group mapping. Change
1897 Comdat_group to std::map. Add is_comdat_ field. Add
1898 linkonce_size field in union.
1899 (class Layout): Update declaration of find_or_add_kept_section.
1900 Don't declare find_kept_object.
1901 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
1902 parameter. Add object, shndx, is_comdat, and is_group_name
1903 parameters. Change all callers. Adjust for new Kept_section.
1904 (Layout::find_kept_object): Remove.
1905 * object.cc (Sized_relobj::include_section_group): Update use of
1906 Kept_section. Rename secnum to shndx. Only record
1907 Kept_comdat_section if sections are the same size.
1908 (Sized_relobj::include_linkonce_section): Update use of
1909 Kept_section. Only record Kept_comdat_section if sections are the
1910 same size. Set size of linkonce section.
1911 (Sized_relobj::map_to_kept_section): Update call to
1912 get_kept_comdat_section.
1913 * object.h (class Sized_relobj): Rename fields in
1914 Kept_comdat_section to drop trailing underscores; change object
1915 field to Relobj*. Change Kept_comdat_section_table to store
1916 struct rather than pointer.
1917 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
1918 Add kept_object and kept_shndx parameters. Change all callers.
1919 (Sized_relobj::get_kept_comdat_section): Change return type to
1920 bool. Add kept_object and kept_shndx parameters. Change all
1921 callers.
1922 * plugin.cc (Pluginobj::include_comdat_group): Update call to
1923 Layout::find_or_add_kept_section.
1924
37c3b7b0
ILT		 19252009-07-09 Ian Lance Taylor <iant@google.com>
1926
1927 * merge.cc (Object_merge_map::initialize_input_to_output_map):
1928 Reserve space in the hash table.
1929
98fa85cb
ILT		 19302009-07-06 Mikolaj Zalewski <mikolajz@google.com>
1931
1932 * fileread.cc (File_read::get_mtime): New method.
1933 * fileread.h (Timespec): New structure.
1934 (File_read::get_mtime): New method.
1935 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
1936 Renamed from timestamp_nsec.
1937 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
1938 Elf_Xword.
1939 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
1940 timestamp_nsec.
1941 (Incremental_inputs::report_archive): Save mtime; style fix.
1942 (Incremental_inputs::report_obejct): Save mtime; style fix.
1943 (Incremental_inputs::report_script): Save mtime; style fix.
1944 (Incremental_inputs::finalize_inputs): Style fix.
1945 (Incremental_inputs::finalize): Style fix.
1946 (Incremental_inputs::create_input_section_data): Store inputs
1947 mtime.
1948 * incremental.h (Incremental_inputs::report_script): Add mtime
1949 argument.
1950 (Incremental_inputs::Input_info::Input_info): Intialize only one
1951 union member.
1952 (Incremental_inputs::Input_info::archive): Move to nameless
1953 union.
1954 (Incremental_inputs::Input_info::obejct): Move to nameless union.
1955 (Incremental_inputs::Input_info::script): Move to nameless union.
1956 (Incremental_inputs::mtime): New field.
1957 * script.cc (read_input_script): Pass file mtime to
1958 Incremental_input.
1959 * script.h (Script_info::inputs): Style fix.
1960
c9d70757
ILT		 19612009-07-01 Ian Lance Taylor <ian@airs.com>
1962
1963 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
1964 instead of 32.
1965
9c547ec3
ILT		 19662009-06-24 Ian Lance Taylor <iant@google.com>
1967
1968 PR 10156
1969 * layout.cc (Layout::choose_output_section): If we find an
1970 existing section, update the flags.
1971 (Layout::create_notes): New function, broken out of
1972 Layout::finalize.
1973 (Layout::finalize): Don't create note sections.
1974 (Layout::create_note): Don't crash if linker script discards
1975 section.
1976 (Layout::create_gold_note): Likewise.
1977 (Layout::create_build_id): Likewise. Don't set
1978 after_input_sections on the section.
1979 (Layout::create_executable_stack_info): Remove target parameter.
1980 Change caller.
1981 * layout.h (class Layout): Declare create_notes. Update
1982 declaration of create_executable_stack_info.
1983 * gold.cc (queue_middle_tasks): Call create_notes.
1984 * output.cc (Output_section::update_flags_for_input_section): Move
1985 here from output.h. If SHF_ALLOC flag is newly set, mark address
1986 invalid.
1987 * output.h (Output_data::mark_address_invalid): New function.
1988 (class Output_section): Only declare, not define,
1989 update_flags_for_input_section. Remove set_flags.
1990
55458500
ILT		 19912009-06-24 Ian Lance Taylor <iant@google.com>
1992
1993 * script-sections.cc (Output_section_definition::
1994 set_section_addresses): Rename shadowing local load_address to
1995 laddr.
1996
1307d6cd
ILT		 19972009-06-24 Ian Lance Taylor <iant@google.com>
1998
1999 PR 10244
2000 * reloc.cc (relocate_sections): Skip empty relocation sections.
2001
ec3f783e
ILT		 20022009-06-23 Ian Lance Taylor <iant@google.com>
2003
2004 PR 10156
2005 * layout.cc (Layout::create_note): Use choose_output_section
2006 rather than make_output_section.
2007
459c9f1c
ILT		 20082009-06-23 Ian Lance Taylor <iant@google.com>
2009
2010 PR 10237
2011 * options.cc (General_options::parse_V): Set printed_version_.
2012 (General_options::General_options): Initialize printed_version_.
2013 * options.h (class General_options): Add printed_version_ field.
2014 * gold.cc (queue_initial_tasks): If there are no input files,
2015 don't give a fatal error if we printed the version information.
2016 (queue_middle_tasks): If using -r with a shared object, give a
2017 fatal error rather than an ordinary error.
2018
1518dc8f
ILT		 20192009-06-23 Ian Lance Taylor <iant@google.com>
2020
2021 PR 10219
2022 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
2023 (Layout::make_output_section): Set have_stabstr_section_ if we see
2024 a .stab*str section.
2025 (Layout::finalize): Call link_stabs_sections.
2026 (Layout::link_stabs_sections): New file.
2027 * layout.h (class Layout): Add have_stabstr_section_ field.
2028 Declare link_stabs_sections.
2029
3d857b98
DK		 20302009-06-23 Doug Kwan <dougkwan@google.com>
2031
2032 * Makefile.am (libgold_a_LIBADD): New.
2033 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
2034 * Makefile.in: Regenerate.
2035 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
2036 * configure: Regenerate.
2037 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
2038 * fileread.cc: Include sys/state.h
2039 * gold.h: Declare memmem and strndup if found missing.
2040 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
2041
0639a6f6
ILT		 20422009-06-23 Ian Lance Taylor <iant@google.com>
2043
2044 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
2045 * configure: Rebuild.
2046
8d63875c
ILT		 20472009-06-23 Ian Lance Taylor <iant@google.com>
2048
2049 PR 10147
2050 * object.cc (Object::section_contents): Don't try to get a view if
2051 the section has length zero.
2052 (Object::handle_gnu_warning_section): If the section is empty, use
2053 the name of the section as the warning.
2054
f7c8a183
ILT		 20552009-06-23 Ian Lance Taylor <iant@google.com>
2056
2057 PR 10133
2058 * stringpool.h (class Stringpool_template): Add optimize_ field.
2059 (Stringpool_template::set_optimize): New function.
2060 * stringpool.cc (Stringpool_template::Stringpool_template):
2061 Initialize optimize_ field.
2062 (Stringpool_template::set_string_offsets): Test local optimize
2063 fild rather than parameter.
2064 * layout.cc (Layout::Layout): Call set_optimize on the section
2065 name stringpool.
2066
e6a307ba
ILT		 20672009-06-22 Ian Lance Taylor <iant@google.com>
2068
2069 PR 10030
2070 * yyscript.y: Parse TARGET.
2071 * script.cc (script_set_target): New function.
2072 * script-c.h (script_set_target): Declare.
2073 * options.cc (General_options::string_to_object_format): Rename
2074 from string_to_object_format in anonymous namespace. Change
2075 callers.
2076 * options.h (class General_options): Declare
2077 string_to_object_format.
2078
3ee173de
ILT		 20792009-06-22 Ian Lance Taylor <iant@google.com>
2080
2081 * script-sections.cc (Script_sections::create_segments): Don't put
2082 program headers in a PT_LOAD segment if -n or -N.
2083
20842009-06-22 Ian Lance Taylor <iant@google.com>
e1c74d60
ILT		 2085
2086 PR 10141
2087 * options.h (class General_options): Add -z lazy and -z now. Sort
2088 -z options into alphabetical order.
2089 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
2090
cd6739a1 20912009-06-21 Ian Lance Taylor <iant@google.com>
8a5e3e08
ILT		 2092
2093 * layout.cc (Layout::make_output_section): Call
2094 Target::new_output_section.
2095 (Layout::attach_allocated_section_to_segment): Put large section
2096 sections in a separate load segment with the large segment flag
2097 set.
2098 (Layout::segment_precedes): Sort large data segments after other
2099 load segments.
2100 (align_file_offset): New static function.
2101 (Layout::set_segment_offsets): Use align_file_offset.
2102 * output.h (class Output_section): Add is_small_section_ and
2103 is_large_section_ fields.
2104 (Output_section::is_small_section): New function.
2105 (Output_section::set_is_small_section): New function.
2106 (Output_section::is_large_section): New function.
2107 (Output_section::set_is_large_section): New function.
2108 (Output_section::is_large_data_section): New function.
2109 (class Output_segment): Add is_large_data_segment_ field.
2110 (Output_segment::is_large_data_segment): New function.
2111 (Output_segment::set_is_large_data_segment): New function.
2112 * output.cc (Output_section::Output_section): Initialize new
2113 fields.
2114 (Output_segment::Output_segment): Likewise.
2115 (Output_segment::add_output_section): Add assertion that large
2116 data sections always go in large data segments. Force small data
2117 sections to the end of the list of data sections. Force small BSS
2118 sections to the start of the list of BSS sections. For large BSS
2119 sections to the end of the list of BSS sections.
2120 * symtab.h (class Symbol): Declare is_common_shndx.
2121 (Symbol::is_defined): Check Symbol::is_common_shndx.
2122 (Symbol::is_common): Likewise.
2123 (class Symbol_table): Define enum Commons_section_type. Update
2124 declarations. Add small_commons_ and large_commons_ fields.
2125 * symtab.cc (Symbol::is_common_shndx): New function.
2126 (Symbol_table::Symbol_table): Initialize new fields.
2127 (Symbol_table::add_from_object): Put small and large common
2128 symbols in the right list.
2129 (Symbol_table::sized_finalized_symbol): Check
2130 Symbol::is_common_shndx.
2131 (Symbol_table::sized_write_globals): Likewise.
2132 * common.cc (Symbol_table::do_allocate_commons): Allocate new
2133 common symbol lists. Don't call do_allocate_commons_list if the
2134 list is empty.
2135 (Symbol_table::do_allocate_commons_list): Remove is_tls
2136 parameter. Add comons_section_type parameter. Change all
2137 callers. Handle small and large common symbols.
2138 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
2139 Symbol::is_common_shndx.
2140 * resolve.cc (symbol_to_bits): Likewise.
2141 * target.h (Target::small_common_shndx): New function.
2142 (Target::small_common_section_flags): New function.
2143 (Target::large_common_shndx): New function.
2144 (Target::large_common_section_flags): New function.
2145 (Target::new_output_section): New function.
2146 (Target::Target_info): Add small_common_shndx, large_common_shndx,
2147 small_common_section_flags, and large_common_section_flags
2148 fields.
2149 (Target::do_new_output_section): New virtual function.
2150 * arm.cc (Target_arm::arm_info): Initialize new fields.
2151 * i386.cc (Target_i386::i386_info): Likewise.
2152 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
2153 Likewise.
2154 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
2155 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2156 (Target_x86_64::do_new_output_section): New function.
2157 * configure.ac: Define conditional MCMODEL_MEDIUM.
2158 * testsuite/Makefile.am (check_PROGRAMS): Add large.
2159 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
2160 (large_LDFLAGS): Define.
2161 * testsuite/large.c: New file.
2162 * testsuite/testfile.cc (Target_test::test_target_info):
2163 Initialize new fields.
2164 * configure, testsuite/Makefile.in: Rebuild.
2165
bb04269c
DK		 21662009-06-05 Doug Kwan <dougkwan@google.com>
2167
2168 * Makefile.am (CCFILES): Add target.cc.
2169 * Makefile.in: Regenerate.
2170 * i386.cc (class Target_i386): Define new virtual method to
2171 override do_is_local_label_name in parent.
2172 * object.cc (Sized_relobj::do_count_local_symbols): Discard
2173 local symbols if --discard-locals or -X is given.
2174 * options.h (class General_options): Declare new options
2175 '--discard-locals' and '-X' for discarding locals.
2176 * target.h (class Target): Define new methods is_local_label_name.
2177 Declare new virtual method do_is_local_label_name.
2178 * target.cc: New file.
2179 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
2180 (check_SCRIPTS): Add discard_locals_test.sh.
2181 (check_DATA): Add discard_local_tests.syms.
2182 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
2183 (discard_local_tests.syms, discard_locals_test.o): New make rules.
2184 * testsuite/Makefile.in: Regenerate.
2185 * testsuite/discard_locals_test.c: New file.
2186 * testsuite/discard_locals_test.sh: Same.
2187
805bb01c
DK		 21882009-06-05 Doug Kwan <dougkwan@google.com>
2189
2190 * object.cc (Sized_relobj::Sized_relobj): Initialize
2191 discarded_eh_frame_shndx_ to -1U.
2192 (Sized_relobj::do_layout): Record index of a discard .eh_frame
2193 section.
2194 (Sized_relobj::do_count_local_symbols): Skip local symbols in
2195 a discarded .eh_frame section.
2196 (Sized_relobj::do_finalize_local_symbols): Ditto.
2197 * object.h (class Sized_relobj): Declare new member
2198 discarded_eh_frame_shndx_.
2199 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
2200 (local_labels_test.o, local_labels_test): New rules.
2201 * testsuite/Makefile.in: Regenerate.
2202
1dcd334d
DK		 22032009-06-04 Doug Kwan <dougkwan@google.com>
2204
2205 * layout.cc (Layout::section_name_mapping): Add mapping for
2206 special ARM sections.
2207
96d49306
DK		 22082009-06-03 Doug Kwan <dougkwan@google.com>
2209
2210 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
2211 (utils::has_overflow): Same.
2212
dff16297
ILT		 22132009-06-03 Ian Lance Taylor <iant@google.com>
2214
2215 * layout.cc (Layout::section_name_mapping): New array, replacing
2216 Layout::linkonce_mapping.
2217 (Layout::section_name_mapping_count): New variable, replacing
2218 Layout::linkonce_mapping_count.
2219 (Layout::linkonce_output_name): Remove.
2220 (Layout::output_section_name): Rewrite.
2221 * layout.h (class Layout): Rename Linkonce_mapping to
2222 Section_name_mapping, linkonce_mapping to section_name_mapping,
2223 linkonce_mapping_count to section_name_mapping_count. Don't
2224 declare linkonce_output_name.
2225
c121c671
DK		 22262009-06-03 Doug Kwan <dougkwan@google.com>
2227
2228 * gold/arm.cc (namespace utils): New.
2229 (Target_arm::reloc_is_non_pic): Define new method.
2230 (class Arm_relocate_functions): New.
2231 (Target_arm::Relocate::relocate): Handle relocation types used by
2232 Android.
2233
07800fab
ILT		 22342009-06-03 Ian Lance Taylor <iant@google.com>
2235
2236 * arm.cc (Target_arm::scan::global): Use || instead of |.
2237
c121c671
DK		 22382009-06-02 Doug Kwan <dougkwan@google.com>
2239
2240 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
2241 issued_non_pic_error_.
2242 (class Target_arm::Scan): Declare new method check_non_pic.
2243 Define new method symbol_needs_plt_entry.
2244 Declare new data member issued_non_pic_error_.
2245 (class Target_arm::Relocate): Declare new method
2246 should_apply_static_reloc.
2247 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
2248 (Target_arm::Scan::check_non_pic): Define new method.
2249 (Target_arm::Scan::local): Handle a small subset of reloc types used
2250 by Android.
2251 (Target_arm::Scan::local): Same.
2252 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
2253
b19b0c6d
ILT		 22542009-05-31 Mikolaj Zalewski <mikolajz@google.com>
2255
2256 * incremental.cc (Incremental_inputs::report_command_line): Filter
2257 out --incremental-* options.
2258
94cdfcff
DK		 22592009-05-29 Doug Kwan <dougkwan@google.com>
2260
2261 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
2262 template class.
2263 (class Target_arm): Update comment.
2264 (Target_arm::Target_arm): Initialize new data members GOT_,
2265 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
2266 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
2267 and Target_arm::rel_dyn_section.
2268 Declare new_enum Target_arm::Got_type.
2269 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
2270 and DYNBSS_.
2271 Update commments for member do_dynsym_value.
2272 (Target_arm::got_size, Target_arm::plt_section,
2273 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
2274 new methods inside class defintion.
2275 (Target_arm::got_section): Define new method.
2276 (Target_arm::rel_dyn_section): Same.
2277 (Output_data_plt_arm): New template class.
2278 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
2279 (Output_data_plt_arm:do_adjust_output_section): Define new method.
2280 (Output_data_plt_arm::add_entry): Same.
2281 (Output_data_plt_arm::first_plt_entry): Define new
2282 static data member for PLT instruction template.
2283 (Output_data_plt_arm::plt_entry): Same.
2284 (Output_data_plt_arm::do_write): Define new method.
2285 (Target_arm::make_plt_entry): Same.
2286 (Target_arm::do_finalize_sections): Same.
2287 (Target_arm::do_dynsym_value): Same.
2288
4a657b0d
DK		 22892009-05-28 Doug Kwan <dougkwan@google.com>
2290
2291 * Makefile.am (TARGETSOURCES): Add arm.cc.
2292 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
2293 * Makefile.in: Regenerate.
2294 * arm.cc: New file.
2295 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
2296
e7ae8c36
DK		 22972009-05-26 Doug Kwan <dougkwan@google.com>
2298
2299 * options.cc (General_options::parse_exclude_libs). Fix a comment.
2300 (General_options::check_excluded_libs): Strip off directories in
2301 archive name before matching like GNU ld does.
2302 * testsuite/Makefile.am (MOSTLYCLEANFILES,
2303 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
2304 (exclude_libs_test_LDFLAGS): Add linker option
2305 -Wl,--exclude-libs,libexclude_libs_test_3
2306 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
2307 an explicit archive without using -l.
2308 (alt/libexclude_libs_test_3.a): New make rule.
2309 * testsuite/Makefile.in: Regenerate.
2310 * testsuite/exclude_libs_test.c : Declare lib3_default().
2311 (main): Call it.
2312 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
2313 * exclude_libs_test_3.c: New file.
2314
f12e7348
NC		 23152009-05-26 Nick Clifton <nickc@redhat.com>
2316
2317 * po/id.po: New Indonesian translation.
2318 * po/gold.pot: Updated template file.
2319
4daadc0d
ST		 23202009-05-22 Sriraman Tallam <tmsriram@google.com>
2321
2322 * testsuite/Makefile.am: Add -ffunction-sections to compile
2323 gc_comdat_test files. Add -Wl,--gc-sections to build
2324 gc_comdat_test.
2325 * testsuite/Makefile.in: Regenerate.
2326 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
2327
531813ad
ST		 23282009-05-21 Sriraman Tallam <tmsriram@google.com>
2329
2330 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
2331 kept comdat section was garbage collected.
2332 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
2333 * testsuite/Makefile.in: Regenerate.
2334 * testsuite/gc_comdat_test.sh: New file.
2335 * testsuite/gc_comdat_test_1.cc: New file.
2336 * testsuite/gc_comdat_test_2.cc: New file.
2337
65514900
CC		 23382009-05-19 Doug Kwan <dougkwan@google.com>
2339
2340 * archive.cc (Archive::Archive): Move constructor from archive.h
2341 to here. Initialize no_export_.
2342 (Archive::get_elf_object_for_member): Set no_export flag of object.
2343 * archive.h (Archive::Archive): Move constructor body to
2344 archive.cc.
2345 (Archive::no_export): New method.
2346 (Archive::no_export_): New field.
2347 * object.h (Object::Object): Initialize no_export_ to false.
2348 (Object::no_export, Object::set_no_export): New methods.
2349 (Object::no_export_): New field.
2350 * options.cc (General_options::parse_exclude_libs): New method.
2351 (General_options::check_excluded_libs) Same.
2352 * options.h (exclude_libs): New option.
2353 (General_options::check_excluded_libs): New method declaration.
2354 (General_options::excluded_libs_): New field.
2355 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
2356 default or protected visibility if an object has no-export flag set.
2357 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
2358 (check_SCRIPTS): Add exclude_libs_test.sh.
2359 (check_DATA): Add exclude_libs_test.syms.
2360 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
2361 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
2362 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
2363 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
2364 (exclude_libs_test.syms, libexclude_libs_test_1.a,
2365 libexclude_libs_test_2.a): New rules.
2366 * testsuite/Makefile.in: Regenerate.
2367 * testsuite/exclude_libs_test.c: New file.
2368 * testsuite/exclude_libs_test.sh: Ditto.
2369 * testsuite/exclude_libs_test_1.c: Ditto.
2370 * testsuite/exclude_libs_test_2.c: Ditto.
2371
1b77ea50
ILT		 23722009-05-15 Ian Lance Taylor <iant@google.com>
2373
2374 * configure.ac: Check for declarations for cases where libiberty.h
2375 checks HAVE_DECL_xxx.
2376 * configure, config.in: Rebuild.
2377
072fe7ce
ILT		 23782009-05-15 Mikolaj Zalewski <mikolajz@google.com>
2379
2380 * gold.h (Incremental_argument_list): Remove (invalid) forward
2381 declaration.
2382 * incremental.cc (Incremental_inputs::report_achive): New method.
2383 (Incremental_inputs::report_object): New method.
2384 (Incremental_inputs::report_script): New method.
2385 (Incremental_inputs::finalize_inputs): New method.
2386 (Incremental_inputs::finalize): Call finalize_inputs().
2387 (Incremental_inputs::sized_create_incremental_inputs_section_data):
2388 Create inputs entries.
2389 * incremental.h (Incremental_input_type): New enum.
2390 (Incremental_inputs::Incremental_input): Initialize new fields.
2391 (Incremental_inputs::report_inputs): New method.
2392 (Incremental_inputs::report_achive): New method.
2393 (Incremental_inputs::report_object): New method.
2394 (Incremental_inputs::report_script): New method.
2395 (Incremental_inputs::finalize_inputs): New method.
2396 (Incremental_inputs::Input_info): New struct.
2397 (Incremental_inputs::Input_info_map): New typedef.
2398 (Incremental_inputs::lock_): New field.
2399 (Incremental_inputs::Inputs_): New field.
2400 (Incremental_inputs::Inputs_map): New field.
2401 * main.cc (main): Call Incremental_input::report_inputs.
2402 * options.h (Input_argument_list): Typedef moved from
2403 Input_arguments.
2404 (Input_file_group::Files): Remove, use ::Input_argument_list.
2405 (Input_file_group::Input_argument_list): Remove, use
2406 ::Input_argument_list.
2407 * plugin.cc (Plugin_manager::add_input_file): Add error in
2408 incremental build.
2409 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
2410 functions.
2411 * script.cc (read_input_script): Call
2412 Incremental_input::report_script.
2413 * script.h (Script_info): New class.
2414
b0481b0b
ILT		 24152009-04-27 Ian Lance Taylor <iant@google.com>
2416
2417 * x86_64.cc (do_adjust_output_section): Set entsize to
2418 plt_entry_size.
2419
b22a5a41 24202009-04-23 Elliott Hughes <enh@google.com>
6d1e3092
CD		 2421
2422 * output.cc (Output_file::close): After short writes, continue
2423 writing from the correct offset in the buffer being written.
2424
40fde488
CD		 24252009-04-23 Chris Demetriou <cgd@google.com>
2426
2427 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
2428 * configure: Regenerate.
2429 * config.in: Regenerate.
2430 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
2431 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
2432
3ce2c28e
ILT		 24332009-04-21 Mikolaj Zalewski <mikolajz@google.com>
2434
2435 * incremental.cc (Incremental_inputs_header_data): Renamed from
2436 Incremental_input_header_data.
2437 (Incremental_inputs_header_data::data_size): New field.
2438 (Incremental_inputs_header_data::put_input_file_count): Renamed
2439 from input_file_count.
2440 (Incremental_inputs_header_data::put_command_line_offset): Renamed
2441 from command_line_offset.
2442 (Incremental_inputs_header_data::put_reserved): Renamed from
2443 put_reserved.
2444 (Incremental_inputs_entry_data): Renamed from
2445 Incremental_input_entry_data.
2446 (Incremental_inputs_entry_data::data_size): New field.
2447 (Incremental_inputs::report_command_line): New method.
2448 (Incremental_inputs::finalize): New method.
2449 (Incremental_inputs::create_incremental_inputs_data): New method.
2450 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
2451 * incremental.h: New file.
2452 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
2453 (Layout::finalize): Create incremental inputs section in
2454 incremental builds.
2455 (Layout::create_incremental_info_sections): New method.
2456 * layout.h (Layout::incremental_inputs): New method.
2457 (Layout::create_incremental_info_sections): New method.
2458 (Layout::incremental_inputs_): New field.
2459 * main.cc (main): Notify Incremental_input of the command line.
2460
e55bde5e
ILT		 24612009-04-01 Ian Lance Taylor <iant@google.com>
2462 Mikolaj Zalewski <mikolajz@google.com>
2463
2464 * gold.h (reserve_unordered_map): Define, three versions, one for
2465 each version of Unordered_map.
2466 * layout.cc (Layout::Layout): Remove options parameter. Add
2467 number_of_input_files parameter. Don't initialize options_.
2468 Initialize number_of_input_files_ and resized_signatures_. Move
2469 sections_are_attached_.
2470 (Layout::layout_group): Reserve space for group_signatures_.
2471 (Layout::find_or_add_kept_section): Change name parameter to be a
2472 reference. Resize signatures_ map when it gets large enough.
2473 (Layout::layout_eh_frame): Use parameters->options() instead of
2474 this->options_.
2475 (Layout::make_output_section): Likewise.
2476 (Layout::attach_allocated_section_to_segment): Likewise.
2477 (Layout::finalize, Layout::create_executable_stack): Likewise.
2478 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
2479 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
2480 * layout.h (class Layout): Update declarations. Remove options_
2481 field. Add number_of_input_files_ and resized_signatures_
2482 fields. Move sections_are_attached_ field.
2483 * main.cc (main): Pass number of input files to Layout
2484 constructor. Don't pass options.
2485
154b857c
ILT		 24862009-03-30 Ian Lance Taylor <iant@google.com>
2487
2488 * ffsll.c (ffsll): Correct implementation.
2489
2f35ab9b
ILT		 24902009-03-27 Ian Lance Taylor <iant@google.com>
2491
fd03461a
ILT		 2492 * ffsll.c: New file.
2493 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
2494 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
2495 * ftruncate.c (ftruncate): Declare before definition.
2496 * mremap.c (mremap): Likewise.
2497 * pread.c (pread): Likewise.
2498 * configure, Makefile.in, config.in: Rebuild.
2499
2f35ab9b
ILT		 2500 * mremap.c: New file.
2501 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
2502 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
2503 (mremap): Declare if HAVE_MREMAP is not defined.
2504 * configure, Makefile.in, config.in: Rebuild.
2505
33aea2fd
CC		 25062009-03-27 Cary Coutant <ccoutant@google.com>
2507
2508 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
2509 position independent.
2510 * sparc.cc (Target_sparc::check_non_pic): Likewise.
2511 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
2512
6d479619
CC		 25132009-03-24 Cary Coutant <ccoutant@google.com>
2514
2515 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
2516 an executable.
2517 (needs_dynamic_reloc): Likewise.
2518
afc06bb8
ILT		 25192009-03-24 Ian Lance Taylor <iant@google.com>
2520
2521 * yyscript.y (file_cmd): Recognize EXTERN.
2522 (extern_name_list, extern_name_list_body): New nonterminals.
2523 * script.cc (script_add_extern): Define.
2524 * script-c.h (script_add_extern): Declare.
2525
f6060a4d
ILT		 25262009-03-24 Rafael Avila de Espindola <espindola@google.com>
2527
2528 * object.cc (is_elf_object): Define.
2529 * object.h (is_elf_object): Declare.
2530 * archive.cc (Archive::get_elf_object_for_member): Call
2531 is_elf_object.
33aea2fd 2532 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
f6060a4d 2533
26736d8e
ILT		 25342009-03-24 Elliott Hughes <enh@google.com>
2535
2536 * output.cc (Output_file::map_anonymous): Define.
2537 (Output_file::map): Use map_anonymous. If the regular mmap fails,
2538 try an anonymous one. Report the size if the mmap fails.
2539 * output.h (class Output_file): Declare map_anonymous.
2540
22fd9730
ILT		 25412009-03-24 Ian Lance Taylor <iant@google.com>
2542
2543 * target-select.cc (instantiate_target): Don't acquire the lock if
2544 the instantiated_target_ field has already been set.
2545
cb010894
ILT		 25462009-03-23 Ian Lance Taylor <iant@google.com>
2547
7f055c20
ILT		 2548 * gold-threads.h (class Initialize_lock): Define.
2549 * gold-threads.cc (class Initialize_lock_once): Define.
2550 (initialize_lock_control): New static variable.
2551 (initialize_lock_pointer): New static variable.
2552 (initialize_lock_once): New static function.
2553 (Initialize_lock::Initialize_lock): Define.
2554 (Initialize_lock::initialize): Define.
2555 * target-select.h: Include "gold-threads.h".
2556 (class Target_selector): Add lock_ and initialize_lock_ fields.
2557 Don't define instantiate_target, just declare it.
2558 * target-select.cc (Target_selector::Target_selector): Initialize
2559 new fields.
2560 (Target_selector::instantiate_target): Define.
2561 * descriptors.h: Include "gold-threads.h".
2562 (class Descriptors): Add initialize_lock_ field.
2563 * descriptors.cc (Descriptors::Descriptors): Initialize new
2564 field.
2565 (Descriptors::open): Use initialize_lock_ field
2566 * errors.h (class Errors): Add initialize_lock_ field.
2567 * errors.cc (Errors::Errors): Initialize new field.
2568 (Errors::initialize_lock): Use initialize_lock_ field.
2569 * powerpc.cc (class Target_selector_powerpc): Remove
2570 instantiated_target_ field. In do_recognize call
2571 instantiate_target rather than do_instantiate_target. In
2572 do_instantiate_target just allocate a new target.
2573 * sparc.cc (class Target_selector_sparc): Likewise.
2574
36959681
ILT		 2575 * freebsd.h: New file.
2576 * i386.cc: Include "freebsd.h".
2577 (Target_i386): Derive from Target_freebsd rather than
2578 Sized_target.
2579 (Target_selector_i386): Derive from Target_selector_freebsd rather
2580 than Target_selector.
2581 * x86_64.cc: Include "freebsd.h".
2582 (Target_x86_64): Derive from Target_freebsd rather than
2583 Sized_target.
2584 (Target_selector_x86_64): Derive from Target_selector_freebsd
2585 rather than Target_selector.
2586 * target.h (class Target): Add adjust_elf_header and
2587 do_adjust_elf_header.
2588 * output.cc (Output_file_header:: do_sized_write): Call target
2589 adjust_elf_header routine.
2590 * configure.tgt: Set targ_osabi.
2591 * configure.ac: Define GOLD_DEFAULT_OSABI.
2592 * parameters.cc (Parameters::default_target): Pass
2593 GOLD_DEFAULT_OSABI to select_target.
2594 * target-select.h (class Target_selector): Make instantiate_target
2595 protected rather than private.
2596 * Makefile.am (HFILES): Add freebsd.h.
2597 * configure, Makefile.in, config.in: Rebuild.
2598
cb010894
ILT		 2599 * merge.cc (do_add_input_section): Correct pend value. Change
2600 message about last entry not being null terminated from error to
2601 warning.
2602
0e879927
ILT		 26032009-03-20 Mikolaj Zalewski <mikolajz@google.com>
2604
2605 * incremental.cc: New file.
2606 * Makefile.am (CCFILES): Add incremental.cc.
2607 * Makefile.in: Rebuild.
2608
41105937
PP		 26092009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
2610
2611 * layout.cc (Layout::output_section_name): Preserve names
2612 of '.note.' sections.
2613
60439920
ILT		 26142009-03-19 Ian Lance Taylor <iant@google.com>
2615
2616 * descriptors.cc (Descriptors::open): Check that the options are
2617 valid before using them.
2618
0d371ad3
ILT		 26192009-03-18 Ian Lance Taylor <iant@google.com>
2620
2621 * script-sections.h: Include <list>.
2622 (class Script_sections): Change Sections_elements from std::vector
2623 to std::list. Typedef public Elements_iterator. Add
2624 orphan_section_placement_, data_segment_align_start_, and
2625 saw_data_segment_align_ fields. Remove data_segment_align_index_
2626 field.
2627 * script-sections.cc (class Orphan_section_placement): New class.
2628 (class Sections_element): Add virtual functions is_relro and
2629 orphan_section_init. Remove virtual function place_orphan_here.
2630 (class Output_section_definition): Add is_relro and
2631 orphan_section_init. Remove place_orphan_here.
2632 (class Orphan_output_section): Likewise.
2633 (Script_sections::Script_sections): Update for field changes.
2634 (Script_sections::data_segment_align): Set saw_data_segment_align_
2635 and data_segment_align_start_, not data_segment_align_index.
2636 (Script_sections::data_segment_relro_end): Check
2637 saw_data_segment_align_. Use data_segment_align_start_ rather
2638 than data_segment_align_index_.
2639 (Script_sections::place_orphan): Rewrite to use
2640 Orphan_section_placement.
2641
9201d894
ILT		 26422009-03-17 Ian Lance Taylor <iant@google.com>
2643
9c5b8369
ILT		 2644 * archive.cc (Archive::add_symbols): Check for a version attached
2645 to the symbol name in the archive map.
2646 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
2647 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
2648 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
2649 (ver_test_11.a): New target.
2650 * testsuite/Makefile.in: Rebuild.
2651
9201d894
ILT		 2652 * configure.ac: Check for chsize and posix_fallocate. Replace
2653 ftruncate.
2654 * ftruncate.c: New file, from gnulib.
2655 * output.cc (posix_fallocate): Define dummy version if not
2656 HAVE_POSIX_FALLOCATE.
2657 (Output_file::map): Call posix_fallocate rather than lseek and
2658 write.
2659 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
2660 * configure, Makefile.in, config.in: Rebuild.
2661
ef4ab7a8
PP		 26622009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
2663
2664 * layout.h (Layout::create_note): Add section_name parameter.
2665 * layout.cc (Layout::create_note): Likewise.
2666 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
2667
8c500701
ILT		 26682009-03-17 Ian Lance Taylor <iant@google.com>
2669
e85b18e1
ILT		 2670 * descriptors.cc: Include "options.h".
2671 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
2672 (Descriptors::open): Always use O_CLOEXEC when opening a new
2673 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
2674 then set FD_CLOEXEC.
2675
9efe6174
ILT		 2676 * sparc.cc (class Target_sparc): Add has_got_section.
2677 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
2678 make sure we have a GOT section.
2679
2680 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
2681 (Target_sparc::Scan::local): Likewise.
2682 (Target_sparc::Scan::global): Likewise.
2683 (Target_sparc::Relocate::relocate): Likewise.
2684 (Target_sparc::Relocate::relocate_tls): Likewise.
2685
8c500701
ILT		 2686 * symtab.cc (Symbol_table::define_default_version): New function,
2687 broken out of add_from_object.
2688 (Symbol_table::add_from_object): Call define_default_version.
2689 (Symbol_table::define_special_symbol): Add resolve_oldsym
2690 parameter. Change all callers. If the version for a symbol comes
2691 from a version script, resolve it with the symbol with the same
2692 name with no version. Also add the symbol without a version if
2693 appropriate.
2694 (do_define_in_output_data): If resolving with oldsym, don't delete
2695 sym.
2696 (do_define_in_output_segment): Likewise.
2697 (do_define_as_constant): Likewise.
2698 * symtab.h (class Symbol_table): Update declarations.
2699
f1ed28fb
ILT		 27002009-03-13 Ian Lance Taylor <iant@google.com>
2701
15f8229b
ILT		 2702 * readsyms.cc (Read_symbols::incompatible_warning): New function.
2703 (Read_symbols::requeue): New function.
2704 (Read_symbols::do_read_symbols): If make_elf_object fails because
2705 the target type is not configured, and the file was searched for,
2706 issue a warning and retry with the next directory.
2707 (Add_symbols::run): If the file has an incompatible format, and
2708 it was searched for, requeue the Read_symbols task. On error,
2709 release the object.
2710 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
2711 dirindex parameter to constructor. Change all callers. Declare
2712 incompatible_warning and requeue.
2713 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
2714 input_argument_ and input_group_ fields. Add them to
2715 constructor. Change all callers.
2716 (class Read_script): Add dirindex_ field. Add it to constructor.
2717 Change all callers.
2718 * archive.cc (Archive::setup): Remove input_objects parameter.
2719 Change all callers.
2720 (Archive::get_file_and_offset): Likewise.
2721 (Archive::read_all_symbols): Likewise.
2722 (Archive::read_symbols): Likewise.
2723 (Archive::get_elf_object_for_member): Remove input_objects
2724 parameter. Add punconfigured parameter. Change all callers.
2725 (Archive::add_symbols): Change return type to bool. Check return
2726 value of include_member.
2727 (Archive::include_all_members): Likewise.
2728 (Archive::include_member): Change return type to bool. Return
2729 false if first included object has incompatible target. Set
2730 included_member_ field.
2731 (Add_archive_symbols::run): If add_symbols returns false, requeue
2732 Read_symbols task.
2733 * archive.h (class Archive): Add included_member_ field.
2734 Initialize it in constructor. Add input_file and searched_for
2735 methods. Update declarations.
2736 (class Add_archive_symbols): Add dirpath_, dirindex_, and
2737 input_argument_ fields. Add them to constructor. Change all
2738 callers.
2739 * script.cc: Include "target-select.h".
2740 (class Parser_closure): Add skip_on_incompatible_target_ and
2741 found_incompatible_target_ fields. Add
2742 skip_on_incompatible_target parameter to constructor. Change all
2743 callers. Add methods skip_on_incompatible_target,
2744 clear_skip_on_incompatible_target, found_incompatible_target, and
2745 set_found_incompatible_target.
2746 (read_input_script): Add dirindex parameter. Change all callers.
2747 If parser finds an incompatible target, requeue Read_symbols
2748 task.
2749 (script_set_symbol): Clear skip_on_incompatible_target in
2750 closure.
2751 (script_add_assertion, script_parse_option): Likewise.
2752 (script_start_sections, script_add_phdr): Likewise.
2753 (script_check_output_format): New function.
2754 * script.h (read_input_script): Update declaration.
2755 * script-c.h (script_check_output_format): Declare.
2756 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
2757 (ignore_cmd): Remove OUTPUT_FORMAT.
2758 * fileread.cc (Input_file::Input_file): Add explicit this.
2759 (Input_file::will_search_for): New function.
2760 (Input_file::open): Add pindex parameter. Change all callers.
2761 * fileread.h (class Input_file): Add input_file_argument method.
2762 Declare will_search_for. Update declarations.
2763 * object.cc (make_elf_object): Add punconfigured parameter.
2764 Change all callers.
2765 * object.h (class Object): Make input_file public. Add
2766 searched_for method.
2767 (make_elf_object): Update declaration.
2768 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
2769 restart search.
2770 * dirsearch.h (class Dirsearch): Update declaration.
2771 * options.h (class General_options): Add --warn-search-mismatch.
2772 * parameters.cc (Parameters::is_compatible_target): New function.
2773 * parameters.h (class Parameters): Declare is_compatible_target.
2774 * workqueue.cc (Workqueue::add_blocker): New function.
2775 * workqueue.h (class Workqueue): Declare add_blocker.
2776
f1ed28fb
ILT		 2777 * fileread.cc (Input_file::open): Remove options parameter.
2778 Change all callers.
2779 (Input_file::open_binary): Likewise.
2780 * script.cc (read_input_script): Likewise.
2781 * readsyms.h (class Read_symbols): Remove options_ field. Remove
2782 options parameter from constructor. Change all callers.
2783 (class Read_script): Likewise.
2784 * fileread.h (class Input_file): Update declarations.
2785 * script.h (read_input_script): Update declaration.
2786
34dd024a
NC		 27872009-03-10 Nick Clifton <nickc@redhat.com>
2788
2789 * po/es.po: New Spanish translation.
2790
6d71b17c
CC		 27912009-03-06 Cary Coutant <ccoutant@google.com>
2792
2793 * options.cc (parse_short_option): Keep dash_z from registering itself.
2794
031cdbed
ILT		 27952009-03-03 Ian Lance Taylor <iant@google.com>
2796
2797 PR 9918
2798 * target-reloc.h (relocate_section): Pass output_section to
2799 relocate.
2800 * i386.cc (Target_i386::should_apply_static_reloc): Add
2801 output_section parameter. Change all callers.
2802 (Target_i386::Relocate::relocate): Add output_section parameter.
2803 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
2804 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
2805 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
2806 * testsuite/two_file_shared.sh: New script.
2807 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
2808 (check_DATA): Add two_file_shared.dbg.
2809 (two_file_shared.dbg): New target.
2810 * testsuite/Makefile.in: Rebuild.
2811
15d5fa16
ILT		 28122009-03-01 Ian Lance Taylor <iant@google.com>
2813
2814 * configure.ac: Check for byteswap.h.
2815 * configure: Rebuild.
2816 * config.in: Rebuild.
2817
8a4c0b0d
ILT		 28182009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2819
2820 * layout.cc (Layout::find_or_add_kept_section): New function.
2821 (Layout::add_comdat): Removed.
2822 * layout.h (struct Kept_section): Move out of class Layout.
2823 Remove trailing underscores from field names. Add group_sections
2824 field. Rename group_ field to is_group. Change all uses.
2825 (class Layout): Declare find_or_add_kept_section, not add_comdat.
2826 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
2827 comdat_groups_ field.
2828 (Sized_relobj::include_section_group): Use
2829 find_or_add_kept_section and Kept_section::group_sections.
2830 (Sized_relobj::include_linkonce_section): Likewise.
2831 * object.cc (class Sized_relobj): Don't define Comdat_group or
2832 Comdat_group_table. Remove find_comdat_group and
2833 add_comdat_group. Remove comdat_groups_ field.
2834 * plugin.cc (include_comdat_group): Use
2835 Layout::find_or_add_kept_section.
2836
b4ecf66b
ILT		 28372009-02-28 Ian Lance Taylor <iant@google.com>
2838
14359ca0
ILT		 2839 * README: --gc-sections and map files are now supported. Document
2840 some build requirements.
2841
b4ecf66b
ILT		 2842 PR 6992
2843 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
2844 relocatable link set the value of the section symbol to zero.
2845 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
2846 relocatable link don't include the section address in the local
2847 symbol value.
2848
0602e05a
ILT		 28492009-02-27 Ian Lance Taylor <iant@google.com>
2850
fd9d194f
ILT		 2851 PR 6811
2852 * options.h (class Search_directory): Add is_system_directory.
2853 (class General_options): Declare is_in_system_directory.
2854 * options.cc (get_relative_sysroot): Make static.
2855 (get_default_sysroot): Make static.
2856 (General_optoins::is_in_system_directory): New function.
2857 * fileread.cc (Input_file::is_in_system_directory): New function.
2858 * fileread.h (class Input_file): Declare is_in_system_directory.
2859 * object.h (class Object): Add is_in_system_directory.
2860 (class Input_objects): Remove system_library_directory_ field.
2861 * object.cc (Input_objects::add_object): Don't set
2862 system_library_directory_.
2863 (input_objects::found_in_system_library_directory): Remove.
2864 * symtab.cc (Symbol_table::write_globals): Remove input_objects
2865 parameter. Change all callers.
2866 (Symbol_table::sized_write_globals): Likewise.
2867 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
2868 Call Object::is_in_system_directory.
2869 * symtab.h (class Symbol_table): Update declarations.
2870
61edd21f
ILT		 2871 PR 5990
2872 * descriptors.h (Open_descriptor): Add is_on_stack field.
2873 * descriptors.cc (Descriptors::open): If the descriptor is on the
2874 top of the stack, remove it. Initialize is_on_stack field.
2875 (Descriptors::release): Only add pod to stack if it is not on the
2876 stack already.
2877 (Descriptors::close_some_descriptor): Clear stack_next and
2878 is_on_stack fields.
2879
e29e076a
ILT		 2880 PR 7091
2881 * output.cc (Output_section::find_starting_output_address): Rename
2882 from starting_output_address; add PADDR parameter; change return
2883 type.
2884 * output.h (class Output_section): Declare
2885 find_starting_output_address instead of starting_output_address.
2886 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
2887 section symbol for which we can't find a merge section.
2888
0602e05a
ILT		 2889 PR 9836
2890 * symtab.cc (Symbol_table::add_from_object): If the visibility is
2891 hidden or internal, force the symbol to be local.
2892 * resolve.cc (Symbol::override_visibility): Define.
2893 (Symbol::override_base): Use override_visibility.
2894 (Symbol_table::resolve): Likewise.
2895 (Symbol::override_base_with_special): Likewise.
2896 (Symbol_table::override_with_special): If the visibility is hidden
2897 or internal, force the symbol to be local.
2898 * symtab.h (class Symbol): Add set_visibility and
2899 override_visibility.
2900 * testsuite/ver_test_1.sh: New file.
2901 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
2902 (check_DATA): Add ver_test_1.syms.
2903 (ver_test_1.syms): New target.
2904 * testsuite/Makefile.in: Rebuild.
2905
401a9a73
CC		 29062009-02-25 Cary Coutant <ccoutant@google.com>
2907
2908 * layout.cc (Layout::choose_output_section): Don't rename sections
2909 when using a linker script that has a SECTIONS clause.
2910 * Makefile.in: Regenerate.
2911
2912 * testsuite/Makefile.am (script_test_5.sh): New test case.
2913 * testsuite/Makefile.in: Regenerate.
2914 * testsuite/script_test_5.cc: New file.
2915 * testsuite/script_test_5.sh: New file.
2916 * testsuite/script_test_5.t: New file.
2917
f488e4b0
CC		 29182009-02-13 Rafael Avila de Espindola <espindola@google.com>
2919
2920 * archive.cc (Archive::include_member): Update calls to add_symbols.
2921 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
2922 the Layout argument.
2923 * dynobj.h (do_add_symbols): Add the Layout argument.
2924 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
2925 Layout argument.
2926 * object.h (Object::add_symbols): Add the Layout argument.
2927 (Object::do_add_symbols): Add the Layout argument.
2928 (Sized_relobj::do_add_symbols): Add the Layout argument.
2929 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
2930 Unify the two versions.
2931 (Add_plugin_symbols): Remove.
2932 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
2933 (Sized_pluginobj::do_add_symbols): Unify the two versions.
2934 (Add_plugin_symbols): Remove.
2935 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
2936 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
2937 (Add_symbols::run): Make it work with Pulginobj.
2938
89dd1680
ILT		 29392009-02-06 Ian Lance Taylor <iant@google.com>
2940
2941 * object.cc (Sized_relobj::do_layout): Make info message start
2942 with lower case letter.
2943
266d0a74
ILT		 29442009-02-06 Mikolaj Zalewski <mikolajz@google.com>
2945
602b464e
ILT		 2946 * binary.cc: Fix file comment.
2947
266d0a74
ILT		 2948 * options.h (enum Incremental_disposition): Define.
2949 (class General_options): Add new options: --incremental,
2950 --incremental_changed, --incremental_unchanged,
2951 --incremental_unknown. Add incremental_disposition_ and
2952 implicit_incremental_ fields.
2953 (General_options::incremental_disposition): New function.
2954 (class Position_dependent_options): Add incremental_disposition
2955 option.
2956 (Position_dependent_options::copy_from_options): Set incremental
2957 dispositions.
2958 * options.cc (General_options::parse_incremental_changed): New
2959 function.
2960 (General_options::parse_incremental_unchanged): New function.
2961 (General_options::parse_incremental_unknown): New function.
2962 (General_options::General_options): Initialize new fields
2963 incremental_disposition_ and implicit_incremental_.
2964 (General_options::finalize): Check for uasge of --incremental-*
2965 without --incremental.
2966
f073bbf7
CD		 29672009-02-06 Chris Demetriou <cgd@google.com>
2968
2969 * gold.h (gold_undefined_symbol): Change to take only a Symbol
2970 pointer and to report location as the file name associated with
2971 the symbol.
2972 (gold_undefined_symbol_at_location): New function to replace the
2973 old gold_undefined_symbol functionality.
2974 * target-reloc.h (relocate_section): Update to use
2975 gold_undefined_symbol_at_location.
2976 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
2977 Call gold_undefined_symbol function rather than gold_error.
2978 * errors.h (Errors::undefined_symbol): Take location as a
2979 string, rather than calculating it from a relocation.
2980 * errors.cc (Errors::fatal): Print "fatal error:" before the
2981 formatted message.
2982 (Errors::error, Errors::error_at_location): Print "error: "
2983 before the formatted message.
2984 (Errors::undefined_symbol): Take location as a string, rather
2985 than calculating it from a relocation.
2986 (gold_undefined_symbol_at_location): New function akin to
2987 old gold_undefined_symbol, calculates location from relocation.
2988 (gold_undefined_symbol): Change to take only a Symbol pointer
2989 and to report location as the file name associated with the symbol.
2990 * testsuite/debug_msg.sh: Update for changed error messages.
2991 * testsuite/undef_symbol.sh: Likewise.
2992
8e94a90c
ILT		 29932009-02-04 Duncan Sands <baldrick@free.fr>
2994
2995 PR 9812
2996 * reduced_debug_output.h
2997 (Output_reduced_debug_abbrev_section::failed): Use format for
2998 gold_warning.
2999 (Output_reduced_debug_info_section::faild): Likewise.
3000
88a0e15b
ILT		 30012009-01-31 Mikolaj Zalewski <mikolajz@google.com>
3002
3003 * script.cc (Lazy_demangler): New class.
3004 (Version_script_info::get_symbol_version_helper): Demangle a
3005 symbol only once.
3006
5efc7cd2
CC		 30072009-01-29 Cary Coutant <ccoutant@google.com>
3008
3009 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
3010 to __tls_get_addr.
3011 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
3012
e0ebcf42
ILT		 30132009-01-28 Ian Lance Taylor <iant@google.com>
3014
5efc7cd2 3015 * version.cc (version_string): Bump to 1.9.
75fe7426 3016
e0ebcf42
ILT		 3017 * gold.h: Include <cstring> and <stdint.h>.
3018 * version.cc: Include <cstdio>.
3019 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
3020 warning.
3021 * reduced_debug_output.cc (insert_into_vector): Rename from
3022 Insert_into_vector; change all callers. Use Swap_unaligned to
3023 avoid aliasing issue; remove union since it is unnecessary.
3024
8e2813be 30252009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 3026
3027 * Makefile.am (CCFILES): Add gc.cc.
3028 (HFILES): Add gc.h.
3029 * Makefile.in: Regenerate.
3030 * gold.cc (Gc_runner): New class.
3031 (queue_initial_tasks): Call garbage collection related tasks
3032 when corresponding options are invoked.
3033 (queue_middle_gc_tasks): New function.
3034 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
3035 processed early before laying out sections during garbage collection.
3036 * gold.h (queue_middle_gc_tasks): New function.
3037 (is_prefix_of): Move from "layout.cc".
3038 * i386.cc (Target_i386::gc_process_relocs): New function.
3039 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
3040 * main.cc (main): Create object of class "Garbage_collection".
3041 * object.cc (Relobj::copy_symbols_data): New function.
3042 (Relobj::is_section_name_included): New function.
3043 (Sized_relobj::do_layout): Allow this function to be called twice
3044 during garbage collection and defer layout of section during the
3045 first call.
3046 * object.h (Relobj::get_symbols_data): New function.
3047 (Relobj::is_section_name_included): New function.
3048 (Relobj::copy_symbols_data): New function.
3049 (Relobj::set_symbols_data): New function.
3050 (Relobj::get_relocs_data): New function.
3051 (Relobj::set_relocs_data): New function.
3052 (Relobj::is_output_section_offset_invalid): New pure virtual function.
3053 (Relobj::gc_process_relocs): New function.
3054 (Relobj::do_gc_process_relocs): New pure virtual function.
3055 (Relobj::sd_): New data member.
3056 (Sized_relobj::is_output_section_offset_invalid): New function.
3057 (Sized_relobj::do_gc_process_relocs): New function.
3058 * options.h (General_options::gc_sections): Modify to not be a no-op.
3059 (General_options::print_gc_sections): New option.
3060 * plugin.cc (Plugin_finish::run): Remove function call to
3061 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
3062 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
3063 * reloc.cc (Read_relocs::run): Add task to process relocs and
3064 determine unreferenced sections when doing garbage collection.
3065 (Gc_process_relocs): New class.
3066 (Sized_relobj::do_gc_process_relocs): New function.
3067 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
3068 sections that are garbage collected.
3069 * reloc.h (Gc_process_relocs): New class.
3070 * sparc.cc (Target_sparc::gc_process_relocs): New function.
3071 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
3072 symbols whose corresponding sections are garbage collected.
3073 (Symbol_table::Symbol_table): Add new parameter for the garbage
3074 collection object.
3075 (Symbol_table::gc_mark_undef_symbols): New function.
3076 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3077 (Symbol_table::gc_mark_dyn_syms): New function.
3078 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
3079 as garbage.
3080 (Symbol_table::add_from_object): Likewise.
3081 (Symbol_table::add_from_relobj): When building shared objects, do not
3082 treat externally visible symbols as garbage.
3083 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
3084 table information for static and relocatable links.
3085 * symtab.h (Symbol_table::set_gc): New function.
3086 (Symbol_table::gc): New function.
3087 (Symbol_table::gc_mark_undef_symbols): New function.
3088 (Symbol_table::gc_mark_symbol_for_shlib): New function.
3089 (Symbol_table::gc_mark_dyn_syms): New function.
3090 (Symbol_table::gc_): New data member.
3091 * target.h (Sized_target::gc_process_relocs): New pure virtual
3092 function.
3093 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
3094 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
3095
3b293544
CF		 30962009-01-20 Chris Faylor <me.sourceware@sourceware.org>
3097
3098 * options.h (General_options::gc_sections): Define as a no-op for now.
3099 (General_options::no_keep_memory): Ditto.
3100 (General_options::Bshareable): Define.
3101 * options.cc (General_options::finalize): Honor -Bshareable.
3102
83d22aa8
AS		 31032009-01-20 Andreas Schwab <schwab@suse.de>
3104
3105 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
3106 read the value in the contents, since we don't use it. Use the
3107 template endianness when writing.
3108 (Relocate::relocate): Use it for R_PPC_REL16_HA.
3109
cd536b21
AS		 31102009-01-19 Andreas Schwab <schwab@suse.de>
3111
3112 * configure.tgt (powerpc64-*): Fix targ_obj.
3113
99e9a495
ILT		 31142009-01-15 Ian Lance Taylor <iant@google.com>
3115
3116 * object.cc (Sized_relobj::write_local_symbols): Don't write out
3117 local symbols when stripping all symbols.
3118
bbbfea06
CC		 31192009-01-14 Cary Coutant <ccoutant@google.com>
3120
99e9a495 3121 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 3122
0f7c0701
CC		 31232009-01-14 Cary Coutant <ccoutant@google.com>
3124
3125 * archive.cc (Archive::get_elf_object_for_member): Remove call
3126 to File_read::claim_for_plugin.
3127 * descriptors.cc (Descriptors::open): Remove reference to
3128 is_claimed.
3129 (Descriptors::claim_for_plugin): Remove.
3130 * descriptors.h (Descriptors::claim_for_plugin): Remove.
3131 (Descriptors::is_claimed): Remove.
3132 (claim_descriptor_for_plugin): Remove.
3133 * fileread.cc (File_read::claim_for_plugin): Remove.
3134 * fileread.h (File_read::claim_for_plugin): Remove.
3135 (File_read::descriptor): Reopen descriptor if necessary.
3136 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
3137 (Plugin_manager::all_symbols_read): Add task parameter. Change
3138 all callers.
3139 (Plugin_manager::get_input_file): New function.
3140 (Plugin_manager::release_input_file): New function.
3141 (Pluginobj::Pluginobj): Add filesize parameter and initialize
3142 corresponding data member.
3143 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
3144 and pass to base constructor. Change all callers.
3145 (get_input_file, release_input_file): New functions.
3146 (make_sized_plugin_object): Add filesize parameter. Change all callers.
3147 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
3148 (Plugin_manager::all_symbols_read): Add task parameter.
3149 (Plugin_manager::get_input_file): New function.
3150 (Plugin_manager::release_input_file): New function.
3151 (Plugin_manager::task_): New data member.
3152 (Pluginobj::Pluginobj): Add filesize parameter.
3153 (Pluginobj::filename): New function.
3154 (Pluginobj::descriptor): New function.
3155 (Pluginobj::filesize): New function.
3156 (Pluginobj::filesize_): New data member.
3157 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
3158 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
3159 File_read::claim_for_plugin; use Object::unlock to unlock the file.
3160
3161 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
3162 with archive libraries.
3163 * testsuite/Makefile.in: Regenerate.
3164 * testsuite/plugin_test.c (struct sym_info): New type.
3165 (get_input_file, release_input_file): New static variables.
3166 (onload): Capture new transfer vector entries.
3167 (claim_file_hook): Stop reading at end of file according to filesize.
3168 Factor out parsing of readelf output into separate function.
3169 (all_symbols_read_hook): Exercise get_input_file and release_input_file
3170 APIs and get the source file name from the symbol table. Convert
3171 source file name to corresponding object file name. Print info
3172 message when adding new input files.
3173 (parse_readelf_line): New function.
3174 * testsuite/plugin_test_1.sh: Add checks for new info messages.
3175 * testsuite/plugin_test_2.sh: Likewise.
3176 * testsuite/plugin_test_3.sh: Likewise.
3177 * testsuite/plugin_test_4.sh: New test case.
3178
62a6d109
ILT		 31792009-01-07 Ian Lance Taylor <iant@google.com>
3180
3181 * version.cc (version_string): Bump to 1.8.
3182
483620e8
CC		 31832008-12-23 Cary Coutant <ccoutant@google.com>
3184
3185 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
3186 * plugin.cc (Plugin_manager::finish): Rename as
3187 layout_deferred_objects. Move cleanup to separate function.
3188 (Plugin_manager::cleanup): New function.
3189 (Plugin_finish::run): Call layout_deferred_objects and cleanup
3190 separately.
3191 * plugin.h (Plugin_manager::finish): Rename as
3192 layout_deferred_objects.
3193 (Plugin_manager::cleanup): New function.
3194 (Plugin_manager::cleanup_done): New field.
3195
d66a9eb3
CC		 31962008-12-23 Cary Coutant <ccoutant@google.com>
3197
3198 * plugin.cc (is_visible_from_outside): New function.
3199 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
3200 so we don't return "IR only" status for exported symbols or -r links.
3201
3202 * testsuite/Makefile.am (plugin_test_3): New test case.
3203 * testsuite/Makefile.in: Regenerate.
3204 * testsuite/plugin_test_3.sh: New file.
3205
5995b570
CC		 32062008-12-22 Cary Coutant <ccoutant@google.com>
3207
3208 * object.cc (Sized_relobj::layout_section): New function.
3209 (Sized_relobj::do_layout): Defer layout of input sections until after
3210 plugin has provided replacement files.
3211 (Sized_relobj::do_layout_deferred_sections): New function.
3212 * object.h (Relobj::set_section_offset): Remove virtual keyword.
3213 (Relobj::layout_deferred_sections): New function.
3214 (Relobj::do_layout_deferred_sections): New function.
3215 (Sized_relobj::do_layout_deferred_sections): New function.
3216 (Sized_relobj::layout_section): New function.
3217 (Sized_relobj::Deferred_layout): New structure.
3218 (Sized_relobj::deferred_layout_): New field.
3219 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
3220 Change all callers. Layout deferred sections.
3221 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
3222 references.
3223 (Plugin_hook::run): Move code from do_plugin_hook inline.
3224 (Plugin_hook::do_plugin_hook): Remove.
3225 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
3226 (Plugin_manager::finish): Renamed, was cleanup.
3227 (Plugin_manager::should_defer_layout): New function.
3228 (Plugin_manager::add_deferred_layout_object): New function.
3229 (Plugin_manager::Deferred_layout_list): New type.
3230 (Plugin_manager::deferred_layout_objects_): New field.
3231 (Plugin_hook::do_plugin_hook): Remove.
3232
ee769c88
ILT		 32332008-12-17 Ian Lance Taylor <iant@google.com>
3234
3235 * options.h (class General_options): Add --no case for
3236 --export-dynamic.
3237
abc8dcba
CC		 32382008-12-16 Cary Coutant <ccoutant@google.com>
3239
3240 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
3241 vector.
3242 (Plugin_manager::claim_file): Create plugin object even if
3243 plugin did not call the add_symbols callback.
3244 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
3245 asking for more symbols than were added.
3246 * testsuite/Makefile.am (plugin_test_1): Add test case with
3247 no global symbols.
3248 (empty.syms): New target.
3249 * testsuite/Makefile.in: Regenerate.
3250 * testsuite/plugin_test.c (claim_file_hook): Add new debug
3251 message. Don't call add_symbols if no globals.
3252 (all_symbols_read_hook): Don't provide replacement for empty
3253 claimed file.
3254
b0074644
ILT		 32552008-12-12 Ian Lance Taylor <iant@google.com>
3256
68943102
ILT		 3257 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
3258 r_type == 0 for a local symbol with r_sym == 0.
3259 (scan_relocatable_relocs): Pass r_sym to
3260 local_non_section_strategy.
3261 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
3262 r_sym parameter.
3263
b0074644
ILT		 3264 * configure.ac: Update test for TLS descriptors: they are
3265 supported as of glibc 2.9.
3266 * configure: Rebuild.
3267
c2508178
ILT		 32682008-12-11 Ian Lance Taylor <iant@google.com>
3269
3270 PR 7091
3271 * target-reloc.h (Default_scan_relocatable_relocs): For each
3272 function, map r_type == 0 to RELOC_DISCARD.
3273
2756a258
CC		 32742008-12-10 Cary Coutant <ccoutant@google.com>
3275
3276 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
3277 object to override a kept COMDAT group from a plugin object.
3278
bb6f53d3
ILT		 32792008-12-09 Ian Lance Taylor <iant@google.com>
3280
fbc558e1
ILT		 3281 PR 7088
3282 * yyscript.y (file_cmd): Handle INPUT.
3283
bb6f53d3
ILT		 3284 * testsuite/initpri1.c: Change all declarations to be full
3285 prototypes by adding void, to avoid compiler warnings.
3286
4674ecfc
CC		 32872008-12-05 Rafael Avila de Espindola <espindola@google.com>
3288
3289 * options.cc (General_options::parse_plugin_opt): New.
3290 (General_options::add_plugin): The argument now is just the filename.
3291 (General_options::add_plugin_option): New.
3292 * options.h (plugin_opt): New.
3293 (add_plugin): Change argument name.
3294 (add_plugin_option): New.
3295 * plugin.cc (Plugin::load): Don't parse the plugin option.
3296 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
3297 (Plugin::add_option): New.
3298 (Plugin::args_): Change type.
3299 (Plugin::filename_): New.
3300 (Plugin_manager::add_plugin_option): New.
3301 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
3302 * testsuite/Makefile.in: Regenerate.
3303
fd06b4aa
CC		 33042008-12-05 Cary Coutant <ccoutant@google.com>
3305
3306 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
3307 Handle --strip-lto-sections option.
3308 * options.h (strip_lto_sections): New option.
3309
6c52134c
CC		 33102008-12-01 Cary Coutant <ccoutant@google.com>
3311
3312 * plugin.cc (ld_plugin_message): Change format parameter to const.
3313 Fix mismatch between new[] and delete.
3314
a45248e0
CC		 33152008-11-14 Cary Coutant <ccoutant@google.com>
3316
3317 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
3318 instead of -1U.
3319
c82fbeee
CS		 33202008-11-05 Craig Silverstein <csilvers@google.com>
3321
3322 * options.cc (General_options::parse_dynamic_list): New function.
3323 * options.h (General_options): New flags dynamic_list,
3324 dynamic_list_data, dynamic_list_cpp_new, and
3325 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
3326 (General_options::in_dynamic_list): New function.
3327 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
3328 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
3329 (Lex::can_continue_name): Likewise.
3330 (yylex): Likewise.
3331 (read_script_file): New parameter script_options.
3332 (read_dynamic_list): New function.
3333 (Script_options::define_dynamic_list): New function.
3334 (dynamic_list_keyword_parsecodes): New variable.
3335 (dynamic_list_keywords): New variable.
3336 * script.h (Script_options::define_dynamic_list): New function
3337 prototype.
3338 (read_dynamic_list): New function prototype.
3339 * symtab.cc (strprefix): New macro.
3340 (Symbol::should_add_dynsym_entry): Support dynamic_list,
3341 dynamic_list_data, dynamic_list_cpp_new, and
3342 dynamic_list_cpp_typeinfo.
3343 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
3344 (dynamic_list_expr): New rule.
3345 (dynamic_list_nodes): Likewise.
3346 (dynamic_list_node): Likewise.
3347 * testsuite/Makefile.am (dynamic_list): New test.
3348 * testsuite/Makefile.in: Regenerated.
3349 * testsuite/dynamic_list.t: New file.
3350 * testsuite/dynamic_list.sh: New file.
3351
e0bb29a5
CS		 33522008-11-05 Craig Silverstein <csilvers@google.com>
3353
3354 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
3355 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
3356 (t11_last): Likewise.
3357 * testsuite/ver_test_6.c (main): Likewise.
3358
4e1e25e0
CC		 33592008-10-07 Cary Coutant <ccoutant@google.com>
3360
3361 * options.c (General_options::finalize): Add check for -static and
3362 -shared.
3363 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
3364 is not empty.
3365
92f03fcb
CC		 33662008-10-02 Cary Coutant <ccoutant@google.com>
3367
3368 * plugin.cc (make_sized_plugin_object): Fix conditional
3369 compilation to work when not all targets are enabled.
3370
fbd8a257
CC		 33712008-09-29 Cary Coutant <ccoutant@google.com>
3372
3373 * archive.cc (Archive::get_file_and_offset): Use filename instead
3374 of name to get library path.
3375 (Archive::include_member): Unlock external member of a thin archive.
3376
3377 * testsuite/Makefile.am (TEST_AR): New variable.
3378 (thin_archive_test_1): New test.
3379 (thin_archive_test_2): New test.
81636b3f
CC		 3380 * testsuite/Makefile.in: Regenerate.
3381 * testsuite/thin_archive_main.cc: New file.
3382 * testsuite/thin_archive_test_1.cc: New file.
3383 * testsuite/thin_archive_test_2.cc: New file.
3384 * testsuite/thin_archive_test_3.cc: New file.
3385 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 3386
eff45813
CC		 33872008-09-29 Cary Coutant <ccoutant@google.com>
3388
3389 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
3390 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
3391 instead of -1U.
3392 (Sized_relobj::do_finalize_local_symbols): Likewise.
3393 (Sized_relobj::map_to_kept_section): Likewise.
3394 * object.h (Sized_relobj::invalid_address): New constant.
3395 (Sized_relobj::do_output_section_offset): Check for invalid_address
3396 and return -1ULL.
3397 * output.cc (Output_reloc::local_section_offset): Use constant
3398 invalid_address instead of -1U.
3399 (Output_reloc::get_address): Likewise.
3400 (Output_section::output_address): Change -1U to -1ULL.
3401 * output.h (Output_reloc::invalid_address): New constant.
3402 * reloc.cc (Sized_relobj::write_sections): Use constant
3403 invalid_address instead of -1U.
3404 (Sized_relobj::relocate_sections): Likewise.
3405 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
3406 values for merge sections.
3407 * target-reloc.h (relocate_for_relocatable): Use constant
3408 invalid_address instead of -1U.
3409
89fc3421
CC		 34102008-09-19 Cary Coutant <ccoutant@google.com>
3411
3412 Add plugin functionality for link-time optimization (LTO).
3413 * configure.ac (plugins): Add --enable-plugins option.
3414 * configure: Regenerate.
3415 * config.in: Regenerate.
3416 * Makefile.am (LIBDL): New variable.
3417 (CCFILES): Add plugin.cc.
3418 (HFILES): Add plugin.h.
3419 (ldadd_var): Add LIBDL.
3420 * Makefile.in: Regenerate.
3421
3422 * archive.cc: Include "plugin.h".
3423 (Archive::setup): Don't preread archive symbols when using a plugin.
3424 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
3425 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
3426 files.
3427 (Archive::include_member): Add symbols from plugin objects.
3428 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
3429 * descriptors.cc (Descriptors::open): Check for file descriptors
3430 abandoned by plugins.
3431 (Descriptors::claim_for_plugin): New function.
3432 * descriptors.h (Descriptors::claim_for_plugin): New function.
3433 (Open_descriptor::is_claimed): New field.
3434 (claim_descriptor_for_plugin): New function.
3435 * fileread.cc (File_read::claim_for_plugin): New function.
3436 * fileread.h (File_read::claim_for_plugin): New function.
3437 (File_read::descriptor): New function.
3438 * gold.cc: Include "plugin.h".
3439 (queue_initial_tasks): Add task to call plugin hooks for generating
3440 new object files.
3441 * main.cc: Include "plugin.h".
3442 (main): Load plugin libraries.
3443 * object.h (Pluginobj): Declare.
3444 (Object::pluginobj): New function.
3445 (Object::do_pluginobj): New function.
3446 (Object::set_target): New function.
3447 * options.cc: Include "plugin.h".
3448 (General_options::parse_plugin): New function.
3449 (General_options::General_options): Initialize plugins_ field.
3450 (General_options::add_plugin): New function.
3451 * options.h (Plugin_manager): Declare.
3452 (General_options): Add --plugin option.
3453 (General_options::has_plugins): New function.
3454 (General_options::plugins): New function.
3455 (General_options::add_plugin): New function.
3456 (General_options::plugins_): New field.
3457 * plugin.cc: New file.
3458 * plugin.h: New file.
3459 * readsyms.cc: Include "plugin.h".
3460 (Read_symbols::do_read_symbols): Check for archive before checking
3461 for ELF file. Call plugin hooks to claim files.
3462 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
3463 from a real object file; force override when processing replacement
3464 files.
3465 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
3466 (Symbol::init_base_object): Likewise.
3467 (Symbol::init_base_output_data): Likewise.
3468 (Symbol::init_base_output_segment): Likewise.
3469 (Symbol::init_base_constant): Likewise.
3470 (Symbol::init_base_undefined): Likewise.
3471 (Symbol::output_section): Assert that object is not a plugin.
3472 (Symbol_table::add_from_pluginobj): New function.
3473 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
3474 undefined.
3475 (Symbol_table::sized_write_globals): Likewise.
3476 (Symbol_table::add_from_pluginobj): Instantiate template.
3477 * symtab.h (Sized_pluginobj): Declare.
3478 (Symbol::in_real_elf): New function.
3479 (Symbol::set_in_real_elf): New function.
3480 (Symbol::in_real_elf_): New field.
3481 (Symbol_table::add_from_pluginobj): New function.
3482
3483 * testsuite/Makefile.am (AM_CFLAGS): New variable.
3484 (LIBDL): New variable.
3485 (LDADD): Add LIBDL.
3486 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
3487 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
3488 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
3489 (MOSTLYCLEANFILES): Likewise.
3490 * testsuite/Makefile.in: Regenerate.
3491 * testsuite/plugin_test.c: New file.
3492 * testsuite/plugin_test_1.sh: New file.
3493 * testsuite/plugin_test_2.sh: New file.
3494
de31bda5
ILT		 34952008-09-16 Ian Lance Taylor <iant@google.com>
3496
9c2d0ef9
ILT		 3497 * target-reloc.h (relocate_section): Check whether a symbol is
3498 defined by the ABI before reporting an undefined symbol error.
3499 * target.h (Target::is_defined_by_abi): Make parameter const.
3500 (Target::do_is_defined_by_abi): Likewise.
3501 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
3502 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
3503 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
3504 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
3505 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
3506 * testsuite/Makefile.in: Rebuild.
3507
de31bda5
ILT		 3508 * fileread.cc (make_view): Add casts to avoid warning.
3509
9fa33bee
AO		 35102008-09-16 Alexandre Oliva <aoliva@redhat.com>
3511
3512 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
3513 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3514
183fd0e3
AO		 35152008-09-16 Alexandre Oliva <aoliva@redhat.com>
3516
3517 * options.h (General_options::output_is_executable): New.
3518 (General_options::output_is_pie): New.
3519 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
3520 for shared libraries.
3521 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
3522
7be8330a
CD		 35232008-09-11 Chris Demetriou <cgd@google.com>
3524
3525 * options.h (origin): New -z option.
3526 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
3527 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
3528 in DT_FLAGS_1.
3529
a9caad02
CC		 35302008-09-05 Cary Coutant <ccoutant@google.com>
3531
3532 * fileread.cc (File_read::make_view): Add check for attempt to map
3533 beyond end of file.
3534
ae6dce4d
CC		 35352008-09-05 Cary Coutant <ccoutant@google.com>
3536
3537 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
3538 explicit instantiations.
3539
d7ab2a47
KVH		 35402008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
3541
3542 PR gold/6858
3543 * options.cc (General_options::finalize): Allow undefined symbols
3544 in shlibs if linking -shared.
3545
3546 PR gold/6859
3547 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
3548 symbols as not needing a dynsym entry.
3549
1e52a9c1
CS		 35502008-08-20 Craig Silverstein <csilvers@google.com>
3551
3552 * fileread.cc (File_read::open): Do not lock the file unless it
3553 was successfully opened.
3554
d85c80a3
CC		 35552008-08-14 Cary Coutant <ccoutant@google.com>
3556
3557 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
3558 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
3559 * testsuite/tls_test.cc (struct int128): 128-bit struct
3560 for testing TLS relocs with non-zero addend.
3561 (v12): New TLS variable.
3562 (t12): New test.
3563 (t_last): Add check for v12.
3564 * testsuite/tls_test.h (t12): New function.
3565 * testsuite/tls_test_main.cc (thread_routine): Call new test.
3566
2d924fd9
ILT		 35672008-08-13 Ian Lance Taylor <iant@google.com>
3568
3569 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
3570 set tls_segment_ or relro_segment_.
3571 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
3572 when appropriate.
3573 * output.h (Output_section::clear_is_relro): New function.
3574 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
3575 sections specially even when output_data_ is empty.
3576 (Output_segment::maximum_alignment): When first section is relro,
3577 only force alignment for PT_LOAD segments.
3578 * script.cc (script_data_segment_align): New function.
3579 (script_data_segment_relro_end): New function.
3580 * script-c.h (script_data_segment_align): Declare.
3581 (script_data_segment_relro_end): Declare.
3582 * script-sections.h (class Script_sections): Declare
3583 data_segment_align and data_segment_relro_end. Add fields
3584 segment_align_index_ and saw_relro_end_.
3585 * script-sections.cc (class Sections_element): Add set_is_relro
3586 virtual function. Add new bool* parameter to place_orphan_here.
3587 Add get_output_section virtual function.
3588 (class Output_section_definition): Add set_is_relro. Add new
3589 bool* parameter to place_orphan_here. Add get_output_section.
3590 Add is_relro_ field.
3591 (Output_section_definition::Output_section_definition): Initialize
3592 evaluated_address_, evaluated_load_address, evaluated_addralign_,
3593 and is_relro_ fields.
3594 (Output_section_definition::place_orphan_here): Add is_relro
3595 parameter.
3596 (Output_section_definition::set_section_addresses): Set relro for
3597 output section.
3598 (Output_section_definition::alternate_constraint): Likewise.
3599 (class Orphan_output_section): Add new bool* parameter to
3600 place_orphan_here. Add get_output_section.
3601 (Orphan_output_section::place_orphan_here): Add is_relro
3602 parameter.
3603 (Script_sections::Script_sections): Initialize
3604 data_segment_align_index_ and saw_relro_end_.
3605 (Script_sections::data_segment_align): New function.
3606 (Script_sections::data_segment_relro_end): New function.
3607 (Script_sections::place_orphan): Set or clear is_relro.
3608 (Script_sections::set_section_addresses): Force alignment of first
3609 TLS section.
3610 * yyscript.y (exp): Call script_data_segment_align and
3611 script_data_segment_relro_end.
3612 * testsuite/relro_script_test.t: New file.
3613 * testsuite/relro_test.cc (using_script): Declare.
3614 (t1, t2): Test using_script.
3615 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
3616 (relro_script_test_SOURCES): Define.
3617 (relro_script_test_DEPENDENCIES): Define.
3618 (relro_script_test_LDFLAGS): Define.
3619 (relro_script_test_LDADD): Define.
3620 (relro_script_test.so): New target.
3621 * testsuite/Makefile.in: Rebuild.
3622
f827c9a9
CC		 36232008-08-06 Cary Coutant <ccoutant@google.com>
3624
3625 * archive.cc (Archive::total_archives, Archive::total_members)
3626 (Archive::total_members_loaded): New variables.
3627 (Archive::setup): Add parameter. Add option to preread
3628 archive symbols.
3629 (Archive::read_armap): Add counter.
3630 (Archive::get_file_and_offset): New function.
3631 (Archive::get_elf_object_for_member): New function.
3632 (Archive::read_all_symbols): New function.
3633 (Archive::read_symbols): New function.
3634 (Archive::add_symbols): Add counters.
3635 (Archive::include_all_members): Use armap to find members if it's
3636 already built.
3637 (Archive::include_member): Skip reading symbols if already read.
3638 Factored code into Archive::get_file_and_offset and
3639 Archive::get_elf_object_for_member. Changed call to
3640 Mapfile::report_include_archive_member.
3641 (Archive::print_stats): New function.
3642 * archive.h: Declare Object and Read_symbols_data classes.
3643 (Archive::Archive): Add initializers for new members.
3644 (Archive::setup): Add parameter.
3645 (Archive::print_stats): New function.
3646 (Archive::total_archives, Archive::total_members)
3647 (Archive::total_members_loaded): New variables.
3648 (Archive::get_file_and_offset): New function.
3649 (Archive::get_elf_object_for_member): New function.
3650 (Archive::read_all_symbols): New function.
3651 (Archive::read_symbols): New function.
3652 (Archive::Archive_member): New class.
3653 (Archive::members_): New member.
3654 (Archive::num_members_): New member.
3655 * main.cc: Include archive.h.
3656 (main): Call Archive::print_stats.
3657 * mapfile.cc (Mapfile::report_include_archive_member): Delete
3658 archive parameter; member_name is now the fully-decorated name.
3659 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
3660 * options.h: (General_options): Add --preread-archive-symbols option.
3661 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
3662 Archive::setup.
3663
de4c45bd
ILT		 36642008-08-04 Ian Lance Taylor <iant@google.com>
3665
3666 * symtab.h (Symbol::use_plt_offset): New function.
3667 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
3668 * powerpc.cc (Relocate::relocate): Likewise.
3669 * sparc.cc (Relocate::relocate): Likewise.
3670 * x86_64.cc (Relocate::relocate): Likewise.
3671 * testsuite/weak_plt.sh: New test.
3672 * testsuite/weak_plt_main.cc: New test.
3673 * testsuite/weak_plt_shared.cc: New test.
3674 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
3675 (check_PROGRAMS): Add weak_plt.
3676 (check_DATA): Add weak_plt_shared.so.
3677 (weak_plt_main_pic.o, weak_plt): New targets.
3678 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
3679 * testsuite/Makefile.in: Rebuild.
3680
3681 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
3682 gcctestdir/ld.
3683 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
3684 * testsuite/Makefile.in: Rebuild.
3685
323ee3f4
AM		 36862008-08-04 Alan Modra <amodra@bigpond.net.au>
3687
3688 * Makefile.am (POTFILES.in): Set LC_ALL=C.
3689 * Makefile.in: Regenerate.
3690 * po/POTFILES.in: Regenerate.
3691
7c07ecec
ILT		 36922008-07-29 Ian Lance Taylor <iant@google.com>
3693
3694 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
3695 symbols before other symbols.
3696 * testsuite/script_test_2.cc (test_addr): Declare.
3697 (test_addr_alias): Declare.
3698 (main): Check that test_addr and test_addr_alias have the right
cd536b21 3699 values.
7c07ecec
ILT		 3700 * testsuite/script_test_2.t: Define test_addr_alias and
3701 test_addr.
3702
5778530e
ILT		 37032008-07-24 Ian Lance Taylor <iant@google.com>
3704
2a00e4fb
ILT		 3705 PR 5990
3706 * descriptors.cc: New file.
3707 * descriptors.h: New file.
3708 * gold-threads.h (class Hold_optional_lock): New class.
3709 * fileread.cc: Include "descriptors.h".
3710 (File_read::~File_read): Release descriptor rather than closing
3711 it.
3712 (File_read::open) [file]: Call open_descriptor rather than open.
3713 Set is_descriptor_opened_.
3714 (File_read::open) [memory]: Assert that descriptor is not open.
3715 (File_read::reopen_descriptor): New function.
3716 (File_read::release): Release descriptor.
3717 (File_read::do_read): Make non-const. Reopen descriptor.
3718 (File_read::read): Make non-const.
3719 (File_read::make_view): Reopen descriptor.
3720 (File_read::do_readv): Likewise.
3721 * fileread.h (class File_read): Add is_descriptor_opened_ field.
3722 Update declarations.
3723 * layout.cc: Include "descriptors.h".
3724 (Layout::create_build_id): Use open_descriptor rather than open.
3725 * output.cc: Include "descriptors.h".
3726 (Output_file::open): Use open_descriptor rather than open.
3727 * archive.cc (Archive::const_iterator): Change Archive to be
3728 non-const.
3729 (Archive::begin, Archive::end): Make non-const.
3730 (Archive::count_members): Likewise.
3731 * archive.h (class Archive): Update declarations.
3732 * object.h (Object::read): Make non-const.
3733 * Makefile.am (CCFILES): Add descriptors.cc.
3734 (HFILES): Add descriptors.h.
3735 * Makefile.in: Rebuild.
3736
801647d1
ILT		 3737 PR 6716
3738 * gold.h: Always include <clocale>. Add Solaris workarounds
3739 following code in binutils/sysdep.h.
3740
5edd166e
ILT		 3741 PR 6048
3742 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
3743 this->eh_frame_hdr_ is NULL before using it.
3744
c89ad728
ILT		 3745 * dynobj.cc (Versions::Versions): Update comment.
3746
aa86f06b
ILT		 3747 * dynobj.cc (Versions::Versions): If there is an soname, use it as
3748 the base version name.
3749
5778530e
ILT		 3750 * stringpool.cc (Stringpool_template::add_with_length): Set key to
3751 array size plus one.
3752 (Stringpool_template::set_string_offsets): Subtract one from key
3753 before using it as an array index.
3754 (Stringpool_template::get_offset_with_length): Likewise.
3755 (Stringpool_template::write_to_buffer): Likewise.
3756 * stringpool.h (Stringpool_template::get_offset_from_key):
3757 Likewise.
3758
057ead22
ILT		 37592008-07-23 Ian Lance Taylor <iant@google.com>
3760
7f649c59
ILT		 3761 PR 6658
3762 * object.h (Merged_symbol_value::value): Do our best to handle a
3763 negative addend.
3764
057ead22
ILT		 3765 PR 6647
3766 * script.cc (Version_script_info::get_versions): Don't add empty
3767 version tag to return value.
3768 (Version_script_info::get_symbol_version_helper): Change return
3769 type to bool. Add pversion parameter. Change all callers.
3770 (script_register_vers_node): Don't require a non-NULL tag.
3771 * script.h (class Version_script_info): Update declarations.
3772 (Version_script_info::get_symbol_version): Change return type to
3773 bool. Add version parameter. Change all callers.
3774 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
3775 handling. Handle an empty version from a version script.
3776 (Symbol_table::define_special_symbol): Likewise.
3777 * testsuite/ver_test_10.script: New file.
3778 * testsuite/ver_test_10.sh: New file.
3779 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
3780 (check_DATA): Add ver_test_10.syms.
3781 (ver_test_10.syms, ver_test_10.so): New target.
3782 * testsuite/Makefile.in: Rebuild.
3783
58e54ac2
CD		 37842008-07-23 Simon Baldwin <simonb@google.com>
3785
3786 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
3787 to zero for undefined symbols from dynamic libraries.
3788
95d14cd3
ILT		 37892008-07-23 Ian Lance Taylor <iant@google.com>
3790
3791 * symtab.cc (Symbol_table::resolve): Remove version parameter.
3792 Change all callers.
3793 * symtab.h (class Symbol_table): Update declaration.
3794 * testsuite/ver_test_9.cc: New file.
3795 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
3796 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
3797 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
3798 (ver_test_9.so, ver_test_9.o): New targets.
3799 * testsuite/Makefile.in: Rebuild.
3800
92de84a6
ILT		 38012008-07-22 Ian Lance Taylor <iant@google.com>
3802
34810851
ILT		 3803 * options.h (class General_options): Define --check-sections.
3804 * layout.cc (Layout::set_segment_offsets): Handle
3805 --check-sections.
3806
af6156ef
ILT		 3807 * options.h (class General_options): Define -n/--nmagic and
3808 -N/--omagic.
3809 * options.cc (General_options::finalize): For -n/--nmagic or
3810 -N/--omagic, set -static.
3811 * layout.cc (Layout::attach_allocated_section_to_segment): If
3812 -N/--omagic, don't put read-only and read-write sections in
3813 different segments.
3814 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
3815 finding a read-only segment.
3816 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
3817 don't set the minimum segment alignment to the common page size,
3818 and don't set the file offset to the address modulo the page size.
3819 * script-sections.cc (Script_sections::create_segments): If
3820 -n/--omagic, don't put read-only and read-write sections in
3821 different segments.
3822
92de84a6
ILT		 3823 * cref.cc: New file.
3824 * cref.h: New file.
3825 * options.h (class General_options): Add --print-symbol-counts.
3826 * main.cc (main): Issue defined symbol report if requested.
3827 * archive.cc (Archive::interpret_header): Make into a const member
3828 function.
3829 (Archive::add_symbols): Call Input_objects::archive_start and
3830 archive_stop.
3831 (Archive::const_iterator): Define new class.
3832 (Archive::begin, Archive::end): New functions.
3833 (Archive::include_all_members): Rewrite to use iterator.
3834 (Archive::count_members): New function.
3835 * archive.h (class Archive): Update declarations.
3836 (Archive::filename): New function.
3837 * object.cc: Include "cref.h".
3838 (Sized_relobj::Sized_relobj): Initialize defined_count_.
3839 (Sized_relobj::do_get_global_symbol_counts): New function.
3840 (Input_objects::add_object): Add object to cross-referencer.
3841 (Input_objects::archive_start): New function.
3842 (Input_objects::archive_stop): New function.
3843 (Input_objects::print_symbol_counts): New function.
3844 * object.h: Declare Cref and Archive.
3845 (Object::get_global_symbol_counts): New function.
3846 (Object::do_get_global_symbol_counts): New pure virtual function.
3847 (class Sized_relobj): Add defined_count_ field. Update
3848 declarations.
3849 (class Input_objects): Add cref_ field. Update constructor.
3850 Update declarations.
3851 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
3852 defined_count_.
3853 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
3854 symbol counts.
3855 (Sized_dynobj::do_get_global_symbol_counts): New function.
3856 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
3857 defined_count_. Update declarations. Define Symbols typedef.
3858 * symtab.cc (Symbol_table::add_from_relobj): Add defined
3859 parameter. Change all callers.
3860 (Symbol_table::add_from_dynobj): Add sympointers and defined
3861 parameters. Change all callers.
3862 * symtab.h (class Symbol_table): Update declarations.
3863 * Makefile.am (CCFILES): Add cref.cc.
3864 (HFILES): Add cref.h.
3865 * Makefile.in: Rebuild.
3866
3f7c5e1d
CD		 38672008-07-22 Simon Baldwin <simonb@google.com>
3868
3869 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
3870 to zero when writing undefined symbols.
3871
e0b64032
ILT		 38722008-07-22 Ian Lance Taylor <iant@google.com>
3873
3874 * output.cc (Output_section::add_input_section): Don't try to
3875 merge empty merge sections.
3876
096b02cf
CS		 38772008-07-21 Craig Silverstein <csilvers@google.com>
3878
3879 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
3880 Include symbol version in error message.
cd536b21 3881
1d1f116d
CD		 38822008-07-20 Chris Demetriou <cgd@google.com>
3883
cd536b21 3884 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 3885 (RANDOM_SEED_CFLAGS): New substituted variable.
3886 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
3887 * configure: Rebuild.
3888 * Makefile.in: Likewise.
3889 * testsuite/Makefile.in: Likewise.
3890
a18f591e
ILT		 38912008-07-18 Ian Lance Taylor <iant@google.com>
3892
3893 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
3894 where we see NAME/NULL and NAME/VERSION as separate symbols.
3895 * testsuite/ver_test_main.cc (main): Call t4.
3896 (t4, t4_2a): Define.
3897 * testsuite/ver_test_2.cc (t4_2): Define.
3898 * testsuite/ver_test_2.script: Put t4_2a in VER2.
3899 * testsuite/ver_test_4.cc (t4_2a): Define.
3900 * testsuite/ver_test_4.script: Put t4_2a in VER2.
3901 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
3902
c6e3f6ed
ILT		 39032008-07-17 Ian Lance Taylor <iant@google.com>
3904
3905 * dynobj.cc (Versions::add_def): If we give an error about a
3906 missing version, go ahead and create the version anyhow.
3907
ef9beddf
ILT		 39082008-07-10 Ian Lance Taylor <iant@google.com>
3909
3910 Handle output sections with more than 0x7fffffff bytes.
3911 * object.h (class Relobj): Change map_to_output_ to
3912 output_sections_, and just keep a section pointer. Change all
3913 uses. Move comdat group support to Sized_relobj.
3914 (Relobj::is_section_specially_mapped): Remove.
3915 (Relobj::output_section): Remove poff parameter. Change all
3916 callers.
3917 (Relobj::output_section_offset): New function.
3918 (Relobj::set_section_offset): Rewrite.
3919 (Relobj::map_to_output): Remove.
3920 (Relobj::output_sections): New function.
3921 (Relobj::do_output_section_offset): New pure virtual function.
3922 (Relobj::do_set_section_offset): Likewise.
3923 (class Sized_relobj): Add section_offsets_ field. Add comdat
3924 group support from Relobj. Update declarations.
3925 (Sized_relobj::get_output_section_offset): New function.
3926 (Sized_relobj::do_output_section_offset): New function.
3927 (Sized_relobj::do_set_section_offset): New function.
3928 * object.cc (Relobj::output_section_address): Remove.
3929 (Sized_relobj::Sized_relobj): Initialize new fields.
3930 (Sized_relobj::include_section_group): Cast find_kept_object to
3931 Sized_relobj.
3932 (Sized_relobj::include_linkonce_section): Likewise.
3933 (Sized_relobj::do_layout): Use separate arrays for output section
3934 and output offset.
3935 (Sized_relobj::do_count_local_symbols): Change map_to_output to
3936 output_sections.
3937 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
3938 output_sections and section_offsets.
3939 (Sized_relobj::write_local_symbols): Likewise.
3940 (map_to_kept_section): Compute output address directly.
3941 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
3942 output_sections and section_offsets.
3943 (Sized_relobj::write_sections): Likewise.
3944 (Sized_relobj::relocate_sections): Likewise.
3945 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
3946 * output.h (class Output_reloc): Update declarations. Change
3947 u2_.relobj to Sized_relobj*.
3948 (class Output_data_reloc): Change add functions to use
3949 Sized_relobj*.
3950 * output.cc (Output_reloc::Output_reloc): Change relobj to
3951 Sized_relobj*.
3952 (Output_reloc::local_section_offset): Change return type to
3953 Elf_Addr. Use get_output_section_offset.
3954 (Output_reloc::get_address): Likewise.
3955 (Output_section::is_input_address_mapped): Don't call
3956 is_section_specially_mapped.
3957 (Output_section::output_offset): Likewise.
3958 (Output_section::output_address): Likewise.
3959 (Output_section::starting_output_address): Likewise.
3960 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
3961 parameter to Sized_relobj*.
3962 (Copy_relocs::need_copy_reloc): Likewise.
3963 (Copy_relocs::save): Likewise.
3964 * copy-relocs.h (class Copy_relocs): Update declarations.
3965 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
3966 Sized_relobj*. Change relobj_ field to Sized_relobj*.
3967 * target-reloc.h (relocate_for_relocatable): Change
3968 offset_in_output_section type to Elf_Addr. Change code that uses
3969 it as well.
3970 * layout.cc (Layout::layout): Always set *off.
3971 * mapfile.cc (Mapfile::print_input_section): Use
3972 output_section_offset.
3973 * i386.cc (Target_i386::copy_reloc): Change object parameter to
3974 Sized_relobj*.
3975 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
3976 * sparc.cc (Target_sparc::copy_reloc): Likewise.
3977 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
3978
5cb66f97
ILT		 39792008-07-03 Ian Lance Taylor <iant@google.com>
3980
3981 * layout.cc (Layout::include_section): Do not discard unrecognized
3982 SHT_STRTAB sections.
3983
afe47622
CS		 39842008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
3985
3986 * script.cc (Lex::can_continue_name): Make '?' allowable in
3987 version-script names.
3988 * testsuite/version_script.map: Change glob pattern to use '?'
3989
5adf9721
ILT		 39902008-06-30 Manish Singh <yosh@gimp.org>
3991
3992 PR 6585
3993 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
3994 Correct typo.
3995
e6fde208
ILT		 39962008-06-30 Ian Lance Taylor <iant@google.com>
3997
3998 PR 6660
3999 PR 6682
4000 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
4001 versions]: Don't try to read the value in the contents, since we
4002 don't use it. Use the template endianness when writing.
4003
3f2e6a2d
CC		 40042008-06-25 Cary Coutant <ccoutant@google.com>
4005
4006 * fileread.cc (File_read::make_view): Assert on zero-length view.
4007 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
4008 symbol table when there are no symbols to read.
4009
c43d3a48
CS		 40102008-06-23 Craig Silverstein <csilvers@google.com>
4011
4012 * version.cc (version_string): Bump to 1.7
4013
5f494ea0
CS		 40142008-06-18 Craig Silverstein <csilvers@google.com>
4015
4016 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
4017 constant 0xFFFF to type Valtype.
4018 (Powerpc_relocate_functions::rel16_ha): Likewise.
4019
c42e122e
ILT		 40202008-06-17 Ian Lance Taylor <iant@google.com>
4021
f34787f8
ILT		 4022 * output.h (Output_section::Input_section): Initialize p2align_ to
4023 zero for Output_section_data constructors.
4024 (Output_section::Input_section::addralign): If not an input
4025 section, return the alignment of the Output_section_data.
4026 * testsuite/copy_test.cc: New file.
4027 * testsuite/copy_test_1.cc: New file.
4028 * testsuite/copy_test_2.cc: New file.
4029 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
4030 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
4031 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
4032 (copy_test_1_pic.o, copy_test_1.so): New targets.
4033 (copy_test_2_pic.o, copy_test_2.so): New targets.
4034 * testsuite/Makefile.in: Rebuild.
4035
c42e122e
ILT		 4036 * script-sections.cc (Script_sections::place_orphan): Initialize
4037 local variable exact.
4038
ce3ac18a
DE		 40392008-06-13 David Edelsohn <edelsohn@gnu.org>
4040
4041 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
4042
42cacb20
DE		 40432008-06-12 David Edelsohn <edelsohn@gnu.org>
4044 David S. Miller <davem@davemloft.net>
4045
4046 * powerpc.cc: New file.
4047 * Makefile.am (TARGETSOURCES): Add powerpc.cc
4048 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
4049 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
4050 * Makefile.in: Rebuild.
4051
7b308235
ILT		 40522008-06-09 Ian Lance Taylor <iant@google.com>
4053
4054 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
4055 <exception>.
4056 (throwing, orig_terminate): New static variables.
4057 (terminate_handler): New static function.
4058 (t2): Set terminate handler.
4059
f0b886e3
ILT		 40602008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
4061
4062 PR 6584
cd536b21 4063 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 4064 alignment.
4065
3e90f135
CC		 40662008-05-30 Cary Coutant <ccoutant@google.com>
4067
4068 * archive.cc (Archive::include_all_members) Correct to step
4069 over symbol table and extended name table in thin archives.
4070
e09ad04a
ILT		 40712008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
4072
4073 PR 6407
4074 * target-reloc.h (relocate_for_relocatable): Fix new_offset
4075 calculation.
4076
62b01cb5
ILT		 40772008-05-28 Caleb Howe <cshowe@google.com>
4078
4079 * reduced_debug_output.cc: New file.
4080 * reduced_debug_output.h: New file.
92de84a6 4081 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 4082 * options.cc (General_options::finalize): Add strip_debug_non_line
4083 to the strip heirarchy.
4084 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
4085 fields.
4086 * layout.cc: Include "reduced_debug_output.h".
4087 (Layout::Layout): Initialize new fields.
4088 (line_only_debug_sections): New static array.
4089 (is_lines_only_debug_sections): New static inline function.
4090 (Layout::include_section): Handle --strip-debug-non-line.
4091 (Layout::make_output_section): If --strip-debug-non-line, build
4092 new output sections for .debug_abbrev and .debug_info.
4093 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
4094 gold. Warn about possible overflow.
4095 (read_signed_LEB_128): Likewise.
4096 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
4097 (read_signed_LEB_128): Declare.
4098 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
4099 (HFILES): Add reduced_debug_output.h.
4100 * Makefile.in: Rebuild.
4101
7d9e3d98
ILT		 41022008-05-21 Ian Lance Taylor <iant@google.com>
4103
4104 * mapfile.cc: New file.
4105 * mapfile.h: New file.
4106 * options.h (class General_options): Add -M/--print-map and -Map.
4107 * options.cc (General_options::finalize): Make -M equivalent to
4108 -Map -.
4109 * main.cc: Include <cstdio> and "mapfile.h".
4110 (main): Open mapfile if requested.
4111 * gold.cc (class Middle_runner): Add mapfile_ field. Update
4112 constructor. Change caller.
4113 (queue_initial_tasks): Add mapfile parameter. Change caller.
4114 (queue_middle_tasks): Likewise.
4115 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
4116 declarations.
4117 * archive.cc: Include "mapfile.h".
4118 (Archive::add_symbols): Add mapfile parameter. Change all
4119 callers. Pass mapfile, symbol, and reason to include_member.
4120 (Archive::include_all_members): Add mapfile parameter. Change all
4121 callers.
4122 (Archive::include_member): Add mapfile, sym, and why parameters.
4123 Change all callers. Report inclusion to map file.
4124 * archive.h: Include "fileread.h".
4125 (class Archive): Update declarations.
4126 (Archive::file): New const method.
4127 (class Add_archive_symbols): Add mapfile_ field. Update
4128 constructor. Change all callers.
4129 * readsyms.h (class Read_symbols): Likewise.
4130 (class Finish_group): Likewise.
4131 (class Read_script): Likewise.
4132 * common.cc: Include "mapfile.h".
4133 (Symbol_table::allocate_commons): Add mapfile parameter. Change
4134 all callers.
4135 (Symbol_table::do_allocate_commons): Likewise.
4136 (Symbol_table::do_allocate_commons_list): Likewise. Report common
4137 symbol allocation to mapfile.
4138 * common.h (class Allocate_commons_task): Add mapfile_ field.
4139 Update constructor. Change all callers.
4140 * symtab.h (class Symbol_table): Update declarations.
4141 * layout.cc: Include "mapfile.h".
4142 (Layout_task_runner::run): Print information to mapfile.
4143 (Layout::create_gold_note): Change Output_data_fixed_space to
4144 Output_data_zero_fill.
4145 (Layout::create_build_id): Likewise.
4146 (Layout::print_to_mapfile): New function.
4147 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
4148 constructor. Change caller.
4149 (class Layout): Declare print_to_mapfile.
4150 * output.cc (Output_section::Input_section::print_to_mapfile): New
4151 function.
4152 (Output_section::add_input_section): If producing a map, always
4153 add to input_sections_ list.
4154 (Output_section::do_print_to_mapfile): New function.
4155 (Output_segment::print_sections_to_mapfile): New function.
4156 (Output_segment::print_section_list_to_mapfile): New function.
4157 * output.h: Include "mapfile.h".
4158 (Output_data::print_to_mapfile): New function.
4159 (Output_data::do_print_to_mapfile): New virtual function.
4160 (Output_segment_headers::do_print_to_mapfile): New function.
4161 (Output_file_header::do_print_to_mapfile): New function.
4162 (Output_data_const::do_print_to_mapfile): New function.
4163 (class Output_data_const_buffer): Add map_name_ field. Update
4164 constructor. Change all callers. Add do_print_to_mapfile
4165 function.
4166 (class Output_data_fixed_space): Likewise.
4167 (class Output_data_space): Likewise.
4168 (class Output_data_zero_fill): New class.
4169 (Output_data_strtab::do_print_to_mapfile): New function.
4170 (Output_data_reloc_base::do_print_to_mapfile): New function.
4171 (Output_relocatable_relocs::do_print_to_mapfile): New function.
4172 (Output_data_group::do_print_to_mapfile): New function.
4173 (Output_data_got::do_print_to_mapfile): New function.
4174 (Output_data_dynamic::do_print_to_mapfile): New function.
4175 (Output_symtab_xindex::do_print_to_mapfile): New function.
4176 (class Output_section): Declare do_print_to_mapflie. Declare
4177 print_to_mapfile in Input_section.
4178 (class Output_segment): Declare new functions.
4179 * object.h (Sized_relobj::symbol_count): New function.
4180 * script-sections.cc
4181 (Output_section_element_dot_assignment::set_section_addresses):
4182 Change Output_data_fixed_space to Output_data_zero_fill.
4183 (Output_data_expression::do_print_to_mapfile): New function.
4184 * script.cc (read_input_script): Add mapfile parameter. Change
4185 all callers.
4186 * script.h (read_input_script): Update declaration.
4187 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
4188 (Eh_frame::do_print_to_mapfile): New function.
4189 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
4190 (Output_merge_string::do_print_to_mapfile): New function.
4191 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
4192 function.
4193 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
4194 function.
4195 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
4196 function.
4197 * Makefile.am (CCFILES): Add mapfile.cc.
4198 (HFILES): Add mapfile.h.
4199 * Makefile.in: Rebuild.
4200
9f1d377b
ILT		 42012008-05-19 Ian Lance Taylor <iant@google.com>
4202
4203 * options.h (class General_options): Add -z relro.
4204 * layout.cc (Layout::Layout): Initialize relro_segment_.
4205 (Layout::add_output_section_data): Return the output section.
4206 (Layout::make_output_section): Rcognize relro sections and mark
4207 them appropriately.
4208 (Layout::attach_allocated_section_to_segment): Put relro sections
4209 in a PT_GNU_RELRO segment.
4210 (Layout::create_initial_dynamic_sections): Mark the .dynamic
4211 section as relro.
4212 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
4213 PT_TLS segments.
4214 (Layout::linkonce_mapping): Map d.rel.ro.local to
4215 .data.rel.ro.local.
4216 (Layout::output_section_name): Us .data.rel.ro.local for any
4217 section which begins with that.
4218 * layout.h (class Layout): Update add_output_section_data
4219 declaration. Add relro_segment_ field.
4220 * output.cc (Output_section::Output_section): Initialize is_relro_
4221 and is_relro_local_ fields.
4222 (Output_segment::add_output_section): Group relro sections.
4223 (Output_segment::is_first_section_relro): New function.
4224 (Output_segment::maximum_alignment): If there is a relro section,
4225 align the segment to the common page size.
4226 (Output_segment::set_section_addresses): Track whether we are
4227 looking at relro sections. If the last section is a relro
4228 section, align to the common page size.
4229 (Output_segment::set_section_list_addresses): Add in_relro
4230 parameter. Change all callers. Align to the page size when
4231 moving from relro to non-relro section.
4232 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
4233 segment.
4234 * output.h (class Output_section): Add is_relro_ and
4235 is_relro_local_ fields.
4236 (Output_section::is_relro): New function.
4237 (Output_section::set_is_relro): New function.
4238 (Output_section::is_relro_local): New function.
4239 (Output_section::set_is_relro_local): New function.
4240 (class Output_segment): Update declarations.
4241 * i386.cc (Target_i386::got_section): Mark .got section as relro.
4242 * sparc.cc (Target_sparc::got_section): Likewise.
4243 * x86_64.cc (Target_x86_64::got_section): Likewise.
4244 * testsuite/relro_test_main.cc: New file.
4245 * testsuite/relro_test.cc: New file.
4246 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
4247 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
4248 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
4249 (relro_test.so, relro_test_pic.o): New targets.
4250 * testsuite/Makefile.in: Rebuild.
4251
a984ee1d
ILT		 42522008-05-16 Ian Lance Taylor <iant@google.com>
4253
01676dcd
ILT		 4254 * output.cc (Output_segment::add_output_section): Remove front
4255 parameter.
4256 * output.h (class Output_segment): Remove
4257 add_initial_output_section and overloaded add_output_section.
4258 Update declaration of remaining add_output_section.
4259 * layout.cc (Layout::create_interp): Call add_output_section
4260 rather than add_initial_output_section.
4261 (Layout::finish_dynamic_section): Likewise.
4262
497897f9
ILT		 4263 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
4264 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
4265 know the dynamic type.
4266 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
4267 field. Initialize it in constructor.
4268 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
4269 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
4270 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
4271 reloc.
4272
a984ee1d
ILT		 4273 * output.cc (Output_reloc::get_address): Change return type to
4274 Elf_Addr.
4275 * output.h (class Output_reloc): Update get_address declaration.
4276 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
4277 for section addresses.
4278
55ba0940
ILT		 42792008-05-09 Ian Lance Taylor <iant@google.com>
4280
4281 PR 6493
4282 * gold.cc (gold_nomem): Use return value of write.
4283
75517b77
ILT		 42842008-05-08 Ian Lance Taylor <iant@google.com>
4285
4286 * symtab.c (Symbol::init_base_output_data): Add version
4287 parameter. Change all callers.
4288 (Symbol::init_base_output_segment): Likewise.
4289 (Symbol::init_base_constant): Likewise.
4290 (Symbol::init_base_undefined): Likewise.
4291 (Sized_symbol::init_output_data): Likewise.
4292 (Sized_symbol::init_output_segment): Likewise.
4293 (Sized_symbol::init_constant): Likewise.
4294 (Sized_symbol::init_undefined): Likewise.
4295 (Symbol_table::do_define_in_output_data): If the new symbol has a
4296 version, mark it as the default.
4297 (Symbol_table::do_define_in_output_segment): Likewise.
4298 (Symbol_table::do_define_as_constant): Likewise.
4299 * symtab.h (class Symbol): Update declarations.
4300 (class Sized_symbol): Likewise.
4301 * resolve.cc (Symbol::override_version): New function.
c42e122e 4302 (Symbol::override_base): Call override_version.
75517b77
ILT		 4303 (Symbol::override_base_with_special): Likewise.
4304 * testsuite/ver_script_8.script: New file.
4305 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
4306 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
4307 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
4308 (ver_test_8_1.so, ver_test_8_2.so): New targets.
4309
f1f70eae
ILT		 43102008-05-06 Ian Lance Taylor <iant@google.com>
4311
f3e9c5c5
ILT		 4312 PR 6049
4313 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
4314 functions.
4315 (class General_options): Remove existing --undefined, and add
4316 --no-undefined instead. Add new --undefined as synonym for -u.
4317 * archive.cc (Archive::add_symbols): Check whether symbol was
4318 named with -u.
4319 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
4320 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
4321 all uses. Add IS_UNDEFINED. Update declarations to split
4322 different versions of init_base. Declare init_base_undefined.
4323 (Symbol::is_defined): Handle IS_UNDEFINED.
4324 (Symbol::is_undefined): Likewise.
4325 (Symbol::is_weak_undefined): Call is_undefined.
4326 (Symbol::is_absolute): Handle IS_CONSTANT.
4327 (class Sized_symbol): Update declarations to split different
4328 versions of init. Declare init_undefined.
4329 (class Symbol_table): Declare new functions.
4330 * symtab.cc (Symbol::init_base_object): Rename from init_base.
4331 Change all callers.
4332 (Symbol::init_base_output_data): Likewise.
4333 (Symbol::init_base_output_segment): Likewise.
4334 (Symbol::init_base_constant): Likewise.
4335 (Symbol::init_base_undefined): New function.
4336 (Sized_symbol::init_object): Rename from init. Change all
4337 callers.
4338 (Sized_symbol::init_output_data): Likewise.
4339 (Sized_symbol::init_output_segment): Likewise.
4340 (Sized_symbol::init_constant): Likewise.
4341 (Sized_symbol::init_undefined): New function.
4342 (Symbol_table::add_undefined_symbols_from_command_line): New
4343 function.
4344 (Symbol_table::do_add_undefined_symbols_from_command_line): New
4345 function.
4346 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
4347 (Symbol::output_section): Likewise.
4348 (Symbol::set_output_section): Likewise.
4349 (Symbol_table::sized_finalize_symbol): Likewise.
4350 (Symbol_table::sized_write_globals): Likewise.
4351 * resolve.cc (Symbol_table::should_override): Likewise.
4352 (Symbol::override_base_with_special): Likewise.
4353
8bdcdf2c
ILT		 4354 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
4355 symbol, change it to have default visibility.
4356 * testsuite/protected_1.cc: New file.
4357 * testsuite/protected_2.cc: New file.
4358 * testsuite/protected_3.cc: New file.
4359 * testsuite/protected_main_1.cc: New file.
4360 * testsuite/protected_main_2.cc: New file.
4361 * testsuite/protected_main_3.cc: New file.
4362 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
4363 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
4364 (protected_1_LDFLAGS, protected_1_LDADD): Define.
4365 (protected_1.so): New target.
4366 (protected_1_pic.o, protected_2_pic.o): New targets.
4367 (protected_3_pic.o): New target.
4368 (check_PROGRAMS): Add protected_2.
4369 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
4370 (protected_2_LDFLAGS, protected_2_LDADD): Define.
4371 * testsuite/Makefile.in: Rebuild.
4372
2b706932
ILT		 4373 * options.h (DEFINE_var): Add set_user_set_##varname__.
4374 (DEFINE_bool_alias): New macro.
4375 (class General_options): Define -Bstatic using DEFINE_bool_alias
4376 rather than DEFINE_special. Add --undefined as an alias for -z
4377 defs.
4378 * options.cc (General_options::parse_Bstatic): Remove.
4379
d82a5bcc
ILT		 4380 * options.h (class General_options): Add --fatal-warnings.
4381 * main.cc (main): Implement --fatal-warnings.
4382 * errors.h (Errors::warning_count): New function.
4383
f1f70eae
ILT		 4384 * options.h (class General_options): Add -Bsymbolic-functions.
4385 * symtab.h (Symbol::is_preemptible): Check for
4386 -Bsymbolic-functions.
4387
8825ac63
ILT		 43882008-05-05 Ian Lance Taylor <iant@google.com>
4389
d98bc257
ILT		 4390 * options.h (DEFINE_bool): For DASH_Z, create the negative option
4391 as noVARNAME rather than no-VARNAME.
4392 (class General_options): Add option -z combreloc.
4393 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
4394 get_address.
4395 (Output_reloc::sort_before) [SHT_REL]: New function.
4396 (Output_reloc::sort_before) [SHT_RELA]: New function.
4397 (class Output_data_reloc_base): Add sort_relocs_ field. Define
4398 Sort_relocs_comparison.
4399 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
4400 parameter. Change all callers.
4401 (Output_data_reloc::Output_data_reloc) [both versions]: Add
4402 sort_relocs parameter. Change all callers.
4403 * output.cc (Output_reloc::get_address): New function, broken out
4404 of write_rel.
4405 (Output_reloc::write_rel): Call it.
4406 (Output_reloc::compare): New function.
4407 (Output_data_reloc_base::do_write): Optionally sort relocs.
4408
60b2b4e7
ILT		 4409 * configure.ac: If targ_extra_obj is set, link it in.
4410 * configure.tgt: Initialize all variables.
4411 (x86_64*): Set targ_extra_obj and targ_extra_size.
4412 * configure: Rebuild.
4413
8825ac63
ILT		 4414 * object.cc (Sized_relobj::include_section_group): Adjust section
4415 indexes read from group data. Build vector to pass to
4416 layout_group.
4417 * layout.cc (Layout::layout_group): Add flags and shndxes
4418 parameters. Remove contents parameter. Change caller. Update
4419 explicit instantiations.
4420 * layout.h (class Layout): Update layout_group declaration.
4421 * output.cc (Output_data_group::Output_data_group): Add flags and
4422 input_shndxes parameters. Remove contents parameter. Change
4423 caller.
4424 (Output_data_group::do_write): Change input_sections_ to
4425 input_shndxes_.
4426 * output.h (class Output_data_group): Update constructor
4427 declaration. Rename input_sections_ to input_shndxes_.
4428 * testsuite/many_sections_test.cc: Add template.
4429
e94cf127
CC		 44302008-04-30 Cary Coutant <ccoutant@google.com>
4431
4418b2d5
CC		 4432 * target-reloc.h (relocate_section): Fix dead-pointer bug.
4433
e94cf127
CC		 4434 * layout.cc (Layout::include_section): Refactored check for debug
4435 info section.
4436 (Layout::add_comdat): Add new parameters. Change type
4437 of signature parameter. Add object and shndx to signatures table.
4438 (Layout::find_kept_object): New function.
4439 * layout.h: Include <cstring>.
4440 (Layout::is_debug_info_section): New function.
4441 (Layout::add_comdat): Add new parameters.
4442 (Layout::find_kept_object): New function.
4443 (Layout::Kept_section): New struct.
4444 (Layout::Signatures): Change type of map range.
4445 * object.cc (Relobj::output_section_address): New function.
4446 (Sized_relobj::include_section_group): Add new parameters. Change
4447 calls to Layout::add_comdat. Change to build table of kept comdat
4448 groups and table mapping discarded sections to kept sections.
4449 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
4450 (Sized_relobj::do_layout): Change calls to include_section_group and
4451 include_linkonce_section.
4452 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
4453 value to zero when section is discarded.
4454 (Sized_relobj::map_to_kept_section): New function.
4455 * object.h (Relobj::output_section_address): New function.
4456 (Relobj::Comdat_group): New type.
4457 (Relobj::find_comdat_group): New function.
4458 (Relobj::Comdat_group_table): New type.
4459 (Relobj::Kept_comdat_section): New type.
4460 (Relobj::Kept_comdat_section_table): New type.
4461 (Relobj::add_comdat_group): New function.
4462 (Relobj::set_kept_comdat_section): New function.
4463 (Relobj::get_kept_comdat_section): New function.
4464 (Relobj::comdat_groups_): New field.
4465 (Relobj::kept_comdat_sections_): New field.
4466 (Symbol_value::input_value): Update comment.
4467 (Sized_relobj::map_to_kept_section) New function.
4468 (Sized_relobj::include_linkonce_section): Add new parameter.
4469 * target-reloc.h (Comdat_behavior): New type.
4470 (get_comdat_behavior): New function.
4471 (relocate_section): Add code to map a discarded section to the
4472 corresponding kept section when applying a relocation.
4473
e4e5049b
CS		 44742008-04-30 Craig Silverstein <csilvers@google.com>
4475
4476 * dwarf_reader.cc (next_generation_count): New static var.
4477 (Addr2line_cache_entry): New struct.
4478 (addr2line_cache): New static var.
4479 (Dwarf_line_info::one_addr2line): Added caching.
4480 (Dwarf_line_info::clear_addr2line_cache): New function.
4481 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
4482 cache-size parameter.
4483 (Dwarf_line_info::one_addr2line_cache): New function.
4484 * symtab.cc (Symbol_table::detect_odr_violations): Pass
4485 new cache-size argument to one_addr2line(), and clear cache.
4486
d09e9154
CC		 44872008-04-28 Cary Coutant <ccoutant@google.com>
4488
4489 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
4490 R_386_PC8 relocations.
4491
7ef73768
ILT		 44922008-04-23 Ian Lance Taylor <iant@google.com>
4493
55438702
ILT		 4494 * object.cc (Sized_relobj::include_section_group): Check for
4495 invalid section group.
4496
c165fb93
ILT		 4497 * object.cc (make_elf_object): Correct test for 64-bit ELF file
4498 header size.
4499
7ef73768
ILT		 4500 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
4501 than read for file header.
4502 * archive.cc (Archive::include_member): Likewise.
4503
6194aaab
L		 45042008-04-23 Paolo Bonzini <bonzini@gnu.org>
4505
4506 * aclocal.m4: Regenerate.
4507 * configure: Regenerate.
4508
d491d34e
ILT		 45092008-04-19 Ian Lance Taylor <iant@google.com>
4510
5ea2bac6
ILT		 4511 * version.cc (version_string): Bump to 1.6.
4512
7bc3e21a
ILT		 4513 * testsuite/Makefile.am (many_sections_r_test): New target.
4514 (many_sections_r_test_SOURCES): Remove.
4515 (many_sections_r_test_DEPENDENCIES): Remove.
4516 (many_sections_r_test_LDFLAGS): Remove.
4517 (many_sections_r_test_LDADD): Remove.
4518
7fcd3aa9
ILT		 4519 * object.cc (Sized_relobj::do_add_symbols): Always pass
4520 local_symbol_count_ to add_from_relobj.
4521
4c94d6ae
ILT		 4522 * testsuite/Makefile.am (many_sections_check.h): Only check one in
4523 every thousand variables.
4524 * testsuite/Makefile.in: Rebuild.
4525
d491d34e
ILT		 4526 * object.cc (Xindex::initialize_symtab_xindex): New function.
4527 (Xindex::read_symtab_xindex): New function.
4528 (Xindex::sym_xindex_to_shndx): New function.
4529 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
4530 available.
4531 (Sized_relobj::do_initialize_xindex): New function.
4532 (Sized_relobj::do_read_symbols): Adjust section links.
4533 (Sized_relobj::symbol_section_and_value): Add is_ordinary
4534 parameter. Change all callers.
4535 (Sized_relobj::include_section_group): Adjust section links and
4536 symbol section indexes.
4537 (Sized_relobj::do_layout): Adjust section links.
4538 (Sized_relobj::do_count_local_symbols): Adjust section links and
4539 symbol section indexes.
4540 (Sized_relobj::do_finalize_local_symbols): Distinguish between
4541 ordinary and special symbols.
4542 (Sized_relobj::write_local_symbols): Add symtab_xindex and
4543 dynsym_xindex parameters. Change all callers. Adjust section
4544 links. Use SHN_XINDEX when needed.
4545 (Sized_relobj::get_symbol_location_info): Adjust section links.
4546 Don't get fooled by special symbols.
4547 * object.h (class Xindex): Define.
4548 (class Object): Add xindex_ parameter. Declare virtual functoin
4549 do_initialize_xindex.
4550 (Object::adjust_sym_shndx): New function.
4551 (Object::set_xindex): New protected function.
4552 (class Symbol_value): Add is_ordinary_shndx_ field.
4553 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
4554 (Symbol_value::value): Assert ordinary section.
4555 (Symbol_value::initialize_input_to_output_map): Likewise.
4556 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
4557 Change all callers.
4558 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
4559 all callers.
4560 (class Sized_relobj): Update declarations.
4561 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
4562 parameter. Change all callers.
4563 (Sized_relobj::adjust_shndx): New function.
4564 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
4565 field.
4566 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
4567 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
4568 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
4569 (Sized_dynobj::read_dynsym_section): Adjust section links.
4570 (Sized_dynobj::read_dynamic): Likewise.
4571 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
4572 section links.
4573 (Sized_dynobj::do_initialize_xindex): New function.
4574 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
4575 do_initialize_xindex.
4576 (Sized_dynobj::adjust_shndx): New function.
4577 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
4578 dynsym_xindex_ fields.
4579 (Layout::finalize): Add a call to set_section_indexes before
4580 creating the symtab sections.
4581 (Layout::set_section_indexes): Don't do anything if the section
4582 already has a section index.
4583 (Layout::create_symtab_sections): Add shnum parameter. Change
4584 caller. Create .symtab_shndx section if needed.
4585 (Layout::create_shdrs): Add shstrtab_section parameter. Change
4586 caller.
4587 (Layout::allocated_output_section_count): New function.
4588 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
4589 needed.
4590 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
4591 fields. Update declarations.
4592 (Layout::symtab_xindex): New function.
4593 (Layout::dynsym_xindex): New function.
4594 (class Write_symbols_task): Add layout_ field.
4595 (Write_symbols_task::Write_symbols_task): Add layout parameter.
4596 Change caller.
4597 * output.cc (Output_section_headers::Output_section_headers): Add
4598 shstrtab_section parameter. Change all callers.
4599 (Output_section_headers::do_sized_write): Store overflow values
4600 for section count and section string table section index in
4601 section header zero.
4602 (Output_file_header::do_sized_write): Check for overflow of
4603 section count and section string table section index.
4604 (Output_symtab_xindex::do_write): New function.
4605 (Output_symtab_xindex::endian_do_write): New function.
4606 * output.h (class Output_section_headers): Add shstrtab_section_.
4607 Update declarations.
4608 (class Output_symtab_xindex): Define.
4609 (Output_section::has_out_shndx): New function.
4610 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
4611 field.
4612 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
4613 Change all callers.
4614 (Sized_symbol::init): Likewise.
4615 (Symbol::output_section): Check for ordinary symbol.
4616 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
4617 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
4618 callers.
4619 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
4620 Change all callers. Simplify handling of symbols from sections
4621 not included in the link.
4622 (Symbol_table::add_from_dynobj): Handle ordinary symbol
4623 distinction.
4624 (Weak_alias_sorter::operator()): Assert that symbols are
4625 ordinary.
4626 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
4627 distinction.
4628 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
4629 parameters. Change all callers.
4630 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
4631 symbol distinction. Use SHN_XINDEX when needed.
4632 (Symbol_table::write_section_symbol): Add symtab_xindex
4633 parameter. Change all callers.
4634 (Symbol_table::sized_write_section_symbol): Likewise. Use
4635 SHN_XINDEX when needed.
4636 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
4637 declarations.
4638 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
4639 (Symbol::is_defined): Check is_ordinary.
4640 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
4641 (Symbol::is_absolute, Symbol::is_common): Likewise.
4642 (class Sized_symbol): Update declarations.
4643 (class Symbol_table): Update declarations.
4644 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
4645 parameters. Change all callers.
4646 (Sized_symbol::override): Likewise.
4647 (Symbol_table::override): Likewise.
4648 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
4649 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
4650 is_ordinary, and orig_st_shndx parameters. Change all callers.
4651 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
4652 to be in an ordinary section.
4653 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
4654 object and is_ordinary parameters. Change all callers.
4655 (Sized_dwarf_line_info::read_relocs): Add object parameter.
4656 Change all callers. Don't add undefined or non-ordinary symbols
4657 to reloc_map_.
4658 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
4659 Change all callers.
4660 * dwarf_reader.h (class Sized_dwarf_line_info): Update
4661 declarations.
4662 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
4663 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
4664 (Sized_relobj::relocate_sections): Likewise.
4665 * target-reloc.h (scan_relocs): Adjust section symbol index.
4666 (scan_relocatable_relocs): Likewise.
4667 * i386.cc (Scan::local): Check for ordinary symbols.
4668 * sparc.cc (Scan::local): Likewise.
4669 * x86_64.cc (Scan::local): Likewise.
4670 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
4671 to symbol_section_and_value.
4672 * testsuite/many_sections_test.cc: New file.
4673 * testsuite/Makefile.am (BUILT_SOURCES): Define.
4674 (check_PROGRAMS): Add many_sections_test.
4675 (many_sections_test_SOURCES): Define.
4676 (many_sections_test_DEPENDENCIES): Define.
4677 (many_sections_test_LDFLAGS): Define.
4678 (BUILT_SOURCES): Add many_sections_define.h.
4679 (many_sections_define.h): New target.
4680 (BUILT_SOURCES): Add many_sections_check.h.
4681 (many_sections_check.h): New target.
4682 (check_PROGRAMS): Add many_sections_r_test.
4683 (many_sections_r_test_SOURCES): Define.
4684 (many_sections_r_test_DEPENDENCIES): Define.
4685 (many_sections_r_test_LDFLAGS): Define.
4686 (many_sections_r_test_LDADD): Define.
4687 (many_sections_r_test.o): New target.
4688 * testsuite/Makefile.in: Rebuild.
4689
c5818ff1
CC		 46902008-04-17 Cary Coutant <ccoutant@google.com>
4691
4692 * errors.cc (Errors::info): New function.
4693 (gold_info): New function.
4694 * errors.h (Errors::info): New function.
4695 * gold.h (gold_info): New function.
4696 * object.cc (Input_objects::add_object): Print trace output.
4697 * options.cc (options::parse_set): New function.
4698 (General_options::parse_wrap): Deleted.
4699 (General_options::General_options): Deleted initializer.
4700 * options.h (options::String_set): New typedef.
4701 (options::parse_set): New function.
4702 (DEFINE_set): New macro.
4703 (General_options::wrap): Changed to use DEFINE_set. Changed
4704 callers of any_wrap_symbols and is_wrap_symbol.
4705 (General_options::trace, General_options::trace_symbol):
4706 New options.
4707 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
4708 (General_options::wrap_symbols_): Deleted.
4709 * symtab.cc (Symbol_table::add_from_object): Print trace output.
4710
b5be4a7c
DM		 47112008-04-17 David S. Miller <davem@davemloft.net>
4712
4713 * options.cc (General_options::parse_V): New function.
4714 * options.h: Add entries for -V and -Qy.
4715
155a0dd7
ILT		 47162008-04-17 Ian Lance Taylor <iant@google.com>
4717
4718 * common.cc (Symbol_table::allocate_commons): Remove options
4719 parameter. Change caller.
4720 (Symbol_table::do_allocate_commons): Remove options parameter.
4721 Change caller. Just call do_allocate_commons_list twice.
4722 (Symbol_table::do_allocate_commons_list): New function, broken out
4723 of do_allocate_commons.
4724 * common.h (class Allocate_commons_task): Remove options_ field.
4725 Update constructor.
4726 * symtab.cc (Symbol_table::Symbol_table): Initialize
4727 tls_commons_.
4728 (Symbol_table::add_from_object): Put TLS common symbols on
4729 tls_commons_ list.
4730 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
4731 which are IN_OUTPUT_DATA.
4732 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
4733 allocate_commons and do_allocate_commons declarations. Declare
4734 do_allocate_commons_list.
4735 * gold.cc (queue_middle_tasks): Update creation of
4736 Allocate_commons_task to not pass options.
4737 * testsuite/Makefile.am (INCLUDES): Add -I.. .
4738 (TLS_TEST_C_FLAGS): New variable.
4739 (tls_test_c_pic.o): New target.
4740 (tls_test_shared.so): Link in tls_test_c_pic.o.
4741 (tls_test_c_pic_ie.o): New target.
4742 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
4743 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
4744 (tls_test_c.o): New target.
4745 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
4746 (tls_pic_test_LDADD): Likewise.
4747 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
4748 (tls_shared_gd_to_ie_test_LDADD): Likewise.
4749 (tls_test_c_gnu2.o): New target.
4750 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
4751 tls_test_c_gnu2.o.
4752 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
4753 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
4754 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
4755 * testsuite/tls_test.cc: Include "config.h".
4756 (t_last): Call t11_last.
4757 * testsuite/tls_test.h (t11, t11_last): Declare.
4758 * testsuite/tls_test_c.c: New file.
4759 * testsuite/tls_test_main.cc (thread_routine): Call t11.
4760 * configure.ac: Check for OpenMP support.
4761 * configure, config.in, Makefile.in: Rebuild.
4762 * testsuite/Makefile.in: Rebuild.
4763
edfbb029
CC		 47642008-04-16 Cary Coutant <ccoutant@google.com>
4765
4766 * i386.cc (Target_i386::define_tls_base_symbol): New function.
4767 (Target_i386::tls_base_symbol_defined_): New field.
4768 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4769 (Target_i386::Scan::global): Likewise.
4770 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
4771 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
4772 (Target_x86_64::tls_base_symbol_defined_): New field.
4773 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
4774 (Target_x86_64::Scan::global): Likewise.
4775
f3c69fca
CC		 47762008-04-16 Cary Coutant <ccoutant@google.com>
4777
4778 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
4779 (Symbol::needs_plt_entry): Allow weak undefined symbols.
4780 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
4781 building shared libraries.
4782 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
4783 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
4784 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
4785 * testsuite/Makefile.in: Rebuild.
4786 * testsuite/weak_undef.h: New file.
4787 * testsuite/weak_undef_file1.cc: Add extra test cases.
4788 * testsuite/weak_undef_file2.cc: Likewise.
4789 * testsuite/weak_undef_test.cc: Likewise.
4790
7c414435
DM		 47912008-04-16 David S. Miller <davem@davemloft.net>
4792
32b769e1
DM		 4793 * sparc.cc (Target_sparc::Scan): Change from struct to class.
4794 Add issued_non_pic_error_ field. Declare check_non_pic.
4795 (Target_sparc::Scan::check_non_pic): New function.
4796 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
4797 (Target_sparc::Scan::global): Likewise.
4798
11936fb1
DM		 4799 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
4800 * configure: Rebuild.
4801
7c414435
DM		 4802 * options.h (DEFINE_enable): New macro.
4803 (new_dtags): New enable option.
4804 (initfirst, interpose, loadfltr, nodefaultlib,
4805 nodelete, nodlopen, nodump): New -z options.
4806 * layout.cc (Layout:finish_dynamic_section): If new
4807 dtags enabled, emit DT_RUNPATH. Also, emit a
4808 DT_FLAGS_1 containing any specified -z flags.
4809
85c7bf8b
ILT		 48102008-04-16 Ian Lance Taylor <iant@google.com>
4811
12c0daef
ILT		 4812 * copy-relocs.cc: New file.
4813 * copy-relocs.h: New file.
4814 * reloc.cc: Remove Copy_relocs code.
4815 * reloc.h: Likewise.
4816 * reloc-types.h (struct Reloc_types) [both versions]: Add
4817 get_reloc_addend_noerror.
4818 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
4819 variants of add_global which take an addend which must be zero.
4820 * i386.cc: Include "copy-relocs.h".
4821 (class Target_i386): Change type of copy_relocs_ to variable,
4822 update initializer.
4823 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
4824 Change all callers.
4825 (Target_i386::do_finalize_sections): Change handling of
4826 copy_relocs_.
4827 * sparc.cc: Include "copy-relocs.h".
4828 (class Target_sparc): Change type of copy_relocs_ to variable,
4829 update initializer.
4830 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
4831 Change all callers.
4832 (Target_sparc::do_finalize_sections): Change handling of
4833 copy_relocs_.
4834 * x86_64.cc: Include "copy-relocs.h".
4835 (class Target_x86_64): Change type of copy_relocs_ to variable,
4836 update initializer.
4837 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
4838 class. Change all callers.
4839 (Target_x86_64::do_finalize_sections): Change handling of
4840 copy_relocs_.
4841 * Makefile.am (CCFILES): Add copy-relocs.cc.
4842 (HFILES): Add copy-relocs.h.
4843
4f4995b6
ILT		 4844 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
4845
85c7bf8b
ILT		 4846 * testsuite/script_test_4.sh: Permit leading zeroes.
4847
4f2a9edd
ILT		 48482008-04-15 Ian Lance Taylor <iant@google.com>
4849
e6188289
ILT		 4850 * script-sections.cc (Script_sections::create_segments): Use
4851 header_size_adjustment even when there is enough room for the
4852 headers.
4853 * testsuite/script_test_4.sh: New file.
4854 * testsuite/script_test_4.t: New file.
4855 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
4856 (check_DATA): Add script_test_4.stdout.
4857 (MOSTLYCLEANFILES): Likewise.
4858 (script_test_4): New target.
4859 (script_test_4.stdout): New target.
4860 * testsuite/Makefile.in: Rebuild.
4861
4f2a9edd
ILT		 4862 * sparc.cc: Add definitions for Output_data_plt_sparc class
4863 constants.
4864
f5314dd5
DM		 48652008-04-14 David S. Miller <davem@davemloft.net>
4866
4867 * sparc.cc: New file.
4868 * Makefile.am (TARGETSOURCES): Add sparc.cc
4869 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
4870 * configure.tgt: Document targ_extra_size and
4871 targ_extra_big_endian. Add entries for sparc-* and
4872 sparc64-*.
4873 * configure.ac: Handle targ_extra_size and
4874 targ_extra_big_endian.
4875 * Makefile.in: Rebuild.
4876 * configure: Likewise.
4877 * po/POTFILES.in: Likewise.
4878 * po/gold.pot: Likewise.
4879
154e0e9a
ILT		 48802008-04-14 Ian Lance Taylor <iant@google.com>
4881
4882 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
4883 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
4884 in the name/type/flags to section mapping. Don't call
4885 allocate_output_section.
4886 (Layout::choose_output_section): Change parameter from adjust_name
4887 to is_input_section. Don't permit input sections after sections
4888 are attached to segments. Don't call allocate_output_section.
4889 (Layout::layout_eh_frame): Call update_flags_for_input_section,
4890 not write_enable_output_section.
4891 (Layout::make_output_section): Don't push to
4892 unattached_section_list_ nor call attach_to_segment. Call
4893 attach_section_to_segment if sections are attached.
4894 (Layout::attach_sections_to_segments): New function.
4895 (Layout::attach_section_to_segment): New function.
4896 (Layout::attach_allocated_section_to_segment): Rename from
4897 attach_to_segment. Remove flags parameter.
4898 (Layout::allocate_output_section): Remove function.
4899 (Layout::write_enable_output_section): Remove function.
4900 * layout.h (class Layout): Update for above changes. Add new
4901 field sections_are_attached_.
4902 * output.h (Output_section::update_flags_for_input_section): New
4903 function.
4904 * output.cc (Output_section::add_input_section): Call
4905 update_flags_for_input_section.
4906 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
4907
009a67a2
CC		 49082008-04-11 Cary Coutant <ccoutant@google.com>
4909
4910 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
4911 thought unnecessary.
4912 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
4913
759b1a24
ILT		 49142008-04-11 Ian Lance Taylor <iant@google.com>
4915
4916 * output.h (class Output_section_data): Remove inline definition
4917 of set_addralign.
4918 * output.cc (Output_section_data::set_addralign): New function.
4919
c2b45e22
CC		 49202008-04-11 Cary Coutant <ccoutant@google.com>
4921
4922 Add support for TLS descriptors for i386 and x86_64.
4923 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
4924 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
4925 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
4926 GOT_TYPE_TLS_DESC.
4927 (Target_i386::got_mod_index_entry): Remove unnecessary code.
4928 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
4929 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
4930 relocations.
4931 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
4932 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
4933 Fix problem with initial-exec relocations.
4934 (Target_i386::Relocate::relocate_tls): Likewise.
4935 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
4936 relaxation.
4937 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
4938 support for section-plus-offset dynamic table entries.
4939 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
4940 (Output_data_dynamic::Dynamic_entry): Add support for
4941 section-plus-offset dynamic table entries.
4942 (Output_data_dynamic::Classification): Likewise.
4943 (Output_data_dynamic::classification_): Renamed offset_.
4944 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
4945 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
4946 (Target_x86_64::make_plt_section): New function.
4947 (Target_x86_64::reserve_tlsdesc_entries): New function.
4948 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
4949 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
4950 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
4951 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
4952 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
4953 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
4954 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
4955 add extra PLT entry for TLS descriptors.
4956 (Output_data_plt_x86_64::got_): New field.
4957 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
4958 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
4959 fields.
4960 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
4961 descriptors.
4962 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
4963 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
4964 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
4965 R_386_TLS_DESC_CALL relocations.
4966 (Target_x86_64::Scan::global): Likewise.
4967 (Target_x86_64::do_finalize_sections): Add dynamic table entries
4968 for TLS descriptors.
4969 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
4970 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
4971 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
4972 GD-to-IE relaxation.
4973 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
4974 and TLS_DESCRIPTORS.
4975 * Makefile.in: Rebuild.
4976 * configure: Rebuild.
4977 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
4978 (tls_test_shared2.so): New target.
4979 (tls_shared_gd_to_ie_test_SOURCES): New variable.
4980 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
4981 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
4982 (tls_shared_gd_to_ie_test_LDADD): New variable.
4983 (tls_shared_gnu2_gd_to_ie_test): New target.
4984 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
4985 New targets.
4986 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
4987 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
4988 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
4989 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
4990 (tls_shared_gnu2_test): New target.
4991 (tls_test_gnu2_shared.so): New target.
4992 (tls_shared_gnu2_test_SOURCES): New variable.
4993 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
4994 (tls_shared_gnu2_test_LDFLAGS): New variable.
4995 (tls_shared_gnu2_test_LDADD): New variable.
4996 * testsuite/Makefile.in: Rebuild.
4997 * testsuite/Makefile.
4998
83bfb6b7
ILT		 49992008-04-11 Ian Lance Taylor <iant@google.com>
5000
5001 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
5002 justsyms.t.
5003 * testsuite/Makefile.in: Rebuild.
5004
5005 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
5006 long.
5007 * testsuite/script_test_2.cc (main): Adjust test.
5008
706e1f5e
ILT		 50092008-04-11 David S. Miller <davem@davemloft.net>
5010 Ian Lance Taylor <iant@google.com>
5011
5012 * options.h (General_options): Add entries for '-Y' and
5013 '-relax'.
5014 * options.cc (General_options:finalize): If -Y was used, add those
5015 entries to the library path instead of the default "/lib" and
5016 "/usr/lib".
5017
7c98e6bb
DM		 50182008-04-11 David S. Miller <davem@davemloft.net>
5019
5020 * testsuite/justsyms.t: Start at 0x100.
5021 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 5022 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
5023 long.
5024 * testsuite/script_test_2.cc: Adjust string and section length
5025 checks.
7c98e6bb 5026
99a37bfd
ILT		 50272008-04-09 Ian Lance Taylor <iant@google.com>
5028
2cefc357
ILT		 5029 PR gold/5996
5030 * script-sections.cc (Sections_element::allocate_to_segment): Add
5031 orphan parameter.
5032 (Output_section_definition::allocate_to_segment): Likewise.
5033 (Orphan_output_section::allocate_to_segment): Likewise.
5034 (Script_sections::attach_sections_using_phdrs_clause): Don't
5035 propagate non-PT_LOAD segments to orphan sections.
5036 * testsuite/Makefile.am (script_test_3.stdout): Generate using
5037 readelf rather than objdump.
5038 * testsuite/script_test_3.sh: Adjust accordingly. Test that
5039 .interp section and PT_INTERP segment are the same size.
5040 * testsuite/Makefile.in: Rebuild.
5041
99a37bfd
ILT		 5042 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
5043 aliases for symbols defined in the same object.
5044 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
5045 (weak_alias_test_SOURCES): New variable.
5046 (weak_alias_test_DEPENDENCIES): New variable.
5047 (weak_alias_test_LDFLAGS): New variable.
5048 (weak_alias_test_LDADD): New variable.
5049 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
5050 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
5051 (weak_alias_test_3.o): New target.
5052 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
5053 * testsuite/weak_alias_test_main.cc: New file.
5054 * testsuite/weak_alias_test_1.cc: New file.
5055 * testsuite/weak_alias_test_2.cc: New file.
5056 * testsuite/weak_alias_test_3.cc: New file.
5057
780e49c5
ILT		 50582008-04-08 Ian Lance Taylor <iant@google.com>
5059
cdb0b8f5
ILT		 5060 * options.h (class General_options): Add --noinhibit-exec option.
5061 * main.cc (main): Check --noinhibit-exec.
5062
0864d551
ILT		 5063 * options.h (class General_options): Define --wrap as a special
5064 option. Add wrap_symbols_ field.
5065 (General_options::any_wrap_symbols): New function.
5066 (General_options::is_wrap_symbol): New function.
5067 * options.cc (General_options::parse_wrap): New function.
5068 (General_options::General_options): Initialize wrap_symbols_.
5069 * symtab.cc (Symbol_table::wrap_symbol): New function.
5070 (Symbol_table::add_from_object): Handle --wrap.
5071 * symtab.h (class Symbol_table): Declare wrap_symbol.
5072 * target.h (Target::wrap_char): New function.
5073 (Target::Target_info): Add wrap_char field.
5074 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
5075 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5076 * testsuite/testfile.cc (Target_test::test_target_info):
5077 Likewise.
5078
789aa6de
ILT		 5079 * errors.cc (Errors::undefined_symbol): Mention symbol version if
5080 there is one.
5081
2c38906f
ILT		 5082 * layout.h (class Layout): Add added_eh_frame_data_ field.
5083 * layout.cc (Layout::Layout): Initialize new field.
5084 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
5085 output section until we find a section we merged successfully.
5086 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
5087 that the size be non-zero.
5088
780e49c5
ILT		 5089 * merge.cc (Object_merge_map::get_output_offset): Remove inline
5090 qualifier.
5091
7fcd0256
ILT		 50922008-04-08 Craig Silverstein <csilvers@google.com>
5093
5094 * configure.ac: Export new conditional variable HAVE_ZLIB.
5095 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
5096 on HAVE_ZLIB.
5097 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
5098 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5099
6835af53
ILT		 51002008-04-07 Ian Lance Taylor <iant@google.com>
5101
e24f324c
ILT		 5102 * version.cc (version_string): Set to "1.5".
5103
a036edd8
ILT		 5104 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
5105 Add issued_non_pic_error_ field. Declare check_non_pic.
5106 (Target_x86_64::Scan::check_non_pic): New function.
5107 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
5108 (Target_x86_64::Scan::global): Likewise.
5109
624f8810
ILT		 5110 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
5111 addend parameter. Change caller. Handle merge sections.
5112 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
5113 Address to Addend. Don't add in the result of
5114 local_section_offset, pass down the addend and use the returned
5115 value.
5116 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
5117 Update declarations of local_section_offset and symbol_value.
5118 * testsuite/two_file_test_1.cc (t18): New function.
5119 * testsuite/two_file_test_2.cc (f18): New function.
5120 * testsuite/two_file_test_main.cc (main): Call t18.
5121 * testsuite/two_file_test.h (t18, f18): Declare.
5122
6835af53
ILT		 5123 * configure.ac: Don't test for objdump, c++filt, or readelf.
5124 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
5125 conditionals.
5126 (TEST_READELF): New variable.
5127 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
5128 (check_PROGRAMS): Add two_file_strip_test.
5129 (two_file_strip_test): New target.
5130 (check_PROGRAMS): Add two_file_same_shared_strip_test.
5131 (two_file_same_shared_strip_test_SOURCES): New variable.
5132 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
5133 (two_file_same_shared_strip_test_LDFLAGS): New variable.
5134 (two_file_same_shared_strip_test_LDADD): New variable.
5135 (two_file_shared_strip.so): New target.
5136 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
5137 (ver_test_5.syms, ver_test_7.syms): Likewise.
5138 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
5139 (strip_test_3.stdout): Use TEST_OBJDUMP.
5140 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5141
86925eef
CC		 51422008-04-04 Cary Coutant <ccoutant@google.com>
5143
5144 * symtab.h (Symbol::is_weak_undefined): New function.
5145 (Symbol::is_strong_undefined): New function.
5146 (Symbol::is_absolute): New function.
5147 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
5148 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
5149 absolute symbols.
5150 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
5151 (weak_undef_test): New target.
5152 * testsuite/Makefile.in: Rebuild.
5153 * testsuite/weak_undef_file1.cc: New file.
5154 * testsuite/weak_undef_file2.cc: New file.
5155 * testsuite/weak_undef_test.cc: New file.
5156
126f3ece
ILT		 51572008-04-03 Craig Silverstein <csilvers@google.com>
5158
5159 * compressed_output.h (class Output_compressed_section): Use
5160 unsigned buffer.
5161 * compressed_output.cc (zlib_compress): Use unsigned buffers,
5162 add zlib header.
5163 (zlib_compressed_suffix): Removed.
5164 (Output_compressed_section::set_final_data_size): Use unsigned
5165 buffers.
5166 * testsuite/Makefile.am (flagstest_compress_debug_sections):
5167 Fix linker invocation.
5168 (flagstest_o_specialfile_and_compress_debug_sections):
5169 Likewise.
5170 * testsuite/Makefile.in: Regenerated.
5171
deae2a14
DM		 51722008-04-02 David S. Miller <davem@davemloft.net>
5173
5174 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
5175 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
5176
70752818
ILT		 51772008-04-02 Craig Silverstein <csilvers@google.com>
5178
5179 * TODO: New file.
5180
39d0cb0e
ILT		 51812008-04-02 Ian Lance Taylor <iant@google.com>
5182
5183 * fileread.cc (File_read::find_view): Add byteshift and vshifted
5184 parameters. Update for new key type to views_. Change all
5185 callers.
5186 (File_read::read): Adjust for byteshift in returned view.
5187 (File_read::add_view): New function, broken out of
5188 find_and_make_view.
5189 (File_read::make_view): New function, broken out of
5190 find_and_make_view.
5191 (File_read::find_or_make_view): Add offset and aligned
5192 parameters. Rewrite accordingly. Change all callers.
5193 (File_read::get_view): Add offset and aligned parameters. Adjust
5194 for byteshift in return value.
5195 (File_read::get_lasting_view): Likewise.
5196 * fileread.h (class File_read): Update declarations.
5197 (class File_read::View): Add byteshift_ field. Add byteshift to
5198 constructor. Add byteshift method.
5199 * archive.h (Archive::clear_uncached_views): New function.
5200 (Archive::get_view): Add aligned parameter. Change all callers.
5201 * object.h (Object::get_view): Add aligned parameter. Change all
5202 callers.
5203 (Object::get_lasting_view): Likewise.
5204
5205 * fileread.cc (File_read::release): Don't call clear_views if
5206 there are multiple objects.
5207 * fileread.h (File_read::clear_uncached_views): New function.
5208 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
5209 on the archive.
5210
a1207466
CC		 52112008-03-31 Cary Coutant <ccoutant@google.com>
5212
5213 Add thin archive support.
5214 * archive.cc (Archive::armagt): New const.
5215 (Archive::setup): Remove task parameter and calls to unlock.
5216 (Archive::unlock_nested_archives): New function.
5217 (Archive::read_header): Add nested_off parameter. Change
5218 all callers.
5219 (Archive::interpret_header): Likewise.
5220 (Archive::include_all_members): Change to handle thin
5221 archives.
5222 (Archive::include_member): Likewise.
5223 * archive.h (Archive::Archive): Add new parameters and
5224 initializers.
5225 (Archive::armagt): New const.
5226 (Archive::setup): Remove task parameter.
5227 (Archive::unlock_nested_archives): New function.
5228 (Archive::read_header): Add nested_off parameter.
5229 (Archive::interpret_header): Likewise.
5230 (Archive::Nested_archive_table): New typedef.
5231 (Archive::is_thin_archive_): New field.
5232 (Archive::nested_archives_): New field.
5233 (Archive::options_): New field.
5234 (Archive::dirpath_): New field.
5235 (Archive::task_): New field.
5236 * readsyms.cc (Read_symbols::do_read_symbols): Add check
5237 for thin archives. Pass additional parameters to
5238 Archive::Archive. Unlock the archive file after calling
5239 Archive::setup.
cd536b21 5240
479f6503
ILT		 52412008-03-29 Ian Lance Taylor <iant@google.com>
5242
686c8caf
ILT		 5243 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
5244 version symbol to be local.
5245 * testsuite/ver_test_4.sh: New file.
5246 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
5247 (check_DATA): Add ver_test_4.syms.
5248 (ver_test_4.syms): New target.
5249 * testsuite/Makefile.in: Rebuild.
5250
ab794b6b
ILT		 5251 * output.cc
5252 (Output_section::Input_section_sort_entry::has_priority): New
5253 function.
5254 (Output_section::Input_section_sort_entry::match_file_name): New
5255 function.
5256 (Output_section::Input_section_sort_entry::match_section_name):
5257 Remove.
5258 (Output_section::Input_section_sort_entry::match_section_name_prefix):
5259 Remove.
5260 (Output_section::Input_section_sort_entry::match_section_file):
5261 Remove.
5262 (Output_section::Input_section_sort_compare::operator()): Rewrite
5263 using new Input_section_sort_entry functions. Sort crtbegin and
5264 crtend first. Sort sections with no priority before sections with
5265 a priority.
5266 * testsuite/initpri1.c (d3): Check j != 4.
5267 (cd5): New constructor/destructor function.
5268 (main): Check j != 2.
5269
479f6503
ILT		 5270 * symtab.cc (Symbol_table::add_from_object): If we don't use the
5271 new symbol when resolving, don't call set_is_default.
5272 * testsuite/ver_test_7.cc: New file.
5273 * testsuite/ver_test_7.sh: New file.
5274 * testsuite/Makefile.am (ver_test_7.so): New target.
5275 (ver_test_7.o): New target.
5276 (check_SCRIPTS): Add ver_test_7.sh.
5277 (check_DATA): Add ver_test_7.syms.
5278 (ver_test_7.syms): New target.
5279
2fd32231
ILT		 52802008-03-28 Ian Lance Taylor <iant@google.com>
5281
5282 * layout.cc (Layout::layout): If we see an input section with a
5283 name that needs sorting, set the must_sort flag for the output
5284 section.
5285 (Layout::make_output_section): If the name of the output section
5286 indicates that it might require sorting, set the may_sort flag.
5287 * output.h (Output_section::may_sort_attached_input_sections): New
5288 function.
5289 (Output_section::set_may_sort_attached_input_sections): New
5290 function.
5291 (Output_section::must_sort_attached_input_sections): New
5292 function.
5293 (Output_section::set_must_sort_attached_input_sections): New
5294 function.
5295 (class Output_section): Declare Input_section_sort_entry. Define
5296 Input_section_sort_compare. Declare
5297 sort_attached_input_sections. Add new fields:
5298 may_sort_attached_input_sections_,
5299 must_sort_attached_input_sections_,
5300 attached_input_sections_are_sorted_.
5301 * output.cc (Output_section::Output_section): Initialize new
5302 fields.
5303 (Output_section::add_input_section): Add an entry to
5304 input_sections_ if may_sort or must_sort are true.
5305 (Output_section::set_final_data_size): Call
5306 sort_attached_input_sections if necessary.
5307 (Output_section::Input_section_sort_entry): Define new class.
5308 (Output_section::Input_section_sort_compare::operator()): New
5309 function.
5310 (Output_section::sort_attached_input_sections): New function.
5311 * configure.ac: Check whether the compiler supports constructor
5312 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
5313 * testsuite/initpri1.c: New file.
5314 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
5315 CONSTRUCTOR_PRIORITY.
5316 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
5317 (initpri1_LDFLAGS): New variable.
5318 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
5319
18e6b24e
ILT		 53202008-03-27 Ian Lance Taylor <iant@google.com>
5321
49bdd526
ILT		 5322 * common.cc (Sort_commons::operator): Correct sorting algorithm.
5323 * testsuite/common_test_1.c: New file.
5324 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
5325 (common_test_1_SOURCES): New variable.
5326 (common_test_1_DEPENDENCIES): New variable.
5327 (common_test_1_LDFLAGS): New variable.
5328
18e6b24e
ILT		 5329 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
5330 and commons_ correctly when NAME/VERSION does not override
5331 NAME/NULL.
5332 * testsuite/ver_test_6.c: New file.
5333 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
5334 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
5335 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
5336
04bf7072
ILT		 53372008-03-26 Ian Lance Taylor <iant@google.com>
5338
5871526f
ILT		 5339 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
5340 of an undefined symbol from a version script.
5341 * testsuite/Makefile.am (ver_test_5.so): New target.
5342 (ver_test_5.o): New target.
5343 (check_SCRIPTS): Add ver_test_5.sh.
5344 (check_DATA): Add ver_test_5.syms.
5345 (ver_test_5.syms): New target.
5346 * testsuite/ver_test_5.cc: New file.
5347 * testsuite/ver_test_5.script: New file.
5348 * testsuite/ver_test_5.sh: New file.
5349 * Makefile.in, testsuite/Makefile.in: Rebuild.
5350
04bf7072
ILT		 5351 PR gold/5986
5352 Fix problems building gold with gcc 4.3.0.
5353 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
5354 (gold_error_at_location, gold_warning_at_location): Use it.
5355 * configure.ac: Check whether we can compile and use a template
5356 function with a printf attribute.
5357 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
5358 when jumping over bytes.
5359 * object.cc: Instantiate Object::read_section_data.
5360 * debug.h: Include <cstring>
5361 * dwarf_reader.cc: Include <algorithm>
5362 * main.cc: Include <cstring>.
5363 * options.cc: Include <cstring>.
5364 * output.cc: Include <cstring>.
5365 * script.cc: Include <cstring>.
5366 * script.h: Include <string>.
5367 * symtab.cc: Include <cstring> and <algorithm>.
5368 * target-select.cc: Include <cstring>.
5369 * version.cc: Include <string>.
5370 * testsuite/testmain.cc: Include <cstdlib>.
5371 * configure, config.in: Rebuild.
5372
874c5b28
ILT		 53732008-03-25 Ian Lance Taylor <iant@google.com>
5374
819d6c3a
ILT		 5375 * options.cc: Include "../bfd/bfdver.h".
5376 (options::help): Print bug reporting address.
5377
f4b2c6f5
ILT		 5378 * version.cc (print_version): Adjust output for current value of
5379 BFD_VERSION_STRING.
5380
5381 * NEWS: New file.
5382
e96caa79
ILT		 5383 * options.cc (options::help): Print list of supported targets.
5384 * target-select.h: Include <vector>.
5385 (class Target_selector): Make machine_, size_, and is_big_endian_
5386 fields const. Add bfd_name_ and instantiated_target_ fields.
5387 (Target_selector::Target_selector): Add bfd_name parameter.
5388 (Target_selector::recognize): Make non-virtual, call
5389 do_recognize.
5390 (Target_selector::recognize_by_name): Make non-virtual, call
5391 do_recognize_by_name.
5392 (Target_selector::supported_names): New function.
5393 (Target_selector::bfd_name): New function.
5394 (Target_selector::do_instantiate_target): New pure virtual
5395 function.
5396 (Target_selector::do_recognize): New virtual function.
5397 (Target_selector::do_recognize_by_name): New virtual function.
5398 (Target_selector::instantiate_target): New private function.
5399 (supported_target_names): Declare.
5400 * target-select.cc (Target_selector::Target_selector): Update for
5401 new parameter and fields.
5402 (select_target_by_name): Check that the name matches before
5403 calling recognize_by_name.
5404 (supported_target_names): New function.
5405 * i386.cc (class Target_selector_i386): Update Target_selector
5406 constructor call. Remove recognize and recognize_by_name. Add
5407 do_instantiate_target.
5408 * x86_64.cc (class Target_selector_x86_64): Likewise.
5409 * testsuite/testfile.cc (class Target_selector_test): Update for
5410 changes to Target_selector.
5411
874c5b28
ILT		 5412 * README: Rewrite, with some notes on unsupported features.
5413
0a65a3a7
CC		 54142008-03-24 Cary Coutant <ccoutant@google.com>
5415
5416 * i386.cc (Target_i386::Got_type): New enum declaration.
5417 (Target_i386::Scan::local): Updated callers of Output_data_got
5418 member functions.
5419 (Target_i386::Scan::global): Likewise.
5420 (Target_i386::Relocate::relocate): Likewise.
5421 (Target_i386::Relocate::relocate_tls): Likewise.
5422 * object.h (Got_offset_list): New class.
5423 (Sized_relobj::local_has_got_offset): Added got_type parameter.
5424 (Sized_relobj::local_got_offset): Likewise.
5425 (Sized_relobj::set_local_got_offset): Likewise.
5426 (Sized_relobj::local_has_tls_got_offset): Removed.
5427 (Sized_relobj::local_tls_got_offset): Removed.
5428 (Sized_relobj::set_local_tls_got_offset): Removed.
5429 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
5430 * output.cc (Output_data_got::add_global): Added got_type parameter.
5431 (Output_data_got::add_global_with_rel): Likewise.
5432 (Output_data_got::add_global_with_rela): Likewise.
5433 (Output_data_got::add_global_pair_with_rel): New function.
5434 (Output_data_got::add_global_pair_with_rela): New function.
5435 (Output_data_got::add_local): Added got_type parameter.
5436 (Output_data_got::add_local_with_rel): Likewise.
5437 (Output_data_got::add_local_with_rela): Likewise.
5438 (Output_data_got::add_local_pair_with_rel): New function.
5439 (Output_data_got::add_local_pair_with_rela): New function.
5440 (Output_data_got::add_global_tls): Removed.
5441 (Output_data_got::add_global_tls_with_rel): Removed.
5442 (Output_data_got::add_global_tls_with_rela): Removed.
5443 (Output_data_got::add_local_tls): Removed.
5444 (Output_data_got::add_local_tls_with_rel): Removed.
5445 (Output_data_got::add_local_tls_with_rela): Removed.
5446 * output.h (Output_data_got::add_global): Added got_type parameter.
5447 (Output_data_got::add_global_with_rel): Likewise.
5448 (Output_data_got::add_global_with_rela): Likewise.
5449 (Output_data_got::add_global_pair_with_rel): New function.
5450 (Output_data_got::add_global_pair_with_rela): New function.
5451 (Output_data_got::add_local): Added got_type parameter.
5452 (Output_data_got::add_local_with_rel): Likewise.
5453 (Output_data_got::add_local_with_rela): Likewise.
5454 (Output_data_got::add_local_pair_with_rel): New function.
5455 (Output_data_got::add_local_pair_with_rela): New function.
5456 (Output_data_got::add_global_tls): Removed.
5457 (Output_data_got::add_global_tls_with_rel): Removed.
5458 (Output_data_got::add_global_tls_with_rela): Removed.
5459 (Output_data_got::add_local_tls): Removed.
5460 (Output_data_got::add_local_tls_with_rel): Removed.
5461 (Output_data_got::add_local_tls_with_rela): Removed.
5462 * resolve.cc (Symbol::override_base_with_special): Removed
5463 reference to has_got_offset_ field.
5464 * symtab.cc (Symbol::init_fields): Replaced initialization
5465 of got_offset_ with got_offsets_. Removed initialization
5466 of has_got_offset_
53fcba31 5467 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 5468 (Symbol::got_offset): Likewise.
5469 (Symbol::set_got_offset): Likewise.
5470 (Symbol::has_tls_got_offset): Removed.
5471 (Symbol::tls_got_offset): Removed.
5472 (Symbol::set_tls_got_offset): Removed.
5473 (Symbol::got_offset_): Removed.
5474 (Symbol::tls_mod_got_offset_): Removed.
5475 (Symbol::tls_pair_got_offset_): Removed.
5476 (Symbol::got_offsets_): New field.
5477 (Symbol::has_got_offset): Removed.
5478 (Symbol::has_tls_mod_got_offset): Removed.
5479 (Symbol::has_tls_pair_got_offset): Removed.
5480 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
5481 (Target_x86_64::Scan::local): Updated callers of Output_data_got
5482 member functions.
5483 (Target_x86_64::Scan::global): Likewise.
5484 (Target_x86_64::Relocate::relocate): Likewise.
5485 (Target_x86_64::Relocate::relocate_tls): Likewise.
5486
bd52eafb
BE		 54872008-03-25 Ben Elliston <bje@au.ibm.com>
5488
5489 * yyscript.y: Fix spelling error in comment.
5490
8b105e34
ILT		 54912008-03-24 Ian Lance Taylor <iant@google.com>
5492
8ed814a9
ILT		 5493 * options.h (class General_options): Define build_id option.
5494 * layout.h (class Layout): Declare write_build_id, create_note,
5495 create_build_id. Add build_id_note_ member.
5496 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
5497 "libiberty.h", "md5.h", "sha1.h".
5498 (Layout::Layout): Initialize eh_frame_data_,
5499 eh_frame_hdr_section_, and build_id_note_.
5500 (Layout::finalize): Call create_build_id.
5501 (Layout::create_note): New function, broken out of
5502 Layout::create_gold_note.
5503 (Layout::create_gold_note): Call create_note.
5504 (Layout::create_build_id): New function.
5505 (Layout::write_build_id): New function.
5506 (Close_task_runner::run): Call write_build_id.
5507
8b105e34
ILT		 5508 * x86_64.cc: Correct license to GPLv3.
5509
086a1841
ILT		 55102008-03-23 Ian Lance Taylor <iant@google.com>
5511
5512 * options.cc: Include "demangle.h".
5513 (parse_optional_string): New function.
5514 (parse_long_option): Handle takes_optional_argument.
5515 (parse_short_option): Update dash_z initializer. Handle
5516 takes_optional_argument.
5517 (General_options::General_options): Initialize do_demangle_.
5518 (General_options::finalize): Set do_demangle_. Handle demangling
5519 style.
5520 * options.h (parse_optional_string): Declare.
5521 (struct One_option): Add optional_arg field. Update constructor.
5522 Update call constructor calls. Add takes_optional_argument
5523 function.
5524 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
5525 (DEFINE_optional_string): Define.
5526 (General_options::demangle): Change from DEFINE_bool to
5527 DEFINE_optional_string.
5528 (General_options::no_demangle): New function.
5529 (General_options::do_demangle): New function.
5530 (General_options::set_do_demangle): New function.
5531 (General_options::execstack_status_): Move definition to end of
5532 class definition.
5533 (General_options::static_): Likewise.
5534 (General_options::do_demangle_): New field.
5535 * object.cc (big_endian>::get_symbol_location_info): Call
5536 Options::do_demangle, not Options::demangle.
5537 * symtab.cc (demangle): Likewise.
5538
cbb93e63
ILT		 55392008-03-22 Ian Lance Taylor <iant@google.com>
5540
5541 * gold.h: Include <cstddef> and <sys/types.h>
5542 * options.h: Include <cstring>.
5543
ec531623
ILT		 55442008-03-21 Ian Lance Taylor <iant@google.com>
5545
5546 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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