1 2010-02-24 Doug Kwan <dougkwan@google.com>
3 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
4 flags and attributes merging if an input file is a binary file.
5 * fileread.cc (Input_file::open): Record format of original file.
6 * fileread.h (Input_file::Format): New enum type.
7 (Input_file::Input_file): Initialize data member format_.
8 (Input_file::format): New method definition.
9 (Input_file::format_):: New data member.
11 2010-02-24 Doug Kwan <dougkwan@google.com>
13 * arm.cc (Arm_output_data_got): New class.
14 (ARM_TCB_SIZE): New constant
15 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
16 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
17 If user uses a script with a SECTIONS clause, issue only a warning
18 for a misplaced EXIDX input section. Otherwise, issue an error.
19 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
21 (Target_arm::got_mode_index_entry): Handle static linking.
22 (Target_arm::Scan::local): Ditto.
23 (Target_arm::Scan::global): Ditto.
24 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
25 all incorrectly implemented relocations.
26 (Target_arm::fix_exidx_coverage): Pass layout to
27 Arm_output_section::fix_exidx_coverage.
28 * layout.cc (Layout::section_name_mapping): Remove trailing dots
29 from ".ARM.exidx." and ".ARM.extab.".
31 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
33 * arm.cc (Target_arm::do_finalize_sections): Create attribute
34 section if it does not already exist.
35 * attributes.cc (Attributes_section_data::Attributes_section_data):
36 Don't crash if size is zero.
38 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
39 Ian Lance Taylor <iant@google.com>
41 * gold.cc (queue_middle_tasks): If no input files were opened,
43 * workqueue.h (Task_function::Task_function): Assert that there is
46 2010-02-22 Doug Kwan <dougkwan@google.com>
48 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
49 * icf.cc (get_section_contents): Cast snprintf arguments to long long
50 types to avoid warnings due to different uint64_t implementations
53 2010-02-21 Doug Kwan <dougkwan@google.com>
55 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
56 handling of the maximum backward branch offset.
57 (Arm_relocate_functions::thumb_branch_common): Ditto.
58 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
59 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
60 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
61 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
62 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
63 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
64 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
65 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
66 thumb_bl_out_of_range thumb_bl_out_of_range.o,
67 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
68 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
69 thumb2_bl_out_of_range.o): New rules.
70 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
71 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
72 thumb2_bl_out_of_range
73 * testsuite/Makefile.in: Regenerate.
74 * testsuite/arm_bl_in_range.s: New file.
75 * testsuite/arm_bl_out_of_range.s: Ditto.
76 * testsuite/arm_branch_in_range.sh: Ditto.
77 * testsuite/arm_branch_range.t: Ditto.
78 * testsuite/thumb2_branch_range.t: Ditto.
79 * testsuite/thumb_bl_in_range.s: Ditto.
80 * testsuite/thumb_bl_out_of_range.s: Ditto.
81 * testsuite/thumb_branch_range.t: Ditto.
83 2010-02-20 Sriraman Tallam <tmsriram@google.com>
85 * gc.h (gc_process_relocs): Change vectors to point to the new list.
86 Add reloc offset information.
87 * icf.cc (get_section_contents): Change iterators to point to the new
88 vectors. Add reloc offset information to the contents.
89 * icf.h (Icf::Sections_reachable_info): New typedef.
90 (Icf::Sections_reachable_list): New typedef.
91 (Icf::Offset_info): New typedef.
92 (Icf::Reloc_info): New struct typedef.
93 (Icf::Reloc_info_list): New typedef.
94 (Icf::symbol_reloc_list): Delete method.
95 (Icf::addend_reloc_list): Delete method.
96 (Icf::section_reloc_list): Delete method.
97 (Icf::reloc_info_list): New method.
98 (Icf::reloc_info_list_): New member.
100 2010-02-19 Doug Kwan <dougkwan@google.com>
102 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
103 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
104 * arm.cc (Arm_relocation_functions): New forward declaration.
105 (Target_arm::Target_arm): Initialize new data members
106 got_mod_index_offset_ and tls_base_symbol_defined_.
107 (Target_arm::Relocate::relocate_tls): New method.
108 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
109 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
111 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
112 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
113 (Target_arm::got_mod_index_offset_,
114 Target_arm::tls_base_symbol_defined_): New data members.
115 (Target_arm::Scan::local, Target::Scan::global,
116 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
119 2010-02-18 Doug Kwan <dougkwan@google.com>
121 * arm.cc (Arm_relobj::find_linked_text_section): New method.
122 (Arm_relobj::make_exidx_input_section): Pass section index of linked
123 text section as a parameter becuase some broken tools may not set
124 the link in section header.
125 (Target_arm::has_got_section): New method.
126 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
127 without any mapping symbol as data only. Remove warning.
128 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
129 link in its section header, try to discover the link by inspecting the
130 REL31 relocation at the beginning of the section.
131 (Target_arm::Scan::check_non_pic): Report name of offending relocation
133 (Target_arm::Scan::global): Treat any reference to the symbol
134 _GLOBAL_OFFSET_TABLE_ as a GOT access.
136 2010-02-12 Sriraman Tallam <tmsriram@google.com>
138 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
139 (Scan::global_reloc_may_be_function_pointer): New function.
140 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
141 (Scan::global_reloc_may_be_function_pointer): New function.
142 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
143 (Scan::global_reloc_may_be_function_pointer): New function.
144 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
145 (Scan::global_reloc_may_be_function_pointer): New function.
146 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
147 (Scan::global_reloc_may_be_function_pointer): New function.
148 (Scan::possible_function_pointer_reloc): New function.
149 (Target_x86_64::can_check_for_function_pointers): New function.
150 * gc.h (gc_process_relocs): Scan relocation types to determine if
151 function pointers were taken for targets that support it.
152 * icf.cc (Icf::find_identical_sections): Include functions for
153 folding in safe ICF whose pointer is not taken.
154 * icf.h (Secn_fptr_taken_set): New typedef.
155 (fptr_section_id_): New member.
156 (section_has_function_pointers): New function.
157 (set_section_has_function_pointers): New function.
158 (check_section_for_function_pointers): New function.
159 * options.h: Fix comment for safe ICF option.
160 * target.h (can_check_for_function_pointers): New function.
161 * testsuite/Makefile.am: Add icf_safe_so_test test case.
162 Modify icf_safe_test for X86-64.
163 * testsuite/Makefile.in: Regenerate.
164 * testsuite/icf_safe_so_test.cc: New file.
165 * testsuite/icf_safe_so_test.sh: New file.
166 * testsuite/icf_safe_test.cc (kept_func_3): New function.
167 (main): Change to take pointer to function kept_func_3.
168 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
169 folding is done correctly for X86-64.
171 2010-02-12 David S. Miller <davem@davemloft.net>
173 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
174 is_symbolless parameter.
175 (Output_reloc<SHT_REL>::is_symbolless): New.
176 (Output_reloc<SHT_REL>::is_symbolless_): New.
177 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
178 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
179 (Output_reloc<SHT_RELA>::is_symbolless): New.
180 (Output_data_reloc::add_global): Handle is_symbolless.
181 (Output_data_reloc::add_global_relative): Likewise.
182 (Output_data_reloc::add_local): Likewise.
183 (Output_data_reloc::add_local_relative): Likewise.
184 (Output_data_reloc::add_symbolless_global_addend): New.
185 (Output_data_reloc::add_symbolless_local_addend): New.
186 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
188 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
189 instead of ->is_relative_
190 (Output_reloc::write): Likewise.
191 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
192 (Output_reloc::write_rel): Simplify.
194 * sparc.cc (Target_sparc::Scan::local): Use
195 ->add_symbolless_local_addend as needed.
196 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
197 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
198 based upon relocation offset.
200 2010-02-11 Doug Kwan <dougkwan@google.com>
202 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
203 (Target_arm::Scan::global): Ditto. Also remove a comment before the
204 beginning of function.
205 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
206 and MOVT_ABS relocations. Those are non issued in scanning. Fix
207 parameter is_32bit in calls to should_apply_static_reloc.
208 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
209 (check_DATA): Add arm_abs_global.stdout.
210 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
211 arm_abs_global.stdout): New rules.
212 (MOSTLLYCLEANFILES): Add arm_abs_global
213 * Makefile.in: Regenerate.
214 * testsuite/arm_abs_global.s: New file.
215 * testsuite/arm_abs_global.sh: Ditto.
216 * testsuite/arm_abs_lib.s: Ditto.
218 2010-02-11 Ian Lance Taylor <iant@google.com>
220 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
222 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
223 Allocate_commons_task first.
224 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
225 task, rather than symtab_lock_.
226 (Gc_process_relocs::~Gc_process_relocs): New function.
227 (Gc_process_relocs::is_runnable): Check this_blocker_.
228 (Gc_process_relocs::locks): Use next_blocker_ rather than
230 (Scan_relocs::~Scan_relocs): New function.
231 (Scan_relocs::is_runnable): Check this_blocker_ rather than
233 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
235 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
236 fields. Add this_blocker_ and next_blocker_ fields. Adjust
237 constructor accordingly.
238 (class Gc_process_relocs): Likewise.
239 (class Scan_relocs): Likewise.
240 * common.h (class Allocate_commons_task): Remove symtab_lock_
241 field, and corresponding constructor parameter.
242 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
244 (Allocate_commons_task::locks): Likewise.
246 2010-02-11 Ian Lance Taylor <iant@google.com>
248 * gold-threads.h (class Once): Define.
249 (class Initialize_lock): Rewrite as child of Once.
250 * gold-threads.cc (class Once_initialize): Define.
251 (once_pointer_control): New static variable.
252 (once_pointer, once_arg): New static variables.
253 (c_run_once): New static function.
254 (Once::Once, Once::run_once, Once::internal_run): New functions.
255 (class Initialize_lock_once): Remove.
256 (initialize_lock_control): Remove.
257 (initialize_lock_pointer): Remove.
258 (initialize_lock_once): Remove.
259 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
260 (Initialize_lock::initialize): Rewrite.
261 (Initialize_lock::do_run_once): New function.
262 * archive.cc (Archive::interpret_header): Only clear name if it is
264 * fileread.cc: Include "gold-threads.h"
265 (file_counts_lock): New static variable.
266 (file_counts_initialize_lock): Likewise.
267 (File_read::release): Only increment counts when using --stats.
268 Use a lock around the increment.
269 * parameters.cc (class Set_parameters_target_once): Define.
270 (set_parameters_target_once): New static variable.
271 (Parameters::Parameters): Move here from parameters.h.
272 (Parameters::set_target): Rewrite.
273 (Parameters::set_target_once): New function.
274 (Parameters::clear_target): Move here and rewrite.
275 * parameters.h (class Parameters): Update declarations. Add
276 set_parameters_target_once_ field.
277 (Parameters::Parameters): Move to parameters.cc.
278 (Parameters::clear_target): Likewise.
279 * readsyms.cc (Read_symbols::do_group): Create a Start_group
281 (Start_group::~Start_group): New function.
282 (Start_group::is_runnable): New function.
283 (Start_group::locks, Start_group::run): New functions.
284 (Finish_group::run): Change saw_undefined to size_t.
285 * readsyms.h (class Start_group): Define.
286 (class Finish_group): Change saw_undefined_ field to size_t.
287 (Finish_group::Finish_group): Remove saw_undefined and
288 this_blocker parameters. Change all callers.
289 (Finish_group::set_saw_undefined): New function.
290 (Finish_group::set_blocker): New function.
291 * symtab.h (class Symbol_table): Change saw_undefined to return
292 size_t. Change saw_undefined_ field to size_t.
293 * target-select.cc (Set_target_once::do_run_once): New function.
294 (Target_selector::Target_selector): Initialize set_target_once_
295 field. Don't initialize lock_ and initialize_lock_ fields.
296 (Target_selector::instantiate_target): Rewrite.
297 (Target_selector::set_target): New function.
298 * target-select.h (class Set_target_once): Define.
299 (class Target_selector): Update declarations. Make
300 Set_target_once a friend. Remove lock_ and initialize_lock_
301 fields. Add set_target_once_ field.
303 2010-02-10 Ian Lance Taylor <iant@google.com>
305 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
307 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
308 (queue_middle_tasks): Add all blockers before queueing any tasks.
309 (queue_final_tasks): Likewise.
310 * token.h (Task_token::add_blockers): New function.
311 * object.h (Input_objects::number_of_relobjs): New function.
313 2010-02-10 Ian Lance Taylor <iant@google.com>
315 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
316 shared, not if not position independent.
317 * x86_64.cc (Relocate::relocate_tls): Likewise.
318 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
319 (tls_pie_pic_test): New target.
320 * testsuite/Makefile.in: Rebuild.
322 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
323 (tls_test_main_pie.o, tls_test_pie.o): New targets.
324 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
325 * testsuite/Makefile.in: Rebuild.
327 2010-02-09 David S. Miller <davem@davemloft.net>
329 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
330 R_SPARC_RELATIVE using ->add_local_relative().
331 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
333 * output.h (Output_data_dynamic::add_section_size): New method
334 that takes two Output_data objects.
335 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
336 entry param. Handle it in initializers.
337 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
338 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
339 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
341 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
342 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
343 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
344 for dynrel_includes_plt.
345 * i386.cc (Target_i386::do_finalize_sections): Likewise.
346 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
347 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
349 (Target_sparc::do_finalize_sections): Update to pass true for
351 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
352 output before .rela.plt
353 (Target_powerpc::do_finalize_sections): Update to pass true for
354 dynrel_includes_plt when 32-bit.
356 2010-02-08 Doug Kwan <dougkwan@google.com>
358 * arm.cc (Arm_relobj::simple_input_section_output_address): New
360 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
361 Arm_relobj::scan_section_for_cortex_a8_stubs,
362 Arm_relobj::do_relocation_section): Instead of calling
363 Output_section::output_address, use faster
364 Arm_relobj::simple_input_section_output_address.
366 2010-02-08 David S. Miller <davem@davemloft.net>
368 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
369 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
370 relocation helper function.
372 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
373 just like R_SPARC_GOT{10,13,22}.
374 (Target_sparc::Scan::local): Likewise.
375 (Target_sparc::Relocate:relocate): Likewise.
377 2010-02-06 Ian Lance Taylor <iant@google.com>
379 * configure.ac: Rewrite targetobjs duplicate removal code to use
380 only shell constructs.
381 * configure: Rebuild.
383 2010-02-05 Doug Kwan <dougkwan@google.com>
386 * arm.cc (Arm_relobj::section_is_scannable): New method.
387 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
388 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
390 2010-02-04 Doug Kwan <dougkwan@google.com>
393 * arm-reloc-property.cc (cstdio): Include.
394 * configure.ac (targetobjs): Remove duplicates.
395 * configure: Regenerate.
396 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
397 big and little endian version for a given address size.
399 2010-02-03 Doug Kwan <dougkwan@google.com>
401 * arm-reloc-property.cc
402 (Arm_reloc_property_table::reloc_name_in_error_message): New method
404 * arm-reloc-property.h
405 (Arm_reloc_property_table::get_implemented_static_reloc_property):
406 New method definition.
407 (Arm_reloc_property_table::reloc_name_in_error_message): New method
409 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
411 (GOT_PREL): Change implemented to Y.
412 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
413 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
414 (Arm_relocate_functions::movw_abs_nc): Remove method.
415 (Arm_relocate_functions::movt_abs): Ditto.
416 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
417 (Arm_relocate_functions::thm_movt_abs): Ditto.
418 (Arm_relocate_functions::movw_rel_nc): Ditto.
419 (Arm_relocate_functions::movw_rel): Ditto.
420 (Arm_relocate_functions::movt_rel): Ditto.
421 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
422 (Arm_relocate_functions:thm_movw_rel): Ditto.
423 (Arm_relocate_functions:thm_movt_rel): Ditto.
424 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
425 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
426 New method definitions.
427 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
428 (Arm_relocation_functions::arm_grp_ldr): Ditto.
429 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
430 (Arm_relocation_functions::arm_grp_ldc): Ditto.
431 (Target_arm::Relocate::relocate): Check for non-static or
432 unimplemented relocation code and exit early. Change calls to
433 Target_arm::reloc_uses_thumb_bit and
434 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
435 instead. Refactor code to handle similar relocations to increase
436 code sharing. Remove check for unsupported relocation code in switch
438 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
439 relocation property table to find out size. Change error message to
440 print out the name of a relocation code instead of the numeric value.
441 (Target_arm::scan_reloc_for_stub): Use relocation property table
442 instead of calling Target_arm::reloc_uses_thumb_bit().
444 2010-02-02 Doug Kwan <dougkwan@google.com>
446 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
447 types of relaxed input section.
449 2010-02-02 Doug Kwan <dougkwan@google.com>
451 * Makefile.am (HFILES): Add arm-reloc-property.h.
453 (TARGETSOURCES): Add arm-reloc-property.cc
454 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
455 (libgold_a_SOURCES): $(DEFFILES)
456 * Makefile.in: Regenerate.
457 * arm-reloc-property.cc: New file.
458 * arm-reloc-property.h: New file.
459 * arm-reloc.def: New file.
460 * arm.cc: Update comments.
461 (arm-reloc-property.h): New included header.
462 (arm_reloc_property_table): New global variable.
463 (Target_arm::do_select_as_default_target): New method definition.
464 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
465 arm-reloc-property to targ_extra_obj.
466 * parameters.cc (set_parameters_target): Call
467 Target::select_as_default_target().
468 * target.h (Target::select_as_default_target): New method definition.
469 (Target::do_select_as_default_target): Same.
471 2010-02-01 Doug Kwan <dougkwan@google.com>
473 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
474 first_output_text_section_.
475 (Arm_exidx_fixup::first_output_text_section): New method definition.
476 (Arm_exidx_fixup::first_output_text_section_): New data member.
477 (Arm_exidx_fixup::process_exidx_section): Record the first text
479 (Arm_output_section::fix_exidx_coverage): Set correct linked section
480 and entsize in output section header.
482 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
484 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
485 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
486 (Arm_relocate_functions::thm_alu11): New Method.
487 (Arm_relocate_functions::thm_pc8): New Method.
488 (Arm_relocate_functions::thm_pc12): New Method.
489 (Target_arm::Scan::local): Handle the relocations.
490 (Target_arm::Scan::global): Likewise.
491 (Target_arm::Relocate::relocate): Likewise.
492 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
494 2010-01-29 Doug Kwan <dougkwan@google.com>
496 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
497 of relocation types as ld.
499 2010-01-29 Doug Kwan <dougkwan@google.com>
501 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
503 (Arm_relocate_functions::thumb_branch_common): Ditto.
504 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
505 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
506 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
507 Arm_relocate_functions::jump24): Remove.
508 (Target_arm::Relocate::relocate): Adjust code to call
509 Arm_relocation_functions::arm_branch_common and
510 Arm_relocation_functions::thumb_branch_common instead of their removed
511 wrappers. Merge switch-cases together to reduce source code size.
513 2010-01-29 Doug Kwan <dougkwan@google.com>
515 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
516 output_local_symbol_count_needs_update_.
517 (Arm_relobj::output_local_symbol_count_needs_update,
518 Arm_relobj::set_output_local_symbol_count_needs_update,
519 Arm_relobj::update_output_local_symbol_count): New methods.
520 (Arm_relobj::output_local_symbol_count_needs_update_): New data
522 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
523 of pointed function as in a R_ARM_PREL31 relocation.
524 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
525 for output local symbol count updating.
526 (Target_arm::do_relax): Update output local symbol counts in objects
528 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
530 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
532 * arm.cc: Added support for the ARM relocations:
533 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
534 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
535 (Arm_relocate_functions::movw_rel_nc): Renamed (was
537 (Arm_relocate_functions::movw_rel): New method.
538 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
539 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
541 (Arm_relocate_functions::thm_movw_rel): New method.
542 (Arm_relocate_functions::thm_movt_rel): Renamed (was
544 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
546 (Target_arm::Scan::global): Likewise.
547 (Target_arm::Relocate::relocate): Likewise.
548 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
551 2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
553 * arm.cc: Added support for ARM group relocations.
554 (Target_arm::reloc_needs_sym_origin): New method.
555 (Arm_relocate_functions::calc_grp_kn): New method.
556 (Arm_relocate_functions::calc_grp_residual): New method.
557 (Arm_relocate_functions::calc_grp_gn): New method.
558 (Arm_relocate_functions::arm_grp_alu): New Method.
559 (Arm_relocate_functions::arm_grp_ldr): New Method.
560 (Arm_relocate_functions::arm_grp_ldrs): New Method.
561 (Arm_relocate_functions::arm_grp_ldc): New Method.
562 (Target_arm::Scan::local): Handle the ARM group relocations.
563 (Target_arm::Scan::global): Likewise.
564 (Target_arm::Relocate::relocate): Likewise.
565 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
568 2010-01-26 Doug Kwan <dougkwan@google.com>
570 * arm.cc (set): Include.
571 (class Arm_exidx_fixup): Change type of last_input_section_ to const
573 (Arm_output_section::Text_section_list): New type.
574 (Arm_output_section::append_text_sections_to_list): New method.
575 (Arm_output_section::fix_exidx_coverage): Ditto.
576 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
577 (Arm_relobj::convert_input_section_to_relaxed_section): Use
578 Relobj::set_section_offset() instead of
579 Sized_relobj::invalidate_section_offset().
580 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
581 parameter for section headers. Ignore relocation sections for
582 unallocated sections and EXIDX sections.
583 (Target_arm::fix_exidx_coverage): New method.
584 (Target_arm::output_section_address_less_than): New type.
585 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
586 linked text section instead of the EXIDX section.
587 (Arm_output_section::create_stub_group): Add an assertion to check
588 that this is not an EXIDX output section.
589 (Arm_output_section::append_text_sections_to_list): New method.
590 (Arm_output_section::fix_exidx_coverage): Ditto.
591 (Arm_relobj::scan_sections_for_stubs): Adjust call to
592 Arm_relobj::section_needs_reloc_stub_scanning.
593 (Target_arm::do_relax): Fix EXIDX output section coverage in the
595 (Target_arm::fix_exidx_coverage): New method.
596 * object.h (Relobj::set_output_section): New method.
597 (Sized_relobj::invalidate_section_offset): Remove method.
598 (Sized_relobj::do_invalidate_section_offset): Remove method.
599 (Sized_relobj::do_set_section_offset): Handle offset value -1.
601 2010-01-25 Doug Kwan <dougkwan@google.com>
603 * arm.cc (Arm_exidx_merged_section::do_output_offset):
604 Fix warning due to signed and unsigned comparison on a 32-bit host.
606 2010-01-22 Doug Kwan <dougkwan@google.com>
608 * arm.cc (Target_arm::do_relax): Record an output section for section
609 offset adjustment it contains any stub table that has changed.
610 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
611 offsets in an output section if necessary.
612 * output.cc (Output_section::Output_section): Initialize
613 section_offsets_need_adjustments_.
614 (Output_section::add_input_section_for_script): Renamed to
615 Output_section::add_simple_input_section.
616 (Output_section::save_states): Add a comment.
617 (Output_section::discard_states): New method defintion.
618 (Output_section::adjust_section_offsets): Same.
619 * output.h (Output_section::add_input_section_for_script): Renamed to
620 Output_section::add_simple_input_section.
621 (Output_section::discard_states): New method declaration.
622 (Output_section::adjust_section_offsets): Same.
623 (Output_section::section_offsets_need_adjustment,
624 Output_section::set_section_offsets_need_adjustment): New method
626 (Output_section::section_offsets_need_adjustment_): New data member.
628 (Output_section_element_input::set_section_address): Adjust code for
629 renaming of Output_section::add_input_section_for_script.
630 (Orphan_output_section::set_section_address): Same.
632 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
634 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
635 Fix_v4bx enum values .
636 * gold/options.h (General_options): New option definitions.
637 (General_options::fix_v4bx): New method.
638 (General_options::Fix_v4bx): New enum.
639 * gold/options.cc (General_options::parse_fix_v4bx): New method.
640 (General_options::parse_fix_v4bx_interworking): New method.
642 2010-01-22 Doug Kwan <dougkwan@google.com>
644 * arm.cc (Arm_exidx_fixup): New class.
646 2010-01-21 Doug Kwan <dougkwan@google.com>
648 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
650 (Arm_exidx_section_offset_map): New type.
652 2010-01-21 Doug Kwan <dougkwan@google.com>
654 * arm.cc (Arm_exidx_input_section): New class.
655 (Arm_relobj::exidx_input_section_by_link,
656 Arm_relobj::exidx_input_section_by_shndx,
657 Arm_relobj::make_exidx_input_section): New methods.
658 (read_arm_attributes_section): Remove.
659 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
660 information about them.
661 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
664 2010-01-20 Doug Kwan <dougkwan@google.com>
666 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
667 Input_section_specifier to Section_id.
668 (Target_arm::new_arm_input_section: Adjust code for change of key
670 (Target_arm::find_arm_input_section): Ditto.
671 * gc.h (object.h): Include for Section_id nand Section_id_hash.
672 (Section_id): Remove.
673 (Garbage_collection::Section_id_hash): Remove.
674 * icf.h (object.h): Include for Section_id nand Section_id_hash.
675 (Section_id): Remove.
676 (Icf::Section_id_hash): Remove.
677 * object.h (Section_id, Const_section_id, Section_id_hash,
678 Const_section_id_hash): New type definitions.
679 * output.cc (Output_section::add_relaxed_input_section): Change to
680 use Const_section_id instead of Input_section_specifier as key type.
681 (Output_section::add_merge_input_section): Ditto.
682 (Output_section::build_relaxation_map): Change to use Section_id
683 instead of Input_section_specifier as key type.
684 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
686 (Output_section::convert_input_sections_to_relaxed_sections): Change
687 to use Const_section_id instead of Input_section_specifier as key type.
688 (Output_section::find_merge_section): Ditto.
689 (Output_section::find_relaxed_input_section): Ditto.
690 * output.h (Input_section_specifier): Remove class.
691 (Output_section::Output_section_data_by_input_section_map): Change
692 key type to Const_section_id.
693 (Output_section::Output_relaxed_input_section_by_input_section_map):
695 (Output_section::Relaxation_map): Change key type to Section_id.
697 2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
699 * gold/arm.cc: Added support for R_ARM_V4BX relocation
700 (class Arm_v4bx_stub): New class.
701 (DEF_STUBS): Updated definition to support v4_veneer_bx.
702 (Stub_factory::make_arm_v4bx_stub): New method.
703 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
704 (Stub_table::empty): Handle v4bx stubs.
705 (Stub_table::add_arm_v4bx_stub): New method.
706 (Stub_table::find_arm_v4bx_stub): New method.
707 (Arm_relocate_functions::v4bx): New method.
708 (Target_arm::fix_v4bx): New method.
709 (Target_arm::Target_arm): Handle R_ARM_V4BX.
710 (Stub_table::relocate_stubs): Likewise.
711 (Stub_table::do_write): Likewise.
712 (Stub_table::update_data_size_and_addralign): Likewise.
713 (Stub_table::finalize_stubs): Likewise.
714 (Target_arm::Scan::local): Likewise.
715 (Target_arm::Scan::global): Likewise.
716 (Target_arm::do_finalize_sections): Likewise.
717 (Target_arm::Relocate::relocate): Likewise.
718 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
720 (Target_arm::scan_reloc_for_stub): Likewise.
721 (Target_arm::scan_reloc_section_for_stubs): Likewise.
723 2010-01-19 Ian Lance Taylor <iant@google.com>
725 * output.cc (Output_section_headers::do_sized_write): Write large
726 segment count to sh_info field.
727 (Output_file_header::do_sized_write): For large segment count,
728 write PN_XNUM to e_phnum field.
730 2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
732 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
733 (Arm_relocate_functions::thm_jump8): New function.
734 (Arm_relocate_functions::thm_jump11): New function.
735 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
737 (Target_arm::Scan::global): Likewise.
738 (Target_arm::Relocate::relocate): Likewise.
739 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
742 2010-01-14 Doug Kwan <dougkwan@google.com>
744 * arm.cc (map, utility): Include headers.
745 (Target_arm::apply_cortex_a8_workaround): New method.
746 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
747 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
748 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
749 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
750 the --[no-]fix-cortex-a8 command line options.
751 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
752 (Target_arm::relocate_stub): Use addend in instruction template.
753 * options.h (DEFINE_bool): Set the user-set flag.
754 (General_options): Add --[no-]-fix-cortex options.
755 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
756 : Update fast look-up map after conversion.
758 2010-01-14 Sriraman Tallam <tmsriram@google.com>
760 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
761 in the first pass of do_layout.
763 2010-01-13 Doug Kwan <dougkwan@google.com>
765 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
766 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
767 apparent compiler problem of not folding static constant integral
768 data members of elfcpp::Elf_sizes<32>.
770 2010-01-13 Doug Kwan <dougkwan@google.com>
772 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
773 Arm_relobj::section_needs_cortex_a8_stub_scanning,
774 Arm_relobj::scan_section_for_cortex_a8_erratum,
775 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
776 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
777 sections to scan for relocation stubs into a new method
778 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
779 relocation and Cortex-A8 stub scanning.
780 (Target_arm::do_relax): Force stubs to be after stubbed sections
781 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
782 the beginning of a new relaxation pass. Update a comment.
783 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
785 2010-01-12 Ian Lance Taylor <iant@google.com>
787 * target-reloc.h (visibility_error): New inline function.
788 (relocate_section): Call visibility_error.
789 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
790 (MOSTLYCLEANFILES): Likewise.
791 (protected_4_pic.o, protected_3.err): New targets.
792 * testsuite/protected_4.cc: New file.
794 2010-01-12 Doug Kwan <dougkwan@google.com>
796 * arm.cc (Cortex_a8_reloc): New class.
797 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
798 and cortex_a8_relocs_info_.
799 (Target_arm::fix_cortex_a8): New method definition.
800 (Target_arm::Cortex_a8_relocs_info): New type.
801 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
802 New data member declarations.
803 (Target_arm::scan_reloc_for_stub): Record information about
804 relocations for THUMB branches that might be exempted from the
805 Cortex-A8 workaround.
806 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
807 at the beginning of a relaxation pass.
809 2010-01-12 Doug Kwan <dougkwan@google.com>
811 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
812 (Arm_relobj::Mapping_symbol_position,
813 Arm_reloj::Mapping_symbol_position_less,
814 Arm_relobj::Mapping_symbols_info): New types.
815 (Target_arm::is_mapping_symbol_name): New method definition.
816 (Arm_relobj::do_count_local_symbols): Save information about mapping
819 2010-01-11 Doug Kwan <dougkwan@google.com>
821 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
822 Arm_relocate_functions::thumb32_branch_upper,
823 Arm_relocate_functions::thumb32_branch_lower,
824 Arm_relocate_functions::thumb32_cond_branch_offset,
825 Arm_relocate_functions::thumb32_cond_branch_upper,
826 Arm_relocate_functions::thumb32_cond_branch_lower,
827 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
828 branch offset encoding.
829 (Arm_relocate_functions::thumb_branch_common): Use new branch
830 offset encoding methods to avoid code duplication.
831 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
832 (Stub_addend_reader::operator()): Use new branch encoding method
833 to avoid code duplication.
835 2010-01-11 Doug Kwan <dougkwan@google.com>
837 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
838 (Target_arm::do_finalize_sections): Define special EXIDX section
839 symbols only if referenced.
840 * gc.h (Garbage_collection::add_reference): New method.
841 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
844 2010-01-11 Ian Lance Taylor <iant@google.com>
846 * script.cc (Version_script_info::build_expression_list_lookup):
847 Change complaing about duplicate wildcard match from error to
850 * script.cc (class Lazy_demangler): Recreate--revert part of patch
852 (Version_script_info::Version_script_info): Initialize globs_,
853 default_version_, default_is_global_, and exact_. Don't
854 initialize globals_ or locals_.
855 (Version_script_info::build_lookup_tables): Build local symbols
857 (Version_script_info::unquote): New function.
858 (Version_script_info::add_exact_match): New function.
859 (Version_script_info::build_expression_list_lookup): Remove lookup
860 parameter. Add is_global parameter. Change all callers. Handle
861 wildcard pattern specially. Unquote pattern. Call
863 (Version_script_info::get_name_to_match): New function.
864 (Version_script_info::get_symbol_version): New function.
865 (Version_script_info::get_symbol_version_helper): Remove.
866 (Version_script_info::check_unmatched_names): Call unquote.
867 * script.h (class Version_script_info): Change get_symbol_version
868 to be non-inline and add is_global parameter; change all callers.
869 Rewrite symbol_is_local. Update declarations. Define struct
870 Version_tree_match, Exact, Globs. Don't define struct Lookup.
871 Remove globals_ and locals_ members. Add exact_, globs_,
872 default_version_, is_global_.
873 (Version_script_info::Glob): Remove pattern, add expression and
874 is_global. Update constructor. Change all callers.
875 * dynobj.cc (Versions::finalize): Mark the version symbol as the
877 (Versions::symbol_section_contents): If a symbol is undefined, or
878 defined in a dynamic object, set the version index to
880 * symtab.cc (Symbol_table::add_from_relobj): Don't call
882 (Symbol_table::add_from_pluginobj): Likewise.
883 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
885 2010-01-11 Doug Kwan <dougkwan@google.com>
887 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
888 (incremental_dump_LDADD): Add linking option for libintl.
889 * Makefile.in: Regenerate.
891 2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
894 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
896 * testsuite/Makefile.in: Regenerated.
898 2010-01-10 Doug Kwan <dougkwan@google.com>
900 * options.h (DEFINE_var): Use parentheses around argument varname__
901 in macro body to avoid any unintended subsequent substitutions.
903 2010-01-10 Ian Lance Taylor <iant@google.com>
905 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
906 candidates before doing symbol resolution.
908 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
909 ODR candidates if only one is weak.
911 2010-01-08 Ian Lance Taylor <iant@google.com>
913 * script.cc (Version_script_info::build_expression_list_lookup):
914 Don't warn about ambiguous version, just record the ambiguity.
915 (Version_script_info::get_symbol_version_helper): Give error if
916 version is ambiguous.
918 2010-01-08 Doug Kwan <dougkwan@google.com>
920 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
921 prev_data_size_ and prev_addralign_. Remove initializer for
922 deleted data member has_been_changed_.
923 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
924 to determine if the table is empty.
925 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
927 (Stub_table::add_reloc_stub): Define method in class definition
928 instead of just declaring it there.
929 (Stub_table::add_cortex_a8_stub): New method definition.
930 (Stub_table::update_data_size_and_addralign): Ditto.
931 (Stub_table::finalize_stubs): Ditto.
932 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
933 (Stub_table::do_addralign_): Return address alignment in the
934 (Stub_table::do_reset_address_and_file_offset): Define method in
935 class definition instead of declaring it there. Set current data
936 size to be the data size of the previous pass.
937 (Stub_table::set_final_data_size): Use current data size as the
939 (Stub_table::relocate_stub): Change parameter type of stub from
940 Reloc_stub pointer to Stub pointer.
941 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
942 (Stub_table::Cortex_a8_stub_list): New typedef.
943 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
944 Stub_table::prev_addralign_): New data member.
945 (Arm_relobj::Arm_relobj): Initialize data member
946 section_has_cortex_a8_workaround_.
947 (Arm_relobj::section_has_cortex_a8_workaround,
948 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
950 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
952 (Target_arm::relocate_stub): Change parameter type of stub from
953 Reloc_stub pointer to Stub pointer.
954 (Insn_template::size, Insn_template::alignment): Handle
955 THUMB16_SPECIAL_TYPE.
956 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
957 Stub_table::update_data_size_and_addralign,
958 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
960 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
961 (Stub_table::do_write): Ditto.
962 (Target_arm::do_relax): Adjust code for changes in Stub_table.
964 2010-01-08 Ian Lance Taylor <iant@google.com>
967 * symtab.h (class Symbol): Remove fields is_target_special_ and
968 has_plt_offset_. Add field is_defined_in_discarded_section_.
969 (Symbol::is_defined_in_discarded_section): New function.
970 (Symbol::set_is_defined_in_discarded_section): New function.
971 (Symbol::has_plt_offset): Rewrite.
972 (Symbol::set_plt_offset): Verify that new offset is not -1U.
973 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
974 Don't initialize is_target_special_ or has_plt_offset_.
975 Initialize is_defined_in_discarded_section_.
976 (Symbol_table::add_from_relobj): If appropriate, set
977 is_defined_in_discarded_section.
978 * resolve.cc (Symbol::override_base_with_special): Don't test
979 is_target_special_. Change has_plt_offset_ to has_plt_offset().
980 * target-reloc.h (relocate_section): Do special handling for
981 symbols defined in discarded sections for global symbols as well
984 2010-01-08 Ian Lance Taylor <iant@google.com>
986 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
989 2010-01-08 Ian Lance Taylor <iant@google.com>
991 * object.cc (Sized_relobj::do_layout): Don't get confused if
992 layout_eh_frame returns NULL.
994 2010-01-08 Ian Lance Taylor <iant@google.com>
997 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
998 dynamic symbol table, use the normal symbol table.
999 (Sized_dynobj::do_read_symbols): Remove assertion about type of
1002 2010-01-08 Ian Lance Taylor <iant@google.com>
1005 * layout.cc (Layout::include_section): Remove .gnu_debuglink
1008 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
1010 * version.cc (print_version): Change to "Copyright 2010".
1012 2010-01-08 Ian Lance Taylor <iant@google.com>
1016 * i386.cc (class Target_i386): Change return type of plt_section
1018 (class Output_data_plt_i386): Add tls_desc_rel_ field.
1019 (Output_data_plt_i386::Output_data_plt_i386): Initialize
1020 tls_desc_rel_ field.
1021 (Output_data_plt_i386::rel_tls_desc): New function.
1022 (Target_i386::rel_tls_desc_section): New function.
1023 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
1024 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
1025 R_386_TLS_DESC reloc in rel_tls_desc_section.
1026 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
1027 Define struct Tlsdesc_info.
1028 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
1029 (Target_x86_64::do_reloc_symbol_index): New function.
1030 (Target_x86_64::add_tlsdesc_info): New function.
1031 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
1032 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
1034 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
1036 (Output_data_plt_x86_64::rela_tlsdesc): New function.
1037 (Target_x86_64::rela_tlsdesc_section): New function.
1038 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
1040 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
1041 (Target_x86_64::do_reloc_addend): New function.
1042 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
1043 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
1044 declarations. Define TARGET_CODE. Add arg field to u1_ union.
1045 (Output_reloc::type): New function.
1046 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
1047 (Output_reloc::is_target_specific): New function.
1048 (Output_reloc::target_arg): New function.
1049 (class Output_reloc) [SHT_RELA]: Add four new constructors for
1050 absolute relocs and target specific relocs.
1051 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
1052 add_target_specific.
1053 (class Output_data_reloc) [SHT_RELA]: Likewise.
1054 * output.cc (Output_reloc::Output_reloc): Add four new versions
1055 for absolute relocs and target specific relocs.
1056 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
1057 (Output_reloc::get_symbol_index): Likewise.
1058 (Output_reloc::local_section_offset): Check that local_sym_index_
1059 is not TARGET_CODE or 0.
1060 (Output_reloc::symbol_value): Likewise.
1061 (Output_reloc::write) [SHT_RELA]: Call target for target specific
1063 * target.h (class Target): Add reloc_symbol_index and reloc_addend
1064 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
1066 * layout.cc (add_target_dynamic_tags): Use output section for
1067 DT_PLTRELSZ and DT_JMPREL.
1069 2010-01-07 Ian Lance Taylor <iant@google.com>
1072 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
1074 (class Output_data_reloc_generic): Define.
1075 (class Output_data_reloc_base): Change base class to
1076 Output_data_reloc_generic. Change add() method to call
1077 bump_relative_reloc_count for a relative reloc. Remove
1079 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
1081 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
1082 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
1084 * layout.h (class Layout): Update declaration.
1086 2010-01-07 Ian Lance Taylor <iant@google.com>
1088 * output.h (class Output_data): Add const version of
1089 output_section and do_output_section.
1090 (class Output_section_data): Add const version of
1092 (class Output_section): Likewise.
1093 * layout.cc (Layout::add_target_dynamic_tags): New function.
1094 * layout.h (class Layout): Update declarations.
1095 * arm.cc (Target_arm::do_finalize_sections): Use
1096 add_target_dynamic_tags.
1097 * i386.cc (Target_i386::do_finalize_sections): Likewise.
1098 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
1099 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
1100 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
1102 2010-01-07 Ian Lance Taylor <iant@google.com>
1105 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
1108 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
1109 Ian Lance Taylor <iant@google.com>
1112 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
1113 Xindex::read_symtab_xindex.
1115 2010-01-07 Doug Kwan <dougkwan@google.com>
1117 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
1118 (Insn_template::thumb16_bcond_insn): New method declaration.
1119 (Insn_template): Fix spelling.
1120 (Stub::thumb16_special): New method declaration.
1121 (Stub::do_write): Define virtual method which was previously pure
1123 (Stub::do_thumb16_special): New method declaration.
1124 (Stub::do_fixed_endian_write): New template member.
1125 (Reloc_stub::do_write): Remove.
1126 (Reloc_stub::do_fixed_endian_write): Remove.
1127 (Cortex_a8_stub): New class definition.
1128 (Stub_factory::make_cortex_a8_stub): New method definition.
1129 (Stub_factory::Stub_factory): Add missing static storage class
1130 qualifier for elf32_arm_stub_a8_veneer_blx.
1132 2010-01-07 Ian Lance Taylor <iant@google.com>
1135 * options.h (class General_options): Add --warn-unresolved-symbols
1136 and --error-unresolved-symbols.
1137 * errors.cc (Errors::undefined_symbol): Implement
1138 --warn-unresolved-symbols.
1140 * options.h (class General_options): Add -z text and -z textoff.
1141 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
1143 2010-01-06 Sriraman Tallam <tmsriram@google.com>
1145 * gc.h (Garbage_collection::Cident_section_map): New typedef.
1146 (Garbage_collection::cident_sections): New function.
1147 (Garbage_collection::add_cident_section): New function.
1148 (Garbage_collection::cident_sections_): New member.
1149 (gc_process_relocs): Add references to sections whose names are C
1151 * gold.h (cident_section_start_prefix): New constant.
1152 (cident_section_stop_prefix): New constant.
1153 (is_cident): New function.
1154 * layout.cc (Layout::define_section_symbols): Replace string constants
1155 with the newly defined constants.
1156 * object.cc (Sized_relobj::do_layout): Track sections whose names are
1158 * testsuite/Makefile.am: Add gc_orphan_section_test.
1159 * testsuite/Makefile.in: Regenerate.
1160 * testsuite/gc_orphan_section_test.cc: New file.
1161 * testsuite/gc_orphan_section_test.sh: New file.
1163 2010-01-06 Ian Lance Taylor <iant@google.com>
1166 * options.h (class General_options): Add --warn-shared-textrel.
1167 * layout.cc (Layout::finish_dynamic_section): Implement
1168 --warn-shared-textrel.
1171 * options.h (class General_options): Add --warn-multiple-gp.
1173 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1175 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
1176 $(THREADSLIB) and $(LIBDL).
1177 * Makefile.in: Rebuild.
1179 2010-01-06 Ian Lance Taylor <iant@google.com>
1182 * options.cc (General_options::parse_section_start): New function.
1183 (General_options::section_start): New function.
1184 (General_options::General_options): Initialize all members.
1185 * options.h: Include <map>
1186 (class General_options): Add --section-start. Add section_starts_
1188 * layout.cc (Layout::attach_allocated_section_to_segment): If
1189 --section-start was used, set the address of the segment. Remove
1190 local sort_sections.
1191 (Layout::relaxation_loop_body): If the address of the load segment
1192 has been set by --section-start, don't use it.
1193 * output.h (Output_segment::update_flags_for_output_section): New
1195 * output.cc (Output_segment::add_output_section): Call
1196 update_flags_for_output_section.
1198 2010-01-05 Ian Lance Taylor <iant@google.com>
1201 * options.h (class General_options): Add --undefined-version.
1202 * script.cc (struct Version_expression): Add was_matched_by_symbol
1204 (Version_script_info::matched_symbol): New function.
1205 (Version_script_info::get_symbol_version_helper): Call
1207 (Version_script_info::check_unmatched_names): New function.
1208 * script.h (class Version_script_info): Update declarations.
1209 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
1211 * options.h (class General_options): Use DEFINE_bool_alias for
1212 allow_multiple_definition.
1213 * resolve.cc (Symbol_table::should_override): Don't test
1214 allow_multiple_definition.
1217 * options.h (class General_options): Add --cref.
1218 * main.cc (main): Print cref table if --cref. Don't close mapfile
1219 until after printing cref table.
1220 * cref.cc: Include "symtab.h".
1221 (class Cref_inputs): Define Cref_table_compare and Cref_table.
1222 (Cref_table_compare::operator()): New function.
1223 (Cref_inputs::gather_cref): New function.
1224 (filecol): New static const.
1225 (Cref_inputs::print_cref): New function.
1226 (Cref::print_cref): New function.
1227 * cref.h: Include <cstdio>.
1228 (class Cref): Update declarations.
1229 * mapfile.h (Mapfile::file): New function.
1230 * object.h (class Object): Define Symbols. Declare virtual
1231 do_get_global_symbols.
1232 (Object::get_global_symbols): New function.
1233 * object.cc (Input_objects::add_object): Pass object to cref_ if
1235 (Input_objects::archive_start): Likewise.
1236 (Input_objects::archive_stop): Likewise.
1237 (Input_objects::print_cref): New function.
1238 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
1239 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
1241 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
1243 * plugin.h (class Sized_pluginobj): Update declarations.
1245 2010-01-05 Ian Lance Taylor <iant@google.com>
1247 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
1248 to is_default_version. Rename insdef to insdefault.
1249 (Symbol_table::add_from_relobj): Rename def to is_default_version
1250 and local to is_forced_local.
1251 (Symbol_table::add_from_pluginobj): Likewise.
1252 (Symbol_table::add_from_dynobj): Likewise.
1253 (Symbol_table::define_special_symbol): Rename insdef to
1256 2010-01-04 Ian Lance Taylor <iant@google.com>
1259 * options.h (class General_options): Add
1260 --allow-multiple-definition and -z muldefs.
1261 * resolve.cc (Symbol_table::should_override): Don't warn about a
1262 multiple symbol definition if --allow-multiple-definition or -z
1266 * options.h (class General_options): Add --add-needed and
1267 --copy-dt-needed-entries. Tweak --as-needed help entry.
1268 * object.cc (Input_objects::check_dynamic_dependencies): Give an
1269 error if --copy-dt-needed-entries aka --add-needed is used and
1270 would cause a change in behaviour.
1273 * options.h (class General_options): Add -G as a short version of
1274 --shared. Add no-op options -assert, -g, and -i.
1276 2010-01-04 Sriraman Tallam <tmsriram@google.com>
1278 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
1279 check for .text or .gnu.linkonce.t sections.
1280 * icf.cc (Icf::find_identical_sections): Ditto.
1281 Change the detection for mangled function name within the section
1283 * icf.h (is_section_foldable_candidate): New function.
1285 2009-12-30 Ian Lance Taylor <iant@google.com>
1288 * options.h (class General_options): Permit two dashes with
1289 --retain-symbols-file.
1291 2009-12-30 Ian Lance Taylor <iant@google.com>
1294 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
1295 don't put the file header and segment headers in the text
1299 * common.cc (Sort_commons::operator()): Stabilize sort when both
1301 (Symbol_table::do_allocate_commons_list): When allocating common
1302 symbols, skip a symbol which is no longer common.
1303 * symtab.h (Symbol::is_common): Test whether the symbol comes from
1304 an object before checking its type.
1305 * testsuite/common_test_2.c: New file.
1306 * testsuite/common_test_3.c: New file.
1307 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
1308 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
1309 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
1310 (common_test_2_pic.o, common_test_2.so): New targets.
1311 (common_test_3_pic.o, common_test_3.so): New targets.
1312 * testsuite/Makefile.in: Rebuild.
1315 * script.cc (read_input_script): If we see a new SECTIONS clause,
1316 and we have added an input section, give an error.
1317 * layout.h (class Layout): Add have_added_input_section function.
1318 Add have_added_input_section_ field.
1319 * layout.cc (Layout::Layout): Initialize
1320 have_added_input_section_.
1321 (Layout::layout): Set have_added_input_section_.
1322 (Layout::layout_eh_frame): Likewise.
1324 2009-12-30 Ian Lance Taylor <iant@google.com>
1327 * options.h (class General_options): Add --sort-common option.
1328 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
1329 * common.cc (Sort_common): Add sort_order parameter to
1330 constructor. Add sort_order_ field.
1331 (Sort_commons::operator): Check sort_order_.
1332 (Symbol_table::allocate_commons): Determine the sort order.
1333 (Symbol_table::do_allocate_commons): Add sort_order parameter.
1335 (Symbol_table::do_allocate_commons_list): Likewise.
1337 2009-12-30 Ian Lance Taylor <iant@google.com>
1340 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
1341 symbols from this object, don't change the visibility of an
1343 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
1345 2009-12-30 Ian Lance Taylor <iant@google.com>
1348 * script.h (class Version_script_info): Define Language enum.
1349 Update declarations. Define Glob, Exact, and Lookup types. Add
1350 new fields globals_, locals_, and is_finalized_.
1351 * script.cc: Various formatting fixes.
1352 (class Parser_closure): Change language_stack_ from a vector of
1353 std::string to one of Version_script_info::Language. Adjust all
1355 (class Lazy_demangler): Remove.
1356 (struct Version_expression): Change language from std::string to
1357 Version_script_info::Language.
1358 (Version_script_info::Version_script_info): New function.
1359 (Version_script_info::~Version_script_info): Don't call clear.
1360 (Version_script_info::finalize): New function.
1361 (Version_script_info::build_lookup_tables): New function.
1362 (Version_script_info::build_expression_list_lookup): New
1364 (Version_script_info::get_symbol_version_helper): Rewrite to use
1366 (Version_script_info::print_expression_list): Adjust to use
1367 Version_script_info::Language.
1368 (script_push_lex_into_version_mode): Check that the version script
1369 has not been finalized.
1370 (version_script_push_lang): Change language string to
1371 Version_script_info::Language.
1372 * options.cc (Command_line::version_script): New function.
1373 * options.h (class General_options): Add finalize_dynamic_list
1374 function. Change version_script from declaration to definition.
1375 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
1376 * testsuite/version_script.map: Remove duplicate def of foo.
1377 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
1379 * testsuite/Makefile.in: Rebuild.
1381 2009-12-30 Ian Lance Taylor <iant@google.com>
1384 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
1385 if the input symbol index is 0, make the output symbol index 0.
1387 2009-12-30 Ian Lance Taylor <iant@google.com>
1390 * options.h (class General_options): Add -x/--discard-all.
1391 * object.cc (Sized_relobj::do_count_local_symbols): Handle
1392 --discard-all. If the local symbol needs a dynamic entry, check
1393 that before handling --discard-locals.
1395 2009-12-30 Ian Lance Taylor <iant@google.com>
1398 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
1400 (Output_segment::add_output_section): Don't change the flags if
1404 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
1405 GNU hash table if they need a dynamic value. Otherwise, don't add
1406 them if they are defined in a dynamic object or are forced local.
1408 2009-12-29 Ian Lance Taylor <iant@google.com>
1411 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
1412 .gnu.hash table for a 32-bit target.
1415 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
1416 regular and a dynamic object only needs a dynamic symbol table
1417 entry if it is externally visible.
1420 * i386.cc (class Target_i386): Initialize global_offset_table_ in
1421 constructor. Add global_offset_table_ field.
1422 (Target_i386::got_section): Set global_offset_table_.
1423 (Target_i386::do_finalize_sections): Set global_offset_table_
1425 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
1426 in constructor. Add global_offset_table_ field.
1427 (Target_x86_64::got_section): Set global_offset_table_.
1428 (Target_x86_64::do_finalize_sections): Set global_offset_table_
1431 * layout.cc (Layout::Layout): Initialize increase_relro_.
1432 (Layout::get_output_section): Add is_relro, is_last_relro, and
1433 is_first_non_relro parameters. Change all callers.
1434 (Layout::choose_output_section): Likewise.
1435 (Layout::add_output_section_data): Likewise.
1436 (Layout::make_output_section): Likewise.
1437 (Layout::set_segment_offsets): Clear increase_relro when using a
1439 * layout.h (class Layout): Add increase_relro method. Add
1440 increase_relro_ field. Update declarations.
1441 * output.cc (Output_section::Output_section): Initialize
1442 is_last_relro_ and is_first_non_relro_.
1443 (Output_segment::add_output_section): Group relro sections is
1444 do_sort is true. Handle is_last_relro and is_first_non_relro.
1445 (Output_segment::maximum_alignment): Remove relro handling.
1446 (Output_segment::set_section_addresses): Add increase_relro
1447 parameter. Change all callers. Add initial alignment to align
1448 relro sections on separate page. Remove old relro handling.
1449 (Output_segment::set_section_list_addresses): Remove in_relro
1450 parameter. Change all callers.
1451 (Output_segment::set_offset): Add increase parameter. Change all
1452 callers. Remove old relro handling.
1453 * output.h (class Output_section): Add new methods: is_last_relro,
1454 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
1455 Add is_last_relro_ and is_first_non_relro_ fields.
1456 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
1457 Create separate .got.plt section. Call increase_relro.
1458 * x86_64.cc (Target_x86_64::got_section): Likewise.
1459 * testsuite/relro_script_test.t: Add .got.plt.
1462 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
1463 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
1464 (Layout::finalize): Call set_dynamic_symbol_size.
1465 (Layout::set_dynamic_symbol_size): New function.
1466 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
1467 set_dynamic_symbol_size.
1470 * output.h (class Output_section): Add is_entsize_zero_ field.
1471 * output.cc (Output_section::Output_section): Initialize
1473 (Output_section::set_entsize): If two different entsizes are
1474 requested, force it to zero.
1475 (Output_section::add_input_section): Set flags for .debug_str
1476 before updating section flags. Set entsize.
1477 (Output_section::update_flags_for_input_section): Set SHF_MERGE
1478 and SHF_STRING if all input sections have those flags.
1480 2009-12-29 Rafael Espindola <espindola@google.com>
1482 * main.cc (main): Fix the sys time reporting.
1483 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
1486 2009-12-29 Sriraman Tallam <tmsriram@google.com>
1488 * options.cc (General_options::parse_version): Allow -v to exit
1489 without an error if there is nothing to link.
1491 2009-12-29 Ian Lance Taylor <iant@google.com>
1493 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
1494 using a version of gcc before 4.1.
1495 * configure: Rebuild.
1497 2009-12-28 Chris Demetriou <cgd@google.com>
1499 * attributes.cc (Output_attributes_section_data::do_write): Use
1500 std::vector::front rather than std::vector::data.
1502 2009-12-28 Ian Lance Taylor <iant@google.com>
1504 * symtab.h (class Symbol_table): Add enum Defined.
1505 * resolve.cc (Symbol_table::should_override): Add defined
1506 parameter. Change all callers. Test whether object is NULL
1507 before calling a method on it.
1508 (Symbol_table::report_resolve_problem): Add defined parameter.
1510 (Symbol_table::should_override_with_special): Likewise.
1511 * symtab.cc (Symbol_table::define_in_output_data): Add defined
1512 parameter. Change all callers.
1513 (Symbol_table::do_define_in_output_data): Likewise.
1514 (Symbol_table::define_in_output_segment): Likewise.
1515 (Symbol_table::do_define_in_output_segment): Likewise.
1516 (Symbol_table::define_as_constant): Likewise.
1517 (Symbol_table::do_define_as_constant): Likewise.
1518 * script.h (class Symbol_assignment): Add is_defsym parameter to
1519 constructor; change all callers.
1520 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
1521 parameter. Change all callers. Add is_defsym_ field.
1522 (class Parser_closure): Add parsing_defsym parameter to
1523 constructor; change all callers. Add parsing_defsym accessor
1524 function. Add parsing_defsym_ field.
1526 2009-12-28 Ian Lance Taylor <iant@google.com>
1528 * gold.cc (queue_middle_tasks): Fix formatting.
1529 * object.cc (Relobj::is_section_name_included): Likewise.
1531 2009-12-23 Ian Lance Taylor <iant@google.com>
1533 * i386.cc (Target_i386::do_calls_non_split): Recognize
1534 -fsplit-stack prologue for a function with a static chain.
1535 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
1536 -fsplit-stack prologue when using %r11.
1538 2009-12-21 Sriraman Tallam <tmsriram@google.com>
1540 * options.cc (General_options::parse_version): Make -v continue and do
1541 the link like GNU ld does.
1543 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
1545 * Makefile.am (CCFILES): Add timer.cc.
1546 (HFILES): Add timer.h.
1547 * configure.ac: Check for sysconf and times.
1548 * main.cc: include timer.h.
1549 (main): Use Timer instead of get_run_time.
1552 * workqueue.cc: include timer.h.
1553 (Workqueue::find_and_run_task):
1554 Report user, sys and wall time.
1555 * Makefile.in: Regenerate.
1556 * config.in: Regenerate.
1557 * configure: Regenerate.
1559 2009-12-16 Doug Kwan <dougkwan@google.com>
1561 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
1563 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
1564 relaxed input sections.
1565 * output.cc (Output_section::find_relaxed_input_section): Change
1566 return type to Output_relaxed_input_section pointer. Adjust code
1567 for new type of relaxed_input_section_map_.
1568 * output.h (Output_section::find_relaxed_input_section): Change
1569 return type to Output_relaxed_input_section pointer.
1570 (Output_section::Output_relaxed_input_section_by_input_section_map):
1572 (Output_section::relaxed_input_section_map_): Change type to
1573 Output_section::Output_relaxed_input_section_by_input_section_map.
1574 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
1577 2009-12-15 Ian Lance Taylor <iant@google.com>
1579 * layout.cc (Layout::create_shstrtab): Only write out after input
1580 sections if we are compressing debug sections.
1582 2009-12-15 Ian Lance Taylor <iant@google.com>
1584 * archive.cc (Archive::add_symbols): Only look up a symbol without
1585 a version if there is, in fact, a version.
1587 2009-12-14 Ian Lance Taylor <iant@google.com>
1589 Revert -Wshadow changes, all changes from:
1590 2009-12-11 Doug Kwan <dougkwan@google.com>
1591 2009-12-11 Nick Clifton <nickc@redhat.com>
1592 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
1594 2009-12-11 Doug Kwan <dougkwan@google.com>
1596 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
1598 * attributes.cc (Object_attribute::size): Ditto.
1599 (Attributes_section_data::size): Ditto.
1600 (Attributes_section_data::Attributes_section_data): Ditto.
1601 (Output_attributes_section_data::do_write): Ditto.
1602 * attributes.h (Object_attribute::set_type): Ditto.
1603 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
1605 2009-12-11 Nick Clifton <nickc@redhat.com>
1607 * archive.cc: Fix shadowed variable warnings.
1609 * compressed_output.cc: Likewise.
1610 * compressed_output.h: Likewise.
1611 * configure: Likewise.
1612 * dwarf_reader.cc: Likewise.
1613 * dynobj.cc: Likewise.
1614 * dynobj.h: Likewise.
1615 * ehframe.cc: Likewise.
1616 * ehframe.h: Likewise.
1617 * errors.cc: Likewise.
1618 * expression.cc: Likewise.
1619 * fileread.cc: Likewise.
1620 * fileread.h: Likewise.
1621 * freebsd.h: Likewise.
1622 * i386.cc: Likewise.
1624 * incremental.h: Likewise.
1625 * layout.cc: Likewise.
1626 * layout.h: Likewise.
1627 * mapfile.cc: Likewise.
1628 * merge.cc: Likewise.
1629 * merge.h: Likewise.
1630 * object.cc: Likewise.
1631 * object.h: Likewise.
1632 * options.h: Likewise.
1633 * output.cc: Likewise.
1634 * output.h: Likewise.
1635 * parameters.cc: Likewise.
1636 * plugin.cc: Likewise.
1637 * powerpc.cc: Likewise.
1638 * reduced_debug_output.cc: Likewise.
1639 * reduced_debug_output.h: Likewise.
1640 * reloc.cc: Likewise.
1641 * reloc.h: Likewise.
1642 * resolve.cc: Likewise.
1643 * script-sections.cc: Likewise.
1644 * script.cc: Likewise.
1645 * script.h: Likewise.
1646 * sparc.cc: Likewise.
1647 * symtab.cc: Likewise.
1648 * symtab.h: Likewise.
1649 * target-select.cc: Likewise.
1650 * target-select.h: Likewise.
1651 * token.h: Likewise.
1652 * workqueue.cc: Likewise.
1653 * workqueue.h: Likewise.
1654 * x86_64.cc: Likewise.
1656 2009-12-10 Doug Kwan <dougkwan@google.com>
1658 * arm.cc (attributes.h): New include.
1659 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
1660 (Arm_relobj::~Arm_relobj): Delete object pointed by
1661 attributes_section_data_.
1662 (Arm_relobj::attributes_section_data): New method definition.
1663 (Arm_relobj::attributes_section_data_): New data member declaration.
1664 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
1665 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
1666 attributes_section_data_.
1667 (Arm_dynobj::attributes_section_data): New method definition.
1668 (Arm_dynobj::attributes_section_data_): New data member declaration.
1669 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
1670 initialization value of may_use_blx_ to false.
1671 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
1672 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
1673 object attributes to compute results instead of hard-coding.
1674 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
1675 Target_arm::get_secondary_compatible_arch,
1676 Target_arm::set_secondary_compatible_arch
1677 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1678 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
1679 New method declarations.
1680 (Target_arm::get_aeabi_object_attribute): New method definition.
1681 (Target_arm::attributes_section_data_): New data member declaration.
1682 (read_arm_attributes_section): New template definition.
1683 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
1684 (Arm_dynobj::do_read_symbols): Ditto.
1685 (Target_arm::do_finalize_sections): Merge attributes sections from
1686 input. Check for BLX use after attributes section merging.
1687 Fix __exidx_start and __exidx_end visibility. Create an
1688 .ARM.attributes section if necessary.
1689 (Target_arm::get_secondary_compatible_arch,
1690 Target_arm::set_secondary_compatible_arch,
1691 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
1692 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
1693 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
1694 New method definitions.
1696 2009-12-09 Ian Lance Taylor <iant@google.com>
1698 * plugin.cc (Plugin::load): Don't cast from void* to a function
1701 2009-12-09 Ian Lance Taylor <iant@google.com>
1703 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
1706 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
1708 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
1709 Replace two_file_shared_1.so with two_file_shared_2.so.
1710 * testsuite/Makefile.in: Regenerated.
1712 2009-12-08 Doug Kwan <dougkwan@google.com>
1714 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
1715 (HFILES): Add attributes.h and int_encoding.h.
1716 * Makefile.in: Regenerate.
1717 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
1718 function definitions to int_encoding.cc
1719 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
1720 prototypes to int_encoding.h
1721 * reduced_debug_output.cc (int_encoding.h): New include.
1722 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
1723 function definitions to int_encoding.cc
1724 (insert_into_vector, read_from_pointer): Move template definitions to
1726 * attributes.cc: New file.
1727 * attributes.h: New file.
1728 * int_encoding.cc: New file.
1729 * int_encoding.h: New file.
1731 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
1734 * incremental-dump.cc (dump_incremental_inputs): New.
1735 (main): Use dump_incremental_inputs.
1737 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
1740 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
1741 checking elfcpp::STT_FUNC.
1742 (Target_i386::Relocate::relocate): Likewise.
1743 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
1745 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
1746 symbols from shared libraries into normal FUNC symbols.
1748 * symtab.h (Symbol): Add is_func and use it.
1750 2009-12-05 Doug Kwan <dougkwan@google.com>
1752 * arm.cc (Target_arm::arm_info): Initialize new fields
1753 attributes_section and attributes_vendor.
1754 * i386.cc (Target_i386::i386_info): Same.
1755 * object.cc (Sized_relobj::do_layout): Skip attribute section.
1756 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
1757 fields attributes_section and attributes_vendor.
1758 * sparc.cc (Target_sparc::sparc_info): Same.
1759 * target.h (Target::attributes_section, Target::attributes_vendor,
1760 Target::is_attributes_section, Target::attribute_arg_type,
1761 Target::attributes_order): New method definitions.
1762 (Target::Target_info::attributes_section,
1763 Target::Target_info::attributes_vendor): New fields.
1764 (Target::do_attribute_arg_type, Target::do_attributes_order): New
1765 virtual method definitions.
1766 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
1767 attributes_section and attributes_vendor.
1768 * testsuite/testfile.cc (Target_test::test_target_info): Same.
1770 2009-12-05 Doug Kwan <dougkwan@google.com>
1772 * arm.cc: Update comments about interworking and stub generation.
1773 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
1774 considered as non-PIC.
1775 (Arm_relocate_functions::base_abs): Fix formatting.
1776 (Arm_relocate_functions::got_prel): Fix comment. Change interface
1777 of function to use GOT entry address instead of offset.
1778 (Target_arm::Scan::global): Issue an error if a symbol would need a
1779 PLT does not get one because it is untyped. Remove code to create
1780 dynamic symbols for relative branches.
1781 (Target_arm::Relocate::relocate: Use 0 instead of false since function
1782 takes unsigned integer instead of boolean.
1784 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
1786 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
1787 (two_file_test_LDADD): Likewise.
1788 (common_test_1_LDADD): Likewise.
1789 (exception_test_LDADD) Likewise.
1790 (weak_test_LDADD): Likewise.
1791 (many_sections_test_LDADD): Likewise.
1792 (initpri1_LDADD): Likewise.
1793 (script_test_1_LDADD): Likewise.
1794 (script_test_2_LDADD): Likewise.
1795 (justsyms_LDADD): Likewise.
1796 (binary_test_LDADD): Likewise.
1797 (large_LDADD): Likewise.
1798 * testsuite/Makefile.in: Regenerated.
1800 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
1802 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
1803 (Symbol_table::override_with_special): Likewise.
1804 (Symbol_table::add_from_object): Likewise.
1806 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1808 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1809 Don't set the data_offset twice.
1811 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
1813 * testsuite/Makefile.in: Regenerate.
1815 2009-12-03 Doug Kwan <dougkwan@google.com>
1817 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
1818 (Target_arm::do_finalize_sections): Add parameter for symbol table
1819 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
1820 * i386.cc (Target_i386::do_finalize_sections): Add an additional
1821 parameter for symbol table pointer.
1822 * layout.cc (Layout::finalize): Call Target::finalize_sections with
1823 an additional parameter for a pointer to symbol table.
1824 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
1825 parameter for a symbol table pointer.
1826 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
1827 * target.h (Target::finalize_sections, Target::do_finalize_sections):
1829 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
1830 parameter for a symbol table pointer.
1832 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
1834 * incremental.cc (Incremental_inputs_header)
1835 (Incremental_inputs_header_write, Incremental_inputs_entry)
1836 (Incremental_inputs_entry_write): Move ...
1837 * incremental.h (Incremental_inputs_header)
1838 (Incremental_inputs_header_write, Incremental_inputs_entry)
1839 (Incremental_inputs_entry_write): here.
1841 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1843 * incremental.cc (make_sized_incremental_binary): Set the target.
1844 Error if it is incompatible.
1845 * output.h (Output_file): Add filename method.
1847 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1849 * incremental.cc (Incremental_inputs_entry): Remove unused argument
1850 from the get_* methods.
1852 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1854 * incremental-dump.cc (main): Check that the offeset of a script is 0.
1855 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
1856 Write 0 for the data_offset of scripts.
1858 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
1860 * testsuite/Makefile.am: Add the incremental_test.sh test.
1861 * testsuite/incremental_test.sh: New.
1862 * testsuite/incremental_test_1.c: New.
1863 * testsuite/incremental_test_2.c: New.
1865 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
1867 * incremental-dump.cc (main): Fix typos.
1869 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
1872 * incremental-dump.cc (main): Use llu to print 64 bit values.
1874 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
1875 H.J. Lu <hongjiu.lu@intel.com>
1877 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
1879 (incremental_dump_LDADD): Likewise.
1880 * Makefile.in: Regenerated.
1882 2009-11-25 Doug Kwan <dougkwan@google.com>
1886 2009-11-25 Doug Kwan <dougkwan@google.com>
1888 * arm.cc (Target_arm::Target_arm): Move method definition
1889 outside of class definition. Add code to handle
1890 --target1-rel, --target1-abs and --target2= options.
1891 (Target_arm::get_reloc_reloc_type): Change method to be
1892 non-static and const.
1893 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
1894 New data member declaration.
1895 (Target_arm::Scan::local, Target_arm::Scan::global,
1896 Target_arm::Relocate::relocate,
1897 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
1898 Adjust call to Target_arm::get_real_reloc_type.
1899 (Target_arm::get_real_reloc_type): Use command line options
1900 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1901 * options.h (--target1-rel, --target1-abs, --target2): New
1904 2009-11-25 Doug Kwan <dougkwan@google.com>
1906 * arm.cc (Target_arm::Target_arm): Move method definition outside of
1907 class definition. Add code to handle --target1-rel, --target1-abs
1908 and --target2= options.
1909 (Target_arm::get_reloc_reloc_type): Change method to be non-static
1911 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
1913 (Target_arm::Scan::local, Target_arm::Scan::global,
1914 Target_arm::Relocate::relocate,
1915 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
1916 call to Target_arm::get_real_reloc_type.
1917 (Target_arm::get_real_reloc_type): Use command line options to
1918 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
1919 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
1922 2009-11-25 Doug Kwan <dougkwan@google.com>
1924 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
1925 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
1926 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
1928 (Arm_relocate_functions::thm_call): Replace body with a call to
1929 Arm_relocate_functions::thumb_branch_common.
1930 (Arm_relocate_functions::thm_jump24,
1931 Arm_relocate_functions::thm_xpc22): New method definitions.
1932 (Arm_relocate_functions::thumb_branch_common): New method definition.
1933 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
1935 (Target_arm::Relocate::relocate): Adjust call to thm_call.
1936 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
1938 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1940 * Makefile.am: Build incremental-dump
1941 * Makefile.in: Regenerate.
1942 * incremental-dump.cc: New.
1943 * incremental.cc (Incremental_inputs_header_data,
1944 Incremental_inputs_entry_data): Move to incremental.h
1945 * incremental.h: (Incremental_inputs_header_data,
1946 Incremental_inputs_entry_data): Move from incremental.cc
1948 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1950 * incremental.cc (Incremental_inputs_header,
1951 Incremental_inputs_header_write, Incremental_inputs_entry,
1952 Incremental_inputs_entry_write): Add a typedef with the data type.
1954 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
1956 * incremental.cc (Incremental_inputs_header,
1957 Incremental_inputs_header_write, Incremental_inputs_entry,
1958 Incremental_inputs_entry_write): Update comment about which
1959 type has the filed descriptions.
1961 2009-11-15 Doug Kwan <dougkwan@google.com>
1963 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
1964 (Arm_relocate_functions::arm_branch_common): Change method defintion
1965 in class definition to a method declaration and update list of formal
1967 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
1968 Arm_relocation_functions::jump24): Adjust call to
1969 Arm_relocate_functions::arm_branch_common. Update list of formal
1971 (Arm_relocate_functions::xpc25): New method definition.
1972 (Arm_relocate_functions::arm_branch_common): Move method defintion
1973 out from class definition. Use stubs for mode-switching and extending
1975 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
1976 specially. Change code to enable use of stubs in ARM branches.
1978 2009-11-10 Doug Kwan <dougkwan@google.com>
1980 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
1981 in method declaration.
1982 (Target_arm::relocate_stub): New method declaration.
1983 (Target_arm::default_target): Change to return a pointer instead of
1985 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
1986 Target_arm::default_target.
1987 (Arm_Relobj::do_relocate_sections): Remove options paramater in
1989 (Target_arm::relocate_section): Adjust view.
1990 (Target_arm::relocate_stub): New method definition.
1992 2009-11-10 Doug Kwan <dougkwan@google.com>
1994 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
1996 * incremental.cc (open_incremental_binary): Initialized local
1997 variables to avoid warnings.
1998 * object.cc (make_elf_object): Ditto.
1999 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
2002 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
2005 * testsuite/plugin_test.c: Include "config.h".
2007 2009-11-09 Doug Kwan <dougkwan@google.com>
2009 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
2010 (arm_symbol_value): Remove.
2011 (Arm_relocate_functions::arm_branch_common,
2012 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
2013 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
2014 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
2015 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
2016 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
2017 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
2018 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
2019 Arm_relocate_functions::thm_mobw_abs_nc,
2020 Arm_relocate_functions::thm_mov_abs,
2021 Arm_relocate_functions::movw_prel_nc,
2022 Arm_relocate_functions::thm_movt_abs,
2023 Arm_relocate_functions::movt_prel,
2024 Arm_relocate_functions::thm_movw_prel_nc,
2025 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
2026 (Target_arm::Relocate::relocate): Only decompose address into two
2027 parts if relocation type uses the thumb-bit and pass the actual
2028 bit instead of a flag indicating that the thumb-bit is used. Adjust
2029 calls to methods in Arm_relocate_functions for this change.
2031 2009-11-08 Ian Lance Taylor <iant@google.com>
2034 * reloc.cc: Instantiate
2035 Sized_relobj::initialize_input_to_output_maps and
2036 Sized_relobj:free_input_to_output_maps.
2038 2009-11-06 Ian Lance Taylor <iant@google.com>
2041 * defstd.cc (in_segment): Set only_if_ref true for "end".
2043 2009-11-06 Doug Kwan <dougkwan@google.com>
2045 * arm.cc (class Reloc_stub): Correct a comment.
2046 (Target_arm::Target_arm): Initialize arm_input_section_map_.
2047 (Target_arm::scan_section_for_stubs): New method declaration.
2048 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
2049 Change methods from private to protected.
2050 (Target_arm::do_may_relax): New method definition.
2051 (Target_arm::do_relax, Target_arm::group_sections,
2052 Target_arm::scan_reloc_for_stub,
2053 Target_arm::scan_reloc_section_for_stubs): New method declarations.
2054 (Target_arm::arm_input_section_map_): New data member declaration.
2055 (Target_arm::scan_reloc_for_stub,
2056 Target_arm::scan_reloc_section_for_stubs,
2057 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
2058 Target_arm::do_relax): New method definitions.
2060 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
2062 * configure.ac: Check for (struct stat)::st_mtim
2063 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
2064 * config.in: Regenerate.
2065 * configure: Regenerate.
2067 2009-11-05 Ian Lance Taylor <iant@google.com>
2070 * output.cc (Output_segment::add_output_section): Add missing
2073 2009-11-04 Ian Lance Taylor <iant@google.com>
2076 * object.h (class Object): Add is_needed and set_is_needed
2077 methods. Add is_needed_ field. Make bool fields into bitfields.
2078 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
2079 defined in a dynamic object and referenced by a regular object,
2080 set is_needed for the dynamic object.
2081 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
2082 if the file is marked with as_needed and it is not needed.
2084 2009-11-04 Ian Lance Taylor <iant@google.com>
2087 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
2088 tags if data is discarded by linker script.
2089 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2090 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2091 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2092 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2094 2009-11-04 Ian Lance Taylor <iant@google.com>
2096 * layout.cc (Layout::get_output_section): Add is_interp and
2097 is_dynamic_linker_section parameters. Change all callers.
2098 (Layout::choose_output_section): Likewise.
2099 (Layout::make_output_section): Likewise.
2100 (Layout::add_output_section_data): Add is_dynamic_linker_section
2101 parameter. Change all callers.
2102 * layout.h (class Layout): Update declarations.
2103 * output.h (class Output_section): Add is_interp, set_is_interp,
2104 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
2105 Add is_interp_, is_dynamic_linker_section_ fields. Change
2106 generate_code_fills_at_write_ to a bitfield.
2107 * output.cc (Output_section::Output_sections): Initialize new
2109 (Output_segment::add_output_section): Add do_sort parameter.
2112 2009-11-03 Ian Lance Taylor <iant@google.com>
2115 * options.h (class General_options): Add --warn-common.
2116 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
2117 merging two common symbols.
2118 (Symbol_table::should_override): Handle --warn-common when merging
2119 a common symbol with a defined symbol. Use report_resolve_problem
2120 for multiple definitions.
2121 (Symbol_table::report_resolve_problem): New function.
2122 * symtab.h (class Symbol_table): Declare report_resolve_problem.
2124 2009-11-03 Doug Kwan <dougkwan@google.com>
2126 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
2128 (Target_arm::stub_factory): New method definition.
2129 (Target_arm::new_arm_input_section,
2130 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
2131 Target_arm::reloc_uses_thumb_bit): New method declarations.
2132 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
2133 New type definitions.
2134 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
2135 member declarations.
2136 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
2137 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
2138 New method definitions.
2140 2009-11-03 Ian Lance Taylor <iant@google.com>
2142 * options.h (class General_options): Add --warn_constructors.
2144 2009-11-03 Ian Lance Taylor <iant@google.com>
2147 * defstd.cc (in_section): Add entries for __rel_iplt_start,
2148 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
2150 2009-11-03 Ian Lance Taylor <iant@google.com>
2153 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
2154 --msgid-bugs-address.
2155 (install-pdf): New target.
2156 (install-data_yes): Look up one directory to find mkinstalldirs.
2158 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
2160 * po/Make-in (.po.gmo): Don't generate .gmo files in source
2163 2009-10-30 Doug Kwan <dougkwan@google.com>
2165 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
2167 2009-10-30 Doug Kwan <dougkwan@google.com>
2169 * arm.cc (Stub_addend_reader): New struct template definition
2170 and partial specializations.
2171 (Stub_addend_reader::operator()): New method definition for a
2172 partially specialized template.
2174 2009-10-30 Doug Kwan <dougkwan@google.com>
2176 * arm.cc (Arm_relobj::processor_specific_flags): New method
2178 (Arm_relobj::do_read_symbols): New method declaration.
2179 (Arm_relobj::processor_specific_flags_): New data member declaration.
2180 (Arm_dynobj): New class definition.
2181 (Target_arm::do_finalize_sections): Add input_objects parameter.
2182 (Target_arm::do_adjust_elf_header): New method declaration.
2183 (Target_arm::are_eabi_versions_compatible,
2184 (Target_arm::merge_processor_specific_flags): New method declaration.
2185 (Target_arm::do_make_elf_object): New overloaded method definitions
2187 (Arm_relobj::do_read_symbols): New method definition.
2188 (Arm_dynobj::do_read_symbols): Ditto.
2189 (Target_arm::do_finalize_sections): Add input_objects parameters.
2190 Merge processor-specific flags from all input objects.
2191 (Target_arm::are_eabi_versions_compatible,
2192 Target_arm::merge_processor_specific_flags,
2193 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
2194 New method definitions.
2195 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
2196 Input_objects pointer type parameter.
2197 * layout.cc (Layout::finalize): Pass input objects to target's.
2198 finalize_sections function.
2199 * output.cc (Output_file_header::do_sized_write): Set ELF file
2200 header's processor-specific flags.
2201 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
2202 Input_objects pointer type parameter.
2203 * sparc.cc (Target_sparc::do_finalize_sections): Same.
2204 * target.h (Input_objects): New forward class declaration.
2205 (Target::processor_specific_flags,
2206 Target::are_processor_specific_flags_sect): New method definitions.
2207 (Target::finalize_sections): Add input_objects parameter.
2208 (Target::Target): Initialize processor_specific_flags_ and
2209 are_processor_specific_flags_set_.
2210 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
2212 (Target::set_processor_specific_flags): New method definition.
2213 (Target::processor_specific_flags_,
2214 Target::are_processor_specific_flags_set_): New data member
2216 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
2217 Input_objects pointer type parameter.
2219 2009-10-30 Doug Kwan <dougkwan@google.com>
2221 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
2223 2009-10-28 Ian Lance Taylor <iant@google.com>
2225 * object.h (class Relobj): Drop options parameter from
2226 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
2227 do_scan_relocs, do_relocate. Change all callers.
2228 (class Sized_relobj): Drop options parameters from
2229 do_gc_process_relocs, do_scan_relocs, do_relocate,
2230 do_relocate_sections, relocate_sections, emit_relocs_scan,
2231 emit_relocs_scan_reltype. Change all callers.
2232 (struct Relocate_info): Remove options field and all references to
2234 * reloc.h (class Read_relocs): Remove options constructor
2235 parameter and options_ field. Change all callers.
2236 (class Gc_process_relocs, class Scan_relocs): Likewise.
2237 (class Relocate_task): Likewise.
2238 * target-reloc.h (scan_relocs): Remove options parameter. Change
2240 (scan_relocatable_relocs): Likewise.
2241 * target.h (class Sized_target): Remove options parameter from
2242 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
2244 * gc.h (gc_process_relocs): Remove options parameter. Change all
2246 * arm.cc: Update functions to remove options parameters.
2247 * i386.cc: Likewise.
2248 * powerpc.cc: Likewise.
2249 * sparc.cc: Likewise.
2250 * x86_64.cc: Likewise.
2251 * testsuite/testfile.cc: Likewise.
2253 2009-10-28 Doug Kwan <dougkwan@google.com>
2255 * arm.cc (Arm_relobj): New class definition.
2256 (Arm_relobj::scan_sections_for_stubs,
2257 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
2258 New method definitions.
2260 2009-10-28 Cary Coutant <ccoutant@google.com>
2262 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
2263 (Plugin::cleanup_done_): New member.
2264 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
2265 (Plugin_manager::cleanup_done_): Remove.
2266 (Plugin_manager::add_input_file): Edit error message.
2267 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
2268 (Plugin_manager::cleanup): Remove use of cleanup_done_.
2270 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
2272 * fileread.cc: (File_read::View::~View): Use the new
2273 data_ownership_ filed.
2274 (File_read::~File_read): Dispose the new whole_file_view_.
2275 (File_read::open): Mmap the whole file if needed.
2276 (File_read::open): Use whole_file_view_ instead of contents_.
2277 (File_read::find_view): Use whole_file_view_ if applicable.
2278 (File_read::do_read): Use whole_file_view_ instead of contents_.
2279 (File_read::make_view): Use whole_file_view_ instead of contents_,
2280 update File_read::View::View call.
2281 (File_read::find_or_make_view): Update File_read::View::View
2283 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
2285 (File_read::View::Data_ownership): New enum.
2286 (File_read::View::View): Replace bool mapped_ with Data_ownership
2288 (File_read::View::mapped_): Remove (replaced by data_ownership_).
2289 (File_read::View::data_ownership_): New field.
2290 (File_read::contents_): Remove (replaced by whole_file_view_).
2291 (File_read::whole_file_view_): New field.
2292 * options.h (class General_options): Add --keep-files-mapped.
2294 2009-10-27 Cary Coutant <ccoutant@google.com>
2296 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
2297 * testsuite/Makefile.am (plugin_test_5): New test case.
2298 * testsuite/Makefile.in: Regenerate.
2300 2009-10-25 Doug Kwan <dougkwan@google.com>
2302 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
2303 from private to protected to allow access by child class.
2304 (Sized_relobj::do_relocate_sections): New method declaration.
2305 (Sized_relobj::relocate_sections): Virtualize.
2306 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
2307 Sized_relobj::relocate_sections. Instantiate template explicitly
2308 for different target sizes and endianity.
2310 2009-10-24 Doug Kwan <dougkwan@google.com>
2312 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
2313 (Arm_input_section::as_arm_input_section): New method.
2314 (Arm_output_section): New class definition.
2315 (Arm_output_section::create_stub_group,
2316 Arm_output_section::group_sections): New method definitions.
2318 2009-10-22 Doug Kwan <dougkwan@google.com>
2320 * arm.cc (Arm_input_section): New class definition.
2321 (Arm_input_section::init, Arm_input_section:do_write,
2322 Arm_input_section::set_final_data_size,
2323 Arm_input_section::do_reset_address_and_file_offset): New method
2326 2009-10-21 Doug Kwan <dougkwan@google.com>
2328 * arm.cc (Stub_table, Arm_input_section): New forward class
2330 (Stub_table): New class defintion.
2331 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
2332 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
2333 New method definition.
2335 2009-10-21 Doug Kwan <dougkwan@google.com>
2337 * arm.cc: Update copyright comments.
2338 (Target_arm): New forward class template declaration.
2339 (Arm_address): New type.
2340 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
2341 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
2342 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
2344 (Insn_template): Same.
2345 (DEF_STUBS): New macro.
2346 (Stub_type): New enum type.
2347 (Stub_template): New class definition.
2350 (Stub_factory): Same.
2351 (Target_arm::Target_arm): Initialize may_use_blx_ and
2352 should_force_pic_veneer_.
2353 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
2354 Target_arm::should_force_pic_veneer,
2355 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
2356 Target_arm::using_thumb_only, Target_arm:;default_target): New
2358 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
2359 New data member declarations.
2360 (Insn_template::size, Insn_template::alignment): New method defintions.
2361 (Stub_template::Stub_template): New method definition.
2362 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
2363 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
2364 (Stub_factory::Stub_factory): New method definition.
2365 * gold.h (string_hash): New template.
2366 * output.h (Input_section_specifier::hash_value): Use
2368 (Input_section_specifier::string_hash): Remove.
2369 * stringpool.cc (Stringpool_template::string_hash): Use
2372 2009-10-20 Doug Kwan <dougkwan@google.com>
2374 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
2375 symbols of relaxed input sections.
2376 * output.h (Output_section::find_relaxed_input_section): Make
2379 2009-10-16 Doug Kwan <dougkwan@google.com>
2381 * dynobj.cc (Versions::Versions): Initialize version_script_.
2382 Only insert base version symbol definition for a shared object
2383 if version script defines any version versions.
2384 (Versions::define_base_version): New method definition.
2385 (Versions::add_def): Check that base version is not needed.
2386 (Versions::add_need): Define base version lazily.
2387 * dynobj.h (Versions::define_base_version): New method declaration.
2388 (Versions::needs_base_version_): New data member declaration.
2389 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
2390 (check_DATA): Add no_version_test.stdout.
2391 (libno_version_test.so, no_version_test.o no_version_test.stdout):
2393 * testsuite/Makefile.in: Regenerate.
2394 * testsuite/no_version_test.c: New file.
2395 * testsuite/no_version_test.sh: Ditto.
2397 2009-10-16 Doug Kwan <dougkwan@google.com>
2399 * expression.cc (class Segment_start_expression): New class definition.
2400 (Segment_start_expression::value): New method definition.
2401 (script_exp_function_segment_start): Return a new
2402 Segment_start_expression.
2403 * gold/script-c.h (script_saw_segment_start_expression): New function
2405 * script-sections.cc (Script_sections::Script_sections): Initialize
2406 SAW_SEGMENT_START_EXPRESSION_ to false.
2407 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
2408 and -Tbbs options to specify section addresses if given in
2409 command line and no SEGMENT_START expression is seen in a script.
2410 * script-sections.h (Script_sections::saw_segment_start_expression,
2411 Script_sections::set_saw_segment_start_expression): New method
2413 (Script_sections::saw_segment_start_expression_): New data member
2415 * script.cc (script_saw_segment_start_expression): New function.
2416 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
2417 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
2418 script_test_7.sh and script_test_8.sh.
2419 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
2420 script_test_8.stdout.
2421 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
2422 (script_test_6, script_test_6.stdout, script_test_7,
2423 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
2424 * Makefile.in: Regenerate.
2425 * testsuite/script_test_6.sh: New file.
2426 * testsuite/script_test_6.t: Same.
2427 * testsuite/script_test_7.sh: Same.
2428 * testsuite/script_test_7.t: Same.
2429 * testsuite/script_test_8.sh: Same.
2431 2009-10-16 Doug Kwan <dougkwan@google.com>
2433 * output.cc (Output_segment::set_section_list_address): Cast
2434 expressions to unsigned long long type to avoid format warnings.
2436 2009-10-15 Ian Lance Taylor <iant@google.com>
2438 * script.cc (Script_options::add_symbol_assignment): Always add a
2439 dot assignment to script_sections_.
2440 * script-sections.cc (Script_sections::add_dot_assignment):
2441 Initialize if necessary.
2443 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
2444 program headers with no load segment if there is a linker script.
2446 * layout.cc (Layout::set_segment_offsets): Align the file offset
2447 to the segment aligment for -N or -n with no load segment.
2448 * output.cc (Output_segment::add_output_section): Don't crash if
2449 the first section is a TLS section.
2450 (Output_segment::set_section_list_addresses): Print an error
2451 message if the address moves backward in a linker script.
2452 * script-sections.cc
2453 (Output_section_element_input::set_section_addresses): Don't
2454 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
2455 (Orphan_output_section::set_section_addresses): Likewise.
2457 2009-10-15 Doug Kwan <dougkwan@google.com>
2459 * layout.cc (Layout::finish_dynamic_section): Generate tags
2460 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
2461 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
2462 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
2464 2009-10-14 Ian Lance Taylor <iant@google.com>
2466 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
2468 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
2469 data_shdr fields of relinfo.
2470 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
2471 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
2472 R_386_TLS_LDO_32, adjust based on section flags.
2473 (Target_i386::Relocate::fix_up_ldo): Remove.
2475 2009-10-13 Ian Lance Taylor <iant@google.com>
2477 Add support for -pie.
2478 * options.h (class General_options): Add -pie and
2480 (General_options::output_is_position_independent): Test -pie.
2481 (General_options::output_is_executable): Return true if not shared
2482 and not relocatable.
2483 (General_options::output_is_pie): Remove.
2484 * options.cc (General_options::finalize): Reject incompatible uses
2486 * gold.cc (queue_middle_tasks): A -pie link is not static.
2487 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
2488 * symtab.cc (Symbol::final_value_is_known): Return false if
2489 output_is_position_independent.
2490 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
2491 output_is_position_independent.
2492 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
2493 output_is_position_independent.
2494 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
2495 output_is_position_independent.
2496 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
2498 (basic_pie_test.o, basic_pie_test): New targets.
2499 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
2500 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
2501 (two_file_pie_test): New target.
2502 * testsuite/Makefile.in: Rebuild.
2503 * README: Remove note saying that -pie is not supported.
2505 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
2507 * options.h (class General_options): Add -init and -fini.
2508 * layout.cc (Layout::finish_dynamic_section): Emit
2509 given init and fini functions.
2511 2009-10-13 Sriraman Tallam <tmsriram@google.com>
2513 * gc.h (gc_process_relocs): Check if icf is enabled using new
2515 * gold.cc (queue_initial_tasks): Likewise.
2516 (queue_middle_tasks): Likewise.
2517 * object.cc (do_layout): Likewise.
2518 * symtab.cc (is_section_folded): Likewise.
2519 * main.cc (main): Likewise.
2520 * reloc.cc (Read_relocs::run): Likewise.
2521 (Sized_relobj::do_scan_relocs): Likewise.
2522 * icf.cc (is_function_ctor_or_dtor): New function.
2523 (Icf::find_identical_sections): Check if function is ctor or dtor when
2525 * options.h (General_options::icf): Change option to be an enum.
2526 (Icf_status): New enum.
2527 (icf_enabled): New method.
2528 (icf_safe_folding): New method.
2529 (set_icf_status): New method.
2530 (icf_status_): New variable.
2531 * (options.cc) (General_options::finalize): Set icf_status_.
2532 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
2533 icf_test and icf_keep_unique_test to use the --icf enum flag.
2534 * testsuite/icf_safe_test.sh: New file.
2535 * testsuite/icf_safe_test.cc: New file.
2537 2009-10-12 Sriraman Tallam <tmsriram@google.com>
2539 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
2540 includes to gc.h and icf.h.
2541 * arm.cc: Include gc.h.
2542 * gold.cc: Likewise.
2543 * i386.cc: Likewise.
2544 * powerpc.cc: Likewise.
2545 * sparc.cc: Likewise.
2546 * x86_64.cc: Likewise.
2547 * gc.h: Include icf.h.
2549 2009-10-11 Ian Lance Taylor <iant@google.com>
2551 * plugin.cc: Include "gold.h" before other header files.
2553 2009-10-10 Chris Demetriou <cgd@google.com>
2555 * options.h (Input_file_argument::Input_file_type): New enum.
2556 (Input_file_argument::is_lib_): Replace with...
2557 (Input_file_argument::type_): New member.
2558 (Input_file_argument::Input_file_argument): Take Input_file_type
2559 'type' rather than boolean 'is_lib' as second argument.
2560 (Input_file_argument::is_lib): Use type_.
2561 (Input_file_argument::is_searched_file): New function.
2562 (Input_file_argument::may_need_search): Handle is_searched_file.
2563 * options.cc (General_options::parse_library): Support -l:filename.
2564 (General_options::parse_just_symbols): Update for Input_file_argument
2566 (Command_line::process): Likewise.
2567 * archive.cc (Archive::get_file_and_offset): Likewise.
2568 * plugin.cc (Plugin_manager::release_input_file): Likewise.
2569 * script.cc (read_script_file, script_add_file): Likewise.
2570 * fileread.cc (Input_file::Input_file): Likewise.
2571 (Input_file::will_search_for): Handle is_searched_file.
2572 (Input_file::open): Likewise.
2573 * readsyms.cc (Read_symbols::get_name): Likewise.
2574 * testsuite/Makefile.am (searched_file_test): New test.
2575 * testsuite/Makefile.in: Regenerate.
2576 * testsuite/searched_file_test.cc: New file.
2577 * testsuite/searched_file_test_lib.cc: New file.
2579 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2580 Ian Lance Taylor <iant@google.com>
2582 * descriptor.cc: Include <cstdio> and "binary-io.h".
2583 (Descriptors::open): Open the files in binary mode always.
2584 * script.cc (Lex::get_token): Treat \r as whitespace.
2586 2009-10-09 Ian Lance Taylor <iant@google.com>
2588 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
2590 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2591 Ian Lance Taylor <iant@google.com>
2593 * configure.ac: Check for readv function also.
2594 * fileread.cc (readv): Define if not HAVE_READV.
2595 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
2597 * config.in: Regenerate.
2598 * configure: Regenerate.
2600 2009-10-09 Doug Kwan <dougkwan@google.com>
2602 * layout.cc (Layout::make_output_section): Call target hook to make
2603 ordinary output section.
2604 (Layout::finalize): Adjust parameter list of call the
2605 Target::may_relax().
2606 * layout.h (class Layout::section_list): New method.
2607 * merge.h (Output_merge_base::entsize): Change visibility to public.
2608 (Output_merge_base::is_string, Output_merge_base::do_is_string):
2610 (Output_merge_string::do_is_string): New method.
2611 * object.cc (Sized_relobj::do_setup): renamed from
2612 Sized_relobj::set_up.
2613 * object.h (Sized_relobj::adjust_shndx,
2614 Sized_relobj::initializ_input_to_output_maps,
2615 Sized_relobj::free_input_to_output_maps): Change visibilities to
2617 (Sized_relobj::setup): Virtualize.
2618 (Sized_relobj::do_setup): New method declaration.
2619 (Sized_relobj::invalidate_section_offset,
2620 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
2621 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
2622 * options.cc (parse_int): New function.
2623 * options.h (parse_int): New declaration.
2624 (DEFINE_int): New macro.
2625 (stub_group_size): New option.
2626 * output.cc (Output_section::Output_section): Initialize memebers
2627 merge_section_map_, merge_section_by_properties_map_,
2628 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
2629 (Output_section::add_input_section): Handled deferred code-fill
2630 generation and remove an old comment.
2631 (Output_section::add_relaxed_input_section): New method definition.
2632 (Output_section::add_merge_input_section): Use merge section by
2633 properties map to speed to search. Update merge section maps
2635 (Output_section::build_relaxation_map): New method definition.
2636 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2638 (Output_section::relax_input_section): Renamed to
2639 Output_section::convert_input_sections_to_relaxed_sections and change
2640 interface to take a vector of pointers to relaxed sections.
2641 (Output_section::find_merge_section,
2642 Output_section::find_relaxed_input_section): New method definitions.
2643 (Output_section::is_input_address_mapped,
2644 Output_section::output_offset, Output_section::output_address):
2645 Use output section data maps to speed up searching.
2646 (Output_section::find_starting_output_address): Add comments.
2647 (Output_section::do_write,
2648 Output_section::write_to_postprocessing_buffer): Do code-fill
2649 generation as appropriate.
2650 (Output_section::get_input_sections): Invalidate relaxed input section
2652 (Output_section::restore_states): Adjust type of checkpoint .
2653 Invalidate relaxed input section map.
2654 * output.h (Output_merge_base): New class declaration.
2655 (Input_section_specifier): New class defintion.
2656 (class Output_relaxed_input_section) Change base class to
2657 Output_section_data_build.
2658 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
2659 base class initializer.
2660 (Output_section::add_relaxed_input_section): New method declaration.
2661 (Output_section::Input_section): Change visibility to protected.
2662 (Output_section::Input_section::relobj,
2663 Output_section::Input_section::shndx): Handle relaxed input sections.
2664 Output_section::input_sections) Change visibility to protected. Also
2665 define overload to return a non-const pointer.
2666 (Output_section::Merge_section_properties): New class defintion.
2667 (Output_section::Merge_section_by_properties_map,
2668 Output_section::Output_section_data_by_input_section_map,
2669 Output_section::Relaxation_map): New types.
2670 (Output_section::relax_input_section): Rename method to
2671 Output_section::convert_input_sections_to_relaxed_sections and change
2672 interface to take a vector of relaxed section pointers.
2673 (Output_section::find_merge_section,
2674 Output_section::find_relaxed_input_section,
2675 Output_section::build_relaxation_map,
2676 Output_section::convert_input_sections_in_list_to_relaxed_sections):
2677 New method declarations.
2678 (Output_section::merge_section_map_
2679 Output_section::merge_section_by_properties_map_,
2680 Output_section::relaxed_input_section_map_,
2681 Output_section::is_relaxed_input_section_map_valid_,
2682 Output_section::generate_code_fills_at_write_): New data members.
2683 * script-sections.cc
2684 (Output_section_element_input::set_section_addresses): Call
2685 current_data_size and addralign methods of relaxed input sections.
2686 (Orphan_output_section::set_section_addresses): Call current_data_size
2687 and addralign methods of relaxed input sections.
2688 * symtab.cc (Symbol_table::compute_final_value): Extract template
2689 from the body of Symbol_table::sized_finalize_symbol.
2690 (Symbol_table::sized_finalized_symbol): Call
2691 Symbol_table::compute_final_value.
2692 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
2693 (Symbol_table::compute_final_value): New templated method declaration.
2694 * target.cc (Target::do_make_output_section): New method defintion.
2695 * target.h (Target::make_output_section): New method declaration.
2696 (Target::relax): Add more parameters for input objects, symbol table
2697 and layout. Adjust call to do_relax.
2698 (Target::do_make_output_section): New method declaration.
2699 (Target::do_relax): Add parameters for input objects, symbol table
2702 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2704 * pread.c: Include stdio.h.
2706 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2708 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
2711 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
2713 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
2714 Change read_shndx type to unsigned int.
2715 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2717 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2718 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
2719 Change read_shndx type to unsigned int.
2720 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
2722 (Sized_dwarf_line_info::read_line_mappings): Likewise.
2723 * layout.cc (Layout::create_symtab_sections): Cast the result of
2724 local_symcount * symsize to off_t in the gold_assert.
2726 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2728 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
2729 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
2731 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
2732 (Arm_relocate_functions::thm_abs5): New function.
2733 (Arm_relocate_functions::abs12): New function.
2734 (Arm_relocate_functions::abs16): New function.
2735 (Arm_relocate_functions::base_abs): New function.
2736 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
2737 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
2738 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
2740 (Scan::global): Likewise.
2741 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
2742 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
2743 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
2744 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
2747 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2749 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
2750 (Arm_relocate_functions::movt_prel): New function.
2751 (Arm_relocate_functions::thm_movw_prel_nc): New function.
2752 (Arm_relocate_functions::thm_movt_prel): New function.
2753 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
2754 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
2755 (Scan::global, Relocate::relocate): Likewise.
2756 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2758 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2760 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
2761 Incremental_checker.
2762 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
2764 (class Incremental_inputs_header): New class.
2765 (Incremental_inputs_header_writer): Edit comment.
2766 (Incremental_inputs_entry): New class.
2767 (Incremental_inputs_entry_writer): Edit comment.
2768 (Sized_incremental_binary::do_find_incremental_inputs_section):
2769 Add *strtab_shndx parameter, fill it.
2770 (Sized_incremental_binary::do_check_inputs): New method.
2771 (Incremental_checker::can_incrementally_link_output_file): Use
2772 Sized_incremental_binary::check_inputs.
2773 (Incremental_inputs::report_command_line): Save command line in
2776 (Incremental_binary::find_incremental_inputs_section): New
2778 (Incremental_binary::do_find_incremental_inputs_section): Add
2779 strtab_shndx parameter.
2780 (Incremental_binary::do_check_inputs): New pure virtual method.
2781 (Sized_incremental_binary::do_check_inputs): Declare.
2782 (Incremental_checker::Incremental_checker): Add incremental_inputs
2783 parameter, use it to initialize incremental_inputs_.
2784 (Incremental_checker::incremental_inputs_): New field.
2785 (Incremental_checker::command_line): New method.
2786 (Incremental_checker::inputs): New method.
2787 (Incremental_checker::command_line_): New field.
2789 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
2791 * incremental.cc: Include <cstdarg> and "target-select.h".
2792 (vexplain_no_incremental): New function.
2793 (explain_no_incremental): New function.
2794 (Incremental_binary::error): New method.
2795 (Sized_incremental_binary::do_find_incremental_inputs_section): New
2797 (make_sized_incremental_binary): New function.
2798 (open_incremental_binary): New function.
2799 (can_incrementally_link_file): Add checks if output is ELF and has
2801 * incremental.h: Include "elfcpp_file.h" and "output.h".
2802 (Incremental_binary): New class.
2803 (Sized_incremental_binary): New class.
2804 (open_incremental_binary): Declare.
2805 * object.cc (is_elf_object): Use
2806 elfcpp::Elf_recognizer::is_elf_file.
2807 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
2808 * output.h (Output_file::filesize): New method.
2810 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2812 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
2814 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
2815 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
2817 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
2819 (Arm_relocate_functions::movw_abs_nc): New function.
2820 (Arm_relocate_functions::movt_abs): New function.
2821 (Arm_relocate_functions::thm_movw_abs_nc): New function.
2822 (Arm_relocate_functions::thm_movt_abs): New function.
2823 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
2824 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
2825 (Scan::global): Likewise.
2826 (Relocate::relocate): Likewise.
2827 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2829 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2831 * arm.cc (Arm_relocate_functions::got_prel) New function.
2832 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
2833 (Relocate::relocate): Likewise.
2834 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2836 2009-10-06 Ian Lance Taylor <iant@google.com>
2838 * options.h (class General_options): Define
2839 split_stack_adjust_size parameter.
2840 * object.h (class Object): Add uses_split_stack_ and
2841 has_no_split_stack_ fields. Add uses_split_stack and
2842 has_no_split_stack accessor functions. Declare
2843 handle_split_stack_section.
2844 (class Reloc_symbol_changes): Define.
2845 (class Sized_relobj): Define Function_offsets. Declare
2846 split_stack_adjust, split_stack_adjust_reltype, and
2848 * object.cc (Object::handle_split_stack_section): New function.
2849 (Sized_relobj::do_layout): Call handle_split_stack_section.
2850 * dynobj.cc (Sized_dynobj::do_layout): Call
2851 handle_split_stack_section.
2852 * reloc.cc (Sized_relobj::relocate_sections): Call
2853 split_stack_adjust for executable sections in split_stack
2854 objects. Pass reloc_map to relocate_section.
2855 (Sized_relobj::split_stack_adjust): New function.
2856 (Sized_relobj::split_stack_adjust_reltype): New function.
2857 (Sized_relobj::find_functions): New function.
2858 * target-reloc.h: Include "object.h".
2859 (relocate_section): Add reloc_symbol_changes parameter. Change
2861 * target.h (class Target): Add calls_non_split method. Declare
2862 do_calls_non_split virtual method. Declare match_view and
2864 * target.cc: Include "elfcpp.h".
2865 (Target::do_calls_non_split): New function.
2866 (Target::match_view): New function.
2867 (Target::set_view_to_nop): New function.
2868 * gold.cc (queue_middle_tasks): Give an error if mixing
2869 split-stack and non-split-stack objects with -r.
2870 * i386.cc (Target_i386::relocate_section): Add
2871 reloc_symbol_changes parameter.
2872 (Target_i386::do_calls_non_split): New function.
2873 * x86_64.cc (Target_x86_64::relocate_section): Add
2874 reloc_symbol_changes parameter.
2875 (Target_x86_64::do_calls_non_split): New function.
2876 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
2878 * powerpc.cc (Target_powerpc::relocate_section): Add
2879 reloc_symbol_changes parameter.
2880 * sparc.cc (Target_sparc::relocate_section): Add
2881 reloc_symbol_changes parameter.
2882 * configure.ac: Call AM_CONDITIONAL for the default target.
2883 * configure: Rebuild.
2884 * testsuite/Makefile.am (TEST_AS): New variable.
2885 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
2886 (check_DATA): Add split_i386 and split_x86_64 files.
2887 (SPLIT_DEFSYMS): Define.
2888 (split_i386_[1234n].o): New targets.
2889 (split_i386_[124]): New targets.
2890 (split_i386_[1234r].stdout): New targets.
2891 (split_x86_64_[1234n].o): New targets.
2892 (split_x86_64_[124]): New targets.
2893 (split_x86_64_[1234r].stdout): New targets.
2894 (MOSTLYCLEANFILES): Add new executables.
2895 * testsuite/split_i386.sh: New file.
2896 * testsuite/split_x86_64.sh: New file.
2897 * testsuite/split_i386_1.s: New file.
2898 * testsuite/split_i386_2.s: New file.
2899 * testsuite/split_i386_3.s: New file.
2900 * testsuite/split_i386_4.s: New file.
2901 * testsuite/split_i386_n.s: New file.
2902 * testsuite/split_x86_64_1.s: New file.
2903 * testsuite/split_x86_64_2.s: New file.
2904 * testsuite/split_x86_64_3.s: New file.
2905 * testsuite/split_x86_64_4.s: New file.
2906 * testsuite/split_x86_64_n.s: New file.
2907 * testsuite/testfile.cc (Target_test): Update relocation_section
2909 * testsuite/Makefile.in: Rebuild.
2911 2009-10-06 Ian Lance Taylor <iant@google.com>
2913 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
2914 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
2915 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
2916 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
2917 the address on ldo_addrs_.
2918 (Target_i386::Relocate::fix_up_ldo): New function.
2920 2009-10-06 Rafael Espindola <espindola@google.com>
2922 * plugin.cc (add_input_library): New.
2923 (Plugin::load): Add add_input_library to tv.
2924 (Plugin_manager::add_input_file): Add the is_lib argument.
2925 (add_input_file): Update call to Plugin_manager::add_input_file.
2926 (add_input_library): New.
2927 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
2929 2009-09-30 Doug Kwan <dougkwan@google.com>
2931 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
2932 symbol and call Symbol::may_need_copy_reloc to determine if
2933 a copy reloc is needed.
2934 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
2935 nocopyreloc is given in command line.
2936 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
2937 given in command line.
2938 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
2939 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
2940 of the removed Target_i386::may_need_copy_reloc.
2941 * options.h (copyreloc): New option with default value false.
2942 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2943 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
2944 instead of the removed Target_powerpc::may_need_copy_reloc.
2945 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
2946 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
2947 instead of the removed Target_sparc::may_need_copy_reloc.
2948 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
2949 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
2950 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
2951 instead of the removed Target_x86_64::may_need_copy_reloc.
2953 2009-09-30 Ian Lance Taylor <iant@google.com>
2955 * object.h (class Object): Remove target_ field, and target,
2956 sized_target, and set_target methods.
2957 (Object::sized_target): Remove.
2958 (class Sized_relobj): Update declarations. Remove sized_target.
2959 * object.cc (Sized_relobj::setup): Remove target parameter.
2961 (Input_objects::add_object): Don't do anything with the target.
2962 (make_elf_sized_object): Add punconfigured parameter. Change all
2963 callers. Set or test parameter target.
2964 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
2966 * parameters.cc (Parameters::set_target): Change parameter type to
2968 (Parameters::default_target): Remove.
2969 (set_parameters_target): Change parameter type to be non-const.
2970 (parameters_force_valid_target): New function.
2971 (parameters_clear_target): New function.
2972 * parameters.h (class Parameters): Update declarations. Remove
2973 default_target method. Add sized_target and clear_target
2974 methods. Change target_ to be non-const.
2975 (set_parameters_target): Update declaration.
2976 (parameters_force_valid_target): Declare.
2977 (parameters_clear_target): Declare.
2978 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
2979 as NULL if we aren't searching.
2980 (Add_symbols::run): Don't check for compatible target.
2981 * fileread.cc (Input_file::open_binary): Call
2982 parameters_force_valid_target.
2983 * gold.cc (queue_middle_tasks): Likewise.
2984 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
2985 set_target on object.
2986 * dynobj.h (class Sized_dynobj): Update declarations.
2987 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
2988 make_elf_object returns NULL.
2989 (Archive::include_member): Don't check whether object target is
2991 * output.cc (Output_section::add_input_section): Get target from
2993 (Output_section::relax_input_section): Likewise.
2994 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
2996 (Sized_relobj::do_scan_relocs): Likewise.
2997 (Sized_relobj::relocate_sections): Likewise.
2998 * resolve.cc (Symbol_table::resolve): Likewise.
2999 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
3000 parameter. Change all callers.
3001 (Symbol_table::add_from_object): Get target from parameters.
3002 (Symbol_table::add_from_relobj): Don't check object target.
3003 (Symbol_table::add_from_dynobj): Likewise.
3004 (Symbol_table::define_special_symbol): Get target from
3006 * symtab.h (class Symbol_table): Update declaration.
3007 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
3008 parameter. Change all callers. Clear parameter target.
3009 (Binary_test): Test target here.
3010 * testsuite/object_unittest.cc (gold_testsuite): Remove
3011 target_test_pointer parameter. Change all callers.
3012 (Object_test): Test target here.
3014 2009-09-26 Ian Lance Taylor <iant@google.com>
3016 * testsuite/initpri1.c: Don't try to use constructor priorities if
3017 compiling with gcc before 4.3.
3019 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
3021 * testsuite/retain_symbols_file_test.sh (check_present): Change
3022 output file name to retain_symbols_file_test.stdout.
3023 (check_absent): Likewise.
3025 2009-09-18 Craig Silverstein <csilvers@google.com>
3027 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
3028 * options.cc: Include <cerrno> and <fstream>.
3029 (General_options::finalize): Parse -retain-symbols-file tag.
3030 * options.h: New flag.
3031 (General_options): New method should_retain_symbol, new
3032 variable symbols_to_retain.
3033 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
3034 should_retain_symbol map.
3035 * testsuite/Makefile.am (retain_symbols_file_test): New test.
3036 * testsuite/Makefile.in: Regenerate.
3037 * testsuite/retain_symbols_file_test.sh: New file.
3039 2009-09-18 Nick Clifton <nickc@redhat.com>
3041 * po/es.po: Updated Spanish translation.
3043 2009-09-17 Doug Kwan <dougkwan@google.com>
3045 * debug.h (DEBUG_RELAXATION): New constant.
3046 (DEBUG_ALL): Add DEBUG_RELAXATION.
3047 (debug_string_to_enum): Add relaxation debug option.
3049 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
3050 Layout::Relaxation_debug_check::read_sections,
3051 Layout::Relaxation_debug_check::read_sections): New method definitions.
3052 (Layout::Layout): Initialize data members
3053 record_output_section_data_from_scrips_,
3054 script_output_section_data_list_ and relaxation_debug_check_.
3055 (Layout::save_segments, Layout::restore_segments,
3056 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3057 Layout::relaxation_loop_body): New method definitions.
3058 (Layout::finalize): Support relaxation. Move section layout code to
3059 Layout::relaxation_loop_body.
3060 (Layout::set_asection_address_from_script): Move code for orphan
3061 section placement out.
3062 (Layout::place_orphan_sections_in_script): New method definition.
3063 * layout.h (Output_segment_headers, Output_file_header):
3064 New forward class declarations.
3065 (Layout::~Layout): Define.
3066 (Layout::new_output_section_data_from_script): New method definition.
3067 (Layout::place_orphan_sections_in_script): New method declaration.
3068 (Layout::Segment_states): New type declaration.
3069 (Layout::save_segments, Layout::restore_segments,
3070 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
3071 Layout::relaxation_loop_body): New method declarations.
3072 (Layout::Output_section_data_list): New type declaration.
3073 (Layout::Relaxation_debug_check): New class definition.
3074 (Layout::record_output_section_data_from_script_,
3075 Layout::script_output_section_data_list_, Layout::segment_states_,
3076 Layout::relaxation_debug_check_): New data members.
3077 * output.cc: (Output_section_headers::do_size): New method definition.
3078 (Output_section_headers::Output_section_headers): Move size
3079 computation to Output_section_headers::do_size.
3080 (Output_segment_headers::do_size): New method definition.
3081 (Output_file_header::Output_file_header): Move size computation to
3082 Output_file_header::do_size and call it.
3083 (Output_file_header::do_size): New method definition.
3084 (Output_data_group::Output_data_group): Adjust call to
3085 Output_section_data.
3086 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
3087 (Output_symtab_xindex::do_write): Add array bound check.
3088 (Output_section::Input_section::print_to_mapfile): Handle
3089 RELAXED_INPUT_SECTION_CODE.
3090 (Output_section::Output_section): Initialize data member checkpoint_.
3091 (Output_section::~Output_section): Delete checkpoint object pointed
3093 (Output_section::add_input_section): Always add an Input_section if
3095 (Output_section::add_merge_input_section): Add assert.
3096 (Output_section::relax_input_section): New method definition.
3097 (Output_section::set_final_data_size): Set load address to zero for
3098 an unallocated section.
3099 (Output_section::do_address_and_file_offset_have_reset_values):
3100 New method definition.
3101 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
3102 Handle relaxed input section.
3103 (Output_section::sort_attached_input_sections): Checkpoint input
3104 section list lazily.
3105 (Output_section::get_input_sections): Change type of input_sections to
3106 list of Simple_input_section pointers. Checkpoint input section list
3107 lazily. Also handle relaxed input sections.
3108 (Output_section::add_input_section_for_script): Take a reference to
3109 a Simple_input_section object instead of Relobj pointer and section
3110 index as parameter. Handle relaxed input sections.
3111 (Output_section::save_states, Output_section::restore_states): New
3113 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
3114 (Output_data::is_data_size_fixed): New method definition.
3115 (Output_data::reset_addresss_and_file_offset): Do not reset data size
3117 (Output_data::address_and_file_offset_have_reset_values): New method
3119 (Output_data::do_address_and_file_offset_have_reset_values): New method
3121 (Output_data::set_data_size): Check that data size is not fixed.
3122 (Output_data::fix_data_size): New method definition.
3123 (Output_data::is_data_size_fixed_): New data member.
3124 (Output_section_headers::set_final_data_size): New method definition.
3125 (Output_section_headers::do_size): New method declaration.
3126 (Output_segment_headers::set_final_data_size): New method definition.
3127 (Output_segment_headers::do_size): New method declaration.
3128 (Output_file_header::set_final_data_size)::New method definition.
3129 (Output_file_header::do_size)::New method declaration.
3130 (Output_section_data::Output_section_data): Add new parameter
3131 is_data_size_fixed and use it to fix data size.
3132 (Output_data_const::Output_data_const): Adjust call to base class
3133 constructor and fix data size.
3134 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
3135 base class constructor and fix data size.
3136 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
3137 base class constructor and fix data size.
3138 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
3139 class constructor and fix data size.
3140 (Output_data_group::set_final_data_size): New method definition.
3141 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
3142 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
3143 class constructor and fix data size.
3144 (Output_relaxed_input_section): New class definition.
3145 (Output_section::Simple_input_section): New class definition.
3146 (Output_section::get_input_sections): Adjust parameter list.
3147 (Output_section::add_input_section_for_script): Same.
3148 (Output_section::save_states, Output_section::restore_states,
3149 Output_section::do_address_and_file_offset_have_reset_values,
3150 (Output_section::Input_section::Input_section): Handle
3151 RELAXED_INPUT_SECTION_CODE. Add new overload for
3152 Output_relaxed_input_section.
3153 (Output_section::Input_section::is_input_section,
3154 Output_section::Input_section::set_output_section): Handle relaxed
3156 (Output_section::Input_section::is_relaxed_input_section,
3157 Output_section::Input_section::output_section_data,
3158 Output_section::Input_section::relaxed_input_section): New method
3160 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
3162 (Output_section::Input_section::u1_): Update comments.
3163 (Output_section::Input_section::u2_): Add new union member poris.
3164 (Output_section::Checkpoint_output_section): New classs definition.
3165 (Output_section::relax_input_section): New method declaration.
3166 (Output_section::checkpoint_): New data member.
3167 (Output_segment): Update comments.
3168 (Output_segment::Output_segment): Un-privatize copy constructor.
3169 (Output_segment::operator=): Un-privatize.
3170 * script-sections.cc (Output_section_element::Input_section_list):
3171 Change element type to Output_section::Simple_input_section.
3172 (Output_section_element_dot_assignment::set_section_addresses):
3173 Register output section data for relaxation clean up.
3174 (Output_data_exression::Output_data_expression): Adjust call to base
3175 constructor to fix data size.
3176 (Output_section_element_data::set_section_addresses): Register
3177 Output_data_expression object for relaxation clean up.
3178 (struct Input_section_info): Replace Relobj pointer and section index
3179 pair with Output_section::Simple_input_section and Convert struct to a
3181 (Input_section_sorter::operator()): Adjust access to
3182 Input_section_info data member to use accessors.
3183 (Output_section_element_input::set_section_addresses): Use layout
3184 parameter. Adjust code to use Output_section::Simple_input_section
3185 and Input_secction_info classes. Register filler for relaxation
3187 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
3188 and section index pair with Output_section::Simple_input_section
3189 class. Adjust code accordingly.
3190 (Phdrs_element::release_segment): New method definition.
3191 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
3193 (Script_sections::release_segments): New method definition.
3194 * gold/script-sections.h (Script_sections::release_segments): New
3196 * gold/target.h (Target::may_relax, Target::relax,
3197 Target::do_may_relax, Target::do_relax): New method definitions.
3199 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3201 * arm.cc (has_signed_unsigned_overflow): New function.
3202 (Arm_relocate_functions::abs8): New function.
3203 (Target_arm::Scan::local): Handle R_ARM_ABS8.
3204 (Target_arm::Scan::global): Likewise.
3205 (Target_arm::relocate::relocate): Likewise.
3206 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3209 2009-09-16 Cary Coutant <ccoutant@google.com>
3211 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
3212 * testsuite/Makefile.in: Regenerate.
3214 2009-09-11 Nick Clifton <nickc@redhat.com>
3216 * po/gold.pot: Updated by the Translation project.
3218 2009-09-08 Cary Coutant <ccoutant@google.com>
3220 * output.cc (Output_file::open): Add execute permission to empty file.
3221 * testsuite/Makefile.am (permission_test): New test.
3222 * testsuite/Makefile.in: Regenerate.
3224 2009-09-02 Ian Lance Taylor <iant@google.com>
3226 * output.cc (Output_file::resize): Call map_no_anonymous rather
3229 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
3231 * gold.cc: Include "incremental.h".
3232 (queue_initial_tasks): Call Incremental_checker methods.
3233 * incremental.cc: Include "output.h".
3234 (Incremental_checker::can_incrementally_link_output_file): New
3236 * incremental.h (Incremental_checker): New class.
3238 * output.cc (Output_file::open_for_modification): New method.
3239 (Output_file::map_anonymous): Changed return type to bool. Record
3241 (Output_file::map_no_anonymous): New method, broken out of map.
3242 (Output_file::map): Use map_no_anonymous and map_anonymous.
3243 * output.h (class Output_file): Update declarations.
3245 2009-08-24 Cary Coutant <ccoutant@google.com>
3247 * options.h (Command_line::Pre_options): New class.
3248 (Command_line::pre_options): New member.
3249 * options.cc (gold::options::ready_to_register): New variable.
3250 (One_option::register_option): Do nothing if not registering options.
3251 Assert if same short option registered twice.
3252 (General_options::General_options): Turn off option registration when
3254 (Command_line::Pre_options::Pre_options): New constructor.
3256 2009-08-24 Cary Coutant <ccoutant@google.com>
3258 * options.h (General_options::no_keep_memory): Remove incorrect
3261 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3263 * Makefile.am (am__skiplex, am__skipyacc): New.
3264 * Makefile.in: Regenerate.
3266 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3268 * Makefile.am (AM_CPPFLAGS): Renamed from ...
3269 (INCLUDES): ... this.
3270 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
3271 (AM_CPPFLAGS): Renamed from ...
3272 (INCLUDE): ... this.
3273 * Makefile.in, testsuite/Makefile.in: Regenerate.
3275 * Makefile.in: Regenerate.
3276 * aclocal.m4: Likewise.
3277 * config.in: Likewise.
3278 * configure: Likewise.
3279 * testsuite/Makefile.in: Likewise.
3281 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3282 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
3283 * Makefile.in: Regenerate.
3284 * testsuite/Makefile.in: Regenerate.
3286 2009-08-19 Cary Coutant <ccoutant@google.com>
3288 * resolve.cc (Symbol_table::resolve): Don't complain about defined
3289 symbols in shared libraries overridden by hidden or internal symbols
3290 in the main program.
3292 2009-08-19 Chris Demetriou <cgd@google.com>
3294 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
3295 checking source file names in error messages.
3297 2009-08-18 Doug Kwan <dougkwan@google.com>
3299 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
3300 an elcpp::Ehdr as parameter. Adjust call to set_target.
3301 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
3302 an elfcpp::Ehdr as parameter.
3303 * object.cc (Object::set_target): Remove the version that looks up
3304 a target and sets it.
3305 (Sized_relobj::setup): Take a Target object instead of
3306 an elfcpp::Ehdr as parameter. Adjust call to set_target.
3307 (make_elf_sized_object): Find target and ask target to
3309 * object.h: (Object::set_target): Remove the version that looks up
3310 a target and sets it.
3311 (Sized_relobj::setup): Take a Target object instead of
3312 an elfcpp:Ehdr as parameter.
3313 * target.cc: Include dynobj.h.
3314 (Target::do_make_elf_object_implementation): New.
3315 (Target::do_make_elf_object): New.
3316 * target.h (Target::make_elf_object): New template declaration.
3317 (Target::do_make_elf_object): New method declarations.
3318 (Target::do_make_elf_object_implementation): New template declaration.
3320 2009-08-14 Ian Lance Taylor <iant@google.com>
3322 * gold.h (FUNCTION_NAME): Define.
3323 (gold_unreachable): Use FUNCTION_NAME.
3325 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3327 * icf.cc (Icf::find_identical_sections): Issue a warning when a
3328 symbol in the --keep-unique list is not found.
3330 2009-08-12 Sriraman Tallam <tmsriram@google.com>
3332 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
3333 been maked as --keep-unique.
3334 (Icf::unfold_section): New function.
3335 * icf.h (Icf::unfold_section): New function.
3336 * options.h (General_options::keep_unique): New option.
3337 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
3338 * testsuite/Makefile.in: Regenerate.
3339 * testsuite/icf_keep_unique_test.sh: New file.
3340 * testsuite/icf_keep_unique_test.cc: New file.
3342 2009-08-12 Cary Coutant <ccoutant@google.com>
3345 * resolve.cc (Symbol_table::resolve): Check for references from
3346 dynamic objects to hidden and internal symbols.
3347 * testsuite/Makefile.am (hidden_test.sh): New test.
3348 * testsuite/Makefile.in: Regenerate.
3349 * testsuite/hidden_test.sh: New script.
3350 * testsuite/hidden_test_1.c: New test source.
3351 * testsuite/hidden_test_main.c: New test source.
3353 2009-08-11 Doug Kwan <dougkwan@google.com>
3355 * arm.cc: Update comments.
3356 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
3357 segment to locate the .ARM.exidx section if present.
3359 2009-08-09 Doug Kwan <dougkwan@google.com>
3361 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
3364 2009-08-07 Sriraman Tallam <tmsriram@google.com>
3365 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
3368 2009-08-06 Sriraman Tallam <tmsriram@google.com>
3370 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
3371 valid tls_segment only for non-debug-section relocations.
3372 * testsuite/Makefile.am: Add gc_tls_test.
3373 * testsuite/Makefile.in: Regenerate.
3374 * testsuite/gc_tls_test.cc: New file.
3375 * testsuite/gc_tls_test.sh: New file.
3377 2009-08-05 Sriraman Tallam <tmsriram@google.com>
3381 * Makefile.am (CCFILES): Add icf.cc.
3383 * Makefile.in: Regenerate.
3384 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
3385 * gc.h (gc_process_relocs): Populate lists used by icf to contain
3386 section, symbol and addend information for the relocs.
3387 * gold.cc (queue_middle_tasks): Call identical code folding.
3388 * gold.h: Add defines for multimap.
3389 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
3390 to the call of finalize_local_symbols.
3391 * main.cc (main): Create object of class Icf.
3392 * object.cc (Sized_relobj::do_layout): Allow this function to be
3393 called twice during icf.
3394 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
3395 to sections marked as identical by icf.
3396 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
3398 (Sized_relobj::do_section_entsize): New function.
3399 * object.h (Object::section_entsize): New function.
3400 (Object::do_section_entsize): New pure virtual function.
3401 (Relobj::finalize_local_symbols): Add new parameter.
3402 (Relobj::do_section_entsize): New function.
3403 * options.h (General_options::icf): New option.
3404 (General_options::icf_iterations): New option.
3405 (General_options::print_icf_sections): New option.
3406 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
3407 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
3408 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
3410 * symtab.cc (Symbol_table::is_section_folded): New function.
3411 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
3412 to sections marked as identical by icf.
3413 * symtab.h (Symbol_table::set_icf): New function.
3414 (Symbol_table::icf): New function.
3415 (Symbol_table::is_section_folded): New function.
3416 (Symbol_table::icf_): New data member.
3417 * target-reloc.h (relocate_section): Ignore sections folded by icf.
3418 * testsuite/Makefile.am: Add commands to build icf_test.
3419 * testsuite/Makefile.in: Regenerate.
3420 * testsuite/icf_test.sh: New file.
3421 * testsuite/icf_test.cc: New file.
3423 2009-07-24 Chris Demetriou <cgd@google.com>
3425 * layout.cc (is_compressible_debug_section): Fix incorrect
3426 comment about compressed section names.
3428 2009-07-20 Ian Lance Taylor <ian@airs.com>
3431 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
3433 2009-07-16 Ian Lance Taylor <iant@google.com>
3436 * layout.h: #include <map>.
3437 (class Kept_section): Change from struct to class. Add accessors
3438 and setters. Add section size to Comdat_group mapping. Change
3439 Comdat_group to std::map. Add is_comdat_ field. Add
3440 linkonce_size field in union.
3441 (class Layout): Update declaration of find_or_add_kept_section.
3442 Don't declare find_kept_object.
3443 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
3444 parameter. Add object, shndx, is_comdat, and is_group_name
3445 parameters. Change all callers. Adjust for new Kept_section.
3446 (Layout::find_kept_object): Remove.
3447 * object.cc (Sized_relobj::include_section_group): Update use of
3448 Kept_section. Rename secnum to shndx. Only record
3449 Kept_comdat_section if sections are the same size.
3450 (Sized_relobj::include_linkonce_section): Update use of
3451 Kept_section. Only record Kept_comdat_section if sections are the
3452 same size. Set size of linkonce section.
3453 (Sized_relobj::map_to_kept_section): Update call to
3454 get_kept_comdat_section.
3455 * object.h (class Sized_relobj): Rename fields in
3456 Kept_comdat_section to drop trailing underscores; change object
3457 field to Relobj*. Change Kept_comdat_section_table to store
3458 struct rather than pointer.
3459 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
3460 Add kept_object and kept_shndx parameters. Change all callers.
3461 (Sized_relobj::get_kept_comdat_section): Change return type to
3462 bool. Add kept_object and kept_shndx parameters. Change all
3464 * plugin.cc (Pluginobj::include_comdat_group): Update call to
3465 Layout::find_or_add_kept_section.
3467 2009-07-09 Ian Lance Taylor <iant@google.com>
3469 * merge.cc (Object_merge_map::initialize_input_to_output_map):
3470 Reserve space in the hash table.
3472 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
3474 * fileread.cc (File_read::get_mtime): New method.
3475 * fileread.h (Timespec): New structure.
3476 (File_read::get_mtime): New method.
3477 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
3478 Renamed from timestamp_nsec.
3479 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
3481 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
3483 (Incremental_inputs::report_archive): Save mtime; style fix.
3484 (Incremental_inputs::report_obejct): Save mtime; style fix.
3485 (Incremental_inputs::report_script): Save mtime; style fix.
3486 (Incremental_inputs::finalize_inputs): Style fix.
3487 (Incremental_inputs::finalize): Style fix.
3488 (Incremental_inputs::create_input_section_data): Store inputs
3490 * incremental.h (Incremental_inputs::report_script): Add mtime
3492 (Incremental_inputs::Input_info::Input_info): Intialize only one
3494 (Incremental_inputs::Input_info::archive): Move to nameless
3496 (Incremental_inputs::Input_info::obejct): Move to nameless union.
3497 (Incremental_inputs::Input_info::script): Move to nameless union.
3498 (Incremental_inputs::mtime): New field.
3499 * script.cc (read_input_script): Pass file mtime to
3501 * script.h (Script_info::inputs): Style fix.
3503 2009-07-01 Ian Lance Taylor <ian@airs.com>
3505 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
3508 2009-06-24 Ian Lance Taylor <iant@google.com>
3511 * layout.cc (Layout::choose_output_section): If we find an
3512 existing section, update the flags.
3513 (Layout::create_notes): New function, broken out of
3515 (Layout::finalize): Don't create note sections.
3516 (Layout::create_note): Don't crash if linker script discards
3518 (Layout::create_gold_note): Likewise.
3519 (Layout::create_build_id): Likewise. Don't set
3520 after_input_sections on the section.
3521 (Layout::create_executable_stack_info): Remove target parameter.
3523 * layout.h (class Layout): Declare create_notes. Update
3524 declaration of create_executable_stack_info.
3525 * gold.cc (queue_middle_tasks): Call create_notes.
3526 * output.cc (Output_section::update_flags_for_input_section): Move
3527 here from output.h. If SHF_ALLOC flag is newly set, mark address
3529 * output.h (Output_data::mark_address_invalid): New function.
3530 (class Output_section): Only declare, not define,
3531 update_flags_for_input_section. Remove set_flags.
3533 2009-06-24 Ian Lance Taylor <iant@google.com>
3535 * script-sections.cc (Output_section_definition::
3536 set_section_addresses): Rename shadowing local load_address to
3539 2009-06-24 Ian Lance Taylor <iant@google.com>
3542 * reloc.cc (relocate_sections): Skip empty relocation sections.
3544 2009-06-23 Ian Lance Taylor <iant@google.com>
3547 * layout.cc (Layout::create_note): Use choose_output_section
3548 rather than make_output_section.
3550 2009-06-23 Ian Lance Taylor <iant@google.com>
3553 * options.cc (General_options::parse_V): Set printed_version_.
3554 (General_options::General_options): Initialize printed_version_.
3555 * options.h (class General_options): Add printed_version_ field.
3556 * gold.cc (queue_initial_tasks): If there are no input files,
3557 don't give a fatal error if we printed the version information.
3558 (queue_middle_tasks): If using -r with a shared object, give a
3559 fatal error rather than an ordinary error.
3561 2009-06-23 Ian Lance Taylor <iant@google.com>
3564 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
3565 (Layout::make_output_section): Set have_stabstr_section_ if we see
3566 a .stab*str section.
3567 (Layout::finalize): Call link_stabs_sections.
3568 (Layout::link_stabs_sections): New file.
3569 * layout.h (class Layout): Add have_stabstr_section_ field.
3570 Declare link_stabs_sections.
3572 2009-06-23 Doug Kwan <dougkwan@google.com>
3574 * Makefile.am (libgold_a_LIBADD): New.
3575 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
3576 * Makefile.in: Regenerate.
3577 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
3578 * configure: Regenerate.
3579 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
3580 * fileread.cc: Include sys/state.h
3581 * gold.h: Declare memmem and strndup if found missing.
3582 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
3584 2009-06-23 Ian Lance Taylor <iant@google.com>
3586 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
3587 * configure: Rebuild.
3589 2009-06-23 Ian Lance Taylor <iant@google.com>
3592 * object.cc (Object::section_contents): Don't try to get a view if
3593 the section has length zero.
3594 (Object::handle_gnu_warning_section): If the section is empty, use
3595 the name of the section as the warning.
3597 2009-06-23 Ian Lance Taylor <iant@google.com>
3600 * stringpool.h (class Stringpool_template): Add optimize_ field.
3601 (Stringpool_template::set_optimize): New function.
3602 * stringpool.cc (Stringpool_template::Stringpool_template):
3603 Initialize optimize_ field.
3604 (Stringpool_template::set_string_offsets): Test local optimize
3605 fild rather than parameter.
3606 * layout.cc (Layout::Layout): Call set_optimize on the section
3609 2009-06-22 Ian Lance Taylor <iant@google.com>
3612 * yyscript.y: Parse TARGET.
3613 * script.cc (script_set_target): New function.
3614 * script-c.h (script_set_target): Declare.
3615 * options.cc (General_options::string_to_object_format): Rename
3616 from string_to_object_format in anonymous namespace. Change
3618 * options.h (class General_options): Declare
3619 string_to_object_format.
3621 2009-06-22 Ian Lance Taylor <iant@google.com>
3623 * script-sections.cc (Script_sections::create_segments): Don't put
3624 program headers in a PT_LOAD segment if -n or -N.
3626 2009-06-22 Ian Lance Taylor <iant@google.com>
3629 * options.h (class General_options): Add -z lazy and -z now. Sort
3630 -z options into alphabetical order.
3631 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
3633 2009-06-21 Ian Lance Taylor <iant@google.com>
3635 * layout.cc (Layout::make_output_section): Call
3636 Target::new_output_section.
3637 (Layout::attach_allocated_section_to_segment): Put large section
3638 sections in a separate load segment with the large segment flag
3640 (Layout::segment_precedes): Sort large data segments after other
3642 (align_file_offset): New static function.
3643 (Layout::set_segment_offsets): Use align_file_offset.
3644 * output.h (class Output_section): Add is_small_section_ and
3645 is_large_section_ fields.
3646 (Output_section::is_small_section): New function.
3647 (Output_section::set_is_small_section): New function.
3648 (Output_section::is_large_section): New function.
3649 (Output_section::set_is_large_section): New function.
3650 (Output_section::is_large_data_section): New function.
3651 (class Output_segment): Add is_large_data_segment_ field.
3652 (Output_segment::is_large_data_segment): New function.
3653 (Output_segment::set_is_large_data_segment): New function.
3654 * output.cc (Output_section::Output_section): Initialize new
3656 (Output_segment::Output_segment): Likewise.
3657 (Output_segment::add_output_section): Add assertion that large
3658 data sections always go in large data segments. Force small data
3659 sections to the end of the list of data sections. Force small BSS
3660 sections to the start of the list of BSS sections. For large BSS
3661 sections to the end of the list of BSS sections.
3662 * symtab.h (class Symbol): Declare is_common_shndx.
3663 (Symbol::is_defined): Check Symbol::is_common_shndx.
3664 (Symbol::is_common): Likewise.
3665 (class Symbol_table): Define enum Commons_section_type. Update
3666 declarations. Add small_commons_ and large_commons_ fields.
3667 * symtab.cc (Symbol::is_common_shndx): New function.
3668 (Symbol_table::Symbol_table): Initialize new fields.
3669 (Symbol_table::add_from_object): Put small and large common
3670 symbols in the right list.
3671 (Symbol_table::sized_finalized_symbol): Check
3672 Symbol::is_common_shndx.
3673 (Symbol_table::sized_write_globals): Likewise.
3674 * common.cc (Symbol_table::do_allocate_commons): Allocate new
3675 common symbol lists. Don't call do_allocate_commons_list if the
3677 (Symbol_table::do_allocate_commons_list): Remove is_tls
3678 parameter. Add comons_section_type parameter. Change all
3679 callers. Handle small and large common symbols.
3680 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
3681 Symbol::is_common_shndx.
3682 * resolve.cc (symbol_to_bits): Likewise.
3683 * target.h (Target::small_common_shndx): New function.
3684 (Target::small_common_section_flags): New function.
3685 (Target::large_common_shndx): New function.
3686 (Target::large_common_section_flags): New function.
3687 (Target::new_output_section): New function.
3688 (Target::Target_info): Add small_common_shndx, large_common_shndx,
3689 small_common_section_flags, and large_common_section_flags
3691 (Target::do_new_output_section): New virtual function.
3692 * arm.cc (Target_arm::arm_info): Initialize new fields.
3693 * i386.cc (Target_i386::i386_info): Likewise.
3694 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
3696 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
3697 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
3698 (Target_x86_64::do_new_output_section): New function.
3699 * configure.ac: Define conditional MCMODEL_MEDIUM.
3700 * testsuite/Makefile.am (check_PROGRAMS): Add large.
3701 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
3702 (large_LDFLAGS): Define.
3703 * testsuite/large.c: New file.
3704 * testsuite/testfile.cc (Target_test::test_target_info):
3705 Initialize new fields.
3706 * configure, testsuite/Makefile.in: Rebuild.
3708 2009-06-05 Doug Kwan <dougkwan@google.com>
3710 * Makefile.am (CCFILES): Add target.cc.
3711 * Makefile.in: Regenerate.
3712 * i386.cc (class Target_i386): Define new virtual method to
3713 override do_is_local_label_name in parent.
3714 * object.cc (Sized_relobj::do_count_local_symbols): Discard
3715 local symbols if --discard-locals or -X is given.
3716 * options.h (class General_options): Declare new options
3717 '--discard-locals' and '-X' for discarding locals.
3718 * target.h (class Target): Define new methods is_local_label_name.
3719 Declare new virtual method do_is_local_label_name.
3720 * target.cc: New file.
3721 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
3722 (check_SCRIPTS): Add discard_locals_test.sh.
3723 (check_DATA): Add discard_local_tests.syms.
3724 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
3725 (discard_local_tests.syms, discard_locals_test.o): New make rules.
3726 * testsuite/Makefile.in: Regenerate.
3727 * testsuite/discard_locals_test.c: New file.
3728 * testsuite/discard_locals_test.sh: Same.
3730 2009-06-05 Doug Kwan <dougkwan@google.com>
3732 * object.cc (Sized_relobj::Sized_relobj): Initialize
3733 discarded_eh_frame_shndx_ to -1U.
3734 (Sized_relobj::do_layout): Record index of a discard .eh_frame
3736 (Sized_relobj::do_count_local_symbols): Skip local symbols in
3737 a discarded .eh_frame section.
3738 (Sized_relobj::do_finalize_local_symbols): Ditto.
3739 * object.h (class Sized_relobj): Declare new member
3740 discarded_eh_frame_shndx_.
3741 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
3742 (local_labels_test.o, local_labels_test): New rules.
3743 * testsuite/Makefile.in: Regenerate.
3745 2009-06-04 Doug Kwan <dougkwan@google.com>
3747 * layout.cc (Layout::section_name_mapping): Add mapping for
3748 special ARM sections.
3750 2009-06-03 Doug Kwan <dougkwan@google.com>
3752 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
3753 (utils::has_overflow): Same.
3755 2009-06-03 Ian Lance Taylor <iant@google.com>
3757 * layout.cc (Layout::section_name_mapping): New array, replacing
3758 Layout::linkonce_mapping.
3759 (Layout::section_name_mapping_count): New variable, replacing
3760 Layout::linkonce_mapping_count.
3761 (Layout::linkonce_output_name): Remove.
3762 (Layout::output_section_name): Rewrite.
3763 * layout.h (class Layout): Rename Linkonce_mapping to
3764 Section_name_mapping, linkonce_mapping to section_name_mapping,
3765 linkonce_mapping_count to section_name_mapping_count. Don't
3766 declare linkonce_output_name.
3768 2009-06-03 Doug Kwan <dougkwan@google.com>
3770 * gold/arm.cc (namespace utils): New.
3771 (Target_arm::reloc_is_non_pic): Define new method.
3772 (class Arm_relocate_functions): New.
3773 (Target_arm::Relocate::relocate): Handle relocation types used by
3776 2009-06-03 Ian Lance Taylor <iant@google.com>
3778 * arm.cc (Target_arm::scan::global): Use || instead of |.
3780 2009-06-02 Doug Kwan <dougkwan@google.com>
3782 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
3783 issued_non_pic_error_.
3784 (class Target_arm::Scan): Declare new method check_non_pic.
3785 Define new method symbol_needs_plt_entry.
3786 Declare new data member issued_non_pic_error_.
3787 (class Target_arm::Relocate): Declare new method
3788 should_apply_static_reloc.
3789 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
3790 (Target_arm::Scan::check_non_pic): Define new method.
3791 (Target_arm::Scan::local): Handle a small subset of reloc types used
3793 (Target_arm::Scan::local): Same.
3794 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
3796 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
3798 * incremental.cc (Incremental_inputs::report_command_line): Filter
3799 out --incremental-* options.
3801 2009-05-29 Doug Kwan <dougkwan@google.com>
3803 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
3805 (class Target_arm): Update comment.
3806 (Target_arm::Target_arm): Initialize new data members GOT_,
3807 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
3808 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
3809 and Target_arm::rel_dyn_section.
3810 Declare new_enum Target_arm::Got_type.
3811 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
3813 Update commments for member do_dynsym_value.
3814 (Target_arm::got_size, Target_arm::plt_section,
3815 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
3816 new methods inside class defintion.
3817 (Target_arm::got_section): Define new method.
3818 (Target_arm::rel_dyn_section): Same.
3819 (Output_data_plt_arm): New template class.
3820 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
3821 (Output_data_plt_arm:do_adjust_output_section): Define new method.
3822 (Output_data_plt_arm::add_entry): Same.
3823 (Output_data_plt_arm::first_plt_entry): Define new
3824 static data member for PLT instruction template.
3825 (Output_data_plt_arm::plt_entry): Same.
3826 (Output_data_plt_arm::do_write): Define new method.
3827 (Target_arm::make_plt_entry): Same.
3828 (Target_arm::do_finalize_sections): Same.
3829 (Target_arm::do_dynsym_value): Same.
3831 2009-05-28 Doug Kwan <dougkwan@google.com>
3833 * Makefile.am (TARGETSOURCES): Add arm.cc.
3834 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
3835 * Makefile.in: Regenerate.
3837 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
3839 2009-05-26 Doug Kwan <dougkwan@google.com>
3841 * options.cc (General_options::parse_exclude_libs). Fix a comment.
3842 (General_options::check_excluded_libs): Strip off directories in
3843 archive name before matching like GNU ld does.
3844 * testsuite/Makefile.am (MOSTLYCLEANFILES,
3845 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
3846 (exclude_libs_test_LDFLAGS): Add linker option
3847 -Wl,--exclude-libs,libexclude_libs_test_3
3848 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
3849 an explicit archive without using -l.
3850 (alt/libexclude_libs_test_3.a): New make rule.
3851 * testsuite/Makefile.in: Regenerate.
3852 * testsuite/exclude_libs_test.c : Declare lib3_default().
3854 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
3855 * exclude_libs_test_3.c: New file.
3857 2009-05-26 Nick Clifton <nickc@redhat.com>
3859 * po/id.po: New Indonesian translation.
3860 * po/gold.pot: Updated template file.
3862 2009-05-22 Sriraman Tallam <tmsriram@google.com>
3864 * testsuite/Makefile.am: Add -ffunction-sections to compile
3865 gc_comdat_test files. Add -Wl,--gc-sections to build
3867 * testsuite/Makefile.in: Regenerate.
3868 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
3870 2009-05-21 Sriraman Tallam <tmsriram@google.com>
3872 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
3873 kept comdat section was garbage collected.
3874 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
3875 * testsuite/Makefile.in: Regenerate.
3876 * testsuite/gc_comdat_test.sh: New file.
3877 * testsuite/gc_comdat_test_1.cc: New file.
3878 * testsuite/gc_comdat_test_2.cc: New file.
3880 2009-05-19 Doug Kwan <dougkwan@google.com>
3882 * archive.cc (Archive::Archive): Move constructor from archive.h
3883 to here. Initialize no_export_.
3884 (Archive::get_elf_object_for_member): Set no_export flag of object.
3885 * archive.h (Archive::Archive): Move constructor body to
3887 (Archive::no_export): New method.
3888 (Archive::no_export_): New field.
3889 * object.h (Object::Object): Initialize no_export_ to false.
3890 (Object::no_export, Object::set_no_export): New methods.
3891 (Object::no_export_): New field.
3892 * options.cc (General_options::parse_exclude_libs): New method.
3893 (General_options::check_excluded_libs) Same.
3894 * options.h (exclude_libs): New option.
3895 (General_options::check_excluded_libs): New method declaration.
3896 (General_options::excluded_libs_): New field.
3897 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
3898 default or protected visibility if an object has no-export flag set.
3899 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
3900 (check_SCRIPTS): Add exclude_libs_test.sh.
3901 (check_DATA): Add exclude_libs_test.syms.
3902 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
3903 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
3904 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
3905 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
3906 (exclude_libs_test.syms, libexclude_libs_test_1.a,
3907 libexclude_libs_test_2.a): New rules.
3908 * testsuite/Makefile.in: Regenerate.
3909 * testsuite/exclude_libs_test.c: New file.
3910 * testsuite/exclude_libs_test.sh: Ditto.
3911 * testsuite/exclude_libs_test_1.c: Ditto.
3912 * testsuite/exclude_libs_test_2.c: Ditto.
3914 2009-05-15 Ian Lance Taylor <iant@google.com>
3916 * configure.ac: Check for declarations for cases where libiberty.h
3917 checks HAVE_DECL_xxx.
3918 * configure, config.in: Rebuild.
3920 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
3922 * gold.h (Incremental_argument_list): Remove (invalid) forward
3924 * incremental.cc (Incremental_inputs::report_achive): New method.
3925 (Incremental_inputs::report_object): New method.
3926 (Incremental_inputs::report_script): New method.
3927 (Incremental_inputs::finalize_inputs): New method.
3928 (Incremental_inputs::finalize): Call finalize_inputs().
3929 (Incremental_inputs::sized_create_incremental_inputs_section_data):
3930 Create inputs entries.
3931 * incremental.h (Incremental_input_type): New enum.
3932 (Incremental_inputs::Incremental_input): Initialize new fields.
3933 (Incremental_inputs::report_inputs): New method.
3934 (Incremental_inputs::report_achive): New method.
3935 (Incremental_inputs::report_object): New method.
3936 (Incremental_inputs::report_script): New method.
3937 (Incremental_inputs::finalize_inputs): New method.
3938 (Incremental_inputs::Input_info): New struct.
3939 (Incremental_inputs::Input_info_map): New typedef.
3940 (Incremental_inputs::lock_): New field.
3941 (Incremental_inputs::Inputs_): New field.
3942 (Incremental_inputs::Inputs_map): New field.
3943 * main.cc (main): Call Incremental_input::report_inputs.
3944 * options.h (Input_argument_list): Typedef moved from
3946 (Input_file_group::Files): Remove, use ::Input_argument_list.
3947 (Input_file_group::Input_argument_list): Remove, use
3948 ::Input_argument_list.
3949 * plugin.cc (Plugin_manager::add_input_file): Add error in
3951 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
3953 * script.cc (read_input_script): Call
3954 Incremental_input::report_script.
3955 * script.h (Script_info): New class.
3957 2009-04-27 Ian Lance Taylor <iant@google.com>
3959 * x86_64.cc (do_adjust_output_section): Set entsize to
3962 2009-04-23 Elliott Hughes <enh@google.com>
3964 * output.cc (Output_file::close): After short writes, continue
3965 writing from the correct offset in the buffer being written.
3967 2009-04-23 Chris Demetriou <cgd@google.com>
3969 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
3970 * configure: Regenerate.
3971 * config.in: Regenerate.
3972 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
3973 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
3975 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
3977 * incremental.cc (Incremental_inputs_header_data): Renamed from
3978 Incremental_input_header_data.
3979 (Incremental_inputs_header_data::data_size): New field.
3980 (Incremental_inputs_header_data::put_input_file_count): Renamed
3981 from input_file_count.
3982 (Incremental_inputs_header_data::put_command_line_offset): Renamed
3983 from command_line_offset.
3984 (Incremental_inputs_header_data::put_reserved): Renamed from
3986 (Incremental_inputs_entry_data): Renamed from
3987 Incremental_input_entry_data.
3988 (Incremental_inputs_entry_data::data_size): New field.
3989 (Incremental_inputs::report_command_line): New method.
3990 (Incremental_inputs::finalize): New method.
3991 (Incremental_inputs::create_incremental_inputs_data): New method.
3992 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
3993 * incremental.h: New file.
3994 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
3995 (Layout::finalize): Create incremental inputs section in
3997 (Layout::create_incremental_info_sections): New method.
3998 * layout.h (Layout::incremental_inputs): New method.
3999 (Layout::create_incremental_info_sections): New method.
4000 (Layout::incremental_inputs_): New field.
4001 * main.cc (main): Notify Incremental_input of the command line.
4003 2009-04-01 Ian Lance Taylor <iant@google.com>
4004 Mikolaj Zalewski <mikolajz@google.com>
4006 * gold.h (reserve_unordered_map): Define, three versions, one for
4007 each version of Unordered_map.
4008 * layout.cc (Layout::Layout): Remove options parameter. Add
4009 number_of_input_files parameter. Don't initialize options_.
4010 Initialize number_of_input_files_ and resized_signatures_. Move
4011 sections_are_attached_.
4012 (Layout::layout_group): Reserve space for group_signatures_.
4013 (Layout::find_or_add_kept_section): Change name parameter to be a
4014 reference. Resize signatures_ map when it gets large enough.
4015 (Layout::layout_eh_frame): Use parameters->options() instead of
4017 (Layout::make_output_section): Likewise.
4018 (Layout::attach_allocated_section_to_segment): Likewise.
4019 (Layout::finalize, Layout::create_executable_stack): Likewise.
4020 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
4021 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
4022 * layout.h (class Layout): Update declarations. Remove options_
4023 field. Add number_of_input_files_ and resized_signatures_
4024 fields. Move sections_are_attached_ field.
4025 * main.cc (main): Pass number of input files to Layout
4026 constructor. Don't pass options.
4028 2009-03-30 Ian Lance Taylor <iant@google.com>
4030 * ffsll.c (ffsll): Correct implementation.
4032 2009-03-27 Ian Lance Taylor <iant@google.com>
4034 * ffsll.c: New file.
4035 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
4036 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
4037 * ftruncate.c (ftruncate): Declare before definition.
4038 * mremap.c (mremap): Likewise.
4039 * pread.c (pread): Likewise.
4040 * configure, Makefile.in, config.in: Rebuild.
4042 * mremap.c: New file.
4043 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
4044 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
4045 (mremap): Declare if HAVE_MREMAP is not defined.
4046 * configure, Makefile.in, config.in: Rebuild.
4048 2009-03-27 Cary Coutant <ccoutant@google.com>
4050 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
4051 position independent.
4052 * sparc.cc (Target_sparc::check_non_pic): Likewise.
4053 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
4055 2009-03-24 Cary Coutant <ccoutant@google.com>
4057 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
4059 (needs_dynamic_reloc): Likewise.
4061 2009-03-24 Ian Lance Taylor <iant@google.com>
4063 * yyscript.y (file_cmd): Recognize EXTERN.
4064 (extern_name_list, extern_name_list_body): New nonterminals.
4065 * script.cc (script_add_extern): Define.
4066 * script-c.h (script_add_extern): Declare.
4068 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
4070 * object.cc (is_elf_object): Define.
4071 * object.h (is_elf_object): Declare.
4072 * archive.cc (Archive::get_elf_object_for_member): Call
4074 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
4076 2009-03-24 Elliott Hughes <enh@google.com>
4078 * output.cc (Output_file::map_anonymous): Define.
4079 (Output_file::map): Use map_anonymous. If the regular mmap fails,
4080 try an anonymous one. Report the size if the mmap fails.
4081 * output.h (class Output_file): Declare map_anonymous.
4083 2009-03-24 Ian Lance Taylor <iant@google.com>
4085 * target-select.cc (instantiate_target): Don't acquire the lock if
4086 the instantiated_target_ field has already been set.
4088 2009-03-23 Ian Lance Taylor <iant@google.com>
4090 * gold-threads.h (class Initialize_lock): Define.
4091 * gold-threads.cc (class Initialize_lock_once): Define.
4092 (initialize_lock_control): New static variable.
4093 (initialize_lock_pointer): New static variable.
4094 (initialize_lock_once): New static function.
4095 (Initialize_lock::Initialize_lock): Define.
4096 (Initialize_lock::initialize): Define.
4097 * target-select.h: Include "gold-threads.h".
4098 (class Target_selector): Add lock_ and initialize_lock_ fields.
4099 Don't define instantiate_target, just declare it.
4100 * target-select.cc (Target_selector::Target_selector): Initialize
4102 (Target_selector::instantiate_target): Define.
4103 * descriptors.h: Include "gold-threads.h".
4104 (class Descriptors): Add initialize_lock_ field.
4105 * descriptors.cc (Descriptors::Descriptors): Initialize new
4107 (Descriptors::open): Use initialize_lock_ field
4108 * errors.h (class Errors): Add initialize_lock_ field.
4109 * errors.cc (Errors::Errors): Initialize new field.
4110 (Errors::initialize_lock): Use initialize_lock_ field.
4111 * powerpc.cc (class Target_selector_powerpc): Remove
4112 instantiated_target_ field. In do_recognize call
4113 instantiate_target rather than do_instantiate_target. In
4114 do_instantiate_target just allocate a new target.
4115 * sparc.cc (class Target_selector_sparc): Likewise.
4117 * freebsd.h: New file.
4118 * i386.cc: Include "freebsd.h".
4119 (Target_i386): Derive from Target_freebsd rather than
4121 (Target_selector_i386): Derive from Target_selector_freebsd rather
4122 than Target_selector.
4123 * x86_64.cc: Include "freebsd.h".
4124 (Target_x86_64): Derive from Target_freebsd rather than
4126 (Target_selector_x86_64): Derive from Target_selector_freebsd
4127 rather than Target_selector.
4128 * target.h (class Target): Add adjust_elf_header and
4129 do_adjust_elf_header.
4130 * output.cc (Output_file_header:: do_sized_write): Call target
4131 adjust_elf_header routine.
4132 * configure.tgt: Set targ_osabi.
4133 * configure.ac: Define GOLD_DEFAULT_OSABI.
4134 * parameters.cc (Parameters::default_target): Pass
4135 GOLD_DEFAULT_OSABI to select_target.
4136 * target-select.h (class Target_selector): Make instantiate_target
4137 protected rather than private.
4138 * Makefile.am (HFILES): Add freebsd.h.
4139 * configure, Makefile.in, config.in: Rebuild.
4141 * merge.cc (do_add_input_section): Correct pend value. Change
4142 message about last entry not being null terminated from error to
4145 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
4147 * incremental.cc: New file.
4148 * Makefile.am (CCFILES): Add incremental.cc.
4149 * Makefile.in: Rebuild.
4151 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
4153 * layout.cc (Layout::output_section_name): Preserve names
4154 of '.note.' sections.
4156 2009-03-19 Ian Lance Taylor <iant@google.com>
4158 * descriptors.cc (Descriptors::open): Check that the options are
4159 valid before using them.
4161 2009-03-18 Ian Lance Taylor <iant@google.com>
4163 * script-sections.h: Include <list>.
4164 (class Script_sections): Change Sections_elements from std::vector
4165 to std::list. Typedef public Elements_iterator. Add
4166 orphan_section_placement_, data_segment_align_start_, and
4167 saw_data_segment_align_ fields. Remove data_segment_align_index_
4169 * script-sections.cc (class Orphan_section_placement): New class.
4170 (class Sections_element): Add virtual functions is_relro and
4171 orphan_section_init. Remove virtual function place_orphan_here.
4172 (class Output_section_definition): Add is_relro and
4173 orphan_section_init. Remove place_orphan_here.
4174 (class Orphan_output_section): Likewise.
4175 (Script_sections::Script_sections): Update for field changes.
4176 (Script_sections::data_segment_align): Set saw_data_segment_align_
4177 and data_segment_align_start_, not data_segment_align_index.
4178 (Script_sections::data_segment_relro_end): Check
4179 saw_data_segment_align_. Use data_segment_align_start_ rather
4180 than data_segment_align_index_.
4181 (Script_sections::place_orphan): Rewrite to use
4182 Orphan_section_placement.
4184 2009-03-17 Ian Lance Taylor <iant@google.com>
4186 * archive.cc (Archive::add_symbols): Check for a version attached
4187 to the symbol name in the archive map.
4188 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
4189 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
4190 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
4191 (ver_test_11.a): New target.
4192 * testsuite/Makefile.in: Rebuild.
4194 * configure.ac: Check for chsize and posix_fallocate. Replace
4196 * ftruncate.c: New file, from gnulib.
4197 * output.cc (posix_fallocate): Define dummy version if not
4198 HAVE_POSIX_FALLOCATE.
4199 (Output_file::map): Call posix_fallocate rather than lseek and
4201 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
4202 * configure, Makefile.in, config.in: Rebuild.
4204 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
4206 * layout.h (Layout::create_note): Add section_name parameter.
4207 * layout.cc (Layout::create_note): Likewise.
4208 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
4210 2009-03-17 Ian Lance Taylor <iant@google.com>
4212 * descriptors.cc: Include "options.h".
4213 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
4214 (Descriptors::open): Always use O_CLOEXEC when opening a new
4215 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
4216 then set FD_CLOEXEC.
4218 * sparc.cc (class Target_sparc): Add has_got_section.
4219 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
4220 make sure we have a GOT section.
4222 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
4223 (Target_sparc::Scan::local): Likewise.
4224 (Target_sparc::Scan::global): Likewise.
4225 (Target_sparc::Relocate::relocate): Likewise.
4226 (Target_sparc::Relocate::relocate_tls): Likewise.
4228 * symtab.cc (Symbol_table::define_default_version): New function,
4229 broken out of add_from_object.
4230 (Symbol_table::add_from_object): Call define_default_version.
4231 (Symbol_table::define_special_symbol): Add resolve_oldsym
4232 parameter. Change all callers. If the version for a symbol comes
4233 from a version script, resolve it with the symbol with the same
4234 name with no version. Also add the symbol without a version if
4236 (do_define_in_output_data): If resolving with oldsym, don't delete
4238 (do_define_in_output_segment): Likewise.
4239 (do_define_as_constant): Likewise.
4240 * symtab.h (class Symbol_table): Update declarations.
4242 2009-03-13 Ian Lance Taylor <iant@google.com>
4244 * readsyms.cc (Read_symbols::incompatible_warning): New function.
4245 (Read_symbols::requeue): New function.
4246 (Read_symbols::do_read_symbols): If make_elf_object fails because
4247 the target type is not configured, and the file was searched for,
4248 issue a warning and retry with the next directory.
4249 (Add_symbols::run): If the file has an incompatible format, and
4250 it was searched for, requeue the Read_symbols task. On error,
4252 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
4253 dirindex parameter to constructor. Change all callers. Declare
4254 incompatible_warning and requeue.
4255 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
4256 input_argument_ and input_group_ fields. Add them to
4257 constructor. Change all callers.
4258 (class Read_script): Add dirindex_ field. Add it to constructor.
4260 * archive.cc (Archive::setup): Remove input_objects parameter.
4262 (Archive::get_file_and_offset): Likewise.
4263 (Archive::read_all_symbols): Likewise.
4264 (Archive::read_symbols): Likewise.
4265 (Archive::get_elf_object_for_member): Remove input_objects
4266 parameter. Add punconfigured parameter. Change all callers.
4267 (Archive::add_symbols): Change return type to bool. Check return
4268 value of include_member.
4269 (Archive::include_all_members): Likewise.
4270 (Archive::include_member): Change return type to bool. Return
4271 false if first included object has incompatible target. Set
4272 included_member_ field.
4273 (Add_archive_symbols::run): If add_symbols returns false, requeue
4275 * archive.h (class Archive): Add included_member_ field.
4276 Initialize it in constructor. Add input_file and searched_for
4277 methods. Update declarations.
4278 (class Add_archive_symbols): Add dirpath_, dirindex_, and
4279 input_argument_ fields. Add them to constructor. Change all
4281 * script.cc: Include "target-select.h".
4282 (class Parser_closure): Add skip_on_incompatible_target_ and
4283 found_incompatible_target_ fields. Add
4284 skip_on_incompatible_target parameter to constructor. Change all
4285 callers. Add methods skip_on_incompatible_target,
4286 clear_skip_on_incompatible_target, found_incompatible_target, and
4287 set_found_incompatible_target.
4288 (read_input_script): Add dirindex parameter. Change all callers.
4289 If parser finds an incompatible target, requeue Read_symbols
4291 (script_set_symbol): Clear skip_on_incompatible_target in
4293 (script_add_assertion, script_parse_option): Likewise.
4294 (script_start_sections, script_add_phdr): Likewise.
4295 (script_check_output_format): New function.
4296 * script.h (read_input_script): Update declaration.
4297 * script-c.h (script_check_output_format): Declare.
4298 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
4299 (ignore_cmd): Remove OUTPUT_FORMAT.
4300 * fileread.cc (Input_file::Input_file): Add explicit this.
4301 (Input_file::will_search_for): New function.
4302 (Input_file::open): Add pindex parameter. Change all callers.
4303 * fileread.h (class Input_file): Add input_file_argument method.
4304 Declare will_search_for. Update declarations.
4305 * object.cc (make_elf_object): Add punconfigured parameter.
4307 * object.h (class Object): Make input_file public. Add
4308 searched_for method.
4309 (make_elf_object): Update declaration.
4310 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
4312 * dirsearch.h (class Dirsearch): Update declaration.
4313 * options.h (class General_options): Add --warn-search-mismatch.
4314 * parameters.cc (Parameters::is_compatible_target): New function.
4315 * parameters.h (class Parameters): Declare is_compatible_target.
4316 * workqueue.cc (Workqueue::add_blocker): New function.
4317 * workqueue.h (class Workqueue): Declare add_blocker.
4319 * fileread.cc (Input_file::open): Remove options parameter.
4321 (Input_file::open_binary): Likewise.
4322 * script.cc (read_input_script): Likewise.
4323 * readsyms.h (class Read_symbols): Remove options_ field. Remove
4324 options parameter from constructor. Change all callers.
4325 (class Read_script): Likewise.
4326 * fileread.h (class Input_file): Update declarations.
4327 * script.h (read_input_script): Update declaration.
4329 2009-03-10 Nick Clifton <nickc@redhat.com>
4331 * po/es.po: New Spanish translation.
4333 2009-03-06 Cary Coutant <ccoutant@google.com>
4335 * options.cc (parse_short_option): Keep dash_z from registering itself.
4337 2009-03-03 Ian Lance Taylor <iant@google.com>
4340 * target-reloc.h (relocate_section): Pass output_section to
4342 * i386.cc (Target_i386::should_apply_static_reloc): Add
4343 output_section parameter. Change all callers.
4344 (Target_i386::Relocate::relocate): Add output_section parameter.
4345 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4346 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
4347 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
4348 * testsuite/two_file_shared.sh: New script.
4349 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
4350 (check_DATA): Add two_file_shared.dbg.
4351 (two_file_shared.dbg): New target.
4352 * testsuite/Makefile.in: Rebuild.
4354 2009-03-01 Ian Lance Taylor <iant@google.com>
4356 * configure.ac: Check for byteswap.h.
4357 * configure: Rebuild.
4358 * config.in: Rebuild.
4360 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
4362 * layout.cc (Layout::find_or_add_kept_section): New function.
4363 (Layout::add_comdat): Removed.
4364 * layout.h (struct Kept_section): Move out of class Layout.
4365 Remove trailing underscores from field names. Add group_sections
4366 field. Rename group_ field to is_group. Change all uses.
4367 (class Layout): Declare find_or_add_kept_section, not add_comdat.
4368 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
4369 comdat_groups_ field.
4370 (Sized_relobj::include_section_group): Use
4371 find_or_add_kept_section and Kept_section::group_sections.
4372 (Sized_relobj::include_linkonce_section): Likewise.
4373 * object.cc (class Sized_relobj): Don't define Comdat_group or
4374 Comdat_group_table. Remove find_comdat_group and
4375 add_comdat_group. Remove comdat_groups_ field.
4376 * plugin.cc (include_comdat_group): Use
4377 Layout::find_or_add_kept_section.
4379 2009-02-28 Ian Lance Taylor <iant@google.com>
4381 * README: --gc-sections and map files are now supported. Document
4382 some build requirements.
4385 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
4386 relocatable link set the value of the section symbol to zero.
4387 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
4388 relocatable link don't include the section address in the local
4391 2009-02-27 Ian Lance Taylor <iant@google.com>
4394 * options.h (class Search_directory): Add is_system_directory.
4395 (class General_options): Declare is_in_system_directory.
4396 * options.cc (get_relative_sysroot): Make static.
4397 (get_default_sysroot): Make static.
4398 (General_optoins::is_in_system_directory): New function.
4399 * fileread.cc (Input_file::is_in_system_directory): New function.
4400 * fileread.h (class Input_file): Declare is_in_system_directory.
4401 * object.h (class Object): Add is_in_system_directory.
4402 (class Input_objects): Remove system_library_directory_ field.
4403 * object.cc (Input_objects::add_object): Don't set
4404 system_library_directory_.
4405 (input_objects::found_in_system_library_directory): Remove.
4406 * symtab.cc (Symbol_table::write_globals): Remove input_objects
4407 parameter. Change all callers.
4408 (Symbol_table::sized_write_globals): Likewise.
4409 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
4410 Call Object::is_in_system_directory.
4411 * symtab.h (class Symbol_table): Update declarations.
4414 * descriptors.h (Open_descriptor): Add is_on_stack field.
4415 * descriptors.cc (Descriptors::open): If the descriptor is on the
4416 top of the stack, remove it. Initialize is_on_stack field.
4417 (Descriptors::release): Only add pod to stack if it is not on the
4419 (Descriptors::close_some_descriptor): Clear stack_next and
4423 * output.cc (Output_section::find_starting_output_address): Rename
4424 from starting_output_address; add PADDR parameter; change return
4426 * output.h (class Output_section): Declare
4427 find_starting_output_address instead of starting_output_address.
4428 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
4429 section symbol for which we can't find a merge section.
4432 * symtab.cc (Symbol_table::add_from_object): If the visibility is
4433 hidden or internal, force the symbol to be local.
4434 * resolve.cc (Symbol::override_visibility): Define.
4435 (Symbol::override_base): Use override_visibility.
4436 (Symbol_table::resolve): Likewise.
4437 (Symbol::override_base_with_special): Likewise.
4438 (Symbol_table::override_with_special): If the visibility is hidden
4439 or internal, force the symbol to be local.
4440 * symtab.h (class Symbol): Add set_visibility and
4441 override_visibility.
4442 * testsuite/ver_test_1.sh: New file.
4443 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
4444 (check_DATA): Add ver_test_1.syms.
4445 (ver_test_1.syms): New target.
4446 * testsuite/Makefile.in: Rebuild.
4448 2009-02-25 Cary Coutant <ccoutant@google.com>
4450 * layout.cc (Layout::choose_output_section): Don't rename sections
4451 when using a linker script that has a SECTIONS clause.
4452 * Makefile.in: Regenerate.
4454 * testsuite/Makefile.am (script_test_5.sh): New test case.
4455 * testsuite/Makefile.in: Regenerate.
4456 * testsuite/script_test_5.cc: New file.
4457 * testsuite/script_test_5.sh: New file.
4458 * testsuite/script_test_5.t: New file.
4460 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
4462 * archive.cc (Archive::include_member): Update calls to add_symbols.
4463 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
4464 the Layout argument.
4465 * dynobj.h (do_add_symbols): Add the Layout argument.
4466 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
4468 * object.h (Object::add_symbols): Add the Layout argument.
4469 (Object::do_add_symbols): Add the Layout argument.
4470 (Sized_relobj::do_add_symbols): Add the Layout argument.
4471 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
4472 Unify the two versions.
4473 (Add_plugin_symbols): Remove.
4474 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
4475 (Sized_pluginobj::do_add_symbols): Unify the two versions.
4476 (Add_plugin_symbols): Remove.
4477 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
4478 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
4479 (Add_symbols::run): Make it work with Pulginobj.
4481 2009-02-06 Ian Lance Taylor <iant@google.com>
4483 * object.cc (Sized_relobj::do_layout): Make info message start
4484 with lower case letter.
4486 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
4488 * binary.cc: Fix file comment.
4490 * options.h (enum Incremental_disposition): Define.
4491 (class General_options): Add new options: --incremental,
4492 --incremental_changed, --incremental_unchanged,
4493 --incremental_unknown. Add incremental_disposition_ and
4494 implicit_incremental_ fields.
4495 (General_options::incremental_disposition): New function.
4496 (class Position_dependent_options): Add incremental_disposition
4498 (Position_dependent_options::copy_from_options): Set incremental
4500 * options.cc (General_options::parse_incremental_changed): New
4502 (General_options::parse_incremental_unchanged): New function.
4503 (General_options::parse_incremental_unknown): New function.
4504 (General_options::General_options): Initialize new fields
4505 incremental_disposition_ and implicit_incremental_.
4506 (General_options::finalize): Check for uasge of --incremental-*
4507 without --incremental.
4509 2009-02-06 Chris Demetriou <cgd@google.com>
4511 * gold.h (gold_undefined_symbol): Change to take only a Symbol
4512 pointer and to report location as the file name associated with
4514 (gold_undefined_symbol_at_location): New function to replace the
4515 old gold_undefined_symbol functionality.
4516 * target-reloc.h (relocate_section): Update to use
4517 gold_undefined_symbol_at_location.
4518 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
4519 Call gold_undefined_symbol function rather than gold_error.
4520 * errors.h (Errors::undefined_symbol): Take location as a
4521 string, rather than calculating it from a relocation.
4522 * errors.cc (Errors::fatal): Print "fatal error:" before the
4524 (Errors::error, Errors::error_at_location): Print "error: "
4525 before the formatted message.
4526 (Errors::undefined_symbol): Take location as a string, rather
4527 than calculating it from a relocation.
4528 (gold_undefined_symbol_at_location): New function akin to
4529 old gold_undefined_symbol, calculates location from relocation.
4530 (gold_undefined_symbol): Change to take only a Symbol pointer
4531 and to report location as the file name associated with the symbol.
4532 * testsuite/debug_msg.sh: Update for changed error messages.
4533 * testsuite/undef_symbol.sh: Likewise.
4535 2009-02-04 Duncan Sands <baldrick@free.fr>
4538 * reduced_debug_output.h
4539 (Output_reduced_debug_abbrev_section::failed): Use format for
4541 (Output_reduced_debug_info_section::faild): Likewise.
4543 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
4545 * script.cc (Lazy_demangler): New class.
4546 (Version_script_info::get_symbol_version_helper): Demangle a
4549 2009-01-29 Cary Coutant <ccoutant@google.com>
4551 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
4553 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
4555 2009-01-28 Ian Lance Taylor <iant@google.com>
4557 * version.cc (version_string): Bump to 1.9.
4559 * gold.h: Include <cstring> and <stdint.h>.
4560 * version.cc: Include <cstdio>.
4561 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
4563 * reduced_debug_output.cc (insert_into_vector): Rename from
4564 Insert_into_vector; change all callers. Use Swap_unaligned to
4565 avoid aliasing issue; remove union since it is unnecessary.
4567 2009-01-27 Sriraman Tallam <tmsriram@google.com>
4569 * Makefile.am (CCFILES): Add gc.cc.
4571 * Makefile.in: Regenerate.
4572 * gold.cc (Gc_runner): New class.
4573 (queue_initial_tasks): Call garbage collection related tasks
4574 when corresponding options are invoked.
4575 (queue_middle_gc_tasks): New function.
4576 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
4577 processed early before laying out sections during garbage collection.
4578 * gold.h (queue_middle_gc_tasks): New function.
4579 (is_prefix_of): Move from "layout.cc".
4580 * i386.cc (Target_i386::gc_process_relocs): New function.
4581 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
4582 * main.cc (main): Create object of class "Garbage_collection".
4583 * object.cc (Relobj::copy_symbols_data): New function.
4584 (Relobj::is_section_name_included): New function.
4585 (Sized_relobj::do_layout): Allow this function to be called twice
4586 during garbage collection and defer layout of section during the
4588 * object.h (Relobj::get_symbols_data): New function.
4589 (Relobj::is_section_name_included): New function.
4590 (Relobj::copy_symbols_data): New function.
4591 (Relobj::set_symbols_data): New function.
4592 (Relobj::get_relocs_data): New function.
4593 (Relobj::set_relocs_data): New function.
4594 (Relobj::is_output_section_offset_invalid): New pure virtual function.
4595 (Relobj::gc_process_relocs): New function.
4596 (Relobj::do_gc_process_relocs): New pure virtual function.
4597 (Relobj::sd_): New data member.
4598 (Sized_relobj::is_output_section_offset_invalid): New function.
4599 (Sized_relobj::do_gc_process_relocs): New function.
4600 * options.h (General_options::gc_sections): Modify to not be a no-op.
4601 (General_options::print_gc_sections): New option.
4602 * plugin.cc (Plugin_finish::run): Remove function call to
4603 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
4604 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
4605 * reloc.cc (Read_relocs::run): Add task to process relocs and
4606 determine unreferenced sections when doing garbage collection.
4607 (Gc_process_relocs): New class.
4608 (Sized_relobj::do_gc_process_relocs): New function.
4609 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
4610 sections that are garbage collected.
4611 * reloc.h (Gc_process_relocs): New class.
4612 * sparc.cc (Target_sparc::gc_process_relocs): New function.
4613 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
4614 symbols whose corresponding sections are garbage collected.
4615 (Symbol_table::Symbol_table): Add new parameter for the garbage
4617 (Symbol_table::gc_mark_undef_symbols): New function.
4618 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4619 (Symbol_table::gc_mark_dyn_syms): New function.
4620 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
4622 (Symbol_table::add_from_object): Likewise.
4623 (Symbol_table::add_from_relobj): When building shared objects, do not
4624 treat externally visible symbols as garbage.
4625 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
4626 table information for static and relocatable links.
4627 * symtab.h (Symbol_table::set_gc): New function.
4628 (Symbol_table::gc): New function.
4629 (Symbol_table::gc_mark_undef_symbols): New function.
4630 (Symbol_table::gc_mark_symbol_for_shlib): New function.
4631 (Symbol_table::gc_mark_dyn_syms): New function.
4632 (Symbol_table::gc_): New data member.
4633 * target.h (Sized_target::gc_process_relocs): New pure virtual
4635 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
4636 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
4638 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
4640 * options.h (General_options::gc_sections): Define as a no-op for now.
4641 (General_options::no_keep_memory): Ditto.
4642 (General_options::Bshareable): Define.
4643 * options.cc (General_options::finalize): Honor -Bshareable.
4645 2009-01-20 Andreas Schwab <schwab@suse.de>
4647 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
4648 read the value in the contents, since we don't use it. Use the
4649 template endianness when writing.
4650 (Relocate::relocate): Use it for R_PPC_REL16_HA.
4652 2009-01-19 Andreas Schwab <schwab@suse.de>
4654 * configure.tgt (powerpc64-*): Fix targ_obj.
4656 2009-01-15 Ian Lance Taylor <iant@google.com>
4658 * object.cc (Sized_relobj::write_local_symbols): Don't write out
4659 local symbols when stripping all symbols.
4661 2009-01-14 Cary Coutant <ccoutant@google.com>
4663 * output.cc (Output_reloc): Add explicit instantiations.
4665 2009-01-14 Cary Coutant <ccoutant@google.com>
4667 * archive.cc (Archive::get_elf_object_for_member): Remove call
4668 to File_read::claim_for_plugin.
4669 * descriptors.cc (Descriptors::open): Remove reference to
4671 (Descriptors::claim_for_plugin): Remove.
4672 * descriptors.h (Descriptors::claim_for_plugin): Remove.
4673 (Descriptors::is_claimed): Remove.
4674 (claim_descriptor_for_plugin): Remove.
4675 * fileread.cc (File_read::claim_for_plugin): Remove.
4676 * fileread.h (File_read::claim_for_plugin): Remove.
4677 (File_read::descriptor): Reopen descriptor if necessary.
4678 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
4679 (Plugin_manager::all_symbols_read): Add task parameter. Change
4681 (Plugin_manager::get_input_file): New function.
4682 (Plugin_manager::release_input_file): New function.
4683 (Pluginobj::Pluginobj): Add filesize parameter and initialize
4684 corresponding data member.
4685 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
4686 and pass to base constructor. Change all callers.
4687 (get_input_file, release_input_file): New functions.
4688 (make_sized_plugin_object): Add filesize parameter. Change all callers.
4689 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
4690 (Plugin_manager::all_symbols_read): Add task parameter.
4691 (Plugin_manager::get_input_file): New function.
4692 (Plugin_manager::release_input_file): New function.
4693 (Plugin_manager::task_): New data member.
4694 (Pluginobj::Pluginobj): Add filesize parameter.
4695 (Pluginobj::filename): New function.
4696 (Pluginobj::descriptor): New function.
4697 (Pluginobj::filesize): New function.
4698 (Pluginobj::filesize_): New data member.
4699 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
4700 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
4701 File_read::claim_for_plugin; use Object::unlock to unlock the file.
4703 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
4704 with archive libraries.
4705 * testsuite/Makefile.in: Regenerate.
4706 * testsuite/plugin_test.c (struct sym_info): New type.
4707 (get_input_file, release_input_file): New static variables.
4708 (onload): Capture new transfer vector entries.
4709 (claim_file_hook): Stop reading at end of file according to filesize.
4710 Factor out parsing of readelf output into separate function.
4711 (all_symbols_read_hook): Exercise get_input_file and release_input_file
4712 APIs and get the source file name from the symbol table. Convert
4713 source file name to corresponding object file name. Print info
4714 message when adding new input files.
4715 (parse_readelf_line): New function.
4716 * testsuite/plugin_test_1.sh: Add checks for new info messages.
4717 * testsuite/plugin_test_2.sh: Likewise.
4718 * testsuite/plugin_test_3.sh: Likewise.
4719 * testsuite/plugin_test_4.sh: New test case.
4721 2009-01-07 Ian Lance Taylor <iant@google.com>
4723 * version.cc (version_string): Bump to 1.8.
4725 2008-12-23 Cary Coutant <ccoutant@google.com>
4727 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
4728 * plugin.cc (Plugin_manager::finish): Rename as
4729 layout_deferred_objects. Move cleanup to separate function.
4730 (Plugin_manager::cleanup): New function.
4731 (Plugin_finish::run): Call layout_deferred_objects and cleanup
4733 * plugin.h (Plugin_manager::finish): Rename as
4734 layout_deferred_objects.
4735 (Plugin_manager::cleanup): New function.
4736 (Plugin_manager::cleanup_done): New field.
4738 2008-12-23 Cary Coutant <ccoutant@google.com>
4740 * plugin.cc (is_visible_from_outside): New function.
4741 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
4742 so we don't return "IR only" status for exported symbols or -r links.
4744 * testsuite/Makefile.am (plugin_test_3): New test case.
4745 * testsuite/Makefile.in: Regenerate.
4746 * testsuite/plugin_test_3.sh: New file.
4748 2008-12-22 Cary Coutant <ccoutant@google.com>
4750 * object.cc (Sized_relobj::layout_section): New function.
4751 (Sized_relobj::do_layout): Defer layout of input sections until after
4752 plugin has provided replacement files.
4753 (Sized_relobj::do_layout_deferred_sections): New function.
4754 * object.h (Relobj::set_section_offset): Remove virtual keyword.
4755 (Relobj::layout_deferred_sections): New function.
4756 (Relobj::do_layout_deferred_sections): New function.
4757 (Sized_relobj::do_layout_deferred_sections): New function.
4758 (Sized_relobj::layout_section): New function.
4759 (Sized_relobj::Deferred_layout): New structure.
4760 (Sized_relobj::deferred_layout_): New field.
4761 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
4762 Change all callers. Layout deferred sections.
4763 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
4765 (Plugin_hook::run): Move code from do_plugin_hook inline.
4766 (Plugin_hook::do_plugin_hook): Remove.
4767 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
4768 (Plugin_manager::finish): Renamed, was cleanup.
4769 (Plugin_manager::should_defer_layout): New function.
4770 (Plugin_manager::add_deferred_layout_object): New function.
4771 (Plugin_manager::Deferred_layout_list): New type.
4772 (Plugin_manager::deferred_layout_objects_): New field.
4773 (Plugin_hook::do_plugin_hook): Remove.
4775 2008-12-17 Ian Lance Taylor <iant@google.com>
4777 * options.h (class General_options): Add --no case for
4780 2008-12-16 Cary Coutant <ccoutant@google.com>
4782 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
4784 (Plugin_manager::claim_file): Create plugin object even if
4785 plugin did not call the add_symbols callback.
4786 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
4787 asking for more symbols than were added.
4788 * testsuite/Makefile.am (plugin_test_1): Add test case with
4790 (empty.syms): New target.
4791 * testsuite/Makefile.in: Regenerate.
4792 * testsuite/plugin_test.c (claim_file_hook): Add new debug
4793 message. Don't call add_symbols if no globals.
4794 (all_symbols_read_hook): Don't provide replacement for empty
4797 2008-12-12 Ian Lance Taylor <iant@google.com>
4799 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
4800 r_type == 0 for a local symbol with r_sym == 0.
4801 (scan_relocatable_relocs): Pass r_sym to
4802 local_non_section_strategy.
4803 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
4806 * configure.ac: Update test for TLS descriptors: they are
4807 supported as of glibc 2.9.
4808 * configure: Rebuild.
4810 2008-12-11 Ian Lance Taylor <iant@google.com>
4813 * target-reloc.h (Default_scan_relocatable_relocs): For each
4814 function, map r_type == 0 to RELOC_DISCARD.
4816 2008-12-10 Cary Coutant <ccoutant@google.com>
4818 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
4819 object to override a kept COMDAT group from a plugin object.
4821 2008-12-09 Ian Lance Taylor <iant@google.com>
4824 * yyscript.y (file_cmd): Handle INPUT.
4826 * testsuite/initpri1.c: Change all declarations to be full
4827 prototypes by adding void, to avoid compiler warnings.
4829 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
4831 * options.cc (General_options::parse_plugin_opt): New.
4832 (General_options::add_plugin): The argument now is just the filename.
4833 (General_options::add_plugin_option): New.
4834 * options.h (plugin_opt): New.
4835 (add_plugin): Change argument name.
4836 (add_plugin_option): New.
4837 * plugin.cc (Plugin::load): Don't parse the plugin option.
4838 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
4839 (Plugin::add_option): New.
4840 (Plugin::args_): Change type.
4841 (Plugin::filename_): New.
4842 (Plugin_manager::add_plugin_option): New.
4843 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
4844 * testsuite/Makefile.in: Regenerate.
4846 2008-12-05 Cary Coutant <ccoutant@google.com>
4848 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
4849 Handle --strip-lto-sections option.
4850 * options.h (strip_lto_sections): New option.
4852 2008-12-01 Cary Coutant <ccoutant@google.com>
4854 * plugin.cc (ld_plugin_message): Change format parameter to const.
4855 Fix mismatch between new[] and delete.
4857 2008-11-14 Cary Coutant <ccoutant@google.com>
4859 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
4862 2008-11-05 Craig Silverstein <csilvers@google.com>
4864 * options.cc (General_options::parse_dynamic_list): New function.
4865 * options.h (General_options): New flags dynamic_list,
4866 dynamic_list_data, dynamic_list_cpp_new, and
4867 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
4868 (General_options::in_dynamic_list): New function.
4869 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
4870 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
4871 (Lex::can_continue_name): Likewise.
4873 (read_script_file): New parameter script_options.
4874 (read_dynamic_list): New function.
4875 (Script_options::define_dynamic_list): New function.
4876 (dynamic_list_keyword_parsecodes): New variable.
4877 (dynamic_list_keywords): New variable.
4878 * script.h (Script_options::define_dynamic_list): New function
4880 (read_dynamic_list): New function prototype.
4881 * symtab.cc (strprefix): New macro.
4882 (Symbol::should_add_dynsym_entry): Support dynamic_list,
4883 dynamic_list_data, dynamic_list_cpp_new, and
4884 dynamic_list_cpp_typeinfo.
4885 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
4886 (dynamic_list_expr): New rule.
4887 (dynamic_list_nodes): Likewise.
4888 (dynamic_list_node): Likewise.
4889 * testsuite/Makefile.am (dynamic_list): New test.
4890 * testsuite/Makefile.in: Regenerated.
4891 * testsuite/dynamic_list.t: New file.
4892 * testsuite/dynamic_list.sh: New file.
4894 2008-11-05 Craig Silverstein <csilvers@google.com>
4896 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
4897 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
4898 (t11_last): Likewise.
4899 * testsuite/ver_test_6.c (main): Likewise.
4901 2008-10-07 Cary Coutant <ccoutant@google.com>
4903 * options.c (General_options::finalize): Add check for -static and
4905 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
4908 2008-10-02 Cary Coutant <ccoutant@google.com>
4910 * plugin.cc (make_sized_plugin_object): Fix conditional
4911 compilation to work when not all targets are enabled.
4913 2008-09-29 Cary Coutant <ccoutant@google.com>
4915 * archive.cc (Archive::get_file_and_offset): Use filename instead
4916 of name to get library path.
4917 (Archive::include_member): Unlock external member of a thin archive.
4919 * testsuite/Makefile.am (TEST_AR): New variable.
4920 (thin_archive_test_1): New test.
4921 (thin_archive_test_2): New test.
4922 * testsuite/Makefile.in: Regenerate.
4923 * testsuite/thin_archive_main.cc: New file.
4924 * testsuite/thin_archive_test_1.cc: New file.
4925 * testsuite/thin_archive_test_2.cc: New file.
4926 * testsuite/thin_archive_test_3.cc: New file.
4927 * testsuite/thin_archive_test_4.cc: New file.
4929 2008-09-29 Cary Coutant <ccoutant@google.com>
4931 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
4932 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
4934 (Sized_relobj::do_finalize_local_symbols): Likewise.
4935 (Sized_relobj::map_to_kept_section): Likewise.
4936 * object.h (Sized_relobj::invalid_address): New constant.
4937 (Sized_relobj::do_output_section_offset): Check for invalid_address
4939 * output.cc (Output_reloc::local_section_offset): Use constant
4940 invalid_address instead of -1U.
4941 (Output_reloc::get_address): Likewise.
4942 (Output_section::output_address): Change -1U to -1ULL.
4943 * output.h (Output_reloc::invalid_address): New constant.
4944 * reloc.cc (Sized_relobj::write_sections): Use constant
4945 invalid_address instead of -1U.
4946 (Sized_relobj::relocate_sections): Likewise.
4947 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
4948 values for merge sections.
4949 * target-reloc.h (relocate_for_relocatable): Use constant
4950 invalid_address instead of -1U.
4952 2008-09-19 Cary Coutant <ccoutant@google.com>
4954 Add plugin functionality for link-time optimization (LTO).
4955 * configure.ac (plugins): Add --enable-plugins option.
4956 * configure: Regenerate.
4957 * config.in: Regenerate.
4958 * Makefile.am (LIBDL): New variable.
4959 (CCFILES): Add plugin.cc.
4960 (HFILES): Add plugin.h.
4961 (ldadd_var): Add LIBDL.
4962 * Makefile.in: Regenerate.
4964 * archive.cc: Include "plugin.h".
4965 (Archive::setup): Don't preread archive symbols when using a plugin.
4966 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
4967 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
4969 (Archive::include_member): Add symbols from plugin objects.
4970 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
4971 * descriptors.cc (Descriptors::open): Check for file descriptors
4972 abandoned by plugins.
4973 (Descriptors::claim_for_plugin): New function.
4974 * descriptors.h (Descriptors::claim_for_plugin): New function.
4975 (Open_descriptor::is_claimed): New field.
4976 (claim_descriptor_for_plugin): New function.
4977 * fileread.cc (File_read::claim_for_plugin): New function.
4978 * fileread.h (File_read::claim_for_plugin): New function.
4979 (File_read::descriptor): New function.
4980 * gold.cc: Include "plugin.h".
4981 (queue_initial_tasks): Add task to call plugin hooks for generating
4983 * main.cc: Include "plugin.h".
4984 (main): Load plugin libraries.
4985 * object.h (Pluginobj): Declare.
4986 (Object::pluginobj): New function.
4987 (Object::do_pluginobj): New function.
4988 (Object::set_target): New function.
4989 * options.cc: Include "plugin.h".
4990 (General_options::parse_plugin): New function.
4991 (General_options::General_options): Initialize plugins_ field.
4992 (General_options::add_plugin): New function.
4993 * options.h (Plugin_manager): Declare.
4994 (General_options): Add --plugin option.
4995 (General_options::has_plugins): New function.
4996 (General_options::plugins): New function.
4997 (General_options::add_plugin): New function.
4998 (General_options::plugins_): New field.
4999 * plugin.cc: New file.
5000 * plugin.h: New file.
5001 * readsyms.cc: Include "plugin.h".
5002 (Read_symbols::do_read_symbols): Check for archive before checking
5003 for ELF file. Call plugin hooks to claim files.
5004 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
5005 from a real object file; force override when processing replacement
5007 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
5008 (Symbol::init_base_object): Likewise.
5009 (Symbol::init_base_output_data): Likewise.
5010 (Symbol::init_base_output_segment): Likewise.
5011 (Symbol::init_base_constant): Likewise.
5012 (Symbol::init_base_undefined): Likewise.
5013 (Symbol::output_section): Assert that object is not a plugin.
5014 (Symbol_table::add_from_pluginobj): New function.
5015 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
5017 (Symbol_table::sized_write_globals): Likewise.
5018 (Symbol_table::add_from_pluginobj): Instantiate template.
5019 * symtab.h (Sized_pluginobj): Declare.
5020 (Symbol::in_real_elf): New function.
5021 (Symbol::set_in_real_elf): New function.
5022 (Symbol::in_real_elf_): New field.
5023 (Symbol_table::add_from_pluginobj): New function.
5025 * testsuite/Makefile.am (AM_CFLAGS): New variable.
5026 (LIBDL): New variable.
5028 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
5029 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
5030 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
5031 (MOSTLYCLEANFILES): Likewise.
5032 * testsuite/Makefile.in: Regenerate.
5033 * testsuite/plugin_test.c: New file.
5034 * testsuite/plugin_test_1.sh: New file.
5035 * testsuite/plugin_test_2.sh: New file.
5037 2008-09-16 Ian Lance Taylor <iant@google.com>
5039 * target-reloc.h (relocate_section): Check whether a symbol is
5040 defined by the ABI before reporting an undefined symbol error.
5041 * target.h (Target::is_defined_by_abi): Make parameter const.
5042 (Target::do_is_defined_by_abi): Likewise.
5043 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
5044 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
5045 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
5046 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
5047 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
5048 * testsuite/Makefile.in: Rebuild.
5050 * fileread.cc (make_view): Add casts to avoid warning.
5052 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5054 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
5055 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5057 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
5059 * options.h (General_options::output_is_executable): New.
5060 (General_options::output_is_pie): New.
5061 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
5062 for shared libraries.
5063 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
5065 2008-09-11 Chris Demetriou <cgd@google.com>
5067 * options.h (origin): New -z option.
5068 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
5069 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
5072 2008-09-05 Cary Coutant <ccoutant@google.com>
5074 * fileread.cc (File_read::make_view): Add check for attempt to map
5077 2008-09-05 Cary Coutant <ccoutant@google.com>
5079 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
5080 explicit instantiations.
5082 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
5085 * options.cc (General_options::finalize): Allow undefined symbols
5086 in shlibs if linking -shared.
5089 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
5090 symbols as not needing a dynsym entry.
5092 2008-08-20 Craig Silverstein <csilvers@google.com>
5094 * fileread.cc (File_read::open): Do not lock the file unless it
5095 was successfully opened.
5097 2008-08-14 Cary Coutant <ccoutant@google.com>
5099 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
5100 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
5101 * testsuite/tls_test.cc (struct int128): 128-bit struct
5102 for testing TLS relocs with non-zero addend.
5103 (v12): New TLS variable.
5105 (t_last): Add check for v12.
5106 * testsuite/tls_test.h (t12): New function.
5107 * testsuite/tls_test_main.cc (thread_routine): Call new test.
5109 2008-08-13 Ian Lance Taylor <iant@google.com>
5111 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
5112 set tls_segment_ or relro_segment_.
5113 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
5115 * output.h (Output_section::clear_is_relro): New function.
5116 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
5117 sections specially even when output_data_ is empty.
5118 (Output_segment::maximum_alignment): When first section is relro,
5119 only force alignment for PT_LOAD segments.
5120 * script.cc (script_data_segment_align): New function.
5121 (script_data_segment_relro_end): New function.
5122 * script-c.h (script_data_segment_align): Declare.
5123 (script_data_segment_relro_end): Declare.
5124 * script-sections.h (class Script_sections): Declare
5125 data_segment_align and data_segment_relro_end. Add fields
5126 segment_align_index_ and saw_relro_end_.
5127 * script-sections.cc (class Sections_element): Add set_is_relro
5128 virtual function. Add new bool* parameter to place_orphan_here.
5129 Add get_output_section virtual function.
5130 (class Output_section_definition): Add set_is_relro. Add new
5131 bool* parameter to place_orphan_here. Add get_output_section.
5132 Add is_relro_ field.
5133 (Output_section_definition::Output_section_definition): Initialize
5134 evaluated_address_, evaluated_load_address, evaluated_addralign_,
5135 and is_relro_ fields.
5136 (Output_section_definition::place_orphan_here): Add is_relro
5138 (Output_section_definition::set_section_addresses): Set relro for
5140 (Output_section_definition::alternate_constraint): Likewise.
5141 (class Orphan_output_section): Add new bool* parameter to
5142 place_orphan_here. Add get_output_section.
5143 (Orphan_output_section::place_orphan_here): Add is_relro
5145 (Script_sections::Script_sections): Initialize
5146 data_segment_align_index_ and saw_relro_end_.
5147 (Script_sections::data_segment_align): New function.
5148 (Script_sections::data_segment_relro_end): New function.
5149 (Script_sections::place_orphan): Set or clear is_relro.
5150 (Script_sections::set_section_addresses): Force alignment of first
5152 * yyscript.y (exp): Call script_data_segment_align and
5153 script_data_segment_relro_end.
5154 * testsuite/relro_script_test.t: New file.
5155 * testsuite/relro_test.cc (using_script): Declare.
5156 (t1, t2): Test using_script.
5157 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
5158 (relro_script_test_SOURCES): Define.
5159 (relro_script_test_DEPENDENCIES): Define.
5160 (relro_script_test_LDFLAGS): Define.
5161 (relro_script_test_LDADD): Define.
5162 (relro_script_test.so): New target.
5163 * testsuite/Makefile.in: Rebuild.
5165 2008-08-06 Cary Coutant <ccoutant@google.com>
5167 * archive.cc (Archive::total_archives, Archive::total_members)
5168 (Archive::total_members_loaded): New variables.
5169 (Archive::setup): Add parameter. Add option to preread
5171 (Archive::read_armap): Add counter.
5172 (Archive::get_file_and_offset): New function.
5173 (Archive::get_elf_object_for_member): New function.
5174 (Archive::read_all_symbols): New function.
5175 (Archive::read_symbols): New function.
5176 (Archive::add_symbols): Add counters.
5177 (Archive::include_all_members): Use armap to find members if it's
5179 (Archive::include_member): Skip reading symbols if already read.
5180 Factored code into Archive::get_file_and_offset and
5181 Archive::get_elf_object_for_member. Changed call to
5182 Mapfile::report_include_archive_member.
5183 (Archive::print_stats): New function.
5184 * archive.h: Declare Object and Read_symbols_data classes.
5185 (Archive::Archive): Add initializers for new members.
5186 (Archive::setup): Add parameter.
5187 (Archive::print_stats): New function.
5188 (Archive::total_archives, Archive::total_members)
5189 (Archive::total_members_loaded): New variables.
5190 (Archive::get_file_and_offset): New function.
5191 (Archive::get_elf_object_for_member): New function.
5192 (Archive::read_all_symbols): New function.
5193 (Archive::read_symbols): New function.
5194 (Archive::Archive_member): New class.
5195 (Archive::members_): New member.
5196 (Archive::num_members_): New member.
5197 * main.cc: Include archive.h.
5198 (main): Call Archive::print_stats.
5199 * mapfile.cc (Mapfile::report_include_archive_member): Delete
5200 archive parameter; member_name is now the fully-decorated name.
5201 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
5202 * options.h: (General_options): Add --preread-archive-symbols option.
5203 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
5206 2008-08-04 Ian Lance Taylor <iant@google.com>
5208 * symtab.h (Symbol::use_plt_offset): New function.
5209 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
5210 * powerpc.cc (Relocate::relocate): Likewise.
5211 * sparc.cc (Relocate::relocate): Likewise.
5212 * x86_64.cc (Relocate::relocate): Likewise.
5213 * testsuite/weak_plt.sh: New test.
5214 * testsuite/weak_plt_main.cc: New test.
5215 * testsuite/weak_plt_shared.cc: New test.
5216 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
5217 (check_PROGRAMS): Add weak_plt.
5218 (check_DATA): Add weak_plt_shared.so.
5219 (weak_plt_main_pic.o, weak_plt): New targets.
5220 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
5221 * testsuite/Makefile.in: Rebuild.
5223 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
5225 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
5226 * testsuite/Makefile.in: Rebuild.
5228 2008-08-04 Alan Modra <amodra@bigpond.net.au>
5230 * Makefile.am (POTFILES.in): Set LC_ALL=C.
5231 * Makefile.in: Regenerate.
5232 * po/POTFILES.in: Regenerate.
5234 2008-07-29 Ian Lance Taylor <iant@google.com>
5236 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
5237 symbols before other symbols.
5238 * testsuite/script_test_2.cc (test_addr): Declare.
5239 (test_addr_alias): Declare.
5240 (main): Check that test_addr and test_addr_alias have the right
5242 * testsuite/script_test_2.t: Define test_addr_alias and
5245 2008-07-24 Ian Lance Taylor <iant@google.com>
5248 * descriptors.cc: New file.
5249 * descriptors.h: New file.
5250 * gold-threads.h (class Hold_optional_lock): New class.
5251 * fileread.cc: Include "descriptors.h".
5252 (File_read::~File_read): Release descriptor rather than closing
5254 (File_read::open) [file]: Call open_descriptor rather than open.
5255 Set is_descriptor_opened_.
5256 (File_read::open) [memory]: Assert that descriptor is not open.
5257 (File_read::reopen_descriptor): New function.
5258 (File_read::release): Release descriptor.
5259 (File_read::do_read): Make non-const. Reopen descriptor.
5260 (File_read::read): Make non-const.
5261 (File_read::make_view): Reopen descriptor.
5262 (File_read::do_readv): Likewise.
5263 * fileread.h (class File_read): Add is_descriptor_opened_ field.
5264 Update declarations.
5265 * layout.cc: Include "descriptors.h".
5266 (Layout::create_build_id): Use open_descriptor rather than open.
5267 * output.cc: Include "descriptors.h".
5268 (Output_file::open): Use open_descriptor rather than open.
5269 * archive.cc (Archive::const_iterator): Change Archive to be
5271 (Archive::begin, Archive::end): Make non-const.
5272 (Archive::count_members): Likewise.
5273 * archive.h (class Archive): Update declarations.
5274 * object.h (Object::read): Make non-const.
5275 * Makefile.am (CCFILES): Add descriptors.cc.
5276 (HFILES): Add descriptors.h.
5277 * Makefile.in: Rebuild.
5280 * gold.h: Always include <clocale>. Add Solaris workarounds
5281 following code in binutils/sysdep.h.
5284 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
5285 this->eh_frame_hdr_ is NULL before using it.
5287 * dynobj.cc (Versions::Versions): Update comment.
5289 * dynobj.cc (Versions::Versions): If there is an soname, use it as
5290 the base version name.
5292 * stringpool.cc (Stringpool_template::add_with_length): Set key to
5293 array size plus one.
5294 (Stringpool_template::set_string_offsets): Subtract one from key
5295 before using it as an array index.
5296 (Stringpool_template::get_offset_with_length): Likewise.
5297 (Stringpool_template::write_to_buffer): Likewise.
5298 * stringpool.h (Stringpool_template::get_offset_from_key):
5301 2008-07-23 Ian Lance Taylor <iant@google.com>
5304 * object.h (Merged_symbol_value::value): Do our best to handle a
5308 * script.cc (Version_script_info::get_versions): Don't add empty
5309 version tag to return value.
5310 (Version_script_info::get_symbol_version_helper): Change return
5311 type to bool. Add pversion parameter. Change all callers.
5312 (script_register_vers_node): Don't require a non-NULL tag.
5313 * script.h (class Version_script_info): Update declarations.
5314 (Version_script_info::get_symbol_version): Change return type to
5315 bool. Add version parameter. Change all callers.
5316 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
5317 handling. Handle an empty version from a version script.
5318 (Symbol_table::define_special_symbol): Likewise.
5319 * testsuite/ver_test_10.script: New file.
5320 * testsuite/ver_test_10.sh: New file.
5321 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
5322 (check_DATA): Add ver_test_10.syms.
5323 (ver_test_10.syms, ver_test_10.so): New target.
5324 * testsuite/Makefile.in: Rebuild.
5326 2008-07-23 Simon Baldwin <simonb@google.com>
5328 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
5329 to zero for undefined symbols from dynamic libraries.
5331 2008-07-23 Ian Lance Taylor <iant@google.com>
5333 * symtab.cc (Symbol_table::resolve): Remove version parameter.
5335 * symtab.h (class Symbol_table): Update declaration.
5336 * testsuite/ver_test_9.cc: New file.
5337 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
5338 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
5339 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
5340 (ver_test_9.so, ver_test_9.o): New targets.
5341 * testsuite/Makefile.in: Rebuild.
5343 2008-07-22 Ian Lance Taylor <iant@google.com>
5345 * options.h (class General_options): Define --check-sections.
5346 * layout.cc (Layout::set_segment_offsets): Handle
5349 * options.h (class General_options): Define -n/--nmagic and
5351 * options.cc (General_options::finalize): For -n/--nmagic or
5352 -N/--omagic, set -static.
5353 * layout.cc (Layout::attach_allocated_section_to_segment): If
5354 -N/--omagic, don't put read-only and read-write sections in
5356 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
5357 finding a read-only segment.
5358 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
5359 don't set the minimum segment alignment to the common page size,
5360 and don't set the file offset to the address modulo the page size.
5361 * script-sections.cc (Script_sections::create_segments): If
5362 -n/--omagic, don't put read-only and read-write sections in
5365 * cref.cc: New file.
5367 * options.h (class General_options): Add --print-symbol-counts.
5368 * main.cc (main): Issue defined symbol report if requested.
5369 * archive.cc (Archive::interpret_header): Make into a const member
5371 (Archive::add_symbols): Call Input_objects::archive_start and
5373 (Archive::const_iterator): Define new class.
5374 (Archive::begin, Archive::end): New functions.
5375 (Archive::include_all_members): Rewrite to use iterator.
5376 (Archive::count_members): New function.
5377 * archive.h (class Archive): Update declarations.
5378 (Archive::filename): New function.
5379 * object.cc: Include "cref.h".
5380 (Sized_relobj::Sized_relobj): Initialize defined_count_.
5381 (Sized_relobj::do_get_global_symbol_counts): New function.
5382 (Input_objects::add_object): Add object to cross-referencer.
5383 (Input_objects::archive_start): New function.
5384 (Input_objects::archive_stop): New function.
5385 (Input_objects::print_symbol_counts): New function.
5386 * object.h: Declare Cref and Archive.
5387 (Object::get_global_symbol_counts): New function.
5388 (Object::do_get_global_symbol_counts): New pure virtual function.
5389 (class Sized_relobj): Add defined_count_ field. Update
5391 (class Input_objects): Add cref_ field. Update constructor.
5392 Update declarations.
5393 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
5395 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
5397 (Sized_dynobj::do_get_global_symbol_counts): New function.
5398 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
5399 defined_count_. Update declarations. Define Symbols typedef.
5400 * symtab.cc (Symbol_table::add_from_relobj): Add defined
5401 parameter. Change all callers.
5402 (Symbol_table::add_from_dynobj): Add sympointers and defined
5403 parameters. Change all callers.
5404 * symtab.h (class Symbol_table): Update declarations.
5405 * Makefile.am (CCFILES): Add cref.cc.
5406 (HFILES): Add cref.h.
5407 * Makefile.in: Rebuild.
5409 2008-07-22 Simon Baldwin <simonb@google.com>
5411 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
5412 to zero when writing undefined symbols.
5414 2008-07-22 Ian Lance Taylor <iant@google.com>
5416 * output.cc (Output_section::add_input_section): Don't try to
5417 merge empty merge sections.
5419 2008-07-21 Craig Silverstein <csilvers@google.com>
5421 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
5422 Include symbol version in error message.
5424 2008-07-20 Chris Demetriou <cgd@google.com>
5426 * configure.ac (gold_cv_c_random_seed): New configured variable.
5427 (RANDOM_SEED_CFLAGS): New substituted variable.
5428 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
5429 * configure: Rebuild.
5430 * Makefile.in: Likewise.
5431 * testsuite/Makefile.in: Likewise.
5433 2008-07-18 Ian Lance Taylor <iant@google.com>
5435 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
5436 where we see NAME/NULL and NAME/VERSION as separate symbols.
5437 * testsuite/ver_test_main.cc (main): Call t4.
5438 (t4, t4_2a): Define.
5439 * testsuite/ver_test_2.cc (t4_2): Define.
5440 * testsuite/ver_test_2.script: Put t4_2a in VER2.
5441 * testsuite/ver_test_4.cc (t4_2a): Define.
5442 * testsuite/ver_test_4.script: Put t4_2a in VER2.
5443 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
5445 2008-07-17 Ian Lance Taylor <iant@google.com>
5447 * dynobj.cc (Versions::add_def): If we give an error about a
5448 missing version, go ahead and create the version anyhow.
5450 2008-07-10 Ian Lance Taylor <iant@google.com>
5452 Handle output sections with more than 0x7fffffff bytes.
5453 * object.h (class Relobj): Change map_to_output_ to
5454 output_sections_, and just keep a section pointer. Change all
5455 uses. Move comdat group support to Sized_relobj.
5456 (Relobj::is_section_specially_mapped): Remove.
5457 (Relobj::output_section): Remove poff parameter. Change all
5459 (Relobj::output_section_offset): New function.
5460 (Relobj::set_section_offset): Rewrite.
5461 (Relobj::map_to_output): Remove.
5462 (Relobj::output_sections): New function.
5463 (Relobj::do_output_section_offset): New pure virtual function.
5464 (Relobj::do_set_section_offset): Likewise.
5465 (class Sized_relobj): Add section_offsets_ field. Add comdat
5466 group support from Relobj. Update declarations.
5467 (Sized_relobj::get_output_section_offset): New function.
5468 (Sized_relobj::do_output_section_offset): New function.
5469 (Sized_relobj::do_set_section_offset): New function.
5470 * object.cc (Relobj::output_section_address): Remove.
5471 (Sized_relobj::Sized_relobj): Initialize new fields.
5472 (Sized_relobj::include_section_group): Cast find_kept_object to
5474 (Sized_relobj::include_linkonce_section): Likewise.
5475 (Sized_relobj::do_layout): Use separate arrays for output section
5477 (Sized_relobj::do_count_local_symbols): Change map_to_output to
5479 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
5480 output_sections and section_offsets.
5481 (Sized_relobj::write_local_symbols): Likewise.
5482 (map_to_kept_section): Compute output address directly.
5483 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
5484 output_sections and section_offsets.
5485 (Sized_relobj::write_sections): Likewise.
5486 (Sized_relobj::relocate_sections): Likewise.
5487 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
5488 * output.h (class Output_reloc): Update declarations. Change
5489 u2_.relobj to Sized_relobj*.
5490 (class Output_data_reloc): Change add functions to use
5492 * output.cc (Output_reloc::Output_reloc): Change relobj to
5494 (Output_reloc::local_section_offset): Change return type to
5495 Elf_Addr. Use get_output_section_offset.
5496 (Output_reloc::get_address): Likewise.
5497 (Output_section::is_input_address_mapped): Don't call
5498 is_section_specially_mapped.
5499 (Output_section::output_offset): Likewise.
5500 (Output_section::output_address): Likewise.
5501 (Output_section::starting_output_address): Likewise.
5502 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
5503 parameter to Sized_relobj*.
5504 (Copy_relocs::need_copy_reloc): Likewise.
5505 (Copy_relocs::save): Likewise.
5506 * copy-relocs.h (class Copy_relocs): Update declarations.
5507 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
5508 Sized_relobj*. Change relobj_ field to Sized_relobj*.
5509 * target-reloc.h (relocate_for_relocatable): Change
5510 offset_in_output_section type to Elf_Addr. Change code that uses
5512 * layout.cc (Layout::layout): Always set *off.
5513 * mapfile.cc (Mapfile::print_input_section): Use
5514 output_section_offset.
5515 * i386.cc (Target_i386::copy_reloc): Change object parameter to
5517 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
5518 * sparc.cc (Target_sparc::copy_reloc): Likewise.
5519 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
5521 2008-07-03 Ian Lance Taylor <iant@google.com>
5523 * layout.cc (Layout::include_section): Do not discard unrecognized
5524 SHT_STRTAB sections.
5526 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
5528 * script.cc (Lex::can_continue_name): Make '?' allowable in
5529 version-script names.
5530 * testsuite/version_script.map: Change glob pattern to use '?'
5532 2008-06-30 Manish Singh <yosh@gimp.org>
5535 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
5538 2008-06-30 Ian Lance Taylor <iant@google.com>
5542 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
5543 versions]: Don't try to read the value in the contents, since we
5544 don't use it. Use the template endianness when writing.
5546 2008-06-25 Cary Coutant <ccoutant@google.com>
5548 * fileread.cc (File_read::make_view): Assert on zero-length view.
5549 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
5550 symbol table when there are no symbols to read.
5552 2008-06-23 Craig Silverstein <csilvers@google.com>
5554 * version.cc (version_string): Bump to 1.7
5556 2008-06-18 Craig Silverstein <csilvers@google.com>
5558 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
5559 constant 0xFFFF to type Valtype.
5560 (Powerpc_relocate_functions::rel16_ha): Likewise.
5562 2008-06-17 Ian Lance Taylor <iant@google.com>
5564 * output.h (Output_section::Input_section): Initialize p2align_ to
5565 zero for Output_section_data constructors.
5566 (Output_section::Input_section::addralign): If not an input
5567 section, return the alignment of the Output_section_data.
5568 * testsuite/copy_test.cc: New file.
5569 * testsuite/copy_test_1.cc: New file.
5570 * testsuite/copy_test_2.cc: New file.
5571 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
5572 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
5573 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
5574 (copy_test_1_pic.o, copy_test_1.so): New targets.
5575 (copy_test_2_pic.o, copy_test_2.so): New targets.
5576 * testsuite/Makefile.in: Rebuild.
5578 * script-sections.cc (Script_sections::place_orphan): Initialize
5579 local variable exact.
5581 2008-06-13 David Edelsohn <edelsohn@gnu.org>
5583 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
5585 2008-06-12 David Edelsohn <edelsohn@gnu.org>
5586 David S. Miller <davem@davemloft.net>
5588 * powerpc.cc: New file.
5589 * Makefile.am (TARGETSOURCES): Add powerpc.cc
5590 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
5591 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
5592 * Makefile.in: Rebuild.
5594 2008-06-09 Ian Lance Taylor <iant@google.com>
5596 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
5598 (throwing, orig_terminate): New static variables.
5599 (terminate_handler): New static function.
5600 (t2): Set terminate handler.
5602 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
5605 * binary.cc (Binary_to_elf::sized_convert): Fix .data
5608 2008-05-30 Cary Coutant <ccoutant@google.com>
5610 * archive.cc (Archive::include_all_members) Correct to step
5611 over symbol table and extended name table in thin archives.
5613 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
5616 * target-reloc.h (relocate_for_relocatable): Fix new_offset
5619 2008-05-28 Caleb Howe <cshowe@google.com>
5621 * reduced_debug_output.cc: New file.
5622 * reduced_debug_output.h: New file.
5623 * options.h (class General_options): Add --strip-debug-non-line.
5624 * options.cc (General_options::finalize): Add strip_debug_non_line
5625 to the strip heirarchy.
5626 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
5628 * layout.cc: Include "reduced_debug_output.h".
5629 (Layout::Layout): Initialize new fields.
5630 (line_only_debug_sections): New static array.
5631 (is_lines_only_debug_sections): New static inline function.
5632 (Layout::include_section): Handle --strip-debug-non-line.
5633 (Layout::make_output_section): If --strip-debug-non-line, build
5634 new output sections for .debug_abbrev and .debug_info.
5635 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
5636 gold. Warn about possible overflow.
5637 (read_signed_LEB_128): Likewise.
5638 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
5639 (read_signed_LEB_128): Declare.
5640 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
5641 (HFILES): Add reduced_debug_output.h.
5642 * Makefile.in: Rebuild.
5644 2008-05-21 Ian Lance Taylor <iant@google.com>
5646 * mapfile.cc: New file.
5647 * mapfile.h: New file.
5648 * options.h (class General_options): Add -M/--print-map and -Map.
5649 * options.cc (General_options::finalize): Make -M equivalent to
5651 * main.cc: Include <cstdio> and "mapfile.h".
5652 (main): Open mapfile if requested.
5653 * gold.cc (class Middle_runner): Add mapfile_ field. Update
5654 constructor. Change caller.
5655 (queue_initial_tasks): Add mapfile parameter. Change caller.
5656 (queue_middle_tasks): Likewise.
5657 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
5659 * archive.cc: Include "mapfile.h".
5660 (Archive::add_symbols): Add mapfile parameter. Change all
5661 callers. Pass mapfile, symbol, and reason to include_member.
5662 (Archive::include_all_members): Add mapfile parameter. Change all
5664 (Archive::include_member): Add mapfile, sym, and why parameters.
5665 Change all callers. Report inclusion to map file.
5666 * archive.h: Include "fileread.h".
5667 (class Archive): Update declarations.
5668 (Archive::file): New const method.
5669 (class Add_archive_symbols): Add mapfile_ field. Update
5670 constructor. Change all callers.
5671 * readsyms.h (class Read_symbols): Likewise.
5672 (class Finish_group): Likewise.
5673 (class Read_script): Likewise.
5674 * common.cc: Include "mapfile.h".
5675 (Symbol_table::allocate_commons): Add mapfile parameter. Change
5677 (Symbol_table::do_allocate_commons): Likewise.
5678 (Symbol_table::do_allocate_commons_list): Likewise. Report common
5679 symbol allocation to mapfile.
5680 * common.h (class Allocate_commons_task): Add mapfile_ field.
5681 Update constructor. Change all callers.
5682 * symtab.h (class Symbol_table): Update declarations.
5683 * layout.cc: Include "mapfile.h".
5684 (Layout_task_runner::run): Print information to mapfile.
5685 (Layout::create_gold_note): Change Output_data_fixed_space to
5686 Output_data_zero_fill.
5687 (Layout::create_build_id): Likewise.
5688 (Layout::print_to_mapfile): New function.
5689 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
5690 constructor. Change caller.
5691 (class Layout): Declare print_to_mapfile.
5692 * output.cc (Output_section::Input_section::print_to_mapfile): New
5694 (Output_section::add_input_section): If producing a map, always
5695 add to input_sections_ list.
5696 (Output_section::do_print_to_mapfile): New function.
5697 (Output_segment::print_sections_to_mapfile): New function.
5698 (Output_segment::print_section_list_to_mapfile): New function.
5699 * output.h: Include "mapfile.h".
5700 (Output_data::print_to_mapfile): New function.
5701 (Output_data::do_print_to_mapfile): New virtual function.
5702 (Output_segment_headers::do_print_to_mapfile): New function.
5703 (Output_file_header::do_print_to_mapfile): New function.
5704 (Output_data_const::do_print_to_mapfile): New function.
5705 (class Output_data_const_buffer): Add map_name_ field. Update
5706 constructor. Change all callers. Add do_print_to_mapfile
5708 (class Output_data_fixed_space): Likewise.
5709 (class Output_data_space): Likewise.
5710 (class Output_data_zero_fill): New class.
5711 (Output_data_strtab::do_print_to_mapfile): New function.
5712 (Output_data_reloc_base::do_print_to_mapfile): New function.
5713 (Output_relocatable_relocs::do_print_to_mapfile): New function.
5714 (Output_data_group::do_print_to_mapfile): New function.
5715 (Output_data_got::do_print_to_mapfile): New function.
5716 (Output_data_dynamic::do_print_to_mapfile): New function.
5717 (Output_symtab_xindex::do_print_to_mapfile): New function.
5718 (class Output_section): Declare do_print_to_mapflie. Declare
5719 print_to_mapfile in Input_section.
5720 (class Output_segment): Declare new functions.
5721 * object.h (Sized_relobj::symbol_count): New function.
5722 * script-sections.cc
5723 (Output_section_element_dot_assignment::set_section_addresses):
5724 Change Output_data_fixed_space to Output_data_zero_fill.
5725 (Output_data_expression::do_print_to_mapfile): New function.
5726 * script.cc (read_input_script): Add mapfile parameter. Change
5728 * script.h (read_input_script): Update declaration.
5729 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
5730 (Eh_frame::do_print_to_mapfile): New function.
5731 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
5732 (Output_merge_string::do_print_to_mapfile): New function.
5733 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
5735 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
5737 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
5739 * Makefile.am (CCFILES): Add mapfile.cc.
5740 (HFILES): Add mapfile.h.
5741 * Makefile.in: Rebuild.
5743 2008-05-19 Ian Lance Taylor <iant@google.com>
5745 * options.h (class General_options): Add -z relro.
5746 * layout.cc (Layout::Layout): Initialize relro_segment_.
5747 (Layout::add_output_section_data): Return the output section.
5748 (Layout::make_output_section): Rcognize relro sections and mark
5750 (Layout::attach_allocated_section_to_segment): Put relro sections
5751 in a PT_GNU_RELRO segment.
5752 (Layout::create_initial_dynamic_sections): Mark the .dynamic
5754 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
5756 (Layout::linkonce_mapping): Map d.rel.ro.local to
5758 (Layout::output_section_name): Us .data.rel.ro.local for any
5759 section which begins with that.
5760 * layout.h (class Layout): Update add_output_section_data
5761 declaration. Add relro_segment_ field.
5762 * output.cc (Output_section::Output_section): Initialize is_relro_
5763 and is_relro_local_ fields.
5764 (Output_segment::add_output_section): Group relro sections.
5765 (Output_segment::is_first_section_relro): New function.
5766 (Output_segment::maximum_alignment): If there is a relro section,
5767 align the segment to the common page size.
5768 (Output_segment::set_section_addresses): Track whether we are
5769 looking at relro sections. If the last section is a relro
5770 section, align to the common page size.
5771 (Output_segment::set_section_list_addresses): Add in_relro
5772 parameter. Change all callers. Align to the page size when
5773 moving from relro to non-relro section.
5774 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
5776 * output.h (class Output_section): Add is_relro_ and
5777 is_relro_local_ fields.
5778 (Output_section::is_relro): New function.
5779 (Output_section::set_is_relro): New function.
5780 (Output_section::is_relro_local): New function.
5781 (Output_section::set_is_relro_local): New function.
5782 (class Output_segment): Update declarations.
5783 * i386.cc (Target_i386::got_section): Mark .got section as relro.
5784 * sparc.cc (Target_sparc::got_section): Likewise.
5785 * x86_64.cc (Target_x86_64::got_section): Likewise.
5786 * testsuite/relro_test_main.cc: New file.
5787 * testsuite/relro_test.cc: New file.
5788 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
5789 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
5790 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
5791 (relro_test.so, relro_test_pic.o): New targets.
5792 * testsuite/Makefile.in: Rebuild.
5794 2008-05-16 Ian Lance Taylor <iant@google.com>
5796 * output.cc (Output_segment::add_output_section): Remove front
5798 * output.h (class Output_segment): Remove
5799 add_initial_output_section and overloaded add_output_section.
5800 Update declaration of remaining add_output_section.
5801 * layout.cc (Layout::create_interp): Call add_output_section
5802 rather than add_initial_output_section.
5803 (Layout::finish_dynamic_section): Likewise.
5805 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
5806 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
5807 know the dynamic type.
5808 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
5809 field. Initialize it in constructor.
5810 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
5811 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
5812 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
5815 * output.cc (Output_reloc::get_address): Change return type to
5817 * output.h (class Output_reloc): Update get_address declaration.
5818 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
5819 for section addresses.
5821 2008-05-09 Ian Lance Taylor <iant@google.com>
5824 * gold.cc (gold_nomem): Use return value of write.
5826 2008-05-08 Ian Lance Taylor <iant@google.com>
5828 * symtab.c (Symbol::init_base_output_data): Add version
5829 parameter. Change all callers.
5830 (Symbol::init_base_output_segment): Likewise.
5831 (Symbol::init_base_constant): Likewise.
5832 (Symbol::init_base_undefined): Likewise.
5833 (Sized_symbol::init_output_data): Likewise.
5834 (Sized_symbol::init_output_segment): Likewise.
5835 (Sized_symbol::init_constant): Likewise.
5836 (Sized_symbol::init_undefined): Likewise.
5837 (Symbol_table::do_define_in_output_data): If the new symbol has a
5838 version, mark it as the default.
5839 (Symbol_table::do_define_in_output_segment): Likewise.
5840 (Symbol_table::do_define_as_constant): Likewise.
5841 * symtab.h (class Symbol): Update declarations.
5842 (class Sized_symbol): Likewise.
5843 * resolve.cc (Symbol::override_version): New function.
5844 (Symbol::override_base): Call override_version.
5845 (Symbol::override_base_with_special): Likewise.
5846 * testsuite/ver_script_8.script: New file.
5847 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
5848 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
5849 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
5850 (ver_test_8_1.so, ver_test_8_2.so): New targets.
5852 2008-05-06 Ian Lance Taylor <iant@google.com>
5855 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
5857 (class General_options): Remove existing --undefined, and add
5858 --no-undefined instead. Add new --undefined as synonym for -u.
5859 * archive.cc (Archive::add_symbols): Check whether symbol was
5861 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
5862 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
5863 all uses. Add IS_UNDEFINED. Update declarations to split
5864 different versions of init_base. Declare init_base_undefined.
5865 (Symbol::is_defined): Handle IS_UNDEFINED.
5866 (Symbol::is_undefined): Likewise.
5867 (Symbol::is_weak_undefined): Call is_undefined.
5868 (Symbol::is_absolute): Handle IS_CONSTANT.
5869 (class Sized_symbol): Update declarations to split different
5870 versions of init. Declare init_undefined.
5871 (class Symbol_table): Declare new functions.
5872 * symtab.cc (Symbol::init_base_object): Rename from init_base.
5874 (Symbol::init_base_output_data): Likewise.
5875 (Symbol::init_base_output_segment): Likewise.
5876 (Symbol::init_base_constant): Likewise.
5877 (Symbol::init_base_undefined): New function.
5878 (Sized_symbol::init_object): Rename from init. Change all
5880 (Sized_symbol::init_output_data): Likewise.
5881 (Sized_symbol::init_output_segment): Likewise.
5882 (Sized_symbol::init_constant): Likewise.
5883 (Sized_symbol::init_undefined): New function.
5884 (Symbol_table::add_undefined_symbols_from_command_line): New
5886 (Symbol_table::do_add_undefined_symbols_from_command_line): New
5888 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
5889 (Symbol::output_section): Likewise.
5890 (Symbol::set_output_section): Likewise.
5891 (Symbol_table::sized_finalize_symbol): Likewise.
5892 (Symbol_table::sized_write_globals): Likewise.
5893 * resolve.cc (Symbol_table::should_override): Likewise.
5894 (Symbol::override_base_with_special): Likewise.
5896 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
5897 symbol, change it to have default visibility.
5898 * testsuite/protected_1.cc: New file.
5899 * testsuite/protected_2.cc: New file.
5900 * testsuite/protected_3.cc: New file.
5901 * testsuite/protected_main_1.cc: New file.
5902 * testsuite/protected_main_2.cc: New file.
5903 * testsuite/protected_main_3.cc: New file.
5904 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
5905 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
5906 (protected_1_LDFLAGS, protected_1_LDADD): Define.
5907 (protected_1.so): New target.
5908 (protected_1_pic.o, protected_2_pic.o): New targets.
5909 (protected_3_pic.o): New target.
5910 (check_PROGRAMS): Add protected_2.
5911 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
5912 (protected_2_LDFLAGS, protected_2_LDADD): Define.
5913 * testsuite/Makefile.in: Rebuild.
5915 * options.h (DEFINE_var): Add set_user_set_##varname__.
5916 (DEFINE_bool_alias): New macro.
5917 (class General_options): Define -Bstatic using DEFINE_bool_alias
5918 rather than DEFINE_special. Add --undefined as an alias for -z
5920 * options.cc (General_options::parse_Bstatic): Remove.
5922 * options.h (class General_options): Add --fatal-warnings.
5923 * main.cc (main): Implement --fatal-warnings.
5924 * errors.h (Errors::warning_count): New function.
5926 * options.h (class General_options): Add -Bsymbolic-functions.
5927 * symtab.h (Symbol::is_preemptible): Check for
5928 -Bsymbolic-functions.
5930 2008-05-05 Ian Lance Taylor <iant@google.com>
5932 * options.h (DEFINE_bool): For DASH_Z, create the negative option
5933 as noVARNAME rather than no-VARNAME.
5934 (class General_options): Add option -z combreloc.
5935 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
5937 (Output_reloc::sort_before) [SHT_REL]: New function.
5938 (Output_reloc::sort_before) [SHT_RELA]: New function.
5939 (class Output_data_reloc_base): Add sort_relocs_ field. Define
5940 Sort_relocs_comparison.
5941 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
5942 parameter. Change all callers.
5943 (Output_data_reloc::Output_data_reloc) [both versions]: Add
5944 sort_relocs parameter. Change all callers.
5945 * output.cc (Output_reloc::get_address): New function, broken out
5947 (Output_reloc::write_rel): Call it.
5948 (Output_reloc::compare): New function.
5949 (Output_data_reloc_base::do_write): Optionally sort relocs.
5951 * configure.ac: If targ_extra_obj is set, link it in.
5952 * configure.tgt: Initialize all variables.
5953 (x86_64*): Set targ_extra_obj and targ_extra_size.
5954 * configure: Rebuild.
5956 * object.cc (Sized_relobj::include_section_group): Adjust section
5957 indexes read from group data. Build vector to pass to
5959 * layout.cc (Layout::layout_group): Add flags and shndxes
5960 parameters. Remove contents parameter. Change caller. Update
5961 explicit instantiations.
5962 * layout.h (class Layout): Update layout_group declaration.
5963 * output.cc (Output_data_group::Output_data_group): Add flags and
5964 input_shndxes parameters. Remove contents parameter. Change
5966 (Output_data_group::do_write): Change input_sections_ to
5968 * output.h (class Output_data_group): Update constructor
5969 declaration. Rename input_sections_ to input_shndxes_.
5970 * testsuite/many_sections_test.cc: Add template.
5972 2008-04-30 Cary Coutant <ccoutant@google.com>
5974 * target-reloc.h (relocate_section): Fix dead-pointer bug.
5976 * layout.cc (Layout::include_section): Refactored check for debug
5978 (Layout::add_comdat): Add new parameters. Change type
5979 of signature parameter. Add object and shndx to signatures table.
5980 (Layout::find_kept_object): New function.
5981 * layout.h: Include <cstring>.
5982 (Layout::is_debug_info_section): New function.
5983 (Layout::add_comdat): Add new parameters.
5984 (Layout::find_kept_object): New function.
5985 (Layout::Kept_section): New struct.
5986 (Layout::Signatures): Change type of map range.
5987 * object.cc (Relobj::output_section_address): New function.
5988 (Sized_relobj::include_section_group): Add new parameters. Change
5989 calls to Layout::add_comdat. Change to build table of kept comdat
5990 groups and table mapping discarded sections to kept sections.
5991 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
5992 (Sized_relobj::do_layout): Change calls to include_section_group and
5993 include_linkonce_section.
5994 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
5995 value to zero when section is discarded.
5996 (Sized_relobj::map_to_kept_section): New function.
5997 * object.h (Relobj::output_section_address): New function.
5998 (Relobj::Comdat_group): New type.
5999 (Relobj::find_comdat_group): New function.
6000 (Relobj::Comdat_group_table): New type.
6001 (Relobj::Kept_comdat_section): New type.
6002 (Relobj::Kept_comdat_section_table): New type.
6003 (Relobj::add_comdat_group): New function.
6004 (Relobj::set_kept_comdat_section): New function.
6005 (Relobj::get_kept_comdat_section): New function.
6006 (Relobj::comdat_groups_): New field.
6007 (Relobj::kept_comdat_sections_): New field.
6008 (Symbol_value::input_value): Update comment.
6009 (Sized_relobj::map_to_kept_section) New function.
6010 (Sized_relobj::include_linkonce_section): Add new parameter.
6011 * target-reloc.h (Comdat_behavior): New type.
6012 (get_comdat_behavior): New function.
6013 (relocate_section): Add code to map a discarded section to the
6014 corresponding kept section when applying a relocation.
6016 2008-04-30 Craig Silverstein <csilvers@google.com>
6018 * dwarf_reader.cc (next_generation_count): New static var.
6019 (Addr2line_cache_entry): New struct.
6020 (addr2line_cache): New static var.
6021 (Dwarf_line_info::one_addr2line): Added caching.
6022 (Dwarf_line_info::clear_addr2line_cache): New function.
6023 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
6024 cache-size parameter.
6025 (Dwarf_line_info::one_addr2line_cache): New function.
6026 * symtab.cc (Symbol_table::detect_odr_violations): Pass
6027 new cache-size argument to one_addr2line(), and clear cache.
6029 2008-04-28 Cary Coutant <ccoutant@google.com>
6031 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
6032 R_386_PC8 relocations.
6034 2008-04-23 Ian Lance Taylor <iant@google.com>
6036 * object.cc (Sized_relobj::include_section_group): Check for
6037 invalid section group.
6039 * object.cc (make_elf_object): Correct test for 64-bit ELF file
6042 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
6043 than read for file header.
6044 * archive.cc (Archive::include_member): Likewise.
6046 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
6048 * aclocal.m4: Regenerate.
6049 * configure: Regenerate.
6051 2008-04-19 Ian Lance Taylor <iant@google.com>
6053 * version.cc (version_string): Bump to 1.6.
6055 * testsuite/Makefile.am (many_sections_r_test): New target.
6056 (many_sections_r_test_SOURCES): Remove.
6057 (many_sections_r_test_DEPENDENCIES): Remove.
6058 (many_sections_r_test_LDFLAGS): Remove.
6059 (many_sections_r_test_LDADD): Remove.
6061 * object.cc (Sized_relobj::do_add_symbols): Always pass
6062 local_symbol_count_ to add_from_relobj.
6064 * testsuite/Makefile.am (many_sections_check.h): Only check one in
6065 every thousand variables.
6066 * testsuite/Makefile.in: Rebuild.
6068 * object.cc (Xindex::initialize_symtab_xindex): New function.
6069 (Xindex::read_symtab_xindex): New function.
6070 (Xindex::sym_xindex_to_shndx): New function.
6071 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
6073 (Sized_relobj::do_initialize_xindex): New function.
6074 (Sized_relobj::do_read_symbols): Adjust section links.
6075 (Sized_relobj::symbol_section_and_value): Add is_ordinary
6076 parameter. Change all callers.
6077 (Sized_relobj::include_section_group): Adjust section links and
6078 symbol section indexes.
6079 (Sized_relobj::do_layout): Adjust section links.
6080 (Sized_relobj::do_count_local_symbols): Adjust section links and
6081 symbol section indexes.
6082 (Sized_relobj::do_finalize_local_symbols): Distinguish between
6083 ordinary and special symbols.
6084 (Sized_relobj::write_local_symbols): Add symtab_xindex and
6085 dynsym_xindex parameters. Change all callers. Adjust section
6086 links. Use SHN_XINDEX when needed.
6087 (Sized_relobj::get_symbol_location_info): Adjust section links.
6088 Don't get fooled by special symbols.
6089 * object.h (class Xindex): Define.
6090 (class Object): Add xindex_ parameter. Declare virtual functoin
6091 do_initialize_xindex.
6092 (Object::adjust_sym_shndx): New function.
6093 (Object::set_xindex): New protected function.
6094 (class Symbol_value): Add is_ordinary_shndx_ field.
6095 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
6096 (Symbol_value::value): Assert ordinary section.
6097 (Symbol_value::initialize_input_to_output_map): Likewise.
6098 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
6100 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
6102 (class Sized_relobj): Update declarations.
6103 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
6104 parameter. Change all callers.
6105 (Sized_relobj::adjust_shndx): New function.
6106 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
6108 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
6109 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
6110 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
6111 (Sized_dynobj::read_dynsym_section): Adjust section links.
6112 (Sized_dynobj::read_dynamic): Likewise.
6113 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
6115 (Sized_dynobj::do_initialize_xindex): New function.
6116 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
6117 do_initialize_xindex.
6118 (Sized_dynobj::adjust_shndx): New function.
6119 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
6120 dynsym_xindex_ fields.
6121 (Layout::finalize): Add a call to set_section_indexes before
6122 creating the symtab sections.
6123 (Layout::set_section_indexes): Don't do anything if the section
6124 already has a section index.
6125 (Layout::create_symtab_sections): Add shnum parameter. Change
6126 caller. Create .symtab_shndx section if needed.
6127 (Layout::create_shdrs): Add shstrtab_section parameter. Change
6129 (Layout::allocated_output_section_count): New function.
6130 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
6132 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
6133 fields. Update declarations.
6134 (Layout::symtab_xindex): New function.
6135 (Layout::dynsym_xindex): New function.
6136 (class Write_symbols_task): Add layout_ field.
6137 (Write_symbols_task::Write_symbols_task): Add layout parameter.
6139 * output.cc (Output_section_headers::Output_section_headers): Add
6140 shstrtab_section parameter. Change all callers.
6141 (Output_section_headers::do_sized_write): Store overflow values
6142 for section count and section string table section index in
6143 section header zero.
6144 (Output_file_header::do_sized_write): Check for overflow of
6145 section count and section string table section index.
6146 (Output_symtab_xindex::do_write): New function.
6147 (Output_symtab_xindex::endian_do_write): New function.
6148 * output.h (class Output_section_headers): Add shstrtab_section_.
6149 Update declarations.
6150 (class Output_symtab_xindex): Define.
6151 (Output_section::has_out_shndx): New function.
6152 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
6154 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
6156 (Sized_symbol::init): Likewise.
6157 (Symbol::output_section): Check for ordinary symbol.
6158 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
6159 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
6161 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
6162 Change all callers. Simplify handling of symbols from sections
6163 not included in the link.
6164 (Symbol_table::add_from_dynobj): Handle ordinary symbol
6166 (Weak_alias_sorter::operator()): Assert that symbols are
6168 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
6170 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
6171 parameters. Change all callers.
6172 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
6173 symbol distinction. Use SHN_XINDEX when needed.
6174 (Symbol_table::write_section_symbol): Add symtab_xindex
6175 parameter. Change all callers.
6176 (Symbol_table::sized_write_section_symbol): Likewise. Use
6177 SHN_XINDEX when needed.
6178 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
6180 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
6181 (Symbol::is_defined): Check is_ordinary.
6182 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
6183 (Symbol::is_absolute, Symbol::is_common): Likewise.
6184 (class Sized_symbol): Update declarations.
6185 (class Symbol_table): Update declarations.
6186 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
6187 parameters. Change all callers.
6188 (Sized_symbol::override): Likewise.
6189 (Symbol_table::override): Likewise.
6190 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
6191 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
6192 is_ordinary, and orig_st_shndx parameters. Change all callers.
6193 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
6194 to be in an ordinary section.
6195 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
6196 object and is_ordinary parameters. Change all callers.
6197 (Sized_dwarf_line_info::read_relocs): Add object parameter.
6198 Change all callers. Don't add undefined or non-ordinary symbols
6200 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
6202 * dwarf_reader.h (class Sized_dwarf_line_info): Update
6204 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
6205 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
6206 (Sized_relobj::relocate_sections): Likewise.
6207 * target-reloc.h (scan_relocs): Adjust section symbol index.
6208 (scan_relocatable_relocs): Likewise.
6209 * i386.cc (Scan::local): Check for ordinary symbols.
6210 * sparc.cc (Scan::local): Likewise.
6211 * x86_64.cc (Scan::local): Likewise.
6212 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
6213 to symbol_section_and_value.
6214 * testsuite/many_sections_test.cc: New file.
6215 * testsuite/Makefile.am (BUILT_SOURCES): Define.
6216 (check_PROGRAMS): Add many_sections_test.
6217 (many_sections_test_SOURCES): Define.
6218 (many_sections_test_DEPENDENCIES): Define.
6219 (many_sections_test_LDFLAGS): Define.
6220 (BUILT_SOURCES): Add many_sections_define.h.
6221 (many_sections_define.h): New target.
6222 (BUILT_SOURCES): Add many_sections_check.h.
6223 (many_sections_check.h): New target.
6224 (check_PROGRAMS): Add many_sections_r_test.
6225 (many_sections_r_test_SOURCES): Define.
6226 (many_sections_r_test_DEPENDENCIES): Define.
6227 (many_sections_r_test_LDFLAGS): Define.
6228 (many_sections_r_test_LDADD): Define.
6229 (many_sections_r_test.o): New target.
6230 * testsuite/Makefile.in: Rebuild.
6232 2008-04-17 Cary Coutant <ccoutant@google.com>
6234 * errors.cc (Errors::info): New function.
6235 (gold_info): New function.
6236 * errors.h (Errors::info): New function.
6237 * gold.h (gold_info): New function.
6238 * object.cc (Input_objects::add_object): Print trace output.
6239 * options.cc (options::parse_set): New function.
6240 (General_options::parse_wrap): Deleted.
6241 (General_options::General_options): Deleted initializer.
6242 * options.h (options::String_set): New typedef.
6243 (options::parse_set): New function.
6244 (DEFINE_set): New macro.
6245 (General_options::wrap): Changed to use DEFINE_set. Changed
6246 callers of any_wrap_symbols and is_wrap_symbol.
6247 (General_options::trace, General_options::trace_symbol):
6249 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
6250 (General_options::wrap_symbols_): Deleted.
6251 * symtab.cc (Symbol_table::add_from_object): Print trace output.
6253 2008-04-17 David S. Miller <davem@davemloft.net>
6255 * options.cc (General_options::parse_V): New function.
6256 * options.h: Add entries for -V and -Qy.
6258 2008-04-17 Ian Lance Taylor <iant@google.com>
6260 * common.cc (Symbol_table::allocate_commons): Remove options
6261 parameter. Change caller.
6262 (Symbol_table::do_allocate_commons): Remove options parameter.
6263 Change caller. Just call do_allocate_commons_list twice.
6264 (Symbol_table::do_allocate_commons_list): New function, broken out
6265 of do_allocate_commons.
6266 * common.h (class Allocate_commons_task): Remove options_ field.
6268 * symtab.cc (Symbol_table::Symbol_table): Initialize
6270 (Symbol_table::add_from_object): Put TLS common symbols on
6272 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
6273 which are IN_OUTPUT_DATA.
6274 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
6275 allocate_commons and do_allocate_commons declarations. Declare
6276 do_allocate_commons_list.
6277 * gold.cc (queue_middle_tasks): Update creation of
6278 Allocate_commons_task to not pass options.
6279 * testsuite/Makefile.am (INCLUDES): Add -I.. .
6280 (TLS_TEST_C_FLAGS): New variable.
6281 (tls_test_c_pic.o): New target.
6282 (tls_test_shared.so): Link in tls_test_c_pic.o.
6283 (tls_test_c_pic_ie.o): New target.
6284 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
6285 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
6286 (tls_test_c.o): New target.
6287 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
6288 (tls_pic_test_LDADD): Likewise.
6289 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
6290 (tls_shared_gd_to_ie_test_LDADD): Likewise.
6291 (tls_test_c_gnu2.o): New target.
6292 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
6294 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
6295 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
6296 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
6297 * testsuite/tls_test.cc: Include "config.h".
6298 (t_last): Call t11_last.
6299 * testsuite/tls_test.h (t11, t11_last): Declare.
6300 * testsuite/tls_test_c.c: New file.
6301 * testsuite/tls_test_main.cc (thread_routine): Call t11.
6302 * configure.ac: Check for OpenMP support.
6303 * configure, config.in, Makefile.in: Rebuild.
6304 * testsuite/Makefile.in: Rebuild.
6306 2008-04-16 Cary Coutant <ccoutant@google.com>
6308 * i386.cc (Target_i386::define_tls_base_symbol): New function.
6309 (Target_i386::tls_base_symbol_defined_): New field.
6310 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6311 (Target_i386::Scan::global): Likewise.
6312 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
6313 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
6314 (Target_x86_64::tls_base_symbol_defined_): New field.
6315 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
6316 (Target_x86_64::Scan::global): Likewise.
6318 2008-04-16 Cary Coutant <ccoutant@google.com>
6320 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
6321 (Symbol::needs_plt_entry): Allow weak undefined symbols.
6322 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
6323 building shared libraries.
6324 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
6325 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
6326 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
6327 * testsuite/Makefile.in: Rebuild.
6328 * testsuite/weak_undef.h: New file.
6329 * testsuite/weak_undef_file1.cc: Add extra test cases.
6330 * testsuite/weak_undef_file2.cc: Likewise.
6331 * testsuite/weak_undef_test.cc: Likewise.
6333 2008-04-16 David S. Miller <davem@davemloft.net>
6335 * sparc.cc (Target_sparc::Scan): Change from struct to class.
6336 Add issued_non_pic_error_ field. Declare check_non_pic.
6337 (Target_sparc::Scan::check_non_pic): New function.
6338 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
6339 (Target_sparc::Scan::global): Likewise.
6341 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
6342 * configure: Rebuild.
6344 * options.h (DEFINE_enable): New macro.
6345 (new_dtags): New enable option.
6346 (initfirst, interpose, loadfltr, nodefaultlib,
6347 nodelete, nodlopen, nodump): New -z options.
6348 * layout.cc (Layout:finish_dynamic_section): If new
6349 dtags enabled, emit DT_RUNPATH. Also, emit a
6350 DT_FLAGS_1 containing any specified -z flags.
6352 2008-04-16 Ian Lance Taylor <iant@google.com>
6354 * copy-relocs.cc: New file.
6355 * copy-relocs.h: New file.
6356 * reloc.cc: Remove Copy_relocs code.
6357 * reloc.h: Likewise.
6358 * reloc-types.h (struct Reloc_types) [both versions]: Add
6359 get_reloc_addend_noerror.
6360 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
6361 variants of add_global which take an addend which must be zero.
6362 * i386.cc: Include "copy-relocs.h".
6363 (class Target_i386): Change type of copy_relocs_ to variable,
6365 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
6367 (Target_i386::do_finalize_sections): Change handling of
6369 * sparc.cc: Include "copy-relocs.h".
6370 (class Target_sparc): Change type of copy_relocs_ to variable,
6372 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
6374 (Target_sparc::do_finalize_sections): Change handling of
6376 * x86_64.cc: Include "copy-relocs.h".
6377 (class Target_x86_64): Change type of copy_relocs_ to variable,
6379 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
6380 class. Change all callers.
6381 (Target_x86_64::do_finalize_sections): Change handling of
6383 * Makefile.am (CCFILES): Add copy-relocs.cc.
6384 (HFILES): Add copy-relocs.h.
6386 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
6388 * testsuite/script_test_4.sh: Permit leading zeroes.
6390 2008-04-15 Ian Lance Taylor <iant@google.com>
6392 * script-sections.cc (Script_sections::create_segments): Use
6393 header_size_adjustment even when there is enough room for the
6395 * testsuite/script_test_4.sh: New file.
6396 * testsuite/script_test_4.t: New file.
6397 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
6398 (check_DATA): Add script_test_4.stdout.
6399 (MOSTLYCLEANFILES): Likewise.
6400 (script_test_4): New target.
6401 (script_test_4.stdout): New target.
6402 * testsuite/Makefile.in: Rebuild.
6404 * sparc.cc: Add definitions for Output_data_plt_sparc class
6407 2008-04-14 David S. Miller <davem@davemloft.net>
6409 * sparc.cc: New file.
6410 * Makefile.am (TARGETSOURCES): Add sparc.cc
6411 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
6412 * configure.tgt: Document targ_extra_size and
6413 targ_extra_big_endian. Add entries for sparc-* and
6415 * configure.ac: Handle targ_extra_size and
6416 targ_extra_big_endian.
6417 * Makefile.in: Rebuild.
6418 * configure: Likewise.
6419 * po/POTFILES.in: Likewise.
6420 * po/gold.pot: Likewise.
6422 2008-04-14 Ian Lance Taylor <iant@google.com>
6424 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
6425 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
6426 in the name/type/flags to section mapping. Don't call
6427 allocate_output_section.
6428 (Layout::choose_output_section): Change parameter from adjust_name
6429 to is_input_section. Don't permit input sections after sections
6430 are attached to segments. Don't call allocate_output_section.
6431 (Layout::layout_eh_frame): Call update_flags_for_input_section,
6432 not write_enable_output_section.
6433 (Layout::make_output_section): Don't push to
6434 unattached_section_list_ nor call attach_to_segment. Call
6435 attach_section_to_segment if sections are attached.
6436 (Layout::attach_sections_to_segments): New function.
6437 (Layout::attach_section_to_segment): New function.
6438 (Layout::attach_allocated_section_to_segment): Rename from
6439 attach_to_segment. Remove flags parameter.
6440 (Layout::allocate_output_section): Remove function.
6441 (Layout::write_enable_output_section): Remove function.
6442 * layout.h (class Layout): Update for above changes. Add new
6443 field sections_are_attached_.
6444 * output.h (Output_section::update_flags_for_input_section): New
6446 * output.cc (Output_section::add_input_section): Call
6447 update_flags_for_input_section.
6448 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
6450 2008-04-11 Cary Coutant <ccoutant@google.com>
6452 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
6453 thought unnecessary.
6454 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
6456 2008-04-11 Ian Lance Taylor <iant@google.com>
6458 * output.h (class Output_section_data): Remove inline definition
6460 * output.cc (Output_section_data::set_addralign): New function.
6462 2008-04-11 Cary Coutant <ccoutant@google.com>
6464 Add support for TLS descriptors for i386 and x86_64.
6465 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
6466 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
6467 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
6469 (Target_i386::got_mod_index_entry): Remove unnecessary code.
6470 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
6471 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
6473 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
6474 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
6475 Fix problem with initial-exec relocations.
6476 (Target_i386::Relocate::relocate_tls): Likewise.
6477 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
6479 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
6480 support for section-plus-offset dynamic table entries.
6481 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
6482 (Output_data_dynamic::Dynamic_entry): Add support for
6483 section-plus-offset dynamic table entries.
6484 (Output_data_dynamic::Classification): Likewise.
6485 (Output_data_dynamic::classification_): Renamed offset_.
6486 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
6487 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
6488 (Target_x86_64::make_plt_section): New function.
6489 (Target_x86_64::reserve_tlsdesc_entries): New function.
6490 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
6491 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
6492 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
6493 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
6494 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
6495 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
6496 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
6497 add extra PLT entry for TLS descriptors.
6498 (Output_data_plt_x86_64::got_): New field.
6499 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
6500 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
6502 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
6504 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
6505 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
6506 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
6507 R_386_TLS_DESC_CALL relocations.
6508 (Target_x86_64::Scan::global): Likewise.
6509 (Target_x86_64::do_finalize_sections): Add dynamic table entries
6510 for TLS descriptors.
6511 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
6512 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
6513 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
6514 GD-to-IE relaxation.
6515 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
6516 and TLS_DESCRIPTORS.
6517 * Makefile.in: Rebuild.
6518 * configure: Rebuild.
6519 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
6520 (tls_test_shared2.so): New target.
6521 (tls_shared_gd_to_ie_test_SOURCES): New variable.
6522 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
6523 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
6524 (tls_shared_gd_to_ie_test_LDADD): New variable.
6525 (tls_shared_gnu2_gd_to_ie_test): New target.
6526 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
6528 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
6529 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
6530 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
6531 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
6532 (tls_shared_gnu2_test): New target.
6533 (tls_test_gnu2_shared.so): New target.
6534 (tls_shared_gnu2_test_SOURCES): New variable.
6535 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
6536 (tls_shared_gnu2_test_LDFLAGS): New variable.
6537 (tls_shared_gnu2_test_LDADD): New variable.
6538 * testsuite/Makefile.in: Rebuild.
6539 * testsuite/Makefile.
6541 2008-04-11 Ian Lance Taylor <iant@google.com>
6543 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
6545 * testsuite/Makefile.in: Rebuild.
6547 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
6549 * testsuite/script_test_2.cc (main): Adjust test.
6551 2008-04-11 David S. Miller <davem@davemloft.net>
6552 Ian Lance Taylor <iant@google.com>
6554 * options.h (General_options): Add entries for '-Y' and
6556 * options.cc (General_options:finalize): If -Y was used, add those
6557 entries to the library path instead of the default "/lib" and
6560 2008-04-11 David S. Miller <davem@davemloft.net>
6562 * testsuite/justsyms.t: Start at 0x100.
6563 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
6564 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
6566 * testsuite/script_test_2.cc: Adjust string and section length
6569 2008-04-09 Ian Lance Taylor <iant@google.com>
6572 * script-sections.cc (Sections_element::allocate_to_segment): Add
6574 (Output_section_definition::allocate_to_segment): Likewise.
6575 (Orphan_output_section::allocate_to_segment): Likewise.
6576 (Script_sections::attach_sections_using_phdrs_clause): Don't
6577 propagate non-PT_LOAD segments to orphan sections.
6578 * testsuite/Makefile.am (script_test_3.stdout): Generate using
6579 readelf rather than objdump.
6580 * testsuite/script_test_3.sh: Adjust accordingly. Test that
6581 .interp section and PT_INTERP segment are the same size.
6582 * testsuite/Makefile.in: Rebuild.
6584 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
6585 aliases for symbols defined in the same object.
6586 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
6587 (weak_alias_test_SOURCES): New variable.
6588 (weak_alias_test_DEPENDENCIES): New variable.
6589 (weak_alias_test_LDFLAGS): New variable.
6590 (weak_alias_test_LDADD): New variable.
6591 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
6592 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
6593 (weak_alias_test_3.o): New target.
6594 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
6595 * testsuite/weak_alias_test_main.cc: New file.
6596 * testsuite/weak_alias_test_1.cc: New file.
6597 * testsuite/weak_alias_test_2.cc: New file.
6598 * testsuite/weak_alias_test_3.cc: New file.
6600 2008-04-08 Ian Lance Taylor <iant@google.com>
6602 * options.h (class General_options): Add --noinhibit-exec option.
6603 * main.cc (main): Check --noinhibit-exec.
6605 * options.h (class General_options): Define --wrap as a special
6606 option. Add wrap_symbols_ field.
6607 (General_options::any_wrap_symbols): New function.
6608 (General_options::is_wrap_symbol): New function.
6609 * options.cc (General_options::parse_wrap): New function.
6610 (General_options::General_options): Initialize wrap_symbols_.
6611 * symtab.cc (Symbol_table::wrap_symbol): New function.
6612 (Symbol_table::add_from_object): Handle --wrap.
6613 * symtab.h (class Symbol_table): Declare wrap_symbol.
6614 * target.h (Target::wrap_char): New function.
6615 (Target::Target_info): Add wrap_char field.
6616 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
6617 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
6618 * testsuite/testfile.cc (Target_test::test_target_info):
6621 * errors.cc (Errors::undefined_symbol): Mention symbol version if
6624 * layout.h (class Layout): Add added_eh_frame_data_ field.
6625 * layout.cc (Layout::Layout): Initialize new field.
6626 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
6627 output section until we find a section we merged successfully.
6628 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
6629 that the size be non-zero.
6631 * merge.cc (Object_merge_map::get_output_offset): Remove inline
6634 2008-04-08 Craig Silverstein <csilvers@google.com>
6636 * configure.ac: Export new conditional variable HAVE_ZLIB.
6637 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
6639 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
6640 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6642 2008-04-07 Ian Lance Taylor <iant@google.com>
6644 * version.cc (version_string): Set to "1.5".
6646 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
6647 Add issued_non_pic_error_ field. Declare check_non_pic.
6648 (Target_x86_64::Scan::check_non_pic): New function.
6649 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
6650 (Target_x86_64::Scan::global): Likewise.
6652 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
6653 addend parameter. Change caller. Handle merge sections.
6654 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
6655 Address to Addend. Don't add in the result of
6656 local_section_offset, pass down the addend and use the returned
6658 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
6659 Update declarations of local_section_offset and symbol_value.
6660 * testsuite/two_file_test_1.cc (t18): New function.
6661 * testsuite/two_file_test_2.cc (f18): New function.
6662 * testsuite/two_file_test_main.cc (main): Call t18.
6663 * testsuite/two_file_test.h (t18, f18): Declare.
6665 * configure.ac: Don't test for objdump, c++filt, or readelf.
6666 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
6668 (TEST_READELF): New variable.
6669 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
6670 (check_PROGRAMS): Add two_file_strip_test.
6671 (two_file_strip_test): New target.
6672 (check_PROGRAMS): Add two_file_same_shared_strip_test.
6673 (two_file_same_shared_strip_test_SOURCES): New variable.
6674 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
6675 (two_file_same_shared_strip_test_LDFLAGS): New variable.
6676 (two_file_same_shared_strip_test_LDADD): New variable.
6677 (two_file_shared_strip.so): New target.
6678 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
6679 (ver_test_5.syms, ver_test_7.syms): Likewise.
6680 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
6681 (strip_test_3.stdout): Use TEST_OBJDUMP.
6682 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6684 2008-04-04 Cary Coutant <ccoutant@google.com>
6686 * symtab.h (Symbol::is_weak_undefined): New function.
6687 (Symbol::is_strong_undefined): New function.
6688 (Symbol::is_absolute): New function.
6689 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
6690 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
6692 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
6693 (weak_undef_test): New target.
6694 * testsuite/Makefile.in: Rebuild.
6695 * testsuite/weak_undef_file1.cc: New file.
6696 * testsuite/weak_undef_file2.cc: New file.
6697 * testsuite/weak_undef_test.cc: New file.
6699 2008-04-03 Craig Silverstein <csilvers@google.com>
6701 * compressed_output.h (class Output_compressed_section): Use
6703 * compressed_output.cc (zlib_compress): Use unsigned buffers,
6705 (zlib_compressed_suffix): Removed.
6706 (Output_compressed_section::set_final_data_size): Use unsigned
6708 * testsuite/Makefile.am (flagstest_compress_debug_sections):
6709 Fix linker invocation.
6710 (flagstest_o_specialfile_and_compress_debug_sections):
6712 * testsuite/Makefile.in: Regenerated.
6714 2008-04-02 David S. Miller <davem@davemloft.net>
6716 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
6717 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
6719 2008-04-02 Craig Silverstein <csilvers@google.com>
6723 2008-04-02 Ian Lance Taylor <iant@google.com>
6725 * fileread.cc (File_read::find_view): Add byteshift and vshifted
6726 parameters. Update for new key type to views_. Change all
6728 (File_read::read): Adjust for byteshift in returned view.
6729 (File_read::add_view): New function, broken out of
6731 (File_read::make_view): New function, broken out of
6733 (File_read::find_or_make_view): Add offset and aligned
6734 parameters. Rewrite accordingly. Change all callers.
6735 (File_read::get_view): Add offset and aligned parameters. Adjust
6736 for byteshift in return value.
6737 (File_read::get_lasting_view): Likewise.
6738 * fileread.h (class File_read): Update declarations.
6739 (class File_read::View): Add byteshift_ field. Add byteshift to
6740 constructor. Add byteshift method.
6741 * archive.h (Archive::clear_uncached_views): New function.
6742 (Archive::get_view): Add aligned parameter. Change all callers.
6743 * object.h (Object::get_view): Add aligned parameter. Change all
6745 (Object::get_lasting_view): Likewise.
6747 * fileread.cc (File_read::release): Don't call clear_views if
6748 there are multiple objects.
6749 * fileread.h (File_read::clear_uncached_views): New function.
6750 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
6753 2008-03-31 Cary Coutant <ccoutant@google.com>
6755 Add thin archive support.
6756 * archive.cc (Archive::armagt): New const.
6757 (Archive::setup): Remove task parameter and calls to unlock.
6758 (Archive::unlock_nested_archives): New function.
6759 (Archive::read_header): Add nested_off parameter. Change
6761 (Archive::interpret_header): Likewise.
6762 (Archive::include_all_members): Change to handle thin
6764 (Archive::include_member): Likewise.
6765 * archive.h (Archive::Archive): Add new parameters and
6767 (Archive::armagt): New const.
6768 (Archive::setup): Remove task parameter.
6769 (Archive::unlock_nested_archives): New function.
6770 (Archive::read_header): Add nested_off parameter.
6771 (Archive::interpret_header): Likewise.
6772 (Archive::Nested_archive_table): New typedef.
6773 (Archive::is_thin_archive_): New field.
6774 (Archive::nested_archives_): New field.
6775 (Archive::options_): New field.
6776 (Archive::dirpath_): New field.
6777 (Archive::task_): New field.
6778 * readsyms.cc (Read_symbols::do_read_symbols): Add check
6779 for thin archives. Pass additional parameters to
6780 Archive::Archive. Unlock the archive file after calling
6783 2008-03-29 Ian Lance Taylor <iant@google.com>
6785 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
6786 version symbol to be local.
6787 * testsuite/ver_test_4.sh: New file.
6788 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
6789 (check_DATA): Add ver_test_4.syms.
6790 (ver_test_4.syms): New target.
6791 * testsuite/Makefile.in: Rebuild.
6794 (Output_section::Input_section_sort_entry::has_priority): New
6796 (Output_section::Input_section_sort_entry::match_file_name): New
6798 (Output_section::Input_section_sort_entry::match_section_name):
6800 (Output_section::Input_section_sort_entry::match_section_name_prefix):
6802 (Output_section::Input_section_sort_entry::match_section_file):
6804 (Output_section::Input_section_sort_compare::operator()): Rewrite
6805 using new Input_section_sort_entry functions. Sort crtbegin and
6806 crtend first. Sort sections with no priority before sections with
6808 * testsuite/initpri1.c (d3): Check j != 4.
6809 (cd5): New constructor/destructor function.
6810 (main): Check j != 2.
6812 * symtab.cc (Symbol_table::add_from_object): If we don't use the
6813 new symbol when resolving, don't call set_is_default.
6814 * testsuite/ver_test_7.cc: New file.
6815 * testsuite/ver_test_7.sh: New file.
6816 * testsuite/Makefile.am (ver_test_7.so): New target.
6817 (ver_test_7.o): New target.
6818 (check_SCRIPTS): Add ver_test_7.sh.
6819 (check_DATA): Add ver_test_7.syms.
6820 (ver_test_7.syms): New target.
6822 2008-03-28 Ian Lance Taylor <iant@google.com>
6824 * layout.cc (Layout::layout): If we see an input section with a
6825 name that needs sorting, set the must_sort flag for the output
6827 (Layout::make_output_section): If the name of the output section
6828 indicates that it might require sorting, set the may_sort flag.
6829 * output.h (Output_section::may_sort_attached_input_sections): New
6831 (Output_section::set_may_sort_attached_input_sections): New
6833 (Output_section::must_sort_attached_input_sections): New
6835 (Output_section::set_must_sort_attached_input_sections): New
6837 (class Output_section): Declare Input_section_sort_entry. Define
6838 Input_section_sort_compare. Declare
6839 sort_attached_input_sections. Add new fields:
6840 may_sort_attached_input_sections_,
6841 must_sort_attached_input_sections_,
6842 attached_input_sections_are_sorted_.
6843 * output.cc (Output_section::Output_section): Initialize new
6845 (Output_section::add_input_section): Add an entry to
6846 input_sections_ if may_sort or must_sort are true.
6847 (Output_section::set_final_data_size): Call
6848 sort_attached_input_sections if necessary.
6849 (Output_section::Input_section_sort_entry): Define new class.
6850 (Output_section::Input_section_sort_compare::operator()): New
6852 (Output_section::sort_attached_input_sections): New function.
6853 * configure.ac: Check whether the compiler supports constructor
6854 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
6855 * testsuite/initpri1.c: New file.
6856 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
6857 CONSTRUCTOR_PRIORITY.
6858 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
6859 (initpri1_LDFLAGS): New variable.
6860 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
6862 2008-03-27 Ian Lance Taylor <iant@google.com>
6864 * common.cc (Sort_commons::operator): Correct sorting algorithm.
6865 * testsuite/common_test_1.c: New file.
6866 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
6867 (common_test_1_SOURCES): New variable.
6868 (common_test_1_DEPENDENCIES): New variable.
6869 (common_test_1_LDFLAGS): New variable.
6871 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
6872 and commons_ correctly when NAME/VERSION does not override
6874 * testsuite/ver_test_6.c: New file.
6875 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
6876 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
6877 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
6879 2008-03-26 Ian Lance Taylor <iant@google.com>
6881 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
6882 of an undefined symbol from a version script.
6883 * testsuite/Makefile.am (ver_test_5.so): New target.
6884 (ver_test_5.o): New target.
6885 (check_SCRIPTS): Add ver_test_5.sh.
6886 (check_DATA): Add ver_test_5.syms.
6887 (ver_test_5.syms): New target.
6888 * testsuite/ver_test_5.cc: New file.
6889 * testsuite/ver_test_5.script: New file.
6890 * testsuite/ver_test_5.sh: New file.
6891 * Makefile.in, testsuite/Makefile.in: Rebuild.
6894 Fix problems building gold with gcc 4.3.0.
6895 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
6896 (gold_error_at_location, gold_warning_at_location): Use it.
6897 * configure.ac: Check whether we can compile and use a template
6898 function with a printf attribute.
6899 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
6900 when jumping over bytes.
6901 * object.cc: Instantiate Object::read_section_data.
6902 * debug.h: Include <cstring>
6903 * dwarf_reader.cc: Include <algorithm>
6904 * main.cc: Include <cstring>.
6905 * options.cc: Include <cstring>.
6906 * output.cc: Include <cstring>.
6907 * script.cc: Include <cstring>.
6908 * script.h: Include <string>.
6909 * symtab.cc: Include <cstring> and <algorithm>.
6910 * target-select.cc: Include <cstring>.
6911 * version.cc: Include <string>.
6912 * testsuite/testmain.cc: Include <cstdlib>.
6913 * configure, config.in: Rebuild.
6915 2008-03-25 Ian Lance Taylor <iant@google.com>
6917 * options.cc: Include "../bfd/bfdver.h".
6918 (options::help): Print bug reporting address.
6920 * version.cc (print_version): Adjust output for current value of
6925 * options.cc (options::help): Print list of supported targets.
6926 * target-select.h: Include <vector>.
6927 (class Target_selector): Make machine_, size_, and is_big_endian_
6928 fields const. Add bfd_name_ and instantiated_target_ fields.
6929 (Target_selector::Target_selector): Add bfd_name parameter.
6930 (Target_selector::recognize): Make non-virtual, call
6932 (Target_selector::recognize_by_name): Make non-virtual, call
6933 do_recognize_by_name.
6934 (Target_selector::supported_names): New function.
6935 (Target_selector::bfd_name): New function.
6936 (Target_selector::do_instantiate_target): New pure virtual
6938 (Target_selector::do_recognize): New virtual function.
6939 (Target_selector::do_recognize_by_name): New virtual function.
6940 (Target_selector::instantiate_target): New private function.
6941 (supported_target_names): Declare.
6942 * target-select.cc (Target_selector::Target_selector): Update for
6943 new parameter and fields.
6944 (select_target_by_name): Check that the name matches before
6945 calling recognize_by_name.
6946 (supported_target_names): New function.
6947 * i386.cc (class Target_selector_i386): Update Target_selector
6948 constructor call. Remove recognize and recognize_by_name. Add
6949 do_instantiate_target.
6950 * x86_64.cc (class Target_selector_x86_64): Likewise.
6951 * testsuite/testfile.cc (class Target_selector_test): Update for
6952 changes to Target_selector.
6954 * README: Rewrite, with some notes on unsupported features.
6956 2008-03-24 Cary Coutant <ccoutant@google.com>
6958 * i386.cc (Target_i386::Got_type): New enum declaration.
6959 (Target_i386::Scan::local): Updated callers of Output_data_got
6961 (Target_i386::Scan::global): Likewise.
6962 (Target_i386::Relocate::relocate): Likewise.
6963 (Target_i386::Relocate::relocate_tls): Likewise.
6964 * object.h (Got_offset_list): New class.
6965 (Sized_relobj::local_has_got_offset): Added got_type parameter.
6966 (Sized_relobj::local_got_offset): Likewise.
6967 (Sized_relobj::set_local_got_offset): Likewise.
6968 (Sized_relobj::local_has_tls_got_offset): Removed.
6969 (Sized_relobj::local_tls_got_offset): Removed.
6970 (Sized_relobj::set_local_tls_got_offset): Removed.
6971 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
6972 * output.cc (Output_data_got::add_global): Added got_type parameter.
6973 (Output_data_got::add_global_with_rel): Likewise.
6974 (Output_data_got::add_global_with_rela): Likewise.
6975 (Output_data_got::add_global_pair_with_rel): New function.
6976 (Output_data_got::add_global_pair_with_rela): New function.
6977 (Output_data_got::add_local): Added got_type parameter.
6978 (Output_data_got::add_local_with_rel): Likewise.
6979 (Output_data_got::add_local_with_rela): Likewise.
6980 (Output_data_got::add_local_pair_with_rel): New function.
6981 (Output_data_got::add_local_pair_with_rela): New function.
6982 (Output_data_got::add_global_tls): Removed.
6983 (Output_data_got::add_global_tls_with_rel): Removed.
6984 (Output_data_got::add_global_tls_with_rela): Removed.
6985 (Output_data_got::add_local_tls): Removed.
6986 (Output_data_got::add_local_tls_with_rel): Removed.
6987 (Output_data_got::add_local_tls_with_rela): Removed.
6988 * output.h (Output_data_got::add_global): Added got_type parameter.
6989 (Output_data_got::add_global_with_rel): Likewise.
6990 (Output_data_got::add_global_with_rela): Likewise.
6991 (Output_data_got::add_global_pair_with_rel): New function.
6992 (Output_data_got::add_global_pair_with_rela): New function.
6993 (Output_data_got::add_local): Added got_type parameter.
6994 (Output_data_got::add_local_with_rel): Likewise.
6995 (Output_data_got::add_local_with_rela): Likewise.
6996 (Output_data_got::add_local_pair_with_rel): New function.
6997 (Output_data_got::add_local_pair_with_rela): New function.
6998 (Output_data_got::add_global_tls): Removed.
6999 (Output_data_got::add_global_tls_with_rel): Removed.
7000 (Output_data_got::add_global_tls_with_rela): Removed.
7001 (Output_data_got::add_local_tls): Removed.
7002 (Output_data_got::add_local_tls_with_rel): Removed.
7003 (Output_data_got::add_local_tls_with_rela): Removed.
7004 * resolve.cc (Symbol::override_base_with_special): Removed
7005 reference to has_got_offset_ field.
7006 * symtab.cc (Symbol::init_fields): Replaced initialization
7007 of got_offset_ with got_offsets_. Removed initialization
7009 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
7010 (Symbol::got_offset): Likewise.
7011 (Symbol::set_got_offset): Likewise.
7012 (Symbol::has_tls_got_offset): Removed.
7013 (Symbol::tls_got_offset): Removed.
7014 (Symbol::set_tls_got_offset): Removed.
7015 (Symbol::got_offset_): Removed.
7016 (Symbol::tls_mod_got_offset_): Removed.
7017 (Symbol::tls_pair_got_offset_): Removed.
7018 (Symbol::got_offsets_): New field.
7019 (Symbol::has_got_offset): Removed.
7020 (Symbol::has_tls_mod_got_offset): Removed.
7021 (Symbol::has_tls_pair_got_offset): Removed.
7022 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
7023 (Target_x86_64::Scan::local): Updated callers of Output_data_got
7025 (Target_x86_64::Scan::global): Likewise.
7026 (Target_x86_64::Relocate::relocate): Likewise.
7027 (Target_x86_64::Relocate::relocate_tls): Likewise.
7029 2008-03-25 Ben Elliston <bje@au.ibm.com>
7031 * yyscript.y: Fix spelling error in comment.
7033 2008-03-24 Ian Lance Taylor <iant@google.com>
7035 * options.h (class General_options): Define build_id option.
7036 * layout.h (class Layout): Declare write_build_id, create_note,
7037 create_build_id. Add build_id_note_ member.
7038 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
7039 "libiberty.h", "md5.h", "sha1.h".
7040 (Layout::Layout): Initialize eh_frame_data_,
7041 eh_frame_hdr_section_, and build_id_note_.
7042 (Layout::finalize): Call create_build_id.
7043 (Layout::create_note): New function, broken out of
7044 Layout::create_gold_note.
7045 (Layout::create_gold_note): Call create_note.
7046 (Layout::create_build_id): New function.
7047 (Layout::write_build_id): New function.
7048 (Close_task_runner::run): Call write_build_id.
7050 * x86_64.cc: Correct license to GPLv3.
7052 2008-03-23 Ian Lance Taylor <iant@google.com>
7054 * options.cc: Include "demangle.h".
7055 (parse_optional_string): New function.
7056 (parse_long_option): Handle takes_optional_argument.
7057 (parse_short_option): Update dash_z initializer. Handle
7058 takes_optional_argument.
7059 (General_options::General_options): Initialize do_demangle_.
7060 (General_options::finalize): Set do_demangle_. Handle demangling
7062 * options.h (parse_optional_string): Declare.
7063 (struct One_option): Add optional_arg field. Update constructor.
7064 Update call constructor calls. Add takes_optional_argument
7066 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
7067 (DEFINE_optional_string): Define.
7068 (General_options::demangle): Change from DEFINE_bool to
7069 DEFINE_optional_string.
7070 (General_options::no_demangle): New function.
7071 (General_options::do_demangle): New function.
7072 (General_options::set_do_demangle): New function.
7073 (General_options::execstack_status_): Move definition to end of
7075 (General_options::static_): Likewise.
7076 (General_options::do_demangle_): New field.
7077 * object.cc (big_endian>::get_symbol_location_info): Call
7078 Options::do_demangle, not Options::demangle.
7079 * symtab.cc (demangle): Likewise.
7081 2008-03-22 Ian Lance Taylor <iant@google.com>
7083 * gold.h: Include <cstddef> and <sys/types.h>
7084 * options.h: Include <cstring>.
7086 2008-03-21 Ian Lance Taylor <iant@google.com>
7088 * Added source code to GNU binutils.