1 2010-02-26 Doug Kwan <dougkwan@google.com>
3 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
4 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
5 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
6 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
7 * options.cc (General_options::General_options): Initialize member
9 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
10 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
11 and rm_no_fix_v4bx.stdout
12 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
13 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
14 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
15 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
17 * Makefile.in: Regenerate.
18 * testsuite/arm_fix_v4bx.s: New file.
19 * testsuite/arm_fix_v4bx.sh: Ditto.
21 2010-02-24 Doug Kwan <dougkwan@google.com>
23 * arm.cc (Target_arm::got_section): Make the .got section the first
24 non RELRO section in the data segment.
25 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
26 suffixes of section names.
28 2010-02-24 Doug Kwan <dougkwan@google.com>
30 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
31 flags and attributes merging if an input file is a binary file.
32 * fileread.cc (Input_file::open): Record format of original file.
33 * fileread.h (Input_file::Format): New enum type.
34 (Input_file::Input_file): Initialize data member format_.
35 (Input_file::format): New method definition.
36 (Input_file::format_):: New data member.
38 2010-02-24 Doug Kwan <dougkwan@google.com>
40 * arm.cc (Arm_output_data_got): New class.
41 (ARM_TCB_SIZE): New constant
42 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
43 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
44 If user uses a script with a SECTIONS clause, issue only a warning
45 for a misplaced EXIDX input section. Otherwise, issue an error.
46 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
48 (Target_arm::got_mode_index_entry): Handle static linking.
49 (Target_arm::Scan::local): Ditto.
50 (Target_arm::Scan::global): Ditto.
51 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
52 all incorrectly implemented relocations.
53 (Target_arm::fix_exidx_coverage): Pass layout to
54 Arm_output_section::fix_exidx_coverage.
55 * layout.cc (Layout::section_name_mapping): Remove trailing dots
56 from ".ARM.exidx." and ".ARM.extab.".
58 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
60 * arm.cc (Target_arm::do_finalize_sections): Create attribute
61 section if it does not already exist.
62 * attributes.cc (Attributes_section_data::Attributes_section_data):
63 Don't crash if size is zero.
65 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
66 Ian Lance Taylor <iant@google.com>
68 * gold.cc (queue_middle_tasks): If no input files were opened,
70 * workqueue.h (Task_function::Task_function): Assert that there is
73 2010-02-22 Doug Kwan <dougkwan@google.com>
75 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
76 * icf.cc (get_section_contents): Cast snprintf arguments to long long
77 types to avoid warnings due to different uint64_t implementations
80 2010-02-21 Doug Kwan <dougkwan@google.com>
82 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
83 handling of the maximum backward branch offset.
84 (Arm_relocate_functions::thumb_branch_common): Ditto.
85 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
86 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
87 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
88 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
89 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
90 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
91 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
92 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
93 thumb_bl_out_of_range thumb_bl_out_of_range.o,
94 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
95 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
96 thumb2_bl_out_of_range.o): New rules.
97 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
98 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
99 thumb2_bl_out_of_range
100 * testsuite/Makefile.in: Regenerate.
101 * testsuite/arm_bl_in_range.s: New file.
102 * testsuite/arm_bl_out_of_range.s: Ditto.
103 * testsuite/arm_branch_in_range.sh: Ditto.
104 * testsuite/arm_branch_range.t: Ditto.
105 * testsuite/thumb2_branch_range.t: Ditto.
106 * testsuite/thumb_bl_in_range.s: Ditto.
107 * testsuite/thumb_bl_out_of_range.s: Ditto.
108 * testsuite/thumb_branch_range.t: Ditto.
110 2010-02-20 Sriraman Tallam <tmsriram@google.com>
112 * gc.h (gc_process_relocs): Change vectors to point to the new list.
113 Add reloc offset information.
114 * icf.cc (get_section_contents): Change iterators to point to the new
115 vectors. Add reloc offset information to the contents.
116 * icf.h (Icf::Sections_reachable_info): New typedef.
117 (Icf::Sections_reachable_list): New typedef.
118 (Icf::Offset_info): New typedef.
119 (Icf::Reloc_info): New struct typedef.
120 (Icf::Reloc_info_list): New typedef.
121 (Icf::symbol_reloc_list): Delete method.
122 (Icf::addend_reloc_list): Delete method.
123 (Icf::section_reloc_list): Delete method.
124 (Icf::reloc_info_list): New method.
125 (Icf::reloc_info_list_): New member.
127 2010-02-19 Doug Kwan <dougkwan@google.com>
129 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
130 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
131 * arm.cc (Arm_relocation_functions): New forward declaration.
132 (Target_arm::Target_arm): Initialize new data members
133 got_mod_index_offset_ and tls_base_symbol_defined_.
134 (Target_arm::Relocate::relocate_tls): New method.
135 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
136 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
138 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
139 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
140 (Target_arm::got_mod_index_offset_,
141 Target_arm::tls_base_symbol_defined_): New data members.
142 (Target_arm::Scan::local, Target::Scan::global,
143 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
146 2010-02-18 Doug Kwan <dougkwan@google.com>
148 * arm.cc (Arm_relobj::find_linked_text_section): New method.
149 (Arm_relobj::make_exidx_input_section): Pass section index of linked
150 text section as a parameter becuase some broken tools may not set
151 the link in section header.
152 (Target_arm::has_got_section): New method.
153 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
154 without any mapping symbol as data only. Remove warning.
155 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
156 link in its section header, try to discover the link by inspecting the
157 REL31 relocation at the beginning of the section.
158 (Target_arm::Scan::check_non_pic): Report name of offending relocation
160 (Target_arm::Scan::global): Treat any reference to the symbol
161 _GLOBAL_OFFSET_TABLE_ as a GOT access.
163 2010-02-12 Sriraman Tallam <tmsriram@google.com>
165 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
166 (Scan::global_reloc_may_be_function_pointer): New function.
167 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
168 (Scan::global_reloc_may_be_function_pointer): New function.
169 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
170 (Scan::global_reloc_may_be_function_pointer): New function.
171 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
172 (Scan::global_reloc_may_be_function_pointer): New function.
173 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
174 (Scan::global_reloc_may_be_function_pointer): New function.
175 (Scan::possible_function_pointer_reloc): New function.
176 (Target_x86_64::can_check_for_function_pointers): New function.
177 * gc.h (gc_process_relocs): Scan relocation types to determine if
178 function pointers were taken for targets that support it.
179 * icf.cc (Icf::find_identical_sections): Include functions for
180 folding in safe ICF whose pointer is not taken.
181 * icf.h (Secn_fptr_taken_set): New typedef.
182 (fptr_section_id_): New member.
183 (section_has_function_pointers): New function.
184 (set_section_has_function_pointers): New function.
185 (check_section_for_function_pointers): New function.
186 * options.h: Fix comment for safe ICF option.
187 * target.h (can_check_for_function_pointers): New function.
188 * testsuite/Makefile.am: Add icf_safe_so_test test case.
189 Modify icf_safe_test for X86-64.
190 * testsuite/Makefile.in: Regenerate.
191 * testsuite/icf_safe_so_test.cc: New file.
192 * testsuite/icf_safe_so_test.sh: New file.
193 * testsuite/icf_safe_test.cc (kept_func_3): New function.
194 (main): Change to take pointer to function kept_func_3.
195 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
196 folding is done correctly for X86-64.
198 2010-02-12 David S. Miller <davem@davemloft.net>
200 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
201 is_symbolless parameter.
202 (Output_reloc<SHT_REL>::is_symbolless): New.
203 (Output_reloc<SHT_REL>::is_symbolless_): New.
204 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
205 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
206 (Output_reloc<SHT_RELA>::is_symbolless): New.
207 (Output_data_reloc::add_global): Handle is_symbolless.
208 (Output_data_reloc::add_global_relative): Likewise.
209 (Output_data_reloc::add_local): Likewise.
210 (Output_data_reloc::add_local_relative): Likewise.
211 (Output_data_reloc::add_symbolless_global_addend): New.
212 (Output_data_reloc::add_symbolless_local_addend): New.
213 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
215 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
216 instead of ->is_relative_
217 (Output_reloc::write): Likewise.
218 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
219 (Output_reloc::write_rel): Simplify.
221 * sparc.cc (Target_sparc::Scan::local): Use
222 ->add_symbolless_local_addend as needed.
223 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
224 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
225 based upon relocation offset.
227 2010-02-11 Doug Kwan <dougkwan@google.com>
229 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
230 (Target_arm::Scan::global): Ditto. Also remove a comment before the
231 beginning of function.
232 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
233 and MOVT_ABS relocations. Those are non issued in scanning. Fix
234 parameter is_32bit in calls to should_apply_static_reloc.
235 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
236 (check_DATA): Add arm_abs_global.stdout.
237 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
238 arm_abs_global.stdout): New rules.
239 (MOSTLLYCLEANFILES): Add arm_abs_global
240 * Makefile.in: Regenerate.
241 * testsuite/arm_abs_global.s: New file.
242 * testsuite/arm_abs_global.sh: Ditto.
243 * testsuite/arm_abs_lib.s: Ditto.
245 2010-02-11 Ian Lance Taylor <iant@google.com>
247 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
249 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
250 Allocate_commons_task first.
251 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
252 task, rather than symtab_lock_.
253 (Gc_process_relocs::~Gc_process_relocs): New function.
254 (Gc_process_relocs::is_runnable): Check this_blocker_.
255 (Gc_process_relocs::locks): Use next_blocker_ rather than
257 (Scan_relocs::~Scan_relocs): New function.
258 (Scan_relocs::is_runnable): Check this_blocker_ rather than
260 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
262 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
263 fields. Add this_blocker_ and next_blocker_ fields. Adjust
264 constructor accordingly.
265 (class Gc_process_relocs): Likewise.
266 (class Scan_relocs): Likewise.
267 * common.h (class Allocate_commons_task): Remove symtab_lock_
268 field, and corresponding constructor parameter.
269 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
271 (Allocate_commons_task::locks): Likewise.
273 2010-02-11 Ian Lance Taylor <iant@google.com>
275 * gold-threads.h (class Once): Define.
276 (class Initialize_lock): Rewrite as child of Once.
277 * gold-threads.cc (class Once_initialize): Define.
278 (once_pointer_control): New static variable.
279 (once_pointer, once_arg): New static variables.
280 (c_run_once): New static function.
281 (Once::Once, Once::run_once, Once::internal_run): New functions.
282 (class Initialize_lock_once): Remove.
283 (initialize_lock_control): Remove.
284 (initialize_lock_pointer): Remove.
285 (initialize_lock_once): Remove.
286 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
287 (Initialize_lock::initialize): Rewrite.
288 (Initialize_lock::do_run_once): New function.
289 * archive.cc (Archive::interpret_header): Only clear name if it is
291 * fileread.cc: Include "gold-threads.h"
292 (file_counts_lock): New static variable.
293 (file_counts_initialize_lock): Likewise.
294 (File_read::release): Only increment counts when using --stats.
295 Use a lock around the increment.
296 * parameters.cc (class Set_parameters_target_once): Define.
297 (set_parameters_target_once): New static variable.
298 (Parameters::Parameters): Move here from parameters.h.
299 (Parameters::set_target): Rewrite.
300 (Parameters::set_target_once): New function.
301 (Parameters::clear_target): Move here and rewrite.
302 * parameters.h (class Parameters): Update declarations. Add
303 set_parameters_target_once_ field.
304 (Parameters::Parameters): Move to parameters.cc.
305 (Parameters::clear_target): Likewise.
306 * readsyms.cc (Read_symbols::do_group): Create a Start_group
308 (Start_group::~Start_group): New function.
309 (Start_group::is_runnable): New function.
310 (Start_group::locks, Start_group::run): New functions.
311 (Finish_group::run): Change saw_undefined to size_t.
312 * readsyms.h (class Start_group): Define.
313 (class Finish_group): Change saw_undefined_ field to size_t.
314 (Finish_group::Finish_group): Remove saw_undefined and
315 this_blocker parameters. Change all callers.
316 (Finish_group::set_saw_undefined): New function.
317 (Finish_group::set_blocker): New function.
318 * symtab.h (class Symbol_table): Change saw_undefined to return
319 size_t. Change saw_undefined_ field to size_t.
320 * target-select.cc (Set_target_once::do_run_once): New function.
321 (Target_selector::Target_selector): Initialize set_target_once_
322 field. Don't initialize lock_ and initialize_lock_ fields.
323 (Target_selector::instantiate_target): Rewrite.
324 (Target_selector::set_target): New function.
325 * target-select.h (class Set_target_once): Define.
326 (class Target_selector): Update declarations. Make
327 Set_target_once a friend. Remove lock_ and initialize_lock_
328 fields. Add set_target_once_ field.
330 2010-02-10 Ian Lance Taylor <iant@google.com>
332 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
334 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
335 (queue_middle_tasks): Add all blockers before queueing any tasks.
336 (queue_final_tasks): Likewise.
337 * token.h (Task_token::add_blockers): New function.
338 * object.h (Input_objects::number_of_relobjs): New function.
340 2010-02-10 Ian Lance Taylor <iant@google.com>
342 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
343 shared, not if not position independent.
344 * x86_64.cc (Relocate::relocate_tls): Likewise.
345 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
346 (tls_pie_pic_test): New target.
347 * testsuite/Makefile.in: Rebuild.
349 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
350 (tls_test_main_pie.o, tls_test_pie.o): New targets.
351 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
352 * testsuite/Makefile.in: Rebuild.
354 2010-02-09 David S. Miller <davem@davemloft.net>
356 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
357 R_SPARC_RELATIVE using ->add_local_relative().
358 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
360 * output.h (Output_data_dynamic::add_section_size): New method
361 that takes two Output_data objects.
362 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
363 entry param. Handle it in initializers.
364 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
365 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
366 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
368 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
369 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
370 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
371 for dynrel_includes_plt.
372 * i386.cc (Target_i386::do_finalize_sections): Likewise.
373 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
374 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
376 (Target_sparc::do_finalize_sections): Update to pass true for
378 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
379 output before .rela.plt
380 (Target_powerpc::do_finalize_sections): Update to pass true for
381 dynrel_includes_plt when 32-bit.
383 2010-02-08 Doug Kwan <dougkwan@google.com>
385 * arm.cc (Arm_relobj::simple_input_section_output_address): New
387 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
388 Arm_relobj::scan_section_for_cortex_a8_stubs,
389 Arm_relobj::do_relocation_section): Instead of calling
390 Output_section::output_address, use faster
391 Arm_relobj::simple_input_section_output_address.
393 2010-02-08 David S. Miller <davem@davemloft.net>
395 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
396 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
397 relocation helper function.
399 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
400 just like R_SPARC_GOT{10,13,22}.
401 (Target_sparc::Scan::local): Likewise.
402 (Target_sparc::Relocate:relocate): Likewise.
404 2010-02-06 Ian Lance Taylor <iant@google.com>
406 * configure.ac: Rewrite targetobjs duplicate removal code to use
407 only shell constructs.
408 * configure: Rebuild.
410 2010-02-05 Doug Kwan <dougkwan@google.com>
413 * arm.cc (Arm_relobj::section_is_scannable): New method.
414 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
415 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
417 2010-02-04 Doug Kwan <dougkwan@google.com>
420 * arm-reloc-property.cc (cstdio): Include.
421 * configure.ac (targetobjs): Remove duplicates.
422 * configure: Regenerate.
423 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
424 big and little endian version for a given address size.
426 2010-02-03 Doug Kwan <dougkwan@google.com>
428 * arm-reloc-property.cc
429 (Arm_reloc_property_table::reloc_name_in_error_message): New method
431 * arm-reloc-property.h
432 (Arm_reloc_property_table::get_implemented_static_reloc_property):
433 New method definition.
434 (Arm_reloc_property_table::reloc_name_in_error_message): New method
436 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
438 (GOT_PREL): Change implemented to Y.
439 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
440 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
441 (Arm_relocate_functions::movw_abs_nc): Remove method.
442 (Arm_relocate_functions::movt_abs): Ditto.
443 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
444 (Arm_relocate_functions::thm_movt_abs): Ditto.
445 (Arm_relocate_functions::movw_rel_nc): Ditto.
446 (Arm_relocate_functions::movw_rel): Ditto.
447 (Arm_relocate_functions::movt_rel): Ditto.
448 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
449 (Arm_relocate_functions:thm_movw_rel): Ditto.
450 (Arm_relocate_functions:thm_movt_rel): Ditto.
451 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
452 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
453 New method definitions.
454 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
455 (Arm_relocation_functions::arm_grp_ldr): Ditto.
456 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
457 (Arm_relocation_functions::arm_grp_ldc): Ditto.
458 (Target_arm::Relocate::relocate): Check for non-static or
459 unimplemented relocation code and exit early. Change calls to
460 Target_arm::reloc_uses_thumb_bit and
461 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
462 instead. Refactor code to handle similar relocations to increase
463 code sharing. Remove check for unsupported relocation code in switch
465 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
466 relocation property table to find out size. Change error message to
467 print out the name of a relocation code instead of the numeric value.
468 (Target_arm::scan_reloc_for_stub): Use relocation property table
469 instead of calling Target_arm::reloc_uses_thumb_bit().
471 2010-02-02 Doug Kwan <dougkwan@google.com>
473 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
474 types of relaxed input section.
476 2010-02-02 Doug Kwan <dougkwan@google.com>
478 * Makefile.am (HFILES): Add arm-reloc-property.h.
480 (TARGETSOURCES): Add arm-reloc-property.cc
481 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
482 (libgold_a_SOURCES): $(DEFFILES)
483 * Makefile.in: Regenerate.
484 * arm-reloc-property.cc: New file.
485 * arm-reloc-property.h: New file.
486 * arm-reloc.def: New file.
487 * arm.cc: Update comments.
488 (arm-reloc-property.h): New included header.
489 (arm_reloc_property_table): New global variable.
490 (Target_arm::do_select_as_default_target): New method definition.
491 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
492 arm-reloc-property to targ_extra_obj.
493 * parameters.cc (set_parameters_target): Call
494 Target::select_as_default_target().
495 * target.h (Target::select_as_default_target): New method definition.
496 (Target::do_select_as_default_target): Same.
498 2010-02-01 Doug Kwan <dougkwan@google.com>
500 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
501 first_output_text_section_.
502 (Arm_exidx_fixup::first_output_text_section): New method definition.
503 (Arm_exidx_fixup::first_output_text_section_): New data member.
504 (Arm_exidx_fixup::process_exidx_section): Record the first text
506 (Arm_output_section::fix_exidx_coverage): Set correct linked section
507 and entsize in output section header.
509 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
511 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
512 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
513 (Arm_relocate_functions::thm_alu11): New Method.
514 (Arm_relocate_functions::thm_pc8): New Method.
515 (Arm_relocate_functions::thm_pc12): New Method.
516 (Target_arm::Scan::local): Handle the relocations.
517 (Target_arm::Scan::global): Likewise.
518 (Target_arm::Relocate::relocate): Likewise.
519 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
521 2010-01-29 Doug Kwan <dougkwan@google.com>
523 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
524 of relocation types as ld.
526 2010-01-29 Doug Kwan <dougkwan@google.com>
528 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
530 (Arm_relocate_functions::thumb_branch_common): Ditto.
531 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
532 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
533 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
534 Arm_relocate_functions::jump24): Remove.
535 (Target_arm::Relocate::relocate): Adjust code to call
536 Arm_relocation_functions::arm_branch_common and
537 Arm_relocation_functions::thumb_branch_common instead of their removed
538 wrappers. Merge switch-cases together to reduce source code size.
540 2010-01-29 Doug Kwan <dougkwan@google.com>
542 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
543 output_local_symbol_count_needs_update_.
544 (Arm_relobj::output_local_symbol_count_needs_update,
545 Arm_relobj::set_output_local_symbol_count_needs_update,
546 Arm_relobj::update_output_local_symbol_count): New methods.
547 (Arm_relobj::output_local_symbol_count_needs_update_): New data
549 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
550 of pointed function as in a R_ARM_PREL31 relocation.
551 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
552 for output local symbol count updating.
553 (Target_arm::do_relax): Update output local symbol counts in objects
555 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
557 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
559 * arm.cc: Added support for the ARM relocations:
560 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
561 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
562 (Arm_relocate_functions::movw_rel_nc): Renamed (was
564 (Arm_relocate_functions::movw_rel): New method.
565 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
566 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
568 (Arm_relocate_functions::thm_movw_rel): New method.
569 (Arm_relocate_functions::thm_movt_rel): Renamed (was
571 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
573 (Target_arm::Scan::global): Likewise.
574 (Target_arm::Relocate::relocate): Likewise.
575 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
578 2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
580 * arm.cc: Added support for ARM group relocations.
581 (Target_arm::reloc_needs_sym_origin): New method.
582 (Arm_relocate_functions::calc_grp_kn): New method.
583 (Arm_relocate_functions::calc_grp_residual): New method.
584 (Arm_relocate_functions::calc_grp_gn): New method.
585 (Arm_relocate_functions::arm_grp_alu): New Method.
586 (Arm_relocate_functions::arm_grp_ldr): New Method.
587 (Arm_relocate_functions::arm_grp_ldrs): New Method.
588 (Arm_relocate_functions::arm_grp_ldc): New Method.
589 (Target_arm::Scan::local): Handle the ARM group relocations.
590 (Target_arm::Scan::global): Likewise.
591 (Target_arm::Relocate::relocate): Likewise.
592 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
595 2010-01-26 Doug Kwan <dougkwan@google.com>
597 * arm.cc (set): Include.
598 (class Arm_exidx_fixup): Change type of last_input_section_ to const
600 (Arm_output_section::Text_section_list): New type.
601 (Arm_output_section::append_text_sections_to_list): New method.
602 (Arm_output_section::fix_exidx_coverage): Ditto.
603 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
604 (Arm_relobj::convert_input_section_to_relaxed_section): Use
605 Relobj::set_section_offset() instead of
606 Sized_relobj::invalidate_section_offset().
607 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
608 parameter for section headers. Ignore relocation sections for
609 unallocated sections and EXIDX sections.
610 (Target_arm::fix_exidx_coverage): New method.
611 (Target_arm::output_section_address_less_than): New type.
612 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
613 linked text section instead of the EXIDX section.
614 (Arm_output_section::create_stub_group): Add an assertion to check
615 that this is not an EXIDX output section.
616 (Arm_output_section::append_text_sections_to_list): New method.
617 (Arm_output_section::fix_exidx_coverage): Ditto.
618 (Arm_relobj::scan_sections_for_stubs): Adjust call to
619 Arm_relobj::section_needs_reloc_stub_scanning.
620 (Target_arm::do_relax): Fix EXIDX output section coverage in the
622 (Target_arm::fix_exidx_coverage): New method.
623 * object.h (Relobj::set_output_section): New method.
624 (Sized_relobj::invalidate_section_offset): Remove method.
625 (Sized_relobj::do_invalidate_section_offset): Remove method.
626 (Sized_relobj::do_set_section_offset): Handle offset value -1.
628 2010-01-25 Doug Kwan <dougkwan@google.com>
630 * arm.cc (Arm_exidx_merged_section::do_output_offset):
631 Fix warning due to signed and unsigned comparison on a 32-bit host.
633 2010-01-22 Doug Kwan <dougkwan@google.com>
635 * arm.cc (Target_arm::do_relax): Record an output section for section
636 offset adjustment it contains any stub table that has changed.
637 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
638 offsets in an output section if necessary.
639 * output.cc (Output_section::Output_section): Initialize
640 section_offsets_need_adjustments_.
641 (Output_section::add_input_section_for_script): Renamed to
642 Output_section::add_simple_input_section.
643 (Output_section::save_states): Add a comment.
644 (Output_section::discard_states): New method defintion.
645 (Output_section::adjust_section_offsets): Same.
646 * output.h (Output_section::add_input_section_for_script): Renamed to
647 Output_section::add_simple_input_section.
648 (Output_section::discard_states): New method declaration.
649 (Output_section::adjust_section_offsets): Same.
650 (Output_section::section_offsets_need_adjustment,
651 Output_section::set_section_offsets_need_adjustment): New method
653 (Output_section::section_offsets_need_adjustment_): New data member.
655 (Output_section_element_input::set_section_address): Adjust code for
656 renaming of Output_section::add_input_section_for_script.
657 (Orphan_output_section::set_section_address): Same.
659 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
661 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
662 Fix_v4bx enum values .
663 * gold/options.h (General_options): New option definitions.
664 (General_options::fix_v4bx): New method.
665 (General_options::Fix_v4bx): New enum.
666 * gold/options.cc (General_options::parse_fix_v4bx): New method.
667 (General_options::parse_fix_v4bx_interworking): New method.
669 2010-01-22 Doug Kwan <dougkwan@google.com>
671 * arm.cc (Arm_exidx_fixup): New class.
673 2010-01-21 Doug Kwan <dougkwan@google.com>
675 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
677 (Arm_exidx_section_offset_map): New type.
679 2010-01-21 Doug Kwan <dougkwan@google.com>
681 * arm.cc (Arm_exidx_input_section): New class.
682 (Arm_relobj::exidx_input_section_by_link,
683 Arm_relobj::exidx_input_section_by_shndx,
684 Arm_relobj::make_exidx_input_section): New methods.
685 (read_arm_attributes_section): Remove.
686 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
687 information about them.
688 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
691 2010-01-20 Doug Kwan <dougkwan@google.com>
693 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
694 Input_section_specifier to Section_id.
695 (Target_arm::new_arm_input_section: Adjust code for change of key
697 (Target_arm::find_arm_input_section): Ditto.
698 * gc.h (object.h): Include for Section_id nand Section_id_hash.
699 (Section_id): Remove.
700 (Garbage_collection::Section_id_hash): Remove.
701 * icf.h (object.h): Include for Section_id nand Section_id_hash.
702 (Section_id): Remove.
703 (Icf::Section_id_hash): Remove.
704 * object.h (Section_id, Const_section_id, Section_id_hash,
705 Const_section_id_hash): New type definitions.
706 * output.cc (Output_section::add_relaxed_input_section): Change to
707 use Const_section_id instead of Input_section_specifier as key type.
708 (Output_section::add_merge_input_section): Ditto.
709 (Output_section::build_relaxation_map): Change to use Section_id
710 instead of Input_section_specifier as key type.
711 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
713 (Output_section::convert_input_sections_to_relaxed_sections): Change
714 to use Const_section_id instead of Input_section_specifier as key type.
715 (Output_section::find_merge_section): Ditto.
716 (Output_section::find_relaxed_input_section): Ditto.
717 * output.h (Input_section_specifier): Remove class.
718 (Output_section::Output_section_data_by_input_section_map): Change
719 key type to Const_section_id.
720 (Output_section::Output_relaxed_input_section_by_input_section_map):
722 (Output_section::Relaxation_map): Change key type to Section_id.
724 2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
726 * gold/arm.cc: Added support for R_ARM_V4BX relocation
727 (class Arm_v4bx_stub): New class.
728 (DEF_STUBS): Updated definition to support v4_veneer_bx.
729 (Stub_factory::make_arm_v4bx_stub): New method.
730 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
731 (Stub_table::empty): Handle v4bx stubs.
732 (Stub_table::add_arm_v4bx_stub): New method.
733 (Stub_table::find_arm_v4bx_stub): New method.
734 (Arm_relocate_functions::v4bx): New method.
735 (Target_arm::fix_v4bx): New method.
736 (Target_arm::Target_arm): Handle R_ARM_V4BX.
737 (Stub_table::relocate_stubs): Likewise.
738 (Stub_table::do_write): Likewise.
739 (Stub_table::update_data_size_and_addralign): Likewise.
740 (Stub_table::finalize_stubs): Likewise.
741 (Target_arm::Scan::local): Likewise.
742 (Target_arm::Scan::global): Likewise.
743 (Target_arm::do_finalize_sections): Likewise.
744 (Target_arm::Relocate::relocate): Likewise.
745 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
747 (Target_arm::scan_reloc_for_stub): Likewise.
748 (Target_arm::scan_reloc_section_for_stubs): Likewise.
750 2010-01-19 Ian Lance Taylor <iant@google.com>
752 * output.cc (Output_section_headers::do_sized_write): Write large
753 segment count to sh_info field.
754 (Output_file_header::do_sized_write): For large segment count,
755 write PN_XNUM to e_phnum field.
757 2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
759 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
760 (Arm_relocate_functions::thm_jump8): New function.
761 (Arm_relocate_functions::thm_jump11): New function.
762 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
764 (Target_arm::Scan::global): Likewise.
765 (Target_arm::Relocate::relocate): Likewise.
766 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
769 2010-01-14 Doug Kwan <dougkwan@google.com>
771 * arm.cc (map, utility): Include headers.
772 (Target_arm::apply_cortex_a8_workaround): New method.
773 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
774 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
775 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
776 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
777 the --[no-]fix-cortex-a8 command line options.
778 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
779 (Target_arm::relocate_stub): Use addend in instruction template.
780 * options.h (DEFINE_bool): Set the user-set flag.
781 (General_options): Add --[no-]-fix-cortex options.
782 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
783 : Update fast look-up map after conversion.
785 2010-01-14 Sriraman Tallam <tmsriram@google.com>
787 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
788 in the first pass of do_layout.
790 2010-01-13 Doug Kwan <dougkwan@google.com>
792 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
793 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
794 apparent compiler problem of not folding static constant integral
795 data members of elfcpp::Elf_sizes<32>.
797 2010-01-13 Doug Kwan <dougkwan@google.com>
799 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
800 Arm_relobj::section_needs_cortex_a8_stub_scanning,
801 Arm_relobj::scan_section_for_cortex_a8_erratum,
802 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
803 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
804 sections to scan for relocation stubs into a new method
805 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
806 relocation and Cortex-A8 stub scanning.
807 (Target_arm::do_relax): Force stubs to be after stubbed sections
808 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
809 the beginning of a new relaxation pass. Update a comment.
810 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
812 2010-01-12 Ian Lance Taylor <iant@google.com>
814 * target-reloc.h (visibility_error): New inline function.
815 (relocate_section): Call visibility_error.
816 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
817 (MOSTLYCLEANFILES): Likewise.
818 (protected_4_pic.o, protected_3.err): New targets.
819 * testsuite/protected_4.cc: New file.
821 2010-01-12 Doug Kwan <dougkwan@google.com>
823 * arm.cc (Cortex_a8_reloc): New class.
824 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
825 and cortex_a8_relocs_info_.
826 (Target_arm::fix_cortex_a8): New method definition.
827 (Target_arm::Cortex_a8_relocs_info): New type.
828 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
829 New data member declarations.
830 (Target_arm::scan_reloc_for_stub): Record information about
831 relocations for THUMB branches that might be exempted from the
832 Cortex-A8 workaround.
833 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
834 at the beginning of a relaxation pass.
836 2010-01-12 Doug Kwan <dougkwan@google.com>
838 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
839 (Arm_relobj::Mapping_symbol_position,
840 Arm_reloj::Mapping_symbol_position_less,
841 Arm_relobj::Mapping_symbols_info): New types.
842 (Target_arm::is_mapping_symbol_name): New method definition.
843 (Arm_relobj::do_count_local_symbols): Save information about mapping
846 2010-01-11 Doug Kwan <dougkwan@google.com>
848 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
849 Arm_relocate_functions::thumb32_branch_upper,
850 Arm_relocate_functions::thumb32_branch_lower,
851 Arm_relocate_functions::thumb32_cond_branch_offset,
852 Arm_relocate_functions::thumb32_cond_branch_upper,
853 Arm_relocate_functions::thumb32_cond_branch_lower,
854 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
855 branch offset encoding.
856 (Arm_relocate_functions::thumb_branch_common): Use new branch
857 offset encoding methods to avoid code duplication.
858 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
859 (Stub_addend_reader::operator()): Use new branch encoding method
860 to avoid code duplication.
862 2010-01-11 Doug Kwan <dougkwan@google.com>
864 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
865 (Target_arm::do_finalize_sections): Define special EXIDX section
866 symbols only if referenced.
867 * gc.h (Garbage_collection::add_reference): New method.
868 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
871 2010-01-11 Ian Lance Taylor <iant@google.com>
873 * script.cc (Version_script_info::build_expression_list_lookup):
874 Change complaing about duplicate wildcard match from error to
877 * script.cc (class Lazy_demangler): Recreate--revert part of patch
879 (Version_script_info::Version_script_info): Initialize globs_,
880 default_version_, default_is_global_, and exact_. Don't
881 initialize globals_ or locals_.
882 (Version_script_info::build_lookup_tables): Build local symbols
884 (Version_script_info::unquote): New function.
885 (Version_script_info::add_exact_match): New function.
886 (Version_script_info::build_expression_list_lookup): Remove lookup
887 parameter. Add is_global parameter. Change all callers. Handle
888 wildcard pattern specially. Unquote pattern. Call
890 (Version_script_info::get_name_to_match): New function.
891 (Version_script_info::get_symbol_version): New function.
892 (Version_script_info::get_symbol_version_helper): Remove.
893 (Version_script_info::check_unmatched_names): Call unquote.
894 * script.h (class Version_script_info): Change get_symbol_version
895 to be non-inline and add is_global parameter; change all callers.
896 Rewrite symbol_is_local. Update declarations. Define struct
897 Version_tree_match, Exact, Globs. Don't define struct Lookup.
898 Remove globals_ and locals_ members. Add exact_, globs_,
899 default_version_, is_global_.
900 (Version_script_info::Glob): Remove pattern, add expression and
901 is_global. Update constructor. Change all callers.
902 * dynobj.cc (Versions::finalize): Mark the version symbol as the
904 (Versions::symbol_section_contents): If a symbol is undefined, or
905 defined in a dynamic object, set the version index to
907 * symtab.cc (Symbol_table::add_from_relobj): Don't call
909 (Symbol_table::add_from_pluginobj): Likewise.
910 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
912 2010-01-11 Doug Kwan <dougkwan@google.com>
914 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
915 (incremental_dump_LDADD): Add linking option for libintl.
916 * Makefile.in: Regenerate.
918 2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
921 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
923 * testsuite/Makefile.in: Regenerated.
925 2010-01-10 Doug Kwan <dougkwan@google.com>
927 * options.h (DEFINE_var): Use parentheses around argument varname__
928 in macro body to avoid any unintended subsequent substitutions.
930 2010-01-10 Ian Lance Taylor <iant@google.com>
932 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
933 candidates before doing symbol resolution.
935 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
936 ODR candidates if only one is weak.
938 2010-01-08 Ian Lance Taylor <iant@google.com>
940 * script.cc (Version_script_info::build_expression_list_lookup):
941 Don't warn about ambiguous version, just record the ambiguity.
942 (Version_script_info::get_symbol_version_helper): Give error if
943 version is ambiguous.
945 2010-01-08 Doug Kwan <dougkwan@google.com>
947 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
948 prev_data_size_ and prev_addralign_. Remove initializer for
949 deleted data member has_been_changed_.
950 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
951 to determine if the table is empty.
952 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
954 (Stub_table::add_reloc_stub): Define method in class definition
955 instead of just declaring it there.
956 (Stub_table::add_cortex_a8_stub): New method definition.
957 (Stub_table::update_data_size_and_addralign): Ditto.
958 (Stub_table::finalize_stubs): Ditto.
959 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
960 (Stub_table::do_addralign_): Return address alignment in the
961 (Stub_table::do_reset_address_and_file_offset): Define method in
962 class definition instead of declaring it there. Set current data
963 size to be the data size of the previous pass.
964 (Stub_table::set_final_data_size): Use current data size as the
966 (Stub_table::relocate_stub): Change parameter type of stub from
967 Reloc_stub pointer to Stub pointer.
968 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
969 (Stub_table::Cortex_a8_stub_list): New typedef.
970 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
971 Stub_table::prev_addralign_): New data member.
972 (Arm_relobj::Arm_relobj): Initialize data member
973 section_has_cortex_a8_workaround_.
974 (Arm_relobj::section_has_cortex_a8_workaround,
975 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
977 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
979 (Target_arm::relocate_stub): Change parameter type of stub from
980 Reloc_stub pointer to Stub pointer.
981 (Insn_template::size, Insn_template::alignment): Handle
982 THUMB16_SPECIAL_TYPE.
983 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
984 Stub_table::update_data_size_and_addralign,
985 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
987 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
988 (Stub_table::do_write): Ditto.
989 (Target_arm::do_relax): Adjust code for changes in Stub_table.
991 2010-01-08 Ian Lance Taylor <iant@google.com>
994 * symtab.h (class Symbol): Remove fields is_target_special_ and
995 has_plt_offset_. Add field is_defined_in_discarded_section_.
996 (Symbol::is_defined_in_discarded_section): New function.
997 (Symbol::set_is_defined_in_discarded_section): New function.
998 (Symbol::has_plt_offset): Rewrite.
999 (Symbol::set_plt_offset): Verify that new offset is not -1U.
1000 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1001 Don't initialize is_target_special_ or has_plt_offset_.
1002 Initialize is_defined_in_discarded_section_.
1003 (Symbol_table::add_from_relobj): If appropriate, set
1004 is_defined_in_discarded_section.
1005 * resolve.cc (Symbol::override_base_with_special): Don't test
1006 is_target_special_. Change has_plt_offset_ to has_plt_offset().
1007 * target-reloc.h (relocate_section): Do special handling for
1008 symbols defined in discarded sections for global symbols as well
1011 2010-01-08 Ian Lance Taylor <iant@google.com>
1013 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1014 the SHT_SYMTAB case.
1016 2010-01-08 Ian Lance Taylor <iant@google.com>
1018 * object.cc (Sized_relobj::do_layout): Don't get confused if
1019 layout_eh_frame returns NULL.
1021 2010-01-08 Ian Lance Taylor <iant@google.com>
1024 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1025 dynamic symbol table, use the normal symbol table.
1026 (Sized_dynobj::do_read_symbols): Remove assertion about type of
1029 2010-01-08 Ian Lance Taylor <iant@google.com>
1032 * layout.cc (Layout::include_section): Remove .gnu_debuglink
1035 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
1037 * version.cc (print_version): Change to "Copyright 2010".
1039 2010-01-08 Ian Lance Taylor <iant@google.com>
1043 * i386.cc (class Target_i386): Change return type of plt_section
1045 (class Output_data_plt_i386): Add tls_desc_rel_ field.
1046 (Output_data_plt_i386::Output_data_plt_i386): Initialize
1047 tls_desc_rel_ field.
1048 (Output_data_plt_i386::rel_tls_desc): New function.
1049 (Target_i386::rel_tls_desc_section): New function.
1050 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1051 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1052 R_386_TLS_DESC reloc in rel_tls_desc_section.
1053 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1054 Define struct Tlsdesc_info.
1055 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1056 (Target_x86_64::do_reloc_symbol_index): New function.
1057 (Target_x86_64::add_tlsdesc_info): New function.
1058 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1059 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1061 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
1063 (Output_data_plt_x86_64::rela_tlsdesc): New function.
1064 (Target_x86_64::rela_tlsdesc_section): New function.
1065 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1067 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1068 (Target_x86_64::do_reloc_addend): New function.
1069 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1070 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1071 declarations. Define TARGET_CODE. Add arg field to u1_ union.
1072 (Output_reloc::type): New function.
1073 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1074 (Output_reloc::is_target_specific): New function.
1075 (Output_reloc::target_arg): New function.
1076 (class Output_reloc) [SHT_RELA]: Add four new constructors for
1077 absolute relocs and target specific relocs.
1078 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1079 add_target_specific.
1080 (class Output_data_reloc) [SHT_RELA]: Likewise.
1081 * output.cc (Output_reloc::Output_reloc): Add four new versions
1082 for absolute relocs and target specific relocs.
1083 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1084 (Output_reloc::get_symbol_index): Likewise.
1085 (Output_reloc::local_section_offset): Check that local_sym_index_
1086 is not TARGET_CODE or 0.
1087 (Output_reloc::symbol_value): Likewise.
1088 (Output_reloc::write) [SHT_RELA]: Call target for target specific
1090 * target.h (class Target): Add reloc_symbol_index and reloc_addend
1091 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
1093 * layout.cc (add_target_dynamic_tags): Use output section for
1094 DT_PLTRELSZ and DT_JMPREL.
1096 2010-01-07 Ian Lance Taylor <iant@google.com>
1099 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1101 (class Output_data_reloc_generic): Define.
1102 (class Output_data_reloc_base): Change base class to
1103 Output_data_reloc_generic. Change add() method to call
1104 bump_relative_reloc_count for a relative reloc. Remove
1106 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1108 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1109 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
1111 * layout.h (class Layout): Update declaration.
1113 2010-01-07 Ian Lance Taylor <iant@google.com>
1115 * output.h (class Output_data): Add const version of
1116 output_section and do_output_section.
1117 (class Output_section_data): Add const version of
1119 (class Output_section): Likewise.
1120 * layout.cc (Layout::add_target_dynamic_tags): New function.
1121 * layout.h (class Layout): Update declarations.
1122 * arm.cc (Target_arm::do_finalize_sections): Use
1123 add_target_dynamic_tags.
1124 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1125 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1126 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1127 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1129 2010-01-07 Ian Lance Taylor <iant@google.com>
1132 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1135 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
1136 Ian Lance Taylor <iant@google.com>
1139 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1140 Xindex::read_symtab_xindex.
1142 2010-01-07 Doug Kwan <dougkwan@google.com>
1144 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1145 (Insn_template::thumb16_bcond_insn): New method declaration.
1146 (Insn_template): Fix spelling.
1147 (Stub::thumb16_special): New method declaration.
1148 (Stub::do_write): Define virtual method which was previously pure
1150 (Stub::do_thumb16_special): New method declaration.
1151 (Stub::do_fixed_endian_write): New template member.
1152 (Reloc_stub::do_write): Remove.
1153 (Reloc_stub::do_fixed_endian_write): Remove.
1154 (Cortex_a8_stub): New class definition.
1155 (Stub_factory::make_cortex_a8_stub): New method definition.
1156 (Stub_factory::Stub_factory): Add missing static storage class
1157 qualifier for elf32_arm_stub_a8_veneer_blx.
1159 2010-01-07 Ian Lance Taylor <iant@google.com>
1162 * options.h (class General_options): Add --warn-unresolved-symbols
1163 and --error-unresolved-symbols.
1164 * errors.cc (Errors::undefined_symbol): Implement
1165 --warn-unresolved-symbols.
1167 * options.h (class General_options): Add -z text and -z textoff.
1168 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1170 2010-01-06 Sriraman Tallam <tmsriram@google.com>
1172 * gc.h (Garbage_collection::Cident_section_map): New typedef.
1173 (Garbage_collection::cident_sections): New function.
1174 (Garbage_collection::add_cident_section): New function.
1175 (Garbage_collection::cident_sections_): New member.
1176 (gc_process_relocs): Add references to sections whose names are C
1178 * gold.h (cident_section_start_prefix): New constant.
1179 (cident_section_stop_prefix): New constant.
1180 (is_cident): New function.
1181 * layout.cc (Layout::define_section_symbols): Replace string constants
1182 with the newly defined constants.
1183 * object.cc (Sized_relobj::do_layout): Track sections whose names are
1185 * testsuite/Makefile.am: Add gc_orphan_section_test.
1186 * testsuite/Makefile.in: Regenerate.
1187 * testsuite/gc_orphan_section_test.cc: New file.
1188 * testsuite/gc_orphan_section_test.sh: New file.
1190 2010-01-06 Ian Lance Taylor <iant@google.com>
1193 * options.h (class General_options): Add --warn-shared-textrel.
1194 * layout.cc (Layout::finish_dynamic_section): Implement
1195 --warn-shared-textrel.
1198 * options.h (class General_options): Add --warn-multiple-gp.
1200 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1202 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1203 $(THREADSLIB) and $(LIBDL).
1204 * Makefile.in: Rebuild.
1206 2010-01-06 Ian Lance Taylor <iant@google.com>
1209 * options.cc (General_options::parse_section_start): New function.
1210 (General_options::section_start): New function.
1211 (General_options::General_options): Initialize all members.
1212 * options.h: Include <map>
1213 (class General_options): Add --section-start. Add section_starts_
1215 * layout.cc (Layout::attach_allocated_section_to_segment): If
1216 --section-start was used, set the address of the segment. Remove
1217 local sort_sections.
1218 (Layout::relaxation_loop_body): If the address of the load segment
1219 has been set by --section-start, don't use it.
1220 * output.h (Output_segment::update_flags_for_output_section): New
1222 * output.cc (Output_segment::add_output_section): Call
1223 update_flags_for_output_section.
1225 2010-01-05 Ian Lance Taylor <iant@google.com>
1228 * options.h (class General_options): Add --undefined-version.
1229 * script.cc (struct Version_expression): Add was_matched_by_symbol
1231 (Version_script_info::matched_symbol): New function.
1232 (Version_script_info::get_symbol_version_helper): Call
1234 (Version_script_info::check_unmatched_names): New function.
1235 * script.h (class Version_script_info): Update declarations.
1236 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1238 * options.h (class General_options): Use DEFINE_bool_alias for
1239 allow_multiple_definition.
1240 * resolve.cc (Symbol_table::should_override): Don't test
1241 allow_multiple_definition.
1244 * options.h (class General_options): Add --cref.
1245 * main.cc (main): Print cref table if --cref. Don't close mapfile
1246 until after printing cref table.
1247 * cref.cc: Include "symtab.h".
1248 (class Cref_inputs): Define Cref_table_compare and Cref_table.
1249 (Cref_table_compare::operator()): New function.
1250 (Cref_inputs::gather_cref): New function.
1251 (filecol): New static const.
1252 (Cref_inputs::print_cref): New function.
1253 (Cref::print_cref): New function.
1254 * cref.h: Include <cstdio>.
1255 (class Cref): Update declarations.
1256 * mapfile.h (Mapfile::file): New function.
1257 * object.h (class Object): Define Symbols. Declare virtual
1258 do_get_global_symbols.
1259 (Object::get_global_symbols): New function.
1260 * object.cc (Input_objects::add_object): Pass object to cref_ if
1262 (Input_objects::archive_start): Likewise.
1263 (Input_objects::archive_stop): Likewise.
1264 (Input_objects::print_cref): New function.
1265 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1266 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1268 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1270 * plugin.h (class Sized_pluginobj): Update declarations.
1272 2010-01-05 Ian Lance Taylor <iant@google.com>
1274 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1275 to is_default_version. Rename insdef to insdefault.
1276 (Symbol_table::add_from_relobj): Rename def to is_default_version
1277 and local to is_forced_local.
1278 (Symbol_table::add_from_pluginobj): Likewise.
1279 (Symbol_table::add_from_dynobj): Likewise.
1280 (Symbol_table::define_special_symbol): Rename insdef to
1283 2010-01-04 Ian Lance Taylor <iant@google.com>
1286 * options.h (class General_options): Add
1287 --allow-multiple-definition and -z muldefs.
1288 * resolve.cc (Symbol_table::should_override): Don't warn about a
1289 multiple symbol definition if --allow-multiple-definition or -z
1293 * options.h (class General_options): Add --add-needed and
1294 --copy-dt-needed-entries. Tweak --as-needed help entry.
1295 * object.cc (Input_objects::check_dynamic_dependencies): Give an
1296 error if --copy-dt-needed-entries aka --add-needed is used and
1297 would cause a change in behaviour.
1300 * options.h (class General_options): Add -G as a short version of
1301 --shared. Add no-op options -assert, -g, and -i.
1303 2010-01-04 Sriraman Tallam <tmsriram@google.com>
1305 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1306 check for .text or .gnu.linkonce.t sections.
1307 * icf.cc (Icf::find_identical_sections): Ditto.
1308 Change the detection for mangled function name within the section
1310 * icf.h (is_section_foldable_candidate): New function.
1312 2009-12-30 Ian Lance Taylor <iant@google.com>
1315 * options.h (class General_options): Permit two dashes with
1316 --retain-symbols-file.
1318 2009-12-30 Ian Lance Taylor <iant@google.com>
1321 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1322 don't put the file header and segment headers in the text
1326 * common.cc (Sort_commons::operator()): Stabilize sort when both
1328 (Symbol_table::do_allocate_commons_list): When allocating common
1329 symbols, skip a symbol which is no longer common.
1330 * symtab.h (Symbol::is_common): Test whether the symbol comes from
1331 an object before checking its type.
1332 * testsuite/common_test_2.c: New file.
1333 * testsuite/common_test_3.c: New file.
1334 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1335 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1336 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1337 (common_test_2_pic.o, common_test_2.so): New targets.
1338 (common_test_3_pic.o, common_test_3.so): New targets.
1339 * testsuite/Makefile.in: Rebuild.
1342 * script.cc (read_input_script): If we see a new SECTIONS clause,
1343 and we have added an input section, give an error.
1344 * layout.h (class Layout): Add have_added_input_section function.
1345 Add have_added_input_section_ field.
1346 * layout.cc (Layout::Layout): Initialize
1347 have_added_input_section_.
1348 (Layout::layout): Set have_added_input_section_.
1349 (Layout::layout_eh_frame): Likewise.
1351 2009-12-30 Ian Lance Taylor <iant@google.com>
1354 * options.h (class General_options): Add --sort-common option.
1355 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1356 * common.cc (Sort_common): Add sort_order parameter to
1357 constructor. Add sort_order_ field.
1358 (Sort_commons::operator): Check sort_order_.
1359 (Symbol_table::allocate_commons): Determine the sort order.
1360 (Symbol_table::do_allocate_commons): Add sort_order parameter.
1362 (Symbol_table::do_allocate_commons_list): Likewise.
1364 2009-12-30 Ian Lance Taylor <iant@google.com>
1367 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1368 symbols from this object, don't change the visibility of an
1370 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1372 2009-12-30 Ian Lance Taylor <iant@google.com>
1375 * script.h (class Version_script_info): Define Language enum.
1376 Update declarations. Define Glob, Exact, and Lookup types. Add
1377 new fields globals_, locals_, and is_finalized_.
1378 * script.cc: Various formatting fixes.
1379 (class Parser_closure): Change language_stack_ from a vector of
1380 std::string to one of Version_script_info::Language. Adjust all
1382 (class Lazy_demangler): Remove.
1383 (struct Version_expression): Change language from std::string to
1384 Version_script_info::Language.
1385 (Version_script_info::Version_script_info): New function.
1386 (Version_script_info::~Version_script_info): Don't call clear.
1387 (Version_script_info::finalize): New function.
1388 (Version_script_info::build_lookup_tables): New function.
1389 (Version_script_info::build_expression_list_lookup): New
1391 (Version_script_info::get_symbol_version_helper): Rewrite to use
1393 (Version_script_info::print_expression_list): Adjust to use
1394 Version_script_info::Language.
1395 (script_push_lex_into_version_mode): Check that the version script
1396 has not been finalized.
1397 (version_script_push_lang): Change language string to
1398 Version_script_info::Language.
1399 * options.cc (Command_line::version_script): New function.
1400 * options.h (class General_options): Add finalize_dynamic_list
1401 function. Change version_script from declaration to definition.
1402 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1403 * testsuite/version_script.map: Remove duplicate def of foo.
1404 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1406 * testsuite/Makefile.in: Rebuild.
1408 2009-12-30 Ian Lance Taylor <iant@google.com>
1411 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1412 if the input symbol index is 0, make the output symbol index 0.
1414 2009-12-30 Ian Lance Taylor <iant@google.com>
1417 * options.h (class General_options): Add -x/--discard-all.
1418 * object.cc (Sized_relobj::do_count_local_symbols): Handle
1419 --discard-all. If the local symbol needs a dynamic entry, check
1420 that before handling --discard-locals.
1422 2009-12-30 Ian Lance Taylor <iant@google.com>
1425 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1427 (Output_segment::add_output_section): Don't change the flags if
1431 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1432 GNU hash table if they need a dynamic value. Otherwise, don't add
1433 them if they are defined in a dynamic object or are forced local.
1435 2009-12-29 Ian Lance Taylor <iant@google.com>
1438 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1439 .gnu.hash table for a 32-bit target.
1442 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1443 regular and a dynamic object only needs a dynamic symbol table
1444 entry if it is externally visible.
1447 * i386.cc (class Target_i386): Initialize global_offset_table_ in
1448 constructor. Add global_offset_table_ field.
1449 (Target_i386::got_section): Set global_offset_table_.
1450 (Target_i386::do_finalize_sections): Set global_offset_table_
1452 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1453 in constructor. Add global_offset_table_ field.
1454 (Target_x86_64::got_section): Set global_offset_table_.
1455 (Target_x86_64::do_finalize_sections): Set global_offset_table_
1458 * layout.cc (Layout::Layout): Initialize increase_relro_.
1459 (Layout::get_output_section): Add is_relro, is_last_relro, and
1460 is_first_non_relro parameters. Change all callers.
1461 (Layout::choose_output_section): Likewise.
1462 (Layout::add_output_section_data): Likewise.
1463 (Layout::make_output_section): Likewise.
1464 (Layout::set_segment_offsets): Clear increase_relro when using a
1466 * layout.h (class Layout): Add increase_relro method. Add
1467 increase_relro_ field. Update declarations.
1468 * output.cc (Output_section::Output_section): Initialize
1469 is_last_relro_ and is_first_non_relro_.
1470 (Output_segment::add_output_section): Group relro sections is
1471 do_sort is true. Handle is_last_relro and is_first_non_relro.
1472 (Output_segment::maximum_alignment): Remove relro handling.
1473 (Output_segment::set_section_addresses): Add increase_relro
1474 parameter. Change all callers. Add initial alignment to align
1475 relro sections on separate page. Remove old relro handling.
1476 (Output_segment::set_section_list_addresses): Remove in_relro
1477 parameter. Change all callers.
1478 (Output_segment::set_offset): Add increase parameter. Change all
1479 callers. Remove old relro handling.
1480 * output.h (class Output_section): Add new methods: is_last_relro,
1481 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1482 Add is_last_relro_ and is_first_non_relro_ fields.
1483 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1484 Create separate .got.plt section. Call increase_relro.
1485 * x86_64.cc (Target_x86_64::got_section): Likewise.
1486 * testsuite/relro_script_test.t: Add .got.plt.
1489 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1490 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1491 (Layout::finalize): Call set_dynamic_symbol_size.
1492 (Layout::set_dynamic_symbol_size): New function.
1493 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
1494 set_dynamic_symbol_size.
1497 * output.h (class Output_section): Add is_entsize_zero_ field.
1498 * output.cc (Output_section::Output_section): Initialize
1500 (Output_section::set_entsize): If two different entsizes are
1501 requested, force it to zero.
1502 (Output_section::add_input_section): Set flags for .debug_str
1503 before updating section flags. Set entsize.
1504 (Output_section::update_flags_for_input_section): Set SHF_MERGE
1505 and SHF_STRING if all input sections have those flags.
1507 2009-12-29 Rafael Espindola <espindola@google.com>
1509 * main.cc (main): Fix the sys time reporting.
1510 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1513 2009-12-29 Sriraman Tallam <tmsriram@google.com>
1515 * options.cc (General_options::parse_version): Allow -v to exit
1516 without an error if there is nothing to link.
1518 2009-12-29 Ian Lance Taylor <iant@google.com>
1520 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1521 using a version of gcc before 4.1.
1522 * configure: Rebuild.
1524 2009-12-28 Chris Demetriou <cgd@google.com>
1526 * attributes.cc (Output_attributes_section_data::do_write): Use
1527 std::vector::front rather than std::vector::data.
1529 2009-12-28 Ian Lance Taylor <iant@google.com>
1531 * symtab.h (class Symbol_table): Add enum Defined.
1532 * resolve.cc (Symbol_table::should_override): Add defined
1533 parameter. Change all callers. Test whether object is NULL
1534 before calling a method on it.
1535 (Symbol_table::report_resolve_problem): Add defined parameter.
1537 (Symbol_table::should_override_with_special): Likewise.
1538 * symtab.cc (Symbol_table::define_in_output_data): Add defined
1539 parameter. Change all callers.
1540 (Symbol_table::do_define_in_output_data): Likewise.
1541 (Symbol_table::define_in_output_segment): Likewise.
1542 (Symbol_table::do_define_in_output_segment): Likewise.
1543 (Symbol_table::define_as_constant): Likewise.
1544 (Symbol_table::do_define_as_constant): Likewise.
1545 * script.h (class Symbol_assignment): Add is_defsym parameter to
1546 constructor; change all callers.
1547 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1548 parameter. Change all callers. Add is_defsym_ field.
1549 (class Parser_closure): Add parsing_defsym parameter to
1550 constructor; change all callers. Add parsing_defsym accessor
1551 function. Add parsing_defsym_ field.
1553 2009-12-28 Ian Lance Taylor <iant@google.com>
1555 * gold.cc (queue_middle_tasks): Fix formatting.
1556 * object.cc (Relobj::is_section_name_included): Likewise.
1558 2009-12-23 Ian Lance Taylor <iant@google.com>
1560 * i386.cc (Target_i386::do_calls_non_split): Recognize
1561 -fsplit-stack prologue for a function with a static chain.
1562 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1563 -fsplit-stack prologue when using %r11.
1565 2009-12-21 Sriraman Tallam <tmsriram@google.com>
1567 * options.cc (General_options::parse_version): Make -v continue and do
1568 the link like GNU ld does.
1570 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
1572 * Makefile.am (CCFILES): Add timer.cc.
1573 (HFILES): Add timer.h.
1574 * configure.ac: Check for sysconf and times.
1575 * main.cc: include timer.h.
1576 (main): Use Timer instead of get_run_time.
1579 * workqueue.cc: include timer.h.
1580 (Workqueue::find_and_run_task):
1581 Report user, sys and wall time.
1582 * Makefile.in: Regenerate.
1583 * config.in: Regenerate.
1584 * configure: Regenerate.
1586 2009-12-16 Doug Kwan <dougkwan@google.com>
1588 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1590 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1591 relaxed input sections.
1592 * output.cc (Output_section::find_relaxed_input_section): Change
1593 return type to Output_relaxed_input_section pointer. Adjust code
1594 for new type of relaxed_input_section_map_.
1595 * output.h (Output_section::find_relaxed_input_section): Change
1596 return type to Output_relaxed_input_section pointer.
1597 (Output_section::Output_relaxed_input_section_by_input_section_map):
1599 (Output_section::relaxed_input_section_map_): Change type to
1600 Output_section::Output_relaxed_input_section_by_input_section_map.
1601 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1604 2009-12-15 Ian Lance Taylor <iant@google.com>
1606 * layout.cc (Layout::create_shstrtab): Only write out after input
1607 sections if we are compressing debug sections.
1609 2009-12-15 Ian Lance Taylor <iant@google.com>
1611 * archive.cc (Archive::add_symbols): Only look up a symbol without
1612 a version if there is, in fact, a version.
1614 2009-12-14 Ian Lance Taylor <iant@google.com>
1616 Revert -Wshadow changes, all changes from:
1617 2009-12-11 Doug Kwan <dougkwan@google.com>
1618 2009-12-11 Nick Clifton <nickc@redhat.com>
1619 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1621 2009-12-11 Doug Kwan <dougkwan@google.com>
1623 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1625 * attributes.cc (Object_attribute::size): Ditto.
1626 (Attributes_section_data::size): Ditto.
1627 (Attributes_section_data::Attributes_section_data): Ditto.
1628 (Output_attributes_section_data::do_write): Ditto.
1629 * attributes.h (Object_attribute::set_type): Ditto.
1630 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1632 2009-12-11 Nick Clifton <nickc@redhat.com>
1634 * archive.cc: Fix shadowed variable warnings.
1636 * compressed_output.cc: Likewise.
1637 * compressed_output.h: Likewise.
1638 * configure: Likewise.
1639 * dwarf_reader.cc: Likewise.
1640 * dynobj.cc: Likewise.
1641 * dynobj.h: Likewise.
1642 * ehframe.cc: Likewise.
1643 * ehframe.h: Likewise.
1644 * errors.cc: Likewise.
1645 * expression.cc: Likewise.
1646 * fileread.cc: Likewise.
1647 * fileread.h: Likewise.
1648 * freebsd.h: Likewise.
1649 * i386.cc: Likewise.
1651 * incremental.h: Likewise.
1652 * layout.cc: Likewise.
1653 * layout.h: Likewise.
1654 * mapfile.cc: Likewise.
1655 * merge.cc: Likewise.
1656 * merge.h: Likewise.
1657 * object.cc: Likewise.
1658 * object.h: Likewise.
1659 * options.h: Likewise.
1660 * output.cc: Likewise.
1661 * output.h: Likewise.
1662 * parameters.cc: Likewise.
1663 * plugin.cc: Likewise.
1664 * powerpc.cc: Likewise.
1665 * reduced_debug_output.cc: Likewise.
1666 * reduced_debug_output.h: Likewise.
1667 * reloc.cc: Likewise.
1668 * reloc.h: Likewise.
1669 * resolve.cc: Likewise.
1670 * script-sections.cc: Likewise.
1671 * script.cc: Likewise.
1672 * script.h: Likewise.
1673 * sparc.cc: Likewise.
1674 * symtab.cc: Likewise.
1675 * symtab.h: Likewise.
1676 * target-select.cc: Likewise.
1677 * target-select.h: Likewise.
1678 * token.h: Likewise.
1679 * workqueue.cc: Likewise.
1680 * workqueue.h: Likewise.
1681 * x86_64.cc: Likewise.
1683 2009-12-10 Doug Kwan <dougkwan@google.com>
1685 * arm.cc (attributes.h): New include.
1686 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1687 (Arm_relobj::~Arm_relobj): Delete object pointed by
1688 attributes_section_data_.
1689 (Arm_relobj::attributes_section_data): New method definition.
1690 (Arm_relobj::attributes_section_data_): New data member declaration.
1691 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1692 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1693 attributes_section_data_.
1694 (Arm_dynobj::attributes_section_data): New method definition.
1695 (Arm_dynobj::attributes_section_data_): New data member declaration.
1696 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
1697 initialization value of may_use_blx_ to false.
1698 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1699 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1700 object attributes to compute results instead of hard-coding.
1701 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1702 Target_arm::get_secondary_compatible_arch,
1703 Target_arm::set_secondary_compatible_arch
1704 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1705 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1706 New method declarations.
1707 (Target_arm::get_aeabi_object_attribute): New method definition.
1708 (Target_arm::attributes_section_data_): New data member declaration.
1709 (read_arm_attributes_section): New template definition.
1710 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1711 (Arm_dynobj::do_read_symbols): Ditto.
1712 (Target_arm::do_finalize_sections): Merge attributes sections from
1713 input. Check for BLX use after attributes section merging.
1714 Fix __exidx_start and __exidx_end visibility. Create an
1715 .ARM.attributes section if necessary.
1716 (Target_arm::get_secondary_compatible_arch,
1717 Target_arm::set_secondary_compatible_arch,
1718 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1719 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1720 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1721 New method definitions.
1723 2009-12-09 Ian Lance Taylor <iant@google.com>
1725 * plugin.cc (Plugin::load): Don't cast from void* to a function
1728 2009-12-09 Ian Lance Taylor <iant@google.com>
1730 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1733 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
1735 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1736 Replace two_file_shared_1.so with two_file_shared_2.so.
1737 * testsuite/Makefile.in: Regenerated.
1739 2009-12-08 Doug Kwan <dougkwan@google.com>
1741 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1742 (HFILES): Add attributes.h and int_encoding.h.
1743 * Makefile.in: Regenerate.
1744 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1745 function definitions to int_encoding.cc
1746 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1747 prototypes to int_encoding.h
1748 * reduced_debug_output.cc (int_encoding.h): New include.
1749 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1750 function definitions to int_encoding.cc
1751 (insert_into_vector, read_from_pointer): Move template definitions to
1753 * attributes.cc: New file.
1754 * attributes.h: New file.
1755 * int_encoding.cc: New file.
1756 * int_encoding.h: New file.
1758 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
1761 * incremental-dump.cc (dump_incremental_inputs): New.
1762 (main): Use dump_incremental_inputs.
1764 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
1767 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1768 checking elfcpp::STT_FUNC.
1769 (Target_i386::Relocate::relocate): Likewise.
1770 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1772 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1773 symbols from shared libraries into normal FUNC symbols.
1775 * symtab.h (Symbol): Add is_func and use it.
1777 2009-12-05 Doug Kwan <dougkwan@google.com>
1779 * arm.cc (Target_arm::arm_info): Initialize new fields
1780 attributes_section and attributes_vendor.
1781 * i386.cc (Target_i386::i386_info): Same.
1782 * object.cc (Sized_relobj::do_layout): Skip attribute section.
1783 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1784 fields attributes_section and attributes_vendor.
1785 * sparc.cc (Target_sparc::sparc_info): Same.
1786 * target.h (Target::attributes_section, Target::attributes_vendor,
1787 Target::is_attributes_section, Target::attribute_arg_type,
1788 Target::attributes_order): New method definitions.
1789 (Target::Target_info::attributes_section,
1790 Target::Target_info::attributes_vendor): New fields.
1791 (Target::do_attribute_arg_type, Target::do_attributes_order): New
1792 virtual method definitions.
1793 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1794 attributes_section and attributes_vendor.
1795 * testsuite/testfile.cc (Target_test::test_target_info): Same.
1797 2009-12-05 Doug Kwan <dougkwan@google.com>
1799 * arm.cc: Update comments about interworking and stub generation.
1800 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1801 considered as non-PIC.
1802 (Arm_relocate_functions::base_abs): Fix formatting.
1803 (Arm_relocate_functions::got_prel): Fix comment. Change interface
1804 of function to use GOT entry address instead of offset.
1805 (Target_arm::Scan::global): Issue an error if a symbol would need a
1806 PLT does not get one because it is untyped. Remove code to create
1807 dynamic symbols for relative branches.
1808 (Target_arm::Relocate::relocate: Use 0 instead of false since function
1809 takes unsigned integer instead of boolean.
1811 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
1813 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1814 (two_file_test_LDADD): Likewise.
1815 (common_test_1_LDADD): Likewise.
1816 (exception_test_LDADD) Likewise.
1817 (weak_test_LDADD): Likewise.
1818 (many_sections_test_LDADD): Likewise.
1819 (initpri1_LDADD): Likewise.
1820 (script_test_1_LDADD): Likewise.
1821 (script_test_2_LDADD): Likewise.
1822 (justsyms_LDADD): Likewise.
1823 (binary_test_LDADD): Likewise.
1824 (large_LDADD): Likewise.
1825 * testsuite/Makefile.in: Regenerated.
1827 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1829 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1830 (Symbol_table::override_with_special): Likewise.
1831 (Symbol_table::add_from_object): Likewise.
1833 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1835 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1836 Don't set the data_offset twice.
1838 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1840 * testsuite/Makefile.in: Regenerate.
1842 2009-12-03 Doug Kwan <dougkwan@google.com>
1844 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1845 (Target_arm::do_finalize_sections): Add parameter for symbol table
1846 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
1847 * i386.cc (Target_i386::do_finalize_sections): Add an additional
1848 parameter for symbol table pointer.
1849 * layout.cc (Layout::finalize): Call Target::finalize_sections with
1850 an additional parameter for a pointer to symbol table.
1851 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1852 parameter for a symbol table pointer.
1853 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1854 * target.h (Target::finalize_sections, Target::do_finalize_sections):
1856 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1857 parameter for a symbol table pointer.
1859 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
1861 * incremental.cc (Incremental_inputs_header)
1862 (Incremental_inputs_header_write, Incremental_inputs_entry)
1863 (Incremental_inputs_entry_write): Move ...
1864 * incremental.h (Incremental_inputs_header)
1865 (Incremental_inputs_header_write, Incremental_inputs_entry)
1866 (Incremental_inputs_entry_write): here.
1868 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1870 * incremental.cc (make_sized_incremental_binary): Set the target.
1871 Error if it is incompatible.
1872 * output.h (Output_file): Add filename method.
1874 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1876 * incremental.cc (Incremental_inputs_entry): Remove unused argument
1877 from the get_* methods.
1879 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1881 * incremental-dump.cc (main): Check that the offeset of a script is 0.
1882 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1883 Write 0 for the data_offset of scripts.
1885 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1887 * testsuite/Makefile.am: Add the incremental_test.sh test.
1888 * testsuite/incremental_test.sh: New.
1889 * testsuite/incremental_test_1.c: New.
1890 * testsuite/incremental_test_2.c: New.
1892 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
1894 * incremental-dump.cc (main): Fix typos.
1896 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
1899 * incremental-dump.cc (main): Use llu to print 64 bit values.
1901 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
1902 H.J. Lu <hongjiu.lu@intel.com>
1904 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1906 (incremental_dump_LDADD): Likewise.
1907 * Makefile.in: Regenerated.
1909 2009-11-25 Doug Kwan <dougkwan@google.com>
1913 2009-11-25 Doug Kwan <dougkwan@google.com>
1915 * arm.cc (Target_arm::Target_arm): Move method definition
1916 outside of class definition. Add code to handle
1917 --target1-rel, --target1-abs and --target2= options.
1918 (Target_arm::get_reloc_reloc_type): Change method to be
1919 non-static and const.
1920 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1921 New data member declaration.
1922 (Target_arm::Scan::local, Target_arm::Scan::global,
1923 Target_arm::Relocate::relocate,
1924 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1925 Adjust call to Target_arm::get_real_reloc_type.
1926 (Target_arm::get_real_reloc_type): Use command line options
1927 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1928 * options.h (--target1-rel, --target1-abs, --target2): New
1931 2009-11-25 Doug Kwan <dougkwan@google.com>
1933 * arm.cc (Target_arm::Target_arm): Move method definition outside of
1934 class definition. Add code to handle --target1-rel, --target1-abs
1935 and --target2= options.
1936 (Target_arm::get_reloc_reloc_type): Change method to be non-static
1938 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1940 (Target_arm::Scan::local, Target_arm::Scan::global,
1941 Target_arm::Relocate::relocate,
1942 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1943 call to Target_arm::get_real_reloc_type.
1944 (Target_arm::get_real_reloc_type): Use command line options to
1945 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1946 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1949 2009-11-25 Doug Kwan <dougkwan@google.com>
1951 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1952 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1953 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1955 (Arm_relocate_functions::thm_call): Replace body with a call to
1956 Arm_relocate_functions::thumb_branch_common.
1957 (Arm_relocate_functions::thm_jump24,
1958 Arm_relocate_functions::thm_xpc22): New method definitions.
1959 (Arm_relocate_functions::thumb_branch_common): New method definition.
1960 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1962 (Target_arm::Relocate::relocate): Adjust call to thm_call.
1963 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1965 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1967 * Makefile.am: Build incremental-dump
1968 * Makefile.in: Regenerate.
1969 * incremental-dump.cc: New.
1970 * incremental.cc (Incremental_inputs_header_data,
1971 Incremental_inputs_entry_data): Move to incremental.h
1972 * incremental.h: (Incremental_inputs_header_data,
1973 Incremental_inputs_entry_data): Move from incremental.cc
1975 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1977 * incremental.cc (Incremental_inputs_header,
1978 Incremental_inputs_header_write, Incremental_inputs_entry,
1979 Incremental_inputs_entry_write): Add a typedef with the data type.
1981 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1983 * incremental.cc (Incremental_inputs_header,
1984 Incremental_inputs_header_write, Incremental_inputs_entry,
1985 Incremental_inputs_entry_write): Update comment about which
1986 type has the filed descriptions.
1988 2009-11-15 Doug Kwan <dougkwan@google.com>
1990 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1991 (Arm_relocate_functions::arm_branch_common): Change method defintion
1992 in class definition to a method declaration and update list of formal
1994 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1995 Arm_relocation_functions::jump24): Adjust call to
1996 Arm_relocate_functions::arm_branch_common. Update list of formal
1998 (Arm_relocate_functions::xpc25): New method definition.
1999 (Arm_relocate_functions::arm_branch_common): Move method defintion
2000 out from class definition. Use stubs for mode-switching and extending
2002 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2003 specially. Change code to enable use of stubs in ARM branches.
2005 2009-11-10 Doug Kwan <dougkwan@google.com>
2007 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2008 in method declaration.
2009 (Target_arm::relocate_stub): New method declaration.
2010 (Target_arm::default_target): Change to return a pointer instead of
2012 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2013 Target_arm::default_target.
2014 (Arm_Relobj::do_relocate_sections): Remove options paramater in
2016 (Target_arm::relocate_section): Adjust view.
2017 (Target_arm::relocate_stub): New method definition.
2019 2009-11-10 Doug Kwan <dougkwan@google.com>
2021 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2023 * incremental.cc (open_incremental_binary): Initialized local
2024 variables to avoid warnings.
2025 * object.cc (make_elf_object): Ditto.
2026 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2029 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
2032 * testsuite/plugin_test.c: Include "config.h".
2034 2009-11-09 Doug Kwan <dougkwan@google.com>
2036 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2037 (arm_symbol_value): Remove.
2038 (Arm_relocate_functions::arm_branch_common,
2039 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2040 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2041 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2042 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2043 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2044 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2045 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2046 Arm_relocate_functions::thm_mobw_abs_nc,
2047 Arm_relocate_functions::thm_mov_abs,
2048 Arm_relocate_functions::movw_prel_nc,
2049 Arm_relocate_functions::thm_movt_abs,
2050 Arm_relocate_functions::movt_prel,
2051 Arm_relocate_functions::thm_movw_prel_nc,
2052 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2053 (Target_arm::Relocate::relocate): Only decompose address into two
2054 parts if relocation type uses the thumb-bit and pass the actual
2055 bit instead of a flag indicating that the thumb-bit is used. Adjust
2056 calls to methods in Arm_relocate_functions for this change.
2058 2009-11-08 Ian Lance Taylor <iant@google.com>
2061 * reloc.cc: Instantiate
2062 Sized_relobj::initialize_input_to_output_maps and
2063 Sized_relobj:free_input_to_output_maps.
2065 2009-11-06 Ian Lance Taylor <iant@google.com>
2068 * defstd.cc (in_segment): Set only_if_ref true for "end".
2070 2009-11-06 Doug Kwan <dougkwan@google.com>
2072 * arm.cc (class Reloc_stub): Correct a comment.
2073 (Target_arm::Target_arm): Initialize arm_input_section_map_.
2074 (Target_arm::scan_section_for_stubs): New method declaration.
2075 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2076 Change methods from private to protected.
2077 (Target_arm::do_may_relax): New method definition.
2078 (Target_arm::do_relax, Target_arm::group_sections,
2079 Target_arm::scan_reloc_for_stub,
2080 Target_arm::scan_reloc_section_for_stubs): New method declarations.
2081 (Target_arm::arm_input_section_map_): New data member declaration.
2082 (Target_arm::scan_reloc_for_stub,
2083 Target_arm::scan_reloc_section_for_stubs,
2084 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2085 Target_arm::do_relax): New method definitions.
2087 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
2089 * configure.ac: Check for (struct stat)::st_mtim
2090 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2091 * config.in: Regenerate.
2092 * configure: Regenerate.
2094 2009-11-05 Ian Lance Taylor <iant@google.com>
2097 * output.cc (Output_segment::add_output_section): Add missing
2100 2009-11-04 Ian Lance Taylor <iant@google.com>
2103 * object.h (class Object): Add is_needed and set_is_needed
2104 methods. Add is_needed_ field. Make bool fields into bitfields.
2105 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2106 defined in a dynamic object and referenced by a regular object,
2107 set is_needed for the dynamic object.
2108 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2109 if the file is marked with as_needed and it is not needed.
2111 2009-11-04 Ian Lance Taylor <iant@google.com>
2114 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2115 tags if data is discarded by linker script.
2116 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2117 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2118 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2119 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2121 2009-11-04 Ian Lance Taylor <iant@google.com>
2123 * layout.cc (Layout::get_output_section): Add is_interp and
2124 is_dynamic_linker_section parameters. Change all callers.
2125 (Layout::choose_output_section): Likewise.
2126 (Layout::make_output_section): Likewise.
2127 (Layout::add_output_section_data): Add is_dynamic_linker_section
2128 parameter. Change all callers.
2129 * layout.h (class Layout): Update declarations.
2130 * output.h (class Output_section): Add is_interp, set_is_interp,
2131 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2132 Add is_interp_, is_dynamic_linker_section_ fields. Change
2133 generate_code_fills_at_write_ to a bitfield.
2134 * output.cc (Output_section::Output_sections): Initialize new
2136 (Output_segment::add_output_section): Add do_sort parameter.
2139 2009-11-03 Ian Lance Taylor <iant@google.com>
2142 * options.h (class General_options): Add --warn-common.
2143 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2144 merging two common symbols.
2145 (Symbol_table::should_override): Handle --warn-common when merging
2146 a common symbol with a defined symbol. Use report_resolve_problem
2147 for multiple definitions.
2148 (Symbol_table::report_resolve_problem): New function.
2149 * symtab.h (class Symbol_table): Declare report_resolve_problem.
2151 2009-11-03 Doug Kwan <dougkwan@google.com>
2153 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2155 (Target_arm::stub_factory): New method definition.
2156 (Target_arm::new_arm_input_section,
2157 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2158 Target_arm::reloc_uses_thumb_bit): New method declarations.
2159 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
2160 New type definitions.
2161 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2162 member declarations.
2163 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2164 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2165 New method definitions.
2167 2009-11-03 Ian Lance Taylor <iant@google.com>
2169 * options.h (class General_options): Add --warn_constructors.
2171 2009-11-03 Ian Lance Taylor <iant@google.com>
2174 * defstd.cc (in_section): Add entries for __rel_iplt_start,
2175 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2177 2009-11-03 Ian Lance Taylor <iant@google.com>
2180 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2181 --msgid-bugs-address.
2182 (install-pdf): New target.
2183 (install-data_yes): Look up one directory to find mkinstalldirs.
2185 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
2187 * po/Make-in (.po.gmo): Don't generate .gmo files in source
2190 2009-10-30 Doug Kwan <dougkwan@google.com>
2192 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2194 2009-10-30 Doug Kwan <dougkwan@google.com>
2196 * arm.cc (Stub_addend_reader): New struct template definition
2197 and partial specializations.
2198 (Stub_addend_reader::operator()): New method definition for a
2199 partially specialized template.
2201 2009-10-30 Doug Kwan <dougkwan@google.com>
2203 * arm.cc (Arm_relobj::processor_specific_flags): New method
2205 (Arm_relobj::do_read_symbols): New method declaration.
2206 (Arm_relobj::processor_specific_flags_): New data member declaration.
2207 (Arm_dynobj): New class definition.
2208 (Target_arm::do_finalize_sections): Add input_objects parameter.
2209 (Target_arm::do_adjust_elf_header): New method declaration.
2210 (Target_arm::are_eabi_versions_compatible,
2211 (Target_arm::merge_processor_specific_flags): New method declaration.
2212 (Target_arm::do_make_elf_object): New overloaded method definitions
2214 (Arm_relobj::do_read_symbols): New method definition.
2215 (Arm_dynobj::do_read_symbols): Ditto.
2216 (Target_arm::do_finalize_sections): Add input_objects parameters.
2217 Merge processor-specific flags from all input objects.
2218 (Target_arm::are_eabi_versions_compatible,
2219 Target_arm::merge_processor_specific_flags,
2220 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2221 New method definitions.
2222 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2223 Input_objects pointer type parameter.
2224 * layout.cc (Layout::finalize): Pass input objects to target's.
2225 finalize_sections function.
2226 * output.cc (Output_file_header::do_sized_write): Set ELF file
2227 header's processor-specific flags.
2228 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2229 Input_objects pointer type parameter.
2230 * sparc.cc (Target_sparc::do_finalize_sections): Same.
2231 * target.h (Input_objects): New forward class declaration.
2232 (Target::processor_specific_flags,
2233 Target::are_processor_specific_flags_sect): New method definitions.
2234 (Target::finalize_sections): Add input_objects parameter.
2235 (Target::Target): Initialize processor_specific_flags_ and
2236 are_processor_specific_flags_set_.
2237 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2239 (Target::set_processor_specific_flags): New method definition.
2240 (Target::processor_specific_flags_,
2241 Target::are_processor_specific_flags_set_): New data member
2243 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2244 Input_objects pointer type parameter.
2246 2009-10-30 Doug Kwan <dougkwan@google.com>
2248 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2250 2009-10-28 Ian Lance Taylor <iant@google.com>
2252 * object.h (class Relobj): Drop options parameter from
2253 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2254 do_scan_relocs, do_relocate. Change all callers.
2255 (class Sized_relobj): Drop options parameters from
2256 do_gc_process_relocs, do_scan_relocs, do_relocate,
2257 do_relocate_sections, relocate_sections, emit_relocs_scan,
2258 emit_relocs_scan_reltype. Change all callers.
2259 (struct Relocate_info): Remove options field and all references to
2261 * reloc.h (class Read_relocs): Remove options constructor
2262 parameter and options_ field. Change all callers.
2263 (class Gc_process_relocs, class Scan_relocs): Likewise.
2264 (class Relocate_task): Likewise.
2265 * target-reloc.h (scan_relocs): Remove options parameter. Change
2267 (scan_relocatable_relocs): Likewise.
2268 * target.h (class Sized_target): Remove options parameter from
2269 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
2271 * gc.h (gc_process_relocs): Remove options parameter. Change all
2273 * arm.cc: Update functions to remove options parameters.
2274 * i386.cc: Likewise.
2275 * powerpc.cc: Likewise.
2276 * sparc.cc: Likewise.
2277 * x86_64.cc: Likewise.
2278 * testsuite/testfile.cc: Likewise.
2280 2009-10-28 Doug Kwan <dougkwan@google.com>
2282 * arm.cc (Arm_relobj): New class definition.
2283 (Arm_relobj::scan_sections_for_stubs,
2284 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2285 New method definitions.
2287 2009-10-28 Cary Coutant <ccoutant@google.com>
2289 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2290 (Plugin::cleanup_done_): New member.
2291 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2292 (Plugin_manager::cleanup_done_): Remove.
2293 (Plugin_manager::add_input_file): Edit error message.
2294 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2295 (Plugin_manager::cleanup): Remove use of cleanup_done_.
2297 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
2299 * fileread.cc: (File_read::View::~View): Use the new
2300 data_ownership_ filed.
2301 (File_read::~File_read): Dispose the new whole_file_view_.
2302 (File_read::open): Mmap the whole file if needed.
2303 (File_read::open): Use whole_file_view_ instead of contents_.
2304 (File_read::find_view): Use whole_file_view_ if applicable.
2305 (File_read::do_read): Use whole_file_view_ instead of contents_.
2306 (File_read::make_view): Use whole_file_view_ instead of contents_,
2307 update File_read::View::View call.
2308 (File_read::find_or_make_view): Update File_read::View::View
2310 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2312 (File_read::View::Data_ownership): New enum.
2313 (File_read::View::View): Replace bool mapped_ with Data_ownership
2315 (File_read::View::mapped_): Remove (replaced by data_ownership_).
2316 (File_read::View::data_ownership_): New field.
2317 (File_read::contents_): Remove (replaced by whole_file_view_).
2318 (File_read::whole_file_view_): New field.
2319 * options.h (class General_options): Add --keep-files-mapped.
2321 2009-10-27 Cary Coutant <ccoutant@google.com>
2323 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2324 * testsuite/Makefile.am (plugin_test_5): New test case.
2325 * testsuite/Makefile.in: Regenerate.
2327 2009-10-25 Doug Kwan <dougkwan@google.com>
2329 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2330 from private to protected to allow access by child class.
2331 (Sized_relobj::do_relocate_sections): New method declaration.
2332 (Sized_relobj::relocate_sections): Virtualize.
2333 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2334 Sized_relobj::relocate_sections. Instantiate template explicitly
2335 for different target sizes and endianity.
2337 2009-10-24 Doug Kwan <dougkwan@google.com>
2339 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2340 (Arm_input_section::as_arm_input_section): New method.
2341 (Arm_output_section): New class definition.
2342 (Arm_output_section::create_stub_group,
2343 Arm_output_section::group_sections): New method definitions.
2345 2009-10-22 Doug Kwan <dougkwan@google.com>
2347 * arm.cc (Arm_input_section): New class definition.
2348 (Arm_input_section::init, Arm_input_section:do_write,
2349 Arm_input_section::set_final_data_size,
2350 Arm_input_section::do_reset_address_and_file_offset): New method
2353 2009-10-21 Doug Kwan <dougkwan@google.com>
2355 * arm.cc (Stub_table, Arm_input_section): New forward class
2357 (Stub_table): New class defintion.
2358 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2359 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2360 New method definition.
2362 2009-10-21 Doug Kwan <dougkwan@google.com>
2364 * arm.cc: Update copyright comments.
2365 (Target_arm): New forward class template declaration.
2366 (Arm_address): New type.
2367 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2368 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2369 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2371 (Insn_template): Same.
2372 (DEF_STUBS): New macro.
2373 (Stub_type): New enum type.
2374 (Stub_template): New class definition.
2377 (Stub_factory): Same.
2378 (Target_arm::Target_arm): Initialize may_use_blx_ and
2379 should_force_pic_veneer_.
2380 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2381 Target_arm::should_force_pic_veneer,
2382 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2383 Target_arm::using_thumb_only, Target_arm:;default_target): New
2385 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2386 New data member declarations.
2387 (Insn_template::size, Insn_template::alignment): New method defintions.
2388 (Stub_template::Stub_template): New method definition.
2389 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2390 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2391 (Stub_factory::Stub_factory): New method definition.
2392 * gold.h (string_hash): New template.
2393 * output.h (Input_section_specifier::hash_value): Use
2395 (Input_section_specifier::string_hash): Remove.
2396 * stringpool.cc (Stringpool_template::string_hash): Use
2399 2009-10-20 Doug Kwan <dougkwan@google.com>
2401 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2402 symbols of relaxed input sections.
2403 * output.h (Output_section::find_relaxed_input_section): Make
2406 2009-10-16 Doug Kwan <dougkwan@google.com>
2408 * dynobj.cc (Versions::Versions): Initialize version_script_.
2409 Only insert base version symbol definition for a shared object
2410 if version script defines any version versions.
2411 (Versions::define_base_version): New method definition.
2412 (Versions::add_def): Check that base version is not needed.
2413 (Versions::add_need): Define base version lazily.
2414 * dynobj.h (Versions::define_base_version): New method declaration.
2415 (Versions::needs_base_version_): New data member declaration.
2416 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2417 (check_DATA): Add no_version_test.stdout.
2418 (libno_version_test.so, no_version_test.o no_version_test.stdout):
2420 * testsuite/Makefile.in: Regenerate.
2421 * testsuite/no_version_test.c: New file.
2422 * testsuite/no_version_test.sh: Ditto.
2424 2009-10-16 Doug Kwan <dougkwan@google.com>
2426 * expression.cc (class Segment_start_expression): New class definition.
2427 (Segment_start_expression::value): New method definition.
2428 (script_exp_function_segment_start): Return a new
2429 Segment_start_expression.
2430 * gold/script-c.h (script_saw_segment_start_expression): New function
2432 * script-sections.cc (Script_sections::Script_sections): Initialize
2433 SAW_SEGMENT_START_EXPRESSION_ to false.
2434 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2435 and -Tbbs options to specify section addresses if given in
2436 command line and no SEGMENT_START expression is seen in a script.
2437 * script-sections.h (Script_sections::saw_segment_start_expression,
2438 Script_sections::set_saw_segment_start_expression): New method
2440 (Script_sections::saw_segment_start_expression_): New data member
2442 * script.cc (script_saw_segment_start_expression): New function.
2443 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2444 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2445 script_test_7.sh and script_test_8.sh.
2446 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2447 script_test_8.stdout.
2448 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2449 (script_test_6, script_test_6.stdout, script_test_7,
2450 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2451 * Makefile.in: Regenerate.
2452 * testsuite/script_test_6.sh: New file.
2453 * testsuite/script_test_6.t: Same.
2454 * testsuite/script_test_7.sh: Same.
2455 * testsuite/script_test_7.t: Same.
2456 * testsuite/script_test_8.sh: Same.
2458 2009-10-16 Doug Kwan <dougkwan@google.com>
2460 * output.cc (Output_segment::set_section_list_address): Cast
2461 expressions to unsigned long long type to avoid format warnings.
2463 2009-10-15 Ian Lance Taylor <iant@google.com>
2465 * script.cc (Script_options::add_symbol_assignment): Always add a
2466 dot assignment to script_sections_.
2467 * script-sections.cc (Script_sections::add_dot_assignment):
2468 Initialize if necessary.
2470 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2471 program headers with no load segment if there is a linker script.
2473 * layout.cc (Layout::set_segment_offsets): Align the file offset
2474 to the segment aligment for -N or -n with no load segment.
2475 * output.cc (Output_segment::add_output_section): Don't crash if
2476 the first section is a TLS section.
2477 (Output_segment::set_section_list_addresses): Print an error
2478 message if the address moves backward in a linker script.
2479 * script-sections.cc
2480 (Output_section_element_input::set_section_addresses): Don't
2481 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2482 (Orphan_output_section::set_section_addresses): Likewise.
2484 2009-10-15 Doug Kwan <dougkwan@google.com>
2486 * layout.cc (Layout::finish_dynamic_section): Generate tags
2487 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2488 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2489 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2491 2009-10-14 Ian Lance Taylor <iant@google.com>
2493 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2495 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2496 data_shdr fields of relinfo.
2497 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2498 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
2499 R_386_TLS_LDO_32, adjust based on section flags.
2500 (Target_i386::Relocate::fix_up_ldo): Remove.
2502 2009-10-13 Ian Lance Taylor <iant@google.com>
2504 Add support for -pie.
2505 * options.h (class General_options): Add -pie and
2507 (General_options::output_is_position_independent): Test -pie.
2508 (General_options::output_is_executable): Return true if not shared
2509 and not relocatable.
2510 (General_options::output_is_pie): Remove.
2511 * options.cc (General_options::finalize): Reject incompatible uses
2513 * gold.cc (queue_middle_tasks): A -pie link is not static.
2514 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2515 * symtab.cc (Symbol::final_value_is_known): Return false if
2516 output_is_position_independent.
2517 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2518 output_is_position_independent.
2519 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2520 output_is_position_independent.
2521 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2522 output_is_position_independent.
2523 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2525 (basic_pie_test.o, basic_pie_test): New targets.
2526 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2527 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2528 (two_file_pie_test): New target.
2529 * testsuite/Makefile.in: Rebuild.
2530 * README: Remove note saying that -pie is not supported.
2532 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2534 * options.h (class General_options): Add -init and -fini.
2535 * layout.cc (Layout::finish_dynamic_section): Emit
2536 given init and fini functions.
2538 2009-10-13 Sriraman Tallam <tmsriram@google.com>
2540 * gc.h (gc_process_relocs): Check if icf is enabled using new
2542 * gold.cc (queue_initial_tasks): Likewise.
2543 (queue_middle_tasks): Likewise.
2544 * object.cc (do_layout): Likewise.
2545 * symtab.cc (is_section_folded): Likewise.
2546 * main.cc (main): Likewise.
2547 * reloc.cc (Read_relocs::run): Likewise.
2548 (Sized_relobj::do_scan_relocs): Likewise.
2549 * icf.cc (is_function_ctor_or_dtor): New function.
2550 (Icf::find_identical_sections): Check if function is ctor or dtor when
2552 * options.h (General_options::icf): Change option to be an enum.
2553 (Icf_status): New enum.
2554 (icf_enabled): New method.
2555 (icf_safe_folding): New method.
2556 (set_icf_status): New method.
2557 (icf_status_): New variable.
2558 * (options.cc) (General_options::finalize): Set icf_status_.
2559 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2560 icf_test and icf_keep_unique_test to use the --icf enum flag.
2561 * testsuite/icf_safe_test.sh: New file.
2562 * testsuite/icf_safe_test.cc: New file.
2564 2009-10-12 Sriraman Tallam <tmsriram@google.com>
2566 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2567 includes to gc.h and icf.h.
2568 * arm.cc: Include gc.h.
2569 * gold.cc: Likewise.
2570 * i386.cc: Likewise.
2571 * powerpc.cc: Likewise.
2572 * sparc.cc: Likewise.
2573 * x86_64.cc: Likewise.
2574 * gc.h: Include icf.h.
2576 2009-10-11 Ian Lance Taylor <iant@google.com>
2578 * plugin.cc: Include "gold.h" before other header files.
2580 2009-10-10 Chris Demetriou <cgd@google.com>
2582 * options.h (Input_file_argument::Input_file_type): New enum.
2583 (Input_file_argument::is_lib_): Replace with...
2584 (Input_file_argument::type_): New member.
2585 (Input_file_argument::Input_file_argument): Take Input_file_type
2586 'type' rather than boolean 'is_lib' as second argument.
2587 (Input_file_argument::is_lib): Use type_.
2588 (Input_file_argument::is_searched_file): New function.
2589 (Input_file_argument::may_need_search): Handle is_searched_file.
2590 * options.cc (General_options::parse_library): Support -l:filename.
2591 (General_options::parse_just_symbols): Update for Input_file_argument
2593 (Command_line::process): Likewise.
2594 * archive.cc (Archive::get_file_and_offset): Likewise.
2595 * plugin.cc (Plugin_manager::release_input_file): Likewise.
2596 * script.cc (read_script_file, script_add_file): Likewise.
2597 * fileread.cc (Input_file::Input_file): Likewise.
2598 (Input_file::will_search_for): Handle is_searched_file.
2599 (Input_file::open): Likewise.
2600 * readsyms.cc (Read_symbols::get_name): Likewise.
2601 * testsuite/Makefile.am (searched_file_test): New test.
2602 * testsuite/Makefile.in: Regenerate.
2603 * testsuite/searched_file_test.cc: New file.
2604 * testsuite/searched_file_test_lib.cc: New file.
2606 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2607 Ian Lance Taylor <iant@google.com>
2609 * descriptor.cc: Include <cstdio> and "binary-io.h".
2610 (Descriptors::open): Open the files in binary mode always.
2611 * script.cc (Lex::get_token): Treat \r as whitespace.
2613 2009-10-09 Ian Lance Taylor <iant@google.com>
2615 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2617 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2618 Ian Lance Taylor <iant@google.com>
2620 * configure.ac: Check for readv function also.
2621 * fileread.cc (readv): Define if not HAVE_READV.
2622 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2624 * config.in: Regenerate.
2625 * configure: Regenerate.
2627 2009-10-09 Doug Kwan <dougkwan@google.com>
2629 * layout.cc (Layout::make_output_section): Call target hook to make
2630 ordinary output section.
2631 (Layout::finalize): Adjust parameter list of call the
2632 Target::may_relax().
2633 * layout.h (class Layout::section_list): New method.
2634 * merge.h (Output_merge_base::entsize): Change visibility to public.
2635 (Output_merge_base::is_string, Output_merge_base::do_is_string):
2637 (Output_merge_string::do_is_string): New method.
2638 * object.cc (Sized_relobj::do_setup): renamed from
2639 Sized_relobj::set_up.
2640 * object.h (Sized_relobj::adjust_shndx,
2641 Sized_relobj::initializ_input_to_output_maps,
2642 Sized_relobj::free_input_to_output_maps): Change visibilities to
2644 (Sized_relobj::setup): Virtualize.
2645 (Sized_relobj::do_setup): New method declaration.
2646 (Sized_relobj::invalidate_section_offset,
2647 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2648 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2649 * options.cc (parse_int): New function.
2650 * options.h (parse_int): New declaration.
2651 (DEFINE_int): New macro.
2652 (stub_group_size): New option.
2653 * output.cc (Output_section::Output_section): Initialize memebers
2654 merge_section_map_, merge_section_by_properties_map_,
2655 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2656 (Output_section::add_input_section): Handled deferred code-fill
2657 generation and remove an old comment.
2658 (Output_section::add_relaxed_input_section): New method definition.
2659 (Output_section::add_merge_input_section): Use merge section by
2660 properties map to speed to search. Update merge section maps
2662 (Output_section::build_relaxation_map): New method definition.
2663 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2665 (Output_section::relax_input_section): Renamed to
2666 Output_section::convert_input_sections_to_relaxed_sections and change
2667 interface to take a vector of pointers to relaxed sections.
2668 (Output_section::find_merge_section,
2669 Output_section::find_relaxed_input_section): New method definitions.
2670 (Output_section::is_input_address_mapped,
2671 Output_section::output_offset, Output_section::output_address):
2672 Use output section data maps to speed up searching.
2673 (Output_section::find_starting_output_address): Add comments.
2674 (Output_section::do_write,
2675 Output_section::write_to_postprocessing_buffer): Do code-fill
2676 generation as appropriate.
2677 (Output_section::get_input_sections): Invalidate relaxed input section
2679 (Output_section::restore_states): Adjust type of checkpoint .
2680 Invalidate relaxed input section map.
2681 * output.h (Output_merge_base): New class declaration.
2682 (Input_section_specifier): New class defintion.
2683 (class Output_relaxed_input_section) Change base class to
2684 Output_section_data_build.
2685 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2686 base class initializer.
2687 (Output_section::add_relaxed_input_section): New method declaration.
2688 (Output_section::Input_section): Change visibility to protected.
2689 (Output_section::Input_section::relobj,
2690 Output_section::Input_section::shndx): Handle relaxed input sections.
2691 Output_section::input_sections) Change visibility to protected. Also
2692 define overload to return a non-const pointer.
2693 (Output_section::Merge_section_properties): New class defintion.
2694 (Output_section::Merge_section_by_properties_map,
2695 Output_section::Output_section_data_by_input_section_map,
2696 Output_section::Relaxation_map): New types.
2697 (Output_section::relax_input_section): Rename method to
2698 Output_section::convert_input_sections_to_relaxed_sections and change
2699 interface to take a vector of relaxed section pointers.
2700 (Output_section::find_merge_section,
2701 Output_section::find_relaxed_input_section,
2702 Output_section::build_relaxation_map,
2703 Output_section::convert_input_sections_in_list_to_relaxed_sections):
2704 New method declarations.
2705 (Output_section::merge_section_map_
2706 Output_section::merge_section_by_properties_map_,
2707 Output_section::relaxed_input_section_map_,
2708 Output_section::is_relaxed_input_section_map_valid_,
2709 Output_section::generate_code_fills_at_write_): New data members.
2710 * script-sections.cc
2711 (Output_section_element_input::set_section_addresses): Call
2712 current_data_size and addralign methods of relaxed input sections.
2713 (Orphan_output_section::set_section_addresses): Call current_data_size
2714 and addralign methods of relaxed input sections.
2715 * symtab.cc (Symbol_table::compute_final_value): Extract template
2716 from the body of Symbol_table::sized_finalize_symbol.
2717 (Symbol_table::sized_finalized_symbol): Call
2718 Symbol_table::compute_final_value.
2719 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2720 (Symbol_table::compute_final_value): New templated method declaration.
2721 * target.cc (Target::do_make_output_section): New method defintion.
2722 * target.h (Target::make_output_section): New method declaration.
2723 (Target::relax): Add more parameters for input objects, symbol table
2724 and layout. Adjust call to do_relax.
2725 (Target::do_make_output_section): New method declaration.
2726 (Target::do_relax): Add parameters for input objects, symbol table
2729 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2731 * pread.c: Include stdio.h.
2733 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2735 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2738 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2740 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2741 Change read_shndx type to unsigned int.
2742 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2744 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2745 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2746 Change read_shndx type to unsigned int.
2747 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2749 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2750 * layout.cc (Layout::create_symtab_sections): Cast the result of
2751 local_symcount * symsize to off_t in the gold_assert.
2753 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2755 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2756 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2758 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2759 (Arm_relocate_functions::thm_abs5): New function.
2760 (Arm_relocate_functions::abs12): New function.
2761 (Arm_relocate_functions::abs16): New function.
2762 (Arm_relocate_functions::base_abs): New function.
2763 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2764 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
2765 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2767 (Scan::global): Likewise.
2768 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2769 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2770 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2771 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2774 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2776 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2777 (Arm_relocate_functions::movt_prel): New function.
2778 (Arm_relocate_functions::thm_movw_prel_nc): New function.
2779 (Arm_relocate_functions::thm_movt_prel): New function.
2780 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2781 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2782 (Scan::global, Relocate::relocate): Likewise.
2783 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2785 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2787 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2788 Incremental_checker.
2789 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2791 (class Incremental_inputs_header): New class.
2792 (Incremental_inputs_header_writer): Edit comment.
2793 (Incremental_inputs_entry): New class.
2794 (Incremental_inputs_entry_writer): Edit comment.
2795 (Sized_incremental_binary::do_find_incremental_inputs_section):
2796 Add *strtab_shndx parameter, fill it.
2797 (Sized_incremental_binary::do_check_inputs): New method.
2798 (Incremental_checker::can_incrementally_link_output_file): Use
2799 Sized_incremental_binary::check_inputs.
2800 (Incremental_inputs::report_command_line): Save command line in
2803 (Incremental_binary::find_incremental_inputs_section): New
2805 (Incremental_binary::do_find_incremental_inputs_section): Add
2806 strtab_shndx parameter.
2807 (Incremental_binary::do_check_inputs): New pure virtual method.
2808 (Sized_incremental_binary::do_check_inputs): Declare.
2809 (Incremental_checker::Incremental_checker): Add incremental_inputs
2810 parameter, use it to initialize incremental_inputs_.
2811 (Incremental_checker::incremental_inputs_): New field.
2812 (Incremental_checker::command_line): New method.
2813 (Incremental_checker::inputs): New method.
2814 (Incremental_checker::command_line_): New field.
2816 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2818 * incremental.cc: Include <cstdarg> and "target-select.h".
2819 (vexplain_no_incremental): New function.
2820 (explain_no_incremental): New function.
2821 (Incremental_binary::error): New method.
2822 (Sized_incremental_binary::do_find_incremental_inputs_section): New
2824 (make_sized_incremental_binary): New function.
2825 (open_incremental_binary): New function.
2826 (can_incrementally_link_file): Add checks if output is ELF and has
2828 * incremental.h: Include "elfcpp_file.h" and "output.h".
2829 (Incremental_binary): New class.
2830 (Sized_incremental_binary): New class.
2831 (open_incremental_binary): Declare.
2832 * object.cc (is_elf_object): Use
2833 elfcpp::Elf_recognizer::is_elf_file.
2834 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2835 * output.h (Output_file::filesize): New method.
2837 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2839 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2841 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2842 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2844 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2846 (Arm_relocate_functions::movw_abs_nc): New function.
2847 (Arm_relocate_functions::movt_abs): New function.
2848 (Arm_relocate_functions::thm_movw_abs_nc): New function.
2849 (Arm_relocate_functions::thm_movt_abs): New function.
2850 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2851 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2852 (Scan::global): Likewise.
2853 (Relocate::relocate): Likewise.
2854 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2856 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2858 * arm.cc (Arm_relocate_functions::got_prel) New function.
2859 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2860 (Relocate::relocate): Likewise.
2861 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2863 2009-10-06 Ian Lance Taylor <iant@google.com>
2865 * options.h (class General_options): Define
2866 split_stack_adjust_size parameter.
2867 * object.h (class Object): Add uses_split_stack_ and
2868 has_no_split_stack_ fields. Add uses_split_stack and
2869 has_no_split_stack accessor functions. Declare
2870 handle_split_stack_section.
2871 (class Reloc_symbol_changes): Define.
2872 (class Sized_relobj): Define Function_offsets. Declare
2873 split_stack_adjust, split_stack_adjust_reltype, and
2875 * object.cc (Object::handle_split_stack_section): New function.
2876 (Sized_relobj::do_layout): Call handle_split_stack_section.
2877 * dynobj.cc (Sized_dynobj::do_layout): Call
2878 handle_split_stack_section.
2879 * reloc.cc (Sized_relobj::relocate_sections): Call
2880 split_stack_adjust for executable sections in split_stack
2881 objects. Pass reloc_map to relocate_section.
2882 (Sized_relobj::split_stack_adjust): New function.
2883 (Sized_relobj::split_stack_adjust_reltype): New function.
2884 (Sized_relobj::find_functions): New function.
2885 * target-reloc.h: Include "object.h".
2886 (relocate_section): Add reloc_symbol_changes parameter. Change
2888 * target.h (class Target): Add calls_non_split method. Declare
2889 do_calls_non_split virtual method. Declare match_view and
2891 * target.cc: Include "elfcpp.h".
2892 (Target::do_calls_non_split): New function.
2893 (Target::match_view): New function.
2894 (Target::set_view_to_nop): New function.
2895 * gold.cc (queue_middle_tasks): Give an error if mixing
2896 split-stack and non-split-stack objects with -r.
2897 * i386.cc (Target_i386::relocate_section): Add
2898 reloc_symbol_changes parameter.
2899 (Target_i386::do_calls_non_split): New function.
2900 * x86_64.cc (Target_x86_64::relocate_section): Add
2901 reloc_symbol_changes parameter.
2902 (Target_x86_64::do_calls_non_split): New function.
2903 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2905 * powerpc.cc (Target_powerpc::relocate_section): Add
2906 reloc_symbol_changes parameter.
2907 * sparc.cc (Target_sparc::relocate_section): Add
2908 reloc_symbol_changes parameter.
2909 * configure.ac: Call AM_CONDITIONAL for the default target.
2910 * configure: Rebuild.
2911 * testsuite/Makefile.am (TEST_AS): New variable.
2912 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2913 (check_DATA): Add split_i386 and split_x86_64 files.
2914 (SPLIT_DEFSYMS): Define.
2915 (split_i386_[1234n].o): New targets.
2916 (split_i386_[124]): New targets.
2917 (split_i386_[1234r].stdout): New targets.
2918 (split_x86_64_[1234n].o): New targets.
2919 (split_x86_64_[124]): New targets.
2920 (split_x86_64_[1234r].stdout): New targets.
2921 (MOSTLYCLEANFILES): Add new executables.
2922 * testsuite/split_i386.sh: New file.
2923 * testsuite/split_x86_64.sh: New file.
2924 * testsuite/split_i386_1.s: New file.
2925 * testsuite/split_i386_2.s: New file.
2926 * testsuite/split_i386_3.s: New file.
2927 * testsuite/split_i386_4.s: New file.
2928 * testsuite/split_i386_n.s: New file.
2929 * testsuite/split_x86_64_1.s: New file.
2930 * testsuite/split_x86_64_2.s: New file.
2931 * testsuite/split_x86_64_3.s: New file.
2932 * testsuite/split_x86_64_4.s: New file.
2933 * testsuite/split_x86_64_n.s: New file.
2934 * testsuite/testfile.cc (Target_test): Update relocation_section
2936 * testsuite/Makefile.in: Rebuild.
2938 2009-10-06 Ian Lance Taylor <iant@google.com>
2940 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2941 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2942 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
2943 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2944 the address on ldo_addrs_.
2945 (Target_i386::Relocate::fix_up_ldo): New function.
2947 2009-10-06 Rafael Espindola <espindola@google.com>
2949 * plugin.cc (add_input_library): New.
2950 (Plugin::load): Add add_input_library to tv.
2951 (Plugin_manager::add_input_file): Add the is_lib argument.
2952 (add_input_file): Update call to Plugin_manager::add_input_file.
2953 (add_input_library): New.
2954 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2956 2009-09-30 Doug Kwan <dougkwan@google.com>
2958 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2959 symbol and call Symbol::may_need_copy_reloc to determine if
2960 a copy reloc is needed.
2961 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2962 nocopyreloc is given in command line.
2963 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2964 given in command line.
2965 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2966 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2967 of the removed Target_i386::may_need_copy_reloc.
2968 * options.h (copyreloc): New option with default value false.
2969 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2970 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2971 instead of the removed Target_powerpc::may_need_copy_reloc.
2972 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2973 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2974 instead of the removed Target_sparc::may_need_copy_reloc.
2975 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2976 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2977 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2978 instead of the removed Target_x86_64::may_need_copy_reloc.
2980 2009-09-30 Ian Lance Taylor <iant@google.com>
2982 * object.h (class Object): Remove target_ field, and target,
2983 sized_target, and set_target methods.
2984 (Object::sized_target): Remove.
2985 (class Sized_relobj): Update declarations. Remove sized_target.
2986 * object.cc (Sized_relobj::setup): Remove target parameter.
2988 (Input_objects::add_object): Don't do anything with the target.
2989 (make_elf_sized_object): Add punconfigured parameter. Change all
2990 callers. Set or test parameter target.
2991 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2993 * parameters.cc (Parameters::set_target): Change parameter type to
2995 (Parameters::default_target): Remove.
2996 (set_parameters_target): Change parameter type to be non-const.
2997 (parameters_force_valid_target): New function.
2998 (parameters_clear_target): New function.
2999 * parameters.h (class Parameters): Update declarations. Remove
3000 default_target method. Add sized_target and clear_target
3001 methods. Change target_ to be non-const.
3002 (set_parameters_target): Update declaration.
3003 (parameters_force_valid_target): Declare.
3004 (parameters_clear_target): Declare.
3005 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3006 as NULL if we aren't searching.
3007 (Add_symbols::run): Don't check for compatible target.
3008 * fileread.cc (Input_file::open_binary): Call
3009 parameters_force_valid_target.
3010 * gold.cc (queue_middle_tasks): Likewise.
3011 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
3012 set_target on object.
3013 * dynobj.h (class Sized_dynobj): Update declarations.
3014 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3015 make_elf_object returns NULL.
3016 (Archive::include_member): Don't check whether object target is
3018 * output.cc (Output_section::add_input_section): Get target from
3020 (Output_section::relax_input_section): Likewise.
3021 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3023 (Sized_relobj::do_scan_relocs): Likewise.
3024 (Sized_relobj::relocate_sections): Likewise.
3025 * resolve.cc (Symbol_table::resolve): Likewise.
3026 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
3027 parameter. Change all callers.
3028 (Symbol_table::add_from_object): Get target from parameters.
3029 (Symbol_table::add_from_relobj): Don't check object target.
3030 (Symbol_table::add_from_dynobj): Likewise.
3031 (Symbol_table::define_special_symbol): Get target from
3033 * symtab.h (class Symbol_table): Update declaration.
3034 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3035 parameter. Change all callers. Clear parameter target.
3036 (Binary_test): Test target here.
3037 * testsuite/object_unittest.cc (gold_testsuite): Remove
3038 target_test_pointer parameter. Change all callers.
3039 (Object_test): Test target here.
3041 2009-09-26 Ian Lance Taylor <iant@google.com>
3043 * testsuite/initpri1.c: Don't try to use constructor priorities if
3044 compiling with gcc before 4.3.
3046 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
3048 * testsuite/retain_symbols_file_test.sh (check_present): Change
3049 output file name to retain_symbols_file_test.stdout.
3050 (check_absent): Likewise.
3052 2009-09-18 Craig Silverstein <csilvers@google.com>
3054 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3055 * options.cc: Include <cerrno> and <fstream>.
3056 (General_options::finalize): Parse -retain-symbols-file tag.
3057 * options.h: New flag.
3058 (General_options): New method should_retain_symbol, new
3059 variable symbols_to_retain.
3060 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3061 should_retain_symbol map.
3062 * testsuite/Makefile.am (retain_symbols_file_test): New test.
3063 * testsuite/Makefile.in: Regenerate.
3064 * testsuite/retain_symbols_file_test.sh: New file.
3066 2009-09-18 Nick Clifton <nickc@redhat.com>
3068 * po/es.po: Updated Spanish translation.
3070 2009-09-17 Doug Kwan <dougkwan@google.com>
3072 * debug.h (DEBUG_RELAXATION): New constant.
3073 (DEBUG_ALL): Add DEBUG_RELAXATION.
3074 (debug_string_to_enum): Add relaxation debug option.
3076 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3077 Layout::Relaxation_debug_check::read_sections,
3078 Layout::Relaxation_debug_check::read_sections): New method definitions.
3079 (Layout::Layout): Initialize data members
3080 record_output_section_data_from_scrips_,
3081 script_output_section_data_list_ and relaxation_debug_check_.
3082 (Layout::save_segments, Layout::restore_segments,
3083 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3084 Layout::relaxation_loop_body): New method definitions.
3085 (Layout::finalize): Support relaxation. Move section layout code to
3086 Layout::relaxation_loop_body.
3087 (Layout::set_asection_address_from_script): Move code for orphan
3088 section placement out.
3089 (Layout::place_orphan_sections_in_script): New method definition.
3090 * layout.h (Output_segment_headers, Output_file_header):
3091 New forward class declarations.
3092 (Layout::~Layout): Define.
3093 (Layout::new_output_section_data_from_script): New method definition.
3094 (Layout::place_orphan_sections_in_script): New method declaration.
3095 (Layout::Segment_states): New type declaration.
3096 (Layout::save_segments, Layout::restore_segments,
3097 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3098 Layout::relaxation_loop_body): New method declarations.
3099 (Layout::Output_section_data_list): New type declaration.
3100 (Layout::Relaxation_debug_check): New class definition.
3101 (Layout::record_output_section_data_from_script_,
3102 Layout::script_output_section_data_list_, Layout::segment_states_,
3103 Layout::relaxation_debug_check_): New data members.
3104 * output.cc: (Output_section_headers::do_size): New method definition.
3105 (Output_section_headers::Output_section_headers): Move size
3106 computation to Output_section_headers::do_size.
3107 (Output_segment_headers::do_size): New method definition.
3108 (Output_file_header::Output_file_header): Move size computation to
3109 Output_file_header::do_size and call it.
3110 (Output_file_header::do_size): New method definition.
3111 (Output_data_group::Output_data_group): Adjust call to
3112 Output_section_data.
3113 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3114 (Output_symtab_xindex::do_write): Add array bound check.
3115 (Output_section::Input_section::print_to_mapfile): Handle
3116 RELAXED_INPUT_SECTION_CODE.
3117 (Output_section::Output_section): Initialize data member checkpoint_.
3118 (Output_section::~Output_section): Delete checkpoint object pointed
3120 (Output_section::add_input_section): Always add an Input_section if
3122 (Output_section::add_merge_input_section): Add assert.
3123 (Output_section::relax_input_section): New method definition.
3124 (Output_section::set_final_data_size): Set load address to zero for
3125 an unallocated section.
3126 (Output_section::do_address_and_file_offset_have_reset_values):
3127 New method definition.
3128 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3129 Handle relaxed input section.
3130 (Output_section::sort_attached_input_sections): Checkpoint input
3131 section list lazily.
3132 (Output_section::get_input_sections): Change type of input_sections to
3133 list of Simple_input_section pointers. Checkpoint input section list
3134 lazily. Also handle relaxed input sections.
3135 (Output_section::add_input_section_for_script): Take a reference to
3136 a Simple_input_section object instead of Relobj pointer and section
3137 index as parameter. Handle relaxed input sections.
3138 (Output_section::save_states, Output_section::restore_states): New
3140 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3141 (Output_data::is_data_size_fixed): New method definition.
3142 (Output_data::reset_addresss_and_file_offset): Do not reset data size
3144 (Output_data::address_and_file_offset_have_reset_values): New method
3146 (Output_data::do_address_and_file_offset_have_reset_values): New method
3148 (Output_data::set_data_size): Check that data size is not fixed.
3149 (Output_data::fix_data_size): New method definition.
3150 (Output_data::is_data_size_fixed_): New data member.
3151 (Output_section_headers::set_final_data_size): New method definition.
3152 (Output_section_headers::do_size): New method declaration.
3153 (Output_segment_headers::set_final_data_size): New method definition.
3154 (Output_segment_headers::do_size): New method declaration.
3155 (Output_file_header::set_final_data_size)::New method definition.
3156 (Output_file_header::do_size)::New method declaration.
3157 (Output_section_data::Output_section_data): Add new parameter
3158 is_data_size_fixed and use it to fix data size.
3159 (Output_data_const::Output_data_const): Adjust call to base class
3160 constructor and fix data size.
3161 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3162 base class constructor and fix data size.
3163 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3164 base class constructor and fix data size.
3165 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3166 class constructor and fix data size.
3167 (Output_data_group::set_final_data_size): New method definition.
3168 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3169 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3170 class constructor and fix data size.
3171 (Output_relaxed_input_section): New class definition.
3172 (Output_section::Simple_input_section): New class definition.
3173 (Output_section::get_input_sections): Adjust parameter list.
3174 (Output_section::add_input_section_for_script): Same.
3175 (Output_section::save_states, Output_section::restore_states,
3176 Output_section::do_address_and_file_offset_have_reset_values,
3177 (Output_section::Input_section::Input_section): Handle
3178 RELAXED_INPUT_SECTION_CODE. Add new overload for
3179 Output_relaxed_input_section.
3180 (Output_section::Input_section::is_input_section,
3181 Output_section::Input_section::set_output_section): Handle relaxed
3183 (Output_section::Input_section::is_relaxed_input_section,
3184 Output_section::Input_section::output_section_data,
3185 Output_section::Input_section::relaxed_input_section): New method
3187 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3189 (Output_section::Input_section::u1_): Update comments.
3190 (Output_section::Input_section::u2_): Add new union member poris.
3191 (Output_section::Checkpoint_output_section): New classs definition.
3192 (Output_section::relax_input_section): New method declaration.
3193 (Output_section::checkpoint_): New data member.
3194 (Output_segment): Update comments.
3195 (Output_segment::Output_segment): Un-privatize copy constructor.
3196 (Output_segment::operator=): Un-privatize.
3197 * script-sections.cc (Output_section_element::Input_section_list):
3198 Change element type to Output_section::Simple_input_section.
3199 (Output_section_element_dot_assignment::set_section_addresses):
3200 Register output section data for relaxation clean up.
3201 (Output_data_exression::Output_data_expression): Adjust call to base
3202 constructor to fix data size.
3203 (Output_section_element_data::set_section_addresses): Register
3204 Output_data_expression object for relaxation clean up.
3205 (struct Input_section_info): Replace Relobj pointer and section index
3206 pair with Output_section::Simple_input_section and Convert struct to a
3208 (Input_section_sorter::operator()): Adjust access to
3209 Input_section_info data member to use accessors.
3210 (Output_section_element_input::set_section_addresses): Use layout
3211 parameter. Adjust code to use Output_section::Simple_input_section
3212 and Input_secction_info classes. Register filler for relaxation
3214 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3215 and section index pair with Output_section::Simple_input_section
3216 class. Adjust code accordingly.
3217 (Phdrs_element::release_segment): New method definition.
3218 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3220 (Script_sections::release_segments): New method definition.
3221 * gold/script-sections.h (Script_sections::release_segments): New
3223 * gold/target.h (Target::may_relax, Target::relax,
3224 Target::do_may_relax, Target::do_relax): New method definitions.
3226 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3228 * arm.cc (has_signed_unsigned_overflow): New function.
3229 (Arm_relocate_functions::abs8): New function.
3230 (Target_arm::Scan::local): Handle R_ARM_ABS8.
3231 (Target_arm::Scan::global): Likewise.
3232 (Target_arm::relocate::relocate): Likewise.
3233 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3236 2009-09-16 Cary Coutant <ccoutant@google.com>
3238 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3239 * testsuite/Makefile.in: Regenerate.
3241 2009-09-11 Nick Clifton <nickc@redhat.com>
3243 * po/gold.pot: Updated by the Translation project.
3245 2009-09-08 Cary Coutant <ccoutant@google.com>
3247 * output.cc (Output_file::open): Add execute permission to empty file.
3248 * testsuite/Makefile.am (permission_test): New test.
3249 * testsuite/Makefile.in: Regenerate.
3251 2009-09-02 Ian Lance Taylor <iant@google.com>
3253 * output.cc (Output_file::resize): Call map_no_anonymous rather
3256 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
3258 * gold.cc: Include "incremental.h".
3259 (queue_initial_tasks): Call Incremental_checker methods.
3260 * incremental.cc: Include "output.h".
3261 (Incremental_checker::can_incrementally_link_output_file): New
3263 * incremental.h (Incremental_checker): New class.
3265 * output.cc (Output_file::open_for_modification): New method.
3266 (Output_file::map_anonymous): Changed return type to bool. Record
3268 (Output_file::map_no_anonymous): New method, broken out of map.
3269 (Output_file::map): Use map_no_anonymous and map_anonymous.
3270 * output.h (class Output_file): Update declarations.
3272 2009-08-24 Cary Coutant <ccoutant@google.com>
3274 * options.h (Command_line::Pre_options): New class.
3275 (Command_line::pre_options): New member.
3276 * options.cc (gold::options::ready_to_register): New variable.
3277 (One_option::register_option): Do nothing if not registering options.
3278 Assert if same short option registered twice.
3279 (General_options::General_options): Turn off option registration when
3281 (Command_line::Pre_options::Pre_options): New constructor.
3283 2009-08-24 Cary Coutant <ccoutant@google.com>
3285 * options.h (General_options::no_keep_memory): Remove incorrect
3288 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3290 * Makefile.am (am__skiplex, am__skipyacc): New.
3291 * Makefile.in: Regenerate.
3293 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3295 * Makefile.am (AM_CPPFLAGS): Renamed from ...
3296 (INCLUDES): ... this.
3297 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3298 (AM_CPPFLAGS): Renamed from ...
3299 (INCLUDE): ... this.
3300 * Makefile.in, testsuite/Makefile.in: Regenerate.
3302 * Makefile.in: Regenerate.
3303 * aclocal.m4: Likewise.
3304 * config.in: Likewise.
3305 * configure: Likewise.
3306 * testsuite/Makefile.in: Likewise.
3308 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3309 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3310 * Makefile.in: Regenerate.
3311 * testsuite/Makefile.in: Regenerate.
3313 2009-08-19 Cary Coutant <ccoutant@google.com>
3315 * resolve.cc (Symbol_table::resolve): Don't complain about defined
3316 symbols in shared libraries overridden by hidden or internal symbols
3317 in the main program.
3319 2009-08-19 Chris Demetriou <cgd@google.com>
3321 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3322 checking source file names in error messages.
3324 2009-08-18 Doug Kwan <dougkwan@google.com>
3326 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3327 an elcpp::Ehdr as parameter. Adjust call to set_target.
3328 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3329 an elfcpp::Ehdr as parameter.
3330 * object.cc (Object::set_target): Remove the version that looks up
3331 a target and sets it.
3332 (Sized_relobj::setup): Take a Target object instead of
3333 an elfcpp::Ehdr as parameter. Adjust call to set_target.
3334 (make_elf_sized_object): Find target and ask target to
3336 * object.h: (Object::set_target): Remove the version that looks up
3337 a target and sets it.
3338 (Sized_relobj::setup): Take a Target object instead of
3339 an elfcpp:Ehdr as parameter.
3340 * target.cc: Include dynobj.h.
3341 (Target::do_make_elf_object_implementation): New.
3342 (Target::do_make_elf_object): New.
3343 * target.h (Target::make_elf_object): New template declaration.
3344 (Target::do_make_elf_object): New method declarations.
3345 (Target::do_make_elf_object_implementation): New template declaration.
3347 2009-08-14 Ian Lance Taylor <iant@google.com>
3349 * gold.h (FUNCTION_NAME): Define.
3350 (gold_unreachable): Use FUNCTION_NAME.
3352 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3354 * icf.cc (Icf::find_identical_sections): Issue a warning when a
3355 symbol in the --keep-unique list is not found.
3357 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3359 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3360 been maked as --keep-unique.
3361 (Icf::unfold_section): New function.
3362 * icf.h (Icf::unfold_section): New function.
3363 * options.h (General_options::keep_unique): New option.
3364 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3365 * testsuite/Makefile.in: Regenerate.
3366 * testsuite/icf_keep_unique_test.sh: New file.
3367 * testsuite/icf_keep_unique_test.cc: New file.
3369 2009-08-12 Cary Coutant <ccoutant@google.com>
3372 * resolve.cc (Symbol_table::resolve): Check for references from
3373 dynamic objects to hidden and internal symbols.
3374 * testsuite/Makefile.am (hidden_test.sh): New test.
3375 * testsuite/Makefile.in: Regenerate.
3376 * testsuite/hidden_test.sh: New script.
3377 * testsuite/hidden_test_1.c: New test source.
3378 * testsuite/hidden_test_main.c: New test source.
3380 2009-08-11 Doug Kwan <dougkwan@google.com>
3382 * arm.cc: Update comments.
3383 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3384 segment to locate the .ARM.exidx section if present.
3386 2009-08-09 Doug Kwan <dougkwan@google.com>
3388 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3391 2009-08-07 Sriraman Tallam <tmsriram@google.com>
3392 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3395 2009-08-06 Sriraman Tallam <tmsriram@google.com>
3397 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3398 valid tls_segment only for non-debug-section relocations.
3399 * testsuite/Makefile.am: Add gc_tls_test.
3400 * testsuite/Makefile.in: Regenerate.
3401 * testsuite/gc_tls_test.cc: New file.
3402 * testsuite/gc_tls_test.sh: New file.
3404 2009-08-05 Sriraman Tallam <tmsriram@google.com>
3408 * Makefile.am (CCFILES): Add icf.cc.
3410 * Makefile.in: Regenerate.
3411 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3412 * gc.h (gc_process_relocs): Populate lists used by icf to contain
3413 section, symbol and addend information for the relocs.
3414 * gold.cc (queue_middle_tasks): Call identical code folding.
3415 * gold.h: Add defines for multimap.
3416 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3417 to the call of finalize_local_symbols.
3418 * main.cc (main): Create object of class Icf.
3419 * object.cc (Sized_relobj::do_layout): Allow this function to be
3420 called twice during icf.
3421 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3422 to sections marked as identical by icf.
3423 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3425 (Sized_relobj::do_section_entsize): New function.
3426 * object.h (Object::section_entsize): New function.
3427 (Object::do_section_entsize): New pure virtual function.
3428 (Relobj::finalize_local_symbols): Add new parameter.
3429 (Relobj::do_section_entsize): New function.
3430 * options.h (General_options::icf): New option.
3431 (General_options::icf_iterations): New option.
3432 (General_options::print_icf_sections): New option.
3433 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3434 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3435 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3437 * symtab.cc (Symbol_table::is_section_folded): New function.
3438 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
3439 to sections marked as identical by icf.
3440 * symtab.h (Symbol_table::set_icf): New function.
3441 (Symbol_table::icf): New function.
3442 (Symbol_table::is_section_folded): New function.
3443 (Symbol_table::icf_): New data member.
3444 * target-reloc.h (relocate_section): Ignore sections folded by icf.
3445 * testsuite/Makefile.am: Add commands to build icf_test.
3446 * testsuite/Makefile.in: Regenerate.
3447 * testsuite/icf_test.sh: New file.
3448 * testsuite/icf_test.cc: New file.
3450 2009-07-24 Chris Demetriou <cgd@google.com>
3452 * layout.cc (is_compressible_debug_section): Fix incorrect
3453 comment about compressed section names.
3455 2009-07-20 Ian Lance Taylor <ian@airs.com>
3458 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3460 2009-07-16 Ian Lance Taylor <iant@google.com>
3463 * layout.h: #include <map>.
3464 (class Kept_section): Change from struct to class. Add accessors
3465 and setters. Add section size to Comdat_group mapping. Change
3466 Comdat_group to std::map. Add is_comdat_ field. Add
3467 linkonce_size field in union.
3468 (class Layout): Update declaration of find_or_add_kept_section.
3469 Don't declare find_kept_object.
3470 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3471 parameter. Add object, shndx, is_comdat, and is_group_name
3472 parameters. Change all callers. Adjust for new Kept_section.
3473 (Layout::find_kept_object): Remove.
3474 * object.cc (Sized_relobj::include_section_group): Update use of
3475 Kept_section. Rename secnum to shndx. Only record
3476 Kept_comdat_section if sections are the same size.
3477 (Sized_relobj::include_linkonce_section): Update use of
3478 Kept_section. Only record Kept_comdat_section if sections are the
3479 same size. Set size of linkonce section.
3480 (Sized_relobj::map_to_kept_section): Update call to
3481 get_kept_comdat_section.
3482 * object.h (class Sized_relobj): Rename fields in
3483 Kept_comdat_section to drop trailing underscores; change object
3484 field to Relobj*. Change Kept_comdat_section_table to store
3485 struct rather than pointer.
3486 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3487 Add kept_object and kept_shndx parameters. Change all callers.
3488 (Sized_relobj::get_kept_comdat_section): Change return type to
3489 bool. Add kept_object and kept_shndx parameters. Change all
3491 * plugin.cc (Pluginobj::include_comdat_group): Update call to
3492 Layout::find_or_add_kept_section.
3494 2009-07-09 Ian Lance Taylor <iant@google.com>
3496 * merge.cc (Object_merge_map::initialize_input_to_output_map):
3497 Reserve space in the hash table.
3499 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
3501 * fileread.cc (File_read::get_mtime): New method.
3502 * fileread.h (Timespec): New structure.
3503 (File_read::get_mtime): New method.
3504 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3505 Renamed from timestamp_nsec.
3506 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3508 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3510 (Incremental_inputs::report_archive): Save mtime; style fix.
3511 (Incremental_inputs::report_obejct): Save mtime; style fix.
3512 (Incremental_inputs::report_script): Save mtime; style fix.
3513 (Incremental_inputs::finalize_inputs): Style fix.
3514 (Incremental_inputs::finalize): Style fix.
3515 (Incremental_inputs::create_input_section_data): Store inputs
3517 * incremental.h (Incremental_inputs::report_script): Add mtime
3519 (Incremental_inputs::Input_info::Input_info): Intialize only one
3521 (Incremental_inputs::Input_info::archive): Move to nameless
3523 (Incremental_inputs::Input_info::obejct): Move to nameless union.
3524 (Incremental_inputs::Input_info::script): Move to nameless union.
3525 (Incremental_inputs::mtime): New field.
3526 * script.cc (read_input_script): Pass file mtime to
3528 * script.h (Script_info::inputs): Style fix.
3530 2009-07-01 Ian Lance Taylor <ian@airs.com>
3532 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3535 2009-06-24 Ian Lance Taylor <iant@google.com>
3538 * layout.cc (Layout::choose_output_section): If we find an
3539 existing section, update the flags.
3540 (Layout::create_notes): New function, broken out of
3542 (Layout::finalize): Don't create note sections.
3543 (Layout::create_note): Don't crash if linker script discards
3545 (Layout::create_gold_note): Likewise.
3546 (Layout::create_build_id): Likewise. Don't set
3547 after_input_sections on the section.
3548 (Layout::create_executable_stack_info): Remove target parameter.
3550 * layout.h (class Layout): Declare create_notes. Update
3551 declaration of create_executable_stack_info.
3552 * gold.cc (queue_middle_tasks): Call create_notes.
3553 * output.cc (Output_section::update_flags_for_input_section): Move
3554 here from output.h. If SHF_ALLOC flag is newly set, mark address
3556 * output.h (Output_data::mark_address_invalid): New function.
3557 (class Output_section): Only declare, not define,
3558 update_flags_for_input_section. Remove set_flags.
3560 2009-06-24 Ian Lance Taylor <iant@google.com>
3562 * script-sections.cc (Output_section_definition::
3563 set_section_addresses): Rename shadowing local load_address to
3566 2009-06-24 Ian Lance Taylor <iant@google.com>
3569 * reloc.cc (relocate_sections): Skip empty relocation sections.
3571 2009-06-23 Ian Lance Taylor <iant@google.com>
3574 * layout.cc (Layout::create_note): Use choose_output_section
3575 rather than make_output_section.
3577 2009-06-23 Ian Lance Taylor <iant@google.com>
3580 * options.cc (General_options::parse_V): Set printed_version_.
3581 (General_options::General_options): Initialize printed_version_.
3582 * options.h (class General_options): Add printed_version_ field.
3583 * gold.cc (queue_initial_tasks): If there are no input files,
3584 don't give a fatal error if we printed the version information.
3585 (queue_middle_tasks): If using -r with a shared object, give a
3586 fatal error rather than an ordinary error.
3588 2009-06-23 Ian Lance Taylor <iant@google.com>
3591 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3592 (Layout::make_output_section): Set have_stabstr_section_ if we see
3593 a .stab*str section.
3594 (Layout::finalize): Call link_stabs_sections.
3595 (Layout::link_stabs_sections): New file.
3596 * layout.h (class Layout): Add have_stabstr_section_ field.
3597 Declare link_stabs_sections.
3599 2009-06-23 Doug Kwan <dougkwan@google.com>
3601 * Makefile.am (libgold_a_LIBADD): New.
3602 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3603 * Makefile.in: Regenerate.
3604 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3605 * configure: Regenerate.
3606 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3607 * fileread.cc: Include sys/state.h
3608 * gold.h: Declare memmem and strndup if found missing.
3609 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3611 2009-06-23 Ian Lance Taylor <iant@google.com>
3613 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3614 * configure: Rebuild.
3616 2009-06-23 Ian Lance Taylor <iant@google.com>
3619 * object.cc (Object::section_contents): Don't try to get a view if
3620 the section has length zero.
3621 (Object::handle_gnu_warning_section): If the section is empty, use
3622 the name of the section as the warning.
3624 2009-06-23 Ian Lance Taylor <iant@google.com>
3627 * stringpool.h (class Stringpool_template): Add optimize_ field.
3628 (Stringpool_template::set_optimize): New function.
3629 * stringpool.cc (Stringpool_template::Stringpool_template):
3630 Initialize optimize_ field.
3631 (Stringpool_template::set_string_offsets): Test local optimize
3632 fild rather than parameter.
3633 * layout.cc (Layout::Layout): Call set_optimize on the section
3636 2009-06-22 Ian Lance Taylor <iant@google.com>
3639 * yyscript.y: Parse TARGET.
3640 * script.cc (script_set_target): New function.
3641 * script-c.h (script_set_target): Declare.
3642 * options.cc (General_options::string_to_object_format): Rename
3643 from string_to_object_format in anonymous namespace. Change
3645 * options.h (class General_options): Declare
3646 string_to_object_format.
3648 2009-06-22 Ian Lance Taylor <iant@google.com>
3650 * script-sections.cc (Script_sections::create_segments): Don't put
3651 program headers in a PT_LOAD segment if -n or -N.
3653 2009-06-22 Ian Lance Taylor <iant@google.com>
3656 * options.h (class General_options): Add -z lazy and -z now. Sort
3657 -z options into alphabetical order.
3658 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3660 2009-06-21 Ian Lance Taylor <iant@google.com>
3662 * layout.cc (Layout::make_output_section): Call
3663 Target::new_output_section.
3664 (Layout::attach_allocated_section_to_segment): Put large section
3665 sections in a separate load segment with the large segment flag
3667 (Layout::segment_precedes): Sort large data segments after other
3669 (align_file_offset): New static function.
3670 (Layout::set_segment_offsets): Use align_file_offset.
3671 * output.h (class Output_section): Add is_small_section_ and
3672 is_large_section_ fields.
3673 (Output_section::is_small_section): New function.
3674 (Output_section::set_is_small_section): New function.
3675 (Output_section::is_large_section): New function.
3676 (Output_section::set_is_large_section): New function.
3677 (Output_section::is_large_data_section): New function.
3678 (class Output_segment): Add is_large_data_segment_ field.
3679 (Output_segment::is_large_data_segment): New function.
3680 (Output_segment::set_is_large_data_segment): New function.
3681 * output.cc (Output_section::Output_section): Initialize new
3683 (Output_segment::Output_segment): Likewise.
3684 (Output_segment::add_output_section): Add assertion that large
3685 data sections always go in large data segments. Force small data
3686 sections to the end of the list of data sections. Force small BSS
3687 sections to the start of the list of BSS sections. For large BSS
3688 sections to the end of the list of BSS sections.
3689 * symtab.h (class Symbol): Declare is_common_shndx.
3690 (Symbol::is_defined): Check Symbol::is_common_shndx.
3691 (Symbol::is_common): Likewise.
3692 (class Symbol_table): Define enum Commons_section_type. Update
3693 declarations. Add small_commons_ and large_commons_ fields.
3694 * symtab.cc (Symbol::is_common_shndx): New function.
3695 (Symbol_table::Symbol_table): Initialize new fields.
3696 (Symbol_table::add_from_object): Put small and large common
3697 symbols in the right list.
3698 (Symbol_table::sized_finalized_symbol): Check
3699 Symbol::is_common_shndx.
3700 (Symbol_table::sized_write_globals): Likewise.
3701 * common.cc (Symbol_table::do_allocate_commons): Allocate new
3702 common symbol lists. Don't call do_allocate_commons_list if the
3704 (Symbol_table::do_allocate_commons_list): Remove is_tls
3705 parameter. Add comons_section_type parameter. Change all
3706 callers. Handle small and large common symbols.
3707 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3708 Symbol::is_common_shndx.
3709 * resolve.cc (symbol_to_bits): Likewise.
3710 * target.h (Target::small_common_shndx): New function.
3711 (Target::small_common_section_flags): New function.
3712 (Target::large_common_shndx): New function.
3713 (Target::large_common_section_flags): New function.
3714 (Target::new_output_section): New function.
3715 (Target::Target_info): Add small_common_shndx, large_common_shndx,
3716 small_common_section_flags, and large_common_section_flags
3718 (Target::do_new_output_section): New virtual function.
3719 * arm.cc (Target_arm::arm_info): Initialize new fields.
3720 * i386.cc (Target_i386::i386_info): Likewise.
3721 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3723 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3724 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3725 (Target_x86_64::do_new_output_section): New function.
3726 * configure.ac: Define conditional MCMODEL_MEDIUM.
3727 * testsuite/Makefile.am (check_PROGRAMS): Add large.
3728 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3729 (large_LDFLAGS): Define.
3730 * testsuite/large.c: New file.
3731 * testsuite/testfile.cc (Target_test::test_target_info):
3732 Initialize new fields.
3733 * configure, testsuite/Makefile.in: Rebuild.
3735 2009-06-05 Doug Kwan <dougkwan@google.com>
3737 * Makefile.am (CCFILES): Add target.cc.
3738 * Makefile.in: Regenerate.
3739 * i386.cc (class Target_i386): Define new virtual method to
3740 override do_is_local_label_name in parent.
3741 * object.cc (Sized_relobj::do_count_local_symbols): Discard
3742 local symbols if --discard-locals or -X is given.
3743 * options.h (class General_options): Declare new options
3744 '--discard-locals' and '-X' for discarding locals.
3745 * target.h (class Target): Define new methods is_local_label_name.
3746 Declare new virtual method do_is_local_label_name.
3747 * target.cc: New file.
3748 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3749 (check_SCRIPTS): Add discard_locals_test.sh.
3750 (check_DATA): Add discard_local_tests.syms.
3751 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3752 (discard_local_tests.syms, discard_locals_test.o): New make rules.
3753 * testsuite/Makefile.in: Regenerate.
3754 * testsuite/discard_locals_test.c: New file.
3755 * testsuite/discard_locals_test.sh: Same.
3757 2009-06-05 Doug Kwan <dougkwan@google.com>
3759 * object.cc (Sized_relobj::Sized_relobj): Initialize
3760 discarded_eh_frame_shndx_ to -1U.
3761 (Sized_relobj::do_layout): Record index of a discard .eh_frame
3763 (Sized_relobj::do_count_local_symbols): Skip local symbols in
3764 a discarded .eh_frame section.
3765 (Sized_relobj::do_finalize_local_symbols): Ditto.
3766 * object.h (class Sized_relobj): Declare new member
3767 discarded_eh_frame_shndx_.
3768 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3769 (local_labels_test.o, local_labels_test): New rules.
3770 * testsuite/Makefile.in: Regenerate.
3772 2009-06-04 Doug Kwan <dougkwan@google.com>
3774 * layout.cc (Layout::section_name_mapping): Add mapping for
3775 special ARM sections.
3777 2009-06-03 Doug Kwan <dougkwan@google.com>
3779 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3780 (utils::has_overflow): Same.
3782 2009-06-03 Ian Lance Taylor <iant@google.com>
3784 * layout.cc (Layout::section_name_mapping): New array, replacing
3785 Layout::linkonce_mapping.
3786 (Layout::section_name_mapping_count): New variable, replacing
3787 Layout::linkonce_mapping_count.
3788 (Layout::linkonce_output_name): Remove.
3789 (Layout::output_section_name): Rewrite.
3790 * layout.h (class Layout): Rename Linkonce_mapping to
3791 Section_name_mapping, linkonce_mapping to section_name_mapping,
3792 linkonce_mapping_count to section_name_mapping_count. Don't
3793 declare linkonce_output_name.
3795 2009-06-03 Doug Kwan <dougkwan@google.com>
3797 * gold/arm.cc (namespace utils): New.
3798 (Target_arm::reloc_is_non_pic): Define new method.
3799 (class Arm_relocate_functions): New.
3800 (Target_arm::Relocate::relocate): Handle relocation types used by
3803 2009-06-03 Ian Lance Taylor <iant@google.com>
3805 * arm.cc (Target_arm::scan::global): Use || instead of |.
3807 2009-06-02 Doug Kwan <dougkwan@google.com>
3809 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
3810 issued_non_pic_error_.
3811 (class Target_arm::Scan): Declare new method check_non_pic.
3812 Define new method symbol_needs_plt_entry.
3813 Declare new data member issued_non_pic_error_.
3814 (class Target_arm::Relocate): Declare new method
3815 should_apply_static_reloc.
3816 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3817 (Target_arm::Scan::check_non_pic): Define new method.
3818 (Target_arm::Scan::local): Handle a small subset of reloc types used
3820 (Target_arm::Scan::local): Same.
3821 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3823 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
3825 * incremental.cc (Incremental_inputs::report_command_line): Filter
3826 out --incremental-* options.
3828 2009-05-29 Doug Kwan <dougkwan@google.com>
3830 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3832 (class Target_arm): Update comment.
3833 (Target_arm::Target_arm): Initialize new data members GOT_,
3834 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3835 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3836 and Target_arm::rel_dyn_section.
3837 Declare new_enum Target_arm::Got_type.
3838 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3840 Update commments for member do_dynsym_value.
3841 (Target_arm::got_size, Target_arm::plt_section,
3842 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3843 new methods inside class defintion.
3844 (Target_arm::got_section): Define new method.
3845 (Target_arm::rel_dyn_section): Same.
3846 (Output_data_plt_arm): New template class.
3847 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3848 (Output_data_plt_arm:do_adjust_output_section): Define new method.
3849 (Output_data_plt_arm::add_entry): Same.
3850 (Output_data_plt_arm::first_plt_entry): Define new
3851 static data member for PLT instruction template.
3852 (Output_data_plt_arm::plt_entry): Same.
3853 (Output_data_plt_arm::do_write): Define new method.
3854 (Target_arm::make_plt_entry): Same.
3855 (Target_arm::do_finalize_sections): Same.
3856 (Target_arm::do_dynsym_value): Same.
3858 2009-05-28 Doug Kwan <dougkwan@google.com>
3860 * Makefile.am (TARGETSOURCES): Add arm.cc.
3861 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3862 * Makefile.in: Regenerate.
3864 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3866 2009-05-26 Doug Kwan <dougkwan@google.com>
3868 * options.cc (General_options::parse_exclude_libs). Fix a comment.
3869 (General_options::check_excluded_libs): Strip off directories in
3870 archive name before matching like GNU ld does.
3871 * testsuite/Makefile.am (MOSTLYCLEANFILES,
3872 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3873 (exclude_libs_test_LDFLAGS): Add linker option
3874 -Wl,--exclude-libs,libexclude_libs_test_3
3875 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3876 an explicit archive without using -l.
3877 (alt/libexclude_libs_test_3.a): New make rule.
3878 * testsuite/Makefile.in: Regenerate.
3879 * testsuite/exclude_libs_test.c : Declare lib3_default().
3881 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3882 * exclude_libs_test_3.c: New file.
3884 2009-05-26 Nick Clifton <nickc@redhat.com>
3886 * po/id.po: New Indonesian translation.
3887 * po/gold.pot: Updated template file.
3889 2009-05-22 Sriraman Tallam <tmsriram@google.com>
3891 * testsuite/Makefile.am: Add -ffunction-sections to compile
3892 gc_comdat_test files. Add -Wl,--gc-sections to build
3894 * testsuite/Makefile.in: Regenerate.
3895 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3897 2009-05-21 Sriraman Tallam <tmsriram@google.com>
3899 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3900 kept comdat section was garbage collected.
3901 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3902 * testsuite/Makefile.in: Regenerate.
3903 * testsuite/gc_comdat_test.sh: New file.
3904 * testsuite/gc_comdat_test_1.cc: New file.
3905 * testsuite/gc_comdat_test_2.cc: New file.
3907 2009-05-19 Doug Kwan <dougkwan@google.com>
3909 * archive.cc (Archive::Archive): Move constructor from archive.h
3910 to here. Initialize no_export_.
3911 (Archive::get_elf_object_for_member): Set no_export flag of object.
3912 * archive.h (Archive::Archive): Move constructor body to
3914 (Archive::no_export): New method.
3915 (Archive::no_export_): New field.
3916 * object.h (Object::Object): Initialize no_export_ to false.
3917 (Object::no_export, Object::set_no_export): New methods.
3918 (Object::no_export_): New field.
3919 * options.cc (General_options::parse_exclude_libs): New method.
3920 (General_options::check_excluded_libs) Same.
3921 * options.h (exclude_libs): New option.
3922 (General_options::check_excluded_libs): New method declaration.
3923 (General_options::excluded_libs_): New field.
3924 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3925 default or protected visibility if an object has no-export flag set.
3926 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3927 (check_SCRIPTS): Add exclude_libs_test.sh.
3928 (check_DATA): Add exclude_libs_test.syms.
3929 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3930 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3931 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3932 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3933 (exclude_libs_test.syms, libexclude_libs_test_1.a,
3934 libexclude_libs_test_2.a): New rules.
3935 * testsuite/Makefile.in: Regenerate.
3936 * testsuite/exclude_libs_test.c: New file.
3937 * testsuite/exclude_libs_test.sh: Ditto.
3938 * testsuite/exclude_libs_test_1.c: Ditto.
3939 * testsuite/exclude_libs_test_2.c: Ditto.
3941 2009-05-15 Ian Lance Taylor <iant@google.com>
3943 * configure.ac: Check for declarations for cases where libiberty.h
3944 checks HAVE_DECL_xxx.
3945 * configure, config.in: Rebuild.
3947 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
3949 * gold.h (Incremental_argument_list): Remove (invalid) forward
3951 * incremental.cc (Incremental_inputs::report_achive): New method.
3952 (Incremental_inputs::report_object): New method.
3953 (Incremental_inputs::report_script): New method.
3954 (Incremental_inputs::finalize_inputs): New method.
3955 (Incremental_inputs::finalize): Call finalize_inputs().
3956 (Incremental_inputs::sized_create_incremental_inputs_section_data):
3957 Create inputs entries.
3958 * incremental.h (Incremental_input_type): New enum.
3959 (Incremental_inputs::Incremental_input): Initialize new fields.
3960 (Incremental_inputs::report_inputs): New method.
3961 (Incremental_inputs::report_achive): New method.
3962 (Incremental_inputs::report_object): New method.
3963 (Incremental_inputs::report_script): New method.
3964 (Incremental_inputs::finalize_inputs): New method.
3965 (Incremental_inputs::Input_info): New struct.
3966 (Incremental_inputs::Input_info_map): New typedef.
3967 (Incremental_inputs::lock_): New field.
3968 (Incremental_inputs::Inputs_): New field.
3969 (Incremental_inputs::Inputs_map): New field.
3970 * main.cc (main): Call Incremental_input::report_inputs.
3971 * options.h (Input_argument_list): Typedef moved from
3973 (Input_file_group::Files): Remove, use ::Input_argument_list.
3974 (Input_file_group::Input_argument_list): Remove, use
3975 ::Input_argument_list.
3976 * plugin.cc (Plugin_manager::add_input_file): Add error in
3978 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3980 * script.cc (read_input_script): Call
3981 Incremental_input::report_script.
3982 * script.h (Script_info): New class.
3984 2009-04-27 Ian Lance Taylor <iant@google.com>
3986 * x86_64.cc (do_adjust_output_section): Set entsize to
3989 2009-04-23 Elliott Hughes <enh@google.com>
3991 * output.cc (Output_file::close): After short writes, continue
3992 writing from the correct offset in the buffer being written.
3994 2009-04-23 Chris Demetriou <cgd@google.com>
3996 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3997 * configure: Regenerate.
3998 * config.in: Regenerate.
3999 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4000 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4002 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
4004 * incremental.cc (Incremental_inputs_header_data): Renamed from
4005 Incremental_input_header_data.
4006 (Incremental_inputs_header_data::data_size): New field.
4007 (Incremental_inputs_header_data::put_input_file_count): Renamed
4008 from input_file_count.
4009 (Incremental_inputs_header_data::put_command_line_offset): Renamed
4010 from command_line_offset.
4011 (Incremental_inputs_header_data::put_reserved): Renamed from
4013 (Incremental_inputs_entry_data): Renamed from
4014 Incremental_input_entry_data.
4015 (Incremental_inputs_entry_data::data_size): New field.
4016 (Incremental_inputs::report_command_line): New method.
4017 (Incremental_inputs::finalize): New method.
4018 (Incremental_inputs::create_incremental_inputs_data): New method.
4019 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4020 * incremental.h: New file.
4021 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4022 (Layout::finalize): Create incremental inputs section in
4024 (Layout::create_incremental_info_sections): New method.
4025 * layout.h (Layout::incremental_inputs): New method.
4026 (Layout::create_incremental_info_sections): New method.
4027 (Layout::incremental_inputs_): New field.
4028 * main.cc (main): Notify Incremental_input of the command line.
4030 2009-04-01 Ian Lance Taylor <iant@google.com>
4031 Mikolaj Zalewski <mikolajz@google.com>
4033 * gold.h (reserve_unordered_map): Define, three versions, one for
4034 each version of Unordered_map.
4035 * layout.cc (Layout::Layout): Remove options parameter. Add
4036 number_of_input_files parameter. Don't initialize options_.
4037 Initialize number_of_input_files_ and resized_signatures_. Move
4038 sections_are_attached_.
4039 (Layout::layout_group): Reserve space for group_signatures_.
4040 (Layout::find_or_add_kept_section): Change name parameter to be a
4041 reference. Resize signatures_ map when it gets large enough.
4042 (Layout::layout_eh_frame): Use parameters->options() instead of
4044 (Layout::make_output_section): Likewise.
4045 (Layout::attach_allocated_section_to_segment): Likewise.
4046 (Layout::finalize, Layout::create_executable_stack): Likewise.
4047 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4048 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4049 * layout.h (class Layout): Update declarations. Remove options_
4050 field. Add number_of_input_files_ and resized_signatures_
4051 fields. Move sections_are_attached_ field.
4052 * main.cc (main): Pass number of input files to Layout
4053 constructor. Don't pass options.
4055 2009-03-30 Ian Lance Taylor <iant@google.com>
4057 * ffsll.c (ffsll): Correct implementation.
4059 2009-03-27 Ian Lance Taylor <iant@google.com>
4061 * ffsll.c: New file.
4062 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4063 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4064 * ftruncate.c (ftruncate): Declare before definition.
4065 * mremap.c (mremap): Likewise.
4066 * pread.c (pread): Likewise.
4067 * configure, Makefile.in, config.in: Rebuild.
4069 * mremap.c: New file.
4070 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4071 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4072 (mremap): Declare if HAVE_MREMAP is not defined.
4073 * configure, Makefile.in, config.in: Rebuild.
4075 2009-03-27 Cary Coutant <ccoutant@google.com>
4077 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4078 position independent.
4079 * sparc.cc (Target_sparc::check_non_pic): Likewise.
4080 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4082 2009-03-24 Cary Coutant <ccoutant@google.com>
4084 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4086 (needs_dynamic_reloc): Likewise.
4088 2009-03-24 Ian Lance Taylor <iant@google.com>
4090 * yyscript.y (file_cmd): Recognize EXTERN.
4091 (extern_name_list, extern_name_list_body): New nonterminals.
4092 * script.cc (script_add_extern): Define.
4093 * script-c.h (script_add_extern): Declare.
4095 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
4097 * object.cc (is_elf_object): Define.
4098 * object.h (is_elf_object): Declare.
4099 * archive.cc (Archive::get_elf_object_for_member): Call
4101 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4103 2009-03-24 Elliott Hughes <enh@google.com>
4105 * output.cc (Output_file::map_anonymous): Define.
4106 (Output_file::map): Use map_anonymous. If the regular mmap fails,
4107 try an anonymous one. Report the size if the mmap fails.
4108 * output.h (class Output_file): Declare map_anonymous.
4110 2009-03-24 Ian Lance Taylor <iant@google.com>
4112 * target-select.cc (instantiate_target): Don't acquire the lock if
4113 the instantiated_target_ field has already been set.
4115 2009-03-23 Ian Lance Taylor <iant@google.com>
4117 * gold-threads.h (class Initialize_lock): Define.
4118 * gold-threads.cc (class Initialize_lock_once): Define.
4119 (initialize_lock_control): New static variable.
4120 (initialize_lock_pointer): New static variable.
4121 (initialize_lock_once): New static function.
4122 (Initialize_lock::Initialize_lock): Define.
4123 (Initialize_lock::initialize): Define.
4124 * target-select.h: Include "gold-threads.h".
4125 (class Target_selector): Add lock_ and initialize_lock_ fields.
4126 Don't define instantiate_target, just declare it.
4127 * target-select.cc (Target_selector::Target_selector): Initialize
4129 (Target_selector::instantiate_target): Define.
4130 * descriptors.h: Include "gold-threads.h".
4131 (class Descriptors): Add initialize_lock_ field.
4132 * descriptors.cc (Descriptors::Descriptors): Initialize new
4134 (Descriptors::open): Use initialize_lock_ field
4135 * errors.h (class Errors): Add initialize_lock_ field.
4136 * errors.cc (Errors::Errors): Initialize new field.
4137 (Errors::initialize_lock): Use initialize_lock_ field.
4138 * powerpc.cc (class Target_selector_powerpc): Remove
4139 instantiated_target_ field. In do_recognize call
4140 instantiate_target rather than do_instantiate_target. In
4141 do_instantiate_target just allocate a new target.
4142 * sparc.cc (class Target_selector_sparc): Likewise.
4144 * freebsd.h: New file.
4145 * i386.cc: Include "freebsd.h".
4146 (Target_i386): Derive from Target_freebsd rather than
4148 (Target_selector_i386): Derive from Target_selector_freebsd rather
4149 than Target_selector.
4150 * x86_64.cc: Include "freebsd.h".
4151 (Target_x86_64): Derive from Target_freebsd rather than
4153 (Target_selector_x86_64): Derive from Target_selector_freebsd
4154 rather than Target_selector.
4155 * target.h (class Target): Add adjust_elf_header and
4156 do_adjust_elf_header.
4157 * output.cc (Output_file_header:: do_sized_write): Call target
4158 adjust_elf_header routine.
4159 * configure.tgt: Set targ_osabi.
4160 * configure.ac: Define GOLD_DEFAULT_OSABI.
4161 * parameters.cc (Parameters::default_target): Pass
4162 GOLD_DEFAULT_OSABI to select_target.
4163 * target-select.h (class Target_selector): Make instantiate_target
4164 protected rather than private.
4165 * Makefile.am (HFILES): Add freebsd.h.
4166 * configure, Makefile.in, config.in: Rebuild.
4168 * merge.cc (do_add_input_section): Correct pend value. Change
4169 message about last entry not being null terminated from error to
4172 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
4174 * incremental.cc: New file.
4175 * Makefile.am (CCFILES): Add incremental.cc.
4176 * Makefile.in: Rebuild.
4178 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
4180 * layout.cc (Layout::output_section_name): Preserve names
4181 of '.note.' sections.
4183 2009-03-19 Ian Lance Taylor <iant@google.com>
4185 * descriptors.cc (Descriptors::open): Check that the options are
4186 valid before using them.
4188 2009-03-18 Ian Lance Taylor <iant@google.com>
4190 * script-sections.h: Include <list>.
4191 (class Script_sections): Change Sections_elements from std::vector
4192 to std::list. Typedef public Elements_iterator. Add
4193 orphan_section_placement_, data_segment_align_start_, and
4194 saw_data_segment_align_ fields. Remove data_segment_align_index_
4196 * script-sections.cc (class Orphan_section_placement): New class.
4197 (class Sections_element): Add virtual functions is_relro and
4198 orphan_section_init. Remove virtual function place_orphan_here.
4199 (class Output_section_definition): Add is_relro and
4200 orphan_section_init. Remove place_orphan_here.
4201 (class Orphan_output_section): Likewise.
4202 (Script_sections::Script_sections): Update for field changes.
4203 (Script_sections::data_segment_align): Set saw_data_segment_align_
4204 and data_segment_align_start_, not data_segment_align_index.
4205 (Script_sections::data_segment_relro_end): Check
4206 saw_data_segment_align_. Use data_segment_align_start_ rather
4207 than data_segment_align_index_.
4208 (Script_sections::place_orphan): Rewrite to use
4209 Orphan_section_placement.
4211 2009-03-17 Ian Lance Taylor <iant@google.com>
4213 * archive.cc (Archive::add_symbols): Check for a version attached
4214 to the symbol name in the archive map.
4215 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4216 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4217 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4218 (ver_test_11.a): New target.
4219 * testsuite/Makefile.in: Rebuild.
4221 * configure.ac: Check for chsize and posix_fallocate. Replace
4223 * ftruncate.c: New file, from gnulib.
4224 * output.cc (posix_fallocate): Define dummy version if not
4225 HAVE_POSIX_FALLOCATE.
4226 (Output_file::map): Call posix_fallocate rather than lseek and
4228 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4229 * configure, Makefile.in, config.in: Rebuild.
4231 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
4233 * layout.h (Layout::create_note): Add section_name parameter.
4234 * layout.cc (Layout::create_note): Likewise.
4235 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4237 2009-03-17 Ian Lance Taylor <iant@google.com>
4239 * descriptors.cc: Include "options.h".
4240 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4241 (Descriptors::open): Always use O_CLOEXEC when opening a new
4242 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
4243 then set FD_CLOEXEC.
4245 * sparc.cc (class Target_sparc): Add has_got_section.
4246 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4247 make sure we have a GOT section.
4249 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4250 (Target_sparc::Scan::local): Likewise.
4251 (Target_sparc::Scan::global): Likewise.
4252 (Target_sparc::Relocate::relocate): Likewise.
4253 (Target_sparc::Relocate::relocate_tls): Likewise.
4255 * symtab.cc (Symbol_table::define_default_version): New function,
4256 broken out of add_from_object.
4257 (Symbol_table::add_from_object): Call define_default_version.
4258 (Symbol_table::define_special_symbol): Add resolve_oldsym
4259 parameter. Change all callers. If the version for a symbol comes
4260 from a version script, resolve it with the symbol with the same
4261 name with no version. Also add the symbol without a version if
4263 (do_define_in_output_data): If resolving with oldsym, don't delete
4265 (do_define_in_output_segment): Likewise.
4266 (do_define_as_constant): Likewise.
4267 * symtab.h (class Symbol_table): Update declarations.
4269 2009-03-13 Ian Lance Taylor <iant@google.com>
4271 * readsyms.cc (Read_symbols::incompatible_warning): New function.
4272 (Read_symbols::requeue): New function.
4273 (Read_symbols::do_read_symbols): If make_elf_object fails because
4274 the target type is not configured, and the file was searched for,
4275 issue a warning and retry with the next directory.
4276 (Add_symbols::run): If the file has an incompatible format, and
4277 it was searched for, requeue the Read_symbols task. On error,
4279 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
4280 dirindex parameter to constructor. Change all callers. Declare
4281 incompatible_warning and requeue.
4282 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4283 input_argument_ and input_group_ fields. Add them to
4284 constructor. Change all callers.
4285 (class Read_script): Add dirindex_ field. Add it to constructor.
4287 * archive.cc (Archive::setup): Remove input_objects parameter.
4289 (Archive::get_file_and_offset): Likewise.
4290 (Archive::read_all_symbols): Likewise.
4291 (Archive::read_symbols): Likewise.
4292 (Archive::get_elf_object_for_member): Remove input_objects
4293 parameter. Add punconfigured parameter. Change all callers.
4294 (Archive::add_symbols): Change return type to bool. Check return
4295 value of include_member.
4296 (Archive::include_all_members): Likewise.
4297 (Archive::include_member): Change return type to bool. Return
4298 false if first included object has incompatible target. Set
4299 included_member_ field.
4300 (Add_archive_symbols::run): If add_symbols returns false, requeue
4302 * archive.h (class Archive): Add included_member_ field.
4303 Initialize it in constructor. Add input_file and searched_for
4304 methods. Update declarations.
4305 (class Add_archive_symbols): Add dirpath_, dirindex_, and
4306 input_argument_ fields. Add them to constructor. Change all
4308 * script.cc: Include "target-select.h".
4309 (class Parser_closure): Add skip_on_incompatible_target_ and
4310 found_incompatible_target_ fields. Add
4311 skip_on_incompatible_target parameter to constructor. Change all
4312 callers. Add methods skip_on_incompatible_target,
4313 clear_skip_on_incompatible_target, found_incompatible_target, and
4314 set_found_incompatible_target.
4315 (read_input_script): Add dirindex parameter. Change all callers.
4316 If parser finds an incompatible target, requeue Read_symbols
4318 (script_set_symbol): Clear skip_on_incompatible_target in
4320 (script_add_assertion, script_parse_option): Likewise.
4321 (script_start_sections, script_add_phdr): Likewise.
4322 (script_check_output_format): New function.
4323 * script.h (read_input_script): Update declaration.
4324 * script-c.h (script_check_output_format): Declare.
4325 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4326 (ignore_cmd): Remove OUTPUT_FORMAT.
4327 * fileread.cc (Input_file::Input_file): Add explicit this.
4328 (Input_file::will_search_for): New function.
4329 (Input_file::open): Add pindex parameter. Change all callers.
4330 * fileread.h (class Input_file): Add input_file_argument method.
4331 Declare will_search_for. Update declarations.
4332 * object.cc (make_elf_object): Add punconfigured parameter.
4334 * object.h (class Object): Make input_file public. Add
4335 searched_for method.
4336 (make_elf_object): Update declaration.
4337 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
4339 * dirsearch.h (class Dirsearch): Update declaration.
4340 * options.h (class General_options): Add --warn-search-mismatch.
4341 * parameters.cc (Parameters::is_compatible_target): New function.
4342 * parameters.h (class Parameters): Declare is_compatible_target.
4343 * workqueue.cc (Workqueue::add_blocker): New function.
4344 * workqueue.h (class Workqueue): Declare add_blocker.
4346 * fileread.cc (Input_file::open): Remove options parameter.
4348 (Input_file::open_binary): Likewise.
4349 * script.cc (read_input_script): Likewise.
4350 * readsyms.h (class Read_symbols): Remove options_ field. Remove
4351 options parameter from constructor. Change all callers.
4352 (class Read_script): Likewise.
4353 * fileread.h (class Input_file): Update declarations.
4354 * script.h (read_input_script): Update declaration.
4356 2009-03-10 Nick Clifton <nickc@redhat.com>
4358 * po/es.po: New Spanish translation.
4360 2009-03-06 Cary Coutant <ccoutant@google.com>
4362 * options.cc (parse_short_option): Keep dash_z from registering itself.
4364 2009-03-03 Ian Lance Taylor <iant@google.com>
4367 * target-reloc.h (relocate_section): Pass output_section to
4369 * i386.cc (Target_i386::should_apply_static_reloc): Add
4370 output_section parameter. Change all callers.
4371 (Target_i386::Relocate::relocate): Add output_section parameter.
4372 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4373 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4374 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4375 * testsuite/two_file_shared.sh: New script.
4376 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4377 (check_DATA): Add two_file_shared.dbg.
4378 (two_file_shared.dbg): New target.
4379 * testsuite/Makefile.in: Rebuild.
4381 2009-03-01 Ian Lance Taylor <iant@google.com>
4383 * configure.ac: Check for byteswap.h.
4384 * configure: Rebuild.
4385 * config.in: Rebuild.
4387 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
4389 * layout.cc (Layout::find_or_add_kept_section): New function.
4390 (Layout::add_comdat): Removed.
4391 * layout.h (struct Kept_section): Move out of class Layout.
4392 Remove trailing underscores from field names. Add group_sections
4393 field. Rename group_ field to is_group. Change all uses.
4394 (class Layout): Declare find_or_add_kept_section, not add_comdat.
4395 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4396 comdat_groups_ field.
4397 (Sized_relobj::include_section_group): Use
4398 find_or_add_kept_section and Kept_section::group_sections.
4399 (Sized_relobj::include_linkonce_section): Likewise.
4400 * object.cc (class Sized_relobj): Don't define Comdat_group or
4401 Comdat_group_table. Remove find_comdat_group and
4402 add_comdat_group. Remove comdat_groups_ field.
4403 * plugin.cc (include_comdat_group): Use
4404 Layout::find_or_add_kept_section.
4406 2009-02-28 Ian Lance Taylor <iant@google.com>
4408 * README: --gc-sections and map files are now supported. Document
4409 some build requirements.
4412 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4413 relocatable link set the value of the section symbol to zero.
4414 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4415 relocatable link don't include the section address in the local
4418 2009-02-27 Ian Lance Taylor <iant@google.com>
4421 * options.h (class Search_directory): Add is_system_directory.
4422 (class General_options): Declare is_in_system_directory.
4423 * options.cc (get_relative_sysroot): Make static.
4424 (get_default_sysroot): Make static.
4425 (General_optoins::is_in_system_directory): New function.
4426 * fileread.cc (Input_file::is_in_system_directory): New function.
4427 * fileread.h (class Input_file): Declare is_in_system_directory.
4428 * object.h (class Object): Add is_in_system_directory.
4429 (class Input_objects): Remove system_library_directory_ field.
4430 * object.cc (Input_objects::add_object): Don't set
4431 system_library_directory_.
4432 (input_objects::found_in_system_library_directory): Remove.
4433 * symtab.cc (Symbol_table::write_globals): Remove input_objects
4434 parameter. Change all callers.
4435 (Symbol_table::sized_write_globals): Likewise.
4436 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4437 Call Object::is_in_system_directory.
4438 * symtab.h (class Symbol_table): Update declarations.
4441 * descriptors.h (Open_descriptor): Add is_on_stack field.
4442 * descriptors.cc (Descriptors::open): If the descriptor is on the
4443 top of the stack, remove it. Initialize is_on_stack field.
4444 (Descriptors::release): Only add pod to stack if it is not on the
4446 (Descriptors::close_some_descriptor): Clear stack_next and
4450 * output.cc (Output_section::find_starting_output_address): Rename
4451 from starting_output_address; add PADDR parameter; change return
4453 * output.h (class Output_section): Declare
4454 find_starting_output_address instead of starting_output_address.
4455 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4456 section symbol for which we can't find a merge section.
4459 * symtab.cc (Symbol_table::add_from_object): If the visibility is
4460 hidden or internal, force the symbol to be local.
4461 * resolve.cc (Symbol::override_visibility): Define.
4462 (Symbol::override_base): Use override_visibility.
4463 (Symbol_table::resolve): Likewise.
4464 (Symbol::override_base_with_special): Likewise.
4465 (Symbol_table::override_with_special): If the visibility is hidden
4466 or internal, force the symbol to be local.
4467 * symtab.h (class Symbol): Add set_visibility and
4468 override_visibility.
4469 * testsuite/ver_test_1.sh: New file.
4470 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4471 (check_DATA): Add ver_test_1.syms.
4472 (ver_test_1.syms): New target.
4473 * testsuite/Makefile.in: Rebuild.
4475 2009-02-25 Cary Coutant <ccoutant@google.com>
4477 * layout.cc (Layout::choose_output_section): Don't rename sections
4478 when using a linker script that has a SECTIONS clause.
4479 * Makefile.in: Regenerate.
4481 * testsuite/Makefile.am (script_test_5.sh): New test case.
4482 * testsuite/Makefile.in: Regenerate.
4483 * testsuite/script_test_5.cc: New file.
4484 * testsuite/script_test_5.sh: New file.
4485 * testsuite/script_test_5.t: New file.
4487 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
4489 * archive.cc (Archive::include_member): Update calls to add_symbols.
4490 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4491 the Layout argument.
4492 * dynobj.h (do_add_symbols): Add the Layout argument.
4493 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4495 * object.h (Object::add_symbols): Add the Layout argument.
4496 (Object::do_add_symbols): Add the Layout argument.
4497 (Sized_relobj::do_add_symbols): Add the Layout argument.
4498 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4499 Unify the two versions.
4500 (Add_plugin_symbols): Remove.
4501 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4502 (Sized_pluginobj::do_add_symbols): Unify the two versions.
4503 (Add_plugin_symbols): Remove.
4504 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4505 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4506 (Add_symbols::run): Make it work with Pulginobj.
4508 2009-02-06 Ian Lance Taylor <iant@google.com>
4510 * object.cc (Sized_relobj::do_layout): Make info message start
4511 with lower case letter.
4513 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
4515 * binary.cc: Fix file comment.
4517 * options.h (enum Incremental_disposition): Define.
4518 (class General_options): Add new options: --incremental,
4519 --incremental_changed, --incremental_unchanged,
4520 --incremental_unknown. Add incremental_disposition_ and
4521 implicit_incremental_ fields.
4522 (General_options::incremental_disposition): New function.
4523 (class Position_dependent_options): Add incremental_disposition
4525 (Position_dependent_options::copy_from_options): Set incremental
4527 * options.cc (General_options::parse_incremental_changed): New
4529 (General_options::parse_incremental_unchanged): New function.
4530 (General_options::parse_incremental_unknown): New function.
4531 (General_options::General_options): Initialize new fields
4532 incremental_disposition_ and implicit_incremental_.
4533 (General_options::finalize): Check for uasge of --incremental-*
4534 without --incremental.
4536 2009-02-06 Chris Demetriou <cgd@google.com>
4538 * gold.h (gold_undefined_symbol): Change to take only a Symbol
4539 pointer and to report location as the file name associated with
4541 (gold_undefined_symbol_at_location): New function to replace the
4542 old gold_undefined_symbol functionality.
4543 * target-reloc.h (relocate_section): Update to use
4544 gold_undefined_symbol_at_location.
4545 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4546 Call gold_undefined_symbol function rather than gold_error.
4547 * errors.h (Errors::undefined_symbol): Take location as a
4548 string, rather than calculating it from a relocation.
4549 * errors.cc (Errors::fatal): Print "fatal error:" before the
4551 (Errors::error, Errors::error_at_location): Print "error: "
4552 before the formatted message.
4553 (Errors::undefined_symbol): Take location as a string, rather
4554 than calculating it from a relocation.
4555 (gold_undefined_symbol_at_location): New function akin to
4556 old gold_undefined_symbol, calculates location from relocation.
4557 (gold_undefined_symbol): Change to take only a Symbol pointer
4558 and to report location as the file name associated with the symbol.
4559 * testsuite/debug_msg.sh: Update for changed error messages.
4560 * testsuite/undef_symbol.sh: Likewise.
4562 2009-02-04 Duncan Sands <baldrick@free.fr>
4565 * reduced_debug_output.h
4566 (Output_reduced_debug_abbrev_section::failed): Use format for
4568 (Output_reduced_debug_info_section::faild): Likewise.
4570 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
4572 * script.cc (Lazy_demangler): New class.
4573 (Version_script_info::get_symbol_version_helper): Demangle a
4576 2009-01-29 Cary Coutant <ccoutant@google.com>
4578 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4580 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4582 2009-01-28 Ian Lance Taylor <iant@google.com>
4584 * version.cc (version_string): Bump to 1.9.
4586 * gold.h: Include <cstring> and <stdint.h>.
4587 * version.cc: Include <cstdio>.
4588 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4590 * reduced_debug_output.cc (insert_into_vector): Rename from
4591 Insert_into_vector; change all callers. Use Swap_unaligned to
4592 avoid aliasing issue; remove union since it is unnecessary.
4594 2009-01-27 Sriraman Tallam <tmsriram@google.com>
4596 * Makefile.am (CCFILES): Add gc.cc.
4598 * Makefile.in: Regenerate.
4599 * gold.cc (Gc_runner): New class.
4600 (queue_initial_tasks): Call garbage collection related tasks
4601 when corresponding options are invoked.
4602 (queue_middle_gc_tasks): New function.
4603 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4604 processed early before laying out sections during garbage collection.
4605 * gold.h (queue_middle_gc_tasks): New function.
4606 (is_prefix_of): Move from "layout.cc".
4607 * i386.cc (Target_i386::gc_process_relocs): New function.
4608 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4609 * main.cc (main): Create object of class "Garbage_collection".
4610 * object.cc (Relobj::copy_symbols_data): New function.
4611 (Relobj::is_section_name_included): New function.
4612 (Sized_relobj::do_layout): Allow this function to be called twice
4613 during garbage collection and defer layout of section during the
4615 * object.h (Relobj::get_symbols_data): New function.
4616 (Relobj::is_section_name_included): New function.
4617 (Relobj::copy_symbols_data): New function.
4618 (Relobj::set_symbols_data): New function.
4619 (Relobj::get_relocs_data): New function.
4620 (Relobj::set_relocs_data): New function.
4621 (Relobj::is_output_section_offset_invalid): New pure virtual function.
4622 (Relobj::gc_process_relocs): New function.
4623 (Relobj::do_gc_process_relocs): New pure virtual function.
4624 (Relobj::sd_): New data member.
4625 (Sized_relobj::is_output_section_offset_invalid): New function.
4626 (Sized_relobj::do_gc_process_relocs): New function.
4627 * options.h (General_options::gc_sections): Modify to not be a no-op.
4628 (General_options::print_gc_sections): New option.
4629 * plugin.cc (Plugin_finish::run): Remove function call to
4630 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
4631 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4632 * reloc.cc (Read_relocs::run): Add task to process relocs and
4633 determine unreferenced sections when doing garbage collection.
4634 (Gc_process_relocs): New class.
4635 (Sized_relobj::do_gc_process_relocs): New function.
4636 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4637 sections that are garbage collected.
4638 * reloc.h (Gc_process_relocs): New class.
4639 * sparc.cc (Target_sparc::gc_process_relocs): New function.
4640 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4641 symbols whose corresponding sections are garbage collected.
4642 (Symbol_table::Symbol_table): Add new parameter for the garbage
4644 (Symbol_table::gc_mark_undef_symbols): New function.
4645 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4646 (Symbol_table::gc_mark_dyn_syms): New function.
4647 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4649 (Symbol_table::add_from_object): Likewise.
4650 (Symbol_table::add_from_relobj): When building shared objects, do not
4651 treat externally visible symbols as garbage.
4652 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4653 table information for static and relocatable links.
4654 * symtab.h (Symbol_table::set_gc): New function.
4655 (Symbol_table::gc): New function.
4656 (Symbol_table::gc_mark_undef_symbols): New function.
4657 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4658 (Symbol_table::gc_mark_dyn_syms): New function.
4659 (Symbol_table::gc_): New data member.
4660 * target.h (Sized_target::gc_process_relocs): New pure virtual
4662 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4663 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4665 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
4667 * options.h (General_options::gc_sections): Define as a no-op for now.
4668 (General_options::no_keep_memory): Ditto.
4669 (General_options::Bshareable): Define.
4670 * options.cc (General_options::finalize): Honor -Bshareable.
4672 2009-01-20 Andreas Schwab <schwab@suse.de>
4674 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4675 read the value in the contents, since we don't use it. Use the
4676 template endianness when writing.
4677 (Relocate::relocate): Use it for R_PPC_REL16_HA.
4679 2009-01-19 Andreas Schwab <schwab@suse.de>
4681 * configure.tgt (powerpc64-*): Fix targ_obj.
4683 2009-01-15 Ian Lance Taylor <iant@google.com>
4685 * object.cc (Sized_relobj::write_local_symbols): Don't write out
4686 local symbols when stripping all symbols.
4688 2009-01-14 Cary Coutant <ccoutant@google.com>
4690 * output.cc (Output_reloc): Add explicit instantiations.
4692 2009-01-14 Cary Coutant <ccoutant@google.com>
4694 * archive.cc (Archive::get_elf_object_for_member): Remove call
4695 to File_read::claim_for_plugin.
4696 * descriptors.cc (Descriptors::open): Remove reference to
4698 (Descriptors::claim_for_plugin): Remove.
4699 * descriptors.h (Descriptors::claim_for_plugin): Remove.
4700 (Descriptors::is_claimed): Remove.
4701 (claim_descriptor_for_plugin): Remove.
4702 * fileread.cc (File_read::claim_for_plugin): Remove.
4703 * fileread.h (File_read::claim_for_plugin): Remove.
4704 (File_read::descriptor): Reopen descriptor if necessary.
4705 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
4706 (Plugin_manager::all_symbols_read): Add task parameter. Change
4708 (Plugin_manager::get_input_file): New function.
4709 (Plugin_manager::release_input_file): New function.
4710 (Pluginobj::Pluginobj): Add filesize parameter and initialize
4711 corresponding data member.
4712 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4713 and pass to base constructor. Change all callers.
4714 (get_input_file, release_input_file): New functions.
4715 (make_sized_plugin_object): Add filesize parameter. Change all callers.
4716 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4717 (Plugin_manager::all_symbols_read): Add task parameter.
4718 (Plugin_manager::get_input_file): New function.
4719 (Plugin_manager::release_input_file): New function.
4720 (Plugin_manager::task_): New data member.
4721 (Pluginobj::Pluginobj): Add filesize parameter.
4722 (Pluginobj::filename): New function.
4723 (Pluginobj::descriptor): New function.
4724 (Pluginobj::filesize): New function.
4725 (Pluginobj::filesize_): New data member.
4726 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4727 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4728 File_read::claim_for_plugin; use Object::unlock to unlock the file.
4730 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4731 with archive libraries.
4732 * testsuite/Makefile.in: Regenerate.
4733 * testsuite/plugin_test.c (struct sym_info): New type.
4734 (get_input_file, release_input_file): New static variables.
4735 (onload): Capture new transfer vector entries.
4736 (claim_file_hook): Stop reading at end of file according to filesize.
4737 Factor out parsing of readelf output into separate function.
4738 (all_symbols_read_hook): Exercise get_input_file and release_input_file
4739 APIs and get the source file name from the symbol table. Convert
4740 source file name to corresponding object file name. Print info
4741 message when adding new input files.
4742 (parse_readelf_line): New function.
4743 * testsuite/plugin_test_1.sh: Add checks for new info messages.
4744 * testsuite/plugin_test_2.sh: Likewise.
4745 * testsuite/plugin_test_3.sh: Likewise.
4746 * testsuite/plugin_test_4.sh: New test case.
4748 2009-01-07 Ian Lance Taylor <iant@google.com>
4750 * version.cc (version_string): Bump to 1.8.
4752 2008-12-23 Cary Coutant <ccoutant@google.com>
4754 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4755 * plugin.cc (Plugin_manager::finish): Rename as
4756 layout_deferred_objects. Move cleanup to separate function.
4757 (Plugin_manager::cleanup): New function.
4758 (Plugin_finish::run): Call layout_deferred_objects and cleanup
4760 * plugin.h (Plugin_manager::finish): Rename as
4761 layout_deferred_objects.
4762 (Plugin_manager::cleanup): New function.
4763 (Plugin_manager::cleanup_done): New field.
4765 2008-12-23 Cary Coutant <ccoutant@google.com>
4767 * plugin.cc (is_visible_from_outside): New function.
4768 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4769 so we don't return "IR only" status for exported symbols or -r links.
4771 * testsuite/Makefile.am (plugin_test_3): New test case.
4772 * testsuite/Makefile.in: Regenerate.
4773 * testsuite/plugin_test_3.sh: New file.
4775 2008-12-22 Cary Coutant <ccoutant@google.com>
4777 * object.cc (Sized_relobj::layout_section): New function.
4778 (Sized_relobj::do_layout): Defer layout of input sections until after
4779 plugin has provided replacement files.
4780 (Sized_relobj::do_layout_deferred_sections): New function.
4781 * object.h (Relobj::set_section_offset): Remove virtual keyword.
4782 (Relobj::layout_deferred_sections): New function.
4783 (Relobj::do_layout_deferred_sections): New function.
4784 (Sized_relobj::do_layout_deferred_sections): New function.
4785 (Sized_relobj::layout_section): New function.
4786 (Sized_relobj::Deferred_layout): New structure.
4787 (Sized_relobj::deferred_layout_): New field.
4788 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4789 Change all callers. Layout deferred sections.
4790 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
4792 (Plugin_hook::run): Move code from do_plugin_hook inline.
4793 (Plugin_hook::do_plugin_hook): Remove.
4794 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4795 (Plugin_manager::finish): Renamed, was cleanup.
4796 (Plugin_manager::should_defer_layout): New function.
4797 (Plugin_manager::add_deferred_layout_object): New function.
4798 (Plugin_manager::Deferred_layout_list): New type.
4799 (Plugin_manager::deferred_layout_objects_): New field.
4800 (Plugin_hook::do_plugin_hook): Remove.
4802 2008-12-17 Ian Lance Taylor <iant@google.com>
4804 * options.h (class General_options): Add --no case for
4807 2008-12-16 Cary Coutant <ccoutant@google.com>
4809 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4811 (Plugin_manager::claim_file): Create plugin object even if
4812 plugin did not call the add_symbols callback.
4813 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4814 asking for more symbols than were added.
4815 * testsuite/Makefile.am (plugin_test_1): Add test case with
4817 (empty.syms): New target.
4818 * testsuite/Makefile.in: Regenerate.
4819 * testsuite/plugin_test.c (claim_file_hook): Add new debug
4820 message. Don't call add_symbols if no globals.
4821 (all_symbols_read_hook): Don't provide replacement for empty
4824 2008-12-12 Ian Lance Taylor <iant@google.com>
4826 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4827 r_type == 0 for a local symbol with r_sym == 0.
4828 (scan_relocatable_relocs): Pass r_sym to
4829 local_non_section_strategy.
4830 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4833 * configure.ac: Update test for TLS descriptors: they are
4834 supported as of glibc 2.9.
4835 * configure: Rebuild.
4837 2008-12-11 Ian Lance Taylor <iant@google.com>
4840 * target-reloc.h (Default_scan_relocatable_relocs): For each
4841 function, map r_type == 0 to RELOC_DISCARD.
4843 2008-12-10 Cary Coutant <ccoutant@google.com>
4845 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4846 object to override a kept COMDAT group from a plugin object.
4848 2008-12-09 Ian Lance Taylor <iant@google.com>
4851 * yyscript.y (file_cmd): Handle INPUT.
4853 * testsuite/initpri1.c: Change all declarations to be full
4854 prototypes by adding void, to avoid compiler warnings.
4856 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
4858 * options.cc (General_options::parse_plugin_opt): New.
4859 (General_options::add_plugin): The argument now is just the filename.
4860 (General_options::add_plugin_option): New.
4861 * options.h (plugin_opt): New.
4862 (add_plugin): Change argument name.
4863 (add_plugin_option): New.
4864 * plugin.cc (Plugin::load): Don't parse the plugin option.
4865 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4866 (Plugin::add_option): New.
4867 (Plugin::args_): Change type.
4868 (Plugin::filename_): New.
4869 (Plugin_manager::add_plugin_option): New.
4870 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4871 * testsuite/Makefile.in: Regenerate.
4873 2008-12-05 Cary Coutant <ccoutant@google.com>
4875 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4876 Handle --strip-lto-sections option.
4877 * options.h (strip_lto_sections): New option.
4879 2008-12-01 Cary Coutant <ccoutant@google.com>
4881 * plugin.cc (ld_plugin_message): Change format parameter to const.
4882 Fix mismatch between new[] and delete.
4884 2008-11-14 Cary Coutant <ccoutant@google.com>
4886 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4889 2008-11-05 Craig Silverstein <csilvers@google.com>
4891 * options.cc (General_options::parse_dynamic_list): New function.
4892 * options.h (General_options): New flags dynamic_list,
4893 dynamic_list_data, dynamic_list_cpp_new, and
4894 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
4895 (General_options::in_dynamic_list): New function.
4896 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4897 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4898 (Lex::can_continue_name): Likewise.
4900 (read_script_file): New parameter script_options.
4901 (read_dynamic_list): New function.
4902 (Script_options::define_dynamic_list): New function.
4903 (dynamic_list_keyword_parsecodes): New variable.
4904 (dynamic_list_keywords): New variable.
4905 * script.h (Script_options::define_dynamic_list): New function
4907 (read_dynamic_list): New function prototype.
4908 * symtab.cc (strprefix): New macro.
4909 (Symbol::should_add_dynsym_entry): Support dynamic_list,
4910 dynamic_list_data, dynamic_list_cpp_new, and
4911 dynamic_list_cpp_typeinfo.
4912 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4913 (dynamic_list_expr): New rule.
4914 (dynamic_list_nodes): Likewise.
4915 (dynamic_list_node): Likewise.
4916 * testsuite/Makefile.am (dynamic_list): New test.
4917 * testsuite/Makefile.in: Regenerated.
4918 * testsuite/dynamic_list.t: New file.
4919 * testsuite/dynamic_list.sh: New file.
4921 2008-11-05 Craig Silverstein <csilvers@google.com>
4923 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4924 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4925 (t11_last): Likewise.
4926 * testsuite/ver_test_6.c (main): Likewise.
4928 2008-10-07 Cary Coutant <ccoutant@google.com>
4930 * options.c (General_options::finalize): Add check for -static and
4932 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4935 2008-10-02 Cary Coutant <ccoutant@google.com>
4937 * plugin.cc (make_sized_plugin_object): Fix conditional
4938 compilation to work when not all targets are enabled.
4940 2008-09-29 Cary Coutant <ccoutant@google.com>
4942 * archive.cc (Archive::get_file_and_offset): Use filename instead
4943 of name to get library path.
4944 (Archive::include_member): Unlock external member of a thin archive.
4946 * testsuite/Makefile.am (TEST_AR): New variable.
4947 (thin_archive_test_1): New test.
4948 (thin_archive_test_2): New test.
4949 * testsuite/Makefile.in: Regenerate.
4950 * testsuite/thin_archive_main.cc: New file.
4951 * testsuite/thin_archive_test_1.cc: New file.
4952 * testsuite/thin_archive_test_2.cc: New file.
4953 * testsuite/thin_archive_test_3.cc: New file.
4954 * testsuite/thin_archive_test_4.cc: New file.
4956 2008-09-29 Cary Coutant <ccoutant@google.com>
4958 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4959 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4961 (Sized_relobj::do_finalize_local_symbols): Likewise.
4962 (Sized_relobj::map_to_kept_section): Likewise.
4963 * object.h (Sized_relobj::invalid_address): New constant.
4964 (Sized_relobj::do_output_section_offset): Check for invalid_address
4966 * output.cc (Output_reloc::local_section_offset): Use constant
4967 invalid_address instead of -1U.
4968 (Output_reloc::get_address): Likewise.
4969 (Output_section::output_address): Change -1U to -1ULL.
4970 * output.h (Output_reloc::invalid_address): New constant.
4971 * reloc.cc (Sized_relobj::write_sections): Use constant
4972 invalid_address instead of -1U.
4973 (Sized_relobj::relocate_sections): Likewise.
4974 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4975 values for merge sections.
4976 * target-reloc.h (relocate_for_relocatable): Use constant
4977 invalid_address instead of -1U.
4979 2008-09-19 Cary Coutant <ccoutant@google.com>
4981 Add plugin functionality for link-time optimization (LTO).
4982 * configure.ac (plugins): Add --enable-plugins option.
4983 * configure: Regenerate.
4984 * config.in: Regenerate.
4985 * Makefile.am (LIBDL): New variable.
4986 (CCFILES): Add plugin.cc.
4987 (HFILES): Add plugin.h.
4988 (ldadd_var): Add LIBDL.
4989 * Makefile.in: Regenerate.
4991 * archive.cc: Include "plugin.h".
4992 (Archive::setup): Don't preread archive symbols when using a plugin.
4993 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
4994 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4996 (Archive::include_member): Add symbols from plugin objects.
4997 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4998 * descriptors.cc (Descriptors::open): Check for file descriptors
4999 abandoned by plugins.
5000 (Descriptors::claim_for_plugin): New function.
5001 * descriptors.h (Descriptors::claim_for_plugin): New function.
5002 (Open_descriptor::is_claimed): New field.
5003 (claim_descriptor_for_plugin): New function.
5004 * fileread.cc (File_read::claim_for_plugin): New function.
5005 * fileread.h (File_read::claim_for_plugin): New function.
5006 (File_read::descriptor): New function.
5007 * gold.cc: Include "plugin.h".
5008 (queue_initial_tasks): Add task to call plugin hooks for generating
5010 * main.cc: Include "plugin.h".
5011 (main): Load plugin libraries.
5012 * object.h (Pluginobj): Declare.
5013 (Object::pluginobj): New function.
5014 (Object::do_pluginobj): New function.
5015 (Object::set_target): New function.
5016 * options.cc: Include "plugin.h".
5017 (General_options::parse_plugin): New function.
5018 (General_options::General_options): Initialize plugins_ field.
5019 (General_options::add_plugin): New function.
5020 * options.h (Plugin_manager): Declare.
5021 (General_options): Add --plugin option.
5022 (General_options::has_plugins): New function.
5023 (General_options::plugins): New function.
5024 (General_options::add_plugin): New function.
5025 (General_options::plugins_): New field.
5026 * plugin.cc: New file.
5027 * plugin.h: New file.
5028 * readsyms.cc: Include "plugin.h".
5029 (Read_symbols::do_read_symbols): Check for archive before checking
5030 for ELF file. Call plugin hooks to claim files.
5031 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5032 from a real object file; force override when processing replacement
5034 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5035 (Symbol::init_base_object): Likewise.
5036 (Symbol::init_base_output_data): Likewise.
5037 (Symbol::init_base_output_segment): Likewise.
5038 (Symbol::init_base_constant): Likewise.
5039 (Symbol::init_base_undefined): Likewise.
5040 (Symbol::output_section): Assert that object is not a plugin.
5041 (Symbol_table::add_from_pluginobj): New function.
5042 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5044 (Symbol_table::sized_write_globals): Likewise.
5045 (Symbol_table::add_from_pluginobj): Instantiate template.
5046 * symtab.h (Sized_pluginobj): Declare.
5047 (Symbol::in_real_elf): New function.
5048 (Symbol::set_in_real_elf): New function.
5049 (Symbol::in_real_elf_): New field.
5050 (Symbol_table::add_from_pluginobj): New function.
5052 * testsuite/Makefile.am (AM_CFLAGS): New variable.
5053 (LIBDL): New variable.
5055 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5056 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5057 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5058 (MOSTLYCLEANFILES): Likewise.
5059 * testsuite/Makefile.in: Regenerate.
5060 * testsuite/plugin_test.c: New file.
5061 * testsuite/plugin_test_1.sh: New file.
5062 * testsuite/plugin_test_2.sh: New file.
5064 2008-09-16 Ian Lance Taylor <iant@google.com>
5066 * target-reloc.h (relocate_section): Check whether a symbol is
5067 defined by the ABI before reporting an undefined symbol error.
5068 * target.h (Target::is_defined_by_abi): Make parameter const.
5069 (Target::do_is_defined_by_abi): Likewise.
5070 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5071 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5072 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5073 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5074 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5075 * testsuite/Makefile.in: Rebuild.
5077 * fileread.cc (make_view): Add casts to avoid warning.
5079 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5081 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5082 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5084 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5086 * options.h (General_options::output_is_executable): New.
5087 (General_options::output_is_pie): New.
5088 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5089 for shared libraries.
5090 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5092 2008-09-11 Chris Demetriou <cgd@google.com>
5094 * options.h (origin): New -z option.
5095 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5096 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5099 2008-09-05 Cary Coutant <ccoutant@google.com>
5101 * fileread.cc (File_read::make_view): Add check for attempt to map
5104 2008-09-05 Cary Coutant <ccoutant@google.com>
5106 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5107 explicit instantiations.
5109 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
5112 * options.cc (General_options::finalize): Allow undefined symbols
5113 in shlibs if linking -shared.
5116 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5117 symbols as not needing a dynsym entry.
5119 2008-08-20 Craig Silverstein <csilvers@google.com>
5121 * fileread.cc (File_read::open): Do not lock the file unless it
5122 was successfully opened.
5124 2008-08-14 Cary Coutant <ccoutant@google.com>
5126 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5127 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5128 * testsuite/tls_test.cc (struct int128): 128-bit struct
5129 for testing TLS relocs with non-zero addend.
5130 (v12): New TLS variable.
5132 (t_last): Add check for v12.
5133 * testsuite/tls_test.h (t12): New function.
5134 * testsuite/tls_test_main.cc (thread_routine): Call new test.
5136 2008-08-13 Ian Lance Taylor <iant@google.com>
5138 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5139 set tls_segment_ or relro_segment_.
5140 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5142 * output.h (Output_section::clear_is_relro): New function.
5143 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5144 sections specially even when output_data_ is empty.
5145 (Output_segment::maximum_alignment): When first section is relro,
5146 only force alignment for PT_LOAD segments.
5147 * script.cc (script_data_segment_align): New function.
5148 (script_data_segment_relro_end): New function.
5149 * script-c.h (script_data_segment_align): Declare.
5150 (script_data_segment_relro_end): Declare.
5151 * script-sections.h (class Script_sections): Declare
5152 data_segment_align and data_segment_relro_end. Add fields
5153 segment_align_index_ and saw_relro_end_.
5154 * script-sections.cc (class Sections_element): Add set_is_relro
5155 virtual function. Add new bool* parameter to place_orphan_here.
5156 Add get_output_section virtual function.
5157 (class Output_section_definition): Add set_is_relro. Add new
5158 bool* parameter to place_orphan_here. Add get_output_section.
5159 Add is_relro_ field.
5160 (Output_section_definition::Output_section_definition): Initialize
5161 evaluated_address_, evaluated_load_address, evaluated_addralign_,
5162 and is_relro_ fields.
5163 (Output_section_definition::place_orphan_here): Add is_relro
5165 (Output_section_definition::set_section_addresses): Set relro for
5167 (Output_section_definition::alternate_constraint): Likewise.
5168 (class Orphan_output_section): Add new bool* parameter to
5169 place_orphan_here. Add get_output_section.
5170 (Orphan_output_section::place_orphan_here): Add is_relro
5172 (Script_sections::Script_sections): Initialize
5173 data_segment_align_index_ and saw_relro_end_.
5174 (Script_sections::data_segment_align): New function.
5175 (Script_sections::data_segment_relro_end): New function.
5176 (Script_sections::place_orphan): Set or clear is_relro.
5177 (Script_sections::set_section_addresses): Force alignment of first
5179 * yyscript.y (exp): Call script_data_segment_align and
5180 script_data_segment_relro_end.
5181 * testsuite/relro_script_test.t: New file.
5182 * testsuite/relro_test.cc (using_script): Declare.
5183 (t1, t2): Test using_script.
5184 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5185 (relro_script_test_SOURCES): Define.
5186 (relro_script_test_DEPENDENCIES): Define.
5187 (relro_script_test_LDFLAGS): Define.
5188 (relro_script_test_LDADD): Define.
5189 (relro_script_test.so): New target.
5190 * testsuite/Makefile.in: Rebuild.
5192 2008-08-06 Cary Coutant <ccoutant@google.com>
5194 * archive.cc (Archive::total_archives, Archive::total_members)
5195 (Archive::total_members_loaded): New variables.
5196 (Archive::setup): Add parameter. Add option to preread
5198 (Archive::read_armap): Add counter.
5199 (Archive::get_file_and_offset): New function.
5200 (Archive::get_elf_object_for_member): New function.
5201 (Archive::read_all_symbols): New function.
5202 (Archive::read_symbols): New function.
5203 (Archive::add_symbols): Add counters.
5204 (Archive::include_all_members): Use armap to find members if it's
5206 (Archive::include_member): Skip reading symbols if already read.
5207 Factored code into Archive::get_file_and_offset and
5208 Archive::get_elf_object_for_member. Changed call to
5209 Mapfile::report_include_archive_member.
5210 (Archive::print_stats): New function.
5211 * archive.h: Declare Object and Read_symbols_data classes.
5212 (Archive::Archive): Add initializers for new members.
5213 (Archive::setup): Add parameter.
5214 (Archive::print_stats): New function.
5215 (Archive::total_archives, Archive::total_members)
5216 (Archive::total_members_loaded): New variables.
5217 (Archive::get_file_and_offset): New function.
5218 (Archive::get_elf_object_for_member): New function.
5219 (Archive::read_all_symbols): New function.
5220 (Archive::read_symbols): New function.
5221 (Archive::Archive_member): New class.
5222 (Archive::members_): New member.
5223 (Archive::num_members_): New member.
5224 * main.cc: Include archive.h.
5225 (main): Call Archive::print_stats.
5226 * mapfile.cc (Mapfile::report_include_archive_member): Delete
5227 archive parameter; member_name is now the fully-decorated name.
5228 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5229 * options.h: (General_options): Add --preread-archive-symbols option.
5230 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5233 2008-08-04 Ian Lance Taylor <iant@google.com>
5235 * symtab.h (Symbol::use_plt_offset): New function.
5236 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5237 * powerpc.cc (Relocate::relocate): Likewise.
5238 * sparc.cc (Relocate::relocate): Likewise.
5239 * x86_64.cc (Relocate::relocate): Likewise.
5240 * testsuite/weak_plt.sh: New test.
5241 * testsuite/weak_plt_main.cc: New test.
5242 * testsuite/weak_plt_shared.cc: New test.
5243 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5244 (check_PROGRAMS): Add weak_plt.
5245 (check_DATA): Add weak_plt_shared.so.
5246 (weak_plt_main_pic.o, weak_plt): New targets.
5247 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5248 * testsuite/Makefile.in: Rebuild.
5250 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5252 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5253 * testsuite/Makefile.in: Rebuild.
5255 2008-08-04 Alan Modra <amodra@bigpond.net.au>
5257 * Makefile.am (POTFILES.in): Set LC_ALL=C.
5258 * Makefile.in: Regenerate.
5259 * po/POTFILES.in: Regenerate.
5261 2008-07-29 Ian Lance Taylor <iant@google.com>
5263 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5264 symbols before other symbols.
5265 * testsuite/script_test_2.cc (test_addr): Declare.
5266 (test_addr_alias): Declare.
5267 (main): Check that test_addr and test_addr_alias have the right
5269 * testsuite/script_test_2.t: Define test_addr_alias and
5272 2008-07-24 Ian Lance Taylor <iant@google.com>
5275 * descriptors.cc: New file.
5276 * descriptors.h: New file.
5277 * gold-threads.h (class Hold_optional_lock): New class.
5278 * fileread.cc: Include "descriptors.h".
5279 (File_read::~File_read): Release descriptor rather than closing
5281 (File_read::open) [file]: Call open_descriptor rather than open.
5282 Set is_descriptor_opened_.
5283 (File_read::open) [memory]: Assert that descriptor is not open.
5284 (File_read::reopen_descriptor): New function.
5285 (File_read::release): Release descriptor.
5286 (File_read::do_read): Make non-const. Reopen descriptor.
5287 (File_read::read): Make non-const.
5288 (File_read::make_view): Reopen descriptor.
5289 (File_read::do_readv): Likewise.
5290 * fileread.h (class File_read): Add is_descriptor_opened_ field.
5291 Update declarations.
5292 * layout.cc: Include "descriptors.h".
5293 (Layout::create_build_id): Use open_descriptor rather than open.
5294 * output.cc: Include "descriptors.h".
5295 (Output_file::open): Use open_descriptor rather than open.
5296 * archive.cc (Archive::const_iterator): Change Archive to be
5298 (Archive::begin, Archive::end): Make non-const.
5299 (Archive::count_members): Likewise.
5300 * archive.h (class Archive): Update declarations.
5301 * object.h (Object::read): Make non-const.
5302 * Makefile.am (CCFILES): Add descriptors.cc.
5303 (HFILES): Add descriptors.h.
5304 * Makefile.in: Rebuild.
5307 * gold.h: Always include <clocale>. Add Solaris workarounds
5308 following code in binutils/sysdep.h.
5311 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5312 this->eh_frame_hdr_ is NULL before using it.
5314 * dynobj.cc (Versions::Versions): Update comment.
5316 * dynobj.cc (Versions::Versions): If there is an soname, use it as
5317 the base version name.
5319 * stringpool.cc (Stringpool_template::add_with_length): Set key to
5320 array size plus one.
5321 (Stringpool_template::set_string_offsets): Subtract one from key
5322 before using it as an array index.
5323 (Stringpool_template::get_offset_with_length): Likewise.
5324 (Stringpool_template::write_to_buffer): Likewise.
5325 * stringpool.h (Stringpool_template::get_offset_from_key):
5328 2008-07-23 Ian Lance Taylor <iant@google.com>
5331 * object.h (Merged_symbol_value::value): Do our best to handle a
5335 * script.cc (Version_script_info::get_versions): Don't add empty
5336 version tag to return value.
5337 (Version_script_info::get_symbol_version_helper): Change return
5338 type to bool. Add pversion parameter. Change all callers.
5339 (script_register_vers_node): Don't require a non-NULL tag.
5340 * script.h (class Version_script_info): Update declarations.
5341 (Version_script_info::get_symbol_version): Change return type to
5342 bool. Add version parameter. Change all callers.
5343 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5344 handling. Handle an empty version from a version script.
5345 (Symbol_table::define_special_symbol): Likewise.
5346 * testsuite/ver_test_10.script: New file.
5347 * testsuite/ver_test_10.sh: New file.
5348 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5349 (check_DATA): Add ver_test_10.syms.
5350 (ver_test_10.syms, ver_test_10.so): New target.
5351 * testsuite/Makefile.in: Rebuild.
5353 2008-07-23 Simon Baldwin <simonb@google.com>
5355 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5356 to zero for undefined symbols from dynamic libraries.
5358 2008-07-23 Ian Lance Taylor <iant@google.com>
5360 * symtab.cc (Symbol_table::resolve): Remove version parameter.
5362 * symtab.h (class Symbol_table): Update declaration.
5363 * testsuite/ver_test_9.cc: New file.
5364 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5365 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5366 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5367 (ver_test_9.so, ver_test_9.o): New targets.
5368 * testsuite/Makefile.in: Rebuild.
5370 2008-07-22 Ian Lance Taylor <iant@google.com>
5372 * options.h (class General_options): Define --check-sections.
5373 * layout.cc (Layout::set_segment_offsets): Handle
5376 * options.h (class General_options): Define -n/--nmagic and
5378 * options.cc (General_options::finalize): For -n/--nmagic or
5379 -N/--omagic, set -static.
5380 * layout.cc (Layout::attach_allocated_section_to_segment): If
5381 -N/--omagic, don't put read-only and read-write sections in
5383 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5384 finding a read-only segment.
5385 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5386 don't set the minimum segment alignment to the common page size,
5387 and don't set the file offset to the address modulo the page size.
5388 * script-sections.cc (Script_sections::create_segments): If
5389 -n/--omagic, don't put read-only and read-write sections in
5392 * cref.cc: New file.
5394 * options.h (class General_options): Add --print-symbol-counts.
5395 * main.cc (main): Issue defined symbol report if requested.
5396 * archive.cc (Archive::interpret_header): Make into a const member
5398 (Archive::add_symbols): Call Input_objects::archive_start and
5400 (Archive::const_iterator): Define new class.
5401 (Archive::begin, Archive::end): New functions.
5402 (Archive::include_all_members): Rewrite to use iterator.
5403 (Archive::count_members): New function.
5404 * archive.h (class Archive): Update declarations.
5405 (Archive::filename): New function.
5406 * object.cc: Include "cref.h".
5407 (Sized_relobj::Sized_relobj): Initialize defined_count_.
5408 (Sized_relobj::do_get_global_symbol_counts): New function.
5409 (Input_objects::add_object): Add object to cross-referencer.
5410 (Input_objects::archive_start): New function.
5411 (Input_objects::archive_stop): New function.
5412 (Input_objects::print_symbol_counts): New function.
5413 * object.h: Declare Cref and Archive.
5414 (Object::get_global_symbol_counts): New function.
5415 (Object::do_get_global_symbol_counts): New pure virtual function.
5416 (class Sized_relobj): Add defined_count_ field. Update
5418 (class Input_objects): Add cref_ field. Update constructor.
5419 Update declarations.
5420 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5422 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5424 (Sized_dynobj::do_get_global_symbol_counts): New function.
5425 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5426 defined_count_. Update declarations. Define Symbols typedef.
5427 * symtab.cc (Symbol_table::add_from_relobj): Add defined
5428 parameter. Change all callers.
5429 (Symbol_table::add_from_dynobj): Add sympointers and defined
5430 parameters. Change all callers.
5431 * symtab.h (class Symbol_table): Update declarations.
5432 * Makefile.am (CCFILES): Add cref.cc.
5433 (HFILES): Add cref.h.
5434 * Makefile.in: Rebuild.
5436 2008-07-22 Simon Baldwin <simonb@google.com>
5438 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5439 to zero when writing undefined symbols.
5441 2008-07-22 Ian Lance Taylor <iant@google.com>
5443 * output.cc (Output_section::add_input_section): Don't try to
5444 merge empty merge sections.
5446 2008-07-21 Craig Silverstein <csilvers@google.com>
5448 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5449 Include symbol version in error message.
5451 2008-07-20 Chris Demetriou <cgd@google.com>
5453 * configure.ac (gold_cv_c_random_seed): New configured variable.
5454 (RANDOM_SEED_CFLAGS): New substituted variable.
5455 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5456 * configure: Rebuild.
5457 * Makefile.in: Likewise.
5458 * testsuite/Makefile.in: Likewise.
5460 2008-07-18 Ian Lance Taylor <iant@google.com>
5462 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5463 where we see NAME/NULL and NAME/VERSION as separate symbols.
5464 * testsuite/ver_test_main.cc (main): Call t4.
5465 (t4, t4_2a): Define.
5466 * testsuite/ver_test_2.cc (t4_2): Define.
5467 * testsuite/ver_test_2.script: Put t4_2a in VER2.
5468 * testsuite/ver_test_4.cc (t4_2a): Define.
5469 * testsuite/ver_test_4.script: Put t4_2a in VER2.
5470 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5472 2008-07-17 Ian Lance Taylor <iant@google.com>
5474 * dynobj.cc (Versions::add_def): If we give an error about a
5475 missing version, go ahead and create the version anyhow.
5477 2008-07-10 Ian Lance Taylor <iant@google.com>
5479 Handle output sections with more than 0x7fffffff bytes.
5480 * object.h (class Relobj): Change map_to_output_ to
5481 output_sections_, and just keep a section pointer. Change all
5482 uses. Move comdat group support to Sized_relobj.
5483 (Relobj::is_section_specially_mapped): Remove.
5484 (Relobj::output_section): Remove poff parameter. Change all
5486 (Relobj::output_section_offset): New function.
5487 (Relobj::set_section_offset): Rewrite.
5488 (Relobj::map_to_output): Remove.
5489 (Relobj::output_sections): New function.
5490 (Relobj::do_output_section_offset): New pure virtual function.
5491 (Relobj::do_set_section_offset): Likewise.
5492 (class Sized_relobj): Add section_offsets_ field. Add comdat
5493 group support from Relobj. Update declarations.
5494 (Sized_relobj::get_output_section_offset): New function.
5495 (Sized_relobj::do_output_section_offset): New function.
5496 (Sized_relobj::do_set_section_offset): New function.
5497 * object.cc (Relobj::output_section_address): Remove.
5498 (Sized_relobj::Sized_relobj): Initialize new fields.
5499 (Sized_relobj::include_section_group): Cast find_kept_object to
5501 (Sized_relobj::include_linkonce_section): Likewise.
5502 (Sized_relobj::do_layout): Use separate arrays for output section
5504 (Sized_relobj::do_count_local_symbols): Change map_to_output to
5506 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5507 output_sections and section_offsets.
5508 (Sized_relobj::write_local_symbols): Likewise.
5509 (map_to_kept_section): Compute output address directly.
5510 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5511 output_sections and section_offsets.
5512 (Sized_relobj::write_sections): Likewise.
5513 (Sized_relobj::relocate_sections): Likewise.
5514 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5515 * output.h (class Output_reloc): Update declarations. Change
5516 u2_.relobj to Sized_relobj*.
5517 (class Output_data_reloc): Change add functions to use
5519 * output.cc (Output_reloc::Output_reloc): Change relobj to
5521 (Output_reloc::local_section_offset): Change return type to
5522 Elf_Addr. Use get_output_section_offset.
5523 (Output_reloc::get_address): Likewise.
5524 (Output_section::is_input_address_mapped): Don't call
5525 is_section_specially_mapped.
5526 (Output_section::output_offset): Likewise.
5527 (Output_section::output_address): Likewise.
5528 (Output_section::starting_output_address): Likewise.
5529 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5530 parameter to Sized_relobj*.
5531 (Copy_relocs::need_copy_reloc): Likewise.
5532 (Copy_relocs::save): Likewise.
5533 * copy-relocs.h (class Copy_relocs): Update declarations.
5534 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5535 Sized_relobj*. Change relobj_ field to Sized_relobj*.
5536 * target-reloc.h (relocate_for_relocatable): Change
5537 offset_in_output_section type to Elf_Addr. Change code that uses
5539 * layout.cc (Layout::layout): Always set *off.
5540 * mapfile.cc (Mapfile::print_input_section): Use
5541 output_section_offset.
5542 * i386.cc (Target_i386::copy_reloc): Change object parameter to
5544 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5545 * sparc.cc (Target_sparc::copy_reloc): Likewise.
5546 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5548 2008-07-03 Ian Lance Taylor <iant@google.com>
5550 * layout.cc (Layout::include_section): Do not discard unrecognized
5551 SHT_STRTAB sections.
5553 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
5555 * script.cc (Lex::can_continue_name): Make '?' allowable in
5556 version-script names.
5557 * testsuite/version_script.map: Change glob pattern to use '?'
5559 2008-06-30 Manish Singh <yosh@gimp.org>
5562 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5565 2008-06-30 Ian Lance Taylor <iant@google.com>
5569 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5570 versions]: Don't try to read the value in the contents, since we
5571 don't use it. Use the template endianness when writing.
5573 2008-06-25 Cary Coutant <ccoutant@google.com>
5575 * fileread.cc (File_read::make_view): Assert on zero-length view.
5576 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5577 symbol table when there are no symbols to read.
5579 2008-06-23 Craig Silverstein <csilvers@google.com>
5581 * version.cc (version_string): Bump to 1.7
5583 2008-06-18 Craig Silverstein <csilvers@google.com>
5585 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5586 constant 0xFFFF to type Valtype.
5587 (Powerpc_relocate_functions::rel16_ha): Likewise.
5589 2008-06-17 Ian Lance Taylor <iant@google.com>
5591 * output.h (Output_section::Input_section): Initialize p2align_ to
5592 zero for Output_section_data constructors.
5593 (Output_section::Input_section::addralign): If not an input
5594 section, return the alignment of the Output_section_data.
5595 * testsuite/copy_test.cc: New file.
5596 * testsuite/copy_test_1.cc: New file.
5597 * testsuite/copy_test_2.cc: New file.
5598 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5599 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5600 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5601 (copy_test_1_pic.o, copy_test_1.so): New targets.
5602 (copy_test_2_pic.o, copy_test_2.so): New targets.
5603 * testsuite/Makefile.in: Rebuild.
5605 * script-sections.cc (Script_sections::place_orphan): Initialize
5606 local variable exact.
5608 2008-06-13 David Edelsohn <edelsohn@gnu.org>
5610 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5612 2008-06-12 David Edelsohn <edelsohn@gnu.org>
5613 David S. Miller <davem@davemloft.net>
5615 * powerpc.cc: New file.
5616 * Makefile.am (TARGETSOURCES): Add powerpc.cc
5617 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5618 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5619 * Makefile.in: Rebuild.
5621 2008-06-09 Ian Lance Taylor <iant@google.com>
5623 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5625 (throwing, orig_terminate): New static variables.
5626 (terminate_handler): New static function.
5627 (t2): Set terminate handler.
5629 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
5632 * binary.cc (Binary_to_elf::sized_convert): Fix .data
5635 2008-05-30 Cary Coutant <ccoutant@google.com>
5637 * archive.cc (Archive::include_all_members) Correct to step
5638 over symbol table and extended name table in thin archives.
5640 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
5643 * target-reloc.h (relocate_for_relocatable): Fix new_offset
5646 2008-05-28 Caleb Howe <cshowe@google.com>
5648 * reduced_debug_output.cc: New file.
5649 * reduced_debug_output.h: New file.
5650 * options.h (class General_options): Add --strip-debug-non-line.
5651 * options.cc (General_options::finalize): Add strip_debug_non_line
5652 to the strip heirarchy.
5653 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5655 * layout.cc: Include "reduced_debug_output.h".
5656 (Layout::Layout): Initialize new fields.
5657 (line_only_debug_sections): New static array.
5658 (is_lines_only_debug_sections): New static inline function.
5659 (Layout::include_section): Handle --strip-debug-non-line.
5660 (Layout::make_output_section): If --strip-debug-non-line, build
5661 new output sections for .debug_abbrev and .debug_info.
5662 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5663 gold. Warn about possible overflow.
5664 (read_signed_LEB_128): Likewise.
5665 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5666 (read_signed_LEB_128): Declare.
5667 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5668 (HFILES): Add reduced_debug_output.h.
5669 * Makefile.in: Rebuild.
5671 2008-05-21 Ian Lance Taylor <iant@google.com>
5673 * mapfile.cc: New file.
5674 * mapfile.h: New file.
5675 * options.h (class General_options): Add -M/--print-map and -Map.
5676 * options.cc (General_options::finalize): Make -M equivalent to
5678 * main.cc: Include <cstdio> and "mapfile.h".
5679 (main): Open mapfile if requested.
5680 * gold.cc (class Middle_runner): Add mapfile_ field. Update
5681 constructor. Change caller.
5682 (queue_initial_tasks): Add mapfile parameter. Change caller.
5683 (queue_middle_tasks): Likewise.
5684 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5686 * archive.cc: Include "mapfile.h".
5687 (Archive::add_symbols): Add mapfile parameter. Change all
5688 callers. Pass mapfile, symbol, and reason to include_member.
5689 (Archive::include_all_members): Add mapfile parameter. Change all
5691 (Archive::include_member): Add mapfile, sym, and why parameters.
5692 Change all callers. Report inclusion to map file.
5693 * archive.h: Include "fileread.h".
5694 (class Archive): Update declarations.
5695 (Archive::file): New const method.
5696 (class Add_archive_symbols): Add mapfile_ field. Update
5697 constructor. Change all callers.
5698 * readsyms.h (class Read_symbols): Likewise.
5699 (class Finish_group): Likewise.
5700 (class Read_script): Likewise.
5701 * common.cc: Include "mapfile.h".
5702 (Symbol_table::allocate_commons): Add mapfile parameter. Change
5704 (Symbol_table::do_allocate_commons): Likewise.
5705 (Symbol_table::do_allocate_commons_list): Likewise. Report common
5706 symbol allocation to mapfile.
5707 * common.h (class Allocate_commons_task): Add mapfile_ field.
5708 Update constructor. Change all callers.
5709 * symtab.h (class Symbol_table): Update declarations.
5710 * layout.cc: Include "mapfile.h".
5711 (Layout_task_runner::run): Print information to mapfile.
5712 (Layout::create_gold_note): Change Output_data_fixed_space to
5713 Output_data_zero_fill.
5714 (Layout::create_build_id): Likewise.
5715 (Layout::print_to_mapfile): New function.
5716 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
5717 constructor. Change caller.
5718 (class Layout): Declare print_to_mapfile.
5719 * output.cc (Output_section::Input_section::print_to_mapfile): New
5721 (Output_section::add_input_section): If producing a map, always
5722 add to input_sections_ list.
5723 (Output_section::do_print_to_mapfile): New function.
5724 (Output_segment::print_sections_to_mapfile): New function.
5725 (Output_segment::print_section_list_to_mapfile): New function.
5726 * output.h: Include "mapfile.h".
5727 (Output_data::print_to_mapfile): New function.
5728 (Output_data::do_print_to_mapfile): New virtual function.
5729 (Output_segment_headers::do_print_to_mapfile): New function.
5730 (Output_file_header::do_print_to_mapfile): New function.
5731 (Output_data_const::do_print_to_mapfile): New function.
5732 (class Output_data_const_buffer): Add map_name_ field. Update
5733 constructor. Change all callers. Add do_print_to_mapfile
5735 (class Output_data_fixed_space): Likewise.
5736 (class Output_data_space): Likewise.
5737 (class Output_data_zero_fill): New class.
5738 (Output_data_strtab::do_print_to_mapfile): New function.
5739 (Output_data_reloc_base::do_print_to_mapfile): New function.
5740 (Output_relocatable_relocs::do_print_to_mapfile): New function.
5741 (Output_data_group::do_print_to_mapfile): New function.
5742 (Output_data_got::do_print_to_mapfile): New function.
5743 (Output_data_dynamic::do_print_to_mapfile): New function.
5744 (Output_symtab_xindex::do_print_to_mapfile): New function.
5745 (class Output_section): Declare do_print_to_mapflie. Declare
5746 print_to_mapfile in Input_section.
5747 (class Output_segment): Declare new functions.
5748 * object.h (Sized_relobj::symbol_count): New function.
5749 * script-sections.cc
5750 (Output_section_element_dot_assignment::set_section_addresses):
5751 Change Output_data_fixed_space to Output_data_zero_fill.
5752 (Output_data_expression::do_print_to_mapfile): New function.
5753 * script.cc (read_input_script): Add mapfile parameter. Change
5755 * script.h (read_input_script): Update declaration.
5756 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5757 (Eh_frame::do_print_to_mapfile): New function.
5758 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5759 (Output_merge_string::do_print_to_mapfile): New function.
5760 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5762 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5764 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5766 * Makefile.am (CCFILES): Add mapfile.cc.
5767 (HFILES): Add mapfile.h.
5768 * Makefile.in: Rebuild.
5770 2008-05-19 Ian Lance Taylor <iant@google.com>
5772 * options.h (class General_options): Add -z relro.
5773 * layout.cc (Layout::Layout): Initialize relro_segment_.
5774 (Layout::add_output_section_data): Return the output section.
5775 (Layout::make_output_section): Rcognize relro sections and mark
5777 (Layout::attach_allocated_section_to_segment): Put relro sections
5778 in a PT_GNU_RELRO segment.
5779 (Layout::create_initial_dynamic_sections): Mark the .dynamic
5781 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5783 (Layout::linkonce_mapping): Map d.rel.ro.local to
5785 (Layout::output_section_name): Us .data.rel.ro.local for any
5786 section which begins with that.
5787 * layout.h (class Layout): Update add_output_section_data
5788 declaration. Add relro_segment_ field.
5789 * output.cc (Output_section::Output_section): Initialize is_relro_
5790 and is_relro_local_ fields.
5791 (Output_segment::add_output_section): Group relro sections.
5792 (Output_segment::is_first_section_relro): New function.
5793 (Output_segment::maximum_alignment): If there is a relro section,
5794 align the segment to the common page size.
5795 (Output_segment::set_section_addresses): Track whether we are
5796 looking at relro sections. If the last section is a relro
5797 section, align to the common page size.
5798 (Output_segment::set_section_list_addresses): Add in_relro
5799 parameter. Change all callers. Align to the page size when
5800 moving from relro to non-relro section.
5801 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5803 * output.h (class Output_section): Add is_relro_ and
5804 is_relro_local_ fields.
5805 (Output_section::is_relro): New function.
5806 (Output_section::set_is_relro): New function.
5807 (Output_section::is_relro_local): New function.
5808 (Output_section::set_is_relro_local): New function.
5809 (class Output_segment): Update declarations.
5810 * i386.cc (Target_i386::got_section): Mark .got section as relro.
5811 * sparc.cc (Target_sparc::got_section): Likewise.
5812 * x86_64.cc (Target_x86_64::got_section): Likewise.
5813 * testsuite/relro_test_main.cc: New file.
5814 * testsuite/relro_test.cc: New file.
5815 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5816 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5817 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5818 (relro_test.so, relro_test_pic.o): New targets.
5819 * testsuite/Makefile.in: Rebuild.
5821 2008-05-16 Ian Lance Taylor <iant@google.com>
5823 * output.cc (Output_segment::add_output_section): Remove front
5825 * output.h (class Output_segment): Remove
5826 add_initial_output_section and overloaded add_output_section.
5827 Update declaration of remaining add_output_section.
5828 * layout.cc (Layout::create_interp): Call add_output_section
5829 rather than add_initial_output_section.
5830 (Layout::finish_dynamic_section): Likewise.
5832 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5833 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
5834 know the dynamic type.
5835 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5836 field. Initialize it in constructor.
5837 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5838 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5839 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5842 * output.cc (Output_reloc::get_address): Change return type to
5844 * output.h (class Output_reloc): Update get_address declaration.
5845 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5846 for section addresses.
5848 2008-05-09 Ian Lance Taylor <iant@google.com>
5851 * gold.cc (gold_nomem): Use return value of write.
5853 2008-05-08 Ian Lance Taylor <iant@google.com>
5855 * symtab.c (Symbol::init_base_output_data): Add version
5856 parameter. Change all callers.
5857 (Symbol::init_base_output_segment): Likewise.
5858 (Symbol::init_base_constant): Likewise.
5859 (Symbol::init_base_undefined): Likewise.
5860 (Sized_symbol::init_output_data): Likewise.
5861 (Sized_symbol::init_output_segment): Likewise.
5862 (Sized_symbol::init_constant): Likewise.
5863 (Sized_symbol::init_undefined): Likewise.
5864 (Symbol_table::do_define_in_output_data): If the new symbol has a
5865 version, mark it as the default.
5866 (Symbol_table::do_define_in_output_segment): Likewise.
5867 (Symbol_table::do_define_as_constant): Likewise.
5868 * symtab.h (class Symbol): Update declarations.
5869 (class Sized_symbol): Likewise.
5870 * resolve.cc (Symbol::override_version): New function.
5871 (Symbol::override_base): Call override_version.
5872 (Symbol::override_base_with_special): Likewise.
5873 * testsuite/ver_script_8.script: New file.
5874 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5875 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5876 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5877 (ver_test_8_1.so, ver_test_8_2.so): New targets.
5879 2008-05-06 Ian Lance Taylor <iant@google.com>
5882 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5884 (class General_options): Remove existing --undefined, and add
5885 --no-undefined instead. Add new --undefined as synonym for -u.
5886 * archive.cc (Archive::add_symbols): Check whether symbol was
5888 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5889 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5890 all uses. Add IS_UNDEFINED. Update declarations to split
5891 different versions of init_base. Declare init_base_undefined.
5892 (Symbol::is_defined): Handle IS_UNDEFINED.
5893 (Symbol::is_undefined): Likewise.
5894 (Symbol::is_weak_undefined): Call is_undefined.
5895 (Symbol::is_absolute): Handle IS_CONSTANT.
5896 (class Sized_symbol): Update declarations to split different
5897 versions of init. Declare init_undefined.
5898 (class Symbol_table): Declare new functions.
5899 * symtab.cc (Symbol::init_base_object): Rename from init_base.
5901 (Symbol::init_base_output_data): Likewise.
5902 (Symbol::init_base_output_segment): Likewise.
5903 (Symbol::init_base_constant): Likewise.
5904 (Symbol::init_base_undefined): New function.
5905 (Sized_symbol::init_object): Rename from init. Change all
5907 (Sized_symbol::init_output_data): Likewise.
5908 (Sized_symbol::init_output_segment): Likewise.
5909 (Sized_symbol::init_constant): Likewise.
5910 (Sized_symbol::init_undefined): New function.
5911 (Symbol_table::add_undefined_symbols_from_command_line): New
5913 (Symbol_table::do_add_undefined_symbols_from_command_line): New
5915 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5916 (Symbol::output_section): Likewise.
5917 (Symbol::set_output_section): Likewise.
5918 (Symbol_table::sized_finalize_symbol): Likewise.
5919 (Symbol_table::sized_write_globals): Likewise.
5920 * resolve.cc (Symbol_table::should_override): Likewise.
5921 (Symbol::override_base_with_special): Likewise.
5923 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5924 symbol, change it to have default visibility.
5925 * testsuite/protected_1.cc: New file.
5926 * testsuite/protected_2.cc: New file.
5927 * testsuite/protected_3.cc: New file.
5928 * testsuite/protected_main_1.cc: New file.
5929 * testsuite/protected_main_2.cc: New file.
5930 * testsuite/protected_main_3.cc: New file.
5931 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5932 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5933 (protected_1_LDFLAGS, protected_1_LDADD): Define.
5934 (protected_1.so): New target.
5935 (protected_1_pic.o, protected_2_pic.o): New targets.
5936 (protected_3_pic.o): New target.
5937 (check_PROGRAMS): Add protected_2.
5938 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5939 (protected_2_LDFLAGS, protected_2_LDADD): Define.
5940 * testsuite/Makefile.in: Rebuild.
5942 * options.h (DEFINE_var): Add set_user_set_##varname__.
5943 (DEFINE_bool_alias): New macro.
5944 (class General_options): Define -Bstatic using DEFINE_bool_alias
5945 rather than DEFINE_special. Add --undefined as an alias for -z
5947 * options.cc (General_options::parse_Bstatic): Remove.
5949 * options.h (class General_options): Add --fatal-warnings.
5950 * main.cc (main): Implement --fatal-warnings.
5951 * errors.h (Errors::warning_count): New function.
5953 * options.h (class General_options): Add -Bsymbolic-functions.
5954 * symtab.h (Symbol::is_preemptible): Check for
5955 -Bsymbolic-functions.
5957 2008-05-05 Ian Lance Taylor <iant@google.com>
5959 * options.h (DEFINE_bool): For DASH_Z, create the negative option
5960 as noVARNAME rather than no-VARNAME.
5961 (class General_options): Add option -z combreloc.
5962 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5964 (Output_reloc::sort_before) [SHT_REL]: New function.
5965 (Output_reloc::sort_before) [SHT_RELA]: New function.
5966 (class Output_data_reloc_base): Add sort_relocs_ field. Define
5967 Sort_relocs_comparison.
5968 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5969 parameter. Change all callers.
5970 (Output_data_reloc::Output_data_reloc) [both versions]: Add
5971 sort_relocs parameter. Change all callers.
5972 * output.cc (Output_reloc::get_address): New function, broken out
5974 (Output_reloc::write_rel): Call it.
5975 (Output_reloc::compare): New function.
5976 (Output_data_reloc_base::do_write): Optionally sort relocs.
5978 * configure.ac: If targ_extra_obj is set, link it in.
5979 * configure.tgt: Initialize all variables.
5980 (x86_64*): Set targ_extra_obj and targ_extra_size.
5981 * configure: Rebuild.
5983 * object.cc (Sized_relobj::include_section_group): Adjust section
5984 indexes read from group data. Build vector to pass to
5986 * layout.cc (Layout::layout_group): Add flags and shndxes
5987 parameters. Remove contents parameter. Change caller. Update
5988 explicit instantiations.
5989 * layout.h (class Layout): Update layout_group declaration.
5990 * output.cc (Output_data_group::Output_data_group): Add flags and
5991 input_shndxes parameters. Remove contents parameter. Change
5993 (Output_data_group::do_write): Change input_sections_ to
5995 * output.h (class Output_data_group): Update constructor
5996 declaration. Rename input_sections_ to input_shndxes_.
5997 * testsuite/many_sections_test.cc: Add template.
5999 2008-04-30 Cary Coutant <ccoutant@google.com>
6001 * target-reloc.h (relocate_section): Fix dead-pointer bug.
6003 * layout.cc (Layout::include_section): Refactored check for debug
6005 (Layout::add_comdat): Add new parameters. Change type
6006 of signature parameter. Add object and shndx to signatures table.
6007 (Layout::find_kept_object): New function.
6008 * layout.h: Include <cstring>.
6009 (Layout::is_debug_info_section): New function.
6010 (Layout::add_comdat): Add new parameters.
6011 (Layout::find_kept_object): New function.
6012 (Layout::Kept_section): New struct.
6013 (Layout::Signatures): Change type of map range.
6014 * object.cc (Relobj::output_section_address): New function.
6015 (Sized_relobj::include_section_group): Add new parameters. Change
6016 calls to Layout::add_comdat. Change to build table of kept comdat
6017 groups and table mapping discarded sections to kept sections.
6018 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
6019 (Sized_relobj::do_layout): Change calls to include_section_group and
6020 include_linkonce_section.
6021 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6022 value to zero when section is discarded.
6023 (Sized_relobj::map_to_kept_section): New function.
6024 * object.h (Relobj::output_section_address): New function.
6025 (Relobj::Comdat_group): New type.
6026 (Relobj::find_comdat_group): New function.
6027 (Relobj::Comdat_group_table): New type.
6028 (Relobj::Kept_comdat_section): New type.
6029 (Relobj::Kept_comdat_section_table): New type.
6030 (Relobj::add_comdat_group): New function.
6031 (Relobj::set_kept_comdat_section): New function.
6032 (Relobj::get_kept_comdat_section): New function.
6033 (Relobj::comdat_groups_): New field.
6034 (Relobj::kept_comdat_sections_): New field.
6035 (Symbol_value::input_value): Update comment.
6036 (Sized_relobj::map_to_kept_section) New function.
6037 (Sized_relobj::include_linkonce_section): Add new parameter.
6038 * target-reloc.h (Comdat_behavior): New type.
6039 (get_comdat_behavior): New function.
6040 (relocate_section): Add code to map a discarded section to the
6041 corresponding kept section when applying a relocation.
6043 2008-04-30 Craig Silverstein <csilvers@google.com>
6045 * dwarf_reader.cc (next_generation_count): New static var.
6046 (Addr2line_cache_entry): New struct.
6047 (addr2line_cache): New static var.
6048 (Dwarf_line_info::one_addr2line): Added caching.
6049 (Dwarf_line_info::clear_addr2line_cache): New function.
6050 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6051 cache-size parameter.
6052 (Dwarf_line_info::one_addr2line_cache): New function.
6053 * symtab.cc (Symbol_table::detect_odr_violations): Pass
6054 new cache-size argument to one_addr2line(), and clear cache.
6056 2008-04-28 Cary Coutant <ccoutant@google.com>
6058 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6059 R_386_PC8 relocations.
6061 2008-04-23 Ian Lance Taylor <iant@google.com>
6063 * object.cc (Sized_relobj::include_section_group): Check for
6064 invalid section group.
6066 * object.cc (make_elf_object): Correct test for 64-bit ELF file
6069 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6070 than read for file header.
6071 * archive.cc (Archive::include_member): Likewise.
6073 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
6075 * aclocal.m4: Regenerate.
6076 * configure: Regenerate.
6078 2008-04-19 Ian Lance Taylor <iant@google.com>
6080 * version.cc (version_string): Bump to 1.6.
6082 * testsuite/Makefile.am (many_sections_r_test): New target.
6083 (many_sections_r_test_SOURCES): Remove.
6084 (many_sections_r_test_DEPENDENCIES): Remove.
6085 (many_sections_r_test_LDFLAGS): Remove.
6086 (many_sections_r_test_LDADD): Remove.
6088 * object.cc (Sized_relobj::do_add_symbols): Always pass
6089 local_symbol_count_ to add_from_relobj.
6091 * testsuite/Makefile.am (many_sections_check.h): Only check one in
6092 every thousand variables.
6093 * testsuite/Makefile.in: Rebuild.
6095 * object.cc (Xindex::initialize_symtab_xindex): New function.
6096 (Xindex::read_symtab_xindex): New function.
6097 (Xindex::sym_xindex_to_shndx): New function.
6098 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6100 (Sized_relobj::do_initialize_xindex): New function.
6101 (Sized_relobj::do_read_symbols): Adjust section links.
6102 (Sized_relobj::symbol_section_and_value): Add is_ordinary
6103 parameter. Change all callers.
6104 (Sized_relobj::include_section_group): Adjust section links and
6105 symbol section indexes.
6106 (Sized_relobj::do_layout): Adjust section links.
6107 (Sized_relobj::do_count_local_symbols): Adjust section links and
6108 symbol section indexes.
6109 (Sized_relobj::do_finalize_local_symbols): Distinguish between
6110 ordinary and special symbols.
6111 (Sized_relobj::write_local_symbols): Add symtab_xindex and
6112 dynsym_xindex parameters. Change all callers. Adjust section
6113 links. Use SHN_XINDEX when needed.
6114 (Sized_relobj::get_symbol_location_info): Adjust section links.
6115 Don't get fooled by special symbols.
6116 * object.h (class Xindex): Define.
6117 (class Object): Add xindex_ parameter. Declare virtual functoin
6118 do_initialize_xindex.
6119 (Object::adjust_sym_shndx): New function.
6120 (Object::set_xindex): New protected function.
6121 (class Symbol_value): Add is_ordinary_shndx_ field.
6122 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6123 (Symbol_value::value): Assert ordinary section.
6124 (Symbol_value::initialize_input_to_output_map): Likewise.
6125 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6127 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
6129 (class Sized_relobj): Update declarations.
6130 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6131 parameter. Change all callers.
6132 (Sized_relobj::adjust_shndx): New function.
6133 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6135 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6136 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
6137 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
6138 (Sized_dynobj::read_dynsym_section): Adjust section links.
6139 (Sized_dynobj::read_dynamic): Likewise.
6140 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
6142 (Sized_dynobj::do_initialize_xindex): New function.
6143 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
6144 do_initialize_xindex.
6145 (Sized_dynobj::adjust_shndx): New function.
6146 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6147 dynsym_xindex_ fields.
6148 (Layout::finalize): Add a call to set_section_indexes before
6149 creating the symtab sections.
6150 (Layout::set_section_indexes): Don't do anything if the section
6151 already has a section index.
6152 (Layout::create_symtab_sections): Add shnum parameter. Change
6153 caller. Create .symtab_shndx section if needed.
6154 (Layout::create_shdrs): Add shstrtab_section parameter. Change
6156 (Layout::allocated_output_section_count): New function.
6157 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6159 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6160 fields. Update declarations.
6161 (Layout::symtab_xindex): New function.
6162 (Layout::dynsym_xindex): New function.
6163 (class Write_symbols_task): Add layout_ field.
6164 (Write_symbols_task::Write_symbols_task): Add layout parameter.
6166 * output.cc (Output_section_headers::Output_section_headers): Add
6167 shstrtab_section parameter. Change all callers.
6168 (Output_section_headers::do_sized_write): Store overflow values
6169 for section count and section string table section index in
6170 section header zero.
6171 (Output_file_header::do_sized_write): Check for overflow of
6172 section count and section string table section index.
6173 (Output_symtab_xindex::do_write): New function.
6174 (Output_symtab_xindex::endian_do_write): New function.
6175 * output.h (class Output_section_headers): Add shstrtab_section_.
6176 Update declarations.
6177 (class Output_symtab_xindex): Define.
6178 (Output_section::has_out_shndx): New function.
6179 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6181 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6183 (Sized_symbol::init): Likewise.
6184 (Symbol::output_section): Check for ordinary symbol.
6185 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
6186 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
6188 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6189 Change all callers. Simplify handling of symbols from sections
6190 not included in the link.
6191 (Symbol_table::add_from_dynobj): Handle ordinary symbol
6193 (Weak_alias_sorter::operator()): Assert that symbols are
6195 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6197 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6198 parameters. Change all callers.
6199 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
6200 symbol distinction. Use SHN_XINDEX when needed.
6201 (Symbol_table::write_section_symbol): Add symtab_xindex
6202 parameter. Change all callers.
6203 (Symbol_table::sized_write_section_symbol): Likewise. Use
6204 SHN_XINDEX when needed.
6205 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
6207 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
6208 (Symbol::is_defined): Check is_ordinary.
6209 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6210 (Symbol::is_absolute, Symbol::is_common): Likewise.
6211 (class Sized_symbol): Update declarations.
6212 (class Symbol_table): Update declarations.
6213 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6214 parameters. Change all callers.
6215 (Sized_symbol::override): Likewise.
6216 (Symbol_table::override): Likewise.
6217 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
6218 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
6219 is_ordinary, and orig_st_shndx parameters. Change all callers.
6220 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6221 to be in an ordinary section.
6222 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6223 object and is_ordinary parameters. Change all callers.
6224 (Sized_dwarf_line_info::read_relocs): Add object parameter.
6225 Change all callers. Don't add undefined or non-ordinary symbols
6227 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6229 * dwarf_reader.h (class Sized_dwarf_line_info): Update
6231 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6232 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6233 (Sized_relobj::relocate_sections): Likewise.
6234 * target-reloc.h (scan_relocs): Adjust section symbol index.
6235 (scan_relocatable_relocs): Likewise.
6236 * i386.cc (Scan::local): Check for ordinary symbols.
6237 * sparc.cc (Scan::local): Likewise.
6238 * x86_64.cc (Scan::local): Likewise.
6239 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6240 to symbol_section_and_value.
6241 * testsuite/many_sections_test.cc: New file.
6242 * testsuite/Makefile.am (BUILT_SOURCES): Define.
6243 (check_PROGRAMS): Add many_sections_test.
6244 (many_sections_test_SOURCES): Define.
6245 (many_sections_test_DEPENDENCIES): Define.
6246 (many_sections_test_LDFLAGS): Define.
6247 (BUILT_SOURCES): Add many_sections_define.h.
6248 (many_sections_define.h): New target.
6249 (BUILT_SOURCES): Add many_sections_check.h.
6250 (many_sections_check.h): New target.
6251 (check_PROGRAMS): Add many_sections_r_test.
6252 (many_sections_r_test_SOURCES): Define.
6253 (many_sections_r_test_DEPENDENCIES): Define.
6254 (many_sections_r_test_LDFLAGS): Define.
6255 (many_sections_r_test_LDADD): Define.
6256 (many_sections_r_test.o): New target.
6257 * testsuite/Makefile.in: Rebuild.
6259 2008-04-17 Cary Coutant <ccoutant@google.com>
6261 * errors.cc (Errors::info): New function.
6262 (gold_info): New function.
6263 * errors.h (Errors::info): New function.
6264 * gold.h (gold_info): New function.
6265 * object.cc (Input_objects::add_object): Print trace output.
6266 * options.cc (options::parse_set): New function.
6267 (General_options::parse_wrap): Deleted.
6268 (General_options::General_options): Deleted initializer.
6269 * options.h (options::String_set): New typedef.
6270 (options::parse_set): New function.
6271 (DEFINE_set): New macro.
6272 (General_options::wrap): Changed to use DEFINE_set. Changed
6273 callers of any_wrap_symbols and is_wrap_symbol.
6274 (General_options::trace, General_options::trace_symbol):
6276 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6277 (General_options::wrap_symbols_): Deleted.
6278 * symtab.cc (Symbol_table::add_from_object): Print trace output.
6280 2008-04-17 David S. Miller <davem@davemloft.net>
6282 * options.cc (General_options::parse_V): New function.
6283 * options.h: Add entries for -V and -Qy.
6285 2008-04-17 Ian Lance Taylor <iant@google.com>
6287 * common.cc (Symbol_table::allocate_commons): Remove options
6288 parameter. Change caller.
6289 (Symbol_table::do_allocate_commons): Remove options parameter.
6290 Change caller. Just call do_allocate_commons_list twice.
6291 (Symbol_table::do_allocate_commons_list): New function, broken out
6292 of do_allocate_commons.
6293 * common.h (class Allocate_commons_task): Remove options_ field.
6295 * symtab.cc (Symbol_table::Symbol_table): Initialize
6297 (Symbol_table::add_from_object): Put TLS common symbols on
6299 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6300 which are IN_OUTPUT_DATA.
6301 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
6302 allocate_commons and do_allocate_commons declarations. Declare
6303 do_allocate_commons_list.
6304 * gold.cc (queue_middle_tasks): Update creation of
6305 Allocate_commons_task to not pass options.
6306 * testsuite/Makefile.am (INCLUDES): Add -I.. .
6307 (TLS_TEST_C_FLAGS): New variable.
6308 (tls_test_c_pic.o): New target.
6309 (tls_test_shared.so): Link in tls_test_c_pic.o.
6310 (tls_test_c_pic_ie.o): New target.
6311 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6312 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6313 (tls_test_c.o): New target.
6314 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6315 (tls_pic_test_LDADD): Likewise.
6316 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6317 (tls_shared_gd_to_ie_test_LDADD): Likewise.
6318 (tls_test_c_gnu2.o): New target.
6319 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6321 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6322 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6323 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6324 * testsuite/tls_test.cc: Include "config.h".
6325 (t_last): Call t11_last.
6326 * testsuite/tls_test.h (t11, t11_last): Declare.
6327 * testsuite/tls_test_c.c: New file.
6328 * testsuite/tls_test_main.cc (thread_routine): Call t11.
6329 * configure.ac: Check for OpenMP support.
6330 * configure, config.in, Makefile.in: Rebuild.
6331 * testsuite/Makefile.in: Rebuild.
6333 2008-04-16 Cary Coutant <ccoutant@google.com>
6335 * i386.cc (Target_i386::define_tls_base_symbol): New function.
6336 (Target_i386::tls_base_symbol_defined_): New field.
6337 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6338 (Target_i386::Scan::global): Likewise.
6339 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6340 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6341 (Target_x86_64::tls_base_symbol_defined_): New field.
6342 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6343 (Target_x86_64::Scan::global): Likewise.
6345 2008-04-16 Cary Coutant <ccoutant@google.com>
6347 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6348 (Symbol::needs_plt_entry): Allow weak undefined symbols.
6349 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6350 building shared libraries.
6351 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6352 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6353 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6354 * testsuite/Makefile.in: Rebuild.
6355 * testsuite/weak_undef.h: New file.
6356 * testsuite/weak_undef_file1.cc: Add extra test cases.
6357 * testsuite/weak_undef_file2.cc: Likewise.
6358 * testsuite/weak_undef_test.cc: Likewise.
6360 2008-04-16 David S. Miller <davem@davemloft.net>
6362 * sparc.cc (Target_sparc::Scan): Change from struct to class.
6363 Add issued_non_pic_error_ field. Declare check_non_pic.
6364 (Target_sparc::Scan::check_non_pic): New function.
6365 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6366 (Target_sparc::Scan::global): Likewise.
6368 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6369 * configure: Rebuild.
6371 * options.h (DEFINE_enable): New macro.
6372 (new_dtags): New enable option.
6373 (initfirst, interpose, loadfltr, nodefaultlib,
6374 nodelete, nodlopen, nodump): New -z options.
6375 * layout.cc (Layout:finish_dynamic_section): If new
6376 dtags enabled, emit DT_RUNPATH. Also, emit a
6377 DT_FLAGS_1 containing any specified -z flags.
6379 2008-04-16 Ian Lance Taylor <iant@google.com>
6381 * copy-relocs.cc: New file.
6382 * copy-relocs.h: New file.
6383 * reloc.cc: Remove Copy_relocs code.
6384 * reloc.h: Likewise.
6385 * reloc-types.h (struct Reloc_types) [both versions]: Add
6386 get_reloc_addend_noerror.
6387 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6388 variants of add_global which take an addend which must be zero.
6389 * i386.cc: Include "copy-relocs.h".
6390 (class Target_i386): Change type of copy_relocs_ to variable,
6392 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6394 (Target_i386::do_finalize_sections): Change handling of
6396 * sparc.cc: Include "copy-relocs.h".
6397 (class Target_sparc): Change type of copy_relocs_ to variable,
6399 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6401 (Target_sparc::do_finalize_sections): Change handling of
6403 * x86_64.cc: Include "copy-relocs.h".
6404 (class Target_x86_64): Change type of copy_relocs_ to variable,
6406 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6407 class. Change all callers.
6408 (Target_x86_64::do_finalize_sections): Change handling of
6410 * Makefile.am (CCFILES): Add copy-relocs.cc.
6411 (HFILES): Add copy-relocs.h.
6413 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6415 * testsuite/script_test_4.sh: Permit leading zeroes.
6417 2008-04-15 Ian Lance Taylor <iant@google.com>
6419 * script-sections.cc (Script_sections::create_segments): Use
6420 header_size_adjustment even when there is enough room for the
6422 * testsuite/script_test_4.sh: New file.
6423 * testsuite/script_test_4.t: New file.
6424 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6425 (check_DATA): Add script_test_4.stdout.
6426 (MOSTLYCLEANFILES): Likewise.
6427 (script_test_4): New target.
6428 (script_test_4.stdout): New target.
6429 * testsuite/Makefile.in: Rebuild.
6431 * sparc.cc: Add definitions for Output_data_plt_sparc class
6434 2008-04-14 David S. Miller <davem@davemloft.net>
6436 * sparc.cc: New file.
6437 * Makefile.am (TARGETSOURCES): Add sparc.cc
6438 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6439 * configure.tgt: Document targ_extra_size and
6440 targ_extra_big_endian. Add entries for sparc-* and
6442 * configure.ac: Handle targ_extra_size and
6443 targ_extra_big_endian.
6444 * Makefile.in: Rebuild.
6445 * configure: Likewise.
6446 * po/POTFILES.in: Likewise.
6447 * po/gold.pot: Likewise.
6449 2008-04-14 Ian Lance Taylor <iant@google.com>
6451 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6452 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6453 in the name/type/flags to section mapping. Don't call
6454 allocate_output_section.
6455 (Layout::choose_output_section): Change parameter from adjust_name
6456 to is_input_section. Don't permit input sections after sections
6457 are attached to segments. Don't call allocate_output_section.
6458 (Layout::layout_eh_frame): Call update_flags_for_input_section,
6459 not write_enable_output_section.
6460 (Layout::make_output_section): Don't push to
6461 unattached_section_list_ nor call attach_to_segment. Call
6462 attach_section_to_segment if sections are attached.
6463 (Layout::attach_sections_to_segments): New function.
6464 (Layout::attach_section_to_segment): New function.
6465 (Layout::attach_allocated_section_to_segment): Rename from
6466 attach_to_segment. Remove flags parameter.
6467 (Layout::allocate_output_section): Remove function.
6468 (Layout::write_enable_output_section): Remove function.
6469 * layout.h (class Layout): Update for above changes. Add new
6470 field sections_are_attached_.
6471 * output.h (Output_section::update_flags_for_input_section): New
6473 * output.cc (Output_section::add_input_section): Call
6474 update_flags_for_input_section.
6475 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6477 2008-04-11 Cary Coutant <ccoutant@google.com>
6479 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6480 thought unnecessary.
6481 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6483 2008-04-11 Ian Lance Taylor <iant@google.com>
6485 * output.h (class Output_section_data): Remove inline definition
6487 * output.cc (Output_section_data::set_addralign): New function.
6489 2008-04-11 Cary Coutant <ccoutant@google.com>
6491 Add support for TLS descriptors for i386 and x86_64.
6492 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6493 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6494 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6496 (Target_i386::got_mod_index_entry): Remove unnecessary code.
6497 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6498 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
6500 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6501 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6502 Fix problem with initial-exec relocations.
6503 (Target_i386::Relocate::relocate_tls): Likewise.
6504 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6506 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6507 support for section-plus-offset dynamic table entries.
6508 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6509 (Output_data_dynamic::Dynamic_entry): Add support for
6510 section-plus-offset dynamic table entries.
6511 (Output_data_dynamic::Classification): Likewise.
6512 (Output_data_dynamic::classification_): Renamed offset_.
6513 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6514 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6515 (Target_x86_64::make_plt_section): New function.
6516 (Target_x86_64::reserve_tlsdesc_entries): New function.
6517 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6518 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6519 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6520 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6521 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6522 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6523 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6524 add extra PLT entry for TLS descriptors.
6525 (Output_data_plt_x86_64::got_): New field.
6526 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6527 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6529 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6531 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6532 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6533 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6534 R_386_TLS_DESC_CALL relocations.
6535 (Target_x86_64::Scan::global): Likewise.
6536 (Target_x86_64::do_finalize_sections): Add dynamic table entries
6537 for TLS descriptors.
6538 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6539 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6540 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6541 GD-to-IE relaxation.
6542 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6543 and TLS_DESCRIPTORS.
6544 * Makefile.in: Rebuild.
6545 * configure: Rebuild.
6546 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6547 (tls_test_shared2.so): New target.
6548 (tls_shared_gd_to_ie_test_SOURCES): New variable.
6549 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6550 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6551 (tls_shared_gd_to_ie_test_LDADD): New variable.
6552 (tls_shared_gnu2_gd_to_ie_test): New target.
6553 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6555 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6556 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6557 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6558 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6559 (tls_shared_gnu2_test): New target.
6560 (tls_test_gnu2_shared.so): New target.
6561 (tls_shared_gnu2_test_SOURCES): New variable.
6562 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6563 (tls_shared_gnu2_test_LDFLAGS): New variable.
6564 (tls_shared_gnu2_test_LDADD): New variable.
6565 * testsuite/Makefile.in: Rebuild.
6566 * testsuite/Makefile.
6568 2008-04-11 Ian Lance Taylor <iant@google.com>
6570 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6572 * testsuite/Makefile.in: Rebuild.
6574 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6576 * testsuite/script_test_2.cc (main): Adjust test.
6578 2008-04-11 David S. Miller <davem@davemloft.net>
6579 Ian Lance Taylor <iant@google.com>
6581 * options.h (General_options): Add entries for '-Y' and
6583 * options.cc (General_options:finalize): If -Y was used, add those
6584 entries to the library path instead of the default "/lib" and
6587 2008-04-11 David S. Miller <davem@davemloft.net>
6589 * testsuite/justsyms.t: Start at 0x100.
6590 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6591 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6593 * testsuite/script_test_2.cc: Adjust string and section length
6596 2008-04-09 Ian Lance Taylor <iant@google.com>
6599 * script-sections.cc (Sections_element::allocate_to_segment): Add
6601 (Output_section_definition::allocate_to_segment): Likewise.
6602 (Orphan_output_section::allocate_to_segment): Likewise.
6603 (Script_sections::attach_sections_using_phdrs_clause): Don't
6604 propagate non-PT_LOAD segments to orphan sections.
6605 * testsuite/Makefile.am (script_test_3.stdout): Generate using
6606 readelf rather than objdump.
6607 * testsuite/script_test_3.sh: Adjust accordingly. Test that
6608 .interp section and PT_INTERP segment are the same size.
6609 * testsuite/Makefile.in: Rebuild.
6611 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6612 aliases for symbols defined in the same object.
6613 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6614 (weak_alias_test_SOURCES): New variable.
6615 (weak_alias_test_DEPENDENCIES): New variable.
6616 (weak_alias_test_LDFLAGS): New variable.
6617 (weak_alias_test_LDADD): New variable.
6618 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6619 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6620 (weak_alias_test_3.o): New target.
6621 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6622 * testsuite/weak_alias_test_main.cc: New file.
6623 * testsuite/weak_alias_test_1.cc: New file.
6624 * testsuite/weak_alias_test_2.cc: New file.
6625 * testsuite/weak_alias_test_3.cc: New file.
6627 2008-04-08 Ian Lance Taylor <iant@google.com>
6629 * options.h (class General_options): Add --noinhibit-exec option.
6630 * main.cc (main): Check --noinhibit-exec.
6632 * options.h (class General_options): Define --wrap as a special
6633 option. Add wrap_symbols_ field.
6634 (General_options::any_wrap_symbols): New function.
6635 (General_options::is_wrap_symbol): New function.
6636 * options.cc (General_options::parse_wrap): New function.
6637 (General_options::General_options): Initialize wrap_symbols_.
6638 * symtab.cc (Symbol_table::wrap_symbol): New function.
6639 (Symbol_table::add_from_object): Handle --wrap.
6640 * symtab.h (class Symbol_table): Declare wrap_symbol.
6641 * target.h (Target::wrap_char): New function.
6642 (Target::Target_info): Add wrap_char field.
6643 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6644 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6645 * testsuite/testfile.cc (Target_test::test_target_info):
6648 * errors.cc (Errors::undefined_symbol): Mention symbol version if
6651 * layout.h (class Layout): Add added_eh_frame_data_ field.
6652 * layout.cc (Layout::Layout): Initialize new field.
6653 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6654 output section until we find a section we merged successfully.
6655 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6656 that the size be non-zero.
6658 * merge.cc (Object_merge_map::get_output_offset): Remove inline
6661 2008-04-08 Craig Silverstein <csilvers@google.com>
6663 * configure.ac: Export new conditional variable HAVE_ZLIB.
6664 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6666 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6667 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6669 2008-04-07 Ian Lance Taylor <iant@google.com>
6671 * version.cc (version_string): Set to "1.5".
6673 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6674 Add issued_non_pic_error_ field. Declare check_non_pic.
6675 (Target_x86_64::Scan::check_non_pic): New function.
6676 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6677 (Target_x86_64::Scan::global): Likewise.
6679 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6680 addend parameter. Change caller. Handle merge sections.
6681 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6682 Address to Addend. Don't add in the result of
6683 local_section_offset, pass down the addend and use the returned
6685 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6686 Update declarations of local_section_offset and symbol_value.
6687 * testsuite/two_file_test_1.cc (t18): New function.
6688 * testsuite/two_file_test_2.cc (f18): New function.
6689 * testsuite/two_file_test_main.cc (main): Call t18.
6690 * testsuite/two_file_test.h (t18, f18): Declare.
6692 * configure.ac: Don't test for objdump, c++filt, or readelf.
6693 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6695 (TEST_READELF): New variable.
6696 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6697 (check_PROGRAMS): Add two_file_strip_test.
6698 (two_file_strip_test): New target.
6699 (check_PROGRAMS): Add two_file_same_shared_strip_test.
6700 (two_file_same_shared_strip_test_SOURCES): New variable.
6701 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6702 (two_file_same_shared_strip_test_LDFLAGS): New variable.
6703 (two_file_same_shared_strip_test_LDADD): New variable.
6704 (two_file_shared_strip.so): New target.
6705 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6706 (ver_test_5.syms, ver_test_7.syms): Likewise.
6707 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6708 (strip_test_3.stdout): Use TEST_OBJDUMP.
6709 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6711 2008-04-04 Cary Coutant <ccoutant@google.com>
6713 * symtab.h (Symbol::is_weak_undefined): New function.
6714 (Symbol::is_strong_undefined): New function.
6715 (Symbol::is_absolute): New function.
6716 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6717 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6719 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6720 (weak_undef_test): New target.
6721 * testsuite/Makefile.in: Rebuild.
6722 * testsuite/weak_undef_file1.cc: New file.
6723 * testsuite/weak_undef_file2.cc: New file.
6724 * testsuite/weak_undef_test.cc: New file.
6726 2008-04-03 Craig Silverstein <csilvers@google.com>
6728 * compressed_output.h (class Output_compressed_section): Use
6730 * compressed_output.cc (zlib_compress): Use unsigned buffers,
6732 (zlib_compressed_suffix): Removed.
6733 (Output_compressed_section::set_final_data_size): Use unsigned
6735 * testsuite/Makefile.am (flagstest_compress_debug_sections):
6736 Fix linker invocation.
6737 (flagstest_o_specialfile_and_compress_debug_sections):
6739 * testsuite/Makefile.in: Regenerated.
6741 2008-04-02 David S. Miller <davem@davemloft.net>
6743 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6744 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6746 2008-04-02 Craig Silverstein <csilvers@google.com>
6750 2008-04-02 Ian Lance Taylor <iant@google.com>
6752 * fileread.cc (File_read::find_view): Add byteshift and vshifted
6753 parameters. Update for new key type to views_. Change all
6755 (File_read::read): Adjust for byteshift in returned view.
6756 (File_read::add_view): New function, broken out of
6758 (File_read::make_view): New function, broken out of
6760 (File_read::find_or_make_view): Add offset and aligned
6761 parameters. Rewrite accordingly. Change all callers.
6762 (File_read::get_view): Add offset and aligned parameters. Adjust
6763 for byteshift in return value.
6764 (File_read::get_lasting_view): Likewise.
6765 * fileread.h (class File_read): Update declarations.
6766 (class File_read::View): Add byteshift_ field. Add byteshift to
6767 constructor. Add byteshift method.
6768 * archive.h (Archive::clear_uncached_views): New function.
6769 (Archive::get_view): Add aligned parameter. Change all callers.
6770 * object.h (Object::get_view): Add aligned parameter. Change all
6772 (Object::get_lasting_view): Likewise.
6774 * fileread.cc (File_read::release): Don't call clear_views if
6775 there are multiple objects.
6776 * fileread.h (File_read::clear_uncached_views): New function.
6777 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6780 2008-03-31 Cary Coutant <ccoutant@google.com>
6782 Add thin archive support.
6783 * archive.cc (Archive::armagt): New const.
6784 (Archive::setup): Remove task parameter and calls to unlock.
6785 (Archive::unlock_nested_archives): New function.
6786 (Archive::read_header): Add nested_off parameter. Change
6788 (Archive::interpret_header): Likewise.
6789 (Archive::include_all_members): Change to handle thin
6791 (Archive::include_member): Likewise.
6792 * archive.h (Archive::Archive): Add new parameters and
6794 (Archive::armagt): New const.
6795 (Archive::setup): Remove task parameter.
6796 (Archive::unlock_nested_archives): New function.
6797 (Archive::read_header): Add nested_off parameter.
6798 (Archive::interpret_header): Likewise.
6799 (Archive::Nested_archive_table): New typedef.
6800 (Archive::is_thin_archive_): New field.
6801 (Archive::nested_archives_): New field.
6802 (Archive::options_): New field.
6803 (Archive::dirpath_): New field.
6804 (Archive::task_): New field.
6805 * readsyms.cc (Read_symbols::do_read_symbols): Add check
6806 for thin archives. Pass additional parameters to
6807 Archive::Archive. Unlock the archive file after calling
6810 2008-03-29 Ian Lance Taylor <iant@google.com>
6812 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6813 version symbol to be local.
6814 * testsuite/ver_test_4.sh: New file.
6815 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6816 (check_DATA): Add ver_test_4.syms.
6817 (ver_test_4.syms): New target.
6818 * testsuite/Makefile.in: Rebuild.
6821 (Output_section::Input_section_sort_entry::has_priority): New
6823 (Output_section::Input_section_sort_entry::match_file_name): New
6825 (Output_section::Input_section_sort_entry::match_section_name):
6827 (Output_section::Input_section_sort_entry::match_section_name_prefix):
6829 (Output_section::Input_section_sort_entry::match_section_file):
6831 (Output_section::Input_section_sort_compare::operator()): Rewrite
6832 using new Input_section_sort_entry functions. Sort crtbegin and
6833 crtend first. Sort sections with no priority before sections with
6835 * testsuite/initpri1.c (d3): Check j != 4.
6836 (cd5): New constructor/destructor function.
6837 (main): Check j != 2.
6839 * symtab.cc (Symbol_table::add_from_object): If we don't use the
6840 new symbol when resolving, don't call set_is_default.
6841 * testsuite/ver_test_7.cc: New file.
6842 * testsuite/ver_test_7.sh: New file.
6843 * testsuite/Makefile.am (ver_test_7.so): New target.
6844 (ver_test_7.o): New target.
6845 (check_SCRIPTS): Add ver_test_7.sh.
6846 (check_DATA): Add ver_test_7.syms.
6847 (ver_test_7.syms): New target.
6849 2008-03-28 Ian Lance Taylor <iant@google.com>
6851 * layout.cc (Layout::layout): If we see an input section with a
6852 name that needs sorting, set the must_sort flag for the output
6854 (Layout::make_output_section): If the name of the output section
6855 indicates that it might require sorting, set the may_sort flag.
6856 * output.h (Output_section::may_sort_attached_input_sections): New
6858 (Output_section::set_may_sort_attached_input_sections): New
6860 (Output_section::must_sort_attached_input_sections): New
6862 (Output_section::set_must_sort_attached_input_sections): New
6864 (class Output_section): Declare Input_section_sort_entry. Define
6865 Input_section_sort_compare. Declare
6866 sort_attached_input_sections. Add new fields:
6867 may_sort_attached_input_sections_,
6868 must_sort_attached_input_sections_,
6869 attached_input_sections_are_sorted_.
6870 * output.cc (Output_section::Output_section): Initialize new
6872 (Output_section::add_input_section): Add an entry to
6873 input_sections_ if may_sort or must_sort are true.
6874 (Output_section::set_final_data_size): Call
6875 sort_attached_input_sections if necessary.
6876 (Output_section::Input_section_sort_entry): Define new class.
6877 (Output_section::Input_section_sort_compare::operator()): New
6879 (Output_section::sort_attached_input_sections): New function.
6880 * configure.ac: Check whether the compiler supports constructor
6881 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
6882 * testsuite/initpri1.c: New file.
6883 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6884 CONSTRUCTOR_PRIORITY.
6885 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6886 (initpri1_LDFLAGS): New variable.
6887 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6889 2008-03-27 Ian Lance Taylor <iant@google.com>
6891 * common.cc (Sort_commons::operator): Correct sorting algorithm.
6892 * testsuite/common_test_1.c: New file.
6893 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6894 (common_test_1_SOURCES): New variable.
6895 (common_test_1_DEPENDENCIES): New variable.
6896 (common_test_1_LDFLAGS): New variable.
6898 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6899 and commons_ correctly when NAME/VERSION does not override
6901 * testsuite/ver_test_6.c: New file.
6902 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6903 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6904 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6906 2008-03-26 Ian Lance Taylor <iant@google.com>
6908 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6909 of an undefined symbol from a version script.
6910 * testsuite/Makefile.am (ver_test_5.so): New target.
6911 (ver_test_5.o): New target.
6912 (check_SCRIPTS): Add ver_test_5.sh.
6913 (check_DATA): Add ver_test_5.syms.
6914 (ver_test_5.syms): New target.
6915 * testsuite/ver_test_5.cc: New file.
6916 * testsuite/ver_test_5.script: New file.
6917 * testsuite/ver_test_5.sh: New file.
6918 * Makefile.in, testsuite/Makefile.in: Rebuild.
6921 Fix problems building gold with gcc 4.3.0.
6922 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6923 (gold_error_at_location, gold_warning_at_location): Use it.
6924 * configure.ac: Check whether we can compile and use a template
6925 function with a printf attribute.
6926 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6927 when jumping over bytes.
6928 * object.cc: Instantiate Object::read_section_data.
6929 * debug.h: Include <cstring>
6930 * dwarf_reader.cc: Include <algorithm>
6931 * main.cc: Include <cstring>.
6932 * options.cc: Include <cstring>.
6933 * output.cc: Include <cstring>.
6934 * script.cc: Include <cstring>.
6935 * script.h: Include <string>.
6936 * symtab.cc: Include <cstring> and <algorithm>.
6937 * target-select.cc: Include <cstring>.
6938 * version.cc: Include <string>.
6939 * testsuite/testmain.cc: Include <cstdlib>.
6940 * configure, config.in: Rebuild.
6942 2008-03-25 Ian Lance Taylor <iant@google.com>
6944 * options.cc: Include "../bfd/bfdver.h".
6945 (options::help): Print bug reporting address.
6947 * version.cc (print_version): Adjust output for current value of
6952 * options.cc (options::help): Print list of supported targets.
6953 * target-select.h: Include <vector>.
6954 (class Target_selector): Make machine_, size_, and is_big_endian_
6955 fields const. Add bfd_name_ and instantiated_target_ fields.
6956 (Target_selector::Target_selector): Add bfd_name parameter.
6957 (Target_selector::recognize): Make non-virtual, call
6959 (Target_selector::recognize_by_name): Make non-virtual, call
6960 do_recognize_by_name.
6961 (Target_selector::supported_names): New function.
6962 (Target_selector::bfd_name): New function.
6963 (Target_selector::do_instantiate_target): New pure virtual
6965 (Target_selector::do_recognize): New virtual function.
6966 (Target_selector::do_recognize_by_name): New virtual function.
6967 (Target_selector::instantiate_target): New private function.
6968 (supported_target_names): Declare.
6969 * target-select.cc (Target_selector::Target_selector): Update for
6970 new parameter and fields.
6971 (select_target_by_name): Check that the name matches before
6972 calling recognize_by_name.
6973 (supported_target_names): New function.
6974 * i386.cc (class Target_selector_i386): Update Target_selector
6975 constructor call. Remove recognize and recognize_by_name. Add
6976 do_instantiate_target.
6977 * x86_64.cc (class Target_selector_x86_64): Likewise.
6978 * testsuite/testfile.cc (class Target_selector_test): Update for
6979 changes to Target_selector.
6981 * README: Rewrite, with some notes on unsupported features.
6983 2008-03-24 Cary Coutant <ccoutant@google.com>
6985 * i386.cc (Target_i386::Got_type): New enum declaration.
6986 (Target_i386::Scan::local): Updated callers of Output_data_got
6988 (Target_i386::Scan::global): Likewise.
6989 (Target_i386::Relocate::relocate): Likewise.
6990 (Target_i386::Relocate::relocate_tls): Likewise.
6991 * object.h (Got_offset_list): New class.
6992 (Sized_relobj::local_has_got_offset): Added got_type parameter.
6993 (Sized_relobj::local_got_offset): Likewise.
6994 (Sized_relobj::set_local_got_offset): Likewise.
6995 (Sized_relobj::local_has_tls_got_offset): Removed.
6996 (Sized_relobj::local_tls_got_offset): Removed.
6997 (Sized_relobj::set_local_tls_got_offset): Removed.
6998 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6999 * output.cc (Output_data_got::add_global): Added got_type parameter.
7000 (Output_data_got::add_global_with_rel): Likewise.
7001 (Output_data_got::add_global_with_rela): Likewise.
7002 (Output_data_got::add_global_pair_with_rel): New function.
7003 (Output_data_got::add_global_pair_with_rela): New function.
7004 (Output_data_got::add_local): Added got_type parameter.
7005 (Output_data_got::add_local_with_rel): Likewise.
7006 (Output_data_got::add_local_with_rela): Likewise.
7007 (Output_data_got::add_local_pair_with_rel): New function.
7008 (Output_data_got::add_local_pair_with_rela): New function.
7009 (Output_data_got::add_global_tls): Removed.
7010 (Output_data_got::add_global_tls_with_rel): Removed.
7011 (Output_data_got::add_global_tls_with_rela): Removed.
7012 (Output_data_got::add_local_tls): Removed.
7013 (Output_data_got::add_local_tls_with_rel): Removed.
7014 (Output_data_got::add_local_tls_with_rela): Removed.
7015 * output.h (Output_data_got::add_global): Added got_type parameter.
7016 (Output_data_got::add_global_with_rel): Likewise.
7017 (Output_data_got::add_global_with_rela): Likewise.
7018 (Output_data_got::add_global_pair_with_rel): New function.
7019 (Output_data_got::add_global_pair_with_rela): New function.
7020 (Output_data_got::add_local): Added got_type parameter.
7021 (Output_data_got::add_local_with_rel): Likewise.
7022 (Output_data_got::add_local_with_rela): Likewise.
7023 (Output_data_got::add_local_pair_with_rel): New function.
7024 (Output_data_got::add_local_pair_with_rela): New function.
7025 (Output_data_got::add_global_tls): Removed.
7026 (Output_data_got::add_global_tls_with_rel): Removed.
7027 (Output_data_got::add_global_tls_with_rela): Removed.
7028 (Output_data_got::add_local_tls): Removed.
7029 (Output_data_got::add_local_tls_with_rel): Removed.
7030 (Output_data_got::add_local_tls_with_rela): Removed.
7031 * resolve.cc (Symbol::override_base_with_special): Removed
7032 reference to has_got_offset_ field.
7033 * symtab.cc (Symbol::init_fields): Replaced initialization
7034 of got_offset_ with got_offsets_. Removed initialization
7036 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7037 (Symbol::got_offset): Likewise.
7038 (Symbol::set_got_offset): Likewise.
7039 (Symbol::has_tls_got_offset): Removed.
7040 (Symbol::tls_got_offset): Removed.
7041 (Symbol::set_tls_got_offset): Removed.
7042 (Symbol::got_offset_): Removed.
7043 (Symbol::tls_mod_got_offset_): Removed.
7044 (Symbol::tls_pair_got_offset_): Removed.
7045 (Symbol::got_offsets_): New field.
7046 (Symbol::has_got_offset): Removed.
7047 (Symbol::has_tls_mod_got_offset): Removed.
7048 (Symbol::has_tls_pair_got_offset): Removed.
7049 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7050 (Target_x86_64::Scan::local): Updated callers of Output_data_got
7052 (Target_x86_64::Scan::global): Likewise.
7053 (Target_x86_64::Relocate::relocate): Likewise.
7054 (Target_x86_64::Relocate::relocate_tls): Likewise.
7056 2008-03-25 Ben Elliston <bje@au.ibm.com>
7058 * yyscript.y: Fix spelling error in comment.
7060 2008-03-24 Ian Lance Taylor <iant@google.com>
7062 * options.h (class General_options): Define build_id option.
7063 * layout.h (class Layout): Declare write_build_id, create_note,
7064 create_build_id. Add build_id_note_ member.
7065 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7066 "libiberty.h", "md5.h", "sha1.h".
7067 (Layout::Layout): Initialize eh_frame_data_,
7068 eh_frame_hdr_section_, and build_id_note_.
7069 (Layout::finalize): Call create_build_id.
7070 (Layout::create_note): New function, broken out of
7071 Layout::create_gold_note.
7072 (Layout::create_gold_note): Call create_note.
7073 (Layout::create_build_id): New function.
7074 (Layout::write_build_id): New function.
7075 (Close_task_runner::run): Call write_build_id.
7077 * x86_64.cc: Correct license to GPLv3.
7079 2008-03-23 Ian Lance Taylor <iant@google.com>
7081 * options.cc: Include "demangle.h".
7082 (parse_optional_string): New function.
7083 (parse_long_option): Handle takes_optional_argument.
7084 (parse_short_option): Update dash_z initializer. Handle
7085 takes_optional_argument.
7086 (General_options::General_options): Initialize do_demangle_.
7087 (General_options::finalize): Set do_demangle_. Handle demangling
7089 * options.h (parse_optional_string): Declare.
7090 (struct One_option): Add optional_arg field. Update constructor.
7091 Update call constructor calls. Add takes_optional_argument
7093 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
7094 (DEFINE_optional_string): Define.
7095 (General_options::demangle): Change from DEFINE_bool to
7096 DEFINE_optional_string.
7097 (General_options::no_demangle): New function.
7098 (General_options::do_demangle): New function.
7099 (General_options::set_do_demangle): New function.
7100 (General_options::execstack_status_): Move definition to end of
7102 (General_options::static_): Likewise.
7103 (General_options::do_demangle_): New field.
7104 * object.cc (big_endian>::get_symbol_location_info): Call
7105 Options::do_demangle, not Options::demangle.
7106 * symtab.cc (demangle): Likewise.
7108 2008-03-22 Ian Lance Taylor <iant@google.com>
7110 * gold.h: Include <cstddef> and <sys/types.h>
7111 * options.h: Include <cstring>.
7113 2008-03-21 Ian Lance Taylor <iant@google.com>
7115 * Added source code to GNU binutils.