1 2010-02-26 Doug Kwan <dougkwan@google.com>
3 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
4 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
5 * testsuite/debug_msg.sh: Avoid matching source line number for
6 use of global variable undef_int.
8 2010-02-26 Doug Kwan <dougkwan@google.com>
10 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
11 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
12 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
13 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
14 * options.cc (General_options::General_options): Initialize member
16 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
17 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
18 and rm_no_fix_v4bx.stdout
19 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
20 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
21 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
22 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
24 * Makefile.in: Regenerate.
25 * testsuite/arm_fix_v4bx.s: New file.
26 * testsuite/arm_fix_v4bx.sh: Ditto.
28 2010-02-24 Doug Kwan <dougkwan@google.com>
30 * arm.cc (Target_arm::got_section): Make the .got section the first
31 non RELRO section in the data segment.
32 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
33 suffixes of section names.
35 2010-02-24 Doug Kwan <dougkwan@google.com>
37 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
38 flags and attributes merging if an input file is a binary file.
39 * fileread.cc (Input_file::open): Record format of original file.
40 * fileread.h (Input_file::Format): New enum type.
41 (Input_file::Input_file): Initialize data member format_.
42 (Input_file::format): New method definition.
43 (Input_file::format_):: New data member.
45 2010-02-24 Doug Kwan <dougkwan@google.com>
47 * arm.cc (Arm_output_data_got): New class.
48 (ARM_TCB_SIZE): New constant
49 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
50 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
51 If user uses a script with a SECTIONS clause, issue only a warning
52 for a misplaced EXIDX input section. Otherwise, issue an error.
53 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
55 (Target_arm::got_mode_index_entry): Handle static linking.
56 (Target_arm::Scan::local): Ditto.
57 (Target_arm::Scan::global): Ditto.
58 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
59 all incorrectly implemented relocations.
60 (Target_arm::fix_exidx_coverage): Pass layout to
61 Arm_output_section::fix_exidx_coverage.
62 * layout.cc (Layout::section_name_mapping): Remove trailing dots
63 from ".ARM.exidx." and ".ARM.extab.".
65 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
67 * arm.cc (Target_arm::do_finalize_sections): Create attribute
68 section if it does not already exist.
69 * attributes.cc (Attributes_section_data::Attributes_section_data):
70 Don't crash if size is zero.
72 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
73 Ian Lance Taylor <iant@google.com>
75 * gold.cc (queue_middle_tasks): If no input files were opened,
77 * workqueue.h (Task_function::Task_function): Assert that there is
80 2010-02-22 Doug Kwan <dougkwan@google.com>
82 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
83 * icf.cc (get_section_contents): Cast snprintf arguments to long long
84 types to avoid warnings due to different uint64_t implementations
87 2010-02-21 Doug Kwan <dougkwan@google.com>
89 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
90 handling of the maximum backward branch offset.
91 (Arm_relocate_functions::thumb_branch_common): Ditto.
92 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
93 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
94 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
95 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
96 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
97 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
98 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
99 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
100 thumb_bl_out_of_range thumb_bl_out_of_range.o,
101 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
102 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
103 thumb2_bl_out_of_range.o): New rules.
104 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
105 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
106 thumb2_bl_out_of_range
107 * testsuite/Makefile.in: Regenerate.
108 * testsuite/arm_bl_in_range.s: New file.
109 * testsuite/arm_bl_out_of_range.s: Ditto.
110 * testsuite/arm_branch_in_range.sh: Ditto.
111 * testsuite/arm_branch_range.t: Ditto.
112 * testsuite/thumb2_branch_range.t: Ditto.
113 * testsuite/thumb_bl_in_range.s: Ditto.
114 * testsuite/thumb_bl_out_of_range.s: Ditto.
115 * testsuite/thumb_branch_range.t: Ditto.
117 2010-02-20 Sriraman Tallam <tmsriram@google.com>
119 * gc.h (gc_process_relocs): Change vectors to point to the new list.
120 Add reloc offset information.
121 * icf.cc (get_section_contents): Change iterators to point to the new
122 vectors. Add reloc offset information to the contents.
123 * icf.h (Icf::Sections_reachable_info): New typedef.
124 (Icf::Sections_reachable_list): New typedef.
125 (Icf::Offset_info): New typedef.
126 (Icf::Reloc_info): New struct typedef.
127 (Icf::Reloc_info_list): New typedef.
128 (Icf::symbol_reloc_list): Delete method.
129 (Icf::addend_reloc_list): Delete method.
130 (Icf::section_reloc_list): Delete method.
131 (Icf::reloc_info_list): New method.
132 (Icf::reloc_info_list_): New member.
134 2010-02-19 Doug Kwan <dougkwan@google.com>
136 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
137 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
138 * arm.cc (Arm_relocation_functions): New forward declaration.
139 (Target_arm::Target_arm): Initialize new data members
140 got_mod_index_offset_ and tls_base_symbol_defined_.
141 (Target_arm::Relocate::relocate_tls): New method.
142 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
143 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
145 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
146 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
147 (Target_arm::got_mod_index_offset_,
148 Target_arm::tls_base_symbol_defined_): New data members.
149 (Target_arm::Scan::local, Target::Scan::global,
150 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
153 2010-02-18 Doug Kwan <dougkwan@google.com>
155 * arm.cc (Arm_relobj::find_linked_text_section): New method.
156 (Arm_relobj::make_exidx_input_section): Pass section index of linked
157 text section as a parameter becuase some broken tools may not set
158 the link in section header.
159 (Target_arm::has_got_section): New method.
160 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
161 without any mapping symbol as data only. Remove warning.
162 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
163 link in its section header, try to discover the link by inspecting the
164 REL31 relocation at the beginning of the section.
165 (Target_arm::Scan::check_non_pic): Report name of offending relocation
167 (Target_arm::Scan::global): Treat any reference to the symbol
168 _GLOBAL_OFFSET_TABLE_ as a GOT access.
170 2010-02-12 Sriraman Tallam <tmsriram@google.com>
172 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
173 (Scan::global_reloc_may_be_function_pointer): New function.
174 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
175 (Scan::global_reloc_may_be_function_pointer): New function.
176 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
177 (Scan::global_reloc_may_be_function_pointer): New function.
178 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
179 (Scan::global_reloc_may_be_function_pointer): New function.
180 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
181 (Scan::global_reloc_may_be_function_pointer): New function.
182 (Scan::possible_function_pointer_reloc): New function.
183 (Target_x86_64::can_check_for_function_pointers): New function.
184 * gc.h (gc_process_relocs): Scan relocation types to determine if
185 function pointers were taken for targets that support it.
186 * icf.cc (Icf::find_identical_sections): Include functions for
187 folding in safe ICF whose pointer is not taken.
188 * icf.h (Secn_fptr_taken_set): New typedef.
189 (fptr_section_id_): New member.
190 (section_has_function_pointers): New function.
191 (set_section_has_function_pointers): New function.
192 (check_section_for_function_pointers): New function.
193 * options.h: Fix comment for safe ICF option.
194 * target.h (can_check_for_function_pointers): New function.
195 * testsuite/Makefile.am: Add icf_safe_so_test test case.
196 Modify icf_safe_test for X86-64.
197 * testsuite/Makefile.in: Regenerate.
198 * testsuite/icf_safe_so_test.cc: New file.
199 * testsuite/icf_safe_so_test.sh: New file.
200 * testsuite/icf_safe_test.cc (kept_func_3): New function.
201 (main): Change to take pointer to function kept_func_3.
202 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
203 folding is done correctly for X86-64.
205 2010-02-12 David S. Miller <davem@davemloft.net>
207 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
208 is_symbolless parameter.
209 (Output_reloc<SHT_REL>::is_symbolless): New.
210 (Output_reloc<SHT_REL>::is_symbolless_): New.
211 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
212 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
213 (Output_reloc<SHT_RELA>::is_symbolless): New.
214 (Output_data_reloc::add_global): Handle is_symbolless.
215 (Output_data_reloc::add_global_relative): Likewise.
216 (Output_data_reloc::add_local): Likewise.
217 (Output_data_reloc::add_local_relative): Likewise.
218 (Output_data_reloc::add_symbolless_global_addend): New.
219 (Output_data_reloc::add_symbolless_local_addend): New.
220 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
222 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
223 instead of ->is_relative_
224 (Output_reloc::write): Likewise.
225 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
226 (Output_reloc::write_rel): Simplify.
228 * sparc.cc (Target_sparc::Scan::local): Use
229 ->add_symbolless_local_addend as needed.
230 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
231 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
232 based upon relocation offset.
234 2010-02-11 Doug Kwan <dougkwan@google.com>
236 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
237 (Target_arm::Scan::global): Ditto. Also remove a comment before the
238 beginning of function.
239 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
240 and MOVT_ABS relocations. Those are non issued in scanning. Fix
241 parameter is_32bit in calls to should_apply_static_reloc.
242 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
243 (check_DATA): Add arm_abs_global.stdout.
244 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
245 arm_abs_global.stdout): New rules.
246 (MOSTLLYCLEANFILES): Add arm_abs_global
247 * Makefile.in: Regenerate.
248 * testsuite/arm_abs_global.s: New file.
249 * testsuite/arm_abs_global.sh: Ditto.
250 * testsuite/arm_abs_lib.s: Ditto.
252 2010-02-11 Ian Lance Taylor <iant@google.com>
254 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
256 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
257 Allocate_commons_task first.
258 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
259 task, rather than symtab_lock_.
260 (Gc_process_relocs::~Gc_process_relocs): New function.
261 (Gc_process_relocs::is_runnable): Check this_blocker_.
262 (Gc_process_relocs::locks): Use next_blocker_ rather than
264 (Scan_relocs::~Scan_relocs): New function.
265 (Scan_relocs::is_runnable): Check this_blocker_ rather than
267 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
269 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
270 fields. Add this_blocker_ and next_blocker_ fields. Adjust
271 constructor accordingly.
272 (class Gc_process_relocs): Likewise.
273 (class Scan_relocs): Likewise.
274 * common.h (class Allocate_commons_task): Remove symtab_lock_
275 field, and corresponding constructor parameter.
276 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
278 (Allocate_commons_task::locks): Likewise.
280 2010-02-11 Ian Lance Taylor <iant@google.com>
282 * gold-threads.h (class Once): Define.
283 (class Initialize_lock): Rewrite as child of Once.
284 * gold-threads.cc (class Once_initialize): Define.
285 (once_pointer_control): New static variable.
286 (once_pointer, once_arg): New static variables.
287 (c_run_once): New static function.
288 (Once::Once, Once::run_once, Once::internal_run): New functions.
289 (class Initialize_lock_once): Remove.
290 (initialize_lock_control): Remove.
291 (initialize_lock_pointer): Remove.
292 (initialize_lock_once): Remove.
293 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
294 (Initialize_lock::initialize): Rewrite.
295 (Initialize_lock::do_run_once): New function.
296 * archive.cc (Archive::interpret_header): Only clear name if it is
298 * fileread.cc: Include "gold-threads.h"
299 (file_counts_lock): New static variable.
300 (file_counts_initialize_lock): Likewise.
301 (File_read::release): Only increment counts when using --stats.
302 Use a lock around the increment.
303 * parameters.cc (class Set_parameters_target_once): Define.
304 (set_parameters_target_once): New static variable.
305 (Parameters::Parameters): Move here from parameters.h.
306 (Parameters::set_target): Rewrite.
307 (Parameters::set_target_once): New function.
308 (Parameters::clear_target): Move here and rewrite.
309 * parameters.h (class Parameters): Update declarations. Add
310 set_parameters_target_once_ field.
311 (Parameters::Parameters): Move to parameters.cc.
312 (Parameters::clear_target): Likewise.
313 * readsyms.cc (Read_symbols::do_group): Create a Start_group
315 (Start_group::~Start_group): New function.
316 (Start_group::is_runnable): New function.
317 (Start_group::locks, Start_group::run): New functions.
318 (Finish_group::run): Change saw_undefined to size_t.
319 * readsyms.h (class Start_group): Define.
320 (class Finish_group): Change saw_undefined_ field to size_t.
321 (Finish_group::Finish_group): Remove saw_undefined and
322 this_blocker parameters. Change all callers.
323 (Finish_group::set_saw_undefined): New function.
324 (Finish_group::set_blocker): New function.
325 * symtab.h (class Symbol_table): Change saw_undefined to return
326 size_t. Change saw_undefined_ field to size_t.
327 * target-select.cc (Set_target_once::do_run_once): New function.
328 (Target_selector::Target_selector): Initialize set_target_once_
329 field. Don't initialize lock_ and initialize_lock_ fields.
330 (Target_selector::instantiate_target): Rewrite.
331 (Target_selector::set_target): New function.
332 * target-select.h (class Set_target_once): Define.
333 (class Target_selector): Update declarations. Make
334 Set_target_once a friend. Remove lock_ and initialize_lock_
335 fields. Add set_target_once_ field.
337 2010-02-10 Ian Lance Taylor <iant@google.com>
339 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
341 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
342 (queue_middle_tasks): Add all blockers before queueing any tasks.
343 (queue_final_tasks): Likewise.
344 * token.h (Task_token::add_blockers): New function.
345 * object.h (Input_objects::number_of_relobjs): New function.
347 2010-02-10 Ian Lance Taylor <iant@google.com>
349 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
350 shared, not if not position independent.
351 * x86_64.cc (Relocate::relocate_tls): Likewise.
352 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
353 (tls_pie_pic_test): New target.
354 * testsuite/Makefile.in: Rebuild.
356 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
357 (tls_test_main_pie.o, tls_test_pie.o): New targets.
358 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
359 * testsuite/Makefile.in: Rebuild.
361 2010-02-09 David S. Miller <davem@davemloft.net>
363 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
364 R_SPARC_RELATIVE using ->add_local_relative().
365 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
367 * output.h (Output_data_dynamic::add_section_size): New method
368 that takes two Output_data objects.
369 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
370 entry param. Handle it in initializers.
371 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
372 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
373 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
375 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
376 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
377 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
378 for dynrel_includes_plt.
379 * i386.cc (Target_i386::do_finalize_sections): Likewise.
380 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
381 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
383 (Target_sparc::do_finalize_sections): Update to pass true for
385 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
386 output before .rela.plt
387 (Target_powerpc::do_finalize_sections): Update to pass true for
388 dynrel_includes_plt when 32-bit.
390 2010-02-08 Doug Kwan <dougkwan@google.com>
392 * arm.cc (Arm_relobj::simple_input_section_output_address): New
394 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
395 Arm_relobj::scan_section_for_cortex_a8_stubs,
396 Arm_relobj::do_relocation_section): Instead of calling
397 Output_section::output_address, use faster
398 Arm_relobj::simple_input_section_output_address.
400 2010-02-08 David S. Miller <davem@davemloft.net>
402 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
403 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
404 relocation helper function.
406 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
407 just like R_SPARC_GOT{10,13,22}.
408 (Target_sparc::Scan::local): Likewise.
409 (Target_sparc::Relocate:relocate): Likewise.
411 2010-02-06 Ian Lance Taylor <iant@google.com>
413 * configure.ac: Rewrite targetobjs duplicate removal code to use
414 only shell constructs.
415 * configure: Rebuild.
417 2010-02-05 Doug Kwan <dougkwan@google.com>
420 * arm.cc (Arm_relobj::section_is_scannable): New method.
421 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
422 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
424 2010-02-04 Doug Kwan <dougkwan@google.com>
427 * arm-reloc-property.cc (cstdio): Include.
428 * configure.ac (targetobjs): Remove duplicates.
429 * configure: Regenerate.
430 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
431 big and little endian version for a given address size.
433 2010-02-03 Doug Kwan <dougkwan@google.com>
435 * arm-reloc-property.cc
436 (Arm_reloc_property_table::reloc_name_in_error_message): New method
438 * arm-reloc-property.h
439 (Arm_reloc_property_table::get_implemented_static_reloc_property):
440 New method definition.
441 (Arm_reloc_property_table::reloc_name_in_error_message): New method
443 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
445 (GOT_PREL): Change implemented to Y.
446 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
447 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
448 (Arm_relocate_functions::movw_abs_nc): Remove method.
449 (Arm_relocate_functions::movt_abs): Ditto.
450 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
451 (Arm_relocate_functions::thm_movt_abs): Ditto.
452 (Arm_relocate_functions::movw_rel_nc): Ditto.
453 (Arm_relocate_functions::movw_rel): Ditto.
454 (Arm_relocate_functions::movt_rel): Ditto.
455 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
456 (Arm_relocate_functions:thm_movw_rel): Ditto.
457 (Arm_relocate_functions:thm_movt_rel): Ditto.
458 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
459 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
460 New method definitions.
461 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
462 (Arm_relocation_functions::arm_grp_ldr): Ditto.
463 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
464 (Arm_relocation_functions::arm_grp_ldc): Ditto.
465 (Target_arm::Relocate::relocate): Check for non-static or
466 unimplemented relocation code and exit early. Change calls to
467 Target_arm::reloc_uses_thumb_bit and
468 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
469 instead. Refactor code to handle similar relocations to increase
470 code sharing. Remove check for unsupported relocation code in switch
472 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
473 relocation property table to find out size. Change error message to
474 print out the name of a relocation code instead of the numeric value.
475 (Target_arm::scan_reloc_for_stub): Use relocation property table
476 instead of calling Target_arm::reloc_uses_thumb_bit().
478 2010-02-02 Doug Kwan <dougkwan@google.com>
480 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
481 types of relaxed input section.
483 2010-02-02 Doug Kwan <dougkwan@google.com>
485 * Makefile.am (HFILES): Add arm-reloc-property.h.
487 (TARGETSOURCES): Add arm-reloc-property.cc
488 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
489 (libgold_a_SOURCES): $(DEFFILES)
490 * Makefile.in: Regenerate.
491 * arm-reloc-property.cc: New file.
492 * arm-reloc-property.h: New file.
493 * arm-reloc.def: New file.
494 * arm.cc: Update comments.
495 (arm-reloc-property.h): New included header.
496 (arm_reloc_property_table): New global variable.
497 (Target_arm::do_select_as_default_target): New method definition.
498 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
499 arm-reloc-property to targ_extra_obj.
500 * parameters.cc (set_parameters_target): Call
501 Target::select_as_default_target().
502 * target.h (Target::select_as_default_target): New method definition.
503 (Target::do_select_as_default_target): Same.
505 2010-02-01 Doug Kwan <dougkwan@google.com>
507 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
508 first_output_text_section_.
509 (Arm_exidx_fixup::first_output_text_section): New method definition.
510 (Arm_exidx_fixup::first_output_text_section_): New data member.
511 (Arm_exidx_fixup::process_exidx_section): Record the first text
513 (Arm_output_section::fix_exidx_coverage): Set correct linked section
514 and entsize in output section header.
516 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
518 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
519 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
520 (Arm_relocate_functions::thm_alu11): New Method.
521 (Arm_relocate_functions::thm_pc8): New Method.
522 (Arm_relocate_functions::thm_pc12): New Method.
523 (Target_arm::Scan::local): Handle the relocations.
524 (Target_arm::Scan::global): Likewise.
525 (Target_arm::Relocate::relocate): Likewise.
526 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
528 2010-01-29 Doug Kwan <dougkwan@google.com>
530 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
531 of relocation types as ld.
533 2010-01-29 Doug Kwan <dougkwan@google.com>
535 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
537 (Arm_relocate_functions::thumb_branch_common): Ditto.
538 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
539 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
540 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
541 Arm_relocate_functions::jump24): Remove.
542 (Target_arm::Relocate::relocate): Adjust code to call
543 Arm_relocation_functions::arm_branch_common and
544 Arm_relocation_functions::thumb_branch_common instead of their removed
545 wrappers. Merge switch-cases together to reduce source code size.
547 2010-01-29 Doug Kwan <dougkwan@google.com>
549 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
550 output_local_symbol_count_needs_update_.
551 (Arm_relobj::output_local_symbol_count_needs_update,
552 Arm_relobj::set_output_local_symbol_count_needs_update,
553 Arm_relobj::update_output_local_symbol_count): New methods.
554 (Arm_relobj::output_local_symbol_count_needs_update_): New data
556 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
557 of pointed function as in a R_ARM_PREL31 relocation.
558 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
559 for output local symbol count updating.
560 (Target_arm::do_relax): Update output local symbol counts in objects
562 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
564 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
566 * arm.cc: Added support for the ARM relocations:
567 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
568 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
569 (Arm_relocate_functions::movw_rel_nc): Renamed (was
571 (Arm_relocate_functions::movw_rel): New method.
572 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
573 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
575 (Arm_relocate_functions::thm_movw_rel): New method.
576 (Arm_relocate_functions::thm_movt_rel): Renamed (was
578 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
580 (Target_arm::Scan::global): Likewise.
581 (Target_arm::Relocate::relocate): Likewise.
582 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
585 2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
587 * arm.cc: Added support for ARM group relocations.
588 (Target_arm::reloc_needs_sym_origin): New method.
589 (Arm_relocate_functions::calc_grp_kn): New method.
590 (Arm_relocate_functions::calc_grp_residual): New method.
591 (Arm_relocate_functions::calc_grp_gn): New method.
592 (Arm_relocate_functions::arm_grp_alu): New Method.
593 (Arm_relocate_functions::arm_grp_ldr): New Method.
594 (Arm_relocate_functions::arm_grp_ldrs): New Method.
595 (Arm_relocate_functions::arm_grp_ldc): New Method.
596 (Target_arm::Scan::local): Handle the ARM group relocations.
597 (Target_arm::Scan::global): Likewise.
598 (Target_arm::Relocate::relocate): Likewise.
599 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
602 2010-01-26 Doug Kwan <dougkwan@google.com>
604 * arm.cc (set): Include.
605 (class Arm_exidx_fixup): Change type of last_input_section_ to const
607 (Arm_output_section::Text_section_list): New type.
608 (Arm_output_section::append_text_sections_to_list): New method.
609 (Arm_output_section::fix_exidx_coverage): Ditto.
610 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
611 (Arm_relobj::convert_input_section_to_relaxed_section): Use
612 Relobj::set_section_offset() instead of
613 Sized_relobj::invalidate_section_offset().
614 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
615 parameter for section headers. Ignore relocation sections for
616 unallocated sections and EXIDX sections.
617 (Target_arm::fix_exidx_coverage): New method.
618 (Target_arm::output_section_address_less_than): New type.
619 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
620 linked text section instead of the EXIDX section.
621 (Arm_output_section::create_stub_group): Add an assertion to check
622 that this is not an EXIDX output section.
623 (Arm_output_section::append_text_sections_to_list): New method.
624 (Arm_output_section::fix_exidx_coverage): Ditto.
625 (Arm_relobj::scan_sections_for_stubs): Adjust call to
626 Arm_relobj::section_needs_reloc_stub_scanning.
627 (Target_arm::do_relax): Fix EXIDX output section coverage in the
629 (Target_arm::fix_exidx_coverage): New method.
630 * object.h (Relobj::set_output_section): New method.
631 (Sized_relobj::invalidate_section_offset): Remove method.
632 (Sized_relobj::do_invalidate_section_offset): Remove method.
633 (Sized_relobj::do_set_section_offset): Handle offset value -1.
635 2010-01-25 Doug Kwan <dougkwan@google.com>
637 * arm.cc (Arm_exidx_merged_section::do_output_offset):
638 Fix warning due to signed and unsigned comparison on a 32-bit host.
640 2010-01-22 Doug Kwan <dougkwan@google.com>
642 * arm.cc (Target_arm::do_relax): Record an output section for section
643 offset adjustment it contains any stub table that has changed.
644 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
645 offsets in an output section if necessary.
646 * output.cc (Output_section::Output_section): Initialize
647 section_offsets_need_adjustments_.
648 (Output_section::add_input_section_for_script): Renamed to
649 Output_section::add_simple_input_section.
650 (Output_section::save_states): Add a comment.
651 (Output_section::discard_states): New method defintion.
652 (Output_section::adjust_section_offsets): Same.
653 * output.h (Output_section::add_input_section_for_script): Renamed to
654 Output_section::add_simple_input_section.
655 (Output_section::discard_states): New method declaration.
656 (Output_section::adjust_section_offsets): Same.
657 (Output_section::section_offsets_need_adjustment,
658 Output_section::set_section_offsets_need_adjustment): New method
660 (Output_section::section_offsets_need_adjustment_): New data member.
662 (Output_section_element_input::set_section_address): Adjust code for
663 renaming of Output_section::add_input_section_for_script.
664 (Orphan_output_section::set_section_address): Same.
666 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
668 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
669 Fix_v4bx enum values .
670 * gold/options.h (General_options): New option definitions.
671 (General_options::fix_v4bx): New method.
672 (General_options::Fix_v4bx): New enum.
673 * gold/options.cc (General_options::parse_fix_v4bx): New method.
674 (General_options::parse_fix_v4bx_interworking): New method.
676 2010-01-22 Doug Kwan <dougkwan@google.com>
678 * arm.cc (Arm_exidx_fixup): New class.
680 2010-01-21 Doug Kwan <dougkwan@google.com>
682 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
684 (Arm_exidx_section_offset_map): New type.
686 2010-01-21 Doug Kwan <dougkwan@google.com>
688 * arm.cc (Arm_exidx_input_section): New class.
689 (Arm_relobj::exidx_input_section_by_link,
690 Arm_relobj::exidx_input_section_by_shndx,
691 Arm_relobj::make_exidx_input_section): New methods.
692 (read_arm_attributes_section): Remove.
693 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
694 information about them.
695 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
698 2010-01-20 Doug Kwan <dougkwan@google.com>
700 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
701 Input_section_specifier to Section_id.
702 (Target_arm::new_arm_input_section: Adjust code for change of key
704 (Target_arm::find_arm_input_section): Ditto.
705 * gc.h (object.h): Include for Section_id nand Section_id_hash.
706 (Section_id): Remove.
707 (Garbage_collection::Section_id_hash): Remove.
708 * icf.h (object.h): Include for Section_id nand Section_id_hash.
709 (Section_id): Remove.
710 (Icf::Section_id_hash): Remove.
711 * object.h (Section_id, Const_section_id, Section_id_hash,
712 Const_section_id_hash): New type definitions.
713 * output.cc (Output_section::add_relaxed_input_section): Change to
714 use Const_section_id instead of Input_section_specifier as key type.
715 (Output_section::add_merge_input_section): Ditto.
716 (Output_section::build_relaxation_map): Change to use Section_id
717 instead of Input_section_specifier as key type.
718 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
720 (Output_section::convert_input_sections_to_relaxed_sections): Change
721 to use Const_section_id instead of Input_section_specifier as key type.
722 (Output_section::find_merge_section): Ditto.
723 (Output_section::find_relaxed_input_section): Ditto.
724 * output.h (Input_section_specifier): Remove class.
725 (Output_section::Output_section_data_by_input_section_map): Change
726 key type to Const_section_id.
727 (Output_section::Output_relaxed_input_section_by_input_section_map):
729 (Output_section::Relaxation_map): Change key type to Section_id.
731 2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
733 * gold/arm.cc: Added support for R_ARM_V4BX relocation
734 (class Arm_v4bx_stub): New class.
735 (DEF_STUBS): Updated definition to support v4_veneer_bx.
736 (Stub_factory::make_arm_v4bx_stub): New method.
737 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
738 (Stub_table::empty): Handle v4bx stubs.
739 (Stub_table::add_arm_v4bx_stub): New method.
740 (Stub_table::find_arm_v4bx_stub): New method.
741 (Arm_relocate_functions::v4bx): New method.
742 (Target_arm::fix_v4bx): New method.
743 (Target_arm::Target_arm): Handle R_ARM_V4BX.
744 (Stub_table::relocate_stubs): Likewise.
745 (Stub_table::do_write): Likewise.
746 (Stub_table::update_data_size_and_addralign): Likewise.
747 (Stub_table::finalize_stubs): Likewise.
748 (Target_arm::Scan::local): Likewise.
749 (Target_arm::Scan::global): Likewise.
750 (Target_arm::do_finalize_sections): Likewise.
751 (Target_arm::Relocate::relocate): Likewise.
752 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
754 (Target_arm::scan_reloc_for_stub): Likewise.
755 (Target_arm::scan_reloc_section_for_stubs): Likewise.
757 2010-01-19 Ian Lance Taylor <iant@google.com>
759 * output.cc (Output_section_headers::do_sized_write): Write large
760 segment count to sh_info field.
761 (Output_file_header::do_sized_write): For large segment count,
762 write PN_XNUM to e_phnum field.
764 2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
766 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
767 (Arm_relocate_functions::thm_jump8): New function.
768 (Arm_relocate_functions::thm_jump11): New function.
769 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
771 (Target_arm::Scan::global): Likewise.
772 (Target_arm::Relocate::relocate): Likewise.
773 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
776 2010-01-14 Doug Kwan <dougkwan@google.com>
778 * arm.cc (map, utility): Include headers.
779 (Target_arm::apply_cortex_a8_workaround): New method.
780 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
781 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
782 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
783 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
784 the --[no-]fix-cortex-a8 command line options.
785 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
786 (Target_arm::relocate_stub): Use addend in instruction template.
787 * options.h (DEFINE_bool): Set the user-set flag.
788 (General_options): Add --[no-]-fix-cortex options.
789 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
790 : Update fast look-up map after conversion.
792 2010-01-14 Sriraman Tallam <tmsriram@google.com>
794 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
795 in the first pass of do_layout.
797 2010-01-13 Doug Kwan <dougkwan@google.com>
799 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
800 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
801 apparent compiler problem of not folding static constant integral
802 data members of elfcpp::Elf_sizes<32>.
804 2010-01-13 Doug Kwan <dougkwan@google.com>
806 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
807 Arm_relobj::section_needs_cortex_a8_stub_scanning,
808 Arm_relobj::scan_section_for_cortex_a8_erratum,
809 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
810 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
811 sections to scan for relocation stubs into a new method
812 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
813 relocation and Cortex-A8 stub scanning.
814 (Target_arm::do_relax): Force stubs to be after stubbed sections
815 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
816 the beginning of a new relaxation pass. Update a comment.
817 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
819 2010-01-12 Ian Lance Taylor <iant@google.com>
821 * target-reloc.h (visibility_error): New inline function.
822 (relocate_section): Call visibility_error.
823 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
824 (MOSTLYCLEANFILES): Likewise.
825 (protected_4_pic.o, protected_3.err): New targets.
826 * testsuite/protected_4.cc: New file.
828 2010-01-12 Doug Kwan <dougkwan@google.com>
830 * arm.cc (Cortex_a8_reloc): New class.
831 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
832 and cortex_a8_relocs_info_.
833 (Target_arm::fix_cortex_a8): New method definition.
834 (Target_arm::Cortex_a8_relocs_info): New type.
835 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
836 New data member declarations.
837 (Target_arm::scan_reloc_for_stub): Record information about
838 relocations for THUMB branches that might be exempted from the
839 Cortex-A8 workaround.
840 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
841 at the beginning of a relaxation pass.
843 2010-01-12 Doug Kwan <dougkwan@google.com>
845 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
846 (Arm_relobj::Mapping_symbol_position,
847 Arm_reloj::Mapping_symbol_position_less,
848 Arm_relobj::Mapping_symbols_info): New types.
849 (Target_arm::is_mapping_symbol_name): New method definition.
850 (Arm_relobj::do_count_local_symbols): Save information about mapping
853 2010-01-11 Doug Kwan <dougkwan@google.com>
855 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
856 Arm_relocate_functions::thumb32_branch_upper,
857 Arm_relocate_functions::thumb32_branch_lower,
858 Arm_relocate_functions::thumb32_cond_branch_offset,
859 Arm_relocate_functions::thumb32_cond_branch_upper,
860 Arm_relocate_functions::thumb32_cond_branch_lower,
861 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
862 branch offset encoding.
863 (Arm_relocate_functions::thumb_branch_common): Use new branch
864 offset encoding methods to avoid code duplication.
865 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
866 (Stub_addend_reader::operator()): Use new branch encoding method
867 to avoid code duplication.
869 2010-01-11 Doug Kwan <dougkwan@google.com>
871 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
872 (Target_arm::do_finalize_sections): Define special EXIDX section
873 symbols only if referenced.
874 * gc.h (Garbage_collection::add_reference): New method.
875 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
878 2010-01-11 Ian Lance Taylor <iant@google.com>
880 * script.cc (Version_script_info::build_expression_list_lookup):
881 Change complaing about duplicate wildcard match from error to
884 * script.cc (class Lazy_demangler): Recreate--revert part of patch
886 (Version_script_info::Version_script_info): Initialize globs_,
887 default_version_, default_is_global_, and exact_. Don't
888 initialize globals_ or locals_.
889 (Version_script_info::build_lookup_tables): Build local symbols
891 (Version_script_info::unquote): New function.
892 (Version_script_info::add_exact_match): New function.
893 (Version_script_info::build_expression_list_lookup): Remove lookup
894 parameter. Add is_global parameter. Change all callers. Handle
895 wildcard pattern specially. Unquote pattern. Call
897 (Version_script_info::get_name_to_match): New function.
898 (Version_script_info::get_symbol_version): New function.
899 (Version_script_info::get_symbol_version_helper): Remove.
900 (Version_script_info::check_unmatched_names): Call unquote.
901 * script.h (class Version_script_info): Change get_symbol_version
902 to be non-inline and add is_global parameter; change all callers.
903 Rewrite symbol_is_local. Update declarations. Define struct
904 Version_tree_match, Exact, Globs. Don't define struct Lookup.
905 Remove globals_ and locals_ members. Add exact_, globs_,
906 default_version_, is_global_.
907 (Version_script_info::Glob): Remove pattern, add expression and
908 is_global. Update constructor. Change all callers.
909 * dynobj.cc (Versions::finalize): Mark the version symbol as the
911 (Versions::symbol_section_contents): If a symbol is undefined, or
912 defined in a dynamic object, set the version index to
914 * symtab.cc (Symbol_table::add_from_relobj): Don't call
916 (Symbol_table::add_from_pluginobj): Likewise.
917 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
919 2010-01-11 Doug Kwan <dougkwan@google.com>
921 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
922 (incremental_dump_LDADD): Add linking option for libintl.
923 * Makefile.in: Regenerate.
925 2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
928 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
930 * testsuite/Makefile.in: Regenerated.
932 2010-01-10 Doug Kwan <dougkwan@google.com>
934 * options.h (DEFINE_var): Use parentheses around argument varname__
935 in macro body to avoid any unintended subsequent substitutions.
937 2010-01-10 Ian Lance Taylor <iant@google.com>
939 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
940 candidates before doing symbol resolution.
942 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
943 ODR candidates if only one is weak.
945 2010-01-08 Ian Lance Taylor <iant@google.com>
947 * script.cc (Version_script_info::build_expression_list_lookup):
948 Don't warn about ambiguous version, just record the ambiguity.
949 (Version_script_info::get_symbol_version_helper): Give error if
950 version is ambiguous.
952 2010-01-08 Doug Kwan <dougkwan@google.com>
954 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
955 prev_data_size_ and prev_addralign_. Remove initializer for
956 deleted data member has_been_changed_.
957 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
958 to determine if the table is empty.
959 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
961 (Stub_table::add_reloc_stub): Define method in class definition
962 instead of just declaring it there.
963 (Stub_table::add_cortex_a8_stub): New method definition.
964 (Stub_table::update_data_size_and_addralign): Ditto.
965 (Stub_table::finalize_stubs): Ditto.
966 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
967 (Stub_table::do_addralign_): Return address alignment in the
968 (Stub_table::do_reset_address_and_file_offset): Define method in
969 class definition instead of declaring it there. Set current data
970 size to be the data size of the previous pass.
971 (Stub_table::set_final_data_size): Use current data size as the
973 (Stub_table::relocate_stub): Change parameter type of stub from
974 Reloc_stub pointer to Stub pointer.
975 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
976 (Stub_table::Cortex_a8_stub_list): New typedef.
977 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
978 Stub_table::prev_addralign_): New data member.
979 (Arm_relobj::Arm_relobj): Initialize data member
980 section_has_cortex_a8_workaround_.
981 (Arm_relobj::section_has_cortex_a8_workaround,
982 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
984 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
986 (Target_arm::relocate_stub): Change parameter type of stub from
987 Reloc_stub pointer to Stub pointer.
988 (Insn_template::size, Insn_template::alignment): Handle
989 THUMB16_SPECIAL_TYPE.
990 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
991 Stub_table::update_data_size_and_addralign,
992 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
994 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
995 (Stub_table::do_write): Ditto.
996 (Target_arm::do_relax): Adjust code for changes in Stub_table.
998 2010-01-08 Ian Lance Taylor <iant@google.com>
1001 * symtab.h (class Symbol): Remove fields is_target_special_ and
1002 has_plt_offset_. Add field is_defined_in_discarded_section_.
1003 (Symbol::is_defined_in_discarded_section): New function.
1004 (Symbol::set_is_defined_in_discarded_section): New function.
1005 (Symbol::has_plt_offset): Rewrite.
1006 (Symbol::set_plt_offset): Verify that new offset is not -1U.
1007 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
1008 Don't initialize is_target_special_ or has_plt_offset_.
1009 Initialize is_defined_in_discarded_section_.
1010 (Symbol_table::add_from_relobj): If appropriate, set
1011 is_defined_in_discarded_section.
1012 * resolve.cc (Symbol::override_base_with_special): Don't test
1013 is_target_special_. Change has_plt_offset_ to has_plt_offset().
1014 * target-reloc.h (relocate_section): Do special handling for
1015 symbols defined in discarded sections for global symbols as well
1018 2010-01-08 Ian Lance Taylor <iant@google.com>
1020 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
1021 the SHT_SYMTAB case.
1023 2010-01-08 Ian Lance Taylor <iant@google.com>
1025 * object.cc (Sized_relobj::do_layout): Don't get confused if
1026 layout_eh_frame returns NULL.
1028 2010-01-08 Ian Lance Taylor <iant@google.com>
1031 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
1032 dynamic symbol table, use the normal symbol table.
1033 (Sized_dynobj::do_read_symbols): Remove assertion about type of
1036 2010-01-08 Ian Lance Taylor <iant@google.com>
1039 * layout.cc (Layout::include_section): Remove .gnu_debuglink
1042 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
1044 * version.cc (print_version): Change to "Copyright 2010".
1046 2010-01-08 Ian Lance Taylor <iant@google.com>
1050 * i386.cc (class Target_i386): Change return type of plt_section
1052 (class Output_data_plt_i386): Add tls_desc_rel_ field.
1053 (Output_data_plt_i386::Output_data_plt_i386): Initialize
1054 tls_desc_rel_ field.
1055 (Output_data_plt_i386::rel_tls_desc): New function.
1056 (Target_i386::rel_tls_desc_section): New function.
1057 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1058 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1059 R_386_TLS_DESC reloc in rel_tls_desc_section.
1060 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1061 Define struct Tlsdesc_info.
1062 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1063 (Target_x86_64::do_reloc_symbol_index): New function.
1064 (Target_x86_64::add_tlsdesc_info): New function.
1065 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1066 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1068 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
1070 (Output_data_plt_x86_64::rela_tlsdesc): New function.
1071 (Target_x86_64::rela_tlsdesc_section): New function.
1072 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1074 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1075 (Target_x86_64::do_reloc_addend): New function.
1076 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1077 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1078 declarations. Define TARGET_CODE. Add arg field to u1_ union.
1079 (Output_reloc::type): New function.
1080 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1081 (Output_reloc::is_target_specific): New function.
1082 (Output_reloc::target_arg): New function.
1083 (class Output_reloc) [SHT_RELA]: Add four new constructors for
1084 absolute relocs and target specific relocs.
1085 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1086 add_target_specific.
1087 (class Output_data_reloc) [SHT_RELA]: Likewise.
1088 * output.cc (Output_reloc::Output_reloc): Add four new versions
1089 for absolute relocs and target specific relocs.
1090 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1091 (Output_reloc::get_symbol_index): Likewise.
1092 (Output_reloc::local_section_offset): Check that local_sym_index_
1093 is not TARGET_CODE or 0.
1094 (Output_reloc::symbol_value): Likewise.
1095 (Output_reloc::write) [SHT_RELA]: Call target for target specific
1097 * target.h (class Target): Add reloc_symbol_index and reloc_addend
1098 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
1100 * layout.cc (add_target_dynamic_tags): Use output section for
1101 DT_PLTRELSZ and DT_JMPREL.
1103 2010-01-07 Ian Lance Taylor <iant@google.com>
1106 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1108 (class Output_data_reloc_generic): Define.
1109 (class Output_data_reloc_base): Change base class to
1110 Output_data_reloc_generic. Change add() method to call
1111 bump_relative_reloc_count for a relative reloc. Remove
1113 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1115 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1116 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
1118 * layout.h (class Layout): Update declaration.
1120 2010-01-07 Ian Lance Taylor <iant@google.com>
1122 * output.h (class Output_data): Add const version of
1123 output_section and do_output_section.
1124 (class Output_section_data): Add const version of
1126 (class Output_section): Likewise.
1127 * layout.cc (Layout::add_target_dynamic_tags): New function.
1128 * layout.h (class Layout): Update declarations.
1129 * arm.cc (Target_arm::do_finalize_sections): Use
1130 add_target_dynamic_tags.
1131 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1132 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1133 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1134 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1136 2010-01-07 Ian Lance Taylor <iant@google.com>
1139 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1142 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
1143 Ian Lance Taylor <iant@google.com>
1146 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1147 Xindex::read_symtab_xindex.
1149 2010-01-07 Doug Kwan <dougkwan@google.com>
1151 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1152 (Insn_template::thumb16_bcond_insn): New method declaration.
1153 (Insn_template): Fix spelling.
1154 (Stub::thumb16_special): New method declaration.
1155 (Stub::do_write): Define virtual method which was previously pure
1157 (Stub::do_thumb16_special): New method declaration.
1158 (Stub::do_fixed_endian_write): New template member.
1159 (Reloc_stub::do_write): Remove.
1160 (Reloc_stub::do_fixed_endian_write): Remove.
1161 (Cortex_a8_stub): New class definition.
1162 (Stub_factory::make_cortex_a8_stub): New method definition.
1163 (Stub_factory::Stub_factory): Add missing static storage class
1164 qualifier for elf32_arm_stub_a8_veneer_blx.
1166 2010-01-07 Ian Lance Taylor <iant@google.com>
1169 * options.h (class General_options): Add --warn-unresolved-symbols
1170 and --error-unresolved-symbols.
1171 * errors.cc (Errors::undefined_symbol): Implement
1172 --warn-unresolved-symbols.
1174 * options.h (class General_options): Add -z text and -z textoff.
1175 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1177 2010-01-06 Sriraman Tallam <tmsriram@google.com>
1179 * gc.h (Garbage_collection::Cident_section_map): New typedef.
1180 (Garbage_collection::cident_sections): New function.
1181 (Garbage_collection::add_cident_section): New function.
1182 (Garbage_collection::cident_sections_): New member.
1183 (gc_process_relocs): Add references to sections whose names are C
1185 * gold.h (cident_section_start_prefix): New constant.
1186 (cident_section_stop_prefix): New constant.
1187 (is_cident): New function.
1188 * layout.cc (Layout::define_section_symbols): Replace string constants
1189 with the newly defined constants.
1190 * object.cc (Sized_relobj::do_layout): Track sections whose names are
1192 * testsuite/Makefile.am: Add gc_orphan_section_test.
1193 * testsuite/Makefile.in: Regenerate.
1194 * testsuite/gc_orphan_section_test.cc: New file.
1195 * testsuite/gc_orphan_section_test.sh: New file.
1197 2010-01-06 Ian Lance Taylor <iant@google.com>
1200 * options.h (class General_options): Add --warn-shared-textrel.
1201 * layout.cc (Layout::finish_dynamic_section): Implement
1202 --warn-shared-textrel.
1205 * options.h (class General_options): Add --warn-multiple-gp.
1207 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1209 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1210 $(THREADSLIB) and $(LIBDL).
1211 * Makefile.in: Rebuild.
1213 2010-01-06 Ian Lance Taylor <iant@google.com>
1216 * options.cc (General_options::parse_section_start): New function.
1217 (General_options::section_start): New function.
1218 (General_options::General_options): Initialize all members.
1219 * options.h: Include <map>
1220 (class General_options): Add --section-start. Add section_starts_
1222 * layout.cc (Layout::attach_allocated_section_to_segment): If
1223 --section-start was used, set the address of the segment. Remove
1224 local sort_sections.
1225 (Layout::relaxation_loop_body): If the address of the load segment
1226 has been set by --section-start, don't use it.
1227 * output.h (Output_segment::update_flags_for_output_section): New
1229 * output.cc (Output_segment::add_output_section): Call
1230 update_flags_for_output_section.
1232 2010-01-05 Ian Lance Taylor <iant@google.com>
1235 * options.h (class General_options): Add --undefined-version.
1236 * script.cc (struct Version_expression): Add was_matched_by_symbol
1238 (Version_script_info::matched_symbol): New function.
1239 (Version_script_info::get_symbol_version_helper): Call
1241 (Version_script_info::check_unmatched_names): New function.
1242 * script.h (class Version_script_info): Update declarations.
1243 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1245 * options.h (class General_options): Use DEFINE_bool_alias for
1246 allow_multiple_definition.
1247 * resolve.cc (Symbol_table::should_override): Don't test
1248 allow_multiple_definition.
1251 * options.h (class General_options): Add --cref.
1252 * main.cc (main): Print cref table if --cref. Don't close mapfile
1253 until after printing cref table.
1254 * cref.cc: Include "symtab.h".
1255 (class Cref_inputs): Define Cref_table_compare and Cref_table.
1256 (Cref_table_compare::operator()): New function.
1257 (Cref_inputs::gather_cref): New function.
1258 (filecol): New static const.
1259 (Cref_inputs::print_cref): New function.
1260 (Cref::print_cref): New function.
1261 * cref.h: Include <cstdio>.
1262 (class Cref): Update declarations.
1263 * mapfile.h (Mapfile::file): New function.
1264 * object.h (class Object): Define Symbols. Declare virtual
1265 do_get_global_symbols.
1266 (Object::get_global_symbols): New function.
1267 * object.cc (Input_objects::add_object): Pass object to cref_ if
1269 (Input_objects::archive_start): Likewise.
1270 (Input_objects::archive_stop): Likewise.
1271 (Input_objects::print_cref): New function.
1272 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1273 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1275 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1277 * plugin.h (class Sized_pluginobj): Update declarations.
1279 2010-01-05 Ian Lance Taylor <iant@google.com>
1281 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1282 to is_default_version. Rename insdef to insdefault.
1283 (Symbol_table::add_from_relobj): Rename def to is_default_version
1284 and local to is_forced_local.
1285 (Symbol_table::add_from_pluginobj): Likewise.
1286 (Symbol_table::add_from_dynobj): Likewise.
1287 (Symbol_table::define_special_symbol): Rename insdef to
1290 2010-01-04 Ian Lance Taylor <iant@google.com>
1293 * options.h (class General_options): Add
1294 --allow-multiple-definition and -z muldefs.
1295 * resolve.cc (Symbol_table::should_override): Don't warn about a
1296 multiple symbol definition if --allow-multiple-definition or -z
1300 * options.h (class General_options): Add --add-needed and
1301 --copy-dt-needed-entries. Tweak --as-needed help entry.
1302 * object.cc (Input_objects::check_dynamic_dependencies): Give an
1303 error if --copy-dt-needed-entries aka --add-needed is used and
1304 would cause a change in behaviour.
1307 * options.h (class General_options): Add -G as a short version of
1308 --shared. Add no-op options -assert, -g, and -i.
1310 2010-01-04 Sriraman Tallam <tmsriram@google.com>
1312 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1313 check for .text or .gnu.linkonce.t sections.
1314 * icf.cc (Icf::find_identical_sections): Ditto.
1315 Change the detection for mangled function name within the section
1317 * icf.h (is_section_foldable_candidate): New function.
1319 2009-12-30 Ian Lance Taylor <iant@google.com>
1322 * options.h (class General_options): Permit two dashes with
1323 --retain-symbols-file.
1325 2009-12-30 Ian Lance Taylor <iant@google.com>
1328 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1329 don't put the file header and segment headers in the text
1333 * common.cc (Sort_commons::operator()): Stabilize sort when both
1335 (Symbol_table::do_allocate_commons_list): When allocating common
1336 symbols, skip a symbol which is no longer common.
1337 * symtab.h (Symbol::is_common): Test whether the symbol comes from
1338 an object before checking its type.
1339 * testsuite/common_test_2.c: New file.
1340 * testsuite/common_test_3.c: New file.
1341 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1342 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1343 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1344 (common_test_2_pic.o, common_test_2.so): New targets.
1345 (common_test_3_pic.o, common_test_3.so): New targets.
1346 * testsuite/Makefile.in: Rebuild.
1349 * script.cc (read_input_script): If we see a new SECTIONS clause,
1350 and we have added an input section, give an error.
1351 * layout.h (class Layout): Add have_added_input_section function.
1352 Add have_added_input_section_ field.
1353 * layout.cc (Layout::Layout): Initialize
1354 have_added_input_section_.
1355 (Layout::layout): Set have_added_input_section_.
1356 (Layout::layout_eh_frame): Likewise.
1358 2009-12-30 Ian Lance Taylor <iant@google.com>
1361 * options.h (class General_options): Add --sort-common option.
1362 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1363 * common.cc (Sort_common): Add sort_order parameter to
1364 constructor. Add sort_order_ field.
1365 (Sort_commons::operator): Check sort_order_.
1366 (Symbol_table::allocate_commons): Determine the sort order.
1367 (Symbol_table::do_allocate_commons): Add sort_order parameter.
1369 (Symbol_table::do_allocate_commons_list): Likewise.
1371 2009-12-30 Ian Lance Taylor <iant@google.com>
1374 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1375 symbols from this object, don't change the visibility of an
1377 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1379 2009-12-30 Ian Lance Taylor <iant@google.com>
1382 * script.h (class Version_script_info): Define Language enum.
1383 Update declarations. Define Glob, Exact, and Lookup types. Add
1384 new fields globals_, locals_, and is_finalized_.
1385 * script.cc: Various formatting fixes.
1386 (class Parser_closure): Change language_stack_ from a vector of
1387 std::string to one of Version_script_info::Language. Adjust all
1389 (class Lazy_demangler): Remove.
1390 (struct Version_expression): Change language from std::string to
1391 Version_script_info::Language.
1392 (Version_script_info::Version_script_info): New function.
1393 (Version_script_info::~Version_script_info): Don't call clear.
1394 (Version_script_info::finalize): New function.
1395 (Version_script_info::build_lookup_tables): New function.
1396 (Version_script_info::build_expression_list_lookup): New
1398 (Version_script_info::get_symbol_version_helper): Rewrite to use
1400 (Version_script_info::print_expression_list): Adjust to use
1401 Version_script_info::Language.
1402 (script_push_lex_into_version_mode): Check that the version script
1403 has not been finalized.
1404 (version_script_push_lang): Change language string to
1405 Version_script_info::Language.
1406 * options.cc (Command_line::version_script): New function.
1407 * options.h (class General_options): Add finalize_dynamic_list
1408 function. Change version_script from declaration to definition.
1409 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1410 * testsuite/version_script.map: Remove duplicate def of foo.
1411 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1413 * testsuite/Makefile.in: Rebuild.
1415 2009-12-30 Ian Lance Taylor <iant@google.com>
1418 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1419 if the input symbol index is 0, make the output symbol index 0.
1421 2009-12-30 Ian Lance Taylor <iant@google.com>
1424 * options.h (class General_options): Add -x/--discard-all.
1425 * object.cc (Sized_relobj::do_count_local_symbols): Handle
1426 --discard-all. If the local symbol needs a dynamic entry, check
1427 that before handling --discard-locals.
1429 2009-12-30 Ian Lance Taylor <iant@google.com>
1432 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1434 (Output_segment::add_output_section): Don't change the flags if
1438 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1439 GNU hash table if they need a dynamic value. Otherwise, don't add
1440 them if they are defined in a dynamic object or are forced local.
1442 2009-12-29 Ian Lance Taylor <iant@google.com>
1445 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1446 .gnu.hash table for a 32-bit target.
1449 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1450 regular and a dynamic object only needs a dynamic symbol table
1451 entry if it is externally visible.
1454 * i386.cc (class Target_i386): Initialize global_offset_table_ in
1455 constructor. Add global_offset_table_ field.
1456 (Target_i386::got_section): Set global_offset_table_.
1457 (Target_i386::do_finalize_sections): Set global_offset_table_
1459 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1460 in constructor. Add global_offset_table_ field.
1461 (Target_x86_64::got_section): Set global_offset_table_.
1462 (Target_x86_64::do_finalize_sections): Set global_offset_table_
1465 * layout.cc (Layout::Layout): Initialize increase_relro_.
1466 (Layout::get_output_section): Add is_relro, is_last_relro, and
1467 is_first_non_relro parameters. Change all callers.
1468 (Layout::choose_output_section): Likewise.
1469 (Layout::add_output_section_data): Likewise.
1470 (Layout::make_output_section): Likewise.
1471 (Layout::set_segment_offsets): Clear increase_relro when using a
1473 * layout.h (class Layout): Add increase_relro method. Add
1474 increase_relro_ field. Update declarations.
1475 * output.cc (Output_section::Output_section): Initialize
1476 is_last_relro_ and is_first_non_relro_.
1477 (Output_segment::add_output_section): Group relro sections is
1478 do_sort is true. Handle is_last_relro and is_first_non_relro.
1479 (Output_segment::maximum_alignment): Remove relro handling.
1480 (Output_segment::set_section_addresses): Add increase_relro
1481 parameter. Change all callers. Add initial alignment to align
1482 relro sections on separate page. Remove old relro handling.
1483 (Output_segment::set_section_list_addresses): Remove in_relro
1484 parameter. Change all callers.
1485 (Output_segment::set_offset): Add increase parameter. Change all
1486 callers. Remove old relro handling.
1487 * output.h (class Output_section): Add new methods: is_last_relro,
1488 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1489 Add is_last_relro_ and is_first_non_relro_ fields.
1490 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1491 Create separate .got.plt section. Call increase_relro.
1492 * x86_64.cc (Target_x86_64::got_section): Likewise.
1493 * testsuite/relro_script_test.t: Add .got.plt.
1496 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1497 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1498 (Layout::finalize): Call set_dynamic_symbol_size.
1499 (Layout::set_dynamic_symbol_size): New function.
1500 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
1501 set_dynamic_symbol_size.
1504 * output.h (class Output_section): Add is_entsize_zero_ field.
1505 * output.cc (Output_section::Output_section): Initialize
1507 (Output_section::set_entsize): If two different entsizes are
1508 requested, force it to zero.
1509 (Output_section::add_input_section): Set flags for .debug_str
1510 before updating section flags. Set entsize.
1511 (Output_section::update_flags_for_input_section): Set SHF_MERGE
1512 and SHF_STRING if all input sections have those flags.
1514 2009-12-29 Rafael Espindola <espindola@google.com>
1516 * main.cc (main): Fix the sys time reporting.
1517 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1520 2009-12-29 Sriraman Tallam <tmsriram@google.com>
1522 * options.cc (General_options::parse_version): Allow -v to exit
1523 without an error if there is nothing to link.
1525 2009-12-29 Ian Lance Taylor <iant@google.com>
1527 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1528 using a version of gcc before 4.1.
1529 * configure: Rebuild.
1531 2009-12-28 Chris Demetriou <cgd@google.com>
1533 * attributes.cc (Output_attributes_section_data::do_write): Use
1534 std::vector::front rather than std::vector::data.
1536 2009-12-28 Ian Lance Taylor <iant@google.com>
1538 * symtab.h (class Symbol_table): Add enum Defined.
1539 * resolve.cc (Symbol_table::should_override): Add defined
1540 parameter. Change all callers. Test whether object is NULL
1541 before calling a method on it.
1542 (Symbol_table::report_resolve_problem): Add defined parameter.
1544 (Symbol_table::should_override_with_special): Likewise.
1545 * symtab.cc (Symbol_table::define_in_output_data): Add defined
1546 parameter. Change all callers.
1547 (Symbol_table::do_define_in_output_data): Likewise.
1548 (Symbol_table::define_in_output_segment): Likewise.
1549 (Symbol_table::do_define_in_output_segment): Likewise.
1550 (Symbol_table::define_as_constant): Likewise.
1551 (Symbol_table::do_define_as_constant): Likewise.
1552 * script.h (class Symbol_assignment): Add is_defsym parameter to
1553 constructor; change all callers.
1554 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1555 parameter. Change all callers. Add is_defsym_ field.
1556 (class Parser_closure): Add parsing_defsym parameter to
1557 constructor; change all callers. Add parsing_defsym accessor
1558 function. Add parsing_defsym_ field.
1560 2009-12-28 Ian Lance Taylor <iant@google.com>
1562 * gold.cc (queue_middle_tasks): Fix formatting.
1563 * object.cc (Relobj::is_section_name_included): Likewise.
1565 2009-12-23 Ian Lance Taylor <iant@google.com>
1567 * i386.cc (Target_i386::do_calls_non_split): Recognize
1568 -fsplit-stack prologue for a function with a static chain.
1569 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1570 -fsplit-stack prologue when using %r11.
1572 2009-12-21 Sriraman Tallam <tmsriram@google.com>
1574 * options.cc (General_options::parse_version): Make -v continue and do
1575 the link like GNU ld does.
1577 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
1579 * Makefile.am (CCFILES): Add timer.cc.
1580 (HFILES): Add timer.h.
1581 * configure.ac: Check for sysconf and times.
1582 * main.cc: include timer.h.
1583 (main): Use Timer instead of get_run_time.
1586 * workqueue.cc: include timer.h.
1587 (Workqueue::find_and_run_task):
1588 Report user, sys and wall time.
1589 * Makefile.in: Regenerate.
1590 * config.in: Regenerate.
1591 * configure: Regenerate.
1593 2009-12-16 Doug Kwan <dougkwan@google.com>
1595 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1597 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1598 relaxed input sections.
1599 * output.cc (Output_section::find_relaxed_input_section): Change
1600 return type to Output_relaxed_input_section pointer. Adjust code
1601 for new type of relaxed_input_section_map_.
1602 * output.h (Output_section::find_relaxed_input_section): Change
1603 return type to Output_relaxed_input_section pointer.
1604 (Output_section::Output_relaxed_input_section_by_input_section_map):
1606 (Output_section::relaxed_input_section_map_): Change type to
1607 Output_section::Output_relaxed_input_section_by_input_section_map.
1608 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1611 2009-12-15 Ian Lance Taylor <iant@google.com>
1613 * layout.cc (Layout::create_shstrtab): Only write out after input
1614 sections if we are compressing debug sections.
1616 2009-12-15 Ian Lance Taylor <iant@google.com>
1618 * archive.cc (Archive::add_symbols): Only look up a symbol without
1619 a version if there is, in fact, a version.
1621 2009-12-14 Ian Lance Taylor <iant@google.com>
1623 Revert -Wshadow changes, all changes from:
1624 2009-12-11 Doug Kwan <dougkwan@google.com>
1625 2009-12-11 Nick Clifton <nickc@redhat.com>
1626 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1628 2009-12-11 Doug Kwan <dougkwan@google.com>
1630 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1632 * attributes.cc (Object_attribute::size): Ditto.
1633 (Attributes_section_data::size): Ditto.
1634 (Attributes_section_data::Attributes_section_data): Ditto.
1635 (Output_attributes_section_data::do_write): Ditto.
1636 * attributes.h (Object_attribute::set_type): Ditto.
1637 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1639 2009-12-11 Nick Clifton <nickc@redhat.com>
1641 * archive.cc: Fix shadowed variable warnings.
1643 * compressed_output.cc: Likewise.
1644 * compressed_output.h: Likewise.
1645 * configure: Likewise.
1646 * dwarf_reader.cc: Likewise.
1647 * dynobj.cc: Likewise.
1648 * dynobj.h: Likewise.
1649 * ehframe.cc: Likewise.
1650 * ehframe.h: Likewise.
1651 * errors.cc: Likewise.
1652 * expression.cc: Likewise.
1653 * fileread.cc: Likewise.
1654 * fileread.h: Likewise.
1655 * freebsd.h: Likewise.
1656 * i386.cc: Likewise.
1658 * incremental.h: Likewise.
1659 * layout.cc: Likewise.
1660 * layout.h: Likewise.
1661 * mapfile.cc: Likewise.
1662 * merge.cc: Likewise.
1663 * merge.h: Likewise.
1664 * object.cc: Likewise.
1665 * object.h: Likewise.
1666 * options.h: Likewise.
1667 * output.cc: Likewise.
1668 * output.h: Likewise.
1669 * parameters.cc: Likewise.
1670 * plugin.cc: Likewise.
1671 * powerpc.cc: Likewise.
1672 * reduced_debug_output.cc: Likewise.
1673 * reduced_debug_output.h: Likewise.
1674 * reloc.cc: Likewise.
1675 * reloc.h: Likewise.
1676 * resolve.cc: Likewise.
1677 * script-sections.cc: Likewise.
1678 * script.cc: Likewise.
1679 * script.h: Likewise.
1680 * sparc.cc: Likewise.
1681 * symtab.cc: Likewise.
1682 * symtab.h: Likewise.
1683 * target-select.cc: Likewise.
1684 * target-select.h: Likewise.
1685 * token.h: Likewise.
1686 * workqueue.cc: Likewise.
1687 * workqueue.h: Likewise.
1688 * x86_64.cc: Likewise.
1690 2009-12-10 Doug Kwan <dougkwan@google.com>
1692 * arm.cc (attributes.h): New include.
1693 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1694 (Arm_relobj::~Arm_relobj): Delete object pointed by
1695 attributes_section_data_.
1696 (Arm_relobj::attributes_section_data): New method definition.
1697 (Arm_relobj::attributes_section_data_): New data member declaration.
1698 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1699 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1700 attributes_section_data_.
1701 (Arm_dynobj::attributes_section_data): New method definition.
1702 (Arm_dynobj::attributes_section_data_): New data member declaration.
1703 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
1704 initialization value of may_use_blx_ to false.
1705 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1706 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1707 object attributes to compute results instead of hard-coding.
1708 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1709 Target_arm::get_secondary_compatible_arch,
1710 Target_arm::set_secondary_compatible_arch
1711 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1712 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1713 New method declarations.
1714 (Target_arm::get_aeabi_object_attribute): New method definition.
1715 (Target_arm::attributes_section_data_): New data member declaration.
1716 (read_arm_attributes_section): New template definition.
1717 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1718 (Arm_dynobj::do_read_symbols): Ditto.
1719 (Target_arm::do_finalize_sections): Merge attributes sections from
1720 input. Check for BLX use after attributes section merging.
1721 Fix __exidx_start and __exidx_end visibility. Create an
1722 .ARM.attributes section if necessary.
1723 (Target_arm::get_secondary_compatible_arch,
1724 Target_arm::set_secondary_compatible_arch,
1725 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1726 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1727 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1728 New method definitions.
1730 2009-12-09 Ian Lance Taylor <iant@google.com>
1732 * plugin.cc (Plugin::load): Don't cast from void* to a function
1735 2009-12-09 Ian Lance Taylor <iant@google.com>
1737 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1740 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
1742 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1743 Replace two_file_shared_1.so with two_file_shared_2.so.
1744 * testsuite/Makefile.in: Regenerated.
1746 2009-12-08 Doug Kwan <dougkwan@google.com>
1748 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1749 (HFILES): Add attributes.h and int_encoding.h.
1750 * Makefile.in: Regenerate.
1751 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1752 function definitions to int_encoding.cc
1753 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1754 prototypes to int_encoding.h
1755 * reduced_debug_output.cc (int_encoding.h): New include.
1756 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1757 function definitions to int_encoding.cc
1758 (insert_into_vector, read_from_pointer): Move template definitions to
1760 * attributes.cc: New file.
1761 * attributes.h: New file.
1762 * int_encoding.cc: New file.
1763 * int_encoding.h: New file.
1765 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
1768 * incremental-dump.cc (dump_incremental_inputs): New.
1769 (main): Use dump_incremental_inputs.
1771 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
1774 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1775 checking elfcpp::STT_FUNC.
1776 (Target_i386::Relocate::relocate): Likewise.
1777 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1779 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1780 symbols from shared libraries into normal FUNC symbols.
1782 * symtab.h (Symbol): Add is_func and use it.
1784 2009-12-05 Doug Kwan <dougkwan@google.com>
1786 * arm.cc (Target_arm::arm_info): Initialize new fields
1787 attributes_section and attributes_vendor.
1788 * i386.cc (Target_i386::i386_info): Same.
1789 * object.cc (Sized_relobj::do_layout): Skip attribute section.
1790 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1791 fields attributes_section and attributes_vendor.
1792 * sparc.cc (Target_sparc::sparc_info): Same.
1793 * target.h (Target::attributes_section, Target::attributes_vendor,
1794 Target::is_attributes_section, Target::attribute_arg_type,
1795 Target::attributes_order): New method definitions.
1796 (Target::Target_info::attributes_section,
1797 Target::Target_info::attributes_vendor): New fields.
1798 (Target::do_attribute_arg_type, Target::do_attributes_order): New
1799 virtual method definitions.
1800 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1801 attributes_section and attributes_vendor.
1802 * testsuite/testfile.cc (Target_test::test_target_info): Same.
1804 2009-12-05 Doug Kwan <dougkwan@google.com>
1806 * arm.cc: Update comments about interworking and stub generation.
1807 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1808 considered as non-PIC.
1809 (Arm_relocate_functions::base_abs): Fix formatting.
1810 (Arm_relocate_functions::got_prel): Fix comment. Change interface
1811 of function to use GOT entry address instead of offset.
1812 (Target_arm::Scan::global): Issue an error if a symbol would need a
1813 PLT does not get one because it is untyped. Remove code to create
1814 dynamic symbols for relative branches.
1815 (Target_arm::Relocate::relocate: Use 0 instead of false since function
1816 takes unsigned integer instead of boolean.
1818 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
1820 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1821 (two_file_test_LDADD): Likewise.
1822 (common_test_1_LDADD): Likewise.
1823 (exception_test_LDADD) Likewise.
1824 (weak_test_LDADD): Likewise.
1825 (many_sections_test_LDADD): Likewise.
1826 (initpri1_LDADD): Likewise.
1827 (script_test_1_LDADD): Likewise.
1828 (script_test_2_LDADD): Likewise.
1829 (justsyms_LDADD): Likewise.
1830 (binary_test_LDADD): Likewise.
1831 (large_LDADD): Likewise.
1832 * testsuite/Makefile.in: Regenerated.
1834 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1836 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1837 (Symbol_table::override_with_special): Likewise.
1838 (Symbol_table::add_from_object): Likewise.
1840 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1842 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1843 Don't set the data_offset twice.
1845 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1847 * testsuite/Makefile.in: Regenerate.
1849 2009-12-03 Doug Kwan <dougkwan@google.com>
1851 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1852 (Target_arm::do_finalize_sections): Add parameter for symbol table
1853 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
1854 * i386.cc (Target_i386::do_finalize_sections): Add an additional
1855 parameter for symbol table pointer.
1856 * layout.cc (Layout::finalize): Call Target::finalize_sections with
1857 an additional parameter for a pointer to symbol table.
1858 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1859 parameter for a symbol table pointer.
1860 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1861 * target.h (Target::finalize_sections, Target::do_finalize_sections):
1863 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1864 parameter for a symbol table pointer.
1866 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
1868 * incremental.cc (Incremental_inputs_header)
1869 (Incremental_inputs_header_write, Incremental_inputs_entry)
1870 (Incremental_inputs_entry_write): Move ...
1871 * incremental.h (Incremental_inputs_header)
1872 (Incremental_inputs_header_write, Incremental_inputs_entry)
1873 (Incremental_inputs_entry_write): here.
1875 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1877 * incremental.cc (make_sized_incremental_binary): Set the target.
1878 Error if it is incompatible.
1879 * output.h (Output_file): Add filename method.
1881 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1883 * incremental.cc (Incremental_inputs_entry): Remove unused argument
1884 from the get_* methods.
1886 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1888 * incremental-dump.cc (main): Check that the offeset of a script is 0.
1889 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1890 Write 0 for the data_offset of scripts.
1892 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1894 * testsuite/Makefile.am: Add the incremental_test.sh test.
1895 * testsuite/incremental_test.sh: New.
1896 * testsuite/incremental_test_1.c: New.
1897 * testsuite/incremental_test_2.c: New.
1899 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
1901 * incremental-dump.cc (main): Fix typos.
1903 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
1906 * incremental-dump.cc (main): Use llu to print 64 bit values.
1908 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
1909 H.J. Lu <hongjiu.lu@intel.com>
1911 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1913 (incremental_dump_LDADD): Likewise.
1914 * Makefile.in: Regenerated.
1916 2009-11-25 Doug Kwan <dougkwan@google.com>
1920 2009-11-25 Doug Kwan <dougkwan@google.com>
1922 * arm.cc (Target_arm::Target_arm): Move method definition
1923 outside of class definition. Add code to handle
1924 --target1-rel, --target1-abs and --target2= options.
1925 (Target_arm::get_reloc_reloc_type): Change method to be
1926 non-static and const.
1927 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1928 New data member declaration.
1929 (Target_arm::Scan::local, Target_arm::Scan::global,
1930 Target_arm::Relocate::relocate,
1931 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1932 Adjust call to Target_arm::get_real_reloc_type.
1933 (Target_arm::get_real_reloc_type): Use command line options
1934 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1935 * options.h (--target1-rel, --target1-abs, --target2): New
1938 2009-11-25 Doug Kwan <dougkwan@google.com>
1940 * arm.cc (Target_arm::Target_arm): Move method definition outside of
1941 class definition. Add code to handle --target1-rel, --target1-abs
1942 and --target2= options.
1943 (Target_arm::get_reloc_reloc_type): Change method to be non-static
1945 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1947 (Target_arm::Scan::local, Target_arm::Scan::global,
1948 Target_arm::Relocate::relocate,
1949 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1950 call to Target_arm::get_real_reloc_type.
1951 (Target_arm::get_real_reloc_type): Use command line options to
1952 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1953 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1956 2009-11-25 Doug Kwan <dougkwan@google.com>
1958 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1959 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1960 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1962 (Arm_relocate_functions::thm_call): Replace body with a call to
1963 Arm_relocate_functions::thumb_branch_common.
1964 (Arm_relocate_functions::thm_jump24,
1965 Arm_relocate_functions::thm_xpc22): New method definitions.
1966 (Arm_relocate_functions::thumb_branch_common): New method definition.
1967 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1969 (Target_arm::Relocate::relocate): Adjust call to thm_call.
1970 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1972 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1974 * Makefile.am: Build incremental-dump
1975 * Makefile.in: Regenerate.
1976 * incremental-dump.cc: New.
1977 * incremental.cc (Incremental_inputs_header_data,
1978 Incremental_inputs_entry_data): Move to incremental.h
1979 * incremental.h: (Incremental_inputs_header_data,
1980 Incremental_inputs_entry_data): Move from incremental.cc
1982 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1984 * incremental.cc (Incremental_inputs_header,
1985 Incremental_inputs_header_write, Incremental_inputs_entry,
1986 Incremental_inputs_entry_write): Add a typedef with the data type.
1988 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1990 * incremental.cc (Incremental_inputs_header,
1991 Incremental_inputs_header_write, Incremental_inputs_entry,
1992 Incremental_inputs_entry_write): Update comment about which
1993 type has the filed descriptions.
1995 2009-11-15 Doug Kwan <dougkwan@google.com>
1997 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1998 (Arm_relocate_functions::arm_branch_common): Change method defintion
1999 in class definition to a method declaration and update list of formal
2001 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
2002 Arm_relocation_functions::jump24): Adjust call to
2003 Arm_relocate_functions::arm_branch_common. Update list of formal
2005 (Arm_relocate_functions::xpc25): New method definition.
2006 (Arm_relocate_functions::arm_branch_common): Move method defintion
2007 out from class definition. Use stubs for mode-switching and extending
2009 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
2010 specially. Change code to enable use of stubs in ARM branches.
2012 2009-11-10 Doug Kwan <dougkwan@google.com>
2014 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
2015 in method declaration.
2016 (Target_arm::relocate_stub): New method declaration.
2017 (Target_arm::default_target): Change to return a pointer instead of
2019 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
2020 Target_arm::default_target.
2021 (Arm_Relobj::do_relocate_sections): Remove options paramater in
2023 (Target_arm::relocate_section): Adjust view.
2024 (Target_arm::relocate_stub): New method definition.
2026 2009-11-10 Doug Kwan <dougkwan@google.com>
2028 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
2030 * incremental.cc (open_incremental_binary): Initialized local
2031 variables to avoid warnings.
2032 * object.cc (make_elf_object): Ditto.
2033 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2036 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
2039 * testsuite/plugin_test.c: Include "config.h".
2041 2009-11-09 Doug Kwan <dougkwan@google.com>
2043 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2044 (arm_symbol_value): Remove.
2045 (Arm_relocate_functions::arm_branch_common,
2046 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2047 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2048 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2049 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2050 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2051 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2052 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2053 Arm_relocate_functions::thm_mobw_abs_nc,
2054 Arm_relocate_functions::thm_mov_abs,
2055 Arm_relocate_functions::movw_prel_nc,
2056 Arm_relocate_functions::thm_movt_abs,
2057 Arm_relocate_functions::movt_prel,
2058 Arm_relocate_functions::thm_movw_prel_nc,
2059 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2060 (Target_arm::Relocate::relocate): Only decompose address into two
2061 parts if relocation type uses the thumb-bit and pass the actual
2062 bit instead of a flag indicating that the thumb-bit is used. Adjust
2063 calls to methods in Arm_relocate_functions for this change.
2065 2009-11-08 Ian Lance Taylor <iant@google.com>
2068 * reloc.cc: Instantiate
2069 Sized_relobj::initialize_input_to_output_maps and
2070 Sized_relobj:free_input_to_output_maps.
2072 2009-11-06 Ian Lance Taylor <iant@google.com>
2075 * defstd.cc (in_segment): Set only_if_ref true for "end".
2077 2009-11-06 Doug Kwan <dougkwan@google.com>
2079 * arm.cc (class Reloc_stub): Correct a comment.
2080 (Target_arm::Target_arm): Initialize arm_input_section_map_.
2081 (Target_arm::scan_section_for_stubs): New method declaration.
2082 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2083 Change methods from private to protected.
2084 (Target_arm::do_may_relax): New method definition.
2085 (Target_arm::do_relax, Target_arm::group_sections,
2086 Target_arm::scan_reloc_for_stub,
2087 Target_arm::scan_reloc_section_for_stubs): New method declarations.
2088 (Target_arm::arm_input_section_map_): New data member declaration.
2089 (Target_arm::scan_reloc_for_stub,
2090 Target_arm::scan_reloc_section_for_stubs,
2091 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2092 Target_arm::do_relax): New method definitions.
2094 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
2096 * configure.ac: Check for (struct stat)::st_mtim
2097 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2098 * config.in: Regenerate.
2099 * configure: Regenerate.
2101 2009-11-05 Ian Lance Taylor <iant@google.com>
2104 * output.cc (Output_segment::add_output_section): Add missing
2107 2009-11-04 Ian Lance Taylor <iant@google.com>
2110 * object.h (class Object): Add is_needed and set_is_needed
2111 methods. Add is_needed_ field. Make bool fields into bitfields.
2112 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2113 defined in a dynamic object and referenced by a regular object,
2114 set is_needed for the dynamic object.
2115 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2116 if the file is marked with as_needed and it is not needed.
2118 2009-11-04 Ian Lance Taylor <iant@google.com>
2121 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2122 tags if data is discarded by linker script.
2123 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2124 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2125 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2126 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2128 2009-11-04 Ian Lance Taylor <iant@google.com>
2130 * layout.cc (Layout::get_output_section): Add is_interp and
2131 is_dynamic_linker_section parameters. Change all callers.
2132 (Layout::choose_output_section): Likewise.
2133 (Layout::make_output_section): Likewise.
2134 (Layout::add_output_section_data): Add is_dynamic_linker_section
2135 parameter. Change all callers.
2136 * layout.h (class Layout): Update declarations.
2137 * output.h (class Output_section): Add is_interp, set_is_interp,
2138 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2139 Add is_interp_, is_dynamic_linker_section_ fields. Change
2140 generate_code_fills_at_write_ to a bitfield.
2141 * output.cc (Output_section::Output_sections): Initialize new
2143 (Output_segment::add_output_section): Add do_sort parameter.
2146 2009-11-03 Ian Lance Taylor <iant@google.com>
2149 * options.h (class General_options): Add --warn-common.
2150 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2151 merging two common symbols.
2152 (Symbol_table::should_override): Handle --warn-common when merging
2153 a common symbol with a defined symbol. Use report_resolve_problem
2154 for multiple definitions.
2155 (Symbol_table::report_resolve_problem): New function.
2156 * symtab.h (class Symbol_table): Declare report_resolve_problem.
2158 2009-11-03 Doug Kwan <dougkwan@google.com>
2160 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2162 (Target_arm::stub_factory): New method definition.
2163 (Target_arm::new_arm_input_section,
2164 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2165 Target_arm::reloc_uses_thumb_bit): New method declarations.
2166 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
2167 New type definitions.
2168 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2169 member declarations.
2170 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2171 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2172 New method definitions.
2174 2009-11-03 Ian Lance Taylor <iant@google.com>
2176 * options.h (class General_options): Add --warn_constructors.
2178 2009-11-03 Ian Lance Taylor <iant@google.com>
2181 * defstd.cc (in_section): Add entries for __rel_iplt_start,
2182 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2184 2009-11-03 Ian Lance Taylor <iant@google.com>
2187 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2188 --msgid-bugs-address.
2189 (install-pdf): New target.
2190 (install-data_yes): Look up one directory to find mkinstalldirs.
2192 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
2194 * po/Make-in (.po.gmo): Don't generate .gmo files in source
2197 2009-10-30 Doug Kwan <dougkwan@google.com>
2199 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2201 2009-10-30 Doug Kwan <dougkwan@google.com>
2203 * arm.cc (Stub_addend_reader): New struct template definition
2204 and partial specializations.
2205 (Stub_addend_reader::operator()): New method definition for a
2206 partially specialized template.
2208 2009-10-30 Doug Kwan <dougkwan@google.com>
2210 * arm.cc (Arm_relobj::processor_specific_flags): New method
2212 (Arm_relobj::do_read_symbols): New method declaration.
2213 (Arm_relobj::processor_specific_flags_): New data member declaration.
2214 (Arm_dynobj): New class definition.
2215 (Target_arm::do_finalize_sections): Add input_objects parameter.
2216 (Target_arm::do_adjust_elf_header): New method declaration.
2217 (Target_arm::are_eabi_versions_compatible,
2218 (Target_arm::merge_processor_specific_flags): New method declaration.
2219 (Target_arm::do_make_elf_object): New overloaded method definitions
2221 (Arm_relobj::do_read_symbols): New method definition.
2222 (Arm_dynobj::do_read_symbols): Ditto.
2223 (Target_arm::do_finalize_sections): Add input_objects parameters.
2224 Merge processor-specific flags from all input objects.
2225 (Target_arm::are_eabi_versions_compatible,
2226 Target_arm::merge_processor_specific_flags,
2227 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2228 New method definitions.
2229 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2230 Input_objects pointer type parameter.
2231 * layout.cc (Layout::finalize): Pass input objects to target's.
2232 finalize_sections function.
2233 * output.cc (Output_file_header::do_sized_write): Set ELF file
2234 header's processor-specific flags.
2235 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2236 Input_objects pointer type parameter.
2237 * sparc.cc (Target_sparc::do_finalize_sections): Same.
2238 * target.h (Input_objects): New forward class declaration.
2239 (Target::processor_specific_flags,
2240 Target::are_processor_specific_flags_sect): New method definitions.
2241 (Target::finalize_sections): Add input_objects parameter.
2242 (Target::Target): Initialize processor_specific_flags_ and
2243 are_processor_specific_flags_set_.
2244 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2246 (Target::set_processor_specific_flags): New method definition.
2247 (Target::processor_specific_flags_,
2248 Target::are_processor_specific_flags_set_): New data member
2250 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2251 Input_objects pointer type parameter.
2253 2009-10-30 Doug Kwan <dougkwan@google.com>
2255 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2257 2009-10-28 Ian Lance Taylor <iant@google.com>
2259 * object.h (class Relobj): Drop options parameter from
2260 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2261 do_scan_relocs, do_relocate. Change all callers.
2262 (class Sized_relobj): Drop options parameters from
2263 do_gc_process_relocs, do_scan_relocs, do_relocate,
2264 do_relocate_sections, relocate_sections, emit_relocs_scan,
2265 emit_relocs_scan_reltype. Change all callers.
2266 (struct Relocate_info): Remove options field and all references to
2268 * reloc.h (class Read_relocs): Remove options constructor
2269 parameter and options_ field. Change all callers.
2270 (class Gc_process_relocs, class Scan_relocs): Likewise.
2271 (class Relocate_task): Likewise.
2272 * target-reloc.h (scan_relocs): Remove options parameter. Change
2274 (scan_relocatable_relocs): Likewise.
2275 * target.h (class Sized_target): Remove options parameter from
2276 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
2278 * gc.h (gc_process_relocs): Remove options parameter. Change all
2280 * arm.cc: Update functions to remove options parameters.
2281 * i386.cc: Likewise.
2282 * powerpc.cc: Likewise.
2283 * sparc.cc: Likewise.
2284 * x86_64.cc: Likewise.
2285 * testsuite/testfile.cc: Likewise.
2287 2009-10-28 Doug Kwan <dougkwan@google.com>
2289 * arm.cc (Arm_relobj): New class definition.
2290 (Arm_relobj::scan_sections_for_stubs,
2291 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2292 New method definitions.
2294 2009-10-28 Cary Coutant <ccoutant@google.com>
2296 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2297 (Plugin::cleanup_done_): New member.
2298 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2299 (Plugin_manager::cleanup_done_): Remove.
2300 (Plugin_manager::add_input_file): Edit error message.
2301 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2302 (Plugin_manager::cleanup): Remove use of cleanup_done_.
2304 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
2306 * fileread.cc: (File_read::View::~View): Use the new
2307 data_ownership_ filed.
2308 (File_read::~File_read): Dispose the new whole_file_view_.
2309 (File_read::open): Mmap the whole file if needed.
2310 (File_read::open): Use whole_file_view_ instead of contents_.
2311 (File_read::find_view): Use whole_file_view_ if applicable.
2312 (File_read::do_read): Use whole_file_view_ instead of contents_.
2313 (File_read::make_view): Use whole_file_view_ instead of contents_,
2314 update File_read::View::View call.
2315 (File_read::find_or_make_view): Update File_read::View::View
2317 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2319 (File_read::View::Data_ownership): New enum.
2320 (File_read::View::View): Replace bool mapped_ with Data_ownership
2322 (File_read::View::mapped_): Remove (replaced by data_ownership_).
2323 (File_read::View::data_ownership_): New field.
2324 (File_read::contents_): Remove (replaced by whole_file_view_).
2325 (File_read::whole_file_view_): New field.
2326 * options.h (class General_options): Add --keep-files-mapped.
2328 2009-10-27 Cary Coutant <ccoutant@google.com>
2330 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2331 * testsuite/Makefile.am (plugin_test_5): New test case.
2332 * testsuite/Makefile.in: Regenerate.
2334 2009-10-25 Doug Kwan <dougkwan@google.com>
2336 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2337 from private to protected to allow access by child class.
2338 (Sized_relobj::do_relocate_sections): New method declaration.
2339 (Sized_relobj::relocate_sections): Virtualize.
2340 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2341 Sized_relobj::relocate_sections. Instantiate template explicitly
2342 for different target sizes and endianity.
2344 2009-10-24 Doug Kwan <dougkwan@google.com>
2346 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2347 (Arm_input_section::as_arm_input_section): New method.
2348 (Arm_output_section): New class definition.
2349 (Arm_output_section::create_stub_group,
2350 Arm_output_section::group_sections): New method definitions.
2352 2009-10-22 Doug Kwan <dougkwan@google.com>
2354 * arm.cc (Arm_input_section): New class definition.
2355 (Arm_input_section::init, Arm_input_section:do_write,
2356 Arm_input_section::set_final_data_size,
2357 Arm_input_section::do_reset_address_and_file_offset): New method
2360 2009-10-21 Doug Kwan <dougkwan@google.com>
2362 * arm.cc (Stub_table, Arm_input_section): New forward class
2364 (Stub_table): New class defintion.
2365 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2366 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2367 New method definition.
2369 2009-10-21 Doug Kwan <dougkwan@google.com>
2371 * arm.cc: Update copyright comments.
2372 (Target_arm): New forward class template declaration.
2373 (Arm_address): New type.
2374 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2375 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2376 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2378 (Insn_template): Same.
2379 (DEF_STUBS): New macro.
2380 (Stub_type): New enum type.
2381 (Stub_template): New class definition.
2384 (Stub_factory): Same.
2385 (Target_arm::Target_arm): Initialize may_use_blx_ and
2386 should_force_pic_veneer_.
2387 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2388 Target_arm::should_force_pic_veneer,
2389 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2390 Target_arm::using_thumb_only, Target_arm:;default_target): New
2392 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2393 New data member declarations.
2394 (Insn_template::size, Insn_template::alignment): New method defintions.
2395 (Stub_template::Stub_template): New method definition.
2396 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2397 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2398 (Stub_factory::Stub_factory): New method definition.
2399 * gold.h (string_hash): New template.
2400 * output.h (Input_section_specifier::hash_value): Use
2402 (Input_section_specifier::string_hash): Remove.
2403 * stringpool.cc (Stringpool_template::string_hash): Use
2406 2009-10-20 Doug Kwan <dougkwan@google.com>
2408 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2409 symbols of relaxed input sections.
2410 * output.h (Output_section::find_relaxed_input_section): Make
2413 2009-10-16 Doug Kwan <dougkwan@google.com>
2415 * dynobj.cc (Versions::Versions): Initialize version_script_.
2416 Only insert base version symbol definition for a shared object
2417 if version script defines any version versions.
2418 (Versions::define_base_version): New method definition.
2419 (Versions::add_def): Check that base version is not needed.
2420 (Versions::add_need): Define base version lazily.
2421 * dynobj.h (Versions::define_base_version): New method declaration.
2422 (Versions::needs_base_version_): New data member declaration.
2423 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2424 (check_DATA): Add no_version_test.stdout.
2425 (libno_version_test.so, no_version_test.o no_version_test.stdout):
2427 * testsuite/Makefile.in: Regenerate.
2428 * testsuite/no_version_test.c: New file.
2429 * testsuite/no_version_test.sh: Ditto.
2431 2009-10-16 Doug Kwan <dougkwan@google.com>
2433 * expression.cc (class Segment_start_expression): New class definition.
2434 (Segment_start_expression::value): New method definition.
2435 (script_exp_function_segment_start): Return a new
2436 Segment_start_expression.
2437 * gold/script-c.h (script_saw_segment_start_expression): New function
2439 * script-sections.cc (Script_sections::Script_sections): Initialize
2440 SAW_SEGMENT_START_EXPRESSION_ to false.
2441 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2442 and -Tbbs options to specify section addresses if given in
2443 command line and no SEGMENT_START expression is seen in a script.
2444 * script-sections.h (Script_sections::saw_segment_start_expression,
2445 Script_sections::set_saw_segment_start_expression): New method
2447 (Script_sections::saw_segment_start_expression_): New data member
2449 * script.cc (script_saw_segment_start_expression): New function.
2450 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2451 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2452 script_test_7.sh and script_test_8.sh.
2453 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2454 script_test_8.stdout.
2455 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2456 (script_test_6, script_test_6.stdout, script_test_7,
2457 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2458 * Makefile.in: Regenerate.
2459 * testsuite/script_test_6.sh: New file.
2460 * testsuite/script_test_6.t: Same.
2461 * testsuite/script_test_7.sh: Same.
2462 * testsuite/script_test_7.t: Same.
2463 * testsuite/script_test_8.sh: Same.
2465 2009-10-16 Doug Kwan <dougkwan@google.com>
2467 * output.cc (Output_segment::set_section_list_address): Cast
2468 expressions to unsigned long long type to avoid format warnings.
2470 2009-10-15 Ian Lance Taylor <iant@google.com>
2472 * script.cc (Script_options::add_symbol_assignment): Always add a
2473 dot assignment to script_sections_.
2474 * script-sections.cc (Script_sections::add_dot_assignment):
2475 Initialize if necessary.
2477 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2478 program headers with no load segment if there is a linker script.
2480 * layout.cc (Layout::set_segment_offsets): Align the file offset
2481 to the segment aligment for -N or -n with no load segment.
2482 * output.cc (Output_segment::add_output_section): Don't crash if
2483 the first section is a TLS section.
2484 (Output_segment::set_section_list_addresses): Print an error
2485 message if the address moves backward in a linker script.
2486 * script-sections.cc
2487 (Output_section_element_input::set_section_addresses): Don't
2488 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2489 (Orphan_output_section::set_section_addresses): Likewise.
2491 2009-10-15 Doug Kwan <dougkwan@google.com>
2493 * layout.cc (Layout::finish_dynamic_section): Generate tags
2494 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2495 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2496 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2498 2009-10-14 Ian Lance Taylor <iant@google.com>
2500 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2502 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2503 data_shdr fields of relinfo.
2504 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2505 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
2506 R_386_TLS_LDO_32, adjust based on section flags.
2507 (Target_i386::Relocate::fix_up_ldo): Remove.
2509 2009-10-13 Ian Lance Taylor <iant@google.com>
2511 Add support for -pie.
2512 * options.h (class General_options): Add -pie and
2514 (General_options::output_is_position_independent): Test -pie.
2515 (General_options::output_is_executable): Return true if not shared
2516 and not relocatable.
2517 (General_options::output_is_pie): Remove.
2518 * options.cc (General_options::finalize): Reject incompatible uses
2520 * gold.cc (queue_middle_tasks): A -pie link is not static.
2521 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2522 * symtab.cc (Symbol::final_value_is_known): Return false if
2523 output_is_position_independent.
2524 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2525 output_is_position_independent.
2526 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2527 output_is_position_independent.
2528 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2529 output_is_position_independent.
2530 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2532 (basic_pie_test.o, basic_pie_test): New targets.
2533 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2534 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2535 (two_file_pie_test): New target.
2536 * testsuite/Makefile.in: Rebuild.
2537 * README: Remove note saying that -pie is not supported.
2539 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2541 * options.h (class General_options): Add -init and -fini.
2542 * layout.cc (Layout::finish_dynamic_section): Emit
2543 given init and fini functions.
2545 2009-10-13 Sriraman Tallam <tmsriram@google.com>
2547 * gc.h (gc_process_relocs): Check if icf is enabled using new
2549 * gold.cc (queue_initial_tasks): Likewise.
2550 (queue_middle_tasks): Likewise.
2551 * object.cc (do_layout): Likewise.
2552 * symtab.cc (is_section_folded): Likewise.
2553 * main.cc (main): Likewise.
2554 * reloc.cc (Read_relocs::run): Likewise.
2555 (Sized_relobj::do_scan_relocs): Likewise.
2556 * icf.cc (is_function_ctor_or_dtor): New function.
2557 (Icf::find_identical_sections): Check if function is ctor or dtor when
2559 * options.h (General_options::icf): Change option to be an enum.
2560 (Icf_status): New enum.
2561 (icf_enabled): New method.
2562 (icf_safe_folding): New method.
2563 (set_icf_status): New method.
2564 (icf_status_): New variable.
2565 * (options.cc) (General_options::finalize): Set icf_status_.
2566 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2567 icf_test and icf_keep_unique_test to use the --icf enum flag.
2568 * testsuite/icf_safe_test.sh: New file.
2569 * testsuite/icf_safe_test.cc: New file.
2571 2009-10-12 Sriraman Tallam <tmsriram@google.com>
2573 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2574 includes to gc.h and icf.h.
2575 * arm.cc: Include gc.h.
2576 * gold.cc: Likewise.
2577 * i386.cc: Likewise.
2578 * powerpc.cc: Likewise.
2579 * sparc.cc: Likewise.
2580 * x86_64.cc: Likewise.
2581 * gc.h: Include icf.h.
2583 2009-10-11 Ian Lance Taylor <iant@google.com>
2585 * plugin.cc: Include "gold.h" before other header files.
2587 2009-10-10 Chris Demetriou <cgd@google.com>
2589 * options.h (Input_file_argument::Input_file_type): New enum.
2590 (Input_file_argument::is_lib_): Replace with...
2591 (Input_file_argument::type_): New member.
2592 (Input_file_argument::Input_file_argument): Take Input_file_type
2593 'type' rather than boolean 'is_lib' as second argument.
2594 (Input_file_argument::is_lib): Use type_.
2595 (Input_file_argument::is_searched_file): New function.
2596 (Input_file_argument::may_need_search): Handle is_searched_file.
2597 * options.cc (General_options::parse_library): Support -l:filename.
2598 (General_options::parse_just_symbols): Update for Input_file_argument
2600 (Command_line::process): Likewise.
2601 * archive.cc (Archive::get_file_and_offset): Likewise.
2602 * plugin.cc (Plugin_manager::release_input_file): Likewise.
2603 * script.cc (read_script_file, script_add_file): Likewise.
2604 * fileread.cc (Input_file::Input_file): Likewise.
2605 (Input_file::will_search_for): Handle is_searched_file.
2606 (Input_file::open): Likewise.
2607 * readsyms.cc (Read_symbols::get_name): Likewise.
2608 * testsuite/Makefile.am (searched_file_test): New test.
2609 * testsuite/Makefile.in: Regenerate.
2610 * testsuite/searched_file_test.cc: New file.
2611 * testsuite/searched_file_test_lib.cc: New file.
2613 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2614 Ian Lance Taylor <iant@google.com>
2616 * descriptor.cc: Include <cstdio> and "binary-io.h".
2617 (Descriptors::open): Open the files in binary mode always.
2618 * script.cc (Lex::get_token): Treat \r as whitespace.
2620 2009-10-09 Ian Lance Taylor <iant@google.com>
2622 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2624 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2625 Ian Lance Taylor <iant@google.com>
2627 * configure.ac: Check for readv function also.
2628 * fileread.cc (readv): Define if not HAVE_READV.
2629 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2631 * config.in: Regenerate.
2632 * configure: Regenerate.
2634 2009-10-09 Doug Kwan <dougkwan@google.com>
2636 * layout.cc (Layout::make_output_section): Call target hook to make
2637 ordinary output section.
2638 (Layout::finalize): Adjust parameter list of call the
2639 Target::may_relax().
2640 * layout.h (class Layout::section_list): New method.
2641 * merge.h (Output_merge_base::entsize): Change visibility to public.
2642 (Output_merge_base::is_string, Output_merge_base::do_is_string):
2644 (Output_merge_string::do_is_string): New method.
2645 * object.cc (Sized_relobj::do_setup): renamed from
2646 Sized_relobj::set_up.
2647 * object.h (Sized_relobj::adjust_shndx,
2648 Sized_relobj::initializ_input_to_output_maps,
2649 Sized_relobj::free_input_to_output_maps): Change visibilities to
2651 (Sized_relobj::setup): Virtualize.
2652 (Sized_relobj::do_setup): New method declaration.
2653 (Sized_relobj::invalidate_section_offset,
2654 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2655 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2656 * options.cc (parse_int): New function.
2657 * options.h (parse_int): New declaration.
2658 (DEFINE_int): New macro.
2659 (stub_group_size): New option.
2660 * output.cc (Output_section::Output_section): Initialize memebers
2661 merge_section_map_, merge_section_by_properties_map_,
2662 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2663 (Output_section::add_input_section): Handled deferred code-fill
2664 generation and remove an old comment.
2665 (Output_section::add_relaxed_input_section): New method definition.
2666 (Output_section::add_merge_input_section): Use merge section by
2667 properties map to speed to search. Update merge section maps
2669 (Output_section::build_relaxation_map): New method definition.
2670 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2672 (Output_section::relax_input_section): Renamed to
2673 Output_section::convert_input_sections_to_relaxed_sections and change
2674 interface to take a vector of pointers to relaxed sections.
2675 (Output_section::find_merge_section,
2676 Output_section::find_relaxed_input_section): New method definitions.
2677 (Output_section::is_input_address_mapped,
2678 Output_section::output_offset, Output_section::output_address):
2679 Use output section data maps to speed up searching.
2680 (Output_section::find_starting_output_address): Add comments.
2681 (Output_section::do_write,
2682 Output_section::write_to_postprocessing_buffer): Do code-fill
2683 generation as appropriate.
2684 (Output_section::get_input_sections): Invalidate relaxed input section
2686 (Output_section::restore_states): Adjust type of checkpoint .
2687 Invalidate relaxed input section map.
2688 * output.h (Output_merge_base): New class declaration.
2689 (Input_section_specifier): New class defintion.
2690 (class Output_relaxed_input_section) Change base class to
2691 Output_section_data_build.
2692 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2693 base class initializer.
2694 (Output_section::add_relaxed_input_section): New method declaration.
2695 (Output_section::Input_section): Change visibility to protected.
2696 (Output_section::Input_section::relobj,
2697 Output_section::Input_section::shndx): Handle relaxed input sections.
2698 Output_section::input_sections) Change visibility to protected. Also
2699 define overload to return a non-const pointer.
2700 (Output_section::Merge_section_properties): New class defintion.
2701 (Output_section::Merge_section_by_properties_map,
2702 Output_section::Output_section_data_by_input_section_map,
2703 Output_section::Relaxation_map): New types.
2704 (Output_section::relax_input_section): Rename method to
2705 Output_section::convert_input_sections_to_relaxed_sections and change
2706 interface to take a vector of relaxed section pointers.
2707 (Output_section::find_merge_section,
2708 Output_section::find_relaxed_input_section,
2709 Output_section::build_relaxation_map,
2710 Output_section::convert_input_sections_in_list_to_relaxed_sections):
2711 New method declarations.
2712 (Output_section::merge_section_map_
2713 Output_section::merge_section_by_properties_map_,
2714 Output_section::relaxed_input_section_map_,
2715 Output_section::is_relaxed_input_section_map_valid_,
2716 Output_section::generate_code_fills_at_write_): New data members.
2717 * script-sections.cc
2718 (Output_section_element_input::set_section_addresses): Call
2719 current_data_size and addralign methods of relaxed input sections.
2720 (Orphan_output_section::set_section_addresses): Call current_data_size
2721 and addralign methods of relaxed input sections.
2722 * symtab.cc (Symbol_table::compute_final_value): Extract template
2723 from the body of Symbol_table::sized_finalize_symbol.
2724 (Symbol_table::sized_finalized_symbol): Call
2725 Symbol_table::compute_final_value.
2726 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2727 (Symbol_table::compute_final_value): New templated method declaration.
2728 * target.cc (Target::do_make_output_section): New method defintion.
2729 * target.h (Target::make_output_section): New method declaration.
2730 (Target::relax): Add more parameters for input objects, symbol table
2731 and layout. Adjust call to do_relax.
2732 (Target::do_make_output_section): New method declaration.
2733 (Target::do_relax): Add parameters for input objects, symbol table
2736 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2738 * pread.c: Include stdio.h.
2740 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2742 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2745 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2747 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2748 Change read_shndx type to unsigned int.
2749 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2751 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2752 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2753 Change read_shndx type to unsigned int.
2754 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2756 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2757 * layout.cc (Layout::create_symtab_sections): Cast the result of
2758 local_symcount * symsize to off_t in the gold_assert.
2760 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2762 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2763 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2765 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2766 (Arm_relocate_functions::thm_abs5): New function.
2767 (Arm_relocate_functions::abs12): New function.
2768 (Arm_relocate_functions::abs16): New function.
2769 (Arm_relocate_functions::base_abs): New function.
2770 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2771 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
2772 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2774 (Scan::global): Likewise.
2775 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2776 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2777 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2778 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2781 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2783 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2784 (Arm_relocate_functions::movt_prel): New function.
2785 (Arm_relocate_functions::thm_movw_prel_nc): New function.
2786 (Arm_relocate_functions::thm_movt_prel): New function.
2787 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2788 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2789 (Scan::global, Relocate::relocate): Likewise.
2790 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2792 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2794 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2795 Incremental_checker.
2796 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2798 (class Incremental_inputs_header): New class.
2799 (Incremental_inputs_header_writer): Edit comment.
2800 (Incremental_inputs_entry): New class.
2801 (Incremental_inputs_entry_writer): Edit comment.
2802 (Sized_incremental_binary::do_find_incremental_inputs_section):
2803 Add *strtab_shndx parameter, fill it.
2804 (Sized_incremental_binary::do_check_inputs): New method.
2805 (Incremental_checker::can_incrementally_link_output_file): Use
2806 Sized_incremental_binary::check_inputs.
2807 (Incremental_inputs::report_command_line): Save command line in
2810 (Incremental_binary::find_incremental_inputs_section): New
2812 (Incremental_binary::do_find_incremental_inputs_section): Add
2813 strtab_shndx parameter.
2814 (Incremental_binary::do_check_inputs): New pure virtual method.
2815 (Sized_incremental_binary::do_check_inputs): Declare.
2816 (Incremental_checker::Incremental_checker): Add incremental_inputs
2817 parameter, use it to initialize incremental_inputs_.
2818 (Incremental_checker::incremental_inputs_): New field.
2819 (Incremental_checker::command_line): New method.
2820 (Incremental_checker::inputs): New method.
2821 (Incremental_checker::command_line_): New field.
2823 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2825 * incremental.cc: Include <cstdarg> and "target-select.h".
2826 (vexplain_no_incremental): New function.
2827 (explain_no_incremental): New function.
2828 (Incremental_binary::error): New method.
2829 (Sized_incremental_binary::do_find_incremental_inputs_section): New
2831 (make_sized_incremental_binary): New function.
2832 (open_incremental_binary): New function.
2833 (can_incrementally_link_file): Add checks if output is ELF and has
2835 * incremental.h: Include "elfcpp_file.h" and "output.h".
2836 (Incremental_binary): New class.
2837 (Sized_incremental_binary): New class.
2838 (open_incremental_binary): Declare.
2839 * object.cc (is_elf_object): Use
2840 elfcpp::Elf_recognizer::is_elf_file.
2841 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2842 * output.h (Output_file::filesize): New method.
2844 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2846 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2848 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2849 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2851 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2853 (Arm_relocate_functions::movw_abs_nc): New function.
2854 (Arm_relocate_functions::movt_abs): New function.
2855 (Arm_relocate_functions::thm_movw_abs_nc): New function.
2856 (Arm_relocate_functions::thm_movt_abs): New function.
2857 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2858 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2859 (Scan::global): Likewise.
2860 (Relocate::relocate): Likewise.
2861 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2863 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2865 * arm.cc (Arm_relocate_functions::got_prel) New function.
2866 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2867 (Relocate::relocate): Likewise.
2868 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2870 2009-10-06 Ian Lance Taylor <iant@google.com>
2872 * options.h (class General_options): Define
2873 split_stack_adjust_size parameter.
2874 * object.h (class Object): Add uses_split_stack_ and
2875 has_no_split_stack_ fields. Add uses_split_stack and
2876 has_no_split_stack accessor functions. Declare
2877 handle_split_stack_section.
2878 (class Reloc_symbol_changes): Define.
2879 (class Sized_relobj): Define Function_offsets. Declare
2880 split_stack_adjust, split_stack_adjust_reltype, and
2882 * object.cc (Object::handle_split_stack_section): New function.
2883 (Sized_relobj::do_layout): Call handle_split_stack_section.
2884 * dynobj.cc (Sized_dynobj::do_layout): Call
2885 handle_split_stack_section.
2886 * reloc.cc (Sized_relobj::relocate_sections): Call
2887 split_stack_adjust for executable sections in split_stack
2888 objects. Pass reloc_map to relocate_section.
2889 (Sized_relobj::split_stack_adjust): New function.
2890 (Sized_relobj::split_stack_adjust_reltype): New function.
2891 (Sized_relobj::find_functions): New function.
2892 * target-reloc.h: Include "object.h".
2893 (relocate_section): Add reloc_symbol_changes parameter. Change
2895 * target.h (class Target): Add calls_non_split method. Declare
2896 do_calls_non_split virtual method. Declare match_view and
2898 * target.cc: Include "elfcpp.h".
2899 (Target::do_calls_non_split): New function.
2900 (Target::match_view): New function.
2901 (Target::set_view_to_nop): New function.
2902 * gold.cc (queue_middle_tasks): Give an error if mixing
2903 split-stack and non-split-stack objects with -r.
2904 * i386.cc (Target_i386::relocate_section): Add
2905 reloc_symbol_changes parameter.
2906 (Target_i386::do_calls_non_split): New function.
2907 * x86_64.cc (Target_x86_64::relocate_section): Add
2908 reloc_symbol_changes parameter.
2909 (Target_x86_64::do_calls_non_split): New function.
2910 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2912 * powerpc.cc (Target_powerpc::relocate_section): Add
2913 reloc_symbol_changes parameter.
2914 * sparc.cc (Target_sparc::relocate_section): Add
2915 reloc_symbol_changes parameter.
2916 * configure.ac: Call AM_CONDITIONAL for the default target.
2917 * configure: Rebuild.
2918 * testsuite/Makefile.am (TEST_AS): New variable.
2919 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2920 (check_DATA): Add split_i386 and split_x86_64 files.
2921 (SPLIT_DEFSYMS): Define.
2922 (split_i386_[1234n].o): New targets.
2923 (split_i386_[124]): New targets.
2924 (split_i386_[1234r].stdout): New targets.
2925 (split_x86_64_[1234n].o): New targets.
2926 (split_x86_64_[124]): New targets.
2927 (split_x86_64_[1234r].stdout): New targets.
2928 (MOSTLYCLEANFILES): Add new executables.
2929 * testsuite/split_i386.sh: New file.
2930 * testsuite/split_x86_64.sh: New file.
2931 * testsuite/split_i386_1.s: New file.
2932 * testsuite/split_i386_2.s: New file.
2933 * testsuite/split_i386_3.s: New file.
2934 * testsuite/split_i386_4.s: New file.
2935 * testsuite/split_i386_n.s: New file.
2936 * testsuite/split_x86_64_1.s: New file.
2937 * testsuite/split_x86_64_2.s: New file.
2938 * testsuite/split_x86_64_3.s: New file.
2939 * testsuite/split_x86_64_4.s: New file.
2940 * testsuite/split_x86_64_n.s: New file.
2941 * testsuite/testfile.cc (Target_test): Update relocation_section
2943 * testsuite/Makefile.in: Rebuild.
2945 2009-10-06 Ian Lance Taylor <iant@google.com>
2947 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2948 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2949 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
2950 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2951 the address on ldo_addrs_.
2952 (Target_i386::Relocate::fix_up_ldo): New function.
2954 2009-10-06 Rafael Espindola <espindola@google.com>
2956 * plugin.cc (add_input_library): New.
2957 (Plugin::load): Add add_input_library to tv.
2958 (Plugin_manager::add_input_file): Add the is_lib argument.
2959 (add_input_file): Update call to Plugin_manager::add_input_file.
2960 (add_input_library): New.
2961 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2963 2009-09-30 Doug Kwan <dougkwan@google.com>
2965 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2966 symbol and call Symbol::may_need_copy_reloc to determine if
2967 a copy reloc is needed.
2968 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2969 nocopyreloc is given in command line.
2970 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2971 given in command line.
2972 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2973 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2974 of the removed Target_i386::may_need_copy_reloc.
2975 * options.h (copyreloc): New option with default value false.
2976 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2977 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2978 instead of the removed Target_powerpc::may_need_copy_reloc.
2979 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2980 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2981 instead of the removed Target_sparc::may_need_copy_reloc.
2982 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2983 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2984 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2985 instead of the removed Target_x86_64::may_need_copy_reloc.
2987 2009-09-30 Ian Lance Taylor <iant@google.com>
2989 * object.h (class Object): Remove target_ field, and target,
2990 sized_target, and set_target methods.
2991 (Object::sized_target): Remove.
2992 (class Sized_relobj): Update declarations. Remove sized_target.
2993 * object.cc (Sized_relobj::setup): Remove target parameter.
2995 (Input_objects::add_object): Don't do anything with the target.
2996 (make_elf_sized_object): Add punconfigured parameter. Change all
2997 callers. Set or test parameter target.
2998 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
3000 * parameters.cc (Parameters::set_target): Change parameter type to
3002 (Parameters::default_target): Remove.
3003 (set_parameters_target): Change parameter type to be non-const.
3004 (parameters_force_valid_target): New function.
3005 (parameters_clear_target): New function.
3006 * parameters.h (class Parameters): Update declarations. Remove
3007 default_target method. Add sized_target and clear_target
3008 methods. Change target_ to be non-const.
3009 (set_parameters_target): Update declaration.
3010 (parameters_force_valid_target): Declare.
3011 (parameters_clear_target): Declare.
3012 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
3013 as NULL if we aren't searching.
3014 (Add_symbols::run): Don't check for compatible target.
3015 * fileread.cc (Input_file::open_binary): Call
3016 parameters_force_valid_target.
3017 * gold.cc (queue_middle_tasks): Likewise.
3018 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
3019 set_target on object.
3020 * dynobj.h (class Sized_dynobj): Update declarations.
3021 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
3022 make_elf_object returns NULL.
3023 (Archive::include_member): Don't check whether object target is
3025 * output.cc (Output_section::add_input_section): Get target from
3027 (Output_section::relax_input_section): Likewise.
3028 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
3030 (Sized_relobj::do_scan_relocs): Likewise.
3031 (Sized_relobj::relocate_sections): Likewise.
3032 * resolve.cc (Symbol_table::resolve): Likewise.
3033 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
3034 parameter. Change all callers.
3035 (Symbol_table::add_from_object): Get target from parameters.
3036 (Symbol_table::add_from_relobj): Don't check object target.
3037 (Symbol_table::add_from_dynobj): Likewise.
3038 (Symbol_table::define_special_symbol): Get target from
3040 * symtab.h (class Symbol_table): Update declaration.
3041 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3042 parameter. Change all callers. Clear parameter target.
3043 (Binary_test): Test target here.
3044 * testsuite/object_unittest.cc (gold_testsuite): Remove
3045 target_test_pointer parameter. Change all callers.
3046 (Object_test): Test target here.
3048 2009-09-26 Ian Lance Taylor <iant@google.com>
3050 * testsuite/initpri1.c: Don't try to use constructor priorities if
3051 compiling with gcc before 4.3.
3053 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
3055 * testsuite/retain_symbols_file_test.sh (check_present): Change
3056 output file name to retain_symbols_file_test.stdout.
3057 (check_absent): Likewise.
3059 2009-09-18 Craig Silverstein <csilvers@google.com>
3061 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3062 * options.cc: Include <cerrno> and <fstream>.
3063 (General_options::finalize): Parse -retain-symbols-file tag.
3064 * options.h: New flag.
3065 (General_options): New method should_retain_symbol, new
3066 variable symbols_to_retain.
3067 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3068 should_retain_symbol map.
3069 * testsuite/Makefile.am (retain_symbols_file_test): New test.
3070 * testsuite/Makefile.in: Regenerate.
3071 * testsuite/retain_symbols_file_test.sh: New file.
3073 2009-09-18 Nick Clifton <nickc@redhat.com>
3075 * po/es.po: Updated Spanish translation.
3077 2009-09-17 Doug Kwan <dougkwan@google.com>
3079 * debug.h (DEBUG_RELAXATION): New constant.
3080 (DEBUG_ALL): Add DEBUG_RELAXATION.
3081 (debug_string_to_enum): Add relaxation debug option.
3083 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3084 Layout::Relaxation_debug_check::read_sections,
3085 Layout::Relaxation_debug_check::read_sections): New method definitions.
3086 (Layout::Layout): Initialize data members
3087 record_output_section_data_from_scrips_,
3088 script_output_section_data_list_ and relaxation_debug_check_.
3089 (Layout::save_segments, Layout::restore_segments,
3090 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3091 Layout::relaxation_loop_body): New method definitions.
3092 (Layout::finalize): Support relaxation. Move section layout code to
3093 Layout::relaxation_loop_body.
3094 (Layout::set_asection_address_from_script): Move code for orphan
3095 section placement out.
3096 (Layout::place_orphan_sections_in_script): New method definition.
3097 * layout.h (Output_segment_headers, Output_file_header):
3098 New forward class declarations.
3099 (Layout::~Layout): Define.
3100 (Layout::new_output_section_data_from_script): New method definition.
3101 (Layout::place_orphan_sections_in_script): New method declaration.
3102 (Layout::Segment_states): New type declaration.
3103 (Layout::save_segments, Layout::restore_segments,
3104 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3105 Layout::relaxation_loop_body): New method declarations.
3106 (Layout::Output_section_data_list): New type declaration.
3107 (Layout::Relaxation_debug_check): New class definition.
3108 (Layout::record_output_section_data_from_script_,
3109 Layout::script_output_section_data_list_, Layout::segment_states_,
3110 Layout::relaxation_debug_check_): New data members.
3111 * output.cc: (Output_section_headers::do_size): New method definition.
3112 (Output_section_headers::Output_section_headers): Move size
3113 computation to Output_section_headers::do_size.
3114 (Output_segment_headers::do_size): New method definition.
3115 (Output_file_header::Output_file_header): Move size computation to
3116 Output_file_header::do_size and call it.
3117 (Output_file_header::do_size): New method definition.
3118 (Output_data_group::Output_data_group): Adjust call to
3119 Output_section_data.
3120 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3121 (Output_symtab_xindex::do_write): Add array bound check.
3122 (Output_section::Input_section::print_to_mapfile): Handle
3123 RELAXED_INPUT_SECTION_CODE.
3124 (Output_section::Output_section): Initialize data member checkpoint_.
3125 (Output_section::~Output_section): Delete checkpoint object pointed
3127 (Output_section::add_input_section): Always add an Input_section if
3129 (Output_section::add_merge_input_section): Add assert.
3130 (Output_section::relax_input_section): New method definition.
3131 (Output_section::set_final_data_size): Set load address to zero for
3132 an unallocated section.
3133 (Output_section::do_address_and_file_offset_have_reset_values):
3134 New method definition.
3135 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3136 Handle relaxed input section.
3137 (Output_section::sort_attached_input_sections): Checkpoint input
3138 section list lazily.
3139 (Output_section::get_input_sections): Change type of input_sections to
3140 list of Simple_input_section pointers. Checkpoint input section list
3141 lazily. Also handle relaxed input sections.
3142 (Output_section::add_input_section_for_script): Take a reference to
3143 a Simple_input_section object instead of Relobj pointer and section
3144 index as parameter. Handle relaxed input sections.
3145 (Output_section::save_states, Output_section::restore_states): New
3147 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3148 (Output_data::is_data_size_fixed): New method definition.
3149 (Output_data::reset_addresss_and_file_offset): Do not reset data size
3151 (Output_data::address_and_file_offset_have_reset_values): New method
3153 (Output_data::do_address_and_file_offset_have_reset_values): New method
3155 (Output_data::set_data_size): Check that data size is not fixed.
3156 (Output_data::fix_data_size): New method definition.
3157 (Output_data::is_data_size_fixed_): New data member.
3158 (Output_section_headers::set_final_data_size): New method definition.
3159 (Output_section_headers::do_size): New method declaration.
3160 (Output_segment_headers::set_final_data_size): New method definition.
3161 (Output_segment_headers::do_size): New method declaration.
3162 (Output_file_header::set_final_data_size)::New method definition.
3163 (Output_file_header::do_size)::New method declaration.
3164 (Output_section_data::Output_section_data): Add new parameter
3165 is_data_size_fixed and use it to fix data size.
3166 (Output_data_const::Output_data_const): Adjust call to base class
3167 constructor and fix data size.
3168 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3169 base class constructor and fix data size.
3170 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3171 base class constructor and fix data size.
3172 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3173 class constructor and fix data size.
3174 (Output_data_group::set_final_data_size): New method definition.
3175 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3176 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3177 class constructor and fix data size.
3178 (Output_relaxed_input_section): New class definition.
3179 (Output_section::Simple_input_section): New class definition.
3180 (Output_section::get_input_sections): Adjust parameter list.
3181 (Output_section::add_input_section_for_script): Same.
3182 (Output_section::save_states, Output_section::restore_states,
3183 Output_section::do_address_and_file_offset_have_reset_values,
3184 (Output_section::Input_section::Input_section): Handle
3185 RELAXED_INPUT_SECTION_CODE. Add new overload for
3186 Output_relaxed_input_section.
3187 (Output_section::Input_section::is_input_section,
3188 Output_section::Input_section::set_output_section): Handle relaxed
3190 (Output_section::Input_section::is_relaxed_input_section,
3191 Output_section::Input_section::output_section_data,
3192 Output_section::Input_section::relaxed_input_section): New method
3194 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3196 (Output_section::Input_section::u1_): Update comments.
3197 (Output_section::Input_section::u2_): Add new union member poris.
3198 (Output_section::Checkpoint_output_section): New classs definition.
3199 (Output_section::relax_input_section): New method declaration.
3200 (Output_section::checkpoint_): New data member.
3201 (Output_segment): Update comments.
3202 (Output_segment::Output_segment): Un-privatize copy constructor.
3203 (Output_segment::operator=): Un-privatize.
3204 * script-sections.cc (Output_section_element::Input_section_list):
3205 Change element type to Output_section::Simple_input_section.
3206 (Output_section_element_dot_assignment::set_section_addresses):
3207 Register output section data for relaxation clean up.
3208 (Output_data_exression::Output_data_expression): Adjust call to base
3209 constructor to fix data size.
3210 (Output_section_element_data::set_section_addresses): Register
3211 Output_data_expression object for relaxation clean up.
3212 (struct Input_section_info): Replace Relobj pointer and section index
3213 pair with Output_section::Simple_input_section and Convert struct to a
3215 (Input_section_sorter::operator()): Adjust access to
3216 Input_section_info data member to use accessors.
3217 (Output_section_element_input::set_section_addresses): Use layout
3218 parameter. Adjust code to use Output_section::Simple_input_section
3219 and Input_secction_info classes. Register filler for relaxation
3221 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3222 and section index pair with Output_section::Simple_input_section
3223 class. Adjust code accordingly.
3224 (Phdrs_element::release_segment): New method definition.
3225 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3227 (Script_sections::release_segments): New method definition.
3228 * gold/script-sections.h (Script_sections::release_segments): New
3230 * gold/target.h (Target::may_relax, Target::relax,
3231 Target::do_may_relax, Target::do_relax): New method definitions.
3233 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3235 * arm.cc (has_signed_unsigned_overflow): New function.
3236 (Arm_relocate_functions::abs8): New function.
3237 (Target_arm::Scan::local): Handle R_ARM_ABS8.
3238 (Target_arm::Scan::global): Likewise.
3239 (Target_arm::relocate::relocate): Likewise.
3240 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3243 2009-09-16 Cary Coutant <ccoutant@google.com>
3245 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3246 * testsuite/Makefile.in: Regenerate.
3248 2009-09-11 Nick Clifton <nickc@redhat.com>
3250 * po/gold.pot: Updated by the Translation project.
3252 2009-09-08 Cary Coutant <ccoutant@google.com>
3254 * output.cc (Output_file::open): Add execute permission to empty file.
3255 * testsuite/Makefile.am (permission_test): New test.
3256 * testsuite/Makefile.in: Regenerate.
3258 2009-09-02 Ian Lance Taylor <iant@google.com>
3260 * output.cc (Output_file::resize): Call map_no_anonymous rather
3263 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
3265 * gold.cc: Include "incremental.h".
3266 (queue_initial_tasks): Call Incremental_checker methods.
3267 * incremental.cc: Include "output.h".
3268 (Incremental_checker::can_incrementally_link_output_file): New
3270 * incremental.h (Incremental_checker): New class.
3272 * output.cc (Output_file::open_for_modification): New method.
3273 (Output_file::map_anonymous): Changed return type to bool. Record
3275 (Output_file::map_no_anonymous): New method, broken out of map.
3276 (Output_file::map): Use map_no_anonymous and map_anonymous.
3277 * output.h (class Output_file): Update declarations.
3279 2009-08-24 Cary Coutant <ccoutant@google.com>
3281 * options.h (Command_line::Pre_options): New class.
3282 (Command_line::pre_options): New member.
3283 * options.cc (gold::options::ready_to_register): New variable.
3284 (One_option::register_option): Do nothing if not registering options.
3285 Assert if same short option registered twice.
3286 (General_options::General_options): Turn off option registration when
3288 (Command_line::Pre_options::Pre_options): New constructor.
3290 2009-08-24 Cary Coutant <ccoutant@google.com>
3292 * options.h (General_options::no_keep_memory): Remove incorrect
3295 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3297 * Makefile.am (am__skiplex, am__skipyacc): New.
3298 * Makefile.in: Regenerate.
3300 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3302 * Makefile.am (AM_CPPFLAGS): Renamed from ...
3303 (INCLUDES): ... this.
3304 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3305 (AM_CPPFLAGS): Renamed from ...
3306 (INCLUDE): ... this.
3307 * Makefile.in, testsuite/Makefile.in: Regenerate.
3309 * Makefile.in: Regenerate.
3310 * aclocal.m4: Likewise.
3311 * config.in: Likewise.
3312 * configure: Likewise.
3313 * testsuite/Makefile.in: Likewise.
3315 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3316 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3317 * Makefile.in: Regenerate.
3318 * testsuite/Makefile.in: Regenerate.
3320 2009-08-19 Cary Coutant <ccoutant@google.com>
3322 * resolve.cc (Symbol_table::resolve): Don't complain about defined
3323 symbols in shared libraries overridden by hidden or internal symbols
3324 in the main program.
3326 2009-08-19 Chris Demetriou <cgd@google.com>
3328 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3329 checking source file names in error messages.
3331 2009-08-18 Doug Kwan <dougkwan@google.com>
3333 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3334 an elcpp::Ehdr as parameter. Adjust call to set_target.
3335 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3336 an elfcpp::Ehdr as parameter.
3337 * object.cc (Object::set_target): Remove the version that looks up
3338 a target and sets it.
3339 (Sized_relobj::setup): Take a Target object instead of
3340 an elfcpp::Ehdr as parameter. Adjust call to set_target.
3341 (make_elf_sized_object): Find target and ask target to
3343 * object.h: (Object::set_target): Remove the version that looks up
3344 a target and sets it.
3345 (Sized_relobj::setup): Take a Target object instead of
3346 an elfcpp:Ehdr as parameter.
3347 * target.cc: Include dynobj.h.
3348 (Target::do_make_elf_object_implementation): New.
3349 (Target::do_make_elf_object): New.
3350 * target.h (Target::make_elf_object): New template declaration.
3351 (Target::do_make_elf_object): New method declarations.
3352 (Target::do_make_elf_object_implementation): New template declaration.
3354 2009-08-14 Ian Lance Taylor <iant@google.com>
3356 * gold.h (FUNCTION_NAME): Define.
3357 (gold_unreachable): Use FUNCTION_NAME.
3359 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3361 * icf.cc (Icf::find_identical_sections): Issue a warning when a
3362 symbol in the --keep-unique list is not found.
3364 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3366 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3367 been maked as --keep-unique.
3368 (Icf::unfold_section): New function.
3369 * icf.h (Icf::unfold_section): New function.
3370 * options.h (General_options::keep_unique): New option.
3371 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3372 * testsuite/Makefile.in: Regenerate.
3373 * testsuite/icf_keep_unique_test.sh: New file.
3374 * testsuite/icf_keep_unique_test.cc: New file.
3376 2009-08-12 Cary Coutant <ccoutant@google.com>
3379 * resolve.cc (Symbol_table::resolve): Check for references from
3380 dynamic objects to hidden and internal symbols.
3381 * testsuite/Makefile.am (hidden_test.sh): New test.
3382 * testsuite/Makefile.in: Regenerate.
3383 * testsuite/hidden_test.sh: New script.
3384 * testsuite/hidden_test_1.c: New test source.
3385 * testsuite/hidden_test_main.c: New test source.
3387 2009-08-11 Doug Kwan <dougkwan@google.com>
3389 * arm.cc: Update comments.
3390 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3391 segment to locate the .ARM.exidx section if present.
3393 2009-08-09 Doug Kwan <dougkwan@google.com>
3395 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3398 2009-08-07 Sriraman Tallam <tmsriram@google.com>
3399 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3402 2009-08-06 Sriraman Tallam <tmsriram@google.com>
3404 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3405 valid tls_segment only for non-debug-section relocations.
3406 * testsuite/Makefile.am: Add gc_tls_test.
3407 * testsuite/Makefile.in: Regenerate.
3408 * testsuite/gc_tls_test.cc: New file.
3409 * testsuite/gc_tls_test.sh: New file.
3411 2009-08-05 Sriraman Tallam <tmsriram@google.com>
3415 * Makefile.am (CCFILES): Add icf.cc.
3417 * Makefile.in: Regenerate.
3418 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3419 * gc.h (gc_process_relocs): Populate lists used by icf to contain
3420 section, symbol and addend information for the relocs.
3421 * gold.cc (queue_middle_tasks): Call identical code folding.
3422 * gold.h: Add defines for multimap.
3423 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3424 to the call of finalize_local_symbols.
3425 * main.cc (main): Create object of class Icf.
3426 * object.cc (Sized_relobj::do_layout): Allow this function to be
3427 called twice during icf.
3428 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3429 to sections marked as identical by icf.
3430 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3432 (Sized_relobj::do_section_entsize): New function.
3433 * object.h (Object::section_entsize): New function.
3434 (Object::do_section_entsize): New pure virtual function.
3435 (Relobj::finalize_local_symbols): Add new parameter.
3436 (Relobj::do_section_entsize): New function.
3437 * options.h (General_options::icf): New option.
3438 (General_options::icf_iterations): New option.
3439 (General_options::print_icf_sections): New option.
3440 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3441 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3442 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3444 * symtab.cc (Symbol_table::is_section_folded): New function.
3445 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
3446 to sections marked as identical by icf.
3447 * symtab.h (Symbol_table::set_icf): New function.
3448 (Symbol_table::icf): New function.
3449 (Symbol_table::is_section_folded): New function.
3450 (Symbol_table::icf_): New data member.
3451 * target-reloc.h (relocate_section): Ignore sections folded by icf.
3452 * testsuite/Makefile.am: Add commands to build icf_test.
3453 * testsuite/Makefile.in: Regenerate.
3454 * testsuite/icf_test.sh: New file.
3455 * testsuite/icf_test.cc: New file.
3457 2009-07-24 Chris Demetriou <cgd@google.com>
3459 * layout.cc (is_compressible_debug_section): Fix incorrect
3460 comment about compressed section names.
3462 2009-07-20 Ian Lance Taylor <ian@airs.com>
3465 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3467 2009-07-16 Ian Lance Taylor <iant@google.com>
3470 * layout.h: #include <map>.
3471 (class Kept_section): Change from struct to class. Add accessors
3472 and setters. Add section size to Comdat_group mapping. Change
3473 Comdat_group to std::map. Add is_comdat_ field. Add
3474 linkonce_size field in union.
3475 (class Layout): Update declaration of find_or_add_kept_section.
3476 Don't declare find_kept_object.
3477 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3478 parameter. Add object, shndx, is_comdat, and is_group_name
3479 parameters. Change all callers. Adjust for new Kept_section.
3480 (Layout::find_kept_object): Remove.
3481 * object.cc (Sized_relobj::include_section_group): Update use of
3482 Kept_section. Rename secnum to shndx. Only record
3483 Kept_comdat_section if sections are the same size.
3484 (Sized_relobj::include_linkonce_section): Update use of
3485 Kept_section. Only record Kept_comdat_section if sections are the
3486 same size. Set size of linkonce section.
3487 (Sized_relobj::map_to_kept_section): Update call to
3488 get_kept_comdat_section.
3489 * object.h (class Sized_relobj): Rename fields in
3490 Kept_comdat_section to drop trailing underscores; change object
3491 field to Relobj*. Change Kept_comdat_section_table to store
3492 struct rather than pointer.
3493 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3494 Add kept_object and kept_shndx parameters. Change all callers.
3495 (Sized_relobj::get_kept_comdat_section): Change return type to
3496 bool. Add kept_object and kept_shndx parameters. Change all
3498 * plugin.cc (Pluginobj::include_comdat_group): Update call to
3499 Layout::find_or_add_kept_section.
3501 2009-07-09 Ian Lance Taylor <iant@google.com>
3503 * merge.cc (Object_merge_map::initialize_input_to_output_map):
3504 Reserve space in the hash table.
3506 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
3508 * fileread.cc (File_read::get_mtime): New method.
3509 * fileread.h (Timespec): New structure.
3510 (File_read::get_mtime): New method.
3511 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3512 Renamed from timestamp_nsec.
3513 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3515 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3517 (Incremental_inputs::report_archive): Save mtime; style fix.
3518 (Incremental_inputs::report_obejct): Save mtime; style fix.
3519 (Incremental_inputs::report_script): Save mtime; style fix.
3520 (Incremental_inputs::finalize_inputs): Style fix.
3521 (Incremental_inputs::finalize): Style fix.
3522 (Incremental_inputs::create_input_section_data): Store inputs
3524 * incremental.h (Incremental_inputs::report_script): Add mtime
3526 (Incremental_inputs::Input_info::Input_info): Intialize only one
3528 (Incremental_inputs::Input_info::archive): Move to nameless
3530 (Incremental_inputs::Input_info::obejct): Move to nameless union.
3531 (Incremental_inputs::Input_info::script): Move to nameless union.
3532 (Incremental_inputs::mtime): New field.
3533 * script.cc (read_input_script): Pass file mtime to
3535 * script.h (Script_info::inputs): Style fix.
3537 2009-07-01 Ian Lance Taylor <ian@airs.com>
3539 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3542 2009-06-24 Ian Lance Taylor <iant@google.com>
3545 * layout.cc (Layout::choose_output_section): If we find an
3546 existing section, update the flags.
3547 (Layout::create_notes): New function, broken out of
3549 (Layout::finalize): Don't create note sections.
3550 (Layout::create_note): Don't crash if linker script discards
3552 (Layout::create_gold_note): Likewise.
3553 (Layout::create_build_id): Likewise. Don't set
3554 after_input_sections on the section.
3555 (Layout::create_executable_stack_info): Remove target parameter.
3557 * layout.h (class Layout): Declare create_notes. Update
3558 declaration of create_executable_stack_info.
3559 * gold.cc (queue_middle_tasks): Call create_notes.
3560 * output.cc (Output_section::update_flags_for_input_section): Move
3561 here from output.h. If SHF_ALLOC flag is newly set, mark address
3563 * output.h (Output_data::mark_address_invalid): New function.
3564 (class Output_section): Only declare, not define,
3565 update_flags_for_input_section. Remove set_flags.
3567 2009-06-24 Ian Lance Taylor <iant@google.com>
3569 * script-sections.cc (Output_section_definition::
3570 set_section_addresses): Rename shadowing local load_address to
3573 2009-06-24 Ian Lance Taylor <iant@google.com>
3576 * reloc.cc (relocate_sections): Skip empty relocation sections.
3578 2009-06-23 Ian Lance Taylor <iant@google.com>
3581 * layout.cc (Layout::create_note): Use choose_output_section
3582 rather than make_output_section.
3584 2009-06-23 Ian Lance Taylor <iant@google.com>
3587 * options.cc (General_options::parse_V): Set printed_version_.
3588 (General_options::General_options): Initialize printed_version_.
3589 * options.h (class General_options): Add printed_version_ field.
3590 * gold.cc (queue_initial_tasks): If there are no input files,
3591 don't give a fatal error if we printed the version information.
3592 (queue_middle_tasks): If using -r with a shared object, give a
3593 fatal error rather than an ordinary error.
3595 2009-06-23 Ian Lance Taylor <iant@google.com>
3598 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3599 (Layout::make_output_section): Set have_stabstr_section_ if we see
3600 a .stab*str section.
3601 (Layout::finalize): Call link_stabs_sections.
3602 (Layout::link_stabs_sections): New file.
3603 * layout.h (class Layout): Add have_stabstr_section_ field.
3604 Declare link_stabs_sections.
3606 2009-06-23 Doug Kwan <dougkwan@google.com>
3608 * Makefile.am (libgold_a_LIBADD): New.
3609 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3610 * Makefile.in: Regenerate.
3611 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3612 * configure: Regenerate.
3613 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3614 * fileread.cc: Include sys/state.h
3615 * gold.h: Declare memmem and strndup if found missing.
3616 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3618 2009-06-23 Ian Lance Taylor <iant@google.com>
3620 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3621 * configure: Rebuild.
3623 2009-06-23 Ian Lance Taylor <iant@google.com>
3626 * object.cc (Object::section_contents): Don't try to get a view if
3627 the section has length zero.
3628 (Object::handle_gnu_warning_section): If the section is empty, use
3629 the name of the section as the warning.
3631 2009-06-23 Ian Lance Taylor <iant@google.com>
3634 * stringpool.h (class Stringpool_template): Add optimize_ field.
3635 (Stringpool_template::set_optimize): New function.
3636 * stringpool.cc (Stringpool_template::Stringpool_template):
3637 Initialize optimize_ field.
3638 (Stringpool_template::set_string_offsets): Test local optimize
3639 fild rather than parameter.
3640 * layout.cc (Layout::Layout): Call set_optimize on the section
3643 2009-06-22 Ian Lance Taylor <iant@google.com>
3646 * yyscript.y: Parse TARGET.
3647 * script.cc (script_set_target): New function.
3648 * script-c.h (script_set_target): Declare.
3649 * options.cc (General_options::string_to_object_format): Rename
3650 from string_to_object_format in anonymous namespace. Change
3652 * options.h (class General_options): Declare
3653 string_to_object_format.
3655 2009-06-22 Ian Lance Taylor <iant@google.com>
3657 * script-sections.cc (Script_sections::create_segments): Don't put
3658 program headers in a PT_LOAD segment if -n or -N.
3660 2009-06-22 Ian Lance Taylor <iant@google.com>
3663 * options.h (class General_options): Add -z lazy and -z now. Sort
3664 -z options into alphabetical order.
3665 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3667 2009-06-21 Ian Lance Taylor <iant@google.com>
3669 * layout.cc (Layout::make_output_section): Call
3670 Target::new_output_section.
3671 (Layout::attach_allocated_section_to_segment): Put large section
3672 sections in a separate load segment with the large segment flag
3674 (Layout::segment_precedes): Sort large data segments after other
3676 (align_file_offset): New static function.
3677 (Layout::set_segment_offsets): Use align_file_offset.
3678 * output.h (class Output_section): Add is_small_section_ and
3679 is_large_section_ fields.
3680 (Output_section::is_small_section): New function.
3681 (Output_section::set_is_small_section): New function.
3682 (Output_section::is_large_section): New function.
3683 (Output_section::set_is_large_section): New function.
3684 (Output_section::is_large_data_section): New function.
3685 (class Output_segment): Add is_large_data_segment_ field.
3686 (Output_segment::is_large_data_segment): New function.
3687 (Output_segment::set_is_large_data_segment): New function.
3688 * output.cc (Output_section::Output_section): Initialize new
3690 (Output_segment::Output_segment): Likewise.
3691 (Output_segment::add_output_section): Add assertion that large
3692 data sections always go in large data segments. Force small data
3693 sections to the end of the list of data sections. Force small BSS
3694 sections to the start of the list of BSS sections. For large BSS
3695 sections to the end of the list of BSS sections.
3696 * symtab.h (class Symbol): Declare is_common_shndx.
3697 (Symbol::is_defined): Check Symbol::is_common_shndx.
3698 (Symbol::is_common): Likewise.
3699 (class Symbol_table): Define enum Commons_section_type. Update
3700 declarations. Add small_commons_ and large_commons_ fields.
3701 * symtab.cc (Symbol::is_common_shndx): New function.
3702 (Symbol_table::Symbol_table): Initialize new fields.
3703 (Symbol_table::add_from_object): Put small and large common
3704 symbols in the right list.
3705 (Symbol_table::sized_finalized_symbol): Check
3706 Symbol::is_common_shndx.
3707 (Symbol_table::sized_write_globals): Likewise.
3708 * common.cc (Symbol_table::do_allocate_commons): Allocate new
3709 common symbol lists. Don't call do_allocate_commons_list if the
3711 (Symbol_table::do_allocate_commons_list): Remove is_tls
3712 parameter. Add comons_section_type parameter. Change all
3713 callers. Handle small and large common symbols.
3714 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3715 Symbol::is_common_shndx.
3716 * resolve.cc (symbol_to_bits): Likewise.
3717 * target.h (Target::small_common_shndx): New function.
3718 (Target::small_common_section_flags): New function.
3719 (Target::large_common_shndx): New function.
3720 (Target::large_common_section_flags): New function.
3721 (Target::new_output_section): New function.
3722 (Target::Target_info): Add small_common_shndx, large_common_shndx,
3723 small_common_section_flags, and large_common_section_flags
3725 (Target::do_new_output_section): New virtual function.
3726 * arm.cc (Target_arm::arm_info): Initialize new fields.
3727 * i386.cc (Target_i386::i386_info): Likewise.
3728 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3730 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3731 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3732 (Target_x86_64::do_new_output_section): New function.
3733 * configure.ac: Define conditional MCMODEL_MEDIUM.
3734 * testsuite/Makefile.am (check_PROGRAMS): Add large.
3735 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3736 (large_LDFLAGS): Define.
3737 * testsuite/large.c: New file.
3738 * testsuite/testfile.cc (Target_test::test_target_info):
3739 Initialize new fields.
3740 * configure, testsuite/Makefile.in: Rebuild.
3742 2009-06-05 Doug Kwan <dougkwan@google.com>
3744 * Makefile.am (CCFILES): Add target.cc.
3745 * Makefile.in: Regenerate.
3746 * i386.cc (class Target_i386): Define new virtual method to
3747 override do_is_local_label_name in parent.
3748 * object.cc (Sized_relobj::do_count_local_symbols): Discard
3749 local symbols if --discard-locals or -X is given.
3750 * options.h (class General_options): Declare new options
3751 '--discard-locals' and '-X' for discarding locals.
3752 * target.h (class Target): Define new methods is_local_label_name.
3753 Declare new virtual method do_is_local_label_name.
3754 * target.cc: New file.
3755 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3756 (check_SCRIPTS): Add discard_locals_test.sh.
3757 (check_DATA): Add discard_local_tests.syms.
3758 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3759 (discard_local_tests.syms, discard_locals_test.o): New make rules.
3760 * testsuite/Makefile.in: Regenerate.
3761 * testsuite/discard_locals_test.c: New file.
3762 * testsuite/discard_locals_test.sh: Same.
3764 2009-06-05 Doug Kwan <dougkwan@google.com>
3766 * object.cc (Sized_relobj::Sized_relobj): Initialize
3767 discarded_eh_frame_shndx_ to -1U.
3768 (Sized_relobj::do_layout): Record index of a discard .eh_frame
3770 (Sized_relobj::do_count_local_symbols): Skip local symbols in
3771 a discarded .eh_frame section.
3772 (Sized_relobj::do_finalize_local_symbols): Ditto.
3773 * object.h (class Sized_relobj): Declare new member
3774 discarded_eh_frame_shndx_.
3775 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3776 (local_labels_test.o, local_labels_test): New rules.
3777 * testsuite/Makefile.in: Regenerate.
3779 2009-06-04 Doug Kwan <dougkwan@google.com>
3781 * layout.cc (Layout::section_name_mapping): Add mapping for
3782 special ARM sections.
3784 2009-06-03 Doug Kwan <dougkwan@google.com>
3786 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3787 (utils::has_overflow): Same.
3789 2009-06-03 Ian Lance Taylor <iant@google.com>
3791 * layout.cc (Layout::section_name_mapping): New array, replacing
3792 Layout::linkonce_mapping.
3793 (Layout::section_name_mapping_count): New variable, replacing
3794 Layout::linkonce_mapping_count.
3795 (Layout::linkonce_output_name): Remove.
3796 (Layout::output_section_name): Rewrite.
3797 * layout.h (class Layout): Rename Linkonce_mapping to
3798 Section_name_mapping, linkonce_mapping to section_name_mapping,
3799 linkonce_mapping_count to section_name_mapping_count. Don't
3800 declare linkonce_output_name.
3802 2009-06-03 Doug Kwan <dougkwan@google.com>
3804 * gold/arm.cc (namespace utils): New.
3805 (Target_arm::reloc_is_non_pic): Define new method.
3806 (class Arm_relocate_functions): New.
3807 (Target_arm::Relocate::relocate): Handle relocation types used by
3810 2009-06-03 Ian Lance Taylor <iant@google.com>
3812 * arm.cc (Target_arm::scan::global): Use || instead of |.
3814 2009-06-02 Doug Kwan <dougkwan@google.com>
3816 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
3817 issued_non_pic_error_.
3818 (class Target_arm::Scan): Declare new method check_non_pic.
3819 Define new method symbol_needs_plt_entry.
3820 Declare new data member issued_non_pic_error_.
3821 (class Target_arm::Relocate): Declare new method
3822 should_apply_static_reloc.
3823 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3824 (Target_arm::Scan::check_non_pic): Define new method.
3825 (Target_arm::Scan::local): Handle a small subset of reloc types used
3827 (Target_arm::Scan::local): Same.
3828 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3830 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
3832 * incremental.cc (Incremental_inputs::report_command_line): Filter
3833 out --incremental-* options.
3835 2009-05-29 Doug Kwan <dougkwan@google.com>
3837 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3839 (class Target_arm): Update comment.
3840 (Target_arm::Target_arm): Initialize new data members GOT_,
3841 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3842 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3843 and Target_arm::rel_dyn_section.
3844 Declare new_enum Target_arm::Got_type.
3845 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3847 Update commments for member do_dynsym_value.
3848 (Target_arm::got_size, Target_arm::plt_section,
3849 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3850 new methods inside class defintion.
3851 (Target_arm::got_section): Define new method.
3852 (Target_arm::rel_dyn_section): Same.
3853 (Output_data_plt_arm): New template class.
3854 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3855 (Output_data_plt_arm:do_adjust_output_section): Define new method.
3856 (Output_data_plt_arm::add_entry): Same.
3857 (Output_data_plt_arm::first_plt_entry): Define new
3858 static data member for PLT instruction template.
3859 (Output_data_plt_arm::plt_entry): Same.
3860 (Output_data_plt_arm::do_write): Define new method.
3861 (Target_arm::make_plt_entry): Same.
3862 (Target_arm::do_finalize_sections): Same.
3863 (Target_arm::do_dynsym_value): Same.
3865 2009-05-28 Doug Kwan <dougkwan@google.com>
3867 * Makefile.am (TARGETSOURCES): Add arm.cc.
3868 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3869 * Makefile.in: Regenerate.
3871 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3873 2009-05-26 Doug Kwan <dougkwan@google.com>
3875 * options.cc (General_options::parse_exclude_libs). Fix a comment.
3876 (General_options::check_excluded_libs): Strip off directories in
3877 archive name before matching like GNU ld does.
3878 * testsuite/Makefile.am (MOSTLYCLEANFILES,
3879 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3880 (exclude_libs_test_LDFLAGS): Add linker option
3881 -Wl,--exclude-libs,libexclude_libs_test_3
3882 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3883 an explicit archive without using -l.
3884 (alt/libexclude_libs_test_3.a): New make rule.
3885 * testsuite/Makefile.in: Regenerate.
3886 * testsuite/exclude_libs_test.c : Declare lib3_default().
3888 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3889 * exclude_libs_test_3.c: New file.
3891 2009-05-26 Nick Clifton <nickc@redhat.com>
3893 * po/id.po: New Indonesian translation.
3894 * po/gold.pot: Updated template file.
3896 2009-05-22 Sriraman Tallam <tmsriram@google.com>
3898 * testsuite/Makefile.am: Add -ffunction-sections to compile
3899 gc_comdat_test files. Add -Wl,--gc-sections to build
3901 * testsuite/Makefile.in: Regenerate.
3902 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3904 2009-05-21 Sriraman Tallam <tmsriram@google.com>
3906 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3907 kept comdat section was garbage collected.
3908 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3909 * testsuite/Makefile.in: Regenerate.
3910 * testsuite/gc_comdat_test.sh: New file.
3911 * testsuite/gc_comdat_test_1.cc: New file.
3912 * testsuite/gc_comdat_test_2.cc: New file.
3914 2009-05-19 Doug Kwan <dougkwan@google.com>
3916 * archive.cc (Archive::Archive): Move constructor from archive.h
3917 to here. Initialize no_export_.
3918 (Archive::get_elf_object_for_member): Set no_export flag of object.
3919 * archive.h (Archive::Archive): Move constructor body to
3921 (Archive::no_export): New method.
3922 (Archive::no_export_): New field.
3923 * object.h (Object::Object): Initialize no_export_ to false.
3924 (Object::no_export, Object::set_no_export): New methods.
3925 (Object::no_export_): New field.
3926 * options.cc (General_options::parse_exclude_libs): New method.
3927 (General_options::check_excluded_libs) Same.
3928 * options.h (exclude_libs): New option.
3929 (General_options::check_excluded_libs): New method declaration.
3930 (General_options::excluded_libs_): New field.
3931 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3932 default or protected visibility if an object has no-export flag set.
3933 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3934 (check_SCRIPTS): Add exclude_libs_test.sh.
3935 (check_DATA): Add exclude_libs_test.syms.
3936 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3937 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3938 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3939 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3940 (exclude_libs_test.syms, libexclude_libs_test_1.a,
3941 libexclude_libs_test_2.a): New rules.
3942 * testsuite/Makefile.in: Regenerate.
3943 * testsuite/exclude_libs_test.c: New file.
3944 * testsuite/exclude_libs_test.sh: Ditto.
3945 * testsuite/exclude_libs_test_1.c: Ditto.
3946 * testsuite/exclude_libs_test_2.c: Ditto.
3948 2009-05-15 Ian Lance Taylor <iant@google.com>
3950 * configure.ac: Check for declarations for cases where libiberty.h
3951 checks HAVE_DECL_xxx.
3952 * configure, config.in: Rebuild.
3954 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
3956 * gold.h (Incremental_argument_list): Remove (invalid) forward
3958 * incremental.cc (Incremental_inputs::report_achive): New method.
3959 (Incremental_inputs::report_object): New method.
3960 (Incremental_inputs::report_script): New method.
3961 (Incremental_inputs::finalize_inputs): New method.
3962 (Incremental_inputs::finalize): Call finalize_inputs().
3963 (Incremental_inputs::sized_create_incremental_inputs_section_data):
3964 Create inputs entries.
3965 * incremental.h (Incremental_input_type): New enum.
3966 (Incremental_inputs::Incremental_input): Initialize new fields.
3967 (Incremental_inputs::report_inputs): New method.
3968 (Incremental_inputs::report_achive): New method.
3969 (Incremental_inputs::report_object): New method.
3970 (Incremental_inputs::report_script): New method.
3971 (Incremental_inputs::finalize_inputs): New method.
3972 (Incremental_inputs::Input_info): New struct.
3973 (Incremental_inputs::Input_info_map): New typedef.
3974 (Incremental_inputs::lock_): New field.
3975 (Incremental_inputs::Inputs_): New field.
3976 (Incremental_inputs::Inputs_map): New field.
3977 * main.cc (main): Call Incremental_input::report_inputs.
3978 * options.h (Input_argument_list): Typedef moved from
3980 (Input_file_group::Files): Remove, use ::Input_argument_list.
3981 (Input_file_group::Input_argument_list): Remove, use
3982 ::Input_argument_list.
3983 * plugin.cc (Plugin_manager::add_input_file): Add error in
3985 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3987 * script.cc (read_input_script): Call
3988 Incremental_input::report_script.
3989 * script.h (Script_info): New class.
3991 2009-04-27 Ian Lance Taylor <iant@google.com>
3993 * x86_64.cc (do_adjust_output_section): Set entsize to
3996 2009-04-23 Elliott Hughes <enh@google.com>
3998 * output.cc (Output_file::close): After short writes, continue
3999 writing from the correct offset in the buffer being written.
4001 2009-04-23 Chris Demetriou <cgd@google.com>
4003 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
4004 * configure: Regenerate.
4005 * config.in: Regenerate.
4006 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
4007 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
4009 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
4011 * incremental.cc (Incremental_inputs_header_data): Renamed from
4012 Incremental_input_header_data.
4013 (Incremental_inputs_header_data::data_size): New field.
4014 (Incremental_inputs_header_data::put_input_file_count): Renamed
4015 from input_file_count.
4016 (Incremental_inputs_header_data::put_command_line_offset): Renamed
4017 from command_line_offset.
4018 (Incremental_inputs_header_data::put_reserved): Renamed from
4020 (Incremental_inputs_entry_data): Renamed from
4021 Incremental_input_entry_data.
4022 (Incremental_inputs_entry_data::data_size): New field.
4023 (Incremental_inputs::report_command_line): New method.
4024 (Incremental_inputs::finalize): New method.
4025 (Incremental_inputs::create_incremental_inputs_data): New method.
4026 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
4027 * incremental.h: New file.
4028 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
4029 (Layout::finalize): Create incremental inputs section in
4031 (Layout::create_incremental_info_sections): New method.
4032 * layout.h (Layout::incremental_inputs): New method.
4033 (Layout::create_incremental_info_sections): New method.
4034 (Layout::incremental_inputs_): New field.
4035 * main.cc (main): Notify Incremental_input of the command line.
4037 2009-04-01 Ian Lance Taylor <iant@google.com>
4038 Mikolaj Zalewski <mikolajz@google.com>
4040 * gold.h (reserve_unordered_map): Define, three versions, one for
4041 each version of Unordered_map.
4042 * layout.cc (Layout::Layout): Remove options parameter. Add
4043 number_of_input_files parameter. Don't initialize options_.
4044 Initialize number_of_input_files_ and resized_signatures_. Move
4045 sections_are_attached_.
4046 (Layout::layout_group): Reserve space for group_signatures_.
4047 (Layout::find_or_add_kept_section): Change name parameter to be a
4048 reference. Resize signatures_ map when it gets large enough.
4049 (Layout::layout_eh_frame): Use parameters->options() instead of
4051 (Layout::make_output_section): Likewise.
4052 (Layout::attach_allocated_section_to_segment): Likewise.
4053 (Layout::finalize, Layout::create_executable_stack): Likewise.
4054 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4055 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4056 * layout.h (class Layout): Update declarations. Remove options_
4057 field. Add number_of_input_files_ and resized_signatures_
4058 fields. Move sections_are_attached_ field.
4059 * main.cc (main): Pass number of input files to Layout
4060 constructor. Don't pass options.
4062 2009-03-30 Ian Lance Taylor <iant@google.com>
4064 * ffsll.c (ffsll): Correct implementation.
4066 2009-03-27 Ian Lance Taylor <iant@google.com>
4068 * ffsll.c: New file.
4069 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4070 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4071 * ftruncate.c (ftruncate): Declare before definition.
4072 * mremap.c (mremap): Likewise.
4073 * pread.c (pread): Likewise.
4074 * configure, Makefile.in, config.in: Rebuild.
4076 * mremap.c: New file.
4077 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4078 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4079 (mremap): Declare if HAVE_MREMAP is not defined.
4080 * configure, Makefile.in, config.in: Rebuild.
4082 2009-03-27 Cary Coutant <ccoutant@google.com>
4084 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4085 position independent.
4086 * sparc.cc (Target_sparc::check_non_pic): Likewise.
4087 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4089 2009-03-24 Cary Coutant <ccoutant@google.com>
4091 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4093 (needs_dynamic_reloc): Likewise.
4095 2009-03-24 Ian Lance Taylor <iant@google.com>
4097 * yyscript.y (file_cmd): Recognize EXTERN.
4098 (extern_name_list, extern_name_list_body): New nonterminals.
4099 * script.cc (script_add_extern): Define.
4100 * script-c.h (script_add_extern): Declare.
4102 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
4104 * object.cc (is_elf_object): Define.
4105 * object.h (is_elf_object): Declare.
4106 * archive.cc (Archive::get_elf_object_for_member): Call
4108 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4110 2009-03-24 Elliott Hughes <enh@google.com>
4112 * output.cc (Output_file::map_anonymous): Define.
4113 (Output_file::map): Use map_anonymous. If the regular mmap fails,
4114 try an anonymous one. Report the size if the mmap fails.
4115 * output.h (class Output_file): Declare map_anonymous.
4117 2009-03-24 Ian Lance Taylor <iant@google.com>
4119 * target-select.cc (instantiate_target): Don't acquire the lock if
4120 the instantiated_target_ field has already been set.
4122 2009-03-23 Ian Lance Taylor <iant@google.com>
4124 * gold-threads.h (class Initialize_lock): Define.
4125 * gold-threads.cc (class Initialize_lock_once): Define.
4126 (initialize_lock_control): New static variable.
4127 (initialize_lock_pointer): New static variable.
4128 (initialize_lock_once): New static function.
4129 (Initialize_lock::Initialize_lock): Define.
4130 (Initialize_lock::initialize): Define.
4131 * target-select.h: Include "gold-threads.h".
4132 (class Target_selector): Add lock_ and initialize_lock_ fields.
4133 Don't define instantiate_target, just declare it.
4134 * target-select.cc (Target_selector::Target_selector): Initialize
4136 (Target_selector::instantiate_target): Define.
4137 * descriptors.h: Include "gold-threads.h".
4138 (class Descriptors): Add initialize_lock_ field.
4139 * descriptors.cc (Descriptors::Descriptors): Initialize new
4141 (Descriptors::open): Use initialize_lock_ field
4142 * errors.h (class Errors): Add initialize_lock_ field.
4143 * errors.cc (Errors::Errors): Initialize new field.
4144 (Errors::initialize_lock): Use initialize_lock_ field.
4145 * powerpc.cc (class Target_selector_powerpc): Remove
4146 instantiated_target_ field. In do_recognize call
4147 instantiate_target rather than do_instantiate_target. In
4148 do_instantiate_target just allocate a new target.
4149 * sparc.cc (class Target_selector_sparc): Likewise.
4151 * freebsd.h: New file.
4152 * i386.cc: Include "freebsd.h".
4153 (Target_i386): Derive from Target_freebsd rather than
4155 (Target_selector_i386): Derive from Target_selector_freebsd rather
4156 than Target_selector.
4157 * x86_64.cc: Include "freebsd.h".
4158 (Target_x86_64): Derive from Target_freebsd rather than
4160 (Target_selector_x86_64): Derive from Target_selector_freebsd
4161 rather than Target_selector.
4162 * target.h (class Target): Add adjust_elf_header and
4163 do_adjust_elf_header.
4164 * output.cc (Output_file_header:: do_sized_write): Call target
4165 adjust_elf_header routine.
4166 * configure.tgt: Set targ_osabi.
4167 * configure.ac: Define GOLD_DEFAULT_OSABI.
4168 * parameters.cc (Parameters::default_target): Pass
4169 GOLD_DEFAULT_OSABI to select_target.
4170 * target-select.h (class Target_selector): Make instantiate_target
4171 protected rather than private.
4172 * Makefile.am (HFILES): Add freebsd.h.
4173 * configure, Makefile.in, config.in: Rebuild.
4175 * merge.cc (do_add_input_section): Correct pend value. Change
4176 message about last entry not being null terminated from error to
4179 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
4181 * incremental.cc: New file.
4182 * Makefile.am (CCFILES): Add incremental.cc.
4183 * Makefile.in: Rebuild.
4185 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
4187 * layout.cc (Layout::output_section_name): Preserve names
4188 of '.note.' sections.
4190 2009-03-19 Ian Lance Taylor <iant@google.com>
4192 * descriptors.cc (Descriptors::open): Check that the options are
4193 valid before using them.
4195 2009-03-18 Ian Lance Taylor <iant@google.com>
4197 * script-sections.h: Include <list>.
4198 (class Script_sections): Change Sections_elements from std::vector
4199 to std::list. Typedef public Elements_iterator. Add
4200 orphan_section_placement_, data_segment_align_start_, and
4201 saw_data_segment_align_ fields. Remove data_segment_align_index_
4203 * script-sections.cc (class Orphan_section_placement): New class.
4204 (class Sections_element): Add virtual functions is_relro and
4205 orphan_section_init. Remove virtual function place_orphan_here.
4206 (class Output_section_definition): Add is_relro and
4207 orphan_section_init. Remove place_orphan_here.
4208 (class Orphan_output_section): Likewise.
4209 (Script_sections::Script_sections): Update for field changes.
4210 (Script_sections::data_segment_align): Set saw_data_segment_align_
4211 and data_segment_align_start_, not data_segment_align_index.
4212 (Script_sections::data_segment_relro_end): Check
4213 saw_data_segment_align_. Use data_segment_align_start_ rather
4214 than data_segment_align_index_.
4215 (Script_sections::place_orphan): Rewrite to use
4216 Orphan_section_placement.
4218 2009-03-17 Ian Lance Taylor <iant@google.com>
4220 * archive.cc (Archive::add_symbols): Check for a version attached
4221 to the symbol name in the archive map.
4222 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4223 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4224 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4225 (ver_test_11.a): New target.
4226 * testsuite/Makefile.in: Rebuild.
4228 * configure.ac: Check for chsize and posix_fallocate. Replace
4230 * ftruncate.c: New file, from gnulib.
4231 * output.cc (posix_fallocate): Define dummy version if not
4232 HAVE_POSIX_FALLOCATE.
4233 (Output_file::map): Call posix_fallocate rather than lseek and
4235 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4236 * configure, Makefile.in, config.in: Rebuild.
4238 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
4240 * layout.h (Layout::create_note): Add section_name parameter.
4241 * layout.cc (Layout::create_note): Likewise.
4242 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4244 2009-03-17 Ian Lance Taylor <iant@google.com>
4246 * descriptors.cc: Include "options.h".
4247 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4248 (Descriptors::open): Always use O_CLOEXEC when opening a new
4249 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
4250 then set FD_CLOEXEC.
4252 * sparc.cc (class Target_sparc): Add has_got_section.
4253 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4254 make sure we have a GOT section.
4256 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4257 (Target_sparc::Scan::local): Likewise.
4258 (Target_sparc::Scan::global): Likewise.
4259 (Target_sparc::Relocate::relocate): Likewise.
4260 (Target_sparc::Relocate::relocate_tls): Likewise.
4262 * symtab.cc (Symbol_table::define_default_version): New function,
4263 broken out of add_from_object.
4264 (Symbol_table::add_from_object): Call define_default_version.
4265 (Symbol_table::define_special_symbol): Add resolve_oldsym
4266 parameter. Change all callers. If the version for a symbol comes
4267 from a version script, resolve it with the symbol with the same
4268 name with no version. Also add the symbol without a version if
4270 (do_define_in_output_data): If resolving with oldsym, don't delete
4272 (do_define_in_output_segment): Likewise.
4273 (do_define_as_constant): Likewise.
4274 * symtab.h (class Symbol_table): Update declarations.
4276 2009-03-13 Ian Lance Taylor <iant@google.com>
4278 * readsyms.cc (Read_symbols::incompatible_warning): New function.
4279 (Read_symbols::requeue): New function.
4280 (Read_symbols::do_read_symbols): If make_elf_object fails because
4281 the target type is not configured, and the file was searched for,
4282 issue a warning and retry with the next directory.
4283 (Add_symbols::run): If the file has an incompatible format, and
4284 it was searched for, requeue the Read_symbols task. On error,
4286 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
4287 dirindex parameter to constructor. Change all callers. Declare
4288 incompatible_warning and requeue.
4289 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4290 input_argument_ and input_group_ fields. Add them to
4291 constructor. Change all callers.
4292 (class Read_script): Add dirindex_ field. Add it to constructor.
4294 * archive.cc (Archive::setup): Remove input_objects parameter.
4296 (Archive::get_file_and_offset): Likewise.
4297 (Archive::read_all_symbols): Likewise.
4298 (Archive::read_symbols): Likewise.
4299 (Archive::get_elf_object_for_member): Remove input_objects
4300 parameter. Add punconfigured parameter. Change all callers.
4301 (Archive::add_symbols): Change return type to bool. Check return
4302 value of include_member.
4303 (Archive::include_all_members): Likewise.
4304 (Archive::include_member): Change return type to bool. Return
4305 false if first included object has incompatible target. Set
4306 included_member_ field.
4307 (Add_archive_symbols::run): If add_symbols returns false, requeue
4309 * archive.h (class Archive): Add included_member_ field.
4310 Initialize it in constructor. Add input_file and searched_for
4311 methods. Update declarations.
4312 (class Add_archive_symbols): Add dirpath_, dirindex_, and
4313 input_argument_ fields. Add them to constructor. Change all
4315 * script.cc: Include "target-select.h".
4316 (class Parser_closure): Add skip_on_incompatible_target_ and
4317 found_incompatible_target_ fields. Add
4318 skip_on_incompatible_target parameter to constructor. Change all
4319 callers. Add methods skip_on_incompatible_target,
4320 clear_skip_on_incompatible_target, found_incompatible_target, and
4321 set_found_incompatible_target.
4322 (read_input_script): Add dirindex parameter. Change all callers.
4323 If parser finds an incompatible target, requeue Read_symbols
4325 (script_set_symbol): Clear skip_on_incompatible_target in
4327 (script_add_assertion, script_parse_option): Likewise.
4328 (script_start_sections, script_add_phdr): Likewise.
4329 (script_check_output_format): New function.
4330 * script.h (read_input_script): Update declaration.
4331 * script-c.h (script_check_output_format): Declare.
4332 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4333 (ignore_cmd): Remove OUTPUT_FORMAT.
4334 * fileread.cc (Input_file::Input_file): Add explicit this.
4335 (Input_file::will_search_for): New function.
4336 (Input_file::open): Add pindex parameter. Change all callers.
4337 * fileread.h (class Input_file): Add input_file_argument method.
4338 Declare will_search_for. Update declarations.
4339 * object.cc (make_elf_object): Add punconfigured parameter.
4341 * object.h (class Object): Make input_file public. Add
4342 searched_for method.
4343 (make_elf_object): Update declaration.
4344 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
4346 * dirsearch.h (class Dirsearch): Update declaration.
4347 * options.h (class General_options): Add --warn-search-mismatch.
4348 * parameters.cc (Parameters::is_compatible_target): New function.
4349 * parameters.h (class Parameters): Declare is_compatible_target.
4350 * workqueue.cc (Workqueue::add_blocker): New function.
4351 * workqueue.h (class Workqueue): Declare add_blocker.
4353 * fileread.cc (Input_file::open): Remove options parameter.
4355 (Input_file::open_binary): Likewise.
4356 * script.cc (read_input_script): Likewise.
4357 * readsyms.h (class Read_symbols): Remove options_ field. Remove
4358 options parameter from constructor. Change all callers.
4359 (class Read_script): Likewise.
4360 * fileread.h (class Input_file): Update declarations.
4361 * script.h (read_input_script): Update declaration.
4363 2009-03-10 Nick Clifton <nickc@redhat.com>
4365 * po/es.po: New Spanish translation.
4367 2009-03-06 Cary Coutant <ccoutant@google.com>
4369 * options.cc (parse_short_option): Keep dash_z from registering itself.
4371 2009-03-03 Ian Lance Taylor <iant@google.com>
4374 * target-reloc.h (relocate_section): Pass output_section to
4376 * i386.cc (Target_i386::should_apply_static_reloc): Add
4377 output_section parameter. Change all callers.
4378 (Target_i386::Relocate::relocate): Add output_section parameter.
4379 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4380 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4381 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4382 * testsuite/two_file_shared.sh: New script.
4383 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4384 (check_DATA): Add two_file_shared.dbg.
4385 (two_file_shared.dbg): New target.
4386 * testsuite/Makefile.in: Rebuild.
4388 2009-03-01 Ian Lance Taylor <iant@google.com>
4390 * configure.ac: Check for byteswap.h.
4391 * configure: Rebuild.
4392 * config.in: Rebuild.
4394 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
4396 * layout.cc (Layout::find_or_add_kept_section): New function.
4397 (Layout::add_comdat): Removed.
4398 * layout.h (struct Kept_section): Move out of class Layout.
4399 Remove trailing underscores from field names. Add group_sections
4400 field. Rename group_ field to is_group. Change all uses.
4401 (class Layout): Declare find_or_add_kept_section, not add_comdat.
4402 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4403 comdat_groups_ field.
4404 (Sized_relobj::include_section_group): Use
4405 find_or_add_kept_section and Kept_section::group_sections.
4406 (Sized_relobj::include_linkonce_section): Likewise.
4407 * object.cc (class Sized_relobj): Don't define Comdat_group or
4408 Comdat_group_table. Remove find_comdat_group and
4409 add_comdat_group. Remove comdat_groups_ field.
4410 * plugin.cc (include_comdat_group): Use
4411 Layout::find_or_add_kept_section.
4413 2009-02-28 Ian Lance Taylor <iant@google.com>
4415 * README: --gc-sections and map files are now supported. Document
4416 some build requirements.
4419 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4420 relocatable link set the value of the section symbol to zero.
4421 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4422 relocatable link don't include the section address in the local
4425 2009-02-27 Ian Lance Taylor <iant@google.com>
4428 * options.h (class Search_directory): Add is_system_directory.
4429 (class General_options): Declare is_in_system_directory.
4430 * options.cc (get_relative_sysroot): Make static.
4431 (get_default_sysroot): Make static.
4432 (General_optoins::is_in_system_directory): New function.
4433 * fileread.cc (Input_file::is_in_system_directory): New function.
4434 * fileread.h (class Input_file): Declare is_in_system_directory.
4435 * object.h (class Object): Add is_in_system_directory.
4436 (class Input_objects): Remove system_library_directory_ field.
4437 * object.cc (Input_objects::add_object): Don't set
4438 system_library_directory_.
4439 (input_objects::found_in_system_library_directory): Remove.
4440 * symtab.cc (Symbol_table::write_globals): Remove input_objects
4441 parameter. Change all callers.
4442 (Symbol_table::sized_write_globals): Likewise.
4443 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4444 Call Object::is_in_system_directory.
4445 * symtab.h (class Symbol_table): Update declarations.
4448 * descriptors.h (Open_descriptor): Add is_on_stack field.
4449 * descriptors.cc (Descriptors::open): If the descriptor is on the
4450 top of the stack, remove it. Initialize is_on_stack field.
4451 (Descriptors::release): Only add pod to stack if it is not on the
4453 (Descriptors::close_some_descriptor): Clear stack_next and
4457 * output.cc (Output_section::find_starting_output_address): Rename
4458 from starting_output_address; add PADDR parameter; change return
4460 * output.h (class Output_section): Declare
4461 find_starting_output_address instead of starting_output_address.
4462 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4463 section symbol for which we can't find a merge section.
4466 * symtab.cc (Symbol_table::add_from_object): If the visibility is
4467 hidden or internal, force the symbol to be local.
4468 * resolve.cc (Symbol::override_visibility): Define.
4469 (Symbol::override_base): Use override_visibility.
4470 (Symbol_table::resolve): Likewise.
4471 (Symbol::override_base_with_special): Likewise.
4472 (Symbol_table::override_with_special): If the visibility is hidden
4473 or internal, force the symbol to be local.
4474 * symtab.h (class Symbol): Add set_visibility and
4475 override_visibility.
4476 * testsuite/ver_test_1.sh: New file.
4477 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4478 (check_DATA): Add ver_test_1.syms.
4479 (ver_test_1.syms): New target.
4480 * testsuite/Makefile.in: Rebuild.
4482 2009-02-25 Cary Coutant <ccoutant@google.com>
4484 * layout.cc (Layout::choose_output_section): Don't rename sections
4485 when using a linker script that has a SECTIONS clause.
4486 * Makefile.in: Regenerate.
4488 * testsuite/Makefile.am (script_test_5.sh): New test case.
4489 * testsuite/Makefile.in: Regenerate.
4490 * testsuite/script_test_5.cc: New file.
4491 * testsuite/script_test_5.sh: New file.
4492 * testsuite/script_test_5.t: New file.
4494 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
4496 * archive.cc (Archive::include_member): Update calls to add_symbols.
4497 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4498 the Layout argument.
4499 * dynobj.h (do_add_symbols): Add the Layout argument.
4500 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4502 * object.h (Object::add_symbols): Add the Layout argument.
4503 (Object::do_add_symbols): Add the Layout argument.
4504 (Sized_relobj::do_add_symbols): Add the Layout argument.
4505 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4506 Unify the two versions.
4507 (Add_plugin_symbols): Remove.
4508 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4509 (Sized_pluginobj::do_add_symbols): Unify the two versions.
4510 (Add_plugin_symbols): Remove.
4511 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4512 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4513 (Add_symbols::run): Make it work with Pulginobj.
4515 2009-02-06 Ian Lance Taylor <iant@google.com>
4517 * object.cc (Sized_relobj::do_layout): Make info message start
4518 with lower case letter.
4520 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
4522 * binary.cc: Fix file comment.
4524 * options.h (enum Incremental_disposition): Define.
4525 (class General_options): Add new options: --incremental,
4526 --incremental_changed, --incremental_unchanged,
4527 --incremental_unknown. Add incremental_disposition_ and
4528 implicit_incremental_ fields.
4529 (General_options::incremental_disposition): New function.
4530 (class Position_dependent_options): Add incremental_disposition
4532 (Position_dependent_options::copy_from_options): Set incremental
4534 * options.cc (General_options::parse_incremental_changed): New
4536 (General_options::parse_incremental_unchanged): New function.
4537 (General_options::parse_incremental_unknown): New function.
4538 (General_options::General_options): Initialize new fields
4539 incremental_disposition_ and implicit_incremental_.
4540 (General_options::finalize): Check for uasge of --incremental-*
4541 without --incremental.
4543 2009-02-06 Chris Demetriou <cgd@google.com>
4545 * gold.h (gold_undefined_symbol): Change to take only a Symbol
4546 pointer and to report location as the file name associated with
4548 (gold_undefined_symbol_at_location): New function to replace the
4549 old gold_undefined_symbol functionality.
4550 * target-reloc.h (relocate_section): Update to use
4551 gold_undefined_symbol_at_location.
4552 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4553 Call gold_undefined_symbol function rather than gold_error.
4554 * errors.h (Errors::undefined_symbol): Take location as a
4555 string, rather than calculating it from a relocation.
4556 * errors.cc (Errors::fatal): Print "fatal error:" before the
4558 (Errors::error, Errors::error_at_location): Print "error: "
4559 before the formatted message.
4560 (Errors::undefined_symbol): Take location as a string, rather
4561 than calculating it from a relocation.
4562 (gold_undefined_symbol_at_location): New function akin to
4563 old gold_undefined_symbol, calculates location from relocation.
4564 (gold_undefined_symbol): Change to take only a Symbol pointer
4565 and to report location as the file name associated with the symbol.
4566 * testsuite/debug_msg.sh: Update for changed error messages.
4567 * testsuite/undef_symbol.sh: Likewise.
4569 2009-02-04 Duncan Sands <baldrick@free.fr>
4572 * reduced_debug_output.h
4573 (Output_reduced_debug_abbrev_section::failed): Use format for
4575 (Output_reduced_debug_info_section::faild): Likewise.
4577 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
4579 * script.cc (Lazy_demangler): New class.
4580 (Version_script_info::get_symbol_version_helper): Demangle a
4583 2009-01-29 Cary Coutant <ccoutant@google.com>
4585 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4587 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4589 2009-01-28 Ian Lance Taylor <iant@google.com>
4591 * version.cc (version_string): Bump to 1.9.
4593 * gold.h: Include <cstring> and <stdint.h>.
4594 * version.cc: Include <cstdio>.
4595 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4597 * reduced_debug_output.cc (insert_into_vector): Rename from
4598 Insert_into_vector; change all callers. Use Swap_unaligned to
4599 avoid aliasing issue; remove union since it is unnecessary.
4601 2009-01-27 Sriraman Tallam <tmsriram@google.com>
4603 * Makefile.am (CCFILES): Add gc.cc.
4605 * Makefile.in: Regenerate.
4606 * gold.cc (Gc_runner): New class.
4607 (queue_initial_tasks): Call garbage collection related tasks
4608 when corresponding options are invoked.
4609 (queue_middle_gc_tasks): New function.
4610 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4611 processed early before laying out sections during garbage collection.
4612 * gold.h (queue_middle_gc_tasks): New function.
4613 (is_prefix_of): Move from "layout.cc".
4614 * i386.cc (Target_i386::gc_process_relocs): New function.
4615 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4616 * main.cc (main): Create object of class "Garbage_collection".
4617 * object.cc (Relobj::copy_symbols_data): New function.
4618 (Relobj::is_section_name_included): New function.
4619 (Sized_relobj::do_layout): Allow this function to be called twice
4620 during garbage collection and defer layout of section during the
4622 * object.h (Relobj::get_symbols_data): New function.
4623 (Relobj::is_section_name_included): New function.
4624 (Relobj::copy_symbols_data): New function.
4625 (Relobj::set_symbols_data): New function.
4626 (Relobj::get_relocs_data): New function.
4627 (Relobj::set_relocs_data): New function.
4628 (Relobj::is_output_section_offset_invalid): New pure virtual function.
4629 (Relobj::gc_process_relocs): New function.
4630 (Relobj::do_gc_process_relocs): New pure virtual function.
4631 (Relobj::sd_): New data member.
4632 (Sized_relobj::is_output_section_offset_invalid): New function.
4633 (Sized_relobj::do_gc_process_relocs): New function.
4634 * options.h (General_options::gc_sections): Modify to not be a no-op.
4635 (General_options::print_gc_sections): New option.
4636 * plugin.cc (Plugin_finish::run): Remove function call to
4637 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
4638 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4639 * reloc.cc (Read_relocs::run): Add task to process relocs and
4640 determine unreferenced sections when doing garbage collection.
4641 (Gc_process_relocs): New class.
4642 (Sized_relobj::do_gc_process_relocs): New function.
4643 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4644 sections that are garbage collected.
4645 * reloc.h (Gc_process_relocs): New class.
4646 * sparc.cc (Target_sparc::gc_process_relocs): New function.
4647 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4648 symbols whose corresponding sections are garbage collected.
4649 (Symbol_table::Symbol_table): Add new parameter for the garbage
4651 (Symbol_table::gc_mark_undef_symbols): New function.
4652 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4653 (Symbol_table::gc_mark_dyn_syms): New function.
4654 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4656 (Symbol_table::add_from_object): Likewise.
4657 (Symbol_table::add_from_relobj): When building shared objects, do not
4658 treat externally visible symbols as garbage.
4659 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4660 table information for static and relocatable links.
4661 * symtab.h (Symbol_table::set_gc): New function.
4662 (Symbol_table::gc): New function.
4663 (Symbol_table::gc_mark_undef_symbols): New function.
4664 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4665 (Symbol_table::gc_mark_dyn_syms): New function.
4666 (Symbol_table::gc_): New data member.
4667 * target.h (Sized_target::gc_process_relocs): New pure virtual
4669 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4670 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4672 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
4674 * options.h (General_options::gc_sections): Define as a no-op for now.
4675 (General_options::no_keep_memory): Ditto.
4676 (General_options::Bshareable): Define.
4677 * options.cc (General_options::finalize): Honor -Bshareable.
4679 2009-01-20 Andreas Schwab <schwab@suse.de>
4681 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4682 read the value in the contents, since we don't use it. Use the
4683 template endianness when writing.
4684 (Relocate::relocate): Use it for R_PPC_REL16_HA.
4686 2009-01-19 Andreas Schwab <schwab@suse.de>
4688 * configure.tgt (powerpc64-*): Fix targ_obj.
4690 2009-01-15 Ian Lance Taylor <iant@google.com>
4692 * object.cc (Sized_relobj::write_local_symbols): Don't write out
4693 local symbols when stripping all symbols.
4695 2009-01-14 Cary Coutant <ccoutant@google.com>
4697 * output.cc (Output_reloc): Add explicit instantiations.
4699 2009-01-14 Cary Coutant <ccoutant@google.com>
4701 * archive.cc (Archive::get_elf_object_for_member): Remove call
4702 to File_read::claim_for_plugin.
4703 * descriptors.cc (Descriptors::open): Remove reference to
4705 (Descriptors::claim_for_plugin): Remove.
4706 * descriptors.h (Descriptors::claim_for_plugin): Remove.
4707 (Descriptors::is_claimed): Remove.
4708 (claim_descriptor_for_plugin): Remove.
4709 * fileread.cc (File_read::claim_for_plugin): Remove.
4710 * fileread.h (File_read::claim_for_plugin): Remove.
4711 (File_read::descriptor): Reopen descriptor if necessary.
4712 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
4713 (Plugin_manager::all_symbols_read): Add task parameter. Change
4715 (Plugin_manager::get_input_file): New function.
4716 (Plugin_manager::release_input_file): New function.
4717 (Pluginobj::Pluginobj): Add filesize parameter and initialize
4718 corresponding data member.
4719 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4720 and pass to base constructor. Change all callers.
4721 (get_input_file, release_input_file): New functions.
4722 (make_sized_plugin_object): Add filesize parameter. Change all callers.
4723 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4724 (Plugin_manager::all_symbols_read): Add task parameter.
4725 (Plugin_manager::get_input_file): New function.
4726 (Plugin_manager::release_input_file): New function.
4727 (Plugin_manager::task_): New data member.
4728 (Pluginobj::Pluginobj): Add filesize parameter.
4729 (Pluginobj::filename): New function.
4730 (Pluginobj::descriptor): New function.
4731 (Pluginobj::filesize): New function.
4732 (Pluginobj::filesize_): New data member.
4733 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4734 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4735 File_read::claim_for_plugin; use Object::unlock to unlock the file.
4737 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4738 with archive libraries.
4739 * testsuite/Makefile.in: Regenerate.
4740 * testsuite/plugin_test.c (struct sym_info): New type.
4741 (get_input_file, release_input_file): New static variables.
4742 (onload): Capture new transfer vector entries.
4743 (claim_file_hook): Stop reading at end of file according to filesize.
4744 Factor out parsing of readelf output into separate function.
4745 (all_symbols_read_hook): Exercise get_input_file and release_input_file
4746 APIs and get the source file name from the symbol table. Convert
4747 source file name to corresponding object file name. Print info
4748 message when adding new input files.
4749 (parse_readelf_line): New function.
4750 * testsuite/plugin_test_1.sh: Add checks for new info messages.
4751 * testsuite/plugin_test_2.sh: Likewise.
4752 * testsuite/plugin_test_3.sh: Likewise.
4753 * testsuite/plugin_test_4.sh: New test case.
4755 2009-01-07 Ian Lance Taylor <iant@google.com>
4757 * version.cc (version_string): Bump to 1.8.
4759 2008-12-23 Cary Coutant <ccoutant@google.com>
4761 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4762 * plugin.cc (Plugin_manager::finish): Rename as
4763 layout_deferred_objects. Move cleanup to separate function.
4764 (Plugin_manager::cleanup): New function.
4765 (Plugin_finish::run): Call layout_deferred_objects and cleanup
4767 * plugin.h (Plugin_manager::finish): Rename as
4768 layout_deferred_objects.
4769 (Plugin_manager::cleanup): New function.
4770 (Plugin_manager::cleanup_done): New field.
4772 2008-12-23 Cary Coutant <ccoutant@google.com>
4774 * plugin.cc (is_visible_from_outside): New function.
4775 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4776 so we don't return "IR only" status for exported symbols or -r links.
4778 * testsuite/Makefile.am (plugin_test_3): New test case.
4779 * testsuite/Makefile.in: Regenerate.
4780 * testsuite/plugin_test_3.sh: New file.
4782 2008-12-22 Cary Coutant <ccoutant@google.com>
4784 * object.cc (Sized_relobj::layout_section): New function.
4785 (Sized_relobj::do_layout): Defer layout of input sections until after
4786 plugin has provided replacement files.
4787 (Sized_relobj::do_layout_deferred_sections): New function.
4788 * object.h (Relobj::set_section_offset): Remove virtual keyword.
4789 (Relobj::layout_deferred_sections): New function.
4790 (Relobj::do_layout_deferred_sections): New function.
4791 (Sized_relobj::do_layout_deferred_sections): New function.
4792 (Sized_relobj::layout_section): New function.
4793 (Sized_relobj::Deferred_layout): New structure.
4794 (Sized_relobj::deferred_layout_): New field.
4795 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4796 Change all callers. Layout deferred sections.
4797 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
4799 (Plugin_hook::run): Move code from do_plugin_hook inline.
4800 (Plugin_hook::do_plugin_hook): Remove.
4801 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4802 (Plugin_manager::finish): Renamed, was cleanup.
4803 (Plugin_manager::should_defer_layout): New function.
4804 (Plugin_manager::add_deferred_layout_object): New function.
4805 (Plugin_manager::Deferred_layout_list): New type.
4806 (Plugin_manager::deferred_layout_objects_): New field.
4807 (Plugin_hook::do_plugin_hook): Remove.
4809 2008-12-17 Ian Lance Taylor <iant@google.com>
4811 * options.h (class General_options): Add --no case for
4814 2008-12-16 Cary Coutant <ccoutant@google.com>
4816 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4818 (Plugin_manager::claim_file): Create plugin object even if
4819 plugin did not call the add_symbols callback.
4820 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4821 asking for more symbols than were added.
4822 * testsuite/Makefile.am (plugin_test_1): Add test case with
4824 (empty.syms): New target.
4825 * testsuite/Makefile.in: Regenerate.
4826 * testsuite/plugin_test.c (claim_file_hook): Add new debug
4827 message. Don't call add_symbols if no globals.
4828 (all_symbols_read_hook): Don't provide replacement for empty
4831 2008-12-12 Ian Lance Taylor <iant@google.com>
4833 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4834 r_type == 0 for a local symbol with r_sym == 0.
4835 (scan_relocatable_relocs): Pass r_sym to
4836 local_non_section_strategy.
4837 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4840 * configure.ac: Update test for TLS descriptors: they are
4841 supported as of glibc 2.9.
4842 * configure: Rebuild.
4844 2008-12-11 Ian Lance Taylor <iant@google.com>
4847 * target-reloc.h (Default_scan_relocatable_relocs): For each
4848 function, map r_type == 0 to RELOC_DISCARD.
4850 2008-12-10 Cary Coutant <ccoutant@google.com>
4852 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4853 object to override a kept COMDAT group from a plugin object.
4855 2008-12-09 Ian Lance Taylor <iant@google.com>
4858 * yyscript.y (file_cmd): Handle INPUT.
4860 * testsuite/initpri1.c: Change all declarations to be full
4861 prototypes by adding void, to avoid compiler warnings.
4863 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
4865 * options.cc (General_options::parse_plugin_opt): New.
4866 (General_options::add_plugin): The argument now is just the filename.
4867 (General_options::add_plugin_option): New.
4868 * options.h (plugin_opt): New.
4869 (add_plugin): Change argument name.
4870 (add_plugin_option): New.
4871 * plugin.cc (Plugin::load): Don't parse the plugin option.
4872 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4873 (Plugin::add_option): New.
4874 (Plugin::args_): Change type.
4875 (Plugin::filename_): New.
4876 (Plugin_manager::add_plugin_option): New.
4877 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4878 * testsuite/Makefile.in: Regenerate.
4880 2008-12-05 Cary Coutant <ccoutant@google.com>
4882 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4883 Handle --strip-lto-sections option.
4884 * options.h (strip_lto_sections): New option.
4886 2008-12-01 Cary Coutant <ccoutant@google.com>
4888 * plugin.cc (ld_plugin_message): Change format parameter to const.
4889 Fix mismatch between new[] and delete.
4891 2008-11-14 Cary Coutant <ccoutant@google.com>
4893 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4896 2008-11-05 Craig Silverstein <csilvers@google.com>
4898 * options.cc (General_options::parse_dynamic_list): New function.
4899 * options.h (General_options): New flags dynamic_list,
4900 dynamic_list_data, dynamic_list_cpp_new, and
4901 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
4902 (General_options::in_dynamic_list): New function.
4903 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4904 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4905 (Lex::can_continue_name): Likewise.
4907 (read_script_file): New parameter script_options.
4908 (read_dynamic_list): New function.
4909 (Script_options::define_dynamic_list): New function.
4910 (dynamic_list_keyword_parsecodes): New variable.
4911 (dynamic_list_keywords): New variable.
4912 * script.h (Script_options::define_dynamic_list): New function
4914 (read_dynamic_list): New function prototype.
4915 * symtab.cc (strprefix): New macro.
4916 (Symbol::should_add_dynsym_entry): Support dynamic_list,
4917 dynamic_list_data, dynamic_list_cpp_new, and
4918 dynamic_list_cpp_typeinfo.
4919 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4920 (dynamic_list_expr): New rule.
4921 (dynamic_list_nodes): Likewise.
4922 (dynamic_list_node): Likewise.
4923 * testsuite/Makefile.am (dynamic_list): New test.
4924 * testsuite/Makefile.in: Regenerated.
4925 * testsuite/dynamic_list.t: New file.
4926 * testsuite/dynamic_list.sh: New file.
4928 2008-11-05 Craig Silverstein <csilvers@google.com>
4930 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4931 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4932 (t11_last): Likewise.
4933 * testsuite/ver_test_6.c (main): Likewise.
4935 2008-10-07 Cary Coutant <ccoutant@google.com>
4937 * options.c (General_options::finalize): Add check for -static and
4939 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4942 2008-10-02 Cary Coutant <ccoutant@google.com>
4944 * plugin.cc (make_sized_plugin_object): Fix conditional
4945 compilation to work when not all targets are enabled.
4947 2008-09-29 Cary Coutant <ccoutant@google.com>
4949 * archive.cc (Archive::get_file_and_offset): Use filename instead
4950 of name to get library path.
4951 (Archive::include_member): Unlock external member of a thin archive.
4953 * testsuite/Makefile.am (TEST_AR): New variable.
4954 (thin_archive_test_1): New test.
4955 (thin_archive_test_2): New test.
4956 * testsuite/Makefile.in: Regenerate.
4957 * testsuite/thin_archive_main.cc: New file.
4958 * testsuite/thin_archive_test_1.cc: New file.
4959 * testsuite/thin_archive_test_2.cc: New file.
4960 * testsuite/thin_archive_test_3.cc: New file.
4961 * testsuite/thin_archive_test_4.cc: New file.
4963 2008-09-29 Cary Coutant <ccoutant@google.com>
4965 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4966 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4968 (Sized_relobj::do_finalize_local_symbols): Likewise.
4969 (Sized_relobj::map_to_kept_section): Likewise.
4970 * object.h (Sized_relobj::invalid_address): New constant.
4971 (Sized_relobj::do_output_section_offset): Check for invalid_address
4973 * output.cc (Output_reloc::local_section_offset): Use constant
4974 invalid_address instead of -1U.
4975 (Output_reloc::get_address): Likewise.
4976 (Output_section::output_address): Change -1U to -1ULL.
4977 * output.h (Output_reloc::invalid_address): New constant.
4978 * reloc.cc (Sized_relobj::write_sections): Use constant
4979 invalid_address instead of -1U.
4980 (Sized_relobj::relocate_sections): Likewise.
4981 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4982 values for merge sections.
4983 * target-reloc.h (relocate_for_relocatable): Use constant
4984 invalid_address instead of -1U.
4986 2008-09-19 Cary Coutant <ccoutant@google.com>
4988 Add plugin functionality for link-time optimization (LTO).
4989 * configure.ac (plugins): Add --enable-plugins option.
4990 * configure: Regenerate.
4991 * config.in: Regenerate.
4992 * Makefile.am (LIBDL): New variable.
4993 (CCFILES): Add plugin.cc.
4994 (HFILES): Add plugin.h.
4995 (ldadd_var): Add LIBDL.
4996 * Makefile.in: Regenerate.
4998 * archive.cc: Include "plugin.h".
4999 (Archive::setup): Don't preread archive symbols when using a plugin.
5000 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
5001 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
5003 (Archive::include_member): Add symbols from plugin objects.
5004 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
5005 * descriptors.cc (Descriptors::open): Check for file descriptors
5006 abandoned by plugins.
5007 (Descriptors::claim_for_plugin): New function.
5008 * descriptors.h (Descriptors::claim_for_plugin): New function.
5009 (Open_descriptor::is_claimed): New field.
5010 (claim_descriptor_for_plugin): New function.
5011 * fileread.cc (File_read::claim_for_plugin): New function.
5012 * fileread.h (File_read::claim_for_plugin): New function.
5013 (File_read::descriptor): New function.
5014 * gold.cc: Include "plugin.h".
5015 (queue_initial_tasks): Add task to call plugin hooks for generating
5017 * main.cc: Include "plugin.h".
5018 (main): Load plugin libraries.
5019 * object.h (Pluginobj): Declare.
5020 (Object::pluginobj): New function.
5021 (Object::do_pluginobj): New function.
5022 (Object::set_target): New function.
5023 * options.cc: Include "plugin.h".
5024 (General_options::parse_plugin): New function.
5025 (General_options::General_options): Initialize plugins_ field.
5026 (General_options::add_plugin): New function.
5027 * options.h (Plugin_manager): Declare.
5028 (General_options): Add --plugin option.
5029 (General_options::has_plugins): New function.
5030 (General_options::plugins): New function.
5031 (General_options::add_plugin): New function.
5032 (General_options::plugins_): New field.
5033 * plugin.cc: New file.
5034 * plugin.h: New file.
5035 * readsyms.cc: Include "plugin.h".
5036 (Read_symbols::do_read_symbols): Check for archive before checking
5037 for ELF file. Call plugin hooks to claim files.
5038 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5039 from a real object file; force override when processing replacement
5041 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5042 (Symbol::init_base_object): Likewise.
5043 (Symbol::init_base_output_data): Likewise.
5044 (Symbol::init_base_output_segment): Likewise.
5045 (Symbol::init_base_constant): Likewise.
5046 (Symbol::init_base_undefined): Likewise.
5047 (Symbol::output_section): Assert that object is not a plugin.
5048 (Symbol_table::add_from_pluginobj): New function.
5049 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5051 (Symbol_table::sized_write_globals): Likewise.
5052 (Symbol_table::add_from_pluginobj): Instantiate template.
5053 * symtab.h (Sized_pluginobj): Declare.
5054 (Symbol::in_real_elf): New function.
5055 (Symbol::set_in_real_elf): New function.
5056 (Symbol::in_real_elf_): New field.
5057 (Symbol_table::add_from_pluginobj): New function.
5059 * testsuite/Makefile.am (AM_CFLAGS): New variable.
5060 (LIBDL): New variable.
5062 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5063 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5064 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5065 (MOSTLYCLEANFILES): Likewise.
5066 * testsuite/Makefile.in: Regenerate.
5067 * testsuite/plugin_test.c: New file.
5068 * testsuite/plugin_test_1.sh: New file.
5069 * testsuite/plugin_test_2.sh: New file.
5071 2008-09-16 Ian Lance Taylor <iant@google.com>
5073 * target-reloc.h (relocate_section): Check whether a symbol is
5074 defined by the ABI before reporting an undefined symbol error.
5075 * target.h (Target::is_defined_by_abi): Make parameter const.
5076 (Target::do_is_defined_by_abi): Likewise.
5077 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5078 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5079 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5080 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5081 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5082 * testsuite/Makefile.in: Rebuild.
5084 * fileread.cc (make_view): Add casts to avoid warning.
5086 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5088 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5089 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5091 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5093 * options.h (General_options::output_is_executable): New.
5094 (General_options::output_is_pie): New.
5095 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5096 for shared libraries.
5097 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5099 2008-09-11 Chris Demetriou <cgd@google.com>
5101 * options.h (origin): New -z option.
5102 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5103 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5106 2008-09-05 Cary Coutant <ccoutant@google.com>
5108 * fileread.cc (File_read::make_view): Add check for attempt to map
5111 2008-09-05 Cary Coutant <ccoutant@google.com>
5113 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5114 explicit instantiations.
5116 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
5119 * options.cc (General_options::finalize): Allow undefined symbols
5120 in shlibs if linking -shared.
5123 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5124 symbols as not needing a dynsym entry.
5126 2008-08-20 Craig Silverstein <csilvers@google.com>
5128 * fileread.cc (File_read::open): Do not lock the file unless it
5129 was successfully opened.
5131 2008-08-14 Cary Coutant <ccoutant@google.com>
5133 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5134 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5135 * testsuite/tls_test.cc (struct int128): 128-bit struct
5136 for testing TLS relocs with non-zero addend.
5137 (v12): New TLS variable.
5139 (t_last): Add check for v12.
5140 * testsuite/tls_test.h (t12): New function.
5141 * testsuite/tls_test_main.cc (thread_routine): Call new test.
5143 2008-08-13 Ian Lance Taylor <iant@google.com>
5145 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5146 set tls_segment_ or relro_segment_.
5147 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5149 * output.h (Output_section::clear_is_relro): New function.
5150 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5151 sections specially even when output_data_ is empty.
5152 (Output_segment::maximum_alignment): When first section is relro,
5153 only force alignment for PT_LOAD segments.
5154 * script.cc (script_data_segment_align): New function.
5155 (script_data_segment_relro_end): New function.
5156 * script-c.h (script_data_segment_align): Declare.
5157 (script_data_segment_relro_end): Declare.
5158 * script-sections.h (class Script_sections): Declare
5159 data_segment_align and data_segment_relro_end. Add fields
5160 segment_align_index_ and saw_relro_end_.
5161 * script-sections.cc (class Sections_element): Add set_is_relro
5162 virtual function. Add new bool* parameter to place_orphan_here.
5163 Add get_output_section virtual function.
5164 (class Output_section_definition): Add set_is_relro. Add new
5165 bool* parameter to place_orphan_here. Add get_output_section.
5166 Add is_relro_ field.
5167 (Output_section_definition::Output_section_definition): Initialize
5168 evaluated_address_, evaluated_load_address, evaluated_addralign_,
5169 and is_relro_ fields.
5170 (Output_section_definition::place_orphan_here): Add is_relro
5172 (Output_section_definition::set_section_addresses): Set relro for
5174 (Output_section_definition::alternate_constraint): Likewise.
5175 (class Orphan_output_section): Add new bool* parameter to
5176 place_orphan_here. Add get_output_section.
5177 (Orphan_output_section::place_orphan_here): Add is_relro
5179 (Script_sections::Script_sections): Initialize
5180 data_segment_align_index_ and saw_relro_end_.
5181 (Script_sections::data_segment_align): New function.
5182 (Script_sections::data_segment_relro_end): New function.
5183 (Script_sections::place_orphan): Set or clear is_relro.
5184 (Script_sections::set_section_addresses): Force alignment of first
5186 * yyscript.y (exp): Call script_data_segment_align and
5187 script_data_segment_relro_end.
5188 * testsuite/relro_script_test.t: New file.
5189 * testsuite/relro_test.cc (using_script): Declare.
5190 (t1, t2): Test using_script.
5191 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5192 (relro_script_test_SOURCES): Define.
5193 (relro_script_test_DEPENDENCIES): Define.
5194 (relro_script_test_LDFLAGS): Define.
5195 (relro_script_test_LDADD): Define.
5196 (relro_script_test.so): New target.
5197 * testsuite/Makefile.in: Rebuild.
5199 2008-08-06 Cary Coutant <ccoutant@google.com>
5201 * archive.cc (Archive::total_archives, Archive::total_members)
5202 (Archive::total_members_loaded): New variables.
5203 (Archive::setup): Add parameter. Add option to preread
5205 (Archive::read_armap): Add counter.
5206 (Archive::get_file_and_offset): New function.
5207 (Archive::get_elf_object_for_member): New function.
5208 (Archive::read_all_symbols): New function.
5209 (Archive::read_symbols): New function.
5210 (Archive::add_symbols): Add counters.
5211 (Archive::include_all_members): Use armap to find members if it's
5213 (Archive::include_member): Skip reading symbols if already read.
5214 Factored code into Archive::get_file_and_offset and
5215 Archive::get_elf_object_for_member. Changed call to
5216 Mapfile::report_include_archive_member.
5217 (Archive::print_stats): New function.
5218 * archive.h: Declare Object and Read_symbols_data classes.
5219 (Archive::Archive): Add initializers for new members.
5220 (Archive::setup): Add parameter.
5221 (Archive::print_stats): New function.
5222 (Archive::total_archives, Archive::total_members)
5223 (Archive::total_members_loaded): New variables.
5224 (Archive::get_file_and_offset): New function.
5225 (Archive::get_elf_object_for_member): New function.
5226 (Archive::read_all_symbols): New function.
5227 (Archive::read_symbols): New function.
5228 (Archive::Archive_member): New class.
5229 (Archive::members_): New member.
5230 (Archive::num_members_): New member.
5231 * main.cc: Include archive.h.
5232 (main): Call Archive::print_stats.
5233 * mapfile.cc (Mapfile::report_include_archive_member): Delete
5234 archive parameter; member_name is now the fully-decorated name.
5235 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5236 * options.h: (General_options): Add --preread-archive-symbols option.
5237 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5240 2008-08-04 Ian Lance Taylor <iant@google.com>
5242 * symtab.h (Symbol::use_plt_offset): New function.
5243 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5244 * powerpc.cc (Relocate::relocate): Likewise.
5245 * sparc.cc (Relocate::relocate): Likewise.
5246 * x86_64.cc (Relocate::relocate): Likewise.
5247 * testsuite/weak_plt.sh: New test.
5248 * testsuite/weak_plt_main.cc: New test.
5249 * testsuite/weak_plt_shared.cc: New test.
5250 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5251 (check_PROGRAMS): Add weak_plt.
5252 (check_DATA): Add weak_plt_shared.so.
5253 (weak_plt_main_pic.o, weak_plt): New targets.
5254 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5255 * testsuite/Makefile.in: Rebuild.
5257 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5259 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5260 * testsuite/Makefile.in: Rebuild.
5262 2008-08-04 Alan Modra <amodra@bigpond.net.au>
5264 * Makefile.am (POTFILES.in): Set LC_ALL=C.
5265 * Makefile.in: Regenerate.
5266 * po/POTFILES.in: Regenerate.
5268 2008-07-29 Ian Lance Taylor <iant@google.com>
5270 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5271 symbols before other symbols.
5272 * testsuite/script_test_2.cc (test_addr): Declare.
5273 (test_addr_alias): Declare.
5274 (main): Check that test_addr and test_addr_alias have the right
5276 * testsuite/script_test_2.t: Define test_addr_alias and
5279 2008-07-24 Ian Lance Taylor <iant@google.com>
5282 * descriptors.cc: New file.
5283 * descriptors.h: New file.
5284 * gold-threads.h (class Hold_optional_lock): New class.
5285 * fileread.cc: Include "descriptors.h".
5286 (File_read::~File_read): Release descriptor rather than closing
5288 (File_read::open) [file]: Call open_descriptor rather than open.
5289 Set is_descriptor_opened_.
5290 (File_read::open) [memory]: Assert that descriptor is not open.
5291 (File_read::reopen_descriptor): New function.
5292 (File_read::release): Release descriptor.
5293 (File_read::do_read): Make non-const. Reopen descriptor.
5294 (File_read::read): Make non-const.
5295 (File_read::make_view): Reopen descriptor.
5296 (File_read::do_readv): Likewise.
5297 * fileread.h (class File_read): Add is_descriptor_opened_ field.
5298 Update declarations.
5299 * layout.cc: Include "descriptors.h".
5300 (Layout::create_build_id): Use open_descriptor rather than open.
5301 * output.cc: Include "descriptors.h".
5302 (Output_file::open): Use open_descriptor rather than open.
5303 * archive.cc (Archive::const_iterator): Change Archive to be
5305 (Archive::begin, Archive::end): Make non-const.
5306 (Archive::count_members): Likewise.
5307 * archive.h (class Archive): Update declarations.
5308 * object.h (Object::read): Make non-const.
5309 * Makefile.am (CCFILES): Add descriptors.cc.
5310 (HFILES): Add descriptors.h.
5311 * Makefile.in: Rebuild.
5314 * gold.h: Always include <clocale>. Add Solaris workarounds
5315 following code in binutils/sysdep.h.
5318 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5319 this->eh_frame_hdr_ is NULL before using it.
5321 * dynobj.cc (Versions::Versions): Update comment.
5323 * dynobj.cc (Versions::Versions): If there is an soname, use it as
5324 the base version name.
5326 * stringpool.cc (Stringpool_template::add_with_length): Set key to
5327 array size plus one.
5328 (Stringpool_template::set_string_offsets): Subtract one from key
5329 before using it as an array index.
5330 (Stringpool_template::get_offset_with_length): Likewise.
5331 (Stringpool_template::write_to_buffer): Likewise.
5332 * stringpool.h (Stringpool_template::get_offset_from_key):
5335 2008-07-23 Ian Lance Taylor <iant@google.com>
5338 * object.h (Merged_symbol_value::value): Do our best to handle a
5342 * script.cc (Version_script_info::get_versions): Don't add empty
5343 version tag to return value.
5344 (Version_script_info::get_symbol_version_helper): Change return
5345 type to bool. Add pversion parameter. Change all callers.
5346 (script_register_vers_node): Don't require a non-NULL tag.
5347 * script.h (class Version_script_info): Update declarations.
5348 (Version_script_info::get_symbol_version): Change return type to
5349 bool. Add version parameter. Change all callers.
5350 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5351 handling. Handle an empty version from a version script.
5352 (Symbol_table::define_special_symbol): Likewise.
5353 * testsuite/ver_test_10.script: New file.
5354 * testsuite/ver_test_10.sh: New file.
5355 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5356 (check_DATA): Add ver_test_10.syms.
5357 (ver_test_10.syms, ver_test_10.so): New target.
5358 * testsuite/Makefile.in: Rebuild.
5360 2008-07-23 Simon Baldwin <simonb@google.com>
5362 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5363 to zero for undefined symbols from dynamic libraries.
5365 2008-07-23 Ian Lance Taylor <iant@google.com>
5367 * symtab.cc (Symbol_table::resolve): Remove version parameter.
5369 * symtab.h (class Symbol_table): Update declaration.
5370 * testsuite/ver_test_9.cc: New file.
5371 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5372 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5373 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5374 (ver_test_9.so, ver_test_9.o): New targets.
5375 * testsuite/Makefile.in: Rebuild.
5377 2008-07-22 Ian Lance Taylor <iant@google.com>
5379 * options.h (class General_options): Define --check-sections.
5380 * layout.cc (Layout::set_segment_offsets): Handle
5383 * options.h (class General_options): Define -n/--nmagic and
5385 * options.cc (General_options::finalize): For -n/--nmagic or
5386 -N/--omagic, set -static.
5387 * layout.cc (Layout::attach_allocated_section_to_segment): If
5388 -N/--omagic, don't put read-only and read-write sections in
5390 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5391 finding a read-only segment.
5392 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5393 don't set the minimum segment alignment to the common page size,
5394 and don't set the file offset to the address modulo the page size.
5395 * script-sections.cc (Script_sections::create_segments): If
5396 -n/--omagic, don't put read-only and read-write sections in
5399 * cref.cc: New file.
5401 * options.h (class General_options): Add --print-symbol-counts.
5402 * main.cc (main): Issue defined symbol report if requested.
5403 * archive.cc (Archive::interpret_header): Make into a const member
5405 (Archive::add_symbols): Call Input_objects::archive_start and
5407 (Archive::const_iterator): Define new class.
5408 (Archive::begin, Archive::end): New functions.
5409 (Archive::include_all_members): Rewrite to use iterator.
5410 (Archive::count_members): New function.
5411 * archive.h (class Archive): Update declarations.
5412 (Archive::filename): New function.
5413 * object.cc: Include "cref.h".
5414 (Sized_relobj::Sized_relobj): Initialize defined_count_.
5415 (Sized_relobj::do_get_global_symbol_counts): New function.
5416 (Input_objects::add_object): Add object to cross-referencer.
5417 (Input_objects::archive_start): New function.
5418 (Input_objects::archive_stop): New function.
5419 (Input_objects::print_symbol_counts): New function.
5420 * object.h: Declare Cref and Archive.
5421 (Object::get_global_symbol_counts): New function.
5422 (Object::do_get_global_symbol_counts): New pure virtual function.
5423 (class Sized_relobj): Add defined_count_ field. Update
5425 (class Input_objects): Add cref_ field. Update constructor.
5426 Update declarations.
5427 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5429 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5431 (Sized_dynobj::do_get_global_symbol_counts): New function.
5432 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5433 defined_count_. Update declarations. Define Symbols typedef.
5434 * symtab.cc (Symbol_table::add_from_relobj): Add defined
5435 parameter. Change all callers.
5436 (Symbol_table::add_from_dynobj): Add sympointers and defined
5437 parameters. Change all callers.
5438 * symtab.h (class Symbol_table): Update declarations.
5439 * Makefile.am (CCFILES): Add cref.cc.
5440 (HFILES): Add cref.h.
5441 * Makefile.in: Rebuild.
5443 2008-07-22 Simon Baldwin <simonb@google.com>
5445 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5446 to zero when writing undefined symbols.
5448 2008-07-22 Ian Lance Taylor <iant@google.com>
5450 * output.cc (Output_section::add_input_section): Don't try to
5451 merge empty merge sections.
5453 2008-07-21 Craig Silverstein <csilvers@google.com>
5455 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5456 Include symbol version in error message.
5458 2008-07-20 Chris Demetriou <cgd@google.com>
5460 * configure.ac (gold_cv_c_random_seed): New configured variable.
5461 (RANDOM_SEED_CFLAGS): New substituted variable.
5462 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5463 * configure: Rebuild.
5464 * Makefile.in: Likewise.
5465 * testsuite/Makefile.in: Likewise.
5467 2008-07-18 Ian Lance Taylor <iant@google.com>
5469 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5470 where we see NAME/NULL and NAME/VERSION as separate symbols.
5471 * testsuite/ver_test_main.cc (main): Call t4.
5472 (t4, t4_2a): Define.
5473 * testsuite/ver_test_2.cc (t4_2): Define.
5474 * testsuite/ver_test_2.script: Put t4_2a in VER2.
5475 * testsuite/ver_test_4.cc (t4_2a): Define.
5476 * testsuite/ver_test_4.script: Put t4_2a in VER2.
5477 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5479 2008-07-17 Ian Lance Taylor <iant@google.com>
5481 * dynobj.cc (Versions::add_def): If we give an error about a
5482 missing version, go ahead and create the version anyhow.
5484 2008-07-10 Ian Lance Taylor <iant@google.com>
5486 Handle output sections with more than 0x7fffffff bytes.
5487 * object.h (class Relobj): Change map_to_output_ to
5488 output_sections_, and just keep a section pointer. Change all
5489 uses. Move comdat group support to Sized_relobj.
5490 (Relobj::is_section_specially_mapped): Remove.
5491 (Relobj::output_section): Remove poff parameter. Change all
5493 (Relobj::output_section_offset): New function.
5494 (Relobj::set_section_offset): Rewrite.
5495 (Relobj::map_to_output): Remove.
5496 (Relobj::output_sections): New function.
5497 (Relobj::do_output_section_offset): New pure virtual function.
5498 (Relobj::do_set_section_offset): Likewise.
5499 (class Sized_relobj): Add section_offsets_ field. Add comdat
5500 group support from Relobj. Update declarations.
5501 (Sized_relobj::get_output_section_offset): New function.
5502 (Sized_relobj::do_output_section_offset): New function.
5503 (Sized_relobj::do_set_section_offset): New function.
5504 * object.cc (Relobj::output_section_address): Remove.
5505 (Sized_relobj::Sized_relobj): Initialize new fields.
5506 (Sized_relobj::include_section_group): Cast find_kept_object to
5508 (Sized_relobj::include_linkonce_section): Likewise.
5509 (Sized_relobj::do_layout): Use separate arrays for output section
5511 (Sized_relobj::do_count_local_symbols): Change map_to_output to
5513 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5514 output_sections and section_offsets.
5515 (Sized_relobj::write_local_symbols): Likewise.
5516 (map_to_kept_section): Compute output address directly.
5517 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5518 output_sections and section_offsets.
5519 (Sized_relobj::write_sections): Likewise.
5520 (Sized_relobj::relocate_sections): Likewise.
5521 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5522 * output.h (class Output_reloc): Update declarations. Change
5523 u2_.relobj to Sized_relobj*.
5524 (class Output_data_reloc): Change add functions to use
5526 * output.cc (Output_reloc::Output_reloc): Change relobj to
5528 (Output_reloc::local_section_offset): Change return type to
5529 Elf_Addr. Use get_output_section_offset.
5530 (Output_reloc::get_address): Likewise.
5531 (Output_section::is_input_address_mapped): Don't call
5532 is_section_specially_mapped.
5533 (Output_section::output_offset): Likewise.
5534 (Output_section::output_address): Likewise.
5535 (Output_section::starting_output_address): Likewise.
5536 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5537 parameter to Sized_relobj*.
5538 (Copy_relocs::need_copy_reloc): Likewise.
5539 (Copy_relocs::save): Likewise.
5540 * copy-relocs.h (class Copy_relocs): Update declarations.
5541 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5542 Sized_relobj*. Change relobj_ field to Sized_relobj*.
5543 * target-reloc.h (relocate_for_relocatable): Change
5544 offset_in_output_section type to Elf_Addr. Change code that uses
5546 * layout.cc (Layout::layout): Always set *off.
5547 * mapfile.cc (Mapfile::print_input_section): Use
5548 output_section_offset.
5549 * i386.cc (Target_i386::copy_reloc): Change object parameter to
5551 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5552 * sparc.cc (Target_sparc::copy_reloc): Likewise.
5553 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5555 2008-07-03 Ian Lance Taylor <iant@google.com>
5557 * layout.cc (Layout::include_section): Do not discard unrecognized
5558 SHT_STRTAB sections.
5560 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
5562 * script.cc (Lex::can_continue_name): Make '?' allowable in
5563 version-script names.
5564 * testsuite/version_script.map: Change glob pattern to use '?'
5566 2008-06-30 Manish Singh <yosh@gimp.org>
5569 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5572 2008-06-30 Ian Lance Taylor <iant@google.com>
5576 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5577 versions]: Don't try to read the value in the contents, since we
5578 don't use it. Use the template endianness when writing.
5580 2008-06-25 Cary Coutant <ccoutant@google.com>
5582 * fileread.cc (File_read::make_view): Assert on zero-length view.
5583 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5584 symbol table when there are no symbols to read.
5586 2008-06-23 Craig Silverstein <csilvers@google.com>
5588 * version.cc (version_string): Bump to 1.7
5590 2008-06-18 Craig Silverstein <csilvers@google.com>
5592 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5593 constant 0xFFFF to type Valtype.
5594 (Powerpc_relocate_functions::rel16_ha): Likewise.
5596 2008-06-17 Ian Lance Taylor <iant@google.com>
5598 * output.h (Output_section::Input_section): Initialize p2align_ to
5599 zero for Output_section_data constructors.
5600 (Output_section::Input_section::addralign): If not an input
5601 section, return the alignment of the Output_section_data.
5602 * testsuite/copy_test.cc: New file.
5603 * testsuite/copy_test_1.cc: New file.
5604 * testsuite/copy_test_2.cc: New file.
5605 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5606 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5607 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5608 (copy_test_1_pic.o, copy_test_1.so): New targets.
5609 (copy_test_2_pic.o, copy_test_2.so): New targets.
5610 * testsuite/Makefile.in: Rebuild.
5612 * script-sections.cc (Script_sections::place_orphan): Initialize
5613 local variable exact.
5615 2008-06-13 David Edelsohn <edelsohn@gnu.org>
5617 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5619 2008-06-12 David Edelsohn <edelsohn@gnu.org>
5620 David S. Miller <davem@davemloft.net>
5622 * powerpc.cc: New file.
5623 * Makefile.am (TARGETSOURCES): Add powerpc.cc
5624 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5625 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5626 * Makefile.in: Rebuild.
5628 2008-06-09 Ian Lance Taylor <iant@google.com>
5630 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5632 (throwing, orig_terminate): New static variables.
5633 (terminate_handler): New static function.
5634 (t2): Set terminate handler.
5636 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
5639 * binary.cc (Binary_to_elf::sized_convert): Fix .data
5642 2008-05-30 Cary Coutant <ccoutant@google.com>
5644 * archive.cc (Archive::include_all_members) Correct to step
5645 over symbol table and extended name table in thin archives.
5647 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
5650 * target-reloc.h (relocate_for_relocatable): Fix new_offset
5653 2008-05-28 Caleb Howe <cshowe@google.com>
5655 * reduced_debug_output.cc: New file.
5656 * reduced_debug_output.h: New file.
5657 * options.h (class General_options): Add --strip-debug-non-line.
5658 * options.cc (General_options::finalize): Add strip_debug_non_line
5659 to the strip heirarchy.
5660 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5662 * layout.cc: Include "reduced_debug_output.h".
5663 (Layout::Layout): Initialize new fields.
5664 (line_only_debug_sections): New static array.
5665 (is_lines_only_debug_sections): New static inline function.
5666 (Layout::include_section): Handle --strip-debug-non-line.
5667 (Layout::make_output_section): If --strip-debug-non-line, build
5668 new output sections for .debug_abbrev and .debug_info.
5669 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5670 gold. Warn about possible overflow.
5671 (read_signed_LEB_128): Likewise.
5672 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5673 (read_signed_LEB_128): Declare.
5674 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5675 (HFILES): Add reduced_debug_output.h.
5676 * Makefile.in: Rebuild.
5678 2008-05-21 Ian Lance Taylor <iant@google.com>
5680 * mapfile.cc: New file.
5681 * mapfile.h: New file.
5682 * options.h (class General_options): Add -M/--print-map and -Map.
5683 * options.cc (General_options::finalize): Make -M equivalent to
5685 * main.cc: Include <cstdio> and "mapfile.h".
5686 (main): Open mapfile if requested.
5687 * gold.cc (class Middle_runner): Add mapfile_ field. Update
5688 constructor. Change caller.
5689 (queue_initial_tasks): Add mapfile parameter. Change caller.
5690 (queue_middle_tasks): Likewise.
5691 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5693 * archive.cc: Include "mapfile.h".
5694 (Archive::add_symbols): Add mapfile parameter. Change all
5695 callers. Pass mapfile, symbol, and reason to include_member.
5696 (Archive::include_all_members): Add mapfile parameter. Change all
5698 (Archive::include_member): Add mapfile, sym, and why parameters.
5699 Change all callers. Report inclusion to map file.
5700 * archive.h: Include "fileread.h".
5701 (class Archive): Update declarations.
5702 (Archive::file): New const method.
5703 (class Add_archive_symbols): Add mapfile_ field. Update
5704 constructor. Change all callers.
5705 * readsyms.h (class Read_symbols): Likewise.
5706 (class Finish_group): Likewise.
5707 (class Read_script): Likewise.
5708 * common.cc: Include "mapfile.h".
5709 (Symbol_table::allocate_commons): Add mapfile parameter. Change
5711 (Symbol_table::do_allocate_commons): Likewise.
5712 (Symbol_table::do_allocate_commons_list): Likewise. Report common
5713 symbol allocation to mapfile.
5714 * common.h (class Allocate_commons_task): Add mapfile_ field.
5715 Update constructor. Change all callers.
5716 * symtab.h (class Symbol_table): Update declarations.
5717 * layout.cc: Include "mapfile.h".
5718 (Layout_task_runner::run): Print information to mapfile.
5719 (Layout::create_gold_note): Change Output_data_fixed_space to
5720 Output_data_zero_fill.
5721 (Layout::create_build_id): Likewise.
5722 (Layout::print_to_mapfile): New function.
5723 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
5724 constructor. Change caller.
5725 (class Layout): Declare print_to_mapfile.
5726 * output.cc (Output_section::Input_section::print_to_mapfile): New
5728 (Output_section::add_input_section): If producing a map, always
5729 add to input_sections_ list.
5730 (Output_section::do_print_to_mapfile): New function.
5731 (Output_segment::print_sections_to_mapfile): New function.
5732 (Output_segment::print_section_list_to_mapfile): New function.
5733 * output.h: Include "mapfile.h".
5734 (Output_data::print_to_mapfile): New function.
5735 (Output_data::do_print_to_mapfile): New virtual function.
5736 (Output_segment_headers::do_print_to_mapfile): New function.
5737 (Output_file_header::do_print_to_mapfile): New function.
5738 (Output_data_const::do_print_to_mapfile): New function.
5739 (class Output_data_const_buffer): Add map_name_ field. Update
5740 constructor. Change all callers. Add do_print_to_mapfile
5742 (class Output_data_fixed_space): Likewise.
5743 (class Output_data_space): Likewise.
5744 (class Output_data_zero_fill): New class.
5745 (Output_data_strtab::do_print_to_mapfile): New function.
5746 (Output_data_reloc_base::do_print_to_mapfile): New function.
5747 (Output_relocatable_relocs::do_print_to_mapfile): New function.
5748 (Output_data_group::do_print_to_mapfile): New function.
5749 (Output_data_got::do_print_to_mapfile): New function.
5750 (Output_data_dynamic::do_print_to_mapfile): New function.
5751 (Output_symtab_xindex::do_print_to_mapfile): New function.
5752 (class Output_section): Declare do_print_to_mapflie. Declare
5753 print_to_mapfile in Input_section.
5754 (class Output_segment): Declare new functions.
5755 * object.h (Sized_relobj::symbol_count): New function.
5756 * script-sections.cc
5757 (Output_section_element_dot_assignment::set_section_addresses):
5758 Change Output_data_fixed_space to Output_data_zero_fill.
5759 (Output_data_expression::do_print_to_mapfile): New function.
5760 * script.cc (read_input_script): Add mapfile parameter. Change
5762 * script.h (read_input_script): Update declaration.
5763 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5764 (Eh_frame::do_print_to_mapfile): New function.
5765 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5766 (Output_merge_string::do_print_to_mapfile): New function.
5767 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5769 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5771 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5773 * Makefile.am (CCFILES): Add mapfile.cc.
5774 (HFILES): Add mapfile.h.
5775 * Makefile.in: Rebuild.
5777 2008-05-19 Ian Lance Taylor <iant@google.com>
5779 * options.h (class General_options): Add -z relro.
5780 * layout.cc (Layout::Layout): Initialize relro_segment_.
5781 (Layout::add_output_section_data): Return the output section.
5782 (Layout::make_output_section): Rcognize relro sections and mark
5784 (Layout::attach_allocated_section_to_segment): Put relro sections
5785 in a PT_GNU_RELRO segment.
5786 (Layout::create_initial_dynamic_sections): Mark the .dynamic
5788 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5790 (Layout::linkonce_mapping): Map d.rel.ro.local to
5792 (Layout::output_section_name): Us .data.rel.ro.local for any
5793 section which begins with that.
5794 * layout.h (class Layout): Update add_output_section_data
5795 declaration. Add relro_segment_ field.
5796 * output.cc (Output_section::Output_section): Initialize is_relro_
5797 and is_relro_local_ fields.
5798 (Output_segment::add_output_section): Group relro sections.
5799 (Output_segment::is_first_section_relro): New function.
5800 (Output_segment::maximum_alignment): If there is a relro section,
5801 align the segment to the common page size.
5802 (Output_segment::set_section_addresses): Track whether we are
5803 looking at relro sections. If the last section is a relro
5804 section, align to the common page size.
5805 (Output_segment::set_section_list_addresses): Add in_relro
5806 parameter. Change all callers. Align to the page size when
5807 moving from relro to non-relro section.
5808 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5810 * output.h (class Output_section): Add is_relro_ and
5811 is_relro_local_ fields.
5812 (Output_section::is_relro): New function.
5813 (Output_section::set_is_relro): New function.
5814 (Output_section::is_relro_local): New function.
5815 (Output_section::set_is_relro_local): New function.
5816 (class Output_segment): Update declarations.
5817 * i386.cc (Target_i386::got_section): Mark .got section as relro.
5818 * sparc.cc (Target_sparc::got_section): Likewise.
5819 * x86_64.cc (Target_x86_64::got_section): Likewise.
5820 * testsuite/relro_test_main.cc: New file.
5821 * testsuite/relro_test.cc: New file.
5822 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5823 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5824 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5825 (relro_test.so, relro_test_pic.o): New targets.
5826 * testsuite/Makefile.in: Rebuild.
5828 2008-05-16 Ian Lance Taylor <iant@google.com>
5830 * output.cc (Output_segment::add_output_section): Remove front
5832 * output.h (class Output_segment): Remove
5833 add_initial_output_section and overloaded add_output_section.
5834 Update declaration of remaining add_output_section.
5835 * layout.cc (Layout::create_interp): Call add_output_section
5836 rather than add_initial_output_section.
5837 (Layout::finish_dynamic_section): Likewise.
5839 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5840 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
5841 know the dynamic type.
5842 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5843 field. Initialize it in constructor.
5844 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5845 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5846 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5849 * output.cc (Output_reloc::get_address): Change return type to
5851 * output.h (class Output_reloc): Update get_address declaration.
5852 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5853 for section addresses.
5855 2008-05-09 Ian Lance Taylor <iant@google.com>
5858 * gold.cc (gold_nomem): Use return value of write.
5860 2008-05-08 Ian Lance Taylor <iant@google.com>
5862 * symtab.c (Symbol::init_base_output_data): Add version
5863 parameter. Change all callers.
5864 (Symbol::init_base_output_segment): Likewise.
5865 (Symbol::init_base_constant): Likewise.
5866 (Symbol::init_base_undefined): Likewise.
5867 (Sized_symbol::init_output_data): Likewise.
5868 (Sized_symbol::init_output_segment): Likewise.
5869 (Sized_symbol::init_constant): Likewise.
5870 (Sized_symbol::init_undefined): Likewise.
5871 (Symbol_table::do_define_in_output_data): If the new symbol has a
5872 version, mark it as the default.
5873 (Symbol_table::do_define_in_output_segment): Likewise.
5874 (Symbol_table::do_define_as_constant): Likewise.
5875 * symtab.h (class Symbol): Update declarations.
5876 (class Sized_symbol): Likewise.
5877 * resolve.cc (Symbol::override_version): New function.
5878 (Symbol::override_base): Call override_version.
5879 (Symbol::override_base_with_special): Likewise.
5880 * testsuite/ver_script_8.script: New file.
5881 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5882 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5883 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5884 (ver_test_8_1.so, ver_test_8_2.so): New targets.
5886 2008-05-06 Ian Lance Taylor <iant@google.com>
5889 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5891 (class General_options): Remove existing --undefined, and add
5892 --no-undefined instead. Add new --undefined as synonym for -u.
5893 * archive.cc (Archive::add_symbols): Check whether symbol was
5895 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5896 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5897 all uses. Add IS_UNDEFINED. Update declarations to split
5898 different versions of init_base. Declare init_base_undefined.
5899 (Symbol::is_defined): Handle IS_UNDEFINED.
5900 (Symbol::is_undefined): Likewise.
5901 (Symbol::is_weak_undefined): Call is_undefined.
5902 (Symbol::is_absolute): Handle IS_CONSTANT.
5903 (class Sized_symbol): Update declarations to split different
5904 versions of init. Declare init_undefined.
5905 (class Symbol_table): Declare new functions.
5906 * symtab.cc (Symbol::init_base_object): Rename from init_base.
5908 (Symbol::init_base_output_data): Likewise.
5909 (Symbol::init_base_output_segment): Likewise.
5910 (Symbol::init_base_constant): Likewise.
5911 (Symbol::init_base_undefined): New function.
5912 (Sized_symbol::init_object): Rename from init. Change all
5914 (Sized_symbol::init_output_data): Likewise.
5915 (Sized_symbol::init_output_segment): Likewise.
5916 (Sized_symbol::init_constant): Likewise.
5917 (Sized_symbol::init_undefined): New function.
5918 (Symbol_table::add_undefined_symbols_from_command_line): New
5920 (Symbol_table::do_add_undefined_symbols_from_command_line): New
5922 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5923 (Symbol::output_section): Likewise.
5924 (Symbol::set_output_section): Likewise.
5925 (Symbol_table::sized_finalize_symbol): Likewise.
5926 (Symbol_table::sized_write_globals): Likewise.
5927 * resolve.cc (Symbol_table::should_override): Likewise.
5928 (Symbol::override_base_with_special): Likewise.
5930 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5931 symbol, change it to have default visibility.
5932 * testsuite/protected_1.cc: New file.
5933 * testsuite/protected_2.cc: New file.
5934 * testsuite/protected_3.cc: New file.
5935 * testsuite/protected_main_1.cc: New file.
5936 * testsuite/protected_main_2.cc: New file.
5937 * testsuite/protected_main_3.cc: New file.
5938 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5939 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5940 (protected_1_LDFLAGS, protected_1_LDADD): Define.
5941 (protected_1.so): New target.
5942 (protected_1_pic.o, protected_2_pic.o): New targets.
5943 (protected_3_pic.o): New target.
5944 (check_PROGRAMS): Add protected_2.
5945 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5946 (protected_2_LDFLAGS, protected_2_LDADD): Define.
5947 * testsuite/Makefile.in: Rebuild.
5949 * options.h (DEFINE_var): Add set_user_set_##varname__.
5950 (DEFINE_bool_alias): New macro.
5951 (class General_options): Define -Bstatic using DEFINE_bool_alias
5952 rather than DEFINE_special. Add --undefined as an alias for -z
5954 * options.cc (General_options::parse_Bstatic): Remove.
5956 * options.h (class General_options): Add --fatal-warnings.
5957 * main.cc (main): Implement --fatal-warnings.
5958 * errors.h (Errors::warning_count): New function.
5960 * options.h (class General_options): Add -Bsymbolic-functions.
5961 * symtab.h (Symbol::is_preemptible): Check for
5962 -Bsymbolic-functions.
5964 2008-05-05 Ian Lance Taylor <iant@google.com>
5966 * options.h (DEFINE_bool): For DASH_Z, create the negative option
5967 as noVARNAME rather than no-VARNAME.
5968 (class General_options): Add option -z combreloc.
5969 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5971 (Output_reloc::sort_before) [SHT_REL]: New function.
5972 (Output_reloc::sort_before) [SHT_RELA]: New function.
5973 (class Output_data_reloc_base): Add sort_relocs_ field. Define
5974 Sort_relocs_comparison.
5975 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5976 parameter. Change all callers.
5977 (Output_data_reloc::Output_data_reloc) [both versions]: Add
5978 sort_relocs parameter. Change all callers.
5979 * output.cc (Output_reloc::get_address): New function, broken out
5981 (Output_reloc::write_rel): Call it.
5982 (Output_reloc::compare): New function.
5983 (Output_data_reloc_base::do_write): Optionally sort relocs.
5985 * configure.ac: If targ_extra_obj is set, link it in.
5986 * configure.tgt: Initialize all variables.
5987 (x86_64*): Set targ_extra_obj and targ_extra_size.
5988 * configure: Rebuild.
5990 * object.cc (Sized_relobj::include_section_group): Adjust section
5991 indexes read from group data. Build vector to pass to
5993 * layout.cc (Layout::layout_group): Add flags and shndxes
5994 parameters. Remove contents parameter. Change caller. Update
5995 explicit instantiations.
5996 * layout.h (class Layout): Update layout_group declaration.
5997 * output.cc (Output_data_group::Output_data_group): Add flags and
5998 input_shndxes parameters. Remove contents parameter. Change
6000 (Output_data_group::do_write): Change input_sections_ to
6002 * output.h (class Output_data_group): Update constructor
6003 declaration. Rename input_sections_ to input_shndxes_.
6004 * testsuite/many_sections_test.cc: Add template.
6006 2008-04-30 Cary Coutant <ccoutant@google.com>
6008 * target-reloc.h (relocate_section): Fix dead-pointer bug.
6010 * layout.cc (Layout::include_section): Refactored check for debug
6012 (Layout::add_comdat): Add new parameters. Change type
6013 of signature parameter. Add object and shndx to signatures table.
6014 (Layout::find_kept_object): New function.
6015 * layout.h: Include <cstring>.
6016 (Layout::is_debug_info_section): New function.
6017 (Layout::add_comdat): Add new parameters.
6018 (Layout::find_kept_object): New function.
6019 (Layout::Kept_section): New struct.
6020 (Layout::Signatures): Change type of map range.
6021 * object.cc (Relobj::output_section_address): New function.
6022 (Sized_relobj::include_section_group): Add new parameters. Change
6023 calls to Layout::add_comdat. Change to build table of kept comdat
6024 groups and table mapping discarded sections to kept sections.
6025 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
6026 (Sized_relobj::do_layout): Change calls to include_section_group and
6027 include_linkonce_section.
6028 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
6029 value to zero when section is discarded.
6030 (Sized_relobj::map_to_kept_section): New function.
6031 * object.h (Relobj::output_section_address): New function.
6032 (Relobj::Comdat_group): New type.
6033 (Relobj::find_comdat_group): New function.
6034 (Relobj::Comdat_group_table): New type.
6035 (Relobj::Kept_comdat_section): New type.
6036 (Relobj::Kept_comdat_section_table): New type.
6037 (Relobj::add_comdat_group): New function.
6038 (Relobj::set_kept_comdat_section): New function.
6039 (Relobj::get_kept_comdat_section): New function.
6040 (Relobj::comdat_groups_): New field.
6041 (Relobj::kept_comdat_sections_): New field.
6042 (Symbol_value::input_value): Update comment.
6043 (Sized_relobj::map_to_kept_section) New function.
6044 (Sized_relobj::include_linkonce_section): Add new parameter.
6045 * target-reloc.h (Comdat_behavior): New type.
6046 (get_comdat_behavior): New function.
6047 (relocate_section): Add code to map a discarded section to the
6048 corresponding kept section when applying a relocation.
6050 2008-04-30 Craig Silverstein <csilvers@google.com>
6052 * dwarf_reader.cc (next_generation_count): New static var.
6053 (Addr2line_cache_entry): New struct.
6054 (addr2line_cache): New static var.
6055 (Dwarf_line_info::one_addr2line): Added caching.
6056 (Dwarf_line_info::clear_addr2line_cache): New function.
6057 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6058 cache-size parameter.
6059 (Dwarf_line_info::one_addr2line_cache): New function.
6060 * symtab.cc (Symbol_table::detect_odr_violations): Pass
6061 new cache-size argument to one_addr2line(), and clear cache.
6063 2008-04-28 Cary Coutant <ccoutant@google.com>
6065 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6066 R_386_PC8 relocations.
6068 2008-04-23 Ian Lance Taylor <iant@google.com>
6070 * object.cc (Sized_relobj::include_section_group): Check for
6071 invalid section group.
6073 * object.cc (make_elf_object): Correct test for 64-bit ELF file
6076 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6077 than read for file header.
6078 * archive.cc (Archive::include_member): Likewise.
6080 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
6082 * aclocal.m4: Regenerate.
6083 * configure: Regenerate.
6085 2008-04-19 Ian Lance Taylor <iant@google.com>
6087 * version.cc (version_string): Bump to 1.6.
6089 * testsuite/Makefile.am (many_sections_r_test): New target.
6090 (many_sections_r_test_SOURCES): Remove.
6091 (many_sections_r_test_DEPENDENCIES): Remove.
6092 (many_sections_r_test_LDFLAGS): Remove.
6093 (many_sections_r_test_LDADD): Remove.
6095 * object.cc (Sized_relobj::do_add_symbols): Always pass
6096 local_symbol_count_ to add_from_relobj.
6098 * testsuite/Makefile.am (many_sections_check.h): Only check one in
6099 every thousand variables.
6100 * testsuite/Makefile.in: Rebuild.
6102 * object.cc (Xindex::initialize_symtab_xindex): New function.
6103 (Xindex::read_symtab_xindex): New function.
6104 (Xindex::sym_xindex_to_shndx): New function.
6105 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6107 (Sized_relobj::do_initialize_xindex): New function.
6108 (Sized_relobj::do_read_symbols): Adjust section links.
6109 (Sized_relobj::symbol_section_and_value): Add is_ordinary
6110 parameter. Change all callers.
6111 (Sized_relobj::include_section_group): Adjust section links and
6112 symbol section indexes.
6113 (Sized_relobj::do_layout): Adjust section links.
6114 (Sized_relobj::do_count_local_symbols): Adjust section links and
6115 symbol section indexes.
6116 (Sized_relobj::do_finalize_local_symbols): Distinguish between
6117 ordinary and special symbols.
6118 (Sized_relobj::write_local_symbols): Add symtab_xindex and
6119 dynsym_xindex parameters. Change all callers. Adjust section
6120 links. Use SHN_XINDEX when needed.
6121 (Sized_relobj::get_symbol_location_info): Adjust section links.
6122 Don't get fooled by special symbols.
6123 * object.h (class Xindex): Define.
6124 (class Object): Add xindex_ parameter. Declare virtual functoin
6125 do_initialize_xindex.
6126 (Object::adjust_sym_shndx): New function.
6127 (Object::set_xindex): New protected function.
6128 (class Symbol_value): Add is_ordinary_shndx_ field.
6129 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6130 (Symbol_value::value): Assert ordinary section.
6131 (Symbol_value::initialize_input_to_output_map): Likewise.
6132 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6134 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
6136 (class Sized_relobj): Update declarations.
6137 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6138 parameter. Change all callers.
6139 (Sized_relobj::adjust_shndx): New function.
6140 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6142 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6143 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
6144 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
6145 (Sized_dynobj::read_dynsym_section): Adjust section links.
6146 (Sized_dynobj::read_dynamic): Likewise.
6147 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
6149 (Sized_dynobj::do_initialize_xindex): New function.
6150 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
6151 do_initialize_xindex.
6152 (Sized_dynobj::adjust_shndx): New function.
6153 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6154 dynsym_xindex_ fields.
6155 (Layout::finalize): Add a call to set_section_indexes before
6156 creating the symtab sections.
6157 (Layout::set_section_indexes): Don't do anything if the section
6158 already has a section index.
6159 (Layout::create_symtab_sections): Add shnum parameter. Change
6160 caller. Create .symtab_shndx section if needed.
6161 (Layout::create_shdrs): Add shstrtab_section parameter. Change
6163 (Layout::allocated_output_section_count): New function.
6164 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6166 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6167 fields. Update declarations.
6168 (Layout::symtab_xindex): New function.
6169 (Layout::dynsym_xindex): New function.
6170 (class Write_symbols_task): Add layout_ field.
6171 (Write_symbols_task::Write_symbols_task): Add layout parameter.
6173 * output.cc (Output_section_headers::Output_section_headers): Add
6174 shstrtab_section parameter. Change all callers.
6175 (Output_section_headers::do_sized_write): Store overflow values
6176 for section count and section string table section index in
6177 section header zero.
6178 (Output_file_header::do_sized_write): Check for overflow of
6179 section count and section string table section index.
6180 (Output_symtab_xindex::do_write): New function.
6181 (Output_symtab_xindex::endian_do_write): New function.
6182 * output.h (class Output_section_headers): Add shstrtab_section_.
6183 Update declarations.
6184 (class Output_symtab_xindex): Define.
6185 (Output_section::has_out_shndx): New function.
6186 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6188 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6190 (Sized_symbol::init): Likewise.
6191 (Symbol::output_section): Check for ordinary symbol.
6192 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
6193 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
6195 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6196 Change all callers. Simplify handling of symbols from sections
6197 not included in the link.
6198 (Symbol_table::add_from_dynobj): Handle ordinary symbol
6200 (Weak_alias_sorter::operator()): Assert that symbols are
6202 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6204 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6205 parameters. Change all callers.
6206 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
6207 symbol distinction. Use SHN_XINDEX when needed.
6208 (Symbol_table::write_section_symbol): Add symtab_xindex
6209 parameter. Change all callers.
6210 (Symbol_table::sized_write_section_symbol): Likewise. Use
6211 SHN_XINDEX when needed.
6212 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
6214 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
6215 (Symbol::is_defined): Check is_ordinary.
6216 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6217 (Symbol::is_absolute, Symbol::is_common): Likewise.
6218 (class Sized_symbol): Update declarations.
6219 (class Symbol_table): Update declarations.
6220 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6221 parameters. Change all callers.
6222 (Sized_symbol::override): Likewise.
6223 (Symbol_table::override): Likewise.
6224 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
6225 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
6226 is_ordinary, and orig_st_shndx parameters. Change all callers.
6227 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6228 to be in an ordinary section.
6229 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6230 object and is_ordinary parameters. Change all callers.
6231 (Sized_dwarf_line_info::read_relocs): Add object parameter.
6232 Change all callers. Don't add undefined or non-ordinary symbols
6234 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6236 * dwarf_reader.h (class Sized_dwarf_line_info): Update
6238 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6239 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6240 (Sized_relobj::relocate_sections): Likewise.
6241 * target-reloc.h (scan_relocs): Adjust section symbol index.
6242 (scan_relocatable_relocs): Likewise.
6243 * i386.cc (Scan::local): Check for ordinary symbols.
6244 * sparc.cc (Scan::local): Likewise.
6245 * x86_64.cc (Scan::local): Likewise.
6246 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6247 to symbol_section_and_value.
6248 * testsuite/many_sections_test.cc: New file.
6249 * testsuite/Makefile.am (BUILT_SOURCES): Define.
6250 (check_PROGRAMS): Add many_sections_test.
6251 (many_sections_test_SOURCES): Define.
6252 (many_sections_test_DEPENDENCIES): Define.
6253 (many_sections_test_LDFLAGS): Define.
6254 (BUILT_SOURCES): Add many_sections_define.h.
6255 (many_sections_define.h): New target.
6256 (BUILT_SOURCES): Add many_sections_check.h.
6257 (many_sections_check.h): New target.
6258 (check_PROGRAMS): Add many_sections_r_test.
6259 (many_sections_r_test_SOURCES): Define.
6260 (many_sections_r_test_DEPENDENCIES): Define.
6261 (many_sections_r_test_LDFLAGS): Define.
6262 (many_sections_r_test_LDADD): Define.
6263 (many_sections_r_test.o): New target.
6264 * testsuite/Makefile.in: Rebuild.
6266 2008-04-17 Cary Coutant <ccoutant@google.com>
6268 * errors.cc (Errors::info): New function.
6269 (gold_info): New function.
6270 * errors.h (Errors::info): New function.
6271 * gold.h (gold_info): New function.
6272 * object.cc (Input_objects::add_object): Print trace output.
6273 * options.cc (options::parse_set): New function.
6274 (General_options::parse_wrap): Deleted.
6275 (General_options::General_options): Deleted initializer.
6276 * options.h (options::String_set): New typedef.
6277 (options::parse_set): New function.
6278 (DEFINE_set): New macro.
6279 (General_options::wrap): Changed to use DEFINE_set. Changed
6280 callers of any_wrap_symbols and is_wrap_symbol.
6281 (General_options::trace, General_options::trace_symbol):
6283 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6284 (General_options::wrap_symbols_): Deleted.
6285 * symtab.cc (Symbol_table::add_from_object): Print trace output.
6287 2008-04-17 David S. Miller <davem@davemloft.net>
6289 * options.cc (General_options::parse_V): New function.
6290 * options.h: Add entries for -V and -Qy.
6292 2008-04-17 Ian Lance Taylor <iant@google.com>
6294 * common.cc (Symbol_table::allocate_commons): Remove options
6295 parameter. Change caller.
6296 (Symbol_table::do_allocate_commons): Remove options parameter.
6297 Change caller. Just call do_allocate_commons_list twice.
6298 (Symbol_table::do_allocate_commons_list): New function, broken out
6299 of do_allocate_commons.
6300 * common.h (class Allocate_commons_task): Remove options_ field.
6302 * symtab.cc (Symbol_table::Symbol_table): Initialize
6304 (Symbol_table::add_from_object): Put TLS common symbols on
6306 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6307 which are IN_OUTPUT_DATA.
6308 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
6309 allocate_commons and do_allocate_commons declarations. Declare
6310 do_allocate_commons_list.
6311 * gold.cc (queue_middle_tasks): Update creation of
6312 Allocate_commons_task to not pass options.
6313 * testsuite/Makefile.am (INCLUDES): Add -I.. .
6314 (TLS_TEST_C_FLAGS): New variable.
6315 (tls_test_c_pic.o): New target.
6316 (tls_test_shared.so): Link in tls_test_c_pic.o.
6317 (tls_test_c_pic_ie.o): New target.
6318 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6319 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6320 (tls_test_c.o): New target.
6321 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6322 (tls_pic_test_LDADD): Likewise.
6323 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6324 (tls_shared_gd_to_ie_test_LDADD): Likewise.
6325 (tls_test_c_gnu2.o): New target.
6326 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6328 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6329 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6330 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6331 * testsuite/tls_test.cc: Include "config.h".
6332 (t_last): Call t11_last.
6333 * testsuite/tls_test.h (t11, t11_last): Declare.
6334 * testsuite/tls_test_c.c: New file.
6335 * testsuite/tls_test_main.cc (thread_routine): Call t11.
6336 * configure.ac: Check for OpenMP support.
6337 * configure, config.in, Makefile.in: Rebuild.
6338 * testsuite/Makefile.in: Rebuild.
6340 2008-04-16 Cary Coutant <ccoutant@google.com>
6342 * i386.cc (Target_i386::define_tls_base_symbol): New function.
6343 (Target_i386::tls_base_symbol_defined_): New field.
6344 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6345 (Target_i386::Scan::global): Likewise.
6346 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6347 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6348 (Target_x86_64::tls_base_symbol_defined_): New field.
6349 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6350 (Target_x86_64::Scan::global): Likewise.
6352 2008-04-16 Cary Coutant <ccoutant@google.com>
6354 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6355 (Symbol::needs_plt_entry): Allow weak undefined symbols.
6356 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6357 building shared libraries.
6358 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6359 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6360 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6361 * testsuite/Makefile.in: Rebuild.
6362 * testsuite/weak_undef.h: New file.
6363 * testsuite/weak_undef_file1.cc: Add extra test cases.
6364 * testsuite/weak_undef_file2.cc: Likewise.
6365 * testsuite/weak_undef_test.cc: Likewise.
6367 2008-04-16 David S. Miller <davem@davemloft.net>
6369 * sparc.cc (Target_sparc::Scan): Change from struct to class.
6370 Add issued_non_pic_error_ field. Declare check_non_pic.
6371 (Target_sparc::Scan::check_non_pic): New function.
6372 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6373 (Target_sparc::Scan::global): Likewise.
6375 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6376 * configure: Rebuild.
6378 * options.h (DEFINE_enable): New macro.
6379 (new_dtags): New enable option.
6380 (initfirst, interpose, loadfltr, nodefaultlib,
6381 nodelete, nodlopen, nodump): New -z options.
6382 * layout.cc (Layout:finish_dynamic_section): If new
6383 dtags enabled, emit DT_RUNPATH. Also, emit a
6384 DT_FLAGS_1 containing any specified -z flags.
6386 2008-04-16 Ian Lance Taylor <iant@google.com>
6388 * copy-relocs.cc: New file.
6389 * copy-relocs.h: New file.
6390 * reloc.cc: Remove Copy_relocs code.
6391 * reloc.h: Likewise.
6392 * reloc-types.h (struct Reloc_types) [both versions]: Add
6393 get_reloc_addend_noerror.
6394 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6395 variants of add_global which take an addend which must be zero.
6396 * i386.cc: Include "copy-relocs.h".
6397 (class Target_i386): Change type of copy_relocs_ to variable,
6399 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6401 (Target_i386::do_finalize_sections): Change handling of
6403 * sparc.cc: Include "copy-relocs.h".
6404 (class Target_sparc): Change type of copy_relocs_ to variable,
6406 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6408 (Target_sparc::do_finalize_sections): Change handling of
6410 * x86_64.cc: Include "copy-relocs.h".
6411 (class Target_x86_64): Change type of copy_relocs_ to variable,
6413 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6414 class. Change all callers.
6415 (Target_x86_64::do_finalize_sections): Change handling of
6417 * Makefile.am (CCFILES): Add copy-relocs.cc.
6418 (HFILES): Add copy-relocs.h.
6420 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6422 * testsuite/script_test_4.sh: Permit leading zeroes.
6424 2008-04-15 Ian Lance Taylor <iant@google.com>
6426 * script-sections.cc (Script_sections::create_segments): Use
6427 header_size_adjustment even when there is enough room for the
6429 * testsuite/script_test_4.sh: New file.
6430 * testsuite/script_test_4.t: New file.
6431 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6432 (check_DATA): Add script_test_4.stdout.
6433 (MOSTLYCLEANFILES): Likewise.
6434 (script_test_4): New target.
6435 (script_test_4.stdout): New target.
6436 * testsuite/Makefile.in: Rebuild.
6438 * sparc.cc: Add definitions for Output_data_plt_sparc class
6441 2008-04-14 David S. Miller <davem@davemloft.net>
6443 * sparc.cc: New file.
6444 * Makefile.am (TARGETSOURCES): Add sparc.cc
6445 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6446 * configure.tgt: Document targ_extra_size and
6447 targ_extra_big_endian. Add entries for sparc-* and
6449 * configure.ac: Handle targ_extra_size and
6450 targ_extra_big_endian.
6451 * Makefile.in: Rebuild.
6452 * configure: Likewise.
6453 * po/POTFILES.in: Likewise.
6454 * po/gold.pot: Likewise.
6456 2008-04-14 Ian Lance Taylor <iant@google.com>
6458 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6459 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6460 in the name/type/flags to section mapping. Don't call
6461 allocate_output_section.
6462 (Layout::choose_output_section): Change parameter from adjust_name
6463 to is_input_section. Don't permit input sections after sections
6464 are attached to segments. Don't call allocate_output_section.
6465 (Layout::layout_eh_frame): Call update_flags_for_input_section,
6466 not write_enable_output_section.
6467 (Layout::make_output_section): Don't push to
6468 unattached_section_list_ nor call attach_to_segment. Call
6469 attach_section_to_segment if sections are attached.
6470 (Layout::attach_sections_to_segments): New function.
6471 (Layout::attach_section_to_segment): New function.
6472 (Layout::attach_allocated_section_to_segment): Rename from
6473 attach_to_segment. Remove flags parameter.
6474 (Layout::allocate_output_section): Remove function.
6475 (Layout::write_enable_output_section): Remove function.
6476 * layout.h (class Layout): Update for above changes. Add new
6477 field sections_are_attached_.
6478 * output.h (Output_section::update_flags_for_input_section): New
6480 * output.cc (Output_section::add_input_section): Call
6481 update_flags_for_input_section.
6482 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6484 2008-04-11 Cary Coutant <ccoutant@google.com>
6486 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6487 thought unnecessary.
6488 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6490 2008-04-11 Ian Lance Taylor <iant@google.com>
6492 * output.h (class Output_section_data): Remove inline definition
6494 * output.cc (Output_section_data::set_addralign): New function.
6496 2008-04-11 Cary Coutant <ccoutant@google.com>
6498 Add support for TLS descriptors for i386 and x86_64.
6499 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6500 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6501 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6503 (Target_i386::got_mod_index_entry): Remove unnecessary code.
6504 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6505 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
6507 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6508 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6509 Fix problem with initial-exec relocations.
6510 (Target_i386::Relocate::relocate_tls): Likewise.
6511 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6513 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6514 support for section-plus-offset dynamic table entries.
6515 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6516 (Output_data_dynamic::Dynamic_entry): Add support for
6517 section-plus-offset dynamic table entries.
6518 (Output_data_dynamic::Classification): Likewise.
6519 (Output_data_dynamic::classification_): Renamed offset_.
6520 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6521 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6522 (Target_x86_64::make_plt_section): New function.
6523 (Target_x86_64::reserve_tlsdesc_entries): New function.
6524 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6525 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6526 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6527 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6528 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6529 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6530 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6531 add extra PLT entry for TLS descriptors.
6532 (Output_data_plt_x86_64::got_): New field.
6533 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6534 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6536 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6538 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6539 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6540 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6541 R_386_TLS_DESC_CALL relocations.
6542 (Target_x86_64::Scan::global): Likewise.
6543 (Target_x86_64::do_finalize_sections): Add dynamic table entries
6544 for TLS descriptors.
6545 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6546 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6547 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6548 GD-to-IE relaxation.
6549 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6550 and TLS_DESCRIPTORS.
6551 * Makefile.in: Rebuild.
6552 * configure: Rebuild.
6553 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6554 (tls_test_shared2.so): New target.
6555 (tls_shared_gd_to_ie_test_SOURCES): New variable.
6556 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6557 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6558 (tls_shared_gd_to_ie_test_LDADD): New variable.
6559 (tls_shared_gnu2_gd_to_ie_test): New target.
6560 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6562 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6563 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6564 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6565 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6566 (tls_shared_gnu2_test): New target.
6567 (tls_test_gnu2_shared.so): New target.
6568 (tls_shared_gnu2_test_SOURCES): New variable.
6569 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6570 (tls_shared_gnu2_test_LDFLAGS): New variable.
6571 (tls_shared_gnu2_test_LDADD): New variable.
6572 * testsuite/Makefile.in: Rebuild.
6573 * testsuite/Makefile.
6575 2008-04-11 Ian Lance Taylor <iant@google.com>
6577 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6579 * testsuite/Makefile.in: Rebuild.
6581 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6583 * testsuite/script_test_2.cc (main): Adjust test.
6585 2008-04-11 David S. Miller <davem@davemloft.net>
6586 Ian Lance Taylor <iant@google.com>
6588 * options.h (General_options): Add entries for '-Y' and
6590 * options.cc (General_options:finalize): If -Y was used, add those
6591 entries to the library path instead of the default "/lib" and
6594 2008-04-11 David S. Miller <davem@davemloft.net>
6596 * testsuite/justsyms.t: Start at 0x100.
6597 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6598 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6600 * testsuite/script_test_2.cc: Adjust string and section length
6603 2008-04-09 Ian Lance Taylor <iant@google.com>
6606 * script-sections.cc (Sections_element::allocate_to_segment): Add
6608 (Output_section_definition::allocate_to_segment): Likewise.
6609 (Orphan_output_section::allocate_to_segment): Likewise.
6610 (Script_sections::attach_sections_using_phdrs_clause): Don't
6611 propagate non-PT_LOAD segments to orphan sections.
6612 * testsuite/Makefile.am (script_test_3.stdout): Generate using
6613 readelf rather than objdump.
6614 * testsuite/script_test_3.sh: Adjust accordingly. Test that
6615 .interp section and PT_INTERP segment are the same size.
6616 * testsuite/Makefile.in: Rebuild.
6618 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6619 aliases for symbols defined in the same object.
6620 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6621 (weak_alias_test_SOURCES): New variable.
6622 (weak_alias_test_DEPENDENCIES): New variable.
6623 (weak_alias_test_LDFLAGS): New variable.
6624 (weak_alias_test_LDADD): New variable.
6625 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6626 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6627 (weak_alias_test_3.o): New target.
6628 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6629 * testsuite/weak_alias_test_main.cc: New file.
6630 * testsuite/weak_alias_test_1.cc: New file.
6631 * testsuite/weak_alias_test_2.cc: New file.
6632 * testsuite/weak_alias_test_3.cc: New file.
6634 2008-04-08 Ian Lance Taylor <iant@google.com>
6636 * options.h (class General_options): Add --noinhibit-exec option.
6637 * main.cc (main): Check --noinhibit-exec.
6639 * options.h (class General_options): Define --wrap as a special
6640 option. Add wrap_symbols_ field.
6641 (General_options::any_wrap_symbols): New function.
6642 (General_options::is_wrap_symbol): New function.
6643 * options.cc (General_options::parse_wrap): New function.
6644 (General_options::General_options): Initialize wrap_symbols_.
6645 * symtab.cc (Symbol_table::wrap_symbol): New function.
6646 (Symbol_table::add_from_object): Handle --wrap.
6647 * symtab.h (class Symbol_table): Declare wrap_symbol.
6648 * target.h (Target::wrap_char): New function.
6649 (Target::Target_info): Add wrap_char field.
6650 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6651 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6652 * testsuite/testfile.cc (Target_test::test_target_info):
6655 * errors.cc (Errors::undefined_symbol): Mention symbol version if
6658 * layout.h (class Layout): Add added_eh_frame_data_ field.
6659 * layout.cc (Layout::Layout): Initialize new field.
6660 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6661 output section until we find a section we merged successfully.
6662 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6663 that the size be non-zero.
6665 * merge.cc (Object_merge_map::get_output_offset): Remove inline
6668 2008-04-08 Craig Silverstein <csilvers@google.com>
6670 * configure.ac: Export new conditional variable HAVE_ZLIB.
6671 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6673 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6674 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6676 2008-04-07 Ian Lance Taylor <iant@google.com>
6678 * version.cc (version_string): Set to "1.5".
6680 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6681 Add issued_non_pic_error_ field. Declare check_non_pic.
6682 (Target_x86_64::Scan::check_non_pic): New function.
6683 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6684 (Target_x86_64::Scan::global): Likewise.
6686 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6687 addend parameter. Change caller. Handle merge sections.
6688 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6689 Address to Addend. Don't add in the result of
6690 local_section_offset, pass down the addend and use the returned
6692 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6693 Update declarations of local_section_offset and symbol_value.
6694 * testsuite/two_file_test_1.cc (t18): New function.
6695 * testsuite/two_file_test_2.cc (f18): New function.
6696 * testsuite/two_file_test_main.cc (main): Call t18.
6697 * testsuite/two_file_test.h (t18, f18): Declare.
6699 * configure.ac: Don't test for objdump, c++filt, or readelf.
6700 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6702 (TEST_READELF): New variable.
6703 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6704 (check_PROGRAMS): Add two_file_strip_test.
6705 (two_file_strip_test): New target.
6706 (check_PROGRAMS): Add two_file_same_shared_strip_test.
6707 (two_file_same_shared_strip_test_SOURCES): New variable.
6708 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6709 (two_file_same_shared_strip_test_LDFLAGS): New variable.
6710 (two_file_same_shared_strip_test_LDADD): New variable.
6711 (two_file_shared_strip.so): New target.
6712 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6713 (ver_test_5.syms, ver_test_7.syms): Likewise.
6714 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6715 (strip_test_3.stdout): Use TEST_OBJDUMP.
6716 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6718 2008-04-04 Cary Coutant <ccoutant@google.com>
6720 * symtab.h (Symbol::is_weak_undefined): New function.
6721 (Symbol::is_strong_undefined): New function.
6722 (Symbol::is_absolute): New function.
6723 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6724 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6726 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6727 (weak_undef_test): New target.
6728 * testsuite/Makefile.in: Rebuild.
6729 * testsuite/weak_undef_file1.cc: New file.
6730 * testsuite/weak_undef_file2.cc: New file.
6731 * testsuite/weak_undef_test.cc: New file.
6733 2008-04-03 Craig Silverstein <csilvers@google.com>
6735 * compressed_output.h (class Output_compressed_section): Use
6737 * compressed_output.cc (zlib_compress): Use unsigned buffers,
6739 (zlib_compressed_suffix): Removed.
6740 (Output_compressed_section::set_final_data_size): Use unsigned
6742 * testsuite/Makefile.am (flagstest_compress_debug_sections):
6743 Fix linker invocation.
6744 (flagstest_o_specialfile_and_compress_debug_sections):
6746 * testsuite/Makefile.in: Regenerated.
6748 2008-04-02 David S. Miller <davem@davemloft.net>
6750 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6751 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6753 2008-04-02 Craig Silverstein <csilvers@google.com>
6757 2008-04-02 Ian Lance Taylor <iant@google.com>
6759 * fileread.cc (File_read::find_view): Add byteshift and vshifted
6760 parameters. Update for new key type to views_. Change all
6762 (File_read::read): Adjust for byteshift in returned view.
6763 (File_read::add_view): New function, broken out of
6765 (File_read::make_view): New function, broken out of
6767 (File_read::find_or_make_view): Add offset and aligned
6768 parameters. Rewrite accordingly. Change all callers.
6769 (File_read::get_view): Add offset and aligned parameters. Adjust
6770 for byteshift in return value.
6771 (File_read::get_lasting_view): Likewise.
6772 * fileread.h (class File_read): Update declarations.
6773 (class File_read::View): Add byteshift_ field. Add byteshift to
6774 constructor. Add byteshift method.
6775 * archive.h (Archive::clear_uncached_views): New function.
6776 (Archive::get_view): Add aligned parameter. Change all callers.
6777 * object.h (Object::get_view): Add aligned parameter. Change all
6779 (Object::get_lasting_view): Likewise.
6781 * fileread.cc (File_read::release): Don't call clear_views if
6782 there are multiple objects.
6783 * fileread.h (File_read::clear_uncached_views): New function.
6784 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6787 2008-03-31 Cary Coutant <ccoutant@google.com>
6789 Add thin archive support.
6790 * archive.cc (Archive::armagt): New const.
6791 (Archive::setup): Remove task parameter and calls to unlock.
6792 (Archive::unlock_nested_archives): New function.
6793 (Archive::read_header): Add nested_off parameter. Change
6795 (Archive::interpret_header): Likewise.
6796 (Archive::include_all_members): Change to handle thin
6798 (Archive::include_member): Likewise.
6799 * archive.h (Archive::Archive): Add new parameters and
6801 (Archive::armagt): New const.
6802 (Archive::setup): Remove task parameter.
6803 (Archive::unlock_nested_archives): New function.
6804 (Archive::read_header): Add nested_off parameter.
6805 (Archive::interpret_header): Likewise.
6806 (Archive::Nested_archive_table): New typedef.
6807 (Archive::is_thin_archive_): New field.
6808 (Archive::nested_archives_): New field.
6809 (Archive::options_): New field.
6810 (Archive::dirpath_): New field.
6811 (Archive::task_): New field.
6812 * readsyms.cc (Read_symbols::do_read_symbols): Add check
6813 for thin archives. Pass additional parameters to
6814 Archive::Archive. Unlock the archive file after calling
6817 2008-03-29 Ian Lance Taylor <iant@google.com>
6819 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6820 version symbol to be local.
6821 * testsuite/ver_test_4.sh: New file.
6822 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6823 (check_DATA): Add ver_test_4.syms.
6824 (ver_test_4.syms): New target.
6825 * testsuite/Makefile.in: Rebuild.
6828 (Output_section::Input_section_sort_entry::has_priority): New
6830 (Output_section::Input_section_sort_entry::match_file_name): New
6832 (Output_section::Input_section_sort_entry::match_section_name):
6834 (Output_section::Input_section_sort_entry::match_section_name_prefix):
6836 (Output_section::Input_section_sort_entry::match_section_file):
6838 (Output_section::Input_section_sort_compare::operator()): Rewrite
6839 using new Input_section_sort_entry functions. Sort crtbegin and
6840 crtend first. Sort sections with no priority before sections with
6842 * testsuite/initpri1.c (d3): Check j != 4.
6843 (cd5): New constructor/destructor function.
6844 (main): Check j != 2.
6846 * symtab.cc (Symbol_table::add_from_object): If we don't use the
6847 new symbol when resolving, don't call set_is_default.
6848 * testsuite/ver_test_7.cc: New file.
6849 * testsuite/ver_test_7.sh: New file.
6850 * testsuite/Makefile.am (ver_test_7.so): New target.
6851 (ver_test_7.o): New target.
6852 (check_SCRIPTS): Add ver_test_7.sh.
6853 (check_DATA): Add ver_test_7.syms.
6854 (ver_test_7.syms): New target.
6856 2008-03-28 Ian Lance Taylor <iant@google.com>
6858 * layout.cc (Layout::layout): If we see an input section with a
6859 name that needs sorting, set the must_sort flag for the output
6861 (Layout::make_output_section): If the name of the output section
6862 indicates that it might require sorting, set the may_sort flag.
6863 * output.h (Output_section::may_sort_attached_input_sections): New
6865 (Output_section::set_may_sort_attached_input_sections): New
6867 (Output_section::must_sort_attached_input_sections): New
6869 (Output_section::set_must_sort_attached_input_sections): New
6871 (class Output_section): Declare Input_section_sort_entry. Define
6872 Input_section_sort_compare. Declare
6873 sort_attached_input_sections. Add new fields:
6874 may_sort_attached_input_sections_,
6875 must_sort_attached_input_sections_,
6876 attached_input_sections_are_sorted_.
6877 * output.cc (Output_section::Output_section): Initialize new
6879 (Output_section::add_input_section): Add an entry to
6880 input_sections_ if may_sort or must_sort are true.
6881 (Output_section::set_final_data_size): Call
6882 sort_attached_input_sections if necessary.
6883 (Output_section::Input_section_sort_entry): Define new class.
6884 (Output_section::Input_section_sort_compare::operator()): New
6886 (Output_section::sort_attached_input_sections): New function.
6887 * configure.ac: Check whether the compiler supports constructor
6888 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
6889 * testsuite/initpri1.c: New file.
6890 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6891 CONSTRUCTOR_PRIORITY.
6892 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6893 (initpri1_LDFLAGS): New variable.
6894 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6896 2008-03-27 Ian Lance Taylor <iant@google.com>
6898 * common.cc (Sort_commons::operator): Correct sorting algorithm.
6899 * testsuite/common_test_1.c: New file.
6900 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6901 (common_test_1_SOURCES): New variable.
6902 (common_test_1_DEPENDENCIES): New variable.
6903 (common_test_1_LDFLAGS): New variable.
6905 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6906 and commons_ correctly when NAME/VERSION does not override
6908 * testsuite/ver_test_6.c: New file.
6909 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6910 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6911 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6913 2008-03-26 Ian Lance Taylor <iant@google.com>
6915 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6916 of an undefined symbol from a version script.
6917 * testsuite/Makefile.am (ver_test_5.so): New target.
6918 (ver_test_5.o): New target.
6919 (check_SCRIPTS): Add ver_test_5.sh.
6920 (check_DATA): Add ver_test_5.syms.
6921 (ver_test_5.syms): New target.
6922 * testsuite/ver_test_5.cc: New file.
6923 * testsuite/ver_test_5.script: New file.
6924 * testsuite/ver_test_5.sh: New file.
6925 * Makefile.in, testsuite/Makefile.in: Rebuild.
6928 Fix problems building gold with gcc 4.3.0.
6929 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6930 (gold_error_at_location, gold_warning_at_location): Use it.
6931 * configure.ac: Check whether we can compile and use a template
6932 function with a printf attribute.
6933 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6934 when jumping over bytes.
6935 * object.cc: Instantiate Object::read_section_data.
6936 * debug.h: Include <cstring>
6937 * dwarf_reader.cc: Include <algorithm>
6938 * main.cc: Include <cstring>.
6939 * options.cc: Include <cstring>.
6940 * output.cc: Include <cstring>.
6941 * script.cc: Include <cstring>.
6942 * script.h: Include <string>.
6943 * symtab.cc: Include <cstring> and <algorithm>.
6944 * target-select.cc: Include <cstring>.
6945 * version.cc: Include <string>.
6946 * testsuite/testmain.cc: Include <cstdlib>.
6947 * configure, config.in: Rebuild.
6949 2008-03-25 Ian Lance Taylor <iant@google.com>
6951 * options.cc: Include "../bfd/bfdver.h".
6952 (options::help): Print bug reporting address.
6954 * version.cc (print_version): Adjust output for current value of
6959 * options.cc (options::help): Print list of supported targets.
6960 * target-select.h: Include <vector>.
6961 (class Target_selector): Make machine_, size_, and is_big_endian_
6962 fields const. Add bfd_name_ and instantiated_target_ fields.
6963 (Target_selector::Target_selector): Add bfd_name parameter.
6964 (Target_selector::recognize): Make non-virtual, call
6966 (Target_selector::recognize_by_name): Make non-virtual, call
6967 do_recognize_by_name.
6968 (Target_selector::supported_names): New function.
6969 (Target_selector::bfd_name): New function.
6970 (Target_selector::do_instantiate_target): New pure virtual
6972 (Target_selector::do_recognize): New virtual function.
6973 (Target_selector::do_recognize_by_name): New virtual function.
6974 (Target_selector::instantiate_target): New private function.
6975 (supported_target_names): Declare.
6976 * target-select.cc (Target_selector::Target_selector): Update for
6977 new parameter and fields.
6978 (select_target_by_name): Check that the name matches before
6979 calling recognize_by_name.
6980 (supported_target_names): New function.
6981 * i386.cc (class Target_selector_i386): Update Target_selector
6982 constructor call. Remove recognize and recognize_by_name. Add
6983 do_instantiate_target.
6984 * x86_64.cc (class Target_selector_x86_64): Likewise.
6985 * testsuite/testfile.cc (class Target_selector_test): Update for
6986 changes to Target_selector.
6988 * README: Rewrite, with some notes on unsupported features.
6990 2008-03-24 Cary Coutant <ccoutant@google.com>
6992 * i386.cc (Target_i386::Got_type): New enum declaration.
6993 (Target_i386::Scan::local): Updated callers of Output_data_got
6995 (Target_i386::Scan::global): Likewise.
6996 (Target_i386::Relocate::relocate): Likewise.
6997 (Target_i386::Relocate::relocate_tls): Likewise.
6998 * object.h (Got_offset_list): New class.
6999 (Sized_relobj::local_has_got_offset): Added got_type parameter.
7000 (Sized_relobj::local_got_offset): Likewise.
7001 (Sized_relobj::set_local_got_offset): Likewise.
7002 (Sized_relobj::local_has_tls_got_offset): Removed.
7003 (Sized_relobj::local_tls_got_offset): Removed.
7004 (Sized_relobj::set_local_tls_got_offset): Removed.
7005 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
7006 * output.cc (Output_data_got::add_global): Added got_type parameter.
7007 (Output_data_got::add_global_with_rel): Likewise.
7008 (Output_data_got::add_global_with_rela): Likewise.
7009 (Output_data_got::add_global_pair_with_rel): New function.
7010 (Output_data_got::add_global_pair_with_rela): New function.
7011 (Output_data_got::add_local): Added got_type parameter.
7012 (Output_data_got::add_local_with_rel): Likewise.
7013 (Output_data_got::add_local_with_rela): Likewise.
7014 (Output_data_got::add_local_pair_with_rel): New function.
7015 (Output_data_got::add_local_pair_with_rela): New function.
7016 (Output_data_got::add_global_tls): Removed.
7017 (Output_data_got::add_global_tls_with_rel): Removed.
7018 (Output_data_got::add_global_tls_with_rela): Removed.
7019 (Output_data_got::add_local_tls): Removed.
7020 (Output_data_got::add_local_tls_with_rel): Removed.
7021 (Output_data_got::add_local_tls_with_rela): Removed.
7022 * output.h (Output_data_got::add_global): Added got_type parameter.
7023 (Output_data_got::add_global_with_rel): Likewise.
7024 (Output_data_got::add_global_with_rela): Likewise.
7025 (Output_data_got::add_global_pair_with_rel): New function.
7026 (Output_data_got::add_global_pair_with_rela): New function.
7027 (Output_data_got::add_local): Added got_type parameter.
7028 (Output_data_got::add_local_with_rel): Likewise.
7029 (Output_data_got::add_local_with_rela): Likewise.
7030 (Output_data_got::add_local_pair_with_rel): New function.
7031 (Output_data_got::add_local_pair_with_rela): New function.
7032 (Output_data_got::add_global_tls): Removed.
7033 (Output_data_got::add_global_tls_with_rel): Removed.
7034 (Output_data_got::add_global_tls_with_rela): Removed.
7035 (Output_data_got::add_local_tls): Removed.
7036 (Output_data_got::add_local_tls_with_rel): Removed.
7037 (Output_data_got::add_local_tls_with_rela): Removed.
7038 * resolve.cc (Symbol::override_base_with_special): Removed
7039 reference to has_got_offset_ field.
7040 * symtab.cc (Symbol::init_fields): Replaced initialization
7041 of got_offset_ with got_offsets_. Removed initialization
7043 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7044 (Symbol::got_offset): Likewise.
7045 (Symbol::set_got_offset): Likewise.
7046 (Symbol::has_tls_got_offset): Removed.
7047 (Symbol::tls_got_offset): Removed.
7048 (Symbol::set_tls_got_offset): Removed.
7049 (Symbol::got_offset_): Removed.
7050 (Symbol::tls_mod_got_offset_): Removed.
7051 (Symbol::tls_pair_got_offset_): Removed.
7052 (Symbol::got_offsets_): New field.
7053 (Symbol::has_got_offset): Removed.
7054 (Symbol::has_tls_mod_got_offset): Removed.
7055 (Symbol::has_tls_pair_got_offset): Removed.
7056 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7057 (Target_x86_64::Scan::local): Updated callers of Output_data_got
7059 (Target_x86_64::Scan::global): Likewise.
7060 (Target_x86_64::Relocate::relocate): Likewise.
7061 (Target_x86_64::Relocate::relocate_tls): Likewise.
7063 2008-03-25 Ben Elliston <bje@au.ibm.com>
7065 * yyscript.y: Fix spelling error in comment.
7067 2008-03-24 Ian Lance Taylor <iant@google.com>
7069 * options.h (class General_options): Define build_id option.
7070 * layout.h (class Layout): Declare write_build_id, create_note,
7071 create_build_id. Add build_id_note_ member.
7072 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7073 "libiberty.h", "md5.h", "sha1.h".
7074 (Layout::Layout): Initialize eh_frame_data_,
7075 eh_frame_hdr_section_, and build_id_note_.
7076 (Layout::finalize): Call create_build_id.
7077 (Layout::create_note): New function, broken out of
7078 Layout::create_gold_note.
7079 (Layout::create_gold_note): Call create_note.
7080 (Layout::create_build_id): New function.
7081 (Layout::write_build_id): New function.
7082 (Close_task_runner::run): Call write_build_id.
7084 * x86_64.cc: Correct license to GPLv3.
7086 2008-03-23 Ian Lance Taylor <iant@google.com>
7088 * options.cc: Include "demangle.h".
7089 (parse_optional_string): New function.
7090 (parse_long_option): Handle takes_optional_argument.
7091 (parse_short_option): Update dash_z initializer. Handle
7092 takes_optional_argument.
7093 (General_options::General_options): Initialize do_demangle_.
7094 (General_options::finalize): Set do_demangle_. Handle demangling
7096 * options.h (parse_optional_string): Declare.
7097 (struct One_option): Add optional_arg field. Update constructor.
7098 Update call constructor calls. Add takes_optional_argument
7100 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
7101 (DEFINE_optional_string): Define.
7102 (General_options::demangle): Change from DEFINE_bool to
7103 DEFINE_optional_string.
7104 (General_options::no_demangle): New function.
7105 (General_options::do_demangle): New function.
7106 (General_options::set_do_demangle): New function.
7107 (General_options::execstack_status_): Move definition to end of
7109 (General_options::static_): Likewise.
7110 (General_options::do_demangle_): New field.
7111 * object.cc (big_endian>::get_symbol_location_info): Call
7112 Options::do_demangle, not Options::demangle.
7113 * symtab.cc (demangle): Likewise.
7115 2008-03-22 Ian Lance Taylor <iant@google.com>
7117 * gold.h: Include <cstddef> and <sys/types.h>
7118 * options.h: Include <cstring>.
7120 2008-03-21 Ian Lance Taylor <iant@google.com>
7122 * Added source code to GNU binutils.